=E2=80=8BI realised one small glitch wit= h conflicts watching in the code in combination with flags. It is not regre= ssion, I think, because b=E2=80=8Before now, it was not possible to do some= thing like -l internal=3D0,logdev=3Dsomething, but now it should be possibl= e.

The code checks only whether an option was seen, no= t its value, so it does't know that we are in fact disabling something.= I see two ways how to do solve it. One is a custom conflict solving for th= ese cases, putting some if (flag1 && option2) somewhere once every = argument and option is parsed. But this goes against what the patchset did = and moves it again out of the option table...

The oth= er way is to make a special case for flags in the conflicts-handling code. = Basically, I would extend the structure with something like:

{ .index =3D L_INTERNAL,
=C2=A0 .conflicts =3D { L_FILE,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 L_DEV,
=C2=A0 =C2=A0 =C2=A0 =C2=A0 LAST_CONFLICT },
=C2=A0 .conflicts_ignore_on_false=3Dtrue, // new item, shorter nam= e to be found
=C2=A0 .minval =3D 0,
=C2=A0 .maxval =3D 1,
=C2=A0 .defaultval =3D 1,
}= ,

= And then, if a conflict is found, it checks the value and if the value is f= alse/zero, then ignore the conflict. A more generic code would allow for an= y given value, but I think that this would be useful only for flags, so &qu= ot;on_false" and possibly "on_true" would be enough.

=E2=80=8BAny comments?
=
Thanks,
Jan=E2=80=8B

--
Jan Tulak
<= /div>jtulak@redhat.c= om=C2=A0/ jan@tulak.m= e

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From s.priebe@profihost.ag Fri Jun 3 12:43:30 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 80A1D7CA0 for ; Fri, 3 Jun 2016 12:43:30 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 52F8E3040D4 for ; Fri, 3 Jun 2016 10:43:27 -0700 (PDT) X-ASG-Debug-ID: 1464975803-04cbb03568b3e500001-NocioJ Received: from mail-ph.de-nserver.de (mail-ph.de-nserver.de [85.158.179.214]) by cuda.sgi.com with ESMTP id WSmg7yU0gJ5Eu30O (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 03 Jun 2016 10:43:24 -0700 (PDT) X-Barracuda-Envelope-From: s.priebe@profihost.ag X-Barracuda-Effective-Source-IP: mail-ph.de-nserver.de[85.158.179.214] X-Barracuda-Apparent-Source-IP: 85.158.179.214 Received: (qmail 728 invoked from network); 3 Jun 2016 19:43:23 +0200 X-Fcrdns: No Received: from phoffice.de-nserver.de (HELO [10.242.2.3]) (185.39.223.5) (smtp-auth username hostmaster@profihost.com, mechanism plain) by mail-ph.de-nserver.de (qpsmtpd/0.92) with (ECDHE-RSA-AES256-SHA encrypted) ESMTPSA; Fri, 03 Jun 2016 19:43:23 +0200 Subject: Re: _xfs_buf_ioapply: no ops on block 0x188e78/0x8 on vanilla 4.4.11 To: Dave Chinner , =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= X-ASG-Orig-Subj: Re: _xfs_buf_ioapply: no ops on block 0x188e78/0x8 on vanilla 4.4.11 References: <57503353.2050402@profihost.ag> <57503D33.6010000@applied-asynchrony.com> <575040D8.8070903@applied-asynchrony.com> <20160602222545.GO12670@dastard> Cc: "xfs@oss.sgi.com" From: Stefan Priebe - Profihost AG Message-ID: <5751C1B9.90709@profihost.ag> Date: Fri, 3 Jun 2016 19:43:21 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <20160602222545.GO12670@dastard> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-User-Auth: Auth by hostmaster@profihost.com through 185.39.223.5 X-Barracuda-Connect: mail-ph.de-nserver.de[85.158.179.214] X-Barracuda-Start-Time: 1464975804 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1150 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30145 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Am 03.06.2016 um 00:25 schrieb Dave Chinner: > On Thu, Jun 02, 2016 at 04:21:12PM +0200, Holger Hoffst�tte wrote: >> On 06/02/16 16:05, Holger Hoffst�tte wrote: >>> On 06/02/16 15:23, Stefan Priebe - Profihost AG wrote: >>>> I found a bug report from redhat here >>>> https://bugzilla.redhat.com/show_bug.cgi?id=1234586 pointing to this commit: >>>> xfs: handle dquot buffer readahead in log recovery correctly >>>> >>>> which isn't part of 4.4. Is it missing from linux-stable? >>> >>> Yes, mainline 7d6a13f02356 is missing from 4.4-stable because it applies, >>> but doesn't compile. :) >>> >>> I'll look into a fix. >> >> Well, that was easy. It also needs 233135b763 ("xfs: print name of verifier >> if it fails") which added a .name to the various xfs_buf_ops types. >> Can someone confirm that these can both go into 4.4-stable? > > You could just remove the line: > > + .name = "xfs_dquot_ra", > > from 7d6a13f02356 and that will fix the backport problem and not > require any other commits to be backported. I'm fine with either > solution. > Great. Should be push that one to greg? Greets, Stefan From s.priebe@profihost.ag Fri Jun 3 12:56:14 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7843A7CA0 for ; Fri, 3 Jun 2016 12:56:14 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2DE7E3040D6 for ; Fri, 3 Jun 2016 10:56:14 -0700 (PDT) X-ASG-Debug-ID: 1464976570-04bdf05ad5b327f0001-NocioJ Received: from mail-ph.de-nserver.de (mail-ph.de-nserver.de [85.158.179.214]) by cuda.sgi.com with ESMTP id 51SA7LEFYbHhfrBd (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 03 Jun 2016 10:56:11 -0700 (PDT) X-Barracuda-Envelope-From: s.priebe@profihost.ag X-Barracuda-Effective-Source-IP: mail-ph.de-nserver.de[85.158.179.214] X-Barracuda-Apparent-Source-IP: 85.158.179.214 Received: (qmail 1320 invoked from network); 3 Jun 2016 19:56:10 +0200 X-Fcrdns: No Received: from phoffice.de-nserver.de (HELO [10.242.2.3]) (185.39.223.5) (smtp-auth username hostmaster@profihost.com, mechanism plain) by mail-ph.de-nserver.de (qpsmtpd/0.92) with (ECDHE-RSA-AES256-SHA encrypted) ESMTPSA; Fri, 03 Jun 2016 19:56:10 +0200 Subject: Re: xfs trace in 4.4.2 / also in 4.3.3 WARNING fs/xfs/xfs_aops.c:1232 xfs_vm_releasepage To: Dave Chinner X-ASG-Orig-Subj: Re: xfs trace in 4.4.2 / also in 4.3.3 WARNING fs/xfs/xfs_aops.c:1232 xfs_vm_releasepage References: <20160324122417.GB4068@bfoster.bfoster> <57332508.307@profihost.ag> <20160511133417.GA42410@bfoster.bfoster> <57333BA4.4040402@profihost.ag> <20160511155951.GF42410@bfoster.bfoster> <5738576B.4010208@profihost.ag> <20160515115017.GA6433@laptop.bfoster> <57386E84.3090606@profihost.ag> <20160516010602.GA24980@bfoster.bfoster> <57420A47.2000700@profihost.ag> <20160522213850.GE26977@dastard> Cc: Brian Foster , "xfs-masters@oss.sgi.com" , "xfs@oss.sgi.com" From: Stefan Priebe - Profihost AG Message-ID: <5751C4B8.2080301@profihost.ag> Date: Fri, 3 Jun 2016 19:56:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <20160522213850.GE26977@dastard> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-User-Auth: Auth by hostmaster@profihost.com through 185.39.223.5 X-Barracuda-Connect: mail-ph.de-nserver.de[85.158.179.214] X-Barracuda-Start-Time: 1464976571 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3398 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30145 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Hi, should i remove the complete if conditions incl. the return 0 or should id convert it to if without WARN_ONCE? like below? if (WARN_ON_ONCE(delalloc)) return 0; if (WARN_ON_ONCE(unwritten)) return 0; => if (delalloc) return 0; if (unwritten) return 0; Am 22.05.2016 um 23:38 schrieb Dave Chinner: > On Sun, May 22, 2016 at 09:36:39PM +0200, Stefan Priebe - Profihost AG wrote: >> Am 16.05.2016 um 03:06 schrieb Brian Foster: >>>> sd_mod ehci_pci ehci_hcd usbcore usb_common igb ahci i2c_algo_bit libahci >>>> i2c_core ptp mpt3sas pps_core raid_class scsi_transport_sas >>>> [Sun May 15 07:00:44 2016] CPU: 2 PID: 108 Comm: kswapd0 Tainted: G O >>>> 4.4.10+25-ph #1 >>> >>> How close is this to an upstream kernel? Upstream XFS? Have you tried to >>> reproduce this on an upstream kernel? >> >> It's a vanilla 4.4.10 + a new adaptec driver and some sched and wq >> patches from 4.5 and 4.6 but i can try to replace the kernel on one >> machine with a 100% vanilla one if this helps. > > Please do. > >>>> [295086.353473] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>> 0x52000 size 0x13d1c8 >>>> [295086.353476] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>> 0x53000 size 0x13d1c8 >>>> [295086.353478] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>> 0x54000 size 0x13d1c8 >>> ... >>>> [295086.567508] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>> 0xab000 size 0x13d1c8 >>>> [295086.567510] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>> 0xac000 size 0x13d1c8 >>>> [295086.567515] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>> 0xad000 size 0x13d1c8 >>>> >>>> The file to the inode number is: >>>> /var/lib/apt/lists/security.debian.org_dists_wheezy_updates_main_i18n_Translation-en >>>> >>> >>> xfs_bmap -v might be interesting here as well. >> >> # xfs_bmap -v >> /var/lib/apt/lists/security.debian.org_dists_wheezy_updates_main_i18n_Translation-en >> /var/lib/apt/lists/security.debian.org_dists_wheezy_updates_main_i18n_Translation-en: >> EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL >> 0: [0..2567]: 41268928..41271495 3 (374464..377031) 2568 > > So the last file offset with a block is 0x140e00. This means the > file is fully allocated. However, the pages inside the file range > are still marked delayed allocation. That implies that we've failed > to write the pages over a delayed allocation region after we've > allocated the space. > > That, in turn, tends to indicate a problem in page writeback - the > first page to be written has triggered delayed allocation of the > entire range, but then the subsequent pages have not been written > (for some as yet unknown reason). When a page is written, we map it > to the current block via xfs_map_at_offset(), and that clears both > the buffer delay and unwritten flags. > > This clearly isn't happening which means either the VFS doesn't > think the inode is dirty anymore, writeback is never asking for > these pages to be written, or XFs is screwing something up in > ->writepage. The XFS writepage code changed significantly in 4.6, so > it might be worth seeing if a 4.6 kernel reproduces this same > problem.... > > Cheers, > > Dave. > From holger@applied-asynchrony.com Fri Jun 3 14:30:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1642B7CA0 for ; Fri, 3 Jun 2016 14:30:05 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id CF31B8F80B9 for ; Fri, 3 Jun 2016 12:30:01 -0700 (PDT) X-ASG-Debug-ID: 1464982197-04cb6c2db9b19ab0001-NocioJ Received: from mail02.iobjects.de (mail02.iobjects.de [188.40.134.68]) by cuda.sgi.com with ESMTP id yWKBWgA6LeqkAEhm (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 03 Jun 2016 12:29:58 -0700 (PDT) X-Barracuda-Envelope-From: holger@applied-asynchrony.com X-Barracuda-Effective-Source-IP: mail02.iobjects.de[188.40.134.68] X-Barracuda-Apparent-Source-IP: 188.40.134.68 Received: from tux.wizards.de (p4FF5801B.dip0.t-ipconnect.de [79.245.128.27]) by mail02.iobjects.de (Postfix) with ESMTPSA id 44E2A416014D for ; Fri, 3 Jun 2016 21:29:57 +0200 (CEST) Received: from [192.168.100.223] (ragnarok [192.168.100.223]) by tux.wizards.de (Postfix) with ESMTP id 65EEA11C01CF for ; Fri, 3 Jun 2016 21:29:56 +0200 (CEST) Subject: Re: _xfs_buf_ioapply: no ops on block 0x188e78/0x8 on vanilla 4.4.11 References: <57503353.2050402@profihost.ag> <57503D33.6010000@applied-asynchrony.com> <575040D8.8070903@applied-asynchrony.com> <20160602222545.GO12670@dastard> <5751C1B9.90709@profihost.ag> X-ASG-Orig-Subj: Re: _xfs_buf_ioapply: no ops on block 0x188e78/0x8 on vanilla 4.4.11 To: "xfs@oss.sgi.com" From: =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= Organization: Applied Asynchrony, Inc. Message-ID: <5751DAB4.40406@applied-asynchrony.com> Date: Fri, 3 Jun 2016 21:29:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <5751C1B9.90709@profihost.ag> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mail02.iobjects.de[188.40.134.68] X-Barracuda-Start-Time: 1464982198 X-Barracuda-Encrypted: DHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1342 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30147 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 06/03/16 19:43, Stefan Priebe - Profihost AG wrote: > Am 03.06.2016 um 00:25 schrieb Dave Chinner: >> On Thu, Jun 02, 2016 at 04:21:12PM +0200, Holger Hoffstätte wrote: >>> On 06/02/16 16:05, Holger Hoffstätte wrote: >>>> On 06/02/16 15:23, Stefan Priebe - Profihost AG wrote: >>>>> I found a bug report from redhat here >>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1234586 pointing to this commit: >>>>> xfs: handle dquot buffer readahead in log recovery correctly >>>>> >>>>> which isn't part of 4.4. Is it missing from linux-stable? >>>> >>>> Yes, mainline 7d6a13f02356 is missing from 4.4-stable because it applies, >>>> but doesn't compile. :) >>>> >>>> I'll look into a fix. >>> >>> Well, that was easy. It also needs 233135b763 ("xfs: print name of verifier >>> if it fails") which added a .name to the various xfs_buf_ops types. >>> Can someone confirm that these can both go into 4.4-stable? >> >> You could just remove the line: >> >> + .name = "xfs_dquot_ra", >> >> from 7d6a13f02356 and that will fix the backport problem and not >> require any other commits to be backported. I'm fine with either >> solution. >> > > Great. Should be push that one to greg? You're too slow ;-) http://www.spinics.net/lists/stable/msg134549.html ..or steal them from my patch queue. -h From holger@applied-asynchrony.com Fri Jun 3 14:36:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 565077CA0 for ; Fri, 3 Jun 2016 14:36:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1717A304090 for ; Fri, 3 Jun 2016 12:36:01 -0700 (PDT) X-ASG-Debug-ID: 1464982558-04bdf05ad5b35440001-NocioJ Received: from mail02.iobjects.de (mail02.iobjects.de [188.40.134.68]) by cuda.sgi.com with ESMTP id FACOcj0yvCPKOnLB (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 03 Jun 2016 12:35:59 -0700 (PDT) X-Barracuda-Envelope-From: holger@applied-asynchrony.com X-Barracuda-Effective-Source-IP: mail02.iobjects.de[188.40.134.68] X-Barracuda-Apparent-Source-IP: 188.40.134.68 Received: from tux.wizards.de (p4FF5801B.dip0.t-ipconnect.de [79.245.128.27]) by mail02.iobjects.de (Postfix) with ESMTPSA id 469E6416014D for ; Fri, 3 Jun 2016 21:35:57 +0200 (CEST) Received: from [192.168.100.223] (ragnarok [192.168.100.223]) by tux.wizards.de (Postfix) with ESMTP id D188211C01CF for ; Fri, 3 Jun 2016 21:35:56 +0200 (CEST) Subject: Re: xfs trace in 4.4.2 / also in 4.3.3 WARNING fs/xfs/xfs_aops.c:1232 xfs_vm_releasepage References: <20160324122417.GB4068@bfoster.bfoster> <57332508.307@profihost.ag> <20160511133417.GA42410@bfoster.bfoster> <57333BA4.4040402@profihost.ag> <20160511155951.GF42410@bfoster.bfoster> <5738576B.4010208@profihost.ag> <20160515115017.GA6433@laptop.bfoster> <57386E84.3090606@profihost.ag> <20160516010602.GA24980@bfoster.bfoster> <57420A47.2000700@profihost.ag> <20160522213850.GE26977@dastard> <5751C4B8.2080301@profihost.ag> X-ASG-Orig-Subj: Re: xfs trace in 4.4.2 / also in 4.3.3 WARNING fs/xfs/xfs_aops.c:1232 xfs_vm_releasepage To: "xfs@oss.sgi.com" From: =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= Organization: Applied Asynchrony, Inc. Message-ID: <5751DC1C.5010909@applied-asynchrony.com> Date: Fri, 3 Jun 2016 21:35:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <5751C4B8.2080301@profihost.ag> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail02.iobjects.de[188.40.134.68] X-Barracuda-Start-Time: 1464982558 X-Barracuda-Encrypted: DHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 574 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30148 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 06/03/16 19:56, Stefan Priebe - Profihost AG wrote: > Hi, > > should i remove the complete if conditions incl. the return 0 or should > id convert it to if without WARN_ONCE? like below? > > if (WARN_ON_ONCE(delalloc)) > return 0; > if (WARN_ON_ONCE(unwritten)) > return 0; > > => > > if (delalloc) > return 0; > if (unwritten) > return 0; Good thing you ask, I forgot about the returns.. Until the bigger picture has been figured out with -mm I'd probably keep the returns. -h From david@fromorbit.com Fri Jun 3 19:05:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=unavailable version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9B8F67CA2 for ; Fri, 3 Jun 2016 19:05:48 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 33EF5AC019 for ; Fri, 3 Jun 2016 17:05:44 -0700 (PDT) X-ASG-Debug-ID: 1464998738-04bdf05ad4b3bd50001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id lwDB1Q6Hno5ro4nD; Fri, 03 Jun 2016 17:05:39 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CpCwB2GlJXKGSyLXlegzqBU4J2g3mfMwEBAQECBowrg1qCI4IPgXqGDAQCAoEzOxIBAQEBAQEBBgEBAQEBAUBAhEYBAQQ6HCMQCAMYCSUPBSUDBxoTiC7CYQEBCAIlHoVBhRWKGgEEmEWOGo8mRY8NJQ6CKBwWgUcqMooSAQEB Received: from ppp121-45-178-100.lns20.syd7.internode.on.net (HELO dastard) ([121.45.178.100]) by ipmail05.adl6.internode.on.net with ESMTP; 04 Jun 2016 09:34:49 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1b8z57-00067I-3H; Sat, 04 Jun 2016 10:04:49 +1000 Date: Sat, 4 Jun 2016 10:04:49 +1000 From: Dave Chinner To: Stefan Priebe - Profihost AG Cc: Brian Foster , "xfs-masters@oss.sgi.com" , "xfs@oss.sgi.com" Subject: Re: xfs trace in 4.4.2 / also in 4.3.3 WARNING fs/xfs/xfs_aops.c:1232 xfs_vm_releasepage Message-ID: <20160604000449.GU26977@dastard> X-ASG-Orig-Subj: Re: xfs trace in 4.4.2 / also in 4.3.3 WARNING fs/xfs/xfs_aops.c:1232 xfs_vm_releasepage References: <20160511133417.GA42410@bfoster.bfoster> <57333BA4.4040402@profihost.ag> <20160511155951.GF42410@bfoster.bfoster> <5738576B.4010208@profihost.ag> <20160515115017.GA6433@laptop.bfoster> <57386E84.3090606@profihost.ag> <20160516010602.GA24980@bfoster.bfoster> <57420A47.2000700@profihost.ag> <20160522213850.GE26977@dastard> <5751C4B8.2080301@profihost.ag> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5751C4B8.2080301@profihost.ag> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1464998738 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 789 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30153 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 03, 2016 at 07:56:08PM +0200, Stefan Priebe - Profihost AG wrote: > Hi, > > should i remove the complete if conditions incl. the return 0 or should > id convert it to if without WARN_ONCE? like below? > > if (WARN_ON_ONCE(delalloc)) > return 0; > if (WARN_ON_ONCE(unwritten)) > return 0; > > => > > if (delalloc) > return 0; > if (unwritten) > return 0; Yes, you need to keep the checks and returns. That's what I meant when I said that "XFS handles the dirty page case correctly in this case". If the page is dirty, we should not be attempting to release the buffers, and that is what the code does. It's just noisy about it... Cheers, Dave. -- Dave Chinner david@fromorbit.com From gwendal@google.com Fri Jun 3 19:31:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0A4AC7CA0 for ; Fri, 3 Jun 2016 19:31:33 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 79707AC022 for ; Fri, 3 Jun 2016 17:31:32 -0700 (PDT) X-ASG-Debug-ID: 1465000287-04bdf05ad7b3c4c0001-NocioJ Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) by cuda.sgi.com with ESMTP id AOAnBBuWwFPvgUfV (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 03 Jun 2016 17:31:28 -0700 (PDT) X-Barracuda-Envelope-From: gwendal@google.com X-Barracuda-Effective-Source-IP: mail-pa0-f46.google.com[209.85.220.46] X-Barracuda-Apparent-Source-IP: 209.85.220.46 Received: by mail-pa0-f46.google.com with SMTP id ec8so12730850pac.0 for ; Fri, 03 Jun 2016 17:31:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=fjqSpHuuYs0o1fiLBm2tUa0AtvsLUMGvVaJArdnZ3u0=; b=FgQC1WkNuqme98Z0DxOa/4AARoAQVCSIpzQvZyfc7fxZkHolXrm4Tj7AFqQnmaTw73 ieuNYl239Joe9bfhPZUb2rhnivvkDOM0LxwH3itQq7BbhaOu9qcuhwv6FLf66+takKuC aqXZaT1rimLNPpv0L6NNCZGN0g/4ecJFYUQdbQP8QQXVWQLKDIIcLJV/Li5PoKjhe0zf dGh59GNN+/K7MtQEDnCO6/MpjNL0faZ8Ij4sLCeIaGSli8woBXtbhkR7fRJZ41xHE7uY qXqlbaMV5AD7Xu9Q6hLMfKlyfbvwXlLIQ6F7qOOE3/uT7uD6Coe8fhqhZOXQSh0hiVyQ ZJxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=fjqSpHuuYs0o1fiLBm2tUa0AtvsLUMGvVaJArdnZ3u0=; b=PX0hK9QCB3O5L8wIsZ4RbstOha+IfUNnrqFkCOTgbyDJ3m+sWeYU7CaZB0TufESxAv ylOdHDc0mdEPMBHWBuB5ekjKDqPGpzkmK2VlfOCwiF0eChysjaTuw5fO2A39pvMbioH/ YbphM2dXNvM7icnqCIiTBjdfWKWS2OpxD57dojytXOIrLkyH04RpouJDmQH13d1xwqOF p1KX0FUUt0BfTD+EsL1hSLvX69AZzwoT4cNW8H/EbSQw73o4HjEjiCFk8KC64Kg0YTZz BsQcpm+JdU1uZByKYZGjn79vWytu8Nqq7+jWvx2Zqq+dJJR6w85rY3etlvU0x2kI3Km7 KQUg== X-Gm-Message-State: ALyK8tLungq3oRiyO+h/MpCfns2DeN8W1FTu0v0zfZWCdxFF774JIvypEzyX7quhmixOK6fp X-Received: by 10.66.73.138 with SMTP id l10mr1155416pav.92.1465000287130; Fri, 03 Jun 2016 17:31:27 -0700 (PDT) Received: from gwendal.mtv.corp.google.com ([172.22.64.242]) by smtp.gmail.com with ESMTPSA id fn3sm8502842pab.20.2016.06.03.17.31.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 03 Jun 2016 17:31:25 -0700 (PDT) Sender: Gwendal Grignou From: Gwendal Grignou To: hch@infradead.org Cc: tytso@mit.edu, fstests@vger.kernel.org, xfs@oss.sgi.com, vapier@gentoo.org Subject: [PATCH] Allow compiling xfsprogs in a cross compile environment. Date: Fri, 3 Jun 2016 17:31:16 -0700 X-ASG-Orig-Subj: [PATCH] Allow compiling xfsprogs in a cross compile environment. Message-Id: <1465000276-16554-1-git-send-email-gwendal@chromium.org> X-Mailer: git-send-email 2.1.2 In-Reply-To: References: X-Barracuda-Connect: mail-pa0-f46.google.com[209.85.220.46] X-Barracuda-Start-Time: 1465000287 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5216 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30154 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Without this patch, we are using the same compiler and options for the host compiler (BUILD_CC) and the target compiler (CC), and we would get error messages at compilation: x86_64-pc-linux-gnu-gcc -O2 -O2 -pipe -march=armv7-a -mtune=cortex-a15 ... x86_64-pc-linux-gnu-gcc.real: error: unrecognized command line option '-mfpu=neon' '-mfloat-abi=hard' '-clang-syntax' '-mfpu=neon' '-mfloat-abi=hard' '-clang-syntax' Add BUILD_CC and BUILD_CFLAGS as precious variables to allow setting it up from the ebuild. Signed-off-by: Gwendal Grignou --- This patch issue has been pushed into gentoo as well: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=8806f22bf65d99348770bbb6207d199c74fd96c5 configure | 26 +++++++++++++++++++++----- configure.ac | 20 +++++++++++++++----- include/builddefs.in | 6 ++++-- libxfs/Makefile | 4 ++-- 4 files changed, 42 insertions(+), 14 deletions(-) diff --git a/configure b/configure index 325081f..863a447 100755 --- a/configure +++ b/configure @@ -700,6 +700,7 @@ libreadline enable_blkid enable_gettext enable_shared +BUILD_CFLAGS BUILD_CC CPP LT_SYS_LIBRARY_PATH @@ -806,7 +807,9 @@ LDFLAGS LIBS CPPFLAGS LT_SYS_LIBRARY_PATH -CPP' +CPP +BUILD_CC +BUILD_CFLAGS' # Initialize some variables set by options. @@ -1456,6 +1459,9 @@ Some influential environment variables: LT_SYS_LIBRARY_PATH User-defined run-time library search path. CPP C preprocessor + BUILD_CC C compiler for build tools + BUILD_CFLAGS + C compiler flags for build tools Use these variables to override the choices made by `configure' or to help it to find libraries and programs with nonstandard names/locations. @@ -11957,11 +11963,12 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu -if test $cross_compiling = no; then - BUILD_CC="$CC" -else - for ac_prog in gcc cc +if test "${BUILD_CC+set}" != "set"; then + if test $cross_compiling = no; then + BUILD_CC="$CC" + else + for ac_prog in gcc cc do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 @@ -12003,6 +12010,15 @@ fi test -n "$BUILD_CC" && break done + fi +fi + +if test "${BUILD_CFLAGS+set}" != "set"; then + if test $cross_compiling = no; then + BUILD_CFLAGS="$CFLAGS" + else + BUILD_CFLAGS="-g -O2" + fi fi # Check whether --enable-shared was given. diff --git a/configure.ac b/configure.ac index d44438f..fc286b3 100644 --- a/configure.ac +++ b/configure.ac @@ -9,11 +9,21 @@ AC_PREFIX_DEFAULT(/usr) AC_PROG_LIBTOOL AC_PROG_CC -if test $cross_compiling = no; then - BUILD_CC="$CC" - AC_SUBST(BUILD_CC) -else - AC_CHECK_PROGS(BUILD_CC, gcc cc) +AC_ARG_VAR(BUILD_CC, [C compiler for build tools]) +if test "${BUILD_CC+set}" != "set"; then + if test $cross_compiling = no; then + BUILD_CC="$CC" + else + AC_CHECK_PROGS(BUILD_CC, gcc cc) + fi +fi +AC_ARG_VAR(BUILD_CFLAGS, [C compiler flags for build tools]) +if test "${BUILD_CFLAGS+set}" != "set"; then + if test $cross_compiling = no; then + BUILD_CFLAGS="$CFLAGS" + else + BUILD_CFLAGS="-g -O2" + fi fi AC_ARG_ENABLE(shared, diff --git a/include/builddefs.in b/include/builddefs.in index c2ca4cb..9ca57a6 100644 --- a/include/builddefs.in +++ b/include/builddefs.in @@ -27,6 +27,7 @@ MALLOCLIB = @malloc_lib@ LOADERFLAGS = @LDFLAGS@ LTLDFLAGS = @LDFLAGS@ CFLAGS = @CFLAGS@ +BUILD_CFLAGS = @BUILD_CFLAGS@ LIBRT = @librt@ LIBUUID = @libuuid@ @@ -150,7 +151,7 @@ PCFLAGS+= -DENABLE_BLKID endif -GCFLAGS = $(OPTIMIZER) $(DEBUG) \ +GCFLAGS = $(DEBUG) \ -DVERSION=\"$(PKG_VERSION)\" -DLOCALEDIR=\"$(PKG_LOCALE_DIR)\" \ -DPACKAGE=\"$(PKG_NAME)\" -I$(TOPDIR)/include -I$(TOPDIR)/libxfs @@ -158,8 +159,9 @@ ifeq ($(ENABLE_GETTEXT),yes) GCFLAGS += -DENABLE_GETTEXT endif +BUILD_CFLAGS += $(GCFLAGS) $(PCFLAGS) # First, Global, Platform, Local CFLAGS -CFLAGS += $(FCFLAGS) $(GCFLAGS) $(PCFLAGS) $(LCFLAGS) +CFLAGS += $(FCFLAGS) $(OPTIMIZER) $(GCFLAGS) $(PCFLAGS) $(LCFLAGS) include $(TOPDIR)/include/buildmacros diff --git a/libxfs/Makefile b/libxfs/Makefile index 873d4ec..8d728c0 100644 --- a/libxfs/Makefile +++ b/libxfs/Makefile @@ -111,7 +111,7 @@ default: crc32selftest ltdepend $(LTLIBRARY) crc32table.h: gen_crc32table.c @echo " [CC] gen_crc32table" - $(Q) $(BUILD_CC) $(CFLAGS) -o gen_crc32table $< + $(Q) $(BUILD_CC) $(BUILD_CFLAGS) -o gen_crc32table $< @echo " [GENERATE] $@" $(Q) ./gen_crc32table > crc32table.h @@ -122,7 +122,7 @@ crc32table.h: gen_crc32table.c # disk. crc32selftest: gen_crc32table.c crc32table.h crc32.c @echo " [TEST] CRC32" - $(Q) $(BUILD_CC) $(CFLAGS) -D CRC32_SELFTEST=1 crc32.c -o $@ + $(Q) $(BUILD_CC) $(BUILD_CFLAGS) -D CRC32_SELFTEST=1 crc32.c -o $@ $(Q) ./$@ # set up include/xfs header directory -- 2.8.0.rc3.226.g39d4020 From david@fromorbit.com Fri Jun 3 19:33:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CE6567CA0 for ; 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04 Jun 2016 10:03:00 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1b8zWN-0006AH-Qf; Sat, 04 Jun 2016 10:32:59 +1000 Date: Sat, 4 Jun 2016 10:32:59 +1000 From: Dave Chinner To: Jan Tulak Cc: xfs-oss , Eric Sandeen Subject: Re: [PATCH 00/19 v2] mkfs cleaning Message-ID: <20160604003259.GV26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 00/19 v2] mkfs cleaning References: <1461231593-31294-1-git-send-email-jtulak@redhat.com> <20160510061054.GI26977@dastard> <20160603005324.GS12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1465000396 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1998 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30154 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 03, 2016 at 02:09:19PM +0200, Jan Tulak wrote: > [ > snip all, another issue, unrelated to the lsunit one] > > > > I realised one small glitch with conflicts watching in the code in > combination with flags. It is not regression, I think, because before now, > it was not possible to do something like -l internal=0,logdev=something, > but now it should be possible. I think that overly complicates things. My original intent for this work was to simplify the interface and code, not make it more elaborate to support configurations that are theoretically possible but completely redundant. i.e. '-l internal=0,logdev=something' is identical in function to '-l logdev=something', so there is no need to specify internal=0. AFAICT, therxp eis never a need to specify '-l internal=[0|1]' because if '-l logdev=' is specified, it implies an external log is being configured, and in every other case the log is internal. > The code checks only whether an option was seen, not its value, so it > does't know that we are in fact disabling something. I see two ways how to > do solve it. One is a custom conflict solving for these cases, putting some > if (flag1 && option2) somewhere once every argument and option is parsed. > But this goes against what the patchset did and moves it again out of the > option table... > > The other way is to make a special case for flags in the conflicts-handling > code. Basically, I would extend the structure with something like: > > { .index = L_INTERNAL, > .conflicts = { L_FILE, > L_DEV, > LAST_CONFLICT }, > .conflicts_ignore_on_false=true, // new item, shorter name to be found What happens when you have two conflicts, on which you want to ignore on false, the other you want to ignore on true? And where do you draw the line? L_SU vs L_SUNIT conflict and throw an error only when the values differ? Cheers, Dave. -- Dave Chinner david@fromorbit.com From vapier@gentoo.org Fri Jun 3 19:43:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D18957CA0 for ; Fri, 3 Jun 2016 19:43:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5D124AC01F for ; Fri, 3 Jun 2016 17:43:28 -0700 (PDT) X-ASG-Debug-ID: 1465001006-04bdf05ad5b3c920001-NocioJ Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by cuda.sgi.com with ESMTP id kz7TwkVy5J4qRb42 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 03 Jun 2016 17:43:26 -0700 (PDT) X-Barracuda-Envelope-From: vapier@gentoo.org X-Barracuda-Effective-Source-IP: smtp.gentoo.org[140.211.166.183] X-Barracuda-Apparent-Source-IP: 140.211.166.183 Received: from vapier.lan (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with SMTP id 7F2AF340B0B; Sat, 4 Jun 2016 00:43:25 +0000 (UTC) Date: Fri, 3 Jun 2016 20:43:25 -0400 From: Mike Frysinger To: Gwendal Grignou Cc: hch@infradead.org, tytso@mit.edu, fstests@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] Allow compiling xfsprogs in a cross compile environment. Message-ID: <20160604004325.GZ7717@vapier.lan> X-ASG-Orig-Subj: Re: [PATCH] Allow compiling xfsprogs in a cross compile environment. Mail-Followup-To: Gwendal Grignou , hch@infradead.org, tytso@mit.edu, fstests@vger.kernel.org, xfs@oss.sgi.com References: <1465000276-16554-1-git-send-email-gwendal@chromium.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="9+ohdFDUqiMJzwPo" Content-Disposition: inline In-Reply-To: <1465000276-16554-1-git-send-email-gwendal@chromium.org> X-Barracuda-Connect: smtp.gentoo.org[140.211.166.183] X-Barracuda-Start-Time: 1465001006 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 58 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30154 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header --9+ohdFDUqiMJzwPo Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Reviewed-by: Mike Frysinger -mike --9+ohdFDUqiMJzwPo Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXUiQsAAoJEEFjO5/oN/WBv2IP/Az8W7bMSzhiVcH/yT6UC98J dGZrsP7meey44BCojV1TVfgaKEF2nzYAv9396wchEkKqOD4hb93dd4IZ2Ir75kX/ 2ob4DQoBv/PmVRhvHvLfUVhTWUm7ax4L8dwmqQ5XEhHc0GApnSlZjFpVFuvUied/ GyorBn3CvQ9v7NhIoF0esDc+4k2YeflHhyVNZ8YSMbTqW7Sj70Dk5qXEx/IKn2fU gHys/cdQKq15vD9v5JNXwalap+UAtwJAEAmj3K1OnJVL9/nAUxtOUQkwe7+JEj8C /Kd4TwXZC6Kj7YXqqBWkfW9DTTOUY1ovkeYx6B+xw6Tcfnu+HsBCNrDc8enFweeN +bwYQFnNGumtojGRSwckiqPZvHR4zaFSH2v8Xx7K4GWEWNQqbFD4y5pL8DSQHd6r 6mGomYv6yPxoJRI8LqF+eBGQTfduno0ZV5tgneCOpeoET1uSJZdpzMA8gy/0731X mr2tmZgdjX1ri11Et+eopv6RdhoWB6jADDjbYUbQ9aS+F7AC1klZ0OuexbO4zxUI b/AYkRu396a+wtMlXbM+/sd6LV7NR9/4HgtkeZ1dwJ/1TwDOrJekuAaRTOjidih5 OW1ONx+DojASxKizPZGNj9DrvS+p21+hcnGMDiGuI9vYddS2cnzswxF0PO/NGGXW GF5mrtgCjhqi+hGa3p+M =bRrJ -----END PGP SIGNATURE----- --9+ohdFDUqiMJzwPo-- From darrick.wong@oracle.com Fri Jun 3 19:48:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A412C7CA0 for ; Fri, 3 Jun 2016 19:48:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5C497304081 for ; Fri, 3 Jun 2016 17:48:10 -0700 (PDT) X-ASG-Debug-ID: 1465001287-04cb6c2dbcb20f50001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id gzfEN47xppd0tzAi (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 03 Jun 2016 17:48:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u540lYxZ009998 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 4 Jun 2016 00:47:35 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u540lYri029287 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 4 Jun 2016 00:47:34 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u540lVA1006846; Sat, 4 Jun 2016 00:47:32 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 03 Jun 2016 17:47:31 -0700 Date: Fri, 3 Jun 2016 17:47:30 -0700 From: "Darrick J. Wong" To: david@fromorbit.com Cc: Christoph Hellwig , xfs@oss.sgi.com, bfoster@redhat.com Subject: June 2016 XFS reverse-mapping, reflink, and online fs scrub Message-ID: <20160604004730.GA5737@birch.djwong.org> X-ASG-Orig-Subj: June 2016 XFS reverse-mapping, reflink, and online fs scrub References: <20160505202502.GA7297@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160505202502.GA7297@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1465001287 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1554 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30154 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Hi all, Time for my monthly rmap+reflink code dump to github! Kernel patches are against 4.6.0, and xfsprogs patches are against ... 4.5. xfs/128 still fails when rmap is enabled. On the plus side, CoW and reflink remapping is now atomic! For rmap, I also moved the 'unwritten' bit out of the rm_blockcount field so that we can use all 32 bits. I've fixed numerous silly bugs in xfs_repair dealing with incorrect key handling, and worked in some large(ish) performance improvements. I also put in some tests that inject errors into the deferred op finishing code so that we can crash the FS at various points during a remapping multi-transaction to check that the redo items actually work. I plan to rebase the whole mess against 4.7-rc and for-next when I get a chance; and properly integrate the new patches into the start of the patchbomb. (342 patches is a bit much). The remaining work items are to make sure that quota accounting works acceptably, fix swapext when rmap is enabled, investigate caching the "is shared?" information in core to speed up reflink, and fixing performance problems. Maybe more scrub work too some day. Christoph: I've put in all your patches that you've sent me. --D Code-bomb: https://github.com/djwong/linux/commits/djwong-devel https://github.com/djwong/xfsprogs/commits/djwong-devel https://github.com/djwong/xfstests/commits/djwong-devel https://github.com/djwong/xfs-documentation/commits/djwong-devel https://github.com/djwong/man-pages/commits/djwong-devel From tireman@shaw.ca Fri Jun 3 21:28:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 857F97CA0 for ; Fri, 3 Jun 2016 21:28:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 44FB73040A4 for ; Fri, 3 Jun 2016 19:28:52 -0700 (PDT) X-ASG-Debug-ID: 1465007329-04bdf05ad7b3f1d0001-NocioJ Received: from smtp-out-so.shaw.ca (smtp-out-so.shaw.ca [64.59.136.139]) by cuda.sgi.com with ESMTP id m3eeovh3GD2tGqjI (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 03 Jun 2016 19:28:50 -0700 (PDT) X-Barracuda-Envelope-From: tireman@shaw.ca X-Barracuda-Effective-Source-IP: smtp-out-so.shaw.ca[64.59.136.139] X-Barracuda-Apparent-Source-IP: 64.59.136.139 Received: from [192.168.0.3] ([174.5.120.103]) by shaw.ca with SMTP id 91KRbDstcBLFm91KSbEzCN; Fri, 03 Jun 2016 20:28:49 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shaw.ca; s=s20150330; t=1465007329; bh=wzJHA4TFdpmsxLeBXmNwpPJQDg+5exBTuzasiE+rKpE=; h=From:Subject:To:References:Cc:Date:In-Reply-To; b=VDjFwSglD4ablUAGWH0077HskMjgb+APcTg+De+MAZLYwlJcxcI8BgUCAgh46HhSs VTehGSPrHiBWjjal51qoD8TflhnX1u5Pd1GFKjFZCmxaY3LjTzF+SRA2wwe+a2yLU8 gZTe61UQAd+kPYHL9zakvaDH9Azxvt9eDozJrIbOsttV1KM+DcLBxI/SKouUtL2lUa C/nifbqA4v8Atf9eJjCN/TbQgUxnpbUJRxw/JxA//deGiKOB1B9m2hhpHRmV8ZJFiW +fbmkWhyrIqtpiC4uQn19j9yAjrSI49oJM3qRHslfVCPrMOB6SSo9ez/iIxYA889Fd Rqr9rMuuylHsA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shaw.ca; s=s20150330; t=1465007329; bh=wzJHA4TFdpmsxLeBXmNwpPJQDg+5exBTuzasiE+rKpE=; h=From:Subject:To:References:Cc:Date:In-Reply-To; b=VDjFwSglD4ablUAGWH0077HskMjgb+APcTg+De+MAZLYwlJcxcI8BgUCAgh46HhSs VTehGSPrHiBWjjal51qoD8TflhnX1u5Pd1GFKjFZCmxaY3LjTzF+SRA2wwe+a2yLU8 gZTe61UQAd+kPYHL9zakvaDH9Azxvt9eDozJrIbOsttV1KM+DcLBxI/SKouUtL2lUa C/nifbqA4v8Atf9eJjCN/TbQgUxnpbUJRxw/JxA//deGiKOB1B9m2hhpHRmV8ZJFiW +fbmkWhyrIqtpiC4uQn19j9yAjrSI49oJM3qRHslfVCPrMOB6SSo9ez/iIxYA889Fd Rqr9rMuuylHsA== X-Authority-Analysis: v=2.2 cv=W5d6blek c=1 sm=1 tr=0 a=p2XoxBGfiVgixJHHDgKfSQ==:117 a=p2XoxBGfiVgixJHHDgKfSQ==:17 a=IkcTkHD0fZMA:10 a=9wYxZL4EAAAA:20 a=Sqk-MOYxAAAA:20 a=xBWF7wlVAAAA:20 a=uD6-8160AAAA:20 a=0RGs6xqVecw1MUq6YiUA:9 a=E6LPTDj9DoQ12ICq:21 a=5NnF_LXB8V_ur5m3:21 From: Andrew Ryder Subject: Re: xfs_repair fails after trying to format log cycle? To: Dave Chinner X-ASG-Orig-Subj: Re: xfs_repair fails after trying to format log cycle? References: <56F6DE67.60403@shaw.ca> <20160328085541.GA27040@bfoster.bfoster> <570C8D4D.3060304@shaw.ca> <20160412140512.GA59690@bfoster.bfoster> <570D578D.5010706@shaw.ca> <570DB6CD.1000007@shaw.ca> <20160413045129.GO567@dastard> Cc: Brian Foster , xfs@oss.sgi.com Message-ID: <57523CE6.7020906@shaw.ca> Date: Fri, 3 Jun 2016 22:28:54 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <20160413045129.GO567@dastard> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4wfIqF/G5nWvMpgH58oG4rXc6D02v9leArNX0HC7O7UvzrbpG36vMQC2jUzUsp8y/AAQMnLfIkbNHQ+mOWMXTIQcn31fsJ6vngcxrR+mWFBoj2okZcPOk7 /1ZQRKedTfezqNeOOAdi3Ua7Rj69en2AsyDqEoFawkIODhuVM0h9VRcs990kkzhKMX7LHa1swsegUWh6BnzGR+vfG6mmDOWozAY1Hk0lQrbT0Ay4oCatHZ23 X-Barracuda-Connect: smtp-out-so.shaw.ca[64.59.136.139] X-Barracuda-Start-Time: 1465007329 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2766 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30156 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Sorry to dig up old stuff here but after replacing hardware and pulling my hair out to no end, I traced the source of the problem out. On every drive in the array, the points on the PCB which the contacts for the drives motors and head/actuators make contact with were oxidized enough to cause the issue. I ended up pulling the PCB off each drive and cleaning them as well as cleaning out all other cable and drive connectors from the HBA outward and everything is happy again. http://s33.postimg.org/uhjmvw4dr/Not_Cleaned.jpg http://s33.postimg.org/xo94ieii7/Partial_Cleaned_1.jpg http://s33.postimg.org/hoqgyumgf/Partial_Cleaned_2.jpg http://s33.postimg.org/68k20t8a7/Partial_Cleaned_3.jpg On 04/13/2016 12:51 AM, Dave Chinner wrote: > On Tue, Apr 12, 2016 at 11:02:37PM -0400, Andrew Ryder wrote: >> Is it possible the location its searching for at block >> >> 02:34:43.887528 pread64(4, 0x7fb8f53e0200, 2097152, 3001552175104) = >> -1 EIO (Input/output error) > > so offset is 3001552175104, or roughly around the 3TB mark. Given > the log i always placed int eh middle of the filesystem and you have > a 6TB device, then the above definitely looks like a valid place to > be reading from the log. > >> xfs_logprint: >> data device: 0x902 >> log device: 0x902 daddr: 5860130880 length: 4173824 > > daddr converted to offset is 5860130880 * 512 = 3001552175104, which > tells us that the above pread64 failure was definitely coming from > an attempt to read the log. > > That this is coming from the block device from userspace indicates a > problem below XFS. There is something going wrong with your > underlying block device and/or hardware here; AFAICT it's not > related to XFS at all. > >>> GNU Parted 3.2 >>> Using /dev/sdk >>> Welcome to GNU Parted! Type 'help' to view a list of commands. >>> (parted) p >>> Model: ATA ST2000DL001-9VT1 (scsi) >>> Disk /dev/sdk: 2000GB >>> Sector size (logical/physical): 512B/512B >>> Partition Table: msdos >>> Disk Flags: >>> >>> Number Start End Size Type File system Flags >>> 1 512B 2000GB 2000GB primary raid >>> Number Start End Size Type File system Flags >>> 1 1s 3907029167s 3907029167s primary raid > > Compared to the other devices, it has a different start sector, a > different size, and an msdos partition table rather than gpt. > Definitely a red flag... > >>>>> This all began when the RR2722 driver running under 3.18.15 >>>>> complained and > > Reported physical IO errors to a write command. Really, this looks > like a hardware issue, not something that can be fixed by running > xfs_repair... > > Cheers, > > Dave. > From ben@decadent.org.uk Sat Jun 4 12:11:26 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 15ECB7CA0 for ; Sat, 4 Jun 2016 12:11:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 76F28AC023 for ; Sat, 4 Jun 2016 10:11:22 -0700 (PDT) X-ASG-Debug-ID: 1465060278-04cbb0356bb62dd0001-NocioJ Received: from shadbolt.e.decadent.org.uk (shadbolt.e.decadent.org.uk [88.96.1.126]) by cuda.sgi.com with ESMTP id FLTq5BgPUHsqROoP (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Sat, 04 Jun 2016 10:11:19 -0700 (PDT) X-Barracuda-Envelope-From: ben@decadent.org.uk X-Barracuda-Effective-Source-IP: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Apparent-Source-IP: 88.96.1.126 Received: from [2a02:8011:400e:2:6f00:88c8:c921:d332] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1b9F6R-0000iY-Lk; Sat, 04 Jun 2016 18:11:15 +0100 Received: from ben by deadeye with local (Exim 4.87) (envelope-from ) id 1b9F6R-0003Tt-Hb; Sat, 04 Jun 2016 18:11:15 +0100 Message-ID: <1465060270.2847.149.camel@decadent.org.uk> Subject: Re: XFS hole punch races From: Ben Hutchings X-ASG-Orig-Subj: Re: XFS hole punch races To: Jan Kara , stable@vger.kernel.org Cc: xfs@oss.sgi.com, Dave Chinner Date: Sat, 04 Jun 2016 18:11:10 +0100 In-Reply-To: <20160322155740.GB28772@quack.suse.cz> References: <20160322155740.GB28772@quack.suse.cz> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-DkW9dkZvWpfg5goUO7kh" X-Mailer: Evolution 3.20.2-2 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false X-Barracuda-Connect: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Start-Time: 1465060278 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1327 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30168 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header --=-DkW9dkZvWpfg5goUO7kh Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2016-03-22 at 16:57 +0100, Jan Kara wrote: Hi, similarly to ext4 also XFS had races between hole punching and page faults which could result in data corruption. The fixes were merged in 4.1-rc1 but it might make sense to backport them to older stable releases given the nature of the issue. Relevant fixes are: de0e8c20ba3a65b0f15040aabbefdc1999876e6b 075a924d45cc69c75a35f20b4912b85aa98b180a e8e9ad42c1f1e1bfbe0e8c32c8cac02e9ebfb7ef 0f9160b444e4de33b65dfcd3b901358a3129461a 723cac48473358939759885a18e8df113ea96138 ec56b1f1fdc69599963574ce94cc5693d535dd64 You missed the first in that sequence: 653c60b633a9 xfs: introduce mmap/truncate lock For 3.16, I've queued up all=C2=A0those fixes with one further=C2=A0prerequ= isite: 812176832169 xfs: fix swapext ilock deadlock For 3.2, I've queued up all but 723cac484733, with these additional prerequisites: f38996f57687 xfs: reduce ilock hold times in xfs_setattr_size bc4010ecb8f4 xfs: use iolock on XFS_IOC_ALLOCSP calls 76ca4c238cf5 xfs: always take the iolock around xfs_setattr_size 5f8aca8b43f4 xfs: always hold the iolock when calling xfs_change_file_space I realise I'll need to check for regressions with xfstests. Ben. --=20 Ben Hutchings The most exhausting thing in life is being insincere. - Anne Morrow Lindberg --=-DkW9dkZvWpfg5goUO7kh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCgAGBQJXUwuuAAoJEOe/yOyVhhEJYTMP/1d8PwM5Xw+FrAnZd7znk5ZY HLa3GV5PBB1joWQsk4mttnzKnaHdKQNmVIDlN1f0Z5vg7BDnBqLj98R0idNkBLOo 1ZXQ7IEj4BHMtGPqyIj3cZk+E+hfkenI72LXrNaRmELCRsTX2mNwzJ+O2vvDYY6t EuYxZymHujVaGyU55sjszMN9XkfZKlyF6ZV1Duq0qA7Wwuv57Meb+6oCoevZusIG s+UX0L9uOrA136kiW9XROIdeTzlWcwd0I0Y0atqQ2rsPnzzBJip40KW+SsJjzJWN LYSBIOHGYPHsuw7U+GfEzffxmjPi9MN6qlI7/E8jc/M7rCgQOnJDlRMzXT3L+MwV UsQFzJfcAECVoxB9Xikksa8YF+NYOEtha+zuyMdhJKnpZOtWmdl8AAL8IuXSCyPi kTIMe4X25aFjcfEcMVfgAaJOw1Zhxw63oq2/lLmFgU4/PYOcQ9VApYf6VA6c1uCT D1GIqxBWo/QW3Yk4e/Z05KFOumRqP3nfCULDpAEHDStkaG44JHKcAyWJBKSEmlVH KfrUQZ/KIPjyuEWOWcK2RN26MwXNKbrUitRG390yY+LrsvXyil8Ezinj07xAbm2C R/Ra81nvYB3OhcxBJPp/FY+pLJP2KQ17RPGUFxLZNXwZkcdTP9JhXmNTT5GOUwNG 5zXfEUaTCBaKj+Oin/CZ =VpAB -----END PGP SIGNATURE----- --=-DkW9dkZvWpfg5goUO7kh-- From david@fromorbit.com Sat Jun 4 18:28:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A5BDA7CA0 for ; Sat, 4 Jun 2016 18:28:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6707F304039 for ; Sat, 4 Jun 2016 16:28:10 -0700 (PDT) X-ASG-Debug-ID: 1465082882-04bdf05ad6b5e9b0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id A1kXLYSTPoqev1rl for ; Sat, 04 Jun 2016 16:28:03 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DaBgCoYlNXKGSyLXlegzqBU4J2g3mfMAECAQEBBowriA2BeoYMBAICgRs5FAEBAQEBAQEGAQEBAQFBQIRGAQEEMgEjIxAIAxgJJQ8FJQMHGhOILrpyAQEIJx6FQYUVihoFmEiOHI8oj1oehDYqMoljAQEB Received: from ppp121-45-178-100.lns20.syd7.internode.on.net (HELO dastard) ([121.45.178.100]) by ipmail05.adl6.internode.on.net with ESMTP; 05 Jun 2016 08:58:01 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1b9Kz2-0007ta-6P; Sun, 05 Jun 2016 09:28:00 +1000 Date: Sun, 5 Jun 2016 09:28:00 +1000 From: Dave Chinner To: Ben Hutchings Cc: Jan Kara , stable@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS hole punch races Message-ID: <20160604232800.GW26977@dastard> X-ASG-Orig-Subj: Re: XFS hole punch races References: <20160322155740.GB28772@quack.suse.cz> <1465060270.2847.149.camel@decadent.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1465060270.2847.149.camel@decadent.org.uk> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1465082882 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2461 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30173 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Sat, Jun 04, 2016 at 06:11:10PM +0100, Ben Hutchings wrote: > On Tue, 2016-03-22 at 16:57 +0100, Jan Kara wrote: > > Hi, > > similarly to ext4 also XFS had races between hole punching and page faults > which could result in data corruption. The fixes were merged in 4.1-rc1 but > it might make sense to backport them to older stable releases given the > nature of the issue. > > Relevant fixes are: > > de0e8c20ba3a65b0f15040aabbefdc1999876e6b > 075a924d45cc69c75a35f20b4912b85aa98b180a > e8e9ad42c1f1e1bfbe0e8c32c8cac02e9ebfb7ef > 0f9160b444e4de33b65dfcd3b901358a3129461a > 723cac48473358939759885a18e8df113ea96138 > ec56b1f1fdc69599963574ce94cc5693d535dd64 > > > You missed the first in that sequence: > > 653c60b633a9 xfs: introduce mmap/truncate lock > > For 3.16, I've queued up all�those fixes with one further�prerequisite: > > 812176832169 xfs: fix swapext ilock deadlock > > For 3.2, I've queued up all but 723cac484733, with these additional > prerequisites: > > f38996f57687 xfs: reduce ilock hold times in xfs_setattr_size > bc4010ecb8f4 xfs: use iolock on XFS_IOC_ALLOCSP calls > 76ca4c238cf5 xfs: always take the iolock around xfs_setattr_size > 5f8aca8b43f4 xfs: always hold the iolock when calling xfs_change_file_space > I realise I'll need to check for regressions with xfstests. Hi Ben, You do realise that this sort of backport effectively makes the stable kernels unsupportable by the upstream XFS developers? You're taking random changes from the upstream kernel until the kernel compiles, and then mostly hoping that it works. It's trivially easy to break truncate by screwing up the locking and IO barriers that it depends on, and this set of patches make quite a lot of different changes that have an unknown set of dependencies for correct behaviour. xfstests won't find all those problems; at best it will tell us that there won't be obvious problems. Stable kernels are supposed to be stable, and backports like this are riskier than the original changes in the upstream kernels. if a user is hitting a mmap/hole-punch race on an XFS filesytem (I can't remember any reports to the upstream list for any kernel) on a 3.2 kernel, then correct answer is "upgrade to a newer upstream kernel", not "do a risky backport that exposes the entire user base to the potential of new data corruption bugs".... Cheers, Dave. -- Dave Chinner david@fromorbit.com From ben@decadent.org.uk Sat Jun 4 20:19:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D45647CA0 for ; Sat, 4 Jun 2016 20:19:46 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4C621AC005 for ; Sat, 4 Jun 2016 18:19:45 -0700 (PDT) X-ASG-Debug-ID: 1465089579-04cbb0356bb706c0001-NocioJ Received: from shadbolt.e.decadent.org.uk (shadbolt.e.decadent.org.uk [88.96.1.126]) by cuda.sgi.com with ESMTP id k3by0pdl7VhyqhV3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Sat, 04 Jun 2016 18:19:40 -0700 (PDT) X-Barracuda-Envelope-From: ben@decadent.org.uk X-Barracuda-Effective-Source-IP: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Apparent-Source-IP: 88.96.1.126 Received: from [2a02:8011:400e:1:221:ccff:fe6d:2443] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1b9Mj2-0004c2-P1; Sun, 05 Jun 2016 02:19:36 +0100 Received: from ben by deadeye with local (Exim 4.87) (envelope-from ) id 1b9Mj2-0007N5-EH; Sun, 05 Jun 2016 02:19:36 +0100 Message-ID: <1465089572.2847.180.camel@decadent.org.uk> Subject: Re: XFS hole punch races From: Ben Hutchings X-ASG-Orig-Subj: Re: XFS hole punch races To: Dave Chinner Cc: Jan Kara , stable@vger.kernel.org, xfs@oss.sgi.com Date: Sun, 05 Jun 2016 02:19:32 +0100 In-Reply-To: <20160604232800.GW26977@dastard> References: <20160322155740.GB28772@quack.suse.cz> <1465060270.2847.149.camel@decadent.org.uk> <20160604232800.GW26977@dastard> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-GGgF4nOcNdE0iJ56Ay5F" X-Mailer: Evolution 3.20.2-2 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 2a02:8011:400e:1:221:ccff:fe6d:2443 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false X-Barracuda-Connect: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Start-Time: 1465089579 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2939 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30174 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header --=-GGgF4nOcNdE0iJ56Ay5F Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sun, 2016-06-05 at 09:28 +1000, Dave Chinner wrote: > On Sat, Jun 04, 2016 at 06:11:10PM +0100, Ben Hutchings wrote: > > On Tue, 2016-03-22 at 16:57 +0100, Jan Kara wrote: > >=20 > > Hi, > >=20 > > similarly to ext4 also XFS had races between hole punching and page fau= lts > > which could result in data corruption. The fixes were merged in 4.1-rc1= but > > it might make sense to backport them to older stable releases given the > > nature of the issue. > >=20 > > Relevant fixes are: > >=20 > > de0e8c20ba3a65b0f15040aabbefdc1999876e6b > > 075a924d45cc69c75a35f20b4912b85aa98b180a > > e8e9ad42c1f1e1bfbe0e8c32c8cac02e9ebfb7ef > > 0f9160b444e4de33b65dfcd3b901358a3129461a > > 723cac48473358939759885a18e8df113ea96138 > > ec56b1f1fdc69599963574ce94cc5693d535dd64 > >=20 > >=20 > > You missed the first in that sequence: > >=20 > > 653c60b633a9 xfs: introduce mmap/truncate lock > >=20 > > For 3.16, I've queued up all=C2=A0those fixes with one further=C2=A0pre= requisite: > >=20 > > 812176832169 xfs: fix swapext ilock deadlock > >=20 > > For 3.2, I've queued up all but 723cac484733, with these additional > > prerequisites: > >=20 > > f38996f57687 xfs: reduce ilock hold times in xfs_setattr_size > > bc4010ecb8f4 xfs: use iolock on XFS_IOC_ALLOCSP calls > > 76ca4c238cf5 xfs: always take the iolock around xfs_setattr_size > > 5f8aca8b43f4 xfs: always hold the iolock when calling xfs_change_file_s= pace > > I realise I'll need to check for regressions with xfstests. >=20 > Hi Ben, >=20 > You do realise that this sort of backport effectively makes the > stable kernels unsupportable by the upstream XFS developers? You're > taking random changes from the upstream kernel until the kernel > compiles, and then mostly hoping that it works. I'm applying slightly more intelligence than that, but of course I'm not an XFS developer. > It's trivially easy to break truncate by screwing up the locking and > IO barriers that it depends on, and this set of patches make quite a > lot of different changes that have an unknown set of dependencies > for correct behaviour. xfstests won't find all those problems; at > best it will tell us that there won't be obvious problems. >=20 > Stable kernels are supposed to be stable, and backports like this > are riskier than the original changes in the upstream kernels. if a > user is hitting a mmap/hole-punch race on an XFS filesytem (I can't > remember any reports to the upstream list for any kernel) on a 3.2 > kernel, then correct answer is "upgrade to a newer upstream kernel", > not "do a risky backport that exposes the entire user base to the > potential of new data corruption bugs".... OK, then I'll drop them for 3.2. Ben. --=20 Ben Hutchings Everything should be made as simple as possible, but not simpler. =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0- Albert Einstein --=-GGgF4nOcNdE0iJ56Ay5F Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCgAGBQJXU34kAAoJEOe/yOyVhhEJ9IYP/iaZuRDEahJ6CCIBHzbOwiYw xb23RFpa0bk0uXLgIZaiRkMQ+LAAf/n8mLFcqGkZP6DhaaSh5qdzi8yguz5izd+F gK/qmugvOUANA5gQ8IQaW0t4GfvkgdSBE/I7uXBbKB1Q9VHqaClm6xdzbCWN6RbE QAOXWhl1Uf8M4hVWV57BxJTllycRX8buvm+cgJLPN1TzL5r6kHMIo6qs7PJVlKGH lAHQ6mvgz9sTtF3c7z8wpF+jr74xNYSaU7XrPq5jGXm2HGLQboQkHnzYGzIMkxKY GEbZ+VkDHhg4vaN9wYOyIGMz7F3MHhOuc7Ev+Ctni1Aa7HJxE5w5pZwNQ5mS/o3p zacjRB7AsAqsLHlUJat1+ZmxCJywdsyNGD5zU7yLLvUl09yxrY49JyeoCNgzf1Hu TRvadINWcmgNdFSSRvfECGqqLtcQW0e890sLC3/6D8rrU50uDBxyrHwoXpRkVsrQ M0oDpwu5uq8NV7pxGY9LcJsXPRKZC41ePvEozO0/+0DiALLUvPFArt3nHlOD9U81 MMpNNN7NPDjeFUaBSG2vxhqjfBCcPj3UXq+oKNoVXgdjaWOr5meTqu84FDvyKvie yCmBMk/xQd6hhfnDonVNroXMe2+iecwfeECS379OLpQi/hEZpq31WEcUjyhR60BO qRCTxL5RJCYUaUw0o/NR =yS2t -----END PGP SIGNATURE----- --=-GGgF4nOcNdE0iJ56Ay5F-- From david@fromorbit.com Sat Jun 4 21:17:19 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 476277CA0 for ; Sat, 4 Jun 2016 21:17:19 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 01D25304048 for ; Sat, 4 Jun 2016 19:17:15 -0700 (PDT) X-ASG-Debug-ID: 1465093032-04cbb03569b71af0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id ZgBEcOKdJttX0cqB for ; Sat, 04 Jun 2016 19:17:13 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CnBADEilNXN2SyLXlegzqBU4J2g3mfLwECAQEBBowriA2BeoYMBAICgRs5FAEBAQEBAQEGAQEBAUJAhEUBAQEDATIBIyMQCAMYCSUPBSUDBxoTiCcHuwcBAQgnHoVBhRWKGgWYSI4cjyiPWh6ENioyiWMBAQE Received: from ppp121-45-178-100.lns20.syd7.internode.on.net (HELO dastard) ([121.45.178.100]) by ipmail05.adl6.internode.on.net with ESMTP; 05 Jun 2016 11:47:12 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1b9NcU-00085k-Kw; Sun, 05 Jun 2016 12:16:54 +1000 Date: Sun, 5 Jun 2016 12:16:54 +1000 From: Dave Chinner To: Ben Hutchings Cc: Jan Kara , stable@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS hole punch races Message-ID: <20160605021654.GX26977@dastard> X-ASG-Orig-Subj: Re: XFS hole punch races References: <20160322155740.GB28772@quack.suse.cz> <1465060270.2847.149.camel@decadent.org.uk> <20160604232800.GW26977@dastard> <1465089572.2847.180.camel@decadent.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1465089572.2847.180.camel@decadent.org.uk> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1465093032 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3325 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30175 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Sun, Jun 05, 2016 at 02:19:32AM +0100, Ben Hutchings wrote: > On Sun, 2016-06-05 at 09:28 +1000, Dave Chinner wrote: > > On Sat, Jun 04, 2016 at 06:11:10PM +0100, Ben Hutchings wrote: > > > On Tue, 2016-03-22 at 16:57 +0100, Jan Kara wrote: > > > > > > Hi, > > > > > > similarly to ext4 also XFS had races between hole punching and page faults > > > which could result in data corruption. The fixes were merged in 4.1-rc1 but > > > it might make sense to backport them to older stable releases given the > > > nature of the issue. > > > > > > Relevant fixes are: > > > > > > de0e8c20ba3a65b0f15040aabbefdc1999876e6b > > > 075a924d45cc69c75a35f20b4912b85aa98b180a > > > e8e9ad42c1f1e1bfbe0e8c32c8cac02e9ebfb7ef > > > 0f9160b444e4de33b65dfcd3b901358a3129461a > > > 723cac48473358939759885a18e8df113ea96138 > > > ec56b1f1fdc69599963574ce94cc5693d535dd64 > > > > > > > > > You missed the first in that sequence: > > > > > > 653c60b633a9 xfs: introduce mmap/truncate lock > > > > > > For 3.16, I've queued up all�those fixes with one further�prerequisite: > > > > > > 812176832169 xfs: fix swapext ilock deadlock > > > > > > For 3.2, I've queued up all but 723cac484733, with these additional > > > prerequisites: > > > > > > f38996f57687 xfs: reduce ilock hold times in xfs_setattr_size > > > bc4010ecb8f4 xfs: use iolock on XFS_IOC_ALLOCSP calls > > > 76ca4c238cf5 xfs: always take the iolock around xfs_setattr_size > > > 5f8aca8b43f4 xfs: always hold the iolock when calling xfs_change_file_space > > > I realise I'll need to check for regressions with xfstests. > > > > Hi Ben, > > > > You do realise that this sort of backport effectively makes the > > stable kernels unsupportable by the upstream XFS developers? You're > > taking random changes from the upstream kernel until the kernel > > compiles, and then mostly hoping that it works. > > I'm applying slightly more intelligence than that, but of course I'm > not an XFS developer. Sorry, Ben, I didn't mean to imply you hadn't done your due diligence properly. It's more a case of lots of things around these patches also changed, and from that perspective the changes are effective a random selection of changes spread across several years of development. It's subtle things, like changes to how IO completion is processed (especially for AIO), etc that the backported code might depend on for correct behaviour but aren't in the older kernels. These sorts of subtle problems are typically only discovered by users with uncommon applications and/or load.... > > Stable kernels are supposed to be stable, and backports like this > > are riskier than the original changes in the upstream kernels. if a > > user is hitting a mmap/hole-punch race on an XFS filesytem (I can't > > remember any reports to the upstream list for any kernel) on a 3.2 > > kernel, then correct answer is "upgrade to a newer upstream kernel", > > not "do a risky backport that exposes the entire user base to the > > potential of new data corruption bugs".... > > OK, then I'll drop them for 3.2. Probably for the best - these mmap/holepunch races had been in the code since XFS was first ported, so it's not like it's a new problem. :/ Cheers, Dave. -- Dave Chinner david@fromorbit.com From w@1wt.eu Sun Jun 5 00:17:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3E6027CA0 for ; Sun, 5 Jun 2016 00:17:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C72E7AC004 for ; Sat, 4 Jun 2016 22:17:04 -0700 (PDT) X-ASG-Debug-ID: 1465103820-04bdf05ad4b65130001-NocioJ Received: from 1wt.eu (wtarreau.pck.nerim.net [62.212.114.60]) by cuda.sgi.com with ESMTP id wlPbwhlMC4POCPfm for ; Sat, 04 Jun 2016 22:17:01 -0700 (PDT) X-Barracuda-Envelope-From: w@1wt.eu X-Barracuda-Effective-Source-IP: wtarreau.pck.nerim.net[62.212.114.60] X-Barracuda-Apparent-Source-IP: 62.212.114.60 Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id u555GsJ7020747; Sun, 5 Jun 2016 07:16:54 +0200 Date: Sun, 5 Jun 2016 07:16:54 +0200 From: Willy Tarreau To: Dave Chinner Cc: Ben Hutchings , Jan Kara , stable@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS hole punch races Message-ID: <20160605051654.GA20713@1wt.eu> X-ASG-Orig-Subj: Re: XFS hole punch races References: <20160322155740.GB28772@quack.suse.cz> <1465060270.2847.149.camel@decadent.org.uk> <20160604232800.GW26977@dastard> <1465089572.2847.180.camel@decadent.org.uk> <20160605021654.GX26977@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160605021654.GX26977@dastard> User-Agent: Mutt/1.6.0 (2016-04-01) X-Barracuda-Connect: wtarreau.pck.nerim.net[62.212.114.60] X-Barracuda-Start-Time: 1465103821 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1342 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30178 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Dave, On Sun, Jun 05, 2016 at 12:16:54PM +1000, Dave Chinner wrote: > On Sun, Jun 05, 2016 at 02:19:32AM +0100, Ben Hutchings wrote: > > On Sun, 2016-06-05 at 09:28 +1000, Dave Chinner wrote: > > > You do realise that this sort of backport effectively makes the > > > stable kernels unsupportable by the upstream XFS developers? You're > > > taking random changes from the upstream kernel until the kernel > > > compiles, and then mostly hoping that it works. > > > > I'm applying slightly more intelligence than that, but of course I'm > > not an XFS developer. > > Sorry, Ben, I didn't mean to imply you hadn't done your due diligence > properly. It's more a case of lots of things around these patches > also changed, and from that perspective the changes are effective a > random selection of changes spread across several years of > development. > > It's subtle things, like changes to how IO completion is processed > (especially for AIO), etc that the backported code might depend on > for correct behaviour but aren't in the older kernels. These sorts > of subtle problems are typically only discovered by users with > uncommon applications and/or load.... Does this mean that as a rule of thumb we'd rather avoid backporting XFS fixes unless they seem really obvious (or at all) ? Thanks, Willy From mchristi@redhat.com Sun Jun 5 14:32:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6ADF17CA0 for ; Sun, 5 Jun 2016 14:32:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A6EE9AC007 for ; Sun, 5 Jun 2016 12:32:39 -0700 (PDT) X-ASG-Debug-ID: 1465155153-04cb6c2dbab58d80001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id bwPNfDpVbQ2OSPYq (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:34 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C009B8E39A; Sun, 5 Jun 2016 19:32:32 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR97003130; Sun, 5 Jun 2016 15:32:27 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Subject: [PATCH 00/45] v8: separate operations from flags in the bio/request structs Date: Sun, 5 Jun 2016 14:31:40 -0500 X-ASG-Orig-Subj: [PATCH 00/45] v8: separate operations from flags in the bio/request structs Message-Id: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 05 Jun 2016 19:32:33 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155154 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13668 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 The following patches begin to cleanup the request->cmd_flags and bio->bi_rw mess. We currently use cmd_flags to specify the operation, attributes and state of the request. For bi_rw we use it for similar info and also the priority but then also have another bi_flags field for state. At some point, we abused them so much we just made cmd_flags 64 bits, so we could add more. The following patches seperate the operation (read, write discard, flush, etc) from cmd_flags/bi_rw. They were made against Linus's tree. I put a git tree here: https://github.com/mikechristie/linux-kernel/tree/op The patches are in the op branch. Note that I made it against linus's tree, but right now the only major conflicts with -next are in the dm tree from the dm-rq related changes. I have patches for that and can submit them. I was just not sure how to coordinate everything. v8: 1. Handle Jens's review comments from LSF. Instead of adding a op field, store the value in bi_rw/cmd_flags and access via accessors. v7: 1. Fix broken feature_flush/fua use. v6 and maybe hopfully the last version: 1. Adapt patch 41 to Jens's QUEUE_FLAG_WC/FUA patchset. v5: 1. Missed crypto fs submit_bio_wait call. 2. Change nfs bi_rw check to bi_op. 3. btrfs. Convert finish_parity_scrub. 4. Reworked against Jens's QUEUE_FLAG patches so I could drop my similar code. 5. Separated the core block layer change into multiple patches for merging, elevator, stats, mq and non mq request allocation to try and make it easier to read. v4: 1. Rebased to current linux-next tree. v3: 1. Used "=" instead of "|=" to setup bio bi_rw. 2. Removed __get_request cmd_flags compat code. 3. Merged initial dm related changes requested by Mike Snitzer. 4. Fixed ubd kbuild errors in flush related patches. 5. Fix 80 char col issues in several patches. 6. Fix issue with one of the btrfs patches where it looks like I reverted a patch when trying to fix a merge error. v2 1. Dropped arguments from submit_bio, and had callers setup bio. 2. Add REQ_OP_FLUSH for request_fn users and renamed REQ_FLUSH to REQ_PREFLUSH for make_request_fn users. 3. Dropped bio/rq_data_dir functions, and added a op_is_write function instead. Diffstat for the set: Documentation/block/writeback_cache_control.txt | 28 +++--- Documentation/device-mapper/log-writes.txt | 10 +- arch/um/drivers/ubd_kern.c | 2 block/bio.c | 20 ++-- block/blk-core.c | 105 +++++++++++------------ block/blk-flush.c | 25 ++--- block/blk-lib.c | 37 ++++---- block/blk-map.c | 2 block/blk-merge.c | 24 ++--- block/blk-mq.c | 42 ++++----- block/cfq-iosched.c | 55 +++++++----- block/elevator.c | 7 - drivers/ata/libata-scsi.c | 2 drivers/block/brd.c | 2 drivers/block/drbd/drbd_actlog.c | 34 ++++--- drivers/block/drbd/drbd_bitmap.c | 10 +- drivers/block/drbd/drbd_int.h | 4 drivers/block/drbd/drbd_main.c | 22 ++-- drivers/block/drbd/drbd_protocol.h | 2 drivers/block/drbd/drbd_receiver.c | 38 +++++--- drivers/block/drbd/drbd_req.c | 2 drivers/block/drbd/drbd_worker.c | 7 - drivers/block/floppy.c | 5 - drivers/block/loop.c | 16 +-- drivers/block/mtip32xx/mtip32xx.c | 2 drivers/block/nbd.c | 4 drivers/block/osdblk.c | 2 drivers/block/pktcdvd.c | 4 drivers/block/ps3disk.c | 4 drivers/block/rbd.c | 4 drivers/block/rsxx/dma.c | 2 drivers/block/skd_main.c | 2 drivers/block/umem.c | 2 drivers/block/virtio_blk.c | 2 drivers/block/xen-blkback/blkback.c | 31 ++++-- drivers/block/xen-blkfront.c | 67 +++++++-------- drivers/block/zram/zram_drv.c | 2 drivers/ide/ide-cd_ioctl.c | 3 drivers/ide/ide-disk.c | 2 drivers/ide/ide-floppy.c | 2 drivers/lightnvm/rrpc.c | 6 - drivers/md/bcache/btree.c | 4 drivers/md/bcache/debug.c | 10 +- drivers/md/bcache/io.c | 2 drivers/md/bcache/journal.c | 11 +- drivers/md/bcache/movinggc.c | 2 drivers/md/bcache/request.c | 28 +++--- drivers/md/bcache/super.c | 28 +++--- drivers/md/bcache/writeback.c | 4 drivers/md/bitmap.c | 6 - drivers/md/dm-bufio.c | 11 +- drivers/md/dm-cache-target.c | 22 ++-- drivers/md/dm-crypt.c | 15 +-- drivers/md/dm-era-target.c | 4 drivers/md/dm-flakey.c | 2 drivers/md/dm-io.c | 65 +++++++------- drivers/md/dm-kcopyd.c | 11 +- drivers/md/dm-log-writes.c | 19 ++-- drivers/md/dm-log.c | 5 - drivers/md/dm-raid.c | 5 - drivers/md/dm-raid1.c | 24 +++-- drivers/md/dm-region-hash.c | 8 - drivers/md/dm-snap-persistent.c | 24 ++--- drivers/md/dm-snap.c | 6 - drivers/md/dm-stats.c | 9 -- drivers/md/dm-stripe.c | 6 - drivers/md/dm-thin.c | 30 +++--- drivers/md/dm.c | 45 +++++----- drivers/md/linear.c | 4 drivers/md/md.c | 24 +++-- drivers/md/md.h | 5 - drivers/md/multipath.c | 2 drivers/md/raid0.c | 4 drivers/md/raid1.c | 38 ++++---- drivers/md/raid10.c | 54 ++++++------ drivers/md/raid5-cache.c | 35 ++++--- drivers/md/raid5.c | 48 +++++----- drivers/mmc/card/block.c | 13 +- drivers/mmc/card/queue.c | 6 - drivers/mmc/card/queue.h | 8 + drivers/mtd/mtd_blkdevs.c | 4 drivers/nvme/host/core.c | 4 drivers/nvme/host/nvme.h | 4 drivers/scsi/osd/osd_initiator.c | 12 +- drivers/scsi/sd.c | 34 ++++--- drivers/staging/lustre/lustre/llite/lloop.c | 6 - drivers/target/target_core_iblock.c | 53 ++++++----- drivers/target/target_core_pscsi.c | 2 fs/btrfs/check-integrity.c | 73 ++++++++-------- fs/btrfs/check-integrity.h | 6 - fs/btrfs/compression.c | 17 ++- fs/btrfs/ctree.h | 2 fs/btrfs/disk-io.c | 45 ++++------ fs/btrfs/disk-io.h | 2 fs/btrfs/extent-tree.c | 2 fs/btrfs/extent_io.c | 107 +++++++++++------------- fs/btrfs/extent_io.h | 8 - fs/btrfs/inode.c | 74 ++++++++-------- fs/btrfs/raid56.c | 27 +++--- fs/btrfs/scrub.c | 25 +++-- fs/btrfs/volumes.c | 95 +++++++++++---------- fs/btrfs/volumes.h | 6 - fs/buffer.c | 75 ++++++++-------- fs/crypto/crypto.c | 5 - fs/direct-io.c | 37 ++++---- fs/exofs/ore.c | 2 fs/ext4/balloc.c | 2 fs/ext4/ialloc.c | 2 fs/ext4/inode.c | 8 - fs/ext4/mmp.c | 4 fs/ext4/namei.c | 3 fs/ext4/page-io.c | 9 +- fs/ext4/readpage.c | 11 +- fs/ext4/super.c | 2 fs/f2fs/checkpoint.c | 10 +- fs/f2fs/data.c | 51 ++++++----- fs/f2fs/f2fs.h | 5 - fs/f2fs/gc.c | 9 +- fs/f2fs/inline.c | 3 fs/f2fs/node.c | 8 + fs/f2fs/segment.c | 18 ++-- fs/f2fs/trace.c | 7 - fs/fat/misc.c | 2 fs/gfs2/bmap.c | 4 fs/gfs2/dir.c | 2 fs/gfs2/log.c | 8 - fs/gfs2/lops.c | 14 +-- fs/gfs2/lops.h | 2 fs/gfs2/meta_io.c | 20 ++-- fs/gfs2/ops_fstype.c | 5 - fs/gfs2/quota.c | 2 fs/hfsplus/hfsplus_fs.h | 2 fs/hfsplus/part_tbl.c | 5 - fs/hfsplus/super.c | 6 - fs/hfsplus/wrapper.c | 17 ++- fs/isofs/compress.c | 2 fs/jbd2/commit.c | 6 - fs/jbd2/journal.c | 12 +- fs/jbd2/recovery.c | 4 fs/jfs/jfs_logmgr.c | 10 +- fs/jfs/jfs_metapage.c | 14 +-- fs/logfs/dev_bdev.c | 27 +++--- fs/mpage.c | 43 ++++----- fs/nfs/blocklayout/blocklayout.c | 26 +++-- fs/nilfs2/btnode.c | 6 - fs/nilfs2/btnode.h | 2 fs/nilfs2/btree.c | 6 - fs/nilfs2/gcinode.c | 5 - fs/nilfs2/mdt.c | 11 +- fs/nilfs2/segbuf.c | 20 ++-- fs/ntfs/aops.c | 6 - fs/ntfs/compress.c | 2 fs/ntfs/file.c | 2 fs/ntfs/logfile.c | 2 fs/ntfs/mft.c | 4 fs/ocfs2/aops.c | 2 fs/ocfs2/buffer_head_io.c | 8 - fs/ocfs2/cluster/heartbeat.c | 22 ++-- fs/ocfs2/super.c | 2 fs/reiserfs/inode.c | 4 fs/reiserfs/journal.c | 14 +-- fs/reiserfs/stree.c | 4 fs/reiserfs/super.c | 2 fs/squashfs/block.c | 4 fs/udf/dir.c | 2 fs/udf/directory.c | 2 fs/udf/inode.c | 2 fs/ufs/balloc.c | 2 fs/ufs/util.c | 2 fs/xfs/xfs_aops.c | 27 +++--- fs/xfs/xfs_buf.c | 32 +++---- include/linux/bio.h | 37 +++----- include/linux/blk-cgroup.h | 15 +-- include/linux/blk_types.h | 94 +++++++++++---------- include/linux/blkdev.h | 56 ++++++++---- include/linux/blktrace_api.h | 2 include/linux/buffer_head.h | 11 +- include/linux/dm-io.h | 3 include/linux/elevator.h | 4 include/linux/fs.h | 71 +++++++++------ include/trace/events/bcache.h | 12 +- include/trace/events/block.h | 31 ++++-- include/trace/events/f2fs.h | 37 ++++---- kernel/power/swap.c | 35 ++++--- kernel/trace/blktrace.c | 72 +++++++++------- mm/page_io.c | 14 +-- 186 files changed, 1679 insertions(+), 1413 deletions(-) From mchristi@redhat.com Sun Jun 5 14:32:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AC6D77CA2 for ; Sun, 5 Jun 2016 14:32:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 71E808F8039 for ; Sun, 5 Jun 2016 12:32:39 -0700 (PDT) X-ASG-Debug-ID: 1465155157-04cb6c2dbcb58d90001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id l596yVqit5FiSdXz (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:38 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 86F677AEBD; Sun, 5 Jun 2016 19:32:37 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR99003130; Sun, 5 Jun 2016 15:32:35 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 02/45] block: add REQ_OP definitions and helpers Date: Sun, 5 Jun 2016 14:31:42 -0500 X-ASG-Orig-Subj: [PATCH 02/45] block: add REQ_OP definitions and helpers Message-Id: <1465155145-10812-3-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Sun, 05 Jun 2016 19:32:37 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155158 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4479 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie The following patches separate the operation (WRITE, READ, DISCARD, etc) from the rq_flag_bits flags. This patch adds definitions for request/bio operations (REQ_OPs) and adds request/bio accessors to get/set the op. In this patch the REQ_OPs match the REQ rq_flag_bits ones for compat reasons while all the code is converted to use the op accessors in the set. In the last patches the op will become a number and the accessors and helpers in this patch will be dropped or updated. Signed-off-by: Mike Christie --- include/linux/bio.h | 3 +++ include/linux/blk_types.h | 24 ++++++++++++++++++++++++ include/linux/blkdev.h | 10 +++++++++- include/linux/fs.h | 26 ++++++++++++++++++++++++-- 4 files changed, 60 insertions(+), 3 deletions(-) diff --git a/include/linux/bio.h b/include/linux/bio.h index 3bde942..09c5308 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -44,6 +44,9 @@ #define BIO_MAX_SIZE (BIO_MAX_PAGES << PAGE_SHIFT) #define BIO_MAX_SECTORS (BIO_MAX_SIZE >> 9) +#define bio_op(bio) (op_from_rq_bits((bio)->bi_rw)) +#define bio_set_op_attrs(bio, op, flags) ((bio)->bi_rw |= (op | flags)) + /* * upper 16 bits of bi_rw define the io priority of this bio */ diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 77e5d81..6e60baa 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -242,6 +242,30 @@ enum rq_flag_bits { #define REQ_HASHED (1ULL << __REQ_HASHED) #define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT) +enum req_op { + REQ_OP_READ, + REQ_OP_WRITE = REQ_WRITE, + REQ_OP_DISCARD = REQ_DISCARD, + REQ_OP_WRITE_SAME = REQ_WRITE_SAME, +}; + +/* + * tmp cpmpat. Users used to set the write bit for all non reads, but + * we will be dropping the bitmap use for ops. Support both until + * the end of the patchset. + */ +static inline int op_from_rq_bits(u64 flags) +{ + if (flags & REQ_OP_DISCARD) + return REQ_OP_DISCARD; + else if (flags & REQ_OP_WRITE_SAME) + return REQ_OP_WRITE_SAME; + else if (flags & REQ_OP_WRITE) + return REQ_OP_WRITE; + else + return REQ_OP_READ; +} + typedef unsigned int blk_qc_t; #define BLK_QC_T_NONE -1U #define BLK_QC_T_SHIFT 16 diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 3d9cf32..49c2dbc 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -200,6 +200,13 @@ struct request { struct request *next_rq; }; +#define req_op(req) (op_from_rq_bits((req)->cmd_flags)) +#define req_set_op(req, op) ((req)->cmd_flags |= op) +#define req_set_op_attrs(req, op, flags) do { \ + req_set_op(req, op); \ + (req)->cmd_flags |= flags; \ +} while (0) + static inline unsigned short req_get_ioprio(struct request *req) { return req->ioprio; @@ -597,7 +604,8 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist) -#define rq_data_dir(rq) ((int)((rq)->cmd_flags & 1)) +#define rq_data_dir(rq) \ + (op_is_write(op_from_rq_bits(rq->cmd_flags)) ? WRITE : READ) /* * Driver can handle struct request, if it either has an old style diff --git a/include/linux/fs.h b/include/linux/fs.h index 65e4c51..62ca2f9 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2465,14 +2465,36 @@ extern bool is_bad_inode(struct inode *); #ifdef CONFIG_BLOCK /* + * tmp cpmpat. Users used to set the write bit for all non reads, but + * we will be dropping the bitmap use for ops. Support both until + * the end of the patchset. + */ +static inline bool op_is_write(unsigned long flags) +{ + if (flags & (REQ_OP_WRITE | REQ_OP_WRITE_SAME | REQ_OP_DISCARD)) + return true; + else + return false; +} + +/* * return READ, READA, or WRITE */ -#define bio_rw(bio) ((bio)->bi_rw & (RW_MASK | RWA_MASK)) +static inline int bio_rw(struct bio *bio) +{ + if (op_is_write(op_from_rq_bits(bio->bi_rw))) + return WRITE; + + return bio->bi_rw & RWA_MASK; +} /* * return data direction, READ or WRITE */ -#define bio_data_dir(bio) ((bio)->bi_rw & 1) +static inline int bio_data_dir(struct bio *bio) +{ + return op_is_write(op_from_rq_bits(bio->bi_rw)) ? WRITE : READ; +} extern void check_disk_size_change(struct gendisk *disk, struct block_device *bdev); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 690437CA1 for ; Sun, 5 Jun 2016 14:32:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 37F4B8F8039 for ; Sun, 5 Jun 2016 12:32:42 -0700 (PDT) X-ASG-Debug-ID: 1465155155-04cb6c2db9b58d80001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id UMq5t2HxNamuu8fH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:36 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 801C38E938; Sun, 5 Jun 2016 19:32:35 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR98003130; Sun, 5 Jun 2016 15:32:32 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio Date: Sun, 5 Jun 2016 14:31:41 -0500 X-ASG-Orig-Subj: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio Message-Id: <1465155145-10812-2-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 05 Jun 2016 19:32:35 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155156 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 57655 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This has callers of submit_bio/submit_bio_wait set the bio->bi_rw instead of passing it in. This makes that use the same as generic_make_request and how we set the other bio fields. Signed-off-by: Mike Christie --- v8: 1. Fix bug in xfs code introduced in v6 due to ioend changes. 2. Dropped signed-offs due to so many upstream changes since last review. v5: 1. Missed crypto fs submit_bio_wait call. v2: 1. Set bi_rw instead of ORing it. For cloned bios, I still OR it to keep the old behavior incase there bits we wanted to keep. block/bio.c | 7 +++---- block/blk-core.c | 11 ++++------- block/blk-flush.c | 3 ++- block/blk-lib.c | 20 +++++++++++--------- drivers/block/drbd/drbd_actlog.c | 2 +- drivers/block/drbd/drbd_bitmap.c | 4 ++-- drivers/block/floppy.c | 3 ++- drivers/block/xen-blkback/blkback.c | 4 +++- drivers/block/xen-blkfront.c | 4 ++-- drivers/md/bcache/debug.c | 6 ++++-- drivers/md/bcache/journal.c | 2 +- drivers/md/bcache/super.c | 4 ++-- drivers/md/dm-bufio.c | 3 ++- drivers/md/dm-io.c | 3 ++- drivers/md/dm-log-writes.c | 9 ++++++--- drivers/md/dm-thin.c | 3 ++- drivers/md/md.c | 10 +++++++--- drivers/md/raid1.c | 3 ++- drivers/md/raid10.c | 4 +++- drivers/md/raid5-cache.c | 7 ++++--- drivers/target/target_core_iblock.c | 24 +++++++++++++----------- fs/btrfs/check-integrity.c | 18 ++++++++++-------- fs/btrfs/check-integrity.h | 4 ++-- fs/btrfs/disk-io.c | 3 ++- fs/btrfs/extent_io.c | 7 ++++--- fs/btrfs/raid56.c | 17 ++++++++++++----- fs/btrfs/scrub.c | 15 ++++++++++----- fs/btrfs/volumes.c | 14 +++++++------- fs/buffer.c | 3 ++- fs/crypto/crypto.c | 3 ++- fs/direct-io.c | 3 ++- fs/ext4/page-io.c | 3 ++- fs/ext4/readpage.c | 9 +++++---- fs/f2fs/data.c | 4 +++- fs/f2fs/segment.c | 6 ++++-- fs/gfs2/lops.c | 3 ++- fs/gfs2/meta_io.c | 3 ++- fs/gfs2/ops_fstype.c | 3 ++- fs/hfsplus/wrapper.c | 3 ++- fs/jfs/jfs_logmgr.c | 6 ++++-- fs/jfs/jfs_metapage.c | 10 ++++++---- fs/logfs/dev_bdev.c | 15 ++++++++++----- fs/mpage.c | 3 ++- fs/nfs/blocklayout/blocklayout.c | 22 ++++++++++++---------- fs/nilfs2/segbuf.c | 3 ++- fs/ocfs2/cluster/heartbeat.c | 12 +++++++----- fs/xfs/xfs_aops.c | 15 ++++++++++----- fs/xfs/xfs_buf.c | 4 ++-- include/linux/bio.h | 2 +- include/linux/fs.h | 2 +- kernel/power/swap.c | 5 +++-- mm/page_io.c | 10 ++++++---- 52 files changed, 219 insertions(+), 147 deletions(-) diff --git a/block/bio.c b/block/bio.c index 0e4aa42..fc779eb 100644 --- a/block/bio.c +++ b/block/bio.c @@ -854,21 +854,20 @@ static void submit_bio_wait_endio(struct bio *bio) /** * submit_bio_wait - submit a bio, and wait until it completes - * @rw: whether to %READ or %WRITE, or maybe to %READA (read ahead) * @bio: The &struct bio which describes the I/O * * Simple wrapper around submit_bio(). Returns 0 on success, or the error from * bio_endio() on failure. */ -int submit_bio_wait(int rw, struct bio *bio) +int submit_bio_wait(struct bio *bio) { struct submit_bio_ret ret; - rw |= REQ_SYNC; init_completion(&ret.event); bio->bi_private = &ret; bio->bi_end_io = submit_bio_wait_endio; - submit_bio(rw, bio); + bio->bi_rw |= REQ_SYNC; + submit_bio(bio); wait_for_completion_io(&ret.event); return ret.error; diff --git a/block/blk-core.c b/block/blk-core.c index 2475b1c7..e953407 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2094,7 +2094,6 @@ EXPORT_SYMBOL(generic_make_request); /** * submit_bio - submit a bio to the block device layer for I/O - * @rw: whether to %READ or %WRITE, or maybe to %READA (read ahead) * @bio: The &struct bio which describes the I/O * * submit_bio() is very similar in purpose to generic_make_request(), and @@ -2102,10 +2101,8 @@ EXPORT_SYMBOL(generic_make_request); * interfaces; @bio must be presetup and ready for I/O. * */ -blk_qc_t submit_bio(int rw, struct bio *bio) +blk_qc_t submit_bio(struct bio *bio) { - bio->bi_rw |= rw; - /* * If it's a regular read/write or a barrier with data attached, * go through the normal accounting stuff before submission. @@ -2113,12 +2110,12 @@ blk_qc_t submit_bio(int rw, struct bio *bio) if (bio_has_data(bio)) { unsigned int count; - if (unlikely(rw & REQ_WRITE_SAME)) + if (unlikely(bio->bi_rw & REQ_WRITE_SAME)) count = bdev_logical_block_size(bio->bi_bdev) >> 9; else count = bio_sectors(bio); - if (rw & WRITE) { + if (bio->bi_rw & WRITE) { count_vm_events(PGPGOUT, count); } else { task_io_account_read(bio->bi_iter.bi_size); @@ -2129,7 +2126,7 @@ blk_qc_t submit_bio(int rw, struct bio *bio) char b[BDEVNAME_SIZE]; printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n", current->comm, task_pid_nr(current), - (rw & WRITE) ? "WRITE" : "READ", + (bio->bi_rw & WRITE) ? "WRITE" : "READ", (unsigned long long)bio->bi_iter.bi_sector, bdevname(bio->bi_bdev, b), count); diff --git a/block/blk-flush.c b/block/blk-flush.c index b1c91d2..3af4a5a 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -485,8 +485,9 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, bio = bio_alloc(gfp_mask, 0); bio->bi_bdev = bdev; + bio->bi_rw = WRITE_FLUSH; - ret = submit_bio_wait(WRITE_FLUSH, bio); + ret = submit_bio_wait(bio); /* * The driver must store the error location in ->bi_sector, if diff --git a/block/blk-lib.c b/block/blk-lib.c index 23d7f30..1f6dec5 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -9,14 +9,14 @@ #include "blk.h" -static struct bio *next_bio(struct bio *bio, int rw, unsigned int nr_pages, +static struct bio *next_bio(struct bio *bio, unsigned int nr_pages, gfp_t gfp) { struct bio *new = bio_alloc(gfp, nr_pages); if (bio) { bio_chain(bio, new); - submit_bio(rw, bio); + submit_bio(bio); } return new; @@ -62,9 +62,10 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, req_sects = end_sect - sector; } - bio = next_bio(bio, type, 1, gfp_mask); + bio = next_bio(bio, 1, gfp_mask); bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; + bio->bi_rw = type; bio->bi_iter.bi_size = req_sects << 9; nr_sects -= req_sects; @@ -110,7 +111,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector, ret = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, type, &bio); if (!ret && bio) { - ret = submit_bio_wait(type, bio); + ret = submit_bio_wait(bio); if (ret == -EOPNOTSUPP) ret = 0; } @@ -147,13 +148,14 @@ int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, max_write_same_sectors = UINT_MAX >> 9; while (nr_sects) { - bio = next_bio(bio, REQ_WRITE | REQ_WRITE_SAME, 1, gfp_mask); + bio = next_bio(bio, 1, gfp_mask); bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; bio->bi_vcnt = 1; bio->bi_io_vec->bv_page = page; bio->bi_io_vec->bv_offset = 0; bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev); + bio->bi_rw = REQ_WRITE | REQ_WRITE_SAME; if (nr_sects > max_write_same_sectors) { bio->bi_iter.bi_size = max_write_same_sectors << 9; @@ -166,7 +168,7 @@ int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, } if (bio) - ret = submit_bio_wait(REQ_WRITE | REQ_WRITE_SAME, bio); + ret = submit_bio_wait(bio); return ret != -EOPNOTSUPP ? ret : 0; } EXPORT_SYMBOL(blkdev_issue_write_same); @@ -190,11 +192,11 @@ static int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, unsigned int sz; while (nr_sects != 0) { - bio = next_bio(bio, WRITE, - min(nr_sects, (sector_t)BIO_MAX_PAGES), + bio = next_bio(bio, min(nr_sects, (sector_t)BIO_MAX_PAGES), gfp_mask); bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; + bio->bi_rw = REQ_WRITE; while (nr_sects != 0) { sz = min((sector_t) PAGE_SIZE >> 9 , nr_sects); @@ -207,7 +209,7 @@ static int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, } if (bio) - return submit_bio_wait(WRITE, bio); + return submit_bio_wait(bio); return 0; } diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 10459a1..6069e15 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -177,7 +177,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) bio_io_error(bio); else - submit_bio(rw, bio); + submit_bio(bio); wait_until_done_or_force_detached(device, bdev, &device->md_io.done); if (!bio->bi_error) err = device->md_io.error; diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 92d6fc0..e8959fe 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -1011,12 +1011,12 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho bio_add_page(bio, page, len, 0); bio->bi_private = ctx; bio->bi_end_io = drbd_bm_endio; + bio->bi_rw = rw; if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) { - bio->bi_rw |= rw; bio_io_error(bio); } else { - submit_bio(rw, bio); + submit_bio(bio); /* this should not count as user activity and cause the * resync to throttle -- see drbd_rs_should_slow_down(). */ atomic_add(len >> 9, &device->rs_sect_ev); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 84708a5..73ded25 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3822,8 +3822,9 @@ static int __floppy_read_block_0(struct block_device *bdev, int drive) bio.bi_flags |= (1 << BIO_QUIET); bio.bi_private = &cbdata; bio.bi_end_io = floppy_rb0_cb; + bio.bi_rw = READ; - submit_bio(READ, &bio); + submit_bio(&bio); process_fd_request(); init_completion(&cbdata.complete); diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 4809c15..79fe493 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -1369,6 +1369,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, bio->bi_private = pending_req; bio->bi_end_io = end_block_io_op; bio->bi_iter.bi_sector = preq.sector_number; + bio->bi_rw = operation; } preq.sector_number += seg[i].nsec; @@ -1386,13 +1387,14 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, bio->bi_bdev = preq.bdev; bio->bi_private = pending_req; bio->bi_end_io = end_block_io_op; + bio->bi_rw = operation; } atomic_set(&pending_req->pendcnt, nbio); blk_start_plug(&plug); for (i = 0; i < nbio; i++) - submit_bio(operation, biolist[i]); + submit_bio(biolist[i]); /* Let the I/Os go.. */ blk_finish_plug(&plug); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index ca13df8..52963a2 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -2114,7 +2114,7 @@ static int blkif_recover(struct blkfront_info *info) bio_trim(cloned_bio, offset, size); cloned_bio->bi_private = split_bio; cloned_bio->bi_end_io = split_bio_end; - submit_bio(cloned_bio->bi_rw, cloned_bio); + submit_bio(cloned_bio); } /* * Now we have to wait for all those smaller bios to @@ -2123,7 +2123,7 @@ static int blkif_recover(struct blkfront_info *info) continue; } /* We don't need to split this bio */ - submit_bio(bio->bi_rw, bio); + submit_bio(bio); } return 0; diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index 8b1f1d5..52b6bcf 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -52,9 +52,10 @@ void bch_btree_verify(struct btree *b) bio->bi_bdev = PTR_CACHE(b->c, &b->key, 0)->bdev; bio->bi_iter.bi_sector = PTR_OFFSET(&b->key, 0); bio->bi_iter.bi_size = KEY_SIZE(&v->key) << 9; + bio->bi_rw = REQ_META|READ_SYNC; bch_bio_map(bio, sorted); - submit_bio_wait(REQ_META|READ_SYNC, bio); + submit_bio_wait(bio); bch_bbio_free(bio, b->c); memcpy(ondisk, sorted, KEY_SIZE(&v->key) << 9); @@ -113,11 +114,12 @@ void bch_data_verify(struct cached_dev *dc, struct bio *bio) check = bio_clone(bio, GFP_NOIO); if (!check) return; + check->bi_rw |= READ_SYNC; if (bio_alloc_pages(check, GFP_NOIO)) goto out_put; - submit_bio_wait(READ_SYNC, check); + submit_bio_wait(check); bio_for_each_segment(bv, bio, iter) { void *p1 = kmap_atomic(bv.bv_page); diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 29eba72..af3f9f7 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -418,7 +418,7 @@ static void journal_discard_work(struct work_struct *work) struct journal_device *ja = container_of(work, struct journal_device, discard_work); - submit_bio(0, &ja->discard_bio); + submit_bio(&ja->discard_bio); } static void do_journal_discard(struct cache *ca) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index f5dbb4e..1eb526a7 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -212,7 +212,7 @@ static void __write_super(struct cache_sb *sb, struct bio *bio) unsigned i; bio->bi_iter.bi_sector = SB_SECTOR; - bio->bi_rw = REQ_SYNC|REQ_META; + bio->bi_rw = REQ_WRITE|REQ_SYNC|REQ_META; bio->bi_iter.bi_size = SB_SIZE; bch_bio_map(bio, NULL); @@ -238,7 +238,7 @@ static void __write_super(struct cache_sb *sb, struct bio *bio) pr_debug("ver %llu, flags %llu, seq %llu", sb->version, sb->flags, sb->seq); - submit_bio(REQ_WRITE, bio); + submit_bio(bio); } static void bch_write_bdev_super_unlock(struct closure *cl) diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index cd77216..9d3ee7f 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -634,6 +634,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block, * the dm_buffer's inline bio is local to bufio. */ b->bio.bi_private = end_io; + b->bio.bi_rw = rw; /* * We assume that if len >= PAGE_SIZE ptr is page-aligned. @@ -660,7 +661,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block, ptr += PAGE_SIZE; } while (len > 0); - submit_bio(rw, &b->bio); + submit_bio(&b->bio); } static void submit_io(struct dm_buffer *b, int rw, sector_t block, diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 06d426e..50f17e3 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -322,6 +322,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, bio->bi_iter.bi_sector = where->sector + (where->count - remaining); bio->bi_bdev = where->bdev; bio->bi_end_io = endio; + bio->bi_rw = rw; store_io_and_region_in_bio(bio, io, region); if (rw & REQ_DISCARD) { @@ -355,7 +356,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, } atomic_inc(&io->count); - submit_bio(rw, bio); + submit_bio(bio); } while (remaining); } diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 608302e..addcc4b 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -205,6 +205,7 @@ static int write_metadata(struct log_writes_c *lc, void *entry, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; + bio->bi_rw = WRITE; page = alloc_page(GFP_KERNEL); if (!page) { @@ -226,7 +227,7 @@ static int write_metadata(struct log_writes_c *lc, void *entry, DMERR("Couldn't add page to the log block"); goto error_bio; } - submit_bio(WRITE, bio); + submit_bio(bio); return 0; error_bio: bio_put(bio); @@ -269,6 +270,7 @@ static int log_one_block(struct log_writes_c *lc, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; + bio->bi_rw = WRITE; for (i = 0; i < block->vec_cnt; i++) { /* @@ -279,7 +281,7 @@ static int log_one_block(struct log_writes_c *lc, block->vecs[i].bv_len, 0); if (ret != block->vecs[i].bv_len) { atomic_inc(&lc->io_blocks); - submit_bio(WRITE, bio); + submit_bio(bio); bio = bio_alloc(GFP_KERNEL, block->vec_cnt - i); if (!bio) { DMERR("Couldn't alloc log bio"); @@ -290,6 +292,7 @@ static int log_one_block(struct log_writes_c *lc, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; + bio->bi_rw = WRITE; ret = bio_add_page(bio, block->vecs[i].bv_page, block->vecs[i].bv_len, 0); @@ -301,7 +304,7 @@ static int log_one_block(struct log_writes_c *lc, } sector += block->vecs[i].bv_len >> SECTOR_SHIFT; } - submit_bio(WRITE, bio); + submit_bio(bio); out: kfree(block->data); kfree(block); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index fc803d5..8c070ee 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -371,7 +371,8 @@ static void end_discard(struct discard_op *op, int r) * need to wait for the chain to complete. */ bio_chain(op->bio, op->parent_bio); - submit_bio(REQ_WRITE | REQ_DISCARD, op->bio); + op->bio->bi_rw = REQ_WRITE | REQ_DISCARD; + submit_bio(op->bio); } blk_finish_plug(&op->plug); diff --git a/drivers/md/md.c b/drivers/md/md.c index 866825f..fb3950b 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -394,8 +394,9 @@ static void submit_flushes(struct work_struct *ws) bi->bi_end_io = md_end_flush; bi->bi_private = rdev; bi->bi_bdev = rdev->bdev; + bi->bi_rw = WRITE_FLUSH; atomic_inc(&mddev->flush_pending); - submit_bio(WRITE_FLUSH, bi); + submit_bio(bi); rcu_read_lock(); rdev_dec_pending(rdev, mddev); } @@ -742,9 +743,10 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, bio_add_page(bio, page, size, 0); bio->bi_private = rdev; bio->bi_end_io = super_written; + bio->bi_rw = WRITE_FLUSH_FUA; atomic_inc(&mddev->pending_writes); - submit_bio(WRITE_FLUSH_FUA, bio); + submit_bio(bio); } void md_super_wait(struct mddev *mddev) @@ -761,6 +763,7 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, bio->bi_bdev = (metadata_op && rdev->meta_bdev) ? rdev->meta_bdev : rdev->bdev; + bio->bi_rw = rw; if (metadata_op) bio->bi_iter.bi_sector = sector + rdev->sb_start; else if (rdev->mddev->reshape_position != MaxSector && @@ -770,7 +773,8 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, else bio->bi_iter.bi_sector = sector + rdev->data_offset; bio_add_page(bio, page, size, 0); - submit_bio_wait(rw, bio); + + submit_bio_wait(bio); ret = !bio->bi_error; bio_put(bio); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index c7c8cde..bc95d4d 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2208,7 +2208,8 @@ static int narrow_write_error(struct r1bio *r1_bio, int i) bio_trim(wbio, sector - r1_bio->sector, sectors); wbio->bi_iter.bi_sector += rdev->data_offset; wbio->bi_bdev = rdev->bdev; - if (submit_bio_wait(WRITE, wbio) < 0) + + if (submit_bio_wait(wbio) < 0) /* failure! */ ok = rdev_set_badblocks(rdev, sector, sectors, 0) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index c7de2a5..0be6497 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2474,7 +2474,9 @@ static int narrow_write_error(struct r10bio *r10_bio, int i) choose_data_offset(r10_bio, rdev) + (sector - r10_bio->sector)); wbio->bi_bdev = rdev->bdev; - if (submit_bio_wait(WRITE, wbio) < 0) + wbio->bi_rw = WRITE; + + if (submit_bio_wait(wbio) < 0) /* Failure! */ ok = rdev_set_badblocks(rdev, sector, sectors, 0) diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index e889e2d..0b01453 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -254,7 +254,7 @@ static void r5l_submit_current_io(struct r5l_log *log) __r5l_set_io_unit_state(io, IO_UNIT_IO_START); spin_unlock_irqrestore(&log->io_list_lock, flags); - submit_bio(WRITE, io->current_bio); + submit_bio(io->current_bio); } static struct bio *r5l_bio_alloc(struct r5l_log *log) @@ -373,7 +373,7 @@ static void r5l_append_payload_page(struct r5l_log *log, struct page *page) io->current_bio = r5l_bio_alloc(log); bio_chain(io->current_bio, prev); - submit_bio(WRITE, prev); + submit_bio(prev); } if (!bio_add_page(io->current_bio, page, PAGE_SIZE, 0)) @@ -686,7 +686,8 @@ void r5l_flush_stripe_to_raid(struct r5l_log *log) bio_reset(&log->flush_bio); log->flush_bio.bi_bdev = log->rdev->bdev; log->flush_bio.bi_end_io = r5l_log_flush_endio; - submit_bio(WRITE_FLUSH, &log->flush_bio); + log->flush_bio.bi_rw = WRITE_FLUSH; + submit_bio(&log->flush_bio); } static void r5l_write_super(struct r5l_log *log, sector_t cp); diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 7c4efb4..c25109c 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -312,7 +312,7 @@ static void iblock_bio_done(struct bio *bio) } static struct bio * -iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num) +iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int rw) { struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev); struct bio *bio; @@ -334,18 +334,19 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num) bio->bi_private = cmd; bio->bi_end_io = &iblock_bio_done; bio->bi_iter.bi_sector = lba; + bio->bi_rw = rw; return bio; } -static void iblock_submit_bios(struct bio_list *list, int rw) +static void iblock_submit_bios(struct bio_list *list) { struct blk_plug plug; struct bio *bio; blk_start_plug(&plug); while ((bio = bio_list_pop(list))) - submit_bio(rw, bio); + submit_bio(bio); blk_finish_plug(&plug); } @@ -387,9 +388,10 @@ iblock_execute_sync_cache(struct se_cmd *cmd) bio = bio_alloc(GFP_KERNEL, 0); bio->bi_end_io = iblock_end_io_flush; bio->bi_bdev = ib_dev->ibd_bd; + bio->bi_rw = WRITE_FLUSH; if (!immed) bio->bi_private = cmd; - submit_bio(WRITE_FLUSH, bio); + submit_bio(bio); return 0; } @@ -478,7 +480,7 @@ iblock_execute_write_same(struct se_cmd *cmd) goto fail; cmd->priv = ibr; - bio = iblock_get_bio(cmd, block_lba, 1); + bio = iblock_get_bio(cmd, block_lba, 1, WRITE); if (!bio) goto fail_free_ibr; @@ -491,7 +493,7 @@ iblock_execute_write_same(struct se_cmd *cmd) while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset) != sg->length) { - bio = iblock_get_bio(cmd, block_lba, 1); + bio = iblock_get_bio(cmd, block_lba, 1, WRITE); if (!bio) goto fail_put_bios; @@ -504,7 +506,7 @@ iblock_execute_write_same(struct se_cmd *cmd) sectors -= 1; } - iblock_submit_bios(&list, WRITE); + iblock_submit_bios(&list); return 0; fail_put_bios: @@ -712,7 +714,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, return 0; } - bio = iblock_get_bio(cmd, block_lba, sgl_nents); + bio = iblock_get_bio(cmd, block_lba, sgl_nents, rw); if (!bio) goto fail_free_ibr; @@ -732,11 +734,11 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset) != sg->length) { if (bio_cnt >= IBLOCK_MAX_BIO_PER_TASK) { - iblock_submit_bios(&list, rw); + iblock_submit_bios(&list); bio_cnt = 0; } - bio = iblock_get_bio(cmd, block_lba, sg_num); + bio = iblock_get_bio(cmd, block_lba, sg_num, rw); if (!bio) goto fail_put_bios; @@ -756,7 +758,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, goto fail_put_bios; } - iblock_submit_bios(&list, rw); + iblock_submit_bios(&list); iblock_complete_cmd(cmd); return 0; diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index b677a6e..50f8191 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -1673,6 +1673,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, } bio->bi_bdev = block_ctx->dev->bdev; bio->bi_iter.bi_sector = dev_bytenr >> 9; + bio->bi_rw = READ; for (j = i; j < num_pages; j++) { ret = bio_add_page(bio, block_ctx->pagev[j], @@ -1685,7 +1686,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, "btrfsic: error, failed to add a single page!\n"); return -1; } - if (submit_bio_wait(READ, bio)) { + if (submit_bio_wait(bio)) { printk(KERN_INFO "btrfsic: read error at logical %llu dev %s!\n", block_ctx->start, block_ctx->dev->name); @@ -2918,9 +2919,10 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh) return submit_bh(rw, bh); } -static void __btrfsic_submit_bio(int rw, struct bio *bio) +static void __btrfsic_submit_bio(struct bio *bio) { struct btrfsic_dev_state *dev_state; + int rw = bio->bi_rw; if (!btrfsic_is_initialized) return; @@ -3016,16 +3018,16 @@ leave: mutex_unlock(&btrfsic_mutex); } -void btrfsic_submit_bio(int rw, struct bio *bio) +void btrfsic_submit_bio(struct bio *bio) { - __btrfsic_submit_bio(rw, bio); - submit_bio(rw, bio); + __btrfsic_submit_bio(bio); + submit_bio(bio); } -int btrfsic_submit_bio_wait(int rw, struct bio *bio) +int btrfsic_submit_bio_wait(struct bio *bio) { - __btrfsic_submit_bio(rw, bio); - return submit_bio_wait(rw, bio); + __btrfsic_submit_bio(bio); + return submit_bio_wait(bio); } int btrfsic_mount(struct btrfs_root *root, diff --git a/fs/btrfs/check-integrity.h b/fs/btrfs/check-integrity.h index 13b8566..c04e249 100644 --- a/fs/btrfs/check-integrity.h +++ b/fs/btrfs/check-integrity.h @@ -21,8 +21,8 @@ #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY int btrfsic_submit_bh(int rw, struct buffer_head *bh); -void btrfsic_submit_bio(int rw, struct bio *bio); -int btrfsic_submit_bio_wait(int rw, struct bio *bio); +void btrfsic_submit_bio(struct bio *bio); +int btrfsic_submit_bio_wait(struct bio *bio); #else #define btrfsic_submit_bh submit_bh #define btrfsic_submit_bio submit_bio diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 6628fca..3666558 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3486,12 +3486,13 @@ static int write_dev_flush(struct btrfs_device *device, int wait) bio->bi_end_io = btrfs_end_empty_barrier; bio->bi_bdev = device->bdev; + bio->bi_rw = WRITE_FLUSH; init_completion(&device->flush_wait); bio->bi_private = &device->flush_wait; device->flush_bio = bio; bio_get(bio); - btrfsic_submit_bio(WRITE_FLUSH, bio); + btrfsic_submit_bio(bio); return 0; } diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 3cd5782..c1e6f20 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2041,9 +2041,10 @@ int repair_io_failure(struct inode *inode, u64 start, u64 length, u64 logical, return -EIO; } bio->bi_bdev = dev->bdev; + bio->bi_rw = WRITE_SYNC; bio_add_page(bio, page, length, pg_offset); - if (btrfsic_submit_bio_wait(WRITE_SYNC, bio)) { + if (btrfsic_submit_bio_wait(bio)) { /* try to remap that extent elsewhere? */ bio_put(bio); btrfs_dev_stat_inc_and_print(dev, BTRFS_DEV_STAT_WRITE_ERRS); @@ -2725,14 +2726,14 @@ static int __must_check submit_one_bio(int rw, struct bio *bio, start = page_offset(page) + bvec->bv_offset; bio->bi_private = NULL; - + bio->bi_rw = rw; bio_get(bio); if (tree->ops && tree->ops->submit_bio_hook) ret = tree->ops->submit_bio_hook(page->mapping->host, rw, bio, mirror_num, bio_flags, start); else - btrfsic_submit_bio(rw, bio); + btrfsic_submit_bio(bio); bio_put(bio); return ret; diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index f8b6d41..36d5bf7 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1320,7 +1320,9 @@ write_data: bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; - submit_bio(WRITE, bio); + bio->bi_rw = WRITE; + + submit_bio(bio); } return; @@ -1573,11 +1575,12 @@ static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_rmw_end_io; + bio->bi_rw = READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); - submit_bio(READ, bio); + submit_bio(bio); } /* the actual write will happen once the reads are done */ return 0; @@ -2097,11 +2100,12 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_recover_end_io; + bio->bi_rw = READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); - submit_bio(READ, bio); + submit_bio(bio); } out: return 0; @@ -2433,7 +2437,9 @@ submit_write: bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; - submit_bio(WRITE, bio); + bio->bi_rw = WRITE; + + submit_bio(bio); } return; @@ -2610,11 +2616,12 @@ static void raid56_parity_scrub_stripe(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid56_parity_scrub_end_io; + bio->bi_rw = READ; btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); - submit_bio(READ, bio); + submit_bio(bio); } /* the actual write will happen once the reads are done */ return; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 46d847f..44da605 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1504,8 +1504,9 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info, sblock->no_io_error_seen = 0; } else { bio->bi_iter.bi_sector = page->physical >> 9; + bio->bi_rw = READ; - if (btrfsic_submit_bio_wait(READ, bio)) + if (btrfsic_submit_bio_wait(bio)) sblock->no_io_error_seen = 0; } @@ -1583,6 +1584,7 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, return -EIO; bio->bi_bdev = page_bad->dev->bdev; bio->bi_iter.bi_sector = page_bad->physical >> 9; + bio->bi_rw = WRITE; ret = bio_add_page(bio, page_good->page, PAGE_SIZE, 0); if (PAGE_SIZE != ret) { @@ -1590,7 +1592,7 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, return -EIO; } - if (btrfsic_submit_bio_wait(WRITE, bio)) { + if (btrfsic_submit_bio_wait(bio)) { btrfs_dev_stat_inc_and_print(page_bad->dev, BTRFS_DEV_STAT_WRITE_ERRS); btrfs_dev_replace_stats_inc( @@ -1684,6 +1686,7 @@ again: bio->bi_end_io = scrub_wr_bio_end_io; bio->bi_bdev = sbio->dev->bdev; bio->bi_iter.bi_sector = sbio->physical >> 9; + bio->bi_rw = WRITE; sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical_for_dev_replace || @@ -1731,7 +1734,7 @@ static void scrub_wr_submit(struct scrub_ctx *sctx) * orders the requests before sending them to the driver which * doubled the write performance on spinning disks when measured * with Linux 3.5 */ - btrfsic_submit_bio(WRITE, sbio->bio); + btrfsic_submit_bio(sbio->bio); } static void scrub_wr_bio_end_io(struct bio *bio) @@ -2041,7 +2044,7 @@ static void scrub_submit(struct scrub_ctx *sctx) sbio = sctx->bios[sctx->curr]; sctx->curr = -1; scrub_pending_bio_inc(sctx); - btrfsic_submit_bio(READ, sbio->bio); + btrfsic_submit_bio(sbio->bio); } static int scrub_add_page_to_rd_bio(struct scrub_ctx *sctx, @@ -2088,6 +2091,7 @@ again: bio->bi_end_io = scrub_bio_end_io; bio->bi_bdev = sbio->dev->bdev; bio->bi_iter.bi_sector = sbio->physical >> 9; + bio->bi_rw = READ; sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical || @@ -4392,6 +4396,7 @@ static int write_page_nocow(struct scrub_ctx *sctx, bio->bi_iter.bi_size = 0; bio->bi_iter.bi_sector = physical_for_dev_replace >> 9; bio->bi_bdev = dev->bdev; + bio->bi_rw = WRITE_SYNC; ret = bio_add_page(bio, page, PAGE_SIZE, 0); if (ret != PAGE_SIZE) { leave_with_eio: @@ -4400,7 +4405,7 @@ leave_with_eio: return -EIO; } - if (btrfsic_submit_bio_wait(WRITE_SYNC, bio)) + if (btrfsic_submit_bio_wait(bio)) goto leave_with_eio; bio_put(bio); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index bdc6256..d549f23 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -462,7 +462,7 @@ loop_lock: sync_pending = 0; } - btrfsic_submit_bio(cur->bi_rw, cur); + btrfsic_submit_bio(cur); num_run++; batch_run++; @@ -5988,7 +5988,7 @@ static void btrfs_end_bio(struct bio *bio) */ static noinline void btrfs_schedule_bio(struct btrfs_root *root, struct btrfs_device *device, - int rw, struct bio *bio) + struct bio *bio) { int should_queue = 1; struct btrfs_pending_bios *pending_bios; @@ -5999,9 +5999,9 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, } /* don't bother with additional async steps for reads, right now */ - if (!(rw & REQ_WRITE)) { + if (!(bio->bi_rw & REQ_WRITE)) { bio_get(bio); - btrfsic_submit_bio(rw, bio); + btrfsic_submit_bio(bio); bio_put(bio); return; } @@ -6015,7 +6015,6 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, atomic_inc(&root->fs_info->nr_async_bios); WARN_ON(bio->bi_next); bio->bi_next = NULL; - bio->bi_rw |= rw; spin_lock(&device->io_lock); if (bio->bi_rw & REQ_SYNC) @@ -6049,6 +6048,7 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, btrfs_io_bio(bio)->stripe_index = dev_nr; bio->bi_end_io = btrfs_end_bio; bio->bi_iter.bi_sector = physical >> 9; + bio->bi_rw |= rw; #ifdef DEBUG { struct rcu_string *name; @@ -6067,9 +6067,9 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, btrfs_bio_counter_inc_noblocked(root->fs_info); if (async) - btrfs_schedule_bio(root, dev, rw, bio); + btrfs_schedule_bio(root, dev, bio); else - btrfsic_submit_bio(rw, bio); + btrfsic_submit_bio(bio); } static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical) diff --git a/fs/buffer.c b/fs/buffer.c index 754813a..9a55e7f 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3030,8 +3030,9 @@ static int submit_bh_wbc(int rw, struct buffer_head *bh, rw |= REQ_META; if (buffer_prio(bh)) rw |= REQ_PRIO; + bio->bi_rw = rw; - submit_bio(rw, bio); + submit_bio(bio); return 0; } diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c index 2fc8c43..5b75856 100644 --- a/fs/crypto/crypto.c +++ b/fs/crypto/crypto.c @@ -318,6 +318,7 @@ int fscrypt_zeroout_range(struct inode *inode, pgoff_t lblk, bio->bi_bdev = inode->i_sb->s_bdev; bio->bi_iter.bi_sector = pblk << (inode->i_sb->s_blocksize_bits - 9); + bio->bi_rw = WRITE; ret = bio_add_page(bio, ciphertext_page, inode->i_sb->s_blocksize, 0); if (ret != inode->i_sb->s_blocksize) { @@ -327,7 +328,7 @@ int fscrypt_zeroout_range(struct inode *inode, pgoff_t lblk, err = -EIO; goto errout; } - err = submit_bio_wait(WRITE, bio); + err = submit_bio_wait(bio); if ((err == 0) && bio->bi_error) err = -EIO; bio_put(bio); diff --git a/fs/direct-io.c b/fs/direct-io.c index f3b4408..1bcdd5d 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -375,6 +375,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio, bio->bi_bdev = bdev; bio->bi_iter.bi_sector = first_sector; + bio->bi_rw = dio->rw; if (dio->is_async) bio->bi_end_io = dio_bio_end_aio; else @@ -412,7 +413,7 @@ static inline void dio_bio_submit(struct dio *dio, struct dio_submit *sdio) sdio->logical_offset_in_bio); dio->bio_cookie = BLK_QC_T_NONE; } else - dio->bio_cookie = submit_bio(dio->rw, bio); + dio->bio_cookie = submit_bio(bio); sdio->bio = NULL; sdio->boundary = 0; diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 2a01df9..a72dbcc 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -342,7 +342,8 @@ void ext4_io_submit(struct ext4_io_submit *io) if (bio) { int io_op = io->io_wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE; - submit_bio(io_op, io->io_bio); + io->io_bio->bi_rw = io_op; + submit_bio(io->io_bio); } io->io_bio = NULL; } diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index dc54a4b..130bd45 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -271,7 +271,7 @@ int ext4_mpage_readpages(struct address_space *mapping, */ if (bio && (last_block_in_bio != blocks[0] - 1)) { submit_and_realloc: - submit_bio(READ, bio); + submit_bio(bio); bio = NULL; } if (bio == NULL) { @@ -294,6 +294,7 @@ int ext4_mpage_readpages(struct address_space *mapping, bio->bi_iter.bi_sector = blocks[0] << (blkbits - 9); bio->bi_end_io = mpage_end_io; bio->bi_private = ctx; + bio->bi_rw = READ; } length = first_hole << blkbits; @@ -303,14 +304,14 @@ int ext4_mpage_readpages(struct address_space *mapping, if (((map.m_flags & EXT4_MAP_BOUNDARY) && (relative_block == map.m_len)) || (first_hole != blocks_per_page)) { - submit_bio(READ, bio); + submit_bio(bio); bio = NULL; } else last_block_in_bio = blocks[blocks_per_page - 1]; goto next_page; confused: if (bio) { - submit_bio(READ, bio); + submit_bio(bio); bio = NULL; } if (!PageUptodate(page)) @@ -323,6 +324,6 @@ int ext4_mpage_readpages(struct address_space *mapping, } BUG_ON(pages && !list_empty(pages)); if (bio) - submit_bio(READ, bio); + submit_bio(bio); return 0; } diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 9a8bbc1..c595c8f 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -102,7 +102,8 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi, int rw, { if (!is_read_io(rw)) atomic_inc(&sbi->nr_wb_bios); - submit_bio(rw, bio); + bio->bi_rw = rw; + submit_bio(bio); } static void __submit_merged_bio(struct f2fs_bio_info *io) @@ -1080,6 +1081,7 @@ submit_and_realloc: bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(block_nr); bio->bi_end_io = f2fs_read_end_io; bio->bi_private = ctx; + bio->bi_rw = READ; } if (bio_add_page(bio, page, blocksize, 0) < blocksize) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 2e6f537..3fe2fab 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -406,7 +406,8 @@ repeat: fcc->dispatch_list = llist_reverse_order(fcc->dispatch_list); bio->bi_bdev = sbi->sb->s_bdev; - ret = submit_bio_wait(WRITE_FLUSH, bio); + bio->bi_rw = WRITE_FLUSH; + ret = submit_bio_wait(bio); llist_for_each_entry_safe(cmd, next, fcc->dispatch_list, llnode) { @@ -438,7 +439,8 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi) int ret; bio->bi_bdev = sbi->sb->s_bdev; - ret = submit_bio_wait(WRITE_FLUSH, bio); + bio->bi_rw = WRITE_FLUSH; + ret = submit_bio_wait(bio); bio_put(bio); return ret; } diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index d5369a1..ce28242 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -240,7 +240,8 @@ void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int rw) { if (sdp->sd_log_bio) { atomic_inc(&sdp->sd_log_in_flight); - submit_bio(rw, sdp->sd_log_bio); + sdp->sd_log_bio->bi_rw = rw; + submit_bio(sdp->sd_log_bio); sdp->sd_log_bio = NULL; } } diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 8eaadab..66670e1 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -230,7 +230,8 @@ static void gfs2_submit_bhs(int rw, struct buffer_head *bhs[], int num) bio_add_page(bio, bh->b_page, bh->b_size, bh_offset(bh)); } bio->bi_end_io = gfs2_meta_read_endio; - submit_bio(rw, bio); + bio->bi_rw = rw; + submit_bio(bio); } /** diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 4546360..d9e19f6 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -246,7 +246,8 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent) bio->bi_end_io = end_bio_io_page; bio->bi_private = page; - submit_bio(READ_SYNC | REQ_META, bio); + bio->bi_rw = READ_SYNC | REQ_META; + submit_bio(bio); wait_on_page_locked(page); bio_put(bio); if (!PageUptodate(page)) { diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index cc62356..d026bb3 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -65,6 +65,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, bio = bio_alloc(GFP_NOIO, 1); bio->bi_iter.bi_sector = sector; bio->bi_bdev = sb->s_bdev; + bio->bi_rw = rw; if (!(rw & WRITE) && data) *data = (u8 *)buf + offset; @@ -83,7 +84,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, buf = (u8 *)buf + len; } - ret = submit_bio_wait(rw, bio); + ret = submit_bio_wait(bio); out: bio_put(bio); return ret < 0 ? ret : 0; diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 63759d7..3ee3f32 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -2002,12 +2002,13 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp) bio->bi_end_io = lbmIODone; bio->bi_private = bp; + bio->bi_rw = READ_SYNC; /*check if journaling to disk has been disabled*/ if (log->no_integrity) { bio->bi_iter.bi_size = 0; lbmIODone(bio); } else { - submit_bio(READ_SYNC, bio); + submit_bio(bio); } wait_event(bp->l_ioevent, (bp->l_flag != lbmREAD)); @@ -2145,13 +2146,14 @@ static void lbmStartIO(struct lbuf * bp) bio->bi_end_io = lbmIODone; bio->bi_private = bp; + bio->bi_rw = WRITE_SYNC; /* check if journaling to disk has been disabled */ if (log->no_integrity) { bio->bi_iter.bi_size = 0; lbmIODone(bio); } else { - submit_bio(WRITE_SYNC, bio); + submit_bio(bio); INCREMENT(lmStat.submitted); } } diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index b60e015..9725443 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -411,7 +411,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) inc_io(page); if (!bio->bi_iter.bi_size) goto dump_bio; - submit_bio(WRITE, bio); + submit_bio(bio); nr_underway++; bio = NULL; } else @@ -434,6 +434,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) bio->bi_iter.bi_sector = pblock << (inode->i_blkbits - 9); bio->bi_end_io = metapage_write_end_io; bio->bi_private = page; + bio->bi_rw = WRITE; /* Don't call bio_add_page yet, we may add to this vec */ bio_offset = offset; @@ -448,7 +449,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) if (!bio->bi_iter.bi_size) goto dump_bio; - submit_bio(WRITE, bio); + submit_bio(bio); nr_underway++; } if (redirty) @@ -506,7 +507,7 @@ static int metapage_readpage(struct file *fp, struct page *page) insert_metapage(page, NULL); inc_io(page); if (bio) - submit_bio(READ, bio); + submit_bio(bio); bio = bio_alloc(GFP_NOFS, 1); bio->bi_bdev = inode->i_sb->s_bdev; @@ -514,6 +515,7 @@ static int metapage_readpage(struct file *fp, struct page *page) pblock << (inode->i_blkbits - 9); bio->bi_end_io = metapage_read_end_io; bio->bi_private = page; + bio->bi_rw = READ; len = xlen << inode->i_blkbits; offset = block_offset << inode->i_blkbits; if (bio_add_page(bio, page, len, offset) < len) @@ -523,7 +525,7 @@ static int metapage_readpage(struct file *fp, struct page *page) block_offset++; } if (bio) - submit_bio(READ, bio); + submit_bio(bio); else unlock_page(page); diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c index cc26f8f..29704bd 100644 --- a/fs/logfs/dev_bdev.c +++ b/fs/logfs/dev_bdev.c @@ -29,8 +29,9 @@ static int sync_request(struct page *page, struct block_device *bdev, int rw) bio.bi_bdev = bdev; bio.bi_iter.bi_sector = page->index * (PAGE_SIZE >> 9); bio.bi_iter.bi_size = PAGE_SIZE; + bio.bi_rw = rw; - return submit_bio_wait(rw, &bio); + return submit_bio_wait(&bio); } static int bdev_readpage(void *_sb, struct page *page) @@ -95,8 +96,9 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = writeseg_end_io; + bio->bi_rw = WRITE; atomic_inc(&super->s_pending_writes); - submit_bio(WRITE, bio); + submit_bio(bio); ofs += i * PAGE_SIZE; index += i; @@ -122,8 +124,9 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = writeseg_end_io; + bio->bi_rw = WRITE; atomic_inc(&super->s_pending_writes); - submit_bio(WRITE, bio); + submit_bio(bio); return 0; } @@ -185,8 +188,9 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = erase_end_io; + bio->bi_rw = WRITE; atomic_inc(&super->s_pending_writes); - submit_bio(WRITE, bio); + submit_bio(bio); ofs += i * PAGE_SIZE; index += i; @@ -206,8 +210,9 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = erase_end_io; + bio->bi_rw = WRITE; atomic_inc(&super->s_pending_writes); - submit_bio(WRITE, bio); + submit_bio(bio); return 0; } diff --git a/fs/mpage.c b/fs/mpage.c index eedc644..2c251ec 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -59,8 +59,9 @@ static void mpage_end_io(struct bio *bio) static struct bio *mpage_bio_submit(int rw, struct bio *bio) { bio->bi_end_io = mpage_end_io; + bio->bi_rw = rw; guard_bio_eod(rw, bio); - submit_bio(rw, bio); + submit_bio(bio); return NULL; } diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 17a42e4..4c79f4d 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -102,14 +102,15 @@ static inline void put_parallel(struct parallel_io *p) } static struct bio * -bl_submit_bio(int rw, struct bio *bio) +bl_submit_bio(struct bio *bio) { if (bio) { get_parallel(bio->bi_private); dprintk("%s submitting %s bio %u@%llu\n", __func__, - rw == READ ? "read" : "write", bio->bi_iter.bi_size, + bio->bi_rw == READ ? "read" : "write", + bio->bi_iter.bi_size, (unsigned long long)bio->bi_iter.bi_sector); - submit_bio(rw, bio); + submit_bio(bio); } return NULL; } @@ -158,7 +159,7 @@ do_add_page_to_bio(struct bio *bio, int npg, int rw, sector_t isect, if (disk_addr < map->start || disk_addr >= map->start + map->len) { if (!dev->map(dev, disk_addr, map)) return ERR_PTR(-EIO); - bio = bl_submit_bio(rw, bio); + bio = bl_submit_bio(bio); } disk_addr += map->disk_offset; disk_addr -= map->start; @@ -174,9 +175,10 @@ retry: disk_addr >> SECTOR_SHIFT, end_io, par); if (!bio) return ERR_PTR(-ENOMEM); + bio->bi_rw = rw; } if (bio_add_page(bio, page, *len, offset) < *len) { - bio = bl_submit_bio(rw, bio); + bio = bl_submit_bio(bio); goto retry; } return bio; @@ -252,7 +254,7 @@ bl_read_pagelist(struct nfs_pgio_header *header) for (i = pg_index; i < header->page_array.npages; i++) { if (extent_length <= 0) { /* We've used up the previous extent */ - bio = bl_submit_bio(READ, bio); + bio = bl_submit_bio(bio); /* Get the next one */ if (!ext_tree_lookup(bl, isect, &be, false)) { @@ -273,7 +275,7 @@ bl_read_pagelist(struct nfs_pgio_header *header) } if (is_hole(&be)) { - bio = bl_submit_bio(READ, bio); + bio = bl_submit_bio(bio); /* Fill hole w/ zeroes w/o accessing device */ dprintk("%s Zeroing page for hole\n", __func__); zero_user_segment(pages[i], pg_offset, pg_len); @@ -306,7 +308,7 @@ bl_read_pagelist(struct nfs_pgio_header *header) header->res.count = (isect << SECTOR_SHIFT) - header->args.offset; } out: - bl_submit_bio(READ, bio); + bl_submit_bio(bio); blk_finish_plug(&plug); put_parallel(par); return PNFS_ATTEMPTED; @@ -398,7 +400,7 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync) for (i = pg_index; i < header->page_array.npages; i++) { if (extent_length <= 0) { /* We've used up the previous extent */ - bio = bl_submit_bio(WRITE, bio); + bio = bl_submit_bio(bio); /* Get the next one */ if (!ext_tree_lookup(bl, isect, &be, true)) { header->pnfs_error = -EINVAL; @@ -427,7 +429,7 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync) header->res.count = header->args.count; out: - bl_submit_bio(WRITE, bio); + bl_submit_bio(bio); blk_finish_plug(&plug); put_parallel(par); return PNFS_ATTEMPTED; diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index bf36df1..0f62909 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -364,7 +364,8 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf, bio->bi_end_io = nilfs_end_bio_write; bio->bi_private = segbuf; - submit_bio(mode, bio); + bio->bi_rw = mode; + submit_bio(bio); segbuf->sb_nbio++; wi->bio = NULL; diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 6aaf3e3..8b1d86e 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -530,7 +530,7 @@ static void o2hb_bio_end_io(struct bio *bio) static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, struct o2hb_bio_wait_ctxt *wc, unsigned int *current_slot, - unsigned int max_slots) + unsigned int max_slots, int rw) { int len, current_page; unsigned int vec_len, vec_start; @@ -556,6 +556,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, bio->bi_bdev = reg->hr_bdev; bio->bi_private = wc; bio->bi_end_io = o2hb_bio_end_io; + bio->bi_rw = rw; vec_start = (cs << bits) % PAGE_SIZE; while(cs < max_slots) { @@ -591,7 +592,8 @@ static int o2hb_read_slots(struct o2hb_region *reg, o2hb_bio_wait_init(&wc); while(current_slot < max_slots) { - bio = o2hb_setup_one_bio(reg, &wc, ¤t_slot, max_slots); + bio = o2hb_setup_one_bio(reg, &wc, ¤t_slot, max_slots, + READ); if (IS_ERR(bio)) { status = PTR_ERR(bio); mlog_errno(status); @@ -599,7 +601,7 @@ static int o2hb_read_slots(struct o2hb_region *reg, } atomic_inc(&wc.wc_num_reqs); - submit_bio(READ, bio); + submit_bio(bio); } status = 0; @@ -623,7 +625,7 @@ static int o2hb_issue_node_write(struct o2hb_region *reg, slot = o2nm_this_node(); - bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1); + bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1, WRITE_SYNC); if (IS_ERR(bio)) { status = PTR_ERR(bio); mlog_errno(status); @@ -631,7 +633,7 @@ static int o2hb_issue_node_write(struct o2hb_region *reg, } atomic_inc(&write_wc->wc_num_reqs); - submit_bio(WRITE_SYNC, bio); + submit_bio(bio); status = 0; bail: diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 4c463b9..0cd1603 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -438,7 +438,10 @@ xfs_submit_ioend( ioend->io_bio->bi_private = ioend; ioend->io_bio->bi_end_io = xfs_end_bio; - + if (wbc->sync_mode == WB_SYNC_ALL) + ioend->io_bio->bi_rw = WRITE_SYNC; + else + ioend->io_bio->bi_rw = WRITE; /* * If we are failing the IO now, just mark the ioend with an * error and finish it. This will run IO completion immediately @@ -451,8 +454,7 @@ xfs_submit_ioend( return status; } - submit_bio(wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE, - ioend->io_bio); + submit_bio(ioend->io_bio); return 0; } @@ -510,8 +512,11 @@ xfs_chain_bio( bio_chain(ioend->io_bio, new); bio_get(ioend->io_bio); /* for xfs_destroy_ioend */ - submit_bio(wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE, - ioend->io_bio); + if (wbc->sync_mode == WB_SYNC_ALL) + ioend->io_bio->bi_rw = WRITE_SYNC; + else + ioend->io_bio->bi_rw = WRITE; + submit_bio(ioend->io_bio); ioend->io_bio = new; } diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index e71cfbd..0777c67 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1166,7 +1166,7 @@ next_chunk: bio->bi_iter.bi_sector = sector; bio->bi_end_io = xfs_buf_bio_end_io; bio->bi_private = bp; - + bio->bi_rw = rw; for (; size && nr_pages; nr_pages--, page_index++) { int rbytes, nbytes = PAGE_SIZE - offset; @@ -1190,7 +1190,7 @@ next_chunk: flush_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp)); } - submit_bio(rw, bio); + submit_bio(bio); if (size) goto next_chunk; } else { diff --git a/include/linux/bio.h b/include/linux/bio.h index 9faebf7..3bde942 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -473,7 +473,7 @@ static inline void bio_io_error(struct bio *bio) struct request_queue; extern int bio_phys_segments(struct request_queue *, struct bio *); -extern int submit_bio_wait(int rw, struct bio *bio); +extern int submit_bio_wait(struct bio *bio); extern void bio_advance(struct bio *, unsigned); extern void bio_init(struct bio *); diff --git a/include/linux/fs.h b/include/linux/fs.h index dd28814..65e4c51 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2747,7 +2747,7 @@ static inline void remove_inode_hash(struct inode *inode) extern void inode_sb_list_add(struct inode *inode); #ifdef CONFIG_BLOCK -extern blk_qc_t submit_bio(int, struct bio *); +extern blk_qc_t submit_bio(struct bio *); extern int bdev_read_only(struct block_device *); #endif extern int set_blocksize(struct block_device *, int); diff --git a/kernel/power/swap.c b/kernel/power/swap.c index 160e100..be227f5 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -271,6 +271,7 @@ static int hib_submit_io(int rw, pgoff_t page_off, void *addr, bio = bio_alloc(__GFP_RECLAIM | __GFP_HIGH, 1); bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9); bio->bi_bdev = hib_resume_bdev; + bio->bi_rw = rw; if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) { printk(KERN_ERR "PM: Adding page to bio failed at %llu\n", @@ -283,9 +284,9 @@ static int hib_submit_io(int rw, pgoff_t page_off, void *addr, bio->bi_end_io = hib_end_io; bio->bi_private = hb; atomic_inc(&hb->count); - submit_bio(rw, bio); + submit_bio(bio); } else { - error = submit_bio_wait(rw, bio); + error = submit_bio_wait(bio); bio_put(bio); } diff --git a/mm/page_io.c b/mm/page_io.c index 242dba0..5a5fd66 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -259,7 +259,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, bio_end_io_t end_write_func) { struct bio *bio; - int ret, rw = WRITE; + int ret; struct swap_info_struct *sis = page_swap_info(page); if (sis->flags & SWP_FILE) { @@ -317,12 +317,13 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, ret = -ENOMEM; goto out; } + bio->bi_rw = WRITE; if (wbc->sync_mode == WB_SYNC_ALL) - rw |= REQ_SYNC; + bio->bi_rw |= REQ_SYNC; count_vm_event(PSWPOUT); set_page_writeback(page); unlock_page(page); - submit_bio(rw, bio); + submit_bio(bio); out: return ret; } @@ -369,8 +370,9 @@ int swap_readpage(struct page *page) ret = -ENOMEM; goto out; } + bio->bi_rw = READ; count_vm_event(PSWPIN); - submit_bio(READ, bio); + submit_bio(bio); out: return ret; } -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5A7657CA1 for ; Sun, 5 Jun 2016 14:32:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2F0D8304043 for ; Sun, 5 Jun 2016 12:32:46 -0700 (PDT) X-ASG-Debug-ID: 1465155164-04cb6c2dbcb58da0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 67tLHsEWnioan9yg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:45 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6501FC06C9CB; Sun, 5 Jun 2016 19:32:44 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9C003130; Sun, 5 Jun 2016 15:32:42 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 05/45] block, drivers, cgroup: use op_is_write helper instead of checking for REQ_WRITE Date: Sun, 5 Jun 2016 14:31:45 -0500 X-ASG-Orig-Subj: [PATCH 05/45] block, drivers, cgroup: use op_is_write helper instead of checking for REQ_WRITE Message-Id: <1465155145-10812-6-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Sun, 05 Jun 2016 19:32:44 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155165 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5573 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie We currently set REQ_WRITE/WRITE for all non READ IOs like discard, flush, writesame, etc. In the next patches where we no longer set up the op as a bitmap, we will not be able to detect a operation direction like writesame by testing if REQ_WRITE is set. This patch converts the drivers and cgroup to use the op_is_write helper. This should just cover the simple cases. I did dm, md and bcache in their own patches because they were more involved. Signed-off-by: Mike Christie --- block/blk-core.c | 4 ++-- block/blk-merge.c | 2 +- drivers/ata/libata-scsi.c | 2 +- drivers/block/loop.c | 6 +++--- drivers/block/umem.c | 2 +- drivers/scsi/osd/osd_initiator.c | 4 ++-- include/linux/blk-cgroup.h | 2 +- 7 files changed, 11 insertions(+), 11 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index e953407..e8e5865 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2115,7 +2115,7 @@ blk_qc_t submit_bio(struct bio *bio) else count = bio_sectors(bio); - if (bio->bi_rw & WRITE) { + if (op_is_write(bio_op(bio))) { count_vm_events(PGPGOUT, count); } else { task_io_account_read(bio->bi_iter.bi_size); @@ -2126,7 +2126,7 @@ blk_qc_t submit_bio(struct bio *bio) char b[BDEVNAME_SIZE]; printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n", current->comm, task_pid_nr(current), - (bio->bi_rw & WRITE) ? "WRITE" : "READ", + op_is_write(bio_op(bio)) ? "WRITE" : "READ", (unsigned long long)bio->bi_iter.bi_sector, bdevname(bio->bi_bdev, b), count); diff --git a/block/blk-merge.c b/block/blk-merge.c index 2613531..b198070 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -439,7 +439,7 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq, } if (q->dma_drain_size && q->dma_drain_needed(rq)) { - if (rq->cmd_flags & REQ_WRITE) + if (op_is_write(req_op(rq))) memset(q->dma_drain_buffer, 0, q->dma_drain_size); sg_unmark_end(sg); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index bfec66f..4c6eb22 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1190,7 +1190,7 @@ static int atapi_drain_needed(struct request *rq) if (likely(rq->cmd_type != REQ_TYPE_BLOCK_PC)) return 0; - if (!blk_rq_bytes(rq) || (rq->cmd_flags & REQ_WRITE)) + if (!blk_rq_bytes(rq) || op_is_write(req_op(rq))) return 0; return atapi_cmd_type(rq->cmd[0]) == ATAPI_MISC; diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 1fa8cc2..e9f1701 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -447,7 +447,7 @@ static int lo_req_flush(struct loop_device *lo, struct request *rq) static inline void handle_partial_read(struct loop_cmd *cmd, long bytes) { - if (bytes < 0 || (cmd->rq->cmd_flags & REQ_WRITE)) + if (bytes < 0 || op_is_write(req_op(cmd->rq))) return; if (unlikely(bytes < blk_rq_bytes(cmd->rq))) { @@ -541,7 +541,7 @@ static int do_req_filebacked(struct loop_device *lo, struct request *rq) pos = ((loff_t) blk_rq_pos(rq) << 9) + lo->lo_offset; - if (rq->cmd_flags & REQ_WRITE) { + if (op_is_write(req_op(rq))) { if (rq->cmd_flags & REQ_FLUSH) ret = lo_req_flush(lo, rq); else if (rq->cmd_flags & REQ_DISCARD) @@ -1672,7 +1672,7 @@ static int loop_queue_rq(struct blk_mq_hw_ctx *hctx, static void loop_handle_cmd(struct loop_cmd *cmd) { - const bool write = cmd->rq->cmd_flags & REQ_WRITE; + const bool write = op_is_write(req_op(cmd->rq)); struct loop_device *lo = cmd->rq->q->queuedata; int ret = 0; diff --git a/drivers/block/umem.c b/drivers/block/umem.c index 7939b9f..4b3ba74 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -462,7 +462,7 @@ static void process_page(unsigned long data) le32_to_cpu(desc->local_addr)>>9, le32_to_cpu(desc->transfer_size)); dump_dmastat(card, control); - } else if ((bio->bi_rw & REQ_WRITE) && + } else if (op_is_write(bio_op(bio)) && le32_to_cpu(desc->local_addr) >> 9 == card->init_size) { card->init_size += le32_to_cpu(desc->transfer_size) >> 9; diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 3b11aad..14ed39b 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -824,7 +824,7 @@ void osd_req_write(struct osd_request *or, { _osd_req_encode_common(or, OSD_ACT_WRITE, obj, offset, len); WARN_ON(or->out.bio || or->out.total_bytes); - WARN_ON(0 == (bio->bi_rw & REQ_WRITE)); + WARN_ON(!op_is_write(bio_op(bio))); or->out.bio = bio; or->out.total_bytes = len; } @@ -875,7 +875,7 @@ void osd_req_read(struct osd_request *or, { _osd_req_encode_common(or, OSD_ACT_READ, obj, offset, len); WARN_ON(or->in.bio || or->in.total_bytes); - WARN_ON(bio->bi_rw & REQ_WRITE); + WARN_ON(op_is_write(bio_op(bio))); or->in.bio = bio; or->in.total_bytes = len; } diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index c02e669..04f9c8d 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -601,7 +601,7 @@ static inline void blkg_rwstat_add(struct blkg_rwstat *rwstat, { struct percpu_counter *cnt; - if (rw & REQ_WRITE) + if (op_is_write(rw)) cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_WRITE]; else cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_READ]; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AC2D87CA0 for ; Sun, 5 Jun 2016 14:32:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 158ECAC007 for ; Sun, 5 Jun 2016 12:32:43 -0700 (PDT) X-ASG-Debug-ID: 1465155160-04cb6c2dbbb58d90001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 6Dyl0hdelUzPVusN (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:40 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D1F9F78234; Sun, 5 Jun 2016 19:32:39 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9A003130; Sun, 5 Jun 2016 15:32:37 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 03/45] fs: have submit_bh users pass in op and flags separately Date: Sun, 5 Jun 2016 14:31:43 -0500 X-ASG-Orig-Subj: [PATCH 03/45] fs: have submit_bh users pass in op and flags separately Message-Id: <1465155145-10812-4-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Sun, 05 Jun 2016 19:32:39 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155160 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 31782 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This has submit_bh users pass in the operation and flags separately, so submit_bh_wbc can setup the bio op and bi_rw flags on the bio that is submitted. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- drivers/md/bitmap.c | 4 ++-- fs/btrfs/check-integrity.c | 24 ++++++++++---------- fs/btrfs/check-integrity.h | 2 +- fs/btrfs/disk-io.c | 4 ++-- fs/buffer.c | 53 +++++++++++++++++++++++---------------------- fs/ext4/balloc.c | 2 +- fs/ext4/ialloc.c | 2 +- fs/ext4/inode.c | 2 +- fs/ext4/mmp.c | 4 ++-- fs/fat/misc.c | 2 +- fs/gfs2/bmap.c | 2 +- fs/gfs2/dir.c | 2 +- fs/gfs2/meta_io.c | 6 ++--- fs/jbd2/commit.c | 6 ++--- fs/jbd2/journal.c | 8 +++---- fs/nilfs2/btnode.c | 6 ++--- fs/nilfs2/btnode.h | 2 +- fs/nilfs2/btree.c | 6 +++-- fs/nilfs2/gcinode.c | 5 +++-- fs/nilfs2/mdt.c | 11 +++++----- fs/ntfs/aops.c | 6 ++--- fs/ntfs/compress.c | 2 +- fs/ntfs/file.c | 2 +- fs/ntfs/logfile.c | 2 +- fs/ntfs/mft.c | 4 ++-- fs/ocfs2/buffer_head_io.c | 8 +++---- fs/reiserfs/inode.c | 4 ++-- fs/reiserfs/journal.c | 6 ++--- fs/ufs/util.c | 2 +- include/linux/buffer_head.h | 9 ++++---- 30 files changed, 102 insertions(+), 96 deletions(-) diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index d8129ec..bc6dced 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -297,7 +297,7 @@ static void write_page(struct bitmap *bitmap, struct page *page, int wait) atomic_inc(&bitmap->pending_writes); set_buffer_locked(bh); set_buffer_mapped(bh); - submit_bh(WRITE | REQ_SYNC, bh); + submit_bh(REQ_OP_WRITE, REQ_SYNC, bh); bh = bh->b_this_page; } @@ -392,7 +392,7 @@ static int read_page(struct file *file, unsigned long index, atomic_inc(&bitmap->pending_writes); set_buffer_locked(bh); set_buffer_mapped(bh); - submit_bh(READ, bh); + submit_bh(REQ_OP_READ, 0, bh); } block++; bh = bh->b_this_page; diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 50f8191..0d3748b 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -2856,12 +2856,12 @@ static struct btrfsic_dev_state *btrfsic_dev_state_lookup( return ds; } -int btrfsic_submit_bh(int rw, struct buffer_head *bh) +int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) { struct btrfsic_dev_state *dev_state; if (!btrfsic_is_initialized) - return submit_bh(rw, bh); + return submit_bh(op, op_flags, bh); mutex_lock(&btrfsic_mutex); /* since btrfsic_submit_bh() might also be called before @@ -2870,26 +2870,26 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh) /* Only called to write the superblock (incl. FLUSH/FUA) */ if (NULL != dev_state && - (rw & WRITE) && bh->b_size > 0) { + (op == REQ_OP_WRITE) && bh->b_size > 0) { u64 dev_bytenr; dev_bytenr = 4096 * bh->b_blocknr; if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO - "submit_bh(rw=0x%x, blocknr=%llu (bytenr %llu)," - " size=%zu, data=%p, bdev=%p)\n", - rw, (unsigned long long)bh->b_blocknr, + "submit_bh(op=0x%x,0x%x, blocknr=%llu " + "(bytenr %llu), size=%zu, data=%p, bdev=%p)\n", + op, op_flags, (unsigned long long)bh->b_blocknr, dev_bytenr, bh->b_size, bh->b_data, bh->b_bdev); btrfsic_process_written_block(dev_state, dev_bytenr, &bh->b_data, 1, NULL, - NULL, bh, rw); - } else if (NULL != dev_state && (rw & REQ_FLUSH)) { + NULL, bh, op_flags); + } else if (NULL != dev_state && (op_flags & REQ_FLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO - "submit_bh(rw=0x%x FLUSH, bdev=%p)\n", - rw, bh->b_bdev); + "submit_bh(op=0x%x,0x%x FLUSH, bdev=%p)\n", + op, op_flags, bh->b_bdev); if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) { if ((dev_state->state->print_mask & (BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH | @@ -2907,7 +2907,7 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh) block->never_written = 0; block->iodone_w_error = 0; block->flush_gen = dev_state->last_flush_gen + 1; - block->submit_bio_bh_rw = rw; + block->submit_bio_bh_rw = op_flags; block->orig_bio_bh_private = bh->b_private; block->orig_bio_bh_end_io.bh = bh->b_end_io; block->next_in_same_bio = NULL; @@ -2916,7 +2916,7 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh) } } mutex_unlock(&btrfsic_mutex); - return submit_bh(rw, bh); + return submit_bh(op, op_flags, bh); } static void __btrfsic_submit_bio(struct bio *bio) diff --git a/fs/btrfs/check-integrity.h b/fs/btrfs/check-integrity.h index c04e249..f78dff1 100644 --- a/fs/btrfs/check-integrity.h +++ b/fs/btrfs/check-integrity.h @@ -20,7 +20,7 @@ #define __BTRFS_CHECK_INTEGRITY__ #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY -int btrfsic_submit_bh(int rw, struct buffer_head *bh); +int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh); void btrfsic_submit_bio(struct bio *bio); int btrfsic_submit_bio_wait(struct bio *bio); #else diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 3666558..11033ce 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3420,9 +3420,9 @@ static int write_dev_supers(struct btrfs_device *device, * to go down lazy. */ if (i == 0) - ret = btrfsic_submit_bh(WRITE_FUA, bh); + ret = btrfsic_submit_bh(REQ_OP_WRITE, WRITE_FUA, bh); else - ret = btrfsic_submit_bh(WRITE_SYNC, bh); + ret = btrfsic_submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh); if (ret) errors++; } diff --git a/fs/buffer.c b/fs/buffer.c index 9a55e7f..881d336 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -45,7 +45,7 @@ #include static int fsync_buffers_list(spinlock_t *lock, struct list_head *list); -static int submit_bh_wbc(int rw, struct buffer_head *bh, +static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, unsigned long bio_flags, struct writeback_control *wbc); @@ -1225,7 +1225,7 @@ static struct buffer_head *__bread_slow(struct buffer_head *bh) } else { get_bh(bh); bh->b_end_io = end_buffer_read_sync; - submit_bh(READ, bh); + submit_bh(REQ_OP_READ, 0, bh); wait_on_buffer(bh); if (buffer_uptodate(bh)) return bh; @@ -1697,7 +1697,7 @@ static int __block_write_full_page(struct inode *inode, struct page *page, struct buffer_head *bh, *head; unsigned int blocksize, bbits; int nr_underway = 0; - int write_op = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE); + int write_flags = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : 0); head = create_page_buffers(page, inode, (1 << BH_Dirty)|(1 << BH_Uptodate)); @@ -1786,7 +1786,7 @@ static int __block_write_full_page(struct inode *inode, struct page *page, do { struct buffer_head *next = bh->b_this_page; if (buffer_async_write(bh)) { - submit_bh_wbc(write_op, bh, 0, wbc); + submit_bh_wbc(REQ_OP_WRITE, write_flags, bh, 0, wbc); nr_underway++; } bh = next; @@ -1840,7 +1840,7 @@ recover: struct buffer_head *next = bh->b_this_page; if (buffer_async_write(bh)) { clear_buffer_dirty(bh); - submit_bh_wbc(write_op, bh, 0, wbc); + submit_bh_wbc(REQ_OP_WRITE, write_flags, bh, 0, wbc); nr_underway++; } bh = next; @@ -2248,7 +2248,7 @@ int block_read_full_page(struct page *page, get_block_t *get_block) if (buffer_uptodate(bh)) end_buffer_async_read(bh, 1); else - submit_bh(READ, bh); + submit_bh(REQ_OP_READ, 0, bh); } return 0; } @@ -2582,7 +2582,7 @@ int nobh_write_begin(struct address_space *mapping, if (block_start < from || block_end > to) { lock_buffer(bh); bh->b_end_io = end_buffer_read_nobh; - submit_bh(READ, bh); + submit_bh(REQ_OP_READ, 0, bh); nr_reads++; } } @@ -2949,7 +2949,7 @@ static void end_bio_bh_io_sync(struct bio *bio) * errors, this only handles the "we need to be able to * do IO at the final sector" case. */ -void guard_bio_eod(int rw, struct bio *bio) +void guard_bio_eod(int op, struct bio *bio) { sector_t maxsector; struct bio_vec *bvec = &bio->bi_io_vec[bio->bi_vcnt - 1]; @@ -2979,13 +2979,13 @@ void guard_bio_eod(int rw, struct bio *bio) bvec->bv_len -= truncated_bytes; /* ..and clear the end of the buffer for reads */ - if ((rw & RW_MASK) == READ) { + if (op == REQ_OP_READ) { zero_user(bvec->bv_page, bvec->bv_offset + bvec->bv_len, truncated_bytes); } } -static int submit_bh_wbc(int rw, struct buffer_head *bh, +static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, unsigned long bio_flags, struct writeback_control *wbc) { struct bio *bio; @@ -2999,7 +2999,7 @@ static int submit_bh_wbc(int rw, struct buffer_head *bh, /* * Only clear out a write error when rewriting */ - if (test_set_buffer_req(bh) && (rw & WRITE)) + if (test_set_buffer_req(bh) && (op == REQ_OP_WRITE)) clear_buffer_write_io_error(bh); /* @@ -3024,27 +3024,28 @@ static int submit_bh_wbc(int rw, struct buffer_head *bh, bio->bi_flags |= bio_flags; /* Take care of bh's that straddle the end of the device */ - guard_bio_eod(rw, bio); + guard_bio_eod(op, bio); if (buffer_meta(bh)) - rw |= REQ_META; + op_flags |= REQ_META; if (buffer_prio(bh)) - rw |= REQ_PRIO; - bio->bi_rw = rw; + op_flags |= REQ_PRIO; + bio_set_op_attrs(bio, op, op_flags); submit_bio(bio); return 0; } -int _submit_bh(int rw, struct buffer_head *bh, unsigned long bio_flags) +int _submit_bh(int op, int op_flags, struct buffer_head *bh, + unsigned long bio_flags) { - return submit_bh_wbc(rw, bh, bio_flags, NULL); + return submit_bh_wbc(op, op_flags, bh, bio_flags, NULL); } EXPORT_SYMBOL_GPL(_submit_bh); -int submit_bh(int rw, struct buffer_head *bh) +int submit_bh(int op, int op_flags, struct buffer_head *bh) { - return submit_bh_wbc(rw, bh, 0, NULL); + return submit_bh_wbc(op, op_flags, bh, 0, NULL); } EXPORT_SYMBOL(submit_bh); @@ -3086,14 +3087,14 @@ void ll_rw_block(int rw, int nr, struct buffer_head *bhs[]) if (test_clear_buffer_dirty(bh)) { bh->b_end_io = end_buffer_write_sync; get_bh(bh); - submit_bh(WRITE, bh); + submit_bh(rw, 0, bh); continue; } } else { if (!buffer_uptodate(bh)) { bh->b_end_io = end_buffer_read_sync; get_bh(bh); - submit_bh(rw, bh); + submit_bh(rw, 0, bh); continue; } } @@ -3102,7 +3103,7 @@ void ll_rw_block(int rw, int nr, struct buffer_head *bhs[]) } EXPORT_SYMBOL(ll_rw_block); -void write_dirty_buffer(struct buffer_head *bh, int rw) +void write_dirty_buffer(struct buffer_head *bh, int op_flags) { lock_buffer(bh); if (!test_clear_buffer_dirty(bh)) { @@ -3111,7 +3112,7 @@ void write_dirty_buffer(struct buffer_head *bh, int rw) } bh->b_end_io = end_buffer_write_sync; get_bh(bh); - submit_bh(rw, bh); + submit_bh(REQ_OP_WRITE, op_flags, bh); } EXPORT_SYMBOL(write_dirty_buffer); @@ -3120,7 +3121,7 @@ EXPORT_SYMBOL(write_dirty_buffer); * and then start new I/O and then wait upon it. The caller must have a ref on * the buffer_head. */ -int __sync_dirty_buffer(struct buffer_head *bh, int rw) +int __sync_dirty_buffer(struct buffer_head *bh, int op_flags) { int ret = 0; @@ -3129,7 +3130,7 @@ int __sync_dirty_buffer(struct buffer_head *bh, int rw) if (test_clear_buffer_dirty(bh)) { get_bh(bh); bh->b_end_io = end_buffer_write_sync; - ret = submit_bh(rw, bh); + ret = submit_bh(REQ_OP_WRITE, op_flags, bh); wait_on_buffer(bh); if (!ret && !buffer_uptodate(bh)) ret = -EIO; @@ -3392,7 +3393,7 @@ int bh_submit_read(struct buffer_head *bh) get_bh(bh); bh->b_end_io = end_buffer_read_sync; - submit_bh(READ, bh); + submit_bh(REQ_OP_READ, 0, bh); wait_on_buffer(bh); if (buffer_uptodate(bh)) return 0; diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 3020fd7..a806b58 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -470,7 +470,7 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group) trace_ext4_read_block_bitmap_load(sb, block_group); bh->b_end_io = ext4_end_bitmap_read; get_bh(bh); - submit_bh(READ | REQ_META | REQ_PRIO, bh); + submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, bh); return bh; verify: err = ext4_validate_block_bitmap(sb, desc, block_group, bh); diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 3da4cf8..1e4b0b7 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -214,7 +214,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group) trace_ext4_load_inode_bitmap(sb, block_group); bh->b_end_io = ext4_end_bitmap_read; get_bh(bh); - submit_bh(READ | REQ_META | REQ_PRIO, bh); + submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) { put_bh(bh); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index f7140ca..ee3c7d8 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4281,7 +4281,7 @@ make_io: trace_ext4_load_inode(inode); get_bh(bh); bh->b_end_io = end_buffer_read_sync; - submit_bh(READ | REQ_META | REQ_PRIO, bh); + submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) { EXT4_ERROR_INODE_BLOCK(inode, block, diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c index 23d436d..d89754e 100644 --- a/fs/ext4/mmp.c +++ b/fs/ext4/mmp.c @@ -52,7 +52,7 @@ static int write_mmp_block(struct super_block *sb, struct buffer_head *bh) lock_buffer(bh); bh->b_end_io = end_buffer_write_sync; get_bh(bh); - submit_bh(WRITE_SYNC | REQ_META | REQ_PRIO, bh); + submit_bh(REQ_OP_WRITE, WRITE_SYNC | REQ_META | REQ_PRIO, bh); wait_on_buffer(bh); sb_end_write(sb); if (unlikely(!buffer_uptodate(bh))) @@ -88,7 +88,7 @@ static int read_mmp_block(struct super_block *sb, struct buffer_head **bh, get_bh(*bh); lock_buffer(*bh); (*bh)->b_end_io = end_buffer_read_sync; - submit_bh(READ_SYNC | REQ_META | REQ_PRIO, *bh); + submit_bh(REQ_OP_READ, READ_SYNC | REQ_META | REQ_PRIO, *bh); wait_on_buffer(*bh); if (!buffer_uptodate(*bh)) { ret = -EIO; diff --git a/fs/fat/misc.c b/fs/fat/misc.c index c4589e9..8a86981 100644 --- a/fs/fat/misc.c +++ b/fs/fat/misc.c @@ -267,7 +267,7 @@ int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs) int i, err = 0; for (i = 0; i < nr_bhs; i++) - write_dirty_buffer(bhs[i], WRITE); + write_dirty_buffer(bhs[i], 0); for (i = 0; i < nr_bhs; i++) { wait_on_buffer(bhs[i]); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 24ce1cd..06d79aa 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -285,7 +285,7 @@ static void gfs2_metapath_ra(struct gfs2_glock *gl, if (trylock_buffer(rabh)) { if (!buffer_uptodate(rabh)) { rabh->b_end_io = end_buffer_read_sync; - submit_bh(READA | REQ_META, rabh); + submit_bh(REQ_OP_READ, READA | REQ_META, rabh); continue; } unlock_buffer(rabh); diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 271d939..0fbb426 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -1513,7 +1513,7 @@ static void gfs2_dir_readahead(struct inode *inode, unsigned hsize, u32 index, continue; } bh->b_end_io = end_buffer_read_sync; - submit_bh(READA | REQ_META, bh); + submit_bh(REQ_OP_READ, READA | REQ_META, bh); continue; } brelse(bh); diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 66670e1..091483e 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -37,8 +37,8 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb { struct buffer_head *bh, *head; int nr_underway = 0; - int write_op = REQ_META | REQ_PRIO | - (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE); + int write_flags = REQ_META | REQ_PRIO | + (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : 0); BUG_ON(!PageLocked(page)); BUG_ON(!page_has_buffers(page)); @@ -79,7 +79,7 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb do { struct buffer_head *next = bh->b_this_page; if (buffer_async_write(bh)) { - submit_bh(write_op, bh); + submit_bh(REQ_OP_WRITE, write_flags, bh); nr_underway++; } bh = next; diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 7007809..8f7d133 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -155,9 +155,9 @@ static int journal_submit_commit_record(journal_t *journal, if (journal->j_flags & JBD2_BARRIER && !jbd2_has_feature_async_commit(journal)) - ret = submit_bh(WRITE_SYNC | WRITE_FLUSH_FUA, bh); + ret = submit_bh(REQ_OP_WRITE, WRITE_SYNC | WRITE_FLUSH_FUA, bh); else - ret = submit_bh(WRITE_SYNC, bh); + ret = submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh); *cbh = bh; return ret; @@ -718,7 +718,7 @@ start_journal_io: clear_buffer_dirty(bh); set_buffer_uptodate(bh); bh->b_end_io = journal_end_buffer_io_sync; - submit_bh(WRITE_SYNC, bh); + submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh); } cond_resched(); stats.run.rs_blocks_logged += bufs; diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index b31852f..2606de4 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1346,15 +1346,15 @@ static int journal_reset(journal_t *journal) return jbd2_journal_start_thread(journal); } -static int jbd2_write_superblock(journal_t *journal, int write_op) +static int jbd2_write_superblock(journal_t *journal, int write_flags) { struct buffer_head *bh = journal->j_sb_buffer; journal_superblock_t *sb = journal->j_superblock; int ret; - trace_jbd2_write_superblock(journal, write_op); + trace_jbd2_write_superblock(journal, write_flags); if (!(journal->j_flags & JBD2_BARRIER)) - write_op &= ~(REQ_FUA | REQ_FLUSH); + write_flags &= ~(REQ_FUA | REQ_FLUSH); lock_buffer(bh); if (buffer_write_io_error(bh)) { /* @@ -1374,7 +1374,7 @@ static int jbd2_write_superblock(journal_t *journal, int write_op) jbd2_superblock_csum_set(journal, sb); get_bh(bh); bh->b_end_io = end_buffer_write_sync; - ret = submit_bh(write_op, bh); + ret = submit_bh(REQ_OP_WRITE, write_flags, bh); wait_on_buffer(bh); if (buffer_write_io_error(bh)) { clear_buffer_write_io_error(bh); diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c index 0576033..4cca998 100644 --- a/fs/nilfs2/btnode.c +++ b/fs/nilfs2/btnode.c @@ -62,7 +62,7 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr) } int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, - sector_t pblocknr, int mode, + sector_t pblocknr, int mode, int mode_flags, struct buffer_head **pbh, sector_t *submit_ptr) { struct buffer_head *bh; @@ -95,7 +95,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, } } - if (mode == READA) { + if (mode_flags & REQ_RAHEAD) { if (pblocknr != *submit_ptr + 1 || !trylock_buffer(bh)) { err = -EBUSY; /* internal code */ brelse(bh); @@ -114,7 +114,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, bh->b_blocknr = pblocknr; /* set block address for read */ bh->b_end_io = end_buffer_read_sync; get_bh(bh); - submit_bh(mode, bh); + submit_bh(mode, mode_flags, bh); bh->b_blocknr = blocknr; /* set back to the given block address */ *submit_ptr = pblocknr; err = 0; diff --git a/fs/nilfs2/btnode.h b/fs/nilfs2/btnode.h index 2cc1b80..4e8aaa1 100644 --- a/fs/nilfs2/btnode.h +++ b/fs/nilfs2/btnode.h @@ -43,7 +43,7 @@ void nilfs_btnode_cache_clear(struct address_space *); struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr); int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t, int, - struct buffer_head **, sector_t *); + int, struct buffer_head **, sector_t *); void nilfs_btnode_delete(struct buffer_head *); int nilfs_btnode_prepare_change_key(struct address_space *, struct nilfs_btnode_chkey_ctxt *); diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index eccb1c8..982d1e3 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -476,7 +476,8 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr, sector_t submit_ptr = 0; int ret; - ret = nilfs_btnode_submit_block(btnc, ptr, 0, READ, &bh, &submit_ptr); + ret = nilfs_btnode_submit_block(btnc, ptr, 0, REQ_OP_READ, 0, &bh, + &submit_ptr); if (ret) { if (ret != -EEXIST) return ret; @@ -492,7 +493,8 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr, n > 0 && i < ra->ncmax; n--, i++) { ptr2 = nilfs_btree_node_get_ptr(ra->node, i, ra->ncmax); - ret = nilfs_btnode_submit_block(btnc, ptr2, 0, READA, + ret = nilfs_btnode_submit_block(btnc, ptr2, 0, + REQ_OP_READ, REQ_RAHEAD, &ra_bh, &submit_ptr); if (likely(!ret || ret == -EEXIST)) brelse(ra_bh); diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c index 693aded..e9148f9 100644 --- a/fs/nilfs2/gcinode.c +++ b/fs/nilfs2/gcinode.c @@ -101,7 +101,7 @@ int nilfs_gccache_submit_read_data(struct inode *inode, sector_t blkoff, bh->b_blocknr = pbn; bh->b_end_io = end_buffer_read_sync; get_bh(bh); - submit_bh(READ, bh); + submit_bh(REQ_OP_READ, 0, bh); if (vbn) bh->b_blocknr = vbn; out: @@ -138,7 +138,8 @@ int nilfs_gccache_submit_read_node(struct inode *inode, sector_t pbn, int ret; ret = nilfs_btnode_submit_block(&NILFS_I(inode)->i_btnode_cache, - vbn ? : pbn, pbn, READ, out_bh, &pbn); + vbn ? : pbn, pbn, REQ_OP_READ, 0, + out_bh, &pbn); if (ret == -EEXIST) /* internal code (cache hit) */ ret = 0; return ret; diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c index 3417d85..0d7b71f 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -121,7 +121,7 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block, static int nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff, - int mode, struct buffer_head **out_bh) + int mode, int mode_flags, struct buffer_head **out_bh) { struct buffer_head *bh; __u64 blknum = 0; @@ -135,7 +135,7 @@ nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff, if (buffer_uptodate(bh)) goto out; - if (mode == READA) { + if (mode_flags & REQ_RAHEAD) { if (!trylock_buffer(bh)) { ret = -EBUSY; goto failed_bh; @@ -157,7 +157,7 @@ nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff, bh->b_end_io = end_buffer_read_sync; get_bh(bh); - submit_bh(mode, bh); + submit_bh(mode, mode_flags, bh); ret = 0; trace_nilfs2_mdt_submit_block(inode, inode->i_ino, blkoff, mode); @@ -181,7 +181,7 @@ static int nilfs_mdt_read_block(struct inode *inode, unsigned long block, int i, nr_ra_blocks = NILFS_MDT_MAX_RA_BLOCKS; int err; - err = nilfs_mdt_submit_block(inode, block, READ, &first_bh); + err = nilfs_mdt_submit_block(inode, block, REQ_OP_READ, 0, &first_bh); if (err == -EEXIST) /* internal code */ goto out; @@ -191,7 +191,8 @@ static int nilfs_mdt_read_block(struct inode *inode, unsigned long block, if (readahead) { blkoff = block + 1; for (i = 0; i < nr_ra_blocks; i++, blkoff++) { - err = nilfs_mdt_submit_block(inode, blkoff, READA, &bh); + err = nilfs_mdt_submit_block(inode, blkoff, REQ_OP_READ, + REQ_RAHEAD, &bh); if (likely(!err || err == -EEXIST)) brelse(bh); else if (err != -EBUSY) diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c index 97768a1..fe251f1 100644 --- a/fs/ntfs/aops.c +++ b/fs/ntfs/aops.c @@ -362,7 +362,7 @@ handle_zblock: for (i = 0; i < nr; i++) { tbh = arr[i]; if (likely(!buffer_uptodate(tbh))) - submit_bh(READ, tbh); + submit_bh(REQ_OP_READ, 0, tbh); else ntfs_end_buffer_async_read(tbh, 1); } @@ -877,7 +877,7 @@ lock_retry_remap: do { struct buffer_head *next = bh->b_this_page; if (buffer_async_write(bh)) { - submit_bh(WRITE, bh); + submit_bh(REQ_OP_WRITE, 0, bh); need_end_writeback = false; } bh = next; @@ -1202,7 +1202,7 @@ lock_retry_remap: BUG_ON(!buffer_mapped(tbh)); get_bh(tbh); tbh->b_end_io = end_buffer_write_sync; - submit_bh(WRITE, tbh); + submit_bh(REQ_OP_WRITE, 0, tbh); } /* Synchronize the mft mirror now if not @sync. */ if (is_mft && !sync) diff --git a/fs/ntfs/compress.c b/fs/ntfs/compress.c index f2b5e74..f8eb043 100644 --- a/fs/ntfs/compress.c +++ b/fs/ntfs/compress.c @@ -670,7 +670,7 @@ lock_retry_remap: } get_bh(tbh); tbh->b_end_io = end_buffer_read_sync; - submit_bh(READ, tbh); + submit_bh(REQ_OP_READ, 0, tbh); } /* Wait for io completion on all buffer heads. */ diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index 5622ed5..f548629 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -553,7 +553,7 @@ static inline int ntfs_submit_bh_for_read(struct buffer_head *bh) lock_buffer(bh); get_bh(bh); bh->b_end_io = end_buffer_read_sync; - return submit_bh(READ, bh); + return submit_bh(REQ_OP_READ, 0, bh); } /** diff --git a/fs/ntfs/logfile.c b/fs/ntfs/logfile.c index 9d71213..761f12f 100644 --- a/fs/ntfs/logfile.c +++ b/fs/ntfs/logfile.c @@ -821,7 +821,7 @@ map_vcn: * completed ignore errors afterwards as we can assume * that if one buffer worked all of them will work. */ - submit_bh(WRITE, bh); + submit_bh(REQ_OP_WRITE, 0, bh); if (should_wait) { should_wait = false; wait_on_buffer(bh); diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c index 37b2501..d15d492 100644 --- a/fs/ntfs/mft.c +++ b/fs/ntfs/mft.c @@ -592,7 +592,7 @@ int ntfs_sync_mft_mirror(ntfs_volume *vol, const unsigned long mft_no, clear_buffer_dirty(tbh); get_bh(tbh); tbh->b_end_io = end_buffer_write_sync; - submit_bh(WRITE, tbh); + submit_bh(REQ_OP_WRITE, 0, tbh); } /* Wait on i/o completion of buffers. */ for (i_bhs = 0; i_bhs < nr_bhs; i_bhs++) { @@ -785,7 +785,7 @@ int write_mft_record_nolock(ntfs_inode *ni, MFT_RECORD *m, int sync) clear_buffer_dirty(tbh); get_bh(tbh); tbh->b_end_io = end_buffer_write_sync; - submit_bh(WRITE, tbh); + submit_bh(REQ_OP_WRITE, 0, tbh); } /* Synchronize the mft mirror now if not @sync. */ if (!sync && ni->mft_no < vol->mftmirr_size) diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index fe50ded..fb775c9 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -79,7 +79,7 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, get_bh(bh); /* for end_buffer_write_sync() */ bh->b_end_io = end_buffer_write_sync; - submit_bh(WRITE, bh); + submit_bh(REQ_OP_WRITE, 0, bh); wait_on_buffer(bh); @@ -149,7 +149,7 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, clear_buffer_uptodate(bh); get_bh(bh); /* for end_buffer_read_sync() */ bh->b_end_io = end_buffer_read_sync; - submit_bh(READ, bh); + submit_bh(REQ_OP_READ, 0, bh); } for (i = nr; i > 0; i--) { @@ -305,7 +305,7 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, if (validate) set_buffer_needs_validate(bh); bh->b_end_io = end_buffer_read_sync; - submit_bh(READ, bh); + submit_bh(REQ_OP_READ, 0, bh); continue; } } @@ -419,7 +419,7 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb, get_bh(bh); /* for end_buffer_write_sync() */ bh->b_end_io = end_buffer_write_sync; ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &di->i_check); - submit_bh(WRITE, bh); + submit_bh(REQ_OP_WRITE, 0, bh); wait_on_buffer(bh); diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 825455d..c2c59f9 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -2668,7 +2668,7 @@ static int reiserfs_write_full_page(struct page *page, do { struct buffer_head *next = bh->b_this_page; if (buffer_async_write(bh)) { - submit_bh(WRITE, bh); + submit_bh(REQ_OP_WRITE, 0, bh); nr++; } put_bh(bh); @@ -2728,7 +2728,7 @@ fail: struct buffer_head *next = bh->b_this_page; if (buffer_async_write(bh)) { clear_buffer_dirty(bh); - submit_bh(WRITE, bh); + submit_bh(REQ_OP_WRITE, 0, bh); nr++; } put_bh(bh); diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 2ace90e..6945e71 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -652,7 +652,7 @@ static void submit_logged_buffer(struct buffer_head *bh) BUG(); if (!buffer_uptodate(bh)) BUG(); - submit_bh(WRITE, bh); + submit_bh(REQ_OP_WRITE, 0, bh); } static void submit_ordered_buffer(struct buffer_head *bh) @@ -662,7 +662,7 @@ static void submit_ordered_buffer(struct buffer_head *bh) clear_buffer_dirty(bh); if (!buffer_uptodate(bh)) BUG(); - submit_bh(WRITE, bh); + submit_bh(REQ_OP_WRITE, 0, bh); } #define CHUNK_SIZE 32 @@ -2269,7 +2269,7 @@ abort_replay: /* flush out the real blocks */ for (i = 0; i < get_desc_trans_len(desc); i++) { set_buffer_dirty(real_blocks[i]); - write_dirty_buffer(real_blocks[i], WRITE); + write_dirty_buffer(real_blocks[i], 0); } for (i = 0; i < get_desc_trans_len(desc); i++) { wait_on_buffer(real_blocks[i]); diff --git a/fs/ufs/util.c b/fs/ufs/util.c index a409e3e..f41ad0a 100644 --- a/fs/ufs/util.c +++ b/fs/ufs/util.c @@ -118,7 +118,7 @@ void ubh_sync_block(struct ufs_buffer_head *ubh) unsigned i; for (i = 0; i < ubh->count; i++) - write_dirty_buffer(ubh->bh[i], WRITE); + write_dirty_buffer(ubh->bh[i], 0); for (i = 0; i < ubh->count; i++) wait_on_buffer(ubh->bh[i]); diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index d48daa3..bc9a45d 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -189,10 +189,11 @@ void unlock_buffer(struct buffer_head *bh); void __lock_buffer(struct buffer_head *bh); void ll_rw_block(int, int, struct buffer_head * bh[]); int sync_dirty_buffer(struct buffer_head *bh); -int __sync_dirty_buffer(struct buffer_head *bh, int rw); -void write_dirty_buffer(struct buffer_head *bh, int rw); -int _submit_bh(int rw, struct buffer_head *bh, unsigned long bio_flags); -int submit_bh(int, struct buffer_head *); +int __sync_dirty_buffer(struct buffer_head *bh, int op_flags); +void write_dirty_buffer(struct buffer_head *bh, int op_flags); +int _submit_bh(int op, int op_flags, struct buffer_head *bh, + unsigned long bio_flags); +int submit_bh(int, int, struct buffer_head *); void write_boundary_block(struct block_device *bdev, sector_t bblock, unsigned blocksize); int bh_uptodate_or_lock(struct buffer_head *bh); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D6EED7CA1 for ; Sun, 5 Jun 2016 14:32:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A8F2E304043 for ; Sun, 5 Jun 2016 12:32:44 -0700 (PDT) X-ASG-Debug-ID: 1465155162-04cb6c2dbab58d90001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id NOurqWvyGfB85wKD (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:42 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1BE9290E50; Sun, 5 Jun 2016 19:32:42 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9B003130; Sun, 5 Jun 2016 15:32:39 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 04/45] fs: have ll_rw_block users pass in op and flags separately Date: Sun, 5 Jun 2016 14:31:44 -0500 X-ASG-Orig-Subj: [PATCH 04/45] fs: have ll_rw_block users pass in op and flags separately Message-Id: <1465155145-10812-5-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 05 Jun 2016 19:32:42 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155162 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 16093 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This has ll_rw_block users pass in the operation and flags separately, so ll_rw_block can setup the bio op and bi_rw flags on the bio that is submitted. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- v2: 1. Fix for kbuild error in ll_rw_block comments. fs/buffer.c | 19 ++++++++++--------- fs/ext4/inode.c | 6 +++--- fs/ext4/namei.c | 3 ++- fs/ext4/super.c | 2 +- fs/gfs2/bmap.c | 2 +- fs/gfs2/meta_io.c | 4 ++-- fs/gfs2/quota.c | 2 +- fs/isofs/compress.c | 2 +- fs/jbd2/journal.c | 2 +- fs/jbd2/recovery.c | 4 ++-- fs/ocfs2/aops.c | 2 +- fs/ocfs2/super.c | 2 +- fs/reiserfs/journal.c | 8 ++++---- fs/reiserfs/stree.c | 4 ++-- fs/reiserfs/super.c | 2 +- fs/squashfs/block.c | 4 ++-- fs/udf/dir.c | 2 +- fs/udf/directory.c | 2 +- fs/udf/inode.c | 2 +- fs/ufs/balloc.c | 2 +- include/linux/buffer_head.h | 2 +- 21 files changed, 40 insertions(+), 38 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 881d336..373aacb 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -588,7 +588,7 @@ void write_boundary_block(struct block_device *bdev, struct buffer_head *bh = __find_get_block(bdev, bblock + 1, blocksize); if (bh) { if (buffer_dirty(bh)) - ll_rw_block(WRITE, 1, &bh); + ll_rw_block(REQ_OP_WRITE, 0, 1, &bh); put_bh(bh); } } @@ -1395,7 +1395,7 @@ void __breadahead(struct block_device *bdev, sector_t block, unsigned size) { struct buffer_head *bh = __getblk(bdev, block, size); if (likely(bh)) { - ll_rw_block(READA, 1, &bh); + ll_rw_block(REQ_OP_READ, READA, 1, &bh); brelse(bh); } } @@ -1955,7 +1955,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len, if (!buffer_uptodate(bh) && !buffer_delay(bh) && !buffer_unwritten(bh) && (block_start < from || block_end > to)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); *wait_bh++=bh; } } @@ -2852,7 +2852,7 @@ int block_truncate_page(struct address_space *mapping, if (!buffer_uptodate(bh) && !buffer_delay(bh) && !buffer_unwritten(bh)) { err = -EIO; - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); /* Uhhuh. Read error. Complain and punt. */ if (!buffer_uptodate(bh)) @@ -3051,7 +3051,8 @@ EXPORT_SYMBOL(submit_bh); /** * ll_rw_block: low-level access to block devices (DEPRECATED) - * @rw: whether to %READ or %WRITE or maybe %READA (readahead) + * @op: whether to %READ or %WRITE + * @op_flags: rq_flag_bits or %READA (readahead) * @nr: number of &struct buffer_heads in the array * @bhs: array of pointers to &struct buffer_head * @@ -3074,7 +3075,7 @@ EXPORT_SYMBOL(submit_bh); * All of the buffers must be for the same device, and must also be a * multiple of the current approved size for the device. */ -void ll_rw_block(int rw, int nr, struct buffer_head *bhs[]) +void ll_rw_block(int op, int op_flags, int nr, struct buffer_head *bhs[]) { int i; @@ -3083,18 +3084,18 @@ void ll_rw_block(int rw, int nr, struct buffer_head *bhs[]) if (!trylock_buffer(bh)) continue; - if (rw == WRITE) { + if (op == WRITE) { if (test_clear_buffer_dirty(bh)) { bh->b_end_io = end_buffer_write_sync; get_bh(bh); - submit_bh(rw, 0, bh); + submit_bh(op, op_flags, bh); continue; } } else { if (!buffer_uptodate(bh)) { bh->b_end_io = end_buffer_read_sync; get_bh(bh); - submit_bh(rw, 0, bh); + submit_bh(op, op_flags, bh); continue; } } diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index ee3c7d8..ae44916 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -981,7 +981,7 @@ struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode, return bh; if (!bh || buffer_uptodate(bh)) return bh; - ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh); + ll_rw_block(REQ_OP_READ, REQ_META | REQ_PRIO, 1, &bh); wait_on_buffer(bh); if (buffer_uptodate(bh)) return bh; @@ -1135,7 +1135,7 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, if (!buffer_uptodate(bh) && !buffer_delay(bh) && !buffer_unwritten(bh) && (block_start < from || block_end > to)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); *wait_bh++ = bh; decrypt = ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode); @@ -3698,7 +3698,7 @@ static int __ext4_block_zero_page_range(handle_t *handle, if (!buffer_uptodate(bh)) { err = -EIO; - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); /* Uhhuh. Read error. Complain and punt. */ if (!buffer_uptodate(bh)) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index ec4c399..6569c6b 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1443,7 +1443,8 @@ restart: } bh_use[ra_max] = bh; if (bh) - ll_rw_block(READ | REQ_META | REQ_PRIO, + ll_rw_block(REQ_OP_READ, + REQ_META | REQ_PRIO, 1, &bh); } } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 3822a5a..b1a3471 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4204,7 +4204,7 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb, goto out_bdev; } journal->j_private = sb; - ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &journal->j_sb_buffer); + ll_rw_block(REQ_OP_READ, REQ_META | REQ_PRIO, 1, &journal->j_sb_buffer); wait_on_buffer(journal->j_sb_buffer); if (!buffer_uptodate(journal->j_sb_buffer)) { ext4_msg(sb, KERN_ERR, "I/O error on journal device"); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 06d79aa..fd6389c 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -974,7 +974,7 @@ static int gfs2_block_truncate_page(struct address_space *mapping, loff_t from) if (!buffer_uptodate(bh)) { err = -EIO; - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); /* Uhhuh. Read error. Complain and punt. */ if (!buffer_uptodate(bh)) diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 091483e..b718447 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -449,7 +449,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) if (buffer_uptodate(first_bh)) goto out; if (!buffer_locked(first_bh)) - ll_rw_block(READ_SYNC | REQ_META, 1, &first_bh); + ll_rw_block(REQ_OP_READ, READ_SYNC | REQ_META, 1, &first_bh); dblock++; extlen--; @@ -458,7 +458,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) bh = gfs2_getbuf(gl, dblock, CREATE); if (!buffer_uptodate(bh) && !buffer_locked(bh)) - ll_rw_block(READA | REQ_META, 1, &bh); + ll_rw_block(REQ_OP_READ, READA | REQ_META, 1, &bh); brelse(bh); dblock++; extlen--; diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index ce7d69a..62a6823 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -730,7 +730,7 @@ static int gfs2_write_buf_to_page(struct gfs2_inode *ip, unsigned long index, if (PageUptodate(page)) set_buffer_uptodate(bh); if (!buffer_uptodate(bh)) { - ll_rw_block(READ | REQ_META, 1, &bh); + ll_rw_block(REQ_OP_READ, REQ_META, 1, &bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) goto unlock_out; diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c index 2e4e834..2ce5b75 100644 --- a/fs/isofs/compress.c +++ b/fs/isofs/compress.c @@ -81,7 +81,7 @@ static loff_t zisofs_uncompress_block(struct inode *inode, loff_t block_start, blocknum = block_start >> bufshift; memset(bhs, 0, (needblocks + 1) * sizeof(struct buffer_head *)); haveblocks = isofs_get_blocks(inode, blocknum, bhs, needblocks); - ll_rw_block(READ, haveblocks, bhs); + ll_rw_block(REQ_OP_READ, 0, haveblocks, bhs); curbh = 0; curpage = 0; diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 2606de4..34bc996 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1498,7 +1498,7 @@ static int journal_get_superblock(journal_t *journal) J_ASSERT(bh != NULL); if (!buffer_uptodate(bh)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) { printk(KERN_ERR diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 805bc6b..02dd3360 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -104,7 +104,7 @@ static int do_readahead(journal_t *journal, unsigned int start) if (!buffer_uptodate(bh) && !buffer_locked(bh)) { bufs[nbufs++] = bh; if (nbufs == MAXBUF) { - ll_rw_block(READ, nbufs, bufs); + ll_rw_block(REQ_OP_READ, 0, nbufs, bufs); journal_brelse_array(bufs, nbufs); nbufs = 0; } @@ -113,7 +113,7 @@ static int do_readahead(journal_t *journal, unsigned int start) } if (nbufs) - ll_rw_block(READ, nbufs, bufs); + ll_rw_block(REQ_OP_READ, 0, nbufs, bufs); err = 0; failed: diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index c034edf..e97a371 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -640,7 +640,7 @@ int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno, !buffer_new(bh) && ocfs2_should_read_blk(inode, page, block_start) && (block_start < from || block_end > to)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); *wait_bh++=bh; } diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index d7cae33..3971146 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1819,7 +1819,7 @@ static int ocfs2_get_sector(struct super_block *sb, if (!buffer_dirty(*bh)) clear_buffer_uptodate(*bh); unlock_buffer(*bh); - ll_rw_block(READ, 1, bh); + ll_rw_block(REQ_OP_READ, 0, 1, bh); wait_on_buffer(*bh); if (!buffer_uptodate(*bh)) { mlog_errno(-EIO); diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 6945e71..bc2dde2 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -870,7 +870,7 @@ loop_next: */ if (buffer_dirty(bh) && unlikely(bh->b_page->mapping == NULL)) { spin_unlock(lock); - ll_rw_block(WRITE, 1, &bh); + ll_rw_block(REQ_OP_WRITE, 0, 1, &bh); spin_lock(lock); } put_bh(bh); @@ -1057,7 +1057,7 @@ static int flush_commit_list(struct super_block *s, if (tbh) { if (buffer_dirty(tbh)) { depth = reiserfs_write_unlock_nested(s); - ll_rw_block(WRITE, 1, &tbh); + ll_rw_block(REQ_OP_WRITE, 0, 1, &tbh); reiserfs_write_lock_nested(s, depth); } put_bh(tbh) ; @@ -2244,7 +2244,7 @@ abort_replay: } } /* read in the log blocks, memcpy to the corresponding real block */ - ll_rw_block(READ, get_desc_trans_len(desc), log_blocks); + ll_rw_block(REQ_OP_READ, 0, get_desc_trans_len(desc), log_blocks); for (i = 0; i < get_desc_trans_len(desc); i++) { wait_on_buffer(log_blocks[i]); @@ -2346,7 +2346,7 @@ static struct buffer_head *reiserfs_breada(struct block_device *dev, } else bhlist[j++] = bh; } - ll_rw_block(READ, j, bhlist); + ll_rw_block(REQ_OP_READ, 0, j, bhlist); for (i = 1; i < j; i++) brelse(bhlist[i]); bh = bhlist[0]; diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c index 5feacd6..64b29b5 100644 --- a/fs/reiserfs/stree.c +++ b/fs/reiserfs/stree.c @@ -551,7 +551,7 @@ static int search_by_key_reada(struct super_block *s, if (!buffer_uptodate(bh[j])) { if (depth == -1) depth = reiserfs_write_unlock_nested(s); - ll_rw_block(READA, 1, bh + j); + ll_rw_block(REQ_OP_READ, READA, 1, bh + j); } brelse(bh[j]); } @@ -660,7 +660,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *key, if (!buffer_uptodate(bh) && depth == -1) depth = reiserfs_write_unlock_nested(sb); - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); if (depth != -1) diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index b8f2d1e..9938a51 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -1661,7 +1661,7 @@ static int read_super_block(struct super_block *s, int offset) /* after journal replay, reread all bitmap and super blocks */ static int reread_meta_blocks(struct super_block *s) { - ll_rw_block(READ, 1, &SB_BUFFER_WITH_SB(s)); + ll_rw_block(REQ_OP_READ, 0, 1, &SB_BUFFER_WITH_SB(s)); wait_on_buffer(SB_BUFFER_WITH_SB(s)); if (!buffer_uptodate(SB_BUFFER_WITH_SB(s))) { reiserfs_warning(s, "reiserfs-2504", "error reading the super"); diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c index 2c26184..ce62a38 100644 --- a/fs/squashfs/block.c +++ b/fs/squashfs/block.c @@ -124,7 +124,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length, goto block_release; bytes += msblk->devblksize; } - ll_rw_block(READ, b, bh); + ll_rw_block(REQ_OP_READ, 0, b, bh); } else { /* * Metadata block. @@ -156,7 +156,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length, goto block_release; bytes += msblk->devblksize; } - ll_rw_block(READ, b - 1, bh + 1); + ll_rw_block(REQ_OP_READ, 0, b - 1, bh + 1); } for (i = 0; i < b; i++) { diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 4c5593a..80c8a21 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -113,7 +113,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) brelse(tmp); } if (num) { - ll_rw_block(READA, num, bha); + ll_rw_block(REQ_OP_READ, READA, num, bha); for (i = 0; i < num; i++) brelse(bha[i]); } diff --git a/fs/udf/directory.c b/fs/udf/directory.c index c763fda..71f3e0b 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -87,7 +87,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos, brelse(tmp); } if (num) { - ll_rw_block(READA, num, bha); + ll_rw_block(REQ_OP_READ, READA, num, bha); for (i = 0; i < num; i++) brelse(bha[i]); } diff --git a/fs/udf/inode.c b/fs/udf/inode.c index f323aff..55aa587 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1199,7 +1199,7 @@ struct buffer_head *udf_bread(struct inode *inode, int block, if (buffer_uptodate(bh)) return bh; - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); if (buffer_uptodate(bh)) diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index 0447b94..67e085d 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -292,7 +292,7 @@ static void ufs_change_blocknr(struct inode *inode, sector_t beg, if (!buffer_mapped(bh)) map_bh(bh, inode->i_sb, oldb + pos); if (!buffer_uptodate(bh)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) { ufs_error(inode->i_sb, __func__, diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index bc9a45d..d1dd293 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -187,7 +187,7 @@ struct buffer_head *alloc_buffer_head(gfp_t gfp_flags); void free_buffer_head(struct buffer_head * bh); void unlock_buffer(struct buffer_head *bh); void __lock_buffer(struct buffer_head *bh); -void ll_rw_block(int, int, struct buffer_head * bh[]); +void ll_rw_block(int, int, int, struct buffer_head * bh[]); int sync_dirty_buffer(struct buffer_head *bh); int __sync_dirty_buffer(struct buffer_head *bh, int op_flags); void write_dirty_buffer(struct buffer_head *bh, int op_flags); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5207A7CA0 for ; Sun, 5 Jun 2016 14:32:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id C9202AC003 for ; Sun, 5 Jun 2016 12:32:48 -0700 (PDT) X-ASG-Debug-ID: 1465155167-04cb6c2dbbb58da0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 67A5tv3z6fw8qbog (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:47 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B0E6DC04D29F; Sun, 5 Jun 2016 19:32:46 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9D003130; Sun, 5 Jun 2016 15:32:44 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 06/45] dm: use op_is_write instead of checking for REQ_WRITE Date: Sun, 5 Jun 2016 14:31:46 -0500 X-ASG-Orig-Subj: [PATCH 06/45] dm: use op_is_write instead of checking for REQ_WRITE Message-Id: <1465155145-10812-7-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Sun, 05 Jun 2016 19:32:46 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155167 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2147 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie We currently set REQ_WRITE/WRITE for all non READ IOs like discard, flush, writesame, etc. In the next patches where we no longer set up the op as a bitmap, we will not be able to detect a operation direction like writesame by testing if REQ_WRITE is set. This has dm use the op_is_write helper which will do the right thing. Signed-off-by: Mike Christie --- drivers/md/dm-io.c | 4 ++-- drivers/md/dm-kcopyd.c | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 50f17e3..26e9a85 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -409,7 +409,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions, struct io *io; struct sync_io sio; - if (num_regions > 1 && (rw & RW_MASK) != WRITE) { + if (num_regions > 1 && !op_is_write(rw)) { WARN_ON(1); return -EIO; } @@ -442,7 +442,7 @@ static int async_io(struct dm_io_client *client, unsigned int num_regions, { struct io *io; - if (num_regions > 1 && (rw & RW_MASK) != WRITE) { + if (num_regions > 1 && !op_is_write(rw)) { WARN_ON(1); fn(1, context); return -EIO; diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c index 1452ed9..9f390e4 100644 --- a/drivers/md/dm-kcopyd.c +++ b/drivers/md/dm-kcopyd.c @@ -465,7 +465,7 @@ static void complete_io(unsigned long error, void *context) io_job_finish(kc->throttle); if (error) { - if (job->rw & WRITE) + if (op_is_write(job->rw)) job->write_err |= error; else job->read_err = 1; @@ -477,7 +477,7 @@ static void complete_io(unsigned long error, void *context) } } - if (job->rw & WRITE) + if (op_is_write(job->rw)) push(&kc->complete_jobs, job); else { @@ -550,7 +550,7 @@ static int process_jobs(struct list_head *jobs, struct dm_kcopyd_client *kc, if (r < 0) { /* error this rogue job */ - if (job->rw & WRITE) + if (op_is_write(job->rw)) job->write_err = (unsigned long) -1L; else job->read_err = 1; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 45C6A7CA0 for ; Sun, 5 Jun 2016 14:32:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8F5B08F8040 for ; Sun, 5 Jun 2016 12:32:50 -0700 (PDT) X-ASG-Debug-ID: 1465155169-04cbb0356bb8abb0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 8DSFEFkjzV0N4Quu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:49 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F2C0AC04D2A2; Sun, 5 Jun 2016 19:32:48 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9E003130; Sun, 5 Jun 2016 15:32:46 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 07/45] bcache: use op_is_write instead of checking for REQ_WRITE Date: Sun, 5 Jun 2016 14:31:47 -0500 X-ASG-Orig-Subj: [PATCH 07/45] bcache: use op_is_write instead of checking for REQ_WRITE Message-Id: <1465155145-10812-8-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Sun, 05 Jun 2016 19:32:49 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155169 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2174 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie We currently set REQ_WRITE/WRITE for all non READ IOs like discard, flush, writesame, etc. In the next patches where we no longer set up the op as a bitmap, we will not be able to detect a operation direction like writesame by testing if REQ_WRITE is set. This has bcache use the op_is_write helper which will do the right thing. Signed-off-by: Mike Christie --- drivers/md/bcache/io.c | 2 +- drivers/md/bcache/request.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index 86a0bb8..fd885cc 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -111,7 +111,7 @@ void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio, struct bbio *b = container_of(bio, struct bbio, bio); struct cache *ca = PTR_CACHE(c, &b->key, 0); - unsigned threshold = bio->bi_rw & REQ_WRITE + unsigned threshold = op_is_write(bio_op(bio)) ? c->congested_write_threshold_us : c->congested_read_threshold_us; diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 25fa844..6b85a23 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -383,7 +383,7 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio) if (mode == CACHE_MODE_NONE || (mode == CACHE_MODE_WRITEAROUND && - (bio->bi_rw & REQ_WRITE))) + op_is_write(bio_op(bio)))) goto skip; if (bio->bi_iter.bi_sector & (c->sb.block_size - 1) || @@ -404,7 +404,7 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio) if (!congested && mode == CACHE_MODE_WRITEBACK && - (bio->bi_rw & REQ_WRITE) && + op_is_write(bio_op(bio)) && (bio->bi_rw & REQ_SYNC)) goto rescale; @@ -657,7 +657,7 @@ static inline struct search *search_alloc(struct bio *bio, s->cache_miss = NULL; s->d = d; s->recoverable = 1; - s->write = (bio->bi_rw & REQ_WRITE) != 0; + s->write = op_is_write(bio_op(bio)); s->read_dirty_data = 0; s->start_time = jiffies; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:54 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6DE557CC9 for ; Sun, 5 Jun 2016 14:32:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3F9B38F8040 for ; Sun, 5 Jun 2016 12:32:54 -0700 (PDT) X-ASG-Debug-ID: 1465155171-04cbb0356ab8abb0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 4wZ3u5LD6z1grMsn (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:51 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 36D2563E21; Sun, 5 Jun 2016 19:32:51 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9F003130; Sun, 5 Jun 2016 15:32:49 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 08/45] block, fs, mm, drivers: use bio set/get op accessors Date: Sun, 5 Jun 2016 14:31:48 -0500 X-ASG-Orig-Subj: [PATCH 08/45] block, fs, mm, drivers: use bio set/get op accessors Message-Id: <1465155145-10812-9-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Sun, 05 Jun 2016 19:32:51 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155171 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 22577 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch converts the simple bi_rw use cases in the block, drivers, mm and fs code to set/get the bio operation using bio_set_op_attrs/bio_op These should be simple one or two liner cases, so I just did them in one patch. The next patches handle the more complicated cases in a module per patch. Signed-off-by: Mike Christie --- v5: 1. Add missed crypto call. 2. Change nfs bi_rw check to bi_op. block/bio.c | 13 ++++++------- block/blk-core.c | 6 +++--- block/blk-flush.c | 2 +- block/blk-lib.c | 4 ++-- block/blk-map.c | 2 +- block/blk-merge.c | 12 ++++++------ drivers/block/brd.c | 2 +- drivers/block/floppy.c | 2 +- drivers/block/pktcdvd.c | 4 ++-- drivers/block/rsxx/dma.c | 2 +- drivers/block/zram/zram_drv.c | 2 +- drivers/lightnvm/rrpc.c | 6 +++--- drivers/scsi/osd/osd_initiator.c | 8 ++++---- drivers/staging/lustre/lustre/llite/lloop.c | 6 +++--- fs/crypto/crypto.c | 2 +- fs/exofs/ore.c | 2 +- fs/ext4/page-io.c | 6 +++--- fs/ext4/readpage.c | 2 +- fs/jfs/jfs_logmgr.c | 4 ++-- fs/jfs/jfs_metapage.c | 4 ++-- fs/logfs/dev_bdev.c | 12 ++++++------ fs/nfs/blocklayout/blocklayout.c | 4 ++-- include/linux/bio.h | 15 ++++++++++----- mm/page_io.c | 4 ++-- 24 files changed, 65 insertions(+), 61 deletions(-) diff --git a/block/bio.c b/block/bio.c index fc779eb..848cd35 100644 --- a/block/bio.c +++ b/block/bio.c @@ -656,16 +656,15 @@ struct bio *bio_clone_bioset(struct bio *bio_src, gfp_t gfp_mask, bio = bio_alloc_bioset(gfp_mask, bio_segments(bio_src), bs); if (!bio) return NULL; - bio->bi_bdev = bio_src->bi_bdev; bio->bi_rw = bio_src->bi_rw; bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector; bio->bi_iter.bi_size = bio_src->bi_iter.bi_size; - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) goto integrity_clone; - if (bio->bi_rw & REQ_WRITE_SAME) { + if (bio_op(bio) == REQ_OP_WRITE_SAME) { bio->bi_io_vec[bio->bi_vcnt++] = bio_src->bi_io_vec[0]; goto integrity_clone; } @@ -1166,7 +1165,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q, goto out_bmd; if (iter->type & WRITE) - bio->bi_rw |= REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); ret = 0; @@ -1336,7 +1335,7 @@ struct bio *bio_map_user_iov(struct request_queue *q, * set data direction, and check if mapped pages need bouncing */ if (iter->type & WRITE) - bio->bi_rw |= REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio_set_flag(bio, BIO_USER_MAPPED); @@ -1529,7 +1528,7 @@ struct bio *bio_copy_kern(struct request_queue *q, void *data, unsigned int len, bio->bi_private = data; } else { bio->bi_end_io = bio_copy_kern_endio; - bio->bi_rw |= REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); } return bio; @@ -1784,7 +1783,7 @@ struct bio *bio_split(struct bio *bio, int sectors, * Discards need a mutable bio_vec to accommodate the payload * required by the DSM TRIM and UNMAP commands. */ - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) split = bio_clone_bioset(bio, gfp, bs); else split = bio_clone_fast(bio, gfp, bs); diff --git a/block/blk-core.c b/block/blk-core.c index e8e5865..7e943dc 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1973,14 +1973,14 @@ generic_make_request_checks(struct bio *bio) } } - if ((bio->bi_rw & REQ_DISCARD) && + if ((bio_op(bio) == REQ_OP_DISCARD) && (!blk_queue_discard(q) || ((bio->bi_rw & REQ_SECURE) && !blk_queue_secdiscard(q)))) { err = -EOPNOTSUPP; goto end_io; } - if (bio->bi_rw & REQ_WRITE_SAME && !bdev_write_same(bio->bi_bdev)) { + if (bio_op(bio) == REQ_OP_WRITE_SAME && !bdev_write_same(bio->bi_bdev)) { err = -EOPNOTSUPP; goto end_io; } @@ -2110,7 +2110,7 @@ blk_qc_t submit_bio(struct bio *bio) if (bio_has_data(bio)) { unsigned int count; - if (unlikely(bio->bi_rw & REQ_WRITE_SAME)) + if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME)) count = bdev_logical_block_size(bio->bi_bdev) >> 9; else count = bio_sectors(bio); diff --git a/block/blk-flush.c b/block/blk-flush.c index 3af4a5a..9fd1f63 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -485,7 +485,7 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, bio = bio_alloc(gfp_mask, 0); bio->bi_bdev = bdev; - bio->bi_rw = WRITE_FLUSH; + bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH); ret = submit_bio_wait(bio); diff --git a/block/blk-lib.c b/block/blk-lib.c index 1f6dec5..c614eaa 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -155,7 +155,7 @@ int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, bio->bi_io_vec->bv_page = page; bio->bi_io_vec->bv_offset = 0; bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev); - bio->bi_rw = REQ_WRITE | REQ_WRITE_SAME; + bio_set_op_attrs(bio, REQ_OP_WRITE_SAME, 0); if (nr_sects > max_write_same_sectors) { bio->bi_iter.bi_size = max_write_same_sectors << 9; @@ -196,7 +196,7 @@ static int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, gfp_mask); bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; - bio->bi_rw = REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); while (nr_sects != 0) { sz = min((sector_t) PAGE_SIZE >> 9 , nr_sects); diff --git a/block/blk-map.c b/block/blk-map.c index b9f88b7..61733a6 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -224,7 +224,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, return PTR_ERR(bio); if (!reading) - bio->bi_rw |= REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); if (do_copy) rq->cmd_flags |= REQ_COPY_USER; diff --git a/block/blk-merge.c b/block/blk-merge.c index b198070..5a03f96 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -172,9 +172,9 @@ void blk_queue_split(struct request_queue *q, struct bio **bio, struct bio *split, *res; unsigned nsegs; - if ((*bio)->bi_rw & REQ_DISCARD) + if (bio_op(*bio) == REQ_OP_DISCARD) split = blk_bio_discard_split(q, *bio, bs, &nsegs); - else if ((*bio)->bi_rw & REQ_WRITE_SAME) + else if (bio_op(*bio) == REQ_OP_WRITE_SAME) split = blk_bio_write_same_split(q, *bio, bs, &nsegs); else split = blk_bio_segment_split(q, *bio, q->bio_split, &nsegs); @@ -213,10 +213,10 @@ static unsigned int __blk_recalc_rq_segments(struct request_queue *q, * This should probably be returning 0, but blk_add_request_payload() * (Christoph!!!!) */ - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) return 1; - if (bio->bi_rw & REQ_WRITE_SAME) + if (bio_op(bio) == REQ_OP_WRITE_SAME) return 1; fbio = bio; @@ -385,7 +385,7 @@ static int __blk_bios_map_sg(struct request_queue *q, struct bio *bio, nsegs = 0; cluster = blk_queue_cluster(q); - if (bio->bi_rw & REQ_DISCARD) { + if (bio_op(bio) == REQ_OP_DISCARD) { /* * This is a hack - drivers should be neither modifying the * biovec, nor relying on bi_vcnt - but because of @@ -400,7 +400,7 @@ static int __blk_bios_map_sg(struct request_queue *q, struct bio *bio, return 0; } - if (bio->bi_rw & REQ_WRITE_SAME) { + if (bio_op(bio) == REQ_OP_WRITE_SAME) { single_segment: *sg = sglist; bvec = bio_iovec(bio); diff --git a/drivers/block/brd.c b/drivers/block/brd.c index c04bd9b..f5b0d6f 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -339,7 +339,7 @@ static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio) if (bio_end_sector(bio) > get_capacity(bdev->bd_disk)) goto io_error; - if (unlikely(bio->bi_rw & REQ_DISCARD)) { + if (unlikely(bio_op(bio) == REQ_OP_DISCARD)) { if (sector & ((PAGE_SIZE >> SECTOR_SHIFT) - 1) || bio->bi_iter.bi_size & ~PAGE_MASK) goto io_error; diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 73ded25..f9bfecd 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3822,7 +3822,7 @@ static int __floppy_read_block_0(struct block_device *bdev, int drive) bio.bi_flags |= (1 << BIO_QUIET); bio.bi_private = &cbdata; bio.bi_end_io = floppy_rb0_cb; - bio.bi_rw = READ; + bio_set_op_attrs(&bio, REQ_OP_READ, 0); submit_bio(&bio); process_fd_request(); diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index d06c62e..9393bc7 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -1074,7 +1074,7 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt) BUG(); atomic_inc(&pkt->io_wait); - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); pkt_queue_bio(pd, bio); frames_read++; } @@ -1336,7 +1336,7 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt) /* Start the write request */ atomic_set(&pkt->io_wait, 1); - pkt->w_bio->bi_rw = WRITE; + bio_set_op_attrs(pkt->w_bio, REQ_OP_WRITE, 0); pkt_queue_bio(pd, pkt->w_bio); } diff --git a/drivers/block/rsxx/dma.c b/drivers/block/rsxx/dma.c index cf8cd29..5a20385f8 100644 --- a/drivers/block/rsxx/dma.c +++ b/drivers/block/rsxx/dma.c @@ -705,7 +705,7 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card, dma_cnt[i] = 0; } - if (bio->bi_rw & REQ_DISCARD) { + if (bio_op(bio) == REQ_OP_DISCARD) { bv_len = bio->bi_iter.bi_size; while (bv_len > 0) { diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 8fcad8b..e5e5d19 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -874,7 +874,7 @@ static void __zram_make_request(struct zram *zram, struct bio *bio) offset = (bio->bi_iter.bi_sector & (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT; - if (unlikely(bio->bi_rw & REQ_DISCARD)) { + if (unlikely(bio_op(bio) == REQ_OP_DISCARD)) { zram_bio_discard(zram, index, offset, bio); bio_endio(bio); return; diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index 2103e97..de86d72 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -342,7 +342,7 @@ try: /* Perform read to do GC */ bio->bi_iter.bi_sector = rrpc_get_sector(rev->addr); - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); bio->bi_private = &wait; bio->bi_end_io = rrpc_end_sync_bio; @@ -364,7 +364,7 @@ try: reinit_completion(&wait); bio->bi_iter.bi_sector = rrpc_get_sector(rev->addr); - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_private = &wait; bio->bi_end_io = rrpc_end_sync_bio; @@ -908,7 +908,7 @@ static blk_qc_t rrpc_make_rq(struct request_queue *q, struct bio *bio) struct nvm_rq *rqd; int err; - if (bio->bi_rw & REQ_DISCARD) { + if (bio_op(bio) == REQ_OP_DISCARD) { rrpc_discard(rrpc, bio); return BLK_QC_T_NONE; } diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 14ed39b..daa4dc1 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -726,7 +726,7 @@ static int _osd_req_list_objects(struct osd_request *or, return PTR_ERR(bio); } - bio->bi_rw &= ~REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_READ, 0); or->in.bio = bio; or->in.total_bytes = bio->bi_iter.bi_size; return 0; @@ -839,7 +839,7 @@ int osd_req_write_kern(struct osd_request *or, if (IS_ERR(bio)) return PTR_ERR(bio); - bio->bi_rw |= REQ_WRITE; /* FIXME: bio_set_dir() */ + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); osd_req_write(or, obj, offset, bio, len); return 0; } @@ -956,7 +956,7 @@ static int _osd_req_finalize_cdb_cont(struct osd_request *or, const u8 *cap_key) if (IS_ERR(bio)) return PTR_ERR(bio); - bio->bi_rw |= REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); /* integrity check the continuation before the bio is linked * with the other data segments since the continuation @@ -1077,7 +1077,7 @@ int osd_req_write_sg_kern(struct osd_request *or, if (IS_ERR(bio)) return PTR_ERR(bio); - bio->bi_rw |= REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); osd_req_write_sg(or, obj, bio, sglist, numentries); return 0; diff --git a/drivers/staging/lustre/lustre/llite/lloop.c b/drivers/staging/lustre/lustre/llite/lloop.c index 813a9a3..b677930 100644 --- a/drivers/staging/lustre/lustre/llite/lloop.c +++ b/drivers/staging/lustre/lustre/llite/lloop.c @@ -211,9 +211,9 @@ static int do_bio_lustrebacked(struct lloop_device *lo, struct bio *head) return io->ci_result; io->ci_lockreq = CILR_NEVER; - rw = head->bi_rw; + rw = bio_data_dir(head); for (bio = head; bio ; bio = bio->bi_next) { - LASSERT(rw == bio->bi_rw); + LASSERT(rw == bio_data_dir(bio)); offset = (pgoff_t)(bio->bi_iter.bi_sector << 9) + lo->lo_offset; bio_for_each_segment(bvec, bio, iter) { @@ -305,7 +305,7 @@ static unsigned int loop_get_bio(struct lloop_device *lo, struct bio **req) /* TODO: need to split the bio, too bad. */ LASSERT(first->bi_vcnt <= LLOOP_MAX_SEGMENTS); - rw = first->bi_rw; + rw = bio_data_dir(first); bio = &lo->lo_bio; while (*bio && (*bio)->bi_rw == rw) { CDEBUG(D_INFO, "bio sector %llu size %u count %u vcnt%u\n", diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c index 5b75856..c502c11 100644 --- a/fs/crypto/crypto.c +++ b/fs/crypto/crypto.c @@ -318,7 +318,7 @@ int fscrypt_zeroout_range(struct inode *inode, pgoff_t lblk, bio->bi_bdev = inode->i_sb->s_bdev; bio->bi_iter.bi_sector = pblk << (inode->i_sb->s_blocksize_bits - 9); - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); ret = bio_add_page(bio, ciphertext_page, inode->i_sb->s_blocksize, 0); if (ret != inode->i_sb->s_blocksize) { diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index 7bd8ac8..8bb7280 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -878,7 +878,7 @@ static int _write_mirror(struct ore_io_state *ios, int cur_comp) } else { bio = master_dev->bio; /* FIXME: bio_set_dir() */ - bio->bi_rw |= REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); } osd_req_write(or, _ios_obj(ios, cur_comp), diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index a72dbcc..5185fed 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -340,9 +340,9 @@ void ext4_io_submit(struct ext4_io_submit *io) struct bio *bio = io->io_bio; if (bio) { - int io_op = io->io_wbc->sync_mode == WB_SYNC_ALL ? - WRITE_SYNC : WRITE; - io->io_bio->bi_rw = io_op; + int io_op_flags = io->io_wbc->sync_mode == WB_SYNC_ALL ? + WRITE_SYNC : 0; + bio_set_op_attrs(io->io_bio, REQ_OP_WRITE, io_op_flags); submit_bio(io->io_bio); } io->io_bio = NULL; diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index 130bd45..2ced5a8 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -294,7 +294,7 @@ int ext4_mpage_readpages(struct address_space *mapping, bio->bi_iter.bi_sector = blocks[0] << (blkbits - 9); bio->bi_end_io = mpage_end_io; bio->bi_private = ctx; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); } length = first_hole << blkbits; diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 3ee3f32..a747521 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -2002,7 +2002,7 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp) bio->bi_end_io = lbmIODone; bio->bi_private = bp; - bio->bi_rw = READ_SYNC; + bio_set_op_attrs(bio, REQ_OP_READ, READ_SYNC); /*check if journaling to disk has been disabled*/ if (log->no_integrity) { bio->bi_iter.bi_size = 0; @@ -2146,7 +2146,7 @@ static void lbmStartIO(struct lbuf * bp) bio->bi_end_io = lbmIODone; bio->bi_private = bp; - bio->bi_rw = WRITE_SYNC; + bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_SYNC); /* check if journaling to disk has been disabled */ if (log->no_integrity) { diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index 9725443..e7fa9e5 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -434,7 +434,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) bio->bi_iter.bi_sector = pblock << (inode->i_blkbits - 9); bio->bi_end_io = metapage_write_end_io; bio->bi_private = page; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); /* Don't call bio_add_page yet, we may add to this vec */ bio_offset = offset; @@ -515,7 +515,7 @@ static int metapage_readpage(struct file *fp, struct page *page) pblock << (inode->i_blkbits - 9); bio->bi_end_io = metapage_read_end_io; bio->bi_private = page; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); len = xlen << inode->i_blkbits; offset = block_offset << inode->i_blkbits; if (bio_add_page(bio, page, len, offset) < len) diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c index 29704bd..a8329cc 100644 --- a/fs/logfs/dev_bdev.c +++ b/fs/logfs/dev_bdev.c @@ -14,7 +14,7 @@ #define PAGE_OFS(ofs) ((ofs) & (PAGE_SIZE-1)) -static int sync_request(struct page *page, struct block_device *bdev, int rw) +static int sync_request(struct page *page, struct block_device *bdev, int op) { struct bio bio; struct bio_vec bio_vec; @@ -29,7 +29,7 @@ static int sync_request(struct page *page, struct block_device *bdev, int rw) bio.bi_bdev = bdev; bio.bi_iter.bi_sector = page->index * (PAGE_SIZE >> 9); bio.bi_iter.bi_size = PAGE_SIZE; - bio.bi_rw = rw; + bio_set_op_attrs(&bio, op, 0); return submit_bio_wait(&bio); } @@ -96,7 +96,7 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = writeseg_end_io; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); atomic_inc(&super->s_pending_writes); submit_bio(bio); @@ -124,7 +124,7 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = writeseg_end_io; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); atomic_inc(&super->s_pending_writes); submit_bio(bio); return 0; @@ -188,7 +188,7 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = erase_end_io; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); atomic_inc(&super->s_pending_writes); submit_bio(bio); @@ -210,7 +210,7 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = erase_end_io; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); atomic_inc(&super->s_pending_writes); submit_bio(bio); return 0; diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 4c79f4d..f55a4e7 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -107,7 +107,7 @@ bl_submit_bio(struct bio *bio) if (bio) { get_parallel(bio->bi_private); dprintk("%s submitting %s bio %u@%llu\n", __func__, - bio->bi_rw == READ ? "read" : "write", + bio_op(bio) == READ ? "read" : "write", bio->bi_iter.bi_size, (unsigned long long)bio->bi_iter.bi_sector); submit_bio(bio); @@ -175,7 +175,7 @@ retry: disk_addr >> SECTOR_SHIFT, end_io, par); if (!bio) return ERR_PTR(-ENOMEM); - bio->bi_rw = rw; + bio_set_op_attrs(bio, rw, 0); } if (bio_add_page(bio, page, *len, offset) < *len) { bio = bl_submit_bio(bio); diff --git a/include/linux/bio.h b/include/linux/bio.h index 09c5308..4568647 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -109,18 +109,23 @@ static inline bool bio_has_data(struct bio *bio) { if (bio && bio->bi_iter.bi_size && - !(bio->bi_rw & REQ_DISCARD)) + bio_op(bio) != REQ_OP_DISCARD) return true; return false; } +static inline bool bio_no_advance_iter(struct bio *bio) +{ + return bio_op(bio) == REQ_OP_DISCARD || bio_op(bio) == REQ_OP_WRITE_SAME; +} + static inline bool bio_is_rw(struct bio *bio) { if (!bio_has_data(bio)) return false; - if (bio->bi_rw & BIO_NO_ADVANCE_ITER_MASK) + if (bio_no_advance_iter(bio)) return false; return true; @@ -228,7 +233,7 @@ static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter, { iter->bi_sector += bytes >> 9; - if (bio->bi_rw & BIO_NO_ADVANCE_ITER_MASK) + if (bio_no_advance_iter(bio)) iter->bi_size -= bytes; else bvec_iter_advance(bio->bi_io_vec, iter, bytes); @@ -256,10 +261,10 @@ static inline unsigned bio_segments(struct bio *bio) * differently: */ - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) return 1; - if (bio->bi_rw & REQ_WRITE_SAME) + if (bio_op(bio) == REQ_OP_WRITE_SAME) return 1; bio_for_each_segment(bv, bio, iter) diff --git a/mm/page_io.c b/mm/page_io.c index 5a5fd66..dcc5d37 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -317,7 +317,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, ret = -ENOMEM; goto out; } - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); if (wbc->sync_mode == WB_SYNC_ALL) bio->bi_rw |= REQ_SYNC; count_vm_event(PSWPOUT); @@ -370,7 +370,7 @@ int swap_readpage(struct page *page) ret = -ENOMEM; goto out; } - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); count_vm_event(PSWPIN); submit_bio(bio); out: -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7EDD17CD2 for ; Sun, 5 Jun 2016 14:32:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 445468F8040 for ; Sun, 5 Jun 2016 12:32:55 -0700 (PDT) X-ASG-Debug-ID: 1465155173-04cbb0356bb8abc0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id l4bWHubsPAB5ZsEz (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:54 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7F9E475742; Sun, 5 Jun 2016 19:32:53 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9G003130; Sun, 5 Jun 2016 15:32:51 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 09/45] block discard: use bio set op accessor Date: Sun, 5 Jun 2016 14:31:49 -0500 X-ASG-Orig-Subj: [PATCH 09/45] block discard: use bio set op accessor Message-Id: <1465155145-10812-10-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Sun, 05 Jun 2016 19:32:53 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155174 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3694 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This converts the block issue discard helper and users to use the bio_set_op_attrs accessor and only pass in the operation flags like REQ_SEQURE. Signed-off-by: Mike Christie --- block/blk-lib.c | 13 +++++++------ drivers/md/dm-thin.c | 2 +- include/linux/blkdev.h | 3 ++- 3 files changed, 10 insertions(+), 8 deletions(-) diff --git a/block/blk-lib.c b/block/blk-lib.c index c614eaa..ff2a7f0 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -23,7 +23,8 @@ static struct bio *next_bio(struct bio *bio, unsigned int nr_pages, } int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, - sector_t nr_sects, gfp_t gfp_mask, int type, struct bio **biop) + sector_t nr_sects, gfp_t gfp_mask, int op_flags, + struct bio **biop) { struct request_queue *q = bdev_get_queue(bdev); struct bio *bio = *biop; @@ -34,7 +35,7 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, return -ENXIO; if (!blk_queue_discard(q)) return -EOPNOTSUPP; - if ((type & REQ_SECURE) && !blk_queue_secdiscard(q)) + if ((op_flags & REQ_SECURE) && !blk_queue_secdiscard(q)) return -EOPNOTSUPP; /* Zero-sector (unknown) and one-sector granularities are the same. */ @@ -65,7 +66,7 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, bio = next_bio(bio, 1, gfp_mask); bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; - bio->bi_rw = type; + bio_set_op_attrs(bio, REQ_OP_DISCARD, op_flags); bio->bi_iter.bi_size = req_sects << 9; nr_sects -= req_sects; @@ -99,16 +100,16 @@ EXPORT_SYMBOL(__blkdev_issue_discard); int blkdev_issue_discard(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, unsigned long flags) { - int type = REQ_WRITE | REQ_DISCARD; + int op_flags = 0; struct bio *bio = NULL; struct blk_plug plug; int ret; if (flags & BLKDEV_DISCARD_SECURE) - type |= REQ_SECURE; + op_flags |= REQ_SECURE; blk_start_plug(&plug); - ret = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, type, + ret = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, op_flags, &bio); if (!ret && bio) { ret = submit_bio_wait(bio); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 8c070ee..e8661c2 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -360,7 +360,7 @@ static int issue_discard(struct discard_op *op, dm_block_t data_b, dm_block_t da sector_t len = block_to_sectors(tc->pool, data_e - data_b); return __blkdev_issue_discard(tc->pool_dev->bdev, s, len, - GFP_NOWAIT, REQ_WRITE | REQ_DISCARD, &op->bio); + GFP_NOWAIT, 0, &op->bio); } static void end_discard(struct discard_op *op, int r) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 49c2dbc..8c78aca 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1149,7 +1149,8 @@ extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *); extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, unsigned long flags); extern int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, - sector_t nr_sects, gfp_t gfp_mask, int type, struct bio **biop); + sector_t nr_sects, gfp_t gfp_mask, int op_flags, + struct bio **biop); extern int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, struct page *page); extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:32:57 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id ED01C7CCD for ; Sun, 5 Jun 2016 14:32:57 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id AD9F68F8039 for ; Sun, 5 Jun 2016 12:32:57 -0700 (PDT) X-ASG-Debug-ID: 1465155176-04bdf05ad7b78470001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id sGaMV1KhvVUNBUKD (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:56 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C2C6B7AE85; Sun, 5 Jun 2016 19:32:55 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9H003130; Sun, 5 Jun 2016 15:32:53 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 10/45] direct-io: use bio set/get op accessors Date: Sun, 5 Jun 2016 14:31:50 -0500 X-ASG-Orig-Subj: [PATCH 10/45] direct-io: use bio set/get op accessors Message-Id: <1465155145-10812-11-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Sun, 05 Jun 2016 19:32:55 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155176 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6573 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch has the dio code use a REQ_OP for the op and rq_flag_bits for bi_rw flags. To set/get the op it uses the bio_set_op_attrs/bio_op accssors. It also begins to convert btrfs's dio_submit_t because of the dio submit_io callout use. The next patches will completely convert this code and the reset of the btrfs code paths. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/btrfs/inode.c | 8 ++++---- fs/direct-io.c | 34 ++++++++++++++++++++-------------- include/linux/fs.h | 2 +- 3 files changed, 25 insertions(+), 19 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 2704995..96f9192 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8422,14 +8422,14 @@ out_err: return 0; } -static void btrfs_submit_direct(int rw, struct bio *dio_bio, - struct inode *inode, loff_t file_offset) +static void btrfs_submit_direct(struct bio *dio_bio, struct inode *inode, + loff_t file_offset) { struct btrfs_dio_private *dip = NULL; struct bio *io_bio = NULL; struct btrfs_io_bio *btrfs_bio; int skip_sum; - int write = rw & REQ_WRITE; + bool write = (bio_op(dio_bio) == REQ_OP_WRITE); int ret = 0; skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM; @@ -8480,7 +8480,7 @@ static void btrfs_submit_direct(int rw, struct bio *dio_bio, dio_data->unsubmitted_oe_range_end; } - ret = btrfs_submit_direct_hook(rw, dip, skip_sum); + ret = btrfs_submit_direct_hook(dio_bio->bi_rw, dip, skip_sum); if (!ret) return; diff --git a/fs/direct-io.c b/fs/direct-io.c index 1bcdd5d..7c3ce73 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -108,7 +108,8 @@ struct dio_submit { /* dio_state communicated between submission path and end_io */ struct dio { int flags; /* doesn't change */ - int rw; + int op; + int op_flags; blk_qc_t bio_cookie; struct block_device *bio_bdev; struct inode *inode; @@ -163,7 +164,7 @@ static inline int dio_refill_pages(struct dio *dio, struct dio_submit *sdio) ret = iov_iter_get_pages(sdio->iter, dio->pages, LONG_MAX, DIO_PAGES, &sdio->from); - if (ret < 0 && sdio->blocks_available && (dio->rw & WRITE)) { + if (ret < 0 && sdio->blocks_available && (dio->op == REQ_OP_WRITE)) { struct page *page = ZERO_PAGE(0); /* * A memory fault, but the filesystem has some outstanding @@ -242,7 +243,8 @@ static ssize_t dio_complete(struct dio *dio, ssize_t ret, bool is_async) transferred = dio->result; /* Check for short read case */ - if ((dio->rw == READ) && ((offset + transferred) > dio->i_size)) + if ((dio->op == REQ_OP_READ) && + ((offset + transferred) > dio->i_size)) transferred = dio->i_size - offset; } @@ -273,7 +275,7 @@ static ssize_t dio_complete(struct dio *dio, ssize_t ret, bool is_async) */ dio->iocb->ki_pos += transferred; - if (dio->rw & WRITE) + if (dio->op == REQ_OP_WRITE) ret = generic_write_sync(dio->iocb, transferred); dio->iocb->ki_complete(dio->iocb, ret, 0); } @@ -375,7 +377,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio, bio->bi_bdev = bdev; bio->bi_iter.bi_sector = first_sector; - bio->bi_rw = dio->rw; + bio_set_op_attrs(bio, dio->op, dio->op_flags); if (dio->is_async) bio->bi_end_io = dio_bio_end_aio; else @@ -403,14 +405,13 @@ static inline void dio_bio_submit(struct dio *dio, struct dio_submit *sdio) dio->refcount++; spin_unlock_irqrestore(&dio->bio_lock, flags); - if (dio->is_async && dio->rw == READ && dio->should_dirty) + if (dio->is_async && dio->op == REQ_OP_READ && dio->should_dirty) bio_set_pages_dirty(bio); dio->bio_bdev = bio->bi_bdev; if (sdio->submit_io) { - sdio->submit_io(dio->rw, bio, dio->inode, - sdio->logical_offset_in_bio); + sdio->submit_io(bio, dio->inode, sdio->logical_offset_in_bio); dio->bio_cookie = BLK_QC_T_NONE; } else dio->bio_cookie = submit_bio(bio); @@ -479,14 +480,14 @@ static int dio_bio_complete(struct dio *dio, struct bio *bio) if (bio->bi_error) dio->io_error = -EIO; - if (dio->is_async && dio->rw == READ && dio->should_dirty) { + if (dio->is_async && dio->op == REQ_OP_READ && dio->should_dirty) { err = bio->bi_error; bio_check_pages_dirty(bio); /* transfers ownership */ } else { bio_for_each_segment_all(bvec, bio, i) { struct page *page = bvec->bv_page; - if (dio->rw == READ && !PageCompound(page) && + if (dio->op == REQ_OP_READ && !PageCompound(page) && dio->should_dirty) set_page_dirty_lock(page); put_page(page); @@ -639,7 +640,7 @@ static int get_more_blocks(struct dio *dio, struct dio_submit *sdio, * which may decide to handle it or also return an unmapped * buffer head. */ - create = dio->rw & WRITE; + create = dio->op == REQ_OP_WRITE; if (dio->flags & DIO_SKIP_HOLES) { if (fs_startblk <= ((i_size_read(dio->inode) - 1) >> i_blkbits)) @@ -789,7 +790,7 @@ submit_page_section(struct dio *dio, struct dio_submit *sdio, struct page *page, { int ret = 0; - if (dio->rw & WRITE) { + if (dio->op == REQ_OP_WRITE) { /* * Read accounting is performed in submit_bio() */ @@ -989,7 +990,7 @@ do_holes: loff_t i_size_aligned; /* AKPM: eargh, -ENOTBLK is a hack */ - if (dio->rw & WRITE) { + if (dio->op == REQ_OP_WRITE) { put_page(page); return -ENOTBLK; } @@ -1203,7 +1204,12 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, dio->is_async = true; dio->inode = inode; - dio->rw = iov_iter_rw(iter) == WRITE ? WRITE_ODIRECT : READ; + if (iov_iter_rw(iter) == WRITE) { + dio->op = REQ_OP_WRITE; + dio->op_flags = WRITE_ODIRECT; + } else { + dio->op = REQ_OP_READ; + } /* * For AIO O_(D)SYNC writes we need to defer completions to a workqueue diff --git a/include/linux/fs.h b/include/linux/fs.h index 62ca2f9..af6f3c7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2824,7 +2824,7 @@ extern int generic_file_open(struct inode * inode, struct file * filp); extern int nonseekable_open(struct inode * inode, struct file * filp); #ifdef CONFIG_BLOCK -typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode, +typedef void (dio_submit_t)(struct bio *bio, struct inode *inode, loff_t file_offset); enum { -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:00 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 886297CD1 for ; Sun, 5 Jun 2016 14:33:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5B1998F8039 for ; Sun, 5 Jun 2016 12:33:00 -0700 (PDT) X-ASG-Debug-ID: 1465155178-04cb6c2db9b58db0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id jd4p4eJbS5gcV9MT (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:32:58 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 18A0D63E2B; Sun, 5 Jun 2016 19:32:58 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9I003130; Sun, 5 Jun 2016 15:32:55 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 11/45] btrfs: have submit_one_bio users use bio op accessors Date: Sun, 5 Jun 2016 14:31:51 -0500 X-ASG-Orig-Subj: [PATCH 11/45] btrfs: have submit_one_bio users use bio op accessors Message-Id: <1465155145-10812-12-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Sun, 05 Jun 2016 19:32:58 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155178 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11609 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch has btrfs's submit_one_bio users set the bio op using bio_set_op_attrs and get the op using bio_op. The next patches will continue to convert btrfs, so submit_bio_hook and merge_bio_hook related code will be modified to take only the bio. I did not do it in this patch to try and keep it smaller. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/btrfs/extent_io.c | 88 +++++++++++++++++++++++++--------------------------- 1 file changed, 43 insertions(+), 45 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index c1e6f20..48f0302 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2377,7 +2377,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, int read_mode; int ret; - BUG_ON(failed_bio->bi_rw & REQ_WRITE); + BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE); ret = btrfs_get_io_failure_record(inode, start, end, &failrec); if (ret) @@ -2403,6 +2403,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, free_io_failure(inode, failrec); return -EIO; } + bio_set_op_attrs(bio, REQ_OP_READ, read_mode); pr_debug("Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d\n", read_mode, failrec->this_mirror, failrec->in_validation); @@ -2714,8 +2715,8 @@ struct bio *btrfs_io_bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs) } -static int __must_check submit_one_bio(int rw, struct bio *bio, - int mirror_num, unsigned long bio_flags) +static int __must_check submit_one_bio(struct bio *bio, int mirror_num, + unsigned long bio_flags) { int ret = 0; struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; @@ -2726,12 +2727,12 @@ static int __must_check submit_one_bio(int rw, struct bio *bio, start = page_offset(page) + bvec->bv_offset; bio->bi_private = NULL; - bio->bi_rw = rw; bio_get(bio); if (tree->ops && tree->ops->submit_bio_hook) - ret = tree->ops->submit_bio_hook(page->mapping->host, rw, bio, - mirror_num, bio_flags, start); + ret = tree->ops->submit_bio_hook(page->mapping->host, + bio->bi_rw, bio, mirror_num, + bio_flags, start); else btrfsic_submit_bio(bio); @@ -2739,20 +2740,20 @@ static int __must_check submit_one_bio(int rw, struct bio *bio, return ret; } -static int merge_bio(int rw, struct extent_io_tree *tree, struct page *page, +static int merge_bio(struct extent_io_tree *tree, struct page *page, unsigned long offset, size_t size, struct bio *bio, unsigned long bio_flags) { int ret = 0; if (tree->ops && tree->ops->merge_bio_hook) - ret = tree->ops->merge_bio_hook(rw, page, offset, size, bio, - bio_flags); + ret = tree->ops->merge_bio_hook(bio_op(bio), page, offset, size, + bio, bio_flags); BUG_ON(ret < 0); return ret; } -static int submit_extent_page(int rw, struct extent_io_tree *tree, +static int submit_extent_page(int op, int op_flags, struct extent_io_tree *tree, struct writeback_control *wbc, struct page *page, sector_t sector, size_t size, unsigned long offset, @@ -2780,10 +2781,9 @@ static int submit_extent_page(int rw, struct extent_io_tree *tree, if (prev_bio_flags != bio_flags || !contig || force_bio_submit || - merge_bio(rw, tree, page, offset, page_size, bio, bio_flags) || + merge_bio(tree, page, offset, page_size, bio, bio_flags) || bio_add_page(bio, page, page_size, offset) < page_size) { - ret = submit_one_bio(rw, bio, mirror_num, - prev_bio_flags); + ret = submit_one_bio(bio, mirror_num, prev_bio_flags); if (ret < 0) { *bio_ret = NULL; return ret; @@ -2804,6 +2804,7 @@ static int submit_extent_page(int rw, struct extent_io_tree *tree, bio_add_page(bio, page, page_size, offset); bio->bi_end_io = end_io_func; bio->bi_private = tree; + bio_set_op_attrs(bio, op, op_flags); if (wbc) { wbc_init_bio(wbc, bio); wbc_account_io(wbc, page, page_size); @@ -2812,7 +2813,7 @@ static int submit_extent_page(int rw, struct extent_io_tree *tree, if (bio_ret) *bio_ret = bio; else - ret = submit_one_bio(rw, bio, mirror_num, bio_flags); + ret = submit_one_bio(bio, mirror_num, bio_flags); return ret; } @@ -2876,7 +2877,7 @@ static int __do_readpage(struct extent_io_tree *tree, get_extent_t *get_extent, struct extent_map **em_cached, struct bio **bio, int mirror_num, - unsigned long *bio_flags, int rw, + unsigned long *bio_flags, int read_flags, u64 *prev_em_start) { struct inode *inode = page->mapping->host; @@ -3059,8 +3060,8 @@ static int __do_readpage(struct extent_io_tree *tree, } pnr -= page->index; - ret = submit_extent_page(rw, tree, NULL, page, - sector, disk_io_size, pg_offset, + ret = submit_extent_page(REQ_OP_READ, read_flags, tree, NULL, + page, sector, disk_io_size, pg_offset, bdev, bio, pnr, end_bio_extent_readpage, mirror_num, *bio_flags, @@ -3091,7 +3092,7 @@ static inline void __do_contiguous_readpages(struct extent_io_tree *tree, get_extent_t *get_extent, struct extent_map **em_cached, struct bio **bio, int mirror_num, - unsigned long *bio_flags, int rw, + unsigned long *bio_flags, u64 *prev_em_start) { struct inode *inode; @@ -3112,7 +3113,7 @@ static inline void __do_contiguous_readpages(struct extent_io_tree *tree, for (index = 0; index < nr_pages; index++) { __do_readpage(tree, pages[index], get_extent, em_cached, bio, - mirror_num, bio_flags, rw, prev_em_start); + mirror_num, bio_flags, 0, prev_em_start); put_page(pages[index]); } } @@ -3122,7 +3123,7 @@ static void __extent_readpages(struct extent_io_tree *tree, int nr_pages, get_extent_t *get_extent, struct extent_map **em_cached, struct bio **bio, int mirror_num, - unsigned long *bio_flags, int rw, + unsigned long *bio_flags, u64 *prev_em_start) { u64 start = 0; @@ -3144,7 +3145,7 @@ static void __extent_readpages(struct extent_io_tree *tree, index - first_index, start, end, get_extent, em_cached, bio, mirror_num, bio_flags, - rw, prev_em_start); + prev_em_start); start = page_start; end = start + PAGE_SIZE - 1; first_index = index; @@ -3155,7 +3156,7 @@ static void __extent_readpages(struct extent_io_tree *tree, __do_contiguous_readpages(tree, &pages[first_index], index - first_index, start, end, get_extent, em_cached, bio, - mirror_num, bio_flags, rw, + mirror_num, bio_flags, prev_em_start); } @@ -3163,7 +3164,7 @@ static int __extent_read_full_page(struct extent_io_tree *tree, struct page *page, get_extent_t *get_extent, struct bio **bio, int mirror_num, - unsigned long *bio_flags, int rw) + unsigned long *bio_flags, int read_flags) { struct inode *inode = page->mapping->host; struct btrfs_ordered_extent *ordered; @@ -3183,7 +3184,7 @@ static int __extent_read_full_page(struct extent_io_tree *tree, } ret = __do_readpage(tree, page, get_extent, NULL, bio, mirror_num, - bio_flags, rw, NULL); + bio_flags, read_flags, NULL); return ret; } @@ -3195,9 +3196,9 @@ int extent_read_full_page(struct extent_io_tree *tree, struct page *page, int ret; ret = __extent_read_full_page(tree, page, get_extent, &bio, mirror_num, - &bio_flags, READ); + &bio_flags, 0); if (bio) - ret = submit_one_bio(READ, bio, mirror_num, bio_flags); + ret = submit_one_bio(bio, mirror_num, bio_flags); return ret; } @@ -3431,8 +3432,8 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode, page->index, cur, end); } - ret = submit_extent_page(write_flags, tree, wbc, page, - sector, iosize, pg_offset, + ret = submit_extent_page(REQ_OP_WRITE, write_flags, tree, wbc, + page, sector, iosize, pg_offset, bdev, &epd->bio, max_nr, end_bio_extent_writepage, 0, 0, 0, false); @@ -3471,13 +3472,11 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc, size_t pg_offset = 0; loff_t i_size = i_size_read(inode); unsigned long end_index = i_size >> PAGE_SHIFT; - int write_flags; + int write_flags = 0; unsigned long nr_written = 0; if (wbc->sync_mode == WB_SYNC_ALL) write_flags = WRITE_SYNC; - else - write_flags = WRITE; trace___extent_writepage(page, inode, wbc); @@ -3721,7 +3720,7 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb, u64 offset = eb->start; unsigned long i, num_pages; unsigned long bio_flags = 0; - int rw = (epd->sync_io ? WRITE_SYNC : WRITE) | REQ_META; + int write_flags = (epd->sync_io ? WRITE_SYNC : 0) | REQ_META; int ret = 0; clear_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags); @@ -3735,9 +3734,10 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb, clear_page_dirty_for_io(p); set_page_writeback(p); - ret = submit_extent_page(rw, tree, wbc, p, offset >> 9, - PAGE_SIZE, 0, bdev, &epd->bio, - -1, end_bio_extent_buffer_writepage, + ret = submit_extent_page(REQ_OP_WRITE, write_flags, tree, wbc, + p, offset >> 9, PAGE_SIZE, 0, bdev, + &epd->bio, -1, + end_bio_extent_buffer_writepage, 0, epd->bio_flags, bio_flags, false); epd->bio_flags = bio_flags; if (ret) { @@ -4047,13 +4047,12 @@ retry: static void flush_epd_write_bio(struct extent_page_data *epd) { if (epd->bio) { - int rw = WRITE; int ret; - if (epd->sync_io) - rw = WRITE_SYNC; + bio_set_op_attrs(epd->bio, REQ_OP_WRITE, + epd->sync_io ? WRITE_SYNC : 0); - ret = submit_one_bio(rw, epd->bio, 0, epd->bio_flags); + ret = submit_one_bio(epd->bio, 0, epd->bio_flags); BUG_ON(ret < 0); /* -ENOMEM */ epd->bio = NULL; } @@ -4180,19 +4179,19 @@ int extent_readpages(struct extent_io_tree *tree, if (nr < ARRAY_SIZE(pagepool)) continue; __extent_readpages(tree, pagepool, nr, get_extent, &em_cached, - &bio, 0, &bio_flags, READ, &prev_em_start); + &bio, 0, &bio_flags, &prev_em_start); nr = 0; } if (nr) __extent_readpages(tree, pagepool, nr, get_extent, &em_cached, - &bio, 0, &bio_flags, READ, &prev_em_start); + &bio, 0, &bio_flags, &prev_em_start); if (em_cached) free_extent_map(em_cached); BUG_ON(!list_empty(pages)); if (bio) - return submit_one_bio(READ, bio, 0, bio_flags); + return submit_one_bio(bio, 0, bio_flags); return 0; } @@ -5218,7 +5217,7 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, err = __extent_read_full_page(tree, page, get_extent, &bio, mirror_num, &bio_flags, - READ | REQ_META); + REQ_META); if (err) ret = err; } else { @@ -5227,8 +5226,7 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, } if (bio) { - err = submit_one_bio(READ | REQ_META, bio, mirror_num, - bio_flags); + err = submit_one_bio(bio, mirror_num, bio_flags); if (err) return err; } -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0FC4D7CE6 for ; Sun, 5 Jun 2016 14:33:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id D572A304043 for ; Sun, 5 Jun 2016 12:33:02 -0700 (PDT) X-ASG-Debug-ID: 1465155180-04cb6c2dbbb58dc0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id crFM1VoOPBc9VLkw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:01 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 571FB3F139; Sun, 5 Jun 2016 19:33:00 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9J003130; Sun, 5 Jun 2016 15:32:58 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 12/45] btrfs: use bio op accessors Date: Sun, 5 Jun 2016 14:31:52 -0500 X-ASG-Orig-Subj: [PATCH 12/45] btrfs: use bio op accessors Message-Id: <1465155145-10812-13-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 05 Jun 2016 19:33:00 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155180 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15721 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This should be the easier cases to convert btrfs to bio_set_op_attrs/bio_op. They are mostly just cut and replace type of changes. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- v5: - Misset bi_rw to REQ_OP_WRITE in finish_parity_scrub fs/btrfs/check-integrity.c | 19 +++++++++---------- fs/btrfs/compression.c | 4 ++++ fs/btrfs/disk-io.c | 8 ++++---- fs/btrfs/inode.c | 21 ++++++++++++--------- fs/btrfs/raid56.c | 10 +++++----- fs/btrfs/scrub.c | 10 +++++----- fs/btrfs/volumes.c | 15 ++++++++------- 7 files changed, 47 insertions(+), 40 deletions(-) diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 0d3748b..80a4389 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -1673,7 +1673,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, } bio->bi_bdev = block_ctx->dev->bdev; bio->bi_iter.bi_sector = dev_bytenr >> 9; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); for (j = i; j < num_pages; j++) { ret = bio_add_page(bio, block_ctx->pagev[j], @@ -2922,7 +2922,6 @@ int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) static void __btrfsic_submit_bio(struct bio *bio) { struct btrfsic_dev_state *dev_state; - int rw = bio->bi_rw; if (!btrfsic_is_initialized) return; @@ -2932,7 +2931,7 @@ static void __btrfsic_submit_bio(struct bio *bio) * btrfsic_mount(), this might return NULL */ dev_state = btrfsic_dev_state_lookup(bio->bi_bdev); if (NULL != dev_state && - (rw & WRITE) && NULL != bio->bi_io_vec) { + (bio_op(bio) == REQ_OP_WRITE) && NULL != bio->bi_io_vec) { unsigned int i; u64 dev_bytenr; u64 cur_bytenr; @@ -2944,9 +2943,9 @@ static void __btrfsic_submit_bio(struct bio *bio) if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO - "submit_bio(rw=0x%x, bi_vcnt=%u," + "submit_bio(rw=%d,0x%lx, bi_vcnt=%u," " bi_sector=%llu (bytenr %llu), bi_bdev=%p)\n", - rw, bio->bi_vcnt, + bio_op(bio), bio->bi_rw, bio->bi_vcnt, (unsigned long long)bio->bi_iter.bi_sector, dev_bytenr, bio->bi_bdev); @@ -2977,18 +2976,18 @@ static void __btrfsic_submit_bio(struct bio *bio) btrfsic_process_written_block(dev_state, dev_bytenr, mapped_datav, bio->bi_vcnt, bio, &bio_is_patched, - NULL, rw); + NULL, bio->bi_rw); while (i > 0) { i--; kunmap(bio->bi_io_vec[i].bv_page); } kfree(mapped_datav); - } else if (NULL != dev_state && (rw & REQ_FLUSH)) { + } else if (NULL != dev_state && (bio->bi_rw & REQ_FLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO - "submit_bio(rw=0x%x FLUSH, bdev=%p)\n", - rw, bio->bi_bdev); + "submit_bio(rw=%d,0x%lx FLUSH, bdev=%p)\n", + bio_op(bio), bio->bi_rw, bio->bi_bdev); if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) { if ((dev_state->state->print_mask & (BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH | @@ -3006,7 +3005,7 @@ static void __btrfsic_submit_bio(struct bio *bio) block->never_written = 0; block->iodone_w_error = 0; block->flush_gen = dev_state->last_flush_gen + 1; - block->submit_bio_bh_rw = rw; + block->submit_bio_bh_rw = bio->bi_rw; block->orig_bio_bh_private = bio->bi_private; block->orig_bio_bh_end_io.bio = bio->bi_end_io; block->next_in_same_bio = NULL; diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 658c39b..029bd79 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -363,6 +363,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, kfree(cb); return -ENOMEM; } + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_private = cb; bio->bi_end_io = end_compressed_bio_write; atomic_inc(&cb->pending_bios); @@ -408,6 +409,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS); BUG_ON(!bio); + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_private = cb; bio->bi_end_io = end_compressed_bio_write; bio_add_page(bio, page, PAGE_SIZE, 0); @@ -646,6 +648,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS); if (!comp_bio) goto fail2; + bio_set_op_attrs (comp_bio, REQ_OP_READ, 0); comp_bio->bi_private = cb; comp_bio->bi_end_io = end_compressed_bio_read; atomic_inc(&cb->pending_bios); @@ -699,6 +702,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS); BUG_ON(!comp_bio); + bio_set_op_attrs(comp_bio, REQ_OP_READ, 0); comp_bio->bi_private = cb; comp_bio->bi_end_io = end_compressed_bio_read; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 11033ce..93278c2 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -727,7 +727,7 @@ static void end_workqueue_bio(struct bio *bio) fs_info = end_io_wq->info; end_io_wq->error = bio->bi_error; - if (bio->bi_rw & REQ_WRITE) { + if (bio_op(bio) == REQ_OP_WRITE) { if (end_io_wq->metadata == BTRFS_WQ_ENDIO_METADATA) { wq = fs_info->endio_meta_write_workers; func = btrfs_endio_meta_write_helper; @@ -873,7 +873,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, atomic_inc(&fs_info->nr_async_submits); - if (rw & REQ_SYNC) + if (bio->bi_rw & REQ_SYNC) btrfs_set_work_high_priority(&async->work); btrfs_queue_work(fs_info->workers, &async->work); @@ -951,7 +951,7 @@ static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, int async = check_async_write(inode, bio_flags); int ret; - if (!(rw & REQ_WRITE)) { + if (bio_op(bio) != REQ_OP_WRITE) { /* * called for a read, do the setup so that checksum validation * can happen in the async kernel threads @@ -3486,7 +3486,7 @@ static int write_dev_flush(struct btrfs_device *device, int wait) bio->bi_end_io = btrfs_end_empty_barrier; bio->bi_bdev = device->bdev; - bio->bi_rw = WRITE_FLUSH; + bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH); init_completion(&device->flush_wait); bio->bi_private = &device->flush_wait; device->flush_bio = bio; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 96f9192..b07e1d9 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1910,7 +1910,7 @@ static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, if (btrfs_is_free_space_inode(inode)) metadata = BTRFS_WQ_ENDIO_FREE_SPACE; - if (!(rw & REQ_WRITE)) { + if (bio_op(bio) != REQ_OP_WRITE) { ret = btrfs_bio_wq_end_io(root->fs_info, bio, metadata); if (ret) goto out; @@ -7772,7 +7772,7 @@ static inline int submit_dio_repair_bio(struct inode *inode, struct bio *bio, struct btrfs_root *root = BTRFS_I(inode)->root; int ret; - BUG_ON(rw & REQ_WRITE); + BUG_ON(bio_op(bio) == REQ_OP_WRITE); bio_get(bio); @@ -7832,7 +7832,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio, int read_mode; int ret; - BUG_ON(failed_bio->bi_rw & REQ_WRITE); + BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE); ret = btrfs_get_io_failure_record(inode, start, end, &failrec); if (ret) @@ -7860,6 +7860,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio, free_io_failure(inode, failrec); return -EIO; } + bio_set_op_attrs(bio, REQ_OP_READ, read_mode); btrfs_debug(BTRFS_I(inode)->root->fs_info, "Repair DIO Read Error: submitting new dio read[%#x] to this_mirror=%d, in_validation=%d\n", @@ -8174,8 +8175,8 @@ static void btrfs_end_dio_bio(struct bio *bio) if (err) btrfs_warn(BTRFS_I(dip->inode)->root->fs_info, - "direct IO failed ino %llu rw %lu sector %#Lx len %u err no %d", - btrfs_ino(dip->inode), bio->bi_rw, + "direct IO failed ino %llu rw %d,%lu sector %#Lx len %u err no %d", + btrfs_ino(dip->inode), bio_op(bio), bio->bi_rw, (unsigned long long)bio->bi_iter.bi_sector, bio->bi_iter.bi_size, err); @@ -8253,7 +8254,7 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, int async_submit) { struct btrfs_dio_private *dip = bio->bi_private; - int write = rw & REQ_WRITE; + bool write = bio_op(bio) == REQ_OP_WRITE; struct btrfs_root *root = BTRFS_I(inode)->root; int ret; @@ -8319,8 +8320,8 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, int i; map_length = orig_bio->bi_iter.bi_size; - ret = btrfs_map_block(root->fs_info, rw, start_sector << 9, - &map_length, NULL, 0); + ret = btrfs_map_block(root->fs_info, bio_op(orig_bio), + start_sector << 9, &map_length, NULL, 0); if (ret) return -EIO; @@ -8340,6 +8341,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, if (!bio) return -ENOMEM; + bio_set_op_attrs(bio, bio_op(orig_bio), orig_bio->bi_rw); bio->bi_private = dip; bio->bi_end_io = btrfs_end_dio_bio; btrfs_io_bio(bio)->logical = file_offset; @@ -8377,12 +8379,13 @@ next_block: start_sector, GFP_NOFS); if (!bio) goto out_err; + bio_set_op_attrs(bio, bio_op(orig_bio), orig_bio->bi_rw); bio->bi_private = dip; bio->bi_end_io = btrfs_end_dio_bio; btrfs_io_bio(bio)->logical = file_offset; map_length = orig_bio->bi_iter.bi_size; - ret = btrfs_map_block(root->fs_info, rw, + ret = btrfs_map_block(root->fs_info, bio_op(orig_bio), start_sector << 9, &map_length, NULL, 0); if (ret) { diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 36d5bf7..cd8d302 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1320,7 +1320,7 @@ write_data: bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); submit_bio(bio); } @@ -1575,7 +1575,7 @@ static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_rmw_end_io; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); @@ -2100,7 +2100,7 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid_recover_end_io; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); @@ -2437,7 +2437,7 @@ submit_write: bio->bi_private = rbio; bio->bi_end_io = raid_write_end_io; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); submit_bio(bio); } @@ -2616,7 +2616,7 @@ static void raid56_parity_scrub_stripe(struct btrfs_raid_bio *rbio) bio->bi_private = rbio; bio->bi_end_io = raid56_parity_scrub_end_io; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56); diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 44da605..980a555 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1504,7 +1504,7 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info, sblock->no_io_error_seen = 0; } else { bio->bi_iter.bi_sector = page->physical >> 9; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); if (btrfsic_submit_bio_wait(bio)) sblock->no_io_error_seen = 0; @@ -1584,7 +1584,7 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, return -EIO; bio->bi_bdev = page_bad->dev->bdev; bio->bi_iter.bi_sector = page_bad->physical >> 9; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); ret = bio_add_page(bio, page_good->page, PAGE_SIZE, 0); if (PAGE_SIZE != ret) { @@ -1686,7 +1686,7 @@ again: bio->bi_end_io = scrub_wr_bio_end_io; bio->bi_bdev = sbio->dev->bdev; bio->bi_iter.bi_sector = sbio->physical >> 9; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical_for_dev_replace || @@ -2091,7 +2091,7 @@ again: bio->bi_end_io = scrub_bio_end_io; bio->bi_bdev = sbio->dev->bdev; bio->bi_iter.bi_sector = sbio->physical >> 9; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical || @@ -4396,7 +4396,7 @@ static int write_page_nocow(struct scrub_ctx *sctx, bio->bi_iter.bi_size = 0; bio->bi_iter.bi_sector = physical_for_dev_replace >> 9; bio->bi_bdev = dev->bdev; - bio->bi_rw = WRITE_SYNC; + bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_SYNC); ret = bio_add_page(bio, page, PAGE_SIZE, 0); if (ret != PAGE_SIZE) { leave_with_eio: diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index d549f23..4dc2249 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -5934,7 +5934,7 @@ static void btrfs_end_bio(struct bio *bio) BUG_ON(stripe_index >= bbio->num_stripes); dev = bbio->stripes[stripe_index].dev; if (dev->bdev) { - if (bio->bi_rw & WRITE) + if (bio_op(bio) == REQ_OP_WRITE) btrfs_dev_stat_inc(dev, BTRFS_DEV_STAT_WRITE_ERRS); else @@ -5999,7 +5999,7 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, } /* don't bother with additional async steps for reads, right now */ - if (!(bio->bi_rw & REQ_WRITE)) { + if (bio_op(bio) == REQ_OP_READ) { bio_get(bio); btrfsic_submit_bio(bio); bio_put(bio); @@ -6103,8 +6103,8 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, map_length = length; btrfs_bio_counter_inc_blocked(root->fs_info); - ret = __btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio, - mirror_num, 1); + ret = __btrfs_map_block(root->fs_info, bio_op(bio), logical, + &map_length, &bbio, mirror_num, 1); if (ret) { btrfs_bio_counter_dec(root->fs_info); return ret; @@ -6118,10 +6118,10 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, atomic_set(&bbio->stripes_pending, bbio->num_stripes); if ((bbio->map_type & BTRFS_BLOCK_GROUP_RAID56_MASK) && - ((rw & WRITE) || (mirror_num > 1))) { + ((bio_op(bio) == REQ_OP_WRITE) || (mirror_num > 1))) { /* In this case, map_length has been set to the length of a single stripe; not the whole write */ - if (rw & WRITE) { + if (bio_op(bio) == REQ_OP_WRITE) { ret = raid56_parity_write(root, bio, bbio, map_length); } else { ret = raid56_parity_recover(root, bio, bbio, map_length, @@ -6140,7 +6140,8 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, for (dev_nr = 0; dev_nr < total_devs; dev_nr++) { dev = bbio->stripes[dev_nr].dev; - if (!dev || !dev->bdev || (rw & WRITE && !dev->writeable)) { + if (!dev || !dev->bdev || + (bio_op(bio) == REQ_OP_WRITE && !dev->writeable)) { bbio_error(bbio, first_bio, logical); continue; } -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E192B7CB1 for ; Sun, 5 Jun 2016 14:33:04 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9CDE28F8040 for ; Sun, 5 Jun 2016 12:33:04 -0700 (PDT) X-ASG-Debug-ID: 1465155182-04cb6c2dbcb58dd0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id sCMmM0Vcp14bEQPr (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:03 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 915E44629B; Sun, 5 Jun 2016 19:33:02 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9K003130; Sun, 5 Jun 2016 15:33:00 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 13/45] btrfs: update __btrfs_map_block for REQ_OP transition Date: Sun, 5 Jun 2016 14:31:53 -0500 X-ASG-Orig-Subj: [PATCH 13/45] btrfs: update __btrfs_map_block for REQ_OP transition Message-Id: <1465155145-10812-14-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sun, 05 Jun 2016 19:33:02 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155183 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9957 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie We no longer pass in a bitmap of rq_flag_bits bits to __btrfs_map_block. It will always be a REQ_OP, or the btrfs specific REQ_GET_READ_MIRRORS, so this drops the bit tests. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/btrfs/extent-tree.c | 2 +- fs/btrfs/inode.c | 2 +- fs/btrfs/volumes.c | 55 +++++++++++++++++++++++++++----------------------- fs/btrfs/volumes.h | 4 ++-- 4 files changed, 34 insertions(+), 29 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index a400951..70af591 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2043,7 +2043,7 @@ int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr, /* Tell the block device(s) that the sectors can be discarded */ - ret = btrfs_map_block(root->fs_info, REQ_DISCARD, + ret = btrfs_map_block(root->fs_info, REQ_OP_DISCARD, bytenr, &num_bytes, &bbio, 0); /* Error condition is -ENOMEM */ if (!ret) { diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b07e1d9..1575944 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1838,7 +1838,7 @@ int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset, length = bio->bi_iter.bi_size; map_length = length; - ret = btrfs_map_block(root->fs_info, rw, logical, + ret = btrfs_map_block(root->fs_info, bio_op(bio), logical, &map_length, NULL, 0); /* Will always return 0 with map_multi == NULL */ BUG_ON(ret < 0); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 4dc2249..345b183 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -5248,7 +5248,7 @@ void btrfs_put_bbio(struct btrfs_bio *bbio) kfree(bbio); } -static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, +static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op, u64 logical, u64 *length, struct btrfs_bio **bbio_ret, int mirror_num, int need_raid_map) @@ -5334,7 +5334,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, raid56_full_stripe_start *= full_stripe_len; } - if (rw & REQ_DISCARD) { + if (op == REQ_OP_DISCARD) { /* we don't discard raid56 yet */ if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) { ret = -EOPNOTSUPP; @@ -5347,7 +5347,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, For other RAID types and for RAID[56] reads, just allow a single stripe (on a single disk). */ if ((map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) && - (rw & REQ_WRITE)) { + (op == REQ_OP_WRITE)) { max_len = stripe_len * nr_data_stripes(map) - (offset - raid56_full_stripe_start); } else { @@ -5372,8 +5372,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, btrfs_dev_replace_set_lock_blocking(dev_replace); if (dev_replace_is_ongoing && mirror_num == map->num_stripes + 1 && - !(rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS)) && - dev_replace->tgtdev != NULL) { + op != REQ_OP_WRITE && op != REQ_OP_DISCARD && + op != REQ_GET_READ_MIRRORS && dev_replace->tgtdev != NULL) { /* * in dev-replace case, for repair case (that's the only * case where the mirror is selected explicitly when @@ -5460,15 +5460,17 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, (offset + *length); if (map->type & BTRFS_BLOCK_GROUP_RAID0) { - if (rw & REQ_DISCARD) + if (op == REQ_OP_DISCARD) num_stripes = min_t(u64, map->num_stripes, stripe_nr_end - stripe_nr_orig); stripe_nr = div_u64_rem(stripe_nr, map->num_stripes, &stripe_index); - if (!(rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS))) + if (op != REQ_OP_WRITE && op != REQ_OP_DISCARD && + op != REQ_GET_READ_MIRRORS) mirror_num = 1; } else if (map->type & BTRFS_BLOCK_GROUP_RAID1) { - if (rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS)) + if (op == REQ_OP_WRITE || op == REQ_OP_DISCARD || + op == REQ_GET_READ_MIRRORS) num_stripes = map->num_stripes; else if (mirror_num) stripe_index = mirror_num - 1; @@ -5481,7 +5483,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, } } else if (map->type & BTRFS_BLOCK_GROUP_DUP) { - if (rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS)) { + if (op == REQ_OP_WRITE || REQ_OP_DISCARD || + op == REQ_GET_READ_MIRRORS) { num_stripes = map->num_stripes; } else if (mirror_num) { stripe_index = mirror_num - 1; @@ -5495,9 +5498,9 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, stripe_nr = div_u64_rem(stripe_nr, factor, &stripe_index); stripe_index *= map->sub_stripes; - if (rw & (REQ_WRITE | REQ_GET_READ_MIRRORS)) + if (op == REQ_OP_WRITE || op == REQ_GET_READ_MIRRORS) num_stripes = map->sub_stripes; - else if (rw & REQ_DISCARD) + else if (op == REQ_OP_DISCARD) num_stripes = min_t(u64, map->sub_stripes * (stripe_nr_end - stripe_nr_orig), map->num_stripes); @@ -5515,7 +5518,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, } else if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) { if (need_raid_map && - ((rw & (REQ_WRITE | REQ_GET_READ_MIRRORS)) || + (op == REQ_OP_WRITE || op == REQ_GET_READ_MIRRORS || mirror_num > 1)) { /* push stripe_nr back to the start of the full stripe */ stripe_nr = div_u64(raid56_full_stripe_start, @@ -5543,8 +5546,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, /* We distribute the parity blocks across stripes */ div_u64_rem(stripe_nr + stripe_index, map->num_stripes, &stripe_index); - if (!(rw & (REQ_WRITE | REQ_DISCARD | - REQ_GET_READ_MIRRORS)) && mirror_num <= 1) + if ((op != REQ_OP_WRITE && op != REQ_OP_DISCARD && + op != REQ_GET_READ_MIRRORS) && mirror_num <= 1) mirror_num = 1; } } else { @@ -5567,9 +5570,9 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, num_alloc_stripes = num_stripes; if (dev_replace_is_ongoing) { - if (rw & (REQ_WRITE | REQ_DISCARD)) + if (op == REQ_OP_WRITE || op == REQ_OP_DISCARD) num_alloc_stripes <<= 1; - if (rw & REQ_GET_READ_MIRRORS) + if (op == REQ_GET_READ_MIRRORS) num_alloc_stripes++; tgtdev_indexes = num_stripes; } @@ -5584,7 +5587,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, /* build raid_map */ if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK && - need_raid_map && ((rw & (REQ_WRITE | REQ_GET_READ_MIRRORS)) || + need_raid_map && + ((op == REQ_OP_WRITE || op == REQ_GET_READ_MIRRORS) || mirror_num > 1)) { u64 tmp; unsigned rot; @@ -5609,7 +5613,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, RAID6_Q_STRIPE; } - if (rw & REQ_DISCARD) { + if (op == REQ_OP_DISCARD) { u32 factor = 0; u32 sub_stripes = 0; u64 stripes_per_dev = 0; @@ -5689,14 +5693,15 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, } } - if (rw & (REQ_WRITE | REQ_GET_READ_MIRRORS)) + if (op == REQ_OP_WRITE || op == REQ_GET_READ_MIRRORS) max_errors = btrfs_chunk_max_errors(map); if (bbio->raid_map) sort_parity_stripes(bbio, num_stripes); tgtdev_indexes = 0; - if (dev_replace_is_ongoing && (rw & (REQ_WRITE | REQ_DISCARD)) && + if (dev_replace_is_ongoing && + (op == REQ_OP_WRITE || op == REQ_OP_DISCARD) && dev_replace->tgtdev != NULL) { int index_where_to_add; u64 srcdev_devid = dev_replace->srcdev->devid; @@ -5731,7 +5736,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, } } num_stripes = index_where_to_add; - } else if (dev_replace_is_ongoing && (rw & REQ_GET_READ_MIRRORS) && + } else if (dev_replace_is_ongoing && (op == REQ_GET_READ_MIRRORS) && dev_replace->tgtdev != NULL) { u64 srcdev_devid = dev_replace->srcdev->devid; int index_srcdev = 0; @@ -5806,21 +5811,21 @@ out: return ret; } -int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, +int btrfs_map_block(struct btrfs_fs_info *fs_info, int op, u64 logical, u64 *length, struct btrfs_bio **bbio_ret, int mirror_num) { - return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret, + return __btrfs_map_block(fs_info, op, logical, length, bbio_ret, mirror_num, 0); } /* For Scrub/replace */ -int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int rw, +int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int op, u64 logical, u64 *length, struct btrfs_bio **bbio_ret, int mirror_num, int need_raid_map) { - return __btrfs_map_block(fs_info, rw, logical, length, bbio_ret, + return __btrfs_map_block(fs_info, op, logical, length, bbio_ret, mirror_num, need_raid_map); } diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 0ac90f8..3b78700 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -375,10 +375,10 @@ int btrfs_account_dev_extents_size(struct btrfs_device *device, u64 start, u64 end, u64 *length); void btrfs_get_bbio(struct btrfs_bio *bbio); void btrfs_put_bbio(struct btrfs_bio *bbio); -int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, +int btrfs_map_block(struct btrfs_fs_info *fs_info, int op, u64 logical, u64 *length, struct btrfs_bio **bbio_ret, int mirror_num); -int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int rw, +int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int op, u64 logical, u64 *length, struct btrfs_bio **bbio_ret, int mirror_num, int need_raid_map); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 66F7D7CB1 for ; Sun, 5 Jun 2016 14:33:08 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id D516AAC002 for ; Sun, 5 Jun 2016 12:33:07 -0700 (PDT) X-ASG-Debug-ID: 1465155185-04cbb0356ab8abd0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id aHjwCkkGqHKWIMm7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:05 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D26CA2197; Sun, 5 Jun 2016 19:33:04 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9L003130; Sun, 5 Jun 2016 15:33:02 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 14/45] btrfs: use bio fields for op and flags Date: Sun, 5 Jun 2016 14:31:54 -0500 X-ASG-Orig-Subj: [PATCH 14/45] btrfs: use bio fields for op and flags Message-Id: <1465155145-10812-15-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 05 Jun 2016 19:33:04 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155185 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 19943 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie The bio REQ_OP and bi_rw rq_flag_bits are now always setup, so there is no need to pass around the rq_flag_bits bits too. btrfs users should should access the bio insead. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- v2: 1. Fix merge_bio issue where instead of removing rw/op argument I passed it in again to the merge_bio related functions. fs/btrfs/compression.c | 13 ++++++------- fs/btrfs/ctree.h | 2 +- fs/btrfs/disk-io.c | 30 ++++++++++++------------------ fs/btrfs/disk-io.h | 2 +- fs/btrfs/extent_io.c | 12 +++++------- fs/btrfs/extent_io.h | 8 ++++---- fs/btrfs/inode.c | 41 +++++++++++++++++++---------------------- fs/btrfs/volumes.c | 11 +++++------ fs/btrfs/volumes.h | 2 +- 9 files changed, 54 insertions(+), 67 deletions(-) diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 029bd79..cefedab 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -374,7 +374,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, page = compressed_pages[pg_index]; page->mapping = inode->i_mapping; if (bio->bi_iter.bi_size) - ret = io_tree->ops->merge_bio_hook(WRITE, page, 0, + ret = io_tree->ops->merge_bio_hook(page, 0, PAGE_SIZE, bio, 0); else @@ -402,7 +402,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, WRITE, bio, 0, 1); + ret = btrfs_map_bio(root, bio, 0, 1); BUG_ON(ret); /* -ENOMEM */ bio_put(bio); @@ -433,7 +433,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, WRITE, bio, 0, 1); + ret = btrfs_map_bio(root, bio, 0, 1); BUG_ON(ret); /* -ENOMEM */ bio_put(bio); @@ -659,7 +659,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, page->index = em_start >> PAGE_SHIFT; if (comp_bio->bi_iter.bi_size) - ret = tree->ops->merge_bio_hook(READ, page, 0, + ret = tree->ops->merge_bio_hook(page, 0, PAGE_SIZE, comp_bio, 0); else @@ -690,8 +690,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, sums += DIV_ROUND_UP(comp_bio->bi_iter.bi_size, root->sectorsize); - ret = btrfs_map_bio(root, READ, comp_bio, - mirror_num, 0); + ret = btrfs_map_bio(root, comp_bio, mirror_num, 0); if (ret) { bio->bi_error = ret; bio_endio(comp_bio); @@ -721,7 +720,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, READ, comp_bio, mirror_num, 0); + ret = btrfs_map_bio(root, comp_bio, mirror_num, 0); if (ret) { bio->bi_error = ret; bio_endio(comp_bio); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 101c3cf..4088d7f 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3091,7 +3091,7 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, struct btrfs_root *new_root, struct btrfs_root *parent_root, u64 new_dirid); -int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset, +int btrfs_merge_bio_hook(struct page *page, unsigned long offset, size_t size, struct bio *bio, unsigned long bio_flags); int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 93278c2..e80ef6e 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -124,7 +124,6 @@ struct async_submit_bio { struct list_head list; extent_submit_bio_hook_t *submit_bio_start; extent_submit_bio_hook_t *submit_bio_done; - int rw; int mirror_num; unsigned long bio_flags; /* @@ -797,7 +796,7 @@ static void run_one_async_start(struct btrfs_work *work) int ret; async = container_of(work, struct async_submit_bio, work); - ret = async->submit_bio_start(async->inode, async->rw, async->bio, + ret = async->submit_bio_start(async->inode, async->bio, async->mirror_num, async->bio_flags, async->bio_offset); if (ret) @@ -830,9 +829,8 @@ static void run_one_async_done(struct btrfs_work *work) return; } - async->submit_bio_done(async->inode, async->rw, async->bio, - async->mirror_num, async->bio_flags, - async->bio_offset); + async->submit_bio_done(async->inode, async->bio, async->mirror_num, + async->bio_flags, async->bio_offset); } static void run_one_async_free(struct btrfs_work *work) @@ -844,7 +842,7 @@ static void run_one_async_free(struct btrfs_work *work) } int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, - int rw, struct bio *bio, int mirror_num, + struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset, extent_submit_bio_hook_t *submit_bio_start, @@ -857,7 +855,6 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, return -ENOMEM; async->inode = inode; - async->rw = rw; async->bio = bio; async->mirror_num = mirror_num; async->submit_bio_start = submit_bio_start; @@ -903,9 +900,8 @@ static int btree_csum_one_bio(struct bio *bio) return ret; } -static int __btree_submit_bio_start(struct inode *inode, int rw, - struct bio *bio, int mirror_num, - unsigned long bio_flags, +static int __btree_submit_bio_start(struct inode *inode, struct bio *bio, + int mirror_num, unsigned long bio_flags, u64 bio_offset) { /* @@ -915,7 +911,7 @@ static int __btree_submit_bio_start(struct inode *inode, int rw, return btree_csum_one_bio(bio); } -static int __btree_submit_bio_done(struct inode *inode, int rw, struct bio *bio, +static int __btree_submit_bio_done(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset) { @@ -925,7 +921,7 @@ static int __btree_submit_bio_done(struct inode *inode, int rw, struct bio *bio, * when we're called for a write, we're already in the async * submission context. Just jump into btrfs_map_bio */ - ret = btrfs_map_bio(BTRFS_I(inode)->root, rw, bio, mirror_num, 1); + ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 1); if (ret) { bio->bi_error = ret; bio_endio(bio); @@ -944,7 +940,7 @@ static int check_async_write(struct inode *inode, unsigned long bio_flags) return 1; } -static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, +static int btree_submit_bio_hook(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset) { @@ -960,21 +956,19 @@ static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, bio, BTRFS_WQ_ENDIO_METADATA); if (ret) goto out_w_error; - ret = btrfs_map_bio(BTRFS_I(inode)->root, rw, bio, - mirror_num, 0); + ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 0); } else if (!async) { ret = btree_csum_one_bio(bio); if (ret) goto out_w_error; - ret = btrfs_map_bio(BTRFS_I(inode)->root, rw, bio, - mirror_num, 0); + ret = btrfs_map_bio(BTRFS_I(inode)->root, bio, mirror_num, 0); } else { /* * kthread helpers are used to submit writes so that * checksumming can happen in parallel across all CPUs */ ret = btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info, - inode, rw, bio, mirror_num, 0, + inode, bio, mirror_num, 0, bio_offset, __btree_submit_bio_start, __btree_submit_bio_done); diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index 8e79d00..73c21a2 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -122,7 +122,7 @@ void btrfs_csum_final(u32 crc, char *result); int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, enum btrfs_wq_endio_type metadata); int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, - int rw, struct bio *bio, int mirror_num, + struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset, extent_submit_bio_hook_t *submit_bio_start, extent_submit_bio_hook_t *submit_bio_done); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 48f0302..cbaf305 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2408,8 +2408,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, pr_debug("Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d\n", read_mode, failrec->this_mirror, failrec->in_validation); - ret = tree->ops->submit_bio_hook(inode, read_mode, bio, - failrec->this_mirror, + ret = tree->ops->submit_bio_hook(inode, bio, failrec->this_mirror, failrec->bio_flags, 0); if (ret) { free_io_failure(inode, failrec); @@ -2730,9 +2729,8 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num, bio_get(bio); if (tree->ops && tree->ops->submit_bio_hook) - ret = tree->ops->submit_bio_hook(page->mapping->host, - bio->bi_rw, bio, mirror_num, - bio_flags, start); + ret = tree->ops->submit_bio_hook(page->mapping->host, bio, + mirror_num, bio_flags, start); else btrfsic_submit_bio(bio); @@ -2746,8 +2744,8 @@ static int merge_bio(struct extent_io_tree *tree, struct page *page, { int ret = 0; if (tree->ops && tree->ops->merge_bio_hook) - ret = tree->ops->merge_bio_hook(bio_op(bio), page, offset, size, - bio, bio_flags); + ret = tree->ops->merge_bio_hook(page, offset, size, bio, + bio_flags); BUG_ON(ret < 0); return ret; diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 1baf19c..fb9dcc9 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -63,16 +63,16 @@ struct btrfs_root; struct btrfs_io_bio; struct io_failure_record; -typedef int (extent_submit_bio_hook_t)(struct inode *inode, int rw, - struct bio *bio, int mirror_num, - unsigned long bio_flags, u64 bio_offset); +typedef int (extent_submit_bio_hook_t)(struct inode *inode, struct bio *bio, + int mirror_num, unsigned long bio_flags, + u64 bio_offset); struct extent_io_ops { int (*fill_delalloc)(struct inode *inode, struct page *locked_page, u64 start, u64 end, int *page_started, unsigned long *nr_written); int (*writepage_start_hook)(struct page *page, u64 start, u64 end); extent_submit_bio_hook_t *submit_bio_hook; - int (*merge_bio_hook)(int rw, struct page *page, unsigned long offset, + int (*merge_bio_hook)(struct page *page, unsigned long offset, size_t size, struct bio *bio, unsigned long bio_flags); int (*readpage_io_failed_hook)(struct page *page, int failed_mirror); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 1575944..128b02b 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1823,7 +1823,7 @@ static void btrfs_clear_bit_hook(struct inode *inode, * extent_io.c merge_bio_hook, this must check the chunk tree to make sure * we don't create bios that span stripes or chunks */ -int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset, +int btrfs_merge_bio_hook(struct page *page, unsigned long offset, size_t size, struct bio *bio, unsigned long bio_flags) { @@ -1855,9 +1855,8 @@ int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset, * At IO completion time the cums attached on the ordered extent record * are inserted into the btree */ -static int __btrfs_submit_bio_start(struct inode *inode, int rw, - struct bio *bio, int mirror_num, - unsigned long bio_flags, +static int __btrfs_submit_bio_start(struct inode *inode, struct bio *bio, + int mirror_num, unsigned long bio_flags, u64 bio_offset) { struct btrfs_root *root = BTRFS_I(inode)->root; @@ -1876,14 +1875,14 @@ static int __btrfs_submit_bio_start(struct inode *inode, int rw, * At IO completion time the cums attached on the ordered extent record * are inserted into the btree */ -static int __btrfs_submit_bio_done(struct inode *inode, int rw, struct bio *bio, +static int __btrfs_submit_bio_done(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset) { struct btrfs_root *root = BTRFS_I(inode)->root; int ret; - ret = btrfs_map_bio(root, rw, bio, mirror_num, 1); + ret = btrfs_map_bio(root, bio, mirror_num, 1); if (ret) { bio->bi_error = ret; bio_endio(bio); @@ -1895,7 +1894,7 @@ static int __btrfs_submit_bio_done(struct inode *inode, int rw, struct bio *bio, * extent_io.c submission hook. This does the right thing for csum calculation * on write, or reading the csums from the tree before a read */ -static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, +static int btrfs_submit_bio_hook(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset) { @@ -1932,7 +1931,7 @@ static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, goto mapit; /* we're doing a write, do the async checksumming */ ret = btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info, - inode, rw, bio, mirror_num, + inode, bio, mirror_num, bio_flags, bio_offset, __btrfs_submit_bio_start, __btrfs_submit_bio_done); @@ -1944,7 +1943,7 @@ static int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, } mapit: - ret = btrfs_map_bio(root, rw, bio, mirror_num, 0); + ret = btrfs_map_bio(root, bio, mirror_num, 0); out: if (ret < 0) { @@ -7767,7 +7766,7 @@ err: } static inline int submit_dio_repair_bio(struct inode *inode, struct bio *bio, - int rw, int mirror_num) + int mirror_num) { struct btrfs_root *root = BTRFS_I(inode)->root; int ret; @@ -7781,7 +7780,7 @@ static inline int submit_dio_repair_bio(struct inode *inode, struct bio *bio, if (ret) goto err; - ret = btrfs_map_bio(root, rw, bio, mirror_num, 0); + ret = btrfs_map_bio(root, bio, mirror_num, 0); err: bio_put(bio); return ret; @@ -7866,8 +7865,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio, "Repair DIO Read Error: submitting new dio read[%#x] to this_mirror=%d, in_validation=%d\n", read_mode, failrec->this_mirror, failrec->in_validation); - ret = submit_dio_repair_bio(inode, bio, read_mode, - failrec->this_mirror); + ret = submit_dio_repair_bio(inode, bio, failrec->this_mirror); if (ret) { free_io_failure(inode, failrec); bio_put(bio); @@ -8157,7 +8155,7 @@ static void btrfs_endio_direct_write(struct bio *bio) bio_put(bio); } -static int __btrfs_submit_bio_start_direct_io(struct inode *inode, int rw, +static int __btrfs_submit_bio_start_direct_io(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 offset) { @@ -8250,7 +8248,7 @@ static inline int btrfs_lookup_and_bind_dio_csum(struct btrfs_root *root, } static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, - int rw, u64 file_offset, int skip_sum, + u64 file_offset, int skip_sum, int async_submit) { struct btrfs_dio_private *dip = bio->bi_private; @@ -8275,8 +8273,7 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, if (write && async_submit) { ret = btrfs_wq_submit_bio(root->fs_info, - inode, rw, bio, 0, 0, - file_offset, + inode, bio, 0, 0, file_offset, __btrfs_submit_bio_start_direct_io, __btrfs_submit_bio_done); goto err; @@ -8295,13 +8292,13 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, goto err; } map: - ret = btrfs_map_bio(root, rw, bio, 0, async_submit); + ret = btrfs_map_bio(root, bio, 0, async_submit); err: bio_put(bio); return ret; } -static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, +static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip, int skip_sum) { struct inode *inode = dip->inode; @@ -8361,7 +8358,7 @@ next_block: * before we're done setting it up */ atomic_inc(&dip->pending_bios); - ret = __btrfs_submit_dio_bio(bio, inode, rw, + ret = __btrfs_submit_dio_bio(bio, inode, file_offset, skip_sum, async_submit); if (ret) { @@ -8405,7 +8402,7 @@ next_block: } submit: - ret = __btrfs_submit_dio_bio(bio, inode, rw, file_offset, skip_sum, + ret = __btrfs_submit_dio_bio(bio, inode, file_offset, skip_sum, async_submit); if (!ret) return 0; @@ -8483,7 +8480,7 @@ static void btrfs_submit_direct(struct bio *dio_bio, struct inode *inode, dio_data->unsubmitted_oe_range_end; } - ret = btrfs_submit_direct_hook(dio_bio->bi_rw, dip, skip_sum); + ret = btrfs_submit_direct_hook(dip, skip_sum); if (!ret) return; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 345b183..125d13b 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6045,7 +6045,7 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root, static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, struct bio *bio, u64 physical, int dev_nr, - int rw, int async) + int async) { struct btrfs_device *dev = bbio->stripes[dev_nr].dev; @@ -6053,15 +6053,14 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, btrfs_io_bio(bio)->stripe_index = dev_nr; bio->bi_end_io = btrfs_end_bio; bio->bi_iter.bi_sector = physical >> 9; - bio->bi_rw |= rw; #ifdef DEBUG { struct rcu_string *name; rcu_read_lock(); name = rcu_dereference(dev->name); - pr_debug("btrfs_map_bio: rw %d, sector=%llu, dev=%lu " - "(%s id %llu), size=%u\n", rw, + pr_debug("btrfs_map_bio: rw %d 0x%x, sector=%llu, dev=%lu " + "(%s id %llu), size=%u\n", bio_op(bio), bio->bi_rw, (u64)bio->bi_iter.bi_sector, (u_long)dev->bdev->bd_dev, name->str, dev->devid, bio->bi_iter.bi_size); rcu_read_unlock(); @@ -6091,7 +6090,7 @@ static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical) } } -int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, +int btrfs_map_bio(struct btrfs_root *root, struct bio *bio, int mirror_num, int async_submit) { struct btrfs_device *dev; @@ -6158,7 +6157,7 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, bio = first_bio; submit_stripe_bio(root, bbio, bio, - bbio->stripes[dev_nr].physical, dev_nr, rw, + bbio->stripes[dev_nr].physical, dev_nr, async_submit); } btrfs_bio_counter_dec(root->fs_info); diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 3b78700..6613e63 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -391,7 +391,7 @@ int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, struct btrfs_root *extent_root, u64 type); void btrfs_mapping_init(struct btrfs_mapping_tree *tree); void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree); -int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, +int btrfs_map_bio(struct btrfs_root *root, struct bio *bio, int mirror_num, int async_submit); int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, fmode_t flags, void *holder); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EDAA77CED for ; Sun, 5 Jun 2016 14:33:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 79126AC002 for ; Sun, 5 Jun 2016 12:33:09 -0700 (PDT) X-ASG-Debug-ID: 1465155187-04bdf05ad4b78480001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id MTxramBMKfIVL70e (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:07 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 208EF1555B; Sun, 5 Jun 2016 19:33:07 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9M003130; Sun, 5 Jun 2016 15:33:04 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 15/45] f2fs: use bio op accessors Date: Sun, 5 Jun 2016 14:31:55 -0500 X-ASG-Orig-Subj: [PATCH 15/45] f2fs: use bio op accessors Message-Id: <1465155145-10812-16-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sun, 05 Jun 2016 19:33:07 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155187 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 16155 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have f2fs set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/f2fs/checkpoint.c | 10 ++++++---- fs/f2fs/data.c | 47 ++++++++++++++++++++++++++------------------- fs/f2fs/f2fs.h | 5 +++-- fs/f2fs/gc.c | 9 ++++++--- fs/f2fs/inline.c | 3 ++- fs/f2fs/node.c | 8 +++++--- fs/f2fs/segment.c | 12 +++++++----- fs/f2fs/trace.c | 7 ++++--- include/trace/events/f2fs.h | 34 +++++++++++++++++++------------- 9 files changed, 81 insertions(+), 54 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 3891600..b6d600e 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -63,14 +63,15 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index, struct f2fs_io_info fio = { .sbi = sbi, .type = META, - .rw = READ_SYNC | REQ_META | REQ_PRIO, + .op = REQ_OP_READ, + .op_flags = READ_SYNC | REQ_META | REQ_PRIO, .old_blkaddr = index, .new_blkaddr = index, .encrypted_page = NULL, }; if (unlikely(!is_meta)) - fio.rw &= ~REQ_META; + fio.op_flags &= ~REQ_META; repeat: page = f2fs_grab_cache_page(mapping, index, false); if (!page) { @@ -157,13 +158,14 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, struct f2fs_io_info fio = { .sbi = sbi, .type = META, - .rw = sync ? (READ_SYNC | REQ_META | REQ_PRIO) : READA, + .op = REQ_OP_READ, + .op_flags = sync ? (READ_SYNC | REQ_META | REQ_PRIO) : READA, .encrypted_page = NULL, }; struct blk_plug plug; if (unlikely(type == META_POR)) - fio.rw &= ~REQ_META; + fio.op_flags &= ~REQ_META; blk_start_plug(&plug); for (; nrpages-- > 0; blkno++) { diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index c595c8f..8769e83 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -97,12 +97,10 @@ static struct bio *__bio_alloc(struct f2fs_sb_info *sbi, block_t blk_addr, return bio; } -static inline void __submit_bio(struct f2fs_sb_info *sbi, int rw, - struct bio *bio) +static inline void __submit_bio(struct f2fs_sb_info *sbi, struct bio *bio) { - if (!is_read_io(rw)) + if (!is_read_io(bio_op(bio))) atomic_inc(&sbi->nr_wb_bios); - bio->bi_rw = rw; submit_bio(bio); } @@ -113,12 +111,14 @@ static void __submit_merged_bio(struct f2fs_bio_info *io) if (!io->bio) return; - if (is_read_io(fio->rw)) + if (is_read_io(fio->op)) trace_f2fs_submit_read_bio(io->sbi->sb, fio, io->bio); else trace_f2fs_submit_write_bio(io->sbi->sb, fio, io->bio); - __submit_bio(io->sbi, fio->rw, io->bio); + bio_set_op_attrs(io->bio, fio->op, fio->op_flags); + + __submit_bio(io->sbi, io->bio); io->bio = NULL; } @@ -184,10 +184,12 @@ static void __f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, /* change META to META_FLUSH in the checkpoint procedure */ if (type >= META_FLUSH) { io->fio.type = META_FLUSH; + io->fio.op = REQ_OP_WRITE; if (test_opt(sbi, NOBARRIER)) - io->fio.rw = WRITE_FLUSH | REQ_META | REQ_PRIO; + io->fio.op_flags = WRITE_FLUSH | REQ_META | REQ_PRIO; else - io->fio.rw = WRITE_FLUSH_FUA | REQ_META | REQ_PRIO; + io->fio.op_flags = WRITE_FLUSH_FUA | REQ_META | + REQ_PRIO; } __submit_merged_bio(io); out: @@ -229,14 +231,16 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio) f2fs_trace_ios(fio, 0); /* Allocate a new bio */ - bio = __bio_alloc(fio->sbi, fio->new_blkaddr, 1, is_read_io(fio->rw)); + bio = __bio_alloc(fio->sbi, fio->new_blkaddr, 1, is_read_io(fio->op)); if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) { bio_put(bio); return -EFAULT; } + bio->bi_rw = fio->op_flags; + bio_set_op_attrs(bio, fio->op, fio->op_flags); - __submit_bio(fio->sbi, fio->rw, bio); + __submit_bio(fio->sbi, bio); return 0; } @@ -245,7 +249,7 @@ void f2fs_submit_page_mbio(struct f2fs_io_info *fio) struct f2fs_sb_info *sbi = fio->sbi; enum page_type btype = PAGE_TYPE_OF_BIO(fio->type); struct f2fs_bio_info *io; - bool is_read = is_read_io(fio->rw); + bool is_read = is_read_io(fio->op); struct page *bio_page; io = is_read ? &sbi->read_io : &sbi->write_io[btype]; @@ -257,7 +261,7 @@ void f2fs_submit_page_mbio(struct f2fs_io_info *fio) down_write(&io->io_rwsem); if (io->bio && (io->last_block_in_bio != fio->new_blkaddr - 1 || - io->fio.rw != fio->rw)) + (io->fio.op != fio->op || io->fio.op_flags != fio->op_flags))) __submit_merged_bio(io); alloc_new: if (io->bio == NULL) { @@ -391,7 +395,7 @@ int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index) } struct page *get_read_data_page(struct inode *inode, pgoff_t index, - int rw, bool for_write) + int op_flags, bool for_write) { struct address_space *mapping = inode->i_mapping; struct dnode_of_data dn; @@ -401,7 +405,8 @@ struct page *get_read_data_page(struct inode *inode, pgoff_t index, struct f2fs_io_info fio = { .sbi = F2FS_I_SB(inode), .type = DATA, - .rw = rw, + .op = REQ_OP_READ, + .op_flags = op_flags, .encrypted_page = NULL, }; @@ -1052,7 +1057,7 @@ got_it: */ if (bio && (last_block_in_bio != block_nr - 1)) { submit_and_realloc: - __submit_bio(F2FS_I_SB(inode), READ, bio); + __submit_bio(F2FS_I_SB(inode), bio); bio = NULL; } if (bio == NULL) { @@ -1081,7 +1086,7 @@ submit_and_realloc: bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(block_nr); bio->bi_end_io = f2fs_read_end_io; bio->bi_private = ctx; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); } if (bio_add_page(bio, page, blocksize, 0) < blocksize) @@ -1096,7 +1101,7 @@ set_error_page: goto next_page; confused: if (bio) { - __submit_bio(F2FS_I_SB(inode), READ, bio); + __submit_bio(F2FS_I_SB(inode), bio); bio = NULL; } unlock_page(page); @@ -1106,7 +1111,7 @@ next_page: } BUG_ON(pages && !list_empty(pages)); if (bio) - __submit_bio(F2FS_I_SB(inode), READ, bio); + __submit_bio(F2FS_I_SB(inode), bio); return 0; } @@ -1223,7 +1228,8 @@ static int f2fs_write_data_page(struct page *page, struct f2fs_io_info fio = { .sbi = sbi, .type = DATA, - .rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE, + .op = REQ_OP_WRITE, + .op_flags = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : 0, .page = page, .encrypted_page = NULL, }; @@ -1664,7 +1670,8 @@ repeat: struct f2fs_io_info fio = { .sbi = sbi, .type = DATA, - .rw = READ_SYNC, + .op = REQ_OP_READ, + .op_flags = READ_SYNC, .old_blkaddr = blkaddr, .new_blkaddr = blkaddr, .page = page, diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 916e7c2..23ae6a8 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -686,14 +686,15 @@ enum page_type { struct f2fs_io_info { struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ - int rw; /* contains R/RS/W/WS with REQ_META/REQ_PRIO */ + int op; /* contains REQ_OP_ */ + int op_flags; /* rq_flag_bits */ block_t new_blkaddr; /* new block address to be written */ block_t old_blkaddr; /* old block address before Cow */ struct page *page; /* page to be written */ struct page *encrypted_page; /* encrypted page */ }; -#define is_read_io(rw) (((rw) & 1) == READ) +#define is_read_io(rw) (rw == READ) struct f2fs_bio_info { struct f2fs_sb_info *sbi; /* f2fs superblock */ struct bio *bio; /* bios to merge */ diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 38d56f6..3649d86 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -538,7 +538,8 @@ static void move_encrypted_block(struct inode *inode, block_t bidx) struct f2fs_io_info fio = { .sbi = F2FS_I_SB(inode), .type = DATA, - .rw = READ_SYNC, + .op = REQ_OP_READ, + .op_flags = READ_SYNC, .encrypted_page = NULL, }; struct dnode_of_data dn; @@ -612,7 +613,8 @@ static void move_encrypted_block(struct inode *inode, block_t bidx) /* allocate block address */ f2fs_wait_on_page_writeback(dn.node_page, NODE, true); - fio.rw = WRITE_SYNC; + fio.op = REQ_OP_WRITE; + fio.op_flags = WRITE_SYNC; fio.new_blkaddr = newaddr; f2fs_submit_page_mbio(&fio); @@ -649,7 +651,8 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type) struct f2fs_io_info fio = { .sbi = F2FS_I_SB(inode), .type = DATA, - .rw = WRITE_SYNC, + .op = REQ_OP_WRITE, + .op_flags = WRITE_SYNC, .page = page, .encrypted_page = NULL, }; diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index a4bb155..c15e53c 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -108,7 +108,8 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page) struct f2fs_io_info fio = { .sbi = F2FS_I_SB(dn->inode), .type = DATA, - .rw = WRITE_SYNC | REQ_PRIO, + .op = REQ_OP_WRITE, + .op_flags = WRITE_SYNC | REQ_PRIO, .page = page, .encrypted_page = NULL, }; diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 1f21aae..e534039 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1070,14 +1070,15 @@ fail: * 0: f2fs_put_page(page, 0) * LOCKED_PAGE or error: f2fs_put_page(page, 1) */ -static int read_node_page(struct page *page, int rw) +static int read_node_page(struct page *page, int op_flags) { struct f2fs_sb_info *sbi = F2FS_P_SB(page); struct node_info ni; struct f2fs_io_info fio = { .sbi = sbi, .type = NODE, - .rw = rw, + .op = REQ_OP_READ, + .op_flags = op_flags, .page = page, .encrypted_page = NULL, }; @@ -1568,7 +1569,8 @@ static int f2fs_write_node_page(struct page *page, struct f2fs_io_info fio = { .sbi = sbi, .type = NODE, - .rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE, + .op = REQ_OP_WRITE, + .op_flags = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : 0, .page = page, .encrypted_page = NULL, }; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 3fe2fab..4c2d1fa 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -257,7 +257,8 @@ static int __commit_inmem_pages(struct inode *inode, struct f2fs_io_info fio = { .sbi = sbi, .type = DATA, - .rw = WRITE_SYNC | REQ_PRIO, + .op = REQ_OP_WRITE, + .op_flags = WRITE_SYNC | REQ_PRIO, .encrypted_page = NULL, }; bool submit_bio = false; @@ -406,7 +407,7 @@ repeat: fcc->dispatch_list = llist_reverse_order(fcc->dispatch_list); bio->bi_bdev = sbi->sb->s_bdev; - bio->bi_rw = WRITE_FLUSH; + bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH); ret = submit_bio_wait(bio); llist_for_each_entry_safe(cmd, next, @@ -439,7 +440,7 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi) int ret; bio->bi_bdev = sbi->sb->s_bdev; - bio->bi_rw = WRITE_FLUSH; + bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH); ret = submit_bio_wait(bio); bio_put(bio); return ret; @@ -1403,7 +1404,8 @@ void write_meta_page(struct f2fs_sb_info *sbi, struct page *page) struct f2fs_io_info fio = { .sbi = sbi, .type = META, - .rw = WRITE_SYNC | REQ_META | REQ_PRIO, + .op = REQ_OP_WRITE, + .op_flags = WRITE_SYNC | REQ_META | REQ_PRIO, .old_blkaddr = page->index, .new_blkaddr = page->index, .page = page, @@ -1411,7 +1413,7 @@ void write_meta_page(struct f2fs_sb_info *sbi, struct page *page) }; if (unlikely(page->index >= MAIN_BLKADDR(sbi))) - fio.rw &= ~REQ_META; + fio.op_flags &= ~REQ_META; set_page_writeback(page); f2fs_submit_page_mbio(&fio); diff --git a/fs/f2fs/trace.c b/fs/f2fs/trace.c index 562ce08..73b4e1d 100644 --- a/fs/f2fs/trace.c +++ b/fs/f2fs/trace.c @@ -25,11 +25,11 @@ static inline void __print_last_io(void) if (!last_io.len) return; - trace_printk("%3x:%3x %4x %-16s %2x %5x %12x %4x\n", + trace_printk("%3x:%3x %4x %-16s %2x %5x %5x %12x %4x\n", last_io.major, last_io.minor, last_io.pid, "----------------", last_io.type, - last_io.fio.rw, + last_io.fio.op, last_io.fio.op_flags, last_io.fio.new_blkaddr, last_io.len); memset(&last_io, 0, sizeof(last_io)); @@ -101,7 +101,8 @@ void f2fs_trace_ios(struct f2fs_io_info *fio, int flush) if (last_io.major == major && last_io.minor == minor && last_io.pid == pid && last_io.type == __file_type(inode, pid) && - last_io.fio.rw == fio->rw && + last_io.fio.op == fio->op && + last_io.fio.op_flags == fio->op_flags && last_io.fio.new_blkaddr + last_io.len == fio->new_blkaddr) { last_io.len++; diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 3a09bb4..733b896 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -56,17 +56,21 @@ TRACE_DEFINE_ENUM(CP_DISCARD); { IPU, "IN-PLACE" }, \ { OPU, "OUT-OF-PLACE" }) -#define F2FS_BIO_MASK(t) (t & (READA | WRITE_FLUSH_FUA)) +#define F2FS_BIO_FLAG_MASK(t) (t & (READA | WRITE_FLUSH_FUA)) #define F2FS_BIO_EXTRA_MASK(t) (t & (REQ_META | REQ_PRIO)) -#define show_bio_type(type) show_bio_base(type), show_bio_extra(type) +#define show_bio_type(op, op_flags) show_bio_op(op), \ + show_bio_op_flags(op_flags), show_bio_extra(op_flags) -#define show_bio_base(type) \ - __print_symbolic(F2FS_BIO_MASK(type), \ +#define show_bio_op(op) \ + __print_symbolic(op, \ { READ, "READ" }, \ + { WRITE, "WRITE" }) + +#define show_bio_op_flags(flags) \ + __print_symbolic(F2FS_BIO_FLAG_MASK(flags), \ { READA, "READAHEAD" }, \ { READ_SYNC, "READ_SYNC" }, \ - { WRITE, "WRITE" }, \ { WRITE_SYNC, "WRITE_SYNC" }, \ { WRITE_FLUSH, "WRITE_FLUSH" }, \ { WRITE_FUA, "WRITE_FUA" }, \ @@ -734,7 +738,8 @@ DECLARE_EVENT_CLASS(f2fs__submit_page_bio, __field(pgoff_t, index) __field(block_t, old_blkaddr) __field(block_t, new_blkaddr) - __field(int, rw) + __field(int, op) + __field(int, op_flags) __field(int, type) ), @@ -744,17 +749,18 @@ DECLARE_EVENT_CLASS(f2fs__submit_page_bio, __entry->index = page->index; __entry->old_blkaddr = fio->old_blkaddr; __entry->new_blkaddr = fio->new_blkaddr; - __entry->rw = fio->rw; + __entry->op = fio->op; + __entry->op_flags = fio->op_flags; __entry->type = fio->type; ), TP_printk("dev = (%d,%d), ino = %lu, page_index = 0x%lx, " - "oldaddr = 0x%llx, newaddr = 0x%llx rw = %s%s, type = %s", + "oldaddr = 0x%llx, newaddr = 0x%llx rw = %s%si%s, type = %s", show_dev_ino(__entry), (unsigned long)__entry->index, (unsigned long long)__entry->old_blkaddr, (unsigned long long)__entry->new_blkaddr, - show_bio_type(__entry->rw), + show_bio_type(__entry->op, __entry->op_flags), show_block_type(__entry->type)) ); @@ -785,7 +791,8 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio, TP_STRUCT__entry( __field(dev_t, dev) - __field(int, rw) + __field(int, op) + __field(int, op_flags) __field(int, type) __field(sector_t, sector) __field(unsigned int, size) @@ -793,15 +800,16 @@ DECLARE_EVENT_CLASS(f2fs__submit_bio, TP_fast_assign( __entry->dev = sb->s_dev; - __entry->rw = fio->rw; + __entry->op = fio->op; + __entry->op_flags = fio->op_flags; __entry->type = fio->type; __entry->sector = bio->bi_iter.bi_sector; __entry->size = bio->bi_iter.bi_size; ), - TP_printk("dev = (%d,%d), %s%s, %s, sector = %lld, size = %u", + TP_printk("dev = (%d,%d), %s%s%s, %s, sector = %lld, size = %u", show_dev(__entry), - show_bio_type(__entry->rw), + show_bio_type(__entry->op, __entry->op_flags), show_block_type(__entry->type), (unsigned long long)__entry->sector, __entry->size) -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:12 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 723D97CB6 for ; Sun, 5 Jun 2016 14:33:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 439038F8037 for ; Sun, 5 Jun 2016 12:33:11 -0700 (PDT) X-ASG-Debug-ID: 1465155189-04cb6c2dbbb58dd0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id C3gVefYVXr5rijtd (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:10 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6B0C180085; Sun, 5 Jun 2016 19:33:09 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9N003130; Sun, 5 Jun 2016 15:33:07 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 16/45] gfs2: use bio op accessors Date: Sun, 5 Jun 2016 14:31:56 -0500 X-ASG-Orig-Subj: [PATCH 16/45] gfs2: use bio op accessors Message-Id: <1465155145-10812-17-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Sun, 05 Jun 2016 19:33:09 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155190 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5624 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have gfs2 set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/gfs2/log.c | 8 ++++---- fs/gfs2/lops.c | 11 ++++++----- fs/gfs2/lops.h | 2 +- fs/gfs2/meta_io.c | 7 ++++--- fs/gfs2/ops_fstype.c | 2 +- 5 files changed, 16 insertions(+), 14 deletions(-) diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 0ff028c..e58ccef0 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -657,7 +657,7 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags) struct gfs2_log_header *lh; unsigned int tail; u32 hash; - int rw = WRITE_FLUSH_FUA | REQ_META; + int op_flags = WRITE_FLUSH_FUA | REQ_META; struct page *page = mempool_alloc(gfs2_page_pool, GFP_NOIO); enum gfs2_freeze_state state = atomic_read(&sdp->sd_freeze_state); lh = page_address(page); @@ -682,12 +682,12 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags) if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags)) { gfs2_ordered_wait(sdp); log_flush_wait(sdp); - rw = WRITE_SYNC | REQ_META | REQ_PRIO; + op_flags = WRITE_SYNC | REQ_META | REQ_PRIO; } sdp->sd_log_idle = (tail == sdp->sd_log_flush_head); gfs2_log_write_page(sdp, page); - gfs2_log_flush_bio(sdp, rw); + gfs2_log_flush_bio(sdp, REQ_OP_WRITE, op_flags); log_flush_wait(sdp); if (sdp->sd_log_tail != tail) @@ -738,7 +738,7 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, gfs2_ordered_write(sdp); lops_before_commit(sdp, tr); - gfs2_log_flush_bio(sdp, WRITE); + gfs2_log_flush_bio(sdp, REQ_OP_WRITE, 0); if (sdp->sd_log_head != sdp->sd_log_flush_head) { log_flush_wait(sdp); diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index ce28242..58d1c98 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -230,17 +230,18 @@ static void gfs2_end_log_write(struct bio *bio) /** * gfs2_log_flush_bio - Submit any pending log bio * @sdp: The superblock - * @rw: The rw flags + * @op: REQ_OP + * @op_flags: rq_flag_bits * * Submit any pending part-built or full bio to the block device. If * there is no pending bio, then this is a no-op. */ -void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int rw) +void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int op, int op_flags) { if (sdp->sd_log_bio) { atomic_inc(&sdp->sd_log_in_flight); - sdp->sd_log_bio->bi_rw = rw; + bio_set_op_attrs(sdp->sd_log_bio, op, op_flags); submit_bio(sdp->sd_log_bio); sdp->sd_log_bio = NULL; } @@ -300,7 +301,7 @@ static struct bio *gfs2_log_get_bio(struct gfs2_sbd *sdp, u64 blkno) nblk >>= sdp->sd_fsb2bb_shift; if (blkno == nblk) return bio; - gfs2_log_flush_bio(sdp, WRITE); + gfs2_log_flush_bio(sdp, REQ_OP_WRITE, 0); } return gfs2_log_alloc_bio(sdp, blkno); @@ -329,7 +330,7 @@ static void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page, bio = gfs2_log_get_bio(sdp, blkno); ret = bio_add_page(bio, page, size, offset); if (ret == 0) { - gfs2_log_flush_bio(sdp, WRITE); + gfs2_log_flush_bio(sdp, REQ_OP_WRITE, 0); bio = gfs2_log_alloc_bio(sdp, blkno); ret = bio_add_page(bio, page, size, offset); WARN_ON(ret == 0); diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h index a65a7ba..e529f53 100644 --- a/fs/gfs2/lops.h +++ b/fs/gfs2/lops.h @@ -27,7 +27,7 @@ extern const struct gfs2_log_operations gfs2_databuf_lops; extern const struct gfs2_log_operations *gfs2_log_ops[]; extern void gfs2_log_write_page(struct gfs2_sbd *sdp, struct page *page); -extern void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int rw); +extern void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int op, int op_flags); extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh); static inline unsigned int buf_limit(struct gfs2_sbd *sdp) diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index b718447..052c113 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -213,7 +213,8 @@ static void gfs2_meta_read_endio(struct bio *bio) * Submit several consecutive buffer head I/O requests as a single bio I/O * request. (See submit_bh_wbc.) */ -static void gfs2_submit_bhs(int rw, struct buffer_head *bhs[], int num) +static void gfs2_submit_bhs(int op, int op_flags, struct buffer_head *bhs[], + int num) { struct buffer_head *bh = bhs[0]; struct bio *bio; @@ -230,7 +231,7 @@ static void gfs2_submit_bhs(int rw, struct buffer_head *bhs[], int num) bio_add_page(bio, bh->b_page, bh->b_size, bh_offset(bh)); } bio->bi_end_io = gfs2_meta_read_endio; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); submit_bio(bio); } @@ -281,7 +282,7 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags, } } - gfs2_submit_bhs(READ_SYNC | REQ_META | REQ_PRIO, bhs, num); + gfs2_submit_bhs(REQ_OP_READ, READ_SYNC | REQ_META | REQ_PRIO, bhs, num); if (!(flags & DIO_WAIT)) return 0; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index d9e19f6..f423c68 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -246,7 +246,7 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent) bio->bi_end_io = end_bio_io_page; bio->bi_private = page; - bio->bi_rw = READ_SYNC | REQ_META; + bio_set_op_attrs(bio, REQ_OP_READ, READ_SYNC | REQ_META); submit_bio(bio); wait_on_page_locked(page); bio_put(bio); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:14 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 705A97CA0 for ; Sun, 5 Jun 2016 14:33:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 618D5304043 for ; Sun, 5 Jun 2016 12:33:13 -0700 (PDT) X-ASG-Debug-ID: 1465155191-04cb6c2db9b58dd0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id DrHGMTgJEKumBkmt (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:12 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A99ABC04D29F; Sun, 5 Jun 2016 19:33:11 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9O003130; Sun, 5 Jun 2016 15:33:09 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 17/45] xfs: use bio op accessors Date: Sun, 5 Jun 2016 14:31:57 -0500 X-ASG-Orig-Subj: [PATCH 17/45] xfs: use bio op accessors Message-Id: <1465155145-10812-18-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Sun, 05 Jun 2016 19:33:11 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155192 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3541 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have xfs set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie --- v8: 1. Handled changes due to rebase and dropped signed offs due to upstream changes since last review. fs/xfs/xfs_aops.c | 12 ++++-------- fs/xfs/xfs_buf.c | 26 ++++++++++++++------------ 2 files changed, 18 insertions(+), 20 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 0cd1603..87d2b21 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -438,10 +438,8 @@ xfs_submit_ioend( ioend->io_bio->bi_private = ioend; ioend->io_bio->bi_end_io = xfs_end_bio; - if (wbc->sync_mode == WB_SYNC_ALL) - ioend->io_bio->bi_rw = WRITE_SYNC; - else - ioend->io_bio->bi_rw = WRITE; + bio_set_op_attrs(ioend->io_bio, REQ_OP_WRITE, + (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : 0); /* * If we are failing the IO now, just mark the ioend with an * error and finish it. This will run IO completion immediately @@ -512,10 +510,8 @@ xfs_chain_bio( bio_chain(ioend->io_bio, new); bio_get(ioend->io_bio); /* for xfs_destroy_ioend */ - if (wbc->sync_mode == WB_SYNC_ALL) - ioend->io_bio->bi_rw = WRITE_SYNC; - else - ioend->io_bio->bi_rw = WRITE; + bio_set_op_attrs(ioend->io_bio, REQ_OP_WRITE, + (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : 0); submit_bio(ioend->io_bio); ioend->io_bio = new; } diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 0777c67..d8acd37 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1127,7 +1127,8 @@ xfs_buf_ioapply_map( int map, int *buf_offset, int *count, - int rw) + int op, + int op_flags) { int page_index; int total_nr_pages = bp->b_page_count; @@ -1166,7 +1167,7 @@ next_chunk: bio->bi_iter.bi_sector = sector; bio->bi_end_io = xfs_buf_bio_end_io; bio->bi_private = bp; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); for (; size && nr_pages; nr_pages--, page_index++) { int rbytes, nbytes = PAGE_SIZE - offset; @@ -1210,7 +1211,8 @@ _xfs_buf_ioapply( struct xfs_buf *bp) { struct blk_plug plug; - int rw; + int op; + int op_flags = 0; int offset; int size; int i; @@ -1229,14 +1231,13 @@ _xfs_buf_ioapply( bp->b_ioend_wq = bp->b_target->bt_mount->m_buf_workqueue; if (bp->b_flags & XBF_WRITE) { + op = REQ_OP_WRITE; if (bp->b_flags & XBF_SYNCIO) - rw = WRITE_SYNC; - else - rw = WRITE; + op_flags = WRITE_SYNC; if (bp->b_flags & XBF_FUA) - rw |= REQ_FUA; + op_flags |= REQ_FUA; if (bp->b_flags & XBF_FLUSH) - rw |= REQ_FLUSH; + op_flags |= REQ_FLUSH; /* * Run the write verifier callback function if it exists. If @@ -1266,13 +1267,14 @@ _xfs_buf_ioapply( } } } else if (bp->b_flags & XBF_READ_AHEAD) { - rw = READA; + op = REQ_OP_READ; + op_flags = REQ_RAHEAD; } else { - rw = READ; + op = REQ_OP_READ; } /* we only use the buffer cache for meta-data */ - rw |= REQ_META; + op_flags |= REQ_META; /* * Walk all the vectors issuing IO on them. Set up the initial offset @@ -1284,7 +1286,7 @@ _xfs_buf_ioapply( size = BBTOB(bp->b_io_length); blk_start_plug(&plug); for (i = 0; i < bp->b_map_count; i++) { - xfs_buf_ioapply_map(bp, i, &offset, &size, rw); + xfs_buf_ioapply_map(bp, i, &offset, &size, op, op_flags); if (bp->b_error) break; if (size <= 0) -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:16 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A3BDB7CB6 for ; Sun, 5 Jun 2016 14:33:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 14BDFAC004 for ; Sun, 5 Jun 2016 12:33:16 -0700 (PDT) X-ASG-Debug-ID: 1465155194-04cbb03569b8abe0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Lwg9IDOgm5Ffwfxc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:14 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EE0ED50F42; Sun, 5 Jun 2016 19:33:13 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9P003130; Sun, 5 Jun 2016 15:33:11 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 18/45] hfsplus: use bio op accessors Date: Sun, 5 Jun 2016 14:31:58 -0500 X-ASG-Orig-Subj: [PATCH 18/45] hfsplus: use bio op accessors Message-Id: <1465155145-10812-19-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Sun, 05 Jun 2016 19:33:14 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155194 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4328 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have gfs2 set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/hfsplus/hfsplus_fs.h | 2 +- fs/hfsplus/part_tbl.c | 5 +++-- fs/hfsplus/super.c | 6 ++++-- fs/hfsplus/wrapper.c | 14 ++++++++------ 4 files changed, 16 insertions(+), 11 deletions(-) diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index fdc3446..047245b 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -526,7 +526,7 @@ int hfsplus_compare_dentry(const struct dentry *parent, /* wrapper.c */ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, void *buf, - void **data, int rw); + void **data, int op, int op_flags); int hfsplus_read_wrapper(struct super_block *sb); /* time macros */ diff --git a/fs/hfsplus/part_tbl.c b/fs/hfsplus/part_tbl.c index eb355d8..63164eb 100644 --- a/fs/hfsplus/part_tbl.c +++ b/fs/hfsplus/part_tbl.c @@ -112,7 +112,8 @@ static int hfs_parse_new_pmap(struct super_block *sb, void *buf, if ((u8 *)pm - (u8 *)buf >= buf_size) { res = hfsplus_submit_bio(sb, *part_start + HFS_PMAP_BLK + i, - buf, (void **)&pm, READ); + buf, (void **)&pm, REQ_OP_READ, + 0); if (res) return res; } @@ -136,7 +137,7 @@ int hfs_part_find(struct super_block *sb, return -ENOMEM; res = hfsplus_submit_bio(sb, *part_start + HFS_PMAP_BLK, - buf, &data, READ); + buf, &data, REQ_OP_READ, 0); if (res) goto out; diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 755bf30..11854dd 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -220,7 +220,8 @@ static int hfsplus_sync_fs(struct super_block *sb, int wait) error2 = hfsplus_submit_bio(sb, sbi->part_start + HFSPLUS_VOLHEAD_SECTOR, - sbi->s_vhdr_buf, NULL, WRITE_SYNC); + sbi->s_vhdr_buf, NULL, REQ_OP_WRITE, + WRITE_SYNC); if (!error) error = error2; if (!write_backup) @@ -228,7 +229,8 @@ static int hfsplus_sync_fs(struct super_block *sb, int wait) error2 = hfsplus_submit_bio(sb, sbi->part_start + sbi->sect_count - 2, - sbi->s_backup_vhdr_buf, NULL, WRITE_SYNC); + sbi->s_backup_vhdr_buf, NULL, REQ_OP_WRITE, + WRITE_SYNC); if (!error) error2 = error; out: diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index d026bb3..ebb85e5 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -30,7 +30,8 @@ struct hfsplus_wd { * @sector: block to read or write, for blocks of HFSPLUS_SECTOR_SIZE bytes * @buf: buffer for I/O * @data: output pointer for location of requested data - * @rw: direction of I/O + * @op: direction of I/O + * @op_flags: request op flags * * The unit of I/O is hfsplus_min_io_size(sb), which may be bigger than * HFSPLUS_SECTOR_SIZE, and @buf must be sized accordingly. On reads @@ -44,7 +45,7 @@ struct hfsplus_wd { * will work correctly. */ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, - void *buf, void **data, int rw) + void *buf, void **data, int op, int op_flags) { struct bio *bio; int ret = 0; @@ -65,9 +66,9 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, bio = bio_alloc(GFP_NOIO, 1); bio->bi_iter.bi_sector = sector; bio->bi_bdev = sb->s_bdev; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); - if (!(rw & WRITE) && data) + if (op != WRITE && data) *data = (u8 *)buf + offset; while (io_size > 0) { @@ -182,7 +183,7 @@ int hfsplus_read_wrapper(struct super_block *sb) reread: error = hfsplus_submit_bio(sb, part_start + HFSPLUS_VOLHEAD_SECTOR, sbi->s_vhdr_buf, (void **)&sbi->s_vhdr, - READ); + REQ_OP_READ, 0); if (error) goto out_free_backup_vhdr; @@ -214,7 +215,8 @@ reread: error = hfsplus_submit_bio(sb, part_start + part_size - 2, sbi->s_backup_vhdr_buf, - (void **)&sbi->s_backup_vhdr, READ); + (void **)&sbi->s_backup_vhdr, REQ_OP_READ, + 0); if (error) goto out_free_backup_vhdr; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2FCCF7CA0 for ; Sun, 5 Jun 2016 14:33:18 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id E7128304043 for ; Sun, 5 Jun 2016 12:33:17 -0700 (PDT) X-ASG-Debug-ID: 1465155196-04bdf05ad7b78490001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id nXh0x9NZMgV0kDCI (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:16 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3F84AC04D2A2; Sun, 5 Jun 2016 19:33:16 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9Q003130; Sun, 5 Jun 2016 15:33:14 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 19/45] mpage: use bio op accessors Date: Sun, 5 Jun 2016 14:31:59 -0500 X-ASG-Orig-Subj: [PATCH 19/45] mpage: use bio op accessors Message-Id: <1465155145-10812-20-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Sun, 05 Jun 2016 19:33:16 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155196 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5147 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have the mpage code set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/mpage.c | 40 ++++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-) diff --git a/fs/mpage.c b/fs/mpage.c index 2c251ec..37b2828 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -56,11 +56,11 @@ static void mpage_end_io(struct bio *bio) bio_put(bio); } -static struct bio *mpage_bio_submit(int rw, struct bio *bio) +static struct bio *mpage_bio_submit(int op, int op_flags, struct bio *bio) { bio->bi_end_io = mpage_end_io; - bio->bi_rw = rw; - guard_bio_eod(rw, bio); + bio_set_op_attrs(bio, op, op_flags); + guard_bio_eod(op, bio); submit_bio(bio); return NULL; } @@ -270,7 +270,7 @@ do_mpage_readpage(struct bio *bio, struct page *page, unsigned nr_pages, * This page will go to BIO. Do we need to send this BIO off first? */ if (bio && (*last_block_in_bio != blocks[0] - 1)) - bio = mpage_bio_submit(READ, bio); + bio = mpage_bio_submit(REQ_OP_READ, 0, bio); alloc_new: if (bio == NULL) { @@ -287,7 +287,7 @@ alloc_new: length = first_hole << blkbits; if (bio_add_page(bio, page, length, 0) < length) { - bio = mpage_bio_submit(READ, bio); + bio = mpage_bio_submit(REQ_OP_READ, 0, bio); goto alloc_new; } @@ -295,7 +295,7 @@ alloc_new: nblocks = map_bh->b_size >> blkbits; if ((buffer_boundary(map_bh) && relative_block == nblocks) || (first_hole != blocks_per_page)) - bio = mpage_bio_submit(READ, bio); + bio = mpage_bio_submit(REQ_OP_READ, 0, bio); else *last_block_in_bio = blocks[blocks_per_page - 1]; out: @@ -303,7 +303,7 @@ out: confused: if (bio) - bio = mpage_bio_submit(READ, bio); + bio = mpage_bio_submit(REQ_OP_READ, 0, bio); if (!PageUptodate(page)) block_read_full_page(page, get_block); else @@ -385,7 +385,7 @@ mpage_readpages(struct address_space *mapping, struct list_head *pages, } BUG_ON(!list_empty(pages)); if (bio) - mpage_bio_submit(READ, bio); + mpage_bio_submit(REQ_OP_READ, 0, bio); return 0; } EXPORT_SYMBOL(mpage_readpages); @@ -406,7 +406,7 @@ int mpage_readpage(struct page *page, get_block_t get_block) bio = do_mpage_readpage(bio, page, 1, &last_block_in_bio, &map_bh, &first_logical_block, get_block, gfp); if (bio) - mpage_bio_submit(READ, bio); + mpage_bio_submit(REQ_OP_READ, 0, bio); return 0; } EXPORT_SYMBOL(mpage_readpage); @@ -487,7 +487,7 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc, struct buffer_head map_bh; loff_t i_size = i_size_read(inode); int ret = 0; - int wr = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE); + int op_flags = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : 0); if (page_has_buffers(page)) { struct buffer_head *head = page_buffers(page); @@ -596,7 +596,7 @@ page_is_mapped: * This page will go to BIO. Do we need to send this BIO off first? */ if (bio && mpd->last_block_in_bio != blocks[0] - 1) - bio = mpage_bio_submit(wr, bio); + bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio); alloc_new: if (bio == NULL) { @@ -623,7 +623,7 @@ alloc_new: wbc_account_io(wbc, page, PAGE_SIZE); length = first_unmapped << blkbits; if (bio_add_page(bio, page, length, 0) < length) { - bio = mpage_bio_submit(wr, bio); + bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio); goto alloc_new; } @@ -633,7 +633,7 @@ alloc_new: set_page_writeback(page); unlock_page(page); if (boundary || (first_unmapped != blocks_per_page)) { - bio = mpage_bio_submit(wr, bio); + bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio); if (boundary_block) { write_boundary_block(boundary_bdev, boundary_block, 1 << blkbits); @@ -645,7 +645,7 @@ alloc_new: confused: if (bio) - bio = mpage_bio_submit(wr, bio); + bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio); if (mpd->use_writepage) { ret = mapping->a_ops->writepage(page, wbc); @@ -702,9 +702,9 @@ mpage_writepages(struct address_space *mapping, ret = write_cache_pages(mapping, wbc, __mpage_writepage, &mpd); if (mpd.bio) { - int wr = (wbc->sync_mode == WB_SYNC_ALL ? - WRITE_SYNC : WRITE); - mpage_bio_submit(wr, mpd.bio); + int op_flags = (wbc->sync_mode == WB_SYNC_ALL ? + WRITE_SYNC : 0); + mpage_bio_submit(REQ_OP_WRITE, op_flags, mpd.bio); } } blk_finish_plug(&plug); @@ -723,9 +723,9 @@ int mpage_writepage(struct page *page, get_block_t get_block, }; int ret = __mpage_writepage(page, wbc, &mpd); if (mpd.bio) { - int wr = (wbc->sync_mode == WB_SYNC_ALL ? - WRITE_SYNC : WRITE); - mpage_bio_submit(wr, mpd.bio); + int op_flags = (wbc->sync_mode == WB_SYNC_ALL ? + WRITE_SYNC : 0); + mpage_bio_submit(REQ_OP_WRITE, op_flags, mpd.bio); } return ret; } -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 57C657CA0 for ; Sun, 5 Jun 2016 14:33:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0DDC4304043 for ; Sun, 5 Jun 2016 12:33:20 -0700 (PDT) X-ASG-Debug-ID: 1465155198-04bdf05ad6b78490001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id afOHA0wUjKhHHiZ3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:18 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8999675736; Sun, 5 Jun 2016 19:33:18 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9R003130; Sun, 5 Jun 2016 15:33:16 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 20/45] nilfs: use bio op accessors Date: Sun, 5 Jun 2016 14:32:00 -0500 X-ASG-Orig-Subj: [PATCH 20/45] nilfs: use bio op accessors Message-Id: <1465155145-10812-21-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Sun, 05 Jun 2016 19:33:18 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155198 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2615 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have nilfs set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Acked-by: Ryusuke Konishi --- fs/nilfs2/segbuf.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index 0f62909..a962d7d 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -346,7 +346,8 @@ static void nilfs_end_bio_write(struct bio *bio) } static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf, - struct nilfs_write_info *wi, int mode) + struct nilfs_write_info *wi, int mode, + int mode_flags) { struct bio *bio = wi->bio; int err; @@ -364,7 +365,7 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf, bio->bi_end_io = nilfs_end_bio_write; bio->bi_private = segbuf; - bio->bi_rw = mode; + bio_set_op_attrs(bio, mode, mode_flags); submit_bio(bio); segbuf->sb_nbio++; @@ -438,7 +439,7 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf, return 0; } /* bio is FULL */ - err = nilfs_segbuf_submit_bio(segbuf, wi, mode); + err = nilfs_segbuf_submit_bio(segbuf, wi, mode, 0); /* never submit current bh */ if (likely(!err)) goto repeat; @@ -462,19 +463,19 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf, { struct nilfs_write_info wi; struct buffer_head *bh; - int res = 0, rw = WRITE; + int res = 0; wi.nilfs = nilfs; nilfs_segbuf_prepare_write(segbuf, &wi); list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) { - res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, rw); + res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, REQ_OP_WRITE); if (unlikely(res)) goto failed_bio; } list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) { - res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, rw); + res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, REQ_OP_WRITE); if (unlikely(res)) goto failed_bio; } @@ -484,8 +485,8 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf, * Last BIO is always sent through the following * submission. */ - rw |= REQ_SYNC; - res = nilfs_segbuf_submit_bio(segbuf, &wi, rw); + res = nilfs_segbuf_submit_bio(segbuf, &wi, REQ_OP_WRITE, + REQ_SYNC); } failed_bio: -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:23 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5BAA67D02 for ; Sun, 5 Jun 2016 14:33:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C93A4AC005 for ; Sun, 5 Jun 2016 12:33:22 -0700 (PDT) X-ASG-Debug-ID: 1465155201-04cbb03569b8ac00001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id vj12ZltrHBm75ru1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:21 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 05BC7B0433; Sun, 5 Jun 2016 19:33:21 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9S003130; Sun, 5 Jun 2016 15:33:18 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 21/45] ocfs2: use bio op accessors Date: Sun, 5 Jun 2016 14:32:01 -0500 X-ASG-Orig-Subj: [PATCH 21/45] ocfs2: use bio op accessors Message-Id: <1465155145-10812-22-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Sun, 05 Jun 2016 19:33:21 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155201 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1933 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have ocfs2 set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/ocfs2/cluster/heartbeat.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 8b1d86e..636abcb 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -530,7 +530,8 @@ static void o2hb_bio_end_io(struct bio *bio) static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, struct o2hb_bio_wait_ctxt *wc, unsigned int *current_slot, - unsigned int max_slots, int rw) + unsigned int max_slots, int op, + int op_flags) { int len, current_page; unsigned int vec_len, vec_start; @@ -556,7 +557,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, bio->bi_bdev = reg->hr_bdev; bio->bi_private = wc; bio->bi_end_io = o2hb_bio_end_io; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); vec_start = (cs << bits) % PAGE_SIZE; while(cs < max_slots) { @@ -593,7 +594,7 @@ static int o2hb_read_slots(struct o2hb_region *reg, while(current_slot < max_slots) { bio = o2hb_setup_one_bio(reg, &wc, ¤t_slot, max_slots, - READ); + REQ_OP_READ, 0); if (IS_ERR(bio)) { status = PTR_ERR(bio); mlog_errno(status); @@ -625,7 +626,8 @@ static int o2hb_issue_node_write(struct o2hb_region *reg, slot = o2nm_this_node(); - bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1, WRITE_SYNC); + bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1, REQ_OP_WRITE, + WRITE_SYNC); if (IS_ERR(bio)) { status = PTR_ERR(bio); mlog_errno(status); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:24 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E68ED7D09 for ; Sun, 5 Jun 2016 14:33:24 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B7ED38F8049 for ; Sun, 5 Jun 2016 12:33:24 -0700 (PDT) X-ASG-Debug-ID: 1465155203-04cbb0356bb8ac10001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id iAJMzuBjv35tTBz9 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:23 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 110AD50F48; Sun, 5 Jun 2016 19:33:23 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9T003130; Sun, 5 Jun 2016 15:33:20 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 22/45] pm: use bio op accessors Date: Sun, 5 Jun 2016 14:32:02 -0500 X-ASG-Orig-Subj: [PATCH 22/45] pm: use bio op accessors Message-Id: <1465155145-10812-23-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Sun, 05 Jun 2016 19:33:23 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155203 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4607 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have the pm code set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- kernel/power/swap.c | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) diff --git a/kernel/power/swap.c b/kernel/power/swap.c index be227f5..c1aaac4 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -261,7 +261,7 @@ static void hib_end_io(struct bio *bio) bio_put(bio); } -static int hib_submit_io(int rw, pgoff_t page_off, void *addr, +static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr, struct hib_bio_batch *hb) { struct page *page = virt_to_page(addr); @@ -271,7 +271,7 @@ static int hib_submit_io(int rw, pgoff_t page_off, void *addr, bio = bio_alloc(__GFP_RECLAIM | __GFP_HIGH, 1); bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9); bio->bi_bdev = hib_resume_bdev; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) { printk(KERN_ERR "PM: Adding page to bio failed at %llu\n", @@ -307,7 +307,8 @@ static int mark_swapfiles(struct swap_map_handle *handle, unsigned int flags) { int error; - hib_submit_io(READ_SYNC, swsusp_resume_block, swsusp_header, NULL); + hib_submit_io(REQ_OP_READ, READ_SYNC, swsusp_resume_block, + swsusp_header, NULL); if (!memcmp("SWAP-SPACE",swsusp_header->sig, 10) || !memcmp("SWAPSPACE2",swsusp_header->sig, 10)) { memcpy(swsusp_header->orig_sig,swsusp_header->sig, 10); @@ -316,8 +317,8 @@ static int mark_swapfiles(struct swap_map_handle *handle, unsigned int flags) swsusp_header->flags = flags; if (flags & SF_CRC32_MODE) swsusp_header->crc32 = handle->crc32; - error = hib_submit_io(WRITE_SYNC, swsusp_resume_block, - swsusp_header, NULL); + error = hib_submit_io(REQ_OP_WRITE, WRITE_SYNC, + swsusp_resume_block, swsusp_header, NULL); } else { printk(KERN_ERR "PM: Swap header not found!\n"); error = -ENODEV; @@ -390,7 +391,7 @@ static int write_page(void *buf, sector_t offset, struct hib_bio_batch *hb) } else { src = buf; } - return hib_submit_io(WRITE_SYNC, offset, src, hb); + return hib_submit_io(REQ_OP_WRITE, WRITE_SYNC, offset, src, hb); } static void release_swap_writer(struct swap_map_handle *handle) @@ -993,7 +994,8 @@ static int get_swap_reader(struct swap_map_handle *handle, return -ENOMEM; } - error = hib_submit_io(READ_SYNC, offset, tmp->map, NULL); + error = hib_submit_io(REQ_OP_READ, READ_SYNC, offset, + tmp->map, NULL); if (error) { release_swap_reader(handle); return error; @@ -1017,7 +1019,7 @@ static int swap_read_page(struct swap_map_handle *handle, void *buf, offset = handle->cur->entries[handle->k]; if (!offset) return -EFAULT; - error = hib_submit_io(READ_SYNC, offset, buf, hb); + error = hib_submit_io(REQ_OP_READ, READ_SYNC, offset, buf, hb); if (error) return error; if (++handle->k >= MAP_PAGE_ENTRIES) { @@ -1526,7 +1528,8 @@ int swsusp_check(void) if (!IS_ERR(hib_resume_bdev)) { set_blocksize(hib_resume_bdev, PAGE_SIZE); clear_page(swsusp_header); - error = hib_submit_io(READ_SYNC, swsusp_resume_block, + error = hib_submit_io(REQ_OP_READ, READ_SYNC, + swsusp_resume_block, swsusp_header, NULL); if (error) goto put; @@ -1534,7 +1537,8 @@ int swsusp_check(void) if (!memcmp(HIBERNATE_SIG, swsusp_header->sig, 10)) { memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10); /* Reset swap signature now */ - error = hib_submit_io(WRITE_SYNC, swsusp_resume_block, + error = hib_submit_io(REQ_OP_WRITE, WRITE_SYNC, + swsusp_resume_block, swsusp_header, NULL); } else { error = -EINVAL; @@ -1578,10 +1582,12 @@ int swsusp_unmark(void) { int error; - hib_submit_io(READ_SYNC, swsusp_resume_block, swsusp_header, NULL); + hib_submit_io(REQ_OP_READ, READ_SYNC, swsusp_resume_block, + swsusp_header, NULL); if (!memcmp(HIBERNATE_SIG,swsusp_header->sig, 10)) { memcpy(swsusp_header->sig,swsusp_header->orig_sig, 10); - error = hib_submit_io(WRITE_SYNC, swsusp_resume_block, + error = hib_submit_io(REQ_OP_WRITE, WRITE_SYNC, + swsusp_resume_block, swsusp_header, NULL); } else { printk(KERN_ERR "PM: Cannot find swsusp signature!\n"); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4009D7D0B for ; Sun, 5 Jun 2016 14:33:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id F3BA58F8037 for ; Sun, 5 Jun 2016 12:33:26 -0700 (PDT) X-ASG-Debug-ID: 1465155205-04cb6c2dbcb58e10001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id TVBDWDWNME93349Z (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:26 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 58444C003586; Sun, 5 Jun 2016 19:33:25 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9U003130; Sun, 5 Jun 2016 15:33:23 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 23/45] dm: pass dm stats data dir instead of bi_rw Date: Sun, 5 Jun 2016 14:32:03 -0500 X-ASG-Orig-Subj: [PATCH 23/45] dm: pass dm stats data dir instead of bi_rw Message-Id: <1465155145-10812-24-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Sun, 05 Jun 2016 19:33:25 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155205 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4783 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie It looks like dm stats cares about the data direction (READ vs WRITE) and does not need the bio/request flags. Commands like REQ_FLUSH, REQ_DISCARD and REQ_WRITE_SAME are currently always set with REQ_WRITE, so the extra check for REQ_DISCARD in dm_stats_account_io is not needed. This patch has it use the bio and request data_dir helpers instead of accessing the bi_rw/cmd_flags directly. This makes the next patches that remove the operation from the cmd_flags and bi_rw easier, because we will no longer have the REQ_WRITE bit set for operations like discards. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- v2: 1. Merged Mike Snitzer's fixes to pass in int instead of unsigned long. 2. Fix 80 char col issues. drivers/md/dm-stats.c | 9 ++++----- drivers/md/dm.c | 21 ++++++++++++--------- 2 files changed, 16 insertions(+), 14 deletions(-) diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 8289804..4fba26c 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -514,11 +514,10 @@ static void dm_stat_round(struct dm_stat *s, struct dm_stat_shared *shared, } static void dm_stat_for_entry(struct dm_stat *s, size_t entry, - unsigned long bi_rw, sector_t len, + int idx, sector_t len, struct dm_stats_aux *stats_aux, bool end, unsigned long duration_jiffies) { - unsigned long idx = bi_rw & REQ_WRITE; struct dm_stat_shared *shared = &s->stat_shared[entry]; struct dm_stat_percpu *p; @@ -584,7 +583,7 @@ static void dm_stat_for_entry(struct dm_stat *s, size_t entry, #endif } -static void __dm_stat_bio(struct dm_stat *s, unsigned long bi_rw, +static void __dm_stat_bio(struct dm_stat *s, int bi_rw, sector_t bi_sector, sector_t end_sector, bool end, unsigned long duration_jiffies, struct dm_stats_aux *stats_aux) @@ -645,8 +644,8 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw, last = raw_cpu_ptr(stats->last); stats_aux->merged = (bi_sector == (ACCESS_ONCE(last->last_sector) && - ((bi_rw & (REQ_WRITE | REQ_DISCARD)) == - (ACCESS_ONCE(last->last_rw) & (REQ_WRITE | REQ_DISCARD))) + ((bi_rw == WRITE) == + (ACCESS_ONCE(last->last_rw) == WRITE)) )); ACCESS_ONCE(last->last_sector) = end_sector; ACCESS_ONCE(last->last_rw) = bi_rw; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 1b2f962..f5ac0a3 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -723,8 +723,9 @@ static void start_io_acct(struct dm_io *io) atomic_inc_return(&md->pending[rw])); if (unlikely(dm_stats_used(&md->stats))) - dm_stats_account_io(&md->stats, bio->bi_rw, bio->bi_iter.bi_sector, - bio_sectors(bio), false, 0, &io->stats_aux); + dm_stats_account_io(&md->stats, bio_data_dir(bio), + bio->bi_iter.bi_sector, bio_sectors(bio), + false, 0, &io->stats_aux); } static void end_io_acct(struct dm_io *io) @@ -738,8 +739,9 @@ static void end_io_acct(struct dm_io *io) generic_end_io_acct(rw, &dm_disk(md)->part0, io->start_time); if (unlikely(dm_stats_used(&md->stats))) - dm_stats_account_io(&md->stats, bio->bi_rw, bio->bi_iter.bi_sector, - bio_sectors(bio), true, duration, &io->stats_aux); + dm_stats_account_io(&md->stats, bio_data_dir(bio), + bio->bi_iter.bi_sector, bio_sectors(bio), + true, duration, &io->stats_aux); /* * After this is decremented the bio must not be touched if it is @@ -1121,9 +1123,9 @@ static void rq_end_stats(struct mapped_device *md, struct request *orig) if (unlikely(dm_stats_used(&md->stats))) { struct dm_rq_target_io *tio = tio_from_request(orig); tio->duration_jiffies = jiffies - tio->duration_jiffies; - dm_stats_account_io(&md->stats, orig->cmd_flags, blk_rq_pos(orig), - tio->n_sectors, true, tio->duration_jiffies, - &tio->stats_aux); + dm_stats_account_io(&md->stats, rq_data_dir(orig), + blk_rq_pos(orig), tio->n_sectors, true, + tio->duration_jiffies, &tio->stats_aux); } } @@ -2082,8 +2084,9 @@ static void dm_start_request(struct mapped_device *md, struct request *orig) struct dm_rq_target_io *tio = tio_from_request(orig); tio->duration_jiffies = jiffies; tio->n_sectors = blk_rq_sectors(orig); - dm_stats_account_io(&md->stats, orig->cmd_flags, blk_rq_pos(orig), - tio->n_sectors, false, 0, &tio->stats_aux); + dm_stats_account_io(&md->stats, rq_data_dir(orig), + blk_rq_pos(orig), tio->n_sectors, false, 0, + &tio->stats_aux); } /* -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:30 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DE4277D0F for ; Sun, 5 Jun 2016 14:33:30 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id A046F8F8037 for ; Sun, 5 Jun 2016 12:33:30 -0700 (PDT) X-ASG-Debug-ID: 1465155207-04bdf05ad7b784a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id tbEPCpnQgdG6yCHg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:28 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9A61863309; Sun, 5 Jun 2016 19:33:27 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9V003130; Sun, 5 Jun 2016 15:33:25 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 24/45] dm: use bio op accessors Date: Sun, 5 Jun 2016 14:32:04 -0500 X-ASG-Orig-Subj: [PATCH 24/45] dm: use bio op accessors Message-Id: <1465155145-10812-25-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sun, 05 Jun 2016 19:33:27 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155208 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 25464 X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com From: Mike Christie Separate the op from the rq_flag_bits and have dm set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie v8: - Moved op_is_write changes to its own patch. - Dropped signed offs due to changes in dm. --- drivers/md/dm-bufio.c | 8 +++--- drivers/md/dm-cache-target.c | 10 +++++--- drivers/md/dm-crypt.c | 8 +++--- drivers/md/dm-io.c | 56 ++++++++++++++++++++++------------------- drivers/md/dm-kcopyd.c | 5 ++-- drivers/md/dm-log-writes.c | 8 +++--- drivers/md/dm-log.c | 5 ++-- drivers/md/dm-raid1.c | 19 ++++++++------ drivers/md/dm-region-hash.c | 4 +-- drivers/md/dm-snap-persistent.c | 24 ++++++++++-------- drivers/md/dm-stripe.c | 4 +-- drivers/md/dm-thin.c | 17 +++++++------ drivers/md/dm.c | 8 +++--- include/linux/dm-io.h | 3 ++- 14 files changed, 99 insertions(+), 80 deletions(-) diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 9d3ee7f..6571c81 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -574,7 +574,8 @@ static void use_dmio(struct dm_buffer *b, int rw, sector_t block, { int r; struct dm_io_request io_req = { - .bi_rw = rw, + .bi_op = rw, + .bi_op_flags = 0, .notify.fn = dmio_complete, .notify.context = b, .client = b->c->dm_io, @@ -634,7 +635,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block, * the dm_buffer's inline bio is local to bufio. */ b->bio.bi_private = end_io; - b->bio.bi_rw = rw; + bio_set_op_attrs(&b->bio, rw, 0); /* * We assume that if len >= PAGE_SIZE ptr is page-aligned. @@ -1327,7 +1328,8 @@ EXPORT_SYMBOL_GPL(dm_bufio_write_dirty_buffers); int dm_bufio_issue_flush(struct dm_bufio_client *c) { struct dm_io_request io_req = { - .bi_rw = WRITE_FLUSH, + .bi_op = REQ_OP_WRITE, + .bi_op_flags = WRITE_FLUSH, .mem.type = DM_IO_KMEM, .mem.ptr.addr = NULL, .client = c->dm_io, diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index ee0510f..540e80e 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -788,7 +788,8 @@ static void check_if_tick_bio_needed(struct cache *cache, struct bio *bio) spin_lock_irqsave(&cache->lock, flags); if (cache->need_tick_bio && - !(bio->bi_rw & (REQ_FUA | REQ_FLUSH | REQ_DISCARD))) { + !(bio->bi_rw & (REQ_FUA | REQ_FLUSH)) && + bio_op(bio) != REQ_OP_DISCARD) { pb->tick = true; cache->need_tick_bio = false; } @@ -851,7 +852,7 @@ static void inc_ds(struct cache *cache, struct bio *bio, static bool accountable_bio(struct cache *cache, struct bio *bio) { return ((bio->bi_bdev == cache->origin_dev->bdev) && - !(bio->bi_rw & REQ_DISCARD)); + bio_op(bio) != REQ_OP_DISCARD); } static void accounted_begin(struct cache *cache, struct bio *bio) @@ -1067,7 +1068,8 @@ static void dec_io_migrations(struct cache *cache) static bool discard_or_flush(struct bio *bio) { - return bio->bi_rw & (REQ_FLUSH | REQ_FUA | REQ_DISCARD); + return bio_op(bio) == REQ_OP_DISCARD || + bio->bi_rw & (REQ_FLUSH | REQ_FUA); } static void __cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell) @@ -1980,7 +1982,7 @@ static void process_deferred_bios(struct cache *cache) if (bio->bi_rw & REQ_FLUSH) process_flush_bio(cache, bio); - else if (bio->bi_rw & REQ_DISCARD) + else if (bio_op(bio) == REQ_OP_DISCARD) process_discard_bio(cache, &structs, bio); else process_bio(cache, &structs, bio); diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 4f3cb35..057d19b 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1136,7 +1136,7 @@ static void clone_init(struct dm_crypt_io *io, struct bio *clone) clone->bi_private = io; clone->bi_end_io = crypt_endio; clone->bi_bdev = cc->dev->bdev; - clone->bi_rw = io->base_bio->bi_rw; + bio_set_op_attrs(clone, bio_op(io->base_bio), io->base_bio->bi_rw); } static int kcryptd_io_read(struct dm_crypt_io *io, gfp_t gfp) @@ -1911,11 +1911,11 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) struct crypt_config *cc = ti->private; /* - * If bio is REQ_FLUSH or REQ_DISCARD, just bypass crypt queues. + * If bio is REQ_FLUSH or REQ_OP_DISCARD, just bypass crypt queues. * - for REQ_FLUSH device-mapper core ensures that no IO is in-flight - * - for REQ_DISCARD caller must use flush if IO ordering matters + * - for REQ_OP_DISCARD caller must use flush if IO ordering matters */ - if (unlikely(bio->bi_rw & (REQ_FLUSH | REQ_DISCARD))) { + if (unlikely(bio->bi_rw & REQ_FLUSH || bio_op(bio) == REQ_OP_DISCARD)) { bio->bi_bdev = cc->dev->bdev; if (bio_sectors(bio)) bio->bi_iter.bi_sector = cc->start + diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 26e9a85..22e0597 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -278,8 +278,9 @@ static void km_dp_init(struct dpages *dp, void *data) /*----------------------------------------------------------------- * IO routines that accept a list of pages. *---------------------------------------------------------------*/ -static void do_region(int rw, unsigned region, struct dm_io_region *where, - struct dpages *dp, struct io *io) +static void do_region(int op, int op_flags, unsigned region, + struct dm_io_region *where, struct dpages *dp, + struct io *io) { struct bio *bio; struct page *page; @@ -295,24 +296,25 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, /* * Reject unsupported discard and write same requests. */ - if (rw & REQ_DISCARD) + if (op == REQ_OP_DISCARD) special_cmd_max_sectors = q->limits.max_discard_sectors; - else if (rw & REQ_WRITE_SAME) + else if (op == REQ_OP_WRITE_SAME) special_cmd_max_sectors = q->limits.max_write_same_sectors; - if ((rw & (REQ_DISCARD | REQ_WRITE_SAME)) && special_cmd_max_sectors == 0) { + if ((op == REQ_OP_DISCARD || op == REQ_OP_WRITE_SAME) && + special_cmd_max_sectors == 0) { dec_count(io, region, -EOPNOTSUPP); return; } /* - * where->count may be zero if rw holds a flush and we need to + * where->count may be zero if op holds a flush and we need to * send a zero-sized flush. */ do { /* * Allocate a suitably sized-bio. */ - if ((rw & REQ_DISCARD) || (rw & REQ_WRITE_SAME)) + if ((op == REQ_OP_DISCARD) || (op == REQ_OP_WRITE_SAME)) num_bvecs = 1; else num_bvecs = min_t(int, BIO_MAX_PAGES, @@ -322,14 +324,14 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, bio->bi_iter.bi_sector = where->sector + (where->count - remaining); bio->bi_bdev = where->bdev; bio->bi_end_io = endio; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); store_io_and_region_in_bio(bio, io, region); - if (rw & REQ_DISCARD) { + if (op == REQ_OP_DISCARD) { num_sectors = min_t(sector_t, special_cmd_max_sectors, remaining); bio->bi_iter.bi_size = num_sectors << SECTOR_SHIFT; remaining -= num_sectors; - } else if (rw & REQ_WRITE_SAME) { + } else if (op == REQ_OP_WRITE_SAME) { /* * WRITE SAME only uses a single page. */ @@ -360,7 +362,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, } while (remaining); } -static void dispatch_io(int rw, unsigned int num_regions, +static void dispatch_io(int op, int op_flags, unsigned int num_regions, struct dm_io_region *where, struct dpages *dp, struct io *io, int sync) { @@ -370,7 +372,7 @@ static void dispatch_io(int rw, unsigned int num_regions, BUG_ON(num_regions > DM_IO_MAX_REGIONS); if (sync) - rw |= REQ_SYNC; + op_flags |= REQ_SYNC; /* * For multiple regions we need to be careful to rewind @@ -378,8 +380,8 @@ static void dispatch_io(int rw, unsigned int num_regions, */ for (i = 0; i < num_regions; i++) { *dp = old_pages; - if (where[i].count || (rw & REQ_FLUSH)) - do_region(rw, i, where + i, dp, io); + if (where[i].count || (op_flags & REQ_FLUSH)) + do_region(op, op_flags, i, where + i, dp, io); } /* @@ -403,13 +405,13 @@ static void sync_io_complete(unsigned long error, void *context) } static int sync_io(struct dm_io_client *client, unsigned int num_regions, - struct dm_io_region *where, int rw, struct dpages *dp, - unsigned long *error_bits) + struct dm_io_region *where, int op, int op_flags, + struct dpages *dp, unsigned long *error_bits) { struct io *io; struct sync_io sio; - if (num_regions > 1 && !op_is_write(rw)) { + if (num_regions > 1 && !op_is_write(op)) { WARN_ON(1); return -EIO; } @@ -426,7 +428,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions, io->vma_invalidate_address = dp->vma_invalidate_address; io->vma_invalidate_size = dp->vma_invalidate_size; - dispatch_io(rw, num_regions, where, dp, io, 1); + dispatch_io(op, op_flags, num_regions, where, dp, io, 1); wait_for_completion_io(&sio.wait); @@ -437,12 +439,12 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions, } static int async_io(struct dm_io_client *client, unsigned int num_regions, - struct dm_io_region *where, int rw, struct dpages *dp, - io_notify_fn fn, void *context) + struct dm_io_region *where, int op, int op_flags, + struct dpages *dp, io_notify_fn fn, void *context) { struct io *io; - if (num_regions > 1 && !op_is_write(rw)) { + if (num_regions > 1 && !op_is_write(op)) { WARN_ON(1); fn(1, context); return -EIO; @@ -458,7 +460,7 @@ static int async_io(struct dm_io_client *client, unsigned int num_regions, io->vma_invalidate_address = dp->vma_invalidate_address; io->vma_invalidate_size = dp->vma_invalidate_size; - dispatch_io(rw, num_regions, where, dp, io, 0); + dispatch_io(op, op_flags, num_regions, where, dp, io, 0); return 0; } @@ -481,7 +483,7 @@ static int dp_init(struct dm_io_request *io_req, struct dpages *dp, case DM_IO_VMA: flush_kernel_vmap_range(io_req->mem.ptr.vma, size); - if ((io_req->bi_rw & RW_MASK) == READ) { + if (io_req->bi_op == REQ_OP_READ) { dp->vma_invalidate_address = io_req->mem.ptr.vma; dp->vma_invalidate_size = size; } @@ -519,10 +521,12 @@ int dm_io(struct dm_io_request *io_req, unsigned num_regions, if (!io_req->notify.fn) return sync_io(io_req->client, num_regions, where, - io_req->bi_rw, &dp, sync_error_bits); + io_req->bi_op, io_req->bi_op_flags, &dp, + sync_error_bits); - return async_io(io_req->client, num_regions, where, io_req->bi_rw, - &dp, io_req->notify.fn, io_req->notify.context); + return async_io(io_req->client, num_regions, where, io_req->bi_op, + io_req->bi_op_flags, &dp, io_req->notify.fn, + io_req->notify.context); } EXPORT_SYMBOL(dm_io); diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c index 9f390e4..9da1d54 100644 --- a/drivers/md/dm-kcopyd.c +++ b/drivers/md/dm-kcopyd.c @@ -496,7 +496,8 @@ static int run_io_job(struct kcopyd_job *job) { int r; struct dm_io_request io_req = { - .bi_rw = job->rw, + .bi_op = job->rw, + .bi_op_flags = 0, .mem.type = DM_IO_PAGE_LIST, .mem.ptr.pl = job->pages, .mem.offset = 0, @@ -734,7 +735,7 @@ int dm_kcopyd_copy(struct dm_kcopyd_client *kc, struct dm_io_region *from, /* * Use WRITE SAME to optimize zeroing if all dests support it. */ - job->rw = WRITE | REQ_WRITE_SAME; + job->rw = REQ_OP_WRITE_SAME; for (i = 0; i < job->num_dests; i++) if (!bdev_write_same(job->dests[i].bdev)) { job->rw = WRITE; diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index addcc4b..0edb8ea 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -205,7 +205,7 @@ static int write_metadata(struct log_writes_c *lc, void *entry, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); page = alloc_page(GFP_KERNEL); if (!page) { @@ -270,7 +270,7 @@ static int log_one_block(struct log_writes_c *lc, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); for (i = 0; i < block->vec_cnt; i++) { /* @@ -292,7 +292,7 @@ static int log_one_block(struct log_writes_c *lc, bio->bi_bdev = lc->logdev->bdev; bio->bi_end_io = log_end_io; bio->bi_private = lc; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); ret = bio_add_page(bio, block->vecs[i].bv_page, block->vecs[i].bv_len, 0); @@ -557,7 +557,7 @@ static int log_writes_map(struct dm_target *ti, struct bio *bio) int i = 0; bool flush_bio = (bio->bi_rw & REQ_FLUSH); bool fua_bio = (bio->bi_rw & REQ_FUA); - bool discard_bio = (bio->bi_rw & REQ_DISCARD); + bool discard_bio = (bio_op(bio) == REQ_OP_DISCARD); pb->block = NULL; diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 627d191..4ca2d1d 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -293,7 +293,7 @@ static void header_from_disk(struct log_header_core *core, struct log_header_dis static int rw_header(struct log_c *lc, int rw) { - lc->io_req.bi_rw = rw; + lc->io_req.bi_op = rw; return dm_io(&lc->io_req, 1, &lc->header_location, NULL); } @@ -306,7 +306,8 @@ static int flush_header(struct log_c *lc) .count = 0, }; - lc->io_req.bi_rw = WRITE_FLUSH; + lc->io_req.bi_op = REQ_OP_WRITE; + lc->io_req.bi_op_flags = WRITE_FLUSH; return dm_io(&lc->io_req, 1, &null_location, NULL); } diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index b3ccf1e..907df2b 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -260,7 +260,8 @@ static int mirror_flush(struct dm_target *ti) struct dm_io_region io[ms->nr_mirrors]; struct mirror *m; struct dm_io_request io_req = { - .bi_rw = WRITE_FLUSH, + .bi_op = REQ_OP_WRITE, + .bi_op_flags = WRITE_FLUSH, .mem.type = DM_IO_KMEM, .mem.ptr.addr = NULL, .client = ms->io_client, @@ -541,7 +542,8 @@ static void read_async_bio(struct mirror *m, struct bio *bio) { struct dm_io_region io; struct dm_io_request io_req = { - .bi_rw = READ, + .bi_op = REQ_OP_READ, + .bi_op_flags = 0, .mem.type = DM_IO_BIO, .mem.ptr.bio = bio, .notify.fn = read_callback, @@ -624,7 +626,7 @@ static void write_callback(unsigned long error, void *context) * If the bio is discard, return an error, but do not * degrade the array. */ - if (bio->bi_rw & REQ_DISCARD) { + if (bio_op(bio) == REQ_OP_DISCARD) { bio->bi_error = -EOPNOTSUPP; bio_endio(bio); return; @@ -654,7 +656,8 @@ static void do_write(struct mirror_set *ms, struct bio *bio) struct dm_io_region io[ms->nr_mirrors], *dest = io; struct mirror *m; struct dm_io_request io_req = { - .bi_rw = WRITE | (bio->bi_rw & WRITE_FLUSH_FUA), + .bi_op = REQ_OP_WRITE, + .bi_op_flags = bio->bi_rw & WRITE_FLUSH_FUA, .mem.type = DM_IO_BIO, .mem.ptr.bio = bio, .notify.fn = write_callback, @@ -662,8 +665,8 @@ static void do_write(struct mirror_set *ms, struct bio *bio) .client = ms->io_client, }; - if (bio->bi_rw & REQ_DISCARD) { - io_req.bi_rw |= REQ_DISCARD; + if (bio_op(bio) == REQ_OP_DISCARD) { + io_req.bi_op = REQ_OP_DISCARD; io_req.mem.type = DM_IO_KMEM; io_req.mem.ptr.addr = NULL; } @@ -702,7 +705,7 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes) while ((bio = bio_list_pop(writes))) { if ((bio->bi_rw & REQ_FLUSH) || - (bio->bi_rw & REQ_DISCARD)) { + (bio_op(bio) == REQ_OP_DISCARD)) { bio_list_add(&sync, bio); continue; } @@ -1250,7 +1253,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) * We need to dec pending if this was a write. */ if (rw == WRITE) { - if (!(bio->bi_rw & (REQ_FLUSH | REQ_DISCARD))) + if (!(bio->bi_rw & REQ_FLUSH) && bio_op(bio) != REQ_OP_DISCARD) dm_rh_dec(ms->rh, bio_record->write_region); return error; } diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c index 74cb7b9..3550ca7 100644 --- a/drivers/md/dm-region-hash.c +++ b/drivers/md/dm-region-hash.c @@ -403,7 +403,7 @@ void dm_rh_mark_nosync(struct dm_region_hash *rh, struct bio *bio) return; } - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) return; /* We must inform the log that the sync count has changed. */ @@ -526,7 +526,7 @@ void dm_rh_inc_pending(struct dm_region_hash *rh, struct bio_list *bios) struct bio *bio; for (bio = bios->head; bio; bio = bio->bi_next) { - if (bio->bi_rw & (REQ_FLUSH | REQ_DISCARD)) + if (bio->bi_rw & REQ_FLUSH || bio_op(bio) == REQ_OP_DISCARD) continue; rh_inc(rh, dm_rh_bio_to_region(rh, bio)); } diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index 4d39093..b8cf956 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -226,8 +226,8 @@ static void do_metadata(struct work_struct *work) /* * Read or write a chunk aligned and sized block of data from a device. */ -static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int rw, - int metadata) +static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int op, + int op_flags, int metadata) { struct dm_io_region where = { .bdev = dm_snap_cow(ps->store->snap)->bdev, @@ -235,7 +235,8 @@ static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int rw, .count = ps->store->chunk_size, }; struct dm_io_request io_req = { - .bi_rw = rw, + .bi_op = op, + .bi_op_flags = op_flags, .mem.type = DM_IO_VMA, .mem.ptr.vma = area, .client = ps->io_client, @@ -281,14 +282,14 @@ static void skip_metadata(struct pstore *ps) * Read or write a metadata area. Remembering to skip the first * chunk which holds the header. */ -static int area_io(struct pstore *ps, int rw) +static int area_io(struct pstore *ps, int op, int op_flags) { int r; chunk_t chunk; chunk = area_location(ps, ps->current_area); - r = chunk_io(ps, ps->area, chunk, rw, 0); + r = chunk_io(ps, ps->area, chunk, op, op_flags, 0); if (r) return r; @@ -302,7 +303,8 @@ static void zero_memory_area(struct pstore *ps) static int zero_disk_area(struct pstore *ps, chunk_t area) { - return chunk_io(ps, ps->zero_area, area_location(ps, area), WRITE, 0); + return chunk_io(ps, ps->zero_area, area_location(ps, area), + REQ_OP_WRITE, 0, 0); } static int read_header(struct pstore *ps, int *new_snapshot) @@ -334,7 +336,7 @@ static int read_header(struct pstore *ps, int *new_snapshot) if (r) return r; - r = chunk_io(ps, ps->header_area, 0, READ, 1); + r = chunk_io(ps, ps->header_area, 0, REQ_OP_READ, 0, 1); if (r) goto bad; @@ -395,7 +397,7 @@ static int write_header(struct pstore *ps) dh->version = cpu_to_le32(ps->version); dh->chunk_size = cpu_to_le32(ps->store->chunk_size); - return chunk_io(ps, ps->header_area, 0, WRITE, 1); + return chunk_io(ps, ps->header_area, 0, REQ_OP_WRITE, 0, 1); } /* @@ -739,7 +741,7 @@ static void persistent_commit_exception(struct dm_exception_store *store, /* * Commit exceptions to disk. */ - if (ps->valid && area_io(ps, WRITE_FLUSH_FUA)) + if (ps->valid && area_io(ps, REQ_OP_WRITE, WRITE_FLUSH_FUA)) ps->valid = 0; /* @@ -779,7 +781,7 @@ static int persistent_prepare_merge(struct dm_exception_store *store, return 0; ps->current_area--; - r = area_io(ps, READ); + r = area_io(ps, REQ_OP_READ, 0); if (r < 0) return r; ps->current_committed = ps->exceptions_per_area; @@ -816,7 +818,7 @@ static int persistent_commit_merge(struct dm_exception_store *store, for (i = 0; i < nr_merged; i++) clear_exception(ps, ps->current_committed - 1 - i); - r = area_io(ps, WRITE_FLUSH_FUA); + r = area_io(ps, REQ_OP_WRITE, WRITE_FLUSH_FUA); if (r < 0) return r; diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index 797ddb9..b738178 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -292,8 +292,8 @@ static int stripe_map(struct dm_target *ti, struct bio *bio) bio->bi_bdev = sc->stripe[target_bio_nr].dev->bdev; return DM_MAPIO_REMAPPED; } - if (unlikely(bio->bi_rw & REQ_DISCARD) || - unlikely(bio->bi_rw & REQ_WRITE_SAME)) { + if (unlikely(bio_op(bio) == REQ_OP_DISCARD) || + unlikely(bio_op(bio) == REQ_OP_WRITE_SAME)) { target_bio_nr = dm_bio_get_target_bio_nr(bio); BUG_ON(target_bio_nr >= sc->stripes); return stripe_map_range(sc, bio, target_bio_nr); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index e8661c2..1b684cb 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -371,7 +371,7 @@ static void end_discard(struct discard_op *op, int r) * need to wait for the chain to complete. */ bio_chain(op->bio, op->parent_bio); - op->bio->bi_rw = REQ_WRITE | REQ_DISCARD; + bio_set_op_attrs(op->bio, REQ_OP_DISCARD, 0); submit_bio(op->bio); } @@ -705,7 +705,7 @@ static void inc_all_io_entry(struct pool *pool, struct bio *bio) { struct dm_thin_endio_hook *h; - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) return; h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); @@ -868,7 +868,8 @@ static void __inc_remap_and_issue_cell(void *context, struct bio *bio; while ((bio = bio_list_pop(&cell->bios))) { - if (bio->bi_rw & (REQ_DISCARD | REQ_FLUSH | REQ_FUA)) + if (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + bio_op(bio) == REQ_OP_DISCARD) bio_list_add(&info->defer_bios, bio); else { inc_all_io_entry(info->tc->pool, bio); @@ -1640,7 +1641,8 @@ static void __remap_and_issue_shared_cell(void *context, while ((bio = bio_list_pop(&cell->bios))) { if ((bio_data_dir(bio) == WRITE) || - (bio->bi_rw & (REQ_DISCARD | REQ_FLUSH | REQ_FUA))) + (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + bio_op(bio) == REQ_OP_DISCARD)) bio_list_add(&info->defer_bios, bio); else { struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));; @@ -2029,7 +2031,7 @@ static void process_thin_deferred_bios(struct thin_c *tc) break; } - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) pool->process_discard(tc, bio); else pool->process_bio(tc, bio); @@ -2116,7 +2118,7 @@ static void process_thin_deferred_cells(struct thin_c *tc) return; } - if (cell->holder->bi_rw & REQ_DISCARD) + if (bio_op(cell->holder) == REQ_OP_DISCARD) pool->process_discard_cell(tc, cell); else pool->process_cell(tc, cell); @@ -2554,7 +2556,8 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_SUBMITTED; } - if (bio->bi_rw & (REQ_DISCARD | REQ_FLUSH | REQ_FUA)) { + if (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + bio_op(bio) == REQ_OP_DISCARD) { thin_defer_bio_with_throttle(tc, bio); return DM_MAPIO_SUBMITTED; } diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f5ac0a3..9204a2d 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1053,7 +1053,7 @@ static void clone_endio(struct bio *bio) } } - if (unlikely(r == -EREMOTEIO && (bio->bi_rw & REQ_WRITE_SAME) && + if (unlikely(r == -EREMOTEIO && (bio_op(bio) == REQ_OP_WRITE_SAME) && !bdev_get_queue(bio->bi_bdev)->limits.max_write_same_sectors)) disable_write_same(md); @@ -1748,9 +1748,9 @@ static int __split_and_process_non_flush(struct clone_info *ci) unsigned len; int r; - if (unlikely(bio->bi_rw & REQ_DISCARD)) + if (unlikely(bio_op(bio) == REQ_OP_DISCARD)) return __send_discard(ci); - else if (unlikely(bio->bi_rw & REQ_WRITE_SAME)) + else if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME)) return __send_write_same(ci); ti = dm_table_find_target(ci->map, ci->sector); @@ -2415,7 +2415,7 @@ static struct mapped_device *alloc_dev(int minor) bio_init(&md->flush_bio); md->flush_bio.bi_bdev = md->bdev; - md->flush_bio.bi_rw = WRITE_FLUSH; + bio_set_op_attrs(&md->flush_bio, REQ_OP_WRITE, WRITE_FLUSH); dm_stats_init(&md->stats); diff --git a/include/linux/dm-io.h b/include/linux/dm-io.h index a68cbe5..b91b023 100644 --- a/include/linux/dm-io.h +++ b/include/linux/dm-io.h @@ -57,7 +57,8 @@ struct dm_io_notify { */ struct dm_io_client; struct dm_io_request { - int bi_rw; /* READ|WRITE - not READA */ + int bi_op; /* REQ_OP */ + int bi_op_flags; /* rq_flag_bits */ struct dm_io_memory mem; /* Memory to use for io */ struct dm_io_notify notify; /* Synchronous if notify.fn is NULL */ struct dm_io_client *client; /* Client memory handler */ -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 93C207D15 for ; Sun, 5 Jun 2016 14:33:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 577FC8F8037 for ; Sun, 5 Jun 2016 12:33:32 -0700 (PDT) X-ASG-Debug-ID: 1465155210-04cb6c2db9b58e10001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id SANhGvWY5AIR6v8O (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:30 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EF652828; Sun, 5 Jun 2016 19:33:29 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9W003130; Sun, 5 Jun 2016 15:33:27 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 25/45] bcache: use bio op accessors Date: Sun, 5 Jun 2016 14:32:05 -0500 X-ASG-Orig-Subj: [PATCH 25/45] bcache: use bio op accessors Message-Id: <1465155145-10812-26-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sun, 05 Jun 2016 19:33:30 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155210 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11606 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have bcache set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie --- drivers/md/bcache/btree.c | 4 ++-- drivers/md/bcache/debug.c | 4 ++-- drivers/md/bcache/journal.c | 7 ++++--- drivers/md/bcache/movinggc.c | 2 +- drivers/md/bcache/request.c | 14 +++++++------- drivers/md/bcache/super.c | 24 +++++++++++++----------- drivers/md/bcache/writeback.c | 4 ++-- 7 files changed, 31 insertions(+), 28 deletions(-) diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index eab505e..76f7534 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -294,10 +294,10 @@ static void bch_btree_node_read(struct btree *b) closure_init_stack(&cl); bio = bch_bbio_alloc(b->c); - bio->bi_rw = REQ_META|READ_SYNC; bio->bi_iter.bi_size = KEY_SIZE(&b->key) << 9; bio->bi_end_io = btree_node_read_endio; bio->bi_private = &cl; + bio_set_op_attrs(bio, REQ_OP_READ, REQ_META|READ_SYNC); bch_bio_map(bio, b->keys.set[0].data); @@ -396,8 +396,8 @@ static void do_btree_node_write(struct btree *b) b->bio->bi_end_io = btree_node_write_endio; b->bio->bi_private = cl; - b->bio->bi_rw = REQ_META|WRITE_SYNC|REQ_FUA; b->bio->bi_iter.bi_size = roundup(set_bytes(i), block_bytes(b->c)); + bio_set_op_attrs(b->bio, REQ_OP_WRITE, REQ_META|WRITE_SYNC|REQ_FUA); bch_bio_map(b->bio, i); /* diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index 52b6bcf..c28df164 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -52,7 +52,7 @@ void bch_btree_verify(struct btree *b) bio->bi_bdev = PTR_CACHE(b->c, &b->key, 0)->bdev; bio->bi_iter.bi_sector = PTR_OFFSET(&b->key, 0); bio->bi_iter.bi_size = KEY_SIZE(&v->key) << 9; - bio->bi_rw = REQ_META|READ_SYNC; + bio_set_op_attrs(bio, REQ_OP_READ, REQ_META|READ_SYNC); bch_bio_map(bio, sorted); submit_bio_wait(bio); @@ -114,7 +114,7 @@ void bch_data_verify(struct cached_dev *dc, struct bio *bio) check = bio_clone(bio, GFP_NOIO); if (!check) return; - check->bi_rw |= READ_SYNC; + bio_set_op_attrs(check, REQ_OP_READ, READ_SYNC); if (bio_alloc_pages(check, GFP_NOIO)) goto out_put; diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index af3f9f7..a3c3b30 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -54,11 +54,11 @@ reread: left = ca->sb.bucket_size - offset; bio_reset(bio); bio->bi_iter.bi_sector = bucket + offset; bio->bi_bdev = ca->bdev; - bio->bi_rw = READ; bio->bi_iter.bi_size = len << 9; bio->bi_end_io = journal_read_endio; bio->bi_private = &cl; + bio_set_op_attrs(bio, REQ_OP_READ, 0); bch_bio_map(bio, data); closure_bio_submit(bio, &cl); @@ -449,10 +449,10 @@ static void do_journal_discard(struct cache *ca) atomic_set(&ja->discard_in_flight, DISCARD_IN_FLIGHT); bio_init(bio); + bio_set_op_attrs(bio, REQ_OP_DISCARD, 0); bio->bi_iter.bi_sector = bucket_to_sector(ca->set, ca->sb.d[ja->discard_idx]); bio->bi_bdev = ca->bdev; - bio->bi_rw = REQ_WRITE|REQ_DISCARD; bio->bi_max_vecs = 1; bio->bi_io_vec = bio->bi_inline_vecs; bio->bi_iter.bi_size = bucket_bytes(ca); @@ -626,11 +626,12 @@ static void journal_write_unlocked(struct closure *cl) bio_reset(bio); bio->bi_iter.bi_sector = PTR_OFFSET(k, i); bio->bi_bdev = ca->bdev; - bio->bi_rw = REQ_WRITE|REQ_SYNC|REQ_META|REQ_FLUSH|REQ_FUA; bio->bi_iter.bi_size = sectors << 9; bio->bi_end_io = journal_write_endio; bio->bi_private = w; + bio_set_op_attrs(bio, REQ_OP_WRITE, + REQ_SYNC|REQ_META|REQ_FLUSH|REQ_FUA); bch_bio_map(bio, w->data); trace_bcache_journal_write(bio); diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c index b929fc9..1881319 100644 --- a/drivers/md/bcache/movinggc.c +++ b/drivers/md/bcache/movinggc.c @@ -163,7 +163,7 @@ static void read_moving(struct cache_set *c) moving_init(io); bio = &io->bio.bio; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); bio->bi_end_io = read_moving_endio; if (bio_alloc_pages(bio, GFP_KERNEL)) diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 6b85a23..016b0aa 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -253,7 +253,7 @@ static void bch_data_insert_start(struct closure *cl) trace_bcache_cache_insert(k); bch_keylist_push(&op->insert_keys); - n->bi_rw |= REQ_WRITE; + bio_set_op_attrs(n, REQ_OP_WRITE, 0); bch_submit_bbio(n, op->c, k, 0); } while (n != bio); @@ -378,7 +378,7 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio) if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) || c->gc_stats.in_use > CUTOFF_CACHE_ADD || - (bio->bi_rw & REQ_DISCARD)) + (bio_op(bio) == REQ_OP_DISCARD)) goto skip; if (mode == CACHE_MODE_NONE || @@ -899,7 +899,7 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s) * But check_overlapping drops dirty keys for which io hasn't started, * so we still want to call it. */ - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) s->iop.bypass = true; if (should_writeback(dc, s->orig_bio, @@ -913,7 +913,7 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s) s->iop.bio = s->orig_bio; bio_get(s->iop.bio); - if (!(bio->bi_rw & REQ_DISCARD) || + if ((bio_op(bio) != REQ_OP_DISCARD) || blk_queue_discard(bdev_get_queue(dc->bdev))) closure_bio_submit(bio, cl); } else if (s->iop.writeback) { @@ -925,10 +925,10 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s) struct bio *flush = bio_alloc_bioset(GFP_NOIO, 0, dc->disk.bio_split); - flush->bi_rw = WRITE_FLUSH; flush->bi_bdev = bio->bi_bdev; flush->bi_end_io = request_endio; flush->bi_private = cl; + bio_set_op_attrs(flush, REQ_OP_WRITE, WRITE_FLUSH); closure_bio_submit(flush, cl); } @@ -992,7 +992,7 @@ static blk_qc_t cached_dev_make_request(struct request_queue *q, cached_dev_read(dc, s); } } else { - if ((bio->bi_rw & REQ_DISCARD) && + if ((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(dc->bdev))) bio_endio(bio); else @@ -1103,7 +1103,7 @@ static blk_qc_t flash_dev_make_request(struct request_queue *q, &KEY(d->id, bio->bi_iter.bi_sector, 0), &KEY(d->id, bio_end_sector(bio), 0)); - s->iop.bypass = (bio->bi_rw & REQ_DISCARD) != 0; + s->iop.bypass = (bio_op(bio) == REQ_OP_DISCARD) != 0; s->iop.writeback = true; s->iop.bio = bio; diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 1eb526a7..c944daf7 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -212,8 +212,8 @@ static void __write_super(struct cache_sb *sb, struct bio *bio) unsigned i; bio->bi_iter.bi_sector = SB_SECTOR; - bio->bi_rw = REQ_WRITE|REQ_SYNC|REQ_META; bio->bi_iter.bi_size = SB_SIZE; + bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_SYNC|REQ_META); bch_bio_map(bio, NULL); out->offset = cpu_to_le64(sb->offset); @@ -333,7 +333,7 @@ static void uuid_io_unlock(struct closure *cl) up(&c->uuid_write_mutex); } -static void uuid_io(struct cache_set *c, unsigned long rw, +static void uuid_io(struct cache_set *c, int op, unsigned long op_flags, struct bkey *k, struct closure *parent) { struct closure *cl = &c->uuid_write; @@ -348,21 +348,22 @@ static void uuid_io(struct cache_set *c, unsigned long rw, for (i = 0; i < KEY_PTRS(k); i++) { struct bio *bio = bch_bbio_alloc(c); - bio->bi_rw = REQ_SYNC|REQ_META|rw; + bio->bi_rw = REQ_SYNC|REQ_META|op_flags; bio->bi_iter.bi_size = KEY_SIZE(k) << 9; bio->bi_end_io = uuid_endio; bio->bi_private = cl; + bio_set_op_attrs(bio, op, REQ_SYNC|REQ_META|op_flags); bch_bio_map(bio, c->uuids); bch_submit_bbio(bio, c, k, i); - if (!(rw & WRITE)) + if (op != REQ_OP_WRITE) break; } bch_extent_to_text(buf, sizeof(buf), k); - pr_debug("%s UUIDs at %s", rw & REQ_WRITE ? "wrote" : "read", buf); + pr_debug("%s UUIDs at %s", op == REQ_OP_WRITE ? "wrote" : "read", buf); for (u = c->uuids; u < c->uuids + c->nr_uuids; u++) if (!bch_is_zero(u->uuid, 16)) @@ -381,7 +382,7 @@ static char *uuid_read(struct cache_set *c, struct jset *j, struct closure *cl) return "bad uuid pointer"; bkey_copy(&c->uuid_bucket, k); - uuid_io(c, READ_SYNC, k, cl); + uuid_io(c, REQ_OP_READ, READ_SYNC, k, cl); if (j->version < BCACHE_JSET_VERSION_UUIDv1) { struct uuid_entry_v0 *u0 = (void *) c->uuids; @@ -426,7 +427,7 @@ static int __uuid_write(struct cache_set *c) return 1; SET_KEY_SIZE(&k.key, c->sb.bucket_size); - uuid_io(c, REQ_WRITE, &k.key, &cl); + uuid_io(c, REQ_OP_WRITE, 0, &k.key, &cl); closure_sync(&cl); bkey_copy(&c->uuid_bucket, &k.key); @@ -498,7 +499,8 @@ static void prio_endio(struct bio *bio) closure_put(&ca->prio); } -static void prio_io(struct cache *ca, uint64_t bucket, unsigned long rw) +static void prio_io(struct cache *ca, uint64_t bucket, int op, + unsigned long op_flags) { struct closure *cl = &ca->prio; struct bio *bio = bch_bbio_alloc(ca->set); @@ -507,11 +509,11 @@ static void prio_io(struct cache *ca, uint64_t bucket, unsigned long rw) bio->bi_iter.bi_sector = bucket * ca->sb.bucket_size; bio->bi_bdev = ca->bdev; - bio->bi_rw = REQ_SYNC|REQ_META|rw; bio->bi_iter.bi_size = bucket_bytes(ca); bio->bi_end_io = prio_endio; bio->bi_private = ca; + bio_set_op_attrs(bio, op, REQ_SYNC|REQ_META|op_flags); bch_bio_map(bio, ca->disk_buckets); closure_bio_submit(bio, &ca->prio); @@ -557,7 +559,7 @@ void bch_prio_write(struct cache *ca) BUG_ON(bucket == -1); mutex_unlock(&ca->set->bucket_lock); - prio_io(ca, bucket, REQ_WRITE); + prio_io(ca, bucket, REQ_OP_WRITE, 0); mutex_lock(&ca->set->bucket_lock); ca->prio_buckets[i] = bucket; @@ -599,7 +601,7 @@ static void prio_read(struct cache *ca, uint64_t bucket) ca->prio_last_buckets[bucket_nr] = bucket; bucket_nr++; - prio_io(ca, bucket, READ_SYNC); + prio_io(ca, bucket, REQ_OP_READ, READ_SYNC); if (p->csum != bch_crc64(&p->magic, bucket_bytes(ca) - 8)) pr_warn("bad csum reading priorities"); diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 6012367..d9fd2a6 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -182,7 +182,7 @@ static void write_dirty(struct closure *cl) struct keybuf_key *w = io->bio.bi_private; dirty_init(w); - io->bio.bi_rw = WRITE; + bio_set_op_attrs(&io->bio, REQ_OP_WRITE, 0); io->bio.bi_iter.bi_sector = KEY_START(&w->key); io->bio.bi_bdev = io->dc->bdev; io->bio.bi_end_io = dirty_endio; @@ -251,10 +251,10 @@ static void read_dirty(struct cached_dev *dc) io->dc = dc; dirty_init(w); + bio_set_op_attrs(&io->bio, REQ_OP_READ, 0); io->bio.bi_iter.bi_sector = PTR_OFFSET(&w->key, 0); io->bio.bi_bdev = PTR_CACHE(dc->disk.c, &w->key, 0)->bdev; - io->bio.bi_rw = READ; io->bio.bi_end_io = read_dirty_endio; if (bio_alloc_pages(&io->bio, GFP_KERNEL)) -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id F0B527D1D for ; 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Sun, 5 Jun 2016 15:33:30 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 26/45] drbd: use bio op accessors Date: Sun, 5 Jun 2016 14:32:06 -0500 X-ASG-Orig-Subj: [PATCH 26/45] drbd: use bio op accessors Message-Id: <1465155145-10812-27-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 05 Jun 2016 19:33:32 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155212 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15185 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have drbd set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- v8: 1. Combined this patch with what was the cleanup/completion path handling patch so all bio op drbd changes are now only in this patch. drivers/block/drbd/drbd_actlog.c | 28 +++++++++++++++------------- drivers/block/drbd/drbd_bitmap.c | 6 +++--- drivers/block/drbd/drbd_int.h | 4 ++-- drivers/block/drbd/drbd_main.c | 20 +++++++++++--------- drivers/block/drbd/drbd_receiver.c | 36 ++++++++++++++++++++++++------------ drivers/block/drbd/drbd_worker.c | 7 ++++--- 6 files changed, 59 insertions(+), 42 deletions(-) diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 6069e15..f236a31 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -137,19 +137,19 @@ void wait_until_done_or_force_detached(struct drbd_device *device, struct drbd_b static int _drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bdev, - sector_t sector, int rw) + sector_t sector, int op) { struct bio *bio; /* we do all our meta data IO in aligned 4k blocks. */ const int size = 4096; - int err; + int err, op_flags = 0; device->md_io.done = 0; device->md_io.error = -ENODEV; - if ((rw & WRITE) && !test_bit(MD_NO_FUA, &device->flags)) - rw |= REQ_FUA | REQ_FLUSH; - rw |= REQ_SYNC | REQ_NOIDLE; + if ((op == REQ_OP_WRITE) && !test_bit(MD_NO_FUA, &device->flags)) + op_flags |= REQ_FUA | REQ_FLUSH; + op_flags |= REQ_SYNC | REQ_NOIDLE; bio = bio_alloc_drbd(GFP_NOIO); bio->bi_bdev = bdev->md_bdev; @@ -159,9 +159,9 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, goto out; bio->bi_private = device; bio->bi_end_io = drbd_md_endio; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); - if (!(rw & WRITE) && device->state.disk == D_DISKLESS && device->ldev == NULL) + if (op != REQ_OP_WRITE && device->state.disk == D_DISKLESS && device->ldev == NULL) /* special case, drbd_md_read() during drbd_adm_attach(): no get_ldev */ ; else if (!get_ldev_if_state(device, D_ATTACHING)) { @@ -174,7 +174,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, bio_get(bio); /* one bio_put() is in the completion handler */ atomic_inc(&device->md_io.in_use); /* drbd_md_put_buffer() is in the completion handler */ device->md_io.submit_jif = jiffies; - if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) + if (drbd_insert_fault(device, (op == REQ_OP_WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) bio_io_error(bio); else submit_bio(bio); @@ -188,7 +188,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, } int drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bdev, - sector_t sector, int rw) + sector_t sector, int op) { int err; D_ASSERT(device, atomic_read(&device->md_io.in_use) == 1); @@ -197,19 +197,21 @@ int drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bd dynamic_drbd_dbg(device, "meta_data io: %s [%d]:%s(,%llus,%s) %pS\n", current->comm, current->pid, __func__, - (unsigned long long)sector, (rw & WRITE) ? "WRITE" : "READ", + (unsigned long long)sector, (op == REQ_OP_WRITE) ? "WRITE" : "READ", (void*)_RET_IP_ ); if (sector < drbd_md_first_sector(bdev) || sector + 7 > drbd_md_last_sector(bdev)) drbd_alert(device, "%s [%d]:%s(,%llus,%s) out of range md access!\n", current->comm, current->pid, __func__, - (unsigned long long)sector, (rw & WRITE) ? "WRITE" : "READ"); + (unsigned long long)sector, + (op == REQ_OP_WRITE) ? "WRITE" : "READ"); - err = _drbd_md_sync_page_io(device, bdev, sector, rw); + err = _drbd_md_sync_page_io(device, bdev, sector, op); if (err) { drbd_err(device, "drbd_md_sync_page_io(,%llus,%s) failed with error %d\n", - (unsigned long long)sector, (rw & WRITE) ? "WRITE" : "READ", err); + (unsigned long long)sector, + (op == REQ_OP_WRITE) ? "WRITE" : "READ", err); } return err; } diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index e8959fe..e5d89f6 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -980,7 +980,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho struct drbd_bitmap *b = device->bitmap; struct page *page; unsigned int len; - unsigned int rw = (ctx->flags & BM_AIO_READ) ? READ : WRITE; + unsigned int op = (ctx->flags & BM_AIO_READ) ? REQ_OP_READ : REQ_OP_WRITE; sector_t on_disk_sector = device->ldev->md.md_offset + device->ldev->md.bm_offset; @@ -1011,9 +1011,9 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho bio_add_page(bio, page, len, 0); bio->bi_private = ctx; bio->bi_end_io = drbd_bm_endio; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, 0); - if (drbd_insert_fault(device, (rw & WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) { + if (drbd_insert_fault(device, (op == REQ_OP_WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) { bio_io_error(bio); } else { submit_bio(bio); diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 7a1cf7e..33f0b82 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1507,7 +1507,7 @@ extern int drbd_resync_finished(struct drbd_device *device); extern void *drbd_md_get_buffer(struct drbd_device *device, const char *intent); extern void drbd_md_put_buffer(struct drbd_device *device); extern int drbd_md_sync_page_io(struct drbd_device *device, - struct drbd_backing_dev *bdev, sector_t sector, int rw); + struct drbd_backing_dev *bdev, sector_t sector, int op); extern void drbd_ov_out_of_sync_found(struct drbd_device *, sector_t, int); extern void wait_until_done_or_force_detached(struct drbd_device *device, struct drbd_backing_dev *bdev, unsigned int *done); @@ -1557,7 +1557,7 @@ extern bool drbd_rs_should_slow_down(struct drbd_device *device, sector_t sector bool throttle_if_app_is_waiting); extern int drbd_submit_peer_request(struct drbd_device *, struct drbd_peer_request *, const unsigned, - const int); + const unsigned, const int); extern int drbd_free_peer_reqs(struct drbd_device *, struct list_head *); extern struct drbd_peer_request *drbd_alloc_peer_req(struct drbd_peer_device *, u64, sector_t, unsigned int, diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 2ba1494..d55febc 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1603,15 +1603,16 @@ static int _drbd_send_zc_ee(struct drbd_peer_device *peer_device, return 0; } -static u32 bio_flags_to_wire(struct drbd_connection *connection, unsigned long bi_rw) +static u32 bio_flags_to_wire(struct drbd_connection *connection, + struct bio *bio) { if (connection->agreed_pro_version >= 95) - return (bi_rw & REQ_SYNC ? DP_RW_SYNC : 0) | - (bi_rw & REQ_FUA ? DP_FUA : 0) | - (bi_rw & REQ_FLUSH ? DP_FLUSH : 0) | - (bi_rw & REQ_DISCARD ? DP_DISCARD : 0); + return (bio->bi_rw & REQ_SYNC ? DP_RW_SYNC : 0) | + (bio->bi_rw & REQ_FUA ? DP_FUA : 0) | + (bio->bi_rw & REQ_FLUSH ? DP_FLUSH : 0) | + (bio_op(bio) == REQ_OP_DISCARD ? DP_DISCARD : 0); else - return bi_rw & REQ_SYNC ? DP_RW_SYNC : 0; + return bio->bi_rw & REQ_SYNC ? DP_RW_SYNC : 0; } /* Used to send write or TRIM aka REQ_DISCARD requests @@ -1636,7 +1637,7 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request * p->sector = cpu_to_be64(req->i.sector); p->block_id = (unsigned long)req; p->seq_num = cpu_to_be32(atomic_inc_return(&device->packet_seq)); - dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio->bi_rw); + dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio); if (device->state.conn >= C_SYNC_SOURCE && device->state.conn <= C_PAUSED_SYNC_T) dp_flags |= DP_MAY_SET_IN_SYNC; @@ -3061,7 +3062,7 @@ void drbd_md_write(struct drbd_device *device, void *b) D_ASSERT(device, drbd_md_ss(device->ldev) == device->ldev->md.md_offset); sector = device->ldev->md.md_offset; - if (drbd_md_sync_page_io(device, device->ldev, sector, WRITE)) { + if (drbd_md_sync_page_io(device, device->ldev, sector, REQ_OP_WRITE)) { /* this was a try anyways ... */ drbd_err(device, "meta data update failed!\n"); drbd_chk_io_error(device, 1, DRBD_META_IO_ERROR); @@ -3263,7 +3264,8 @@ int drbd_md_read(struct drbd_device *device, struct drbd_backing_dev *bdev) * Affects the paranoia out-of-range access check in drbd_md_sync_page_io(). */ bdev->md.md_size_sect = 8; - if (drbd_md_sync_page_io(device, bdev, bdev->md.md_offset, READ)) { + if (drbd_md_sync_page_io(device, bdev, bdev->md.md_offset, + REQ_OP_READ)) { /* NOTE: can't do normal error processing here as this is called BEFORE disk is attached */ drbd_err(device, "Error while reading metadata.\n"); diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 050aaa1..6c59978 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1398,7 +1398,8 @@ void drbd_bump_write_ordering(struct drbd_resource *resource, struct drbd_backin /* TODO allocate from our own bio_set. */ int drbd_submit_peer_request(struct drbd_device *device, struct drbd_peer_request *peer_req, - const unsigned rw, const int fault_type) + const unsigned op, const unsigned op_flags, + const int fault_type) { struct bio *bios = NULL; struct bio *bio; @@ -1450,7 +1451,7 @@ next_bio: /* > peer_req->i.sector, unless this is the first bio */ bio->bi_iter.bi_sector = sector; bio->bi_bdev = device->ldev->backing_bdev; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); bio->bi_private = peer_req; bio->bi_end_io = drbd_peer_request_endio; @@ -1458,7 +1459,7 @@ next_bio: bios = bio; ++n_bios; - if (rw & REQ_DISCARD) { + if (op == REQ_OP_DISCARD) { bio->bi_iter.bi_size = data_size; goto submit; } @@ -1830,7 +1831,8 @@ static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t secto spin_unlock_irq(&device->resource->req_lock); atomic_add(pi->size >> 9, &device->rs_sect_ev); - if (drbd_submit_peer_request(device, peer_req, WRITE, DRBD_FAULT_RS_WR) == 0) + if (drbd_submit_peer_request(device, peer_req, REQ_OP_WRITE, 0, + DRBD_FAULT_RS_WR) == 0) return 0; /* don't care for the reason here */ @@ -2152,12 +2154,19 @@ static int wait_for_and_update_peer_seq(struct drbd_peer_device *peer_device, co /* see also bio_flags_to_wire() * DRBD_REQ_*, because we need to semantically map the flags to data packet * flags and back. We may replicate to other kernel versions. */ -static unsigned long wire_flags_to_bio(u32 dpf) +static unsigned long wire_flags_to_bio_flags(u32 dpf) { return (dpf & DP_RW_SYNC ? REQ_SYNC : 0) | (dpf & DP_FUA ? REQ_FUA : 0) | - (dpf & DP_FLUSH ? REQ_FLUSH : 0) | - (dpf & DP_DISCARD ? REQ_DISCARD : 0); + (dpf & DP_FLUSH ? REQ_FLUSH : 0); +} + +static unsigned long wire_flags_to_bio_op(u32 dpf) +{ + if (dpf & DP_DISCARD) + return REQ_OP_DISCARD; + else + return REQ_OP_WRITE; } static void fail_postponed_requests(struct drbd_device *device, sector_t sector, @@ -2303,7 +2312,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * struct drbd_peer_request *peer_req; struct p_data *p = pi->data; u32 peer_seq = be32_to_cpu(p->seq_num); - int rw = WRITE; + int op, op_flags; u32 dp_flags; int err, tp; @@ -2342,14 +2351,15 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * peer_req->flags |= EE_APPLICATION; dp_flags = be32_to_cpu(p->dp_flags); - rw |= wire_flags_to_bio(dp_flags); + op = wire_flags_to_bio_op(dp_flags); + op_flags = wire_flags_to_bio_flags(dp_flags); if (pi->cmd == P_TRIM) { struct request_queue *q = bdev_get_queue(device->ldev->backing_bdev); peer_req->flags |= EE_IS_TRIM; if (!blk_queue_discard(q)) peer_req->flags |= EE_IS_TRIM_USE_ZEROOUT; D_ASSERT(peer_device, peer_req->i.size > 0); - D_ASSERT(peer_device, rw & REQ_DISCARD); + D_ASSERT(peer_device, op == REQ_OP_DISCARD); D_ASSERT(peer_device, peer_req->pages == NULL); } else if (peer_req->pages == NULL) { D_ASSERT(device, peer_req->i.size == 0); @@ -2433,7 +2443,8 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * peer_req->flags |= EE_CALL_AL_COMPLETE_IO; } - err = drbd_submit_peer_request(device, peer_req, rw, DRBD_FAULT_DT_WR); + err = drbd_submit_peer_request(device, peer_req, op, op_flags, + DRBD_FAULT_DT_WR); if (!err) return 0; @@ -2723,7 +2734,8 @@ submit_for_resync: submit: update_receiver_timing_details(connection, drbd_submit_peer_request); inc_unacked(device); - if (drbd_submit_peer_request(device, peer_req, READ, fault_type) == 0) + if (drbd_submit_peer_request(device, peer_req, REQ_OP_READ, 0, + fault_type) == 0) return 0; /* don't care for the reason here */ diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 4d87499..51fab97 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -174,7 +174,7 @@ void drbd_peer_request_endio(struct bio *bio) struct drbd_peer_request *peer_req = bio->bi_private; struct drbd_device *device = peer_req->peer_device->device; int is_write = bio_data_dir(bio) == WRITE; - int is_discard = !!(bio->bi_rw & REQ_DISCARD); + int is_discard = !!(bio_op(bio) == REQ_OP_DISCARD); if (bio->bi_error && __ratelimit(&drbd_ratelimit_state)) drbd_warn(device, "%s: error=%d s=%llus\n", @@ -248,7 +248,7 @@ void drbd_request_endio(struct bio *bio) /* to avoid recursion in __req_mod */ if (unlikely(bio->bi_error)) { - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) what = (bio->bi_error == -EOPNOTSUPP) ? DISCARD_COMPLETED_NOTSUPP : DISCARD_COMPLETED_WITH_ERROR; @@ -397,7 +397,8 @@ static int read_for_csum(struct drbd_peer_device *peer_device, sector_t sector, spin_unlock_irq(&device->resource->req_lock); atomic_add(size >> 9, &device->rs_sect_ev); - if (drbd_submit_peer_request(device, peer_req, READ, DRBD_FAULT_RS_RD) == 0) + if (drbd_submit_peer_request(device, peer_req, REQ_OP_READ, 0, + DRBD_FAULT_RS_RD) == 0) return 0; /* If it failed because of ENOMEM, retry should help. If it failed -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B4BAF7D23 for ; Sun, 5 Jun 2016 14:33:38 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7B336304048 for ; Sun, 5 Jun 2016 12:33:38 -0700 (PDT) X-ASG-Debug-ID: 1465155216-04cb6c2dbbb58e30001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ddNiUczQy9uXS8gq (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:37 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B6C1611274B; Sun, 5 Jun 2016 19:33:36 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9Z003130; Sun, 5 Jun 2016 15:33:34 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 28/45] target: use bio op accessors Date: Sun, 5 Jun 2016 14:32:08 -0500 X-ASG-Orig-Subj: [PATCH 28/45] target: use bio op accessors Message-Id: <1465155145-10812-29-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sun, 05 Jun 2016 19:33:36 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155217 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3905 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have the target layer set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie --- drivers/target/target_core_iblock.c | 29 ++++++++++++++--------------- drivers/target/target_core_pscsi.c | 2 +- 2 files changed, 15 insertions(+), 16 deletions(-) diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index c25109c..22af12f 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -312,7 +312,8 @@ static void iblock_bio_done(struct bio *bio) } static struct bio * -iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int rw) +iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int op, + int op_flags) { struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev); struct bio *bio; @@ -334,7 +335,7 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int rw) bio->bi_private = cmd; bio->bi_end_io = &iblock_bio_done; bio->bi_iter.bi_sector = lba; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); return bio; } @@ -480,7 +481,7 @@ iblock_execute_write_same(struct se_cmd *cmd) goto fail; cmd->priv = ibr; - bio = iblock_get_bio(cmd, block_lba, 1, WRITE); + bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE, 0); if (!bio) goto fail_free_ibr; @@ -493,7 +494,8 @@ iblock_execute_write_same(struct se_cmd *cmd) while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset) != sg->length) { - bio = iblock_get_bio(cmd, block_lba, 1, WRITE); + bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE, + 0); if (!bio) goto fail_put_bios; @@ -679,8 +681,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, struct scatterlist *sg; u32 sg_num = sgl_nents; unsigned bio_cnt; - int rw = 0; - int i; + int i, op, op_flags = 0; if (data_direction == DMA_TO_DEVICE) { struct iblock_dev *ib_dev = IBLOCK_DEV(dev); @@ -689,18 +690,15 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, * Force writethrough using WRITE_FUA if a volatile write cache * is not enabled, or if initiator set the Force Unit Access bit. */ + op = REQ_OP_WRITE; if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) { if (cmd->se_cmd_flags & SCF_FUA) - rw = WRITE_FUA; + op_flags = WRITE_FUA; else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) - rw = WRITE_FUA; - else - rw = WRITE; - } else { - rw = WRITE; + op_flags = WRITE_FUA; } } else { - rw = READ; + op = REQ_OP_READ; } ibr = kzalloc(sizeof(struct iblock_req), GFP_KERNEL); @@ -714,7 +712,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, return 0; } - bio = iblock_get_bio(cmd, block_lba, sgl_nents, rw); + bio = iblock_get_bio(cmd, block_lba, sgl_nents, op, op_flags); if (!bio) goto fail_free_ibr; @@ -738,7 +736,8 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, bio_cnt = 0; } - bio = iblock_get_bio(cmd, block_lba, sg_num, rw); + bio = iblock_get_bio(cmd, block_lba, sg_num, op, + op_flags); if (!bio) goto fail_put_bios; diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index de18790..81564c8 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -922,7 +922,7 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, goto fail; if (rw) - bio->bi_rw |= REQ_WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); pr_debug("PSCSI: Allocated bio: %p," " dir: %s nr_vecs: %d\n", bio, -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D7FB87CB8 for ; Sun, 5 Jun 2016 14:33:40 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9A0148F8037 for ; Sun, 5 Jun 2016 12:33:40 -0700 (PDT) X-ASG-Debug-ID: 1465155219-04bdf05ad5b784b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id oCFwWh8siSECBOkh (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:39 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0491D3DB; Sun, 5 Jun 2016 19:33:39 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9a003130; Sun, 5 Jun 2016 15:33:36 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 29/45] xen: use bio op accessors Date: Sun, 5 Jun 2016 14:32:09 -0500 X-ASG-Orig-Subj: [PATCH 29/45] xen: use bio op accessors Message-Id: <1465155145-10812-30-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Sun, 05 Jun 2016 19:33:39 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155219 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4537 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have xen set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- drivers/block/xen-blkback/blkback.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-) diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 79fe493..4a80ee7 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -501,7 +501,7 @@ static int xen_vbd_translate(struct phys_req *req, struct xen_blkif *blkif, struct xen_vbd *vbd = &blkif->vbd; int rc = -EACCES; - if ((operation != READ) && vbd->readonly) + if ((operation != REQ_OP_READ) && vbd->readonly) goto out; if (likely(req->nr_sects)) { @@ -1014,7 +1014,7 @@ static int dispatch_discard_io(struct xen_blkif_ring *ring, preq.sector_number = req->u.discard.sector_number; preq.nr_sects = req->u.discard.nr_sectors; - err = xen_vbd_translate(&preq, blkif, WRITE); + err = xen_vbd_translate(&preq, blkif, REQ_OP_WRITE); if (err) { pr_warn("access denied: DISCARD [%llu->%llu] on dev=%04x\n", preq.sector_number, @@ -1229,6 +1229,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, struct bio **biolist = pending_req->biolist; int i, nbio = 0; int operation; + int operation_flags = 0; struct blk_plug plug; bool drain = false; struct grant_page **pages = pending_req->segments; @@ -1247,17 +1248,19 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, switch (req_operation) { case BLKIF_OP_READ: ring->st_rd_req++; - operation = READ; + operation = REQ_OP_READ; break; case BLKIF_OP_WRITE: ring->st_wr_req++; - operation = WRITE_ODIRECT; + operation = REQ_OP_WRITE; + operation_flags = WRITE_ODIRECT; break; case BLKIF_OP_WRITE_BARRIER: drain = true; case BLKIF_OP_FLUSH_DISKCACHE: ring->st_f_req++; - operation = WRITE_FLUSH; + operation = REQ_OP_WRITE; + operation_flags = WRITE_FLUSH; break; default: operation = 0; /* make gcc happy */ @@ -1269,7 +1272,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, nseg = req->operation == BLKIF_OP_INDIRECT ? req->u.indirect.nr_segments : req->u.rw.nr_segments; - if (unlikely(nseg == 0 && operation != WRITE_FLUSH) || + if (unlikely(nseg == 0 && operation_flags != WRITE_FLUSH) || unlikely((req->operation != BLKIF_OP_INDIRECT) && (nseg > BLKIF_MAX_SEGMENTS_PER_REQUEST)) || unlikely((req->operation == BLKIF_OP_INDIRECT) && @@ -1310,7 +1313,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, if (xen_vbd_translate(&preq, ring->blkif, operation) != 0) { pr_debug("access denied: %s of [%llu,%llu] on dev=%04x\n", - operation == READ ? "read" : "write", + operation == REQ_OP_READ ? "read" : "write", preq.sector_number, preq.sector_number + preq.nr_sects, ring->blkif->vbd.pdevice); @@ -1369,7 +1372,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, bio->bi_private = pending_req; bio->bi_end_io = end_block_io_op; bio->bi_iter.bi_sector = preq.sector_number; - bio->bi_rw = operation; + bio_set_op_attrs(bio, operation, operation_flags); } preq.sector_number += seg[i].nsec; @@ -1377,7 +1380,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, /* This will be hit if the operation was a flush or discard. */ if (!bio) { - BUG_ON(operation != WRITE_FLUSH); + BUG_ON(operation_flags != WRITE_FLUSH); bio = bio_alloc(GFP_KERNEL, 0); if (unlikely(bio == NULL)) @@ -1387,7 +1390,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, bio->bi_bdev = preq.bdev; bio->bi_private = pending_req; bio->bi_end_io = end_block_io_op; - bio->bi_rw = operation; + bio_set_op_attrs(bio, operation, operation_flags); } atomic_set(&pending_req->pendcnt, nbio); @@ -1399,9 +1402,9 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, /* Let the I/Os go.. */ blk_finish_plug(&plug); - if (operation == READ) + if (operation == REQ_OP_READ) ring->st_rd_sect += preq.nr_sects; - else if (operation & WRITE) + else if (operation == REQ_OP_WRITE) ring->st_wr_sect += preq.nr_sects; return 0; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 085637D0E for ; Sun, 5 Jun 2016 14:33:37 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B1014304043 for ; Sun, 5 Jun 2016 12:33:37 -0700 (PDT) X-ASG-Debug-ID: 1465155214-04bdf05ad5b784a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id DFDkXmO2CpLi6hlI (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:34 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 76B5D7D0D9; Sun, 5 Jun 2016 19:33:34 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9Y003130; Sun, 5 Jun 2016 15:33:32 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 27/45] md: use bio op accessors Date: Sun, 5 Jun 2016 14:32:07 -0500 X-ASG-Orig-Subj: [PATCH 27/45] md: use bio op accessors Message-Id: <1465155145-10812-28-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Sun, 05 Jun 2016 19:33:34 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155214 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 27535 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Separate the op from the rq_flag_bits and have md set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- drivers/md/bitmap.c | 2 +- drivers/md/dm-raid.c | 5 +++-- drivers/md/linear.c | 2 +- drivers/md/md.c | 12 ++++++------ drivers/md/md.h | 3 ++- drivers/md/raid0.c | 2 +- drivers/md/raid1.c | 32 +++++++++++++++----------------- drivers/md/raid10.c | 48 +++++++++++++++++++++++------------------------- drivers/md/raid5-cache.c | 26 ++++++++++++++++---------- drivers/md/raid5.c | 40 ++++++++++++++++++++-------------------- 10 files changed, 88 insertions(+), 84 deletions(-) diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index bc6dced..6fff794 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -162,7 +162,7 @@ static int read_sb_page(struct mddev *mddev, loff_t offset, if (sync_page_io(rdev, target, roundup(size, bdev_logical_block_size(rdev->bdev)), - page, READ, true)) { + page, REQ_OP_READ, 0, true)) { page->index = index; return 0; } diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 5253274..8cbac62 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -792,7 +792,7 @@ static int read_disk_sb(struct md_rdev *rdev, int size) if (rdev->sb_loaded) return 0; - if (!sync_page_io(rdev, 0, size, rdev->sb_page, READ, 1)) { + if (!sync_page_io(rdev, 0, size, rdev->sb_page, REQ_OP_READ, 0, 1)) { DMERR("Failed to read superblock of device at position %d", rdev->raid_disk); md_error(rdev->mddev, rdev); @@ -1651,7 +1651,8 @@ static void attempt_restore_of_faulty_devices(struct raid_set *rs) for (i = 0; i < rs->md.raid_disks; i++) { r = &rs->dev[i].rdev; if (test_bit(Faulty, &r->flags) && r->sb_page && - sync_page_io(r, 0, r->sb_size, r->sb_page, READ, 1)) { + sync_page_io(r, 0, r->sb_size, r->sb_page, REQ_OP_READ, 0, + 1)) { DMINFO("Faulty %s device #%d has readable super block." " Attempting to revive it.", rs->raid_type->name, i); diff --git a/drivers/md/linear.c b/drivers/md/linear.c index b7fe7e9..1ad3f48 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -252,7 +252,7 @@ static void linear_make_request(struct mddev *mddev, struct bio *bio) split->bi_iter.bi_sector = split->bi_iter.bi_sector - start_sector + data_offset; - if (unlikely((split->bi_rw & REQ_DISCARD) && + if (unlikely((bio_op(split) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(split->bi_bdev)))) { /* Just ignore it */ bio_endio(split); diff --git a/drivers/md/md.c b/drivers/md/md.c index fb3950b..bd4844f 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -394,7 +394,7 @@ static void submit_flushes(struct work_struct *ws) bi->bi_end_io = md_end_flush; bi->bi_private = rdev; bi->bi_bdev = rdev->bdev; - bi->bi_rw = WRITE_FLUSH; + bio_set_op_attrs(bi, REQ_OP_WRITE, WRITE_FLUSH); atomic_inc(&mddev->flush_pending); submit_bio(bi); rcu_read_lock(); @@ -743,7 +743,7 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, bio_add_page(bio, page, size, 0); bio->bi_private = rdev; bio->bi_end_io = super_written; - bio->bi_rw = WRITE_FLUSH_FUA; + bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH_FUA); atomic_inc(&mddev->pending_writes); submit_bio(bio); @@ -756,14 +756,14 @@ void md_super_wait(struct mddev *mddev) } int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, - struct page *page, int rw, bool metadata_op) + struct page *page, int op, int op_flags, bool metadata_op) { struct bio *bio = bio_alloc_mddev(GFP_NOIO, 1, rdev->mddev); int ret; bio->bi_bdev = (metadata_op && rdev->meta_bdev) ? rdev->meta_bdev : rdev->bdev; - bio->bi_rw = rw; + bio_set_op_attrs(bio, op, op_flags); if (metadata_op) bio->bi_iter.bi_sector = sector + rdev->sb_start; else if (rdev->mddev->reshape_position != MaxSector && @@ -789,7 +789,7 @@ static int read_disk_sb(struct md_rdev *rdev, int size) if (rdev->sb_loaded) return 0; - if (!sync_page_io(rdev, 0, size, rdev->sb_page, READ, true)) + if (!sync_page_io(rdev, 0, size, rdev->sb_page, REQ_OP_READ, 0, true)) goto fail; rdev->sb_loaded = 1; return 0; @@ -1475,7 +1475,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_ return -EINVAL; bb_sector = (long long)offset; if (!sync_page_io(rdev, bb_sector, sectors << 9, - rdev->bb_page, READ, true)) + rdev->bb_page, REQ_OP_READ, 0, true)) return -EIO; bbp = (u64 *)page_address(rdev->bb_page); rdev->badblocks.shift = sb->bblog_shift; diff --git a/drivers/md/md.h b/drivers/md/md.h index b5c4be7..2e0918f 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -618,7 +618,8 @@ extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev, sector_t sector, int size, struct page *page); extern void md_super_wait(struct mddev *mddev); extern int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, - struct page *page, int rw, bool metadata_op); + struct page *page, int op, int op_flags, + bool metadata_op); extern void md_do_sync(struct md_thread *thread); extern void md_new_event(struct mddev *mddev); extern int md_allow_write(struct mddev *mddev); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 34783a3..051a10c 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -488,7 +488,7 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio) split->bi_iter.bi_sector = sector + zone->dev_start + tmp_dev->data_offset; - if (unlikely((split->bi_rw & REQ_DISCARD) && + if (unlikely((bio_op(split) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(split->bi_bdev)))) { /* Just ignore it */ bio_endio(split); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index bc95d4d..a342723 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -759,7 +759,7 @@ static void flush_pending_writes(struct r1conf *conf) while (bio) { /* submit pending writes */ struct bio *next = bio->bi_next; bio->bi_next = NULL; - if (unlikely((bio->bi_rw & REQ_DISCARD) && + if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) /* Just ignore it */ bio_endio(bio); @@ -1033,7 +1033,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule) while (bio) { /* submit pending writes */ struct bio *next = bio->bi_next; bio->bi_next = NULL; - if (unlikely((bio->bi_rw & REQ_DISCARD) && + if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) /* Just ignore it */ bio_endio(bio); @@ -1053,12 +1053,11 @@ static void raid1_make_request(struct mddev *mddev, struct bio * bio) int i, disks; struct bitmap *bitmap; unsigned long flags; + const int op = bio_op(bio); const int rw = bio_data_dir(bio); const unsigned long do_sync = (bio->bi_rw & REQ_SYNC); const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA)); - const unsigned long do_discard = (bio->bi_rw - & (REQ_DISCARD | REQ_SECURE)); - const unsigned long do_same = (bio->bi_rw & REQ_WRITE_SAME); + const unsigned long do_sec = (bio->bi_rw & REQ_SECURE); struct md_rdev *blocked_rdev; struct blk_plug_cb *cb; struct raid1_plug_cb *plug = NULL; @@ -1166,7 +1165,7 @@ read_again: mirror->rdev->data_offset; read_bio->bi_bdev = mirror->rdev->bdev; read_bio->bi_end_io = raid1_end_read_request; - read_bio->bi_rw = READ | do_sync; + bio_set_op_attrs(read_bio, op, do_sync); read_bio->bi_private = r1_bio; if (max_sectors < r1_bio->sectors) { @@ -1376,8 +1375,7 @@ read_again: conf->mirrors[i].rdev->data_offset); mbio->bi_bdev = conf->mirrors[i].rdev->bdev; mbio->bi_end_io = raid1_end_write_request; - mbio->bi_rw = - WRITE | do_flush_fua | do_sync | do_discard | do_same; + bio_set_op_attrs(mbio, op, do_flush_fua | do_sync | do_sec); mbio->bi_private = r1_bio; atomic_inc(&r1_bio->remaining); @@ -1771,7 +1769,7 @@ static void end_sync_write(struct bio *bio) static int r1_sync_page_io(struct md_rdev *rdev, sector_t sector, int sectors, struct page *page, int rw) { - if (sync_page_io(rdev, sector, sectors << 9, page, rw, false)) + if (sync_page_io(rdev, sector, sectors << 9, page, rw, 0, false)) /* success */ return 1; if (rw == WRITE) { @@ -1825,7 +1823,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio) rdev = conf->mirrors[d].rdev; if (sync_page_io(rdev, sect, s<<9, bio->bi_io_vec[idx].bv_page, - READ, false)) { + REQ_OP_READ, 0, false)) { success = 1; break; } @@ -2030,7 +2028,7 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio) !test_bit(MD_RECOVERY_SYNC, &mddev->recovery)))) continue; - wbio->bi_rw = WRITE; + bio_set_op_attrs(wbio, REQ_OP_WRITE, 0); wbio->bi_end_io = end_sync_write; atomic_inc(&r1_bio->remaining); md_sync_acct(conf->mirrors[i].rdev->bdev, bio_sectors(wbio)); @@ -2090,7 +2088,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk, is_badblock(rdev, sect, s, &first_bad, &bad_sectors) == 0 && sync_page_io(rdev, sect, s<<9, - conf->tmppage, READ, false)) + conf->tmppage, REQ_OP_READ, 0, false)) success = 1; else { d++; @@ -2201,7 +2199,7 @@ static int narrow_write_error(struct r1bio *r1_bio, int i) wbio = bio_clone_mddev(r1_bio->master_bio, GFP_NOIO, mddev); } - wbio->bi_rw = WRITE; + bio_set_op_attrs(wbio, REQ_OP_WRITE, 0); wbio->bi_iter.bi_sector = r1_bio->sector; wbio->bi_iter.bi_size = r1_bio->sectors << 9; @@ -2344,7 +2342,7 @@ read_more: bio->bi_iter.bi_sector = r1_bio->sector + rdev->data_offset; bio->bi_bdev = rdev->bdev; bio->bi_end_io = raid1_end_read_request; - bio->bi_rw = READ | do_sync; + bio_set_op_attrs(bio, REQ_OP_READ, do_sync); bio->bi_private = r1_bio; if (max_sectors < r1_bio->sectors) { /* Drat - have to split this up more */ @@ -2572,7 +2570,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, if (i < conf->raid_disks) still_degraded = 1; } else if (!test_bit(In_sync, &rdev->flags)) { - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_end_io = end_sync_write; write_targets ++; } else { @@ -2599,7 +2597,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, if (disk < 0) disk = i; } - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); bio->bi_end_io = end_sync_read; read_targets++; } else if (!test_bit(WriteErrorSeen, &rdev->flags) && @@ -2611,7 +2609,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, * if we are doing resync or repair. Otherwise, leave * this device alone for this sync request. */ - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_end_io = end_sync_write; write_targets++; } diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 0be6497..615045a 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -865,7 +865,7 @@ static void flush_pending_writes(struct r10conf *conf) while (bio) { /* submit pending writes */ struct bio *next = bio->bi_next; bio->bi_next = NULL; - if (unlikely((bio->bi_rw & REQ_DISCARD) && + if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) /* Just ignore it */ bio_endio(bio); @@ -1041,7 +1041,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule) while (bio) { /* submit pending writes */ struct bio *next = bio->bi_next; bio->bi_next = NULL; - if (unlikely((bio->bi_rw & REQ_DISCARD) && + if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) /* Just ignore it */ bio_endio(bio); @@ -1058,12 +1058,11 @@ static void __make_request(struct mddev *mddev, struct bio *bio) struct r10bio *r10_bio; struct bio *read_bio; int i; + const int op = bio_op(bio); const int rw = bio_data_dir(bio); const unsigned long do_sync = (bio->bi_rw & REQ_SYNC); const unsigned long do_fua = (bio->bi_rw & REQ_FUA); - const unsigned long do_discard = (bio->bi_rw - & (REQ_DISCARD | REQ_SECURE)); - const unsigned long do_same = (bio->bi_rw & REQ_WRITE_SAME); + const unsigned long do_sec = (bio->bi_rw & REQ_SECURE); unsigned long flags; struct md_rdev *blocked_rdev; struct blk_plug_cb *cb; @@ -1156,7 +1155,7 @@ read_again: choose_data_offset(r10_bio, rdev); read_bio->bi_bdev = rdev->bdev; read_bio->bi_end_io = raid10_end_read_request; - read_bio->bi_rw = READ | do_sync; + bio_set_op_attrs(read_bio, op, do_sync); read_bio->bi_private = r10_bio; if (max_sectors < r10_bio->sectors) { @@ -1363,8 +1362,7 @@ retry_write: rdev)); mbio->bi_bdev = rdev->bdev; mbio->bi_end_io = raid10_end_write_request; - mbio->bi_rw = - WRITE | do_sync | do_fua | do_discard | do_same; + bio_set_op_attrs(mbio, op, do_sync | do_fua | do_sec); mbio->bi_private = r10_bio; atomic_inc(&r10_bio->remaining); @@ -1406,8 +1404,7 @@ retry_write: r10_bio, rdev)); mbio->bi_bdev = rdev->bdev; mbio->bi_end_io = raid10_end_write_request; - mbio->bi_rw = - WRITE | do_sync | do_fua | do_discard | do_same; + bio_set_op_attrs(mbio, op, do_sync | do_fua | do_sec); mbio->bi_private = r10_bio; atomic_inc(&r10_bio->remaining); @@ -1992,10 +1989,10 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) tbio->bi_vcnt = vcnt; tbio->bi_iter.bi_size = fbio->bi_iter.bi_size; - tbio->bi_rw = WRITE; tbio->bi_private = r10_bio; tbio->bi_iter.bi_sector = r10_bio->devs[i].addr; tbio->bi_end_io = end_sync_write; + bio_set_op_attrs(tbio, REQ_OP_WRITE, 0); bio_copy_data(tbio, fbio); @@ -2078,7 +2075,7 @@ static void fix_recovery_read_error(struct r10bio *r10_bio) addr, s << 9, bio->bi_io_vec[idx].bv_page, - READ, false); + REQ_OP_READ, 0, false); if (ok) { rdev = conf->mirrors[dw].rdev; addr = r10_bio->devs[1].addr + sect; @@ -2086,7 +2083,7 @@ static void fix_recovery_read_error(struct r10bio *r10_bio) addr, s << 9, bio->bi_io_vec[idx].bv_page, - WRITE, false); + REQ_OP_WRITE, 0, false); if (!ok) { set_bit(WriteErrorSeen, &rdev->flags); if (!test_and_set_bit(WantReplacement, @@ -2213,7 +2210,7 @@ static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector, if (is_badblock(rdev, sector, sectors, &first_bad, &bad_sectors) && (rw == READ || test_bit(WriteErrorSeen, &rdev->flags))) return -1; - if (sync_page_io(rdev, sector, sectors << 9, page, rw, false)) + if (sync_page_io(rdev, sector, sectors << 9, page, rw, 0, false)) /* success */ return 1; if (rw == WRITE) { @@ -2299,7 +2296,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 r10_bio->devs[sl].addr + sect, s<<9, - conf->tmppage, READ, false); + conf->tmppage, + REQ_OP_READ, 0, false); rdev_dec_pending(rdev, mddev); rcu_read_lock(); if (success) @@ -2474,7 +2472,7 @@ static int narrow_write_error(struct r10bio *r10_bio, int i) choose_data_offset(r10_bio, rdev) + (sector - r10_bio->sector)); wbio->bi_bdev = rdev->bdev; - wbio->bi_rw = WRITE; + bio_set_op_attrs(wbio, REQ_OP_WRITE, 0); if (submit_bio_wait(wbio) < 0) /* Failure! */ @@ -2550,7 +2548,7 @@ read_more: bio->bi_iter.bi_sector = r10_bio->devs[slot].addr + choose_data_offset(r10_bio, rdev); bio->bi_bdev = rdev->bdev; - bio->bi_rw = READ | do_sync; + bio_set_op_attrs(bio, REQ_OP_READ, do_sync); bio->bi_private = r10_bio; bio->bi_end_io = raid10_end_read_request; if (max_sectors < r10_bio->sectors) { @@ -3040,7 +3038,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, biolist = bio; bio->bi_private = r10_bio; bio->bi_end_io = end_sync_read; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); from_addr = r10_bio->devs[j].addr; bio->bi_iter.bi_sector = from_addr + rdev->data_offset; @@ -3066,7 +3064,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, biolist = bio; bio->bi_private = r10_bio; bio->bi_end_io = end_sync_write; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_iter.bi_sector = to_addr + rdev->data_offset; bio->bi_bdev = rdev->bdev; @@ -3095,7 +3093,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, biolist = bio; bio->bi_private = r10_bio; bio->bi_end_io = end_sync_write; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_iter.bi_sector = to_addr + rdev->data_offset; bio->bi_bdev = rdev->bdev; @@ -3215,7 +3213,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, biolist = bio; bio->bi_private = r10_bio; bio->bi_end_io = end_sync_read; - bio->bi_rw = READ; + bio_set_op_attrs(bio, REQ_OP_READ, 0); bio->bi_iter.bi_sector = sector + conf->mirrors[d].rdev->data_offset; bio->bi_bdev = conf->mirrors[d].rdev->bdev; @@ -3237,7 +3235,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, biolist = bio; bio->bi_private = r10_bio; bio->bi_end_io = end_sync_write; - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_iter.bi_sector = sector + conf->mirrors[d].replacement->data_offset; bio->bi_bdev = conf->mirrors[d].replacement->bdev; @@ -4322,7 +4320,7 @@ read_more: + rdev->data_offset); read_bio->bi_private = r10_bio; read_bio->bi_end_io = end_sync_read; - read_bio->bi_rw = READ; + bio_set_op_attrs(read_bio, REQ_OP_READ, 0); read_bio->bi_flags &= (~0UL << BIO_RESET_BITS); read_bio->bi_error = 0; read_bio->bi_vcnt = 0; @@ -4356,7 +4354,7 @@ read_more: rdev2->new_data_offset; b->bi_private = r10_bio; b->bi_end_io = end_reshape_write; - b->bi_rw = WRITE; + bio_set_op_attrs(b, REQ_OP_WRITE, 0); b->bi_next = blist; blist = b; } @@ -4524,7 +4522,7 @@ static int handle_reshape_read_error(struct mddev *mddev, addr, s << 9, bvec[idx].bv_page, - READ, false); + REQ_OP_READ, 0, false); if (success) break; failed: diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 0b01453..9265138 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -261,7 +261,7 @@ static struct bio *r5l_bio_alloc(struct r5l_log *log) { struct bio *bio = bio_alloc_bioset(GFP_NOIO, BIO_MAX_PAGES, log->bs); - bio->bi_rw = WRITE; + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_bdev = log->rdev->bdev; bio->bi_iter.bi_sector = log->rdev->data_offset + log->log_start; @@ -686,7 +686,7 @@ void r5l_flush_stripe_to_raid(struct r5l_log *log) bio_reset(&log->flush_bio); log->flush_bio.bi_bdev = log->rdev->bdev; log->flush_bio.bi_end_io = r5l_log_flush_endio; - log->flush_bio.bi_rw = WRITE_FLUSH; + bio_set_op_attrs(&log->flush_bio, REQ_OP_WRITE, WRITE_FLUSH); submit_bio(&log->flush_bio); } @@ -882,7 +882,8 @@ static int r5l_read_meta_block(struct r5l_log *log, struct r5l_meta_block *mb; u32 crc, stored_crc; - if (!sync_page_io(log->rdev, ctx->pos, PAGE_SIZE, page, READ, false)) + if (!sync_page_io(log->rdev, ctx->pos, PAGE_SIZE, page, REQ_OP_READ, 0, + false)) return -EIO; mb = page_address(page); @@ -927,7 +928,8 @@ static int r5l_recovery_flush_one_stripe(struct r5l_log *log, &disk_index, sh); sync_page_io(log->rdev, *log_offset, PAGE_SIZE, - sh->dev[disk_index].page, READ, false); + sh->dev[disk_index].page, REQ_OP_READ, 0, + false); sh->dev[disk_index].log_checksum = le32_to_cpu(payload->checksum[0]); set_bit(R5_Wantwrite, &sh->dev[disk_index].flags); @@ -935,7 +937,8 @@ static int r5l_recovery_flush_one_stripe(struct r5l_log *log, } else { disk_index = sh->pd_idx; sync_page_io(log->rdev, *log_offset, PAGE_SIZE, - sh->dev[disk_index].page, READ, false); + sh->dev[disk_index].page, REQ_OP_READ, 0, + false); sh->dev[disk_index].log_checksum = le32_to_cpu(payload->checksum[0]); set_bit(R5_Wantwrite, &sh->dev[disk_index].flags); @@ -945,7 +948,7 @@ static int r5l_recovery_flush_one_stripe(struct r5l_log *log, sync_page_io(log->rdev, r5l_ring_add(log, *log_offset, BLOCK_SECTORS), PAGE_SIZE, sh->dev[disk_index].page, - READ, false); + REQ_OP_READ, 0, false); sh->dev[disk_index].log_checksum = le32_to_cpu(payload->checksum[1]); set_bit(R5_Wantwrite, @@ -987,11 +990,13 @@ static int r5l_recovery_flush_one_stripe(struct r5l_log *log, rdev = rcu_dereference(conf->disks[disk_index].rdev); if (rdev) sync_page_io(rdev, stripe_sect, PAGE_SIZE, - sh->dev[disk_index].page, WRITE, false); + sh->dev[disk_index].page, REQ_OP_WRITE, 0, + false); rrdev = rcu_dereference(conf->disks[disk_index].replacement); if (rrdev) sync_page_io(rrdev, stripe_sect, PAGE_SIZE, - sh->dev[disk_index].page, WRITE, false); + sh->dev[disk_index].page, REQ_OP_WRITE, 0, + false); } raid5_release_stripe(sh); return 0; @@ -1063,7 +1068,8 @@ static int r5l_log_write_empty_meta_block(struct r5l_log *log, sector_t pos, crc = crc32c_le(log->uuid_checksum, mb, PAGE_SIZE); mb->checksum = cpu_to_le32(crc); - if (!sync_page_io(log->rdev, pos, PAGE_SIZE, page, WRITE_FUA, false)) { + if (!sync_page_io(log->rdev, pos, PAGE_SIZE, page, REQ_OP_WRITE, + WRITE_FUA, false)) { __free_page(page); return -EIO; } @@ -1138,7 +1144,7 @@ static int r5l_load_log(struct r5l_log *log) if (!page) return -ENOMEM; - if (!sync_page_io(rdev, cp, PAGE_SIZE, page, READ, false)) { + if (!sync_page_io(rdev, cp, PAGE_SIZE, page, REQ_OP_READ, 0, false)) { ret = -EIO; goto ioerr; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 8959e6d..e35c163 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -806,7 +806,8 @@ static void stripe_add_to_batch_list(struct r5conf *conf, struct stripe_head *sh dd_idx = 0; while (dd_idx == sh->pd_idx || dd_idx == sh->qd_idx) dd_idx++; - if (head->dev[dd_idx].towrite->bi_rw != sh->dev[dd_idx].towrite->bi_rw) + if (head->dev[dd_idx].towrite->bi_rw != sh->dev[dd_idx].towrite->bi_rw || + bio_op(head->dev[dd_idx].towrite) != bio_op(sh->dev[dd_idx].towrite)) goto unlock_out; if (head->batch_head) { @@ -891,29 +892,28 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s) if (r5l_write_stripe(conf->log, sh) == 0) return; for (i = disks; i--; ) { - int rw; + int op, op_flags = 0; int replace_only = 0; struct bio *bi, *rbi; struct md_rdev *rdev, *rrdev = NULL; sh = head_sh; if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags)) { + op = REQ_OP_WRITE; if (test_and_clear_bit(R5_WantFUA, &sh->dev[i].flags)) - rw = WRITE_FUA; - else - rw = WRITE; + op_flags = WRITE_FUA; if (test_bit(R5_Discard, &sh->dev[i].flags)) - rw |= REQ_DISCARD; + op = REQ_OP_DISCARD; } else if (test_and_clear_bit(R5_Wantread, &sh->dev[i].flags)) - rw = READ; + op = REQ_OP_READ; else if (test_and_clear_bit(R5_WantReplace, &sh->dev[i].flags)) { - rw = WRITE; + op = REQ_OP_WRITE; replace_only = 1; } else continue; if (test_and_clear_bit(R5_SyncIO, &sh->dev[i].flags)) - rw |= REQ_SYNC; + op_flags |= REQ_SYNC; again: bi = &sh->dev[i].req; @@ -927,7 +927,7 @@ again: rdev = rrdev; rrdev = NULL; } - if (rw & WRITE) { + if (op_is_write(op)) { if (replace_only) rdev = NULL; if (rdev == rrdev) @@ -953,7 +953,7 @@ again: * need to check for writes. We never accept write errors * on the replacement, so we don't to check rrdev. */ - while ((rw & WRITE) && rdev && + while (op_is_write(op) && rdev && test_bit(WriteErrorSeen, &rdev->flags)) { sector_t first_bad; int bad_sectors; @@ -995,8 +995,8 @@ again: bio_reset(bi); bi->bi_bdev = rdev->bdev; - bi->bi_rw = rw; - bi->bi_end_io = (rw & WRITE) + bio_set_op_attrs(bi, op, op_flags); + bi->bi_end_io = op_is_write(op) ? raid5_end_write_request : raid5_end_read_request; bi->bi_private = sh; @@ -1027,7 +1027,7 @@ again: * If this is discard request, set bi_vcnt 0. We don't * want to confuse SCSI because SCSI will replace payload */ - if (rw & REQ_DISCARD) + if (op == REQ_OP_DISCARD) bi->bi_vcnt = 0; if (rrdev) set_bit(R5_DOUBLE_LOCKED, &sh->dev[i].flags); @@ -1047,8 +1047,8 @@ again: bio_reset(rbi); rbi->bi_bdev = rrdev->bdev; - rbi->bi_rw = rw; - BUG_ON(!(rw & WRITE)); + bio_set_op_attrs(rbi, op, op_flags); + BUG_ON(!op_is_write(op)); rbi->bi_end_io = raid5_end_write_request; rbi->bi_private = sh; @@ -1076,7 +1076,7 @@ again: * If this is discard request, set bi_vcnt 0. We don't * want to confuse SCSI because SCSI will replace payload */ - if (rw & REQ_DISCARD) + if (op == REQ_OP_DISCARD) rbi->bi_vcnt = 0; if (conf->mddev->gendisk) trace_block_bio_remap(bdev_get_queue(rbi->bi_bdev), @@ -1085,7 +1085,7 @@ again: generic_make_request(rbi); } if (!rdev && !rrdev) { - if (rw & WRITE) + if (op_is_write(op)) set_bit(STRIPE_DEGRADED, &sh->state); pr_debug("skip op %ld on disc %d for sector %llu\n", bi->bi_rw, i, (unsigned long long)sh->sector); @@ -1623,7 +1623,7 @@ again: set_bit(R5_WantFUA, &dev->flags); if (wbi->bi_rw & REQ_SYNC) set_bit(R5_SyncIO, &dev->flags); - if (wbi->bi_rw & REQ_DISCARD) + if (bio_op(wbi) == REQ_OP_DISCARD) set_bit(R5_Discard, &dev->flags); else { tx = async_copy_data(1, wbi, &dev->page, @@ -5176,7 +5176,7 @@ static void raid5_make_request(struct mddev *mddev, struct bio * bi) return; } - if (unlikely(bi->bi_rw & REQ_DISCARD)) { + if (unlikely(bio_op(bi) == REQ_OP_DISCARD)) { make_discard_request(mddev, bi); return; } -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 201FA7CA6 for ; Sun, 5 Jun 2016 14:33:43 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id D99868F8037 for ; Sun, 5 Jun 2016 12:33:42 -0700 (PDT) X-ASG-Debug-ID: 1465155221-04cb6c2dbab58e30001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Yg2TAcUTYoudRppR (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:42 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4925EA793; Sun, 5 Jun 2016 19:33:41 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9b003130; Sun, 5 Jun 2016 15:33:39 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 30/45] block: copy bio op to request op Date: Sun, 5 Jun 2016 14:32:10 -0500 X-ASG-Orig-Subj: [PATCH 30/45] block: copy bio op to request op Message-Id: <1465155145-10812-31-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sun, 05 Jun 2016 19:33:41 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155221 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1275 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie The bio users should now always be setting up the bio op. This patch has the block layer copy that to the request. Signed-off-by: Mike Christie --- block/blk-core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 7e943dc..3c45254 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2976,8 +2976,7 @@ EXPORT_SYMBOL_GPL(__blk_end_request_err); void blk_rq_bio_prep(struct request_queue *q, struct request *rq, struct bio *bio) { - /* Bit 0 (R/W) is identical in rq->cmd_flags and bio->bi_rw */ - rq->cmd_flags |= bio->bi_rw & REQ_WRITE; + req_set_op(rq, bio_op(bio)); if (bio_has_data(bio)) rq->nr_phys_segments = bio_phys_segments(q, bio); @@ -3062,7 +3061,8 @@ EXPORT_SYMBOL_GPL(blk_rq_unprep_clone); static void __blk_rq_prep_clone(struct request *dst, struct request *src) { dst->cpu = src->cpu; - dst->cmd_flags |= (src->cmd_flags & REQ_CLONE_MASK) | REQ_NOMERGE; + req_set_op_attrs(dst, req_op(src), + (src->cmd_flags & REQ_CLONE_MASK) | REQ_NOMERGE); dst->cmd_type = src->cmd_type; dst->__sector = blk_rq_pos(src); dst->__data_len = blk_rq_bytes(src); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4B3DA7D2F for ; Sun, 5 Jun 2016 14:33:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id C4F96AC003 for ; Sun, 5 Jun 2016 12:33:45 -0700 (PDT) X-ASG-Debug-ID: 1465155223-04cb6c2dbbb58e40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id D342CXBqD5J0BjyM (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:44 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8C5B7C01605A; Sun, 5 Jun 2016 19:33:43 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9c003130; Sun, 5 Jun 2016 15:33:41 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 31/45] block: prepare request creation/destruction code to use REQ_OPs Date: Sun, 5 Jun 2016 14:32:11 -0500 X-ASG-Orig-Subj: [PATCH 31/45] block: prepare request creation/destruction code to use REQ_OPs Message-Id: <1465155145-10812-32-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Sun, 05 Jun 2016 19:33:43 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155224 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7709 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch prepares *_get_request/*_put_request and freed_request, to use separate variables for the operation and flags. In the next patches the struct request users will be converted like was done for bios where the op and flags are set separately. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- block/blk-core.c | 54 +++++++++++++++++++++++++++++------------------------- 1 file changed, 29 insertions(+), 25 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 3c45254..a68dc07 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -959,10 +959,10 @@ static void __freed_request(struct request_list *rl, int sync) * A request has just been released. Account for it, update the full and * congestion status, wake up any waiters. Called under q->queue_lock. */ -static void freed_request(struct request_list *rl, unsigned int flags) +static void freed_request(struct request_list *rl, int op, unsigned int flags) { struct request_queue *q = rl->q; - int sync = rw_is_sync(flags); + int sync = rw_is_sync(op | flags); q->nr_rqs[sync]--; rl->count[sync]--; @@ -1054,7 +1054,8 @@ static struct io_context *rq_ioc(struct bio *bio) /** * __get_request - get a free request * @rl: request list to allocate from - * @rw_flags: RW and SYNC flags + * @op: REQ_OP_READ/REQ_OP_WRITE + * @op_flags: rq_flag_bits * @bio: bio to allocate request for (can be %NULL) * @gfp_mask: allocation mask * @@ -1065,21 +1066,22 @@ static struct io_context *rq_ioc(struct bio *bio) * Returns ERR_PTR on failure, with @q->queue_lock held. * Returns request pointer on success, with @q->queue_lock *not held*. */ -static struct request *__get_request(struct request_list *rl, int rw_flags, - struct bio *bio, gfp_t gfp_mask) +static struct request *__get_request(struct request_list *rl, int op, + int op_flags, struct bio *bio, + gfp_t gfp_mask) { struct request_queue *q = rl->q; struct request *rq; struct elevator_type *et = q->elevator->type; struct io_context *ioc = rq_ioc(bio); struct io_cq *icq = NULL; - const bool is_sync = rw_is_sync(rw_flags) != 0; + const bool is_sync = rw_is_sync(op | op_flags) != 0; int may_queue; if (unlikely(blk_queue_dying(q))) return ERR_PTR(-ENODEV); - may_queue = elv_may_queue(q, rw_flags); + may_queue = elv_may_queue(q, op | op_flags); if (may_queue == ELV_MQUEUE_NO) goto rq_starved; @@ -1123,7 +1125,7 @@ static struct request *__get_request(struct request_list *rl, int rw_flags, /* * Decide whether the new request will be managed by elevator. If - * so, mark @rw_flags and increment elvpriv. Non-zero elvpriv will + * so, mark @op_flags and increment elvpriv. Non-zero elvpriv will * prevent the current elevator from being destroyed until the new * request is freed. This guarantees icq's won't be destroyed and * makes creating new ones safe. @@ -1132,14 +1134,14 @@ static struct request *__get_request(struct request_list *rl, int rw_flags, * it will be created after releasing queue_lock. */ if (blk_rq_should_init_elevator(bio) && !blk_queue_bypass(q)) { - rw_flags |= REQ_ELVPRIV; + op_flags |= REQ_ELVPRIV; q->nr_rqs_elvpriv++; if (et->icq_cache && ioc) icq = ioc_lookup_icq(ioc, q); } if (blk_queue_io_stat(q)) - rw_flags |= REQ_IO_STAT; + op_flags |= REQ_IO_STAT; spin_unlock_irq(q->queue_lock); /* allocate and init request */ @@ -1149,10 +1151,10 @@ static struct request *__get_request(struct request_list *rl, int rw_flags, blk_rq_init(q, rq); blk_rq_set_rl(rq, rl); - rq->cmd_flags = rw_flags | REQ_ALLOCED; + req_set_op_attrs(rq, op, op_flags | REQ_ALLOCED); /* init elvpriv */ - if (rw_flags & REQ_ELVPRIV) { + if (op_flags & REQ_ELVPRIV) { if (unlikely(et->icq_cache && !icq)) { if (ioc) icq = ioc_create_icq(ioc, q, gfp_mask); @@ -1178,7 +1180,7 @@ out: if (ioc_batching(q, ioc)) ioc->nr_batch_requests--; - trace_block_getrq(q, bio, rw_flags & 1); + trace_block_getrq(q, bio, op); return rq; fail_elvpriv: @@ -1208,7 +1210,7 @@ fail_alloc: * queue, but this is pretty rare. */ spin_lock_irq(q->queue_lock); - freed_request(rl, rw_flags); + freed_request(rl, op, op_flags); /* * in the very unlikely event that allocation failed and no @@ -1226,7 +1228,8 @@ rq_starved: /** * get_request - get a free request * @q: request_queue to allocate request from - * @rw_flags: RW and SYNC flags + * @op: REQ_OP_READ/REQ_OP_WRITE + * @op_flags: rq_flag_bits * @bio: bio to allocate request for (can be %NULL) * @gfp_mask: allocation mask * @@ -1237,17 +1240,18 @@ rq_starved: * Returns ERR_PTR on failure, with @q->queue_lock held. * Returns request pointer on success, with @q->queue_lock *not held*. */ -static struct request *get_request(struct request_queue *q, int rw_flags, - struct bio *bio, gfp_t gfp_mask) +static struct request *get_request(struct request_queue *q, int op, + int op_flags, struct bio *bio, + gfp_t gfp_mask) { - const bool is_sync = rw_is_sync(rw_flags) != 0; + const bool is_sync = rw_is_sync(op | op_flags) != 0; DEFINE_WAIT(wait); struct request_list *rl; struct request *rq; rl = blk_get_rl(q, bio); /* transferred to @rq on success */ retry: - rq = __get_request(rl, rw_flags, bio, gfp_mask); + rq = __get_request(rl, op, op_flags, bio, gfp_mask); if (!IS_ERR(rq)) return rq; @@ -1260,7 +1264,7 @@ retry: prepare_to_wait_exclusive(&rl->wait[is_sync], &wait, TASK_UNINTERRUPTIBLE); - trace_block_sleeprq(q, bio, rw_flags & 1); + trace_block_sleeprq(q, bio, op); spin_unlock_irq(q->queue_lock); io_schedule(); @@ -1289,7 +1293,7 @@ static struct request *blk_old_get_request(struct request_queue *q, int rw, create_io_context(gfp_mask, q->node); spin_lock_irq(q->queue_lock); - rq = get_request(q, rw, NULL, gfp_mask); + rq = get_request(q, rw, 0, NULL, gfp_mask); if (IS_ERR(rq)) spin_unlock_irq(q->queue_lock); /* q->queue_lock is unlocked at this point */ @@ -1491,13 +1495,14 @@ void __blk_put_request(struct request_queue *q, struct request *req) */ if (req->cmd_flags & REQ_ALLOCED) { unsigned int flags = req->cmd_flags; + int op = req_op(req); struct request_list *rl = blk_rq_rl(req); BUG_ON(!list_empty(&req->queuelist)); BUG_ON(ELV_ON_HASH(req)); blk_free_request(rl, req); - freed_request(rl, flags); + freed_request(rl, op, flags); blk_put_rl(rl); } } @@ -1712,7 +1717,7 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio) { const bool sync = !!(bio->bi_rw & REQ_SYNC); struct blk_plug *plug; - int el_ret, rw_flags, where = ELEVATOR_INSERT_SORT; + int el_ret, rw_flags = 0, where = ELEVATOR_INSERT_SORT; struct request *req; unsigned int request_count = 0; @@ -1772,7 +1777,6 @@ get_rq: * but we need to set it earlier to expose the sync flag to the * rq allocator and io schedulers. */ - rw_flags = bio_data_dir(bio); if (sync) rw_flags |= REQ_SYNC; @@ -1780,7 +1784,7 @@ get_rq: * Grab a free request. This is might sleep but can not fail. * Returns with the queue unlocked. */ - req = get_request(q, rw_flags, bio, GFP_NOIO); + req = get_request(q, bio_data_dir(bio), rw_flags, bio, GFP_NOIO); if (IS_ERR(req)) { bio->bi_error = PTR_ERR(req); bio_endio(bio); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7A7347CAE for ; Sun, 5 Jun 2016 14:33:47 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3A729304043 for ; Sun, 5 Jun 2016 12:33:47 -0700 (PDT) X-ASG-Debug-ID: 1465155226-04bdf05ad7b784c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id fghsyZzgOlrUUgQZ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:46 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CD3E88B135; Sun, 5 Jun 2016 19:33:45 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9d003130; Sun, 5 Jun 2016 15:33:43 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 32/45] block: prepare mq request creation to use REQ_OPs Date: Sun, 5 Jun 2016 14:32:12 -0500 X-ASG-Orig-Subj: [PATCH 32/45] block: prepare mq request creation to use REQ_OPs Message-Id: <1465155145-10812-33-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Sun, 05 Jun 2016 19:33:45 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155226 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4161 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch modifies the blk mq request creation code to use separate variables for the operation and flags, because in the the next patches the struct request users will be converted like was done for bios. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- block/blk-mq.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index 29cbc1b..3393f29 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -159,16 +159,17 @@ bool blk_mq_can_queue(struct blk_mq_hw_ctx *hctx) EXPORT_SYMBOL(blk_mq_can_queue); static void blk_mq_rq_ctx_init(struct request_queue *q, struct blk_mq_ctx *ctx, - struct request *rq, unsigned int rw_flags) + struct request *rq, int op, + unsigned int op_flags) { if (blk_queue_io_stat(q)) - rw_flags |= REQ_IO_STAT; + op_flags |= REQ_IO_STAT; INIT_LIST_HEAD(&rq->queuelist); /* csd/requeue_work/fifo_time is initialized before use */ rq->q = q; rq->mq_ctx = ctx; - rq->cmd_flags |= rw_flags; + req_set_op_attrs(rq, op, op_flags); /* do not touch atomic flags, it needs atomic ops against the timer */ rq->cpu = -1; INIT_HLIST_NODE(&rq->hash); @@ -203,11 +204,11 @@ static void blk_mq_rq_ctx_init(struct request_queue *q, struct blk_mq_ctx *ctx, rq->end_io_data = NULL; rq->next_rq = NULL; - ctx->rq_dispatched[rw_is_sync(rw_flags)]++; + ctx->rq_dispatched[rw_is_sync(op | op_flags)]++; } static struct request * -__blk_mq_alloc_request(struct blk_mq_alloc_data *data, int rw) +__blk_mq_alloc_request(struct blk_mq_alloc_data *data, int op, int op_flags) { struct request *rq; unsigned int tag; @@ -222,7 +223,7 @@ __blk_mq_alloc_request(struct blk_mq_alloc_data *data, int rw) } rq->tag = tag; - blk_mq_rq_ctx_init(data->q, data->ctx, rq, rw); + blk_mq_rq_ctx_init(data->q, data->ctx, rq, op, op_flags); return rq; } @@ -246,7 +247,7 @@ struct request *blk_mq_alloc_request(struct request_queue *q, int rw, hctx = q->mq_ops->map_queue(q, ctx->cpu); blk_mq_set_alloc_data(&alloc_data, q, flags, ctx, hctx); - rq = __blk_mq_alloc_request(&alloc_data, rw); + rq = __blk_mq_alloc_request(&alloc_data, rw, 0); if (!rq && !(flags & BLK_MQ_REQ_NOWAIT)) { __blk_mq_run_hw_queue(hctx); blk_mq_put_ctx(ctx); @@ -254,7 +255,7 @@ struct request *blk_mq_alloc_request(struct request_queue *q, int rw, ctx = blk_mq_get_ctx(q); hctx = q->mq_ops->map_queue(q, ctx->cpu); blk_mq_set_alloc_data(&alloc_data, q, flags, ctx, hctx); - rq = __blk_mq_alloc_request(&alloc_data, rw); + rq = __blk_mq_alloc_request(&alloc_data, rw, 0); ctx = alloc_data.ctx; } blk_mq_put_ctx(ctx); @@ -1169,7 +1170,8 @@ static struct request *blk_mq_map_request(struct request_queue *q, struct blk_mq_hw_ctx *hctx; struct blk_mq_ctx *ctx; struct request *rq; - int rw = bio_data_dir(bio); + int op = bio_data_dir(bio); + int op_flags = 0; struct blk_mq_alloc_data alloc_data; blk_queue_enter_live(q); @@ -1177,20 +1179,20 @@ static struct request *blk_mq_map_request(struct request_queue *q, hctx = q->mq_ops->map_queue(q, ctx->cpu); if (rw_is_sync(bio->bi_rw)) - rw |= REQ_SYNC; + op_flags |= REQ_SYNC; - trace_block_getrq(q, bio, rw); + trace_block_getrq(q, bio, op); blk_mq_set_alloc_data(&alloc_data, q, BLK_MQ_REQ_NOWAIT, ctx, hctx); - rq = __blk_mq_alloc_request(&alloc_data, rw); + rq = __blk_mq_alloc_request(&alloc_data, op, op_flags); if (unlikely(!rq)) { __blk_mq_run_hw_queue(hctx); blk_mq_put_ctx(ctx); - trace_block_sleeprq(q, bio, rw); + trace_block_sleeprq(q, bio, op); ctx = blk_mq_get_ctx(q); hctx = q->mq_ops->map_queue(q, ctx->cpu); blk_mq_set_alloc_data(&alloc_data, q, 0, ctx, hctx); - rq = __blk_mq_alloc_request(&alloc_data, rw); + rq = __blk_mq_alloc_request(&alloc_data, op, op_flags); ctx = alloc_data.ctx; hctx = alloc_data.hctx; } -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0106E7D2A for ; Sun, 5 Jun 2016 14:33:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7C1FCAC003 for ; Sun, 5 Jun 2016 12:33:49 -0700 (PDT) X-ASG-Debug-ID: 1465155228-04bdf05ad4b784c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id BFgonCVDHSOnQz4t (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:48 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1D056A70D; Sun, 5 Jun 2016 19:33:48 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9e003130; Sun, 5 Jun 2016 15:33:45 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 33/45] block: prepare elevator to use REQ_OPs. Date: Sun, 5 Jun 2016 14:32:13 -0500 X-ASG-Orig-Subj: [PATCH 33/45] block: prepare elevator to use REQ_OPs. Message-Id: <1465155145-10812-34-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sun, 05 Jun 2016 19:33:48 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155228 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4179 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch converts the elevator code to use separate variables for the operation and flags, and to check req_op for the REQ_OP. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- block/blk-core.c | 2 +- block/cfq-iosched.c | 4 ++-- block/elevator.c | 7 +++---- include/linux/elevator.h | 4 ++-- 4 files changed, 8 insertions(+), 9 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index a68dc07..090e55d 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1081,7 +1081,7 @@ static struct request *__get_request(struct request_list *rl, int op, if (unlikely(blk_queue_dying(q))) return ERR_PTR(-ENODEV); - may_queue = elv_may_queue(q, op | op_flags); + may_queue = elv_may_queue(q, op, op_flags); if (may_queue == ELV_MQUEUE_NO) goto rq_starved; diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 4a34978..3fcc598 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -4285,7 +4285,7 @@ static inline int __cfq_may_queue(struct cfq_queue *cfqq) return ELV_MQUEUE_MAY; } -static int cfq_may_queue(struct request_queue *q, int rw) +static int cfq_may_queue(struct request_queue *q, int op, int op_flags) { struct cfq_data *cfqd = q->elevator->elevator_data; struct task_struct *tsk = current; @@ -4302,7 +4302,7 @@ static int cfq_may_queue(struct request_queue *q, int rw) if (!cic) return ELV_MQUEUE_MAY; - cfqq = cic_to_cfqq(cic, rw_is_sync(rw)); + cfqq = cic_to_cfqq(cic, rw_is_sync(op | op_flags)); if (cfqq) { cfq_init_prio_data(cfqq, cic); diff --git a/block/elevator.c b/block/elevator.c index c3555c9..ea9319d 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -366,8 +366,7 @@ void elv_dispatch_sort(struct request_queue *q, struct request *rq) list_for_each_prev(entry, &q->queue_head) { struct request *pos = list_entry_rq(entry); - if ((rq->cmd_flags & REQ_DISCARD) != - (pos->cmd_flags & REQ_DISCARD)) + if ((req_op(rq) == REQ_OP_DISCARD) != (req_op(pos) == REQ_OP_DISCARD)) break; if (rq_data_dir(rq) != rq_data_dir(pos)) break; @@ -717,12 +716,12 @@ void elv_put_request(struct request_queue *q, struct request *rq) e->type->ops.elevator_put_req_fn(rq); } -int elv_may_queue(struct request_queue *q, int rw) +int elv_may_queue(struct request_queue *q, int op, int op_flags) { struct elevator_queue *e = q->elevator; if (e->type->ops.elevator_may_queue_fn) - return e->type->ops.elevator_may_queue_fn(q, rw); + return e->type->ops.elevator_may_queue_fn(q, op, op_flags); return ELV_MQUEUE_MAY; } diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 638b324..953d286 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -26,7 +26,7 @@ typedef int (elevator_dispatch_fn) (struct request_queue *, int); typedef void (elevator_add_req_fn) (struct request_queue *, struct request *); typedef struct request *(elevator_request_list_fn) (struct request_queue *, struct request *); typedef void (elevator_completed_req_fn) (struct request_queue *, struct request *); -typedef int (elevator_may_queue_fn) (struct request_queue *, int); +typedef int (elevator_may_queue_fn) (struct request_queue *, int, int); typedef void (elevator_init_icq_fn) (struct io_cq *); typedef void (elevator_exit_icq_fn) (struct io_cq *); @@ -134,7 +134,7 @@ extern struct request *elv_former_request(struct request_queue *, struct request extern struct request *elv_latter_request(struct request_queue *, struct request *); extern int elv_register_queue(struct request_queue *q); extern void elv_unregister_queue(struct request_queue *q); -extern int elv_may_queue(struct request_queue *, int); +extern int elv_may_queue(struct request_queue *, int, int); extern void elv_completed_request(struct request_queue *, struct request *); extern int elv_set_request(struct request_queue *q, struct request *rq, struct bio *bio, gfp_t gfp_mask); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1FDC47D4E for ; Sun, 5 Jun 2016 14:33:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D653A8F8037 for ; Sun, 5 Jun 2016 12:33:51 -0700 (PDT) X-ASG-Debug-ID: 1465155230-04bdf05ad6b784d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 1YXFrxi2GoaD5ZPS (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:50 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 569908E39A; Sun, 5 Jun 2016 19:33:50 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9f003130; Sun, 5 Jun 2016 15:33:48 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 34/45] blkg_rwstat: separate op from flags Date: Sun, 5 Jun 2016 14:32:14 -0500 X-ASG-Orig-Subj: [PATCH 34/45] blkg_rwstat: separate op from flags Message-Id: <1465155145-10812-35-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 05 Jun 2016 19:33:50 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155230 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7723 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie The bio and request operation and flags are going to be separate definitions, so we cannot pass them in as a bitmap. This patch converts the blkg_rwstat code and its caller, cfq, to pass in the values separately. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- block/cfq-iosched.c | 49 +++++++++++++++++++++++++++------------------- include/linux/blk-cgroup.h | 13 ++++++------ 2 files changed, 36 insertions(+), 26 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 3fcc598..3dafdba 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -667,9 +667,10 @@ static inline void cfqg_put(struct cfq_group *cfqg) } while (0) static inline void cfqg_stats_update_io_add(struct cfq_group *cfqg, - struct cfq_group *curr_cfqg, int rw) + struct cfq_group *curr_cfqg, int op, + int op_flags) { - blkg_rwstat_add(&cfqg->stats.queued, rw, 1); + blkg_rwstat_add(&cfqg->stats.queued, op, op_flags, 1); cfqg_stats_end_empty_time(&cfqg->stats); cfqg_stats_set_start_group_wait_time(cfqg, curr_cfqg); } @@ -683,26 +684,30 @@ static inline void cfqg_stats_update_timeslice_used(struct cfq_group *cfqg, #endif } -static inline void cfqg_stats_update_io_remove(struct cfq_group *cfqg, int rw) +static inline void cfqg_stats_update_io_remove(struct cfq_group *cfqg, int op, + int op_flags) { - blkg_rwstat_add(&cfqg->stats.queued, rw, -1); + blkg_rwstat_add(&cfqg->stats.queued, op, op_flags, -1); } -static inline void cfqg_stats_update_io_merged(struct cfq_group *cfqg, int rw) +static inline void cfqg_stats_update_io_merged(struct cfq_group *cfqg, int op, + int op_flags) { - blkg_rwstat_add(&cfqg->stats.merged, rw, 1); + blkg_rwstat_add(&cfqg->stats.merged, op, op_flags, 1); } static inline void cfqg_stats_update_completion(struct cfq_group *cfqg, - uint64_t start_time, uint64_t io_start_time, int rw) + uint64_t start_time, uint64_t io_start_time, int op, + int op_flags) { struct cfqg_stats *stats = &cfqg->stats; unsigned long long now = sched_clock(); if (time_after64(now, io_start_time)) - blkg_rwstat_add(&stats->service_time, rw, now - io_start_time); + blkg_rwstat_add(&stats->service_time, op, op_flags, + now - io_start_time); if (time_after64(io_start_time, start_time)) - blkg_rwstat_add(&stats->wait_time, rw, + blkg_rwstat_add(&stats->wait_time, op, op_flags, io_start_time - start_time); } @@ -781,13 +786,16 @@ static inline void cfqg_put(struct cfq_group *cfqg) { } #define cfq_log_cfqg(cfqd, cfqg, fmt, args...) do {} while (0) static inline void cfqg_stats_update_io_add(struct cfq_group *cfqg, - struct cfq_group *curr_cfqg, int rw) { } + struct cfq_group *curr_cfqg, int op, int op_flags) { } static inline void cfqg_stats_update_timeslice_used(struct cfq_group *cfqg, unsigned long time, unsigned long unaccounted_time) { } -static inline void cfqg_stats_update_io_remove(struct cfq_group *cfqg, int rw) { } -static inline void cfqg_stats_update_io_merged(struct cfq_group *cfqg, int rw) { } +static inline void cfqg_stats_update_io_remove(struct cfq_group *cfqg, int op, + int op_flags) { } +static inline void cfqg_stats_update_io_merged(struct cfq_group *cfqg, int op, + int op_flags) { } static inline void cfqg_stats_update_completion(struct cfq_group *cfqg, - uint64_t start_time, uint64_t io_start_time, int rw) { } + uint64_t start_time, uint64_t io_start_time, int op, + int op_flags) { } #endif /* CONFIG_CFQ_GROUP_IOSCHED */ @@ -2461,10 +2469,10 @@ static void cfq_reposition_rq_rb(struct cfq_queue *cfqq, struct request *rq) { elv_rb_del(&cfqq->sort_list, rq); cfqq->queued[rq_is_sync(rq)]--; - cfqg_stats_update_io_remove(RQ_CFQG(rq), rq->cmd_flags); + cfqg_stats_update_io_remove(RQ_CFQG(rq), req_op(rq), rq->cmd_flags); cfq_add_rq_rb(rq); cfqg_stats_update_io_add(RQ_CFQG(rq), cfqq->cfqd->serving_group, - rq->cmd_flags); + req_op(rq), rq->cmd_flags); } static struct request * @@ -2517,7 +2525,7 @@ static void cfq_remove_request(struct request *rq) cfq_del_rq_rb(rq); cfqq->cfqd->rq_queued--; - cfqg_stats_update_io_remove(RQ_CFQG(rq), rq->cmd_flags); + cfqg_stats_update_io_remove(RQ_CFQG(rq), req_op(rq), rq->cmd_flags); if (rq->cmd_flags & REQ_PRIO) { WARN_ON(!cfqq->prio_pending); cfqq->prio_pending--; @@ -2552,7 +2560,7 @@ static void cfq_merged_request(struct request_queue *q, struct request *req, static void cfq_bio_merged(struct request_queue *q, struct request *req, struct bio *bio) { - cfqg_stats_update_io_merged(RQ_CFQG(req), bio->bi_rw); + cfqg_stats_update_io_merged(RQ_CFQG(req), bio_op(bio), bio->bi_rw); } static void @@ -2575,7 +2583,7 @@ cfq_merged_requests(struct request_queue *q, struct request *rq, if (cfqq->next_rq == next) cfqq->next_rq = rq; cfq_remove_request(next); - cfqg_stats_update_io_merged(RQ_CFQG(rq), next->cmd_flags); + cfqg_stats_update_io_merged(RQ_CFQG(rq), req_op(next), next->cmd_flags); cfqq = RQ_CFQQ(next); /* @@ -4108,7 +4116,7 @@ static void cfq_insert_request(struct request_queue *q, struct request *rq) rq->fifo_time = jiffies + cfqd->cfq_fifo_expire[rq_is_sync(rq)]; list_add_tail(&rq->queuelist, &cfqq->fifo); cfq_add_rq_rb(rq); - cfqg_stats_update_io_add(RQ_CFQG(rq), cfqd->serving_group, + cfqg_stats_update_io_add(RQ_CFQG(rq), cfqd->serving_group, req_op(rq), rq->cmd_flags); cfq_rq_enqueued(cfqd, cfqq, rq); } @@ -4206,7 +4214,8 @@ static void cfq_completed_request(struct request_queue *q, struct request *rq) cfqq->dispatched--; (RQ_CFQG(rq))->dispatched--; cfqg_stats_update_completion(cfqq->cfqg, rq_start_time_ns(rq), - rq_io_start_time_ns(rq), rq->cmd_flags); + rq_io_start_time_ns(rq), req_op(rq), + rq->cmd_flags); cfqd->rq_in_flight[cfq_cfqq_sync(cfqq)]--; diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 04f9c8d..f77150a 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -590,25 +590,26 @@ static inline void blkg_rwstat_exit(struct blkg_rwstat *rwstat) /** * blkg_rwstat_add - add a value to a blkg_rwstat * @rwstat: target blkg_rwstat - * @rw: mask of REQ_{WRITE|SYNC} + * @op: REQ_OP + * @op_flags: rq_flag_bits * @val: value to add * * Add @val to @rwstat. The counters are chosen according to @rw. The * caller is responsible for synchronizing calls to this function. */ static inline void blkg_rwstat_add(struct blkg_rwstat *rwstat, - int rw, uint64_t val) + int op, int op_flags, uint64_t val) { struct percpu_counter *cnt; - if (op_is_write(rw)) + if (op_is_write(op)) cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_WRITE]; else cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_READ]; __percpu_counter_add(cnt, val, BLKG_STAT_CPU_BATCH); - if (rw & REQ_SYNC) + if (op_flags & REQ_SYNC) cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_SYNC]; else cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_ASYNC]; @@ -713,9 +714,9 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q, if (!throtl) { blkg = blkg ?: q->root_blkg; - blkg_rwstat_add(&blkg->stat_bytes, bio->bi_rw, + blkg_rwstat_add(&blkg->stat_bytes, bio_op(bio), bio->bi_rw, bio->bi_iter.bi_size); - blkg_rwstat_add(&blkg->stat_ios, bio->bi_rw, 1); + blkg_rwstat_add(&blkg->stat_ios, bio_op(bio), bio->bi_rw, 1); } rcu_read_unlock(); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:54 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A252E7D2C for ; Sun, 5 Jun 2016 14:33:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 66776304043 for ; Sun, 5 Jun 2016 12:33:54 -0700 (PDT) X-ASG-Debug-ID: 1465155232-04cbb0356ab8ac40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 9RACriPhsxU0uK26 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:53 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9C2088F4E5; Sun, 5 Jun 2016 19:33:52 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9g003130; Sun, 5 Jun 2016 15:33:50 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 35/45] block: convert merge/insert code to check for REQ_OPs. Date: Sun, 5 Jun 2016 14:32:15 -0500 X-ASG-Orig-Subj: [PATCH 35/45] block: convert merge/insert code to check for REQ_OPs. Message-Id: <1465155145-10812-36-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Sun, 05 Jun 2016 19:33:52 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155233 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4565 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch converts the block layer merging code to use separate variables for the operation and flags, and to check req_op for the REQ_OP. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- block/blk-core.c | 2 +- block/blk-merge.c | 10 ++++++---- include/linux/blkdev.h | 20 ++++++++++---------- 3 files changed, 17 insertions(+), 15 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 090e55d..1333bb7 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2161,7 +2161,7 @@ EXPORT_SYMBOL(submit_bio); static int blk_cloned_rq_check_limits(struct request_queue *q, struct request *rq) { - if (blk_rq_sectors(rq) > blk_queue_get_max_sectors(q, rq->cmd_flags)) { + if (blk_rq_sectors(rq) > blk_queue_get_max_sectors(q, req_op(rq))) { printk(KERN_ERR "%s: over max size limit.\n", __func__); return -EIO; } diff --git a/block/blk-merge.c b/block/blk-merge.c index 5a03f96..c265348 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -649,7 +649,8 @@ static int attempt_merge(struct request_queue *q, struct request *req, if (!rq_mergeable(req) || !rq_mergeable(next)) return 0; - if (!blk_check_merge_flags(req->cmd_flags, next->cmd_flags)) + if (!blk_check_merge_flags(req->cmd_flags, req_op(req), next->cmd_flags, + req_op(next))) return 0; /* @@ -663,7 +664,7 @@ static int attempt_merge(struct request_queue *q, struct request *req, || req_no_special_merge(next)) return 0; - if (req->cmd_flags & REQ_WRITE_SAME && + if (req_op(req) == REQ_OP_WRITE_SAME && !blk_write_same_mergeable(req->bio, next->bio)) return 0; @@ -751,7 +752,8 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) if (!rq_mergeable(rq) || !bio_mergeable(bio)) return false; - if (!blk_check_merge_flags(rq->cmd_flags, bio->bi_rw)) + if (!blk_check_merge_flags(rq->cmd_flags, req_op(rq), bio->bi_rw, + bio_op(bio))) return false; /* different data direction or already started, don't merge */ @@ -767,7 +769,7 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) return false; /* must be using the same buffer */ - if (rq->cmd_flags & REQ_WRITE_SAME && + if (req_op(rq) == REQ_OP_WRITE_SAME && !blk_write_same_mergeable(rq->bio, bio)) return false; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 8c78aca..25f01ff 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -666,16 +666,16 @@ static inline bool rq_mergeable(struct request *rq) return true; } -static inline bool blk_check_merge_flags(unsigned int flags1, - unsigned int flags2) +static inline bool blk_check_merge_flags(unsigned int flags1, unsigned int op1, + unsigned int flags2, unsigned int op2) { - if ((flags1 & REQ_DISCARD) != (flags2 & REQ_DISCARD)) + if ((op1 == REQ_OP_DISCARD) != (op2 == REQ_OP_DISCARD)) return false; if ((flags1 & REQ_SECURE) != (flags2 & REQ_SECURE)) return false; - if ((flags1 & REQ_WRITE_SAME) != (flags2 & REQ_WRITE_SAME)) + if ((op1 == REQ_OP_WRITE_SAME) != (op2 == REQ_OP_WRITE_SAME)) return false; return true; @@ -887,12 +887,12 @@ static inline unsigned int blk_rq_cur_sectors(const struct request *rq) } static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, - unsigned int cmd_flags) + int op) { - if (unlikely(cmd_flags & REQ_DISCARD)) + if (unlikely(op == REQ_OP_DISCARD)) return min(q->limits.max_discard_sectors, UINT_MAX >> 9); - if (unlikely(cmd_flags & REQ_WRITE_SAME)) + if (unlikely(op == REQ_OP_WRITE_SAME)) return q->limits.max_write_same_sectors; return q->limits.max_sectors; @@ -919,11 +919,11 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq) if (unlikely(rq->cmd_type != REQ_TYPE_FS)) return q->limits.max_hw_sectors; - if (!q->limits.chunk_sectors || (rq->cmd_flags & REQ_DISCARD)) - return blk_queue_get_max_sectors(q, rq->cmd_flags); + if (!q->limits.chunk_sectors || (req_op(rq) == REQ_OP_DISCARD)) + return blk_queue_get_max_sectors(q, req_op(rq)); return min(blk_max_size_offset(q, blk_rq_pos(rq)), - blk_queue_get_max_sectors(q, rq->cmd_flags)); + blk_queue_get_max_sectors(q, req_op(rq))); } static inline unsigned int blk_rq_count_bios(struct request *rq) -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:58 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1C2B77CEE for ; 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Sun, 5 Jun 2016 15:33:52 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 36/45] block: convert is_sync helpers to use REQ_OPs. Date: Sun, 5 Jun 2016 14:32:16 -0500 X-ASG-Orig-Subj: [PATCH 36/45] block: convert is_sync helpers to use REQ_OPs. Message-Id: <1465155145-10812-37-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sun, 05 Jun 2016 19:33:55 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155236 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4388 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch converts the is_sync helpers to use separate variables for the operation and flags. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- block/blk-core.c | 6 +++--- block/blk-mq.c | 8 ++++---- block/cfq-iosched.c | 2 +- include/linux/blkdev.h | 6 +++--- 4 files changed, 11 insertions(+), 11 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 1333bb7..f9f4228 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -962,7 +962,7 @@ static void __freed_request(struct request_list *rl, int sync) static void freed_request(struct request_list *rl, int op, unsigned int flags) { struct request_queue *q = rl->q; - int sync = rw_is_sync(op | flags); + int sync = rw_is_sync(op, flags); q->nr_rqs[sync]--; rl->count[sync]--; @@ -1075,7 +1075,7 @@ static struct request *__get_request(struct request_list *rl, int op, struct elevator_type *et = q->elevator->type; struct io_context *ioc = rq_ioc(bio); struct io_cq *icq = NULL; - const bool is_sync = rw_is_sync(op | op_flags) != 0; + const bool is_sync = rw_is_sync(op, op_flags) != 0; int may_queue; if (unlikely(blk_queue_dying(q))) @@ -1244,7 +1244,7 @@ static struct request *get_request(struct request_queue *q, int op, int op_flags, struct bio *bio, gfp_t gfp_mask) { - const bool is_sync = rw_is_sync(op | op_flags) != 0; + const bool is_sync = rw_is_sync(op, op_flags) != 0; DEFINE_WAIT(wait); struct request_list *rl; struct request *rq; diff --git a/block/blk-mq.c b/block/blk-mq.c index 3393f29..29bcd9c 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -204,7 +204,7 @@ static void blk_mq_rq_ctx_init(struct request_queue *q, struct blk_mq_ctx *ctx, rq->end_io_data = NULL; rq->next_rq = NULL; - ctx->rq_dispatched[rw_is_sync(op | op_flags)]++; + ctx->rq_dispatched[rw_is_sync(op, op_flags)]++; } static struct request * @@ -1178,7 +1178,7 @@ static struct request *blk_mq_map_request(struct request_queue *q, ctx = blk_mq_get_ctx(q); hctx = q->mq_ops->map_queue(q, ctx->cpu); - if (rw_is_sync(bio->bi_rw)) + if (rw_is_sync(bio_op(bio), bio->bi_rw)) op_flags |= REQ_SYNC; trace_block_getrq(q, bio, op); @@ -1246,7 +1246,7 @@ static int blk_mq_direct_issue_request(struct request *rq, blk_qc_t *cookie) */ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) { - const int is_sync = rw_is_sync(bio->bi_rw); + const int is_sync = rw_is_sync(bio_op(bio), bio->bi_rw); const int is_flush_fua = bio->bi_rw & (REQ_FLUSH | REQ_FUA); struct blk_map_ctx data; struct request *rq; @@ -1343,7 +1343,7 @@ done: */ static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio) { - const int is_sync = rw_is_sync(bio->bi_rw); + const int is_sync = rw_is_sync(bio_op(bio), bio->bi_rw); const int is_flush_fua = bio->bi_rw & (REQ_FLUSH | REQ_FUA); struct blk_plug *plug; unsigned int request_count = 0; diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 3dafdba..b115486 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -4311,7 +4311,7 @@ static int cfq_may_queue(struct request_queue *q, int op, int op_flags) if (!cic) return ELV_MQUEUE_MAY; - cfqq = cic_to_cfqq(cic, rw_is_sync(op | op_flags)); + cfqq = cic_to_cfqq(cic, rw_is_sync(op, op_flags)); if (cfqq) { cfq_init_prio_data(cfqq, cic); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 25f01ff..4937c05 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -624,14 +624,14 @@ static inline unsigned int blk_queue_cluster(struct request_queue *q) /* * We regard a request as sync, if either a read or a sync write */ -static inline bool rw_is_sync(unsigned int rw_flags) +static inline bool rw_is_sync(int op, unsigned int rw_flags) { - return !(rw_flags & REQ_WRITE) || (rw_flags & REQ_SYNC); + return op == REQ_OP_READ || (rw_flags & REQ_SYNC); } static inline bool rq_is_sync(struct request *rq) { - return rw_is_sync(rq->cmd_flags); + return rw_is_sync(req_op(rq), rq->cmd_flags); } static inline bool blk_rl_full(struct request_list *rl, bool sync) -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:33:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9CC047CB6 for ; Sun, 5 Jun 2016 14:33:59 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6E7FB304043 for ; Sun, 5 Jun 2016 12:33:59 -0700 (PDT) X-ASG-Debug-ID: 1465155237-04cbb03568b8ac40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id vB5aB4h4PD5hKw36 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:33:57 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3CE73C04D2A9; Sun, 5 Jun 2016 19:33:57 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9i003130; Sun, 5 Jun 2016 15:33:55 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 37/45] drivers: use req op accessor Date: Sun, 5 Jun 2016 14:32:17 -0500 X-ASG-Orig-Subj: [PATCH 37/45] drivers: use req op accessor Message-Id: <1465155145-10812-38-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Sun, 05 Jun 2016 19:33:57 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155237 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12052 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie The req operation REQ_OP is separated from the rq_flag_bits definition. This converts the block layer drivers to use req_op to get the op from the request struct. Signed-off-by: Mike Christie --- drivers/block/loop.c | 6 +++--- drivers/block/mtip32xx/mtip32xx.c | 2 +- drivers/block/nbd.c | 2 +- drivers/block/rbd.c | 4 ++-- drivers/block/xen-blkfront.c | 8 +++++--- drivers/ide/ide-floppy.c | 2 +- drivers/md/dm.c | 2 +- drivers/mmc/card/block.c | 7 +++---- drivers/mmc/card/queue.c | 6 ++---- drivers/mmc/card/queue.h | 5 ++++- drivers/mtd/mtd_blkdevs.c | 2 +- drivers/nvme/host/core.c | 2 +- drivers/nvme/host/nvme.h | 4 ++-- drivers/scsi/sd.c | 25 ++++++++++++++++--------- 14 files changed, 43 insertions(+), 34 deletions(-) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index e9f1701..b9b737c 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -544,7 +544,7 @@ static int do_req_filebacked(struct loop_device *lo, struct request *rq) if (op_is_write(req_op(rq))) { if (rq->cmd_flags & REQ_FLUSH) ret = lo_req_flush(lo, rq); - else if (rq->cmd_flags & REQ_DISCARD) + else if (req_op(rq) == REQ_OP_DISCARD) ret = lo_discard(lo, rq, pos); else if (lo->transfer) ret = lo_write_transfer(lo, rq, pos); @@ -1659,8 +1659,8 @@ static int loop_queue_rq(struct blk_mq_hw_ctx *hctx, if (lo->lo_state != Lo_bound) return -EIO; - if (lo->use_dio && !(cmd->rq->cmd_flags & (REQ_FLUSH | - REQ_DISCARD))) + if (lo->use_dio && (!(cmd->rq->cmd_flags & REQ_FLUSH) || + req_op(cmd->rq) == REQ_OP_DISCARD)) cmd->use_aio = true; else cmd->use_aio = false; diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 6053e46..8e3e708 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3765,7 +3765,7 @@ static int mtip_submit_request(struct blk_mq_hw_ctx *hctx, struct request *rq) return -ENODATA; } - if (rq->cmd_flags & REQ_DISCARD) { + if (req_op(rq) == REQ_OP_DISCARD) { int err; err = mtip_send_trim(dd, blk_rq_pos(rq), blk_rq_sectors(rq)); diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 31e73a7..6c2c28d 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -282,7 +282,7 @@ static int nbd_send_req(struct nbd_device *nbd, struct request *req) if (req->cmd_type == REQ_TYPE_DRV_PRIV) type = NBD_CMD_DISC; - else if (req->cmd_flags & REQ_DISCARD) + else if (req_op(req) == REQ_OP_DISCARD) type = NBD_CMD_TRIM; else if (req->cmd_flags & REQ_FLUSH) type = NBD_CMD_FLUSH; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 81666a5..4506620 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3286,9 +3286,9 @@ static void rbd_queue_workfn(struct work_struct *work) goto err; } - if (rq->cmd_flags & REQ_DISCARD) + if (req_op(rq) == REQ_OP_DISCARD) op_type = OBJ_OP_DISCARD; - else if (rq->cmd_flags & REQ_WRITE) + else if (req_op(rq) == REQ_OP_WRITE) op_type = OBJ_OP_WRITE; else op_type = OBJ_OP_READ; diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 52963a2..6fd1601 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -844,7 +844,8 @@ static int blkif_queue_request(struct request *req, struct blkfront_ring_info *r if (unlikely(rinfo->dev_info->connected != BLKIF_STATE_CONNECTED)) return 1; - if (unlikely(req->cmd_flags & (REQ_DISCARD | REQ_SECURE))) + if (unlikely(req_op(req) == REQ_OP_DISCARD || + req->cmd_flags & REQ_SECURE)) return blkif_queue_discard_req(req, rinfo); else return blkif_queue_rw_req(req, rinfo); @@ -2054,8 +2055,9 @@ static int blkif_recover(struct blkfront_info *info) /* * Get the bios in the request so we can re-queue them. */ - if (copy[i].request->cmd_flags & - (REQ_FLUSH | REQ_FUA | REQ_DISCARD | REQ_SECURE)) { + if (copy[i].request->cmd_flags & REQ_FLUSH || + req_op(copy[i].request) == REQ_OP_DISCARD || + copy[i].request->cmd_flags & (REQ_FUA | REQ_SECURE)) { /* * Flush operations don't contain bios, so * we need to requeue the whole request diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 2fb5350..f079d8d 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -206,7 +206,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive, memcpy(rq->cmd, pc->c, 12); pc->rq = rq; - if (rq->cmd_flags & REQ_WRITE) + if (cmd == WRITE) pc->flags |= PC_FLAG_WRITING; pc->flags |= PC_FLAG_DMA_OK; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 9204a2d..f6b104c 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1322,7 +1322,7 @@ static void dm_done(struct request *clone, int error, bool mapped) r = rq_end_io(tio->ti, clone, error, &tio->info); } - if (unlikely(r == -EREMOTEIO && (clone->cmd_flags & REQ_WRITE_SAME) && + if (unlikely(r == -EREMOTEIO && (req_op(clone) == REQ_OP_WRITE_SAME) && !clone->q->limits.max_write_same_sectors)) disable_write_same(tio->md); diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index e62fde3..201a871 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -1722,8 +1722,7 @@ static u8 mmc_blk_prep_packed_list(struct mmc_queue *mq, struct request *req) !IS_ALIGNED(blk_rq_sectors(next), 8)) break; - if (next->cmd_flags & REQ_DISCARD || - next->cmd_flags & REQ_FLUSH) + if (req_op(next) == REQ_OP_DISCARD || next->cmd_flags & REQ_FLUSH) break; if (rq_data_dir(cur) != rq_data_dir(next)) @@ -2164,7 +2163,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) } mq->flags &= ~MMC_QUEUE_NEW_REQUEST; - if (cmd_flags & REQ_DISCARD) { + if (req && req_op(req) == REQ_OP_DISCARD) { /* complete ongoing async transfer before issuing discard */ if (card->host->areq) mmc_blk_issue_rw_rq(mq, NULL); @@ -2188,7 +2187,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) out: if ((!req && !(mq->flags & MMC_QUEUE_NEW_REQUEST)) || - (cmd_flags & MMC_REQ_SPECIAL_MASK)) + mmc_req_is_special(req)) /* * Release host when there are no more requests * and after special request(discard, flush) is done. diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 6f4323c..c2d5f6f 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -33,7 +33,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req) /* * We only like normal block requests and discards. */ - if (req->cmd_type != REQ_TYPE_FS && !(req->cmd_flags & REQ_DISCARD)) { + if (req->cmd_type != REQ_TYPE_FS && req_op(req) != REQ_OP_DISCARD) { blk_dump_rq_flags(req, "MMC bad request"); return BLKPREP_KILL; } @@ -56,7 +56,6 @@ static int mmc_queue_thread(void *d) down(&mq->thread_sem); do { struct request *req = NULL; - unsigned int cmd_flags = 0; spin_lock_irq(q->queue_lock); set_current_state(TASK_INTERRUPTIBLE); @@ -66,7 +65,6 @@ static int mmc_queue_thread(void *d) if (req || mq->mqrq_prev->req) { set_current_state(TASK_RUNNING); - cmd_flags = req ? req->cmd_flags : 0; mq->issue_fn(mq, req); cond_resched(); if (mq->flags & MMC_QUEUE_NEW_REQUEST) { @@ -81,7 +79,7 @@ static int mmc_queue_thread(void *d) * has been finished. Do not assign it to previous * request. */ - if (cmd_flags & MMC_REQ_SPECIAL_MASK) + if (mmc_req_is_special(req)) mq->mqrq_cur->req = NULL; mq->mqrq_prev->brq.mrq.data = NULL; diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h index 36cddab..9fb26f2 100644 --- a/drivers/mmc/card/queue.h +++ b/drivers/mmc/card/queue.h @@ -1,7 +1,10 @@ #ifndef MMC_QUEUE_H #define MMC_QUEUE_H -#define MMC_REQ_SPECIAL_MASK (REQ_DISCARD | REQ_FLUSH) +static inline bool mmc_req_is_special(struct request *req) +{ + return req && (req->cmd_flags & REQ_FLUSH || req_op(req) == REQ_OP_DISCARD); +} struct request; struct task_struct; diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 74ae243..4eb9a5f 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -94,7 +94,7 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, get_capacity(req->rq_disk)) return -EIO; - if (req->cmd_flags & REQ_DISCARD) + if (req_op(req) == REQ_OP_DISCARD) return tr->discard(dev, block, nsect); if (rq_data_dir(req) == READ) { diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 1a51584..089b8b8 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -292,7 +292,7 @@ int nvme_setup_cmd(struct nvme_ns *ns, struct request *req, memcpy(cmd, req->cmd, sizeof(*cmd)); else if (req->cmd_flags & REQ_FLUSH) nvme_setup_flush(ns, cmd); - else if (req->cmd_flags & REQ_DISCARD) + else if (req_op(req) == REQ_OP_DISCARD) ret = nvme_setup_discard(ns, req, cmd); else nvme_setup_rw(ns, req, cmd); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 1daa048..4d196d2 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -177,7 +177,7 @@ static inline u64 nvme_block_nr(struct nvme_ns *ns, sector_t sector) static inline unsigned nvme_map_len(struct request *rq) { - if (rq->cmd_flags & REQ_DISCARD) + if (req_op(rq) == REQ_OP_DISCARD) return sizeof(struct nvme_dsm_range); else return blk_rq_bytes(rq); @@ -185,7 +185,7 @@ static inline unsigned nvme_map_len(struct request *rq) static inline void nvme_cleanup_cmd(struct request *req) { - if (req->cmd_flags & REQ_DISCARD) + if (req_op(req) == REQ_OP_DISCARD) kfree(req->completion_data); } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index f459dff..c8dc221 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1012,7 +1012,8 @@ static int sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) } else if (rq_data_dir(rq) == READ) { SCpnt->cmnd[0] = READ_6; } else { - scmd_printk(KERN_ERR, SCpnt, "Unknown command %llx\n", (unsigned long long) rq->cmd_flags); + scmd_printk(KERN_ERR, SCpnt, "Unknown command %d,%llx\n", + req_op(rq), (unsigned long long) rq->cmd_flags); goto out; } @@ -1137,21 +1138,27 @@ static int sd_init_command(struct scsi_cmnd *cmd) { struct request *rq = cmd->request; - if (rq->cmd_flags & REQ_DISCARD) + switch (req_op(rq)) { + case REQ_OP_DISCARD: return sd_setup_discard_cmnd(cmd); - else if (rq->cmd_flags & REQ_WRITE_SAME) + case REQ_OP_WRITE_SAME: return sd_setup_write_same_cmnd(cmd); - else if (rq->cmd_flags & REQ_FLUSH) - return sd_setup_flush_cmnd(cmd); - else - return sd_setup_read_write_cmnd(cmd); + case REQ_OP_READ: + case REQ_OP_WRITE: + if (rq->cmd_flags & REQ_FLUSH) + return sd_setup_flush_cmnd(cmd); + else + return sd_setup_read_write_cmnd(cmd); + default: + BUG(); + } } static void sd_uninit_command(struct scsi_cmnd *SCpnt) { struct request *rq = SCpnt->request; - if (rq->cmd_flags & REQ_DISCARD) + if (req_op(rq) == REQ_OP_DISCARD) __free_page(rq->completion_data); if (SCpnt->cmnd != rq->cmd) { @@ -1774,7 +1781,7 @@ static int sd_done(struct scsi_cmnd *SCpnt) unsigned char op = SCpnt->cmnd[0]; unsigned char unmap = SCpnt->cmnd[1] & 8; - if (req->cmd_flags & REQ_DISCARD || req->cmd_flags & REQ_WRITE_SAME) { + if (req_op(req) == REQ_OP_DISCARD || req_op(req) == REQ_OP_WRITE_SAME) { if (!result) { good_bytes = blk_rq_bytes(req); scsi_set_resid(SCpnt, 0); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:34:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A5EE57D5B for ; 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Sun, 5 Jun 2016 15:33:57 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 38/45] blktrace: use op accessors Date: Sun, 5 Jun 2016 14:32:18 -0500 X-ASG-Orig-Subj: [PATCH 38/45] blktrace: use op accessors Message-Id: <1465155145-10812-39-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 05 Jun 2016 19:33:59 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155240 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12996 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie Have blktrace use the req/bio op accessor to get the REQ_OP. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- v8: 1. Fix REQ_OP_WRITE_SAME handling, so it is not reported as a N. include/linux/blktrace_api.h | 2 +- include/trace/events/bcache.h | 12 ++++++--- include/trace/events/block.h | 31 ++++++++++++++-------- kernel/trace/blktrace.c | 62 +++++++++++++++++++++++++------------------ 4 files changed, 65 insertions(+), 42 deletions(-) diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 0f3172b..cceb72f 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -118,7 +118,7 @@ static inline int blk_cmd_buf_len(struct request *rq) } extern void blk_dump_cmd(char *buf, struct request *rq); -extern void blk_fill_rwbs(char *rwbs, u32 rw, int bytes); +extern void blk_fill_rwbs(char *rwbs, int op, u32 rw, int bytes); #endif /* CONFIG_EVENT_TRACING && CONFIG_BLOCK */ diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h index 981acf7..65673d8 100644 --- a/include/trace/events/bcache.h +++ b/include/trace/events/bcache.h @@ -27,7 +27,8 @@ DECLARE_EVENT_CLASS(bcache_request, __entry->sector = bio->bi_iter.bi_sector; __entry->orig_sector = bio->bi_iter.bi_sector - 16; __entry->nr_sector = bio->bi_iter.bi_size >> 9; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); ), TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)", @@ -101,7 +102,8 @@ DECLARE_EVENT_CLASS(bcache_bio, __entry->dev = bio->bi_bdev->bd_dev; __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio->bi_iter.bi_size >> 9; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); ), TP_printk("%d,%d %s %llu + %u", @@ -136,7 +138,8 @@ TRACE_EVENT(bcache_read, __entry->dev = bio->bi_bdev->bd_dev; __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio->bi_iter.bi_size >> 9; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); __entry->cache_hit = hit; __entry->bypass = bypass; ), @@ -167,7 +170,8 @@ TRACE_EVENT(bcache_write, __entry->inode = inode; __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio->bi_iter.bi_size >> 9; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); __entry->writeback = writeback; __entry->bypass = bypass; ), diff --git a/include/trace/events/block.h b/include/trace/events/block.h index e8a5eca..5a2a759 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -84,7 +84,8 @@ DECLARE_EVENT_CLASS(block_rq_with_error, 0 : blk_rq_sectors(rq); __entry->errors = rq->errors; - blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); + blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, + blk_rq_bytes(rq)); blk_dump_cmd(__get_str(cmd), rq); ), @@ -162,7 +163,7 @@ TRACE_EVENT(block_rq_complete, __entry->nr_sector = nr_bytes >> 9; __entry->errors = rq->errors; - blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes); + blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, nr_bytes); blk_dump_cmd(__get_str(cmd), rq); ), @@ -198,7 +199,8 @@ DECLARE_EVENT_CLASS(block_rq, __entry->bytes = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? blk_rq_bytes(rq) : 0; - blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); + blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, + blk_rq_bytes(rq)); blk_dump_cmd(__get_str(cmd), rq); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -272,7 +274,8 @@ TRACE_EVENT(block_bio_bounce, bio->bi_bdev->bd_dev : 0; __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -310,7 +313,8 @@ TRACE_EVENT(block_bio_complete, __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); __entry->error = error; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); ), TP_printk("%d,%d %s %llu + %u [%d]", @@ -337,7 +341,8 @@ DECLARE_EVENT_CLASS(block_bio_merge, __entry->dev = bio->bi_bdev->bd_dev; __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -404,7 +409,8 @@ TRACE_EVENT(block_bio_queue, __entry->dev = bio->bi_bdev->bd_dev; __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -432,7 +438,7 @@ DECLARE_EVENT_CLASS(block_get_rq, __entry->dev = bio ? bio->bi_bdev->bd_dev : 0; __entry->sector = bio ? bio->bi_iter.bi_sector : 0; __entry->nr_sector = bio ? bio_sectors(bio) : 0; - blk_fill_rwbs(__entry->rwbs, + blk_fill_rwbs(__entry->rwbs, bio ? bio_op(bio) : 0, bio ? bio->bi_rw : 0, __entry->nr_sector); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -567,7 +573,8 @@ TRACE_EVENT(block_split, __entry->dev = bio->bi_bdev->bd_dev; __entry->sector = bio->bi_iter.bi_sector; __entry->new_sector = new_sector; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -610,7 +617,8 @@ TRACE_EVENT(block_bio_remap, __entry->nr_sector = bio_sectors(bio); __entry->old_dev = dev; __entry->old_sector = from; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); + blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_rw, + bio->bi_iter.bi_size); ), TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", @@ -656,7 +664,8 @@ TRACE_EVENT(block_rq_remap, __entry->old_dev = dev; __entry->old_sector = from; __entry->nr_bios = blk_rq_count_bios(rq); - blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); + blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, + blk_rq_bytes(rq)); ), TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u", diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 9aef865..2d16fad 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -199,7 +199,8 @@ static const u32 ddir_act[2] = { BLK_TC_ACT(BLK_TC_READ), * blk_io_trace structure and places it in a per-cpu subbuffer. */ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, - int rw, u32 what, int error, int pdu_len, void *pdu_data) + int op, int op_flags, u32 what, int error, int pdu_len, + void *pdu_data) { struct task_struct *tsk = current; struct ring_buffer_event *event = NULL; @@ -214,13 +215,14 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, if (unlikely(bt->trace_state != Blktrace_running && !blk_tracer)) return; - what |= ddir_act[rw & WRITE]; - what |= MASK_TC_BIT(rw, SYNC); - what |= MASK_TC_BIT(rw, RAHEAD); - what |= MASK_TC_BIT(rw, META); - what |= MASK_TC_BIT(rw, DISCARD); - what |= MASK_TC_BIT(rw, FLUSH); - what |= MASK_TC_BIT(rw, FUA); + what |= ddir_act[op_is_write(op) ? WRITE : READ]; + what |= MASK_TC_BIT(op_flags, SYNC); + what |= MASK_TC_BIT(op_flags, RAHEAD); + what |= MASK_TC_BIT(op_flags, META); + what |= MASK_TC_BIT(op_flags, FLUSH); + what |= MASK_TC_BIT(op_flags, FUA); + if (op == REQ_OP_DISCARD) + what |= BLK_TC_ACT(BLK_TC_DISCARD); pid = tsk->pid; if (act_log_check(bt, what, sector, pid)) @@ -708,11 +710,11 @@ static void blk_add_trace_rq(struct request_queue *q, struct request *rq, if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { what |= BLK_TC_ACT(BLK_TC_PC); - __blk_add_trace(bt, 0, nr_bytes, rq->cmd_flags, + __blk_add_trace(bt, 0, nr_bytes, req_op(rq), rq->cmd_flags, what, rq->errors, rq->cmd_len, rq->cmd); } else { what |= BLK_TC_ACT(BLK_TC_FS); - __blk_add_trace(bt, blk_rq_pos(rq), nr_bytes, + __blk_add_trace(bt, blk_rq_pos(rq), nr_bytes, req_op(rq), rq->cmd_flags, what, rq->errors, 0, NULL); } } @@ -770,7 +772,7 @@ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio, return; __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size, - bio->bi_rw, what, error, 0, NULL); + bio_op(bio), bio->bi_rw, what, error, 0, NULL); } static void blk_add_trace_bio_bounce(void *ignore, @@ -818,7 +820,8 @@ static void blk_add_trace_getrq(void *ignore, struct blk_trace *bt = q->blk_trace; if (bt) - __blk_add_trace(bt, 0, 0, rw, BLK_TA_GETRQ, 0, 0, NULL); + __blk_add_trace(bt, 0, 0, rw, 0, BLK_TA_GETRQ, 0, 0, + NULL); } } @@ -833,7 +836,7 @@ static void blk_add_trace_sleeprq(void *ignore, struct blk_trace *bt = q->blk_trace; if (bt) - __blk_add_trace(bt, 0, 0, rw, BLK_TA_SLEEPRQ, + __blk_add_trace(bt, 0, 0, rw, 0, BLK_TA_SLEEPRQ, 0, 0, NULL); } } @@ -843,7 +846,7 @@ static void blk_add_trace_plug(void *ignore, struct request_queue *q) struct blk_trace *bt = q->blk_trace; if (bt) - __blk_add_trace(bt, 0, 0, 0, BLK_TA_PLUG, 0, 0, NULL); + __blk_add_trace(bt, 0, 0, 0, 0, BLK_TA_PLUG, 0, 0, NULL); } static void blk_add_trace_unplug(void *ignore, struct request_queue *q, @@ -860,7 +863,7 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q, else what = BLK_TA_UNPLUG_TIMER; - __blk_add_trace(bt, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu); + __blk_add_trace(bt, 0, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu); } } @@ -874,8 +877,9 @@ static void blk_add_trace_split(void *ignore, __be64 rpdu = cpu_to_be64(pdu); __blk_add_trace(bt, bio->bi_iter.bi_sector, - bio->bi_iter.bi_size, bio->bi_rw, BLK_TA_SPLIT, - bio->bi_error, sizeof(rpdu), &rpdu); + bio->bi_iter.bi_size, bio_op(bio), bio->bi_rw, + BLK_TA_SPLIT, bio->bi_error, sizeof(rpdu), + &rpdu); } } @@ -907,7 +911,7 @@ static void blk_add_trace_bio_remap(void *ignore, r.sector_from = cpu_to_be64(from); __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size, - bio->bi_rw, BLK_TA_REMAP, bio->bi_error, + bio_op(bio), bio->bi_rw, BLK_TA_REMAP, bio->bi_error, sizeof(r), &r); } @@ -940,7 +944,7 @@ static void blk_add_trace_rq_remap(void *ignore, r.sector_from = cpu_to_be64(from); __blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq), - rq_data_dir(rq), BLK_TA_REMAP, !!rq->errors, + rq_data_dir(rq), 0, BLK_TA_REMAP, !!rq->errors, sizeof(r), &r); } @@ -965,10 +969,10 @@ void blk_add_driver_data(struct request_queue *q, return; if (rq->cmd_type == REQ_TYPE_BLOCK_PC) - __blk_add_trace(bt, 0, blk_rq_bytes(rq), 0, + __blk_add_trace(bt, 0, blk_rq_bytes(rq), 0, 0, BLK_TA_DRV_DATA, rq->errors, len, data); else - __blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq), 0, + __blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq), 0, 0, BLK_TA_DRV_DATA, rq->errors, len, data); } EXPORT_SYMBOL_GPL(blk_add_driver_data); @@ -1769,21 +1773,27 @@ void blk_dump_cmd(char *buf, struct request *rq) } } -void blk_fill_rwbs(char *rwbs, u32 rw, int bytes) +void blk_fill_rwbs(char *rwbs, int op, u32 rw, int bytes) { int i = 0; if (rw & REQ_FLUSH) rwbs[i++] = 'F'; - if (rw & WRITE) + switch (op) { + case REQ_OP_WRITE: + case REQ_OP_WRITE_SAME: rwbs[i++] = 'W'; - else if (rw & REQ_DISCARD) + break; + case REQ_OP_DISCARD: rwbs[i++] = 'D'; - else if (bytes) + break; + case REQ_OP_READ: rwbs[i++] = 'R'; - else + break; + default: rwbs[i++] = 'N'; + } if (rw & REQ_FUA) rwbs[i++] = 'F'; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:34:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9D4F77D62 for ; Sun, 5 Jun 2016 14:34:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6278F8F8037 for ; Sun, 5 Jun 2016 12:34:03 -0700 (PDT) X-ASG-Debug-ID: 1465155242-04cbb0356bb8ac60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id JGhQUFnL2dfEgsIo (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:34:02 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C410A486D6; Sun, 5 Jun 2016 19:34:01 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9k003130; Sun, 5 Jun 2016 15:33:59 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 39/45] ide cd: do not set REQ_WRITE on requests. Date: Sun, 5 Jun 2016 14:32:19 -0500 X-ASG-Orig-Subj: [PATCH 39/45] ide cd: do not set REQ_WRITE on requests. Message-Id: <1465155145-10812-40-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Sun, 05 Jun 2016 19:34:01 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155242 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 918 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie The block layer will set the correct READ/WRITE operation flags/fields when creating a request, so there is not need for drivers to set the REQ_WRITE flag. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- drivers/ide/ide-cd_ioctl.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index 474173e..5887a7a 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -459,9 +459,6 @@ int ide_cdrom_packet(struct cdrom_device_info *cdi, layer. the packet must be complete, as we do not touch it at all. */ - if (cgc->data_direction == CGC_DATA_WRITE) - flags |= REQ_WRITE; - if (cgc->sense) memset(cgc->sense, 0, sizeof(struct request_sense)); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:34:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 838E87D66 for ; Sun, 5 Jun 2016 14:34:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0077AAC003 for ; Sun, 5 Jun 2016 12:34:05 -0700 (PDT) X-ASG-Debug-ID: 1465155244-04cbb0356ab8ac60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 4MAjkNKY3qtoCluX (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:34:05 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1F5C27267C; Sun, 5 Jun 2016 19:34:04 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9l003130; Sun, 5 Jun 2016 15:34:01 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 40/45] block: move bio io prio to a new field Date: Sun, 5 Jun 2016 14:32:20 -0500 X-ASG-Orig-Subj: [PATCH 40/45] block: move bio io prio to a new field Message-Id: <1465155145-10812-41-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sun, 05 Jun 2016 19:34:04 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155244 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1916 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie In the next patch, we move drop the compat code and make the op a separate value that is hidden in bi_rw. To give the op and rq bits flags room to grow this moves prio to its own field. Signed-off-by: Mike Christie --- include/linux/bio.h | 14 ++------------ include/linux/blk_types.h | 5 ++--- 2 files changed, 4 insertions(+), 15 deletions(-) diff --git a/include/linux/bio.h b/include/linux/bio.h index 4568647..35108c2 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -47,18 +47,8 @@ #define bio_op(bio) (op_from_rq_bits((bio)->bi_rw)) #define bio_set_op_attrs(bio, op, flags) ((bio)->bi_rw |= (op | flags)) -/* - * upper 16 bits of bi_rw define the io priority of this bio - */ -#define BIO_PRIO_SHIFT (8 * sizeof(unsigned long) - IOPRIO_BITS) -#define bio_prio(bio) ((bio)->bi_rw >> BIO_PRIO_SHIFT) -#define bio_prio_valid(bio) ioprio_valid(bio_prio(bio)) - -#define bio_set_prio(bio, prio) do { \ - WARN_ON(prio >= (1 << IOPRIO_BITS)); \ - (bio)->bi_rw &= ((1UL << BIO_PRIO_SHIFT) - 1); \ - (bio)->bi_rw |= ((unsigned long) (prio) << BIO_PRIO_SHIFT); \ -} while (0) +#define bio_prio(bio) (bio)->bi_ioprio +#define bio_set_prio(bio, prio) ((bio)->bi_ioprio = prio) /* * various member access, note that bio_data should of course not be used diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 6e60baa..2738413 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -48,9 +48,8 @@ struct bio { struct block_device *bi_bdev; unsigned int bi_flags; /* status, command, etc */ int bi_error; - unsigned long bi_rw; /* bottom bits READ/WRITE, - * top bits priority - */ + unsigned long bi_rw; /* READ/WRITE */ + unsigned short bi_ioprio; struct bvec_iter bi_iter; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:34:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B2E137D68 for ; Sun, 5 Jun 2016 14:34:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3BB91AC005 for ; Sun, 5 Jun 2016 12:34:08 -0700 (PDT) X-ASG-Debug-ID: 1465155246-04cb6c2dbcb58e60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id VBD9nkilYv0uzDiK (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:34:07 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4AD527302D; Sun, 5 Jun 2016 19:34:06 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9m003130; Sun, 5 Jun 2016 15:34:04 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 41/45] block, drivers, fs: shrink bi_rw from long to int Date: Sun, 5 Jun 2016 14:32:21 -0500 X-ASG-Orig-Subj: [PATCH 41/45] block, drivers, fs: shrink bi_rw from long to int Message-Id: <1465155145-10812-42-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sun, 05 Jun 2016 19:34:06 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155246 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4825 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie We don't need bi_rw to be so large on 64 bit archs, so reduce it to unsigned int. Signed-off-by: Mike Christie --- block/blk-core.c | 2 +- drivers/md/dm-flakey.c | 2 +- drivers/md/raid5.c | 6 +++--- fs/btrfs/check-integrity.c | 4 ++-- fs/btrfs/inode.c | 2 +- include/linux/blk_types.h | 2 +- 6 files changed, 9 insertions(+), 9 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index f9f4228..c7d66c2 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1853,7 +1853,7 @@ static void handle_bad_sector(struct bio *bio) char b[BDEVNAME_SIZE]; printk(KERN_INFO "attempt to access beyond end of device\n"); - printk(KERN_INFO "%s: rw=%ld, want=%Lu, limit=%Lu\n", + printk(KERN_INFO "%s: rw=%d, want=%Lu, limit=%Lu\n", bdevname(bio->bi_bdev, b), bio->bi_rw, (unsigned long long)bio_end_sector(bio), diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c index b7341de..29b99fb 100644 --- a/drivers/md/dm-flakey.c +++ b/drivers/md/dm-flakey.c @@ -266,7 +266,7 @@ static void corrupt_bio_data(struct bio *bio, struct flakey_c *fc) data[fc->corrupt_bio_byte - 1] = fc->corrupt_bio_value; DMDEBUG("Corrupting data bio=%p by writing %u to byte %u " - "(rw=%c bi_rw=%lu bi_sector=%llu cur_bytes=%u)\n", + "(rw=%c bi_rw=%u bi_sector=%llu cur_bytes=%u)\n", bio, fc->corrupt_bio_value, fc->corrupt_bio_byte, (bio_data_dir(bio) == WRITE) ? 'w' : 'r', bio->bi_rw, (unsigned long long)bio->bi_iter.bi_sector, bio_bytes); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index e35c163..b9122e2 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1001,7 +1001,7 @@ again: : raid5_end_read_request; bi->bi_private = sh; - pr_debug("%s: for %llu schedule op %ld on disc %d\n", + pr_debug("%s: for %llu schedule op %d on disc %d\n", __func__, (unsigned long long)sh->sector, bi->bi_rw, i); atomic_inc(&sh->count); @@ -1052,7 +1052,7 @@ again: rbi->bi_end_io = raid5_end_write_request; rbi->bi_private = sh; - pr_debug("%s: for %llu schedule op %ld on " + pr_debug("%s: for %llu schedule op %d on " "replacement disc %d\n", __func__, (unsigned long long)sh->sector, rbi->bi_rw, i); @@ -1087,7 +1087,7 @@ again: if (!rdev && !rrdev) { if (op_is_write(op)) set_bit(STRIPE_DEGRADED, &sh->state); - pr_debug("skip op %ld on disc %d for sector %llu\n", + pr_debug("skip op %d on disc %d for sector %llu\n", bi->bi_rw, i, (unsigned long long)sh->sector); clear_bit(R5_LOCKED, &sh->dev[i].flags); set_bit(STRIPE_HANDLE, &sh->state); diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 80a4389..da944ff 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -2943,7 +2943,7 @@ static void __btrfsic_submit_bio(struct bio *bio) if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO - "submit_bio(rw=%d,0x%lx, bi_vcnt=%u," + "submit_bio(rw=%d,0x%x, bi_vcnt=%u," " bi_sector=%llu (bytenr %llu), bi_bdev=%p)\n", bio_op(bio), bio->bi_rw, bio->bi_vcnt, (unsigned long long)bio->bi_iter.bi_sector, @@ -2986,7 +2986,7 @@ static void __btrfsic_submit_bio(struct bio *bio) if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO - "submit_bio(rw=%d,0x%lx FLUSH, bdev=%p)\n", + "submit_bio(rw=%d,0x%x FLUSH, bdev=%p)\n", bio_op(bio), bio->bi_rw, bio->bi_bdev); if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) { if ((dev_state->state->print_mask & diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 128b02b..412e582 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8173,7 +8173,7 @@ static void btrfs_end_dio_bio(struct bio *bio) if (err) btrfs_warn(BTRFS_I(dip->inode)->root->fs_info, - "direct IO failed ino %llu rw %d,%lu sector %#Lx len %u err no %d", + "direct IO failed ino %llu rw %d,%u sector %#Lx len %u err no %d", btrfs_ino(dip->inode), bio_op(bio), bio->bi_rw, (unsigned long long)bio->bi_iter.bi_sector, bio->bi_iter.bi_size, err); diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 2738413..5efb6f1 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -48,7 +48,7 @@ struct bio { struct block_device *bi_bdev; unsigned int bi_flags; /* status, command, etc */ int bi_error; - unsigned long bi_rw; /* READ/WRITE */ + unsigned int bi_rw; /* READ/WRITE */ unsigned short bi_ioprio; struct bvec_iter bi_iter; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:34:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A2A137CFF for ; Sun, 5 Jun 2016 14:34:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2AC1FAC003 for ; Sun, 5 Jun 2016 12:34:11 -0700 (PDT) X-ASG-Debug-ID: 1465155248-04cbb03568b8ac60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id YMqfpHLeOpdFADIi (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:34:09 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 97AC673058; Sun, 5 Jun 2016 19:34:08 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9n003130; Sun, 5 Jun 2016 15:34:06 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code Date: Sun, 5 Jun 2016 14:32:22 -0500 X-ASG-Orig-Subj: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code Message-Id: <1465155145-10812-43-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sun, 05 Jun 2016 19:34:08 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155249 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10659 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This patch drops the compat definition of req_op where it matches the rq_flag_bits definitions, and drops the related old and compat code that allowed users to set either the op or flags for the operation. We also then store the operation in the bi_rw/cmd_flags field similar to how we used to store the bio ioprio where it sat in the upper bits of the field. Signed-off-by: Mike Christie --- drivers/scsi/sd.c | 2 +- include/linux/bio.h | 3 --- include/linux/blk_types.h | 52 +++++++++++++++++---------------------------- include/linux/blkdev.h | 14 ++++++++---- include/linux/fs.h | 37 +++++++++++++------------------- include/trace/events/f2fs.h | 1 - 6 files changed, 46 insertions(+), 63 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index c8dc221..fad86ad 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1012,7 +1012,7 @@ static int sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) } else if (rq_data_dir(rq) == READ) { SCpnt->cmnd[0] = READ_6; } else { - scmd_printk(KERN_ERR, SCpnt, "Unknown command %d,%llx\n", + scmd_printk(KERN_ERR, SCpnt, "Unknown command %llu,%llx\n", req_op(rq), (unsigned long long) rq->cmd_flags); goto out; } diff --git a/include/linux/bio.h b/include/linux/bio.h index 35108c2..0bbb2e3 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -44,9 +44,6 @@ #define BIO_MAX_SIZE (BIO_MAX_PAGES << PAGE_SHIFT) #define BIO_MAX_SECTORS (BIO_MAX_SIZE >> 9) -#define bio_op(bio) (op_from_rq_bits((bio)->bi_rw)) -#define bio_set_op_attrs(bio, op, flags) ((bio)->bi_rw |= (op | flags)) - #define bio_prio(bio) (bio)->bi_ioprio #define bio_set_prio(bio, prio) ((bio)->bi_ioprio = prio) diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 5efb6f1..23c1ab2 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -48,7 +48,9 @@ struct bio { struct block_device *bi_bdev; unsigned int bi_flags; /* status, command, etc */ int bi_error; - unsigned int bi_rw; /* READ/WRITE */ + unsigned int bi_rw; /* bottom bits req flags, + * top bits REQ_OP + */ unsigned short bi_ioprio; struct bvec_iter bi_iter; @@ -106,6 +108,16 @@ struct bio { struct bio_vec bi_inline_vecs[0]; }; +#define BIO_OP_SHIFT (8 * sizeof(unsigned int) - REQ_OP_BITS) +#define bio_op(bio) ((bio)->bi_rw >> BIO_OP_SHIFT) + +#define bio_set_op_attrs(bio, op, op_flags) do { \ + WARN_ON(op >= (1 << REQ_OP_BITS)); \ + (bio)->bi_rw &= ((1 << BIO_OP_SHIFT) - 1); \ + (bio)->bi_rw |= ((unsigned int) (op) << BIO_OP_SHIFT); \ + (bio)->bi_rw |= op_flags; \ +} while (0) + #define BIO_RESET_BYTES offsetof(struct bio, bi_max_vecs) /* @@ -144,7 +156,6 @@ struct bio { */ enum rq_flag_bits { /* common flags */ - __REQ_WRITE, /* not set, read. set, write */ __REQ_FAILFAST_DEV, /* no driver retries of device errors */ __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */ __REQ_FAILFAST_DRIVER, /* no driver retries of driver errors */ @@ -152,9 +163,7 @@ enum rq_flag_bits { __REQ_SYNC, /* request is sync (sync write or read) */ __REQ_META, /* metadata io request */ __REQ_PRIO, /* boost priority in cfq */ - __REQ_DISCARD, /* request to discard sectors */ - __REQ_SECURE, /* secure discard (used with __REQ_DISCARD) */ - __REQ_WRITE_SAME, /* write same block many times */ + __REQ_SECURE, /* secure discard (used with REQ_OP_DISCARD) */ __REQ_NOIDLE, /* don't anticipate more IO after this one */ __REQ_INTEGRITY, /* I/O includes block integrity payload */ @@ -190,28 +199,22 @@ enum rq_flag_bits { __REQ_NR_BITS, /* stops here */ }; -#define REQ_WRITE (1ULL << __REQ_WRITE) #define REQ_FAILFAST_DEV (1ULL << __REQ_FAILFAST_DEV) #define REQ_FAILFAST_TRANSPORT (1ULL << __REQ_FAILFAST_TRANSPORT) #define REQ_FAILFAST_DRIVER (1ULL << __REQ_FAILFAST_DRIVER) #define REQ_SYNC (1ULL << __REQ_SYNC) #define REQ_META (1ULL << __REQ_META) #define REQ_PRIO (1ULL << __REQ_PRIO) -#define REQ_DISCARD (1ULL << __REQ_DISCARD) -#define REQ_WRITE_SAME (1ULL << __REQ_WRITE_SAME) #define REQ_NOIDLE (1ULL << __REQ_NOIDLE) #define REQ_INTEGRITY (1ULL << __REQ_INTEGRITY) #define REQ_FAILFAST_MASK \ (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) #define REQ_COMMON_MASK \ - (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | \ - REQ_DISCARD | REQ_WRITE_SAME | REQ_NOIDLE | REQ_FLUSH | REQ_FUA | \ - REQ_SECURE | REQ_INTEGRITY | REQ_NOMERGE) + (REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | REQ_NOIDLE | \ + REQ_FLUSH | REQ_FUA | REQ_SECURE | REQ_INTEGRITY | REQ_NOMERGE) #define REQ_CLONE_MASK REQ_COMMON_MASK -#define BIO_NO_ADVANCE_ITER_MASK (REQ_DISCARD|REQ_WRITE_SAME) - /* This mask is used for both bio and request merge checking */ #define REQ_NOMERGE_FLAGS \ (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA | REQ_FLUSH_SEQ) @@ -243,27 +246,12 @@ enum rq_flag_bits { enum req_op { REQ_OP_READ, - REQ_OP_WRITE = REQ_WRITE, - REQ_OP_DISCARD = REQ_DISCARD, - REQ_OP_WRITE_SAME = REQ_WRITE_SAME, + REQ_OP_WRITE, + REQ_OP_DISCARD, /* request to discard sectors */ + REQ_OP_WRITE_SAME, /* write same block many times */ }; -/* - * tmp cpmpat. Users used to set the write bit for all non reads, but - * we will be dropping the bitmap use for ops. Support both until - * the end of the patchset. - */ -static inline int op_from_rq_bits(u64 flags) -{ - if (flags & REQ_OP_DISCARD) - return REQ_OP_DISCARD; - else if (flags & REQ_OP_WRITE_SAME) - return REQ_OP_WRITE_SAME; - else if (flags & REQ_OP_WRITE) - return REQ_OP_WRITE; - else - return REQ_OP_READ; -} +#define REQ_OP_BITS 2 typedef unsigned int blk_qc_t; #define BLK_QC_T_NONE -1U diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 4937c05..78ae3db 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -200,8 +200,15 @@ struct request { struct request *next_rq; }; -#define req_op(req) (op_from_rq_bits((req)->cmd_flags)) -#define req_set_op(req, op) ((req)->cmd_flags |= op) +#define REQ_OP_SHIFT (8 * sizeof(u64) - REQ_OP_BITS) +#define req_op(req) ((req)->cmd_flags >> REQ_OP_SHIFT) + +#define req_set_op(req, op) do { \ + WARN_ON(op >= (1 << REQ_OP_BITS)); \ + (req)->cmd_flags &= ((1ULL << REQ_OP_SHIFT) - 1); \ + (req)->cmd_flags |= ((u64) (op) << REQ_OP_SHIFT); \ +} while (0) + #define req_set_op_attrs(req, op, flags) do { \ req_set_op(req, op); \ (req)->cmd_flags |= flags; \ @@ -604,8 +611,7 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist) -#define rq_data_dir(rq) \ - (op_is_write(op_from_rq_bits(rq->cmd_flags)) ? WRITE : READ) +#define rq_data_dir(rq) (op_is_write(req_op(rq)) ? WRITE : READ) /* * Driver can handle struct request, if it either has an old style diff --git a/include/linux/fs.h b/include/linux/fs.h index af6f3c7..ccd1664 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -152,9 +152,10 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, #define CHECK_IOVEC_ONLY -1 /* - * The below are the various read and write types that we support. Some of + * The below are the various read and write flags that we support. Some of * them include behavioral modifiers that send information down to the - * block layer and IO scheduler. Terminology: + * block layer and IO scheduler. They should be used along with a req_op. + * Terminology: * * The block layer uses device plugging to defer IO a little bit, in * the hope that we will see more IO very shortly. This increases @@ -193,19 +194,19 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, * non-volatile media on completion. * */ -#define RW_MASK REQ_WRITE +#define RW_MASK REQ_OP_WRITE #define RWA_MASK REQ_RAHEAD -#define READ 0 +#define READ REQ_OP_READ #define WRITE RW_MASK #define READA RWA_MASK -#define READ_SYNC (READ | REQ_SYNC) -#define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE) -#define WRITE_ODIRECT (WRITE | REQ_SYNC) -#define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) -#define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA) -#define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) +#define READ_SYNC REQ_SYNC +#define WRITE_SYNC (REQ_SYNC | REQ_NOIDLE) +#define WRITE_ODIRECT REQ_SYNC +#define WRITE_FLUSH (REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) +#define WRITE_FUA (REQ_SYNC | REQ_NOIDLE | REQ_FUA) +#define WRITE_FLUSH_FUA (REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) /* * Attribute flags. These should be or-ed together to figure out what @@ -2464,17 +2465,9 @@ extern void make_bad_inode(struct inode *); extern bool is_bad_inode(struct inode *); #ifdef CONFIG_BLOCK -/* - * tmp cpmpat. Users used to set the write bit for all non reads, but - * we will be dropping the bitmap use for ops. Support both until - * the end of the patchset. - */ -static inline bool op_is_write(unsigned long flags) +static inline bool op_is_write(unsigned int op) { - if (flags & (REQ_OP_WRITE | REQ_OP_WRITE_SAME | REQ_OP_DISCARD)) - return true; - else - return false; + return op == REQ_OP_READ ? false : true; } /* @@ -2482,7 +2475,7 @@ static inline bool op_is_write(unsigned long flags) */ static inline int bio_rw(struct bio *bio) { - if (op_is_write(op_from_rq_bits(bio->bi_rw))) + if (op_is_write(bio_op(bio))) return WRITE; return bio->bi_rw & RWA_MASK; @@ -2493,7 +2486,7 @@ static inline int bio_rw(struct bio *bio) */ static inline int bio_data_dir(struct bio *bio) { - return op_is_write(op_from_rq_bits(bio->bi_rw)) ? WRITE : READ; + return op_is_write(bio_op(bio)) ? WRITE : READ; } extern void check_disk_size_change(struct gendisk *disk, diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 733b896..30efa44 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -31,7 +31,6 @@ TRACE_DEFINE_ENUM(BG_GC); TRACE_DEFINE_ENUM(LFS); TRACE_DEFINE_ENUM(SSR); TRACE_DEFINE_ENUM(__REQ_RAHEAD); -TRACE_DEFINE_ENUM(__REQ_WRITE); TRACE_DEFINE_ENUM(__REQ_SYNC); TRACE_DEFINE_ENUM(__REQ_NOIDLE); TRACE_DEFINE_ENUM(__REQ_FLUSH); -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:34:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 939E97CB7 for ; Sun, 5 Jun 2016 14:34:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5379F304043 for ; Sun, 5 Jun 2016 12:34:13 -0700 (PDT) X-ASG-Debug-ID: 1465155251-04bdf05ad5b78500001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id QCbxPXbeEESWjylW (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:34:11 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DD7C9C04D2AD; Sun, 5 Jun 2016 19:34:10 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9o003130; Sun, 5 Jun 2016 15:34:08 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 43/45] block, drivers: add REQ_OP_FLUSH operation Date: Sun, 5 Jun 2016 14:32:23 -0500 X-ASG-Orig-Subj: [PATCH 43/45] block, drivers: add REQ_OP_FLUSH operation Message-Id: <1465155145-10812-44-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Sun, 05 Jun 2016 19:34:11 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155251 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15621 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie This adds a REQ_OP_FLUSH operation that is sent to request_fn based drivers by the block layer's flush code, instead of sending requests with the request->cmd_flags REQ_FLUSH bit set. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- v2. 1. Fix kbuild failures. Forgot to update ubd driver. Documentation/block/writeback_cache_control.txt | 6 +++--- arch/um/drivers/ubd_kern.c | 2 +- block/blk-flush.c | 4 ++-- drivers/block/loop.c | 4 ++-- drivers/block/nbd.c | 2 +- drivers/block/osdblk.c | 2 +- drivers/block/ps3disk.c | 4 ++-- drivers/block/skd_main.c | 2 +- drivers/block/virtio_blk.c | 2 +- drivers/block/xen-blkfront.c | 8 ++++---- drivers/ide/ide-disk.c | 2 +- drivers/md/dm.c | 2 +- drivers/mmc/card/block.c | 6 +++--- drivers/mmc/card/queue.h | 3 ++- drivers/mtd/mtd_blkdevs.c | 2 +- drivers/nvme/host/core.c | 2 +- drivers/scsi/sd.c | 7 +++---- include/linux/blk_types.h | 3 ++- include/linux/blkdev.h | 3 +++ kernel/trace/blktrace.c | 5 +++++ 20 files changed, 40 insertions(+), 31 deletions(-) diff --git a/Documentation/block/writeback_cache_control.txt b/Documentation/block/writeback_cache_control.txt index 59e0516..da70bda 100644 --- a/Documentation/block/writeback_cache_control.txt +++ b/Documentation/block/writeback_cache_control.txt @@ -73,9 +73,9 @@ doing: blk_queue_write_cache(sdkp->disk->queue, true, false); -and handle empty REQ_FLUSH requests in its prep_fn/request_fn. Note that +and handle empty REQ_OP_FLUSH requests in its prep_fn/request_fn. Note that REQ_FLUSH requests with a payload are automatically turned into a sequence -of an empty REQ_FLUSH request followed by the actual write by the block +of an empty REQ_OP_FLUSH request followed by the actual write by the block layer. For devices that also support the FUA bit the block layer needs to be told to pass through the REQ_FUA bit using: @@ -83,4 +83,4 @@ to be told to pass through the REQ_FUA bit using: and the driver must handle write requests that have the REQ_FUA bit set in prep_fn/request_fn. If the FUA bit is not natively supported the block -layer turns it into an empty REQ_FLUSH request after the actual write. +layer turns it into an empty REQ_OP_FLUSH request after the actual write. diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 17e96dc..ef6b4d9 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1286,7 +1286,7 @@ static void do_ubd_request(struct request_queue *q) req = dev->request; - if (req->cmd_flags & REQ_FLUSH) { + if (req_op(req) == REQ_OP_FLUSH) { io_req = kmalloc(sizeof(struct io_thread_req), GFP_ATOMIC); if (io_req == NULL) { diff --git a/block/blk-flush.c b/block/blk-flush.c index 9fd1f63..21f0d5b 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -29,7 +29,7 @@ * The actual execution of flush is double buffered. Whenever a request * needs to execute PRE or POSTFLUSH, it queues at * fq->flush_queue[fq->flush_pending_idx]. Once certain criteria are met, a - * flush is issued and the pending_idx is toggled. When the flush + * REQ_OP_FLUSH is issued and the pending_idx is toggled. When the flush * completes, all the requests which were pending are proceeded to the next * step. This allows arbitrary merging of different types of FLUSH/FUA * requests. @@ -330,7 +330,7 @@ static bool blk_kick_flush(struct request_queue *q, struct blk_flush_queue *fq) } flush_rq->cmd_type = REQ_TYPE_FS; - flush_rq->cmd_flags = WRITE_FLUSH | REQ_FLUSH_SEQ; + req_set_op_attrs(flush_rq, REQ_OP_FLUSH, WRITE_FLUSH | REQ_FLUSH_SEQ); flush_rq->rq_disk = first_rq->rq_disk; flush_rq->end_io = flush_end_io; diff --git a/drivers/block/loop.c b/drivers/block/loop.c index b9b737c..364d491 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -542,7 +542,7 @@ static int do_req_filebacked(struct loop_device *lo, struct request *rq) pos = ((loff_t) blk_rq_pos(rq) << 9) + lo->lo_offset; if (op_is_write(req_op(rq))) { - if (rq->cmd_flags & REQ_FLUSH) + if (req_op(rq) == REQ_OP_FLUSH) ret = lo_req_flush(lo, rq); else if (req_op(rq) == REQ_OP_DISCARD) ret = lo_discard(lo, rq, pos); @@ -1659,7 +1659,7 @@ static int loop_queue_rq(struct blk_mq_hw_ctx *hctx, if (lo->lo_state != Lo_bound) return -EIO; - if (lo->use_dio && (!(cmd->rq->cmd_flags & REQ_FLUSH) || + if (lo->use_dio && (req_op(cmd->rq) != REQ_OP_FLUSH || req_op(cmd->rq) == REQ_OP_DISCARD)) cmd->use_aio = true; else diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 6c2c28d..d6f3c93 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -284,7 +284,7 @@ static int nbd_send_req(struct nbd_device *nbd, struct request *req) type = NBD_CMD_DISC; else if (req_op(req) == REQ_OP_DISCARD) type = NBD_CMD_TRIM; - else if (req->cmd_flags & REQ_FLUSH) + else if (req_op(req) == REQ_OP_FLUSH) type = NBD_CMD_FLUSH; else if (rq_data_dir(req) == WRITE) type = NBD_CMD_WRITE; diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c index c2854a2..92900f5 100644 --- a/drivers/block/osdblk.c +++ b/drivers/block/osdblk.c @@ -321,7 +321,7 @@ static void osdblk_rq_fn(struct request_queue *q) * driver-specific, etc. */ - do_flush = rq->cmd_flags & REQ_FLUSH; + do_flush = (req_op(rq) == REQ_OP_FLUSH); do_write = (rq_data_dir(rq) == WRITE); if (!do_flush) { /* osd_flush does not use a bio */ diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index 4b7e405..acb4452 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -196,7 +196,7 @@ static void ps3disk_do_request(struct ps3_storage_device *dev, dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__); while ((req = blk_fetch_request(q))) { - if (req->cmd_flags & REQ_FLUSH) { + if (req_op(req) == REQ_OP_FLUSH) { if (ps3disk_submit_flush_request(dev, req)) break; } else if (req->cmd_type == REQ_TYPE_FS) { @@ -256,7 +256,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data) return IRQ_HANDLED; } - if (req->cmd_flags & REQ_FLUSH) { + if (req_op(req) == REQ_OP_FLUSH) { read = 0; op = "flush"; } else { diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index 910e065..5c07a23 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -597,7 +597,7 @@ static void skd_request_fn(struct request_queue *q) data_dir = rq_data_dir(req); io_flags = req->cmd_flags; - if (io_flags & REQ_FLUSH) + if (req_op(req) == REQ_OP_FLUSH) flush++; if (io_flags & REQ_FUA) diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 42758b5..18e4069 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -172,7 +172,7 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, BUG_ON(req->nr_phys_segments + 2 > vblk->sg_elems); vbr->req = req; - if (req->cmd_flags & REQ_FLUSH) { + if (req_op(req) == REQ_OP_FLUSH) { vbr->out_hdr.type = cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_FLUSH); vbr->out_hdr.sector = 0; vbr->out_hdr.ioprio = cpu_to_virtio32(vblk->vdev, req_get_ioprio(vbr->req)); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 6fd1601..3aeb25b 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -743,7 +743,7 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri * The indirect operation can only be a BLKIF_OP_READ or * BLKIF_OP_WRITE */ - BUG_ON(req->cmd_flags & (REQ_FLUSH | REQ_FUA)); + BUG_ON(req_op(req) == REQ_OP_FLUSH || req->cmd_flags & REQ_FUA); ring_req->operation = BLKIF_OP_INDIRECT; ring_req->u.indirect.indirect_op = rq_data_dir(req) ? BLKIF_OP_WRITE : BLKIF_OP_READ; @@ -755,7 +755,7 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri ring_req->u.rw.handle = info->handle; ring_req->operation = rq_data_dir(req) ? BLKIF_OP_WRITE : BLKIF_OP_READ; - if (req->cmd_flags & (REQ_FLUSH | REQ_FUA)) { + if (req_op(req) == REQ_OP_FLUSH || req->cmd_flags & REQ_FUA) { /* * Ideally we can do an unordered flush-to-disk. * In case the backend onlysupports barriers, use that. @@ -865,7 +865,7 @@ static inline bool blkif_request_flush_invalid(struct request *req, struct blkfront_info *info) { return ((req->cmd_type != REQ_TYPE_FS) || - ((req->cmd_flags & REQ_FLUSH) && + ((req_op(req) == REQ_OP_FLUSH) && !(info->feature_flush & REQ_FLUSH)) || ((req->cmd_flags & REQ_FUA) && !(info->feature_flush & REQ_FUA))); @@ -2055,7 +2055,7 @@ static int blkif_recover(struct blkfront_info *info) /* * Get the bios in the request so we can re-queue them. */ - if (copy[i].request->cmd_flags & REQ_FLUSH || + if (req_op(copy[i].request) == REQ_OP_FLUSH || req_op(copy[i].request) == REQ_OP_DISCARD || copy[i].request->cmd_flags & (REQ_FUA | REQ_SECURE)) { /* diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 05dbcce..e378ef7 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -431,7 +431,7 @@ static int idedisk_prep_fn(struct request_queue *q, struct request *rq) ide_drive_t *drive = q->queuedata; struct ide_cmd *cmd; - if (!(rq->cmd_flags & REQ_FLUSH)) + if (req_op(rq) != REQ_OP_FLUSH) return BLKPREP_OK; if (rq->special) { diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f6b104c..fcc68c8 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2171,7 +2171,7 @@ static void dm_request_fn(struct request_queue *q) /* always use block 0 to find the target for flushes for now */ pos = 0; - if (!(rq->cmd_flags & REQ_FLUSH)) + if (req_op(rq) != REQ_OP_FLUSH) pos = blk_rq_pos(rq); if ((dm_request_peeked_before_merge_deadline(md) && diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 201a871..bca20f8 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -1722,7 +1722,8 @@ static u8 mmc_blk_prep_packed_list(struct mmc_queue *mq, struct request *req) !IS_ALIGNED(blk_rq_sectors(next), 8)) break; - if (req_op(next) == REQ_OP_DISCARD || next->cmd_flags & REQ_FLUSH) + if (req_op(next) == REQ_OP_DISCARD || + req_op(next) == REQ_OP_FLUSH) break; if (rq_data_dir(cur) != rq_data_dir(next)) @@ -2147,7 +2148,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) struct mmc_card *card = md->queue.card; struct mmc_host *host = card->host; unsigned long flags; - unsigned int cmd_flags = req ? req->cmd_flags : 0; if (req && !mq->mqrq_prev->req) /* claim host only for the first request */ @@ -2171,7 +2171,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) ret = mmc_blk_issue_secdiscard_rq(mq, req); else ret = mmc_blk_issue_discard_rq(mq, req); - } else if (cmd_flags & REQ_FLUSH) { + } else if (req && req_op(req) == REQ_OP_FLUSH) { /* complete ongoing async transfer before issuing flush */ if (card->host->areq) mmc_blk_issue_rw_rq(mq, NULL); diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h index 9fb26f2..d625311 100644 --- a/drivers/mmc/card/queue.h +++ b/drivers/mmc/card/queue.h @@ -3,7 +3,8 @@ static inline bool mmc_req_is_special(struct request *req) { - return req && (req->cmd_flags & REQ_FLUSH || req_op(req) == REQ_OP_DISCARD); + return req && + (req_op(req) == REQ_OP_FLUSH || req_op(req) == REQ_OP_DISCARD); } struct request; diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 4eb9a5f..78b3eb4 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -87,7 +87,7 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, if (req->cmd_type != REQ_TYPE_FS) return -EIO; - if (req->cmd_flags & REQ_FLUSH) + if (req_op(req) == REQ_OP_FLUSH) return tr->flush(dev); if (blk_rq_pos(req) + blk_rq_cur_sectors(req) > diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 089b8b8..abdfdcf 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -290,7 +290,7 @@ int nvme_setup_cmd(struct nvme_ns *ns, struct request *req, if (req->cmd_type == REQ_TYPE_DRV_PRIV) memcpy(cmd, req->cmd, sizeof(*cmd)); - else if (req->cmd_flags & REQ_FLUSH) + else if (req_op(req) == REQ_OP_FLUSH) nvme_setup_flush(ns, cmd); else if (req_op(req) == REQ_OP_DISCARD) ret = nvme_setup_discard(ns, req, cmd); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index fad86ad..5a9db0f 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1143,12 +1143,11 @@ static int sd_init_command(struct scsi_cmnd *cmd) return sd_setup_discard_cmnd(cmd); case REQ_OP_WRITE_SAME: return sd_setup_write_same_cmnd(cmd); + case REQ_OP_FLUSH: + return sd_setup_flush_cmnd(cmd); case REQ_OP_READ: case REQ_OP_WRITE: - if (rq->cmd_flags & REQ_FLUSH) - return sd_setup_flush_cmnd(cmd); - else - return sd_setup_read_write_cmnd(cmd); + return sd_setup_read_write_cmnd(cmd); default: BUG(); } diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 23c1ab2..32d8752 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -249,9 +249,10 @@ enum req_op { REQ_OP_WRITE, REQ_OP_DISCARD, /* request to discard sectors */ REQ_OP_WRITE_SAME, /* write same block many times */ + REQ_OP_FLUSH, /* request for cache flush */ }; -#define REQ_OP_BITS 2 +#define REQ_OP_BITS 3 typedef unsigned int blk_qc_t; #define BLK_QC_T_NONE -1U diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 78ae3db..0c9f879 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -666,6 +666,9 @@ static inline bool rq_mergeable(struct request *rq) if (rq->cmd_type != REQ_TYPE_FS) return false; + if (req_op(rq) == REQ_OP_FLUSH) + return false; + if (rq->cmd_flags & REQ_NOMERGE_FLAGS) return false; diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 2d16fad..0c70fbb 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -223,6 +223,8 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, what |= MASK_TC_BIT(op_flags, FUA); if (op == REQ_OP_DISCARD) what |= BLK_TC_ACT(BLK_TC_DISCARD); + if (op == REQ_OP_FLUSH) + what |= BLK_TC_ACT(BLK_TC_FLUSH); pid = tsk->pid; if (act_log_check(bt, what, sector, pid)) @@ -1788,6 +1790,9 @@ void blk_fill_rwbs(char *rwbs, int op, u32 rw, int bytes) case REQ_OP_DISCARD: rwbs[i++] = 'D'; break; + case REQ_OP_FLUSH: + rwbs[i++] = 'F'; + break; case REQ_OP_READ: rwbs[i++] = 'R'; break; -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:34:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D3B187CE3 for ; Sun, 5 Jun 2016 14:34:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 99CAE8F8037 for ; Sun, 5 Jun 2016 12:34:15 -0700 (PDT) X-ASG-Debug-ID: 1465155254-04cbb0356ab8ac70001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id iniAamjPHBSEKVUN (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:34:14 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 992A8C01605A; Sun, 5 Jun 2016 19:34:13 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9p003130; Sun, 5 Jun 2016 15:34:10 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie , Juergen Gross Subject: [PATCH 44/45] block: do not use REQ_FLUSH for tracking flush support Date: Sun, 5 Jun 2016 14:32:24 -0500 X-ASG-Orig-Subj: [PATCH 44/45] block: do not use REQ_FLUSH for tracking flush support Message-Id: <1465155145-10812-45-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Sun, 05 Jun 2016 19:34:13 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155254 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4945 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie The last patch added a REQ_OP_FLUSH for request_fn drivers and the next patch renames REQ_FLUSH to REQ_PREFLUSH which will be used by file systems and make_request_fn drivers so they can send a write/flush combo. This patch drops xen's use of REQ_FLUSH to track if it supports REQ_OP_FLUSH requests, so REQ_FLUSH can be deleted. Signed-off-by: Mike Christie Reviewed-by: Hannes Reinecke Signed-off-by: Juergen Gross --- v7: - Fix feature_flush/fua use. v6: - Dropped parts of patch handled by Jens's QUEUE_FLAG_WC/FUA patches and modified patch to check feature_flush/fua bits. drivers/block/xen-blkfront.c | 47 ++++++++++++++++++++++---------------------- 1 file changed, 24 insertions(+), 23 deletions(-) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 3aeb25b..343ef7a 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -196,6 +196,7 @@ struct blkfront_info unsigned int nr_ring_pages; struct request_queue *rq; unsigned int feature_flush; + unsigned int feature_fua; unsigned int feature_discard:1; unsigned int feature_secdiscard:1; unsigned int discard_granularity; @@ -763,19 +764,14 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri * implement it the same way. (It's also a FLUSH+FUA, * since it is guaranteed ordered WRT previous writes.) */ - switch (info->feature_flush & - ((REQ_FLUSH|REQ_FUA))) { - case REQ_FLUSH|REQ_FUA: + if (info->feature_flush && info->feature_fua) ring_req->operation = BLKIF_OP_WRITE_BARRIER; - break; - case REQ_FLUSH: + else if (info->feature_flush) ring_req->operation = BLKIF_OP_FLUSH_DISKCACHE; - break; - default: + else ring_req->operation = 0; - } } ring_req->u.rw.nr_segments = num_grant; if (unlikely(require_extra_req)) { @@ -866,9 +862,9 @@ static inline bool blkif_request_flush_invalid(struct request *req, { return ((req->cmd_type != REQ_TYPE_FS) || ((req_op(req) == REQ_OP_FLUSH) && - !(info->feature_flush & REQ_FLUSH)) || + !info->feature_flush) || ((req->cmd_flags & REQ_FUA) && - !(info->feature_flush & REQ_FUA))); + !info->feature_fua)); } static int blkif_queue_rq(struct blk_mq_hw_ctx *hctx, @@ -985,24 +981,22 @@ static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size, return 0; } -static const char *flush_info(unsigned int feature_flush) +static const char *flush_info(struct blkfront_info *info) { - switch (feature_flush & ((REQ_FLUSH | REQ_FUA))) { - case REQ_FLUSH|REQ_FUA: + if (info->feature_flush && info->feature_fua) return "barrier: enabled;"; - case REQ_FLUSH: + else if (info->feature_flush) return "flush diskcache: enabled;"; - default: + else return "barrier or flush: disabled;"; - } } static void xlvbd_flush(struct blkfront_info *info) { - blk_queue_write_cache(info->rq, info->feature_flush & REQ_FLUSH, - info->feature_flush & REQ_FUA); + blk_queue_write_cache(info->rq, info->feature_flush ? true : false, + info->feature_fua ? true : false); pr_info("blkfront: %s: %s %s %s %s %s\n", - info->gd->disk_name, flush_info(info->feature_flush), + info->gd->disk_name, flush_info(info), "persistent grants:", info->feature_persistent ? "enabled;" : "disabled;", "indirect descriptors:", info->max_indirect_segments ? "enabled;" : "disabled;"); @@ -1621,6 +1615,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) if (unlikely(error)) { if (error == -EOPNOTSUPP) error = 0; + info->feature_fua = 0; info->feature_flush = 0; xlvbd_flush(info); } @@ -2315,6 +2310,7 @@ static void blkfront_gather_backend_features(struct blkfront_info *info) unsigned int indirect_segments; info->feature_flush = 0; + info->feature_fua = 0; err = xenbus_gather(XBT_NIL, info->xbdev->otherend, "feature-barrier", "%d", &barrier, @@ -2327,8 +2323,11 @@ static void blkfront_gather_backend_features(struct blkfront_info *info) * * If there are barriers, then we use flush. */ - if (!err && barrier) - info->feature_flush = REQ_FLUSH | REQ_FUA; + if (!err && barrier) { + info->feature_flush = 1; + info->feature_fua = 1; + } + /* * And if there is "feature-flush-cache" use that above * barriers. @@ -2337,8 +2336,10 @@ static void blkfront_gather_backend_features(struct blkfront_info *info) "feature-flush-cache", "%d", &flush, NULL); - if (!err && flush) - info->feature_flush = REQ_FLUSH; + if (!err && flush) { + info->feature_flush = 1; + info->feature_fua = 0; + } err = xenbus_gather(XBT_NIL, info->xbdev->otherend, "feature-discard", "%d", &discard, -- 2.7.2 From mchristi@redhat.com Sun Jun 5 14:34:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 115347D05 for ; Sun, 5 Jun 2016 14:34:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id B56D78F8037 for ; Sun, 5 Jun 2016 12:34:19 -0700 (PDT) X-ASG-Debug-ID: 1465155256-04bdf05ad4b78510001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id jnjI3kpQ5xEZADld (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 05 Jun 2016 12:34:16 -0700 (PDT) X-Barracuda-Envelope-From: mchristi@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E065411277A; Sun, 5 Jun 2016 19:34:15 +0000 (UTC) Received: from rh2.redhat.com (vpn-57-172.rdu2.redhat.com [10.10.57.172]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u55JWR9q003130; Sun, 5 Jun 2016 15:34:13 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 45/45] block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH Date: Sun, 5 Jun 2016 14:32:25 -0500 X-ASG-Orig-Subj: [PATCH 45/45] block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH Message-Id: <1465155145-10812-46-git-send-email-mchristi@redhat.com> In-Reply-To: <1465155145-10812-1-git-send-email-mchristi@redhat.com> References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sun, 05 Jun 2016 19:34:16 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465155256 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 40335 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: Mike Christie To avoid confusion between REQ_OP_FLUSH, which is handled by request_fn drivers, and upper layers requesting the block layer perform a flush sequence along with possibly a WRITE, this patch renames REQ_FLUSH to REQ_PREFLUSH. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- Documentation/block/writeback_cache_control.txt | 22 +++++++++++----------- Documentation/device-mapper/log-writes.txt | 10 +++++----- block/blk-core.c | 12 ++++++------ block/blk-flush.c | 16 ++++++++-------- block/blk-mq.c | 4 ++-- drivers/block/drbd/drbd_actlog.c | 4 ++-- drivers/block/drbd/drbd_main.c | 2 +- drivers/block/drbd/drbd_protocol.h | 2 +- drivers/block/drbd/drbd_receiver.c | 2 +- drivers/block/drbd/drbd_req.c | 2 +- drivers/md/bcache/journal.c | 2 +- drivers/md/bcache/request.c | 8 ++++---- drivers/md/dm-cache-target.c | 12 ++++++------ drivers/md/dm-crypt.c | 7 ++++--- drivers/md/dm-era-target.c | 4 ++-- drivers/md/dm-io.c | 2 +- drivers/md/dm-log-writes.c | 2 +- drivers/md/dm-raid1.c | 5 +++-- drivers/md/dm-region-hash.c | 4 ++-- drivers/md/dm-snap.c | 6 +++--- drivers/md/dm-stripe.c | 2 +- drivers/md/dm-thin.c | 8 ++++---- drivers/md/dm.c | 12 ++++++------ drivers/md/linear.c | 2 +- drivers/md/md.c | 2 +- drivers/md/md.h | 2 +- drivers/md/multipath.c | 2 +- drivers/md/raid0.c | 2 +- drivers/md/raid1.c | 3 ++- drivers/md/raid10.c | 2 +- drivers/md/raid5-cache.c | 2 +- drivers/md/raid5.c | 2 +- fs/btrfs/check-integrity.c | 8 ++++---- fs/jbd2/journal.c | 2 +- fs/xfs/xfs_buf.c | 2 +- include/linux/blk_types.h | 8 ++++---- include/linux/fs.h | 4 ++-- include/trace/events/f2fs.h | 2 +- kernel/trace/blktrace.c | 5 +++-- 39 files changed, 102 insertions(+), 98 deletions(-) diff --git a/Documentation/block/writeback_cache_control.txt b/Documentation/block/writeback_cache_control.txt index da70bda..8a6bdad 100644 --- a/Documentation/block/writeback_cache_control.txt +++ b/Documentation/block/writeback_cache_control.txt @@ -20,11 +20,11 @@ a forced cache flush, and the Force Unit Access (FUA) flag for requests. Explicit cache flushes ---------------------- -The REQ_FLUSH flag can be OR ed into the r/w flags of a bio submitted from +The REQ_PREFLUSH flag can be OR ed into the r/w flags of a bio submitted from the filesystem and will make sure the volatile cache of the storage device has been flushed before the actual I/O operation is started. This explicitly guarantees that previously completed write requests are on non-volatile -storage before the flagged bio starts. In addition the REQ_FLUSH flag can be +storage before the flagged bio starts. In addition the REQ_PREFLUSH flag can be set on an otherwise empty bio structure, which causes only an explicit cache flush without any dependent I/O. It is recommend to use the blkdev_issue_flush() helper for a pure cache flush. @@ -41,21 +41,21 @@ signaled after the data has been committed to non-volatile storage. Implementation details for filesystems -------------------------------------- -Filesystems can simply set the REQ_FLUSH and REQ_FUA bits and do not have to +Filesystems can simply set the REQ_PREFLUSH and REQ_FUA bits and do not have to worry if the underlying devices need any explicit cache flushing and how -the Forced Unit Access is implemented. The REQ_FLUSH and REQ_FUA flags +the Forced Unit Access is implemented. The REQ_PREFLUSH and REQ_FUA flags may both be set on a single bio. Implementation details for make_request_fn based block drivers -------------------------------------------------------------- -These drivers will always see the REQ_FLUSH and REQ_FUA bits as they sit +These drivers will always see the REQ_PREFLUSH and REQ_FUA bits as they sit directly below the submit_bio interface. For remapping drivers the REQ_FUA bits need to be propagated to underlying devices, and a global flush needs -to be implemented for bios with the REQ_FLUSH bit set. For real device -drivers that do not have a volatile cache the REQ_FLUSH and REQ_FUA bits -on non-empty bios can simply be ignored, and REQ_FLUSH requests without +to be implemented for bios with the REQ_PREFLUSH bit set. For real device +drivers that do not have a volatile cache the REQ_PREFLUSH and REQ_FUA bits +on non-empty bios can simply be ignored, and REQ_PREFLUSH requests without data can be completed successfully without doing any work. Drivers for devices with volatile caches need to implement the support for these flags themselves without any help from the block layer. @@ -65,8 +65,8 @@ Implementation details for request_fn based block drivers -------------------------------------------------------------- For devices that do not support volatile write caches there is no driver -support required, the block layer completes empty REQ_FLUSH requests before -entering the driver and strips off the REQ_FLUSH and REQ_FUA bits from +support required, the block layer completes empty REQ_PREFLUSH requests before +entering the driver and strips off the REQ_PREFLUSH and REQ_FUA bits from requests that have a payload. For devices with volatile write caches the driver needs to tell the block layer that it supports flushing caches by doing: @@ -74,7 +74,7 @@ doing: blk_queue_write_cache(sdkp->disk->queue, true, false); and handle empty REQ_OP_FLUSH requests in its prep_fn/request_fn. Note that -REQ_FLUSH requests with a payload are automatically turned into a sequence +REQ_PREFLUSH requests with a payload are automatically turned into a sequence of an empty REQ_OP_FLUSH request followed by the actual write by the block layer. For devices that also support the FUA bit the block layer needs to be told to pass through the REQ_FUA bit using: diff --git a/Documentation/device-mapper/log-writes.txt b/Documentation/device-mapper/log-writes.txt index c10f30c..f4ebcba 100644 --- a/Documentation/device-mapper/log-writes.txt +++ b/Documentation/device-mapper/log-writes.txt @@ -14,14 +14,14 @@ Log Ordering We log things in order of completion once we are sure the write is no longer in cache. This means that normal WRITE requests are not actually logged until the -next REQ_FLUSH request. This is to make it easier for userspace to replay the -log in a way that correlates to what is on disk and not what is in cache, to -make it easier to detect improper waiting/flushing. +next REQ_PREFLUSH request. This is to make it easier for userspace to replay +the log in a way that correlates to what is on disk and not what is in cache, +to make it easier to detect improper waiting/flushing. This works by attaching all WRITE requests to a list once the write completes. -Once we see a REQ_FLUSH request we splice this list onto the request and once +Once we see a REQ_PREFLUSH request we splice this list onto the request and once the FLUSH request completes we log all of the WRITEs and then the FLUSH. Only -completed WRITEs, at the time the REQ_FLUSH is issued, are added in order to +completed WRITEs, at the time the REQ_PREFLUSH is issued, are added in order to simulate the worst case scenario with regard to power failures. Consider the following example (W means write, C means complete): diff --git a/block/blk-core.c b/block/blk-core.c index c7d66c2..32a283e 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1029,7 +1029,7 @@ static bool blk_rq_should_init_elevator(struct bio *bio) * Flush requests do not use the elevator so skip initialization. * This allows a request to share the flush and elevator data. */ - if (bio->bi_rw & (REQ_FLUSH | REQ_FUA)) + if (bio->bi_rw & (REQ_PREFLUSH | REQ_FUA)) return false; return true; @@ -1736,7 +1736,7 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio) return BLK_QC_T_NONE; } - if (bio->bi_rw & (REQ_FLUSH | REQ_FUA)) { + if (bio->bi_rw & (REQ_PREFLUSH | REQ_FUA)) { spin_lock_irq(q->queue_lock); where = ELEVATOR_INSERT_FLUSH; goto get_rq; @@ -1968,9 +1968,9 @@ generic_make_request_checks(struct bio *bio) * drivers without flush support don't have to worry * about them. */ - if ((bio->bi_rw & (REQ_FLUSH | REQ_FUA)) && + if ((bio->bi_rw & (REQ_PREFLUSH | REQ_FUA)) && !test_bit(QUEUE_FLAG_WC, &q->queue_flags)) { - bio->bi_rw &= ~(REQ_FLUSH | REQ_FUA); + bio->bi_rw &= ~(REQ_PREFLUSH | REQ_FUA); if (!nr_sectors) { err = 0; goto end_io; @@ -2217,7 +2217,7 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq) */ BUG_ON(blk_queued_rq(rq)); - if (rq->cmd_flags & (REQ_FLUSH|REQ_FUA)) + if (rq->cmd_flags & (REQ_PREFLUSH | REQ_FUA)) where = ELEVATOR_INSERT_FLUSH; add_acct_request(q, rq, where); @@ -3311,7 +3311,7 @@ void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule) /* * rq is already accounted, so use raw insert */ - if (rq->cmd_flags & (REQ_FLUSH | REQ_FUA)) + if (rq->cmd_flags & (REQ_PREFLUSH | REQ_FUA)) __elv_add_request(q, rq, ELEVATOR_INSERT_FLUSH); else __elv_add_request(q, rq, ELEVATOR_INSERT_SORT_MERGE); diff --git a/block/blk-flush.c b/block/blk-flush.c index 21f0d5b..d308def 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -10,8 +10,8 @@ * optional steps - PREFLUSH, DATA and POSTFLUSH - according to the request * properties and hardware capability. * - * If a request doesn't have data, only REQ_FLUSH makes sense, which - * indicates a simple flush request. If there is data, REQ_FLUSH indicates + * If a request doesn't have data, only REQ_PREFLUSH makes sense, which + * indicates a simple flush request. If there is data, REQ_PREFLUSH indicates * that the device cache should be flushed before the data is executed, and * REQ_FUA means that the data must be on non-volatile media on request * completion. @@ -20,11 +20,11 @@ * difference. The requests are either completed immediately if there's no * data or executed as normal requests otherwise. * - * If the device has writeback cache and supports FUA, REQ_FLUSH is + * If the device has writeback cache and supports FUA, REQ_PREFLUSH is * translated to PREFLUSH but REQ_FUA is passed down directly with DATA. * - * If the device has writeback cache and doesn't support FUA, REQ_FLUSH is - * translated to PREFLUSH and REQ_FUA to POSTFLUSH. + * If the device has writeback cache and doesn't support FUA, REQ_PREFLUSH + * is translated to PREFLUSH and REQ_FUA to POSTFLUSH. * * The actual execution of flush is double buffered. Whenever a request * needs to execute PRE or POSTFLUSH, it queues at @@ -103,7 +103,7 @@ static unsigned int blk_flush_policy(unsigned long fflags, struct request *rq) policy |= REQ_FSEQ_DATA; if (fflags & (1UL << QUEUE_FLAG_WC)) { - if (rq->cmd_flags & REQ_FLUSH) + if (rq->cmd_flags & REQ_PREFLUSH) policy |= REQ_FSEQ_PREFLUSH; if (!(fflags & (1UL << QUEUE_FLAG_FUA)) && (rq->cmd_flags & REQ_FUA)) @@ -391,9 +391,9 @@ void blk_insert_flush(struct request *rq) /* * @policy now records what operations need to be done. Adjust - * REQ_FLUSH and FUA for the driver. + * REQ_PREFLUSH and FUA for the driver. */ - rq->cmd_flags &= ~REQ_FLUSH; + rq->cmd_flags &= ~REQ_PREFLUSH; if (!(fflags & (1UL << QUEUE_FLAG_FUA))) rq->cmd_flags &= ~REQ_FUA; diff --git a/block/blk-mq.c b/block/blk-mq.c index 29bcd9c..13f4603 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1247,7 +1247,7 @@ static int blk_mq_direct_issue_request(struct request *rq, blk_qc_t *cookie) static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) { const int is_sync = rw_is_sync(bio_op(bio), bio->bi_rw); - const int is_flush_fua = bio->bi_rw & (REQ_FLUSH | REQ_FUA); + const int is_flush_fua = bio->bi_rw & (REQ_PREFLUSH | REQ_FUA); struct blk_map_ctx data; struct request *rq; unsigned int request_count = 0; @@ -1344,7 +1344,7 @@ done: static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio) { const int is_sync = rw_is_sync(bio_op(bio), bio->bi_rw); - const int is_flush_fua = bio->bi_rw & (REQ_FLUSH | REQ_FUA); + const int is_flush_fua = bio->bi_rw & (REQ_PREFLUSH | REQ_FUA); struct blk_plug *plug; unsigned int request_count = 0; struct blk_map_ctx data; diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index f236a31..d524973 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -148,7 +148,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, device->md_io.error = -ENODEV; if ((op == REQ_OP_WRITE) && !test_bit(MD_NO_FUA, &device->flags)) - op_flags |= REQ_FUA | REQ_FLUSH; + op_flags |= REQ_FUA | REQ_PREFLUSH; op_flags |= REQ_SYNC | REQ_NOIDLE; bio = bio_alloc_drbd(GFP_NOIO); @@ -847,7 +847,7 @@ int __drbd_change_sync(struct drbd_device *device, sector_t sector, int size, unsigned long count = 0; sector_t esector, nr_sectors; - /* This would be an empty REQ_FLUSH, be silent. */ + /* This would be an empty REQ_PREFLUSH, be silent. */ if ((mode == SET_OUT_OF_SYNC) && size == 0) return 0; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index d55febc..2b37744 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1609,7 +1609,7 @@ static u32 bio_flags_to_wire(struct drbd_connection *connection, if (connection->agreed_pro_version >= 95) return (bio->bi_rw & REQ_SYNC ? DP_RW_SYNC : 0) | (bio->bi_rw & REQ_FUA ? DP_FUA : 0) | - (bio->bi_rw & REQ_FLUSH ? DP_FLUSH : 0) | + (bio->bi_rw & REQ_PREFLUSH ? DP_FLUSH : 0) | (bio_op(bio) == REQ_OP_DISCARD ? DP_DISCARD : 0); else return bio->bi_rw & REQ_SYNC ? DP_RW_SYNC : 0; diff --git a/drivers/block/drbd/drbd_protocol.h b/drivers/block/drbd/drbd_protocol.h index ef92453..129f8c7 100644 --- a/drivers/block/drbd/drbd_protocol.h +++ b/drivers/block/drbd/drbd_protocol.h @@ -112,7 +112,7 @@ struct p_header100 { #define DP_MAY_SET_IN_SYNC 4 #define DP_UNPLUG 8 /* not used anymore */ #define DP_FUA 16 /* equals REQ_FUA */ -#define DP_FLUSH 32 /* equals REQ_FLUSH */ +#define DP_FLUSH 32 /* equals REQ_PREFLUSH */ #define DP_DISCARD 64 /* equals REQ_DISCARD */ #define DP_SEND_RECEIVE_ACK 128 /* This is a proto B write request */ #define DP_SEND_WRITE_ACK 256 /* This is a proto C write request */ diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 6c59978..1ee0023 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -2158,7 +2158,7 @@ static unsigned long wire_flags_to_bio_flags(u32 dpf) { return (dpf & DP_RW_SYNC ? REQ_SYNC : 0) | (dpf & DP_FUA ? REQ_FUA : 0) | - (dpf & DP_FLUSH ? REQ_FLUSH : 0); + (dpf & DP_FLUSH ? REQ_PREFLUSH : 0); } static unsigned long wire_flags_to_bio_op(u32 dpf) diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 2255dcf..eef6e95 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -1132,7 +1132,7 @@ static int drbd_process_write_request(struct drbd_request *req) * replicating, in which case there is no point. */ if (unlikely(req->i.size == 0)) { /* The only size==0 bios we expect are empty flushes. */ - D_ASSERT(device, req->master_bio->bi_rw & REQ_FLUSH); + D_ASSERT(device, req->master_bio->bi_rw & REQ_PREFLUSH); if (remote) _req_mod(req, QUEUE_AS_DRBD_BARRIER); return remote; diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index a3c3b30..6925023 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -631,7 +631,7 @@ static void journal_write_unlocked(struct closure *cl) bio->bi_end_io = journal_write_endio; bio->bi_private = w; bio_set_op_attrs(bio, REQ_OP_WRITE, - REQ_SYNC|REQ_META|REQ_FLUSH|REQ_FUA); + REQ_SYNC|REQ_META|REQ_PREFLUSH|REQ_FUA); bch_bio_map(bio, w->data); trace_bcache_journal_write(bio); diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 016b0aa..69f16f4 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -205,10 +205,10 @@ static void bch_data_insert_start(struct closure *cl) return bch_data_invalidate(cl); /* - * Journal writes are marked REQ_FLUSH; if the original write was a + * Journal writes are marked REQ_PREFLUSH; if the original write was a * flush, it'll wait on the journal write. */ - bio->bi_rw &= ~(REQ_FLUSH|REQ_FUA); + bio->bi_rw &= ~(REQ_PREFLUSH|REQ_FUA); do { unsigned i; @@ -668,7 +668,7 @@ static inline struct search *search_alloc(struct bio *bio, s->iop.write_prio = 0; s->iop.error = 0; s->iop.flags = 0; - s->iop.flush_journal = (bio->bi_rw & (REQ_FLUSH|REQ_FUA)) != 0; + s->iop.flush_journal = (bio->bi_rw & (REQ_PREFLUSH|REQ_FUA)) != 0; s->iop.wq = bcache_wq; return s; @@ -920,7 +920,7 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s) bch_writeback_add(dc); s->iop.bio = bio; - if (bio->bi_rw & REQ_FLUSH) { + if (bio->bi_rw & REQ_PREFLUSH) { /* Also need to send a flush to the backing device */ struct bio *flush = bio_alloc_bioset(GFP_NOIO, 0, dc->disk.bio_split); diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 540e80e..718744d 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -788,7 +788,7 @@ static void check_if_tick_bio_needed(struct cache *cache, struct bio *bio) spin_lock_irqsave(&cache->lock, flags); if (cache->need_tick_bio && - !(bio->bi_rw & (REQ_FUA | REQ_FLUSH)) && + !(bio->bi_rw & (REQ_FUA | REQ_PREFLUSH)) && bio_op(bio) != REQ_OP_DISCARD) { pb->tick = true; cache->need_tick_bio = false; @@ -830,7 +830,7 @@ static dm_oblock_t get_bio_block(struct cache *cache, struct bio *bio) static int bio_triggers_commit(struct cache *cache, struct bio *bio) { - return bio->bi_rw & (REQ_FLUSH | REQ_FUA); + return bio->bi_rw & (REQ_PREFLUSH | REQ_FUA); } /* @@ -1069,7 +1069,7 @@ static void dec_io_migrations(struct cache *cache) static bool discard_or_flush(struct bio *bio) { return bio_op(bio) == REQ_OP_DISCARD || - bio->bi_rw & (REQ_FLUSH | REQ_FUA); + bio->bi_rw & (REQ_PREFLUSH | REQ_FUA); } static void __cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell) @@ -1614,8 +1614,8 @@ static void process_flush_bio(struct cache *cache, struct bio *bio) remap_to_cache(cache, bio, 0); /* - * REQ_FLUSH is not directed at any particular block so we don't - * need to inc_ds(). REQ_FUA's are split into a write + REQ_FLUSH + * REQ_PREFLUSH is not directed at any particular block so we don't + * need to inc_ds(). REQ_FUA's are split into a write + REQ_PREFLUSH * by dm-core. */ issue(cache, bio); @@ -1980,7 +1980,7 @@ static void process_deferred_bios(struct cache *cache) bio = bio_list_pop(&bios); - if (bio->bi_rw & REQ_FLUSH) + if (bio->bi_rw & REQ_PREFLUSH) process_flush_bio(cache, bio); else if (bio_op(bio) == REQ_OP_DISCARD) process_discard_bio(cache, &structs, bio); diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 057d19b..96dd5d7 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1911,11 +1911,12 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) struct crypt_config *cc = ti->private; /* - * If bio is REQ_FLUSH or REQ_OP_DISCARD, just bypass crypt queues. - * - for REQ_FLUSH device-mapper core ensures that no IO is in-flight + * If bio is REQ_PREFLUSH or REQ_OP_DISCARD, just bypass crypt queues. + * - for REQ_PREFLUSH device-mapper core ensures that no IO is in-flight * - for REQ_OP_DISCARD caller must use flush if IO ordering matters */ - if (unlikely(bio->bi_rw & REQ_FLUSH || bio_op(bio) == REQ_OP_DISCARD)) { + if (unlikely(bio->bi_rw & REQ_PREFLUSH || + bio_op(bio) == REQ_OP_DISCARD)) { bio->bi_bdev = cc->dev->bdev; if (bio_sectors(bio)) bio->bi_iter.bi_sector = cc->start + diff --git a/drivers/md/dm-era-target.c b/drivers/md/dm-era-target.c index 665bf32..2faf49d8 100644 --- a/drivers/md/dm-era-target.c +++ b/drivers/md/dm-era-target.c @@ -1540,9 +1540,9 @@ static int era_map(struct dm_target *ti, struct bio *bio) remap_to_origin(era, bio); /* - * REQ_FLUSH bios carry no data, so we're not interested in them. + * REQ_PREFLUSH bios carry no data, so we're not interested in them. */ - if (!(bio->bi_rw & REQ_FLUSH) && + if (!(bio->bi_rw & REQ_PREFLUSH) && (bio_data_dir(bio) == WRITE) && !metadata_current_marked(era->md, block)) { defer_bio(era, bio); diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 22e0597..0e225fd 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -380,7 +380,7 @@ static void dispatch_io(int op, int op_flags, unsigned int num_regions, */ for (i = 0; i < num_regions; i++) { *dp = old_pages; - if (where[i].count || (op_flags & REQ_FLUSH)) + if (where[i].count || (op_flags & REQ_PREFLUSH)) do_region(op, op_flags, i, where + i, dp, io); } diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 0edb8ea..b5dbf7a 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -555,7 +555,7 @@ static int log_writes_map(struct dm_target *ti, struct bio *bio) struct bio_vec bv; size_t alloc_size; int i = 0; - bool flush_bio = (bio->bi_rw & REQ_FLUSH); + bool flush_bio = (bio->bi_rw & REQ_PREFLUSH); bool fua_bio = (bio->bi_rw & REQ_FUA); bool discard_bio = (bio_op(bio) == REQ_OP_DISCARD); diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 907df2b..9f5f460 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -704,7 +704,7 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes) bio_list_init(&requeue); while ((bio = bio_list_pop(writes))) { - if ((bio->bi_rw & REQ_FLUSH) || + if ((bio->bi_rw & REQ_PREFLUSH) || (bio_op(bio) == REQ_OP_DISCARD)) { bio_list_add(&sync, bio); continue; @@ -1253,7 +1253,8 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) * We need to dec pending if this was a write. */ if (rw == WRITE) { - if (!(bio->bi_rw & REQ_FLUSH) && bio_op(bio) != REQ_OP_DISCARD) + if (!(bio->bi_rw & REQ_PREFLUSH) && + bio_op(bio) != REQ_OP_DISCARD) dm_rh_dec(ms->rh, bio_record->write_region); return error; } diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c index 3550ca7..b118134 100644 --- a/drivers/md/dm-region-hash.c +++ b/drivers/md/dm-region-hash.c @@ -398,7 +398,7 @@ void dm_rh_mark_nosync(struct dm_region_hash *rh, struct bio *bio) region_t region = dm_rh_bio_to_region(rh, bio); int recovering = 0; - if (bio->bi_rw & REQ_FLUSH) { + if (bio->bi_rw & REQ_PREFLUSH) { rh->flush_failure = 1; return; } @@ -526,7 +526,7 @@ void dm_rh_inc_pending(struct dm_region_hash *rh, struct bio_list *bios) struct bio *bio; for (bio = bios->head; bio; bio = bio->bi_next) { - if (bio->bi_rw & REQ_FLUSH || bio_op(bio) == REQ_OP_DISCARD) + if (bio->bi_rw & REQ_PREFLUSH || bio_op(bio) == REQ_OP_DISCARD) continue; rh_inc(rh, dm_rh_bio_to_region(rh, bio)); } diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 70bb0e8..69ab1ff 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1680,7 +1680,7 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio) init_tracked_chunk(bio); - if (bio->bi_rw & REQ_FLUSH) { + if (bio->bi_rw & REQ_PREFLUSH) { bio->bi_bdev = s->cow->bdev; return DM_MAPIO_REMAPPED; } @@ -1799,7 +1799,7 @@ static int snapshot_merge_map(struct dm_target *ti, struct bio *bio) init_tracked_chunk(bio); - if (bio->bi_rw & REQ_FLUSH) { + if (bio->bi_rw & REQ_PREFLUSH) { if (!dm_bio_get_target_bio_nr(bio)) bio->bi_bdev = s->origin->bdev; else @@ -2285,7 +2285,7 @@ static int origin_map(struct dm_target *ti, struct bio *bio) bio->bi_bdev = o->dev->bdev; - if (unlikely(bio->bi_rw & REQ_FLUSH)) + if (unlikely(bio->bi_rw & REQ_PREFLUSH)) return DM_MAPIO_REMAPPED; if (bio_rw(bio) != WRITE) diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index b738178..48f1c01 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -286,7 +286,7 @@ static int stripe_map(struct dm_target *ti, struct bio *bio) uint32_t stripe; unsigned target_bio_nr; - if (bio->bi_rw & REQ_FLUSH) { + if (bio->bi_rw & REQ_PREFLUSH) { target_bio_nr = dm_bio_get_target_bio_nr(bio); BUG_ON(target_bio_nr >= sc->stripes); bio->bi_bdev = sc->stripe[target_bio_nr].dev->bdev; diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 1b684cb..5f9e3d7 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -697,7 +697,7 @@ static void remap_to_origin(struct thin_c *tc, struct bio *bio) static int bio_triggers_commit(struct thin_c *tc, struct bio *bio) { - return (bio->bi_rw & (REQ_FLUSH | REQ_FUA)) && + return (bio->bi_rw & (REQ_PREFLUSH | REQ_FUA)) && dm_thin_changed_this_transaction(tc->td); } @@ -868,7 +868,7 @@ static void __inc_remap_and_issue_cell(void *context, struct bio *bio; while ((bio = bio_list_pop(&cell->bios))) { - if (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + if (bio->bi_rw & (REQ_PREFLUSH | REQ_FUA) || bio_op(bio) == REQ_OP_DISCARD) bio_list_add(&info->defer_bios, bio); else { @@ -1641,7 +1641,7 @@ static void __remap_and_issue_shared_cell(void *context, while ((bio = bio_list_pop(&cell->bios))) { if ((bio_data_dir(bio) == WRITE) || - (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + (bio->bi_rw & (REQ_PREFLUSH | REQ_FUA) || bio_op(bio) == REQ_OP_DISCARD)) bio_list_add(&info->defer_bios, bio); else { @@ -2556,7 +2556,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_SUBMITTED; } - if (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + if (bio->bi_rw & (REQ_PREFLUSH | REQ_FUA) || bio_op(bio) == REQ_OP_DISCARD) { thin_defer_bio_with_throttle(tc, bio); return DM_MAPIO_SUBMITTED; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index fcc68c8..aba7ed9 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1003,12 +1003,12 @@ static void dec_pending(struct dm_io *io, int error) if (io_error == DM_ENDIO_REQUEUE) return; - if ((bio->bi_rw & REQ_FLUSH) && bio->bi_iter.bi_size) { + if ((bio->bi_rw & REQ_PREFLUSH) && bio->bi_iter.bi_size) { /* * Preflush done for flush with data, reissue - * without REQ_FLUSH. + * without REQ_PREFLUSH. */ - bio->bi_rw &= ~REQ_FLUSH; + bio->bi_rw &= ~REQ_PREFLUSH; queue_io(md, bio); } else { /* done with normal IO or empty flush */ @@ -1477,7 +1477,7 @@ EXPORT_SYMBOL_GPL(dm_set_target_max_io_len); /* * A target may call dm_accept_partial_bio only from the map routine. It is - * allowed for all bio types except REQ_FLUSH. + * allowed for all bio types except REQ_PREFLUSH. * * dm_accept_partial_bio informs the dm that the target only wants to process * additional n_sectors sectors of the bio and the rest of the data should be @@ -1507,7 +1507,7 @@ void dm_accept_partial_bio(struct bio *bio, unsigned n_sectors) { struct dm_target_io *tio = container_of(bio, struct dm_target_io, clone); unsigned bi_size = bio->bi_iter.bi_size >> SECTOR_SHIFT; - BUG_ON(bio->bi_rw & REQ_FLUSH); + BUG_ON(bio->bi_rw & REQ_PREFLUSH); BUG_ON(bi_size > *tio->len_ptr); BUG_ON(n_sectors > bi_size); *tio->len_ptr -= bi_size - n_sectors; @@ -1795,7 +1795,7 @@ static void __split_and_process_bio(struct mapped_device *md, start_io_acct(ci.io); - if (bio->bi_rw & REQ_FLUSH) { + if (bio->bi_rw & REQ_PREFLUSH) { ci.bio = &ci.md->flush_bio; ci.sector_count = 0; error = __send_empty_flush(&ci); diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 1ad3f48..70ff888 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -221,7 +221,7 @@ static void linear_make_request(struct mddev *mddev, struct bio *bio) struct bio *split; sector_t start_sector, end_sector, data_offset; - if (unlikely(bio->bi_rw & REQ_FLUSH)) { + if (unlikely(bio->bi_rw & REQ_PREFLUSH)) { md_flush_request(mddev, bio); return; } diff --git a/drivers/md/md.c b/drivers/md/md.c index bd4844f..1f123f5 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -414,7 +414,7 @@ static void md_submit_flush_data(struct work_struct *ws) /* an empty barrier - all done */ bio_endio(bio); else { - bio->bi_rw &= ~REQ_FLUSH; + bio->bi_rw &= ~REQ_PREFLUSH; mddev->pers->make_request(mddev, bio); } diff --git a/drivers/md/md.h b/drivers/md/md.h index 2e0918f..b4f3352 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -424,7 +424,7 @@ struct mddev { /* Generic flush handling. * The last to finish preflush schedules a worker to submit - * the rest of the request (without the REQ_FLUSH flag). + * the rest of the request (without the REQ_PREFLUSH flag). */ struct bio *flush_bio; atomic_t flush_pending; diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index dd483bb..72ea98e 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -111,7 +111,7 @@ static void multipath_make_request(struct mddev *mddev, struct bio * bio) struct multipath_bh * mp_bh; struct multipath_info *multipath; - if (unlikely(bio->bi_rw & REQ_FLUSH)) { + if (unlikely(bio->bi_rw & REQ_PREFLUSH)) { md_flush_request(mddev, bio); return; } diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 051a10c..c3d4390 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -458,7 +458,7 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio) struct md_rdev *tmp_dev; struct bio *split; - if (unlikely(bio->bi_rw & REQ_FLUSH)) { + if (unlikely(bio->bi_rw & REQ_PREFLUSH)) { md_flush_request(mddev, bio); return; } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index a342723..10e53cd 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1056,7 +1056,8 @@ static void raid1_make_request(struct mddev *mddev, struct bio * bio) const int op = bio_op(bio); const int rw = bio_data_dir(bio); const unsigned long do_sync = (bio->bi_rw & REQ_SYNC); - const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA)); + const unsigned long do_flush_fua = (bio->bi_rw & + (REQ_PREFLUSH | REQ_FUA)); const unsigned long do_sec = (bio->bi_rw & REQ_SECURE); struct md_rdev *blocked_rdev; struct blk_plug_cb *cb; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 615045a..245640b 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1447,7 +1447,7 @@ static void raid10_make_request(struct mddev *mddev, struct bio *bio) struct bio *split; - if (unlikely(bio->bi_rw & REQ_FLUSH)) { + if (unlikely(bio->bi_rw & REQ_PREFLUSH)) { md_flush_request(mddev, bio); return; } diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 9265138..5504ce2 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -536,7 +536,7 @@ int r5l_handle_flush_request(struct r5l_log *log, struct bio *bio) bio_endio(bio); return 0; } - bio->bi_rw &= ~REQ_FLUSH; + bio->bi_rw &= ~REQ_PREFLUSH; return -EAGAIN; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index b9122e2..7aacf5b 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5150,7 +5150,7 @@ static void raid5_make_request(struct mddev *mddev, struct bio * bi) DEFINE_WAIT(w); bool do_prepare; - if (unlikely(bi->bi_rw & REQ_FLUSH)) { + if (unlikely(bi->bi_rw & REQ_PREFLUSH)) { int ret = r5l_handle_flush_request(conf->log, bi); if (ret == 0) diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index da944ff..ca70bc7 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -2207,7 +2207,7 @@ static void btrfsic_bio_end_io(struct bio *bp) block->dev_bytenr, block->mirror_num); next_block = block->next_in_same_bio; block->iodone_w_error = iodone_w_error; - if (block->submit_bio_bh_rw & REQ_FLUSH) { + if (block->submit_bio_bh_rw & REQ_PREFLUSH) { dev_state->last_flush_gen++; if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) @@ -2243,7 +2243,7 @@ static void btrfsic_bh_end_io(struct buffer_head *bh, int uptodate) block->dev_bytenr, block->mirror_num); block->iodone_w_error = iodone_w_error; - if (block->submit_bio_bh_rw & REQ_FLUSH) { + if (block->submit_bio_bh_rw & REQ_PREFLUSH) { dev_state->last_flush_gen++; if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) @@ -2884,7 +2884,7 @@ int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) btrfsic_process_written_block(dev_state, dev_bytenr, &bh->b_data, 1, NULL, NULL, bh, op_flags); - } else if (NULL != dev_state && (op_flags & REQ_FLUSH)) { + } else if (NULL != dev_state && (op_flags & REQ_PREFLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO @@ -2982,7 +2982,7 @@ static void __btrfsic_submit_bio(struct bio *bio) kunmap(bio->bi_io_vec[i].bv_page); } kfree(mapped_datav); - } else if (NULL != dev_state && (bio->bi_rw & REQ_FLUSH)) { + } else if (NULL != dev_state && (bio->bi_rw & REQ_PREFLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 34bc996..dc68f56 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1354,7 +1354,7 @@ static int jbd2_write_superblock(journal_t *journal, int write_flags) trace_jbd2_write_superblock(journal, write_flags); if (!(journal->j_flags & JBD2_BARRIER)) - write_flags &= ~(REQ_FUA | REQ_FLUSH); + write_flags &= ~(REQ_FUA | REQ_PREFLUSH); lock_buffer(bh); if (buffer_write_io_error(bh)) { /* diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index d8acd37..686d8f1 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1237,7 +1237,7 @@ _xfs_buf_ioapply( if (bp->b_flags & XBF_FUA) op_flags |= REQ_FUA; if (bp->b_flags & XBF_FLUSH) - op_flags |= REQ_FLUSH; + op_flags |= REQ_PREFLUSH; /* * Run the write verifier callback function if it exists. If diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 32d8752..562ab83 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -168,7 +168,7 @@ enum rq_flag_bits { __REQ_NOIDLE, /* don't anticipate more IO after this one */ __REQ_INTEGRITY, /* I/O includes block integrity payload */ __REQ_FUA, /* forced unit access */ - __REQ_FLUSH, /* request for cache flush */ + __REQ_PREFLUSH, /* request for cache flush */ /* bio only flags */ __REQ_RAHEAD, /* read ahead, can fail anytime */ @@ -212,12 +212,12 @@ enum rq_flag_bits { (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) #define REQ_COMMON_MASK \ (REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | REQ_NOIDLE | \ - REQ_FLUSH | REQ_FUA | REQ_SECURE | REQ_INTEGRITY | REQ_NOMERGE) + REQ_PREFLUSH | REQ_FUA | REQ_SECURE | REQ_INTEGRITY | REQ_NOMERGE) #define REQ_CLONE_MASK REQ_COMMON_MASK /* This mask is used for both bio and request merge checking */ #define REQ_NOMERGE_FLAGS \ - (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA | REQ_FLUSH_SEQ) + (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_PREFLUSH | REQ_FUA | REQ_FLUSH_SEQ) #define REQ_RAHEAD (1ULL << __REQ_RAHEAD) #define REQ_THROTTLED (1ULL << __REQ_THROTTLED) @@ -235,7 +235,7 @@ enum rq_flag_bits { #define REQ_PREEMPT (1ULL << __REQ_PREEMPT) #define REQ_ALLOCED (1ULL << __REQ_ALLOCED) #define REQ_COPY_USER (1ULL << __REQ_COPY_USER) -#define REQ_FLUSH (1ULL << __REQ_FLUSH) +#define REQ_PREFLUSH (1ULL << __REQ_PREFLUSH) #define REQ_FLUSH_SEQ (1ULL << __REQ_FLUSH_SEQ) #define REQ_IO_STAT (1ULL << __REQ_IO_STAT) #define REQ_MIXED_MERGE (1ULL << __REQ_MIXED_MERGE) diff --git a/include/linux/fs.h b/include/linux/fs.h index ccd1664..1830245 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -204,9 +204,9 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, #define READ_SYNC REQ_SYNC #define WRITE_SYNC (REQ_SYNC | REQ_NOIDLE) #define WRITE_ODIRECT REQ_SYNC -#define WRITE_FLUSH (REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) +#define WRITE_FLUSH (REQ_SYNC | REQ_NOIDLE | REQ_PREFLUSH) #define WRITE_FUA (REQ_SYNC | REQ_NOIDLE | REQ_FUA) -#define WRITE_FLUSH_FUA (REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) +#define WRITE_FLUSH_FUA (REQ_SYNC | REQ_NOIDLE | REQ_PREFLUSH | REQ_FUA) /* * Attribute flags. These should be or-ed together to figure out what diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 30efa44..878963a 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -33,7 +33,7 @@ TRACE_DEFINE_ENUM(SSR); TRACE_DEFINE_ENUM(__REQ_RAHEAD); TRACE_DEFINE_ENUM(__REQ_SYNC); TRACE_DEFINE_ENUM(__REQ_NOIDLE); -TRACE_DEFINE_ENUM(__REQ_FLUSH); +TRACE_DEFINE_ENUM(__REQ_PREFLUSH); TRACE_DEFINE_ENUM(__REQ_FUA); TRACE_DEFINE_ENUM(__REQ_PRIO); TRACE_DEFINE_ENUM(__REQ_META); diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 0c70fbb..03b0dd9 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -189,6 +189,7 @@ static const u32 ddir_act[2] = { BLK_TC_ACT(BLK_TC_READ), BLK_TC_ACT(BLK_TC_WRITE) }; #define BLK_TC_RAHEAD BLK_TC_AHEAD +#define BLK_TC_PREFLUSH BLK_TC_FLUSH /* The ilog2() calls fall out because they're constant */ #define MASK_TC_BIT(rw, __name) ((rw & REQ_ ## __name) << \ @@ -219,7 +220,7 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, what |= MASK_TC_BIT(op_flags, SYNC); what |= MASK_TC_BIT(op_flags, RAHEAD); what |= MASK_TC_BIT(op_flags, META); - what |= MASK_TC_BIT(op_flags, FLUSH); + what |= MASK_TC_BIT(op_flags, PREFLUSH); what |= MASK_TC_BIT(op_flags, FUA); if (op == REQ_OP_DISCARD) what |= BLK_TC_ACT(BLK_TC_DISCARD); @@ -1779,7 +1780,7 @@ void blk_fill_rwbs(char *rwbs, int op, u32 rw, int bytes) { int i = 0; - if (rw & REQ_FLUSH) + if (rw & REQ_PREFLUSH) rwbs[i++] = 'F'; switch (op) { -- 2.7.2 From fengguang.wu@intel.com Sun Jun 5 15:44:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.7 required=5.0 tests=FAKE_REPLY_C autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 431257CD3 for ; Sun, 5 Jun 2016 15:44:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C2F0DAC002 for ; Sun, 5 Jun 2016 13:44:24 -0700 (PDT) X-ASG-Debug-ID: 1465159460-04bdf05ad5b79da0001-NocioJ Received: from mga01.intel.com ([192.55.52.88]) by cuda.sgi.com with ESMTP id 6N0pODKCnKDkvBhR for ; Sun, 05 Jun 2016 13:44:20 -0700 (PDT) X-Barracuda-Envelope-From: fengguang.wu@intel.com X-Barracuda-Effective-Source-IP: UNKNOWN[192.55.52.88] X-Barracuda-Apparent-Source-IP: 192.55.52.88 X-ASG-Whitelist: Client Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP; 05 Jun 2016 13:44:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,423,1459839600"; d="gz'50?scan'50,208,50";a="116512141" Received: from bee.sh.intel.com (HELO bee) ([10.239.97.14]) by fmsmga004.fm.intel.com with ESMTP; 05 Jun 2016 13:44:16 -0700 Received: from kbuild by bee with local (Exim 4.83) (envelope-from ) id 1b9eu2-000Lu9-JQ; Mon, 06 Jun 2016 04:44:10 +0800 Date: Mon, 6 Jun 2016 04:30:07 +0800 From: kbuild test robot To: mchristi@redhat.com Cc: kbuild-all@01.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com, Mike Christie Subject: Re: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio Message-ID: <201606060411.oSFVvcx1%fengguang.wu@intel.com> X-ASG-Orig-Subj: Re: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="J/dobhs11T7y2rNN" Content-Disposition: inline In-Reply-To: <1465155145-10812-2-git-send-email-mchristi@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false X-Barracuda-Connect: UNKNOWN[192.55.52.88] X-Barracuda-Start-Time: 1465159460 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3576 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 --J/dobhs11T7y2rNN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, [auto build test ERROR on v4.7-rc1] [cannot apply to dm/for-next md/for-next next-20160603] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/mchristi-redhat-com/v8-separate-operations-from-flags-in-the-bio-request-structs/20160606-040240 config: x86_64-randconfig-i0-201623 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): In file included from include/linux/fs.h:31:0, from include/linux/genhd.h:67, from include/linux/blkdev.h:9, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: fs/ext4/crypto.c: In function 'ext4_encrypted_zeroout': include/linux/blk_types.h:194:20: warning: passing argument 1 of 'submit_bio_wait' makes pointer from integer without a cast [-Wint-conversion] #define REQ_WRITE (1ULL << __REQ_WRITE) ^ include/linux/fs.h:196:19: note: in expansion of macro 'REQ_WRITE' #define RW_MASK REQ_WRITE ^~~~~~~~~ >> include/linux/fs.h:200:17: note: in expansion of macro 'RW_MASK' #define WRITE RW_MASK ^~~~~~~ >> fs/ext4/crypto.c:442:25: note: in expansion of macro 'WRITE' err = submit_bio_wait(WRITE, bio); ^~~~~ In file included from include/linux/blkdev.h:19:0, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: include/linux/bio.h:476:12: note: expected 'struct bio *' but argument is of type 'long long unsigned int' extern int submit_bio_wait(struct bio *bio); ^~~~~~~~~~~~~~~ >> fs/ext4/crypto.c:442:9: error: too many arguments to function 'submit_bio_wait' err = submit_bio_wait(WRITE, bio); ^~~~~~~~~~~~~~~ In file included from include/linux/blkdev.h:19:0, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: include/linux/bio.h:476:12: note: declared here extern int submit_bio_wait(struct bio *bio); ^~~~~~~~~~~~~~~ vim +/submit_bio_wait +442 fs/ext4/crypto.c 36086d43 Theodore Ts'o 2015-10-03 436 "bio_add_page failed: %d", ret); 36086d43 Theodore Ts'o 2015-10-03 437 WARN_ON(1); b30ab0e0 Michael Halcrow 2015-04-12 438 bio_put(bio); 36086d43 Theodore Ts'o 2015-10-03 439 err = -EIO; b30ab0e0 Michael Halcrow 2015-04-12 440 goto errout; b30ab0e0 Michael Halcrow 2015-04-12 441 } b30ab0e0 Michael Halcrow 2015-04-12 @442 err = submit_bio_wait(WRITE, bio); 36086d43 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X-IronPort-AV: E=Sophos;i="5.26,423,1459839600"; d="gz'50?scan'50,208,50";a="116513652" Received: from bee.sh.intel.com (HELO bee) ([10.239.97.14]) by fmsmga004.fm.intel.com with ESMTP; 05 Jun 2016 13:51:57 -0700 Received: from kbuild by bee with local (Exim 4.83) (envelope-from ) id 1b9f1T-000BNH-0y; Mon, 06 Jun 2016 04:51:51 +0800 Date: Mon, 6 Jun 2016 04:37:53 +0800 From: kbuild test robot To: mchristi@redhat.com Cc: kbuild-all@01.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com, Mike Christie Subject: Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code Message-ID: <201606060429.qfDh91VE%fengguang.wu@intel.com> X-ASG-Orig-Subj: Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="0F1p//8PRICkK4MW" Content-Disposition: inline In-Reply-To: <1465155145-10812-43-git-send-email-mchristi@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false X-Barracuda-Connect: UNKNOWN[192.55.52.115] X-Barracuda-Start-Time: 1465159921 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3668 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 --0F1p//8PRICkK4MW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, [auto build test WARNING on v4.7-rc1] [cannot apply to dm/for-next md/for-next next-20160603] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/mchristi-redhat-com/v8-separate-operations-from-flags-in-the-bio-request-structs/20160606-040240 config: x86_64-randconfig-i0-201623 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/linux/genhd.h:67:0, from include/linux/blkdev.h:9, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: fs/ext4/crypto.c: In function 'ext4_encrypted_zeroout': >> include/linux/fs.h:197:19: warning: passing argument 1 of 'submit_bio_wait' makes pointer from integer without a cast [-Wint-conversion] #define RW_MASK REQ_OP_WRITE ^ include/linux/fs.h:201:17: note: in expansion of macro 'RW_MASK' #define WRITE RW_MASK ^~~~~~~ fs/ext4/crypto.c:442:25: note: in expansion of macro 'WRITE' err = submit_bio_wait(WRITE, bio); ^~~~~ In file included from include/linux/blkdev.h:19:0, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: include/linux/bio.h:471:12: note: expected 'struct bio *' but argument is of type 'int' extern int submit_bio_wait(struct bio *bio); ^~~~~~~~~~~~~~~ fs/ext4/crypto.c:442:9: error: too many arguments to function 'submit_bio_wait' err = submit_bio_wait(WRITE, bio); ^~~~~~~~~~~~~~~ In file included from include/linux/blkdev.h:19:0, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: include/linux/bio.h:471:12: note: declared here extern int submit_bio_wait(struct bio *bio); ^~~~~~~~~~~~~~~ vim +/submit_bio_wait +197 include/linux/fs.h 181 * READA Used for read-ahead operations. Lower priority, and the 182 * block layer could (in theory) choose to ignore this 183 * request if it runs into resource problems. 184 * WRITE A normal async write. Device will be plugged. 185 * WRITE_SYNC Synchronous write. Identical to WRITE, but passes down 186 * the hint that someone will be waiting on this IO 187 * shortly. The write equivalent of READ_SYNC. 188 * WRITE_ODIRECT Special case write for O_DIRECT only. 189 * WRITE_FLUSH Like WRITE_SYNC but with preceding cache flush. 190 * WRITE_FUA Like WRITE_SYNC but data is guaranteed to be on 191 * non-volatile media on completion. 192 * WRITE_FLUSH_FUA Combination of WRITE_FLUSH and FUA. 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autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EF8DD7CA4 for ; Sun, 5 Jun 2016 16:23:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id C138B8F8037 for ; Sun, 5 Jun 2016 14:23:03 -0700 (PDT) X-ASG-Debug-ID: 1465161782-04cbb0356bb8df90001-NocioJ Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by cuda.sgi.com with ESMTP id XGSmY7XcGD8bP8Sd for ; Sun, 05 Jun 2016 14:23:02 -0700 (PDT) X-Barracuda-Envelope-From: fengguang.wu@intel.com X-Barracuda-Effective-Source-IP: mga09.intel.com[134.134.136.24] X-Barracuda-Apparent-Source-IP: 134.134.136.24 X-ASG-Whitelist: Client Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 05 Jun 2016 14:23:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,423,1459839600"; d="scan'208";a="969434174" Received: from bee.sh.intel.com (HELO bee) ([10.239.97.14]) by orsmga001.jf.intel.com with ESMTP; 05 Jun 2016 14:22:58 -0700 Received: from kbuild by bee with local (Exim 4.83) (envelope-from ) id 1b9fVU-0004Zx-AI; Mon, 06 Jun 2016 05:22:52 +0800 Date: Mon, 6 Jun 2016 05:22:09 +0800 From: kbuild test robot To: mchristi@redhat.com Cc: kbuild-all@01.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com, Mike Christie Subject: Re: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio Message-ID: <201606060538.MXS5FrrY%fengguang.wu@intel.com> X-ASG-Orig-Subj: Re: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1465155145-10812-2-git-send-email-mchristi@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false X-Barracuda-Connect: mga09.intel.com[134.134.136.24] X-Barracuda-Start-Time: 1465161782 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4913 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hi, [auto build test WARNING on v4.7-rc1] [cannot apply to dm/for-next md/for-next next-20160603] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/mchristi-redhat-com/v8-separate-operations-from-flags-in-the-bio-request-structs/20160606-040240 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:232:8: sparse: attribute 'no_sanitize_address': unknown attribute >> fs/ext4/crypto.c:442:38: sparse: too many arguments for function submit_bio_wait In file included from include/linux/fs.h:31:0, from include/linux/seq_file.h:10, from include/linux/pinctrl/consumer.h:17, from include/linux/pinctrl/devinfo.h:21, from include/linux/device.h:24, from include/linux/genhd.h:64, from include/linux/blkdev.h:9, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: fs/ext4/crypto.c: In function 'ext4_encrypted_zeroout': include/linux/blk_types.h:194:20: warning: passing argument 1 of 'submit_bio_wait' makes pointer from integer without a cast [-Wint-conversion] #define REQ_WRITE (1ULL << __REQ_WRITE) ^ include/linux/fs.h:196:19: note: in expansion of macro 'REQ_WRITE' #define RW_MASK REQ_WRITE ^~~~~~~~~ include/linux/fs.h:200:17: note: in expansion of macro 'RW_MASK' #define WRITE RW_MASK ^~~~~~~ fs/ext4/crypto.c:442:25: note: in expansion of macro 'WRITE' err = submit_bio_wait(WRITE, bio); ^~~~~ In file included from include/linux/blkdev.h:19:0, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: include/linux/bio.h:476:12: note: expected 'struct bio *' but argument is of type 'long long unsigned int' extern int submit_bio_wait(struct bio *bio); ^~~~~~~~~~~~~~~ fs/ext4/crypto.c:442:9: error: too many arguments to function 'submit_bio_wait' err = submit_bio_wait(WRITE, bio); ^~~~~~~~~~~~~~~ In file included from include/linux/blkdev.h:19:0, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: include/linux/bio.h:476:12: note: declared here extern int submit_bio_wait(struct bio *bio); ^~~~~~~~~~~~~~~ vim +442 fs/ext4/crypto.c b30ab0e0 Michael Halcrow 2015-04-12 426 goto errout; b30ab0e0 Michael Halcrow 2015-04-12 427 } b30ab0e0 Michael Halcrow 2015-04-12 428 bio->bi_bdev = inode->i_sb->s_bdev; 36086d43 Theodore Ts'o 2015-10-03 429 bio->bi_iter.bi_sector = 36086d43 Theodore Ts'o 2015-10-03 430 pblk << (inode->i_sb->s_blocksize_bits - 9); 36086d43 Theodore Ts'o 2015-10-03 431 ret = bio_add_page(bio, ciphertext_page, b30ab0e0 Michael Halcrow 2015-04-12 432 inode->i_sb->s_blocksize, 0); 36086d43 Theodore Ts'o 2015-10-03 433 if (ret != inode->i_sb->s_blocksize) { 36086d43 Theodore Ts'o 2015-10-03 434 /* should never happen! */ 36086d43 Theodore Ts'o 2015-10-03 435 ext4_msg(inode->i_sb, KERN_ERR, 36086d43 Theodore Ts'o 2015-10-03 436 "bio_add_page failed: %d", ret); 36086d43 Theodore Ts'o 2015-10-03 437 WARN_ON(1); b30ab0e0 Michael Halcrow 2015-04-12 438 bio_put(bio); 36086d43 Theodore Ts'o 2015-10-03 439 err = -EIO; b30ab0e0 Michael Halcrow 2015-04-12 440 goto errout; b30ab0e0 Michael Halcrow 2015-04-12 441 } b30ab0e0 Michael Halcrow 2015-04-12 @442 err = submit_bio_wait(WRITE, bio); 36086d43 Theodore Ts'o 2015-10-03 443 if ((err == 0) && bio->bi_error) 36086d43 Theodore Ts'o 2015-10-03 444 err = -EIO; 95ea68b4 Theodore Ts'o 2015-05-31 445 bio_put(bio); b30ab0e0 Michael Halcrow 2015-04-12 446 if (err) b30ab0e0 Michael Halcrow 2015-04-12 447 goto errout; 36086d43 Theodore Ts'o 2015-10-03 448 lblk++; pblk++; b30ab0e0 Michael Halcrow 2015-04-12 449 } b30ab0e0 Michael Halcrow 2015-04-12 450 err = 0; :::::: The code at line 442 was first introduced by commit :::::: b30ab0e03407d2aa2d9316cba199c757e4bfc8ad ext4 crypto: add ext4 encryption facilities :::::: TO: Michael Halcrow :::::: CC: Theodore Ts'o --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation From fengguang.wu@intel.com Sun Jun 5 16:36:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.7 required=5.0 tests=FAKE_REPLY_C autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 60B617CA1 for ; Sun, 5 Jun 2016 16:36:38 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1FA9C304039 for ; Sun, 5 Jun 2016 14:36:34 -0700 (PDT) X-ASG-Debug-ID: 1465162593-04bdf05ad7b7ad70001-NocioJ Received: from mga01.intel.com ([192.55.52.88]) by cuda.sgi.com with ESMTP id 27uAwOZwAwKQ5cAW for ; Sun, 05 Jun 2016 14:36:33 -0700 (PDT) X-Barracuda-Envelope-From: fengguang.wu@intel.com X-Barracuda-Effective-Source-IP: UNKNOWN[192.55.52.88] X-Barracuda-Apparent-Source-IP: 192.55.52.88 X-ASG-Whitelist: Client Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP; 05 Jun 2016 14:36:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,424,1459839600"; d="gz'50?scan'50,208,50";a="822240966" Received: from bee.sh.intel.com (HELO bee) ([10.239.97.14]) by orsmga003.jf.intel.com with ESMTP; 05 Jun 2016 14:36:29 -0700 Received: from kbuild by bee with local (Exim 4.83) (envelope-from ) id 1b9fiZ-000C4w-Ok; Mon, 06 Jun 2016 05:36:23 +0800 Date: Mon, 6 Jun 2016 05:43:50 +0800 From: kbuild test robot To: mchristi@redhat.com Cc: kbuild-all@01.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com, Mike Christie Subject: Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code Message-ID: <201606060540.nWhFU0Cr%fengguang.wu@intel.com> X-ASG-Orig-Subj: Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="dDRMvlgZJXvWKvBx" Content-Disposition: inline In-Reply-To: <1465155145-10812-43-git-send-email-mchristi@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false X-Barracuda-Connect: UNKNOWN[192.55.52.88] X-Barracuda-Start-Time: 1465162593 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 964 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 --dDRMvlgZJXvWKvBx Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, [auto build test ERROR on v4.7-rc1] [cannot apply to dm/for-next md/for-next next-20160603] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/mchristi-redhat-com/v8-separate-operations-from-flags-in-the-bio-request-structs/20160606-040240 config: m32r-opsput_defconfig (attached as .config) compiler: m32r-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=m32r All errors (new ones prefixed by >>): >> ERROR: "__ucmpdi2" [drivers/scsi/sd_mod.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --dDRMvlgZJXvWKvBx Content-Type: application/octet-stream Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICKSbVFcAAy5jb25maWcAjDxrk9uost/Pr1Bl74fdqs3G9jwyqVvzASNksxZCAeTHfFE5 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cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id EE7E7AC002 for ; Sun, 5 Jun 2016 14:40:05 -0700 (PDT) X-ASG-Debug-ID: 1465162804-04bdf05ad4b7ae90001-NocioJ Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by cuda.sgi.com with ESMTP id IVWd8GYQiEUMUJ5S for ; Sun, 05 Jun 2016 14:40:04 -0700 (PDT) X-Barracuda-Envelope-From: fengguang.wu@intel.com X-Barracuda-Effective-Source-IP: mga03.intel.com[134.134.136.65] X-Barracuda-Apparent-Source-IP: 134.134.136.65 X-ASG-Whitelist: Client Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP; 05 Jun 2016 14:40:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,424,1459839600"; d="gz'50?scan'50,208,50";a="969439953" Received: from bee.sh.intel.com (HELO bee) ([10.239.97.14]) by orsmga001.jf.intel.com with ESMTP; 05 Jun 2016 14:40:00 -0700 Received: from kbuild by bee with local (Exim 4.83) (envelope-from ) id 1b9fly-000MM4-1h; Mon, 06 Jun 2016 05:39:54 +0800 Date: Mon, 6 Jun 2016 05:48:13 +0800 From: kbuild test robot To: mchristi@redhat.com Cc: kbuild-all@01.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com, Mike Christie Subject: Re: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio Message-ID: <201606060504.Kroz5DEN%fengguang.wu@intel.com> X-ASG-Orig-Subj: Re: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="azLHFNyN32YCQGCU" Content-Disposition: inline In-Reply-To: <1465155145-10812-2-git-send-email-mchristi@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false X-Barracuda-Connect: mga03.intel.com[134.134.136.65] X-Barracuda-Start-Time: 1465162804 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3868 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 --azLHFNyN32YCQGCU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, [auto build test WARNING on v4.7-rc1] [cannot apply to dm/for-next md/for-next next-20160603] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/mchristi-redhat-com/v8-separate-operations-from-flags-in-the-bio-request-structs/20160606-040240 config: i386-allyesconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): fs/ext4/crypto.c: In function 'ext4_encrypted_zeroout': >> fs/ext4/crypto.c:442:25: warning: passing argument 1 of 'submit_bio_wait' makes pointer from integer without a cast [-Wint-conversion] err = submit_bio_wait(WRITE, bio); ^ In file included from include/linux/blkdev.h:19:0, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: include/linux/bio.h:476:12: note: expected 'struct bio *' but argument is of type 'long long unsigned int' extern int submit_bio_wait(struct bio *bio); ^~~~~~~~~~~~~~~ fs/ext4/crypto.c:442:9: error: too many arguments to function 'submit_bio_wait' err = submit_bio_wait(WRITE, bio); ^~~~~~~~~~~~~~~ In file included from include/linux/blkdev.h:19:0, from fs/ext4/ext4.h:20, from fs/ext4/ext4_extents.h:22, from fs/ext4/crypto.c:37: include/linux/bio.h:476:12: note: declared here extern int submit_bio_wait(struct bio *bio); ^~~~~~~~~~~~~~~ vim +/submit_bio_wait +442 fs/ext4/crypto.c b30ab0e0 Michael Halcrow 2015-04-12 426 goto errout; b30ab0e0 Michael Halcrow 2015-04-12 427 } b30ab0e0 Michael Halcrow 2015-04-12 428 bio->bi_bdev = inode->i_sb->s_bdev; 36086d43 Theodore Ts'o 2015-10-03 429 bio->bi_iter.bi_sector = 36086d43 Theodore Ts'o 2015-10-03 430 pblk << (inode->i_sb->s_blocksize_bits - 9); 36086d43 Theodore Ts'o 2015-10-03 431 ret = bio_add_page(bio, ciphertext_page, b30ab0e0 Michael Halcrow 2015-04-12 432 inode->i_sb->s_blocksize, 0); 36086d43 Theodore Ts'o 2015-10-03 433 if (ret != inode->i_sb->s_blocksize) { 36086d43 Theodore Ts'o 2015-10-03 434 /* should never happen! */ 36086d43 Theodore Ts'o 2015-10-03 435 ext4_msg(inode->i_sb, KERN_ERR, 36086d43 Theodore Ts'o 2015-10-03 436 "bio_add_page failed: %d", ret); 36086d43 Theodore Ts'o 2015-10-03 437 WARN_ON(1); b30ab0e0 Michael Halcrow 2015-04-12 438 bio_put(bio); 36086d43 Theodore Ts'o 2015-10-03 439 err = -EIO; b30ab0e0 Michael Halcrow 2015-04-12 440 goto errout; b30ab0e0 Michael Halcrow 2015-04-12 441 } b30ab0e0 Michael Halcrow 2015-04-12 @442 err = submit_bio_wait(WRITE, bio); 36086d43 Theodore Ts'o 2015-10-03 443 if ((err == 0) && bio->bi_error) 36086d43 Theodore Ts'o 2015-10-03 444 err = -EIO; 95ea68b4 Theodore Ts'o 2015-05-31 445 bio_put(bio); b30ab0e0 Michael Halcrow 2015-04-12 446 if (err) b30ab0e0 Michael Halcrow 2015-04-12 447 goto errout; 36086d43 Theodore Ts'o 2015-10-03 448 lblk++; pblk++; b30ab0e0 Michael Halcrow 2015-04-12 449 } b30ab0e0 Michael Halcrow 2015-04-12 450 err = 0; :::::: The code at line 442 was first introduced by commit :::::: b30ab0e03407d2aa2d9316cba199c757e4bfc8ad ext4 crypto: add ext4 encryption facilities :::::: TO: Michael Halcrow :::::: CC: Theodore Ts'o --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --azLHFNyN32YCQGCU Content-Type: application/octet-stream Content-Disposition: attachment; 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17:02:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5E2818F8033 for ; Sun, 5 Jun 2016 15:02:18 -0700 (PDT) X-ASG-Debug-ID: 1465164137-04bdf05ad7b7b430001-NocioJ Received: from mga11.intel.com ([192.55.52.93]) by cuda.sgi.com with ESMTP id jNeWzXKivihHLr3W for ; Sun, 05 Jun 2016 15:02:17 -0700 (PDT) X-Barracuda-Envelope-From: fengguang.wu@intel.com X-Barracuda-Effective-Source-IP: UNKNOWN[192.55.52.93] X-Barracuda-Apparent-Source-IP: 192.55.52.93 X-ASG-Whitelist: Client Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 05 Jun 2016 15:02:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,424,1459839600"; d="gz'50?scan'50,208,50";a="981399463" Received: from bee.sh.intel.com (HELO bee) ([10.239.97.14]) by fmsmga001.fm.intel.com with ESMTP; 05 Jun 2016 15:02:11 -0700 Received: from kbuild by bee with local (Exim 4.83) (envelope-from ) id 1b9g7R-000JNW-Bf; Mon, 06 Jun 2016 06:02:05 +0800 Date: Mon, 6 Jun 2016 05:49:37 +0800 From: kbuild test robot To: mchristi@redhat.com Cc: kbuild-all@01.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com, Mike Christie Subject: Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code Message-ID: <201606060525.7bWU0DWo%fengguang.wu@intel.com> X-ASG-Orig-Subj: Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="8t9RHnE3ZwKMSgU+" Content-Disposition: inline In-Reply-To: <1465155145-10812-43-git-send-email-mchristi@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false X-Barracuda-Connect: UNKNOWN[192.55.52.93] X-Barracuda-Start-Time: 1465164137 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1969 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 --8t9RHnE3ZwKMSgU+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, [auto build test ERROR on v4.7-rc1] [cannot apply to dm/for-next md/for-next next-20160603] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/mchristi-redhat-com/v8-separate-operations-from-flags-in-the-bio-request-structs/20160606-040240 config: blackfin-BF526-EZBRD_defconfig (attached as .config) compiler: bfin-uclinux-gcc (GCC) 4.6.3 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=blackfin All errors (new ones prefixed by >>): drivers/built-in.o: In function `sd_init_command': >> drivers/scsi/sd.c:1141: undefined reference to `__ucmpdi2' vim +1141 drivers/scsi/sd.c ^1da177e Linus Torvalds 2005-04-16 1135 } ^1da177e Linus Torvalds 2005-04-16 1136 87949eee Christoph Hellwig 2014-06-28 1137 static int sd_init_command(struct scsi_cmnd *cmd) 87949eee Christoph Hellwig 2014-06-28 1138 { 87949eee Christoph Hellwig 2014-06-28 1139 struct request *rq = cmd->request; 87949eee Christoph Hellwig 2014-06-28 1140 b826ba83 Mike Christie 2016-06-05 @1141 switch (req_op(rq)) { b826ba83 Mike Christie 2016-06-05 1142 case REQ_OP_DISCARD: 87949eee Christoph Hellwig 2014-06-28 1143 return sd_setup_discard_cmnd(cmd); b826ba83 Mike Christie 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Subject)... 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 MAILTO_TO_SPAM_ADDR URI: Includes a link to a likely spammer email 0.00 HTML_MESSAGE BODY: HTML included in message 0.50 BSF_SC0_SA_TO_FROM_ADDR_MATCH Sender Address Matches Recipient Address --_000_17988D28739B7F4EBD2001FC6D9BF797116D23CFS000094intralun_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ________________________________ From: Malin Broman Sent: Monday, June 06, 2016 1:53 AM To: mal0001@utb.lund.se Subject: FYI $2m donated to you, reply to; lbettencourt97@outlook.com for details. --_000_17988D28739B7F4EBD2001FC6D9BF797116D23CFS000094intralun_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

From: Malin Broman
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To: mal0001@utb.lund.se
Subject: FYI

$2m donated to you, reply to; lbettencourt97@outlook.com for details.<= /div>

--_000_17988D28739B7F4EBD2001FC6D9BF797116D23CFS000094intralun_-- From hare@suse.de Mon Jun 6 01:12:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B08127CA0 for ; Mon, 6 Jun 2016 01:12:53 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6F7F3304032 for ; Sun, 5 Jun 2016 23:12:50 -0700 (PDT) X-ASG-Debug-ID: 1465193566-04cb6c2db9b66610001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id IJfbYEEeVLg6YAbn (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:12:47 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id C24B9AAAD; Mon, 6 Jun 2016 06:12:43 +0000 (UTC) Subject: Re: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 01/45] block/fs/drivers: remove rw argument from submit_bio References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-2-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <5755145A.3070500@suse.de> Date: Mon, 6 Jun 2016 08:12:42 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-2-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465193567 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 672 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30204 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:31 PM, mchristi@redhat.com wrote: > From: Mike Christie > > This has callers of submit_bio/submit_bio_wait set the bio->bi_rw > instead of passing it in. This makes that use the same as > generic_make_request and how we set the other bio fields. > > Signed-off-by: Mike Christie > --- Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:13:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 240507CA0 for ; Mon, 6 Jun 2016 01:13:47 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 91047AC002 for ; Sun, 5 Jun 2016 23:13:43 -0700 (PDT) X-ASG-Debug-ID: 1465193620-04cbb03569b9a390001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id 8mawPwM6Uiu3VCR8 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:13:41 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 281C1AB5D; Mon, 6 Jun 2016 06:13:40 +0000 (UTC) Subject: Re: [PATCH 02/45] block: add REQ_OP definitions and helpers To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 02/45] block: add REQ_OP definitions and helpers References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-3-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551493.5050300@suse.de> Date: Mon, 6 Jun 2016 08:13:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-3-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465193621 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 994 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30204 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:31 PM, mchristi@redhat.com wrote: > From: Mike Christie > > The following patches separate the operation (WRITE, READ, DISCARD, > etc) from the rq_flag_bits flags. This patch adds definitions for > request/bio operations (REQ_OPs) and adds request/bio accessors to > get/set the op. > > In this patch the REQ_OPs match the REQ rq_flag_bits ones > for compat reasons while all the code is converted to use the > op accessors in the set. In the last patches the op will become a > number and the accessors and helpers in this patch will be dropped > or updated. > > Signed-off-by: Mike Christie > --- Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:14:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B893C7CA0 for ; Mon, 6 Jun 2016 01:14:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 32238AC003 for ; Sun, 5 Jun 2016 23:14:44 -0700 (PDT) X-ASG-Debug-ID: 1465193681-04cb6c2db9b666b0001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id LSv57zsAkXTQ2nYo (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:14:42 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id EB62AAAAD; Mon, 6 Jun 2016 06:14:40 +0000 (UTC) Subject: Re: [PATCH 05/45] block, drivers, cgroup: use op_is_write helper instead of checking for REQ_WRITE To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 05/45] block, drivers, cgroup: use op_is_write helper instead of checking for REQ_WRITE References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-6-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <575514D0.3000609@suse.de> Date: Mon, 6 Jun 2016 08:14:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-6-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465193681 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 961 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30204 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:31 PM, mchristi@redhat.com wrote: > From: Mike Christie > > We currently set REQ_WRITE/WRITE for all non READ IOs > like discard, flush, writesame, etc. In the next patches where we > no longer set up the op as a bitmap, we will not be able to > detect a operation direction like writesame by testing if REQ_WRITE is > set. > > This patch converts the drivers and cgroup to use the > op_is_write helper. This should just cover the simple > cases. I did dm, md and bcache in their own patches > because they were more involved. > > Signed-off-by: Mike Christie > --- Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:15:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 526D67CA0 for ; Mon, 6 Jun 2016 01:15:53 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 24EFA304051 for ; Sun, 5 Jun 2016 23:15:52 -0700 (PDT) X-ASG-Debug-ID: 1465193750-04cb6c2dbbb66700001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id 1Nzqt31Cgp4YaIbL (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:15:51 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 0B36DAAAD; Mon, 6 Jun 2016 06:15:50 +0000 (UTC) Subject: Re: [PATCH 06/45] dm: use op_is_write instead of checking for REQ_WRITE To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 06/45] dm: use op_is_write instead of checking for REQ_WRITE References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-7-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551515.8060205@suse.de> Date: Mon, 6 Jun 2016 08:15:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-7-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465193751 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 888 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30204 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:31 PM, mchristi@redhat.com wrote: > From: Mike Christie > > We currently set REQ_WRITE/WRITE for all non READ IOs > like discard, flush, writesame, etc. In the next patches where we > no longer set up the op as a bitmap, we will not be able to > detect a operation direction like writesame by testing if REQ_WRITE is > set. > > This has dm use the op_is_write helper which will do the right > thing. > > Signed-off-by: Mike Christie > --- (Could probably be folded into the previous patch) Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:16:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3FB527CA0 for ; Mon, 6 Jun 2016 01:16:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id BCEE9AC003 for ; Sun, 5 Jun 2016 23:16:47 -0700 (PDT) X-ASG-Debug-ID: 1465193804-04cbb03569b9a4b0001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id BmHnG5K1UaPzAI7Q (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:16:45 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 869EBAAB6; Mon, 6 Jun 2016 06:16:44 +0000 (UTC) Subject: Re: [PATCH 07/45] bcache: use op_is_write instead of checking for REQ_WRITE To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 07/45] bcache: use op_is_write instead of checking for REQ_WRITE References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-8-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <5755154C.7030007@suse.de> Date: Mon, 6 Jun 2016 08:16:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-8-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465193805 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1041 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30204 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:31 PM, mchristi@redhat.com wrote: > From: Mike Christie > > We currently set REQ_WRITE/WRITE for all non READ IOs > like discard, flush, writesame, etc. In the next patches where we > no longer set up the op as a bitmap, we will not be able to > detect a operation direction like writesame by testing if REQ_WRITE is > set. > > This has bcache use the op_is_write helper which will do the right > thing. > > Signed-off-by: Mike Christie > --- > drivers/md/bcache/io.c | 2 +- > drivers/md/bcache/request.c | 6 +++--- > 2 files changed, 4 insertions(+), 4 deletions(-) > (Could probably folded together with the two previous patches) Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:20:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E48D57CA0 for ; Mon, 6 Jun 2016 01:20:20 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id A86CB30404E for ; Sun, 5 Jun 2016 23:20:20 -0700 (PDT) X-ASG-Debug-ID: 1465194017-04cbb03568b9a5b0001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id wDc2hSItEmpDyD50 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:20:18 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 12CC0AAAD; Mon, 6 Jun 2016 06:20:17 +0000 (UTC) Subject: Re: [PATCH 08/45] block, fs, mm, drivers: use bio set/get op accessors To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 08/45] block, fs, mm, drivers: use bio set/get op accessors References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-9-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551620.3070801@suse.de> Date: Mon, 6 Jun 2016 08:20:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-9-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465194018 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4586 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:31 PM, mchristi@redhat.com wrote: > From: Mike Christie > > This patch converts the simple bi_rw use cases in the block, > drivers, mm and fs code to set/get the bio operation using > bio_set_op_attrs/bio_op > > These should be simple one or two liner cases, so I just did them > in one patch. The next patches handle the more complicated > cases in a module per patch. > > Signed-off-by: Mike Christie > --- > > v5: > 1. Add missed crypto call. > 2. Change nfs bi_rw check to bi_op. > > block/bio.c | 13 ++++++------- > block/blk-core.c | 6 +++--- > block/blk-flush.c | 2 +- > block/blk-lib.c | 4 ++-- > block/blk-map.c | 2 +- > block/blk-merge.c | 12 ++++++------ > drivers/block/brd.c | 2 +- > drivers/block/floppy.c | 2 +- > drivers/block/pktcdvd.c | 4 ++-- > drivers/block/rsxx/dma.c | 2 +- > drivers/block/zram/zram_drv.c | 2 +- > drivers/lightnvm/rrpc.c | 6 +++--- > drivers/scsi/osd/osd_initiator.c | 8 ++++---- > drivers/staging/lustre/lustre/llite/lloop.c | 6 +++--- > fs/crypto/crypto.c | 2 +- > fs/exofs/ore.c | 2 +- > fs/ext4/page-io.c | 6 +++--- > fs/ext4/readpage.c | 2 +- > fs/jfs/jfs_logmgr.c | 4 ++-- > fs/jfs/jfs_metapage.c | 4 ++-- > fs/logfs/dev_bdev.c | 12 ++++++------ > fs/nfs/blocklayout/blocklayout.c | 4 ++-- > include/linux/bio.h | 15 ++++++++++----- > mm/page_io.c | 4 ++-- > 24 files changed, 65 insertions(+), 61 deletions(-) > [ .. ] > diff --git a/include/linux/bio.h b/include/linux/bio.h > index 09c5308..4568647 100644 > --- a/include/linux/bio.h > +++ b/include/linux/bio.h > @@ -109,18 +109,23 @@ static inline bool bio_has_data(struct bio *bio) > { > if (bio && > bio->bi_iter.bi_size && > - !(bio->bi_rw & REQ_DISCARD)) > + bio_op(bio) != REQ_OP_DISCARD) > return true; > > return false; > } > > +static inline bool bio_no_advance_iter(struct bio *bio) > +{ > + return bio_op(bio) == REQ_OP_DISCARD || bio_op(bio) == REQ_OP_WRITE_SAME; > +} > + > static inline bool bio_is_rw(struct bio *bio) > { > if (!bio_has_data(bio)) > return false; > > - if (bio->bi_rw & BIO_NO_ADVANCE_ITER_MASK) > + if (bio_no_advance_iter(bio)) > return false; > > return true; > @@ -228,7 +233,7 @@ static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter, > { > iter->bi_sector += bytes >> 9; > > - if (bio->bi_rw & BIO_NO_ADVANCE_ITER_MASK) > + if (bio_no_advance_iter(bio)) > iter->bi_size -= bytes; > else > bvec_iter_advance(bio->bi_io_vec, iter, bytes); Hmm. Can't you drop 'BIO_NO_ADVANCE_ITER_MASK' after this patch? > @@ -256,10 +261,10 @@ static inline unsigned bio_segments(struct bio *bio) > * differently: > */ > > - if (bio->bi_rw & REQ_DISCARD) > + if (bio_op(bio) == REQ_OP_DISCARD) > return 1; > > - if (bio->bi_rw & REQ_WRITE_SAME) > + if (bio_op(bio) == REQ_OP_WRITE_SAME) > return 1; > > bio_for_each_segment(bv, bio, iter) > diff --git a/mm/page_io.c b/mm/page_io.c > index 5a5fd66..dcc5d37 100644 > --- a/mm/page_io.c > +++ b/mm/page_io.c > @@ -317,7 +317,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, > ret = -ENOMEM; > goto out; > } > - bio->bi_rw = WRITE; > + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); > if (wbc->sync_mode == WB_SYNC_ALL) > bio->bi_rw |= REQ_SYNC; > count_vm_event(PSWPOUT); > @@ -370,7 +370,7 @@ int swap_readpage(struct page *page) > ret = -ENOMEM; > goto out; > } > - bio->bi_rw = READ; > + bio_set_op_attrs(bio, REQ_OP_READ, 0); > count_vm_event(PSWPIN); > submit_bio(bio); > out: > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:21:12 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BE1057CA0 for ; Mon, 6 Jun 2016 01:21:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3410CAC002 for ; Sun, 5 Jun 2016 23:21:12 -0700 (PDT) X-ASG-Debug-ID: 1465194069-04cbb0356bb9a630001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id awJy0c69BXxbQtxb (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:21:10 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 91730AAAD; Mon, 6 Jun 2016 06:21:09 +0000 (UTC) Subject: Re: [PATCH 09/45] block discard: use bio set op accessor To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 09/45] block discard: use bio set op accessor References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-10-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551655.3020306@suse.de> Date: Mon, 6 Jun 2016 08:21:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-10-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465194070 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 811 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:31 PM, mchristi@redhat.com wrote: > From: Mike Christie > > This converts the block issue discard helper and users to use > the bio_set_op_attrs accessor and only pass in the operation flags > like REQ_SEQURE. > > Signed-off-by: Mike Christie > --- > block/blk-lib.c | 13 +++++++------ > drivers/md/dm-thin.c | 2 +- > include/linux/blkdev.h | 3 ++- > 3 files changed, 10 insertions(+), 8 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:44:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6776B7CA0 for ; Mon, 6 Jun 2016 01:44:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 388CB8F8035 for ; Sun, 5 Jun 2016 23:44:04 -0700 (PDT) X-ASG-Debug-ID: 1465195441-04cb6c2dbbb67180001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id x00fySgq6TsV48sQ (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:44:02 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 41AAAAB5D; Mon, 6 Jun 2016 06:43:59 +0000 (UTC) Subject: Re: [PATCH 24/45] dm: use bio op accessors To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 24/45] dm: use bio op accessors References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-25-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551BA7.8080102@suse.de> Date: Mon, 6 Jun 2016 08:43:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-25-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465195442 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 581 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: > From: Mike Christie > > Separate the op from the rq_flag_bits and have dm > set/get the bio using bio_set_op_attrs/bio_op. > > Signed-off-by: Mike Christie > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:45:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B0C6D7CA0 for ; Mon, 6 Jun 2016 01:45:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3AC24AC004 for ; Sun, 5 Jun 2016 23:45:42 -0700 (PDT) X-ASG-Debug-ID: 1465195539-04cb6c2dbcb67230001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id KAA5aBtYm42FoVBe (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:45:40 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id D1BDFABA5; Mon, 6 Jun 2016 06:45:38 +0000 (UTC) Subject: Re: [PATCH 25/45] bcache: use bio op accessors To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 25/45] bcache: use bio op accessors References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-26-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551BF2.6060000@suse.de> Date: Mon, 6 Jun 2016 08:45:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-26-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465195540 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 986 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: > From: Mike Christie > > Separate the op from the rq_flag_bits and have bcache > set/get the bio using bio_set_op_attrs/bio_op. > > Signed-off-by: Mike Christie > --- > drivers/md/bcache/btree.c | 4 ++-- > drivers/md/bcache/debug.c | 4 ++-- > drivers/md/bcache/journal.c | 7 ++++--- > drivers/md/bcache/movinggc.c | 2 +- > drivers/md/bcache/request.c | 14 +++++++------- > drivers/md/bcache/super.c | 24 +++++++++++++----------- > drivers/md/bcache/writeback.c | 4 ++-- > 7 files changed, 31 insertions(+), 28 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:46:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 084C87CA0 for ; Mon, 6 Jun 2016 01:46:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 722C7AC007 for ; Sun, 5 Jun 2016 23:46:51 -0700 (PDT) X-ASG-Debug-ID: 1465195608-04cbb0356ab9c210001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id z1GosjrLuX2wEAh1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:46:49 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id EB4B9AB5D; Mon, 6 Jun 2016 06:46:47 +0000 (UTC) Subject: Re: [PATCH 28/45] target: use bio op accessors To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 28/45] target: use bio op accessors References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-29-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551C57.5090507@suse.de> Date: Mon, 6 Jun 2016 08:46:47 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-29-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465195608 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2865 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: > From: Mike Christie > > Separate the op from the rq_flag_bits and have the target layer > set/get the bio using bio_set_op_attrs/bio_op. > > Signed-off-by: Mike Christie > --- > drivers/target/target_core_iblock.c | 29 ++++++++++++++--------------- > drivers/target/target_core_pscsi.c | 2 +- > 2 files changed, 15 insertions(+), 16 deletions(-) > > diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c > index c25109c..22af12f 100644 > --- a/drivers/target/target_core_iblock.c > +++ b/drivers/target/target_core_iblock.c [ .. ] > @@ -689,18 +690,15 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, > * Force writethrough using WRITE_FUA if a volatile write cache > * is not enabled, or if initiator set the Force Unit Access bit. > */ > + op = REQ_OP_WRITE; > if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) { > if (cmd->se_cmd_flags & SCF_FUA) > - rw = WRITE_FUA; > + op_flags = WRITE_FUA; > else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) > - rw = WRITE_FUA; > - else > - rw = WRITE; > - } else { > - rw = WRITE; > + op_flags = WRITE_FUA; > } Wrong intendation. > } else { > - rw = READ; > + op = REQ_OP_READ; > } > > ibr = kzalloc(sizeof(struct iblock_req), GFP_KERNEL); > @@ -714,7 +712,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, > return 0; > } > > - bio = iblock_get_bio(cmd, block_lba, sgl_nents, rw); > + bio = iblock_get_bio(cmd, block_lba, sgl_nents, op, op_flags); > if (!bio) > goto fail_free_ibr; > > @@ -738,7 +736,8 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, > bio_cnt = 0; > } > > - bio = iblock_get_bio(cmd, block_lba, sg_num, rw); > + bio = iblock_get_bio(cmd, block_lba, sg_num, op, > + op_flags); > if (!bio) > goto fail_put_bios; > > diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c > index de18790..81564c8 100644 > --- a/drivers/target/target_core_pscsi.c > +++ b/drivers/target/target_core_pscsi.c > @@ -922,7 +922,7 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, > goto fail; > > if (rw) > - bio->bi_rw |= REQ_WRITE; > + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); > > pr_debug("PSCSI: Allocated bio: %p," > " dir: %s nr_vecs: %d\n", bio, > Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:50:23 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 91FCE7CA0 for ; Mon, 6 Jun 2016 01:50:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6036E8F8037 for ; Sun, 5 Jun 2016 23:50:23 -0700 (PDT) X-ASG-Debug-ID: 1465195819-04cb6c2db9b67450001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id IAE3R4DQ9q0IIb4u (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:50:20 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 79984AB5D; Mon, 6 Jun 2016 06:50:19 +0000 (UTC) Subject: Re: [PATCH 37/45] drivers: use req op accessor To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 37/45] drivers: use req op accessor References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-38-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551D2B.1090707@suse.de> Date: Mon, 6 Jun 2016 08:50:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-38-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465195820 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1406 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: > From: Mike Christie > > The req operation REQ_OP is separated from the rq_flag_bits > definition. This converts the block layer drivers to > use req_op to get the op from the request struct. > > Signed-off-by: Mike Christie > --- > drivers/block/loop.c | 6 +++--- > drivers/block/mtip32xx/mtip32xx.c | 2 +- > drivers/block/nbd.c | 2 +- > drivers/block/rbd.c | 4 ++-- > drivers/block/xen-blkfront.c | 8 +++++--- > drivers/ide/ide-floppy.c | 2 +- > drivers/md/dm.c | 2 +- > drivers/mmc/card/block.c | 7 +++---- > drivers/mmc/card/queue.c | 6 ++---- > drivers/mmc/card/queue.h | 5 ++++- > drivers/mtd/mtd_blkdevs.c | 2 +- > drivers/nvme/host/core.c | 2 +- > drivers/nvme/host/nvme.h | 4 ++-- > drivers/scsi/sd.c | 25 ++++++++++++++++--------- > 14 files changed, 43 insertions(+), 34 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:51:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id BFF777CA0 for ; Mon, 6 Jun 2016 01:51:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 824FF8F8040 for ; Sun, 5 Jun 2016 23:51:05 -0700 (PDT) X-ASG-Debug-ID: 1465195862-04bdf05ad4b86360001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id mHmnppTtNnNC4DTW (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:51:03 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 3BE25AC76; Mon, 6 Jun 2016 06:51:02 +0000 (UTC) Subject: Re: [PATCH 40/45] block: move bio io prio to a new field To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 40/45] block: move bio io prio to a new field References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-41-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551D55.8070200@suse.de> Date: Mon, 6 Jun 2016 08:51:01 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-41-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465195863 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2381 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: > From: Mike Christie > > In the next patch, we move drop the compat code and make > the op a separate value that is hidden in bi_rw. To give > the op and rq bits flags room to grow this moves prio to > its own field. > > Signed-off-by: Mike Christie > --- > include/linux/bio.h | 14 ++------------ > include/linux/blk_types.h | 5 ++--- > 2 files changed, 4 insertions(+), 15 deletions(-) > > diff --git a/include/linux/bio.h b/include/linux/bio.h > index 4568647..35108c2 100644 > --- a/include/linux/bio.h > +++ b/include/linux/bio.h > @@ -47,18 +47,8 @@ > #define bio_op(bio) (op_from_rq_bits((bio)->bi_rw)) > #define bio_set_op_attrs(bio, op, flags) ((bio)->bi_rw |= (op | flags)) > > -/* > - * upper 16 bits of bi_rw define the io priority of this bio > - */ > -#define BIO_PRIO_SHIFT (8 * sizeof(unsigned long) - IOPRIO_BITS) > -#define bio_prio(bio) ((bio)->bi_rw >> BIO_PRIO_SHIFT) > -#define bio_prio_valid(bio) ioprio_valid(bio_prio(bio)) > - > -#define bio_set_prio(bio, prio) do { \ > - WARN_ON(prio >= (1 << IOPRIO_BITS)); \ > - (bio)->bi_rw &= ((1UL << BIO_PRIO_SHIFT) - 1); \ > - (bio)->bi_rw |= ((unsigned long) (prio) << BIO_PRIO_SHIFT); \ > -} while (0) > +#define bio_prio(bio) (bio)->bi_ioprio > +#define bio_set_prio(bio, prio) ((bio)->bi_ioprio = prio) > > /* > * various member access, note that bio_data should of course not be used > diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h > index 6e60baa..2738413 100644 > --- a/include/linux/blk_types.h > +++ b/include/linux/blk_types.h > @@ -48,9 +48,8 @@ struct bio { > struct block_device *bi_bdev; > unsigned int bi_flags; /* status, command, etc */ > int bi_error; > - unsigned long bi_rw; /* bottom bits READ/WRITE, > - * top bits priority > - */ > + unsigned long bi_rw; /* READ/WRITE */ > + unsigned short bi_ioprio; > > struct bvec_iter bi_iter; > > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:51:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C2C1B7CA0 for ; Mon, 6 Jun 2016 01:51:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3C7EEAC004 for ; Sun, 5 Jun 2016 23:51:44 -0700 (PDT) X-ASG-Debug-ID: 1465195901-04cb6c2dbbb674c0001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id JNxV2IEKCJT0ZZnQ (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:51:42 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 02516AB5D; Mon, 6 Jun 2016 06:51:41 +0000 (UTC) Subject: Re: [PATCH 41/45] block, drivers, fs: shrink bi_rw from long to int To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 41/45] block, drivers, fs: shrink bi_rw from long to int References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-42-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551D7C.8000004@suse.de> Date: Mon, 6 Jun 2016 08:51:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-42-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465195901 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 860 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: > From: Mike Christie > > We don't need bi_rw to be so large on 64 bit archs, so > reduce it to unsigned int. > > Signed-off-by: Mike Christie > --- > block/blk-core.c | 2 +- > drivers/md/dm-flakey.c | 2 +- > drivers/md/raid5.c | 6 +++--- > fs/btrfs/check-integrity.c | 4 ++-- > fs/btrfs/inode.c | 2 +- > include/linux/blk_types.h | 2 +- > 6 files changed, 9 insertions(+), 9 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From hare@suse.de Mon Jun 6 01:53:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 875A67CA0 for ; Mon, 6 Jun 2016 01:53:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4970C8F8037 for ; Sun, 5 Jun 2016 23:53:07 -0700 (PDT) X-ASG-Debug-ID: 1465195984-04cb6c2dbab67540001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id W4n0Kr2VM9HeGdrM (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 05 Jun 2016 23:53:05 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 72651AB5D; Mon, 6 Jun 2016 06:53:04 +0000 (UTC) Subject: Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code To: mchristi@redhat.com, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-43-git-send-email-mchristi@redhat.com> From: Hannes Reinecke Message-ID: <57551DD0.9090703@suse.de> Date: Mon, 6 Jun 2016 08:53:04 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1465155145-10812-43-git-send-email-mchristi@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465195985 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1245 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30205 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: > From: Mike Christie > > This patch drops the compat definition of req_op where it matches > the rq_flag_bits definitions, and drops the related old and compat > code that allowed users to set either the op or flags for the operation. > > We also then store the operation in the bi_rw/cmd_flags field similar > to how we used to store the bio ioprio where it sat in the upper bits > of the field. > > Signed-off-by: Mike Christie > --- > drivers/scsi/sd.c | 2 +- > include/linux/bio.h | 3 --- > include/linux/blk_types.h | 52 +++++++++++++++++---------------------------- > include/linux/blkdev.h | 14 ++++++++---- > include/linux/fs.h | 37 +++++++++++++------------------- > include/trace/events/f2fs.h | 1 - > 6 files changed, 46 insertions(+), 63 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: F. Imend�rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N�rnberg) From jtulak@redhat.com Mon Jun 6 02:43:26 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B0D3F7CA0 for ; Mon, 6 Jun 2016 02:43:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 72E12304043 for ; Mon, 6 Jun 2016 00:43:23 -0700 (PDT) X-ASG-Debug-ID: 1465198997-04cbb03568b9efe0001-NocioJ Received: from mail-it0-f53.google.com (mail-it0-f53.google.com [209.85.214.53]) by cuda.sgi.com with ESMTP id ofdrrPjkuxdspFnm (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 06 Jun 2016 00:43:18 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-Effective-Source-IP: mail-it0-f53.google.com[209.85.214.53] X-Barracuda-Apparent-Source-IP: 209.85.214.53 Received: by mail-it0-f53.google.com with SMTP id z189so36070353itg.0 for ; Mon, 06 Jun 2016 00:43:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=c+5MD1Og7ICC7/1cbRMhf2xAAy7gj7ewMWdpLZATrHY=; b=l0NjzuaQrzjwQaHFZT9/VyLY+987yd/YP3Dqv00om80yY9EulGNi8LBG1NRR0kUDyP cWpk3w8Px6uFZLzhS4xMhAEb7kPov/6P+5MQdXbe4DsuXHDimLAhKG8+pqcSIYuvzMt+ 3SOvrlTXYxhrv63OuZx5D+Y4Y4uAmetYjti91K6KJ9eFQSqsuape/JJn5nEIVtu7BHVx Z8XbO7slqWP7AGn2P6HrMs/jiBIFzc0S6WkWmEHHo78zO/4aguyypY5hLJQ8npU1oDQ7 2ZhELklhz4UROpv+Gr1PWVRYeKzNOo4H9j5LhqoDlBoD0cLP2HLiofpiX8XZj1Cf6IY3 VpQQ== X-Gm-Message-State: ALyK8tJHw3GImdOPsioII4K0Ot4VdhtoJxiq2RoVGsziW2FymAtUoy7wn4Blgna1qnrxOE9O8c2mZVFlXX+LyLE6 X-Received: by 10.36.95.207 with SMTP id r198mr8620633itb.49.1465198997713; Mon, 06 Jun 2016 00:43:17 -0700 (PDT) MIME-Version: 1.0 Received: by 10.36.72.70 with HTTP; Mon, 6 Jun 2016 00:42:58 -0700 (PDT) In-Reply-To: <20160604003259.GV26977@dastard> References: <1461231593-31294-1-git-send-email-jtulak@redhat.com> <20160510061054.GI26977@dastard> <20160603005324.GS12670@dastard> <20160604003259.GV26977@dastard> From: Jan Tulak Date: Mon, 6 Jun 2016 09:42:58 +0200 Message-ID: Subject: Re: [PATCH 00/19 v2] mkfs cleaning To: Dave Chinner X-ASG-Orig-Subj: Re: [PATCH 00/19 v2] mkfs cleaning Cc: xfs-oss , Eric Sandeen Content-Type: multipart/alternative; boundary=001a1144b7d0c8cb1d05349739df X-Barracuda-Connect: mail-it0-f53.google.com[209.85.214.53] X-Barracuda-Start-Time: 1465198998 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6005 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30206 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message --001a1144b7d0c8cb1d05349739df Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Sat, Jun 4, 2016 at 2:32 AM, Dave Chinner wrote: > On Fri, Jun 03, 2016 at 02:09:19PM +0200, Jan Tulak wrote: > > [ > > =E2=80=8Bsnip all, another issue, unrelated to the lsunit one]=E2=80=8B > > > > > > > =E2=80=8BI realised one small glitch with conflicts watching in the cod= e in > > combination with flags. It is not regression, I think, because b=E2=80= =8Before > now, > > it was not possible to do something like -l internal=3D0,logdev=3Dsomet= hing, > > but now it should be possible. > > I think that overly complicates things. My original intent for this > work was to simplify the interface and code, not make it more > elaborate to support configurations that are theoretically possible > but completely redundant. > > i.e. '-l internal=3D0,logdev=3Dsomething' is identical in function to > '-l logdev=3Dsomething', so there is no need to specify internal=3D0. > AFAICT, therxp eis never a need to specify '-l internal=3D[0|1]' > because if '-l logdev=3D' is specified, it implies an external > log is being configured, and in every other case the log is > internal. > > > The code checks only whether an option was seen, not its value, so it > > does't know that we are in fact disabling something. I see two ways how > to > > do solve it. One is a custom conflict solving for these cases, putting > some > > if (flag1 && option2) somewhere once every argument and option is parse= d. > > But this goes against what the patchset did and moves it again out of t= he > > option table... > > > > The other way is to make a special case for flags in the > conflicts-handling > > code. Basically, I would extend the structure with something like: > > > > { .index =3D L_INTERNAL, > > .conflicts =3D { L_FILE, > > L_DEV, > > LAST_CONFLICT }, > > .conflicts_ignore_on_false=3Dtrue, // new item, shorter name to be fo= und > > What happens when you have two conflicts, on which you want to > ignore on false, the other you want to ignore on true? And where do > you draw the line? L_SU vs L_SUNIT conflict and throw an error only > when the values differ? > > =E2=80=8BYeah, that's true... let's call it feature then. Cheers, Jan=E2=80=8B --=20 Jan Tulak jtulak@redhat.com / jan@tulak.me --001a1144b7d0c8cb1d05349739df Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On Sat, Ju= n 4, 2016 at 2:32 AM, Dave Chinner <david@fromorbit.com> wrote:
On Fri, = Jun 03, 2016 at 02:09:19PM +0200, Jan Tulak wrote:
> [
> =E2=80=8Bsnip all, another issue, unrelated to the lsunit one]=E2=80= =8B
>
> >
> =E2=80=8BI realised one small glitch with conflicts watching in the co= de in
> combination with flags. It is not regression, I think, because b=E2=80= =8Before now,
> it was not possible to do something like -l internal=3D0,logdev=3Dsome= thing,
> but now it should be possible.

I think that overly complicates things. My original intent for this<= br> work was to simplify the interface and code, not make it more
elaborate to support configurations that are theoretically possible
but completely redundant.

i.e. '-l internal=3D0,logdev=3Dsomething' is identical in function = to
'-l logdev=3Dsomething', so there is no need to specify internal=3D= 0.
AFAICT, therxp eis never a need to specify '-l internal=3D[0|1]' because if '-l logdev=3D<foo>' is specified, it implies an ex= ternal
log is being configured, and in every other case the log is
internal.

> The code checks only whether an option was seen, not its value, so it<= br> > does't know that we are in fact disabling something. I see two way= s how to
> do solve it. One is a custom conflict solving for these cases, putting= some
> if (flag1 && option2) somewhere once every argument and option= is parsed.
> But this goes against what the patchset did and moves it again out of = the
> option table...
>
> The other way is to make a special case for flags in the conflicts-han= dling
> code. Basically, I would extend the structure with something like:
>
> { .index =3D L_INTERNAL,
>=C2=A0 =C2=A0.conflicts =3D { L_FILE,
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0L_DEV,
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0LAST_CONFLICT },
>=C2=A0 =C2=A0.conflicts_ignore_on_false=3Dtrue, // new item, shorter na= me to be found

What happens when you have two conflicts, on which you want to
ignore on false, the other you want to ignore on true?=C2=A0 And where do you draw the line? L_SU vs L_SUNIT conflict and throw an error only
when the values differ?

=E2=80=8BYeah,= that's true... let's call it feature then.

Cheers,
<= div class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif= ;display:inline">Jan=E2=80=8B
=C2=A0

--
=
Jan Tulak
jtulak@redhat.com=C2=A0/ jan@tulak.me

--001a1144b7d0c8cb1d05349739df-- From jtulak@redhat.com Mon Jun 6 02:55:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0D50D7CA0 for ; Mon, 6 Jun 2016 02:55:35 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id C21FA8F8037 for ; Mon, 6 Jun 2016 00:55:34 -0700 (PDT) X-ASG-Debug-ID: 1465199733-04bdf05ad7b88520001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id LbdGUBGvVpXw4hXU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 00:55:33 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 66D89C05B1DD for ; Mon, 6 Jun 2016 07:55:33 +0000 (UTC) Received: from jtulak.brq.redhat.com (jtulak.brq.redhat.com [10.34.26.85]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u567tWiH027819; Mon, 6 Jun 2016 03:55:32 -0400 From: Jan Tulak To: xfs@oss.sgi.com Cc: Jan Tulak Subject: [PATCH] mkfs: fix -l su minval Date: Mon, 6 Jun 2016 09:55:29 +0200 X-ASG-Orig-Subj: [PATCH] mkfs: fix -l su minval Message-Id: <1465199729-8622-1-git-send-email-jtulak@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Mon, 06 Jun 2016 07:55:33 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465199733 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1092 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 -l su should be in range BBTOB(1) <= L_SU <= XLOG_MAX_RECORD_BSIZE, because the upper limit is imposed by kernel on iclogbuf: stripe unit can't be bigger than the log buffer, but the log buffer can span multiple stripe units. L_SUNIT is changed in the same way. Signed-off-by: Jan Tulak --- mkfs/xfs_mkfs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 955dcfd..ed7800f 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -462,7 +462,7 @@ struct opt_params lopts = { { .index = L_SUNIT, .conflicts = { L_SU, LAST_CONFLICT }, - .minval = BTOBB(XLOG_MIN_RECORD_BSIZE), + .minval = 1, .maxval = BTOBB(XLOG_MAX_RECORD_BSIZE), .defaultval = SUBOPT_NEEDS_VAL, }, @@ -470,7 +470,7 @@ struct opt_params lopts = { .conflicts = { L_SUNIT, LAST_CONFLICT }, .convert = true, - .minval = XLOG_MIN_RECORD_BSIZE, + .minval = BBTOB(1), .maxval = XLOG_MAX_RECORD_BSIZE, .defaultval = SUBOPT_NEEDS_VAL, }, -- 2.5.5 From cmaiolino@redhat.com Mon Jun 6 06:23:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2B6EA7CA0 for ; Mon, 6 Jun 2016 06:23:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D2F858F8033 for ; Mon, 6 Jun 2016 04:23:48 -0700 (PDT) X-ASG-Debug-ID: 1465212227-04bdf05ad4b8ed60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 77tkkcrqGr0E7cO1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 04:23:47 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2C40964080 for ; Mon, 6 Jun 2016 11:23:47 +0000 (UTC) Received: from redhat.com (vpn-57-209.rdu2.redhat.com [10.10.57.209]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u56BNhZx010157 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 6 Jun 2016 07:23:46 -0400 Date: Mon, 6 Jun 2016 13:23:42 +0200 From: Carlos Maiolino To: xfs@oss.sgi.com Subject: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Message-ID: <20160606112342.GB23695@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Mail-Followup-To: xfs@oss.sgi.com References: <1464877150-20457-1-git-send-email-hch@lst.de> <1464877150-20457-4-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1464877150-20457-4-git-send-email-hch@lst.de> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 06 Jun 2016 11:23:47 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465212227 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1167 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hi hch, The patchset looks good, although I'm not quite familiar with the reflink code so, I apologize if it is a stupid question After enabling the reflink feature during mount time, I believe this will not have any problems in future mounts of this filesystem without reflink support? > index 84348af..dfa5077 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -82,7 +82,7 @@ enum { > Opt_quota, Opt_noquota, Opt_usrquota, Opt_grpquota, Opt_prjquota, > Opt_uquota, Opt_gquota, Opt_pquota, > Opt_uqnoenforce, Opt_gqnoenforce, Opt_pqnoenforce, Opt_qnoenforce, > - Opt_discard, Opt_nodiscard, Opt_dax, Opt_err, > + Opt_discard, Opt_nodiscard, Opt_reflink, Opt_dax, Opt_err, > }; > > static const match_table_t tokens = { > @@ -132,6 +132,7 @@ static const match_table_t tokens = { > {Opt_qnoenforce, "qnoenforce"}, /* same as uqnoenforce */ > {Opt_discard, "discard"}, /* Discard unused blocks */ > {Opt_nodiscard, "nodiscard"}, /* Do not discard unused blocks */ > + {Opt_reflink, "reflink"}, /* Do not discard unused blocks */ ^^^^ Also, I believe this comment is wrong!? Cheers -- Carlos From cmaiolino@redhat.com Mon Jun 6 06:29:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A73BF7CA0 for ; Mon, 6 Jun 2016 06:29:56 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 758448F8033 for ; Mon, 6 Jun 2016 04:29:56 -0700 (PDT) X-ASG-Debug-ID: 1465212594-04cb6c2db9b70240001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id MAg5wKPX2BGkl6OK (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 04:29:55 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C685350F4D for ; Mon, 6 Jun 2016 11:29:54 +0000 (UTC) Received: from redhat.com (vpn-57-209.rdu2.redhat.com [10.10.57.209]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u56BTpA1013375 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 6 Jun 2016 07:29:54 -0400 Date: Mon, 6 Jun 2016 13:29:50 +0200 From: Carlos Maiolino To: xfs@oss.sgi.com Subject: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Message-ID: <20160606112950.GC23695@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Mail-Followup-To: xfs@oss.sgi.com References: <1464877150-20457-1-git-send-email-hch@lst.de> <1464877150-20457-4-git-send-email-hch@lst.de> <20160606112342.GB23695@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160606112342.GB23695@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Mon, 06 Jun 2016 11:29:54 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465212595 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1535 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Ugh, I just realized dave and derrick had already replied, pointing issues I didn't figure out, but still I'm curious for the question I asked :) > Hi hch, > > The patchset looks good, although I'm not quite familiar with the reflink code > so, I apologize if it is a stupid question > > After enabling the reflink feature during mount time, I believe this will not > have any problems in future mounts of this filesystem without reflink support? > > > index 84348af..dfa5077 100644 > > --- a/fs/xfs/xfs_super.c > > +++ b/fs/xfs/xfs_super.c > > @@ -82,7 +82,7 @@ enum { > > Opt_quota, Opt_noquota, Opt_usrquota, Opt_grpquota, Opt_prjquota, > > Opt_uquota, Opt_gquota, Opt_pquota, > > Opt_uqnoenforce, Opt_gqnoenforce, Opt_pqnoenforce, Opt_qnoenforce, > > - Opt_discard, Opt_nodiscard, Opt_dax, Opt_err, > > + Opt_discard, Opt_nodiscard, Opt_reflink, Opt_dax, Opt_err, > > }; > > > > static const match_table_t tokens = { > > @@ -132,6 +132,7 @@ static const match_table_t tokens = { > > {Opt_qnoenforce, "qnoenforce"}, /* same as uqnoenforce */ > > {Opt_discard, "discard"}, /* Discard unused blocks */ > > {Opt_nodiscard, "nodiscard"}, /* Do not discard unused blocks */ > > + {Opt_reflink, "reflink"}, /* Do not discard unused blocks */ > ^^^^ > > Also, I believe this comment is wrong!? > > Cheers > > -- > Carlos > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From klthomps@andrew.cmu.edu Mon Jun 6 07:02:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E0F507CA0 for ; Mon, 6 Jun 2016 07:02:29 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id A16878F8040 for ; Mon, 6 Jun 2016 05:02:26 -0700 (PDT) X-ASG-Debug-ID: 1465214541-04bdf05ad4b90080001-NocioJ Received: from mail.yurmail.com (mail.yurmail.com [170.75.245.195]) by cuda.sgi.com with ESMTP id BqzUsSGGPWJZZSca (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 06 Jun 2016 05:02:21 -0700 (PDT) X-Barracuda-Envelope-From: klthomps@andrew.cmu.edu X-Barracuda-Effective-Source-IP: mail.yurmail.com[170.75.245.195] X-Barracuda-Apparent-Source-IP: 170.75.245.195 Received: from [198.186.12.34] (port=34891 helo=uoifl.com) by mail.yurmail.com with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.87) (envelope-from ) id 1b9tEV-0003dv-GG; Mon, 06 Jun 2016 07:02:16 -0500 From: Daniel Bast To: "xfs" , "Bill J Pitre" , "Cary_Lund" , "brahm" , "cmu.edu" Subject: that impressed me Date: Mon, 6 Jun 2016 15:02:04 +0300 X-ASG-Orig-Subj: that impressed me Message-ID: <000021a4c404$f55832d7$d6abc069$@andrew.cmu.edu> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_10755521.0B4031AA" X-Mailer: Microsoft Outlook 15.0 Thread-Index: AdG8KkZCbFuNqTVRSN1EUqJBDRD1sA== Content-Language: en-us X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - mail.yurmail.com X-AntiAbuse: Original Domain - oss.sgi.com X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - andrew.cmu.edu X-Get-Message-Sender-Via: mail.yurmail.com: authenticated_id: staff@schulmanlaw.com X-Authenticated-Sender: mail.yurmail.com: staff@schulmanlaw.com X-Source: X-Source-Args: X-Source-Dir: X-Barracuda-Connect: mail.yurmail.com[170.75.245.195] X-Barracuda-Start-Time: 1465214541 X-Barracuda-Encrypted: DHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2956 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.01 X-Barracuda-Spam-Status: No, SCORE=0.01 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE, THREAD_INDEX X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30210 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.00 HTML_MESSAGE BODY: HTML included in message This is a multipart message in MIME format. ------=_NextPart_000_0001_10755521.0B4031AA Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hey, We've got some great news for you! 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------=_NextPart_000_0001_10755521.0B4031AA-- From mstsxfx@gmail.com Mon Jun 6 07:20:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 09ED57CA0 for ; Mon, 6 Jun 2016 07:20:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id CFD838F8049 for ; Mon, 6 Jun 2016 05:20:31 -0700 (PDT) X-ASG-Debug-ID: 1465215625-04cbb03569ba8d90001-NocioJ Received: from mail-wm0-f50.google.com (mail-wm0-f50.google.com [74.125.82.50]) by cuda.sgi.com with ESMTP id tNfxSBbrSpoivkhf (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 06 Jun 2016 05:20:26 -0700 (PDT) X-Barracuda-Envelope-From: mstsxfx@gmail.com X-Barracuda-Effective-Source-IP: mail-wm0-f50.google.com[74.125.82.50] X-Barracuda-Apparent-Source-IP: 74.125.82.50 Received: by mail-wm0-f50.google.com with SMTP id k184so3790737wme.1 for ; Mon, 06 Jun 2016 05:20:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=lvjaUrPuh7dpW2vdXuhqeuBgp0DnRQnaSVz+hsRu+5I=; b=TfP4iABgiP0Ci/Y1itWZjToLsbBuvPjgyXJ2Udh7rjU/HzKDTR50s4SZUlwzMuuvsN yj9w4XAwYNOsvi1siS6y2Tvf0MvBRhWf0RBwmBkiC5XPse/KhJBLbkVcYADt8mBTZYph KFI4KJM8rdr8gu5GZuBel+R+TXi63vkZCercrnaSLXGsIlPv0Xsgi33avv/RAakBpe91 sJu5dXesZmSmluEGjxOUhOlMjwrxjPF1c6EaIcBI9Nu/Dg94av7Z4R4tWtNzy4Mj6UIA 4NzOuwvLruCpa6H8mpqGlR+A+xXQl4nSC8VimUSuznsnySVxgu70ob2/d2poajU8DYAz wI1A== X-Gm-Message-State: ALyK8tIm1YxsnorrCtUQF6iiWLy9ujPClxt1tTttYbJvwuZI+xcLgk1kzOd4jWFTZYVQCA== X-Received: by 10.194.201.162 with SMTP id kb2mr17098965wjc.55.1465215624530; Mon, 06 Jun 2016 05:20:24 -0700 (PDT) Received: from localhost (nat1.scz.suse.com. [213.151.88.250]) by smtp.gmail.com with ESMTPSA id f186sm13978082wma.13.2016.06.06.05.20.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 06 Jun 2016 05:20:23 -0700 (PDT) Date: Mon, 6 Jun 2016 14:20:22 +0200 From: Michal Hocko To: Dave Chinner Cc: Peter Zijlstra , "Darrick J. Wong" , Qu Wenruo , xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: Xfs lockdep warning with for-dave-for-4.6 branch Message-ID: <20160606122022.GH11895@dhcp22.suse.cz> X-ASG-Orig-Subj: Re: Xfs lockdep warning with for-dave-for-4.6 branch References: <20160517144912.GZ3193@twins.programming.kicks-ass.net> <20160517223549.GV26977@dastard> <20160519081146.GS3193@twins.programming.kicks-ass.net> <20160520001714.GC26977@dastard> <20160601131758.GO26601@dhcp22.suse.cz> <20160601181617.GV3190@twins.programming.kicks-ass.net> <20160602145048.GS1995@dhcp22.suse.cz> <20160602151116.GD3190@twins.programming.kicks-ass.net> <20160602154619.GU1995@dhcp22.suse.cz> <20160602232254.GR12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160602232254.GR12670@dastard> User-Agent: Mutt/1.6.0 (2016-04-01) X-Barracuda-Connect: mail-wm0-f50.google.com[74.125.82.50] X-Barracuda-Start-Time: 1465215626 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2681 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30211 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri 03-06-16 09:22:54, Dave Chinner wrote: > On Thu, Jun 02, 2016 at 05:46:19PM +0200, Michal Hocko wrote: > > On Thu 02-06-16 17:11:16, Peter Zijlstra wrote: > > > With scope I mostly meant the fact that you have two calls that you need > > > to pair up. That's not really nice as you can 'annotate' a _lot_ of code > > > in between. I prefer the narrower annotations where you annotate a > > > single specific site. > > > > Yes, I can see you point. What I meant to say is that we would most > > probably end up with the following pattern > > lockdep_trace_alloc_enable() > > some_foo_with_alloc(gfp_mask); > > lockdep_trace_alloc_disable() > > > > and some_foo_with_alloc might be a lot of code. > > That's the problem I see with this - the only way to make it > maintainable is to precede each enable/disable() pair with a comment > explaining *exactly* what those calls are protecting. And that, in > itself, becomes a maintenance problem, because then code several > layers deep has no idea what context it is being called from and we > are likely to disable warnings in contexts where we probably > shouldn't be. I am not sure I understand what you mean here. I thought the problem is that: func_A (!trans. context) func_B (trans. context) foo1() foo2() bar(inode, GFP_KERNEL) bar(inode, GFP_NOFS) so bar(inode, gfp) can be called from two different contexts which would confuse the lockdep. And the workaround would be annotating bar depending on the context it is called from - either pass a special gfp flag or do disable/enable thing. In both cases that anotation should be global for the whole func_A, no? Or is it possible that something in that path would really need a reclaim lockdep detection? > I think such an annotation approach really requires per-alloc site > annotation, the reason for it should be more obvious from the > context. e.g. any function that does memory alloc and takes an > optional transaction context needs annotation. Hence, from an XFS > perspective, I think it makes more sense to add a new KM_ flag to > indicate this call site requirement, then jump through whatever > lockdep hoop is required within the kmem_* allocation wrappers. > e.g, we can ignore the new KM_* flag if we are in a transaction > context and so the flag is only activated in the situations were > we currently enforce an external GFP_NOFS context from the call > site..... Hmm, I thought we would achive this by using the scope GFP_NOFS usage which would mark those transaction related conctexts and no lockdep specific workarounds would be needed... -- Michal Hocko SUSE Labs From jtulak@redhat.com Mon Jun 6 08:09:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C00FA7CA0 for ; Mon, 6 Jun 2016 08:09:04 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 935018F8037 for ; Mon, 6 Jun 2016 06:09:01 -0700 (PDT) X-ASG-Debug-ID: 1465218539-04cb6c2dbbb72c70001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id xBJd0iI2aCHZH8VV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 06:09:00 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CF659B0439 for ; Mon, 6 Jun 2016 13:08:59 +0000 (UTC) Received: from jtulak.brq.redhat.com (jtulak.brq.redhat.com [10.34.26.85]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u56D8wBq015969; Mon, 6 Jun 2016 09:08:59 -0400 From: Jan Tulak To: xfs@oss.sgi.com Cc: Jan Tulak Subject: [PATCH] mkfs: update manpage for -i size Date: Mon, 6 Jun 2016 15:08:51 +0200 X-ASG-Orig-Subj: [PATCH] mkfs: update manpage for -i size Message-Id: <1465218531-16192-1-git-send-email-jtulak@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Mon, 06 Jun 2016 13:08:59 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465218540 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 681 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Adding CRC changed the minimum size for inode size from 256 to 512 bytes, but it is not mentioned in the man page. Signed-off-by: Jan Tulak --- man/man8/mkfs.xfs.8 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8 index 980b0e1..c3629d9 100644 --- a/man/man8/mkfs.xfs.8 +++ b/man/man8/mkfs.xfs.8 @@ -358,7 +358,7 @@ or as the number fitting in a filesystem block with .BR perblock= . The minimum (and default) .I value -is 256 bytes. +is 256 bytes without crc, 512 bytes with crc enabled. The maximum .I value is 2048 (2 KiB) subject to the restriction that -- 2.5.5 From eflorac@intellique.com Mon Jun 6 10:33:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 24C177CA0 for ; Mon, 6 Jun 2016 10:33:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 896A4AC003 for ; Mon, 6 Jun 2016 08:33:30 -0700 (PDT) X-ASG-Debug-ID: 1465227205-04cb6c2dbcb76b30001-NocioJ Received: from mail1.g1.pair.com (mail1.g1.pair.com [66.39.3.162]) by cuda.sgi.com with ESMTP id A5eeLKTXPGJnId2g (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 08:33:26 -0700 (PDT) X-Barracuda-Envelope-From: eflorac@intellique.com X-Barracuda-Effective-Source-IP: mail1.g1.pair.com[66.39.3.162] X-Barracuda-Apparent-Source-IP: 66.39.3.162 Received: from localhost (localhost [127.0.0.1]) by mail1.g1.pair.com (Postfix) with SMTP id 641A9547A46; Mon, 6 Jun 2016 11:33:25 -0400 (EDT) Received: from harpe.intellique.com (labo.djinux.com [82.225.196.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail1.g1.pair.com (Postfix) with ESMTPSA id 6D3B1547962; Mon, 6 Jun 2016 11:33:24 -0400 (EDT) Date: Mon, 6 Jun 2016 17:33:36 +0200 From: Emmanuel Florac To: Andrew Ryder Cc: Dave Chinner , Brian Foster , xfs@oss.sgi.com Subject: Re: xfs_repair fails after trying to format log cycle? Message-ID: <20160606173336.027917f5@harpe.intellique.com> X-ASG-Orig-Subj: Re: xfs_repair fails after trying to format log cycle? In-Reply-To: <57523CE6.7020906@shaw.ca> References: <56F6DE67.60403@shaw.ca> <20160328085541.GA27040@bfoster.bfoster> <570C8D4D.3060304@shaw.ca> <20160412140512.GA59690@bfoster.bfoster> <570D578D.5010706@shaw.ca> <570DB6CD.1000007@shaw.ca> <20160413045129.GO567@dastard> <57523CE6.7020906@shaw.ca> Organization: Intellique X-Mailer: Claws Mail 3.13.1 (GTK+ 2.24.30; i486-slackware-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Barracuda-Connect: mail1.g1.pair.com[66.39.3.162] X-Barracuda-Start-Time: 1465227206 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1221 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30214 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Le Fri, 3 Jun 2016 22:28:54 -0400 Andrew Ryder =C3=A9crivait: > Sorry to dig up old stuff here but after replacing hardware and > pulling my hair out to no end, I traced the source of the problem out. >=20 > On every drive in the array, the points on the PCB which the contacts=20 > for the drives motors and head/actuators make contact with were > oxidized enough to cause the issue. I ended up pulling the PCB off > each drive and cleaning them as well as cleaning out all other cable > and drive connectors from the HBA outward and everything is happy > again. >=20 > http://s33.postimg.org/uhjmvw4dr/Not_Cleaned.jpg > http://s33.postimg.org/xo94ieii7/Partial_Cleaned_1.jpg > http://s33.postimg.org/hoqgyumgf/Partial_Cleaned_2.jpg > http://s33.postimg.org/68k20t8a7/Partial_Cleaned_3.jpg >=20 Good job, that was quite unexpected :) Are you next to the seashore? --=20 ------------------------------------------------------------------------ Emmanuel Florac | Direction technique | Intellique | | +33 1 78 94 84 02 ------------------------------------------------------------------------ From mchristi@redhat.com Mon Jun 6 10:40:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EB7E57CA0 for ; 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Mon, 6 Jun 2016 11:40:36 -0400 Subject: Re: [PATCH 28/45] target: use bio op accessors To: Hannes Reinecke , linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 28/45] target: use bio op accessors References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-29-git-send-email-mchristi@redhat.com> <57551C57.5090507@suse.de> From: Mike Christie Message-ID: <57559973.1020105@redhat.com> Date: Mon, 6 Jun 2016 10:40:35 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <57551C57.5090507@suse.de> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 06 Jun 2016 15:40:40 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465227641 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1704 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 06/06/2016 01:46 AM, Hannes Reinecke wrote: > On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: >> From: Mike Christie >> >> Separate the op from the rq_flag_bits and have the target layer >> set/get the bio using bio_set_op_attrs/bio_op. >> >> Signed-off-by: Mike Christie >> --- >> drivers/target/target_core_iblock.c | 29 ++++++++++++++--------------- >> drivers/target/target_core_pscsi.c | 2 +- >> 2 files changed, 15 insertions(+), 16 deletions(-) >> >> diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c >> index c25109c..22af12f 100644 >> --- a/drivers/target/target_core_iblock.c >> +++ b/drivers/target/target_core_iblock.c > [ .. ] >> @@ -689,18 +690,15 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, >> * Force writethrough using WRITE_FUA if a volatile write cache >> * is not enabled, or if initiator set the Force Unit Access bit. >> */ >> + op = REQ_OP_WRITE; >> if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) { >> if (cmd->se_cmd_flags & SCF_FUA) >> - rw = WRITE_FUA; >> + op_flags = WRITE_FUA; >> else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) >> - rw = WRITE_FUA; >> - else >> - rw = WRITE; >> - } else { >> - rw = WRITE; >> + op_flags = WRITE_FUA; >> } > Wrong intendation. It should be ok. That line is for the QUEUE_FLAG_WC test. We end up with: op = REQ_OP_WRITE; if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) { if (cmd->se_cmd_flags & SCF_FUA) op_flags = WRITE_FUA; else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) op_flags = WRITE_FUA; } From hare@suse.de Mon Jun 6 10:43:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FRT_OFFER2 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E51A87CA0 for ; Mon, 6 Jun 2016 10:43:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9F3888F8033 for ; Mon, 6 Jun 2016 08:43:47 -0700 (PDT) X-ASG-Debug-ID: 1465227824-04cb6c2db9b76f50001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id XeOiTd9qXeNGKJyz (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 06 Jun 2016 08:43:45 -0700 (PDT) X-Barracuda-Envelope-From: hare@suse.de X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 616C9AAAD; Mon, 6 Jun 2016 15:43:41 +0000 (UTC) Subject: Re: [PATCH 28/45] target: use bio op accessors To: Mike Christie , linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com X-ASG-Orig-Subj: Re: [PATCH 28/45] target: use bio op accessors References: <1465155145-10812-1-git-send-email-mchristi@redhat.com> <1465155145-10812-29-git-send-email-mchristi@redhat.com> <57551C57.5090507@suse.de> <57559973.1020105@redhat.com> From: Hannes Reinecke Message-ID: <57559A20.10506@suse.de> Date: Mon, 6 Jun 2016 17:43:28 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <57559973.1020105@redhat.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465227825 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2126 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.59 X-Barracuda-Spam-Status: No, SCORE=1.59 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, FRT_OFFER2 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30214 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.59 FRT_OFFER2 BODY: ReplaceTags: Offer (2) On 06/06/2016 05:40 PM, Mike Christie wrote: > On 06/06/2016 01:46 AM, Hannes Reinecke wrote: >> On 06/05/2016 09:32 PM, mchristi@redhat.com wrote: >>> From: Mike Christie >>> >>> Separate the op from the rq_flag_bits and have the target layer >>> set/get the bio using bio_set_op_attrs/bio_op. >>> >>> Signed-off-by: Mike Christie >>> --- >>> drivers/target/target_core_iblock.c | 29 ++++++++++++++--------------- >>> drivers/target/target_core_pscsi.c | 2 +- >>> 2 files changed, 15 insertions(+), 16 deletions(-) >>> >>> diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c >>> index c25109c..22af12f 100644 >>> --- a/drivers/target/target_core_iblock.c >>> +++ b/drivers/target/target_core_iblock.c >> [ .. ] >>> @@ -689,18 +690,15 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, >>> * Force writethrough using WRITE_FUA if a volatile write cache >>> * is not enabled, or if initiator set the Force Unit Access bit. >>> */ >>> + op = REQ_OP_WRITE; >>> if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) { >>> if (cmd->se_cmd_flags & SCF_FUA) >>> - rw = WRITE_FUA; >>> + op_flags = WRITE_FUA; >>> else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) >>> - rw = WRITE_FUA; >>> - else >>> - rw = WRITE; >>> - } else { >>> - rw = WRITE; >>> + op_flags = WRITE_FUA; >>> } >> Wrong intendation. > > It should be ok. That line is for the QUEUE_FLAG_WC test. We end up with: > > op = REQ_OP_WRITE; > if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) { > if (cmd->se_cmd_flags & SCF_FUA) > op_flags = WRITE_FUA; > else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) > op_flags = WRITE_FUA; > } > > > > Indeed, you are correct. Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: J. Hawn, J. Guild, F. Imend�rffer, HRB 16746 (AG N�rnberg) From darrick.wong@oracle.com Mon Jun 6 11:52:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 673DD7CA0 for ; Mon, 6 Jun 2016 11:52:43 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 18D478F8040 for ; Mon, 6 Jun 2016 09:52:42 -0700 (PDT) X-ASG-Debug-ID: 1465231960-04bdf05ad7b99310001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id F0HkBosj8xszouCG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 09:52:40 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u56GqdeB001814 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 6 Jun 2016 16:52:40 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u56GqcCW000435 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 6 Jun 2016 16:52:39 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u56GqcgJ023900 for ; Mon, 6 Jun 2016 16:52:38 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 06 Jun 2016 09:52:37 -0700 Date: Mon, 6 Jun 2016 09:52:36 -0700 From: "Darrick J. Wong" To: xfs@oss.sgi.com Subject: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Message-ID: <20160606165236.GB5737@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time References: <1464877150-20457-1-git-send-email-hch@lst.de> <1464877150-20457-4-git-send-email-hch@lst.de> <20160606112342.GB23695@redhat.com> <20160606112950.GC23695@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160606112950.GC23695@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1465231960 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1915 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30216 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Mon, Jun 06, 2016 at 01:29:50PM +0200, Carlos Maiolino wrote: > Ugh, I just realized dave and derrick had already replied, pointing issues I > didn't figure out, but still I'm curious for the question I asked :) > > > Hi hch, > > > > The patchset looks good, although I'm not quite familiar with the reflink code > > so, I apologize if it is a stupid question > > > > After enabling the reflink feature during mount time, I believe this will not > > have any problems in future mounts of this filesystem without reflink support? > > > > > index 84348af..dfa5077 100644 > > > --- a/fs/xfs/xfs_super.c > > > +++ b/fs/xfs/xfs_super.c > > > @@ -82,7 +82,7 @@ enum { > > > Opt_quota, Opt_noquota, Opt_usrquota, Opt_grpquota, Opt_prjquota, > > > Opt_uquota, Opt_gquota, Opt_pquota, > > > Opt_uqnoenforce, Opt_gqnoenforce, Opt_pqnoenforce, Opt_qnoenforce, > > > - Opt_discard, Opt_nodiscard, Opt_dax, Opt_err, > > > + Opt_discard, Opt_nodiscard, Opt_reflink, Opt_dax, Opt_err, > > > }; > > > > > > static const match_table_t tokens = { > > > @@ -132,6 +132,7 @@ static const match_table_t tokens = { > > > {Opt_qnoenforce, "qnoenforce"}, /* same as uqnoenforce */ > > > {Opt_discard, "discard"}, /* Discard unused blocks */ > > > {Opt_nodiscard, "nodiscard"}, /* Do not discard unused blocks */ > > > + {Opt_reflink, "reflink"}, /* Do not discard unused blocks */ > > ^^^^ I hadn't noticed the incorrect comment; it's good of you to point it out. :) --D > > > > Also, I believe this comment is wrong!? > > > > Cheers > > > > -- > > Carlos > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs > > -- > Carlos > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Mon Jun 6 12:13:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0CC317CA0 for ; Mon, 6 Jun 2016 12:13:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 862B4AC002 for ; Mon, 6 Jun 2016 10:12:58 -0700 (PDT) X-ASG-Debug-ID: 1465233176-04bdf05ad7b99cd0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id shhsEuxD7Fh2CE4K (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 10:12:57 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C9F6C8E67B for ; Mon, 6 Jun 2016 17:12:56 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-195.bos.redhat.com [10.18.41.195]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u56HCuAO008108 for ; Mon, 6 Jun 2016 13:12:56 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 2FB991204FE; Mon, 6 Jun 2016 13:12:55 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH] xfs: cancel eofblocks background trimming on remount read-only Date: Mon, 6 Jun 2016 13:12:55 -0400 X-ASG-Orig-Subj: [PATCH] xfs: cancel eofblocks background trimming on remount read-only Message-Id: <1465233175-6701-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Mon, 06 Jun 2016 17:12:56 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465233177 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3936 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 The filesystem quiesce sequence performs the operations necessary to drain all background work, push pending transactions through the log infrastructure and wait on I/O resulting from the final AIL push. We have had reports of remount,ro hangs in xfs_log_quiesce() -> xfs_wait_buftarg(), however, and some instrumentation code to detect transaction commits at this point in the quiesce sequence has inculpated the eofblocks background scanner as a cause. While higher level remount code generally prevents user modifications by the time the filesystem has made it to xfs_log_quiesce(), the background scanner may still be alive and can perform pending work at any time. If this occurs between the xfs_log_force() and xfs_wait_buftarg() calls within xfs_log_quiesce(), this can lead to an indefinite lockup in xfs_wait_buftarg(). To prevent this problem, cancel the background eofblocks scan worker during the remount read-only quiesce sequence. This suspends background trimming when a filesystem is remounted read-only. This is only done in the remount path because the freeze codepath has already locked out new transactions by the time the filesystem attempts to quiesce (and thus waiting on an active work item could deadlock). Kick the eofblocks worker to pick up where it left off once an fs is remounted back to read-write. Signed-off-by: Brian Foster --- To confirm the problem, I have managed to manufacture the remount,ro hang issue described above by hacking in some delays/coordination between the quiesce and eofblocks background worker. Also, an alternative approach that I was considering is to run a synchronous scan around the same place this patch cancels the background scan. The idea is that the background scan would then have no work to do on the subsequent iteration and then die off naturally (until preallocation occurs once again). I suppose the downside is that a remount might not necessarily be expected to muck with preallocation state of affected files. This patch seemed more simple, but I'm open to either. Thoughts? Brian fs/xfs/xfs_icache.c | 2 +- fs/xfs/xfs_icache.h | 1 + fs/xfs/xfs_super.c | 8 ++++++++ 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 99ee6eee..fb39a66 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -765,7 +765,7 @@ restart: * Background scanning to trim post-EOF preallocated space. This is queued * based on the 'speculative_prealloc_lifetime' tunable (5m by default). */ -STATIC void +void xfs_queue_eofblocks( struct xfs_mount *mp) { diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h index 62f1f91..05bac99 100644 --- a/fs/xfs/xfs_icache.h +++ b/fs/xfs/xfs_icache.h @@ -68,6 +68,7 @@ void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); void xfs_eofblocks_worker(struct work_struct *); +void xfs_queue_eofblocks(struct xfs_mount *); int xfs_inode_ag_iterator(struct xfs_mount *mp, int (*execute)(struct xfs_inode *ip, int flags, void *args), diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 4700f09..7965371 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1294,6 +1294,7 @@ xfs_fs_remount( */ xfs_restore_resvblks(mp); xfs_log_work_queue(mp); + xfs_queue_eofblocks(mp); } /* rw -> ro */ @@ -1306,6 +1307,13 @@ xfs_fs_remount( * return it to the same size. */ xfs_save_resvblks(mp); + + /* + * Cancel background eofb scanning so it cannot race with the + * final log force+buftarg wait and deadlock the remount. + */ + cancel_delayed_work_sync(&mp->m_eofblocks_work); + xfs_quiesce_attr(mp); mp->m_flags |= XFS_MOUNT_RDONLY; } -- 2.5.5 From darrick.wong@oracle.com Mon Jun 6 13:52:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5890D7CA0 for ; Mon, 6 Jun 2016 13:52:25 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id D7AB2AC005 for ; Mon, 6 Jun 2016 11:52:21 -0700 (PDT) X-ASG-Debug-ID: 1465239137-04bdf05ad4b9c7c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id CSud56VrG1DFZLCj (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 11:52:18 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u56IqAlu011080 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 6 Jun 2016 18:52:11 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u56IqAKP009945 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 6 Jun 2016 18:52:10 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u56Iq8EX007920; Mon, 6 Jun 2016 18:52:09 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 06 Jun 2016 11:52:08 -0700 Date: Mon, 6 Jun 2016 11:52:07 -0700 From: "Darrick J. Wong" To: Dave Chinner Cc: Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [RFC] allow enabling reflinks at runtime Message-ID: <20160606185206.GC5737@birch.djwong.org> X-ASG-Orig-Subj: Re: [RFC] allow enabling reflinks at runtime References: <1464877150-20457-1-git-send-email-hch@lst.de> <20160602225415.GP12670@dastard> <20160603015832.GA5758@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160603015832.GA5758@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1465239138 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3037 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30221 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Thu, Jun 02, 2016 at 06:58:33PM -0700, Darrick J. Wong wrote: > On Fri, Jun 03, 2016 at 08:54:15AM +1000, Dave Chinner wrote: > > On Thu, Jun 02, 2016 at 04:19:07PM +0200, Christoph Hellwig wrote: > > > I've had some vocal user requests to allow enabling reflinks at run time, > > > which happens to be a mostly trivial feature. The only caveat is that we > > > need a large enough log size to support the reflink requirements, but for > > > typical large file systems that's not an issue. > > > > Hmmm - how does this interact with all the rmap code? I was not > > planning on enabling reflink without rmap and vice versa simply > > because it makes the validation and testing matrix vastly more > > complex. Indeed, having reflink turned on after a filesystem has > > aged for some time (i.e. from unknown initial conditions) makes > > validation especially tricky.... > > Well... > > It's not strictly impossible, but there will be some problems running > repair and remounting. > > The patchset doesn't actually check that we satisfy the minimum log > space requirement, which will result in xfs refusing to mount. As > Christoph says, this is only an issue on small FSes, but nevertheless, > we shouldn't trap the user like that. > > Second, mkfs lays out all the AG btree roots at the start of the AG > before finding an aligned inode block for the root inode. xfs_repair > feeds the same algorithm from the on-disk feature fields to check that > s_rootino is sane, and gets very unhappy if it doesn't find the root > inode at the computed location. Adding the two btree root blocks is > enough to shift the root inode from 96 to 128. This all can be fixed, > but it /was/ convenient not to have to support weirdo upgraded XFSes > like ext4. :) We could reprogram mkfs to allocate the root inode at a sufficiently high block offset that we'll probably never see a collision between the rootino block and mkfs-time AG btree roots. That seems like less work than fiddling with everything that assumes that the first xfs_prealloc_blocks are reserved for AG metadata to leave a hole for the rootino chunk. I think we could create an incompat feature flag to mark this 'high offset root inode'. mkfs will turn on the flag if any feature at least as new as rmap is enabled. That way, reflink can be turned on for pre-rmap v5 filesystems (where the increase in AG btree roots won't move the calculated rootino) or for post-rmap v5 filesystems (where we put rootino at a high enough offset that we won't have a problem). --D > > Furthermore, if you turn on reflink, you should enable the per-AG > reservations so we don't crash the FS by running out of space when it > needs a block for the refcountbt. > > --D > > > > > Darrick? > > > > Cheers, > > > > Dave. > > -- > > Dave Chinner > > david@fromorbit.com > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From tireman@shaw.ca Mon Jun 6 14:19:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id BE9DC7CA0 for ; Mon, 6 Jun 2016 14:19:56 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8508C8F8035 for ; Mon, 6 Jun 2016 12:19:53 -0700 (PDT) X-ASG-Debug-ID: 1465240790-04cb6c2db9b7c930001-NocioJ Received: from smtp-out-so.shaw.ca (smtp-out-so.shaw.ca [64.59.136.137]) by cuda.sgi.com with ESMTP id PcHZDjUpSUJHiVno (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 12:19:51 -0700 (PDT) X-Barracuda-Envelope-From: tireman@shaw.ca X-Barracuda-Effective-Source-IP: smtp-out-so.shaw.ca[64.59.136.137] X-Barracuda-Apparent-Source-IP: 64.59.136.137 Received: from [192.168.0.3] ([174.5.120.103]) by shaw.ca with SMTP id A03wbqrkUN9d0A03xbE13c; Mon, 06 Jun 2016 13:19:50 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shaw.ca; s=s20150330; t=1465240790; bh=1Y241U/AXgmfnJ0+XFZ2eM0nz7hBprOsKBQSxqzwGOA=; h=Subject:To:References:Cc:From:Date:In-Reply-To; b=jA73g5JSn3BgIdGbj8HKlrf6jUSa/cAx6V8vdPEtFnDoiXhvRMASxvpNGmtKcjMn+ /+7lzDkaAQ2B+jURHWDBgWHzf2fNKcvqur1Jk9+0WJylbokw+XSybeM3Ry72vg9vTP GiKDkskAk80xMBD6LZ9evJLa6Sxod+jnJ40LNK3qNJpNTXYU7XwZsxY3c/GWnup0wa JkOibO9wb8ZJ8RC8UDW3e93feIv/OBRFzNys229S+lax+CNyvNd+fB6IqovmqkNliY kZ82bEqP9NBPQQZGdQD9LGg9DUx0kV0a9dvZBo+n1Z21r0CDoCi2UUwn3DoyMbRk/t Jj6xJlbjtKG3g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shaw.ca; s=s20150330; t=1465240790; bh=1Y241U/AXgmfnJ0+XFZ2eM0nz7hBprOsKBQSxqzwGOA=; h=Subject:To:References:Cc:From:Date:In-Reply-To; b=jA73g5JSn3BgIdGbj8HKlrf6jUSa/cAx6V8vdPEtFnDoiXhvRMASxvpNGmtKcjMn+ /+7lzDkaAQ2B+jURHWDBgWHzf2fNKcvqur1Jk9+0WJylbokw+XSybeM3Ry72vg9vTP GiKDkskAk80xMBD6LZ9evJLa6Sxod+jnJ40LNK3qNJpNTXYU7XwZsxY3c/GWnup0wa JkOibO9wb8ZJ8RC8UDW3e93feIv/OBRFzNys229S+lax+CNyvNd+fB6IqovmqkNliY kZ82bEqP9NBPQQZGdQD9LGg9DUx0kV0a9dvZBo+n1Z21r0CDoCi2UUwn3DoyMbRk/t Jj6xJlbjtKG3g== X-Authority-Analysis: v=2.2 cv=QZUkhYTv c=1 sm=1 tr=0 a=p2XoxBGfiVgixJHHDgKfSQ==:117 a=p2XoxBGfiVgixJHHDgKfSQ==:17 a=IkcTkHD0fZMA:10 a=9wYxZL4EAAAA:20 a=Sqk-MOYxAAAA:20 a=xBWF7wlVAAAA:20 a=uD6-8160AAAA:20 a=wIjcW7T2S-R-JXrNkUgA:9 Subject: Re: xfs_repair fails after trying to format log cycle? To: Emmanuel Florac X-ASG-Orig-Subj: Re: xfs_repair fails after trying to format log cycle? References: <56F6DE67.60403@shaw.ca> <20160328085541.GA27040@bfoster.bfoster> <570C8D4D.3060304@shaw.ca> <20160412140512.GA59690@bfoster.bfoster> <570D578D.5010706@shaw.ca> <570DB6CD.1000007@shaw.ca> <20160413045129.GO567@dastard> <57523CE6.7020906@shaw.ca> <20160606173336.027917f5@harpe.intellique.com> Cc: Dave Chinner , Brian Foster , xfs@oss.sgi.com, linux-raid@vger.kernel.org From: Andrew Ryder Message-ID: <5755CCD7.1000104@shaw.ca> Date: Mon, 6 Jun 2016 15:19:51 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <20160606173336.027917f5@harpe.intellique.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4wfPK7qb59noCVynoI1VZFoB1Gz/9Ob8aUdt89rhKag3DdEsysXrmKl7gm6w05uoPeM6tRXvSZLcjIpVjokn9F74RYM4Pg3uemzJA8XKVeF/NCXeQ82L4U Uelx9gLSX1E9PJx7UYA5ZknVDv2/mpUakwhxfr6vebIMgsiPcwkO8hpW2qeqK4P/eoPSiC1wHaVkPuUHxb0xF+lQKZfF7HBstXu/KfWBRqIqJEdf4T2vSdFb XK24kI35OQA4JxDrN6FHVUijQ9da+LnJKvJ7lkt7aqQrxt2Htm7PZNXwxRRxTUUy X-Barracuda-Connect: smtp-out-so.shaw.ca[64.59.136.137] X-Barracuda-Start-Time: 1465240790 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1741 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30221 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On 06/06/2016 11:33 AM, Emmanuel Florac wrote: > Le Fri, 3 Jun 2016 22:28:54 -0400 > Andrew Ryder écrivait: > >> Sorry to dig up old stuff here but after replacing hardware and >> pulling my hair out to no end, I traced the source of the problem out. >> >> On every drive in the array, the points on the PCB which the contacts >> for the drives motors and head/actuators make contact with were >> oxidized enough to cause the issue. I ended up pulling the PCB off >> each drive and cleaning them as well as cleaning out all other cable >> and drive connectors from the HBA outward and everything is happy >> again. >> >> http://s33.postimg.org/uhjmvw4dr/Not_Cleaned.jpg >> http://s33.postimg.org/xo94ieii7/Partial_Cleaned_1.jpg >> http://s33.postimg.org/hoqgyumgf/Partial_Cleaned_2.jpg >> http://s33.postimg.org/68k20t8a7/Partial_Cleaned_3.jpg >> > > Good job, that was quite unexpected :) Are you next to the > seashore? > No. I'm up in NW Ontario in Canada actually, far away from any salt water. I'm guessing it was from the combination of air pollutants/humidity and heat given the drives are not in the most hospitable environment esp during the summer ... but after cleaning the board contacts up as well as the esata cable ends/ports, its working great again. I'm beginning to think when I do replace any drives, after warranty is up on them, pull off the PCB, clean it up and coat the contacts with a good smearing of dielectric grease to keep the issue from happening. Makes me wonder how many other people out there suffer from the same issue given the amount of unresolved similar hw errors I've found while googling the errors.. Thanks again, Andrew From tireman@shaw.ca Mon Jun 6 14:37:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A58B57CA1 for ; Mon, 6 Jun 2016 14:37:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 79C708F8035 for ; Mon, 6 Jun 2016 12:37:45 -0700 (PDT) X-ASG-Debug-ID: 1465241859-04cbb0356bbb7330001-NocioJ Received: from smtp-out-no.shaw.ca (smtp-out-no.shaw.ca [64.59.134.13]) by cuda.sgi.com with ESMTP id f2n6wgczkh9eJBad (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 12:37:40 -0700 (PDT) X-Barracuda-Envelope-From: tireman@shaw.ca X-Barracuda-Effective-Source-IP: smtp-out-no.shaw.ca[64.59.134.13] X-Barracuda-Apparent-Source-IP: 64.59.134.13 Received: from [192.168.0.3] ([174.5.120.103]) by shaw.ca with SMTP id A0LBbrlqpEWlrA0LCb9uvP; Mon, 06 Jun 2016 13:37:39 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shaw.ca; s=s20150330; t=1465241859; bh=jnZGCpmGc111KaFclJS9yOOEQb7mb875RKRTAspUH0I=; h=Subject:To:References:Cc:From:Date:In-Reply-To; b=p6HeXudwISAok6Uoo7kIWTs35+vvXqC9jbjJpgy/KUz6AP+FNk7/xCODcdrFBp2+s 3FGOwUN15m77y1Huheygfv05fA5e2gBc8NcWBsMmTjVxHxw8gJ5DyWhpTGzUTkrCOO b3S22+ZfIWpsMxou9E81TDzUWJrvT+iyhhG5MLQepVJwrclaMkk5YL+4kiQr8TbxbE 9Bi9rRUHlD5J8a4Z32MRM8uIhal6iqg9JY0MMPofExmQWcivnkCOAa9aZARPoutDa0 L05MvHVvCN71wVCjuXeJPm11lmo4AL+2DuqtL9leCRrkVEHqhD8cCnCbxKkbVUrw+v DBvRNzpdNHV5A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shaw.ca; s=s20150330; t=1465241859; bh=jnZGCpmGc111KaFclJS9yOOEQb7mb875RKRTAspUH0I=; h=Subject:To:References:Cc:From:Date:In-Reply-To; b=p6HeXudwISAok6Uoo7kIWTs35+vvXqC9jbjJpgy/KUz6AP+FNk7/xCODcdrFBp2+s 3FGOwUN15m77y1Huheygfv05fA5e2gBc8NcWBsMmTjVxHxw8gJ5DyWhpTGzUTkrCOO b3S22+ZfIWpsMxou9E81TDzUWJrvT+iyhhG5MLQepVJwrclaMkk5YL+4kiQr8TbxbE 9Bi9rRUHlD5J8a4Z32MRM8uIhal6iqg9JY0MMPofExmQWcivnkCOAa9aZARPoutDa0 L05MvHVvCN71wVCjuXeJPm11lmo4AL+2DuqtL9leCRrkVEHqhD8cCnCbxKkbVUrw+v DBvRNzpdNHV5A== X-Authority-Analysis: v=2.2 cv=P7p4vWIu c=1 sm=1 tr=0 a=p2XoxBGfiVgixJHHDgKfSQ==:117 a=p2XoxBGfiVgixJHHDgKfSQ==:17 a=IkcTkHD0fZMA:10 a=9wYxZL4EAAAA:20 a=Sqk-MOYxAAAA:20 a=xBWF7wlVAAAA:20 a=uD6-8160AAAA:20 a=eJfxgxciAAAA:8 a=mVfkfAKDGsN9X8xM2pUA:9 a=xM9caqqi1sUkTy8OJ5Uh:22 Subject: Re: xfs_repair fails after trying to format log cycle? To: Emmanuel Florac X-ASG-Orig-Subj: Re: xfs_repair fails after trying to format log cycle? References: <56F6DE67.60403@shaw.ca> <20160328085541.GA27040@bfoster.bfoster> <570C8D4D.3060304@shaw.ca> <20160412140512.GA59690@bfoster.bfoster> <570D578D.5010706@shaw.ca> <570DB6CD.1000007@shaw.ca> <20160413045129.GO567@dastard> <57523CE6.7020906@shaw.ca> <20160606173336.027917f5@harpe.intellique.com> <5755CCD7.1000104@shaw.ca> Cc: linux-raid@vger.kernel.org, Brian Foster , xfs@oss.sgi.com From: Andrew Ryder Message-ID: <5755D107.5060001@shaw.ca> Date: Mon, 6 Jun 2016 15:37:43 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <5755CCD7.1000104@shaw.ca> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4wfCU2/pkkeere3oRcOa1gQ2mltbg+SXIt6tZfA+IVwb90VRmgSanBQ2c7UN7wvfkilXSWX99aKjrJ2wchVfvUoO8oKqVR2GEi9Y+BznMMr4WrPixR9E+o erevD1HpUvNaJw9KAyS0SQas9drJwWvYwvQlxUdh/aoa7sAThIleYUmIa95bIJ9m00SYj0Z1bqYgLcb42IOgV+0k9dXubkeIq4yaRw3Zrqx7HAis8Mln9eWb 7ml7sF57vOfU5xGI+NhPGFBcO/0jURtfzxN33b5v2t0= X-Barracuda-Connect: smtp-out-no.shaw.ca[64.59.134.13] X-Barracuda-Start-Time: 1465241860 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2609 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30221 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On 06/06/2016 03:19 PM, Andrew Ryder wrote: > > > On 06/06/2016 11:33 AM, Emmanuel Florac wrote: >> Le Fri, 3 Jun 2016 22:28:54 -0400 >> Andrew Ryder écrivait: >> >>> Sorry to dig up old stuff here but after replacing hardware and >>> pulling my hair out to no end, I traced the source of the problem out. >>> >>> On every drive in the array, the points on the PCB which the contacts >>> for the drives motors and head/actuators make contact with were >>> oxidized enough to cause the issue. I ended up pulling the PCB off >>> each drive and cleaning them as well as cleaning out all other cable >>> and drive connectors from the HBA outward and everything is happy >>> again. >>> >>> http://s33.postimg.org/uhjmvw4dr/Not_Cleaned.jpg >>> http://s33.postimg.org/xo94ieii7/Partial_Cleaned_1.jpg >>> http://s33.postimg.org/hoqgyumgf/Partial_Cleaned_2.jpg >>> http://s33.postimg.org/68k20t8a7/Partial_Cleaned_3.jpg >>> >> >> Good job, that was quite unexpected :) Are you next to the >> seashore? >> > > > No. I'm up in NW Ontario in Canada actually, far away from any salt > water. I'm guessing it was from the combination of air > pollutants/humidity and heat given the drives are not in the most > hospitable environment esp during the summer ... but after cleaning the > board contacts up as well as the esata cable ends/ports, its working > great again. > > I'm beginning to think when I do replace any drives, after warranty is > up on them, pull off the PCB, clean it up and coat the contacts with a > good smearing of dielectric grease to keep the issue from happening. > > Makes me wonder how many other people out there suffer from the same > issue given the amount of unresolved similar hw errors I've found while > googling the errors.. > > Thanks again, > Andrew > One other thing might be worth noting, before I cleaned up the oxidation on the drives boards, they would work fine if on dedicated SATA channels off the mainboard, but when put on any sata port multiplier, it would do nothing but act up. Which was really weird. I'm assuming there must be some inherent sensitivity with sata PMP chips/hw that make this more prevalent.. and I've tried both the old and new version of SansDigital's TR8M's backplanes, 2 different sata PMP HBAs (rocketraid 2722 and addonics older PCI 4 port sata pmp hba) as well as an older addonics 3gbit sata port multiplier fan out board .. > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sandeen@sandeen.net Mon Jun 6 15:24:17 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 984BB7CA0 for ; Mon, 6 Jun 2016 15:24:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5D310304032 for ; Mon, 6 Jun 2016 13:24:13 -0700 (PDT) X-ASG-Debug-ID: 1465244651-04cb6c2dbab7e3a0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id SeEEc3SJbOSJBK45 for ; Mon, 06 Jun 2016 13:24:11 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 2090E22C5 for ; Mon, 6 Jun 2016 15:24:11 -0500 (CDT) Subject: Re: [PATCH] xfs: cancel eofblocks background trimming on remount read-only To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] xfs: cancel eofblocks background trimming on remount read-only References: <1465233175-6701-1-git-send-email-bfoster@redhat.com> From: Eric Sandeen Message-ID: Date: Mon, 6 Jun 2016 15:24:10 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1465233175-6701-1-git-send-email-bfoster@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465244651 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4449 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30223 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/6/16 12:12 PM, Brian Foster wrote: > The filesystem quiesce sequence performs the operations necessary to > drain all background work, push pending transactions through the log > infrastructure and wait on I/O resulting from the final AIL push. We > have had reports of remount,ro hangs in xfs_log_quiesce() -> > xfs_wait_buftarg(), however, and some instrumentation code to detect > transaction commits at this point in the quiesce sequence has inculpated > the eofblocks background scanner as a cause. > > While higher level remount code generally prevents user modifications by > the time the filesystem has made it to xfs_log_quiesce(), the background > scanner may still be alive and can perform pending work at any time. If > this occurs between the xfs_log_force() and xfs_wait_buftarg() calls > within xfs_log_quiesce(), this can lead to an indefinite lockup in > xfs_wait_buftarg(). > > To prevent this problem, cancel the background eofblocks scan worker > during the remount read-only quiesce sequence. This suspends background > trimming when a filesystem is remounted read-only. This is only done in > the remount path because the freeze codepath has already locked out new > transactions by the time the filesystem attempts to quiesce (and thus > waiting on an active work item could deadlock). Kick the eofblocks > worker to pick up where it left off once an fs is remounted back to > read-write. > > Signed-off-by: Brian Foster > --- > > To confirm the problem, I have managed to manufacture the remount,ro > hang issue described above by hacking in some delays/coordination > between the quiesce and eofblocks background worker. > > Also, an alternative approach that I was considering is to run a > synchronous scan around the same place this patch cancels the background > scan. The idea is that the background scan would then have no work to do > on the subsequent iteration and then die off naturally (until > preallocation occurs once again). I suppose the downside is that a > remount might not necessarily be expected to muck with preallocation > state of affected files. This patch seemed more simple, but I'm open to > either. Thoughts? Your approach makes sense to me - "finishing" the scan prior to quiesce could take a relatively unknown amount of time as well, right? And I guess I don't see a real advantage to that; we don't wait for it on unmount (right?) Reviewed-by: Eric Sandeen > Brian > > fs/xfs/xfs_icache.c | 2 +- > fs/xfs/xfs_icache.h | 1 + > fs/xfs/xfs_super.c | 8 ++++++++ > 3 files changed, 10 insertions(+), 1 deletion(-) > > diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c > index 99ee6eee..fb39a66 100644 > --- a/fs/xfs/xfs_icache.c > +++ b/fs/xfs/xfs_icache.c > @@ -765,7 +765,7 @@ restart: > * Background scanning to trim post-EOF preallocated space. This is queued > * based on the 'speculative_prealloc_lifetime' tunable (5m by default). > */ > -STATIC void > +void > xfs_queue_eofblocks( > struct xfs_mount *mp) > { > diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h > index 62f1f91..05bac99 100644 > --- a/fs/xfs/xfs_icache.h > +++ b/fs/xfs/xfs_icache.h > @@ -68,6 +68,7 @@ void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); > int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); > int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); > void xfs_eofblocks_worker(struct work_struct *); > +void xfs_queue_eofblocks(struct xfs_mount *); > > int xfs_inode_ag_iterator(struct xfs_mount *mp, > int (*execute)(struct xfs_inode *ip, int flags, void *args), > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > index 4700f09..7965371 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -1294,6 +1294,7 @@ xfs_fs_remount( > */ > xfs_restore_resvblks(mp); > xfs_log_work_queue(mp); > + xfs_queue_eofblocks(mp); > } > > /* rw -> ro */ > @@ -1306,6 +1307,13 @@ xfs_fs_remount( > * return it to the same size. > */ > xfs_save_resvblks(mp); > + > + /* > + * Cancel background eofb scanning so it cannot race with the > + * final log force+buftarg wait and deadlock the remount. > + */ > + cancel_delayed_work_sync(&mp->m_eofblocks_work); > + > xfs_quiesce_attr(mp); > mp->m_flags |= XFS_MOUNT_RDONLY; > } > From sandeen@sandeen.net Mon Jun 6 15:25:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3FC627CA2 for ; Mon, 6 Jun 2016 15:25:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id CA132AC003 for ; Mon, 6 Jun 2016 13:25:51 -0700 (PDT) X-ASG-Debug-ID: 1465244749-04bdf05ad6b9f2b0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id L4UUNgIHjDiRdBRf for ; Mon, 06 Jun 2016 13:25:49 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id A5D3822C5 for ; Mon, 6 Jun 2016 15:25:49 -0500 (CDT) Subject: Re: [PATCH] mkfs: update manpage for -i size To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] mkfs: update manpage for -i size References: <1465218531-16192-1-git-send-email-jtulak@redhat.com> From: Eric Sandeen Message-ID: <218360cc-6e75-1a75-4662-60a7a83ae6ce@sandeen.net> Date: Mon, 6 Jun 2016 15:25:49 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1465218531-16192-1-git-send-email-jtulak@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465244749 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 806 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30223 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/6/16 8:08 AM, Jan Tulak wrote: > Adding CRC changed the minimum size for inode size from 256 to 512 bytes, but > it is not mentioned in the man page. > > Signed-off-by: Jan Tulak Reviewed-by: Eric Sandeen > --- > man/man8/mkfs.xfs.8 | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8 > index 980b0e1..c3629d9 100644 > --- a/man/man8/mkfs.xfs.8 > +++ b/man/man8/mkfs.xfs.8 > @@ -358,7 +358,7 @@ or as the number fitting in a filesystem block with > .BR perblock= . > The minimum (and default) > .I value > -is 256 bytes. > +is 256 bytes without crc, 512 bytes with crc enabled. > The maximum > .I value > is 2048 (2 KiB) subject to the restriction that > From sandeen@sandeen.net Mon Jun 6 15:41:26 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 30D8C7CA1 for ; Mon, 6 Jun 2016 15:41:26 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id B112CAC003 for ; Mon, 6 Jun 2016 13:41:25 -0700 (PDT) X-ASG-Debug-ID: 1465245683-04bdf05ad7b9f880001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id pDrSCD4Jdt8iRTSL for ; Mon, 06 Jun 2016 13:41:23 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id A2C4322C5 for ; Mon, 6 Jun 2016 15:41:23 -0500 (CDT) Subject: Re: [PATCH] mkfs: fix -l su minval To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] mkfs: fix -l su minval References: <1465199729-8622-1-git-send-email-jtulak@redhat.com> From: Eric Sandeen Message-ID: Date: Mon, 6 Jun 2016 15:41:23 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1465199729-8622-1-git-send-email-jtulak@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465245683 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1369 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30223 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/6/16 2:55 AM, Jan Tulak wrote: > -l su should be in range BBTOB(1) <= L_SU <= XLOG_MAX_RECORD_BSIZE, because the > upper limit is imposed by kernel on iclogbuf: stripe unit can't be bigger than > the log buffer, but the log buffer can span multiple stripe units. L_SUNIT is > changed in the same way. > > Signed-off-by: Jan Tulak Manpage could use documentation on defaults, min, and max I suppose. But for this code change: Reviewed-by: Eric Sandeen Thanks for digging into it :) > --- > mkfs/xfs_mkfs.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c > index 955dcfd..ed7800f 100644 > --- a/mkfs/xfs_mkfs.c > +++ b/mkfs/xfs_mkfs.c > @@ -462,7 +462,7 @@ struct opt_params lopts = { > { .index = L_SUNIT, > .conflicts = { L_SU, > LAST_CONFLICT }, > - .minval = BTOBB(XLOG_MIN_RECORD_BSIZE), > + .minval = 1, > .maxval = BTOBB(XLOG_MAX_RECORD_BSIZE), > .defaultval = SUBOPT_NEEDS_VAL, > }, > @@ -470,7 +470,7 @@ struct opt_params lopts = { > .conflicts = { L_SUNIT, > LAST_CONFLICT }, > .convert = true, > - .minval = XLOG_MIN_RECORD_BSIZE, > + .minval = BBTOB(1), > .maxval = XLOG_MAX_RECORD_BSIZE, > .defaultval = SUBOPT_NEEDS_VAL, > }, > From bfoster@redhat.com Mon Jun 6 15:58:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 603BA7CA0 for ; Mon, 6 Jun 2016 15:58:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 300778F8033 for ; Mon, 6 Jun 2016 13:58:00 -0700 (PDT) X-ASG-Debug-ID: 1465246679-04cbb03568bb9720001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ZEGHtyi9ckF1UmpG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 06 Jun 2016 13:57:59 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C0F0D2C9DC6; Mon, 6 Jun 2016 20:57:58 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-195.bos.redhat.com [10.18.41.195]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u56KvwPg004061; Mon, 6 Jun 2016 16:57:58 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id D46B61204FE; Mon, 6 Jun 2016 16:57:56 -0400 (EDT) Date: Mon, 6 Jun 2016 16:57:56 -0400 From: Brian Foster To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: cancel eofblocks background trimming on remount read-only Message-ID: <20160606205756.GA18035@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: cancel eofblocks background trimming on remount read-only References: <1465233175-6701-1-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 06 Jun 2016 20:57:58 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465246679 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5239 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Jun 06, 2016 at 03:24:10PM -0500, Eric Sandeen wrote: > > > On 6/6/16 12:12 PM, Brian Foster wrote: > > The filesystem quiesce sequence performs the operations necessary to > > drain all background work, push pending transactions through the log > > infrastructure and wait on I/O resulting from the final AIL push. We > > have had reports of remount,ro hangs in xfs_log_quiesce() -> > > xfs_wait_buftarg(), however, and some instrumentation code to detect > > transaction commits at this point in the quiesce sequence has inculpated > > the eofblocks background scanner as a cause. > > > > While higher level remount code generally prevents user modifications by > > the time the filesystem has made it to xfs_log_quiesce(), the background > > scanner may still be alive and can perform pending work at any time. If > > this occurs between the xfs_log_force() and xfs_wait_buftarg() calls > > within xfs_log_quiesce(), this can lead to an indefinite lockup in > > xfs_wait_buftarg(). > > > > To prevent this problem, cancel the background eofblocks scan worker > > during the remount read-only quiesce sequence. This suspends background > > trimming when a filesystem is remounted read-only. This is only done in > > the remount path because the freeze codepath has already locked out new > > transactions by the time the filesystem attempts to quiesce (and thus > > waiting on an active work item could deadlock). Kick the eofblocks > > worker to pick up where it left off once an fs is remounted back to > > read-write. > > > > Signed-off-by: Brian Foster > > --- > > > > To confirm the problem, I have managed to manufacture the remount,ro > > hang issue described above by hacking in some delays/coordination > > between the quiesce and eofblocks background worker. > > > > Also, an alternative approach that I was considering is to run a > > synchronous scan around the same place this patch cancels the background > > scan. The idea is that the background scan would then have no work to do > > on the subsequent iteration and then die off naturally (until > > preallocation occurs once again). I suppose the downside is that a > > remount might not necessarily be expected to muck with preallocation > > state of affected files. This patch seemed more simple, but I'm open to > > either. Thoughts? > > Your approach makes sense to me - "finishing" the scan prior to quiesce > could take a relatively unknown amount of time as well, right? And I guess > I don't see a real advantage to that; we don't wait for it on unmount > (right?) > Yes, it could take an unknown amount of time. It would probably be similar to what we would do on an unmount. We don't explicitly wait for a scan on unmount (though we destroy the workqueue at some point), but I believe we have to reclaim all cached inodes, which then trims eofblocks for every inode where appropriate (via xfs_inactive()). > Reviewed-by: Eric Sandeen > Thanks! Brian > > Brian > > > > fs/xfs/xfs_icache.c | 2 +- > > fs/xfs/xfs_icache.h | 1 + > > fs/xfs/xfs_super.c | 8 ++++++++ > > 3 files changed, 10 insertions(+), 1 deletion(-) > > > > diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c > > index 99ee6eee..fb39a66 100644 > > --- a/fs/xfs/xfs_icache.c > > +++ b/fs/xfs/xfs_icache.c > > @@ -765,7 +765,7 @@ restart: > > * Background scanning to trim post-EOF preallocated space. This is queued > > * based on the 'speculative_prealloc_lifetime' tunable (5m by default). > > */ > > -STATIC void > > +void > > xfs_queue_eofblocks( > > struct xfs_mount *mp) > > { > > diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h > > index 62f1f91..05bac99 100644 > > --- a/fs/xfs/xfs_icache.h > > +++ b/fs/xfs/xfs_icache.h > > @@ -68,6 +68,7 @@ void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); > > int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); > > int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); > > void xfs_eofblocks_worker(struct work_struct *); > > +void xfs_queue_eofblocks(struct xfs_mount *); > > > > int xfs_inode_ag_iterator(struct xfs_mount *mp, > > int (*execute)(struct xfs_inode *ip, int flags, void *args), > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > > index 4700f09..7965371 100644 > > --- a/fs/xfs/xfs_super.c > > +++ b/fs/xfs/xfs_super.c > > @@ -1294,6 +1294,7 @@ xfs_fs_remount( > > */ > > xfs_restore_resvblks(mp); > > xfs_log_work_queue(mp); > > + xfs_queue_eofblocks(mp); > > } > > > > /* rw -> ro */ > > @@ -1306,6 +1307,13 @@ xfs_fs_remount( > > * return it to the same size. > > */ > > xfs_save_resvblks(mp); > > + > > + /* > > + * Cancel background eofb scanning so it cannot race with the > > + * final log force+buftarg wait and deadlock the remount. > > + */ > > + cancel_delayed_work_sync(&mp->m_eofblocks_work); > > + > > xfs_quiesce_attr(mp); > > mp->m_flags |= XFS_MOUNT_RDONLY; > > } > > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From simon54@kyled.com Mon Jun 6 20:01:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.3 required=5.0 tests=DATE_IN_PAST_24_48, HTML_MESSAGE,MIME_HTML_ONLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EA98B7CA0 for ; Mon, 6 Jun 2016 20:01:35 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 64C6CAC003 for ; Mon, 6 Jun 2016 18:01:31 -0700 (PDT) X-ASG-Debug-ID: 1465261286-04cbb03569bc0d20001-NocioJ Received: from kyled.com ([180.159.153.170]) by cuda.sgi.com with SMTP id QpTGO9EBnY1ZfZuG for ; Mon, 06 Jun 2016 18:01:27 -0700 (PDT) X-Barracuda-Envelope-From: simon54@kyled.com X-Barracuda-Effective-Source-IP: UNKNOWN[180.159.153.170] X-Barracuda-Apparent-Source-IP: 180.159.153.170 Received: from lenovo-PC[127.0.0.1] by LENOVO-PC[127.0.0.1] (SMTPD32); Mon, 6 Jun 2016 07:24:46 +0800 From: "info@kygled.com" Subject: KY LED Technology Co from Shanghai To: xfs@oss.sgi.com X-ASG-Orig-Subj: KY LED Technology Co from Shanghai MIME-Version: 1.0 Sender: simon54@kyled.com Reply-To: info@kygled.com Date: Mon, 6 Jun 2016 07:24:46 +0800 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https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6678 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30232 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Dear Dave and Everyone, Today I crashed twice in a row in 4.7-rc1. This was the message and trace: Jun 6 18:07:34 router-dev kernel: [ 134.297442] XFS: Assertion failed: args->op_flags & XFS_DA_OP_OKNOENT, file: fs/xfs/libxfs/xfs_dir2_leaf.c, line: 1307 Jun 6 18:07:34 router-dev kernel: [ 134.297459] ------------[ cut here ]------------ Jun 6 18:07:34 router-dev kernel: [ 134.297474] kernel BUG at fs/xfs/xfs_message.c:113! Jun 6 18:07:34 router-dev kernel: [ 134.297485] invalid opcode: 0000 [#1] SMP Jun 6 18:07:34 router-dev kernel: [ 134.297494] Modules linked in: pl2303 usbserial snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic 8250_dw snd_hda_intel snd_hda_codec snd_hda_core x86_pkg_temp_thermal snd_hwdep intel_powerclamp i2c_designware_platform i2c_designware_core snd_pcm snd_seq_midi snd_seq_midi_event coretemp kvm_intel kvm snd_rawmidi snd_seq snd_seq_device iwlmvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw snd_timer glue_helper ablk_helper snd cryptd iwlwifi input_leds soundcore serio_raw mei_me mei intel_lpss_acpi intel_lpss_pci acpi_als intel_lpss shpchp binfmt_misc kfifo_buf industrialio acpi_pad mac_hid parport_pc ppdev lp parport autofs4 xfs libcrc32c i 915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops hid_generic mxm_wmi r8169 ahci usbhid i2c_hid mii drm libahci hid wmi video pinctrl_sunrisepoint pinctrl_intel Jun 6 18:07:34 router-dev kernel: [ 134.297712] CPU: 2 PID: 2115 Comm: aptitude Tainted: G U 4.7.0-rc1-wt+ #8 Jun 6 18:07:34 router-dev kernel: [ 134.297728] Hardware name: MSI MS-7971/Z170A PC MATE (MS-7971), BIOS A.70 01/25/2016 Jun 6 18:07:34 router-dev kernel: [ 134.297744] task: ffff8804165f9e80 ti: ffff8803f7eb8000 task.ti: ffff8803f7eb8000 Jun 6 18:07:34 router-dev kernel: [ 134.297759] RIP: 0010:[] [] assfail+0x20/0x30 [xfs] Jun 6 18:07:34 router-dev kernel: [ 134.297796] RSP: 0018:ffff8803f7ebbbb8 EFLAGS: 00010246 Jun 6 18:07:34 router-dev kernel: [ 134.297808] RAX: 0000000000000000 RBX: ffff8803fd5ce480 RCX: 0000000000000000 Jun 6 18:07:34 router-dev kernel: [ 134.297822] RDX: 00000000ffffffc0 RSI: 000000000000000a RDI: ffffffffc038c74a Jun 6 18:07:34 router-dev kernel: [ 134.297837] RBP: ffff8803f7ebbbb8 R08: 0000000000000000 R09: 0000000000000000 Jun 6 18:07:34 router-dev kernel: [ 134.297852] R10: 000000000000000a R11: f000000000000000 R12: ffff8803fd5ce480 Jun 6 18:07:34 router-dev kernel: [ 134.297874] R13: 0000000000000062 R14: ffff880035b5c000 R15: ffff8803fd5ce480 Jun 6 18:07:34 router-dev kernel: [ 134.297889] FS: 00007ff14ad84780(0000) GS:ffff88046ec80000(0000) knlGS:0000000000000000 Jun 6 18:07:34 router-dev kernel: [ 134.297906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 6 18:07:34 router-dev kernel: [ 134.297918] CR2: 000055b4b6869d98 CR3: 00000003f87f3000 CR4: 00000000003406e0 Jun 6 18:07:34 router-dev kernel: [ 134.297932] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 6 18:07:34 router-dev kernel: [ 134.297947] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Jun 6 18:07:34 router-dev kernel: [ 134.297962] Stack: Jun 6 18:07:34 router-dev kernel: [ 134.297967] ffff8803f7ebbc40 ffffffffc0322277 ffff8803f7ebbc58 00000000ffffffff Jun 6 18:07:34 router-dev kernel: [ 134.297986] ffff8803ffffffff ffff880414673840 ffff8803f610b000 0000000000000000 Jun 6 18:07:34 router-dev kernel: [ 134.298004] ffff880452bed380 0000000000000000 ffff003c00a7d2f1 00000000b56d2e47 Jun 6 18:07:34 router-dev kernel: [ 134.298022] Call Trace: Jun 6 18:07:34 router-dev kernel: [ 134.298039] [] xfs_dir2_leaf_lookup_int+0x237/0x350 [xfs] Jun 6 18:07:34 router-dev kernel: [ 134.298064] [] xfs_dir2_leaf_replace+0x41/0x190 [xfs] Jun 6 18:07:34 router-dev kernel: [ 134.298088] [] xfs_dir_replace+0x18c/0x1b0 [xfs] Jun 6 18:07:34 router-dev kernel: [ 134.298114] [] xfs_rename+0x45f/0x9d0 [xfs] Jun 6 18:07:34 router-dev kernel: [ 134.298128] [] ? _raw_write_lock_irqsave+0x2f/0x40 Jun 6 18:07:34 router-dev kernel: [ 134.298155] [] xfs_vn_rename+0xb2/0xe0 [xfs] Jun 6 18:07:34 router-dev kernel: [ 134.298169] [] vfs_rename+0x5a4/0x940 Jun 6 18:07:34 router-dev kernel: [ 134.298182] [] ? security_path_rename+0x90/0xe0 Jun 6 18:07:34 router-dev kernel: [ 134.298195] [] SyS_rename+0x3d5/0x3f0 Jun 6 18:07:34 router-dev kernel: [ 134.298207] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 Jun 6 18:07:34 router-dev kernel: [ 134.298221] Code: 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 f1 41 89 d0 48 c7 c6 90 84 39 c0 48 89 fa 31 ff 48 89 e5 e8 b0 f8 ff ff <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 Jun 6 18:07:34 router-dev kernel: [ 134.298312] RIP [] assfail+0x20/0x30 [xfs] Jun 6 18:07:34 router-dev kernel: [ 134.298339] RSP Jun 6 18:07:34 router-dev kernel: [ 134.303832] ---[ end trace 7894462e3381a043 ]--- 0x760b0 is in assfail (fs/xfs/xfs_message.c:113). 108 void 109 assfail(char *expr, char *file, int line) 110 { 111 xfs_emerg(NULL, "Assertion failed: %s, file: %s, line: %d", 112 expr, file, line); 113 BUG(); 114 } 115 116 void 117 xfs_hex_dump(void *p, int length) Ok, so this function is called. The line is: ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); The function that the assert was called was: /* * Look up name/hash in the leaf block. * Fill in indexp with the found index, and dbpp with the data buffer. * If not found dbpp will be NULL, and ENOENT comes back. * lbpp will always be filled in with the leaf buffer unless there's an error. */ static int /* error */ xfs_dir2_leaf_lookup_int The assert took place right after this loop: /* * Loop over all the entries with the right hash value * looking to match the name. */ for (lep = &ents[index]; index < leafhdr.count && be32_to_cpu(lep->hashval) == args->hashval; lep++, index++) I seem to be able to hit this bug rather frequently. So I put in some instrumentation to print out the flags next time I hit it and save a core file to another fs. Is this is known bug to you or? Thanks, Reinoud. From cj014@yun152.com Mon Jun 6 22:28:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B936A7CA0 for ; Mon, 6 Jun 2016 22:28:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7CF4D8F8037 for ; Mon, 6 Jun 2016 20:28:15 -0700 (PDT) X-ASG-Debug-ID: 1465270088-04cb6c2dbcb8dd40001-NocioJ Received: from mail.yun152.com ([61.176.220.141]) by cuda.sgi.com with ESMTP id t0SkxfuEsKv6aNj3 for ; Mon, 06 Jun 2016 20:28:08 -0700 (PDT) X-Barracuda-Envelope-From: cj014@yun152.com X-Barracuda-Effective-Source-IP: UNKNOWN[61.176.220.141] X-Barracuda-Apparent-Source-IP: 61.176.220.141 Received: from 51.net by mail.yun152.com (MDaemon PRO v10.1.1) with ESMTP id md50210014680.msg for ; 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Mon, 6 Jun 2016 23:40:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4725F8F8037 for ; Mon, 6 Jun 2016 21:40:02 -0700 (PDT) X-ASG-Debug-ID: 1465274399-04cb6c2dbbb904f0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 4rjiPBtDTMYfjLT3 for ; Mon, 06 Jun 2016 21:39:59 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id AA9E0B55 for ; Mon, 6 Jun 2016 23:39:59 -0500 (CDT) Subject: Re: crash in xfs in current To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: crash in xfs in current References: From: Eric Sandeen Message-ID: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> Date: Mon, 6 Jun 2016 23:39:59 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465274399 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3374 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30234 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/6/16 8:43 PM, Reinoud Koornstra wrote: > Dear Dave and Everyone, > > Today I crashed twice in a row in 4.7-rc1. > This was the message and trace: > > Jun 6 18:07:34 router-dev kernel: [ 134.297442] XFS: Assertion failed: args->op_flags & XFS_DA_OP_OKNOENT, file: fs/xfs/libxfs/xfs_dir2_leaf.c, line: 1307 Ok, that ASSERT has been there since 2005 ... > Jun 6 18:07:34 router-dev kernel: [ 134.297459] ------------[ cut here ]------------ > Jun 6 18:07:34 router-dev kernel: [ 134.297474] kernel BUG at fs/xfs/xfs_message.c:113! > Jun 6 18:07:34 router-dev kernel: [ 134.297485] invalid opcode: 0000 [#1] SMP > Jun 6 18:07:34 router-dev kernel: [ 134.297494] Modules linked in: ... unlinewrapping... > Jun 6 18:07:34 router-dev kernel: [ 134.297962] Stack: > Jun 6 18:07:34 router-dev kernel: [ 134.297967] ffff8803f7ebbc40 ffffffffc0322277 ffff8803f7ebbc58 00000000ffffffff > Jun 6 18:07:34 router-dev kernel: [ 134.297986] ffff8803ffffffff ffff880414673840 ffff8803f610b000 0000000000000000 > Jun 6 18:07:34 router-dev kernel: [ 134.298004] ffff880452bed380 0000000000000000 ffff003c00a7d2f1 00000000b56d2e47 > Jun 6 18:07:34 router-dev kernel: [ 134.298022] Call Trace: > Jun 6 18:07:34 router-dev kernel: [ 134.298039] [] xfs_dir2_leaf_lookup_int+0x237/0x350 [xfs] > Jun 6 18:07:34 router-dev kernel: [ 134.298064] [] xfs_dir2_leaf_replace+0x41/0x190 [xfs] > Jun 6 18:07:34 router-dev kernel: [ 134.298088] [] xfs_dir_replace+0x18c/0x1b0 [xfs] > Jun 6 18:07:34 router-dev kernel: [ 134.298114] [] xfs_rename+0x45f/0x9d0 [xfs] > Jun 6 18:07:34 router-dev kernel: [ 134.298155] [] xfs_vn_rename+0xb2/0xe0 [xfs] > Jun 6 18:07:34 router-dev kernel: [ 134.298169] [] vfs_rename+0x5a4/0x940 > Jun 6 18:07:34 router-dev kernel: [ 134.298195] [] SyS_rename+0x3d5/0x3f0 > Jun 6 18:07:34 router-dev kernel: [ 134.298207] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 > Jun 6 18:07:34 router-dev kernel: [ 134.298221] Code: 00 66 2e 0f 1f > I seem to be able to hit this bug rather frequently. > So I put in some instrumentation to print out the flags next time I > hit it and save a core file to another fs. > Is this is known bug to you or? xfs_dir2_leaf_lookup_int() only hits that ASSERT if it was given a name to rename, and failed to find the original. i.e. that should not happen. /* * Loop over all the entries with the right hash value * looking to match the name. */ ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); /* * Here, we can only be doing a lookup (not a rename or remove). * If a case-insensitive match was found earlier, re-read the * appropriate data block if required and return it. */ A rename should never fail to find the original name. Did this problem only show up after an update? Do you have a reproducer? Have you unmounted and run an "xfs_repair -n" and captured the output to see if there is any on-disk corruption? You might gather an xfs_metadump as well, before you do any live repair that might change the filesystem. -Eric From BATV+75fc7f7cc5699f774dd8+4671+infradead.org+hch@bombadil.srs.infradead.org Tue Jun 7 01:27:24 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AB70E7CA0 for ; Tue, 7 Jun 2016 01:27:24 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 432F2AC005 for ; Mon, 6 Jun 2016 23:27:21 -0700 (PDT) X-ASG-Debug-ID: 1465280839-04bdf05ad6bb00b0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id t7nSX7ppsuETHQFI (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 06 Jun 2016 23:27:19 -0700 (PDT) X-Barracuda-Envelope-From: BATV+75fc7f7cc5699f774dd8+4671+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bAATu-0001OL-0O; Tue, 07 Jun 2016 06:27:18 +0000 Date: Mon, 6 Jun 2016 23:27:17 -0700 From: Christoph Hellwig To: Eric Sandeen , reinoudkoornstra@gmail.com Cc: xfs@oss.sgi.com, wagi@monom.org, viro@zeniv.linux.org.uk Subject: Re: crash in xfs in current Message-ID: <20160607062717.GA30022@infradead.org> X-ASG-Orig-Subj: Re: crash in xfs in current References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1465280839 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1341 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30237 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Mon, Jun 06, 2016 at 11:39:59PM -0500, Eric Sandeen wrote: > xfs_dir2_leaf_lookup_int() only hits that ASSERT if it was given > a name to rename, and failed to find the original. i.e. that should > not happen. > > /* > * Loop over all the entries with the right hash value > * looking to match the name. > */ > > > > > > ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); > /* > * Here, we can only be doing a lookup (not a rename or remove). > * If a case-insensitive match was found earlier, re-read the > * appropriate data block if required and return it. > */ > > A rename should never fail to find the original name. FYI, this looks very much the same like the Bug Daniel reported, which I tried to help debugging in person over the weekend. His backtrace points to cancelling a dirty transaction after xfs_dir_replace failed, which most likely comes from the failing lookup, except that he probably doen't have XFS_DEBUG enabled. Given that 4.7-rc1 comes with the new shared locks for lookups, and there are very little other changes I wonder if there is any relation It would be good if Reinoud and/or Daniel can confirm that Linux 4.6 is ok. 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boundary="----=_NextPart_000_00DD_01D1C0A1.5DDE1C40" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3555.308 X-MimeOLE: Produced By Microsoft MimeOLE V15.4.3555.308 X-Barracuda-Connect: web.onlinefusion.co.uk[51.255.102.41] X-Barracuda-Start-Time: 1465281946 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 21895 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30237 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message �� MIME. ------=_NextPart_000_00DD_01D1C0A1.5DDE1C40 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 23 - 24 =D0=B8=D1=8E=D0=BD=D1=8F | =D0=B3. = =D0=9C=D0=BE=D1=81=D0=BA=D0=B2=D0=B0 | c 10:00 =D0=B4=D0=BE 17:30 | = =D0=90=D1=80=D1=82=D0=B8=D0=BA=D1=83=D0=BB: 421 =D0=93=D0=9E=D0=A1=D0=A3=D0=94=D0=90=D0=A0=D0=A1=D0=A2=D0=92=D0=95=D0=9D=D0= =9D=D0=AB=D0=99 =D0=9E=D0=91=D0=9E=D0=A0=D0=9E=D0=9D=D0=9D=D0=AB=D0=99 = =D0=97=D0=90=D0=9A=D0=90=D0=97.=20 =D0=9D=D0=9E=D0=92=D0=9E=D0=95 =D0=92 = =D0=9D=D0=9E=D0=A0=D0=9C=D0=90=D0=A2=D0=98=D0=92=D0=9D=D0=9E-=D0=9F=D0=A0= =D0=90=D0=92=D0=9E=D0=92=D0=9E=D0=9C = =D0=A0=D0=95=D0=93=D0=A3=D0=9B=D0=98=D0=A0=D0=9E=D0=92=D0=90=D0=9D=D0=98=D0= =98, =D0=90=D0=9A=D0=A2=D0=A3=D0=90=D0=9B=D0=AC=D0=9D=D0=AB=D0=95=20 =D0=92=D0=9E=D0=9F=D0=A0=D0=9E=D0=A1=D0=AB = =D0=A6=D0=95=D0=9D=D0=9E=D0=9E=D0=91=D0=A0=D0=90=D0=97=D0=9E=D0=92=D0=90=D0= =9D=D0=98=D0=AF, =D0=9E=D0=A2=D0=92=D0=95=D0=A2=D0=A1=D0=A2=D0=92=D0=95=D0= =9D=D0=9D=D0=9E=D0=A1=D0=A2=D0=AC =D0=97=D0=90 = =D0=9D=D0=95=D0=98=D0=A1=D0=9F=D0=9E=D0=9B=D0=9D=D0=95=D0=9D=D0=98=D0=95 = =20 =D0=9A=D0=9E=D0=9D=D0=A2=D0=A0=D0=90=D0=9A=D0=A2=D0=9E=D0=92 =D0=9F=D1=80=D0=B8=D0=BD=D0=B8=D0=BC=D0=B0=D1=8E=D1=82 = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=B8=D0=B5 = =D1=81=D0=BF=D0=B5=D1=86=D0=B8=D0=B0=D0=BB=D0=B8=D1=81=D1=82=D1=8B = =D0=A3=D0=BF=D1=80=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8F = =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0= =BD=D0=BE=D0=B3=D0=BE=20 =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=B0 = =D0=A6=D0=B5=D0=BD=D1=82=D1=80=D0=B0=D0=BB=D1=8C=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B0=D0=BF=D0=BF=D0=B0=D1=80=D0=B0=D1=82=D0=B0 =D0=A4=D0=90=D0=A1 = =D0=A0=D0=BE=D1=81=D1=81=D0=B8=D0=B8, = =D0=BF=D1=80=D0=B5=D0=B4=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D1=82=D0=B5=D0=BB=D0= =B8 =D1=8D=D0=BA=D1=81=D0=BF=D0=B5=D1=80=D1=82=D0=BD=D1=8B=D1=85=20 =D0=B3=D1=80=D1=83=D0=BF=D0=BF =D0=9F=D1=80=D0=B0=D0=B2=D0=B8=D1=82=D0=B5= =D0=BB=D1=8C=D1=81=D1=82=D0=B2=D0=B0 =D0=A0=D0=A4 =20 =D0=9C=D0=B5=D1=81=D1=82=D0=BE =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5= =D0=BD=D0=B8=D1=8F: =D0=BC. =D0=91=D0=B0=D1=83=D0=BC=D0=B0=D0=BD=D1=81=D0= =BA=D0=B0=D1=8F, =D1=83=D0=BB. =D0=91=D0=B0=D1=83=D0=BC=D0=B0=D0=BD=D1=81= =D0=BA=D0=B0=D1=8F, =D0=B4.6, =D1=81=D1=82=D1=80.2, =D0=91.=D0=A6. = "=D0=92=D0=B8=D0=BA=D1=82=D0=BE=D1=80=D0=B8=D1=8F = =D0=9F=D0=BB=D0=B0=D0=B7=D0=B0". =D0=9F=D0=BE=D0=B4=D1=80=D0=BE=D0=B1=D0=BD=D0=B0=D1=8F = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D1=8F =D0=B8 = =D0=B7=D0=B0=D0=BF=D0=B8=D1=81=D1=8C =D0=BF=D0=BE = =D0=BD=D0=BE=D0=BC=D0=B5=D1=80=D1=83 = =D1=82=D0=B5=D0=BB=D0=B5=D1=84=D0=BE=D0=BD=D0=B0: 8 =D0=BA=D0=BE=D0=B4 =D0=B3=D0=BE=D1=80=D0=BE=D0=B4=D0=B0 = =D0=9C=D0=BE=D1=81=D0=BA=D0=B2=D1=8B (495) =D1=82=D0=B5=D0=BB.: 411 - 90 = - 98. =D0=92=D1=8B =D0=BC=D0=BE=D0=B6=D0=B5=D1=82=D0=B5 = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=B2=D0=BE=D0=B2=D0=B0=D1=82=D1=8C = =D0=B2 =D0=BE=D0=B1=D1=83=D1=87=D0=B5=D0=BD=D0=B8=D0=B8 = =D0=BA=D0=B0=D0=BA =D0=BE=D1=82 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8= =D0=B8, =D1=82=D0=B0=D0=BA =D0=B8 =D0=BA=D0=B0=D0=BA = =D1=87=D0=B0=D1=81=D1=82=D0=BD=D0=BE=D0=B5 =D0=BB=D0=B8=D1=86=D0=BE. (=D0=BF=D0=BE=D0=B6=D0=B0=D0=BB=D1=83=D0=B9=D1=81=D1=82=D0=B0 = =D0=BD=D0=B5 =D0=BE=D1=82=D0=B2=D0=B5=D1=87=D0=B0=D0=B9=D1=82=D0=B5 = =D0=BD=D0=B0 =D0=BE=D0=B1=D1=80=D0=B0=D1=82=D0=BD=D1=8B=D0=B9 = =D0=B0=D0=B4=D1=80=D0=B5=D1=81 =D1=8D=D0=BB.=D0=BF=D0=BE=D1=87=D1=82=D1=8B= ) =20 =D0=9F=D0=A0=D0=9E=D0=93=D0=A0=D0=90=D0=9C=D0=9C=D0=90: 1. =D0=98=D0=B7=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D1=8F =D0=B2 = =D0=B7=D0=B0=D0=BA=D0=BE=D0=BD=D0=BE=D0=B4=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D1= =81=D1=82=D0=B2=D0=B5 =D0=BE =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1= =81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=BC = =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=BC = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=B5 (=D0=93=D0=9E=D0=97), = =D0=9A=D0=BE=D0=B4=D0=B5=D0=BA=D1=81=D0=B5 =D0=BE=D0=B1=20 =D0=B0=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82=D0=B8= =D0=B2=D0=BD=D1=8B=D1=85 =D0=BF=D1=80=D0=B0=D0=B2=D0=BE=D0=BD=D0=B0=D1=80= =D1=83=D1=88=D0=B5=D0=BD=D0=B8=D1=8F=D1=85 =D0=B2 =D0=A0=D0=A4 =D0=B8 = =D1=82.=D0=B4. =D0=9D=D0=BE=D1=80=D0=BC=D1=8B =D0=B8 = =D1=82=D1=80=D0=B5=D0=B1=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F = =D0=A4=D0=97 =E2=84=96 275-=D0=A4=D0=97 =D0=BE=D1=82 29 = =D0=B4=D0=B5=D0=BA=D0=B0=D0=B1=D1=80=D1=8F 2012 =D0=B3. 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=BD=D0=BE=D0=B3=D0=BE =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D1=87=D0=B8=D0=BA=D0= =B0, =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F,=20 =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F. 3. =D0=9D=D0=BE=D0=B2=D1=8B=D0=B5 =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=BD=D1= =8B=D0=B5 =D0=BF=D1=80=D0=B0=D0=B2=D0=B0 =D0=B8 = =D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F. = =D0=9A=D0=BE=D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D1=8F = =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D0=BE=D0=B3=D0=BE=20 =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F. 4. =D0=9D=D0=BE=D0=B2=D1=8B=D0=B5 =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=BD=D1= =8B=D0=B5 =D0=BF=D1=80=D0=B0=D0=B2=D0=B0 =D0=B8 = =D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F. 5. =D0=A4=D0=BE=D1=80=D0=BC=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5= =D0=BA=D0=BE=D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D0=B8 = =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D1=8B=D0=BC=D0=B8 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F=D0=BC=D0= =B8 =D0=B8 =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1= =8F=D0=BC=D0=B8 =D0=93=D0=9E=D0=97. =D0=A3=D1=81=D0=BB=D0=BE=D0=B2=D0=B8=D1= =8F=20 =D0=B7=D0=B0=D0=BA=D0=BB=D1=8E=D1=87=D0=B0=D0=B5=D0=BC=D1=8B=D1=85 = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=BE=D0=B2 = =D0=BF=D0=BE =D0=93=D0=9E=D0=97. 6. =D0=9E=D0=B1=D0=B5=D1=81=D0=BF=D0=B5=D1=87=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BE=D0=BA = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D0=B8, = =D1=80=D0=B0=D0=B7=D0=BC=D0=B5=D1=89=D0=B5=D0=BD=D0=B8=D1=8F = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=BE=D0=B2 =D0=BD=D0=B0 = =D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BA=D0=B8 = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D0=B8. 7. =D0=97=D0=B0=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0= =BD=D0=BE=D0=B3=D0=BE =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0= =B0. =D0=92=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=B8=D0=B4=D0=B5=D0=BD=D1=82=D0=B8=D1=84=D0=B8=D0=BA=D0=B0=D1=82=D0=BE=D1= =80=D0=B0 =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0= =B5=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE=20 =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=B0. 8. =D0=9A=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8C =D0=B7=D0=B0 = =D0=BE=D0=B1=D0=B5=D1=81=D0=BF=D0=B5=D1=87=D0=B5=D0=BD=D0=B8=D0=B5=D0=BC = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=B0 =D0=B8 = =D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BE=D0=BA = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D0=B8 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F=D0=BC=D0= =B8 =D0=B8/=D0=B8=D0=BB=D0=B8 =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D1=8B=D0= =BC=20 =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D0=B5=D0=BC= =2E 9. =D0=9E=D1=82=D0=BA=D0=B0=D0=B7 =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=BD=D0= =B8=D0=BA=D0=BE=D0=B2 =D0=BA=D0=BE=D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0= =B8=D0=B8 =D0=BE=D1=82 =D0=B7=D0=B0=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0= =B8=D1=8F =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=BE=D0=B2 = =D0=B2 =D1=80=D0=B0=D0=BC=D0=BA=D0=B0=D1=85 = =D1=81=D0=BE=D0=BF=D1=80=D0=BE=D0=B2=D0=BE=D0=B6=D0=B4=D0=B0=D0=B5=D0=BC=D0= =BE=D0=B9 =D1=81=D0=B4=D0=B5=D0=BB=D0=BA=D0=B8.=20 =D0=90=D0=BB=D0=B3=D0=BE=D1=80=D0=B8=D1=82=D0=BC = =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D1=8B =D0=BF=D0=BE = =D1=83=D1=80=D0=B5=D0=B3=D1=83=D0=BB=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0= =B8=D1=8E =D1=80=D0=B0=D0=B7=D0=BD=D0=BE=D0=B3=D0=BB=D0=B0=D1=81=D0=B8=D0= =B9; =D0=A0=D0=B5=D0=B6=D0=B8=D0=BC =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0= =B7=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F = =D0=BE=D1=82=D0=B4=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D0=B3=D0=BE = =D1=81=D1=87=D0=B5=D1=82=D0=B0 =D0=B8=20 =D0=B7=D0=B0=D0=BF=D1=80=D0=B5=D1=82=D1=8B =D0=BD=D0=B0 = =D1=81=D0=BE=D0=B2=D0=B5=D1=80=D1=88=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D0=B9; = =D0=9A=D1=80=D0=B8=D1=82=D0=B5=D1=80=D0=B8=D0=B8 = =D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D0=B9, = =D0=BF=D1=80=D0=B8=D0=BE=D1=81=D1=82=D0=B0=D0=BD=D0=B0=D0=B2=D0=BB=D0=B8=D0= =B2=D0=B0=D0=B5=D0=BC=D1=8B=D1=85 =D0=B2 = =D1=81=D0=BE=D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0=B2=D0=B8=D0=B8 = =D1=81=20 =D0=A4=D0=B5=D0=B4=D0=B5=D1=80=D0=B0=D0=BB=D1=8C=D0=BD=D1=8B=D0=BC = =D0=B7=D0=B0=D0=BA=D0=BE=D0=BD=D0=BE=D0=BC =C2=AB=D0=9E = =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0= =BD=D0=BE=D0=BC =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=BC = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=B5=C2=BB =D0=B8 =D1=82.=D0=B4. 10. =D0=A3=D1=81=D0=BB=D0=BE=D0=B2=D0=B8=D1=8F = =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0= =BD=D1=8B=D1=85 =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=BE=D0= =B2, =D1=83=D1=81=D1=82=D0=B0=D0=BD=D0=B0=D0=B2=D0=BB=D0=B8=D0=B2=D0=B0=D1= =8E=D1=89=D0=B8=D0=B5 =D1=80=D0=B0=D0=B7=D0=BC=D0=B5=D1=80 = =D0=BF=D1=80=D0=B8=D0=B1=D1=8B=D0=BB=D0=B8 =D0=B8 (=D0=B8=D0=BB=D0=B8) = =D0=BF=D0=BE=D1=80=D1=8F=D0=B4=D0=BE=D0=BA=20 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B5=D0=BD=D1=81=D0=B0=D1=86=D0=B8=D0=B8 = =D0=BF=D0=BE=D0=BD=D0=B5=D1=81=D0=B5=D0=BD=D0=BD=D1=8B=D1=85 = =D0=B7=D0=B0 =D1=81=D1=87=D0=B5=D1=82 = =D1=81=D0=BE=D0=B1=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D1=8B=D1=85 = =D1=81=D1=80=D0=B5=D0=B4=D1=81=D1=82=D0=B2 = =D1=80=D0=B0=D1=81=D1=85=D0=BE=D0=B4=D0=BE=D0=B2 =D0=BD=D0=B0 = =D1=84=D0=BE=D1=80=D0=BC=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D0=B7=D0=B0=D0=BF=D0=B0=D1=81=D0=B0=20 =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D0=B8, = =D1=81=D1=8B=D1=80=D1=8C=D1=8F, =D0=BC=D0=B0=D1=82=D0=B5=D1=80=D0=B8=D0=B0= =D0=BB=D0=BE=D0=B2, =D0=BF=D0=BE=D0=BB=D1=83=D1=84=D0=B0=D0=B1=D1=80=D0=B8= =D0=BA=D0=B0=D1=82=D0=BE=D0=B2, =D0=BA=D0=BE=D0=BC=D0=BF=D0=BB=D0=B5=D0=BA= =D1=82=D1=83=D1=8E=D1=89=D0=B8=D1=85 = =D0=B8=D0=B7=D0=B4=D0=B5=D0=BB=D0=B8=D0=B9, = =D0=BD=D0=B5=D0=BE=D0=B1=D1=85=D0=BE=D0=B4=D0=B8=D0=BC=D0=BE=D0=B3=D0=BE = =D0=B4=D0=BB=D1=8F=20 =D0=B2=D1=8B=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0=BD=D0=B8=D1=8F = =D0=93=D0=9E=D0=97; 11. =D0=98=D1=81=D1=82=D0=BE=D1=87=D0=BD=D0=B8=D0=BA=D0=B8 = =D1=84=D0=B8=D0=BD=D0=B0=D0=BD=D1=81=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0= =B8=D1=8F =D1=80=D0=B0=D0=B1=D0=BE=D1=82 =D0=BF=D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=B0=D0=BC, = =D0=B7=D0=B0=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0=BD=D1=8B=D0=BC = =D1=81 =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F= =D0=BC=D0=B8 =D0=B8=20 =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D1=87=D0=B8=D0=BA=D0=B0=D0=BC=D0=B8. 12. =D0=91=D0=B0=D0=BD=D0=BA=D0=BE=D0=B2=D1=81=D0=BA=D0=BE=D0=B5 = =D1=81=D0=BE=D0=BF=D1=80=D0=BE=D0=B2=D0=BE=D0=B6=D0=B4=D0=B5=D0=BD=D0=B8=D0= =B5 =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0= =BD=D0=BD=D0=BE=D0=B3=D0=BE =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1= =82=D0=B0 =D0=B8 =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=BE=D0= =B2 =D0=BF=D0=BE =D0=93=D0=9E=D0=97 13. =D0=93=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0= =BD=D0=BD=D1=8B=D0=B9 =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8C = (=D0=BD=D0=B0=D0=B4=D0=B7=D0=BE=D1=80) =D0=B2 = =D1=81=D1=84=D0=B5=D1=80=D0=B5 =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80= =D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE = =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=B0. 14. =D0=9D=D0=BE=D0=B2=D1=8B=D0=B5 =D0=BF=D1=80=D0=B0=D0=B2=D0=B8=D0=BB=D0= =B0 =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0= =B0=D0=BD=D0=B8=D1=8F =D0=BD=D0=B0 =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1= =86=D0=B8=D1=8E =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=B3=D0= =BE =D0=BD=D0=B0=D0=B7=D0=BD=D0=B0=D1=87=D0=B5=D0=BD=D0=B8=D1=8F. 15. =D0=9F=D0=BE=D1=80=D1=8F=D0=B4=D0=BE=D0=BA = =D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8F = =D1=80=D0=B0=D0=B7=D0=B4=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D0=B3=D0=BE = =D1=83=D1=87=D0=B5=D1=82=D0=B0 =D0=B7=D0=B0=D1=82=D1=80=D0=B0=D1=82 = =D0=B8 =D1=80=D0=B5=D0=B7=D1=83=D0=BB=D1=8C=D1=82=D0=B0=D1=82=D0=BE=D0=B2= =D1=84=D0=B8=D0=BD=D0=B0=D0=BD=D1=81=D0=BE=D0=B2=D0=BE-=D1=85=D0=BE=D0=B7= =D1=8F=D0=B9=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=B9=20 =D0=B4=D0=B5=D1=8F=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D1=81=D1=82=D0=B8= =D0=B2 =D1=81=D1=84=D0=B5=D1=80=D0=B5 =D0=93=D0=9E=D0=97. 16. =D0=9D=D0=BE=D0=B2=D1=8B=D0=B5 =D0=BF=D0=BE=D0=BB=D0=BD=D0=BE=D0=BC=D0= =BE=D1=87=D0=B8=D1=8F =D0=A4=D0=90=D0=A1 = =D0=A0=D0=BE=D1=81=D1=81=D0=B8=D0=B8 =D0=BF=D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8E =D0=B2 = =D1=81=D1=84=D0=B5=D1=80=D0=B5 =D0=93=D0=9E=D0=97, =D0=B0 = =D1=82=D0=B0=D0=BA=D0=B6=D0=B5 =D1=80=D0=B5=D0=B3=D0=B8=D1=81=D1=82=D1=80= =D0=B0=D1=86=D0=B8=D0=B8 =D1=86=D0=B5=D0=BD =D0=BD=D0=B0=20 =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D1=8E, = =D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BB=D1=8F=D0=B5=D0=BC=D1=83=D1=8E = =D0=BF=D0=BE =D0=93=D0=9E=D0=97. 17. =D0=90=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82=D0= =B8=D0=B2=D0=BD=D0=B0=D1=8F =D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0= =B2=D0=B5=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D1=8C =D0=B2 = =D0=9A=D0=BE=D0=B4=D0=B5=D0=BA=D1=81=D0=B5 =D0=BE=D0=B1 = =D0=B0=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82=D0=B8=D0= =B2=D0=BD=D1=8B=D1=85 =D0=BF=D1=80=D0=B0=D0=B2=D0=BE=D0=BD=D0=B0=D1=80=D1= =83=D1=88=D0=B5=D0=BD=D0=B8=D1=8F=D1=85 =D0=B2 =D0=A0=D0=A4:=20 =D0=B2=D0=B8=D0=B4=D1=8B =D0=BF=D1=80=D0=B0=D0=B2=D0=BE=D0=BD=D0=B0=D1=80= =D1=83=D1=88=D0=B5=D0=BD=D0=B8=D0=B9 =D0=B8 = =D1=80=D0=B0=D0=B7=D0=BC=D0=B5=D1=80 = =D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D1= =81=D1=82=D0=B8. =D0=9E=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0=B2=D0=B5=D0= =BD=D0=BD=D0=BE=D1=81=D1=82=D1=8C =D0=B7=D0=B0 = =D0=BD=D0=B5=D0=B4=D0=BE=D0=B1=D1=80=D0=BE=D1=81=D0=BE=D0=B2=D0=B5=D1=81=D1= =82=D0=BD=D0=BE=D0=B5=20 =D0=B2=D1=8B=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=93=D0=9E=D0=97 =D0=B2 =D1=81=D0=BE=D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81= =D1=82=D0=B2=D0=B8=D0=B8 =D1=81 =D1=82=D1=80=D0=B5=D0=B1=D0=BE=D0=B2=D0=B0= =D0=BD=D0=B8=D1=8F=D0=BC=D0=B8 =D0=9F=D0=BE=D1=81=D1=82=D0=B0=D0=BD=D0=BE= =D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=9F=D1=80=D0=B0=D0=B2=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D1=81=D1=82=D0=B2=D0= =B0 =E2=84=96 1211 =D0=BE=D1=82 22 =D0=BD=D0=BE=D1=8F=D0=B1=D1=80=D1=8F 2012 =D0=B3. =D0=A3=D1=87=D0=B0=D1=81=D1=82=D0=B8=D0=B5: 29 800 =D1=80=D1=83=D0=B1.=20 =D0=92 =D1=81=D1=82=D0=BE=D0=B8=D0=BC=D0=BE=D1=81=D1=82=D1=8C = =D0=B2=D1=85=D0=BE=D0=B4=D0=B8=D1=82 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D0=B9 = =D0=BC=D0=B0=D1=82=D0=B5=D1=80=D0=B8=D0=B0=D0=BB, = =D0=BE=D0=B1=D0=B5=D0=B4=D1=8B, =D0=BA=D0=BE=D1=84=D0=B5-=D0=BF=D0=B0=D1=83= =D0=B7=D1=8B, =D1=81=D0=B5=D1=80=D1=82=D0=B8=D1=84=D0=B8=D0=BA=D0=B0=D1=82= =2E=20 =D0=98=D0=BD=D0=BE=D0=B3=D0=BE=D1=80=D0=BE=D0=B4=D0=BD=D0=B8=D0=BC = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=BD=D0=B8=D0=BA=D0=B0=D0=BC = =D0=BF=D0=BE=D0=BC=D0=BE=D0=B3=D0=B0=D0=B5=D0=BC =D0=B2 = =D0=B1=D1=80=D0=BE=D0=BD=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B8 = =D0=B3=D0=BE=D1=81=D1=82=D0=B8=D0=BD=D0=B8=D1=86=D1=8B. ------=_NextPart_000_00DD_01D1C0A1.5DDE1C40 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

23 - 24 =D0= =B8=D1=8E=D0=BD=D1=8F | =D0=B3. = =D0=9C=D0=BE=D1=81=D0=BA=D0=B2=D0=B0 | c 10:00 =D0=B4=D0=BE 17:30 = | = =D0=90=D1=80=D1=82= =D0=B8=D0=BA=D1=83=D0=BB: 421

=D0=93=D0=9E=D0=A1=D0=A3=D0=94=D0=90=D0=A0=D0=A1=D0=A2=D0= =92=D0=95=D0=9D=D0=9D=D0=AB=D0=99 =D0=9E=D0=91=D0=9E=D0=A0=D0=9E=D0=9D=D0= =9D=D0=AB=D0=99 =D0=97=D0=90=D0=9A=D0=90=D0=97.
=D0=9D=D0=9E=D0=92=D0=9E=D0= =95 =D0=92 =D0=9D=D0=9E=D0=A0=D0=9C=D0=90=D0=A2=D0=98=D0=92=D0=9D=D0=9E-=D0= =9F=D0=A0=D0=90=D0=92=D0=9E=D0=92=D0=9E=D0=9C = =D0=A0=D0=95=D0=93=D0=A3=D0=9B=D0=98=D0=A0=D0=9E=D0=92=D0=90=D0=9D=D0=98=D0= =98, =D0=90=D0=9A=D0=A2=D0=A3=D0=90=D0=9B=D0=AC=D0=9D=D0=AB=D0=95
=D0=92=D0=9E=D0=9F=D0=A0=D0= =9E=D0=A1=D0=AB =D0=A6=D0=95=D0=9D=D0=9E=D0=9E=D0=91=D0=A0=D0=90=D0=97=D0= =9E=D0=92=D0=90=D0=9D=D0=98=D0=AF, =D0=9E=D0=A2=D0=92=D0=95=D0=A2=D0=A1=D0= =A2=D0=92=D0=95=D0=9D=D0=9D=D0=9E=D0=A1=D0=A2=D0=AC =D0=97=D0=90 = =D0=9D=D0=95=D0=98=D0=A1=D0=9F=D0=9E=D0=9B=D0=9D=D0=95=D0=9D=D0=98=D0=95<= SPAN class=3DApple-converted-space>
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=D0=9F=D1=80=D0=B8=D0=BD=D0=B8=D0=BC=D0=B0=D1=8E=D1=82 = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=B8=D0=B5 = =D1=81=D0=BF=D0=B5=D1=86=D0=B8=D0=B0=D0=BB=D0=B8=D1=81=D1=82=D1=8B = =D0=A3=D0=BF=D1=80=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8F = =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0= =BD=D0=BE=D0=B3=D0=BE =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=B0 = =D0=A6=D0=B5=D0=BD=D1=82=D1=80=D0=B0=D0=BB=D1=8C=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B0=D0=BF=D0=BF=D0=B0=D1=80=D0=B0=D1=82=D0=B0 =D0=A4=D0=90=D0=A1 = =D0=A0=D0=BE=D1=81=D1=81=D0=B8=D0=B8, = =D0=BF=D1=80=D0=B5=D0=B4=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D1=82=D0=B5=D0=BB=D0= =B8 =D1=8D=D0=BA=D1=81=D0=BF=D0=B5=D1=80=D1=82=D0=BD=D1=8B=D1=85
=D0=B3=D1=80=D1=83=D0=BF=D0= =BF =D0=9F=D1=80=D0=B0=D0=B2=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D1=81=D1=82=D0= =B2=D0=B0 =D0=A0=D0=A4

=D0=9C=D0=B5=D1=81=D1=82=D0=BE = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8F: =D0=BC. = =D0=91=D0=B0=D1=83=D0=BC=D0=B0=D0=BD=D1=81=D0=BA=D0=B0=D1=8F, = =D1=83=D0=BB. =D0=91=D0=B0=D1=83=D0=BC=D0=B0=D0=BD=D1=81=D0=BA=D0=B0=D1=8F= , =D0=B4.6, =D1=81=D1=82=D1=80.2, =D0=91.=D0=A6. "=D0=92=D0=B8=D0=BA=D1=82=D0=BE=D1=80=D0=B8=D1=8F = =D0=9F=D0=BB=D0=B0=D0=B7=D0=B0".

=D0=9F= =D0=BE=D0=B4=D1=80=D0=BE=D0=B1=D0=BD=D0=B0=D1=8F = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D1=8F =D0=B8 = =D0=B7=D0=B0=D0=BF=D0=B8=D1=81=D1=8C =D0=BF=D0=BE = =D0=BD=D0=BE=D0=BC=D0=B5=D1=80=D1=83 = =D1=82=D0=B5=D0=BB=D0=B5=D1=84=D0=BE=D0=BD=D0=B0:

8 =D0=BA=D0=BE=D0=B4 =D0=B3=D0=BE=D1=80=D0=BE=D0=B4=D0=B0 = =D0=9C=D0=BE=D1=81=D0=BA=D0=B2=D1=8B (495) =D1=82=D0=B5=D0=BB.: 411 - 90 - 98.

=D0=92=D1=8B = =D0=BC=D0=BE=D0=B6=D0=B5=D1=82=D0=B5 = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=B2=D0=BE=D0=B2=D0=B0=D1=82=D1=8C = =D0=B2 =D0=BE=D0=B1=D1=83=D1=87=D0=B5=D0=BD=D0=B8=D0=B8 = =D0=BA=D0=B0=D0=BA =D0=BE=D1=82 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8= =D0=B8, =D1=82=D0=B0=D0=BA =D0=B8 =D0=BA=D0=B0=D0=BA = =D1=87=D0=B0=D1=81=D1=82=D0=BD=D0=BE=D0=B5 = =D0=BB=D0=B8=D1=86=D0=BE.
(=D0=BF=D0=BE=D0=B6=D0=B0=D0=BB=D1=83=D0=B9=D1= =81=D1=82=D0=B0 =D0=BD=D0=B5 =D0=BE=D1=82=D0=B2=D0=B5=D1=87=D0=B0=D0=B9=D1= =82=D0=B5 =D0=BD=D0=B0 =D0=BE=D0=B1=D1=80=D0=B0=D1=82=D0=BD=D1=8B=D0=B9 = =D0=B0=D0=B4=D1=80=D0=B5=D1=81 =D1=8D=D0=BB.=D0=BF=D0=BE=D1=87=D1=82=D1=8B= )

=D0=9F=D0=A0=D0=9E=D0=93=D0=A0=D0=90=D0=9C=D0=9C=D0=90= :

1. =D0=98=D0=B7=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D1=8F =D0=B2 = =D0=B7=D0=B0=D0=BA=D0=BE=D0=BD=D0=BE=D0=B4=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D1= =81=D1=82=D0=B2=D0=B5 =D0=BE =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1= =81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=BC = =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=BC = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=B5 (=D0=93=D0=9E=D0=97), = =D0=9A=D0=BE=D0=B4=D0=B5=D0=BA=D1=81=D0=B5 =D0=BE=D0=B1
    = =D0=B0=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82=D0=B8=D0= =B2=D0=BD=D1=8B=D1=85 =D0=BF=D1=80=D0=B0=D0=B2=D0=BE=D0=BD=D0=B0=D1=80=D1= =83=D1=88=D0=B5=D0=BD=D0=B8=D1=8F=D1=85 =D0=B2 =D0=A0=D0=A4 =D0=B8 = =D1=82.=D0=B4.

   =D0=9D=D0=BE=D1=80=D0=BC= =D1=8B =D0=B8 =D1=82=D1=80=D0=B5=D0=B1=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F= =D0=A4=D0=97 =E2=84=96 275-=D0=A4=D0=97 =D0=BE=D1=82 29 = =D0=B4=D0=B5=D0=BA=D0=B0=D0=B1=D1=80=D1=8F 2012 =D0=B3. "=D0=9E = =D0=93=D0=9E=D0=97";
   =D0=9D=D0=BE=D0=B2=D0=BE= =D0=B5 =D0=B2 =D1=81=D0=B8=D1=81=D1=82=D0=B5=D0=BC=D0=B5 = =D0=93=D0=9E=D0=97 =D0=B2 =D1=81=D0=BE=D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81= =D1=82=D0=B2=D0=B8=D0=B8 =D1=81 =D0=BF=D0=BE=D0=BB=D0=BE=D0=B6=D0=B5=D0=BD= =D0=B8=D1=8F=D0=BC=D0=B8 =D0=A4=D0=97 =E2=84=96 159-=D0=A4=D0=97 = =D0=BE=D1=82 29 =D0=B8=D1=8E=D0=BD=D1=8F 2015 =D0=B3.
   = "=D0=9E = =D0=B2=D0=BD=D0=B5=D1=81=D0=B5=D0=BD=D0=B8=D0=B8 = =D0=B8=D0=B7=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D0=B9 =D0=B2 = =D0=A4=D0=97 "=D0=9E =D0=93=D0=9E=D0=97" =D0=B8 = =D0=BE=D1=82=D0=B4=D0=B5=D0=BB=D1=8C=D0=BD=D1=8B=D0=B5 = =D0=B7=D0=B0=D0=BA=D0=BE=D0=BD=D0=BE=D0=B4=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0= =BD=D1=8B=D0=B5 =D0=B0=D0=BA=D1=82=D1=8B = =D0=A0=D0=A4".

2. =D0=9E=D1=81=D0=BD=D0=BE=D0=B2=D0=BD=D1=8B=D0=B5 = =D0=BF=D1=80=D0=B0=D0=B2=D0=B0 =D0=B8 = =D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0= =BD=D0=BE=D0=B3=D0=BE =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D1=87=D0=B8=D0=BA=D0= =B0, =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F,
    = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F.
3. =D0=9D=D0=BE=D0=B2=D1=8B=D0=B5= =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=BD=D1=8B=D0=B5 = =D0=BF=D1=80=D0=B0=D0=B2=D0=B0 =D0=B8 = =D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F. = =D0=9A=D0=BE=D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D1=8F = =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D0=BE=D0=B3=D0=BE
    = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F.
4. =D0=9D=D0=BE=D0=B2=D1=8B=D0=B5= =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=BD=D1=8B=D0=B5 = =D0=BF=D1=80=D0=B0=D0=B2=D0=B0 =D0=B8 = =D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F.
5. =D0=A4=D0=BE=D1=80=D0=BC=D0=B8= =D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D0=BA=D0=BE=D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D0=B8 = =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D1=8B=D0=BC=D0=B8 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F=D0=BC=D0= =B8 =D0=B8 =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1= =8F=D0=BC=D0=B8 =D0=93=D0=9E=D0=97. =D0=A3=D1=81=D0=BB=D0=BE=D0=B2=D0=B8=D1= =8F
   = ; =D0=B7=D0=B0=D0=BA=D0=BB=D1=8E=D1=87=D0=B0=D0=B5=D0=BC=D1=8B=D1=85 = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=BE=D0=B2 = =D0=BF=D0=BE =D0=93=D0=9E=D0=97.

6. =D0=9E=D0=B1=D0=B5=D1=81=D0=BF=D0=B5=D1=87=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BE=D0=BA = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D0=B8, = =D1=80=D0=B0=D0=B7=D0=BC=D0=B5=D1=89=D0=B5=D0=BD=D0=B8=D1=8F = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=BE=D0=B2 =D0=BD=D0=B0 = =D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BA=D0=B8 = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D0=B8.

7. =D0=97=D0=B0=D0=BA=D0=BB=D1=8E= =D1=87=D0=B5=D0=BD=D0=B8=D0=B5 =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80= =D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=B0. = =D0=92=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=B8=D0=B4=D0=B5=D0=BD=D1=82=D0=B8=D1=84=D0=B8=D0=BA=D0=B0=D1=82=D0=BE=D1= =80=D0=B0 =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0= =B5=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE
    = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=B0.

8. =D0=9A=D0=BE=D0=BD=D1=82=D1=80= =D0=BE=D0=BB=D1=8C =D0=B7=D0=B0 =D0=BE=D0=B1=D0=B5=D1=81=D0=BF=D0=B5=D1=87= =D0=B5=D0=BD=D0=B8=D0=B5=D0=BC =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA= =D1=82=D0=B0 =D0=B8 =D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BE=D0=BA = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D0=B8 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F=D0=BC=D0= =B8 =D0=B8/=D0=B8=D0=BB=D0=B8 =D0=B3=D0=BE=D0=BB=D0=BE=D0=B2=D0=BD=D1=8B=D0= =BC
   = ; =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D0=B5=D0=BC= =2E

9. =D0=9E=D1=82=D0=BA=D0=B0=D0=B7= =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2 = =D0=BA=D0=BE=D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D0=B8 = =D0=BE=D1=82 =D0=B7=D0=B0=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0=B8=D1=8F= =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=BE=D0=B2 =D0=B2 = =D1=80=D0=B0=D0=BC=D0=BA=D0=B0=D1=85 = =D1=81=D0=BE=D0=BF=D1=80=D0=BE=D0=B2=D0=BE=D0=B6=D0=B4=D0=B0=D0=B5=D0=BC=D0= =BE=D0=B9 =D1=81=D0=B4=D0=B5=D0=BB=D0=BA=D0=B8.
    = =D0=90=D0=BB=D0=B3=D0=BE=D1=80=D0=B8=D1=82=D0=BC = =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D1=8B =D0=BF=D0=BE = =D1=83=D1=80=D0=B5=D0=B3=D1=83=D0=BB=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0= =B8=D1=8E =D1=80=D0=B0=D0=B7=D0=BD=D0=BE=D0=B3=D0=BB=D0=B0=D1=81=D0=B8=D0= =B9; =D0=A0=D0=B5=D0=B6=D0=B8=D0=BC =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0= =B7=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F = =D0=BE=D1=82=D0=B4=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D0=B3=D0=BE = =D1=81=D1=87=D0=B5=D1=82=D0=B0 =D0=B8
    = =D0=B7=D0=B0=D0=BF=D1=80=D0=B5=D1=82=D1=8B =D0=BD=D0=B0 = =D1=81=D0=BE=D0=B2=D0=B5=D1=80=D1=88=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D0=B9; = =D0=9A=D1=80=D0=B8=D1=82=D0=B5=D1=80=D0=B8=D0=B8 = =D0=BE=D0=BF=D0=B5=D1=80=D0=B0=D1=86=D0=B8=D0=B9, = =D0=BF=D1=80=D0=B8=D0=BE=D1=81=D1=82=D0=B0=D0=BD=D0=B0=D0=B2=D0=BB=D0=B8=D0= =B2=D0=B0=D0=B5=D0=BC=D1=8B=D1=85 =D0=B2 = =D1=81=D0=BE=D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0=B2=D0=B8=D0=B8 = =D1=81
  &n= bsp; =D0=A4=D0=B5=D0=B4=D0=B5=D1=80=D0=B0=D0=BB=D1=8C=D0=BD=D1=8B=D0=BC = =D0=B7=D0=B0=D0=BA=D0=BE=D0=BD=D0=BE=D0=BC =C2=AB=D0=9E = =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0= =BD=D0=BE=D0=BC =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=BC = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=B5=C2=BB =D0=B8 = =D1=82.=D0=B4.

10. =D0=A3=D1=81=D0=BB=D0=BE=D0=B2=D0=B8=D1=8F = =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0= =BD=D1=8B=D1=85 =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=BE=D0= =B2, =D1=83=D1=81=D1=82=D0=B0=D0=BD=D0=B0=D0=B2=D0=BB=D0=B8=D0=B2=D0=B0=D1= =8E=D1=89=D0=B8=D0=B5 =D1=80=D0=B0=D0=B7=D0=BC=D0=B5=D1=80 = =D0=BF=D1=80=D0=B8=D0=B1=D1=8B=D0=BB=D0=B8 =D0=B8 (=D0=B8=D0=BB=D0=B8) = =D0=BF=D0=BE=D1=80=D1=8F=D0=B4=D0=BE=D0=BA
    &n= bsp; =D0=BA=D0=BE=D0=BC=D0=BF=D0=B5=D0=BD=D1=81=D0=B0=D1=86=D0=B8=D0=B8 = =D0=BF=D0=BE=D0=BD=D0=B5=D1=81=D0=B5=D0=BD=D0=BD=D1=8B=D1=85 = =D0=B7=D0=B0 =D1=81=D1=87=D0=B5=D1=82 = =D1=81=D0=BE=D0=B1=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D1=8B=D1=85 = =D1=81=D1=80=D0=B5=D0=B4=D1=81=D1=82=D0=B2 = =D1=80=D0=B0=D1=81=D1=85=D0=BE=D0=B4=D0=BE=D0=B2 =D0=BD=D0=B0 = =D1=84=D0=BE=D1=80=D0=BC=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D0=B7=D0=B0=D0=BF=D0=B0=D1=81=D0=B0
    &n= bsp; =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D0=B8, = =D1=81=D1=8B=D1=80=D1=8C=D1=8F, =D0=BC=D0=B0=D1=82=D0=B5=D1=80=D0=B8=D0=B0= =D0=BB=D0=BE=D0=B2, =D0=BF=D0=BE=D0=BB=D1=83=D1=84=D0=B0=D0=B1=D1=80=D0=B8= =D0=BA=D0=B0=D1=82=D0=BE=D0=B2, =D0=BA=D0=BE=D0=BC=D0=BF=D0=BB=D0=B5=D0=BA= =D1=82=D1=83=D1=8E=D1=89=D0=B8=D1=85 = =D0=B8=D0=B7=D0=B4=D0=B5=D0=BB=D0=B8=D0=B9, = =D0=BD=D0=B5=D0=BE=D0=B1=D1=85=D0=BE=D0=B4=D0=B8=D0=BC=D0=BE=D0=B3=D0=BE = =D0=B4=D0=BB=D1=8F
&n= bsp;     =D0=B2=D1=8B=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0= =BD=D0=B8=D1=8F =D0=93=D0=9E=D0=97;

11. =D0=98=D1=81=D1=82=D0=BE=D1=87=D0=BD=D0=B8=D0=BA=D0=B8 = =D1=84=D0=B8=D0=BD=D0=B0=D0=BD=D1=81=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0= =B8=D1=8F =D1=80=D0=B0=D0=B1=D0=BE=D1=82 =D0=BF=D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=B0=D0=BC, = =D0=B7=D0=B0=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0=BD=D1=8B=D0=BC = =D1=81 =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8F= =D0=BC=D0=B8 =D0=B8
&= nbsp;     =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D1=87=D0=B8=D0= =BA=D0=B0=D0=BC=D0=B8.

12. =D0= =91=D0=B0=D0=BD=D0=BA=D0=BE=D0=B2=D1=81=D0=BA=D0=BE=D0=B5 = =D1=81=D0=BE=D0=BF=D1=80=D0=BE=D0=B2=D0=BE=D0=B6=D0=B4=D0=B5=D0=BD=D0=B8=D0= =B5 =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0= =BD=D0=BD=D0=BE=D0=B3=D0=BE =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1= =82=D0=B0 =D0=B8 =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=BA=D1=82=D0=BE=D0= =B2 =D0=BF=D0=BE =D0=93=D0=9E=D0=97

13. =D0=93=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80=D1=81=D1=82=D0=B2=D0=B5=D0=BD= =D0=BD=D1=8B=D0=B9 =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8C = (=D0=BD=D0=B0=D0=B4=D0=B7=D0=BE=D1=80) =D0=B2 = =D1=81=D1=84=D0=B5=D1=80=D0=B5 =D0=B3=D0=BE=D1=81=D1=83=D0=B4=D0=B0=D1=80= =D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE = =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE = =D0=B7=D0=B0=D0=BA=D0=B0=D0=B7=D0=B0.

14. =D0=9D=D0=BE=D0=B2=D1=8B=D0=B5 =D0=BF=D1=80=D0=B0=D0=B2=D0=B8=D0=BB=D0=B0= =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0= =D0=BD=D0=B8=D1=8F =D0=BD=D0=B0 =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86= =D0=B8=D1=8E =D0=BE=D0=B1=D0=BE=D1=80=D0=BE=D0=BD=D0=BD=D0=BE=D0=B3=D0=BE= =D0=BD=D0=B0=D0=B7=D0=BD=D0=B0=D1=87=D0=B5=D0=BD=D0=B8=D1=8F.

15. =D0=9F=D0=BE=D1=80=D1=8F=D0=B4= =D0=BE=D0=BA =D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8F = =D1=80=D0=B0=D0=B7=D0=B4=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D0=B3=D0=BE = =D1=83=D1=87=D0=B5=D1=82=D0=B0 =D0=B7=D0=B0=D1=82=D1=80=D0=B0=D1=82 = =D0=B8 =D1=80=D0=B5=D0=B7=D1=83=D0=BB=D1=8C=D1=82=D0=B0=D1=82=D0=BE=D0=B2= =D1=84=D0=B8=D0=BD=D0=B0=D0=BD=D1=81=D0=BE=D0=B2=D0=BE-=D1=85=D0=BE=D0=B7= =D1=8F=D0=B9=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=B9
    &n= bsp; =D0=B4=D0=B5=D1=8F=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D1=81=D1=82=D0= =B8 =D0=B2 =D1=81=D1=84=D0=B5=D1=80=D0=B5 = =D0=93=D0=9E=D0=97.

16. =D0=9D=D0=BE=D0=B2=D1=8B=D0=B5 =D0=BF=D0=BE=D0=BB=D0=BD=D0=BE=D0=BC=D0=BE= =D1=87=D0=B8=D1=8F =D0=A4=D0=90=D0=A1 = =D0=A0=D0=BE=D1=81=D1=81=D0=B8=D0=B8 =D0=BF=D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8E =D0=B2 = =D1=81=D1=84=D0=B5=D1=80=D0=B5 =D0=93=D0=9E=D0=97, =D0=B0 = =D1=82=D0=B0=D0=BA=D0=B6=D0=B5 =D1=80=D0=B5=D0=B3=D0=B8=D1=81=D1=82=D1=80= =D0=B0=D1=86=D0=B8=D0=B8 =D1=86=D0=B5=D0=BD =D0=BD=D0=B0
    &n= bsp; =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=86=D0=B8=D1=8E, = =D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BB=D1=8F=D0=B5=D0=BC=D1=83=D1=8E = =D0=BF=D0=BE =D0=93=D0=9E=D0=97.

17. =D0=90=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82=D0=B8= =D0=B2=D0=BD=D0=B0=D1=8F =D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0=B2= =D0=B5=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D1=8C =D0=B2 = =D0=9A=D0=BE=D0=B4=D0=B5=D0=BA=D1=81=D0=B5 =D0=BE=D0=B1 = =D0=B0=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=82=D0=B8=D0= =B2=D0=BD=D1=8B=D1=85 =D0=BF=D1=80=D0=B0=D0=B2=D0=BE=D0=BD=D0=B0=D1=80=D1= =83=D1=88=D0=B5=D0=BD=D0=B8=D1=8F=D1=85 =D0=B2 =D0=A0=D0=A4:
    &n= bsp; =D0=B2=D0=B8=D0=B4=D1=8B =D0=BF=D1=80=D0=B0=D0=B2=D0=BE=D0=BD=D0=B0=D1= =80=D1=83=D1=88=D0=B5=D0=BD=D0=B8=D0=B9 =D0=B8 = =D1=80=D0=B0=D0=B7=D0=BC=D0=B5=D1=80 = =D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D1= =81=D1=82=D0=B8. =D0=9E=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0=B2=D0=B5=D0= =BD=D0=BD=D0=BE=D1=81=D1=82=D1=8C =D0=B7=D0=B0 = =D0=BD=D0=B5=D0=B4=D0=BE=D0=B1=D1=80=D0=BE=D1=81=D0=BE=D0=B2=D0=B5=D1=81=D1= =82=D0=BD=D0=BE=D0=B5       =D0=B2=D1=8B=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5= =D0=BD=D0=B8=D0=B5 =D0=93=D0=9E=D0=97 =D0=B2 = =D1=81=D0=BE=D0=BE=D1=82=D0=B2=D0=B5=D1=82=D1=81=D1=82=D0=B2=D0=B8=D0=B8 = =D1=81 =D1=82=D1=80=D0=B5=D0=B1=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F=D0=BC= =D0=B8 =D0=9F=D0=BE=D1=81=D1=82=D0=B0=D0=BD=D0=BE=D0=B2=D0=BB=D0=B5=D0=BD= =D0=B8=D1=8F =D0=9F=D1=80=D0=B0=D0=B2=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D1=81= =D1=82=D0=B2=D0=B0 =E2=84=96 1211 =D0=BE=D1=82 = 22
      = =D0=BD=D0=BE=D1=8F=D0=B1=D1=80=D1=8F 2012 =D0=B3.

   =D0=A3=D1=87=D0=B0=D1=81=D1=82=D0=B8=D0=B5:<= SPAN class=3DApple-converted-space> 29 800 = =D1=80=D1=83=D0=B1. <= BR>   =D0=92 =D1=81=D1=82=D0=BE=D0=B8=D0=BC=D0=BE=D1=81=D1=82=D1= =8C =D0=B2=D1=85=D0=BE=D0=B4=D0=B8=D1=82 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D0=B9 = =D0=BC=D0=B0=D1=82=D0=B5=D1=80=D0=B8=D0=B0=D0=BB, = =D0=BE=D0=B1=D0=B5=D0=B4=D1=8B, =D0=BA=D0=BE=D1=84=D0=B5-=D0=BF=D0=B0=D1=83= =D0=B7=D1=8B, =D1=81=D0=B5=D1=80=D1=82=D0=B8=D1=84=D0=B8=D0=BA=D0=B0=D1=82= =2E
   = =D0=98=D0=BD=D0=BE=D0=B3=D0=BE=D1=80=D0=BE=D0=B4=D0=BD=D0=B8=D0=BC = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=BD=D0=B8=D0=BA=D0=B0=D0=BC = =D0=BF=D0=BE=D0=BC=D0=BE=D0=B3=D0=B0=D0=B5=D0=BC =D0=B2 = =D0=B1=D1=80=D0=BE=D0=BD=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B8 = =D0=B3=D0=BE=D1=81=D1=82=D0=B8=D0=BD=D0=B8=D1=86=D1=8B.

= ------=_NextPart_000_00DD_01D1C0A1.5DDE1C40-- From wagi@monom.org Tue Jun 7 02:51:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5D0217CA0 for ; Tue, 7 Jun 2016 02:51:44 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2DF06304043 for ; Tue, 7 Jun 2016 00:51:40 -0700 (PDT) X-ASG-Debug-ID: 1465285895-04cbb03569bce9b0001-NocioJ Received: from hotel311.server4you.de (hotel311.server4you.de [85.25.146.15]) by cuda.sgi.com with ESMTP id itoCgL5bFFycl45i (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 07 Jun 2016 00:51:36 -0700 (PDT) X-Barracuda-Envelope-From: wagi@monom.org X-Barracuda-Effective-Source-IP: hotel311.server4you.de[85.25.146.15] X-Barracuda-Apparent-Source-IP: 85.25.146.15 Received: from hotel311.server4you.de (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id 981F6194072A; Tue, 7 Jun 2016 09:51:34 +0200 (CEST) Received: from handman.bmw-carit.intra (unknown [212.118.206.70]) by hotel311.server4you.de (Postfix) with ESMTPSA id 632651940118; Tue, 7 Jun 2016 09:51:34 +0200 (CEST) Subject: Re: crash in xfs in current To: Christoph Hellwig , Eric Sandeen , reinoudkoornstra@gmail.com X-ASG-Orig-Subj: Re: crash in xfs in current References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> Cc: xfs@oss.sgi.com, viro@zeniv.linux.org.uk From: Daniel Wagner Message-ID: Date: Tue, 7 Jun 2016 09:51:34 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: <20160607062717.GA30022@infradead.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: hotel311.server4you.de[85.25.146.15] X-Barracuda-Start-Time: 1465285896 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 372 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30238 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header > Given that 4.7-rc1 comes with the new shared locks for lookups, and > there are very little other changes I wonder if there is any relation > It would be good if Reinoud and/or Daniel can confirm that Linux 4.6 > is ok. I try to reproduce it on 4.6. My steps do not always trigger the crash. So I can't be really sure if 4.6 doesn't show it, it does not happen. From reinoudkoornstra@gmail.com Tue Jun 7 03:09:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AA7AA7CA1 for ; Tue, 7 Jun 2016 03:09:56 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0F76AAC004 for ; Tue, 7 Jun 2016 01:09:55 -0700 (PDT) X-ASG-Debug-ID: 1465286990-04cb6c2dbbb97360001-NocioJ Received: from mail-qk0-f170.google.com (mail-qk0-f170.google.com [209.85.220.170]) by cuda.sgi.com with ESMTP id NxqjdGMIZdk82WQq (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 01:09:50 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qk0-f170.google.com[209.85.220.170] X-Barracuda-Apparent-Source-IP: 209.85.220.170 Received: by mail-qk0-f170.google.com with SMTP id p22so37272360qka.2 for ; Tue, 07 Jun 2016 01:09:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=aU1+xmWpoCRgF/M8jB4t3tLoOXYNqWZYUrI3RsBLNSo=; b=do/uAsvwy/j52UPR55nk11VEOpVxv9pg+Wbq8noWMf7mDJ93wQgnIYVarVTRxwzzvI NIQnrN0632SbzRsEkSVb3fx/4hFrYR2u/7pjTNOAUaBhk41EXT8cypZsdwtC4f8Xjt7p dL9slhtNo33zOFYSf46i3nzeZLoso3johoz1Z2/gVO/qtKO1fGrSZ0WQtenKttuOzfO2 FkHHEkE/xCHLkCgz6/0L39p2jRW0i+1r847z6slhtTTXavYnsgAZ9kEEz68H7i0fh1mG dZz5FeVdq92k2yciG3ruaLQEoijZH5CJXwXvykGqRR9A4RO6eAB+EVGv7qHcBG2BurOU /hdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=aU1+xmWpoCRgF/M8jB4t3tLoOXYNqWZYUrI3RsBLNSo=; b=gVADd3I2N4488mPKfPZVO8KspIEihPSlaHZ26fIVA9kdJZjD2dglPyyJ5MPbah9mW5 NHxrJaNpDsU+LTVUyDHTSBVlZQBxeLZ5UPYrhv0dkKdRLyfCiKomOMsQl/AWAFuEJ0LX 3FKeG6xJ7gdRAHgEyE3I6tObKCuX6DIpPtLwagXbPK1t8ySioNqapeYjV8sDLnWA/qhz ODf0RS6q9rzAf+xTryaNhdd0Cg4PDRC0bnQ/6yTc/9t/sy+/qYC2/E29PRtVWYBVnYIZ 4QHp1OvjtwV1zou3n2kVZNxsN6al3OlDpApmvh45QQ6LqI0MMIMYz63GyGa14dzByCkx ekWg== X-Gm-Message-State: ALyK8tKc4ZIO7h3rbIbCsX3EvC2tRSkBNNZDuesYAycN3ZKnq4q4kUSu6hWoqF8y+hrP65+zTySRjbsWOL3dSw== X-Received: by 10.55.171.75 with SMTP id u72mr20322031qke.114.1465286989919; Tue, 07 Jun 2016 01:09:49 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.8.16 with HTTP; Tue, 7 Jun 2016 01:09:49 -0700 (PDT) In-Reply-To: References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> From: Reinoud Koornstra Date: Tue, 7 Jun 2016 02:09:49 -0600 Message-ID: Subject: Re: crash in xfs in current To: Daniel Wagner X-ASG-Orig-Subj: Re: crash in xfs in current Cc: Christoph Hellwig , Eric Sandeen , xfs@oss.sgi.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qk0-f170.google.com[209.85.220.170] X-Barracuda-Start-Time: 1465286990 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 851 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30238 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Jun 7, 2016 at 1:51 AM, Daniel Wagner wrote: >> Given that 4.7-rc1 comes with the new shared locks for lookups, and >> there are very little other changes I wonder if there is any relation >> It would be good if Reinoud and/or Daniel can confirm that Linux 4.6 >> is ok. > > I try to reproduce it on 4.6. My steps do not always trigger the crash. > So I can't be really sure if 4.6 doesn't show it, it does not happen. I have never been able to trigger this in 4.6 and it's my failsafe reboot (4.6.0). In 4.7-rc1 it's just a matter of time before I hit it. I do a lot of transactions, using git, extraction of tar.xz etc normally. I am normally able to trigger this by a move of a big directory. It gets stuck there, a kill -9 doesn't either. So 4.6 is my safehaven to any xfs operation. Thanks, Reinoud. From reinoudkoornstra@gmail.com Tue Jun 7 04:33:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C9DA77CA2 for ; Tue, 7 Jun 2016 04:33:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 99DB38F8037 for ; Tue, 7 Jun 2016 02:33:35 -0700 (PDT) X-ASG-Debug-ID: 1465292013-04cbb03569bd2ce0001-NocioJ Received: from mail-qg0-f49.google.com (mail-qg0-f49.google.com [209.85.192.49]) by cuda.sgi.com with ESMTP id 8FCHhBaXm0lLGMSw (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 02:33:33 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qg0-f49.google.com[209.85.192.49] X-Barracuda-Apparent-Source-IP: 209.85.192.49 Received: by mail-qg0-f49.google.com with SMTP id q32so55236149qgq.3 for ; Tue, 07 Jun 2016 02:33:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=A16Jv5nHKDnACKotxB46Km7GQ25hyKfbU1g5vh+Woos=; b=f4jXpBljtH+jV4RfJcyM8EPPv+meJImkKOcqYt/ZClYge5S3iyYddedwDYMalxXZhd re3+NyUYGVivftlI00XvOwT3xxqgWivy4m42Rm5xshtDnXzKbytHXccxbDR5F/7ZpQIY mf/Nv7yDGpRbBSyM9n0KoqZwlslRwNEraGlbWXeQd0NydI/oHA7ZjiU1DbYnlOgekzrN tZ7zPgMgUN4wcYG0Z0Cw3RL270FSiUU6tShGqV/CwaWG1KxoVH4FdSvy/P3K7gjurZ/d FxcplkBuIrFT/FaZ3TLulaqBBQ1fjjLisvc6l0W2dE6SrdhTJnJhtZRMiBZz9cmWNSW0 rroA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=A16Jv5nHKDnACKotxB46Km7GQ25hyKfbU1g5vh+Woos=; b=J2Q+1SZwxF5WKJMUI8A2dKw2Xy1IFWnQ9FI6QYDBgqWg2ILj2hsqN4eBPvgopvYmd4 SPQJwRzaPrId5GP8+NoI4pptTAhGPCrAI90Z2NdoHmkmNahq8Db/z6n7tfm7mvnAxp9n NfEVBIUrunrBM9r1j7ArUD9kEhl8em5tK4f1GT95ual6wZ5TqflIurEkniNO3rPR3kAt UG8MPd4Sdu21O3AmqOXcRz36N1lwFVy1S/5SKq+wlg0M0sr1B+Rc1Aw4pC0DF96hP9SH 6IT8Rjd205ezikllAdyaKSEm8B/rV5v3eFXho346Od5u3p0sWsaPjFkZumIWh5YDdqy1 NPfw== X-Gm-Message-State: ALyK8tL/Q8czahze3HqdGUVMJpsqZMOVwQuVlgECWtUCUhPigRHA9CN986MKhQWGv+DeVTgmk0ebufNPgNlT5w== X-Received: by 10.140.108.183 with SMTP id j52mr19543572qgf.90.1465292012995; Tue, 07 Jun 2016 02:33:32 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.8.16 with HTTP; Tue, 7 Jun 2016 02:33:32 -0700 (PDT) In-Reply-To: <20160607062717.GA30022@infradead.org> References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> From: Reinoud Koornstra Date: Tue, 7 Jun 2016 03:33:32 -0600 Message-ID: Subject: Re: crash in xfs in current To: Christoph Hellwig X-ASG-Orig-Subj: Re: crash in xfs in current Cc: Eric Sandeen , xfs@oss.sgi.com, Daniel Wagner , viro@zeniv.linux.org.uk Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qg0-f49.google.com[209.85.192.49] X-Barracuda-Start-Time: 1465292013 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2173 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30240 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Jun 7, 2016 at 12:27 AM, Christoph Hellwig wrote: > On Mon, Jun 06, 2016 at 11:39:59PM -0500, Eric Sandeen wrote: >> xfs_dir2_leaf_lookup_int() only hits that ASSERT if it was given >> a name to rename, and failed to find the original. i.e. that should >> not happen. >> >> /* >> * Loop over all the entries with the right hash value >> * looking to match the name. >> */ >> >> >> >> >> >> ASSERT(args->op_flags & XFS_DA_OP_OKNOENT); >> /* >> * Here, we can only be doing a lookup (not a rename or remove). >> * If a case-insensitive match was found earlier, re-read the >> * appropriate data block if required and return it. >> */ >> >> A rename should never fail to find the original name. > > FYI, this looks very much the same like the Bug Daniel reported, which > I tried to help debugging in person over the weekend. His backtrace > points to cancelling a dirty transaction after xfs_dir_replace failed, > which most likely comes from the failing lookup, except that he probably > doen't have XFS_DEBUG enabled. In my case, it looks like that the lookup failed. First you try to find the xfs_buf, lbp if the pointer to that buffer. Then you try to find the leaf entry with the same hash value. Then you look over the entries with the hash value and look if the names match. Hopefully XFS_CMP_EXACT is returned. What I do NOT get is why this flag needs to be set: XFS_DA_OP_OKNOENT I see it being set in xfs_attr_{get, set, remove}, but I am not able to see that anywhere in the path of this function. In each of these xfs_attrs I see locks acquired and locked released, no problem, other than that it's assumed the you obtain the lock. If the beginning checks during the lock process don't work out you ASSERT. > > Given that 4.7-rc1 comes with the new shared locks for lookups, and > there are very little other changes I wonder if there is any relation > It would be good if Reinoud and/or Daniel can confirm that Linux 4.6 > is ok. From eflorac@intellique.com Tue Jun 7 05:51:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E4DFC7CA4 for ; Tue, 7 Jun 2016 05:51:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id B4DAF304048 for ; Tue, 7 Jun 2016 03:51:28 -0700 (PDT) X-ASG-Debug-ID: 1465296685-04cb6c2dbab9da90001-NocioJ Received: from mail1.g1.pair.com (mail1.g1.pair.com [66.39.3.162]) by cuda.sgi.com with ESMTP id lA8NsAP5BfRUE0Ml (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 07 Jun 2016 03:51:26 -0700 (PDT) X-Barracuda-Envelope-From: eflorac@intellique.com X-Barracuda-Effective-Source-IP: mail1.g1.pair.com[66.39.3.162] X-Barracuda-Apparent-Source-IP: 66.39.3.162 Received: from localhost (localhost [127.0.0.1]) by mail1.g1.pair.com (Postfix) with SMTP id 80728547ADC for ; Tue, 7 Jun 2016 06:51:25 -0400 (EDT) Received: from harpe.intellique.com (labo.djinux.com [82.225.196.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail1.g1.pair.com (Postfix) with ESMTPSA id 28A05547B78 for ; Tue, 7 Jun 2016 06:51:25 -0400 (EDT) Date: Tue, 7 Jun 2016 12:51:27 +0200 From: Emmanuel Florac To: xfs@oss.sgi.com Subject: determining superblock version? Message-ID: <20160607125127.6dd23aef@harpe.intellique.com> X-ASG-Orig-Subj: determining superblock version? Organization: Intellique X-Mailer: Claws Mail 3.13.1 (GTK+ 2.24.30; i486-slackware-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail1.g1.pair.com[66.39.3.162] X-Barracuda-Start-Time: 1465296686 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1458 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30241 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi all, as you know kernel prior to 3.16 won't support properly v5 superblocks. xfsprogs v 3.2.4 and higher defaults to v5 superblocks. This bit quite a lot of people a year ago or so, when some distributions shipped 3.2.4 xfsprogs with older kernels. Anyway, I was surprised to find no easy way to find out the superblock version of an xfs FS. The best I've come across is xfs_db /dev/this sb p versionnum = 0xb4a5 So I suppose that the 5 in the end means that the superblock is v5? Can anyone confirm please? The man page still pretends that the last number should be 1 to 4, which is confusing. Oh by the way I think the trick to create a v4 filesystem with mkfs.xfs higher than 3.2.4 ( mkfs.xfs -m crc=0,finobt=0 /dev/this ) should be in the FAQ, with a line like this: Mounting the filesystem fails, and output from dmesg says "Version 5 superblock detected." What should I do? v5 superblocks require a kernel v3.16 of higher. If you need your xfs filesystem to be usable with older kernel, use the following options to mkfs.xfs : mkfs.xfs -m crc=0,finobt=0 /dev/this -- ------------------------------------------------------------------------ Emmanuel Florac | Direction technique | Intellique | | +33 1 78 94 84 02 ------------------------------------------------------------------------ From wagi@monom.org Tue Jun 7 05:52:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8786D7CA7 for ; Tue, 7 Jun 2016 05:52:44 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 49BF0304032 for ; Tue, 7 Jun 2016 03:52:44 -0700 (PDT) X-ASG-Debug-ID: 1465296760-04bdf05ad4bbbc80001-NocioJ Received: from hotel311.server4you.de (hotel311.server4you.de [85.25.146.15]) by cuda.sgi.com with ESMTP id mJsW6AtMODVvJMKv (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 07 Jun 2016 03:52:42 -0700 (PDT) X-Barracuda-Envelope-From: wagi@monom.org X-Barracuda-Effective-Source-IP: hotel311.server4you.de[85.25.146.15] X-Barracuda-Apparent-Source-IP: 85.25.146.15 Received: from hotel311.server4you.de (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id A8D11194072A; Tue, 7 Jun 2016 12:52:39 +0200 (CEST) Received: from handman.bmw-carit.intra (unknown [212.118.206.70]) by hotel311.server4you.de (Postfix) with ESMTPSA id 73D391940118; Tue, 7 Jun 2016 12:52:39 +0200 (CEST) Subject: Re: crash in xfs in current To: Reinoud Koornstra X-ASG-Orig-Subj: Re: crash in xfs in current References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> Cc: Christoph Hellwig , Eric Sandeen , xfs@oss.sgi.com, viro@zeniv.linux.org.uk From: Daniel Wagner Message-ID: <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> Date: Tue, 7 Jun 2016 12:52:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: hotel311.server4you.de[85.25.146.15] X-Barracuda-Start-Time: 1465296761 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 503 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30241 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header >> I try to reproduce it on 4.6. My steps do not always trigger the crash. >> So I can't be really sure if 4.6 doesn't show it, it does not happen. > > I have never been able to trigger this in 4.6 and it's my failsafe > reboot (4.6.0). > In 4.7-rc1 it's just a matter of time before I hit it. > I do a lot of transactions, using git, extraction of tar.xz etc normally. This rings a bell. I though the lockperf tests triggered it. Before I compiled a new kernel I did a 'git checkout' step. From reinoudkoornstra@gmail.com Tue Jun 7 06:07:14 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE, T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E82297CAF for ; Tue, 7 Jun 2016 06:07:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id AD47E304032 for ; Tue, 7 Jun 2016 04:07:11 -0700 (PDT) X-ASG-Debug-ID: 1465297629-04cb6c2dbab9dfa0001-NocioJ Received: from mail-qt0-f177.google.com (mail-qt0-f177.google.com [209.85.216.177]) by cuda.sgi.com with ESMTP id SzuvHV64DJzehps8 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 04:07:09 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qt0-f177.google.com[209.85.216.177] X-Barracuda-Apparent-Source-IP: 209.85.216.177 Received: by mail-qt0-f177.google.com with SMTP id 23so20644098qtq.0 for ; Tue, 07 Jun 2016 04:07:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=rZdnAFMBnXXTqxT3Z3pumVbot0LMkmmaixir7A6Ak0w=; b=hqioXDBuI9rlJ6WBZtAePBTxDWo+hSfOwHMEnEv7OeaOjyg/RFyNXxaXAvDCUPwldx WOj3mc53sMWQ9tGnIW5tOUIWT8P/VlIQbEapXXPPZGQLoiLFm1vFMV9yd102s7bJ3HEd vPMKKqUY1V1ij6XWIU0yvz8B5aPYaOxf9vsWf93wlxWkYjm94gKWwDExgS8aK3dgwYMN jIIE7PFM7HwREsodrQkSnz+WGA+tgkaLL6q7sM6XED4AnpA7il74/9tLDXI/itg3mQrr 8XID5PUtwwX4fRzeaVkIliegMpmz1bmbRco54iC6v4gwLLrKUOm341317Wri1BuZbOTo kd2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=rZdnAFMBnXXTqxT3Z3pumVbot0LMkmmaixir7A6Ak0w=; b=VUm3hwGahUla8znoSxxY96VeJY4+WCWiholtybnIbHsoYRVYaTOGEKy5ao7b4nCnYc J2/ex23lN7G2w0Sj3m8pDSrx6etPvJ81hBZd9Aiut9B7iiKGcBvQhPimfTA+QY2d0tBg kP09jUHsM/Bzydz7VkxzEkPx6A70njuYXhceTvBuNu1qK9vpzfFJQ/Qp6pFb1gdBtHcC E9cJqk82w5t0Bwz93eHWug+R7CeqOwAbe43GFrdGskD4iyZj/hGj0kiF7mxQsTKKj930 V5sJsYX3qBPcHN5T48IcrXQRhSsH15XHMXrjxBVrPCWabfJn10r8plcCguXp5i3O/QiE JE6Q== X-Gm-Message-State: ALyK8tKf0wyf1Db50ZhV/pAstcN7p/+G+1C25QFtzapMpgUhLyd90W/lgrIiUw0oD0lOqFC35fwifjnjkL8+Dw== MIME-Version: 1.0 X-Received: by 10.237.56.225 with SMTP id k88mr19275108qte.86.1465297628834; Tue, 07 Jun 2016 04:07:08 -0700 (PDT) Received: by 10.55.8.16 with HTTP; Tue, 7 Jun 2016 04:07:08 -0700 (PDT) Received: by 10.55.8.16 with HTTP; Tue, 7 Jun 2016 04:07:08 -0700 (PDT) In-Reply-To: <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> Date: Tue, 7 Jun 2016 05:07:08 -0600 Message-ID: Subject: Re: crash in xfs in current From: Reinoud Koornstra X-ASG-Orig-Subj: Re: crash in xfs in current To: Daniel Wagner Cc: xfs@oss.sgi.com, viro@zeniv.linux.org.uk, Eric Sandeen , Christoph Hellwig Content-Type: multipart/alternative; boundary=001a113fe944a835110534ae3030 X-Barracuda-Connect: mail-qt0-f177.google.com[209.85.216.177] X-Barracuda-Start-Time: 1465297629 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3265 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30241 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --001a113fe944a835110534ae3030 Content-Type: text/plain; charset=UTF-8 On Jun 7, 2016 4:52 AM, "Daniel Wagner" wrote: > > >> I try to reproduce it on 4.6. My steps do not always trigger the crash. > >> So I can't be really sure if 4.6 doesn't show it, it does not happen. > > > > I have never been able to trigger this in 4.6 and it's my failsafe > > reboot (4.6.0). > > In 4.7-rc1 it's just a matter of time before I hit it. > > I do a lot of transactions, using git, extraction of tar.xz etc normally. > > This rings a bell. I though the lockperf tests triggered it. Before I > compiled a new kernel I did a 'git checkout' step. Yeah, could well be. During big git operations I get into this and while I was trying to compile GCC 6.1.0 and I was moving mpfc dir into gcc/mpfc for example. The move never completed. I do use git to get the latest kernel sources for wireless testing. With the 4.6.0 I didn't hit problems. Ever since I started using 4.7 I kept crashing on asserts in xfs. :) As I hit this frequently I can instrument. I did write some instrumentation to display the args flags before the assert, but from Eric's work, it doesn't seem these are important at all as it might be a locking issue. I will say that it sounds most likely a locking issue to me , because sometimes I just hang in an fs operation and it never completes. Even trying to kill the mv operation doesn't work. I can try to reproduce tomorrow and either reach the assert or get stuck in a lock in which case trace-cmd might help. Thanks, Reinoud. --001a113fe944a835110534ae3030 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

On Jun 7, 2016 4:52 AM, "Daniel Wagner" <wagi@monom.org> wrote:
>
> >> I try to reproduce it on 4.6. My steps do not always trigger = the crash.
> >> So I can't be really sure if 4.6 doesn't show it, it = does not happen.
> >
> > I have never been able to trigger this in 4.6 and it's my fai= lsafe
> > reboot (4.6.0).
> > In 4.7-rc1 it's just a matter of time before I hit it.
> > I do a lot of transactions, using git, extraction of tar.xz etc n= ormally.
>
> This rings a bell. I though the lockperf tests triggered it. Before I<= br> > compiled a new kernel I did a 'git checkout' step.

Yeah, could well be. During big git operations I get into th= is and while I was trying to compile GCC 6.1.0 and I was moving mpfc dir in= to gcc/mpfc for example. The move never completed. I do use git to get the = latest kernel sources for wireless testing. With the 4.6.0 I didn't hit= problems. Ever since I started using 4.7 I kept crashing on asserts in xfs= . :) As I hit this frequently I can instrument. I did write some instrument= ation to display the args flags before the assert, but from Eric's work= , it doesn't seem these are important at all as it might be a locking i= ssue. I will say that it sounds most likely a locking issue to me , because= sometimes I just hang in an fs operation and it never completes. Even tryi= ng to kill the mv operation doesn't work. I can try to reproduce tomorr= ow and either reach the assert or get stuck in a lock in which case trace-c= md might help.
Thanks,

Reinoud.

--001a113fe944a835110534ae3030-- From e_ogly@inbox.ru Tue Jun 7 08:11:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id BC1DF7CA0 for ; Tue, 7 Jun 2016 08:11:31 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6CA218F8035 for ; Tue, 7 Jun 2016 06:11:28 -0700 (PDT) X-ASG-Debug-ID: 1465305079-04bdf05ad6bc3630001-NocioJ Received: from mxs.mail.ru (72.ip-92-222-15.eu [92.222.15.72]) by cuda.sgi.com with ESMTP id 8AONgRm62jaq4vUQ for ; Tue, 07 Jun 2016 06:11:22 -0700 (PDT) X-Barracuda-Envelope-From: e_ogly@inbox.ru X-Barracuda-Effective-Source-IP: 72.ip-92-222-15.eu[92.222.15.72] 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X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30243 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message �� MIME. ------=_NextPart_000_0039_01D1C0D7.3B490D80 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable =20 =20 20 - 21 =D0=B8=D1=8E=D0=BD=D1=8F | =D0=B3. = =D0=A1=D0=B0=D0=BD=D0=BA=D1=82 - = =D0=9F=D0=B5=D1=82=D0=B5=D1=80=D0=B1=D1=83=D1=80=D0=B3 = (=D0=BF=D1=80=D0=BE=D0=BC=D0=BE=D0=BA=D0=BE=D0=B4:434) = =D0=A2=D0=A0=D0=90=D0=9D=D0=A1=D0=A4=D0=95=D0=A0=D0=A2=D0=9D=D0=9E=D0=95 = =D0=A6=D0=95=D0=9D=D0=9E=D0=9E=D0=91=D0=A0=D0=90=D0=97=D0=9E=D0=92=D0=90=D0= =9D=D0=98=D0=95: =D0=9F=D0=95=D0=A0=D0=92=D0=AB=D0=95 = =D0=9F=D0=A0=D0=9E=D0=92=D0=95=D0=A0=D0=9A=D0=98 =D0=98 = =D0=9F=D0=A0=D0=98=D0=9C=D0=95=D0=A0=D0=AB = =D0=9F=D0=9E=D0=94=D0=93=D0=9E=D0=A2=D0=9E=D0=92=D0=9A=D0=98 = =D0=94=D0=9E=D0=9A=D0=A3=D0=9C=D0=95=D0=9D=D0=A2=D0=90=D0=A6=D0=98=D0=98 =D0=97=D0=B0=D0=BD=D1=8F=D1=82=D0=B8=D0=B5 = =D0=BF=D1=80=D0=BE=D0=B2=D0=BE=D0=B4=D0=B8=D1=82=D1=81=D1=8F =D1=81 = 10:00 =D0=B4=D0=BE 17:30 =20 = =D0=9C=D0=B5=D1=80=D0=BE=D0=BF=D1=80=D0=B8=D1=8F=D1=82=D0=B8=D0=B5 = =D1=81=D0=BE=D1=81=D1=82=D0=BE=D0=B8=D1=82=D1=81=D1=8F: = =D0=B1=D0=B8=D0=B7=D0=BD=D0=B5=D1=81-=D1=86=D0=B5=D0=BD=D1=82=D1=80 = =E2=80=9C=D0=9C=D0=B0=D1=80=D0=B8=D0=B8=D0=BD=D1=81=D0=BA=D0=B8=D0=B9=E2=80= =9D, =D0=BD=D0=B0=D0=B1=D0=B5=D1=80=D0=B5=D0=B6=D0=BD=D0=B0=D1=8F = =D1=80=D0=B5=D0=BA=D0=B8 =D0=9C=D0=BE=D0=B9=D0=BA=D0=B8, =D0=B4. 58. =D0=A3=D0=B7=D0=BD=D0=B0=D1=82=D1=8C = =D0=B2=D1=81=D1=8E = =D0=BF=D0=BE=D0=B4=D1=80=D0=BE=D0=B1=D0=BD=D1=83=D1=8E = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D1=8E =D0=B8 = =D0=B7=D0=B0=D1=80=D0=B5=D0=B3=D0=B8=D1=81=D1=82=D1=80=D0=B8=D1=80=D0=BE=D0= =B2=D0=B0=D1=82=D1=8C=D1=81=D1=8F =D0=92=D1=8B = =D0=BC=D0=BE=D0=B6=D0=B5=D1=82=D0=B5 =D0=BF=D0=BE = =D0=BD=D0=BE=D0=BC=D0=B5=D1=80=D1=83:=20 8 =D0=BA=D0=BE=D0=B4 = =D0=B3=D0=BE=D1=80=D0=BE=D0=B4=D0=B0 (812) =D1=82=D0=B5=D0=BB.: 346 - = 54 - 40 = (=D0=BC=D0=BD=D0=BE=D0=B3=D0=BE=D0=BA=D0=B0=D0=BD=D0=B0=D0=BB=D1=8C=D0=BD= =D1=8B=D0=B9) = =20 =D0=94=D0=BB=D1=8F: = =D1=80=D1=83=D0=BA=D0=BE=D0=B2=D0=BE=D0=B4=D0=B8=D1=82=D0=B5=D0=BB=D0=B5=D0= =B9 = =D0=BF=D0=BE=D0=B4=D1=80=D0=B0=D0=B7=D0=B4=D0=B5=D0=BB=D0=B5=D0=BD=D0=B8=D0= =B9 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8=D0=B9, = =D0=BA=D0=BE=D1=82=D0=BE=D1=80=D1=8B=D0=B5 = =D0=B1=D1=83=D0=B4=D1=83=D1=82 = =D0=B7=D0=B0=D0=BD=D0=B8=D0=BC=D0=B0=D1=82=D1=8C=D1=81=D1=8F = =D0=B2=D0=BE=D0=BF=D1=80=D0=BE=D1=81=D0=B0=D0=BC=D0=B8=20 = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0= =BE = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F, = =D0=B1=D1=83=D1=85=D0=B3=D0=B0=D0=BB=D1=82=D0=B5=D1=80=D0=BE=D0=B2, = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D1=85 = =D1=81=D0=BF=D0=B5=D1=86=D0=B8=D0=B0=D0=BB=D0=B8=D1=81=D1=82=D0=BE=D0=B2,= =D1=81=D0=BE=D1=82=D1=80=D1=83=D0=B4=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2 = =D0=BF=D0=BB=D0=B0=D0=BD=D0=BE=D0=B2=D0=BE- = =D1=8D=D0=BA=D0=BE=D0=BD=D0=BE=D0=BC=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D1= =85 =D0=B8 =D1=84=D0=B8=D0=BD=D0=B0=D0=BD=D1=81=D0=BE=D0=B2=D1=8B=D1=85 = =D1=81=D0=BB=D1=83=D0=B6=D0=B1. = =D0=9F=D1=80=D0=B5=D0=BF=D0=BE=D0=B4=D0=B0=D0=B2=D0=B0=D1=82=D0=B5=D0=BB=D1= =8C - =D1=8D=D0=BA=D1=81=D0=BF=D0=B5=D1=80=D1=82 IBFS United, = =D1=8F=D0=B2=D0=BB=D1=8F=D0=B5=D1=82=D1=81=D1=8F = =D0=BE=D0=B4=D0=BD=D0=B8=D0=BC=D0=B8 =D0=B8=D0=B7 = =D0=BB=D1=83=D1=87=D1=88=D0=B8=D1=85 = =D1=81=D0=BF=D0=B5=D1=86=D0=B8=D0=B0=D0=BB=D0=B8=D1=81=D1=82=D0=BE=D0=B2 = =D0=B2 =D0=BE=D0=B1=D0=BB=D0=B0=D1=81=D1=82=D0=B8=20 = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0= =BE = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F =D0=B2 =D0=A0=D0=A4, =D0=B8 = =D1=81=D0=BC=D0=BE=D0=B6=D0=B5=D1=82 = =D0=BE=D1=82=D0=B2=D0=B5=D1=82=D0=B8=D1=82=D1=8C =D0=BD=D0=B0 = =D0=B2=D1=81=D0=B5 = =D0=B4=D0=BE=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1= =8B=D0=B5 =D0=B2=D0=BE=D0=BF=D1=80=D0=BE=D1=81=D1=8B=20 = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2 = =D1=81=D0=B5=D0=BC=D0=B8=D0=BD=D0=B0=D1=80=D0=B0. =20 =20 = =D0=A1=D0=BE=D0=B4=D0=B5=D1=80=D0=B6=D0=B0=D0=BD=D0=B8=D0=B5: =20 =D0=91=D0=BB=D0=BE=D0=BA 1. = =D0=A2=D0=B5=D0=BE=D1=80=D0=B8=D1=8F = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0= =BE = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F =D0=B2 =D0=BF=D1=80=D0=B8=D0=BC=D0=B5=D1=80=D0=B0=D1=85 = =D0=9E=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F = =D0=B4=D0=BB=D1=8F = =D0=BF=D1=80=D0=B8=D0=B7=D0=BD=D0=B0=D0=BD=D0=B8=D1=8F = =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D0=BC=D0=B8. =D0=9F=D1=80=D0=B0=D0=BA=D1=82=D0=B8=D0=BA=D1=83=D0=BC = =D0=BF=D0=BE =D1=80=D0=B0=D1=81=D1=87=D0=B5=D1=82=D1=83 = =D0=BF=D0=BE=D1=80=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D1=85=20 = =D0=B7=D0=BD=D0=B0=D1=87=D0=B5=D0=BD=D0=B8=D0=B9. =D0=A1=D0=B4=D0=B5=D0=BB=D0=BA=D0=B8 =D1=81 = =D0=BB=D0=B8=D1=86=D0=B0=D0=BC=D0=B8, =D0=BD=D0=B5 = =D0=BF=D1=80=D0=B8=D0=B7=D0=BD=D0=B0=D0=B2=D0=B0=D0=B5=D0=BC=D1=8B=D0=BC=D0= =B8 = =D0=B2=D0=B7=D0=B0=D0=B8=D0=BC=D0=BE=D0=B7=D0=B0=D0=B2=D0=B8=D1=81=D0=B8=D0= =BC=D1=8B=D0=BC=D0=B8. =D0=92 =D0=BA=D0=B0=D0=BA=D0=BE=D0=BC = =D1=81=D0=BB=D1=83=D1=87=D0=B0=D0=B5 =D0=B5=D1=81=D1=82=D1=8C = =D1=80=D0=B8=D1=81=D0=BA=D0=B8? =D0=9C=D0=B5=D1=82=D0=BE=D0=B4=D1=8B = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0= =BE = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F =D0=B8 = =D1=81=D0=BE=D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D0=BC=D0=BE=D1=81=D1= =82=D1=8C =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA. = =D0=9C=D0=BE=D0=B6=D0=BD=D0=BE =D0=BB=D0=B8=20 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D1=82=D1=8C = =D0=BE=D1=86=D0=B5=D0=BD=D0=BA=D1=83 =D0=B8 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D1=8B, =D0=BD=D0=B5 = =D0=BF=D1=80=D0=B5=D0=B4=D1=83=D1=81=D0=BC=D0=BE=D1=82=D1=80=D0=B5=D0=BD=D0= =BD=D1=8B=D0=B5 =D0=9D=D0=9A =D0=A0=D0=A4? = =D0=A1=D1=82=D0=B0=D1=82=D0=B8=D1=81=D1=82=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0= =BE=D0=B5 = =D0=B8=D1=81=D1=81=D0=BB=D0=B5=D0=B4=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D1=81=D0=BE=D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D0=BC=D1=8B=D1=85 = =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8=D0=B9. = =D0=A8=D0=B0=D0=B3=D0=B8 =D0=BF=D0=BE =D0=B5=D0=B3=D0=BE = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8E. = =D0=9F=D1=80=D0=B0=D0=BA=D1=82=D0=B8=D0=BA=D1=83=D0=BC =D0=BF=D0=BE = =D1=80=D0=B0=D1=81=D1=87=D0=B5=D1=82=D1=83 = =D0=B8=D0=BD=D1=82=D0=B5=D1=80=D0=B2=D0=B0=D0=BB=D0=BE=D0=B2 = =D1=80=D1=8B=D0=BD=D0=BE=D1=87=D0=BD=D1=8B=D1=85 =D1=86=D0=B5=D0=BD = =D0=B8 = =D1=80=D0=B5=D0=BD=D1=82=D0=B0=D0=B1=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D1=81=D1= =82=D0=B8. =D0=9D=D0=B5=D1=8F=D1=81=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=9D=D0=9A =D0=A0=D0=A4 =D0=B8=20 = =D0=BC=D0=B5=D0=B6=D0=B4=D1=83=D0=BD=D0=B0=D1=80=D0=BE=D0=B4=D0=BD=D1=8B=D0= =B9 =D0=BE=D0=BF=D1=8B=D1=82.=20 =D0=A0=D0=B0=D1=81=D1=87=D0=B5=D1=82 = =D1=81=D0=BE=D0=B1=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=B9 = =D1=80=D0=B5=D0=BD=D1=82=D0=B0=D0=B1=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D1=81=D1= =82=D0=B8 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8=D0=B8. = =D0=94=D0=BE=D1=81=D1=82=D0=B0=D1=82=D0=BE=D1=87=D0=BD=D0=BE = =D0=BB=D0=B8 =D0=B4=D0=B0=D0=BD=D0=BD=D1=8B=D1=85 = =D0=B1=D1=83=D1=85=D0=B3=D0=B0=D0=BB=D1=82=D0=B5=D1=80=D1=81=D0=BA=D0=BE=D0= =B3=D0=BE=20 =D1=83=D1=87=D0=B5=D1=82=D0=B0? =D0=91=D0=BB=D0=BE=D0=BA 2. = =D0=9F=D0=BE=D0=B4=D1=85=D0=BE=D0=B4=D1=8B =D0=BA = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B5 = =D0=B7=D0=B0=D1=89=D0=B8=D1=82=D0=BD=D0=BE=D0=B9 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8 = =D0=9E=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F = =D0=B4=D0=BB=D1=8F = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B8 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8 = =D0=BF=D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D0=BC =D1=81=D0=B4=D0=B5=D0=BB=D0=BA=D0=B0=D0=BC. = =D0=9A=D0=BE=D0=B3=D0=B4=D0=B0=20 = =D1=86=D0=B5=D0=BB=D0=B5=D1=81=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BD=D0= =BE =D0=BD=D0=B5 =D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=B8=D1=82=D1=8C = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D1=8E?= =20 = =D0=9E=D1=81=D0=BD=D0=BE=D0=B2=D0=BD=D1=8B=D0=B5 = =D0=BE=D1=88=D0=B8=D0=B1=D0=BA=D0=B8, = =D0=BA=D0=BE=D1=82=D0=BE=D1=80=D1=8B=D0=B5 = =D0=B4=D0=BE=D0=BF=D1=83=D1=81=D1=82=D0=B8=D0=BB=D0=B8 = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=BF=D0=BB=D0=B0=D1=82=D0=B5=D0=BB=D1= =8C=D1=89=D0=B8=D0=BA=D0=B8 =D0=BF=D1=80=D0=B8 = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B5 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8 =D0=A1=D0=BB=D1=83=D1=87=D0=B0=D0=B8, = =D0=BA=D0=BE=D0=B3=D0=B4=D0=B0 = =D0=BF=D1=80=D0=B8=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=B2 =D0=A2=D0=A6 = =D0=BD=D0=B5=D0=B2=D0=BE=D0=B7=D0=BC=D0=BE=D0=B6=D0=BD=D0=BE: = =D1=81=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8 = =D1=81=20 = =D0=BF=D1=80=D0=B8=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D0=B5=D0=BC = =D0=B8=D0=BD=D1=8B=D1=85 = =D0=BF=D0=BE=D0=B4=D1=85=D0=BE=D0=B4=D0=BE=D0=B2=20 = =D0=9F=D0=BE=D1=88=D0=B0=D0=B3=D0=BE=D0=B2=D0=BE=D0=B5 = =D1=80=D1=83=D0=BA=D0=BE=D0=B2=D0=BE=D0=B4=D1=81=D1=82=D0=B2=D0=BE = =D0=BF=D0=BE = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8E = =D0=B8=D1=81=D1=81=D0=BB=D0=B5=D0=B4=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F = =D0=B2 =D0=A1=D0=9F=D0=90=D0=A0=D0=9A =D0=B8 = =D0=A0=D1=83=D1=81=D0=BB=D0=B0=D0=BD=D0=B0 = =D0=90=D0=BB=D0=B3=D0=BE=D1=80=D0=B8=D1=82=D0=BC=D1=8B = =D0=B2=D1=8B=D0=B1=D0=BE=D1=80=D0=B0 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=B2 =D0=B4=D0=BB=D1=8F = =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA =D0=91=D0=BB=D0=BE=D0=BA 3. = =D0=9F=D1=80=D0=B0=D0=BA=D1=82=D0=B8=D0=BA=D1=83=D0=BC =D0=BF=D0=BE = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B5 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8.= =D0=9F=D1=80=D0=B8=D0=BC=D0=B5=D1=80=D1=8B = =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA. = =D0=94=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D1=8F = =D1=81 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0= =B5=D0=BC =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=B0 = =D1=81=D0=BE=D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D0=BC=D1=8B=D1=85 = =D1=80=D1=8B=D0=BD=D0=BE=D1=87=D0=BD=D1=8B=D1=85 =D1=86=D0=B5=D0=BD = =D0=BD=D0=B0 = =D0=BF=D1=80=D0=B8=D0=BC=D0=B5=D1=80=D0=B0=D1=85:=D1=8D=D0=BA=D1=81=D0=BF= =D0=BE=D1=80=D1=82=20 = =D0=B1=D0=B8=D1=80=D0=B6=D0=B5=D0=B2=D1=8B=D1=85 = =D1=82=D0=BE=D0=B2=D0=B0=D1=80=D0=BE=D0=B2 = (=D0=BD=D0=B5=D1=84=D1=82=D1=8C, = =D0=BC=D0=B5=D1=82=D0=B0=D0=BB=D0=BB=D1=8B, = =D1=83=D0=B4=D0=BE=D0=B1=D1=80=D0=B5=D0=BD=D0=B8=D1=8F, = =D1=81=D0=B5=D0=BB=D1=8C=D1=85=D0=BE=D0=B7=D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0= =BA=D1=86=D0=B8=D1=8F =D0=B8 =D1=82.=D0=BF.); = =D1=80=D0=B5=D0=B0=D0=BB=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1=8F=20 =D1=82=D0=BE=D0=B2=D0=B0=D1=80=D0=BE=D0=B2 = =D0=B2 =D0=B0=D0=B4=D1=80=D0=B5=D1=81 = =D0=B2=D0=B7=D0=B0=D0=B8=D0=BC=D0=BE=D0=B7=D0=B0=D0=B2=D0=B8=D1=81=D0=B8=D0= =BC=D1=8B=D1=85 =D0=B8 =D1=82=D1=80=D0=B5=D1=82=D1=8C=D0=B8=D1=85 = =D0=BB=D0=B8=D1=86; = =D0=94=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D1=8F = =D1=81 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0= =B5=D0=BC =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=B2, = =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D0=BD=D1=8B=D1=85 = =D0=BD=D0=B0 =D0=B0=D0=BD=D0=B0=D0=BB=D0=B8=D0=B7=D0=B5 = =D1=80=D0=B5=D0=BD=D1=82=D0=B0=D0=B1=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D1=81=D1= =82=D0=B8 =D0=BD=D0=B0=20 = =D0=BF=D1=80=D0=B8=D0=BC=D0=B5=D1=80=D0=B0=D1=85: = =D0=BF=D0=BE=D0=BA=D1=83=D0=BF=D0=BA=D0=B0 = =D1=83=D1=81=D0=BB=D1=83=D0=B3 =D1=83 = =D0=B7=D0=B0=D1=80=D1=83=D0=B1=D0=B5=D0=B6=D0=BD=D0=BE=D0=B9 = =D0=B2=D0=B7=D0=B0=D0=B8=D0=BC=D0=BE=D0=B7=D0=B0=D0=B2=D0=B8=D1=81=D0=B8=D0= =BC=D0=BE=D0=B9 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8=D0=B8; = =D0=B4=D0=BE=D0=B3=D0=BE=D0=B2=D0=BE=D1=80=D1=8B=20 = =D0=B0=D0=B3=D0=B5=D0=BD=D1=82=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1= =8F =D0=B8 =D0=BA=D0=BE=D0=BC=D0=B8=D1=81=D1=81=D0=B8=D0=B8; = =D1=80=D0=B5=D0=B0=D0=BB=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1=8F = =D1=82=D0=BE=D0=B2=D0=B0=D1=80=D0=BE=D0=B2 =D0=B2 = =D0=B0=D0=B4=D1=80=D0=B5=D1=81 = =D0=BF=D0=B5=D1=80=D0=B5=D0=BF=D1=80=D0=BE=D0=B4=D0=B0=D0=B2=D1=86=D0=B0.= =D0=91=D0=BB=D0=BE=D0=BA 4. = =D0=A3=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D1=85 =D1=81=D0=B4=D0=B5=D0=BB=D0=BA=D0=B0=D1=85: = =D0=B0=D0=B2=D1=82=D0=BE=D0=BC=D0=B0=D1=82=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1= =8F =D0=90=D0=BD=D0=B0=D0=BB=D0=B8=D0=B7 = =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=BD=D1=8B=D1=85 = =D0=BE=D1=88=D0=B8=D0=B1=D0=BE=D0=BA =D0=BF=D1=80=D0=B8 = =D0=B7=D0=B0=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0=BD=D0=B8=D0=B8 = =D1=83=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D0=B9: = =D0=B8=D1=82=D0=BE=D0=B3=D0=B8 20 =D0=BD=D0=BE=D1=8F=D0=B1=D1=80=D1=8F = =D0=93=D1=80=D1=83=D0=BF=D0=BF=D0=B8=D1=80=D0=BE=D0=B2=D0=BA=D0=B8 = =D0=BB=D0=B8=D1=81=D1=82=D0=BE=D0=B2 1=D0=90 =D0=B8 1=D0=91 =E2=80=93 = =D1=81=D0=BF=D0=BE=D1=80=D0=BD=D1=8B=D0=B5 = =D1=81=D0=B8=D1=82=D1=83=D0=B0=D1=86=D0=B8=D0=B8 = =D0=90=D0=B2=D1=82=D0=BE=D0=BC=D0=B0=D1=82=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1= =8F =D0=BF=D1=80=D0=BE=D1=86=D0=B5=D1=81=D1=81=D0=B0 = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B8 = =D1=83=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D0=B9 = =D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D1=85 =D1=81=D0=B4=D0=B5=D0=BB=D0=BA=D0=B0=D1=85 = =D0=92=D1=8B=D0=B3=D1=80=D1=83=D0=B7=D0=BA=D0=B0 = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D0=B8 = =D0=B8=D0=B7 =D0=B1=D0=B0=D0=B7 =D0=B4=D0=B0=D0=BD=D0=BD=D1=8B=D1=85: = =D1=80=D0=B5=D1=88=D0=B5=D0=BD=D0=B8=D1=8F =D0=9E=D0=B1=D0=BC=D0=B5=D0=BD = =D0=BE=D0=BF=D1=8B=D1=82=D0=BE=D0=BC: = =D0=BA=D0=B0=D0=BA=D0=B8=D0=BC=D0=B8 = =D1=80=D0=B5=D1=88=D0=B5=D0=BD=D0=B8=D1=8F=D0=BC=D0=B8 = =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D0=BB=D0=B8=D1=81=D1=8C = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=BF=D0=BB=D0=B0=D1=82=D0=B5=D0=BB=D1= =8C=D1=89=D0=B8=D0=BA=D0=B8? =D0=91=D0=BB=D0=BE=D0=BA 5. = =D0=A1=D0=BB=D0=BE=D0=B6=D0=BD=D1=8B=D0=B5 = =D0=B2=D0=BE=D0=BF=D1=80=D0=BE=D1=81=D1=8B = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0= =BE = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F = =D0=9E=D0=B1=D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D1=86=D0=B5=D0=BD =D0=BF=D0=BE=D0=BF=D1=83=D1=82=D0=BD=D1=8B=D1=85 = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=82=D0=BE=D0=B2 = =D0=BF=D1=80=D0=BE=D0=B8=D0=B7=D0=B2=D0=BE=D0=B4=D1=81=D1=82=D0=B2=D0=B0 = =D0=BF=D1=80=D0=B8 = =D0=BE=D1=82=D1=81=D1=83=D1=82=D1=81=D1=82=D0=B2=D0=B8=D0=B8 = =D0=B8=D1=81=D1=82=D0=BE=D1=87=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2=20 = =D1=81=D0=BE=D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D0=BC=D1=8B=D1=85 = =D1=80=D1=8B=D0=BD=D0=BE=D1=87=D0=BD=D1=8B=D1=85 =D1=86=D0=B5=D0=BD = =D0=9F=D1=80=D0=BE=D0=B8=D0=B7=D0=B2=D0=BE=D0=B4=D1=81=D1=82=D0=B2=D0=BE = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=82=D0=BE=D0=B2 = =D0=BF=D0=B5=D1=80=D0=B5=D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=BA=D0=B8 = =D1=81=D1=8B=D1=80=D1=8C=D1=8F =D0=B8 =D0=B8=D1=85 = =D0=BF=D0=BE=D1=81=D0=BB=D0=B5=D0=B4=D1=83=D1=8E=D1=89=D0=B0=D1=8F = =D1=80=D0=B5=D0=B0=D0=BB=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1=8F = =D0=98=D0=BD=D1=82=D0=B5=D0=BB=D0=BB=D0=B5=D0=BA=D1=82=D1=83=D0=B0=D0=BB=D1= =8C=D0=BD=D0=B0=D1=8F = =D1=81=D0=BE=D0=B1=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D1= =8C =D0=B8 =D1=80=D0=BE=D1=8F=D0=BB=D1=82=D0=B8 =D0=97=D0=B0=D0=B9=D0=BC=D1=8B =D0=B8 = =D0=BF=D0=BE=D1=80=D1=83=D1=87=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D1=81=D1=82=D0= =B2=D0=B0 =D0=A1=D0=B4=D0=B5=D0=BB=D0=BA=D0=B8 =D1=81 = =D0=BE=D1=84=D1=84=D1=88=D0=BE=D1=80=D0=B0=D0=BC=D0=B8: = =D0=BE=D0=B1=D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D1=86=D0=B5=D0=BD =D0=B2 = =D0=BE=D1=82=D1=81=D1=83=D1=82=D1=81=D1=82=D0=B2=D0=B8=D0=B8 = =D1=84=D0=B8=D0=BD=D0=B0=D0=BD=D1=81=D0=BE=D0=B2=D0=BE=D0=B9 = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D0=B8 =D0=BE=20 = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=B0=D0=B3=D0=B5=D0=BD=D1=82=D0=B5 = =D0=AD=D0=BA=D1=81=D0=BF=D0=BE=D1=80=D1=82/=D0=B8=D0=BC=D0=BF=D0=BE=D1=80= =D1=82 =E2=80=93 = =D0=BF=D1=80=D0=B0=D0=BA=D1=82=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D0=B5 = =D1=80=D0=B5=D1=88=D0=B5=D0=BD=D0=B8=D1=8F =D0=9A=D0=BE=D0=B3=D0=B4=D0=B0 = =D1=86=D0=B5=D0=BD=D1=83 = =D0=BD=D0=B5=D0=B2=D0=BE=D0=B7=D0=BC=D0=BE=D0=B6=D0=BD=D0=BE = =D0=BE=D0=B1=D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D1=82=D1=8C = =D0=BE=D0=B4=D0=BD=D0=B8=D0=BC = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=BC =D0=A2=D0=A6? = =D0=98=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0= =B5 =D0=BA=D0=BE=D0=BC=D0=B1=D0=B8=D0=BD=D0=B0=D1=86=D0=B8=D0=B8=20 =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=B2 =D0=91=D0=BB=D0=BE=D0=BA 6. = =D0=9A=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8C =D0=B8 = =D0=B0=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B8=D1=80=D0=BE=D0= =B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D0=9F=D0=BE=D0=BB=D0=BD=D0=BE=D0=BC=D0=BE=D1=87=D0=B8=D1=8F = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D1=8F=D1=8E=D1=89=D0=B8=D1=85: = =D0=A4=D0=9D=D0=A1, = =D0=9C=D0=B5=D0=B6=D1=80=D0=B5=D0=B3=D0=B8=D0=BE=D0=BD=D0=B0=D0=BB=D1=8C=D0= =BD=D0=B0=D1=8F =D0=B8=D0=BD=D1=81=D0=BF=D0=B5=D0=BA=D1=86=D0=B8=D1=8F = =D0=BF=D0=BE =D1=86=D0=B5=D0=BD=D0=B0=D0=BC, = =D1=82=D0=B5=D1=80=D1=80=D0=B8=D1=82=D0=BE=D1=80=D0=B8=D0=B0=D0=BB=D1=8C=D0= =BD=D1=8B=D0=B5=20 = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D0=B5 = =D0=BE=D1=80=D0=B3=D0=B0=D0=BD=D1=8B=20 = =D0=9F=D1=80=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=BA=D0=B0=D0=BC=D0=B5=D1=80=D0=B0=D0=BB=D1=8C=D0=BD=D0=BE=D0=B9 = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA=D0=B8 = =D1=83=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F: = =D0=B2=D0=BE=D0=B7=D0=BC=D0=BE=D0=B6=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=B2=D1=8B=D1=8F=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=BE=D1=88=D0=B8=D0=B1=D0=BE=D0=BA =D0=B8=20 = =D0=BD=D0=B5=D0=BF=D0=BE=D0=BB=D0=BD=D0=BE=D1=82=D1=8B = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D0=B8 =D0=A1=D1=80=D0=BE=D0=BA=D0=B8 =D0=B8 = =D0=BE=D1=81=D0=BE=D0=B1=D0=B5=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BE=D0=BA = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D1=8B=D1=85 = =D1=86=D0=B5=D0=BD.=20 = =D0=98=D1=81=D1=82=D0=BE=D1=87=D0=BD=D0=B8=D0=BA=D0=B8, = =D0=BA=D0=BE=D1=82=D0=BE=D1=80=D1=8B=D0=BC=D0=B8 = =D0=B1=D1=83=D0=B4=D1=83=D1=82 = =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D1=82=D1=8C=D1=81=D1=8F = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D0=B5 = =D0=BE=D1=80=D0=B3=D0=B0=D0=BD=D1=8B =D0=B4=D0=BB=D1=8F = =D0=B2=D1=8B=D1=8F=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F=20 = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D1=85 =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA =D0=B2 = =D1=81=D0=BB=D1=83=D1=87=D0=B0=D1=8F=D1=85 = =D0=BD=D0=B5=D0=BF=D0=BE=D0=B4=D0=B0=D1=87=D0=B8 = =D1=83=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D0=B9 =D0=A1=D0=BF=D0=BE=D1=80=D1=8B =D1=81 = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D0=BC=D0=B8 = =D0=BE=D1=80=D0=B3=D0=B0=D0=BD=D0=B0=D0=BC=D0=B8 = =D0=A1=D1=82=D0=BE=D0=B8=D0=BC=D0=BE=D1=81=D1=82=D1=8C = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=B8=D1=8F: 21 600 =D1=80.=20 =D0=92 = =D1=81=D1=82=D0=BE=D0=B8=D0=BC=D0=BE=D1=81=D1=82=D1=8C = =D0=B2=D1=85=D0=BE=D0=B4=D0=B8=D1=82 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D0=B9 = =D0=BC=D0=B0=D1=82=D0=B5=D1=80=D0=B8=D0=B0=D0=BB, = =D0=BE=D0=B1=D0=B5=D0=B4=D1=8B, = =D0=BA=D0=BE=D1=84=D0=B5-=D0=BF=D0=B0=D1=83=D0=B7=D1=8B, = =D1=81=D0=B5=D1=80=D1=82=D0=B8=D1=84=D0=B8=D0=BA=D0=B0=D1=82.=20 = =D0=98=D0=BD=D0=BE=D0=B3=D0=BE=D1=80=D0=BE=D0=B4=D0=BD=D0=B8=D0=BC = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=BD=D0=B8=D0=BA=D0=B0=D0=BC = =D0=BF=D0=BE=D0=BC=D0=BE=D0=B3=D0=B0=D0=B5=D0=BC =D0=B2 = =D0=B1=D1=80=D0=BE=D0=BD=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B8 = =D0=B3=D0=BE=D1=81=D1=82=D0=B8=D0=BD=D0=B8=D1=86=D1=8B. =20 =20 =20 =20 =20 ------=_NextPart_000_0039_01D1C0D7.3B490D80 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

=D0=A1=D0=BE=D0=B4=D0=B5=D1=80=D0=B6=D0=B0=D0=BD=D0=B8=D0=B5:



20 = - 21 =D0=B8=D1=8E=D0=BD=D1=8F |=20 =D0=B3. =D0=A1=D0=B0=D0=BD=D0=BA=D1=82 -=20 = =D0=9F=D0=B5=D1=82=D0=B5=D1=80=D0=B1=D1=83=D1=80=D0=B3
(=D0=BF=D1=80=D0=BE=D0=BC=D0=BE=D0=BA=D0=BE=D0=B4:434)

=D0=A2=D0=A0=D0=90=D0=9D=D0=A1=D0=A4=D0=95=D0=A0=D0=A2=D0=9D=D0=9E= =D0=95=20 = =D0=A6=D0=95=D0=9D=D0=9E=D0=9E=D0=91=D0=A0=D0=90=D0=97=D0=9E=D0=92=D0=90=D0= =9D=D0=98=D0=95:
=D0=9F=D0=95=D0=A0=D0=92=D0=AB=D0=95 = =D0=9F=D0=A0=D0=9E=D0=92=D0=95=D0=A0=D0=9A=D0=98 =D0=98 = =D0=9F=D0=A0=D0=98=D0=9C=D0=95=D0=A0=D0=AB=20 = =D0=9F=D0=9E=D0=94=D0=93=D0=9E=D0=A2=D0=9E=D0=92=D0=9A=D0=98=20 = =D0=94=D0=9E=D0=9A=D0=A3=D0=9C=D0=95=D0=9D=D0=A2=D0=90=D0=A6=D0=98=D0=98<= /FONT>

=D0=97=D0=B0=D0=BD=D1=8F=D1=82=D0=B8=D0=B5=20 = =D0=BF=D1=80=D0=BE=D0=B2=D0=BE=D0=B4=D0=B8=D1=82=D1=81=D1=8F = =D1=81 10:00 =D0=B4=D0=BE = 17:30

=D0=9C=D0=B5=D1=80=D0=BE=D0=BF= =D1=80=D0=B8=D1=8F=D1=82=D0=B8=D0=B5=20 = =D1=81=D0=BE=D1=81=D1=82=D0=BE=D0=B8=D1=82=D1=81=D1=8F: = =D0=B1=D0=B8=D0=B7=D0=BD=D0=B5=D1=81-=D1=86=D0=B5=D0=BD=D1=82=D1=80 = =E2=80=9C=D0=9C=D0=B0=D1=80=D0=B8=D0=B8=D0=BD=D1=81=D0=BA=D0=B8=D0=B9=E2=80= =9D,=20 = =D0=BD=D0=B0=D0=B1=D0=B5=D1=80=D0=B5=D0=B6=D0=BD=D0=B0=D1=8F = =D1=80=D0=B5=D0=BA=D0=B8 =D0=9C=D0=BE=D0=B9=D0=BA=D0=B8, =D0=B4.=20 = 58.

=D0=A3=D0=B7=D0=BD=D0=B0=D1=82=D1=8C = =D0=B2=D1=81=D1=8E = =D0=BF=D0=BE=D0=B4=D1=80=D0=BE=D0=B1=D0=BD=D1=83=D1=8E = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D1=8E=20 =D0=B8 = =D0=B7=D0=B0=D1=80=D0=B5=D0=B3=D0=B8=D1=81=D1=82=D1=80=D0=B8=D1=80=D0=BE=D0= =B2=D0=B0=D1=82=D1=8C=D1=81=D1=8F =D0=92=D1=8B = =D0=BC=D0=BE=D0=B6=D0=B5=D1=82=D0=B5 =D0=BF=D0=BE = =D0=BD=D0=BE=D0=BC=D0=B5=D1=80=D1=83:

8 =D0=BA=D0=BE=D0=B4=20 = =D0=B3=D0=BE=D1=80=D0=BE=D0=B4=D0=B0 (812) =D1=82=D0=B5=D0=BB.: = 346 -=20 54 - = 40=20 (=D0=BC=D0=BD=D0=BE=D0=B3=D0=BE=D0=BA=D0=B0=D0=BD=D0=B0=D0=BB=D1= =8C=D0=BD=D1=8B=D0=B9)

            &nbs= p;            = ;            =             &= nbsp;           &n= bsp;           &nb= sp;           &nbs= p;            = ;=20
=D0=94=D0=BB=D1=8F: =D1=80=D1=83=D0=BA=D0=BE=D0=B2= =D0=BE=D0=B4=D0=B8=D1=82=D0=B5=D0=BB=D0=B5=D0=B9=20 = =D0=BF=D0=BE=D0=B4=D1=80=D0=B0=D0=B7=D0=B4=D0=B5=D0=BB=D0=B5=D0=BD=D0=B8=D0= =B9 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8=D0=B9, = =D0=BA=D0=BE=D1=82=D0=BE=D1=80=D1=8B=D0=B5 = =D0=B1=D1=83=D0=B4=D1=83=D1=82 = =D0=B7=D0=B0=D0=BD=D0=B8=D0=BC=D0=B0=D1=82=D1=8C=D1=81=D1=8F=20 = =D0=B2=D0=BE=D0=BF=D1=80=D0=BE=D1=81=D0=B0=D0=BC=D0=B8
=D1=82=D1=80=D0=B0=D0=BD=D1= =81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0=BE=20 = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F, = =D0=B1=D1=83=D1=85=D0=B3=D0=B0=D0=BB=D1=82=D0=B5=D1=80=D0=BE=D0=B2, = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D1=85=20 = =D1=81=D0=BF=D0=B5=D1=86=D0=B8=D0=B0=D0=BB=D0=B8=D1=81=D1=82=D0=BE=D0=B2,= =D1=81=D0=BE=D1=82=D1=80=D1=83=D0=B4=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2=20 = =D0=BF=D0=BB=D0=B0=D0=BD=D0=BE=D0=B2=D0=BE-
=D1=8D=D0=BA=D0=BE=D0=BD=D0= =BE=D0=BC=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D1=85 =D0=B8 = =D1=84=D0=B8=D0=BD=D0=B0=D0=BD=D1=81=D0=BE=D0=B2=D1=8B=D1=85=20 = =D1=81=D0=BB=D1=83=D0=B6=D0=B1.

=D0=9F=D1=80=D0=B5=D0=BF=D0=BE=D0= =B4=D0=B0=D0=B2=D0=B0=D1=82=D0=B5=D0=BB=D1=8C - = =D1=8D=D0=BA=D1=81=D0=BF=D0=B5=D1=80=D1=82=20 IBFS United, = =D1=8F=D0=B2=D0=BB=D1=8F=D0=B5=D1=82=D1=81=D1=8F = =D0=BE=D0=B4=D0=BD=D0=B8=D0=BC=D0=B8 =D0=B8=D0=B7 = =D0=BB=D1=83=D1=87=D1=88=D0=B8=D1=85=20 = =D1=81=D0=BF=D0=B5=D1=86=D0=B8=D0=B0=D0=BB=D0=B8=D1=81=D1=82=D0=BE=D0=B2 = =D0=B2 =D0=BE=D0=B1=D0=BB=D0=B0=D1=81=D1=82=D0=B8
=D1=82=D1=80=D0=B0=D0=BD=D1= =81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0=BE=20 = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F =D0=B2 =D0=A0=D0=A4, =D0=B8 = =D1=81=D0=BC=D0=BE=D0=B6=D0=B5=D1=82 = =D0=BE=D1=82=D0=B2=D0=B5=D1=82=D0=B8=D1=82=D1=8C =D0=BD=D0=B0 = =D0=B2=D1=81=D0=B5=20 = =D0=B4=D0=BE=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1= =8B=D0=B5 =D0=B2=D0=BE=D0=BF=D1=80=D0=BE=D1=81=D1=8B
=D1=83=D1=87=D0=B0=D1=81=D1= =82=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2=20 = =D1=81=D0=B5=D0=BC=D0=B8=D0=BD=D0=B0=D1=80=D0=B0.

=D0=91=D0=BB=D0=BE=D0=BA 1. = =D0=A2=D0=B5=D0=BE=D1=80=D0=B8=D1=8F=20 = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0= =BE = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F =D0=B2 = =D0=BF=D1=80=D0=B8=D0=BC=D0=B5=D1=80=D0=B0=D1=85
=D0=9E=D1=81=D0=BD=D0=BE= =D0=B2=D0=B0=D0=BD=D0=B8=D1=8F=20 =D0=B4=D0=BB=D1=8F = =D0=BF=D1=80=D0=B8=D0=B7=D0=BD=D0=B0=D0=BD=D0=B8=D1=8F = =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D0=BC=D0=B8. =D0=9F=D1=80=D0=B0=D0=BA=D1=82=D0=B8=D0=BA=D1=83=D0=BC = =D0=BF=D0=BE=20 =D1=80=D0=B0=D1=81=D1=87=D0=B5=D1=82=D1=83 = =D0=BF=D0=BE=D1=80=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D1=85
=D0=B7=D0=BD=D0=B0=D1=87= =D0=B5=D0=BD=D0=B8=D0=B9.
=D0=A1=D0=B4=D0=B5=D0=BB= =D0=BA=D0=B8 =D1=81=20 =D0=BB=D0=B8=D1=86=D0=B0=D0=BC=D0=B8, = =D0=BD=D0=B5 = =D0=BF=D1=80=D0=B8=D0=B7=D0=BD=D0=B0=D0=B2=D0=B0=D0=B5=D0=BC=D1=8B=D0=BC=D0= =B8 = =D0=B2=D0=B7=D0=B0=D0=B8=D0=BC=D0=BE=D0=B7=D0=B0=D0=B2=D0=B8=D1=81=D0=B8=D0= =BC=D1=8B=D0=BC=D0=B8. =D0=92 =D0=BA=D0=B0=D0=BA=D0=BE=D0=BC=20 =D1=81=D0=BB=D1=83=D1=87=D0=B0=D0=B5 = =D0=B5=D1=81=D1=82=D1=8C =D1=80=D0=B8=D1=81=D0=BA=D0=B8?
=D0=9C=D0=B5=D1=82=D0=BE= =D0=B4=D1=8B=20 = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0= =BE = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F =D0=B8 = =D1=81=D0=BE=D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D0=BC=D0=BE=D1=81=D1= =82=D1=8C =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA.=20 =D0=9C=D0=BE=D0=B6=D0=BD=D0=BE =D0=BB=D0=B8
=D0=B8=D1=81=D0=BF=D0=BE= =D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D1=82=D1=8C=20 =D0=BE=D1=86=D0=B5=D0=BD=D0=BA=D1=83 =D0=B8 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D1=8B, =D0=BD=D0=B5 = =D0=BF=D1=80=D0=B5=D0=B4=D1=83=D1=81=D0=BC=D0=BE=D1=82=D1=80=D0=B5=D0=BD=D0= =BD=D1=8B=D0=B5 =D0=9D=D0=9A =D0=A0=D0=A4?
=D0=A1=D1=82=D0=B0=D1=82= =D0=B8=D1=81=D1=82=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=BE=D0=B5=20 = =D0=B8=D1=81=D1=81=D0=BB=D0=B5=D0=B4=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D1=81=D0=BE=D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D0=BC=D1=8B=D1=85 = =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8=D0=B9. = =D0=A8=D0=B0=D0=B3=D0=B8 =D0=BF=D0=BE =D0=B5=D0=B3=D0=BE=20 = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8E.
=D0=9F=D1=80=D0=B0=D0=BA= =D1=82=D0=B8=D0=BA=D1=83=D0=BC=20 =D0=BF=D0=BE = =D1=80=D0=B0=D1=81=D1=87=D0=B5=D1=82=D1=83 = =D0=B8=D0=BD=D1=82=D0=B5=D1=80=D0=B2=D0=B0=D0=BB=D0=BE=D0=B2 = =D1=80=D1=8B=D0=BD=D0=BE=D1=87=D0=BD=D1=8B=D1=85 =D1=86=D0=B5=D0=BD = =D0=B8 = =D1=80=D0=B5=D0=BD=D1=82=D0=B0=D0=B1=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D1=81=D1= =82=D0=B8.=20 = =D0=9D=D0=B5=D1=8F=D1=81=D0=BD=D0=BE=D1=81=D1=82=D0=B8 =D0=9D=D0=9A = =D0=A0=D0=A4 =D0=B8
=D0=BC=D0=B5=D0=B6=D0=B4= =D1=83=D0=BD=D0=B0=D1=80=D0=BE=D0=B4=D0=BD=D1=8B=D0=B9=20 =D0=BE=D0=BF=D1=8B=D1=82.
=D0=A0=D0=B0=D1=81=D1=87= =D0=B5=D1=82=20 = =D1=81=D0=BE=D0=B1=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D0=B9 = =D1=80=D0=B5=D0=BD=D1=82=D0=B0=D0=B1=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D1=81=D1= =82=D0=B8 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8=D0=B8. = =D0=94=D0=BE=D1=81=D1=82=D0=B0=D1=82=D0=BE=D1=87=D0=BD=D0=BE = =D0=BB=D0=B8=20 =D0=B4=D0=B0=D0=BD=D0=BD=D1=8B=D1=85 = =D0=B1=D1=83=D1=85=D0=B3=D0=B0=D0=BB=D1=82=D0=B5=D1=80=D1=81=D0=BA=D0=BE=D0= =B3=D0=BE
=D1=83=D1=87=D0=B5=D1=82= =D0=B0?
=D0=91=D0=BB=D0=BE=D0=BA=20 2. =D0=9F=D0=BE=D0=B4=D1=85=D0=BE=D0=B4=D1=8B = =D0=BA =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B5 = =D0=B7=D0=B0=D1=89=D0=B8=D1=82=D0=BD=D0=BE=D0=B9=20 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8<= /B>
=D0=9E=D1=81=D0=BD=D0=BE= =D0=B2=D0=B0=D0=BD=D0=B8=D1=8F=20 =D0=B4=D0=BB=D1=8F = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B8 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8 = =D0=BF=D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D0=BC =D1=81=D0=B4=D0=B5=D0=BB=D0=BA=D0=B0=D0=BC.=20 =D0=9A=D0=BE=D0=B3=D0=B4=D0=B0
=D1=86=D0=B5=D0=BB=D0=B5= =D1=81=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BD=D0=BE=20 =D0=BD=D0=B5 = =D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=B8=D1=82=D1=8C = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D1=8E?=
=D0=9E=D1=81=D0=BD=D0=BE= =D0=B2=D0=BD=D1=8B=D0=B5=20 =D0=BE=D1=88=D0=B8=D0=B1=D0=BA=D0=B8, = =D0=BA=D0=BE=D1=82=D0=BE=D1=80=D1=8B=D0=B5 = =D0=B4=D0=BE=D0=BF=D1=83=D1=81=D1=82=D0=B8=D0=BB=D0=B8 = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=BF=D0=BB=D0=B0=D1=82=D0=B5=D0=BB=D1= =8C=D1=89=D0=B8=D0=BA=D0=B8 =D0=BF=D1=80=D0=B8=20 = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B5 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8<= BR> =D0=A1=D0=BB=D1=83=D1=87= =D0=B0=D0=B8,=20 =D0=BA=D0=BE=D0=B3=D0=B4=D0=B0 = =D0=BF=D1=80=D0=B8=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=B2 =D0=A2=D0=A6 = =D0=BD=D0=B5=D0=B2=D0=BE=D0=B7=D0=BC=D0=BE=D0=B6=D0=BD=D0=BE: = =D1=81=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D0=B5=20 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8 = =D1=81
=D0=BF=D1=80=D0=B8=D0=BC= =D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D0=B5=D0=BC=20 =D0=B8=D0=BD=D1=8B=D1=85 = =D0=BF=D0=BE=D0=B4=D1=85=D0=BE=D0=B4=D0=BE=D0=B2
=D0=9F=D0=BE=D1=88=D0=B0= =D0=B3=D0=BE=D0=B2=D0=BE=D0=B5=20 = =D1=80=D1=83=D0=BA=D0=BE=D0=B2=D0=BE=D0=B4=D1=81=D1=82=D0=B2=D0=BE = =D0=BF=D0=BE = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8E = =D0=B8=D1=81=D1=81=D0=BB=D0=B5=D0=B4=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F = =D0=B2 =D0=A1=D0=9F=D0=90=D0=A0=D0=9A =D0=B8=20 = =D0=A0=D1=83=D1=81=D0=BB=D0=B0=D0=BD=D0=B0
= =D0=90=D0=BB=D0=B3=D0=BE= =D1=80=D0=B8=D1=82=D0=BC=D1=8B=20 =D0=B2=D1=8B=D0=B1=D0=BE=D1=80=D0=B0 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=B2 =D0=B4=D0=BB=D1=8F = =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA
=D0=91=D0=BB=D0=BE=D0=BA 3. = =D0=9F=D1=80=D0=B0=D0=BA=D1=82=D0=B8=D0=BA=D1=83=D0=BC =D0=BF=D0=BE=20 = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B5 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8.= =D0=9F=D1=80=D0=B8=D0=BC=D0=B5=D1=80=D1=8B = =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA.
=D0=94=D0=BE=D0=BA=D1=83= =D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D1=8F=20 =D1=81 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0= =B5=D0=BC =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=B0 = =D1=81=D0=BE=D0=BF=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=B8=D0=BC=D1=8B=D1=85 = =D1=80=D1=8B=D0=BD=D0=BE=D1=87=D0=BD=D1=8B=D1=85 =D1=86=D0=B5=D0=BD = =D0=BD=D0=B0=20 = =D0=BF=D1=80=D0=B8=D0=BC=D0=B5=D1=80=D0=B0=D1=85:=D1=8D=D0=BA=D1=81=D0=BF= =D0=BE=D1=80=D1=82
=D0=B1=D0=B8=D1=80=D0=B6= =D0=B5=D0=B2=D1=8B=D1=85=20 =D1=82=D0=BE=D0=B2=D0=B0=D1=80=D0=BE=D0=B2 = (=D0=BD=D0=B5=D1=84=D1=82=D1=8C, = =D0=BC=D0=B5=D1=82=D0=B0=D0=BB=D0=BB=D1=8B, = =D1=83=D0=B4=D0=BE=D0=B1=D1=80=D0=B5=D0=BD=D0=B8=D1=8F, = =D1=81=D0=B5=D0=BB=D1=8C=D1=85=D0=BE=D0=B7=D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0= =BA=D1=86=D0=B8=D1=8F =D0=B8=20 =D1=82.=D0=BF.); = =D1=80=D0=B5=D0=B0=D0=BB=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1=8F
=D1=82=D0=BE=D0=B2=D0=B0= =D1=80=D0=BE=D0=B2=20 =D0=B2 =D0=B0=D0=B4=D1=80=D0=B5=D1=81 = =D0=B2=D0=B7=D0=B0=D0=B8=D0=BC=D0=BE=D0=B7=D0=B0=D0=B2=D0=B8=D1=81=D0=B8=D0= =BC=D1=8B=D1=85 =D0=B8 =D1=82=D1=80=D0=B5=D1=82=D1=8C=D0=B8=D1=85 = =D0=BB=D0=B8=D1=86;
=D0=94=D0=BE=D0=BA=D1=83= =D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D1=8F=20 =D1=81 = =D0=B8=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0= =B5=D0=BC =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=B2, = =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D0=BD=D1=8B=D1=85 = =D0=BD=D0=B0 =D0=B0=D0=BD=D0=B0=D0=BB=D0=B8=D0=B7=D0=B5=20 = =D1=80=D0=B5=D0=BD=D1=82=D0=B0=D0=B1=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE=D1=81=D1= =82=D0=B8 =D0=BD=D0=B0
=D0=BF=D1=80=D0=B8=D0=BC= =D0=B5=D1=80=D0=B0=D1=85:=20 =D0=BF=D0=BE=D0=BA=D1=83=D0=BF=D0=BA=D0=B0 = =D1=83=D1=81=D0=BB=D1=83=D0=B3 =D1=83 = =D0=B7=D0=B0=D1=80=D1=83=D0=B1=D0=B5=D0=B6=D0=BD=D0=BE=D0=B9 = =D0=B2=D0=B7=D0=B0=D0=B8=D0=BC=D0=BE=D0=B7=D0=B0=D0=B2=D0=B8=D1=81=D0=B8=D0= =BC=D0=BE=D0=B9 =D0=BA=D0=BE=D0=BC=D0=BF=D0=B0=D0=BD=D0=B8=D0=B8;=20 = =D0=B4=D0=BE=D0=B3=D0=BE=D0=B2=D0=BE=D1=80=D1=8B
=D0=B0=D0=B3=D0=B5=D0=BD= =D1=82=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F=20 =D0=B8 = =D0=BA=D0=BE=D0=BC=D0=B8=D1=81=D1=81=D0=B8=D0=B8; = =D1=80=D0=B5=D0=B0=D0=BB=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1=8F = =D1=82=D0=BE=D0=B2=D0=B0=D1=80=D0=BE=D0=B2 =D0=B2 = =D0=B0=D0=B4=D1=80=D0=B5=D1=81=20 = =D0=BF=D0=B5=D1=80=D0=B5=D0=BF=D1=80=D0=BE=D0=B4=D0=B0=D0=B2=D1=86=D0=B0.=
=D0=91=D0=BB=D0=BE=D0=BA 4. = =D0=A3=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D1=85=20 =D1=81=D0=B4=D0=B5=D0=BB=D0=BA=D0=B0=D1=85: = =D0=B0=D0=B2=D1=82=D0=BE=D0=BC=D0=B0=D1=82=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1= =8F
=20 =D0=90=D0=BD=D0=B0=D0=BB= =D0=B8=D0=B7=20 =D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=BD=D1=8B=D1=85 = =D0=BE=D1=88=D0=B8=D0=B1=D0=BE=D0=BA =D0=BF=D1=80=D0=B8 = =D0=B7=D0=B0=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0=BD=D0=B8=D0=B8 = =D1=83=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D0=B9: = =D0=B8=D1=82=D0=BE=D0=B3=D0=B8 20=20 =D0=BD=D0=BE=D1=8F=D0=B1=D1=80=D1=8F
=D0=93=D1=80=D1=83=D0=BF= =D0=BF=D0=B8=D1=80=D0=BE=D0=B2=D0=BA=D0=B8=20 =D0=BB=D0=B8=D1=81=D1=82=D0=BE=D0=B2 1=D0=90 = =D0=B8 1=D0=91 =E2=80=93 =D1=81=D0=BF=D0=BE=D1=80=D0=BD=D1=8B=D0=B5 = =D1=81=D0=B8=D1=82=D1=83=D0=B0=D1=86=D0=B8=D0=B8
=D0=90=D0=B2=D1=82=D0=BE= =D0=BC=D0=B0=D1=82=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1=8F=20 =D0=BF=D1=80=D0=BE=D1=86=D0=B5=D1=81=D1=81=D0=B0 = =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B8 = =D1=83=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D0=B9 = =D0=BE = =D0=BA=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1= =8B=D1=85=20 = =D1=81=D0=B4=D0=B5=D0=BB=D0=BA=D0=B0=D1=85
= =D0=92=D1=8B=D0=B3=D1=80= =D1=83=D0=B7=D0=BA=D0=B0=20 = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D0=B8 = =D0=B8=D0=B7 =D0=B1=D0=B0=D0=B7 =D0=B4=D0=B0=D0=BD=D0=BD=D1=8B=D1=85: = =D1=80=D0=B5=D1=88=D0=B5=D0=BD=D0=B8=D1=8F
=D0=9E=D0=B1=D0=BC=D0=B5= =D0=BD=20 =D0=BE=D0=BF=D1=8B=D1=82=D0=BE=D0=BC: = =D0=BA=D0=B0=D0=BA=D0=B8=D0=BC=D0=B8 = =D1=80=D0=B5=D1=88=D0=B5=D0=BD=D0=B8=D1=8F=D0=BC=D0=B8 = =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D0=BB=D0=B8=D1=81=D1=8C = = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=BF=D0=BB=D0=B0=D1=82=D0=B5=D0=BB=D1= =8C=D1=89=D0=B8=D0=BA=D0=B8?
=D0=91=D0=BB=D0=BE=D0=BA 5. = =D0=A1=D0=BB=D0=BE=D0=B6=D0=BD=D1=8B=D0=B5 = =D0=B2=D0=BE=D0=BF=D1=80=D0=BE=D1=81=D1=8B=20 = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D0=BE=D0=B3=D0= =BE = =D1=86=D0=B5=D0=BD=D0=BE=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=D0=BE=D0=B2=D0=B0=D0= =BD=D0=B8=D1=8F
=D0=9E=D0=B1=D0=BE=D1=81= =D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5=20 =D1=86=D0=B5=D0=BD = =D0=BF=D0=BE=D0=BF=D1=83=D1=82=D0=BD=D1=8B=D1=85 = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=82=D0=BE=D0=B2 = =D0=BF=D1=80=D0=BE=D0=B8=D0=B7=D0=B2=D0=BE=D0=B4=D1=81=D1=82=D0=B2=D0=B0 = =D0=BF=D1=80=D0=B8 = =D0=BE=D1=82=D1=81=D1=83=D1=82=D1=81=D1=82=D0=B2=D0=B8=D0=B8=20 = =D0=B8=D1=81=D1=82=D0=BE=D1=87=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2
=D1=81=D0=BE=D0=BF=D0=BE= =D1=81=D1=82=D0=B0=D0=B2=D0=B8=D0=BC=D1=8B=D1=85=20 =D1=80=D1=8B=D0=BD=D0=BE=D1=87=D0=BD=D1=8B=D1=85 = =D1=86=D0=B5=D0=BD
=D0=9F=D1=80=D0=BE=D0=B8= =D0=B7=D0=B2=D0=BE=D0=B4=D1=81=D1=82=D0=B2=D0=BE=20 = =D0=BF=D1=80=D0=BE=D0=B4=D1=83=D0=BA=D1=82=D0=BE=D0=B2 = =D0=BF=D0=B5=D1=80=D0=B5=D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=BA=D0=B8 = =D1=81=D1=8B=D1=80=D1=8C=D1=8F =D0=B8 =D0=B8=D1=85 = =D0=BF=D0=BE=D1=81=D0=BB=D0=B5=D0=B4=D1=83=D1=8E=D1=89=D0=B0=D1=8F=20 = =D1=80=D0=B5=D0=B0=D0=BB=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D1=8F
=D0=98=D0=BD=D1=82=D0=B5= =D0=BB=D0=BB=D0=B5=D0=BA=D1=82=D1=83=D0=B0=D0=BB=D1=8C=D0=BD=D0=B0=D1=8F = = =D1=81=D0=BE=D0=B1=D1=81=D1=82=D0=B2=D0=B5=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D1= =8C =D0=B8 =D1=80=D0=BE=D1=8F=D0=BB=D1=82=D0=B8
=D0=97=D0=B0=D0=B9=D0=BC= =D1=8B =D0=B8=20 = =D0=BF=D0=BE=D1=80=D1=83=D1=87=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D1=81=D1=82=D0= =B2=D0=B0
=D0=A1=D0=B4=D0=B5=D0=BB= =D0=BA=D0=B8 =D1=81=20 = =D0=BE=D1=84=D1=84=D1=88=D0=BE=D1=80=D0=B0=D0=BC=D0=B8: = =D0=BE=D0=B1=D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B5 = =D1=86=D0=B5=D0=BD =D0=B2 = =D0=BE=D1=82=D1=81=D1=83=D1=82=D1=81=D1=82=D0=B2=D0=B8=D0=B8 = =D1=84=D0=B8=D0=BD=D0=B0=D0=BD=D1=81=D0=BE=D0=B2=D0=BE=D0=B9=20 = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D0=B8 =D0=BE
=D0=BA=D0=BE=D0=BD=D1=82= =D1=80=D0=B0=D0=B3=D0=B5=D0=BD=D1=82=D0=B5
=D0=AD=D0=BA=D1=81=D0=BF= =D0=BE=D1=80=D1=82/=D0=B8=D0=BC=D0=BF=D0=BE=D1=80=D1=82=20 =E2=80=93 = =D0=BF=D1=80=D0=B0=D0=BA=D1=82=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D0=B5 = =D1=80=D0=B5=D1=88=D0=B5=D0=BD=D0=B8=D1=8F
= =D0=9A=D0=BE=D0=B3=D0=B4= =D0=B0=20 =D1=86=D0=B5=D0=BD=D1=83 = =D0=BD=D0=B5=D0=B2=D0=BE=D0=B7=D0=BC=D0=BE=D0=B6=D0=BD=D0=BE = =D0=BE=D0=B1=D0=BE=D1=81=D0=BD=D0=BE=D0=B2=D0=B0=D1=82=D1=8C = =D0=BE=D0=B4=D0=BD=D0=B8=D0=BC = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=BC =D0=A2=D0=A6?=20 = =D0=98=D1=81=D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0= =B5 =D0=BA=D0=BE=D0=BC=D0=B1=D0=B8=D0=BD=D0=B0=D1=86=D0=B8=D0=B8
=D0=BC=D0=B5=D1=82=D0=BE= =D0=B4=D0=BE=D0=B2
=D0=91=D0=BB=D0=BE=D0=BA=20 6. = =D0=9A=D0=BE=D0=BD=D1=82=D1=80=D0=BE=D0=BB=D1=8C =D0=B8 = =D0=B0=D0=B4=D0=BC=D0=B8=D0=BD=D0=B8=D1=81=D1=82=D1=80=D0=B8=D1=80=D0=BE=D0= =B2=D0=B0=D0=BD=D0=B8=D0=B5
=D0=9F=D0=BE=D0=BB=D0=BD= =D0=BE=D0=BC=D0=BE=D1=87=D0=B8=D1=8F=20 = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D1=8F=D1=8E=D1=89=D0=B8=D1=85: = =D0=A4=D0=9D=D0=A1, = =D0=9C=D0=B5=D0=B6=D1=80=D0=B5=D0=B3=D0=B8=D0=BE=D0=BD=D0=B0=D0=BB=D1=8C=D0= =BD=D0=B0=D1=8F =D0=B8=D0=BD=D1=81=D0=BF=D0=B5=D0=BA=D1=86=D0=B8=D1=8F = =D0=BF=D0=BE =D1=86=D0=B5=D0=BD=D0=B0=D0=BC,=20 = =D1=82=D0=B5=D1=80=D1=80=D0=B8=D1=82=D0=BE=D1=80=D0=B8=D0=B0=D0=BB=D1=8C=D0= =BD=D1=8B=D0=B5
=D0=BD=D0=B0=D0=BB=D0=BE= =D0=B3=D0=BE=D0=B2=D1=8B=D0=B5=20 =D0=BE=D1=80=D0=B3=D0=B0=D0=BD=D1=8B
=D0=9F=D1=80=D0=BE=D0=B2= =D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D0=B5=20 = =D0=BA=D0=B0=D0=BC=D0=B5=D1=80=D0=B0=D0=BB=D1=8C=D0=BD=D0=BE=D0=B9 = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA=D0=B8 = =D1=83=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F: = =D0=B2=D0=BE=D0=B7=D0=BC=D0=BE=D0=B6=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=B2=D1=8B=D1=8F=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F=20 =D0=BE=D1=88=D0=B8=D0=B1=D0=BE=D0=BA =D0=B8
=D0=BD=D0=B5=D0=BF=D0=BE= =D0=BB=D0=BD=D0=BE=D1=82=D1=8B=20 = =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D0=B8
=D0=A1=D1=80=D0=BE=D0=BA= =D0=B8 =D0=B8=20 = =D0=BE=D1=81=D0=BE=D0=B1=D0=B5=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BE=D0=BA = =D1=82=D1=80=D0=B0=D0=BD=D1=81=D1=84=D0=B5=D1=80=D1=82=D0=BD=D1=8B=D1=85 = =D1=86=D0=B5=D0=BD.
=D0=98=D1=81=D1=82=D0=BE= =D1=87=D0=BD=D0=B8=D0=BA=D0=B8,=20 =D0=BA=D0=BE=D1=82=D0=BE=D1=80=D1=8B=D0=BC=D0=B8 = =D0=B1=D1=83=D0=B4=D1=83=D1=82 = =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D1=82=D1=8C=D1=81=D1=8F = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D0=B5 = =D0=BE=D1=80=D0=B3=D0=B0=D0=BD=D1=8B =D0=B4=D0=BB=D1=8F=20 = =D0=B2=D1=8B=D1=8F=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F
=D0=BA=D0=BE=D0=BD=D1=82= =D1=80=D0=BE=D0=BB=D0=B8=D1=80=D1=83=D0=B5=D0=BC=D1=8B=D1=85=20 =D1=81=D0=B4=D0=B5=D0=BB=D0=BE=D0=BA =D0=B2 = =D1=81=D0=BB=D1=83=D1=87=D0=B0=D1=8F=D1=85 = =D0=BD=D0=B5=D0=BF=D0=BE=D0=B4=D0=B0=D1=87=D0=B8 = =D1=83=D0=B2=D0=B5=D0=B4=D0=BE=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D0=B9
=D0=A1=D0=BF=D0=BE=D1=80= =D1=8B =D1=81=20 = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B3=D0=BE=D0=B2=D1=8B=D0=BC=D0=B8 = =D0=BE=D1=80=D0=B3=D0=B0=D0=BD=D0=B0=D0=BC=D0=B8

=D0=A1=D1=82=D0=BE=D0=B8=D0=BC=D0=BE=D1=81=D1=82=D1=8C=20 = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=B8=D1=8F: 21 600 =D1=80.
=D0=92 = =D1=81=D1=82=D0=BE=D0=B8=D0=BC=D0=BE=D1=81=D1=82=D1=8C=20 =D0=B2=D1=85=D0=BE=D0=B4=D0=B8=D1=82 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D0=B9 = =D0=BC=D0=B0=D1=82=D0=B5=D1=80=D0=B8=D0=B0=D0=BB, = =D0=BE=D0=B1=D0=B5=D0=B4=D1=8B, = =D0=BA=D0=BE=D1=84=D0=B5-=D0=BF=D0=B0=D1=83=D0=B7=D1=8B,=20 = =D1=81=D0=B5=D1=80=D1=82=D0=B8=D1=84=D0=B8=D0=BA=D0=B0=D1=82.
=D0=98=D0=BD=D0=BE=D0=B3=D0= =BE=D1=80=D0=BE=D0=B4=D0=BD=D0=B8=D0=BC=20 = =D1=83=D1=87=D0=B0=D1=81=D1=82=D0=BD=D0=B8=D0=BA=D0=B0=D0=BC = =D0=BF=D0=BE=D0=BC=D0=BE=D0=B3=D0=B0=D0=B5=D0=BC =D0=B2 = =D0=B1=D1=80=D0=BE=D0=BD=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B8 = = =D0=B3=D0=BE=D1=81=D1=82=D0=B8=D0=BD=D0=B8=D1=86=D1=8B.
=
------=_NextPart_000_0039_01D1C0D7.3B490D80-- From BATV+75fc7f7cc5699f774dd8+4671+infradead.org+hch@bombadil.srs.infradead.org Tue Jun 7 08:44:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6DDF67CA0 for ; Tue, 7 Jun 2016 08:44:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3D42D8F8040 for ; Tue, 7 Jun 2016 06:44:48 -0700 (PDT) X-ASG-Debug-ID: 1465307085-04cbb03569be0e90001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id QPuedyCuUWIUfPum (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 06:44:45 -0700 (PDT) X-Barracuda-Envelope-From: BATV+75fc7f7cc5699f774dd8+4671+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bAHJC-0001C6-Aa; Tue, 07 Jun 2016 13:44:42 +0000 Date: Tue, 7 Jun 2016 06:44:42 -0700 From: Christoph Hellwig To: Daniel Wagner Cc: Reinoud Koornstra , Christoph Hellwig , Eric Sandeen , xfs@oss.sgi.com, viro@zeniv.linux.org.uk Subject: Re: crash in xfs in current Message-ID: <20160607134442.GA1803@infradead.org> X-ASG-Orig-Subj: Re: crash in xfs in current References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1465307085 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 887 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30244 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Jun 07, 2016 at 12:52:39PM +0200, Daniel Wagner wrote: > >> I try to reproduce it on 4.6. My steps do not always trigger the crash. > >> So I can't be really sure if 4.6 doesn't show it, it does not happen. > > > > I have never been able to trigger this in 4.6 and it's my failsafe > > reboot (4.6.0). > > In 4.7-rc1 it's just a matter of time before I hit it. > > I do a lot of transactions, using git, extraction of tar.xz etc normally. > > This rings a bell. I though the lockperf tests triggered it. Before I > compiled a new kernel I did a 'git checkout' step. Thanks for testing this to both of you. Can you try to build a kernel from git commit 555b67e4e729ca544bb4028ab12e532c68b70ddb - this is the XFS pull request that Dave sent to Linux for Linux 4.7-rc, so it has all the XFS changes relative to 4.6, but none of the others like the VFS changes. From public@enkore.de Tue Jun 7 12:04:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4508B7CA0 for ; Tue, 7 Jun 2016 12:04:22 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 88F39AC004 for ; Tue, 7 Jun 2016 10:04:18 -0700 (PDT) X-ASG-Debug-ID: 1465319052-04cb6c2dbbbb9600001-NocioJ Received: from mail-wm0-f68.google.com (mail-wm0-f68.google.com [74.125.82.68]) by cuda.sgi.com with ESMTP id eVLG9ytF7goVeaXZ (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 10:04:13 -0700 (PDT) X-Barracuda-Envelope-From: public@enkore.de X-Barracuda-Effective-Source-IP: mail-wm0-f68.google.com[74.125.82.68] X-Barracuda-Apparent-Source-IP: 74.125.82.68 Received: by mail-wm0-f68.google.com with SMTP id n184so25782547wmn.1 for ; Tue, 07 Jun 2016 10:04:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=enkore-de.20150623.gappssmtp.com; s=20150623; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding; bh=af7k36Z6iHmWUygqzTuGOjuPr8VrwJDEct6E+/ZHcSU=; b=Alf1tKdHRTQ7zXY/uxygON/5zHBqnVGTDNsVIuCXOJ2oZr3HPTm+Jp1UzddvGM6xyY qln20kkGNfaVoaNvFXF7ryUzodfwTA2c52z8AVXgKXYznY+6vHayEi0zR+xrB/rXdm5s d/ZsFBpa8+AhmlTO1JLqaYp07soErASxI8GyTKZHpJOTbL9PvYAA+3sNL96/7/CAnlsA G1I830KAQO0SukyJ8ZSyYmh8y/Bj/hdDl+TAoMEY9PdFHdiWj5LJ2SpASz8N3quuaWpc lBvL/dyEqypKxNXR2qHD/3r9veL0B/E7lrwfXlZ9ee1El+itsZ1mdQJN8PVVFv6G8HBg VZrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding; bh=af7k36Z6iHmWUygqzTuGOjuPr8VrwJDEct6E+/ZHcSU=; b=O4DhhnvmYAFJNi+EVmCO2RAqN6E09n2ndtmK9b6rxI4a8LjDkcatRxVwFAgUc8TqAE lBzINTAo8iKJmuswFEVapoqTpkgujlu2Cwb4L6/4ZbngWHoeGLkWzgIp3KEjdi6gEm/4 Jo/zuiKqwakE6QiYeOpbhTcsO9q2gsPZZBrFFd0ppbZ1+lv8FDBWB8FVrrdbgP2Ha7cV fmzF6rW9e5BQjB7Def5uPdQajHOJqVbwGk5S2WllGdWUUjKI/qZ3FBBS1V5JNTa0UTMu P5iWbtztGEPVXtlAsvsf0M4wY+ox0k6TQCvesDgA4Rp693jA8qMZvH3vDIcp0yJw/VG1 HHjw== X-Gm-Message-State: ALyK8tKMFhBq+GAJ3KSYhqyRlX4RTwkOR6ZqA4tM1qkmEmb5TJsSeFD9RlKGnqFrh4PGHg== X-Received: by 10.194.3.51 with SMTP id 19mr420282wjz.57.1465319051910; Tue, 07 Jun 2016 10:04:11 -0700 (PDT) Received: from [192.168.2.44] (p57ACAF14.dip0.t-ipconnect.de. [87.172.175.20]) by smtp.googlemail.com with ESMTPSA id zg2sm11447776wjb.1.2016.06.07.10.04.10 for (version=TLSv1/SSLv3 cipher=OTHER); Tue, 07 Jun 2016 10:04:11 -0700 (PDT) To: xfs@oss.sgi.com From: Marian Beermann Subject: BUG null-pointer dereference on recovery of corrupted FS Message-ID: X-ASG-Orig-Subj: BUG null-pointer dereference on recovery of corrupted FS Date: Tue, 7 Jun 2016 19:04:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-wm0-f68.google.com[74.125.82.68] X-Barracuda-Start-Time: 1465319053 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14165 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30248 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Hi everyone, on a failing drive containing an XFS the following tracebacks occur when XFS tries to recover. I'm afraid I can't provide more detailed information, since the drive completely failed shortly thereafter and is already disposed. Linux 4.5.6 on x64. Cheers, Marian [20947.408809] scsi 0:0:0:0: Direct-Access ATA SAMSUNG HD501LJ 0-10 PQ: 0 ANSI: 5 [20947.420009] sd 0:0:0:0: [sde] 976771055 512-byte logical blocks: (500 GB/466 GiB) [20947.420185] sd 0:0:0:0: [sde] Write Protect is off [20947.420190] sd 0:0:0:0: [sde] Mode Sense: 00 3a 00 00 [20947.420204] sd 0:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [20947.465053] sde: sde1 sde2 sde3 [20947.465984] sd 0:0:0:0: [sde] Attached SCSI removable disk [21043.651589] XFS (sde2): Mounting V5 Filesystem [21043.746426] XFS (sde2): Starting recovery (logdev: internal) [21061.815869] XFS (sde2): _xfs_buf_find: Block out of range: block 0x8031bfdf8, EOFS 0xc6ff800 [21061.815875] ------------[ cut here ]------------ [21061.815902] WARNING: CPU: 5 PID: 4731 at fs/xfs/xfs_buf.c:472 _xfs_buf_find+0x2cb/0x340 [xfs]() [21061.815904] Modules linked in: joydev mousedev input_leds hid_generic usbhid hid it87 hwmon_vid fuse eeepc_wmi asus_wmi sparse_keymap led_class rfkill video evdev mxm_wmi mac_hid amdkfd amd_iommu_v2 kvm_amd kvm radeon psmouse snd_hda_codec_hdmi serio_raw irqbypass pcspkr k10temp snd_hda_intel e1000e edac_mce_amd snd_hda_codec ttm edac_core ptp pps_core snd_ctxfi snd_hda_core drm_kms_helper sp5100_tco snd_hwdep snd_pcm drm i2c_piix4 syscopyarea sysfillrect snd_timer snd sysimgblt fb_sys_fops acpi_cpufreq soundcore i2c_algo_bit tpm_tis tpm fjes shpchp wmi processor button sch_fq_codel vboxnetflt(O) vboxnetadp(O) pci_stub vboxpci(O) vboxdrv(O) nfs lockd grace sunrpc fscache ip_tables x_tables xfs crc32c_generic libcrc32c sd_mod atkbd libps2 ahci libahci ohci_pci xhci_pci ohci_hcd ehci_pci libata xhci_hcd [21061.815960] ehci_hcd scsi_mod usbcore usb_common i8042 serio [21061.815967] CPU: 5 PID: 4731 Comm: mount Tainted: G O 4.5.6-1-ck #1 [21061.815969] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A99X EVO, BIOS 1604 10/16/2012 [21061.815972] 0000000000000286 00000000cc91327e ffff880352eaf8f0 ffffffff812e4b22 [21061.815975] 0000000000000000 ffffffffa02a53d7 ffff880352eaf928 ffffffff8107e5a2 [21061.815979] ffff880414f40240 0000000000000008 ffff880414f40240 ffff880352eafa18 [21061.815982] Call Trace: [21061.815988] [] dump_stack+0x63/0x81 [21061.815993] [] warn_slowpath_common+0x82/0xc0 [21061.815997] [] warn_slowpath_null+0x1a/0x20 [21061.816014] [] _xfs_buf_find+0x2cb/0x340 [xfs] [21061.816031] [] xfs_buf_get_map+0x2a/0x1e0 [xfs] [21061.816044] [] ? xfs_free_ag_extent+0x28b/0x7c0 [xfs] [21061.816058] [] xfs_trans_get_buf_map+0x101/0x180 [xfs] [21061.816073] [] xfs_btree_get_bufs+0x5e/0x80 [xfs] [21061.816086] [] xfs_alloc_fix_freelist+0x238/0x400 [xfs] [21061.816102] [] ? xfs_buf_get_map+0x181/0x1e0 [xfs] [21061.816118] [] ? xfs_buf_rele+0x40/0x1a0 [xfs] [21061.816122] [] ? kmem_cache_alloc+0x1bc/0x1e0 [21061.816137] [] ? kmem_zone_alloc+0x78/0x120 [xfs] [21061.816153] [] ? xfs_perag_get+0x51/0xe0 [xfs] [21061.816166] [] xfs_free_extent+0x96/0x140 [xfs] [21061.816181] [] xfs_trans_free_extent+0x26/0x60 [xfs] [21061.816195] [] xlog_recover_process_efi+0x14e/0x1a0 [xfs] [21061.816210] [] xlog_recover_process_efis.isra.19+0x7b/0xe0 [xfs] [21061.816224] [] xlog_recover_finish+0x23/0xc0 [xfs] [21061.816237] [] ? xfs_rtmount_inodes+0x63/0x120 [xfs] [21061.816252] [] xfs_log_mount_finish+0x29/0x60 [xfs] [21061.816268] [] xfs_mountfs+0x594/0x860 [xfs] [21061.816284] [] xfs_fs_fill_super+0x3af/0x4e0 [xfs] [21061.816288] [] mount_bdev+0x17b/0x1c0 [21061.816303] [] ? xfs_parseargs+0xa60/0xa60 [xfs] [21061.816319] [] xfs_fs_mount+0x15/0x20 [xfs] [21061.816322] [] mount_fs+0x38/0x160 [21061.816325] [] ? alloc_vfsmnt+0x19a/0x240 [21061.816329] [] vfs_kern_mount+0x60/0x120 [21061.816332] [] do_mount+0x24e/0xe20 [21061.816335] [] ? mntput+0x24/0x40 [21061.816338] [] ? __fput+0x13d/0x1e0 [21061.816341] [] ? __kmalloc_track_caller+0x31/0x240 [21061.816344] [] ? memdup_user+0x42/0x80 [21061.816348] [] SyS_mount+0x98/0x100 [21061.816352] [] entry_SYSCALL_64_fastpath+0x12/0x6d [21061.816355] ---[ end trace b716ae71022f5e61 ]--- [21061.816359] XFS (sde2): _xfs_buf_find: Block out of range: block 0x8031bfdf8, EOFS 0xc6ff800 [21061.816361] ------------[ cut here ]------------ [21061.816378] WARNING: CPU: 5 PID: 4731 at fs/xfs/xfs_buf.c:472 _xfs_buf_find+0x2cb/0x340 [xfs]() [21061.816380] Modules linked in: joydev mousedev input_leds hid_generic usbhid hid it87 hwmon_vid fuse eeepc_wmi asus_wmi sparse_keymap led_class rfkill video evdev mxm_wmi mac_hid amdkfd amd_iommu_v2 kvm_amd kvm radeon psmouse snd_hda_codec_hdmi serio_raw irqbypass pcspkr k10temp snd_hda_intel e1000e edac_mce_amd snd_hda_codec ttm edac_core ptp pps_core snd_ctxfi snd_hda_core drm_kms_helper sp5100_tco snd_hwdep snd_pcm drm i2c_piix4 syscopyarea sysfillrect snd_timer snd sysimgblt fb_sys_fops acpi_cpufreq soundcore i2c_algo_bit tpm_tis tpm fjes shpchp wmi processor button sch_fq_codel vboxnetflt(O) vboxnetadp(O) pci_stub vboxpci(O) vboxdrv(O) nfs lockd grace sunrpc fscache ip_tables x_tables xfs crc32c_generic libcrc32c sd_mod atkbd libps2 ahci libahci ohci_pci xhci_pci ohci_hcd ehci_pci libata xhci_hcd [21061.816421] ehci_hcd scsi_mod usbcore usb_common i8042 serio [21061.816425] CPU: 5 PID: 4731 Comm: mount Tainted: G W O 4.5.6-1-ck #1 [21061.816427] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A99X EVO, BIOS 1604 10/16/2012 [21061.816429] 0000000000000286 00000000cc91327e ffff880352eaf8f0 ffffffff812e4b22 [21061.816432] 0000000000000000 ffffffffa02a53d7 ffff880352eaf928 ffffffff8107e5a2 [21061.816435] ffff880414f40240 0000000000000008 ffff880414f40240 ffff880352eafa18 [21061.816437] Call Trace: [21061.816440] [] dump_stack+0x63/0x81 [21061.816444] [] warn_slowpath_common+0x82/0xc0 [21061.816447] [] warn_slowpath_null+0x1a/0x20 [21061.816464] [] _xfs_buf_find+0x2cb/0x340 [xfs] [21061.816480] [] xfs_buf_get_map+0x154/0x1e0 [xfs] [21061.816494] [] xfs_trans_get_buf_map+0x101/0x180 [xfs] [21061.816509] [] xfs_btree_get_bufs+0x5e/0x80 [xfs] [21061.816522] [] xfs_alloc_fix_freelist+0x238/0x400 [xfs] [21061.816538] [] ? xfs_buf_get_map+0x181/0x1e0 [xfs] [21061.816554] [] ? xfs_buf_rele+0x40/0x1a0 [xfs] [21061.816557] [] ? kmem_cache_alloc+0x1bc/0x1e0 [21061.816572] [] ? kmem_zone_alloc+0x78/0x120 [xfs] [21061.816588] [] ? xfs_perag_get+0x51/0xe0 [xfs] [21061.816601] [] xfs_free_extent+0x96/0x140 [xfs] [21061.816616] [] xfs_trans_free_extent+0x26/0x60 [xfs] [21061.816630] [] xlog_recover_process_efi+0x14e/0x1a0 [xfs] [21061.816645] [] xlog_recover_process_efis.isra.19+0x7b/0xe0 [xfs] [21061.816659] [] xlog_recover_finish+0x23/0xc0 [xfs] [21061.816672] [] ? xfs_rtmount_inodes+0x63/0x120 [xfs] [21061.816687] [] xfs_log_mount_finish+0x29/0x60 [xfs] [21061.816703] [] xfs_mountfs+0x594/0x860 [xfs] [21061.816719] [] xfs_fs_fill_super+0x3af/0x4e0 [xfs] [21061.816722] [] mount_bdev+0x17b/0x1c0 [21061.816737] [] ? xfs_parseargs+0xa60/0xa60 [xfs] [21061.816753] [] xfs_fs_mount+0x15/0x20 [xfs] [21061.816756] [] mount_fs+0x38/0x160 [21061.816759] [] ? alloc_vfsmnt+0x19a/0x240 [21061.816763] [] vfs_kern_mount+0x60/0x120 [21061.816766] [] do_mount+0x24e/0xe20 [21061.816769] [] ? mntput+0x24/0x40 [21061.816771] [] ? __fput+0x13d/0x1e0 [21061.816774] [] ? __kmalloc_track_caller+0x31/0x240 [21061.816777] [] ? memdup_user+0x42/0x80 [21061.816780] [] SyS_mount+0x98/0x100 [21061.816783] [] entry_SYSCALL_64_fastpath+0x12/0x6d [21061.816824] ---[ end trace b716ae71022f5e62 ]--- [21061.816870] BUG: unable to handle kernel NULL pointer dereference at 00000000000000f8 [21061.817005] IP: [] xfs_trans_binval+0x16/0x120 [xfs] [21061.817144] PGD 34426a067 PUD 32caab067 PMD 0 [21061.817227] Oops: 0000 [#1] PREEMPT SMP [21061.817296] Modules linked in: joydev mousedev input_leds hid_generic usbhid hid it87 hwmon_vid fuse eeepc_wmi asus_wmi sparse_keymap led_class rfkill video evdev mxm_wmi mac_hid amdkfd amd_iommu_v2 kvm_amd kvm radeon psmouse snd_hda_codec_hdmi serio_raw irqbypass pcspkr k10temp snd_hda_intel e1000e edac_mce_amd snd_hda_codec ttm edac_core ptp pps_core snd_ctxfi snd_hda_core drm_kms_helper sp5100_tco snd_hwdep snd_pcm drm i2c_piix4 syscopyarea sysfillrect snd_timer snd sysimgblt fb_sys_fops acpi_cpufreq soundcore i2c_algo_bit tpm_tis tpm fjes shpchp wmi processor button sch_fq_codel vboxnetflt(O) vboxnetadp(O) pci_stub vboxpci(O) vboxdrv(O) nfs lockd grace sunrpc fscache ip_tables x_tables xfs crc32c_generic libcrc32c sd_mod atkbd libps2 ahci libahci ohci_pci xhci_pci ohci_hcd ehci_pci libata xhci_hcd [21061.818682] ehci_hcd scsi_mod usbcore usb_common i8042 serio [21061.818772] CPU: 0 PID: 4731 Comm: mount Tainted: G W O 4.5.6-1-ck #1 [21061.818880] Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A99X EVO, BIOS 1604 10/16/2012 [21061.819017] task: ffff8803e342e900 ti: ffff880352eac000 task.ti: ffff880352eac000 [21061.819124] RIP: 0010:[] [] xfs_trans_binval+0x16/0x120 [xfs] [21061.819283] RSP: 0018:ffff880352eafa10 EFLAGS: 00010246 [21061.819362] RAX: 0000000000000000 RBX: ffff8800c0bf6000 RCX: 0000000180150014 [21061.819496] RDX: 0000000180150015 RSI: 0000000000000000 RDI: ffff8800c0bf6000 [21061.819598] RBP: ffff880352eafa30 R08: 0000000000000001 R09: 0000000000000000 [21061.819700] R10: ffff8803e116db00 R11: 0000000000000000 R12: ffff8800c0bf6000 [21061.819802] R13: 0000000000000006 R14: 0000000000000000 R15: ffff88041648d000 [21061.819906] FS: 00007fe6397a0780(0000) GS:ffff88042fc00000(0000) knlGS:0000000000000000 [21061.820021] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [21061.820106] CR2: 00000000000000f8 CR3: 000000032e72f000 CR4: 00000000000006f0 [21061.820208] Stack: [21061.820240] ffff880352eafb28 ffff8800c0bf6000 0000000000000006 ffff8803e13bc9c0 [21061.820359] ffff880352eafb10 ffffffffa021e163 ffff8802d913a480 0000000200000000 [21061.820508] ffffffff00020001 ffff8802d913a480 0000000000000000 ffff880352eafaa8 [21061.820627] Call Trace: [21061.820689] [] xfs_alloc_fix_freelist+0x243/0x400 [xfs] [21061.820817] [] ? xfs_buf_get_map+0x181/0x1e0 [xfs] [21061.820937] [] ? xfs_buf_rele+0x40/0x1a0 [xfs] [21061.821028] [] ? kmem_cache_alloc+0x1bc/0x1e0 [21061.821140] [] ? kmem_zone_alloc+0x78/0x120 [xfs] [21061.821258] [] ? xfs_perag_get+0x51/0xe0 [xfs] [21061.821369] [] xfs_free_extent+0x96/0x140 [xfs] [21061.821482] [] xfs_trans_free_extent+0x26/0x60 [xfs] [21061.821620] [] xlog_recover_process_efi+0x14e/0x1a0 [xfs] [21061.821746] [] xlog_recover_process_efis.isra.19+0x7b/0xe0 [xfs] [21061.821879] [] xlog_recover_finish+0x23/0xc0 [xfs] [21061.821994] [] ? xfs_rtmount_inodes+0x63/0x120 [xfs] [21061.822114] [] xfs_log_mount_finish+0x29/0x60 [xfs] [21061.822234] [] xfs_mountfs+0x594/0x860 [xfs] [21061.822350] [] xfs_fs_fill_super+0x3af/0x4e0 [xfs] [21061.822446] [] mount_bdev+0x17b/0x1c0 [21061.822549] [] ? xfs_parseargs+0xa60/0xa60 [xfs] [21061.822670] [] xfs_fs_mount+0x15/0x20 [xfs] [21061.822758] [] mount_fs+0x38/0x160 [21061.822833] [] ? alloc_vfsmnt+0x19a/0x240 [21061.822919] [] vfs_kern_mount+0x60/0x120 [21061.823003] [] do_mount+0x24e/0xe20 [21061.823079] [] ? mntput+0x24/0x40 [21061.823153] [] ? __fput+0x13d/0x1e0 [21061.823229] [] ? __kmalloc_track_caller+0x31/0x240 [21061.823325] [] ? memdup_user+0x42/0x80 [21061.823407] [] SyS_mount+0x98/0x100 [21061.823485] [] entry_SYSCALL_64_fastpath+0x12/0x6d [21061.823611] Code: e8 44 08 d7 e0 e9 50 ff ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 56 41 55 49 89 f6 41 54 53 48 89 fb <4c> 8b ae f8 00 00 00 0f 1f 44 00 00 41 f6 45 78 04 74 5d 5b 41 [21061.824122] RIP [] xfs_trans_binval+0x16/0x120 [xfs] [21061.824245] RSP [21061.824296] CR2: 00000000000000f8 [21061.891732] ---[ end trace b716ae71022f5e63 ]--- From sandeen@sandeen.net Tue Jun 7 12:12:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BD36A7CA0 for ; Tue, 7 Jun 2016 12:12:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 82DD0304039 for ; Tue, 7 Jun 2016 10:12:25 -0700 (PDT) X-ASG-Debug-ID: 1465319542-04cb6c2dbcbb9a90001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id R5UjzRJF6sjPyyDZ for ; Tue, 07 Jun 2016 10:12:22 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 54F2F873 for ; Tue, 7 Jun 2016 12:12:22 -0500 (CDT) Subject: Re: determining superblock version? To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: determining superblock version? References: <20160607125127.6dd23aef@harpe.intellique.com> From: Eric Sandeen Message-ID: Date: Tue, 7 Jun 2016 12:12:21 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160607125127.6dd23aef@harpe.intellique.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465319542 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2162 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30248 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/7/16 5:51 AM, Emmanuel Florac wrote: > Hi all, > > as you know kernel prior to 3.16 won't support properly v5 superblocks. > xfsprogs v 3.2.4 and higher defaults to v5 superblocks. This bit quite > a lot of people a year ago or so, when some distributions shipped 3.2.4 > xfsprogs with older kernels. > > Anyway, I was surprised to find no easy way to find out the superblock > version of an xfs FS. The best I've come across is > > xfs_db /dev/this > sb > p > > > versionnum = 0xb4a5 > There is certainly some confusion about naming. Version 5, compat/incompat features, feature bits, feature names, etc. > So I suppose that the 5 in the end means that the superblock is v5? Can > anyone confirm please? The man page still pretends that the last number > should be 1 to 4, which is confusing. Yes, the last bits contain the version number (masked by 0xf, see below) #define XFS_SB_VERSION_1 1 /* 5.3, 6.0.1, 6.1 */ #define XFS_SB_VERSION_2 2 /* 6.2 - attributes */ #define XFS_SB_VERSION_3 3 /* 6.2 - new inode version */ #define XFS_SB_VERSION_4 4 /* 6.2+ - bitmask version */ #define XFS_SB_VERSION_5 5 /* CRC enabled filesystem */ #define XFS_SB_VERSION_NUMBITS 0x000f feel free to send a man page patch :) > Oh by the way I think the trick to create a v4 filesystem with mkfs.xfs > higher than 3.2.4 ( mkfs.xfs -m crc=0,finobt=0 /dev/this ) should be in > the FAQ, with a line like this: > > Mounting the filesystem fails, and output from dmesg says "Version 5 > superblock detected." What should I do? > > v5 superblocks require a kernel v3.16 of higher. If you need your > xfs filesystem to be usable with older kernel, use the following > options to mkfs.xfs : > > mkfs.xfs -m crc=0,finobt=0 /dev/this finobt=0 should not be needed, it should be off if crc=0 AFAIK. However, -n ftype=1 may still be enabled, and older kernels may have an issue with that as well. Feel free to add this to the wiki (can new accounts still be created?) -Eric From reinoudkoornstra@gmail.com Tue Jun 7 18:40:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8A8B77CA0 for ; Tue, 7 Jun 2016 18:40:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 50C65304032 for ; Tue, 7 Jun 2016 16:40:06 -0700 (PDT) X-ASG-Debug-ID: 1465342804-04cbb03569bf8b50001-NocioJ Received: from mail-qg0-f53.google.com (mail-qg0-f53.google.com [209.85.192.53]) by cuda.sgi.com with ESMTP id TE4VXLngSNcnAArs (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 16:40:04 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qg0-f53.google.com[209.85.192.53] X-Barracuda-Apparent-Source-IP: 209.85.192.53 Received: by mail-qg0-f53.google.com with SMTP id p34so66726421qgp.1 for ; Tue, 07 Jun 2016 16:40:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=eCPHtV5QC9qVBTZrntpRFnse/jbBrWaOvfJJRJgjVfI=; b=WgfCiuyfFHqfJOpWWRcnasjV6q8YSOGMs7ofKO4fK53URHaHbAxdaU9NrOP/grXg0J X2eSXQxWcpKU3ogxGN4Gimp8UrJi8ujN+dwSrJ2gXSW3PRdnBkZi8WXb/WydrASDExnZ wCfwmttyWIZ5z7y4NDs2RRPeJk3nSrb2iZCcEJUXcppsUU0ZMaTrZeFv6iyg1Qyushjd /Qb8k9aNlb3CL+Qftz4HiMTXuIlHCS3nxk0LUzrf1RfHfpyPiKYg/NMUVlo8ywPZ//fL AhJov1Fsmdcb4tr7HEhe6oCr2MZ/H+1AIm1MMTiFRz8jbAeELunjjh+X4XUfviWSM/yO FJLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=eCPHtV5QC9qVBTZrntpRFnse/jbBrWaOvfJJRJgjVfI=; b=Gr9JzxgRPtgIvKQjSVGfKrrXw9DednfD4nIDDcH40ryAr6oIq9fGDY7/1DMWgh/y6m kqLeZSzPS6PTQqoAPiConfNp75Z7x1t5g5Wz9jh4tah/iG50MQd9tKmKSQkzPNBEoVuB NCeCnCOb+5w8CpWv8jGoW6Gbw9YAqoEpJ/TlSCjfc6lKZTVhqWzzW584lKzWhXLCKUnw tfQarjn2pbQOmrMYgWRlqr8l7q/s9UE/arMglNGSRNdqBGhBHp0v7SxNR1MJrj7protn VtMxJVkacH5Qf3zixkvGq8uF2OAwJ4NGeRqEzJFmpurglS+TfX2RDJBARY0WNH+vngCJ bC3A== X-Gm-Message-State: ALyK8tIwV/gCtrzGmz2gEfXg+NWJnWp3Rz+yZS1KT+vZgvhVl/kuc8jCpKDClV47dvKP6i/nR+lmL0RpHw7mLQ== X-Received: by 10.140.108.183 with SMTP id j52mr2000114qgf.90.1465342804022; Tue, 07 Jun 2016 16:40:04 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.8.16 with HTTP; Tue, 7 Jun 2016 16:40:03 -0700 (PDT) In-Reply-To: <20160607134442.GA1803@infradead.org> References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> From: Reinoud Koornstra Date: Tue, 7 Jun 2016 17:40:03 -0600 Message-ID: Subject: Re: crash in xfs in current To: Christoph Hellwig X-ASG-Orig-Subj: Re: crash in xfs in current Cc: Daniel Wagner , Eric Sandeen , xfs@oss.sgi.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qg0-f53.google.com[209.85.192.53] X-Barracuda-Start-Time: 1465342804 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2160 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30256 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Hi Christoph, Now my git log show this: commit 555b67e4e729ca544bb4028ab12e532c68b70ddb Merge: 544ad71 ad438c4 Author: Dave Chinner Date: Fri May 20 10:34:00 2016 +1000 Merge branch 'xfs-4.7-inode-reclaim' into for-next commit 544ad71fc8e20fb3a6f50f00d487751492cd8409 Merge: 2a4ad58 e6b3bb7 Author: Dave Chinner Date: Fri May 20 10:33:38 2016 +1000 Merge branch 'xfs-4.7-error-cfg' into for-next commit 2a4ad5894c819978dca5595396d54d51c3aca694 Merge: a7792aa 6e3e6d5 Author: Dave Chinner Date: Fri May 20 10:33:17 2016 +1000 Merge branch 'xfs-4.7-misc-fixes' into for-next commit a7792aad644a259375002db8c9d9e03fd50bf509 Merge: 5b911354 3ab3ffc Author: Dave Chinner Date: Fri May 20 10:32:35 2016 +1000 Is this correct? If so, let me build and test. Building it already as we speak, but it would be nice if you could confirm I'm actually testing the right thing. Though, wouldn't it be good to repro and get a core file as well? Or would the test of this commit narrow down the possibilities as well? Thanks, Reinoud. On Tue, Jun 7, 2016 at 7:44 AM, Christoph Hellwig wrote: > On Tue, Jun 07, 2016 at 12:52:39PM +0200, Daniel Wagner wrote: >> >> I try to reproduce it on 4.6. My steps do not always trigger the crash. >> >> So I can't be really sure if 4.6 doesn't show it, it does not happen. >> > >> > I have never been able to trigger this in 4.6 and it's my failsafe >> > reboot (4.6.0). >> > In 4.7-rc1 it's just a matter of time before I hit it. >> > I do a lot of transactions, using git, extraction of tar.xz etc normally. >> >> This rings a bell. I though the lockperf tests triggered it. Before I >> compiled a new kernel I did a 'git checkout' step. > > Thanks for testing this to both of you. Can you try to build a kernel > from git commit 555b67e4e729ca544bb4028ab12e532c68b70ddb - this is the > XFS pull request that Dave sent to Linux for Linux 4.7-rc, so it has > all the XFS changes relative to 4.6, but none of the others like the VFS > changes. From reinoudkoornstra@gmail.com Tue Jun 7 23:16:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6A0307CA0 for ; Tue, 7 Jun 2016 23:16:08 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3DC8E304051 for ; Tue, 7 Jun 2016 21:16:05 -0700 (PDT) X-ASG-Debug-ID: 1465359362-04cbb03569c033f0001-NocioJ Received: from mail-qt0-f179.google.com (mail-qt0-f179.google.com [209.85.216.179]) by cuda.sgi.com with ESMTP id tXD2WSjCDFU39FQY (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 21:16:03 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qt0-f179.google.com[209.85.216.179] X-Barracuda-Apparent-Source-IP: 209.85.216.179 Received: by mail-qt0-f179.google.com with SMTP id q45so27164054qtq.1 for ; Tue, 07 Jun 2016 21:16:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=S8QSuZqXvVd0ydBkX6gzQ38JRdox2PhI6uBOY0Oz/gc=; b=IsvlU23CQXfrZWCXGzCHYR5hbolU+bABtgOvXiLfqAR1X0T2Y0Jfxgamw+ct+9TXIQ iYjMdoRbOmMgnzvpKUulhiZzKGKtJs/3a92On9w09AoKQ2xyzkFNUAXi8BRN+LET5ZCs 4dtijvCcZzjQuFCMoRn69CwjVc4sCsUX9pDDjnSc4T+sghIgXaOm3DzDO7ZYSE4VlwXH KUgmShxL9baDDAK6rOUD5g29ohDwpD1bt1lhInx+9qKL502RpCp+I3Jf8uhOfKWpS8k3 evJzAE6ZnaO7idGzzN5QRQL1jpds3YVS5kPBXY3iXNXTR2FN9H4IKWRxWNMaKTlUsqSo UvXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=S8QSuZqXvVd0ydBkX6gzQ38JRdox2PhI6uBOY0Oz/gc=; b=m7ei6vVOreRXaERg7pehoIkOMIcE0MiwNztifSwQrOi8OSiV08oLYezCly2WsYdVzI B3E/BYU7hShiSVzCgqaOvinjLaRWlbuXZWV7wUgT41UpfM4afCnwo/jQ0XgN2Cg+OezL q63qc8bs8RklTkbxd8B3IVO6WRelCV33QIuzt01S+pCo0NHe77B4K/aBukzvE0OOczPZ kJx3lc/T1e59L7/I4ylx7v/gQfCHIqCzGNQusSAFZVhpJpKMCUa7kBuKBor37qVwvZkO 0W2ZMk6tqSIY/sl3ev8rrmNGXZnk7G+HqPLlJAZa6i0wA7z11TPvW6KGoT3mUAQhfOlS HiJg== X-Gm-Message-State: ALyK8tJV0srY8hRfdgl5Aonjn/cpUyzer8nu/eC0rT2sinPX54KZv41zbFPPpAz3QKAYq3ADF0z3CQtGDpJfpw== X-Received: by 10.237.56.225 with SMTP id k88mr2628040qte.86.1465359362488; Tue, 07 Jun 2016 21:16:02 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.8.16 with HTTP; Tue, 7 Jun 2016 21:16:01 -0700 (PDT) In-Reply-To: References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> From: Reinoud Koornstra Date: Tue, 7 Jun 2016 22:16:01 -0600 Message-ID: Subject: Re: crash in xfs in current To: Christoph Hellwig X-ASG-Orig-Subj: Re: crash in xfs in current Cc: Daniel Wagner , Eric Sandeen , xfs@oss.sgi.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qt0-f179.google.com[209.85.216.179] X-Barracuda-Start-Time: 1465359363 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2531 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30261 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Jun 7, 2016 at 5:40 PM, Reinoud Koornstra wrote: > Hi Christoph, > > Now my git log show this: > > commit 555b67e4e729ca544bb4028ab12e532c68b70ddb > Merge: 544ad71 ad438c4 > Author: Dave Chinner > Date: Fri May 20 10:34:00 2016 +1000 > > Merge branch 'xfs-4.7-inode-reclaim' into for-next > > commit 544ad71fc8e20fb3a6f50f00d487751492cd8409 > Merge: 2a4ad58 e6b3bb7 > Author: Dave Chinner > Date: Fri May 20 10:33:38 2016 +1000 > > Merge branch 'xfs-4.7-error-cfg' into for-next > > commit 2a4ad5894c819978dca5595396d54d51c3aca694 > Merge: a7792aa 6e3e6d5 > Author: Dave Chinner > Date: Fri May 20 10:33:17 2016 +1000 > > Merge branch 'xfs-4.7-misc-fixes' into for-next > > commit a7792aad644a259375002db8c9d9e03fd50bf509 > Merge: 5b911354 3ab3ffc > Author: Dave Chinner > Date: Fri May 20 10:32:35 2016 +1000 > > Is this correct? > If so, let me build and test. > Building it already as we speak, but it would be nice if you could > confirm I'm actually testing the right thing. > Though, wouldn't it be good to repro and get a core file as well? > Or would the test of this commit narrow down the possibilities as well? > Thanks, > > Reinoud. > Ouch, forgive me for not responding inline previously. For what it's worth, i've compiled the kernel and are running it as we speak. Will do testing and let you know. Thanks, Reinoud. > On Tue, Jun 7, 2016 at 7:44 AM, Christoph Hellwig wrote: >> On Tue, Jun 07, 2016 at 12:52:39PM +0200, Daniel Wagner wrote: >>> >> I try to reproduce it on 4.6. My steps do not always trigger the crash. >>> >> So I can't be really sure if 4.6 doesn't show it, it does not happen. >>> > >>> > I have never been able to trigger this in 4.6 and it's my failsafe >>> > reboot (4.6.0). >>> > In 4.7-rc1 it's just a matter of time before I hit it. >>> > I do a lot of transactions, using git, extraction of tar.xz etc normally. >>> >>> This rings a bell. I though the lockperf tests triggered it. Before I >>> compiled a new kernel I did a 'git checkout' step. >> >> Thanks for testing this to both of you. Can you try to build a kernel >> from git commit 555b67e4e729ca544bb4028ab12e532c68b70ddb - this is the >> XFS pull request that Dave sent to Linux for Linux 4.7-rc, so it has >> all the XFS changes relative to 4.6, but none of the others like the VFS >> changes. From reinoudkoornstra@gmail.com Tue Jun 7 23:40:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 785D57CA0 for ; Tue, 7 Jun 2016 23:40:18 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id D033FAC001 for ; Tue, 7 Jun 2016 21:40:14 -0700 (PDT) X-ASG-Debug-ID: 1465360812-04cb6c2dbabcfcf0001-NocioJ Received: from mail-qk0-f175.google.com (mail-qk0-f175.google.com [209.85.220.175]) by cuda.sgi.com with ESMTP id HpjNssv9T4qbIFlg (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 21:40:12 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qk0-f175.google.com[209.85.220.175] X-Barracuda-Apparent-Source-IP: 209.85.220.175 Received: by mail-qk0-f175.google.com with SMTP id p22so52221163qka.2 for ; 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Tue, 07 Jun 2016 21:40:12 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.8.16 with HTTP; Tue, 7 Jun 2016 21:40:11 -0700 (PDT) In-Reply-To: References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> From: Reinoud Koornstra Date: Tue, 7 Jun 2016 22:40:11 -0600 Message-ID: Subject: Re: crash in xfs in current To: Christoph Hellwig X-ASG-Orig-Subj: Re: crash in xfs in current Cc: Daniel Wagner , Eric Sandeen , xfs@oss.sgi.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qk0-f175.google.com[209.85.220.175] X-Barracuda-Start-Time: 1465360812 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2967 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30262 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Tue, Jun 7, 2016 at 10:16 PM, Reinoud Koornstra wrote: > On Tue, Jun 7, 2016 at 5:40 PM, Reinoud Koornstra > wrote: >> Hi Christoph, >> >> Now my git log show this: >> >> commit 555b67e4e729ca544bb4028ab12e532c68b70ddb >> Merge: 544ad71 ad438c4 >> Author: Dave Chinner >> Date: Fri May 20 10:34:00 2016 +1000 >> >> Merge branch 'xfs-4.7-inode-reclaim' into for-next >> >> commit 544ad71fc8e20fb3a6f50f00d487751492cd8409 >> Merge: 2a4ad58 e6b3bb7 >> Author: Dave Chinner >> Date: Fri May 20 10:33:38 2016 +1000 >> >> Merge branch 'xfs-4.7-error-cfg' into for-next >> >> commit 2a4ad5894c819978dca5595396d54d51c3aca694 >> Merge: a7792aa 6e3e6d5 >> Author: Dave Chinner >> Date: Fri May 20 10:33:17 2016 +1000 >> >> Merge branch 'xfs-4.7-misc-fixes' into for-next >> >> commit a7792aad644a259375002db8c9d9e03fd50bf509 >> Merge: 5b911354 3ab3ffc >> Author: Dave Chinner >> Date: Fri May 20 10:32:35 2016 +1000 >> >> Is this correct? >> If so, let me build and test. >> Building it already as we speak, but it would be nice if you could >> confirm I'm actually testing the right thing. >> Though, wouldn't it be good to repro and get a core file as well? >> Or would the test of this commit narrow down the possibilities as well? >> Thanks, >> >> Reinoud. >> > > Ouch, forgive me for not responding inline previously. > For what it's worth, i've compiled the kernel and are running it as we speak. > Will do testing and let you know. Ok, going back to commit 555b67e4e729ca544bb4028ab12e532c68b70ddb brings the kernel back to 4.6-rc1. With that kernel I crash all over the place, so that's something I cannot run. Is there a way to get the 4.7-rc1 or rc2 without the commits for XFS? Reinoud. > Thanks, > > Reinoud. > >> On Tue, Jun 7, 2016 at 7:44 AM, Christoph Hellwig wrote: >>> On Tue, Jun 07, 2016 at 12:52:39PM +0200, Daniel Wagner wrote: >>>> >> I try to reproduce it on 4.6. My steps do not always trigger the crash. >>>> >> So I can't be really sure if 4.6 doesn't show it, it does not happen. >>>> > >>>> > I have never been able to trigger this in 4.6 and it's my failsafe >>>> > reboot (4.6.0). >>>> > In 4.7-rc1 it's just a matter of time before I hit it. >>>> > I do a lot of transactions, using git, extraction of tar.xz etc normally. >>>> >>>> This rings a bell. I though the lockperf tests triggered it. Before I >>>> compiled a new kernel I did a 'git checkout' step. >>> >>> Thanks for testing this to both of you. Can you try to build a kernel >>> from git commit 555b67e4e729ca544bb4028ab12e532c68b70ddb - this is the >>> XFS pull request that Dave sent to Linux for Linux 4.7-rc, so it has >>> all the XFS changes relative to 4.6, but none of the others like the VFS >>> changes. From BATV+10e0b2ba6b8830823af0+4672+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 8 00:40:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C01827CA0 for ; Wed, 8 Jun 2016 00:40:38 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 80C198F8033 for ; Tue, 7 Jun 2016 22:40:35 -0700 (PDT) X-ASG-Debug-ID: 1465364433-04bdf05ad5be4820001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id p40gQGnXH3hIF997 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 07 Jun 2016 22:40:33 -0700 (PDT) X-Barracuda-Envelope-From: BATV+10e0b2ba6b8830823af0+4672+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bAWEA-0008GH-Hj; Wed, 08 Jun 2016 05:40:30 +0000 Date: Tue, 7 Jun 2016 22:40:30 -0700 From: Christoph Hellwig To: Reinoud Koornstra Cc: Christoph Hellwig , Daniel Wagner , Eric Sandeen , xfs@oss.sgi.com, viro@zeniv.linux.org.uk Subject: Re: crash in xfs in current Message-ID: <20160608054030.GA27069@infradead.org> X-ASG-Orig-Subj: Re: crash in xfs in current References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1465364433 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 996 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30263 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Jun 07, 2016 at 10:40:11PM -0600, Reinoud Koornstra wrote: > >> Is this correct? That's correct! > >> If so, let me build and test. > >> Building it already as we speak, but it would be nice if you could > >> confirm I'm actually testing the right thing. > >> Though, wouldn't it be good to repro and get a core file as well? > >> Or would the test of this commit narrow down the possibilities as well? > >> Thanks, > >> > >> Reinoud. > >> > > > > Ouch, forgive me for not responding inline previously. > > For what it's worth, i've compiled the kernel and are running it as we speak. > > Will do testing and let you know. > > Ok, going back to commit 555b67e4e729ca544bb4028ab12e532c68b70ddb > brings the kernel back to 4.6-rc1. > With that kernel I crash all over the place, so that's something I cannot run. Oh. What kinds of crashes? > Is there a way to get the 4.7-rc1 or rc2 without the commits for XFS? I can't think of a good way unfortunately. From BATV+10e0b2ba6b8830823af0+4672+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 8 02:03:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7FE097CA0 for ; Wed, 8 Jun 2016 02:03:48 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 51C9A8F804C for ; Wed, 8 Jun 2016 00:03:45 -0700 (PDT) X-ASG-Debug-ID: 1465369422-04cb6c2dbbbd4500001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id pL8q814AKTByEv1J (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 08 Jun 2016 00:03:43 -0700 (PDT) X-Barracuda-Envelope-From: BATV+10e0b2ba6b8830823af0+4672+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bAXWd-0005Nm-Di; Wed, 08 Jun 2016 07:03:39 +0000 Date: Wed, 8 Jun 2016 00:03:39 -0700 From: Christoph Hellwig To: Gwendal Grignou Cc: hch@infradead.org, vapier@gentoo.org, tytso@mit.edu, fstests@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] Allow compiling xfsprogs in a cross compile environment. Message-ID: <20160608070339.GB18458@infradead.org> X-ASG-Orig-Subj: Re: [PATCH] Allow compiling xfsprogs in a cross compile environment. References: <1465000276-16554-1-git-send-email-gwendal@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1465000276-16554-1-git-send-email-gwendal@chromium.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1465369423 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 60 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30265 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Looks fine, Reviewed-by: Christoph Hellwig From BATV+10e0b2ba6b8830823af0+4672+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 8 02:05:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A6C5E7CA0 for ; Wed, 8 Jun 2016 02:05:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 62FE0304039 for ; Wed, 8 Jun 2016 00:05:01 -0700 (PDT) X-ASG-Debug-ID: 1465369499-04bdf05ad5be86e0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id dtMTzfrtz4DjLSaz (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 08 Jun 2016 00:04:59 -0700 (PDT) X-Barracuda-Envelope-From: BATV+10e0b2ba6b8830823af0+4672+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bAXXv-0005TG-Dg; Wed, 08 Jun 2016 07:04:59 +0000 Date: Wed, 8 Jun 2016 00:04:59 -0700 From: Christoph Hellwig To: xfs@oss.sgi.com, cmaiolino@redhat.com Subject: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Message-ID: <20160608070459.GC18458@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time References: <1464877150-20457-1-git-send-email-hch@lst.de> <1464877150-20457-4-git-send-email-hch@lst.de> <20160606112342.GB23695@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160606112342.GB23695@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1465369499 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 180 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA606_RN_OB, BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30265 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 2.00 BSF_SC0_SA606_RN_OB Custom Outbreak Rule SA606_RN_OB Yes, the comment is wrong. Any reason you didn't include me in the reply? Also it seems your reply-to also magically drops you from the reply. Are you using a new mailer? :) From hch@lst.de Wed Jun 8 02:10:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C2DD37CA0 for ; Wed, 8 Jun 2016 02:10:10 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 67D728F8033 for ; Wed, 8 Jun 2016 00:10:10 -0700 (PDT) X-ASG-Debug-ID: 1465369804-04bdf05ad4be8ad0001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id LSjjIjUspQRz5sDG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 08 Jun 2016 00:10:06 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id EDDAF68D3A; Wed, 8 Jun 2016 09:10:03 +0200 (CEST) Date: Wed, 8 Jun 2016 09:10:03 +0200 From: Christoph Hellwig To: "Darrick J. Wong" Cc: Dave Chinner , Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [RFC] allow enabling reflinks at runtime Message-ID: <20160608071003.GA24663@lst.de> X-ASG-Orig-Subj: Re: [RFC] allow enabling reflinks at runtime References: <1464877150-20457-1-git-send-email-hch@lst.de> <20160602225415.GP12670@dastard> <20160603015832.GA5758@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160603015832.GA5758@birch.djwong.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1465369806 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2234 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30265 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 02, 2016 at 06:58:33PM -0700, Darrick J. Wong wrote: > On Fri, Jun 03, 2016 at 08:54:15AM +1000, Dave Chinner wrote: > > On Thu, Jun 02, 2016 at 04:19:07PM +0200, Christoph Hellwig wrote: > > > I've had some vocal user requests to allow enabling reflinks at run time, > > > which happens to be a mostly trivial feature. The only caveat is that we > > > need a large enough log size to support the reflink requirements, but for > > > typical large file systems that's not an issue. > > > > Hmmm - how does this interact with all the rmap code? I was not > > planning on enabling reflink without rmap and vice versa simply > > because it makes the validation and testing matrix vastly more > > complex. Indeed, having reflink turned on after a filesystem has > > aged for some time (i.e. from unknown initial conditions) makes > > validation especially tricky.... > > Well... > > It's not strictly impossible, but there will be some problems running > repair and remounting. > > The patchset doesn't actually check that we satisfy the minimum log > space requirement, which will result in xfs refusing to mount. As > Christoph says, this is only an issue on small FSes, but nevertheless, > we shouldn't trap the user like that. xfs_log_mount always verified the required log size. > Second, mkfs lays out all the AG btree roots at the start of the AG > before finding an aligned inode block for the root inode. xfs_repair > feeds the same algorithm from the on-disk feature fields to check that > s_rootino is sane, and gets very unhappy if it doesn't find the root > inode at the computed location. Adding the two btree root blocks is > enough to shift the root inode from 96 to 128. This all can be fixed, > but it /was/ convenient not to have to support weirdo upgraded XFSes > like ext4. :) Yes, that algorithm might be unhappy, but I don't think it's overly smart to rely on it either. > Furthermore, if you turn on reflink, you should enable the per-AG > reservations so we don't crash the FS by running out of space when it > needs a block for the refcountbt. xfs_refcountbt_calc_reserves is switched to use xfs_mp_hasreflink, so it will do the right thing. From hch@lst.de Wed Jun 8 02:11:37 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1FB3D7CA0 for ; Wed, 8 Jun 2016 02:11:37 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8B115AC001 for ; Wed, 8 Jun 2016 00:11:33 -0700 (PDT) X-ASG-Debug-ID: 1465369890-04cb6c2dbcbd4a20001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id r6WKqZjgar15zAPH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 08 Jun 2016 00:11:31 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id 440FE68D3A; Wed, 8 Jun 2016 09:11:30 +0200 (CEST) Date: Wed, 8 Jun 2016 09:11:30 +0200 From: Christoph Hellwig To: Dave Chinner Cc: darrick.wong@oracle.com, xfs@oss.sgi.com Subject: Re: [RFC] allow enabling reflinks at runtime Message-ID: <20160608071130.GB24663@lst.de> X-ASG-Orig-Subj: Re: [RFC] allow enabling reflinks at runtime References: <1464877150-20457-1-git-send-email-hch@lst.de> <20160602225415.GP12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160602225415.GP12670@dastard> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1465369891 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 891 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30265 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 03, 2016 at 08:54:15AM +1000, Dave Chinner wrote: > On Thu, Jun 02, 2016 at 04:19:07PM +0200, Christoph Hellwig wrote: > > I've had some vocal user requests to allow enabling reflinks at run time, > > which happens to be a mostly trivial feature. The only caveat is that we > > need a large enough log size to support the reflink requirements, but for > > typical large file systems that's not an issue. > > Hmmm - how does this interact with all the rmap code? I was not > planning on enabling reflink without rmap and vice versa simply > because it makes the validation and testing matrix vastly more > complex. Uh. So far I've only been testing pure reflink code, mostly because rmap really doesn't buy much for the use case I'm working on. Enabling rmap post-mkfs is defintively a different ballpark, and probably not worth it even if it would be doable. From cmaiolino@redhat.com Wed Jun 8 03:07:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C89167CA0 for ; Wed, 8 Jun 2016 03:07:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8A047304051 for ; Wed, 8 Jun 2016 01:07:08 -0700 (PDT) X-ASG-Debug-ID: 1465373227-04cbb03568c0ef00001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id tM4A2buqJoW3rZRE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 08 Jun 2016 01:07:07 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 13D3CC0003FE for ; Wed, 8 Jun 2016 08:07:07 +0000 (UTC) Received: from redhat.com (vpn-48-2.rdu2.redhat.com [10.10.48.2]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u58873vt013585 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 8 Jun 2016 04:07:06 -0400 Date: Wed, 8 Jun 2016 10:07:03 +0200 From: Carlos Maiolino To: xfs@oss.sgi.com Subject: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Message-ID: <20160608080703.GA8987@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Mail-Followup-To: xfs@oss.sgi.com References: <1464877150-20457-1-git-send-email-hch@lst.de> <1464877150-20457-4-git-send-email-hch@lst.de> <20160606112342.GB23695@redhat.com> <20160608070459.GC18458@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160608070459.GC18458@infradead.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Wed, 08 Jun 2016 08:07:07 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465373227 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 448 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Jun 08, 2016 at 12:04:59AM -0700, Christoph Hellwig wrote: > Yes, the comment is wrong. Any reason you didn't include me in the > reply? Also it seems your reply-to also magically drops you > from the reply. Are you using a new mailer? :) No, no reason, I missed to CC you. Maybe my CTRL-L list-reply in mutt screwed up with the destination fields, I should come back to group replies, thanks for the heads up :) -- Carlos From cmaiolino@redhat.com Wed Jun 8 03:10:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7CB0C7CA1 for ; Wed, 8 Jun 2016 03:10:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3CF4B304066 for ; Wed, 8 Jun 2016 01:10:13 -0700 (PDT) X-ASG-Debug-ID: 1465373412-04bdf05ad4bebdf0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id btRpMpSLAqlxfTEk (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 08 Jun 2016 01:10:12 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EA96580B56; Wed, 8 Jun 2016 08:10:11 +0000 (UTC) Received: from redhat.com (vpn-48-2.rdu2.redhat.com [10.10.48.2]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u588A7C2024415 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 8 Jun 2016 04:10:10 -0400 Date: Wed, 8 Jun 2016 10:10:07 +0200 From: Carlos Maiolino To: xfs@oss.sgi.com Cc: hch@infradead.org Subject: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Message-ID: <20160608081007.GB8987@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Mail-Followup-To: xfs@oss.sgi.com, hch@infradead.org References: <1464877150-20457-1-git-send-email-hch@lst.de> <1464877150-20457-4-git-send-email-hch@lst.de> <20160606112342.GB23695@redhat.com> <20160608070459.GC18458@infradead.org> <20160608080703.GA8987@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160608080703.GA8987@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Wed, 08 Jun 2016 08:10:11 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465373412 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 746 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Jun 08, 2016 at 10:07:03AM +0200, Carlos Maiolino wrote: > On Wed, Jun 08, 2016 at 12:04:59AM -0700, Christoph Hellwig wrote: > > Yes, the comment is wrong. Any reason you didn't include me in the > > reply? Also it seems your reply-to also magically drops you > > from the reply. Are you using a new mailer? :) > > No, no reason, I missed to CC you. Maybe my CTRL-L list-reply in mutt screwed up > with the destination fields, I should come back to group replies, thanks for the > heads up :) Oh crap, I did it again, ok, no more list-reply for me > > -- > Carlos > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From kenn.anthoony@ms32.hinet.net Wed Jun 8 03:28:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.0 required=5.0 tests=FREEMAIL_FROM,FREEMAIL_REPLYTO, HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 25E917CA1 for ; Wed, 8 Jun 2016 03:28:35 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id E8EC08F8049 for ; Wed, 8 Jun 2016 01:28:31 -0700 (PDT) X-ASG-Debug-ID: 1465374505-04cbb03569c0f6b0001-NocioJ Received: from mserver.oleaginosa.com (mserver.oleaginosa.com [200.85.50.26]) by cuda.sgi.com with ESMTP id vwWMNCklgkdToeo5; Wed, 08 Jun 2016 01:28:25 -0700 (PDT) X-Barracuda-Envelope-From: kenn.anthoony@ms32.hinet.net X-Barracuda-Effective-Source-IP: mserver.oleaginosa.com[200.85.50.26] X-Barracuda-Apparent-Source-IP: 200.85.50.26 Received: from localhost (localhost.localdomain [127.0.0.1]) by mserver.oleaginosa.com (Postfix) with ESMTP id 64072A299BB; Tue, 7 Jun 2016 21:23:36 -0400 (PYT) X-Virus-Scanned: amavisd-new at oleaginosa.com Received: from mserver.oleaginosa.com ([127.0.0.1]) by localhost (mx1.orsa.local [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fimd6YahDH_n; Tue, 7 Jun 2016 21:23:36 -0400 (PYT) Received: from localhost (localhost.localdomain [127.0.0.1]) by mserver.oleaginosa.com (Postfix) with ESMTP id 0401FA29988; Tue, 7 Jun 2016 21:23:36 -0400 (PYT) X-Virus-Scanned: amavisd-new at oleaginosa.com Received: from mserver.oleaginosa.com ([127.0.0.1]) by localhost (mx1.orsa.local [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id esnq5-5lb0Ff; Tue, 7 Jun 2016 21:23:35 -0400 (PYT) Received: from [5.196.36.215] (unknown [5.196.36.215]) by mserver.oleaginosa.com (Postfix) with ESMTPSA id 9E9E1A28BC9; Tue, 7 Jun 2016 21:23:22 -0400 (PYT) Content-Type: multipart/alternative; boundary="===============0815524503==" MIME-Version: 1.0 Subject: work from home To: Recipients X-ASG-Orig-Subj: work from home From: "Kenn Anthony" Date: Tue, 07 Jun 2016 18:27:24 -0700 Reply-To: kenn.anthony@hotmail.com Message-Id: <20160608012322.9E9E1A28BC9@mserver.oleaginosa.com> X-Barracuda-Connect: mserver.oleaginosa.com[200.85.50.26] X-Barracuda-Start-Time: 1465374505 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 52 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.50 X-Barracuda-Spam-Status: No, SCORE=0.50 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA_TO_FROM_ADDR_MATCH, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30266 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message 0.50 BSF_SC0_SA_TO_FROM_ADDR_MATCH Sender Address Matches Recipient Address You will not see this in a MIME-aware mail reader. --===============0815524503== Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Description: Mail message body My name is Mr Kenn Anthony,I work for Koffi Trade Sarl. 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Mr Kenn Anthony
Email: kenn.anthony@hotmail.com
--===============0815524503==-- From ntamplin@codefaber.co.uk Wed Jun 8 06:16:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EEBA07CA0 for ; Wed, 8 Jun 2016 06:16:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id BC9058F8033 for ; Wed, 8 Jun 2016 04:16:41 -0700 (PDT) X-ASG-Debug-ID: 1465384598-04cb6c2dbcbde870001-NocioJ Received: from mk-outboundfilter-4.mail.uk.tiscali.com (mk-outboundfilter-4.mail.uk.tiscali.com [212.74.114.32]) by cuda.sgi.com with ESMTP id JBi0ae3FmQNipATi for ; Wed, 08 Jun 2016 04:16:39 -0700 (PDT) X-Barracuda-Envelope-From: ntamplin@codefaber.co.uk X-Barracuda-Effective-Source-IP: mk-outboundfilter-4.mail.uk.tiscali.com[212.74.114.32] X-Barracuda-Apparent-Source-IP: 212.74.114.32 X-Trace: 329262592/mk-outboundfilter-2.mail.uk.tiscali.com/F2S/$THROTTLED_STATIC/TalkTalk_Customers/92.27.244.57/-4.6/ntamplin@codefaber.co.uk X-SBRS: -4.6 X-RemoteIP: 92.27.244.57 X-IP-MAIL-FROM: ntamplin@codefaber.co.uk X-SMTP-AUTH: X-MUA: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.8.0 X-IP-BHB: Once X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0AgBgDU/VdXNjn0G1xdwhOGE4IKAQEBAQEBBwEBAQEiYIRvFR4iNgIFFgsCCwMCAQIBJwonCAKIL5t6j2KRW4EBhSaId0KCVYJZBZhPi2qEPIc2DoVbj2GCCoEDgTY7ikEBAQE X-IPAS-Result: A0AgBgDU/VdXNjn0G1xdwhOGE4IKAQEBAQEBBwEBAQEiYIRvFR4iNgIFFgsCCwMCAQIBJwonCAKIL5t6j2KRW4EBhSaId0KCVYJZBZhPi2qEPIc2DoVbj2GCCoEDgTY7ikEBAQE X-IronPort-AV: E=Sophos;i="5.26,438,1459810800"; d="scan'208";a="329262592" X-IP-Direction: IN Received: from host-92-27-244-57.static.as13285.net (HELO mail.codefaber.co.uk) ([92.27.244.57]) by smtp.f2s.tiscali.co.uk with ESMTP; 08 Jun 2016 12:16:37 +0100 Received: from [192.168.10.10] by host-92-27-244-57.static.as13285.net with esmtpsa (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1bAbT5-000813-SN for xfs@oss.sgi.com; Wed, 08 Jun 2016 12:16:16 +0100 To: xfs@oss.sgi.com From: Nigel Tamplin Subject: invalid inode numbers ? after drive moved from Linux 2.6.32 to Linux 3.16.0 then back again Message-ID: <5757FE7A.8020504@codefaber.co.uk> X-ASG-Orig-Subj: invalid inode numbers ? after drive moved from Linux 2.6.32 to Linux 3.16.0 then back again Date: Wed, 8 Jun 2016 12:16:10 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mk-outboundfilter-4.mail.uk.tiscali.com[212.74.114.32] X-Barracuda-Start-Time: 1465384598 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3523 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30269 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hello, I have a drive with a partition containing an XFS file system. This drive normally resides in a Linux 2.6.32 (Debian 6) server, which is also where the file system was created many months ago. Last week I removed this drive from it's usual 2.6.32 server and for a few hours it was attached to an alternative Linux 3.16.0 (Debian 8) server, where the XFS file system was mounted and during this time I created /modified / deleted some files. Later the drive was moved back to the normal Linux 2.6.32. I've noticed something strange has happened. Some (maybe all) of the files worked on whilst the drive was in the Linux 3.16.0 are not accessible when the file system is mounted on the Linux 2.6.32. If I put the drive back in the 3.16.0 server, all files are again accessible. The few files which are inaccessible on 2.6.32 seem to have no inodes when viewed under 2.6.32 but look ok when the drive is in 3.16.0 "ls -li" on 3.16.0 7249604387 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 01 104207 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 02 101524 drwxrwxr-x 2 nigel users 62 Jun 2 16:39 03 2220005080 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 06 5637828101 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 07 1344499710 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 09 2958135019 drwxrwxr-x 2 nigel users 62 Jun 2 16:39 0b 7516254020 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 0c 5905580833 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 0f 3494120096 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 10 1988369908 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 12 2446706848 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 13 2446706832 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 14 5905580836 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 16 807056393 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 17 2688006922 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 18 "ls -li" on 2.6.32 ? ?????????? ? ? ? ? ? 01 104207 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 02 101524 drwxrwxr-x 2 nigel users 62 Jun 2 16:39 03 2220005080 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 06 ? ?????????? ? ? ? ? ? 07 1344499710 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 09 2958135019 drwxrwxr-x 2 nigel users 62 Jun 2 16:39 0b ? ?????????? ? ? ? ? ? 0c ? ?????????? ? ? ? ? ? 0f 3494120096 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 10 1988369908 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 12 2446706848 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 13 2446706832 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 14 ? ?????????? ? ? ? ? ? 16 807056393 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 17 2688006922 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 18 I notice that the files created on 3.16.0 which cannot be accessed on 2.6.32, seem to have much higher inode numbers than those which can be accessed on both systems. Could the numbers chosen by 3.16.0 be overflowing on 2.6.32 ? I experimented on another almost empty file system, and this seems fine in both systems, but this has very low inode numbers, hence my inode number idea. I can attach the drive to either system and run diagnostic commands if more information is required. Regards, Nigel From cmaiolino@redhat.com Wed Jun 8 06:49:14 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 553D77CA0 for ; Wed, 8 Jun 2016 06:49:14 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id D4B09AC004 for ; Wed, 8 Jun 2016 04:49:13 -0700 (PDT) X-ASG-Debug-ID: 1465386552-04bdf05ad5bf4370001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 4b7sKzMjp9BfkGbs (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 08 Jun 2016 04:49:13 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8B06D85367; Wed, 8 Jun 2016 11:49:12 +0000 (UTC) Received: from redhat.com (vpn-48-2.rdu2.redhat.com [10.10.48.2]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u58Bn8pd003945 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 8 Jun 2016 07:49:11 -0400 Date: Wed, 8 Jun 2016 13:49:07 +0200 From: Carlos Maiolino To: Nigel Tamplin Cc: xfs@oss.sgi.com Subject: Re: invalid inode numbers ? after drive moved from Linux 2.6.32 to Linux 3.16.0 then back again Message-ID: <20160608114907.GC8987@redhat.com> X-ASG-Orig-Subj: Re: invalid inode numbers ? after drive moved from Linux 2.6.32 to Linux 3.16.0 then back again Mail-Followup-To: Nigel Tamplin , xfs@oss.sgi.com References: <5757FE7A.8020504@codefaber.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5757FE7A.8020504@codefaber.co.uk> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 08 Jun 2016 11:49:12 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465386553 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4327 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Jun 08, 2016 at 12:16:10PM +0100, Nigel Tamplin wrote: > Hello, > > I have a drive with a partition containing an XFS file system. > This drive normally resides in a Linux 2.6.32 (Debian 6) server, which is > also where the file system was created many months ago. > Last week I removed this drive from it's usual 2.6.32 server and for a few > hours it was attached to an alternative Linux 3.16.0 (Debian 8) server, > where the XFS file system was mounted and during this time I created > /modified / deleted some files. > Later the drive was moved back to the normal Linux 2.6.32. > Linux 3.16 has inode64 mount option enabled by default, which will cause inodes to be spread along the whole disk, causing some inodes (those allocated on disk blocks beyond 1TB offset) to have 64bit numbers. 2.6.32 doesn't use inode64 option by default, and so, files with inodes > 2^32 will not be accessible by the kernel 2.6.32, but, you can use `mount -o inode64` mount option in the old system and then be able to access these inodes again. > I've noticed something strange has happened. > Some (maybe all) of the files worked on whilst the drive was in the Linux > 3.16.0 are not accessible when the file system is mounted on the Linux > 2.6.32. > > If I put the drive back in the 3.16.0 server, all files are again > accessible. > > The few files which are inaccessible on 2.6.32 seem to have no inodes when > viewed under 2.6.32 but look ok when the drive is in 3.16.0 > > > "ls -li" on 3.16.0 > > 7249604387 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 01 > 104207 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 02 > 101524 drwxrwxr-x 2 nigel users 62 Jun 2 16:39 03 > 2220005080 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 06 > 5637828101 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 07 > 1344499710 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 09 > 2958135019 drwxrwxr-x 2 nigel users 62 Jun 2 16:39 0b > 7516254020 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 0c > 5905580833 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 0f > 3494120096 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 10 > 1988369908 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 12 > 2446706848 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 13 > 2446706832 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 14 > 5905580836 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 16 > 807056393 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 17 > 2688006922 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 18 > > > "ls -li" on 2.6.32 > > ? ?????????? ? ? ? ? ? 01 > 104207 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 02 > 101524 drwxrwxr-x 2 nigel users 62 Jun 2 16:39 03 > 2220005080 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 06 > ? ?????????? ? ? ? ? ? 07 > 1344499710 drwxrwxr-x 2 nigel users 118 Jun 2 16:40 09 > 2958135019 drwxrwxr-x 2 nigel users 62 Jun 2 16:39 0b > ? ?????????? ? ? ? ? ? 0c > ? ?????????? ? ? ? ? ? 0f > 3494120096 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 10 > 1988369908 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 12 > 2446706848 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 13 > 2446706832 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 14 > ? ?????????? ? ? ? ? ? 16 > 807056393 drwxrwxr-x 2 nigel users 4096 Jun 2 16:40 17 > 2688006922 drwxrwxr-x 2 nigel users 62 Jun 2 16:40 18 > > > I notice that the files created on 3.16.0 which cannot be accessed on > 2.6.32, seem to have much higher inode numbers than those which can be > accessed on both systems. Could the numbers chosen by 3.16.0 be overflowing > on 2.6.32 ? I experimented on another almost empty file system, and this > seems fine in both systems, but this has very low inode numbers, hence my > inode number idea. > > I can attach the drive to either system and run diagnostic commands if more > information is required. > > Regards, > Nigel > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From eflorac@intellique.com Wed Jun 8 06:53:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8BD547CA0 for ; Wed, 8 Jun 2016 06:53:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5FA7D304053 for ; Wed, 8 Jun 2016 04:53:37 -0700 (PDT) X-ASG-Debug-ID: 1465386813-04cb6c2db9bdf600001-NocioJ Received: from mail1.g1.pair.com (mail1.g1.pair.com [66.39.3.162]) by cuda.sgi.com with ESMTP id nJJfHQoyOdRUj47F (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 08 Jun 2016 04:53:34 -0700 (PDT) X-Barracuda-Envelope-From: eflorac@intellique.com X-Barracuda-Effective-Source-IP: mail1.g1.pair.com[66.39.3.162] X-Barracuda-Apparent-Source-IP: 66.39.3.162 Received: from localhost (localhost [127.0.0.1]) by mail1.g1.pair.com (Postfix) with SMTP id 94D9D5479FF; Wed, 8 Jun 2016 07:53:33 -0400 (EDT) Received: from harpe.intellique.com (labo.djinux.com [82.225.196.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail1.g1.pair.com (Postfix) with ESMTPSA id 08C4D547984; Wed, 8 Jun 2016 07:53:32 -0400 (EDT) Date: Wed, 8 Jun 2016 13:53:35 +0200 From: Emmanuel Florac To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: determining superblock version? Message-ID: <20160608135335.24cde291@harpe.intellique.com> X-ASG-Orig-Subj: Re: determining superblock version? In-Reply-To: References: <20160607125127.6dd23aef@harpe.intellique.com> Organization: Intellique X-Mailer: Claws Mail 3.13.1 (GTK+ 2.24.30; i486-slackware-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Barracuda-Connect: mail1.g1.pair.com[66.39.3.162] X-Barracuda-Start-Time: 1465386814 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 838 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30270 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Le Tue, 7 Jun 2016 12:12:21 -0500 Eric Sandeen =C3=A9crivait: > > mkfs.xfs -m crc=3D0,finobt=3D0 /dev/this =20 >=20 > finobt=3D0 should not be needed, it should be off if crc=3D0 AFAIK. Yes, that is in the manpage :) =20 > However, -n ftype=3D1 may still be enabled, and older kernels may have > an issue with that as well. >=20 I'll give it a try. > Feel free to add this to the wiki (can new accounts still be created?) I don't know, who's in charge? I'm pretty sure I haven't got one. --=20 ------------------------------------------------------------------------ Emmanuel Florac | Direction technique | Intellique | | +33 1 78 94 84 02 ------------------------------------------------------------------------ From wagi@monom.org Wed Jun 8 07:08:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C198D7CA0 for ; Wed, 8 Jun 2016 07:08:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9474F304039 for ; Wed, 8 Jun 2016 05:08:10 -0700 (PDT) X-ASG-Debug-ID: 1465387686-04cb6c2dbabdfb10001-NocioJ Received: from hotel311.server4you.de (hotel311.server4you.de [85.25.146.15]) by cuda.sgi.com with ESMTP id j17aLgZxpjARa1dS (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 08 Jun 2016 05:08:07 -0700 (PDT) X-Barracuda-Envelope-From: wagi@monom.org X-Barracuda-Effective-Source-IP: hotel311.server4you.de[85.25.146.15] X-Barracuda-Apparent-Source-IP: 85.25.146.15 Received: from hotel311.server4you.de (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id BA16919404B8; Wed, 8 Jun 2016 14:08:05 +0200 (CEST) Received: from handman.bmw-carit.intra (unknown [212.118.206.70]) by hotel311.server4you.de (Postfix) with ESMTPSA id 815D8194043D; Wed, 8 Jun 2016 14:08:05 +0200 (CEST) Subject: Re: crash in xfs in current To: Christoph Hellwig X-ASG-Orig-Subj: Re: crash in xfs in current References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> Cc: Reinoud Koornstra , Eric Sandeen , xfs@oss.sgi.com, viro@zeniv.linux.org.uk From: Daniel Wagner Message-ID: <75539b07-d05c-1516-26c1-2c4e2d42de1f@monom.org> Date: Wed, 8 Jun 2016 14:08:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: <20160607134442.GA1803@infradead.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: hotel311.server4you.de[85.25.146.15] X-Barracuda-Start-Time: 1465387687 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 390 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30270 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header > Thanks for testing this to both of you. Can you try to build a kernel > from git commit 555b67e4e729ca544bb4028ab12e532c68b70ddb - this is the > XFS pull request that Dave sent to Linux for Linux 4.7-rc, so it has > all the XFS changes relative to 4.6, but none of the others like the VFS > changes. For some reason, I can't reproduce it with 4.7-rc1 right now. still trying... From ntamplin@codefaber.co.uk Wed Jun 8 07:32:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 468917CA0 for ; Wed, 8 Jun 2016 07:32:10 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C7963AC004 for ; Wed, 8 Jun 2016 05:32:06 -0700 (PDT) X-ASG-Debug-ID: 1465389122-04bdf05ad6bf55f0001-NocioJ Received: from mk-outboundfilter-5-a-2.mail.uk.tiscali.com (mk-outboundfilter-5-a-2.mail.uk.tiscali.com [212.74.114.4]) by cuda.sgi.com with ESMTP id 4SR4JMt0QzGzOtGe for ; Wed, 08 Jun 2016 05:32:03 -0700 (PDT) X-Barracuda-Envelope-From: ntamplin@codefaber.co.uk X-Barracuda-Effective-Source-IP: mk-outboundfilter-5-a-2.mail.uk.tiscali.com[212.74.114.4] X-Barracuda-Apparent-Source-IP: 212.74.114.4 X-Trace: 340640625/mk-outboundfilter-5.mail.uk.tiscali.com/F2S/$THROTTLED_STATIC/TalkTalk_Customers/92.27.244.57/-4.6/ntamplin@codefaber.co.uk X-SBRS: -4.6 X-RemoteIP: 92.27.244.57 X-IP-MAIL-FROM: ntamplin@codefaber.co.uk X-SMTP-AUTH: X-MUA: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.8.0 X-IP-BHB: Once X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0BiCABfD1hXNjn0G1xdwhOGEwKCCwEBAQEBAQcBAQEBImBBEgGDcgEBBDgeIgEQCw4KCRYPCQMCAQIBJwoUBg0IAogvvR0BAQEBAQUCASSGJ4RNhCqFcAEEmE+XXA6FW49hgw2BNjuHK4MWAQEB X-IPAS-Result: A0BiCABfD1hXNjn0G1xdwhOGEwKCCwEBAQEBAQcBAQEBImBBEgGDcgEBBDgeIgEQCw4KCRYPCQMCAQIBJwoUBg0IAogvvR0BAQEBAQUCASSGJ4RNhCqFcAEEmE+XXA6FW49hgw2BNjuHK4MWAQEB X-IronPort-AV: E=Sophos;i="5.26,439,1459810800"; d="scan'208";a="340640625" X-IP-Direction: IN Received: from host-92-27-244-57.static.as13285.net (HELO mail.codefaber.co.uk) ([92.27.244.57]) by smtp.f2s.tiscali.co.uk with ESMTP; 08 Jun 2016 13:32:01 +0100 Received: from [192.168.10.10] by host-92-27-244-57.static.as13285.net with esmtpsa (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1bAceN-0008F4-PR; Wed, 08 Jun 2016 13:31:59 +0100 Subject: Re: invalid inode numbers ? after drive moved from Linux 2.6.32 to Linux 3.16.0 then back again To: Carlos Maiolino X-ASG-Orig-Subj: Re: invalid inode numbers ? after drive moved from Linux 2.6.32 to Linux 3.16.0 then back again References: <5757FE7A.8020504@codefaber.co.uk> <20160608114907.GC8987@redhat.com> Cc: xfs@oss.sgi.com From: Nigel Tamplin Message-ID: <5758103A.9090103@codefaber.co.uk> Date: Wed, 8 Jun 2016 13:31:54 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.8.0 MIME-Version: 1.0 In-Reply-To: <20160608114907.GC8987@redhat.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mk-outboundfilter-5-a-2.mail.uk.tiscali.com[212.74.114.4] X-Barracuda-Start-Time: 1465389123 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1369 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30270 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 08/06/16 12:49, Carlos Maiolino wrote: > On Wed, Jun 08, 2016 at 12:16:10PM +0100, Nigel Tamplin wrote: >> Hello, >> >> I have a drive with a partition containing an XFS file system. >> This drive normally resides in a Linux 2.6.32 (Debian 6) server, which is >> also where the file system was created many months ago. >> Last week I removed this drive from it's usual 2.6.32 server and for a few >> hours it was attached to an alternative Linux 3.16.0 (Debian 8) server, >> where the XFS file system was mounted and during this time I created >> /modified / deleted some files. >> Later the drive was moved back to the normal Linux 2.6.32. >> > > Linux 3.16 has inode64 mount option enabled by default, which will cause inodes > to be spread along the whole disk, causing some inodes (those allocated on disk > blocks beyond 1TB offset) to have 64bit numbers. > > 2.6.32 doesn't use inode64 option by default, and so, files with inodes > 2^32 > will not be accessible by the kernel 2.6.32, but, you can use `mount -o inode64` > mount option in the old system and then be able to access these inodes again. > Excellent explanation Carlos. This exactly explains what had happened, the partition being moved between systems is 2TB in size. As you suggested, remounting on the older systems with option inode64 resolved it. Thank you. From eflorac@intellique.com Wed Jun 8 07:37:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2AA477CA1 for ; Wed, 8 Jun 2016 07:37:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id E37698F8037 for ; Wed, 8 Jun 2016 05:37:04 -0700 (PDT) X-ASG-Debug-ID: 1465389422-04cb6c2dbbbe0900001-NocioJ Received: from mail1.g1.pair.com (mail1.g1.pair.com [66.39.3.162]) by cuda.sgi.com with ESMTP id u99Ne8XiuAkWBDkc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 08 Jun 2016 05:37:03 -0700 (PDT) X-Barracuda-Envelope-From: eflorac@intellique.com X-Barracuda-Effective-Source-IP: mail1.g1.pair.com[66.39.3.162] X-Barracuda-Apparent-Source-IP: 66.39.3.162 Received: from localhost (localhost [127.0.0.1]) by mail1.g1.pair.com (Postfix) with SMTP id CC175547AC6; Wed, 8 Jun 2016 08:37:02 -0400 (EDT) Received: from harpe.intellique.com (labo.djinux.com [82.225.196.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail1.g1.pair.com (Postfix) with ESMTPSA id 3E717547F4A; Wed, 8 Jun 2016 08:37:02 -0400 (EDT) Date: Wed, 8 Jun 2016 14:37:05 +0200 From: Emmanuel Florac To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: determining superblock version? Message-ID: <20160608143705.2345d2dc@harpe.intellique.com> X-ASG-Orig-Subj: Re: determining superblock version? In-Reply-To: References: <20160607125127.6dd23aef@harpe.intellique.com> Organization: Intellique X-Mailer: Claws Mail 3.13.1 (GTK+ 2.24.30; i486-slackware-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Barracuda-Connect: mail1.g1.pair.com[66.39.3.162] X-Barracuda-Start-Time: 1465389423 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 813 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30270 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Le Tue, 7 Jun 2016 12:12:21 -0500 Eric Sandeen =C3=A9crivait: > However, -n ftype=3D1 may still be enabled, and older kernels may have > an issue with that as well. >=20 Indeed, I've made some tests: mkfs.xfs -f -m crc=3D0, -n ftype=3D1 testxfs=20 3.14 kernel: success 3.13 (ubuntu 14.04): success 3.12 : success 3.10 and lower: failure mkfs.xfs -f -m crc=3D0 -n ftype=3D0 testxfs 3.2 (ubuntu 12.04, Debian oldstable): success 2.6.32 : failure --=20 ------------------------------------------------------------------------ Emmanuel Florac | Direction technique | Intellique | | +33 1 78 94 84 02 ------------------------------------------------------------------------ From mikhail.v.gavrilov@gmail.com Wed Jun 8 12:18:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 20CBB7CA0 for ; 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boundary=047d7bb03d8a4fd0940534c77efb X-Barracuda-Connect: mail-wm0-f50.google.com[74.125.82.50] X-Barracuda-Start-Time: 1465406307 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 224 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30275 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature --047d7bb03d8a4fd0940534c77efb Content-Type: text/plain; charset=UTF-8 Hi guys Nothing terrible happens just like a message in the dmesg log. This is false triggering, or have to worry about it? If you need more additional information, please ask. -- Best Regards, Mike Gavrilov. --047d7bb03d8a4fd0940534c77efb Content-Type: application/x-gzip; name="dmesg.txt.tar.gz" Content-Disposition: attachment; filename="dmesg.txt.tar.gz" Content-Transfer-Encoding: base64 X-Attachment-Id: f_ip74zjww0 H4sIAFVSWFcAA9S9a3vbOLYmOl9nfgVm94dydlkOAd5AzXif9i2JO3bitpyq6s7J8UORlK2OJKp0 cez69Wct8IYLKZFm9TznuLtiGSLehYXLwgKw8DKeJ+uHo83z5r/9+34sy/I8h8Bv6ruW/Bt+bN9n jkUo85lnudTyHWJRB5L/G7H+jWUqf7brTbiCosyn3x/D6azxuX3fC2UKpeD3/09+vhL4sY6yUn8j 82m0SqM0Tobk7OaLVf1Ntss43CQxScLV7IVsUrJKnqbrabog1jNNDgl+S44Js6g7sPiA2v9Dg76a LrbP5ClZiUzOkXvkDWzLOppEzDl65t695/wcJ+PtAzmYp9H38XY6i/86/p6sFsnMYkfLx2d2NEni dBUuV+m/kmhzlK4e3pCDhygqUb0jekSxDKIrkYNbKPCHcJOlDxg8/f7s7A15Q/5Cyej6hvwK3/9t uyCQhw4pHTKPfLk7EwB68c/S+TxcxGQ2XUDlnH7+fHd/eX3y/uL47ThNN2+f5vDF9o/BLr1W8ODx ly+X58eh508c32IDmkTJwHECexBGnj2wIx57EyfmLIzgcbJ6fBiT37fTZEOuTj69P04W919GR1/u 3g24Xj6Q9Hay3A7JM3ToTXKfTibrZPOVfRsS4vreYZG+nv6RrLNk5hpaliij7XKZrjbTxQP5bXTy 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X-Barracuda-Start-Time: 1465436235 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15877 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30289 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message �� MIME. ------=_NextPart_000_000B_01D1C208.9F02E8F0 Content-Type: text/plain; charset="koi8-r" Content-Transfer-Encoding: quoted-printable 22 =C9=C0=CE=D1 | =C7.=ED=CF=D3=CB=D7=C1 =F0=D2=CF=CD=CF=CB=CF=C4: 428 =20 =EE=C1=CC=CF=C7=CF=D7=CF=C5 = =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 =D7 2016-2017 =C7=CF=C4=D5 =20 =20 =FA=C1=CE=D1=D4=C9=D1 =D0=D2=CF=D7=CF=C4=D1=D4=D3=D1 = =D3 10:00 =C4=CF 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=D3=D2=C5=C4=CE=C5=C7=CF =C9=20 =CB=D2=D5=D0=CE=CF=C7=CF =C2=C9=DA=CE=C5=D3=C1. =EF=D3=CF=C2=C5=CE=CE=CF=D3=D4=C9 = =CE=C1=CC=CF=C7=CF=D7=CF=C7=CF =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=D1 = =CD=C1=CC=CF=C7=CF =C2=C9=DA=CE=C5=D3=C1. 3. =ED=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 = =CE=C1=CC=CF=C7=C1 =CE=C1 =D0=D2=C9=C2=D9=CC=D8 =D7 =C7=D2=D5=D0=D0=C5 = =CB=CF=CD=D0=C1=CE=C9=CA. =20 =ED=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 =CE=C1=CC=CF=C7=C1 = =D3 =D0=CF=CD=CF=DD=D8=C0 =D2=CF=D3=D3=C9=CA=D3=CB=C9=C8 = =D3=D5=C2=DF=C5=CB=D4=CF=D7 =CC=D8=C7=CF=D4=CE=CF=C7=CF = =CE=C1=CC=CF=C7=CF=CF=C2=CC=CF=D6=C5=CE=C9=D1=20 (=C4=C1=D7=C1=CC=D8=DE=C5=D3=CB=C1=D1 =D3=C8=C5=CD=C1, = =D2=C1=DA=C4=C5=CC=C5=CE=C9=C5 =D0=CF=D4=CF=CB=CF=D7, = =C9=D3=D0=CF=CC=D8=DA=CF=D7=C1=CE=C9=C5 =D3=D5=C2=DF=C5=CB=D4=CF=D7 = =CC=D8=C7=CF=D4=CE=CF=C7=CF=20 =CE=C1=CC=CF=C7=CF=CF=C2=CC=CF=D6=C5=CE=C9=D1; = =C4=C5=D1=D4=C5=CC=D8=CE=CF=D3=D4=D8 =D7 =D0=D2=CF=D3=D4=CF=CD = =D4=CF=D7=C1=D2=C9=DD=C5=D3=D4=D7=C5; = =C9=D3=D0=CF=CC=D8=DA=CF=D7=C1=CE=C9=C5 = =D4=D2=C1=CE=D3=C6=C5=D2=D4=CE=CF=C7=CF=20 =C3=C5=CE=CF=CF=C2=D2=C1=DA=CF=D7=C1=CE=C9=D1; = =CC=C9=DA=C9=CE=C7; =D2=C5=CF=D2=C7=C1=CE=C9=DA=C1=C3=C9=D1; = =D3=C8=C5=CD=D9 =D3 =C4=CF=CC=D1=CD=C9 =C9 =D0=D2.) =20 =ED=C5=D6=C4=D5=CE=C1=D2=CF=C4=CE=CF=C5 = =CE=C1=CC=CF=C7=CF=D7=CF=C5 =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 = =D3=C4=C5=CC=CF=CB. 4. =EE=C1=CC=CF=C7=CF=D7=CF=C5 = =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 =EE=E4=F3 = (=D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 =CF=C2=CF=D2=CF=D4=CE=CF=C7=CF = =EE=E4=F3; =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 =EE=E4=F3 =D0=D2=C9=20 =CB=D2=D5=D0=CE=D9=C8 =D3=C4=C5=CC=CB=C1=C8; = =CD=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 =CE=C1=CC=CF=C7=C1 =D0=D2=C9 = =CF=C2=D9=DE=CE=CF=CA =C4=C5=D1=D4=C5=CC=D8=CE=CF=D3=D4=C9 = =D0=D2=C5=C4=D0=D2=C9=D1=D4=C9=D1). =20 5. =EE=C1=CC=CF=C7=CF=D7=CF=C5 = =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 =DA=C1=D2=D0=CC=C1=D4=CE=D9=C8 = =CE=C1=CC=CF=C7=CF=D7 =C9 =D3=C2=CF=D2=CF=D7. =20 =E4=C9=D7=C9=C4=C5=CE=C4=CE=C1=D1 =D3=C8=C5=CD=C1; = =CB=CF=CF=D0=C5=D2=C1=D4=C9=D7=D9. =F0=CF=CE=C9=D6=C5=CE=CE=D9=C5 =D3=D4=C1=D7=CB=C9 = =D3=D4=D2=C1=C8=CF=D7=D9=C8 =D7=DA=CE=CF=D3=CF=D7. =EB=CD=D0=C5=CE=D3=C1=C3=C9=CF=CE=CE=D9=C5 = =D7=D9=D0=CC=C1=D4=D9; =D7=D9=D0=CC=C1=D4=D9 =D0=CF = =D5=DE=C5=CE=C9=DE=C5=D3=CB=C9=CD =C4=CF=C7=CF=D7=CF=D2=C1=CD. =F7=D9=D0=CC=C1=D4=D9 =DE=CC=C5=CE=C1=CD = =D3=CF=D7=C5=D4=C1 =C4=C9=D2=C5=CB=D4=CF=D2=CF=D7; = =D0=C5=D2=C5=D2=C1=D3=D0=D2=C5=C4=C5=CC=C5=CE=C9=C5 =C6=CF=CE=C4=C1 = =CF=D0=CC=C1=D4=D9 =D4=D2=D5=C4=C1 =C9 =C4=D2. =D3=D0=CF=D3=CF=C2=D9=20 =CD=C9=CE=C9=CD=C9=DA=C1=C3=C9=C9 = =DA=C1=D2=D0=CC=C1=D4=CE=D9=C8 =CE=C1=CC=CF=C7=CF=D7 = (=D3=C2=CF=D2=CF=D7): =CE=C0=C1=CE=D3=D9 =D0=D2=C9=CD=C5=CE=C5=CE=C9=D1. 6. =ED=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 = =CE=C1=CC=CF=C7=C1 =CE=C1 =C9=CD=D5=DD=C5=D3=D4=D7=CF. =20 7. =F2=C5=C9=CE=D7=C5=D3=D4=C9=D2=CF=D7=C1=CE=C9=C5 = =C6=C9=CE=C1=CE=D3=CF=D7 =D0=D2=C9 =D0=D2=C9=CD=C5=CE=C5=CE=C9=C9 = =D3=D0=CF=D3=CF=C2=CF=D7 =DC=CB=CF=CE=CF=CD=C9=C9 =CE=C1=CC=CF=C7=C1 = =CE=C1 =D0=D2=C9=C2=D9=CC=D8. =20 8. =EF=C3=C5=CE=CB=C1 =C9 = =CD=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 =D2=C9=D3=CB=CF=D7 =D0=D2=C9 = =CE=C1=CC=CF=C7=CF=D7=CF=CD =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C9 = (=D3=D7=D1=DA=C1=CE=CE=D9=C8 =D3 = =CE=C5=CF=C2=CF=D3=CE=CF=D7=C1=CE=CE=CF=CA=20 =CE=C1=CC=CF=C7=CF=D7=CF=CA =D7=D9=C7=CF=C4=CF=CA; = =CE=C1=CC=CF=C7=CF=D7=D9=C5 =D0=CF=D3=CC=C5=C4=D3=D4=D7=C9=D1 = =CE=C5=C4=C5=CA=D3=D4=D7=C9=D4=C5=CC=D8=CE=CF=D3=D4=C9 = =D3=C4=C5=CC=CF=CB; =D2=C9=D3=CB=C9, =D3=D7=D1=DA=C1=CE=CE=D9=C5 =D3=20 =E6=C9=CE=CD=CF=CE=C9=D4=CF=D2=C9=CE=C7=CF=CD). =20 =F3=D4=CF=C9=CD=CF=D3=D4=D8 = =D5=DE=C1=D3=D4=C9=D1: 11 800 =D2.=20 =F7 =D3=D4=CF=C9=CD=CF=D3=D4=D8 = =D7=C8=CF=C4=C9=D4 =CD=C5=D4=CF=C4=C9=DE=C5=D3=CB=C9=CA = =CD=C1=D4=C5=D2=C9=C1=CC, =CF=C2=C5=C4=D9, =CB=CF=C6=C5-=D0=C1=D5=DA=D9, = =D3=C5=D2=D4=C9=C6=C9=CB=C1=D4.=20 =20 =20 =20 =20 =20 ------=_NextPart_000_000B_01D1C208.9F02E8F0 Content-Type: text/html; charset="koi8-r" Content-Transfer-Encoding: quoted-printable

=EE=C1=CC=CF=C7=CF=D7=CF=C5 =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 = =D7=20 2016-2017 = =C7=CF=C4=D5

22 =C9=C0=CE=D1 | = =C7.=ED=CF=D3=CB=D7=C1
=F0=D2=CF=CD=CF=CB=CF=C4: 428

=FA=C1=CE=D1=D4=C9=D1=20 =D0=D2=CF=D7=CF=C4=D1=D4=D3=D1 =D3=20 10:00 =C4=CF 17:30.

=E1=C4=D2=C5=D3 = =CD=C5=D2=CF=D0=D2=C9=D1=D4=C9=D1: =CD. = =E2=C1=D5=CD=C1=CE=D3=CB=C1=D1, =D5=CC. =E2=C1=D5=CD=C1=CE=D3=CB=C1=D1, = =C4.6,=20 =D3=D4=D2.2, =E2.=E3. "=F7=C9=CB=D4=CF=D2=C9=D1 = =F0=CC=C1=DA=C1".

=F7=D3=D1 = =D0=CF=C4=D2=CF=C2=CE=C1=D1 =C9=CE=C6=CF=D2=CD=C1=C3=C9=D1 =C9 = =D2=C5=C7=C9=D3=D4=D2=C1=C3=C9=D1=20 =D0=CF =CE=CF=CD=C5=D2=D5 = =D4=C5=CC=C5=C6=CF=CE=C1:
8 =CB=CF=C4 = =C7=CF=D2=CF=C4=C1 =ED=CF=D3=CB=D7=D9  (495) =D4=C5=CC.: 725 - 04 - 48.

=F3=CF=C4=C5=D2=D6=C1=CE=C9=C5 = =D0=D2=CF=C7=D2=C1=CD=CD=D9:

1.=20 =E9=DA=CD=C5=CE=C5=CE=C9=D1 =D7 = =DA=C1=CB=CF=CE=CF=C4=C1=D4=C5=CC=D8=D3=D4=D7=C5, = =D0=CF=D7=CC=C9=D1=D7=DB=C9=C5 =CE=C1 =CE=C1=CC=CF=C7=CF=D7=CF=C5=20 = =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5.

=E9=DA=CD=C5=CE=C5=CE=C9=D1 = =D7 =D0=CF=D2=D1=C4=CB=C5 =CB=C1=CD=C5=D2=C1=CC=D8=CE=CF=CA=20 =D0=D2=CF=D7=C5=D2=CB=C9 = =C4=C5=CB=CC=C1=D2=C1=C3=C9=CA =D0=CF =EE=E4=F3 (=D3=C9=D3=D4=C5=CD=C1 = Bigdata; =D0=C5=D2=D7=D9=C5
=D2=C5=DA=D5=CC=D8=D4=C1=D4= =D9=20 =CB=C1=CD=C5=D2=C1=CC=D8=CE=D9=C8 = =D0=D2=CF=D7=C5=D2=CF=CB =D3=CF=C7=CC=C1=D3=CE=CF =CE=CF=D7=CF=CD=D5 = =D0=CF=D2=D1=C4=CB=D5, =DE=D4=CF =CB=C1=D2=C4=C9=CE=C1=CC=D8=CE=CF=20 =CD=C5=CE=D1=C5=D4=D3=D1 =D7
=CE=C1=CC=CF=C7=CF=D7=CF=CD= =20 =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C9 = =EE=E4=F3).

=EB=C1=CB=C9=C5 =D3=D4=C1=D2=D9=C5 = =D3=D0=CF=D3=CF=C2=D9 =CD=C9=CE=C9=CD=C9=DA=C1=C3=C9=C9 =EE=E4=F3=20 =D3=D4=C1=CC=C9 =CE=C5=D7=CF=DA=CD=CF=D6=CE=D9 =C9 = =DE=D4=CF =CE=CF=D7=CF=C7=CF =CD=CF=D6=CE=CF = =D0=D2=C9=CD=C5=CE=C9=D4=D8.

=FA=C1=CB=CF=CE =CF=20 =C4=C5=CF=C6=DB=CF=D2=C9=DA=C1=C3=C9=C9, = =CF=D4=D7=C5=D4=D3=D4=D7=C5=CE=CE=CF=D3=D4=D8 =DA=C1 = =CE=C5=D3=CF=C2=CC=C0=C4=C5=CE=C9=C5 = =D0=C5=D2=C5=DE=C5=D2=CB=C9=D7=C1=C5=D4=20 =CC=C9 =CF=CE =D7=CF=DA=CD=CF=D6=CE=CF=D3=D4=D8
=C9=D3=D0=CF=CC=D8=DA=CF=D7= =C1=CE=C9=D1=20 =C9=CE=CF=D3=D4=D2=C1=CE=CE=D9=C8 = =C0=D2=C9=D3=C4=C9=CB=C3=C9=CA =D7 =CE=C1=CC=CF=C7=CF=D7=CF=CD = =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C9; =DA=C1=CB=CF=CE =CF=20 =CE=C1=CC=CF=C7=CF=D7=CF=CA
=C1=CD=CE=C9=D3=D4=C9=C9=20 =CB=C1=D0=C9=D4=C1=CC=C1.

=EE=CE=CF=D7=D9=CA = =D0=CF=D2=D1=C4=CF=CB =D0=D2=C9=D7=CC=C5=DE=C5=CE=C9=D1 =CB = =D5=C7=CF=CC=CF=D7=CE=CF=CA=20 =CF=D4=D7=C5=D4=D3=D4=D7=C5=CE=CE=CF=D3=D4=C9 =DA=C1 = =CE=C1=CC=CF=C7=CF=D7=D9=C5 =D0=D2=C5=D3=D4=D5=D0=CC=C5=CE=C9=D1:
=D0=CF=DE=C5=CD=D5 = =D4=C5=D0=C5=D2=D8 =CE=C5=20 =D2=C5=DA=D5=CC=D8=D4=C1=D4=C9=D7=CE=CF = =C9=D3=CB=C1=D4=D8 =CB=CF=CD=D0=D2=CF=CD=C9=D3=D3 =CE=C1 = =D5=D2=CF=D7=CE=C5 =CE=C1=CC=CF=C7=CF=D7=CF=CA=20 =C9=CE=D3=D0=C5=CB=C3=C9=C9).

2.=20 =EF=C2=DD=C9=C5 =D0=D2=C1=D7=C9=CC=C1 = =D0=D2=C9=CD=C5=CE=C5=CE=C9=D1 =D3=D0=CF=D3=CF=C2=CF=D7 = =CF=D0=D4=C9=CD=C9=DA=C1=C3=C9=C9 = =CE=C1=CC=CF=C7=CF=CF=C2=CC=CF=D6=C5=CE=C9=D1:=20 =CB=C1=CB =C9=DA=C2=C5=D6=C1=D4=D8
   =20 =CF=DB=C9=C2=CF=CB.

=F0=CF=D3=D4=D2=CF= =C5=CE=C9=C5=20 =C8=CF=CC=C4=C9=CE=C7=CF=D7=CF=CA = =D3=D4=D2=D5=CB=D4=D5=D2=D9 =C2=C9=DA=CE=C5=D3=C1 =CB=C1=CB = =CF=D3=CE=CF=D7=C1 =CE=C1=CC=CF=C7=CF=D7=CF=C7=CF=20 =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=D1 = =D3=D2=C5=C4=CE=C5=C7=CF =C9
=CB=D2=D5=D0=CE=CF=C7=CF=20 = =C2=C9=DA=CE=C5=D3=C1.

=EF=D3=CF=C2=C5=CE=CE=CF=D3=D4=C9 = =CE=C1=CC=CF=C7=CF=D7=CF=C7=CF =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=D1 = =CD=C1=CC=CF=C7=CF=20 =C2=C9=DA=CE=C5=D3=C1.

3.=20 =ED=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 =CE=C1=CC=CF=C7=C1 = =CE=C1 =D0=D2=C9=C2=D9=CC=D8 =D7 =C7=D2=D5=D0=D0=C5=20 = =CB=CF=CD=D0=C1=CE=C9=CA.

=ED=C9=CE=C9=CD=C9=DA=C1=C3=C9= =D1 =CE=C1=CC=CF=C7=C1 =D3 =D0=CF=CD=CF=DD=D8=C0=20 =D2=CF=D3=D3=C9=CA=D3=CB=C9=C8 = =D3=D5=C2=DF=C5=CB=D4=CF=D7 =CC=D8=C7=CF=D4=CE=CF=C7=CF = =CE=C1=CC=CF=C7=CF=CF=C2=CC=CF=D6=C5=CE=C9=D1
(=C4=C1=D7=C1=CC=D8=DE=C5=D3= =CB=C1=D1=20 =D3=C8=C5=CD=C1, =D2=C1=DA=C4=C5=CC=C5=CE=C9=C5 = =D0=CF=D4=CF=CB=CF=D7, =C9=D3=D0=CF=CC=D8=DA=CF=D7=C1=CE=C9=C5 = =D3=D5=C2=DF=C5=CB=D4=CF=D7=20 =CC=D8=C7=CF=D4=CE=CF=C7=CF
=CE=C1=CC=CF=C7=CF=CF=C2=CC= =CF=D6=C5=CE=C9=D1;=20 =C4=C5=D1=D4=C5=CC=D8=CE=CF=D3=D4=D8 =D7 = =D0=D2=CF=D3=D4=CF=CD =D4=CF=D7=C1=D2=C9=DD=C5=D3=D4=D7=C5; = =C9=D3=D0=CF=CC=D8=DA=CF=D7=C1=CE=C9=C5=20 =D4=D2=C1=CE=D3=C6=C5=D2=D4=CE=CF=C7=CF
=C3=C5=CE=CF=CF=C2=D2=C1=DA= =CF=D7=C1=CE=C9=D1;=20 =CC=C9=DA=C9=CE=C7; = =D2=C5=CF=D2=C7=C1=CE=C9=DA=C1=C3=C9=D1; =D3=C8=C5=CD=D9 =D3 = =C4=CF=CC=D1=CD=C9 =C9=20 = =D0=D2.)

=ED=C5=D6=C4=D5=CE=C1=D2=CF=C4=CE=CF=C5 = =CE=C1=CC=CF=C7=CF=D7=CF=C5 =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5=20 =D3=C4=C5=CC=CF=CB.

4.=20 =EE=C1=CC=CF=C7=CF=D7=CF=C5 = =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 =EE=E4=F3 = (=D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 =CF=C2=CF=D2=CF=D4=CE=CF=C7=CF = =EE=E4=F3;=20 =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 =EE=E4=F3 = =D0=D2=C9
   =20 =CB=D2=D5=D0=CE=D9=C8 =D3=C4=C5=CC=CB=C1=C8; = =CD=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 =CE=C1=CC=CF=C7=C1 =D0=D2=C9 = =CF=C2=D9=DE=CE=CF=CA =C4=C5=D1=D4=C5=CC=D8=CE=CF=D3=D4=C9=20 = =D0=D2=C5=C4=D0=D2=C9=D1=D4=C9=D1).

5. = =EE=C1=CC=CF=C7=CF=D7=CF=C5 =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C5 = =DA=C1=D2=D0=CC=C1=D4=CE=D9=C8=20 =CE=C1=CC=CF=C7=CF=D7 =C9 = =D3=C2=CF=D2=CF=D7.

=E4=C9=D7=C9=C4=C5=CE=C4=CE=C1=D1 = =D3=C8=C5=CD=C1;=20 = =CB=CF=CF=D0=C5=D2=C1=D4=C9=D7=D9.

=F0=CF=CE=C9=D6=C5=CE=CE=D9=C5 = =D3=D4=C1=D7=CB=C9 =D3=D4=D2=C1=C8=CF=D7=D9=C8=20 = =D7=DA=CE=CF=D3=CF=D7.

=EB=CD=D0=C5=CE=D3=C1=C3=C9=CF=CE=CE=D9=C5 = =D7=D9=D0=CC=C1=D4=D9; =D7=D9=D0=CC=C1=D4=D9 =D0=CF = =D5=DE=C5=CE=C9=DE=C5=D3=CB=C9=CD=20 = =C4=CF=C7=CF=D7=CF=D2=C1=CD.

=F7=D9=D0=CC=C1=D4=D9 = =DE=CC=C5=CE=C1=CD =D3=CF=D7=C5=D4=C1 =C4=C9=D2=C5=CB=D4=CF=D2=CF=D7;=20 =D0=C5=D2=C5=D2=C1=D3=D0=D2=C5=C4=C5=CC=C5=CE=C9=C5 = =C6=CF=CE=C4=C1 =CF=D0=CC=C1=D4=D9 =D4=D2=D5=C4=C1 =C9 =C4=D2. = =D3=D0=CF=D3=CF=C2=D9
=CD=C9=CE=C9=CD=C9=DA=C1=C3= =C9=C9=20 =DA=C1=D2=D0=CC=C1=D4=CE=D9=C8 =CE=C1=CC=CF=C7=CF=D7 = (=D3=C2=CF=D2=CF=D7): =CE=C0=C1=CE=D3=D9=20 =D0=D2=C9=CD=C5=CE=C5=CE=C9=D1.

6.=20 =ED=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 =CE=C1=CC=CF=C7=C1 = =CE=C1 =C9=CD=D5=DD=C5=D3=D4=D7=CF.

7. = =F2=C5=C9=CE=D7=C5=D3=D4=C9=D2=CF=D7=C1=CE=C9=C5 = =C6=C9=CE=C1=CE=D3=CF=D7 =D0=D2=C9=20 =D0=D2=C9=CD=C5=CE=C5=CE=C9=C9 = =D3=D0=CF=D3=CF=C2=CF=D7 =DC=CB=CF=CE=CF=CD=C9=C9 =CE=C1=CC=CF=C7=C1 = =CE=C1=20 =D0=D2=C9=C2=D9=CC=D8.

8. = =EF=C3=C5=CE=CB=C1 =C9 =CD=C9=CE=C9=CD=C9=DA=C1=C3=C9=D1 = =D2=C9=D3=CB=CF=D7=20 =D0=D2=C9 =CE=C1=CC=CF=C7=CF=D7=CF=CD = =D0=CC=C1=CE=C9=D2=CF=D7=C1=CE=C9=C9 (=D3=D7=D1=DA=C1=CE=CE=D9=C8 = =D3=20 =CE=C5=CF=C2=CF=D3=CE=CF=D7=C1=CE=CE=CF=CA
=CE=C1=CC=CF=C7=CF=D7=CF=CA= =20 =D7=D9=C7=CF=C4=CF=CA; =CE=C1=CC=CF=C7=CF=D7=D9=C5 = =D0=CF=D3=CC=C5=C4=D3=D4=D7=C9=D1 = =CE=C5=C4=C5=CA=D3=D4=D7=C9=D4=C5=CC=D8=CE=CF=D3=D4=C9 = =D3=C4=C5=CC=CF=CB;=20 =D2=C9=D3=CB=C9, =D3=D7=D1=DA=C1=CE=CE=D9=C5 =D3
=E6=C9=CE=CD=CF=CE=C9=D4=CF= =D2=C9=CE=C7=CF=CD).
=20

=F3=D4=CF=C9=CD=CF=D3=D4=D8=20 =D5=DE=C1=D3=D4=C9=D1: 11 = 800=20 =D2.
=F7 = =D3=D4=CF=C9=CD=CF=D3=D4=D8=20 =D7=C8=CF=C4=C9=D4 = =CD=C5=D4=CF=C4=C9=DE=C5=D3=CB=C9=CA =CD=C1=D4=C5=D2=C9=C1=CC, = =CF=C2=C5=C4=D9, =CB=CF=C6=C5-=D0=C1=D5=DA=D9,=20 =D3=C5=D2=D4=C9=C6=C9=CB=C1=D4.

------=_NextPart_000_000B_01D1C208.9F02E8F0-- From david@fromorbit.com Wed Jun 8 21:23:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A89FC7CA1 for ; Wed, 8 Jun 2016 21:23:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 18B7AAC002 for ; Wed, 8 Jun 2016 19:23:12 -0700 (PDT) X-ASG-Debug-ID: 1465438987-04cb6c2dbcbf9760001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id qYVX56pdr3Y8HQrE for ; Wed, 08 Jun 2016 19:23:09 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AikLAOzRWFd5LbJkN2dsb2JhbABegz5WfYZvn1wGiEWDbIoNGoVzAgIBAQKBQ00BAQEBAQEHAQEBAUJAhEYBAQQ6HCMQCAMUBAklDwUNGAMHGhOIFQMWuhkNg38BAQEHAgEkHoVBhRWCQ4dXBZgbNIYDhimBcIFzjTaGPoE4h2yEVCoyiggBAQE Received: from ppp121-45-178-100.lns20.syd7.internode.on.net (HELO dastard) ([121.45.178.100]) by ipmail06.adl2.internode.on.net with ESMTP; 09 Jun 2016 11:52:39 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bApcE-0002Pj-8X; Thu, 09 Jun 2016 12:22:38 +1000 Date: Thu, 9 Jun 2016 12:22:38 +1000 From: Dave Chinner To: Reinoud Koornstra Cc: Christoph Hellwig , Eric Sandeen , Daniel Wagner , viro@zeniv.linux.org.uk, xfs@oss.sgi.com Subject: Re: crash in xfs in current Message-ID: <20160609022238.GY26977@dastard> X-ASG-Orig-Subj: Re: crash in xfs in current References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1465438988 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2593 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30290 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 07, 2016 at 10:40:11PM -0600, Reinoud Koornstra wrote: > On Tue, Jun 7, 2016 at 10:16 PM, Reinoud Koornstra > wrote: > > On Tue, Jun 7, 2016 at 5:40 PM, Reinoud Koornstra > > wrote: > >> Hi Christoph, > >> > >> Now my git log show this: > >> > >> commit 555b67e4e729ca544bb4028ab12e532c68b70ddb > >> Merge: 544ad71 ad438c4 > >> Author: Dave Chinner > >> Date: Fri May 20 10:34:00 2016 +1000 > >> > >> Merge branch 'xfs-4.7-inode-reclaim' into for-next > >> > >> commit 544ad71fc8e20fb3a6f50f00d487751492cd8409 > >> Merge: 2a4ad58 e6b3bb7 > >> Author: Dave Chinner > >> Date: Fri May 20 10:33:38 2016 +1000 > >> > >> Merge branch 'xfs-4.7-error-cfg' into for-next > >> > >> commit 2a4ad5894c819978dca5595396d54d51c3aca694 > >> Merge: a7792aa 6e3e6d5 > >> Author: Dave Chinner > >> Date: Fri May 20 10:33:17 2016 +1000 > >> > >> Merge branch 'xfs-4.7-misc-fixes' into for-next > >> > >> commit a7792aad644a259375002db8c9d9e03fd50bf509 > >> Merge: 5b911354 3ab3ffc > >> Author: Dave Chinner > >> Date: Fri May 20 10:32:35 2016 +1000 > >> > >> Is this correct? > >> If so, let me build and test. > >> Building it already as we speak, but it would be nice if you could > >> confirm I'm actually testing the right thing. > >> Though, wouldn't it be good to repro and get a core file as well? > >> Or would the test of this commit narrow down the possibilities as well? > >> Thanks, > >> > >> Reinoud. > >> > > > > Ouch, forgive me for not responding inline previously. > > For what it's worth, i've compiled the kernel and are running it as we speak. > > Will do testing and let you know. > > Ok, going back to commit 555b67e4e729ca544bb4028ab12e532c68b70ddb > brings the kernel back to 4.6-rc1. > With that kernel I crash all over the place, so that's something I cannot run. > Is there a way to get the 4.7-rc1 or rc2 without the commits for XFS? In your Linus git tree: $ git remote add xfsdev git://git.kernel.org/git/dgc/linux-xfs.git $ git remote update $ git checkout -b xfsdev-merge v4.6 $ git merge xfsdev/xfs-for-linus-4.7-rc1 And that should give you the XFS changes for 4.7-rc1 in a vanilla 4.6 tree. This merge is one of the things I test (i.e. send to my test machiens for a round of xfstests and other stress) before sending a pull request to Linus, so it should work just fine. Cheers, Dave. -- Dave Chinner david@fromorbit.com From reinoudkoornstra@gmail.com Wed Jun 8 21:53:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6216C7CAE for ; Wed, 8 Jun 2016 21:53:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id EF4C1AC001 for ; Wed, 8 Jun 2016 19:53:06 -0700 (PDT) X-ASG-Debug-ID: 1465440783-04bdf05ad7c0c790001-NocioJ Received: from mail-qk0-f179.google.com (mail-qk0-f179.google.com [209.85.220.179]) by cuda.sgi.com with ESMTP id NMYar432UBCtEtGf (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 08 Jun 2016 19:53:04 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qk0-f179.google.com[209.85.220.179] X-Barracuda-Apparent-Source-IP: 209.85.220.179 Received: by mail-qk0-f179.google.com with SMTP id u63so14461558qkh.0 for ; 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Wed, 08 Jun 2016 19:53:03 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.39.13 with HTTP; Wed, 8 Jun 2016 19:53:02 -0700 (PDT) In-Reply-To: <20160609022238.GY26977@dastard> References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> <20160609022238.GY26977@dastard> From: Reinoud Koornstra Date: Wed, 8 Jun 2016 20:53:02 -0600 Message-ID: Subject: Re: crash in xfs in current To: Dave Chinner X-ASG-Orig-Subj: Re: crash in xfs in current Cc: Christoph Hellwig , Eric Sandeen , Daniel Wagner , viro@zeniv.linux.org.uk, xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qk0-f179.google.com[209.85.220.179] X-Barracuda-Start-Time: 1465440784 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3388 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30291 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Jun 8, 2016 at 8:22 PM, Dave Chinner wrote: > On Tue, Jun 07, 2016 at 10:40:11PM -0600, Reinoud Koornstra wrote: >> On Tue, Jun 7, 2016 at 10:16 PM, Reinoud Koornstra >> wrote: >> > On Tue, Jun 7, 2016 at 5:40 PM, Reinoud Koornstra >> > wrote: >> >> Hi Christoph, >> >> >> >> Now my git log show this: >> >> >> >> commit 555b67e4e729ca544bb4028ab12e532c68b70ddb >> >> Merge: 544ad71 ad438c4 >> >> Author: Dave Chinner >> >> Date: Fri May 20 10:34:00 2016 +1000 >> >> >> >> Merge branch 'xfs-4.7-inode-reclaim' into for-next >> >> >> >> commit 544ad71fc8e20fb3a6f50f00d487751492cd8409 >> >> Merge: 2a4ad58 e6b3bb7 >> >> Author: Dave Chinner >> >> Date: Fri May 20 10:33:38 2016 +1000 >> >> >> >> Merge branch 'xfs-4.7-error-cfg' into for-next >> >> >> >> commit 2a4ad5894c819978dca5595396d54d51c3aca694 >> >> Merge: a7792aa 6e3e6d5 >> >> Author: Dave Chinner >> >> Date: Fri May 20 10:33:17 2016 +1000 >> >> >> >> Merge branch 'xfs-4.7-misc-fixes' into for-next >> >> >> >> commit a7792aad644a259375002db8c9d9e03fd50bf509 >> >> Merge: 5b911354 3ab3ffc >> >> Author: Dave Chinner >> >> Date: Fri May 20 10:32:35 2016 +1000 >> >> >> >> Is this correct? >> >> If so, let me build and test. >> >> Building it already as we speak, but it would be nice if you could >> >> confirm I'm actually testing the right thing. >> >> Though, wouldn't it be good to repro and get a core file as well? >> >> Or would the test of this commit narrow down the possibilities as well? >> >> Thanks, >> >> >> >> Reinoud. >> >> >> > >> > Ouch, forgive me for not responding inline previously. >> > For what it's worth, i've compiled the kernel and are running it as we speak. >> > Will do testing and let you know. >> >> Ok, going back to commit 555b67e4e729ca544bb4028ab12e532c68b70ddb >> brings the kernel back to 4.6-rc1. >> With that kernel I crash all over the place, so that's something I cannot run. >> Is there a way to get the 4.7-rc1 or rc2 without the commits for XFS? > > In your Linus git tree: > > $ git remote add xfsdev git://git.kernel.org/git/dgc/linux-xfs.git > $ git remote update > $ git checkout -b xfsdev-merge v4.6 > $ git merge xfsdev/xfs-for-linus-4.7-rc1 Tried to do this: reinoud@router-dev:~/Downloads/kernel_current$ git remote add xfsdev git://git.kernel.org/git/dgc/linux-xfs.git reinoud@router-dev:~/Downloads/kernel_current$ git remote update Fetching origin Fetching xfsdev fatal: remote error: access denied or repository not exported: /git/dgc/linux-xfs.git error: Could not fetch xfsdev I don't think I have access to git.kernel.org in terms of pushing. :) Or am I doing something else wrong. Forgive the trivial question. Btw, I started in the most current linus git tree.... or should I git 4.6.y and then do your suggestions? Thanks, Reinoud. > > And that should give you the XFS changes for 4.7-rc1 in a vanilla 4.6 > tree. This merge is one of the things I test (i.e. send to my test > machiens for a round of xfstests and other stress) before sending a > pull request to Linus, so it should work just fine. > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From sandeen@sandeen.net Wed Jun 8 21:56:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AB5157CB1 for ; Wed, 8 Jun 2016 21:56:25 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 43685AC002 for ; Wed, 8 Jun 2016 19:56:24 -0700 (PDT) X-ASG-Debug-ID: 1465440982-04bdf05ad7c0c8f0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id GlQN6WA4RrsZGVsO for ; Wed, 08 Jun 2016 19:56:22 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id AB83F1F1C; Wed, 8 Jun 2016 21:56:21 -0500 (CDT) Subject: Re: crash in xfs in current To: Reinoud Koornstra , Dave Chinner X-ASG-Orig-Subj: Re: crash in xfs in current References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> <20160609022238.GY26977@dastard> Cc: Christoph Hellwig , Daniel Wagner , viro@zeniv.linux.org.uk, xfs@oss.sgi.com From: Eric Sandeen Message-ID: <00bbe658-a891-3771-ca1d-5661a8b6ab61@sandeen.net> Date: Wed, 8 Jun 2016 21:56:21 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465440982 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1403 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30291 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 6/8/16 9:53 PM, Reinoud Koornstra wrote: >> In your Linus git tree: >> >> $ git remote add xfsdev git://git.kernel.org/git/dgc/linux-xfs.git >> $ git remote update >> $ git checkout -b xfsdev-merge v4.6 >> $ git merge xfsdev/xfs-for-linus-4.7-rc1 > > Tried to do this: > > reinoud@router-dev:~/Downloads/kernel_current$ git remote add xfsdev > git://git.kernel.org/git/dgc/linux-xfs.git I think that should be: git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git -Eric > reinoud@router-dev:~/Downloads/kernel_current$ git remote update > Fetching origin > Fetching xfsdev > fatal: remote error: access denied or repository not exported: > /git/dgc/linux-xfs.git > error: Could not fetch xfsdev > > I don't think I have access to git.kernel.org in terms of pushing. :) > Or am I doing something else wrong. > Forgive the trivial question. > > Btw, I started in the most current linus git tree.... or should I git > 4.6.y and then do your suggestions? > > Thanks, > > Reinoud. > >> >> And that should give you the XFS changes for 4.7-rc1 in a vanilla 4.6 >> tree. This merge is one of the things I test (i.e. send to my test >> machiens for a round of xfstests and other stress) before sending a >> pull request to Linus, so it should work just fine. >> >> Cheers, >> >> Dave. >> -- >> Dave Chinner >> david@fromorbit.com > From reinoudkoornstra@gmail.com Wed Jun 8 22:42:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B48237CB1 for ; Wed, 8 Jun 2016 22:42:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 87B7F304043 for ; Wed, 8 Jun 2016 20:42:29 -0700 (PDT) X-ASG-Debug-ID: 1465443747-04cb6c2dbbbfb290001-NocioJ Received: from mail-qg0-f41.google.com (mail-qg0-f41.google.com [209.85.192.41]) by cuda.sgi.com with ESMTP id whwFUYxqpRQt8AzZ (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 08 Jun 2016 20:42:27 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qg0-f41.google.com[209.85.192.41] X-Barracuda-Apparent-Source-IP: 209.85.192.41 Received: by mail-qg0-f41.google.com with SMTP id q32so14445703qgq.3 for ; Wed, 08 Jun 2016 20:42:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=/cV44dHpfM8lsSF4a2jRdszdr8RlJHiFF9rufR4ETaI=; b=Wz+8QEb9tupj9+QnOYtV7JeA9psapPXWpCK9iVbOZBjQLw9vNHWIccwjMfq/ql/MSa 5/24/rxBr6qB+Am9E+I6kj3FWT2EUPHnEFaHw6jb6aw/TbBn2SFbb1i3aJjgEgn6TILa Eul6bCELz/5kjRTeLQZ9J6dolvwnsJqnNKiRQcYXgQ5GkSbStxmXDvRZbVQIhqfY0hY2 O4Ch5BNXNwut6IkyyA2DS56bBeZPFGnSOkPSy7O3j1BlhPJD/0RGqs/5fS38Lc4ZrjNz GEKNJYcJ4Eba9vd134Ng0dpazseWDFLx+ingVoXyDx7d3xajow8OPVJFJdSPCcjFynmd fVZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=/cV44dHpfM8lsSF4a2jRdszdr8RlJHiFF9rufR4ETaI=; b=bRhv8igVFjx3gebnlYnycvMxpESqwMRM5eobuVpLCUeQCmEReS86J03fDviO8pKrKG Xv2uBFCoLl8pA6v6TX98qpRuCsMPtAIvrbocnP/CKxQhEgbrmi6tMuV9RWE1VOkV8rab go5bOUzjqtMeMw6IE6vH63Px3N4o/49rEO7fVT+aKzgR/dD3559o6Pvqol1qeEVkqFFF aek+Ng0+Rm/RV3sXotokJoaQ0Hl6g/YWk+KsLKYbtmlYshNwoutXwumvZaGz62y9xe3g 3EdsfLYHLOr24d/b3fetQTs1iz/49IiavWBihxoZs4NmFiFQUFFh5GrRAsS3HHyrsZ7D WrmA== X-Gm-Message-State: ALyK8tLsrALjwWQUBdWYfujcRZyxGoKJRYEraKJWtjpABRCBitDE0Oh2nqm6tYzHj3TNE4VuZk2BxvLqOIJf3g== X-Received: by 10.140.250.213 with SMTP id v204mr7859609qhc.15.1465443747183; Wed, 08 Jun 2016 20:42:27 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.39.13 with HTTP; Wed, 8 Jun 2016 20:42:26 -0700 (PDT) In-Reply-To: <00bbe658-a891-3771-ca1d-5661a8b6ab61@sandeen.net> References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> <20160609022238.GY26977@dastard> <00bbe658-a891-3771-ca1d-5661a8b6ab61@sandeen.net> From: Reinoud Koornstra Date: Wed, 8 Jun 2016 21:42:26 -0600 Message-ID: Subject: Re: crash in xfs in current To: Eric Sandeen X-ASG-Orig-Subj: Re: crash in xfs in current Cc: Dave Chinner , Christoph Hellwig , Daniel Wagner , viro@zeniv.linux.org.uk, xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qg0-f41.google.com[209.85.192.41] X-Barracuda-Start-Time: 1465443747 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2950 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30292 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Jun 8, 2016 at 8:56 PM, Eric Sandeen wrote: > On 6/8/16 9:53 PM, Reinoud Koornstra wrote: > >>> In your Linus git tree: >>> >>> $ git remote add xfsdev git://git.kernel.org/git/dgc/linux-xfs.git >>> $ git remote update >>> $ git checkout -b xfsdev-merge v4.6 >>> $ git merge xfsdev/xfs-for-linus-4.7-rc1 >> >> Tried to do this: >> >> reinoud@router-dev:~/Downloads/kernel_current$ git remote add xfsdev >> git://git.kernel.org/git/dgc/linux-xfs.git > > I think that should be: > > git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git Ok That worked better indeed. :) reinoud@router-dev:~/Downloads/kernel_current$ git remote add xfsdev git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git reinoud@router-dev:~/Downloads/kernel_current$ git remote update Fetching origin Fetching xfsdev remote: Counting objects: 139, done. [SNIP] reinoud@router-dev:~/Downloads/kernel_current$ git checkout -b xfsdev-merge v4.6 Checking out files: 100% (9437/9437), done. Switched to a new branch 'xfsdev-merge' reinoud@router-dev:~/Downloads/kernel_current$ git merge xfsdev/xfs-for-linus-4.7-rc1 merge: xfsdev/xfs-for-linus-4.7-rc1 - not something we can merge So i tried this: reinoud@router-dev:~/Downloads/kernel_current$ git merge xfs-for-linus-4.7-rc1 Auto-merging fs/xfs/xfs_super.c Auto-merging fs/xfs/xfs_pnfs.c Auto-merging fs/xfs/xfs_mount.h Auto-merging fs/xfs/xfs_mount.c Auto-merging fs/xfs/xfs_file.c Auto-merging fs/xfs/xfs_bmap_util.c Auto-merging fs/xfs/xfs_aops.c Auto-merging fs/xfs/libxfs/xfs_bmap.c Auto-merging fs/namei.c Merge made by the 'recursive' strategy. The terminal did hang .... in 4.6 I killed the git operation and did it again and now it says it's up to date. reinoud@router-dev:~/Downloads/kernel_current$ git merge xfs-for-linus-4.7-rc1 Already up-to-date. reinoud@router-dev:~/Downloads/kernel_current$ git status On branch xfsdev-merge Is this correct, can I now build and test? > > -Eric > >> reinoud@router-dev:~/Downloads/kernel_current$ git remote update >> Fetching origin >> Fetching xfsdev >> fatal: remote error: access denied or repository not exported: >> /git/dgc/linux-xfs.git >> error: Could not fetch xfsdev >> >> I don't think I have access to git.kernel.org in terms of pushing. :) >> Or am I doing something else wrong. >> Forgive the trivial question. >> >> Btw, I started in the most current linus git tree.... or should I git >> 4.6.y and then do your suggestions? >> >> Thanks, >> >> Reinoud. >> >>> >>> And that should give you the XFS changes for 4.7-rc1 in a vanilla 4.6 >>> tree. This merge is one of the things I test (i.e. send to my test >>> machiens for a round of xfstests and other stress) before sending a >>> pull request to Linus, so it should work just fine. >>> >>> Cheers, >>> >>> Dave. >>> -- >>> Dave Chinner >>> david@fromorbit.com >> From prodajbionline@meiloffer.eu Thu Jun 9 06:29:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=5.0 tests=HTML_MESSAGE,MIME_HTML_ONLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A82BC7CA0 for ; Thu, 9 Jun 2016 06:29:22 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6B2E18F8039 for ; Thu, 9 Jun 2016 04:29:19 -0700 (PDT) X-ASG-Debug-ID: 1465471753-04cbb03569c41e70001-NocioJ Received: from meiloffer.eu (meiloffer.eu [94.156.237.41]) by cuda.sgi.com with ESMTP id 1b41krnDhT4ewANG for ; Thu, 09 Jun 2016 04:29:13 -0700 (PDT) X-Barracuda-Envelope-From: prodajbionline@meiloffer.eu X-Barracuda-Effective-Source-IP: meiloffer.eu[94.156.237.41] X-Barracuda-Apparent-Source-IP: 94.156.237.41 Received: from tsmails.eu by meiloffer.eu (MDaemon PRO v9.6.1) with ESMTP id md50010981596.msg for ; Thu, 09 Jun 2016 14:28:01 +0300 To: xfs@oss.sgi.com Subject: =?UTF-8?B?0KHQu9C10LTQstCw0Lkg0L/RgNCw0LLQuNC70L3QuNGC0LUg0YHRgtGK0L/QutC4?= Message-ID: X-ASG-Orig-Subj: =?UTF-8?B?0KHQu9C10LTQstCw0Lkg0L/RgNCw0LLQuNC70L3QuNGC0LUg0YHRgtGK0L/QutC4?= Date: Thu, 09 Jun 2016 11:35:49 +0300 From: "=?UTF-8?B?0J/RgNC+0LTQsNC20LHQuCDQvtC90LvQsNC50L0=?=" Reply-To: prodajbionline@mail.bg MIME-Version: 1.0 X-Mailer-LID: 55 List-Unsubscribe: X-Mailer-RecptId: 2375256 X-Mailer-SID: 120 X-Mailer-Sent-By: 1 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Authenticated-Sender: prodajbionline@meiloffer.eu X-Lookup-Warning: EHLO lookup on tsmails.eu does not match 94.156.237.44 X-MDRemoteIP: 94.156.237.44 X-Return-Path: prodajbionline@meiloffer.eu X-Envelope-From: prodajbionline@meiloffer.eu X-MDaemon-Deliver-To: xfs@oss.sgi.com X-Barracuda-Connect: meiloffer.eu[94.156.237.41] X-Barracuda-Start-Time: 1465471753 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8432 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.80 X-Barracuda-Spam-Status: No, SCORE=0.80 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC7_SA_HREF_HTTP_MISMATCH, HTML_MESSAGE, MIME_HTML_ONLY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30299 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.80 BSF_SC7_SA_HREF_HTTP_MISMATCH BODY: Custom Phishing Mismatch 0.00 MIME_HTML_ONLY BODY: Message only has text/html MIME parts 0.00 HTML_MESSAGE BODY: HTML included in message

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From jtulak@redhat.com Thu Jun 9 07:26:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BFCB27CA0 for ; Thu, 9 Jun 2016 07:26:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 37D1FAC002 for ; Thu, 9 Jun 2016 05:26:42 -0700 (PDT) X-ASG-Debug-ID: 1465475201-04cb6c2dbac06f60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 4RAApZqmFM1opQMg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 09 Jun 2016 05:26:42 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 365CB4DB08 for ; Thu, 9 Jun 2016 12:26:41 +0000 (UTC) Received: from jtulak.brq.redhat.com (jtulak.brq.redhat.com [10.34.26.85]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u59CQdIu017963; Thu, 9 Jun 2016 08:26:40 -0400 From: Jan Tulak To: xfs@oss.sgi.com Cc: Jan Tulak Subject: [PATCH] mkfs: better error with incorrect b/s value suffix usage Date: Thu, 9 Jun 2016 14:26:35 +0200 X-ASG-Orig-Subj: [PATCH] mkfs: better error with incorrect b/s value suffix usage Message-Id: <1465475195-19149-1-git-send-email-jtulak@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 09 Jun 2016 12:26:41 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465475201 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1940 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 If user writes a value using b or s suffix without explicitly stating the size of blocks or sectors, mkfs ends with a not helpful error about the value being too small. It happens because we read the physical geometry after all options are parsed. So, tell the user exactly what is wrong with the input. Signed-off-by: Jan Tulak --- While adding entries into the mkfs input test, I found this issue, though it may be only a documentation thing. When I give some option block/sector suffix without specifying explicitly its size (for example, -l su=10b without -b size=4096), I get an error that value 10b is too small. Of course it is, because, at the time, mkfs did not read physical geometry yet, so blocksize is 0. And 10*0 = 0. I think that this is not something we need to change, but it should be better documented. Maybe not manpage (where it can be overlooked if not written to every option using the size and it might be that it already is somewhere down there), but an error message should warn the user in case of using b or s suffix incorrectly. I'm open to suggestions for a better solution, though. Cheers, Jan --- mkfs/xfs_mkfs.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 955dcfd..2870f7b 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -3615,9 +3615,21 @@ cvtnum( return -1LL; if (*sp == 'b') - return i * blksize; + if (!blksize) { + fprintf(stderr, +_("Blocksize must be explicitly provided when using 'b' suffix.\n")); + usage(); + } else { + return i * blksize; + } if (*sp == 's') - return i * sectsize; + if (!sectsize) { + fprintf(stderr, +_("Sectorsize must be explicitly provided when using 's' suffix.\n")); + usage(); + } else { + return i * sectsize; + } c = tolower(*sp); switch (c) { -- 2.5.5 From jtulak@redhat.com Thu Jun 9 08:27:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EA7B97CA0 for ; Thu, 9 Jun 2016 08:27:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 62A18AC002 for ; Thu, 9 Jun 2016 06:27:48 -0700 (PDT) X-ASG-Debug-ID: 1465478866-04cbb03569c45b40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id MyXXDvoVKc4jKK3P (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 09 Jun 2016 06:27:46 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 454E88F4F7 for ; Thu, 9 Jun 2016 13:27:46 +0000 (UTC) Received: from jtulak.brq.redhat.com (jtulak.brq.redhat.com [10.34.26.85]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u59DRjLf017308; Thu, 9 Jun 2016 09:27:45 -0400 From: Jan Tulak To: xfs@oss.sgi.com Cc: Jan Tulak Subject: [PATCH v2] mkfs: better error with incorrect b/s value suffix usage Date: Thu, 9 Jun 2016 15:27:41 +0200 X-ASG-Orig-Subj: [PATCH v2] mkfs: better error with incorrect b/s value suffix usage Message-Id: <1465478861-8714-1-git-send-email-jtulak@redhat.com> In-Reply-To: <1465475195-19149-1-git-send-email-jtulak@redhat.com> References: <1465475195-19149-1-git-send-email-jtulak@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 09 Jun 2016 13:27:46 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465478866 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2095 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 If user writes a value using b or s suffix without explicitly stating the size of blocks or sectors, mkfs ends with a not helpful error about the value being too small. It happens because we read the physical geometry after all options are parsed. So, tell the user exactly what is wrong with the input. Signed-off-by: Jan Tulak --- While adding entries into the mkfs input test, I found this issue, though it may be only a documentation thing. When I give some option block/sector suffix without specifying explicitly its size (for example, -l su=10b without -b size=4096), I get an error that value 10b is too small. Of course it is, because, at the time, mkfs did not read physical geometry yet, so blocksize is 0. And 10*0 = 0. I think that this is not something we need to change, but it should be better documented. Maybe not manpage (where it can be overlooked if not written to every option using the size and it might be that it already is somewhere down there), but an error message should warn the user in case of using b or s suffix incorrectly. I'm open to suggestions for a better solution, though. UPDATE: Add { and } to fix a gcc warning about ambigious else branch. Cheers, Jan --- mkfs/xfs_mkfs.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index ed7800f..455bf11 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -3614,10 +3614,24 @@ cvtnum( if (sp[1] != '\0') return -1LL; - if (*sp == 'b') - return i * blksize; - if (*sp == 's') - return i * sectsize; + if (*sp == 'b') { + if (!blksize) { + fprintf(stderr, +_("Blocksize must be explicitly provided when using 'b' suffix.\n")); + usage(); + } else { + return i * blksize; + } + } + if (*sp == 's') { + if (!sectsize) { + fprintf(stderr, +_("Sectorsize must be explicitly provided when using 's' suffix.\n")); + usage(); + } else { + return i * sectsize; + } + } c = tolower(*sp); switch (c) { -- 2.5.5 From jtulak@redhat.com Thu Jun 9 08:41:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A75E27CA0 for ; Thu, 9 Jun 2016 08:41:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7A2AE304051 for ; Thu, 9 Jun 2016 06:41:50 -0700 (PDT) X-ASG-Debug-ID: 1465479708-04cbb0356ac462e0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id djk5dXWvjEXQAZgw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 09 Jun 2016 06:41:49 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 97478C003574 for ; Thu, 9 Jun 2016 13:41:48 +0000 (UTC) Received: from jtulak.brq.redhat.com (jtulak.brq.redhat.com [10.34.26.85]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u59DflJw016247; Thu, 9 Jun 2016 09:41:47 -0400 From: Jan Tulak To: xfs@oss.sgi.com Cc: Jan Tulak Subject: [PATCH] mkfs: test that -l su is a multiple of block size Date: Thu, 9 Jun 2016 15:41:40 +0200 X-ASG-Orig-Subj: [PATCH] mkfs: test that -l su is a multiple of block size Message-Id: <1465479700-14111-1-git-send-email-jtulak@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 09 Jun 2016 13:41:48 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465479709 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 847 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 lsunit was already tested, but lsu was not. So a thing like -l su=4097 was possible. This commit adds a check to fix it. Signed-off-by: Jan Tulak --- mkfs/xfs_mkfs.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 455bf11..b9b50fe 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -2875,6 +2875,15 @@ an AG size that is one stripe unit smaller, for example %llu.\n"), lsunit = dsunit; } + if (lsu) { + if (lsu % blocksize != 0) { + fprintf(stderr, + _("log stripe unit (%d) must be a multiple of the block size (%d)\n"), + lsu, blocksize); + exit(1); + } + } + if (sb_feat.log_version == 2 && (lsunit * blocksize) > 256 * 1024) { /* Warn only if specified on commandline */ if (lsuflag || lsunitflag) { -- 2.5.5 From sandeen@sandeen.net Thu Jun 9 10:44:57 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1CE4F7CA0 for ; Thu, 9 Jun 2016 10:44:57 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D31748F8035 for ; Thu, 9 Jun 2016 08:44:56 -0700 (PDT) X-ASG-Debug-ID: 1465487093-04bdf06581005c0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id Ijf5eFSfM4MyEfzT for ; Thu, 09 Jun 2016 08:44:53 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id E51784A6 for ; Thu, 9 Jun 2016 10:44:52 -0500 (CDT) Subject: Re: [PATCH v2] mkfs: better error with incorrect b/s value suffix usage To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH v2] mkfs: better error with incorrect b/s value suffix usage References: <1465475195-19149-1-git-send-email-jtulak@redhat.com> <1465478861-8714-1-git-send-email-jtulak@redhat.com> From: Eric Sandeen Message-ID: Date: Thu, 9 Jun 2016 10:44:52 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1465478861-8714-1-git-send-email-jtulak@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465487093 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3019 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/9/16 8:27 AM, Jan Tulak wrote: > If user writes a value using b or s suffix without explicitly stating the size > of blocks or sectors, mkfs ends with a not helpful error about the value being > too small. It happens because we read the physical geometry after all options > are parsed. It's probably worth putting an example of the current error in the commitlog, i.e.: # mkfs.xfs -dfile,name=fsfile,size=128m -l su=10b -b Illegal value 10b for -l su option. value is too small ... > So, tell the user exactly what is wrong with the input. > > Signed-off-by: Jan Tulak > --- > > While adding entries into the mkfs input test, I found this issue, though it > may be only a documentation thing. When I give some option block/sector suffix > without specifying explicitly its size (for example, -l su=10b without -b > size=4096), I get an error that value 10b is too small. Of course it is, > because, at the time, mkfs did not read physical geometry yet, so blocksize is > 0. And 10*0 = 0. > > I think that this is not something we need to change, but it should be better > documented. Maybe not manpage (where it can be overlooked if not written to > every option using the size and it might be that it already is somewhere down > there), but an error message should warn the user in case of using b or s > suffix incorrectly. > > I'm open to suggestions for a better solution, though. > > UPDATE: > Add { and } to fix a gcc warning about ambigious else branch. > > Cheers, > Jan > --- > mkfs/xfs_mkfs.c | 22 ++++++++++++++++++---- > 1 file changed, 18 insertions(+), 4 deletions(-) > > diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c > index ed7800f..455bf11 100644 > --- a/mkfs/xfs_mkfs.c > +++ b/mkfs/xfs_mkfs.c > @@ -3614,10 +3614,24 @@ cvtnum( > if (sp[1] != '\0') > return -1LL; > > - if (*sp == 'b') > - return i * blksize; > - if (*sp == 's') > - return i * sectsize; > + if (*sp == 'b') { > + if (!blksize) { > + fprintf(stderr, > +_("Blocksize must be explicitly provided when using 'b' suffix.\n")); I'd fix the warning text a little bit, because: # mkfs.xfs -dfile,name=fsfile,size=128m -l su=10b -b size=4k Blocksize must be explicitly provided when using 'b' suffix. But I *did* provide it! No fair! ;) Perhaps: +_("Blocksize must be specified prior to using the 'b' suffix.\n")); and +_("Sectorsize must be specified prior to using the 's' suffix.\n")); ? (old mkfs said "blocksize not available yet." which is a bit cryptic as well, but at least we clearly have the same behavior now, just different messages.) -Eric > + usage(); > + } else { > + return i * blksize; > + } > + } > + if (*sp == 's') { > + if (!sectsize) { > + fprintf(stderr, > +_("Sectorsize must be explicitly provided when using 's' suffix.\n")); > + usage(); > + } else { > + return i * sectsize; > + } > + } > > c = tolower(*sp); > switch (c) { > From axboe@kernel.dk Thu Jun 9 11:06:12 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 191517CA0 for ; Thu, 9 Jun 2016 11:06:12 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id CEF348F8033 for ; Thu, 9 Jun 2016 09:06:08 -0700 (PDT) X-ASG-Debug-ID: 1465488366-04bdf0658000f80001-NocioJ Received: from mail-io0-f182.google.com (mail-io0-f182.google.com [209.85.223.182]) by cuda.sgi.com with ESMTP id cZYuGEftKC0TCyWc (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Thu, 09 Jun 2016 09:06:06 -0700 (PDT) X-Barracuda-Envelope-From: axboe@kernel.dk X-Barracuda-RBL-Trusted-Forwarder: 209.85.223.182 Received: by mail-io0-f182.google.com with SMTP id 5so42025415ioy.1 for ; Thu, 09 Jun 2016 09:06:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=gEjnzXH80ke3Z0QlPkKEkAYlOSZ2ssT1AlEiKc/dgLk=; b=S2D/NtJKMi78v5rYNGoaGIp6gYOA/77pr43nNpMHO/5xP1PIrDKifkt4cM6OiulSyH hDBzIjLuxuOOWcpBWoH15h0P5x4+Rr/8U6cXbz459tI0fCdSvuw/lA1aDpzfqJlftGCM eEo6XpBAajGm1N55HL0uYPnNybAmkf+mjXH51zWVGW3CkJuzI/zHH6OlswuNL6uxpLQz 3BwPNcSzWcqiyvHqoNhoBRC2UzAzkd1Ow6B8wjeC2/ZGe839xWl5mY4t5BKFa/gKTrjv r3BKeCGf+kqXnrsW8MIcREYNyY1MjqDB4GreP9q0KbJE07vYKxI4/DT8DqHUFNcEjMFT eM5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=gEjnzXH80ke3Z0QlPkKEkAYlOSZ2ssT1AlEiKc/dgLk=; b=QizdQL/PxmWyyg5elE9bAgj+uNQ3bdogK9J25orVb6vHxPTbkBgTZuAgsQ8jPWQleW fF+mnm9Juo5HPQzx34WpgRJ/7ska+Jr+5NJmg4+W5pqDvhSGut/uW/9U4RXNWgKsBo5v TE2VSz1rpy0adfOtOqEUJVnwKxJ/Dcicbc7+5lQGNP8w0kxY+ZPvcC6FEMrE0BMZat0Q xrQ2BKxEZNb1+vX+65D9UnNUi97FaMETI+Efn+vZYxWlRArIGFx2HybFPNAVobdDE774 eEXeHwstaegfhQ1yp47E1YkLqE7chJ7y07CDitkjQQoL6UtV836GsvubTuj7THS23y5b kLBw== X-Gm-Message-State: ALyK8tKAHUIcfYDi8fO7F3Ylzhl8CPuEY/p70FS/lAdqrwzEEmJUgplcBllIMlATMtCZEg== X-Received: by 10.107.153.71 with SMTP id b68mr19393747ioe.105.1465488365885; Thu, 09 Jun 2016 09:06:05 -0700 (PDT) Received: from [192.168.1.130] ([216.160.245.98]) by smtp.gmail.com with ESMTPSA id l123sm13825636ita.1.2016.06.09.09.06.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 09 Jun 2016 09:06:05 -0700 (PDT) Subject: Re: [PATCH v6 0/8] block: prepare for multipage bvecs X-Barracuda-BBL-IP: 192.168.1.130 To: Ming Lei , Jens Axboe , linux-kernel@vger.kernel.org X-ASG-Orig-Subj: Re: [PATCH v6 0/8] block: prepare for multipage bvecs References: <1464615294-9946-1-git-send-email-ming.lei@canonical.com> Cc: linux-block@vger.kernel.org, Christoph Hellwig , Al Viro , "open list:DRBD DRIVER" , Jan Kara , Joe Thornber , Keith Busch , Kent Overstreet , "Kirill A. Shutemov" , "Martin K. Petersen" , Michal Hocko , Mike Snitzer , NeilBrown , Sagi Grimberg , Shaohua Li , Steven Whitehouse , Tejun Heo , "open list:XFS FILESYSTEM" From: Jens Axboe Message-ID: <575993EA.3010005@kernel.dk> Date: Thu, 9 Jun 2016 10:06:02 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: <1464615294-9946-1-git-send-email-ming.lei@canonical.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-io0-f182.google.com[209.85.223.182] X-Barracuda-Start-Time: 1465488366 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 969 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On 05/30/2016 07:34 AM, Ming Lei wrote: > Hi, > > Interests[1] have been shown in multipage bvecs, so this patchset > try to prepare for the support and do two things: > > 1) the 1st 4 patches use bvec iterator to implement iterate_bvec(), > then we can drop the non-standard way for iterating bvec, which > can be thought as a good cleanup for lib/iov_iter.c > > 2) remove BIO_MAX_SECTORS and makre BIO_MAX_SIZE as obsolete, and > now there is only one user for each. Once multipage bvecs is introduced, > one bio may hold lots of sectors, and we should always use sort of > BIO_MAX_VECS which should be introduced in future and is similiar > with current BIO_MAX_PAGES. > > The only functional change is iterate_bvec():lib/iov_iter.c > > xfstests(-a auto) over loop aio is run for ext4/xfs to verify > the change and no regression found with this patchset. Added patches 1-7, still waiting for an answer on my reply to #8. -- Jens Axboe From sandeen@sandeen.net Thu Jun 9 11:23:16 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 241447CA4 for ; Thu, 9 Jun 2016 11:23:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id E8BDA8F8033 for ; Thu, 9 Jun 2016 09:23:15 -0700 (PDT) X-ASG-Debug-ID: 1465489392-04cbb03f52018b0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id pvkRiqyOLKk6NBTa for ; Thu, 09 Jun 2016 09:23:12 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id DEE934A6 for ; Thu, 9 Jun 2016 11:23:11 -0500 (CDT) Subject: Re: [PATCH] mkfs: test that -l su is a multiple of block size To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] mkfs: test that -l su is a multiple of block size References: <1465479700-14111-1-git-send-email-jtulak@redhat.com> From: Eric Sandeen Message-ID: <5f6ee8a0-b704-5aa6-ff67-f7a5f6761732@sandeen.net> Date: Thu, 9 Jun 2016 11:23:11 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1465479700-14111-1-git-send-email-jtulak@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465489392 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3133 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/9/16 8:41 AM, Jan Tulak wrote: > lsunit was already tested, but lsu was not. So a thing like -l su=4097 was > possible. This commit adds a check to fix it. > > Signed-off-by: Jan Tulak > --- > mkfs/xfs_mkfs.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c > index 455bf11..b9b50fe 100644 > --- a/mkfs/xfs_mkfs.c > +++ b/mkfs/xfs_mkfs.c > @@ -2875,6 +2875,15 @@ an AG size that is one stripe unit smaller, for example %llu.\n"), > lsunit = dsunit; > } > > + if (lsu) { > + if (lsu % blocksize != 0) { > + fprintf(stderr, > + _("log stripe unit (%d) must be a multiple of the block size (%d)\n"), > + lsu, blocksize); > + exit(1); > + } > + } > + Hm, I'm not quite seeing the behavior you say you're fixing; you give the example of -l su=4097, but: # mkfs/mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=4097 Illegal value 4097 for -l su option. value is too small So that's really not the relevant test case. And in these cases it is caught and does fail: # mkfs/mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=63k log stripe unit (64512) must be a multiple of the block size (4096) # mkfs/mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=64512 log stripe unit (64512) must be a multiple of the block size (4096) But in this case it does not: # mkfs/mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=16385 meta-data=fsfile isize=512 agcount=4, agsize=8192 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=0 data = bsize=4096 blocks=32768, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal log bsize=4096 blocks=552, version=2 = sectsz=512 sunit=4 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 So what's going on here...? It has something to do with how calc_stripe_factors() operates, and when that happens vs. the checks. lsu and lsunit are really specifying the same thing, just in different units. Your patch does fix it up, but I wonder if these tests are in the wrong place; with your patch we essentially do this: 1) Parse lsu value 2) Convert lsu to lsunit 3) Check lsunit (it's ok) 4) Go back and check lsu (it's not ok) It seems to me that we should recognize either lsu or lsunit as the "one true value" and convert the other to it as soon as possible, rather than carrying around both, and checking both at various times. calc_stripe_factors() does do some validity checks; perhaps it should check against blocksize multiples as well, so it's all in one place? And a comment about what that function is doing (converting su's to sunit's, really) would be helpful. What do you think? Your patch does resolve the problem but I think it adds a little more confusion to already confusing code. -Eric From sandeen@sandeen.net Thu Jun 9 11:36:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 13D9D7CA4 for ; Thu, 9 Jun 2016 11:36:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 910F9AC001 for ; Thu, 9 Jun 2016 09:36:24 -0700 (PDT) X-ASG-Debug-ID: 1465490182-04cb6c381604300001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id Q6pr2YTdVKfzUEPD for ; Thu, 09 Jun 2016 09:36:22 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 887814A6 for ; Thu, 9 Jun 2016 11:36:22 -0500 (CDT) To: xfs-oss From: Eric Sandeen Subject: [PATCH 0/4] xfs: online relabeling [RFC] Message-ID: X-ASG-Orig-Subj: [PATCH 0/4] xfs: online relabeling [RFC] Date: Thu, 9 Jun 2016 11:36:21 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465490182 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 680 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Ok, this more or less works; not really up to snuff for submission or merging, just sketching it out, but some questions first: 1) Is there really any point to this? :) We did have one request, and btrfs can do it ... 2) Is using m_growlock horrible? growfs is the only other thing that writes all supers, so I grabbed it. We don't want multiple relabels stepping on each other. 3) Is there some way to actually force the primary to disk? Right now the label change isn't actually visible on the primary until unmount, which defeats the purpose. I'm not sure if there's a straightforward/safe way to make it visible... Thanks, -Eric From sandeen@sandeen.net Thu Jun 9 11:38:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 03BC17CA0 for ; Thu, 9 Jun 2016 11:38:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 72631AC004 for ; Thu, 9 Jun 2016 09:38:43 -0700 (PDT) X-ASG-Debug-ID: 1465490321-04cb6c3816043d0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id qkSOkpu3grjoJPed for ; Thu, 09 Jun 2016 09:38:41 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 5F0504A6 for ; Thu, 9 Jun 2016 11:38:41 -0500 (CDT) Subject: [PATCH 1/4] fs: hoist [GS]ET_FSLABEL to vfs To: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 1/4] fs: hoist [GS]ET_FSLABEL to vfs References: From: Eric Sandeen Message-ID: Date: Thu, 9 Jun 2016 11:38:40 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465490321 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2321 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Move the btrfs label ioctls up to the vfs for general use. Signed-off-by: Eric Sandeen --- diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 053e677..b23be4e 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -5431,6 +5431,10 @@ long btrfs_ioctl(struct file *file, unsigned int return btrfs_ioctl_setflags(file, argp); case FS_IOC_GETVERSION: return btrfs_ioctl_getversion(file, argp); + case FS_IOC_GET_FSLABEL: + return btrfs_ioctl_get_fslabel(file, argp); + case FS_IOC_SET_FSLABEL: + return btrfs_ioctl_set_fslabel(file, argp); case FITRIM: return btrfs_ioctl_fitrim(file, argp); case BTRFS_IOC_SNAP_CREATE: @@ -5538,10 +5542,6 @@ long btrfs_ioctl(struct file *file, unsigned int return btrfs_ioctl_quota_rescan_wait(file, argp); case BTRFS_IOC_DEV_REPLACE: return btrfs_ioctl_dev_replace(root, argp); - case BTRFS_IOC_GET_FSLABEL: - return btrfs_ioctl_get_fslabel(file, argp); - case BTRFS_IOC_SET_FSLABEL: - return btrfs_ioctl_set_fslabel(file, argp); case BTRFS_IOC_GET_SUPPORTED_FEATURES: return btrfs_ioctl_get_supported_features(argp); case BTRFS_IOC_GET_FEATURES: diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index a079d50..fca64f2 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -234,6 +234,8 @@ struct fsxattr { #define FICLONERANGE _IOW(0x94, 13, struct file_clone_range) #define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range) +#define FSLABEL_MAX 256 /* Max chars for the interface; each fs may differ */ + #define FS_IOC_GETFLAGS _IOR('f', 1, long) #define FS_IOC_SETFLAGS _IOW('f', 2, long) #define FS_IOC_GETVERSION _IOR('v', 1, long) @@ -243,8 +245,10 @@ struct fsxattr { #define FS_IOC32_SETFLAGS _IOW('f', 2, int) #define FS_IOC32_GETVERSION _IOR('v', 1, int) #define FS_IOC32_SETVERSION _IOW('v', 2, int) -#define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) -#define FS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr) +#define FS_IOC_FSGETXATTR _IOR('X', 31, struct fsxattr) +#define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr) +#define FS_IOC_GET_FSLABEL _IOR(0x94, 49, char[FSLABEL_MAX]) +#define FS_IOC_SET_FSLABEL _IOW(0x94, 50, char[FSLABEL_MAX]) /* * File system encryption support From sandeen@sandeen.net Thu Jun 9 11:40:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 56CBD7CA6 for ; Thu, 9 Jun 2016 11:40:04 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2ACEB304039 for ; Thu, 9 Jun 2016 09:40:01 -0700 (PDT) X-ASG-Debug-ID: 1465490399-04cb6c381304460001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id XtoMUqgADzzrAlI1 for ; Thu, 09 Jun 2016 09:39:59 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 32D084A6 for ; Thu, 9 Jun 2016 11:39:59 -0500 (CDT) Subject: [PATCH 2/4] xfs: factor out secondary superblock updates To: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 2/4] xfs: factor out secondary superblock updates References: From: Eric Sandeen Message-ID: <35aeba74-5045-a00e-bb62-e7bdcd32fae8@sandeen.net> Date: Thu, 9 Jun 2016 11:39:58 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465490399 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5486 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- growfs rewrites all secondary supers, and relabel must do so as well; factor out the code which does this for use by both operations. Signed-off-by: Eric Sandeen --- fs/xfs/xfs_fsops.c | 131 +++++++++++++++++++++++++++++++--------------------- fs/xfs/xfs_fsops.h | 2 + 2 files changed, 80 insertions(+), 53 deletions(-) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index b4d7582..b49b4e4 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -140,6 +140,79 @@ xfs_growfs_get_hdr_buf( return bp; } +/* + * Copy the contents of the primary super to all backup supers. + * %agcount is current number of ags in the filesystem. + * %nagcount is used during growfs when we may have new secondaries. + * If %nagcount is 0 (no growfs), we use %agcount in its place. + */ +int +xfs_update_secondary_supers( + xfs_mount_t *mp, + xfs_agnumber_t agcount, + xfs_agnumber_t nagcount) +{ + int error, saved_error; + xfs_agnumber_t agno; + xfs_buf_t *bp; + + error = saved_error = 0; + + if (nagcount == 0) + nagcount = agcount; + + for (agno = 1; agno < nagcount; agno++) { + error = 0; + if (agno < agcount) { + error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, + XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)), + XFS_FSS_TO_BB(mp, 1), 0, &bp, + &xfs_sb_buf_ops); + } else { + /* + * new secondary superblocks need to be zeroed, not read + * from disk as the contents of the new area we are + * growing into is completely unknown. + */ + bp = xfs_trans_get_buf(NULL, mp->m_ddev_targp, + XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)), + XFS_FSS_TO_BB(mp, 1), 0); + if (bp) { + bp->b_ops = &xfs_sb_buf_ops; + xfs_buf_zero(bp, 0, BBTOB(bp->b_length)); + } else + error = -ENOMEM; + } + + /* + * If we get an error reading or writing alternate superblocks, + * continue. xfs_repair chooses the "best" superblock based + * on most matches; if we break early, we'll leave more + * superblocks un-updated than updated, and xfs_repair may + * pick them over the properly-updated primary. + */ + if (error) { + xfs_warn(mp, + "error %d reading secondary superblock for ag %d", + error, agno); + saved_error = error; + continue; + } + xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb); + + error = xfs_bwrite(bp); + xfs_buf_relse(bp); + if (error) { + xfs_warn(mp, + "write error %d updating secondary superblock for ag %d", + error, agno); + saved_error = error; + continue; + } + } + return saved_error ? saved_error : error; +} + static int xfs_growfs_data_private( xfs_mount_t *mp, /* mount point for filesystem */ @@ -155,7 +228,7 @@ xfs_growfs_data_private( xfs_buf_t *bp; int bucket; int dpct; - int error, saved_error = 0; + int error; xfs_agnumber_t nagcount; xfs_agnumber_t nagimax = 0; xfs_rfsblock_t nb, nb_mod; @@ -502,59 +575,11 @@ xfs_growfs_data_private( mp->m_maxicount = 0; xfs_set_low_space_thresholds(mp); - /* update secondary superblocks. */ - for (agno = 1; agno < nagcount; agno++) { - error = 0; - /* - * new secondary superblocks need to be zeroed, not read from - * disk as the contents of the new area we are growing into is - * completely unknown. - */ - if (agno < oagcount) { - error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, - XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)), - XFS_FSS_TO_BB(mp, 1), 0, &bp, - &xfs_sb_buf_ops); - } else { - bp = xfs_trans_get_buf(NULL, mp->m_ddev_targp, - XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)), - XFS_FSS_TO_BB(mp, 1), 0); - if (bp) { - bp->b_ops = &xfs_sb_buf_ops; - xfs_buf_zero(bp, 0, BBTOB(bp->b_length)); - } else - error = -ENOMEM; - } - - /* - * If we get an error reading or writing alternate superblocks, - * continue. xfs_repair chooses the "best" superblock based - * on most matches; if we break early, we'll leave more - * superblocks un-updated than updated, and xfs_repair may - * pick them over the properly-updated primary. - */ - if (error) { - xfs_warn(mp, - "error %d reading secondary superblock for ag %d", - error, agno); - saved_error = error; - continue; - } - xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb); - - error = xfs_bwrite(bp); - xfs_buf_relse(bp); - if (error) { - xfs_warn(mp, - "write error %d updating secondary superblock for ag %d", - error, agno); - saved_error = error; - continue; - } - } - return saved_error ? saved_error : error; + /* Copy new geometry to all backup superblocks */ + error = xfs_update_secondary_supers(mp, oagcount, nagcount); + return error; - error0: +error0: xfs_trans_cancel(tp); return error; } diff --git a/fs/xfs/xfs_fsops.h b/fs/xfs/xfs_fsops.h index f32713f..82e8dc7 100644 --- a/fs/xfs/xfs_fsops.h +++ b/fs/xfs/xfs_fsops.h @@ -19,6 +19,8 @@ #define __XFS_FSOPS_H__ extern int xfs_fs_geometry(xfs_mount_t *mp, xfs_fsop_geom_t *geo, int nversion); +extern int xfs_update_secondary_supers(xfs_mount_t *mp, xfs_agnumber_t aogcount, + xfs_agnumber_t nagcount); extern int xfs_growfs_data(xfs_mount_t *mp, xfs_growfs_data_t *in); extern int xfs_growfs_log(xfs_mount_t *mp, xfs_growfs_log_t *in); extern int xfs_fs_counts(xfs_mount_t *mp, xfs_fsop_counts_t *cnt); -- 1.7.1 From sandeen@sandeen.net Thu Jun 9 11:41:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EF7907CA2 for ; Thu, 9 Jun 2016 11:41:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id C27AE8F8035 for ; Thu, 9 Jun 2016 09:41:09 -0700 (PDT) X-ASG-Debug-ID: 1465490468-04cbb03f5502360001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id iaXhTCgj2aeEiIWb for ; Thu, 09 Jun 2016 09:41:08 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 00FC54A6 for ; Thu, 9 Jun 2016 11:41:08 -0500 (CDT) Subject: [PATCH 3/4] xfs: implement online get/set fs label To: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 3/4] xfs: implement online get/set fs label References: From: Eric Sandeen Message-ID: <67255993-9730-2872-675f-ac5cb518a338@sandeen.net> Date: Thu, 9 Jun 2016 11:41:07 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465490468 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2593 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Wire up label ioctls for XFS. Signed-off-by: Eric Sandeen --- This is where the implementation questions come in; is using growlock an abomination? How can I make the primary super change immediately visible? fs/xfs/xfs_ioctl.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 62 insertions(+), 0 deletions(-) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index dbca737..ab59213 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -41,6 +41,8 @@ #include "xfs_trans.h" #include "xfs_pnfs.h" #include "xfs_acl.h" +#include "xfs_log.h" +#include "xfs_sb.h" #include #include @@ -1603,6 +1605,62 @@ xfs_ioc_swapext( return error; } +static int +xfs_ioc_getlabel( + struct xfs_mount *mp, + char __user *label) +{ + int error = 0; + struct xfs_sb *sbp = &mp->m_sb; + + if (!mutex_trylock(&mp->m_growlock)) + return -EWOULDBLOCK; + if (copy_to_user(label, sbp->sb_fname, sizeof(sbp->sb_fname))) + error = -EFAULT; + mutex_unlock(&mp->m_growlock); + return error; +} + +static int +xfs_ioc_setlabel( + struct file *filp, + struct xfs_mount *mp, + char __user *newlabel) +{ + int error; + struct xfs_sb *sbp = &mp->m_sb; + char sb_fname[12]; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + if (copy_from_user(sb_fname, newlabel, sizeof(sb_fname))) + return -EFAULT; + + error = mnt_want_write_file(filp); + if (error) + return error; + + /* growfs & label both muck w/ the super directly... */ + if (!mutex_trylock(&mp->m_growlock)) + return -EWOULDBLOCK; + memset(sbp->sb_fname, 0, sizeof(sbp->sb_fname)); + strncpy(sbp->sb_fname, sb_fname, sizeof(sbp->sb_fname)); + + error = xfs_sync_sb(mp, true); + if (error) + goto out; + /* + * Most kernelspace superblock updates only update sb 0. + * Userspace relabel has always updated all, though, so: + */ + error = xfs_update_secondary_supers(mp, sbp->sb_agcount, 0); +out: + mutex_unlock(&mp->m_growlock); + mnt_drop_write_file(filp); + return error; +} + /* * Note: some of the ioctl's return positive numbers as a * byte count indicating success, such as readlink_by_handle. @@ -1630,6 +1688,10 @@ xfs_file_ioctl( switch (cmd) { case FITRIM: return xfs_ioc_trim(mp, arg); + case FS_IOC_GET_FSLABEL: + return xfs_ioc_getlabel(mp, arg); + case FS_IOC_SET_FSLABEL: + return xfs_ioc_setlabel(filp, mp, arg); case XFS_IOC_ALLOCSP: case XFS_IOC_FREESP: case XFS_IOC_RESVSP: -- 1.7.1 From tibbs@math.uh.edu Thu Jun 9 11:43:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9F6567CA2 for ; Thu, 9 Jun 2016 11:43:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 734658F8035 for ; Thu, 9 Jun 2016 09:43:15 -0700 (PDT) X-ASG-Debug-ID: 1465490592-04cb6c3815045a0001-NocioJ Received: from mx2.math.uh.edu (mx2.math.uh.edu [129.7.128.33]) by cuda.sgi.com with ESMTP id mrhk8SBcR83Q8FQF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 09 Jun 2016 09:43:12 -0700 (PDT) X-Barracuda-Envelope-From: tibbs@math.uh.edu X-Barracuda-Effective-Source-IP: mx2.math.uh.edu[129.7.128.33] X-Barracuda-Apparent-Source-IP: 129.7.128.33 Received: from epithumia.math.uh.edu ([129.7.128.2]) by mx2.math.uh.edu with esmtp (Exim 4.86_2) (envelope-from ) id 1bB331-0005fW-JB for xfs@oss.sgi.com; Thu, 09 Jun 2016 11:43:12 -0500 Received: by epithumia.math.uh.edu (Postfix, from userid 7225) id 88D0B6A7; Thu, 9 Jun 2016 11:43:11 -0500 (CDT) From: Jason L Tibbitts III To: xfs@oss.sgi.com Subject: xfsaild 20 wakeups per second Date: Thu, 09 Jun 2016 11:43:11 -0500 X-ASG-Orig-Subj: xfsaild 20 wakeups per second Message-ID: User-Agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Barracuda-Connect: mx2.math.uh.edu[129.7.128.33] X-Barracuda-Start-Time: 1465490592 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 602 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- I was tuning the power consumption of my new laptop and noticed that each xfsaild process is still waking up 20 times per second. I found http://oss.sgi.com/archives/xfs/2012-03/msg00237.html which I think indicates that this was a workaround for some other issue and wouldn't be permanent. Unfortunately that was 4+ years ago. I wasn't able to locate any other discussion about the topic. Was it determined that the wakeups were going to have to stay permanently? Or was the issue just not revisited? And if the former, is there a way to tune the wakeup frequency in any way? - J< From sandeen@sandeen.net Thu Jun 9 11:44:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5A04F7CA2 for ; Thu, 9 Jun 2016 11:44:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C8BF5AC001 for ; Thu, 9 Jun 2016 09:44:38 -0700 (PDT) X-ASG-Debug-ID: 1465490676-04cbb03f5402510001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id rIGcBhl5ScUZ9k65 for ; Thu, 09 Jun 2016 09:44:36 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id E6C074A6 for ; Thu, 9 Jun 2016 11:44:35 -0500 (CDT) Subject: [PATCH 4/4] xfsprogs: add online relabel commands To: xfs@oss.sgi.com X-ASG-Orig-Subj: [PATCH 4/4] xfsprogs: add online relabel commands References: From: Eric Sandeen Message-ID: <0d905426-649e-278a-1e85-6dca646cb812@sandeen.net> Date: Thu, 9 Jun 2016 11:44:35 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465490676 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5244 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.50 X-Barracuda-Spam-Status: No, SCORE=0.50 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0713 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.50 BSF_SC0_MV0713 Custom rule MV0713 This adds a get/set label command to xfs_io, and updates the xfs_admin script to use it rather than xfs_db if the filesystem is mounted. Signed-off-by: Eric Sandeen --- Still needs a man page update. The new xfs_io command is: # xfs_io> label [newlabel] The hack to flush the bdev is maybe not right, I'm not sure xfs has actually gotten the change out to sector 0 yet at this point... diff --git a/db/xfs_admin.sh b/db/xfs_admin.sh index d42446b..02485b0 100755 --- a/db/xfs_admin.sh +++ b/db/xfs_admin.sh @@ -16,7 +16,7 @@ do f) DB_OPTS=$DB_OPTS" -f";; j) DB_OPTS=$DB_OPTS" -c 'version log2'";; l) DB_OPTS=$DB_OPTS" -r -c label";; - L) DB_OPTS=$DB_OPTS" -c 'label "$OPTARG"'";; + L) LABEL_OPT=$OPTARG;; p) DB_OPTS=$DB_OPTS" -c 'version projid32bit'";; u) DB_OPTS=$DB_OPTS" -r -c uuid";; U) DB_OPTS=$DB_OPTS" -c 'uuid "$OPTARG"'";; @@ -32,10 +32,18 @@ done set -- extra $@ shift $OPTIND case $# in - 1) if [ -n "$DB_OPTS" ] + 1) DIR=`grep -w $1 /proc/mounts | awk '{print $2}'` + if [ -n "$LABEL_OPT" -a -n "$DIR" ] then - eval xfs_db -x -p xfs_admin $DB_OPTS $1 + eval io/xfs_io -c "'label $LABEL_OPT'" $DIR status=$? + else + DB_OPTS=$DB_OPTS" -c 'label "$LABEL_OPT"'" + fi + if [ -n "$DB_OPTS" ] + then + eval db/xfs_db -x -p xfs_admin $DB_OPTS $1 + status=`expr $? + $status` fi if [ -n "$REPAIR_OPTS" ] then diff --git a/io/Makefile b/io/Makefile index 0b53f41..8f46340 100644 --- a/io/Makefile +++ b/io/Makefile @@ -9,9 +9,9 @@ LTCOMMAND = xfs_io LSRCFILES = xfs_bmap.sh xfs_freeze.sh xfs_mkfile.sh HFILES = init.h io.h CFILES = init.c \ - attr.c bmap.c file.c freeze.c fsync.c getrusage.c imap.c link.c \ - mmap.c open.c parent.c pread.c prealloc.c pwrite.c seek.c shutdown.c \ - sync.c truncate.c reflink.c + attr.c bmap.c file.c freeze.c fsync.c getrusage.c imap.c label.c \ + link.c mmap.c open.c parent.c pread.c prealloc.c pwrite.c seek.c \ + shutdown.c sync.c truncate.c reflink.c LLDLIBS = $(LIBXCMD) $(LIBHANDLE) LTDEPENDENCIES = $(LIBXCMD) $(LIBHANDLE) diff --git a/io/init.c b/io/init.c index 51f1f5c..0c08a57 100644 --- a/io/init.c +++ b/io/init.c @@ -65,6 +65,7 @@ init_commands(void) help_init(); imap_init(); inject_init(); + label_init(); seek_init(); madvise_init(); mincore_init(); diff --git a/io/io.h b/io/io.h index 172b1f8..560ad52 100644 --- a/io/io.h +++ b/io/io.h @@ -102,6 +102,7 @@ extern void getrusage_init(void); extern void help_init(void); extern void imap_init(void); extern void inject_init(void); +extern void label_init(void); extern void mmap_init(void); extern void open_init(void); extern void parent_init(void); diff --git a/io/label.c b/io/label.c new file mode 100644 index 0000000..721f27b --- /dev/null +++ b/io/label.c @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2016 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include "platform_defs.h" +#include "libxfs.h" +#include "path.h" +#include "command.h" +#include "init.h" +#include "io.h" + +#ifndef FS_IOC_GET_FSLABEL +#define FSLABEL_MAX 256 /* Max chars for the interface; each fs may differ */ +#define FS_IOC_GET_FSLABEL _IOR(0x94, 49, char[FSLABEL_MAX]) +#define FS_IOC_SET_FSLABEL _IOW(0x94, 50, char[FSLABEL_MAX]) +#endif + +static cmdinfo_t label_cmd; + +static int +label_f( + int argc, + char **argv) +{ + int error; + char label[FSLABEL_MAX]; + + if (argc == 1) { + memset(&label, 0, sizeof(label)); + error = ioctl(file->fd, FS_IOC_GET_FSLABEL, &label); + } else { + fs_path_t *fs; /* mount point information */ + int fd; + + strncpy(label, argv[1], sizeof(label)); + error = ioctl(file->fd, FS_IOC_SET_FSLABEL, &label); + /* best effort to flush bdev cache */ + fs_table_initialise(0, NULL, 0, NULL); + fs = fs_table_lookup(file->name, FS_MOUNT_POINT); + if (fs) { + fd = open(fs->fs_name, O_RDONLY); + if (fd >= 0) { + ioctl(fd, BLKFLSBUF, 0); + close(fd); + } + } + } + + if (error) + perror("label:"); + else + printf("label = \"%s\"\n", label); + + return error; + +} + +void +label_init(void) +{ + label_cmd.name = "label"; + label_cmd.cfunc = label_f; + label_cmd.argmin = 0; + label_cmd.argmax = 1; + label_cmd.args = _("[label]"); + label_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK; + label_cmd.oneline = + _("queries or sets the filesystem label while mounted"); + + add_command(&label_cmd); +} From sandeen@sandeen.net Thu Jun 9 11:51:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8C5EB7CA7 for ; Thu, 9 Jun 2016 11:51:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 517D48F8035 for ; Thu, 9 Jun 2016 09:51:15 -0700 (PDT) X-ASG-Debug-ID: 1465491073-04cb6c381404940001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id uLjVndBJqwn3GEN8 for ; Thu, 09 Jun 2016 09:51:13 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 620A84A6 for ; Thu, 9 Jun 2016 11:51:13 -0500 (CDT) Subject: Re: [PATCH 0/4] xfs: online relabeling [RFC] To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH 0/4] xfs: online relabeling [RFC] References: From: Eric Sandeen Message-ID: <2305b486-f336-6d1e-9420-b69dc5bdc572@sandeen.net> Date: Thu, 9 Jun 2016 11:51:12 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465491073 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1428 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/9/16 11:36 AM, Eric Sandeen wrote: > Ok, this more or less works; not really up to snuff > for submission or merging, just sketching it out, but some > questions first: > > 1) Is there really any point to this? :) We did have one > request, and btrfs can do it ... > > 2) Is using m_growlock horrible? growfs is the only other > thing that writes all supers, so I grabbed it. We don't > want multiple relabels stepping on each other. > > 3) Is there some way to actually force the primary to disk? > Right now the label change isn't actually visible on the > primary until unmount, which defeats the purpose. I'm not > sure if there's a straightforward/safe way to make it > visible... Oh, sorry - I guess it is getting written out, but it's only available via an O_DIRECT read from userspace; it's not invalidating the cache. # io/xfs_io -c "label derp" /mnt/test label = "derp" # dd if=/dev/sdb2 bs=512 count=1 | hexdump -C ... 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 66 6f 6f 00 |............foo.| ... # dd if=/dev/sdb2 iflag=direct bs=512 count=1 | hexdump -C ... 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 64 65 72 70 |............derp| ... # dd if=/dev/sdb2 bs=512 count=1 | hexdump -C ... 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 66 6f 6f 00 |............foo.| ... Guess I need to think about this some more. -Eric From original-tl-headlamp-xfs=oss.sgi.com@christophercouto.com Thu Jun 9 12:08:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=5.0 tests=HTML_IMAGE_RATIO_02, HTML_MESSAGE,MIME_QP_LONG_LINE,T_DKIM_INVALID,T_REMOTE_IMAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7544C7CA0 for ; Thu, 9 Jun 2016 12:08:32 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 29CA38F8033 for ; Thu, 9 Jun 2016 10:08:29 -0700 (PDT) X-ASG-Debug-ID: 1465492090-04bdf0657f02c70001-NocioJ Received: from mail.christophercouto.com (nat207.web.ntrra.com [94.156.145.207]) by cuda.sgi.com with ESMTP id Ba2aw2BcSlCZtcbK for ; Thu, 09 Jun 2016 10:08:11 -0700 (PDT) X-Barracuda-Envelope-From: original-tl-headlamp-xfs=oss.sgi.com@christophercouto.com X-Barracuda-Effective-Source-IP: nat207.web.ntrra.com[94.156.145.207] X-Barracuda-Apparent-Source-IP: 94.156.145.207 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; s=dkim; d=christophercouto.com; h=Date:From:To:Subject:MIME-Version:Content-Type:List-Unsubscribe:Message-ID; i=original-tl-headlamp@christophercouto.com; bh=UmjnV4zlTs+KfdChJf9yd1cI4t8=; b=cHuFKwGv9nH8CBTUpZ4bZYO+/gnfyt1MpWPxFvSXOnvUdPPlSzsEFPJfY6hhkbP0jQtarHKV/0y5 SHZpy9bcJFix9cCW6Job85WAa7LLHRLiS4J1M7yimuWMldJ3a2nd9vcOFEYULIfB21AFfppEPZ+g m5yBSvvpaGVcmwaktYw= DomainKey-Signature: a=rsa-sha1; c=nofws; q=dns; s=dkim; d=christophercouto.com; b=Y5kBUgc5vkEWG5FdBd414vb8pIEmtCeVz56s4+iC4LJG0U6b/RlZJAkMR0YeyF4ua+hmyeuhBSi4 azSdAoANEP7Fe3wujZlSLLyBEuzAckcPo2xlOQzipkZRsfKgpr0tPOPk2RB2bZvqA52EjjvM1PRI W6mxf+OZuWPC0VRjHZo=; Received: by mail.christophercouto.com id hb6h7o0001g3 for ; Thu, 9 Jun 2016 12:05:48 -0500 (envelope-from ) Date: Thu, 9 Jun 2016 12:05:48 -0500 From: "Original TL Headlamp" To: Subject: Summers Approaching, Are You Equipped? MIME-Version: 1.0 X-ASG-Orig-Subj: Summers Approaching, Are You Equipped? 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=20 =20 ------=_Part_496_1115618197.1465491945951-- From bfoster@redhat.com Thu Jun 9 12:19:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D218A7CA3 for ; Thu, 9 Jun 2016 12:19:06 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4CC5AAC001 for ; Thu, 9 Jun 2016 10:19:03 -0700 (PDT) X-ASG-Debug-ID: 1465492741-04cb6c381405390001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id gTLl2rD6hj2HWpEn (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 09 Jun 2016 10:19:02 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 59E9EC04B33C; Thu, 9 Jun 2016 17:19:01 +0000 (UTC) Received: from laptop.bfoster (vpn-59-59.rdu2.redhat.com [10.10.59.59]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u59HIwxZ029342 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 9 Jun 2016 13:19:00 -0400 Date: Thu, 9 Jun 2016 13:18:57 -0400 From: Brian Foster To: Jason L Tibbitts III Cc: xfs@oss.sgi.com Subject: Re: xfsaild 20 wakeups per second Message-ID: <20160609171857.GA9052@laptop.bfoster> X-ASG-Orig-Subj: Re: xfsaild 20 wakeups per second References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 09 Jun 2016 17:19:01 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465492741 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1093 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 09, 2016 at 11:43:11AM -0500, Jason L Tibbitts III wrote: > I was tuning the power consumption of my new laptop and noticed that > each xfsaild process is still waking up 20 times per second. I found > http://oss.sgi.com/archives/xfs/2012-03/msg00237.html which I think > indicates that this was a workaround for some other issue and wouldn't > be permanent. Unfortunately that was 4+ years ago. I wasn't able to > locate any other discussion about the topic. > > Was it determined that the wakeups were going to have to stay > permanently? Or was the issue just not revisited? And if the former, > is there a way to tune the wakeup frequency in any way? > The short answer is that the wakeups are probably going to be around for the immediate future. There was some recent discussion on this here (see the follow up thread to the patch): http://oss.sgi.com/pipermail/xfs/2016-April/048526.html Brian > - J< > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Thu Jun 9 12:46:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BD80F7CA0 for ; Thu, 9 Jun 2016 12:46:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 47D16AC002 for ; Thu, 9 Jun 2016 10:46:02 -0700 (PDT) X-ASG-Debug-ID: 1465494360-04bdf0658203ca0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id J4D8igDfQvuT0CWG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 09 Jun 2016 10:46:00 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u59Hjuh2004284 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 9 Jun 2016 17:45:57 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u59Hjuol010984 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 9 Jun 2016 17:45:56 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u59Hjrfx020507; Thu, 9 Jun 2016 17:45:54 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 09 Jun 2016 10:45:53 -0700 Date: Thu, 9 Jun 2016 10:45:51 -0700 From: "Darrick J. Wong" To: Christoph Hellwig Cc: Dave Chinner , xfs@oss.sgi.com Subject: Re: [RFC] allow enabling reflinks at runtime Message-ID: <20160609174551.GD10371@birch.djwong.org> X-ASG-Orig-Subj: Re: [RFC] allow enabling reflinks at runtime References: <1464877150-20457-1-git-send-email-hch@lst.de> <20160602225415.GP12670@dastard> <20160608071130.GB24663@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160608071130.GB24663@lst.de> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1465494360 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1486 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30300 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Wed, Jun 08, 2016 at 09:11:30AM +0200, Christoph Hellwig wrote: > On Fri, Jun 03, 2016 at 08:54:15AM +1000, Dave Chinner wrote: > > On Thu, Jun 02, 2016 at 04:19:07PM +0200, Christoph Hellwig wrote: > > > I've had some vocal user requests to allow enabling reflinks at run time, > > > which happens to be a mostly trivial feature. The only caveat is that we > > > need a large enough log size to support the reflink requirements, but for > > > typical large file systems that's not an issue. > > > > Hmmm - how does this interact with all the rmap code? I was not > > planning on enabling reflink without rmap and vice versa simply > > because it makes the validation and testing matrix vastly more > > complex. > > Uh. So far I've only been testing pure reflink code, mostly because > rmap really doesn't buy much for the use case I'm working on. So far I've mostly been testing with mkfs.xfs -i sparse=1 -m rmapbt=1,reflink=1 on the assumption that sparse will get turned on soon and that it might help a lot in the post-COW fragmentation world. (Hoping that the cowextsize defaults avoid most of the horrifying fragmentation that we see on the second- and last-letter filesystems.) > Enabling rmap post-mkfs is defintively a different ballpark, and probably > not worth it even if it would be doable. Hughflgrgh. I wasn't even going to consider /that/ possibility. :) (I guess you could flip on the feature bit and run xfs_repair...) --D From tibbs@math.uh.edu Thu Jun 9 13:08:30 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8A1877CAF for ; Thu, 9 Jun 2016 13:08:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 04522AC002 for ; Thu, 9 Jun 2016 11:08:26 -0700 (PDT) X-ASG-Debug-ID: 1465495704-04cb6c381606840001-NocioJ Received: from mx1.math.uh.edu (mx1.math.uh.edu [129.7.128.32]) by cuda.sgi.com with ESMTP id G4xM51c4NzvDe2kU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 09 Jun 2016 11:08:24 -0700 (PDT) X-Barracuda-Envelope-From: tibbs@math.uh.edu X-Barracuda-Effective-Source-IP: mx1.math.uh.edu[129.7.128.32] X-Barracuda-Apparent-Source-IP: 129.7.128.32 Received: from epithumia.math.uh.edu ([129.7.128.2]) by mx1.math.uh.edu with esmtp (Exim 4.86_2) (envelope-from ) id 1bB4NT-0000vx-Fg; Thu, 09 Jun 2016 13:08:24 -0500 Received: by epithumia.math.uh.edu (Postfix, from userid 7225) id 6B50D467; Thu, 9 Jun 2016 13:08:23 -0500 (CDT) From: Jason L Tibbitts III To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: xfsaild 20 wakeups per second References: <20160609171857.GA9052@laptop.bfoster> X-ASG-Orig-Subj: Re: xfsaild 20 wakeups per second Date: Thu, 09 Jun 2016 13:08:23 -0500 In-Reply-To: <20160609171857.GA9052@laptop.bfoster> (Brian Foster's message of "Thu, 9 Jun 2016 13:18:57 -0400") Message-ID: User-Agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Barracuda-Connect: mx1.math.uh.edu[129.7.128.32] X-Barracuda-Start-Time: 1465495704 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 351 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30301 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header >>>>> "BF" == Brian Foster writes: BF> There was some recent discussion on this here (see the follow up BF> thread to the patch): Ah. Sorry about bringing that back up; I just joined and I wasn't using the right search terms to find the previous thread in the archives. At least I now know what's happening. - J< From david@fromorbit.com Thu Jun 9 17:58:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 624757CA0 for ; Thu, 9 Jun 2016 17:58:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 27FFC304051 for ; Thu, 9 Jun 2016 15:58:05 -0700 (PDT) X-ASG-Debug-ID: 1465513082-04cbb03f540ee20001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id VCqdc3pojoWjmSH0 for ; Thu, 09 Jun 2016 15:58:02 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjgKAJPzWVd5LDgrN2dsb2JhbABegz6BU4J2g3mfWwEBAQEBAQaMMYYEhAmGDQQCAoE7TQEBAQEBAQcBAQEBQkCERgEBBDocMwgDGAklDwUlAwcbEoguvl4xHoVBhRWKGgEEmFWOHY8qj2WCWxyBXSoyiggBAQE Received: from ppp121-44-56-43.lns20.syd4.internode.on.net (HELO dastard) ([121.44.56.43]) by ipmail06.adl2.internode.on.net with ESMTP; 10 Jun 2016 08:28:00 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bB8tS-0004tS-LN; Fri, 10 Jun 2016 08:57:42 +1000 Date: Fri, 10 Jun 2016 08:57:42 +1000 From: Dave Chinner To: xfs@oss.sgi.com, hch@infradead.org Subject: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time Message-ID: <20160609225742.GZ26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: add an option to enable reflinks at mount time References: <1464877150-20457-1-git-send-email-hch@lst.de> <1464877150-20457-4-git-send-email-hch@lst.de> <20160606112342.GB23695@redhat.com> <20160608070459.GC18458@infradead.org> <20160608080703.GA8987@redhat.com> <20160608081007.GB8987@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160608081007.GB8987@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1465513082 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 918 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30310 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On Wed, Jun 08, 2016 at 10:10:07AM +0200, Carlos Maiolino wrote: > On Wed, Jun 08, 2016 at 10:07:03AM +0200, Carlos Maiolino wrote: > > On Wed, Jun 08, 2016 at 12:04:59AM -0700, Christoph Hellwig wrote: > > > Yes, the comment is wrong. Any reason you didn't include me in the > > > reply? Also it seems your reply-to also magically drops you > > > from the reply. Are you using a new mailer? :) > > > > No, no reason, I missed to CC you. Maybe my CTRL-L list-reply in mutt screwed up > > with the destination fields, I should come back to group replies, thanks for the > > heads up :) > > Oh crap, I did it again, ok, no more list-reply for me If you are using mutt, then just use "g" for group reply. I've never used anything else - it just does the right thing. I didn't even know that "list-reply" was something that people used.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Jun 9 18:33:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2CA237CA0 for ; Thu, 9 Jun 2016 18:33:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 01F6D8F8033 for ; Thu, 9 Jun 2016 16:33:49 -0700 (PDT) X-ASG-Debug-ID: 1465515227-04cbb03f550fe70001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id wdExOUKWcL6TeqB6 for ; Thu, 09 Jun 2016 16:33:47 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AjYKAMb7WVd5LDgrN2dsb2JhbABdgz6BU4J2g3mfXQEBAQEBAQaMMYoNhg0EAgKBN00BAQEBAQEHAQEBAUJAhEYBAQQ6HCMQCAMOCgklDwUlAwcaE4guvlABAQEBBgIBJB6FQYUVh2yCLgWYVY4djyqPZYRUKjKIRiuBFwEBAQ Received: from ppp121-44-56-43.lns20.syd4.internode.on.net (HELO dastard) ([121.44.56.43]) by ipmail06.adl2.internode.on.net with ESMTP; 10 Jun 2016 09:03:46 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bB9SK-0004wz-5R; Fri, 10 Jun 2016 09:33:44 +1000 Date: Fri, 10 Jun 2016 09:33:44 +1000 From: Dave Chinner To: Christoph Hellwig Cc: darrick.wong@oracle.com, xfs@oss.sgi.com Subject: Re: [RFC] allow enabling reflinks at runtime Message-ID: <20160609233344.GA26977@dastard> X-ASG-Orig-Subj: Re: [RFC] allow enabling reflinks at runtime References: <1464877150-20457-1-git-send-email-hch@lst.de> <20160602225415.GP12670@dastard> <20160608071130.GB24663@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160608071130.GB24663@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1465515227 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2101 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30311 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 08, 2016 at 09:11:30AM +0200, Christoph Hellwig wrote: > On Fri, Jun 03, 2016 at 08:54:15AM +1000, Dave Chinner wrote: > > On Thu, Jun 02, 2016 at 04:19:07PM +0200, Christoph Hellwig wrote: > > > I've had some vocal user requests to allow enabling reflinks at run time, > > > which happens to be a mostly trivial feature. The only caveat is that we > > > need a large enough log size to support the reflink requirements, but for > > > typical large file systems that's not an issue. > > > > Hmmm - how does this interact with all the rmap code? I was not > > planning on enabling reflink without rmap and vice versa simply > > because it makes the validation and testing matrix vastly more > > complex. > > Uh. So far I've only been testing pure reflink code, mostly because > rmap really doesn't buy much for the use case I'm working on. > Enabling rmap post-mkfs is defintively a different ballpark, and probably > not worth it even if it would be doable. Wasn't expecting rmap to ever be dynamically enabled ;) So ignoring the testing side of things, and looking more at the implementation of the enabling, I'm not sure I really like the idea of doing this via a mount option. Because we've got to make significant additions to the on disk format in each AG, this seems more like a "growfs style" operation than anything. i.e. lock out allocation, add all the structures to the AG headers and allocate all the blocks needed, re-initialise the per-ag structures with all the necessary info, then switch on the feature bit and commit the change. It's probably a little more intricate than doing it at mount time, but it gets around the fact that users have to add a mount option and bounce the filesystem to turn on reflinks. I can see this being much easier than a mount option in some situations, (e.g. for the root filesystem), and I don't think it's much harder to test than the mount option (e.g. the way growfs is tested under stress by xfs/104)... Your thoughts, Christoph? Cheers, Dave. -- Dave Chinner david@fromorbit.com From ming.lei@canonical.com Thu Jun 9 21:44:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A92297CA0 for ; Thu, 9 Jun 2016 21:44:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6D9C48F8033 for ; Thu, 9 Jun 2016 19:44:42 -0700 (PDT) X-ASG-Debug-ID: 1465526676-04cb6c381513210001-NocioJ Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by cuda.sgi.com with ESMTP id zPuYDNbusCE4vH2Q (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 09 Jun 2016 19:44:37 -0700 (PDT) X-Barracuda-Envelope-From: ming.lei@canonical.com X-Barracuda-Effective-Source-IP: youngberry.canonical.com[91.189.89.112] X-Barracuda-Apparent-Source-IP: 91.189.89.112 Received: from mail-yw0-f173.google.com ([209.85.161.173]) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1bBCR2-00075J-9V for xfs@oss.sgi.com; Fri, 10 Jun 2016 02:44:36 +0000 Received: by mail-yw0-f173.google.com with SMTP id z186so36952788ywd.2 for ; Thu, 09 Jun 2016 19:44:36 -0700 (PDT) X-Gm-Message-State: ALyK8tJASslx2kbMnnUrzITAGhI1IhIAaYfP3MYDByG6N43t1orLJPOGGDXRV7GFL/FVdxq4WHsS97JTGD8OxA== X-Received: by 10.37.217.3 with SMTP id q3mr7198950ybg.127.1465526675324; Thu, 09 Jun 2016 19:44:35 -0700 (PDT) MIME-Version: 1.0 Received: by 10.37.216.78 with HTTP; Thu, 9 Jun 2016 19:44:34 -0700 (PDT) In-Reply-To: <575993EA.3010005@kernel.dk> References: <1464615294-9946-1-git-send-email-ming.lei@canonical.com> <575993EA.3010005@kernel.dk> From: Ming Lei Date: Fri, 10 Jun 2016 10:44:34 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v6 0/8] block: prepare for multipage bvecs To: Jens Axboe X-ASG-Orig-Subj: Re: [PATCH v6 0/8] block: prepare for multipage bvecs Cc: Jens Axboe , Linux Kernel Mailing List , linux-block@vger.kernel.org, Christoph Hellwig , Al Viro , "open list:DRBD DRIVER" , Jan Kara , Joe Thornber , Keith Busch , Kent Overstreet , "Kirill A. Shutemov" , "Martin K. Petersen" , Michal Hocko , Mike Snitzer , NeilBrown , Sagi Grimberg , Shaohua Li , Steven Whitehouse , Tejun Heo , "open list:XFS FILESYSTEM" Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: youngberry.canonical.com[91.189.89.112] X-Barracuda-Start-Time: 1465526677 X-Barracuda-Encrypted: AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1508 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30312 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 10, 2016 at 12:06 AM, Jens Axboe wrote: > On 05/30/2016 07:34 AM, Ming Lei wrote: >> >> Hi, >> >> Interests[1] have been shown in multipage bvecs, so this patchset >> try to prepare for the support and do two things: >> >> 1) the 1st 4 patches use bvec iterator to implement iterate_bvec(), >> then we can drop the non-standard way for iterating bvec, which >> can be thought as a good cleanup for lib/iov_iter.c >> >> 2) remove BIO_MAX_SECTORS and makre BIO_MAX_SIZE as obsolete, and >> now there is only one user for each. Once multipage bvecs is introduced, >> one bio may hold lots of sectors, and we should always use sort of >> BIO_MAX_VECS which should be introduced in future and is similiar >> with current BIO_MAX_PAGES. >> >> The only functional change is iterate_bvec():lib/iov_iter.c >> >> xfstests(-a auto) over loop aio is run for ext4/xfs to verify >> the change and no regression found with this patchset. > > > Added patches 1-7, still waiting for an answer on my reply to #8. Thanks for adding patches 1-7, and now I just found the added BIO_MAX_SIZE usage in dm-crypt.c is droped from next, so it is safe to kill it now. I will send a new patch #8 against for-4.8/core. Thanks, Ming > > -- > Jens Axboe > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-block" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html From jtulak@redhat.com Fri Jun 10 03:39:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6B30E7CA0 for ; Fri, 10 Jun 2016 03:39:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 400E68F8033 for ; Fri, 10 Jun 2016 01:39:12 -0700 (PDT) X-ASG-Debug-ID: 1465547950-04cb6c381419700001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 9BLDadEoHkJCZceF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 10 Jun 2016 01:39:11 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3DD9F461C1; Fri, 10 Jun 2016 08:39:10 +0000 (UTC) Received: from jtulak.brq.redhat.com (jtulak.brq.redhat.com [10.34.26.85]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5A8d8sx032043; Fri, 10 Jun 2016 04:39:09 -0400 From: Jan Tulak To: xfs@oss.sgi.com Cc: sandeen@sandeen.net, Jan Tulak Subject: [PATCH v3] mkfs: better error with incorrect b/s value suffix usage Date: Fri, 10 Jun 2016 10:39:00 +0200 X-ASG-Orig-Subj: [PATCH v3] mkfs: better error with incorrect b/s value suffix usage Message-Id: <1465547940-22974-1-git-send-email-jtulak@redhat.com> In-Reply-To: <1465478861-8714-1-git-send-email-jtulak@redhat.com> References: <1465478861-8714-1-git-send-email-jtulak@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 10 Jun 2016 08:39:10 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465547951 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2128 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 If user writes a value using b or s suffix without explicitly stating the size of blocks or sectors, mkfs ends with a not helpful error about the value being too small. It happens because we read the physical geometry after all options are parsed. So, tell the user exactly what is wrong with the input. Signed-off-by: Jan Tulak --- While adding entries into the mkfs input test, I found this issue, though it may be only a documentation thing. When I give some option block/sector suffix without specifying explicitly its size (for example, -l su=10b without -b size=4096), I get an error that value 10b is too small. Of course it is, because, at the time, mkfs did not read physical geometry yet, so blocksize is 0. And 10*0 = 0. I think that this is not something we need to change, but it should be better documented. Maybe not manpage (where it can be overlooked if not written to every option using the size and it might be that it already is somewhere down there), but an error message should warn the user in case of using b or s suffix incorrectly. I'm open to suggestions for a better solution, though. UPDATE: Changed error message. Thanks Eric, this sounds better. :-) Cheers, Jan Signed-off-by: Jan Tulak --- mkfs/xfs_mkfs.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index ed7800f..6059d91 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -3614,10 +3614,24 @@ cvtnum( if (sp[1] != '\0') return -1LL; - if (*sp == 'b') - return i * blksize; - if (*sp == 's') - return i * sectsize; + if (*sp == 'b') { + if (!blksize) { + fprintf(stderr, +_("Blocksize must be provided prior to using 'b' suffix.\n")); + usage(); + } else { + return i * blksize; + } + } + if (*sp == 's') { + if (!sectsize) { + fprintf(stderr, +_("Sectorsize must be specified prior to using 's' suffix.\n")); + usage(); + } else { + return i * sectsize; + } + } c = tolower(*sp); switch (c) { -- 2.5.5 From jtulak@redhat.com Fri Jun 10 04:22:00 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 499A67CA0 for ; Fri, 10 Jun 2016 04:22:00 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C5D91AC002 for ; Fri, 10 Jun 2016 02:21:59 -0700 (PDT) X-ASG-Debug-ID: 1465550517-04bdf0658019ab0001-NocioJ Received: from mail-io0-f169.google.com (mail-io0-f169.google.com [209.85.223.169]) by cuda.sgi.com with ESMTP id XmGcNTCdRHp8edFJ (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 10 Jun 2016 02:21:58 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-RBL-Trusted-Forwarder: 209.85.223.169 Received: by mail-io0-f169.google.com with SMTP id o127so14606489iod.2 for ; Fri, 10 Jun 2016 02:21:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=xuvf/NiL8vcyYmCFBDOE2Zyj4savZUHMJ+cHmhTmtWM=; b=lSlwrGxuxXE6KapFPfD6Wuz+nti/QKu0plriDeCrbLTPZai0Qoujb86QfBG0Jrej/l Em9yezg4nz6U7FBLQ07k/g4q4PXA//2EMHOvaHtzuuOJrJF7A2MzROZsGQcDeSu5poO/ ULYKLEK0R66pgju0ZUYvjvC0UzSVCgO2RFChwqMtNZKVR7RcrCQ3bqNFuMnUqeyjszo5 AW2ovz7nLOCBVnaAxR3LgkmSpABc7Qk8TL0upbJLOoNDzCEa9oalg34tFOVSMeqqDEFV r3Rza7jiXB203+j/V8SNQn2eTdy2va9hDC9q6K85m802Tq/yj77KYhbzq9hFJvfwDYYT 5Row== X-Gm-Message-State: ALyK8tKBUExgceQNdj3LzZJNze/YtlZ2mBNqk18WDnFY51m6SWinmT/PNK+alMj5r5Qtr/8gvGQ+RkBzKlKi7TW0 X-Received: by 10.107.4.78 with SMTP id 75mr2486815ioe.52.1465550517146; Fri, 10 Jun 2016 02:21:57 -0700 (PDT) MIME-Version: 1.0 Received: by 10.36.72.70 with HTTP; Fri, 10 Jun 2016 02:21:37 -0700 (PDT) In-Reply-To: <5f6ee8a0-b704-5aa6-ff67-f7a5f6761732@sandeen.net> References: <1465479700-14111-1-git-send-email-jtulak@redhat.com> <5f6ee8a0-b704-5aa6-ff67-f7a5f6761732@sandeen.net> From: Jan Tulak Date: Fri, 10 Jun 2016 11:21:37 +0200 Message-ID: Subject: Re: [PATCH] mkfs: test that -l su is a multiple of block size To: Eric Sandeen X-ASG-Orig-Subj: Re: [PATCH] mkfs: test that -l su is a multiple of block size Cc: xfs-oss Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-io0-f169.google.com[209.85.223.169] X-Barracuda-Start-Time: 1465550518 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4078 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30317 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 9, 2016 at 6:23 PM, Eric Sandeen wrote: > > > On 6/9/16 8:41 AM, Jan Tulak wrote: >> lsunit was already tested, but lsu was not. So a thing like -l su=4097 was >> possible. This commit adds a check to fix it. >> >> Signed-off-by: Jan Tulak >> --- >> mkfs/xfs_mkfs.c | 9 +++++++++ >> 1 file changed, 9 insertions(+) >> >> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c >> index 455bf11..b9b50fe 100644 >> --- a/mkfs/xfs_mkfs.c >> +++ b/mkfs/xfs_mkfs.c >> @@ -2875,6 +2875,15 @@ an AG size that is one stripe unit smaller, for example %llu.\n"), >> lsunit = dsunit; >> } >> >> + if (lsu) { >> + if (lsu % blocksize != 0) { >> + fprintf(stderr, >> + _("log stripe unit (%d) must be a multiple of the block size (%d)\n"), >> + lsu, blocksize); >> + exit(1); >> + } >> + } >> + > > > Hm, I'm not quite seeing the behavior you say you're fixing; > you give the example of -l su=4097, but: > > # mkfs/mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=4097 > Illegal value 4097 for -l su option. value is too small > > So that's really not the relevant test case. > Well, but 4097 is not too small - 4096 should pass and few days ago, I send a patch to fix that ("mkfs: fix -l su minval"). But yeah, I didn't realized that when writing the commit message and didn't told you that. :-) > > And in these cases it is caught and does fail: > > # mkfs/mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=63k > log stripe unit (64512) must be a multiple of the block size (4096) > > # mkfs/mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=64512 > log stripe unit (64512) must be a multiple of the block size (4096) > > But in this case it does not: > > # mkfs/mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=16385 > meta-data=fsfile isize=512 agcount=4, agsize=8192 blks > = sectsz=512 attr=2, projid32bit=1 > = crc=1 finobt=1, sparse=0 > data = bsize=4096 blocks=32768, imaxpct=25 > = sunit=0 swidth=0 blks > naming =version 2 bsize=4096 ascii-ci=0 ftype=1 > log =internal log bsize=4096 blocks=552, version=2 > = sectsz=512 sunit=4 blks, lazy-count=1 > realtime =none extsz=4096 blocks=0, rtextents=0 > > So what's going on here...? It has something to do with how > calc_stripe_factors() operates, and when that happens vs. the checks. > > lsu and lsunit are really specifying the same thing, just in different > units. > > Your patch does fix it up, but I wonder if these tests are in the > wrong place; with your patch we essentially do this: > > 1) Parse lsu value > 2) Convert lsu to lsunit > 3) Check lsunit (it's ok) > 4) Go back and check lsu (it's not ok) > > It seems to me that we should recognize either lsu or lsunit > as the "one true value" and convert the other to it as soon as possible, > rather than carrying around both, and checking both at various times. > > calc_stripe_factors() does do some validity checks; perhaps it should > check against blocksize multiples as well, so it's all in one place? > And a comment about what that function is doing (converting su's to > sunit's, really) would be helpful. > > What do you think? > > Your patch does resolve the problem but I think it adds a little more > confusion to already confusing code. > I moved both the new check and the lsunit check to calc_stripe_factor(). We need to check both, though, because the entire issue stems from how lsunit is computed from lsu: *lsunit = (int)BTOBBT(lsu); So if lsu is incorrectly sized, we still get a valid lsunit. It just might be different from what user thought... Thanks for pointing it out, though. Jan -- Jan Tulak jtulak@redhat.com / jan@tulak.me From jtulak@redhat.com Fri Jun 10 04:27:16 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5F6F97CA0 for ; Fri, 10 Jun 2016 04:27:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 31B268F8033 for ; Fri, 10 Jun 2016 02:27:16 -0700 (PDT) X-ASG-Debug-ID: 1465550833-04cbb03f521f0e0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id hs71pt1pyxn0hUJy (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 10 Jun 2016 02:27:14 -0700 (PDT) X-Barracuda-Envelope-From: jtulak@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CD94012B2A; Fri, 10 Jun 2016 09:27:13 +0000 (UTC) Received: from jtulak.brq.redhat.com (jtulak.brq.redhat.com [10.34.26.85]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5A9RCDC017260; Fri, 10 Jun 2016 05:27:12 -0400 From: Jan Tulak To: xfs@oss.sgi.com Cc: sandeen@sandeen.net, Jan Tulak Subject: [PATCH v2] mkfs: test that -l su is a multiple of block size Date: Fri, 10 Jun 2016 11:27:09 +0200 X-ASG-Orig-Subj: [PATCH v2] mkfs: test that -l su is a multiple of block size Message-Id: <1465550829-8066-1-git-send-email-jtulak@redhat.com> In-Reply-To: <1465479700-14111-1-git-send-email-jtulak@redhat.com> References: <1465479700-14111-1-git-send-email-jtulak@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Fri, 10 Jun 2016 09:27:13 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465550834 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1905 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 lsunit was already tested, but lsu was not. So a thing like -l su=4097 was possible. This commit adds a check to catch this, and moves the entire lsu/lsunit block size testing to calc_stripe_factors(), where already is some logic w.r.t. lsu/lsunit. Signed-off-by: Jan Tulak --- UPDATE: Moving the checks to calc_stripe_factors(). An example of previously failing options: mkfs.xfs -f -dfile,name=fsfile,size=128m -l su=16385 --- mkfs/xfs_mkfs.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 6059d91..b8f6b89 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -726,6 +726,9 @@ struct opt_params mopts = { */ #define WHACK_SIZE (128 * 1024) +/* + * Convert lsu to lsunit for 512 bytes blocks and check validity of the values. + */ static void calc_stripe_factors( int dsu, @@ -775,6 +778,20 @@ calc_stripe_factors( if (lsu) *lsunit = (int)BTOBBT(lsu); + + /* verify if lsu/lsunit is a multiple block size */ + if (lsu % blocksize != 0) { + fprintf(stderr, +_("log stripe unit (%d) must be a multiple of the block size (%d)\n"), + lsu, blocksize); + exit(1); + } + if ((BBTOB(*lsunit) % blocksize != 0)) { + fprintf(stderr, +_("log stripe unit (%d) must be a multiple of the block size (%d)\n"), + BBTOB(*lsunit), blocksize); + exit(1); + } } /* @@ -2862,12 +2879,6 @@ an AG size that is one stripe unit smaller, for example %llu.\n"), */ if (lsunit) { - if ((BBTOB(lsunit) % blocksize != 0)) { - fprintf(stderr, - _("log stripe unit (%d) must be a multiple of the block size (%d)\n"), - BBTOB(lsunit), blocksize); - exit(1); - } /* convert from 512 byte blocks to fs blocks */ lsunit = DTOBT(lsunit); } else if (sb_feat.log_version == 2 && loginternal && dsunit) { -- 2.5.5 From bfoster@redhat.com Fri Jun 10 07:19:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 08C617CA0 for ; Fri, 10 Jun 2016 07:19:39 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id A084A304048 for ; Fri, 10 Jun 2016 05:19:38 -0700 (PDT) X-ASG-Debug-ID: 1465561177-04bdf0657f20660001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id nvRHTXCwGouYsD0k (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 10 Jun 2016 05:19:37 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7C72DC03BD54; Fri, 10 Jun 2016 12:19:37 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-12.bos.redhat.com [10.18.41.12]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5ACJaZ7012012; Fri, 10 Jun 2016 08:19:37 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 8C1551230F3; Fri, 10 Jun 2016 08:19:36 -0400 (EDT) Date: Fri, 10 Jun 2016 08:19:36 -0400 From: Brian Foster To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH 0/4] xfs: online relabeling [RFC] Message-ID: <20160610121936.GC21568@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 0/4] xfs: online relabeling [RFC] References: <2305b486-f336-6d1e-9420-b69dc5bdc572@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2305b486-f336-6d1e-9420-b69dc5bdc572@sandeen.net> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Fri, 10 Jun 2016 12:19:37 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465561177 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2011 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 09, 2016 at 11:51:12AM -0500, Eric Sandeen wrote: > > > On 6/9/16 11:36 AM, Eric Sandeen wrote: > > Ok, this more or less works; not really up to snuff > > for submission or merging, just sketching it out, but some > > questions first: > > > > 1) Is there really any point to this? :) We did have one > > request, and btrfs can do it ... > > Seems reasonable to me. Any details on the use case for the request? > > 2) Is using m_growlock horrible? growfs is the only other > > thing that writes all supers, so I grabbed it. We don't > > want multiple relabels stepping on each other. > > > > 3) Is there some way to actually force the primary to disk? > > Right now the label change isn't actually visible on the > > primary until unmount, which defeats the purpose. I'm not > > sure if there's a straightforward/safe way to make it > > visible... > > Oh, sorry - I guess it is getting written out, but it's only > available via an O_DIRECT read from userspace; it's not > invalidating the cache. > > # io/xfs_io -c "label derp" /mnt/test > label = "derp" > > # dd if=/dev/sdb2 bs=512 count=1 | hexdump -C > ... > 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 66 6f 6f 00 |............foo.| > ... > > # dd if=/dev/sdb2 iflag=direct bs=512 count=1 | hexdump -C > ... > 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 64 65 72 70 |............derp| > ... > > # dd if=/dev/sdb2 bs=512 count=1 | hexdump -C > ... > 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 66 6f 6f 00 |............foo.| > ... > > Guess I need to think about this some more. > Isn't this to be expected? You're directly accessing the block device of a mounted filesystem. I would think this is expected behavior, so long as the set/get interfaces through the fs are consistent. Brian > -Eric > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Fri Jun 10 07:19:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2E3A07CA1 for ; Fri, 10 Jun 2016 07:19:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id F3F52304053 for ; Fri, 10 Jun 2016 05:19:35 -0700 (PDT) X-ASG-Debug-ID: 1465561173-04cb6c381320530001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id yAlffDgrxOH5VFUF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 10 Jun 2016 05:19:34 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 86A4583F45; Fri, 10 Jun 2016 12:19:33 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-12.bos.redhat.com [10.18.41.12]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5ACJXRt027232; Fri, 10 Jun 2016 08:19:33 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id DAB971230F3; Fri, 10 Jun 2016 08:19:32 -0400 (EDT) Date: Fri, 10 Jun 2016 08:19:32 -0400 From: Brian Foster To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH 3/4] xfs: implement online get/set fs label Message-ID: <20160610121931.GB21568@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 3/4] xfs: implement online get/set fs label References: <67255993-9730-2872-675f-ac5cb518a338@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <67255993-9730-2872-675f-ac5cb518a338@sandeen.net> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Fri, 10 Jun 2016 12:19:33 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465561174 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3533 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 09, 2016 at 11:41:07AM -0500, Eric Sandeen wrote: > Wire up label ioctls for XFS. > > Signed-off-by: Eric Sandeen > --- > > This is where the implementation questions come in; > is using growlock an abomination? How can I make the > primary super change immediately visible? > > fs/xfs/xfs_ioctl.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 files changed, 62 insertions(+), 0 deletions(-) > > diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c > index dbca737..ab59213 100644 > --- a/fs/xfs/xfs_ioctl.c > +++ b/fs/xfs/xfs_ioctl.c > @@ -41,6 +41,8 @@ > #include "xfs_trans.h" > #include "xfs_pnfs.h" > #include "xfs_acl.h" > +#include "xfs_log.h" > +#include "xfs_sb.h" > > #include > #include > @@ -1603,6 +1605,62 @@ xfs_ioc_swapext( > return error; > } > > +static int > +xfs_ioc_getlabel( > + struct xfs_mount *mp, > + char __user *label) > +{ > + int error = 0; > + struct xfs_sb *sbp = &mp->m_sb; > + > + if (!mutex_trylock(&mp->m_growlock)) > + return -EWOULDBLOCK; > + if (copy_to_user(label, sbp->sb_fname, sizeof(sbp->sb_fname))) > + error = -EFAULT; > + mutex_unlock(&mp->m_growlock); > + return error; > +} > + > +static int > +xfs_ioc_setlabel( > + struct file *filp, > + struct xfs_mount *mp, > + char __user *newlabel) > +{ > + int error; > + struct xfs_sb *sbp = &mp->m_sb; > + char sb_fname[12]; > + > + if (!capable(CAP_SYS_ADMIN)) > + return -EPERM; > + > + if (copy_from_user(sb_fname, newlabel, sizeof(sb_fname))) > + return -EFAULT; > + > + error = mnt_want_write_file(filp); > + if (error) > + return error; > + > + /* growfs & label both muck w/ the super directly... */ > + if (!mutex_trylock(&mp->m_growlock)) > + return -EWOULDBLOCK; Why the trylock here? It seems like we can still block in other places (e.g., mnt_want_write_file() above). > + memset(sbp->sb_fname, 0, sizeof(sbp->sb_fname)); > + strncpy(sbp->sb_fname, sb_fname, sizeof(sbp->sb_fname)); > + So m_growlock excludes grow and nothing else looks like it mucks with sb_fname, but what about any other invocations of xfs_log_sb()? For example, is there a risk here of somebody else logging the superblock buffer based on a transiently zeroed mp->m_sb.sb_fname? (In fact, xfs_log_sb() looks kind of racy to me, but maybe I'm missing something.) Perhaps we need an xfs_trans_getsb() somewhere in here..? Brian > + error = xfs_sync_sb(mp, true); > + if (error) > + goto out; > + /* > + * Most kernelspace superblock updates only update sb 0. > + * Userspace relabel has always updated all, though, so: > + */ > + error = xfs_update_secondary_supers(mp, sbp->sb_agcount, 0); > +out: > + mutex_unlock(&mp->m_growlock); > + mnt_drop_write_file(filp); > + return error; > +} > + > /* > * Note: some of the ioctl's return positive numbers as a > * byte count indicating success, such as readlink_by_handle. > @@ -1630,6 +1688,10 @@ xfs_file_ioctl( > switch (cmd) { > case FITRIM: > return xfs_ioc_trim(mp, arg); > + case FS_IOC_GET_FSLABEL: > + return xfs_ioc_getlabel(mp, arg); > + case FS_IOC_SET_FSLABEL: > + return xfs_ioc_setlabel(filp, mp, arg); > case XFS_IOC_ALLOCSP: > case XFS_IOC_FREESP: > case XFS_IOC_RESVSP: > -- > 1.7.1 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From info@lotto.com Fri Jun 10 08:37:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: * X-Spam-Status: No, score=1.2 required=5.0 tests=FREEMAIL_FORGED_REPLYTO autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0D73D7CA0 for ; Fri, 10 Jun 2016 08:37:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id ACF3D8F8035 for ; Fri, 10 Jun 2016 06:37:40 -0700 (PDT) X-ASG-Debug-ID: 1465565853-04bdf0657f22690001-NocioJ Received: from mail-bt.elsaco.com (mail-bt.elsaco.com [92.87.31.148]) by cuda.sgi.com with ESMTP id bX7lzGxrqJr4SQCe (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 10 Jun 2016 06:37:35 -0700 (PDT) X-Barracuda-Envelope-From: info@lotto.com X-Barracuda-Effective-Source-IP: mail-bt.elsaco.com[92.87.31.148] X-Barracuda-Apparent-Source-IP: 92.87.31.148 Received: from webmail.elsaco.com (webmail.elsaco.com [10.11.31.30]) by mail-bt.elsaco.com (8.13.8/8.13.8) with ESMTP id u5ADajvt020095 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 10 Jun 2016 16:36:45 +0300 Received: from localhost (localhost [127.0.0.1]) by webmail.elsaco.com (Postfix) with ESMTP id 5D132BDEC96; Fri, 10 Jun 2016 16:17:05 +0300 (EEST) Received: from webmail.elsaco.com ([127.0.0.1]) by localhost (webmail.elsaco.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id QrYme6U1Vkv7; Fri, 10 Jun 2016 16:17:04 +0300 (EEST) Received: from localhost (localhost [127.0.0.1]) by webmail.elsaco.com (Postfix) with ESMTP id 867ADBDEFB1; Fri, 10 Jun 2016 16:17:03 +0300 (EEST) X-Virus-Scanned: amavisd-new at elsaco.com Received: from webmail.elsaco.com ([127.0.0.1]) by localhost (webmail.elsaco.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ey3dYJIXnCEl; Fri, 10 Jun 2016 16:17:03 +0300 (EEST) Received: from [89.163.154.139] (unknown [89.163.154.139]) by webmail.elsaco.com (Postfix) with ESMTPSA id 6960EBDE91D; Fri, 10 Jun 2016 16:16:41 +0300 (EEST) Content-Type: multipart/mixed; boundary="===============1090232603==" MIME-Version: 1.0 Subject: Powered by Google. 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Fi= nd attached letter for more details and Processing of your claims. Best Regards, Matt Brittin Chairman of the Board and Managing Director, Google United Kingdom --===============1090232603== Content-Type: application/pdf MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="2016 Google Notification Document.pdf" JVBERi0xLjUNCiW1tbW1DQoxIDAgb2JqDQo8PC9UeXBlL0NhdGFsb2cvUGFnZXMgMiAwIFIvTGFu Zyhlbi1VUykgL1N0cnVjdFRyZWVSb290IDI1IDAgUi9NYXJrSW5mbzw8L01hcmtlZCB0cnVlPj4+ Pg0KZW5kb2JqDQoyIDAgb2JqDQo8PC9UeXBlL1BhZ2VzL0NvdW50IDIvS2lkc1sgMyAwIFIgMTUg MCBSXSA+Pg0KZW5kb2JqDQozIDAgb2JqDQo8PC9UeXBlL1BhZ2UvUGFyZW50IDIgMCBSL1Jlc291 cmNlczw8L1hPYmplY3Q8PC9JbWFnZTUgNSAwIFIvSW1hZ2U4IDggMCBSPj4vRm9udDw8L0YxIDYg MCBSL0YyIDkgMCBSL0YzIDExIDAgUi9GNCAxMyAwIFI+Pi9Qcm9jU2V0Wy9QREYvVGV4dC9JbWFn ZUIvSW1hZ2VDL0ltYWdlSV0gPj4vTWVkaWFCb3hbIDAgMCA2MTIgNzkyXSAvQ29udGVudHMgNCAw IFIvR3JvdXA8PC9UeXBlL0dyb3VwL1MvVHJhbnNwYXJlbmN5L0NTL0RldmljZVJHQj4+L1RhYnMv Uy9TdHJ1Y3RQYXJlbnRzIDA+Pg0KZW5kb2JqDQo0IDAgb2JqDQo8PC9GaWx0ZXIvRmxhdGVEZWNv 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ODk4OUE5MDY0MDc0MEEyNENBRjU2QTczNUJBMjc+XSA+Pg0Kc3RhcnR4cmVmDQoyNTgyMDYNCiUl RU9GDQp4cmVmDQowIDANCnRyYWlsZXINCjw8L1NpemUgMTE1L1Jvb3QgMSAwIFIvSW5mbyAyNCAw IFIvSURbPEQxNTg5ODlBOTA2NDA3NDBBMjRDQUY1NkE3MzVCQTI3PjxEMTU4OTg5QTkwNjQwNzQw QTI0Q0FGNTZBNzM1QkEyNz5dIC9QcmV2IDI1ODIwNi9YUmVmU3RtIDI1NzcxMD4+DQpzdGFydHhy ZWYNCjI2MDY2Ng0KJSVFT0Y= --===============1090232603==-- From darrick.wong@oracle.com Fri Jun 10 11:42:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A654B7CA0 for ; Fri, 10 Jun 2016 11:42:07 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 20C1DAC004 for ; Fri, 10 Jun 2016 09:42:03 -0700 (PDT) X-ASG-Debug-ID: 1465576921-04cb6c381528fd0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id x1CJCJuGqAKUDKN8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 10 Jun 2016 09:42:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5AGfxC8016738 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 10 Jun 2016 16:42:00 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5AGfxUp014255 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 10 Jun 2016 16:41:59 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5AGfwhl032309; Fri, 10 Jun 2016 16:41:58 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 10 Jun 2016 09:41:58 -0700 Date: Fri, 10 Jun 2016 09:41:57 -0700 From: "Darrick J. Wong" To: Brian Foster Cc: Eric Sandeen , xfs@oss.sgi.com Subject: Re: [PATCH 0/4] xfs: online relabeling [RFC] Message-ID: <20160610164157.GA11810@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 0/4] xfs: online relabeling [RFC] References: <2305b486-f336-6d1e-9420-b69dc5bdc572@sandeen.net> <20160610121936.GC21568@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160610121936.GC21568@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1465576921 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2514 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30324 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Fri, Jun 10, 2016 at 08:19:36AM -0400, Brian Foster wrote: > On Thu, Jun 09, 2016 at 11:51:12AM -0500, Eric Sandeen wrote: > > > > > > On 6/9/16 11:36 AM, Eric Sandeen wrote: > > > Ok, this more or less works; not really up to snuff > > > for submission or merging, just sketching it out, but some > > > questions first: > > > > > > 1) Is there really any point to this? :) We did have one > > > request, and btrfs can do it ... > > > > > Seems reasonable to me. Any details on the use case for the request? > > > > 2) Is using m_growlock horrible? growfs is the only other > > > thing that writes all supers, so I grabbed it. We don't > > > want multiple relabels stepping on each other. > > > > > > 3) Is there some way to actually force the primary to disk? > > > Right now the label change isn't actually visible on the > > > primary until unmount, which defeats the purpose. I'm not > > > sure if there's a straightforward/safe way to make it > > > visible... > > > > > Oh, sorry - I guess it is getting written out, but it's only > > available via an O_DIRECT read from userspace; it's not > > invalidating the cache. > > > > # io/xfs_io -c "label derp" /mnt/test > > label = "derp" > > > > # dd if=/dev/sdb2 bs=512 count=1 | hexdump -C > > ... > > 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 66 6f 6f 00 |............foo.| > > ... > > > > # dd if=/dev/sdb2 iflag=direct bs=512 count=1 | hexdump -C > > ... > > 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 64 65 72 70 |............derp| > > ... > > > > # dd if=/dev/sdb2 bs=512 count=1 | hexdump -C > > ... > > 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 66 6f 6f 00 |............foo.| > > ... > > > > Guess I need to think about this some more. > > > > Isn't this to be expected? You're directly accessing the block device of > a mounted filesystem. I would think this is expected behavior, so long > as the set/get interfaces through the fs are consistent. Trouble is, I bet blkid prints LABEL=foo here and not LABEL=derp as the admin is probably expecting. /me wonders if invalidate_inode_pages2_range here would help? --D > > Brian > > > -Eric > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sandeen@sandeen.net Fri Jun 10 13:12:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C1AF27CA0 for ; Fri, 10 Jun 2016 13:12:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 962C0304051 for ; Fri, 10 Jun 2016 11:12:43 -0700 (PDT) X-ASG-Debug-ID: 1465582359-04cb6c38142bc40001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id ahrjQLOJhmLAr74N for ; Fri, 10 Jun 2016 11:12:39 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 5B78422C5; Fri, 10 Jun 2016 13:12:39 -0500 (CDT) Subject: Re: [PATCH 0/4] xfs: online relabeling [RFC] To: "Darrick J. Wong" , Brian Foster X-ASG-Orig-Subj: Re: [PATCH 0/4] xfs: online relabeling [RFC] References: <2305b486-f336-6d1e-9420-b69dc5bdc572@sandeen.net> <20160610121936.GC21568@bfoster.bfoster> <20160610164157.GA11810@birch.djwong.org> Cc: xfs@oss.sgi.com From: Eric Sandeen Message-ID: <7bb93415-d08c-29e8-df68-1665d7f39581@sandeen.net> Date: Fri, 10 Jun 2016 13:12:39 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160610164157.GA11810@birch.djwong.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465582359 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2381 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30325 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 6/10/16 11:41 AM, Darrick J. Wong wrote: > On Fri, Jun 10, 2016 at 08:19:36AM -0400, Brian Foster wrote: >> On Thu, Jun 09, 2016 at 11:51:12AM -0500, Eric Sandeen wrote: >>> >>> >>> On 6/9/16 11:36 AM, Eric Sandeen wrote: >>>> Ok, this more or less works; not really up to snuff >>>> for submission or merging, just sketching it out, but some >>>> questions first: >>>> >>>> 1) Is there really any point to this? :) We did have one >>>> request, and btrfs can do it ... >>>> >> >> Seems reasonable to me. Any details on the use case for the request? >> >>>> 2) Is using m_growlock horrible? growfs is the only other >>>> thing that writes all supers, so I grabbed it. We don't >>>> want multiple relabels stepping on each other. >>>> >>>> 3) Is there some way to actually force the primary to disk? >>>> Right now the label change isn't actually visible on the >>>> primary until unmount, which defeats the purpose. I'm not >>>> sure if there's a straightforward/safe way to make it >>>> visible... >>> >> >>> Oh, sorry - I guess it is getting written out, but it's only >>> available via an O_DIRECT read from userspace; it's not >>> invalidating the cache. >>> >>> # io/xfs_io -c "label derp" /mnt/test >>> label = "derp" >>> >>> # dd if=/dev/sdb2 bs=512 count=1 | hexdump -C >>> ... >>> 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 66 6f 6f 00 |............foo.| >>> ... >>> >>> # dd if=/dev/sdb2 iflag=direct bs=512 count=1 | hexdump -C >>> ... >>> 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 64 65 72 70 |............derp| >>> ... >>> >>> # dd if=/dev/sdb2 bs=512 count=1 | hexdump -C >>> ... >>> 00000060 00 00 0a 00 b4 e5 02 00 02 00 00 08 66 6f 6f 00 |............foo.| >>> ... >>> >>> Guess I need to think about this some more. >>> >> >> Isn't this to be expected? You're directly accessing the block device of >> a mounted filesystem. I would think this is expected behavior, so long >> as the set/get interfaces through the fs are consistent. > > Trouble is, I bet blkid prints LABEL=foo here and not LABEL=derp as > the admin is probably expecting. exactly. And FWIW, when btrfs does it, it *is* visible. > /me wonders if invalidate_inode_pages2_range here would help? Um, not sure. Calling that against metadata from xfs feels a bit bizarre... -Eric From sales84@plasticproducts.com Fri Jun 10 19:48:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: **** X-Spam-Status: No, score=4.9 required=5.0 tests=DEAR_FRIEND,HTML_MESSAGE, MIME_HTML_ONLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C5B387CA0 for ; Fri, 10 Jun 2016 19:48:25 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9895F8F8037 for ; Fri, 10 Jun 2016 17:48:22 -0700 (PDT) X-ASG-Debug-ID: 1465606094-04cb6c381334290001-NocioJ Received: from plasticproducts.com ([58.218.7.193]) by cuda.sgi.com with SMTP id B7FnC5aGao4EeFCv for ; Fri, 10 Jun 2016 17:48:14 -0700 (PDT) X-Barracuda-Envelope-From: sales84@plasticproducts.com X-Barracuda-Effective-Source-IP: UNKNOWN[58.218.7.193] X-Barracuda-Apparent-Source-IP: 58.218.7.193 Received: from PC-201606051013[127.0.0.1] by PC-201606051013[127.0.0.1] (SMTPD32); Wed, 8 Jun 2016 15:36:21 +0800 From: "marco_acrylic@126.com" Subject: Re:acrylic shirts display To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re:acrylic shirts display MIME-Version: 1.0 Sender: sales84@plasticproducts.com Reply-To: marco_acrylic@126.com Date: Wed, 8 Jun 2016 15:36:21 +0800 X-Mailer: Foxmail 6, 13, 102, 15 [cn] Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: base64 Content-Disposition: inline X-Barracuda-Connect: UNKNOWN[58.218.7.193] X-Barracuda-Start-Time: 1465606094 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12141 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.94 X-Barracuda-Spam-Status: No, SCORE=1.94 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA038b, BSF_SC5_MJ1963, DEAR_FRIEND, HTML_MESSAGE, MIME_HTML_ONLY, MISSING_MID, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30335 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.14 MISSING_MID Missing Message-Id: header 1.00 DEAR_FRIEND BODY: Dear Friend? That's not very dear! 0.00 MIME_HTML_ONLY BODY: Message only has text/html MIME parts 0.00 HTML_MESSAGE BODY: HTML included in message 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.20 BSF_SC0_SA038b Custom Rule SA038b 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Message-Id: <20160611004822.67DC21296080@cuda.sgi.com> PCFET0NUWVBFIEhUTUwgUFVCTElDICItLy9XM0MvL0RURCBIVE1MIDQuMCBUcmFuc2l0aW9uYWwv L0VOIj4NCjxIVE1MIHhtbG5zOm8gPSAidXJuOnNjaGVtYXMtbWljcm9zb2Z0LWNvbTpvZmZpY2U6 b2ZmaWNlIj48SEVBRD4NCjxNRVRBIGNvbnRlbnQ9InRleHQvaHRtbDsgY2hhcnNldD1VVEYtOCIg aHR0cC1lcXVpdj1jb250ZW50LXR5cGU+DQo8TUVUQSBuYW1lPUdFTkVSQVRPUiBjb250ZW50PSJN U0hUTUwgMTAuMDAuOTIwMC4xNzQ5MiI+PC9IRUFEPg0KPEJPRFk+DQo8UCBjbGFzcz1Nc29Ob3Jt YWw+PFNQQU4gDQpzdHlsZT0iRk9OVC1TSVpFOiAxMC41cHQ7IEZPTlQtRkFNSUxZOiDlrovkvZM7 IEJBQ0tHUk9VTkQ6IHJnYigyNTUsMjU1LDI1NSk7IENPTE9SOiByZ2IoMTAyLDEwMiwxMDIpOyBt c28tc3BhY2VydW46ICYjMzk7eWVzJiMzOTs7IG1zby1hc2NpaS1mb250LWZhbWlseTogQXJpYWw7 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Please advise your MOQ and payment terms for first time buyer so we can inform our customer accordingly. Please kindly send all the necessary details. Looking forward to hear from you. Juan Fang Shanzy Trading Co., Ltd (TRADING) 19A Fung Chi Tsuen, Kwoloon, Hong Kong (CHINA) TEL: +852 - 94587345 FAX: +852 - 94596617 www.shanzzytrading.com --001a11442338717ec105351aa8cd Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello,

Good Morning,

We currently have a requirement for your product. Please = advise your MOQ and payment terms for first time buyer so we can inform our= customer accordingly.

Please kindly send all the = necessary details.

Looking forward = to hear from you.

Juan Fang

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0

<= /div>

Shanzy Trading Co., Ltd
=C2=A0 =C2=A0 =C2=A0(TRADING)=
19A Fung Chi Tsuen, Kwoloon, =C2=A0 =C2= =A0=C2=A0
=C2=A0 =C2=A0 =C2=A0Hong= Kong (CHINA)
TEL: +852 - 94587345= =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0
FAX: +852 - 94596617
www.shanzzytrading.com
--001a11442338717ec105351aa8cd-- From martin.aleksov@gmail.com Mon Jun 13 01:28:23 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 978E77CA0 for ; Mon, 13 Jun 2016 01:28:23 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 23A7EAC001 for ; Sun, 12 Jun 2016 23:28:20 -0700 (PDT) X-ASG-Debug-ID: 1465799293-04bdf065808f920001-NocioJ Received: from mail-wm0-f67.google.com (mail-wm0-f67.google.com [74.125.82.67]) by cuda.sgi.com with ESMTP id YFTcobuIflLpVb4l (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Sun, 12 Jun 2016 23:28:14 -0700 (PDT) X-Barracuda-Envelope-From: 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Metadata corruption Date: Mon, 13 Jun 2016 09:27:57 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mail-wm0-f67.google.com[74.125.82.67] X-Barracuda-Start-Time: 1465799294 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11734 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30390 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature HiThere, I'm using XFS on Arch linux.Each 2 days I'm receiving this error: Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 while doing this: [martin@marto ~]$ sudo xfs_db -c frag -r /dev/sda2 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 xfs_db: out of memory Here is the needed information: Linux marto 4.6.2-1-ARCH #1 SMP PREEMPT Wed Jun 8 08:40:59 CEST 2016 x86_64 GNU/Linux ================================================ xfs_repair version 4.5.0 ================================================== lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 58 Model name: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz Stepping: 9 CPU MHz: 1213.964 CPU max MHz: 3100.0000 CPU min MHz: 1200.0000 BogoMIPS: 4990.55 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 3072K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm epb tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts ============================================================================== cat /proc/meminfo MemTotal: 16025984 kB MemFree: 13078108 kB MemAvailable: 14024292 kB Buffers: 5740 kB Cached: 1373716 kB SwapCached: 0 kB Active: 1656728 kB Inactive: 997388 kB Active(anon): 1346700 kB Inactive(anon): 158028 kB Active(file): 310028 kB Inactive(file): 839360 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 2047996 kB SwapFree: 2047996 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 1128564 kB Mapped: 403056 kB Shmem: 230068 kB Slab: 131908 kB SReclaimable: 97016 kB SUnreclaim: 34892 kB KernelStack: 7040 kB PageTables: 17108 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 10060988 kB Committed_AS: 3812328 kB VmallocTotal: 34359738367 kB VmallocUsed: 0 kB VmallocChunk: 0 kB HardwareCorrupted: 0 kB AnonHugePages: 317440 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 82280 kB DirectMap2M: 16279552 kB ============================================== cat /proc/mounts proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 sys /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 dev /dev devtmpfs rw,nosuid,relatime,size=8009624k,nr_inodes=2002406,mode=755 0 0 run /run tmpfs rw,nosuid,nodev,relatime,mode=755 0 0 /dev/sda2 / xfs rw,relatime,attr2,inode64,noquota 0 0 securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0 tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0 devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,mode=755 0 0 cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd 0 0 pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0 cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0 cgroup /sys/fs/cgroup/net_cls cgroup rw,nosuid,nodev,noexec,relatime,net_cls 0 0 cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0 cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0 cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0 cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0 cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0 cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0 systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=26,pgrp=1,timeout=0,minproto=5,maxproto=5,direct 0 0 mqueue /dev/mqueue mqueue rw,relatime 0 0 debugfs /sys/kernel/debug debugfs rw,relatime 0 0 hugetlbfs /dev/hugepages hugetlbfs rw,relatime 0 0 configfs /sys/kernel/config configfs rw,relatime 0 0 tmpfs /tmp tmpfs rw 0 0 /dev/sda4 /home xfs rw,relatime,attr2,inode64,noquota 0 0 /dev/sda1 /boot ext4 rw,relatime,data=ordered 0 0 /dev/sdb1 /var xfs rw,relatime,attr2,inode64,noquota 0 0 /dev/sdb2 /data xfs rw,relatime,attr2,inode64,noquota 0 0 tmpfs /run/user/1000 tmpfs rw,nosuid,nodev,relatime,size=1602600k,mode=700,uid=1000,gid=100 0 0 gvfsd-fuse /run/user/1000/gvfs fuse.gvfsd-fuse rw,nosuid,nodev,relatime,user_id=1000,group_id=100 0 0 fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0 ================================================================= cat /proc/partitions major minor #blocks name 8 0 244198584 sda 8 1 307200 sda1 8 2 20480000 sda2 8 3 2048000 sda3 8 4 221362176 sda4 8 16 488386584 sdb 8 17 20971520 sdb1 8 18 467414016 sdb2 ====================================================== I'm Using Samsumng 850 Evo SSD and normal HDD. ================================================= sudo hdparm -I /dev/sda |grep -i "write ca" [sudo] password for martin: * Write cache ================================================= [martin@marto ~]$ sudo hdparm -I /dev/sdb |grep -i "write ca" * Write cache ======================================================== xfs_info /dev/sda2 meta-data=/dev/sda2 isize=512 agcount=4, agsize=1280000 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1 spinodes=0 data = bsize=4096 blocks=5120000, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal bsize=4096 blocks=2560, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 ========================================================================== [martin@marto ~]$ dmesg |grep -i xfs [ 3.659623] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 3.662257] XFS (sda2): Mounting V5 Filesystem [ 3.676309] XFS (sda2): Ending clean mount [ 4.064618] XFS (sda4): Mounting V5 Filesystem [ 4.068012] XFS (sdb2): Mounting V5 Filesystem [ 4.074383] XFS (sdb1): Mounting V5 Filesystem [ 4.082505] XFS (sda4): Ending clean mount [ 4.299465] XFS (sdb1): Ending clean mount [ 4.300056] XFS (sdb2): Ending clean mount After reboot the error is gone.Any advise what is causing this error and how to fix the issue permenantly? From martin.aleksov@gmail.com Mon Jun 13 01:41:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 238307CA0 for ; Mon, 13 Jun 2016 01:41:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id A04A9AC002 for ; Sun, 12 Jun 2016 23:41:49 -0700 (PDT) X-ASG-Debug-ID: 1465800105-04bdf065818fe10001-NocioJ Received: from mail-wm0-f67.google.com (mail-wm0-f67.google.com [74.125.82.67]) by cuda.sgi.com with ESMTP id ojQ7SDEKk2jbD93w (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Sun, 12 Jun 2016 23:41:46 -0700 (PDT) X-Barracuda-Envelope-From: martin.aleksov@gmail.com X-Barracuda-Effective-Source-IP: mail-wm0-f67.google.com[74.125.82.67] X-Barracuda-Apparent-Source-IP: 74.125.82.67 Received: by mail-wm0-f67.google.com with SMTP id n184so12274925wmn.1 for ; Sun, 12 Jun 2016 23:41:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding; bh=mCvDpMDJaxbKB3pe9pA+xi8FwvzsXMB4tg+VVMSUQak=; b=U5d4VGSjOW84V3xk+HFBSPzNLqs0dSIUsBrbToWBfni3Ui2lH0AsGVirgr5JFw9465 RiUOS9uCkDcNt+zBFLipTJhJxlmkIMPdDfi3rDhp0vLOd3xfW/miupIHVGR1YJKusEh5 uwenTqmEM52whhJikknfrKI5CZdN6lbfkHE6sDVQfd75lPJPyxzGKUiyi8PGDmNNSH5x lUepq3Zfvd7ATuV7qOIK+tLdSONHISn52erCO+HKdEXUdF+qqDIadRDgFpTuoyxlo4Xz gzdEdcaEwsHXwXA7p/rlIfc4CPKneSlYZ2kTx4QFhrMFmwE+FAxngDN0ALMAXJrTmgLD VbgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=mCvDpMDJaxbKB3pe9pA+xi8FwvzsXMB4tg+VVMSUQak=; b=TMSof2yiYK9Dm7KFh8LsMJJV6QzLl52cMNOJQv/3pLAk9pNvdUPFMRZPPKlOsfMPjO bVM9pbMe6fKhiKSzRmKgeWjqF/UXAwYbg5qt221JdsBZLrAp6pn2qOJHJvyqrzRzzyI9 dGY1ZvkI+bgtLdSiIGeCexhsh60YS99Xj+GjEcveUxy2/QppFrPN3tqCSwxhVhkGLjBh zN+R+lpq63OY1brknKx2pXE1KOXTtRxJkPo+rNLkVj1Yj1ylZViYZVerwX1kCnz1IE1e GRM6djT14Noe5x+6C44f9GtbuiPfxectLsKpDq+9SA2AJtBnfDINZjlRTazcE5wX64d4 LSIA== X-Gm-Message-State: ALyK8tKSB6t+bf4M9VW+xFRIDEK5aOfnFq1P0IYMTe5iq6nKggz1fMAN/mEveLtKY/zRrg== X-Received: by 10.28.157.199 with SMTP id g190mr5336721wme.2.1465800104980; Sun, 12 Jun 2016 23:41:44 -0700 (PDT) Received: from [10.101.4.32] ([195.170.178.154]) by smtp.gmail.com with ESMTPSA id hf7sm6875226wjc.48.2016.06.12.23.41.44 for (version=TLSv1/SSLv3 cipher=OTHER); Sun, 12 Jun 2016 23:41:44 -0700 (PDT) Subject: Re: Metadata corruption To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: Metadata corruption References: <7494383b-a153-7a79-b872-42ac6506ac9e@gmail.com> From: Martin Aleksov Message-ID: <52b9dc9e-ae36-4f66-454a-b8f2d4b0c6d6@gmail.com> Date: Mon, 13 Jun 2016 09:41:29 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <7494383b-a153-7a79-b872-42ac6506ac9e@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-wm0-f67.google.com[74.125.82.67] X-Barracuda-Start-Time: 1465800106 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13043 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30390 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature Please note that after executing: [martin@marto ~]$ sudo xfs_db -c blockget -r /dev/sda2 ERROR: The filesystem has valuable metadata changes in a log which needs to be replayed. Mount the filesystem to replay the log, and unmount it before re-running xfs_db. If you are unable to mount the filesystem, then use the xfs_repair -L option to destroy the log and attempt a repair. Note that destroying the log may cause corruption -- please attempt a mount of the filesystem before doing this. and after that [martin@marto ~]$ sudo xfs_db -c frag -r /dev/sda2 actual 124994, ideal 124469, fragmentation factor 0.42% the error is gone.Any ideas about that and what cause it? On 06/13/2016 09:27 AM, Martin Aleksov wrote: > HiThere, > > I'm using XFS on Arch linux.Each 2 days I'm receiving this error: > > > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > > while doing this: > > > [martin@marto ~]$ sudo xfs_db -c frag -r /dev/sda2 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > xfs_db: out of memory > > > > Here is the needed information: > > > Linux marto 4.6.2-1-ARCH #1 SMP PREEMPT Wed Jun 8 08:40:59 CEST 2016 > x86_64 GNU/Linux > ================================================ > > xfs_repair version 4.5.0 > ================================================== > > lscpu > Architecture: x86_64 > CPU op-mode(s): 32-bit, 64-bit > Byte Order: Little Endian > CPU(s): 4 > On-line CPU(s) list: 0-3 > Thread(s) per core: 2 > Core(s) per socket: 2 > Socket(s): 1 > NUMA node(s): 1 > Vendor ID: GenuineIntel > CPU family: 6 > Model: 58 > Model name: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz > Stepping: 9 > CPU MHz: 1213.964 > CPU max MHz: 3100.0000 > CPU min MHz: 1200.0000 > BogoMIPS: 4990.55 > Virtualization: VT-x > L1d cache: 32K > L1i cache: 32K > L2 cache: 256K > L3 cache: 3072K > NUMA node0 CPU(s): 0-3 > Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr > pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe > syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl > xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor > ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt > tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm epb tpr_shadow vnmi > flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts > ============================================================================== > > cat /proc/meminfo > MemTotal: 16025984 kB > MemFree: 13078108 kB > MemAvailable: 14024292 kB > Buffers: 5740 kB > Cached: 1373716 kB > SwapCached: 0 kB > Active: 1656728 kB > Inactive: 997388 kB > Active(anon): 1346700 kB > Inactive(anon): 158028 kB > Active(file): 310028 kB > Inactive(file): 839360 kB > Unevictable: 0 kB > Mlocked: 0 kB > SwapTotal: 2047996 kB > SwapFree: 2047996 kB > Dirty: 0 kB > Writeback: 0 kB > AnonPages: 1128564 kB > Mapped: 403056 kB > Shmem: 230068 kB > Slab: 131908 kB > SReclaimable: 97016 kB > SUnreclaim: 34892 kB > KernelStack: 7040 kB > PageTables: 17108 kB > NFS_Unstable: 0 kB > Bounce: 0 kB > WritebackTmp: 0 kB > CommitLimit: 10060988 kB > Committed_AS: 3812328 kB > VmallocTotal: 34359738367 kB > VmallocUsed: 0 kB > VmallocChunk: 0 kB > HardwareCorrupted: 0 kB > AnonHugePages: 317440 kB > HugePages_Total: 0 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > DirectMap4k: 82280 kB > DirectMap2M: 16279552 kB > ============================================== > cat /proc/mounts > proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 > sys /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 > dev /dev devtmpfs > rw,nosuid,relatime,size=8009624k,nr_inodes=2002406,mode=755 0 0 > run /run tmpfs rw,nosuid,nodev,relatime,mode=755 0 0 > /dev/sda2 / xfs rw,relatime,attr2,inode64,noquota 0 0 > securityfs /sys/kernel/security securityfs > rw,nosuid,nodev,noexec,relatime 0 0 > tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0 > devpts /dev/pts devpts > rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 > tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,mode=755 0 0 > cgroup /sys/fs/cgroup/systemd cgroup > rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd > 0 0 > pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0 > cgroup /sys/fs/cgroup/memory cgroup > rw,nosuid,nodev,noexec,relatime,memory 0 0 > cgroup /sys/fs/cgroup/net_cls cgroup > rw,nosuid,nodev,noexec,relatime,net_cls 0 0 > cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0 > cgroup /sys/fs/cgroup/cpuset cgroup > rw,nosuid,nodev,noexec,relatime,cpuset 0 0 > cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0 > cgroup /sys/fs/cgroup/cpu,cpuacct cgroup > rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0 > cgroup /sys/fs/cgroup/freezer cgroup > rw,nosuid,nodev,noexec,relatime,freezer 0 0 > cgroup /sys/fs/cgroup/devices cgroup > rw,nosuid,nodev,noexec,relatime,devices 0 0 > systemd-1 /proc/sys/fs/binfmt_misc autofs > rw,relatime,fd=26,pgrp=1,timeout=0,minproto=5,maxproto=5,direct 0 0 > mqueue /dev/mqueue mqueue rw,relatime 0 0 > debugfs /sys/kernel/debug debugfs rw,relatime 0 0 > hugetlbfs /dev/hugepages hugetlbfs rw,relatime 0 0 > configfs /sys/kernel/config configfs rw,relatime 0 0 > tmpfs /tmp tmpfs rw 0 0 > /dev/sda4 /home xfs rw,relatime,attr2,inode64,noquota 0 0 > /dev/sda1 /boot ext4 rw,relatime,data=ordered 0 0 > /dev/sdb1 /var xfs rw,relatime,attr2,inode64,noquota 0 0 > /dev/sdb2 /data xfs rw,relatime,attr2,inode64,noquota 0 0 > tmpfs /run/user/1000 tmpfs > rw,nosuid,nodev,relatime,size=1602600k,mode=700,uid=1000,gid=100 0 0 > gvfsd-fuse /run/user/1000/gvfs fuse.gvfsd-fuse > rw,nosuid,nodev,relatime,user_id=1000,group_id=100 0 0 > fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0 > ================================================================= > > cat /proc/partitions > major minor #blocks name > > 8 0 244198584 sda > 8 1 307200 sda1 > 8 2 20480000 sda2 > 8 3 2048000 sda3 > 8 4 221362176 sda4 > 8 16 488386584 sdb > 8 17 20971520 sdb1 > 8 18 467414016 sdb2 > > ====================================================== > > > I'm Using Samsumng 850 Evo SSD and normal HDD. > > ================================================= > > sudo hdparm -I /dev/sda |grep -i "write ca" > [sudo] password for martin: > * Write cache > > ================================================= > > [martin@marto ~]$ sudo hdparm -I /dev/sdb |grep -i "write ca" > * Write cache > > ======================================================== > > > > xfs_info /dev/sda2 > meta-data=/dev/sda2 isize=512 agcount=4, agsize=1280000 blks > = sectsz=512 attr=2, projid32bit=1 > = crc=1 finobt=1 spinodes=0 > data = bsize=4096 blocks=5120000, imaxpct=25 > = sunit=0 swidth=0 blks > naming =version 2 bsize=4096 ascii-ci=0 ftype=1 > log =internal bsize=4096 blocks=2560, version=2 > = sectsz=512 sunit=0 blks, lazy-count=1 > realtime =none extsz=4096 blocks=0, rtextents=0 > > ========================================================================== > [martin@marto ~]$ dmesg |grep -i xfs > [ 3.659623] SGI XFS with ACLs, security attributes, realtime, no > debug enabled > [ 3.662257] XFS (sda2): Mounting V5 Filesystem > [ 3.676309] XFS (sda2): Ending clean mount > [ 4.064618] XFS (sda4): Mounting V5 Filesystem > [ 4.068012] XFS (sdb2): Mounting V5 Filesystem > [ 4.074383] XFS (sdb1): Mounting V5 Filesystem > [ 4.082505] XFS (sda4): Ending clean mount > [ 4.299465] XFS (sdb1): Ending clean mount > [ 4.300056] XFS (sdb2): Ending clean mount > > After reboot the error is gone.Any advise what is causing this error and > how to fix the issue permenantly? > > > From stefanrin@gmail.com Mon Jun 13 01:45:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5E50E7CA2 for ; Mon, 13 Jun 2016 01:45:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id C740FAC001 for ; Sun, 12 Jun 2016 23:45:49 -0700 (PDT) X-ASG-Debug-ID: 1465800347-04cb6c381673980001-NocioJ Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51]) by cuda.sgi.com with ESMTP id PBp2xejQRNbPtWNY (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 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Ring Date: Mon, 13 Jun 2016 08:45:45 +0200 Message-ID: Subject: Re: Metadata corruption To: Martin Aleksov X-ASG-Orig-Subj: Re: Metadata corruption Cc: Linux fs XFS Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-wm0-f51.google.com[74.125.82.51] X-Barracuda-Start-Time: 1465800347 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 669 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.01 X-Barracuda-Spam-Status: No, SCORE=0.01 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA_TO_FROM_DOMAIN_MATCH, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30390 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.01 BSF_SC0_SA_TO_FROM_DOMAIN_MATCH Sender Domain Matches Recipient Domain On Mon, Jun 13, 2016 at 8:41 AM, Martin Aleksov wrote: > Please note that after executing: > > [martin@marto ~]$ sudo xfs_db -c blockget -r /dev/sda2 > > > ERROR: The filesystem has valuable metadata changes in a log which needs to > be replayed. Mount the filesystem to replay the log, and unmount it before > re-running xfs_db. If you are unable to mount the filesystem, then use > the xfs_repair -L option to destroy the log and attempt a repair. > Note that destroying the log may cause corruption -- please attempt a mount > of the filesystem before doing this. > > and after that > the error is gone. After what? From bfoster@redhat.com Mon Jun 13 06:27:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C2D827CA0 for ; Mon, 13 Jun 2016 06:27:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 950578F8035 for ; Mon, 13 Jun 2016 04:27:43 -0700 (PDT) X-ASG-Debug-ID: 1465817261-04cb6c381379130001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 8SlurXCE0XEwEnvH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 13 Jun 2016 04:27:42 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DE29063E11; Mon, 13 Jun 2016 11:27:40 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-81.bos.redhat.com [10.18.41.81]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5DBRepw002988; Mon, 13 Jun 2016 07:27:40 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 02B30122ECF; Mon, 13 Jun 2016 07:27:39 -0400 (EDT) Date: Mon, 13 Jun 2016 07:27:39 -0400 From: Brian Foster To: Martin Aleksov Cc: xfs@oss.sgi.com Subject: Re: Metadata corruption Message-ID: <20160613112738.GA4730@bfoster.bfoster> X-ASG-Orig-Subj: Re: Metadata corruption References: <7494383b-a153-7a79-b872-42ac6506ac9e@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7494383b-a153-7a79-b872-42ac6506ac9e@gmail.com> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 13 Jun 2016 11:27:40 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465817261 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12799 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Jun 13, 2016 at 09:27:57AM +0300, Martin Aleksov wrote: > HiThere, > > I'm using XFS on Arch linux.Each 2 days I'm receiving this error: > > > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > > while doing this: > > > [martin@marto ~]$ sudo xfs_db -c frag -r /dev/sda2 sda2 is your root filesystem.. so I assume the filesystem is mounted when you run this? If so, this type of thing could be expected. Do you see errors in the logs otherwise? If not, I'd suggest to repeat this from a ramdisk or boot/recovery disk where the filesystem isn't mounted to confirm. Brian > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 > xfs_db: out of memory > > > > Here is the needed information: > > > Linux marto 4.6.2-1-ARCH #1 SMP PREEMPT Wed Jun 8 08:40:59 CEST 2016 > x86_64 GNU/Linux > ================================================ > > xfs_repair version 4.5.0 > ================================================== > > lscpu > Architecture: x86_64 > CPU op-mode(s): 32-bit, 64-bit > Byte Order: Little Endian > CPU(s): 4 > On-line CPU(s) list: 0-3 > Thread(s) per core: 2 > Core(s) per socket: 2 > Socket(s): 1 > NUMA node(s): 1 > Vendor ID: GenuineIntel > CPU family: 6 > Model: 58 > Model name: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz > Stepping: 9 > CPU MHz: 1213.964 > CPU max MHz: 3100.0000 > CPU min MHz: 1200.0000 > BogoMIPS: 4990.55 > Virtualization: VT-x > L1d cache: 32K > L1i cache: 32K > L2 cache: 256K > L3 cache: 3072K > NUMA node0 CPU(s): 0-3 > Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr > pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe > syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl > xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor > ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt > tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm epb tpr_shadow vnmi > flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts > ============================================================================== > > cat /proc/meminfo > MemTotal: 16025984 kB > MemFree: 13078108 kB > MemAvailable: 14024292 kB > Buffers: 5740 kB > Cached: 1373716 kB > SwapCached: 0 kB > Active: 1656728 kB > Inactive: 997388 kB > Active(anon): 1346700 kB > Inactive(anon): 158028 kB > Active(file): 310028 kB > Inactive(file): 839360 kB > Unevictable: 0 kB > Mlocked: 0 kB > SwapTotal: 2047996 kB > SwapFree: 2047996 kB > Dirty: 0 kB > Writeback: 0 kB > AnonPages: 1128564 kB > Mapped: 403056 kB > Shmem: 230068 kB > Slab: 131908 kB > SReclaimable: 97016 kB > SUnreclaim: 34892 kB > KernelStack: 7040 kB > PageTables: 17108 kB > NFS_Unstable: 0 kB > Bounce: 0 kB > WritebackTmp: 0 kB > CommitLimit: 10060988 kB > Committed_AS: 3812328 kB > VmallocTotal: 34359738367 kB > VmallocUsed: 0 kB > VmallocChunk: 0 kB > HardwareCorrupted: 0 kB > AnonHugePages: 317440 kB > HugePages_Total: 0 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > DirectMap4k: 82280 kB > DirectMap2M: 16279552 kB > ============================================== > cat /proc/mounts > proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 > sys /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 > dev /dev devtmpfs > rw,nosuid,relatime,size=8009624k,nr_inodes=2002406,mode=755 0 0 > run /run tmpfs rw,nosuid,nodev,relatime,mode=755 0 0 > /dev/sda2 / xfs rw,relatime,attr2,inode64,noquota 0 0 > securityfs /sys/kernel/security securityfs > rw,nosuid,nodev,noexec,relatime 0 0 > tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0 > devpts /dev/pts devpts > rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 > tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,mode=755 0 0 > cgroup /sys/fs/cgroup/systemd cgroup > rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd > 0 0 > pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0 > cgroup /sys/fs/cgroup/memory cgroup > rw,nosuid,nodev,noexec,relatime,memory 0 0 > cgroup /sys/fs/cgroup/net_cls cgroup > rw,nosuid,nodev,noexec,relatime,net_cls 0 0 > cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0 > cgroup /sys/fs/cgroup/cpuset cgroup > rw,nosuid,nodev,noexec,relatime,cpuset 0 0 > cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0 > cgroup /sys/fs/cgroup/cpu,cpuacct cgroup > rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0 > cgroup /sys/fs/cgroup/freezer cgroup > rw,nosuid,nodev,noexec,relatime,freezer 0 0 > cgroup /sys/fs/cgroup/devices cgroup > rw,nosuid,nodev,noexec,relatime,devices 0 0 > systemd-1 /proc/sys/fs/binfmt_misc autofs > rw,relatime,fd=26,pgrp=1,timeout=0,minproto=5,maxproto=5,direct 0 0 > mqueue /dev/mqueue mqueue rw,relatime 0 0 > debugfs /sys/kernel/debug debugfs rw,relatime 0 0 > hugetlbfs /dev/hugepages hugetlbfs rw,relatime 0 0 > configfs /sys/kernel/config configfs rw,relatime 0 0 > tmpfs /tmp tmpfs rw 0 0 > /dev/sda4 /home xfs rw,relatime,attr2,inode64,noquota 0 0 > /dev/sda1 /boot ext4 rw,relatime,data=ordered 0 0 > /dev/sdb1 /var xfs rw,relatime,attr2,inode64,noquota 0 0 > /dev/sdb2 /data xfs rw,relatime,attr2,inode64,noquota 0 0 > tmpfs /run/user/1000 tmpfs > rw,nosuid,nodev,relatime,size=1602600k,mode=700,uid=1000,gid=100 0 0 > gvfsd-fuse /run/user/1000/gvfs fuse.gvfsd-fuse > rw,nosuid,nodev,relatime,user_id=1000,group_id=100 0 0 > fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0 > ================================================================= > > cat /proc/partitions > major minor #blocks name > > 8 0 244198584 sda > 8 1 307200 sda1 > 8 2 20480000 sda2 > 8 3 2048000 sda3 > 8 4 221362176 sda4 > 8 16 488386584 sdb > 8 17 20971520 sdb1 > 8 18 467414016 sdb2 > > ====================================================== > > > I'm Using Samsumng 850 Evo SSD and normal HDD. > > ================================================= > > sudo hdparm -I /dev/sda |grep -i "write ca" > [sudo] password for martin: > * Write cache > > ================================================= > > [martin@marto ~]$ sudo hdparm -I /dev/sdb |grep -i "write ca" > * Write cache > > ======================================================== > > > > xfs_info /dev/sda2 > meta-data=/dev/sda2 isize=512 agcount=4, agsize=1280000 blks > = sectsz=512 attr=2, projid32bit=1 > = crc=1 finobt=1 spinodes=0 > data = bsize=4096 blocks=5120000, imaxpct=25 > = sunit=0 swidth=0 blks > naming =version 2 bsize=4096 ascii-ci=0 ftype=1 > log =internal bsize=4096 blocks=2560, version=2 > = sectsz=512 sunit=0 blks, lazy-count=1 > realtime =none extsz=4096 blocks=0, rtextents=0 > > ========================================================================== > [martin@marto ~]$ dmesg |grep -i xfs > [ 3.659623] SGI XFS with ACLs, security attributes, realtime, no > debug enabled > [ 3.662257] XFS (sda2): Mounting V5 Filesystem > [ 3.676309] XFS (sda2): Ending clean mount > [ 4.064618] XFS (sda4): Mounting V5 Filesystem > [ 4.068012] XFS (sdb2): Mounting V5 Filesystem > [ 4.074383] XFS (sdb1): Mounting V5 Filesystem > [ 4.082505] XFS (sda4): Ending clean mount > [ 4.299465] XFS (sdb1): Ending clean mount > [ 4.300056] XFS (sdb2): Ending clean mount > > After reboot the error is gone.Any advise what is causing this error and > how to fix the issue permenantly? > > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sandeen@sandeen.net Mon Jun 13 10:49:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C849E7CA0 for ; Mon, 13 Jun 2016 10:49:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9B817304032 for ; Mon, 13 Jun 2016 08:49:10 -0700 (PDT) X-ASG-Debug-ID: 1465832943-04cb6c3814806f0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id kMKF5L7FgnVW1XNp for ; Mon, 13 Jun 2016 08:49:03 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 74890B55 for ; Mon, 13 Jun 2016 10:49:03 -0500 (CDT) Subject: Re: Metadata corruption To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: Metadata corruption References: <7494383b-a153-7a79-b872-42ac6506ac9e@gmail.com> <20160613112738.GA4730@bfoster.bfoster> From: Eric Sandeen Message-ID: Date: Mon, 13 Jun 2016 10:49:02 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160613112738.GA4730@bfoster.bfoster> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465832943 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 901 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.10 X-Barracuda-Spam-Status: No, SCORE=1.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MV0613, BSF_SC0_SA085 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30399 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 1.00 BSF_SC0_MV0613 BSF_SC0_MV0613 0.10 BSF_SC0_SA085 Custom Rule SA085 On 6/13/16 6:27 AM, Brian Foster wrote: > On Mon, Jun 13, 2016 at 09:27:57AM +0300, Martin Aleksov wrote: >> HiThere, >> >> I'm using XFS on Arch linux.Each 2 days I'm receiving this error: >> >> >> Metadata corruption detected at xfs_inode block 0x5bd20/0x8000 >> >> while doing this: >> >> >> [martin@marto ~]$ sudo xfs_db -c frag -r /dev/sda2 > > sda2 is your root filesystem.. so I assume the filesystem is mounted > when you run this? If so, this type of thing could be expected. Do you > see errors in the logs otherwise? If not, I'd suggest to repeat this > from a ramdisk or boot/recovery disk where the filesystem isn't mounted > to confirm. That's probably it. In addition, I would suggest not running the frag command, as it is largely useless: http://xfs.org/index.php/XFS_FAQ#Q:_The_xfs_db_.22frag.22_command_says_I.27m_over_50.25._Is_that_bad.3F -Eric From ben@decadent.org.uk Mon Jun 13 13:37:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D1E4F7CA0 for ; Mon, 13 Jun 2016 13:37:36 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4DC65AC003 for ; Mon, 13 Jun 2016 11:37:36 -0700 (PDT) X-ASG-Debug-ID: 1465843054-04cbb03f54ac6f0001-NocioJ Received: from shadbolt.e.decadent.org.uk (shadbolt.e.decadent.org.uk [88.96.1.126]) by cuda.sgi.com with ESMTP id CuOxzZnAeJ42PQoo (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 13 Jun 2016 11:37:34 -0700 (PDT) X-Barracuda-Envelope-From: ben@decadent.org.uk X-Barracuda-Effective-Source-IP: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Apparent-Source-IP: 88.96.1.126 Received: from [2a02:8011:400e:2:6f00:88c8:c921:d332] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bCWjo-0007Ua-Li; Mon, 13 Jun 2016 19:37:28 +0100 Received: from ben by deadeye with local (Exim 4.87) (envelope-from ) id 1bCWjn-0005FO-Hj; Mon, 13 Jun 2016 19:37:27 +0100 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Brian Foster" , "Dave Chinner" , "Dave Chinner" , xfs@oss.sgi.com, "Jan Kara" Date: Mon, 13 Jun 2016 19:36:37 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 097/114] xfs: mmap lock needs to be inside freeze protection In-Reply-To: X-ASG-Orig-Subj: [PATCH 3.16 097/114] xfs: mmap lock needs to be inside freeze protection X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false X-Barracuda-Connect: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Start-Time: 1465843054 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1707 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30403 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 3.16.36-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Dave Chinner commit ec56b1f1fdc69599963574ce94cc5693d535dd64 upstream. Lock ordering for the new mmap lock needs to be: mmap_sem sb_start_pagefault i_mmap_lock page lock Right now xfs_vm_page_mkwrite gets this the wrong way around, While technically it cannot deadlock due to the current freeze ordering, it's still a landmine that might explode if we change anything in future. Hence we need to nest the locks correctly. Signed-off-by: Dave Chinner Reviewed-by: Jan Kara Reviewed-by: Brian Foster Signed-off-by: Dave Chinner Signed-off-by: Ben Hutchings Cc: Jan Kara Cc: xfs@oss.sgi.com --- fs/xfs/xfs_file.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1441,15 +1441,20 @@ xfs_filemap_page_mkwrite( struct vm_fault *vmf) { struct xfs_inode *ip = XFS_I(vma->vm_file->f_mapping->host); - int error; + int ret; trace_xfs_filemap_page_mkwrite(ip); + sb_start_pagefault(VFS_I(ip)->i_sb); + file_update_time(vma->vm_file); xfs_ilock(ip, XFS_MMAPLOCK_SHARED); - error = block_page_mkwrite(vma, vmf, xfs_get_blocks); + + ret = __block_page_mkwrite(vma, vmf, xfs_get_blocks); + xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); + sb_end_pagefault(VFS_I(ip)->i_sb); - return error; + return block_page_mkwrite_return(ret); } const struct file_operations xfs_file_operations = { From ben@decadent.org.uk Mon Jun 13 13:37:37 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AE60C7CA1 for ; Mon, 13 Jun 2016 13:37:37 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6E9BF304032 for ; Mon, 13 Jun 2016 11:37:37 -0700 (PDT) X-ASG-Debug-ID: 1465843051-04bdf01e1307450001-NocioJ Received: from shadbolt.e.decadent.org.uk (shadbolt.e.decadent.org.uk [88.96.1.126]) by cuda.sgi.com with ESMTP id bvA8AukHDni882Zt (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 13 Jun 2016 11:37:32 -0700 (PDT) X-Barracuda-Envelope-From: ben@decadent.org.uk X-Barracuda-Effective-Source-IP: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Apparent-Source-IP: 88.96.1.126 Received: from [2a02:8011:400e:2:6f00:88c8:c921:d332] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bCWjo-0007UV-PE; Mon, 13 Jun 2016 19:37:29 +0100 Received: from ben by deadeye with local (Exim 4.87) (envelope-from ) id 1bCWjn-0005F5-An; Mon, 13 Jun 2016 19:37:27 +0100 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Dave Chinner" , xfs@oss.sgi.com, "Jan Kara" , "Brian Foster" , "Dave Chinner" Date: Mon, 13 Jun 2016 19:36:37 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 093/114] xfs: use i_mmaplock on write faults In-Reply-To: X-ASG-Orig-Subj: [PATCH 3.16 093/114] xfs: use i_mmaplock on write faults X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false X-Barracuda-Connect: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Start-Time: 1465843052 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3213 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30403 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 3.16.36-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Dave Chinner commit 075a924d45cc69c75a35f20b4912b85aa98b180a upstream. Take the i_mmaplock over write page faults. These come through the ->page_mkwrite callout, so we need to wrap that calls with the i_mmaplock. This gives us a lock order of mmap_sem -> i_mmaplock -> page_lock -> i_lock. Also, move the page_mkwrite wrapper to the same region of xfs_file.c as the read fault wrappers and add a tracepoint. Signed-off-by: Dave Chinner Reviewed-by: Brian Foster Signed-off-by: Dave Chinner [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings Cc: Jan Kara Cc: xfs@oss.sgi.com --- fs/xfs/xfs_file.c | 39 ++++++++++++++++++++++++--------------- fs/xfs/xfs_trace.h | 1 + 2 files changed, 25 insertions(+), 15 deletions(-) --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -957,20 +957,6 @@ xfs_file_mmap( } /* - * mmap()d file has taken write protection fault and is being made - * writable. We can set the page state up correctly for a writable - * page, which means we can do correct delalloc accounting (ENOSPC - * checking!) and unwritten extent mapping. - */ -STATIC int -xfs_vm_page_mkwrite( - struct vm_area_struct *vma, - struct vm_fault *vmf) -{ - return block_page_mkwrite(vma, vmf, xfs_get_blocks); -} - -/* * This type is designed to indicate the type of offset we would like * to search from page cache for either xfs_seek_data() or xfs_seek_hole(). */ @@ -1443,6 +1429,29 @@ xfs_filemap_fault( return error; } +/* + * mmap()d file has taken write protection fault and is being made writable. We + * can set the page state up correctly for a writable page, which means we can + * do correct delalloc accounting (ENOSPC checking!) and unwritten extent + * mapping. + */ +STATIC int +xfs_filemap_page_mkwrite( + struct vm_area_struct *vma, + struct vm_fault *vmf) +{ + struct xfs_inode *ip = XFS_I(vma->vm_file->f_mapping->host); + int error; + + trace_xfs_filemap_page_mkwrite(ip); + + xfs_ilock(ip, XFS_MMAPLOCK_SHARED); + error = block_page_mkwrite(vma, vmf, xfs_get_blocks); + xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); + + return error; +} + const struct file_operations xfs_file_operations = { .llseek = xfs_file_llseek, .read = new_sync_read, @@ -1477,6 +1486,6 @@ const struct file_operations xfs_dir_fil static const struct vm_operations_struct xfs_file_vm_ops = { .fault = xfs_filemap_fault, .map_pages = filemap_map_pages, - .page_mkwrite = xfs_vm_page_mkwrite, + .page_mkwrite = xfs_filemap_page_mkwrite, .remap_pages = generic_file_remap_pages, }; --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -685,6 +685,7 @@ DEFINE_INODE_EVENT(xfs_inode_clear_eofbl DEFINE_INODE_EVENT(xfs_inode_free_eofblocks_invalid); DEFINE_INODE_EVENT(xfs_filemap_fault); +DEFINE_INODE_EVENT(xfs_filemap_page_mkwrite); DECLARE_EVENT_CLASS(xfs_iref_class, TP_PROTO(struct xfs_inode *ip, unsigned long caller_ip), From ben@decadent.org.uk Mon Jun 13 13:37:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0FAEC7CA2 for ; Mon, 13 Jun 2016 13:37:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id C94BA304048 for ; Mon, 13 Jun 2016 11:37:34 -0700 (PDT) X-ASG-Debug-ID: 1465843051-04cbb03f52ac6c0001-NocioJ Received: from shadbolt.e.decadent.org.uk (shadbolt.e.decadent.org.uk [88.96.1.126]) by cuda.sgi.com with ESMTP id Zx1FQ4vcNpm6RR51 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 13 Jun 2016 11:37:32 -0700 (PDT) X-Barracuda-Envelope-From: ben@decadent.org.uk X-Barracuda-Effective-Source-IP: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Apparent-Source-IP: 88.96.1.126 Received: from [2a02:8011:400e:2:6f00:88c8:c921:d332] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bCWjo-0007UW-Pb; Mon, 13 Jun 2016 19:37:29 +0100 Received: from ben by deadeye with local (Exim 4.87) (envelope-from ) id 1bCWjn-0005Ez-A6; Mon, 13 Jun 2016 19:37:27 +0100 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Jan Kara" , "Dave Chinner" , xfs@oss.sgi.com, "Dave Chinner" , "Brian Foster" Date: Mon, 13 Jun 2016 19:36:37 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 092/114] xfs: use i_mmaplock on read faults In-Reply-To: X-ASG-Orig-Subj: [PATCH 3.16 092/114] xfs: use i_mmaplock on read faults X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false X-Barracuda-Connect: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Start-Time: 1465843052 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2453 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30403 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 3.16.36-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Dave Chinner commit de0e8c20ba3a65b0f15040aabbefdc1999876e6b upstream. Take the i_mmaplock over read page faults. These come through the ->fault callout, so we need to wrap the generic implementation with the i_mmaplock. While there, add tracepoints for the read fault as it passes through XFS. This gives us a lock order of mmap_sem -> i_mmaplock -> page_lock -> i_lock. Signed-off-by: Dave Chinner Reviewed-by: Brian Foster Signed-off-by: Dave Chinner Signed-off-by: Ben Hutchings Cc: Jan Kara Cc: xfs@oss.sgi.com --- fs/xfs/xfs_file.c | 28 +++++++++++++++++++++++++++- fs/xfs/xfs_trace.h | 2 ++ 2 files changed, 29 insertions(+), 1 deletion(-) --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1417,6 +1417,32 @@ xfs_file_llseek( } } +/* + * Locking for serialisation of IO during page faults. This results in a lock + * ordering of: + * + * mmap_sem (MM) + * i_mmap_lock (XFS - truncate serialisation) + * page_lock (MM) + * i_lock (XFS - extent map serialisation) + */ +STATIC int +xfs_filemap_fault( + struct vm_area_struct *vma, + struct vm_fault *vmf) +{ + struct xfs_inode *ip = XFS_I(vma->vm_file->f_mapping->host); + int error; + + trace_xfs_filemap_fault(ip); + + xfs_ilock(ip, XFS_MMAPLOCK_SHARED); + error = filemap_fault(vma, vmf); + xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); + + return error; +} + const struct file_operations xfs_file_operations = { .llseek = xfs_file_llseek, .read = new_sync_read, @@ -1449,7 +1475,7 @@ const struct file_operations xfs_dir_fil }; static const struct vm_operations_struct xfs_file_vm_ops = { - .fault = filemap_fault, + .fault = xfs_filemap_fault, .map_pages = filemap_map_pages, .page_mkwrite = xfs_vm_page_mkwrite, .remap_pages = generic_file_remap_pages, --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -684,6 +684,8 @@ DEFINE_INODE_EVENT(xfs_inode_set_eofbloc DEFINE_INODE_EVENT(xfs_inode_clear_eofblocks_tag); DEFINE_INODE_EVENT(xfs_inode_free_eofblocks_invalid); +DEFINE_INODE_EVENT(xfs_filemap_fault); + DECLARE_EVENT_CLASS(xfs_iref_class, TP_PROTO(struct xfs_inode *ip, unsigned long caller_ip), TP_ARGS(ip, caller_ip), From ben@decadent.org.uk Mon Jun 13 13:37:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 016607CA0 for ; Mon, 13 Jun 2016 13:37:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id C8CFD304039 for ; Mon, 13 Jun 2016 11:37:34 -0700 (PDT) X-ASG-Debug-ID: 1465843050-04cbb03f55ac6c0001-NocioJ Received: from shadbolt.e.decadent.org.uk (shadbolt.e.decadent.org.uk [88.96.1.126]) by cuda.sgi.com with ESMTP id LF5tEsxHs9IKlfqH (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 13 Jun 2016 11:37:31 -0700 (PDT) X-Barracuda-Envelope-From: ben@decadent.org.uk X-Barracuda-Effective-Source-IP: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Apparent-Source-IP: 88.96.1.126 Received: from [2a02:8011:400e:2:6f00:88c8:c921:d332] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bCWjo-0007UR-Pa; Mon, 13 Jun 2016 19:37:29 +0100 Received: from ben by deadeye with local (Exim 4.87) (envelope-from ) id 1bCWjn-0005FA-CG; Mon, 13 Jun 2016 19:37:27 +0100 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, xfs@oss.sgi.com, "Dave Chinner" , "Jan Kara" , "Brian Foster" , "Dave Chinner" Date: Mon, 13 Jun 2016 19:36:37 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 094/114] xfs: take i_mmap_lock on extent manipulation operations In-Reply-To: X-ASG-Orig-Subj: [PATCH 3.16 094/114] xfs: take i_mmap_lock on extent manipulation operations X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false X-Barracuda-Connect: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Start-Time: 1465843051 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3132 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30403 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 3.16.36-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Dave Chinner commit e8e9ad42c1f1e1bfbe0e8c32c8cac02e9ebfb7ef upstream. Now we have the i_mmap_lock being held across the page fault IO path, we now add extent manipulation operation exclusion by adding the lock to the paths that directly modify extent maps. This includes truncate, hole punching and other fallocate based operations. The operations will now take both the i_iolock and the i_mmaplock in exclusive mode, thereby ensuring that all IO and page faults block without holding any page locks while the extent manipulation is in progress. This gives us the lock order during truncate of i_iolock -> i_mmaplock -> page_lock -> i_lock, hence providing the same lock order as the iolock provides the normal IO path without involving the mmap_sem. Signed-off-by: Dave Chinner Reviewed-by: Brian Foster Signed-off-by: Dave Chinner [bwh: Backported to 3.16: - We never need to break layouts, so take both i_iolock and i_mmaplock at the same time - Adjust context] Signed-off-by: Ben Hutchings Cc: Jan Kara Cc: xfs@oss.sgi.com --- --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -786,7 +786,7 @@ xfs_file_fallocate( FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE)) return -EOPNOTSUPP; - xfs_ilock(ip, XFS_IOLOCK_EXCL); + xfs_ilock(ip, XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL); if (mode & FALLOC_FL_PUNCH_HOLE) { error = xfs_free_file_space(ip, offset, len); if (error) @@ -866,7 +866,7 @@ xfs_file_fallocate( } out_unlock: - xfs_iunlock(ip, XFS_IOLOCK_EXCL); + xfs_iunlock(ip, XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL); return -error; } --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -640,7 +640,7 @@ xfs_ioc_space( if (error) return error; - xfs_ilock(ip, XFS_IOLOCK_EXCL); + xfs_ilock(ip, XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL); switch (bf->l_whence) { case 0: /*SEEK_SET*/ @@ -757,7 +757,7 @@ xfs_ioc_space( error = xfs_trans_commit(tp, 0); out_unlock: - xfs_iunlock(ip, XFS_IOLOCK_EXCL); + xfs_iunlock(ip, XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL); mnt_drop_write_file(filp); return -error; } --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -759,6 +759,7 @@ xfs_setattr_size( return XFS_ERROR(error); ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); + ASSERT(xfs_isilocked(ip, XFS_MMAPLOCK_EXCL)); ASSERT(S_ISREG(ip->i_d.di_mode)); ASSERT((iattr->ia_valid & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET| ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0); @@ -935,9 +936,9 @@ xfs_vn_setattr( int error; if (iattr->ia_valid & ATTR_SIZE) { - xfs_ilock(ip, XFS_IOLOCK_EXCL); + xfs_ilock(ip, XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL); error = xfs_setattr_size(ip, iattr); - xfs_iunlock(ip, XFS_IOLOCK_EXCL); + xfs_iunlock(ip, XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL); } else { error = xfs_setattr_nonsize(ip, iattr, 0); } From ben@decadent.org.uk Mon Jun 13 13:37:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 917137CAF for ; Mon, 13 Jun 2016 13:37:40 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 645118F8033 for ; Mon, 13 Jun 2016 11:37:37 -0700 (PDT) X-ASG-Debug-ID: 1465843053-04cbb03f53ac6e0001-NocioJ Received: from shadbolt.e.decadent.org.uk (shadbolt.e.decadent.org.uk [88.96.1.126]) by cuda.sgi.com with ESMTP id 9AfKmmGJyGSHPM91 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 13 Jun 2016 11:37:34 -0700 (PDT) X-Barracuda-Envelope-From: ben@decadent.org.uk X-Barracuda-Effective-Source-IP: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Apparent-Source-IP: 88.96.1.126 Received: from [2a02:8011:400e:2:6f00:88c8:c921:d332] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bCWjp-0007VR-Ts; Mon, 13 Jun 2016 19:37:30 +0100 Received: from ben by deadeye with local (Exim 4.87) (envelope-from ) id 1bCWjn-0005Ev-9N; Mon, 13 Jun 2016 19:37:27 +0100 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Jan Kara" , xfs@oss.sgi.com, "Dave Chinner" , "Dave Chinner" , "Brian Foster" Date: Mon, 13 Jun 2016 19:36:37 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 091/114] xfs: introduce mmap/truncate lock In-Reply-To: X-ASG-Orig-Subj: [PATCH 3.16 091/114] xfs: introduce mmap/truncate lock X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false X-Barracuda-Connect: shadbolt.e.decadent.org.uk[88.96.1.126] X-Barracuda-Start-Time: 1465843053 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13807 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30403 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 3.16.36-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Dave Chinner commit 653c60b633a9019a54a80d64b5ed33ecb214823c upstream. Right now we cannot serialise mmap against truncate or hole punch sanely. ->page_mkwrite is not able to take locks that the read IO path normally takes (i.e. the inode iolock) because that could result in lock inversions (read - iolock - page fault - page_mkwrite - iolock) and so we cannot use an IO path lock to serialise page write faults against truncate operations. Instead, introduce a new lock that is used *only* in the ->page_mkwrite path that is the equivalent of the iolock. The lock ordering in a page fault is i_mmaplock -> page lock -> i_ilock, and so in truncate we can i_iolock -> i_mmaplock and so lock out new write faults during the process of truncation. Because i_mmap_lock is outside the page lock, we can hold it across all the same operations we hold the i_iolock for. The only difference is that we never hold the i_mmaplock in the normal IO path and so do not ever have the possibility that we can page fault inside it. Hence there are no recursion issues on the i_mmap_lock and so we can use it to serialise page fault IO against inode modification operations that affect the IO path. This patch introduces the i_mmaplock infrastructure, lockdep annotations and initialisation/destruction code. Use of the new lock will be in subsequent patches. Signed-off-by: Dave Chinner Reviewed-by: Brian Foster Signed-off-by: Dave Chinner Signed-off-by: Ben Hutchings Cc: Jan Kara Cc: xfs@oss.sgi.com --- fs/xfs/xfs_inode.c | 128 ++++++++++++++++++++++++++++++++++++++++------------- fs/xfs/xfs_inode.h | 29 +++++++++--- fs/xfs/xfs_super.c | 2 + 3 files changed, 121 insertions(+), 38 deletions(-) --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -119,24 +119,34 @@ xfs_ilock_attr_map_shared( } /* - * The xfs inode contains 2 locks: a multi-reader lock called the - * i_iolock and a multi-reader lock called the i_lock. This routine - * allows either or both of the locks to be obtained. + * The xfs inode contains 3 multi-reader locks: the i_iolock the i_mmap_lock and + * the i_lock. This routine allows various combinations of the locks to be + * obtained. * - * The 2 locks should always be ordered so that the IO lock is - * obtained first in order to prevent deadlock. + * The 3 locks should always be ordered so that the IO lock is obtained first, + * the mmap lock second and the ilock last in order to prevent deadlock. * - * ip -- the inode being locked - * lock_flags -- this parameter indicates the inode's locks - * to be locked. It can be: - * XFS_IOLOCK_SHARED, - * XFS_IOLOCK_EXCL, - * XFS_ILOCK_SHARED, - * XFS_ILOCK_EXCL, - * XFS_IOLOCK_SHARED | XFS_ILOCK_SHARED, - * XFS_IOLOCK_SHARED | XFS_ILOCK_EXCL, - * XFS_IOLOCK_EXCL | XFS_ILOCK_SHARED, - * XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL + * Basic locking order: + * + * i_iolock -> i_mmap_lock -> page_lock -> i_ilock + * + * mmap_sem locking order: + * + * i_iolock -> page lock -> mmap_sem + * mmap_sem -> i_mmap_lock -> page_lock + * + * The difference in mmap_sem locking order mean that we cannot hold the + * i_mmap_lock over syscall based read(2)/write(2) based IO. These IO paths can + * fault in pages during copy in/out (for buffered IO) or require the mmap_sem + * in get_user_pages() to map the user pages into the kernel address space for + * direct IO. Similarly the i_iolock cannot be taken inside a page fault because + * page faults already hold the mmap_sem. + * + * Hence to serialise fully against both syscall and mmap based IO, we need to + * take both the i_iolock and the i_mmap_lock. These locks should *only* be both + * taken in places where we need to invalidate the page cache in a race + * free manner (e.g. truncate, hole punch and other extent manipulation + * functions). */ void xfs_ilock( @@ -152,6 +162,8 @@ xfs_ilock( */ ASSERT((lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) != (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)); + ASSERT((lock_flags & (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)) != + (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)); ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) != (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)); ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_DEP_MASK)) == 0); @@ -161,6 +173,11 @@ xfs_ilock( else if (lock_flags & XFS_IOLOCK_SHARED) mraccess_nested(&ip->i_iolock, XFS_IOLOCK_DEP(lock_flags)); + if (lock_flags & XFS_MMAPLOCK_EXCL) + mrupdate_nested(&ip->i_mmaplock, XFS_MMAPLOCK_DEP(lock_flags)); + else if (lock_flags & XFS_MMAPLOCK_SHARED) + mraccess_nested(&ip->i_mmaplock, XFS_MMAPLOCK_DEP(lock_flags)); + if (lock_flags & XFS_ILOCK_EXCL) mrupdate_nested(&ip->i_lock, XFS_ILOCK_DEP(lock_flags)); else if (lock_flags & XFS_ILOCK_SHARED) @@ -193,6 +210,8 @@ xfs_ilock_nowait( */ ASSERT((lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) != (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)); + ASSERT((lock_flags & (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)) != + (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)); ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) != (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)); ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_DEP_MASK)) == 0); @@ -204,21 +223,35 @@ xfs_ilock_nowait( if (!mrtryaccess(&ip->i_iolock)) goto out; } + + if (lock_flags & XFS_MMAPLOCK_EXCL) { + if (!mrtryupdate(&ip->i_mmaplock)) + goto out_undo_iolock; + } else if (lock_flags & XFS_MMAPLOCK_SHARED) { + if (!mrtryaccess(&ip->i_mmaplock)) + goto out_undo_iolock; + } + if (lock_flags & XFS_ILOCK_EXCL) { if (!mrtryupdate(&ip->i_lock)) - goto out_undo_iolock; + goto out_undo_mmaplock; } else if (lock_flags & XFS_ILOCK_SHARED) { if (!mrtryaccess(&ip->i_lock)) - goto out_undo_iolock; + goto out_undo_mmaplock; } return 1; - out_undo_iolock: +out_undo_mmaplock: + if (lock_flags & XFS_MMAPLOCK_EXCL) + mrunlock_excl(&ip->i_mmaplock); + else if (lock_flags & XFS_MMAPLOCK_SHARED) + mrunlock_shared(&ip->i_mmaplock); +out_undo_iolock: if (lock_flags & XFS_IOLOCK_EXCL) mrunlock_excl(&ip->i_iolock); else if (lock_flags & XFS_IOLOCK_SHARED) mrunlock_shared(&ip->i_iolock); - out: +out: return 0; } @@ -246,6 +279,8 @@ xfs_iunlock( */ ASSERT((lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) != (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)); + ASSERT((lock_flags & (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)) != + (XFS_MMAPLOCK_SHARED | XFS_MMAPLOCK_EXCL)); ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) != (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)); ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_DEP_MASK)) == 0); @@ -256,6 +291,11 @@ xfs_iunlock( else if (lock_flags & XFS_IOLOCK_SHARED) mrunlock_shared(&ip->i_iolock); + if (lock_flags & XFS_MMAPLOCK_EXCL) + mrunlock_excl(&ip->i_mmaplock); + else if (lock_flags & XFS_MMAPLOCK_SHARED) + mrunlock_shared(&ip->i_mmaplock); + if (lock_flags & XFS_ILOCK_EXCL) mrunlock_excl(&ip->i_lock); else if (lock_flags & XFS_ILOCK_SHARED) @@ -273,11 +313,14 @@ xfs_ilock_demote( xfs_inode_t *ip, uint lock_flags) { - ASSERT(lock_flags & (XFS_IOLOCK_EXCL|XFS_ILOCK_EXCL)); - ASSERT((lock_flags & ~(XFS_IOLOCK_EXCL|XFS_ILOCK_EXCL)) == 0); + ASSERT(lock_flags & (XFS_IOLOCK_EXCL|XFS_MMAPLOCK_EXCL|XFS_ILOCK_EXCL)); + ASSERT((lock_flags & + ~(XFS_IOLOCK_EXCL|XFS_MMAPLOCK_EXCL|XFS_ILOCK_EXCL)) == 0); if (lock_flags & XFS_ILOCK_EXCL) mrdemote(&ip->i_lock); + if (lock_flags & XFS_MMAPLOCK_EXCL) + mrdemote(&ip->i_mmaplock); if (lock_flags & XFS_IOLOCK_EXCL) mrdemote(&ip->i_iolock); @@ -296,6 +339,12 @@ xfs_isilocked( return rwsem_is_locked(&ip->i_lock.mr_lock); } + if (lock_flags & (XFS_MMAPLOCK_EXCL|XFS_MMAPLOCK_SHARED)) { + if (!(lock_flags & XFS_MMAPLOCK_SHARED)) + return !!ip->i_mmaplock.mr_writer; + return rwsem_is_locked(&ip->i_mmaplock.mr_lock); + } + if (lock_flags & (XFS_IOLOCK_EXCL|XFS_IOLOCK_SHARED)) { if (!(lock_flags & XFS_IOLOCK_SHARED)) return !!ip->i_iolock.mr_writer; @@ -316,14 +365,27 @@ int xfs_lock_delays; #endif /* - * Bump the subclass so xfs_lock_inodes() acquires each lock with - * a different value + * Bump the subclass so xfs_lock_inodes() acquires each lock with a different + * value. This shouldn't be called for page fault locking, but we also need to + * ensure we don't overrun the number of lockdep subclasses for the iolock or + * mmaplock as that is limited to 12 by the mmap lock lockdep annotations. */ static inline int xfs_lock_inumorder(int lock_mode, int subclass) { - if (lock_mode & (XFS_IOLOCK_SHARED|XFS_IOLOCK_EXCL)) + if (lock_mode & (XFS_IOLOCK_SHARED|XFS_IOLOCK_EXCL)) { + ASSERT(subclass + XFS_LOCK_INUMORDER < + (1 << (XFS_MMAPLOCK_SHIFT - XFS_IOLOCK_SHIFT))); lock_mode |= (subclass + XFS_LOCK_INUMORDER) << XFS_IOLOCK_SHIFT; + } + + if (lock_mode & (XFS_MMAPLOCK_SHARED|XFS_MMAPLOCK_EXCL)) { + ASSERT(subclass + XFS_LOCK_INUMORDER < + (1 << (XFS_ILOCK_SHIFT - XFS_MMAPLOCK_SHIFT))); + lock_mode |= (subclass + XFS_LOCK_INUMORDER) << + XFS_MMAPLOCK_SHIFT; + } + if (lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL)) lock_mode |= (subclass + XFS_LOCK_INUMORDER) << XFS_ILOCK_SHIFT; @@ -442,10 +504,10 @@ again: } /* - * xfs_lock_two_inodes() can only be used to lock one type of lock - * at a time - the iolock or the ilock, but not both at once. If - * we lock both at once, lockdep will report false positives saying - * we have violated locking orders. + * xfs_lock_two_inodes() can only be used to lock one type of lock at a time - + * the iolock, the mmaplock or the ilock, but not more than one at a time. If we + * lock more than one at a time, lockdep will report false positives saying we + * have violated locking orders. */ void xfs_lock_two_inodes( @@ -457,8 +519,12 @@ xfs_lock_two_inodes( int attempts = 0; xfs_log_item_t *lp; - if (lock_mode & (XFS_IOLOCK_SHARED|XFS_IOLOCK_EXCL)) - ASSERT((lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL)) == 0); + if (lock_mode & (XFS_IOLOCK_SHARED|XFS_IOLOCK_EXCL)) { + ASSERT(!(lock_mode & (XFS_MMAPLOCK_SHARED|XFS_MMAPLOCK_EXCL))); + ASSERT(!(lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL))); + } else if (lock_mode & (XFS_MMAPLOCK_SHARED|XFS_MMAPLOCK_EXCL)) + ASSERT(!(lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL))); + ASSERT(ip0->i_ino != ip1->i_ino); if (ip0->i_ino > ip1->i_ino) { --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -57,6 +57,7 @@ typedef struct xfs_inode { struct xfs_inode_log_item *i_itemp; /* logging information */ mrlock_t i_lock; /* inode lock */ mrlock_t i_iolock; /* inode IO lock */ + mrlock_t i_mmaplock; /* inode mmap IO lock */ atomic_t i_pincount; /* inode pin count */ spinlock_t i_flags_lock; /* inode i_flags lock */ /* Miscellaneous state. */ @@ -264,15 +265,20 @@ static inline int xfs_isiflocked(struct #define XFS_IOLOCK_SHARED (1<<1) #define XFS_ILOCK_EXCL (1<<2) #define XFS_ILOCK_SHARED (1<<3) +#define XFS_MMAPLOCK_EXCL (1<<4) +#define XFS_MMAPLOCK_SHARED (1<<5) #define XFS_LOCK_MASK (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED \ - | XFS_ILOCK_EXCL | XFS_ILOCK_SHARED) + | XFS_ILOCK_EXCL | XFS_ILOCK_SHARED \ + | XFS_MMAPLOCK_EXCL | XFS_MMAPLOCK_SHARED) #define XFS_LOCK_FLAGS \ { XFS_IOLOCK_EXCL, "IOLOCK_EXCL" }, \ { XFS_IOLOCK_SHARED, "IOLOCK_SHARED" }, \ { XFS_ILOCK_EXCL, "ILOCK_EXCL" }, \ - { XFS_ILOCK_SHARED, "ILOCK_SHARED" } + { XFS_ILOCK_SHARED, "ILOCK_SHARED" }, \ + { XFS_MMAPLOCK_EXCL, "MMAPLOCK_EXCL" }, \ + { XFS_MMAPLOCK_SHARED, "MMAPLOCK_SHARED" } /* @@ -303,17 +309,26 @@ static inline int xfs_isiflocked(struct #define XFS_IOLOCK_SHIFT 16 #define XFS_IOLOCK_PARENT (XFS_LOCK_PARENT << XFS_IOLOCK_SHIFT) +#define XFS_MMAPLOCK_SHIFT 20 + #define XFS_ILOCK_SHIFT 24 #define XFS_ILOCK_PARENT (XFS_LOCK_PARENT << XFS_ILOCK_SHIFT) #define XFS_ILOCK_RTBITMAP (XFS_LOCK_RTBITMAP << XFS_ILOCK_SHIFT) #define XFS_ILOCK_RTSUM (XFS_LOCK_RTSUM << XFS_ILOCK_SHIFT) -#define XFS_IOLOCK_DEP_MASK 0x00ff0000 +#define XFS_IOLOCK_DEP_MASK 0x000f0000 +#define XFS_MMAPLOCK_DEP_MASK 0x00f00000 #define XFS_ILOCK_DEP_MASK 0xff000000 -#define XFS_LOCK_DEP_MASK (XFS_IOLOCK_DEP_MASK | XFS_ILOCK_DEP_MASK) - -#define XFS_IOLOCK_DEP(flags) (((flags) & XFS_IOLOCK_DEP_MASK) >> XFS_IOLOCK_SHIFT) -#define XFS_ILOCK_DEP(flags) (((flags) & XFS_ILOCK_DEP_MASK) >> XFS_ILOCK_SHIFT) +#define XFS_LOCK_DEP_MASK (XFS_IOLOCK_DEP_MASK | \ + XFS_MMAPLOCK_DEP_MASK | \ + XFS_ILOCK_DEP_MASK) + +#define XFS_IOLOCK_DEP(flags) (((flags) & XFS_IOLOCK_DEP_MASK) \ + >> XFS_IOLOCK_SHIFT) +#define XFS_MMAPLOCK_DEP(flags) (((flags) & XFS_MMAPLOCK_DEP_MASK) \ + >> XFS_MMAPLOCK_SHIFT) +#define XFS_ILOCK_DEP(flags) (((flags) & XFS_ILOCK_DEP_MASK) \ + >> XFS_ILOCK_SHIFT) /* * For multiple groups support: if S_ISGID bit is set in the parent --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -982,6 +982,8 @@ xfs_fs_inode_init_once( atomic_set(&ip->i_pincount, 0); spin_lock_init(&ip->i_flags_lock); + mrlock_init(&ip->i_mmaplock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER, + "xfsino", ip->i_ino); mrlock_init(&ip->i_lock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER, "xfsino", ip->i_ino); } From sandeen@sandeen.net Mon Jun 13 16:32:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 00FC37CA0 for ; Mon, 13 Jun 2016 16:32:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5D71CAC001 for ; Mon, 13 Jun 2016 14:32:31 -0700 (PDT) X-ASG-Debug-ID: 1465853542-04cbb03f55c3fb0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id jom1uKYxaD3U24IY for ; Mon, 13 Jun 2016 14:32:22 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 9F10DB55 for ; Mon, 13 Jun 2016 16:32:22 -0500 (CDT) Subject: Re: [PATCH] xfs: hide unused variable To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] xfs: hide unused variable References: <1460838665-1249242-1-git-send-email-arnd@arndb.de> From: Eric Sandeen Message-ID: <24741415-3bd6-18cd-6ba7-cd86b1d4149d@sandeen.net> Date: Mon, 13 Jun 2016 16:32:22 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1460838665-1249242-1-git-send-email-arnd@arndb.de> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1465853542 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1419 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30408 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 4/16/16 3:30 PM, Arnd Bergmann wrote: > The newly added xfs_finish_page_writeback() function causes > a harmless gcc warning when debugging is disabled: > > fs/xfs/xfs_aops.c: In function 'xfs_finish_page_writeback': > fs/xfs/xfs_aops.c:97:16: error: unused variable 'blockmask' [-Werror=unused-variable] > unsigned int blockmask = (1 << inode->i_blkbits) - 1; > ^~~~~~~~~ > > This adds an #ifdef around the variable declaration to hide > it whenever the ASSERT macro is defined as a stub, following > the same style as used elsewhere in xfs. Thanks Arnd - This got fixed by hch's patch, 690a787 xfs: fix warning in xfs_finish_page_writeback for non-debug builds -Eric > Signed-off-by: Arnd Bergmann > Fixes: 37992c18bba3 ("xfs: don't release bios on completion immediately") > --- > fs/xfs/xfs_aops.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c > index e5c3a457c191..737d028914a2 100644 > --- a/fs/xfs/xfs_aops.c > +++ b/fs/xfs/xfs_aops.c > @@ -94,7 +94,9 @@ xfs_finish_page_writeback( > struct bio_vec *bvec, > int error) > { > +#if defined(DEBUG) || defined(XFS_WARN) > unsigned int blockmask = (1 << inode->i_blkbits) - 1; > +#endif > unsigned int end = bvec->bv_offset + bvec->bv_len - 1; > struct buffer_head *head, *bh; > unsigned int off = 0; > From whissi@whissi.de Mon Jun 13 16:58:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 605A97CA0 for ; Mon, 13 Jun 2016 16:58:06 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id DEE12AC004 for ; Mon, 13 Jun 2016 14:58:03 -0700 (PDT) X-ASG-Debug-ID: 1465855075-04cb6c381389690001-NocioJ Received: from yamato.tf-network.de (yamato.tf-network.de [93.186.202.221]) by cuda.sgi.com with ESMTP id AQ6GjxI9rUSpWHMB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 13 Jun 2016 14:57:56 -0700 (PDT) X-Barracuda-Envelope-From: whissi@whissi.de X-Barracuda-Effective-Source-IP: yamato.tf-network.de[93.186.202.221] X-Barracuda-Apparent-Source-IP: 93.186.202.221 Received: from amavis3.tf-network.de ([IPv6:2001:4ba0:ffa0:1b::d1:221]) by yamato.tf-network.de (Postfix) with ESMTP id 3rT68f6m53z45m1 for ; Mon, 13 Jun 2016 23:57:54 +0200 (CEST) X-Virus-Scanned: amavisd-new at amavis3.tf-network.de Received: from smtp.tf-network.de ([93.186.202.221]) by amavis3.tf-network.de ([IPv6:2001:4ba0:ffa0:1b::d1:221]) (amavisd-new, port 10024) with LMTP id JeBIUkEnd1eZ for ; Mon, 13 Jun 2016 23:57:54 +0200 (CEST) Received: from [192.168.2.10] (pD9F15652.dip0.t-ipconnect.de [217.241.86.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.tf-network.de (Postfix) with ESMTPSA id 3rT68f18LTz45ls for ; Mon, 13 Jun 2016 23:57:54 +0200 (CEST) To: xfs@oss.sgi.com From: "Thomas D." Subject: Something badly broken with the latest XFS changeset in all stable kernels? Message-ID: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> X-ASG-Orig-Subj: Something badly broken with the latest XFS changeset in all stable kernels? Date: Mon, 13 Jun 2016 23:57:53 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: yamato.tf-network.de[93.186.202.221] X-Barracuda-Start-Time: 1465855076 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1574 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30408 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Hi, can anybody confirm if there's something broken with the latest XFS change set which is now applied on all stable kernels? I found https://forums.grsecurity.net/viewtopic.php?t=4489&p=16355 and grsec changelog says > commit 1f621dc42acbabb71bd69f6ba606cee56e7ad3bc > Author: Brad Spengler > Date: Sat Jun 11 08:14:32 2016 -0400 > > Fix Greg KH's broken XFS backport, caused a benign case to be detected > as disk corruption > Problem was due to a tree-wide conversion of error codes to their negative > counterparts, which would likely never be backported to older kernels, but > the backports didn't account for the change > > fs/xfs/xfs_inode.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) This is the change grsec applied: > diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c > index fb8579d..af807d8 100644 > --- a/fs/xfs/xfs_inode.c > +++ b/fs/xfs/xfs_inode.c > @@ -3098,7 +3111,7 @@ xfs_iflush( > */ > error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, XBF_TRYLOCK, > 0); > - if (error == -EAGAIN) { > + if (error == EAGAIN) { > xfs_ifunlock(ip); > return error; > } The bad commit according to grsec's statement is > From b1438f477934f5a4d5a44df26f3079a7575d5946 Mon Sep 17 00:00:00 2001 > From: Dave Chinner > Date: Wed, 18 May 2016 13:53:42 +1000 > Subject: [PATCH] xfs: xfs_iflush_cluster fails to abort on error Would be nice to get some clarification. Thanks. -- Regards, Thomas From ning_wang@asdc.com.cn Mon Jun 13 20:51:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.6 required=5.0 tests=HTML_MESSAGE, HTML_OBFUSCATE_05_10 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1ABD07CA2 for ; Mon, 13 Jun 2016 20:51:25 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 63B66AC003 for ; Mon, 13 Jun 2016 18:51:20 -0700 (PDT) X-ASG-Debug-ID: 1465869072-04cb6c38148df30001-NocioJ Received: from regular2.263xmail.com (regular2.263xmail.com [211.157.152.3]) by cuda.sgi.com with ESMTP id K1efuh4bINl5QFoG (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 13 Jun 2016 18:51:15 -0700 (PDT) X-Barracuda-Envelope-From: ning_wang@asdc.com.cn X-Barracuda-Effective-Source-IP: regular2.263xmail.com[211.157.152.3] X-Barracuda-Apparent-Source-IP: 211.157.152.3 Received: from regular1.263xmail.com (unknown [192.168.165.185]) by regular2.263xmail.com (Postfix) with ESMTP id 13F6B1EA47 for ; Tue, 14 Jun 2016 09:51:06 +0800 (CST) Received: from ning_wang?asdc.com.cn (unknown [192.168.167.87]) by regular1.263xmail.com (Postfix) with SMTP id 2DDB04CA7 for ; Tue, 14 Jun 2016 09:50:57 +0800 (CST) X-263anti-spam:KSV:0;BIG:0;ABS:1;DNS:0;ATT:0;SPF:S; X-MAIL-GRAY:0 X-MAIL-DELIVERY:1 X-KSVirus-check:0 X-ABS-CHECKED:1 X-SKE-CHECKED:1 X-ADDR-CHECKED:0 Received: from smtp.263.net (va-smtp01.263.net [54.88.144.211]) by smtp.263.net (Postfix) with ESMTP id 2ADC6735B for ; Tue, 14 Jun 2016 09:50:57 +0800 (CST) Received: from MchiaelPC (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id E33CA9F615 for ; Tue, 14 Jun 2016 09:50:49 +0800 (CST) X-RL-SENDER:ning_wang@asdc.com.cn X-FST-TO:xfs@oss.sgi.com X-SENDER-IP:111.203.254.28 X-LOGIN-NAME:ning_wang@asdc.com.cn X-UNIQUE-TAG: X-ATTACHMENT-NUM:0 X-SENDER:ning_wang@asdc.com.cn X-DNS-TYPE:0 Received: from MchiaelPC (unknown [111.203.254.28]) by smtp.263.net (Postfix) whith ESMTP id 6816BC8F8T; Tue, 14 Jun 2016 09:50:51 +0800 (CST) From: "Michael" To: Subject: questions about flush data to disk. Date: Tue, 14 Jun 2016 09:50:45 +0800 X-ASG-Orig-Subj: questions about flush data to disk. Message-ID: <00ba01d1c5df$2d254090$876fc1b0$@asdc.com.cn> MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_00BB_01D1C622.3B4BDBF0" X-Mailer: Microsoft Outlook 14.0 Thread-Index: AdHF3hk2A2oykOBeSEC+HnLZD3Y5DQ== Content-Language: zh-cn X-Barracuda-Connect: regular2.263xmail.com[211.157.152.3] X-Barracuda-Start-Time: 1465869074 X-Barracuda-Encrypted: DHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7768 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.41 X-Barracuda-Spam-Status: No, SCORE=0.41 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_SA090h, HTML_MESSAGE, HTML_OBFUSCATE_05_10, THREAD_INDEX X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30416 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.00 HTML_OBFUSCATE_05_10 BODY: Message is 5% to 10% HTML obfuscation 0.00 HTML_MESSAGE BODY: HTML included in message 0.40 BSF_SC0_SA090h Custom Rule SA090h This is a multipart message in MIME format. ------=_NextPart_000_00BB_01D1C622.3B4BDBF0 Content-Type: multipart/alternative; boundary="----=_NextPart_001_00BC_01D1C622.3B4BDBF0" ------=_NextPart_001_00BC_01D1C622.3B4BDBF0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable Dear SGI, =20 I=A1=AFm trying to backup XFS partition SUSE 12 with XFS_PROGS 3.2.1, = when we do snapshot of the partition. The created snapshot always have problem by = run =A1=B0xfs_repair =A8Cn /dev/VG/snapshot=A1=B1. I have tried = =A1=B0sync=A1=B1 didn=A1=AFt flush cache to disk. Then tried to umount and mount the XFS partition the = snapshot looks fine. Can you tell me another way to force XFS flush cached data = to disk?=20 =20 Best Regards Michael(Ning)Wang -------------------------------------------------------------------------= --- ------------------------------------------- =CB=B5=C3=F7: cid:_Foxmail.1@95d58f00-9e62-93f7-6199-b1696cc80320 ADVANCED SYSTEMS DEVELOPMENT CO.,LTD. 3/F DASCOM Mansion, 9# East Road Shangdi, Haidian, Beijing, 100085 Tel=A3=BA010-62981691-1234, 010-62980000, 010-82780000 Fax=A3=BA010-62981258 E-mail=A3=BA ning_wang@asdc.com.cn Http=A3=BA www.asdc.com.cn =CB=B5=C3=F7: cid:_Foxmail.1@e1a38f84-0fa5-04a6-9e7c-c5842b6ca2fa =20 ------=_NextPart_001_00BC_01D1C622.3B4BDBF0 Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable
Dear SGI,

I=A1=AFm trying to backup XFS = partition SUSE 12 with XFS_PROGS 3.2.1, when we do snapshot of the = partition. The created snapshot always have problem by run = =A1=B0xfs_repair =A8Cn /dev/VG/snapshot=A1=B1. I have tried = =A1=B0sync=A1=B1 didn=A1=AFt flush cache to disk. Then tried to umount = and mount the XFS partition the snapshot looks fine. Can you tell me = another way to force XFS flush cached data to disk? =

Best = Regards
Michael(Ning)Wang
---------------------------------= -------------------------------------------------------------------------= -------------
ADVANCED SYSTEMS DEVELOPMENT = CO.,LTD.
3/F DASCOM Mansion, 9# East Road Shangdi, Haidian, = Beijing, 100085
Tel=A3=BA010-62981691-1234, = 010-62980000, 010-82780000
Fax=A3=BA010-62981258
E-mail=A3=BAning_wang@asdc.com.cn
Http=A3=BAwww.asdc.com.cn

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26050AC001; Mon, 13 Jun 2016 19:26:43 -0700 (PDT) Received: from P-EXMB4-DC21.corp.sgi.com ([169.254.6.189]) by pv-excas3-dc21.corp.sgi.com ([137.38.106.11]) with mapi id 14.03.0224.002; Mon, 13 Jun 2016 21:26:43 -0500 From: Troy McCorkell To: Michael , "xfs@oss.sgi.com" Subject: RE: questions about flush data to disk. Thread-Topic: questions about flush data to disk. Thread-Index: AdHF3hk2A2oykOBeSEC+HnLZD3Y5DQABDJ5Q Date: Tue, 14 Jun 2016 02:26:42 +0000 Message-ID: References: <00ba01d1c5df$2d254090$876fc1b0$@asdc.com.cn> In-Reply-To: <00ba01d1c5df$2d254090$876fc1b0$@asdc.com.cn> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [134.15.1.211] Content-Type: multipart/related; boundary="_005_DF733A1EC32F124D86BC1188068FECB101A72C20A9PEXMB4DC21cor_"; type="multipart/alternative" MIME-Version: 1.0 --_005_DF733A1EC32F124D86BC1188068FECB101A72C20A9PEXMB4DC21cor_ Content-Type: multipart/alternative; boundary="_000_DF733A1EC32F124D86BC1188068FECB101A72C20A9PEXMB4DC21cor_" --_000_DF733A1EC32F124D86BC1188068FECB101A72C20A9PEXMB4DC21cor_ Content-Type: text/plain; charset="big5" Content-Transfer-Encoding: base64 TWljaGFlbCwNCg0KU0dJIGlzIG5vIGxvbmdlciB0aGUgbWFpbnRhaW5lciBmb3IgWEZTIGluIHRo ZSBvcGVuIHNvdXJjZSBjb21tdW5pdHkuICBYRlMgaXMgbWFpbnRhaW5lZCBieSBEYXZlIENoaW5u ZXINCmFuZCBkZXZlbG9wZWQgYW5kIGVuaGFuY2VkIGJ5IGEgbGFyZ2UgY29tbXVuaXR5IG9mIGNv bnRyaWJ1dG9ycy4NCg0KUmVmZXJlbmNlIHRoZSBtYW5wYWdlIGZvciB0aGUgeGZzX2ZyZWV6ZSBj b21tYW5kIHRvIGhlbHAgc3RhYmlsaXppbmcgeW91ciBmaWxlc3lzdGVtIGJlZm9yZQ0KZ2VuZXJh dGluZyBhIHNuYXBzaG90LiAgIFF1b3RpbmcgdGhlIG1hbnBhZ2UsICJ4ZnNfZnJlZXplIGlzIGlu dGVuZGVkIHRvIGJlDQp1c2VkIHdpdGggdm9sdW1lIG1hbmFnZXJzIGFuZCBoYXJkd2FyZSBSQUlE IGRldmljZXMgdGhhdCBzdXBwb3J0IHRoZSBjcmVhdGlvbiBvZiBzbmFwc2hvdHMuIg0KDQpUaGFu a3MsDQpUcm95IE1jQ29ya2VsbA0KDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0K RnJvbTogeGZzLWJvdW5jZXNAb3NzLnNnaS5jb20gW3hmcy1ib3VuY2VzQG9zcy5zZ2kuY29tXSBv biBiZWhhbGYgb2YgTWljaGFlbCBbbmluZ193YW5nQGFzZGMuY29tLmNuXQ0KU2VudDogTW9uZGF5 LCBKdW5lIDEzLCAyMDE2IDg6NTAgUE0NClRvOiB4ZnNAb3NzLnNnaS5jb20NClN1YmplY3Q6IHF1 ZXN0aW9ucyBhYm91dCBmbHVzaCBkYXRhIHRvIGRpc2suDQoNCkRlYXIgU0dJLA0KDQpJoaZtIHRy eWluZyB0byBiYWNrdXAgWEZTIHBhcnRpdGlvbiBTVVNFIDEyIHdpdGggWEZTX1BST0dTIDMuMi4x LCB3aGVuIHdlIGRvIHNuYXBzaG90IG9mIHRoZSBwYXJ0aXRpb24uIFRoZSBjcmVhdGVkIHNuYXBz aG90IGFsd2F5cyBoYXZlIHByb2JsZW0gYnkgcnVuIKGneGZzX3JlcGFpciChVm4gL2Rldi9WRy9z bmFwc2hvdKGoLiBJIGhhdmUgdHJpZWQgoadzeW5joaggZGlkbqGmdCBmbHVzaCBjYWNoZSB0byBk aXNrLiBUaGVuIHRyaWVkIHRvIHVtb3VudCBhbmQgbW91bnQgdGhlIFhGUyBwYXJ0aXRpb24gdGhl IHNuYXBzaG90IGxvb2tzIGZpbmUuIENhbiB5b3UgdGVsbCBtZSBhbm90aGVyIHdheSB0byBmb3Jj ZSBYRlMgZmx1c2ggY2FjaGVkIGRhdGEgdG8gZGlzaz8NCg0KQmVzdCBSZWdhcmRzDQpNaWNoYWVs KE5pbmcpV2FuZw0KLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0NCls/qfo6IGNpZDpfRm94bWFpbC4xQDk1ZDU4ZjAwLTllNjItOTNm Ny02MTk5LWIxNjk2Y2M4MDMyMF0NCkFEVkFOQ0VEIFNZU1RFTVMgREVWRUxPUE1FTlQgQ08uLExU RC4NCjMvRiBEQVNDT00gTWFuc2lvbiwgOSMgRWFzdCBSb2FkIFNoYW5nZGksIEhhaWRpYW4sIEJl aWppbmcsIDEwMDA4NQ0KVGVsoUcwMTAtNjI5ODE2OTEtMTIzNCwgMDEwLTYyOTgwMDAwLCAwMTAt ODI3ODAwMDANCkZheKFHMDEwLTYyOTgxMjU4DQpFLW1haWyhR25pbmdfd2FuZ0Bhc2RjLmNvbS5j bjxtYWlsdG86bmluZ193YW5nQGFzZGMuY29tLmNuPg0KSHR0cKFHd3d3LmFzZGMuY29tLmNuPGh0 dHA6Ly93d3cuYXNkYy5jb20uY24vPg0KWz+p+jogY2lkOl9Gb3htYWlsLjFAZTFhMzhmODQtMGZh NS0wNGE2LTllN2MtYzU4NDJiNmNhMmZhXQ0KDQo= --_000_DF733A1EC32F124D86BC1188068FECB101A72C20A9PEXMB4DC21cor_ Content-Type: text/html; charset="big5" Content-Transfer-Encoding: quoted-printable
Michael,

SGI is no longer the maintainer for XFS in the open source community. = XFS is maintained by Dave Chinner
and developed and enhanced by a large community of contributors.

Reference the manpage for the xfs_freeze command to help stabilizing your f= ilesystem before
generating a snapshot.   Quoting the manpage, "xfs_freeze is= intended to be
used with volume managers and hardware RAID devices that support the creati= on of snapshots."

Thanks,
Troy McCorkell

From: xfs-bounces@oss.sgi.com [xfs-bounce= s@oss.sgi.com] on behalf of Michael [ning_wang@asdc.com.cn]
Sent: Monday, June 13, 2016 8:50 PM
To: xfs@oss.sgi.com
Subject: questions about flush data to disk.

Dear SGI,

I=A1=A6m trying to backup XFS partition SUSE 12 with XFS_PROGS 3= .2.1, when we do snapshot of the partition. The created snapshot always hav= e problem by run =A1=A7xfs_repair =A1Vn /dev/VG/snapshot=A1=A8. I have tried =A1=A7sync=A1=A8 didn=A1=A6t flush cache to disk. Then tried = to umount and mount the XFS partition the snapshot looks fine. Can you tell= me another way to force XFS flush cached data to disk?

Best Regards

Michael(Ning)Wang

------------------------------------= ---------------------------------------------------------------------------= --------

ADVANCED SYSTEMS DEVELOPMENT CO.,L= TD.

3/F DASCOM Mansion, 9# East Road Shangd= i, Haidian, Beijing, 100085=

Tel=A1G010-62981691-1234, 010-62980000, 010-82780000=

Fax=A1G010-62981258

E-mail=A1G<= span lang=3D"EN-US">ning_wang@asdc.com.cn

Http=A1Gwww.asdc.com.cn

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(2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id BC1447CA2 for ; Mon, 13 Jun 2016 23:29:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 90D158F8033 for ; Mon, 13 Jun 2016 21:29:16 -0700 (PDT) X-ASG-Debug-ID: 1465878554-04cb6c381692260001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id a7LJz7ToBxJRcD63 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 13 Jun 2016 21:29:14 -0700 (PDT) X-Barracuda-Envelope-From: jpoimboe@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2AF117D0C2; Tue, 14 Jun 2016 04:29:14 +0000 (UTC) Received: from treble (ovpn-116-88.phx2.redhat.com [10.3.116.88]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id u5E4TCMc028119; Tue, 14 Jun 2016 00:29:13 -0400 Date: Mon, 13 Jun 2016 23:29:12 -0500 From: Josh Poimboeuf To: Daniel Wagner Cc: Dave Chinner , linux-fsdevel@vger.kernel.org, "linux-kernel@vger.kernel.org" , xfs@oss.sgi.com Subject: Re: Internal error xfs_trans_cancel Message-ID: <20160614042912.k4xifnftaik4rnar@treble> X-ASG-Orig-Subj: Re: Internal error xfs_trans_cancel References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.0.1 (2016-04-01) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Tue, 14 Jun 2016 04:29:14 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465878554 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14502 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Jun 01, 2016 at 07:52:31AM +0200, Daniel Wagner wrote: > Hi, > > I got the error message below while compiling a kernel > on that system. I can't really say if I did something > which made the file system unhappy before the crash. > > > [Jun 1 07:41] XFS (sde1): Internal error xfs_trans_cancel at line 984 of file fs/xfs/xfs_trans.c. Caller xfs_rename+0x453/0x960 [xfs] > [ +0.000095] CPU: 22 PID: 8640 Comm: gcc Not tainted 4.7.0-rc1 #16 > [ +0.000035] Hardware name: Dell Inc. PowerEdge R820/066N7P, BIOS 2.0.20 01/16/2014 > [ +0.000048] 0000000000000286 00000000c8be6bc3 ffff885fa9473cb0 ffffffff813d146e > [ +0.000056] ffff885fa9ac5ed0 0000000000000001 ffff885fa9473cc8 ffffffffa0213cdc > [ +0.000053] ffffffffa02257b3 ffff885fa9473cf0 ffffffffa022eb36 ffff883faa502d00 > [ +0.000053] Call Trace: > [ +0.000028] [] dump_stack+0x63/0x85 > [ +0.000069] [] xfs_error_report+0x3c/0x40 [xfs] > [ +0.000065] [] ? xfs_rename+0x453/0x960 [xfs] > [ +0.000064] [] xfs_trans_cancel+0xb6/0xe0 [xfs] > [ +0.000065] [] xfs_rename+0x453/0x960 [xfs] > [ +0.000062] [] xfs_vn_rename+0xb3/0xf0 [xfs] > [ +0.000040] [] vfs_rename+0x58c/0x8d0 > [ +0.000032] [] SyS_rename+0x371/0x390 > [ +0.000036] [] entry_SYSCALL_64_fastpath+0x1a/0xa4 > [ +0.000040] XFS (sde1): xfs_do_force_shutdown(0x8) called from line 985 of file fs/xfs/xfs_trans.c. Return address = 0xffffffffa022eb4f > [ +0.027680] XFS (sde1): Corruption of in-memory data detected. Shutting down filesystem > [ +0.000057] XFS (sde1): Please umount the filesystem and rectify the problem(s) > [Jun 1 07:42] XFS (sde1): xfs_log_force: error -5 returned. > [ +30.081016] XFS (sde1): xfs_log_force: error -5 returned. I saw this today. I was just building/installing kernels, rebooting, running kexec, running perf. [ 1359.005573] ------------[ cut here ]------------ [ 1359.010191] WARNING: CPU: 4 PID: 6031 at fs/inode.c:280 drop_nlink+0x3e/0x50 [ 1359.017231] Modules linked in: rpcrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod ib_srp scsi_transport_srp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm intel_powerclamp coretemp kvm_intel kvm nfsd ipmi_ssif ipmi_devintf ipmi_si iTCO_wdt irqbypass iTCO_vendor_support ipmi_msghandler i7core_edac shpchp sg edac_core pcspkr wmi lpc_ich dcdbas mfd_core acpi_power_meter auth_rpcgss acpi_cpufreq nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod sr_mod cdrom iw_cxgb3 ib_core mgag200 ata_generic pata_acpi i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm mptsas scsi_transport_sas ata_piix mptscsih libata cxgb3 crc32c_intel i2c_core serio_raw mptbase bnx2 fjes mdio dm_mirror dm_region_hash dm_log dm_mod [ 1359.088447] CPU: 4 PID: 6031 Comm: depmod Tainted: G I 4.7.0-rc3+ #4 [ 1359.095911] Hardware name: Dell Inc. PowerEdge R410/0N051F, BIOS 1.11.0 07/20/2012 [ 1359.103461] 0000000000000286 00000000a0bc39d9 ffff8802143dfd18 ffffffff8134bb7f [ 1359.110871] 0000000000000000 0000000000000000 ffff8802143dfd58 ffffffff8108b671 [ 1359.118280] 00000118575f7d13 ffff880222c9a6e8 ffff8803ec3874d8 ffff880428827000 [ 1359.125693] Call Trace: [ 1359.128133] [] dump_stack+0x63/0x84 [ 1359.133259] [] __warn+0xd1/0xf0 [ 1359.138037] [] warn_slowpath_null+0x1d/0x20 [ 1359.143855] [] drop_nlink+0x3e/0x50 [ 1359.149017] [] xfs_droplink+0x28/0x60 [xfs] [ 1359.154864] [] xfs_remove+0x231/0x350 [xfs] [ 1359.160682] [] ? security_inode_permission+0x3a/0x60 [ 1359.167309] [] xfs_vn_unlink+0x58/0xa0 [xfs] [ 1359.173213] [] ? selinux_inode_unlink+0x13/0x20 [ 1359.179379] [] vfs_unlink+0xda/0x190 [ 1359.184590] [] do_unlinkat+0x263/0x2a0 [ 1359.189974] [] SyS_unlinkat+0x1b/0x30 [ 1359.195272] [] do_syscall_64+0x62/0x110 [ 1359.200743] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 1359.207178] ---[ end trace 0d397afdaff9f340 ]--- [ 1359.211830] XFS (dm-0): Internal error xfs_trans_cancel at line 984 of file fs/xfs/xfs_trans.c. Caller xfs_remove+0x1d1/0x350 [xfs] [ 1359.223723] CPU: 4 PID: 6031 Comm: depmod Tainted: G W I 4.7.0-rc3+ #4 [ 1359.231185] Hardware name: Dell Inc. PowerEdge R410/0N051F, BIOS 1.11.0 07/20/2012 [ 1359.238736] 0000000000000286 00000000a0bc39d9 ffff8802143dfd60 ffffffff8134bb7f [ 1359.246147] ffff8803ec3874d8 0000000000000001 ffff8802143dfd78 ffffffffa03176bb [ 1359.253559] ffffffffa0328c21 ffff8802143dfda0 ffffffffa03327a6 ffff880222e7e180 [ 1359.260969] Call Trace: [ 1359.263407] [] dump_stack+0x63/0x84 [ 1359.268560] [] xfs_error_report+0x3b/0x40 [xfs] [ 1359.274755] [] ? xfs_remove+0x1d1/0x350 [xfs] [ 1359.280778] [] xfs_trans_cancel+0xb6/0xe0 [xfs] [ 1359.286973] [] xfs_remove+0x1d1/0x350 [xfs] [ 1359.292820] [] xfs_vn_unlink+0x58/0xa0 [xfs] [ 1359.298724] [] ? selinux_inode_unlink+0x13/0x20 [ 1359.304890] [] vfs_unlink+0xda/0x190 [ 1359.310100] [] do_unlinkat+0x263/0x2a0 [ 1359.315486] [] SyS_unlinkat+0x1b/0x30 [ 1359.320784] [] do_syscall_64+0x62/0x110 [ 1359.326256] [] entry_SYSCALL64_slow_path+0x25/0x25 [ 1359.332692] XFS (dm-0): xfs_do_force_shutdown(0x8) called from line 985 of file fs/xfs/xfs_trans.c. Return address = 0xffffffffa03327bf [ 1360.461638] XFS (dm-0): Corruption of in-memory data detected. Shutting down filesystem [ 1360.469729] XFS (dm-0): Please umount the filesystem and rectify the problem(s) [ 1360.595843] XFS (dm-0): xfs_log_force: error -5 returned. # uname -a Linux dell-per410-01.khw.lab.eng.bos.redhat.com 4.7.0-rc3+ #5 SMP Mon Jun 13 23:35:14 EDT 2016 x86_64 x86_64 x86_64 GNU/Linux # xfs_repair -V xfs_repair version 3.2.2 # cat /proc/cpuinfo | grep CPU | wc -l 16 # cat /proc/meminfo MemTotal: 16415296 kB MemFree: 15723380 kB MemAvailable: 15796192 kB Buffers: 964 kB Cached: 350700 kB SwapCached: 0 kB Active: 248992 kB Inactive: 223000 kB Active(anon): 121176 kB Inactive(anon): 8116 kB Active(file): 127816 kB Inactive(file): 214884 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 8257532 kB SwapFree: 8257532 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 120340 kB Mapped: 40136 kB Shmem: 8964 kB Slab: 80092 kB SReclaimable: 25208 kB SUnreclaim: 54884 kB KernelStack: 5872 kB PageTables: 5468 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 16465180 kB Committed_AS: 355084 kB VmallocTotal: 34359738367 kB VmallocUsed: 0 kB VmallocChunk: 0 kB HardwareCorrupted: 0 kB AnonHugePages: 51200 kB CmaTotal: 0 kB CmaFree: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 177572 kB DirectMap2M: 16586752 kB # cat /proc/mounts sysfs /sys sysfs rw,seclabel,nosuid,nodev,noexec,relatime 0 0 proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 devtmpfs /dev devtmpfs rw,seclabel,nosuid,size=8161852k,nr_inodes=2040463,mode=755 0 0 securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0 tmpfs /dev/shm tmpfs rw,seclabel,nosuid,nodev 0 0 devpts /dev/pts devpts rw,seclabel,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 tmpfs /run tmpfs rw,seclabel,nosuid,nodev,mode=755 0 0 tmpfs /sys/fs/cgroup tmpfs ro,seclabel,nosuid,nodev,noexec,mode=755 0 0 cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd 0 0 pstore /sys/fs/pstore pstore rw,seclabel,nosuid,nodev,noexec,relatime 0 0 cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0 cgroup /sys/fs/cgroup/net_cls cgroup rw,nosuid,nodev,noexec,relatime,net_cls 0 0 cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0 cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0 cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0 cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0 cgroup /sys/fs/cgroup/hugetlb cgroup rw,nosuid,nodev,noexec,relatime,hugetlb 0 0 cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0 cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0 cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0 configfs /sys/kernel/config configfs rw,relatime 0 0 /dev/mapper/rhel_dell--per410--01-root / xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0 systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=28,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0 debugfs /sys/kernel/debug debugfs rw,seclabel,relatime 0 0 mqueue /dev/mqueue mqueue rw,seclabel,relatime 0 0 hugetlbfs /dev/hugepages hugetlbfs rw,seclabel,relatime 0 0 sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0 /dev/mapper/rhel_dell--per410--01-home /home xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 nfsd /proc/fs/nfsd nfsd rw,relatime 0 0 /dev/sda1 /boot xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 tmpfs /run/user/0 tmpfs rw,seclabel,nosuid,nodev,relatime,size=1641532k,mode=700 0 0 tracefs /sys/kernel/debug/tracing tracefs rw,relatime 0 0 # cat /proc/partitions major minor #blocks name 11 0 1048575 sr0 8 16 143374740 sdb 8 17 143373312 sdb1 8 0 143374740 sda 8 1 512000 sda1 8 2 142861312 sda2 253 0 52428800 dm-0 253 1 8257536 dm-1 253 2 225480704 dm-2 # pvdisplay --- Physical volume --- PV Name /dev/sda2 VG Name rhel_dell-per410-01 PV Size 136.24 GiB / not usable 0 Allocatable yes PE Size 4.00 MiB Total PE 34878 Free PE 16 Allocated PE 34862 PV UUID cTa6X3-dz3E-HmdE-bY1J-XEoo-USwY-dl2lRm --- Physical volume --- PV Name /dev/sdb1 VG Name rhel_dell-per410-01 PV Size 136.73 GiB / not usable 0 Allocatable yes (but full) PE Size 4.00 MiB Total PE 35003 Free PE 0 Allocated PE 35003 PV UUID ZzXTQx-9CN1-TaMu-UfrN-Usuz-aFvl-A6PKJS # lvdisplay --- Logical volume --- LV Path /dev/rhel_dell-per410-01/swap LV Name swap VG Name rhel_dell-per410-01 LV UUID E6Y5qQ-URKt-9wc6-3fRc-2wbZ-ev2n-IliB7s LV Write Access read/write LV Creation host, time dell-per410-01.khw.lab.eng.bos.redhat.com, 2016-06-13 12:55:31 -0400 LV Status available # open 2 LV Size 7.88 GiB Current LE 2016 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:1 --- Logical volume --- LV Path /dev/rhel_dell-per410-01/home LV Name home VG Name rhel_dell-per410-01 LV UUID Zq6BIP-0Yem-3NAp-gJ5K-2c6Q-Zc67-mdp51k LV Write Access read/write LV Creation host, time dell-per410-01.khw.lab.eng.bos.redhat.com, 2016-06-13 12:55:31 -0400 LV Status available # open 1 LV Size 215.04 GiB Current LE 55049 Segments 2 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:2 --- Logical volume --- LV Path /dev/rhel_dell-per410-01/root LV Name root VG Name rhel_dell-per410-01 LV UUID T4rKVg-cuiW-jc6c-grNW-DJQQ-mCt8-N8Ig5l LV Write Access read/write LV Creation host, time dell-per410-01.khw.lab.eng.bos.redhat.com, 2016-06-13 12:55:35 -0400 LV Status available # open 1 LV Size 50.00 GiB Current LE 12800 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:0 # hdparm -i /dev/sda /dev/sda: SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 28 00 00 00 00 20 00 00 00 00 00 00 85 55 06 01 00 00 00 00 00 00 00 00 00 HDIO_GET_IDENTITY failed: Invalid argument # hdparm -i /dev/sdb /dev/sdb: SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 28 00 00 00 00 20 00 00 00 00 00 00 85 55 06 01 00 00 00 00 00 00 00 00 00 HDIO_GET_IDENTITY failed: Invalid argument (I don't know anything about the disks, but I can try to find out if you need it.) # xfs_info /dev/mapper/rhel_dell--per410--01-root meta-data=/dev/mapper/rhel_dell--per410--01-root isize=256 agcount=4, agsize=3276800 blks = sectsz=512 attr=2, projid32bit=1 = crc=0 finobt=0 data = bsize=4096 blocks=13107200, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=0 log =internal bsize=4096 blocks=6400, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 -- Josh From angelawillians223@hotmail.com Tue Jun 14 05:18:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: *** X-Spam-Status: No, score=3.3 required=5.0 tests=FORGED_HOTMAIL_RCVD2, FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,FREEMAIL_REPLYTO,HTML_MESSAGE, LOTS_OF_MONEY,MONEY_FROM_41 autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 68CB17CA2 for ; Tue, 14 Jun 2016 05:18:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 39F6A30404E for ; Tue, 14 Jun 2016 03:18:00 -0700 (PDT) X-ASG-Debug-ID: 1465899474-04cb6c38159b1b0001-NocioJ Received: from ns601-vm10.bullet.mail.ssk.yahoo.co.jp (ns601-vm10.bullet.mail.ssk.yahoo.co.jp [182.22.91.59]) by cuda.sgi.com with SMTP id ihQTufVAQHYh03EH for ; Tue, 14 Jun 2016 03:17:55 -0700 (PDT) X-Barracuda-Envelope-From: angelawillians223@hotmail.com X-Barracuda-Effective-Source-IP: ns601-vm10.bullet.mail.ssk.yahoo.co.jp[182.22.91.59] X-Barracuda-Apparent-Source-IP: 182.22.91.59 Received: from [182.22.66.105] by ns601.bullet.mail.ssk.yahoo.co.jp with NNFMP; 14 Jun 2016 10:17:51 -0000 Received: from [182.22.91.131] by t603.bullet.mail.ssk.yahoo.co.jp with NNFMP; 14 Jun 2016 10:17:50 -0000 Received: from [127.0.0.1] by omp604.mail.ssk.yahoo.co.jp with NNFMP; 14 Jun 2016 10:17:50 -0000 X-Yahoo-Newman-Property: ymail-5 X-Yahoo-Newman-Id: 895141.11257.bm@omp604.mail.ssk.yahoo.co.jp Received: (qmail 99617 invoked by uid 60001); 14 Jun 2016 10:17:50 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=yj20050223; d=yahoo.co.jp; h=Message-ID:X-YMail-OSG:Received:X-RocketYMMF:X-Mailer:X-YMail-JAS:Sender:References:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type; b=nyd2hrOfQXkDJJy4s6DMIaS+qfXNC2fQeQBur5cekKX4Uu8JL98e9M3a7e6Ck0Stfw7eLk//E0x6dG3UOjhWP+U03muw/cF1lfHimii9naoonM7KsFKtwy+tJcQUZDsp ; Message-ID: <501188.92835.qm@web101903.mail.ssk.yahoo.co.jp> X-YMail-OSG: G4JLttYVM1kCDJ7NAQTyV0yxNUhQZT2o66a_VtnMyBpFCxrN7oiWiT7KCAEzSzNiyUMBPvx5MR2stXfA5nsAJZx7.olU5lJVtX4gq5j8CuufAcDYPVbwJ_9iqd599MXrtZixB5d4aolitzTjxXSeRirdNg9dWiL.BLFVlCD79lS.HFzYq4mD0qSshhgFbijmGERK6EFgRUCTL2Nz8xjFLgVivNB9J1cguqkfhGik04js9gVLYzYJEG82nfsiMg8FC.rbMlcegWfQvPELw2tqFWgKsv0rNn3i1XJ3o9fFpNLjA1rxE5oJpCzNur2k_Ir.MJmGm3yyrK0C1TJQ2bBYTx_TMeILHfZENWUaYau7QloUF.aavY41yFzb11wo9gvlEqQVbMKCT2AOY3Y7usPSZ7K_px178tBjULLAGXFt.cm.cWx982qFE8pQ8On69eTxwhsIgNcoDtgbWVFTRC8CCwFVZPxAXiSOgKJwJOozm3a2SW8F.BKR89A7K2hPX_9vwPPNuS1Bqzw_ZySV3HRzzKHM9CbEXfkTMWHrjtcb2RO32McBU_jQcMttgeeBngRmkl4CWVMk4MW5tXPeMXX2qSc7FRVtyRDMyoUI.n8saUzz3OIpGpL8sxRz3wNlMd1LIrwlw.N4WKle2uL1DWM8IMUipsFW.pGz7KOTYv0BT3UJ6Gt8p7v4q572T93OOA-- Received: from [41.189.33.60] by web101903.mail.ssk.yahoo.co.jp via HTTP; Tue, 14 Jun 2016 19:17:48 JST X-RocketYMMF: jtwwgp482 X-Mailer: YahooMailWebService/0.8.111_69 X-YMail-JAS: yLxSr_4VM1ks6zNywEGtkXwbebjweg3mE5Jz_OeqPoQYfeVAl23j7FP4tFR0TGm1N5_pDo95BR..hVnE8lMy8YZIW._dTDYw9YQkdCPMn7Aj8KHpDSQwKGmdbG8BzblHT3u0 Sender: jtwwgp482@yahoo.co.jp References: Date: Tue, 14 Jun 2016 19:17:48 +0900 (JST) From: Angela Williams Reply-To: Angela Williams Subject: Ich bitte um Ihre Unterstuetzung!! To: undisclosed recipients: ; X-ASG-Orig-Subj: Ich bitte um Ihre Unterstuetzung!! MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-488044274-1704054557-1465899468=:92835" X-Barracuda-Connect: ns601-vm10.bullet.mail.ssk.yahoo.co.jp[182.22.91.59] X-Barracuda-Start-Time: 1465899474 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3365 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.62 X-Barracuda-Spam-Status: No, SCORE=2.62 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=ADVANCE_FEE_1, BSF_SC0_MISMATCH_TO, BSF_SC0_SA083, DKIM_SIGNED, DKIM_VERIFIED, FORGED_HOTMAIL_RCVD2, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30424 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 1.12 FORGED_HOTMAIL_RCVD2 hotmail.com 'From' address, but no 'Received:' -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message 0.00 ADVANCE_FEE_1 Appears to be advance fee fraud (Nigerian 419) 1.50 BSF_SC0_SA083 Custom Rule SA083 ---488044274-1704054557-1465899468=:92835 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Sehr geehrter Damen und Herren,=0A=A0=0AVorname/ =A0Williams=0AName/ =A0 An= gela=0ANationalitaet/ =A0Sierra Leonean=0A=A0=0AIch habe die Summe von USD = 3.7millionen von meinen verstorbenen Eltern geebrt. Meine Eltern wurden Dia= manten Haendler.=0A=A0=0ADas Geld wurde von meinen Eltern in der Sicherheit= sfirma fuer sicheres Behalten deponiert.=0A=A0=0AMomentan lebe ich in Bouak= e in Elfenbeinkueste und zwar gibt es Buergerkrieg bei uns, deswegen moecht= e ich das Geld in Ihrem Land per Ihre Hilfe investieren.=0A=A0=0AIch moecht= e in den gunstigen Branchen investieren wenn Sie mich unterstuetzen koennen= .=0A=A0=0AKoennen Sie mich unterstuetzen?=0A=A0=0AIch warte auf Ihre baldig= e Antwort!=0A=A0=0AMit freundlichen Gruessen,=0AFr=E4ulein Angela Williams ---488044274-1704054557-1465899468=:92835 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
<= div style=3D"font-family:MS PGothic, sans-serif;font-size:12pt;">
Sehr geehrter Damen und Herren,
&nb= sp;
Vorname/ Williams
Name/ Angela
Nationalitaet/ Sierra Leonean

Ich habe = die Summe von USD 3.7millionen von meinen verstorbenen Eltern geebrt. Meine= Eltern wurden Diamanten Haendler.

Das Geld wurde von = meinen Eltern in der Sicherheitsfirma fuer sicheres Behalten deponiert.

Momentan lebe ich in Bouake in Elfenbeinkueste und zwar= gibt es Buergerkrieg bei uns, deswegen moechte ich das Geld in Ihrem Land = per Ihre Hilfe investieren.

Ich moechte in den gunstigen Branchen investieren= wenn Sie mich unterstuetzen koennen.

Koennen Sie m= ich unterstuetzen?

Ich warte auf Ihre baldige Antwort!=

Mit freundlichen Gruessen,
Fr=E4ulein Angela W= illiams
---488044274-1704054557-1465899468=:92835-- From alisowska@swiezabazylia.pl Tue Jun 14 07:09:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EBFED7CA0 for ; Tue, 14 Jun 2016 07:09:47 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8469FAC001 for ; Tue, 14 Jun 2016 05:09:44 -0700 (PDT) X-ASG-Debug-ID: 1465906181-04bdf01e1329720001-NocioJ Received: from cloudserver099139.home.net.pl (cloudserver099139.home.net.pl [79.96.190.79]) by cuda.sgi.com with SMTP id BNwxwOdXJZR4ADDB for ; Tue, 14 Jun 2016 05:09:41 -0700 (PDT) X-Barracuda-Envelope-From: alisowska@swiezabazylia.pl X-Barracuda-Effective-Source-IP: cloudserver099139.home.net.pl[79.96.190.79] X-Barracuda-Apparent-Source-IP: 79.96.190.79 Received: from ip-11-55.dataclub.biz (185.29.11.55) (HELO IP-11-55.dataclub.biz) by swiezabazylia1.home.pl (79.96.190.79) with SMTP (IdeaSmtpServer v0.80.2) id 19d0de4d6ed61a64; Tue, 14 Jun 2016 14:09:41 +0200 Content-Type: multipart/mixed; boundary="===============1880848174==" MIME-Version: 1.0 Subject: Google Celebrates! Ref Number GAAP/6168/657 To: Recipients X-ASG-Orig-Subj: Google Celebrates! Ref Number GAAP/6168/657 From: "Google Incorporation" Date: Tue, 14 Jun 2016 14:09:38 +0200 Reply-To: validating.department@webname.com X-Barracuda-Connect: cloudserver099139.home.net.pl[79.96.190.79] X-Barracuda-Start-Time: 1465906181 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 52 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.15 X-Barracuda-Spam-Status: No, SCORE=0.15 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA_TO_FROM_DOMAIN_MATCH, HTML_MESSAGE, MISSING_MID X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30425 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.14 MISSING_MID Missing Message-Id: header 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message 0.01 BSF_SC0_SA_TO_FROM_DOMAIN_MATCH Sender Domain Matches Recipient Domain Message-Id: <20160614120944.28FB2A420A0@cuda.sgi.com> You will not see this in a MIME-aware mail reader. --===============1880848174== Content-Type: multipart/alternative; boundary="===============1058128587==" MIME-Version: 1.0 --===============1058128587== Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Description: Mail message body Dear Google User. Attached to this email is your official Sweepstakes notification for being= an active user of Google Products. Best Regards, Larry Page. Ceo/CO-Founder, GOOGLE INC. =20 --===============1058128587== Content-Type: text/html; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Description: Mail message body
Dear Google User.

Attached to this email is your official Sweepstakes notification for bei= ng an active user of Google Products.

Best Regards,
Larry Page.
Ceo/CO-Founder,
GOOGLE INC.

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bfoster@redhat.com Tue Jun 14 07:59:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A45BF7CA0 for ; Tue, 14 Jun 2016 07:59:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 651F08F8035 for ; Tue, 14 Jun 2016 05:59:03 -0700 (PDT) X-ASG-Debug-ID: 1465909141-04cbb03f53f7e30001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id cEYrGe09zXof7lI7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 05:59:01 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0908F1393C0 for ; Tue, 14 Jun 2016 12:59:01 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-81.bos.redhat.com [10.18.41.81]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5ECx0lr006933 for ; Tue, 14 Jun 2016 08:59:00 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id A4C2A12673F; Tue, 14 Jun 2016 08:58:59 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly Date: Tue, 14 Jun 2016 08:58:59 -0400 X-ASG-Orig-Subj: [PATCH] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly Message-Id: <1465909139-36329-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 14 Jun 2016 12:59:01 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465909141 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7269 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 xfs_reserve_blocks() is responsible to update the XFS reserved block pool count at mount time or based on user request. When the caller requests to increase the reserve pool, blocks must be allocated from the global counters such that they are no longer available for general purpose use. If the requested reserve pool size is too large, XFS reserves what blocks are available. The implementation requires looking at the percpu counters and making an educated guess as to how many blocks to try and allocate from xfs_mod_fdblocks(), which can return -ENOSPC if the guess was not accurate due to counters being modified in parallel. xfs_reserve_blocks() retries the guess in this scenario until the allocation succeeds or it is determined that there is no space available in the fs. While not easily reproducible in the current form, the retry code doesn't actually work correctly if xfs_mod_fdblocks() actually fails. The problem is that the percpu calculations use the m_resblks counter to determine how many blocks to allocate, but unconditionally update m_resblks before the block allocation has actually succeeded. Therefore, if xfs_mod_fdblocks() fails, the code jumps to the retry label and uses the already updated m_resblks value to determine how many blocks to try and allocate. If the percpu counters previously suggested that the entire request was available, fdblocks_delta could end up set to 0. In that case, m_resblks is updated to the requested value, yet no blocks have been reserved at all. Refactor xfs_reserve_blocks() to use an explicit loop and make the code easier to follow. Since we have to drop the spinlock across the xfs_mod_fdblocks() call, use a delta value for m_resblks as well and only apply the delta once allocation succeeds. Signed-off-by: Brian Foster --- This is something I had laying around from the thin block device reservation stuff. That work introduced a more common xfs_mod_fdblocks() failure scenario that isn't as much of a problem with the current code, but the current xfs_reserve_blocks() retry code is clearly broken and so should probably be fixed up. Brian fs/xfs/xfs_fsops.c | 105 ++++++++++++++++++++++++++++++----------------------- 1 file changed, 60 insertions(+), 45 deletions(-) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index b4d7582..003d180 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -667,8 +667,11 @@ xfs_reserve_blocks( __uint64_t *inval, xfs_fsop_resblks_t *outval) { - __int64_t lcounter, delta, fdblks_delta; + __int64_t lcounter, delta; + __int64_t fdblks_delta = 0; __uint64_t request; + __int64_t free; + int error = 0; /* If inval is null, report current values and return */ if (inval == (__uint64_t *)NULL) { @@ -682,24 +685,23 @@ xfs_reserve_blocks( request = *inval; /* - * With per-cpu counters, this becomes an interesting - * problem. we needto work out if we are freeing or allocation - * blocks first, then we can do the modification as necessary. + * With per-cpu counters, this becomes an interesting problem. we need + * to work out if we are freeing or allocation blocks first, then we can + * do the modification as necessary. * - * We do this under the m_sb_lock so that if we are near - * ENOSPC, we will hold out any changes while we work out - * what to do. This means that the amount of free space can - * change while we do this, so we need to retry if we end up - * trying to reserve more space than is available. + * We do this under the m_sb_lock so that if we are near ENOSPC, we will + * hold out any changes while we work out what to do. This means that + * the amount of free space can change while we do this, so we need to + * retry if we end up trying to reserve more space than is available. */ -retry: spin_lock(&mp->m_sb_lock); /* * If our previous reservation was larger than the current value, - * then move any unused blocks back to the free pool. + * then move any unused blocks back to the free pool. Modify the resblks + * counters directly since we shouldn't have any problems unreserving + * space. */ - fdblks_delta = 0; if (mp->m_resblks > request) { lcounter = mp->m_resblks_avail - request; if (lcounter > 0) { /* release unused blocks */ @@ -707,54 +709,67 @@ retry: mp->m_resblks_avail -= lcounter; } mp->m_resblks = request; - } else { - __int64_t free; + if (fdblks_delta) { + spin_unlock(&mp->m_sb_lock); + error = xfs_mod_fdblocks(mp, fdblks_delta, 0); + spin_lock(&mp->m_sb_lock); + } + + goto out; + } + /* + * If the request is larger than the current reservation, reserve the + * blocks before we update the reserve counters. Sample m_fdblocks and + * perform a partial reservation if the request exceeds free space. + */ + error = -ENOSPC; + while (error == -ENOSPC) { free = percpu_counter_sum(&mp->m_fdblocks) - XFS_ALLOC_SET_ASIDE(mp); if (!free) - goto out; /* ENOSPC and fdblks_delta = 0 */ + break; delta = request - mp->m_resblks; lcounter = free - delta; - if (lcounter < 0) { + if (lcounter < 0) /* We can't satisfy the request, just get what we can */ - mp->m_resblks += free; - mp->m_resblks_avail += free; - fdblks_delta = -free; - } else { - fdblks_delta = -delta; - mp->m_resblks = request; - mp->m_resblks_avail += delta; - } - } -out: - if (outval) { - outval->resblks = mp->m_resblks; - outval->resblks_avail = mp->m_resblks_avail; - } - spin_unlock(&mp->m_sb_lock); + fdblks_delta = free; + else + fdblks_delta = delta; - if (fdblks_delta) { /* - * If we are putting blocks back here, m_resblks_avail is - * already at its max so this will put it in the free pool. - * - * If we need space, we'll either succeed in getting it - * from the free block count or we'll get an enospc. If - * we get a ENOSPC, it means things changed while we were - * calculating fdblks_delta and so we should try again to - * see if there is anything left to reserve. + * We'll either succeed in getting space from the free block + * count or we'll get an ENOSPC. If we get a ENOSPC, it means + * things changed while we were calculating fdblks_delta and so + * we should try again to see if there is anything left to + * reserve. * * Don't set the reserved flag here - we don't want to reserve * the extra reserve blocks from the reserve..... */ - int error; - error = xfs_mod_fdblocks(mp, fdblks_delta, 0); - if (error == -ENOSPC) - goto retry; + spin_unlock(&mp->m_sb_lock); + error = xfs_mod_fdblocks(mp, -fdblks_delta, 0); + spin_lock(&mp->m_sb_lock); } - return 0; + + /* + * Update the reserve counters if blocks have been successfully + * allocated. + */ + if (!error && fdblks_delta) { + mp->m_resblks += fdblks_delta; + mp->m_resblks_avail += fdblks_delta; + } + +out: + if (outval) { + outval->resblks = mp->m_resblks; + outval->resblks_avail = mp->m_resblks_avail; + } + + spin_unlock(&mp->m_sb_lock); + return error; } int -- 2.5.5 From pcacjr@zytor.com Tue Jun 14 08:33:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 930A37CA2 for ; Tue, 14 Jun 2016 08:33:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 51A5D8F8033 for ; Tue, 14 Jun 2016 06:33:12 -0700 (PDT) X-ASG-Debug-ID: 1465911189-04bdf01e132ded0001-NocioJ Received: from mail.zytor.com ([198.137.202.10]) by cuda.sgi.com with ESMTP id iddkrtZpyJl4JSKt (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 06:33:09 -0700 (PDT) X-Barracuda-Envelope-From: pcacjr@zytor.com X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.10] X-Barracuda-Apparent-Source-IP: 198.137.202.10 Received: from [10.10.1.56] ([15.219.162.32]) (authenticated bits=0) by mail.zytor.com (8.15.2/8.14.5) with ESMTPSA id u5EDX5Ct027128 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 14 Jun 2016 06:33:08 -0700 User-Agent: K-9 Mail for Android In-Reply-To: <1465909139-36329-1-git-send-email-bfoster@redhat.com> References: <1465909139-36329-1-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Subject: Re: [PATCH] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly From: Paulo Alcantara X-ASG-Orig-Subj: Re: [PATCH] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly Date: Tue, 14 Jun 2016 10:32:57 -0300 To: Brian Foster , xfs@oss.sgi.com Message-ID: X-Barracuda-Connect: UNKNOWN[198.137.202.10] X-Barracuda-Start-Time: 1465911189 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5416 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30426 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On June 14, 2016 9:58:59 AM GMT-03:00, Brian Foster wrote: >xfs_reserve_blocks() is responsible to update the XFS reserved block >pool count at mount time or based on user request. When the caller >requests to increase the reserve pool, blocks must be allocated from >the >global counters such that they are no longer available for general >purpose use. If the requested reserve pool size is too large, XFS >reserves what blocks are available. The implementation requires looking >at the percpu counters and making an educated guess as to how many >blocks to try and allocate from xfs_mod_fdblocks(), which can return >-ENOSPC if the guess was not accurate due to counters being modified in >parallel. > >xfs_reserve_blocks() retries the guess in this scenario until the >allocation succeeds or it is determined that there is no space >available >in the fs. While not easily reproducible in the current form, the retry >code doesn't actually work correctly if xfs_mod_fdblocks() actually >fails. The problem is that the percpu calculations use the m_resblks >counter to determine how many blocks to allocate, but unconditionally >update m_resblks before the block allocation has actually succeeded. >Therefore, if xfs_mod_fdblocks() fails, the code jumps to the retry >label and uses the already updated m_resblks value to determine how >many >blocks to try and allocate. If the percpu counters previously suggested >that the entire request was available, fdblocks_delta could end up set >to 0. In that case, m_resblks is updated to the requested value, yet no >blocks have been reserved at all. > >Refactor xfs_reserve_blocks() to use an explicit loop and make the code >easier to follow. Since we have to drop the spinlock across the >xfs_mod_fdblocks() call, use a delta value for m_resblks as well and >only apply the delta once allocation succeeds. > >Signed-off-by: Brian Foster >--- > >This is something I had laying around from the thin block device >reservation stuff. That work introduced a more common >xfs_mod_fdblocks() >failure scenario that isn't as much of a problem with the current code, >but the current xfs_reserve_blocks() retry code is clearly broken and >so >should probably be fixed up. > >Brian > >fs/xfs/xfs_fsops.c | 105 >++++++++++++++++++++++++++++++----------------------- > 1 file changed, 60 insertions(+), 45 deletions(-) > >diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c >index b4d7582..003d180 100644 >--- a/fs/xfs/xfs_fsops.c >+++ b/fs/xfs/xfs_fsops.c >@@ -667,8 +667,11 @@ xfs_reserve_blocks( > __uint64_t *inval, > xfs_fsop_resblks_t *outval) > { >- __int64_t lcounter, delta, fdblks_delta; >+ __int64_t lcounter, delta; >+ __int64_t fdblks_delta = 0; > __uint64_t request; >+ __int64_t free; >+ int error = 0; > > /* If inval is null, report current values and return */ > if (inval == (__uint64_t *)NULL) { >@@ -682,24 +685,23 @@ xfs_reserve_blocks( > request = *inval; > > /* >- * With per-cpu counters, this becomes an interesting >- * problem. we needto work out if we are freeing or allocation >- * blocks first, then we can do the modification as necessary. >+ * With per-cpu counters, this becomes an interesting problem. we >need >+ * to work out if we are freeing or allocation blocks first, then we >can >+ * do the modification as necessary. > * >- * We do this under the m_sb_lock so that if we are near >- * ENOSPC, we will hold out any changes while we work out >- * what to do. This means that the amount of free space can >- * change while we do this, so we need to retry if we end up >- * trying to reserve more space than is available. >+ * We do this under the m_sb_lock so that if we are near ENOSPC, we >will >+ * hold out any changes while we work out what to do. This means that >+ * the amount of free space can change while we do this, so we need >to >+ * retry if we end up trying to reserve more space than is available. > */ >-retry: > spin_lock(&mp->m_sb_lock); > > /* > * If our previous reservation was larger than the current value, >- * then move any unused blocks back to the free pool. >+ * then move any unused blocks back to the free pool. Modify the >resblks >+ * counters directly since we shouldn't have any problems unreserving >+ * space. > */ >- fdblks_delta = 0; > if (mp->m_resblks > request) { > lcounter = mp->m_resblks_avail - request; > if (lcounter > 0) { /* release unused blocks */ >@@ -707,54 +709,67 @@ retry: > mp->m_resblks_avail -= lcounter; > } > mp->m_resblks = request; >- } else { >- __int64_t free; >+ if (fdblks_delta) { >+ spin_unlock(&mp->m_sb_lock); >+ error = xfs_mod_fdblocks(mp, fdblks_delta, 0); >+ spin_lock(&mp->m_sb_lock); >+ } >+ >+ goto out; >+ } > >+ /* >+ * If the request is larger than the current reservation, reserve the >+ * blocks before we update the reserve counters. Sample m_fdblocks >and >+ * perform a partial reservation if the request exceeds free space. >+ */ >+ error = -ENOSPC; >+ while (error == -ENOSPC) { Why don't you make this a "do { } while (error == -ENOSPC)"? xfs_mod_fdblocks() will already set the error at the end of that loop. Paulo -- Paulo Alcantara, HP Speaking for myself only. From bfoster@redhat.com Tue Jun 14 08:37:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 61B767CA0 for ; Tue, 14 Jun 2016 08:37:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id D0F3DAC003 for ; Tue, 14 Jun 2016 06:37:25 -0700 (PDT) X-ASG-Debug-ID: 1465911443-04cb6c38149fa80001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 9VDCwE8mGrimHaak (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 06:37:24 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7FD8085543; Tue, 14 Jun 2016 13:37:23 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-81.bos.redhat.com [10.18.41.81]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5EDbN9P013707; Tue, 14 Jun 2016 09:37:23 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 1D98212673F; Tue, 14 Jun 2016 09:37:22 -0400 (EDT) Date: Tue, 14 Jun 2016 09:37:22 -0400 From: Brian Foster To: Paulo Alcantara Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly Message-ID: <20160614133721.GD32443@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly References: <1465909139-36329-1-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 14 Jun 2016 13:37:23 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465911444 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1954 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Jun 14, 2016 at 10:32:57AM -0300, Paulo Alcantara wrote: > > > On June 14, 2016 9:58:59 AM GMT-03:00, Brian Foster wrote: ... > > > >Signed-off-by: Brian Foster > >--- > > > >This is something I had laying around from the thin block device > >reservation stuff. That work introduced a more common > >xfs_mod_fdblocks() > >failure scenario that isn't as much of a problem with the current code, > >but the current xfs_reserve_blocks() retry code is clearly broken and > >so > >should probably be fixed up. > > > >Brian > > > >fs/xfs/xfs_fsops.c | 105 > >++++++++++++++++++++++++++++++----------------------- > > 1 file changed, 60 insertions(+), 45 deletions(-) > > > >diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c > >index b4d7582..003d180 100644 > >--- a/fs/xfs/xfs_fsops.c > >+++ b/fs/xfs/xfs_fsops.c ... > >@@ -707,54 +709,67 @@ retry: > > mp->m_resblks_avail -= lcounter; > > } > > mp->m_resblks = request; > >- } else { > >- __int64_t free; > >+ if (fdblks_delta) { > >+ spin_unlock(&mp->m_sb_lock); > >+ error = xfs_mod_fdblocks(mp, fdblks_delta, 0); > >+ spin_lock(&mp->m_sb_lock); > >+ } > >+ > >+ goto out; > >+ } > > > >+ /* > >+ * If the request is larger than the current reservation, reserve the > >+ * blocks before we update the reserve counters. Sample m_fdblocks > >and > >+ * perform a partial reservation if the request exceeds free space. > >+ */ > >+ error = -ENOSPC; > >+ while (error == -ENOSPC) { > > Why don't you make this a "do { } while (error == -ENOSPC)"? xfs_mod_fdblocks() will already set the error at the end of that loop. > Sure, I can clean that up. Thanks. Brian > Paulo > > -- > Paulo Alcantara, HP > Speaking for myself only. > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From Waiman.Long@hpe.com Tue Jun 14 13:13:23 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3BBB27CA0 for ; Tue, 14 Jun 2016 13:13:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0F2F38F8050 for ; Tue, 14 Jun 2016 11:13:23 -0700 (PDT) X-ASG-Debug-ID: 1465928000-04cbb03f55101a10001-NocioJ Received: from g9t5009.houston.hpe.com (g9t5009.houston.hpe.com [15.241.48.73]) by cuda.sgi.com with ESMTP id DSTG36VKwMrSLcti (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 11:13:20 -0700 (PDT) X-Barracuda-Envelope-From: Waiman.Long@hpe.com X-Barracuda-Effective-Source-IP: g9t5009.houston.hpe.com[15.241.48.73] X-Barracuda-Apparent-Source-IP: 15.241.48.73 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5009.houston.hpe.com (Postfix) with ESMTP id E634258; Tue, 14 Jun 2016 18:13:19 +0000 (UTC) Received: from RHEL65.localdomain (unknown [16.214.227.42]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id 87F0C53; Tue, 14 Jun 2016 18:13:18 +0000 (UTC) From: Waiman Long To: Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch , Waiman Long Subject: [RFC PATCH-tip 1/6] locking/rwsem: Stop active read lock ASAP Date: Tue, 14 Jun 2016 14:12:34 -0400 X-ASG-Orig-Subj: [RFC PATCH-tip 1/6] locking/rwsem: Stop active read lock ASAP Message-Id: <1465927959-39719-2-git-send-email-Waiman.Long@hpe.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> X-Barracuda-Connect: g9t5009.houston.hpe.com[15.241.48.73] X-Barracuda-Start-Time: 1465928000 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3212 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30432 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Currently, when down_read() fails, the active read locking isn't undone until the rwsem_down_read_failed() function grabs the wait_lock. If the wait_lock is contended, it may takes a while to get the lock. During that period, writer lock stealing will be disabled because of the active read lock. This patch will release the active read lock ASAP so that writer lock stealing can happen sooner. The only downside is when the reader is the first one in the wait queue as it has to issue another atomic operation to update the count. On a 4-socket Haswell machine running on a 4.7-rc1 tip-based kernel, the fio test with multithreaded randrw and randwrite tests on the same file on a XFS partition on top of a NVDIMM with DAX were run, the aggregated bandwidths before and after the patch were as follows: Test BW before patch BW after patch % change ---- --------------- -------------- -------- randrw 1210 MB/s 1352 MB/s +12% randwrite 1622 MB/s 1710 MB/s +5.4% The write-only microbench also showed improvement because some read locking was done by the XFS code. Signed-off-by: Waiman Long --- kernel/locking/rwsem-xadd.c | 19 ++++++++++++++----- 1 files changed, 14 insertions(+), 5 deletions(-) diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index 2031281..29027c6 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -230,11 +230,18 @@ __rwsem_mark_wake(struct rw_semaphore *sem, __visible struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) { - long count, adjustment = -RWSEM_ACTIVE_READ_BIAS; + long count, adjustment = 0; struct rwsem_waiter waiter; struct task_struct *tsk = current; WAKE_Q(wake_q); + /* + * Undo read bias from down_read operation, stop active locking. + * Doing that after taking the wait_lock may block writer lock + * stealing for too long. + */ + atomic_long_add(-RWSEM_ACTIVE_READ_BIAS, &sem->count); + /* set up my own style of waitqueue */ waiter.task = tsk; waiter.type = RWSEM_WAITING_FOR_READ; @@ -244,8 +251,11 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) adjustment += RWSEM_WAITING_BIAS; list_add_tail(&waiter.list, &sem->wait_list); - /* we're now waiting on the lock, but no longer actively locking */ - count = atomic_long_add_return(adjustment, &sem->count); + /* we're now waiting on the lock */ + if (adjustment) + count = atomic_long_add_return(adjustment, &sem->count); + else + count = atomic_long_read(&sem->count); /* If there are no active locks, wake the front queued process(es). * @@ -253,8 +263,7 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) * wake our own waiter to join the existing active readers ! */ if (count == RWSEM_WAITING_BIAS || - (count > RWSEM_WAITING_BIAS && - adjustment != -RWSEM_ACTIVE_READ_BIAS)) + (count > RWSEM_WAITING_BIAS && adjustment)) sem = __rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q); raw_spin_unlock_irq(&sem->wait_lock); -- 1.7.1 From Waiman.Long@hpe.com Tue Jun 14 13:13:26 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id F29437CA4 for ; Tue, 14 Jun 2016 13:13:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id C45C98F8052 for ; Tue, 14 Jun 2016 11:13:22 -0700 (PDT) X-ASG-Debug-ID: 1465927999-04cbb03f52101a00001-NocioJ Received: from g9t5009.houston.hpe.com (g9t5009.houston.hpe.com [15.241.48.73]) by cuda.sgi.com with ESMTP id RZzunPrPUdV1sb64 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 11:13:19 -0700 (PDT) X-Barracuda-Envelope-From: Waiman.Long@hpe.com X-Barracuda-Effective-Source-IP: g9t5009.houston.hpe.com[15.241.48.73] X-Barracuda-Apparent-Source-IP: 15.241.48.73 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5009.houston.hpe.com (Postfix) with ESMTP id 65F8E4D; Tue, 14 Jun 2016 18:13:18 +0000 (UTC) Received: from RHEL65.localdomain (unknown [16.214.227.42]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id 35CF84D; Tue, 14 Jun 2016 18:13:16 +0000 (UTC) From: Waiman Long To: Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch , Waiman Long Subject: [RFC PATCH-tip 0/6] locking/rwsem: Enable reader optimistic spinning Date: Tue, 14 Jun 2016 14:12:33 -0400 X-ASG-Orig-Subj: [RFC PATCH-tip 0/6] locking/rwsem: Enable reader optimistic spinning Message-Id: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> X-Mailer: git-send-email 1.7.1 X-Barracuda-Connect: g9t5009.houston.hpe.com[15.241.48.73] X-Barracuda-Start-Time: 1465927999 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1940 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30432 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header This patchset adds an option to enable more aggressive optimistic spinning on both readers and writers waiting on a writer or reader owned lock. Spinning on writer is done by looking at the on_cpu flag of the lock owner. Spinning on readers, on the other hand, is count-based as there is no easy way to figure out if all the readers are running. The spinner will stop spinning once the count goes to 0. Because of that, spinning on readers may hurt performance in some cases. So this feature is optional and has to explicitly enabled for those rwsems where the readers are unlikely to go to sleep. Patch 1 reduces the length of the blocking window after a read locking attempt where writer lock stealing is disabled because of the active read lock. It can improve rwsem performance for contended lock. It is independent of the rest of the patchset. Patches 2-5 lays the groundwork for enabling reader optimistic spinning. Patch 6 enables reader optimistic spinning in XFS for inodes that comes from a DAX-enabled mount point on top of persistent memory as the CPUs can do I/O directly without waiting or sleeping. Waiman Long (6): locking/rwsem: Stop active read lock ASAP locking/rwsem: Enable optional count-based spinning on reader locking/rwsem: move down rwsem_down_read_failed function locking/rwsem: Change RWSEM_WAITING_BIAS for better disambiguation locking/rwsem: Enable spinning readers xfs: Enable reader optimistic spinning for DAX inodes arch/alpha/include/asm/rwsem.h | 7 +- arch/ia64/include/asm/rwsem.h | 6 +- arch/s390/include/asm/rwsem.h | 6 +- arch/x86/include/asm/rwsem.h | 13 ++- fs/xfs/xfs_icache.c | 9 ++ include/asm-generic/rwsem.h | 9 +- include/linux/rwsem.h | 21 ++++- kernel/locking/rwsem-xadd.c | 212 ++++++++++++++++++++++++++-------------- 8 files changed, 192 insertions(+), 91 deletions(-) From Waiman.Long@hpe.com Tue Jun 14 13:13:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 26E657CAF for ; Tue, 14 Jun 2016 13:13:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id B30CDAC001 for ; Tue, 14 Jun 2016 11:13:24 -0700 (PDT) X-ASG-Debug-ID: 1465928001-04bdf01e10369e0001-NocioJ Received: from g9t5009.houston.hpe.com (g9t5009.houston.hpe.com [15.241.48.73]) by cuda.sgi.com with ESMTP id KohJehRlqmcFrB3P (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 11:13:22 -0700 (PDT) X-Barracuda-Envelope-From: Waiman.Long@hpe.com X-Barracuda-Effective-Source-IP: g9t5009.houston.hpe.com[15.241.48.73] X-Barracuda-Apparent-Source-IP: 15.241.48.73 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5009.houston.hpe.com (Postfix) with ESMTP id 7E8D159; Tue, 14 Jun 2016 18:13:21 +0000 (UTC) Received: from RHEL65.localdomain (unknown [16.214.227.42]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id 1DEB64D; Tue, 14 Jun 2016 18:13:20 +0000 (UTC) From: Waiman Long To: Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch , Waiman Long Subject: [RFC PATCH-tip 2/6] locking/rwsem: Enable optional count-based spinning on reader Date: Tue, 14 Jun 2016 14:12:35 -0400 X-ASG-Orig-Subj: [RFC PATCH-tip 2/6] locking/rwsem: Enable optional count-based spinning on reader Message-Id: <1465927959-39719-3-git-send-email-Waiman.Long@hpe.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> X-Barracuda-Connect: g9t5009.houston.hpe.com[15.241.48.73] X-Barracuda-Start-Time: 1465928001 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5141 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30433 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header When the rwsem is owned by reader, writers stop optimistic spinning simply because there is no easy way to figure out if all the readers are actively running or not. However, there are scenarios where the readers are unlikely to sleep and optimistic spinning can help performance. This patch provides a way for the kernel code to designate specific rwsems to be more aggressive in term of optimistic spinning that the writers will continue to spin for some additional count-based time to see if it can get the lock before sleeping. This aggressive spinning mode should only be used on rwsems where the readers are unlikely to go to sleep. One can use the following function to designate rwsems that can be benefited from more aggressive spinning: void __rwsem_set_rspin_threshold_shift(struct rw_semaphore *sem, int shift) A shift value of 0 will use the default 4K (shift = 12) iteration count. Signed-off-by: Waiman Long --- include/linux/rwsem.h | 21 ++++++++++++++++++++- kernel/locking/rwsem-xadd.c | 28 +++++++++++++++++++--------- 2 files changed, 39 insertions(+), 10 deletions(-) diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index dd1d142..1c5f6ff 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -32,6 +32,8 @@ struct rw_semaphore { raw_spinlock_t wait_lock; #ifdef CONFIG_RWSEM_SPIN_ON_OWNER struct optimistic_spin_queue osq; /* spinner MCS lock */ + int rspin_threshold_shift; /* reader spinning threshold shift */ + /* * Write owner. Used as a speculative check to see * if the owner is running on the cpu. @@ -70,9 +72,26 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem) #endif #ifdef CONFIG_RWSEM_SPIN_ON_OWNER -#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL +#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL, \ + .rspin_threshold_shift = 0 + +#define RWSEM_RSPIN_THRESHOLD_SHIFT_DEFAULT 12 +static inline void +__rwsem_set_rspin_threshold(struct rw_semaphore *sem, int shift) +{ + sem->rspin_threshold_shift = shift; +} + +static inline void rwsem_set_rspin_threshold(struct rw_semaphore *sem) +{ + __rwsem_set_rspin_threshold(sem, RWSEM_RSPIN_THRESHOLD_SHIFT_DEFAULT); +} #else #define __RWSEM_OPT_INIT(lockname) + +static inline void +__rwsem_set_rspin_threshold(struct rw_semaphore *sem, int shift) {} +static inline void rwsem_set_rspin_threshold(struct rw_semaphore *sem) {} #endif #define __RWSEM_INITIALIZER(name) \ diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index 29027c6..9703f4a 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -85,6 +85,7 @@ void __init_rwsem(struct rw_semaphore *sem, const char *name, INIT_LIST_HEAD(&sem->wait_list); #ifdef CONFIG_RWSEM_SPIN_ON_OWNER sem->owner = NULL; + sem->rspin_threshold_shift = 0; osq_lock_init(&sem->osq); #endif } @@ -347,9 +348,11 @@ static inline bool rwsem_can_spin_on_owner(struct rw_semaphore *sem) owner = READ_ONCE(sem->owner); if (!rwsem_owner_is_writer(owner)) { /* - * Don't spin if the rwsem is readers owned. + * Don't spin if the rwsem is readers owned and the + * reader spinning threshold isn't set. */ - ret = !rwsem_owner_is_reader(owner); + ret = !rwsem_owner_is_reader(owner) || + sem->rspin_threshold_shift; goto done; } @@ -398,7 +401,8 @@ out: static bool rwsem_optimistic_spin(struct rw_semaphore *sem) { - bool taken = false; + bool taken = false, can_spin; + int loopcnt; preempt_disable(); @@ -409,6 +413,9 @@ static bool rwsem_optimistic_spin(struct rw_semaphore *sem) if (!osq_lock(&sem->osq)) goto done; + loopcnt = sem->rspin_threshold_shift + ? (1 << sem->rspin_threshold_shift) : 0; + /* * Optimistically spin on the owner field and attempt to acquire the * lock whenever the owner changes. Spinning will be stopped when: @@ -416,7 +423,7 @@ static bool rwsem_optimistic_spin(struct rw_semaphore *sem) * 2) readers own the lock as we can't determine if they are * actively running or not. */ - while (rwsem_spin_on_owner(sem)) { + while ((can_spin = rwsem_spin_on_owner(sem)) || loopcnt) { /* * Try to acquire the lock */ @@ -425,13 +432,16 @@ static bool rwsem_optimistic_spin(struct rw_semaphore *sem) break; } + if (!can_spin && loopcnt) + loopcnt--; + /* - * When there's no owner, we might have preempted between the - * owner acquiring the lock and setting the owner field. If - * we're an RT task that will live-lock because we won't let - * the owner complete. + * The need_resched() check in rwsem_spin_on_owner() won't + * break the loop anymore. So we need to check this in + * the outer loop. If we're an RT task that will live-lock + * because we won't let the owner complete. */ - if (!sem->owner && (need_resched() || rt_task(current))) + if (need_resched() || rt_task(current)) break; /* -- 1.7.1 From Waiman.Long@hpe.com Tue Jun 14 13:13:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B4A3D7CAF for ; Tue, 14 Jun 2016 13:13:28 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8778730405F for ; Tue, 14 Jun 2016 11:13:25 -0700 (PDT) X-ASG-Debug-ID: 1465928003-04cbb03f54101a10001-NocioJ Received: from g9t5009.houston.hpe.com (g9t5009.houston.hpe.com [15.241.48.73]) by cuda.sgi.com with ESMTP id 6XOLNC9AhlP0TpFB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 11:13:23 -0700 (PDT) X-Barracuda-Envelope-From: Waiman.Long@hpe.com X-Barracuda-Effective-Source-IP: g9t5009.houston.hpe.com[15.241.48.73] X-Barracuda-Apparent-Source-IP: 15.241.48.73 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5009.houston.hpe.com (Postfix) with ESMTP id 06A1A54; Tue, 14 Jun 2016 18:13:23 +0000 (UTC) Received: from RHEL65.localdomain (unknown [16.214.227.42]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id 9C5524C; Tue, 14 Jun 2016 18:13:21 +0000 (UTC) From: Waiman Long To: Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch , Waiman Long Subject: [RFC PATCH-tip 3/6] locking/rwsem: move down rwsem_down_read_failed function Date: Tue, 14 Jun 2016 14:12:36 -0400 X-ASG-Orig-Subj: [RFC PATCH-tip 3/6] locking/rwsem: move down rwsem_down_read_failed function Message-Id: <1465927959-39719-4-git-send-email-Waiman.Long@hpe.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> X-Barracuda-Connect: g9t5009.houston.hpe.com[15.241.48.73] X-Barracuda-Start-Time: 1465928003 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4293 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30432 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Move the rwsem_down_read_failed() function down to below the optimistic spinning section before enabling optimistic spinning for the readers. There is no change in code. Signed-off-by: Waiman Long --- kernel/locking/rwsem-xadd.c | 116 +++++++++++++++++++++--------------------- 1 files changed, 58 insertions(+), 58 deletions(-) diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index 9703f4a..400e594 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -226,64 +226,6 @@ __rwsem_mark_wake(struct rw_semaphore *sem, } /* - * Wait for the read lock to be granted - */ -__visible -struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) -{ - long count, adjustment = 0; - struct rwsem_waiter waiter; - struct task_struct *tsk = current; - WAKE_Q(wake_q); - - /* - * Undo read bias from down_read operation, stop active locking. - * Doing that after taking the wait_lock may block writer lock - * stealing for too long. - */ - atomic_long_add(-RWSEM_ACTIVE_READ_BIAS, &sem->count); - - /* set up my own style of waitqueue */ - waiter.task = tsk; - waiter.type = RWSEM_WAITING_FOR_READ; - - raw_spin_lock_irq(&sem->wait_lock); - if (list_empty(&sem->wait_list)) - adjustment += RWSEM_WAITING_BIAS; - list_add_tail(&waiter.list, &sem->wait_list); - - /* we're now waiting on the lock */ - if (adjustment) - count = atomic_long_add_return(adjustment, &sem->count); - else - count = atomic_long_read(&sem->count); - - /* If there are no active locks, wake the front queued process(es). - * - * If there are no writers and we are first in the queue, - * wake our own waiter to join the existing active readers ! - */ - if (count == RWSEM_WAITING_BIAS || - (count > RWSEM_WAITING_BIAS && adjustment)) - sem = __rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q); - - raw_spin_unlock_irq(&sem->wait_lock); - wake_up_q(&wake_q); - - /* wait to be given the lock */ - while (true) { - set_task_state(tsk, TASK_UNINTERRUPTIBLE); - if (!waiter.task) - break; - schedule(); - } - - __set_task_state(tsk, TASK_RUNNING); - return sem; -} -EXPORT_SYMBOL(rwsem_down_read_failed); - -/* * This function must be called with the sem->wait_lock held to prevent * race conditions between checking the rwsem wait list and setting the * sem->count accordingly. @@ -479,6 +421,64 @@ static inline bool rwsem_has_spinner(struct rw_semaphore *sem) #endif /* + * Wait for the read lock to be granted + */ +__visible +struct rw_semaphore __sched * rwsem_down_read_failed(struct rw_semaphore *sem) +{ + long count, adjustment = 0; + struct rwsem_waiter waiter; + struct task_struct *tsk = current; + WAKE_Q(wake_q); + + /* + * Undo read bias from down_read operation, stop active locking. + * Doing that after taking the wait_lock may block writer lock + * stealing for too long. + */ + atomic_long_add(-RWSEM_ACTIVE_READ_BIAS, &sem->count); + + /* set up my own style of waitqueue */ + waiter.task = tsk; + waiter.type = RWSEM_WAITING_FOR_READ; + + raw_spin_lock_irq(&sem->wait_lock); + if (list_empty(&sem->wait_list)) + adjustment += RWSEM_WAITING_BIAS; + list_add_tail(&waiter.list, &sem->wait_list); + + /* we're now waiting on the lock */ + if (adjustment) + count = atomic_long_add_return(adjustment, &sem->count); + else + count = atomic_long_read(&sem->count); + + /* If there are no active locks, wake the front queued process(es). + * + * If there are no writers and we are first in the queue, + * wake our own waiter to join the existing active readers ! + */ + if (count == RWSEM_WAITING_BIAS || + (count > RWSEM_WAITING_BIAS && adjustment)) + sem = __rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q); + + raw_spin_unlock_irq(&sem->wait_lock); + wake_up_q(&wake_q); + + /* wait to be given the lock */ + while (true) { + set_task_state(tsk, TASK_UNINTERRUPTIBLE); + if (!waiter.task) + break; + schedule(); + } + + __set_task_state(tsk, TASK_RUNNING); + return sem; +} +EXPORT_SYMBOL(rwsem_down_read_failed); + +/* * Wait until we successfully acquire the write lock */ static inline struct rw_semaphore * -- 1.7.1 From Waiman.Long@hpe.com Tue Jun 14 13:13:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 930927CAF for ; Tue, 14 Jun 2016 13:13:29 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5B6B78F8050 for ; Tue, 14 Jun 2016 11:13:29 -0700 (PDT) X-ASG-Debug-ID: 1465928006-04cbb03f55101a20001-NocioJ Received: from g9t5008.houston.hpe.com (g9t5008.houston.hpe.com [15.241.48.72]) by cuda.sgi.com with ESMTP id kx8HiZLNfsV4EOpx (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 11:13:26 -0700 (PDT) X-Barracuda-Envelope-From: Waiman.Long@hpe.com X-Barracuda-Effective-Source-IP: g9t5008.houston.hpe.com[15.241.48.72] X-Barracuda-Apparent-Source-IP: 15.241.48.72 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5008.houston.hpe.com (Postfix) with ESMTP id A31FA59; Tue, 14 Jun 2016 18:13:24 +0000 (UTC) Received: from RHEL65.localdomain (unknown [16.214.227.42]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id 2C5A14F; Tue, 14 Jun 2016 18:13:23 +0000 (UTC) From: Waiman Long To: Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch , Waiman Long Subject: [RFC PATCH-tip 4/6] locking/rwsem: Change RWSEM_WAITING_BIAS for better disambiguation Date: Tue, 14 Jun 2016 14:12:37 -0400 X-ASG-Orig-Subj: [RFC PATCH-tip 4/6] locking/rwsem: Change RWSEM_WAITING_BIAS for better disambiguation Message-Id: <1465927959-39719-5-git-send-email-Waiman.Long@hpe.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> X-Barracuda-Connect: g9t5008.houston.hpe.com[15.241.48.72] X-Barracuda-Start-Time: 1465928006 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10095 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30432 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header When the count value is in between 0 and RWSEM_WAITING_BIAS, there are 2 possibilities. Either a writer is present and there is no waiter or there are waiters and readers. There is no easy way to know which is true unless the wait_lock is taken. This patch changes the RWSEM_WAITING_BIAS from 0xffff (32-bit) or 0xffffffff (64-bit) to 0xc0000000 (32-bit) or 0xc000000000000000 (64-bit). By doing so, we will be able to determine if writers are present by looking at the count value alone without taking the wait_lock. This patch has the effect of halving the maximum number of writers that can attempt to take the write lock simultaneously. However, even the reduced maximum of about 16k (32-bit) or 1G (64-bit) should be more than enough for the foreseeable future. With that change, the following identity is now no longer true: RWSEM_ACTIVE_WRITE_BIAS = RWSEM_WAITING_BIAS + RWSEM_ACTIVE_READ_BIAS Signed-off-by: Waiman Long --- arch/alpha/include/asm/rwsem.h | 7 ++++--- arch/ia64/include/asm/rwsem.h | 6 +++--- arch/s390/include/asm/rwsem.h | 6 +++--- arch/x86/include/asm/rwsem.h | 13 ++++++++----- include/asm-generic/rwsem.h | 9 +++++---- kernel/locking/rwsem-xadd.c | 32 ++++++++++++++++++++++++-------- 6 files changed, 47 insertions(+), 26 deletions(-) diff --git a/arch/alpha/include/asm/rwsem.h b/arch/alpha/include/asm/rwsem.h index 77873d0..0f08fad 100644 --- a/arch/alpha/include/asm/rwsem.h +++ b/arch/alpha/include/asm/rwsem.h @@ -17,9 +17,9 @@ #define RWSEM_UNLOCKED_VALUE 0x0000000000000000L #define RWSEM_ACTIVE_BIAS 0x0000000000000001L #define RWSEM_ACTIVE_MASK 0x00000000ffffffffL -#define RWSEM_WAITING_BIAS (-0x0000000100000000L) +#define RWSEM_WAITING_BIAS 0xc000000000000000L #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) +#define RWSEM_ACTIVE_WRITE_BIAS (-RWSEM_ACTIVE_MASK) static inline void __down_read(struct rw_semaphore *sem) { @@ -185,7 +185,8 @@ static inline void __downgrade_write(struct rw_semaphore *sem) "2: br 1b\n" ".previous" :"=&r" (oldcount), "=m" (sem->count), "=&r" (temp) - :"Ir" (-RWSEM_WAITING_BIAS), "m" (sem->count) : "memory"); + :"Ir" (-RWSEM_ACTIVE_WRITE_BIAS + RWSEM_ACTIVE_READ_BIAS), + "m" (sem->count) : "memory"); #endif if (unlikely(oldcount < 0)) rwsem_downgrade_wake(sem); diff --git a/arch/ia64/include/asm/rwsem.h b/arch/ia64/include/asm/rwsem.h index 8fa98dd..db3693b 100644 --- a/arch/ia64/include/asm/rwsem.h +++ b/arch/ia64/include/asm/rwsem.h @@ -30,9 +30,9 @@ #define RWSEM_UNLOCKED_VALUE __IA64_UL_CONST(0x0000000000000000) #define RWSEM_ACTIVE_BIAS (1L) #define RWSEM_ACTIVE_MASK (0xffffffffL) -#define RWSEM_WAITING_BIAS (-0x100000000L) +#define RWSEM_WAITING_BIAS (-(1L << 62)) #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) +#define RWSEM_ACTIVE_WRITE_BIAS (-RWSEM_ACTIVE_MASK) /* * lock for reading @@ -144,7 +144,7 @@ __downgrade_write (struct rw_semaphore *sem) do { old = atomic_long_read(&sem->count); - new = old - RWSEM_WAITING_BIAS; + new = old - RWSEM_ACTIVE_WRITE_BIAS + RWSEM_ACTIVE_READ_BIAS; } while (atomic_long_cmpxchg_release(&sem->count, old, new) != old); if (old < 0) diff --git a/arch/s390/include/asm/rwsem.h b/arch/s390/include/asm/rwsem.h index 597e7e9..e7f50f5 100644 --- a/arch/s390/include/asm/rwsem.h +++ b/arch/s390/include/asm/rwsem.h @@ -42,9 +42,9 @@ #define RWSEM_UNLOCKED_VALUE 0x0000000000000000L #define RWSEM_ACTIVE_BIAS 0x0000000000000001L #define RWSEM_ACTIVE_MASK 0x00000000ffffffffL -#define RWSEM_WAITING_BIAS (-0x0000000100000000L) +#define RWSEM_WAITING_BIAS 0xc000000000000000L #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) +#define RWSEM_ACTIVE_WRITE_BIAS (-RWSEM_ACTIVE_MASK) /* * lock for reading @@ -193,7 +193,7 @@ static inline void __downgrade_write(struct rw_semaphore *sem) { signed long old, new, tmp; - tmp = -RWSEM_WAITING_BIAS; + tmp = -RWSEM_ACTIVE_WRITE_BIAS + RWSEM_ACTIVE_READ_BIAS; asm volatile( " lg %0,%2\n" "0: lgr %1,%0\n" diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h index 089ced4..f1fb09f 100644 --- a/arch/x86/include/asm/rwsem.h +++ b/arch/x86/include/asm/rwsem.h @@ -41,21 +41,23 @@ /* * The bias values and the counter type limits the number of - * potential readers/writers to 32767 for 32 bits and 2147483647 - * for 64 bits. + * potential writers to 16383 for 32 bits and 1073741823 for 64 bits. + * The combined readers and writers can go up to 65534 for 32-bits and + * 4294967294 for 64-bits. */ #ifdef CONFIG_X86_64 # define RWSEM_ACTIVE_MASK 0xffffffffL +# define RWSEM_WAITING_BIAS (-(1L << 62)) #else # define RWSEM_ACTIVE_MASK 0x0000ffffL +# define RWSEM_WAITING_BIAS (-(1L << 30)) #endif #define RWSEM_UNLOCKED_VALUE 0x00000000L #define RWSEM_ACTIVE_BIAS 0x00000001L -#define RWSEM_WAITING_BIAS (-RWSEM_ACTIVE_MASK-1) #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) +#define RWSEM_ACTIVE_WRITE_BIAS (-RWSEM_ACTIVE_MASK) /* * lock for reading @@ -209,7 +211,8 @@ static inline void __downgrade_write(struct rw_semaphore *sem) "1:\n\t" "# ending __downgrade_write\n" : "+m" (sem->count) - : "a" (sem), "er" (-RWSEM_WAITING_BIAS) + : "a" (sem), "er" (-RWSEM_ACTIVE_WRITE_BIAS + + RWSEM_ACTIVE_READ_BIAS) : "memory", "cc"); } diff --git a/include/asm-generic/rwsem.h b/include/asm-generic/rwsem.h index 5be122e..655e405 100644 --- a/include/asm-generic/rwsem.h +++ b/include/asm-generic/rwsem.h @@ -18,15 +18,16 @@ */ #ifdef CONFIG_64BIT # define RWSEM_ACTIVE_MASK 0xffffffffL +# define RWSEM_WAITING_BIAS (-(1L << 62)) #else # define RWSEM_ACTIVE_MASK 0x0000ffffL +# define RWSEM_WAITING_BIAS (-(1L << 30)) #endif #define RWSEM_UNLOCKED_VALUE 0x00000000L #define RWSEM_ACTIVE_BIAS 0x00000001L -#define RWSEM_WAITING_BIAS (-RWSEM_ACTIVE_MASK-1) #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) +#define RWSEM_ACTIVE_WRITE_BIAS (-RWSEM_ACTIVE_MASK) /* * lock for reading @@ -120,8 +121,8 @@ static inline void __downgrade_write(struct rw_semaphore *sem) * read-locked region is ok to be re-ordered into the * write side. As such, rely on RELEASE semantics. */ - tmp = atomic_long_add_return_release(-RWSEM_WAITING_BIAS, - (atomic_long_t *)&sem->count); + tmp = atomic_long_add_return_release(-RWSEM_ACTIVE_WRITE_BIAS + + RWSEM_ACTIVE_READ_BIAS, (atomic_long_t *)&sem->count); if (tmp < 0) rwsem_downgrade_wake(sem); } diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index 400e594..689a138 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -29,28 +29,30 @@ * 0x00000000 rwsem is unlocked, and no one is waiting for the lock or * attempting to read lock or write lock. * - * 0xffff000X (1) X readers active or attempting lock, with waiters for lock + * 0xc000000X (1) X readers active or attempting lock, with waiters for lock * X = #active readers + # readers attempting lock * (X*ACTIVE_BIAS + WAITING_BIAS) - * (2) 1 writer attempting lock, no waiters for lock + * + * 0xffff000X (1) 1 writer attempting lock, no waiters for lock * X-1 = #active readers + #readers attempting lock * ((X-1)*ACTIVE_BIAS + ACTIVE_WRITE_BIAS) - * (3) 1 writer active, no waiters for lock + * (2) 1 writer active, no waiters for lock * X-1 = #active readers + #readers attempting lock * ((X-1)*ACTIVE_BIAS + ACTIVE_WRITE_BIAS) * - * 0xffff0001 (1) 1 reader active or attempting lock, waiters for lock + * 0xc0000001 (1) 1 reader active or attempting lock, waiters for lock * (WAITING_BIAS + ACTIVE_BIAS) - * (2) 1 writer active or attempting lock, no waiters for lock + * + * 0xffff0001 (1) 1 writer active or attempting lock, no waiters for lock * (ACTIVE_WRITE_BIAS) * - * 0xffff0000 (1) There are writers or readers queued but none active + * 0xc0000000 (1) There are writers or readers queued but none active * or in the process of attempting lock. * (WAITING_BIAS) * Note: writer can attempt to steal lock for this count by adding * ACTIVE_WRITE_BIAS in cmpxchg and checking the old count * - * 0xfffe0001 (1) 1 writer active, or attempting lock. Waiters on queue. + * 0xbfff0001 (1) 1 writer active, or attempting lock. Waiters on queue. * (ACTIVE_WRITE_BIAS + WAITING_BIAS) * * Note: Readers attempt to lock by adding ACTIVE_BIAS in down_read and checking @@ -62,9 +64,23 @@ * checking the count becomes ACTIVE_WRITE_BIAS for successful lock * acquisition (i.e. nobody else has lock or attempts lock). If * unsuccessful, in rwsem_down_write_failed, we'll check to see if there - * are only waiters but none active (5th case above), and attempt to + * are only waiters but none active (7th case above), and attempt to * steal the lock. * + * We can infer the reader/writer/waiter state of the lock by looking + * at the count value: + * (1) count > 0 + * Only readers are present. + * (2) WAITING_BIAS - ACTIVE_WRITE_BIAS < count < 0 + * Have writers, maybe readers, but no waiter + * (3) WAITING_BIAS < count <= WAITING_BIAS - ACTIVE_WRITE_BIAS + * Have readers and waiters, but no writer + * (4) count < WAITING_BIAS + * Have writers and waiters, maybe readers + * + * IOW, writers are present when + * (1) count < WAITING_BIAS, or + * (2) WAITING_BIAS - ACTIVE_WRITE_BIAS < count < 0 */ /* -- 1.7.1 From Waiman.Long@hpe.com Tue Jun 14 13:13:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 069A27CBE for ; Tue, 14 Jun 2016 13:13:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id BE46830405F for ; Tue, 14 Jun 2016 11:13:32 -0700 (PDT) X-ASG-Debug-ID: 1465928010-04cbb03f55101a30001-NocioJ Received: from g4t3425.houston.hpe.com (g4t3425.houston.hpe.com [15.241.140.78]) by cuda.sgi.com with ESMTP id Jc9VWdbRTBl7iAQr (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 11:13:30 -0700 (PDT) X-Barracuda-Envelope-From: Waiman.Long@hpe.com X-Barracuda-Effective-Source-IP: g4t3425.houston.hpe.com[15.241.140.78] X-Barracuda-Apparent-Source-IP: 15.241.140.78 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g4t3425.houston.hpe.com (Postfix) with ESMTP id 54A1250; Tue, 14 Jun 2016 18:13:30 +0000 (UTC) Received: from RHEL65.localdomain (unknown [16.214.227.42]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id 9D66C4B; Tue, 14 Jun 2016 18:13:28 +0000 (UTC) From: Waiman Long To: Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch , Waiman Long Subject: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes Date: Tue, 14 Jun 2016 14:12:39 -0400 X-ASG-Orig-Subj: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes Message-Id: <1465927959-39719-7-git-send-email-Waiman.Long@hpe.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> X-Barracuda-Connect: g4t3425.houston.hpe.com[15.241.140.78] X-Barracuda-Start-Time: 1465928010 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1366 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30432 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header This patch enables reader optimistic spinning for inodes that are under a DAX-based mount point. On a 4-socket Haswell machine running on a 4.7-rc1 tip-based kernel, the fio test with multithreaded randrw and randwrite tests on the same file on a XFS partition on top of a NVDIMM with DAX were run, the aggregated bandwidths before and after the patch were as follows: Test BW before patch BW after patch % change ---- --------------- -------------- -------- randrw 1352 MB/s 2164 MB/s +60% randwrite 1710 MB/s 2550 MB/s +49% Signed-off-by: Waiman Long --- fs/xfs/xfs_icache.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 99ee6ee..09f284f 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -71,6 +71,15 @@ xfs_inode_alloc( mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino); + /* + * Enable reader spinning for DAX nount point + */ + if (mp->m_flags & XFS_MOUNT_DAX) { + rwsem_set_rspin_threshold(&ip->i_iolock.mr_lock); + rwsem_set_rspin_threshold(&ip->i_mmaplock.mr_lock); + rwsem_set_rspin_threshold(&ip->i_lock.mr_lock); + } + /* initialise the xfs inode */ ip->i_ino = ino; ip->i_mount = mp; -- 1.7.1 From Waiman.Long@hpe.com Tue Jun 14 13:13:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 097FA7CC5 for ; Tue, 14 Jun 2016 13:13:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 78FF2AC004 for ; Tue, 14 Jun 2016 11:13:32 -0700 (PDT) X-ASG-Debug-ID: 1465928008-04cb6c3813a7290001-NocioJ Received: from g4t3425.houston.hpe.com (g4t3425.houston.hpe.com [15.241.140.78]) by cuda.sgi.com with ESMTP id 1uFZovizJ6Zc4pXu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 11:13:29 -0700 (PDT) X-Barracuda-Envelope-From: Waiman.Long@hpe.com X-Barracuda-Effective-Source-IP: g4t3425.houston.hpe.com[15.241.140.78] X-Barracuda-Apparent-Source-IP: 15.241.140.78 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g4t3425.houston.hpe.com (Postfix) with ESMTP id 816DF4B; Tue, 14 Jun 2016 18:13:28 +0000 (UTC) Received: from RHEL65.localdomain (unknown [16.214.227.42]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id D1A534C; Tue, 14 Jun 2016 18:13:24 +0000 (UTC) From: Waiman Long To: Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch , Waiman Long Subject: [RFC PATCH-tip 5/6] locking/rwsem: Enable spinning readers Date: Tue, 14 Jun 2016 14:12:38 -0400 X-ASG-Orig-Subj: [RFC PATCH-tip 5/6] locking/rwsem: Enable spinning readers Message-Id: <1465927959-39719-6-git-send-email-Waiman.Long@hpe.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> X-Barracuda-Connect: g4t3425.houston.hpe.com[15.241.140.78] X-Barracuda-Start-Time: 1465928009 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3493 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30432 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header This patch enables readers to optimistically spin when the rspin_threshold is non-zero. That threshold value should only be set when the lock owners of the rwsem are unlikely to go to sleep. Otherwise enabling reader spinning may make the performance worse in some cases. Signed-off-by: Waiman Long --- kernel/locking/rwsem-xadd.c | 45 +++++++++++++++++++++++++++++++++++++----- 1 files changed, 39 insertions(+), 6 deletions(-) diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index 689a138..be2a327 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -83,6 +83,12 @@ * (2) WAITING_BIAS - ACTIVE_WRITE_BIAS < count < 0 */ +static inline bool count_has_writer(long count) +{ + return (count < RWSEM_WAITING_BIAS) || ((count < 0) && + (count > RWSEM_WAITING_BIAS - RWSEM_ACTIVE_WRITE_BIAS)); +} + /* * Initialize an rwsem: */ @@ -294,6 +300,25 @@ static inline bool rwsem_try_write_lock_unqueued(struct rw_semaphore *sem) } } +/* + * Try to acquire read lock before the reader is put on wait queue + */ +static inline bool rwsem_try_read_lock_unqueued(struct rw_semaphore *sem) +{ + long count = atomic_long_read(&sem->count); + + if (count_has_writer(count)) + return false; + count = atomic_long_add_return_acquire(RWSEM_ACTIVE_READ_BIAS, + &sem->count); + if (!count_has_writer(count)) + return true; + + /* Back out the change */ + atomic_long_add(-RWSEM_ACTIVE_READ_BIAS, &sem->count); + return false; +} + static inline bool rwsem_can_spin_on_owner(struct rw_semaphore *sem) { struct task_struct *owner; @@ -357,7 +382,8 @@ out: return !rwsem_owner_is_reader(READ_ONCE(sem->owner)); } -static bool rwsem_optimistic_spin(struct rw_semaphore *sem) +static bool rwsem_optimistic_spin(struct rw_semaphore *sem, + enum rwsem_waiter_type type) { bool taken = false, can_spin; int loopcnt; @@ -385,10 +411,11 @@ static bool rwsem_optimistic_spin(struct rw_semaphore *sem) /* * Try to acquire the lock */ - if (rwsem_try_write_lock_unqueued(sem)) { - taken = true; + taken = (type == RWSEM_WAITING_FOR_WRITE) + ? rwsem_try_write_lock_unqueued(sem) + : rwsem_try_read_lock_unqueued(sem); + if (taken) break; - } if (!can_spin && loopcnt) loopcnt--; @@ -425,7 +452,8 @@ static inline bool rwsem_has_spinner(struct rw_semaphore *sem) } #else -static bool rwsem_optimistic_spin(struct rw_semaphore *sem) +static bool rwsem_optimistic_spin(struct rw_semaphore *sem, + enum rwsem_waiter_type type) { return false; } @@ -454,6 +482,11 @@ struct rw_semaphore __sched * rwsem_down_read_failed(struct rw_semaphore *sem) */ atomic_long_add(-RWSEM_ACTIVE_READ_BIAS, &sem->count); + /* do optimistic spinning and steal lock if possible */ + if (sem->rspin_threshold_shift && + rwsem_optimistic_spin(sem, RWSEM_WAITING_FOR_READ)) + return sem; + /* set up my own style of waitqueue */ waiter.task = tsk; waiter.type = RWSEM_WAITING_FOR_READ; @@ -510,7 +543,7 @@ __rwsem_down_write_failed_common(struct rw_semaphore *sem, int state) count = atomic_long_sub_return(RWSEM_ACTIVE_WRITE_BIAS, &sem->count); /* do optimistic spinning and steal lock if possible */ - if (rwsem_optimistic_spin(sem)) + if (rwsem_optimistic_spin(sem, RWSEM_WAITING_FOR_WRITE)) return sem; /* -- 1.7.1 From BATV+1815987b1c14acf14571+4678+infradead.org+hch@bombadil.srs.infradead.org Tue Jun 14 13:24:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4E5687CA0 for ; Tue, 14 Jun 2016 13:24:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0E06C8F8035 for ; Tue, 14 Jun 2016 11:24:30 -0700 (PDT) X-ASG-Debug-ID: 1465928668-04cb6c3816a7790001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id YtFxgUms7mKweRDp (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 14 Jun 2016 11:24:29 -0700 (PDT) X-Barracuda-Envelope-From: BATV+1815987b1c14acf14571+4678+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bCt0h-0002Ce-RD; Tue, 14 Jun 2016 18:24:23 +0000 Date: Tue, 14 Jun 2016 11:24:23 -0700 From: Christoph Hellwig To: Waiman Long Cc: Peter Zijlstra , Ingo Molnar , linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch Subject: Re: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes Message-ID: <20160614182423.GA6330@infradead.org> X-ASG-Orig-Subj: Re: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> <1465927959-39719-7-git-send-email-Waiman.Long@hpe.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1465927959-39719-7-git-send-email-Waiman.Long@hpe.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1465928668 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 622 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30433 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Tue, Jun 14, 2016 at 02:12:39PM -0400, Waiman Long wrote: > This patch enables reader optimistic spinning for inodes that are > under a DAX-based mount point. > > On a 4-socket Haswell machine running on a 4.7-rc1 tip-based kernel, > the fio test with multithreaded randrw and randwrite tests on the > same file on a XFS partition on top of a NVDIMM with DAX were run, > the aggregated bandwidths before and after the patch were as follows: And why is this specific to DAX? Many I/O operations already never got out to disk, and ilock is mostly held for operations that have nothing to do with disk I/O. From dave@stgolabs.net Tue Jun 14 13:28:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2A2DF7CA1 for ; Tue, 14 Jun 2016 13:28:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id DCB988F8035 for ; Tue, 14 Jun 2016 11:28:12 -0700 (PDT) X-ASG-Debug-ID: 1465928889-04bdf01e15371e0001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id DgmcX5jD76eN0XbC (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 14 Jun 2016 11:28:10 -0700 (PDT) X-Barracuda-Envelope-From: dave@stgolabs.net X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 70D6AADAE; Tue, 14 Jun 2016 18:28:08 +0000 (UTC) Date: Tue, 14 Jun 2016 11:27:57 -0700 From: Davidlohr Bueso To: Waiman Long Cc: Peter Zijlstra , Ingo Molnar , linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch Subject: Re: [RFC PATCH-tip 2/6] locking/rwsem: Enable optional count-based spinning on reader Message-ID: <20160614182757.GA15903@linux-80c1.suse> X-ASG-Orig-Subj: Re: [RFC PATCH-tip 2/6] locking/rwsem: Enable optional count-based spinning on reader References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> <1465927959-39719-3-git-send-email-Waiman.Long@hpe.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <1465927959-39719-3-git-send-email-Waiman.Long@hpe.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1465928890 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 651 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30433 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, 14 Jun 2016, Waiman Long wrote: >This patch provides a way for the kernel code to designate specific >rwsems to be more aggressive in term of optimistic spinning that the >writers will continue to spin for some additional count-based time to >see if it can get the lock before sleeping. This aggressive spinning >mode should only be used on rwsems where the readers are unlikely to >go to sleep. Yikes, exposing this sort of thing makes me _very_ uneasy, not to mention the ad-hoc nature and its easiness to mess up. I'm not really for this, even if it shows extraordinary performance boosts on benchmarks. Thanks, Davidlohr From waiman.long@hpe.com Tue Jun 14 14:09:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0D3C57CA0 for ; Tue, 14 Jun 2016 14:09:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id AF9268F8049 for ; Tue, 14 Jun 2016 12:09:11 -0700 (PDT) X-ASG-Debug-ID: 1465931348-04bdf01e1338350001-NocioJ Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1on0146.outbound.protection.outlook.com [157.56.110.146]) by cuda.sgi.com with ESMTP id D2sfCJKEh1WTZ17c (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 12:09:09 -0700 (PDT) X-Barracuda-Envelope-From: waiman.long@hpe.com X-Barracuda-Effective-Source-IP: mail-bn1on0146.outbound.protection.outlook.com[157.56.110.146] X-Barracuda-Apparent-Source-IP: 157.56.110.146 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=waiman.long@hpe.com; Received: from [192.168.142.153] (72.71.243.198) by DF4PR84MB0313.NAMPRD84.PROD.OUTLOOK.COM (10.162.193.27) with Microsoft SMTP Server (TLS) id 15.1.511.8; Tue, 14 Jun 2016 19:09:06 +0000 Message-ID: <57605648.6060705@hpe.com> Date: Tue, 14 Jun 2016 15:08:56 -0400 From: Waiman Long User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130109 Thunderbird/10.0.12 MIME-Version: 1.0 To: Christoph Hellwig CC: Peter Zijlstra , Ingo Molnar , , , , , , , , Davidlohr Bueso , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch Subject: Re: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> <1465927959-39719-7-git-send-email-Waiman.Long@hpe.com> <20160614182423.GA6330@infradead.org> X-ASG-Orig-Subj: Re: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes In-Reply-To: <20160614182423.GA6330@infradead.org> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [72.71.243.198] X-ClientProxiedBy: SN1PR15CA0021.namprd15.prod.outlook.com (10.163.200.31) To DF4PR84MB0313.NAMPRD84.PROD.OUTLOOK.COM (10.162.193.27) X-MS-Office365-Filtering-Correlation-Id: 2c3f758f-6597-4781-b9a4-08d394875bf6 X-Microsoft-Exchange-Diagnostics: 1;DF4PR84MB0313;2:K2REQA9eis6w+GduPZbs6AUOHkv/sUCro2wZ4khcNgVMa8Y6qw0LkIwch7dVeVvKiLti9UvbyJdSiV2KR2ehFZp7H5jG5kVsnw23sEFcD+B3scZtJhHBqmNWu7RpFKLdGmbae8ktuuFxFpaIqJZOktKmPdlzDi4OpRrKkU0vcpdWBY0FkH3naryhymPRM3JO;3:xXOVdIoqAd1l7y3YWGqFIfP0lhG3+XpP/1ei/wc6KCusALg25iWN/h0E+u/ZFyP9JueW5VcY7IVmzzHwZmQOwYHZv7O/Mioylnx6ZpXC33UemQHORXdC1Rs64kKY1kJD;25:AWPx5S2UvFFVTau0ullBxHuV8EjsrWbgxWF7DTEt5EfBSn3hDQ8oPXizCzlMXm5quqjFKfcAf3upQC8hpqA1AWYA87/Pyd7yJsp7cyU2RvzrmpGZoDJVhDvHPcFoE+PppuErbrvpnhkTZZRU8EPxMnJi9nqoetX3s0LlFg5iW8opybH/QSFm7iFcY6AbKt2smqy+TwDtl3KMGC/XVtJq61qedSGUwNZe63Z7e/uhQW9zYgtuK+lotYKnDPOU5PXKqKfmRN0v0nPI4kHfIkk++DMjmEx4tOvnJNXXJ5yNoF6KeIOF8kaWI7hZOrIszkDE+8L8dL0FvI/HGVY7G0fuP3/71hWTTbvjC6lTnH1E47UwBEfro8OTtvtcKsVcslzCNZdbCAZsRUQ3LTbiPIIMgHeRP4I9wIdij9fLn9Ckc8o= X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DF4PR84MB0313; 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Many I/O operations already never > got out to disk, and ilock is mostly held for operations that have > nothing to do with disk I/O. It is just a showcase for the rwsem change. We can certainly have more use cases. Cheers, Longman From waiman.long@hpe.com Tue Jun 14 14:11:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 474167CA3 for ; Tue, 14 Jun 2016 14:11:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 92D91AC005 for ; Tue, 14 Jun 2016 12:11:34 -0700 (PDT) X-ASG-Debug-ID: 1465931491-04cbb01fec00c80001-NocioJ Received: from na01-by2-obe.outbound.protection.outlook.com (mail-by2on0130.outbound.protection.outlook.com [207.46.100.130]) by cuda.sgi.com with ESMTP id IRSCI9F6UNcU3Qff (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 12:11:32 -0700 (PDT) X-Barracuda-Envelope-From: waiman.long@hpe.com X-Barracuda-Effective-Source-IP: mail-by2on0130.outbound.protection.outlook.com[207.46.100.130] X-Barracuda-Apparent-Source-IP: 207.46.100.130 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=waiman.long@hpe.com; Received: from [192.168.142.153] (72.71.243.198) by AT5PR84MB0307.NAMPRD84.PROD.OUTLOOK.COM (10.162.138.29) with Microsoft SMTP Server (TLS) id 15.1.523.12; Tue, 14 Jun 2016 19:11:27 +0000 Message-ID: <576056DB.5050701@hpe.com> Date: Tue, 14 Jun 2016 15:11:23 -0400 From: Waiman Long User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130109 Thunderbird/10.0.12 MIME-Version: 1.0 To: Davidlohr Bueso CC: Peter Zijlstra , Ingo Molnar , , , , , , , , Jason Low , Dave Chinner , Scott J Norton , Douglas Hatch Subject: Re: [RFC PATCH-tip 2/6] locking/rwsem: Enable optional count-based spinning on reader References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> <1465927959-39719-3-git-send-email-Waiman.Long@hpe.com> 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X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: AT5PR84MB0307 X-Barracuda-Connect: mail-by2on0130.outbound.protection.outlook.com[207.46.100.130] X-Barracuda-Start-Time: 1465931491 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 861 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30434 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 06/14/2016 02:27 PM, Davidlohr Bueso wrote: > On Tue, 14 Jun 2016, Waiman Long wrote: > >> This patch provides a way for the kernel code to designate specific >> rwsems to be more aggressive in term of optimistic spinning that the >> writers will continue to spin for some additional count-based time to >> see if it can get the lock before sleeping. This aggressive spinning >> mode should only be used on rwsems where the readers are unlikely to >> go to sleep. > > Yikes, exposing this sort of thing makes me _very_ uneasy, not to mention > the ad-hoc nature and its easiness to mess up. I'm not really for > this, even > if it shows extraordinary performance boosts on benchmarks. > > Thanks, > Davidlohr I understand your concern. I will see if there is a way to autotune instead of using explicit enablement. Cheers, Longman From thomas@fjellstrom.ca Tue Jun 14 15:51:37 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4D0247CA0 for ; Tue, 14 Jun 2016 15:51:37 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1E7FC30405F for ; Tue, 14 Jun 2016 13:51:33 -0700 (PDT) X-ASG-Debug-ID: 1465937488-04cbb01fee034c0001-NocioJ Received: from s18564588.onlinehome-server.info (s18564588.onlinehome-server.info [212.227.86.227]) by cuda.sgi.com with ESMTP id YTm6Blmk9lsSY1hS (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 13:51:30 -0700 (PDT) X-Barracuda-Envelope-From: thomas@fjellstrom.ca X-Barracuda-Effective-Source-IP: s18564588.onlinehome-server.info[212.227.86.227] X-Barracuda-Apparent-Source-IP: 212.227.86.227 Received: from lhwhgu.com (unknown [138.204.37.172]) by s18564588.onlinehome-server.info (Postfix) with ESMTPSA id 281E912D27; Tue, 14 Jun 2016 21:09:45 +0100 (BST) From: To: "xemul" , "xen-devel" , "xfs" , "xiakaixu" , "xiaofeng.yan" Subject: recent photos Date: Tue, 14 Jun 2016 23:09:42 +0300 X-ASG-Orig-Subj: recent photos Message-ID: <00006044b145$8783a721$bdcb090a$@fjellstrom.ca> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_1DBC46AE.52935B68" X-Mailer: Microsoft Outlook 15.0 Thread-Index: AdHOBc8aLvQTjF7iu1fSwaxEBvz2Vw== Content-Language: en-us X-Barracuda-Connect: s18564588.onlinehome-server.info[212.227.86.227] X-Barracuda-Start-Time: 1465937489 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2375 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.01 X-Barracuda-Spam-Status: No, SCORE=0.01 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, HTML_MESSAGE, NO_REAL_NAME, THREAD_INDEX X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30437 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.00 NO_REAL_NAME From: does not include a real name 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message This is a multipart message in MIME format. ------=_NextPart_000_0001_1DBC46AE.52935B68 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi, I've got those photos from our last meeting, just take a look Kind regards, thomas@fjellstrom.ca ------=_NextPart_000_0001_1DBC46AE.52935B68 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
<= span lang=3DEN-US>Hi,

I've got those photos from our last meeting, just take a lo= ok http= ://hislechypo.cincoranchhomevalue.com/aevzzepz

=
Kind regards, thomas@fjellstro= m.ca
------=_NextPart_000_0001_1DBC46AE.52935B68-- From david@fromorbit.com Tue Jun 14 18:06:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7964D7CA0 for ; Tue, 14 Jun 2016 18:06:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4B8A7304039 for ; Tue, 14 Jun 2016 16:06:35 -0700 (PDT) X-ASG-Debug-ID: 1465945589-04cbb01fee07490001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id y1ktwrMwP6v0vY57 for ; Tue, 14 Jun 2016 16:06:29 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DQCgD7jGBXN5gMLHldgz6BU4Zvn3ABAQEBAQEGjDiGBoQIhhECAgEBAoEzTQEBAQEBAQcBAQEBQkCETAEBBCcTHBYKAxAIAxgJJQ8FJQMHGhOIL71tAQEBAQYBAQEBIx6FQYUVh2yCLwWIDZBWjh+PLI90hFQqMooIAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Jun 2016 08:36:13 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bCxPR-0008NF-8Z; Wed, 15 Jun 2016 09:06:13 +1000 Date: Wed, 15 Jun 2016 09:06:13 +1000 From: Dave Chinner To: Waiman Long Cc: Peter Zijlstra , Ingo Molnar , linux-kernel@vger.kernel.org, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, xfs@oss.sgi.com, Davidlohr Bueso , Jason Low , Scott J Norton , Douglas Hatch Subject: Re: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes Message-ID: <20160614230613.GB26977@dastard> X-ASG-Orig-Subj: Re: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> <1465927959-39719-7-git-send-email-Waiman.Long@hpe.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1465927959-39719-7-git-send-email-Waiman.Long@hpe.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1465945589 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2246 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30440 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 14, 2016 at 02:12:39PM -0400, Waiman Long wrote: > This patch enables reader optimistic spinning for inodes that are > under a DAX-based mount point. > > On a 4-socket Haswell machine running on a 4.7-rc1 tip-based kernel, > the fio test with multithreaded randrw and randwrite tests on the > same file on a XFS partition on top of a NVDIMM with DAX were run, > the aggregated bandwidths before and after the patch were as follows: > > Test BW before patch BW after patch % change > ---- --------------- -------------- -------- > randrw 1352 MB/s 2164 MB/s +60% > randwrite 1710 MB/s 2550 MB/s +49% > > Signed-off-by: Waiman Long > --- > fs/xfs/xfs_icache.c | 9 +++++++++ > 1 files changed, 9 insertions(+), 0 deletions(-) > > diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c > index 99ee6ee..09f284f 100644 > --- a/fs/xfs/xfs_icache.c > +++ b/fs/xfs/xfs_icache.c > @@ -71,6 +71,15 @@ xfs_inode_alloc( > > mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino); > > + /* > + * Enable reader spinning for DAX nount point > + */ > + if (mp->m_flags & XFS_MOUNT_DAX) { > + rwsem_set_rspin_threshold(&ip->i_iolock.mr_lock); > + rwsem_set_rspin_threshold(&ip->i_mmaplock.mr_lock); > + rwsem_set_rspin_threshold(&ip->i_lock.mr_lock); > + } That's wrong. DAX is a per-inode flag, not a mount wide flag. This needs to be done once the inode has been fully initialised and IS_DAX(inode) can be run. Also, the benchmark doesn't show that all these locks are being tested by this benchmark. e.g. the i_mmaplock isn't involved in the benchmark's IO paths at all. It's only taken in page faults and truncate paths.... I'd also like to see how much of the gain comes from the iolock vs the ilock, as the ilock is nested inside the iolock and so contention is much rarer.... As it is, I'm *extremely* paranoid when it comes to changes to core locking like this. Performance is secondary to correctness, and we need much more than just a few benchmarks to verify there aren't locking bugs being introduced.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Jun 14 19:07:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7B6047CA0 for ; Tue, 14 Jun 2016 19:07:45 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3E6768F8037 for ; Tue, 14 Jun 2016 17:07:42 -0700 (PDT) X-ASG-Debug-ID: 1465949253-04bdf01e1740520001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id 1WwDMyjkDIk6NlDZ for ; Tue, 14 Jun 2016 17:07:34 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DWEAADm2BXKJgMLHlDGoM+Vn2mXwEBAQEBAQaMOIoOIoVvAgIBAQKBNE0BAQEBAQEHAQEBAQEBQECESwEBAQMBJxMcIwULCAMRAwECAQkMGQ8FJQMHDA4TiCgHDy29OwEBAQEBAQEDAQEBAQEBHAUehUGFFYQQb4Jtgi8FiAaHHIlBhgWIGoFzhFKIZ490hFQqMgGIQ4FEAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 15 Jun 2016 09:32:43 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bCyI5-0008S0-M9; Wed, 15 Jun 2016 10:02:41 +1000 Date: Wed, 15 Jun 2016 10:02:41 +1000 From: Dave Chinner To: "Thomas D." Cc: xfs@oss.sgi.com, stable@vger.kernel.org, spender@grsecurity.net Subject: Re: Something badly broken with the latest XFS changeset in all stable kernels? Message-ID: <20160615000241.GC26977@dastard> X-ASG-Orig-Subj: Re: Something badly broken with the latest XFS changeset in all stable kernels? References: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1465949253 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2822 X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30442 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Mon, Jun 13, 2016 at 11:57:53PM +0200, Thomas D. wrote: > Hi, > > can anybody confirm if there's something broken with the latest XFS > change set which is now applied on all stable kernels? > > I found https://forums.grsecurity.net/viewtopic.php?t=4489&p=16355 and > grsec changelog says > > > commit 1f621dc42acbabb71bd69f6ba606cee56e7ad3bc > > Author: Brad Spengler > > Date: Sat Jun 11 08:14:32 2016 -0400 > > > > Fix Greg KH's broken XFS backport, caused a benign case to be detected > > as disk corruption > > Problem was due to a tree-wide conversion of error codes to their negative > > counterparts, which would likely never be backported to older kernels, but > > the backports didn't account for the change > > > > fs/xfs/xfs_inode.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) Yes, the backport is busted, and needs this fix. The error sign change occurred in 3.17. xfstests would have picked up this regression in a couple of minutes, so I'm guessing that none of these stable releases have had any significant regression testing done.... > This is the change grsec applied: > > > diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c > > index fb8579d..af807d8 100644 > > --- a/fs/xfs/xfs_inode.c > > +++ b/fs/xfs/xfs_inode.c > > @@ -3098,7 +3111,7 @@ xfs_iflush( > > */ > > error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, XBF_TRYLOCK, > > 0); > > - if (error == -EAGAIN) { > > + if (error == EAGAIN) { > > xfs_ifunlock(ip); > > return error; > > } Yes, that is the fix that is needed. Thank you for reporting it to us. Mr Spender: it would be appreciated if you reported stable kernel regressions to the relevant upstream maintainers so they can be fixed quickly for everyone, rather than having one of your users decide it needs to be reported. Stable kernel maintainers: the above error sign change is needed for stable kernels 3.16 and earlier, as a matter of critical importance. And as a further matter of critical importance: in future, please take the time to regression test the changes you backport. > The bad commit according to grsec's statement is > > > From b1438f477934f5a4d5a44df26f3079a7575d5946 Mon Sep 17 00:00:00 2001 > > From: Dave Chinner > > Date: Wed, 18 May 2016 13:53:42 +1000 > > Subject: [PATCH] xfs: xfs_iflush_cluster fails to abort on error > > Would be nice to get some clarification. There's nothing wrong with that commit in the upstream kernel, it's the backport that has a bug in it because it failed to take into account changes outside the context of the upstream commit that the older kernels don't have. Cheers, Dave. -- Dave Chinner david@fromorbit.com From greg@kroah.com Tue Jun 14 20:31:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 335317CA0 for ; Tue, 14 Jun 2016 20:31:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id B0F63AC001 for ; Tue, 14 Jun 2016 18:31:00 -0700 (PDT) X-ASG-Debug-ID: 1465954257-04cbb01fee0b180001-NocioJ Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by cuda.sgi.com with ESMTP id Ibv2bddN0Cdc58RD (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 14 Jun 2016 18:30:57 -0700 (PDT) X-Barracuda-Envelope-From: greg@kroah.com X-Barracuda-Effective-Source-IP: out3-smtp.messagingengine.com[66.111.4.27] X-Barracuda-Apparent-Source-IP: 66.111.4.27 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id C767F21CA3; Tue, 14 Jun 2016 21:30:56 -0400 (EDT) Received: from frontend1 ([10.202.2.160]) by compute4.internal (MEProxy); Tue, 14 Jun 2016 21:30:56 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=smtpout; bh=9ps7cPraNl39AN9dpUMV+EKNBb0=; b=L//fF yS+qsrVgire9MYfLP7fx8Mzm44aQJvyESH4oOLctkRsXYJGaOQE6L4dbgXKF3ubg wOQvnupdD0gPuz9aASXqqA31sUDuUxBi70BEoS5ga2m9bThBkpQL21AxUr5Nc2Ca IWjTAJh2UWk9vsCBoScpcZQDM6iTgfBqV/kwi8= X-Sasl-enc: JiMCPKk/GKbvHD/wZSnE/s6Jj9LPPNh1PJlLJLw2ldgC 1465954256 Received: from localhost (c-50-170-35-168.hsd1.wa.comcast.net [50.170.35.168]) by mail.messagingengine.com (Postfix) with ESMTPA id 36D74F29F7; Tue, 14 Jun 2016 21:30:56 -0400 (EDT) Date: Tue, 14 Jun 2016 18:30:56 -0700 From: Greg KH To: Dave Chinner Cc: "Thomas D." , xfs@oss.sgi.com, stable@vger.kernel.org, spender@grsecurity.net Subject: Re: Something badly broken with the latest XFS changeset in all stable kernels? Message-ID: <20160615013056.GA23074@kroah.com> X-ASG-Orig-Subj: Re: Something badly broken with the latest XFS changeset in all stable kernels? References: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> <20160615000241.GC26977@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160615000241.GC26977@dastard> User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: out3-smtp.messagingengine.com[66.111.4.27] X-Barracuda-Start-Time: 1465954257 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3285 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30443 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Jun 15, 2016 at 10:02:41AM +1000, Dave Chinner wrote: > On Mon, Jun 13, 2016 at 11:57:53PM +0200, Thomas D. wrote: > > Hi, > > > > can anybody confirm if there's something broken with the latest XFS > > change set which is now applied on all stable kernels? > > > > I found https://forums.grsecurity.net/viewtopic.php?t=4489&p=16355 and > > grsec changelog says > > > > > commit 1f621dc42acbabb71bd69f6ba606cee56e7ad3bc > > > Author: Brad Spengler > > > Date: Sat Jun 11 08:14:32 2016 -0400 > > > > > > Fix Greg KH's broken XFS backport, caused a benign case to be detected > > > as disk corruption > > > Problem was due to a tree-wide conversion of error codes to their negative > > > counterparts, which would likely never be backported to older kernels, but > > > the backports didn't account for the change > > > > > > fs/xfs/xfs_inode.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > Yes, the backport is busted, and needs this fix. The error sign > change occurred in 3.17. xfstests would have picked up this > regression in a couple of minutes, so I'm guessing that none of > these stable releases have had any significant regression testing > done.... > > > This is the change grsec applied: > > > > > diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c > > > index fb8579d..af807d8 100644 > > > --- a/fs/xfs/xfs_inode.c > > > +++ b/fs/xfs/xfs_inode.c > > > @@ -3098,7 +3111,7 @@ xfs_iflush( > > > */ > > > error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, XBF_TRYLOCK, > > > 0); > > > - if (error == -EAGAIN) { > > > + if (error == EAGAIN) { > > > xfs_ifunlock(ip); > > > return error; > > > } > > Yes, that is the fix that is needed. Thank you for reporting it to > us. > > Mr Spender: it would be appreciated if you reported stable kernel > regressions to the relevant upstream maintainers so they can be > fixed quickly for everyone, rather than having one of your users > decide it needs to be reported. > > Stable kernel maintainers: the above error sign change is needed for > stable kernels 3.16 and earlier, as a matter of critical importance. > And as a further matter of critical importance: in future, please > take the time to regression test the changes you backport. > > > The bad commit according to grsec's statement is > > > > > From b1438f477934f5a4d5a44df26f3079a7575d5946 Mon Sep 17 00:00:00 2001 > > > From: Dave Chinner > > > Date: Wed, 18 May 2016 13:53:42 +1000 > > > Subject: [PATCH] xfs: xfs_iflush_cluster fails to abort on error > > > > Would be nice to get some clarification. > > There's nothing wrong with that commit in the upstream kernel, > it's the backport that has a bug in it because it failed to take > into account changes outside the context of the upstream commit that > the older kernels don't have. Thanks for letting me know about this. As the patch was tagged with 3.10+, I assumed that it was safe to be merged to those older kernels, otherwise I would never have done so. We do have ways to mark external things like this for stable patches, it's a great help when doing backports. thanks, greg k-h From w@1wt.eu Wed Jun 15 00:28:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8C8067CA0 for ; Wed, 15 Jun 2016 00:28:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id EE8EEAC002 for ; Tue, 14 Jun 2016 22:28:41 -0700 (PDT) X-ASG-Debug-ID: 1465968518-04cbb01fec11f60001-NocioJ Received: from 1wt.eu (wtarreau.pck.nerim.net [62.212.114.60]) by cuda.sgi.com with ESMTP id qAs5nM5C3E32IDNi for ; Tue, 14 Jun 2016 22:28:38 -0700 (PDT) X-Barracuda-Envelope-From: w@1wt.eu X-Barracuda-Effective-Source-IP: wtarreau.pck.nerim.net[62.212.114.60] X-Barracuda-Apparent-Source-IP: 62.212.114.60 Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id u5F5SVLD003642; Wed, 15 Jun 2016 07:28:31 +0200 Date: Wed, 15 Jun 2016 07:28:31 +0200 From: Willy Tarreau To: Greg KH Cc: Dave Chinner , "Thomas D." , xfs@oss.sgi.com, stable@vger.kernel.org, spender@grsecurity.net Subject: Re: Something badly broken with the latest XFS changeset in all stable kernels? Message-ID: <20160615052831.GA3452@1wt.eu> X-ASG-Orig-Subj: Re: Something badly broken with the latest XFS changeset in all stable kernels? References: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> <20160615000241.GC26977@dastard> <20160615013056.GA23074@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160615013056.GA23074@kroah.com> User-Agent: Mutt/1.6.0 (2016-04-01) X-Barracuda-Connect: wtarreau.pck.nerim.net[62.212.114.60] X-Barracuda-Start-Time: 1465968518 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 998 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30447 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 14, 2016 at 06:30:56PM -0700, Greg KH wrote: > As the patch was tagged with 3.10+, I assumed that it was safe to be > merged to those older kernels, otherwise I would never have done so. We > do have ways to mark external things like this for stable patches, it's > a great help when doing backports. I guess only 3.14.72 was affected in the end. 3.18.35 has the fix but my understanding is that after 3.17 it's OK. Apparently it's not yet queued for 3.16. Jiri has queued it for 3.12 but not yet released it. For 3.10 I only pick patches that are already in a 3.14 release so I didn't have the time to backport it to 3.10 yet as the preview started before the release. Overall the regression lived only 8 days in a single branch, I guess it shows that our process works rather well and limits the exposure to regressions. Brad, it would have been nice to report it to the stable team especially since you rely on these kernels for yours as well. Regards, Willy From reinoudkoornstra@gmail.com Wed Jun 15 00:40:30 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A998F7CA0 for ; Wed, 15 Jun 2016 00:40:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7BA8A8F8035 for ; Tue, 14 Jun 2016 22:40:27 -0700 (PDT) X-ASG-Debug-ID: 1465969224-04cb6c54250f340001-NocioJ Received: from mail-qg0-f43.google.com (mail-qg0-f43.google.com [209.85.192.43]) by cuda.sgi.com with ESMTP id 4BfCP7XeCOc3rKEQ (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 14 Jun 2016 22:40:24 -0700 (PDT) X-Barracuda-Envelope-From: reinoudkoornstra@gmail.com X-Barracuda-Effective-Source-IP: mail-qg0-f43.google.com[209.85.192.43] X-Barracuda-Apparent-Source-IP: 209.85.192.43 Received: by mail-qg0-f43.google.com with SMTP id v48so6305853qgd.2 for ; Tue, 14 Jun 2016 22:40:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=1e8BzOoTmSVuCXe9TVRmrCJdQkyP/js5YQ2I5SgY5Zo=; b=xNWv49O7bOU4KH0B4IDLHwazm38BTpdFce1wJfO9i3CmOpWyAmK+rj+1KdBenAK+a8 p4qVtU9UxfhEiXi3YtGqfOR9p+jTo0Yi8XOsGo/fRPmJ1jYMRhtLN5pk5WVKRYfznH+n Q/9yDOA7GF5Vx6YnK8b3XVtm0OyCciK1i5IUMBV0QvipR8CT3UIpa02YrNj/JGpdKfLv EEpAL1Vb/NfzYfBwAOXqyuBkxQmbY8BcKs1vIsLc4VIaDkHYP9HW8ZpKETAXyqTbj9vI 8AtMxHeGqGvTrisGwpp1lV//kf5649NbLoY7yuHMIY6xsWHD142BS0abbJgzS4NcW9Ht 67Dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=1e8BzOoTmSVuCXe9TVRmrCJdQkyP/js5YQ2I5SgY5Zo=; b=YUWJGAFOrVsmTO/M9+97HD+o7M9jhEVmhRY3TI4ulii9w027U7wuDCDgBuAt84VQwV AO3ecehIJLYDdB3PGsZHDOiFSjQOEo2WEMG0CAkO7IFtXPNr5JricbF001OJOmR2ydhF rfNrakmG6/8/lqQ7fXhGF12i7nNF51Q9iW8/Ad9DTCjkleU6hagFemezfJk33n392r8L YciYnKJkjuMQr3a1Pqc07Vq/TGdFhgVwwI1Nscok0IQtrJYYKSsK22VZPCQSQSUER51U sQGbijBIRsqXVBCUr+4ggejxTJTxyMBvj/vIXe2zSGDO5ZCrwLzjOPiPRf969k7oOwKZ DObQ== X-Gm-Message-State: ALyK8tItHcjF01//uuCtN2heJW67XnRpPAaAo82TY0ZMf2yd4VUB1TAhbepxQxWOGKzXKGg5h/7sEVigyU73oA== X-Received: by 10.140.250.213 with SMTP id v204mr23600892qhc.15.1465969223747; Tue, 14 Jun 2016 22:40:23 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.39.13 with HTTP; Tue, 14 Jun 2016 22:40:23 -0700 (PDT) In-Reply-To: References: <79c8e051-24a9-2e2b-553a-bcab17d03e83@sandeen.net> <20160607062717.GA30022@infradead.org> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> <20160609022238.GY26977@dastard> <00bbe658-a891-3771-ca1d-5661a8b6ab61@sandeen.net> From: Reinoud Koornstra Date: Tue, 14 Jun 2016 23:40:23 -0600 Message-ID: Subject: Re: crash in xfs in current To: Eric Sandeen X-ASG-Orig-Subj: Re: crash in xfs in current Cc: Dave Chinner , Christoph Hellwig , Daniel Wagner , viro@zeniv.linux.org.uk, xfs@oss.sgi.com Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-qg0-f43.google.com[209.85.192.43] X-Barracuda-Start-Time: 1465969224 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5207 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30447 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Wed, Jun 8, 2016 at 9:42 PM, Reinoud Koornstra wrote: > On Wed, Jun 8, 2016 at 8:56 PM, Eric Sandeen wrote: >> On 6/8/16 9:53 PM, Reinoud Koornstra wrote: >> >>>> In your Linus git tree: >>>> >>>> $ git remote add xfsdev git://git.kernel.org/git/dgc/linux-xfs.git >>>> $ git remote update >>>> $ git checkout -b xfsdev-merge v4.6 >>>> $ git merge xfsdev/xfs-for-linus-4.7-rc1 >>> >>> Tried to do this: >>> >>> reinoud@router-dev:~/Downloads/kernel_current$ git remote add xfsdev >>> git://git.kernel.org/git/dgc/linux-xfs.git >> >> I think that should be: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git > > Ok That worked better indeed. :) I've tested the way you and Dave described. Indeed, I do not see the issues appearing in that xfsdev tree. So it works good there. For verification, I tried when I was upon this state (so this is a good state): reinoud@router-dev:~/Downloads/kernel_current$ git log | more commit f56c2f323f026bd9cf942f34f8a634ccd88b6ed7 Merge: 2dcd0af 555b67e Author: Reinoud Koornstra Date: Wed Jun 8 21:31:32 2016 -0600 Merge tag 'xfs-for-linus-4.7-rc1' into xfsdev-merge xfs: update for 4.7-rc1 Merge local tree Changes in this update: o fixes for mount line parsing, sparse warnings, read-only compat feature remount behaviour o allow fast path symlink lookups for inline symlinks. o attribute listing cleanups o writeback goes direct to bios rather than indirecting through bufferheads o transaction allocation cleanup o optimised kmem_realloc o added configurable error handling for metadata write errors, changed default error handling behaviour from "retry forever" to "retry until unmount then fail" o fixed several inode cluster writeback lookup vs reclaim race conditions o fixed inode cluster writeback checking wrong inode after lookup o fixed bugs where struct xfs_inode freeing wasn't actually RCU safe o cleaned up inode reclaim tagging commit 555b67e4e729ca544bb4028ab12e532c68b70ddb Merge: 544ad71 ad438c4 Author: Dave Chinner Date: Fri May 20 10:34:00 2016 +1000 Merge branch 'xfs-4.7-inode-reclaim' into for-next commit 544ad71fc8e20fb3a6f50f00d487751492cd8409 Merge: 2a4ad58 e6b3bb7 Author: Dave Chinner Date: Fri May 20 10:33:38 2016 +1000 Merge branch 'xfs-4.7-error-cfg' into for-next commit 2a4ad5894c819978dca5595396d54d51c3aca694 Merge: a7792aa 6e3e6d5 Author: Dave Chinner Date: Fri May 20 10:33:17 2016 +1000 Merge branch 'xfs-4.7-misc-fixes' into for-next Thanks, Reinoud. > > reinoud@router-dev:~/Downloads/kernel_current$ git remote add xfsdev > git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git > reinoud@router-dev:~/Downloads/kernel_current$ git remote update > Fetching origin > Fetching xfsdev > remote: Counting objects: 139, done. > [SNIP] > reinoud@router-dev:~/Downloads/kernel_current$ git checkout -b xfsdev-merge v4.6 > Checking out files: 100% (9437/9437), done. > Switched to a new branch 'xfsdev-merge' > reinoud@router-dev:~/Downloads/kernel_current$ git merge > xfsdev/xfs-for-linus-4.7-rc1 > merge: xfsdev/xfs-for-linus-4.7-rc1 - not something we can merge > So i tried this: > > reinoud@router-dev:~/Downloads/kernel_current$ git merge xfs-for-linus-4.7-rc1 > Auto-merging fs/xfs/xfs_super.c > Auto-merging fs/xfs/xfs_pnfs.c > Auto-merging fs/xfs/xfs_mount.h > Auto-merging fs/xfs/xfs_mount.c > Auto-merging fs/xfs/xfs_file.c > Auto-merging fs/xfs/xfs_bmap_util.c > Auto-merging fs/xfs/xfs_aops.c > Auto-merging fs/xfs/libxfs/xfs_bmap.c > Auto-merging fs/namei.c > Merge made by the 'recursive' strategy. > The terminal did hang .... in 4.6 > I killed the git operation and did it again and now it says it's up to date. > > reinoud@router-dev:~/Downloads/kernel_current$ git merge xfs-for-linus-4.7-rc1 > Already up-to-date. > reinoud@router-dev:~/Downloads/kernel_current$ git status > On branch xfsdev-merge > > Is this correct, can I now build and test? > >> >> -Eric >> >>> reinoud@router-dev:~/Downloads/kernel_current$ git remote update >>> Fetching origin >>> Fetching xfsdev >>> fatal: remote error: access denied or repository not exported: >>> /git/dgc/linux-xfs.git >>> error: Could not fetch xfsdev >>> >>> I don't think I have access to git.kernel.org in terms of pushing. :) >>> Or am I doing something else wrong. >>> Forgive the trivial question. >>> >>> Btw, I started in the most current linus git tree.... or should I git >>> 4.6.y and then do your suggestions? >>> >>> Thanks, >>> >>> Reinoud. >>> >>>> >>>> And that should give you the XFS changes for 4.7-rc1 in a vanilla 4.6 >>>> tree. This merge is one of the things I test (i.e. send to my test >>>> machiens for a round of xfstests and other stress) before sending a >>>> pull request to Linus, so it should work just fine. >>>> >>>> Cheers, >>>> >>>> Dave. >>>> -- >>>> Dave Chinner >>>> david@fromorbit.com >>> From david@fromorbit.com Wed Jun 15 01:40:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 40EFC7CA0 for ; Wed, 15 Jun 2016 01:40:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id AF2A0AC002 for ; Tue, 14 Jun 2016 23:40:27 -0700 (PDT) X-ASG-Debug-ID: 1465972823-04cb6c5425100f0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id DrgHLIm54Dz3XHWG for ; Tue, 14 Jun 2016 23:40:24 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aq0NAB73YFd5LAyYKGdsb2JhbABdgz6BU4Zvn3IBBQaMOIoOhhECAgEBAoE3TQEBAQEBAQcBAQEBAQE/AUCESwEBAQQ6HCMQCAMRAwECAQkMGQ8FJQMHDA4TiC++CQEBAQEBAQQBAQEBASIehUGFFYR/gm2CLwWIB4cciUaOH48sj3SEVSoyiggBAQE Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl2.internode.on.net with ESMTP; 15 Jun 2016 16:10:22 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bD4Uw-0000hQ-7r; Wed, 15 Jun 2016 16:40:22 +1000 Date: Wed, 15 Jun 2016 16:40:22 +1000 From: Dave Chinner To: Greg KH Cc: "Thomas D." , xfs@oss.sgi.com, stable@vger.kernel.org, spender@grsecurity.net Subject: Re: Something badly broken with the latest XFS changeset in all stable kernels? Message-ID: <20160615064022.GD26977@dastard> X-ASG-Orig-Subj: Re: Something badly broken with the latest XFS changeset in all stable kernels? References: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> <20160615000241.GC26977@dastard> <20160615013056.GA23074@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160615013056.GA23074@kroah.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1465972823 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1575 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30448 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 14, 2016 at 06:30:56PM -0700, Greg KH wrote: > On Wed, Jun 15, 2016 at 10:02:41AM +1000, Dave Chinner wrote: > > On Mon, Jun 13, 2016 at 11:57:53PM +0200, Thomas D. wrote: > > > The bad commit according to grsec's statement is > > > > > > > From b1438f477934f5a4d5a44df26f3079a7575d5946 Mon Sep 17 00:00:00 2001 > > > > From: Dave Chinner > > > > Date: Wed, 18 May 2016 13:53:42 +1000 > > > > Subject: [PATCH] xfs: xfs_iflush_cluster fails to abort on error > > > > > > Would be nice to get some clarification. > > > > There's nothing wrong with that commit in the upstream kernel, > > it's the backport that has a bug in it because it failed to take > > into account changes outside the context of the upstream commit that > > the older kernels don't have. > > Thanks for letting me know about this. > > As the patch was tagged with 3.10+, I assumed that it was safe to be > merged to those older kernels, otherwise I would never have done so. We > do have ways to mark external things like this for stable patches, it's > a great help when doing backports. Little things like this are very easy to forget about - those error sign changes are ancient history as far as upstream development is concerned. This is why we have regression tests - the zero-day kernel robot can run xfstests - perhaps stable kernels should be submitted to a full round of testing before release to catch subtle "patch applies but ends up wrong" issues like this... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Jun 15 01:51:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2E9227CA0 for ; Wed, 15 Jun 2016 01:51:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D746E8F8040 for ; Tue, 14 Jun 2016 23:51:58 -0700 (PDT) X-ASG-Debug-ID: 1465973515-04bdf01e134f1a0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id OlFkaDRLvdAVzJkv for ; Tue, 14 Jun 2016 23:51:55 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkkfAKv6YFd5LAyYKGdsb2JhbABdgz6BU4Zvn3IBBQaMOIoOglCDQQQCAoE3TQEBAQEBAQcBAQEBAQE/AUCESwEBAQMBOhwjBQsIAw4KCSUPBSUDBxoTiCgHvgEBAQEHAgEkHoVBhRWHbIIvAQSTRIUljh+PLI90glscgV4qMooIAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl2.internode.on.net with ESMTP; 15 Jun 2016 16:21:22 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bD4fZ-0000iv-BA; Wed, 15 Jun 2016 16:51:21 +1000 Date: Wed, 15 Jun 2016 16:51:21 +1000 From: Dave Chinner To: Willy Tarreau Cc: Greg KH , "Thomas D." , xfs@oss.sgi.com, stable@vger.kernel.org, spender@grsecurity.net Subject: Re: Something badly broken with the latest XFS changeset in all stable kernels? Message-ID: <20160615065121.GE26977@dastard> X-ASG-Orig-Subj: Re: Something badly broken with the latest XFS changeset in all stable kernels? References: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> <20160615000241.GC26977@dastard> <20160615013056.GA23074@kroah.com> <20160615052831.GA3452@1wt.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160615052831.GA3452@1wt.eu> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1465973515 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1429 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30449 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 15, 2016 at 07:28:31AM +0200, Willy Tarreau wrote: > On Tue, Jun 14, 2016 at 06:30:56PM -0700, Greg KH wrote: > > As the patch was tagged with 3.10+, I assumed that it was safe to be > > merged to those older kernels, otherwise I would never have done so. We > > do have ways to mark external things like this for stable patches, it's > > a great help when doing backports. > > I guess only 3.14.72 was affected in the end. 3.18.35 has the fix but my > understanding is that after 3.17 it's OK. Correct. > Apparently it's not yet queued > for 3.16. The queue for 3.16 has a different bunch of XFS stuff that I've previous said is pretty risky and not advisable to back port (the mmaplock stuff). I'm waiting for that to get to users and a new bunch of whacky problems to be reported... > Jiri has queued it for 3.12 but not yet released it. For 3.10 > I only pick patches that are already in a 3.14 release so I didn't have > the time to backport it to 3.10 yet as the preview started before the > release. Just lucky, eh? > Overall the regression lived only 8 days in a single branch, I > guess it shows that our process works rather well and limits the exposure > to regressions. That it got as far as release and it took so long to get to the upstream maintainers shows the process could do with being improved. Cheers, Dave. -- Dave Chinner david@fromorbit.com From jirislaby@gmail.com Wed Jun 15 02:00:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E6BC57CA0 for ; Wed, 15 Jun 2016 02:00:12 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6E14AAC003 for ; Wed, 15 Jun 2016 00:00:12 -0700 (PDT) X-ASG-Debug-ID: 1465974008-04bdf01e134f500001-NocioJ Received: from mail-wm0-f45.google.com (mail-wm0-f45.google.com [74.125.82.45]) by cuda.sgi.com with ESMTP id 0GPClhMDIkEb8hMa (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 15 Jun 2016 00:00:09 -0700 (PDT) X-Barracuda-Envelope-From: jirislaby@gmail.com X-Barracuda-Effective-Source-IP: mail-wm0-f45.google.com[74.125.82.45] X-Barracuda-Apparent-Source-IP: 74.125.82.45 Received: by mail-wm0-f45.google.com with SMTP id v199so149439857wmv.0 for ; Wed, 15 Jun 2016 00:00:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=c/hZyQGCUKda1hW0/v4zEq98JBk6xGqf5bnaxC63fwU=; b=KDpZ4wgb4kD0Hfdjf8854tAiNq8Mk0SCFQFx/u/OtraGJlSV1odcdZJrxP9L16LRUb qIS+2XdPShuP/li76OvKduEPH/gl9EwhsXpZ7+BfJkH8tPTu/R+ij62PhGPqOv680F6k hNQh+WUllrU3h2ZluUwf5wLdjenSWHh6dKMmZzOwcNXBL0rL2f8vY9swydy+wpnr9A5v 6mTFbkQn7t0qdla/ADXnxbd96xRSO81FH8U5vCSDT4aRFHmI8FvEvOJ3YMTDvsXeW/oF 2cr2z9LCtigKYpzXlnsyo9S2uwb8O6nxsvDc7ZDukNWhPO2+Si9Geex2ab/woZ2hl2ZN VweQ== X-Gm-Message-State: ALyK8tLOZgYYbL4tpD9xirDKUZ+uVWYl9P1I9+hUq33U8OXARaNHw5uSPWhKgxEVegXoxQ== X-Received: by 10.194.192.193 with SMTP id hi1mr9515137wjc.4.1465974008283; Wed, 15 Jun 2016 00:00:08 -0700 (PDT) Received: from ?IPv6:2a01:4240:2e27:ad85:aaaa::19f? (f.9.1.0.0.0.0.0.0.0.0.0.a.a.a.a.5.8.d.a.7.2.e.2.0.4.2.4.1.0.a.2.v6.cust.nbox.cz. [2a01:4240:2e27:ad85:aaaa::19f]) by smtp.gmail.com with ESMTPSA id w81sm2500777wmg.20.2016.06.15.00.00.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 15 Jun 2016 00:00:07 -0700 (PDT) Subject: Re: Something badly broken with the latest XFS changeset in all stable kernels? To: Willy Tarreau , Greg KH X-ASG-Orig-Subj: Re: Something badly broken with the latest XFS changeset in all stable kernels? References: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> <20160615000241.GC26977@dastard> <20160615013056.GA23074@kroah.com> <20160615052831.GA3452@1wt.eu> Cc: Dave Chinner , "Thomas D." , xfs@oss.sgi.com, stable@vger.kernel.org, spender@grsecurity.net From: Jiri Slaby Message-ID: Date: Wed, 15 Jun 2016 09:00:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160615052831.GA3452@1wt.eu> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-wm0-f45.google.com[74.125.82.45] X-Barracuda-Start-Time: 1465974009 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 147 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30449 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 06/15/2016, 07:28 AM, Willy Tarreau wrote: > Jiri has queued it for 3.12 but not yet released it. Fixed now, thanks! -- js suse labs From w@1wt.eu Wed Jun 15 02:14:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D5EA87CA0 for ; Wed, 15 Jun 2016 02:14:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A6DD5304032 for ; Wed, 15 Jun 2016 00:14:47 -0700 (PDT) X-ASG-Debug-ID: 1465974884-04cb6c542510cc0001-NocioJ Received: from 1wt.eu (wtarreau.pck.nerim.net [62.212.114.60]) by cuda.sgi.com with ESMTP id aes6DpLmkVTSlz4k for ; Wed, 15 Jun 2016 00:14:44 -0700 (PDT) X-Barracuda-Envelope-From: w@1wt.eu X-Barracuda-Effective-Source-IP: wtarreau.pck.nerim.net[62.212.114.60] X-Barracuda-Apparent-Source-IP: 62.212.114.60 Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id u5F7Eca0005328; Wed, 15 Jun 2016 09:14:38 +0200 Date: Wed, 15 Jun 2016 09:14:38 +0200 From: Willy Tarreau To: Dave Chinner Cc: Greg KH , "Thomas D." , xfs@oss.sgi.com, stable@vger.kernel.org, spender@grsecurity.net Subject: Re: Something badly broken with the latest XFS changeset in all stable kernels? Message-ID: <20160615071438.GA5294@1wt.eu> X-ASG-Orig-Subj: Re: Something badly broken with the latest XFS changeset in all stable kernels? References: <75808782-835f-4bc9-5243-b25cab00d6f3@whissi.de> <20160615000241.GC26977@dastard> <20160615013056.GA23074@kroah.com> <20160615052831.GA3452@1wt.eu> <20160615065121.GE26977@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160615065121.GE26977@dastard> User-Agent: Mutt/1.6.0 (2016-04-01) X-Barracuda-Connect: wtarreau.pck.nerim.net[62.212.114.60] X-Barracuda-Start-Time: 1465974884 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1577 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30449 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 15, 2016 at 04:51:21PM +1000, Dave Chinner wrote: > > Overall the regression lived only 8 days in a single branch, I > > guess it shows that our process works rather well and limits the exposure > > to regressions. > > That it got as far as release and it took so long to get to the > upstream maintainers shows the process could do with being improved. Yep but users relying on oldest LTS usually run on servers that cannot reboot without prior planning, so in practice we know that users tend to be late by 1 week or more and often one or two versions. I'm pretty sure this is the reason why a single user reported the issue. I'm not saying this to dismiss the importance of a regression, just the fact that the zero-risk never exists and that if an issue can only be discovered in field (since the commit was backported according to the tags and that the need to adapt it was not detected during the review process), it will need one first victim to save all other users. In the end the quick enough report ensured that most 3.14 users will not have the time to upgrade to the broken version and 3.10/3.12 users will not even have the opportunity to see the issue at all. That's what I'm saying is not that bad. We could imagine some automated tests depending on the affected files and/or subsystems but it's not even certain that an automated test would have detected this one :-/ We need to thank the initial reporter here, and to encourage Brad to pass the information back ASAP next time this happens via his channel. Willy From david@fromorbit.com Wed Jun 15 02:22:17 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 61ABA7CA0 for ; Wed, 15 Jun 2016 02:22:17 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D44EA8F8035 for ; Wed, 15 Jun 2016 00:22:13 -0700 (PDT) X-ASG-Debug-ID: 1465975330-04bdf01e104fea0001-NocioJ Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id RqIv1eCqjnFYcQGY for ; Wed, 15 Jun 2016 00:22:10 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Apparent-Source-IP: 150.101.137.129 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AicNALoBYVd5LAyYKGdsb2JhbABdgz6BU4Zvn3IBBQaMOIoOhhEEAgKBN00BAQEBAQEHAQEBAQEBPwFAhEsBAQEDATocIwULCAMOCgklDwUlAwcaE4goB74NAQEBAQEFAQEBASMehUGFFYdsgi8FmGmOH4Fzh3+FOo90hFUqMooIAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl2.internode.on.net with ESMTP; 15 Jun 2016 16:51:54 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bD598-0000mu-3m; Wed, 15 Jun 2016 17:21:54 +1000 Date: Wed, 15 Jun 2016 17:21:54 +1000 From: Dave Chinner To: Michal Hocko Cc: Peter Zijlstra , "Darrick J. Wong" , Qu Wenruo , xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: Xfs lockdep warning with for-dave-for-4.6 branch Message-ID: <20160615072154.GF26977@dastard> X-ASG-Orig-Subj: Re: Xfs lockdep warning with for-dave-for-4.6 branch References: <20160517223549.GV26977@dastard> <20160519081146.GS3193@twins.programming.kicks-ass.net> <20160520001714.GC26977@dastard> <20160601131758.GO26601@dhcp22.suse.cz> <20160601181617.GV3190@twins.programming.kicks-ass.net> <20160602145048.GS1995@dhcp22.suse.cz> <20160602151116.GD3190@twins.programming.kicks-ass.net> <20160602154619.GU1995@dhcp22.suse.cz> <20160602232254.GR12670@dastard> <20160606122022.GH11895@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160606122022.GH11895@dhcp22.suse.cz> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl2.internode.on.net[150.101.137.129] X-Barracuda-Start-Time: 1465975330 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4653 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30449 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header [sorry for the slow repsonse - been on holidays] On Mon, Jun 06, 2016 at 02:20:22PM +0200, Michal Hocko wrote: > On Fri 03-06-16 09:22:54, Dave Chinner wrote: > > On Thu, Jun 02, 2016 at 05:46:19PM +0200, Michal Hocko wrote: > > > On Thu 02-06-16 17:11:16, Peter Zijlstra wrote: > > > > With scope I mostly meant the fact that you have two calls that you need > > > > to pair up. That's not really nice as you can 'annotate' a _lot_ of code > > > > in between. I prefer the narrower annotations where you annotate a > > > > single specific site. > > > > > > Yes, I can see you point. What I meant to say is that we would most > > > probably end up with the following pattern > > > lockdep_trace_alloc_enable() > > > some_foo_with_alloc(gfp_mask); > > > lockdep_trace_alloc_disable() > > > > > > and some_foo_with_alloc might be a lot of code. > > > > That's the problem I see with this - the only way to make it > > maintainable is to precede each enable/disable() pair with a comment > > explaining *exactly* what those calls are protecting. And that, in > > itself, becomes a maintenance problem, because then code several > > layers deep has no idea what context it is being called from and we > > are likely to disable warnings in contexts where we probably > > shouldn't be. > > I am not sure I understand what you mean here. I thought the problem is > that: > > func_A (!trans. context) func_B (trans. context) > foo1() foo2() > bar(inode, GFP_KERNEL) bar(inode, GFP_NOFS) > > so bar(inode, gfp) can be called from two different contexts which > would confuse the lockdep. Yes, that's the core of the problem. What I think you are missing is the scale of the problem. > And the workaround would be annotating bar > depending on the context it is called from - either pass a special gfp > flag or do disable/enable thing. In both cases that anotation should be > global for the whole func_A, no? Or is it possible that something in > that path would really need a reclaim lockdep detection? The problem is that there are cases where the call stack that leads to bar() has many different entry points. See, for example, the xfs_bmapi*() interfaces. They all end up in the same low level btree traversal code (and hence memory allocation points). xfs_bmapi_read() can be called from both inside and outside transaction context and there's ~30 callers we'd have to audit and annotate. Then there's ~10 callers of xfs_bmapi_write which are all within transaction context. And then there's xfs_bmapi_delay(), which can end up in the same low level code outside transaction context. Then there's 10 callers of xfs_bunmapi(), which runs both inside and outside transaction context, too. Add to that all the miscellenous points that can read extents off disk, and you get another ~12 entry points. Hopefully you can see the complexity of the issue - for an allocation in the bmap btree code that could occur outside both inside and outside of a transaction context, we've got to work out which of those ~60 high level entry points would need to be annotated. And then we have to ensure that in future we don't miss adding or removing an annotation as we change the code deep inside the btree implementation. It's the latter that is the long term maintainence problem the hihg-level annotation approach introduces. > > I think such an annotation approach really requires per-alloc site > > annotation, the reason for it should be more obvious from the > > context. e.g. any function that does memory alloc and takes an > > optional transaction context needs annotation. Hence, from an XFS > > perspective, I think it makes more sense to add a new KM_ flag to > > indicate this call site requirement, then jump through whatever > > lockdep hoop is required within the kmem_* allocation wrappers. > > e.g, we can ignore the new KM_* flag if we are in a transaction > > context and so the flag is only activated in the situations were > > we currently enforce an external GFP_NOFS context from the call > > site..... > > Hmm, I thought we would achive this by using the scope GFP_NOFS usage > which would mark those transaction related conctexts and no lockdep > specific workarounds would be needed... There are allocations outside transaction context which need to be GFP_NOFS - this is what KM_NOFS was originally intended for. We need to disambiguate the two cases where we use KM_NOFS to shut up lockdep vs the cases where it is necessary to prevent reclaim deadlocks. Cheers, Dave. -- Dave Chinner david@fromorbit.com From bfoster@redhat.com Wed Jun 15 08:26:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A42E67CA3 for ; Wed, 15 Jun 2016 08:26:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 772618F8040 for ; Wed, 15 Jun 2016 06:26:47 -0700 (PDT) X-ASG-Debug-ID: 1465997205-04cb6c542519fe0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id MIsAHLRAddTm2VXO (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 15 Jun 2016 06:26:46 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4AFD4B5396 for ; Wed, 15 Jun 2016 13:26:45 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-81.bos.redhat.com [10.18.41.81]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5FDQiOB009553 for ; Wed, 15 Jun 2016 09:26:45 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id C1F8412673F; Wed, 15 Jun 2016 09:26:43 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v2] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly Date: Wed, 15 Jun 2016 09:26:43 -0400 X-ASG-Orig-Subj: [PATCH v2] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correctly Message-Id: <1465997203-55379-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 15 Jun 2016 13:26:45 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1465997206 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7034 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 xfs_reserve_blocks() is responsible to update the XFS reserved block pool count at mount time or based on user request. When the caller requests to increase the reserve pool, blocks must be allocated from the global counters such that they are no longer available for general purpose use. If the requested reserve pool size is too large, XFS reserves what blocks are available. The implementation requires looking at the percpu counters and making an educated guess as to how many blocks to try and allocate from xfs_mod_fdblocks(), which can return -ENOSPC if the guess was not accurate due to counters being modified in parallel. xfs_reserve_blocks() retries the guess in this scenario until the allocation succeeds or it is determined that there is no space available in the fs. While not easily reproducible in the current form, the retry code doesn't actually work correctly if xfs_mod_fdblocks() actually fails. The problem is that the percpu calculations use the m_resblks counter to determine how many blocks to allocate, but unconditionally update m_resblks before the block allocation has actually succeeded. Therefore, if xfs_mod_fdblocks() fails, the code jumps to the retry label and uses the already updated m_resblks value to determine how many blocks to try and allocate. If the percpu counters previously suggested that the entire request was available, fdblocks_delta could end up set to 0. In that case, m_resblks is updated to the requested value, yet no blocks have been reserved at all. Refactor xfs_reserve_blocks() to use an explicit loop and make the code easier to follow. Since we have to drop the spinlock across the xfs_mod_fdblocks() call, use a delta value for m_resblks as well and only apply the delta once allocation succeeds. Signed-off-by: Brian Foster --- v2: - Convert while() loop to do {} while(). v1: http://oss.sgi.com/pipermail/xfs/2016-June/049391.html fs/xfs/xfs_fsops.c | 104 ++++++++++++++++++++++++++++++----------------------- 1 file changed, 59 insertions(+), 45 deletions(-) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index b4d7582..d5c1044 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -667,8 +667,11 @@ xfs_reserve_blocks( __uint64_t *inval, xfs_fsop_resblks_t *outval) { - __int64_t lcounter, delta, fdblks_delta; + __int64_t lcounter, delta; + __int64_t fdblks_delta = 0; __uint64_t request; + __int64_t free; + int error = 0; /* If inval is null, report current values and return */ if (inval == (__uint64_t *)NULL) { @@ -682,24 +685,23 @@ xfs_reserve_blocks( request = *inval; /* - * With per-cpu counters, this becomes an interesting - * problem. we needto work out if we are freeing or allocation - * blocks first, then we can do the modification as necessary. + * With per-cpu counters, this becomes an interesting problem. we need + * to work out if we are freeing or allocation blocks first, then we can + * do the modification as necessary. * - * We do this under the m_sb_lock so that if we are near - * ENOSPC, we will hold out any changes while we work out - * what to do. This means that the amount of free space can - * change while we do this, so we need to retry if we end up - * trying to reserve more space than is available. + * We do this under the m_sb_lock so that if we are near ENOSPC, we will + * hold out any changes while we work out what to do. This means that + * the amount of free space can change while we do this, so we need to + * retry if we end up trying to reserve more space than is available. */ -retry: spin_lock(&mp->m_sb_lock); /* * If our previous reservation was larger than the current value, - * then move any unused blocks back to the free pool. + * then move any unused blocks back to the free pool. Modify the resblks + * counters directly since we shouldn't have any problems unreserving + * space. */ - fdblks_delta = 0; if (mp->m_resblks > request) { lcounter = mp->m_resblks_avail - request; if (lcounter > 0) { /* release unused blocks */ @@ -707,54 +709,66 @@ retry: mp->m_resblks_avail -= lcounter; } mp->m_resblks = request; - } else { - __int64_t free; + if (fdblks_delta) { + spin_unlock(&mp->m_sb_lock); + error = xfs_mod_fdblocks(mp, fdblks_delta, 0); + spin_lock(&mp->m_sb_lock); + } + + goto out; + } + /* + * If the request is larger than the current reservation, reserve the + * blocks before we update the reserve counters. Sample m_fdblocks and + * perform a partial reservation if the request exceeds free space. + */ + do { free = percpu_counter_sum(&mp->m_fdblocks) - XFS_ALLOC_SET_ASIDE(mp); if (!free) - goto out; /* ENOSPC and fdblks_delta = 0 */ + break; delta = request - mp->m_resblks; lcounter = free - delta; - if (lcounter < 0) { + if (lcounter < 0) /* We can't satisfy the request, just get what we can */ - mp->m_resblks += free; - mp->m_resblks_avail += free; - fdblks_delta = -free; - } else { - fdblks_delta = -delta; - mp->m_resblks = request; - mp->m_resblks_avail += delta; - } - } -out: - if (outval) { - outval->resblks = mp->m_resblks; - outval->resblks_avail = mp->m_resblks_avail; - } - spin_unlock(&mp->m_sb_lock); + fdblks_delta = free; + else + fdblks_delta = delta; - if (fdblks_delta) { /* - * If we are putting blocks back here, m_resblks_avail is - * already at its max so this will put it in the free pool. - * - * If we need space, we'll either succeed in getting it - * from the free block count or we'll get an enospc. If - * we get a ENOSPC, it means things changed while we were - * calculating fdblks_delta and so we should try again to - * see if there is anything left to reserve. + * We'll either succeed in getting space from the free block + * count or we'll get an ENOSPC. If we get a ENOSPC, it means + * things changed while we were calculating fdblks_delta and so + * we should try again to see if there is anything left to + * reserve. * * Don't set the reserved flag here - we don't want to reserve * the extra reserve blocks from the reserve..... */ - int error; - error = xfs_mod_fdblocks(mp, fdblks_delta, 0); - if (error == -ENOSPC) - goto retry; + spin_unlock(&mp->m_sb_lock); + error = xfs_mod_fdblocks(mp, -fdblks_delta, 0); + spin_lock(&mp->m_sb_lock); + } while (error == -ENOSPC); + + /* + * Update the reserve counters if blocks have been successfully + * allocated. + */ + if (!error && fdblks_delta) { + mp->m_resblks += fdblks_delta; + mp->m_resblks_avail += fdblks_delta; } - return 0; + +out: + if (outval) { + outval->resblks = mp->m_resblks; + outval->resblks_avail = mp->m_resblks_avail; + } + + spin_unlock(&mp->m_sb_lock); + return error; } int -- 2.5.5 From BATV+aeca86be1910f2be2f7c+4679+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 15 09:48:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8AC1B7CA2 for ; Wed, 15 Jun 2016 09:48:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 16AC0AC002 for ; Wed, 15 Jun 2016 07:48:05 -0700 (PDT) X-ASG-Debug-ID: 1466002083-04bdf01e1061c70001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id J8S95Gu914820GTo (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 15 Jun 2016 07:48:03 -0700 (PDT) X-Barracuda-Envelope-From: BATV+aeca86be1910f2be2f7c+4679+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDC6r-0001E9-Dj; Wed, 15 Jun 2016 14:48:01 +0000 Date: Wed, 15 Jun 2016 07:48:01 -0700 From: Christoph Hellwig To: Trond Myklebust Cc: Christoph Hellwig , "linux-nfs@vger.kernel.org" , xfs@oss.sgi.com Subject: Re: [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes Message-ID: <20160615144801.GB18524@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes References: <1465931115-30784-3-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-4-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-5-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-6-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-7-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-8-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-9-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-10-git-send-email-trond.myklebust@primarydata.com> <20160615071343.GC4318@infradead.org> <755A2A14-C6A9-4737-8335-0A6785490F6D@primarydata.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <755A2A14-C6A9-4737-8335-0A6785490F6D@primarydata.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466002083 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1579 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30456 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Jun 15, 2016 at 02:29:42PM +0000, Trond Myklebust wrote: > The locking is actually simpler than XFS. It looks way more complicated. And totally undocumented. > We have 2 I/O modes: buffered I/O and direct I/O. The write lock is there to ensure safe transitions between those 2 modes, but once the mode is set, > we _only_ use shared locks in order to allow parallelism. >From reading the patch that's not what actually happens - I think you're still taking i_rwsem exclusive for buffered writes, aren't you? Doing that is absolutely mandatory for Posix atomicy requirements, or you'll break tons of of applications. But XFS allows full parallelism for direct reads and writes as long as there is no more pagecache to flush. But if you have pages in the pagecache you need the exclusive lock to prevent against new pagecache pages being added. > >The nice thing is than in 4.7-rc i_mutex has been replaced with a > >rw_mutex so you can just use that in shared mode for direct I/O > >as-is without needing any new lock. > > We would end up serialising reads and writes, since the latter grab an > exclusive lock in generic_file_write(). Why do that if we don???t have to? Looks at the XFS code - no serialization between direct reads and writes as long as no buffered I/O came in inbetween. And don't use generic_file_{read,write}_iter if you want to do direct I/O, unfortunately locking in mm/filemap.c is totally screwed for direct I/O, take a look at XFS which is where direct I/O came from and where we get the locking right. 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charset=UTF-8 On 6/15/16, 10:48, "Christoph Hellwig" <hch@infrad= ead.org> wrote:

>On Wed, Jun 15, 2016 at 02:29:42PM +0000, Trond Myklebust wrote:
>> The locking is actually simpler than XFS.
>
>It looks way more complicated. And totally undocumented.
>
>> We have 2 I/O modes: buffered I/O and direct I/O. The write lock i= s there to ensure safe transitions between those 2 modes, but once the mode= is set,
>> we _only_ use shared locks in order to allow parallelism.
>
>From reading the patch that's not what actually happens - I think you'r= e
>still taking i_rwsem exclusive for buffered writes, aren't you?
>
>Doing that is absolutely mandatory for Posix atomicy requirements, or >you'll break tons of of applications.

Yes. We continue to let the VFS manage serialisation of writes.

>But XFS allows full parallelism for direct reads and writes as long
>as there is no more pagecache to flush. But if you have pages in
>the pagecache you need the exclusive lock to prevent against new
>pagecache pages being added.

Exactly. So does this.

>> >The nice thing is than in 4.7-rc i_mutex has been replaced wit= h a
>> >rw_mutex so you can just use that in shared mode for direct I/= O
>> >as-is without needing any new lock.
>>
>> We would end up serialising reads and writes, since the latter gra= b an
>> exclusive lock in generic_file_write(). Why do that if we don???t = have to?
>
>Looks at the XFS code - no serialization between direct reads and write= s
>as long as no buffered I/O came in inbetween.
>
>And don't use generic_file_{read,write}_iter if you want to do direct I= /O,
>unfortunately locking in mm/filemap.c is totally screwed for direct I/O= ,
>take a look at XFS which is where direct I/O came from and where we get=
>the locking right.

We don=E2=80=99t use generic_file_* for O_DIRECT; we only use it for buffer= ed I/O.

Disclaimer
The information contained in this communication from the send= er is confidential. It is intended solely for use by the recipient and othe= rs authorized to receive it. If you are not the recipient, you are hereby n= otified that any disclosure, copying, distribution or taking action in rela= tion of the contents of this information is strictly prohibited and may be = unlawful.
--MCBoundary=_11606151052282941-- From BATV+aeca86be1910f2be2f7c+4679+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 15 09:56:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 07BE47CA2 for ; Wed, 15 Jun 2016 09:56:43 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 75101AC002 for ; Wed, 15 Jun 2016 07:56:42 -0700 (PDT) X-ASG-Debug-ID: 1466002600-04cb6c54271c0e0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id pkhbDMQGGqJ5mIeI (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 15 Jun 2016 07:56:40 -0700 (PDT) X-Barracuda-Envelope-From: BATV+aeca86be1910f2be2f7c+4679+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDCFC-0007iZ-5z; Wed, 15 Jun 2016 14:56:38 +0000 Date: Wed, 15 Jun 2016 07:56:38 -0700 From: Christoph Hellwig To: Trond Myklebust Cc: Christoph Hellwig , "linux-nfs@vger.kernel.org" , "xfs@oss.sgi.com" Subject: Re: [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes Message-ID: <20160615145638.GC5297@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes References: <1465931115-30784-5-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-6-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-7-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-8-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-9-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-10-git-send-email-trond.myklebust@primarydata.com> <20160615071343.GC4318@infradead.org> <755A2A14-C6A9-4737-8335-0A6785490F6D@primarydata.com> <20160615144801.GB18524@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466002600 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 629 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30457 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Jun 15, 2016 at 02:52:24PM +0000, Trond Myklebust wrote: > >But XFS allows full parallelism for direct reads and writes as long > >as there is no more pagecache to flush. But if you have pages in > >the pagecache you need the exclusive lock to prevent against new > >pagecache pages being added. > > Exactly. So does this. So let's avoid bloating the inode with another rw_semaphore, and make everyones life easier by using the existing lock. > We don???t use generic_file_* for O_DIRECT; we only use it for buffered I/O. I know - this was just an answer to your reference to the generic_file_* code. From trondmy@primarydata.com Wed Jun 15 10:09:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C77957CA4 for ; Wed, 15 Jun 2016 10:09:35 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5BE14AC005 for ; Wed, 15 Jun 2016 08:09:35 -0700 (PDT) X-ASG-Debug-ID: 1466003368-04bdf01e1562700001-NocioJ Received: from us-smtp-delivery-194.mimecast.com (us-smtp-delivery-194.mimecast.com [216.205.24.194]) by cuda.sgi.com with ESMTP id Ky4aWV5f6Cov9fKw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 15 Jun 2016 08:09:30 -0700 (PDT) X-Barracuda-Envelope-From: trondmy@primarydata.com X-Barracuda-Effective-Source-IP: us-smtp-delivery-194.mimecast.com[216.205.24.194] X-Barracuda-Apparent-Source-IP: 216.205.24.194 Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1blp0181.outbound.protection.outlook.com [207.46.163.181]) (Using TLS) by us-smtp-1.mimecast.com with ESMTP id us-mta-23-XgC81i4JSBKyk8155NqDkA-1; 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On 6/15/16, 10:56, "Christoph Hellwig" <hch@infradead.org> = wrote:

>On Wed, Jun 15, 2016 at 02:52:24PM +0000, Trond Myklebust wrote:
>> >But XFS allows full parallelism for direct reads and writes as= long
>> >as there is no more pagecache to flush. But if you have pages= in
>> >the pagecache you need the exclusive lock to prevent against n= ew
>> >pagecache pages being added.
>>
>> Exactly. So does this.
>
>So let's avoid bloating the inode with another rw_semaphore, and make >everyones life easier by using the existing lock.

As I said earlier, the problem with that is you end up artificially seriali= sing buffered reads and buffered writes.

=E2=80=A2 The reads only need a shared lock in order to protect the I/O mod= e from flipping to O_DIRECT (and relying on page locks to protect against b= uffered writes).
=E2=80=A2 The writes need protection against O_DIRECT, they don=E2=80=99t n= eed serialisation with other reads, but they do need to be serialised again= st other buffered writes.

Disclaimer
The information contained in this communication from the send= er is confidential. It is intended solely for use by the recipient and othe= rs authorized to receive it. If you are not the recipient, you are hereby n= otified that any disclosure, copying, distribution or taking action in rela= tion of the contents of this information is strictly prohibited and may be = unlawful.
--MCBoundary=_11606151109270731-- From BATV+aeca86be1910f2be2f7c+4679+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 15 10:14:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 097737CA6 for ; Wed, 15 Jun 2016 10:14:29 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id D023F30404E for ; Wed, 15 Jun 2016 08:14:25 -0700 (PDT) X-ASG-Debug-ID: 1466003663-04cbb01fec23fc0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id yS5Y8cqSRosJBcxs (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 15 Jun 2016 08:14:24 -0700 (PDT) X-Barracuda-Envelope-From: BATV+aeca86be1910f2be2f7c+4679+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDCWM-0000IO-4i; Wed, 15 Jun 2016 15:14:22 +0000 Date: Wed, 15 Jun 2016 08:14:22 -0700 From: Christoph Hellwig To: Trond Myklebust Cc: Christoph Hellwig , "linux-nfs@vger.kernel.org" , "xfs@oss.sgi.com" Subject: Re: [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes Message-ID: <20160615151422.GA28557@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes References: <1465931115-30784-7-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-8-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-9-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-10-git-send-email-trond.myklebust@primarydata.com> <20160615071343.GC4318@infradead.org> <755A2A14-C6A9-4737-8335-0A6785490F6D@primarydata.com> <20160615144801.GB18524@infradead.org> <20160615145638.GC5297@infradead.org> <02DCF6B5-AFDF-4E33-A8F2-DBFE67A87E91@primarydata.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <02DCF6B5-AFDF-4E33-A8F2-DBFE67A87E91@primarydata.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466003664 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 752 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30457 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Jun 15, 2016 at 03:09:23PM +0000, Trond Myklebust wrote: > As I said earlier, the problem with that is you end up artificially serialising buffered reads and buffered writes. If you actually want to be Posix compiant you need to serialize buffered reads against buffererd writes - it's just that most Linux file systems happen to get this wrong. > ??? The reads only need a shared lock in order to protect the I/O mode from flipping to O_DIRECT (and relying on page locks to protect against buffered writes). Which strictly speaking is not enough, although as said above most Linux filesystems get this wrong. If you indeed want to keep that (incorrect) behavior you need another lock. It's defintively not "simpler", though. 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On 6/15/16, 11:14, "Christoph Hellwig" <hch@infradead.org> = wrote:

>On Wed, Jun 15, 2016 at 03:09:23PM +0000, Trond Myklebust wrote:
>> As I said earlier, the problem with that is you end up artificiall= y serialising buffered reads and buffered writes.
>
>If you actually want to be Posix compiant you need to serialize buffere= d
>reads against buffererd writes - it's just that most Linux file systems=
>happen to get this wrong.
>
>> ??? The reads only need a shared lock in order to protect the I/O = mode from flipping to O_DIRECT (and relying on page locks to protect agains= t buffered writes).
>
>Which strictly speaking is not enough, although as said above most
>Linux filesystems get this wrong. If you indeed want to keep that
>(incorrect) behavior you need another lock. It's defintively not
>"simpler", though.
>

Serialisation is not mandatory in POSIX:

http://pubs.opengroup.org/onlinepubs/9699919799/fun= ctions/write.html

=E2=80=9CWrites can be serialized with respect to other reads and writes. I= f a read() of file data can be proven (by any means) to occur after a write= () of the data, it must reflect that write(), even if the calls are made by= different processes. A similar requirement applies to multiple write opera= tions to the same file position. This is needed to guarantee the propagatio= n of data from write() calls to subsequent read() calls. This requirement i= s particularly significant for networked file systems, where some caching s= chemes violate these semantics.=E2=80=9D

Disclaimer
The information contained in this communication from the send= er is confidential. It is intended solely for use by the recipient and othe= rs authorized to receive it. If you are not the recipient, you are hereby n= otified that any disclosure, copying, distribution or taking action in rela= tion of the contents of this information is strictly prohibited and may be = unlawful.
--MCBoundary=_11606151145415551-- From waiman.long@hpe.com Wed Jun 15 13:55:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8E99B7CA2 for ; Wed, 15 Jun 2016 13:55:44 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id EEAD6AC002 for ; Wed, 15 Jun 2016 11:55:43 -0700 (PDT) X-ASG-Debug-ID: 1466016936-04cbb01fec2ad90001-NocioJ Received: from na01-bl2-obe.outbound.protection.outlook.com (mail-bl2on0146.outbound.protection.outlook.com [65.55.169.146]) by cuda.sgi.com with ESMTP id Fo4YBGNJm2jr3wgE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NO) for ; Wed, 15 Jun 2016 11:55:37 -0700 (PDT) X-Barracuda-Envelope-From: waiman.long@hpe.com X-Barracuda-Effective-Source-IP: mail-bl2on0146.outbound.protection.outlook.com[65.55.169.146] X-Barracuda-Apparent-Source-IP: 65.55.169.146 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=waiman.long@hpe.com; Received: from [192.168.142.154] (71.168.64.62) by CS1PR84MB0312.NAMPRD84.PROD.OUTLOOK.COM (10.162.190.30) with Microsoft SMTP Server (TLS) id 15.1.511.8; Wed, 15 Jun 2016 18:55:21 +0000 Message-ID: <5761A48F.1040304@hpe.com> Date: Wed, 15 Jun 2016 14:55:11 -0400 From: Waiman Long User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130109 Thunderbird/10.0.12 MIME-Version: 1.0 To: Dave Chinner CC: Peter Zijlstra , Ingo Molnar , , , , , , , , Davidlohr Bueso , Jason Low , Scott J Norton , Douglas Hatch Subject: Re: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes References: <1465927959-39719-1-git-send-email-Waiman.Long@hpe.com> <1465927959-39719-7-git-send-email-Waiman.Long@hpe.com> <20160614230613.GB26977@dastard> X-ASG-Orig-Subj: Re: [RFC PATCH-tip 6/6] xfs: Enable reader optimistic spinning for DAX inodes In-Reply-To: <20160614230613.GB26977@dastard> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [71.168.64.62] X-ClientProxiedBy: CY1PR13CA0017.namprd13.prod.outlook.com (10.162.30.155) To CS1PR84MB0312.NAMPRD84.PROD.OUTLOOK.COM (10.162.190.30) X-MS-Office365-Filtering-Correlation-Id: 4170719c-4d97-4954-1dd1-08d3954e9e1d X-Microsoft-Exchange-Diagnostics: 1;CS1PR84MB0312;2:7dhYYKCIvnXQJtANH/VfmrmevCPrIqjzVG2l4wXtNOunkOhiSfJe7upikgvP88OqI0A/AUie/aTmZq2tZgrH2AMcmMoka6Az8WfeA6TC+XJWp6YCF73qZf+1lj1uAwl2oEfbOxO5I88OT8OiWMRIS1Qm9UtmQi3fDcEVCtJGJetlOL7SLQjNBwuXT0ShhWhc;3:n7j3liX9p9FxNKKCzFRPd8gtTf0bFo0IBp2LcqnGVZaY4dN9hbrmjbC+FC6c4A4JAVPM6kWG2nVSSbTgeW35UmytjCQSuKA1aHttyPCJqHqY55d3kLss9LHeSLVYIvYd X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:CS1PR84MB0312; 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>> >> + /* >> + * Enable reader spinning for DAX nount point >> + */ >> + if (mp->m_flags& XFS_MOUNT_DAX) { >> + rwsem_set_rspin_threshold(&ip->i_iolock.mr_lock); >> + rwsem_set_rspin_threshold(&ip->i_mmaplock.mr_lock); >> + rwsem_set_rspin_threshold(&ip->i_lock.mr_lock); >> + } > That's wrong. DAX is a per-inode flag, not a mount wide flag. This > needs to be done once the inode has been fully initialised and > IS_DAX(inode) can be run. > > Also, the benchmark doesn't show that all these locks are being > tested by this benchmark. e.g. the i_mmaplock isn't involved in > the benchmark's IO paths at all. It's only taken in page faults and > truncate paths.... > > I'd also like to see how much of the gain comes from the iolock vs > the ilock, as the ilock is nested inside the iolock and so > contention is much rarer.... This patch has now been superseded by a second one where changes to the xfs code is no longer needed. The new patch will enable reader spinning for all rwsem and dynamically disable it depending on past history. > As it is, I'm *extremely* paranoid when it comes to changes to core > locking like this. Performance is secondary to correctness, and we > need much more than just a few benchmarks to verify there aren't > locking bugs being introduced.... The core rwsem locking logic hasn't been changed. There are some minor changes, however, on what RWSEM_WAITING_BIAS value to use that requires more eyeballs to make sure that it hasn't introduced any new bug. Cheers, Longman From BATV+d68c80116f0bf241093e+4680+infradead.org+hch@bombadil.srs.infradead.org Thu Jun 16 04:12:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id F32C87CA2 for ; Thu, 16 Jun 2016 04:12:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id C65BD8F804B for ; Thu, 16 Jun 2016 02:12:47 -0700 (PDT) X-ASG-Debug-ID: 1466068364-04cb6c5424392e0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id Tg1wNV6NITmBzMue (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Thu, 16 Jun 2016 02:12:44 -0700 (PDT) X-Barracuda-Envelope-From: BATV+d68c80116f0bf241093e+4680+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDTLu-0002sl-11; Thu, 16 Jun 2016 09:12:42 +0000 Date: Thu, 16 Jun 2016 02:12:41 -0700 From: Christoph Hellwig To: Trond Myklebust Cc: Christoph Hellwig , "linux-nfs@vger.kernel.org" , "xfs@oss.sgi.com" Subject: Re: [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes Message-ID: <20160616091241.GA15953@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 10/12] NFS: Do not serialise O_DIRECT reads and writes References: <1465931115-30784-9-git-send-email-trond.myklebust@primarydata.com> <1465931115-30784-10-git-send-email-trond.myklebust@primarydata.com> <20160615071343.GC4318@infradead.org> <755A2A14-C6A9-4737-8335-0A6785490F6D@primarydata.com> <20160615144801.GB18524@infradead.org> <20160615145638.GC5297@infradead.org> <02DCF6B5-AFDF-4E33-A8F2-DBFE67A87E91@primarydata.com> <20160615151422.GA28557@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466068364 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2636 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30484 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Jun 15, 2016 at 03:45:37PM +0000, Trond Myklebust wrote: > Serialisation is not mandatory in POSIX: > > http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html > > ???Writes can be serialized with respect to other reads and writes. If a read() of file data can be proven (by any means) to occur after a write() of the data, it must reflect that write(), even if the calls are made by different processes. A similar requirement applies to multiple write operations to the same file position. This is needed to guarantee the propagation of data from write() calls to subsequent read() calls. This requirement is particularly significant for networked file systems, where some caching schemes violate these semantics.??? That is the basic defintion, but once O_DSYNC and friends come into play it gets more complicated: >From http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html: [SIO] [Option Start] If the O_DSYNC and O_RSYNC bits have been set, read I/O operations on the file descriptor shall complete as defined by synchronized I/O data integrity completion. If the O_SYNC and O_RSYNC bits have been set, read I/O operations on the file descriptor shall complete as defined by synchronized I/O file integrity completion. [Option End] Which directs to: http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html: 3.378 Synchronized I/O Data Integrity Completion For read, when the operation has been completed or diagnosed if unsuccessful. The read is complete only when an image of the data has been successfully transferred to the requesting process. If there were any pending write requests affecting the data to be read at the time that the synchronized read operation was requested, these write requests are successfully transferred prior to reading the data. For write, when the operation has been completed or diagnosed if unsuccessful. The write is complete only when the data specified in the write request is successfully transferred and all file system information required to retrieve the data is successfully transferred. File attributes that are not necessary for data retrieval (access time, modification time, status change time) need not be successfully transferred prior to returning to the calling process. While we'll never see O_RSYNC in the kernel glibc treats it as just O_SYNC. Either way - I'd be much happier if we could come up with less different ways to do read/write exclusion rather than more.. From zbvesa@gmail.com Thu Jun 16 05:14:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE, T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3EA727CA2 for ; Thu, 16 Jun 2016 05:14:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 106F9304032 for ; Thu, 16 Jun 2016 03:13:58 -0700 (PDT) X-ASG-Debug-ID: 1466072036-04cbb01fec484a0001-NocioJ Received: from mail-vk0-f67.google.com (mail-vk0-f67.google.com [209.85.213.67]) by cuda.sgi.com with ESMTP id kfjZc4TRBWAickTd (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Thu, 16 Jun 2016 03:13:56 -0700 (PDT) X-Barracuda-Envelope-From: zbvesa@gmail.com X-Barracuda-Effective-Source-IP: mail-vk0-f67.google.com[209.85.213.67] X-Barracuda-Apparent-Source-IP: 209.85.213.67 Received: by mail-vk0-f67.google.com with SMTP id k2so7437313vkb.0 for ; Thu, 16 Jun 2016 03:13:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=HhV2+wgjYKWMUNP12Gqmw73RhmH8a5xVqOHs7szTakI=; b=K4LZvHjTVFs1s4D9TMWKXDU+wEYdrIN/0ckUf5V11kqEPHTRYFrBWU0UwcLZtF/cAU BAfG8G+YViAPAJJyYMLh5NGA2qnqvmh0ugrtJ64n9OFjN97N2jI/BXo82ZmBxsPPJLUh /7/n1F+7aI3o3Cb6qgiIQ1vB2kbmAvH6lqUxzMO9HNKxl98NJUR+iuj/xm9zRVHKX1w/ aCoGmNOky6Ujc2vqlooJiSLiY0mQ/+b8mYEXnfcqW1bNC3D+ks2zDWqt8QCc2dKlIGgE pEO6wOkPqU+jnFmN9UUVeiXxb1OEtomnKCEBoQjDGKnOvf5wvM+5UPXCL80YeXiU2p+f 0K+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=HhV2+wgjYKWMUNP12Gqmw73RhmH8a5xVqOHs7szTakI=; b=hUsQhpwW6cBnNCEM1tUbdtSbtdX+lKJv4JqIMpOh8slHeVVkQgdjFVbUD3A9hQJC0x 3HMSN649TZT93PX/zRxod4fG8Huzuwsjd+TBasl3ahTbLiLBh9RySFP+yEAy1zMzHjfL ql69WGSiQmYaNuQ5GCuex+jfcpVN5+yNPjs5RroaRhYhKaRHxiNIsxh6iRsWXfYqAcQc D9ysWNk2pRAYi1NrI3HMlrFimyqeBJixPU+RkI8TOovi41hnHBnP0vVpmIqDTr5cXpp6 ZlSnrXK3QJtoxuAlsokweASb6BUgLAHYSDedLe9n3rvHRvwvY8UDyzE1mHNimCOquY+h rXtQ== X-Gm-Message-State: ALyK8tJ9RVsiMldYf0WUUr3wK93IlT4o8wFnKMTg4mLt5tO9mdmI4yj6Kl+83CcpzMF+za9YoPMU3mDgHMPKYg== X-Received: by 10.159.35.72 with SMTP id 66mr1717332uae.55.1466072035749; Thu, 16 Jun 2016 03:13:55 -0700 (PDT) MIME-Version: 1.0 Received: by 10.31.16.36 with HTTP; Thu, 16 Jun 2016 03:13:55 -0700 (PDT) From: Shi Summer Date: Thu, 16 Jun 2016 18:13:55 +0800 Message-ID: Subject: Premium Grade A 11 Oz. 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--001a11353092e7f6200535627ebe-- From jack@suse.cz Thu Jun 16 11:12:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D9DD17CA2 for ; Thu, 16 Jun 2016 11:12:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9B8E9304032 for ; Thu, 16 Jun 2016 09:12:48 -0700 (PDT) X-ASG-Debug-ID: 1466093564-04bdf01e1587f10001-NocioJ Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id TnPQilSQ6Twb7D0a (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 16 Jun 2016 09:12:45 -0700 (PDT) X-Barracuda-Envelope-From: jack@suse.cz X-Barracuda-Effective-Source-IP: mx2.suse.de[195.135.220.15] X-Barracuda-Apparent-Source-IP: 195.135.220.15 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 851E8AC1B; Thu, 16 Jun 2016 16:12:43 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 019481E0DE6; Thu, 16 Jun 2016 18:12:42 +0200 (CEST) Date: Thu, 16 Jun 2016 18:12:42 +0200 From: Jan Kara To: Christoph Hellwig Cc: xfs@oss.sgi.com, rpeterso@redhat.com, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 02/14] fs: introduce iomap infrastructure Message-ID: <20160616161242.GB2106@quack2.suse.cz> X-ASG-Orig-Subj: Re: [PATCH 02/14] fs: introduce iomap infrastructure References: <1464792297-13185-1-git-send-email-hch@lst.de> <1464792297-13185-3-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1464792297-13185-3-git-send-email-hch@lst.de> User-Agent: Mutt/1.5.24 (2015-08-30) X-Barracuda-Connect: mx2.suse.de[195.135.220.15] X-Barracuda-Start-Time: 1466093565 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1778 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30491 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed 01-06-16 16:44:45, Christoph Hellwig wrote: > Add infrastructure for multipage buffered writes. This is implemented > using an main iterator that applies an actor function to a range that > can be written. > > This infrastucture is used to implement a buffered write helper, one > to zero file ranges and one to implement the ->page_mkwrite VM > operations. All of them borrow a fair amount of code from fs/buffers. > for now by using an internal version of __block_write_begin that > gets passed an iomap and builds the corresponding buffer head. > > The file system is gets a set of paired ->iomap_begin and ->iomap_end > calls which allow it to map/reserve a range and get a notification > once the write code is finished with it. > > Based on earlier code from Dave Chinner. > > Signed-off-by: Christoph Hellwig > Reviewed-by: Bob Peterson When reading through the patch I've noticed two minor errors in the comments: ... > +static loff_t > +iomap_apply(struct inode *inode, loff_t pos, loff_t length, unsigned flags, > + struct iomap_ops *ops, void *data, iomap_actor_t actor) > +{ > + struct iomap iomap = { 0 }; > + loff_t written = 0, ret; > + > + /* > + * Need to map a range from start position for count bytes. This can ^^^^ length ... > struct iomap { > - sector_t blkno; /* first sector of mapping */ > - loff_t offset; /* file offset of mapping, bytes */ > - u64 length; /* length of mapping, bytes */ > - int type; /* type of mapping */ > + sector_t blkno; /* first sector of mapping, fs blocks */ This is actually in 512-byte units, not in fs blocks as the comment suggests, right? Honza -- Jan Kara SUSE Labs, CR From Benjamin.Wirth@winmagic.com Thu Jun 16 14:57:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2B8CA7CA2 for ; Thu, 16 Jun 2016 14:57:45 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id F1B4E30404E for ; Thu, 16 Jun 2016 12:57:41 -0700 (PDT) X-ASG-Debug-ID: 1466107058-04cb6c54244f6d0001-NocioJ Received: from mail1.bemta8.messagelabs.com (mail1.bemta8.messagelabs.com [216.82.243.206]) by cuda.sgi.com with ESMTP id EwGoRCJWqeKL4HY2 for ; Thu, 16 Jun 2016 12:57:39 -0700 (PDT) X-Barracuda-Envelope-From: Benjamin.Wirth@winmagic.com X-Barracuda-Effective-Source-IP: mail1.bemta8.messagelabs.com[216.82.243.206] X-Barracuda-Apparent-Source-IP: 216.82.243.206 Received: from [216.82.241.211] by server-14.bemta-8.messagelabs.com id 41/C9-11656-2B403675; Thu, 16 Jun 2016 19:57:38 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCKsWRWlGSWpSXmKPExsWSocJ5SXcTS3K 4wfkXIhZbjt1jtFjUd4vRgcnj1CIJj9UXtjIGMEWxZuYl5VcksGb0nehnLljKU/F83VK2BsaZ XF2MXBxCAtMZJc4//c0M4axjlNg4u5Wpi5GTg03ASKLl0Hl2EFtEQE1i0qQdzCA2s4C6xISpW 1hAbGEBO4k9jxazQtTYS7zfPZMFwnaTmPv2D9gcFgFVia4zp8F6eQWCJDZs28MEseweo8T3s6 vZQBKcAroSZ2ZDNDAKiEl8P7WGCWKZuMStJ/PBbAkBAYkle84zQ9iiEi8f/2OFsOUlGtuvs0P U60gs2P2JDcLWlli28DXUYkGJkzOfgB0nJKAhsW7LIajeYInVp5cyTmAUm4Vk3Swko2YhGTUL yagFjCyrGNWLU4vKUot0LfSSijLTM0pyEzNzdA0NLPRyU4uLE9NTcxKTivWS83M3MQJjiwEId jAebnY+xCjJwaQkyvvza1K4EF9SfkplRmJxRnxRaU5q8SFGGQ4OJQleT+bkcCHBotT01Iq0zB xglMOkJTh4lER4K0HSvMUFibnFmekQqVOMilLivGEgCQGQREZpHlwbLLFcYpSVEuZlBDpEiKc gtSg3swRV/hWjOAejkjDvdpApPJl5JXDTXwEtZgJabDM9HmRxSSJCSqqB0Vpveqt5yYQZya8M xEQl39oH7lMotjq0fOPt75YhZe8tZRr+SemHO1VzfZXgs3FaVa0Sqb9jifMq7U5my8fxV+UrL ORzbopr/WkT1xevEzO1TckpnGn4OeD4otdmHudviio/iJ6welZ3oOTDkOI9/+vC5s7e4T8v9+ 2dl/s2Z7y+fGGuX8JiJZbijERDLeai4kQAKK7AyicDAAA= X-Env-Sender: Benjamin.Wirth@winmagic.com X-Msg-Ref: server-6.tower-85.messagelabs.com!1466107058!33918083!1 X-Originating-IP: [104.36.9.210] X-StarScan-Received: X-StarScan-Version: 8.46; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20892 invoked from network); 16 Jun 2016 19:57:38 -0000 Received: from 104-36-9-210.dedicated.allstream.net (HELO mail.winmagic.com) (104.36.9.210) by server-6.tower-85.messagelabs.com with SMTP; 16 Jun 2016 19:57:38 -0000 Received: from WMSEXCHSVR01.winmagic.local ([10.10.2.27]) by mail.winmagic.com with Microsoft SMTPSVC(6.0.3790.4675); Thu, 16 Jun 2016 15:57:37 -0400 Received: from WMSEXCHSVR02.winmagic.local ([fe80::4dad:19a5:fc50:6d9f]) by wmsexchsvr01.winmagic.local ([::1]) with mapi id 14.03.0266.001; Thu, 16 Jun 2016 15:57:37 -0400 From: Benjamin Wirth To: Dave Chinner CC: "xfs@oss.sgi.com" Subject: RE: development APIs for used/free blocks information Thread-Topic: development APIs for used/free blocks information X-ASG-Orig-Subj: RE: development APIs for used/free blocks information Thread-Index: AdGf/VxhHvG/iQ6eTkuDbtQDeeIgSAALiVKAABWxo1AAH2EYAAnB/Hgw Date: Thu, 16 Jun 2016 19:57:36 +0000 Message-ID: <97A4F433DEE099488FE21C1718A641D213A030CE@wmsexchsvr02.winmagic.local> References: <97A4F433DEE099488FE21C1718A641D2139E86F5@wmsexchsvr01.winmagic.local> <20160426222129.GD26977@dastard> <97A4F433DEE099488FE21C1718A641D2139E972E@wmsexchsvr01.winmagic.local> <20160427234108.GK26977@dastard> In-Reply-To: <20160427234108.GK26977@dastard> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.11.3.102] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginalArrivalTime: 16 Jun 2016 19:57:37.0836 (UTC) FILETIME=[55181EC0:01D1C809] X-Barracuda-Connect: mail1.bemta8.messagelabs.com[216.82.243.206] X-Barracuda-Start-Time: 1466107058 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1583 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.62 X-Barracuda-Spam-Status: No, SCORE=0.62 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, THREAD_INDEX, THREAD_TOPIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30498 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Hi David, I proceeded to parse the on-disk free blocks BTree for finding the free blo= cks information. Is there a way I could force a flush of BTree information = to disk, so that in an online filesystem that is being changed I can also h= andle the changes in the BTree? I was looking at XFS_FSOP_GOING_FLAGS_LOGFLUSH flag but it might do more th= en I need to do and actually shutdown the filesystem. Any other options? I = don't mind about performance degradation so interested in any option. Thanks, Ben -----Original Message----- From: Dave Chinner [mailto:david@fromorbit.com]=20 Sent: Wednesday, April 27, 2016 7:41 PM To: Benjamin Wirth Cc: xfs@oss.sgi.com Subject: Re: development APIs for used/free blocks information On Wed, Apr 27, 2016 at 12:54:24PM +0000, Benjamin Wirth wrote: > Hello Dave, >=20 > Thanks for your response. >=20 > And I apologize, reading back my email I wasn't clear about what I was=20 > looking for. >=20 > I want to be able to query which blocks are free or used, not just the=20 > counts. In EXT I was able to use ext2fs_test_block_bitmap() for that.=20 > XFS has a BTree with the free extents ordered by block number which I=20 > was hoping to be able to access from user-space, but couldn't find any=20 > APIs for it (or the headers containing the structure definitions) in=20 > the xfsprogs-devel package. Am I trying to do something impossible=20 > here? There are prototypes that need a bit of polishing to complete: http://oss.sgi.com/archives/xfs/2016-04/msg00633.html Cheers, Dave. -- Dave Chinner david@fromorbit.com From vishal.l.verma@intel.com Thu Jun 16 20:04:24 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 648C57CA2 for ; Thu, 16 Jun 2016 20:04:24 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 22F4530404E for ; Thu, 16 Jun 2016 18:04:24 -0700 (PDT) X-ASG-Debug-ID: 1466125460-04bdf01e1395270002-NocioJ Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by cuda.sgi.com with ESMTP id MdIuCFcwj52biRbR for ; Thu, 16 Jun 2016 18:04:22 -0700 (PDT) X-Barracuda-Envelope-From: vishal.l.verma@intel.com X-Barracuda-Effective-Source-IP: mga02.intel.com[134.134.136.20] X-Barracuda-Apparent-Source-IP: 134.134.136.20 X-ASG-Whitelist: Client Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP; 16 Jun 2016 18:04:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,481,1459839600"; d="scan'208";a="989197295" Received: from omniknight.lm.intel.com ([10.232.112.171]) by fmsmga001.fm.intel.com with ESMTP; 16 Jun 2016 18:04:22 -0700 From: Vishal Verma To: , Cc: Dave Chinner , Jan Kara , "Darrick J. Wong" , Vishal Verma Subject: [RFC PATCH 1/2] block, badblocks: add a notifier for badblocks Date: Thu, 16 Jun 2016 19:03:38 -0600 X-ASG-Orig-Subj: [RFC PATCH 1/2] block, badblocks: add a notifier for badblocks Message-Id: <1466125419-17736-2-git-send-email-vishal.l.verma@intel.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> X-Barracuda-Connect: mga02.intel.com[134.134.136.20] X-Barracuda-Start-Time: 1466125460 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6094 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Filesystems with reverse mapping data may wish to do their own badblock checking if they can be more efficient. This lays the groundwork for that by providing a notifier in badblocks that such filesystems may subscribe to. The notification includes information for whether one or more badblocks were added or removed, the start sector of the operation, and the number of sectors affected. Cc: Darrick J. Wong Cc: Dave Chinner Signed-off-by: Vishal Verma --- block/badblocks.c | 79 +++++++++++++++++++++++++++++++++++++++++++++-- include/linux/badblocks.h | 19 ++++++++++++ 2 files changed, 95 insertions(+), 3 deletions(-) diff --git a/block/badblocks.c b/block/badblocks.c index 7be53cb..f7cfece 100644 --- a/block/badblocks.c +++ b/block/badblocks.c @@ -16,6 +16,7 @@ */ #include +#include #include #include #include @@ -25,6 +26,67 @@ #include /** + * badblocks_notify - call badblocks notifier chain + * @bb: struct badblocks that is changing + * @op: badblocks operation + * @sector: old clk rate + * + * Triggers a notifier call chain on the badblocks change notification + * for 'bb'. Passes a pointer to the struct badblocks and the operation, + * and affected sector. Intended to be called by internal badblocks code + * only. Returns whatever atomic_notifier_call_chain returns. + */ +static int badblocks_notify(struct badblocks *bb, unsigned long op, sector_t sector, + int count) +{ + struct bb_notifier_data bbn_data; + + bbn_data.sector = sector; + bbn_data.count = count; + + return atomic_notifier_call_chain(&bb->notifier, op, &bbn_data); +} + +/** + * bb_notifier_register - add a badblocks change notifier + * @bb: struct badblocks * to watch + * @nb: struct notifier_block * with callback info + * + * Request notification when badblocks are added or cleared. + * This uses a notifier of the 'atomic' type. + * + * Returns -EINVAL if called with null arguments otherwise, passes along + * the return value of atomic_notifier_chain_register(). + */ +int bb_notifier_register(struct badblocks *bb, struct notifier_block *nb) +{ + if (!bb || !nb) + return -EINVAL; + + return atomic_notifier_chain_register(&bb->notifier, nb); +} +EXPORT_SYMBOL_GPL(bb_notifier_register); + +/** + * bb_notifier_unregister - remove a badblocks change notifier + * @bb: struct badblocks * + * @nb: struct notifier_block * with callback info + * + * Request no further notification for changes to the badblocks list. + * + * Returns -EINVAL if called with null arguments; otherwise, passes + * along the return value of atomic_notifier_chain_unregister(). + */ +int bb_notifier_unregister(struct badblocks *bb, struct notifier_block *nb) +{ + if (!bb || !nb) + return -EINVAL; + + return atomic_notifier_chain_unregister(&bb->notifier, nb); +} +EXPORT_SYMBOL_GPL(bb_notifier_unregister); + +/** * badblocks_check() - check a given range for bad sectors * @bb: the badblocks structure that holds all badblock information * @s: sector (start) at which to check for badblocks @@ -152,9 +214,10 @@ int badblocks_set(struct badblocks *bb, sector_t s, int sectors, int acknowledged) { u64 *p; - int lo, hi; - int rv = 0; + int rv = 0, ret; unsigned long flags; + sector_t saved_s = s; + int lo, hi, saved_count = sectors; if (bb->shift < 0) /* badblocks are disabled */ @@ -294,6 +357,11 @@ int badblocks_set(struct badblocks *bb, sector_t s, int sectors, bb->changed = 1; if (!acknowledged) bb->unacked_exist = 1; + + ret = badblocks_notify(bb, BB_ADD, saved_s, saved_count); + if (ret) + WARN(1, "Failure in badblocks notifier chain: %d\n", ret); + write_sequnlock_irqrestore(&bb->lock, flags); return rv; @@ -318,8 +386,9 @@ int badblocks_clear(struct badblocks *bb, sector_t s, int sectors) { u64 *p; int lo, hi; + sector_t saved_s = s; sector_t target = s + sectors; - int rv = 0; + int rv = 0, ret, saved_count = sectors; if (bb->shift > 0) { /* When clearing we round the start up and the end down. @@ -400,6 +469,9 @@ int badblocks_clear(struct badblocks *bb, sector_t s, int sectors) } bb->changed = 1; + ret = badblocks_notify(bb, BB_CLEAR, saved_s, saved_count); + if (ret) + WARN(1, "Failure in badblocks notifier chain: %d\n", ret); out: write_sequnlock_irq(&bb->lock); return rv; @@ -541,6 +613,7 @@ static int __badblocks_init(struct device *dev, struct badblocks *bb, return -ENOMEM; } seqlock_init(&bb->lock); + ATOMIC_INIT_NOTIFIER_HEAD(&bb->notifier); return 0; } diff --git a/include/linux/badblocks.h b/include/linux/badblocks.h index c3bdf8c..67539f0 100644 --- a/include/linux/badblocks.h +++ b/include/linux/badblocks.h @@ -1,6 +1,7 @@ #ifndef _LINUX_BADBLOCKS_H #define _LINUX_BADBLOCKS_H +#include #include #include #include @@ -38,8 +39,26 @@ struct badblocks { seqlock_t lock; sector_t sector; sector_t size; /* in sectors */ + struct atomic_notifier_head notifier; /* notifier for filesystems */ }; +#define BB_ADD 0 +#define BB_CLEAR 1 + +/** + * struct bb_notifier_data - data to pass to the notifier callback + * @bb: struct badblocks * being changed + * @sector: the 512B sector being added/removed + * @count: number of sectors after @sector being added/removed + */ +struct bb_notifier_data { + struct badblocks *bb; + sector_t sector; + int count; +}; + +int bb_notifier_register(struct badblocks *bb, struct notifier_block *nb); +int bb_notifier_unregister(struct badblocks *bb, struct notifier_block *nb); int badblocks_check(struct badblocks *bb, sector_t s, int sectors, sector_t *first_bad, int *bad_sectors); int badblocks_set(struct badblocks *bb, sector_t s, int sectors, -- 2.5.5 From vishal.l.verma@intel.com Thu Jun 16 20:04:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 230BA7CA2 for ; Thu, 16 Jun 2016 20:04:25 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D429A30404E for ; Thu, 16 Jun 2016 18:04:21 -0700 (PDT) X-ASG-Debug-ID: 1466125460-04bdf01e1395270001-NocioJ Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by cuda.sgi.com with ESMTP id BNSflzmmDnqoFU6u for ; Thu, 16 Jun 2016 18:04:20 -0700 (PDT) X-Barracuda-Envelope-From: vishal.l.verma@intel.com X-Barracuda-Effective-Source-IP: mga02.intel.com[134.134.136.20] X-Barracuda-Apparent-Source-IP: 134.134.136.20 X-ASG-Whitelist: Client Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP; 16 Jun 2016 18:04:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,481,1459839600"; d="scan'208";a="989197278" Received: from omniknight.lm.intel.com ([10.232.112.171]) by fmsmga001.fm.intel.com with ESMTP; 16 Jun 2016 18:04:19 -0700 From: Vishal Verma To: , Cc: Dave Chinner , Jan Kara , "Darrick J. Wong" , Vishal Verma Subject: [RFC PATCH 0/2] Initial support for badblock checking in xfs Date: Thu, 16 Jun 2016 19:03:37 -0600 X-ASG-Orig-Subj: [RFC PATCH 0/2] Initial support for badblock checking in xfs Message-Id: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> X-Mailer: git-send-email 2.5.5 X-Barracuda-Connect: mga02.intel.com[134.134.136.20] X-Barracuda-Start-Time: 1466125460 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2174 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 These are early/RFC patches to add badblock support in xfs. Patch 1 should be relatively straightforward - it adds a notifier chain to badblocks that filesystems can register with. Patch 2 is the beginnings of xfs support. So far, I have the notifier registration and building the initial badblock list happening in xfs_mountfs. The next steps (and I may need some help with this as I'm no (x)fs developer :)) are to add this badblocks info to the reverse mapping tree, and then to check for it before accessing the media. Right now, this just prints the sector numbers/counts/{added, removed} to the kernel log, for both the initial list, and subsequent notifier hits. While I've tested this with a fake pmem device using libnvdimm's nfit_test framework, it should also work using badblock injection with any block device: # mkfs.xfs -f /dev/ # echo 122 1 > /sys/block//badblocks # echo 124 1 > /sys/block//badblocks # mount -t xfs /dev/ /mnt ... in log: [ +8.803776] XFS (pmem7): Mounting V4 Filesystem [ +0.009633] XFS (pmem7): Ending clean mount [ +0.001655] XFS (pmem7): got badblocks: sector 122, count 1 [ +0.002018] XFS (pmem7): got badblocks: sector 124, count 1 # echo 132 5 | > /sys/block//badblocks [Jun16 18:56] XFS (pmem7): xfs badblock added sector 132 (count 5) This is all based on Darrik's rmap work at: https://github.com/djwong/linux/tree/rmap-reflink-devel Since this is based on a v4.5-rc kernel, it lacks pmem support for clearing badblocks on zeroing/writing, so those parts can't easily be tested yet. The clearing work is in 4.7-rs kernels, and once we rebase to that, that should also be available. Vishal Verma (2): block, badblocks: add a notifier for badblocks xfs: initial/partial support for badblocks block/badblocks.c | 79 +++++++++++++++++++++++++++++++++-- fs/xfs/xfs_linux.h | 1 + fs/xfs/xfs_mount.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_mount.h | 1 + include/linux/badblocks.h | 19 +++++++++ 5 files changed, 201 insertions(+), 3 deletions(-) -- 2.5.5 From vishal.l.verma@intel.com Thu Jun 16 20:04:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FRT_FOLLOW1,T_FRT_FOLLOW2 autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A585E7CB1 for ; Thu, 16 Jun 2016 20:04:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5426C8F804C for ; Thu, 16 Jun 2016 18:04:25 -0700 (PDT) X-ASG-Debug-ID: 1466125460-04bdf01e1395270003-NocioJ Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by cuda.sgi.com with ESMTP id ogLt1EmUKLWOnKuf for ; Thu, 16 Jun 2016 18:04:23 -0700 (PDT) X-Barracuda-Envelope-From: vishal.l.verma@intel.com X-Barracuda-Effective-Source-IP: mga02.intel.com[134.134.136.20] X-Barracuda-Apparent-Source-IP: 134.134.136.20 X-ASG-Whitelist: Client Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP; 16 Jun 2016 18:04:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,481,1459839600"; d="scan'208";a="989197308" Received: from omniknight.lm.intel.com ([10.232.112.171]) by fmsmga001.fm.intel.com with ESMTP; 16 Jun 2016 18:04:23 -0700 From: Vishal Verma To: , Cc: Dave Chinner , Jan Kara , "Darrick J. Wong" , Vishal Verma Subject: [RFC PATCH 2/2] xfs: initial/partial support for badblocks Date: Thu, 16 Jun 2016 19:03:39 -0600 X-ASG-Orig-Subj: [RFC PATCH 2/2] xfs: initial/partial support for badblocks Message-Id: <1466125419-17736-3-git-send-email-vishal.l.verma@intel.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> X-Barracuda-Connect: mga02.intel.com[134.134.136.20] X-Barracuda-Start-Time: 1466125463 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5445 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 RFC/WIP commit. This adds the foollowing: 1. In xfs_mountfs(), get an initial badblocks list from gendisk's badblocks infrastructure. 2. Register with the badblocks notifier to get updates for this disk's badblocks TODO: 1. Add badblocks info to the reverse mapping tree (and remove if a badblock was cleared). 2. Before doing file IO, refer the rmap/badblocks to error out early if the IO will attempt wo read a bad sector 3. Figure out interactions with mmap/DAX. Cc: Darrick J. Wong Cc: Dave Chinner Signed-off-by: Vishal Verma --- fs/xfs/xfs_linux.h | 1 + fs/xfs/xfs_mount.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_mount.h | 1 + 3 files changed, 106 insertions(+) diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index 7e749be..f66d181 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -78,6 +78,7 @@ typedef __u32 xfs_nlink_t; #include #include #include +#include #include #include diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 5e68b2c..1a47737 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -618,6 +618,96 @@ xfs_default_resblks(xfs_mount_t *mp) return resblks; } +STATIC int +xfs_notifier_call( + struct notifier_block *nb, + unsigned long action, + void *data) +{ + struct bb_notifier_data *bb_data = data; + struct xfs_mount *mp; + + mp = container_of(nb, struct xfs_mount, m_badblocks_nb); + /* TODO xfs_add_bb_to_rmap(mp, bb_data->sector, bb_data->count); */ + xfs_warn(mp, "xfs badblock %s sector %lu (count %d)\n", + (action == BB_ADD)?"added":"cleared", + bb_data->sector, bb_data->count); + return 0; +} + +STATIC int +xfs_init_badblocks(struct xfs_mount *mp) +{ + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; + int done = 0, error = 0; + ssize_t len, off = 0; + char *p; + + /* + * TODO: get a list of known badblocks so far and process it. + * Can we just parse the sysfs format that badblocks_show() + * returns? That should be the fastest way to get this. + * Something like: (Is this too hacky? Should we just do + * badblocks_check() in a (rather large) loop?) + */ + p = kzalloc(PAGE_SIZE, GFP_KERNEL); + len = badblocks_show(bb, p, 0); + while (len) { + int count, n; + sector_t s; + + /* + * The sysfs badblocks format is multiple lines of: + * " " + */ + n = sscanf(p + off, "%lu %d\n%n", &s, &count, &done); + if (n < 2 || done < 3) { + error = -1; + break; + } + off += done; + len -= done; + xfs_warn(mp, "got badblocks: sector %ld, count %d", s, count); + /* TODO xfs_add_bb_to_rmap(mp, s, count); */ + } + kfree(p); + if (error) + return error; + + mp->m_badblocks_nb.notifier_call = xfs_notifier_call; + error = bb_notifier_register(bb, &mp->m_badblocks_nb); + if (error) + return error; + + /* + * TODO: There is probably a TOCTOU race hiding here - what if the + * badblocks list gets updated before we register for notifications.. + * Can likely be solved by registering for notifications _first_ (the + * above xfs_add_bb_to_rmap function has to be ready to accept new + * blocks), then querying for the initial list (there could be overlap + * here, shich the above function could handle), and then setting the + * mount flag below. + */ + + /* + * TODO: set some flag (mount flag?) in xfs so that xfs knows + * it will be doing error checking, and can possibly, later, + * tell the block layer (possibly using a REQ_ flag in its IO + * requests) not to do further badblock checking for those IOs. + */ + + /* mp->m_flags |= XFS_MOUNT_FS_BADBLOCKS; */ + return 0; +} + +STATIC void +xfs_badblocks_unmount(struct xfs_mount *mp) +{ + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; + + bb_notifier_unregister(bb, &mp->m_badblocks_nb); +} + /* * This function does the following on an initial mount of a file system: * - reads the superblock from disk and init the mount struct @@ -955,6 +1045,19 @@ xfs_mountfs( } /* + * Register with the badblocks notifier chain + */ + error = xfs_init_badblocks(mp); + if (error) { + xfs_warn(mp, "Unable to register to badblocks notifications\n"); + /* + * TODO is this a hard error or can we simply + * warn and continue? + */ + goto out_rtunmount; + } + + /* * Now we are mounted, reserve a small amount of unused space for * privileged transactions. This is needed so that transaction * space required for critical operations can dip into this pool @@ -1085,6 +1188,7 @@ xfs_unmountfs( xfs_log_unmount(mp); xfs_da_unmount(mp); xfs_uuid_unmount(mp); + xfs_badblocks_unmount(mp); #if defined(DEBUG) xfs_errortag_clearall(mp, 0); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 0ca9244..f0d1111 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -139,6 +139,7 @@ typedef struct xfs_mount { /* low free space thresholds */ struct xfs_kobj m_kobj; struct xstats m_stats; /* per-fs stats */ + struct notifier_block m_badblocks_nb; /* disk badblocks notifier */ struct workqueue_struct *m_buf_workqueue; struct workqueue_struct *m_data_workqueue; -- 2.5.5 From darrick.wong@oracle.com Thu Jun 16 20:18:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 78CDD7CA2 for ; Thu, 16 Jun 2016 20:18:02 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id F3799AC001 for ; Thu, 16 Jun 2016 18:18:01 -0700 (PDT) X-ASG-Debug-ID: 1466126280-04cbb01fee69450001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id PASvl6hOWnsGZJh1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:00 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1HV6U023067 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:31 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1HV9e011224 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:31 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1HTxr021967; Fri, 17 Jun 2016 01:17:30 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:17:29 -0700 Subject: [PATCH v9 0/3] fallocate for block devices From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH v9 0/3] fallocate for block devices To: axboe@kernel.dk, darrick.wong@oracle.com Cc: linux-block@vger.kernel.org, tytso@mit.edu, martin.petersen@oracle.com, snitzer@redhat.com, linux-api@vger.kernel.org, bfoster@redhat.com, xfs@oss.sgi.com, hch@infradead.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org Date: Thu, 16 Jun 2016 18:17:27 -0700 Message-ID: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126280 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1476 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Hi, This is a redesign of the patch series that fixes various interface problems with the existing "zero out this part of a block device" code. BLKZEROOUT2 is gone. The first patch is still a fix to the existing BLKZEROOUT ioctl to invalidate the page cache if the zeroing command to the underlying device succeeds. Without this patch we still have the pagecache coherence bug that's been in the kernel forever. The second patch changes the internal block device functions to reject attempts to discard or zeroout that are not aligned to the logical block size. Previously, we only checked that the start/len parameters were 512-byte aligned, which caused kernel BUG_ONs for unaligned IOs to 4k-LBA devices. The third patch creates an fallocate handler for block devices, wires up the FALLOC_FL_PUNCH_HOLE flag to zeroing-discard, and connects FALLOC_FL_ZERO_RANGE to write-same so that we can have a consistent fallocate interface between files and block devices. It also allows the combination of PUNCH_HOLE and NO_HIDE_STALE to invoke non-zeroing discard. Test cases for the new block device fallocate are now in xfstests as generic/349-351. Comments and questions are, as always, welcome. Patches are against 4.7-rc3. v7: Strengthen parameter checking and fix various code issues pointed out by Linus and Christoph. v8: More code rearranging, rebase to 4.6-rc3, and dig into alignment issues. v9: Forward port to 4.7. --D From darrick.wong@oracle.com Thu Jun 16 20:18:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D51517CA2 for ; Thu, 16 Jun 2016 20:18:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 69C50AC001 for ; Thu, 16 Jun 2016 18:18:01 -0700 (PDT) X-ASG-Debug-ID: 1466126279-04bdf01e1595750001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id yO4enlNFB0EpBWof (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:17:59 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1HuuB023265 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:57 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Htl8007585 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:56 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1HsXp017777; Fri, 17 Jun 2016 01:17:55 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:17:54 -0700 Subject: [PATCH v6 000/119] xfs: add reverse mapping, reflink, dedupe, and online scrub support From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH v6 000/119] xfs: add reverse mapping, reflink, dedupe, and online scrub support To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:17:53 -0700 Message-ID: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126279 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5811 X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Hi all, This is the sixth revision of a patchset that adds to XFS kernel support for tracking reverse-mappings of physical blocks to file and metadata (rmap); support for mapping multiple file logical blocks to the same physical block (reflink); and implements the beginnings of online metadata scrubbing. Given the significant amount of design assumptions that change with block sharing, rmap and reflink are provided together. There shouldn't be any incompatible on-disk format changes, pending a thorough review of the patches within. The reverse mapping implementation features a simple per-AG b+tree containing tuples of (physical block, owner, offset, blockcount) with the key being the first three fields. The large record size will enable us to reconstruct corrupt block mapping btrees (bmbt); the large key size is necessary to identify uniquely each rmap record in the presence of shared physical blocks. In contrast to previous iterations of this patchset, it is no longer a requirement that there be a 1:1 correspondence between bmbt and rmapbt records; each rmapbt record can cover multiple bmbt records. The reflink implementation features a simple per-AG b+tree containing tuples of (physical block, blockcount, refcount) with the key being the physical block. Copy on Write (CoW) is implemented by creating a separate CoW fork and using the existing delayed allocation mechanism to try to allocate as large of a replacement extent as possible before committing the new data to media. A CoW extent size hint allows administrators to influence the size of the replacement extents, and certain writes can be "promoted" to CoW when it would be advantageous to reduce fragmentation. The userspace interface to reflink and dedupe are the VFS FICLONE, FICLONERANGE, and FIDEDUPERANGE ioctls, which were previously private to btrfs. Since the previous posting, I have made some major changes to the underlying XFS common code. First, I have extended the generic b+tree implementation to support overlapping intervals, which is necessary for the rmapbt on a reflink filesystem where there can be a number of rmapbt records representing a physical block. The new b+tree variant introduces the notion of a "high key" for each record; it is the highest key that can be used to identify a record. On disk, an overlapped-interval b+tree looks like a traditional b+tree except that nodes store both the lowest key and the highest key accessible through that subtree pointer. There's a new interval query function that uses both keys to iterate all records overlapping a given range of keys. This change allows us to remove the old requirement that each bmbt record correspond to a matching rmapbt record. The second big change is to the xfs_bmap_free functions. The existing code implements a mechanism to defer metadata (specifically, free space b+tree) updates across a transaction commit by logging redo items that can be replayed during recovery. It is an elegant way to avoid running afoul of AG locking order rules /and/ it can in theory be used to get around running out of transaction reservation. That said, I have refactored it into a generic "deferred operations" mechanism that can defer arbitrary types of work to a subsequent rolled transaction. The framework thus allows me to schedule rmapbt, refcountbt, and bmbt updates while maintaining correct redo in case of failure. Remapping activities for reflink and CoW are now atomic. The third big change is the establishment of a per-AG block reservation mechanism. This "hides" some blocks from the regular block allocator; refcountbt and rmapbt expansions use these blocks to handle the removal of the assumption that file mapping operations always involve block allocation. This gets us into trouble when a file allocates an entire AG, is reflinked by other files, and subsequent CoWs cause record splits in the rmap and reflink btrees. At the very end of the patchset is an initial implementation of a GETFSMAPX ioctl for userland to query the physical block mapping of a filesystem; and metadata scrubbing for XFS. The scrubber iterates the per-AG btrees and does some simple cross-checking when possible; I built it to check the functionality of the new b+tree code. The first few patches fix various vfs/xfs bugs, adds an enhancement to the xfs_buf tracepoints so that we can analyze buffer deadlocks, and merges difference between the kernel and userspace libxfs so that the rest of the patches apply consistently. There are still two functionality gaps: the extent swap ioctl isn't functional when rmap is enabled; and rmap cannot (yet) coexist with realtime devices. These will be addressed in the next sprint. If you're going to start using this mess, you probably ought to just pull from my github trees for kernel[1], xfsprogs[2], and xfstests[3]. There are also updates for xfs-docs[4]. The kernel patches should apply to dchinner's for-next; xfsprogs patches to for-next; and xfstest to master. NOTE however that the kernel git tree already has the five for-next patches included. The patches have been xfstested with x64, i386, and armv7l--arm64, ppc64, and ppc64le no longer boot in qemu. All three architectures pass all 'clone' group tests except xfs/128 (which is the swapext test), and AFAICT don't cause any new failures for the 'auto' group. This is an extraordinary way to eat your data. Enjoy! Comments and questions are, as always, welcome. --D [1] https://github.com/djwong/linux/tree/djwong-devel [2] https://github.com/djwong/xfsprogs/tree/djwong-devel [3] https://github.com/djwong/xfstests/tree/djwong-devel [4] https://github.com/djwong/xfs-documentation/tree/djwong-devel From darrick.wong@oracle.com Thu Jun 16 20:18:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E8A977CB0 for ; Thu, 16 Jun 2016 20:18:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id A7A32304048 for ; Thu, 16 Jun 2016 18:18:08 -0700 (PDT) X-ASG-Debug-ID: 1466126286-04bdf01e1095750001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id oHzpJTS1T5lEg6Xl (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1I3hb004168 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:04 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1I3E6012012 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:03 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1I16p005689; Fri, 17 Jun 2016 01:18:02 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:00 -0700 Subject: [PATCH 001/119] vfs: fix return type of ioctl_file_dedupe_range From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 001/119] vfs: fix return type of ioctl_file_dedupe_range To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:17:59 -0700 Message-ID: <146612627940.12839.15145788608361492501.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126286 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 729 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines All the VFS functions in the dedupe ioctl path return int status, so the ioctl handler ought to as well. Found by Coverity, CID 1350952. Signed-off-by: Darrick J. Wong --- fs/ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ioctl.c b/fs/ioctl.c index 116a333..db3d033 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -568,7 +568,7 @@ static int ioctl_fsthaw(struct file *filp) return thaw_super(sb); } -static long ioctl_file_dedupe_range(struct file *file, void __user *arg) +static int ioctl_file_dedupe_range(struct file *file, void __user *arg) { struct file_dedupe_range __user *argp = arg; struct file_dedupe_range *same = NULL; From darrick.wong@oracle.com Thu Jun 16 20:18:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7ED837CB8 for ; Thu, 16 Jun 2016 20:18:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 41D828F804C for ; Thu, 16 Jun 2016 18:18:11 -0700 (PDT) X-ASG-Debug-ID: 1466126289-04cbb01fed69460001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id znNmQDuzZfe8jCNR (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1HdYY003785 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:39 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1HbCF006925 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:37 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1HaGC021989; Fri, 17 Jun 2016 01:17:36 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:17:36 -0700 Subject: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. To: axboe@kernel.dk, darrick.wong@oracle.com Cc: linux-block@vger.kernel.org, tytso@mit.edu, martin.petersen@oracle.com, snitzer@redhat.com, linux-api@vger.kernel.org, bfoster@redhat.com, xfs@oss.sgi.com, hch@infradead.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, Christoph Hellwig Date: Thu, 16 Jun 2016 18:17:34 -0700 Message-ID: <146612625412.12764.6647932282740152837.stgit@birch.djwong.org> In-Reply-To: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> References: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126290 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1994 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Invalidate the page cache (as a regular O_DIRECT write would do) to avoid returning stale cache contents at a later time. v5: Refactor the 4.4 refactoring of the ioctl code into separate functions. Split the page invalidation and the new ioctl into separate patches. Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig --- block/ioctl.c | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/block/ioctl.c b/block/ioctl.c index ed2397f..d001f52 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -225,7 +225,9 @@ static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode, unsigned long arg) { uint64_t range[2]; - uint64_t start, len; + struct address_space *mapping; + uint64_t start, end, len; + int ret; if (!(mode & FMODE_WRITE)) return -EBADF; @@ -235,18 +237,33 @@ static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode, start = range[0]; len = range[1]; + end = start + len - 1; if (start & 511) return -EINVAL; if (len & 511) return -EINVAL; - start >>= 9; - len >>= 9; - - if (start + len > (i_size_read(bdev->bd_inode) >> 9)) + if (end >= (uint64_t)i_size_read(bdev->bd_inode)) + return -EINVAL; + if (end < start) return -EINVAL; - return blkdev_issue_zeroout(bdev, start, len, GFP_KERNEL, false); + /* Invalidate the page cache, including dirty pages */ + mapping = bdev->bd_inode->i_mapping; + truncate_inode_pages_range(mapping, start, end); + + ret = blkdev_issue_zeroout(bdev, start >> 9, len >> 9, GFP_KERNEL, + false); + if (ret) + return ret; + + /* + * Invalidate again; if someone wandered in and dirtied a page, + * the caller will be given -EBUSY. + */ + return invalidate_inode_pages2_range(mapping, + start >> PAGE_SHIFT, + end >> PAGE_SHIFT); } static int put_ushort(unsigned long arg, unsigned short val) From darrick.wong@oracle.com Thu Jun 16 20:18:12 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EB6607CBA for ; Thu, 16 Jun 2016 20:18:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 77753AC002 for ; Thu, 16 Jun 2016 18:18:11 -0700 (PDT) X-ASG-Debug-ID: 1466126289-04bdf01e1595760001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id yBOWyFTlpZWJXMX6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1HiDk003843 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:17:44 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1HiE1004405 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:44 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1HhSF021998; Fri, 17 Jun 2016 01:17:43 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:17:42 -0700 Subject: [PATCH 2/3] block: require write_same and discard requests align to logical block size From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 2/3] block: require write_same and discard requests align to logical block size To: axboe@kernel.dk, darrick.wong@oracle.com Cc: linux-block@vger.kernel.org, tytso@mit.edu, martin.petersen@oracle.com, snitzer@redhat.com, linux-api@vger.kernel.org, bfoster@redhat.com, xfs@oss.sgi.com, hch@infradead.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, Christoph Hellwig Date: Thu, 16 Jun 2016 18:17:41 -0700 Message-ID: <146612626092.12764.773833541076937471.stgit@birch.djwong.org> In-Reply-To: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> References: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126289 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2164 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Make sure that the offset and length arguments that we're using to construct WRITE SAME and DISCARD requests are actually aligned to the logical block size. Failure to do this causes other errors in other parts of the block layer or the SCSI layer because disks don't support partial logical block writes. Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig --- block/blk-lib.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/block/blk-lib.c b/block/blk-lib.c index 9e29dc3..012aa98 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -29,6 +29,7 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, struct bio *bio = *biop; unsigned int granularity; int alignment; + sector_t bs_mask; if (!q) return -ENXIO; @@ -37,6 +38,10 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, if ((type & REQ_SECURE) && !blk_queue_secdiscard(q)) return -EOPNOTSUPP; + bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1; + if ((sector | nr_sects) & bs_mask) + return -EINVAL; + /* Zero-sector (unknown) and one-sector granularities are the same. */ granularity = max(q->limits.discard_granularity >> 9, 1U); alignment = (bdev_discard_alignment(bdev) >> 9) % granularity; @@ -140,10 +145,15 @@ int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, unsigned int max_write_same_sectors; struct bio *bio = NULL; int ret = 0; + sector_t bs_mask; if (!q) return -ENXIO; + bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1; + if ((sector | nr_sects) & bs_mask) + return -EINVAL; + /* Ensure that max_write_same_sectors doesn't overflow bi_size */ max_write_same_sectors = UINT_MAX >> 9; @@ -191,6 +201,11 @@ static int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, int ret; struct bio *bio = NULL; unsigned int sz; + sector_t bs_mask; + + bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1; + if ((sector | nr_sects) & bs_mask) + return -EINVAL; while (nr_sects != 0) { bio = next_bio(bio, WRITE, From darrick.wong@oracle.com Thu Jun 16 20:18:12 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9E8287CBB for ; Thu, 16 Jun 2016 20:18:12 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2904BAC002 for ; Thu, 16 Jun 2016 18:18:12 -0700 (PDT) X-ASG-Debug-ID: 1466126290-04bdf01e1095760001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id myMwgpJEQf7fn6la (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1I89b023561 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:08 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1I87c008063 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:08 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1I7A3026380; Fri, 17 Jun 2016 01:18:07 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:07 -0700 Subject: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:18:05 -0700 Message-ID: <146612628567.12839.3246258786290141903.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126290 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1331 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Introduce XFLAGs for the new XFS reflink inode flag and the CoW extent size hint, and actually plumb the CoW extent size hint into the fsxattr structure. Signed-off-by: Darrick J. Wong --- include/uapi/linux/fs.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index 3b00f7c..fb371a5 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -157,7 +157,8 @@ struct fsxattr { __u32 fsx_extsize; /* extsize field value (get/set)*/ __u32 fsx_nextents; /* nextents field value (get) */ __u32 fsx_projid; /* project identifier (get/set) */ - unsigned char fsx_pad[12]; + __u32 fsx_cowextsize; /* CoW extsize field value (get/set)*/ + unsigned char fsx_pad[8]; }; /* @@ -178,6 +179,8 @@ struct fsxattr { #define FS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ #define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ #define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */ +#define FS_XFLAG_REFLINK 0x00010000 /* file is reflinked */ +#define FS_XFLAG_COWEXTSIZE 0x00020000 /* CoW extent size allocator hint */ #define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ /* the read-only stuff doesn't really belong here, but any other place is From darrick.wong@oracle.com Thu Jun 16 20:18:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0648F7CA2 for ; Thu, 16 Jun 2016 20:18:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id BAC6A304039 for ; Thu, 16 Jun 2016 18:18:19 -0700 (PDT) X-ASG-Debug-ID: 1466126297-04bdf01e1095770001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id JwkBUDRDPPsUVnQb (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:18 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1IG0s023617 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:16 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1IGZQ001793 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:16 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1IDJD005735; Fri, 17 Jun 2016 01:18:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:13 -0700 Subject: [PATCH 003/119] xfs: check offsets of variable length structures From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 003/119] xfs: check offsets of variable length structures To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:18:12 -0700 Message-ID: <146612629195.12839.14090954204243398929.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126298 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3079 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Some of the directory/attr structures contain variable-length objects, so the enclosing structure doesn't have a meaningful fixed size at compile time. We can check the offsets of the members before the variable-length member, so do those. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_ondisk.h | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index 184c44e..0272301 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -22,6 +22,11 @@ BUILD_BUG_ON_MSG(sizeof(structname) != (size), "XFS: sizeof(" \ #structname ") is wrong, expected " #size) +#define XFS_CHECK_OFFSET(structname, member, off) \ + BUILD_BUG_ON_MSG(offsetof(structname, member) != (off), \ + "XFS: offsetof(" #structname ", " #member ") is wrong, " \ + "expected " #off) + static inline void __init xfs_check_ondisk_structs(void) { @@ -75,15 +80,28 @@ xfs_check_ondisk_structs(void) XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_remote_t, 12); */ + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, valuelen, 0); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, namelen, 2); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, nameval, 3); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valueblk, 0); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valuelen, 4); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, namelen, 8); + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, name, 9); XFS_CHECK_STRUCT_SIZE(xfs_attr_leafblock_t, 40); - XFS_CHECK_STRUCT_SIZE(xfs_attr_shortform_t, 8); + XFS_CHECK_OFFSET(xfs_attr_shortform_t, hdr.totsize, 0); + XFS_CHECK_OFFSET(xfs_attr_shortform_t, hdr.count, 2); + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].namelen, 4); + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].valuelen, 5); + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].flags, 6); + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].nameval, 7); XFS_CHECK_STRUCT_SIZE(xfs_da_blkinfo_t, 12); XFS_CHECK_STRUCT_SIZE(xfs_da_intnode_t, 16); XFS_CHECK_STRUCT_SIZE(xfs_da_node_entry_t, 8); XFS_CHECK_STRUCT_SIZE(xfs_da_node_hdr_t, 16); XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_free_t, 4); XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_hdr_t, 16); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_unused_t, 6); + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, freetag, 0); + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, length, 2); XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t, 16); XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t, 16); XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino4_t, 4); @@ -94,6 +112,9 @@ xfs_check_ondisk_structs(void) XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16); XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t, 4); XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t, 3); + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, namelen, 0); + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t, 2); From darrick.wong@oracle.com Thu Jun 16 20:18:21 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B889A7CCD for ; Thu, 16 Jun 2016 20:18:21 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 89A12304048 for ; Thu, 16 Jun 2016 18:18:21 -0700 (PDT) X-ASG-Debug-ID: 1466126299-04cbb01fec69480001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id X588apUa8mm3NweV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1HrML023235 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:53 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Hq1C007532 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:17:53 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1HoWS005675; Fri, 17 Jun 2016 01:17:51 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:17:49 -0700 Subject: [PATCH 3/3] block: implement (some of) fallocate for block devices From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 3/3] block: implement (some of) fallocate for block devices To: axboe@kernel.dk, darrick.wong@oracle.com Cc: linux-block@vger.kernel.org, tytso@mit.edu, martin.petersen@oracle.com, snitzer@redhat.com, linux-api@vger.kernel.org, bfoster@redhat.com, xfs@oss.sgi.com, hch@infradead.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org Date: Thu, 16 Jun 2016 18:17:47 -0700 Message-ID: <146612626773.12764.9800994140955661542.stgit@birch.djwong.org> In-Reply-To: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> References: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126299 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5028 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines After much discussion, it seems that the fallocate feature flag FALLOC_FL_ZERO_RANGE maps nicely to SCSI WRITE SAME; and the feature FALLOC_FL_PUNCH_HOLE maps nicely to the devices that have been whitelisted for zeroing SCSI UNMAP. Punch still requires that FALLOC_FL_KEEP_SIZE is set. A length that goes past the end of the device will be clamped to the device size if KEEP_SIZE is set; or will return -EINVAL if not. Both start and length must be aligned to the device's logical block size. Since the semantics of fallocate are fairly well established already, wire up the two pieces. The other fallocate variants (collapse range, insert range, and allocate blocks) are not supported. v2: Incorporate feedback from Christoph & Linus. Tentatively add a requirement that the fallocate arguments be aligned to logical block size, and put in a few XXX comments ahead of LSF discussion. v3: Forward port to 4.7. Signed-off-by: Darrick J. Wong --- fs/block_dev.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ fs/open.c | 3 +- 2 files changed, 86 insertions(+), 1 deletion(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index 71ccab1..a3975c4 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include "internal.h" @@ -1802,6 +1803,88 @@ static const struct address_space_operations def_blk_aops = { .is_dirty_writeback = buffer_check_dirty_writeback, }; +#define BLKDEV_FALLOC_FL_SUPPORTED \ + (FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE | \ + FALLOC_FL_ZERO_RANGE | FALLOC_FL_NO_HIDE_STALE) + +static long blkdev_fallocate(struct file *file, int mode, loff_t start, + loff_t len) +{ + struct block_device *bdev = I_BDEV(bdev_file_inode(file)); + struct request_queue *q = bdev_get_queue(bdev); + struct address_space *mapping; + loff_t end = start + len - 1; + loff_t isize; + int error; + + /* Fail if we don't recognize the flags. */ + if (mode & ~BLKDEV_FALLOC_FL_SUPPORTED) + return -EOPNOTSUPP; + + /* Don't go off the end of the device. */ + isize = i_size_read(bdev->bd_inode); + if (start >= isize) + return -EINVAL; + if (end > isize) { + if (mode & FALLOC_FL_KEEP_SIZE) { + len = isize - start; + end = start + len - 1; + } else + return -EINVAL; + } + + /* + * Don't allow IO that isn't aligned to logical block size. + */ + if ((start | len) & (bdev_logical_block_size(bdev) - 1)) + return -EINVAL; + + /* Invalidate the page cache, including dirty pages. */ + mapping = bdev->bd_inode->i_mapping; + truncate_inode_pages_range(mapping, start, end); + + switch (mode) { + case FALLOC_FL_ZERO_RANGE: + case FALLOC_FL_ZERO_RANGE | FALLOC_FL_KEEP_SIZE: + error = blkdev_issue_zeroout(bdev, start >> 9, len >> 9, + GFP_KERNEL, false); + if (error) + return error; + break; + case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE: + /* Only punch if the device can do zeroing discard. */ + if (!blk_queue_discard(q) || !q->limits.discard_zeroes_data) + return -EOPNOTSUPP; + error = blkdev_issue_discard(bdev, start >> 9, len >> 9, + GFP_KERNEL, 0); + if (error) + return error; + break; + case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE | FALLOC_FL_NO_HIDE_STALE: + /* + * XXX: a well known search engine vendor interprets this + * flag (in other circumstances) to mean "I don't care if + * we can read stale contents later". Is it appropriate + * to wire this up to the non-zeroing discard? + */ + error = blkdev_issue_discard(bdev, start >> 9, len >> 9, + GFP_KERNEL, 0); + if (error) + return error; + break; + default: + return -EOPNOTSUPP; + } + + /* + * Invalidate again; if someone wandered in and dirtied a page, + * the caller will be given -EBUSY; + */ + return invalidate_inode_pages2_range(mapping, + start >> PAGE_SHIFT, + end >> PAGE_SHIFT); +} + const struct file_operations def_blk_fops = { .open = blkdev_open, .release = blkdev_close, @@ -1816,6 +1899,7 @@ const struct file_operations def_blk_fops = { #endif .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, + .fallocate = blkdev_fallocate, }; int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg) diff --git a/fs/open.c b/fs/open.c index 93ae3cd..b2dbda4 100644 --- a/fs/open.c +++ b/fs/open.c @@ -289,7 +289,8 @@ int vfs_fallocate(struct file *file, int mode, loff_t offset, loff_t len) * Let individual file system decide if it supports preallocation * for directories or not. */ - if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode)) + if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode) && + !S_ISBLK(inode->i_mode)) return -ENODEV; /* Check for wrap through zero too */ From darrick.wong@oracle.com Thu Jun 16 20:18:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 583487CC5 for ; Thu, 16 Jun 2016 20:18:27 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id E5A34AC002 for ; Thu, 16 Jun 2016 18:18:26 -0700 (PDT) X-ASG-Debug-ID: 1466126305-04bdf01e15957a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id CQjdRXkVHizAMKIN (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:25 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1INHS004319 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:18:23 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1IMI6005467 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:22 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1IK7L005780; Fri, 17 Jun 2016 01:18:21 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:19 -0700 Subject: [PATCH 004/119] xfs: enable buffer deadlock postmortem diagnosis via ftrace From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 004/119] xfs: enable buffer deadlock postmortem diagnosis via ftrace To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:18:18 -0700 Message-ID: <146612629822.12839.7938642541078923297.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126305 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1217 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a second buf_trylock tracepoint so that we can distinguish between a successful and a failed trylock. With this piece, we can use a script to look at the ftrace output to detect buffer deadlocks. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_buf.c | 3 ++- fs/xfs/xfs_trace.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index efa2a73..2333db7 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -947,7 +947,8 @@ xfs_buf_trylock( if (locked) XB_SET_OWNER(bp); - trace_xfs_buf_trylock(bp, _RET_IP_); + locked ? trace_xfs_buf_trylock(bp, _RET_IP_) : + trace_xfs_buf_trylock_fail(bp, _RET_IP_); return locked; } diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index ea94ee0..68f27f7 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -354,6 +354,7 @@ DEFINE_BUF_EVENT(xfs_buf_submit_wait); DEFINE_BUF_EVENT(xfs_buf_bawrite); DEFINE_BUF_EVENT(xfs_buf_lock); DEFINE_BUF_EVENT(xfs_buf_lock_done); +DEFINE_BUF_EVENT(xfs_buf_trylock_fail); DEFINE_BUF_EVENT(xfs_buf_trylock); DEFINE_BUF_EVENT(xfs_buf_unlock); DEFINE_BUF_EVENT(xfs_buf_iowait); From darrick.wong@oracle.com Thu Jun 16 20:18:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 741797CD6 for ; Thu, 16 Jun 2016 20:18:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 37D138F804C for ; Thu, 16 Jun 2016 18:18:33 -0700 (PDT) X-ASG-Debug-ID: 1466126311-04cb6c542457050001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id crC8StLsn5BqRc7C (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:31 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1IRtG004348 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:28 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1IRou001970 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:27 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1IQ1q022206; Fri, 17 Jun 2016 01:18:26 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:26 -0700 Subject: [PATCH 005/119] xfs: check for a valid error_tag in errortag_add From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 005/119] xfs: check for a valid error_tag in errortag_add To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:18:24 -0700 Message-ID: <146612630452.12839.3528211000490660021.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126311 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 814 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Currently we don't check the error_tag when someone's trying to set up error injection testing. If userspace passes in a value we don't know about, send back an error. This will help xfstests to _notrun a test that uses error injection to test things like log replay. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_error.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index 88693a9..355619a 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -61,6 +61,9 @@ xfs_errortag_add(int error_tag, xfs_mount_t *mp) int len; int64_t fsid; + if (error_tag >= XFS_ERRTAG_MAX) + return -EINVAL; + memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { From darrick.wong@oracle.com Thu Jun 16 20:18:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D5A277CD6 for ; Thu, 16 Jun 2016 20:18:38 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 865A1304039 for ; Thu, 16 Jun 2016 18:18:38 -0700 (PDT) X-ASG-Debug-ID: 1466126315-04bdf01e17957c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 9441FjvpX9WpWhH5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:36 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1IXKU023691 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:18:33 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1IXoY005730 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:18:33 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1IWDJ026497; Fri, 17 Jun 2016 01:18:32 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:32 -0700 Subject: [PATCH 006/119] xfs: port differences from xfsprogs libxfs From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 006/119] xfs: port differences from xfsprogs libxfs To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:18:30 -0700 Message-ID: <146612631079.12839.13685287438216197909.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126315 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13736 X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Port various differences between xfsprogs and the kernel. This cleans up both so that we can develop rmap and reflink on the same libxfs code. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 2 ++ fs/xfs/libxfs/xfs_attr_leaf.h | 2 +- fs/xfs/libxfs/xfs_bmap.c | 2 +- fs/xfs/libxfs/xfs_bmap.h | 6 ++++++ fs/xfs/libxfs/xfs_btree.c | 4 ++++ fs/xfs/libxfs/xfs_btree.h | 4 ++-- fs/xfs/libxfs/xfs_dir2.h | 2 ++ fs/xfs/libxfs/xfs_dir2_priv.h | 1 - fs/xfs/libxfs/xfs_dquot_buf.c | 10 ++++++++++ fs/xfs/libxfs/xfs_format.h | 1 - fs/xfs/libxfs/xfs_ialloc.c | 4 ++-- fs/xfs/libxfs/xfs_inode_buf.c | 19 +++++++++++++++---- fs/xfs/libxfs/xfs_inode_buf.h | 6 ++++-- fs/xfs/libxfs/xfs_log_format.h | 4 ++-- fs/xfs/libxfs/xfs_rtbitmap.c | 1 - fs/xfs/libxfs/xfs_sb.c | 4 ++++ fs/xfs/libxfs/xfs_types.h | 3 +++ 17 files changed, 58 insertions(+), 17 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 99b077c..58bdca7 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2415,7 +2415,9 @@ xfs_alloc_read_agf( be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]); spin_lock_init(&pag->pagb_lock); pag->pagb_count = 0; +#ifdef __KERNEL__ pag->pagb_tree = RB_ROOT; +#endif pag->pagf_init = 1; } #ifdef DEBUG diff --git a/fs/xfs/libxfs/xfs_attr_leaf.h b/fs/xfs/libxfs/xfs_attr_leaf.h index 4f2aed0..8ef420a 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.h +++ b/fs/xfs/libxfs/xfs_attr_leaf.h @@ -51,7 +51,7 @@ int xfs_attr_shortform_getvalue(struct xfs_da_args *args); int xfs_attr_shortform_to_leaf(struct xfs_da_args *args); int xfs_attr_shortform_remove(struct xfs_da_args *args); int xfs_attr_shortform_allfit(struct xfs_buf *bp, struct xfs_inode *dp); -int xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes); +int xfs_attr_shortform_bytesfit(struct xfs_inode *dp, int bytes); void xfs_attr_fork_remove(struct xfs_inode *ip, struct xfs_trans *tp); /* diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 932381c..499e980 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -1425,7 +1425,7 @@ xfs_bmap_search_multi_extents( * Else, *lastxp will be set to the index of the found * entry; *gotp will contain the entry. */ -STATIC xfs_bmbt_rec_host_t * /* pointer to found extent entry */ +xfs_bmbt_rec_host_t * /* pointer to found extent entry */ xfs_bmap_search_extents( xfs_inode_t *ip, /* incore inode pointer */ xfs_fileoff_t bno, /* block number searched for */ diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 423a34e..79e3ebe 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -231,4 +231,10 @@ int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, int num_exts); int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset); +struct xfs_bmbt_rec_host * + xfs_bmap_search_extents(struct xfs_inode *ip, xfs_fileoff_t bno, + int fork, int *eofp, xfs_extnum_t *lastxp, + struct xfs_bmbt_irec *gotp, + struct xfs_bmbt_irec *prevp); + #endif /* __XFS_BMAP_H__ */ diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 1f88e1c..105979d 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -2532,6 +2532,7 @@ error0: return error; } +#ifdef __KERNEL__ struct xfs_btree_split_args { struct xfs_btree_cur *cur; int level; @@ -2609,6 +2610,9 @@ xfs_btree_split( destroy_work_on_stack(&args.work); return args.result; } +#else /* !KERNEL */ +#define xfs_btree_split __xfs_btree_split +#endif /* diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 2e874be..9a88839 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -95,7 +95,7 @@ do { \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(__mp, bmbt, stat); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ - case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ + case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -115,7 +115,7 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, ibt, stat, val); break; \ case XFS_BTNUM_FINO: \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ - case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ + case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index e553536..0a62e73 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -177,6 +177,8 @@ extern struct xfs_dir2_data_free *xfs_dir2_data_freefind( struct xfs_dir2_data_hdr *hdr, struct xfs_dir2_data_free *bf, struct xfs_dir2_data_unused *dup); +extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); + extern const struct xfs_buf_ops xfs_dir3_block_buf_ops; extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops; extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops; diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h index ef9f6ea..d04547f 100644 --- a/fs/xfs/libxfs/xfs_dir2_priv.h +++ b/fs/xfs/libxfs/xfs_dir2_priv.h @@ -21,7 +21,6 @@ struct dir_context; /* xfs_dir2.c */ -extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, xfs_dir2_db_t *dbp); extern int xfs_dir_cilookup_result(struct xfs_da_args *args, diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c index 3cc3cf7..06b574d 100644 --- a/fs/xfs/libxfs/xfs_dquot_buf.c +++ b/fs/xfs/libxfs/xfs_dquot_buf.c @@ -31,10 +31,16 @@ #include "xfs_cksum.h" #include "xfs_trace.h" +/* + * XXX: kernel implementation causes ndquots calc to go real + * bad. Just leaving the existing userspace calc here right now. + */ int xfs_calc_dquots_per_chunk( unsigned int nbblks) /* basic block units */ { +#ifdef __KERNEL__ + /* kernel code that goes wrong in userspace! */ unsigned int ndquots; ASSERT(nbblks > 0); @@ -42,6 +48,10 @@ xfs_calc_dquots_per_chunk( do_div(ndquots, sizeof(xfs_dqblk_t)); return ndquots; +#else + ASSERT(nbblks > 0); + return BBTOB(nbblks) / sizeof(xfs_dqblk_t); +#endif } /* diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index dc97eb21..ba528b3 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -835,7 +835,6 @@ typedef struct xfs_timestamp { * padding field for v3 inodes. */ #define XFS_DINODE_MAGIC 0x494e /* 'IN' */ -#define XFS_DINODE_GOOD_VERSION(v) ((v) >= 1 && (v) <= 3) typedef struct xfs_dinode { __be16 di_magic; /* inode magic # = XFS_DINODE_MAGIC */ __be16 di_mode; /* mode and type of file */ diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 22297f9..77b5990 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -2340,7 +2340,7 @@ xfs_imap( imap->im_blkno = XFS_AGB_TO_DADDR(mp, agno, agbno); imap->im_len = XFS_FSB_TO_BB(mp, 1); - imap->im_boffset = (ushort)(offset << mp->m_sb.sb_inodelog); + imap->im_boffset = (unsigned short)(offset << mp->m_sb.sb_inodelog); return 0; } @@ -2368,7 +2368,7 @@ out_map: imap->im_blkno = XFS_AGB_TO_DADDR(mp, agno, cluster_agbno); imap->im_len = XFS_FSB_TO_BB(mp, blks_per_cluster); - imap->im_boffset = (ushort)(offset << mp->m_sb.sb_inodelog); + imap->im_boffset = (unsigned short)(offset << mp->m_sb.sb_inodelog); /* * If the inode number maps to a block outside the bounds diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 9d9559e..794fa66 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -56,6 +56,17 @@ xfs_inobp_check( } #endif +bool +xfs_dinode_good_version( + struct xfs_mount *mp, + __u8 version) +{ + if (xfs_sb_version_hascrc(&mp->m_sb)) + return version == 3; + + return version == 1 || version == 2; +} + /* * If we are doing readahead on an inode buffer, we might be in log recovery * reading an inode allocation buffer that hasn't yet been replayed, and hence @@ -90,7 +101,7 @@ xfs_inode_buf_verify( dip = xfs_buf_offset(bp, (i << mp->m_sb.sb_inodelog)); di_ok = dip->di_magic == cpu_to_be16(XFS_DINODE_MAGIC) && - XFS_DINODE_GOOD_VERSION(dip->di_version); + xfs_dinode_good_version(mp, dip->di_version); if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP, XFS_RANDOM_ITOBP_INOTOBP))) { @@ -369,7 +380,7 @@ xfs_log_dinode_to_disk( static bool xfs_dinode_verify( struct xfs_mount *mp, - struct xfs_inode *ip, + xfs_ino_t ino, struct xfs_dinode *dip) { if (dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC)) @@ -384,7 +395,7 @@ xfs_dinode_verify( if (!xfs_verify_cksum((char *)dip, mp->m_sb.sb_inodesize, XFS_DINODE_CRC_OFF)) return false; - if (be64_to_cpu(dip->di_ino) != ip->i_ino) + if (be64_to_cpu(dip->di_ino) != ino) return false; if (!uuid_equal(&dip->di_uuid, &mp->m_sb.sb_meta_uuid)) return false; @@ -459,7 +470,7 @@ xfs_iread( return error; /* even unallocated inodes are verified */ - if (!xfs_dinode_verify(mp, ip, dip)) { + if (!xfs_dinode_verify(mp, ip->i_ino, dip)) { xfs_alert(mp, "%s: validation failed for inode %lld failed", __func__, ip->i_ino); diff --git a/fs/xfs/libxfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h index 7c4dd32..958c543 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.h +++ b/fs/xfs/libxfs/xfs_inode_buf.h @@ -57,8 +57,8 @@ struct xfs_icdinode { */ struct xfs_imap { xfs_daddr_t im_blkno; /* starting BB of inode chunk */ - ushort im_len; /* length in BBs of inode chunk */ - ushort im_boffset; /* inode offset in block in bytes */ + unsigned short im_len; /* length in BBs of inode chunk */ + unsigned short im_boffset; /* inode offset in block in bytes */ }; int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *, @@ -73,6 +73,8 @@ void xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from); void xfs_log_dinode_to_disk(struct xfs_log_dinode *from, struct xfs_dinode *to); +bool xfs_dinode_good_version(struct xfs_mount *mp, __u8 version); + #if defined(DEBUG) void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); #else diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index e8f49c0..e5baba3 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -462,8 +462,8 @@ static inline uint xfs_log_dinode_size(int version) typedef struct xfs_buf_log_format { unsigned short blf_type; /* buf log item type indicator */ unsigned short blf_size; /* size of this item */ - ushort blf_flags; /* misc state */ - ushort blf_len; /* number of blocks in this buf */ + unsigned short blf_flags; /* misc state */ + unsigned short blf_len; /* number of blocks in this buf */ __int64_t blf_blkno; /* starting blkno of this buf */ unsigned int blf_map_size; /* used size of data bitmap in words */ unsigned int blf_data_map[XFS_BLF_DATAMAP_SIZE]; /* dirty bitmap */ diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index e2e1106..ea45584 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -1016,4 +1016,3 @@ xfs_rtfree_extent( } return 0; } - diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 12ca867..09d6fd0 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -261,6 +261,7 @@ xfs_mount_validate_sb( /* * Until this is fixed only page-sized or smaller data blocks work. */ +#ifdef __KERNEL__ if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) { xfs_warn(mp, "File system with blocksize %d bytes. " @@ -268,6 +269,7 @@ xfs_mount_validate_sb( sbp->sb_blocksize, PAGE_SIZE); return -ENOSYS; } +#endif /* * Currently only very few inode sizes are supported. @@ -291,10 +293,12 @@ xfs_mount_validate_sb( return -EFBIG; } +#ifdef __KERNEL__ if (check_inprogress && sbp->sb_inprogress) { xfs_warn(mp, "Offline file system operation in progress!"); return -EFSCORRUPTED; } +#endif return 0; } diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h index b79dc66..f0d145a 100644 --- a/fs/xfs/libxfs/xfs_types.h +++ b/fs/xfs/libxfs/xfs_types.h @@ -75,11 +75,14 @@ typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */ * Minimum and maximum blocksize and sectorsize. * The blocksize upper limit is pretty much arbitrary. * The sectorsize upper limit is due to sizeof(sb_sectsize). + * CRC enable filesystems use 512 byte inodes, meaning 512 byte block sizes + * cannot be used. */ #define XFS_MIN_BLOCKSIZE_LOG 9 /* i.e. 512 bytes */ #define XFS_MAX_BLOCKSIZE_LOG 16 /* i.e. 65536 bytes */ #define XFS_MIN_BLOCKSIZE (1 << XFS_MIN_BLOCKSIZE_LOG) #define XFS_MAX_BLOCKSIZE (1 << XFS_MAX_BLOCKSIZE_LOG) +#define XFS_MIN_CRC_BLOCKSIZE (1 << (XFS_MIN_BLOCKSIZE_LOG + 1)) #define XFS_MIN_SECTORSIZE_LOG 9 /* i.e. 512 bytes */ #define XFS_MAX_SECTORSIZE_LOG 15 /* i.e. 32768 bytes */ #define XFS_MIN_SECTORSIZE (1 << XFS_MIN_SECTORSIZE_LOG) From darrick.wong@oracle.com Thu Jun 16 20:18:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C8EE57CA6 for ; Thu, 16 Jun 2016 20:18:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8CBC18F804C for ; Thu, 16 Jun 2016 18:18:45 -0700 (PDT) X-ASG-Debug-ID: 1466126323-04cbb01fef694c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id CzYCp1LIm5utKklF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:43 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1IdeO004451 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:40 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1IdUL008641 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:39 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Id84026563; Fri, 17 Jun 2016 01:18:39 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:38 -0700 Subject: [PATCH 007/119] xfs: rearrange xfs_bmap_add_free parameters From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 007/119] xfs: rearrange xfs_bmap_add_free parameters To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Christoph Hellwig , Dave Chinner Date: Thu, 16 Jun 2016 18:18:37 -0700 Message-ID: <146612631720.12839.5804944531874278200.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126323 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4285 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines This is already in xfsprogs' libxfs, so port it to the kernel. Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_bmap.c | 12 ++++++------ fs/xfs/libxfs/xfs_bmap.h | 4 ++-- fs/xfs/libxfs/xfs_bmap_btree.c | 2 +- fs/xfs/libxfs/xfs_ialloc.c | 9 ++++----- 4 files changed, 13 insertions(+), 14 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 499e980..ea7b3df 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -570,10 +570,10 @@ xfs_bmap_validate_ret( */ void xfs_bmap_add_free( + struct xfs_mount *mp, /* mount point structure */ + struct xfs_bmap_free *flist, /* list of extents */ xfs_fsblock_t bno, /* fs block number of extent */ - xfs_filblks_t len, /* length of extent */ - xfs_bmap_free_t *flist, /* list of extents */ - xfs_mount_t *mp) /* mount point structure */ + xfs_filblks_t len) /* length of extent */ { xfs_bmap_free_item_t *cur; /* current (next) element */ xfs_bmap_free_item_t *new; /* new element */ @@ -699,7 +699,7 @@ xfs_bmap_btree_to_extents( cblock = XFS_BUF_TO_BLOCK(cbp); if ((error = xfs_btree_check_block(cur, cblock, 0, cbp))) return error; - xfs_bmap_add_free(cbno, 1, cur->bc_private.b.flist, mp); + xfs_bmap_add_free(mp, cur->bc_private.b.flist, cbno, 1); ip->i_d.di_nblocks--; xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L); xfs_trans_binval(tp, cbp); @@ -5073,8 +5073,8 @@ xfs_bmap_del_extent( * If we need to, add to list of extents to delete. */ if (do_fx) - xfs_bmap_add_free(del->br_startblock, del->br_blockcount, flist, - mp); + xfs_bmap_add_free(mp, flist, del->br_startblock, + del->br_blockcount); /* * Adjust inode # blocks in the file. */ diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 79e3ebe..0b2f72c 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -191,8 +191,8 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt, int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); -void xfs_bmap_add_free(xfs_fsblock_t bno, xfs_filblks_t len, - struct xfs_bmap_free *flist, struct xfs_mount *mp); +void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist, + xfs_fsblock_t bno, xfs_filblks_t len); void xfs_bmap_cancel(struct xfs_bmap_free *flist); int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist, struct xfs_inode *ip); diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 6282f6e..db0c71e 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -526,7 +526,7 @@ xfs_bmbt_free_block( struct xfs_trans *tp = cur->bc_tp; xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); - xfs_bmap_add_free(fsbno, 1, cur->bc_private.b.flist, mp); + xfs_bmap_add_free(mp, cur->bc_private.b.flist, fsbno, 1); ip->i_d.di_nblocks--; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 77b5990..9d0003c 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -1828,9 +1828,8 @@ xfs_difree_inode_chunk( if (!xfs_inobt_issparse(rec->ir_holemask)) { /* not sparse, calculate extent info directly */ - xfs_bmap_add_free(XFS_AGB_TO_FSB(mp, agno, - XFS_AGINO_TO_AGBNO(mp, rec->ir_startino)), - mp->m_ialloc_blks, flist, mp); + xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, sagbno), + mp->m_ialloc_blks); return; } @@ -1873,8 +1872,8 @@ xfs_difree_inode_chunk( ASSERT(agbno % mp->m_sb.sb_spino_align == 0); ASSERT(contigblk % mp->m_sb.sb_spino_align == 0); - xfs_bmap_add_free(XFS_AGB_TO_FSB(mp, agno, agbno), contigblk, - flist, mp); + xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, agbno), + contigblk); /* reset range to current bit and carry on... */ startidx = endidx = nextbit; From darrick.wong@oracle.com Thu Jun 16 20:18:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A4E6A7CC5 for ; Thu, 16 Jun 2016 20:18:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2DE07AC001 for ; 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Fri, 17 Jun 2016 01:18:45 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:45 -0700 Subject: [PATCH 008/119] xfs: separate freelist fixing into a separate helper From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 008/119] xfs: separate freelist fixing into a separate helper To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:18:43 -0700 Message-ID: <146612632363.12839.15504324533944246285.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126328 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4160 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Break up xfs_free_extent() into a helper that fixes the freelist. This helper will be used subsequently to ensure the freelist during deferred rmap processing. Signed-off-by: Dave Chinner [darrick: refactor to put this at the head of the patchset] Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 82 +++++++++++++++++++++++++++++---------------- fs/xfs/libxfs/xfs_alloc.h | 2 + 2 files changed, 55 insertions(+), 29 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 58bdca7..1c76a0e 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2660,55 +2660,79 @@ error0: return error; } -/* - * Free an extent. - * Just break up the extent address and hand off to xfs_free_ag_extent - * after fixing up the freelist. - */ -int /* error */ -xfs_free_extent( - xfs_trans_t *tp, /* transaction pointer */ - xfs_fsblock_t bno, /* starting block number of extent */ - xfs_extlen_t len) /* length of extent */ +/* Ensure that the freelist is at full capacity. */ +int +xfs_free_extent_fix_freelist( + struct xfs_trans *tp, + xfs_agnumber_t agno, + struct xfs_buf **agbp) { - xfs_alloc_arg_t args; - int error; + xfs_alloc_arg_t args; + int error; - ASSERT(len != 0); memset(&args, 0, sizeof(xfs_alloc_arg_t)); args.tp = tp; args.mp = tp->t_mountp; + args.agno = agno; /* * validate that the block number is legal - the enables us to detect * and handle a silent filesystem corruption rather than crashing. */ - args.agno = XFS_FSB_TO_AGNO(args.mp, bno); if (args.agno >= args.mp->m_sb.sb_agcount) return -EFSCORRUPTED; - args.agbno = XFS_FSB_TO_AGBNO(args.mp, bno); - if (args.agbno >= args.mp->m_sb.sb_agblocks) - return -EFSCORRUPTED; - args.pag = xfs_perag_get(args.mp, args.agno); ASSERT(args.pag); error = xfs_alloc_fix_freelist(&args, XFS_ALLOC_FLAG_FREEING); if (error) - goto error0; + goto out; + + *agbp = args.agbp; +out: + xfs_perag_put(args.pag); + return error; +} + +/* + * Free an extent. + * Just break up the extent address and hand off to xfs_free_ag_extent + * after fixing up the freelist. + */ +int /* error */ +xfs_free_extent( + struct xfs_trans *tp, /* transaction pointer */ + xfs_fsblock_t bno, /* starting block number of extent */ + xfs_extlen_t len) /* length of extent */ +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_buf *agbp; + xfs_agnumber_t agno = XFS_FSB_TO_AGNO(mp, bno); + xfs_agblock_t agbno = XFS_FSB_TO_AGBNO(mp, bno); + int error; + + ASSERT(len != 0); + + error = xfs_free_extent_fix_freelist(tp, agno, &agbp); + if (error) + return error; + + XFS_WANT_CORRUPTED_GOTO(mp, agbno < mp->m_sb.sb_agblocks, err); /* validate the extent size is legal now we have the agf locked */ - if (args.agbno + len > - be32_to_cpu(XFS_BUF_TO_AGF(args.agbp)->agf_length)) { - error = -EFSCORRUPTED; - goto error0; - } + XFS_WANT_CORRUPTED_GOTO(mp, + agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length), + err); - error = xfs_free_ag_extent(tp, args.agbp, args.agno, args.agbno, len, 0); - if (!error) - xfs_extent_busy_insert(tp, args.agno, args.agbno, len, 0); -error0: - xfs_perag_put(args.pag); + error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, 0); + if (error) + goto err; + + xfs_extent_busy_insert(tp, agno, agbno, len, 0); + return 0; + +err: + xfs_trans_brelse(tp, agbp); return error; } diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index 92a66ba..cf268b2 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -229,5 +229,7 @@ xfs_alloc_get_rec( int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp, xfs_agnumber_t agno, int flags, struct xfs_buf **bpp); int xfs_alloc_fix_freelist(struct xfs_alloc_arg *args, int flags); +int xfs_free_extent_fix_freelist(struct xfs_trans *tp, xfs_agnumber_t agno, + struct xfs_buf **agbp); #endif /* __XFS_ALLOC_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:18:57 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 13BDC7CA6 for ; Thu, 16 Jun 2016 20:18:57 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id DA6058F804C for ; Thu, 16 Jun 2016 18:18:56 -0700 (PDT) X-ASG-Debug-ID: 1466126334-04cb6c5425570c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id KJKxQWyv5Ey3uctG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:18:54 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Iqq2023822 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:52 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Iq6V013023 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:18:52 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1IpQZ026683; Fri, 17 Jun 2016 01:18:51 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:51 -0700 Subject: [PATCH 009/119] xfs: convert list of extents to free into a regular list From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 009/119] xfs: convert list of extents to free into a regular list To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:18:50 -0700 Message-ID: <146612632997.12839.18026491074892368053.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126334 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7857 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines In struct xfs_bmap_free, convert the open-coded free extent list to a regular list, then use list_sort to sort it prior to processing. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 39 +++++++++++---------------------------- fs/xfs/libxfs/xfs_bmap.h | 14 ++++++++------ fs/xfs/xfs_bmap_util.c | 32 +++++++++++++++++++++++++------- fs/xfs/xfs_bmap_util.h | 1 - fs/xfs/xfs_super.c | 5 +++-- 5 files changed, 47 insertions(+), 44 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index ea7b3df..a5d207a 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -575,9 +575,7 @@ xfs_bmap_add_free( xfs_fsblock_t bno, /* fs block number of extent */ xfs_filblks_t len) /* length of extent */ { - xfs_bmap_free_item_t *cur; /* current (next) element */ - xfs_bmap_free_item_t *new; /* new element */ - xfs_bmap_free_item_t *prev; /* previous element */ + struct xfs_bmap_free_item *new; /* new element */ #ifdef DEBUG xfs_agnumber_t agno; xfs_agblock_t agbno; @@ -597,17 +595,7 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; - for (prev = NULL, cur = flist->xbf_first; - cur != NULL; - prev = cur, cur = cur->xbfi_next) { - if (cur->xbfi_startblock >= bno) - break; - } - if (prev) - prev->xbfi_next = new; - else - flist->xbf_first = new; - new->xbfi_next = cur; + list_add(&new->xbfi_list, &flist->xbf_flist); flist->xbf_count++; } @@ -617,14 +605,10 @@ xfs_bmap_add_free( */ void xfs_bmap_del_free( - xfs_bmap_free_t *flist, /* free item list header */ - xfs_bmap_free_item_t *prev, /* previous item on list, if any */ - xfs_bmap_free_item_t *free) /* list item to be freed */ + struct xfs_bmap_free *flist, /* free item list header */ + struct xfs_bmap_free_item *free) /* list item to be freed */ { - if (prev) - prev->xbfi_next = free->xbfi_next; - else - flist->xbf_first = free->xbfi_next; + list_del(&free->xbfi_list); flist->xbf_count--; kmem_zone_free(xfs_bmap_free_item_zone, free); } @@ -634,17 +618,16 @@ xfs_bmap_del_free( */ void xfs_bmap_cancel( - xfs_bmap_free_t *flist) /* list of bmap_free_items */ + struct xfs_bmap_free *flist) /* list of bmap_free_items */ { - xfs_bmap_free_item_t *free; /* free list item */ - xfs_bmap_free_item_t *next; + struct xfs_bmap_free_item *free; /* free list item */ if (flist->xbf_count == 0) return; - ASSERT(flist->xbf_first != NULL); - for (free = flist->xbf_first; free; free = next) { - next = free->xbfi_next; - xfs_bmap_del_free(flist, NULL, free); + while (!list_empty(&flist->xbf_flist)) { + free = list_first_entry(&flist->xbf_flist, + struct xfs_bmap_free_item, xbfi_list); + xfs_bmap_del_free(flist, free); } ASSERT(flist->xbf_count == 0); } diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 0b2f72c..0ef4c6b 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -62,12 +62,12 @@ struct xfs_bmalloca { * List of extents to be free "later". * The list is kept sorted on xbf_startblock. */ -typedef struct xfs_bmap_free_item +struct xfs_bmap_free_item { xfs_fsblock_t xbfi_startblock;/* starting fs block number */ xfs_extlen_t xbfi_blockcount;/* number of blocks in extent */ - struct xfs_bmap_free_item *xbfi_next; /* link to next entry */ -} xfs_bmap_free_item_t; + struct list_head xbfi_list; +}; /* * Header for free extent list. @@ -85,7 +85,7 @@ typedef struct xfs_bmap_free_item */ typedef struct xfs_bmap_free { - xfs_bmap_free_item_t *xbf_first; /* list of to-be-free extents */ + struct list_head xbf_flist; /* list of to-be-free extents */ int xbf_count; /* count of items on list */ int xbf_low; /* alloc in low mode */ } xfs_bmap_free_t; @@ -141,8 +141,10 @@ static inline int xfs_bmapi_aflag(int w) static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp) { - ((flp)->xbf_first = NULL, (flp)->xbf_count = 0, \ - (flp)->xbf_low = 0, *(fbp) = NULLFSBLOCK); + INIT_LIST_HEAD(&flp->xbf_flist); + flp->xbf_count = 0; + flp->xbf_low = 0; + *fbp = NULLFSBLOCK; } /* diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 28c42fb..1aac0ba 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -79,6 +79,23 @@ xfs_zero_extent( GFP_NOFS, true); } +/* Sort bmap items by AG. */ +static int +xfs_bmap_free_list_cmp( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_mount *mp = priv; + struct xfs_bmap_free_item *ra; + struct xfs_bmap_free_item *rb; + + ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); + rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); + return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - + XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); +} + /* * Routine to be called at transaction's end by xfs_bmapi, xfs_bunmapi * caller. Frees all the extents that need freeing, which must be done @@ -99,14 +116,15 @@ xfs_bmap_finish( int error; /* error return value */ int committed;/* xact committed or not */ struct xfs_bmap_free_item *free; /* free extent item */ - struct xfs_bmap_free_item *next; /* next item on free list */ ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); if (flist->xbf_count == 0) return 0; + list_sort((*tp)->t_mountp, &flist->xbf_flist, xfs_bmap_free_list_cmp); + efi = xfs_trans_get_efi(*tp, flist->xbf_count); - for (free = flist->xbf_first; free; free = free->xbfi_next) + list_for_each_entry(free, &flist->xbf_flist, xbfi_list) xfs_trans_log_efi_extent(*tp, efi, free->xbfi_startblock, free->xbfi_blockcount); @@ -136,15 +154,15 @@ xfs_bmap_finish( * on error. */ efd = xfs_trans_get_efd(*tp, efi, flist->xbf_count); - for (free = flist->xbf_first; free != NULL; free = next) { - next = free->xbfi_next; - + while (!list_empty(&flist->xbf_flist)) { + free = list_first_entry(&flist->xbf_flist, + struct xfs_bmap_free_item, xbfi_list); error = xfs_trans_free_extent(*tp, efd, free->xbfi_startblock, free->xbfi_blockcount); if (error) return error; - xfs_bmap_del_free(flist, NULL, free); + xfs_bmap_del_free(flist, free); } return 0; @@ -797,7 +815,7 @@ xfs_bmap_punch_delalloc_range( if (error) break; - ASSERT(!flist.xbf_count && !flist.xbf_first); + ASSERT(!flist.xbf_count && list_empty(&flist.xbf_flist)); next_block: start_fsb++; remaining--; diff --git a/fs/xfs/xfs_bmap_util.h b/fs/xfs/xfs_bmap_util.h index 1492348..f200714 100644 --- a/fs/xfs/xfs_bmap_util.h +++ b/fs/xfs/xfs_bmap_util.h @@ -41,7 +41,6 @@ int xfs_getbmap(struct xfs_inode *ip, struct getbmapx *bmv, /* functions in xfs_bmap.c that are only needed by xfs_bmap_util.c */ void xfs_bmap_del_free(struct xfs_bmap_free *flist, - struct xfs_bmap_free_item *prev, struct xfs_bmap_free_item *free); int xfs_bmap_extsize_align(struct xfs_mount *mp, struct xfs_bmbt_irec *gotp, struct xfs_bmbt_irec *prevp, xfs_extlen_t extsz, diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 4700f09..09722a7 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1692,8 +1692,9 @@ xfs_init_zones(void) if (!xfs_log_ticket_zone) goto out_free_ioend_bioset; - xfs_bmap_free_item_zone = kmem_zone_init(sizeof(xfs_bmap_free_item_t), - "xfs_bmap_free_item"); + xfs_bmap_free_item_zone = kmem_zone_init( + sizeof(struct xfs_bmap_free_item), + "xfs_bmap_free_item"); if (!xfs_bmap_free_item_zone) goto out_destroy_log_ticket_zone; From darrick.wong@oracle.com Thu Jun 16 20:19:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CF1A37CB4 for ; Thu, 16 Jun 2016 20:19:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9FD92304051 for ; Thu, 16 Jun 2016 18:19:02 -0700 (PDT) X-ASG-Debug-ID: 1466126340-04cb6c5424570d0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id gwedssGVf0XYlwb7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:00 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1IwhD004570 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:18:58 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Iw72006283 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:18:58 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Iw9N026695; Fri, 17 Jun 2016 01:18:58 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:18:57 -0700 Subject: [PATCH 010/119] xfs: create a standard btree size calculator code From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 010/119] xfs: create a standard btree size calculator code To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:18:56 -0700 Message-ID: <146612633632.12839.13314497569643567486.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126340 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2039 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a helper to generate AG btree height calculator functions. This will be used (much) later when we get to the refcount btree. v2: Use a helper function instead of a macro. v3: We can (theoretically) store more than 2^32 records in a btree, so widen the fields to accept that. v4: Don't modify xfs_bmap_worst_indlen; the purpose of /that/ function is to estimate the worst-case number of blocks needed for a bmbt expansion, not to calculate the space required to store nr records. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 27 +++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_btree.h | 3 +++ 2 files changed, 30 insertions(+) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 105979d..5eb4e40 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4156,3 +4156,30 @@ xfs_btree_sblock_verify( return true; } + +/* + * Calculate the number of blocks needed to store a given number of records + * in a short-format (per-AG metadata) btree. + */ +xfs_extlen_t +xfs_btree_calc_size( + struct xfs_mount *mp, + uint *limits, + unsigned long long len) +{ + int level; + int maxrecs; + xfs_extlen_t rval; + + maxrecs = limits[0]; + for (level = 0, rval = 0; len > 0; level++) { + len += maxrecs - 1; + do_div(len, maxrecs); + rval += len; + if (len == 1) + return rval; + if (level == 0) + maxrecs = limits[1]; + } + return rval; +} diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 9a88839..b330f19 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -475,4 +475,7 @@ static inline int xfs_btree_get_level(struct xfs_btree_block *block) bool xfs_btree_sblock_v5hdr_verify(struct xfs_buf *bp); bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs); +xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, + unsigned long long len); + #endif /* __XFS_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:19:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B41457CEC for ; Thu, 16 Jun 2016 20:19:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2EB7FAC004 for ; Thu, 16 Jun 2016 18:19:09 -0700 (PDT) X-ASG-Debug-ID: 1466126346-04cbb01fed69500001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id S4aNIceuijoAJyyU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1J4Kk004879 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:05 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1J42d009198 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:04 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1J49d026740; Fri, 17 Jun 2016 01:19:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:04 -0700 Subject: [PATCH 011/119] xfs: refactor btree maxlevels computation From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 011/119] xfs: refactor btree maxlevels computation To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:02 -0700 Message-ID: <146612634260.12839.10495592169777117935.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126347 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4040 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a common function to calculate the maximum height of a per-AG btree. This will eventually be used by the rmapbt and refcountbt code to calculate appropriate maxlevels values for each. This is important because the verifiers and the transaction block reservations depend on accurate estimates of many blocks are needed to satisfy a btree split. We were mistakenly using the max bnobt height for all the btrees, which creates a dangerous situation since the larger records and keys in an rmapbt make it very possible that the rmapbt will be taller than the bnobt and so we can run out of transaction block reservation. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 15 ++------------- fs/xfs/libxfs/xfs_btree.c | 19 +++++++++++++++++++ fs/xfs/libxfs/xfs_btree.h | 2 ++ fs/xfs/libxfs/xfs_ialloc.c | 19 +++++-------------- 4 files changed, 28 insertions(+), 27 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 1c76a0e..c366889 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -1839,19 +1839,8 @@ void xfs_alloc_compute_maxlevels( xfs_mount_t *mp) /* file system mount structure */ { - int level; - uint maxblocks; - uint maxleafents; - int minleafrecs; - int minnoderecs; - - maxleafents = (mp->m_sb.sb_agblocks + 1) / 2; - minleafrecs = mp->m_alloc_mnr[0]; - minnoderecs = mp->m_alloc_mnr[1]; - maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; - for (level = 1; maxblocks > 1; level++) - maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; - mp->m_ag_maxlevels = level; + mp->m_ag_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_alloc_mnr, + (mp->m_sb.sb_agblocks + 1) / 2); } /* diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 5eb4e40..046fbcf 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4158,6 +4158,25 @@ xfs_btree_sblock_verify( } /* + * Calculate the number of btree levels needed to store a given number of + * records in a short-format btree. + */ +uint +xfs_btree_compute_maxlevels( + struct xfs_mount *mp, + uint *limits, + unsigned long len) +{ + uint level; + unsigned long maxblocks; + + maxblocks = (len + limits[0] - 1) / limits[0]; + for (level = 1; maxblocks > 1; level++) + maxblocks = (maxblocks + limits[1] - 1) / limits[1]; + return level; +} + +/* * Calculate the number of blocks needed to store a given number of records * in a short-format (per-AG metadata) btree. */ diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index b330f19..b955e5d 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -477,5 +477,7 @@ bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs); xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, unsigned long long len); +uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, + unsigned long len); #endif /* __XFS_BTREE_H__ */ diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 9d0003c..cda7269 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -2394,20 +2394,11 @@ void xfs_ialloc_compute_maxlevels( xfs_mount_t *mp) /* file system mount structure */ { - int level; - uint maxblocks; - uint maxleafents; - int minleafrecs; - int minnoderecs; - - maxleafents = (1LL << XFS_INO_AGINO_BITS(mp)) >> - XFS_INODES_PER_CHUNK_LOG; - minleafrecs = mp->m_inobt_mnr[0]; - minnoderecs = mp->m_inobt_mnr[1]; - maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; - for (level = 1; maxblocks > 1; level++) - maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; - mp->m_in_maxlevels = level; + uint inodes; + + inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG; + mp->m_in_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_inobt_mnr, + inodes); } /* From darrick.wong@oracle.com Thu Jun 16 20:19:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E7F397CBE for ; Thu, 16 Jun 2016 20:19:18 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 99790304039 for ; Thu, 16 Jun 2016 18:19:18 -0700 (PDT) X-ASG-Debug-ID: 1466126355-04bdf01e1795820001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 40WiZfLnMI4AbSlk (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:16 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1JDX4005112 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:19:14 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1JDZJ006678 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:13 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JArv006008; Fri, 17 Jun 2016 01:19:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:10 -0700 Subject: [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:08 -0700 Message-ID: <146612634887.12839.6210102273046676244.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126356 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10913 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When a btree block has to be split, we pass the new block's ptr from xfs_btree_split() back to xfs_btree_insert() via a pointer parameter; however, we pass the block's key through the cursor's record. It is a little weird to "initialize" a record from a key since the non-key attributes will have garbage values. When we go to add support for interval queries, we have to be able to pass the lowest and highest keys accessible via a pointer. There's no clean way to pass this back through the cursor's record field. Therefore, pass the key directly back to xfs_btree_insert() the same way that we pass the btree_ptr. As a bonus, we no longer need init_rec_from_key and can drop it from the codebase. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc_btree.c | 12 ---------- fs/xfs/libxfs/xfs_bmap_btree.c | 12 ---------- fs/xfs/libxfs/xfs_btree.c | 44 +++++++++++++++++++------------------- fs/xfs/libxfs/xfs_btree.h | 2 -- fs/xfs/libxfs/xfs_ialloc_btree.c | 10 --------- 5 files changed, 22 insertions(+), 58 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index d9b42425..5ba2dac 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -212,17 +212,6 @@ xfs_allocbt_init_key_from_rec( } STATIC void -xfs_allocbt_init_rec_from_key( - union xfs_btree_key *key, - union xfs_btree_rec *rec) -{ - ASSERT(key->alloc.ar_startblock != 0); - - rec->alloc.ar_startblock = key->alloc.ar_startblock; - rec->alloc.ar_blockcount = key->alloc.ar_blockcount; -} - -STATIC void xfs_allocbt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -406,7 +395,6 @@ static const struct xfs_btree_ops xfs_allocbt_ops = { .get_minrecs = xfs_allocbt_get_minrecs, .get_maxrecs = xfs_allocbt_get_maxrecs, .init_key_from_rec = xfs_allocbt_init_key_from_rec, - .init_rec_from_key = xfs_allocbt_init_rec_from_key, .init_rec_from_cur = xfs_allocbt_init_rec_from_cur, .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, .key_diff = xfs_allocbt_key_diff, diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index db0c71e..714b387 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -600,17 +600,6 @@ xfs_bmbt_init_key_from_rec( } STATIC void -xfs_bmbt_init_rec_from_key( - union xfs_btree_key *key, - union xfs_btree_rec *rec) -{ - ASSERT(key->bmbt.br_startoff != 0); - - xfs_bmbt_disk_set_allf(&rec->bmbt, be64_to_cpu(key->bmbt.br_startoff), - 0, 0, XFS_EXT_NORM); -} - -STATIC void xfs_bmbt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -760,7 +749,6 @@ static const struct xfs_btree_ops xfs_bmbt_ops = { .get_minrecs = xfs_bmbt_get_minrecs, .get_dmaxrecs = xfs_bmbt_get_dmaxrecs, .init_key_from_rec = xfs_bmbt_init_key_from_rec, - .init_rec_from_key = xfs_bmbt_init_rec_from_key, .init_rec_from_cur = xfs_bmbt_init_rec_from_cur, .init_ptr_from_cur = xfs_bmbt_init_ptr_from_cur, .key_diff = xfs_bmbt_key_diff, diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 046fbcf..a096539 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -2862,10 +2862,9 @@ xfs_btree_make_block_unfull( int *index, /* new tree index */ union xfs_btree_ptr *nptr, /* new btree ptr */ struct xfs_btree_cur **ncur, /* new btree cursor */ - union xfs_btree_rec *nrec, /* new record */ + union xfs_btree_key *key, /* key of new block */ int *stat) { - union xfs_btree_key key; /* new btree key value */ int error = 0; if ((cur->bc_flags & XFS_BTREE_ROOT_IN_INODE) && @@ -2910,13 +2909,12 @@ xfs_btree_make_block_unfull( * If this works we have to re-set our variables because we * could be in a different block now. */ - error = xfs_btree_split(cur, level, nptr, &key, ncur, stat); + error = xfs_btree_split(cur, level, nptr, key, ncur, stat); if (error || *stat == 0) return error; *index = cur->bc_ptrs[level]; - cur->bc_ops->init_rec_from_key(&key, nrec); return 0; } @@ -2929,16 +2927,16 @@ xfs_btree_insrec( struct xfs_btree_cur *cur, /* btree cursor */ int level, /* level to insert record at */ union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ - union xfs_btree_rec *recp, /* i/o: record data inserted */ + union xfs_btree_key *key, /* i/o: block key for ptrp */ struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ int *stat) /* success/failure */ { struct xfs_btree_block *block; /* btree block */ struct xfs_buf *bp; /* buffer for block */ - union xfs_btree_key key; /* btree key */ union xfs_btree_ptr nptr; /* new block ptr */ struct xfs_btree_cur *ncur; /* new btree cursor */ - union xfs_btree_rec nrec; /* new record count */ + union xfs_btree_key nkey; /* new block key */ + union xfs_btree_rec rec; /* record to insert */ int optr; /* old key/record index */ int ptr; /* key/record index */ int numrecs;/* number of records */ @@ -2947,8 +2945,14 @@ xfs_btree_insrec( int i; #endif + /* Make a key out of the record data to be inserted, and save it. */ + if (level == 0) { + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(key, &rec); + } + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); - XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, recp); + XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, &rec); ncur = NULL; @@ -2973,9 +2977,6 @@ xfs_btree_insrec( return 0; } - /* Make a key out of the record data to be inserted, and save it. */ - cur->bc_ops->init_key_from_rec(&key, recp); - optr = ptr; XFS_BTREE_STATS_INC(cur, insrec); @@ -2992,10 +2993,10 @@ xfs_btree_insrec( /* Check that the new entry is being inserted in the right place. */ if (ptr <= numrecs) { if (level == 0) { - ASSERT(cur->bc_ops->recs_inorder(cur, recp, + ASSERT(cur->bc_ops->recs_inorder(cur, &rec, xfs_btree_rec_addr(cur, ptr, block))); } else { - ASSERT(cur->bc_ops->keys_inorder(cur, &key, + ASSERT(cur->bc_ops->keys_inorder(cur, key, xfs_btree_key_addr(cur, ptr, block))); } } @@ -3008,7 +3009,7 @@ xfs_btree_insrec( xfs_btree_set_ptr_null(cur, &nptr); if (numrecs == cur->bc_ops->get_maxrecs(cur, level)) { error = xfs_btree_make_block_unfull(cur, level, numrecs, - &optr, &ptr, &nptr, &ncur, &nrec, stat); + &optr, &ptr, &nptr, &ncur, &nkey, stat); if (error || *stat == 0) goto error0; } @@ -3058,7 +3059,7 @@ xfs_btree_insrec( #endif /* Now put the new data in, bump numrecs and log it. */ - xfs_btree_copy_keys(cur, kp, &key, 1); + xfs_btree_copy_keys(cur, kp, key, 1); xfs_btree_copy_ptrs(cur, pp, ptrp, 1); numrecs++; xfs_btree_set_numrecs(block, numrecs); @@ -3079,7 +3080,7 @@ xfs_btree_insrec( xfs_btree_shift_recs(cur, rp, 1, numrecs - ptr + 1); /* Now put the new data in, bump numrecs and log it. */ - xfs_btree_copy_recs(cur, rp, recp, 1); + xfs_btree_copy_recs(cur, rp, &rec, 1); xfs_btree_set_numrecs(block, ++numrecs); xfs_btree_log_recs(cur, bp, ptr, numrecs); #ifdef DEBUG @@ -3095,7 +3096,7 @@ xfs_btree_insrec( /* If we inserted at the start of a block, update the parents' keys. */ if (optr == 1) { - error = xfs_btree_updkey(cur, &key, level + 1); + error = xfs_btree_updkey(cur, key, level + 1); if (error) goto error0; } @@ -3105,7 +3106,7 @@ xfs_btree_insrec( * we are at the far right edge of the tree, update it. */ if (xfs_btree_is_lastrec(cur, block, level)) { - cur->bc_ops->update_lastrec(cur, block, recp, + cur->bc_ops->update_lastrec(cur, block, &rec, ptr, LASTREC_INSREC); } @@ -3115,7 +3116,7 @@ xfs_btree_insrec( */ *ptrp = nptr; if (!xfs_btree_ptr_is_null(cur, &nptr)) { - *recp = nrec; + *key = nkey; *curp = ncur; } @@ -3146,14 +3147,13 @@ xfs_btree_insert( union xfs_btree_ptr nptr; /* new block number (split result) */ struct xfs_btree_cur *ncur; /* new cursor (split result) */ struct xfs_btree_cur *pcur; /* previous level's cursor */ - union xfs_btree_rec rec; /* record to insert */ + union xfs_btree_key key; /* key of block to insert */ level = 0; ncur = NULL; pcur = cur; xfs_btree_set_ptr_null(cur, &nptr); - cur->bc_ops->init_rec_from_cur(cur, &rec); /* * Loop going up the tree, starting at the leaf level. @@ -3165,7 +3165,7 @@ xfs_btree_insert( * Insert nrec/nptr into this level of the tree. * Note if we fail, nptr will be null. */ - error = xfs_btree_insrec(pcur, level, &nptr, &rec, &ncur, &i); + error = xfs_btree_insrec(pcur, level, &nptr, &key, &ncur, &i); if (error) { if (pcur != cur) xfs_btree_del_cursor(pcur, XFS_BTREE_ERROR); diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index b955e5d..b99c018 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -158,8 +158,6 @@ struct xfs_btree_ops { /* init values of btree structures */ void (*init_key_from_rec)(union xfs_btree_key *key, union xfs_btree_rec *rec); - void (*init_rec_from_key)(union xfs_btree_key *key, - union xfs_btree_rec *rec); void (*init_rec_from_cur)(struct xfs_btree_cur *cur, union xfs_btree_rec *rec); void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index 89c21d7..88da2ad 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -146,14 +146,6 @@ xfs_inobt_init_key_from_rec( } STATIC void -xfs_inobt_init_rec_from_key( - union xfs_btree_key *key, - union xfs_btree_rec *rec) -{ - rec->inobt.ir_startino = key->inobt.ir_startino; -} - -STATIC void xfs_inobt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -314,7 +306,6 @@ static const struct xfs_btree_ops xfs_inobt_ops = { .get_minrecs = xfs_inobt_get_minrecs, .get_maxrecs = xfs_inobt_get_maxrecs, .init_key_from_rec = xfs_inobt_init_key_from_rec, - .init_rec_from_key = xfs_inobt_init_rec_from_key, .init_rec_from_cur = xfs_inobt_init_rec_from_cur, .init_ptr_from_cur = xfs_inobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, @@ -336,7 +327,6 @@ static const struct xfs_btree_ops xfs_finobt_ops = { .get_minrecs = xfs_inobt_get_minrecs, .get_maxrecs = xfs_inobt_get_maxrecs, .init_key_from_rec = xfs_inobt_init_key_from_rec, - .init_rec_from_key = xfs_inobt_init_rec_from_key, .init_rec_from_cur = xfs_inobt_init_rec_from_cur, .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, From darrick.wong@oracle.com Thu Jun 16 20:19:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 098ED7CF7 for ; Thu, 16 Jun 2016 20:19:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id CC8B3304039 for ; Thu, 16 Jun 2016 18:19:24 -0700 (PDT) X-ASG-Debug-ID: 1466126360-04cbb01fec69520001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id W99Or6Yj2h7iRM9y (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1JISh024372 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:18 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JIqh013647 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:18 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JHUQ018229; Fri, 17 Jun 2016 01:19:17 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:16 -0700 Subject: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:15 -0700 Message-ID: <146612635526.12839.13865365567940815077.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126360 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 26085 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On a filesystem with both reflink and reverse mapping enabled, it's possible to have multiple rmap records referring to the same blocks on disk. When overlapping intervals are possible, querying a classic btree to find all records intersecting a given interval is inefficient because we cannot use the left side of the search interval to filter out non-matching records the same way that we can use the existing btree key to filter out records coming after the right side of the search interval. This will become important once we want to use the rmap btree to rebuild BMBTs, or implement the (future) fsmap ioctl. (For the non-overlapping case, we can perform such queries trivially by starting at the left side of the interval and walking the tree until we pass the right side.) Therefore, extend the btree code to come closer to supporting intervals as a first-class record attribute. This involves widening the btree node's key space to store both the lowest key reachable via the node pointer (as the btree does now) and the highest key reachable via the same pointer and teaching the btree modifying functions to keep the highest-key records up to date. This behavior can be turned on via a new btree ops flag so that btrees that cannot store overlapping intervals don't pay the overhead costs in terms of extra code and disk format changes. v2: When we're deleting a record in a btree that supports overlapped interval records and the deletion results in two btree blocks being joined, we defer updating the high/low keys until after all possible joining (at higher levels in the tree) have finished. At this point, the btree pointers at all levels have been updated to remove the empty blocks and we can update the low and high keys. When we're doing this, we must be careful to update the keys of all node pointers up to the root instead of stopping at the first set of keys that don't need updating. This is because it's possible for a single deletion to cause joining of multiple levels of tree, and so we need to update everything going back to the root. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 379 +++++++++++++++++++++++++++++++++++++++++---- fs/xfs/libxfs/xfs_btree.h | 16 ++ fs/xfs/xfs_trace.h | 36 ++++ 3 files changed, 395 insertions(+), 36 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index a096539..afcafd6 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -52,6 +52,11 @@ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] +struct xfs_btree_double_key { + union xfs_btree_key low; + union xfs_btree_key high; +}; + STATIC int /* error (0 or EFSCORRUPTED) */ xfs_btree_check_lblock( struct xfs_btree_cur *cur, /* btree cursor */ @@ -428,6 +433,30 @@ xfs_btree_dup_cursor( * into a btree block (xfs_btree_*_offset) or return a pointer to the given * record, key or pointer (xfs_btree_*_addr). Note that all addressing * inside the btree block is done using indices starting at one, not zero! + * + * If XFS_BTREE_OVERLAPPING is set, then this btree supports keys containing + * overlapping intervals. In such a tree, records are still sorted lowest to + * highest and indexed by the smallest key value that refers to the record. + * However, nodes are different: each pointer has two associated keys -- one + * indexing the lowest key available in the block(s) below (the same behavior + * as the key in a regular btree) and another indexing the highest key + * available in the block(s) below. Because records are /not/ sorted by the + * highest key, all leaf block updates require us to compute the highest key + * that matches any record in the leaf and to recursively update the high keys + * in the nodes going further up in the tree, if necessary. Nodes look like + * this: + * + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ + * Non-Leaf: | header | lo1 | hi1 | lo2 | hi2 | ... | ptr 1 | ptr 2 | ... | + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ + * + * To perform an interval query on an overlapped tree, perform the usual + * depth-first search and use the low and high keys to decide if we can skip + * that particular node. If a leaf node is reached, return the records that + * intersect the interval. Note that an interval query may return numerous + * entries. For a non-overlapped tree, simply search for the record associated + * with the lowest key and iterate forward until a non-matching record is + * found. */ /* @@ -445,6 +474,17 @@ static inline size_t xfs_btree_block_len(struct xfs_btree_cur *cur) return XFS_BTREE_SBLOCK_LEN; } +/* Return size of btree block keys for this btree instance. */ +static inline size_t xfs_btree_key_len(struct xfs_btree_cur *cur) +{ + size_t len; + + len = cur->bc_ops->key_len; + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) + len *= 2; + return len; +} + /* * Return size of btree block pointers for this btree instance. */ @@ -475,7 +515,19 @@ xfs_btree_key_offset( int n) { return xfs_btree_block_len(cur) + - (n - 1) * cur->bc_ops->key_len; + (n - 1) * xfs_btree_key_len(cur); +} + +/* + * Calculate offset of the n-th high key in a btree block. + */ +STATIC size_t +xfs_btree_high_key_offset( + struct xfs_btree_cur *cur, + int n) +{ + return xfs_btree_block_len(cur) + + (n - 1) * xfs_btree_key_len(cur) + cur->bc_ops->key_len; } /* @@ -488,7 +540,7 @@ xfs_btree_ptr_offset( int level) { return xfs_btree_block_len(cur) + - cur->bc_ops->get_maxrecs(cur, level) * cur->bc_ops->key_len + + cur->bc_ops->get_maxrecs(cur, level) * xfs_btree_key_len(cur) + (n - 1) * xfs_btree_ptr_len(cur); } @@ -519,6 +571,19 @@ xfs_btree_key_addr( } /* + * Return a pointer to the n-th high key in the btree block. + */ +STATIC union xfs_btree_key * +xfs_btree_high_key_addr( + struct xfs_btree_cur *cur, + int n, + struct xfs_btree_block *block) +{ + return (union xfs_btree_key *) + ((char *)block + xfs_btree_high_key_offset(cur, n)); +} + +/* * Return a pointer to the n-th block pointer in the btree block. */ STATIC union xfs_btree_ptr * @@ -1217,7 +1282,7 @@ xfs_btree_copy_keys( int numkeys) { ASSERT(numkeys >= 0); - memcpy(dst_key, src_key, numkeys * cur->bc_ops->key_len); + memcpy(dst_key, src_key, numkeys * xfs_btree_key_len(cur)); } /* @@ -1263,8 +1328,8 @@ xfs_btree_shift_keys( ASSERT(numkeys >= 0); ASSERT(dir == 1 || dir == -1); - dst_key = (char *)key + (dir * cur->bc_ops->key_len); - memmove(dst_key, key, numkeys * cur->bc_ops->key_len); + dst_key = (char *)key + (dir * xfs_btree_key_len(cur)); + memmove(dst_key, key, numkeys * xfs_btree_key_len(cur)); } /* @@ -1879,6 +1944,180 @@ error0: return error; } +/* Determine the low and high keys of a leaf block */ +STATIC void +xfs_btree_find_leaf_keys( + struct xfs_btree_cur *cur, + struct xfs_btree_block *block, + union xfs_btree_key *low, + union xfs_btree_key *high) +{ + int n; + union xfs_btree_rec *rec; + union xfs_btree_key max_hkey; + union xfs_btree_key hkey; + + rec = xfs_btree_rec_addr(cur, 1, block); + cur->bc_ops->init_key_from_rec(low, rec); + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return; + + cur->bc_ops->init_high_key_from_rec(&max_hkey, rec); + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { + rec = xfs_btree_rec_addr(cur, n, block); + cur->bc_ops->init_high_key_from_rec(&hkey, rec); + if (cur->bc_ops->diff_two_keys(cur, &max_hkey, &hkey) > 0) + max_hkey = hkey; + } + + *high = max_hkey; +} + +/* Determine the low and high keys of a node block */ +STATIC void +xfs_btree_find_node_keys( + struct xfs_btree_cur *cur, + struct xfs_btree_block *block, + union xfs_btree_key *low, + union xfs_btree_key *high) +{ + int n; + union xfs_btree_key *hkey; + union xfs_btree_key *max_hkey; + + *low = *xfs_btree_key_addr(cur, 1, block); + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return; + + max_hkey = xfs_btree_high_key_addr(cur, 1, block); + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { + hkey = xfs_btree_high_key_addr(cur, n, block); + if (cur->bc_ops->diff_two_keys(cur, max_hkey, hkey) > 0) + max_hkey = hkey; + } + + *high = *max_hkey; +} + +/* + * Update parental low & high keys from some block all the way back to the + * root of the btree. + */ +STATIC int +__xfs_btree_updkeys( + struct xfs_btree_cur *cur, + int level, + struct xfs_btree_block *block, + struct xfs_buf *bp0, + bool force_all) +{ + union xfs_btree_key lkey; /* keys from current level */ + union xfs_btree_key hkey; + union xfs_btree_key *nlkey; /* keys from the next level up */ + union xfs_btree_key *nhkey; + struct xfs_buf *bp; + int ptr = -1; + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return 0; + + if (level + 1 >= cur->bc_nlevels) + return 0; + + trace_xfs_btree_updkeys(cur, level, bp0); + + if (level == 0) + xfs_btree_find_leaf_keys(cur, block, &lkey, &hkey); + else + xfs_btree_find_node_keys(cur, block, &lkey, &hkey); + for (level++; level < cur->bc_nlevels; level++) { + block = xfs_btree_get_block(cur, level, &bp); + trace_xfs_btree_updkeys(cur, level, bp); + ptr = cur->bc_ptrs[level]; + nlkey = xfs_btree_key_addr(cur, ptr, block); + nhkey = xfs_btree_high_key_addr(cur, ptr, block); + if (!(cur->bc_ops->diff_two_keys(cur, nlkey, &lkey) != 0 || + cur->bc_ops->diff_two_keys(cur, nhkey, &hkey) != 0) && + !force_all) + break; + memcpy(nlkey, &lkey, cur->bc_ops->key_len); + memcpy(nhkey, &hkey, cur->bc_ops->key_len); + xfs_btree_log_keys(cur, bp, ptr, ptr); + if (level + 1 >= cur->bc_nlevels) + break; + xfs_btree_find_node_keys(cur, block, &lkey, &hkey); + } + + return 0; +} + +/* + * Update all the keys from a sibling block at some level in the cursor back + * to the root, stopping when we find a key pair that doesn't need updating. + */ +STATIC int +xfs_btree_sibling_updkeys( + struct xfs_btree_cur *cur, + int level, + int ptr, + struct xfs_btree_block *block, + struct xfs_buf *bp0) +{ + struct xfs_btree_cur *ncur; + int stat; + int error; + + error = xfs_btree_dup_cursor(cur, &ncur); + if (error) + return error; + + if (level + 1 >= ncur->bc_nlevels) + error = -EDOM; + else if (ptr == XFS_BB_RIGHTSIB) + error = xfs_btree_increment(ncur, level + 1, &stat); + else if (ptr == XFS_BB_LEFTSIB) + error = xfs_btree_decrement(ncur, level + 1, &stat); + else + error = -EBADE; + if (error || !stat) + return error; + + error = __xfs_btree_updkeys(ncur, level, block, bp0, false); + xfs_btree_del_cursor(ncur, XFS_BTREE_NOERROR); + return error; +} + +/* + * Update all the keys from some level in cursor back to the root, stopping + * when we find a key pair that don't need updating. + */ +STATIC int +xfs_btree_updkeys( + struct xfs_btree_cur *cur, + int level) +{ + struct xfs_buf *bp; + struct xfs_btree_block *block; + + block = xfs_btree_get_block(cur, level, &bp); + return __xfs_btree_updkeys(cur, level, block, bp, false); +} + +/* Update all the keys from some level in cursor back to the root. */ +STATIC int +xfs_btree_updkeys_force( + struct xfs_btree_cur *cur, + int level) +{ + struct xfs_buf *bp; + struct xfs_btree_block *block; + + block = xfs_btree_get_block(cur, level, &bp); + return __xfs_btree_updkeys(cur, level, block, bp, true); +} + /* * Update keys at all levels from here to the root along the cursor's path. */ @@ -1893,6 +2132,9 @@ xfs_btree_updkey( union xfs_btree_key *kp; int ptr; + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) + return 0; + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); XFS_BTREE_TRACE_ARGIK(cur, level, keyp); @@ -1970,7 +2212,8 @@ xfs_btree_update( ptr, LASTREC_UPDATE); } - /* Updating first rec in leaf. Pass new key value up to our parent. */ + /* Pass new key value up to our parent. */ + xfs_btree_updkeys(cur, 0); if (ptr == 1) { union xfs_btree_key key; @@ -2149,7 +2392,9 @@ xfs_btree_lshift( rkp = &key; } - /* Update the parent key values of right. */ + /* Update the parent key values of left and right. */ + xfs_btree_sibling_updkeys(cur, level, XFS_BB_LEFTSIB, left, lbp); + xfs_btree_updkeys(cur, level); error = xfs_btree_updkey(cur, rkp, level + 1); if (error) goto error0; @@ -2321,6 +2566,9 @@ xfs_btree_rshift( if (error) goto error1; + /* Update left and right parent pointers */ + xfs_btree_updkeys(cur, level); + xfs_btree_updkeys(tcur, level); error = xfs_btree_updkey(tcur, rkp, level + 1); if (error) goto error1; @@ -2356,7 +2604,7 @@ __xfs_btree_split( struct xfs_btree_cur *cur, int level, union xfs_btree_ptr *ptrp, - union xfs_btree_key *key, + struct xfs_btree_double_key *key, struct xfs_btree_cur **curp, int *stat) /* success/failure */ { @@ -2452,9 +2700,6 @@ __xfs_btree_split( xfs_btree_log_keys(cur, rbp, 1, rrecs); xfs_btree_log_ptrs(cur, rbp, 1, rrecs); - - /* Grab the keys to the entries moved to the right block */ - xfs_btree_copy_keys(cur, key, rkp, 1); } else { /* It's a leaf. Move records. */ union xfs_btree_rec *lrp; /* left record pointer */ @@ -2465,12 +2710,8 @@ __xfs_btree_split( xfs_btree_copy_recs(cur, rrp, lrp, rrecs); xfs_btree_log_recs(cur, rbp, 1, rrecs); - - cur->bc_ops->init_key_from_rec(key, - xfs_btree_rec_addr(cur, 1, right)); } - /* * Find the left block number by looking in the buffer. * Adjust numrecs, sibling pointers. @@ -2484,6 +2725,12 @@ __xfs_btree_split( xfs_btree_set_numrecs(left, lrecs); xfs_btree_set_numrecs(right, xfs_btree_get_numrecs(right) + rrecs); + /* Find the low & high keys for the new block. */ + if (level > 0) + xfs_btree_find_node_keys(cur, right, &key->low, &key->high); + else + xfs_btree_find_leaf_keys(cur, right, &key->low, &key->high); + xfs_btree_log_block(cur, rbp, XFS_BB_ALL_BITS); xfs_btree_log_block(cur, lbp, XFS_BB_NUMRECS | XFS_BB_RIGHTSIB); @@ -2499,6 +2746,10 @@ __xfs_btree_split( xfs_btree_set_sibling(cur, rrblock, &rptr, XFS_BB_LEFTSIB); xfs_btree_log_block(cur, rrbp, XFS_BB_LEFTSIB); } + + /* Update the left block's keys... */ + xfs_btree_updkeys(cur, level); + /* * If the cursor is really in the right block, move it there. * If it's just pointing past the last entry in left, then we'll @@ -2537,7 +2788,7 @@ struct xfs_btree_split_args { struct xfs_btree_cur *cur; int level; union xfs_btree_ptr *ptrp; - union xfs_btree_key *key; + struct xfs_btree_double_key *key; struct xfs_btree_cur **curp; int *stat; /* success/failure */ int result; @@ -2586,7 +2837,7 @@ xfs_btree_split( struct xfs_btree_cur *cur, int level, union xfs_btree_ptr *ptrp, - union xfs_btree_key *key, + struct xfs_btree_double_key *key, struct xfs_btree_cur **curp, int *stat) /* success/failure */ { @@ -2806,27 +3057,27 @@ xfs_btree_new_root( bp = lbp; nptr = 2; } + /* Fill in the new block's btree header and log it. */ xfs_btree_init_block_cur(cur, nbp, cur->bc_nlevels, 2); xfs_btree_log_block(cur, nbp, XFS_BB_ALL_BITS); ASSERT(!xfs_btree_ptr_is_null(cur, &lptr) && !xfs_btree_ptr_is_null(cur, &rptr)); - /* Fill in the key data in the new root. */ if (xfs_btree_get_level(left) > 0) { - xfs_btree_copy_keys(cur, + xfs_btree_find_node_keys(cur, left, xfs_btree_key_addr(cur, 1, new), - xfs_btree_key_addr(cur, 1, left), 1); - xfs_btree_copy_keys(cur, + xfs_btree_high_key_addr(cur, 1, new)); + xfs_btree_find_node_keys(cur, right, xfs_btree_key_addr(cur, 2, new), - xfs_btree_key_addr(cur, 1, right), 1); + xfs_btree_high_key_addr(cur, 2, new)); } else { - cur->bc_ops->init_key_from_rec( - xfs_btree_key_addr(cur, 1, new), - xfs_btree_rec_addr(cur, 1, left)); - cur->bc_ops->init_key_from_rec( - xfs_btree_key_addr(cur, 2, new), - xfs_btree_rec_addr(cur, 1, right)); + xfs_btree_find_leaf_keys(cur, left, + xfs_btree_key_addr(cur, 1, new), + xfs_btree_high_key_addr(cur, 1, new)); + xfs_btree_find_leaf_keys(cur, right, + xfs_btree_key_addr(cur, 2, new), + xfs_btree_high_key_addr(cur, 2, new)); } xfs_btree_log_keys(cur, nbp, 1, 2); @@ -2837,6 +3088,7 @@ xfs_btree_new_root( xfs_btree_ptr_addr(cur, 2, new), &rptr, 1); xfs_btree_log_ptrs(cur, nbp, 1, 2); + /* Fix up the cursor. */ xfs_btree_setbuf(cur, cur->bc_nlevels, nbp); cur->bc_ptrs[cur->bc_nlevels] = nptr; @@ -2862,7 +3114,7 @@ xfs_btree_make_block_unfull( int *index, /* new tree index */ union xfs_btree_ptr *nptr, /* new btree ptr */ struct xfs_btree_cur **ncur, /* new btree cursor */ - union xfs_btree_key *key, /* key of new block */ + struct xfs_btree_double_key *key, /* key of new block */ int *stat) { int error = 0; @@ -2918,6 +3170,22 @@ xfs_btree_make_block_unfull( return 0; } +/* Copy a double key into a btree block. */ +static void +xfs_btree_copy_double_keys( + struct xfs_btree_cur *cur, + int ptr, + struct xfs_btree_block *block, + struct xfs_btree_double_key *key) +{ + memcpy(xfs_btree_key_addr(cur, ptr, block), &key->low, + cur->bc_ops->key_len); + + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) + memcpy(xfs_btree_high_key_addr(cur, ptr, block), &key->high, + cur->bc_ops->key_len); +} + /* * Insert one record/level. Return information to the caller * allowing the next level up to proceed if necessary. @@ -2927,7 +3195,7 @@ xfs_btree_insrec( struct xfs_btree_cur *cur, /* btree cursor */ int level, /* level to insert record at */ union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ - union xfs_btree_key *key, /* i/o: block key for ptrp */ + struct xfs_btree_double_key *key, /* i/o: block key for ptrp */ struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ int *stat) /* success/failure */ { @@ -2935,7 +3203,7 @@ xfs_btree_insrec( struct xfs_buf *bp; /* buffer for block */ union xfs_btree_ptr nptr; /* new block ptr */ struct xfs_btree_cur *ncur; /* new btree cursor */ - union xfs_btree_key nkey; /* new block key */ + struct xfs_btree_double_key nkey; /* new block key */ union xfs_btree_rec rec; /* record to insert */ int optr; /* old key/record index */ int ptr; /* key/record index */ @@ -2944,11 +3212,12 @@ xfs_btree_insrec( #ifdef DEBUG int i; #endif + xfs_daddr_t old_bn; /* Make a key out of the record data to be inserted, and save it. */ if (level == 0) { cur->bc_ops->init_rec_from_cur(cur, &rec); - cur->bc_ops->init_key_from_rec(key, &rec); + cur->bc_ops->init_key_from_rec(&key->low, &rec); } XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); @@ -2983,6 +3252,7 @@ xfs_btree_insrec( /* Get pointers to the btree buffer and block. */ block = xfs_btree_get_block(cur, level, &bp); + old_bn = bp ? bp->b_bn : XFS_BUF_DADDR_NULL; numrecs = xfs_btree_get_numrecs(block); #ifdef DEBUG @@ -2996,7 +3266,7 @@ xfs_btree_insrec( ASSERT(cur->bc_ops->recs_inorder(cur, &rec, xfs_btree_rec_addr(cur, ptr, block))); } else { - ASSERT(cur->bc_ops->keys_inorder(cur, key, + ASSERT(cur->bc_ops->keys_inorder(cur, &key->low, xfs_btree_key_addr(cur, ptr, block))); } } @@ -3059,7 +3329,7 @@ xfs_btree_insrec( #endif /* Now put the new data in, bump numrecs and log it. */ - xfs_btree_copy_keys(cur, kp, key, 1); + xfs_btree_copy_double_keys(cur, ptr, block, key); xfs_btree_copy_ptrs(cur, pp, ptrp, 1); numrecs++; xfs_btree_set_numrecs(block, numrecs); @@ -3095,8 +3365,24 @@ xfs_btree_insrec( xfs_btree_log_block(cur, bp, XFS_BB_NUMRECS); /* If we inserted at the start of a block, update the parents' keys. */ + if (ncur && bp->b_bn != old_bn) { + /* + * We just inserted into a new tree block, which means that + * the key for the block is in nkey, not the tree. + */ + if (level == 0) + xfs_btree_find_leaf_keys(cur, block, &nkey.low, + &nkey.high); + else + xfs_btree_find_node_keys(cur, block, &nkey.low, + &nkey.high); + } else { + /* Updating the left block, do it the standard way. */ + xfs_btree_updkeys(cur, level); + } + if (optr == 1) { - error = xfs_btree_updkey(cur, key, level + 1); + error = xfs_btree_updkey(cur, &key->low, level + 1); if (error) goto error0; } @@ -3147,7 +3433,7 @@ xfs_btree_insert( union xfs_btree_ptr nptr; /* new block number (split result) */ struct xfs_btree_cur *ncur; /* new cursor (split result) */ struct xfs_btree_cur *pcur; /* previous level's cursor */ - union xfs_btree_key key; /* key of block to insert */ + struct xfs_btree_double_key key; /* key of block to insert */ level = 0; ncur = NULL; @@ -3552,6 +3838,7 @@ xfs_btree_delrec( * If we deleted the leftmost entry in the block, update the * key values above us in the tree. */ + xfs_btree_updkeys(cur, level); if (ptr == 1) { error = xfs_btree_updkey(cur, keyp, level + 1); if (error) @@ -3882,6 +4169,16 @@ xfs_btree_delrec( if (level > 0) cur->bc_ptrs[level]--; + /* + * We combined blocks, so we have to update the parent keys if the + * btree supports overlapped intervals. However, bc_ptrs[level + 1] + * points to the old block so that the caller knows which record to + * delete. Therefore, the caller must be savvy enough to call updkeys + * for us if we return stat == 2. The other exit points from this + * function don't require deletions further up the tree, so they can + * call updkeys directly. + */ + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); /* Return value means the next level up has something to do. */ *stat = 2; @@ -3907,6 +4204,7 @@ xfs_btree_delete( int error; /* error return value */ int level; int i; + bool joined = false; XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); @@ -3920,8 +4218,17 @@ xfs_btree_delete( error = xfs_btree_delrec(cur, level, &i); if (error) goto error0; + if (i == 2) + joined = true; } + /* + * If we combined blocks as part of deleting the record, delrec won't + * have updated the parent keys so we have to do that here. + */ + if (joined) + xfs_btree_updkeys_force(cur, 0); + if (i == 0) { for (level = 1; level < cur->bc_nlevels; level++) { if (cur->bc_ptrs[level] == 0) { diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index b99c018..a5ec6c7 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -126,6 +126,9 @@ struct xfs_btree_ops { size_t key_len; size_t rec_len; + /* flags */ + uint flags; + /* cursor operations */ struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); void (*update_cursor)(struct xfs_btree_cur *src, @@ -162,11 +165,21 @@ struct xfs_btree_ops { union xfs_btree_rec *rec); void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, union xfs_btree_ptr *ptr); + void (*init_high_key_from_rec)(union xfs_btree_key *key, + union xfs_btree_rec *rec); /* difference between key value and cursor value */ __int64_t (*key_diff)(struct xfs_btree_cur *cur, union xfs_btree_key *key); + /* + * Difference between key2 and key1 -- positive if key2 > key1, + * negative if key2 < key1, and zero if equal. + */ + __int64_t (*diff_two_keys)(struct xfs_btree_cur *cur, + union xfs_btree_key *key1, + union xfs_btree_key *key2); + const struct xfs_buf_ops *buf_ops; #if defined(DEBUG) || defined(XFS_WARN) @@ -182,6 +195,9 @@ struct xfs_btree_ops { #endif }; +/* btree ops flags */ +#define XFS_BTREE_OPS_OVERLAPPING (1<<0) /* overlapping intervals */ + /* * Reasons for the update_lastrec method to be called. */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 68f27f7..ffea28c 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -38,6 +38,7 @@ struct xlog_recover_item; struct xfs_buf_log_format; struct xfs_inode_log_format; struct xfs_bmbt_irec; +struct xfs_btree_cur; DECLARE_EVENT_CLASS(xfs_attr_list_class, TP_PROTO(struct xfs_attr_list_context *ctx), @@ -2183,6 +2184,41 @@ DEFINE_DISCARD_EVENT(xfs_discard_toosmall); DEFINE_DISCARD_EVENT(xfs_discard_exclude); DEFINE_DISCARD_EVENT(xfs_discard_busy); +/* btree cursor events */ +DECLARE_EVENT_CLASS(xfs_btree_cur_class, + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), + TP_ARGS(cur, level, bp), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_btnum_t, btnum) + __field(int, level) + __field(int, nlevels) + __field(int, ptr) + __field(xfs_daddr_t, daddr) + ), + TP_fast_assign( + __entry->dev = cur->bc_mp->m_super->s_dev; + __entry->btnum = cur->bc_btnum; + __entry->level = level; + __entry->nlevels = cur->bc_nlevels; + __entry->ptr = cur->bc_ptrs[level]; + __entry->daddr = bp->b_bn; + ), + TP_printk("dev %d:%d btnum %d level %d/%d ptr %d daddr 0x%llx", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->btnum, + __entry->level, + __entry->nlevels, + __entry->ptr, + (unsigned long long)__entry->daddr) +) + +#define DEFINE_BTREE_CUR_EVENT(name) \ +DEFINE_EVENT(xfs_btree_cur_class, name, \ + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ + TP_ARGS(cur, level, bp)) +DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:19:30 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 63FB17CBE for ; Thu, 16 Jun 2016 20:19:30 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 14A148F804B for ; Thu, 16 Jun 2016 18:19:30 -0700 (PDT) X-ASG-Debug-ID: 1466126367-04bdf01e1595830001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id NFhsQPxmXdhNvjnk (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:27 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1JOK1024414 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:19:24 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1JOL0006832 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:24 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JNnP022514; Fri, 17 Jun 2016 01:19:23 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:23 -0700 Subject: [PATCH 014/119] xfs: introduce interval queries on btrees From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 014/119] xfs: introduce interval queries on btrees To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:21 -0700 Message-ID: <146612636170.12839.675596870201079078.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126367 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10146 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a function to enable querying of btree records mapping to a range of keys. This will be used in subsequent patches to allow querying the reverse mapping btree to find the extents mapped to a range of physical blocks, though the generic code can be used for any range query. v2: add some shortcuts so that we can jump out of processing once we know there won't be any more records to find. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 249 +++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_btree.h | 22 +++- fs/xfs/xfs_trace.h | 1 3 files changed, 267 insertions(+), 5 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index afcafd6..5f5cf23 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4509,3 +4509,252 @@ xfs_btree_calc_size( } return rval; } + +/* Query a regular btree for all records overlapping a given interval. */ +STATIC int +xfs_btree_simple_query_range( + struct xfs_btree_cur *cur, + union xfs_btree_irec *low_rec, + union xfs_btree_irec *high_rec, + xfs_btree_query_range_fn fn, + void *priv) +{ + union xfs_btree_rec *recp; + union xfs_btree_rec rec; + union xfs_btree_key low_key; + union xfs_btree_key high_key; + union xfs_btree_key rec_key; + __int64_t diff; + int stat; + bool firstrec = true; + int error; + + ASSERT(cur->bc_ops->init_high_key_from_rec); + + /* Find the keys of both ends of the interval. */ + cur->bc_rec = *high_rec; + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(&high_key, &rec); + + cur->bc_rec = *low_rec; + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(&low_key, &rec); + + /* Find the leftmost record. */ + stat = 0; + error = xfs_btree_lookup(cur, XFS_LOOKUP_LE, &stat); + if (error) + goto out; + + while (stat) { + /* Find the record. */ + error = xfs_btree_get_rec(cur, &recp, &stat); + if (error || !stat) + break; + + /* Can we tell if this record is too low? */ + if (firstrec) { + cur->bc_rec = *low_rec; + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); + diff = cur->bc_ops->key_diff(cur, &rec_key); + if (diff < 0) + goto advloop; + } + firstrec = false; + + /* Have we gone past the end? */ + cur->bc_rec = *high_rec; + cur->bc_ops->init_key_from_rec(&rec_key, recp); + diff = cur->bc_ops->key_diff(cur, &rec_key); + if (diff > 0) + break; + + /* Callback */ + error = fn(cur, recp, priv); + if (error < 0 || error == XFS_BTREE_QUERY_RANGE_ABORT) + break; + +advloop: + /* Move on to the next record. */ + error = xfs_btree_increment(cur, 0, &stat); + if (error) + break; + } + +out: + return error; +} + +/* + * Query an overlapped interval btree for all records overlapping a given + * interval. + */ +STATIC int +xfs_btree_overlapped_query_range( + struct xfs_btree_cur *cur, + union xfs_btree_irec *low_rec, + union xfs_btree_irec *high_rec, + xfs_btree_query_range_fn fn, + void *priv) +{ + union xfs_btree_ptr ptr; + union xfs_btree_ptr *pp; + union xfs_btree_key rec_key; + union xfs_btree_key low_key; + union xfs_btree_key high_key; + union xfs_btree_key *lkp; + union xfs_btree_key *hkp; + union xfs_btree_rec rec; + union xfs_btree_rec *recp; + struct xfs_btree_block *block; + __int64_t ldiff; + __int64_t hdiff; + int level; + struct xfs_buf *bp; + int i; + int error; + + /* Find the keys of both ends of the interval. */ + cur->bc_rec = *high_rec; + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(&high_key, &rec); + + cur->bc_rec = *low_rec; + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(&low_key, &rec); + + /* Load the root of the btree. */ + level = cur->bc_nlevels - 1; + cur->bc_ops->init_ptr_from_cur(cur, &ptr); + error = xfs_btree_lookup_get_block(cur, level, &ptr, &block); + if (error) + return error; + xfs_btree_get_block(cur, level, &bp); + trace_xfs_btree_overlapped_query_range(cur, level, bp); +#ifdef DEBUG + error = xfs_btree_check_block(cur, block, level, bp); + if (error) + goto out; +#endif + cur->bc_ptrs[level] = 1; + + while (level < cur->bc_nlevels) { + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); + + if (level == 0) { + /* End of leaf, pop back towards the root. */ + if (cur->bc_ptrs[level] > + be16_to_cpu(block->bb_numrecs)) { +leaf_pop_up: + if (level < cur->bc_nlevels - 1) + cur->bc_ptrs[level + 1]++; + level++; + continue; + } + + recp = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); + + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, + &rec_key); + + cur->bc_ops->init_key_from_rec(&rec_key, recp); + hdiff = cur->bc_ops->diff_two_keys(cur, &rec_key, + &high_key); + + /* If the record matches, callback */ + if (ldiff >= 0 && hdiff >= 0) { + error = fn(cur, recp, priv); + if (error < 0 || + error == XFS_BTREE_QUERY_RANGE_ABORT) + break; + } else if (hdiff < 0) { + /* Record is larger than high key; pop. */ + goto leaf_pop_up; + } + cur->bc_ptrs[level]++; + continue; + } + + /* End of node, pop back towards the root. */ + if (cur->bc_ptrs[level] > be16_to_cpu(block->bb_numrecs)) { +node_pop_up: + if (level < cur->bc_nlevels - 1) + cur->bc_ptrs[level + 1]++; + level++; + continue; + } + + lkp = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); + hkp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level], block); + pp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[level], block); + + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, hkp); + hdiff = cur->bc_ops->diff_two_keys(cur, lkp, &high_key); + + /* If the key matches, drill another level deeper. */ + if (ldiff >= 0 && hdiff >= 0) { + level--; + error = xfs_btree_lookup_get_block(cur, level, pp, + &block); + if (error) + goto out; + xfs_btree_get_block(cur, level, &bp); + trace_xfs_btree_overlapped_query_range(cur, level, bp); +#ifdef DEBUG + error = xfs_btree_check_block(cur, block, level, bp); + if (error) + goto out; +#endif + cur->bc_ptrs[level] = 1; + continue; + } else if (hdiff < 0) { + /* The low key is larger than the upper range; pop. */ + goto node_pop_up; + } + cur->bc_ptrs[level]++; + } + +out: + /* + * If we don't end this function with the cursor pointing at a record + * block, a subsequent non-error cursor deletion will not release + * node-level buffers, causing a buffer leak. This is quite possible + * with a zero-results range query, so release the buffers if we + * failed to return any results. + */ + if (cur->bc_bufs[0] == NULL) { + for (i = 0; i < cur->bc_nlevels; i++) { + if (cur->bc_bufs[i]) { + xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[i]); + cur->bc_bufs[i] = NULL; + cur->bc_ptrs[i] = 0; + cur->bc_ra[i] = 0; + } + } + } + + return error; +} + +/* + * Query a btree for all records overlapping a given interval of keys. The + * supplied function will be called with each record found; return one of the + * XFS_BTREE_QUERY_RANGE_{CONTINUE,ABORT} values or the usual negative error + * code. This function returns XFS_BTREE_QUERY_RANGE_ABORT, zero, or a + * negative error code. + */ +int +xfs_btree_query_range( + struct xfs_btree_cur *cur, + union xfs_btree_irec *low_rec, + union xfs_btree_irec *high_rec, + xfs_btree_query_range_fn fn, + void *priv) +{ + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return xfs_btree_simple_query_range(cur, low_rec, + high_rec, fn, priv); + return xfs_btree_overlapped_query_range(cur, low_rec, high_rec, + fn, priv); +} diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index a5ec6c7..898fee5 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -206,6 +206,12 @@ struct xfs_btree_ops { #define LASTREC_DELREC 2 +union xfs_btree_irec { + xfs_alloc_rec_incore_t a; + xfs_bmbt_irec_t b; + xfs_inobt_rec_incore_t i; +}; + /* * Btree cursor structure. * This collects all information needed by the btree code in one place. @@ -216,11 +222,7 @@ typedef struct xfs_btree_cur struct xfs_mount *bc_mp; /* file system mount struct */ const struct xfs_btree_ops *bc_ops; uint bc_flags; /* btree features - below */ - union { - xfs_alloc_rec_incore_t a; - xfs_bmbt_irec_t b; - xfs_inobt_rec_incore_t i; - } bc_rec; /* current insert/search record value */ + union xfs_btree_irec bc_rec; /* current insert/search record value */ struct xfs_buf *bc_bufs[XFS_BTREE_MAXLEVELS]; /* buf ptr per level */ int bc_ptrs[XFS_BTREE_MAXLEVELS]; /* key/record # */ __uint8_t bc_ra[XFS_BTREE_MAXLEVELS]; /* readahead bits */ @@ -494,4 +496,14 @@ xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, unsigned long len); +/* return codes */ +#define XFS_BTREE_QUERY_RANGE_CONTINUE 0 /* keep iterating */ +#define XFS_BTREE_QUERY_RANGE_ABORT 1 /* stop iterating */ +typedef int (*xfs_btree_query_range_fn)(struct xfs_btree_cur *cur, + union xfs_btree_rec *rec, void *priv); + +int xfs_btree_query_range(struct xfs_btree_cur *cur, + union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, + xfs_btree_query_range_fn fn, void *priv); + #endif /* __XFS_BTREE_H__ */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index ffea28c..f0ac9c9 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2218,6 +2218,7 @@ DEFINE_EVENT(xfs_btree_cur_class, name, \ TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ TP_ARGS(cur, level, bp)) DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); +DEFINE_BTREE_CUR_EVENT(xfs_btree_overlapped_query_range); #endif /* _TRACE_XFS_H */ From darrick.wong@oracle.com Thu Jun 16 20:19:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id ABFF27CB3 for ; Thu, 16 Jun 2016 20:19:35 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6E288304039 for ; Thu, 16 Jun 2016 18:19:35 -0700 (PDT) X-ASG-Debug-ID: 1466126373-04cb6c542757160001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id prCzzL9bCsAtaGhs (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:33 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1JUgq024450 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:31 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JUSF003318 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:30 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JTCx018270; Fri, 17 Jun 2016 01:19:30 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:29 -0700 Subject: [PATCH 015/119] xfs: refactor btree owner change into a separate visit-blocks function From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 015/119] xfs: refactor btree owner change into a separate visit-blocks function To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:28 -0700 Message-ID: <146612636805.12839.15108503251791000478.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126373 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6170 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Refactor the btree_change_owner function into a more generic apparatus which visits all blocks in a btree. We'll use this in a subsequent patch for counting btree blocks for AG reservations. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 141 +++++++++++++++++++++++++++++---------------- fs/xfs/libxfs/xfs_btree.h | 5 ++ 2 files changed, 96 insertions(+), 50 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 5f5cf23..eac876a 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4289,6 +4289,81 @@ xfs_btree_get_rec( return 0; } +/* Visit a block in a btree. */ +STATIC int +xfs_btree_visit_block( + struct xfs_btree_cur *cur, + int level, + xfs_btree_visit_blocks_fn fn, + void *data) +{ + struct xfs_btree_block *block; + struct xfs_buf *bp; + union xfs_btree_ptr rptr; + int error; + + /* do right sibling readahead */ + xfs_btree_readahead(cur, level, XFS_BTCUR_RIGHTRA); + block = xfs_btree_get_block(cur, level, &bp); + + /* process the block */ + error = fn(cur, level, data); + if (error) + return error; + + /* now read rh sibling block for next iteration */ + xfs_btree_get_sibling(cur, block, &rptr, XFS_BB_RIGHTSIB); + if (xfs_btree_ptr_is_null(cur, &rptr)) + return -ENOENT; + + return xfs_btree_lookup_get_block(cur, level, &rptr, &block); +} + + +/* Visit every block in a btree. */ +int +xfs_btree_visit_blocks( + struct xfs_btree_cur *cur, + xfs_btree_visit_blocks_fn fn, + void *data) +{ + union xfs_btree_ptr lptr; + int level; + struct xfs_btree_block *block = NULL; + int error = 0; + + cur->bc_ops->init_ptr_from_cur(cur, &lptr); + + /* for each level */ + for (level = cur->bc_nlevels - 1; level >= 0; level--) { + /* grab the left hand block */ + error = xfs_btree_lookup_get_block(cur, level, &lptr, &block); + if (error) + return error; + + /* readahead the left most block for the next level down */ + if (level > 0) { + union xfs_btree_ptr *ptr; + + ptr = xfs_btree_ptr_addr(cur, 1, block); + xfs_btree_readahead_ptr(cur, ptr, 1); + + /* save for the next iteration of the loop */ + lptr = *ptr; + } + + /* for each buffer in the level */ + do { + error = xfs_btree_visit_block(cur, level, fn, data); + } while (!error); + + if (error != -ENOENT) + return error; + } + + return 0; +} + /* * Change the owner of a btree. * @@ -4313,26 +4388,27 @@ xfs_btree_get_rec( * just queue the modified buffer as delayed write buffer so the transaction * recovery completion writes the changes to disk. */ +struct xfs_btree_block_change_owner_info { + __uint64_t new_owner; + struct list_head *buffer_list; +}; + static int xfs_btree_block_change_owner( struct xfs_btree_cur *cur, int level, - __uint64_t new_owner, - struct list_head *buffer_list) + void *data) { + struct xfs_btree_block_change_owner_info *bbcoi = data; struct xfs_btree_block *block; struct xfs_buf *bp; - union xfs_btree_ptr rptr; - - /* do right sibling readahead */ - xfs_btree_readahead(cur, level, XFS_BTCUR_RIGHTRA); /* modify the owner */ block = xfs_btree_get_block(cur, level, &bp); if (cur->bc_flags & XFS_BTREE_LONG_PTRS) - block->bb_u.l.bb_owner = cpu_to_be64(new_owner); + block->bb_u.l.bb_owner = cpu_to_be64(bbcoi->new_owner); else - block->bb_u.s.bb_owner = cpu_to_be32(new_owner); + block->bb_u.s.bb_owner = cpu_to_be32(bbcoi->new_owner); /* * If the block is a root block hosted in an inode, we might not have a @@ -4346,19 +4422,14 @@ xfs_btree_block_change_owner( xfs_trans_ordered_buf(cur->bc_tp, bp); xfs_btree_log_block(cur, bp, XFS_BB_OWNER); } else { - xfs_buf_delwri_queue(bp, buffer_list); + xfs_buf_delwri_queue(bp, bbcoi->buffer_list); } } else { ASSERT(cur->bc_flags & XFS_BTREE_ROOT_IN_INODE); ASSERT(level == cur->bc_nlevels - 1); } - /* now read rh sibling block for next iteration */ - xfs_btree_get_sibling(cur, block, &rptr, XFS_BB_RIGHTSIB); - if (xfs_btree_ptr_is_null(cur, &rptr)) - return -ENOENT; - - return xfs_btree_lookup_get_block(cur, level, &rptr, &block); + return 0; } int @@ -4367,43 +4438,13 @@ xfs_btree_change_owner( __uint64_t new_owner, struct list_head *buffer_list) { - union xfs_btree_ptr lptr; - int level; - struct xfs_btree_block *block = NULL; - int error = 0; + struct xfs_btree_block_change_owner_info bbcoi; - cur->bc_ops->init_ptr_from_cur(cur, &lptr); + bbcoi.new_owner = new_owner; + bbcoi.buffer_list = buffer_list; - /* for each level */ - for (level = cur->bc_nlevels - 1; level >= 0; level--) { - /* grab the left hand block */ - error = xfs_btree_lookup_get_block(cur, level, &lptr, &block); - if (error) - return error; - - /* readahead the left most block for the next level down */ - if (level > 0) { - union xfs_btree_ptr *ptr; - - ptr = xfs_btree_ptr_addr(cur, 1, block); - xfs_btree_readahead_ptr(cur, ptr, 1); - - /* save for the next iteration of the loop */ - lptr = *ptr; - } - - /* for each buffer in the level */ - do { - error = xfs_btree_block_change_owner(cur, level, - new_owner, - buffer_list); - } while (!error); - - if (error != -ENOENT) - return error; - } - - return 0; + return xfs_btree_visit_blocks(cur, xfs_btree_block_change_owner, + &bbcoi); } /** diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 898fee5..0ec3055 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -506,4 +506,9 @@ int xfs_btree_query_range(struct xfs_btree_cur *cur, union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, xfs_btree_query_range_fn fn, void *priv); +typedef int (*xfs_btree_visit_blocks_fn)(struct xfs_btree_cur *cur, int level, + void *data); +int xfs_btree_visit_blocks(struct xfs_btree_cur *cur, + xfs_btree_visit_blocks_fn fn, void *data); + #endif /* __XFS_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:19:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 57B3C7CDE for ; Thu, 16 Jun 2016 20:19:43 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0A584304048 for ; Thu, 16 Jun 2016 18:19:42 -0700 (PDT) X-ASG-Debug-ID: 1466126378-04cb6c542757170001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id i0NwhvBTNdqE7HTW (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:39 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Jb4Z005312 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:19:37 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1JaTT007078 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:19:37 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1JaFR026955; Fri, 17 Jun 2016 01:19:36 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:35 -0700 Subject: [PATCH 016/119] xfs: move deferred operations into a separate file From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 016/119] xfs: move deferred operations into a separate file To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:34 -0700 Message-ID: <146612637438.12839.12318902006860455847.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126379 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 23928 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines All the code around struct xfs_bmap_free basically implements a deferred operation framework through which we can roll transactions (to unlock buffers and avoid violating lock order rules) while managing all the necessary log redo items. Previously we only used this code to free extents after some sort of mapping operation, but with the advent of rmap and reflink, we suddenly need to do more than that. With that in mind, xfs_bmap_free really becomes a deferred ops control structure. Rename the structure and move the deferred ops into their own file to avoid further bloating of the bmap code. v2: actually sort the work items by AG to avoid deadlocks Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 2 fs/xfs/libxfs/xfs_defer.c | 471 +++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_defer.h | 96 +++++++++ fs/xfs/xfs_defer_item.c | 36 +++ fs/xfs/xfs_super.c | 2 5 files changed, 607 insertions(+) create mode 100644 fs/xfs/libxfs/xfs_defer.c create mode 100644 fs/xfs/libxfs/xfs_defer.h create mode 100644 fs/xfs/xfs_defer_item.c diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 3542d94..ad46a2d 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -39,6 +39,7 @@ xfs-y += $(addprefix libxfs/, \ xfs_btree.o \ xfs_da_btree.o \ xfs_da_format.o \ + xfs_defer.o \ xfs_dir2.o \ xfs_dir2_block.o \ xfs_dir2_data.o \ @@ -66,6 +67,7 @@ xfs-y += xfs_aops.o \ xfs_attr_list.o \ xfs_bmap_util.o \ xfs_buf.o \ + xfs_defer_item.o \ xfs_dir2_readdir.o \ xfs_discard.o \ xfs_error.o \ diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c new file mode 100644 index 0000000..ad14e33e --- /dev/null +++ b/fs/xfs/libxfs/xfs_defer.c @@ -0,0 +1,471 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_bit.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_trans.h" +#include "xfs_trace.h" + +/* + * Deferred Operations in XFS + * + * Due to the way locking rules work in XFS, certain transactions (block + * mapping and unmapping, typically) have permanent reservations so that + * we can roll the transaction to adhere to AG locking order rules and + * to unlock buffers between metadata updates. Prior to rmap/reflink, + * the mapping code had a mechanism to perform these deferrals for + * extents that were going to be freed; this code makes that facility + * more generic. + * + * When adding the reverse mapping and reflink features, it became + * necessary to perform complex remapping multi-transactions to comply + * with AG locking order rules, and to be able to spread a single + * refcount update operation (an operation on an n-block extent can + * update as many as n records!) among multiple transactions. XFS can + * roll a transaction to facilitate this, but using this facility + * requires us to log "intent" items in case log recovery needs to + * redo the operation, and to log "done" items to indicate that redo + * is not necessary. + * + * The xfs_defer_ops structure tracks incoming deferred work (which is + * work that has not yet had an intent logged) in xfs_defer_intake. + * There is one xfs_defer_intake for each type of deferrable + * operation. Each new deferral is placed in the op's intake list, + * where it waits for the caller to finish the deferred operations. + * + * Finishing a set of deferred operations is an involved process. To + * start, we define "rolling a deferred-op transaction" as follows: + * + * > For each xfs_defer_intake, + * - Sort the items on the intake list in AG order. + * - Create a log intent item for that type. + * - Attach to it the items on the intake list. + * - Stash the intent+items for later in an xfs_defer_pending. + * - Attach the xfs_defer_pending to the xfs_defer_ops work list. + * > Roll the transaction. + * + * NOTE: To avoid exceeding the transaction reservation, we limit the + * number of items that we attach to a given xfs_defer_pending. + * + * The actual finishing process looks like this: + * + * > For each xfs_defer_pending in the xfs_defer_ops work list, + * - Roll the deferred-op transaction as above. + * - Create a log done item for that type, and attach it to the + * intent item. + * - For each work item attached to the intent item, + * * Perform the described action. + * * Attach the work item to the log done item. + * * If the result of doing the work was -EAGAIN, log a fresh + * intent item and attach all remaining work items to it. Put + * the xfs_defer_pending item back on the work list, and repeat + * the loop. This allows us to make partial progress even if + * the transaction is too full to finish the job. + * + * The key here is that we must log an intent item for all pending + * work items every time we roll the transaction, and that we must log + * a done item as soon as the work is completed. With this mechanism + * we can perform complex remapping operations, chaining intent items + * as needed. + * + * This is an example of remapping the extent (E, E+B) into file X at + * offset A and dealing with the extent (C, C+B) already being mapped + * there: + * +-------------------------------------------------+ + * | Unmap file X startblock C offset A length B | t0 + * | Intent to reduce refcount for extent (C, B) | + * | Intent to remove rmap (X, C, A, B) | + * | Intent to free extent (D, 1) (bmbt block) | + * | Intent to map (X, A, B) at startblock E | + * +-------------------------------------------------+ + * | Map file X startblock E offset A length B | t1 + * | Done mapping (X, E, A, B) | + * | Intent to increase refcount for extent (E, B) | + * | Intent to add rmap (X, E, A, B) | + * +-------------------------------------------------+ + * | Reduce refcount for extent (C, B) | t2 + * | Done reducing refcount for extent (C, B) | + * | Increase refcount for extent (E, B) | + * | Done increasing refcount for extent (E, B) | + * | Intent to free extent (C, B) | + * | Intent to free extent (F, 1) (refcountbt block) | + * | Intent to remove rmap (F, 1, REFC) | + * +-------------------------------------------------+ + * | Remove rmap (X, C, A, B) | t3 + * | Done removing rmap (X, C, A, B) | + * | Add rmap (X, E, A, B) | + * | Done adding rmap (X, E, A, B) | + * | Remove rmap (F, 1, REFC) | + * | Done removing rmap (F, 1, REFC) | + * +-------------------------------------------------+ + * | Free extent (C, B) | t4 + * | Done freeing extent (C, B) | + * | Free extent (D, 1) | + * | Done freeing extent (D, 1) | + * | Free extent (F, 1) | + * | Done freeing extent (F, 1) | + * +-------------------------------------------------+ + * + * If we should crash before t2 commits, log recovery replays + * the following intent items: + * + * - Intent to reduce refcount for extent (C, B) + * - Intent to remove rmap (X, C, A, B) + * - Intent to free extent (D, 1) (bmbt block) + * - Intent to increase refcount for extent (E, B) + * - Intent to add rmap (X, E, A, B) + * + * In the process of recovering, it should also generate and take care + * of these intent items: + * + * - Intent to free extent (C, B) + * - Intent to free extent (F, 1) (refcountbt block) + * - Intent to remove rmap (F, 1, REFC) + */ + +static const struct xfs_defer_op_type *defer_op_types[XFS_DEFER_OPS_TYPE_MAX]; + +/* + * For each pending item in the intake list, log its intent item and the + * associated extents, then add the entire intake list to the end of + * the pending list. + */ +STATIC void +xfs_defer_intake_work( + struct xfs_trans *tp, + struct xfs_defer_ops *dop) +{ + struct list_head *li; + struct xfs_defer_pending *dfp; + + list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { + dfp->dfp_intent = dfp->dfp_type->create_intent(tp, + dfp->dfp_count); + list_sort(tp->t_mountp, &dfp->dfp_work, + dfp->dfp_type->diff_items); + list_for_each(li, &dfp->dfp_work) + dfp->dfp_type->log_item(tp, dfp->dfp_intent, li); + } + + list_splice_tail_init(&dop->dop_intake, &dop->dop_pending); +} + +/* Abort all the intents that were committed. */ +STATIC void +xfs_defer_trans_abort( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + int error) +{ + struct xfs_defer_pending *dfp; + + /* + * If the transaction was committed, drop the intent reference + * since we're bailing out of here. The other reference is + * dropped when the intent hits the AIL. If the transaction + * was not committed, the intent is freed by the intent item + * unlock handler on abort. + */ + if (!dop->dop_committed) + return; + + /* Abort intent items. */ + list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { + if (dfp->dfp_committed) + dfp->dfp_type->abort_intent(dfp->dfp_intent); + } + + /* Shut down FS. */ + xfs_force_shutdown(tp->t_mountp, (error == -EFSCORRUPTED) ? + SHUTDOWN_CORRUPT_INCORE : SHUTDOWN_META_IO_ERROR); +} + +/* Roll a transaction so we can do some deferred op processing. */ +STATIC int +xfs_defer_trans_roll( + struct xfs_trans **tp, + struct xfs_defer_ops *dop, + struct xfs_inode *ip) +{ + int i; + int error; + + /* Log all the joined inodes except the one we passed in. */ + for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) { + if (dop->dop_inodes[i] == ip) + continue; + xfs_trans_log_inode(*tp, dop->dop_inodes[i], XFS_ILOG_CORE); + } + + /* Roll the transaction. */ + error = xfs_trans_roll(tp, ip); + if (error) { + xfs_defer_trans_abort(*tp, dop, error); + return error; + } + dop->dop_committed = true; + + /* Log all the joined inodes except the one we passed in. */ + for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) { + if (dop->dop_inodes[i] == ip) + continue; + xfs_trans_ijoin(*tp, dop->dop_inodes[i], 0); + } + + return error; +} + +/* Do we have any work items to finish? */ +bool +xfs_defer_has_unfinished_work( + struct xfs_defer_ops *dop) +{ + return !list_empty(&dop->dop_pending) || !list_empty(&dop->dop_intake); +} + +/* + * Add this inode to the deferred op. Each joined inode is relogged + * each time we roll the transaction, in addition to any inode passed + * to xfs_defer_finish(). + */ +int +xfs_defer_join( + struct xfs_defer_ops *dop, + struct xfs_inode *ip) +{ + int i; + + for (i = 0; i < XFS_DEFER_OPS_NR_INODES; i++) { + if (dop->dop_inodes[i] == ip) + return 0; + else if (dop->dop_inodes[i] == NULL) { + dop->dop_inodes[i] = ip; + return 0; + } + } + + return -EFSCORRUPTED; +} + +/* + * Finish all the pending work. This involves logging intent items for + * any work items that wandered in since the last transaction roll (if + * one has even happened), rolling the transaction, and finishing the + * work items in the first item on the logged-and-pending list. + * + * If an inode is provided, relog it to the new transaction. + */ +int +xfs_defer_finish( + struct xfs_trans **tp, + struct xfs_defer_ops *dop, + struct xfs_inode *ip) +{ + struct xfs_defer_pending *dfp; + struct list_head *li; + struct list_head *n; + void *done_item = NULL; + void *state; + int error = 0; + void (*cleanup_fn)(struct xfs_trans *, void *, int); + + ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); + + /* Until we run out of pending work to finish... */ + while (xfs_defer_has_unfinished_work(dop)) { + /* Log intents for work items sitting in the intake. */ + xfs_defer_intake_work(*tp, dop); + + /* Roll the transaction. */ + error = xfs_defer_trans_roll(tp, dop, ip); + if (error) + goto out; + + /* Mark all pending intents as committed. */ + list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { + if (dfp->dfp_committed) + break; + dfp->dfp_committed = true; + } + + /* Log an intent-done item for the first pending item. */ + dfp = list_first_entry(&dop->dop_pending, + struct xfs_defer_pending, dfp_list); + done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, + dfp->dfp_count); + cleanup_fn = dfp->dfp_type->finish_cleanup; + + /* Finish the work items. */ + state = NULL; + list_for_each_safe(li, n, &dfp->dfp_work) { + list_del(li); + dfp->dfp_count--; + error = dfp->dfp_type->finish_item(*tp, dop, li, + done_item, &state); + if (error == -EAGAIN) { + /* + * If the caller needs to try again, put the + * item back on the pending list and jump out + * for further processing. + */ + list_add(li, &dfp->dfp_work); + dfp->dfp_count++; + break; + } else if (error) { + /* + * Clean up after ourselves and jump out. + * xfs_defer_cancel will take care of freeing + * all these lists and stuff. + */ + if (cleanup_fn) + cleanup_fn(*tp, state, error); + xfs_defer_trans_abort(*tp, dop, error); + goto out; + } + } + if (error == -EAGAIN) { + /* + * Log a new intent, relog all the remaining work + * item to the new intent, attach the new intent to + * the dfp, and leave the dfp at the head of the list + * for further processing. + */ + dfp->dfp_intent = dfp->dfp_type->create_intent(*tp, + dfp->dfp_count); + list_for_each(li, &dfp->dfp_work) + dfp->dfp_type->log_item(*tp, dfp->dfp_intent, + li); + } else { + /* Done with the dfp, free it. */ + list_del(&dfp->dfp_list); + kmem_free(dfp); + } + + if (cleanup_fn) + cleanup_fn(*tp, state, error); + } + +out: + return error; +} + +/* + * Free up any items left in the list. + */ +void +xfs_defer_cancel( + struct xfs_defer_ops *dop) +{ + struct xfs_defer_pending *dfp; + struct xfs_defer_pending *pli; + struct list_head *pwi; + struct list_head *n; + + /* + * Free the pending items. Caller should already have arranged + * for the intent items to be released. + */ + list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { + list_del(&dfp->dfp_list); + list_for_each_safe(pwi, n, &dfp->dfp_work) { + list_del(pwi); + dfp->dfp_count--; + dfp->dfp_type->cancel_item(pwi); + } + ASSERT(dfp->dfp_count == 0); + kmem_free(dfp); + } + list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { + list_del(&dfp->dfp_list); + list_for_each_safe(pwi, n, &dfp->dfp_work) { + list_del(pwi); + dfp->dfp_count--; + dfp->dfp_type->cancel_item(pwi); + } + ASSERT(dfp->dfp_count == 0); + kmem_free(dfp); + } +} + +/* Add an item for later deferred processing. */ +void +xfs_defer_add( + struct xfs_defer_ops *dop, + enum xfs_defer_ops_type type, + struct list_head *li) +{ + struct xfs_defer_pending *dfp = NULL; + + /* + * Add the item to a pending item at the end of the intake list. + * If the last pending item has the same type, reuse it. Else, + * create a new pending item at the end of the intake list. + */ + if (!list_empty(&dop->dop_intake)) { + dfp = list_last_entry(&dop->dop_intake, + struct xfs_defer_pending, dfp_list); + if (dfp->dfp_type->type != type || + (dfp->dfp_type->max_items && + dfp->dfp_count >= dfp->dfp_type->max_items)) + dfp = NULL; + } + if (!dfp) { + dfp = kmem_alloc(sizeof(struct xfs_defer_pending), + KM_SLEEP | KM_NOFS); + dfp->dfp_type = defer_op_types[type]; + dfp->dfp_committed = false; + dfp->dfp_intent = NULL; + dfp->dfp_count = 0; + INIT_LIST_HEAD(&dfp->dfp_work); + list_add_tail(&dfp->dfp_list, &dop->dop_intake); + } + + list_add_tail(li, &dfp->dfp_work); + dfp->dfp_count++; +} + +/* Initialize a deferred operation list. */ +void +xfs_defer_init_op_type( + const struct xfs_defer_op_type *type) +{ + defer_op_types[type->type] = type; +} + +/* Initialize a deferred operation. */ +void +xfs_defer_init( + struct xfs_defer_ops *dop, + xfs_fsblock_t *fbp) +{ + dop->dop_committed = false; + dop->dop_low = false; + memset(&dop->dop_inodes, 0, sizeof(dop->dop_inodes)); + *fbp = NULLFSBLOCK; + INIT_LIST_HEAD(&dop->dop_intake); + INIT_LIST_HEAD(&dop->dop_pending); +} diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h new file mode 100644 index 0000000..85c7a3a --- /dev/null +++ b/fs/xfs/libxfs/xfs_defer.h @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_DEFER_H__ +#define __XFS_DEFER_H__ + +struct xfs_defer_op_type; + +/* + * Save a log intent item and a list of extents, so that we can replay + * whatever action had to happen to the extent list and file the log done + * item. + */ +struct xfs_defer_pending { + const struct xfs_defer_op_type *dfp_type; /* function pointers */ + struct list_head dfp_list; /* pending items */ + bool dfp_committed; /* committed trans? */ + void *dfp_intent; /* log intent item */ + struct list_head dfp_work; /* work items */ + unsigned int dfp_count; /* # extent items */ +}; + +/* + * Header for deferred operation list. + * + * dop_low is used by the allocator to activate the lowspace algorithm - + * when free space is running low the extent allocator may choose to + * allocate an extent from an AG without leaving sufficient space for + * a btree split when inserting the new extent. In this case the allocator + * will enable the lowspace algorithm which is supposed to allow further + * allocations (such as btree splits and newroots) to allocate from + * sequential AGs. In order to avoid locking AGs out of order the lowspace + * algorithm will start searching for free space from AG 0. If the correct + * transaction reservations have been made then this algorithm will eventually + * find all the space it needs. + */ +enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_MAX, +}; + +#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */ + +struct xfs_defer_ops { + bool dop_committed; /* did any trans commit? */ + bool dop_low; /* alloc in low mode */ + struct list_head dop_intake; /* unlogged pending work */ + struct list_head dop_pending; /* logged pending work */ + + /* relog these inodes with each roll */ + struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES]; +}; + +void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type, + struct list_head *h); +int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop, + struct xfs_inode *ip); +void xfs_defer_cancel(struct xfs_defer_ops *dop); +void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp); +bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop); +int xfs_defer_join(struct xfs_defer_ops *dop, struct xfs_inode *ip); + +/* Description of a deferred type. */ +struct xfs_defer_op_type { + enum xfs_defer_ops_type type; + unsigned int max_items; + void (*abort_intent)(void *); + void *(*create_done)(struct xfs_trans *, void *, unsigned int); + int (*finish_item)(struct xfs_trans *, struct xfs_defer_ops *, + struct list_head *, void *, void **); + void (*finish_cleanup)(struct xfs_trans *, void *, int); + void (*cancel_item)(struct list_head *); + int (*diff_items)(void *, struct list_head *, struct list_head *); + void *(*create_intent)(struct xfs_trans *, uint); + void (*log_item)(struct xfs_trans *, void *, struct list_head *); +}; + +void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); +void xfs_defer_init_types(void); + +#endif /* __XFS_DEFER_H__ */ diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c new file mode 100644 index 0000000..849088d --- /dev/null +++ b/fs/xfs/xfs_defer_item.c @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_bit.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_trans.h" + +/* Initialize the deferred operation types. */ +void +xfs_defer_init_types(void) +{ +} diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 09722a7..bf63f6d 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -46,6 +46,7 @@ #include "xfs_quota.h" #include "xfs_sysfs.h" #include "xfs_ondisk.h" +#include "xfs_defer.h" #include #include @@ -1850,6 +1851,7 @@ init_xfs_fs(void) printk(KERN_INFO XFS_VERSION_STRING " with " XFS_BUILD_OPTIONS " enabled\n"); + xfs_defer_init_types(); xfs_dir_startup(); error = xfs_init_zones(); From darrick.wong@oracle.com Thu Jun 16 20:19:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A0CE17CB5 for ; Thu, 16 Jun 2016 20:19:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 71AD28F804B for ; Thu, 16 Jun 2016 18:19:51 -0700 (PDT) X-ASG-Debug-ID: 1466126385-04cbb01fec69550001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id mmedWZcN8Sv6N4wF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:49 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1JhZB005388 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:44 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JhXo003580 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:43 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JgF3018321; Fri, 17 Jun 2016 01:19:43 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:42 -0700 Subject: [PATCH 017/119] xfs: add tracepoints for the deferred ops mechanism From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 017/119] xfs: add tracepoints for the deferred ops mechanism To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:40 -0700 Message-ID: <146612638080.12839.2097094526348177968.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126389 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11202 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add tracepoints for the internals of the deferred ops mechanism and tracepoint classes for clients of the dops, to make debugging easier. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_defer.c | 19 ++++ fs/xfs/xfs_defer_item.c | 1 fs/xfs/xfs_trace.c | 1 fs/xfs/xfs_trace.h | 198 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 219 insertions(+) diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index ad14e33e..b4e7faa 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -163,6 +163,7 @@ xfs_defer_intake_work( struct xfs_defer_pending *dfp; list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { + trace_xfs_defer_intake_work(tp->t_mountp, dfp); dfp->dfp_intent = dfp->dfp_type->create_intent(tp, dfp->dfp_count); list_sort(tp->t_mountp, &dfp->dfp_work, @@ -183,6 +184,7 @@ xfs_defer_trans_abort( { struct xfs_defer_pending *dfp; + trace_xfs_defer_trans_abort(tp->t_mountp, dop); /* * If the transaction was committed, drop the intent reference * since we're bailing out of here. The other reference is @@ -195,6 +197,7 @@ xfs_defer_trans_abort( /* Abort intent items. */ list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { + trace_xfs_defer_pending_abort(tp->t_mountp, dfp); if (dfp->dfp_committed) dfp->dfp_type->abort_intent(dfp->dfp_intent); } @@ -221,9 +224,12 @@ xfs_defer_trans_roll( xfs_trans_log_inode(*tp, dop->dop_inodes[i], XFS_ILOG_CORE); } + trace_xfs_defer_trans_roll((*tp)->t_mountp, dop); + /* Roll the transaction. */ error = xfs_trans_roll(tp, ip); if (error) { + trace_xfs_defer_trans_roll_error((*tp)->t_mountp, dop, error); xfs_defer_trans_abort(*tp, dop, error); return error; } @@ -295,6 +301,8 @@ xfs_defer_finish( ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); + trace_xfs_defer_finish((*tp)->t_mountp, dop); + /* Until we run out of pending work to finish... */ while (xfs_defer_has_unfinished_work(dop)) { /* Log intents for work items sitting in the intake. */ @@ -309,12 +317,14 @@ xfs_defer_finish( list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { if (dfp->dfp_committed) break; + trace_xfs_defer_pending_commit((*tp)->t_mountp, dfp); dfp->dfp_committed = true; } /* Log an intent-done item for the first pending item. */ dfp = list_first_entry(&dop->dop_pending, struct xfs_defer_pending, dfp_list); + trace_xfs_defer_pending_finish((*tp)->t_mountp, dfp); done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, dfp->dfp_count); cleanup_fn = dfp->dfp_type->finish_cleanup; @@ -370,6 +380,10 @@ xfs_defer_finish( } out: + if (error) + trace_xfs_defer_finish_error((*tp)->t_mountp, dop, error); + else + trace_xfs_defer_finish_done((*tp)->t_mountp, dop); return error; } @@ -385,11 +399,14 @@ xfs_defer_cancel( struct list_head *pwi; struct list_head *n; + trace_xfs_defer_cancel(NULL, dop); + /* * Free the pending items. Caller should already have arranged * for the intent items to be released. */ list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { + trace_xfs_defer_intake_cancel(NULL, dfp); list_del(&dfp->dfp_list); list_for_each_safe(pwi, n, &dfp->dfp_work) { list_del(pwi); @@ -400,6 +417,7 @@ xfs_defer_cancel( kmem_free(dfp); } list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { + trace_xfs_defer_pending_cancel(NULL, dfp); list_del(&dfp->dfp_list); list_for_each_safe(pwi, n, &dfp->dfp_work) { list_del(pwi); @@ -468,4 +486,5 @@ xfs_defer_init( *fbp = NULLFSBLOCK; INIT_LIST_HEAD(&dop->dop_intake); INIT_LIST_HEAD(&dop->dop_pending); + trace_xfs_defer_init(NULL, dop); } diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c index 849088d..4c2ba28 100644 --- a/fs/xfs/xfs_defer_item.c +++ b/fs/xfs/xfs_defer_item.c @@ -28,6 +28,7 @@ #include "xfs_mount.h" #include "xfs_defer.h" #include "xfs_trans.h" +#include "xfs_trace.h" /* Initialize the deferred operation types. */ void diff --git a/fs/xfs/xfs_trace.c b/fs/xfs/xfs_trace.c index 13a0298..3971527 100644 --- a/fs/xfs/xfs_trace.c +++ b/fs/xfs/xfs_trace.c @@ -22,6 +22,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_inode.h" #include "xfs_btree.h" diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index f0ac9c9..5923014 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2220,6 +2220,204 @@ DEFINE_EVENT(xfs_btree_cur_class, name, \ DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); DEFINE_BTREE_CUR_EVENT(xfs_btree_overlapped_query_range); +/* deferred ops */ +struct xfs_defer_pending; +struct xfs_defer_intake; +struct xfs_defer_ops; + +DECLARE_EVENT_CLASS(xfs_defer_class, + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop), + TP_ARGS(mp, dop), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(void *, dop) + __field(bool, committed) + __field(bool, low) + ), + TP_fast_assign( + __entry->dev = mp ? mp->m_super->s_dev : 0; + __entry->dop = dop; + __entry->committed = dop->dop_committed; + __entry->low = dop->dop_low; + ), + TP_printk("dev %d:%d ops %p committed %d low %d\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->dop, + __entry->committed, + __entry->low) +) +#define DEFINE_DEFER_EVENT(name) \ +DEFINE_EVENT(xfs_defer_class, name, \ + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop), \ + TP_ARGS(mp, dop)) + +DECLARE_EVENT_CLASS(xfs_defer_error_class, + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop, int error), + TP_ARGS(mp, dop, error), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(void *, dop) + __field(bool, committed) + __field(bool, low) + __field(int, error) + ), + TP_fast_assign( + __entry->dev = mp ? mp->m_super->s_dev : 0; + __entry->dop = dop; + __entry->committed = dop->dop_committed; + __entry->low = dop->dop_low; + __entry->error = error; + ), + TP_printk("dev %d:%d ops %p committed %d low %d err %d\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->dop, + __entry->committed, + __entry->low, + __entry->error) +) +#define DEFINE_DEFER_ERROR_EVENT(name) \ +DEFINE_EVENT(xfs_defer_error_class, name, \ + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop, int error), \ + TP_ARGS(mp, dop, error)) + +DECLARE_EVENT_CLASS(xfs_defer_pending_class, + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_pending *dfp), + TP_ARGS(mp, dfp), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(int, type) + __field(void *, intent) + __field(bool, committed) + __field(int, nr) + ), + TP_fast_assign( + __entry->dev = mp ? mp->m_super->s_dev : 0; + __entry->type = dfp->dfp_type->type; + __entry->intent = dfp->dfp_intent; + __entry->committed = dfp->dfp_committed; + __entry->nr = dfp->dfp_count; + ), + TP_printk("dev %d:%d optype %d intent %p committed %d nr %d\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->type, + __entry->intent, + __entry->committed, + __entry->nr) +) +#define DEFINE_DEFER_PENDING_EVENT(name) \ +DEFINE_EVENT(xfs_defer_pending_class, name, \ + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_pending *dfp), \ + TP_ARGS(mp, dfp)) + +DECLARE_EVENT_CLASS(xfs_phys_extent_deferred_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + int type, xfs_agblock_t agbno, xfs_extlen_t len), + TP_ARGS(mp, agno, type, agbno, len), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(int, type) + __field(xfs_agblock_t, agbno) + __field(xfs_extlen_t, len) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->type = type; + __entry->agbno = agbno; + __entry->len = len; + ), + TP_printk("dev %d:%d op %d agno %u agbno %u len %u", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->type, + __entry->agno, + __entry->agbno, + __entry->len) +); +#define DEFINE_PHYS_EXTENT_DEFERRED_EVENT(name) \ +DEFINE_EVENT(xfs_phys_extent_deferred_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + int type, \ + xfs_agblock_t bno, \ + xfs_extlen_t len), \ + TP_ARGS(mp, agno, type, bno, len)) + +DECLARE_EVENT_CLASS(xfs_map_extent_deferred_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + int op, + xfs_agblock_t agbno, + xfs_ino_t ino, + int whichfork, + xfs_fileoff_t offset, + xfs_filblks_t len, + xfs_exntst_t state), + TP_ARGS(mp, agno, op, agbno, ino, whichfork, offset, len, state), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_ino_t, ino) + __field(xfs_agblock_t, agbno) + __field(int, whichfork) + __field(xfs_fileoff_t, l_loff) + __field(xfs_filblks_t, l_len) + __field(xfs_exntst_t, l_state) + __field(int, op) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->ino = ino; + __entry->agbno = agbno; + __entry->whichfork = whichfork; + __entry->l_loff = offset; + __entry->l_len = len; + __entry->l_state = state; + __entry->op = op; + ), + TP_printk("dev %d:%d op %d agno %u agbno %u owner %lld %s offset %llu len %llu state %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->op, + __entry->agno, + __entry->agbno, + __entry->ino, + __entry->whichfork == XFS_ATTR_FORK ? "attr" : "data", + __entry->l_loff, + __entry->l_len, + __entry->l_state) +); +#define DEFINE_MAP_EXTENT_DEFERRED_EVENT(name) \ +DEFINE_EVENT(xfs_map_extent_deferred_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + int op, \ + xfs_agblock_t agbno, \ + xfs_ino_t ino, \ + int whichfork, \ + xfs_fileoff_t offset, \ + xfs_filblks_t len, \ + xfs_exntst_t state), \ + TP_ARGS(mp, agno, op, agbno, ino, whichfork, offset, len, state)) + +DEFINE_DEFER_EVENT(xfs_defer_init); +DEFINE_DEFER_EVENT(xfs_defer_cancel); +DEFINE_DEFER_EVENT(xfs_defer_trans_roll); +DEFINE_DEFER_EVENT(xfs_defer_trans_abort); +DEFINE_DEFER_EVENT(xfs_defer_finish); +DEFINE_DEFER_EVENT(xfs_defer_finish_done); + +DEFINE_DEFER_ERROR_EVENT(xfs_defer_trans_roll_error); +DEFINE_DEFER_ERROR_EVENT(xfs_defer_finish_error); +DEFINE_DEFER_ERROR_EVENT(xfs_defer_op_finish_error); + +DEFINE_DEFER_PENDING_EVENT(xfs_defer_intake_work); +DEFINE_DEFER_PENDING_EVENT(xfs_defer_intake_cancel); +DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_commit); +DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_cancel); +DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_finish); +DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_abort); + +DEFINE_PHYS_EXTENT_DEFERRED_EVENT(xfs_defer_phys_extent); +DEFINE_MAP_EXTENT_DEFERRED_EVENT(xfs_defer_map_extent); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:19:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6206F7D0E for ; Thu, 16 Jun 2016 20:19:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id EF8B0AC001 for ; Thu, 16 Jun 2016 18:19:54 -0700 (PDT) X-ASG-Debug-ID: 1466126393-04bdf01e1795870001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id gDkNIcjVSgjofmv2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:19:53 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Jp8G005405 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:52 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Jpdk014310 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:51 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JnWb006275; Fri, 17 Jun 2016 01:19:50 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:48 -0700 Subject: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:47 -0700 Message-ID: <146612638717.12839.11007379793448761871.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126393 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3836 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_MV0249, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 2.00 BSF_SC0_MV0249 Custom rule MV0249 Connect the xfs_defer mechanism with the pieces that we'll need to handle deferred extent freeing. We'll wire up the existing code to our new deferred mechanism later. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_defer.h | 1 fs/xfs/xfs_defer_item.c | 108 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 109 insertions(+) diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h index 85c7a3a..743fc32 100644 --- a/fs/xfs/libxfs/xfs_defer.h +++ b/fs/xfs/libxfs/xfs_defer.h @@ -51,6 +51,7 @@ struct xfs_defer_pending { * find all the space it needs. */ enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_FREE, XFS_DEFER_OPS_TYPE_MAX, }; diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c index 4c2ba28..127a54e 100644 --- a/fs/xfs/xfs_defer_item.c +++ b/fs/xfs/xfs_defer_item.c @@ -29,9 +29,117 @@ #include "xfs_defer.h" #include "xfs_trans.h" #include "xfs_trace.h" +#include "xfs_bmap.h" +#include "xfs_extfree_item.h" + +/* Extent Freeing */ + +/* Sort bmap items by AG. */ +static int +xfs_bmap_free_diff_items( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_mount *mp = priv; + struct xfs_bmap_free_item *ra; + struct xfs_bmap_free_item *rb; + + ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); + rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); + return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - + XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); +} + +/* Get an EFI. */ +STATIC void * +xfs_bmap_free_create_intent( + struct xfs_trans *tp, + unsigned int count) +{ + return xfs_trans_get_efi(tp, count); +} + +/* Log a free extent to the intent item. */ +STATIC void +xfs_bmap_free_log_item( + struct xfs_trans *tp, + void *intent, + struct list_head *item) +{ + struct xfs_bmap_free_item *free; + + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); + xfs_trans_log_efi_extent(tp, intent, free->xbfi_startblock, + free->xbfi_blockcount); +} + +/* Get an EFD so we can process all the free extents. */ +STATIC void * +xfs_bmap_free_create_done( + struct xfs_trans *tp, + void *intent, + unsigned int count) +{ + return xfs_trans_get_efd(tp, intent, count); +} + +/* Process a free extent. */ +STATIC int +xfs_bmap_free_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + struct xfs_bmap_free_item *free; + int error; + + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); + error = xfs_trans_free_extent(tp, done_item, + free->xbfi_startblock, + free->xbfi_blockcount); + kmem_free(free); + return error; +} + +/* Abort all pending EFIs. */ +STATIC void +xfs_bmap_free_abort_intent( + void *intent) +{ + xfs_efi_release(intent); +} + +/* Cancel a free extent. */ +STATIC void +xfs_bmap_free_cancel_item( + struct list_head *item) +{ + struct xfs_bmap_free_item *free; + + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); + kmem_free(free); +} + +const struct xfs_defer_op_type xfs_extent_free_defer_type = { + .type = XFS_DEFER_OPS_TYPE_FREE, + .max_items = XFS_EFI_MAX_FAST_EXTENTS, + .diff_items = xfs_bmap_free_diff_items, + .create_intent = xfs_bmap_free_create_intent, + .abort_intent = xfs_bmap_free_abort_intent, + .log_item = xfs_bmap_free_log_item, + .create_done = xfs_bmap_free_create_done, + .finish_item = xfs_bmap_free_finish_item, + .cancel_item = xfs_bmap_free_cancel_item, +}; + +/* Deferred Item Initialization */ /* Initialize the deferred operation types. */ void xfs_defer_init_types(void) { + xfs_defer_init_op_type(&xfs_extent_free_defer_type); } From darrick.wong@oracle.com Thu Jun 16 20:20:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id F2A077CB8 for ; Thu, 16 Jun 2016 20:20:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id B617B304048 for ; Thu, 16 Jun 2016 18:20:04 -0700 (PDT) X-ASG-Debug-ID: 1466126401-04cbb01fec69570001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ru6r5M4Wd75QACpa (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1JwWQ024627 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:59 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JvfV010284 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:19:58 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1JtYj006301; Fri, 17 Jun 2016 01:19:56 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:19:55 -0700 Subject: [PATCH 019/119] xfs: rework xfs_bmap_free callers to use xfs_defer_ops From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 019/119] xfs: rework xfs_bmap_free callers to use xfs_defer_ops To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:19:53 -0700 Message-ID: <146612639350.12839.16071552719519511734.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126401 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 20748 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Restructure everything that used xfs_bmap_free to use xfs_defer_ops instead. For now we'll just remove the old symbols and play some cpp magic to make it work; in the next patch we'll actually rename everything. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 1 fs/xfs/libxfs/xfs_attr.c | 1 fs/xfs/libxfs/xfs_attr_remote.c | 1 fs/xfs/libxfs/xfs_bmap.c | 55 +++++------------------ fs/xfs/libxfs/xfs_bmap.h | 32 -------------- fs/xfs/libxfs/xfs_bmap_btree.c | 5 +- fs/xfs/libxfs/xfs_btree.c | 1 fs/xfs/libxfs/xfs_defer.h | 7 +++ fs/xfs/libxfs/xfs_dir2.c | 1 fs/xfs/libxfs/xfs_ialloc.c | 1 fs/xfs/libxfs/xfs_inode_buf.c | 1 fs/xfs/libxfs/xfs_sb.c | 1 fs/xfs/xfs_bmap_util.c | 92 +-------------------------------------- fs/xfs/xfs_bmap_util.h | 2 - fs/xfs/xfs_dquot.c | 1 fs/xfs/xfs_filestream.c | 3 + fs/xfs/xfs_fsops.c | 1 fs/xfs/xfs_inode.c | 1 fs/xfs/xfs_iomap.c | 1 fs/xfs/xfs_log_recover.c | 1 fs/xfs/xfs_mount.c | 1 fs/xfs/xfs_rtalloc.c | 1 fs/xfs/xfs_symlink.c | 1 fs/xfs/xfs_trace.c | 1 24 files changed, 42 insertions(+), 171 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index c366889..c06b463 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_alloc_btree.h" diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index 4e126f4..79d3a30 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_attr_sf.h" diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index a572532..93a9ce1 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -24,6 +24,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index a5d207a..64ca97f 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_dir2.h" @@ -595,41 +596,7 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; - list_add(&new->xbfi_list, &flist->xbf_flist); - flist->xbf_count++; -} - -/* - * Remove the entry "free" from the free item list. Prev points to the - * previous entry, unless "free" is the head of the list. - */ -void -xfs_bmap_del_free( - struct xfs_bmap_free *flist, /* free item list header */ - struct xfs_bmap_free_item *free) /* list item to be freed */ -{ - list_del(&free->xbfi_list); - flist->xbf_count--; - kmem_zone_free(xfs_bmap_free_item_zone, free); -} - -/* - * Free up any items left in the list. - */ -void -xfs_bmap_cancel( - struct xfs_bmap_free *flist) /* list of bmap_free_items */ -{ - struct xfs_bmap_free_item *free; /* free list item */ - - if (flist->xbf_count == 0) - return; - while (!list_empty(&flist->xbf_flist)) { - free = list_first_entry(&flist->xbf_flist, - struct xfs_bmap_free_item, xbfi_list); - xfs_bmap_del_free(flist, free); - } - ASSERT(flist->xbf_count == 0); + xfs_defer_add(flist, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); } /* @@ -767,7 +734,7 @@ xfs_bmap_extents_to_btree( if (*firstblock == NULLFSBLOCK) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = XFS_INO_TO_FSB(mp, ip->i_ino); - } else if (flist->xbf_low) { + } else if (flist->dop_low) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = *firstblock; } else { @@ -788,7 +755,7 @@ xfs_bmap_extents_to_btree( ASSERT(args.fsbno != NULLFSBLOCK); ASSERT(*firstblock == NULLFSBLOCK || args.agno == XFS_FSB_TO_AGNO(mp, *firstblock) || - (flist->xbf_low && + (flist->dop_low && args.agno > XFS_FSB_TO_AGNO(mp, *firstblock))); *firstblock = cur->bc_private.b.firstblock = args.fsbno; cur->bc_private.b.allocated++; @@ -3708,7 +3675,7 @@ xfs_bmap_btalloc( error = xfs_bmap_btalloc_nullfb(ap, &args, &blen); if (error) return error; - } else if (ap->flist->xbf_low) { + } else if (ap->flist->dop_low) { if (xfs_inode_is_filestream(ap->ip)) args.type = XFS_ALLOCTYPE_FIRST_AG; else @@ -3741,7 +3708,7 @@ xfs_bmap_btalloc( * is >= the stripe unit and the allocation offset is * at the end of file. */ - if (!ap->flist->xbf_low && ap->aeof) { + if (!ap->flist->dop_low && ap->aeof) { if (!ap->offset) { args.alignment = stripe_align; atype = args.type; @@ -3834,7 +3801,7 @@ xfs_bmap_btalloc( args.minleft = 0; if ((error = xfs_alloc_vextent(&args))) return error; - ap->flist->xbf_low = 1; + ap->flist->dop_low = true; } if (args.fsbno != NULLFSBLOCK) { /* @@ -3844,7 +3811,7 @@ xfs_bmap_btalloc( ASSERT(*ap->firstblock == NULLFSBLOCK || XFS_FSB_TO_AGNO(mp, *ap->firstblock) == XFS_FSB_TO_AGNO(mp, args.fsbno) || - (ap->flist->xbf_low && + (ap->flist->dop_low && XFS_FSB_TO_AGNO(mp, *ap->firstblock) < XFS_FSB_TO_AGNO(mp, args.fsbno))); @@ -3852,7 +3819,7 @@ xfs_bmap_btalloc( if (*ap->firstblock == NULLFSBLOCK) *ap->firstblock = args.fsbno; ASSERT(nullfb || fb_agno == args.agno || - (ap->flist->xbf_low && fb_agno < args.agno)); + (ap->flist->dop_low && fb_agno < args.agno)); ap->length = args.len; ap->ip->i_d.di_nblocks += args.len; xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); @@ -4319,7 +4286,7 @@ xfs_bmapi_allocate( if (error) return error; - if (bma->flist->xbf_low) + if (bma->flist->dop_low) bma->minleft = 0; if (bma->cur) bma->cur->bc_private.b.firstblock = *bma->firstblock; @@ -4684,7 +4651,7 @@ error0: XFS_FSB_TO_AGNO(mp, *firstblock) == XFS_FSB_TO_AGNO(mp, bma.cur->bc_private.b.firstblock) || - (flist->xbf_low && + (flist->dop_low && XFS_FSB_TO_AGNO(mp, *firstblock) < XFS_FSB_TO_AGNO(mp, bma.cur->bc_private.b.firstblock))); diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 0ef4c6b..6681bd9 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -69,27 +69,6 @@ struct xfs_bmap_free_item struct list_head xbfi_list; }; -/* - * Header for free extent list. - * - * xbf_low is used by the allocator to activate the lowspace algorithm - - * when free space is running low the extent allocator may choose to - * allocate an extent from an AG without leaving sufficient space for - * a btree split when inserting the new extent. In this case the allocator - * will enable the lowspace algorithm which is supposed to allow further - * allocations (such as btree splits and newroots) to allocate from - * sequential AGs. In order to avoid locking AGs out of order the lowspace - * algorithm will start searching for free space from AG 0. If the correct - * transaction reservations have been made then this algorithm will eventually - * find all the space it needs. - */ -typedef struct xfs_bmap_free -{ - struct list_head xbf_flist; /* list of to-be-free extents */ - int xbf_count; /* count of items on list */ - int xbf_low; /* alloc in low mode */ -} xfs_bmap_free_t; - #define XFS_BMAP_MAX_NMAP 4 /* @@ -139,14 +118,6 @@ static inline int xfs_bmapi_aflag(int w) #define DELAYSTARTBLOCK ((xfs_fsblock_t)-1LL) #define HOLESTARTBLOCK ((xfs_fsblock_t)-2LL) -static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp) -{ - INIT_LIST_HEAD(&flp->xbf_flist); - flp->xbf_count = 0; - flp->xbf_low = 0; - *fbp = NULLFSBLOCK; -} - /* * Flags for xfs_bmap_add_extent*. */ @@ -195,9 +166,6 @@ int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist, xfs_fsblock_t bno, xfs_filblks_t len); -void xfs_bmap_cancel(struct xfs_bmap_free *flist); -int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist, - struct xfs_inode *ip); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork); diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 714b387..fa5e3a5 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_trans.h" #include "xfs_inode_item.h" @@ -462,7 +463,7 @@ xfs_bmbt_alloc_block( * block allocation here and corrupt the filesystem. */ args.minleft = args.tp->t_blk_res; - } else if (cur->bc_private.b.flist->xbf_low) { + } else if (cur->bc_private.b.flist->dop_low) { args.type = XFS_ALLOCTYPE_START_BNO; } else { args.type = XFS_ALLOCTYPE_NEAR_BNO; @@ -490,7 +491,7 @@ xfs_bmbt_alloc_block( error = xfs_alloc_vextent(&args); if (error) goto error0; - cur->bc_private.b.flist->xbf_low = 1; + cur->bc_private.b.flist->dop_low = true; } if (args.fsbno == NULLFSBLOCK) { XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index eac876a..5b3743a 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_trans.h" #include "xfs_inode_item.h" diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h index 743fc32..4c05ba6 100644 --- a/fs/xfs/libxfs/xfs_defer.h +++ b/fs/xfs/libxfs/xfs_defer.h @@ -94,4 +94,11 @@ struct xfs_defer_op_type { void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); void xfs_defer_init_types(void); +/* XXX: compatibility shims, will go away in the next patch */ +#define xfs_bmap_finish xfs_defer_finish +#define xfs_bmap_cancel xfs_defer_cancel +#define xfs_bmap_init xfs_defer_init +#define xfs_bmap_free xfs_defer_ops +typedef struct xfs_defer_ops xfs_bmap_free_t; + #endif /* __XFS_DEFER_H__ */ diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index af0f9d1..945c0345 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -21,6 +21,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index cda7269..9ae9a43 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_ialloc.h" diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 794fa66..44f325c 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -22,6 +22,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_error.h" #include "xfs_cksum.h" diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 09d6fd0..a544686 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_ialloc.h" #include "xfs_alloc.h" diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 1aac0ba..972a27a 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -25,6 +25,7 @@ #include "xfs_bit.h" #include "xfs_mount.h" #include "xfs_da_format.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_trans.h" @@ -79,95 +80,6 @@ xfs_zero_extent( GFP_NOFS, true); } -/* Sort bmap items by AG. */ -static int -xfs_bmap_free_list_cmp( - void *priv, - struct list_head *a, - struct list_head *b) -{ - struct xfs_mount *mp = priv; - struct xfs_bmap_free_item *ra; - struct xfs_bmap_free_item *rb; - - ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); - rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); - return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - - XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); -} - -/* - * Routine to be called at transaction's end by xfs_bmapi, xfs_bunmapi - * caller. Frees all the extents that need freeing, which must be done - * last due to locking considerations. We never free any extents in - * the first transaction. - * - * If an inode *ip is provided, rejoin it to the transaction if - * the transaction was committed. - */ -int /* error */ -xfs_bmap_finish( - struct xfs_trans **tp, /* transaction pointer addr */ - struct xfs_bmap_free *flist, /* i/o: list extents to free */ - struct xfs_inode *ip) -{ - struct xfs_efd_log_item *efd; /* extent free data */ - struct xfs_efi_log_item *efi; /* extent free intention */ - int error; /* error return value */ - int committed;/* xact committed or not */ - struct xfs_bmap_free_item *free; /* free extent item */ - - ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); - if (flist->xbf_count == 0) - return 0; - - list_sort((*tp)->t_mountp, &flist->xbf_flist, xfs_bmap_free_list_cmp); - - efi = xfs_trans_get_efi(*tp, flist->xbf_count); - list_for_each_entry(free, &flist->xbf_flist, xbfi_list) - xfs_trans_log_efi_extent(*tp, efi, free->xbfi_startblock, - free->xbfi_blockcount); - - error = __xfs_trans_roll(tp, ip, &committed); - if (error) { - /* - * If the transaction was committed, drop the EFD reference - * since we're bailing out of here. The other reference is - * dropped when the EFI hits the AIL. - * - * If the transaction was not committed, the EFI is freed by the - * EFI item unlock handler on abort. Also, we have a new - * transaction so we should return committed=1 even though we're - * returning an error. - */ - if (committed) { - xfs_efi_release(efi); - xfs_force_shutdown((*tp)->t_mountp, - SHUTDOWN_META_IO_ERROR); - } - return error; - } - - /* - * Get an EFD and free each extent in the list, logging to the EFD in - * the process. The remaining bmap free list is cleaned up by the caller - * on error. - */ - efd = xfs_trans_get_efd(*tp, efi, flist->xbf_count); - while (!list_empty(&flist->xbf_flist)) { - free = list_first_entry(&flist->xbf_flist, - struct xfs_bmap_free_item, xbfi_list); - error = xfs_trans_free_extent(*tp, efd, free->xbfi_startblock, - free->xbfi_blockcount); - if (error) - return error; - - xfs_bmap_del_free(flist, free); - } - - return 0; -} - int xfs_bmap_rtalloc( struct xfs_bmalloca *ap) /* bmap alloc argument struct */ @@ -815,7 +727,7 @@ xfs_bmap_punch_delalloc_range( if (error) break; - ASSERT(!flist.xbf_count && list_empty(&flist.xbf_flist)); + ASSERT(!xfs_defer_has_unfinished_work(&flist)); next_block: start_fsb++; remaining--; diff --git a/fs/xfs/xfs_bmap_util.h b/fs/xfs/xfs_bmap_util.h index f200714..51aadde 100644 --- a/fs/xfs/xfs_bmap_util.h +++ b/fs/xfs/xfs_bmap_util.h @@ -40,8 +40,6 @@ int xfs_getbmap(struct xfs_inode *ip, struct getbmapx *bmv, xfs_bmap_format_t formatter, void *arg); /* functions in xfs_bmap.c that are only needed by xfs_bmap_util.c */ -void xfs_bmap_del_free(struct xfs_bmap_free *flist, - struct xfs_bmap_free_item *free); int xfs_bmap_extsize_align(struct xfs_mount *mp, struct xfs_bmbt_irec *gotp, struct xfs_bmbt_irec *prevp, xfs_extlen_t extsz, int rt, int eof, int delay, int convert, diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index e064665..be17f0a 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_bmap.h" #include "xfs_bmap_util.h" diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index a51353a..3e990fb 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -22,6 +22,7 @@ #include "xfs_trans_resv.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_bmap.h" #include "xfs_bmap_util.h" @@ -385,7 +386,7 @@ xfs_filestream_new_ag( } flags = (ap->userdata ? XFS_PICK_USERDATA : 0) | - (ap->flist->xbf_low ? XFS_PICK_LOWSPACE : 0); + (ap->flist->dop_low ? XFS_PICK_LOWSPACE : 0); err = xfs_filestream_pick_ag(pip, startag, agp, flags, minlen); diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index b4d7582..064fce1 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 8825bcf..d2389bb 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -25,6 +25,7 @@ #include "xfs_trans_resv.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 5839135..b090bc1 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -22,6 +22,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_bmap_btree.h" diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 8359978..080b54b 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index e39b023..bf63682 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 3938b37..627f7e6 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_bmap.h" #include "xfs_bmap_util.h" diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index 08a46c6..20af47b 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -26,6 +26,7 @@ #include "xfs_mount.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" +#include "xfs_defer.h" #include "xfs_dir2.h" #include "xfs_inode.h" #include "xfs_ialloc.h" diff --git a/fs/xfs/xfs_trace.c b/fs/xfs/xfs_trace.c index 3971527..7f17ae6 100644 --- a/fs/xfs/xfs_trace.c +++ b/fs/xfs/xfs_trace.c @@ -24,6 +24,7 @@ #include "xfs_mount.h" #include "xfs_defer.h" #include "xfs_da_format.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_da_btree.h" From darrick.wong@oracle.com Thu Jun 16 20:20:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B9DF27CAF for ; Thu, 16 Jun 2016 20:20:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 769168F8054 for ; Thu, 16 Jun 2016 18:20:15 -0700 (PDT) X-ASG-Debug-ID: 1466126408-04bdf01e1795890001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id SVKNNhSXeRGf6cUu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:09 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1K5aH024940 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:05 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1K4vP010714 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:04 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1K1Cg006340; Fri, 17 Jun 2016 01:20:03 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:01 -0700 Subject: [PATCH 020/119] xfs: change xfs_bmap_{finish, cancel, init, free} -> xfs_defer_* From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 020/119] xfs: change xfs_bmap_{finish, cancel, init, free} -> xfs_defer_* To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:20:00 -0700 Message-ID: <146612639995.12839.12854314786533753722.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126409 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 46660 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_MV0249, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 2.00 BSF_SC0_MV0249 Custom rule MV0249 Drop the compatibility shims that we were using to integrate the new deferred operation mechanism into the existing code. No new code. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_attr.c | 58 ++++++++++++++++++------------------ fs/xfs/libxfs/xfs_attr_remote.c | 14 ++++----- fs/xfs/libxfs/xfs_bmap.c | 38 ++++++++++++------------ fs/xfs/libxfs/xfs_bmap.h | 10 +++--- fs/xfs/libxfs/xfs_btree.h | 5 ++- fs/xfs/libxfs/xfs_da_btree.h | 4 +-- fs/xfs/libxfs/xfs_defer.h | 7 ---- fs/xfs/libxfs/xfs_dir2.c | 6 ++-- fs/xfs/libxfs/xfs_dir2.h | 8 +++-- fs/xfs/libxfs/xfs_ialloc.c | 6 ++-- fs/xfs/libxfs/xfs_ialloc.h | 2 + fs/xfs/libxfs/xfs_trans_resv.c | 4 +-- fs/xfs/xfs_bmap_util.c | 28 +++++++++--------- fs/xfs/xfs_dquot.c | 10 +++--- fs/xfs/xfs_inode.c | 62 ++++++++++++++++++++------------------- fs/xfs/xfs_inode.h | 4 +-- fs/xfs/xfs_iomap.c | 24 ++++++++------- fs/xfs/xfs_rtalloc.c | 8 +++-- fs/xfs/xfs_symlink.c | 16 +++++----- 19 files changed, 154 insertions(+), 160 deletions(-) diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index 79d3a30..66baf97 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -204,7 +204,7 @@ xfs_attr_set( { struct xfs_mount *mp = dp->i_mount; struct xfs_da_args args; - struct xfs_bmap_free flist; + struct xfs_defer_ops flist; struct xfs_trans_res tres; xfs_fsblock_t firstblock; int rsvd = (flags & ATTR_ROOT) != 0; @@ -317,13 +317,13 @@ xfs_attr_set( * It won't fit in the shortform, transform to a leaf block. * GROT: another possible req'mt for a double-split btree op. */ - xfs_bmap_init(args.flist, args.firstblock); + xfs_defer_init(args.flist, args.firstblock); error = xfs_attr_shortform_to_leaf(&args); if (!error) - error = xfs_bmap_finish(&args.trans, args.flist, dp); + error = xfs_defer_finish(&args.trans, args.flist, dp); if (error) { args.trans = NULL; - xfs_bmap_cancel(&flist); + xfs_defer_cancel(&flist); goto out; } @@ -383,7 +383,7 @@ xfs_attr_remove( { struct xfs_mount *mp = dp->i_mount; struct xfs_da_args args; - struct xfs_bmap_free flist; + struct xfs_defer_ops flist; xfs_fsblock_t firstblock; int error; @@ -585,13 +585,13 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * Commit that transaction so that the node_addname() call * can manage its own transactions. */ - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_node(args); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } @@ -675,15 +675,15 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) - error = xfs_bmap_finish(&args->trans, + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } } @@ -738,14 +738,14 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } } @@ -864,14 +864,14 @@ restart: */ xfs_da_state_free(state); state = NULL; - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_node(args); if (!error) - error = xfs_bmap_finish(&args->trans, + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } @@ -892,13 +892,13 @@ restart: * in the index/blkno/rmtblkno/rmtblkcnt fields and * in the index2/blkno2/rmtblkno2/rmtblkcnt2 fields. */ - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_da3_split(state); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } } else { @@ -991,14 +991,14 @@ restart: * Check to see if the tree needs to be collapsed. */ if (retval && (state->path.active > 1)) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_da3_join(state); if (!error) - error = xfs_bmap_finish(&args->trans, + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } } @@ -1114,13 +1114,13 @@ xfs_attr_node_removename(xfs_da_args_t *args) * Check to see if the tree needs to be collapsed. */ if (retval && (state->path.active > 1)) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_da3_join(state); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } /* @@ -1147,15 +1147,15 @@ xfs_attr_node_removename(xfs_da_args_t *args) goto out; if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) - error = xfs_bmap_finish(&args->trans, + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } } else diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index 93a9ce1..aabb516 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -461,16 +461,16 @@ xfs_attr_rmtval_set( * extent and then crash then the block may not contain the * correct metadata after log recovery occurs. */ - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); nmap = 1; error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, blkcnt, XFS_BMAPI_ATTRFORK, args->firstblock, args->total, &map, &nmap, args->flist); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } @@ -504,7 +504,7 @@ xfs_attr_rmtval_set( ASSERT(blkcnt > 0); - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); nmap = 1; error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno, blkcnt, &map, &nmap, @@ -604,16 +604,16 @@ xfs_attr_rmtval_remove( blkcnt = args->rmtblkcnt; done = 0; while (!done) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt, XFS_BMAPI_ATTRFORK, 1, args->firstblock, args->flist, &done); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, + error = xfs_defer_finish(&args->trans, args->flist, args->dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 64ca97f..45ce7bd 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -572,7 +572,7 @@ xfs_bmap_validate_ret( void xfs_bmap_add_free( struct xfs_mount *mp, /* mount point structure */ - struct xfs_bmap_free *flist, /* list of extents */ + struct xfs_defer_ops *flist, /* list of extents */ xfs_fsblock_t bno, /* fs block number of extent */ xfs_filblks_t len) /* length of extent */ { @@ -672,7 +672,7 @@ xfs_bmap_extents_to_btree( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first-block-allocated */ - xfs_bmap_free_t *flist, /* blocks freed in xaction */ + struct xfs_defer_ops *flist, /* blocks freed in xaction */ xfs_btree_cur_t **curp, /* cursor returned to caller */ int wasdel, /* converting a delayed alloc */ int *logflagsp, /* inode logging flags */ @@ -940,7 +940,7 @@ xfs_bmap_add_attrfork_btree( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - xfs_bmap_free_t *flist, /* blocks to free at commit */ + struct xfs_defer_ops *flist, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -983,7 +983,7 @@ xfs_bmap_add_attrfork_extents( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - xfs_bmap_free_t *flist, /* blocks to free at commit */ + struct xfs_defer_ops *flist, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -1018,7 +1018,7 @@ xfs_bmap_add_attrfork_local( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - xfs_bmap_free_t *flist, /* blocks to free at commit */ + struct xfs_defer_ops *flist, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_da_args_t dargs; /* args for dir/attr code */ @@ -1059,7 +1059,7 @@ xfs_bmap_add_attrfork( int rsvd) /* xact may use reserved blks */ { xfs_fsblock_t firstblock; /* 1st block/ag allocated */ - xfs_bmap_free_t flist; /* freed extent records */ + struct xfs_defer_ops flist; /* freed extent records */ xfs_mount_t *mp; /* mount structure */ xfs_trans_t *tp; /* transaction pointer */ int blks; /* space reservation */ @@ -1125,7 +1125,7 @@ xfs_bmap_add_attrfork( ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP); ip->i_afp->if_flags = XFS_IFEXTENTS; logflags = 0; - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); switch (ip->i_d.di_format) { case XFS_DINODE_FMT_LOCAL: error = xfs_bmap_add_attrfork_local(tp, ip, &firstblock, &flist, @@ -1165,7 +1165,7 @@ xfs_bmap_add_attrfork( xfs_log_sb(tp); } - error = xfs_bmap_finish(&tp, &flist, NULL); + error = xfs_defer_finish(&tp, &flist, NULL); if (error) goto bmap_cancel; error = xfs_trans_commit(tp); @@ -1173,7 +1173,7 @@ xfs_bmap_add_attrfork( return error; bmap_cancel: - xfs_bmap_cancel(&flist); + xfs_defer_cancel(&flist); trans_cancel: xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -2214,7 +2214,7 @@ xfs_bmap_add_extent_unwritten_real( xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ xfs_fsblock_t *first, /* pointer to firstblock variable */ - xfs_bmap_free_t *flist, /* list of extents to be freed */ + struct xfs_defer_ops *flist, /* list of extents to be freed */ int *logflagsp) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -4447,7 +4447,7 @@ xfs_bmapi_write( xfs_extlen_t total, /* total blocks needed */ struct xfs_bmbt_irec *mval, /* output: map values */ int *nmap, /* i/o: mval size/count */ - struct xfs_bmap_free *flist) /* i/o: list extents to free */ + struct xfs_defer_ops *flist) /* i/o: list extents to free */ { struct xfs_mount *mp = ip->i_mount; struct xfs_ifork *ifp; @@ -4735,7 +4735,7 @@ xfs_bmap_del_extent( xfs_inode_t *ip, /* incore inode pointer */ xfs_trans_t *tp, /* current transaction pointer */ xfs_extnum_t *idx, /* extent number to update/delete */ - xfs_bmap_free_t *flist, /* list of extents to be freed */ + struct xfs_defer_ops *flist, /* list of extents to be freed */ xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *del, /* data to remove from extents */ int *logflagsp, /* inode logging flags */ @@ -5064,7 +5064,7 @@ xfs_bunmapi( xfs_extnum_t nexts, /* number of extents max */ xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ - xfs_bmap_free_t *flist, /* i/o: list extents to free */ + struct xfs_defer_ops *flist, /* i/o: list extents to free */ int *done) /* set if not done yet */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -5678,7 +5678,7 @@ xfs_bmap_shift_extents( int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, - struct xfs_bmap_free *flist, + struct xfs_defer_ops *flist, enum shift_direction direction, int num_exts) { @@ -5832,7 +5832,7 @@ xfs_bmap_split_extent_at( struct xfs_inode *ip, xfs_fileoff_t split_fsb, xfs_fsblock_t *firstfsb, - struct xfs_bmap_free *free_list) + struct xfs_defer_ops *free_list) { int whichfork = XFS_DATA_FORK; struct xfs_btree_cur *cur = NULL; @@ -5971,7 +5971,7 @@ xfs_bmap_split_extent( { struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp; - struct xfs_bmap_free free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t firstfsb; int error; @@ -5983,21 +5983,21 @@ xfs_bmap_split_extent( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_bmap_init(&free_list, &firstfsb); + xfs_defer_init(&free_list, &firstfsb); error = xfs_bmap_split_extent_at(tp, ip, split_fsb, &firstfsb, &free_list); if (error) goto out; - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto out; return xfs_trans_commit(tp); out: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); xfs_trans_cancel(tp); return error; } diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 6681bd9..e2a0425 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -32,7 +32,7 @@ extern kmem_zone_t *xfs_bmap_free_item_zone; */ struct xfs_bmalloca { xfs_fsblock_t *firstblock; /* i/o first block allocated */ - struct xfs_bmap_free *flist; /* bmap freelist */ + struct xfs_defer_ops *flist; /* bmap freelist */ struct xfs_trans *tp; /* transaction pointer */ struct xfs_inode *ip; /* incore inode pointer */ struct xfs_bmbt_irec prev; /* extent before the new one */ @@ -164,7 +164,7 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt, int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); -void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist, +void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *flist, xfs_fsblock_t bno, xfs_filblks_t len); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, @@ -186,18 +186,18 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_fsblock_t *firstblock, xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap, - struct xfs_bmap_free *flist); + struct xfs_defer_ops *flist); int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, - struct xfs_bmap_free *flist, int *done); + struct xfs_defer_ops *flist, int *done); int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, xfs_extnum_t num); uint xfs_default_attroffset(struct xfs_inode *ip); int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t *next_fsb, xfs_fileoff_t offset_shift_fsb, int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, - struct xfs_bmap_free *flist, enum shift_direction direction, + struct xfs_defer_ops *flist, enum shift_direction direction, int num_exts); int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset); diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 0ec3055..ae714a8 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -19,7 +19,7 @@ #define __XFS_BTREE_H__ struct xfs_buf; -struct xfs_bmap_free; +struct xfs_defer_ops; struct xfs_inode; struct xfs_mount; struct xfs_trans; @@ -234,11 +234,12 @@ typedef struct xfs_btree_cur union { struct { /* needed for BNO, CNT, INO */ struct xfs_buf *agbp; /* agf/agi buffer pointer */ + struct xfs_defer_ops *flist; /* deferred updates */ xfs_agnumber_t agno; /* ag number */ } a; struct { /* needed for BMAP */ struct xfs_inode *ip; /* pointer to our inode */ - struct xfs_bmap_free *flist; /* list to free after */ + struct xfs_defer_ops *flist; /* deferred updates */ xfs_fsblock_t firstblock; /* 1st blk allocated */ int allocated; /* count of alloced */ short forksize; /* fork's inode space */ diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h index 6e153e3..249813a 100644 --- a/fs/xfs/libxfs/xfs_da_btree.h +++ b/fs/xfs/libxfs/xfs_da_btree.h @@ -19,7 +19,7 @@ #ifndef __XFS_DA_BTREE_H__ #define __XFS_DA_BTREE_H__ -struct xfs_bmap_free; +struct xfs_defer_ops; struct xfs_inode; struct xfs_trans; struct zone; @@ -70,7 +70,7 @@ typedef struct xfs_da_args { xfs_ino_t inumber; /* input/output inode number */ struct xfs_inode *dp; /* directory inode to manipulate */ xfs_fsblock_t *firstblock; /* ptr to firstblock for bmap calls */ - struct xfs_bmap_free *flist; /* ptr to freelist for bmap_finish */ + struct xfs_defer_ops *flist; /* ptr to freelist for bmap_finish */ struct xfs_trans *trans; /* current trans (changes over time) */ xfs_extlen_t total; /* total blocks needed, for 1st bmap */ int whichfork; /* data or attribute fork */ diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h index 4c05ba6..743fc32 100644 --- a/fs/xfs/libxfs/xfs_defer.h +++ b/fs/xfs/libxfs/xfs_defer.h @@ -94,11 +94,4 @@ struct xfs_defer_op_type { void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); void xfs_defer_init_types(void); -/* XXX: compatibility shims, will go away in the next patch */ -#define xfs_bmap_finish xfs_defer_finish -#define xfs_bmap_cancel xfs_defer_cancel -#define xfs_bmap_init xfs_defer_init -#define xfs_bmap_free xfs_defer_ops -typedef struct xfs_defer_ops xfs_bmap_free_t; - #endif /* __XFS_DEFER_H__ */ diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 945c0345..0523100 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -260,7 +260,7 @@ xfs_dir_createname( struct xfs_name *name, xfs_ino_t inum, /* new entry inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ - xfs_bmap_free_t *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -437,7 +437,7 @@ xfs_dir_removename( struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, /* bmap's firstblock */ - xfs_bmap_free_t *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -499,7 +499,7 @@ xfs_dir_replace( struct xfs_name *name, /* name of entry to replace */ xfs_ino_t inum, /* new inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ - xfs_bmap_free_t *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index 0a62e73..5737d85 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -18,7 +18,7 @@ #ifndef __XFS_DIR2_H__ #define __XFS_DIR2_H__ -struct xfs_bmap_free; +struct xfs_defer_ops; struct xfs_da_args; struct xfs_inode; struct xfs_mount; @@ -129,18 +129,18 @@ extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_bmap_free *flist, xfs_extlen_t tot); + struct xfs_defer_ops *flist, xfs_extlen_t tot); extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t *inum, struct xfs_name *ci_name); extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, - struct xfs_bmap_free *flist, xfs_extlen_t tot); + struct xfs_defer_ops *flist, xfs_extlen_t tot); extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_bmap_free *flist, xfs_extlen_t tot); + struct xfs_defer_ops *flist, xfs_extlen_t tot); extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name); diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 9ae9a43..f2e29a1 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -1818,7 +1818,7 @@ xfs_difree_inode_chunk( struct xfs_mount *mp, xfs_agnumber_t agno, struct xfs_inobt_rec_incore *rec, - struct xfs_bmap_free *flist) + struct xfs_defer_ops *flist) { xfs_agblock_t sagbno = XFS_AGINO_TO_AGBNO(mp, rec->ir_startino); int startidx, endidx; @@ -1890,7 +1890,7 @@ xfs_difree_inobt( struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agino_t agino, - struct xfs_bmap_free *flist, + struct xfs_defer_ops *flist, struct xfs_icluster *xic, struct xfs_inobt_rec_incore *orec) { @@ -2122,7 +2122,7 @@ int xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ - struct xfs_bmap_free *flist, /* extents to free */ + struct xfs_defer_ops *flist, /* extents to free */ struct xfs_icluster *xic) /* cluster info if deleted */ { /* REFERENCED */ diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h index 6e450df..2e06b67 100644 --- a/fs/xfs/libxfs/xfs_ialloc.h +++ b/fs/xfs/libxfs/xfs_ialloc.h @@ -95,7 +95,7 @@ int /* error */ xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ - struct xfs_bmap_free *flist, /* extents to free */ + struct xfs_defer_ops *flist, /* extents to free */ struct xfs_icluster *ifree); /* cluster info if deleted */ /* diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c index 68cb1e7..4c7eb9d 100644 --- a/fs/xfs/libxfs/xfs_trans_resv.c +++ b/fs/xfs/libxfs/xfs_trans_resv.c @@ -153,9 +153,9 @@ xfs_calc_finobt_res( * item logged to try to account for the overhead of the transaction mechanism. * * Note: Most of the reservations underestimate the number of allocation - * groups into which they could free extents in the xfs_bmap_finish() call. + * groups into which they could free extents in the xfs_defer_finish() call. * This is because the number in the worst case is quite high and quite - * unusual. In order to fix this we need to change xfs_bmap_finish() to free + * unusual. In order to fix this we need to change xfs_defer_finish() to free * extents in only a single AG at a time. This will require changes to the * EFI code as well, however, so that the EFI for the extents not freed is * logged again in each transaction. See SGI PV #261917. diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 972a27a..928dfa4 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -685,7 +685,7 @@ xfs_bmap_punch_delalloc_range( xfs_bmbt_irec_t imap; int nimaps = 1; xfs_fsblock_t firstblock; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; /* * Map the range first and check that it is a delalloc extent @@ -721,7 +721,7 @@ xfs_bmap_punch_delalloc_range( * allocated or freed for a delalloc extent and hence we need * don't cancel or finish them after the xfs_bunmapi() call. */ - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); error = xfs_bunmapi(NULL, ip, start_fsb, 1, 0, 1, &firstblock, &flist, &done); if (error) @@ -884,7 +884,7 @@ xfs_alloc_file_space( int rt; xfs_trans_t *tp; xfs_bmbt_irec_t imaps[1], *imapp; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; uint qblocks, resblks, resrtextents; int error; @@ -975,7 +975,7 @@ xfs_alloc_file_space( xfs_trans_ijoin(tp, ip, 0); - xfs_bmap_init(&free_list, &firstfsb); + xfs_defer_init(&free_list, &firstfsb); error = xfs_bmapi_write(tp, ip, startoffset_fsb, allocatesize_fsb, alloc_type, &firstfsb, resblks, imapp, &nimaps, &free_list); @@ -985,7 +985,7 @@ xfs_alloc_file_space( /* * Complete the transaction */ - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto error0; @@ -1008,7 +1008,7 @@ xfs_alloc_file_space( return error; error0: /* Cancel bmap, unlock inode, unreserve quota blocks, cancel trans */ - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); xfs_trans_unreserve_quota_nblks(tp, ip, (long)qblocks, 0, quota_flag); error1: /* Just cancel transaction */ @@ -1122,7 +1122,7 @@ xfs_free_file_space( xfs_fileoff_t endoffset_fsb; int error; xfs_fsblock_t firstfsb; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_bmbt_irec_t imap; xfs_off_t ioffset; xfs_off_t iendoffset; @@ -1245,7 +1245,7 @@ xfs_free_file_space( /* * issue the bunmapi() call to free the blocks */ - xfs_bmap_init(&free_list, &firstfsb); + xfs_defer_init(&free_list, &firstfsb); error = xfs_bunmapi(tp, ip, startoffset_fsb, endoffset_fsb - startoffset_fsb, 0, 2, &firstfsb, &free_list, &done); @@ -1255,7 +1255,7 @@ xfs_free_file_space( /* * complete the transaction */ - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, ip); if (error) goto error0; @@ -1267,7 +1267,7 @@ xfs_free_file_space( return error; error0: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); error1: xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -1333,7 +1333,7 @@ xfs_shift_file_space( struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp; int error; - struct xfs_bmap_free free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t first_block; xfs_fileoff_t stop_fsb; xfs_fileoff_t next_fsb; @@ -1411,7 +1411,7 @@ xfs_shift_file_space( xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); /* * We are using the write transaction in which max 2 bmbt @@ -1423,7 +1423,7 @@ xfs_shift_file_space( if (error) goto out_bmap_cancel; - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto out_bmap_cancel; @@ -1433,7 +1433,7 @@ xfs_shift_file_space( return error; out_bmap_cancel: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); out_trans_cancel: xfs_trans_cancel(tp); return error; diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index be17f0a..764e1cc 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -307,7 +307,7 @@ xfs_qm_dqalloc( xfs_buf_t **O_bpp) { xfs_fsblock_t firstblock; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; xfs_bmbt_irec_t map; int nmaps, error; xfs_buf_t *bp; @@ -320,7 +320,7 @@ xfs_qm_dqalloc( /* * Initialize the bmap freelist prior to calling bmapi code. */ - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); xfs_ilock(quotip, XFS_ILOCK_EXCL); /* * Return if this type of quotas is turned off while we didn't @@ -368,7 +368,7 @@ xfs_qm_dqalloc( dqp->dq_flags & XFS_DQ_ALLTYPES, bp); /* - * xfs_bmap_finish() may commit the current transaction and + * xfs_defer_finish() may commit the current transaction and * start a second transaction if the freelist is not empty. * * Since we still want to modify this buffer, we need to @@ -382,7 +382,7 @@ xfs_qm_dqalloc( xfs_trans_bhold(tp, bp); - error = xfs_bmap_finish(tpp, &flist, NULL); + error = xfs_defer_finish(tpp, &flist, NULL); if (error) goto error1; @@ -398,7 +398,7 @@ xfs_qm_dqalloc( return 0; error1: - xfs_bmap_cancel(&flist); + xfs_defer_cancel(&flist); error0: xfs_iunlock(quotip, XFS_ILOCK_EXCL); diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index d2389bb..3ce50da 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1123,7 +1123,7 @@ xfs_create( struct xfs_inode *ip = NULL; struct xfs_trans *tp = NULL; int error; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t first_block; bool unlock_dp_on_error = false; prid_t prid; @@ -1183,7 +1183,7 @@ xfs_create( XFS_IOLOCK_PARENT | XFS_ILOCK_PARENT); unlock_dp_on_error = true; - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); /* * Reserve disk quota and the inode. @@ -1254,7 +1254,7 @@ xfs_create( */ xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp); - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto out_bmap_cancel; @@ -1270,7 +1270,7 @@ xfs_create( return 0; out_bmap_cancel: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); out_trans_cancel: xfs_trans_cancel(tp); out_release_inode: @@ -1402,7 +1402,7 @@ xfs_link( xfs_mount_t *mp = tdp->i_mount; xfs_trans_t *tp; int error; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t first_block; int resblks; @@ -1453,7 +1453,7 @@ xfs_link( goto error_return; } - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); /* * Handle initial link state of O_TMPFILE inode @@ -1483,9 +1483,9 @@ xfs_link( if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) xfs_trans_set_sync(tp); - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) { - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); goto error_return; } @@ -1527,7 +1527,7 @@ xfs_itruncate_extents( { struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp = *tpp; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t first_block; xfs_fileoff_t first_unmap_block; xfs_fileoff_t last_block; @@ -1563,7 +1563,7 @@ xfs_itruncate_extents( ASSERT(first_unmap_block < last_block); unmap_len = last_block - first_unmap_block + 1; while (!done) { - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); error = xfs_bunmapi(tp, ip, first_unmap_block, unmap_len, xfs_bmapi_aflag(whichfork), @@ -1577,7 +1577,7 @@ xfs_itruncate_extents( * Duplicate the transaction that has the permanent * reservation and commit the old transaction. */ - error = xfs_bmap_finish(&tp, &free_list, ip); + error = xfs_defer_finish(&tp, &free_list, ip); if (error) goto out_bmap_cancel; @@ -1603,7 +1603,7 @@ out_bmap_cancel: * the transaction can be properly aborted. We just need to make sure * we're not holding any resources that we were not when we came in. */ - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); goto out; } @@ -1744,7 +1744,7 @@ STATIC int xfs_inactive_ifree( struct xfs_inode *ip) { - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t first_block; struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp; @@ -1781,7 +1781,7 @@ xfs_inactive_ifree( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, 0); - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); error = xfs_ifree(tp, ip, &free_list); if (error) { /* @@ -1808,11 +1808,11 @@ xfs_inactive_ifree( * Just ignore errors at this point. There is nothing we can do except * to try to keep going. Make sure it's not a silent error. */ - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) { - xfs_notice(mp, "%s: xfs_bmap_finish returned error %d", + xfs_notice(mp, "%s: xfs_defer_finish returned error %d", __func__, error); - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); } error = xfs_trans_commit(tp); if (error) @@ -2368,7 +2368,7 @@ int xfs_ifree( xfs_trans_t *tp, xfs_inode_t *ip, - xfs_bmap_free_t *flist) + struct xfs_defer_ops *flist) { int error; struct xfs_icluster xic = { 0 }; @@ -2475,7 +2475,7 @@ xfs_iunpin_wait( * directory entry. * * This is still safe from a transactional point of view - it is not until we - * get to xfs_bmap_finish() that we have the possibility of multiple + * get to xfs_defer_finish() that we have the possibility of multiple * transactions in this operation. Hence as long as we remove the directory * entry and drop the link count in the first transaction of the remove * operation, there are no transactional constraints on the ordering here. @@ -2490,7 +2490,7 @@ xfs_remove( xfs_trans_t *tp = NULL; int is_dir = S_ISDIR(VFS_I(ip)->i_mode); int error = 0; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t first_block; uint resblks; @@ -2572,7 +2572,7 @@ xfs_remove( if (error) goto out_trans_cancel; - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); error = xfs_dir_removename(tp, dp, name, ip->i_ino, &first_block, &free_list, resblks); if (error) { @@ -2588,7 +2588,7 @@ xfs_remove( if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) xfs_trans_set_sync(tp); - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto out_bmap_cancel; @@ -2602,7 +2602,7 @@ xfs_remove( return 0; out_bmap_cancel: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); out_trans_cancel: xfs_trans_cancel(tp); std_return: @@ -2663,7 +2663,7 @@ xfs_sort_for_rename( static int xfs_finish_rename( struct xfs_trans *tp, - struct xfs_bmap_free *free_list) + struct xfs_defer_ops *free_list) { int error; @@ -2674,9 +2674,9 @@ xfs_finish_rename( if (tp->t_mountp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) xfs_trans_set_sync(tp); - error = xfs_bmap_finish(&tp, free_list, NULL); + error = xfs_defer_finish(&tp, free_list, NULL); if (error) { - xfs_bmap_cancel(free_list); + xfs_defer_cancel(free_list); xfs_trans_cancel(tp); return error; } @@ -2698,7 +2698,7 @@ xfs_cross_rename( struct xfs_inode *dp2, struct xfs_name *name2, struct xfs_inode *ip2, - struct xfs_bmap_free *free_list, + struct xfs_defer_ops *free_list, xfs_fsblock_t *first_block, int spaceres) { @@ -2801,7 +2801,7 @@ xfs_cross_rename( return xfs_finish_rename(tp, free_list); out_trans_abort: - xfs_bmap_cancel(free_list); + xfs_defer_cancel(free_list); xfs_trans_cancel(tp); return error; } @@ -2856,7 +2856,7 @@ xfs_rename( { struct xfs_mount *mp = src_dp->i_mount; struct xfs_trans *tp; - struct xfs_bmap_free free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t first_block; struct xfs_inode *wip = NULL; /* whiteout inode */ struct xfs_inode *inodes[__XFS_SORT_INODES]; @@ -2945,7 +2945,7 @@ xfs_rename( goto out_trans_cancel; } - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); /* RENAME_EXCHANGE is unique from here on. */ if (flags & RENAME_EXCHANGE) @@ -3131,7 +3131,7 @@ xfs_rename( return error; out_bmap_cancel: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); out_trans_cancel: xfs_trans_cancel(tp); out_release_wip: diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 99d7522..633f2af 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -27,7 +27,7 @@ struct xfs_dinode; struct xfs_inode; struct xfs_buf; -struct xfs_bmap_free; +struct xfs_defer_ops; struct xfs_bmbt_irec; struct xfs_inode_log_item; struct xfs_mount; @@ -398,7 +398,7 @@ uint xfs_ilock_attr_map_shared(struct xfs_inode *); uint xfs_ip2xflags(struct xfs_inode *); int xfs_ifree(struct xfs_trans *, xfs_inode_t *, - struct xfs_bmap_free *); + struct xfs_defer_ops *); int xfs_itruncate_extents(struct xfs_trans **, struct xfs_inode *, int, xfs_fsize_t); void xfs_iext_realloc(xfs_inode_t *, int, int); diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index b090bc1..cb7abe84 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -128,7 +128,7 @@ xfs_iomap_write_direct( int quota_flag; int rt; xfs_trans_t *tp; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; uint qblocks, resblks, resrtextents; int error; int lockmode; @@ -231,7 +231,7 @@ xfs_iomap_write_direct( * From this point onwards we overwrite the imap pointer that the * caller gave to us. */ - xfs_bmap_init(&free_list, &firstfsb); + xfs_defer_init(&free_list, &firstfsb); nimaps = 1; error = xfs_bmapi_write(tp, ip, offset_fsb, count_fsb, bmapi_flags, &firstfsb, resblks, imap, @@ -242,7 +242,7 @@ xfs_iomap_write_direct( /* * Complete the transaction */ - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto out_bmap_cancel; @@ -266,7 +266,7 @@ out_unlock: return error; out_bmap_cancel: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); xfs_trans_unreserve_quota_nblks(tp, ip, (long)qblocks, 0, quota_flag); out_trans_cancel: xfs_trans_cancel(tp); @@ -685,7 +685,7 @@ xfs_iomap_write_allocate( xfs_fileoff_t offset_fsb, last_block; xfs_fileoff_t end_fsb, map_start_fsb; xfs_fsblock_t first_block; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_filblks_t count_fsb; xfs_trans_t *tp; int nimaps; @@ -727,7 +727,7 @@ xfs_iomap_write_allocate( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, 0); - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); /* * it is possible that the extents have changed since @@ -787,7 +787,7 @@ xfs_iomap_write_allocate( if (error) goto trans_cancel; - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto trans_cancel; @@ -821,7 +821,7 @@ xfs_iomap_write_allocate( } trans_cancel: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); xfs_trans_cancel(tp); error0: xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -842,7 +842,7 @@ xfs_iomap_write_unwritten( int nimaps; xfs_trans_t *tp; xfs_bmbt_irec_t imap; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_fsize_t i_size; uint resblks; int error; @@ -886,7 +886,7 @@ xfs_iomap_write_unwritten( /* * Modify the unwritten extent state of the buffer. */ - xfs_bmap_init(&free_list, &firstfsb); + xfs_defer_init(&free_list, &firstfsb); nimaps = 1; error = xfs_bmapi_write(tp, ip, offset_fsb, count_fsb, XFS_BMAPI_CONVERT, &firstfsb, resblks, @@ -909,7 +909,7 @@ xfs_iomap_write_unwritten( xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); } - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto error_on_bmapi_transaction; @@ -936,7 +936,7 @@ xfs_iomap_write_unwritten( return 0; error_on_bmapi_transaction: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); return error; diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 627f7e6..c761a6a 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -770,7 +770,7 @@ xfs_growfs_rt_alloc( xfs_daddr_t d; /* disk block address */ int error; /* error return value */ xfs_fsblock_t firstblock;/* first block allocated in xaction */ - struct xfs_bmap_free flist; /* list of freed blocks */ + struct xfs_defer_ops flist; /* list of freed blocks */ xfs_fsblock_t fsbno; /* filesystem block for bno */ struct xfs_bmbt_irec map; /* block map output */ int nmap; /* number of block maps */ @@ -795,7 +795,7 @@ xfs_growfs_rt_alloc( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); /* * Allocate blocks to the bitmap file. */ @@ -810,7 +810,7 @@ xfs_growfs_rt_alloc( /* * Free any blocks freed up in the transaction, then commit. */ - error = xfs_bmap_finish(&tp, &flist, NULL); + error = xfs_defer_finish(&tp, &flist, NULL); if (error) goto out_bmap_cancel; error = xfs_trans_commit(tp); @@ -863,7 +863,7 @@ xfs_growfs_rt_alloc( return 0; out_bmap_cancel: - xfs_bmap_cancel(&flist); + xfs_defer_cancel(&flist); out_trans_cancel: xfs_trans_cancel(tp); return error; diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index 20af47b..3b005ec 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -173,7 +173,7 @@ xfs_symlink( struct xfs_inode *ip = NULL; int error = 0; int pathlen; - struct xfs_bmap_free free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t first_block; bool unlock_dp_on_error = false; xfs_fileoff_t first_fsb; @@ -270,7 +270,7 @@ xfs_symlink( * Initialize the bmap freelist prior to calling either * bmapi or the directory create code. */ - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); /* * Allocate an inode for the symlink. @@ -377,7 +377,7 @@ xfs_symlink( xfs_trans_set_sync(tp); } - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto out_bmap_cancel; @@ -393,7 +393,7 @@ xfs_symlink( return 0; out_bmap_cancel: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); out_trans_cancel: xfs_trans_cancel(tp); out_release_inode: @@ -427,7 +427,7 @@ xfs_inactive_symlink_rmt( int done; int error; xfs_fsblock_t first_block; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; int i; xfs_mount_t *mp; xfs_bmbt_irec_t mval[XFS_SYMLINK_MAPS]; @@ -466,7 +466,7 @@ xfs_inactive_symlink_rmt( * Find the block(s) so we can inval and unmap them. */ done = 0; - xfs_bmap_init(&free_list, &first_block); + xfs_defer_init(&free_list, &first_block); nmaps = ARRAY_SIZE(mval); error = xfs_bmapi_read(ip, 0, xfs_symlink_blocks(mp, size), mval, &nmaps, 0); @@ -496,7 +496,7 @@ xfs_inactive_symlink_rmt( /* * Commit the first transaction. This logs the EFI and the inode. */ - error = xfs_bmap_finish(&tp, &free_list, ip); + error = xfs_defer_finish(&tp, &free_list, ip); if (error) goto error_bmap_cancel; /* @@ -526,7 +526,7 @@ xfs_inactive_symlink_rmt( return 0; error_bmap_cancel: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); error_trans_cancel: xfs_trans_cancel(tp); error_unlock: From darrick.wong@oracle.com Thu Jun 16 20:20:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4CFF77D21 for ; Thu, 16 Jun 2016 20:20:20 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 11AF6304048 for ; Thu, 16 Jun 2016 18:20:20 -0700 (PDT) X-ASG-Debug-ID: 1466126418-04cbb01fec69590001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id irKx1wMM0KwyqXP6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:18 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1KFH0025102 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:20:16 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1KF4m008114 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:15 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1KEGX022823; Fri, 17 Jun 2016 01:20:15 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:14 -0700 Subject: [PATCH 022/119] xfs: add tracepoints and error injection for deferred extent freeing From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 022/119] xfs: add tracepoints and error injection for deferred extent freeing To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:20:13 -0700 Message-ID: <146612641307.12839.12827584555660167380.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126418 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3053 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add a couple of tracepoints for the deferred extent free operation and a site for injecting errors while finishing the operation. This makes it easier to debug deferred ops and test log redo. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 7 +++++++ fs/xfs/libxfs/xfs_bmap.c | 2 ++ fs/xfs/xfs_error.h | 4 +++- fs/xfs/xfs_trace.h | 5 ++++- 4 files changed, 16 insertions(+), 2 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index c06b463..56c8690 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2704,6 +2704,13 @@ xfs_free_extent( ASSERT(len != 0); + trace_xfs_bmap_free_deferred(mp, agno, 0, agbno, len); + + if (XFS_TEST_ERROR(false, mp, + XFS_ERRTAG_FREE_EXTENT, + XFS_RANDOM_FREE_EXTENT)) + return -EIO; + error = xfs_free_extent_fix_freelist(tp, agno, &agbp); if (error) return error; diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 85061a0..3a6d3e3 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -596,6 +596,8 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; + trace_xfs_bmap_free_defer(mp, XFS_FSB_TO_AGNO(mp, bno), 0, + XFS_FSB_TO_AGBNO(mp, bno), len); xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); } diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 4ed3042..ee4680e 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -90,7 +90,8 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_ERRTAG_STRATCMPL_IOERR 19 #define XFS_ERRTAG_DIOWRITE_IOERR 20 #define XFS_ERRTAG_BMAPIFORMAT 21 -#define XFS_ERRTAG_MAX 22 +#define XFS_ERRTAG_FREE_EXTENT 22 +#define XFS_ERRTAG_MAX 23 /* * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. @@ -117,6 +118,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10) #define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10) #define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT +#define XFS_RANDOM_FREE_EXTENT 1 #ifdef DEBUG extern int xfs_error_test_active; diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 5923014..777a89c 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2415,9 +2415,12 @@ DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_cancel); DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_finish); DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_abort); -DEFINE_PHYS_EXTENT_DEFERRED_EVENT(xfs_defer_phys_extent); DEFINE_MAP_EXTENT_DEFERRED_EVENT(xfs_defer_map_extent); +#define DEFINE_BMAP_FREE_DEFERRED_EVENT DEFINE_PHYS_EXTENT_DEFERRED_EVENT +DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_defer); +DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_deferred); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:20:23 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 65B467D25 for ; Thu, 16 Jun 2016 20:20:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 36C72304048 for ; Thu, 16 Jun 2016 18:20:23 -0700 (PDT) X-ASG-Debug-ID: 1466126414-04cb6c542657260001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id erGfsI4SoevbL0SE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:15 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1KBob025070 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:12 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1KBfb010885 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:11 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1K8V7006365; Fri, 17 Jun 2016 01:20:09 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:08 -0700 Subject: [PATCH 021/119] xfs: rename flist/free_list to dfops From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 021/119] xfs: rename flist/free_list to dfops To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:20:06 -0700 Message-ID: <146612640648.12839.2455186020787957758.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126414 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 68740 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Mechanical change of flist/free_list to dfops, since they're now deferred ops, not just a freeing list. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_attr.c | 62 ++++++++++----------- fs/xfs/libxfs/xfs_attr_leaf.c | 4 + fs/xfs/libxfs/xfs_attr_remote.c | 18 +++--- fs/xfs/libxfs/xfs_bmap.c | 116 ++++++++++++++++++++------------------- fs/xfs/libxfs/xfs_bmap.h | 10 ++- fs/xfs/libxfs/xfs_bmap_btree.c | 14 ++--- fs/xfs/libxfs/xfs_btree.h | 4 + fs/xfs/libxfs/xfs_da_btree.c | 6 +- fs/xfs/libxfs/xfs_da_btree.h | 2 - fs/xfs/libxfs/xfs_dir2.c | 14 ++--- fs/xfs/libxfs/xfs_dir2.h | 6 +- fs/xfs/libxfs/xfs_ialloc.c | 14 ++--- fs/xfs/libxfs/xfs_ialloc.h | 2 - fs/xfs/xfs_bmap_util.c | 40 +++++++------ fs/xfs/xfs_dquot.c | 10 ++- fs/xfs/xfs_filestream.c | 2 - fs/xfs/xfs_inode.c | 94 ++++++++++++++++---------------- fs/xfs/xfs_iomap.c | 30 +++++----- fs/xfs/xfs_rtalloc.c | 10 ++- fs/xfs/xfs_symlink.c | 24 ++++---- 20 files changed, 241 insertions(+), 241 deletions(-) diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index 66baf97..af1ecb1 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -204,7 +204,7 @@ xfs_attr_set( { struct xfs_mount *mp = dp->i_mount; struct xfs_da_args args; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; struct xfs_trans_res tres; xfs_fsblock_t firstblock; int rsvd = (flags & ATTR_ROOT) != 0; @@ -222,7 +222,7 @@ xfs_attr_set( args.value = value; args.valuelen = valuelen; args.firstblock = &firstblock; - args.flist = &flist; + args.dfops = &dfops; args.op_flags = XFS_DA_OP_ADDNAME | XFS_DA_OP_OKNOENT; args.total = xfs_attr_calc_size(&args, &local); @@ -317,13 +317,13 @@ xfs_attr_set( * It won't fit in the shortform, transform to a leaf block. * GROT: another possible req'mt for a double-split btree op. */ - xfs_defer_init(args.flist, args.firstblock); + xfs_defer_init(args.dfops, args.firstblock); error = xfs_attr_shortform_to_leaf(&args); if (!error) - error = xfs_defer_finish(&args.trans, args.flist, dp); + error = xfs_defer_finish(&args.trans, args.dfops, dp); if (error) { args.trans = NULL; - xfs_defer_cancel(&flist); + xfs_defer_cancel(&dfops); goto out; } @@ -383,7 +383,7 @@ xfs_attr_remove( { struct xfs_mount *mp = dp->i_mount; struct xfs_da_args args; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; xfs_fsblock_t firstblock; int error; @@ -400,7 +400,7 @@ xfs_attr_remove( return error; args.firstblock = &firstblock; - args.flist = &flist; + args.dfops = &dfops; /* * we have no control over the attribute names that userspace passes us @@ -585,13 +585,13 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * Commit that transaction so that the node_addname() call * can manage its own transactions. */ - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_node(args); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } @@ -675,15 +675,15 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) error = xfs_defer_finish(&args->trans, - args->flist, dp); + args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } } @@ -738,14 +738,14 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } } @@ -864,14 +864,14 @@ restart: */ xfs_da_state_free(state); state = NULL; - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_node(args); if (!error) error = xfs_defer_finish(&args->trans, - args->flist, dp); + args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } @@ -892,13 +892,13 @@ restart: * in the index/blkno/rmtblkno/rmtblkcnt fields and * in the index2/blkno2/rmtblkno2/rmtblkcnt2 fields. */ - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_da3_split(state); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } } else { @@ -991,14 +991,14 @@ restart: * Check to see if the tree needs to be collapsed. */ if (retval && (state->path.active > 1)) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_da3_join(state); if (!error) error = xfs_defer_finish(&args->trans, - args->flist, dp); + args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } } @@ -1114,13 +1114,13 @@ xfs_attr_node_removename(xfs_da_args_t *args) * Check to see if the tree needs to be collapsed. */ if (retval && (state->path.active > 1)) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_da3_join(state); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } /* @@ -1147,15 +1147,15 @@ xfs_attr_node_removename(xfs_da_args_t *args) goto out; if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) error = xfs_defer_finish(&args->trans, - args->flist, dp); + args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } } else diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c index 01a5ecf..8ea91f3 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.c +++ b/fs/xfs/libxfs/xfs_attr_leaf.c @@ -792,7 +792,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args) nargs.dp = dp; nargs.geo = args->geo; nargs.firstblock = args->firstblock; - nargs.flist = args->flist; + nargs.dfops = args->dfops; nargs.total = args->total; nargs.whichfork = XFS_ATTR_FORK; nargs.trans = args->trans; @@ -922,7 +922,7 @@ xfs_attr3_leaf_to_shortform( nargs.geo = args->geo; nargs.dp = dp; nargs.firstblock = args->firstblock; - nargs.flist = args->flist; + nargs.dfops = args->dfops; nargs.total = args->total; nargs.whichfork = XFS_ATTR_FORK; nargs.trans = args->trans; diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index aabb516..d52f525 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -461,16 +461,16 @@ xfs_attr_rmtval_set( * extent and then crash then the block may not contain the * correct metadata after log recovery occurs. */ - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); nmap = 1; error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, blkcnt, XFS_BMAPI_ATTRFORK, args->firstblock, - args->total, &map, &nmap, args->flist); + args->total, &map, &nmap, args->dfops); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } @@ -504,7 +504,7 @@ xfs_attr_rmtval_set( ASSERT(blkcnt > 0); - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); nmap = 1; error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno, blkcnt, &map, &nmap, @@ -604,16 +604,16 @@ xfs_attr_rmtval_remove( blkcnt = args->rmtblkcnt; done = 0; while (!done) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt, XFS_BMAPI_ATTRFORK, 1, args->firstblock, - args->flist, &done); + args->dfops, &done); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, + error = xfs_defer_finish(&args->trans, args->dfops, args->dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 45ce7bd..85061a0 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -572,7 +572,7 @@ xfs_bmap_validate_ret( void xfs_bmap_add_free( struct xfs_mount *mp, /* mount point structure */ - struct xfs_defer_ops *flist, /* list of extents */ + struct xfs_defer_ops *dfops, /* list of extents */ xfs_fsblock_t bno, /* fs block number of extent */ xfs_filblks_t len) /* length of extent */ { @@ -596,7 +596,7 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; - xfs_defer_add(flist, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); } /* @@ -649,7 +649,7 @@ xfs_bmap_btree_to_extents( cblock = XFS_BUF_TO_BLOCK(cbp); if ((error = xfs_btree_check_block(cur, cblock, 0, cbp))) return error; - xfs_bmap_add_free(mp, cur->bc_private.b.flist, cbno, 1); + xfs_bmap_add_free(mp, cur->bc_private.b.dfops, cbno, 1); ip->i_d.di_nblocks--; xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L); xfs_trans_binval(tp, cbp); @@ -672,7 +672,7 @@ xfs_bmap_extents_to_btree( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first-block-allocated */ - struct xfs_defer_ops *flist, /* blocks freed in xaction */ + struct xfs_defer_ops *dfops, /* blocks freed in xaction */ xfs_btree_cur_t **curp, /* cursor returned to caller */ int wasdel, /* converting a delayed alloc */ int *logflagsp, /* inode logging flags */ @@ -721,7 +721,7 @@ xfs_bmap_extents_to_btree( */ cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; - cur->bc_private.b.flist = flist; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.flags = wasdel ? XFS_BTCUR_BPRV_WASDEL : 0; /* * Convert to a btree with two levels, one record in root. @@ -734,7 +734,7 @@ xfs_bmap_extents_to_btree( if (*firstblock == NULLFSBLOCK) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = XFS_INO_TO_FSB(mp, ip->i_ino); - } else if (flist->dop_low) { + } else if (dfops->dop_low) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = *firstblock; } else { @@ -755,7 +755,7 @@ xfs_bmap_extents_to_btree( ASSERT(args.fsbno != NULLFSBLOCK); ASSERT(*firstblock == NULLFSBLOCK || args.agno == XFS_FSB_TO_AGNO(mp, *firstblock) || - (flist->dop_low && + (dfops->dop_low && args.agno > XFS_FSB_TO_AGNO(mp, *firstblock))); *firstblock = cur->bc_private.b.firstblock = args.fsbno; cur->bc_private.b.allocated++; @@ -940,7 +940,7 @@ xfs_bmap_add_attrfork_btree( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - struct xfs_defer_ops *flist, /* blocks to free at commit */ + struct xfs_defer_ops *dfops, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -953,7 +953,7 @@ xfs_bmap_add_attrfork_btree( *flags |= XFS_ILOG_DBROOT; else { cur = xfs_bmbt_init_cursor(mp, tp, ip, XFS_DATA_FORK); - cur->bc_private.b.flist = flist; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.firstblock = *firstblock; if ((error = xfs_bmbt_lookup_ge(cur, 0, 0, 0, &stat))) goto error0; @@ -983,7 +983,7 @@ xfs_bmap_add_attrfork_extents( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - struct xfs_defer_ops *flist, /* blocks to free at commit */ + struct xfs_defer_ops *dfops, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -992,7 +992,7 @@ xfs_bmap_add_attrfork_extents( if (ip->i_d.di_nextents * sizeof(xfs_bmbt_rec_t) <= XFS_IFORK_DSIZE(ip)) return 0; cur = NULL; - error = xfs_bmap_extents_to_btree(tp, ip, firstblock, flist, &cur, 0, + error = xfs_bmap_extents_to_btree(tp, ip, firstblock, dfops, &cur, 0, flags, XFS_DATA_FORK); if (cur) { cur->bc_private.b.allocated = 0; @@ -1018,7 +1018,7 @@ xfs_bmap_add_attrfork_local( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - struct xfs_defer_ops *flist, /* blocks to free at commit */ + struct xfs_defer_ops *dfops, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_da_args_t dargs; /* args for dir/attr code */ @@ -1031,7 +1031,7 @@ xfs_bmap_add_attrfork_local( dargs.geo = ip->i_mount->m_dir_geo; dargs.dp = ip; dargs.firstblock = firstblock; - dargs.flist = flist; + dargs.dfops = dfops; dargs.total = dargs.geo->fsbcount; dargs.whichfork = XFS_DATA_FORK; dargs.trans = tp; @@ -1059,7 +1059,7 @@ xfs_bmap_add_attrfork( int rsvd) /* xact may use reserved blks */ { xfs_fsblock_t firstblock; /* 1st block/ag allocated */ - struct xfs_defer_ops flist; /* freed extent records */ + struct xfs_defer_ops dfops; /* freed extent records */ xfs_mount_t *mp; /* mount structure */ xfs_trans_t *tp; /* transaction pointer */ int blks; /* space reservation */ @@ -1125,18 +1125,18 @@ xfs_bmap_add_attrfork( ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP); ip->i_afp->if_flags = XFS_IFEXTENTS; logflags = 0; - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); switch (ip->i_d.di_format) { case XFS_DINODE_FMT_LOCAL: - error = xfs_bmap_add_attrfork_local(tp, ip, &firstblock, &flist, + error = xfs_bmap_add_attrfork_local(tp, ip, &firstblock, &dfops, &logflags); break; case XFS_DINODE_FMT_EXTENTS: error = xfs_bmap_add_attrfork_extents(tp, ip, &firstblock, - &flist, &logflags); + &dfops, &logflags); break; case XFS_DINODE_FMT_BTREE: - error = xfs_bmap_add_attrfork_btree(tp, ip, &firstblock, &flist, + error = xfs_bmap_add_attrfork_btree(tp, ip, &firstblock, &dfops, &logflags); break; default: @@ -1165,7 +1165,7 @@ xfs_bmap_add_attrfork( xfs_log_sb(tp); } - error = xfs_defer_finish(&tp, &flist, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto bmap_cancel; error = xfs_trans_commit(tp); @@ -1173,7 +1173,7 @@ xfs_bmap_add_attrfork( return error; bmap_cancel: - xfs_defer_cancel(&flist); + xfs_defer_cancel(&dfops); trans_cancel: xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -1970,7 +1970,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, + bma->firstblock, bma->dfops, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -2054,7 +2054,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, &bma->cur, 1, + bma->firstblock, bma->dfops, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -2123,7 +2123,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, &bma->cur, + bma->firstblock, bma->dfops, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -2172,7 +2172,7 @@ xfs_bmap_add_extent_delay_real( ASSERT(bma->cur == NULL); error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, &bma->cur, + bma->firstblock, bma->dfops, &bma->cur, da_old > 0, &tmp_logflags, whichfork); bma->logflags |= tmp_logflags; if (error) @@ -2214,7 +2214,7 @@ xfs_bmap_add_extent_unwritten_real( xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ xfs_fsblock_t *first, /* pointer to firstblock variable */ - struct xfs_defer_ops *flist, /* list of extents to be freed */ + struct xfs_defer_ops *dfops, /* list of extents to be freed */ int *logflagsp) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -2707,7 +2707,7 @@ xfs_bmap_add_extent_unwritten_real( int tmp_logflags; /* partial log flag return val */ ASSERT(cur == NULL); - error = xfs_bmap_extents_to_btree(tp, ip, first, flist, &cur, + error = xfs_bmap_extents_to_btree(tp, ip, first, dfops, &cur, 0, &tmp_logflags, XFS_DATA_FORK); *logflagsp |= tmp_logflags; if (error) @@ -3100,7 +3100,7 @@ xfs_bmap_add_extent_hole_real( ASSERT(bma->cur == NULL); error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, &bma->cur, + bma->firstblock, bma->dfops, &bma->cur, 0, &tmp_logflags, whichfork); bma->logflags |= tmp_logflags; if (error) @@ -3675,7 +3675,7 @@ xfs_bmap_btalloc( error = xfs_bmap_btalloc_nullfb(ap, &args, &blen); if (error) return error; - } else if (ap->flist->dop_low) { + } else if (ap->dfops->dop_low) { if (xfs_inode_is_filestream(ap->ip)) args.type = XFS_ALLOCTYPE_FIRST_AG; else @@ -3708,7 +3708,7 @@ xfs_bmap_btalloc( * is >= the stripe unit and the allocation offset is * at the end of file. */ - if (!ap->flist->dop_low && ap->aeof) { + if (!ap->dfops->dop_low && ap->aeof) { if (!ap->offset) { args.alignment = stripe_align; atype = args.type; @@ -3801,7 +3801,7 @@ xfs_bmap_btalloc( args.minleft = 0; if ((error = xfs_alloc_vextent(&args))) return error; - ap->flist->dop_low = true; + ap->dfops->dop_low = true; } if (args.fsbno != NULLFSBLOCK) { /* @@ -3811,7 +3811,7 @@ xfs_bmap_btalloc( ASSERT(*ap->firstblock == NULLFSBLOCK || XFS_FSB_TO_AGNO(mp, *ap->firstblock) == XFS_FSB_TO_AGNO(mp, args.fsbno) || - (ap->flist->dop_low && + (ap->dfops->dop_low && XFS_FSB_TO_AGNO(mp, *ap->firstblock) < XFS_FSB_TO_AGNO(mp, args.fsbno))); @@ -3819,7 +3819,7 @@ xfs_bmap_btalloc( if (*ap->firstblock == NULLFSBLOCK) *ap->firstblock = args.fsbno; ASSERT(nullfb || fb_agno == args.agno || - (ap->flist->dop_low && fb_agno < args.agno)); + (ap->dfops->dop_low && fb_agno < args.agno)); ap->length = args.len; ap->ip->i_d.di_nblocks += args.len; xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); @@ -4286,7 +4286,7 @@ xfs_bmapi_allocate( if (error) return error; - if (bma->flist->dop_low) + if (bma->dfops->dop_low) bma->minleft = 0; if (bma->cur) bma->cur->bc_private.b.firstblock = *bma->firstblock; @@ -4295,7 +4295,7 @@ xfs_bmapi_allocate( if ((ifp->if_flags & XFS_IFBROOT) && !bma->cur) { bma->cur = xfs_bmbt_init_cursor(mp, bma->tp, bma->ip, whichfork); bma->cur->bc_private.b.firstblock = *bma->firstblock; - bma->cur->bc_private.b.flist = bma->flist; + bma->cur->bc_private.b.dfops = bma->dfops; } /* * Bump the number of extents we've allocated @@ -4376,7 +4376,7 @@ xfs_bmapi_convert_unwritten( bma->cur = xfs_bmbt_init_cursor(bma->ip->i_mount, bma->tp, bma->ip, whichfork); bma->cur->bc_private.b.firstblock = *bma->firstblock; - bma->cur->bc_private.b.flist = bma->flist; + bma->cur->bc_private.b.dfops = bma->dfops; } mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN) ? XFS_EXT_NORM : XFS_EXT_UNWRITTEN; @@ -4393,7 +4393,7 @@ xfs_bmapi_convert_unwritten( } error = xfs_bmap_add_extent_unwritten_real(bma->tp, bma->ip, &bma->idx, - &bma->cur, mval, bma->firstblock, bma->flist, + &bma->cur, mval, bma->firstblock, bma->dfops, &tmp_logflags); /* * Log the inode core unconditionally in the unwritten extent conversion @@ -4447,7 +4447,7 @@ xfs_bmapi_write( xfs_extlen_t total, /* total blocks needed */ struct xfs_bmbt_irec *mval, /* output: map values */ int *nmap, /* i/o: mval size/count */ - struct xfs_defer_ops *flist) /* i/o: list extents to free */ + struct xfs_defer_ops *dfops) /* i/o: list extents to free */ { struct xfs_mount *mp = ip->i_mount; struct xfs_ifork *ifp; @@ -4537,7 +4537,7 @@ xfs_bmapi_write( bma.ip = ip; bma.total = total; bma.userdata = 0; - bma.flist = flist; + bma.dfops = dfops; bma.firstblock = firstblock; while (bno < end && n < *nmap) { @@ -4651,7 +4651,7 @@ error0: XFS_FSB_TO_AGNO(mp, *firstblock) == XFS_FSB_TO_AGNO(mp, bma.cur->bc_private.b.firstblock) || - (flist->dop_low && + (dfops->dop_low && XFS_FSB_TO_AGNO(mp, *firstblock) < XFS_FSB_TO_AGNO(mp, bma.cur->bc_private.b.firstblock))); @@ -4735,7 +4735,7 @@ xfs_bmap_del_extent( xfs_inode_t *ip, /* incore inode pointer */ xfs_trans_t *tp, /* current transaction pointer */ xfs_extnum_t *idx, /* extent number to update/delete */ - struct xfs_defer_ops *flist, /* list of extents to be freed */ + struct xfs_defer_ops *dfops, /* list of extents to be freed */ xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *del, /* data to remove from extents */ int *logflagsp, /* inode logging flags */ @@ -5023,7 +5023,7 @@ xfs_bmap_del_extent( * If we need to, add to list of extents to delete. */ if (do_fx) - xfs_bmap_add_free(mp, flist, del->br_startblock, + xfs_bmap_add_free(mp, dfops, del->br_startblock, del->br_blockcount); /* * Adjust inode # blocks in the file. @@ -5064,7 +5064,7 @@ xfs_bunmapi( xfs_extnum_t nexts, /* number of extents max */ xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ - struct xfs_defer_ops *flist, /* i/o: list extents to free */ + struct xfs_defer_ops *dfops, /* i/o: list extents to free */ int *done) /* set if not done yet */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -5137,7 +5137,7 @@ xfs_bunmapi( ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE); cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; - cur->bc_private.b.flist = flist; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.flags = 0; } else cur = NULL; @@ -5229,7 +5229,7 @@ xfs_bunmapi( } del.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent_unwritten_real(tp, ip, - &lastx, &cur, &del, firstblock, flist, + &lastx, &cur, &del, firstblock, dfops, &logflags); if (error) goto error0; @@ -5288,7 +5288,7 @@ xfs_bunmapi( lastx--; error = xfs_bmap_add_extent_unwritten_real(tp, ip, &lastx, &cur, &prev, - firstblock, flist, &logflags); + firstblock, dfops, &logflags); if (error) goto error0; goto nodelete; @@ -5297,7 +5297,7 @@ xfs_bunmapi( del.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent_unwritten_real(tp, ip, &lastx, &cur, &del, - firstblock, flist, &logflags); + firstblock, dfops, &logflags); if (error) goto error0; goto nodelete; @@ -5355,7 +5355,7 @@ xfs_bunmapi( } else if (cur) cur->bc_private.b.flags &= ~XFS_BTCUR_BPRV_WASDEL; - error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del, + error = xfs_bmap_del_extent(ip, tp, &lastx, dfops, cur, &del, &tmp_logflags, whichfork); logflags |= tmp_logflags; if (error) @@ -5389,7 +5389,7 @@ nodelete: */ if (xfs_bmap_needs_btree(ip, whichfork)) { ASSERT(cur == NULL); - error = xfs_bmap_extents_to_btree(tp, ip, firstblock, flist, + error = xfs_bmap_extents_to_btree(tp, ip, firstblock, dfops, &cur, 0, &tmp_logflags, whichfork); logflags |= tmp_logflags; if (error) @@ -5678,7 +5678,7 @@ xfs_bmap_shift_extents( int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, - struct xfs_defer_ops *flist, + struct xfs_defer_ops *dfops, enum shift_direction direction, int num_exts) { @@ -5723,7 +5723,7 @@ xfs_bmap_shift_extents( if (ifp->if_flags & XFS_IFBROOT) { cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; - cur->bc_private.b.flist = flist; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.flags = 0; } @@ -5832,7 +5832,7 @@ xfs_bmap_split_extent_at( struct xfs_inode *ip, xfs_fileoff_t split_fsb, xfs_fsblock_t *firstfsb, - struct xfs_defer_ops *free_list) + struct xfs_defer_ops *dfops) { int whichfork = XFS_DATA_FORK; struct xfs_btree_cur *cur = NULL; @@ -5894,7 +5894,7 @@ xfs_bmap_split_extent_at( if (ifp->if_flags & XFS_IFBROOT) { cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstfsb; - cur->bc_private.b.flist = free_list; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.flags = 0; error = xfs_bmbt_lookup_eq(cur, got.br_startoff, got.br_startblock, @@ -5947,7 +5947,7 @@ xfs_bmap_split_extent_at( int tmp_logflags; /* partial log flag return val */ ASSERT(cur == NULL); - error = xfs_bmap_extents_to_btree(tp, ip, firstfsb, free_list, + error = xfs_bmap_extents_to_btree(tp, ip, firstfsb, dfops, &cur, 0, &tmp_logflags, whichfork); logflags |= tmp_logflags; } @@ -5971,7 +5971,7 @@ xfs_bmap_split_extent( { struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t firstfsb; int error; @@ -5983,21 +5983,21 @@ xfs_bmap_split_extent( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_defer_init(&free_list, &firstfsb); + xfs_defer_init(&dfops, &firstfsb); error = xfs_bmap_split_extent_at(tp, ip, split_fsb, - &firstfsb, &free_list); + &firstfsb, &dfops); if (error) goto out; - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto out; return xfs_trans_commit(tp); out: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); xfs_trans_cancel(tp); return error; } diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index e2a0425..8c5f530 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -32,7 +32,7 @@ extern kmem_zone_t *xfs_bmap_free_item_zone; */ struct xfs_bmalloca { xfs_fsblock_t *firstblock; /* i/o first block allocated */ - struct xfs_defer_ops *flist; /* bmap freelist */ + struct xfs_defer_ops *dfops; /* bmap freelist */ struct xfs_trans *tp; /* transaction pointer */ struct xfs_inode *ip; /* incore inode pointer */ struct xfs_bmbt_irec prev; /* extent before the new one */ @@ -164,7 +164,7 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt, int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); -void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *flist, +void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *dfops, xfs_fsblock_t bno, xfs_filblks_t len); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, @@ -186,18 +186,18 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_fsblock_t *firstblock, xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap, - struct xfs_defer_ops *flist); + struct xfs_defer_ops *dfops); int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, - struct xfs_defer_ops *flist, int *done); + struct xfs_defer_ops *dfops, int *done); int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, xfs_extnum_t num); uint xfs_default_attroffset(struct xfs_inode *ip); int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t *next_fsb, xfs_fileoff_t offset_shift_fsb, int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, - struct xfs_defer_ops *flist, enum shift_direction direction, + struct xfs_defer_ops *dfops, enum shift_direction direction, int num_exts); int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset); diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index fa5e3a5..18b5361 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -407,11 +407,11 @@ xfs_bmbt_dup_cursor( cur->bc_private.b.ip, cur->bc_private.b.whichfork); /* - * Copy the firstblock, flist, and flags values, + * Copy the firstblock, dfops, and flags values, * since init cursor doesn't get them. */ new->bc_private.b.firstblock = cur->bc_private.b.firstblock; - new->bc_private.b.flist = cur->bc_private.b.flist; + new->bc_private.b.dfops = cur->bc_private.b.dfops; new->bc_private.b.flags = cur->bc_private.b.flags; return new; @@ -424,7 +424,7 @@ xfs_bmbt_update_cursor( { ASSERT((dst->bc_private.b.firstblock != NULLFSBLOCK) || (dst->bc_private.b.ip->i_d.di_flags & XFS_DIFLAG_REALTIME)); - ASSERT(dst->bc_private.b.flist == src->bc_private.b.flist); + ASSERT(dst->bc_private.b.dfops == src->bc_private.b.dfops); dst->bc_private.b.allocated += src->bc_private.b.allocated; dst->bc_private.b.firstblock = src->bc_private.b.firstblock; @@ -463,7 +463,7 @@ xfs_bmbt_alloc_block( * block allocation here and corrupt the filesystem. */ args.minleft = args.tp->t_blk_res; - } else if (cur->bc_private.b.flist->dop_low) { + } else if (cur->bc_private.b.dfops->dop_low) { args.type = XFS_ALLOCTYPE_START_BNO; } else { args.type = XFS_ALLOCTYPE_NEAR_BNO; @@ -491,7 +491,7 @@ xfs_bmbt_alloc_block( error = xfs_alloc_vextent(&args); if (error) goto error0; - cur->bc_private.b.flist->dop_low = true; + cur->bc_private.b.dfops->dop_low = true; } if (args.fsbno == NULLFSBLOCK) { XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); @@ -527,7 +527,7 @@ xfs_bmbt_free_block( struct xfs_trans *tp = cur->bc_tp; xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); - xfs_bmap_add_free(mp, cur->bc_private.b.flist, fsbno, 1); + xfs_bmap_add_free(mp, cur->bc_private.b.dfops, fsbno, 1); ip->i_d.di_nblocks--; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); @@ -789,7 +789,7 @@ xfs_bmbt_init_cursor( cur->bc_private.b.forksize = XFS_IFORK_SIZE(ip, whichfork); cur->bc_private.b.ip = ip; cur->bc_private.b.firstblock = NULLFSBLOCK; - cur->bc_private.b.flist = NULL; + cur->bc_private.b.dfops = NULL; cur->bc_private.b.allocated = 0; cur->bc_private.b.flags = 0; cur->bc_private.b.whichfork = whichfork; diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index ae714a8..7483cac 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -234,12 +234,12 @@ typedef struct xfs_btree_cur union { struct { /* needed for BNO, CNT, INO */ struct xfs_buf *agbp; /* agf/agi buffer pointer */ - struct xfs_defer_ops *flist; /* deferred updates */ + struct xfs_defer_ops *dfops; /* deferred updates */ xfs_agnumber_t agno; /* ag number */ } a; struct { /* needed for BMAP */ struct xfs_inode *ip; /* pointer to our inode */ - struct xfs_defer_ops *flist; /* deferred updates */ + struct xfs_defer_ops *dfops; /* deferred updates */ xfs_fsblock_t firstblock; /* 1st blk allocated */ int allocated; /* count of alloced */ short forksize; /* fork's inode space */ diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c index 097bf77..68594c7 100644 --- a/fs/xfs/libxfs/xfs_da_btree.c +++ b/fs/xfs/libxfs/xfs_da_btree.c @@ -2030,7 +2030,7 @@ xfs_da_grow_inode_int( error = xfs_bmapi_write(tp, dp, *bno, count, xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA|XFS_BMAPI_CONTIG, args->firstblock, args->total, &map, &nmap, - args->flist); + args->dfops); if (error) return error; @@ -2053,7 +2053,7 @@ xfs_da_grow_inode_int( error = xfs_bmapi_write(tp, dp, b, c, xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA, args->firstblock, args->total, - &mapp[mapi], &nmap, args->flist); + &mapp[mapi], &nmap, args->dfops); if (error) goto out_free_map; if (nmap < 1) @@ -2363,7 +2363,7 @@ xfs_da_shrink_inode( */ error = xfs_bunmapi(tp, dp, dead_blkno, count, xfs_bmapi_aflag(w), 0, args->firstblock, - args->flist, &done); + args->dfops, &done); if (error == -ENOSPC) { if (w != XFS_DATA_FORK) break; diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h index 249813a..98c75cb 100644 --- a/fs/xfs/libxfs/xfs_da_btree.h +++ b/fs/xfs/libxfs/xfs_da_btree.h @@ -70,7 +70,7 @@ typedef struct xfs_da_args { xfs_ino_t inumber; /* input/output inode number */ struct xfs_inode *dp; /* directory inode to manipulate */ xfs_fsblock_t *firstblock; /* ptr to firstblock for bmap calls */ - struct xfs_defer_ops *flist; /* ptr to freelist for bmap_finish */ + struct xfs_defer_ops *dfops; /* ptr to freelist for bmap_finish */ struct xfs_trans *trans; /* current trans (changes over time) */ xfs_extlen_t total; /* total blocks needed, for 1st bmap */ int whichfork; /* data or attribute fork */ diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 0523100..20a96dd 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -260,7 +260,7 @@ xfs_dir_createname( struct xfs_name *name, xfs_ino_t inum, /* new entry inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ - struct xfs_defer_ops *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *dfops, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -287,7 +287,7 @@ xfs_dir_createname( args->inumber = inum; args->dp = dp; args->firstblock = first; - args->flist = flist; + args->dfops = dfops; args->total = total; args->whichfork = XFS_DATA_FORK; args->trans = tp; @@ -437,7 +437,7 @@ xfs_dir_removename( struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, /* bmap's firstblock */ - struct xfs_defer_ops *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *dfops, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -459,7 +459,7 @@ xfs_dir_removename( args->inumber = ino; args->dp = dp; args->firstblock = first; - args->flist = flist; + args->dfops = dfops; args->total = total; args->whichfork = XFS_DATA_FORK; args->trans = tp; @@ -499,7 +499,7 @@ xfs_dir_replace( struct xfs_name *name, /* name of entry to replace */ xfs_ino_t inum, /* new inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ - struct xfs_defer_ops *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *dfops, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -524,7 +524,7 @@ xfs_dir_replace( args->inumber = inum; args->dp = dp; args->firstblock = first; - args->flist = flist; + args->dfops = dfops; args->total = total; args->whichfork = XFS_DATA_FORK; args->trans = tp; @@ -681,7 +681,7 @@ xfs_dir2_shrink_inode( /* Unmap the fsblock(s). */ error = xfs_bunmapi(tp, dp, da, args->geo->fsbcount, 0, 0, - args->firstblock, args->flist, &done); + args->firstblock, args->dfops, &done); if (error) { /* * ENOSPC actually can happen if we're in a removename with no diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index 5737d85..a9bab0e 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -129,18 +129,18 @@ extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_defer_ops *flist, xfs_extlen_t tot); + struct xfs_defer_ops *dfops, xfs_extlen_t tot); extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t *inum, struct xfs_name *ci_name); extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, - struct xfs_defer_ops *flist, xfs_extlen_t tot); + struct xfs_defer_ops *dfops, xfs_extlen_t tot); extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_defer_ops *flist, xfs_extlen_t tot); + struct xfs_defer_ops *dfops, xfs_extlen_t tot); extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name); diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index f2e29a1..dbc3e35 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -1818,7 +1818,7 @@ xfs_difree_inode_chunk( struct xfs_mount *mp, xfs_agnumber_t agno, struct xfs_inobt_rec_incore *rec, - struct xfs_defer_ops *flist) + struct xfs_defer_ops *dfops) { xfs_agblock_t sagbno = XFS_AGINO_TO_AGBNO(mp, rec->ir_startino); int startidx, endidx; @@ -1829,7 +1829,7 @@ xfs_difree_inode_chunk( if (!xfs_inobt_issparse(rec->ir_holemask)) { /* not sparse, calculate extent info directly */ - xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, sagbno), + xfs_bmap_add_free(mp, dfops, XFS_AGB_TO_FSB(mp, agno, sagbno), mp->m_ialloc_blks); return; } @@ -1873,7 +1873,7 @@ xfs_difree_inode_chunk( ASSERT(agbno % mp->m_sb.sb_spino_align == 0); ASSERT(contigblk % mp->m_sb.sb_spino_align == 0); - xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, agbno), + xfs_bmap_add_free(mp, dfops, XFS_AGB_TO_FSB(mp, agno, agbno), contigblk); /* reset range to current bit and carry on... */ @@ -1890,7 +1890,7 @@ xfs_difree_inobt( struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agino_t agino, - struct xfs_defer_ops *flist, + struct xfs_defer_ops *dfops, struct xfs_icluster *xic, struct xfs_inobt_rec_incore *orec) { @@ -1977,7 +1977,7 @@ xfs_difree_inobt( goto error0; } - xfs_difree_inode_chunk(mp, agno, &rec, flist); + xfs_difree_inode_chunk(mp, agno, &rec, dfops); } else { xic->deleted = 0; @@ -2122,7 +2122,7 @@ int xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ - struct xfs_defer_ops *flist, /* extents to free */ + struct xfs_defer_ops *dfops, /* extents to free */ struct xfs_icluster *xic) /* cluster info if deleted */ { /* REFERENCED */ @@ -2174,7 +2174,7 @@ xfs_difree( /* * Fix up the inode allocation btree. */ - error = xfs_difree_inobt(mp, tp, agbp, agino, flist, xic, &rec); + error = xfs_difree_inobt(mp, tp, agbp, agino, dfops, xic, &rec); if (error) goto error0; diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h index 2e06b67..0bb8966 100644 --- a/fs/xfs/libxfs/xfs_ialloc.h +++ b/fs/xfs/libxfs/xfs_ialloc.h @@ -95,7 +95,7 @@ int /* error */ xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ - struct xfs_defer_ops *flist, /* extents to free */ + struct xfs_defer_ops *dfops, /* extents to free */ struct xfs_icluster *ifree); /* cluster info if deleted */ /* diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 928dfa4..62d194e 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -685,7 +685,7 @@ xfs_bmap_punch_delalloc_range( xfs_bmbt_irec_t imap; int nimaps = 1; xfs_fsblock_t firstblock; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; /* * Map the range first and check that it is a delalloc extent @@ -716,18 +716,18 @@ xfs_bmap_punch_delalloc_range( WARN_ON(imap.br_blockcount == 0); /* - * Note: while we initialise the firstblock/flist pair, they + * Note: while we initialise the firstblock/dfops pair, they * should never be used because blocks should never be * allocated or freed for a delalloc extent and hence we need * don't cancel or finish them after the xfs_bunmapi() call. */ - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); error = xfs_bunmapi(NULL, ip, start_fsb, 1, 0, 1, &firstblock, - &flist, &done); + &dfops, &done); if (error) break; - ASSERT(!xfs_defer_has_unfinished_work(&flist)); + ASSERT(!xfs_defer_has_unfinished_work(&dfops)); next_block: start_fsb++; remaining--; @@ -884,7 +884,7 @@ xfs_alloc_file_space( int rt; xfs_trans_t *tp; xfs_bmbt_irec_t imaps[1], *imapp; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; uint qblocks, resblks, resrtextents; int error; @@ -975,17 +975,17 @@ xfs_alloc_file_space( xfs_trans_ijoin(tp, ip, 0); - xfs_defer_init(&free_list, &firstfsb); + xfs_defer_init(&dfops, &firstfsb); error = xfs_bmapi_write(tp, ip, startoffset_fsb, allocatesize_fsb, alloc_type, &firstfsb, - resblks, imapp, &nimaps, &free_list); + resblks, imapp, &nimaps, &dfops); if (error) goto error0; /* * Complete the transaction */ - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto error0; @@ -1008,7 +1008,7 @@ xfs_alloc_file_space( return error; error0: /* Cancel bmap, unlock inode, unreserve quota blocks, cancel trans */ - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); xfs_trans_unreserve_quota_nblks(tp, ip, (long)qblocks, 0, quota_flag); error1: /* Just cancel transaction */ @@ -1122,7 +1122,7 @@ xfs_free_file_space( xfs_fileoff_t endoffset_fsb; int error; xfs_fsblock_t firstfsb; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_bmbt_irec_t imap; xfs_off_t ioffset; xfs_off_t iendoffset; @@ -1245,17 +1245,17 @@ xfs_free_file_space( /* * issue the bunmapi() call to free the blocks */ - xfs_defer_init(&free_list, &firstfsb); + xfs_defer_init(&dfops, &firstfsb); error = xfs_bunmapi(tp, ip, startoffset_fsb, endoffset_fsb - startoffset_fsb, - 0, 2, &firstfsb, &free_list, &done); + 0, 2, &firstfsb, &dfops, &done); if (error) goto error0; /* * complete the transaction */ - error = xfs_defer_finish(&tp, &free_list, ip); + error = xfs_defer_finish(&tp, &dfops, ip); if (error) goto error0; @@ -1267,7 +1267,7 @@ xfs_free_file_space( return error; error0: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); error1: xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -1333,7 +1333,7 @@ xfs_shift_file_space( struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp; int error; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t first_block; xfs_fileoff_t stop_fsb; xfs_fileoff_t next_fsb; @@ -1411,19 +1411,19 @@ xfs_shift_file_space( xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); /* * We are using the write transaction in which max 2 bmbt * updates are allowed */ error = xfs_bmap_shift_extents(tp, ip, &next_fsb, shift_fsb, - &done, stop_fsb, &first_block, &free_list, + &done, stop_fsb, &first_block, &dfops, direction, XFS_BMAP_MAX_SHIFT_EXTENTS); if (error) goto out_bmap_cancel; - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto out_bmap_cancel; @@ -1433,7 +1433,7 @@ xfs_shift_file_space( return error; out_bmap_cancel: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); out_trans_cancel: xfs_trans_cancel(tp); return error; diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 764e1cc..8ca21b8 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -307,7 +307,7 @@ xfs_qm_dqalloc( xfs_buf_t **O_bpp) { xfs_fsblock_t firstblock; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; xfs_bmbt_irec_t map; int nmaps, error; xfs_buf_t *bp; @@ -320,7 +320,7 @@ xfs_qm_dqalloc( /* * Initialize the bmap freelist prior to calling bmapi code. */ - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); xfs_ilock(quotip, XFS_ILOCK_EXCL); /* * Return if this type of quotas is turned off while we didn't @@ -336,7 +336,7 @@ xfs_qm_dqalloc( error = xfs_bmapi_write(tp, quotip, offset_fsb, XFS_DQUOT_CLUSTER_SIZE_FSB, XFS_BMAPI_METADATA, &firstblock, XFS_QM_DQALLOC_SPACE_RES(mp), - &map, &nmaps, &flist); + &map, &nmaps, &dfops); if (error) goto error0; ASSERT(map.br_blockcount == XFS_DQUOT_CLUSTER_SIZE_FSB); @@ -382,7 +382,7 @@ xfs_qm_dqalloc( xfs_trans_bhold(tp, bp); - error = xfs_defer_finish(tpp, &flist, NULL); + error = xfs_defer_finish(tpp, &dfops, NULL); if (error) goto error1; @@ -398,7 +398,7 @@ xfs_qm_dqalloc( return 0; error1: - xfs_defer_cancel(&flist); + xfs_defer_cancel(&dfops); error0: xfs_iunlock(quotip, XFS_ILOCK_EXCL); diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index 3e990fb..4a33a33 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -386,7 +386,7 @@ xfs_filestream_new_ag( } flags = (ap->userdata ? XFS_PICK_USERDATA : 0) | - (ap->flist->dop_low ? XFS_PICK_LOWSPACE : 0); + (ap->dfops->dop_low ? XFS_PICK_LOWSPACE : 0); err = xfs_filestream_pick_ag(pip, startag, agp, flags, minlen); diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 3ce50da..e08eaea 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1123,7 +1123,7 @@ xfs_create( struct xfs_inode *ip = NULL; struct xfs_trans *tp = NULL; int error; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t first_block; bool unlock_dp_on_error = false; prid_t prid; @@ -1183,7 +1183,7 @@ xfs_create( XFS_IOLOCK_PARENT | XFS_ILOCK_PARENT); unlock_dp_on_error = true; - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); /* * Reserve disk quota and the inode. @@ -1220,7 +1220,7 @@ xfs_create( unlock_dp_on_error = false; error = xfs_dir_createname(tp, dp, name, ip->i_ino, - &first_block, &free_list, resblks ? + &first_block, &dfops, resblks ? resblks - XFS_IALLOC_SPACE_RES(mp) : 0); if (error) { ASSERT(error != -ENOSPC); @@ -1254,7 +1254,7 @@ xfs_create( */ xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp); - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto out_bmap_cancel; @@ -1270,7 +1270,7 @@ xfs_create( return 0; out_bmap_cancel: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); out_trans_cancel: xfs_trans_cancel(tp); out_release_inode: @@ -1402,7 +1402,7 @@ xfs_link( xfs_mount_t *mp = tdp->i_mount; xfs_trans_t *tp; int error; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t first_block; int resblks; @@ -1453,7 +1453,7 @@ xfs_link( goto error_return; } - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); /* * Handle initial link state of O_TMPFILE inode @@ -1465,7 +1465,7 @@ xfs_link( } error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino, - &first_block, &free_list, resblks); + &first_block, &dfops, resblks); if (error) goto error_return; xfs_trans_ichgtime(tp, tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -1483,9 +1483,9 @@ xfs_link( if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) xfs_trans_set_sync(tp); - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) { - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); goto error_return; } @@ -1527,7 +1527,7 @@ xfs_itruncate_extents( { struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp = *tpp; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t first_block; xfs_fileoff_t first_unmap_block; xfs_fileoff_t last_block; @@ -1563,12 +1563,12 @@ xfs_itruncate_extents( ASSERT(first_unmap_block < last_block); unmap_len = last_block - first_unmap_block + 1; while (!done) { - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); error = xfs_bunmapi(tp, ip, first_unmap_block, unmap_len, xfs_bmapi_aflag(whichfork), XFS_ITRUNC_MAX_EXTENTS, - &first_block, &free_list, + &first_block, &dfops, &done); if (error) goto out_bmap_cancel; @@ -1577,7 +1577,7 @@ xfs_itruncate_extents( * Duplicate the transaction that has the permanent * reservation and commit the old transaction. */ - error = xfs_defer_finish(&tp, &free_list, ip); + error = xfs_defer_finish(&tp, &dfops, ip); if (error) goto out_bmap_cancel; @@ -1603,7 +1603,7 @@ out_bmap_cancel: * the transaction can be properly aborted. We just need to make sure * we're not holding any resources that we were not when we came in. */ - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); goto out; } @@ -1744,7 +1744,7 @@ STATIC int xfs_inactive_ifree( struct xfs_inode *ip) { - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t first_block; struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp; @@ -1781,8 +1781,8 @@ xfs_inactive_ifree( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, 0); - xfs_defer_init(&free_list, &first_block); - error = xfs_ifree(tp, ip, &free_list); + xfs_defer_init(&dfops, &first_block); + error = xfs_ifree(tp, ip, &dfops); if (error) { /* * If we fail to free the inode, shut down. The cancel @@ -1808,11 +1808,11 @@ xfs_inactive_ifree( * Just ignore errors at this point. There is nothing we can do except * to try to keep going. Make sure it's not a silent error. */ - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) { xfs_notice(mp, "%s: xfs_defer_finish returned error %d", __func__, error); - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); } error = xfs_trans_commit(tp); if (error) @@ -2368,7 +2368,7 @@ int xfs_ifree( xfs_trans_t *tp, xfs_inode_t *ip, - struct xfs_defer_ops *flist) + struct xfs_defer_ops *dfops) { int error; struct xfs_icluster xic = { 0 }; @@ -2387,7 +2387,7 @@ xfs_ifree( if (error) return error; - error = xfs_difree(tp, ip->i_ino, flist, &xic); + error = xfs_difree(tp, ip->i_ino, dfops, &xic); if (error) return error; @@ -2490,7 +2490,7 @@ xfs_remove( xfs_trans_t *tp = NULL; int is_dir = S_ISDIR(VFS_I(ip)->i_mode); int error = 0; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t first_block; uint resblks; @@ -2572,9 +2572,9 @@ xfs_remove( if (error) goto out_trans_cancel; - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); error = xfs_dir_removename(tp, dp, name, ip->i_ino, - &first_block, &free_list, resblks); + &first_block, &dfops, resblks); if (error) { ASSERT(error != -ENOENT); goto out_bmap_cancel; @@ -2588,7 +2588,7 @@ xfs_remove( if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) xfs_trans_set_sync(tp); - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto out_bmap_cancel; @@ -2602,7 +2602,7 @@ xfs_remove( return 0; out_bmap_cancel: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); out_trans_cancel: xfs_trans_cancel(tp); std_return: @@ -2663,7 +2663,7 @@ xfs_sort_for_rename( static int xfs_finish_rename( struct xfs_trans *tp, - struct xfs_defer_ops *free_list) + struct xfs_defer_ops *dfops) { int error; @@ -2674,9 +2674,9 @@ xfs_finish_rename( if (tp->t_mountp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) xfs_trans_set_sync(tp); - error = xfs_defer_finish(&tp, free_list, NULL); + error = xfs_defer_finish(&tp, dfops, NULL); if (error) { - xfs_defer_cancel(free_list); + xfs_defer_cancel(dfops); xfs_trans_cancel(tp); return error; } @@ -2698,7 +2698,7 @@ xfs_cross_rename( struct xfs_inode *dp2, struct xfs_name *name2, struct xfs_inode *ip2, - struct xfs_defer_ops *free_list, + struct xfs_defer_ops *dfops, xfs_fsblock_t *first_block, int spaceres) { @@ -2710,14 +2710,14 @@ xfs_cross_rename( /* Swap inode number for dirent in first parent */ error = xfs_dir_replace(tp, dp1, name1, ip2->i_ino, - first_block, free_list, spaceres); + first_block, dfops, spaceres); if (error) goto out_trans_abort; /* Swap inode number for dirent in second parent */ error = xfs_dir_replace(tp, dp2, name2, ip1->i_ino, - first_block, free_list, spaceres); + first_block, dfops, spaceres); if (error) goto out_trans_abort; @@ -2732,7 +2732,7 @@ xfs_cross_rename( if (S_ISDIR(VFS_I(ip2)->i_mode)) { error = xfs_dir_replace(tp, ip2, &xfs_name_dotdot, dp1->i_ino, first_block, - free_list, spaceres); + dfops, spaceres); if (error) goto out_trans_abort; @@ -2759,7 +2759,7 @@ xfs_cross_rename( if (S_ISDIR(VFS_I(ip1)->i_mode)) { error = xfs_dir_replace(tp, ip1, &xfs_name_dotdot, dp2->i_ino, first_block, - free_list, spaceres); + dfops, spaceres); if (error) goto out_trans_abort; @@ -2798,10 +2798,10 @@ xfs_cross_rename( } xfs_trans_ichgtime(tp, dp1, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); xfs_trans_log_inode(tp, dp1, XFS_ILOG_CORE); - return xfs_finish_rename(tp, free_list); + return xfs_finish_rename(tp, dfops); out_trans_abort: - xfs_defer_cancel(free_list); + xfs_defer_cancel(dfops); xfs_trans_cancel(tp); return error; } @@ -2856,7 +2856,7 @@ xfs_rename( { struct xfs_mount *mp = src_dp->i_mount; struct xfs_trans *tp; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t first_block; struct xfs_inode *wip = NULL; /* whiteout inode */ struct xfs_inode *inodes[__XFS_SORT_INODES]; @@ -2945,13 +2945,13 @@ xfs_rename( goto out_trans_cancel; } - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); /* RENAME_EXCHANGE is unique from here on. */ if (flags & RENAME_EXCHANGE) return xfs_cross_rename(tp, src_dp, src_name, src_ip, target_dp, target_name, target_ip, - &free_list, &first_block, spaceres); + &dfops, &first_block, spaceres); /* * Set up the target. @@ -2973,7 +2973,7 @@ xfs_rename( */ error = xfs_dir_createname(tp, target_dp, target_name, src_ip->i_ino, &first_block, - &free_list, spaceres); + &dfops, spaceres); if (error) goto out_bmap_cancel; @@ -3013,7 +3013,7 @@ xfs_rename( */ error = xfs_dir_replace(tp, target_dp, target_name, src_ip->i_ino, - &first_block, &free_list, spaceres); + &first_block, &dfops, spaceres); if (error) goto out_bmap_cancel; @@ -3048,7 +3048,7 @@ xfs_rename( */ error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot, target_dp->i_ino, - &first_block, &free_list, spaceres); + &first_block, &dfops, spaceres); ASSERT(error != -EEXIST); if (error) goto out_bmap_cancel; @@ -3087,10 +3087,10 @@ xfs_rename( */ if (wip) { error = xfs_dir_replace(tp, src_dp, src_name, wip->i_ino, - &first_block, &free_list, spaceres); + &first_block, &dfops, spaceres); } else error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino, - &first_block, &free_list, spaceres); + &first_block, &dfops, spaceres); if (error) goto out_bmap_cancel; @@ -3125,13 +3125,13 @@ xfs_rename( if (new_parent) xfs_trans_log_inode(tp, target_dp, XFS_ILOG_CORE); - error = xfs_finish_rename(tp, &free_list); + error = xfs_finish_rename(tp, &dfops); if (wip) IRELE(wip); return error; out_bmap_cancel: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); out_trans_cancel: xfs_trans_cancel(tp); out_release_wip: diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index cb7abe84..61b61f51 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -128,7 +128,7 @@ xfs_iomap_write_direct( int quota_flag; int rt; xfs_trans_t *tp; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; uint qblocks, resblks, resrtextents; int error; int lockmode; @@ -231,18 +231,18 @@ xfs_iomap_write_direct( * From this point onwards we overwrite the imap pointer that the * caller gave to us. */ - xfs_defer_init(&free_list, &firstfsb); + xfs_defer_init(&dfops, &firstfsb); nimaps = 1; error = xfs_bmapi_write(tp, ip, offset_fsb, count_fsb, bmapi_flags, &firstfsb, resblks, imap, - &nimaps, &free_list); + &nimaps, &dfops); if (error) goto out_bmap_cancel; /* * Complete the transaction */ - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto out_bmap_cancel; @@ -266,7 +266,7 @@ out_unlock: return error; out_bmap_cancel: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); xfs_trans_unreserve_quota_nblks(tp, ip, (long)qblocks, 0, quota_flag); out_trans_cancel: xfs_trans_cancel(tp); @@ -685,7 +685,7 @@ xfs_iomap_write_allocate( xfs_fileoff_t offset_fsb, last_block; xfs_fileoff_t end_fsb, map_start_fsb; xfs_fsblock_t first_block; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_filblks_t count_fsb; xfs_trans_t *tp; int nimaps; @@ -727,7 +727,7 @@ xfs_iomap_write_allocate( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, 0); - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); /* * it is possible that the extents have changed since @@ -783,11 +783,11 @@ xfs_iomap_write_allocate( error = xfs_bmapi_write(tp, ip, map_start_fsb, count_fsb, 0, &first_block, nres, imap, &nimaps, - &free_list); + &dfops); if (error) goto trans_cancel; - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto trans_cancel; @@ -821,7 +821,7 @@ xfs_iomap_write_allocate( } trans_cancel: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); xfs_trans_cancel(tp); error0: xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -842,7 +842,7 @@ xfs_iomap_write_unwritten( int nimaps; xfs_trans_t *tp; xfs_bmbt_irec_t imap; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsize_t i_size; uint resblks; int error; @@ -886,11 +886,11 @@ xfs_iomap_write_unwritten( /* * Modify the unwritten extent state of the buffer. */ - xfs_defer_init(&free_list, &firstfsb); + xfs_defer_init(&dfops, &firstfsb); nimaps = 1; error = xfs_bmapi_write(tp, ip, offset_fsb, count_fsb, XFS_BMAPI_CONVERT, &firstfsb, resblks, - &imap, &nimaps, &free_list); + &imap, &nimaps, &dfops); if (error) goto error_on_bmapi_transaction; @@ -909,7 +909,7 @@ xfs_iomap_write_unwritten( xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); } - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto error_on_bmapi_transaction; @@ -936,7 +936,7 @@ xfs_iomap_write_unwritten( return 0; error_on_bmapi_transaction: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); return error; diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index c761a6a..802bcc3 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -770,7 +770,7 @@ xfs_growfs_rt_alloc( xfs_daddr_t d; /* disk block address */ int error; /* error return value */ xfs_fsblock_t firstblock;/* first block allocated in xaction */ - struct xfs_defer_ops flist; /* list of freed blocks */ + struct xfs_defer_ops dfops; /* list of freed blocks */ xfs_fsblock_t fsbno; /* filesystem block for bno */ struct xfs_bmbt_irec map; /* block map output */ int nmap; /* number of block maps */ @@ -795,14 +795,14 @@ xfs_growfs_rt_alloc( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); /* * Allocate blocks to the bitmap file. */ nmap = 1; error = xfs_bmapi_write(tp, ip, oblocks, nblocks - oblocks, XFS_BMAPI_METADATA, &firstblock, - resblks, &map, &nmap, &flist); + resblks, &map, &nmap, &dfops); if (!error && nmap < 1) error = -ENOSPC; if (error) @@ -810,7 +810,7 @@ xfs_growfs_rt_alloc( /* * Free any blocks freed up in the transaction, then commit. */ - error = xfs_defer_finish(&tp, &flist, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto out_bmap_cancel; error = xfs_trans_commit(tp); @@ -863,7 +863,7 @@ xfs_growfs_rt_alloc( return 0; out_bmap_cancel: - xfs_defer_cancel(&flist); + xfs_defer_cancel(&dfops); out_trans_cancel: xfs_trans_cancel(tp); return error; diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index 3b005ec..58142ae 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -173,7 +173,7 @@ xfs_symlink( struct xfs_inode *ip = NULL; int error = 0; int pathlen; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t first_block; bool unlock_dp_on_error = false; xfs_fileoff_t first_fsb; @@ -270,7 +270,7 @@ xfs_symlink( * Initialize the bmap freelist prior to calling either * bmapi or the directory create code. */ - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); /* * Allocate an inode for the symlink. @@ -314,7 +314,7 @@ xfs_symlink( error = xfs_bmapi_write(tp, ip, first_fsb, fs_blocks, XFS_BMAPI_METADATA, &first_block, resblks, - mval, &nmaps, &free_list); + mval, &nmaps, &dfops); if (error) goto out_bmap_cancel; @@ -362,7 +362,7 @@ xfs_symlink( * Create the directory entry for the symlink. */ error = xfs_dir_createname(tp, dp, link_name, ip->i_ino, - &first_block, &free_list, resblks); + &first_block, &dfops, resblks); if (error) goto out_bmap_cancel; xfs_trans_ichgtime(tp, dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -377,7 +377,7 @@ xfs_symlink( xfs_trans_set_sync(tp); } - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto out_bmap_cancel; @@ -393,7 +393,7 @@ xfs_symlink( return 0; out_bmap_cancel: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); out_trans_cancel: xfs_trans_cancel(tp); out_release_inode: @@ -427,7 +427,7 @@ xfs_inactive_symlink_rmt( int done; int error; xfs_fsblock_t first_block; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; int i; xfs_mount_t *mp; xfs_bmbt_irec_t mval[XFS_SYMLINK_MAPS]; @@ -466,7 +466,7 @@ xfs_inactive_symlink_rmt( * Find the block(s) so we can inval and unmap them. */ done = 0; - xfs_defer_init(&free_list, &first_block); + xfs_defer_init(&dfops, &first_block); nmaps = ARRAY_SIZE(mval); error = xfs_bmapi_read(ip, 0, xfs_symlink_blocks(mp, size), mval, &nmaps, 0); @@ -486,17 +486,17 @@ xfs_inactive_symlink_rmt( xfs_trans_binval(tp, bp); } /* - * Unmap the dead block(s) to the free_list. + * Unmap the dead block(s) to the dfops. */ error = xfs_bunmapi(tp, ip, 0, size, 0, nmaps, - &first_block, &free_list, &done); + &first_block, &dfops, &done); if (error) goto error_bmap_cancel; ASSERT(done); /* * Commit the first transaction. This logs the EFI and the inode. */ - error = xfs_defer_finish(&tp, &free_list, ip); + error = xfs_defer_finish(&tp, &dfops, ip); if (error) goto error_bmap_cancel; /* @@ -526,7 +526,7 @@ xfs_inactive_symlink_rmt( return 0; error_bmap_cancel: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); error_trans_cancel: xfs_trans_cancel(tp); error_unlock: From darrick.wong@oracle.com Thu Jun 16 20:20:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 827847D20 for ; Thu, 16 Jun 2016 20:20:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 41F79304048 for ; Thu, 16 Jun 2016 18:20:29 -0700 (PDT) X-ASG-Debug-ID: 1466126426-04cb6c5425572c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id iEM2PFgt8uLm8Z1y (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:26 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1KOsK005981 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:24 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1KNVA015330 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:23 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1KLAC022840; Fri, 17 Jun 2016 01:20:22 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:21 -0700 Subject: [PATCH 023/119] xfs: introduce rmap btree definitions From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 023/119] xfs: introduce rmap btree definitions To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:20:19 -0700 Message-ID: <146612641935.12839.2545862100454514832.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126426 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6489 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Add new per-ag rmap btree definitions to the per-ag structures. The rmap btree will sit in the empty slots on disk after the free space btrees, and hence form a part of the array of space management btrees. This requires the definition of the btree to be contiguous with the free space btrees. Signed-off-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_alloc.c | 6 ++++++ fs/xfs/libxfs/xfs_btree.c | 4 ++-- fs/xfs/libxfs/xfs_btree.h | 3 +++ fs/xfs/libxfs/xfs_format.h | 22 +++++++++++++++++----- fs/xfs/libxfs/xfs_types.h | 4 ++-- 5 files changed, 30 insertions(+), 9 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 56c8690..b61e9c6 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2272,6 +2272,10 @@ xfs_agf_verify( be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > XFS_BTREE_MAXLEVELS) return false; + if (xfs_sb_version_hasrmapbt(&mp->m_sb) && + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) > XFS_BTREE_MAXLEVELS) + return false; + /* * during growfs operations, the perag is not fully initialised, * so we can't use it for any useful checking. growfs ensures we can't @@ -2403,6 +2407,8 @@ xfs_alloc_read_agf( be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNOi]); pag->pagf_levels[XFS_BTNUM_CNTi] = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]); + pag->pagf_levels[XFS_BTNUM_RMAPi] = + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAPi]); spin_lock_init(&pag->pagb_lock); pag->pagb_count = 0; #ifdef __KERNEL__ diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 5b3743a..624b572 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -44,9 +44,9 @@ kmem_zone_t *xfs_btree_cur_zone; * Btree magic numbers. */ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { - { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, + { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, 0, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, XFS_FIBT_MAGIC }, - { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, + { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, XFS_RMAP_CRC_MAGIC, XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC } }; #define xfs_btree_magic(cur) \ diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 7483cac..202fdd3 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -63,6 +63,7 @@ union xfs_btree_rec { #define XFS_BTNUM_BMAP ((xfs_btnum_t)XFS_BTNUM_BMAPi) #define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi) #define XFS_BTNUM_FINO ((xfs_btnum_t)XFS_BTNUM_FINOi) +#define XFS_BTNUM_RMAP ((xfs_btnum_t)XFS_BTNUM_RMAPi) /* * For logging record fields. @@ -95,6 +96,7 @@ do { \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(__mp, bmbt, stat); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ + case XFS_BTNUM_RMAP: break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -115,6 +117,7 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, ibt, stat, val); break; \ case XFS_BTNUM_FINO: \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ + case XFS_BTNUM_RMAP: break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index ba528b3..8ca4a3d 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -455,6 +455,7 @@ xfs_sb_has_compat_feature( } #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ +#define XFS_SB_FEAT_RO_COMPAT_RMAPBT (1 << 1) /* reverse map btree */ #define XFS_SB_FEAT_RO_COMPAT_ALL \ (XFS_SB_FEAT_RO_COMPAT_FINOBT) #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL @@ -538,6 +539,12 @@ static inline bool xfs_sb_version_hasmetauuid(struct xfs_sb *sbp) (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_META_UUID); } +static inline bool xfs_sb_version_hasrmapbt(struct xfs_sb *sbp) +{ + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && + (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_RMAPBT); +} + /* * end of superblock version macros */ @@ -598,10 +605,10 @@ xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino) #define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION) /* - * Btree number 0 is bno, 1 is cnt. This value gives the size of the + * Btree number 0 is bno, 1 is cnt, 2 is rmap. This value gives the size of the * arrays below. */ -#define XFS_BTNUM_AGF ((int)XFS_BTNUM_CNTi + 1) +#define XFS_BTNUM_AGF ((int)XFS_BTNUM_RMAPi + 1) /* * The second word of agf_levels in the first a.g. overlaps the EFS @@ -618,12 +625,10 @@ typedef struct xfs_agf { __be32 agf_seqno; /* sequence # starting from 0 */ __be32 agf_length; /* size in blocks of a.g. */ /* - * Freespace information + * Freespace and rmap information */ __be32 agf_roots[XFS_BTNUM_AGF]; /* root blocks */ - __be32 agf_spare0; /* spare field */ __be32 agf_levels[XFS_BTNUM_AGF]; /* btree levels */ - __be32 agf_spare1; /* spare field */ __be32 agf_flfirst; /* first freelist block's index */ __be32 agf_fllast; /* last freelist block's index */ @@ -1307,6 +1312,13 @@ typedef __be32 xfs_inobt_ptr_t; #define XFS_FIBT_BLOCK(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) /* + * Reverse mapping btree format definitions + * + * There is a btree for the reverse map per allocation group + */ +#define XFS_RMAP_CRC_MAGIC 0x524d4233 /* 'RMB3' */ + +/* * The first data block of an AG depends on whether the filesystem was formatted * with the finobt feature. If so, account for the finobt reserved root btree * block. diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h index f0d145a..da87796 100644 --- a/fs/xfs/libxfs/xfs_types.h +++ b/fs/xfs/libxfs/xfs_types.h @@ -111,8 +111,8 @@ typedef enum { } xfs_lookup_t; typedef enum { - XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi, - XFS_BTNUM_FINOi, XFS_BTNUM_MAX + XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_RMAPi, XFS_BTNUM_BMAPi, + XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_MAX } xfs_btnum_t; struct xfs_name { From darrick.wong@oracle.com Thu Jun 16 20:20:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A1F527CA4 for ; Thu, 16 Jun 2016 20:20:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 73AE18F804B for ; Thu, 16 Jun 2016 18:20:33 -0700 (PDT) X-ASG-Debug-ID: 1466126431-04cbb01fec695a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id esIOSnVF9KtDVTMj (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:32 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1KTwe005993 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:29 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1KSGW004823 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:29 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1KSgm027278; Fri, 17 Jun 2016 01:20:28 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:28 -0700 Subject: [PATCH 024/119] xfs: add rmap btree stats infrastructure From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 024/119] xfs: add rmap btree stats infrastructure To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:20:26 -0700 Message-ID: <146612642642.12839.4422813555398236765.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126431 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2993 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner The rmap btree will require the same stats as all the other generic btrees, so add al the code for that now. Signed-off-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_btree.h | 5 +++-- fs/xfs/xfs_stats.c | 1 + fs/xfs/xfs_stats.h | 18 +++++++++++++++++- 3 files changed, 21 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 202fdd3..a29067c 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -96,7 +96,7 @@ do { \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(__mp, bmbt, stat); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ - case XFS_BTNUM_RMAP: break; \ + case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -117,7 +117,8 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, ibt, stat, val); break; \ case XFS_BTNUM_FINO: \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ - case XFS_BTNUM_RMAP: break; \ + case XFS_BTNUM_RMAP: \ + __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c index 8686df6..f04f547 100644 --- a/fs/xfs/xfs_stats.c +++ b/fs/xfs/xfs_stats.c @@ -61,6 +61,7 @@ int xfs_stats_format(struct xfsstats __percpu *stats, char *buf) { "bmbt2", XFSSTAT_END_BMBT_V2 }, { "ibt2", XFSSTAT_END_IBT_V2 }, { "fibt2", XFSSTAT_END_FIBT_V2 }, + { "rmapbt", XFSSTAT_END_RMAP_V2 }, /* we print both series of quota information together */ { "qm", XFSSTAT_END_QM }, }; diff --git a/fs/xfs/xfs_stats.h b/fs/xfs/xfs_stats.h index 483b0ef..657865f 100644 --- a/fs/xfs/xfs_stats.h +++ b/fs/xfs/xfs_stats.h @@ -197,7 +197,23 @@ struct xfsstats { __uint32_t xs_fibt_2_alloc; __uint32_t xs_fibt_2_free; __uint32_t xs_fibt_2_moves; -#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_FIBT_V2+6) +#define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2+15) + __uint32_t xs_rmap_2_lookup; + __uint32_t xs_rmap_2_compare; + __uint32_t xs_rmap_2_insrec; + __uint32_t xs_rmap_2_delrec; + __uint32_t xs_rmap_2_newroot; + __uint32_t xs_rmap_2_killroot; + __uint32_t xs_rmap_2_increment; + __uint32_t xs_rmap_2_decrement; + __uint32_t xs_rmap_2_lshift; + __uint32_t xs_rmap_2_rshift; + __uint32_t xs_rmap_2_split; + __uint32_t xs_rmap_2_join; + __uint32_t xs_rmap_2_alloc; + __uint32_t xs_rmap_2_free; + __uint32_t xs_rmap_2_moves; +#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_RMAP_V2+6) __uint32_t xs_qm_dqreclaims; __uint32_t xs_qm_dqreclaim_misses; __uint32_t xs_qm_dquot_dups; From darrick.wong@oracle.com Thu Jun 16 20:20:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3A1707CB5 for ; Thu, 16 Jun 2016 20:20:43 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id BA8DFAC001 for ; Thu, 16 Jun 2016 18:20:42 -0700 (PDT) X-ASG-Debug-ID: 1466126440-04bdf01e10958b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Spc4CUiB9qiIBhz0 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:40 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1KbOU025286 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:20:38 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Kb3J008517 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:37 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1KY9n006462; Fri, 17 Jun 2016 01:20:35 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:34 -0700 Subject: [PATCH 025/119] xfs: rmap btree add more reserved blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 025/119] xfs: rmap btree add more reserved blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:20:32 -0700 Message-ID: <146612643276.12839.2224272649304333643.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126440 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4997 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner XFS reserves a small amount of space in each AG for the minimum number of free blocks needed for operation. Adding the rmap btree increases the number of reserved blocks, but it also increases the complexity of the calculation as the free inode btree is optional (like the rmbt). Rather than calculate the prealloc blocks every time we need to check it, add a function to calculate it at mount time and store it in the struct xfs_mount, and convert the XFS_PREALLOC_BLOCKS macro just to use the xfs-mount variable directly. Signed-off-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_alloc.c | 11 +++++++++++ fs/xfs/libxfs/xfs_alloc.h | 2 ++ fs/xfs/libxfs/xfs_format.h | 9 +-------- fs/xfs/xfs_fsops.c | 6 +++--- fs/xfs/xfs_mount.c | 2 ++ fs/xfs/xfs_mount.h | 1 + 6 files changed, 20 insertions(+), 11 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index b61e9c6..fb00042 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -50,6 +50,17 @@ STATIC int xfs_alloc_ag_vextent_size(xfs_alloc_arg_t *); STATIC int xfs_alloc_ag_vextent_small(xfs_alloc_arg_t *, xfs_btree_cur_t *, xfs_agblock_t *, xfs_extlen_t *, int *); +xfs_extlen_t +xfs_prealloc_blocks( + struct xfs_mount *mp) +{ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + return XFS_RMAP_BLOCK(mp) + 1; + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + return XFS_FIBT_BLOCK(mp) + 1; + return XFS_IBT_BLOCK(mp) + 1; +} + /* * Lookup the record equal to [bno, len] in the btree given by cur. */ diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index cf268b2..20b54aa 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -232,4 +232,6 @@ int xfs_alloc_fix_freelist(struct xfs_alloc_arg *args, int flags); int xfs_free_extent_fix_freelist(struct xfs_trans *tp, xfs_agnumber_t agno, struct xfs_buf **agbp); +xfs_extlen_t xfs_prealloc_blocks(struct xfs_mount *mp); + #endif /* __XFS_ALLOC_H__ */ diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 8ca4a3d..b5b0901 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1318,18 +1318,11 @@ typedef __be32 xfs_inobt_ptr_t; */ #define XFS_RMAP_CRC_MAGIC 0x524d4233 /* 'RMB3' */ -/* - * The first data block of an AG depends on whether the filesystem was formatted - * with the finobt feature. If so, account for the finobt reserved root btree - * block. - */ -#define XFS_PREALLOC_BLOCKS(mp) \ +#define XFS_RMAP_BLOCK(mp) \ (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ XFS_FIBT_BLOCK(mp) + 1 : \ XFS_IBT_BLOCK(mp) + 1) - - /* * BMAP Btree format definitions * diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 064fce1..62162d4 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -243,7 +243,7 @@ xfs_growfs_data_private( agf->agf_flfirst = cpu_to_be32(1); agf->agf_fllast = 0; agf->agf_flcount = 0; - tmpsize = agsize - XFS_PREALLOC_BLOCKS(mp); + tmpsize = agsize - mp->m_ag_prealloc_blocks; agf->agf_freeblks = cpu_to_be32(tmpsize); agf->agf_longest = cpu_to_be32(tmpsize); if (xfs_sb_version_hascrc(&mp->m_sb)) @@ -340,7 +340,7 @@ xfs_growfs_data_private( agno, 0); arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1); - arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); + arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks); arec->ar_blockcount = cpu_to_be32( agsize - be32_to_cpu(arec->ar_startblock)); @@ -369,7 +369,7 @@ xfs_growfs_data_private( agno, 0); arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1); - arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); + arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks); arec->ar_blockcount = cpu_to_be32( agsize - be32_to_cpu(arec->ar_startblock)); nfree += be32_to_cpu(arec->ar_blockcount); diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index bf63682..b4153f0 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -231,6 +231,8 @@ xfs_initialize_perag( if (maxagi) *maxagi = index; + + mp->m_ag_prealloc_blocks = xfs_prealloc_blocks(mp); return 0; out_unwind: diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index c1b798c..0537b1f 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -119,6 +119,7 @@ typedef struct xfs_mount { uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ uint m_in_maxlevels; /* max inobt btree levels. */ + xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ struct radix_tree_root m_perag_tree; /* per-ag accounting info */ spinlock_t m_perag_lock; /* lock for m_perag_tree */ struct mutex m_growlock; /* growfs mutex */ From darrick.wong@oracle.com Thu Jun 16 20:20:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3BC537D42 for ; Thu, 16 Jun 2016 20:20:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9C635AC002 for ; Thu, 16 Jun 2016 18:20:48 -0700 (PDT) X-ASG-Debug-ID: 1466126444-04cb6c542557310001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id zBbQTc1de3lirVFE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:44 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Kgtt025349 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:42 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Kg9B015748 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:42 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Kfa6018673; Fri, 17 Jun 2016 01:20:41 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:40 -0700 Subject: [PATCH 026/119] xfs: add owner field to extent allocation and freeing From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 026/119] xfs: add owner field to extent allocation and freeing To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:20:39 -0700 Message-ID: <146612643914.12839.17925699349002137545.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126444 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 18919 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines For the rmap btree to work, we have to feed the extent owner information to the the allocation and freeing functions. This information is what will end up in the rmap btree that tracks allocated extents. While we technically don't need the owner information when freeing extents, passing it allows us to validate that the extent we are removing from the rmap btree actually belonged to the owner we expected it to belong to. We also define a special set of owner values for internal metadata that would otherwise have no owner. This allows us to tell the difference between metadata owned by different per-ag btrees, as well as static fs metadata (e.g. AG headers) and internal journal blocks. There are also a couple of special cases we need to take care of - during EFI recovery, we don't actually know who the original owner was, so we need to pass a wildcard to indicate that we aren't checking the owner for validity. We also need special handling in growfs, as we "free" the space in the last AG when extending it, but because it's new space it has no actual owner... While touching the xfs_bmap_add_free() function, re-order the parameters to put the struct xfs_mount first. Extend the owner field to include both the owner type and some sort of index within the owner. The index field will be used to support reverse mappings when reflink is enabled. This is based upon a patch originally from Dave Chinner. It has been extended to add more owner information with the intent of helping recovery operations when things go wrong (e.g. offset of user data block in a file). v2: When we're freeing extents from an EFI, we don't have the owner information available (rmap updates have their own redo items). xfs_free_extent therefore doesn't need to do an rmap update, but the log replay code doesn't signal this correctly. Fix it so that it does. [dchinner: de-shout the xfs_rmap_*_owner helpers] [darrick: minor style fixes suggested by Christoph Hellwig] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_alloc.c | 11 +++++- fs/xfs/libxfs/xfs_alloc.h | 4 ++ fs/xfs/libxfs/xfs_bmap.c | 17 ++++++++-- fs/xfs/libxfs/xfs_bmap.h | 4 ++ fs/xfs/libxfs/xfs_bmap_btree.c | 6 +++- fs/xfs/libxfs/xfs_format.h | 65 ++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_ialloc.c | 7 +++- fs/xfs/libxfs/xfs_ialloc_btree.c | 7 ++++ fs/xfs/xfs_defer_item.c | 3 +- fs/xfs/xfs_fsops.c | 16 +++++++-- fs/xfs/xfs_log_recover.c | 5 ++- fs/xfs/xfs_trans.h | 2 + fs/xfs/xfs_trans_extfree.c | 5 ++- 13 files changed, 131 insertions(+), 21 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index fb00042..eed26f9 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -1596,6 +1596,7 @@ xfs_free_ag_extent( xfs_agnumber_t agno, /* allocation group number */ xfs_agblock_t bno, /* starting block number */ xfs_extlen_t len, /* length of extent */ + struct xfs_owner_info *oinfo, /* extent owner */ int isfl) /* set if is freelist blocks - no sb acctg */ { xfs_btree_cur_t *bno_cur; /* cursor for by-block btree */ @@ -2005,13 +2006,15 @@ xfs_alloc_fix_freelist( * back on the free list? Maybe we should only do this when space is * getting low or the AGFL is more than half full? */ + xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); while (pag->pagf_flcount > need) { struct xfs_buf *bp; error = xfs_alloc_get_freelist(tp, agbp, &bno, 0); if (error) goto out_agbp_relse; - error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, 1); + error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, + &targs.oinfo, 1); if (error) goto out_agbp_relse; bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0); @@ -2021,6 +2024,7 @@ xfs_alloc_fix_freelist( memset(&targs, 0, sizeof(targs)); targs.tp = tp; targs.mp = mp; + xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); targs.agbp = agbp; targs.agno = args->agno; targs.alignment = targs.minlen = targs.prod = targs.isfl = 1; @@ -2711,7 +2715,8 @@ int /* error */ xfs_free_extent( struct xfs_trans *tp, /* transaction pointer */ xfs_fsblock_t bno, /* starting block number of extent */ - xfs_extlen_t len) /* length of extent */ + xfs_extlen_t len, /* length of extent */ + struct xfs_owner_info *oinfo) /* extent owner */ { struct xfs_mount *mp = tp->t_mountp; struct xfs_buf *agbp; @@ -2739,7 +2744,7 @@ xfs_free_extent( agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length), err); - error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, 0); + error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, oinfo, 0); if (error) goto err; diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index 20b54aa..0721a48 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -123,6 +123,7 @@ typedef struct xfs_alloc_arg { char isfl; /* set if is freelist blocks - !acctg */ char userdata; /* mask defining userdata treatment */ xfs_fsblock_t firstblock; /* io first block allocated */ + struct xfs_owner_info oinfo; /* owner of blocks being allocated */ } xfs_alloc_arg_t; /* @@ -210,7 +211,8 @@ int /* error */ xfs_free_extent( struct xfs_trans *tp, /* transaction pointer */ xfs_fsblock_t bno, /* starting block number of extent */ - xfs_extlen_t len); /* length of extent */ + xfs_extlen_t len, /* length of extent */ + struct xfs_owner_info *oinfo); /* extent owner */ int /* error */ xfs_alloc_lookup_ge( diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 3a6d3e3..2c28f2a 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -574,7 +574,8 @@ xfs_bmap_add_free( struct xfs_mount *mp, /* mount point structure */ struct xfs_defer_ops *dfops, /* list of extents */ xfs_fsblock_t bno, /* fs block number of extent */ - xfs_filblks_t len) /* length of extent */ + xfs_filblks_t len, /* length of extent */ + struct xfs_owner_info *oinfo) /* extent owner */ { struct xfs_bmap_free_item *new; /* new element */ #ifdef DEBUG @@ -593,9 +594,14 @@ xfs_bmap_add_free( ASSERT(agbno + len <= mp->m_sb.sb_agblocks); #endif ASSERT(xfs_bmap_free_item_zone != NULL); + new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; + if (oinfo) + memcpy(&new->xbfi_oinfo, oinfo, sizeof(struct xfs_owner_info)); + else + memset(&new->xbfi_oinfo, 0, sizeof(struct xfs_owner_info)); trace_xfs_bmap_free_defer(mp, XFS_FSB_TO_AGNO(mp, bno), 0, XFS_FSB_TO_AGBNO(mp, bno), len); xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); @@ -628,6 +634,7 @@ xfs_bmap_btree_to_extents( xfs_mount_t *mp; /* mount point structure */ __be64 *pp; /* ptr to block address */ struct xfs_btree_block *rblock;/* root btree block */ + struct xfs_owner_info oinfo; mp = ip->i_mount; ifp = XFS_IFORK_PTR(ip, whichfork); @@ -651,7 +658,8 @@ xfs_bmap_btree_to_extents( cblock = XFS_BUF_TO_BLOCK(cbp); if ((error = xfs_btree_check_block(cur, cblock, 0, cbp))) return error; - xfs_bmap_add_free(mp, cur->bc_private.b.dfops, cbno, 1); + xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, whichfork); + xfs_bmap_add_free(mp, cur->bc_private.b.dfops, cbno, 1, &oinfo); ip->i_d.di_nblocks--; xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L); xfs_trans_binval(tp, cbp); @@ -732,6 +740,7 @@ xfs_bmap_extents_to_btree( memset(&args, 0, sizeof(args)); args.tp = tp; args.mp = mp; + xfs_rmap_ino_bmbt_owner(&args.oinfo, ip->i_ino, whichfork); args.firstblock = *firstblock; if (*firstblock == NULLFSBLOCK) { args.type = XFS_ALLOCTYPE_START_BNO; @@ -878,6 +887,7 @@ xfs_bmap_local_to_extents( memset(&args, 0, sizeof(args)); args.tp = tp; args.mp = ip->i_mount; + xfs_rmap_ino_owner(&args.oinfo, ip->i_ino, whichfork, 0); args.firstblock = *firstblock; /* * Allocate a block. We know we need only one, since the @@ -4839,6 +4849,7 @@ xfs_bmap_del_extent( nblks = 0; do_fx = 0; } + /* * Set flag value to use in switch statement. * Left-contig is 2, right-contig is 1. @@ -5026,7 +5037,7 @@ xfs_bmap_del_extent( */ if (do_fx) xfs_bmap_add_free(mp, dfops, del->br_startblock, - del->br_blockcount); + del->br_blockcount, NULL); /* * Adjust inode # blocks in the file. */ diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 8c5f530..862ea464 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -67,6 +67,7 @@ struct xfs_bmap_free_item xfs_fsblock_t xbfi_startblock;/* starting fs block number */ xfs_extlen_t xbfi_blockcount;/* number of blocks in extent */ struct list_head xbfi_list; + struct xfs_owner_info xbfi_oinfo; /* extent owner */ }; #define XFS_BMAP_MAX_NMAP 4 @@ -165,7 +166,8 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt, int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *dfops, - xfs_fsblock_t bno, xfs_filblks_t len); + xfs_fsblock_t bno, xfs_filblks_t len, + struct xfs_owner_info *oinfo); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork); diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 18b5361..3e68f9a 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -447,6 +447,8 @@ xfs_bmbt_alloc_block( args.mp = cur->bc_mp; args.fsbno = cur->bc_private.b.firstblock; args.firstblock = args.fsbno; + xfs_rmap_ino_bmbt_owner(&args.oinfo, cur->bc_private.b.ip->i_ino, + cur->bc_private.b.whichfork); if (args.fsbno == NULLFSBLOCK) { args.fsbno = be64_to_cpu(start->l); @@ -526,8 +528,10 @@ xfs_bmbt_free_block( struct xfs_inode *ip = cur->bc_private.b.ip; struct xfs_trans *tp = cur->bc_tp; xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); + struct xfs_owner_info oinfo; - xfs_bmap_add_free(mp, cur->bc_private.b.dfops, fsbno, 1); + xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, cur->bc_private.b.whichfork); + xfs_bmap_add_free(mp, cur->bc_private.b.dfops, fsbno, 1, &oinfo); ip->i_d.di_nblocks--; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index b5b0901..97f354f 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1318,6 +1318,71 @@ typedef __be32 xfs_inobt_ptr_t; */ #define XFS_RMAP_CRC_MAGIC 0x524d4233 /* 'RMB3' */ +/* + * Ownership info for an extent. This is used to create reverse-mapping + * entries. + */ +#define XFS_OWNER_INFO_ATTR_FORK (1 << 0) +#define XFS_OWNER_INFO_BMBT_BLOCK (1 << 1) +struct xfs_owner_info { + uint64_t oi_owner; + xfs_fileoff_t oi_offset; + unsigned int oi_flags; +}; + +static inline void +xfs_rmap_ag_owner( + struct xfs_owner_info *oi, + uint64_t owner) +{ + oi->oi_owner = owner; + oi->oi_offset = 0; + oi->oi_flags = 0; +} + +static inline void +xfs_rmap_ino_bmbt_owner( + struct xfs_owner_info *oi, + xfs_ino_t ino, + int whichfork) +{ + oi->oi_owner = ino; + oi->oi_offset = 0; + oi->oi_flags = XFS_OWNER_INFO_BMBT_BLOCK; + if (whichfork == XFS_ATTR_FORK) + oi->oi_flags |= XFS_OWNER_INFO_ATTR_FORK; +} + +static inline void +xfs_rmap_ino_owner( + struct xfs_owner_info *oi, + xfs_ino_t ino, + int whichfork, + xfs_fileoff_t offset) +{ + oi->oi_owner = ino; + oi->oi_offset = offset; + oi->oi_flags = 0; + if (whichfork == XFS_ATTR_FORK) + oi->oi_flags |= XFS_OWNER_INFO_ATTR_FORK; +} + +/* + * Special owner types. + * + * Seeing as we only support up to 8EB, we have the upper bit of the owner field + * to tell us we have a special owner value. We use these for static metadata + * allocated at mkfs/growfs time, as well as for freespace management metadata. + */ +#define XFS_RMAP_OWN_NULL (-1ULL) /* No owner, for growfs */ +#define XFS_RMAP_OWN_UNKNOWN (-2ULL) /* Unknown owner, for EFI recovery */ +#define XFS_RMAP_OWN_FS (-3ULL) /* static fs metadata */ +#define XFS_RMAP_OWN_LOG (-4ULL) /* static fs metadata */ +#define XFS_RMAP_OWN_AG (-5ULL) /* AG freespace btree blocks */ +#define XFS_RMAP_OWN_INOBT (-6ULL) /* Inode btree blocks */ +#define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ +#define XFS_RMAP_OWN_MIN (-8ULL) /* guard */ + #define XFS_RMAP_BLOCK(mp) \ (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ XFS_FIBT_BLOCK(mp) + 1 : \ diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index dbc3e35..1982561 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -615,6 +615,7 @@ xfs_ialloc_ag_alloc( args.tp = tp; args.mp = tp->t_mountp; args.fsbno = NULLFSBLOCK; + xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_INODES); #ifdef DEBUG /* randomly do sparse inode allocations */ @@ -1825,12 +1826,14 @@ xfs_difree_inode_chunk( int nextbit; xfs_agblock_t agbno; int contigblk; + struct xfs_owner_info oinfo; DECLARE_BITMAP(holemask, XFS_INOBT_HOLEMASK_BITS); + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INODES); if (!xfs_inobt_issparse(rec->ir_holemask)) { /* not sparse, calculate extent info directly */ xfs_bmap_add_free(mp, dfops, XFS_AGB_TO_FSB(mp, agno, sagbno), - mp->m_ialloc_blks); + mp->m_ialloc_blks, &oinfo); return; } @@ -1874,7 +1877,7 @@ xfs_difree_inode_chunk( ASSERT(agbno % mp->m_sb.sb_spino_align == 0); ASSERT(contigblk % mp->m_sb.sb_spino_align == 0); xfs_bmap_add_free(mp, dfops, XFS_AGB_TO_FSB(mp, agno, agbno), - contigblk); + contigblk, &oinfo); /* reset range to current bit and carry on... */ startidx = endidx = nextbit; diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index 88da2ad..f9ea86b 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -96,6 +96,7 @@ xfs_inobt_alloc_block( memset(&args, 0, sizeof(args)); args.tp = cur->bc_tp; args.mp = cur->bc_mp; + xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_INOBT); args.fsbno = XFS_AGB_TO_FSB(args.mp, cur->bc_private.a.agno, sbno); args.minlen = 1; args.maxlen = 1; @@ -125,8 +126,12 @@ xfs_inobt_free_block( struct xfs_btree_cur *cur, struct xfs_buf *bp) { + struct xfs_owner_info oinfo; + + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INOBT); return xfs_free_extent(cur->bc_tp, - XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp)), 1); + XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp)), 1, + &oinfo); } STATIC int diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c index 127a54e..1c2d556 100644 --- a/fs/xfs/xfs_defer_item.c +++ b/fs/xfs/xfs_defer_item.c @@ -99,7 +99,8 @@ xfs_bmap_free_finish_item( free = container_of(item, struct xfs_bmap_free_item, xbfi_list); error = xfs_trans_free_extent(tp, done_item, free->xbfi_startblock, - free->xbfi_blockcount); + free->xbfi_blockcount, + &free->xbfi_oinfo); kmem_free(free); return error; } diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 62162d4..d60bb97 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -436,6 +436,8 @@ xfs_growfs_data_private( * There are new blocks in the old last a.g. */ if (new) { + struct xfs_owner_info oinfo; + /* * Change the agi length. */ @@ -463,14 +465,20 @@ xfs_growfs_data_private( be32_to_cpu(agi->agi_length)); xfs_alloc_log_agf(tp, bp, XFS_AGF_LENGTH); + /* * Free the new space. + * + * XFS_RMAP_OWN_NULL is used here to tell the rmap btree that + * this doesn't actually exist in the rmap btree. */ - error = xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, agno, - be32_to_cpu(agf->agf_length) - new), new); - if (error) { + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_NULL); + error = xfs_free_extent(tp, + XFS_AGB_TO_FSB(mp, agno, + be32_to_cpu(agf->agf_length) - new), + new, &oinfo); + if (error) goto error0; - } } /* diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 080b54b..0c41bd2 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -4180,6 +4180,7 @@ xlog_recover_process_efi( int error = 0; xfs_extent_t *extp; xfs_fsblock_t startblock_fsb; + struct xfs_owner_info oinfo; ASSERT(!test_bit(XFS_EFI_RECOVERED, &efip->efi_flags)); @@ -4211,10 +4212,12 @@ xlog_recover_process_efi( return error; efdp = xfs_trans_get_efd(tp, efip, efip->efi_format.efi_nextents); + oinfo.oi_owner = 0; for (i = 0; i < efip->efi_format.efi_nextents; i++) { extp = &(efip->efi_format.efi_extents[i]); error = xfs_trans_free_extent(tp, efdp, extp->ext_start, - extp->ext_len); + extp->ext_len, + &oinfo); if (error) goto abort_error; diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 9a462e8..f8d363f 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -219,7 +219,7 @@ struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *, uint); int xfs_trans_free_extent(struct xfs_trans *, struct xfs_efd_log_item *, xfs_fsblock_t, - xfs_extlen_t); + xfs_extlen_t, struct xfs_owner_info *); int xfs_trans_commit(struct xfs_trans *); int __xfs_trans_roll(struct xfs_trans **, struct xfs_inode *, int *); int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *); diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c index a96ae54..d1b8833 100644 --- a/fs/xfs/xfs_trans_extfree.c +++ b/fs/xfs/xfs_trans_extfree.c @@ -118,13 +118,14 @@ xfs_trans_free_extent( struct xfs_trans *tp, struct xfs_efd_log_item *efdp, xfs_fsblock_t start_block, - xfs_extlen_t ext_len) + xfs_extlen_t ext_len, + struct xfs_owner_info *oinfo) { uint next_extent; struct xfs_extent *extp; int error; - error = xfs_free_extent(tp, start_block, ext_len); + error = xfs_free_extent(tp, start_block, ext_len, oinfo); /* * Mark the transaction dirty, even on error. This ensures the From darrick.wong@oracle.com Thu Jun 16 20:20:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8F5B67D5C for ; Thu, 16 Jun 2016 20:20:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1C134AC003 for ; Thu, 16 Jun 2016 18:20:54 -0700 (PDT) X-ASG-Debug-ID: 1466126452-04bdf01e15958d0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id eesnPiZZvpbABIrW (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:53 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1KoGu006281 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:20:50 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Konc008783 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:50 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1KlNR006558; Fri, 17 Jun 2016 01:20:48 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:47 -0700 Subject: [PATCH 027/119] xfs: introduce rmap extent operation stubs From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 027/119] xfs: introduce rmap extent operation stubs To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:20:45 -0700 Message-ID: <146612644563.12839.4763599111875645301.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126453 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8887 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Add the stubs into the extent allocation and freeing paths that the rmap btree implementation will hook into. While doing this, add the trace points that will be used to track rmap btree extent manipulations. [darrick.wong@oracle.com: Extend the stubs to take full owner info.] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_alloc.c | 18 ++++++++ fs/xfs/libxfs/xfs_rmap.c | 90 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.h | 30 +++++++++++++ fs/xfs/xfs_trace.h | 47 +++++++++++++++++++++ 5 files changed, 185 insertions(+), 1 deletion(-) create mode 100644 fs/xfs/libxfs/xfs_rmap.c create mode 100644 fs/xfs/libxfs/xfs_rmap_btree.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index ad46a2d..06dd760 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -52,6 +52,7 @@ xfs-y += $(addprefix libxfs/, \ xfs_inode_fork.o \ xfs_inode_buf.o \ xfs_log_rlimit.o \ + xfs_rmap.o \ xfs_sb.o \ xfs_symlink_remote.o \ xfs_trans_resv.o \ diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index eed26f9..570ca17 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -27,6 +27,7 @@ #include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" +#include "xfs_rmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_alloc.h" #include "xfs_extent_busy.h" @@ -648,6 +649,14 @@ xfs_alloc_ag_vextent( ASSERT(!args->wasfromfl || !args->isfl); ASSERT(args->agbno % args->alignment == 0); + /* if not file data, insert new block into the reverse map btree */ + if (args->oinfo.oi_owner) { + error = xfs_rmap_alloc(args->tp, args->agbp, args->agno, + args->agbno, args->len, &args->oinfo); + if (error) + return error; + } + if (!args->wasfromfl) { error = xfs_alloc_update_counters(args->tp, args->pag, args->agbp, @@ -1614,12 +1623,19 @@ xfs_free_ag_extent( xfs_extlen_t nlen; /* new length of freespace */ xfs_perag_t *pag; /* per allocation group data */ + bno_cur = cnt_cur = NULL; mp = tp->t_mountp; + + if (oinfo->oi_owner) { + error = xfs_rmap_free(tp, agbp, agno, bno, len, oinfo); + if (error) + goto error0; + } + /* * Allocate and initialize a cursor for the by-block btree. */ bno_cur = xfs_allocbt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_BNO); - cnt_cur = NULL; /* * Look for a neighboring block on the left (lower block numbers) * that is contiguous with this space. diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c new file mode 100644 index 0000000..d1fd471 --- /dev/null +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -0,0 +1,90 @@ + +/* + * Copyright (c) 2014 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_bit.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_da_format.h" +#include "xfs_da_btree.h" +#include "xfs_btree.h" +#include "xfs_trans.h" +#include "xfs_alloc.h" +#include "xfs_rmap_btree.h" +#include "xfs_trans_space.h" +#include "xfs_trace.h" +#include "xfs_error.h" +#include "xfs_extent_busy.h" + +int +xfs_rmap_free( + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agnumber_t agno, + xfs_agblock_t bno, + xfs_extlen_t len, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = tp->t_mountp; + int error = 0; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + + trace_xfs_rmap_free_extent(mp, agno, bno, len, false, oinfo); + if (1) + goto out_error; + trace_xfs_rmap_free_extent_done(mp, agno, bno, len, false, oinfo); + return 0; + +out_error: + trace_xfs_rmap_free_extent_error(mp, agno, bno, len, false, oinfo); + return error; +} + +int +xfs_rmap_alloc( + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agnumber_t agno, + xfs_agblock_t bno, + xfs_extlen_t len, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = tp->t_mountp; + int error = 0; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + + trace_xfs_rmap_alloc_extent(mp, agno, bno, len, false, oinfo); + if (1) + goto out_error; + trace_xfs_rmap_alloc_extent_done(mp, agno, bno, len, false, oinfo); + return 0; + +out_error: + trace_xfs_rmap_alloc_extent_error(mp, agno, bno, len, false, oinfo); + return error; +} diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h new file mode 100644 index 0000000..a3b8f90 --- /dev/null +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2014 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef __XFS_RMAP_BTREE_H__ +#define __XFS_RMAP_BTREE_H__ + +struct xfs_buf; + +int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, + xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, + struct xfs_owner_info *oinfo); +int xfs_rmap_free(struct xfs_trans *tp, struct xfs_buf *agbp, + xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, + struct xfs_owner_info *oinfo); + +#endif /* __XFS_RMAP_BTREE_H__ */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 777a89c..4872fbd 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2421,6 +2421,53 @@ DEFINE_MAP_EXTENT_DEFERRED_EVENT(xfs_defer_map_extent); DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_defer); DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_deferred); +/* rmap tracepoints */ +DECLARE_EVENT_CLASS(xfs_rmap_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + xfs_agblock_t agbno, xfs_extlen_t len, bool unwritten, + struct xfs_owner_info *oinfo), + TP_ARGS(mp, agno, agbno, len, unwritten, oinfo), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, agbno) + __field(xfs_extlen_t, len) + __field(uint64_t, owner) + __field(uint64_t, offset) + __field(unsigned long, flags) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->agbno = agbno; + __entry->len = len; + __entry->owner = oinfo->oi_owner; + __entry->offset = oinfo->oi_offset; + __entry->flags = oinfo->oi_flags; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u owner %lld offset %llu flags 0x%lx", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->agbno, + __entry->len, + __entry->owner, + __entry->offset, + __entry->flags) +); +#define DEFINE_RMAP_EVENT(name) \ +DEFINE_EVENT(xfs_rmap_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + xfs_agblock_t agbno, xfs_extlen_t len, bool unwritten, \ + struct xfs_owner_info *oinfo), \ + TP_ARGS(mp, agno, agbno, len, unwritten, oinfo)) + +DEFINE_RMAP_EVENT(xfs_rmap_free_extent); +DEFINE_RMAP_EVENT(xfs_rmap_free_extent_done); +DEFINE_RMAP_EVENT(xfs_rmap_free_extent_error); +DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent); +DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_done); +DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_error); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:21:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E651C7D58 for ; Thu, 16 Jun 2016 20:21:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5F8F1AC002 for ; Thu, 16 Jun 2016 18:21:01 -0700 (PDT) X-ASG-Debug-ID: 1466126457-04cbb01fec695c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id SNVyi3ptusUceH6e (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:20:57 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1KtYC025469 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:55 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Kt5r016027 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:20:55 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Ks5U018751; Fri, 17 Jun 2016 01:20:54 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:20:53 -0700 Subject: [PATCH 028/119] xfs: define the on-disk rmap btree format From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 028/119] xfs: define the on-disk rmap btree format To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:20:52 -0700 Message-ID: <146612645206.12839.17008642336898856662.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126457 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 19200 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Now we have all the surrounding call infrastructure in place, we can start filling out the rmap btree implementation. Start with the on-disk btree format; add everything needed to read, write and manipulate rmap btree blocks. This prepares the way for adding the btree operations implementation. [darrick: record owner and offset info in rmap btree] [darrick: fork, bmbt and unwritten state in rmap btree] [darrick: flags are a separate field in xfs_rmap_irec] [darrick: calculate maxlevels separately] [darrick: move the 'unwritten' bit into unused parts of rm_offset] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_btree.c | 3 + fs/xfs/libxfs/xfs_btree.h | 18 ++-- fs/xfs/libxfs/xfs_format.h | 140 +++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.c | 180 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.h | 32 +++++++ fs/xfs/libxfs/xfs_sb.c | 6 + fs/xfs/libxfs/xfs_shared.h | 2 fs/xfs/xfs_mount.c | 2 fs/xfs/xfs_mount.h | 3 + fs/xfs/xfs_ondisk.h | 3 + fs/xfs/xfs_trace.h | 2 12 files changed, 384 insertions(+), 8 deletions(-) create mode 100644 fs/xfs/libxfs/xfs_rmap_btree.c diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 06dd760..2de8c20 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -53,6 +53,7 @@ xfs-y += $(addprefix libxfs/, \ xfs_inode_buf.o \ xfs_log_rlimit.o \ xfs_rmap.o \ + xfs_rmap_btree.o \ xfs_sb.o \ xfs_symlink_remote.o \ xfs_trans_resv.o \ diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 624b572..4b90419 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -1210,6 +1210,9 @@ xfs_btree_set_refs( case XFS_BTNUM_BMAP: xfs_buf_set_ref(bp, XFS_BMAP_BTREE_REF); break; + case XFS_BTNUM_RMAP: + xfs_buf_set_ref(bp, XFS_RMAP_BTREE_REF); + break; default: ASSERT(0); } diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index a29067c..90ea2a7 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -38,17 +38,19 @@ union xfs_btree_ptr { }; union xfs_btree_key { - xfs_bmbt_key_t bmbt; - xfs_bmdr_key_t bmbr; /* bmbt root block */ - xfs_alloc_key_t alloc; - xfs_inobt_key_t inobt; + struct xfs_bmbt_key bmbt; + xfs_bmdr_key_t bmbr; /* bmbt root block */ + xfs_alloc_key_t alloc; + struct xfs_inobt_key inobt; + struct xfs_rmap_key rmap; }; union xfs_btree_rec { - xfs_bmbt_rec_t bmbt; - xfs_bmdr_rec_t bmbr; /* bmbt root block */ - xfs_alloc_rec_t alloc; - xfs_inobt_rec_t inobt; + struct xfs_bmbt_rec bmbt; + xfs_bmdr_rec_t bmbr; /* bmbt root block */ + struct xfs_alloc_rec alloc; + struct xfs_inobt_rec inobt; + struct xfs_rmap_rec rmap; }; /* diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 97f354f..6efc7a3 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1383,11 +1383,151 @@ xfs_rmap_ino_owner( #define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ #define XFS_RMAP_OWN_MIN (-8ULL) /* guard */ +#define XFS_RMAP_NON_INODE_OWNER(owner) (!!((owner) & (1ULL << 63))) + +/* + * Data record structure + */ +struct xfs_rmap_rec { + __be32 rm_startblock; /* extent start block */ + __be32 rm_blockcount; /* extent length */ + __be64 rm_owner; /* extent owner */ + __be64 rm_offset; /* offset within the owner */ +}; + +/* + * rmap btree record + * rm_offset:63 is the attribute fork flag + * rm_offset:62 is the bmbt block flag + * rm_offset:61 is the unwritten extent flag (same as l0:63 in bmbt) + * rm_offset:54-60 aren't used and should be zero + * rm_offset:0-53 is the block offset within the inode + */ +#define XFS_RMAP_OFF_ATTR_FORK ((__uint64_t)1ULL << 63) +#define XFS_RMAP_OFF_BMBT_BLOCK ((__uint64_t)1ULL << 62) +#define XFS_RMAP_OFF_UNWRITTEN ((__uint64_t)1ULL << 61) + +#define XFS_RMAP_LEN_MAX ((__uint32_t)~0U) +#define XFS_RMAP_OFF_FLAGS (XFS_RMAP_OFF_ATTR_FORK | \ + XFS_RMAP_OFF_BMBT_BLOCK | \ + XFS_RMAP_OFF_UNWRITTEN) +#define XFS_RMAP_OFF_MASK ((__uint64_t)0x3FFFFFFFFFFFFFULL) + +#define XFS_RMAP_OFF(off) ((off) & XFS_RMAP_OFF_MASK) + +#define XFS_RMAP_IS_BMBT_BLOCK(off) (!!((off) & XFS_RMAP_OFF_BMBT_BLOCK)) +#define XFS_RMAP_IS_ATTR_FORK(off) (!!((off) & XFS_RMAP_OFF_ATTR_FORK)) +#define XFS_RMAP_IS_UNWRITTEN(len) (!!((off) & XFS_RMAP_OFF_UNWRITTEN)) + +#define RMAPBT_STARTBLOCK_BITLEN 32 +#define RMAPBT_BLOCKCOUNT_BITLEN 32 +#define RMAPBT_OWNER_BITLEN 64 +#define RMAPBT_ATTRFLAG_BITLEN 1 +#define RMAPBT_BMBTFLAG_BITLEN 1 +#define RMAPBT_EXNTFLAG_BITLEN 1 +#define RMAPBT_UNUSED_OFFSET_BITLEN 7 +#define RMAPBT_OFFSET_BITLEN 54 + +#define XFS_RMAP_ATTR_FORK (1 << 0) +#define XFS_RMAP_BMBT_BLOCK (1 << 1) +#define XFS_RMAP_UNWRITTEN (1 << 2) +#define XFS_RMAP_KEY_FLAGS (XFS_RMAP_ATTR_FORK | \ + XFS_RMAP_BMBT_BLOCK) +#define XFS_RMAP_REC_FLAGS (XFS_RMAP_UNWRITTEN) +struct xfs_rmap_irec { + xfs_agblock_t rm_startblock; /* extent start block */ + xfs_extlen_t rm_blockcount; /* extent length */ + __uint64_t rm_owner; /* extent owner */ + __uint64_t rm_offset; /* offset within the owner */ + unsigned int rm_flags; /* state flags */ +}; + +static inline __u64 +xfs_rmap_irec_offset_pack( + const struct xfs_rmap_irec *irec) +{ + __u64 x; + + x = XFS_RMAP_OFF(irec->rm_offset); + if (irec->rm_flags & XFS_RMAP_ATTR_FORK) + x |= XFS_RMAP_OFF_ATTR_FORK; + if (irec->rm_flags & XFS_RMAP_BMBT_BLOCK) + x |= XFS_RMAP_OFF_BMBT_BLOCK; + if (irec->rm_flags & XFS_RMAP_UNWRITTEN) + x |= XFS_RMAP_OFF_UNWRITTEN; + return x; +} + +static inline int +xfs_rmap_irec_offset_unpack( + __u64 offset, + struct xfs_rmap_irec *irec) +{ + if (offset & ~(XFS_RMAP_OFF_MASK | XFS_RMAP_OFF_FLAGS)) + return -EFSCORRUPTED; + irec->rm_offset = XFS_RMAP_OFF(offset); + if (offset & XFS_RMAP_OFF_ATTR_FORK) + irec->rm_flags |= XFS_RMAP_ATTR_FORK; + if (offset & XFS_RMAP_OFF_BMBT_BLOCK) + irec->rm_flags |= XFS_RMAP_BMBT_BLOCK; + if (offset & XFS_RMAP_OFF_UNWRITTEN) + irec->rm_flags |= XFS_RMAP_UNWRITTEN; + return 0; +} + +/* + * Key structure + * + * We don't use the length for lookups + */ +struct xfs_rmap_key { + __be32 rm_startblock; /* extent start block */ + __be64 rm_owner; /* extent owner */ + __be64 rm_offset; /* offset within the owner */ +} __attribute__((packed)); + +/* btree pointer type */ +typedef __be32 xfs_rmap_ptr_t; + #define XFS_RMAP_BLOCK(mp) \ (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ XFS_FIBT_BLOCK(mp) + 1 : \ XFS_IBT_BLOCK(mp) + 1) +static inline void +xfs_owner_info_unpack( + struct xfs_owner_info *oinfo, + uint64_t *owner, + uint64_t *offset, + unsigned int *flags) +{ + unsigned int r = 0; + + *owner = oinfo->oi_owner; + *offset = oinfo->oi_offset; + if (oinfo->oi_flags & XFS_OWNER_INFO_ATTR_FORK) + r |= XFS_RMAP_ATTR_FORK; + if (oinfo->oi_flags & XFS_OWNER_INFO_BMBT_BLOCK) + r |= XFS_RMAP_BMBT_BLOCK; + *flags = r; +} + +static inline void +xfs_owner_info_pack( + struct xfs_owner_info *oinfo, + uint64_t owner, + uint64_t offset, + unsigned int flags) +{ + oinfo->oi_owner = owner; + oinfo->oi_offset = XFS_RMAP_OFF(offset); + oinfo->oi_flags = 0; + if (flags & XFS_RMAP_ATTR_FORK) + oinfo->oi_flags |= XFS_OWNER_INFO_ATTR_FORK; + if (flags & XFS_RMAP_BMBT_BLOCK) + oinfo->oi_flags |= XFS_OWNER_INFO_BMBT_BLOCK; +} + /* * BMAP Btree format definitions * diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c new file mode 100644 index 0000000..7a35c78 --- /dev/null +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -0,0 +1,180 @@ +/* + * Copyright (c) 2014 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_bit.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_inode.h" +#include "xfs_trans.h" +#include "xfs_alloc.h" +#include "xfs_btree.h" +#include "xfs_rmap_btree.h" +#include "xfs_trace.h" +#include "xfs_cksum.h" +#include "xfs_error.h" +#include "xfs_extent_busy.h" + +static struct xfs_btree_cur * +xfs_rmapbt_dup_cursor( + struct xfs_btree_cur *cur) +{ + return xfs_rmapbt_init_cursor(cur->bc_mp, cur->bc_tp, + cur->bc_private.a.agbp, cur->bc_private.a.agno); +} + +static bool +xfs_rmapbt_verify( + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); + struct xfs_perag *pag = bp->b_pag; + unsigned int level; + + /* + * magic number and level verification + * + * During growfs operations, we can't verify the exact level or owner as + * the perag is not fully initialised and hence not attached to the + * buffer. In this case, check against the maximum tree depth. + * + * Similarly, during log recovery we will have a perag structure + * attached, but the agf information will not yet have been initialised + * from the on disk AGF. Again, we can only check against maximum limits + * in this case. + */ + if (block->bb_magic != cpu_to_be32(XFS_RMAP_CRC_MAGIC)) + return false; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return false; + if (!xfs_btree_sblock_v5hdr_verify(bp)) + return false; + + level = be16_to_cpu(block->bb_level); + if (pag && pag->pagf_init) { + if (level >= pag->pagf_levels[XFS_BTNUM_RMAPi]) + return false; + } else if (level >= mp->m_rmap_maxlevels) + return false; + + return xfs_btree_sblock_verify(bp, mp->m_rmap_mxr[level != 0]); +} + +static void +xfs_rmapbt_read_verify( + struct xfs_buf *bp) +{ + if (!xfs_btree_sblock_verify_crc(bp)) + xfs_buf_ioerror(bp, -EFSBADCRC); + else if (!xfs_rmapbt_verify(bp)) + xfs_buf_ioerror(bp, -EFSCORRUPTED); + + if (bp->b_error) { + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_verifier_error(bp); + } +} + +static void +xfs_rmapbt_write_verify( + struct xfs_buf *bp) +{ + if (!xfs_rmapbt_verify(bp)) { + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_buf_ioerror(bp, -EFSCORRUPTED); + xfs_verifier_error(bp); + return; + } + xfs_btree_sblock_calc_crc(bp); + +} + +const struct xfs_buf_ops xfs_rmapbt_buf_ops = { + .name = "xfs_rmapbt", + .verify_read = xfs_rmapbt_read_verify, + .verify_write = xfs_rmapbt_write_verify, +}; + +static const struct xfs_btree_ops xfs_rmapbt_ops = { + .rec_len = sizeof(struct xfs_rmap_rec), + .key_len = sizeof(struct xfs_rmap_key), + + .dup_cursor = xfs_rmapbt_dup_cursor, + .buf_ops = &xfs_rmapbt_buf_ops, +}; + +/* + * Allocate a new allocation btree cursor. + */ +struct xfs_btree_cur * +xfs_rmapbt_init_cursor( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agnumber_t agno) +{ + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + struct xfs_btree_cur *cur; + + cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_NOFS); + cur->bc_tp = tp; + cur->bc_mp = mp; + cur->bc_btnum = XFS_BTNUM_RMAP; + cur->bc_flags = XFS_BTREE_CRC_BLOCKS; + cur->bc_blocklog = mp->m_sb.sb_blocklog; + cur->bc_ops = &xfs_rmapbt_ops; + cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]); + + cur->bc_private.a.agbp = agbp; + cur->bc_private.a.agno = agno; + + return cur; +} + +/* + * Calculate number of records in an rmap btree block. + */ +int +xfs_rmapbt_maxrecs( + struct xfs_mount *mp, + int blocklen, + int leaf) +{ + blocklen -= XFS_RMAP_BLOCK_LEN; + + if (leaf) + return blocklen / sizeof(struct xfs_rmap_rec); + return blocklen / + (sizeof(struct xfs_rmap_key) + sizeof(xfs_rmap_ptr_t)); +} + +/* Compute the maximum height of an rmap btree. */ +void +xfs_rmapbt_compute_maxlevels( + struct xfs_mount *mp) +{ + mp->m_rmap_maxlevels = xfs_btree_compute_maxlevels(mp, + mp->m_rmap_mnr, mp->m_sb.sb_agblocks); +} diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index a3b8f90..462767f 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -19,6 +19,38 @@ #define __XFS_RMAP_BTREE_H__ struct xfs_buf; +struct xfs_btree_cur; +struct xfs_mount; + +/* rmaps only exist on crc enabled filesystems */ +#define XFS_RMAP_BLOCK_LEN XFS_BTREE_SBLOCK_CRC_LEN + +/* + * Record, key, and pointer address macros for btree blocks. + * + * (note that some of these may appear unused, but they are used in userspace) + */ +#define XFS_RMAP_REC_ADDR(block, index) \ + ((struct xfs_rmap_rec *) \ + ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ + (((index) - 1) * sizeof(struct xfs_rmap_rec)))) + +#define XFS_RMAP_KEY_ADDR(block, index) \ + ((struct xfs_rmap_key *) \ + ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ + ((index) - 1) * sizeof(struct xfs_rmap_key))) + +#define XFS_RMAP_PTR_ADDR(block, index, maxrecs) \ + ((xfs_rmap_ptr_t *) \ + ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ + (maxrecs) * sizeof(struct xfs_rmap_key) + \ + ((index) - 1) * sizeof(xfs_rmap_ptr_t))) + +struct xfs_btree_cur *xfs_rmapbt_init_cursor(struct xfs_mount *mp, + struct xfs_trans *tp, struct xfs_buf *bp, + xfs_agnumber_t agno); +int xfs_rmapbt_maxrecs(struct xfs_mount *mp, int blocklen, int leaf); +extern void xfs_rmapbt_compute_maxlevels(struct xfs_mount *mp); int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index a544686..f86226b 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -37,6 +37,7 @@ #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" #include "xfs_log.h" +#include "xfs_rmap_btree.h" /* * Physical superblock buffer manipulations. Shared with libxfs in userspace. @@ -734,6 +735,11 @@ xfs_sb_mount_common( mp->m_bmap_dmnr[0] = mp->m_bmap_dmxr[0] / 2; mp->m_bmap_dmnr[1] = mp->m_bmap_dmxr[1] / 2; + mp->m_rmap_mxr[0] = xfs_rmapbt_maxrecs(mp, sbp->sb_blocksize, 1); + mp->m_rmap_mxr[1] = xfs_rmapbt_maxrecs(mp, sbp->sb_blocksize, 0); + mp->m_rmap_mnr[0] = mp->m_rmap_mxr[0] / 2; + mp->m_rmap_mnr[1] = mp->m_rmap_mxr[1] / 2; + mp->m_bsize = XFS_FSB_TO_BB(mp, 1); mp->m_ialloc_inos = (int)MAX((__uint16_t)XFS_INODES_PER_CHUNK, sbp->sb_inopblock); diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h index 16002b5..0c5b30b 100644 --- a/fs/xfs/libxfs/xfs_shared.h +++ b/fs/xfs/libxfs/xfs_shared.h @@ -38,6 +38,7 @@ extern const struct xfs_buf_ops xfs_agi_buf_ops; extern const struct xfs_buf_ops xfs_agf_buf_ops; extern const struct xfs_buf_ops xfs_agfl_buf_ops; extern const struct xfs_buf_ops xfs_allocbt_buf_ops; +extern const struct xfs_buf_ops xfs_rmapbt_buf_ops; extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops; extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops; extern const struct xfs_buf_ops xfs_bmbt_buf_ops; @@ -116,6 +117,7 @@ int xfs_log_calc_minimum_size(struct xfs_mount *); #define XFS_INO_BTREE_REF 3 #define XFS_ALLOC_BTREE_REF 2 #define XFS_BMAP_BTREE_REF 2 +#define XFS_RMAP_BTREE_REF 2 #define XFS_DIR_BTREE_REF 2 #define XFS_INO_REF 2 #define XFS_ATTR_BTREE_REF 1 diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index b4153f0..8af1c88 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -42,6 +42,7 @@ #include "xfs_trace.h" #include "xfs_icache.h" #include "xfs_sysfs.h" +#include "xfs_rmap_btree.h" static DEFINE_MUTEX(xfs_uuid_table_mutex); @@ -680,6 +681,7 @@ xfs_mountfs( xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK); xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK); xfs_ialloc_compute_maxlevels(mp); + xfs_rmapbt_compute_maxlevels(mp); xfs_set_maxicount(mp); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 0537b1f..0ed0f29 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -116,9 +116,12 @@ typedef struct xfs_mount { uint m_bmap_dmnr[2]; /* min bmap btree records */ uint m_inobt_mxr[2]; /* max inobt btree records */ uint m_inobt_mnr[2]; /* min inobt btree records */ + uint m_rmap_mxr[2]; /* max rmap btree records */ + uint m_rmap_mnr[2]; /* min rmap btree records */ uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ uint m_in_maxlevels; /* max inobt btree levels. */ + uint m_rmap_maxlevels; /* max rmap btree levels */ xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ struct radix_tree_root m_perag_tree; /* per-ag accounting info */ spinlock_t m_perag_lock; /* lock for m_perag_tree */ diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index 0272301..48d544f 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -47,11 +47,14 @@ xfs_check_ondisk_structs(void) XFS_CHECK_STRUCT_SIZE(struct xfs_dsymlink_hdr, 56); XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_key, 4); XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_rec, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_key, 20); + XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_rec, 24); XFS_CHECK_STRUCT_SIZE(struct xfs_timestamp, 8); XFS_CHECK_STRUCT_SIZE(xfs_alloc_key_t, 8); XFS_CHECK_STRUCT_SIZE(xfs_alloc_ptr_t, 4); XFS_CHECK_STRUCT_SIZE(xfs_alloc_rec_t, 8); XFS_CHECK_STRUCT_SIZE(xfs_inobt_ptr_t, 4); + XFS_CHECK_STRUCT_SIZE(xfs_rmap_ptr_t, 4); /* dir/attr trees */ XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_leaf_hdr, 80); diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 4872fbd..b4ee9c8 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2444,6 +2444,8 @@ DECLARE_EVENT_CLASS(xfs_rmap_class, __entry->owner = oinfo->oi_owner; __entry->offset = oinfo->oi_offset; __entry->flags = oinfo->oi_flags; + if (unwritten) + __entry->flags |= XFS_RMAP_UNWRITTEN; ), TP_printk("dev %d:%d agno %u agbno %u len %u owner %lld offset %llu flags 0x%lx", MAJOR(__entry->dev), MINOR(__entry->dev), From darrick.wong@oracle.com Thu Jun 16 20:21:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5A9017D6A for ; 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Fri, 17 Jun 2016 01:21:00 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1L038027488; Fri, 17 Jun 2016 01:21:00 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:00 -0700 Subject: [PATCH 029/119] xfs: add rmap btree growfs support From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 029/119] xfs: add rmap btree growfs support To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:20:58 -0700 Message-ID: <146612645852.12839.9272042349680595884.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126464 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3722 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Now we can read and write rmap btree blocks, we can add support to the growfs code to initialise new rmap btree blocks. [darrick.wong@oracle.com: fill out the rmap offset fields] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/xfs_fsops.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index d60bb97..8a85e49 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -33,6 +33,7 @@ #include "xfs_btree.h" #include "xfs_alloc_btree.h" #include "xfs_alloc.h" +#include "xfs_rmap_btree.h" #include "xfs_ialloc.h" #include "xfs_fsops.h" #include "xfs_itable.h" @@ -240,6 +241,12 @@ xfs_growfs_data_private( agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp)); agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1); agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1); + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + agf->agf_roots[XFS_BTNUM_RMAPi] = + cpu_to_be32(XFS_RMAP_BLOCK(mp)); + agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1); + } + agf->agf_flfirst = cpu_to_be32(1); agf->agf_fllast = 0; agf->agf_flcount = 0; @@ -379,6 +386,72 @@ xfs_growfs_data_private( if (error) goto error0; + /* RMAP btree root block */ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + struct xfs_rmap_rec *rrec; + struct xfs_btree_block *block; + + bp = xfs_growfs_get_hdr_buf(mp, + XFS_AGB_TO_DADDR(mp, agno, XFS_RMAP_BLOCK(mp)), + BTOBB(mp->m_sb.sb_blocksize), 0, + &xfs_rmapbt_buf_ops); + if (!bp) { + error = -ENOMEM; + goto error0; + } + + xfs_btree_init_block(mp, bp, XFS_RMAP_CRC_MAGIC, 0, 0, + agno, XFS_BTREE_CRC_BLOCKS); + block = XFS_BUF_TO_BLOCK(bp); + + + /* + * mark the AG header regions as static metadata The BNO + * btree block is the first block after the headers, so + * it's location defines the size of region the static + * metadata consumes. + * + * Note: unlike mkfs, we never have to account for log + * space when growing the data regions + */ + rrec = XFS_RMAP_REC_ADDR(block, 1); + rrec->rm_startblock = 0; + rrec->rm_blockcount = cpu_to_be32(XFS_BNO_BLOCK(mp)); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_FS); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account freespace btree root blocks */ + rrec = XFS_RMAP_REC_ADDR(block, 2); + rrec->rm_startblock = cpu_to_be32(XFS_BNO_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(2); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account inode btree root blocks */ + rrec = XFS_RMAP_REC_ADDR(block, 3); + rrec->rm_startblock = cpu_to_be32(XFS_IBT_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(XFS_RMAP_BLOCK(mp) - + XFS_IBT_BLOCK(mp)); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_INOBT); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account for rmap btree root */ + rrec = XFS_RMAP_REC_ADDR(block, 4); + rrec->rm_startblock = cpu_to_be32(XFS_RMAP_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(1); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + error = xfs_bwrite(bp); + xfs_buf_relse(bp); + if (error) + goto error0; + } + /* * INO btree root block */ From darrick.wong@oracle.com Thu Jun 16 20:21:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9173B7CD1 for ; Thu, 16 Jun 2016 20:21:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0B048AC004 for ; Thu, 16 Jun 2016 18:21:12 -0700 (PDT) X-ASG-Debug-ID: 1466126470-04cb6c542757370001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id it9cx7bUrswDPPCU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:21:11 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1L8EN006691 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:08 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1L7ab012394 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:08 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1L61g019135; Fri, 17 Jun 2016 01:21:07 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:06 -0700 Subject: [PATCH 030/119] xfs: rmap btree transaction reservations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 030/119] xfs: rmap btree transaction reservations To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:21:04 -0700 Message-ID: <146612646482.12839.12293815646683700594.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126470 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8432 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines The rmap btrees will use the AGFL as the block allocation source, so we need to ensure that the transaction reservations reflect the fact this tree is modified by allocation and freeing. Hence we need to extend all the extent allocation/free reservations used in transactions to handle this. Note that this also gets rid of the unused XFS_ALLOCFREE_LOG_RES macro, as we now do buffer reservations based on the number of buffers logged via xfs_calc_buf_res(). Hence we only need the buffer count calculation now. [darrick: use rmap_maxlevels when calculating log block resv] Signed-off-by: Dave Chinner Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_trans_resv.c | 58 ++++++++++++++++++++++++++++------------ fs/xfs/libxfs/xfs_trans_resv.h | 10 ------- 2 files changed, 41 insertions(+), 27 deletions(-) diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c index 4c7eb9d..301ef2f 100644 --- a/fs/xfs/libxfs/xfs_trans_resv.c +++ b/fs/xfs/libxfs/xfs_trans_resv.c @@ -64,6 +64,30 @@ xfs_calc_buf_res( } /* + * Per-extent log reservation for the btree changes involved in freeing or + * allocating an extent. In classic XFS there were two trees that will be + * modified (bnobt + cntbt). With rmap enabled, there are three trees + * (rmapbt). The number of blocks reserved is based on the formula: + * + * num trees * ((2 blocks/level * max depth) - 1) + * + * Keep in mind that max depth is calculated separately for each type of tree. + */ +static uint +xfs_allocfree_log_count( + struct xfs_mount *mp, + uint num_ops) +{ + uint blocks; + + blocks = num_ops * 2 * (2 * mp->m_ag_maxlevels - 1); + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + blocks += num_ops * (2 * mp->m_rmap_maxlevels - 1); + + return blocks; +} + +/* * Logging inodes is really tricksy. They are logged in memory format, * which means that what we write into the log doesn't directly translate into * the amount of space they use on disk. @@ -126,7 +150,7 @@ xfs_calc_inode_res( */ STATIC uint xfs_calc_finobt_res( - struct xfs_mount *mp, + struct xfs_mount *mp, int alloc, int modify) { @@ -137,7 +161,7 @@ xfs_calc_finobt_res( res = xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)); if (alloc) - res += xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + res += xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); if (modify) res += (uint)XFS_FSB_TO_B(mp, 1); @@ -188,10 +212,10 @@ xfs_calc_write_reservation( xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK), XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 2), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(5, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 2), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), XFS_FSB_TO_B(mp, 1)))); } @@ -217,10 +241,10 @@ xfs_calc_itruncate_reservation( xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1, XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(9, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 4), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 4), XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(5, 0) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(2 + mp->m_ialloc_blks + mp->m_in_maxlevels, 0))); @@ -247,7 +271,7 @@ xfs_calc_rename_reservation( xfs_calc_buf_res(2 * XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(7, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 3), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 3), XFS_FSB_TO_B(mp, 1)))); } @@ -286,7 +310,7 @@ xfs_calc_link_reservation( xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)))); } @@ -324,7 +348,7 @@ xfs_calc_remove_reservation( xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(4, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 2), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), XFS_FSB_TO_B(mp, 1)))); } @@ -371,7 +395,7 @@ xfs_calc_create_resv_alloc( mp->m_sb.sb_sectsize + xfs_calc_buf_res(mp->m_ialloc_blks, XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); } @@ -399,7 +423,7 @@ xfs_calc_icreate_resv_alloc( return xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) + mp->m_sb.sb_sectsize + xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)) + xfs_calc_finobt_res(mp, 0, 0); } @@ -483,7 +507,7 @@ xfs_calc_ifree_reservation( xfs_calc_buf_res(1, 0) + xfs_calc_buf_res(2 + mp->m_ialloc_blks + mp->m_in_maxlevels, 0) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)) + xfs_calc_finobt_res(mp, 0, 1); } @@ -513,7 +537,7 @@ xfs_calc_growdata_reservation( struct xfs_mount *mp) { return xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); } @@ -535,7 +559,7 @@ xfs_calc_growrtalloc_reservation( xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK), XFS_FSB_TO_B(mp, 1)) + xfs_calc_inode_res(mp, 1) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); } @@ -611,7 +635,7 @@ xfs_calc_addafork_reservation( xfs_calc_buf_res(1, mp->m_dir_geo->blksize) + xfs_calc_buf_res(XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1, XFS_FSB_TO_B(mp, 1)) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); } @@ -634,7 +658,7 @@ xfs_calc_attrinval_reservation( xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(9, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 4), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 4), XFS_FSB_TO_B(mp, 1)))); } @@ -701,7 +725,7 @@ xfs_calc_attrrm_reservation( XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK), 0)), (xfs_calc_buf_res(5, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 2), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), XFS_FSB_TO_B(mp, 1)))); } diff --git a/fs/xfs/libxfs/xfs_trans_resv.h b/fs/xfs/libxfs/xfs_trans_resv.h index 7978150..0eb46ed 100644 --- a/fs/xfs/libxfs/xfs_trans_resv.h +++ b/fs/xfs/libxfs/xfs_trans_resv.h @@ -68,16 +68,6 @@ struct xfs_trans_resv { #define M_RES(mp) (&(mp)->m_resv) /* - * Per-extent log reservation for the allocation btree changes - * involved in freeing or allocating an extent. - * 2 trees * (2 blocks/level * max depth - 1) * block size - */ -#define XFS_ALLOCFREE_LOG_RES(mp,nx) \ - ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * (mp)->m_ag_maxlevels - 1))) -#define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ - ((nx) * (2 * (2 * (mp)->m_ag_maxlevels - 1))) - -/* * Per-directory log reservation for any directory change. * dir blocks: (1 btree block per level + data block + free block) * dblock size * bmap btree: (levels + 2) * max depth * block size From darrick.wong@oracle.com Thu Jun 16 20:21:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F328F7D70 for ; Thu, 16 Jun 2016 20:21:21 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 67490AC001 for ; Thu, 16 Jun 2016 18:21:21 -0700 (PDT) X-ASG-Debug-ID: 1466126478-04cbb01fee695e0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id zpNgls7PIDssn3DP (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:21:18 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1LGY7006730 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:16 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1LFxZ012477 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:16 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1LDXJ006953; Fri, 17 Jun 2016 01:21:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:12 -0700 Subject: [PATCH 031/119] xfs: rmap btree requires more reserved free space From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 031/119] xfs: rmap btree requires more reserved free space To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:21:11 -0700 Message-ID: <146612647122.12839.13018596528662402580.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126478 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12686 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner The rmap btree is allocated from the AGFL, which means we have to ensure ENOSPC is reported to userspace before we run out of free space in each AG. The last allocation in an AG can cause a full height rmap btree split, and that means we have to reserve at least this many blocks *in each AG* to be placed on the AGFL at ENOSPC. Update the various space calculation functiosn to handle this. Also, because the macros are now executing conditional code and are called quite frequently, convert them to functions that initialise varaibles in the struct xfs_mount, use the new variables everywhere and document the calculations better. v2: If rmapbt is disabled, it is incorrect to require 1 extra AGFL block for the rmapbt (due to the + 1); the entire clause needs to be gated on the feature flag. v3: Use m_rmap_maxlevels to determine min_free. [darrick.wong@oracle.com: don't reserve blocks if !rmap] [dchinner@redhat.com: update m_ag_max_usable after growfs] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_alloc.c | 71 +++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_alloc.h | 41 +++----------------------- fs/xfs/libxfs/xfs_bmap.c | 2 + fs/xfs/libxfs/xfs_sb.c | 2 + fs/xfs/xfs_discard.c | 2 + fs/xfs/xfs_fsops.c | 5 ++- fs/xfs/xfs_log_recover.c | 1 + fs/xfs/xfs_mount.c | 2 + fs/xfs/xfs_mount.h | 2 + fs/xfs/xfs_super.c | 2 + 10 files changed, 88 insertions(+), 42 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 570ca17..4c8ffd4 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -63,6 +63,72 @@ xfs_prealloc_blocks( } /* + * In order to avoid ENOSPC-related deadlock caused by out-of-order locking of + * AGF buffer (PV 947395), we place constraints on the relationship among + * actual allocations for data blocks, freelist blocks, and potential file data + * bmap btree blocks. However, these restrictions may result in no actual space + * allocated for a delayed extent, for example, a data block in a certain AG is + * allocated but there is no additional block for the additional bmap btree + * block due to a split of the bmap btree of the file. The result of this may + * lead to an infinite loop when the file gets flushed to disk and all delayed + * extents need to be actually allocated. To get around this, we explicitly set + * aside a few blocks which will not be reserved in delayed allocation. + * + * The minimum number of needed freelist blocks is 4 fsbs _per AG_ when we are + * not using rmap btrees a potential split of file's bmap btree requires 1 fsb, + * so we set the number of set-aside blocks to 4 + 4*agcount when not using + * rmap btrees. + * + * When rmap btrees are active, we have to consider that using the last block + * in the AG can cause a full height rmap btree split and we need enough blocks + * on the AGFL to be able to handle this. That means we have, in addition to + * the above consideration, another (2 * mp->m_rmap_levels) - 1 blocks required + * to be available to the free list. + */ +unsigned int +xfs_alloc_set_aside( + struct xfs_mount *mp) +{ + unsigned int blocks; + + blocks = 4 + (mp->m_sb.sb_agcount * XFS_ALLOC_AGFL_RESERVE); + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return blocks; + return blocks + (mp->m_sb.sb_agcount * (2 * mp->m_rmap_maxlevels) - 1); +} + +/* + * When deciding how much space to allocate out of an AG, we limit the + * allocation maximum size to the size the AG. However, we cannot use all the + * blocks in the AG - some are permanently used by metadata. These + * blocks are generally: + * - the AG superblock, AGF, AGI and AGFL + * - the AGF (bno and cnt) and AGI btree root blocks, and optionally + * the AGI free inode and rmap btree root blocks. + * - blocks on the AGFL according to xfs_alloc_set_aside() limits + * + * The AG headers are sector sized, so the amount of space they take up is + * dependent on filesystem geometry. The others are all single blocks. + */ +unsigned int +xfs_alloc_ag_max_usable(struct xfs_mount *mp) +{ + unsigned int blocks; + + blocks = XFS_BB_TO_FSB(mp, XFS_FSS_TO_BB(mp, 4)); /* ag headers */ + blocks += XFS_ALLOC_AGFL_RESERVE; + blocks += 3; /* AGF, AGI btree root blocks */ + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + blocks++; /* finobt root block */ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + /* rmap root block + full tree split on full AG */ + blocks += 1 + (2 * mp->m_ag_maxlevels) - 1; + } + + return mp->m_sb.sb_agblocks - blocks; +} + +/* * Lookup the record equal to [bno, len] in the btree given by cur. */ STATIC int /* error */ @@ -1904,6 +1970,11 @@ xfs_alloc_min_freelist( /* space needed by-size freespace btree */ min_free += min_t(unsigned int, pag->pagf_levels[XFS_BTNUM_CNTi] + 1, mp->m_ag_maxlevels); + /* space needed reverse mapping used space btree */ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + min_free += min_t(unsigned int, + pag->pagf_levels[XFS_BTNUM_RMAPi] + 1, + mp->m_rmap_maxlevels); return min_free; } diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index 0721a48..7b6c66b 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -56,42 +56,6 @@ typedef unsigned int xfs_alloctype_t; #define XFS_ALLOC_FLAG_FREEING 0x00000002 /* indicate caller is freeing extents*/ /* - * In order to avoid ENOSPC-related deadlock caused by - * out-of-order locking of AGF buffer (PV 947395), we place - * constraints on the relationship among actual allocations for - * data blocks, freelist blocks, and potential file data bmap - * btree blocks. However, these restrictions may result in no - * actual space allocated for a delayed extent, for example, a data - * block in a certain AG is allocated but there is no additional - * block for the additional bmap btree block due to a split of the - * bmap btree of the file. The result of this may lead to an - * infinite loop in xfssyncd when the file gets flushed to disk and - * all delayed extents need to be actually allocated. To get around - * this, we explicitly set aside a few blocks which will not be - * reserved in delayed allocation. Considering the minimum number of - * needed freelist blocks is 4 fsbs _per AG_, a potential split of file's bmap - * btree requires 1 fsb, so we set the number of set-aside blocks - * to 4 + 4*agcount. - */ -#define XFS_ALLOC_SET_ASIDE(mp) (4 + ((mp)->m_sb.sb_agcount * 4)) - -/* - * When deciding how much space to allocate out of an AG, we limit the - * allocation maximum size to the size the AG. However, we cannot use all the - * blocks in the AG - some are permanently used by metadata. These - * blocks are generally: - * - the AG superblock, AGF, AGI and AGFL - * - the AGF (bno and cnt) and AGI btree root blocks - * - 4 blocks on the AGFL according to XFS_ALLOC_SET_ASIDE() limits - * - * The AG headers are sector sized, so the amount of space they take up is - * dependent on filesystem geometry. The others are all single blocks. - */ -#define XFS_ALLOC_AG_MAX_USABLE(mp) \ - ((mp)->m_sb.sb_agblocks - XFS_BB_TO_FSB(mp, XFS_FSS_TO_BB(mp, 4)) - 7) - - -/* * Argument structure for xfs_alloc routines. * This is turned into a structure to avoid having 20 arguments passed * down several levels of the stack. @@ -133,6 +97,11 @@ typedef struct xfs_alloc_arg { #define XFS_ALLOC_INITIAL_USER_DATA (1 << 1)/* special case start of file */ #define XFS_ALLOC_USERDATA_ZERO (1 << 2)/* zero extent on allocation */ +/* freespace limit calculations */ +#define XFS_ALLOC_AGFL_RESERVE 4 +unsigned int xfs_alloc_set_aside(struct xfs_mount *mp); +unsigned int xfs_alloc_ag_max_usable(struct xfs_mount *mp); + xfs_extlen_t xfs_alloc_longest_free_extent(struct xfs_mount *mp, struct xfs_perag *pag, xfs_extlen_t need); unsigned int xfs_alloc_min_freelist(struct xfs_mount *mp, diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 2c28f2a..61c0231 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -3672,7 +3672,7 @@ xfs_bmap_btalloc( args.fsbno = ap->blkno; /* Trim the allocation back to the maximum an AG can fit. */ - args.maxlen = MIN(ap->length, XFS_ALLOC_AG_MAX_USABLE(mp)); + args.maxlen = MIN(ap->length, mp->m_ag_max_usable); args.firstblock = *ap->firstblock; blen = 0; if (nullfb) { diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index f86226b..59c9f59 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -749,6 +749,8 @@ xfs_sb_mount_common( mp->m_ialloc_min_blks = sbp->sb_spino_align; else mp->m_ialloc_min_blks = mp->m_ialloc_blks; + mp->m_alloc_set_aside = xfs_alloc_set_aside(mp); + mp->m_ag_max_usable = xfs_alloc_ag_max_usable(mp); } /* diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index 272c3f8..4ff499a 100644 --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -179,7 +179,7 @@ xfs_ioc_trim( * matter as trimming blocks is an advisory interface. */ if (range.start >= XFS_FSB_TO_B(mp, mp->m_sb.sb_dblocks) || - range.minlen > XFS_FSB_TO_B(mp, XFS_ALLOC_AG_MAX_USABLE(mp)) || + range.minlen > XFS_FSB_TO_B(mp, mp->m_ag_max_usable) || range.len < mp->m_sb.sb_blocksize) return -EINVAL; diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 8a85e49..3772f6c 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -583,6 +583,7 @@ xfs_growfs_data_private( } else mp->m_maxicount = 0; xfs_set_low_space_thresholds(mp); + mp->m_alloc_set_aside = xfs_alloc_set_aside(mp); /* update secondary superblocks. */ for (agno = 1; agno < nagcount; agno++) { @@ -720,7 +721,7 @@ xfs_fs_counts( cnt->allocino = percpu_counter_read_positive(&mp->m_icount); cnt->freeino = percpu_counter_read_positive(&mp->m_ifree); cnt->freedata = percpu_counter_read_positive(&mp->m_fdblocks) - - XFS_ALLOC_SET_ASIDE(mp); + mp->m_alloc_set_aside; spin_lock(&mp->m_sb_lock); cnt->freertx = mp->m_sb.sb_frextents; @@ -793,7 +794,7 @@ retry: __int64_t free; free = percpu_counter_sum(&mp->m_fdblocks) - - XFS_ALLOC_SET_ASIDE(mp); + mp->m_alloc_set_aside; if (!free) goto out; /* ENOSPC and fdblks_delta = 0 */ diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 0c41bd2..b33187b 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -5027,6 +5027,7 @@ xlog_do_recover( xfs_warn(mp, "Failed post-recovery per-ag init: %d", error); return error; } + mp->m_alloc_set_aside = xfs_alloc_set_aside(mp); xlog_recover_check_summary(log); diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 8af1c88..879f3ef 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1219,7 +1219,7 @@ xfs_mod_fdblocks( batch = XFS_FDBLOCKS_BATCH; __percpu_counter_add(&mp->m_fdblocks, delta, batch); - if (__percpu_counter_compare(&mp->m_fdblocks, XFS_ALLOC_SET_ASIDE(mp), + if (__percpu_counter_compare(&mp->m_fdblocks, mp->m_alloc_set_aside, XFS_FDBLOCKS_BATCH) >= 0) { /* we had space! */ return 0; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 0ed0f29..b36676c 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -123,6 +123,8 @@ typedef struct xfs_mount { uint m_in_maxlevels; /* max inobt btree levels. */ uint m_rmap_maxlevels; /* max rmap btree levels */ xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ + uint m_alloc_set_aside; /* space we can't use */ + uint m_ag_max_usable; /* max space per AG */ struct radix_tree_root m_perag_tree; /* per-ag accounting info */ spinlock_t m_perag_lock; /* lock for m_perag_tree */ struct mutex m_growlock; /* growfs mutex */ diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index bf63f6d..1575849 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1076,7 +1076,7 @@ xfs_fs_statfs( statp->f_blocks = sbp->sb_dblocks - lsize; spin_unlock(&mp->m_sb_lock); - statp->f_bfree = fdblocks - XFS_ALLOC_SET_ASIDE(mp); + statp->f_bfree = fdblocks - mp->m_alloc_set_aside; statp->f_bavail = statp->f_bfree; fakeinos = statp->f_bfree << sbp->sb_inopblog; From darrick.wong@oracle.com Thu Jun 16 20:21:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 53F237D76 for ; Thu, 16 Jun 2016 20:21:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 129188F804C for ; Thu, 16 Jun 2016 18:21:28 -0700 (PDT) X-ASG-Debug-ID: 1466126484-04bdf01e1595920001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id iiDYbkwWL4wjJXxZ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:21:25 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1LMsi006747 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:22 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1LMLe012645 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:22 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1LJN4006963; Fri, 17 Jun 2016 01:21:20 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:19 -0700 Subject: [PATCH 032/119] xfs: add rmap btree operations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 032/119] xfs: add rmap btree operations To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:21:17 -0700 Message-ID: <146612647771.12839.2301418036042118299.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126485 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13620 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Implement the generic btree operations needed to manipulate rmap btree blocks. This is very similar to the per-ag freespace btree implementation, and uses the AGFL for allocation and freeing of blocks. Adapt the rmap btree to store owner offsets within each rmap record, and to handle the primary key being redefined as the tuple [agblk, owner, offset]. The expansion of the primary key is crucial to allowing multiple owners per extent. [darrick: adapt the btree ops to deal with offsets] [darrick: remove init_rec_from_key] [darrick: move unwritten bit to rm_offset] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_btree.h | 1 fs/xfs/libxfs/xfs_rmap.c | 96 ++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.c | 243 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.h | 9 + fs/xfs/xfs_trace.h | 3 5 files changed, 352 insertions(+) diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 90ea2a7..9963c48 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -216,6 +216,7 @@ union xfs_btree_irec { xfs_alloc_rec_incore_t a; xfs_bmbt_irec_t b; xfs_inobt_rec_incore_t i; + struct xfs_rmap_irec r; }; /* diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index d1fd471..c6a5a0b 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -37,6 +37,102 @@ #include "xfs_error.h" #include "xfs_extent_busy.h" +/* + * Lookup the first record less than or equal to [bno, len, owner, offset] + * in the btree given by cur. + */ +int +xfs_rmap_lookup_le( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags, + int *stat) +{ + cur->bc_rec.r.rm_startblock = bno; + cur->bc_rec.r.rm_blockcount = len; + cur->bc_rec.r.rm_owner = owner; + cur->bc_rec.r.rm_offset = offset; + cur->bc_rec.r.rm_flags = flags; + return xfs_btree_lookup(cur, XFS_LOOKUP_LE, stat); +} + +/* + * Lookup the record exactly matching [bno, len, owner, offset] + * in the btree given by cur. + */ +int +xfs_rmap_lookup_eq( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags, + int *stat) +{ + cur->bc_rec.r.rm_startblock = bno; + cur->bc_rec.r.rm_blockcount = len; + cur->bc_rec.r.rm_owner = owner; + cur->bc_rec.r.rm_offset = offset; + cur->bc_rec.r.rm_flags = flags; + return xfs_btree_lookup(cur, XFS_LOOKUP_EQ, stat); +} + +/* + * Update the record referred to by cur to the value given + * by [bno, len, owner, offset]. + * This either works (return 0) or gets an EFSCORRUPTED error. + */ +STATIC int +xfs_rmap_update( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *irec) +{ + union xfs_btree_rec rec; + + rec.rmap.rm_startblock = cpu_to_be32(irec->rm_startblock); + rec.rmap.rm_blockcount = cpu_to_be32(irec->rm_blockcount); + rec.rmap.rm_owner = cpu_to_be64(irec->rm_owner); + rec.rmap.rm_offset = cpu_to_be64( + xfs_rmap_irec_offset_pack(irec)); + return xfs_btree_update(cur, &rec); +} + +static int +xfs_rmapbt_btrec_to_irec( + union xfs_btree_rec *rec, + struct xfs_rmap_irec *irec) +{ + irec->rm_flags = 0; + irec->rm_startblock = be32_to_cpu(rec->rmap.rm_startblock); + irec->rm_blockcount = be32_to_cpu(rec->rmap.rm_blockcount); + irec->rm_owner = be64_to_cpu(rec->rmap.rm_owner); + return xfs_rmap_irec_offset_unpack(be64_to_cpu(rec->rmap.rm_offset), + irec); +} + +/* + * Get the data from the pointed-to record. + */ +int +xfs_rmap_get_rec( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *irec, + int *stat) +{ + union xfs_btree_rec *rec; + int error; + + error = xfs_btree_get_rec(cur, &rec, stat); + if (error || !*stat) + return error; + + return xfs_rmapbt_btrec_to_irec(rec, irec); +} + int xfs_rmap_free( struct xfs_trans *tp, diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 7a35c78..c50c725 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -35,6 +35,31 @@ #include "xfs_error.h" #include "xfs_extent_busy.h" +/* + * Reverse map btree. + * + * This is a per-ag tree used to track the owner(s) of a given extent. With + * reflink it is possible for there to be multiple owners, which is a departure + * from classic XFS. Owner records for data extents are inserted when the + * extent is mapped and removed when an extent is unmapped. Owner records for + * all other block types (i.e. metadata) are inserted when an extent is + * allocated and removed when an extent is freed. There can only be one owner + * of a metadata extent, usually an inode or some other metadata structure like + * an AG btree. + * + * The rmap btree is part of the free space management, so blocks for the tree + * are sourced from the agfl. Hence we need transaction reservation support for + * this tree so that the freelist is always large enough. This also impacts on + * the minimum space we need to leave free in the AG. + * + * The tree is ordered by [ag block, owner, offset]. This is a large key size, + * but it is the only way to enforce unique keys when a block can be owned by + * multiple files at any offset. There's no need to order/search by extent + * size for online updating/management of the tree. It is intended that most + * reverse lookups will be to find the owner(s) of a particular block, or to + * try to recover tree and file data from corrupt primary metadata. + */ + static struct xfs_btree_cur * xfs_rmapbt_dup_cursor( struct xfs_btree_cur *cur) @@ -43,6 +68,173 @@ xfs_rmapbt_dup_cursor( cur->bc_private.a.agbp, cur->bc_private.a.agno); } +STATIC void +xfs_rmapbt_set_root( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr, + int inc) +{ + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + xfs_agnumber_t seqno = be32_to_cpu(agf->agf_seqno); + int btnum = cur->bc_btnum; + struct xfs_perag *pag = xfs_perag_get(cur->bc_mp, seqno); + + ASSERT(ptr->s != 0); + + agf->agf_roots[btnum] = ptr->s; + be32_add_cpu(&agf->agf_levels[btnum], inc); + pag->pagf_levels[btnum] += inc; + xfs_perag_put(pag); + + xfs_alloc_log_agf(cur->bc_tp, agbp, XFS_AGF_ROOTS | XFS_AGF_LEVELS); +} + +STATIC int +xfs_rmapbt_alloc_block( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *start, + union xfs_btree_ptr *new, + int *stat) +{ + int error; + xfs_agblock_t bno; + + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); + + /* Allocate the new block from the freelist. If we can't, give up. */ + error = xfs_alloc_get_freelist(cur->bc_tp, cur->bc_private.a.agbp, + &bno, 1); + if (error) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); + return error; + } + + trace_xfs_rmapbt_alloc_block(cur->bc_mp, cur->bc_private.a.agno, + bno, 1); + if (bno == NULLAGBLOCK) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + *stat = 0; + return 0; + } + + xfs_extent_busy_reuse(cur->bc_mp, cur->bc_private.a.agno, bno, 1, + false); + + xfs_trans_agbtree_delta(cur->bc_tp, 1); + new->s = cpu_to_be32(bno); + + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + *stat = 1; + return 0; +} + +STATIC int +xfs_rmapbt_free_block( + struct xfs_btree_cur *cur, + struct xfs_buf *bp) +{ + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + xfs_agblock_t bno; + int error; + + bno = xfs_daddr_to_agbno(cur->bc_mp, XFS_BUF_ADDR(bp)); + trace_xfs_rmapbt_free_block(cur->bc_mp, cur->bc_private.a.agno, + bno, 1); + error = xfs_alloc_put_freelist(cur->bc_tp, agbp, NULL, bno, 1); + if (error) + return error; + + xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1, + XFS_EXTENT_BUSY_SKIP_DISCARD); + xfs_trans_agbtree_delta(cur->bc_tp, -1); + + xfs_trans_binval(cur->bc_tp, bp); + return 0; +} + +STATIC int +xfs_rmapbt_get_minrecs( + struct xfs_btree_cur *cur, + int level) +{ + return cur->bc_mp->m_rmap_mnr[level != 0]; +} + +STATIC int +xfs_rmapbt_get_maxrecs( + struct xfs_btree_cur *cur, + int level) +{ + return cur->bc_mp->m_rmap_mxr[level != 0]; +} + +STATIC void +xfs_rmapbt_init_key_from_rec( + union xfs_btree_key *key, + union xfs_btree_rec *rec) +{ + key->rmap.rm_startblock = rec->rmap.rm_startblock; + key->rmap.rm_owner = rec->rmap.rm_owner; + key->rmap.rm_offset = rec->rmap.rm_offset; +} + +STATIC void +xfs_rmapbt_init_rec_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_rec *rec) +{ + rec->rmap.rm_startblock = cpu_to_be32(cur->bc_rec.r.rm_startblock); + rec->rmap.rm_blockcount = cpu_to_be32(cur->bc_rec.r.rm_blockcount); + rec->rmap.rm_owner = cpu_to_be64(cur->bc_rec.r.rm_owner); + rec->rmap.rm_offset = cpu_to_be64( + xfs_rmap_irec_offset_pack(&cur->bc_rec.r)); +} + +STATIC void +xfs_rmapbt_init_ptr_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr) +{ + struct xfs_agf *agf = XFS_BUF_TO_AGF(cur->bc_private.a.agbp); + + ASSERT(cur->bc_private.a.agno == be32_to_cpu(agf->agf_seqno)); + ASSERT(agf->agf_roots[cur->bc_btnum] != 0); + + ptr->s = agf->agf_roots[cur->bc_btnum]; +} + +STATIC __int64_t +xfs_rmapbt_key_diff( + struct xfs_btree_cur *cur, + union xfs_btree_key *key) +{ + struct xfs_rmap_irec *rec = &cur->bc_rec.r; + struct xfs_rmap_key *kp = &key->rmap; + __u64 x, y; + __int64_t d; + + d = (__int64_t)be32_to_cpu(kp->rm_startblock) - rec->rm_startblock; + if (d) + return d; + + x = be64_to_cpu(kp->rm_owner); + y = rec->rm_owner; + if (x > y) + return 1; + else if (y > x) + return -1; + + x = XFS_RMAP_OFF(be64_to_cpu(kp->rm_offset)); + y = rec->rm_offset; + if (x > y) + return 1; + else if (y > x) + return -1; + return 0; +} + static bool xfs_rmapbt_verify( struct xfs_buf *bp) @@ -117,12 +309,63 @@ const struct xfs_buf_ops xfs_rmapbt_buf_ops = { .verify_write = xfs_rmapbt_write_verify, }; +#if defined(DEBUG) || defined(XFS_WARN) +STATIC int +xfs_rmapbt_keys_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + if (be32_to_cpu(k1->rmap.rm_startblock) < + be32_to_cpu(k2->rmap.rm_startblock)) + return 1; + if (be64_to_cpu(k1->rmap.rm_owner) < + be64_to_cpu(k2->rmap.rm_owner)) + return 1; + if (XFS_RMAP_OFF(be64_to_cpu(k1->rmap.rm_offset)) <= + XFS_RMAP_OFF(be64_to_cpu(k2->rmap.rm_offset))) + return 1; + return 0; +} + +STATIC int +xfs_rmapbt_recs_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_rec *r1, + union xfs_btree_rec *r2) +{ + if (be32_to_cpu(r1->rmap.rm_startblock) < + be32_to_cpu(r2->rmap.rm_startblock)) + return 1; + if (XFS_RMAP_OFF(be64_to_cpu(r1->rmap.rm_offset)) < + XFS_RMAP_OFF(be64_to_cpu(r2->rmap.rm_offset))) + return 1; + if (be64_to_cpu(r1->rmap.rm_owner) <= + be64_to_cpu(r2->rmap.rm_owner)) + return 1; + return 0; +} +#endif /* DEBUG */ + static const struct xfs_btree_ops xfs_rmapbt_ops = { .rec_len = sizeof(struct xfs_rmap_rec), .key_len = sizeof(struct xfs_rmap_key), .dup_cursor = xfs_rmapbt_dup_cursor, + .set_root = xfs_rmapbt_set_root, + .alloc_block = xfs_rmapbt_alloc_block, + .free_block = xfs_rmapbt_free_block, + .get_minrecs = xfs_rmapbt_get_minrecs, + .get_maxrecs = xfs_rmapbt_get_maxrecs, + .init_key_from_rec = xfs_rmapbt_init_key_from_rec, + .init_rec_from_cur = xfs_rmapbt_init_rec_from_cur, + .init_ptr_from_cur = xfs_rmapbt_init_ptr_from_cur, + .key_diff = xfs_rmapbt_key_diff, .buf_ops = &xfs_rmapbt_buf_ops, +#if defined(DEBUG) || defined(XFS_WARN) + .keys_inorder = xfs_rmapbt_keys_inorder, + .recs_inorder = xfs_rmapbt_recs_inorder, +#endif }; /* diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 462767f..17fa383 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -52,6 +52,15 @@ struct xfs_btree_cur *xfs_rmapbt_init_cursor(struct xfs_mount *mp, int xfs_rmapbt_maxrecs(struct xfs_mount *mp, int blocklen, int leaf); extern void xfs_rmapbt_compute_maxlevels(struct xfs_mount *mp); +int xfs_rmap_lookup_le(struct xfs_btree_cur *cur, xfs_agblock_t bno, + xfs_extlen_t len, uint64_t owner, uint64_t offset, + unsigned int flags, int *stat); +int xfs_rmap_lookup_eq(struct xfs_btree_cur *cur, xfs_agblock_t bno, + xfs_extlen_t len, uint64_t owner, uint64_t offset, + unsigned int flags, int *stat); +int xfs_rmap_get_rec(struct xfs_btree_cur *cur, struct xfs_rmap_irec *irec, + int *stat); + int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, struct xfs_owner_info *oinfo); diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index b4ee9c8..28bd991 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2470,6 +2470,9 @@ DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent); DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_done); DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_error); +DEFINE_BUSY_EVENT(xfs_rmapbt_alloc_block); +DEFINE_BUSY_EVENT(xfs_rmapbt_free_block); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:21:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 61F2A7CDB for ; Thu, 16 Jun 2016 20:21:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 250C6304039 for ; Thu, 16 Jun 2016 18:21:31 -0700 (PDT) X-ASG-Debug-ID: 1466126488-04cb6c5425573a0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id i9p0u7OhPN5VYmSH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:21:29 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1LQ9B025940 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:21:27 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1LQWA009800 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:21:26 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1LQml027577; Fri, 17 Jun 2016 01:21:26 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:25 -0700 Subject: [PATCH 033/119] xfs: support overlapping intervals in the rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 033/119] xfs: support overlapping intervals in the rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:21:24 -0700 Message-ID: <146612648418.12839.17068915263834486145.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126489 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4712 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Now that the generic btree code supports overlapping intervals, plug in the rmap btree to this functionality. We will need it to find potential left neighbors in xfs_rmap_{alloc,free} later in the patch set. v2: Fix bit manipulation bug when generating high key offset. v3: Move unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_rmap_btree.c | 59 +++++++++++++++++++++++++++++++++++++++- fs/xfs/libxfs/xfs_rmap_btree.h | 10 +++++-- 2 files changed, 66 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index c50c725..9adb930 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -181,6 +181,28 @@ xfs_rmapbt_init_key_from_rec( } STATIC void +xfs_rmapbt_init_high_key_from_rec( + union xfs_btree_key *key, + union xfs_btree_rec *rec) +{ + __uint64_t off; + int adj; + + adj = be32_to_cpu(rec->rmap.rm_blockcount) - 1; + + key->rmap.rm_startblock = rec->rmap.rm_startblock; + be32_add_cpu(&key->rmap.rm_startblock, adj); + key->rmap.rm_owner = rec->rmap.rm_owner; + key->rmap.rm_offset = rec->rmap.rm_offset; + if (XFS_RMAP_NON_INODE_OWNER(be64_to_cpu(rec->rmap.rm_owner)) || + XFS_RMAP_IS_BMBT_BLOCK(be64_to_cpu(rec->rmap.rm_offset))) + return; + off = be64_to_cpu(key->rmap.rm_offset); + off = (XFS_RMAP_OFF(off) + adj) | (off & ~XFS_RMAP_OFF_MASK); + key->rmap.rm_offset = cpu_to_be64(off); +} + +STATIC void xfs_rmapbt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -235,6 +257,38 @@ xfs_rmapbt_key_diff( return 0; } +STATIC __int64_t +xfs_rmapbt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + struct xfs_rmap_key *kp1 = &k1->rmap; + struct xfs_rmap_key *kp2 = &k2->rmap; + __int64_t d; + __u64 x, y; + + d = (__int64_t)be32_to_cpu(kp2->rm_startblock) - + be32_to_cpu(kp1->rm_startblock); + if (d) + return d; + + x = be64_to_cpu(kp2->rm_owner); + y = be64_to_cpu(kp1->rm_owner); + if (x > y) + return 1; + else if (y > x) + return -1; + + x = XFS_RMAP_OFF(be64_to_cpu(kp2->rm_offset)); + y = XFS_RMAP_OFF(be64_to_cpu(kp1->rm_offset)); + if (x > y) + return 1; + else if (y > x) + return -1; + return 0; +} + static bool xfs_rmapbt_verify( struct xfs_buf *bp) @@ -350,6 +404,7 @@ xfs_rmapbt_recs_inorder( static const struct xfs_btree_ops xfs_rmapbt_ops = { .rec_len = sizeof(struct xfs_rmap_rec), .key_len = sizeof(struct xfs_rmap_key), + .flags = XFS_BTREE_OPS_OVERLAPPING, .dup_cursor = xfs_rmapbt_dup_cursor, .set_root = xfs_rmapbt_set_root, @@ -358,10 +413,12 @@ static const struct xfs_btree_ops xfs_rmapbt_ops = { .get_minrecs = xfs_rmapbt_get_minrecs, .get_maxrecs = xfs_rmapbt_get_maxrecs, .init_key_from_rec = xfs_rmapbt_init_key_from_rec, + .init_high_key_from_rec = xfs_rmapbt_init_high_key_from_rec, .init_rec_from_cur = xfs_rmapbt_init_rec_from_cur, .init_ptr_from_cur = xfs_rmapbt_init_ptr_from_cur, .key_diff = xfs_rmapbt_key_diff, .buf_ops = &xfs_rmapbt_buf_ops, + .diff_two_keys = xfs_rmapbt_diff_two_keys, #if defined(DEBUG) || defined(XFS_WARN) .keys_inorder = xfs_rmapbt_keys_inorder, .recs_inorder = xfs_rmapbt_recs_inorder, @@ -410,7 +467,7 @@ xfs_rmapbt_maxrecs( if (leaf) return blocklen / sizeof(struct xfs_rmap_rec); return blocklen / - (sizeof(struct xfs_rmap_key) + sizeof(xfs_rmap_ptr_t)); + (2 * sizeof(struct xfs_rmap_key) + sizeof(xfs_rmap_ptr_t)); } /* Compute the maximum height of an rmap btree. */ diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 17fa383..796071c 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -38,12 +38,18 @@ struct xfs_mount; #define XFS_RMAP_KEY_ADDR(block, index) \ ((struct xfs_rmap_key *) \ ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ - ((index) - 1) * sizeof(struct xfs_rmap_key))) + ((index) - 1) * 2 * sizeof(struct xfs_rmap_key))) + +#define XFS_RMAP_HIGH_KEY_ADDR(block, index) \ + ((struct xfs_rmap_key *) \ + ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ + sizeof(struct xfs_rmap_key) + \ + ((index) - 1) * 2 * sizeof(struct xfs_rmap_key))) #define XFS_RMAP_PTR_ADDR(block, index, maxrecs) \ ((xfs_rmap_ptr_t *) \ ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ - (maxrecs) * sizeof(struct xfs_rmap_key) + \ + (maxrecs) * 2 * sizeof(struct xfs_rmap_key) + \ ((index) - 1) * sizeof(xfs_rmap_ptr_t))) struct xfs_btree_cur *xfs_rmapbt_init_cursor(struct xfs_mount *mp, From darrick.wong@oracle.com Thu Jun 16 20:21:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 938767CAF for ; Thu, 16 Jun 2016 20:21:36 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 655A78F804B for ; Thu, 16 Jun 2016 18:21:36 -0700 (PDT) X-ASG-Debug-ID: 1466126494-04cb6c5426573b0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 5tIaNCTevPlrCYoe (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:21:34 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1LWEE006793 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:21:32 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1LWAV009937 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:21:32 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1LWB2027594; Fri, 17 Jun 2016 01:21:32 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:32 -0700 Subject: [PATCH 034/119] xfs: teach rmapbt to support interval queries From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 034/119] xfs: teach rmapbt to support interval queries To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:21:30 -0700 Message-ID: <146612649050.12839.2803288971604662823.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126494 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2531 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Now that the generic btree code supports querying all records within a range of keys, use that functionality to allow us to ask for all the extents mapped to a range of physical blocks. v2: Move unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_rmap.c | 43 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.h | 9 ++++++++ 2 files changed, 52 insertions(+) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index c6a5a0b..0e1721a 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -184,3 +184,46 @@ out_error: trace_xfs_rmap_alloc_extent_error(mp, agno, bno, len, false, oinfo); return error; } + +struct xfs_rmapbt_query_range_info { + xfs_rmapbt_query_range_fn fn; + void *priv; +}; + +/* Format btree record and pass to our callback. */ +STATIC int +xfs_rmapbt_query_range_helper( + struct xfs_btree_cur *cur, + union xfs_btree_rec *rec, + void *priv) +{ + struct xfs_rmapbt_query_range_info *query = priv; + struct xfs_rmap_irec irec; + int error; + + error = xfs_rmapbt_btrec_to_irec(rec, &irec); + if (error) + return error; + return query->fn(cur, &irec, query->priv); +} + +/* Find all rmaps between two keys. */ +int +xfs_rmapbt_query_range( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *low_rec, + struct xfs_rmap_irec *high_rec, + xfs_rmapbt_query_range_fn fn, + void *priv) +{ + union xfs_btree_irec low_brec; + union xfs_btree_irec high_brec; + struct xfs_rmapbt_query_range_info query; + + low_brec.r = *low_rec; + high_brec.r = *high_rec; + query.priv = priv; + query.fn = fn; + return xfs_btree_query_range(cur, &low_brec, &high_brec, + xfs_rmapbt_query_range_helper, &query); +} diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 796071c..e926c6e 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -74,4 +74,13 @@ int xfs_rmap_free(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, struct xfs_owner_info *oinfo); +typedef int (*xfs_rmapbt_query_range_fn)( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv); + +int xfs_rmapbt_query_range(struct xfs_btree_cur *cur, + struct xfs_rmap_irec *low_rec, struct xfs_rmap_irec *high_rec, + xfs_rmapbt_query_range_fn fn, void *priv); + #endif /* __XFS_RMAP_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:21:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6DA787CDB for ; Thu, 16 Jun 2016 20:21:43 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3F212304039 for ; Thu, 16 Jun 2016 18:21:43 -0700 (PDT) X-ASG-Debug-ID: 1466126501-04cbb01fed69600001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id DCuKYqleLMDy5pV2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:21:41 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Lddv006887 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:39 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Ld0D013033 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:39 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1LcEn027663; Fri, 17 Jun 2016 01:21:38 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:38 -0700 Subject: [PATCH 035/119] xfs: add tracepoints for the rmap functions From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 035/119] xfs: add tracepoints for the rmap functions To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:21:36 -0700 Message-ID: <146612649677.12839.16503733724386105697.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126501 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4048 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_trace.h | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 79 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 28bd991..6daafaf 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2415,8 +2415,6 @@ DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_cancel); DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_finish); DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_abort); -DEFINE_MAP_EXTENT_DEFERRED_EVENT(xfs_defer_map_extent); - #define DEFINE_BMAP_FREE_DEFERRED_EVENT DEFINE_PHYS_EXTENT_DEFERRED_EVENT DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_defer); DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_deferred); @@ -2463,6 +2461,36 @@ DEFINE_EVENT(xfs_rmap_class, name, \ struct xfs_owner_info *oinfo), \ TP_ARGS(mp, agno, agbno, len, unwritten, oinfo)) +/* simple AG-based error/%ip tracepoint class */ +DECLARE_EVENT_CLASS(xfs_ag_error_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int error, + unsigned long caller_ip), + TP_ARGS(mp, agno, error, caller_ip), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(int, error) + __field(unsigned long, caller_ip) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->error = error; + __entry->caller_ip = caller_ip; + ), + TP_printk("dev %d:%d agno %u error %d caller %ps", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->error, + (char *)__entry->caller_ip) +); + +#define DEFINE_AG_ERROR_EVENT(name) \ +DEFINE_EVENT(xfs_ag_error_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int error, \ + unsigned long caller_ip), \ + TP_ARGS(mp, agno, error, caller_ip)) + DEFINE_RMAP_EVENT(xfs_rmap_free_extent); DEFINE_RMAP_EVENT(xfs_rmap_free_extent_done); DEFINE_RMAP_EVENT(xfs_rmap_free_extent_error); @@ -2470,8 +2498,57 @@ DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent); DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_done); DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_error); +DECLARE_EVENT_CLASS(xfs_rmapbt_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + xfs_agblock_t agbno, xfs_extlen_t len, + uint64_t owner, uint64_t offset, unsigned int flags), + TP_ARGS(mp, agno, agbno, len, owner, offset, flags), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, agbno) + __field(xfs_extlen_t, len) + __field(uint64_t, owner) + __field(uint64_t, offset) + __field(unsigned int, flags) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->agbno = agbno; + __entry->len = len; + __entry->owner = owner; + __entry->offset = offset; + __entry->flags = flags; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u owner %lld offset %llu flags 0x%x", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->agbno, + __entry->len, + __entry->owner, + __entry->offset, + __entry->flags) +); +#define DEFINE_RMAPBT_EVENT(name) \ +DEFINE_EVENT(xfs_rmapbt_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + xfs_agblock_t agbno, xfs_extlen_t len, \ + uint64_t owner, uint64_t offset, unsigned int flags), \ + TP_ARGS(mp, agno, agbno, len, owner, offset, flags)) + +#define DEFINE_RMAP_DEFERRED_EVENT DEFINE_MAP_EXTENT_DEFERRED_EVENT +DEFINE_RMAP_DEFERRED_EVENT(xfs_rmap_defer); +DEFINE_RMAP_DEFERRED_EVENT(xfs_rmap_deferred); + DEFINE_BUSY_EVENT(xfs_rmapbt_alloc_block); DEFINE_BUSY_EVENT(xfs_rmapbt_free_block); +DEFINE_RMAPBT_EVENT(xfs_rmapbt_update); +DEFINE_RMAPBT_EVENT(xfs_rmapbt_insert); +DEFINE_RMAPBT_EVENT(xfs_rmapbt_delete); +DEFINE_AG_ERROR_EVENT(xfs_rmapbt_insert_error); +DEFINE_AG_ERROR_EVENT(xfs_rmapbt_delete_error); +DEFINE_AG_ERROR_EVENT(xfs_rmapbt_update_error); #endif /* _TRACE_XFS_H */ From darrick.wong@oracle.com Thu Jun 16 20:21:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 47D987CDB for ; Thu, 16 Jun 2016 20:21:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 198D7304048 for ; Thu, 16 Jun 2016 18:21:53 -0700 (PDT) X-ASG-Debug-ID: 1466126510-04cbb01fee69610001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Wi0AVUuCiWRlb7gU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:21:50 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1LmVN026196 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:21:48 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1LlFi010481 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:47 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1LiQU007130; Fri, 17 Jun 2016 01:21:46 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:44 -0700 Subject: [PATCH 036/119] xfs: add an extent to the rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 036/119] xfs: add an extent to the rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:21:43 -0700 Message-ID: <146612650302.12839.2761171937406229512.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126510 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9734 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Now all the btree, free space and transaction infrastructure is in place, we can finally add the code to insert reverse mappings to the rmap btree. Freeing will be done in a separate patch, so just the addition operation can be focussed on here. v2: Update alloc function to handle non-shared file data. Isolate the part that makes changes from the part that initializes the rmap cursor; this will be useful for deferred updates. [darrick: handle owner offsets when adding rmaps] [dchinner: remove remaining debug printk statements] [darrick: move unwritten bit to rm_offset] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_rmap.c | 225 +++++++++++++++++++++++++++++++++++++++- fs/xfs/libxfs/xfs_rmap_btree.h | 1 fs/xfs/xfs_trace.h | 2 3 files changed, 223 insertions(+), 5 deletions(-) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index 0e1721a..196e952 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -159,6 +159,218 @@ out_error: return error; } +/* + * A mergeable rmap should have the same owner, cannot be unwritten, and + * must be a bmbt rmap if we're asking about a bmbt rmap. + */ +static bool +xfs_rmap_is_mergeable( + struct xfs_rmap_irec *irec, + uint64_t owner, + uint64_t offset, + xfs_extlen_t len, + unsigned int flags) +{ + if (irec->rm_owner == XFS_RMAP_OWN_NULL) + return false; + if (irec->rm_owner != owner) + return false; + if ((flags & XFS_RMAP_UNWRITTEN) ^ + (irec->rm_flags & XFS_RMAP_UNWRITTEN)) + return false; + if ((flags & XFS_RMAP_ATTR_FORK) ^ + (irec->rm_flags & XFS_RMAP_ATTR_FORK)) + return false; + if ((flags & XFS_RMAP_BMBT_BLOCK) ^ + (irec->rm_flags & XFS_RMAP_BMBT_BLOCK)) + return false; + return true; +} + +/* + * When we allocate a new block, the first thing we do is add a reference to + * the extent in the rmap btree. This takes the form of a [agbno, length, + * owner, offset] record. Flags are encoded in the high bits of the offset + * field. + */ +STATIC int +__xfs_rmap_alloc( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec ltrec; + struct xfs_rmap_irec gtrec; + int have_gt; + int have_lt; + int error = 0; + int i; + uint64_t owner; + uint64_t offset; + unsigned int flags = 0; + bool ignore_off; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + ignore_off = XFS_RMAP_NON_INODE_OWNER(owner) || + (flags & XFS_RMAP_BMBT_BLOCK); + if (unwritten) + flags |= XFS_RMAP_UNWRITTEN; + trace_xfs_rmap_alloc_extent(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * For the initial lookup, look for and exact match or the left-adjacent + * record for our insertion point. This will also give us the record for + * start block contiguity tests. + */ + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, flags, + &have_lt); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, have_lt == 1, out_error); + + error = xfs_rmap_get_rec(cur, <rec, &have_lt); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, have_lt == 1, out_error); + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, + cur->bc_private.a.agno, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + + if (!xfs_rmap_is_mergeable(<rec, owner, offset, len, flags)) + have_lt = 0; + + XFS_WANT_CORRUPTED_GOTO(mp, + have_lt == 0 || + ltrec.rm_startblock + ltrec.rm_blockcount <= bno, out_error); + + /* + * Increment the cursor to see if we have a right-adjacent record to our + * insertion point. This will give us the record for end block + * contiguity tests. + */ + error = xfs_btree_increment(cur, 0, &have_gt); + if (error) + goto out_error; + if (have_gt) { + error = xfs_rmap_get_rec(cur, >rec, &have_gt); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, have_gt == 1, out_error); + XFS_WANT_CORRUPTED_GOTO(mp, bno + len <= gtrec.rm_startblock, + out_error); + trace_xfs_rmap_map_gtrec(cur->bc_mp, + cur->bc_private.a.agno, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + if (!xfs_rmap_is_mergeable(>rec, owner, offset, len, flags)) + have_gt = 0; + } + + /* + * Note: cursor currently points one record to the right of ltrec, even + * if there is no record in the tree to the right. + */ + if (have_lt && + ltrec.rm_startblock + ltrec.rm_blockcount == bno && + (ignore_off || ltrec.rm_offset + ltrec.rm_blockcount == offset)) { + /* + * left edge contiguous, merge into left record. + * + * ltbno ltlen + * orig: |ooooooooo| + * adding: |aaaaaaaaa| + * result: |rrrrrrrrrrrrrrrrrrr| + * bno len + */ + ltrec.rm_blockcount += len; + if (have_gt && + bno + len == gtrec.rm_startblock && + (ignore_off || offset + len == gtrec.rm_offset) && + (unsigned long)ltrec.rm_blockcount + len + + gtrec.rm_blockcount <= XFS_RMAP_LEN_MAX) { + /* + * right edge also contiguous, delete right record + * and merge into left record. + * + * ltbno ltlen gtbno gtlen + * orig: |ooooooooo| |ooooooooo| + * adding: |aaaaaaaaa| + * result: |rrrrrrrrrrrrrrrrrrrrrrrrrrrrr| + */ + ltrec.rm_blockcount += gtrec.rm_blockcount; + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + gtrec.rm_startblock, + gtrec.rm_blockcount, + gtrec.rm_owner, + gtrec.rm_offset, + gtrec.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + } + + /* point the cursor back to the left record and update */ + error = xfs_btree_decrement(cur, 0, &have_gt); + if (error) + goto out_error; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else if (have_gt && + bno + len == gtrec.rm_startblock && + (ignore_off || offset + len == gtrec.rm_offset)) { + /* + * right edge contiguous, merge into right record. + * + * gtbno gtlen + * Orig: |ooooooooo| + * adding: |aaaaaaaaa| + * Result: |rrrrrrrrrrrrrrrrrrr| + * bno len + */ + gtrec.rm_startblock = bno; + gtrec.rm_blockcount += len; + if (!ignore_off) + gtrec.rm_offset = offset; + error = xfs_rmap_update(cur, >rec); + if (error) + goto out_error; + } else { + /* + * no contiguous edge with identical owner, insert + * new record at current cursor position. + */ + cur->bc_rec.r.rm_startblock = bno; + cur->bc_rec.r.rm_blockcount = len; + cur->bc_rec.r.rm_owner = owner; + cur->bc_rec.r.rm_offset = offset; + cur->bc_rec.r.rm_flags = flags; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, len, + owner, offset, flags); + error = xfs_btree_insert(cur, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + } + + trace_xfs_rmap_alloc_extent_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +out_error: + if (error) + trace_xfs_rmap_alloc_extent_error(mp, cur->bc_private.a.agno, + bno, len, unwritten, oinfo); + return error; +} + +/* + * Add a reference to an extent in the rmap btree. + */ int xfs_rmap_alloc( struct xfs_trans *tp, @@ -169,19 +381,22 @@ xfs_rmap_alloc( struct xfs_owner_info *oinfo) { struct xfs_mount *mp = tp->t_mountp; - int error = 0; + struct xfs_btree_cur *cur; + int error; if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) return 0; - trace_xfs_rmap_alloc_extent(mp, agno, bno, len, false, oinfo); - if (1) + cur = xfs_rmapbt_init_cursor(mp, tp, agbp, agno); + error = __xfs_rmap_alloc(cur, bno, len, false, oinfo); + if (error) goto out_error; - trace_xfs_rmap_alloc_extent_done(mp, agno, bno, len, false, oinfo); + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); return 0; out_error: - trace_xfs_rmap_alloc_extent_error(mp, agno, bno, len, false, oinfo); + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); return error; } diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index e926c6e..9d92da5 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -67,6 +67,7 @@ int xfs_rmap_lookup_eq(struct xfs_btree_cur *cur, xfs_agblock_t bno, int xfs_rmap_get_rec(struct xfs_btree_cur *cur, struct xfs_rmap_irec *irec, int *stat); +/* functions for updating the rmapbt for bmbt blocks and AG btree blocks */ int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, struct xfs_owner_info *oinfo); diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 6daafaf..3ebceb0 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2549,6 +2549,8 @@ DEFINE_RMAPBT_EVENT(xfs_rmapbt_delete); DEFINE_AG_ERROR_EVENT(xfs_rmapbt_insert_error); DEFINE_AG_ERROR_EVENT(xfs_rmapbt_delete_error); DEFINE_AG_ERROR_EVENT(xfs_rmapbt_update_error); +DEFINE_RMAPBT_EVENT(xfs_rmap_lookup_le_range_result); +DEFINE_RMAPBT_EVENT(xfs_rmap_map_gtrec); #endif /* _TRACE_XFS_H */ From darrick.wong@oracle.com Thu Jun 16 20:21:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EDF097D94 for ; Thu, 16 Jun 2016 20:21:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id AF0648F8054 for ; Thu, 16 Jun 2016 18:21:59 -0700 (PDT) X-ASG-Debug-ID: 1466126516-04bdf01e1795950001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id OGnsh2IpGwyPhi2S (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:21:56 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Lsd2026243 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:54 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1LrIE013281 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:54 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1LpMG007159; Fri, 17 Jun 2016 01:21:52 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:51 -0700 Subject: [PATCH 037/119] xfs: remove an extent from the rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 037/119] xfs: remove an extent from the rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:21:49 -0700 Message-ID: <146612650943.12839.11339483902920543336.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126516 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9015 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Now that we have records in the rmap btree, we need to remove them when extents are freed. This needs to find the relevant record in the btree and remove/trim/split it accordingly. v2: Update the free function to deal with non-shared file data, and isolate the part that does the rmap update from the part that deals with cursors. This will be useful for deferred ops. [darrick.wong@oracle.com: make rmap routines handle the enlarged keyspace] [dchinner: remove remaining unused debug printks] [darrick: fix a bug when growfs in an AG with an rmap ending at EOFS] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_rmap.c | 220 +++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 215 insertions(+), 5 deletions(-) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index 196e952..1043c63 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -133,6 +133,212 @@ xfs_rmap_get_rec( return xfs_rmapbt_btrec_to_irec(rec, irec); } +/* + * Find the extent in the rmap btree and remove it. + * + * The record we find should always be an exact match for the extent that we're + * looking for, since we insert them into the btree without modification. + * + * Special Case #1: when growing the filesystem, we "free" an extent when + * growing the last AG. This extent is new space and so it is not tracked as + * used space in the btree. The growfs code will pass in an owner of + * XFS_RMAP_OWN_NULL to indicate that it expected that there is no owner of this + * extent. We verify that - the extent lookup result in a record that does not + * overlap. + * + * Special Case #2: EFIs do not record the owner of the extent, so when + * recovering EFIs from the log we pass in XFS_RMAP_OWN_UNKNOWN to tell the rmap + * btree to ignore the owner (i.e. wildcard match) so we don't trigger + * corruption checks during log recovery. + */ +STATIC int +__xfs_rmap_free( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec ltrec; + uint64_t ltoff; + int error = 0; + int i; + uint64_t owner; + uint64_t offset; + unsigned int flags; + bool ignore_off; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + ignore_off = XFS_RMAP_NON_INODE_OWNER(owner) || + (flags & XFS_RMAP_BMBT_BLOCK); + if (unwritten) + flags |= XFS_RMAP_UNWRITTEN; + trace_xfs_rmap_free_extent(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * We should always have a left record because there's a static record + * for the AG headers at rm_startblock == 0 created by mkfs/growfs that + * will not ever be removed from the tree. + */ + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, flags, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + error = xfs_rmap_get_rec(cur, <rec, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, + cur->bc_private.a.agno, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + ltoff = ltrec.rm_offset; + + /* + * For growfs, the incoming extent must be beyond the left record we + * just found as it is new space and won't be used by anyone. This is + * just a corruption check as we don't actually do anything with this + * extent. Note that we need to use >= instead of > because it might + * be the case that the "left" extent goes all the way to EOFS. + */ + if (owner == XFS_RMAP_OWN_NULL) { + XFS_WANT_CORRUPTED_GOTO(mp, bno >= ltrec.rm_startblock + + ltrec.rm_blockcount, out_error); + goto out_done; + } + + /* Make sure the unwritten flag matches. */ + XFS_WANT_CORRUPTED_GOTO(mp, (flags & XFS_RMAP_UNWRITTEN) == + (ltrec.rm_flags & XFS_RMAP_UNWRITTEN), out_error); + + /* Make sure the extent we found covers the entire freeing range. */ + XFS_WANT_CORRUPTED_GOTO(mp, ltrec.rm_startblock <= bno && + ltrec.rm_startblock + ltrec.rm_blockcount >= + bno + len, out_error); + + /* Make sure the owner matches what we expect to find in the tree. */ + XFS_WANT_CORRUPTED_GOTO(mp, owner == ltrec.rm_owner || + XFS_RMAP_NON_INODE_OWNER(owner), out_error); + + /* Check the offset, if necessary. */ + if (!XFS_RMAP_NON_INODE_OWNER(owner)) { + if (flags & XFS_RMAP_BMBT_BLOCK) { + XFS_WANT_CORRUPTED_GOTO(mp, + ltrec.rm_flags & XFS_RMAP_BMBT_BLOCK, + out_error); + } else { + XFS_WANT_CORRUPTED_GOTO(mp, + ltrec.rm_offset <= offset, out_error); + XFS_WANT_CORRUPTED_GOTO(mp, + ltoff + ltrec.rm_blockcount >= offset + len, + out_error); + } + } + + if (ltrec.rm_startblock == bno && ltrec.rm_blockcount == len) { + /* exact match, simply remove the record from rmap tree */ + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + ltrec.rm_startblock, ltrec.rm_blockcount, + ltrec.rm_owner, ltrec.rm_offset, + ltrec.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + } else if (ltrec.rm_startblock == bno) { + /* + * overlap left hand side of extent: move the start, trim the + * length and update the current record. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrrrrrrr| + * bno len + */ + ltrec.rm_startblock += len; + ltrec.rm_blockcount -= len; + if (!ignore_off) + ltrec.rm_offset += len; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else if (ltrec.rm_startblock + ltrec.rm_blockcount == bno + len) { + /* + * overlap right hand side of extent: trim the length and update + * the current record. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrrrrrrr| + * bno len + */ + ltrec.rm_blockcount -= len; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else { + + /* + * overlap middle of extent: trim the length of the existing + * record to the length of the new left-extent size, increment + * the insertion position so we can insert a new record + * containing the remaining right-extent space. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrr| |rrrr| + * bno len + */ + xfs_extlen_t orig_len = ltrec.rm_blockcount; + + ltrec.rm_blockcount = bno - ltrec.rm_startblock; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto out_error; + + cur->bc_rec.r.rm_startblock = bno + len; + cur->bc_rec.r.rm_blockcount = orig_len - len - + ltrec.rm_blockcount; + cur->bc_rec.r.rm_owner = ltrec.rm_owner; + if (ignore_off) + cur->bc_rec.r.rm_offset = 0; + else + cur->bc_rec.r.rm_offset = offset + len; + cur->bc_rec.r.rm_flags = flags; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, + cur->bc_rec.r.rm_startblock, + cur->bc_rec.r.rm_blockcount, + cur->bc_rec.r.rm_owner, + cur->bc_rec.r.rm_offset, + cur->bc_rec.r.rm_flags); + error = xfs_btree_insert(cur, &i); + if (error) + goto out_error; + } + +out_done: + trace_xfs_rmap_free_extent_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +out_error: + if (error) + trace_xfs_rmap_free_extent_error(mp, cur->bc_private.a.agno, + bno, len, unwritten, oinfo); + return error; +} + +/* + * Remove a reference to an extent in the rmap btree. + */ int xfs_rmap_free( struct xfs_trans *tp, @@ -143,19 +349,23 @@ xfs_rmap_free( struct xfs_owner_info *oinfo) { struct xfs_mount *mp = tp->t_mountp; - int error = 0; + struct xfs_btree_cur *cur; + int error; if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) return 0; - trace_xfs_rmap_free_extent(mp, agno, bno, len, false, oinfo); - if (1) + cur = xfs_rmapbt_init_cursor(mp, tp, agbp, agno); + + error = __xfs_rmap_free(cur, bno, len, false, oinfo); + if (error) goto out_error; - trace_xfs_rmap_free_extent_done(mp, agno, bno, len, false, oinfo); + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); return 0; out_error: - trace_xfs_rmap_free_extent_error(mp, agno, bno, len, false, oinfo); + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); return error; } From darrick.wong@oracle.com Thu Jun 16 20:22:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AC4AF7DA0 for ; Thu, 16 Jun 2016 20:22:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6AF6A8F8050 for ; Thu, 16 Jun 2016 18:22:05 -0700 (PDT) X-ASG-Debug-ID: 1466126521-04bdf01e1095950001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id BoiSXwSxFKY1PFLG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:02 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1M0GM007015 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:22:00 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1LxST010818 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:21:59 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Lv2N019357; Fri, 17 Jun 2016 01:21:58 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:21:57 -0700 Subject: [PATCH 038/119] xfs: convert unwritten status of reverse mappings From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 038/119] xfs: convert unwritten status of reverse mappings To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:21:55 -0700 Message-ID: <146612651582.12839.562287367335619574.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126522 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15113 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a function to convert an unwritten extent to a real one and vice versa. v2: Move unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_rmap.c | 442 ++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_trace.h | 6 + 2 files changed, 448 insertions(+) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index 1043c63..53ba14e 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -610,6 +610,448 @@ out_error: return error; } +#define RMAP_LEFT_CONTIG (1 << 0) +#define RMAP_RIGHT_CONTIG (1 << 1) +#define RMAP_LEFT_FILLING (1 << 2) +#define RMAP_RIGHT_FILLING (1 << 3) +#define RMAP_LEFT_VALID (1 << 6) +#define RMAP_RIGHT_VALID (1 << 7) + +#define LEFT r[0] +#define RIGHT r[1] +#define PREV r[2] +#define NEW r[3] + +/* + * Convert an unwritten extent to a real extent or vice versa. + * Does not handle overlapping extents. + */ +STATIC int +__xfs_rmap_convert( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec r[4]; /* neighbor extent entries */ + /* left is 0, right is 1, prev is 2 */ + /* new is 3 */ + uint64_t owner; + uint64_t offset; + uint64_t new_endoff; + unsigned int oldext; + unsigned int newext; + unsigned int flags = 0; + int i; + int state = 0; + int error; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + ASSERT(!(XFS_RMAP_NON_INODE_OWNER(owner) || + (flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK)))); + oldext = unwritten ? XFS_RMAP_UNWRITTEN : 0; + new_endoff = offset + len; + trace_xfs_rmap_convert(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * For the initial lookup, look for and exact match or the left-adjacent + * record for our insertion point. This will also give us the record for + * start block contiguity tests. + */ + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, oldext, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + + error = xfs_rmap_get_rec(cur, &PREV, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, + cur->bc_private.a.agno, PREV.rm_startblock, + PREV.rm_blockcount, PREV.rm_owner, + PREV.rm_offset, PREV.rm_flags); + + ASSERT(PREV.rm_offset <= offset); + ASSERT(PREV.rm_offset + PREV.rm_blockcount >= new_endoff); + ASSERT((PREV.rm_flags & XFS_RMAP_UNWRITTEN) == oldext); + newext = ~oldext & XFS_RMAP_UNWRITTEN; + + /* + * Set flags determining what part of the previous oldext allocation + * extent is being replaced by a newext allocation. + */ + if (PREV.rm_offset == offset) + state |= RMAP_LEFT_FILLING; + if (PREV.rm_offset + PREV.rm_blockcount == new_endoff) + state |= RMAP_RIGHT_FILLING; + + /* + * Decrement the cursor to see if we have a left-adjacent record to our + * insertion point. This will give us the record for end block + * contiguity tests. + */ + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + if (i) { + state |= RMAP_LEFT_VALID; + error = xfs_rmap_get_rec(cur, &LEFT, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + XFS_WANT_CORRUPTED_GOTO(mp, + LEFT.rm_startblock + LEFT.rm_blockcount <= bno, + done); + trace_xfs_rmap_find_left_neighbor_result(cur->bc_mp, + cur->bc_private.a.agno, LEFT.rm_startblock, + LEFT.rm_blockcount, LEFT.rm_owner, + LEFT.rm_offset, LEFT.rm_flags); + if (LEFT.rm_startblock + LEFT.rm_blockcount == bno && + LEFT.rm_offset + LEFT.rm_blockcount == offset && + xfs_rmap_is_mergeable(&LEFT, owner, offset, len, newext)) + state |= RMAP_LEFT_CONTIG; + } + + /* + * Increment the cursor to see if we have a right-adjacent record to our + * insertion point. This will give us the record for end block + * contiguity tests. + */ + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + if (i) { + state |= RMAP_RIGHT_VALID; + error = xfs_rmap_get_rec(cur, &RIGHT, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + XFS_WANT_CORRUPTED_GOTO(mp, bno + len <= RIGHT.rm_startblock, + done); + trace_xfs_rmap_convert_gtrec(cur->bc_mp, + cur->bc_private.a.agno, RIGHT.rm_startblock, + RIGHT.rm_blockcount, RIGHT.rm_owner, + RIGHT.rm_offset, RIGHT.rm_flags); + if (bno + len == RIGHT.rm_startblock && + offset + len == RIGHT.rm_offset && + xfs_rmap_is_mergeable(&RIGHT, owner, offset, len, newext)) + state |= RMAP_RIGHT_CONTIG; + } + + /* check that left + prev + right is not too long */ + if ((state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) == + (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG) && + (unsigned long)LEFT.rm_blockcount + len + + RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX) + state &= ~RMAP_RIGHT_CONTIG; + + trace_xfs_rmap_convert_state(mp, cur->bc_private.a.agno, state, + _RET_IP_); + + /* reset the cursor back to PREV */ + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, oldext, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + + /* + * Switch out based on the FILLING and CONTIG state bits. + */ + switch (state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) { + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The left and right neighbors are both contiguous with new. + */ + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + RIGHT.rm_startblock, RIGHT.rm_blockcount, + RIGHT.rm_owner, RIGHT.rm_offset, + RIGHT.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + PREV.rm_startblock, PREV.rm_blockcount, + PREV.rm_owner, PREV.rm_offset, + PREV.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW = LEFT; + NEW.rm_blockcount += PREV.rm_blockcount + RIGHT.rm_blockcount; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The left neighbor is contiguous, the right is not. + */ + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + PREV.rm_startblock, PREV.rm_blockcount, + PREV.rm_owner, PREV.rm_offset, + PREV.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW = LEFT; + NEW.rm_blockcount += PREV.rm_blockcount; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The right neighbor is contiguous, the left is not. + */ + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + RIGHT.rm_startblock, RIGHT.rm_blockcount, + RIGHT.rm_owner, RIGHT.rm_offset, + RIGHT.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_startblock = bno; + NEW.rm_owner = owner; + NEW.rm_offset = offset; + NEW.rm_blockcount = len + RIGHT.rm_blockcount; + NEW.rm_flags = newext; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING: + /* + * Setting all of a previous oldext extent to newext. + * Neither the left nor right neighbors are contiguous with + * the new one. + */ + NEW = PREV; + NEW.rm_flags = newext; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG: + /* + * Setting the first part of a previous oldext extent to newext. + * The left neighbor is contiguous. + */ + NEW = PREV; + NEW.rm_offset += len; + NEW.rm_startblock += len; + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + NEW = LEFT; + NEW.rm_blockcount += len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING: + /* + * Setting the first part of a previous oldext extent to newext. + * The left neighbor is not contiguous. + */ + NEW = PREV; + NEW.rm_startblock += len; + NEW.rm_offset += len; + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + NEW.rm_startblock = bno; + NEW.rm_owner = owner; + NEW.rm_offset = offset; + NEW.rm_blockcount = len; + NEW.rm_flags = newext; + cur->bc_rec.r = NEW; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, + len, owner, offset, newext); + error = xfs_btree_insert(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + break; + + case RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting the last part of a previous oldext extent to newext. + * The right neighbor is contiguous with the new allocation. + */ + NEW = PREV; + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + NEW = RIGHT; + NEW.rm_offset = offset; + NEW.rm_startblock = bno; + NEW.rm_blockcount += len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_RIGHT_FILLING: + /* + * Setting the last part of a previous oldext extent to newext. + * The right neighbor is not contiguous. + */ + NEW = PREV; + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + error = xfs_rmap_lookup_eq(cur, bno, len, owner, offset, + oldext, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 0, done); + NEW.rm_startblock = bno; + NEW.rm_owner = owner; + NEW.rm_offset = offset; + NEW.rm_blockcount = len; + NEW.rm_flags = newext; + cur->bc_rec.r = NEW; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, + len, owner, offset, newext); + error = xfs_btree_insert(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + break; + + case 0: + /* + * Setting the middle part of a previous oldext extent to + * newext. Contiguity is impossible here. + * One extent becomes three extents. + */ + /* new right extent - oldext */ + NEW.rm_startblock = bno + len; + NEW.rm_owner = owner; + NEW.rm_offset = new_endoff; + NEW.rm_blockcount = PREV.rm_offset + PREV.rm_blockcount - + new_endoff; + NEW.rm_flags = PREV.rm_flags; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + /* new left extent - oldext */ + NEW = PREV; + NEW.rm_blockcount = offset - PREV.rm_offset; + cur->bc_rec.r = NEW; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, + NEW.rm_startblock, NEW.rm_blockcount, + NEW.rm_owner, NEW.rm_offset, + NEW.rm_flags); + error = xfs_btree_insert(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + /* + * Reset the cursor to the position of the new extent + * we are about to insert as we can't trust it after + * the previous insert. + */ + error = xfs_rmap_lookup_eq(cur, bno, len, owner, offset, + oldext, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 0, done); + /* new middle extent - newext */ + cur->bc_rec.b.br_state = newext; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, len, + owner, offset, newext); + error = xfs_btree_insert(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + break; + + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_LEFT_FILLING | RMAP_RIGHT_CONTIG: + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: + case RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_LEFT_CONTIG: + case RMAP_RIGHT_CONTIG: + /* + * These cases are all impossible. + */ + ASSERT(0); + } + + trace_xfs_rmap_convert_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +done: + if (error) + trace_xfs_rmap_convert_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +#undef NEW +#undef LEFT +#undef RIGHT +#undef PREV + struct xfs_rmapbt_query_range_info { xfs_rmapbt_query_range_fn fn; void *priv; diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 3ebceb0..6466adc 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2497,6 +2497,10 @@ DEFINE_RMAP_EVENT(xfs_rmap_free_extent_error); DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent); DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_done); DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_error); +DEFINE_RMAP_EVENT(xfs_rmap_convert); +DEFINE_RMAP_EVENT(xfs_rmap_convert_done); +DEFINE_AG_ERROR_EVENT(xfs_rmap_convert_error); +DEFINE_AG_ERROR_EVENT(xfs_rmap_convert_state); DECLARE_EVENT_CLASS(xfs_rmapbt_class, TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, @@ -2551,6 +2555,8 @@ DEFINE_AG_ERROR_EVENT(xfs_rmapbt_delete_error); DEFINE_AG_ERROR_EVENT(xfs_rmapbt_update_error); DEFINE_RMAPBT_EVENT(xfs_rmap_lookup_le_range_result); DEFINE_RMAPBT_EVENT(xfs_rmap_map_gtrec); +DEFINE_RMAPBT_EVENT(xfs_rmap_convert_gtrec); +DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_result); #endif /* _TRACE_XFS_H */ From darrick.wong@oracle.com Thu Jun 16 20:22:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4C8D07CB5 for ; Thu, 16 Jun 2016 20:22:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id C31A1AC001 for ; Thu, 16 Jun 2016 18:22:09 -0700 (PDT) X-ASG-Debug-ID: 1466126527-04cb6c542657410001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id fPcVyIwtI2JfzwdZ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1M5Ph026533 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:05 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1M58t007106 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:05 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1M4F9019406; Fri, 17 Jun 2016 01:22:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:03 -0700 Subject: [PATCH 039/119] xfs: add rmap btree insert and delete helpers From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 039/119] xfs: add rmap btree insert and delete helpers To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:22:02 -0700 Message-ID: <146612652222.12839.8353722216601177344.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126527 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3765 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add a couple of helper functions to encapsulate rmap btree insert and delete operations. Add tracepoints to the update function. Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_rmap.c | 78 +++++++++++++++++++++++++++++++++++++++- fs/xfs/libxfs/xfs_rmap_btree.h | 3 ++ 2 files changed, 80 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index 53ba14e..f92eaa1 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -92,13 +92,89 @@ xfs_rmap_update( struct xfs_rmap_irec *irec) { union xfs_btree_rec rec; + int error; + + trace_xfs_rmapbt_update(cur->bc_mp, cur->bc_private.a.agno, + irec->rm_startblock, irec->rm_blockcount, + irec->rm_owner, irec->rm_offset, irec->rm_flags); rec.rmap.rm_startblock = cpu_to_be32(irec->rm_startblock); rec.rmap.rm_blockcount = cpu_to_be32(irec->rm_blockcount); rec.rmap.rm_owner = cpu_to_be64(irec->rm_owner); rec.rmap.rm_offset = cpu_to_be64( xfs_rmap_irec_offset_pack(irec)); - return xfs_btree_update(cur, &rec); + error = xfs_btree_update(cur, &rec); + if (error) + trace_xfs_rmapbt_update_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +int +xfs_rmapbt_insert( + struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, + xfs_extlen_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags) +{ + int i; + int error; + + trace_xfs_rmapbt_insert(rcur->bc_mp, rcur->bc_private.a.agno, agbno, + len, owner, offset, flags); + + error = xfs_rmap_lookup_eq(rcur, agbno, len, owner, offset, flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(rcur->bc_mp, i == 0, done); + + rcur->bc_rec.r.rm_startblock = agbno; + rcur->bc_rec.r.rm_blockcount = len; + rcur->bc_rec.r.rm_owner = owner; + rcur->bc_rec.r.rm_offset = offset; + rcur->bc_rec.r.rm_flags = flags; + error = xfs_btree_insert(rcur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(rcur->bc_mp, i == 1, done); +done: + if (error) + trace_xfs_rmapbt_insert_error(rcur->bc_mp, + rcur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +STATIC int +xfs_rmapbt_delete( + struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, + xfs_extlen_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags) +{ + int i; + int error; + + trace_xfs_rmapbt_delete(rcur->bc_mp, rcur->bc_private.a.agno, agbno, + len, owner, offset, flags); + + error = xfs_rmap_lookup_eq(rcur, agbno, len, owner, offset, flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(rcur->bc_mp, i == 1, done); + + error = xfs_btree_delete(rcur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(rcur->bc_mp, i == 1, done); +done: + if (error) + trace_xfs_rmapbt_delete_error(rcur->bc_mp, + rcur->bc_private.a.agno, error, _RET_IP_); + return error; } static int diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 9d92da5..6674340 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -64,6 +64,9 @@ int xfs_rmap_lookup_le(struct xfs_btree_cur *cur, xfs_agblock_t bno, int xfs_rmap_lookup_eq(struct xfs_btree_cur *cur, xfs_agblock_t bno, xfs_extlen_t len, uint64_t owner, uint64_t offset, unsigned int flags, int *stat); +int xfs_rmapbt_insert(struct xfs_btree_cur *rcur, xfs_agblock_t agbno, + xfs_extlen_t len, uint64_t owner, uint64_t offset, + unsigned int flags); int xfs_rmap_get_rec(struct xfs_btree_cur *cur, struct xfs_rmap_irec *irec, int *stat); From darrick.wong@oracle.com Thu Jun 16 20:22:16 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 988977DA7 for ; Thu, 16 Jun 2016 20:22:16 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1128EAC002 for ; Thu, 16 Jun 2016 18:22:15 -0700 (PDT) X-ASG-Debug-ID: 1466126533-04cb6c542457420001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id tMFRv4xxAg23v0NO (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:14 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1MB2H007384 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:12 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1MBjd007191 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:11 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1MADb023656; Fri, 17 Jun 2016 01:22:10 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:10 -0700 Subject: [PATCH 040/119] xfs: create helpers for mapping, unmapping, and converting file fork extents From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 040/119] xfs: create helpers for mapping, unmapping, and converting file fork extents To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:22:08 -0700 Message-ID: <146612652855.12839.8509289990733155675.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126534 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1738 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create two helper functions to assist with mapping, unmapping, and converting flag status of extents in a file's data/attr forks. For non-shared files we can use the _alloc, _free, and _convert functions; when reflink comes these functions will be augmented to deal with shared extents. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_rmap.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index f92eaa1..76fc5c2 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -1123,11 +1123,53 @@ done: return error; } +/* + * Convert an unwritten extent to a real extent or vice versa. + */ +STATIC int +xfs_rmap_convert( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + return __xfs_rmap_convert(cur, bno, len, unwritten, oinfo); +} + #undef NEW #undef LEFT #undef RIGHT #undef PREV +/* + * Find an extent in the rmap btree and unmap it. + */ +STATIC int +xfs_rmap_unmap( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + return __xfs_rmap_free(cur, bno, len, unwritten, oinfo); +} + +/* + * Find an extent in the rmap btree and map it. + */ +STATIC int +xfs_rmap_map( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + return __xfs_rmap_alloc(cur, bno, len, unwritten, oinfo); +} + struct xfs_rmapbt_query_range_info { xfs_rmapbt_query_range_fn fn; void *priv; From darrick.wong@oracle.com Thu Jun 16 20:22:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 734E27CD1 for ; Thu, 16 Jun 2016 20:22:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id D92F2AC001 for ; Thu, 16 Jun 2016 18:22:24 -0700 (PDT) X-ASG-Debug-ID: 1466126540-04cbb01fec69630001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 6VKMymQijmMqtc6i (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1MHxe026631 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:22:18 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1MH3K011419 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:17 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1MGGr023678; Fri, 17 Jun 2016 01:22:16 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:16 -0700 Subject: [PATCH 041/119] xfs: create rmap update intent log items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 041/119] xfs: create rmap update intent log items To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:22:14 -0700 Message-ID: <146612653482.12839.13343504748508270421.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126540 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 24009 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create rmap update intent/done log items to record redo information in the log. Because we need to roll transactions between updating the bmbt mapping and updating the reverse mapping, we also have to track the status of the metadata updates that will be recorded in the post-roll transactions, just in case we crash before committing the final transaction. This mechanism enables log recovery to finish what was already started. Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_log_format.h | 67 ++++++ fs/xfs/libxfs/xfs_rmap_btree.h | 19 ++ fs/xfs/xfs_rmap_item.c | 459 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_rmap_item.h | 100 +++++++++ fs/xfs/xfs_super.c | 21 ++ 6 files changed, 665 insertions(+), 2 deletions(-) create mode 100644 fs/xfs/xfs_rmap_item.c create mode 100644 fs/xfs/xfs_rmap_item.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 2de8c20..8ae0a10 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -104,6 +104,7 @@ xfs-y += xfs_log.o \ xfs_extfree_item.o \ xfs_icreate_item.o \ xfs_inode_item.o \ + xfs_rmap_item.o \ xfs_log_recover.o \ xfs_trans_ail.o \ xfs_trans_buf.o \ diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index e5baba3..b9627b7 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -110,7 +110,9 @@ static inline uint xlog_get_cycle(char *ptr) #define XLOG_REG_TYPE_COMMIT 18 #define XLOG_REG_TYPE_TRANSHDR 19 #define XLOG_REG_TYPE_ICREATE 20 -#define XLOG_REG_TYPE_MAX 20 +#define XLOG_REG_TYPE_RUI_FORMAT 21 +#define XLOG_REG_TYPE_RUD_FORMAT 22 +#define XLOG_REG_TYPE_MAX 22 /* * Flags to log operation header @@ -227,6 +229,8 @@ typedef struct xfs_trans_header { #define XFS_LI_DQUOT 0x123d #define XFS_LI_QUOTAOFF 0x123e #define XFS_LI_ICREATE 0x123f +#define XFS_LI_RUI 0x1240 /* rmap update intent */ +#define XFS_LI_RUD 0x1241 #define XFS_LI_TYPE_DESC \ { XFS_LI_EFI, "XFS_LI_EFI" }, \ @@ -236,7 +240,9 @@ typedef struct xfs_trans_header { { XFS_LI_BUF, "XFS_LI_BUF" }, \ { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \ { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }, \ - { XFS_LI_ICREATE, "XFS_LI_ICREATE" } + { XFS_LI_ICREATE, "XFS_LI_ICREATE" }, \ + { XFS_LI_RUI, "XFS_LI_RUI" }, \ + { XFS_LI_RUD, "XFS_LI_RUD" } /* * Inode Log Item Format definitions. @@ -604,6 +610,63 @@ typedef struct xfs_efd_log_format_64 { } xfs_efd_log_format_64_t; /* + * RUI/RUD (reverse mapping) log format definitions + */ +struct xfs_map_extent { + __uint64_t me_owner; + __uint64_t me_startblock; + __uint64_t me_startoff; + __uint32_t me_len; + __uint32_t me_flags; +}; + +/* rmap me_flags: upper bits are flags, lower byte is type code */ +#define XFS_RMAP_EXTENT_MAP 1 +#define XFS_RMAP_EXTENT_MAP_SHARED 2 +#define XFS_RMAP_EXTENT_UNMAP 3 +#define XFS_RMAP_EXTENT_UNMAP_SHARED 4 +#define XFS_RMAP_EXTENT_CONVERT 5 +#define XFS_RMAP_EXTENT_CONVERT_SHARED 6 +#define XFS_RMAP_EXTENT_ALLOC 7 +#define XFS_RMAP_EXTENT_FREE 8 +#define XFS_RMAP_EXTENT_TYPE_MASK 0xFF + +#define XFS_RMAP_EXTENT_ATTR_FORK (1U << 31) +#define XFS_RMAP_EXTENT_BMBT_BLOCK (1U << 30) +#define XFS_RMAP_EXTENT_UNWRITTEN (1U << 29) + +#define XFS_RMAP_EXTENT_FLAGS (XFS_RMAP_EXTENT_TYPE_MASK | \ + XFS_RMAP_EXTENT_ATTR_FORK | \ + XFS_RMAP_EXTENT_BMBT_BLOCK | \ + XFS_RMAP_EXTENT_UNWRITTEN) + +/* + * This is the structure used to lay out an rui log item in the + * log. The rui_extents field is a variable size array whose + * size is given by rui_nextents. + */ +struct xfs_rui_log_format { + __uint16_t rui_type; /* rui log item type */ + __uint16_t rui_size; /* size of this item */ + __uint32_t rui_nextents; /* # extents to free */ + __uint64_t rui_id; /* rui identifier */ + struct xfs_map_extent rui_extents[1]; /* array of extents to rmap */ +}; + +/* + * This is the structure used to lay out an rud log item in the + * log. The rud_extents array is a variable size array whose + * size is given by rud_nextents; + */ +struct xfs_rud_log_format { + __uint16_t rud_type; /* rud log item type */ + __uint16_t rud_size; /* size of this item */ + __uint32_t rud_nextents; /* # of extents freed */ + __uint64_t rud_rui_id; /* id of corresponding rui */ + struct xfs_map_extent rud_extents[1]; /* array of extents rmapped */ +}; + +/* * Dquot Log format definitions. * * The first two fields must be the type and size fitting into diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 6674340..aff60dc 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -87,4 +87,23 @@ int xfs_rmapbt_query_range(struct xfs_btree_cur *cur, struct xfs_rmap_irec *low_rec, struct xfs_rmap_irec *high_rec, xfs_rmapbt_query_range_fn fn, void *priv); +enum xfs_rmap_intent_type { + XFS_RMAP_MAP, + XFS_RMAP_MAP_SHARED, + XFS_RMAP_UNMAP, + XFS_RMAP_UNMAP_SHARED, + XFS_RMAP_CONVERT, + XFS_RMAP_CONVERT_SHARED, + XFS_RMAP_ALLOC, + XFS_RMAP_FREE, +}; + +struct xfs_rmap_intent { + struct list_head ri_list; + enum xfs_rmap_intent_type ri_type; + __uint64_t ri_owner; + int ri_whichfork; + struct xfs_bmbt_irec ri_bmap; +}; + #endif /* __XFS_RMAP_BTREE_H__ */ diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c new file mode 100644 index 0000000..91a3b2c --- /dev/null +++ b/fs/xfs/xfs_rmap_item.c @@ -0,0 +1,459 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_trans.h" +#include "xfs_trans_priv.h" +#include "xfs_buf_item.h" +#include "xfs_rmap_item.h" +#include "xfs_log.h" + + +kmem_zone_t *xfs_rui_zone; +kmem_zone_t *xfs_rud_zone; + +static inline struct xfs_rui_log_item *RUI_ITEM(struct xfs_log_item *lip) +{ + return container_of(lip, struct xfs_rui_log_item, rui_item); +} + +void +xfs_rui_item_free( + struct xfs_rui_log_item *ruip) +{ + if (ruip->rui_format.rui_nextents > XFS_RUI_MAX_FAST_EXTENTS) + kmem_free(ruip); + else + kmem_zone_free(xfs_rui_zone, ruip); +} + +/* + * This returns the number of iovecs needed to log the given rui item. + * We only need 1 iovec for an rui item. It just logs the rui_log_format + * structure. + */ +static inline int +xfs_rui_item_sizeof( + struct xfs_rui_log_item *ruip) +{ + return sizeof(struct xfs_rui_log_format) + + (ruip->rui_format.rui_nextents - 1) * + sizeof(struct xfs_map_extent); +} + +STATIC void +xfs_rui_item_size( + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) +{ + *nvecs += 1; + *nbytes += xfs_rui_item_sizeof(RUI_ITEM(lip)); +} + +/* + * This is called to fill in the vector of log iovecs for the + * given rui log item. We use only 1 iovec, and we point that + * at the rui_log_format structure embedded in the rui item. + * It is at this point that we assert that all of the extent + * slots in the rui item have been filled. + */ +STATIC void +xfs_rui_item_format( + struct xfs_log_item *lip, + struct xfs_log_vec *lv) +{ + struct xfs_rui_log_item *ruip = RUI_ITEM(lip); + struct xfs_log_iovec *vecp = NULL; + + ASSERT(atomic_read(&ruip->rui_next_extent) == + ruip->rui_format.rui_nextents); + + ruip->rui_format.rui_type = XFS_LI_RUI; + ruip->rui_format.rui_size = 1; + + xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_RUI_FORMAT, &ruip->rui_format, + xfs_rui_item_sizeof(ruip)); +} + +/* + * Pinning has no meaning for an rui item, so just return. + */ +STATIC void +xfs_rui_item_pin( + struct xfs_log_item *lip) +{ +} + +/* + * The unpin operation is the last place an RUI is manipulated in the log. It is + * either inserted in the AIL or aborted in the event of a log I/O error. In + * either case, the RUI transaction has been successfully committed to make it + * this far. Therefore, we expect whoever committed the RUI to either construct + * and commit the RUD or drop the RUD's reference in the event of error. Simply + * drop the log's RUI reference now that the log is done with it. + */ +STATIC void +xfs_rui_item_unpin( + struct xfs_log_item *lip, + int remove) +{ + struct xfs_rui_log_item *ruip = RUI_ITEM(lip); + + xfs_rui_release(ruip); +} + +/* + * RUI items have no locking or pushing. However, since RUIs are pulled from + * the AIL when their corresponding RUDs are committed to disk, their situation + * is very similar to being pinned. Return XFS_ITEM_PINNED so that the caller + * will eventually flush the log. This should help in getting the RUI out of + * the AIL. + */ +STATIC uint +xfs_rui_item_push( + struct xfs_log_item *lip, + struct list_head *buffer_list) +{ + return XFS_ITEM_PINNED; +} + +/* + * The RUI has been either committed or aborted if the transaction has been + * cancelled. If the transaction was cancelled, an RUD isn't going to be + * constructed and thus we free the RUI here directly. + */ +STATIC void +xfs_rui_item_unlock( + struct xfs_log_item *lip) +{ + if (lip->li_flags & XFS_LI_ABORTED) + xfs_rui_item_free(RUI_ITEM(lip)); +} + +/* + * The RUI is logged only once and cannot be moved in the log, so simply return + * the lsn at which it's been logged. + */ +STATIC xfs_lsn_t +xfs_rui_item_committed( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ + return lsn; +} + +/* + * The RUI dependency tracking op doesn't do squat. It can't because + * it doesn't know where the free extent is coming from. The dependency + * tracking has to be handled by the "enclosing" metadata object. For + * example, for inodes, the inode is locked throughout the extent freeing + * so the dependency should be recorded there. + */ +STATIC void +xfs_rui_item_committing( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ +} + +/* + * This is the ops vector shared by all rui log items. + */ +static const struct xfs_item_ops xfs_rui_item_ops = { + .iop_size = xfs_rui_item_size, + .iop_format = xfs_rui_item_format, + .iop_pin = xfs_rui_item_pin, + .iop_unpin = xfs_rui_item_unpin, + .iop_unlock = xfs_rui_item_unlock, + .iop_committed = xfs_rui_item_committed, + .iop_push = xfs_rui_item_push, + .iop_committing = xfs_rui_item_committing, +}; + +/* + * Allocate and initialize an rui item with the given number of extents. + */ +struct xfs_rui_log_item * +xfs_rui_init( + struct xfs_mount *mp, + uint nextents) + +{ + struct xfs_rui_log_item *ruip; + uint size; + + ASSERT(nextents > 0); + if (nextents > XFS_RUI_MAX_FAST_EXTENTS) { + size = (uint)(sizeof(struct xfs_rui_log_item) + + ((nextents - 1) * sizeof(struct xfs_map_extent))); + ruip = kmem_zalloc(size, KM_SLEEP); + } else { + ruip = kmem_zone_zalloc(xfs_rui_zone, KM_SLEEP); + } + + xfs_log_item_init(mp, &ruip->rui_item, XFS_LI_RUI, &xfs_rui_item_ops); + ruip->rui_format.rui_nextents = nextents; + ruip->rui_format.rui_id = (uintptr_t)(void *)ruip; + atomic_set(&ruip->rui_next_extent, 0); + atomic_set(&ruip->rui_refcount, 2); + + return ruip; +} + +/* + * Copy an RUI format buffer from the given buf, and into the destination + * RUI format structure. The RUI/RUD items were designed not to need any + * special alignment handling. + */ +int +xfs_rui_copy_format( + struct xfs_log_iovec *buf, + struct xfs_rui_log_format *dst_rui_fmt) +{ + struct xfs_rui_log_format *src_rui_fmt; + uint len; + + src_rui_fmt = buf->i_addr; + len = sizeof(struct xfs_rui_log_format) + + (src_rui_fmt->rui_nextents - 1) * + sizeof(struct xfs_map_extent); + + if (buf->i_len == len) { + memcpy((char *)dst_rui_fmt, (char *)src_rui_fmt, len); + return 0; + } + return -EFSCORRUPTED; +} + +/* + * Freeing the RUI requires that we remove it from the AIL if it has already + * been placed there. However, the RUI may not yet have been placed in the AIL + * when called by xfs_rui_release() from RUD processing due to the ordering of + * committed vs unpin operations in bulk insert operations. Hence the reference + * count to ensure only the last caller frees the RUI. + */ +void +xfs_rui_release( + struct xfs_rui_log_item *ruip) +{ + if (atomic_dec_and_test(&ruip->rui_refcount)) { + xfs_trans_ail_remove(&ruip->rui_item, SHUTDOWN_LOG_IO_ERROR); + xfs_rui_item_free(ruip); + } +} + +static inline struct xfs_rud_log_item *RUD_ITEM(struct xfs_log_item *lip) +{ + return container_of(lip, struct xfs_rud_log_item, rud_item); +} + +STATIC void +xfs_rud_item_free(struct xfs_rud_log_item *rudp) +{ + if (rudp->rud_format.rud_nextents > XFS_RUD_MAX_FAST_EXTENTS) + kmem_free(rudp); + else + kmem_zone_free(xfs_rud_zone, rudp); +} + +/* + * This returns the number of iovecs needed to log the given rud item. + * We only need 1 iovec for an rud item. It just logs the rud_log_format + * structure. + */ +static inline int +xfs_rud_item_sizeof( + struct xfs_rud_log_item *rudp) +{ + return sizeof(struct xfs_rud_log_format) + + (rudp->rud_format.rud_nextents - 1) * + sizeof(struct xfs_map_extent); +} + +STATIC void +xfs_rud_item_size( + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) +{ + *nvecs += 1; + *nbytes += xfs_rud_item_sizeof(RUD_ITEM(lip)); +} + +/* + * This is called to fill in the vector of log iovecs for the + * given rud log item. We use only 1 iovec, and we point that + * at the rud_log_format structure embedded in the rud item. + * It is at this point that we assert that all of the extent + * slots in the rud item have been filled. + */ +STATIC void +xfs_rud_item_format( + struct xfs_log_item *lip, + struct xfs_log_vec *lv) +{ + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); + struct xfs_log_iovec *vecp = NULL; + + ASSERT(rudp->rud_next_extent == rudp->rud_format.rud_nextents); + + rudp->rud_format.rud_type = XFS_LI_RUD; + rudp->rud_format.rud_size = 1; + + xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_RUD_FORMAT, &rudp->rud_format, + xfs_rud_item_sizeof(rudp)); +} + +/* + * Pinning has no meaning for an rud item, so just return. + */ +STATIC void +xfs_rud_item_pin( + struct xfs_log_item *lip) +{ +} + +/* + * Since pinning has no meaning for an rud item, unpinning does + * not either. + */ +STATIC void +xfs_rud_item_unpin( + struct xfs_log_item *lip, + int remove) +{ +} + +/* + * There isn't much you can do to push on an rud item. It is simply stuck + * waiting for the log to be flushed to disk. + */ +STATIC uint +xfs_rud_item_push( + struct xfs_log_item *lip, + struct list_head *buffer_list) +{ + return XFS_ITEM_PINNED; +} + +/* + * The RUD is either committed or aborted if the transaction is cancelled. If + * the transaction is cancelled, drop our reference to the RUI and free the + * RUD. + */ +STATIC void +xfs_rud_item_unlock( + struct xfs_log_item *lip) +{ + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); + + if (lip->li_flags & XFS_LI_ABORTED) { + xfs_rui_release(rudp->rud_ruip); + xfs_rud_item_free(rudp); + } +} + +/* + * When the rud item is committed to disk, all we need to do is delete our + * reference to our partner rui item and then free ourselves. Since we're + * freeing ourselves we must return -1 to keep the transaction code from + * further referencing this item. + */ +STATIC xfs_lsn_t +xfs_rud_item_committed( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ + struct xfs_rud_log_item *rudp = RUD_ITEM(lip); + + /* + * Drop the RUI reference regardless of whether the RUD has been + * aborted. Once the RUD transaction is constructed, it is the sole + * responsibility of the RUD to release the RUI (even if the RUI is + * aborted due to log I/O error). + */ + xfs_rui_release(rudp->rud_ruip); + xfs_rud_item_free(rudp); + + return (xfs_lsn_t)-1; +} + +/* + * The RUD dependency tracking op doesn't do squat. It can't because + * it doesn't know where the free extent is coming from. The dependency + * tracking has to be handled by the "enclosing" metadata object. For + * example, for inodes, the inode is locked throughout the extent freeing + * so the dependency should be recorded there. + */ +STATIC void +xfs_rud_item_committing( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ +} + +/* + * This is the ops vector shared by all rud log items. + */ +static const struct xfs_item_ops xfs_rud_item_ops = { + .iop_size = xfs_rud_item_size, + .iop_format = xfs_rud_item_format, + .iop_pin = xfs_rud_item_pin, + .iop_unpin = xfs_rud_item_unpin, + .iop_unlock = xfs_rud_item_unlock, + .iop_committed = xfs_rud_item_committed, + .iop_push = xfs_rud_item_push, + .iop_committing = xfs_rud_item_committing, +}; + +/* + * Allocate and initialize an rud item with the given number of extents. + */ +struct xfs_rud_log_item * +xfs_rud_init( + struct xfs_mount *mp, + struct xfs_rui_log_item *ruip, + uint nextents) + +{ + struct xfs_rud_log_item *rudp; + uint size; + + ASSERT(nextents > 0); + if (nextents > XFS_RUD_MAX_FAST_EXTENTS) { + size = (uint)(sizeof(struct xfs_rud_log_item) + + ((nextents - 1) * sizeof(struct xfs_map_extent))); + rudp = kmem_zalloc(size, KM_SLEEP); + } else { + rudp = kmem_zone_zalloc(xfs_rud_zone, KM_SLEEP); + } + + xfs_log_item_init(mp, &rudp->rud_item, XFS_LI_RUD, &xfs_rud_item_ops); + rudp->rud_ruip = ruip; + rudp->rud_format.rud_nextents = nextents; + rudp->rud_format.rud_rui_id = ruip->rui_format.rui_id; + + return rudp; +} diff --git a/fs/xfs/xfs_rmap_item.h b/fs/xfs/xfs_rmap_item.h new file mode 100644 index 0000000..bd36ab5 --- /dev/null +++ b/fs/xfs/xfs_rmap_item.h @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_RMAP_ITEM_H__ +#define __XFS_RMAP_ITEM_H__ + +/* + * There are (currently) three pairs of rmap btree redo item types: map, unmap, + * and convert. The common abbreviations for these are RUI (rmap update + * intent) and RUD (rmap update done). The redo item type is encoded in the + * flags field of each xfs_map_extent. + * + * *I items should be recorded in the *first* of a series of rolled + * transactions, and the *D items should be recorded in the same transaction + * that records the associated rmapbt updates. Typically, the first + * transaction will record a bmbt update, followed by some number of + * transactions containing rmapbt updates, and finally transactions with any + * bnobt/cntbt updates. + * + * Should the system crash after the commit of the first transaction but + * before the commit of the final transaction in a series, log recovery will + * use the redo information recorded by the intent items to replay the + * (rmapbt/bnobt/cntbt) metadata updates in the non-first transaction. + */ + +/* kernel only RUI/RUD definitions */ + +struct xfs_mount; +struct kmem_zone; + +/* + * Max number of extents in fast allocation path. + */ +#define XFS_RUI_MAX_FAST_EXTENTS 16 + +/* + * Define RUI flag bits. Manipulated by set/clear/test_bit operators. + */ +#define XFS_RUI_RECOVERED 1 + +/* + * This is the "rmap update intent" log item. It is used to log the fact that + * some reverse mappings need to change. It is used in conjunction with the + * "rmap update done" log item described below. + * + * These log items follow the same rules as struct xfs_efi_log_item; see the + * comments about that structure (in xfs_extfree_item.h) for more details. + */ +struct xfs_rui_log_item { + struct xfs_log_item rui_item; + atomic_t rui_refcount; + atomic_t rui_next_extent; + unsigned long rui_flags; /* misc flags */ + struct xfs_rui_log_format rui_format; +}; + +/* + * This is the "rmap update done" log item. It is used to log the fact that + * some rmapbt updates mentioned in an earlier rui item have been performed. + */ +struct xfs_rud_log_item { + struct xfs_log_item rud_item; + struct xfs_rui_log_item *rud_ruip; + uint rud_next_extent; + struct xfs_rud_log_format rud_format; +}; + +/* + * Max number of extents in fast allocation path. + */ +#define XFS_RUD_MAX_FAST_EXTENTS 16 + +extern struct kmem_zone *xfs_rui_zone; +extern struct kmem_zone *xfs_rud_zone; + +struct xfs_rui_log_item *xfs_rui_init(struct xfs_mount *, uint); +struct xfs_rud_log_item *xfs_rud_init(struct xfs_mount *, + struct xfs_rui_log_item *, uint); +int xfs_rui_copy_format(struct xfs_log_iovec *buf, + struct xfs_rui_log_format *dst_rui_fmt); +void xfs_rui_item_free(struct xfs_rui_log_item *); +void xfs_rui_release(struct xfs_rui_log_item *); + +#endif /* __XFS_RMAP_ITEM_H__ */ diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 1575849..a8300e4 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -47,6 +47,7 @@ #include "xfs_sysfs.h" #include "xfs_ondisk.h" #include "xfs_defer.h" +#include "xfs_rmap_item.h" #include #include @@ -1762,8 +1763,26 @@ xfs_init_zones(void) if (!xfs_icreate_zone) goto out_destroy_ili_zone; + xfs_rud_zone = kmem_zone_init((sizeof(struct xfs_rud_log_item) + + ((XFS_RUD_MAX_FAST_EXTENTS - 1) * + sizeof(struct xfs_map_extent))), + "xfs_rud_item"); + if (!xfs_rud_zone) + goto out_destroy_icreate_zone; + + xfs_rui_zone = kmem_zone_init((sizeof(struct xfs_rui_log_item) + + ((XFS_RUI_MAX_FAST_EXTENTS - 1) * + sizeof(struct xfs_map_extent))), + "xfs_rui_item"); + if (!xfs_rui_zone) + goto out_destroy_rud_zone; + return 0; + out_destroy_rud_zone: + kmem_zone_destroy(xfs_rud_zone); + out_destroy_icreate_zone: + kmem_zone_destroy(xfs_icreate_zone); out_destroy_ili_zone: kmem_zone_destroy(xfs_ili_zone); out_destroy_inode_zone: @@ -1802,6 +1821,8 @@ xfs_destroy_zones(void) * destroy caches. */ rcu_barrier(); + kmem_zone_destroy(xfs_rui_zone); + kmem_zone_destroy(xfs_rud_zone); kmem_zone_destroy(xfs_icreate_zone); kmem_zone_destroy(xfs_ili_zone); kmem_zone_destroy(xfs_inode_zone); From darrick.wong@oracle.com Thu Jun 16 20:22:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FRT_LOLITA1, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 69BFF7DB3 for ; Thu, 16 Jun 2016 20:22:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3AA918F804B for ; Thu, 16 Jun 2016 18:22:32 -0700 (PDT) X-ASG-Debug-ID: 1466126548-04cbb01fed69650001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id VzYRQG76az85qaZR (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:28 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1MPRY007435 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:25 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1MNTf018149 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:24 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1MNlO027871; Fri, 17 Jun 2016 01:22:23 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:22 -0700 Subject: [PATCH 042/119] xfs: log rmap intent items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 042/119] xfs: log rmap intent items To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:22:21 -0700 Message-ID: <146612654128.12839.11872963796909332527.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126548 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 22034 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a mechanism for higher levels to create RUI/RUD items, submit them to the log, and a stub function to deal with recovered RUI items. These parts will be connected to the rmapbt in a later patch. Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/xfs_log_recover.c | 344 +++++++++++++++++++++++++++++++++++++++++++++- fs/xfs/xfs_trans.h | 17 ++ fs/xfs/xfs_trans_rmap.c | 235 +++++++++++++++++++++++++++++++ 4 files changed, 589 insertions(+), 8 deletions(-) create mode 100644 fs/xfs/xfs_trans_rmap.c diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 8ae0a10..1980110 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -110,6 +110,7 @@ xfs-y += xfs_log.o \ xfs_trans_buf.o \ xfs_trans_extfree.o \ xfs_trans_inode.o \ + xfs_trans_rmap.o \ # optional features xfs-$(CONFIG_XFS_QUOTA) += xfs_dquot.o \ diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index b33187b..c9fe0c4 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -44,6 +44,7 @@ #include "xfs_bmap_btree.h" #include "xfs_error.h" #include "xfs_dir2.h" +#include "xfs_rmap_item.h" #define BLK_AVG(blk1, blk2) ((blk1+blk2) >> 1) @@ -1912,6 +1913,8 @@ xlog_recover_reorder_trans( case XFS_LI_QUOTAOFF: case XFS_LI_EFD: case XFS_LI_EFI: + case XFS_LI_RUI: + case XFS_LI_RUD: trace_xfs_log_recover_item_reorder_tail(log, trans, item, pass); list_move_tail(&item->ri_list, &inode_list); @@ -3416,6 +3419,101 @@ xlog_recover_efd_pass2( } /* + * This routine is called to create an in-core extent rmap update + * item from the rui format structure which was logged on disk. + * It allocates an in-core rui, copies the extents from the format + * structure into it, and adds the rui to the AIL with the given + * LSN. + */ +STATIC int +xlog_recover_rui_pass2( + struct xlog *log, + struct xlog_recover_item *item, + xfs_lsn_t lsn) +{ + int error; + struct xfs_mount *mp = log->l_mp; + struct xfs_rui_log_item *ruip; + struct xfs_rui_log_format *rui_formatp; + + rui_formatp = item->ri_buf[0].i_addr; + + ruip = xfs_rui_init(mp, rui_formatp->rui_nextents); + error = xfs_rui_copy_format(&item->ri_buf[0], &ruip->rui_format); + if (error) { + xfs_rui_item_free(ruip); + return error; + } + atomic_set(&ruip->rui_next_extent, rui_formatp->rui_nextents); + + spin_lock(&log->l_ailp->xa_lock); + /* + * The RUI has two references. One for the RUD and one for RUI to ensure + * it makes it into the AIL. Insert the RUI into the AIL directly and + * drop the RUI reference. Note that xfs_trans_ail_update() drops the + * AIL lock. + */ + xfs_trans_ail_update(log->l_ailp, &ruip->rui_item, lsn); + xfs_rui_release(ruip); + return 0; +} + + +/* + * This routine is called when an RUD format structure is found in a committed + * transaction in the log. Its purpose is to cancel the corresponding RUI if it + * was still in the log. To do this it searches the AIL for the RUI with an id + * equal to that in the RUD format structure. If we find it we drop the RUD + * reference, which removes the RUI from the AIL and frees it. + */ +STATIC int +xlog_recover_rud_pass2( + struct xlog *log, + struct xlog_recover_item *item) +{ + struct xfs_rud_log_format *rud_formatp; + struct xfs_rui_log_item *ruip = NULL; + struct xfs_log_item *lip; + __uint64_t rui_id; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp = log->l_ailp; + + rud_formatp = item->ri_buf[0].i_addr; + ASSERT(item->ri_buf[0].i_len == (sizeof(struct xfs_rud_log_format) + + ((rud_formatp->rud_nextents - 1) * + sizeof(struct xfs_map_extent)))); + rui_id = rud_formatp->rud_rui_id; + + /* + * Search for the RUI with the id in the RUD format structure in the + * AIL. + */ + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + if (lip->li_type == XFS_LI_RUI) { + ruip = (struct xfs_rui_log_item *)lip; + if (ruip->rui_format.rui_id == rui_id) { + /* + * Drop the RUD reference to the RUI. This + * removes the RUI from the AIL and frees it. + */ + spin_unlock(&ailp->xa_lock); + xfs_rui_release(ruip); + spin_lock(&ailp->xa_lock); + break; + } + } + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } + + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + + return 0; +} + +/* * This routine is called when an inode create format structure is found in a * committed transaction in the log. It's purpose is to initialise the inodes * being allocated on disk. This requires us to get inode cluster buffers that @@ -3640,6 +3738,8 @@ xlog_recover_ra_pass2( case XFS_LI_EFI: case XFS_LI_EFD: case XFS_LI_QUOTAOFF: + case XFS_LI_RUI: + case XFS_LI_RUD: default: break; } @@ -3663,6 +3763,8 @@ xlog_recover_commit_pass1( case XFS_LI_EFD: case XFS_LI_DQUOT: case XFS_LI_ICREATE: + case XFS_LI_RUI: + case XFS_LI_RUD: /* nothing to do in pass 1 */ return 0; default: @@ -3693,6 +3795,10 @@ xlog_recover_commit_pass2( return xlog_recover_efi_pass2(log, item, trans->r_lsn); case XFS_LI_EFD: return xlog_recover_efd_pass2(log, item); + case XFS_LI_RUI: + return xlog_recover_rui_pass2(log, item, trans->r_lsn); + case XFS_LI_RUD: + return xlog_recover_rud_pass2(log, item); case XFS_LI_DQUOT: return xlog_recover_dquot_pass2(log, buffer_list, item, trans->r_lsn); @@ -4165,6 +4271,18 @@ xlog_recover_process_data( return 0; } +/* Is this log item a deferred action intent? */ +static inline bool xlog_item_is_intent(struct xfs_log_item *lip) +{ + switch (lip->li_type) { + case XFS_LI_EFI: + case XFS_LI_RUI: + return true; + default: + return false; + } +} + /* * Process an extent free intent item that was recovered from * the log. We need to free the extents that it describes. @@ -4265,17 +4383,23 @@ xlog_recover_process_efis( lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); while (lip != NULL) { /* - * We're done when we see something other than an EFI. - * There should be no EFIs left in the AIL now. + * We're done when we see something other than an intent. + * There should be no intents left in the AIL now. */ - if (lip->li_type != XFS_LI_EFI) { + if (!xlog_item_is_intent(lip)) { #ifdef DEBUG for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) - ASSERT(lip->li_type != XFS_LI_EFI); + ASSERT(!xlog_item_is_intent(lip)); #endif break; } + /* Skip anything that isn't an EFI */ + if (lip->li_type != XFS_LI_EFI) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + /* * Skip EFIs that we've already processed. */ @@ -4320,14 +4444,20 @@ xlog_recover_cancel_efis( * We're done when we see something other than an EFI. * There should be no EFIs left in the AIL now. */ - if (lip->li_type != XFS_LI_EFI) { + if (!xlog_item_is_intent(lip)) { #ifdef DEBUG for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) - ASSERT(lip->li_type != XFS_LI_EFI); + ASSERT(!xlog_item_is_intent(lip)); #endif break; } + /* Skip anything that isn't an EFI */ + if (lip->li_type != XFS_LI_EFI) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + efip = container_of(lip, struct xfs_efi_log_item, efi_item); spin_unlock(&ailp->xa_lock); @@ -4343,6 +4473,190 @@ xlog_recover_cancel_efis( } /* + * Process an rmap update intent item that was recovered from the log. + * We need to update the rmapbt. + */ +STATIC int +xlog_recover_process_rui( + struct xfs_mount *mp, + struct xfs_rui_log_item *ruip) +{ + int i; + int error = 0; + struct xfs_map_extent *rmap; + xfs_fsblock_t startblock_fsb; + bool op_ok; + + ASSERT(!test_bit(XFS_RUI_RECOVERED, &ruip->rui_flags)); + + /* + * First check the validity of the extents described by the + * RUI. If any are bad, then assume that all are bad and + * just toss the RUI. + */ + for (i = 0; i < ruip->rui_format.rui_nextents; i++) { + rmap = &(ruip->rui_format.rui_extents[i]); + startblock_fsb = XFS_BB_TO_FSB(mp, + XFS_FSB_TO_DADDR(mp, rmap->me_startblock)); + switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) { + case XFS_RMAP_EXTENT_MAP: + case XFS_RMAP_EXTENT_MAP_SHARED: + case XFS_RMAP_EXTENT_UNMAP: + case XFS_RMAP_EXTENT_UNMAP_SHARED: + case XFS_RMAP_EXTENT_CONVERT: + case XFS_RMAP_EXTENT_CONVERT_SHARED: + case XFS_RMAP_EXTENT_ALLOC: + case XFS_RMAP_EXTENT_FREE: + op_ok = true; + break; + default: + op_ok = false; + break; + } + if (!op_ok || (startblock_fsb == 0) || + (rmap->me_len == 0) || + (startblock_fsb >= mp->m_sb.sb_dblocks) || + (rmap->me_len >= mp->m_sb.sb_agblocks) || + (rmap->me_flags & ~XFS_RMAP_EXTENT_FLAGS)) { + /* + * This will pull the RUI from the AIL and + * free the memory associated with it. + */ + set_bit(XFS_RUI_RECOVERED, &ruip->rui_flags); + xfs_rui_release(ruip); + return -EIO; + } + } + + /* XXX: do nothing for now */ + set_bit(XFS_RUI_RECOVERED, &ruip->rui_flags); + xfs_rui_release(ruip); + return error; +} + +/* + * When this is called, all of the RUIs which did not have + * corresponding RUDs should be in the AIL. What we do now + * is update the rmaps associated with each one. + * + * Since we process the RUIs in normal transactions, they + * will be removed at some point after the commit. This prevents + * us from just walking down the list processing each one. + * We'll use a flag in the RUI to skip those that we've already + * processed and use the AIL iteration mechanism's generation + * count to try to speed this up at least a bit. + * + * When we start, we know that the RUIs are the only things in + * the AIL. As we process them, however, other items are added + * to the AIL. Since everything added to the AIL must come after + * everything already in the AIL, we stop processing as soon as + * we see something other than an RUI in the AIL. + */ +STATIC int +xlog_recover_process_ruis( + struct xlog *log) +{ + struct xfs_log_item *lip; + struct xfs_rui_log_item *ruip; + int error = 0; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp; + + ailp = log->l_ailp; + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + /* + * We're done when we see something other than an intent. + * There should be no intents left in the AIL now. + */ + if (!xlog_item_is_intent(lip)) { +#ifdef DEBUG + for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) + ASSERT(!xlog_item_is_intent(lip)); +#endif + break; + } + + /* Skip anything that isn't an RUI */ + if (lip->li_type != XFS_LI_RUI) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + /* + * Skip RUIs that we've already processed. + */ + ruip = container_of(lip, struct xfs_rui_log_item, rui_item); + if (test_bit(XFS_RUI_RECOVERED, &ruip->rui_flags)) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + spin_unlock(&ailp->xa_lock); + error = xlog_recover_process_rui(log->l_mp, ruip); + spin_lock(&ailp->xa_lock); + if (error) + goto out; + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } +out: + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + return error; +} + +/* + * A cancel occurs when the mount has failed and we're bailing out. Release all + * pending RUIs so they don't pin the AIL. + */ +STATIC int +xlog_recover_cancel_ruis( + struct xlog *log) +{ + struct xfs_log_item *lip; + struct xfs_rui_log_item *ruip; + int error = 0; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp; + + ailp = log->l_ailp; + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + /* + * We're done when we see something other than an RUI. + * There should be no RUIs left in the AIL now. + */ + if (!xlog_item_is_intent(lip)) { +#ifdef DEBUG + for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) + ASSERT(!xlog_item_is_intent(lip)); +#endif + break; + } + + /* Skip anything that isn't an RUI */ + if (lip->li_type != XFS_LI_RUI) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + ruip = container_of(lip, struct xfs_rui_log_item, rui_item); + + spin_unlock(&ailp->xa_lock); + xfs_rui_release(ruip); + spin_lock(&ailp->xa_lock); + + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } + + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + return error; +} + +/* * This routine performs a transaction to null out a bad inode pointer * in an agi unlinked inode hash bucket. */ @@ -5144,11 +5458,19 @@ xlog_recover_finish( */ if (log->l_flags & XLOG_RECOVERY_NEEDED) { int error; + + error = xlog_recover_process_ruis(log); + if (error) { + xfs_alert(log->l_mp, "Failed to recover RUIs"); + return error; + } + error = xlog_recover_process_efis(log); if (error) { xfs_alert(log->l_mp, "Failed to recover EFIs"); return error; } + /* * Sync the log to get all the EFIs out of the AIL. * This isn't absolutely necessary, but it helps in @@ -5176,9 +5498,15 @@ xlog_recover_cancel( struct xlog *log) { int error = 0; + int err2; - if (log->l_flags & XLOG_RECOVERY_NEEDED) - error = xlog_recover_cancel_efis(log); + if (log->l_flags & XLOG_RECOVERY_NEEDED) { + error = xlog_recover_cancel_ruis(log); + + err2 = xlog_recover_cancel_efis(log); + if (err2 && !error) + error = err2; + } return error; } diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index f8d363f..c48be63 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -235,4 +235,21 @@ void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp, extern kmem_zone_t *xfs_trans_zone; extern kmem_zone_t *xfs_log_item_desc_zone; +enum xfs_rmap_intent_type; + +struct xfs_rui_log_item *xfs_trans_get_rui(struct xfs_trans *tp, uint nextents); +void xfs_trans_log_start_rmap_update(struct xfs_trans *tp, + struct xfs_rui_log_item *ruip, enum xfs_rmap_intent_type type, + __uint64_t owner, int whichfork, xfs_fileoff_t startoff, + xfs_fsblock_t startblock, xfs_filblks_t blockcount, + xfs_exntst_t state); + +struct xfs_rud_log_item *xfs_trans_get_rud(struct xfs_trans *tp, + struct xfs_rui_log_item *ruip, uint nextents); +int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp, + struct xfs_rud_log_item *rudp, enum xfs_rmap_intent_type type, + __uint64_t owner, int whichfork, xfs_fileoff_t startoff, + xfs_fsblock_t startblock, xfs_filblks_t blockcount, + xfs_exntst_t state); + #endif /* __XFS_TRANS_H__ */ diff --git a/fs/xfs/xfs_trans_rmap.c b/fs/xfs/xfs_trans_rmap.c new file mode 100644 index 0000000..b55a725 --- /dev/null +++ b/fs/xfs/xfs_trans_rmap.c @@ -0,0 +1,235 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_trans.h" +#include "xfs_trans_priv.h" +#include "xfs_rmap_item.h" +#include "xfs_alloc.h" +#include "xfs_rmap_btree.h" + +/* + * This routine is called to allocate an "rmap update intent" + * log item that will hold nextents worth of extents. The + * caller must use all nextents extents, because we are not + * flexible about this at all. + */ +struct xfs_rui_log_item * +xfs_trans_get_rui( + struct xfs_trans *tp, + uint nextents) +{ + struct xfs_rui_log_item *ruip; + + ASSERT(tp != NULL); + ASSERT(nextents > 0); + + ruip = xfs_rui_init(tp->t_mountp, nextents); + ASSERT(ruip != NULL); + + /* + * Get a log_item_desc to point at the new item. + */ + xfs_trans_add_item(tp, &ruip->rui_item); + return ruip; +} + +/* + * This routine is called to indicate that the described + * extent is to be logged as needing to be freed. It should + * be called once for each extent to be freed. + */ +void +xfs_trans_log_start_rmap_update( + struct xfs_trans *tp, + struct xfs_rui_log_item *ruip, + enum xfs_rmap_intent_type type, + __uint64_t owner, + int whichfork, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state) +{ + uint next_extent; + struct xfs_map_extent *rmap; + + tp->t_flags |= XFS_TRANS_DIRTY; + ruip->rui_item.li_desc->lid_flags |= XFS_LID_DIRTY; + + /* + * atomic_inc_return gives us the value after the increment; + * we want to use it as an array index so we need to subtract 1 from + * it. + */ + next_extent = atomic_inc_return(&ruip->rui_next_extent) - 1; + ASSERT(next_extent < ruip->rui_format.rui_nextents); + rmap = &(ruip->rui_format.rui_extents[next_extent]); + rmap->me_owner = owner; + rmap->me_startblock = startblock; + rmap->me_startoff = startoff; + rmap->me_len = blockcount; + rmap->me_flags = 0; + if (state == XFS_EXT_UNWRITTEN) + rmap->me_flags |= XFS_RMAP_EXTENT_UNWRITTEN; + if (whichfork == XFS_ATTR_FORK) + rmap->me_flags |= XFS_RMAP_EXTENT_ATTR_FORK; + switch (type) { + case XFS_RMAP_MAP: + rmap->me_flags |= XFS_RMAP_EXTENT_MAP; + break; + case XFS_RMAP_MAP_SHARED: + rmap->me_flags |= XFS_RMAP_EXTENT_MAP_SHARED; + break; + case XFS_RMAP_UNMAP: + rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP; + break; + case XFS_RMAP_UNMAP_SHARED: + rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP_SHARED; + break; + case XFS_RMAP_CONVERT: + rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT; + break; + case XFS_RMAP_CONVERT_SHARED: + rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT_SHARED; + break; + case XFS_RMAP_ALLOC: + rmap->me_flags |= XFS_RMAP_EXTENT_ALLOC; + break; + case XFS_RMAP_FREE: + rmap->me_flags |= XFS_RMAP_EXTENT_FREE; + break; + default: + ASSERT(0); + } +} + + +/* + * This routine is called to allocate an "extent free done" + * log item that will hold nextents worth of extents. The + * caller must use all nextents extents, because we are not + * flexible about this at all. + */ +struct xfs_rud_log_item * +xfs_trans_get_rud( + struct xfs_trans *tp, + struct xfs_rui_log_item *ruip, + uint nextents) +{ + struct xfs_rud_log_item *rudp; + + ASSERT(tp != NULL); + ASSERT(nextents > 0); + + rudp = xfs_rud_init(tp->t_mountp, ruip, nextents); + ASSERT(rudp != NULL); + + /* + * Get a log_item_desc to point at the new item. + */ + xfs_trans_add_item(tp, &rudp->rud_item); + return rudp; +} + +/* + * Finish an rmap update and log it to the RUD. Note that the transaction is + * marked dirty regardless of whether the rmap update succeeds or fails to + * support the RUI/RUD lifecycle rules. + */ +int +xfs_trans_log_finish_rmap_update( + struct xfs_trans *tp, + struct xfs_rud_log_item *rudp, + enum xfs_rmap_intent_type type, + __uint64_t owner, + int whichfork, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state) +{ + uint next_extent; + struct xfs_map_extent *rmap; + int error; + + /* XXX: actually finish the rmap update here */ + error = -EFSCORRUPTED; + + /* + * Mark the transaction dirty, even on error. This ensures the + * transaction is aborted, which: + * + * 1.) releases the RUI and frees the RUD + * 2.) shuts down the filesystem + */ + tp->t_flags |= XFS_TRANS_DIRTY; + rudp->rud_item.li_desc->lid_flags |= XFS_LID_DIRTY; + + next_extent = rudp->rud_next_extent; + ASSERT(next_extent < rudp->rud_format.rud_nextents); + rmap = &(rudp->rud_format.rud_extents[next_extent]); + rmap->me_owner = owner; + rmap->me_startblock = startblock; + rmap->me_startoff = startoff; + rmap->me_len = blockcount; + rmap->me_flags = 0; + if (state == XFS_EXT_UNWRITTEN) + rmap->me_flags |= XFS_RMAP_EXTENT_UNWRITTEN; + if (whichfork == XFS_ATTR_FORK) + rmap->me_flags |= XFS_RMAP_EXTENT_ATTR_FORK; + switch (type) { + case XFS_RMAP_MAP: + rmap->me_flags |= XFS_RMAP_EXTENT_MAP; + break; + case XFS_RMAP_MAP_SHARED: + rmap->me_flags |= XFS_RMAP_EXTENT_MAP_SHARED; + break; + case XFS_RMAP_UNMAP: + rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP; + break; + case XFS_RMAP_UNMAP_SHARED: + rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP_SHARED; + break; + case XFS_RMAP_CONVERT: + rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT; + break; + case XFS_RMAP_CONVERT_SHARED: + rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT_SHARED; + break; + case XFS_RMAP_ALLOC: + rmap->me_flags |= XFS_RMAP_EXTENT_ALLOC; + break; + case XFS_RMAP_FREE: + rmap->me_flags |= XFS_RMAP_EXTENT_FREE; + break; + default: + ASSERT(0); + } + rudp->rud_next_extent++; + + return error; +} From darrick.wong@oracle.com Thu Jun 16 20:22:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D99077CA7 for ; Thu, 16 Jun 2016 20:22:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 60816AC002 for ; Thu, 16 Jun 2016 18:22:46 -0700 (PDT) X-ASG-Debug-ID: 1466126552-04bdf01e13959c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id UlTE9mbw5neh1sd2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:32 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1MUdd026714 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:30 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1MTse014077 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:29 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1MTZj027882; Fri, 17 Jun 2016 01:22:29 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:29 -0700 Subject: [PATCH 043/119] xfs: enable the xfs_defer mechanism to process rmaps to update From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 043/119] xfs: enable the xfs_defer mechanism to process rmaps to update To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:22:27 -0700 Message-ID: <146612654775.12839.16417290544621580173.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126552 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4630 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Connect the xfs_defer mechanism with the pieces that we'll need to handle deferred rmap updates. We'll wire up the existing code to our new deferred mechanism later. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_defer.h | 1 fs/xfs/xfs_defer_item.c | 124 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 125 insertions(+) diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h index 743fc32..920642e62 100644 --- a/fs/xfs/libxfs/xfs_defer.h +++ b/fs/xfs/libxfs/xfs_defer.h @@ -51,6 +51,7 @@ struct xfs_defer_pending { * find all the space it needs. */ enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_RMAP, XFS_DEFER_OPS_TYPE_FREE, XFS_DEFER_OPS_TYPE_MAX, }; diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c index 1c2d556..dbd10fc 100644 --- a/fs/xfs/xfs_defer_item.c +++ b/fs/xfs/xfs_defer_item.c @@ -31,6 +31,8 @@ #include "xfs_trace.h" #include "xfs_bmap.h" #include "xfs_extfree_item.h" +#include "xfs_rmap_btree.h" +#include "xfs_rmap_item.h" /* Extent Freeing */ @@ -136,11 +138,133 @@ const struct xfs_defer_op_type xfs_extent_free_defer_type = { .cancel_item = xfs_bmap_free_cancel_item, }; +/* Reverse Mapping */ + +/* Sort rmap intents by AG. */ +static int +xfs_rmap_update_diff_items( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_mount *mp = priv; + struct xfs_rmap_intent *ra; + struct xfs_rmap_intent *rb; + + ra = container_of(a, struct xfs_rmap_intent, ri_list); + rb = container_of(b, struct xfs_rmap_intent, ri_list); + return XFS_FSB_TO_AGNO(mp, ra->ri_bmap.br_startblock) - + XFS_FSB_TO_AGNO(mp, rb->ri_bmap.br_startblock); +} + +/* Get an RUI. */ +STATIC void * +xfs_rmap_update_create_intent( + struct xfs_trans *tp, + unsigned int count) +{ + return xfs_trans_get_rui(tp, count); +} + +/* Log rmap updates in the intent item. */ +STATIC void +xfs_rmap_update_log_item( + struct xfs_trans *tp, + void *intent, + struct list_head *item) +{ + struct xfs_rmap_intent *rmap; + + rmap = container_of(item, struct xfs_rmap_intent, ri_list); + xfs_trans_log_start_rmap_update(tp, intent, rmap->ri_type, + rmap->ri_owner, rmap->ri_whichfork, + rmap->ri_bmap.br_startoff, + rmap->ri_bmap.br_startblock, + rmap->ri_bmap.br_blockcount, + rmap->ri_bmap.br_state); +} + +/* Get an RUD so we can process all the deferred rmap updates. */ +STATIC void * +xfs_rmap_update_create_done( + struct xfs_trans *tp, + void *intent, + unsigned int count) +{ + return xfs_trans_get_rud(tp, intent, count); +} + +/* Process a deferred rmap update. */ +STATIC int +xfs_rmap_update_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + struct xfs_rmap_intent *rmap; + int error; + + rmap = container_of(item, struct xfs_rmap_intent, ri_list); + error = xfs_trans_log_finish_rmap_update(tp, done_item, + rmap->ri_type, + rmap->ri_owner, rmap->ri_whichfork, + rmap->ri_bmap.br_startoff, + rmap->ri_bmap.br_startblock, + rmap->ri_bmap.br_blockcount, + rmap->ri_bmap.br_state); + kmem_free(rmap); + return error; +} + +/* Clean up after processing deferred rmaps. */ +STATIC void +xfs_rmap_update_finish_cleanup( + struct xfs_trans *tp, + void *state, + int error) +{ +} + +/* Abort all pending RUIs. */ +STATIC void +xfs_rmap_update_abort_intent( + void *intent) +{ + xfs_rui_release(intent); +} + +/* Cancel a deferred rmap update. */ +STATIC void +xfs_rmap_update_cancel_item( + struct list_head *item) +{ + struct xfs_rmap_intent *rmap; + + rmap = container_of(item, struct xfs_rmap_intent, ri_list); + kmem_free(rmap); +} + +const struct xfs_defer_op_type xfs_rmap_update_defer_type = { + .type = XFS_DEFER_OPS_TYPE_RMAP, + .max_items = XFS_RUI_MAX_FAST_EXTENTS, + .diff_items = xfs_rmap_update_diff_items, + .create_intent = xfs_rmap_update_create_intent, + .abort_intent = xfs_rmap_update_abort_intent, + .log_item = xfs_rmap_update_log_item, + .create_done = xfs_rmap_update_create_done, + .finish_item = xfs_rmap_update_finish_item, + .finish_cleanup = xfs_rmap_update_finish_cleanup, + .cancel_item = xfs_rmap_update_cancel_item, +}; + /* Deferred Item Initialization */ /* Initialize the deferred operation types. */ void xfs_defer_init_types(void) { + xfs_defer_init_op_type(&xfs_rmap_update_defer_type); xfs_defer_init_op_type(&xfs_extent_free_defer_type); } From darrick.wong@oracle.com Thu Jun 16 20:22:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C015A7CA7 for ; Thu, 16 Jun 2016 20:22:47 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 717798F804B for ; Thu, 16 Jun 2016 18:22:47 -0700 (PDT) X-ASG-Debug-ID: 1466126561-04bdf01e15959e0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id FiACyEnScjJx907E (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:41 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1MbAZ007498 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:38 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Mbe5007674 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:37 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1MaTI023775; Fri, 17 Jun 2016 01:22:36 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:35 -0700 Subject: [PATCH 044/119] xfs: propagate bmap updates to rmapbt From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 044/119] xfs: propagate bmap updates to rmapbt To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:22:34 -0700 Message-ID: <146612655409.12839.4069768871045909071.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126561 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 19188 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we map, unmap, or convert an extent in a file's data or attr fork, schedule a respective update in the rmapbt. Previous versions of this patch required a 1:1 correspondence between bmap and rmap, but this is no longer true. v2: Remove the 1:1 correspondence requirement now that we have the ability to make interval queries against the rmapbt. Update the commit message to reflect the broad restructuring of this patch. Fix the bmap shift code to adjust the rmaps correctly. v3: Use the deferred operations code to handle redo operations atomically and deadlock free. Plumb in all five rmap actions (map, unmap, convert extent, alloc, free); we'll use the first three now for file data, and reflink will want the last two. Add an error injection site to test log recovery. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 56 ++++++++- fs/xfs/libxfs/xfs_rmap.c | 252 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.h | 24 ++++ fs/xfs/xfs_bmap_util.c | 1 fs/xfs/xfs_defer_item.c | 6 + fs/xfs/xfs_error.h | 4 - fs/xfs/xfs_log_recover.c | 56 +++++++++ fs/xfs/xfs_trans.h | 3 fs/xfs/xfs_trans_rmap.c | 7 + 9 files changed, 393 insertions(+), 16 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 61c0231..507fd74 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -46,6 +46,7 @@ #include "xfs_symlink.h" #include "xfs_attr_leaf.h" #include "xfs_filestream.h" +#include "xfs_rmap_btree.h" kmem_zone_t *xfs_bmap_free_item_zone; @@ -2178,6 +2179,11 @@ xfs_bmap_add_extent_delay_real( ASSERT(0); } + /* add reverse mapping */ + error = xfs_rmap_map_extent(mp, bma->dfops, bma->ip, whichfork, new); + if (error) + goto done; + /* convert to a btree if necessary */ if (xfs_bmap_needs_btree(bma->ip, whichfork)) { int tmp_logflags; /* partial log flag return val */ @@ -2714,6 +2720,11 @@ xfs_bmap_add_extent_unwritten_real( ASSERT(0); } + /* update reverse mappings */ + error = xfs_rmap_convert_extent(mp, dfops, ip, XFS_DATA_FORK, new); + if (error) + goto done; + /* convert to a btree if necessary */ if (xfs_bmap_needs_btree(ip, XFS_DATA_FORK)) { int tmp_logflags; /* partial log flag return val */ @@ -3106,6 +3117,11 @@ xfs_bmap_add_extent_hole_real( break; } + /* add reverse mapping */ + error = xfs_rmap_map_extent(mp, bma->dfops, bma->ip, whichfork, new); + if (error) + goto done; + /* convert to a btree if necessary */ if (xfs_bmap_needs_btree(bma->ip, whichfork)) { int tmp_logflags; /* partial log flag return val */ @@ -5032,6 +5048,14 @@ xfs_bmap_del_extent( ++*idx; break; } + + /* remove reverse mapping */ + if (!delay) { + error = xfs_rmap_unmap_extent(mp, dfops, ip, whichfork, del); + if (error) + goto done; + } + /* * If we need to, add to list of extents to delete. */ @@ -5569,7 +5593,8 @@ xfs_bmse_shift_one( struct xfs_bmbt_rec_host *gotp, struct xfs_btree_cur *cur, int *logflags, - enum shift_direction direction) + enum shift_direction direction, + struct xfs_defer_ops *dfops) { struct xfs_ifork *ifp; struct xfs_mount *mp; @@ -5617,9 +5642,13 @@ xfs_bmse_shift_one( /* check whether to merge the extent or shift it down */ if (xfs_bmse_can_merge(&adj_irec, &got, offset_shift_fsb)) { - return xfs_bmse_merge(ip, whichfork, offset_shift_fsb, - *current_ext, gotp, adj_irecp, - cur, logflags); + error = xfs_bmse_merge(ip, whichfork, offset_shift_fsb, + *current_ext, gotp, adj_irecp, + cur, logflags); + if (error) + return error; + adj_irec = got; + goto update_rmap; } } else { startoff = got.br_startoff + offset_shift_fsb; @@ -5656,9 +5685,10 @@ update_current_ext: (*current_ext)--; xfs_bmbt_set_startoff(gotp, startoff); *logflags |= XFS_ILOG_CORE; + adj_irec = got; if (!cur) { *logflags |= XFS_ILOG_DEXT; - return 0; + goto update_rmap; } error = xfs_bmbt_lookup_eq(cur, got.br_startoff, got.br_startblock, @@ -5668,8 +5698,18 @@ update_current_ext: XFS_WANT_CORRUPTED_RETURN(mp, i == 1); got.br_startoff = startoff; - return xfs_bmbt_update(cur, got.br_startoff, got.br_startblock, - got.br_blockcount, got.br_state); + error = xfs_bmbt_update(cur, got.br_startoff, got.br_startblock, + got.br_blockcount, got.br_state); + if (error) + return error; + +update_rmap: + /* update reverse mapping */ + error = xfs_rmap_unmap_extent(mp, dfops, ip, whichfork, &adj_irec); + if (error) + return error; + adj_irec.br_startoff = startoff; + return xfs_rmap_map_extent(mp, dfops, ip, whichfork, &adj_irec); } /* @@ -5797,7 +5837,7 @@ xfs_bmap_shift_extents( while (nexts++ < num_exts) { error = xfs_bmse_shift_one(ip, whichfork, offset_shift_fsb, ¤t_ext, gotp, cur, &logflags, - direction); + direction, dfops); if (error) goto del_cursor; /* diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index 76fc5c2..f179ea4 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -36,6 +36,8 @@ #include "xfs_trace.h" #include "xfs_error.h" #include "xfs_extent_busy.h" +#include "xfs_bmap.h" +#include "xfs_inode.h" /* * Lookup the first record less than or equal to [bno, len, owner, offset] @@ -1212,3 +1214,253 @@ xfs_rmapbt_query_range( return xfs_btree_query_range(cur, &low_brec, &high_brec, xfs_rmapbt_query_range_helper, &query); } + +/* Clean up after calling xfs_rmap_finish_one. */ +void +xfs_rmap_finish_one_cleanup( + struct xfs_trans *tp, + struct xfs_btree_cur *rcur, + int error) +{ + struct xfs_buf *agbp; + + if (rcur == NULL) + return; + agbp = rcur->bc_private.a.agbp; + xfs_btree_del_cursor(rcur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(tp, agbp); +} + +/* + * Process one of the deferred rmap operations. We pass back the + * btree cursor to maintain our lock on the rmapbt between calls. + * This saves time and eliminates a buffer deadlock between the + * superblock and the AGF because we'll always grab them in the same + * order. + */ +int +xfs_rmap_finish_one( + struct xfs_trans *tp, + enum xfs_rmap_intent_type type, + __uint64_t owner, + int whichfork, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state, + struct xfs_btree_cur **pcur) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_btree_cur *rcur; + struct xfs_buf *agbp = NULL; + int error = 0; + xfs_agnumber_t agno; + struct xfs_owner_info oinfo; + xfs_agblock_t bno; + bool unwritten; + + agno = XFS_FSB_TO_AGNO(mp, startblock); + ASSERT(agno != NULLAGNUMBER); + bno = XFS_FSB_TO_AGBNO(mp, startblock); + + trace_xfs_rmap_deferred(mp, agno, type, bno, owner, whichfork, + startoff, blockcount, state); + + if (XFS_TEST_ERROR(false, mp, + XFS_ERRTAG_RMAP_FINISH_ONE, + XFS_RANDOM_RMAP_FINISH_ONE)) + return -EIO; + + /* + * If we haven't gotten a cursor or the cursor AG doesn't match + * the startblock, get one now. + */ + rcur = *pcur; + if (rcur != NULL && rcur->bc_private.a.agno != agno) { + xfs_rmap_finish_one_cleanup(tp, rcur, 0); + rcur = NULL; + *pcur = NULL; + } + if (rcur == NULL) { + error = xfs_free_extent_fix_freelist(tp, agno, &agbp); + if (error) + return error; + if (!agbp) + return -EFSCORRUPTED; + + rcur = xfs_rmapbt_init_cursor(mp, tp, agbp, agno); + if (!rcur) { + error = -ENOMEM; + goto out_cur; + } + } + *pcur = rcur; + + xfs_rmap_ino_owner(&oinfo, owner, whichfork, startoff); + unwritten = state == XFS_EXT_UNWRITTEN; + bno = XFS_FSB_TO_AGBNO(rcur->bc_mp, startblock); + + switch (type) { + case XFS_RMAP_MAP: + error = xfs_rmap_map(rcur, bno, blockcount, unwritten, &oinfo); + break; + case XFS_RMAP_UNMAP: + error = xfs_rmap_unmap(rcur, bno, blockcount, unwritten, + &oinfo); + break; + case XFS_RMAP_CONVERT: + error = xfs_rmap_convert(rcur, bno, blockcount, !unwritten, + &oinfo); + break; + case XFS_RMAP_ALLOC: + error = __xfs_rmap_alloc(rcur, bno, blockcount, unwritten, + &oinfo); + break; + case XFS_RMAP_FREE: + error = __xfs_rmap_free(rcur, bno, blockcount, unwritten, + &oinfo); + break; + default: + ASSERT(0); + error = -EFSCORRUPTED; + } + return error; + +out_cur: + xfs_trans_brelse(tp, agbp); + + return error; +} + +/* + * Record a rmap intent; the list is kept sorted first by AG and then by + * increasing age. + */ +static int +__xfs_rmap_add( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_rmap_intent *ri) +{ + struct xfs_rmap_intent *new; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + + trace_xfs_rmap_defer(mp, XFS_FSB_TO_AGNO(mp, ri->ri_bmap.br_startblock), + ri->ri_type, + XFS_FSB_TO_AGBNO(mp, ri->ri_bmap.br_startblock), + ri->ri_owner, ri->ri_whichfork, + ri->ri_bmap.br_startoff, + ri->ri_bmap.br_blockcount, + ri->ri_bmap.br_state); + + new = kmem_zalloc(sizeof(struct xfs_rmap_intent), KM_SLEEP | KM_NOFS); + *new = *ri; + + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_RMAP, &new->ri_list); + return 0; +} + +/* Map an extent into a file. */ +int +xfs_rmap_map_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_MAP; + ri.ri_owner = ip->i_ino; + ri.ri_whichfork = whichfork; + ri.ri_bmap = *PREV; + + return __xfs_rmap_add(mp, dfops, &ri); +} + +/* Unmap an extent out of a file. */ +int +xfs_rmap_unmap_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_UNMAP; + ri.ri_owner = ip->i_ino; + ri.ri_whichfork = whichfork; + ri.ri_bmap = *PREV; + + return __xfs_rmap_add(mp, dfops, &ri); +} + +/* Convert a data fork extent from unwritten to real or vice versa. */ +int +xfs_rmap_convert_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_CONVERT; + ri.ri_owner = ip->i_ino; + ri.ri_whichfork = whichfork; + ri.ri_bmap = *PREV; + + return __xfs_rmap_add(mp, dfops, &ri); +} + +/* Schedule the creation of an rmap for non-file data. */ +int +xfs_rmap_alloc_defer( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + xfs_agnumber_t agno, + xfs_agblock_t bno, + xfs_extlen_t len, + __uint64_t owner) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_ALLOC; + ri.ri_owner = owner; + ri.ri_whichfork = XFS_DATA_FORK; + ri.ri_bmap.br_startblock = XFS_AGB_TO_FSB(mp, agno, bno); + ri.ri_bmap.br_blockcount = len; + ri.ri_bmap.br_startoff = 0; + ri.ri_bmap.br_state = XFS_EXT_NORM; + + return __xfs_rmap_add(mp, dfops, &ri); +} + +/* Schedule the deletion of an rmap for non-file data. */ +int +xfs_rmap_free_defer( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + xfs_agnumber_t agno, + xfs_agblock_t bno, + xfs_extlen_t len, + __uint64_t owner) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_FREE; + ri.ri_owner = owner; + ri.ri_whichfork = XFS_DATA_FORK; + ri.ri_bmap.br_startblock = XFS_AGB_TO_FSB(mp, agno, bno); + ri.ri_bmap.br_blockcount = len; + ri.ri_bmap.br_startoff = 0; + ri.ri_bmap.br_state = XFS_EXT_NORM; + + return __xfs_rmap_add(mp, dfops, &ri); +} diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index aff60dc..5df406e 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -106,4 +106,28 @@ struct xfs_rmap_intent { struct xfs_bmbt_irec ri_bmap; }; +/* functions for updating the rmapbt based on bmbt map/unmap operations */ +int xfs_rmap_map_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); +int xfs_rmap_unmap_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); +int xfs_rmap_convert_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); +int xfs_rmap_alloc_defer(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, + __uint64_t owner); +int xfs_rmap_free_defer(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, + __uint64_t owner); + +void xfs_rmap_finish_one_cleanup(struct xfs_trans *tp, + struct xfs_btree_cur *rcur, int error); +int xfs_rmap_finish_one(struct xfs_trans *tp, enum xfs_rmap_intent_type type, + __uint64_t owner, int whichfork, xfs_fileoff_t startoff, + xfs_fsblock_t startblock, xfs_filblks_t blockcount, + xfs_exntst_t state, struct xfs_btree_cur **pcur); + #endif /* __XFS_RMAP_BTREE_H__ */ diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 62d194e..450fd49 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -41,6 +41,7 @@ #include "xfs_trace.h" #include "xfs_icache.h" #include "xfs_log.h" +#include "xfs_rmap_btree.h" /* Kernel only BMAP related definitions and functions */ diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c index dbd10fc..9ed060d 100644 --- a/fs/xfs/xfs_defer_item.c +++ b/fs/xfs/xfs_defer_item.c @@ -213,7 +213,8 @@ xfs_rmap_update_finish_item( rmap->ri_bmap.br_startoff, rmap->ri_bmap.br_startblock, rmap->ri_bmap.br_blockcount, - rmap->ri_bmap.br_state); + rmap->ri_bmap.br_state, + (struct xfs_btree_cur **)state); kmem_free(rmap); return error; } @@ -225,6 +226,9 @@ xfs_rmap_update_finish_cleanup( void *state, int error) { + struct xfs_btree_cur *rcur = state; + + xfs_rmap_finish_one_cleanup(tp, rcur, error); } /* Abort all pending RUIs. */ diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index ee4680e..6bc614c 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -91,7 +91,8 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_ERRTAG_DIOWRITE_IOERR 20 #define XFS_ERRTAG_BMAPIFORMAT 21 #define XFS_ERRTAG_FREE_EXTENT 22 -#define XFS_ERRTAG_MAX 23 +#define XFS_ERRTAG_RMAP_FINISH_ONE 23 +#define XFS_ERRTAG_MAX 24 /* * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. @@ -119,6 +120,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10) #define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT #define XFS_RANDOM_FREE_EXTENT 1 +#define XFS_RANDOM_RMAP_FINISH_ONE 1 #ifdef DEBUG extern int xfs_error_test_active; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index c9fe0c4..f7f9635 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -45,6 +45,7 @@ #include "xfs_error.h" #include "xfs_dir2.h" #include "xfs_rmap_item.h" +#include "xfs_rmap_btree.h" #define BLK_AVG(blk1, blk2) ((blk1+blk2) >> 1) @@ -4486,6 +4487,12 @@ xlog_recover_process_rui( struct xfs_map_extent *rmap; xfs_fsblock_t startblock_fsb; bool op_ok; + struct xfs_rud_log_item *rudp; + enum xfs_rmap_intent_type type; + int whichfork; + xfs_exntst_t state; + struct xfs_trans *tp; + struct xfs_btree_cur *rcur = NULL; ASSERT(!test_bit(XFS_RUI_RECOVERED, &ruip->rui_flags)); @@ -4528,9 +4535,54 @@ xlog_recover_process_rui( } } - /* XXX: do nothing for now */ + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp); + if (error) + return error; + rudp = xfs_trans_get_rud(tp, ruip, ruip->rui_format.rui_nextents); + + for (i = 0; i < ruip->rui_format.rui_nextents; i++) { + rmap = &(ruip->rui_format.rui_extents[i]); + state = (rmap->me_flags & XFS_RMAP_EXTENT_UNWRITTEN) ? + XFS_EXT_UNWRITTEN : XFS_EXT_NORM; + whichfork = (rmap->me_flags & XFS_RMAP_EXTENT_ATTR_FORK) ? + XFS_ATTR_FORK : XFS_DATA_FORK; + switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) { + case XFS_RMAP_EXTENT_MAP: + type = XFS_RMAP_MAP; + break; + case XFS_RMAP_EXTENT_UNMAP: + type = XFS_RMAP_UNMAP; + break; + case XFS_RMAP_EXTENT_CONVERT: + type = XFS_RMAP_CONVERT; + break; + case XFS_RMAP_EXTENT_ALLOC: + type = XFS_RMAP_ALLOC; + break; + case XFS_RMAP_EXTENT_FREE: + type = XFS_RMAP_FREE; + break; + default: + error = -EFSCORRUPTED; + goto abort_error; + } + error = xfs_trans_log_finish_rmap_update(tp, rudp, type, + rmap->me_owner, whichfork, + rmap->me_startoff, rmap->me_startblock, + rmap->me_len, state, &rcur); + if (error) + goto abort_error; + + } + + xfs_rmap_finish_one_cleanup(tp, rcur, error); set_bit(XFS_RUI_RECOVERED, &ruip->rui_flags); - xfs_rui_release(ruip); + error = xfs_trans_commit(tp); + return error; + +abort_error: + xfs_rmap_finish_one_cleanup(tp, rcur, error); + xfs_trans_cancel(tp); return error; } diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index c48be63..f59d934 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -244,12 +244,13 @@ void xfs_trans_log_start_rmap_update(struct xfs_trans *tp, xfs_fsblock_t startblock, xfs_filblks_t blockcount, xfs_exntst_t state); +struct xfs_btree_cur; struct xfs_rud_log_item *xfs_trans_get_rud(struct xfs_trans *tp, struct xfs_rui_log_item *ruip, uint nextents); int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp, struct xfs_rud_log_item *rudp, enum xfs_rmap_intent_type type, __uint64_t owner, int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock, xfs_filblks_t blockcount, - xfs_exntst_t state); + xfs_exntst_t state, struct xfs_btree_cur **pcur); #endif /* __XFS_TRANS_H__ */ diff --git a/fs/xfs/xfs_trans_rmap.c b/fs/xfs/xfs_trans_rmap.c index b55a725..0c0df18 100644 --- a/fs/xfs/xfs_trans_rmap.c +++ b/fs/xfs/xfs_trans_rmap.c @@ -170,14 +170,15 @@ xfs_trans_log_finish_rmap_update( xfs_fileoff_t startoff, xfs_fsblock_t startblock, xfs_filblks_t blockcount, - xfs_exntst_t state) + xfs_exntst_t state, + struct xfs_btree_cur **pcur) { uint next_extent; struct xfs_map_extent *rmap; int error; - /* XXX: actually finish the rmap update here */ - error = -EFSCORRUPTED; + error = xfs_rmap_finish_one(tp, type, owner, whichfork, startoff, + startblock, blockcount, state, pcur); /* * Mark the transaction dirty, even on error. This ensures the From darrick.wong@oracle.com Thu Jun 16 20:22:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BAF127CCC for ; Thu, 16 Jun 2016 20:22:48 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3342FAC001 for ; Thu, 16 Jun 2016 18:22:48 -0700 (PDT) X-ASG-Debug-ID: 1466126566-04cb6c542657490001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id GbRSBvpgw6mw9uj1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:46 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Mi1b026858 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:44 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Minh018536 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:44 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1MgxE019542; Fri, 17 Jun 2016 01:22:43 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:42 -0700 Subject: [PATCH 045/119] xfs: add rmap btree geometry feature flag From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 045/119] xfs: add rmap btree geometry feature flag To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:22:40 -0700 Message-ID: <146612656051.12839.8811990871879453367.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126566 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1494 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner So xfs_info and other userspace utilities know the filesystem is using this feature. Signed-off-by: Dave Chinner --- fs/xfs/libxfs/xfs_fs.h | 1 + fs/xfs/xfs_fsops.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index f5ec9c5..7945505 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -206,6 +206,7 @@ typedef struct xfs_fsop_resblks { #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ +#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* Reverse mapping btree */ /* * Minimum and maximum sizes need for growth checks. diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 3772f6c..5980d5c 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -105,7 +105,9 @@ xfs_fs_geometry( (xfs_sb_version_hasfinobt(&mp->m_sb) ? XFS_FSOP_GEOM_FLAGS_FINOBT : 0) | (xfs_sb_version_hassparseinodes(&mp->m_sb) ? - XFS_FSOP_GEOM_FLAGS_SPINODES : 0); + XFS_FSOP_GEOM_FLAGS_SPINODES : 0) | + (xfs_sb_version_hasrmapbt(&mp->m_sb) ? + XFS_FSOP_GEOM_FLAGS_RMAPBT : 0); geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ? mp->m_sb.sb_logsectsize : BBSIZE; geo->rtsectsize = mp->m_sb.sb_blocksize; From darrick.wong@oracle.com Thu Jun 16 20:22:54 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5115C7DCA for ; Thu, 16 Jun 2016 20:22:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id C98A1AC003 for ; Thu, 16 Jun 2016 18:22:53 -0700 (PDT) X-ASG-Debug-ID: 1466126571-04cb6c5425574a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id zZm4YqGar2iDgHcL (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:22:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1MnTv007584 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:50 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1MnSE007798 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:49 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1MmSO027957; Fri, 17 Jun 2016 01:22:48 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:48 -0700 Subject: [PATCH 046/119] xfs: add rmap btree block detection to log recovery From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 046/119] xfs: add rmap btree block detection to log recovery To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:22:46 -0700 Message-ID: <146612656689.12839.658842468753557889.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126572 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1017 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner So such blocks can be correctly identified and have their operations structutes attached to validate recovery has not resulted in a correct block. Signed-off-by: Dave Chinner --- fs/xfs/xfs_log_recover.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index f7f9635..dbfbc26 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2233,6 +2233,7 @@ xlog_recover_get_buf_lsn( case XFS_ABTC_CRC_MAGIC: case XFS_ABTB_MAGIC: case XFS_ABTC_MAGIC: + case XFS_RMAP_CRC_MAGIC: case XFS_IBT_CRC_MAGIC: case XFS_IBT_MAGIC: { struct xfs_btree_block *btb = blk; @@ -2401,6 +2402,9 @@ xlog_recover_validate_buf_type( case XFS_BMAP_MAGIC: bp->b_ops = &xfs_bmbt_buf_ops; break; + case XFS_RMAP_CRC_MAGIC: + bp->b_ops = &xfs_rmapbt_buf_ops; + break; default: xfs_warn(mp, "Bad btree block magic!"); ASSERT(0); From darrick.wong@oracle.com Thu Jun 16 20:23:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CD4257CBC for ; Thu, 16 Jun 2016 20:23:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 908E98F804C for ; Thu, 16 Jun 2016 18:23:01 -0700 (PDT) X-ASG-Debug-ID: 1466126579-04cbb01fef69690001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 4cBxCHTlJEssPdCV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:00 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1MwOi007630 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:58 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Mvxa014722 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:22:57 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Mt9p007435; Fri, 17 Jun 2016 01:22:56 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:22:54 -0700 Subject: [PATCH 047/119] xfs: disable XFS_IOC_SWAPEXT when rmap btree is enabled From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 047/119] xfs: disable XFS_IOC_SWAPEXT when rmap btree is enabled To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:22:53 -0700 Message-ID: <146612657322.12839.9067889093004523073.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126580 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1049 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Swapping extents between two inodes requires the owner to be updated in the rmap tree for all the extents that are swapped. This code does not yet exist, so switch off the XFS_IOC_SWAPEXT ioctl until support has been implemented. This will need to be done before the rmap btree code can have the experimental tag removed. Signed-off-by: Dave Chinner [darrick.wong@oracle.com: fix extent swapping when rmap enabled] Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_bmap_util.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 450fd49..8666873 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1618,6 +1618,10 @@ xfs_swap_extents( __uint64_t tmp; int lock_flags; + /* XXX: we can't do this with rmap, will fix later */ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + return -EOPNOTSUPP; + tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL); if (!tempifp) { error = -ENOMEM; From darrick.wong@oracle.com Thu Jun 16 20:23:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0CD847DC1 for ; Thu, 16 Jun 2016 20:23:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B2BD9304048 for ; Thu, 16 Jun 2016 18:23:07 -0700 (PDT) X-ASG-Debug-ID: 1466126585-04bdf01e1395a20001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Y8h0ec43uQADicFc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:05 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1N2Ah007948 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:03 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1N2vg014850 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:02 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1N1BI019679; Fri, 17 Jun 2016 01:23:01 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:01 -0700 Subject: [PATCH 048/119] xfs: don't update rmapbt when fixing agfl From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 048/119] xfs: don't update rmapbt when fixing agfl To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:22:59 -0700 Message-ID: <146612657955.12839.6406507864344687918.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126585 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3409 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Allow a caller of xfs_alloc_fix_freelist to disable rmapbt updates when fixing the AG freelist. xfs_repair needs this during phase 5 to be able to adjust the freelist while it's reconstructing the rmap btree; the missing entries will be added back at the very end of phase 5 once the AGFL contents settle down. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 40 ++++++++++++++++++++++++++-------------- fs/xfs/libxfs/xfs_alloc.h | 3 +++ 2 files changed, 29 insertions(+), 14 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 4c8ffd4..6eabab1 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2092,26 +2092,38 @@ xfs_alloc_fix_freelist( * anything other than extra overhead when we need to put more blocks * back on the free list? Maybe we should only do this when space is * getting low or the AGFL is more than half full? + * + * The NOSHRINK flag prevents the AGFL from being shrunk if it's too + * big; the NORMAP flag prevents AGFL expand/shrink operations from + * updating the rmapbt. Both flags are used in xfs_repair while we're + * rebuilding the rmapbt, and neither are used by the kernel. They're + * both required to ensure that rmaps are correctly recorded for the + * regenerated AGFL, bnobt, and cntbt. See repair/phase5.c and + * repair/rmap.c in xfsprogs for details. */ - xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); - while (pag->pagf_flcount > need) { - struct xfs_buf *bp; + memset(&targs, 0, sizeof(targs)); + if (!(flags & XFS_ALLOC_FLAG_NOSHRINK)) { + if (!(flags & XFS_ALLOC_FLAG_NORMAP)) + xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); + while (pag->pagf_flcount > need) { + struct xfs_buf *bp; - error = xfs_alloc_get_freelist(tp, agbp, &bno, 0); - if (error) - goto out_agbp_relse; - error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, - &targs.oinfo, 1); - if (error) - goto out_agbp_relse; - bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0); - xfs_trans_binval(tp, bp); + error = xfs_alloc_get_freelist(tp, agbp, &bno, 0); + if (error) + goto out_agbp_relse; + error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, + &targs.oinfo, 1); + if (error) + goto out_agbp_relse; + bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0); + xfs_trans_binval(tp, bp); + } } - memset(&targs, 0, sizeof(targs)); targs.tp = tp; targs.mp = mp; - xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); + if (!(flags & XFS_ALLOC_FLAG_NORMAP)) + xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); targs.agbp = agbp; targs.agno = args->agno; targs.alignment = targs.minlen = targs.prod = targs.isfl = 1; diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index 7b6c66b..7b9e67e 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -54,6 +54,9 @@ typedef unsigned int xfs_alloctype_t; */ #define XFS_ALLOC_FLAG_TRYLOCK 0x00000001 /* use trylock for buffer locking */ #define XFS_ALLOC_FLAG_FREEING 0x00000002 /* indicate caller is freeing extents*/ +#define XFS_ALLOC_FLAG_NORMAP 0x00000004 /* don't modify the rmapbt */ +#define XFS_ALLOC_FLAG_NOSHRINK 0x00000008 /* don't shrink the freelist */ + /* * Argument structure for xfs_alloc routines. From darrick.wong@oracle.com Thu Jun 16 20:23:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1BE2C7CBC for ; Thu, 16 Jun 2016 20:23:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id D6EC6304048 for ; Thu, 16 Jun 2016 18:23:12 -0700 (PDT) X-ASG-Debug-ID: 1466126591-04cb6c5425574e0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id OGiLdZIHoz9CXqpQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:11 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1N83V008044 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:09 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1N8sp019139 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:08 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1N7uv028171; Fri, 17 Jun 2016 01:23:07 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:07 -0700 Subject: [PATCH 049/119] xfs: enable the rmap btree functionality From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 049/119] xfs: enable the rmap btree functionality To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:23:05 -0700 Message-ID: <146612658581.12839.14068666392735480433.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126591 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1667 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Add the feature flag to the supported matrix so that the kernel can mount and use rmap btree enabled filesystems v2: Move the EXPERIMENTAL message to fill_super so it only prints once. Signed-off-by: Dave Chinner [darrick.wong@oracle.com: move the experimental tag] Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_format.h | 3 ++- fs/xfs/xfs_super.c | 4 ++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 6efc7a3..1b08237 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -457,7 +457,8 @@ xfs_sb_has_compat_feature( #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ #define XFS_SB_FEAT_RO_COMPAT_RMAPBT (1 << 1) /* reverse map btree */ #define XFS_SB_FEAT_RO_COMPAT_ALL \ - (XFS_SB_FEAT_RO_COMPAT_FINOBT) + (XFS_SB_FEAT_RO_COMPAT_FINOBT | \ + XFS_SB_FEAT_RO_COMPAT_RMAPBT) #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL static inline bool xfs_sb_has_ro_compat_feature( diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index a8300e4..9328821 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1571,6 +1571,10 @@ xfs_fs_fill_super( xfs_alert(mp, "EXPERIMENTAL sparse inode feature enabled. Use at your own risk!"); + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + xfs_alert(mp, + "EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!"); + error = xfs_mountfs(mp); if (error) goto out_filestream_unmount; From darrick.wong@oracle.com Thu Jun 16 20:23:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 950897CBC for ; Thu, 16 Jun 2016 20:23:22 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5691B30404E for ; Thu, 16 Jun 2016 18:23:22 -0700 (PDT) X-ASG-Debug-ID: 1466126599-04cbb01fee696c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id zEZ0cPgOx926nLaV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1NGma027399 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:23:16 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1NEDx013005 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:14 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NDST024023; Fri, 17 Jun 2016 01:23:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:13 -0700 Subject: [PATCH 050/119] xfs: count the blocks in a btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 050/119] xfs: count the blocks in a btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:23:12 -0700 Message-ID: <146612659218.12839.17928675947317698460.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126600 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1712 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a helper method to count the number of blocks in a short form btree. The refcount and rmap btrees need to know the number of blocks already in use to set up their per-AG block reservations during mount. v2: Use btree_visit_blocks instead of open-coding our own traversal routine. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.c | 22 ++++++++++++++++++++++ fs/xfs/libxfs/xfs_btree.h | 2 ++ 2 files changed, 24 insertions(+) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 4b90419..50b2c32 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4803,3 +4803,25 @@ xfs_btree_query_range( return xfs_btree_overlapped_query_range(cur, low_rec, high_rec, fn, priv); } + +int +xfs_btree_count_blocks_helper( + struct xfs_btree_cur *cur, + int level, + void *data) +{ + xfs_extlen_t *blocks = data; + (*blocks)++; + + return 0; +} + +/* Count the blocks in a btree and return the result in *blocks. */ +int +xfs_btree_count_blocks( + struct xfs_btree_cur *cur, + xfs_extlen_t *blocks) +{ + return xfs_btree_visit_blocks(cur, xfs_btree_count_blocks_helper, + blocks); +} diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 9963c48..6fa13a9 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -519,4 +519,6 @@ typedef int (*xfs_btree_visit_blocks_fn)(struct xfs_btree_cur *cur, int level, int xfs_btree_visit_blocks(struct xfs_btree_cur *cur, xfs_btree_visit_blocks_fn fn, void *data); +int xfs_btree_count_blocks(struct xfs_btree_cur *cur, xfs_extlen_t *blocks); + #endif /* __XFS_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:23:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 528CF7CB4 for ; Thu, 16 Jun 2016 20:23:29 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id D35B8AC004 for ; Thu, 16 Jun 2016 18:23:28 -0700 (PDT) X-ASG-Debug-ID: 1466126606-04bdf01e1095a50001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id yo7VkwSnJh5tz0Ew (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:27 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1NMrJ027461 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:23 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NMKF019434 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:22 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NKKn007543; Fri, 17 Jun 2016 01:23:21 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:19 -0700 Subject: [PATCH 051/119] xfs: introduce tracepoints for AG reservation code From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 051/119] xfs: introduce tracepoints for AG reservation code To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:23:18 -0700 Message-ID: <146612659841.12839.7635720851652960531.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126607 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2699 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_trace.h | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 6466adc..c50479a 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2558,6 +2558,75 @@ DEFINE_RMAPBT_EVENT(xfs_rmap_map_gtrec); DEFINE_RMAPBT_EVENT(xfs_rmap_convert_gtrec); DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_result); +/* dummy definitions to avoid breaking bisectability; will be removed later */ +#ifndef XFS_AG_RESV_DUMMY +#define XFS_AG_RESV_DUMMY +enum xfs_ag_resv_type { + XFS_AG_RESV_NONE = 0, + XFS_AG_RESV_METADATA, + XFS_AG_RESV_AGFL, +}; +struct xfs_ag_resv { + xfs_extlen_t ar_reserved; + xfs_extlen_t ar_asked; +}; +#define xfs_perag_resv(...) NULL +#endif + +/* per-AG reservation */ +DECLARE_EVENT_CLASS(xfs_ag_resv_class, + TP_PROTO(struct xfs_perag *pag, enum xfs_ag_resv_type resv, + xfs_extlen_t len), + TP_ARGS(pag, resv, len), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(int, resv) + __field(xfs_extlen_t, freeblks) + __field(xfs_extlen_t, flcount) + __field(xfs_extlen_t, reserved) + __field(xfs_extlen_t, asked) + __field(xfs_extlen_t, len) + ), + TP_fast_assign( + struct xfs_ag_resv *r = xfs_perag_resv(pag, resv); + + __entry->dev = pag->pag_mount->m_super->s_dev; + __entry->agno = pag->pag_agno; + __entry->resv = resv; + __entry->freeblks = pag->pagf_freeblks; + __entry->flcount = pag->pagf_flcount; + __entry->reserved = r ? r->ar_reserved : 0; + __entry->asked = r ? r->ar_asked : 0; + __entry->len = len; + ), + TP_printk("dev %d:%d agno %u resv %d freeblks %u flcount %u resv %u ask %u len %u\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->resv, + __entry->freeblks, + __entry->flcount, + __entry->reserved, + __entry->asked, + __entry->len) +) +#define DEFINE_AG_RESV_EVENT(name) \ +DEFINE_EVENT(xfs_ag_resv_class, name, \ + TP_PROTO(struct xfs_perag *pag, enum xfs_ag_resv_type type, \ + xfs_extlen_t len), \ + TP_ARGS(pag, type, len)) + +/* per-AG reservation tracepoints */ +DEFINE_AG_RESV_EVENT(xfs_ag_resv_init); +DEFINE_AG_RESV_EVENT(xfs_ag_resv_free); +DEFINE_AG_RESV_EVENT(xfs_ag_resv_alloc_extent); +DEFINE_AG_RESV_EVENT(xfs_ag_resv_free_extent); +DEFINE_AG_RESV_EVENT(xfs_ag_resv_critical); +DEFINE_AG_RESV_EVENT(xfs_ag_resv_needed); + +DEFINE_AG_ERROR_EVENT(xfs_ag_resv_free_error); +DEFINE_AG_ERROR_EVENT(xfs_ag_resv_init_error); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:23:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 410427DEE for ; Thu, 16 Jun 2016 20:23:35 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 046DD304039 for ; Thu, 16 Jun 2016 18:23:34 -0700 (PDT) X-ASG-Debug-ID: 1466126610-04cbb01fec696d0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id mnPPp6cm7juUiqTw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1NRLi008137 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:28 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NRaJ008563 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:27 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NQmn024038; Fri, 17 Jun 2016 01:23:26 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:26 -0700 Subject: [PATCH 052/119] xfs: set up per-AG free space reservations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 052/119] xfs: set up per-AG free space reservations To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:23:24 -0700 Message-ID: <146612660467.12839.14363093932068766563.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126610 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 31504 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines One unfortunate quirk of the reference count btree -- it can expand in size when blocks are written to *other* allocation groups if, say, one large extent becomes a lot of tiny extents. Since we don't want to start throwing errors in the middle of CoWing, we need to reserve some blocks to handle future expansion. Use the count of how many reserved blocks we need to have on hand to create a virtual reservation in the AG. Through selective clamping of the maximum length of allocation requests and of the length of the longest free extent, we can make it look like there's less free space in the AG unless the reservation owner is asking for blocks. In other words, play some accounting tricks in-core to make sure that we always have blocks available. On the plus side, there's nothing to clean up if we crash, which is contrast to the strategy that the rough draft used (actually removing extents from the freespace btrees). v2: There's really only two kinds of per-AG reservation pools -- one to feed the AGFL (rmapbt), and one to feed everything else (refcountbt). Bearing that in mind, we can embed the reservation controls in xfs_perag and greatly simplify the block accounting. Furthermore, fix some longstanding accounting bugs that were a direct result of the goofy "allocate a block and later fix up the accounting" strategy by integrating the reservation accounting code more tightly with the allocator. This eliminates the ENOSPC complaints resulting from refcount btree splits during truncate operations. Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_ag_resv.c | 318 ++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_ag_resv.h | 35 ++++ fs/xfs/libxfs/xfs_alloc.c | 93 ++++++++--- fs/xfs/libxfs/xfs_alloc.h | 8 + fs/xfs/libxfs/xfs_bmap.c | 6 - fs/xfs/libxfs/xfs_ialloc_btree.c | 2 fs/xfs/xfs_filestream.c | 4 fs/xfs/xfs_fsops.c | 2 fs/xfs/xfs_mount.h | 34 ++++ fs/xfs/xfs_trace.h | 36 +--- fs/xfs/xfs_trans_extfree.c | 3 12 files changed, 485 insertions(+), 57 deletions(-) create mode 100644 fs/xfs/libxfs/xfs_ag_resv.c create mode 100644 fs/xfs/libxfs/xfs_ag_resv.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 1980110..c7a864e 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -52,6 +52,7 @@ xfs-y += $(addprefix libxfs/, \ xfs_inode_fork.o \ xfs_inode_buf.o \ xfs_log_rlimit.o \ + xfs_ag_resv.o \ xfs_rmap.o \ xfs_rmap_btree.o \ xfs_sb.o \ diff --git a/fs/xfs/libxfs/xfs_ag_resv.c b/fs/xfs/libxfs/xfs_ag_resv.c new file mode 100644 index 0000000..4d390b7 --- /dev/null +++ b/fs/xfs/libxfs/xfs_ag_resv.c @@ -0,0 +1,318 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_alloc.h" +#include "xfs_error.h" +#include "xfs_trace.h" +#include "xfs_cksum.h" +#include "xfs_trans.h" +#include "xfs_bit.h" +#include "xfs_bmap.h" +#include "xfs_bmap_btree.h" +#include "xfs_ag_resv.h" +#include "xfs_trans_space.h" +#include "xfs_rmap_btree.h" +#include "xfs_btree.h" + +/* + * Per-AG Block Reservations + * + * For some kinds of allocation group metadata structures, it is advantageous + * to reserve a small number of blocks in each AG so that future expansions of + * that data structure do not encounter ENOSPC because errors during a btree + * split cause the filesystem to go offline. + * + * Prior to the introduction of reflink, this wasn't an issue because the free + * space btrees maintain a reserve of space (the AGFL) to handle any expansion + * that may be necessary; and allocations of other metadata (inodes, BMBT, + * dir/attr) aren't restricted to a single AG. However, with reflink it is + * possible to allocate all the space in an AG, have subsequent reflink/CoW + * activity expand the refcount btree, and discover that there's no space left + * to handle that expansion. Since we can calculate the maximum size of the + * refcount btree, we can reserve space for it and avoid ENOSPC. + * + * Handling per-AG reservations consists of three changes to the allocator's + * behavior: First, because these reservations are always needed, we decrease + * the ag_max_usable counter to reflect the size of the AG after the reserved + * blocks are taken. Second, the reservations must be reflected in the + * fdblocks count to maintain proper accounting. Third, each AG must maintain + * its own reserved block counter so that we can calculate the amount of space + * that must remain free to maintain the reservations. Fourth, the "remaining + * reserved blocks" count must be used when calculating the length of the + * longest free extent in an AG and to clamp maxlen in the per-AG allocation + * functions. In other words, we maintain a virtual allocation via in-core + * accounting tricks so that we don't have to clean up after a crash. :) + * + * Reserved blocks can be managed by passing one of the enum xfs_ag_resv_type + * values via struct xfs_alloc_arg or directly to the xfs_free_extent + * function. It might seem a little funny to maintain a reservoir of blocks + * to feed another reservoir, but the AGFL only holds enough blocks to get + * through the next transaction. The per-AG reservation is to ensure (we + * hope) that each AG never runs out of blocks. Each data structure wanting + * to use the reservation system should update ask/used in xfs_ag_resv_init. + */ + +/* + * Are we critically low on blocks? For now we'll define that as the number + * of blocks we can get our hands on being less than 10% of what we reserved + * or less than some arbitrary number (eight). + */ +bool +xfs_ag_resv_critical( + struct xfs_perag *pag, + enum xfs_ag_resv_type type) +{ + xfs_extlen_t avail; + xfs_extlen_t orig; + + switch (type) { + case XFS_AG_RESV_METADATA: + avail = pag->pagf_freeblks - pag->pag_agfl_resv.ar_reserved; + orig = pag->pag_meta_resv.ar_asked; + break; + case XFS_AG_RESV_AGFL: + avail = pag->pagf_freeblks + pag->pagf_flcount - + pag->pag_meta_resv.ar_reserved; + orig = pag->pag_agfl_resv.ar_asked; + break; + default: + ASSERT(0); + return false; + } + + trace_xfs_ag_resv_critical(pag, type, avail); + + return avail < orig / 10 || avail < XFS_BTREE_MAXLEVELS; +} + +/* + * How many blocks are reserved but not used, and therefore must not be + * allocated away? + */ +xfs_extlen_t +xfs_ag_resv_needed( + struct xfs_perag *pag, + enum xfs_ag_resv_type type) +{ + xfs_extlen_t len; + + len = pag->pag_meta_resv.ar_reserved + pag->pag_agfl_resv.ar_reserved; + switch (type) { + case XFS_AG_RESV_METADATA: + case XFS_AG_RESV_AGFL: + len -= xfs_perag_resv(pag, type)->ar_reserved; + break; + case XFS_AG_RESV_NONE: + /* empty */ + break; + default: + ASSERT(0); + } + + trace_xfs_ag_resv_needed(pag, type, len); + + return len; +} + +/* Clean out a reservation */ +static int +__xfs_ag_resv_free( + struct xfs_perag *pag, + enum xfs_ag_resv_type type) +{ + struct xfs_ag_resv *resv; + struct xfs_ag_resv t; + int error; + + trace_xfs_ag_resv_free(pag, type, 0); + + resv = xfs_perag_resv(pag, type); + t = *resv; + resv->ar_reserved = 0; + resv->ar_asked = 0; + pag->pag_mount->m_ag_max_usable += t.ar_asked; + + error = xfs_mod_fdblocks(pag->pag_mount, t.ar_reserved, true); + if (error) + trace_xfs_ag_resv_free_error(pag->pag_mount, pag->pag_agno, + error, _RET_IP_); + return error; +} + +/* Free a per-AG reservation. */ +int +xfs_ag_resv_free( + struct xfs_perag *pag) +{ + int error = 0; + int err2; + + err2 = __xfs_ag_resv_free(pag, XFS_AG_RESV_AGFL); + if (err2 && !error) + error = err2; + err2 = __xfs_ag_resv_free(pag, XFS_AG_RESV_METADATA); + if (err2 && !error) + error = err2; + return error; +} + +static int +__xfs_ag_resv_init( + struct xfs_perag *pag, + enum xfs_ag_resv_type type, + xfs_extlen_t ask, + xfs_extlen_t used) +{ + struct xfs_mount *mp = pag->pag_mount; + struct xfs_ag_resv *resv; + int error; + + resv = xfs_perag_resv(pag, type); + if (used > ask) + ask = used; + resv->ar_asked = ask; + resv->ar_reserved = ask - used; + mp->m_ag_max_usable -= ask; + + trace_xfs_ag_resv_init(pag, type, ask); + + error = xfs_mod_fdblocks(mp, -(int64_t)resv->ar_reserved, true); + if (error) + trace_xfs_ag_resv_init_error(pag->pag_mount, pag->pag_agno, + error, _RET_IP_); + + return error; +} + +/* Create a per-AG block reservation. */ +int +xfs_ag_resv_init( + struct xfs_perag *pag) +{ + xfs_extlen_t ask; + xfs_extlen_t used; + int error = 0; + int err2; + + if (pag->pag_meta_resv.ar_asked) + goto init_agfl; + + /* Create the metadata reservation. */ + ask = used = 0; + + err2 = __xfs_ag_resv_init(pag, XFS_AG_RESV_METADATA, ask, used); + if (err2 && !error) + error = err2; + +init_agfl: + if (pag->pag_agfl_resv.ar_asked) + return error; + + /* Create the AGFL metadata reservation */ + ask = used = 0; + + err2 = __xfs_ag_resv_init(pag, XFS_AG_RESV_AGFL, ask, used); + if (err2 && !error) + error = err2; + + return error; +} + +/* Allocate a block from the reservation. */ +void +xfs_ag_resv_alloc_extent( + struct xfs_perag *pag, + enum xfs_ag_resv_type type, + struct xfs_alloc_arg *args) +{ + struct xfs_ag_resv *resv; + xfs_extlen_t leftover; + uint field; + + trace_xfs_ag_resv_alloc_extent(pag, type, args->len); + + switch (type) { + case XFS_AG_RESV_METADATA: + case XFS_AG_RESV_AGFL: + resv = xfs_perag_resv(pag, type); + break; + default: + ASSERT(0); + /* fall through */ + case XFS_AG_RESV_NONE: + field = args->wasdel ? XFS_TRANS_SB_RES_FDBLOCKS : + XFS_TRANS_SB_FDBLOCKS; + xfs_trans_mod_sb(args->tp, field, -(int64_t)args->len); + return; + } + + if (args->len > resv->ar_reserved) { + leftover = args->len - resv->ar_reserved; + if (type != XFS_AG_RESV_AGFL) + xfs_trans_mod_sb(args->tp, XFS_TRANS_SB_FDBLOCKS, + -(int64_t)leftover); + resv->ar_reserved = 0; + } else + resv->ar_reserved -= args->len; +} + +/* Free a block to the reservation. */ +void +xfs_ag_resv_free_extent( + struct xfs_perag *pag, + enum xfs_ag_resv_type type, + struct xfs_trans *tp, + xfs_extlen_t len) +{ + xfs_extlen_t leftover; + struct xfs_ag_resv *resv; + + trace_xfs_ag_resv_free_extent(pag, type, len); + + switch (type) { + case XFS_AG_RESV_METADATA: + case XFS_AG_RESV_AGFL: + resv = xfs_perag_resv(pag, type); + break; + default: + ASSERT(0); + /* fall through */ + case XFS_AG_RESV_NONE: + xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, (int64_t)len); + return; + } + + if (resv->ar_reserved + len > resv->ar_asked) { + leftover = resv->ar_reserved + len - resv->ar_asked; + if (type != XFS_AG_RESV_AGFL) + xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, + (int64_t)leftover); + resv->ar_reserved = resv->ar_asked; + } else + resv->ar_reserved += len; +} diff --git a/fs/xfs/libxfs/xfs_ag_resv.h b/fs/xfs/libxfs/xfs_ag_resv.h new file mode 100644 index 0000000..8d6c687 --- /dev/null +++ b/fs/xfs/libxfs/xfs_ag_resv.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_AG_RESV_H__ +#define __XFS_AG_RESV_H__ + +int xfs_ag_resv_free(struct xfs_perag *pag); +int xfs_ag_resv_init(struct xfs_perag *pag); + +bool xfs_ag_resv_critical(struct xfs_perag *pag, enum xfs_ag_resv_type type); +xfs_extlen_t xfs_ag_resv_needed(struct xfs_perag *pag, + enum xfs_ag_resv_type type); + +void xfs_ag_resv_alloc_extent(struct xfs_perag *pag, enum xfs_ag_resv_type type, + struct xfs_alloc_arg *args); +void xfs_ag_resv_free_extent(struct xfs_perag *pag, enum xfs_ag_resv_type type, + struct xfs_trans *tp, xfs_extlen_t len); + +#endif /* __XFS_AG_RESV_H__ */ diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 6eabab1..5f05c4e 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -37,6 +37,7 @@ #include "xfs_trans.h" #include "xfs_buf_item.h" #include "xfs_log.h" +#include "xfs_ag_resv.h" struct workqueue_struct *xfs_alloc_wq; @@ -682,12 +683,29 @@ xfs_alloc_ag_vextent( xfs_alloc_arg_t *args) /* argument structure for allocation */ { int error=0; + xfs_extlen_t reservation; + xfs_extlen_t oldmax; ASSERT(args->minlen > 0); ASSERT(args->maxlen > 0); ASSERT(args->minlen <= args->maxlen); ASSERT(args->mod < args->prod); ASSERT(args->alignment > 0); + + /* + * Clamp maxlen to the amount of free space minus any reservations + * that have been made. + */ + oldmax = args->maxlen; + reservation = xfs_ag_resv_needed(args->pag, args->resv); + if (args->maxlen > args->pag->pagf_freeblks - reservation) + args->maxlen = args->pag->pagf_freeblks - reservation; + if (args->maxlen == 0) { + args->agbno = NULLAGBLOCK; + args->maxlen = oldmax; + return 0; + } + /* * Branch to correct routine based on the type. */ @@ -707,12 +725,14 @@ xfs_alloc_ag_vextent( /* NOTREACHED */ } + args->maxlen = oldmax; + if (error || args->agbno == NULLAGBLOCK) return error; ASSERT(args->len >= args->minlen); ASSERT(args->len <= args->maxlen); - ASSERT(!args->wasfromfl || !args->isfl); + ASSERT(!args->wasfromfl || args->resv != XFS_AG_RESV_AGFL); ASSERT(args->agbno % args->alignment == 0); /* if not file data, insert new block into the reverse map btree */ @@ -734,12 +754,7 @@ xfs_alloc_ag_vextent( args->agbno, args->len)); } - if (!args->isfl) { - xfs_trans_mod_sb(args->tp, args->wasdel ? - XFS_TRANS_SB_RES_FDBLOCKS : - XFS_TRANS_SB_FDBLOCKS, - -((long)(args->len))); - } + xfs_ag_resv_alloc_extent(args->pag, args->resv, args); XFS_STATS_INC(args->mp, xs_allocx); XFS_STATS_ADD(args->mp, xs_allocb, args->len); @@ -1601,7 +1616,8 @@ xfs_alloc_ag_vextent_small( * to respect minleft even when pulling from the * freelist. */ - else if (args->minlen == 1 && args->alignment == 1 && !args->isfl && + else if (args->minlen == 1 && args->alignment == 1 && + args->resv != XFS_AG_RESV_AGFL && (be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_flcount) > args->minleft)) { error = xfs_alloc_get_freelist(args->tp, args->agbp, &fbno, 0); @@ -1672,7 +1688,7 @@ xfs_free_ag_extent( xfs_agblock_t bno, /* starting block number */ xfs_extlen_t len, /* length of extent */ struct xfs_owner_info *oinfo, /* extent owner */ - int isfl) /* set if is freelist blocks - no sb acctg */ + enum xfs_ag_resv_type type) /* extent reservation type */ { xfs_btree_cur_t *bno_cur; /* cursor for by-block btree */ xfs_btree_cur_t *cnt_cur; /* cursor for by-size btree */ @@ -1900,21 +1916,22 @@ xfs_free_ag_extent( */ pag = xfs_perag_get(mp, agno); error = xfs_alloc_update_counters(tp, pag, agbp, len); + xfs_ag_resv_free_extent(pag, type, tp, len); xfs_perag_put(pag); if (error) goto error0; - if (!isfl) - xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, (long)len); XFS_STATS_INC(mp, xs_freex); XFS_STATS_ADD(mp, xs_freeb, len); - trace_xfs_free_extent(mp, agno, bno, len, isfl, haveleft, haveright); + trace_xfs_free_extent(mp, agno, bno, len, type == XFS_AG_RESV_AGFL, + haveleft, haveright); return 0; error0: - trace_xfs_free_extent(mp, agno, bno, len, isfl, -1, -1); + trace_xfs_free_extent(mp, agno, bno, len, type == XFS_AG_RESV_AGFL, + -1, -1); if (bno_cur) xfs_btree_del_cursor(bno_cur, XFS_BTREE_ERROR); if (cnt_cur) @@ -1939,21 +1956,43 @@ xfs_alloc_compute_maxlevels( } /* - * Find the length of the longest extent in an AG. + * Find the length of the longest extent in an AG. The 'need' parameter + * specifies how much space we're going to need for the AGFL and the + * 'reserved' parameter tells us how many blocks in this AG are reserved for + * other callers. */ xfs_extlen_t xfs_alloc_longest_free_extent( struct xfs_mount *mp, struct xfs_perag *pag, - xfs_extlen_t need) + xfs_extlen_t need, + xfs_extlen_t reserved) { xfs_extlen_t delta = 0; + /* + * If the AGFL needs a recharge, we'll have to subtract that from the + * longest extent. + */ if (need > pag->pagf_flcount) delta = need - pag->pagf_flcount; + /* + * If we cannot maintain others' reservations with space from the + * not-longest freesp extents, we'll have to subtract /that/ from + * the longest extent too. + */ + if (pag->pagf_freeblks - pag->pagf_longest < reserved) + delta += reserved - (pag->pagf_freeblks - pag->pagf_longest); + + /* + * If the longest extent is long enough to satisfy all the + * reservations and AGFL rules in place, we can return this extent. + */ if (pag->pagf_longest > delta) return pag->pagf_longest - delta; + + /* Otherwise, let the caller try for 1 block if there's space. */ return pag->pagf_flcount > 0 || pag->pagf_longest > 0; } @@ -1993,20 +2032,24 @@ xfs_alloc_space_available( { struct xfs_perag *pag = args->pag; xfs_extlen_t longest; + xfs_extlen_t reservation; /* blocks that are still reserved */ int available; if (flags & XFS_ALLOC_FLAG_FREEING) return true; + reservation = xfs_ag_resv_needed(pag, args->resv); + /* do we have enough contiguous free space for the allocation? */ - longest = xfs_alloc_longest_free_extent(args->mp, pag, min_free); + longest = xfs_alloc_longest_free_extent(args->mp, pag, min_free, + reservation); if ((args->minlen + args->alignment + args->minalignslop - 1) > longest) return false; - /* do have enough free space remaining for the allocation? */ + /* do we have enough free space remaining for the allocation? */ available = (int)(pag->pagf_freeblks + pag->pagf_flcount - - min_free - args->total); - if (available < (int)args->minleft) + reservation - min_free - args->total); + if (available < (int)args->minleft || available <= 0) return false; return true; @@ -2112,7 +2155,8 @@ xfs_alloc_fix_freelist( if (error) goto out_agbp_relse; error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, - &targs.oinfo, 1); + &targs.oinfo, + XFS_AG_RESV_AGFL); if (error) goto out_agbp_relse; bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0); @@ -2126,7 +2170,7 @@ xfs_alloc_fix_freelist( xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); targs.agbp = agbp; targs.agno = args->agno; - targs.alignment = targs.minlen = targs.prod = targs.isfl = 1; + targs.alignment = targs.minlen = targs.prod = 1; targs.type = XFS_ALLOCTYPE_THIS_AG; targs.pag = pag; error = xfs_alloc_read_agfl(mp, tp, targs.agno, &agflbp); @@ -2137,6 +2181,7 @@ xfs_alloc_fix_freelist( while (pag->pagf_flcount < need) { targs.agbno = 0; targs.maxlen = need - pag->pagf_flcount; + targs.resv = XFS_AG_RESV_AGFL; /* Allocate as many blocks as possible at once. */ error = xfs_alloc_ag_vextent(&targs); @@ -2815,7 +2860,8 @@ xfs_free_extent( struct xfs_trans *tp, /* transaction pointer */ xfs_fsblock_t bno, /* starting block number of extent */ xfs_extlen_t len, /* length of extent */ - struct xfs_owner_info *oinfo) /* extent owner */ + struct xfs_owner_info *oinfo, /* extent owner */ + enum xfs_ag_resv_type type) /* block reservation type */ { struct xfs_mount *mp = tp->t_mountp; struct xfs_buf *agbp; @@ -2824,6 +2870,7 @@ xfs_free_extent( int error; ASSERT(len != 0); + ASSERT(type != XFS_AG_RESV_AGFL); trace_xfs_bmap_free_deferred(mp, agno, 0, agbno, len); @@ -2843,7 +2890,7 @@ xfs_free_extent( agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length), err); - error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, oinfo, 0); + error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, oinfo, type); if (error) goto err; diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index 7b9e67e..9f6373a4 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -87,10 +87,10 @@ typedef struct xfs_alloc_arg { xfs_alloctype_t otype; /* original allocation type */ char wasdel; /* set if allocation was prev delayed */ char wasfromfl; /* set if allocation is from freelist */ - char isfl; /* set if is freelist blocks - !acctg */ char userdata; /* mask defining userdata treatment */ xfs_fsblock_t firstblock; /* io first block allocated */ struct xfs_owner_info oinfo; /* owner of blocks being allocated */ + enum xfs_ag_resv_type resv; /* block reservation to use */ } xfs_alloc_arg_t; /* @@ -106,7 +106,8 @@ unsigned int xfs_alloc_set_aside(struct xfs_mount *mp); unsigned int xfs_alloc_ag_max_usable(struct xfs_mount *mp); xfs_extlen_t xfs_alloc_longest_free_extent(struct xfs_mount *mp, - struct xfs_perag *pag, xfs_extlen_t need); + struct xfs_perag *pag, xfs_extlen_t need, + xfs_extlen_t reserved); unsigned int xfs_alloc_min_freelist(struct xfs_mount *mp, struct xfs_perag *pag); @@ -184,7 +185,8 @@ xfs_free_extent( struct xfs_trans *tp, /* transaction pointer */ xfs_fsblock_t bno, /* starting block number of extent */ xfs_extlen_t len, /* length of extent */ - struct xfs_owner_info *oinfo); /* extent owner */ + struct xfs_owner_info *oinfo, /* extent owner */ + enum xfs_ag_resv_type type); /* block reservation type */ int /* error */ xfs_alloc_lookup_ge( diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 507fd74..972dfc2 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -47,6 +47,7 @@ #include "xfs_attr_leaf.h" #include "xfs_filestream.h" #include "xfs_rmap_btree.h" +#include "xfs_ag_resv.h" kmem_zone_t *xfs_bmap_free_item_zone; @@ -3501,7 +3502,8 @@ xfs_bmap_longest_free_extent( } longest = xfs_alloc_longest_free_extent(mp, pag, - xfs_alloc_min_freelist(mp, pag)); + xfs_alloc_min_freelist(mp, pag), + xfs_ag_resv_needed(pag, XFS_AG_RESV_NONE)); if (*blen < longest) *blen = longest; @@ -3780,7 +3782,7 @@ xfs_bmap_btalloc( } args.minleft = ap->minleft; args.wasdel = ap->wasdel; - args.isfl = 0; + args.resv = XFS_AG_RESV_NONE; args.userdata = ap->userdata; if (ap->userdata & XFS_ALLOC_USERDATA_ZERO) args.ip = ap->ip; diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index f9ea86b..fd26550 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -131,7 +131,7 @@ xfs_inobt_free_block( xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INOBT); return xfs_free_extent(cur->bc_tp, XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp)), 1, - &oinfo); + &oinfo, XFS_AG_RESV_NONE); } STATIC int diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index 4a33a33..c8005fd 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -30,6 +30,7 @@ #include "xfs_mru_cache.h" #include "xfs_filestream.h" #include "xfs_trace.h" +#include "xfs_ag_resv.h" struct xfs_fstrm_item { struct xfs_mru_cache_elem mru; @@ -198,7 +199,8 @@ xfs_filestream_pick_ag( } longest = xfs_alloc_longest_free_extent(mp, pag, - xfs_alloc_min_freelist(mp, pag)); + xfs_alloc_min_freelist(mp, pag), + xfs_ag_resv_needed(pag, XFS_AG_RESV_NONE)); if (((minlen && longest >= minlen) || (!minlen && pag->pagf_freeblks >= minfree)) && (!pag->pagf_metadata || !(flags & XFS_PICK_USERDATA) || diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 5980d5c..cd4de75 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -551,7 +551,7 @@ xfs_growfs_data_private( error = xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, agno, be32_to_cpu(agf->agf_length) - new), - new, &oinfo); + new, &oinfo, XFS_AG_RESV_NONE); if (error) goto error0; } diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index b36676c..e18d74e 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -325,6 +325,20 @@ xfs_mp_fail_writes(struct xfs_mount *mp) } #endif +/* per-AG block reservation data structures*/ +enum xfs_ag_resv_type { + XFS_AG_RESV_NONE = 0, + XFS_AG_RESV_METADATA, + XFS_AG_RESV_AGFL, +}; + +struct xfs_ag_resv { + /* number of block reserved here */ + xfs_extlen_t ar_reserved; + /* number of blocks originally asked for */ + xfs_extlen_t ar_asked; +}; + /* * Per-ag incore structure, copies of information in agf and agi, to improve the * performance of allocation group selection. @@ -372,8 +386,28 @@ typedef struct xfs_perag { /* for rcu-safe freeing */ struct rcu_head rcu_head; int pagb_count; /* pagb slots in use */ + + /* Blocks reserved for all kinds of metadata. */ + struct xfs_ag_resv pag_meta_resv; + /* Blocks reserved for just AGFL-based metadata. */ + struct xfs_ag_resv pag_agfl_resv; } xfs_perag_t; +static inline struct xfs_ag_resv * +xfs_perag_resv( + struct xfs_perag *pag, + enum xfs_ag_resv_type type) +{ + switch (type) { + case XFS_AG_RESV_METADATA: + return &pag->pag_meta_resv; + case XFS_AG_RESV_AGFL: + return &pag->pag_agfl_resv; + default: + return NULL; + } +} + extern void xfs_uuid_table_free(void); extern int xfs_log_sbcount(xfs_mount_t *); extern __uint64_t xfs_default_resblks(xfs_mount_t *mp); diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index c50479a..b421b28 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -1569,14 +1569,15 @@ TRACE_EVENT(xfs_agf, TRACE_EVENT(xfs_free_extent, TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno, - xfs_extlen_t len, bool isfl, int haveleft, int haveright), - TP_ARGS(mp, agno, agbno, len, isfl, haveleft, haveright), + xfs_extlen_t len, enum xfs_ag_resv_type resv, int haveleft, + int haveright), + TP_ARGS(mp, agno, agbno, len, resv, haveleft, haveright), TP_STRUCT__entry( __field(dev_t, dev) __field(xfs_agnumber_t, agno) __field(xfs_agblock_t, agbno) __field(xfs_extlen_t, len) - __field(int, isfl) + __field(int, resv) __field(int, haveleft) __field(int, haveright) ), @@ -1585,16 +1586,16 @@ TRACE_EVENT(xfs_free_extent, __entry->agno = agno; __entry->agbno = agbno; __entry->len = len; - __entry->isfl = isfl; + __entry->resv = resv; __entry->haveleft = haveleft; __entry->haveright = haveright; ), - TP_printk("dev %d:%d agno %u agbno %u len %u isfl %d %s", + TP_printk("dev %d:%d agno %u agbno %u len %u resv %d %s", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->agno, __entry->agbno, __entry->len, - __entry->isfl, + __entry->resv, __entry->haveleft ? (__entry->haveright ? "both" : "left") : (__entry->haveright ? "right" : "none")) @@ -1621,7 +1622,7 @@ DECLARE_EVENT_CLASS(xfs_alloc_class, __field(short, otype) __field(char, wasdel) __field(char, wasfromfl) - __field(char, isfl) + __field(int, resv) __field(char, userdata) __field(xfs_fsblock_t, firstblock) ), @@ -1642,13 +1643,13 @@ DECLARE_EVENT_CLASS(xfs_alloc_class, __entry->otype = args->otype; __entry->wasdel = args->wasdel; __entry->wasfromfl = args->wasfromfl; - __entry->isfl = args->isfl; + __entry->resv = args->resv; __entry->userdata = args->userdata; __entry->firstblock = args->firstblock; ), TP_printk("dev %d:%d agno %u agbno %u minlen %u maxlen %u mod %u " "prod %u minleft %u total %u alignment %u minalignslop %u " - "len %u type %s otype %s wasdel %d wasfromfl %d isfl %d " + "len %u type %s otype %s wasdel %d wasfromfl %d resv %d " "userdata %d firstblock 0x%llx", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->agno, @@ -1666,7 +1667,7 @@ DECLARE_EVENT_CLASS(xfs_alloc_class, __print_symbolic(__entry->otype, XFS_ALLOC_TYPES), __entry->wasdel, __entry->wasfromfl, - __entry->isfl, + __entry->resv, __entry->userdata, (unsigned long long)__entry->firstblock) ) @@ -2558,21 +2559,6 @@ DEFINE_RMAPBT_EVENT(xfs_rmap_map_gtrec); DEFINE_RMAPBT_EVENT(xfs_rmap_convert_gtrec); DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_result); -/* dummy definitions to avoid breaking bisectability; will be removed later */ -#ifndef XFS_AG_RESV_DUMMY -#define XFS_AG_RESV_DUMMY -enum xfs_ag_resv_type { - XFS_AG_RESV_NONE = 0, - XFS_AG_RESV_METADATA, - XFS_AG_RESV_AGFL, -}; -struct xfs_ag_resv { - xfs_extlen_t ar_reserved; - xfs_extlen_t ar_asked; -}; -#define xfs_perag_resv(...) NULL -#endif - /* per-AG reservation */ DECLARE_EVENT_CLASS(xfs_ag_resv_class, TP_PROTO(struct xfs_perag *pag, enum xfs_ag_resv_type resv, diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c index d1b8833..ecb9a68 100644 --- a/fs/xfs/xfs_trans_extfree.c +++ b/fs/xfs/xfs_trans_extfree.c @@ -125,7 +125,8 @@ xfs_trans_free_extent( struct xfs_extent *extp; int error; - error = xfs_free_extent(tp, start_block, ext_len, oinfo); + error = xfs_free_extent(tp, start_block, ext_len, oinfo, + XFS_AG_RESV_NONE); /* * Mark the transaction dirty, even on error. This ensures the From darrick.wong@oracle.com Thu Jun 16 20:23:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EF41E7DF6 for ; Thu, 16 Jun 2016 20:23:38 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id BB6D98F804B for ; Thu, 16 Jun 2016 18:23:38 -0700 (PDT) X-ASG-Debug-ID: 1466126616-04cb6c542757560001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Si5pmgLtcN2BEGyt (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:36 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1NXLf027503 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:34 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NXW5015359 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:33 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NX6s024102; Fri, 17 Jun 2016 01:23:33 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:32 -0700 Subject: [PATCH 053/119] xfs: define tracepoints for refcount btree activities From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 053/119] xfs: define tracepoints for refcount btree activities To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:23:31 -0700 Message-ID: <146612661116.12839.16240431642040339922.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126616 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12142 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Define all the tracepoints we need to inspect the refcount btree runtime operation. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_trace.h | 302 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 302 insertions(+) diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index b421b28..6ed7cbf 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -40,6 +40,16 @@ struct xfs_inode_log_format; struct xfs_bmbt_irec; struct xfs_btree_cur; +#ifndef XFS_REFCOUNT_IREC_PLACEHOLDER +#define XFS_REFCOUNT_IREC_PLACEHOLDER +/* Placeholder definition to avoid breaking bisectability. */ +struct xfs_refcount_irec { + xfs_agblock_t rc_startblock; /* starting block number */ + xfs_extlen_t rc_blockcount; /* count of free blocks */ + xfs_nlink_t rc_refcount; /* number of inodes linked here */ +}; +#endif + DECLARE_EVENT_CLASS(xfs_attr_list_class, TP_PROTO(struct xfs_attr_list_context *ctx), TP_ARGS(ctx), @@ -2613,6 +2623,298 @@ DEFINE_AG_RESV_EVENT(xfs_ag_resv_needed); DEFINE_AG_ERROR_EVENT(xfs_ag_resv_free_error); DEFINE_AG_ERROR_EVENT(xfs_ag_resv_init_error); +/* refcount tracepoint classes */ + +/* reuse the discard trace class for agbno/aglen-based traces */ +#define DEFINE_AG_EXTENT_EVENT(name) DEFINE_DISCARD_EVENT(name) + +/* ag btree lookup tracepoint class */ +#define XFS_AG_BTREE_CMP_FORMAT_STR \ + { XFS_LOOKUP_EQ, "eq" }, \ + { XFS_LOOKUP_LE, "le" }, \ + { XFS_LOOKUP_GE, "ge" } +DECLARE_EVENT_CLASS(xfs_ag_btree_lookup_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + xfs_agblock_t agbno, xfs_lookup_t dir), + TP_ARGS(mp, agno, agbno, dir), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, agbno) + __field(xfs_lookup_t, dir) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->agbno = agbno; + __entry->dir = dir; + ), + TP_printk("dev %d:%d agno %u agbno %u cmp %s(%d)\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->agbno, + __print_symbolic(__entry->dir, XFS_AG_BTREE_CMP_FORMAT_STR), + __entry->dir) +) + +#define DEFINE_AG_BTREE_LOOKUP_EVENT(name) \ +DEFINE_EVENT(xfs_ag_btree_lookup_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + xfs_agblock_t agbno, xfs_lookup_t dir), \ + TP_ARGS(mp, agno, agbno, dir)) + +/* single-rcext tracepoint class */ +DECLARE_EVENT_CLASS(xfs_refcount_extent_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + struct xfs_refcount_irec *irec), + TP_ARGS(mp, agno, irec), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, startblock) + __field(xfs_extlen_t, blockcount) + __field(xfs_nlink_t, refcount) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->startblock = irec->rc_startblock; + __entry->blockcount = irec->rc_blockcount; + __entry->refcount = irec->rc_refcount; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->startblock, + __entry->blockcount, + __entry->refcount) +) + +#define DEFINE_REFCOUNT_EXTENT_EVENT(name) \ +DEFINE_EVENT(xfs_refcount_extent_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + struct xfs_refcount_irec *irec), \ + TP_ARGS(mp, agno, irec)) + +/* single-rcext and an agbno tracepoint class */ +DECLARE_EVENT_CLASS(xfs_refcount_extent_at_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + struct xfs_refcount_irec *irec, xfs_agblock_t agbno), + TP_ARGS(mp, agno, irec, agbno), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, startblock) + __field(xfs_extlen_t, blockcount) + __field(xfs_nlink_t, refcount) + __field(xfs_agblock_t, agbno) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->startblock = irec->rc_startblock; + __entry->blockcount = irec->rc_blockcount; + __entry->refcount = irec->rc_refcount; + __entry->agbno = agbno; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u @ agbno %u\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->startblock, + __entry->blockcount, + __entry->refcount, + __entry->agbno) +) + +#define DEFINE_REFCOUNT_EXTENT_AT_EVENT(name) \ +DEFINE_EVENT(xfs_refcount_extent_at_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + struct xfs_refcount_irec *irec, xfs_agblock_t agbno), \ + TP_ARGS(mp, agno, irec, agbno)) + +/* double-rcext tracepoint class */ +DECLARE_EVENT_CLASS(xfs_refcount_double_extent_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2), + TP_ARGS(mp, agno, i1, i2), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, i1_startblock) + __field(xfs_extlen_t, i1_blockcount) + __field(xfs_nlink_t, i1_refcount) + __field(xfs_agblock_t, i2_startblock) + __field(xfs_extlen_t, i2_blockcount) + __field(xfs_nlink_t, i2_refcount) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->i1_startblock = i1->rc_startblock; + __entry->i1_blockcount = i1->rc_blockcount; + __entry->i1_refcount = i1->rc_refcount; + __entry->i2_startblock = i2->rc_startblock; + __entry->i2_blockcount = i2->rc_blockcount; + __entry->i2_refcount = i2->rc_refcount; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u -- " + "agbno %u len %u refcount %u\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->i1_startblock, + __entry->i1_blockcount, + __entry->i1_refcount, + __entry->i2_startblock, + __entry->i2_blockcount, + __entry->i2_refcount) +) + +#define DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(name) \ +DEFINE_EVENT(xfs_refcount_double_extent_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2), \ + TP_ARGS(mp, agno, i1, i2)) + +/* double-rcext and an agbno tracepoint class */ +DECLARE_EVENT_CLASS(xfs_refcount_double_extent_at_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2, + xfs_agblock_t agbno), + TP_ARGS(mp, agno, i1, i2, agbno), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, i1_startblock) + __field(xfs_extlen_t, i1_blockcount) + __field(xfs_nlink_t, i1_refcount) + __field(xfs_agblock_t, i2_startblock) + __field(xfs_extlen_t, i2_blockcount) + __field(xfs_nlink_t, i2_refcount) + __field(xfs_agblock_t, agbno) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->i1_startblock = i1->rc_startblock; + __entry->i1_blockcount = i1->rc_blockcount; + __entry->i1_refcount = i1->rc_refcount; + __entry->i2_startblock = i2->rc_startblock; + __entry->i2_blockcount = i2->rc_blockcount; + __entry->i2_refcount = i2->rc_refcount; + __entry->agbno = agbno; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u -- " + "agbno %u len %u refcount %u @ agbno %u\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->i1_startblock, + __entry->i1_blockcount, + __entry->i1_refcount, + __entry->i2_startblock, + __entry->i2_blockcount, + __entry->i2_refcount, + __entry->agbno) +) + +#define DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(name) \ +DEFINE_EVENT(xfs_refcount_double_extent_at_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2, \ + xfs_agblock_t agbno), \ + TP_ARGS(mp, agno, i1, i2, agbno)) + +/* triple-rcext tracepoint class */ +DECLARE_EVENT_CLASS(xfs_refcount_triple_extent_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2, + struct xfs_refcount_irec *i3), + TP_ARGS(mp, agno, i1, i2, i3), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, i1_startblock) + __field(xfs_extlen_t, i1_blockcount) + __field(xfs_nlink_t, i1_refcount) + __field(xfs_agblock_t, i2_startblock) + __field(xfs_extlen_t, i2_blockcount) + __field(xfs_nlink_t, i2_refcount) + __field(xfs_agblock_t, i3_startblock) + __field(xfs_extlen_t, i3_blockcount) + __field(xfs_nlink_t, i3_refcount) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->i1_startblock = i1->rc_startblock; + __entry->i1_blockcount = i1->rc_blockcount; + __entry->i1_refcount = i1->rc_refcount; + __entry->i2_startblock = i2->rc_startblock; + __entry->i2_blockcount = i2->rc_blockcount; + __entry->i2_refcount = i2->rc_refcount; + __entry->i3_startblock = i3->rc_startblock; + __entry->i3_blockcount = i3->rc_blockcount; + __entry->i3_refcount = i3->rc_refcount; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u -- " + "agbno %u len %u refcount %u -- " + "agbno %u len %u refcount %u\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->i1_startblock, + __entry->i1_blockcount, + __entry->i1_refcount, + __entry->i2_startblock, + __entry->i2_blockcount, + __entry->i2_refcount, + __entry->i3_startblock, + __entry->i3_blockcount, + __entry->i3_refcount) +); + +#define DEFINE_REFCOUNT_TRIPLE_EXTENT_EVENT(name) \ +DEFINE_EVENT(xfs_refcount_triple_extent_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2, \ + struct xfs_refcount_irec *i3), \ + TP_ARGS(mp, agno, i1, i2, i3)) + +/* refcount btree tracepoints */ +DEFINE_BUSY_EVENT(xfs_refcountbt_alloc_block); +DEFINE_BUSY_EVENT(xfs_refcountbt_free_block); +DEFINE_AG_BTREE_LOOKUP_EVENT(xfs_refcountbt_lookup); +DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcountbt_get); +DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcountbt_update); +DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcountbt_insert); +DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcountbt_delete); +DEFINE_AG_ERROR_EVENT(xfs_refcountbt_insert_error); +DEFINE_AG_ERROR_EVENT(xfs_refcountbt_delete_error); +DEFINE_AG_ERROR_EVENT(xfs_refcountbt_update_error); + +/* refcount adjustment tracepoints */ +DEFINE_AG_EXTENT_EVENT(xfs_refcount_increase); +DEFINE_AG_EXTENT_EVENT(xfs_refcount_decrease); +DEFINE_REFCOUNT_TRIPLE_EXTENT_EVENT(xfs_refcount_merge_center_extents); +DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcount_modify_extent); +DEFINE_REFCOUNT_EXTENT_AT_EVENT(xfs_refcount_split_extent); +DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_merge_left_extent); +DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_merge_right_extent); +DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(xfs_refcount_find_left_extent); +DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(xfs_refcount_find_right_extent); +DEFINE_AG_ERROR_EVENT(xfs_refcount_adjust_error); +DEFINE_AG_ERROR_EVENT(xfs_refcount_merge_center_extents_error); +DEFINE_AG_ERROR_EVENT(xfs_refcount_modify_extent_error); +DEFINE_AG_ERROR_EVENT(xfs_refcount_split_extent_error); +DEFINE_AG_ERROR_EVENT(xfs_refcount_merge_left_extent_error); +DEFINE_AG_ERROR_EVENT(xfs_refcount_merge_right_extent_error); +DEFINE_AG_ERROR_EVENT(xfs_refcount_find_left_extent_error); +DEFINE_AG_ERROR_EVENT(xfs_refcount_find_right_extent_error); +DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_rec_order_error); + +/* reflink helpers */ +DEFINE_AG_EXTENT_EVENT(xfs_refcount_find_shared); +DEFINE_AG_EXTENT_EVENT(xfs_refcount_find_shared_result); +DEFINE_AG_ERROR_EVENT(xfs_refcount_find_shared_error); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:23:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 110867DD4 for ; Thu, 16 Jun 2016 20:23:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D47AB8F804B for ; Thu, 16 Jun 2016 18:23:48 -0700 (PDT) X-ASG-Debug-ID: 1466126626-04cbb01fed69700001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 2XfKrGDVI5GAKErS (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:46 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1NgSp027574 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:42 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Nesv008756 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:40 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NdEO024120; Fri, 17 Jun 2016 01:23:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:39 -0700 Subject: [PATCH 054/119] xfs: introduce refcount btree definitions From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 054/119] xfs: introduce refcount btree definitions To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:23:37 -0700 Message-ID: <146612661755.12839.13699464885618790847.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126626 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9262 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add new per-AG refcount btree definitions to the per-AG structures. v2: Move the reflink inode flag out of the way of the DAX flag, and add the new cowextsize flag. v3: Don't allow pNFS to export reflinked files; this will be removed some day when the Linux pNFS server supports it. [hch: don't allow pNFS export of reflinked files] [darrick: fix the feature test in hch's patch] Signed-off-by: Darrick J. Wong Signed-off-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_alloc.c | 5 +++++ fs/xfs/libxfs/xfs_btree.c | 5 +++-- fs/xfs/libxfs/xfs_btree.h | 3 +++ fs/xfs/libxfs/xfs_format.h | 29 ++++++++++++++++++++++++++--- fs/xfs/libxfs/xfs_rmap_btree.c | 7 +++++-- fs/xfs/libxfs/xfs_types.h | 2 +- fs/xfs/xfs_inode.h | 5 +++++ fs/xfs/xfs_mount.h | 3 +++ fs/xfs/xfs_pnfs.c | 7 +++++++ 9 files changed, 58 insertions(+), 8 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 5f05c4e..9009b1f 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2448,6 +2448,10 @@ xfs_agf_verify( be32_to_cpu(agf->agf_btreeblks) > be32_to_cpu(agf->agf_length)) return false; + if (xfs_sb_version_hasreflink(&mp->m_sb) && + be32_to_cpu(agf->agf_refcount_level) > XFS_BTREE_MAXLEVELS) + return false; + return true;; } @@ -2568,6 +2572,7 @@ xfs_alloc_read_agf( be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]); pag->pagf_levels[XFS_BTNUM_RMAPi] = be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAPi]); + pag->pagf_refcount_level = be32_to_cpu(agf->agf_refcount_level); spin_lock_init(&pag->pagb_lock); pag->pagb_count = 0; #ifdef __KERNEL__ diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 50b2c32..1593239 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -45,9 +45,10 @@ kmem_zone_t *xfs_btree_cur_zone; */ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, 0, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, - XFS_FIBT_MAGIC }, + XFS_FIBT_MAGIC, 0 }, { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, XFS_RMAP_CRC_MAGIC, - XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC } + XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC, + XFS_REFC_CRC_MAGIC } }; #define xfs_btree_magic(cur) \ xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 6fa13a9..9b5a921 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -66,6 +66,7 @@ union xfs_btree_rec { #define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi) #define XFS_BTNUM_FINO ((xfs_btnum_t)XFS_BTNUM_FINOi) #define XFS_BTNUM_RMAP ((xfs_btnum_t)XFS_BTNUM_RMAPi) +#define XFS_BTNUM_REFC ((xfs_btnum_t)XFS_BTNUM_REFCi) /* * For logging record fields. @@ -99,6 +100,7 @@ do { \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \ + case XFS_BTNUM_REFC: break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -121,6 +123,7 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ case XFS_BTNUM_RMAP: \ __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \ + case XFS_BTNUM_REFC: break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 1b08237..63a97a9 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -456,6 +456,7 @@ xfs_sb_has_compat_feature( #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ #define XFS_SB_FEAT_RO_COMPAT_RMAPBT (1 << 1) /* reverse map btree */ +#define XFS_SB_FEAT_RO_COMPAT_REFLINK (1 << 2) /* reflinked files */ #define XFS_SB_FEAT_RO_COMPAT_ALL \ (XFS_SB_FEAT_RO_COMPAT_FINOBT | \ XFS_SB_FEAT_RO_COMPAT_RMAPBT) @@ -546,6 +547,12 @@ static inline bool xfs_sb_version_hasrmapbt(struct xfs_sb *sbp) (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_RMAPBT); } +static inline bool xfs_sb_version_hasreflink(struct xfs_sb *sbp) +{ + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && + (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_REFLINK); +} + /* * end of superblock version macros */ @@ -640,12 +647,15 @@ typedef struct xfs_agf { __be32 agf_btreeblks; /* # of blocks held in AGF btrees */ uuid_t agf_uuid; /* uuid of filesystem */ + __be32 agf_refcount_root; /* refcount tree root block */ + __be32 agf_refcount_level; /* refcount btree levels */ + /* * reserve some contiguous space for future logged fields before we add * the unlogged fields. This makes the range logging via flags and * structure offsets much simpler. */ - __be64 agf_spare64[16]; + __be64 agf_spare64[15]; /* unlogged fields, written during buffer writeback. */ __be64 agf_lsn; /* last write sequence */ @@ -1033,9 +1043,14 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev) * 16 bits of the XFS_XFLAG_s range. */ #define XFS_DIFLAG2_DAX_BIT 0 /* use DAX for this inode */ +#define XFS_DIFLAG2_REFLINK_BIT 1 /* file's blocks may be shared */ +#define XFS_DIFLAG2_COWEXTSIZE_BIT 2 /* copy on write extent size hint */ #define XFS_DIFLAG2_DAX (1 << XFS_DIFLAG2_DAX_BIT) +#define XFS_DIFLAG2_REFLINK (1 << XFS_DIFLAG2_REFLINK_BIT) +#define XFS_DIFLAG2_COWEXTSIZE (1 << XFS_DIFLAG2_COWEXTSIZE_BIT) -#define XFS_DIFLAG2_ANY (XFS_DIFLAG2_DAX) +#define XFS_DIFLAG2_ANY \ + (XFS_DIFLAG2_DAX | XFS_DIFLAG2_REFLINK | XFS_DIFLAG2_COWEXTSIZE) /* * Inode number format: @@ -1382,7 +1397,8 @@ xfs_rmap_ino_owner( #define XFS_RMAP_OWN_AG (-5ULL) /* AG freespace btree blocks */ #define XFS_RMAP_OWN_INOBT (-6ULL) /* Inode btree blocks */ #define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ -#define XFS_RMAP_OWN_MIN (-8ULL) /* guard */ +#define XFS_RMAP_OWN_REFC (-8ULL) /* refcount tree */ +#define XFS_RMAP_OWN_MIN (-9ULL) /* guard */ #define XFS_RMAP_NON_INODE_OWNER(owner) (!!((owner) & (1ULL << 63))) @@ -1530,6 +1546,13 @@ xfs_owner_info_pack( } /* + * Reference Count Btree format definitions + * + */ +#define XFS_REFC_CRC_MAGIC 0x52334643 /* 'R3FC' */ + + +/* * BMAP Btree format definitions * * This includes both the root block definition that sits inside an inode fork diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 9adb930..090dbbe 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -475,6 +475,9 @@ void xfs_rmapbt_compute_maxlevels( struct xfs_mount *mp) { - mp->m_rmap_maxlevels = xfs_btree_compute_maxlevels(mp, - mp->m_rmap_mnr, mp->m_sb.sb_agblocks); + if (xfs_sb_version_hasreflink(&mp->m_sb)) + mp->m_rmap_maxlevels = XFS_BTREE_MAXLEVELS; + else + mp->m_rmap_maxlevels = xfs_btree_compute_maxlevels(mp, + mp->m_rmap_mnr, mp->m_sb.sb_agblocks); } diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h index da87796..690d616 100644 --- a/fs/xfs/libxfs/xfs_types.h +++ b/fs/xfs/libxfs/xfs_types.h @@ -112,7 +112,7 @@ typedef enum { typedef enum { XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_RMAPi, XFS_BTNUM_BMAPi, - XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_MAX + XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_REFCi, XFS_BTNUM_MAX } xfs_btnum_t; struct xfs_name { diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 633f2af..d0ea6ff 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -202,6 +202,11 @@ xfs_get_initial_prid(struct xfs_inode *dp) return XFS_PROJID_DEFAULT; } +static inline bool xfs_is_reflink_inode(struct xfs_inode *ip) +{ + return ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK; +} + /* * In-core inode flags. */ diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index e18d74e..823ee63 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -391,6 +391,9 @@ typedef struct xfs_perag { struct xfs_ag_resv pag_meta_resv; /* Blocks reserved for just AGFL-based metadata. */ struct xfs_ag_resv pag_agfl_resv; + + /* reference count */ + __uint8_t pagf_refcount_level; } xfs_perag_t; static inline struct xfs_ag_resv * diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c index d5b7566..b21f532 100644 --- a/fs/xfs/xfs_pnfs.c +++ b/fs/xfs/xfs_pnfs.c @@ -139,6 +139,13 @@ xfs_fs_map_blocks( return -ENXIO; /* + * The pNFS block layout spec actually supports reflink like + * functionality, but the Linux pNFS server doesn't implement it yet. + */ + if (xfs_is_reflink_inode(ip)) + return -ENXIO; + + /* * Lock out any other I/O before we flush and invalidate the pagecache, * and then hand out a layout to the remote system. This is very * similar to direct I/O, except that the synchronization is much more From darrick.wong@oracle.com Thu Jun 16 20:23:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2D9FC7DF9 for ; Thu, 16 Jun 2016 20:23:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id E28A1304039 for ; Thu, 16 Jun 2016 18:23:50 -0700 (PDT) X-ASG-Debug-ID: 1466126629-04bdf01e1795aa0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id cDrPpzcfq0blw1Sl (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:49 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Nkb5008296 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:47 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NkWD008806 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:46 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NjuE019776; Fri, 17 Jun 2016 01:23:46 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:45 -0700 Subject: [PATCH 055/119] xfs: add refcount btree stats infrastructure From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 055/119] xfs: add refcount btree stats infrastructure To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:23:44 -0700 Message-ID: <146612662397.12839.11882093928585610827.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126629 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2941 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines The refcount btree presents the same stats as the other btrees, so add all the code for that now. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_btree.h | 5 +++-- fs/xfs/xfs_stats.c | 1 + fs/xfs/xfs_stats.h | 18 +++++++++++++++++- 3 files changed, 21 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 9b5a921..93e761e 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -100,7 +100,7 @@ do { \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \ - case XFS_BTNUM_REFC: break; \ + case XFS_BTNUM_REFC: __XFS_BTREE_STATS_INC(__mp, refcbt, stat); break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -123,7 +123,8 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ case XFS_BTNUM_RMAP: \ __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \ - case XFS_BTNUM_REFC: break; \ + case XFS_BTNUM_REFC: \ + __XFS_BTREE_STATS_ADD(__mp, refcbt, stat, val); break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c index f04f547..e447deb 100644 --- a/fs/xfs/xfs_stats.c +++ b/fs/xfs/xfs_stats.c @@ -62,6 +62,7 @@ int xfs_stats_format(struct xfsstats __percpu *stats, char *buf) { "ibt2", XFSSTAT_END_IBT_V2 }, { "fibt2", XFSSTAT_END_FIBT_V2 }, { "rmapbt", XFSSTAT_END_RMAP_V2 }, + { "refcntbt", XFSSTAT_END_REFCOUNT }, /* we print both series of quota information together */ { "qm", XFSSTAT_END_QM }, }; diff --git a/fs/xfs/xfs_stats.h b/fs/xfs/xfs_stats.h index 657865f..79ad2e6 100644 --- a/fs/xfs/xfs_stats.h +++ b/fs/xfs/xfs_stats.h @@ -213,7 +213,23 @@ struct xfsstats { __uint32_t xs_rmap_2_alloc; __uint32_t xs_rmap_2_free; __uint32_t xs_rmap_2_moves; -#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_RMAP_V2+6) +#define XFSSTAT_END_REFCOUNT (XFSSTAT_END_RMAP_V2 + 15) + __uint32_t xs_refcbt_2_lookup; + __uint32_t xs_refcbt_2_compare; + __uint32_t xs_refcbt_2_insrec; + __uint32_t xs_refcbt_2_delrec; + __uint32_t xs_refcbt_2_newroot; + __uint32_t xs_refcbt_2_killroot; + __uint32_t xs_refcbt_2_increment; + __uint32_t xs_refcbt_2_decrement; + __uint32_t xs_refcbt_2_lshift; + __uint32_t xs_refcbt_2_rshift; + __uint32_t xs_refcbt_2_split; + __uint32_t xs_refcbt_2_join; + __uint32_t xs_refcbt_2_alloc; + __uint32_t xs_refcbt_2_free; + __uint32_t xs_refcbt_2_moves; +#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_REFCOUNT + 6) __uint32_t xs_qm_dqreclaims; __uint32_t xs_qm_dqreclaim_misses; __uint32_t xs_qm_dquot_dups; From darrick.wong@oracle.com Thu Jun 16 20:23:57 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D20697E0B for ; Thu, 16 Jun 2016 20:23:57 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 58CF9AC003 for ; Thu, 16 Jun 2016 18:23:57 -0700 (PDT) X-ASG-Debug-ID: 1466126635-04cb6c542457600001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id rFzwrFU8wB6ls7ek (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:23:55 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1NrwZ008343 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:53 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NrJY015682 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:23:53 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1NqH6019833; Fri, 17 Jun 2016 01:23:52 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:51 -0700 Subject: [PATCH 056/119] xfs: refcount btree add more reserved blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 056/119] xfs: refcount btree add more reserved blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:23:50 -0700 Message-ID: <146612663025.12839.7110368805724068545.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126635 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1636 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Since XFS reserves a small amount of space in each AG as the minimum free space needed for an operation, save some more space in case we touch the refcount btree. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 13 +++++++++++++ fs/xfs/libxfs/xfs_format.h | 2 ++ 2 files changed, 15 insertions(+) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 9009b1f..14f8a69d 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -52,10 +52,23 @@ STATIC int xfs_alloc_ag_vextent_size(xfs_alloc_arg_t *); STATIC int xfs_alloc_ag_vextent_small(xfs_alloc_arg_t *, xfs_btree_cur_t *, xfs_agblock_t *, xfs_extlen_t *, int *); +unsigned int +xfs_refc_block( + struct xfs_mount *mp) +{ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + return XFS_RMAP_BLOCK(mp) + 1; + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + return XFS_FIBT_BLOCK(mp) + 1; + return XFS_IBT_BLOCK(mp) + 1; +} + xfs_extlen_t xfs_prealloc_blocks( struct xfs_mount *mp) { + if (xfs_sb_version_hasreflink(&mp->m_sb)) + return xfs_refc_block(mp) + 1; if (xfs_sb_version_hasrmapbt(&mp->m_sb)) return XFS_RMAP_BLOCK(mp) + 1; if (xfs_sb_version_hasfinobt(&mp->m_sb)) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 63a97a9..adeeb08 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1551,6 +1551,8 @@ xfs_owner_info_pack( */ #define XFS_REFC_CRC_MAGIC 0x52334643 /* 'R3FC' */ +unsigned int xfs_refc_block(struct xfs_mount *mp); + /* * BMAP Btree format definitions From darrick.wong@oracle.com Thu Jun 16 20:24:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 382C57CB5 for ; Thu, 16 Jun 2016 20:24:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id E904130404E for ; Thu, 16 Jun 2016 18:24:07 -0700 (PDT) X-ASG-Debug-ID: 1466126644-04bdf01e1795ac0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id pbC8eS0fDJwafyU4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:04 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1O0eH027697 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:00 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1O0or020074 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:00 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Nwg0019887; Fri, 17 Jun 2016 01:23:58 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:23:58 -0700 Subject: [PATCH 057/119] xfs: define the on-disk refcount btree format From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 057/119] xfs: define the on-disk refcount btree format To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:23:56 -0700 Message-ID: <146612663650.12839.17431740697281020048.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126644 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 18584 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Start constructing the refcount btree implementation by establishing the on-disk format and everything needed to read, write, and manipulate the refcount btree blocks. v2: Calculate a separate maxlevels for the refcount btree. v3: Enable the tracking of per-cursor stats for refcount btrees. The refcount update code will use this to guess if it's time to split a refcountbt update across two transactions to avoid exhausing the transaction reservation. xfs_refcountbt_init_cursor can be called under the ilock, so use KM_NOFS to prevent fs activity with a lock held. This should shut up some of the lockdep warnings. Signed-off-by: Darrick J. Wong [hch: allocate the cursor with KM_NOFS to quiet lockdep] Signed-off-by: Christoph Hellwig --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_btree.c | 3 + fs/xfs/libxfs/xfs_btree.h | 12 ++ fs/xfs/libxfs/xfs_format.h | 32 ++++++ fs/xfs/libxfs/xfs_refcount_btree.c | 178 ++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_refcount_btree.h | 67 ++++++++++++++ fs/xfs/libxfs/xfs_sb.c | 9 ++ fs/xfs/libxfs/xfs_shared.h | 2 fs/xfs/libxfs/xfs_trans_resv.c | 2 fs/xfs/libxfs/xfs_trans_resv.h | 1 fs/xfs/xfs_mount.c | 2 fs/xfs/xfs_mount.h | 3 + fs/xfs/xfs_ondisk.h | 3 + fs/xfs/xfs_trace.h | 11 -- 14 files changed, 315 insertions(+), 11 deletions(-) create mode 100644 fs/xfs/libxfs/xfs_refcount_btree.c create mode 100644 fs/xfs/libxfs/xfs_refcount_btree.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index c7a864e..3f579af 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -55,6 +55,7 @@ xfs-y += $(addprefix libxfs/, \ xfs_ag_resv.o \ xfs_rmap.o \ xfs_rmap_btree.o \ + xfs_refcount_btree.o \ xfs_sb.o \ xfs_symlink_remote.o \ xfs_trans_resv.o \ diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 1593239..9c84184 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -1214,6 +1214,9 @@ xfs_btree_set_refs( case XFS_BTNUM_RMAP: xfs_buf_set_ref(bp, XFS_RMAP_BTREE_REF); break; + case XFS_BTNUM_REFC: + xfs_buf_set_ref(bp, XFS_REFC_BTREE_REF); + break; default: ASSERT(0); } diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index 93e761e..dbf299f 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -43,6 +43,7 @@ union xfs_btree_key { xfs_alloc_key_t alloc; struct xfs_inobt_key inobt; struct xfs_rmap_key rmap; + struct xfs_refcount_key refc; }; union xfs_btree_rec { @@ -51,6 +52,7 @@ union xfs_btree_rec { struct xfs_alloc_rec alloc; struct xfs_inobt_rec inobt; struct xfs_rmap_rec rmap; + struct xfs_refcount_rec refc; }; /* @@ -221,6 +223,15 @@ union xfs_btree_irec { xfs_bmbt_irec_t b; xfs_inobt_rec_incore_t i; struct xfs_rmap_irec r; + struct xfs_refcount_irec rc; +}; + +/* Per-AG btree private information. */ +union xfs_btree_cur_private { + struct { + unsigned long nr_ops; /* # record updates */ + int shape_changes; /* # of extent splits */ + } refc; }; /* @@ -247,6 +258,7 @@ typedef struct xfs_btree_cur struct xfs_buf *agbp; /* agf/agi buffer pointer */ struct xfs_defer_ops *dfops; /* deferred updates */ xfs_agnumber_t agno; /* ag number */ + union xfs_btree_cur_private priv; } a; struct { /* needed for BMAP */ struct xfs_inode *ip; /* pointer to our inode */ diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index adeeb08..3b0cae2 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1553,6 +1553,38 @@ xfs_owner_info_pack( unsigned int xfs_refc_block(struct xfs_mount *mp); +/* + * Data record/key structure + * + * Each record associates a range of physical blocks (starting at + * rc_startblock and ending rc_blockcount blocks later) with a + * reference count (rc_refcount). A record is only stored in the + * btree if the refcount is > 2. An entry in the free block btree + * means that the refcount is 0, and no entries anywhere means that + * the refcount is 1, as was true in XFS before reflinking. + */ +struct xfs_refcount_rec { + __be32 rc_startblock; /* starting block number */ + __be32 rc_blockcount; /* count of blocks */ + __be32 rc_refcount; /* number of inodes linked here */ +}; + +struct xfs_refcount_key { + __be32 rc_startblock; /* starting block number */ +}; + +struct xfs_refcount_irec { + xfs_agblock_t rc_startblock; /* starting block number */ + xfs_extlen_t rc_blockcount; /* count of free blocks */ + xfs_nlink_t rc_refcount; /* number of inodes linked here */ +}; + +#define MAXREFCOUNT ((xfs_nlink_t)~0U) +#define MAXREFCEXTLEN ((xfs_extlen_t)~0U) + +/* btree pointer type */ +typedef __be32 xfs_refcount_ptr_t; + /* * BMAP Btree format definitions diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c new file mode 100644 index 0000000..359cf0c --- /dev/null +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -0,0 +1,178 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_btree.h" +#include "xfs_bmap.h" +#include "xfs_refcount_btree.h" +#include "xfs_alloc.h" +#include "xfs_error.h" +#include "xfs_trace.h" +#include "xfs_cksum.h" +#include "xfs_trans.h" +#include "xfs_bit.h" + +static struct xfs_btree_cur * +xfs_refcountbt_dup_cursor( + struct xfs_btree_cur *cur) +{ + return xfs_refcountbt_init_cursor(cur->bc_mp, cur->bc_tp, + cur->bc_private.a.agbp, cur->bc_private.a.agno, + cur->bc_private.a.dfops); +} + +STATIC bool +xfs_refcountbt_verify( + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); + struct xfs_perag *pag = bp->b_pag; + unsigned int level; + + if (block->bb_magic != cpu_to_be32(XFS_REFC_CRC_MAGIC)) + return false; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return false; + if (!xfs_btree_sblock_v5hdr_verify(bp)) + return false; + + level = be16_to_cpu(block->bb_level); + if (pag && pag->pagf_init) { + if (level >= pag->pagf_refcount_level) + return false; + } else if (level >= mp->m_refc_maxlevels) + return false; + + return xfs_btree_sblock_verify(bp, mp->m_refc_mxr[level != 0]); +} + +STATIC void +xfs_refcountbt_read_verify( + struct xfs_buf *bp) +{ + if (!xfs_btree_sblock_verify_crc(bp)) + xfs_buf_ioerror(bp, -EFSBADCRC); + else if (!xfs_refcountbt_verify(bp)) + xfs_buf_ioerror(bp, -EFSCORRUPTED); + + if (bp->b_error) { + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_verifier_error(bp); + } +} + +STATIC void +xfs_refcountbt_write_verify( + struct xfs_buf *bp) +{ + if (!xfs_refcountbt_verify(bp)) { + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_buf_ioerror(bp, -EFSCORRUPTED); + xfs_verifier_error(bp); + return; + } + xfs_btree_sblock_calc_crc(bp); + +} + +const struct xfs_buf_ops xfs_refcountbt_buf_ops = { + .name = "xfs_refcountbt", + .verify_read = xfs_refcountbt_read_verify, + .verify_write = xfs_refcountbt_write_verify, +}; + +static const struct xfs_btree_ops xfs_refcountbt_ops = { + .rec_len = sizeof(struct xfs_refcount_rec), + .key_len = sizeof(struct xfs_refcount_key), + + .dup_cursor = xfs_refcountbt_dup_cursor, + .buf_ops = &xfs_refcountbt_buf_ops, +}; + +/* + * Allocate a new refcount btree cursor. + */ +struct xfs_btree_cur * +xfs_refcountbt_init_cursor( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agnumber_t agno, + struct xfs_defer_ops *dfops) +{ + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + struct xfs_btree_cur *cur; + + ASSERT(agno != NULLAGNUMBER); + ASSERT(agno < mp->m_sb.sb_agcount); + cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_NOFS); + + cur->bc_tp = tp; + cur->bc_mp = mp; + cur->bc_btnum = XFS_BTNUM_REFC; + cur->bc_blocklog = mp->m_sb.sb_blocklog; + cur->bc_ops = &xfs_refcountbt_ops; + + cur->bc_nlevels = be32_to_cpu(agf->agf_refcount_level); + + cur->bc_private.a.agbp = agbp; + cur->bc_private.a.agno = agno; + cur->bc_private.a.dfops = dfops; + cur->bc_flags |= XFS_BTREE_CRC_BLOCKS; + + cur->bc_private.a.priv.refc.nr_ops = 0; + cur->bc_private.a.priv.refc.shape_changes = 0; + + return cur; +} + +/* + * Calculate the number of records in a refcount btree block. + */ +int +xfs_refcountbt_maxrecs( + struct xfs_mount *mp, + int blocklen, + bool leaf) +{ + blocklen -= XFS_REFCOUNT_BLOCK_LEN; + + if (leaf) + return blocklen / sizeof(struct xfs_refcount_rec); + return blocklen / (sizeof(struct xfs_refcount_key) + + sizeof(xfs_refcount_ptr_t)); +} + +/* Compute the maximum height of a refcount btree. */ +void +xfs_refcountbt_compute_maxlevels( + struct xfs_mount *mp) +{ + mp->m_refc_maxlevels = xfs_btree_compute_maxlevels(mp, + mp->m_refc_mnr, mp->m_sb.sb_agblocks); +} diff --git a/fs/xfs/libxfs/xfs_refcount_btree.h b/fs/xfs/libxfs/xfs_refcount_btree.h new file mode 100644 index 0000000..9e9ad7c --- /dev/null +++ b/fs/xfs/libxfs/xfs_refcount_btree.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_REFCOUNT_BTREE_H__ +#define __XFS_REFCOUNT_BTREE_H__ + +/* + * Reference Count Btree on-disk structures + */ + +struct xfs_buf; +struct xfs_btree_cur; +struct xfs_mount; + +/* + * Btree block header size + */ +#define XFS_REFCOUNT_BLOCK_LEN XFS_BTREE_SBLOCK_CRC_LEN + +/* + * Record, key, and pointer address macros for btree blocks. + * + * (note that some of these may appear unused, but they are used in userspace) + */ +#define XFS_REFCOUNT_REC_ADDR(block, index) \ + ((struct xfs_refcount_rec *) \ + ((char *)(block) + \ + XFS_REFCOUNT_BLOCK_LEN + \ + (((index) - 1) * sizeof(struct xfs_refcount_rec)))) + +#define XFS_REFCOUNT_KEY_ADDR(block, index) \ + ((struct xfs_refcount_key *) \ + ((char *)(block) + \ + XFS_REFCOUNT_BLOCK_LEN + \ + ((index) - 1) * sizeof(struct xfs_refcount_key))) + +#define XFS_REFCOUNT_PTR_ADDR(block, index, maxrecs) \ + ((xfs_refcount_ptr_t *) \ + ((char *)(block) + \ + XFS_REFCOUNT_BLOCK_LEN + \ + (maxrecs) * sizeof(struct xfs_refcount_key) + \ + ((index) - 1) * sizeof(xfs_refcount_ptr_t))) + +extern struct xfs_btree_cur *xfs_refcountbt_init_cursor(struct xfs_mount *mp, + struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, + struct xfs_defer_ops *dfops); +extern int xfs_refcountbt_maxrecs(struct xfs_mount *mp, int blocklen, + bool leaf); +extern void xfs_refcountbt_compute_maxlevels(struct xfs_mount *mp); + +#endif /* __XFS_REFCOUNT_BTREE_H__ */ diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 59c9f59..a937071 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -38,6 +38,8 @@ #include "xfs_ialloc_btree.h" #include "xfs_log.h" #include "xfs_rmap_btree.h" +#include "xfs_bmap.h" +#include "xfs_refcount_btree.h" /* * Physical superblock buffer manipulations. Shared with libxfs in userspace. @@ -740,6 +742,13 @@ xfs_sb_mount_common( mp->m_rmap_mnr[0] = mp->m_rmap_mxr[0] / 2; mp->m_rmap_mnr[1] = mp->m_rmap_mxr[1] / 2; + mp->m_refc_mxr[0] = xfs_refcountbt_maxrecs(mp, sbp->sb_blocksize, + true); + mp->m_refc_mxr[1] = xfs_refcountbt_maxrecs(mp, sbp->sb_blocksize, + false); + mp->m_refc_mnr[0] = mp->m_refc_mxr[0] / 2; + mp->m_refc_mnr[1] = mp->m_refc_mxr[1] / 2; + mp->m_bsize = XFS_FSB_TO_BB(mp, 1); mp->m_ialloc_inos = (int)MAX((__uint16_t)XFS_INODES_PER_CHUNK, sbp->sb_inopblock); diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h index 0c5b30b..c6f4eb4 100644 --- a/fs/xfs/libxfs/xfs_shared.h +++ b/fs/xfs/libxfs/xfs_shared.h @@ -39,6 +39,7 @@ extern const struct xfs_buf_ops xfs_agf_buf_ops; extern const struct xfs_buf_ops xfs_agfl_buf_ops; extern const struct xfs_buf_ops xfs_allocbt_buf_ops; extern const struct xfs_buf_ops xfs_rmapbt_buf_ops; +extern const struct xfs_buf_ops xfs_refcountbt_buf_ops; extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops; extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops; extern const struct xfs_buf_ops xfs_bmbt_buf_ops; @@ -122,6 +123,7 @@ int xfs_log_calc_minimum_size(struct xfs_mount *); #define XFS_INO_REF 2 #define XFS_ATTR_BTREE_REF 1 #define XFS_DQUOT_REF 1 +#define XFS_REFC_BTREE_REF 1 /* * Flags for xfs_trans_ichgtime(). diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c index 301ef2f..7c840e1 100644 --- a/fs/xfs/libxfs/xfs_trans_resv.c +++ b/fs/xfs/libxfs/xfs_trans_resv.c @@ -73,7 +73,7 @@ xfs_calc_buf_res( * * Keep in mind that max depth is calculated separately for each type of tree. */ -static uint +uint xfs_allocfree_log_count( struct xfs_mount *mp, uint num_ops) diff --git a/fs/xfs/libxfs/xfs_trans_resv.h b/fs/xfs/libxfs/xfs_trans_resv.h index 0eb46ed..36a1511 100644 --- a/fs/xfs/libxfs/xfs_trans_resv.h +++ b/fs/xfs/libxfs/xfs_trans_resv.h @@ -102,5 +102,6 @@ struct xfs_trans_resv { #define XFS_ATTRRM_LOG_COUNT 3 void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp); +uint xfs_allocfree_log_count(struct xfs_mount *mp, uint num_ops); #endif /* __XFS_TRANS_RESV_H__ */ diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 879f3ef..48b8b1e 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -43,6 +43,7 @@ #include "xfs_icache.h" #include "xfs_sysfs.h" #include "xfs_rmap_btree.h" +#include "xfs_refcount_btree.h" static DEFINE_MUTEX(xfs_uuid_table_mutex); @@ -682,6 +683,7 @@ xfs_mountfs( xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK); xfs_ialloc_compute_maxlevels(mp); xfs_rmapbt_compute_maxlevels(mp); + xfs_refcountbt_compute_maxlevels(mp); xfs_set_maxicount(mp); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 823ee63..a516a1f 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -118,10 +118,13 @@ typedef struct xfs_mount { uint m_inobt_mnr[2]; /* min inobt btree records */ uint m_rmap_mxr[2]; /* max rmap btree records */ uint m_rmap_mnr[2]; /* min rmap btree records */ + uint m_refc_mxr[2]; /* max refc btree records */ + uint m_refc_mnr[2]; /* min refc btree records */ uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ uint m_in_maxlevels; /* max inobt btree levels. */ uint m_rmap_maxlevels; /* max rmap btree levels */ + uint m_refc_maxlevels; /* max refcount btree level */ xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ uint m_alloc_set_aside; /* space we can't use */ uint m_ag_max_usable; /* max space per AG */ diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index 48d544f..3742216 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -47,6 +47,8 @@ xfs_check_ondisk_structs(void) XFS_CHECK_STRUCT_SIZE(struct xfs_dsymlink_hdr, 56); XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_key, 4); XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_rec, 16); + XFS_CHECK_STRUCT_SIZE(struct xfs_refcount_key, 4); + XFS_CHECK_STRUCT_SIZE(struct xfs_refcount_rec, 12); XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_key, 20); XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_rec, 24); XFS_CHECK_STRUCT_SIZE(struct xfs_timestamp, 8); @@ -54,6 +56,7 @@ xfs_check_ondisk_structs(void) XFS_CHECK_STRUCT_SIZE(xfs_alloc_ptr_t, 4); XFS_CHECK_STRUCT_SIZE(xfs_alloc_rec_t, 8); XFS_CHECK_STRUCT_SIZE(xfs_inobt_ptr_t, 4); + XFS_CHECK_STRUCT_SIZE(xfs_refcount_ptr_t, 4); XFS_CHECK_STRUCT_SIZE(xfs_rmap_ptr_t, 4); /* dir/attr trees */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 6ed7cbf..67ce2d8 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -39,16 +39,7 @@ struct xfs_buf_log_format; struct xfs_inode_log_format; struct xfs_bmbt_irec; struct xfs_btree_cur; - -#ifndef XFS_REFCOUNT_IREC_PLACEHOLDER -#define XFS_REFCOUNT_IREC_PLACEHOLDER -/* Placeholder definition to avoid breaking bisectability. */ -struct xfs_refcount_irec { - xfs_agblock_t rc_startblock; /* starting block number */ - xfs_extlen_t rc_blockcount; /* count of free blocks */ - xfs_nlink_t rc_refcount; /* number of inodes linked here */ -}; -#endif +struct xfs_refcount_irec; DECLARE_EVENT_CLASS(xfs_attr_list_class, TP_PROTO(struct xfs_attr_list_context *ctx), From darrick.wong@oracle.com Thu Jun 16 20:24:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BDECD7DE8 for ; Thu, 16 Jun 2016 20:24:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 85573304039 for ; Thu, 16 Jun 2016 18:24:15 -0700 (PDT) X-ASG-Debug-ID: 1466126654-04cb6c5426576c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id InCu555HPgnkIAie (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:14 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1O5ds027934 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:06 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1O5F8020400 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:05 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1O4Da024222; Fri, 17 Jun 2016 01:24:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:04 -0700 Subject: [PATCH 058/119] xfs: add refcount btree support to growfs From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 058/119] xfs: add refcount btree support to growfs To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:03 -0700 Message-ID: <146612664301.12839.559089610866542364.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126654 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2019 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Modify the growfs code to initialize new refcount btree blocks. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_fsops.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index cd4de75..3c1ded1 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -257,6 +257,11 @@ xfs_growfs_data_private( agf->agf_longest = cpu_to_be32(tmpsize); if (xfs_sb_version_hascrc(&mp->m_sb)) uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid); + if (xfs_sb_version_hasreflink(&mp->m_sb)) { + agf->agf_refcount_root = cpu_to_be32( + xfs_refc_block(mp)); + agf->agf_refcount_level = cpu_to_be32(1); + } error = xfs_bwrite(bp); xfs_buf_relse(bp); @@ -448,6 +453,17 @@ xfs_growfs_data_private( rrec->rm_offset = 0; be16_add_cpu(&block->bb_numrecs, 1); + /* account for refc btree root */ + if (xfs_sb_version_hasreflink(&mp->m_sb)) { + rrec = XFS_RMAP_REC_ADDR(block, 5); + rrec->rm_startblock = cpu_to_be32( + xfs_refc_block(mp)); + rrec->rm_blockcount = cpu_to_be32(1); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_REFC); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + } + error = xfs_bwrite(bp); xfs_buf_relse(bp); if (error) @@ -505,6 +521,28 @@ xfs_growfs_data_private( goto error0; } + /* + * refcount btree root block + */ + if (xfs_sb_version_hasreflink(&mp->m_sb)) { + bp = xfs_growfs_get_hdr_buf(mp, + XFS_AGB_TO_DADDR(mp, agno, xfs_refc_block(mp)), + BTOBB(mp->m_sb.sb_blocksize), 0, + &xfs_refcountbt_buf_ops); + if (!bp) { + error = -ENOMEM; + goto error0; + } + + xfs_btree_init_block(mp, bp, XFS_REFC_CRC_MAGIC, + 0, 0, agno, + XFS_BTREE_CRC_BLOCKS); + + error = xfs_bwrite(bp); + xfs_buf_relse(bp); + if (error) + goto error0; + } } xfs_trans_agblocks_delta(tp, nfree); /* From darrick.wong@oracle.com Thu Jun 16 20:24:16 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9C9F87DE8 for ; Thu, 16 Jun 2016 20:24:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6479B304039 for ; Thu, 16 Jun 2016 18:24:16 -0700 (PDT) X-ASG-Debug-ID: 1466126655-04cbb01fed69750001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id VXh6Y7fMDShHBf8O (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:15 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1OCXL028064 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:12 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1OCtS009615 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:12 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1OBoP019956; Fri, 17 Jun 2016 01:24:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:10 -0700 Subject: [PATCH 059/119] xfs: account for the refcount btree in the alloc/free log reservation From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 059/119] xfs: account for the refcount btree in the alloc/free log reservation To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:09 -0700 Message-ID: <146612664925.12839.17667207190553223295.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126655 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1499 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Every time we allocate or free an extent, we might need to split the refcount btree. Reserve some blocks in the transaction to handle this possibility. (Reproduced by generic/167 over NFS atop XFS) Signed-off-by: Christoph Hellwig [darrick.wong@oracle.com: add commit message] Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_trans_resv.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c index 7c840e1..a59838f 100644 --- a/fs/xfs/libxfs/xfs_trans_resv.c +++ b/fs/xfs/libxfs/xfs_trans_resv.c @@ -67,7 +67,8 @@ xfs_calc_buf_res( * Per-extent log reservation for the btree changes involved in freeing or * allocating an extent. In classic XFS there were two trees that will be * modified (bnobt + cntbt). With rmap enabled, there are three trees - * (rmapbt). The number of blocks reserved is based on the formula: + * (rmapbt). With reflink, there are four trees (refcountbt). The number of + * blocks reserved is based on the formula: * * num trees * ((2 blocks/level * max depth) - 1) * @@ -83,6 +84,8 @@ xfs_allocfree_log_count( blocks = num_ops * 2 * (2 * mp->m_ag_maxlevels - 1); if (xfs_sb_version_hasrmapbt(&mp->m_sb)) blocks += num_ops * (2 * mp->m_rmap_maxlevels - 1); + if (xfs_sb_version_hasreflink(&mp->m_sb)) + blocks += num_ops * (2 * mp->m_refc_maxlevels - 1); return blocks; } From darrick.wong@oracle.com Thu Jun 16 20:24:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C23967DE8 for ; Thu, 16 Jun 2016 20:24:27 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 38C9FAC002 for ; Thu, 16 Jun 2016 18:24:27 -0700 (PDT) X-ASG-Debug-ID: 1466126663-04cbb01fee69760001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id a9w0GxQKHAxuyDNC (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:23 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1OIO1008795 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:19 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1OIBl009818 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:18 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1OHLu028469; Fri, 17 Jun 2016 01:24:17 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:17 -0700 Subject: [PATCH 060/119] xfs: add refcount btree operations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 060/119] xfs: add refcount btree operations To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:15 -0700 Message-ID: <146612665559.12839.8945136486858187070.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126663 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15934 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Implement the generic btree operations required to manipulate refcount btree blocks. The implementation is similar to the bmapbt, though it will only allocate and free blocks from the AG. v2: Remove init_rec_from_key since we no longer need it, and add tracepoints when refcount btree operations fail. Since the refcount root and level fields are separate from the existing roots and levels array, they need a separate logging flag. Signed-off-by: Darrick J. Wong [hch: fix logging of AGF refcount btree fields] Signed-off-by: Christoph Hellwig --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_alloc.c | 4 + fs/xfs/libxfs/xfs_format.h | 5 + fs/xfs/libxfs/xfs_refcount.c | 177 ++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_refcount.h | 30 +++++ fs/xfs/libxfs/xfs_refcount_btree.c | 197 ++++++++++++++++++++++++++++++++++++ 6 files changed, 413 insertions(+), 1 deletion(-) create mode 100644 fs/xfs/libxfs/xfs_refcount.c create mode 100644 fs/xfs/libxfs/xfs_refcount.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 3f579af..e0c3067 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -55,6 +55,7 @@ xfs-y += $(addprefix libxfs/, \ xfs_ag_resv.o \ xfs_rmap.o \ xfs_rmap_btree.o \ + xfs_refcount.o \ xfs_refcount_btree.o \ xfs_sb.o \ xfs_symlink_remote.o \ diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 14f8a69d..be5d0df 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2326,6 +2326,10 @@ xfs_alloc_log_agf( offsetof(xfs_agf_t, agf_longest), offsetof(xfs_agf_t, agf_btreeblks), offsetof(xfs_agf_t, agf_uuid), + offsetof(xfs_agf_t, agf_refcount_root), + offsetof(xfs_agf_t, agf_refcount_level), + /* needed so that we don't log the whole rest of the structure: */ + offsetof(xfs_agf_t, agf_spare64), sizeof(xfs_agf_t) }; diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 3b0cae2..45bbdad 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -680,7 +680,10 @@ typedef struct xfs_agf { #define XFS_AGF_LONGEST 0x00000400 #define XFS_AGF_BTREEBLKS 0x00000800 #define XFS_AGF_UUID 0x00001000 -#define XFS_AGF_NUM_BITS 13 +#define XFS_AGF_REFCOUNT_ROOT 0x00002000 +#define XFS_AGF_REFCOUNT_LEVEL 0x00004000 +#define XFS_AGF_SPARE64 0x00008000 +#define XFS_AGF_NUM_BITS 16 #define XFS_AGF_ALL_BITS ((1 << XFS_AGF_NUM_BITS) - 1) #define XFS_AGF_FLAGS \ diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c new file mode 100644 index 0000000..4d483b5 --- /dev/null +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -0,0 +1,177 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_btree.h" +#include "xfs_bmap.h" +#include "xfs_refcount_btree.h" +#include "xfs_alloc.h" +#include "xfs_error.h" +#include "xfs_trace.h" +#include "xfs_cksum.h" +#include "xfs_trans.h" +#include "xfs_bit.h" +#include "xfs_refcount.h" + +/* + * Look up the first record less than or equal to [bno, len] in the btree + * given by cur. + */ +int +xfs_refcountbt_lookup_le( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + int *stat) +{ + trace_xfs_refcountbt_lookup(cur->bc_mp, cur->bc_private.a.agno, bno, + XFS_LOOKUP_LE); + cur->bc_rec.rc.rc_startblock = bno; + cur->bc_rec.rc.rc_blockcount = 0; + return xfs_btree_lookup(cur, XFS_LOOKUP_LE, stat); +} + +/* + * Look up the first record greater than or equal to [bno, len] in the btree + * given by cur. + */ +int +xfs_refcountbt_lookup_ge( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + int *stat) +{ + trace_xfs_refcountbt_lookup(cur->bc_mp, cur->bc_private.a.agno, bno, + XFS_LOOKUP_GE); + cur->bc_rec.rc.rc_startblock = bno; + cur->bc_rec.rc.rc_blockcount = 0; + return xfs_btree_lookup(cur, XFS_LOOKUP_GE, stat); +} + +/* + * Get the data from the pointed-to record. + */ +int +xfs_refcountbt_get_rec( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *irec, + int *stat) +{ + union xfs_btree_rec *rec; + int error; + + error = xfs_btree_get_rec(cur, &rec, stat); + if (!error && *stat == 1) { + irec->rc_startblock = be32_to_cpu(rec->refc.rc_startblock); + irec->rc_blockcount = be32_to_cpu(rec->refc.rc_blockcount); + irec->rc_refcount = be32_to_cpu(rec->refc.rc_refcount); + trace_xfs_refcountbt_get(cur->bc_mp, cur->bc_private.a.agno, + irec); + } + return error; +} + +/* + * Update the record referred to by cur to the value given + * by [bno, len, refcount]. + * This either works (return 0) or gets an EFSCORRUPTED error. + */ +STATIC int +xfs_refcountbt_update( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *irec) +{ + union xfs_btree_rec rec; + int error; + + trace_xfs_refcountbt_update(cur->bc_mp, cur->bc_private.a.agno, irec); + rec.refc.rc_startblock = cpu_to_be32(irec->rc_startblock); + rec.refc.rc_blockcount = cpu_to_be32(irec->rc_blockcount); + rec.refc.rc_refcount = cpu_to_be32(irec->rc_refcount); + error = xfs_btree_update(cur, &rec); + if (error) + trace_xfs_refcountbt_update_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Insert the record referred to by cur to the value given + * by [bno, len, refcount]. + * This either works (return 0) or gets an EFSCORRUPTED error. + */ +STATIC int +xfs_refcountbt_insert( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *irec, + int *i) +{ + int error; + + trace_xfs_refcountbt_insert(cur->bc_mp, cur->bc_private.a.agno, irec); + cur->bc_rec.rc.rc_startblock = irec->rc_startblock; + cur->bc_rec.rc.rc_blockcount = irec->rc_blockcount; + cur->bc_rec.rc.rc_refcount = irec->rc_refcount; + error = xfs_btree_insert(cur, i); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, *i == 1, out_error); +out_error: + if (error) + trace_xfs_refcountbt_insert_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Remove the record referred to by cur, then set the pointer to the spot + * where the record could be re-inserted, in case we want to increment or + * decrement the cursor. + * This either works (return 0) or gets an EFSCORRUPTED error. + */ +STATIC int +xfs_refcountbt_delete( + struct xfs_btree_cur *cur, + int *i) +{ + struct xfs_refcount_irec irec; + int found_rec; + int error; + + error = xfs_refcountbt_get_rec(cur, &irec, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + trace_xfs_refcountbt_delete(cur->bc_mp, cur->bc_private.a.agno, &irec); + error = xfs_btree_delete(cur, i); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, *i == 1, out_error); + if (error) + goto out_error; + error = xfs_refcountbt_lookup_ge(cur, irec.rc_startblock, &found_rec); +out_error: + if (error) + trace_xfs_refcountbt_delete_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h new file mode 100644 index 0000000..8ea65c6 --- /dev/null +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_REFCOUNT_H__ +#define __XFS_REFCOUNT_H__ + +extern int xfs_refcountbt_lookup_le(struct xfs_btree_cur *cur, + xfs_agblock_t bno, int *stat); +extern int xfs_refcountbt_lookup_ge(struct xfs_btree_cur *cur, + xfs_agblock_t bno, int *stat); +extern int xfs_refcountbt_get_rec(struct xfs_btree_cur *cur, + struct xfs_refcount_irec *irec, int *stat); + +#endif /* __XFS_REFCOUNT_H__ */ diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index 359cf0c..7093c71 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -44,6 +44,153 @@ xfs_refcountbt_dup_cursor( cur->bc_private.a.dfops); } +STATIC void +xfs_refcountbt_set_root( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr, + int inc) +{ + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + xfs_agnumber_t seqno = be32_to_cpu(agf->agf_seqno); + struct xfs_perag *pag = xfs_perag_get(cur->bc_mp, seqno); + + ASSERT(ptr->s != 0); + + agf->agf_refcount_root = ptr->s; + be32_add_cpu(&agf->agf_refcount_level, inc); + pag->pagf_refcount_level += inc; + xfs_perag_put(pag); + + xfs_alloc_log_agf(cur->bc_tp, agbp, + XFS_AGF_REFCOUNT_ROOT | XFS_AGF_REFCOUNT_LEVEL); +} + +STATIC int +xfs_refcountbt_alloc_block( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *start, + union xfs_btree_ptr *new, + int *stat) +{ + struct xfs_alloc_arg args; /* block allocation args */ + int error; /* error return value */ + + memset(&args, 0, sizeof(args)); + args.tp = cur->bc_tp; + args.mp = cur->bc_mp; + args.type = XFS_ALLOCTYPE_NEAR_BNO; + args.fsbno = XFS_AGB_TO_FSB(cur->bc_mp, cur->bc_private.a.agno, + xfs_refc_block(args.mp)); + args.firstblock = args.fsbno; + xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_REFC); + args.minlen = args.maxlen = args.prod = 1; + + error = xfs_alloc_vextent(&args); + if (error) + goto out_error; + trace_xfs_refcountbt_alloc_block(cur->bc_mp, cur->bc_private.a.agno, + args.agbno, 1); + if (args.fsbno == NULLFSBLOCK) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + *stat = 0; + return 0; + } + ASSERT(args.agno == cur->bc_private.a.agno); + ASSERT(args.len == 1); + + new->s = cpu_to_be32(args.agbno); + + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + *stat = 1; + return 0; + +out_error: + XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); + return error; +} + +STATIC int +xfs_refcountbt_free_block( + struct xfs_btree_cur *cur, + struct xfs_buf *bp) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_trans *tp = cur->bc_tp; + xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); + struct xfs_owner_info oinfo; + + trace_xfs_refcountbt_free_block(cur->bc_mp, cur->bc_private.a.agno, + XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno), 1); + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_REFC); + xfs_bmap_add_free(mp, cur->bc_private.a.dfops, fsbno, 1, + &oinfo); + xfs_trans_binval(tp, bp); + return 0; +} + +STATIC int +xfs_refcountbt_get_minrecs( + struct xfs_btree_cur *cur, + int level) +{ + return cur->bc_mp->m_refc_mnr[level != 0]; +} + +STATIC int +xfs_refcountbt_get_maxrecs( + struct xfs_btree_cur *cur, + int level) +{ + return cur->bc_mp->m_refc_mxr[level != 0]; +} + +STATIC void +xfs_refcountbt_init_key_from_rec( + union xfs_btree_key *key, + union xfs_btree_rec *rec) +{ + ASSERT(rec->refc.rc_startblock != 0); + + key->refc.rc_startblock = rec->refc.rc_startblock; +} + +STATIC void +xfs_refcountbt_init_rec_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_rec *rec) +{ + ASSERT(cur->bc_rec.rc.rc_startblock != 0); + + rec->refc.rc_startblock = cpu_to_be32(cur->bc_rec.rc.rc_startblock); + rec->refc.rc_blockcount = cpu_to_be32(cur->bc_rec.rc.rc_blockcount); + rec->refc.rc_refcount = cpu_to_be32(cur->bc_rec.rc.rc_refcount); +} + +STATIC void +xfs_refcountbt_init_ptr_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr) +{ + struct xfs_agf *agf = XFS_BUF_TO_AGF(cur->bc_private.a.agbp); + + ASSERT(cur->bc_private.a.agno == be32_to_cpu(agf->agf_seqno)); + ASSERT(agf->agf_refcount_root != 0); + + ptr->s = agf->agf_refcount_root; +} + +STATIC __int64_t +xfs_refcountbt_key_diff( + struct xfs_btree_cur *cur, + union xfs_btree_key *key) +{ + struct xfs_refcount_irec *rec = &cur->bc_rec.rc; + struct xfs_refcount_key *kp = &key->refc; + + return (__int64_t)be32_to_cpu(kp->rc_startblock) - rec->rc_startblock; +} + STATIC bool xfs_refcountbt_verify( struct xfs_buf *bp) @@ -106,12 +253,62 @@ const struct xfs_buf_ops xfs_refcountbt_buf_ops = { .verify_write = xfs_refcountbt_write_verify, }; +#if defined(DEBUG) || defined(XFS_WARN) +STATIC int +xfs_refcountbt_keys_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return be32_to_cpu(k1->refc.rc_startblock) < + be32_to_cpu(k2->refc.rc_startblock); +} + +STATIC int +xfs_refcountbt_recs_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_rec *r1, + union xfs_btree_rec *r2) +{ + struct xfs_refcount_irec a, b; + + int ret = be32_to_cpu(r1->refc.rc_startblock) + + be32_to_cpu(r1->refc.rc_blockcount) <= + be32_to_cpu(r2->refc.rc_startblock); + if (!ret) { + a.rc_startblock = be32_to_cpu(r1->refc.rc_startblock); + a.rc_blockcount = be32_to_cpu(r1->refc.rc_blockcount); + a.rc_refcount = be32_to_cpu(r1->refc.rc_refcount); + b.rc_startblock = be32_to_cpu(r2->refc.rc_startblock); + b.rc_blockcount = be32_to_cpu(r2->refc.rc_blockcount); + b.rc_refcount = be32_to_cpu(r2->refc.rc_refcount); + trace_xfs_refcount_rec_order_error(cur->bc_mp, + cur->bc_private.a.agno, &a, &b); + } + + return ret; +} +#endif /* DEBUG */ + static const struct xfs_btree_ops xfs_refcountbt_ops = { .rec_len = sizeof(struct xfs_refcount_rec), .key_len = sizeof(struct xfs_refcount_key), .dup_cursor = xfs_refcountbt_dup_cursor, + .set_root = xfs_refcountbt_set_root, + .alloc_block = xfs_refcountbt_alloc_block, + .free_block = xfs_refcountbt_free_block, + .get_minrecs = xfs_refcountbt_get_minrecs, + .get_maxrecs = xfs_refcountbt_get_maxrecs, + .init_key_from_rec = xfs_refcountbt_init_key_from_rec, + .init_rec_from_cur = xfs_refcountbt_init_rec_from_cur, + .init_ptr_from_cur = xfs_refcountbt_init_ptr_from_cur, + .key_diff = xfs_refcountbt_key_diff, .buf_ops = &xfs_refcountbt_buf_ops, +#if defined(DEBUG) || defined(XFS_WARN) + .keys_inorder = xfs_refcountbt_keys_inorder, + .recs_inorder = xfs_refcountbt_recs_inorder, +#endif }; /* From darrick.wong@oracle.com Thu Jun 16 20:24:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 535D17CB4 for ; Thu, 16 Jun 2016 20:24:33 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 074638F804B for ; Thu, 16 Jun 2016 18:24:32 -0700 (PDT) X-ASG-Debug-ID: 1466126668-04bdf01e1395b00001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id uSJBJpuHXHXGqi5V (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:28 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1OQ68028170 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:24:26 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1OPsx014767 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:25 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1OOPH024420; Fri, 17 Jun 2016 01:24:25 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:24 -0700 Subject: [PATCH 061/119] xfs: create refcount update intent log items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 061/119] xfs: create refcount update intent log items To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:22 -0700 Message-ID: <146612666207.12839.4040372869535080968.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126668 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 22465 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create refcount update intent/done log items to record redo information in the log. Because we need to roll transactions between updating the bmbt mapping and updating the reverse mapping, we also have to track the status of the metadata updates that will be recorded in the post-roll transactions, just in case we crash before committing the final transaction. This mechanism enables log recovery to finish what was already started. Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_log_format.h | 52 ++++- fs/xfs/xfs_refcount_item.c | 459 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_refcount_item.h | 100 +++++++++ fs/xfs/xfs_super.c | 21 ++ 5 files changed, 631 insertions(+), 2 deletions(-) create mode 100644 fs/xfs/xfs_refcount_item.c create mode 100644 fs/xfs/xfs_refcount_item.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index e0c3067..322c386 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -107,6 +107,7 @@ xfs-y += xfs_log.o \ xfs_extfree_item.o \ xfs_icreate_item.o \ xfs_inode_item.o \ + xfs_refcount_item.o \ xfs_rmap_item.o \ xfs_log_recover.o \ xfs_trans_ail.o \ diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index b9627b7..1dfa02c 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -112,7 +112,9 @@ static inline uint xlog_get_cycle(char *ptr) #define XLOG_REG_TYPE_ICREATE 20 #define XLOG_REG_TYPE_RUI_FORMAT 21 #define XLOG_REG_TYPE_RUD_FORMAT 22 -#define XLOG_REG_TYPE_MAX 22 +#define XLOG_REG_TYPE_CUI_FORMAT 23 +#define XLOG_REG_TYPE_CUD_FORMAT 24 +#define XLOG_REG_TYPE_MAX 24 /* * Flags to log operation header @@ -231,6 +233,8 @@ typedef struct xfs_trans_header { #define XFS_LI_ICREATE 0x123f #define XFS_LI_RUI 0x1240 /* rmap update intent */ #define XFS_LI_RUD 0x1241 +#define XFS_LI_CUI 0x1242 /* refcount update intent */ +#define XFS_LI_CUD 0x1243 #define XFS_LI_TYPE_DESC \ { XFS_LI_EFI, "XFS_LI_EFI" }, \ @@ -242,7 +246,9 @@ typedef struct xfs_trans_header { { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }, \ { XFS_LI_ICREATE, "XFS_LI_ICREATE" }, \ { XFS_LI_RUI, "XFS_LI_RUI" }, \ - { XFS_LI_RUD, "XFS_LI_RUD" } + { XFS_LI_RUD, "XFS_LI_RUD" }, \ + { XFS_LI_CUI, "XFS_LI_CUI" }, \ + { XFS_LI_CUD, "XFS_LI_CUD" } /* * Inode Log Item Format definitions. @@ -667,6 +673,48 @@ struct xfs_rud_log_format { }; /* + * CUI/CUD (refcount update) log format definitions + */ +struct xfs_phys_extent { + __uint64_t pe_startblock; + __uint32_t pe_len; + __uint32_t pe_flags; +}; + +/* refcount pe_flags: upper bits are flags, lower byte is type code */ +#define XFS_REFCOUNT_EXTENT_INCREASE 1 +#define XFS_REFCOUNT_EXTENT_DECREASE 2 +#define XFS_REFCOUNT_EXTENT_ALLOC_COW 3 +#define XFS_REFCOUNT_EXTENT_FREE_COW 4 +#define XFS_REFCOUNT_EXTENT_TYPE_MASK 0xFF + +/* + * This is the structure used to lay out a cui log item in the + * log. The cui_extents field is a variable size array whose + * size is given by cui_nextents. + */ +struct xfs_cui_log_format { + __uint16_t cui_type; /* cui log item type */ + __uint16_t cui_size; /* size of this item */ + __uint32_t cui_nextents; /* # extents to free */ + __uint64_t cui_id; /* cui identifier */ + struct xfs_phys_extent cui_extents[1]; /* array of extents */ +}; + +/* + * This is the structure used to lay out a cud log item in the + * log. The cud_extents array is a variable size array whose + * size is given by cud_nextents; + */ +struct xfs_cud_log_format { + __uint16_t cud_type; /* cud log item type */ + __uint16_t cud_size; /* size of this item */ + __uint32_t cud_nextents; /* # of extents freed */ + __uint64_t cud_cui_id; /* id of corresponding cui */ + struct xfs_phys_extent cud_extents[1]; /* array of extents */ +}; + +/* * Dquot Log format definitions. * * The first two fields must be the type and size fitting into diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c new file mode 100644 index 0000000..681d068 --- /dev/null +++ b/fs/xfs/xfs_refcount_item.c @@ -0,0 +1,459 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_trans.h" +#include "xfs_trans_priv.h" +#include "xfs_buf_item.h" +#include "xfs_refcount_item.h" +#include "xfs_log.h" + + +kmem_zone_t *xfs_cui_zone; +kmem_zone_t *xfs_cud_zone; + +static inline struct xfs_cui_log_item *CUI_ITEM(struct xfs_log_item *lip) +{ + return container_of(lip, struct xfs_cui_log_item, cui_item); +} + +void +xfs_cui_item_free( + struct xfs_cui_log_item *cuip) +{ + if (cuip->cui_format.cui_nextents > XFS_CUI_MAX_FAST_EXTENTS) + kmem_free(cuip); + else + kmem_zone_free(xfs_cui_zone, cuip); +} + +/* + * This returns the number of iovecs needed to log the given cui item. + * We only need 1 iovec for an cui item. It just logs the cui_log_format + * structure. + */ +static inline int +xfs_cui_item_sizeof( + struct xfs_cui_log_item *cuip) +{ + return sizeof(struct xfs_cui_log_format) + + (cuip->cui_format.cui_nextents - 1) * + sizeof(struct xfs_phys_extent); +} + +STATIC void +xfs_cui_item_size( + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) +{ + *nvecs += 1; + *nbytes += xfs_cui_item_sizeof(CUI_ITEM(lip)); +} + +/* + * This is called to fill in the vector of log iovecs for the + * given cui log item. We use only 1 iovec, and we point that + * at the cui_log_format structure embedded in the cui item. + * It is at this point that we assert that all of the extent + * slots in the cui item have been filled. + */ +STATIC void +xfs_cui_item_format( + struct xfs_log_item *lip, + struct xfs_log_vec *lv) +{ + struct xfs_cui_log_item *cuip = CUI_ITEM(lip); + struct xfs_log_iovec *vecp = NULL; + + ASSERT(atomic_read(&cuip->cui_next_extent) == + cuip->cui_format.cui_nextents); + + cuip->cui_format.cui_type = XFS_LI_CUI; + cuip->cui_format.cui_size = 1; + + xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_CUI_FORMAT, &cuip->cui_format, + xfs_cui_item_sizeof(cuip)); +} + +/* + * Pinning has no meaning for an cui item, so just return. + */ +STATIC void +xfs_cui_item_pin( + struct xfs_log_item *lip) +{ +} + +/* + * The unpin operation is the last place an CUI is manipulated in the log. It is + * either inserted in the AIL or aborted in the event of a log I/O error. In + * either case, the CUI transaction has been successfully committed to make it + * this far. Therefore, we expect whoever committed the CUI to either construct + * and commit the CUD or drop the CUD's reference in the event of error. Simply + * drop the log's CUI reference now that the log is done with it. + */ +STATIC void +xfs_cui_item_unpin( + struct xfs_log_item *lip, + int remove) +{ + struct xfs_cui_log_item *cuip = CUI_ITEM(lip); + + xfs_cui_release(cuip); +} + +/* + * CUI items have no locking or pushing. However, since CUIs are pulled from + * the AIL when their corresponding CUDs are committed to disk, their situation + * is very similar to being pinned. Return XFS_ITEM_PINNED so that the caller + * will eventually flush the log. This should help in getting the CUI out of + * the AIL. + */ +STATIC uint +xfs_cui_item_push( + struct xfs_log_item *lip, + struct list_head *buffer_list) +{ + return XFS_ITEM_PINNED; +} + +/* + * The CUI has been either committed or aborted if the transaction has been + * cancelled. If the transaction was cancelled, an CUD isn't going to be + * constructed and thus we free the CUI here directly. + */ +STATIC void +xfs_cui_item_unlock( + struct xfs_log_item *lip) +{ + if (lip->li_flags & XFS_LI_ABORTED) + xfs_cui_item_free(CUI_ITEM(lip)); +} + +/* + * The CUI is logged only once and cannot be moved in the log, so simply return + * the lsn at which it's been logged. + */ +STATIC xfs_lsn_t +xfs_cui_item_committed( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ + return lsn; +} + +/* + * The CUI dependency tracking op doesn't do squat. It can't because + * it doesn't know where the free extent is coming from. The dependency + * tracking has to be handled by the "enclosing" metadata object. For + * example, for inodes, the inode is locked throughout the extent freeing + * so the dependency should be recorded there. + */ +STATIC void +xfs_cui_item_committing( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ +} + +/* + * This is the ops vector shared by all cui log items. + */ +static const struct xfs_item_ops xfs_cui_item_ops = { + .iop_size = xfs_cui_item_size, + .iop_format = xfs_cui_item_format, + .iop_pin = xfs_cui_item_pin, + .iop_unpin = xfs_cui_item_unpin, + .iop_unlock = xfs_cui_item_unlock, + .iop_committed = xfs_cui_item_committed, + .iop_push = xfs_cui_item_push, + .iop_committing = xfs_cui_item_committing, +}; + +/* + * Allocate and initialize an cui item with the given number of extents. + */ +struct xfs_cui_log_item * +xfs_cui_init( + struct xfs_mount *mp, + uint nextents) + +{ + struct xfs_cui_log_item *cuip; + uint size; + + ASSERT(nextents > 0); + if (nextents > XFS_CUI_MAX_FAST_EXTENTS) { + size = (uint)(sizeof(struct xfs_cui_log_item) + + ((nextents - 1) * sizeof(struct xfs_phys_extent))); + cuip = kmem_zalloc(size, KM_SLEEP); + } else { + cuip = kmem_zone_zalloc(xfs_cui_zone, KM_SLEEP); + } + + xfs_log_item_init(mp, &cuip->cui_item, XFS_LI_CUI, &xfs_cui_item_ops); + cuip->cui_format.cui_nextents = nextents; + cuip->cui_format.cui_id = (uintptr_t)(void *)cuip; + atomic_set(&cuip->cui_next_extent, 0); + atomic_set(&cuip->cui_refcount, 2); + + return cuip; +} + +/* + * Copy an CUI format buffer from the given buf, and into the destination + * CUI format structure. The CUI/CUD items were designed not to need any + * special alignment handling. + */ +int +xfs_cui_copy_format( + struct xfs_log_iovec *buf, + struct xfs_cui_log_format *dst_cui_fmt) +{ + struct xfs_cui_log_format *src_cui_fmt; + uint len; + + src_cui_fmt = buf->i_addr; + len = sizeof(struct xfs_cui_log_format) + + (src_cui_fmt->cui_nextents - 1) * + sizeof(struct xfs_phys_extent); + + if (buf->i_len == len) { + memcpy((char *)dst_cui_fmt, (char *)src_cui_fmt, len); + return 0; + } + return -EFSCORRUPTED; +} + +/* + * Freeing the CUI requires that we remove it from the AIL if it has already + * been placed there. However, the CUI may not yet have been placed in the AIL + * when called by xfs_cui_release() from CUD processing due to the ordering of + * committed vs unpin operations in bulk insert operations. Hence the reference + * count to ensure only the last caller frees the CUI. + */ +void +xfs_cui_release( + struct xfs_cui_log_item *cuip) +{ + if (atomic_dec_and_test(&cuip->cui_refcount)) { + xfs_trans_ail_remove(&cuip->cui_item, SHUTDOWN_LOG_IO_ERROR); + xfs_cui_item_free(cuip); + } +} + +static inline struct xfs_cud_log_item *CUD_ITEM(struct xfs_log_item *lip) +{ + return container_of(lip, struct xfs_cud_log_item, cud_item); +} + +STATIC void +xfs_cud_item_free(struct xfs_cud_log_item *cudp) +{ + if (cudp->cud_format.cud_nextents > XFS_CUD_MAX_FAST_EXTENTS) + kmem_free(cudp); + else + kmem_zone_free(xfs_cud_zone, cudp); +} + +/* + * This returns the number of iovecs needed to log the given cud item. + * We only need 1 iovec for an cud item. It just logs the cud_log_format + * structure. + */ +static inline int +xfs_cud_item_sizeof( + struct xfs_cud_log_item *cudp) +{ + return sizeof(struct xfs_cud_log_format) + + (cudp->cud_format.cud_nextents - 1) * + sizeof(struct xfs_phys_extent); +} + +STATIC void +xfs_cud_item_size( + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) +{ + *nvecs += 1; + *nbytes += xfs_cud_item_sizeof(CUD_ITEM(lip)); +} + +/* + * This is called to fill in the vector of log iovecs for the + * given cud log item. We use only 1 iovec, and we point that + * at the cud_log_format structure embedded in the cud item. + * It is at this point that we assert that all of the extent + * slots in the cud item have been filled. + */ +STATIC void +xfs_cud_item_format( + struct xfs_log_item *lip, + struct xfs_log_vec *lv) +{ + struct xfs_cud_log_item *cudp = CUD_ITEM(lip); + struct xfs_log_iovec *vecp = NULL; + + ASSERT(cudp->cud_next_extent == cudp->cud_format.cud_nextents); + + cudp->cud_format.cud_type = XFS_LI_CUD; + cudp->cud_format.cud_size = 1; + + xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_CUD_FORMAT, &cudp->cud_format, + xfs_cud_item_sizeof(cudp)); +} + +/* + * Pinning has no meaning for an cud item, so just return. + */ +STATIC void +xfs_cud_item_pin( + struct xfs_log_item *lip) +{ +} + +/* + * Since pinning has no meaning for an cud item, unpinning does + * not either. + */ +STATIC void +xfs_cud_item_unpin( + struct xfs_log_item *lip, + int remove) +{ +} + +/* + * There isn't much you can do to push on an cud item. It is simply stuck + * waiting for the log to be flushed to disk. + */ +STATIC uint +xfs_cud_item_push( + struct xfs_log_item *lip, + struct list_head *buffer_list) +{ + return XFS_ITEM_PINNED; +} + +/* + * The CUD is either committed or aborted if the transaction is cancelled. If + * the transaction is cancelled, drop our reference to the CUI and free the + * CUD. + */ +STATIC void +xfs_cud_item_unlock( + struct xfs_log_item *lip) +{ + struct xfs_cud_log_item *cudp = CUD_ITEM(lip); + + if (lip->li_flags & XFS_LI_ABORTED) { + xfs_cui_release(cudp->cud_cuip); + xfs_cud_item_free(cudp); + } +} + +/* + * When the cud item is committed to disk, all we need to do is delete our + * reference to our partner cui item and then free ourselves. Since we're + * freeing ourselves we must return -1 to keep the transaction code from + * further referencing this item. + */ +STATIC xfs_lsn_t +xfs_cud_item_committed( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ + struct xfs_cud_log_item *cudp = CUD_ITEM(lip); + + /* + * Drop the CUI reference regardless of whether the CUD has been + * aborted. Once the CUD transaction is constructed, it is the sole + * responsibility of the CUD to release the CUI (even if the CUI is + * aborted due to log I/O error). + */ + xfs_cui_release(cudp->cud_cuip); + xfs_cud_item_free(cudp); + + return (xfs_lsn_t)-1; +} + +/* + * The CUD dependency tracking op doesn't do squat. It can't because + * it doesn't know where the free extent is coming from. The dependency + * tracking has to be handled by the "enclosing" metadata object. For + * example, for inodes, the inode is locked throughout the extent freeing + * so the dependency should be recorded there. + */ +STATIC void +xfs_cud_item_committing( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ +} + +/* + * This is the ops vector shared by all cud log items. + */ +static const struct xfs_item_ops xfs_cud_item_ops = { + .iop_size = xfs_cud_item_size, + .iop_format = xfs_cud_item_format, + .iop_pin = xfs_cud_item_pin, + .iop_unpin = xfs_cud_item_unpin, + .iop_unlock = xfs_cud_item_unlock, + .iop_committed = xfs_cud_item_committed, + .iop_push = xfs_cud_item_push, + .iop_committing = xfs_cud_item_committing, +}; + +/* + * Allocate and initialize an cud item with the given number of extents. + */ +struct xfs_cud_log_item * +xfs_cud_init( + struct xfs_mount *mp, + struct xfs_cui_log_item *cuip, + uint nextents) + +{ + struct xfs_cud_log_item *cudp; + uint size; + + ASSERT(nextents > 0); + if (nextents > XFS_CUD_MAX_FAST_EXTENTS) { + size = (uint)(sizeof(struct xfs_cud_log_item) + + ((nextents - 1) * sizeof(struct xfs_phys_extent))); + cudp = kmem_zalloc(size, KM_SLEEP); + } else { + cudp = kmem_zone_zalloc(xfs_cud_zone, KM_SLEEP); + } + + xfs_log_item_init(mp, &cudp->cud_item, XFS_LI_CUD, &xfs_cud_item_ops); + cudp->cud_cuip = cuip; + cudp->cud_format.cud_nextents = nextents; + cudp->cud_format.cud_cui_id = cuip->cui_format.cui_id; + + return cudp; +} diff --git a/fs/xfs/xfs_refcount_item.h b/fs/xfs/xfs_refcount_item.h new file mode 100644 index 0000000..9af4c9b --- /dev/null +++ b/fs/xfs/xfs_refcount_item.h @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_REFCOUNT_ITEM_H__ +#define __XFS_REFCOUNT_ITEM_H__ + +/* + * There are (currently) two pairs of refcount btree redo item types: + * increase and decrease. The log items for these are CUI (refcount + * update intent) and CUD (refcount update done). The redo item type + * is encoded in the flags field of each xfs_map_extent. + * + * *I items should be recorded in the *first* of a series of rolled + * transactions, and the *D items should be recorded in the same + * transaction that records the associated refcountbt updates. + * + * Should the system crash after the commit of the first transaction + * but before the commit of the final transaction in a series, log + * recovery will use the redo information recorded by the intent items + * to replay the refcountbt metadata updates. + */ + +/* kernel only CUI/CUD definitions */ + +struct xfs_mount; +struct kmem_zone; + +/* + * Max number of extents in fast allocation path. + */ +#define XFS_CUI_MAX_FAST_EXTENTS 16 + +/* + * Define CUI flag bits. Manipulated by set/clear/test_bit operators. + */ +#define XFS_CUI_RECOVERED 1 + +/* + * This is the "refcount update intent" log item. It is used to log + * the fact that some reverse mappings need to change. It is used in + * conjunction with the "refcount update done" log item described + * below. + * + * These log items follow the same rules as struct xfs_efi_log_item; + * see the comments about that structure (in xfs_extfree_item.h) for + * more details. + */ +struct xfs_cui_log_item { + struct xfs_log_item cui_item; + atomic_t cui_refcount; + atomic_t cui_next_extent; + unsigned long cui_flags; /* misc flags */ + struct xfs_cui_log_format cui_format; +}; + +/* + * This is the "refcount update done" log item. It is used to log the + * fact that some refcountbt updates mentioned in an earlier cui item + * have been performed. + */ +struct xfs_cud_log_item { + struct xfs_log_item cud_item; + struct xfs_cui_log_item *cud_cuip; + uint cud_next_extent; + struct xfs_cud_log_format cud_format; +}; + +/* + * Max number of extents in fast allocation path. + */ +#define XFS_CUD_MAX_FAST_EXTENTS 16 + +extern struct kmem_zone *xfs_cui_zone; +extern struct kmem_zone *xfs_cud_zone; + +struct xfs_cui_log_item *xfs_cui_init(struct xfs_mount *, uint); +struct xfs_cud_log_item *xfs_cud_init(struct xfs_mount *, + struct xfs_cui_log_item *, uint); +int xfs_cui_copy_format(struct xfs_log_iovec *buf, + struct xfs_cui_log_format *dst_cui_fmt); +void xfs_cui_item_free(struct xfs_cui_log_item *); +void xfs_cui_release(struct xfs_cui_log_item *); + +#endif /* __XFS_REFCOUNT_ITEM_H__ */ diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 9328821..a0c7bdc 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -48,6 +48,7 @@ #include "xfs_ondisk.h" #include "xfs_defer.h" #include "xfs_rmap_item.h" +#include "xfs_refcount_item.h" #include #include @@ -1781,8 +1782,26 @@ xfs_init_zones(void) if (!xfs_rui_zone) goto out_destroy_rud_zone; + xfs_cud_zone = kmem_zone_init((sizeof(struct xfs_cud_log_item) + + ((XFS_CUD_MAX_FAST_EXTENTS - 1) * + sizeof(struct xfs_phys_extent))), + "xfs_cud_item"); + if (!xfs_cud_zone) + goto out_destroy_rui_zone; + + xfs_cui_zone = kmem_zone_init((sizeof(struct xfs_cui_log_item) + + ((XFS_CUI_MAX_FAST_EXTENTS - 1) * + sizeof(struct xfs_phys_extent))), + "xfs_cui_item"); + if (!xfs_cui_zone) + goto out_destroy_cud_zone; + return 0; + out_destroy_cud_zone: + kmem_zone_destroy(xfs_cud_zone); + out_destroy_rui_zone: + kmem_zone_destroy(xfs_rui_zone); out_destroy_rud_zone: kmem_zone_destroy(xfs_rud_zone); out_destroy_icreate_zone: @@ -1825,6 +1844,8 @@ xfs_destroy_zones(void) * destroy caches. */ rcu_barrier(); + kmem_zone_destroy(xfs_cui_zone); + kmem_zone_destroy(xfs_cud_zone); kmem_zone_destroy(xfs_rui_zone); kmem_zone_destroy(xfs_rud_zone); kmem_zone_destroy(xfs_icreate_zone); From darrick.wong@oracle.com Thu Jun 16 20:24:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FRT_LOLITA1, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 534377E2D for ; Thu, 16 Jun 2016 20:24:40 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 12A2A304048 for ; Thu, 16 Jun 2016 18:24:40 -0700 (PDT) X-ASG-Debug-ID: 1466126676-04bdf01e1395b10001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id iurqtOh1qHSPWp75 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:36 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1OWCn008948 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:24:33 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1OWed014836 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:32 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1OV8Y020068; Fri, 17 Jun 2016 01:24:31 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:30 -0700 Subject: [PATCH 062/119] xfs: log refcount intent items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 062/119] xfs: log refcount intent items To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:29 -0700 Message-ID: <146612666945.12839.17831346063394478114.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126676 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 21358 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a mechanism for higher levels to create CUI/CUD items, submit them to the log, and a stub function to deal with recovered CUI items. These parts will be connected to the refcountbt in a later patch. Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_log_format.h | 2 fs/xfs/libxfs/xfs_refcount.h | 14 ++ fs/xfs/xfs_log_recover.c | 299 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_trace.h | 30 ++++ fs/xfs/xfs_trans.h | 15 ++ fs/xfs/xfs_trans_refcount.c | 192 ++++++++++++++++++++++++++ 7 files changed, 552 insertions(+), 1 deletion(-) create mode 100644 fs/xfs/xfs_trans_refcount.c diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 322c386..2945270 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -114,6 +114,7 @@ xfs-y += xfs_log.o \ xfs_trans_buf.o \ xfs_trans_extfree.o \ xfs_trans_inode.o \ + xfs_trans_refcount.o \ xfs_trans_rmap.o \ # optional features diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index 1dfa02c..923b08f 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -688,6 +688,8 @@ struct xfs_phys_extent { #define XFS_REFCOUNT_EXTENT_FREE_COW 4 #define XFS_REFCOUNT_EXTENT_TYPE_MASK 0xFF +#define XFS_REFCOUNT_EXTENT_FLAGS (XFS_REFCOUNT_EXTENT_TYPE_MASK) + /* * This is the structure used to lay out a cui log item in the * log. The cui_extents field is a variable size array whose diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h index 8ea65c6..0b36c1d 100644 --- a/fs/xfs/libxfs/xfs_refcount.h +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -27,4 +27,18 @@ extern int xfs_refcountbt_lookup_ge(struct xfs_btree_cur *cur, extern int xfs_refcountbt_get_rec(struct xfs_btree_cur *cur, struct xfs_refcount_irec *irec, int *stat); +enum xfs_refcount_intent_type { + XFS_REFCOUNT_INCREASE, + XFS_REFCOUNT_DECREASE, + XFS_REFCOUNT_ALLOC_COW, + XFS_REFCOUNT_FREE_COW, +}; + +struct xfs_refcount_intent { + struct list_head ri_list; + enum xfs_refcount_intent_type ri_type; + xfs_fsblock_t ri_startblock; + xfs_extlen_t ri_blockcount; +}; + #endif /* __XFS_REFCOUNT_H__ */ diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index dbfbc26..e0a470a 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -46,6 +46,7 @@ #include "xfs_dir2.h" #include "xfs_rmap_item.h" #include "xfs_rmap_btree.h" +#include "xfs_refcount_item.h" #define BLK_AVG(blk1, blk2) ((blk1+blk2) >> 1) @@ -1916,6 +1917,8 @@ xlog_recover_reorder_trans( case XFS_LI_EFI: case XFS_LI_RUI: case XFS_LI_RUD: + case XFS_LI_CUI: + case XFS_LI_CUD: trace_xfs_log_recover_item_reorder_tail(log, trans, item, pass); list_move_tail(&item->ri_list, &inode_list); @@ -3519,6 +3522,101 @@ xlog_recover_rud_pass2( } /* + * This routine is called to create an in-core extent refcount update + * item from the cui format structure which was logged on disk. + * It allocates an in-core cui, copies the extents from the format + * structure into it, and adds the cui to the AIL with the given + * LSN. + */ +STATIC int +xlog_recover_cui_pass2( + struct xlog *log, + struct xlog_recover_item *item, + xfs_lsn_t lsn) +{ + int error; + struct xfs_mount *mp = log->l_mp; + struct xfs_cui_log_item *cuip; + struct xfs_cui_log_format *cui_formatp; + + cui_formatp = item->ri_buf[0].i_addr; + + cuip = xfs_cui_init(mp, cui_formatp->cui_nextents); + error = xfs_cui_copy_format(&item->ri_buf[0], &cuip->cui_format); + if (error) { + xfs_cui_item_free(cuip); + return error; + } + atomic_set(&cuip->cui_next_extent, cui_formatp->cui_nextents); + + spin_lock(&log->l_ailp->xa_lock); + /* + * The CUI has two references. One for the CUD and one for CUI to ensure + * it makes it into the AIL. Insert the CUI into the AIL directly and + * drop the CUI reference. Note that xfs_trans_ail_update() drops the + * AIL lock. + */ + xfs_trans_ail_update(log->l_ailp, &cuip->cui_item, lsn); + xfs_cui_release(cuip); + return 0; +} + + +/* + * This routine is called when an CUD format structure is found in a committed + * transaction in the log. Its purpose is to cancel the corresponding CUI if it + * was still in the log. To do this it searches the AIL for the CUI with an id + * equal to that in the CUD format structure. If we find it we drop the CUD + * reference, which removes the CUI from the AIL and frees it. + */ +STATIC int +xlog_recover_cud_pass2( + struct xlog *log, + struct xlog_recover_item *item) +{ + struct xfs_cud_log_format *cud_formatp; + struct xfs_cui_log_item *cuip = NULL; + struct xfs_log_item *lip; + __uint64_t cui_id; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp = log->l_ailp; + + cud_formatp = item->ri_buf[0].i_addr; + ASSERT(item->ri_buf[0].i_len == (sizeof(struct xfs_cud_log_format) + + ((cud_formatp->cud_nextents - 1) * + sizeof(struct xfs_phys_extent)))); + cui_id = cud_formatp->cud_cui_id; + + /* + * Search for the CUI with the id in the CUD format structure in the + * AIL. + */ + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + if (lip->li_type == XFS_LI_CUI) { + cuip = (struct xfs_cui_log_item *)lip; + if (cuip->cui_format.cui_id == cui_id) { + /* + * Drop the CUD reference to the CUI. This + * removes the CUI from the AIL and frees it. + */ + spin_unlock(&ailp->xa_lock); + xfs_cui_release(cuip); + spin_lock(&ailp->xa_lock); + break; + } + } + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } + + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + + return 0; +} + +/* * This routine is called when an inode create format structure is found in a * committed transaction in the log. It's purpose is to initialise the inodes * being allocated on disk. This requires us to get inode cluster buffers that @@ -3745,6 +3843,8 @@ xlog_recover_ra_pass2( case XFS_LI_QUOTAOFF: case XFS_LI_RUI: case XFS_LI_RUD: + case XFS_LI_CUI: + case XFS_LI_CUD: default: break; } @@ -3770,6 +3870,8 @@ xlog_recover_commit_pass1( case XFS_LI_ICREATE: case XFS_LI_RUI: case XFS_LI_RUD: + case XFS_LI_CUI: + case XFS_LI_CUD: /* nothing to do in pass 1 */ return 0; default: @@ -3804,6 +3906,10 @@ xlog_recover_commit_pass2( return xlog_recover_rui_pass2(log, item, trans->r_lsn); case XFS_LI_RUD: return xlog_recover_rud_pass2(log, item); + case XFS_LI_CUI: + return xlog_recover_cui_pass2(log, item, trans->r_lsn); + case XFS_LI_CUD: + return xlog_recover_cud_pass2(log, item); case XFS_LI_DQUOT: return xlog_recover_dquot_pass2(log, buffer_list, item, trans->r_lsn); @@ -4282,6 +4388,7 @@ static inline bool xlog_item_is_intent(struct xfs_log_item *lip) switch (lip->li_type) { case XFS_LI_EFI: case XFS_LI_RUI: + case XFS_LI_CUI: return true; default: return false; @@ -4713,6 +4820,186 @@ xlog_recover_cancel_ruis( } /* + * Process a refcount update intent item that was recovered from the log. + * We need to update the refcountbt. + */ +STATIC int +xlog_recover_process_cui( + struct xfs_mount *mp, + struct xfs_cui_log_item *cuip) +{ + int i; + int error = 0; + struct xfs_phys_extent *refc; + xfs_fsblock_t startblock_fsb; + bool op_ok; + + ASSERT(!test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags)); + + /* + * First check the validity of the extents described by the + * CUI. If any are bad, then assume that all are bad and + * just toss the CUI. + */ + for (i = 0; i < cuip->cui_format.cui_nextents; i++) { + refc = &(cuip->cui_format.cui_extents[i]); + startblock_fsb = XFS_BB_TO_FSB(mp, + XFS_FSB_TO_DADDR(mp, refc->pe_startblock)); + switch (refc->pe_flags & XFS_REFCOUNT_EXTENT_TYPE_MASK) { + case XFS_REFCOUNT_EXTENT_INCREASE: + case XFS_REFCOUNT_EXTENT_DECREASE: + case XFS_REFCOUNT_EXTENT_ALLOC_COW: + case XFS_REFCOUNT_EXTENT_FREE_COW: + op_ok = true; + break; + default: + op_ok = false; + break; + } + if (!op_ok || (startblock_fsb == 0) || + (refc->pe_len == 0) || + (startblock_fsb >= mp->m_sb.sb_dblocks) || + (refc->pe_len >= mp->m_sb.sb_agblocks) || + (refc->pe_flags & ~XFS_REFCOUNT_EXTENT_FLAGS)) { + /* + * This will pull the CUI from the AIL and + * free the memory associated with it. + */ + set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags); + xfs_cui_release(cuip); + return -EIO; + } + } + + /* XXX: do nothing for now */ + set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags); + xfs_cui_release(cuip); + return error; +} + +/* + * When this is called, all of the CUIs which did not have + * corresponding CUDs should be in the AIL. What we do now + * is update the rmaps associated with each one. + * + * Since we process the CUIs in normal transactions, they + * will be removed at some point after the commit. This prevents + * us from just walking down the list processing each one. + * We'll use a flag in the CUI to skip those that we've already + * processed and use the AIL iteration mechanism's generation + * count to try to speed this up at least a bit. + * + * When we start, we know that the CUIs are the only things in + * the AIL. As we process them, however, other items are added + * to the AIL. Since everything added to the AIL must come after + * everything already in the AIL, we stop processing as soon as + * we see something other than an CUI in the AIL. + */ +STATIC int +xlog_recover_process_cuis( + struct xlog *log) +{ + struct xfs_log_item *lip; + struct xfs_cui_log_item *cuip; + int error = 0; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp; + + ailp = log->l_ailp; + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + /* + * We're done when we see something other than an intent. + * There should be no intents left in the AIL now. + */ + if (!xlog_item_is_intent(lip)) { +#ifdef DEBUG + for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) + ASSERT(!xlog_item_is_intent(lip)); +#endif + break; + } + + /* Skip anything that isn't an CUI */ + if (lip->li_type != XFS_LI_CUI) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + /* + * Skip CUIs that we've already processed. + */ + cuip = container_of(lip, struct xfs_cui_log_item, cui_item); + if (test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags)) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + spin_unlock(&ailp->xa_lock); + error = xlog_recover_process_cui(log->l_mp, cuip); + spin_lock(&ailp->xa_lock); + if (error) + goto out; + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } +out: + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + return error; +} + +/* + * A cancel occurs when the mount has failed and we're bailing out. Release all + * pending CUIs so they don't pin the AIL. + */ +STATIC int +xlog_recover_cancel_cuis( + struct xlog *log) +{ + struct xfs_log_item *lip; + struct xfs_cui_log_item *cuip; + int error = 0; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp; + + ailp = log->l_ailp; + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + /* + * We're done when we see something other than an CUI. + * There should be no CUIs left in the AIL now. + */ + if (!xlog_item_is_intent(lip)) { +#ifdef DEBUG + for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) + ASSERT(!xlog_item_is_intent(lip)); +#endif + break; + } + + /* Skip anything that isn't an CUI */ + if (lip->li_type != XFS_LI_CUI) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + cuip = container_of(lip, struct xfs_cui_log_item, cui_item); + + spin_unlock(&ailp->xa_lock); + xfs_cui_release(cuip); + spin_lock(&ailp->xa_lock); + + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } + + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + return error; +} + +/* * This routine performs a transaction to null out a bad inode pointer * in an agi unlinked inode hash bucket. */ @@ -5515,6 +5802,12 @@ xlog_recover_finish( if (log->l_flags & XLOG_RECOVERY_NEEDED) { int error; + error = xlog_recover_process_cuis(log); + if (error) { + xfs_alert(log->l_mp, "Failed to recover CUIs"); + return error; + } + error = xlog_recover_process_ruis(log); if (error) { xfs_alert(log->l_mp, "Failed to recover RUIs"); @@ -5557,7 +5850,11 @@ xlog_recover_cancel( int err2; if (log->l_flags & XLOG_RECOVERY_NEEDED) { - error = xlog_recover_cancel_ruis(log); + error = xlog_recover_cancel_cuis(log); + + err2 = xlog_recover_cancel_ruis(log); + if (err2 && !error) + error = err2; err2 = xlog_recover_cancel_efis(log); if (err2 && !error) diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 67ce2d8..1f6cee0 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2906,6 +2906,36 @@ DEFINE_AG_EXTENT_EVENT(xfs_refcount_find_shared); DEFINE_AG_EXTENT_EVENT(xfs_refcount_find_shared_result); DEFINE_AG_ERROR_EVENT(xfs_refcount_find_shared_error); +TRACE_EVENT(xfs_refcount_finish_one_leftover, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, + int type, xfs_agblock_t agbno, + xfs_extlen_t len, xfs_extlen_t adjusted), + TP_ARGS(mp, agno, type, agbno, len, adjusted), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(int, type) + __field(xfs_agblock_t, agbno) + __field(xfs_extlen_t, len) + __field(xfs_extlen_t, adjusted) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->type = type; + __entry->agbno = agbno; + __entry->len = len; + __entry->adjusted = adjusted; + ), + TP_printk("dev %d:%d type %d agno %u agbno %u len %u adjusted %u", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->type, + __entry->agno, + __entry->agbno, + __entry->len, + __entry->adjusted) +); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index f59d934..2b197fd 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -253,4 +253,19 @@ int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp, xfs_fsblock_t startblock, xfs_filblks_t blockcount, xfs_exntst_t state, struct xfs_btree_cur **pcur); +enum xfs_refcount_intent_type; + +struct xfs_cui_log_item *xfs_trans_get_cui(struct xfs_trans *tp, uint nextents); +void xfs_trans_log_start_refcount_update(struct xfs_trans *tp, + struct xfs_cui_log_item *cuip, + enum xfs_refcount_intent_type type, xfs_fsblock_t startblock, + xfs_filblks_t blockcount); + +struct xfs_cud_log_item *xfs_trans_get_cud(struct xfs_trans *tp, + struct xfs_cui_log_item *cuip, uint nextents); +int xfs_trans_log_finish_refcount_update(struct xfs_trans *tp, + struct xfs_cud_log_item *cudp, + enum xfs_refcount_intent_type type, xfs_fsblock_t startblock, + xfs_extlen_t blockcount, struct xfs_btree_cur **pcur); + #endif /* __XFS_TRANS_H__ */ diff --git a/fs/xfs/xfs_trans_refcount.c b/fs/xfs/xfs_trans_refcount.c new file mode 100644 index 0000000..32701e4 --- /dev/null +++ b/fs/xfs/xfs_trans_refcount.c @@ -0,0 +1,192 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_trans.h" +#include "xfs_trans_priv.h" +#include "xfs_refcount_item.h" +#include "xfs_alloc.h" +#include "xfs_refcount.h" + +/* + * This routine is called to allocate an "refcount update intent" + * log item that will hold nextents worth of extents. The + * caller must use all nextents extents, because we are not + * flexible about this at all. + */ +struct xfs_cui_log_item * +xfs_trans_get_cui( + struct xfs_trans *tp, + uint nextents) +{ + struct xfs_cui_log_item *cuip; + + ASSERT(tp != NULL); + ASSERT(nextents > 0); + + cuip = xfs_cui_init(tp->t_mountp, nextents); + ASSERT(cuip != NULL); + + /* + * Get a log_item_desc to point at the new item. + */ + xfs_trans_add_item(tp, &cuip->cui_item); + return cuip; +} + +/* + * This routine is called to indicate that the described + * extent is to be logged as needing to be freed. It should + * be called once for each extent to be freed. + */ +void +xfs_trans_log_start_refcount_update( + struct xfs_trans *tp, + struct xfs_cui_log_item *cuip, + enum xfs_refcount_intent_type type, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount) +{ + uint next_extent; + struct xfs_phys_extent *refc; + + tp->t_flags |= XFS_TRANS_DIRTY; + cuip->cui_item.li_desc->lid_flags |= XFS_LID_DIRTY; + + /* + * atomic_inc_return gives us the value after the increment; + * we want to use it as an array index so we need to subtract 1 from + * it. + */ + next_extent = atomic_inc_return(&cuip->cui_next_extent) - 1; + ASSERT(next_extent < cuip->cui_format.cui_nextents); + refc = &(cuip->cui_format.cui_extents[next_extent]); + refc->pe_startblock = startblock; + refc->pe_len = blockcount; + refc->pe_flags = 0; + switch (type) { + case XFS_REFCOUNT_INCREASE: + refc->pe_flags |= XFS_REFCOUNT_EXTENT_INCREASE; + break; + case XFS_REFCOUNT_DECREASE: + refc->pe_flags |= XFS_REFCOUNT_EXTENT_DECREASE; + break; + case XFS_REFCOUNT_ALLOC_COW: + refc->pe_flags |= XFS_REFCOUNT_EXTENT_ALLOC_COW; + break; + case XFS_REFCOUNT_FREE_COW: + refc->pe_flags |= XFS_REFCOUNT_EXTENT_FREE_COW; + break; + default: + ASSERT(0); + } +} + + +/* + * This routine is called to allocate an "extent free done" + * log item that will hold nextents worth of extents. The + * caller must use all nextents extents, because we are not + * flexible about this at all. + */ +struct xfs_cud_log_item * +xfs_trans_get_cud( + struct xfs_trans *tp, + struct xfs_cui_log_item *cuip, + uint nextents) +{ + struct xfs_cud_log_item *cudp; + + ASSERT(tp != NULL); + ASSERT(nextents > 0); + + cudp = xfs_cud_init(tp->t_mountp, cuip, nextents); + ASSERT(cudp != NULL); + + /* + * Get a log_item_desc to point at the new item. + */ + xfs_trans_add_item(tp, &cudp->cud_item); + return cudp; +} + +/* + * Finish an refcount update and log it to the CUD. Note that the transaction is + * marked dirty regardless of whether the refcount update succeeds or fails to + * support the CUI/CUD lifecycle rules. + */ +int +xfs_trans_log_finish_refcount_update( + struct xfs_trans *tp, + struct xfs_cud_log_item *cudp, + enum xfs_refcount_intent_type type, + xfs_fsblock_t startblock, + xfs_extlen_t blockcount, + struct xfs_btree_cur **pcur) +{ + uint next_extent; + struct xfs_phys_extent *refc; + int error; + + /* XXX: leave this empty for now */ + error = -EFSCORRUPTED; + + /* + * Mark the transaction dirty, even on error. This ensures the + * transaction is aborted, which: + * + * 1.) releases the CUI and frees the CUD + * 2.) shuts down the filesystem + */ + tp->t_flags |= XFS_TRANS_DIRTY; + cudp->cud_item.li_desc->lid_flags |= XFS_LID_DIRTY; + + next_extent = cudp->cud_next_extent; + ASSERT(next_extent < cudp->cud_format.cud_nextents); + refc = &(cudp->cud_format.cud_extents[next_extent]); + refc->pe_startblock = startblock; + refc->pe_len = blockcount; + refc->pe_flags = 0; + switch (type) { + case XFS_REFCOUNT_INCREASE: + refc->pe_flags |= XFS_REFCOUNT_EXTENT_INCREASE; + break; + case XFS_REFCOUNT_DECREASE: + refc->pe_flags |= XFS_REFCOUNT_EXTENT_DECREASE; + break; + case XFS_REFCOUNT_ALLOC_COW: + refc->pe_flags |= XFS_REFCOUNT_EXTENT_ALLOC_COW; + break; + case XFS_REFCOUNT_FREE_COW: + refc->pe_flags |= XFS_REFCOUNT_EXTENT_FREE_COW; + break; + default: + ASSERT(0); + } + cudp->cud_next_extent++; + + return error; +} From darrick.wong@oracle.com Thu Jun 16 20:24:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DA5CA7CB4 for ; Thu, 16 Jun 2016 20:24:48 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id AB404304039 for ; Thu, 16 Jun 2016 18:24:48 -0700 (PDT) X-ASG-Debug-ID: 1466126684-04cb6c542757730001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Ab8rHDtkcPm0PxLw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:45 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Ofjw028252 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:24:41 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Oeb2015057 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:40 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ObTI007926; Fri, 17 Jun 2016 01:24:39 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:37 -0700 Subject: [PATCH 063/119] xfs: adjust refcount of an extent of blocks in refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 063/119] xfs: adjust refcount of an extent of blocks in refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:35 -0700 Message-ID: <146612667589.12839.17197885347586278821.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126684 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 25238 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide functions to adjust the reference counts for an extent of physical blocks stored in the refcount btree. v2: Refactor the left/right split code into a single function. Track the number of btree shape changes and record updates during a refcount update so that we can decide if we need to get a fresh transaction to continue. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_refcount.c | 783 ++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_error.h | 4 2 files changed, 786 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index 4d483b5..d13393b 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -37,6 +37,12 @@ #include "xfs_bit.h" #include "xfs_refcount.h" +/* Allowable refcount adjustment amounts. */ +enum xfs_refc_adjust_op { + XFS_REFCOUNT_ADJUST_INCREASE = 1, + XFS_REFCOUNT_ADJUST_DECREASE = -1, +}; + /* * Look up the first record less than or equal to [bno, len] in the btree * given by cur. @@ -175,3 +181,780 @@ out_error: cur->bc_private.a.agno, error, _RET_IP_); return error; } + +/* + * Adjusting the Reference Count + * + * As stated elsewhere, the reference count btree (refcbt) stores + * >1 reference counts for extents of physical blocks. In this + * operation, we're either raising or lowering the reference count of + * some subrange stored in the tree: + * + * <------ adjustment range ------> + * ----+ +---+-----+ +--+--------+--------- + * 2 | | 3 | 4 | |17| 55 | 10 + * ----+ +---+-----+ +--+--------+--------- + * X axis is physical blocks number; + * reference counts are the numbers inside the rectangles + * + * The first thing we need to do is to ensure that there are no + * refcount extents crossing either boundary of the range to be + * adjusted. For any extent that does cross a boundary, split it into + * two extents so that we can increment the refcount of one of the + * pieces later: + * + * <------ adjustment range ------> + * ----+ +---+-----+ +--+--------+----+---- + * 2 | | 3 | 2 | |17| 55 | 10 | 10 + * ----+ +---+-----+ +--+--------+----+---- + * + * For this next step, let's assume that all the physical blocks in + * the adjustment range are mapped to a file and are therefore in use + * at least once. Therefore, we can infer that any gap in the + * refcount tree within the adjustment range represents a physical + * extent with refcount == 1: + * + * <------ adjustment range ------> + * ----+---+---+-----+-+--+--------+----+---- + * 2 |"1"| 3 | 2 |1|17| 55 | 10 | 10 + * ----+---+---+-----+-+--+--------+----+---- + * ^ + * + * For each extent that falls within the interval range, figure out + * which extent is to the left or the right of that extent. Now we + * have a left, current, and right extent. If the new reference count + * of the center extent enables us to merge left, center, and right + * into one record covering all three, do so. If the center extent is + * at the left end of the range, abuts the left extent, and its new + * reference count matches the left extent's record, then merge them. + * If the center extent is at the right end of the range, abuts the + * right extent, and the reference counts match, merge those. In the + * example, we can left merge (assuming an increment operation): + * + * <------ adjustment range ------> + * --------+---+-----+-+--+--------+----+---- + * 2 | 3 | 2 |1|17| 55 | 10 | 10 + * --------+---+-----+-+--+--------+----+---- + * ^ + * + * For all other extents within the range, adjust the reference count + * or delete it if the refcount falls below 2. If we were + * incrementing, the end result looks like this: + * + * <------ adjustment range ------> + * --------+---+-----+-+--+--------+----+---- + * 2 | 4 | 3 |2|18| 56 | 11 | 10 + * --------+---+-----+-+--+--------+----+---- + * + * The result of a decrement operation looks as such: + * + * <------ adjustment range ------> + * ----+ +---+ +--+--------+----+---- + * 2 | | 2 | |16| 54 | 9 | 10 + * ----+ +---+ +--+--------+----+---- + * DDDD 111111DD + * + * The blocks marked "D" are freed; the blocks marked "1" are only + * referenced once and therefore the record is removed from the + * refcount btree. + */ + +#define RCNEXT(rc) ((rc).rc_startblock + (rc).rc_blockcount) +/* + * Split a refcount extent that crosses agbno. + */ +STATIC int +xfs_refcount_split_extent( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + bool *shape_changed) +{ + struct xfs_refcount_irec rcext, tmp; + int found_rec; + int error; + + *shape_changed = false; + error = xfs_refcountbt_lookup_le(cur, agbno, &found_rec); + if (error) + goto out_error; + if (!found_rec) + return 0; + + error = xfs_refcountbt_get_rec(cur, &rcext, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + if (rcext.rc_startblock == agbno || RCNEXT(rcext) <= agbno) + return 0; + + *shape_changed = true; + trace_xfs_refcount_split_extent(cur->bc_mp, cur->bc_private.a.agno, + &rcext, agbno); + + /* Establish the right extent. */ + tmp = rcext; + tmp.rc_startblock = agbno; + tmp.rc_blockcount -= (agbno - rcext.rc_startblock); + error = xfs_refcountbt_update(cur, &tmp); + if (error) + goto out_error; + + /* Insert the left extent. */ + tmp = rcext; + tmp.rc_blockcount = agbno - rcext.rc_startblock; + error = xfs_refcountbt_insert(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + return error; + +out_error: + trace_xfs_refcount_split_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Merge the left, center, and right extents. + */ +STATIC int +xfs_refcount_merge_center_extent( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *left, + struct xfs_refcount_irec *center, + unsigned long long extlen, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen) +{ + int error; + int found_rec; + + error = xfs_refcountbt_lookup_ge(cur, center->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + if (center->rc_refcount > 1) { + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + } + + error = xfs_refcountbt_lookup_le(cur, left->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + left->rc_blockcount = extlen; + error = xfs_refcountbt_update(cur, left); + if (error) + goto out_error; + + *aglen = 0; + return error; + +out_error: + trace_xfs_refcount_merge_center_extents_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Merge with the left extent. + */ +STATIC int +xfs_refcount_merge_left_extent( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *left, + struct xfs_refcount_irec *cleft, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen) +{ + int error; + int found_rec; + + if (cleft->rc_refcount > 1) { + error = xfs_refcountbt_lookup_le(cur, cleft->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + } + + error = xfs_refcountbt_lookup_le(cur, left->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + left->rc_blockcount += cleft->rc_blockcount; + error = xfs_refcountbt_update(cur, left); + if (error) + goto out_error; + + *agbno += cleft->rc_blockcount; + *aglen -= cleft->rc_blockcount; + return error; + +out_error: + trace_xfs_refcount_merge_left_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Merge with the right extent. + */ +STATIC int +xfs_refcount_merge_right_extent( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *right, + struct xfs_refcount_irec *cright, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen) +{ + int error; + int found_rec; + + if (cright->rc_refcount > 1) { + error = xfs_refcountbt_lookup_le(cur, cright->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + } + + error = xfs_refcountbt_lookup_le(cur, right->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + right->rc_startblock -= cright->rc_blockcount; + right->rc_blockcount += cright->rc_blockcount; + error = xfs_refcountbt_update(cur, right); + if (error) + goto out_error; + + *aglen -= cright->rc_blockcount; + return error; + +out_error: + trace_xfs_refcount_merge_right_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Find the left extent and the one after it (cleft). This function assumes + * that we've already split any extent crossing agbno. + */ +STATIC int +xfs_refcount_find_left_extents( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *left, + struct xfs_refcount_irec *cleft, + xfs_agblock_t agbno, + xfs_extlen_t aglen) +{ + struct xfs_refcount_irec tmp; + int error; + int found_rec; + + left->rc_blockcount = cleft->rc_blockcount = 0; + error = xfs_refcountbt_lookup_le(cur, agbno - 1, &found_rec); + if (error) + goto out_error; + if (!found_rec) + return 0; + + error = xfs_refcountbt_get_rec(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + if (RCNEXT(tmp) != agbno) + return 0; + /* We have a left extent; retrieve (or invent) the next right one */ + *left = tmp; + + error = xfs_btree_increment(cur, 0, &found_rec); + if (error) + goto out_error; + if (found_rec) { + error = xfs_refcountbt_get_rec(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + + /* if tmp starts at the end of our range, just use that */ + if (tmp.rc_startblock == agbno) + *cleft = tmp; + else { + /* + * There's a gap in the refcntbt at the start of the + * range we're interested in (refcount == 1) so + * create the implied extent and pass it back. + */ + cleft->rc_startblock = agbno; + cleft->rc_blockcount = min(aglen, + tmp.rc_startblock - agbno); + cleft->rc_refcount = 1; + } + } else { + /* + * No extents, so pretend that there's one covering the whole + * range. + */ + cleft->rc_startblock = agbno; + cleft->rc_blockcount = aglen; + cleft->rc_refcount = 1; + } + trace_xfs_refcount_find_left_extent(cur->bc_mp, cur->bc_private.a.agno, + left, cleft, agbno); + return error; + +out_error: + trace_xfs_refcount_find_left_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Find the right extent and the one before it (cright). This function + * assumes that we've already split any extents crossing agbno + aglen. + */ +STATIC int +xfs_refcount_find_right_extents( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *right, + struct xfs_refcount_irec *cright, + xfs_agblock_t agbno, + xfs_extlen_t aglen) +{ + struct xfs_refcount_irec tmp; + int error; + int found_rec; + + right->rc_blockcount = cright->rc_blockcount = 0; + error = xfs_refcountbt_lookup_ge(cur, agbno + aglen, &found_rec); + if (error) + goto out_error; + if (!found_rec) + return 0; + + error = xfs_refcountbt_get_rec(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + if (tmp.rc_startblock != agbno + aglen) + return 0; + /* We have a right extent; retrieve (or invent) the next left one */ + *right = tmp; + + error = xfs_btree_decrement(cur, 0, &found_rec); + if (error) + goto out_error; + if (found_rec) { + error = xfs_refcountbt_get_rec(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + + /* if tmp ends at the end of our range, just use that */ + if (RCNEXT(tmp) == agbno + aglen) + *cright = tmp; + else { + /* + * There's a gap in the refcntbt at the end of the + * range we're interested in (refcount == 1) so + * create the implied extent and pass it back. + */ + cright->rc_startblock = max(agbno, RCNEXT(tmp)); + cright->rc_blockcount = right->rc_startblock - + cright->rc_startblock; + cright->rc_refcount = 1; + } + } else { + /* + * No extents, so pretend that there's one covering the whole + * range. + */ + cright->rc_startblock = agbno; + cright->rc_blockcount = aglen; + cright->rc_refcount = 1; + } + trace_xfs_refcount_find_right_extent(cur->bc_mp, cur->bc_private.a.agno, + cright, right, agbno + aglen); + return error; + +out_error: + trace_xfs_refcount_find_right_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} +#undef RCNEXT + +/* + * Try to merge with any extents on the boundaries of the adjustment range. + */ +STATIC int +xfs_refcount_merge_extents( + struct xfs_btree_cur *cur, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen, + enum xfs_refc_adjust_op adjust, + bool *shape_changed) +{ + struct xfs_refcount_irec left = {0}, cleft = {0}; + struct xfs_refcount_irec cright = {0}, right = {0}; + int error; + unsigned long long ulen; + bool cequal; + + *shape_changed = false; + /* + * Find the extent just below agbno [left], just above agbno [cleft], + * just below (agbno + aglen) [cright], and just above (agbno + aglen) + * [right]. + */ + error = xfs_refcount_find_left_extents(cur, &left, &cleft, *agbno, + *aglen); + if (error) + return error; + error = xfs_refcount_find_right_extents(cur, &right, &cright, *agbno, + *aglen); + if (error) + return error; + + /* No left or right extent to merge; exit. */ + if (left.rc_blockcount == 0 && right.rc_blockcount == 0) + return 0; + + *shape_changed = true; + cequal = (cleft.rc_startblock == cright.rc_startblock) && + (cleft.rc_blockcount == cright.rc_blockcount); + + /* Try to merge left, cleft, and right. cleft must == cright. */ + ulen = (unsigned long long)left.rc_blockcount + cleft.rc_blockcount + + right.rc_blockcount; + if (left.rc_blockcount != 0 && right.rc_blockcount != 0 && + cleft.rc_blockcount != 0 && cright.rc_blockcount != 0 && + cequal && + left.rc_refcount == cleft.rc_refcount + adjust && + right.rc_refcount == cleft.rc_refcount + adjust && + ulen < MAXREFCEXTLEN) { + trace_xfs_refcount_merge_center_extents(cur->bc_mp, + cur->bc_private.a.agno, &left, &cleft, &right); + return xfs_refcount_merge_center_extent(cur, &left, &cleft, + ulen, agbno, aglen); + } + + /* Try to merge left and cleft. */ + ulen = (unsigned long long)left.rc_blockcount + cleft.rc_blockcount; + if (left.rc_blockcount != 0 && cleft.rc_blockcount != 0 && + left.rc_refcount == cleft.rc_refcount + adjust && + ulen < MAXREFCEXTLEN) { + trace_xfs_refcount_merge_left_extent(cur->bc_mp, + cur->bc_private.a.agno, &left, &cleft); + error = xfs_refcount_merge_left_extent(cur, &left, &cleft, + agbno, aglen); + if (error) + return error; + + /* + * If we just merged left + cleft and cleft == cright, + * we no longer have a cright to merge with right. We're done. + */ + if (cequal) + return 0; + } + + /* Try to merge cright and right. */ + ulen = (unsigned long long)right.rc_blockcount + cright.rc_blockcount; + if (right.rc_blockcount != 0 && cright.rc_blockcount != 0 && + right.rc_refcount == cright.rc_refcount + adjust && + ulen < MAXREFCEXTLEN) { + trace_xfs_refcount_merge_right_extent(cur->bc_mp, + cur->bc_private.a.agno, &cright, &right); + return xfs_refcount_merge_right_extent(cur, &right, &cright, + agbno, aglen); + } + + return error; +} + +/* + * While we're adjusting the refcounts records of an extent, we have + * to keep an eye on the number of extents we're dirtying -- run too + * many in a single transaction and we'll exceed the transaction's + * reservation and crash the fs. Each record adds 12 bytes to the + * log (plus any key updates) so we'll conservatively assume 24 bytes + * per record. We must also leave space for btree splits on both ends + * of the range and space for the CUD and a new CUI. + * + * XXX: This is a pretty hand-wavy estimate. The penalty for guessing + * true incorrectly is a shutdown FS; the penalty for guessing false + * incorrectly is more transaction rolls than might be necessary. + * Be conservative here. + */ +static bool +xfs_refcount_still_have_space( + struct xfs_btree_cur *cur) +{ + unsigned long overhead; + + overhead = cur->bc_private.a.priv.refc.shape_changes * + xfs_allocfree_log_count(cur->bc_mp, 1); + overhead *= cur->bc_mp->m_sb.sb_blocksize; + + /* + * Only allow 2 refcount extent updates per transaction if the + * refcount continue update "error" has been injected. + */ + if (cur->bc_private.a.priv.refc.nr_ops > 2 && + XFS_TEST_ERROR(false, cur->bc_mp, + XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE, + XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE)) + return false; + + if (cur->bc_private.a.priv.refc.nr_ops == 0) + return true; + else if (overhead > cur->bc_tp->t_log_res) + return false; + return cur->bc_tp->t_log_res - overhead > + cur->bc_private.a.priv.refc.nr_ops * 32; +} + +/* + * Adjust the refcounts of middle extents. At this point we should have + * split extents that crossed the adjustment range; merged with adjacent + * extents; and updated agbno/aglen to reflect the merges. Therefore, + * all we have to do is update the extents inside [agbno, agbno + aglen]. + */ +STATIC int +xfs_refcount_adjust_extents( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + xfs_extlen_t *adjusted, + enum xfs_refc_adjust_op adj, + struct xfs_defer_ops *dfops, + struct xfs_owner_info *oinfo) +{ + struct xfs_refcount_irec ext, tmp; + int error; + int found_rec, found_tmp; + xfs_fsblock_t fsbno; + + /* Merging did all the work already. */ + if (aglen == 0) + return 0; + + error = xfs_refcountbt_lookup_ge(cur, agbno, &found_rec); + if (error) + goto out_error; + + while (aglen > 0 && xfs_refcount_still_have_space(cur)) { + error = xfs_refcountbt_get_rec(cur, &ext, &found_rec); + if (error) + goto out_error; + if (!found_rec) { + ext.rc_startblock = cur->bc_mp->m_sb.sb_agblocks; + ext.rc_blockcount = 0; + ext.rc_refcount = 0; + } + + /* + * Deal with a hole in the refcount tree; if a file maps to + * these blocks and there's no refcountbt recourd, pretend that + * there is one with refcount == 1. + */ + if (ext.rc_startblock != agbno) { + tmp.rc_startblock = agbno; + tmp.rc_blockcount = min(aglen, + ext.rc_startblock - agbno); + tmp.rc_refcount = 1 + adj; + trace_xfs_refcount_modify_extent(cur->bc_mp, + cur->bc_private.a.agno, &tmp); + + /* + * Either cover the hole (increment) or + * delete the range (decrement). + */ + if (tmp.rc_refcount) { + error = xfs_refcountbt_insert(cur, &tmp, + &found_tmp); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + found_tmp == 1, out_error); + cur->bc_private.a.priv.refc.nr_ops++; + } else { + fsbno = XFS_AGB_TO_FSB(cur->bc_mp, + cur->bc_private.a.agno, + tmp.rc_startblock); + xfs_bmap_add_free(cur->bc_mp, dfops, fsbno, + tmp.rc_blockcount, oinfo); + } + + (*adjusted) += tmp.rc_blockcount; + agbno += tmp.rc_blockcount; + aglen -= tmp.rc_blockcount; + + error = xfs_refcountbt_lookup_ge(cur, agbno, + &found_rec); + if (error) + goto out_error; + } + + /* Stop if there's nothing left to modify */ + if (aglen == 0 || !xfs_refcount_still_have_space(cur)) + break; + + /* + * Adjust the reference count and either update the tree + * (incr) or free the blocks (decr). + */ + if (ext.rc_refcount == MAXREFCOUNT) + goto skip; + ext.rc_refcount += adj; + trace_xfs_refcount_modify_extent(cur->bc_mp, + cur->bc_private.a.agno, &ext); + if (ext.rc_refcount > 1) { + error = xfs_refcountbt_update(cur, &ext); + if (error) + goto out_error; + cur->bc_private.a.priv.refc.nr_ops++; + } else if (ext.rc_refcount == 1) { + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + found_rec == 1, out_error); + cur->bc_private.a.priv.refc.nr_ops++; + goto advloop; + } else { + fsbno = XFS_AGB_TO_FSB(cur->bc_mp, + cur->bc_private.a.agno, + ext.rc_startblock); + xfs_bmap_add_free(cur->bc_mp, dfops, fsbno, + ext.rc_blockcount, oinfo); + } + +skip: + error = xfs_btree_increment(cur, 0, &found_rec); + if (error) + goto out_error; + +advloop: + (*adjusted) += ext.rc_blockcount; + agbno += ext.rc_blockcount; + aglen -= ext.rc_blockcount; + } + + return error; +out_error: + trace_xfs_refcount_modify_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* Adjust the reference count of a range of AG blocks. */ +STATIC int +xfs_refcount_adjust( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + xfs_extlen_t *adjusted, + enum xfs_refc_adjust_op adj, + struct xfs_defer_ops *dfops, + struct xfs_owner_info *oinfo) +{ + xfs_extlen_t orig_aglen; + bool shape_changed; + int shape_changes = 0; + int error; + + *adjusted = 0; + switch (adj) { + case XFS_REFCOUNT_ADJUST_INCREASE: + trace_xfs_refcount_increase(cur->bc_mp, cur->bc_private.a.agno, + agbno, aglen); + break; + case XFS_REFCOUNT_ADJUST_DECREASE: + trace_xfs_refcount_decrease(cur->bc_mp, cur->bc_private.a.agno, + agbno, aglen); + break; + default: + ASSERT(0); + } + + /* + * Ensure that no rcextents cross the boundary of the adjustment range. + */ + error = xfs_refcount_split_extent(cur, agbno, &shape_changed); + if (error) + goto out_error; + if (shape_changed) + shape_changes++; + + error = xfs_refcount_split_extent(cur, agbno + aglen, &shape_changed); + if (error) + goto out_error; + if (shape_changed) + shape_changes++; + + /* + * Try to merge with the left or right extents of the range. + */ + orig_aglen = aglen; + error = xfs_refcount_merge_extents(cur, &agbno, &aglen, adj, + &shape_changed); + if (error) + goto out_error; + if (shape_changed) + shape_changes++; + (*adjusted) += orig_aglen - aglen; + if (shape_changes) + cur->bc_private.a.priv.refc.shape_changes++; + + /* Now that we've taken care of the ends, adjust the middle extents */ + error = xfs_refcount_adjust_extents(cur, agbno, aglen, adjusted, adj, + dfops, oinfo); + if (error) + goto out_error; + + return 0; + +out_error: + trace_xfs_refcount_adjust_error(cur->bc_mp, cur->bc_private.a.agno, + error, _RET_IP_); + return error; +} diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 6bc614c..ffeffb5 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -92,7 +92,8 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_ERRTAG_BMAPIFORMAT 21 #define XFS_ERRTAG_FREE_EXTENT 22 #define XFS_ERRTAG_RMAP_FINISH_ONE 23 -#define XFS_ERRTAG_MAX 24 +#define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE 24 +#define XFS_ERRTAG_MAX 25 /* * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. @@ -121,6 +122,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT #define XFS_RANDOM_FREE_EXTENT 1 #define XFS_RANDOM_RMAP_FINISH_ONE 1 +#define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE 1 #ifdef DEBUG extern int xfs_error_test_active; From darrick.wong@oracle.com Thu Jun 16 20:24:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1C9767E39 for ; Thu, 16 Jun 2016 20:24:53 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E21BC304048 for ; Thu, 16 Jun 2016 18:24:52 -0700 (PDT) X-ASG-Debug-ID: 1466126689-04cb6c542557730001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id sSHftcDQXeD75zS0 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:49 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Okla009069 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:47 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Oktl021239 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:46 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1OiZD007982; Fri, 17 Jun 2016 01:24:45 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:43 -0700 Subject: [PATCH 064/119] xfs: connect refcount adjust functions to upper layers From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 064/119] xfs: connect refcount adjust functions to upper layers To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:42 -0700 Message-ID: <146612668240.12839.9385528375591866350.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126689 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 17687 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the upper level interface to schedule and finish deferred refcount operations via the deferred ops mechanism. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_defer.h | 1 fs/xfs/libxfs/xfs_refcount.c | 171 ++++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_refcount.h | 12 +++ fs/xfs/xfs_defer_item.c | 132 ++++++++++++++++++++++++++++++++ fs/xfs/xfs_error.h | 4 + fs/xfs/xfs_log_recover.c | 79 +++++++++++++++++++ fs/xfs/xfs_trace.h | 3 + fs/xfs/xfs_trans.h | 6 + fs/xfs/xfs_trans_refcount.c | 10 ++ 9 files changed, 411 insertions(+), 7 deletions(-) diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h index 920642e62..4081b00 100644 --- a/fs/xfs/libxfs/xfs_defer.h +++ b/fs/xfs/libxfs/xfs_defer.h @@ -51,6 +51,7 @@ struct xfs_defer_pending { * find all the space it needs. */ enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_REFCOUNT, XFS_DEFER_OPS_TYPE_RMAP, XFS_DEFER_OPS_TYPE_FREE, XFS_DEFER_OPS_TYPE_MAX, diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index d13393b..bfbdbad 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -958,3 +958,174 @@ out_error: error, _RET_IP_); return error; } + +/* Clean up after calling xfs_refcount_finish_one. */ +void +xfs_refcount_finish_one_cleanup( + struct xfs_trans *tp, + struct xfs_btree_cur *rcur, + int error) +{ + struct xfs_buf *agbp; + + if (rcur == NULL) + return; + agbp = rcur->bc_private.a.agbp; + xfs_btree_del_cursor(rcur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(tp, agbp); +} + +/* + * Process one of the deferred refcount operations. We pass back the + * btree cursor to maintain our lock on the btree between calls. + * This saves time and eliminates a buffer deadlock between the + * superblock and the AGF because we'll always grab them in the same + * order. + */ +int +xfs_refcount_finish_one( + struct xfs_trans *tp, + struct xfs_defer_ops *dfops, + enum xfs_refcount_intent_type type, + xfs_fsblock_t startblock, + xfs_extlen_t blockcount, + xfs_extlen_t *adjusted, + struct xfs_btree_cur **pcur) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_btree_cur *rcur; + struct xfs_buf *agbp = NULL; + int error = 0; + xfs_agnumber_t agno; + xfs_agblock_t bno; + unsigned long nr_ops = 0; + int shape_changes = 0; + + agno = XFS_FSB_TO_AGNO(mp, startblock); + ASSERT(agno != NULLAGNUMBER); + bno = XFS_FSB_TO_AGBNO(mp, startblock); + + trace_xfs_refcount_deferred(mp, XFS_FSB_TO_AGNO(mp, startblock), + type, XFS_FSB_TO_AGBNO(mp, startblock), + blockcount); + + if (XFS_TEST_ERROR(false, mp, + XFS_ERRTAG_REFCOUNT_FINISH_ONE, + XFS_RANDOM_REFCOUNT_FINISH_ONE)) + return -EIO; + + /* + * If we haven't gotten a cursor or the cursor AG doesn't match + * the startblock, get one now. + */ + rcur = *pcur; + if (rcur != NULL && rcur->bc_private.a.agno != agno) { + nr_ops = rcur->bc_private.a.priv.refc.nr_ops; + shape_changes = rcur->bc_private.a.priv.refc.shape_changes; + xfs_refcount_finish_one_cleanup(tp, rcur, 0); + rcur = NULL; + *pcur = NULL; + } + if (rcur == NULL) { + error = xfs_alloc_read_agf(tp->t_mountp, tp, agno, + XFS_ALLOC_FLAG_FREEING, &agbp); + if (error) + return error; + if (!agbp) + return -EFSCORRUPTED; + + rcur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, dfops); + if (!rcur) { + error = -ENOMEM; + goto out_cur; + } + rcur->bc_private.a.priv.refc.nr_ops = nr_ops; + rcur->bc_private.a.priv.refc.shape_changes = shape_changes; + } + *pcur = rcur; + + switch (type) { + case XFS_REFCOUNT_INCREASE: + error = xfs_refcount_adjust(rcur, bno, blockcount, adjusted, + XFS_REFCOUNT_ADJUST_INCREASE, dfops, NULL); + break; + case XFS_REFCOUNT_DECREASE: + error = xfs_refcount_adjust(rcur, bno, blockcount, adjusted, + XFS_REFCOUNT_ADJUST_DECREASE, dfops, NULL); + break; + default: + ASSERT(0); + error = -EFSCORRUPTED; + } + if (!error && *adjusted != blockcount) + trace_xfs_refcount_finish_one_leftover(mp, agno, type, + bno, blockcount, *adjusted); + return error; + +out_cur: + xfs_trans_brelse(tp, agbp); + + return error; +} + +/* + * Record a refcount intent for later processing. + */ +static int +__xfs_refcount_add( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_refcount_intent *ri) +{ + struct xfs_refcount_intent *new; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return 0; + + trace_xfs_refcount_defer(mp, XFS_FSB_TO_AGNO(mp, ri->ri_startblock), + ri->ri_type, XFS_FSB_TO_AGBNO(mp, ri->ri_startblock), + ri->ri_blockcount); + + new = kmem_zalloc(sizeof(struct xfs_refcount_intent), + KM_SLEEP | KM_NOFS); + *new = *ri; + + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_REFCOUNT, &new->ri_list); + return 0; +} + +/* + * Increase the reference count of the blocks backing a file's extent. + */ +int +xfs_refcount_increase_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_refcount_intent ri; + + ri.ri_type = XFS_REFCOUNT_INCREASE; + ri.ri_startblock = PREV->br_startblock; + ri.ri_blockcount = PREV->br_blockcount; + + return __xfs_refcount_add(mp, dfops, &ri); +} + +/* + * Decrease the reference count of the blocks backing a file's extent. + */ +int +xfs_refcount_decrease_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_refcount_intent ri; + + ri.ri_type = XFS_REFCOUNT_DECREASE; + ri.ri_startblock = PREV->br_startblock; + ri.ri_blockcount = PREV->br_blockcount; + + return __xfs_refcount_add(mp, dfops, &ri); +} diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h index 0b36c1d..92c05ea 100644 --- a/fs/xfs/libxfs/xfs_refcount.h +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -41,4 +41,16 @@ struct xfs_refcount_intent { xfs_extlen_t ri_blockcount; }; +extern int xfs_refcount_increase_extent(struct xfs_mount *mp, + struct xfs_defer_ops *dfops, struct xfs_bmbt_irec *irec); +extern int xfs_refcount_decrease_extent(struct xfs_mount *mp, + struct xfs_defer_ops *dfops, struct xfs_bmbt_irec *irec); + +extern void xfs_refcount_finish_one_cleanup(struct xfs_trans *tp, + struct xfs_btree_cur *rcur, int error); +extern int xfs_refcount_finish_one(struct xfs_trans *tp, + struct xfs_defer_ops *dfops, enum xfs_refcount_intent_type type, + xfs_fsblock_t startblock, xfs_extlen_t blockcount, + xfs_extlen_t *adjusted, struct xfs_btree_cur **pcur); + #endif /* __XFS_REFCOUNT_H__ */ diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c index 9ed060d..2cac94f 100644 --- a/fs/xfs/xfs_defer_item.c +++ b/fs/xfs/xfs_defer_item.c @@ -33,6 +33,8 @@ #include "xfs_extfree_item.h" #include "xfs_rmap_btree.h" #include "xfs_rmap_item.h" +#include "xfs_refcount.h" +#include "xfs_refcount_item.h" /* Extent Freeing */ @@ -263,12 +265,142 @@ const struct xfs_defer_op_type xfs_rmap_update_defer_type = { .cancel_item = xfs_rmap_update_cancel_item, }; +/* Reference Counting */ + +/* Sort rmap intents by AG. */ +static int +xfs_refcount_update_diff_items( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_mount *mp = priv; + struct xfs_refcount_intent *ra; + struct xfs_refcount_intent *rb; + + ra = container_of(a, struct xfs_refcount_intent, ri_list); + rb = container_of(b, struct xfs_refcount_intent, ri_list); + return XFS_FSB_TO_AGNO(mp, ra->ri_startblock) - + XFS_FSB_TO_AGNO(mp, rb->ri_startblock); +} + +/* Get an CUI. */ +STATIC void * +xfs_refcount_update_create_intent( + struct xfs_trans *tp, + unsigned int count) +{ + return xfs_trans_get_cui(tp, count); +} + +/* Log refcount updates in the intent item. */ +STATIC void +xfs_refcount_update_log_item( + struct xfs_trans *tp, + void *intent, + struct list_head *item) +{ + struct xfs_refcount_intent *refc; + + refc = container_of(item, struct xfs_refcount_intent, ri_list); + xfs_trans_log_start_refcount_update(tp, intent, refc->ri_type, + refc->ri_startblock, + refc->ri_blockcount); +} + +/* Get an CUD so we can process all the deferred refcount updates. */ +STATIC void * +xfs_refcount_update_create_done( + struct xfs_trans *tp, + void *intent, + unsigned int count) +{ + return xfs_trans_get_cud(tp, intent, count); +} + +/* Process a deferred refcount update. */ +STATIC int +xfs_refcount_update_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + struct xfs_refcount_intent *refc; + xfs_extlen_t adjusted; + int error; + + refc = container_of(item, struct xfs_refcount_intent, ri_list); + error = xfs_trans_log_finish_refcount_update(tp, done_item, dop, + refc->ri_type, + refc->ri_startblock, + refc->ri_blockcount, + &adjusted, + (struct xfs_btree_cur **)state); + /* Did we run out of reservation? Requeue what we didn't finish. */ + if (!error && adjusted < refc->ri_blockcount) { + ASSERT(refc->ri_type == XFS_REFCOUNT_INCREASE || + refc->ri_type == XFS_REFCOUNT_DECREASE); + refc->ri_startblock += adjusted; + refc->ri_blockcount -= adjusted; + return -EAGAIN; + } + kmem_free(refc); + return error; +} + +/* Clean up after processing deferred refcounts. */ +STATIC void +xfs_refcount_update_finish_cleanup( + struct xfs_trans *tp, + void *state, + int error) +{ + struct xfs_btree_cur *rcur = state; + + xfs_refcount_finish_one_cleanup(tp, rcur, error); +} + +/* Abort all pending CUIs. */ +STATIC void +xfs_refcount_update_abort_intent( + void *intent) +{ + xfs_cui_release(intent); +} + +/* Cancel a deferred refcount update. */ +STATIC void +xfs_refcount_update_cancel_item( + struct list_head *item) +{ + struct xfs_refcount_intent *refc; + + refc = container_of(item, struct xfs_refcount_intent, ri_list); + kmem_free(refc); +} + +const struct xfs_defer_op_type xfs_refcount_update_defer_type = { + .type = XFS_DEFER_OPS_TYPE_REFCOUNT, + .max_items = XFS_CUI_MAX_FAST_EXTENTS, + .diff_items = xfs_refcount_update_diff_items, + .create_intent = xfs_refcount_update_create_intent, + .abort_intent = xfs_refcount_update_abort_intent, + .log_item = xfs_refcount_update_log_item, + .create_done = xfs_refcount_update_create_done, + .finish_item = xfs_refcount_update_finish_item, + .finish_cleanup = xfs_refcount_update_finish_cleanup, + .cancel_item = xfs_refcount_update_cancel_item, +}; + /* Deferred Item Initialization */ /* Initialize the deferred operation types. */ void xfs_defer_init_types(void) { + xfs_defer_init_op_type(&xfs_refcount_update_defer_type); xfs_defer_init_op_type(&xfs_rmap_update_defer_type); xfs_defer_init_op_type(&xfs_extent_free_defer_type); } diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index ffeffb5..83d7b62 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -93,7 +93,8 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_ERRTAG_FREE_EXTENT 22 #define XFS_ERRTAG_RMAP_FINISH_ONE 23 #define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE 24 -#define XFS_ERRTAG_MAX 25 +#define XFS_ERRTAG_REFCOUNT_FINISH_ONE 25 +#define XFS_ERRTAG_MAX 26 /* * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. @@ -123,6 +124,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_RANDOM_FREE_EXTENT 1 #define XFS_RANDOM_RMAP_FINISH_ONE 1 #define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE 1 +#define XFS_RANDOM_REFCOUNT_FINISH_ONE 1 #ifdef DEBUG extern int xfs_error_test_active; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index e0a470a..ee37dc5 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -47,6 +47,7 @@ #include "xfs_rmap_item.h" #include "xfs_rmap_btree.h" #include "xfs_refcount_item.h" +#include "xfs_refcount.h" #define BLK_AVG(blk1, blk2) ((blk1+blk2) >> 1) @@ -4833,6 +4834,15 @@ xlog_recover_process_cui( struct xfs_phys_extent *refc; xfs_fsblock_t startblock_fsb; bool op_ok; + struct xfs_cud_log_item *cudp; + struct xfs_trans *tp; + struct xfs_btree_cur *rcur = NULL; + enum xfs_refcount_intent_type type; + xfs_fsblock_t firstfsb; + xfs_extlen_t adjusted; + struct xfs_bmbt_irec irec; + struct xfs_defer_ops dfops; + bool requeue_only = false; ASSERT(!test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags)); @@ -4871,9 +4881,74 @@ xlog_recover_process_cui( } } - /* XXX: do nothing for now */ + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp); + if (error) + return error; + cudp = xfs_trans_get_cud(tp, cuip, cuip->cui_format.cui_nextents); + + xfs_defer_init(&dfops, &firstfsb); + for (i = 0; i < cuip->cui_format.cui_nextents; i++) { + refc = &(cuip->cui_format.cui_extents[i]); + switch (refc->pe_flags & XFS_REFCOUNT_EXTENT_TYPE_MASK) { + case XFS_REFCOUNT_EXTENT_INCREASE: + type = XFS_REFCOUNT_INCREASE; + break; + case XFS_REFCOUNT_EXTENT_DECREASE: + type = XFS_REFCOUNT_DECREASE; + break; + case XFS_REFCOUNT_EXTENT_ALLOC_COW: + type = XFS_REFCOUNT_ALLOC_COW; + break; + case XFS_REFCOUNT_EXTENT_FREE_COW: + type = XFS_REFCOUNT_FREE_COW; + break; + default: + error = -EFSCORRUPTED; + goto abort_error; + } + if (requeue_only) + adjusted = 0; + else + error = xfs_trans_log_finish_refcount_update(tp, cudp, + &dfops, type, refc->pe_startblock, refc->pe_len, + &adjusted, &rcur); + if (error) + goto abort_error; + + /* Requeue what we didn't finish. */ + if (adjusted < refc->pe_len) { + irec.br_startblock = refc->pe_startblock + adjusted; + irec.br_blockcount = refc->pe_len - adjusted; + switch (type) { + case XFS_REFCOUNT_INCREASE: + error = xfs_refcount_increase_extent( + tp->t_mountp, &dfops, &irec); + break; + case XFS_REFCOUNT_DECREASE: + error = xfs_refcount_decrease_extent( + tp->t_mountp, &dfops, &irec); + break; + default: + ASSERT(0); + } + if (error) + goto abort_error; + requeue_only = true; + } + } + + xfs_refcount_finish_one_cleanup(tp, rcur, error); + error = xfs_defer_finish(&tp, &dfops, NULL); + if (error) + goto abort_error; set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags); - xfs_cui_release(cuip); + error = xfs_trans_commit(tp); + return error; + +abort_error: + xfs_refcount_finish_one_cleanup(tp, rcur, error); + xfs_defer_cancel(&dfops); + xfs_trans_cancel(tp); return error; } diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 1f6cee0..8366102 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2905,6 +2905,9 @@ DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_rec_order_error); DEFINE_AG_EXTENT_EVENT(xfs_refcount_find_shared); DEFINE_AG_EXTENT_EVENT(xfs_refcount_find_shared_result); DEFINE_AG_ERROR_EVENT(xfs_refcount_find_shared_error); +#define DEFINE_REFCOUNT_DEFERRED_EVENT DEFINE_PHYS_EXTENT_DEFERRED_EVENT +DEFINE_REFCOUNT_DEFERRED_EVENT(xfs_refcount_defer); +DEFINE_REFCOUNT_DEFERRED_EVENT(xfs_refcount_deferred); TRACE_EVENT(xfs_refcount_finish_one_leftover, TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 2b197fd..6b6cb4a 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -33,6 +33,7 @@ struct xfs_trans; struct xfs_trans_res; struct xfs_dquot_acct; struct xfs_busy_extent; +struct xfs_defer_ops; typedef struct xfs_log_item { struct list_head li_ail; /* AIL pointers */ @@ -264,8 +265,9 @@ void xfs_trans_log_start_refcount_update(struct xfs_trans *tp, struct xfs_cud_log_item *xfs_trans_get_cud(struct xfs_trans *tp, struct xfs_cui_log_item *cuip, uint nextents); int xfs_trans_log_finish_refcount_update(struct xfs_trans *tp, - struct xfs_cud_log_item *cudp, + struct xfs_cud_log_item *cudp, struct xfs_defer_ops *dfops, enum xfs_refcount_intent_type type, xfs_fsblock_t startblock, - xfs_extlen_t blockcount, struct xfs_btree_cur **pcur); + xfs_extlen_t blockcount, xfs_extlen_t *adjusted, + struct xfs_btree_cur **pcur); #endif /* __XFS_TRANS_H__ */ diff --git a/fs/xfs/xfs_trans_refcount.c b/fs/xfs/xfs_trans_refcount.c index 32701e4..de30c5a 100644 --- a/fs/xfs/xfs_trans_refcount.c +++ b/fs/xfs/xfs_trans_refcount.c @@ -142,17 +142,19 @@ int xfs_trans_log_finish_refcount_update( struct xfs_trans *tp, struct xfs_cud_log_item *cudp, + struct xfs_defer_ops *dop, enum xfs_refcount_intent_type type, xfs_fsblock_t startblock, xfs_extlen_t blockcount, + xfs_extlen_t *adjusted, struct xfs_btree_cur **pcur) { uint next_extent; struct xfs_phys_extent *refc; int error; - /* XXX: leave this empty for now */ - error = -EFSCORRUPTED; + error = xfs_refcount_finish_one(tp, dop, type, startblock, + blockcount, adjusted, pcur); /* * Mark the transaction dirty, even on error. This ensures the @@ -187,6 +189,10 @@ xfs_trans_log_finish_refcount_update( ASSERT(0); } cudp->cud_next_extent++; + if (!error && *adjusted != blockcount) { + refc->pe_len = *adjusted; + cudp->cud_format.cud_nextents = cudp->cud_next_extent; + } return error; } From darrick.wong@oracle.com Thu Jun 16 20:24:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 41C517E3E for ; Thu, 16 Jun 2016 20:24:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 12349304048 for ; Thu, 16 Jun 2016 18:24:55 -0700 (PDT) X-ASG-Debug-ID: 1466126693-04cbb01fec697a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id ayrkDYUdtzW1NDAm (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:24:53 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Op7P009085 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:51 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1OoJd017018 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:24:51 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1OoGe028748; Fri, 17 Jun 2016 01:24:50 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:50 -0700 Subject: [PATCH 065/119] xfs: adjust refcount when unmapping file blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 065/119] xfs: adjust refcount when unmapping file blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:48 -0700 Message-ID: <146612668881.12839.2370993652366720708.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126693 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1307 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we're unmapping blocks from a reflinked file, decrease the refcount of the affected blocks and free the extents that are no longer in use. v2: Use deferred ops system to avoid deadlocks and running out of transaction reservation. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 972dfc2..9044e39 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -48,6 +48,7 @@ #include "xfs_filestream.h" #include "xfs_rmap_btree.h" #include "xfs_ag_resv.h" +#include "xfs_refcount.h" kmem_zone_t *xfs_bmap_free_item_zone; @@ -5061,9 +5062,16 @@ xfs_bmap_del_extent( /* * If we need to, add to list of extents to delete. */ - if (do_fx) - xfs_bmap_add_free(mp, dfops, del->br_startblock, - del->br_blockcount, NULL); + if (do_fx) { + if (xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) { + error = xfs_refcount_decrease_extent(mp, dfops, del); + if (error) + goto done; + } else + xfs_bmap_add_free(mp, dfops, del->br_startblock, + del->br_blockcount, NULL); + } + /* * Adjust inode # blocks in the file. */ From darrick.wong@oracle.com Thu Jun 16 20:25:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EE3797E3A for ; Thu, 16 Jun 2016 20:25:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B0FA88F804B for ; Thu, 16 Jun 2016 18:25:01 -0700 (PDT) X-ASG-Debug-ID: 1466126700-04cbb01fef697c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id gGwBvTe2fxlUcC6u (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:00 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Ovh4028405 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:24:58 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Ovuf015344 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:24:57 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Ouol028853; Fri, 17 Jun 2016 01:24:57 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:24:56 -0700 Subject: [PATCH 066/119] xfs: add refcount btree block detection to log recovery From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 066/119] xfs: add refcount btree block detection to log recovery To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:24:55 -0700 Message-ID: <146612669508.12839.12845120903495427776.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126700 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 900 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Teach log recovery how to deal with refcount btree blocks. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_log_recover.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index ee37dc5..2235d94 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2238,6 +2238,7 @@ xlog_recover_get_buf_lsn( case XFS_ABTB_MAGIC: case XFS_ABTC_MAGIC: case XFS_RMAP_CRC_MAGIC: + case XFS_REFC_CRC_MAGIC: case XFS_IBT_CRC_MAGIC: case XFS_IBT_MAGIC: { struct xfs_btree_block *btb = blk; @@ -2409,6 +2410,9 @@ xlog_recover_validate_buf_type( case XFS_RMAP_CRC_MAGIC: bp->b_ops = &xfs_rmapbt_buf_ops; break; + case XFS_REFC_CRC_MAGIC: + bp->b_ops = &xfs_refcountbt_buf_ops; + break; default: xfs_warn(mp, "Bad btree block magic!"); ASSERT(0); From darrick.wong@oracle.com Thu Jun 16 20:25:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 21C2C7CB4 for ; Thu, 16 Jun 2016 20:25:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D76038F804B for ; Thu, 16 Jun 2016 18:25:08 -0700 (PDT) X-ASG-Debug-ID: 1466126706-04bdf01e1795b50001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id w55Kp5ddNcLI1xAN (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1P4Lj009458 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:05 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1P36o010741 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:04 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1P3JH024633; Fri, 17 Jun 2016 01:25:03 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:02 -0700 Subject: [PATCH 067/119] xfs: refcount btree requires more reserved space From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 067/119] xfs: refcount btree requires more reserved space To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:01 -0700 Message-ID: <146612670132.12839.1688051800857080032.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126707 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2906 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines The reference count btree is allocated from the free space, which means that we have to ensure that an AG can't run out of free space while performing a refcount operation. In the pathological case each AG block has its own refcntbt record, so we have to keep that much space available. v2: Calculate the maximum possible size of the rmap and refcount btrees based on minimally-full btree blocks. This increases the per-AG block reservations to handle the worst case btree size. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 3 +++ fs/xfs/libxfs/xfs_refcount_btree.c | 23 +++++++++++++++++++++++ fs/xfs/libxfs/xfs_refcount_btree.h | 4 ++++ 3 files changed, 30 insertions(+) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index be5d0df..c46db76 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -38,6 +38,7 @@ #include "xfs_buf_item.h" #include "xfs_log.h" #include "xfs_ag_resv.h" +#include "xfs_refcount_btree.h" struct workqueue_struct *xfs_alloc_wq; @@ -138,6 +139,8 @@ xfs_alloc_ag_max_usable(struct xfs_mount *mp) /* rmap root block + full tree split on full AG */ blocks += 1 + (2 * mp->m_ag_maxlevels) - 1; } + if (xfs_sb_version_hasreflink(&mp->m_sb)) + blocks += xfs_refcountbt_max_size(mp); return mp->m_sb.sb_agblocks - blocks; } diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index 7093c71..a944fca 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -373,3 +373,26 @@ xfs_refcountbt_compute_maxlevels( mp->m_refc_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_refc_mnr, mp->m_sb.sb_agblocks); } + +/* Calculate the refcount btree size for some records. */ +xfs_extlen_t +xfs_refcountbt_calc_size( + struct xfs_mount *mp, + unsigned long long len) +{ + return xfs_btree_calc_size(mp, mp->m_refc_mnr, len); +} + +/* + * Calculate the maximum refcount btree size. + */ +xfs_extlen_t +xfs_refcountbt_max_size( + struct xfs_mount *mp) +{ + /* Bail out if we're uninitialized, which can happen in mkfs. */ + if (mp->m_refc_mxr[0] == 0) + return 0; + + return xfs_refcountbt_calc_size(mp, mp->m_sb.sb_agblocks); +} diff --git a/fs/xfs/libxfs/xfs_refcount_btree.h b/fs/xfs/libxfs/xfs_refcount_btree.h index 9e9ad7c..780b02f 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.h +++ b/fs/xfs/libxfs/xfs_refcount_btree.h @@ -64,4 +64,8 @@ extern int xfs_refcountbt_maxrecs(struct xfs_mount *mp, int blocklen, bool leaf); extern void xfs_refcountbt_compute_maxlevels(struct xfs_mount *mp); +extern xfs_extlen_t xfs_refcountbt_calc_size(struct xfs_mount *mp, + unsigned long long len); +extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp); + #endif /* __XFS_REFCOUNT_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:25:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A50D87DDC for ; Thu, 16 Jun 2016 20:25:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 312B7AC003 for ; Thu, 16 Jun 2016 18:25:15 -0700 (PDT) X-ASG-Debug-ID: 1466126713-04bdf01e1595b60001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id CyMFeXVT8lf0fMC1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:13 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1PBYR028843 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:11 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1P9d5010862 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:10 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1P9N4028936; Fri, 17 Jun 2016 01:25:09 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:09 -0700 Subject: [PATCH 068/119] xfs: introduce reflink utility functions From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 068/119] xfs: introduce reflink utility functions To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, "Darrick J. Wong" Date: Thu, 16 Jun 2016 18:25:07 -0700 Message-ID: <146612670758.12839.3762058851402658987.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126713 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4339 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines These functions will be used by the other reflink functions to find the maximum length of a range of shared blocks. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_refcount.c | 109 ++++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_refcount.h | 4 ++ 2 files changed, 113 insertions(+) diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index bfbdbad..ebbb714 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -1129,3 +1129,112 @@ xfs_refcount_decrease_extent( return __xfs_refcount_add(mp, dfops, &ri); } + +/* + * Given an AG extent, find the lowest-numbered run of shared blocks within + * that range and return the range in fbno/flen. If find_maximal is set, + * return the longest extent of shared blocks; if not, just return the first + * extent we find. If no shared blocks are found, flen will be set to zero. + */ +int +xfs_refcount_find_shared( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + xfs_agblock_t *fbno, + xfs_extlen_t *flen, + bool find_maximal) +{ + struct xfs_btree_cur *cur; + struct xfs_buf *agbp; + struct xfs_refcount_irec tmp; + int error; + int i, have; + int bt_error = XFS_BTREE_ERROR; + + trace_xfs_refcount_find_shared(mp, agno, agbno, aglen); + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + goto out; + cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); + + /* By default, skip the whole range */ + *fbno = agbno + aglen; + *flen = 0; + + /* Try to find a refcount extent that crosses the start */ + error = xfs_refcountbt_lookup_le(cur, agbno, &have); + if (error) + goto out_error; + if (!have) { + /* No left extent, look at the next one */ + error = xfs_btree_increment(cur, 0, &have); + if (error) + goto out_error; + if (!have) + goto done; + } + error = xfs_refcountbt_get_rec(cur, &tmp, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + /* If the extent ends before the start, look at the next one */ + if (tmp.rc_startblock + tmp.rc_blockcount <= agbno) { + error = xfs_btree_increment(cur, 0, &have); + if (error) + goto out_error; + if (!have) + goto done; + error = xfs_refcountbt_get_rec(cur, &tmp, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + } + + /* If the extent ends after the range we want, bail out */ + if (tmp.rc_startblock >= agbno + aglen) + goto done; + + /* We found the start of a shared extent! */ + if (tmp.rc_startblock < agbno) { + tmp.rc_blockcount -= (agbno - tmp.rc_startblock); + tmp.rc_startblock = agbno; + } + + *fbno = tmp.rc_startblock; + *flen = min(tmp.rc_blockcount, agbno + aglen - *fbno); + if (!find_maximal) + goto done; + + /* Otherwise, find the end of this shared extent */ + while (*fbno + *flen < agbno + aglen) { + error = xfs_btree_increment(cur, 0, &have); + if (error) + goto out_error; + if (!have) + break; + error = xfs_refcountbt_get_rec(cur, &tmp, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + if (tmp.rc_startblock >= agbno + aglen || + tmp.rc_startblock != *fbno + *flen) + break; + *flen = min(*flen + tmp.rc_blockcount, agbno + aglen - *fbno); + } + +done: + bt_error = XFS_BTREE_NOERROR; + trace_xfs_refcount_find_shared_result(mp, agno, *fbno, *flen); + +out_error: + xfs_btree_del_cursor(cur, bt_error); + xfs_buf_relse(agbp); +out: + if (error) + trace_xfs_refcount_find_shared_error(mp, agno, error, _RET_IP_); + return error; +} diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h index 92c05ea..b7b83b8 100644 --- a/fs/xfs/libxfs/xfs_refcount.h +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -53,4 +53,8 @@ extern int xfs_refcount_finish_one(struct xfs_trans *tp, xfs_fsblock_t startblock, xfs_extlen_t blockcount, xfs_extlen_t *adjusted, struct xfs_btree_cur **pcur); +extern int xfs_refcount_find_shared(struct xfs_mount *mp, xfs_agnumber_t agno, + xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno, + xfs_extlen_t *flen, bool find_maximal); + #endif /* __XFS_REFCOUNT_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:25:24 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 021CD7CB4 for ; Thu, 16 Jun 2016 20:25:24 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C9011304048 for ; Thu, 16 Jun 2016 18:25:23 -0700 (PDT) X-ASG-Debug-ID: 1466126719-04cb6c5425577f0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id tckMixS1TBn2tMgC (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1PH8K028929 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:25:17 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1PGNF015852 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:25:16 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1PGQ5028947; Fri, 17 Jun 2016 01:25:16 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:15 -0700 Subject: [PATCH 069/119] xfs: create bmbt update intent log items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 069/119] xfs: create bmbt update intent log items To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:14 -0700 Message-ID: <146612671397.12839.14026922023398231899.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126720 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 22349 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create bmbt update intent/done log items to record redo information in the log. Because we roll transactions multiple times for reflink operations, we also have to track the status of the metadata updates that will be recorded in the post-roll transactions in case we crash before committing the final transaction. This mechanism enables log recovery to finish what was already started. Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_log_format.h | 52 ++++- fs/xfs/xfs_bmap_item.c | 459 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_bmap_item.h | 97 ++++++++ fs/xfs/xfs_super.c | 21 ++ 5 files changed, 628 insertions(+), 2 deletions(-) create mode 100644 fs/xfs/xfs_bmap_item.c create mode 100644 fs/xfs/xfs_bmap_item.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 2945270..d2ce5db 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -103,6 +103,7 @@ xfs-y += xfs_aops.o \ # low-level transaction/log code xfs-y += xfs_log.o \ xfs_log_cil.o \ + xfs_bmap_item.o \ xfs_buf_item.o \ xfs_extfree_item.o \ xfs_icreate_item.o \ diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index 923b08f..320a305 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -114,7 +114,9 @@ static inline uint xlog_get_cycle(char *ptr) #define XLOG_REG_TYPE_RUD_FORMAT 22 #define XLOG_REG_TYPE_CUI_FORMAT 23 #define XLOG_REG_TYPE_CUD_FORMAT 24 -#define XLOG_REG_TYPE_MAX 24 +#define XLOG_REG_TYPE_BUI_FORMAT 25 +#define XLOG_REG_TYPE_BUD_FORMAT 26 +#define XLOG_REG_TYPE_MAX 26 /* * Flags to log operation header @@ -235,6 +237,8 @@ typedef struct xfs_trans_header { #define XFS_LI_RUD 0x1241 #define XFS_LI_CUI 0x1242 /* refcount update intent */ #define XFS_LI_CUD 0x1243 +#define XFS_LI_BUI 0x1244 /* bmbt update intent */ +#define XFS_LI_BUD 0x1245 #define XFS_LI_TYPE_DESC \ { XFS_LI_EFI, "XFS_LI_EFI" }, \ @@ -248,7 +252,9 @@ typedef struct xfs_trans_header { { XFS_LI_RUI, "XFS_LI_RUI" }, \ { XFS_LI_RUD, "XFS_LI_RUD" }, \ { XFS_LI_CUI, "XFS_LI_CUI" }, \ - { XFS_LI_CUD, "XFS_LI_CUD" } + { XFS_LI_CUD, "XFS_LI_CUD" }, \ + { XFS_LI_BUI, "XFS_LI_BUI" }, \ + { XFS_LI_BUD, "XFS_LI_BUD" } /* * Inode Log Item Format definitions. @@ -717,6 +723,48 @@ struct xfs_cud_log_format { }; /* + * BUI/BUD (inode block mapping) log format definitions + */ + +/* bmbt me_flags: upper bits are flags, lower byte is type code */ +#define XFS_BMAP_EXTENT_MAP 1 +#define XFS_BMAP_EXTENT_UNMAP 2 +#define XFS_BMAP_EXTENT_TYPE_MASK 0xFF + +#define XFS_BMAP_EXTENT_ATTR_FORK (1U << 31) +#define XFS_BMAP_EXTENT_UNWRITTEN (1U << 30) + +#define XFS_BMAP_EXTENT_FLAGS (XFS_BMAP_EXTENT_TYPE_MASK | \ + XFS_BMAP_EXTENT_ATTR_FORK | \ + XFS_BMAP_EXTENT_UNWRITTEN) + +/* + * This is the structure used to lay out an bui log item in the + * log. The bui_extents field is a variable size array whose + * size is given by bui_nextents. + */ +struct xfs_bui_log_format { + __uint16_t bui_type; /* bui log item type */ + __uint16_t bui_size; /* size of this item */ + __uint32_t bui_nextents; /* # extents to free */ + __uint64_t bui_id; /* bui identifier */ + struct xfs_map_extent bui_extents[1]; /* array of extents to bmap */ +}; + +/* + * This is the structure used to lay out an bud log item in the + * log. The bud_extents array is a variable size array whose + * size is given by bud_nextents; + */ +struct xfs_bud_log_format { + __uint16_t bud_type; /* bud log item type */ + __uint16_t bud_size; /* size of this item */ + __uint32_t bud_nextents; /* # of extents freed */ + __uint64_t bud_bui_id; /* id of corresponding bui */ + struct xfs_map_extent bud_extents[1]; /* array of extents bmapped */ +}; + +/* * Dquot Log format definitions. * * The first two fields must be the type and size fitting into diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c new file mode 100644 index 0000000..19bd7dd --- /dev/null +++ b/fs/xfs/xfs_bmap_item.c @@ -0,0 +1,459 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_trans.h" +#include "xfs_trans_priv.h" +#include "xfs_buf_item.h" +#include "xfs_bmap_item.h" +#include "xfs_log.h" + + +kmem_zone_t *xfs_bui_zone; +kmem_zone_t *xfs_bud_zone; + +static inline struct xfs_bui_log_item *BUI_ITEM(struct xfs_log_item *lip) +{ + return container_of(lip, struct xfs_bui_log_item, bui_item); +} + +void +xfs_bui_item_free( + struct xfs_bui_log_item *buip) +{ + if (buip->bui_format.bui_nextents > XFS_BUI_MAX_FAST_EXTENTS) + kmem_free(buip); + else + kmem_zone_free(xfs_bui_zone, buip); +} + +/* + * This returns the number of iovecs needed to log the given bui item. + * We only need 1 iovec for an bui item. It just logs the bui_log_format + * structure. + */ +static inline int +xfs_bui_item_sizeof( + struct xfs_bui_log_item *buip) +{ + return sizeof(struct xfs_bui_log_format) + + (buip->bui_format.bui_nextents - 1) * + sizeof(struct xfs_map_extent); +} + +STATIC void +xfs_bui_item_size( + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) +{ + *nvecs += 1; + *nbytes += xfs_bui_item_sizeof(BUI_ITEM(lip)); +} + +/* + * This is called to fill in the vector of log iovecs for the + * given bui log item. We use only 1 iovec, and we point that + * at the bui_log_format structure embedded in the bui item. + * It is at this point that we assert that all of the extent + * slots in the bui item have been filled. + */ +STATIC void +xfs_bui_item_format( + struct xfs_log_item *lip, + struct xfs_log_vec *lv) +{ + struct xfs_bui_log_item *buip = BUI_ITEM(lip); + struct xfs_log_iovec *vecp = NULL; + + ASSERT(atomic_read(&buip->bui_next_extent) == + buip->bui_format.bui_nextents); + + buip->bui_format.bui_type = XFS_LI_BUI; + buip->bui_format.bui_size = 1; + + xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_BUI_FORMAT, &buip->bui_format, + xfs_bui_item_sizeof(buip)); +} + +/* + * Pinning has no meaning for an bui item, so just return. + */ +STATIC void +xfs_bui_item_pin( + struct xfs_log_item *lip) +{ +} + +/* + * The unpin operation is the last place an BUI is manipulated in the log. It is + * either inserted in the AIL or aborted in the event of a log I/O error. In + * either case, the BUI transaction has been successfully committed to make it + * this far. Therefore, we expect whoever committed the BUI to either construct + * and commit the BUD or drop the BUD's reference in the event of error. Simply + * drop the log's BUI reference now that the log is done with it. + */ +STATIC void +xfs_bui_item_unpin( + struct xfs_log_item *lip, + int remove) +{ + struct xfs_bui_log_item *buip = BUI_ITEM(lip); + + xfs_bui_release(buip); +} + +/* + * BUI items have no locking or pushing. However, since BUIs are pulled from + * the AIL when their corresponding BUDs are committed to disk, their situation + * is very similar to being pinned. Return XFS_ITEM_PINNED so that the caller + * will eventually flush the log. This should help in getting the BUI out of + * the AIL. + */ +STATIC uint +xfs_bui_item_push( + struct xfs_log_item *lip, + struct list_head *buffer_list) +{ + return XFS_ITEM_PINNED; +} + +/* + * The BUI has been either committed or aborted if the transaction has been + * cancelled. If the transaction was cancelled, an BUD isn't going to be + * constructed and thus we free the BUI here directly. + */ +STATIC void +xfs_bui_item_unlock( + struct xfs_log_item *lip) +{ + if (lip->li_flags & XFS_LI_ABORTED) + xfs_bui_item_free(BUI_ITEM(lip)); +} + +/* + * The BUI is logged only once and cannot be moved in the log, so simply return + * the lsn at which it's been logged. + */ +STATIC xfs_lsn_t +xfs_bui_item_committed( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ + return lsn; +} + +/* + * The BUI dependency tracking op doesn't do squat. It can't because + * it doesn't know where the free extent is coming from. The dependency + * tracking has to be handled by the "enclosing" metadata object. For + * example, for inodes, the inode is locked throughout the extent freeing + * so the dependency should be recorded there. + */ +STATIC void +xfs_bui_item_committing( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ +} + +/* + * This is the ops vector shared by all bui log items. + */ +static const struct xfs_item_ops xfs_bui_item_ops = { + .iop_size = xfs_bui_item_size, + .iop_format = xfs_bui_item_format, + .iop_pin = xfs_bui_item_pin, + .iop_unpin = xfs_bui_item_unpin, + .iop_unlock = xfs_bui_item_unlock, + .iop_committed = xfs_bui_item_committed, + .iop_push = xfs_bui_item_push, + .iop_committing = xfs_bui_item_committing, +}; + +/* + * Allocate and initialize an bui item with the given number of extents. + */ +struct xfs_bui_log_item * +xfs_bui_init( + struct xfs_mount *mp, + uint nextents) + +{ + struct xfs_bui_log_item *buip; + uint size; + + ASSERT(nextents > 0); + if (nextents > XFS_BUI_MAX_FAST_EXTENTS) { + size = (uint)(sizeof(struct xfs_bui_log_item) + + ((nextents - 1) * sizeof(struct xfs_map_extent))); + buip = kmem_zalloc(size, KM_SLEEP); + } else { + buip = kmem_zone_zalloc(xfs_bui_zone, KM_SLEEP); + } + + xfs_log_item_init(mp, &buip->bui_item, XFS_LI_BUI, &xfs_bui_item_ops); + buip->bui_format.bui_nextents = nextents; + buip->bui_format.bui_id = (uintptr_t)(void *)buip; + atomic_set(&buip->bui_next_extent, 0); + atomic_set(&buip->bui_refcount, 2); + + return buip; +} + +/* + * Copy an BUI format buffer from the given buf, and into the destination + * BUI format structure. The BUI/BUD items were designed not to need any + * special alignment handling. + */ +int +xfs_bui_copy_format( + struct xfs_log_iovec *buf, + struct xfs_bui_log_format *dst_bui_fmt) +{ + struct xfs_bui_log_format *src_bui_fmt; + uint len; + + src_bui_fmt = buf->i_addr; + len = sizeof(struct xfs_bui_log_format) + + (src_bui_fmt->bui_nextents - 1) * + sizeof(struct xfs_map_extent); + + if (buf->i_len == len) { + memcpy((char *)dst_bui_fmt, (char *)src_bui_fmt, len); + return 0; + } + return -EFSCORRUPTED; +} + +/* + * Freeing the BUI requires that we remove it from the AIL if it has already + * been placed there. However, the BUI may not yet have been placed in the AIL + * when called by xfs_bui_release() from BUD processing due to the ordering of + * committed vs unpin operations in bulk insert operations. Hence the reference + * count to ensure only the last caller frees the BUI. + */ +void +xfs_bui_release( + struct xfs_bui_log_item *buip) +{ + if (atomic_dec_and_test(&buip->bui_refcount)) { + xfs_trans_ail_remove(&buip->bui_item, SHUTDOWN_LOG_IO_ERROR); + xfs_bui_item_free(buip); + } +} + +static inline struct xfs_bud_log_item *BUD_ITEM(struct xfs_log_item *lip) +{ + return container_of(lip, struct xfs_bud_log_item, bud_item); +} + +STATIC void +xfs_bud_item_free(struct xfs_bud_log_item *budp) +{ + if (budp->bud_format.bud_nextents > XFS_BUD_MAX_FAST_EXTENTS) + kmem_free(budp); + else + kmem_zone_free(xfs_bud_zone, budp); +} + +/* + * This returns the number of iovecs needed to log the given bud item. + * We only need 1 iovec for an bud item. It just logs the bud_log_format + * structure. + */ +static inline int +xfs_bud_item_sizeof( + struct xfs_bud_log_item *budp) +{ + return sizeof(struct xfs_bud_log_format) + + (budp->bud_format.bud_nextents - 1) * + sizeof(struct xfs_map_extent); +} + +STATIC void +xfs_bud_item_size( + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) +{ + *nvecs += 1; + *nbytes += xfs_bud_item_sizeof(BUD_ITEM(lip)); +} + +/* + * This is called to fill in the vector of log iovecs for the + * given bud log item. We use only 1 iovec, and we point that + * at the bud_log_format structure embedded in the bud item. + * It is at this point that we assert that all of the extent + * slots in the bud item have been filled. + */ +STATIC void +xfs_bud_item_format( + struct xfs_log_item *lip, + struct xfs_log_vec *lv) +{ + struct xfs_bud_log_item *budp = BUD_ITEM(lip); + struct xfs_log_iovec *vecp = NULL; + + ASSERT(budp->bud_next_extent == budp->bud_format.bud_nextents); + + budp->bud_format.bud_type = XFS_LI_BUD; + budp->bud_format.bud_size = 1; + + xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_BUD_FORMAT, &budp->bud_format, + xfs_bud_item_sizeof(budp)); +} + +/* + * Pinning has no meaning for an bud item, so just return. + */ +STATIC void +xfs_bud_item_pin( + struct xfs_log_item *lip) +{ +} + +/* + * Since pinning has no meaning for an bud item, unpinning does + * not either. + */ +STATIC void +xfs_bud_item_unpin( + struct xfs_log_item *lip, + int remove) +{ +} + +/* + * There isn't much you can do to push on an bud item. It is simply stuck + * waiting for the log to be flushed to disk. + */ +STATIC uint +xfs_bud_item_push( + struct xfs_log_item *lip, + struct list_head *buffer_list) +{ + return XFS_ITEM_PINNED; +} + +/* + * The BUD is either committed or aborted if the transaction is cancelled. If + * the transaction is cancelled, drop our reference to the BUI and free the + * BUD. + */ +STATIC void +xfs_bud_item_unlock( + struct xfs_log_item *lip) +{ + struct xfs_bud_log_item *budp = BUD_ITEM(lip); + + if (lip->li_flags & XFS_LI_ABORTED) { + xfs_bui_release(budp->bud_buip); + xfs_bud_item_free(budp); + } +} + +/* + * When the bud item is committed to disk, all we need to do is delete our + * reference to our partner bui item and then free ourselves. Since we're + * freeing ourselves we must return -1 to keep the transaction code from + * further referencing this item. + */ +STATIC xfs_lsn_t +xfs_bud_item_committed( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ + struct xfs_bud_log_item *budp = BUD_ITEM(lip); + + /* + * Drop the BUI reference regardless of whether the BUD has been + * aborted. Once the BUD transaction is constructed, it is the sole + * responsibility of the BUD to release the BUI (even if the BUI is + * aborted due to log I/O error). + */ + xfs_bui_release(budp->bud_buip); + xfs_bud_item_free(budp); + + return (xfs_lsn_t)-1; +} + +/* + * The BUD dependency tracking op doesn't do squat. It can't because + * it doesn't know where the free extent is coming from. The dependency + * tracking has to be handled by the "enclosing" metadata object. For + * example, for inodes, the inode is locked throughout the extent freeing + * so the dependency should be recorded there. + */ +STATIC void +xfs_bud_item_committing( + struct xfs_log_item *lip, + xfs_lsn_t lsn) +{ +} + +/* + * This is the ops vector shared by all bud log items. + */ +static const struct xfs_item_ops xfs_bud_item_ops = { + .iop_size = xfs_bud_item_size, + .iop_format = xfs_bud_item_format, + .iop_pin = xfs_bud_item_pin, + .iop_unpin = xfs_bud_item_unpin, + .iop_unlock = xfs_bud_item_unlock, + .iop_committed = xfs_bud_item_committed, + .iop_push = xfs_bud_item_push, + .iop_committing = xfs_bud_item_committing, +}; + +/* + * Allocate and initialize an bud item with the given number of extents. + */ +struct xfs_bud_log_item * +xfs_bud_init( + struct xfs_mount *mp, + struct xfs_bui_log_item *buip, + uint nextents) + +{ + struct xfs_bud_log_item *budp; + uint size; + + ASSERT(nextents > 0); + if (nextents > XFS_BUD_MAX_FAST_EXTENTS) { + size = (uint)(sizeof(struct xfs_bud_log_item) + + ((nextents - 1) * sizeof(struct xfs_map_extent))); + budp = kmem_zalloc(size, KM_SLEEP); + } else { + budp = kmem_zone_zalloc(xfs_bud_zone, KM_SLEEP); + } + + xfs_log_item_init(mp, &budp->bud_item, XFS_LI_BUD, &xfs_bud_item_ops); + budp->bud_buip = buip; + budp->bud_format.bud_nextents = nextents; + budp->bud_format.bud_bui_id = buip->bui_format.bui_id; + + return budp; +} diff --git a/fs/xfs/xfs_bmap_item.h b/fs/xfs/xfs_bmap_item.h new file mode 100644 index 0000000..a992c09 --- /dev/null +++ b/fs/xfs/xfs_bmap_item.h @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_BMAP_ITEM_H__ +#define __XFS_BMAP_ITEM_H__ + +/* + * There are (currently) two pairs of bmap btree redo item types: map & unmap. + * The common abbreviations for these are BUI (bmap update intent) and BUD + * (bmap update done). The redo item type is encoded in the flags field of + * each xfs_map_extent. + * + * *I items should be recorded in the *first* of a series of rolled + * transactions, and the *D items should be recorded in the same transaction + * that records the associated bmbt updates. + * + * Should the system crash after the commit of the first transaction but + * before the commit of the final transaction in a series, log recovery will + * use the redo information recorded by the intent items to replay the + * bmbt metadata updates in the non-first transaction. + */ + +/* kernel only BUI/BUD definitions */ + +struct xfs_mount; +struct kmem_zone; + +/* + * Max number of extents in fast allocation path. + */ +#define XFS_BUI_MAX_FAST_EXTENTS 16 + +/* + * Define BUI flag bits. Manipulated by set/clear/test_bit operators. + */ +#define XFS_BUI_RECOVERED 1 + +/* + * This is the "bmap update intent" log item. It is used to log the fact that + * some reverse mappings need to change. It is used in conjunction with the + * "bmap update done" log item described below. + * + * These log items follow the same rules as struct xfs_efi_log_item; see the + * comments about that structure (in xfs_extfree_item.h) for more details. + */ +struct xfs_bui_log_item { + struct xfs_log_item bui_item; + atomic_t bui_refcount; + atomic_t bui_next_extent; + unsigned long bui_flags; /* misc flags */ + struct xfs_bui_log_format bui_format; +}; + +/* + * This is the "bmap update done" log item. It is used to log the fact that + * some bmbt updates mentioned in an earlier bui item have been performed. + */ +struct xfs_bud_log_item { + struct xfs_log_item bud_item; + struct xfs_bui_log_item *bud_buip; + uint bud_next_extent; + struct xfs_bud_log_format bud_format; +}; + +/* + * Max number of extents in fast allocation path. + */ +#define XFS_BUD_MAX_FAST_EXTENTS 16 + +extern struct kmem_zone *xfs_bui_zone; +extern struct kmem_zone *xfs_bud_zone; + +struct xfs_bui_log_item *xfs_bui_init(struct xfs_mount *, uint); +struct xfs_bud_log_item *xfs_bud_init(struct xfs_mount *, + struct xfs_bui_log_item *, uint); +int xfs_bui_copy_format(struct xfs_log_iovec *buf, + struct xfs_bui_log_format *dst_bui_fmt); +void xfs_bui_item_free(struct xfs_bui_log_item *); +void xfs_bui_release(struct xfs_bui_log_item *); + +#endif /* __XFS_BMAP_ITEM_H__ */ diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index a0c7bdc..18f74b3 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -49,6 +49,7 @@ #include "xfs_defer.h" #include "xfs_rmap_item.h" #include "xfs_refcount_item.h" +#include "xfs_bmap_item.h" #include #include @@ -1796,8 +1797,26 @@ xfs_init_zones(void) if (!xfs_cui_zone) goto out_destroy_cud_zone; + xfs_bud_zone = kmem_zone_init((sizeof(struct xfs_bud_log_item) + + ((XFS_BUD_MAX_FAST_EXTENTS - 1) * + sizeof(struct xfs_map_extent))), + "xfs_bud_item"); + if (!xfs_bud_zone) + goto out_destroy_cui_zone; + + xfs_bui_zone = kmem_zone_init((sizeof(struct xfs_bui_log_item) + + ((XFS_BUI_MAX_FAST_EXTENTS - 1) * + sizeof(struct xfs_map_extent))), + "xfs_bui_item"); + if (!xfs_bui_zone) + goto out_destroy_bud_zone; + return 0; + out_destroy_bud_zone: + kmem_zone_destroy(xfs_bud_zone); + out_destroy_cui_zone: + kmem_zone_destroy(xfs_cui_zone); out_destroy_cud_zone: kmem_zone_destroy(xfs_cud_zone); out_destroy_rui_zone: @@ -1844,6 +1863,8 @@ xfs_destroy_zones(void) * destroy caches. */ rcu_barrier(); + kmem_zone_destroy(xfs_bui_zone); + kmem_zone_destroy(xfs_bud_zone); kmem_zone_destroy(xfs_cui_zone); kmem_zone_destroy(xfs_cud_zone); kmem_zone_destroy(xfs_rui_zone); From darrick.wong@oracle.com Thu Jun 16 20:25:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 856DE7E2D for ; Thu, 16 Jun 2016 20:25:34 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 56E62304039 for ; Thu, 16 Jun 2016 18:25:34 -0700 (PDT) X-ASG-Debug-ID: 1466126732-04cbb01fef69820001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id FNTxfRwoQpSdf564 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:32 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1PUVK009707 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:30 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1PUib022338 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:30 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1PTl6020412; Fri, 17 Jun 2016 01:25:29 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:28 -0700 Subject: [PATCH 071/119] xfs: map an inode's offset to an exact physical block From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 071/119] xfs: map an inode's offset to an exact physical block To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:27 -0700 Message-ID: <146612672734.12839.14219026280860191575.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126732 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6448 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Teach the bmap routine to know how to map a range of file blocks to a specific range of physical blocks, instead of simply allocating fresh blocks. This enables reflink to map a file to blocks that are already in use. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_bmap.h | 10 +++++++ fs/xfs/xfs_trace.h | 54 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 126 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 9044e39..c29dcdb 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -3872,6 +3872,55 @@ xfs_bmap_btalloc( } /* + * For a remap operation, just "allocate" an extent at the address that the + * caller passed in, and ensure that the AGFL is the right size. The caller + * will then map the "allocated" extent into the file somewhere. + */ +STATIC int +xfs_bmap_remap_alloc( + struct xfs_bmalloca *ap) +{ + struct xfs_trans *tp = ap->tp; + struct xfs_mount *mp = tp->t_mountp; + xfs_agblock_t bno; + struct xfs_alloc_arg args; + int error; + + /* + * validate that the block number is legal - the enables us to detect + * and handle a silent filesystem corruption rather than crashing. + */ + memset(&args, 0, sizeof(struct xfs_alloc_arg)); + args.tp = ap->tp; + args.mp = ap->tp->t_mountp; + bno = *ap->firstblock; + args.agno = XFS_FSB_TO_AGNO(mp, bno); + ASSERT(args.agno < mp->m_sb.sb_agcount); + args.agbno = XFS_FSB_TO_AGBNO(mp, bno); + ASSERT(args.agbno < mp->m_sb.sb_agblocks); + + /* "Allocate" the extent from the range we passed in. */ + trace_xfs_bmap_remap_alloc(ap->ip, *ap->firstblock, ap->length); + ap->blkno = bno; + ap->ip->i_d.di_nblocks += ap->length; + xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); + + /* Fix the freelist, like a real allocator does. */ + args.userdata = 1; + args.pag = xfs_perag_get(args.mp, args.agno); + ASSERT(args.pag); + + error = xfs_alloc_fix_freelist(&args, XFS_ALLOC_FLAG_FREEING); + if (error) + goto error0; +error0: + xfs_perag_put(args.pag); + if (error) + trace_xfs_bmap_remap_alloc_error(ap->ip, error, _RET_IP_); + return error; +} + +/* * xfs_bmap_alloc is called by xfs_bmapi to allocate an extent for a file. * It figures out where to ask the underlying allocator to put the new extent. */ @@ -3879,6 +3928,8 @@ STATIC int xfs_bmap_alloc( struct xfs_bmalloca *ap) /* bmap alloc argument struct */ { + if (ap->flags & XFS_BMAPI_REMAP) + return xfs_bmap_remap_alloc(ap); if (XFS_IS_REALTIME_INODE(ap->ip) && ap->userdata) return xfs_bmap_rtalloc(ap); return xfs_bmap_btalloc(ap); @@ -4515,6 +4566,12 @@ xfs_bmapi_write( ASSERT(len > 0); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); + if (whichfork == XFS_ATTR_FORK) + ASSERT(!(flags & XFS_BMAPI_REMAP)); + if (flags & XFS_BMAPI_REMAP) { + ASSERT(!(flags & XFS_BMAPI_PREALLOC)); + ASSERT(!(flags & XFS_BMAPI_CONVERT)); + } /* zeroing is for currently only for data extents, not metadata */ ASSERT((flags & (XFS_BMAPI_METADATA | XFS_BMAPI_ZERO)) != @@ -4576,6 +4633,12 @@ xfs_bmapi_write( wasdelay = !inhole && isnullstartblock(bma.got.br_startblock); /* + * Make sure we only reflink into a hole. + */ + if (flags & XFS_BMAPI_REMAP) + ASSERT(inhole); + + /* * First, deal with the hole before the allocated space * that we found, if any. */ diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 62a66d0..fb2fd4c 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -97,6 +97,13 @@ struct xfs_bmap_free_item */ #define XFS_BMAPI_ZERO 0x080 +/* + * Map the inode offset to the block given in ap->firstblock. Primarily + * used for reflink. The range must be in a hole, and this flag cannot be + * turned on with PREALLOC or CONVERT, and cannot be used on the attr fork. + */ +#define XFS_BMAPI_REMAP 0x100 + #define XFS_BMAPI_FLAGS \ { XFS_BMAPI_ENTIRE, "ENTIRE" }, \ { XFS_BMAPI_METADATA, "METADATA" }, \ @@ -105,7 +112,8 @@ struct xfs_bmap_free_item { XFS_BMAPI_IGSTATE, "IGSTATE" }, \ { XFS_BMAPI_CONTIG, "CONTIG" }, \ { XFS_BMAPI_CONVERT, "CONVERT" }, \ - { XFS_BMAPI_ZERO, "ZERO" } + { XFS_BMAPI_ZERO, "ZERO" }, \ + { XFS_BMAPI_REMAP, "REMAP" } static inline int xfs_bmapi_aflag(int w) diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 8366102..8844c9f 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2939,6 +2939,60 @@ TRACE_EVENT(xfs_refcount_finish_one_leftover, __entry->adjusted) ); +/* simple inode-based error/%ip tracepoint class */ +DECLARE_EVENT_CLASS(xfs_inode_error_class, + TP_PROTO(struct xfs_inode *ip, int error, unsigned long caller_ip), + TP_ARGS(ip, error, caller_ip), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(int, error) + __field(unsigned long, caller_ip) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->error = error; + __entry->caller_ip = caller_ip; + ), + TP_printk("dev %d:%d ino %llx error %d caller %ps", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->error, + (char *)__entry->caller_ip) +); + +#define DEFINE_INODE_ERROR_EVENT(name) \ +DEFINE_EVENT(xfs_inode_error_class, name, \ + TP_PROTO(struct xfs_inode *ip, int error, \ + unsigned long caller_ip), \ + TP_ARGS(ip, error, caller_ip)) + +/* reflink allocator */ +TRACE_EVENT(xfs_bmap_remap_alloc, + TP_PROTO(struct xfs_inode *ip, xfs_fsblock_t fsbno, + xfs_extlen_t len), + TP_ARGS(ip, fsbno, len), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(xfs_fsblock_t, fsbno) + __field(xfs_extlen_t, len) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->fsbno = fsbno; + __entry->len = len; + ), + TP_printk("dev %d:%d ino 0x%llx fsbno 0x%llx len %x", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->fsbno, + __entry->len) +); +DEFINE_INODE_ERROR_EVENT(xfs_bmap_remap_alloc_error); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:25:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FRT_LOLITA1, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 47E227E2D for ; Thu, 16 Jun 2016 20:25:35 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 19422304039 for ; Thu, 16 Jun 2016 18:25:35 -0700 (PDT) X-ASG-Debug-ID: 1466126730-04cb6c542757870001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id a4xEtXDsr76JSgVg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:31 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1PNSR009684 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:24 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1PN6r011084 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:23 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1PMkh028957; Fri, 17 Jun 2016 01:25:23 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:22 -0700 Subject: [PATCH 070/119] xfs: log bmap intent items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 070/119] xfs: log bmap intent items To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:20 -0700 Message-ID: <146612672092.12839.1498624909455170579.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126730 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 19604 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a mechanism for higher levels to create BUI/BUD items, submit them to the log, and a stub function to deal with recovered BUI items. These parts will be connected to the rmapbt in a later patch. Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_bmap.h | 13 ++ fs/xfs/xfs_log_recover.c | 301 ++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_trans.h | 18 +++ fs/xfs/xfs_trans_bmap.c | 201 +++++++++++++++++++++++++++++++ 5 files changed, 533 insertions(+), 1 deletion(-) create mode 100644 fs/xfs/xfs_trans_bmap.c diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index d2ce5db..941afe6 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -112,6 +112,7 @@ xfs-y += xfs_log.o \ xfs_rmap_item.o \ xfs_log_recover.o \ xfs_trans_ail.o \ + xfs_trans_bmap.o \ xfs_trans_buf.o \ xfs_trans_extfree.o \ xfs_trans_inode.o \ diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 862ea464..62a66d0 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -209,4 +209,17 @@ struct xfs_bmbt_rec_host * struct xfs_bmbt_irec *gotp, struct xfs_bmbt_irec *prevp); +enum xfs_bmap_intent_type { + XFS_BMAP_MAP, + XFS_BMAP_UNMAP, +}; + +struct xfs_bmap_intent { + struct list_head bi_list; + enum xfs_bmap_intent_type bi_type; + struct xfs_inode *bi_owner; + int bi_whichfork; + struct xfs_bmbt_irec bi_bmap; +}; + #endif /* __XFS_BMAP_H__ */ diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 2235d94..42000f4 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -48,6 +48,8 @@ #include "xfs_rmap_btree.h" #include "xfs_refcount_item.h" #include "xfs_refcount.h" +#include "xfs_bmap_item.h" +#include "xfs_bmap.h" #define BLK_AVG(blk1, blk2) ((blk1+blk2) >> 1) @@ -1920,6 +1922,8 @@ xlog_recover_reorder_trans( case XFS_LI_RUD: case XFS_LI_CUI: case XFS_LI_CUD: + case XFS_LI_BUI: + case XFS_LI_BUD: trace_xfs_log_recover_item_reorder_tail(log, trans, item, pass); list_move_tail(&item->ri_list, &inode_list); @@ -3622,6 +3626,101 @@ xlog_recover_cud_pass2( } /* + * This routine is called to create an in-core extent bmap update + * item from the bui format structure which was logged on disk. + * It allocates an in-core bui, copies the extents from the format + * structure into it, and adds the bui to the AIL with the given + * LSN. + */ +STATIC int +xlog_recover_bui_pass2( + struct xlog *log, + struct xlog_recover_item *item, + xfs_lsn_t lsn) +{ + int error; + struct xfs_mount *mp = log->l_mp; + struct xfs_bui_log_item *buip; + struct xfs_bui_log_format *bui_formatp; + + bui_formatp = item->ri_buf[0].i_addr; + + buip = xfs_bui_init(mp, bui_formatp->bui_nextents); + error = xfs_bui_copy_format(&item->ri_buf[0], &buip->bui_format); + if (error) { + xfs_bui_item_free(buip); + return error; + } + atomic_set(&buip->bui_next_extent, bui_formatp->bui_nextents); + + spin_lock(&log->l_ailp->xa_lock); + /* + * The RUI has two references. One for the RUD and one for RUI to ensure + * it makes it into the AIL. Insert the RUI into the AIL directly and + * drop the RUI reference. Note that xfs_trans_ail_update() drops the + * AIL lock. + */ + xfs_trans_ail_update(log->l_ailp, &buip->bui_item, lsn); + xfs_bui_release(buip); + return 0; +} + + +/* + * This routine is called when an BUD format structure is found in a committed + * transaction in the log. Its purpose is to cancel the corresponding BUI if it + * was still in the log. To do this it searches the AIL for the BUI with an id + * equal to that in the BUD format structure. If we find it we drop the BUD + * reference, which removes the BUI from the AIL and frees it. + */ +STATIC int +xlog_recover_bud_pass2( + struct xlog *log, + struct xlog_recover_item *item) +{ + struct xfs_bud_log_format *bud_formatp; + struct xfs_bui_log_item *buip = NULL; + struct xfs_log_item *lip; + __uint64_t bui_id; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp = log->l_ailp; + + bud_formatp = item->ri_buf[0].i_addr; + ASSERT(item->ri_buf[0].i_len == (sizeof(struct xfs_bud_log_format) + + ((bud_formatp->bud_nextents - 1) * + sizeof(struct xfs_map_extent)))); + bui_id = bud_formatp->bud_bui_id; + + /* + * Search for the BUI with the id in the BUD format structure in the + * AIL. + */ + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + if (lip->li_type == XFS_LI_BUI) { + buip = (struct xfs_bui_log_item *)lip; + if (buip->bui_format.bui_id == bui_id) { + /* + * Drop the BUD reference to the BUI. This + * removes the BUI from the AIL and frees it. + */ + spin_unlock(&ailp->xa_lock); + xfs_bui_release(buip); + spin_lock(&ailp->xa_lock); + break; + } + } + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } + + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + + return 0; +} + +/* * This routine is called when an inode create format structure is found in a * committed transaction in the log. It's purpose is to initialise the inodes * being allocated on disk. This requires us to get inode cluster buffers that @@ -3850,6 +3949,8 @@ xlog_recover_ra_pass2( case XFS_LI_RUD: case XFS_LI_CUI: case XFS_LI_CUD: + case XFS_LI_BUI: + case XFS_LI_BUD: default: break; } @@ -3877,6 +3978,8 @@ xlog_recover_commit_pass1( case XFS_LI_RUD: case XFS_LI_CUI: case XFS_LI_CUD: + case XFS_LI_BUI: + case XFS_LI_BUD: /* nothing to do in pass 1 */ return 0; default: @@ -3915,6 +4018,10 @@ xlog_recover_commit_pass2( return xlog_recover_cui_pass2(log, item, trans->r_lsn); case XFS_LI_CUD: return xlog_recover_cud_pass2(log, item); + case XFS_LI_BUI: + return xlog_recover_bui_pass2(log, item, trans->r_lsn); + case XFS_LI_BUD: + return xlog_recover_bud_pass2(log, item); case XFS_LI_DQUOT: return xlog_recover_dquot_pass2(log, buffer_list, item, trans->r_lsn); @@ -4394,6 +4501,7 @@ static inline bool xlog_item_is_intent(struct xfs_log_item *lip) case XFS_LI_EFI: case XFS_LI_RUI: case XFS_LI_CUI: + case XFS_LI_BUI: return true; default: return false; @@ -5079,6 +5187,187 @@ xlog_recover_cancel_cuis( } /* + * Process a bmap update intent item that was recovered from the log. + * We need to update some inode's bmbt. + */ +STATIC int +xlog_recover_process_bui( + struct xfs_mount *mp, + struct xfs_bui_log_item *buip) +{ + int i; + int error = 0; + struct xfs_map_extent *bmap; + xfs_fsblock_t startblock_fsb; + xfs_fsblock_t inode_fsb; + bool op_ok; + + ASSERT(!test_bit(XFS_BUI_RECOVERED, &buip->bui_flags)); + + /* + * First check the validity of the extents described by the + * BUI. If any are bad, then assume that all are bad and + * just toss the BUI. + */ + for (i = 0; i < buip->bui_format.bui_nextents; i++) { + bmap = &(buip->bui_format.bui_extents[i]); + startblock_fsb = XFS_BB_TO_FSB(mp, + XFS_FSB_TO_DADDR(mp, bmap->me_startblock)); + inode_fsb = XFS_BB_TO_FSB(mp, XFS_FSB_TO_DADDR(mp, + XFS_INO_TO_FSB(mp, bmap->me_owner))); + switch (bmap->me_flags & XFS_BMAP_EXTENT_TYPE_MASK) { + case XFS_BMAP_EXTENT_MAP: + case XFS_BMAP_EXTENT_UNMAP: + op_ok = true; + break; + default: + op_ok = false; + break; + } + if (!op_ok || (startblock_fsb == 0) || + (bmap->me_len == 0) || + (inode_fsb == 0) || + (startblock_fsb >= mp->m_sb.sb_dblocks) || + (bmap->me_len >= mp->m_sb.sb_agblocks) || + (inode_fsb >= mp->m_sb.sb_agblocks) || + (bmap->me_flags & ~XFS_BMAP_EXTENT_FLAGS)) { + /* + * This will pull the BUI from the AIL and + * free the memory associated with it. + */ + set_bit(XFS_BUI_RECOVERED, &buip->bui_flags); + xfs_bui_release(buip); + return -EIO; + } + } + + /* XXX: do nothing for now */ + set_bit(XFS_BUI_RECOVERED, &buip->bui_flags); + xfs_bui_release(buip); + return error; +} + +/* + * When this is called, all of the BUIs which did not have + * corresponding BUDs should be in the AIL. What we do now + * is update the bmbts associated with each one. + * + * Since we process the BUIs in normal transactions, they + * will be removed at some point after the commit. This prevents + * us from just walking down the list processing each one. + * We'll use a flag in the BUI to skip those that we've already + * processed and use the AIL iteration mechanism's generation + * count to try to speed this up at least a bit. + * + * When we start, we know that the BUIs are the only things in + * the AIL. As we process them, however, other items are added + * to the AIL. + */ +STATIC int +xlog_recover_process_buis( + struct xlog *log) +{ + struct xfs_log_item *lip; + struct xfs_bui_log_item *buip; + int error = 0; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp; + + ailp = log->l_ailp; + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + /* + * We're done when we see something other than an intent. + * There should be no intents left in the AIL now. + */ + if (!xlog_item_is_intent(lip)) { +#ifdef DEBUG + for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) + ASSERT(!xlog_item_is_intent(lip)); +#endif + break; + } + + /* Skip anything that isn't a BUI */ + if (lip->li_type != XFS_LI_BUI) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + /* + * Skip BUIs that we've already processed. + */ + buip = container_of(lip, struct xfs_bui_log_item, bui_item); + if (test_bit(XFS_BUI_RECOVERED, &buip->bui_flags)) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + spin_unlock(&ailp->xa_lock); + error = xlog_recover_process_bui(log->l_mp, buip); + spin_lock(&ailp->xa_lock); + if (error) + goto out; + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } +out: + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + return error; +} + +/* + * A cancel occurs when the mount has failed and we're bailing out. Release all + * pending BUIs so they don't pin the AIL. + */ +STATIC int +xlog_recover_cancel_buis( + struct xlog *log) +{ + struct xfs_log_item *lip; + struct xfs_bui_log_item *buip; + int error = 0; + struct xfs_ail_cursor cur; + struct xfs_ail *ailp; + + ailp = log->l_ailp; + spin_lock(&ailp->xa_lock); + lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); + while (lip != NULL) { + /* + * We're done when we see something other than an RUI. + * There should be no RUIs left in the AIL now. + */ + if (!xlog_item_is_intent(lip)) { +#ifdef DEBUG + for (; lip; lip = xfs_trans_ail_cursor_next(ailp, &cur)) + ASSERT(!xlog_item_is_intent(lip)); +#endif + break; + } + + /* Skip anything that isn't a BUI */ + if (lip->li_type != XFS_LI_BUI) { + lip = xfs_trans_ail_cursor_next(ailp, &cur); + continue; + } + + buip = container_of(lip, struct xfs_bui_log_item, bui_item); + + spin_unlock(&ailp->xa_lock); + xfs_bui_release(buip); + spin_lock(&ailp->xa_lock); + + lip = xfs_trans_ail_cursor_next(ailp, &cur); + } + + xfs_trans_ail_cursor_done(&cur); + spin_unlock(&ailp->xa_lock); + return error; +} + +/* * This routine performs a transaction to null out a bad inode pointer * in an agi unlinked inode hash bucket. */ @@ -5881,6 +6170,12 @@ xlog_recover_finish( if (log->l_flags & XLOG_RECOVERY_NEEDED) { int error; + error = xlog_recover_process_buis(log); + if (error) { + xfs_alert(log->l_mp, "Failed to recover BUIs"); + return error; + } + error = xlog_recover_process_cuis(log); if (error) { xfs_alert(log->l_mp, "Failed to recover CUIs"); @@ -5929,7 +6224,11 @@ xlog_recover_cancel( int err2; if (log->l_flags & XLOG_RECOVERY_NEEDED) { - error = xlog_recover_cancel_cuis(log); + error = xlog_recover_cancel_buis(log); + + err2 = xlog_recover_cancel_cuis(log); + if (err2 && !error) + error = err2; err2 = xlog_recover_cancel_ruis(log); if (err2 && !error) diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 6b6cb4a..cda7d92 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -270,4 +270,22 @@ int xfs_trans_log_finish_refcount_update(struct xfs_trans *tp, xfs_extlen_t blockcount, xfs_extlen_t *adjusted, struct xfs_btree_cur **pcur); +enum xfs_bmap_intent_type; + +struct xfs_bui_log_item *xfs_trans_get_bui(struct xfs_trans *tp, uint nextents); +void xfs_trans_log_start_bmap_update(struct xfs_trans *tp, + struct xfs_bui_log_item *buip, enum xfs_bmap_intent_type type, + __uint64_t owner, int whichfork, xfs_fileoff_t startoff, + xfs_fsblock_t startblock, xfs_filblks_t blockcount, + xfs_exntst_t state); + +struct xfs_bud_log_item *xfs_trans_get_bud(struct xfs_trans *tp, + struct xfs_bui_log_item *buip, uint nextents); +int xfs_trans_log_finish_bmap_update(struct xfs_trans *tp, + struct xfs_bud_log_item *rudp, struct xfs_defer_ops *dfops, + enum xfs_bmap_intent_type type, struct xfs_inode *ip, + int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock, + xfs_filblks_t blockcount, xfs_exntst_t state, + struct xfs_btree_cur **pcur); + #endif /* __XFS_TRANS_H__ */ diff --git a/fs/xfs/xfs_trans_bmap.c b/fs/xfs/xfs_trans_bmap.c new file mode 100644 index 0000000..1517c83 --- /dev/null +++ b/fs/xfs/xfs_trans_bmap.c @@ -0,0 +1,201 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_trans.h" +#include "xfs_trans_priv.h" +#include "xfs_bmap_item.h" +#include "xfs_alloc.h" +#include "xfs_bmap.h" +#include "xfs_inode.h" + +/* + * This routine is called to allocate an "bmap update intent" + * log item that will hold nextents worth of extents. The + * caller must use all nextents extents, because we are not + * flexible about this at all. + */ +struct xfs_bui_log_item * +xfs_trans_get_bui( + struct xfs_trans *tp, + uint nextents) +{ + struct xfs_bui_log_item *buip; + + ASSERT(tp != NULL); + ASSERT(nextents > 0); + + buip = xfs_bui_init(tp->t_mountp, nextents); + ASSERT(buip != NULL); + + /* + * Get a log_item_desc to point at the new item. + */ + xfs_trans_add_item(tp, &buip->bui_item); + return buip; +} + +/* + * This routine is called to indicate that the described + * extent is to be logged as needing to be freed. It should + * be called once for each extent to be freed. + */ +void +xfs_trans_log_start_bmap_update( + struct xfs_trans *tp, + struct xfs_bui_log_item *buip, + enum xfs_bmap_intent_type type, + __uint64_t owner, + int whichfork, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state) +{ + uint next_extent; + struct xfs_map_extent *bmap; + + tp->t_flags |= XFS_TRANS_DIRTY; + buip->bui_item.li_desc->lid_flags |= XFS_LID_DIRTY; + + /* + * atomic_inc_return gives us the value after the increment; + * we want to use it as an array index so we need to subtract 1 from + * it. + */ + next_extent = atomic_inc_return(&buip->bui_next_extent) - 1; + ASSERT(next_extent < buip->bui_format.bui_nextents); + bmap = &(buip->bui_format.bui_extents[next_extent]); + bmap->me_owner = owner; + bmap->me_startblock = startblock; + bmap->me_startoff = startoff; + bmap->me_len = blockcount; + bmap->me_flags = 0; + if (state == XFS_EXT_UNWRITTEN) + bmap->me_flags |= XFS_BMAP_EXTENT_UNWRITTEN; + if (whichfork == XFS_ATTR_FORK) + bmap->me_flags |= XFS_BMAP_EXTENT_ATTR_FORK; + switch (type) { + case XFS_BMAP_MAP: + bmap->me_flags |= XFS_BMAP_EXTENT_MAP; + break; + case XFS_BMAP_UNMAP: + bmap->me_flags |= XFS_BMAP_EXTENT_UNMAP; + break; + default: + ASSERT(0); + } +} + + +/* + * This routine is called to allocate an "extent free done" + * log item that will hold nextents worth of extents. The + * caller must use all nextents extents, because we are not + * flexible about this at all. + */ +struct xfs_bud_log_item * +xfs_trans_get_bud( + struct xfs_trans *tp, + struct xfs_bui_log_item *buip, + uint nextents) +{ + struct xfs_bud_log_item *budp; + + ASSERT(tp != NULL); + ASSERT(nextents > 0); + + budp = xfs_bud_init(tp->t_mountp, buip, nextents); + ASSERT(budp != NULL); + + /* + * Get a log_item_desc to point at the new item. + */ + xfs_trans_add_item(tp, &budp->bud_item); + return budp; +} + +/* + * Finish an bmap update and log it to the BUD. Note that the transaction is + * marked dirty regardless of whether the bmap update succeeds or fails to + * support the BUI/BUD lifecycle rules. + */ +int +xfs_trans_log_finish_bmap_update( + struct xfs_trans *tp, + struct xfs_bud_log_item *budp, + struct xfs_defer_ops *dop, + enum xfs_bmap_intent_type type, + struct xfs_inode *ip, + int whichfork, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state, + struct xfs_btree_cur **pcur) +{ + uint next_extent; + struct xfs_map_extent *bmap; + int error; + + error = -EFSCORRUPTED; + + /* + * Mark the transaction dirty, even on error. This ensures the + * transaction is aborted, which: + * + * 1.) releases the BUI and frees the BUD + * 2.) shuts down the filesystem + */ + tp->t_flags |= XFS_TRANS_DIRTY; + budp->bud_item.li_desc->lid_flags |= XFS_LID_DIRTY; + + next_extent = budp->bud_next_extent; + ASSERT(next_extent < budp->bud_format.bud_nextents); + bmap = &(budp->bud_format.bud_extents[next_extent]); + bmap->me_owner = ip->i_ino; + bmap->me_startblock = startblock; + bmap->me_startoff = startoff; + bmap->me_len = blockcount; + bmap->me_flags = 0; + if (state == XFS_EXT_UNWRITTEN) + bmap->me_flags |= XFS_BMAP_EXTENT_UNWRITTEN; + if (whichfork == XFS_ATTR_FORK) + bmap->me_flags |= XFS_BMAP_EXTENT_ATTR_FORK; + switch (type) { + case XFS_BMAP_MAP: + bmap->me_flags |= XFS_BMAP_EXTENT_MAP; + break; + case XFS_BMAP_UNMAP: + bmap->me_flags |= XFS_BMAP_EXTENT_UNMAP; + break; + default: + ASSERT(0); + } + budp->bud_next_extent++; + + return error; +} From darrick.wong@oracle.com Thu Jun 16 20:25:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9FD507E2D for ; Thu, 16 Jun 2016 20:25:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5DEA38F804C for ; Thu, 16 Jun 2016 18:25:42 -0700 (PDT) X-ASG-Debug-ID: 1466126739-04bdf01e1595b80001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 73oxhwZ9zOwxtuqg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:39 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1PbVk009823 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:37 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Pact017932 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:36 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1PZm0020422; Fri, 17 Jun 2016 01:25:35 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:35 -0700 Subject: [PATCH 072/119] xfs: implement deferred bmbt map/unmap operations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 072/119] xfs: implement deferred bmbt map/unmap operations To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:33 -0700 Message-ID: <146612673365.12839.17819633232208042020.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126739 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14386 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Implement deferred versions of the inode block map/unmap functions. These will be used in subsequent patches to make reflink operations atomic. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 124 +++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_bmap.h | 11 ++++ fs/xfs/libxfs/xfs_defer.h | 1 fs/xfs/xfs_defer_item.c | 113 +++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_error.h | 4 + fs/xfs/xfs_log_recover.c | 77 +++++++++++++++++++++++++++- fs/xfs/xfs_trace.h | 5 ++ fs/xfs/xfs_trans.h | 3 - fs/xfs/xfs_trans_bmap.c | 6 +- 9 files changed, 336 insertions(+), 8 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index c29dcdb..63cfb1c 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -6127,3 +6127,127 @@ out: xfs_trans_cancel(tp); return error; } + +/* Record a bmap intent. */ +static int +__xfs_bmap_add( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_bmap_intent *bi) +{ + int error; + struct xfs_bmap_intent *new; + + ASSERT(bi->bi_whichfork == XFS_DATA_FORK); + + trace_xfs_bmap_defer(mp, XFS_FSB_TO_AGNO(mp, bi->bi_bmap.br_startblock), + bi->bi_type, + XFS_FSB_TO_AGBNO(mp, bi->bi_bmap.br_startblock), + bi->bi_owner->i_ino, bi->bi_whichfork, + bi->bi_bmap.br_startoff, + bi->bi_bmap.br_blockcount, + bi->bi_bmap.br_state); + + new = kmem_zalloc(sizeof(struct xfs_bmap_intent), KM_SLEEP | KM_NOFS); + *new = *bi; + + error = xfs_defer_join(dfops, bi->bi_owner); + if (error) + return error; + + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_BMAP, &new->bi_list); + return 0; +} + +/* Map an extent into a file. */ +int +xfs_bmap_map_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_bmap_intent bi; + + bi.bi_type = XFS_BMAP_MAP; + bi.bi_owner = ip; + bi.bi_whichfork = whichfork; + bi.bi_bmap = *PREV; + + return __xfs_bmap_add(mp, dfops, &bi); +} + +/* Unmap an extent out of a file. */ +int +xfs_bmap_unmap_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_bmap_intent bi; + + bi.bi_type = XFS_BMAP_UNMAP; + bi.bi_owner = ip; + bi.bi_whichfork = whichfork; + bi.bi_bmap = *PREV; + + return __xfs_bmap_add(mp, dfops, &bi); +} + +/* + * Process one of the deferred bmap operations. We pass back the + * btree cursor to maintain our lock on the bmapbt between calls. + */ +int +xfs_bmap_finish_one( + struct xfs_trans *tp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + enum xfs_bmap_intent_type type, + int whichfork, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state) +{ + struct xfs_bmbt_irec bmap; + int nimaps = 1; + xfs_fsblock_t firstfsb; + int error = 0; + + bmap.br_startblock = startblock; + bmap.br_startoff = startoff; + bmap.br_blockcount = blockcount; + bmap.br_state = state; + + trace_xfs_bmap_deferred(tp->t_mountp, + XFS_FSB_TO_AGNO(tp->t_mountp, startblock), type, + XFS_FSB_TO_AGBNO(tp->t_mountp, startblock), + ip->i_ino, whichfork, startoff, blockcount, state); + + if (XFS_TEST_ERROR(false, tp->t_mountp, + XFS_ERRTAG_BMAP_FINISH_ONE, + XFS_RANDOM_BMAP_FINISH_ONE)) + return -EIO; + + switch (type) { + case XFS_BMAP_MAP: + firstfsb = bmap.br_startblock; + error = xfs_bmapi_write(tp, ip, bmap.br_startoff, + bmap.br_blockcount, + XFS_BMAPI_REMAP, &firstfsb, + bmap.br_blockcount, &bmap, &nimaps, + dfops); + break; + case XFS_BMAP_UNMAP: + /* not implemented for now */ + default: + ASSERT(0); + error = -EFSCORRUPTED; + } + + return error; +} diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index fb2fd4c..394a22c 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -230,4 +230,15 @@ struct xfs_bmap_intent { struct xfs_bmbt_irec bi_bmap; }; +int xfs_bmap_finish_one(struct xfs_trans *tp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, enum xfs_bmap_intent_type type, + int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock, + xfs_filblks_t blockcount, xfs_exntst_t state); +int xfs_bmap_map_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); +int xfs_bmap_unmap_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); + #endif /* __XFS_BMAP_H__ */ diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h index 4081b00..47aa048 100644 --- a/fs/xfs/libxfs/xfs_defer.h +++ b/fs/xfs/libxfs/xfs_defer.h @@ -51,6 +51,7 @@ struct xfs_defer_pending { * find all the space it needs. */ enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_BMAP, XFS_DEFER_OPS_TYPE_REFCOUNT, XFS_DEFER_OPS_TYPE_RMAP, XFS_DEFER_OPS_TYPE_FREE, diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c index 2cac94f..c9ebddc 100644 --- a/fs/xfs/xfs_defer_item.c +++ b/fs/xfs/xfs_defer_item.c @@ -35,6 +35,9 @@ #include "xfs_rmap_item.h" #include "xfs_refcount.h" #include "xfs_refcount_item.h" +#include "xfs_bmap.h" +#include "xfs_bmap_item.h" +#include "xfs_inode.h" /* Extent Freeing */ @@ -394,12 +397,122 @@ const struct xfs_defer_op_type xfs_refcount_update_defer_type = { .cancel_item = xfs_refcount_update_cancel_item, }; +/* Inode Block Mapping */ + +/* Sort bmap intents by inode. */ +static int +xfs_bmap_update_diff_items( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_bmap_intent *ba; + struct xfs_bmap_intent *bb; + + ba = container_of(a, struct xfs_bmap_intent, bi_list); + bb = container_of(b, struct xfs_bmap_intent, bi_list); + return ba->bi_owner->i_ino - bb->bi_owner->i_ino; +} + +/* Get an BUI. */ +STATIC void * +xfs_bmap_update_create_intent( + struct xfs_trans *tp, + unsigned int count) +{ + return xfs_trans_get_bui(tp, count); +} + +/* Log bmap updates in the intent item. */ +STATIC void +xfs_bmap_update_log_item( + struct xfs_trans *tp, + void *intent, + struct list_head *item) +{ + struct xfs_bmap_intent *bmap; + + bmap = container_of(item, struct xfs_bmap_intent, bi_list); + xfs_trans_log_start_bmap_update(tp, intent, bmap->bi_type, + bmap->bi_owner->i_ino, bmap->bi_whichfork, + bmap->bi_bmap.br_startoff, + bmap->bi_bmap.br_startblock, + bmap->bi_bmap.br_blockcount, + bmap->bi_bmap.br_state); +} + +/* Get an BUD so we can process all the deferred rmap updates. */ +STATIC void * +xfs_bmap_update_create_done( + struct xfs_trans *tp, + void *intent, + unsigned int count) +{ + return xfs_trans_get_bud(tp, intent, count); +} + +/* Process a deferred rmap update. */ +STATIC int +xfs_bmap_update_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + struct xfs_bmap_intent *bmap; + int error; + + bmap = container_of(item, struct xfs_bmap_intent, bi_list); + error = xfs_trans_log_finish_bmap_update(tp, done_item, dop, + bmap->bi_type, + bmap->bi_owner, bmap->bi_whichfork, + bmap->bi_bmap.br_startoff, + bmap->bi_bmap.br_startblock, + bmap->bi_bmap.br_blockcount, + bmap->bi_bmap.br_state); + kmem_free(bmap); + return error; +} + +/* Abort all pending BUIs. */ +STATIC void +xfs_bmap_update_abort_intent( + void *intent) +{ + xfs_bui_release(intent); +} + +/* Cancel a deferred rmap update. */ +STATIC void +xfs_bmap_update_cancel_item( + struct list_head *item) +{ + struct xfs_bmap_intent *bmap; + + bmap = container_of(item, struct xfs_bmap_intent, bi_list); + kmem_free(bmap); +} + +const struct xfs_defer_op_type xfs_bmap_update_defer_type = { + .type = XFS_DEFER_OPS_TYPE_BMAP, + .max_items = XFS_BUI_MAX_FAST_EXTENTS, + .diff_items = xfs_bmap_update_diff_items, + .create_intent = xfs_bmap_update_create_intent, + .abort_intent = xfs_bmap_update_abort_intent, + .log_item = xfs_bmap_update_log_item, + .create_done = xfs_bmap_update_create_done, + .finish_item = xfs_bmap_update_finish_item, + .cancel_item = xfs_bmap_update_cancel_item, +}; + /* Deferred Item Initialization */ /* Initialize the deferred operation types. */ void xfs_defer_init_types(void) { + xfs_defer_init_op_type(&xfs_bmap_update_defer_type); xfs_defer_init_op_type(&xfs_refcount_update_defer_type); xfs_defer_init_op_type(&xfs_rmap_update_defer_type); xfs_defer_init_op_type(&xfs_extent_free_defer_type); diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 83d7b62..16a60de 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -94,7 +94,8 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_ERRTAG_RMAP_FINISH_ONE 23 #define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE 24 #define XFS_ERRTAG_REFCOUNT_FINISH_ONE 25 -#define XFS_ERRTAG_MAX 26 +#define XFS_ERRTAG_BMAP_FINISH_ONE 26 +#define XFS_ERRTAG_MAX 27 /* * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. @@ -125,6 +126,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_RANDOM_RMAP_FINISH_ONE 1 #define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE 1 #define XFS_RANDOM_REFCOUNT_FINISH_ONE 1 +#define XFS_RANDOM_BMAP_FINISH_ONE 1 #ifdef DEBUG extern int xfs_error_test_active; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 42000f4..3faaf10 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -5201,6 +5201,14 @@ xlog_recover_process_bui( xfs_fsblock_t startblock_fsb; xfs_fsblock_t inode_fsb; bool op_ok; + struct xfs_bud_log_item *budp; + enum xfs_bmap_intent_type type; + int whichfork; + xfs_exntst_t state; + struct xfs_trans *tp; + struct xfs_inode **ips; + struct xfs_defer_ops dfops; + xfs_fsblock_t firstfsb; ASSERT(!test_bit(XFS_BUI_RECOVERED, &buip->bui_flags)); @@ -5241,9 +5249,74 @@ xlog_recover_process_bui( } } - /* XXX: do nothing for now */ + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp); + if (error) + return error; + budp = xfs_trans_get_bud(tp, buip, buip->bui_format.bui_nextents); + + xfs_defer_init(&dfops, &firstfsb); + + /* Grab all the inodes we'll need. */ + ips = kmem_zalloc(sizeof(struct xfs_inode *) * + buip->bui_format.bui_nextents, KM_SLEEP); + for (i = 0; i < buip->bui_format.bui_nextents; i++) { + bmap = &(buip->bui_format.bui_extents[i]); + error = xfs_iget(mp, tp, bmap->me_owner, 0, XFS_ILOCK_EXCL, + &ips[i]); + if (error) + goto err_inodes; + } + + /* Process deferred bmap items. */ + for (i = 0; i < buip->bui_format.bui_nextents; i++) { + bmap = &(buip->bui_format.bui_extents[i]); + state = (bmap->me_flags & XFS_BMAP_EXTENT_UNWRITTEN) ? + XFS_EXT_UNWRITTEN : XFS_EXT_NORM; + whichfork = (bmap->me_flags & XFS_BMAP_EXTENT_ATTR_FORK) ? + XFS_ATTR_FORK : XFS_DATA_FORK; + switch (bmap->me_flags & XFS_BMAP_EXTENT_TYPE_MASK) { + case XFS_BMAP_EXTENT_MAP: + type = XFS_BMAP_MAP; + break; + case XFS_BMAP_EXTENT_UNMAP: + type = XFS_BMAP_UNMAP; + break; + default: + error = -EFSCORRUPTED; + goto err_dfops; + } + xfs_trans_ijoin(tp, ips[i], 0); + + error = xfs_trans_log_finish_bmap_update(tp, budp, &dfops, type, + ips[i], whichfork, bmap->me_startoff, + bmap->me_startblock, bmap->me_len, + state); + if (error) + goto err_dfops; + + } + + /* Finish transaction, free inodes. */ + error = xfs_defer_finish(&tp, &dfops, NULL); + if (error) + goto err_dfops; set_bit(XFS_BUI_RECOVERED, &buip->bui_flags); - xfs_bui_release(buip); + error = xfs_trans_commit(tp); + for (i = 0; i < buip->bui_format.bui_nextents; i++) { + xfs_iunlock(ips[i], XFS_ILOCK_EXCL); + IRELE(ips[i]); + } + + return error; + +err_dfops: + xfs_defer_cancel(&dfops); +err_inodes: + for (i = 0; i < buip->bui_format.bui_nextents; i++) { + xfs_iunlock(ips[i], XFS_ILOCK_EXCL); + IRELE(ips[i]); + } + xfs_trans_cancel(tp); return error; } diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 8844c9f..a18e321 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2560,6 +2560,11 @@ DEFINE_RMAPBT_EVENT(xfs_rmap_map_gtrec); DEFINE_RMAPBT_EVENT(xfs_rmap_convert_gtrec); DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_result); +/* deferred bmbt updates */ +#define DEFINE_BMAP_DEFERRED_EVENT DEFINE_RMAP_DEFERRED_EVENT +DEFINE_BMAP_DEFERRED_EVENT(xfs_bmap_defer); +DEFINE_BMAP_DEFERRED_EVENT(xfs_bmap_deferred); + /* per-AG reservation */ DECLARE_EVENT_CLASS(xfs_ag_resv_class, TP_PROTO(struct xfs_perag *pag, enum xfs_ag_resv_type resv, diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index cda7d92..6e890bc 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -285,7 +285,6 @@ int xfs_trans_log_finish_bmap_update(struct xfs_trans *tp, struct xfs_bud_log_item *rudp, struct xfs_defer_ops *dfops, enum xfs_bmap_intent_type type, struct xfs_inode *ip, int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock, - xfs_filblks_t blockcount, xfs_exntst_t state, - struct xfs_btree_cur **pcur); + xfs_filblks_t blockcount, xfs_exntst_t state); #endif /* __XFS_TRANS_H__ */ diff --git a/fs/xfs/xfs_trans_bmap.c b/fs/xfs/xfs_trans_bmap.c index 1517c83..97f395a 100644 --- a/fs/xfs/xfs_trans_bmap.c +++ b/fs/xfs/xfs_trans_bmap.c @@ -154,14 +154,14 @@ xfs_trans_log_finish_bmap_update( xfs_fileoff_t startoff, xfs_fsblock_t startblock, xfs_filblks_t blockcount, - xfs_exntst_t state, - struct xfs_btree_cur **pcur) + xfs_exntst_t state) { uint next_extent; struct xfs_map_extent *bmap; int error; - error = -EFSCORRUPTED; + error = xfs_bmap_finish_one(tp, dop, ip, type, whichfork, startoff, + startblock, blockcount, state); /* * Mark the transaction dirty, even on error. This ensures the From darrick.wong@oracle.com Thu Jun 16 20:25:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D53A17E6F for ; Thu, 16 Jun 2016 20:25:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id A2E498F8050 for ; Thu, 16 Jun 2016 18:25:46 -0700 (PDT) X-ASG-Debug-ID: 1466126744-04cb6c5425578b0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 8GxTmDhBd27BSecb (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:45 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1PgKM009869 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:42 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1PgJw018091 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:42 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1PfWs024881; Fri, 17 Jun 2016 01:25:42 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:41 -0700 Subject: [PATCH 073/119] xfs: return work remaining at the end of a bunmapi operation From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 073/119] xfs: return work remaining at the end of a bunmapi operation To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:40 -0700 Message-ID: <146612674005.12839.11363895165190702626.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126744 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3601 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Return the range of file blocks that bunmapi didn't free. This hint is used by CoW and reflink to figure out what part of an extent actually got freed so that it can set up the appropriate atomic remapping of just the freed range. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 36 ++++++++++++++++++++++++++++++------ fs/xfs/libxfs/xfs_bmap.h | 4 ++++ 2 files changed, 34 insertions(+), 6 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 63cfb1c..5af4593 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -5165,17 +5165,16 @@ done: * *done is set. */ int /* error */ -xfs_bunmapi( +__xfs_bunmapi( xfs_trans_t *tp, /* transaction pointer */ struct xfs_inode *ip, /* incore inode */ xfs_fileoff_t bno, /* starting offset to unmap */ - xfs_filblks_t len, /* length to unmap in file */ + xfs_filblks_t *rlen, /* i/o: amount remaining */ int flags, /* misc flags */ xfs_extnum_t nexts, /* number of extents max */ xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ - struct xfs_defer_ops *dfops, /* i/o: list extents to free */ - int *done) /* set if not done yet */ + struct xfs_defer_ops *dfops) /* i/o: deferred updates */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ xfs_bmbt_irec_t del; /* extent being deleted */ @@ -5197,6 +5196,7 @@ xfs_bunmapi( int wasdel; /* was a delayed alloc extent */ int whichfork; /* data or attribute fork */ xfs_fsblock_t sum; + xfs_filblks_t len = *rlen; /* length to unmap in file */ trace_xfs_bunmap(ip, bno, len, flags, _RET_IP_); @@ -5223,7 +5223,7 @@ xfs_bunmapi( return error; nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); if (nextents == 0) { - *done = 1; + *rlen = 0; return 0; } XFS_STATS_INC(mp, xs_blk_unmap); @@ -5492,7 +5492,10 @@ nodelete: extno++; } } - *done = bno == (xfs_fileoff_t)-1 || bno < start || lastx < 0; + if (bno == (xfs_fileoff_t)-1 || bno < start || lastx < 0) + *rlen = 0; + else + *rlen = bno - start + 1; /* * Convert to a btree if necessary. @@ -5548,6 +5551,27 @@ error0: return error; } +/* Unmap a range of a file. */ +int +xfs_bunmapi( + xfs_trans_t *tp, + struct xfs_inode *ip, + xfs_fileoff_t bno, + xfs_filblks_t len, + int flags, + xfs_extnum_t nexts, + xfs_fsblock_t *firstblock, + struct xfs_defer_ops *dfops, + int *done) +{ + int error; + + error = __xfs_bunmapi(tp, ip, bno, &len, flags, nexts, firstblock, + dfops); + *done = (len == 0); + return error; +} + /* * Determine whether an extent shift can be accomplished by a merge with the * extent that precedes the target hole of the shift. diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 394a22c..97828c5 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -197,6 +197,10 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fsblock_t *firstblock, xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap, struct xfs_defer_ops *dfops); +int __xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, + xfs_fileoff_t bno, xfs_filblks_t *rlen, int flags, + xfs_extnum_t nexts, xfs_fsblock_t *firstblock, + struct xfs_defer_ops *dfops); int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, From darrick.wong@oracle.com Thu Jun 16 20:25:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1BFB47E64 for ; Thu, 16 Jun 2016 20:25:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 859B2AC001 for ; Thu, 16 Jun 2016 18:25:54 -0700 (PDT) X-ASG-Debug-ID: 1466126751-04cbb01fec69840001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id xzP3n8Mw83reLmMU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:51 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Pnfn029169 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:49 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Pm5L022679 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:49 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Pmwt024890; Fri, 17 Jun 2016 01:25:48 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:47 -0700 Subject: [PATCH 074/119] xfs: define tracepoints for reflink activities From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 074/119] xfs: define tracepoints for reflink activities To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:46 -0700 Message-ID: <146612674632.12839.17197563754649199978.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126751 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11846 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Define all the tracepoints we need to inspect the runtime operation of reflink/dedupe/copy-on-write. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_trace.h | 333 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 333 insertions(+) diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index a18e321..fe9c6f8 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2998,6 +2998,339 @@ TRACE_EVENT(xfs_bmap_remap_alloc, ); DEFINE_INODE_ERROR_EVENT(xfs_bmap_remap_alloc_error); +/* reflink tracepoint classes */ + +/* two-file io tracepoint class */ +DECLARE_EVENT_CLASS(xfs_double_io_class, + TP_PROTO(struct xfs_inode *src, xfs_off_t soffset, xfs_off_t len, + struct xfs_inode *dest, xfs_off_t doffset), + TP_ARGS(src, soffset, len, dest, doffset), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, src_ino) + __field(loff_t, src_isize) + __field(loff_t, src_disize) + __field(loff_t, src_offset) + __field(size_t, len) + __field(xfs_ino_t, dest_ino) + __field(loff_t, dest_isize) + __field(loff_t, dest_disize) + __field(loff_t, dest_offset) + ), + TP_fast_assign( + __entry->dev = VFS_I(src)->i_sb->s_dev; + __entry->src_ino = src->i_ino; + __entry->src_isize = VFS_I(src)->i_size; + __entry->src_disize = src->i_d.di_size; + __entry->src_offset = soffset; + __entry->len = len; + __entry->dest_ino = dest->i_ino; + __entry->dest_isize = VFS_I(dest)->i_size; + __entry->dest_disize = dest->i_d.di_size; + __entry->dest_offset = doffset; + ), + TP_printk("dev %d:%d count %zd " + "ino 0x%llx isize 0x%llx disize 0x%llx offset 0x%llx -> " + "ino 0x%llx isize 0x%llx disize 0x%llx offset 0x%llx", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->len, + __entry->src_ino, + __entry->src_isize, + __entry->src_disize, + __entry->src_offset, + __entry->dest_ino, + __entry->dest_isize, + __entry->dest_disize, + __entry->dest_offset) +) + +#define DEFINE_DOUBLE_IO_EVENT(name) \ +DEFINE_EVENT(xfs_double_io_class, name, \ + TP_PROTO(struct xfs_inode *src, xfs_off_t soffset, xfs_off_t len, \ + struct xfs_inode *dest, xfs_off_t doffset), \ + TP_ARGS(src, soffset, len, dest, doffset)) + +/* two-file vfs io tracepoint class */ +DECLARE_EVENT_CLASS(xfs_double_vfs_io_class, + TP_PROTO(struct inode *src, u64 soffset, u64 len, + struct inode *dest, u64 doffset), + TP_ARGS(src, soffset, len, dest, doffset), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(unsigned long, src_ino) + __field(loff_t, src_isize) + __field(loff_t, src_offset) + __field(size_t, len) + __field(unsigned long, dest_ino) + __field(loff_t, dest_isize) + __field(loff_t, dest_offset) + ), + TP_fast_assign( + __entry->dev = src->i_sb->s_dev; + __entry->src_ino = src->i_ino; + __entry->src_isize = i_size_read(src); + __entry->src_offset = soffset; + __entry->len = len; + __entry->dest_ino = dest->i_ino; + __entry->dest_isize = i_size_read(dest); + __entry->dest_offset = doffset; + ), + TP_printk("dev %d:%d count %zd " + "ino 0x%lx isize 0x%llx offset 0x%llx -> " + "ino 0x%lx isize 0x%llx offset 0x%llx", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->len, + __entry->src_ino, + __entry->src_isize, + __entry->src_offset, + __entry->dest_ino, + __entry->dest_isize, + __entry->dest_offset) +) + +#define DEFINE_DOUBLE_VFS_IO_EVENT(name) \ +DEFINE_EVENT(xfs_double_vfs_io_class, name, \ + TP_PROTO(struct inode *src, u64 soffset, u64 len, \ + struct inode *dest, u64 doffset), \ + TP_ARGS(src, soffset, len, dest, doffset)) + +/* CoW write tracepoint */ +DECLARE_EVENT_CLASS(xfs_copy_on_write_class, + TP_PROTO(struct xfs_inode *ip, xfs_fileoff_t lblk, xfs_fsblock_t pblk, + xfs_extlen_t len, xfs_fsblock_t new_pblk), + TP_ARGS(ip, lblk, pblk, len, new_pblk), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(xfs_fileoff_t, lblk) + __field(xfs_fsblock_t, pblk) + __field(xfs_extlen_t, len) + __field(xfs_fsblock_t, new_pblk) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->lblk = lblk; + __entry->pblk = pblk; + __entry->len = len; + __entry->new_pblk = new_pblk; + ), + TP_printk("dev %d:%d ino 0x%llx lblk 0x%llx pblk 0x%llx " + "len 0x%x new_pblk %llu", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->lblk, + __entry->pblk, + __entry->len, + __entry->new_pblk) +) + +#define DEFINE_COW_EVENT(name) \ +DEFINE_EVENT(xfs_copy_on_write_class, name, \ + TP_PROTO(struct xfs_inode *ip, xfs_fileoff_t lblk, xfs_fsblock_t pblk, \ + xfs_extlen_t len, xfs_fsblock_t new_pblk), \ + TP_ARGS(ip, lblk, pblk, len, new_pblk)) + +/* inode/irec events */ +DECLARE_EVENT_CLASS(xfs_inode_irec_class, + TP_PROTO(struct xfs_inode *ip, struct xfs_bmbt_irec *irec), + TP_ARGS(ip, irec), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(xfs_fileoff_t, lblk) + __field(xfs_extlen_t, len) + __field(xfs_fsblock_t, pblk) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->lblk = irec->br_startoff; + __entry->len = irec->br_blockcount; + __entry->pblk = irec->br_startblock; + ), + TP_printk("dev %d:%d ino 0x%llx lblk 0x%llx len 0x%x pblk %llu", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->lblk, + __entry->len, + __entry->pblk) +); +#define DEFINE_INODE_IREC_EVENT(name) \ +DEFINE_EVENT(xfs_inode_irec_class, name, \ + TP_PROTO(struct xfs_inode *ip, struct xfs_bmbt_irec *irec), \ + TP_ARGS(ip, irec)) + +/* refcount/reflink tracepoint definitions */ + +/* reflink tracepoints */ +DEFINE_INODE_EVENT(xfs_reflink_set_inode_flag); +DEFINE_INODE_EVENT(xfs_reflink_unset_inode_flag); +DEFINE_ITRUNC_EVENT(xfs_reflink_update_inode_size); +DEFINE_IOMAP_EVENT(xfs_reflink_remap_imap); +TRACE_EVENT(xfs_reflink_remap_blocks_loop, + TP_PROTO(struct xfs_inode *src, xfs_fileoff_t soffset, + xfs_filblks_t len, struct xfs_inode *dest, + xfs_fileoff_t doffset), + TP_ARGS(src, soffset, len, dest, doffset), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, src_ino) + __field(xfs_fileoff_t, src_lblk) + __field(xfs_filblks_t, len) + __field(xfs_ino_t, dest_ino) + __field(xfs_fileoff_t, dest_lblk) + ), + TP_fast_assign( + __entry->dev = VFS_I(src)->i_sb->s_dev; + __entry->src_ino = src->i_ino; + __entry->src_lblk = soffset; + __entry->len = len; + __entry->dest_ino = dest->i_ino; + __entry->dest_lblk = doffset; + ), + TP_printk("dev %d:%d len 0x%llx " + "ino 0x%llx offset 0x%llx blocks -> " + "ino 0x%llx offset 0x%llx blocks", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->len, + __entry->src_ino, + __entry->src_lblk, + __entry->dest_ino, + __entry->dest_lblk) +); +TRACE_EVENT(xfs_reflink_punch_range, + TP_PROTO(struct xfs_inode *ip, xfs_fileoff_t lblk, + xfs_extlen_t len), + TP_ARGS(ip, lblk, len), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(xfs_fileoff_t, lblk) + __field(xfs_extlen_t, len) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->lblk = lblk; + __entry->len = len; + ), + TP_printk("dev %d:%d ino 0x%llx lblk 0x%llx len 0x%x", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->lblk, + __entry->len) +); +TRACE_EVENT(xfs_reflink_remap, + TP_PROTO(struct xfs_inode *ip, xfs_fileoff_t lblk, + xfs_extlen_t len, xfs_fsblock_t new_pblk), + TP_ARGS(ip, lblk, len, new_pblk), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(xfs_fileoff_t, lblk) + __field(xfs_extlen_t, len) + __field(xfs_fsblock_t, new_pblk) + ), + TP_fast_assign( + __entry->dev = VFS_I(ip)->i_sb->s_dev; + __entry->ino = ip->i_ino; + __entry->lblk = lblk; + __entry->len = len; + __entry->new_pblk = new_pblk; + ), + TP_printk("dev %d:%d ino 0x%llx lblk 0x%llx len 0x%x new_pblk %llu", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->lblk, + __entry->len, + __entry->new_pblk) +); +DEFINE_DOUBLE_IO_EVENT(xfs_reflink_remap_range); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_remap_range_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_set_inode_flag_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_update_inode_size_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_reflink_main_loop_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_read_iomap_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_remap_blocks_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_remap_extent_error); + +/* dedupe tracepoints */ +DEFINE_DOUBLE_IO_EVENT(xfs_reflink_compare_extents); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_compare_extents_error); + +/* ioctl tracepoints */ +DEFINE_DOUBLE_VFS_IO_EVENT(xfs_ioctl_reflink); +DEFINE_DOUBLE_VFS_IO_EVENT(xfs_ioctl_clone_range); +DEFINE_DOUBLE_VFS_IO_EVENT(xfs_ioctl_file_extent_same); +TRACE_EVENT(xfs_ioctl_clone, + TP_PROTO(struct inode *src, struct inode *dest), + TP_ARGS(src, dest), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(unsigned long, src_ino) + __field(loff_t, src_isize) + __field(unsigned long, dest_ino) + __field(loff_t, dest_isize) + ), + TP_fast_assign( + __entry->dev = src->i_sb->s_dev; + __entry->src_ino = src->i_ino; + __entry->src_isize = i_size_read(src); + __entry->dest_ino = dest->i_ino; + __entry->dest_isize = i_size_read(dest); + ), + TP_printk("dev %d:%d " + "ino 0x%lx isize 0x%llx -> " + "ino 0x%lx isize 0x%llx\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->src_ino, + __entry->src_isize, + __entry->dest_ino, + __entry->dest_isize) +); + +/* unshare tracepoints */ +DEFINE_SIMPLE_IO_EVENT(xfs_reflink_unshare); +DEFINE_SIMPLE_IO_EVENT(xfs_reflink_cow_eof_block); +DEFINE_PAGE_EVENT(xfs_reflink_unshare_page); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_unshare_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_cow_eof_block_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_dirty_page_error); + +/* copy on write */ +DEFINE_INODE_IREC_EVENT(xfs_reflink_irec_is_shared); + +DEFINE_RW_EVENT(xfs_reflink_reserve_cow_range); +DEFINE_INODE_IREC_EVENT(xfs_reflink_reserve_cow_extent); +DEFINE_RW_EVENT(xfs_reflink_allocate_cow_range); +DEFINE_INODE_IREC_EVENT(xfs_reflink_allocate_cow_extent); + +DEFINE_INODE_IREC_EVENT(xfs_reflink_bounce_dio_write); +DEFINE_IOMAP_EVENT(xfs_reflink_find_cow_mapping); +DEFINE_INODE_IREC_EVENT(xfs_reflink_trim_irec); +DEFINE_SIMPLE_IO_EVENT(xfs_iomap_cow_delay); + +DEFINE_SIMPLE_IO_EVENT(xfs_reflink_cancel_cow_range); +DEFINE_SIMPLE_IO_EVENT(xfs_reflink_end_cow); +DEFINE_INODE_IREC_EVENT(xfs_reflink_cow_remap); +DEFINE_INODE_IREC_EVENT(xfs_reflink_cow_remap_piece); + +DEFINE_INODE_ERROR_EVENT(xfs_reflink_reserve_cow_range_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_reserve_cow_extent_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_allocate_cow_range_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_cancel_cow_range_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_end_cow_error); + +DEFINE_COW_EVENT(xfs_reflink_fork_buf); +DEFINE_COW_EVENT(xfs_reflink_finish_fork_buf); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_fork_buf_error); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_finish_fork_buf_error); + +DEFINE_INODE_EVENT(xfs_reflink_cancel_pending_cow); +DEFINE_INODE_IREC_EVENT(xfs_reflink_cancel_cow); +DEFINE_INODE_ERROR_EVENT(xfs_reflink_cancel_pending_cow_error); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:25:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8D1837E7C for ; Thu, 16 Jun 2016 20:25:59 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5C11D8F804C for ; Thu, 16 Jun 2016 18:25:59 -0700 (PDT) X-ASG-Debug-ID: 1466126757-04cbb01fef69870001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id dYRKAJ4fF6hENA7u (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:25:58 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1PtA3009923 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:56 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1PtA7022772 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:25:55 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Pswd024899; Fri, 17 Jun 2016 01:25:54 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:25:54 -0700 Subject: [PATCH 075/119] xfs: add reflink feature flag to geometry From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 075/119] xfs: add reflink feature flag to geometry To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:52 -0700 Message-ID: <146612675269.12839.6729634542114964609.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126757 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1638 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Report the reflink feature in the XFS geometry so that xfs_info and friends know the filesystem has this feature. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_fs.h | 3 ++- fs/xfs/xfs_fsops.c | 4 +++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 7945505..6f4f2c3 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -206,7 +206,8 @@ typedef struct xfs_fsop_resblks { #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ -#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* Reverse mapping btree */ +#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */ +#define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */ /* * Minimum and maximum sizes need for growth checks. diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 3c1ded1..84e7ba3 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -107,7 +107,9 @@ xfs_fs_geometry( (xfs_sb_version_hassparseinodes(&mp->m_sb) ? XFS_FSOP_GEOM_FLAGS_SPINODES : 0) | (xfs_sb_version_hasrmapbt(&mp->m_sb) ? - XFS_FSOP_GEOM_FLAGS_RMAPBT : 0); + XFS_FSOP_GEOM_FLAGS_RMAPBT : 0) | + (xfs_sb_version_hasreflink(&mp->m_sb) ? + XFS_FSOP_GEOM_FLAGS_REFLINK : 0); geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ? mp->m_sb.sb_logsectsize : BBSIZE; geo->rtsectsize = mp->m_sb.sb_blocksize; From darrick.wong@oracle.com Thu Jun 16 20:26:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 171647E64 for ; Thu, 16 Jun 2016 20:26:06 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id BC7BD304048 for ; Thu, 16 Jun 2016 18:26:05 -0700 (PDT) X-ASG-Debug-ID: 1466126763-04bdf01e1795bc0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id r9HBTDyRdw3bwoTh (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:04 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Q10T010214 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:02 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Q1KH022964 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:01 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Q0bK024916; Fri, 17 Jun 2016 01:26:00 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:00 -0700 Subject: [PATCH 076/119] xfs: don't allow reflinked dir/dev/fifo/socket/pipe files From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 076/119] xfs: don't allow reflinked dir/dev/fifo/socket/pipe files To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:25:59 -0700 Message-ID: <146612675894.12839.15938070770878804836.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126764 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1586 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Only non-rt files can be reflinked, so check that when we load an inode. Also, don't leak the attr fork if there's a failure. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_inode_fork.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index bbcc8c7..7699a03 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -121,6 +121,26 @@ xfs_iformat_fork( return -EFSCORRUPTED; } + if (unlikely(xfs_is_reflink_inode(ip) && + (VFS_I(ip)->i_mode & S_IFMT) != S_IFREG)) { + xfs_warn(ip->i_mount, + "corrupt dinode %llu, wrong file type for reflink.", + ip->i_ino); + XFS_CORRUPTION_ERROR("xfs_iformat(reflink)", + XFS_ERRLEVEL_LOW, ip->i_mount, dip); + return -EFSCORRUPTED; + } + + if (unlikely(xfs_is_reflink_inode(ip) && + (ip->i_d.di_flags & XFS_DIFLAG_REALTIME))) { + xfs_warn(ip->i_mount, + "corrupt dinode %llu, has reflink+realtime flag set.", + ip->i_ino); + XFS_CORRUPTION_ERROR("xfs_iformat(reflink)", + XFS_ERRLEVEL_LOW, ip->i_mount, dip); + return -EFSCORRUPTED; + } + switch (VFS_I(ip)->i_mode & S_IFMT) { case S_IFIFO: case S_IFCHR: @@ -208,7 +228,8 @@ xfs_iformat_fork( XFS_CORRUPTION_ERROR("xfs_iformat(8)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return -EFSCORRUPTED; + error = -EFSCORRUPTED; + break; } error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK, size); From darrick.wong@oracle.com Thu Jun 16 20:26:14 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 189037CB4 for ; Thu, 16 Jun 2016 20:26:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id D98618F804B for ; Thu, 16 Jun 2016 18:26:13 -0700 (PDT) X-ASG-Debug-ID: 1466126770-04cb6c542757910001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id J945RLpHwE4OG6E3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Q7cU010308 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:26:07 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Q7Lc017301 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:26:07 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Q7au029200; Fri, 17 Jun 2016 01:26:07 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:06 -0700 Subject: [PATCH 077/119] xfs: introduce the CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 077/119] xfs: introduce the CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:05 -0700 Message-ID: <146612676517.12839.5004444315047596126.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126770 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 20463 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Introduce a new in-core fork for storing copy-on-write delalloc reservations and allocated extents that are in the process of being written out. v2: fix up bmapi_read so that we can query the CoW fork, and have it return a "hole" extent if there's no CoW fork. Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_bmap.c | 27 +++++++-- fs/xfs/libxfs/xfs_bmap.h | 22 +++++++- fs/xfs/libxfs/xfs_bmap_btree.c | 1 fs/xfs/libxfs/xfs_inode_fork.c | 47 +++++++++++++++- fs/xfs/libxfs/xfs_inode_fork.h | 28 ++++++++-- fs/xfs/libxfs/xfs_rmap.c | 2 + fs/xfs/libxfs/xfs_types.h | 1 fs/xfs/xfs_icache.c | 5 ++ fs/xfs/xfs_inode.h | 4 + fs/xfs/xfs_reflink.c | 114 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 23 ++++++++ fs/xfs/xfs_trace.h | 4 + 13 files changed, 258 insertions(+), 21 deletions(-) create mode 100644 fs/xfs/xfs_reflink.c create mode 100644 fs/xfs/xfs_reflink.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 941afe6..56c384b 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -91,6 +91,7 @@ xfs-y += xfs_aops.o \ xfs_message.o \ xfs_mount.o \ xfs_mru_cache.o \ + xfs_reflink.o \ xfs_stats.o \ xfs_super.o \ xfs_symlink.o \ diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 5af4593..ccfaf60 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -2924,6 +2924,7 @@ xfs_bmap_add_extent_hole_real( ASSERT(!isnullstartblock(new->br_startblock)); ASSERT(!bma->cur || !(bma->cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL)); + ASSERT(whichfork != XFS_COW_FORK); XFS_STATS_INC(mp, xs_add_exlist); @@ -4058,12 +4059,11 @@ xfs_bmapi_read( int error; int eof; int n = 0; - int whichfork = (flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + int whichfork = xfs_bmapi_whichfork(flags); ASSERT(*nmap >= 1); ASSERT(!(flags & ~(XFS_BMAPI_ATTRFORK|XFS_BMAPI_ENTIRE| - XFS_BMAPI_IGSTATE))); + XFS_BMAPI_IGSTATE|XFS_BMAPI_COWFORK))); ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED|XFS_ILOCK_EXCL)); if (unlikely(XFS_TEST_ERROR( @@ -4081,6 +4081,16 @@ xfs_bmapi_read( ifp = XFS_IFORK_PTR(ip, whichfork); + /* No CoW fork? Return a hole. */ + if (whichfork == XFS_COW_FORK && !ifp) { + mval->br_startoff = bno; + mval->br_startblock = HOLESTARTBLOCK; + mval->br_blockcount = len; + mval->br_state = XFS_EXT_NORM; + *nmap = 1; + return 0; + } + if (!(ifp->if_flags & XFS_IFEXTENTS)) { error = xfs_iread_extents(NULL, ip, whichfork); if (error) @@ -4433,8 +4443,7 @@ xfs_bmapi_convert_unwritten( xfs_filblks_t len, int flags) { - int whichfork = (flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + int whichfork = xfs_bmapi_whichfork(flags); struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork); int tmp_logflags = 0; int error; @@ -4450,6 +4459,8 @@ xfs_bmapi_convert_unwritten( (XFS_BMAPI_PREALLOC | XFS_BMAPI_CONVERT)) return 0; + ASSERT(whichfork != XFS_COW_FORK); + /* * Modify (by adding) the state flag, if writing. */ @@ -4862,6 +4873,8 @@ xfs_bmap_del_extent( if (whichfork == XFS_ATTR_FORK) state |= BMAP_ATTRFORK; + else if (whichfork == XFS_COW_FORK) + state |= BMAP_COWFORK; ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT((*idx >= 0) && (*idx < ifp->if_bytes / @@ -5200,8 +5213,8 @@ __xfs_bunmapi( trace_xfs_bunmap(ip, bno, len, flags, _RET_IP_); - whichfork = (flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + whichfork = xfs_bmapi_whichfork(flags); + ASSERT(whichfork != XFS_COW_FORK); ifp = XFS_IFORK_PTR(ip, whichfork); if (unlikely( XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 97828c5..a8ef1c6 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -104,6 +104,9 @@ struct xfs_bmap_free_item */ #define XFS_BMAPI_REMAP 0x100 +/* Map something in the CoW fork. */ +#define XFS_BMAPI_COWFORK 0x200 + #define XFS_BMAPI_FLAGS \ { XFS_BMAPI_ENTIRE, "ENTIRE" }, \ { XFS_BMAPI_METADATA, "METADATA" }, \ @@ -113,12 +116,23 @@ struct xfs_bmap_free_item { XFS_BMAPI_CONTIG, "CONTIG" }, \ { XFS_BMAPI_CONVERT, "CONVERT" }, \ { XFS_BMAPI_ZERO, "ZERO" }, \ - { XFS_BMAPI_REMAP, "REMAP" } + { XFS_BMAPI_REMAP, "REMAP" }, \ + { XFS_BMAPI_COWFORK, "COWFORK" } static inline int xfs_bmapi_aflag(int w) { - return (w == XFS_ATTR_FORK ? XFS_BMAPI_ATTRFORK : 0); + return (w == XFS_ATTR_FORK ? XFS_BMAPI_ATTRFORK : + (w == XFS_COW_FORK ? XFS_BMAPI_COWFORK : 0)); +} + +static inline int xfs_bmapi_whichfork(int bmapi_flags) +{ + if (bmapi_flags & XFS_BMAPI_COWFORK) + return XFS_COW_FORK; + else if (bmapi_flags & XFS_BMAPI_ATTRFORK) + return XFS_ATTR_FORK; + return XFS_DATA_FORK; } /* @@ -139,13 +153,15 @@ static inline int xfs_bmapi_aflag(int w) #define BMAP_LEFT_VALID (1 << 6) #define BMAP_RIGHT_VALID (1 << 7) #define BMAP_ATTRFORK (1 << 8) +#define BMAP_COWFORK (1 << 9) #define XFS_BMAP_EXT_FLAGS \ { BMAP_LEFT_CONTIG, "LC" }, \ { BMAP_RIGHT_CONTIG, "RC" }, \ { BMAP_LEFT_FILLING, "LF" }, \ { BMAP_RIGHT_FILLING, "RF" }, \ - { BMAP_ATTRFORK, "ATTR" } + { BMAP_ATTRFORK, "ATTR" }, \ + { BMAP_COWFORK, "COW" } /* diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 3e68f9a..a5a8d37 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -776,6 +776,7 @@ xfs_bmbt_init_cursor( { struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); struct xfs_btree_cur *cur; + ASSERT(whichfork != XFS_COW_FORK); cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_SLEEP); diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index 7699a03..d29954a 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -206,9 +206,14 @@ xfs_iformat_fork( XFS_ERROR_REPORT("xfs_iformat(7)", XFS_ERRLEVEL_LOW, ip->i_mount); return -EFSCORRUPTED; } - if (error) { + if (error) return error; + + if (xfs_is_reflink_inode(ip)) { + ASSERT(ip->i_cowfp == NULL); + xfs_ifork_init_cow(ip); } + if (!XFS_DFORK_Q(dip)) return 0; @@ -247,6 +252,9 @@ xfs_iformat_fork( if (error) { kmem_zone_free(xfs_ifork_zone, ip->i_afp); ip->i_afp = NULL; + if (ip->i_cowfp) + kmem_zone_free(xfs_ifork_zone, ip->i_cowfp); + ip->i_cowfp = NULL; xfs_idestroy_fork(ip, XFS_DATA_FORK); } return error; @@ -761,6 +769,9 @@ xfs_idestroy_fork( if (whichfork == XFS_ATTR_FORK) { kmem_zone_free(xfs_ifork_zone, ip->i_afp); ip->i_afp = NULL; + } else if (whichfork == XFS_COW_FORK) { + kmem_zone_free(xfs_ifork_zone, ip->i_cowfp); + ip->i_cowfp = NULL; } } @@ -948,6 +959,19 @@ xfs_iext_get_ext( } } +/* XFS_IEXT_STATE_TO_FORK() -- Convert BMAP state flags to an inode fork. */ +xfs_ifork_t * +XFS_IEXT_STATE_TO_FORK( + struct xfs_inode *ip, + int state) +{ + if (state & BMAP_COWFORK) + return ip->i_cowfp; + else if (state & BMAP_ATTRFORK) + return ip->i_afp; + return &ip->i_df; +} + /* * Insert new item(s) into the extent records for incore inode * fork 'ifp'. 'count' new items are inserted at index 'idx'. @@ -960,7 +984,7 @@ xfs_iext_insert( xfs_bmbt_irec_t *new, /* items to insert */ int state) /* type of extent conversion */ { - xfs_ifork_t *ifp = (state & BMAP_ATTRFORK) ? ip->i_afp : &ip->i_df; + xfs_ifork_t *ifp = XFS_IEXT_STATE_TO_FORK(ip, state); xfs_extnum_t i; /* extent record index */ trace_xfs_iext_insert(ip, idx, new, state, _RET_IP_); @@ -1210,7 +1234,7 @@ xfs_iext_remove( int ext_diff, /* number of extents to remove */ int state) /* type of extent conversion */ { - xfs_ifork_t *ifp = (state & BMAP_ATTRFORK) ? ip->i_afp : &ip->i_df; + xfs_ifork_t *ifp = XFS_IEXT_STATE_TO_FORK(ip, state); xfs_extnum_t nextents; /* number of extents in file */ int new_size; /* size of extents after removal */ @@ -1955,3 +1979,20 @@ xfs_iext_irec_update_extoffs( ifp->if_u1.if_ext_irec[i].er_extoff += ext_diff; } } + +/* + * Initialize an inode's copy-on-write fork. + */ +void +xfs_ifork_init_cow( + struct xfs_inode *ip) +{ + if (ip->i_cowfp) + return; + + ip->i_cowfp = kmem_zone_zalloc(xfs_ifork_zone, + KM_SLEEP | KM_NOFS); + ip->i_cowfp->if_flags = XFS_IFEXTENTS; + ip->i_cformat = XFS_DINODE_FMT_EXTENTS; + ip->i_cnextents = 0; +} diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h index f95e072..44d38eb 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.h +++ b/fs/xfs/libxfs/xfs_inode_fork.h @@ -92,7 +92,9 @@ typedef struct xfs_ifork { #define XFS_IFORK_PTR(ip,w) \ ((w) == XFS_DATA_FORK ? \ &(ip)->i_df : \ - (ip)->i_afp) + ((w) == XFS_ATTR_FORK ? \ + (ip)->i_afp : \ + (ip)->i_cowfp)) #define XFS_IFORK_DSIZE(ip) \ (XFS_IFORK_Q(ip) ? \ XFS_IFORK_BOFF(ip) : \ @@ -105,26 +107,38 @@ typedef struct xfs_ifork { #define XFS_IFORK_SIZE(ip,w) \ ((w) == XFS_DATA_FORK ? \ XFS_IFORK_DSIZE(ip) : \ - XFS_IFORK_ASIZE(ip)) + ((w) == XFS_ATTR_FORK ? \ + XFS_IFORK_ASIZE(ip) : \ + 0)) #define XFS_IFORK_FORMAT(ip,w) \ ((w) == XFS_DATA_FORK ? \ (ip)->i_d.di_format : \ - (ip)->i_d.di_aformat) + ((w) == XFS_ATTR_FORK ? \ + (ip)->i_d.di_aformat : \ + (ip)->i_cformat)) #define XFS_IFORK_FMT_SET(ip,w,n) \ ((w) == XFS_DATA_FORK ? \ ((ip)->i_d.di_format = (n)) : \ - ((ip)->i_d.di_aformat = (n))) + ((w) == XFS_ATTR_FORK ? \ + ((ip)->i_d.di_aformat = (n)) : \ + ((ip)->i_cformat = (n)))) #define XFS_IFORK_NEXTENTS(ip,w) \ ((w) == XFS_DATA_FORK ? \ (ip)->i_d.di_nextents : \ - (ip)->i_d.di_anextents) + ((w) == XFS_ATTR_FORK ? \ + (ip)->i_d.di_anextents : \ + (ip)->i_cnextents)) #define XFS_IFORK_NEXT_SET(ip,w,n) \ ((w) == XFS_DATA_FORK ? \ ((ip)->i_d.di_nextents = (n)) : \ - ((ip)->i_d.di_anextents = (n))) + ((w) == XFS_ATTR_FORK ? \ + ((ip)->i_d.di_anextents = (n)) : \ + ((ip)->i_cnextents = (n)))) #define XFS_IFORK_MAXEXT(ip, w) \ (XFS_IFORK_SIZE(ip, w) / sizeof(xfs_bmbt_rec_t)) +xfs_ifork_t *XFS_IEXT_STATE_TO_FORK(struct xfs_inode *ip, int state); + int xfs_iformat_fork(struct xfs_inode *, struct xfs_dinode *); void xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *, struct xfs_inode_log_item *, int); @@ -169,4 +183,6 @@ void xfs_iext_irec_update_extoffs(struct xfs_ifork *, int, int); extern struct kmem_zone *xfs_ifork_zone; +extern void xfs_ifork_init_cow(struct xfs_inode *ip); + #endif /* __XFS_INODE_FORK_H__ */ diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index f179ea4..611107c 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -1346,6 +1346,8 @@ __xfs_rmap_add( if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) return 0; + if (ri->ri_whichfork == XFS_COW_FORK) + return 0; trace_xfs_rmap_defer(mp, XFS_FSB_TO_AGNO(mp, ri->ri_bmap.br_startblock), ri->ri_type, diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h index 690d616..cf044c0 100644 --- a/fs/xfs/libxfs/xfs_types.h +++ b/fs/xfs/libxfs/xfs_types.h @@ -93,6 +93,7 @@ typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */ */ #define XFS_DATA_FORK 0 #define XFS_ATTR_FORK 1 +#define XFS_COW_FORK 2 /* * Min numbers of data/attr fork btree root pointers. diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 99ee6eee..06f3b8c 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -76,6 +76,9 @@ xfs_inode_alloc( ip->i_mount = mp; memset(&ip->i_imap, 0, sizeof(struct xfs_imap)); ip->i_afp = NULL; + ip->i_cowfp = NULL; + ip->i_cnextents = 0; + ip->i_cformat = XFS_DINODE_FMT_EXTENTS; memset(&ip->i_df, 0, sizeof(xfs_ifork_t)); ip->i_flags = 0; ip->i_delayed_blks = 0; @@ -101,6 +104,8 @@ xfs_inode_free_callback( if (ip->i_afp) xfs_idestroy_fork(ip, XFS_ATTR_FORK); + if (ip->i_cowfp) + xfs_idestroy_fork(ip, XFS_COW_FORK); if (ip->i_itemp) { ASSERT(!(ip->i_itemp->ili_item.li_flags & XFS_LI_IN_AIL)); diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index d0ea6ff..797fcc7 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -47,6 +47,7 @@ typedef struct xfs_inode { /* Extent information. */ xfs_ifork_t *i_afp; /* attribute fork pointer */ + xfs_ifork_t *i_cowfp; /* copy on write extents */ xfs_ifork_t i_df; /* data fork */ /* operations vectors */ @@ -65,6 +66,9 @@ typedef struct xfs_inode { struct xfs_icdinode i_d; /* most of ondisk inode */ + xfs_extnum_t i_cnextents; /* # of extents in cow fork */ + unsigned int i_cformat; /* format of cow fork */ + /* VFS inode */ struct inode i_vnode; /* embedded VFS inode */ } xfs_inode_t; diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c new file mode 100644 index 0000000..7adbb83 --- /dev/null +++ b/fs/xfs/xfs_reflink.c @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_da_format.h" +#include "xfs_da_btree.h" +#include "xfs_inode.h" +#include "xfs_trans.h" +#include "xfs_inode_item.h" +#include "xfs_bmap.h" +#include "xfs_bmap_util.h" +#include "xfs_error.h" +#include "xfs_dir2.h" +#include "xfs_dir2_priv.h" +#include "xfs_ioctl.h" +#include "xfs_trace.h" +#include "xfs_log.h" +#include "xfs_icache.h" +#include "xfs_pnfs.h" +#include "xfs_refcount_btree.h" +#include "xfs_refcount.h" +#include "xfs_bmap_btree.h" +#include "xfs_trans_space.h" +#include "xfs_bit.h" +#include "xfs_alloc.h" +#include "xfs_quota_defs.h" +#include "xfs_quota.h" +#include "xfs_btree.h" +#include "xfs_bmap_btree.h" +#include "xfs_reflink.h" + +/* + * Copy on Write of Shared Blocks + * + * XFS must preserve "the usual" file semantics even when two files share + * the same physical blocks. This means that a write to one file must not + * alter the blocks in a different file; the way that we'll do that is + * through the use of a copy-on-write mechanism. At a high level, that + * means that when we want to write to a shared block, we allocate a new + * block, write the data to the new block, and if that succeeds we map the + * new block into the file. + * + * XFS provides a "delayed allocation" mechanism that defers the allocation + * of disk blocks to dirty-but-not-yet-mapped file blocks as long as + * possible. This reduces fragmentation by enabling the filesystem to ask + * for bigger chunks less often, which is exactly what we want for CoW. + * + * The delalloc mechanism begins when the kernel wants to make a block + * writable (write_begin or page_mkwrite). If the offset is not mapped, we + * create a delalloc mapping, which is a regular in-core extent, but without + * a real startblock. (For delalloc mappings, the startblock encodes both + * a flag that this is a delalloc mapping, and a worst-case estimate of how + * many blocks might be required to put the mapping into the BMBT.) delalloc + * mappings are a reservation against the free space in the filesystem; + * adjacent mappings can also be combined into fewer larger mappings. + * + * When dirty pages are being written out (typically in writepage), the + * delalloc reservations are converted into real mappings by allocating + * blocks and replacing the delalloc mapping with real ones. A delalloc + * mapping can be replaced by several real ones if the free space is + * fragmented. + * + * We want to adapt the delalloc mechanism for copy-on-write, since the + * write paths are similar. The first two steps (creating the reservation + * and allocating the blocks) are exactly the same as delalloc except that + * the mappings must be stored in a separate CoW fork because we do not want + * to disturb the mapping in the data fork until we're sure that the write + * succeeded. IO completion in this case is the process of removing the old + * mapping from the data fork and moving the new mapping from the CoW fork to + * the data fork. This will be discussed shortly. + * + * For now, unaligned directio writes will be bounced back to the page cache. + * Block-aligned directio writes will use the same mechanism as buffered + * writes. + * + * CoW remapping must be done after the data block write completes, + * because we don't want to destroy the old data fork map until we're sure + * the new block has been written. Since the new mappings are kept in a + * separate fork, we can simply iterate these mappings to find the ones + * that cover the file blocks that we just CoW'd. For each extent, simply + * unmap the corresponding range in the data fork, map the new range into + * the data fork, and remove the extent from the CoW fork. + * + * Since the remapping operation can be applied to an arbitrary file + * range, we record the need for the remap step as a flag in the ioend + * instead of declaring a new IO type. This is required for direct io + * because we only have ioend for the whole dio, and we have to be able to + * remember the presence of unwritten blocks and CoW blocks with a single + * ioend structure. Better yet, the more ground we can cover with one + * ioend, the better. + */ diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h new file mode 100644 index 0000000..820b151 --- /dev/null +++ b/fs/xfs/xfs_reflink.h @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_REFLINK_H +#define __XFS_REFLINK_H 1 + +#endif /* __XFS_REFLINK_H */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index fe9c6f8..079075f 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -269,10 +269,10 @@ DECLARE_EVENT_CLASS(xfs_bmap_class, __field(unsigned long, caller_ip) ), TP_fast_assign( - struct xfs_ifork *ifp = (state & BMAP_ATTRFORK) ? - ip->i_afp : &ip->i_df; + struct xfs_ifork *ifp; struct xfs_bmbt_irec r; + ifp = XFS_IEXT_STATE_TO_FORK(ip, state); xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx), &r); __entry->dev = VFS_I(ip)->i_sb->s_dev; __entry->ino = ip->i_ino; From darrick.wong@oracle.com Thu Jun 16 20:26:21 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CC6E57CB4 for ; Thu, 16 Jun 2016 20:26:21 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 52274AC001 for ; Thu, 16 Jun 2016 18:26:21 -0700 (PDT) X-ASG-Debug-ID: 1466126778-04cbb01fec698a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Qt39VmPw08V5hrsZ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:19 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1QGTd010357 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:16 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QF2b023378 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:15 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QDX8008359; Fri, 17 Jun 2016 01:26:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:13 -0700 Subject: [PATCH 078/119] xfs: support bmapping delalloc extents in the CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 078/119] xfs: support bmapping delalloc extents in the CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:11 -0700 Message-ID: <146612677161.12839.2197894379412170153.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126778 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8268 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Allow the creation of delayed allocation extents in the CoW fork. In a subsequent patch we'll wire up write_begin and page_mkwrite to actually do this. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 29 +++++++++++++++++----------- fs/xfs/libxfs/xfs_bmap.h | 2 +- fs/xfs/xfs_iomap.c | 48 +++++++++++++++++++++++++++++++++++++--------- fs/xfs/xfs_iomap.h | 2 ++ 4 files changed, 60 insertions(+), 21 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index ccfaf60..18b94e6 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -2760,6 +2760,7 @@ done: STATIC void xfs_bmap_add_extent_hole_delay( xfs_inode_t *ip, /* incore inode pointer */ + int whichfork, xfs_extnum_t *idx, /* extent number to update/insert */ xfs_bmbt_irec_t *new) /* new data to add to file extents */ { @@ -2771,8 +2772,10 @@ xfs_bmap_add_extent_hole_delay( int state; /* state bits, accessed thru macros */ xfs_filblks_t temp=0; /* temp for indirect calculations */ - ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + ifp = XFS_IFORK_PTR(ip, whichfork); state = 0; + if (whichfork == XFS_COW_FORK) + state |= BMAP_COWFORK; ASSERT(isnullstartblock(new->br_startblock)); /* @@ -2790,7 +2793,7 @@ xfs_bmap_add_extent_hole_delay( * Check and set flags if the current (right) segment exists. * If it doesn't exist, we're converting the hole at end-of-file. */ - if (*idx < ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t)) { + if (*idx < ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t)) { state |= BMAP_RIGHT_VALID; xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *idx), &right); @@ -4140,6 +4143,7 @@ xfs_bmapi_read( STATIC int xfs_bmapi_reserve_delalloc( struct xfs_inode *ip, + int whichfork, xfs_fileoff_t aoff, xfs_filblks_t len, struct xfs_bmbt_irec *got, @@ -4148,7 +4152,7 @@ xfs_bmapi_reserve_delalloc( int eof) { struct xfs_mount *mp = ip->i_mount; - struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); xfs_extlen_t alen; xfs_extlen_t indlen; char rt = XFS_IS_REALTIME_INODE(ip); @@ -4207,7 +4211,7 @@ xfs_bmapi_reserve_delalloc( got->br_startblock = nullstartblock(indlen); got->br_blockcount = alen; got->br_state = XFS_EXT_NORM; - xfs_bmap_add_extent_hole_delay(ip, lastx, got); + xfs_bmap_add_extent_hole_delay(ip, whichfork, lastx, got); /* * Update our extent pointer, given that xfs_bmap_add_extent_hole_delay @@ -4239,6 +4243,7 @@ out_unreserve_quota: int xfs_bmapi_delay( struct xfs_inode *ip, /* incore inode */ + int whichfork, /* data or cow fork? */ xfs_fileoff_t bno, /* starting file offs. mapped */ xfs_filblks_t len, /* length to map in file */ struct xfs_bmbt_irec *mval, /* output: map values */ @@ -4246,7 +4251,7 @@ xfs_bmapi_delay( int flags) /* XFS_BMAPI_... */ { struct xfs_mount *mp = ip->i_mount; - struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); struct xfs_bmbt_irec got; /* current file extent record */ struct xfs_bmbt_irec prev; /* previous file extent record */ xfs_fileoff_t obno; /* old block number (offset) */ @@ -4256,14 +4261,15 @@ xfs_bmapi_delay( int n = 0; /* current extent index */ int error = 0; + ASSERT(whichfork == XFS_DATA_FORK || whichfork == XFS_COW_FORK); ASSERT(*nmap >= 1); ASSERT(*nmap <= XFS_BMAP_MAX_NMAP); ASSERT(!(flags & ~XFS_BMAPI_ENTIRE)); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); if (unlikely(XFS_TEST_ERROR( - (XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) != XFS_DINODE_FMT_EXTENTS && - XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) != XFS_DINODE_FMT_BTREE), + (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && + XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmapi_delay", XFS_ERRLEVEL_LOW, mp); return -EFSCORRUPTED; @@ -4274,19 +4280,20 @@ xfs_bmapi_delay( XFS_STATS_INC(mp, xs_blk_mapw); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK); + if (whichfork == XFS_DATA_FORK && !(ifp->if_flags & XFS_IFEXTENTS)) { + error = xfs_iread_extents(NULL, ip, whichfork); if (error) return error; } - xfs_bmap_search_extents(ip, bno, XFS_DATA_FORK, &eof, &lastx, &got, &prev); + xfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, &got, &prev); end = bno + len; obno = bno; while (bno < end && n < *nmap) { if (eof || got.br_startoff > bno) { - error = xfs_bmapi_reserve_delalloc(ip, bno, len, &got, + error = xfs_bmapi_reserve_delalloc(ip, whichfork, + bno, len, &got, &prev, &lastx, eof); if (error) { if (n == 0) { diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index a8ef1c6..d90f88e 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -205,7 +205,7 @@ int xfs_bmap_read_extents(struct xfs_trans *tp, struct xfs_inode *ip, int xfs_bmapi_read(struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, struct xfs_bmbt_irec *mval, int *nmap, int flags); -int xfs_bmapi_delay(struct xfs_inode *ip, xfs_fileoff_t bno, +int xfs_bmapi_delay(struct xfs_inode *ip, int whichfork, xfs_fileoff_t bno, xfs_filblks_t len, struct xfs_bmbt_irec *mval, int *nmap, int flags); int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 61b61f51..82c4697 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -560,12 +560,13 @@ check_writeio: return alloc_blocks; } -int -xfs_iomap_write_delay( +STATIC int +__xfs_iomap_write_delay( xfs_inode_t *ip, xfs_off_t offset, size_t count, - xfs_bmbt_irec_t *ret_imap) + xfs_bmbt_irec_t *ret_imap, + int whichfork) { xfs_mount_t *mp = ip->i_mount; xfs_fileoff_t offset_fsb; @@ -591,10 +592,14 @@ xfs_iomap_write_delay( extsz = xfs_get_extsz_hint(ip); offset_fsb = XFS_B_TO_FSBT(mp, offset); - error = xfs_iomap_eof_want_preallocate(mp, ip, offset, count, - imap, XFS_WRITE_IMAPS, &prealloc); - if (error) - return error; + if (whichfork == XFS_DATA_FORK) { + error = xfs_iomap_eof_want_preallocate(mp, ip, offset, count, + imap, XFS_WRITE_IMAPS, &prealloc); + if (error) + return error; + } else { + prealloc = 0; + } retry: if (prealloc) { @@ -626,8 +631,8 @@ retry: ASSERT(last_fsb > offset_fsb); nimaps = XFS_WRITE_IMAPS; - error = xfs_bmapi_delay(ip, offset_fsb, last_fsb - offset_fsb, - imap, &nimaps, XFS_BMAPI_ENTIRE); + error = xfs_bmapi_delay(ip, whichfork, offset_fsb, + last_fsb - offset_fsb, imap, &nimaps, XFS_BMAPI_ENTIRE); switch (error) { case 0: case -ENOSPC: @@ -665,6 +670,31 @@ retry: return 0; } +int +xfs_iomap_write_delay( + xfs_inode_t *ip, + xfs_off_t offset, + size_t count, + xfs_bmbt_irec_t *ret_imap) +{ + return __xfs_iomap_write_delay(ip, offset, count, ret_imap, + XFS_DATA_FORK); +} + +int +xfs_iomap_cow_delay( + xfs_inode_t *ip, + xfs_off_t offset, + size_t count, + xfs_bmbt_irec_t *ret_imap) +{ + ASSERT(XFS_IFORK_PTR(ip, XFS_COW_FORK) != NULL); + trace_xfs_iomap_cow_delay(ip, offset, count); + + return __xfs_iomap_write_delay(ip, offset, count, ret_imap, + XFS_COW_FORK); +} + /* * Pass in a delayed allocate extent, convert it to real extents; * return to the caller the extent we create which maps on top of diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h index 8688e66..f6a9adf 100644 --- a/fs/xfs/xfs_iomap.h +++ b/fs/xfs/xfs_iomap.h @@ -28,5 +28,7 @@ int xfs_iomap_write_delay(struct xfs_inode *, xfs_off_t, size_t, int xfs_iomap_write_allocate(struct xfs_inode *, xfs_off_t, struct xfs_bmbt_irec *); int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t); +int xfs_iomap_cow_delay(struct xfs_inode *, xfs_off_t, size_t, + struct xfs_bmbt_irec *); #endif /* __XFS_IOMAP_H__*/ From darrick.wong@oracle.com Thu Jun 16 20:26:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AA33D7E8A for ; Thu, 16 Jun 2016 20:26:27 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5A974304039 for ; Thu, 16 Jun 2016 18:26:27 -0700 (PDT) X-ASG-Debug-ID: 1466126784-04bdf01e1795be0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id m8MpsjXw78tNEnOi (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:24 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1QMvH029654 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:22 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QMBf023459 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:22 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QJ6Q008378; Fri, 17 Jun 2016 01:26:21 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:19 -0700 Subject: [PATCH 079/119] xfs: create delalloc extents in CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 079/119] xfs: create delalloc extents in CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:18 -0700 Message-ID: <146612677795.12839.15535158428152936702.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126784 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7140 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Wire up write_begin and page_mkwrite to detect shared extents and create delayed allocation extents in the CoW fork. v2: Make trim_extent better at constraining the extent to just the range passed in. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_aops.c | 10 +++ fs/xfs/xfs_file.c | 10 +++ fs/xfs/xfs_reflink.c | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 3 + 4 files changed, 181 insertions(+) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 4c463b9..66a2a9b 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -31,6 +31,7 @@ #include "xfs_bmap.h" #include "xfs_bmap_util.h" #include "xfs_bmap_btree.h" +#include "xfs_reflink.h" #include #include #include @@ -1567,6 +1568,15 @@ xfs_vm_write_begin( if (!page) return -ENOMEM; + /* Reserve delalloc blocks for CoW. */ + status = xfs_reflink_reserve_cow_range(XFS_I(mapping->host), pos, len); + if (status) { + unlock_page(page); + put_page(page); + *pagep = NULL; + return status; + } + status = __block_write_begin(page, pos, len, xfs_get_blocks); if (xfs_mp_fail_writes(mp)) status = -EIO; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 47fc632..148d0b3 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -37,6 +37,7 @@ #include "xfs_log.h" #include "xfs_icache.h" #include "xfs_pnfs.h" +#include "xfs_reflink.h" #include #include @@ -1550,6 +1551,14 @@ xfs_filemap_page_mkwrite( file_update_time(vma->vm_file); xfs_ilock(XFS_I(inode), XFS_MMAPLOCK_SHARED); + /* Reserve delalloc blocks for CoW. */ + ret = xfs_reflink_reserve_cow_range(XFS_I(inode), + vmf->page->index << PAGE_SHIFT, PAGE_SIZE); + if (ret) { + ret = block_page_mkwrite_return(ret); + goto out; + } + if (IS_DAX(inode)) { ret = __dax_mkwrite(vma, vmf, xfs_get_blocks_dax_fault); } else { @@ -1557,6 +1566,7 @@ xfs_filemap_page_mkwrite( ret = block_page_mkwrite_return(ret); } +out: xfs_iunlock(XFS_I(inode), XFS_MMAPLOCK_SHARED); sb_end_pagefault(inode->i_sb); diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 7adbb83..112d86b 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -51,6 +51,7 @@ #include "xfs_btree.h" #include "xfs_bmap_btree.h" #include "xfs_reflink.h" +#include "xfs_iomap.h" /* * Copy on Write of Shared Blocks @@ -112,3 +113,160 @@ * ioend structure. Better yet, the more ground we can cover with one * ioend, the better. */ + +/* Trim extent to fit a logical block range. */ +static void +xfs_trim_extent( + struct xfs_bmbt_irec *irec, + xfs_fileoff_t bno, + xfs_filblks_t len) +{ + xfs_fileoff_t distance; + xfs_fileoff_t end = bno + len; + + if (irec->br_startoff + irec->br_blockcount <= bno || + irec->br_startoff >= end) { + irec->br_blockcount = 0; + return; + } + + if (irec->br_startoff < bno) { + distance = bno - irec->br_startoff; + if (irec->br_startblock != DELAYSTARTBLOCK && + irec->br_startblock != HOLESTARTBLOCK) + irec->br_startblock += distance; + irec->br_startoff += distance; + irec->br_blockcount -= distance; + } + + if (end < irec->br_startoff + irec->br_blockcount) { + distance = irec->br_startoff + irec->br_blockcount - end; + irec->br_blockcount -= distance; + } +} + +/* Find the shared ranges under an irec, and set up delalloc extents. */ +static int +xfs_reflink_reserve_cow_extent( + struct xfs_inode *ip, + struct xfs_bmbt_irec *irec) +{ + struct xfs_bmbt_irec rec; + xfs_agnumber_t agno; + xfs_agblock_t agbno; + xfs_extlen_t aglen; + xfs_agblock_t fbno; + xfs_extlen_t flen; + xfs_fileoff_t lblk; + xfs_off_t foffset; + xfs_extlen_t distance; + size_t fsize; + int error = 0; + + /* Holes, unwritten, and delalloc extents cannot be shared */ + if (ISUNWRITTEN(irec) || + irec->br_startblock == HOLESTARTBLOCK || + irec->br_startblock == DELAYSTARTBLOCK) + return 0; + + trace_xfs_reflink_reserve_cow_extent(ip, irec); + agno = XFS_FSB_TO_AGNO(ip->i_mount, irec->br_startblock); + agbno = XFS_FSB_TO_AGBNO(ip->i_mount, irec->br_startblock); + lblk = irec->br_startoff; + aglen = irec->br_blockcount; + + while (aglen > 0) { + /* Find maximal fork range within this extent */ + error = xfs_refcount_find_shared(ip->i_mount, agno, agbno, + aglen, &fbno, &flen, true); + if (error) + break; + if (flen == 0) { + distance = fbno - agbno; + goto advloop; + } + + /* Add as much as we can to the cow fork */ + foffset = XFS_FSB_TO_B(ip->i_mount, lblk + fbno - agbno); + fsize = XFS_FSB_TO_B(ip->i_mount, flen); + error = xfs_iomap_cow_delay(ip, foffset, fsize, &rec); + if (error) + break; + + distance = (rec.br_startoff - lblk) + rec.br_blockcount; +advloop: + if (aglen < distance) + break; + aglen -= distance; + agbno += distance; + lblk += distance; + } + + if (error) + trace_xfs_reflink_reserve_cow_extent_error(ip, error, _RET_IP_); + return error; +} + +/* + * Create CoW reservations for all shared blocks within a byte range of + * a file. + */ +int +xfs_reflink_reserve_cow_range( + struct xfs_inode *ip, + xfs_off_t pos, + xfs_off_t len) +{ + struct xfs_bmbt_irec imap; + int nimaps; + int error = 0; + xfs_fileoff_t lblk; + xfs_fileoff_t next_lblk; + struct xfs_ifork *ifp; + struct xfs_bmbt_rec_host *gotp; + xfs_extnum_t idx; + + if (!xfs_is_reflink_inode(ip)) + return 0; + + trace_xfs_reflink_reserve_cow_range(ip, len, pos, 0); + + lblk = XFS_B_TO_FSBT(ip->i_mount, pos); + next_lblk = XFS_B_TO_FSB(ip->i_mount, pos + len); + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + xfs_ilock(ip, XFS_ILOCK_EXCL); + while (lblk < next_lblk) { + /* Already reserved? Skip the refcount btree access. */ + gotp = xfs_iext_bno_to_ext(ifp, lblk, &idx); + if (gotp) { + xfs_bmbt_get_all(gotp, &imap); + if (imap.br_startoff <= lblk && + imap.br_startoff + imap.br_blockcount > lblk) { + lblk = imap.br_startoff + imap.br_blockcount; + continue; + } + } + + /* Read extent from the source file. */ + nimaps = 1; + error = xfs_bmapi_read(ip, lblk, next_lblk - lblk, &imap, + &nimaps, 0); + if (error) + break; + + if (nimaps == 0) + break; + + /* Fork all the shared blocks in this extent. */ + error = xfs_reflink_reserve_cow_extent(ip, &imap); + if (error) + break; + + lblk += imap.br_blockcount; + } + xfs_iunlock(ip, XFS_ILOCK_EXCL); + + if (error) + trace_xfs_reflink_reserve_cow_range_error(ip, error, _RET_IP_); + return error; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 820b151..7b0a215 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -20,4 +20,7 @@ #ifndef __XFS_REFLINK_H #define __XFS_REFLINK_H 1 +extern int xfs_reflink_reserve_cow_range(struct xfs_inode *ip, xfs_off_t pos, + xfs_off_t len); + #endif /* __XFS_REFLINK_H */ From darrick.wong@oracle.com Thu Jun 16 20:26:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E717F7DDC for ; Thu, 16 Jun 2016 20:26:32 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 99D6A8F8050 for ; Thu, 16 Jun 2016 18:26:32 -0700 (PDT) X-ASG-Debug-ID: 1466126789-04bdf01e1095be0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id WcahryPvTNL2T7Q9 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:29 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1QROP010420 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:28 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QQ78012323 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:27 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QQmP025075; Fri, 17 Jun 2016 01:26:26 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:25 -0700 Subject: [PATCH 080/119] xfs: support allocating delayed extents in CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 080/119] xfs: support allocating delayed extents in CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:24 -0700 Message-ID: <146612678437.12839.13258189648049039325.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126789 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9621 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Modify xfs_bmap_add_extent_delay_real() so that we can convert delayed allocation extents in the CoW fork to real allocations, and wire this up all the way back to xfs_iomap_write_allocate(). In a subsequent patch, we'll modify the writepage handler to call this. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 51 ++++++++++++++++++++++++++++++++-------------- fs/xfs/xfs_aops.c | 6 ++++- fs/xfs/xfs_iomap.c | 7 +++++- fs/xfs/xfs_iomap.h | 2 +- 4 files changed, 46 insertions(+), 20 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 18b94e6..8b419b3 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -141,7 +141,8 @@ xfs_bmbt_lookup_ge( */ static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork) { - return XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS && + return whichfork != XFS_COW_FORK && + XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS && XFS_IFORK_NEXTENTS(ip, whichfork) > XFS_IFORK_MAXEXT(ip, whichfork); } @@ -151,7 +152,8 @@ static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork) */ static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork) { - return XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE && + return whichfork != XFS_COW_FORK && + XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE && XFS_IFORK_NEXTENTS(ip, whichfork) <= XFS_IFORK_MAXEXT(ip, whichfork); } @@ -641,6 +643,7 @@ xfs_bmap_btree_to_extents( mp = ip->i_mount; ifp = XFS_IFORK_PTR(ip, whichfork); + ASSERT(whichfork != XFS_COW_FORK); ASSERT(ifp->if_flags & XFS_IFEXTENTS); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE); rblock = ifp->if_broot; @@ -707,6 +710,7 @@ xfs_bmap_extents_to_btree( xfs_bmbt_ptr_t *pp; /* root block address pointer */ mp = ip->i_mount; + ASSERT(whichfork != XFS_COW_FORK); ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS); @@ -838,6 +842,7 @@ xfs_bmap_local_to_extents_empty( { struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); + ASSERT(whichfork != XFS_COW_FORK); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL); ASSERT(ifp->if_bytes == 0); ASSERT(XFS_IFORK_NEXTENTS(ip, whichfork) == 0); @@ -1671,7 +1676,8 @@ xfs_bmap_one_block( */ STATIC int /* error */ xfs_bmap_add_extent_delay_real( - struct xfs_bmalloca *bma) + struct xfs_bmalloca *bma, + int whichfork) { struct xfs_bmbt_irec *new = &bma->got; int diff; /* temp value */ @@ -1689,11 +1695,14 @@ xfs_bmap_add_extent_delay_real( xfs_filblks_t temp=0; /* value for da_new calculations */ xfs_filblks_t temp2=0;/* value for da_new calculations */ int tmp_rval; /* partial logging flags */ - int whichfork = XFS_DATA_FORK; struct xfs_mount *mp; + xfs_extnum_t *nextents; mp = bma->ip->i_mount; ifp = XFS_IFORK_PTR(bma->ip, whichfork); + ASSERT(whichfork != XFS_ATTR_FORK); + nextents = (whichfork == XFS_COW_FORK ? &bma->ip->i_cnextents : + &bma->ip->i_d.di_nextents); ASSERT(bma->idx >= 0); ASSERT(bma->idx <= ifp->if_bytes / sizeof(struct xfs_bmbt_rec)); @@ -1707,6 +1716,9 @@ xfs_bmap_add_extent_delay_real( #define RIGHT r[1] #define PREV r[2] + if (whichfork == XFS_COW_FORK) + state |= BMAP_COWFORK; + /* * Set up a bunch of variables to make the tests simpler. */ @@ -1793,7 +1805,7 @@ xfs_bmap_add_extent_delay_real( trace_xfs_bmap_post_update(bma->ip, bma->idx, state, _THIS_IP_); xfs_iext_remove(bma->ip, bma->idx + 1, 2, state); - bma->ip->i_d.di_nextents--; + (*nextents)--; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -1895,7 +1907,7 @@ xfs_bmap_add_extent_delay_real( xfs_bmbt_set_startblock(ep, new->br_startblock); trace_xfs_bmap_post_update(bma->ip, bma->idx, state, _THIS_IP_); - bma->ip->i_d.di_nextents++; + (*nextents)++; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -1965,7 +1977,7 @@ xfs_bmap_add_extent_delay_real( temp = PREV.br_blockcount - new->br_blockcount; xfs_bmbt_set_blockcount(ep, temp); xfs_iext_insert(bma->ip, bma->idx, 1, new, state); - bma->ip->i_d.di_nextents++; + (*nextents)++; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -2049,7 +2061,7 @@ xfs_bmap_add_extent_delay_real( trace_xfs_bmap_pre_update(bma->ip, bma->idx, state, _THIS_IP_); xfs_bmbt_set_blockcount(ep, temp); xfs_iext_insert(bma->ip, bma->idx + 1, 1, new, state); - bma->ip->i_d.di_nextents++; + (*nextents)++; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -2118,7 +2130,7 @@ xfs_bmap_add_extent_delay_real( RIGHT.br_blockcount = temp2; /* insert LEFT (r[0]) and RIGHT (r[1]) at the same time */ xfs_iext_insert(bma->ip, bma->idx + 1, 2, &LEFT, state); - bma->ip->i_d.di_nextents++; + (*nextents)++; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -2216,7 +2228,8 @@ xfs_bmap_add_extent_delay_real( xfs_bmap_check_leaf_extents(bma->cur, bma->ip, whichfork); done: - bma->logflags |= rval; + if (whichfork != XFS_COW_FORK) + bma->logflags |= rval; return error; #undef LEFT #undef RIGHT @@ -3856,7 +3869,8 @@ xfs_bmap_btalloc( ASSERT(nullfb || fb_agno == args.agno || (ap->dfops->dop_low && fb_agno < args.agno)); ap->length = args.len; - ap->ip->i_d.di_nblocks += args.len; + if (!(ap->flags & XFS_BMAPI_COWFORK)) + ap->ip->i_d.di_nblocks += args.len; xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); if (ap->wasdel) ap->ip->i_delayed_blks -= args.len; @@ -4330,8 +4344,7 @@ xfs_bmapi_allocate( struct xfs_bmalloca *bma) { struct xfs_mount *mp = bma->ip->i_mount; - int whichfork = (bma->flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + int whichfork = xfs_bmapi_whichfork(bma->flags); struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork); int tmp_logflags = 0; int error; @@ -4420,7 +4433,7 @@ xfs_bmapi_allocate( bma->got.br_state = XFS_EXT_UNWRITTEN; if (bma->wasdel) - error = xfs_bmap_add_extent_delay_real(bma); + error = xfs_bmap_add_extent_delay_real(bma, whichfork); else error = xfs_bmap_add_extent_hole_real(bma, whichfork); @@ -4574,8 +4587,7 @@ xfs_bmapi_write( orig_mval = mval; orig_nmap = *nmap; #endif - whichfork = (flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + whichfork = xfs_bmapi_whichfork(flags); ASSERT(*nmap >= 1); ASSERT(*nmap <= XFS_BMAP_MAX_NMAP); @@ -4586,6 +4598,11 @@ xfs_bmapi_write( ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); if (whichfork == XFS_ATTR_FORK) ASSERT(!(flags & XFS_BMAPI_REMAP)); + if (whichfork == XFS_COW_FORK) { + ASSERT(!(flags & XFS_BMAPI_REMAP)); + ASSERT(!(flags & XFS_BMAPI_PREALLOC)); + ASSERT(!(flags & XFS_BMAPI_CONVERT)); + } if (flags & XFS_BMAPI_REMAP) { ASSERT(!(flags & XFS_BMAPI_PREALLOC)); ASSERT(!(flags & XFS_BMAPI_CONVERT)); @@ -4655,6 +4672,8 @@ xfs_bmapi_write( */ if (flags & XFS_BMAPI_REMAP) ASSERT(inhole); + if (flags & XFS_BMAPI_COWFORK) + ASSERT(!inhole); /* * First, deal with the hole before the allocated space diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 66a2a9b..50c4bf11 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -337,9 +337,11 @@ xfs_map_blocks( if (type == XFS_IO_DELALLOC && (!nimaps || isnullstartblock(imap->br_startblock))) { - error = xfs_iomap_write_allocate(ip, offset, imap); + error = xfs_iomap_write_allocate(ip, XFS_DATA_FORK, offset, + imap); if (!error) - trace_xfs_map_blocks_alloc(ip, offset, count, type, imap); + trace_xfs_map_blocks_alloc(ip, offset, count, type, + imap); return error; } diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 82c4697..e7e1346 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -708,6 +708,7 @@ xfs_iomap_cow_delay( int xfs_iomap_write_allocate( xfs_inode_t *ip, + int whichfork, xfs_off_t offset, xfs_bmbt_irec_t *imap) { @@ -720,8 +721,12 @@ xfs_iomap_write_allocate( xfs_trans_t *tp; int nimaps; int error = 0; + int flags = 0; int nres; + if (whichfork == XFS_COW_FORK) + flags |= XFS_BMAPI_COWFORK; + /* * Make sure that the dquots are there. */ @@ -811,7 +816,7 @@ xfs_iomap_write_allocate( * pointer that the caller gave to us. */ error = xfs_bmapi_write(tp, ip, map_start_fsb, - count_fsb, 0, &first_block, + count_fsb, flags, &first_block, nres, imap, &nimaps, &dfops); if (error) diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h index f6a9adf..ba037d6 100644 --- a/fs/xfs/xfs_iomap.h +++ b/fs/xfs/xfs_iomap.h @@ -25,7 +25,7 @@ int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t, struct xfs_bmbt_irec *, int); int xfs_iomap_write_delay(struct xfs_inode *, xfs_off_t, size_t, struct xfs_bmbt_irec *); -int xfs_iomap_write_allocate(struct xfs_inode *, xfs_off_t, +int xfs_iomap_write_allocate(struct xfs_inode *, int, xfs_off_t, struct xfs_bmbt_irec *); int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t); int xfs_iomap_cow_delay(struct xfs_inode *, xfs_off_t, size_t, From darrick.wong@oracle.com Thu Jun 16 20:26:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F061D7E18 for ; Thu, 16 Jun 2016 20:26:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 65375AC002 for ; Thu, 16 Jun 2016 18:26:39 -0700 (PDT) X-ASG-Debug-ID: 1466126796-04cb6c542757a10001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 08vh6BcAuyC4dGaq (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:36 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1QX1U010459 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:34 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QXAh019075 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:33 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QWpG020607; Fri, 17 Jun 2016 01:26:32 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:32 -0700 Subject: [PATCH 081/119] xfs: allocate delayed extents in CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 081/119] xfs: allocate delayed extents in CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:30 -0700 Message-ID: <146612679068.12839.13248247674043879834.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126796 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7889 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Modify the writepage handler to find and convert pending delalloc extents to real allocations. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_aops.c | 57 ++++++++++++++++++++++++--- fs/xfs/xfs_aops.h | 4 +- fs/xfs/xfs_reflink.c | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 5 ++ 4 files changed, 164 insertions(+), 8 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 50c4bf11..802d432 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -312,10 +312,15 @@ xfs_map_blocks( int error = 0; int bmapi_flags = XFS_BMAPI_ENTIRE; int nimaps = 1; + int whichfork; + bool need_alloc; if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; + whichfork = (type == XFS_IO_COW ? XFS_COW_FORK : XFS_DATA_FORK); + need_alloc = (type == XFS_IO_DELALLOC); + if (type == XFS_IO_UNWRITTEN) bmapi_flags |= XFS_BMAPI_IGSTATE; @@ -328,16 +333,29 @@ xfs_map_blocks( count = mp->m_super->s_maxbytes - offset; end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count); offset_fsb = XFS_B_TO_FSBT(mp, offset); - error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, - imap, &nimaps, bmapi_flags); + + if (type == XFS_IO_COW) + error = xfs_reflink_find_cow_mapping(ip, offset, imap, + &need_alloc); + else { + error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, + imap, &nimaps, bmapi_flags); + /* + * Truncate an overwrite extent if there's a pending CoW + * reservation before the end of this extent. This forces us + * to come back to writepage to take care of the CoW. + */ + if (nimaps && type == XFS_IO_OVERWRITE) + xfs_reflink_trim_irec_to_next_cow(ip, offset_fsb, imap); + } xfs_iunlock(ip, XFS_ILOCK_SHARED); if (error) return error; - if (type == XFS_IO_DELALLOC && + if (need_alloc && (!nimaps || isnullstartblock(imap->br_startblock))) { - error = xfs_iomap_write_allocate(ip, XFS_DATA_FORK, offset, + error = xfs_iomap_write_allocate(ip, whichfork, offset, imap); if (!error) trace_xfs_map_blocks_alloc(ip, offset, count, type, @@ -625,7 +643,8 @@ xfs_check_page_type( if (type == XFS_IO_DELALLOC) return true; } else if (buffer_dirty(bh) && buffer_mapped(bh)) { - if (type == XFS_IO_OVERWRITE) + if (type == XFS_IO_OVERWRITE || + type == XFS_IO_COW) return true; } @@ -637,6 +656,26 @@ xfs_check_page_type( return false; } +/* + * Figure out if CoW is pending at this offset. + */ +static bool +xfs_is_cow_io( + struct xfs_inode *ip, + xfs_off_t offset) +{ + bool is_cow; + + if (!xfs_sb_version_hasreflink(&ip->i_mount->m_sb)) + return false; + + xfs_ilock(ip, XFS_ILOCK_SHARED); + is_cow = xfs_reflink_is_cow_pending(ip, offset); + xfs_iunlock(ip, XFS_ILOCK_SHARED); + + return is_cow; +} + STATIC void xfs_vm_invalidatepage( struct page *page, @@ -745,6 +784,7 @@ xfs_writepage_map( int error = 0; int count = 0; int uptodate = 1; + unsigned int new_type; bh = head = page_buffers(page); offset = page_offset(page); @@ -776,8 +816,11 @@ xfs_writepage_map( wpc->imap_valid = false; } } else if (buffer_uptodate(bh)) { - if (wpc->io_type != XFS_IO_OVERWRITE) { - wpc->io_type = XFS_IO_OVERWRITE; + new_type = xfs_is_cow_io(XFS_I(inode), offset) ? + XFS_IO_COW : XFS_IO_OVERWRITE; + + if (wpc->io_type != new_type) { + wpc->io_type = new_type; wpc->imap_valid = false; } } else { diff --git a/fs/xfs/xfs_aops.h b/fs/xfs/xfs_aops.h index 814aab7..ee64d57 100644 --- a/fs/xfs/xfs_aops.h +++ b/fs/xfs/xfs_aops.h @@ -28,13 +28,15 @@ enum { XFS_IO_DELALLOC, /* covers delalloc region */ XFS_IO_UNWRITTEN, /* covers allocated but uninitialized data */ XFS_IO_OVERWRITE, /* covers already allocated extent */ + XFS_IO_COW, /* covers copy-on-write extent */ }; #define XFS_IO_TYPES \ { XFS_IO_INVALID, "invalid" }, \ { XFS_IO_DELALLOC, "delalloc" }, \ { XFS_IO_UNWRITTEN, "unwritten" }, \ - { XFS_IO_OVERWRITE, "overwrite" } + { XFS_IO_OVERWRITE, "overwrite" }, \ + { XFS_IO_COW, "CoW" } /* * Structure for buffered I/O completions. diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 112d86b..f0a9e42 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -270,3 +270,109 @@ xfs_reflink_reserve_cow_range( trace_xfs_reflink_reserve_cow_range_error(ip, error, _RET_IP_); return error; } + +/* + * Determine if there's a CoW reservation at a byte offset of an inode. + */ +bool +xfs_reflink_is_cow_pending( + struct xfs_inode *ip, + xfs_off_t offset) +{ + struct xfs_ifork *ifp; + struct xfs_bmbt_rec_host *gotp; + struct xfs_bmbt_irec irec; + xfs_fileoff_t bno; + xfs_extnum_t idx; + + if (!xfs_is_reflink_inode(ip)) + return false; + + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + bno = XFS_B_TO_FSBT(ip->i_mount, offset); + gotp = xfs_iext_bno_to_ext(ifp, bno, &idx); + + if (!gotp) + return false; + + xfs_bmbt_get_all(gotp, &irec); + if (bno >= irec.br_startoff + irec.br_blockcount || + bno < irec.br_startoff) + return false; + return true; +} + +/* + * Find the CoW reservation (and whether or not it needs block allocation) + * for a given byte offset of a file. + */ +int +xfs_reflink_find_cow_mapping( + struct xfs_inode *ip, + xfs_off_t offset, + struct xfs_bmbt_irec *imap, + bool *need_alloc) +{ + struct xfs_bmbt_irec irec; + struct xfs_ifork *ifp; + struct xfs_bmbt_rec_host *gotp; + xfs_fileoff_t bno; + xfs_extnum_t idx; + + /* Find the extent in the CoW fork. */ + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + bno = XFS_B_TO_FSBT(ip->i_mount, offset); + gotp = xfs_iext_bno_to_ext(ifp, bno, &idx); + xfs_bmbt_get_all(gotp, &irec); + + trace_xfs_reflink_find_cow_mapping(ip, offset, 1, XFS_IO_OVERWRITE, + &irec); + + /* If it's still delalloc, we must allocate later. */ + *imap = irec; + *need_alloc = !!(isnullstartblock(irec.br_startblock)); + + return 0; +} + +/* + * Trim an extent to end at the next CoW reservation past offset_fsb. + */ +int +xfs_reflink_trim_irec_to_next_cow( + struct xfs_inode *ip, + xfs_fileoff_t offset_fsb, + struct xfs_bmbt_irec *imap) +{ + struct xfs_bmbt_irec irec; + struct xfs_ifork *ifp; + struct xfs_bmbt_rec_host *gotp; + xfs_extnum_t idx; + + if (!xfs_is_reflink_inode(ip)) + return 0; + + /* Find the extent in the CoW fork. */ + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + gotp = xfs_iext_bno_to_ext(ifp, offset_fsb, &idx); + if (!gotp) + return 0; + xfs_bmbt_get_all(gotp, &irec); + + /* This is the extent before; try sliding up one. */ + if (irec.br_startoff < offset_fsb) { + idx++; + if (idx >= ifp->if_bytes / sizeof(xfs_bmbt_rec_t)) + return 0; + gotp = xfs_iext_get_ext(ifp, idx); + xfs_bmbt_get_all(gotp, &irec); + } + + if (irec.br_startoff >= imap->br_startoff + imap->br_blockcount) + return 0; + + imap->br_blockcount = irec.br_startoff - imap->br_startoff; + trace_xfs_reflink_trim_irec(ip, imap); + + return 0; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 7b0a215..a2a23f5 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -22,5 +22,10 @@ extern int xfs_reflink_reserve_cow_range(struct xfs_inode *ip, xfs_off_t pos, xfs_off_t len); +extern bool xfs_reflink_is_cow_pending(struct xfs_inode *ip, xfs_off_t offset); +extern int xfs_reflink_find_cow_mapping(struct xfs_inode *ip, xfs_off_t offset, + struct xfs_bmbt_irec *imap, bool *need_alloc); +extern int xfs_reflink_trim_irec_to_next_cow(struct xfs_inode *ip, + xfs_fileoff_t offset_fsb, struct xfs_bmbt_irec *imap); #endif /* __XFS_REFLINK_H */ From darrick.wong@oracle.com Thu Jun 16 20:26:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9D3F47CB4 for ; Thu, 16 Jun 2016 20:26:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 606E2304039 for ; Thu, 16 Jun 2016 18:26:46 -0700 (PDT) X-ASG-Debug-ID: 1466126804-04cb6c542457a20001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ETOGYdt9mrpBDdkw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:44 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1QfbB029762 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:42 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QfZm019228 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:41 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Qcq4008506; Fri, 17 Jun 2016 01:26:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:38 -0700 Subject: [PATCH 082/119] xfs: support removing extents from CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 082/119] xfs: support removing extents from CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:37 -0700 Message-ID: <146612679701.12839.15113049094821910868.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126804 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7121 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a helper method to remove extents from the CoW fork without any of the side effects (rmapbt/bmbt updates) of the regular extent deletion routine. We'll eventually use this to clear out the CoW fork during ioend processing. v2: Use bmapi_read to iterate and trim the CoW extents instead of reading them raw via the iext code. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 176 ++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_bmap.h | 1 2 files changed, 177 insertions(+) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 8b419b3..2ba513b 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -4981,6 +4981,7 @@ xfs_bmap_del_extent( /* * Matches the whole extent. Delete the entry. */ + trace_xfs_bmap_pre_update(ip, *idx, state, _THIS_IP_); xfs_iext_remove(ip, *idx, 1, whichfork == XFS_ATTR_FORK ? BMAP_ATTRFORK : 0); --*idx; @@ -5198,6 +5199,181 @@ done: } /* + * xfs_bunmapi_cow() -- Remove the relevant parts of the CoW fork. + * See xfs_bmap_del_extent. + * @ip: XFS inode. + * @idx: Extent number to delete. + * @del: Extent to remove. + */ +int +xfs_bunmapi_cow( + xfs_inode_t *ip, + xfs_bmbt_irec_t *del) +{ + xfs_filblks_t da_new; /* new delay-alloc indirect blocks */ + xfs_filblks_t da_old; /* old delay-alloc indirect blocks */ + xfs_fsblock_t del_endblock = 0;/* first block past del */ + xfs_fileoff_t del_endoff; /* first offset past del */ + int delay; /* current block is delayed allocated */ + xfs_bmbt_rec_host_t *ep; /* current extent entry pointer */ + int error; /* error return value */ + xfs_bmbt_irec_t got; /* current extent entry */ + xfs_fileoff_t got_endoff; /* first offset past got */ + xfs_ifork_t *ifp; /* inode fork pointer */ + xfs_mount_t *mp; /* mount structure */ + xfs_filblks_t nblks; /* quota/sb block count */ + xfs_bmbt_irec_t new; /* new record to be inserted */ + /* REFERENCED */ + uint qfield; /* quota field to update */ + xfs_filblks_t temp; /* for indirect length calculations */ + xfs_filblks_t temp2; /* for indirect length calculations */ + int state = BMAP_COWFORK; + int eof; + xfs_extnum_t eidx; + + mp = ip->i_mount; + XFS_STATS_INC(mp, xs_del_exlist); + + ep = xfs_bmap_search_extents(ip, del->br_startoff, XFS_COW_FORK, &eof, + &eidx, &got, &new); + + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + ASSERT((eidx >= 0) && (eidx < ifp->if_bytes / + (uint)sizeof(xfs_bmbt_rec_t))); + ASSERT(del->br_blockcount > 0); + ASSERT(got.br_startoff <= del->br_startoff); + del_endoff = del->br_startoff + del->br_blockcount; + got_endoff = got.br_startoff + got.br_blockcount; + ASSERT(got_endoff >= del_endoff); + delay = isnullstartblock(got.br_startblock); + ASSERT(isnullstartblock(del->br_startblock) == delay); + qfield = 0; + error = 0; + /* + * If deleting a real allocation, must free up the disk space. + */ + if (!delay) { + nblks = del->br_blockcount; + qfield = XFS_TRANS_DQ_BCOUNT; + /* + * Set up del_endblock and cur for later. + */ + del_endblock = del->br_startblock + del->br_blockcount; + da_old = da_new = 0; + } else { + da_old = startblockval(got.br_startblock); + da_new = 0; + nblks = 0; + } + qfield = qfield; + nblks = nblks; + + /* + * Set flag value to use in switch statement. + * Left-contig is 2, right-contig is 1. + */ + switch (((got.br_startoff == del->br_startoff) << 1) | + (got_endoff == del_endoff)) { + case 3: + /* + * Matches the whole extent. Delete the entry. + */ + xfs_iext_remove(ip, eidx, 1, BMAP_COWFORK); + --eidx; + break; + + case 2: + /* + * Deleting the first part of the extent. + */ + trace_xfs_bmap_pre_update(ip, eidx, state, _THIS_IP_); + xfs_bmbt_set_startoff(ep, del_endoff); + temp = got.br_blockcount - del->br_blockcount; + xfs_bmbt_set_blockcount(ep, temp); + if (delay) { + temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), + da_old); + xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + da_new = temp; + break; + } + xfs_bmbt_set_startblock(ep, del_endblock); + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + break; + + case 1: + /* + * Deleting the last part of the extent. + */ + temp = got.br_blockcount - del->br_blockcount; + trace_xfs_bmap_pre_update(ip, eidx, state, _THIS_IP_); + xfs_bmbt_set_blockcount(ep, temp); + if (delay) { + temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), + da_old); + xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + da_new = temp; + break; + } + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + break; + + case 0: + /* + * Deleting the middle of the extent. + */ + temp = del->br_startoff - got.br_startoff; + trace_xfs_bmap_pre_update(ip, eidx, state, _THIS_IP_); + xfs_bmbt_set_blockcount(ep, temp); + new.br_startoff = del_endoff; + temp2 = got_endoff - del_endoff; + new.br_blockcount = temp2; + new.br_state = got.br_state; + if (!delay) { + new.br_startblock = del_endblock; + } else { + temp = xfs_bmap_worst_indlen(ip, temp); + xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); + temp2 = xfs_bmap_worst_indlen(ip, temp2); + new.br_startblock = nullstartblock((int)temp2); + da_new = temp + temp2; + while (da_new > da_old) { + if (temp) { + temp--; + da_new--; + xfs_bmbt_set_startblock(ep, + nullstartblock((int)temp)); + } + if (da_new == da_old) + break; + if (temp2) { + temp2--; + da_new--; + new.br_startblock = + nullstartblock((int)temp2); + } + } + } + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + xfs_iext_insert(ip, eidx + 1, 1, &new, state); + ++eidx; + break; + } + + /* + * Account for change in delayed indirect blocks. + * Nothing to do for disk quota accounting here. + */ + ASSERT(da_old >= da_new); + if (da_old > da_new) + xfs_mod_fdblocks(mp, (int64_t)(da_old - da_new), false); + + return error; +} + +/* * Unmap (remove) blocks from a file. * If nexts is nonzero then the number of extents to remove is limited to * that value. If not all extents in the block range can be removed then diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index d90f88e..1c7ab70 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -221,6 +221,7 @@ int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, struct xfs_defer_ops *dfops, int *done); +int xfs_bunmapi_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *del); int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, xfs_extnum_t num); uint xfs_default_attroffset(struct xfs_inode *ip); From darrick.wong@oracle.com Thu Jun 16 20:26:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BC66C7DF6 for ; Thu, 16 Jun 2016 20:26:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 454F3AC002 for ; Thu, 16 Jun 2016 18:26:55 -0700 (PDT) X-ASG-Debug-ID: 1466126812-04cbb01fee698f0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id aINCv6em0wgT46WS (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Qm0i029846 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:48 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QmWf023874 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:48 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QkXE008514; Fri, 17 Jun 2016 01:26:47 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:45 -0700 Subject: [PATCH 083/119] xfs: move mappings from cow fork to data fork after copy-write From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 083/119] xfs: move mappings from cow fork to data fork after copy-write To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:43 -0700 Message-ID: <146612680331.12839.3985620410576071705.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126812 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10574 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines After the write component of a copy-write operation finishes, clean up the bookkeeping left behind. On error, we simply free the new blocks and pass the error up. If we succeed, however, then we must remove the old data fork mapping and move the cow fork mapping to the data fork. v2: If CoW fails, we need to remove the CoW fork mapping and free the blocks. Furthermore, if xfs_cancel_ioend happens, we also need to clean out all the CoW record keeping. v3: When we're removing CoW extents, only free one extent per transaction to avoid running out of reservation. Also, xfs_cancel_ioend mustn't clean out the CoW fork because it is called when async writeback can't get an inode lock and will try again. v4: Use bmapi_read to iterate the CoW fork instead of calling the iext functions directly, and make the CoW remapping atomic by using the deferred ops mechanism which takes care of logging redo items for us. Signed-off-by: Darrick J. Wong [hch: Call the CoW failure function during xfs_cancel_ioend] Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_aops.c | 22 ++++ fs/xfs/xfs_reflink.c | 250 ++++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 8 ++ 3 files changed, 278 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 802d432..232039c 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -262,6 +262,23 @@ xfs_end_io( error = -EIO; /* + * For a CoW extent, we need to move the mapping from the CoW fork + * to the data fork. If instead an error happened, just dump the + * new blocks. + */ + if (ioend->io_type == XFS_IO_COW) { + if (ioend->io_bio->bi_error) { + error = xfs_reflink_cancel_cow_range(ip, + ioend->io_offset, ioend->io_size); + goto done; + } + error = xfs_reflink_end_cow(ip, ioend->io_offset, + ioend->io_size); + if (error) + goto done; + } + + /* * For unwritten extents we need to issue transactions to convert a * range to normal written extens after the data I/O has finished. * Detecting and handling completion IO errors is done individually @@ -276,7 +293,8 @@ xfs_end_io( } else if (ioend->io_append_trans) { error = xfs_setfilesize_ioend(ioend, error); } else { - ASSERT(!xfs_ioend_is_append(ioend)); + ASSERT(!xfs_ioend_is_append(ioend) || + ioend->io_type == XFS_IO_COW); } done: @@ -290,7 +308,7 @@ xfs_end_bio( struct xfs_ioend *ioend = bio->bi_private; struct xfs_mount *mp = XFS_I(ioend->io_inode)->i_mount; - if (ioend->io_type == XFS_IO_UNWRITTEN) + if (ioend->io_type == XFS_IO_UNWRITTEN || ioend->io_type == XFS_IO_COW) queue_work(mp->m_unwritten_workqueue, &ioend->io_work); else if (ioend->io_append_trans) queue_work(mp->m_data_workqueue, &ioend->io_work); diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index f0a9e42..59c8e86 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -52,6 +52,7 @@ #include "xfs_bmap_btree.h" #include "xfs_reflink.h" #include "xfs_iomap.h" +#include "xfs_rmap_btree.h" /* * Copy on Write of Shared Blocks @@ -376,3 +377,252 @@ xfs_reflink_trim_irec_to_next_cow( return 0; } + +/* + * Cancel all pending CoW reservations for some block range of an inode. + */ +int +xfs_reflink_cancel_cow_blocks( + struct xfs_inode *ip, + struct xfs_trans **tpp, + xfs_fileoff_t offset_fsb, + xfs_fileoff_t end_fsb) +{ + struct xfs_bmbt_irec irec; + struct xfs_ifork *ifp; + xfs_filblks_t count_fsb; + xfs_fsblock_t firstfsb; + struct xfs_defer_ops dfops; + int error = 0; + int nimaps; + + if (!xfs_is_reflink_inode(ip)) + return 0; + + /* Go find the old extent in the CoW fork. */ + count_fsb = (xfs_filblks_t)(end_fsb - offset_fsb); + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + while (count_fsb) { + nimaps = 1; + error = xfs_bmapi_read(ip, offset_fsb, count_fsb, &irec, + &nimaps, XFS_BMAPI_COWFORK); + if (error) + break; + ASSERT(nimaps == 1); + + xfs_trim_extent(&irec, offset_fsb, count_fsb); + trace_xfs_reflink_cancel_cow(ip, &irec); + + if (irec.br_startblock == DELAYSTARTBLOCK) { + /* Free a delayed allocation. */ + xfs_mod_fdblocks(ip->i_mount, irec.br_blockcount, + false); + ip->i_delayed_blks -= irec.br_blockcount; + + /* Remove the mapping from the CoW fork. */ + error = xfs_bunmapi_cow(ip, &irec); + if (error) + break; + } else if (irec.br_startblock == HOLESTARTBLOCK) { + /* empty */ + } else { + xfs_trans_ijoin(*tpp, ip, 0); + xfs_defer_init(&dfops, &firstfsb); + + xfs_bmap_add_free(ip->i_mount, &dfops, + irec.br_startblock, irec.br_blockcount, + NULL); + + /* Update quota accounting */ + xfs_trans_mod_dquot_byino(*tpp, ip, XFS_TRANS_DQ_BCOUNT, + -(long)irec.br_blockcount); + + /* Roll the transaction */ + error = xfs_defer_finish(tpp, &dfops, ip); + if (error) { + xfs_defer_cancel(&dfops); + break; + } + + /* Remove the mapping from the CoW fork. */ + error = xfs_bunmapi_cow(ip, &irec); + if (error) + break; + } + + /* Roll on... */ + count_fsb -= irec.br_startoff + irec.br_blockcount - offset_fsb; + offset_fsb = irec.br_startoff + irec.br_blockcount; + } + + return error; +} + +/* + * Cancel all pending CoW reservations for some byte range of an inode. + */ +int +xfs_reflink_cancel_cow_range( + struct xfs_inode *ip, + xfs_off_t offset, + xfs_off_t count) +{ + struct xfs_trans *tp; + xfs_fileoff_t offset_fsb; + xfs_fileoff_t end_fsb; + int error; + + trace_xfs_reflink_cancel_cow_range(ip, offset, count); + + offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset); + if (count == NULLFILEOFF) + end_fsb = NULLFILEOFF; + else + end_fsb = XFS_B_TO_FSB(ip->i_mount, offset + count); + + /* Start a rolling transaction to remove the mappings */ + error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write, + 0, 0, 0, &tp); + if (error) + goto out; + + xfs_ilock(ip, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, ip, 0); + + /* Scrape out the old CoW reservations */ + error = xfs_reflink_cancel_cow_blocks(ip, &tp, offset_fsb, end_fsb); + if (error) + goto out_defer; + + error = xfs_trans_commit(tp); + if (error) + goto out; + + xfs_iunlock(ip, XFS_ILOCK_EXCL); + return 0; + +out_defer: + xfs_trans_cancel(tp); + xfs_iunlock(ip, XFS_ILOCK_EXCL); +out: + trace_xfs_reflink_cancel_cow_range_error(ip, error, _RET_IP_); + return error; +} + +/* + * Remap parts of a file's data fork after a successful CoW. + */ +int +xfs_reflink_end_cow( + struct xfs_inode *ip, + xfs_off_t offset, + xfs_off_t count) +{ + struct xfs_bmbt_irec irec; + struct xfs_bmbt_irec uirec; + struct xfs_trans *tp; + struct xfs_ifork *ifp; + xfs_fileoff_t offset_fsb; + xfs_fileoff_t end_fsb; + xfs_filblks_t count_fsb; + xfs_fsblock_t firstfsb; + struct xfs_defer_ops dfops; + int done; + int error; + unsigned int resblks; + xfs_filblks_t ilen; + xfs_filblks_t rlen; + int nimaps; + + trace_xfs_reflink_end_cow(ip, offset, count); + + offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset); + end_fsb = XFS_B_TO_FSB(ip->i_mount, offset + count); + count_fsb = (xfs_filblks_t)(end_fsb - offset_fsb); + + /* Start a rolling transaction to switch the mappings */ + resblks = XFS_EXTENTADD_SPACE_RES(ip->i_mount, XFS_DATA_FORK); + error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write, + resblks, 0, 0, &tp); + if (error) + goto out; + + xfs_ilock(ip, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, ip, 0); + + /* Go find the old extent in the CoW fork. */ + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + while (count_fsb) { + /* Read extent from the source file */ + nimaps = 1; + error = xfs_bmapi_read(ip, offset_fsb, count_fsb, &irec, + &nimaps, XFS_BMAPI_COWFORK); + if (error) + goto out_cancel; + ASSERT(nimaps == 1); + + ASSERT(irec.br_startblock != DELAYSTARTBLOCK); + xfs_trim_extent(&irec, offset_fsb, count_fsb); + trace_xfs_reflink_cow_remap(ip, &irec); + + /* + * We can have a hole in the CoW fork if part of a directio + * write is CoW but part of it isn't. + */ + rlen = ilen = irec.br_blockcount; + if (irec.br_startblock == HOLESTARTBLOCK) + goto next_extent; + + /* Unmap the old blocks in the data fork. */ + done = false; + while (rlen) { + xfs_defer_init(&dfops, &firstfsb); + error = __xfs_bunmapi(tp, ip, irec.br_startoff, + &rlen, 0, 1, &firstfsb, &dfops); + if (error) + goto out_defer; + + /* Trim the extent to whatever got unmapped. */ + uirec = irec; + xfs_trim_extent(&uirec, irec.br_startoff + rlen, + irec.br_blockcount - rlen); + irec.br_blockcount = rlen; + trace_xfs_reflink_cow_remap_piece(ip, &uirec); + + /* Map the new blocks into the data fork. */ + error = xfs_bmap_map_extent(tp->t_mountp, &dfops, + ip, XFS_DATA_FORK, &uirec); + if (error) + goto out_defer; + + /* Remove the mapping from the CoW fork. */ + error = xfs_bunmapi_cow(ip, &uirec); + if (error) + goto out_defer; + + error = xfs_defer_finish(&tp, &dfops, ip); + if (error) + goto out_defer; + } + +next_extent: + /* Roll on... */ + count_fsb -= irec.br_startoff + ilen - offset_fsb; + offset_fsb = irec.br_startoff + ilen; + } + + error = xfs_trans_commit(tp); + xfs_iunlock(ip, XFS_ILOCK_EXCL); + if (error) + goto out; + return 0; + +out_defer: + xfs_defer_cancel(&dfops); +out_cancel: + xfs_trans_cancel(tp); + xfs_iunlock(ip, XFS_ILOCK_EXCL); +out: + trace_xfs_reflink_end_cow_error(ip, error, _RET_IP_); + return error; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index a2a23f5..27ae6c0 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -28,4 +28,12 @@ extern int xfs_reflink_find_cow_mapping(struct xfs_inode *ip, xfs_off_t offset, extern int xfs_reflink_trim_irec_to_next_cow(struct xfs_inode *ip, xfs_fileoff_t offset_fsb, struct xfs_bmbt_irec *imap); +extern int xfs_reflink_cancel_cow_blocks(struct xfs_inode *ip, + struct xfs_trans **tpp, xfs_fileoff_t offset_fsb, + xfs_fileoff_t end_fsb); +extern int xfs_reflink_cancel_cow_range(struct xfs_inode *ip, xfs_off_t offset, + xfs_off_t count); +extern int xfs_reflink_end_cow(struct xfs_inode *ip, xfs_off_t offset, + xfs_off_t count); + #endif /* __XFS_REFLINK_H */ From darrick.wong@oracle.com Thu Jun 16 20:26:58 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 98C047E23 for ; Thu, 16 Jun 2016 20:26:58 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5C7EC304039 for ; Thu, 16 Jun 2016 18:26:58 -0700 (PDT) X-ASG-Debug-ID: 1466126815-04cbb01fef69900001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id N5z9I6S1nBUX0qtR (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:26:55 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1QrlW010631 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:53 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Qrwq019387 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:26:53 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QqW0025172; Fri, 17 Jun 2016 01:26:52 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:52 -0700 Subject: [PATCH 084/119] xfs: implement CoW for directio writes From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 084/119] xfs: implement CoW for directio writes To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:50 -0700 Message-ID: <146612681049.12839.2763550972204033113.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126815 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11699 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines For O_DIRECT writes to shared blocks, we have to CoW them just like we would with buffered writes. For writes that are not block-aligned, just bounce them to the page cache. For block-aligned writes, however, we can do better than that. Use the same mechanisms that we employ for buffered CoW to set up a delalloc reservation, allocate all the blocks at once, issue the writes against the new blocks and use the same ioend functions to remap the blocks after the write. This should be fairly performant. v2: Turns out that there's no way for xfs_end_io_direct_write to know if the write completed successfully. Therefore, do /not/ use the ioend for dio cow post-processing; instead, move it to xfs_vm_do_dio where we *can* tell if the write succeeded or not. v3: Update the file size if we do a directio CoW across EOF. This can happen if the last block is shared, the cowextsize hint is set, and we do a dio write past the end of the file. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_aops.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++--- fs/xfs/xfs_file.c | 12 ++++- fs/xfs/xfs_reflink.c | 105 +++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 5 ++ 4 files changed, 225 insertions(+), 9 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 232039c..31318b3 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -40,6 +40,7 @@ /* flags for direct write completions */ #define XFS_DIO_FLAG_UNWRITTEN (1 << 0) #define XFS_DIO_FLAG_APPEND (1 << 1) +#define XFS_DIO_FLAG_COW (1 << 2) /* * structure owned by writepages passed to individual writepage calls @@ -1130,18 +1131,24 @@ xfs_map_direct( struct inode *inode, struct buffer_head *bh_result, struct xfs_bmbt_irec *imap, - xfs_off_t offset) + xfs_off_t offset, + bool is_cow) { uintptr_t *flags = (uintptr_t *)&bh_result->b_private; xfs_off_t size = bh_result->b_size; trace_xfs_get_blocks_map_direct(XFS_I(inode), offset, size, - ISUNWRITTEN(imap) ? XFS_IO_UNWRITTEN : XFS_IO_OVERWRITE, imap); + ISUNWRITTEN(imap) ? XFS_IO_UNWRITTEN : is_cow ? XFS_IO_COW : + XFS_IO_OVERWRITE, imap); if (ISUNWRITTEN(imap)) { *flags |= XFS_DIO_FLAG_UNWRITTEN; set_buffer_defer_completion(bh_result); - } else if (offset + size > i_size_read(inode) || offset + size < 0) { + } else if (is_cow) { + *flags |= XFS_DIO_FLAG_COW; + set_buffer_defer_completion(bh_result); + } + if (offset + size > i_size_read(inode) || offset + size < 0) { *flags |= XFS_DIO_FLAG_APPEND; set_buffer_defer_completion(bh_result); } @@ -1187,6 +1194,43 @@ xfs_map_trim_size( bh_result->b_size = mapping_size; } +/* Bounce unaligned directio writes to the page cache. */ +static int +xfs_bounce_unaligned_dio_write( + struct xfs_inode *ip, + xfs_fileoff_t offset_fsb, + struct xfs_bmbt_irec *imap) +{ + bool shared; + struct xfs_bmbt_irec irec; + xfs_fileoff_t delta; + int error; + + irec = *imap; + if (offset_fsb > irec.br_startoff) { + delta = offset_fsb - irec.br_startoff; + irec.br_blockcount -= delta; + irec.br_startblock += delta; + irec.br_startoff = offset_fsb; + } + error = xfs_reflink_irec_is_shared(ip, &irec, &shared); + if (error) + return error; + /* + * Are we doing a DIO write to a shared block? In + * the ideal world we at least would fork full blocks, + * but for now just fall back to buffered mode. Yuck. + * Use -EREMCHG ("remote address changed") to signal + * this, since in general XFS doesn't do this sort of + * fallback. + */ + if (shared) { + trace_xfs_reflink_bounce_dio_write(ip, imap); + return -EREMCHG; + } + return 0; +} + STATIC int __xfs_get_blocks( struct inode *inode, @@ -1206,6 +1250,8 @@ __xfs_get_blocks( xfs_off_t offset; ssize_t size; int new = 0; + bool is_cow = false; + bool need_alloc = false; if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; @@ -1237,8 +1283,27 @@ __xfs_get_blocks( end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + size); offset_fsb = XFS_B_TO_FSBT(mp, offset); - error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, - &imap, &nimaps, XFS_BMAPI_ENTIRE); + if (create && direct) + is_cow = xfs_reflink_is_cow_pending(ip, offset); + if (is_cow) + error = xfs_reflink_find_cow_mapping(ip, offset, &imap, + &need_alloc); + else { + error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, + &imap, &nimaps, XFS_BMAPI_ENTIRE); + /* + * Truncate an overwrite extent if there's a pending CoW + * reservation before the end of this extent. This forces us + * to come back to writepage to take care of the CoW. + */ + if (create && direct && nimaps && + imap.br_startblock != HOLESTARTBLOCK && + imap.br_startblock != DELAYSTARTBLOCK && + !ISUNWRITTEN(&imap)) + xfs_reflink_trim_irec_to_next_cow(ip, offset_fsb, + &imap); + } + ASSERT(!need_alloc); if (error) goto out_unlock; @@ -1310,6 +1375,13 @@ __xfs_get_blocks( if (imap.br_startblock != HOLESTARTBLOCK && imap.br_startblock != DELAYSTARTBLOCK && (create || !ISUNWRITTEN(&imap))) { + if (create && direct && !is_cow) { + error = xfs_bounce_unaligned_dio_write(ip, offset_fsb, + &imap); + if (error) + return error; + } + xfs_map_buffer(inode, bh_result, &imap, offset); if (ISUNWRITTEN(&imap)) set_buffer_unwritten(bh_result); @@ -1318,7 +1390,8 @@ __xfs_get_blocks( if (dax_fault) ASSERT(!ISUNWRITTEN(&imap)); else - xfs_map_direct(inode, bh_result, &imap, offset); + xfs_map_direct(inode, bh_result, &imap, offset, + is_cow); } } @@ -1452,7 +1525,11 @@ xfs_end_io_direct_write( trace_xfs_end_io_direct_write_unwritten(ip, offset, size); error = xfs_iomap_write_unwritten(ip, offset, size); - } else if (flags & XFS_DIO_FLAG_APPEND) { + } + if (flags & XFS_DIO_FLAG_COW) { + error = xfs_reflink_end_cow(ip, offset, size); + } + if (flags & XFS_DIO_FLAG_APPEND) { struct xfs_trans *tp; trace_xfs_end_io_direct_write_append(ip, offset, size); @@ -1475,6 +1552,27 @@ xfs_vm_direct_IO( dio_iodone_t *endio = NULL; int flags = 0; struct block_device *bdev; + loff_t end; + loff_t block_mask; + bool dio_cow = false; + int error; + + /* If this is a block-aligned directio CoW, remap immediately. */ + end = iocb->ki_pos + iov_iter_count(iter); + block_mask = (1 << inode->i_blkbits) - 1; + if (iov_iter_rw(iter) == WRITE && + xfs_is_reflink_inode(XFS_I(inode)) && + !((iocb->ki_pos | end) & block_mask)) { + dio_cow = true; + error = xfs_reflink_reserve_cow_range(XFS_I(inode), + iocb->ki_pos, iov_iter_count(iter)); + if (error) + return error; + error = xfs_reflink_allocate_cow_range(XFS_I(inode), + iocb->ki_pos, iov_iter_count(iter)); + if (error) + return error; + } if (iov_iter_rw(iter) == WRITE) { endio = xfs_end_io_direct_write; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 148d0b3..b979f01 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -896,10 +896,18 @@ xfs_file_write_iter( if (XFS_FORCED_SHUTDOWN(ip->i_mount)) return -EIO; - if ((iocb->ki_flags & IOCB_DIRECT) || IS_DAX(inode)) + /* + * Allow DIO to fall back to buffered *only* in the case that we're + * doing a reflink CoW. + */ + if ((iocb->ki_flags & IOCB_DIRECT) || IS_DAX(inode)) { ret = xfs_file_dio_aio_write(iocb, from); - else + if (ret == -EREMCHG) + goto buffered; + } else { +buffered: ret = xfs_file_buffered_aio_write(iocb, from); + } if (ret > 0) { XFS_STATS_ADD(ip->i_mount, xs_write_bytes, ret); diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 59c8e86..113f333 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -146,6 +146,51 @@ xfs_trim_extent( } } +/* + * Determine if any of the blocks in this mapping are shared. + */ +int +xfs_reflink_irec_is_shared( + struct xfs_inode *ip, + struct xfs_bmbt_irec *irec, + bool *shared) +{ + xfs_agnumber_t agno; + xfs_agblock_t agbno; + xfs_extlen_t aglen; + xfs_agblock_t fbno; + xfs_extlen_t flen; + int error = 0; + + /* Holes, unwritten, and delalloc extents cannot be shared */ + if (!xfs_is_reflink_inode(ip) || + ISUNWRITTEN(irec) || + irec->br_startblock == HOLESTARTBLOCK || + irec->br_startblock == DELAYSTARTBLOCK) { + *shared = false; + return 0; + } + + trace_xfs_reflink_irec_is_shared(ip, irec); + + agno = XFS_FSB_TO_AGNO(ip->i_mount, irec->br_startblock); + agbno = XFS_FSB_TO_AGBNO(ip->i_mount, irec->br_startblock); + aglen = irec->br_blockcount; + + /* Are there any shared blocks here? */ + error = xfs_refcount_find_shared(ip->i_mount, agno, agbno, + aglen, &fbno, &flen, false); + if (error) + return error; + if (flen == 0) { + *shared = false; + return 0; + } + + *shared = true; + return 0; +} + /* Find the shared ranges under an irec, and set up delalloc extents. */ static int xfs_reflink_reserve_cow_extent( @@ -273,6 +318,66 @@ xfs_reflink_reserve_cow_range( } /* + * Allocate blocks to all CoW reservations within a byte range of a file. + */ +int +xfs_reflink_allocate_cow_range( + struct xfs_inode *ip, + xfs_off_t pos, + xfs_off_t len) +{ + struct xfs_ifork *ifp; + struct xfs_bmbt_rec_host *gotp; + struct xfs_bmbt_irec imap; + int error = 0; + xfs_fileoff_t start_lblk; + xfs_fileoff_t end_lblk; + xfs_extnum_t idx; + + if (!xfs_is_reflink_inode(ip)) + return 0; + + trace_xfs_reflink_allocate_cow_range(ip, len, pos, 0); + + start_lblk = XFS_B_TO_FSBT(ip->i_mount, pos); + end_lblk = XFS_B_TO_FSB(ip->i_mount, pos + len); + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + xfs_ilock(ip, XFS_ILOCK_EXCL); + + gotp = xfs_iext_bno_to_ext(ifp, start_lblk, &idx); + while (gotp) { + xfs_bmbt_get_all(gotp, &imap); + + if (imap.br_startoff >= end_lblk) + break; + if (!isnullstartblock(imap.br_startblock)) + goto advloop; + xfs_trim_extent(&imap, start_lblk, end_lblk - start_lblk); + trace_xfs_reflink_allocate_cow_extent(ip, &imap); + + xfs_iunlock(ip, XFS_ILOCK_EXCL); + error = xfs_iomap_write_allocate(ip, XFS_COW_FORK, + XFS_FSB_TO_B(ip->i_mount, imap.br_startoff + + imap.br_blockcount - 1), &imap); + xfs_ilock(ip, XFS_ILOCK_EXCL); + if (error) + break; +advloop: + /* Roll on... */ + idx++; + if (idx >= ifp->if_bytes / sizeof(xfs_bmbt_rec_t)) + break; + gotp = xfs_iext_get_ext(ifp, idx); + } + + xfs_iunlock(ip, XFS_ILOCK_EXCL); + + if (error) + trace_xfs_reflink_allocate_cow_range_error(ip, error, _RET_IP_); + return error; +} + +/* * Determine if there's a CoW reservation at a byte offset of an inode. */ bool diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 27ae6c0..fb128dd 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -20,8 +20,13 @@ #ifndef __XFS_REFLINK_H #define __XFS_REFLINK_H 1 +extern int xfs_reflink_irec_is_shared(struct xfs_inode *ip, + struct xfs_bmbt_irec *imap, bool *shared); + extern int xfs_reflink_reserve_cow_range(struct xfs_inode *ip, xfs_off_t pos, xfs_off_t len); +extern int xfs_reflink_allocate_cow_range(struct xfs_inode *ip, xfs_off_t pos, + xfs_off_t len); extern bool xfs_reflink_is_cow_pending(struct xfs_inode *ip, xfs_off_t offset); extern int xfs_reflink_find_cow_mapping(struct xfs_inode *ip, xfs_off_t offset, struct xfs_bmbt_irec *imap, bool *need_alloc); From darrick.wong@oracle.com Thu Jun 16 20:27:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D900E7E23 for ; Thu, 16 Jun 2016 20:27:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 975F8304048 for ; Thu, 16 Jun 2016 18:27:07 -0700 (PDT) X-ASG-Debug-ID: 1466126825-04bdf01e1795c20001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ejw0LLDXK1sCjLZm (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:05 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1R1pw030010 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:27:02 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1R1ZR018218 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:01 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1QwZb008541; Fri, 17 Jun 2016 01:26:59 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:26:58 -0700 Subject: [PATCH 085/119] xfs: copy-on-write reflinked blocks when zeroing ranges of blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 085/119] xfs: copy-on-write reflinked blocks when zeroing ranges of blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:26:56 -0700 Message-ID: <146612681688.12839.10527590239958274522.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126825 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4174 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we're writing zeroes to a reflinked block (such as when we're punching a reflinked range), we need to fork the the block and write to that, otherwise we can corrupt the other reflinks. v2: Only call the end_cow functions if we had set should_fork, and release the buffer if xfs_map_cow_blocks fails. Signed-off-by: Darrick J. Wong [hch@lst.de: Only call the end_cow functions if we had set should_fork] Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_aops.c | 12 ++++++++++++ fs/xfs/xfs_bmap_util.c | 38 ++++++++++++++++++++++++++++++++++++-- fs/xfs/xfs_reflink.h | 4 ++++ 3 files changed, 52 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 31318b3..812bae5 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -394,6 +394,18 @@ xfs_map_blocks( return 0; } +/* + * Find a CoW mapping and ensure that blocks have been allocated to it. + */ +int +xfs_map_cow_blocks( + struct inode *inode, + xfs_off_t offset, + struct xfs_bmbt_irec *imap) +{ + return xfs_map_blocks(inode, offset, imap, XFS_IO_COW); +} + STATIC bool xfs_imap_valid( struct inode *inode, diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 8666873..79225fb 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -42,6 +42,8 @@ #include "xfs_icache.h" #include "xfs_log.h" #include "xfs_rmap_btree.h" +#include "xfs_iomap.h" +#include "xfs_reflink.h" /* Kernel only BMAP related definitions and functions */ @@ -1042,7 +1044,8 @@ xfs_zero_remaining_bytes( xfs_buf_t *bp; xfs_mount_t *mp = ip->i_mount; int nimap; - int error = 0; + int error = 0, err2; + bool should_fork = false; /* * Avoid doing I/O beyond eof - it's not necessary @@ -1055,6 +1058,11 @@ xfs_zero_remaining_bytes( if (endoff > XFS_ISIZE(ip)) endoff = XFS_ISIZE(ip); + error = xfs_reflink_reserve_cow_range(ip, startoff, + endoff - startoff + 1); + if (error) + return error; + for (offset = startoff; offset <= endoff; offset = lastoffset + 1) { uint lock_mode; @@ -1063,6 +1071,10 @@ xfs_zero_remaining_bytes( lock_mode = xfs_ilock_data_map_shared(ip); error = xfs_bmapi_read(ip, offset_fsb, 1, &imap, &nimap, 0); + + /* Do we need to CoW this block? */ + if (error == 0 && nimap == 1) + should_fork = xfs_reflink_is_cow_pending(ip, offset); xfs_iunlock(ip, lock_mode); if (error || nimap < 1) @@ -1084,7 +1096,7 @@ xfs_zero_remaining_bytes( lastoffset = endoff; /* DAX can just zero the backing device directly */ - if (IS_DAX(VFS_I(ip))) { + if (IS_DAX(VFS_I(ip)) && !should_fork) { error = dax_zero_page_range(VFS_I(ip), offset, lastoffset - offset + 1, xfs_get_blocks_direct); @@ -1105,8 +1117,30 @@ xfs_zero_remaining_bytes( (offset - XFS_FSB_TO_B(mp, imap.br_startoff)), 0, lastoffset - offset + 1); + if (should_fork) { + xfs_fsblock_t new_fsbno; + + error = xfs_map_cow_blocks(VFS_I(ip), offset, &imap); + if (error) { + xfs_buf_relse(bp); + return error; + } + new_fsbno = imap.br_startblock + + (offset_fsb - imap.br_startoff); + XFS_BUF_SET_ADDR(bp, XFS_FSB_TO_DADDR(mp, new_fsbno)); + } + error = xfs_bwrite(bp); xfs_buf_relse(bp); + if (should_fork) { + if (error) { + err2 = xfs_reflink_cancel_cow_range(ip, offset, + lastoffset - offset + 1); + return error; + } + error = xfs_reflink_end_cow(ip, offset, + lastoffset - offset + 1); + } if (error) return error; } diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index fb128dd..2f3c829 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -41,4 +41,8 @@ extern int xfs_reflink_cancel_cow_range(struct xfs_inode *ip, xfs_off_t offset, extern int xfs_reflink_end_cow(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t count); +/* xfs_aops.c */ +extern int xfs_map_cow_blocks(struct inode *inode, xfs_off_t offset, + struct xfs_bmbt_irec *imap); + #endif /* __XFS_REFLINK_H */ From darrick.wong@oracle.com Thu Jun 16 20:27:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 25D517EA6 for ; Thu, 16 Jun 2016 20:27:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id DD09F8F8050 for ; Thu, 16 Jun 2016 18:27:09 -0700 (PDT) X-ASG-Debug-ID: 1466126828-04cb6c542757a70001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 1a0mxo4KXdgcm6VU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:08 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1R6Mq030281 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:06 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1R5e3024326 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:06 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1R5iZ025213; Fri, 17 Jun 2016 01:27:05 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:04 -0700 Subject: [PATCH 086/119] xfs: cancel CoW reservations and clear inode reflink flag when freeing blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 086/119] xfs: cancel CoW reservations and clear inode reflink flag when freeing blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:03 -0700 Message-ID: <146612682326.12839.16807060939543436332.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126828 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2485 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we're freeing blocks (truncate, punch, etc.), clear all CoW reservations in the range being freed. If the file block count drops to zero, also clear the inode reflink flag. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_bmap_util.c | 34 ++++++++++++++++++++++++++++++++++ fs/xfs/xfs_inode.c | 13 +++++++++++++ 2 files changed, 47 insertions(+) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 79225fb..9285111 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1147,6 +1147,32 @@ xfs_zero_remaining_bytes( return error; } +STATIC int +xfs_free_cow_space( + struct xfs_inode *ip, + struct xfs_trans **tpp, + xfs_fileoff_t startoffset_fsb, + xfs_fileoff_t endoffset_fsb) +{ + int error; + + /* Remove any pending CoW reservations. */ + error = xfs_reflink_cancel_cow_blocks(ip, tpp, startoffset_fsb, + endoffset_fsb); + if (error) + goto out; + + /* + * Clear the reflink flag if we freed everything. + */ + if (ip->i_d.di_nblocks == 0) { + ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + xfs_trans_log_inode(*tpp, ip, XFS_ILOG_CORE); + } +out: + return error; +} + int xfs_free_file_space( struct xfs_inode *ip, @@ -1294,6 +1320,14 @@ xfs_free_file_space( if (error) goto error0; + /* Remove CoW reservations and inode flag if applicable. */ + if (done && xfs_is_reflink_inode(ip)) { + error = xfs_free_cow_space(ip, &tp, startoffset_fsb, + endoffset_fsb); + if (error) + goto error0; + } + error = xfs_trans_commit(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index e08eaea..b8d3c4f 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -49,6 +49,7 @@ #include "xfs_trans_priv.h" #include "xfs_log.h" #include "xfs_bmap_btree.h" +#include "xfs_reflink.h" kmem_zone_t *xfs_inode_zone; @@ -1586,6 +1587,18 @@ xfs_itruncate_extents( goto out; } + /* Remove all pending CoW reservations. */ + error = xfs_reflink_cancel_cow_blocks(ip, &tp, first_unmap_block, + last_block); + if (error) + goto out; + + /* + * Clear the reflink flag if we truncated everything. + */ + if (ip->i_d.di_nblocks == 0 && xfs_is_reflink_inode(ip)) + ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + /* * Always re-log the inode so that our permanent transaction can keep * on rolling it forward in the log. From darrick.wong@oracle.com Thu Jun 16 20:27:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E9ED17E8D for ; Thu, 16 Jun 2016 20:27:17 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 9B33B30404E for ; Thu, 16 Jun 2016 18:27:17 -0700 (PDT) X-ASG-Debug-ID: 1466126835-04bdf01e1095c20001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 9GnQd4P8hfHAjioc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:16 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1RDhc011187 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:14 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1RDFp024482 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:13 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1RBDL008595; Fri, 17 Jun 2016 01:27:12 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:11 -0700 Subject: [PATCH 087/119] xfs: cancel pending CoW reservations when destroying inodes From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 087/119] xfs: cancel pending CoW reservations when destroying inodes To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:09 -0700 Message-ID: <146612682953.12839.449371855172899748.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126836 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1308 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When destroying the inode, cancel all pending reservations in the CoW fork so that all the reserved blocks go back to the free pile. In theory this sort of cleanup is only needed to clean up after write errors. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_super.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 18f74b3..09f9af7 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -50,6 +50,7 @@ #include "xfs_rmap_item.h" #include "xfs_refcount_item.h" #include "xfs_bmap_item.h" +#include "xfs_reflink.h" #include #include @@ -939,6 +940,7 @@ xfs_fs_destroy_inode( struct inode *inode) { struct xfs_inode *ip = XFS_I(inode); + int error; trace_xfs_destroy_inode(ip); @@ -946,6 +948,12 @@ xfs_fs_destroy_inode( XFS_STATS_INC(ip->i_mount, vn_rele); XFS_STATS_INC(ip->i_mount, vn_remove); + error = xfs_reflink_cancel_cow_range(ip, 0, NULLFILEOFF); + if (error && !XFS_FORCED_SHUTDOWN(ip->i_mount)) + xfs_warn(ip->i_mount, "Error %d while evicting CoW blocks " + "for inode %llu.", + error, ip->i_ino); + xfs_inactive(ip); ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0); From darrick.wong@oracle.com Thu Jun 16 20:27:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D98657EB0 for ; Thu, 16 Jun 2016 20:27:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9C1828F804C for ; Thu, 16 Jun 2016 18:27:27 -0700 (PDT) X-ASG-Debug-ID: 1466126843-04cb6c542557a90001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id q6zzGuVMFWL4qXHA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:23 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1RL1n011224 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:21 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1RKvr024611 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:21 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1RK8N025336; Fri, 17 Jun 2016 01:27:20 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:19 -0700 Subject: [PATCH 088/119] xfs: store in-progress CoW allocations in the refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 088/119] xfs: store in-progress CoW allocations in the refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:15 -0700 Message-ID: <146612683577.12839.112247431798278299.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126843 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 24545 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Due to the way the CoW algorithm in XFS works, there's an interval during which blocks allocated to handle a CoW can be lost -- if the FS goes down after the blocks are allocated but before the block remapping takes place. This is exacerbated by the cowextsz hint -- allocated reservations can sit around for a while, waiting to get used. Since the refcount btree doesn't normally store records with refcount of 1, we can use it to record these in-progress extents. In-progress blocks cannot be shared because they're not user-visible, so there shouldn't be any conflicts with other programs. This is a better solution than holding EFIs during writeback because (a) EFIs can't be relogged currently, (b) even if they could, EFIs are bound by available log space, which puts an unnecessary upper bound on how much CoW we can have in flight, and (c) we already have a mechanism to track blocks. At mount time, read the refcount records and free anything we find with a refcount of 1 because those were in-progress when the FS went down. v2: Use the deferred operations system to avoid deadlocks and blowing out the transaction reservation. This allows us to unmap a CoW extent from the refcountbt and into a file atomically. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 11 + fs/xfs/libxfs/xfs_format.h | 3 fs/xfs/libxfs/xfs_refcount.c | 321 +++++++++++++++++++++++++++++++++++++++++- fs/xfs/libxfs/xfs_refcount.h | 7 + fs/xfs/xfs_log_recover.c | 12 ++ fs/xfs/xfs_mount.c | 7 + fs/xfs/xfs_reflink.c | 144 +++++++++++++++++++ fs/xfs/xfs_reflink.h | 2 fs/xfs/xfs_super.c | 6 + fs/xfs/xfs_trace.h | 4 + 10 files changed, 511 insertions(+), 6 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 2ba513b..0909532 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -4705,6 +4705,17 @@ xfs_bmapi_write( goto error0; if (bma.blkno == NULLFSBLOCK) break; + + /* + * If this is a CoW allocation, record the data in + * the refcount btree for orphan recovery. + */ + if (whichfork == XFS_COW_FORK) { + error = xfs_refcount_alloc_cow_extent(mp, dfops, + bma.blkno, bma.length); + if (error) + goto error0; + } } /* Deal with the allocated space we found. */ diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 45bbdad..3d336e9 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1401,7 +1401,8 @@ xfs_rmap_ino_owner( #define XFS_RMAP_OWN_INOBT (-6ULL) /* Inode btree blocks */ #define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ #define XFS_RMAP_OWN_REFC (-8ULL) /* refcount tree */ -#define XFS_RMAP_OWN_MIN (-9ULL) /* guard */ +#define XFS_RMAP_OWN_COW (-9ULL) /* cow allocations */ +#define XFS_RMAP_OWN_MIN (-10ULL) /* guard */ #define XFS_RMAP_NON_INODE_OWNER(owner) (!!((owner) & (1ULL << 63))) diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index ebbb714..88f91d5 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -36,13 +36,23 @@ #include "xfs_trans.h" #include "xfs_bit.h" #include "xfs_refcount.h" +#include "xfs_rmap_btree.h" /* Allowable refcount adjustment amounts. */ enum xfs_refc_adjust_op { XFS_REFCOUNT_ADJUST_INCREASE = 1, XFS_REFCOUNT_ADJUST_DECREASE = -1, + XFS_REFCOUNT_ADJUST_COW_ALLOC = 0, + XFS_REFCOUNT_ADJUST_COW_FREE = -1, }; +STATIC int __xfs_refcount_cow_alloc(struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, xfs_extlen_t aglen, + struct xfs_defer_ops *dfops); +STATIC int __xfs_refcount_cow_free(struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, xfs_extlen_t aglen, + struct xfs_defer_ops *dfops); + /* * Look up the first record less than or equal to [bno, len] in the btree * given by cur. @@ -468,6 +478,8 @@ out_error: return error; } +#define XFS_FIND_RCEXT_SHARED 1 +#define XFS_FIND_RCEXT_COW 2 /* * Find the left extent and the one after it (cleft). This function assumes * that we've already split any extent crossing agbno. @@ -478,7 +490,8 @@ xfs_refcount_find_left_extents( struct xfs_refcount_irec *left, struct xfs_refcount_irec *cleft, xfs_agblock_t agbno, - xfs_extlen_t aglen) + xfs_extlen_t aglen, + int flags) { struct xfs_refcount_irec tmp; int error; @@ -498,6 +511,10 @@ xfs_refcount_find_left_extents( if (RCNEXT(tmp) != agbno) return 0; + if ((flags & XFS_FIND_RCEXT_SHARED) && tmp.rc_refcount < 2) + return 0; + if ((flags & XFS_FIND_RCEXT_COW) && tmp.rc_refcount > 1) + return 0; /* We have a left extent; retrieve (or invent) the next right one */ *left = tmp; @@ -554,7 +571,8 @@ xfs_refcount_find_right_extents( struct xfs_refcount_irec *right, struct xfs_refcount_irec *cright, xfs_agblock_t agbno, - xfs_extlen_t aglen) + xfs_extlen_t aglen, + int flags) { struct xfs_refcount_irec tmp; int error; @@ -574,6 +592,10 @@ xfs_refcount_find_right_extents( if (tmp.rc_startblock != agbno + aglen) return 0; + if ((flags & XFS_FIND_RCEXT_SHARED) && tmp.rc_refcount < 2) + return 0; + if ((flags & XFS_FIND_RCEXT_COW) && tmp.rc_refcount > 1) + return 0; /* We have a right extent; retrieve (or invent) the next left one */ *right = tmp; @@ -630,6 +652,7 @@ xfs_refcount_merge_extents( xfs_agblock_t *agbno, xfs_extlen_t *aglen, enum xfs_refc_adjust_op adjust, + int flags, bool *shape_changed) { struct xfs_refcount_irec left = {0}, cleft = {0}; @@ -645,11 +668,11 @@ xfs_refcount_merge_extents( * [right]. */ error = xfs_refcount_find_left_extents(cur, &left, &cleft, *agbno, - *aglen); + *aglen, flags); if (error) return error; error = xfs_refcount_find_right_extents(cur, &right, &cright, *agbno, - *aglen); + *aglen, flags); if (error) return error; @@ -936,7 +959,7 @@ xfs_refcount_adjust( */ orig_aglen = aglen; error = xfs_refcount_merge_extents(cur, &agbno, &aglen, adj, - &shape_changed); + XFS_FIND_RCEXT_SHARED, &shape_changed); if (error) goto out_error; if (shape_changed) @@ -1053,6 +1076,18 @@ xfs_refcount_finish_one( error = xfs_refcount_adjust(rcur, bno, blockcount, adjusted, XFS_REFCOUNT_ADJUST_DECREASE, dfops, NULL); break; + case XFS_REFCOUNT_ALLOC_COW: + *adjusted = 0; + error = __xfs_refcount_cow_alloc(rcur, bno, blockcount, dfops); + if (!error) + *adjusted = blockcount; + break; + case XFS_REFCOUNT_FREE_COW: + *adjusted = 0; + error = __xfs_refcount_cow_free(rcur, bno, blockcount, dfops); + if (!error) + *adjusted = blockcount; + break; default: ASSERT(0); error = -EFSCORRUPTED; @@ -1238,3 +1273,279 @@ out: trace_xfs_refcount_find_shared_error(mp, agno, error, _RET_IP_); return error; } + +/* + * Recovering CoW Blocks After a Crash + * + * Due to the way that the copy on write mechanism works, there's a window of + * opportunity in which we can lose track of allocated blocks during a crash. + * Because CoW uses delayed allocation in the in-core CoW fork, writeback + * causes blocks to be allocated and stored in the CoW fork. The blocks are + * no longer in the free space btree but are not otherwise recorded anywhere + * until the write completes and the blocks are mapped into the file. A crash + * in between allocation and remapping results in the replacement blocks being + * lost. This situation is exacerbated by the CoW extent size hint because + * allocations can hang around for long time. + * + * However, there is a place where we can record these allocations before they + * become mappings -- the reference count btree. The btree does not record + * extents with refcount == 1, so we can record allocations with a refcount of + * 1. Blocks being used for CoW writeout cannot be shared, so there should be + * no conflict with shared block records. These mappings should be created + * when we allocate blocks to the CoW fork and deleted when they're removed + * from the CoW fork. + * + * Minor nit: records for in-progress CoW allocations and records for shared + * extents must never be merged, to preserve the property that (except for CoW + * allocations) there are no refcount btree entries with refcount == 1. The + * only time this could potentially happen is when unsharing a block that's + * adjacent to CoW allocations, so we must be careful to avoid this. + * + * At mount time we recover lost CoW allocations by searching the refcount + * btree for these refcount == 1 mappings. These represent CoW allocations + * that were in progress at the time the filesystem went down, so we can free + * them to get the space back. + * + * This mechanism is superior to creating EFIs for unmapped CoW extents for + * several reasons -- first, EFIs pin the tail of the log and would have to be + * periodically relogged to avoid filling up the log. Second, CoW completions + * will have to file an EFD and create new EFIs for whatever remains in the + * CoW fork; this partially takes care of (1) but extent-size reservations + * will have to periodically relog even if there's no writeout in progress. + * This can happen if the CoW extent size hint is set, which you really want. + * Third, EFIs cannot currently be automatically relogged into newer + * transactions to advance the log tail. Fourth, stuffing the log full of + * EFIs places an upper bound on the number of CoW allocations that can be + * held filesystem-wide at any given time. Recording them in the refcount + * btree doesn't require us to maintain any state in memory and doesn't pin + * the log. + */ +/* + * Adjust the refcounts of CoW allocations. These allocations are "magic" + * in that they're not referenced anywhere else in the filesystem, so we + * stash them in the refcount btree with a refcount of 1 until either file + * remapping (or CoW cancellation) happens. + */ +STATIC int +xfs_refcount_adjust_cow_extents( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + enum xfs_refc_adjust_op adj, + struct xfs_defer_ops *dfops, + struct xfs_owner_info *oinfo) +{ + struct xfs_refcount_irec ext, tmp; + int error; + int found_rec, found_tmp; + + if (aglen == 0) + return 0; + + /* Find any overlapping refcount records */ + error = xfs_refcountbt_lookup_ge(cur, agbno, &found_rec); + if (error) + goto out_error; + error = xfs_refcountbt_get_rec(cur, &ext, &found_rec); + if (error) + goto out_error; + if (!found_rec) { + ext.rc_startblock = cur->bc_mp->m_sb.sb_agblocks; + ext.rc_blockcount = 0; + ext.rc_refcount = 0; + } + + switch (adj) { + case XFS_REFCOUNT_ADJUST_COW_ALLOC: + /* Adding a CoW reservation, there should be nothing here. */ + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + ext.rc_startblock >= agbno + aglen, out_error); + + tmp.rc_startblock = agbno; + tmp.rc_blockcount = aglen; + tmp.rc_refcount = 1; + trace_xfs_refcount_modify_extent(cur->bc_mp, + cur->bc_private.a.agno, &tmp); + + error = xfs_refcountbt_insert(cur, &tmp, + &found_tmp); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + found_tmp == 1, out_error); + break; + case XFS_REFCOUNT_ADJUST_COW_FREE: + /* Removing a CoW reservation, there should be one extent. */ + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + ext.rc_startblock == agbno, out_error); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + ext.rc_blockcount == aglen, out_error); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + ext.rc_refcount == 1, out_error); + + ext.rc_refcount = 0; + trace_xfs_refcount_modify_extent(cur->bc_mp, + cur->bc_private.a.agno, &ext); + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + found_rec == 1, out_error); + break; + default: + ASSERT(0); + } + + return error; +out_error: + trace_xfs_refcount_modify_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Add or remove refcount btree entries for CoW reservations. + */ +STATIC int +xfs_refcount_adjust_cow( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + enum xfs_refc_adjust_op adj, + struct xfs_defer_ops *dfops) +{ + bool shape_changed; + int error; + + /* + * Ensure that no rcextents cross the boundary of the adjustment range. + */ + error = xfs_refcount_split_extent(cur, agbno, &shape_changed); + if (error) + goto out_error; + + error = xfs_refcount_split_extent(cur, agbno + aglen, &shape_changed); + if (error) + goto out_error; + + /* + * Try to merge with the left or right extents of the range. + */ + error = xfs_refcount_merge_extents(cur, &agbno, &aglen, adj, + XFS_FIND_RCEXT_COW, &shape_changed); + if (error) + goto out_error; + + /* Now that we've taken care of the ends, adjust the middle extents */ + error = xfs_refcount_adjust_cow_extents(cur, agbno, aglen, adj, + dfops, NULL); + if (error) + goto out_error; + + return 0; + +out_error: + trace_xfs_refcount_adjust_cow_error(cur->bc_mp, cur->bc_private.a.agno, + error, _RET_IP_); + return error; +} + +/* + * Record a CoW allocation in the refcount btree. + */ +STATIC int +__xfs_refcount_cow_alloc( + struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + struct xfs_defer_ops *dfops) +{ + int error; + + trace_xfs_refcount_cow_increase(rcur->bc_mp, rcur->bc_private.a.agno, + agbno, aglen); + + /* Add refcount btree reservation */ + error = xfs_refcount_adjust_cow(rcur, agbno, aglen, + XFS_REFCOUNT_ADJUST_COW_ALLOC, dfops); + if (error) + return error; + + /* Add rmap entry */ + if (xfs_sb_version_hasrmapbt(&rcur->bc_mp->m_sb)) { + error = xfs_rmap_alloc_defer(rcur->bc_mp, dfops, + rcur->bc_private.a.agno, + agbno, aglen, XFS_RMAP_OWN_COW); + if (error) + return error; + } + + return error; +} + +/* + * Remove a CoW allocation from the refcount btree. + */ +STATIC int +__xfs_refcount_cow_free( + struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + struct xfs_defer_ops *dfops) +{ + int error; + + trace_xfs_refcount_cow_decrease(rcur->bc_mp, rcur->bc_private.a.agno, + agbno, aglen); + + /* Remove refcount btree reservation */ + error = xfs_refcount_adjust_cow(rcur, agbno, aglen, + XFS_REFCOUNT_ADJUST_COW_FREE, dfops); + if (error) + return error; + + /* Remove rmap entry */ + if (xfs_sb_version_hasrmapbt(&rcur->bc_mp->m_sb)) { + error = xfs_rmap_free_defer(rcur->bc_mp, dfops, + rcur->bc_private.a.agno, + agbno, aglen, XFS_RMAP_OWN_COW); + if (error) + return error; + } + + return error; +} + +/* Record a CoW staging extent in the refcount btree. */ +int +xfs_refcount_alloc_cow_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + xfs_fsblock_t fsb, + xfs_extlen_t len) +{ + struct xfs_refcount_intent ri; + + ri.ri_type = XFS_REFCOUNT_ALLOC_COW; + ri.ri_startblock = fsb; + ri.ri_blockcount = len; + + return __xfs_refcount_add(mp, dfops, &ri); +} + +/* Forget a CoW staging event in the refcount btree. */ +int +xfs_refcount_free_cow_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + xfs_fsblock_t fsb, + xfs_extlen_t len) +{ + struct xfs_refcount_intent ri; + + ri.ri_type = XFS_REFCOUNT_FREE_COW; + ri.ri_startblock = fsb; + ri.ri_blockcount = len; + + return __xfs_refcount_add(mp, dfops, &ri); +} diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h index b7b83b8..6665eeb 100644 --- a/fs/xfs/libxfs/xfs_refcount.h +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -57,4 +57,11 @@ extern int xfs_refcount_find_shared(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno, xfs_extlen_t *flen, bool find_maximal); +extern int xfs_refcount_alloc_cow_extent(struct xfs_mount *mp, + struct xfs_defer_ops *dfops, xfs_fsblock_t fsb, + xfs_extlen_t len); +extern int xfs_refcount_free_cow_extent(struct xfs_mount *mp, + struct xfs_defer_ops *dfops, xfs_fsblock_t fsb, + xfs_extlen_t len); + #endif /* __XFS_REFCOUNT_H__ */ diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 3faaf10..58a700b 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -5040,6 +5040,18 @@ xlog_recover_process_cui( error = xfs_refcount_decrease_extent( tp->t_mountp, &dfops, &irec); break; + case XFS_REFCOUNT_ALLOC_COW: + error = xfs_refcount_alloc_cow_extent( + tp->t_mountp, &dfops, + irec.br_startblock, + irec.br_blockcount); + break; + case XFS_REFCOUNT_FREE_COW: + error = xfs_refcount_free_cow_extent( + tp->t_mountp, &dfops, + irec.br_startblock, + irec.br_blockcount); + break; default: ASSERT(0); } diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 48b8b1e..6351dce 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -44,6 +44,7 @@ #include "xfs_sysfs.h" #include "xfs_rmap_btree.h" #include "xfs_refcount_btree.h" +#include "xfs_reflink.h" static DEFINE_MUTEX(xfs_uuid_table_mutex); @@ -960,6 +961,12 @@ xfs_mountfs( if (error) xfs_warn(mp, "Unable to allocate reserve blocks. Continuing without reserve pool."); + + /* Recover any CoW blocks that never got remapped. */ + error = xfs_reflink_recover_cow(mp); + if (error && !XFS_FORCED_SHUTDOWN(mp)) + xfs_err(mp, + "Error %d recovering leftover CoW allocations.", error); } return 0; diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 113f333..0f9cc82 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -534,6 +534,13 @@ xfs_reflink_cancel_cow_blocks( xfs_trans_ijoin(*tpp, ip, 0); xfs_defer_init(&dfops, &firstfsb); + /* Free the CoW orphan record. */ + error = xfs_refcount_free_cow_extent(ip->i_mount, + &dfops, irec.br_startblock, + irec.br_blockcount); + if (error) + break; + xfs_bmap_add_free(ip->i_mount, &dfops, irec.br_startblock, irec.br_blockcount, NULL); @@ -694,6 +701,13 @@ xfs_reflink_end_cow( irec.br_blockcount = rlen; trace_xfs_reflink_cow_remap_piece(ip, &uirec); + /* Free the CoW orphan record. */ + error = xfs_refcount_free_cow_extent(tp->t_mountp, + &dfops, uirec.br_startblock, + uirec.br_blockcount); + if (error) + goto out_defer; + /* Map the new blocks into the data fork. */ error = xfs_bmap_map_extent(tp->t_mountp, &dfops, ip, XFS_DATA_FORK, &uirec); @@ -731,3 +745,133 @@ out: trace_xfs_reflink_end_cow_error(ip, error, _RET_IP_); return error; } + +struct xfs_reflink_recovery { + struct list_head rr_list; + struct xfs_refcount_irec rr_rrec; +}; + +/* + * Find and remove leftover CoW reservations. + */ +STATIC int +xfs_reflink_recover_cow_ag( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct list_head debris; + struct xfs_trans *tp; + struct xfs_btree_cur *cur; + struct xfs_buf *agbp; + struct xfs_refcount_irec tmp; + struct xfs_reflink_recovery *rr, *n; + struct xfs_defer_ops dfops; + xfs_fsblock_t fsb; + int i, have; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + return error; + cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); + + /* Start iterating btree entries. */ + INIT_LIST_HEAD(&debris); + error = xfs_refcountbt_lookup_ge(cur, 0, &have); + if (error) + goto out_error; + while (have) { + /* If refcount == 1, save the stashed entry for later. */ + error = xfs_refcountbt_get_rec(cur, &tmp, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + if (tmp.rc_refcount != 1) + goto advloop; + + rr = kmem_alloc(sizeof(struct xfs_reflink_recovery), KM_SLEEP); + rr->rr_rrec = tmp; + list_add_tail(&rr->rr_list, &debris); + +advloop: + /* Look at the next one */ + error = xfs_btree_increment(cur, 0, &have); + if (error) + goto out_error; + } + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + xfs_buf_relse(agbp); + + /* Now iterate the list to free the leftovers */ + list_for_each_entry(rr, &debris, rr_list) { + /* Set up transaction. */ + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, 0, &tp); + if (error) + goto out_free; + + trace_xfs_reflink_recover_extent(mp, agno, &rr->rr_rrec); + + /* Free the orphan record */ + xfs_defer_init(&dfops, &fsb); + fsb = XFS_AGB_TO_FSB(mp, agno, rr->rr_rrec.rc_startblock); + error = xfs_refcount_free_cow_extent(mp, &dfops, fsb, + rr->rr_rrec.rc_blockcount); + if (error) + goto out_defer; + + /* Free the block. */ + xfs_bmap_add_free(mp, &dfops, fsb, + rr->rr_rrec.rc_blockcount, NULL); + + error = xfs_defer_finish(&tp, &dfops, NULL); + if (error) + goto out_defer; + + error = xfs_trans_commit(tp); + if (error) + goto out_cancel; + } + goto out_free; + +out_defer: + xfs_defer_cancel(&dfops); +out_cancel: + xfs_trans_cancel(tp); + +out_free: + /* Free the leftover list */ + list_for_each_entry_safe(rr, n, &debris, rr_list) { + list_del(&rr->rr_list); + kmem_free(rr); + } + + return error; + +out_error: + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + xfs_buf_relse(agbp); + return error; +} + +/* + * Free leftover CoW reservations that didn't get cleaned out. + */ +int +xfs_reflink_recover_cow( + struct xfs_mount *mp) +{ + xfs_agnumber_t agno; + int error = 0; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return 0; + + for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) { + error = xfs_reflink_recover_cow_ag(mp, agno); + if (error) + break; + } + + return error; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 2f3c829..0f5fd0c 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -41,6 +41,8 @@ extern int xfs_reflink_cancel_cow_range(struct xfs_inode *ip, xfs_off_t offset, extern int xfs_reflink_end_cow(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t count); +extern int xfs_reflink_recover_cow(struct xfs_mount *mp); + /* xfs_aops.c */ extern int xfs_map_cow_blocks(struct inode *inode, xfs_off_t offset, struct xfs_bmbt_irec *imap); diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 09f9af7..87e997a 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1306,6 +1306,12 @@ xfs_fs_remount( */ xfs_restore_resvblks(mp); xfs_log_work_queue(mp); + + /* Recover any CoW blocks that never got remapped. */ + error = xfs_reflink_recover_cow(mp); + if (error && !XFS_FORCED_SHUTDOWN(mp)) + xfs_err(mp, + "Error %d recovering leftover CoW allocations.", error); } /* rw -> ro */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 079075f..fe4a5be 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2889,14 +2889,18 @@ DEFINE_AG_ERROR_EVENT(xfs_refcountbt_update_error); /* refcount adjustment tracepoints */ DEFINE_AG_EXTENT_EVENT(xfs_refcount_increase); DEFINE_AG_EXTENT_EVENT(xfs_refcount_decrease); +DEFINE_AG_EXTENT_EVENT(xfs_refcount_cow_increase); +DEFINE_AG_EXTENT_EVENT(xfs_refcount_cow_decrease); DEFINE_REFCOUNT_TRIPLE_EXTENT_EVENT(xfs_refcount_merge_center_extents); DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcount_modify_extent); +DEFINE_REFCOUNT_EXTENT_EVENT(xfs_reflink_recover_extent); DEFINE_REFCOUNT_EXTENT_AT_EVENT(xfs_refcount_split_extent); DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_merge_left_extent); DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_merge_right_extent); DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(xfs_refcount_find_left_extent); DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(xfs_refcount_find_right_extent); DEFINE_AG_ERROR_EVENT(xfs_refcount_adjust_error); +DEFINE_AG_ERROR_EVENT(xfs_refcount_adjust_cow_error); DEFINE_AG_ERROR_EVENT(xfs_refcount_merge_center_extents_error); DEFINE_AG_ERROR_EVENT(xfs_refcount_modify_extent_error); DEFINE_AG_ERROR_EVENT(xfs_refcount_split_extent_error); From darrick.wong@oracle.com Thu Jun 16 20:27:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5A2517ECA for ; Thu, 16 Jun 2016 20:27:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2AE9530404E for ; Thu, 16 Jun 2016 18:27:33 -0700 (PDT) X-ASG-Debug-ID: 1466126850-04cbb01fef69940001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id jAHYMdLoqBBA0abP (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1RRgX011256 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:28 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1RRdC024829 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:27 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1RQMT020876; Fri, 17 Jun 2016 01:27:26 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:26 -0700 Subject: [PATCH 089/119] xfs: reflink extents from one file to another From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 089/119] xfs: reflink extents from one file to another To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:24 -0700 Message-ID: <146612684450.12839.1184517921225715964.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126850 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13945 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Reflink extents from one file to another; that is to say, iteratively remove the mappings from the destination file, copy the mappings from the source file to the destination file, and increment the reference count of all the blocks that got remapped. v2: Call xfs_defer_cancel before cancelling the transaction if the remap operation fails. Use the deferred operations system to avoid deadlocks or blowing out the transaction reservation, and make the entire reflink operation atomic for each extent being remapped. The destination file's i_size will be updated if necessary to avoid violating the assumption that there are no shared blocks past the EOF block. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_reflink.c | 426 ++++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 3 2 files changed, 429 insertions(+) diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 0f9cc82..c01c0c7 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -875,3 +875,429 @@ xfs_reflink_recover_cow( return error; } + +/* + * Reflinking (Block) Ranges of Two Files Together + * + * First, ensure that the reflink flag is set on both inodes. The flag is an + * optimization to avoid unnecessary refcount btree lookups in the write path. + * + * Now we can iteratively remap the range of extents (and holes) in src to the + * corresponding ranges in dest. Let drange and srange denote the ranges of + * logical blocks in dest and src touched by the reflink operation. + * + * While the length of drange is greater than zero, + * - Read src's bmbt at the start of srange ("imap") + * - If imap doesn't exist, make imap appear to start at the end of srange + * with zero length. + * - If imap starts before srange, advance imap to start at srange. + * - If imap goes beyond srange, truncate imap to end at the end of srange. + * - Punch (imap start - srange start + imap len) blocks from dest at + * offset (drange start). + * - If imap points to a real range of pblks, + * > Increase the refcount of the imap's pblks + * > Map imap's pblks into dest at the offset + * (drange start + imap start - srange start) + * - Advance drange and srange by (imap start - srange start + imap len) + * + * Finally, if the reflink made dest longer, update both the in-core and + * on-disk file sizes. + * + * ASCII Art Demonstration: + * + * Let's say we want to reflink this source file: + * + * ----SSSSSSS-SSSSS----SSSSSS (src file) + * <--------------------> + * + * into this destination file: + * + * --DDDDDDDDDDDDDDDDDDD--DDD (dest file) + * <--------------------> + * '-' means a hole, and 'S' and 'D' are written blocks in the src and dest. + * Observe that the range has different logical offsets in either file. + * + * Consider that the first extent in the source file doesn't line up with our + * reflink range. Unmapping and remapping are separate operations, so we can + * unmap more blocks from the destination file than we remap. + * + * ----SSSSSSS-SSSSS----SSSSSS + * <-------> + * --DDDDD---------DDDDD--DDD + * <-------> + * + * Now remap the source extent into the destination file: + * + * ----SSSSSSS-SSSSS----SSSSSS + * <-------> + * --DDDDD--SSSSSSSDDDDD--DDD + * <-------> + * + * Do likewise with the second hole and extent in our range. Holes in the + * unmap range don't affect our operation. + * + * ----SSSSSSS-SSSSS----SSSSSS + * <----> + * --DDDDD--SSSSSSS-SSSSS-DDD + * <----> + * + * Finally, unmap and remap part of the third extent. This will increase the + * size of the destination file. + * + * ----SSSSSSS-SSSSS----SSSSSS + * <-----> + * --DDDDD--SSSSSSS-SSSSS----SSS + * <-----> + * + * Once we update the destination file's i_size, we're done. + */ + +/* + * Ensure the reflink bit is set in both inodes. + */ +STATIC int +xfs_reflink_set_inode_flag( + struct xfs_inode *src, + struct xfs_inode *dest) +{ + struct xfs_mount *mp = src->i_mount; + int error; + struct xfs_trans *tp; + + if (xfs_is_reflink_inode(src) && xfs_is_reflink_inode(dest)) + return 0; + + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp); + if (error) + goto out_error; + + /* Lock both files against IO */ + if (src->i_ino == dest->i_ino) + xfs_ilock(src, XFS_ILOCK_EXCL); + else + xfs_lock_two_inodes(src, dest, XFS_ILOCK_EXCL); + + if (!xfs_is_reflink_inode(src)) { + trace_xfs_reflink_set_inode_flag(src); + xfs_trans_ijoin(tp, src, XFS_ILOCK_EXCL); + src->i_d.di_flags2 |= XFS_DIFLAG2_REFLINK; + xfs_trans_log_inode(tp, src, XFS_ILOG_CORE); + xfs_ifork_init_cow(src); + } else + xfs_iunlock(src, XFS_ILOCK_EXCL); + + if (src->i_ino == dest->i_ino) + goto commit_flags; + + if (!xfs_is_reflink_inode(dest)) { + trace_xfs_reflink_set_inode_flag(dest); + xfs_trans_ijoin(tp, dest, XFS_ILOCK_EXCL); + dest->i_d.di_flags2 |= XFS_DIFLAG2_REFLINK; + xfs_trans_log_inode(tp, dest, XFS_ILOG_CORE); + xfs_ifork_init_cow(dest); + } else + xfs_iunlock(dest, XFS_ILOCK_EXCL); + +commit_flags: + error = xfs_trans_commit(tp); + if (error) + goto out_error; + return error; + +out_error: + trace_xfs_reflink_set_inode_flag_error(dest, error, _RET_IP_); + return error; +} + +/* + * Update destination inode size, if necessary. + */ +STATIC int +xfs_reflink_update_dest( + struct xfs_inode *dest, + xfs_off_t newlen) +{ + struct xfs_mount *mp = dest->i_mount; + struct xfs_trans *tp; + int error; + + if (newlen <= i_size_read(VFS_I(dest))) + return 0; + + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp); + if (error) + goto out_error; + + xfs_ilock(dest, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, dest, XFS_ILOCK_EXCL); + + trace_xfs_reflink_update_inode_size(dest, newlen); + i_size_write(VFS_I(dest), newlen); + dest->i_d.di_size = newlen; + xfs_trans_log_inode(tp, dest, XFS_ILOG_CORE); + + error = xfs_trans_commit(tp); + if (error) + goto out_error; + return error; + +out_error: + trace_xfs_reflink_update_inode_size_error(dest, error, _RET_IP_); + return error; +} + +/* + * Unmap a range of blocks from a file, then map other blocks into the hole. + * The range to unmap is (destoff : destoff + srcioff + irec->br_blockcount). + * The extent irec is mapped into dest at irec->br_startoff. + */ +STATIC int +xfs_reflink_remap_extent( + struct xfs_inode *ip, + struct xfs_bmbt_irec *irec, + xfs_fileoff_t destoff, + xfs_off_t new_isize) +{ + struct xfs_mount *mp = ip->i_mount; + struct xfs_trans *tp; + xfs_fsblock_t firstfsb; + unsigned int resblks; + struct xfs_defer_ops dfops; + struct xfs_bmbt_irec uirec; + bool real_extent; + xfs_filblks_t rlen; + xfs_filblks_t unmap_len; + xfs_off_t newlen; + int error; + + unmap_len = irec->br_startoff + irec->br_blockcount - destoff; + trace_xfs_reflink_punch_range(ip, destoff, unmap_len); + + /* Only remap normal extents. */ + real_extent = (irec->br_startblock != HOLESTARTBLOCK && + irec->br_startblock != DELAYSTARTBLOCK && + !ISUNWRITTEN(irec)); + + /* Start a rolling transaction to switch the mappings */ + resblks = XFS_EXTENTADD_SPACE_RES(ip->i_mount, XFS_DATA_FORK); + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp); + if (error) + goto out; + + xfs_ilock(ip, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, ip, 0); + + /* If we're not just clearing space, then do we have enough quota? */ + if (real_extent) { + error = xfs_trans_reserve_quota_nblks(tp, ip, + irec->br_blockcount, 0, XFS_QMOPT_RES_REGBLKS); + if (error) + goto out_cancel; + } + + trace_xfs_reflink_remap(ip, irec->br_startoff, + irec->br_blockcount, irec->br_startblock); + + /* Unmap the old blocks in the data fork. */ + rlen = unmap_len; + while (rlen) { + xfs_defer_init(&dfops, &firstfsb); + error = __xfs_bunmapi(tp, ip, destoff, &rlen, 0, 1, + &firstfsb, &dfops); + if (error) + goto out_defer; + + /* Trim the extent to whatever got unmapped. */ + uirec = *irec; + xfs_trim_extent(&uirec, destoff + rlen, unmap_len - rlen); + unmap_len = rlen; + + /* If this isn't a real mapping, we're done. */ + if (!real_extent || uirec.br_blockcount == 0) + goto next_extent; + + trace_xfs_reflink_remap(ip, uirec.br_startoff, + uirec.br_blockcount, uirec.br_startblock); + + /* Update the refcount tree */ + error = xfs_refcount_increase_extent(mp, &dfops, &uirec); + if (error) + goto out_defer; + + /* Map the new blocks into the data fork. */ + error = xfs_bmap_map_extent(mp, &dfops, ip, XFS_DATA_FORK, + &uirec); + if (error) + goto out_defer; + + /* Update quota accounting. */ + xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, + uirec.br_blockcount); + + /* Update dest isize if needed. */ + newlen = XFS_FSB_TO_B(mp, + uirec.br_startoff + uirec.br_blockcount); + newlen = min_t(xfs_off_t, newlen, new_isize); + if (newlen > i_size_read(VFS_I(ip))) { + trace_xfs_reflink_update_inode_size(ip, newlen); + i_size_write(VFS_I(ip), newlen); + ip->i_d.di_size = newlen; + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + } + +next_extent: + /* Process all the deferred stuff. */ + error = xfs_defer_finish(&tp, &dfops, ip); + if (error) + goto out_defer; + } + + error = xfs_trans_commit(tp); + xfs_iunlock(ip, XFS_ILOCK_EXCL); + if (error) + goto out; + return 0; + +out_defer: + xfs_defer_cancel(&dfops); +out_cancel: + xfs_trans_cancel(tp); + xfs_iunlock(ip, XFS_ILOCK_EXCL); +out: + trace_xfs_reflink_remap_extent_error(ip, error, _RET_IP_); + return error; +} + +/* + * Iteratively remap one file's extents (and holes) to another's. + */ +STATIC int +xfs_reflink_remap_blocks( + struct xfs_inode *src, + xfs_fileoff_t srcoff, + struct xfs_inode *dest, + xfs_fileoff_t destoff, + xfs_filblks_t len, + xfs_off_t new_isize) +{ + struct xfs_bmbt_irec imap; + int nimaps; + int error = 0; + xfs_filblks_t range_len; + + /* drange = (destoff, destoff + len); srange = (srcoff, srcoff + len) */ + while (len) { + trace_xfs_reflink_remap_blocks_loop(src, srcoff, len, + dest, destoff); + /* Read extent from the source file */ + nimaps = 1; + xfs_ilock(src, XFS_ILOCK_EXCL); + error = xfs_bmapi_read(src, srcoff, len, &imap, &nimaps, 0); + xfs_iunlock(src, XFS_ILOCK_EXCL); + if (error) + goto err; + ASSERT(nimaps == 1); + xfs_trim_extent(&imap, srcoff, len); + + trace_xfs_reflink_remap_imap(src, srcoff, len, XFS_IO_OVERWRITE, + &imap); + + /* Translate imap into the destination file. */ + range_len = imap.br_startoff + imap.br_blockcount - srcoff; + imap.br_startoff += destoff - srcoff; + + /* Clear dest from destoff to the end of imap and map it in. */ + error = xfs_reflink_remap_extent(dest, &imap, destoff, + new_isize); + if (error) + goto err; + + if (fatal_signal_pending(current)) { + error = -EINTR; + goto err; + } + + /* Advance drange/srange */ + srcoff += range_len; + destoff += range_len; + len -= range_len; + } + + return 0; + +err: + trace_xfs_reflink_remap_blocks_error(dest, error, _RET_IP_); + return error; +} + +/* + * Link a range of blocks from one file to another. + */ +int +xfs_reflink_remap_range( + struct xfs_inode *src, + xfs_off_t srcoff, + struct xfs_inode *dest, + xfs_off_t destoff, + xfs_off_t len) +{ + struct xfs_mount *mp = src->i_mount; + xfs_fileoff_t sfsbno, dfsbno; + xfs_filblks_t fsblen; + int error; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return -EOPNOTSUPP; + + if (XFS_FORCED_SHUTDOWN(mp)) + return -EIO; + + /* Don't reflink realtime inodes */ + if (XFS_IS_REALTIME_INODE(src) || XFS_IS_REALTIME_INODE(dest)) + return -EINVAL; + + trace_xfs_reflink_remap_range(src, srcoff, len, dest, destoff); + + /* Lock both files against IO */ + if (src->i_ino == dest->i_ino) { + xfs_ilock(src, XFS_IOLOCK_EXCL); + xfs_ilock(src, XFS_MMAPLOCK_EXCL); + } else { + xfs_lock_two_inodes(src, dest, XFS_IOLOCK_EXCL); + xfs_lock_two_inodes(src, dest, XFS_MMAPLOCK_EXCL); + } + + error = xfs_reflink_set_inode_flag(src, dest); + if (error) + goto out_error; + + /* + * Invalidate the page cache so that we can clear any CoW mappings + * in the destination file. + */ + truncate_inode_pages_range(&VFS_I(dest)->i_data, destoff, + PAGE_ALIGN(destoff + len) - 1); + + dfsbno = XFS_B_TO_FSBT(mp, destoff); + sfsbno = XFS_B_TO_FSBT(mp, srcoff); + fsblen = XFS_B_TO_FSB(mp, len); + error = xfs_reflink_remap_blocks(src, sfsbno, dest, dfsbno, fsblen, + destoff + len); + if (error) + goto out_error; + + error = xfs_reflink_update_dest(dest, destoff + len); + if (error) + goto out_error; + +out_error: + xfs_iunlock(src, XFS_MMAPLOCK_EXCL); + xfs_iunlock(src, XFS_IOLOCK_EXCL); + if (src->i_ino != dest->i_ino) { + xfs_iunlock(dest, XFS_MMAPLOCK_EXCL); + xfs_iunlock(dest, XFS_IOLOCK_EXCL); + } + if (error) + trace_xfs_reflink_remap_range_error(dest, error, _RET_IP_); + return error; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 0f5fd0c..92c0ebd 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -43,6 +43,9 @@ extern int xfs_reflink_end_cow(struct xfs_inode *ip, xfs_off_t offset, extern int xfs_reflink_recover_cow(struct xfs_mount *mp); +extern int xfs_reflink_remap_range(struct xfs_inode *src, xfs_off_t srcoff, + struct xfs_inode *dest, xfs_off_t destoff, xfs_off_t len); + /* xfs_aops.c */ extern int xfs_map_cow_blocks(struct inode *inode, xfs_off_t offset, struct xfs_bmbt_irec *imap); From darrick.wong@oracle.com Thu Jun 16 20:27:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3BB3E7ED0 for ; Thu, 16 Jun 2016 20:27:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id F3B26304048 for ; Thu, 16 Jun 2016 18:27:37 -0700 (PDT) X-ASG-Debug-ID: 1466126855-04cbb01fec69940001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id laZRqSw0mD7518k9 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:35 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1RXKN030563 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:34 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1RXCc024933 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:33 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1RWkm020892; Fri, 17 Jun 2016 01:27:33 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:32 -0700 Subject: [PATCH 090/119] xfs: add clone file and clone range vfs functions From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 090/119] xfs: add clone file and clone range vfs functions To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:31 -0700 Message-ID: <146612685092.12839.15947435528001594579.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126855 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5903 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Define two VFS functions which allow userspace to reflink a range of blocks between two files or to reflink one file's contents to another. These functions fit the new VFS ioctls that standardize the checking for the btrfs CLONE and CLONE RANGE ioctls. v2: Plug into the VFS function pointers instead of handling ioctls directly. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_fs.h | 11 ++++ fs/xfs/xfs_file.c | 142 ++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_ioctl.c | 2 + 3 files changed, 155 insertions(+) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 6f4f2c3..788e006 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -533,6 +533,17 @@ typedef struct xfs_swapext #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ +/* reflink ioctls; these MUST match the btrfs ioctl definitions */ +/* from struct btrfs_ioctl_clone_range_args */ +struct xfs_clone_args { + __s64 src_fd; + __u64 src_offset; + __u64 src_length; + __u64 dest_offset; +}; + +#define XFS_IOC_CLONE _IOW (0x94, 9, int) +#define XFS_IOC_CLONE_RANGE _IOW (0x94, 13, struct xfs_clone_args) #ifndef HAVE_BBMACROS /* diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index b979f01..c2953bd 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1050,6 +1050,146 @@ out_unlock: return error; } +/* + * Flush all file writes out to disk. + */ +static int +xfs_file_wait_for_io( + struct inode *inode, + loff_t offset, + size_t len) +{ + loff_t rounding; + loff_t ioffset; + loff_t iendoffset; + loff_t bs; + int ret; + + bs = inode->i_sb->s_blocksize; + inode_dio_wait(inode); + + rounding = max_t(xfs_off_t, bs, PAGE_SIZE); + ioffset = round_down(offset, rounding); + iendoffset = round_up(offset + len, rounding) - 1; + ret = filemap_write_and_wait_range(inode->i_mapping, ioffset, + iendoffset); + return ret; +} + +/* Hook up to the VFS reflink function */ +STATIC int +xfs_file_share_range( + struct file *file_in, + loff_t pos_in, + struct file *file_out, + loff_t pos_out, + u64 len) +{ + struct inode *inode_in; + struct inode *inode_out; + ssize_t ret; + loff_t bs; + loff_t isize; + int same_inode; + loff_t blen; + + inode_in = file_inode(file_in); + inode_out = file_inode(file_out); + bs = inode_out->i_sb->s_blocksize; + + /* Don't touch certain kinds of inodes */ + if (IS_IMMUTABLE(inode_out)) + return -EPERM; + if (IS_SWAPFILE(inode_in) || + IS_SWAPFILE(inode_out)) + return -ETXTBSY; + + /* Reflink only works within this filesystem. */ + if (inode_in->i_sb != inode_out->i_sb) + return -EXDEV; + same_inode = (inode_in->i_ino == inode_out->i_ino); + + /* Don't reflink dirs, pipes, sockets... */ + if (S_ISDIR(inode_in->i_mode) || S_ISDIR(inode_out->i_mode)) + return -EISDIR; + if (S_ISFIFO(inode_in->i_mode) || S_ISFIFO(inode_out->i_mode)) + return -EINVAL; + if (!S_ISREG(inode_in->i_mode) || !S_ISREG(inode_out->i_mode)) + return -EINVAL; + + /* Are we going all the way to the end? */ + isize = i_size_read(inode_in); + if (isize == 0) + return 0; + if (len == 0) + len = isize - pos_in; + + /* Ensure offsets don't wrap and the input is inside i_size */ + if (pos_in + len < pos_in || pos_out + len < pos_out || + pos_in + len > isize) + return -EINVAL; + + /* If we're linking to EOF, continue to the block boundary. */ + if (pos_in + len == isize) + blen = ALIGN(isize, bs) - pos_in; + else + blen = len; + + /* Only reflink if we're aligned to block boundaries */ + if (!IS_ALIGNED(pos_in, bs) || !IS_ALIGNED(pos_in + blen, bs) || + !IS_ALIGNED(pos_out, bs) || !IS_ALIGNED(pos_out + blen, bs)) + return -EINVAL; + + /* Don't allow overlapped reflink within the same file */ + if (same_inode && pos_out + blen > pos_in && pos_out < pos_in + blen) + return -EINVAL; + + /* Wait for the completion of any pending IOs on srcfile */ + ret = xfs_file_wait_for_io(inode_in, pos_in, len); + if (ret) + goto out_unlock; + ret = xfs_file_wait_for_io(inode_out, pos_out, len); + if (ret) + goto out_unlock; + + ret = xfs_reflink_remap_range(XFS_I(inode_in), pos_in, XFS_I(inode_out), + pos_out, len); + if (ret < 0) + goto out_unlock; + +out_unlock: + return ret; +} + +STATIC ssize_t +xfs_file_copy_range( + struct file *file_in, + loff_t pos_in, + struct file *file_out, + loff_t pos_out, + size_t len, + unsigned int flags) +{ + int error; + + error = xfs_file_share_range(file_in, pos_in, file_out, pos_out, + len); + if (error) + return error; + return len; +} + +STATIC int +xfs_file_clone_range( + struct file *file_in, + loff_t pos_in, + struct file *file_out, + loff_t pos_out, + u64 len) +{ + return xfs_file_share_range(file_in, pos_in, file_out, pos_out, + len); +} STATIC int xfs_file_open( @@ -1719,6 +1859,8 @@ const struct file_operations xfs_file_operations = { .release = xfs_file_release, .fsync = xfs_file_fsync, .fallocate = xfs_file_fallocate, + .copy_file_range = xfs_file_copy_range, + .clone_file_range = xfs_file_clone_range, }; const struct file_operations xfs_dir_file_operations = { diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index dbca737..0e06a82 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -41,6 +41,7 @@ #include "xfs_trans.h" #include "xfs_pnfs.h" #include "xfs_acl.h" +#include "xfs_reflink.h" #include #include @@ -49,6 +50,7 @@ #include #include #include +#include /* * xfs_find_handle maps from userspace xfs_fsop_handlereq structure to From darrick.wong@oracle.com Thu Jun 16 20:27:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B4A987E18 for ; Thu, 16 Jun 2016 20:27:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 65624304039 for ; Thu, 16 Jun 2016 18:27:46 -0700 (PDT) X-ASG-Debug-ID: 1466126863-04bdf01e1795c50001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id bSGae2V5BbLZD1D8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:43 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Rfmn011428 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:27:41 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Rf21018901 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:27:41 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1ReiJ029521; Fri, 17 Jun 2016 01:27:41 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:40 -0700 Subject: [PATCH 091/119] xfs: add dedupe range vfs function From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 091/119] xfs: add dedupe range vfs function To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:37 -0700 Message-ID: <146612685727.12839.7433660689105580169.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126863 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9356 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Define a VFS function which allows userspace to request that the kernel reflink a range of blocks between two files if the ranges' contents match. The function fits the new VFS ioctl that standardizes the checking for the btrfs EXTENT SAME ioctl. v2: Plug into the VFS function pointers instead of handling ioctls directly, and lock the pages so they don't disappear while we're trying to compare them. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_fs.h | 30 +++++++++++ fs/xfs/xfs_file.c | 48 +++++++++++++++++- fs/xfs/xfs_reflink.c | 127 ++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 5 ++ 4 files changed, 204 insertions(+), 6 deletions(-) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 788e006..6230230 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -542,8 +542,38 @@ struct xfs_clone_args { __u64 dest_offset; }; +/* extent-same (dedupe) ioctls; these MUST match the btrfs ioctl definitions */ +#define XFS_EXTENT_DATA_SAME 0 +#define XFS_EXTENT_DATA_DIFFERS 1 + +/* from struct btrfs_ioctl_file_extent_same_info */ +struct xfs_extent_data_info { + __s64 fd; /* in - destination file */ + __u64 logical_offset; /* in - start of extent in destination */ + __u64 bytes_deduped; /* out - total # of bytes we were able + * to dedupe from this file */ + /* status of this dedupe operation: + * < 0 for error + * == XFS_EXTENT_DATA_SAME if dedupe succeeds + * == XFS_EXTENT_DATA_DIFFERS if data differs + */ + __s32 status; /* out - see above description */ + __u32 reserved; +}; + +/* from struct btrfs_ioctl_file_extent_same_args */ +struct xfs_extent_data { + __u64 logical_offset; /* in - start of extent in source */ + __u64 length; /* in - length of extent */ + __u16 dest_count; /* in - total elements in info array */ + __u16 reserved1; + __u32 reserved2; + struct xfs_extent_data_info info[0]; +}; + #define XFS_IOC_CLONE _IOW (0x94, 9, int) #define XFS_IOC_CLONE_RANGE _IOW (0x94, 13, struct xfs_clone_args) +#define XFS_IOC_FILE_EXTENT_SAME _IOWR(0x94, 54, struct xfs_extent_data) #ifndef HAVE_BBMACROS /* diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index c2953bd..02e9139 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1083,7 +1083,8 @@ xfs_file_share_range( loff_t pos_in, struct file *file_out, loff_t pos_out, - u64 len) + u64 len, + bool is_dedupe) { struct inode *inode_in; struct inode *inode_out; @@ -1092,6 +1093,7 @@ xfs_file_share_range( loff_t isize; int same_inode; loff_t blen; + unsigned int flags = 0; inode_in = file_inode(file_in); inode_out = file_inode(file_out); @@ -1129,6 +1131,15 @@ xfs_file_share_range( pos_in + len > isize) return -EINVAL; + /* Don't allow dedupe past EOF in the dest file */ + if (is_dedupe) { + loff_t disize; + + disize = i_size_read(inode_out); + if (pos_out >= disize || pos_out + len > disize) + return -EINVAL; + } + /* If we're linking to EOF, continue to the block boundary. */ if (pos_in + len == isize) blen = ALIGN(isize, bs) - pos_in; @@ -1152,8 +1163,10 @@ xfs_file_share_range( if (ret) goto out_unlock; + if (is_dedupe) + flags |= XFS_REFLINK_DEDUPE; ret = xfs_reflink_remap_range(XFS_I(inode_in), pos_in, XFS_I(inode_out), - pos_out, len); + pos_out, len, flags); if (ret < 0) goto out_unlock; @@ -1173,7 +1186,7 @@ xfs_file_copy_range( int error; error = xfs_file_share_range(file_in, pos_in, file_out, pos_out, - len); + len, false); if (error) return error; return len; @@ -1188,7 +1201,33 @@ xfs_file_clone_range( u64 len) { return xfs_file_share_range(file_in, pos_in, file_out, pos_out, - len); + len, false); +} + +#define XFS_MAX_DEDUPE_LEN (16 * 1024 * 1024) +STATIC ssize_t +xfs_file_dedupe_range( + struct file *src_file, + u64 loff, + u64 len, + struct file *dst_file, + u64 dst_loff) +{ + int error; + + /* + * Limit the total length we will dedupe for each operation. + * This is intended to bound the total time spent in this + * ioctl to something sane. + */ + if (len > XFS_MAX_DEDUPE_LEN) + len = XFS_MAX_DEDUPE_LEN; + + error = xfs_file_share_range(src_file, loff, dst_file, dst_loff, + len, true); + if (error) + return error; + return len; } STATIC int @@ -1861,6 +1900,7 @@ const struct file_operations xfs_file_operations = { .fallocate = xfs_file_fallocate, .copy_file_range = xfs_file_copy_range, .clone_file_range = xfs_file_clone_range, + .dedupe_file_range = xfs_file_dedupe_range, }; const struct file_operations xfs_dir_file_operations = { diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index c01c0c7..c42a6e1 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1231,6 +1231,111 @@ err: } /* + * Read a page's worth of file data into the page cache. Return the page + * locked. + */ +static struct page * +xfs_get_page( + struct inode *inode, + xfs_off_t offset) +{ + struct address_space *mapping; + struct page *page; + pgoff_t n; + + n = offset >> PAGE_SHIFT; + mapping = inode->i_mapping; + page = read_mapping_page(mapping, n, NULL); + if (IS_ERR(page)) + return page; + if (!PageUptodate(page)) { + put_page(page); + return ERR_PTR(-EIO); + } + lock_page(page); + return page; +} + +/* + * Compare extents of two files to see if they are the same. + */ +static int +xfs_compare_extents( + struct inode *src, + xfs_off_t srcoff, + struct inode *dest, + xfs_off_t destoff, + xfs_off_t len, + bool *is_same) +{ + xfs_off_t src_poff; + xfs_off_t dest_poff; + void *src_addr; + void *dest_addr; + struct page *src_page; + struct page *dest_page; + xfs_off_t cmp_len; + bool same; + int error; + + error = -EINVAL; + same = true; + while (len) { + src_poff = srcoff & (PAGE_SIZE - 1); + dest_poff = destoff & (PAGE_SIZE - 1); + cmp_len = min(PAGE_SIZE - src_poff, + PAGE_SIZE - dest_poff); + cmp_len = min(cmp_len, len); + ASSERT(cmp_len > 0); + + trace_xfs_reflink_compare_extents(XFS_I(src), srcoff, cmp_len, + XFS_I(dest), destoff); + + src_page = xfs_get_page(src, srcoff); + if (IS_ERR(src_page)) { + error = PTR_ERR(src_page); + goto out_error; + } + dest_page = xfs_get_page(dest, destoff); + if (IS_ERR(dest_page)) { + error = PTR_ERR(dest_page); + unlock_page(src_page); + put_page(src_page); + goto out_error; + } + src_addr = kmap_atomic(src_page); + dest_addr = kmap_atomic(dest_page); + + flush_dcache_page(src_page); + flush_dcache_page(dest_page); + + if (memcmp(src_addr + src_poff, dest_addr + dest_poff, cmp_len)) + same = false; + + kunmap_atomic(dest_addr); + kunmap_atomic(src_addr); + unlock_page(dest_page); + unlock_page(src_page); + put_page(dest_page); + put_page(src_page); + + if (!same) + break; + + srcoff += cmp_len; + destoff += cmp_len; + len -= cmp_len; + } + + *is_same = same; + return 0; + +out_error: + trace_xfs_reflink_compare_extents_error(XFS_I(dest), error, _RET_IP_); + return error; +} + +/* * Link a range of blocks from one file to another. */ int @@ -1239,12 +1344,14 @@ xfs_reflink_remap_range( xfs_off_t srcoff, struct xfs_inode *dest, xfs_off_t destoff, - xfs_off_t len) + xfs_off_t len, + unsigned int flags) { struct xfs_mount *mp = src->i_mount; xfs_fileoff_t sfsbno, dfsbno; xfs_filblks_t fsblen; int error; + bool is_same; if (!xfs_sb_version_hasreflink(&mp->m_sb)) return -EOPNOTSUPP; @@ -1256,6 +1363,9 @@ xfs_reflink_remap_range( if (XFS_IS_REALTIME_INODE(src) || XFS_IS_REALTIME_INODE(dest)) return -EINVAL; + if (flags & ~XFS_REFLINK_ALL) + return -EINVAL; + trace_xfs_reflink_remap_range(src, srcoff, len, dest, destoff); /* Lock both files against IO */ @@ -1267,6 +1377,21 @@ xfs_reflink_remap_range( xfs_lock_two_inodes(src, dest, XFS_MMAPLOCK_EXCL); } + /* + * Check that the extents are the same. + */ + if (flags & XFS_REFLINK_DEDUPE) { + is_same = false; + error = xfs_compare_extents(VFS_I(src), srcoff, VFS_I(dest), + destoff, len, &is_same); + if (error) + goto out_error; + if (!is_same) { + error = -EBADE; + goto out_error; + } + } + error = xfs_reflink_set_inode_flag(src, dest); if (error) goto out_error; diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 92c0ebd..1d38b97 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -43,8 +43,11 @@ extern int xfs_reflink_end_cow(struct xfs_inode *ip, xfs_off_t offset, extern int xfs_reflink_recover_cow(struct xfs_mount *mp); +#define XFS_REFLINK_DEDUPE 1 /* only reflink if contents match */ +#define XFS_REFLINK_ALL (XFS_REFLINK_DEDUPE) extern int xfs_reflink_remap_range(struct xfs_inode *src, xfs_off_t srcoff, - struct xfs_inode *dest, xfs_off_t destoff, xfs_off_t len); + struct xfs_inode *dest, xfs_off_t destoff, xfs_off_t len, + unsigned int flags); /* xfs_aops.c */ extern int xfs_map_cow_blocks(struct inode *inode, xfs_off_t offset, From darrick.wong@oracle.com Thu Jun 16 20:27:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8269D7E18 for ; Thu, 16 Jun 2016 20:27:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 09A73AC002 for ; Thu, 16 Jun 2016 18:27:54 -0700 (PDT) X-ASG-Debug-ID: 1466126872-04cb6c542657af0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id grY7dFKe2qNUe7M6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1RlVl011442 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:47 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Rl8M020533 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:47 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Rl85029531; Fri, 17 Jun 2016 01:27:47 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:46 -0700 Subject: [PATCH 092/119] xfs: teach get_bmapx and fiemap about shared extents and the CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 092/119] xfs: teach get_bmapx and fiemap about shared extents and the CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:45 -0700 Message-ID: <146612686537.12839.9576429345676177064.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126872 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5849 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Teach xfs_getbmapx how to report shared extents and CoW fork contents, then modify the FIEMAP formatters to set the appropriate flags. A previous version of this patch only modified the fiemap formatter, which is insufficient. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_fs.h | 4 ++- fs/xfs/xfs_bmap_util.c | 66 ++++++++++++++++++++++++++++++++++++++++++------ fs/xfs/xfs_iops.c | 2 + 3 files changed, 63 insertions(+), 9 deletions(-) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 6230230..b1af423 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -81,14 +81,16 @@ struct getbmapx { #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ +#define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */ #define BMV_IF_VALID \ (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ - BMV_IF_DELALLOC|BMV_IF_NO_HOLES) + BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) /* bmv_oflags values - returned for each non-header segment */ #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ #define BMV_OF_LAST 0x4 /* segment is the last in the file */ +#define BMV_OF_SHARED 0x8 /* segment shared with another file */ /* * Structure for XFS_IOC_FSSETDM. diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 9285111..3d71a17 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -44,6 +44,7 @@ #include "xfs_rmap_btree.h" #include "xfs_iomap.h" #include "xfs_reflink.h" +#include "xfs_refcount.h" /* Kernel only BMAP related definitions and functions */ @@ -391,6 +392,7 @@ xfs_bmap_count_blocks( STATIC int xfs_getbmapx_fix_eof_hole( xfs_inode_t *ip, /* xfs incore inode pointer */ + int whichfork, struct getbmapx *out, /* output structure */ int prealloced, /* this is a file with * preallocated data space */ @@ -420,7 +422,7 @@ xfs_getbmapx_fix_eof_hole( else out->bmv_block = xfs_fsb_to_db(ip, startblock); fileblock = XFS_BB_TO_FSB(ip->i_mount, out->bmv_offset); - ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + ifp = XFS_IFORK_PTR(ip, whichfork); if (xfs_iext_bno_to_ext(ifp, fileblock, &lastx) && (lastx == (ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t))-1)) out->bmv_oflags |= BMV_OF_LAST; @@ -464,9 +466,19 @@ xfs_getbmap( mp = ip->i_mount; iflags = bmv->bmv_iflags; - whichfork = iflags & BMV_IF_ATTRFORK ? XFS_ATTR_FORK : XFS_DATA_FORK; - if (whichfork == XFS_ATTR_FORK) { + if ((iflags & BMV_IF_ATTRFORK) && (iflags & BMV_IF_COWFORK)) + return -EINVAL; + + if (iflags & BMV_IF_ATTRFORK) + whichfork = XFS_ATTR_FORK; + else if (iflags & BMV_IF_COWFORK) + whichfork = XFS_COW_FORK; + else + whichfork = XFS_DATA_FORK; + + switch (whichfork) { + case XFS_ATTR_FORK: if (XFS_IFORK_Q(ip)) { if (ip->i_d.di_aformat != XFS_DINODE_FMT_EXTENTS && ip->i_d.di_aformat != XFS_DINODE_FMT_BTREE && @@ -482,7 +494,15 @@ xfs_getbmap( prealloced = 0; fixlen = 1LL << 32; - } else { + break; + case XFS_COW_FORK: + if (ip->i_cformat != XFS_DINODE_FMT_EXTENTS) + return -EINVAL; + + prealloced = 0; + fixlen = XFS_ISIZE(ip); + break; + default: if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && ip->i_d.di_format != XFS_DINODE_FMT_BTREE && ip->i_d.di_format != XFS_DINODE_FMT_LOCAL) @@ -496,6 +516,7 @@ xfs_getbmap( prealloced = 0; fixlen = XFS_ISIZE(ip); } + break; } if (bmv->bmv_length == -1) { @@ -522,7 +543,8 @@ xfs_getbmap( return -ENOMEM; xfs_ilock(ip, XFS_IOLOCK_SHARED); - if (whichfork == XFS_DATA_FORK) { + switch (whichfork) { + case XFS_DATA_FORK: if (!(iflags & BMV_IF_DELALLOC) && (ip->i_delayed_blks || XFS_ISIZE(ip) > ip->i_d.di_size)) { error = filemap_write_and_wait(VFS_I(ip)->i_mapping); @@ -540,8 +562,14 @@ xfs_getbmap( } lock = xfs_ilock_data_map_shared(ip); - } else { + break; + case XFS_COW_FORK: + lock = XFS_ILOCK_SHARED; + xfs_ilock(ip, lock); + break; + case XFS_ATTR_FORK: lock = xfs_ilock_attr_map_shared(ip); + break; } /* @@ -616,8 +644,30 @@ xfs_getbmap( goto out_free_map; } - if (!xfs_getbmapx_fix_eof_hole(ip, &out[cur_ext], - prealloced, bmvend, + /* Is this a shared block? */ + if (whichfork == XFS_DATA_FORK && + map[i].br_startblock != DELAYSTARTBLOCK && + map[i].br_startblock != HOLESTARTBLOCK && + !ISUNWRITTEN(&map[i]) && xfs_is_reflink_inode(ip)) { + xfs_agblock_t ebno; + xfs_extlen_t elen; + + error = xfs_refcount_find_shared(mp, + XFS_FSB_TO_AGNO(mp, + map[i].br_startblock), + XFS_FSB_TO_AGBNO(mp, + map[i].br_startblock), + map[i].br_blockcount, + &ebno, &elen, true); + if (error) + goto out_free_map; + if (elen) + out[cur_ext].bmv_oflags |= + BMV_OF_SHARED; + } + + if (!xfs_getbmapx_fix_eof_hole(ip, whichfork, + &out[cur_ext], prealloced, bmvend, map[i].br_startblock)) goto out_free_map; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index c5d4eba..e57bfe8 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1025,6 +1025,8 @@ xfs_fiemap_format( if (bmv->bmv_oflags & BMV_OF_PREALLOC) fiemap_flags |= FIEMAP_EXTENT_UNWRITTEN; + else if (bmv->bmv_oflags & BMV_OF_SHARED) + fiemap_flags |= FIEMAP_EXTENT_SHARED; else if (bmv->bmv_oflags & BMV_OF_DELALLOC) { fiemap_flags |= (FIEMAP_EXTENT_DELALLOC | FIEMAP_EXTENT_UNKNOWN); From darrick.wong@oracle.com Thu Jun 16 20:27:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6941B7E88 for ; Thu, 16 Jun 2016 20:27:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1B5048F804C for ; Thu, 16 Jun 2016 18:27:59 -0700 (PDT) X-ASG-Debug-ID: 1466126877-04bdf01e1795c70001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id WUpIqMY2znjDlB5J (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:27:57 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1RsNR030716 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:27:55 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1RsYv019121 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:27:54 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Rrxk020972; Fri, 17 Jun 2016 01:27:53 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:53 -0700 Subject: [PATCH 093/119] xfs: swap inode reflink flags when swapping inode extents From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 093/119] xfs: swap inode reflink flags when swapping inode extents To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:51 -0700 Message-ID: <146612687170.12839.4966658279995436156.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126877 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1316 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we're swapping the extents of two inodes, be sure to swap the reflink inode flag too. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_bmap_util.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 3d71a17..a5f5515 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1735,6 +1735,8 @@ xfs_swap_extents( int taforkblks = 0; __uint64_t tmp; int lock_flags; + struct xfs_ifork *cowfp; + __uint64_t f; /* XXX: we can't do this with rmap, will fix later */ if (xfs_sb_version_hasrmapbt(&mp->m_sb)) @@ -1948,6 +1950,19 @@ xfs_swap_extents( break; } + /* Do we have to swap reflink flags? */ + if ((ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK) ^ + (tip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK)) { + f = ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK; + ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + ip->i_d.di_flags2 |= tip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK; + tip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + tip->i_d.di_flags2 |= f & XFS_DIFLAG2_REFLINK; + cowfp = ip->i_cowfp; + ip->i_cowfp = tip->i_cowfp; + tip->i_cowfp = cowfp; + } + xfs_trans_log_inode(tp, ip, src_log_flags); xfs_trans_log_inode(tp, tip, target_log_flags); From darrick.wong@oracle.com Thu Jun 16 20:28:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 11FC07EAE for ; Thu, 16 Jun 2016 20:28:10 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id B97C48F804C for ; Thu, 16 Jun 2016 18:28:09 -0700 (PDT) X-ASG-Debug-ID: 1466126886-04bdf01e1095c70001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id cTlEJpWOx9oClJjB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1S2Jf030981 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:28:03 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1S2v2019533 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:02 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Rx4e008782; Fri, 17 Jun 2016 01:28:01 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:27:59 -0700 Subject: [PATCH 094/119] xfs: unshare a range of blocks via fallocate From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 094/119] xfs: unshare a range of blocks via fallocate To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:27:58 -0700 Message-ID: <146612687793.12839.6066978539560923776.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126887 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10128 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Now that we have an fallocate flag to unshare a range of blocks, make XFS actually implement it. v2: NFS doesn't pass around struct file pointers, which means that our unshare functions all crash when filp == NULL. We don't need filp anyway, so remove all the parts where we pass filp around. Signed-off-by: Darrick J. Wong [hch@lst.de: pass inode instead of file to xfs_reflink_dirty_range] Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_file.c | 6 + fs/xfs/xfs_reflink.c | 314 ++++++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 2 3 files changed, 321 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 02e9139..618bd12 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1011,9 +1011,13 @@ xfs_file_fallocate( if (mode & FALLOC_FL_ZERO_RANGE) error = xfs_zero_file_space(ip, offset, len); - else + else { + error = xfs_reflink_unshare(ip, offset, len); + if (error) + goto out_unlock; error = xfs_alloc_file_space(ip, offset, len, XFS_BMAPI_PREALLOC); + } if (error) goto out_unlock; } diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index c42a6e1..78f24c3 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1426,3 +1426,317 @@ out_error: trace_xfs_reflink_remap_range_error(dest, error, _RET_IP_); return error; } + +/* + * Dirty all the shared blocks within a byte range of a file so that they're + * rewritten elsewhere. Similar to generic_perform_write(). + */ +static int +xfs_reflink_dirty_range( + struct inode *inode, + xfs_off_t pos, + xfs_off_t len) +{ + struct address_space *mapping; + const struct address_space_operations *a_ops; + int error; + unsigned int flags; + struct page *page; + struct page *rpage; + unsigned long offset; /* Offset into pagecache page */ + unsigned long bytes; /* Bytes to write to page */ + void *fsdata; + + mapping = inode->i_mapping; + a_ops = mapping->a_ops; + flags = AOP_FLAG_UNINTERRUPTIBLE; + do { + + offset = (pos & (PAGE_SIZE - 1)); + bytes = min_t(unsigned long, PAGE_SIZE - offset, len); + rpage = xfs_get_page(inode, pos); + if (IS_ERR(rpage)) { + error = PTR_ERR(rpage); + break; + } + + unlock_page(rpage); + error = a_ops->write_begin(NULL, mapping, pos, bytes, flags, + &page, &fsdata); + put_page(rpage); + if (error < 0) + break; + + trace_xfs_reflink_unshare_page(inode, page, pos, bytes); + + if (!PageUptodate(page)) { + xfs_err(XFS_I(inode)->i_mount, + "%s: STALE? ino=%llu pos=%llu\n", + __func__, XFS_I(inode)->i_ino, pos); + WARN_ON(1); + } + if (mapping_writably_mapped(mapping)) + flush_dcache_page(page); + + error = a_ops->write_end(NULL, mapping, pos, bytes, bytes, + page, fsdata); + if (error < 0) + break; + else if (error == 0) { + error = -EIO; + break; + } else { + bytes = error; + error = 0; + } + + cond_resched(); + + pos += bytes; + len -= bytes; + + balance_dirty_pages_ratelimited(mapping); + if (fatal_signal_pending(current)) { + error = -EINTR; + break; + } + } while (len > 0); + + return error; +} + +/* + * The user wants to preemptively CoW all shared blocks in this file, + * which enables us to turn off the reflink flag. Iterate all + * extents which are not prealloc/delalloc to see which ranges are + * mentioned in the refcount tree, then read those blocks into the + * pagecache, dirty them, fsync them back out, and then we can update + * the inode flag. What happens if we run out of memory? :) + */ +STATIC int +xfs_reflink_dirty_extents( + struct xfs_inode *ip, + xfs_fileoff_t fbno, + xfs_filblks_t end, + xfs_off_t isize) +{ + struct xfs_mount *mp = ip->i_mount; + xfs_agnumber_t agno; + xfs_agblock_t agbno; + xfs_extlen_t aglen; + xfs_agblock_t rbno; + xfs_extlen_t rlen; + xfs_off_t fpos; + xfs_off_t flen; + struct xfs_bmbt_irec map[2]; + int nmaps; + int error; + + while (end - fbno > 0) { + nmaps = 1; + /* + * Look for extents in the file. Skip holes, delalloc, or + * unwritten extents; they can't be reflinked. + */ + error = xfs_bmapi_read(ip, fbno, end - fbno, map, &nmaps, 0); + if (error) + goto out; + if (nmaps == 0) + break; + if (map[0].br_startblock == HOLESTARTBLOCK || + map[0].br_startblock == DELAYSTARTBLOCK || + ISUNWRITTEN(&map[0])) + goto next; + + map[1] = map[0]; + while (map[1].br_blockcount) { + agno = XFS_FSB_TO_AGNO(mp, map[1].br_startblock); + agbno = XFS_FSB_TO_AGBNO(mp, map[1].br_startblock); + aglen = map[1].br_blockcount; + + error = xfs_refcount_find_shared(mp, agno, agbno, aglen, + &rbno, &rlen, true); + if (error) + goto out; + if (rlen == 0) + goto skip_copy; + + /* Dirty the pages */ + xfs_iunlock(ip, XFS_ILOCK_EXCL); + fpos = XFS_FSB_TO_B(mp, map[1].br_startoff + + (rbno - agbno)); + flen = XFS_FSB_TO_B(mp, rlen); + if (fpos + flen > isize) + flen = isize - fpos; + error = xfs_reflink_dirty_range(VFS_I(ip), fpos, flen); + xfs_ilock(ip, XFS_ILOCK_EXCL); + if (error) + goto out; +skip_copy: + map[1].br_blockcount -= (rbno - agbno + rlen); + map[1].br_startoff += (rbno - agbno + rlen); + map[1].br_startblock += (rbno - agbno + rlen); + } + +next: + fbno = map[0].br_startoff + map[0].br_blockcount; + } +out: + return error; +} + +/* Iterate the extents; if there are no reflinked blocks, clear the flag. */ +STATIC int +xfs_reflink_try_clear_inode_flag( + struct xfs_inode *ip, + xfs_off_t old_isize) +{ + struct xfs_mount *mp = ip->i_mount; + struct xfs_trans *tp; + xfs_fileoff_t fbno; + xfs_filblks_t end; + xfs_agnumber_t agno; + xfs_agblock_t agbno; + xfs_extlen_t aglen; + xfs_agblock_t rbno; + xfs_extlen_t rlen; + struct xfs_bmbt_irec map[2]; + int nmaps; + int error = 0; + + /* Start a rolling transaction to remove the mappings */ + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, 0, &tp); + if (error) + return error; + + xfs_ilock(ip, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, ip, 0); + + if (old_isize != i_size_read(VFS_I(ip))) + goto cancel; + if (!(ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK)) + goto cancel; + + fbno = 0; + end = XFS_B_TO_FSB(mp, old_isize); + while (end - fbno > 0) { + nmaps = 1; + /* + * Look for extents in the file. Skip holes, delalloc, or + * unwritten extents; they can't be reflinked. + */ + error = xfs_bmapi_read(ip, fbno, end - fbno, map, &nmaps, 0); + if (error) + goto cancel; + if (nmaps == 0) + break; + if (map[0].br_startblock == HOLESTARTBLOCK || + map[0].br_startblock == DELAYSTARTBLOCK || + ISUNWRITTEN(&map[0])) + goto next; + + map[1] = map[0]; + while (map[1].br_blockcount) { + agno = XFS_FSB_TO_AGNO(mp, map[1].br_startblock); + agbno = XFS_FSB_TO_AGBNO(mp, map[1].br_startblock); + aglen = map[1].br_blockcount; + + error = xfs_refcount_find_shared(mp, agno, agbno, aglen, + &rbno, &rlen, false); + if (error) + goto cancel; + /* Is there still a shared block here? */ + if (rlen > 0) { + error = 0; + goto cancel; + } + + map[1].br_blockcount -= aglen; + map[1].br_startoff += aglen; + map[1].br_startblock += aglen; + } + +next: + fbno = map[0].br_startoff + map[0].br_blockcount; + } + + /* + * We didn't find any shared blocks so turn off the reflink flag. + * First, get rid of any leftover CoW mappings. + */ + error = xfs_reflink_cancel_cow_blocks(ip, &tp, 0, NULLFILEOFF); + if (error) + goto cancel; + + /* Clear the inode flag. */ + trace_xfs_reflink_unset_inode_flag(ip); + ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + xfs_trans_ijoin(tp, ip, 0); + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + + error = xfs_trans_commit(tp); + if (error) + goto out; + + xfs_iunlock(ip, XFS_ILOCK_EXCL); + return 0; +cancel: + xfs_trans_cancel(tp); +out: + xfs_iunlock(ip, XFS_ILOCK_EXCL); + return error; +} + +/* + * Pre-COW all shared blocks within a given byte range of a file and turn off + * the reflink flag if we unshare all of the file's blocks. + */ +int +xfs_reflink_unshare( + struct xfs_inode *ip, + xfs_off_t offset, + xfs_off_t len) +{ + struct xfs_mount *mp = ip->i_mount; + xfs_fileoff_t fbno; + xfs_filblks_t end; + xfs_off_t old_isize, isize; + int error; + + if (!xfs_is_reflink_inode(ip)) + return 0; + + trace_xfs_reflink_unshare(ip, offset, len); + + inode_dio_wait(VFS_I(ip)); + + /* Try to CoW the selected ranges */ + xfs_ilock(ip, XFS_ILOCK_EXCL); + fbno = XFS_B_TO_FSB(mp, offset); + old_isize = isize = i_size_read(VFS_I(ip)); + end = XFS_B_TO_FSB(mp, offset + len); + error = xfs_reflink_dirty_extents(ip, fbno, end, isize); + if (error) + goto out_unlock; + xfs_iunlock(ip, XFS_ILOCK_EXCL); + + /* Wait for the IO to finish */ + error = filemap_write_and_wait(VFS_I(ip)->i_mapping); + if (error) + goto out; + + /* Turn off the reflink flag if we unshared the whole file */ + if (offset == 0 && len == isize) { + error = xfs_reflink_try_clear_inode_flag(ip, old_isize); + if (error) + goto out; + } + + return 0; + +out_unlock: + xfs_iunlock(ip, XFS_ILOCK_EXCL); +out: + trace_xfs_reflink_unshare_error(ip, error, _RET_IP_); + return error; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 1d38b97..a369b2a 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -48,6 +48,8 @@ extern int xfs_reflink_recover_cow(struct xfs_mount *mp); extern int xfs_reflink_remap_range(struct xfs_inode *src, xfs_off_t srcoff, struct xfs_inode *dest, xfs_off_t destoff, xfs_off_t len, unsigned int flags); +extern int xfs_reflink_unshare(struct xfs_inode *ip, xfs_off_t offset, + xfs_off_t len); /* xfs_aops.c */ extern int xfs_map_cow_blocks(struct inode *inode, xfs_off_t offset, From darrick.wong@oracle.com Thu Jun 16 20:28:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B27AF7EEB for ; Thu, 16 Jun 2016 20:28:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 844578F804C for ; Thu, 16 Jun 2016 18:28:13 -0700 (PDT) X-ASG-Debug-ID: 1466126891-04cbb01fec69990001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id SGlPzdMEBTTBu1Wo (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:12 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1S6eI011748 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:06 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1S6hD021004 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:06 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1S6hD029653; Fri, 17 Jun 2016 01:28:06 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:05 -0700 Subject: [PATCH 095/119] xfs: CoW shared EOF block when truncating file From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 095/119] xfs: CoW shared EOF block when truncating file To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:04 -0700 Message-ID: <146612688440.12839.3166686602599403800.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126892 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3189 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When shrinking a file, the VFS zeroes everything in the associated page between the new EOF and the previous EOF to avoid leaking data. If this block is shared we need to CoW it before the VFS does its zeroing to avoid corrupting the other files. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_iops.c | 9 +++++++++ fs/xfs/xfs_reflink.c | 42 ++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 1 + 3 files changed, 52 insertions(+) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index e57bfe8..0fa86bd 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -38,6 +38,7 @@ #include "xfs_dir2.h" #include "xfs_trans_space.h" #include "xfs_pnfs.h" +#include "xfs_reflink.h" #include #include @@ -816,6 +817,14 @@ xfs_setattr_size( } /* + * CoW the EOF block of the file if it's necessary to avoid + * corrupting other files. + */ + error = xfs_reflink_cow_eof_block(ip, newsize); + if (error) + return error; + + /* * We are going to log the inode size change in this transaction so * any previous writes that are beyond the on disk EOF and the new * EOF that have not been written out need to be written here. If we diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 78f24c3..b42ffb0 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1740,3 +1740,45 @@ out: trace_xfs_reflink_unshare_error(ip, error, _RET_IP_); return error; } + +/* + * If we're trying to truncate a file whose last block is shared and the new + * size isn't aligned to a block boundary, we need to dirty that last block + * ahead of the VFS zeroing the page. + */ +int +xfs_reflink_cow_eof_block( + struct xfs_inode *ip, + xfs_off_t newsize) +{ + struct xfs_mount *mp = ip->i_mount; + xfs_fileoff_t fbno; + xfs_off_t isize; + int error; + + if (!xfs_is_reflink_inode(ip) || + (newsize & ((1 << VFS_I(ip)->i_blkbits) - 1)) == 0) + return 0; + + /* Try to CoW the shared last block */ + xfs_ilock(ip, XFS_ILOCK_EXCL); + fbno = XFS_B_TO_FSBT(mp, newsize); + isize = i_size_read(VFS_I(ip)); + + if (newsize > isize) + trace_xfs_reflink_cow_eof_block(ip, isize, newsize - isize); + else + trace_xfs_reflink_cow_eof_block(ip, newsize, isize - newsize); + + error = xfs_reflink_dirty_extents(ip, fbno, fbno + 1, isize); + if (error) + goto out_unlock; + xfs_iunlock(ip, XFS_ILOCK_EXCL); + + return 0; + +out_unlock: + xfs_iunlock(ip, XFS_ILOCK_EXCL); + trace_xfs_reflink_cow_eof_block_error(ip, error, _RET_IP_); + return error; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index a369b2a..437087c5 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -50,6 +50,7 @@ extern int xfs_reflink_remap_range(struct xfs_inode *src, xfs_off_t srcoff, unsigned int flags); extern int xfs_reflink_unshare(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t len); +extern int xfs_reflink_cow_eof_block(struct xfs_inode *ip, xfs_off_t newsize); /* xfs_aops.c */ extern int xfs_map_cow_blocks(struct inode *inode, xfs_off_t offset, From darrick.wong@oracle.com Thu Jun 16 20:28:21 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CC7FC7EF3 for ; Thu, 16 Jun 2016 20:28:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 65809AC002 for ; Thu, 16 Jun 2016 18:28:21 -0700 (PDT) X-ASG-Debug-ID: 1466126899-04bdf01e1595c90001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id ZmGhYMn6FfPgzSU9 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1SEUu011825 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:14 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1SE5r021133 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:14 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1SDnf029664; Fri, 17 Jun 2016 01:28:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:13 -0700 Subject: [PATCH 096/119] xfs: support FS_XFLAG_REFLINK on reflink filesystems From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 096/119] xfs: support FS_XFLAG_REFLINK on reflink filesystems To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:10 -0700 Message-ID: <146612689065.12839.12038513561394516073.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126900 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3000 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add support for reporting the "reflink" inode flag in the XFS-specific getxflags ioctl, and allow the user to clear the flag if file size is zero. v2: Move the reflink flag out of the way of the DAX flag, and add the new cowextsize flag. v3: do not report (or allow changes to) FL_NOCOW_FL, since we don't support a flag to prevent CoWing and the reflink flag is a poor proxy. We'll try to design away the need for the NOCOW flag. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_inode.c | 2 ++ fs/xfs/xfs_ioctl.c | 4 ++++ fs/xfs/xfs_reflink.c | 26 ++++++++++++++++++++++++++ fs/xfs/xfs_reflink.h | 4 ++++ 4 files changed, 36 insertions(+) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index b8d3c4f..127bf54 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -652,6 +652,8 @@ _xfs_dic2xflags( if (di_flags2 & XFS_DIFLAG2_ANY) { if (di_flags2 & XFS_DIFLAG2_DAX) flags |= FS_XFLAG_DAX; + if (di_flags2 & XFS_DIFLAG2_REFLINK) + flags |= FS_XFLAG_REFLINK; } if (has_attr) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 0e06a82..b8eceee 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1258,6 +1258,10 @@ xfs_ioctl_setattr( trace_xfs_ioctl_setattr(ip); + code = xfs_reflink_check_flag_adjust(ip, &fa->fsx_xflags); + if (code) + return code; + code = xfs_ioctl_setattr_check_projid(ip, fa); if (code) return code; diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index b42ffb0..7c64104 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1782,3 +1782,29 @@ out_unlock: trace_xfs_reflink_cow_eof_block_error(ip, error, _RET_IP_); return error; } + +/* + * Ensure that the only change we allow to the inode reflink flag is to clear + * it when the fs supports reflink and the size is zero. + */ +int +xfs_reflink_check_flag_adjust( + struct xfs_inode *ip, + unsigned int *xflags) +{ + unsigned int chg; + + chg = !!(*xflags & FS_XFLAG_REFLINK) ^ !!xfs_is_reflink_inode(ip); + + if (!chg) + return 0; + if (!xfs_sb_version_hasreflink(&ip->i_mount->m_sb)) + return -EOPNOTSUPP; + if (i_size_read(VFS_I(ip)) != 0) + return -EINVAL; + if (*xflags & FS_XFLAG_REFLINK) { + *xflags &= ~FS_XFLAG_REFLINK; + return 0; + } + return 0; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 437087c5..97e8705 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -52,6 +52,10 @@ extern int xfs_reflink_unshare(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t len); extern int xfs_reflink_cow_eof_block(struct xfs_inode *ip, xfs_off_t newsize); +extern void xfs_reflink_get_lxflags(struct xfs_inode *ip, unsigned int *flags); +extern int xfs_reflink_check_flag_adjust(struct xfs_inode *ip, + unsigned int *xflags); + /* xfs_aops.c */ extern int xfs_map_cow_blocks(struct inode *inode, xfs_off_t offset, struct xfs_bmbt_irec *imap); From darrick.wong@oracle.com Thu Jun 16 20:28:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 906A37EFA for ; Thu, 16 Jun 2016 20:28:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 61F6C8F804C for ; Thu, 16 Jun 2016 18:28:27 -0700 (PDT) X-ASG-Debug-ID: 1466126903-04cb6c542657b10001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id HVXCauA4kCamrHJB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:24 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1SLCx031169 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:28:21 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1SLBr019799 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:21 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1SKRH025596; Fri, 17 Jun 2016 01:28:20 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:19 -0700 Subject: [PATCH 097/119] xfs: create a separate cow extent size hint for the allocator From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 097/119] xfs: create a separate cow extent size hint for the allocator To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:18 -0700 Message-ID: <146612689831.12839.939478487228706208.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126904 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 16286 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a per-inode extent size allocator hint for copy-on-write. This hint is separate from the existing extent size hint so that CoW can take advantage of the fragmentation-reducing properties of extent size hints without disabling delalloc for regular writes. The extent size hint that's fed to the allocator during a copy on write operation is the greater of the cowextsize and regular extsize hint. During reflink, if we're sharing the entire source file to the entire destination file and the destination file doesn't already have a cowextsize hint, propagate the source file's cowextsize hint to the destination file. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 13 +++++++- fs/xfs/libxfs/xfs_format.h | 3 +- fs/xfs/libxfs/xfs_fs.h | 3 +- fs/xfs/libxfs/xfs_inode_buf.c | 4 ++ fs/xfs/libxfs/xfs_inode_buf.h | 1 + fs/xfs/libxfs/xfs_log_format.h | 3 +- fs/xfs/xfs_bmap_util.c | 9 ++++- fs/xfs/xfs_inode.c | 33 ++++++++++++++++++++ fs/xfs/xfs_inode.h | 1 + fs/xfs/xfs_inode_item.c | 2 + fs/xfs/xfs_ioctl.c | 67 +++++++++++++++++++++++++++++++++++++++- fs/xfs/xfs_iomap.c | 5 ++- fs/xfs/xfs_itable.c | 5 +++ fs/xfs/xfs_reflink.c | 36 +++++++++++++++++---- 14 files changed, 166 insertions(+), 19 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 0909532..a6c08bf 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -3665,7 +3665,13 @@ xfs_bmap_btalloc( else if (mp->m_dalign) stripe_align = mp->m_dalign; - align = ap->userdata ? xfs_get_extsz_hint(ap->ip) : 0; + if (ap->userdata) { + if (ap->flags & XFS_BMAPI_COWFORK) + align = xfs_get_cowextsz_hint(ap->ip); + else + align = xfs_get_extsz_hint(ap->ip); + } else + align = 0; if (unlikely(align)) { error = xfs_bmap_extsize_align(mp, &ap->got, &ap->prev, align, 0, ap->eof, 0, ap->conv, @@ -4178,7 +4184,10 @@ xfs_bmapi_reserve_delalloc( alen = XFS_FILBLKS_MIN(alen, got->br_startoff - aoff); /* Figure out the extent size, adjust alen */ - extsz = xfs_get_extsz_hint(ip); + if (whichfork == XFS_COW_FORK) + extsz = xfs_get_cowextsz_hint(ip); + else + extsz = xfs_get_extsz_hint(ip); if (extsz) { error = xfs_bmap_extsize_align(mp, got, prev, extsz, rt, eof, 1, 0, &aoff, &alen); diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 3d336e9..a35f4e5 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -890,7 +890,8 @@ typedef struct xfs_dinode { __be64 di_changecount; /* number of attribute changes */ __be64 di_lsn; /* flush sequence */ __be64 di_flags2; /* more random flags */ - __u8 di_pad2[16]; /* more padding for future expansion */ + __be32 di_cowextsize; /* basic cow extent size for file */ + __u8 di_pad2[12]; /* more padding for future expansion */ /* fields only written to during inode creation */ xfs_timestamp_t di_crtime; /* time created */ diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index b1af423..10ebf99 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -278,7 +278,8 @@ typedef struct xfs_bstat { #define bs_projid bs_projid_lo /* (previously just bs_projid) */ __u16 bs_forkoff; /* inode fork offset in bytes */ __u16 bs_projid_hi; /* higher part of project id */ - unsigned char bs_pad[10]; /* pad space, unused */ + unsigned char bs_pad[6]; /* pad space, unused */ + __u32 bs_cowextsize; /* cow extent size */ __u32 bs_dmevmask; /* DMIG event mask */ __u16 bs_dmstate; /* DMIG state info */ __u16 bs_aextents; /* attribute number of extents */ diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 44f325c..2efa42c 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -267,6 +267,7 @@ xfs_inode_from_disk( to->di_crtime.t_sec = be32_to_cpu(from->di_crtime.t_sec); to->di_crtime.t_nsec = be32_to_cpu(from->di_crtime.t_nsec); to->di_flags2 = be64_to_cpu(from->di_flags2); + to->di_cowextsize = be32_to_cpu(from->di_cowextsize); } } @@ -316,7 +317,7 @@ xfs_inode_to_disk( to->di_crtime.t_sec = cpu_to_be32(from->di_crtime.t_sec); to->di_crtime.t_nsec = cpu_to_be32(from->di_crtime.t_nsec); to->di_flags2 = cpu_to_be64(from->di_flags2); - + to->di_cowextsize = cpu_to_be32(from->di_cowextsize); to->di_ino = cpu_to_be64(ip->i_ino); to->di_lsn = cpu_to_be64(lsn); memset(to->di_pad2, 0, sizeof(to->di_pad2)); @@ -368,6 +369,7 @@ xfs_log_dinode_to_disk( to->di_crtime.t_sec = cpu_to_be32(from->di_crtime.t_sec); to->di_crtime.t_nsec = cpu_to_be32(from->di_crtime.t_nsec); to->di_flags2 = cpu_to_be64(from->di_flags2); + to->di_cowextsize = cpu_to_be32(from->di_cowextsize); to->di_ino = cpu_to_be64(from->di_ino); to->di_lsn = cpu_to_be64(from->di_lsn); memcpy(to->di_pad2, from->di_pad2, sizeof(to->di_pad2)); diff --git a/fs/xfs/libxfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h index 958c543..6848a0a 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.h +++ b/fs/xfs/libxfs/xfs_inode_buf.h @@ -47,6 +47,7 @@ struct xfs_icdinode { __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ __uint64_t di_flags2; /* more random flags */ + __uint32_t di_cowextsize; /* basic cow extent size for file */ xfs_ictimestamp_t di_crtime; /* time created */ }; diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index 320a305..9cab67f 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -423,7 +423,8 @@ struct xfs_log_dinode { __uint64_t di_changecount; /* number of attribute changes */ xfs_lsn_t di_lsn; /* flush sequence */ __uint64_t di_flags2; /* more random flags */ - __uint8_t di_pad2[16]; /* more padding for future expansion */ + __uint32_t di_cowextsize; /* basic cow extent size for file */ + __uint8_t di_pad2[12]; /* more padding for future expansion */ /* fields only written to during inode creation */ xfs_ictimestamp_t di_crtime; /* time created */ diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index a5f5515..b0c2c6d5 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -499,8 +499,13 @@ xfs_getbmap( if (ip->i_cformat != XFS_DINODE_FMT_EXTENTS) return -EINVAL; - prealloced = 0; - fixlen = XFS_ISIZE(ip); + if (xfs_get_cowextsz_hint(ip)) { + prealloced = 1; + fixlen = mp->m_super->s_maxbytes; + } else { + prealloced = 0; + fixlen = XFS_ISIZE(ip); + } break; default: if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS && diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 127bf54..480e48a 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -78,6 +78,27 @@ xfs_get_extsz_hint( } /* + * Helper function to extract CoW extent size hint from inode. + * Between the extent size hint and the CoW extent size hint, we + * return the greater of the two. + */ +xfs_extlen_t +xfs_get_cowextsz_hint( + struct xfs_inode *ip) +{ + xfs_extlen_t a, b; + + a = 0; + if (ip->i_d.di_flags2 & XFS_DIFLAG2_COWEXTSIZE) + a = ip->i_d.di_cowextsize; + b = xfs_get_extsz_hint(ip); + + if (a > b) + return a; + return b; +} + +/* * These two are wrapper routines around the xfs_ilock() routine used to * centralize some grungy code. They are used in places that wish to lock the * inode solely for reading the extents. The reason these places can't just @@ -654,6 +675,8 @@ _xfs_dic2xflags( flags |= FS_XFLAG_DAX; if (di_flags2 & XFS_DIFLAG2_REFLINK) flags |= FS_XFLAG_REFLINK; + if (di_flags2 & XFS_DIFLAG2_COWEXTSIZE) + flags |= FS_XFLAG_COWEXTSIZE; } if (has_attr) @@ -837,6 +860,7 @@ xfs_ialloc( if (ip->i_d.di_version == 3) { inode->i_version = 1; ip->i_d.di_flags2 = 0; + ip->i_d.di_cowextsize = 0; ip->i_d.di_crtime.t_sec = (__int32_t)tv.tv_sec; ip->i_d.di_crtime.t_nsec = (__int32_t)tv.tv_nsec; } @@ -899,6 +923,15 @@ xfs_ialloc( ip->i_d.di_flags |= di_flags; ip->i_d.di_flags2 |= di_flags2; } + if (pip && + (pip->i_d.di_flags2 & XFS_DIFLAG2_ANY) && + pip->i_d.di_version == 3 && + ip->i_d.di_version == 3) { + if (pip->i_d.di_flags2 & XFS_DIFLAG2_COWEXTSIZE) { + ip->i_d.di_flags2 |= XFS_DIFLAG2_COWEXTSIZE; + ip->i_d.di_cowextsize = pip->i_d.di_cowextsize; + } + } /* FALLTHROUGH */ case S_IFLNK: ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS; diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 797fcc7..2c1fb3f 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -419,6 +419,7 @@ int xfs_iflush(struct xfs_inode *, struct xfs_buf **); void xfs_lock_two_inodes(xfs_inode_t *, xfs_inode_t *, uint); xfs_extlen_t xfs_get_extsz_hint(struct xfs_inode *ip); +xfs_extlen_t xfs_get_cowextsz_hint(struct xfs_inode *ip); int xfs_dir_ialloc(struct xfs_trans **, struct xfs_inode *, umode_t, xfs_nlink_t, xfs_dev_t, prid_t, int, diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index a1b0761..9a1d62b 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -368,7 +368,7 @@ xfs_inode_to_log_dinode( to->di_crtime.t_sec = from->di_crtime.t_sec; to->di_crtime.t_nsec = from->di_crtime.t_nsec; to->di_flags2 = from->di_flags2; - + to->di_cowextsize = from->di_cowextsize; to->di_ino = ip->i_ino; to->di_lsn = lsn; memset(to->di_pad2, 0, sizeof(to->di_pad2)); diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index b8eceee..d2b4e81 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -900,6 +900,8 @@ xfs_ioc_fsgetxattr( xfs_ilock(ip, XFS_ILOCK_SHARED); fa.fsx_xflags = xfs_ip2xflags(ip); fa.fsx_extsize = ip->i_d.di_extsize << ip->i_mount->m_sb.sb_blocklog; + fa.fsx_cowextsize = ip->i_d.di_cowextsize << + ip->i_mount->m_sb.sb_blocklog; fa.fsx_projid = xfs_get_projid(ip); if (attr) { @@ -970,12 +972,13 @@ xfs_set_diflags( if (ip->i_d.di_version < 3) return; - di_flags2 = 0; + di_flags2 = (ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK); if (xflags & FS_XFLAG_DAX) di_flags2 |= XFS_DIFLAG2_DAX; + if (xflags & FS_XFLAG_COWEXTSIZE) + di_flags2 |= XFS_DIFLAG2_COWEXTSIZE; ip->i_d.di_flags2 = di_flags2; - } STATIC void @@ -1216,6 +1219,56 @@ xfs_ioctl_setattr_check_extsize( return 0; } +/* + * CoW extent size hint validation rules are: + * + * 1. CoW extent size hint can only be set if reflink is enabled on the fs. + * The inode does not have to have any shared blocks, but it must be a v3. + * 2. FS_XFLAG_COWEXTSIZE is only valid for directories and regular files; + * for a directory, the hint is propagated to new files. + * 3. Can be changed on files & directories at any time. + * 4. CoW extsize hint of 0 turns off hints, clears inode flags. + * 5. Extent size must be a multiple of the appropriate block size. + * 6. The extent size hint must be limited to half the AG size to avoid + * alignment extending the extent beyond the limits of the AG. + */ +static int +xfs_ioctl_setattr_check_cowextsize( + struct xfs_inode *ip, + struct fsxattr *fa) +{ + struct xfs_mount *mp = ip->i_mount; + + if (!(fa->fsx_xflags & FS_XFLAG_COWEXTSIZE)) + return 0; + + if (!xfs_sb_version_hasreflink(&ip->i_mount->m_sb) || + ip->i_d.di_version != 3) + return -EINVAL; + + if (!S_ISREG(VFS_I(ip)->i_mode) && !S_ISDIR(VFS_I(ip)->i_mode)) + return -EINVAL; + + if (fa->fsx_cowextsize != 0) { + xfs_extlen_t size; + xfs_fsblock_t cowextsize_fsb; + + cowextsize_fsb = XFS_B_TO_FSB(mp, fa->fsx_cowextsize); + if (cowextsize_fsb > MAXEXTLEN) + return -EINVAL; + + size = mp->m_sb.sb_blocksize; + if (cowextsize_fsb > mp->m_sb.sb_agblocks / 2) + return -EINVAL; + + if (fa->fsx_cowextsize % size) + return -EINVAL; + } else + fa->fsx_xflags &= ~FS_XFLAG_COWEXTSIZE; + + return 0; +} + static int xfs_ioctl_setattr_check_projid( struct xfs_inode *ip, @@ -1312,6 +1365,10 @@ xfs_ioctl_setattr( if (code) goto error_trans_cancel; + code = xfs_ioctl_setattr_check_cowextsize(ip, fa); + if (code) + goto error_trans_cancel; + code = xfs_ioctl_setattr_xflags(tp, ip, fa); if (code) goto error_trans_cancel; @@ -1347,6 +1404,12 @@ xfs_ioctl_setattr( ip->i_d.di_extsize = fa->fsx_extsize >> mp->m_sb.sb_blocklog; else ip->i_d.di_extsize = 0; + if (ip->i_d.di_version == 3 && + (ip->i_d.di_flags2 & XFS_DIFLAG2_COWEXTSIZE)) + ip->i_d.di_cowextsize = fa->fsx_cowextsize >> + mp->m_sb.sb_blocklog; + else + ip->i_d.di_cowextsize = 0; code = xfs_trans_commit(tp); diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index e7e1346..3914f0f 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -589,7 +589,10 @@ __xfs_iomap_write_delay( if (error) return error; - extsz = xfs_get_extsz_hint(ip); + if (whichfork == XFS_COW_FORK) + extsz = xfs_get_cowextsz_hint(ip); + else + extsz = xfs_get_extsz_hint(ip); offset_fsb = XFS_B_TO_FSBT(mp, offset); if (whichfork == XFS_DATA_FORK) { diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index ce73eb3..6da964a 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -111,6 +111,11 @@ xfs_bulkstat_one_int( buf->bs_aextents = dic->di_anextents; buf->bs_forkoff = XFS_IFORK_BOFF(ip); + if (dic->di_version == 3) { + if (dic->di_flags2 & XFS_DIFLAG2_COWEXTSIZE) + buf->bs_cowextsize = dic->di_cowextsize; + } + switch (dic->di_format) { case XFS_DINODE_FMT_DEV: buf->bs_rdev = ip->i_df.if_u2.if_rdev; diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 7c64104..d2c1547 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1010,18 +1010,19 @@ out_error: } /* - * Update destination inode size, if necessary. + * Update destination inode size & cowextsize hint, if necessary. */ STATIC int xfs_reflink_update_dest( struct xfs_inode *dest, - xfs_off_t newlen) + xfs_off_t newlen, + xfs_extlen_t cowextsize) { struct xfs_mount *mp = dest->i_mount; struct xfs_trans *tp; int error; - if (newlen <= i_size_read(VFS_I(dest))) + if (newlen <= i_size_read(VFS_I(dest)) && cowextsize == 0) return 0; error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp); @@ -1031,9 +1032,17 @@ xfs_reflink_update_dest( xfs_ilock(dest, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, dest, XFS_ILOCK_EXCL); - trace_xfs_reflink_update_inode_size(dest, newlen); - i_size_write(VFS_I(dest), newlen); - dest->i_d.di_size = newlen; + if (newlen > i_size_read(VFS_I(dest))) { + trace_xfs_reflink_update_inode_size(dest, newlen); + i_size_write(VFS_I(dest), newlen); + dest->i_d.di_size = newlen; + } + + if (cowextsize) { + dest->i_d.di_cowextsize = cowextsize; + dest->i_d.di_flags2 |= XFS_DIFLAG2_COWEXTSIZE; + } + xfs_trans_log_inode(tp, dest, XFS_ILOG_CORE); error = xfs_trans_commit(tp); @@ -1351,6 +1360,7 @@ xfs_reflink_remap_range( xfs_fileoff_t sfsbno, dfsbno; xfs_filblks_t fsblen; int error; + xfs_extlen_t cowextsize; bool is_same; if (!xfs_sb_version_hasreflink(&mp->m_sb)) @@ -1411,7 +1421,19 @@ xfs_reflink_remap_range( if (error) goto out_error; - error = xfs_reflink_update_dest(dest, destoff + len); + /* + * Carry the cowextsize hint from src to dest if we're sharing the + * entire source file to the entire destination file, the source file + * has a cowextsize hint, and the destination file does not. + */ + cowextsize = 0; + if (srcoff == 0 && len == i_size_read(VFS_I(src)) && + (src->i_d.di_flags2 & XFS_DIFLAG2_COWEXTSIZE) && + destoff == 0 && len >= i_size_read(VFS_I(dest)) && + !(dest->i_d.di_flags2 & XFS_DIFLAG2_COWEXTSIZE)) + cowextsize = src->i_d.di_cowextsize; + + error = xfs_reflink_update_dest(dest, destoff + len, cowextsize); if (error) goto out_error; From darrick.wong@oracle.com Thu Jun 16 20:28:41 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 075117D69 for ; Thu, 16 Jun 2016 20:28:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id C05C78F804B for ; Thu, 16 Jun 2016 18:28:40 -0700 (PDT) X-ASG-Debug-ID: 1466126917-04cb6c542557b20001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id mMZGt6P5LsIbgEYp (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:38 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1STYV011897 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:29 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1STdW026126 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:29 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1SQNx008855; Fri, 17 Jun 2016 01:28:27 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:26 -0700 Subject: [PATCH 098/119] xfs: preallocate blocks for worst-case btree expansion From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 098/119] xfs: preallocate blocks for worst-case btree expansion To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:24 -0700 Message-ID: <146612690470.12839.4608031019884955143.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126917 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14635 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines To gracefully handle the situation where a CoW operation turns a single refcount extent into a lot of tiny ones and then run out of space when a tree split has to happen, use the per-AG reserved block pool to pre-allocate all the space we'll ever need for a maximal btree. For a 4K block size, this only costs an overhead of 0.3% of available disk space. When reflink is enabled, we have an unfortunate problem with rmap -- since we can share a block billions of times, this means that the reverse mapping btree can expand basically infinitely. When an AG is so full that there are no free blocks with which to expand the rmapbt, the filesystem will shut down hard. This is rather annoying to the user, so use the AG reservation code to reserve a "reasonable" amount of space for rmap. We'll prevent reflinks and CoW operations if we think we're getting close to exhausting an AG's free space rather than shutting down, but this permanent reservation should be enough for "most" users. Hopefully. v2: Simplify the return value from xfs_perag_pool_free_block to a bool so that we can easily call xfs_trans_binval for both the per-AG pool and the real freeing case. Without this we fail to invalidate the btree buffer and will trip over the write verifier on a shrinking refcount btree. v3: Convert to the new per-AG reservation code. v4: Combine this patch with the one that adds the rmapbt reservation, since the rmapbt reservation is only needed for reflink filesystems. v5: If we detect errors while counting the refcount or rmap btrees, shut down the filesystem to avoid the scenario where the fs shuts down mid-transaction due to btree corruption, repair refuses to run until the log is clean, and the log cannot be cleaned because replay hits btree corruption and shuts down. Signed-off-by: Darrick J. Wong [hch@lst.de: ensure that we invalidate the freed btree buffer] Signed-off-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_ag_resv.c | 11 +++++ fs/xfs/libxfs/xfs_alloc.c | 2 - fs/xfs/libxfs/xfs_refcount_btree.c | 61 +++++++++++++++++++++++++-- fs/xfs/libxfs/xfs_refcount_btree.h | 3 + fs/xfs/libxfs/xfs_rmap_btree.c | 80 ++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.h | 7 +++ fs/xfs/xfs_fsops.c | 56 +++++++++++++++++++++++++ fs/xfs/xfs_fsops.h | 3 + fs/xfs/xfs_mount.c | 4 ++ fs/xfs/xfs_super.c | 5 ++ 10 files changed, 225 insertions(+), 7 deletions(-) diff --git a/fs/xfs/libxfs/xfs_ag_resv.c b/fs/xfs/libxfs/xfs_ag_resv.c index 4d390b7..9cfe132 100644 --- a/fs/xfs/libxfs/xfs_ag_resv.c +++ b/fs/xfs/libxfs/xfs_ag_resv.c @@ -38,6 +38,7 @@ #include "xfs_trans_space.h" #include "xfs_rmap_btree.h" #include "xfs_btree.h" +#include "xfs_refcount_btree.h" /* * Per-AG Block Reservations @@ -225,6 +226,11 @@ xfs_ag_resv_init( /* Create the metadata reservation. */ ask = used = 0; + err2 = xfs_refcountbt_calc_reserves(pag->pag_mount, pag->pag_agno, + &ask, &used); + if (err2 && !error) + error = err2; + err2 = __xfs_ag_resv_init(pag, XFS_AG_RESV_METADATA, ask, used); if (err2 && !error) error = err2; @@ -236,6 +242,11 @@ init_agfl: /* Create the AGFL metadata reservation */ ask = used = 0; + err2 = xfs_rmapbt_calc_reserves(pag->pag_mount, pag->pag_agno, + &ask, &used); + if (err2 && !error) + error = err2; + err2 = __xfs_ag_resv_init(pag, XFS_AG_RESV_AGFL, ask, used); if (err2 && !error) error = err2; diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index c46db76..188c359a 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -139,8 +139,6 @@ xfs_alloc_ag_max_usable(struct xfs_mount *mp) /* rmap root block + full tree split on full AG */ blocks += 1 + (2 * mp->m_ag_maxlevels) - 1; } - if (xfs_sb_version_hasreflink(&mp->m_sb)) - blocks += xfs_refcountbt_max_size(mp); return mp->m_sb.sb_agblocks - blocks; } diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index a944fca..abf1ebf 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -76,6 +76,8 @@ xfs_refcountbt_alloc_block( struct xfs_alloc_arg args; /* block allocation args */ int error; /* error return value */ + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); + memset(&args, 0, sizeof(args)); args.tp = cur->bc_tp; args.mp = cur->bc_mp; @@ -85,6 +87,7 @@ xfs_refcountbt_alloc_block( args.firstblock = args.fsbno; xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_REFC); args.minlen = args.maxlen = args.prod = 1; + args.resv = XFS_AG_RESV_METADATA; error = xfs_alloc_vextent(&args); if (error) @@ -116,17 +119,20 @@ xfs_refcountbt_free_block( struct xfs_buf *bp) { struct xfs_mount *mp = cur->bc_mp; - struct xfs_trans *tp = cur->bc_tp; xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); struct xfs_owner_info oinfo; + int error; trace_xfs_refcountbt_free_block(cur->bc_mp, cur->bc_private.a.agno, XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno), 1); xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_REFC); - xfs_bmap_add_free(mp, cur->bc_private.a.dfops, fsbno, 1, - &oinfo); - xfs_trans_binval(tp, bp); - return 0; + error = xfs_free_extent(cur->bc_tp, fsbno, 1, &oinfo, + XFS_AG_RESV_METADATA); + if (error) + return error; + + xfs_trans_binval(cur->bc_tp, bp); + return error; } STATIC int @@ -396,3 +402,48 @@ xfs_refcountbt_max_size( return xfs_refcountbt_calc_size(mp, mp->m_sb.sb_agblocks); } + +/* Count the blocks in the reference count tree. */ +static int +xfs_refcountbt_count_blocks( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_extlen_t *tree_blocks) +{ + struct xfs_buf *agbp; + struct xfs_btree_cur *cur; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + return error; + cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); + error = xfs_btree_count_blocks(cur, tree_blocks); + xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, agbp); + + return error; +} + +/* + * Figure out how many blocks to reserve and how many are used by this btree. + */ +int +xfs_refcountbt_calc_reserves( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_extlen_t *ask, + xfs_extlen_t *used) +{ + xfs_extlen_t tree_len = 0; + int error; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return 0; + + *ask += xfs_refcountbt_max_size(mp); + error = xfs_refcountbt_count_blocks(mp, agno, &tree_len); + *used += tree_len; + + return error; +} diff --git a/fs/xfs/libxfs/xfs_refcount_btree.h b/fs/xfs/libxfs/xfs_refcount_btree.h index 780b02f..3be7768 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.h +++ b/fs/xfs/libxfs/xfs_refcount_btree.h @@ -68,4 +68,7 @@ extern xfs_extlen_t xfs_refcountbt_calc_size(struct xfs_mount *mp, unsigned long long len); extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp); +extern int xfs_refcountbt_calc_reserves(struct xfs_mount *mp, + xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); + #endif /* __XFS_REFCOUNT_BTREE_H__ */ diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 090dbbe..0b045a6 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -34,6 +34,7 @@ #include "xfs_cksum.h" #include "xfs_error.h" #include "xfs_extent_busy.h" +#include "xfs_ag_resv.h" /* * Reverse map btree. @@ -60,6 +61,14 @@ * try to recover tree and file data from corrupt primary metadata. */ +static bool +xfs_rmapbt_need_reserve( + struct xfs_mount *mp) +{ + return xfs_sb_version_hasrmapbt(&mp->m_sb) && + xfs_sb_version_hasreflink(&mp->m_sb); +} + static struct xfs_btree_cur * xfs_rmapbt_dup_cursor( struct xfs_btree_cur *cur) @@ -481,3 +490,74 @@ xfs_rmapbt_compute_maxlevels( mp->m_rmap_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_rmap_mnr, mp->m_sb.sb_agblocks); } + +/* Calculate the refcount btree size for some records. */ +xfs_extlen_t +xfs_rmapbt_calc_size( + struct xfs_mount *mp, + unsigned long long len) +{ + return xfs_btree_calc_size(mp, mp->m_rmap_mnr, len); +} + +/* + * Calculate the maximum refcount btree size. + */ +xfs_extlen_t +xfs_rmapbt_max_size( + struct xfs_mount *mp) +{ + /* Bail out if we're uninitialized, which can happen in mkfs. */ + if (mp->m_rmap_mxr[0] == 0) + return 0; + + return xfs_rmapbt_calc_size(mp, mp->m_sb.sb_agblocks); +} + +/* Count the blocks in the reference count tree. */ +static int +xfs_rmapbt_count_blocks( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_extlen_t *tree_blocks) +{ + struct xfs_buf *agbp; + struct xfs_btree_cur *cur; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + return error; + cur = xfs_rmapbt_init_cursor(mp, NULL, agbp, agno); + error = xfs_btree_count_blocks(cur, tree_blocks); + xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, agbp); + + return error; +} + +/* + * Figure out how many blocks to reserve and how many are used by this btree. + */ +int +xfs_rmapbt_calc_reserves( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_extlen_t *ask, + xfs_extlen_t *used) +{ + xfs_extlen_t pool_len; + xfs_extlen_t tree_len = 0; + int error; + + if (!xfs_rmapbt_need_reserve(mp)) + return 0; + + /* Reserve 1% of the AG or enough for 1 block per record. */ + pool_len = max(mp->m_sb.sb_agblocks / 100, xfs_rmapbt_max_size(mp)); + *ask += pool_len; + error = xfs_rmapbt_count_blocks(mp, agno, &tree_len); + *used += tree_len; + + return error; +} diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 5df406e..f398e8b 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -130,4 +130,11 @@ int xfs_rmap_finish_one(struct xfs_trans *tp, enum xfs_rmap_intent_type type, xfs_fsblock_t startblock, xfs_filblks_t blockcount, xfs_exntst_t state, struct xfs_btree_cur **pcur); +extern xfs_extlen_t xfs_rmapbt_calc_size(struct xfs_mount *mp, + unsigned long long len); +extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp); + +extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, + xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); + #endif /* __XFS_RMAP_BTREE_H__ */ diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 84e7ba3..e76aefc 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -42,6 +42,8 @@ #include "xfs_trace.h" #include "xfs_log.h" #include "xfs_filestream.h" +#include "xfs_refcount_btree.h" +#include "xfs_ag_resv.h" /* * File system operations @@ -677,6 +679,9 @@ xfs_growfs_data_private( continue; } } + + xfs_fs_reserve_ag_blocks(mp); + return saved_error ? saved_error : error; error0: @@ -971,3 +976,54 @@ xfs_do_force_shutdown( "Please umount the filesystem and rectify the problem(s)"); } } + +/* + * Reserve free space for per-AG metadata. + */ +void +xfs_fs_reserve_ag_blocks( + struct xfs_mount *mp) +{ + xfs_agnumber_t agno; + struct xfs_perag *pag; + int error = 0; + int err2; + + for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) { + pag = xfs_perag_get(mp, agno); + err2 = xfs_ag_resv_init(pag); + xfs_perag_put(pag); + if (err2 && !error) + error = err2; + } + + if (error) { + xfs_warn(mp, "Error %d reserving metadata blocks.", error); + xfs_force_shutdown(mp, (error == -EFSCORRUPTED) ? + SHUTDOWN_CORRUPT_INCORE : SHUTDOWN_META_IO_ERROR); + } +} + +/* + * Free space reserved for per-AG metadata. + */ +void +xfs_fs_unreserve_ag_blocks( + struct xfs_mount *mp) +{ + xfs_agnumber_t agno; + struct xfs_perag *pag; + int error = 0; + int err2; + + for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) { + pag = xfs_perag_get(mp, agno); + err2 = xfs_ag_resv_free(pag); + xfs_perag_put(pag); + if (err2 && !error) + error = err2; + } + + if (error) + xfs_warn(mp, "Error %d unreserving metadata blocks.", error); +} diff --git a/fs/xfs/xfs_fsops.h b/fs/xfs/xfs_fsops.h index f32713f..71e3248 100644 --- a/fs/xfs/xfs_fsops.h +++ b/fs/xfs/xfs_fsops.h @@ -26,4 +26,7 @@ extern int xfs_reserve_blocks(xfs_mount_t *mp, __uint64_t *inval, xfs_fsop_resblks_t *outval); extern int xfs_fs_goingdown(xfs_mount_t *mp, __uint32_t inflags); +extern void xfs_fs_reserve_ag_blocks(struct xfs_mount *mp); +extern void xfs_fs_unreserve_ag_blocks(struct xfs_mount *mp); + #endif /* __XFS_FSOPS_H__ */ diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 6351dce..db80832 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -45,6 +45,7 @@ #include "xfs_rmap_btree.h" #include "xfs_refcount_btree.h" #include "xfs_reflink.h" +#include "xfs_refcount_btree.h" static DEFINE_MUTEX(xfs_uuid_table_mutex); @@ -962,6 +963,8 @@ xfs_mountfs( xfs_warn(mp, "Unable to allocate reserve blocks. Continuing without reserve pool."); + xfs_fs_reserve_ag_blocks(mp); + /* Recover any CoW blocks that never got remapped. */ error = xfs_reflink_recover_cow(mp); if (error && !XFS_FORCED_SHUTDOWN(mp)) @@ -1013,6 +1016,7 @@ xfs_unmountfs( cancel_delayed_work_sync(&mp->m_eofblocks_work); + xfs_fs_unreserve_ag_blocks(mp); xfs_qm_unmount_quotas(mp); xfs_rtunmount_inodes(mp); IRELE(mp->m_rootip); diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 87e997a..10a0f721 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -51,6 +51,7 @@ #include "xfs_refcount_item.h" #include "xfs_bmap_item.h" #include "xfs_reflink.h" +#include "xfs_refcount_btree.h" #include #include @@ -1306,6 +1307,7 @@ xfs_fs_remount( */ xfs_restore_resvblks(mp); xfs_log_work_queue(mp); + xfs_fs_reserve_ag_blocks(mp); /* Recover any CoW blocks that never got remapped. */ error = xfs_reflink_recover_cow(mp); @@ -1323,6 +1325,9 @@ xfs_fs_remount( * reserve pool size so that if we get remounted rw, we can * return it to the same size. */ + + xfs_fs_unreserve_ag_blocks(mp); + xfs_save_resvblks(mp); xfs_quiesce_attr(mp); mp->m_flags |= XFS_MOUNT_RDONLY; From darrick.wong@oracle.com Thu Jun 16 20:28:41 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A92B77CF5 for ; Thu, 16 Jun 2016 20:28:41 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7BF1C30404E for ; Thu, 16 Jun 2016 18:28:41 -0700 (PDT) X-ASG-Debug-ID: 1466126919-04cbb01fee699f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id EYFBIVLgFHLP9mwc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:39 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1SXKT011923 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:28:33 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1SXil020006 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:33 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1SWXi025670; Fri, 17 Jun 2016 01:28:33 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:32 -0700 Subject: [PATCH 099/119] xfs: don't allow reflink when the AG is low on space From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 099/119] xfs: don't allow reflink when the AG is low on space To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:31 -0700 Message-ID: <146612691118.12839.4806079419801697732.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126919 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2088 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines If the AG free space is down to the reserves, refuse to reflink our way out of space. Hopefully userspace will make a real copy and/or go elsewhere. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_reflink.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index d2c1547..f5195b7 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -53,6 +53,8 @@ #include "xfs_reflink.h" #include "xfs_iomap.h" #include "xfs_rmap_btree.h" +#include "xfs_sb.h" +#include "xfs_ag_resv.h" /* * Copy on Write of Shared Blocks @@ -1056,6 +1058,30 @@ out_error: } /* + * Do we have enough reserve in this AG to handle a reflink? The refcount + * btree already reserved all the space it needs, but the rmap btree can grow + * infinitely, so we won't allow more reflinks when the AG is down to the + * btree reserves. + */ +static int +xfs_reflink_ag_has_free_space( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_perag *pag; + int error = 0; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + + pag = xfs_perag_get(mp, agno); + if (xfs_ag_resv_critical(pag, XFS_AG_RESV_AGFL)) + error = -ENOSPC; + xfs_perag_put(pag); + return error; +} + +/* * Unmap a range of blocks from a file, then map other blocks into the hole. * The range to unmap is (destoff : destoff + srcioff + irec->br_blockcount). * The extent irec is mapped into dest at irec->br_startoff. @@ -1087,6 +1113,14 @@ xfs_reflink_remap_extent( irec->br_startblock != DELAYSTARTBLOCK && !ISUNWRITTEN(irec)); + /* No reflinking if we're low on space */ + if (real_extent) { + error = xfs_reflink_ag_has_free_space(mp, + XFS_FSB_TO_AGNO(mp, irec->br_startblock)); + if (error) + goto out; + } + /* Start a rolling transaction to switch the mappings */ resblks = XFS_EXTENTADD_SPACE_RES(ip->i_mount, XFS_DATA_FORK); error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp); From darrick.wong@oracle.com Thu Jun 16 20:28:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2E4277F2D for ; Thu, 16 Jun 2016 20:28:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E5881304048 for ; Thu, 16 Jun 2016 18:28:44 -0700 (PDT) X-ASG-Debug-ID: 1466126923-04cbb01fee69a00001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id nQ0rbPHKujBrDAgs (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:43 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Seu7031338 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:40 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1SdBZ015003 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:40 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Sdva025693; Fri, 17 Jun 2016 01:28:39 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:38 -0700 Subject: [PATCH 100/119] xfs: try other AGs to allocate a BMBT block From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 100/119] xfs: try other AGs to allocate a BMBT block To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:37 -0700 Message-ID: <146612691740.12839.10974086588065909798.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126923 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4665 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Prior to the introduction of reflink, allocating a block and mapping it into a file was performed in a single transaction with a single block reservation, and the allocator was supposed to find enough blocks to allocate the extent and any BMBT blocks that might be necessary (unless we're low on space). However, due to the way copy on write works, allocation and mapping have been split into two transactions, which means that we must be able to handle the case where we allocate an extent for CoW but that AG runs out of free space before the blocks can be mapped into a file, and the mapping requires a new BMBT block. When this happens, look in one of the other AGs for a BMBT block instead of taking the FS down. The same applies to the functions that convert a data fork to extents and later btree format. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 30 ++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_bmap_btree.c | 17 +++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index a6c08bf..62ac322 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -753,6 +753,7 @@ xfs_bmap_extents_to_btree( args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = XFS_INO_TO_FSB(mp, ip->i_ino); } else if (dfops->dop_low) { +try_another_ag: args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = *firstblock; } else { @@ -767,6 +768,21 @@ xfs_bmap_extents_to_btree( xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); return error; } + + /* + * During a CoW operation, the allocation and bmbt updates occur in + * different transactions. The mapping code tries to put new bmbt + * blocks near extents being mapped, but the only way to guarantee this + * is if the alloc and the mapping happen in a single transaction that + * has a block reservation. That isn't the case here, so if we run out + * of space we'll try again with another AG. + */ + if (xfs_sb_version_hasreflink(&cur->bc_mp->m_sb) && + args.fsbno == NULLFSBLOCK && + args.type == XFS_ALLOCTYPE_NEAR_BNO) { + dfops->dop_low = true; + goto try_another_ag; + } /* * Allocation can't fail, the space was reserved. */ @@ -902,6 +918,7 @@ xfs_bmap_local_to_extents( * file currently fits in an inode. */ if (*firstblock == NULLFSBLOCK) { +try_another_ag: args.fsbno = XFS_INO_TO_FSB(args.mp, ip->i_ino); args.type = XFS_ALLOCTYPE_START_BNO; } else { @@ -914,6 +931,19 @@ xfs_bmap_local_to_extents( if (error) goto done; + /* + * During a CoW operation, the allocation and bmbt updates occur in + * different transactions. The mapping code tries to put new bmbt + * blocks near extents being mapped, but the only way to guarantee this + * is if the alloc and the mapping happen in a single transaction that + * has a block reservation. That isn't the case here, so if we run out + * of space we'll try again with another AG. + */ + if (xfs_sb_version_hasreflink(&ip->i_mount->m_sb) && + args.fsbno == NULLFSBLOCK && + args.type == XFS_ALLOCTYPE_NEAR_BNO) { + goto try_another_ag; + } /* Can't fail, the space was reserved. */ ASSERT(args.fsbno != NULLFSBLOCK); ASSERT(args.len == 1); diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index a5a8d37..9e7df9d 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -452,6 +452,7 @@ xfs_bmbt_alloc_block( if (args.fsbno == NULLFSBLOCK) { args.fsbno = be64_to_cpu(start->l); +try_another_ag: args.type = XFS_ALLOCTYPE_START_BNO; /* * Make sure there is sufficient room left in the AG to @@ -481,6 +482,22 @@ xfs_bmbt_alloc_block( if (error) goto error0; + /* + * During a CoW operation, the allocation and bmbt updates occur in + * different transactions. The mapping code tries to put new bmbt + * blocks near extents being mapped, but the only way to guarantee this + * is if the alloc and the mapping happen in a single transaction that + * has a block reservation. That isn't the case here, so if we run out + * of space we'll try again with another AG. + */ + if (xfs_sb_version_hasreflink(&cur->bc_mp->m_sb) && + args.fsbno == NULLFSBLOCK && + args.type == XFS_ALLOCTYPE_NEAR_BNO) { + cur->bc_private.b.dfops->dop_low = true; + args.fsbno = cur->bc_private.b.firstblock; + goto try_another_ag; + } + if (args.fsbno == NULLFSBLOCK && args.minleft) { /* * Could not find an AG with enough free space to satisfy From darrick.wong@oracle.com Thu Jun 16 20:28:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8E4C07E88 for ; Thu, 16 Jun 2016 20:28:50 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 50521304048 for ; Thu, 16 Jun 2016 18:28:50 -0700 (PDT) X-ASG-Debug-ID: 1466126928-04bdf01e1795cd0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id yzVZlGBLkgaVDuBv (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:48 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1SkrF031393 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:28:46 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1SkM0020261 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:46 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Sj5c025710; Fri, 17 Jun 2016 01:28:45 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:45 -0700 Subject: [PATCH 101/119] xfs: promote buffered writes to CoW when cowextsz is set From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 101/119] xfs: promote buffered writes to CoW when cowextsz is set To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:43 -0700 Message-ID: <146612692370.12839.6519871693319312435.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126928 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2321 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we're doing non-cow writes to a part of a file that already has a CoW reservation by virtue of cowextsz being set, promote the write to copy-on-write so that the entire extent can get written out as a single block, thereby reducing post-CoW fragmentation. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_aops.c | 39 ++++++++++++++++++--------------------- 1 file changed, 18 insertions(+), 21 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 812bae5..31205fa 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -668,10 +668,12 @@ xfs_check_page_type( bh = head = page_buffers(page); do { if (buffer_unwritten(bh)) { - if (type == XFS_IO_UNWRITTEN) + if (type == XFS_IO_UNWRITTEN || + type == XFS_IO_COW) return true; } else if (buffer_delay(bh)) { - if (type == XFS_IO_DELALLOC) + if (type == XFS_IO_DELALLOC || + type == XFS_IO_COW) return true; } else if (buffer_dirty(bh) && buffer_mapped(bh)) { if (type == XFS_IO_OVERWRITE || @@ -836,25 +838,13 @@ xfs_writepage_map( continue; } - if (buffer_unwritten(bh)) { - if (wpc->io_type != XFS_IO_UNWRITTEN) { - wpc->io_type = XFS_IO_UNWRITTEN; - wpc->imap_valid = false; - } - } else if (buffer_delay(bh)) { - if (wpc->io_type != XFS_IO_DELALLOC) { - wpc->io_type = XFS_IO_DELALLOC; - wpc->imap_valid = false; - } - } else if (buffer_uptodate(bh)) { - new_type = xfs_is_cow_io(XFS_I(inode), offset) ? - XFS_IO_COW : XFS_IO_OVERWRITE; - - if (wpc->io_type != new_type) { - wpc->io_type = new_type; - wpc->imap_valid = false; - } - } else { + if (buffer_unwritten(bh)) + new_type = XFS_IO_UNWRITTEN; + else if (buffer_delay(bh)) + new_type = XFS_IO_DELALLOC; + else if (buffer_uptodate(bh)) + new_type = XFS_IO_OVERWRITE; + else { if (PageUptodate(page)) ASSERT(buffer_mapped(bh)); /* @@ -867,6 +857,13 @@ xfs_writepage_map( continue; } + if (xfs_is_cow_io(XFS_I(inode), offset)) + new_type = XFS_IO_COW; + if (wpc->io_type != new_type) { + wpc->io_type = new_type; + wpc->imap_valid = false; + } + if (wpc->imap_valid) wpc->imap_valid = xfs_imap_valid(inode, &wpc->imap, offset); From darrick.wong@oracle.com Thu Jun 16 20:29:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1500A7F5E for ; Thu, 16 Jun 2016 20:29:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id DAB35304048 for ; Thu, 16 Jun 2016 18:29:01 -0700 (PDT) X-ASG-Debug-ID: 1466126938-04cb6c542757b50001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 3dZlk5SHvvHDjYNd (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:28:58 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1SuGE031487 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:56 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1SuVE026679 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:28:56 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1SruT009025; Fri, 17 Jun 2016 01:28:55 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:53 -0700 Subject: [PATCH 102/119] xfs: garbage collect old cowextsz reservations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 102/119] xfs: garbage collect old cowextsz reservations To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:50 -0700 Message-ID: <146612692996.12839.9621556119809112650.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126938 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 19990 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Trim CoW reservations made on behalf of a cowextsz hint if they get too old or we run low on quota, so long as we don't have dirty data awaiting writeback or directio operations in progress. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_bmap_util.c | 3 + fs/xfs/xfs_file.c | 3 + fs/xfs/xfs_globals.c | 5 + fs/xfs/xfs_icache.c | 238 ++++++++++++++++++++++++++++++++++++++++++------ fs/xfs/xfs_icache.h | 7 + fs/xfs/xfs_inode.c | 4 + fs/xfs/xfs_iomap.c | 2 fs/xfs/xfs_linux.h | 1 fs/xfs/xfs_mount.c | 1 fs/xfs/xfs_mount.h | 2 fs/xfs/xfs_reflink.c | 35 +++++++ fs/xfs/xfs_reflink.h | 2 fs/xfs/xfs_super.c | 1 fs/xfs/xfs_sysctl.c | 9 ++ fs/xfs/xfs_sysctl.h | 1 fs/xfs/xfs_trace.h | 5 + 16 files changed, 287 insertions(+), 32 deletions(-) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index b0c2c6d5..584f276 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1222,6 +1222,7 @@ xfs_free_cow_space( */ if (ip->i_d.di_nblocks == 0) { ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + xfs_inode_clear_cowblocks_tag(ip); xfs_trans_log_inode(*tpp, ip, XFS_ILOG_CORE); } out: @@ -1966,6 +1967,8 @@ xfs_swap_extents( cowfp = ip->i_cowfp; ip->i_cowfp = tip->i_cowfp; tip->i_cowfp = cowfp; + xfs_inode_set_cowblocks_tag(ip); + xfs_inode_set_cowblocks_tag(tip); } xfs_trans_log_inode(tp, ip, src_log_flags); diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 618bd12..ad6a467 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -859,6 +859,9 @@ write_retry: enospc = xfs_inode_free_quota_eofblocks(ip); if (enospc) goto write_retry; + enospc = xfs_inode_free_quota_cowblocks(ip); + if (enospc) + goto write_retry; } else if (ret == -ENOSPC && !enospc) { struct xfs_eofblocks eofb = {0}; diff --git a/fs/xfs/xfs_globals.c b/fs/xfs/xfs_globals.c index 4d41b24..f3f6aa9 100644 --- a/fs/xfs/xfs_globals.c +++ b/fs/xfs/xfs_globals.c @@ -21,8 +21,8 @@ /* * Tunable XFS parameters. xfs_params is required even when CONFIG_SYSCTL=n, * other XFS code uses these values. Times are measured in centisecs (i.e. - * 100ths of a second) with the exception of eofb_timer, which is measured in - * seconds. + * 100ths of a second) with the exception of eofb_timer and cowb_timer, which + * are measured in seconds. */ xfs_param_t xfs_params = { /* MIN DFLT MAX */ @@ -42,6 +42,7 @@ xfs_param_t xfs_params = { .inherit_nodfrg = { 0, 1, 1 }, .fstrm_timer = { 1, 30*100, 3600*100}, .eofb_timer = { 1, 300, 3600*24}, + .cowb_timer = { 1, 300, 3600*24}, }; struct xfs_globals xfs_globals = { diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 06f3b8c..884b570 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -33,6 +33,7 @@ #include "xfs_bmap_util.h" #include "xfs_dquot_item.h" #include "xfs_dquot.h" +#include "xfs_reflink.h" #include #include @@ -792,6 +793,33 @@ xfs_eofblocks_worker( xfs_queue_eofblocks(mp); } +/* + * Background scanning to trim preallocated CoW space. This is queued + * based on the 'speculative_cow_prealloc_lifetime' tunable (5m by default). + * (We'll just piggyback on the post-EOF prealloc space workqueue.) + */ +STATIC void +xfs_queue_cowblocks( + struct xfs_mount *mp) +{ + rcu_read_lock(); + if (radix_tree_tagged(&mp->m_perag_tree, XFS_ICI_COWBLOCKS_TAG)) + queue_delayed_work(mp->m_eofblocks_workqueue, + &mp->m_cowblocks_work, + msecs_to_jiffies(xfs_cowb_secs * 1000)); + rcu_read_unlock(); +} + +void +xfs_cowblocks_worker( + struct work_struct *work) +{ + struct xfs_mount *mp = container_of(to_delayed_work(work), + struct xfs_mount, m_cowblocks_work); + xfs_icache_free_cowblocks(mp, NULL); + xfs_queue_cowblocks(mp); +} + int xfs_inode_ag_iterator( struct xfs_mount *mp, @@ -1348,18 +1376,30 @@ xfs_inode_free_eofblocks( return ret; } -int -xfs_icache_free_eofblocks( +static int +__xfs_icache_free_eofblocks( struct xfs_mount *mp, - struct xfs_eofblocks *eofb) + struct xfs_eofblocks *eofb, + int (*execute)(struct xfs_inode *ip, int flags, + void *args), + int tag) { int flags = SYNC_TRYLOCK; if (eofb && (eofb->eof_flags & XFS_EOF_FLAGS_SYNC)) flags = SYNC_WAIT; - return xfs_inode_ag_iterator_tag(mp, xfs_inode_free_eofblocks, flags, - eofb, XFS_ICI_EOFBLOCKS_TAG); + return xfs_inode_ag_iterator_tag(mp, execute, flags, + eofb, tag); +} + +int +xfs_icache_free_eofblocks( + struct xfs_mount *mp, + struct xfs_eofblocks *eofb) +{ + return __xfs_icache_free_eofblocks(mp, eofb, xfs_inode_free_eofblocks, + XFS_ICI_EOFBLOCKS_TAG); } /* @@ -1368,9 +1408,11 @@ xfs_icache_free_eofblocks( * failure. We make a best effort by including each quota under low free space * conditions (less than 1% free space) in the scan. */ -int -xfs_inode_free_quota_eofblocks( - struct xfs_inode *ip) +static int +__xfs_inode_free_quota_eofblocks( + struct xfs_inode *ip, + int (*execute)(struct xfs_mount *mp, + struct xfs_eofblocks *eofb)) { int scan = 0; struct xfs_eofblocks eofb = {0}; @@ -1406,14 +1448,25 @@ xfs_inode_free_quota_eofblocks( } if (scan) - xfs_icache_free_eofblocks(ip->i_mount, &eofb); + execute(ip->i_mount, &eofb); return scan; } -void -xfs_inode_set_eofblocks_tag( - xfs_inode_t *ip) +int +xfs_inode_free_quota_eofblocks( + struct xfs_inode *ip) +{ + return __xfs_inode_free_quota_eofblocks(ip, xfs_icache_free_eofblocks); +} + +static void +__xfs_inode_set_eofblocks_tag( + xfs_inode_t *ip, + void (*execute)(struct xfs_mount *mp), + void (*set_tp)(struct xfs_mount *mp, xfs_agnumber_t agno, + int error, unsigned long caller_ip), + int tag) { struct xfs_mount *mp = ip->i_mount; struct xfs_perag *pag; @@ -1421,26 +1474,22 @@ xfs_inode_set_eofblocks_tag( pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); spin_lock(&pag->pag_ici_lock); - trace_xfs_inode_set_eofblocks_tag(ip); - tagged = radix_tree_tagged(&pag->pag_ici_root, - XFS_ICI_EOFBLOCKS_TAG); + tagged = radix_tree_tagged(&pag->pag_ici_root, tag); radix_tree_tag_set(&pag->pag_ici_root, - XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), - XFS_ICI_EOFBLOCKS_TAG); + XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), tag); if (!tagged) { /* propagate the eofblocks tag up into the perag radix tree */ spin_lock(&ip->i_mount->m_perag_lock); radix_tree_tag_set(&ip->i_mount->m_perag_tree, XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino), - XFS_ICI_EOFBLOCKS_TAG); + tag); spin_unlock(&ip->i_mount->m_perag_lock); /* kick off background trimming */ - xfs_queue_eofblocks(ip->i_mount); + execute(ip->i_mount); - trace_xfs_perag_set_eofblocks(ip->i_mount, pag->pag_agno, - -1, _RET_IP_); + set_tp(ip->i_mount, pag->pag_agno, -1, _RET_IP_); } spin_unlock(&pag->pag_ici_lock); @@ -1448,31 +1497,162 @@ xfs_inode_set_eofblocks_tag( } void -xfs_inode_clear_eofblocks_tag( +xfs_inode_set_eofblocks_tag( xfs_inode_t *ip) { + trace_xfs_inode_set_eofblocks_tag(ip); + return __xfs_inode_set_eofblocks_tag(ip, xfs_queue_eofblocks, + trace_xfs_perag_set_eofblocks, + XFS_ICI_EOFBLOCKS_TAG); +} + +static void +__xfs_inode_clear_eofblocks_tag( + xfs_inode_t *ip, + void (*clear_tp)(struct xfs_mount *mp, xfs_agnumber_t agno, + int error, unsigned long caller_ip), + int tag) +{ struct xfs_mount *mp = ip->i_mount; struct xfs_perag *pag; pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); spin_lock(&pag->pag_ici_lock); - trace_xfs_inode_clear_eofblocks_tag(ip); radix_tree_tag_clear(&pag->pag_ici_root, - XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), - XFS_ICI_EOFBLOCKS_TAG); - if (!radix_tree_tagged(&pag->pag_ici_root, XFS_ICI_EOFBLOCKS_TAG)) { + XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), tag); + if (!radix_tree_tagged(&pag->pag_ici_root, tag)) { /* clear the eofblocks tag from the perag radix tree */ spin_lock(&ip->i_mount->m_perag_lock); radix_tree_tag_clear(&ip->i_mount->m_perag_tree, XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino), - XFS_ICI_EOFBLOCKS_TAG); + tag); spin_unlock(&ip->i_mount->m_perag_lock); - trace_xfs_perag_clear_eofblocks(ip->i_mount, pag->pag_agno, - -1, _RET_IP_); + clear_tp(ip->i_mount, pag->pag_agno, -1, _RET_IP_); } spin_unlock(&pag->pag_ici_lock); xfs_perag_put(pag); } +void +xfs_inode_clear_eofblocks_tag( + xfs_inode_t *ip) +{ + trace_xfs_inode_clear_eofblocks_tag(ip); + return __xfs_inode_clear_eofblocks_tag(ip, + trace_xfs_perag_clear_eofblocks, XFS_ICI_EOFBLOCKS_TAG); +} + +/* + * Automatic CoW Reservation Freeing + * + * These functions automatically garbage collect leftover CoW reservations + * that were made on behalf of a cowextsize hint when we start to run out + * of quota or when the reservations sit around for too long. If the file + * has dirty pages or is undergoing writeback, its CoW reservations will + * be retained. + * + * The actual garbage collection piggybacks off the same code that runs + * the speculative EOF preallocation garbage collector. + */ +STATIC int +xfs_inode_free_cowblocks( + struct xfs_inode *ip, + int flags, + void *args) +{ + int ret; + struct xfs_eofblocks *eofb = args; + bool need_iolock = true; + int match; + + ASSERT(!eofb || (eofb && eofb->eof_scan_owner != 0)); + + if (!xfs_reflink_has_real_cow_blocks(ip)) { + trace_xfs_inode_free_cowblocks_invalid(ip); + xfs_inode_clear_cowblocks_tag(ip); + return 0; + } + + /* + * If the mapping is dirty or under writeback we cannot touch the + * CoW fork. Leave it alone if we're in the midst of a directio. + */ + if (mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY) || + mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_WRITEBACK) || + atomic_read(&VFS_I(ip)->i_dio_count)) + return 0; + + if (eofb) { + if (eofb->eof_flags & XFS_EOF_FLAGS_UNION) + match = xfs_inode_match_id_union(ip, eofb); + else + match = xfs_inode_match_id(ip, eofb); + if (!match) + return 0; + + /* skip the inode if the file size is too small */ + if (eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE && + XFS_ISIZE(ip) < eofb->eof_min_file_size) + return 0; + + /* + * A scan owner implies we already hold the iolock. Skip it in + * xfs_free_eofblocks() to avoid deadlock. This also eliminates + * the possibility of EAGAIN being returned. + */ + if (eofb->eof_scan_owner == ip->i_ino) + need_iolock = false; + } + + /* Free the CoW blocks */ + if (need_iolock) { + xfs_ilock(ip, XFS_IOLOCK_EXCL); + xfs_ilock(ip, XFS_MMAPLOCK_EXCL); + } + + ret = xfs_reflink_cancel_cow_range(ip, 0, NULLFILEOFF); + + if (need_iolock) { + xfs_iunlock(ip, XFS_MMAPLOCK_EXCL); + xfs_iunlock(ip, XFS_IOLOCK_EXCL); + } + + return ret; +} + +int +xfs_icache_free_cowblocks( + struct xfs_mount *mp, + struct xfs_eofblocks *eofb) +{ + return __xfs_icache_free_eofblocks(mp, eofb, xfs_inode_free_cowblocks, + XFS_ICI_COWBLOCKS_TAG); +} + +int +xfs_inode_free_quota_cowblocks( + struct xfs_inode *ip) +{ + return __xfs_inode_free_quota_eofblocks(ip, xfs_icache_free_cowblocks); +} + +void +xfs_inode_set_cowblocks_tag( + xfs_inode_t *ip) +{ + trace_xfs_inode_set_eofblocks_tag(ip); + return __xfs_inode_set_eofblocks_tag(ip, xfs_queue_cowblocks, + trace_xfs_perag_set_eofblocks, + XFS_ICI_COWBLOCKS_TAG); +} + +void +xfs_inode_clear_cowblocks_tag( + xfs_inode_t *ip) +{ + trace_xfs_inode_clear_eofblocks_tag(ip); + return __xfs_inode_clear_eofblocks_tag(ip, + trace_xfs_perag_clear_eofblocks, XFS_ICI_COWBLOCKS_TAG); +} diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h index 62f1f91..a22ac92 100644 --- a/fs/xfs/xfs_icache.h +++ b/fs/xfs/xfs_icache.h @@ -40,6 +40,7 @@ struct xfs_eofblocks { in xfs_inode_ag_iterator */ #define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */ #define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */ +#define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */ /* * Flags for xfs_iget() @@ -69,6 +70,12 @@ int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); void xfs_eofblocks_worker(struct work_struct *); +void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip); +void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip); +int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *); +int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip); +void xfs_cowblocks_worker(struct work_struct *); + int xfs_inode_ag_iterator(struct xfs_mount *mp, int (*execute)(struct xfs_inode *ip, int flags, void *args), int flags, void *args); diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 480e48a..fb9c2d7 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1631,8 +1631,10 @@ xfs_itruncate_extents( /* * Clear the reflink flag if we truncated everything. */ - if (ip->i_d.di_nblocks == 0 && xfs_is_reflink_inode(ip)) + if (ip->i_d.di_nblocks == 0 && xfs_is_reflink_inode(ip)) { ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + xfs_inode_clear_cowblocks_tag(ip); + } /* * Always re-log the inode so that our permanent transaction can keep diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 3914f0f..58240b5 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -668,6 +668,8 @@ retry: */ if (prealloc) xfs_inode_set_eofblocks_tag(ip); + if (whichfork == XFS_COW_FORK && extsz > 0) + xfs_inode_set_cowblocks_tag(ip); *ret_imap = imap[0]; return 0; diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index a8192dc..f05e2cf5 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -116,6 +116,7 @@ typedef __u32 xfs_nlink_t; #define xfs_inherit_nodefrag xfs_params.inherit_nodfrg.val #define xfs_fstrm_centisecs xfs_params.fstrm_timer.val #define xfs_eofb_secs xfs_params.eofb_timer.val +#define xfs_cowb_secs xfs_params.cowb_timer.val #define current_cpu() (raw_smp_processor_id()) #define current_pid() (current->pid) diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index db80832..e53853d 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1015,6 +1015,7 @@ xfs_unmountfs( int error; cancel_delayed_work_sync(&mp->m_eofblocks_work); + cancel_delayed_work_sync(&mp->m_cowblocks_work); xfs_fs_unreserve_ag_blocks(mp); xfs_qm_unmount_quotas(mp); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index a516a1f..6b06d24 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -158,6 +158,8 @@ typedef struct xfs_mount { struct delayed_work m_reclaim_work; /* background inode reclaim */ struct delayed_work m_eofblocks_work; /* background eof blocks trimming */ + struct delayed_work m_cowblocks_work; /* background cow blocks + trimming */ bool m_update_sb; /* sb needs update in mount */ int64_t m_low_space[XFS_LOWSP_MAX]; /* low free space thresholds */ diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index f5195b7..9b14eb5 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1727,6 +1727,7 @@ next: /* Clear the inode flag. */ trace_xfs_reflink_unset_inode_flag(ip); ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK; + xfs_inode_clear_cowblocks_tag(ip); xfs_trans_ijoin(tp, ip, 0); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); @@ -1864,3 +1865,37 @@ xfs_reflink_check_flag_adjust( } return 0; } + +/* + * Does this inode have any real CoW reservations? + */ +bool +xfs_reflink_has_real_cow_blocks( + struct xfs_inode *ip) +{ + struct xfs_bmbt_irec irec; + struct xfs_ifork *ifp; + struct xfs_bmbt_rec_host *gotp; + xfs_extnum_t idx; + + if (!xfs_is_reflink_inode(ip)) + return false; + + /* Go find the old extent in the CoW fork. */ + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + gotp = xfs_iext_bno_to_ext(ifp, 0, &idx); + while (gotp) { + xfs_bmbt_get_all(gotp, &irec); + + if (!isnullstartblock(irec.br_startblock)) + return true; + + /* Roll on... */ + idx++; + if (idx >= ifp->if_bytes / sizeof(xfs_bmbt_rec_t)) + break; + gotp = xfs_iext_get_ext(ifp, idx); + } + + return false; +} diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 97e8705..12c2bc6 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -56,6 +56,8 @@ extern void xfs_reflink_get_lxflags(struct xfs_inode *ip, unsigned int *flags); extern int xfs_reflink_check_flag_adjust(struct xfs_inode *ip, unsigned int *xflags); +extern bool xfs_reflink_has_real_cow_blocks(struct xfs_inode *ip); + /* xfs_aops.c */ extern int xfs_map_cow_blocks(struct inode *inode, xfs_off_t offset, struct xfs_bmbt_irec *imap); diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 10a0f721..93d159a 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1504,6 +1504,7 @@ xfs_fs_fill_super( atomic_set(&mp->m_active_trans, 0); INIT_DELAYED_WORK(&mp->m_reclaim_work, xfs_reclaim_worker); INIT_DELAYED_WORK(&mp->m_eofblocks_work, xfs_eofblocks_worker); + INIT_DELAYED_WORK(&mp->m_cowblocks_work, xfs_cowblocks_worker); mp->m_kobj.kobject.kset = xfs_kset; mp->m_super = sb; diff --git a/fs/xfs/xfs_sysctl.c b/fs/xfs/xfs_sysctl.c index aed74d3..afe1f66 100644 --- a/fs/xfs/xfs_sysctl.c +++ b/fs/xfs/xfs_sysctl.c @@ -184,6 +184,15 @@ static struct ctl_table xfs_table[] = { .extra1 = &xfs_params.eofb_timer.min, .extra2 = &xfs_params.eofb_timer.max, }, + { + .procname = "speculative_cow_prealloc_lifetime", + .data = &xfs_params.cowb_timer.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &xfs_params.cowb_timer.min, + .extra2 = &xfs_params.cowb_timer.max, + }, /* please keep this the last entry */ #ifdef CONFIG_PROC_FS { diff --git a/fs/xfs/xfs_sysctl.h b/fs/xfs/xfs_sysctl.h index ffef453..984a349 100644 --- a/fs/xfs/xfs_sysctl.h +++ b/fs/xfs/xfs_sysctl.h @@ -48,6 +48,7 @@ typedef struct xfs_param { xfs_sysctl_val_t inherit_nodfrg;/* Inherit the "nodefrag" inode flag. */ xfs_sysctl_val_t fstrm_timer; /* Filestream dir-AG assoc'n timeout. */ xfs_sysctl_val_t eofb_timer; /* Interval between eofb scan wakeups */ + xfs_sysctl_val_t cowb_timer; /* Interval between cowb scan wakeups */ } xfs_param_t; /* diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index fe4a5be..1d89f8f 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -136,6 +136,8 @@ DEFINE_PERAG_REF_EVENT(xfs_perag_set_reclaim); DEFINE_PERAG_REF_EVENT(xfs_perag_clear_reclaim); DEFINE_PERAG_REF_EVENT(xfs_perag_set_eofblocks); DEFINE_PERAG_REF_EVENT(xfs_perag_clear_eofblocks); +DEFINE_PERAG_REF_EVENT(xfs_perag_set_cowblocks); +DEFINE_PERAG_REF_EVENT(xfs_perag_clear_cowblocks); DECLARE_EVENT_CLASS(xfs_ag_class, TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno), @@ -687,6 +689,9 @@ DEFINE_INODE_EVENT(xfs_dquot_dqdetach); DEFINE_INODE_EVENT(xfs_inode_set_eofblocks_tag); DEFINE_INODE_EVENT(xfs_inode_clear_eofblocks_tag); DEFINE_INODE_EVENT(xfs_inode_free_eofblocks_invalid); +DEFINE_INODE_EVENT(xfs_inode_set_cowblocks_tag); +DEFINE_INODE_EVENT(xfs_inode_clear_cowblocks_tag); +DEFINE_INODE_EVENT(xfs_inode_free_cowblocks_invalid); DEFINE_INODE_EVENT(xfs_filemap_fault); DEFINE_INODE_EVENT(xfs_filemap_pmd_fault); From darrick.wong@oracle.com Thu Jun 16 20:29:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 859D07F74 for ; Thu, 16 Jun 2016 20:29:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id F33CCAC003 for ; Thu, 16 Jun 2016 18:29:05 -0700 (PDT) X-ASG-Debug-ID: 1466126943-04cbb01fed69a20001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 3RscvonZU2xXZZ0F (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:29:04 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1T1bZ031568 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:29:01 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1T1SQ020633 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:01 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1T0TX025762; Fri, 17 Jun 2016 01:29:00 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:28:59 -0700 Subject: [PATCH 103/119] xfs: provide switch to force filesystem to copy-on-write all the time From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 103/119] xfs: provide switch to force filesystem to copy-on-write all the time To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:28:58 -0700 Message-ID: <146612693844.12839.11077451764521265088.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126944 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2905 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Make it possible to force XFS to use copy on write all the time, at least if reflink is turned on. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_refcount.c | 6 ++++++ fs/xfs/xfs_globals.c | 1 + fs/xfs/xfs_linux.h | 1 + fs/xfs/xfs_sysctl.c | 11 +++++++++++ fs/xfs/xfs_sysctl.h | 1 + 5 files changed, 20 insertions(+) diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index 88f91d5..fd4369f 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -1190,6 +1190,12 @@ xfs_refcount_find_shared( trace_xfs_refcount_find_shared(mp, agno, agbno, aglen); + if (xfs_always_cow) { + *fbno = agbno; + *flen = aglen; + return 0; + } + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); if (error) goto out; diff --git a/fs/xfs/xfs_globals.c b/fs/xfs/xfs_globals.c index f3f6aa9..9a55966 100644 --- a/fs/xfs/xfs_globals.c +++ b/fs/xfs/xfs_globals.c @@ -43,6 +43,7 @@ xfs_param_t xfs_params = { .fstrm_timer = { 1, 30*100, 3600*100}, .eofb_timer = { 1, 300, 3600*24}, .cowb_timer = { 1, 300, 3600*24}, + .always_cow = { 0, 0, 1 }, }; struct xfs_globals xfs_globals = { diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index f05e2cf5..b70abad 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -117,6 +117,7 @@ typedef __u32 xfs_nlink_t; #define xfs_fstrm_centisecs xfs_params.fstrm_timer.val #define xfs_eofb_secs xfs_params.eofb_timer.val #define xfs_cowb_secs xfs_params.cowb_timer.val +#define xfs_always_cow xfs_params.always_cow.val #define current_cpu() (raw_smp_processor_id()) #define current_pid() (current->pid) diff --git a/fs/xfs/xfs_sysctl.c b/fs/xfs/xfs_sysctl.c index afe1f66..650b8d5 100644 --- a/fs/xfs/xfs_sysctl.c +++ b/fs/xfs/xfs_sysctl.c @@ -193,6 +193,17 @@ static struct ctl_table xfs_table[] = { .extra1 = &xfs_params.cowb_timer.min, .extra2 = &xfs_params.cowb_timer.max, }, +#ifdef DEBUG + { + .procname = "always_cow", + .data = &xfs_params.always_cow.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &xfs_params.always_cow.min, + .extra2 = &xfs_params.always_cow.max, + }, +#endif /* please keep this the last entry */ #ifdef CONFIG_PROC_FS { diff --git a/fs/xfs/xfs_sysctl.h b/fs/xfs/xfs_sysctl.h index 984a349..16099dc 100644 --- a/fs/xfs/xfs_sysctl.h +++ b/fs/xfs/xfs_sysctl.h @@ -49,6 +49,7 @@ typedef struct xfs_param { xfs_sysctl_val_t fstrm_timer; /* Filestream dir-AG assoc'n timeout. */ xfs_sysctl_val_t eofb_timer; /* Interval between eofb scan wakeups */ xfs_sysctl_val_t cowb_timer; /* Interval between cowb scan wakeups */ + xfs_sysctl_val_t always_cow; /* Always copy on write? */ } xfs_param_t; /* From darrick.wong@oracle.com Thu Jun 16 20:29:17 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 90A1B7F6C for ; Thu, 16 Jun 2016 20:29:17 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 50DD98F804B for ; Thu, 16 Jun 2016 18:29:17 -0700 (PDT) X-ASG-Debug-ID: 1466126954-04bdf01e1395d00001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 6TksABSxAvgpZKfJ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:29:15 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1T9sl012502 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:10 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1T9Gk027030 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:09 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1T8tG029894; Fri, 17 Jun 2016 01:29:08 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:06 -0700 Subject: [PATCH 104/119] xfs: increase log reservations for reflink From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 104/119] xfs: increase log reservations for reflink To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:04 -0700 Message-ID: <146612694469.12839.5547568012324469527.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126955 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2691 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Increase the log reservations to handle the increased rolling that happens at the end of copy-on-write operations. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_trans_resv.c | 16 +++++++++++++--- fs/xfs/libxfs/xfs_trans_resv.h | 2 ++ 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c index a59838f..b456cca 100644 --- a/fs/xfs/libxfs/xfs_trans_resv.c +++ b/fs/xfs/libxfs/xfs_trans_resv.c @@ -812,11 +812,18 @@ xfs_trans_resv_calc( * require a permanent reservation on space. */ resp->tr_write.tr_logres = xfs_calc_write_reservation(mp); - resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT; + if (xfs_sb_version_hasreflink(&mp->m_sb)) + resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK; + else + resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT; resp->tr_write.tr_logflags |= XFS_TRANS_PERM_LOG_RES; resp->tr_itruncate.tr_logres = xfs_calc_itruncate_reservation(mp); - resp->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT; + if (xfs_sb_version_hasreflink(&mp->m_sb)) + resp->tr_itruncate.tr_logcount = + XFS_ITRUNCATE_LOG_COUNT_REFLINK; + else + resp->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT; resp->tr_itruncate.tr_logflags |= XFS_TRANS_PERM_LOG_RES; resp->tr_rename.tr_logres = xfs_calc_rename_reservation(mp); @@ -873,7 +880,10 @@ xfs_trans_resv_calc( resp->tr_growrtalloc.tr_logflags |= XFS_TRANS_PERM_LOG_RES; resp->tr_qm_dqalloc.tr_logres = xfs_calc_qm_dqalloc_reservation(mp); - resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT; + if (xfs_sb_version_hasreflink(&mp->m_sb)) + resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK; + else + resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT; resp->tr_qm_dqalloc.tr_logflags |= XFS_TRANS_PERM_LOG_RES; /* diff --git a/fs/xfs/libxfs/xfs_trans_resv.h b/fs/xfs/libxfs/xfs_trans_resv.h index 36a1511..b7e5357 100644 --- a/fs/xfs/libxfs/xfs_trans_resv.h +++ b/fs/xfs/libxfs/xfs_trans_resv.h @@ -87,6 +87,7 @@ struct xfs_trans_resv { #define XFS_DEFAULT_LOG_COUNT 1 #define XFS_DEFAULT_PERM_LOG_COUNT 2 #define XFS_ITRUNCATE_LOG_COUNT 2 +#define XFS_ITRUNCATE_LOG_COUNT_REFLINK 8 #define XFS_INACTIVE_LOG_COUNT 2 #define XFS_CREATE_LOG_COUNT 2 #define XFS_CREATE_TMPFILE_LOG_COUNT 2 @@ -96,6 +97,7 @@ struct xfs_trans_resv { #define XFS_LINK_LOG_COUNT 2 #define XFS_RENAME_LOG_COUNT 2 #define XFS_WRITE_LOG_COUNT 2 +#define XFS_WRITE_LOG_COUNT_REFLINK 8 #define XFS_ADDAFORK_LOG_COUNT 2 #define XFS_ATTRINVAL_LOG_COUNT 1 #define XFS_ATTRSET_LOG_COUNT 3 From darrick.wong@oracle.com Thu Jun 16 20:29:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B58727F83 for ; Thu, 16 Jun 2016 20:29:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 679E48F804B for ; Thu, 16 Jun 2016 18:29:22 -0700 (PDT) X-ASG-Debug-ID: 1466126958-04bdf01e1795d10001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id JTAi4nqEFTE1mvU4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:29:18 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1TGhT031980 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:29:16 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1TFcT020982 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:16 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TEUl021348; Fri, 17 Jun 2016 01:29:15 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:14 -0700 Subject: [PATCH 105/119] xfs: use interval query for rmap alloc operations on shared files From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 105/119] xfs: use interval query for rmap alloc operations on shared files To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:13 -0700 Message-ID: <146612695294.12839.18445352357542834698.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126958 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 20393 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When it's possible for reverse mappings to overlap (data fork extents of files on reflink filesystems), use the interval query function to find the left neighbor of an extent we're trying to add; and be careful to use the lookup functions to update the neighbors and/or add new extents. v2: xfs_rmap_find_left_neighbor() needs to calculate the high key of a query range correctly. We can also add a few shortcuts -- there are no left neighbors of a query at offset zero. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_rmap.c | 483 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.h | 7 + fs/xfs/xfs_log_recover.c | 6 fs/xfs/xfs_trace.h | 14 + 4 files changed, 507 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index 611107c..a9bd522 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -211,6 +211,160 @@ xfs_rmap_get_rec( return xfs_rmapbt_btrec_to_irec(rec, irec); } +struct xfs_find_left_neighbor_info { + struct xfs_rmap_irec high; + struct xfs_rmap_irec *irec; + int *stat; +}; + +/* For each rmap given, figure out if it matches the key we want. */ +STATIC int +xfs_rmap_find_left_neighbor_helper( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + struct xfs_find_left_neighbor_info *info = priv; + + trace_xfs_rmap_find_left_neighbor_candidate(cur->bc_mp, + cur->bc_private.a.agno, rec->rm_startblock, + rec->rm_blockcount, rec->rm_owner, rec->rm_offset, + rec->rm_flags); + + if (rec->rm_owner != info->high.rm_owner) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + if (!XFS_RMAP_NON_INODE_OWNER(rec->rm_owner) && + !(rec->rm_flags & XFS_RMAP_BMBT_BLOCK) && + rec->rm_offset + rec->rm_blockcount - 1 != info->high.rm_offset) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + + *info->irec = *rec; + *info->stat = 1; + return XFS_BTREE_QUERY_RANGE_ABORT; +} + +/* + * Find the record to the left of the given extent, being careful only to + * return a match with the same owner and adjacent physical and logical + * block ranges. + */ +int +xfs_rmap_find_left_neighbor( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + uint64_t owner, + uint64_t offset, + unsigned int flags, + struct xfs_rmap_irec *irec, + int *stat) +{ + struct xfs_find_left_neighbor_info info; + int error; + + *stat = 0; + if (bno == 0) + return 0; + info.high.rm_startblock = bno - 1; + info.high.rm_owner = owner; + if (!XFS_RMAP_NON_INODE_OWNER(owner) && + !(flags & XFS_RMAP_BMBT_BLOCK)) { + if (offset == 0) + return 0; + info.high.rm_offset = offset - 1; + } else + info.high.rm_offset = 0; + info.high.rm_flags = flags; + info.high.rm_blockcount = 0; + info.irec = irec; + info.stat = stat; + + trace_xfs_rmap_find_left_neighbor_query(cur->bc_mp, + cur->bc_private.a.agno, bno, 0, owner, offset, flags); + + error = xfs_rmapbt_query_range(cur, &info.high, &info.high, + xfs_rmap_find_left_neighbor_helper, &info); + if (error == XFS_BTREE_QUERY_RANGE_ABORT) + error = 0; + if (*stat) + trace_xfs_rmap_find_left_neighbor_result(cur->bc_mp, + cur->bc_private.a.agno, irec->rm_startblock, + irec->rm_blockcount, irec->rm_owner, + irec->rm_offset, irec->rm_flags); + return error; +} + +/* For each rmap given, figure out if it matches the key we want. */ +STATIC int +xfs_rmap_lookup_le_range_helper( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + struct xfs_find_left_neighbor_info *info = priv; + + trace_xfs_rmap_lookup_le_range_candidate(cur->bc_mp, + cur->bc_private.a.agno, rec->rm_startblock, + rec->rm_blockcount, rec->rm_owner, rec->rm_offset, + rec->rm_flags); + + if (rec->rm_owner != info->high.rm_owner) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + if (!XFS_RMAP_NON_INODE_OWNER(rec->rm_owner) && + !(rec->rm_flags & XFS_RMAP_BMBT_BLOCK) && + (rec->rm_offset > info->high.rm_offset || + rec->rm_offset + rec->rm_blockcount <= info->high.rm_offset)) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + + *info->irec = *rec; + *info->stat = 1; + return XFS_BTREE_QUERY_RANGE_ABORT; +} + +/* + * Find the record to the left of the given extent, being careful only to + * return a match with the same owner and overlapping physical and logical + * block ranges. This is the overlapping-interval version of + * xfs_rmap_lookup_le. + */ +int +xfs_rmap_lookup_le_range( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + uint64_t owner, + uint64_t offset, + unsigned int flags, + struct xfs_rmap_irec *irec, + int *stat) +{ + struct xfs_find_left_neighbor_info info; + int error; + + info.high.rm_startblock = bno; + info.high.rm_owner = owner; + if (!XFS_RMAP_NON_INODE_OWNER(owner) && !(flags & XFS_RMAP_BMBT_BLOCK)) + info.high.rm_offset = offset; + else + info.high.rm_offset = 0; + info.high.rm_flags = flags; + info.high.rm_blockcount = 0; + *stat = 0; + info.irec = irec; + info.stat = stat; + + trace_xfs_rmap_lookup_le_range(cur->bc_mp, + cur->bc_private.a.agno, bno, 0, owner, offset, flags); + error = xfs_rmapbt_query_range(cur, &info.high, &info.high, + xfs_rmap_lookup_le_range_helper, &info); + if (error == XFS_BTREE_QUERY_RANGE_ABORT) + error = 0; + if (*stat) + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, + cur->bc_private.a.agno, irec->rm_startblock, + irec->rm_blockcount, irec->rm_owner, + irec->rm_offset, irec->rm_flags); + return error; +} + /* * Find the extent in the rmap btree and remove it. * @@ -1159,6 +1313,168 @@ xfs_rmap_unmap( } /* + * Find an extent in the rmap btree and unmap it. For rmap extent types that + * can overlap (data fork rmaps on reflink filesystems) we must be careful + * that the prev/next records in the btree might belong to another owner. + * Therefore we must use delete+insert to alter any of the key fields. + * + * For every other situation there can only be one owner for a given extent, + * so we can call the regular _free function. + */ +STATIC int +xfs_rmap_unmap_shared( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec ltrec; + uint64_t ltoff; + int error = 0; + int i; + uint64_t owner; + uint64_t offset; + unsigned int flags; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + if (unwritten) + flags |= XFS_RMAP_UNWRITTEN; + trace_xfs_rmap_unmap(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * We should always have a left record because there's a static record + * for the AG headers at rm_startblock == 0 created by mkfs/growfs that + * will not ever be removed from the tree. + */ + error = xfs_rmap_lookup_le_range(cur, bno, owner, offset, flags, + <rec, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + ltoff = ltrec.rm_offset; + + /* Make sure the extent we found covers the entire freeing range. */ + XFS_WANT_CORRUPTED_GOTO(mp, ltrec.rm_startblock <= bno && + ltrec.rm_startblock + ltrec.rm_blockcount >= + bno + len, out_error); + + /* Make sure the owner matches what we expect to find in the tree. */ + XFS_WANT_CORRUPTED_GOTO(mp, owner == ltrec.rm_owner, out_error); + + /* Make sure the unwritten flag matches. */ + XFS_WANT_CORRUPTED_GOTO(mp, (flags & XFS_RMAP_UNWRITTEN) == + (ltrec.rm_flags & XFS_RMAP_UNWRITTEN), out_error); + + /* Check the offset. */ + XFS_WANT_CORRUPTED_GOTO(mp, ltrec.rm_offset <= offset, out_error); + XFS_WANT_CORRUPTED_GOTO(mp, offset <= ltoff + ltrec.rm_blockcount, + out_error); + + if (ltrec.rm_startblock == bno && ltrec.rm_blockcount == len) { + /* Exact match, simply remove the record from rmap tree. */ + error = xfs_rmapbt_delete(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + if (error) + goto out_error; + } else if (ltrec.rm_startblock == bno) { + /* + * Overlap left hand side of extent: move the start, trim the + * length and update the current record. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrrrrrrr| + * bno len + */ + + /* Delete prev rmap. */ + error = xfs_rmapbt_delete(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + if (error) + goto out_error; + + /* Add an rmap at the new offset. */ + ltrec.rm_startblock += len; + ltrec.rm_blockcount -= len; + ltrec.rm_offset += len; + error = xfs_rmapbt_insert(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + if (error) + goto out_error; + } else if (ltrec.rm_startblock + ltrec.rm_blockcount == bno + len) { + /* + * Overlap right hand side of extent: trim the length and + * update the current record. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrrrrrrr| + * bno len + */ + error = xfs_rmap_lookup_eq(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + ltrec.rm_blockcount -= len; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else { + /* + * Overlap middle of extent: trim the length of the existing + * record to the length of the new left-extent size, increment + * the insertion position so we can insert a new record + * containing the remaining right-extent space. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrr| |rrrr| + * bno len + */ + xfs_extlen_t orig_len = ltrec.rm_blockcount; + + /* Shrink the left side of the rmap */ + error = xfs_rmap_lookup_eq(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + ltrec.rm_blockcount = bno - ltrec.rm_startblock; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + + /* Add an rmap at the new offset */ + error = xfs_rmapbt_insert(cur, bno + len, + orig_len - len - ltrec.rm_blockcount, + ltrec.rm_owner, offset + len, + ltrec.rm_flags); + if (error) + goto out_error; + } + + trace_xfs_rmap_unmap_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +out_error: + if (error) + trace_xfs_rmap_unmap_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* * Find an extent in the rmap btree and map it. */ STATIC int @@ -1172,6 +1488,159 @@ xfs_rmap_map( return __xfs_rmap_alloc(cur, bno, len, unwritten, oinfo); } +/* + * Find an extent in the rmap btree and map it. For rmap extent types that + * can overlap (data fork rmaps on reflink filesystems) we must be careful + * that the prev/next records in the btree might belong to another owner. + * Therefore we must use delete+insert to alter any of the key fields. + * + * For every other situation there can only be one owner for a given extent, + * so we can call the regular _alloc function. + */ +STATIC int +xfs_rmap_map_shared( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec ltrec; + struct xfs_rmap_irec gtrec; + int have_gt; + int have_lt; + int error = 0; + int i; + uint64_t owner; + uint64_t offset; + unsigned int flags = 0; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + if (unwritten) + flags |= XFS_RMAP_UNWRITTEN; + trace_xfs_rmap_map(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* Is there a left record that abuts our range? */ + error = xfs_rmap_find_left_neighbor(cur, bno, owner, offset, flags, + <rec, &have_lt); + if (error) + goto out_error; + if (have_lt && + !xfs_rmap_is_mergeable(<rec, owner, offset, len, flags)) + have_lt = 0; + + /* Is there a right record that abuts our range? */ + error = xfs_rmap_lookup_eq(cur, bno + len, len, owner, offset + len, + flags, &have_gt); + if (error) + goto out_error; + if (have_gt) { + error = xfs_rmap_get_rec(cur, >rec, &have_gt); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, have_gt == 1, out_error); + trace_xfs_rmap_map_gtrec(cur->bc_mp, + cur->bc_private.a.agno, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + + if (!xfs_rmap_is_mergeable(>rec, owner, offset, len, flags)) + have_gt = 0; + } + + if (have_lt && + ltrec.rm_startblock + ltrec.rm_blockcount == bno && + ltrec.rm_offset + ltrec.rm_blockcount == offset) { + /* + * Left edge contiguous, merge into left record. + * + * ltbno ltlen + * orig: |ooooooooo| + * adding: |aaaaaaaaa| + * result: |rrrrrrrrrrrrrrrrrrr| + * bno len + */ + ltrec.rm_blockcount += len; + if (have_gt && + bno + len == gtrec.rm_startblock && + offset + len == gtrec.rm_offset) { + /* + * Right edge also contiguous, delete right record + * and merge into left record. + * + * ltbno ltlen gtbno gtlen + * orig: |ooooooooo| |ooooooooo| + * adding: |aaaaaaaaa| + * result: |rrrrrrrrrrrrrrrrrrrrrrrrrrrrr| + */ + ltrec.rm_blockcount += gtrec.rm_blockcount; + error = xfs_rmapbt_delete(cur, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + if (error) + goto out_error; + } + + /* Point the cursor back to the left record and update. */ + error = xfs_rmap_lookup_eq(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else if (have_gt && + bno + len == gtrec.rm_startblock && + offset + len == gtrec.rm_offset) { + /* + * Right edge contiguous, merge into right record. + * + * gtbno gtlen + * Orig: |ooooooooo| + * adding: |aaaaaaaaa| + * Result: |rrrrrrrrrrrrrrrrrrr| + * bno len + */ + /* Delete the old record. */ + error = xfs_rmapbt_delete(cur, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + if (error) + goto out_error; + + /* Move the start and re-add it. */ + gtrec.rm_startblock = bno; + gtrec.rm_blockcount += len; + gtrec.rm_offset = offset; + error = xfs_rmapbt_insert(cur, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + if (error) + goto out_error; + } else { + /* + * No contiguous edge with identical owner, insert + * new record at current cursor position. + */ + error = xfs_rmapbt_insert(cur, bno, len, owner, offset, flags); + if (error) + goto out_error; + } + + trace_xfs_rmap_map_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +out_error: + if (error) + trace_xfs_rmap_map_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + struct xfs_rmapbt_query_range_info { xfs_rmapbt_query_range_fn fn; void *priv; @@ -1304,10 +1773,18 @@ xfs_rmap_finish_one( case XFS_RMAP_MAP: error = xfs_rmap_map(rcur, bno, blockcount, unwritten, &oinfo); break; + case XFS_RMAP_MAP_SHARED: + error = xfs_rmap_map_shared(rcur, bno, blockcount, unwritten, + &oinfo); + break; case XFS_RMAP_UNMAP: error = xfs_rmap_unmap(rcur, bno, blockcount, unwritten, &oinfo); break; + case XFS_RMAP_UNMAP_SHARED: + error = xfs_rmap_unmap_shared(rcur, bno, blockcount, unwritten, + &oinfo); + break; case XFS_RMAP_CONVERT: error = xfs_rmap_convert(rcur, bno, blockcount, !unwritten, &oinfo); @@ -1375,7 +1852,8 @@ xfs_rmap_map_extent( { struct xfs_rmap_intent ri; - ri.ri_type = XFS_RMAP_MAP; + ri.ri_type = xfs_is_reflink_inode(ip) ? XFS_RMAP_MAP_SHARED : + XFS_RMAP_MAP; ri.ri_owner = ip->i_ino; ri.ri_whichfork = whichfork; ri.ri_bmap = *PREV; @@ -1394,7 +1872,8 @@ xfs_rmap_unmap_extent( { struct xfs_rmap_intent ri; - ri.ri_type = XFS_RMAP_UNMAP; + ri.ri_type = xfs_is_reflink_inode(ip) ? XFS_RMAP_UNMAP_SHARED : + XFS_RMAP_UNMAP; ri.ri_owner = ip->i_ino; ri.ri_whichfork = whichfork; ri.ri_bmap = *PREV; diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index f398e8b..5baa81f 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -70,6 +70,13 @@ int xfs_rmapbt_insert(struct xfs_btree_cur *rcur, xfs_agblock_t agbno, int xfs_rmap_get_rec(struct xfs_btree_cur *cur, struct xfs_rmap_irec *irec, int *stat); +int xfs_rmap_find_left_neighbor(struct xfs_btree_cur *cur, xfs_agblock_t bno, + uint64_t owner, uint64_t offset, unsigned int flags, + struct xfs_rmap_irec *irec, int *stat); +int xfs_rmap_lookup_le_range(struct xfs_btree_cur *cur, xfs_agblock_t bno, + uint64_t owner, uint64_t offset, unsigned int flags, + struct xfs_rmap_irec *irec, int *stat); + /* functions for updating the rmapbt for bmbt blocks and AG btree blocks */ int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 58a700b..b2d2e0a 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -4774,9 +4774,15 @@ xlog_recover_process_rui( case XFS_RMAP_EXTENT_MAP: type = XFS_RMAP_MAP; break; + case XFS_RMAP_EXTENT_MAP_SHARED: + type = XFS_RMAP_MAP_SHARED; + break; case XFS_RMAP_EXTENT_UNMAP: type = XFS_RMAP_UNMAP; break; + case XFS_RMAP_EXTENT_UNMAP_SHARED: + type = XFS_RMAP_UNMAP_SHARED; + break; case XFS_RMAP_EXTENT_CONVERT: type = XFS_RMAP_CONVERT; break; diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 1d89f8f..d64bab7 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -2509,6 +2509,13 @@ DEFINE_RMAP_EVENT(xfs_rmap_convert_done); DEFINE_AG_ERROR_EVENT(xfs_rmap_convert_error); DEFINE_AG_ERROR_EVENT(xfs_rmap_convert_state); +DEFINE_RMAP_EVENT(xfs_rmap_unmap); +DEFINE_RMAP_EVENT(xfs_rmap_unmap_done); +DEFINE_AG_ERROR_EVENT(xfs_rmap_unmap_error); +DEFINE_RMAP_EVENT(xfs_rmap_map); +DEFINE_RMAP_EVENT(xfs_rmap_map_done); +DEFINE_AG_ERROR_EVENT(xfs_rmap_map_error); + DECLARE_EVENT_CLASS(xfs_rmapbt_class, TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t len, @@ -2560,10 +2567,15 @@ DEFINE_RMAPBT_EVENT(xfs_rmapbt_delete); DEFINE_AG_ERROR_EVENT(xfs_rmapbt_insert_error); DEFINE_AG_ERROR_EVENT(xfs_rmapbt_delete_error); DEFINE_AG_ERROR_EVENT(xfs_rmapbt_update_error); + +DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_candidate); +DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_result); +DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_query); +DEFINE_RMAPBT_EVENT(xfs_rmap_lookup_le_range_candidate); DEFINE_RMAPBT_EVENT(xfs_rmap_lookup_le_range_result); +DEFINE_RMAPBT_EVENT(xfs_rmap_lookup_le_range); DEFINE_RMAPBT_EVENT(xfs_rmap_map_gtrec); DEFINE_RMAPBT_EVENT(xfs_rmap_convert_gtrec); -DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_result); /* deferred bmbt updates */ #define DEFINE_BMAP_DEFERRED_EVENT DEFINE_RMAP_DEFERRED_EVENT From darrick.wong@oracle.com Thu Jun 16 20:29:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 929907F85 for ; Thu, 16 Jun 2016 20:29:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0CFD4AC002 for ; Thu, 16 Jun 2016 18:29:27 -0700 (PDT) X-ASG-Debug-ID: 1466126964-04cb6c542757b80001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id NaH3tix9unMRRi70 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:29:24 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1TMlo032049 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:22 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TMo5027302 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:22 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TLev021362; Fri, 17 Jun 2016 01:29:21 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:20 -0700 Subject: [PATCH 106/119] xfs: convert unwritten status of reverse mappings for shared files From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 106/119] xfs: convert unwritten status of reverse mappings for shared files To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:19 -0700 Message-ID: <146612695940.12839.9168024514454491402.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126964 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13625 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a function to convert an unwritten extent to a real one and vice versa when shared extents are possible. v2: Move rmap unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_rmap.c | 385 ++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_log_recover.c | 3 2 files changed, 387 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index a9bd522..29d08fc 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -1293,6 +1293,384 @@ xfs_rmap_convert( return __xfs_rmap_convert(cur, bno, len, unwritten, oinfo); } +/* + * Convert an unwritten extent to a real extent or vice versa. If there is no + * possibility of overlapping extents, delegate to the simpler convert + * function. + */ +STATIC int +xfs_rmap_convert_shared( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec r[4]; /* neighbor extent entries */ + /* left is 0, right is 1, prev is 2 */ + /* new is 3 */ + uint64_t owner; + uint64_t offset; + uint64_t new_endoff; + unsigned int oldext; + unsigned int newext; + unsigned int flags = 0; + int i; + int state = 0; + int error; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + ASSERT(!(XFS_RMAP_NON_INODE_OWNER(owner) || + (flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK)))); + oldext = unwritten ? XFS_RMAP_UNWRITTEN : 0; + new_endoff = offset + len; + trace_xfs_rmap_convert(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * For the initial lookup, look for and exact match or the left-adjacent + * record for our insertion point. This will also give us the record for + * start block contiguity tests. + */ + error = xfs_rmap_lookup_le_range(cur, bno, owner, offset, flags, + &PREV, &i); + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + + ASSERT(PREV.rm_offset <= offset); + ASSERT(PREV.rm_offset + PREV.rm_blockcount >= new_endoff); + ASSERT((PREV.rm_flags & XFS_RMAP_UNWRITTEN) == oldext); + newext = ~oldext & XFS_RMAP_UNWRITTEN; + + /* + * Set flags determining what part of the previous oldext allocation + * extent is being replaced by a newext allocation. + */ + if (PREV.rm_offset == offset) + state |= RMAP_LEFT_FILLING; + if (PREV.rm_offset + PREV.rm_blockcount == new_endoff) + state |= RMAP_RIGHT_FILLING; + + /* Is there a left record that abuts our range? */ + error = xfs_rmap_find_left_neighbor(cur, bno, owner, offset, newext, + &LEFT, &i); + if (error) + goto done; + if (i) { + state |= RMAP_LEFT_VALID; + XFS_WANT_CORRUPTED_GOTO(mp, + LEFT.rm_startblock + LEFT.rm_blockcount <= bno, + done); + if (xfs_rmap_is_mergeable(&LEFT, owner, offset, len, newext)) + state |= RMAP_LEFT_CONTIG; + } + + /* Is there a right record that abuts our range? */ + error = xfs_rmap_lookup_eq(cur, bno + len, len, owner, offset + len, + newext, &i); + if (error) + goto done; + if (i) { + state |= RMAP_RIGHT_VALID; + error = xfs_rmap_get_rec(cur, &RIGHT, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + XFS_WANT_CORRUPTED_GOTO(mp, bno + len <= RIGHT.rm_startblock, + done); + trace_xfs_rmap_convert_gtrec(cur->bc_mp, + cur->bc_private.a.agno, RIGHT.rm_startblock, + RIGHT.rm_blockcount, RIGHT.rm_owner, + RIGHT.rm_offset, RIGHT.rm_flags); + if (xfs_rmap_is_mergeable(&RIGHT, owner, offset, len, newext)) + state |= RMAP_RIGHT_CONTIG; + } + + /* check that left + prev + right is not too long */ + if ((state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) == + (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG) && + (unsigned long)LEFT.rm_blockcount + len + + RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX) + state &= ~RMAP_RIGHT_CONTIG; + + trace_xfs_rmap_convert_state(mp, cur->bc_private.a.agno, state, + _RET_IP_); + /* + * Switch out based on the FILLING and CONTIG state bits. + */ + switch (state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) { + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The left and right neighbors are both contiguous with new. + */ + error = xfs_rmapbt_delete(cur, RIGHT.rm_startblock, + RIGHT.rm_blockcount, RIGHT.rm_owner, + RIGHT.rm_offset, RIGHT.rm_flags); + if (error) + goto done; + error = xfs_rmapbt_delete(cur, PREV.rm_startblock, + PREV.rm_blockcount, PREV.rm_owner, + PREV.rm_offset, PREV.rm_flags); + if (error) + goto done; + NEW = LEFT; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount += PREV.rm_blockcount + RIGHT.rm_blockcount; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The left neighbor is contiguous, the right is not. + */ + error = xfs_rmapbt_delete(cur, PREV.rm_startblock, + PREV.rm_blockcount, PREV.rm_owner, + PREV.rm_offset, PREV.rm_flags); + if (error) + goto done; + NEW = LEFT; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount += PREV.rm_blockcount; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The right neighbor is contiguous, the left is not. + */ + error = xfs_rmapbt_delete(cur, RIGHT.rm_startblock, + RIGHT.rm_blockcount, RIGHT.rm_owner, + RIGHT.rm_offset, RIGHT.rm_flags); + if (error) + goto done; + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount += RIGHT.rm_blockcount; + NEW.rm_flags = RIGHT.rm_flags; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING: + /* + * Setting all of a previous oldext extent to newext. + * Neither the left nor right neighbors are contiguous with + * the new one. + */ + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_flags = newext; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG: + /* + * Setting the first part of a previous oldext extent to newext. + * The left neighbor is contiguous. + */ + NEW = PREV; + error = xfs_rmapbt_delete(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + NEW.rm_offset += len; + NEW.rm_startblock += len; + NEW.rm_blockcount -= len; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + NEW = LEFT; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount += len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING: + /* + * Setting the first part of a previous oldext extent to newext. + * The left neighbor is not contiguous. + */ + NEW = PREV; + error = xfs_rmapbt_delete(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + NEW.rm_offset += len; + NEW.rm_startblock += len; + NEW.rm_blockcount -= len; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + error = xfs_rmapbt_insert(cur, bno, len, owner, offset, newext); + if (error) + goto done; + break; + + case RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting the last part of a previous oldext extent to newext. + * The right neighbor is contiguous with the new allocation. + */ + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount = offset - NEW.rm_offset; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + NEW = RIGHT; + error = xfs_rmapbt_delete(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + NEW.rm_offset = offset; + NEW.rm_startblock = bno; + NEW.rm_blockcount += len; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + break; + + case RMAP_RIGHT_FILLING: + /* + * Setting the last part of a previous oldext extent to newext. + * The right neighbor is not contiguous. + */ + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + error = xfs_rmapbt_insert(cur, bno, len, owner, offset, newext); + if (error) + goto done; + break; + + case 0: + /* + * Setting the middle part of a previous oldext extent to + * newext. Contiguity is impossible here. + * One extent becomes three extents. + */ + /* new right extent - oldext */ + NEW.rm_startblock = bno + len; + NEW.rm_owner = owner; + NEW.rm_offset = new_endoff; + NEW.rm_blockcount = PREV.rm_offset + PREV.rm_blockcount - + new_endoff; + NEW.rm_flags = PREV.rm_flags; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, NEW.rm_offset, + NEW.rm_flags); + if (error) + goto done; + /* new left extent - oldext */ + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount = offset - NEW.rm_offset; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + /* new middle extent - newext */ + NEW.rm_startblock = bno; + NEW.rm_blockcount = len; + NEW.rm_owner = owner; + NEW.rm_offset = offset; + NEW.rm_flags = newext; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, NEW.rm_offset, + NEW.rm_flags); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_LEFT_FILLING | RMAP_RIGHT_CONTIG: + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: + case RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_LEFT_CONTIG: + case RMAP_RIGHT_CONTIG: + /* + * These cases are all impossible. + */ + ASSERT(0); + } + + trace_xfs_rmap_convert_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +done: + if (error) + trace_xfs_rmap_convert_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + #undef NEW #undef LEFT #undef RIGHT @@ -1789,6 +2167,10 @@ xfs_rmap_finish_one( error = xfs_rmap_convert(rcur, bno, blockcount, !unwritten, &oinfo); break; + case XFS_RMAP_CONVERT_SHARED: + error = xfs_rmap_convert_shared(rcur, bno, blockcount, + !unwritten, &oinfo); + break; case XFS_RMAP_ALLOC: error = __xfs_rmap_alloc(rcur, bno, blockcount, unwritten, &oinfo); @@ -1892,7 +2274,8 @@ xfs_rmap_convert_extent( { struct xfs_rmap_intent ri; - ri.ri_type = XFS_RMAP_CONVERT; + ri.ri_type = xfs_is_reflink_inode(ip) ? XFS_RMAP_CONVERT_SHARED : + XFS_RMAP_CONVERT; ri.ri_owner = ip->i_ino; ri.ri_whichfork = whichfork; ri.ri_bmap = *PREV; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index b2d2e0a..9372fc5 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -4786,6 +4786,9 @@ xlog_recover_process_rui( case XFS_RMAP_EXTENT_CONVERT: type = XFS_RMAP_CONVERT; break; + case XFS_RMAP_EXTENT_CONVERT_SHARED: + type = XFS_RMAP_CONVERT_SHARED; + break; case XFS_RMAP_EXTENT_ALLOC: type = XFS_RMAP_ALLOC; break; From darrick.wong@oracle.com Thu Jun 16 20:29:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9461F7F8E for ; Thu, 16 Jun 2016 20:29:36 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1DCC5AC002 for ; Thu, 16 Jun 2016 18:29:36 -0700 (PDT) X-ASG-Debug-ID: 1466126973-04cb6c542457b80001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id SpJfqteAnTaYSMmU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:29:34 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1TSio012709 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:29 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TRqG016131 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:28 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1TRuW029995; Fri, 17 Jun 2016 01:29:27 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:27 -0700 Subject: [PATCH 107/119] xfs: set a default CoW extent size of 32 blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 107/119] xfs: set a default CoW extent size of 32 blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:25 -0700 Message-ID: <146612696580.12839.10793081509573349729.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126974 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1029 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines If the admin doesn't set a CoW extent size or a regular extent size hint, default to creating CoW reservations 32 blocks long to reduce fragmentation. Signed-off-by: DarricK J. Wong --- fs/xfs/xfs_inode.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index fb9c2d7..f2971e2 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -80,7 +80,8 @@ xfs_get_extsz_hint( /* * Helper function to extract CoW extent size hint from inode. * Between the extent size hint and the CoW extent size hint, we - * return the greater of the two. + * return the greater of the two. If the value is zero (automatic), + * default to 32 blocks. */ xfs_extlen_t xfs_get_cowextsz_hint( @@ -93,9 +94,10 @@ xfs_get_cowextsz_hint( a = ip->i_d.di_cowextsize; b = xfs_get_extsz_hint(ip); - if (a > b) - return a; - return b; + a = max(a, b); + if (a == 0) + return 32; + return a; } /* From darrick.wong@oracle.com Thu Jun 16 20:29:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6D4ED7F9F for ; Thu, 16 Jun 2016 20:29:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 278F7304039 for ; Thu, 16 Jun 2016 18:29:39 -0700 (PDT) X-ASG-Debug-ID: 1466126977-04cbb01fef69ab0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 3ljWjPSTGT50eA1z (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:29:37 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1TZRe032147 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:35 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TYFK027536 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:35 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TX0f026018; Fri, 17 Jun 2016 01:29:34 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:33 -0700 Subject: [PATCH 108/119] xfs: don't allow realtime and reflinked files to mix From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 108/119] xfs: don't allow realtime and reflinked files to mix To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:32 -0700 Message-ID: <146612697207.12839.14767562689881261858.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126977 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1507 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines We don't support sharing blocks on the realtime device. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_inode_buf.c | 10 ++++++++++ fs/xfs/xfs_ioctl.c | 4 ++++ 2 files changed, 14 insertions(+) diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 2efa42c..c4cbd2b 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -386,6 +386,9 @@ xfs_dinode_verify( xfs_ino_t ino, struct xfs_dinode *dip) { + uint16_t flags; + uint64_t flags2; + if (dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC)) return false; @@ -402,6 +405,13 @@ xfs_dinode_verify( return false; if (!uuid_equal(&dip->di_uuid, &mp->m_sb.sb_meta_uuid)) return false; + + /* don't let reflink and realtime mix */ + flags = be16_to_cpu(dip->di_flags); + flags2 = be64_to_cpu(dip->di_flags2); + if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME)) + return false; + return true; } diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index d2b4e81..f103b15 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1031,6 +1031,10 @@ xfs_ioctl_setattr_xflags( return -EINVAL; } + /* Don't allow us to set realtime mode for a reflinked file. */ + if ((fa->fsx_xflags & FS_XFLAG_REALTIME) && xfs_is_reflink_inode(ip)) + return -EINVAL; + /* * Can't modify an immutable/append-only file unless * we have appropriate permission. From darrick.wong@oracle.com Thu Jun 16 20:29:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 133897F5A for ; Thu, 16 Jun 2016 20:29:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id CBABE304051 for ; Thu, 16 Jun 2016 18:29:48 -0700 (PDT) X-ASG-Debug-ID: 1466126986-04cbb01fee69ac0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id t7WXUIYfXUzBIud4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:29:47 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Tfom012894 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:41 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TeDU016323 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:41 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Teq7026059; Fri, 17 Jun 2016 01:29:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:39 -0700 Subject: [PATCH 109/119] xfs: don't mix reflink and DAX mode for now From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 109/119] xfs: don't mix reflink and DAX mode for now To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:38 -0700 Message-ID: <146612697833.12839.1404813608223714641.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466126987 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2358 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Since we don't have a strategy for handling both DAX and reflink, for now we'll just prohibit both being set at the same time. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_inode_buf.c | 4 ++++ fs/xfs/xfs_file.c | 4 ++++ fs/xfs/xfs_ioctl.c | 4 ++++ fs/xfs/xfs_iops.c | 1 + 4 files changed, 13 insertions(+) diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index c4cbd2b..3f7053a 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -412,6 +412,10 @@ xfs_dinode_verify( if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME)) return false; + /* don't let reflink and dax mix */ + if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags2 & XFS_DIFLAG2_DAX)) + return false; + return true; } diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index ad6a467..e8e93f8 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1126,6 +1126,10 @@ xfs_file_share_range( if (!S_ISREG(inode_in->i_mode) || !S_ISREG(inode_out->i_mode)) return -EINVAL; + /* Don't share DAX file data for now. */ + if (IS_DAX(inode_in) || IS_DAX(inode_out)) + return -EINVAL; + /* Are we going all the way to the end? */ isize = i_size_read(inode_in); if (isize == 0) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index f103b15..aa9645c 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1035,6 +1035,10 @@ xfs_ioctl_setattr_xflags( if ((fa->fsx_xflags & FS_XFLAG_REALTIME) && xfs_is_reflink_inode(ip)) return -EINVAL; + /* Don't allow us to set DAX mode for a reflinked file for now. */ + if ((fa->fsx_xflags & FS_XFLAG_DAX) && xfs_is_reflink_inode(ip)) + return -EINVAL; + /* * Can't modify an immutable/append-only file unless * we have appropriate permission. diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 0fa86bd..95073db 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1217,6 +1217,7 @@ xfs_diflags_to_iflags( inode->i_flags |= S_NOATIME; if (S_ISREG(inode->i_mode) && ip->i_mount->m_sb.sb_blocksize == PAGE_SIZE && + !xfs_is_reflink_inode(ip) && (ip->i_mount->m_flags & XFS_MOUNT_DAX || ip->i_d.di_flags2 & XFS_DIFLAG2_DAX)) inode->i_flags |= S_DAX; From darrick.wong@oracle.com Thu Jun 16 20:29:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3DB067FB5 for ; Thu, 16 Jun 2016 20:29:53 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id F1CC5304039 for ; Thu, 16 Jun 2016 18:29:52 -0700 (PDT) X-ASG-Debug-ID: 1466126991-04bdf01e1795d40001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id qQTzgf24LQOXAMfA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:29:51 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1TlgK032280 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:47 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TkFE027778 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:47 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TkZM026064; Fri, 17 Jun 2016 01:29:46 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:46 -0700 Subject: [PATCH 110/119] xfs: fail ->bmap for reflink inodes From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 110/119] xfs: fail ->bmap for reflink inodes To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:44 -0700 Message-ID: <146612698458.12839.11124463692768922526.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466126991 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1238 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Christoph Hellwig Have xfs_vm_bmap return zero for reflinked files. This hack prevents using a file with shared blocks as a swap file, because we don't want to deal with CoW when we're (probably) low on memory. Signed-off-by: Christoph Hellwig [darrick.wong@oracle.com: add a more descriptive changelog] Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_aops.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 31205fa..83fd028 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1827,6 +1827,17 @@ xfs_vm_bmap( trace_xfs_vm_bmap(XFS_I(inode)); xfs_ilock(ip, XFS_IOLOCK_SHARED); + + /* + * The swap code (ab-)uses ->bmap to get a block mapping and then + * bypasseѕ the file system for actual I/O. We really can't allow + * that on reflinks inodes, so we have to skip out here. And yes, + * 0 is the magic code for a bmap error.. + */ + if (xfs_is_reflink_inode(ip)) { + xfs_iunlock(ip, XFS_IOLOCK_SHARED); + return 0; + } filemap_write_and_wait(mapping); xfs_iunlock(ip, XFS_IOLOCK_SHARED); return generic_block_bmap(mapping, block, xfs_get_blocks); From darrick.wong@oracle.com Thu Jun 16 20:30:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C724A7FB1 for ; Thu, 16 Jun 2016 20:30:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 87017304048 for ; Thu, 16 Jun 2016 18:30:02 -0700 (PDT) X-ASG-Debug-ID: 1466127000-04bdf01e1095d90001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id fQEameOAHLXqMZ3v (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Tt1h012926 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:29:55 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1TtZJ021652 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:29:55 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TqG8009314; Fri, 17 Jun 2016 01:29:53 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:52 -0700 Subject: [PATCH 111/119] xfs: recognize the reflink feature bit From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 111/119] xfs: recognize the reflink feature bit To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:50 -0700 Message-ID: <146612699086.12839.3691139509716303306.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127000 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1734 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add the reflink feature flag to the set of recognized feature flags. This enables users to write to reflink filesystems. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_format.h | 3 ++- fs/xfs/xfs_super.c | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index a35f4e5..211a8b5 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -459,7 +459,8 @@ xfs_sb_has_compat_feature( #define XFS_SB_FEAT_RO_COMPAT_REFLINK (1 << 2) /* reflinked files */ #define XFS_SB_FEAT_RO_COMPAT_ALL \ (XFS_SB_FEAT_RO_COMPAT_FINOBT | \ - XFS_SB_FEAT_RO_COMPAT_RMAPBT) + XFS_SB_FEAT_RO_COMPAT_RMAPBT | \ + XFS_SB_FEAT_RO_COMPAT_REFLINK) #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL static inline bool xfs_sb_has_ro_compat_feature( diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 93d159a..5fdf2e7 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1587,6 +1587,9 @@ xfs_fs_fill_super( "DAX unsupported by block device. Turning off DAX."); mp->m_flags &= ~XFS_MOUNT_DAX; } + if (xfs_sb_version_hasreflink(&mp->m_sb)) + xfs_alert(mp, + "DAX and reflink have not been tested together!"); } if (xfs_sb_version_hassparseinodes(&mp->m_sb)) @@ -1597,6 +1600,10 @@ xfs_fs_fill_super( xfs_alert(mp, "EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!"); + if (xfs_sb_version_hasreflink(&mp->m_sb)) + xfs_alert(mp, + "EXPERIMENTAL reflink feature enabled. Use at your own risk!"); + error = xfs_mountfs(mp); if (error) goto out_filestream_unmount; From darrick.wong@oracle.com Thu Jun 16 20:30:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9DF8A7FC8 for ; Thu, 16 Jun 2016 20:30:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6A9EB304039 for ; Thu, 16 Jun 2016 18:30:11 -0700 (PDT) X-ASG-Debug-ID: 1466127006-04cb6c542557bc0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 5byMWYv0RRqpOPgX (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1U09T012944 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:00 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Tx14016598 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:00 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1TxWV026139; Fri, 17 Jun 2016 01:29:59 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:29:58 -0700 Subject: [PATCH 112/119] xfs: introduce the XFS_IOC_GETFSMAPX ioctl From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 112/119] xfs: introduce the XFS_IOC_GETFSMAPX ioctl To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:29:57 -0700 Message-ID: <146612699713.12839.10667733856057619716.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127007 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 24146 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Introduce a new ioctl that uses the reverse mapping btree to return information about the physical layout of the filesystem. v2: shorten the device field to u32 since that's all we need for dev_t. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_fs.h | 62 ++++++++ fs/xfs/libxfs/xfs_refcount.c | 51 +++++- fs/xfs/libxfs/xfs_refcount.h | 4 fs/xfs/xfs_fsops.c | 338 ++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_fsops.h | 6 + fs/xfs/xfs_ioctl.c | 76 +++++++++ fs/xfs/xfs_ioctl32.c | 1 fs/xfs/xfs_trace.h | 76 +++++++++ 8 files changed, 600 insertions(+), 14 deletions(-) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 10ebf99..8a1b96a 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -93,6 +93,67 @@ struct getbmapx { #define BMV_OF_SHARED 0x8 /* segment shared with another file */ /* + * Structure for XFS_IOC_GETFSMAPX. + * + * Similar to XFS_IOC_GETBMAPX, the first two elements in the array are + * used to constrain the output. The first element in the array should + * represent the lowest disk address that the user wants to learn about. + * The second element in the array should represent the highest disk + * address to query. Subsequent array elements will be filled out by the + * command. + * + * The fmv_iflags field is only used in the first structure. The + * fmv_oflags field is filled in for each returned structure after the + * second structure. The fmv_unused1 fields in the first two array + * elements must be zero. + * + * The fmv_count, fmv_entries, and fmv_iflags fields in the second array + * element must be zero. + * + * fmv_block, fmv_offset, and fmv_length are expressed in units of 512 + * byte sectors. + */ +#ifndef HAVE_GETFSMAPX +struct getfsmapx { + __u32 fmv_device; /* device id */ + __u32 fmv_unused1; /* future use, must be zero */ + __u64 fmv_block; /* starting block */ + __u64 fmv_owner; /* owner id */ + __u64 fmv_offset; /* file offset of segment */ + __u64 fmv_length; /* length of segment, blocks */ + __u32 fmv_oflags; /* mapping flags */ + __u32 fmv_iflags; /* control flags (1st structure) */ + __u32 fmv_count; /* # of entries in array incl. input */ + __u32 fmv_entries; /* # of entries filled in (output). */ + __u64 fmv_unused2; /* future use, must be zero */ +}; +#endif + +/* fmv_flags values - set by XFS_IOC_GETFSMAPX caller. */ +/* no flags defined yet */ +#define FMV_IF_VALID 0 + +/* fmv_flags values - returned for each non-header segment */ +#define FMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ +#define FMV_OF_ATTR_FORK 0x2 /* segment = attribute fork */ +#define FMV_OF_EXTENT_MAP 0x4 /* segment = extent map */ +#define FMV_OF_SHARED 0x8 /* segment = shared with another file */ +#define FMV_OF_SPECIAL_OWNER 0x10 /* owner is a special value */ +#define FMV_OF_LAST 0x20 /* segment is the last in the FS */ + +/* fmv_owner special values */ +#define FMV_OWN_FREE (-1ULL) /* free space */ +#define FMV_OWN_UNKNOWN (-2ULL) /* unknown owner */ +#define FMV_OWN_FS (-3ULL) /* static fs metadata */ +#define FMV_OWN_LOG (-4ULL) /* journalling log */ +#define FMV_OWN_AG (-5ULL) /* per-AG metadata */ +#define FMV_OWN_INOBT (-6ULL) /* inode btree blocks */ +#define FMV_OWN_INODES (-7ULL) /* inodes */ +#define FMV_OWN_REFC (-8ULL) /* refcount tree */ +#define FMV_OWN_COW (-9ULL) /* cow allocations */ +#define FMV_OWN_DEFECTIVE (-10ULL) /* bad blocks */ + +/* * Structure for XFS_IOC_FSSETDM. * For use by backup and restore programs to set the XFS on-disk inode * fields di_dmevmask and di_dmstate. These must be set to exactly and @@ -502,6 +563,7 @@ typedef struct xfs_swapext #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) +#define XFS_IOC_GETFSMAPX _IOWR('X', 59, struct getfsmapx) /* * ioctl commands that replace IRIX syssgi()'s diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index fd4369f..e8d8702 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -1172,8 +1172,9 @@ xfs_refcount_decrease_extent( * extent we find. If no shared blocks are found, flen will be set to zero. */ int -xfs_refcount_find_shared( +__xfs_refcount_find_shared( struct xfs_mount *mp, + struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen, @@ -1182,23 +1183,13 @@ xfs_refcount_find_shared( bool find_maximal) { struct xfs_btree_cur *cur; - struct xfs_buf *agbp; struct xfs_refcount_irec tmp; - int error; int i, have; int bt_error = XFS_BTREE_ERROR; + int error; trace_xfs_refcount_find_shared(mp, agno, agbno, aglen); - if (xfs_always_cow) { - *fbno = agbno; - *flen = aglen; - return 0; - } - - error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); - if (error) - goto out; cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); /* By default, skip the whole range */ @@ -1273,14 +1264,46 @@ done: out_error: xfs_btree_del_cursor(cur, bt_error); - xfs_buf_relse(agbp); -out: if (error) trace_xfs_refcount_find_shared_error(mp, agno, error, _RET_IP_); return error; } /* + * Given an AG extent, find the lowest-numbered run of shared blocks within + * that range and return the range in fbno/flen. + */ +int +xfs_refcount_find_shared( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + xfs_agblock_t *fbno, + xfs_extlen_t *flen, + bool find_maximal) +{ + struct xfs_buf *agbp; + int error; + + if (xfs_always_cow) { + *fbno = agbno; + *flen = aglen; + return 0; + } + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + return error; + + error = __xfs_refcount_find_shared(mp, agbp, agno, agbno, aglen, + fbno, flen, find_maximal); + + xfs_buf_relse(agbp); + return error; +} + +/* * Recovering CoW Blocks After a Crash * * Due to the way that the copy on write mechanism works, there's a window of diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h index 6665eeb..44b0346 100644 --- a/fs/xfs/libxfs/xfs_refcount.h +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -53,6 +53,10 @@ extern int xfs_refcount_finish_one(struct xfs_trans *tp, xfs_fsblock_t startblock, xfs_extlen_t blockcount, xfs_extlen_t *adjusted, struct xfs_btree_cur **pcur); +extern int __xfs_refcount_find_shared(struct xfs_mount *mp, + struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t agbno, + xfs_extlen_t aglen, xfs_agblock_t *fbno, xfs_extlen_t *flen, + bool find_maximal); extern int xfs_refcount_find_shared(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno, xfs_extlen_t *flen, bool find_maximal); diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index e76aefc..e69d9cf 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -44,6 +44,8 @@ #include "xfs_filestream.h" #include "xfs_refcount_btree.h" #include "xfs_ag_resv.h" +#include "xfs_bit.h" +#include "xfs_refcount.h" /* * File system operations @@ -1027,3 +1029,339 @@ xfs_fs_unreserve_ag_blocks( if (error) xfs_warn(mp, "Error %d unreserving metadata blocks.", error); } + +struct xfs_getfsmap_info { + struct getfsmapx *fmv; + xfs_fsmap_format_t formatter; + void *format_arg; + xfs_daddr_t next_daddr; + bool last; + xfs_agnumber_t start_ag; + struct xfs_rmap_irec low; +}; + +/* Compare a record against our starting point */ +static bool +xfs_getfsmap_compare( + xfs_agnumber_t agno, + struct xfs_getfsmap_info *info, + struct xfs_rmap_irec *rec) +{ + uint64_t x, y; + + if (rec->rm_startblock < info->low.rm_startblock) + return true; + if (rec->rm_startblock > info->low.rm_startblock) + return false; + + if (rec->rm_owner < info->low.rm_owner) + return true; + if (rec->rm_owner > info->low.rm_owner) + return false; + + x = xfs_rmap_irec_offset_pack(rec); + y = xfs_rmap_irec_offset_pack(&info->low); + if (x < y) + return true; + return false; +} + +STATIC bool +xfs_getfsmap_is_shared( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec) +{ + xfs_agblock_t fbno; + xfs_extlen_t flen; + int error; + + if (!xfs_sb_version_hasreflink(&cur->bc_mp->m_sb)) + return false; + + /* Are there any shared blocks here? */ + flen = 0; + error = __xfs_refcount_find_shared(cur->bc_mp, cur->bc_private.a.agbp, + cur->bc_private.a.agno, rec->rm_startblock, + rec->rm_blockcount, &fbno, &flen, false); + return error == 0 && flen > 0; +} + +/* Transform a rmap irec into a fsmapx */ +STATIC int +xfs_getfsmap_helper( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_getfsmap_info *info = priv; + xfs_fsblock_t fsb; + struct getfsmapx fmv; + xfs_daddr_t rec_daddr; + int error; + + fsb = XFS_AGB_TO_FSB(mp, cur->bc_private.a.agno, + rec->rm_startblock); + rec_daddr = XFS_FSB_TO_DADDR(mp, fsb); + + /* + * Filter out records that start before our startpoint, if the caller + * requested that. + */ + if (info->fmv->fmv_length && + xfs_getfsmap_compare(cur->bc_private.a.agno, info, rec)) { + rec_daddr = XFS_FSB_TO_DADDR(mp, fsb + + rec->rm_blockcount); + if (info->next_daddr < rec_daddr) + info->next_daddr = rec_daddr; + return XFS_BTREE_QUERY_RANGE_CONTINUE; + } + + /* We're just counting mappings */ + if (info->fmv->fmv_count == 2) { + if (rec_daddr > info->next_daddr) + info->fmv->fmv_entries++; + + if (info->last) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + + info->fmv->fmv_entries++; + + rec_daddr = XFS_FSB_TO_DADDR(mp, fsb + + rec->rm_blockcount); + if (info->next_daddr < rec_daddr) + info->next_daddr = rec_daddr; + return XFS_BTREE_QUERY_RANGE_CONTINUE; + } + + /* Did we find some free space? */ + if (rec_daddr > info->next_daddr) { + if (info->fmv->fmv_entries >= info->fmv->fmv_count - 2) + return XFS_BTREE_QUERY_RANGE_ABORT; + + trace_xfs_fsmap_mapping(mp, cur->bc_private.a.agno, + XFS_DADDR_TO_FSB(mp, info->next_daddr), + XFS_DADDR_TO_FSB(mp, rec_daddr - + info->next_daddr), + FMV_OWN_FREE, 0); + + fmv.fmv_device = new_encode_dev(mp->m_ddev_targp->bt_dev); + fmv.fmv_block = info->next_daddr; + fmv.fmv_owner = FMV_OWN_FREE; + fmv.fmv_offset = 0; + fmv.fmv_length = rec_daddr - info->next_daddr; + fmv.fmv_oflags = FMV_OF_SPECIAL_OWNER; + fmv.fmv_count = 0; + fmv.fmv_entries = 0; + fmv.fmv_unused1 = 0; + fmv.fmv_unused2 = 0; + error = info->formatter(&fmv, info->format_arg); + if (error) + return error; + info->fmv->fmv_entries++; + } + + if (info->last) + goto out; + + /* Fill out the extent we found */ + if (info->fmv->fmv_entries >= info->fmv->fmv_count - 2) + return XFS_BTREE_QUERY_RANGE_ABORT; + + trace_xfs_fsmap_mapping(mp, cur->bc_private.a.agno, + rec->rm_startblock, rec->rm_blockcount, rec->rm_owner, + rec->rm_offset); + + fmv.fmv_device = new_encode_dev(mp->m_ddev_targp->bt_dev); + fmv.fmv_block = rec_daddr; + fmv.fmv_owner = rec->rm_owner; + fmv.fmv_offset = XFS_FSB_TO_BB(mp, rec->rm_offset); + fmv.fmv_length = XFS_FSB_TO_BB(mp, rec->rm_blockcount); + fmv.fmv_oflags = 0; + fmv.fmv_count = 0; + fmv.fmv_entries = 0; + fmv.fmv_unused1 = 0; + fmv.fmv_unused2 = 0; + if (XFS_RMAP_NON_INODE_OWNER(rec->rm_owner)) + fmv.fmv_oflags |= FMV_OF_SPECIAL_OWNER; + if (rec->rm_flags & XFS_RMAP_UNWRITTEN) + fmv.fmv_oflags |= FMV_OF_PREALLOC; + if (rec->rm_flags & XFS_RMAP_ATTR_FORK) + fmv.fmv_oflags |= FMV_OF_ATTR_FORK; + if (rec->rm_flags & XFS_RMAP_BMBT_BLOCK) + fmv.fmv_oflags |= FMV_OF_EXTENT_MAP; + if (fmv.fmv_oflags == 0 && xfs_getfsmap_is_shared(cur, rec)) + fmv.fmv_oflags |= FMV_OF_SHARED; + error = info->formatter(&fmv, info->format_arg); + if (error) + return error; + info->fmv->fmv_entries++; + +out: + rec_daddr = XFS_FSB_TO_DADDR(mp, fsb + rec->rm_blockcount); + if (info->next_daddr < rec_daddr) + info->next_daddr = rec_daddr; + return XFS_BTREE_QUERY_RANGE_CONTINUE; +} + +/* Do we recognize the device? */ +STATIC bool +xfs_getfsmap_is_valid_device( + struct xfs_mount *mp, + struct getfsmapx *fmv) +{ + return fmv->fmv_device == 0 || fmv->fmv_device == UINT_MAX || + fmv->fmv_device == new_encode_dev(mp->m_ddev_targp->bt_dev); +} + +/* + * Get filesystem's extents as described in fmv, and format for + * output. Calls formatter to fill the user's buffer until all + * extents are mapped, until the passed-in fmv->fmv_count slots have + * been filled, or until the formatter short-circuits the loop, if it + * is tracking filled-in extents on its own. + */ +int +xfs_getfsmap( + struct xfs_mount *mp, + struct getfsmapx *fmv, + xfs_fsmap_format_t formatter, + void *arg) +{ + struct xfs_getfsmap_info info; + struct xfs_buf *agbp = NULL; + struct xfs_btree_cur *bt_cur = NULL; + struct getfsmapx *fmv_low; + struct getfsmapx *fmv_high; + struct xfs_rmap_irec high; + xfs_fsblock_t start_fsb; + xfs_fsblock_t end_fsb; + xfs_agnumber_t end_ag; + xfs_agnumber_t agno; + xfs_daddr_t eofs; + xfs_extlen_t extlen; + int error = 0; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return -EOPNOTSUPP; + if (fmv->fmv_count < 2) + return -EINVAL; + if (fmv->fmv_iflags & (~FMV_IF_VALID)) + return -EINVAL; + fmv_low = fmv; + fmv_high = fmv + 1; + if (!xfs_getfsmap_is_valid_device(mp, fmv) || + !xfs_getfsmap_is_valid_device(mp, fmv_high) || + fmv_high->fmv_iflags || fmv_high->fmv_count || + fmv_high->fmv_length || fmv_high->fmv_entries || + fmv_high->fmv_unused1 || fmv->fmv_unused1 || + fmv_high->fmv_unused2 || fmv->fmv_unused2) + return -EINVAL; + + fmv->fmv_entries = 0; + eofs = XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks); + if (fmv->fmv_block >= eofs) + return 0; + if (fmv_high->fmv_block >= eofs) + fmv_high->fmv_block = eofs - 1; + start_fsb = XFS_DADDR_TO_FSB(mp, fmv->fmv_block); + end_fsb = XFS_DADDR_TO_FSB(mp, fmv_high->fmv_block); + + /* Set up search keys */ + info.low.rm_startblock = XFS_FSB_TO_AGBNO(mp, start_fsb); + info.low.rm_offset = XFS_DADDR_TO_FSB(mp, fmv->fmv_offset); + info.low.rm_owner = fmv->fmv_owner; + info.low.rm_blockcount = 0; + extlen = XFS_DADDR_TO_FSB(mp, fmv->fmv_length); + if (fmv->fmv_oflags & (FMV_OF_SPECIAL_OWNER | FMV_OF_EXTENT_MAP)) { + info.low.rm_startblock += extlen; + info.low.rm_owner = 0; + info.low.rm_offset = 0; + } else + info.low.rm_offset += extlen; + if (fmv->fmv_oflags & FMV_OF_ATTR_FORK) + info.low.rm_flags |= XFS_RMAP_ATTR_FORK; + if (fmv->fmv_oflags & FMV_OF_EXTENT_MAP) + info.low.rm_flags |= XFS_RMAP_BMBT_BLOCK; + if (fmv->fmv_oflags & FMV_OF_PREALLOC) + info.low.rm_flags |= XFS_RMAP_UNWRITTEN; + + high.rm_startblock = -1U; + high.rm_owner = ULLONG_MAX; + high.rm_offset = ULLONG_MAX; + high.rm_blockcount = 0; + high.rm_flags = XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK | + XFS_RMAP_UNWRITTEN; + info.fmv = fmv; + info.formatter = formatter; + info.format_arg = arg; + info.last = false; + + info.start_ag = XFS_FSB_TO_AGNO(mp, start_fsb); + end_ag = XFS_FSB_TO_AGNO(mp, end_fsb); + info.next_daddr = XFS_FSB_TO_DADDR(mp, XFS_AGB_TO_FSB(mp, info.start_ag, + info.low.rm_startblock)); + + /* Query each AG */ + for (agno = info.start_ag; agno <= end_ag; agno++) { + if (agno == end_ag) { + high.rm_startblock = XFS_FSB_TO_AGBNO(mp, end_fsb); + high.rm_offset = XFS_DADDR_TO_FSB(mp, + fmv_high->fmv_offset); + high.rm_owner = fmv_high->fmv_owner; + if (fmv_high->fmv_oflags & FMV_OF_ATTR_FORK) + high.rm_flags |= XFS_RMAP_ATTR_FORK; + if (fmv_high->fmv_oflags & FMV_OF_EXTENT_MAP) + high.rm_flags |= XFS_RMAP_BMBT_BLOCK; + if (fmv_high->fmv_oflags & FMV_OF_PREALLOC) + high.rm_flags |= XFS_RMAP_UNWRITTEN; + } + + if (bt_cur) { + xfs_btree_del_cursor(bt_cur, XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, agbp); + bt_cur = NULL; + agbp = NULL; + } + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + goto err; + + trace_xfs_fsmap_low_key(mp, agno, info.low.rm_startblock, + info.low.rm_blockcount, info.low.rm_owner, + info.low.rm_offset); + + trace_xfs_fsmap_high_key(mp, agno, high.rm_startblock, + high.rm_blockcount, high.rm_owner, + high.rm_offset); + + bt_cur = xfs_rmapbt_init_cursor(mp, NULL, agbp, agno); + error = xfs_rmapbt_query_range(bt_cur, &info.low, &high, + xfs_getfsmap_helper, &info); + if (error) + goto err; + + if (agno == info.start_ag) { + info.low.rm_startblock = 0; + info.low.rm_owner = 0; + info.low.rm_offset = 0; + info.low.rm_flags = 0; + } + } + + /* Report any free space at the end of the AG */ + info.last = true; + error = xfs_getfsmap_helper(bt_cur, &high, &info); + if (error) + goto err; + +err: + if (bt_cur) + xfs_btree_del_cursor(bt_cur, error < 0 ? XFS_BTREE_ERROR : + XFS_BTREE_NOERROR); + if (agbp) + xfs_trans_brelse(NULL, agbp); + + return error; +} diff --git a/fs/xfs/xfs_fsops.h b/fs/xfs/xfs_fsops.h index 71e3248..8101fb9 100644 --- a/fs/xfs/xfs_fsops.h +++ b/fs/xfs/xfs_fsops.h @@ -29,4 +29,10 @@ extern int xfs_fs_goingdown(xfs_mount_t *mp, __uint32_t inflags); extern void xfs_fs_reserve_ag_blocks(struct xfs_mount *mp); extern void xfs_fs_unreserve_ag_blocks(struct xfs_mount *mp); +/* fsmap to userspace formatter - copy to user & advance pointer */ +typedef int (*xfs_fsmap_format_t)(struct getfsmapx *, void *); + +int xfs_getfsmap(struct xfs_mount *mp, struct getfsmapx *fmv, + xfs_fsmap_format_t formatter, void *arg); + #endif /* __XFS_FSOPS_H__ */ diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index aa9645c..736e747 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -42,6 +42,7 @@ #include "xfs_pnfs.h" #include "xfs_acl.h" #include "xfs_reflink.h" +#include "xfs_btree.h" #include #include @@ -1611,6 +1612,76 @@ xfs_ioc_getbmapx( return 0; } +struct getfsmapx_info { + struct xfs_mount *mp; + struct getfsmapx __user *data; + __s64 last_flags; +}; + +STATIC int +xfs_getfsmapx_format(struct getfsmapx *fmv, void *priv) +{ + struct getfsmapx_info *info = priv; + + trace_xfs_getfsmap_mapping(info->mp, fmv->fmv_block, + fmv->fmv_length, fmv->fmv_owner, + fmv->fmv_offset, fmv->fmv_oflags); + + info->last_flags = fmv->fmv_oflags; + if (copy_to_user(info->data, fmv, sizeof(struct getfsmapx))) + return -EFAULT; + + info->data++; + return 0; +} + +STATIC int +xfs_ioc_getfsmapx( + struct xfs_inode *ip, + void __user *arg) +{ + struct getfsmapx_info info; + struct getfsmapx fmx[2]; + bool aborted = false; + int error; + + if (copy_from_user(&fmx, arg, 2 * sizeof(struct getfsmapx))) + return -EFAULT; + + trace_xfs_getfsmap_low_key(ip->i_mount, fmx[0].fmv_block, + fmx[0].fmv_length, fmx[0].fmv_owner, + fmx[0].fmv_offset, fmx[0].fmv_oflags); + + trace_xfs_getfsmap_high_key(ip->i_mount, fmx[1].fmv_block, + fmx[1].fmv_length, fmx[1].fmv_owner, + fmx[1].fmv_offset, fmx[1].fmv_oflags); + + info.mp = ip->i_mount; + info.data = (__force struct getfsmapx *)arg + 2; + error = xfs_getfsmap(ip->i_mount, fmx, xfs_getfsmapx_format, &info); + if (error == XFS_BTREE_QUERY_RANGE_ABORT) { + error = 0; + aborted = true; + } + if (error) + return error; + + /* If we didn't abort, set the "last" flag in the last fmx */ + if (!aborted && fmx[0].fmv_entries) { + info.data--; + info.last_flags |= FMV_OF_LAST; + if (copy_to_user(&info.data->fmv_oflags, &info.last_flags, + sizeof(info.last_flags))) + return -EFAULT; + } + + /* copy back header */ + if (copy_to_user(arg, fmx, 2 * sizeof(struct getfsmapx))) + return -EFAULT; + + return 0; +} + int xfs_ioc_swapext( xfs_swapext_t *sxp) @@ -1784,6 +1855,11 @@ xfs_file_ioctl( case XFS_IOC_GETBMAPX: return xfs_ioc_getbmapx(ip, arg); + case XFS_IOC_GETFSMAPX: + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + return xfs_ioc_getfsmapx(ip, arg); + case XFS_IOC_FD_TO_HANDLE: case XFS_IOC_PATH_TO_HANDLE: case XFS_IOC_PATH_TO_FSHANDLE: { diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index 1a05d8a..337e436 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -558,6 +558,7 @@ xfs_file_compat_ioctl( case XFS_IOC_GOINGDOWN: case XFS_IOC_ERROR_INJECTION: case XFS_IOC_ERROR_CLEARALL: + case XFS_IOC_GETFSMAPX: return xfs_file_ioctl(filp, cmd, p); #ifndef BROKEN_X86_ALIGNMENT /* These are handled fine if no alignment issues */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index d64bab7..9fe812f 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -3352,6 +3352,82 @@ DEFINE_INODE_EVENT(xfs_reflink_cancel_pending_cow); DEFINE_INODE_IREC_EVENT(xfs_reflink_cancel_cow); DEFINE_INODE_ERROR_EVENT(xfs_reflink_cancel_pending_cow_error); +/* fsmap traces */ +DECLARE_EVENT_CLASS(xfs_fsmap_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno, + xfs_extlen_t len, __uint64_t owner, __uint64_t offset), + TP_ARGS(mp, agno, agbno, len, owner, offset), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, agbno) + __field(xfs_extlen_t, len) + __field(__uint64_t, owner) + __field(__uint64_t, offset) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->agbno = agbno; + __entry->len = len; + __entry->owner = owner; + __entry->offset = offset; + ), + TP_printk("dev %d:%d agno %u agbno %u len %u owner %lld offset 0x%llx\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->agbno, + __entry->len, + __entry->owner, + __entry->offset) +) +#define DEFINE_FSMAP_EVENT(name) \ +DEFINE_EVENT(xfs_fsmap_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ + xfs_agblock_t agbno, xfs_extlen_t len, __uint64_t owner, \ + __uint64_t offset), \ + TP_ARGS(mp, agno, agbno, len, owner, offset)) +DEFINE_FSMAP_EVENT(xfs_fsmap_low_key); +DEFINE_FSMAP_EVENT(xfs_fsmap_high_key); +DEFINE_FSMAP_EVENT(xfs_fsmap_mapping); + +DECLARE_EVENT_CLASS(xfs_getfsmap_class, + TP_PROTO(struct xfs_mount *mp, xfs_daddr_t block, xfs_daddr_t len, + __uint64_t owner, __uint64_t offset, __uint64_t flags), + TP_ARGS(mp, block, len, owner, offset, flags), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_daddr_t, block) + __field(xfs_daddr_t, len) + __field(__uint64_t, owner) + __field(__uint64_t, offset) + __field(__uint64_t, flags) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->block = block; + __entry->len = len; + __entry->owner = owner; + __entry->offset = offset; + __entry->flags = flags; + ), + TP_printk("dev %d:%d block %llu len %llu owner %lld offset %llu flags 0x%llx\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->block, + __entry->len, + __entry->owner, + __entry->offset, + __entry->flags) +) +#define DEFINE_GETFSMAP_EVENT(name) \ +DEFINE_EVENT(xfs_getfsmap_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_daddr_t block, xfs_daddr_t len, \ + __uint64_t owner, __uint64_t offset, __uint64_t flags), \ + TP_ARGS(mp, block, len, owner, offset, flags)) +DEFINE_GETFSMAP_EVENT(xfs_getfsmap_low_key); +DEFINE_GETFSMAP_EVENT(xfs_getfsmap_high_key); +DEFINE_GETFSMAP_EVENT(xfs_getfsmap_mapping); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:30:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B7D377F8B for ; Thu, 16 Jun 2016 20:30:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1FD35AC001 for ; Thu, 16 Jun 2016 18:30:13 -0700 (PDT) X-ASG-Debug-ID: 1466127008-04cb6c542457bc0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id wdxkCocmbP94H7W8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:09 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1U6ZQ032697 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:06 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1U6h6017405 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:06 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1U5jG026176; Fri, 17 Jun 2016 01:30:05 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:05 -0700 Subject: [PATCH 113/119] xfs: scrub btree records and pointers while querying From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 113/119] xfs: scrub btree records and pointers while querying To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:03 -0700 Message-ID: <146612700354.12839.18272855403371334654.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127009 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 22426 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a function that walks a btree, checking the integrity of each btree block (headers, keys, records) and calling back to the caller to perform further checks on the records. v2: Prefix function names with xfs_ Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/libxfs/xfs_alloc.c | 33 +++ fs/xfs/libxfs/xfs_alloc.h | 3 fs/xfs/libxfs/xfs_btree.c | 12 + fs/xfs/libxfs/xfs_btree.h | 15 +- fs/xfs/libxfs/xfs_format.h | 2 fs/xfs/libxfs/xfs_rmap.c | 39 ++++ fs/xfs/libxfs/xfs_rmap_btree.h | 3 fs/xfs/libxfs/xfs_scrub.c | 396 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_scrub.h | 76 ++++++++ 10 files changed, 571 insertions(+), 9 deletions(-) create mode 100644 fs/xfs/libxfs/xfs_scrub.c create mode 100644 fs/xfs/libxfs/xfs_scrub.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 56c384b..8942390 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -58,6 +58,7 @@ xfs-y += $(addprefix libxfs/, \ xfs_refcount.o \ xfs_refcount_btree.o \ xfs_sb.o \ + xfs_scrub.o \ xfs_symlink_remote.o \ xfs_trans_resv.o \ ) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 188c359a..6fc1981 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2924,3 +2924,36 @@ err: xfs_trans_brelse(tp, agbp); return error; } + +/* Is there a record covering a given extent? */ +int +xfs_alloc_record_exists( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool *is_freesp) +{ + int stat; + xfs_agblock_t fbno; + xfs_extlen_t flen; + int error; + + error = xfs_alloc_lookup_le(cur, bno, len, &stat); + if (error) + return error; + if (!stat) { + *is_freesp = false; + return 0; + } + + error = xfs_alloc_get_rec(cur, &fbno, &flen, &stat); + if (error) + return error; + if (!stat) { + *is_freesp = false; + return 0; + } + + *is_freesp = (fbno <= bno && fbno + flen >= bno + len); + return 0; +} diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index 9f6373a4..4f2ce38 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -210,4 +210,7 @@ int xfs_free_extent_fix_freelist(struct xfs_trans *tp, xfs_agnumber_t agno, xfs_extlen_t xfs_prealloc_blocks(struct xfs_mount *mp); +int xfs_alloc_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, + xfs_extlen_t len, bool *is_freesp); + #endif /* __XFS_ALLOC_H__ */ diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 9c84184..5260085 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -549,7 +549,7 @@ xfs_btree_ptr_offset( /* * Return a pointer to the n-th record in the btree block. */ -STATIC union xfs_btree_rec * +union xfs_btree_rec * xfs_btree_rec_addr( struct xfs_btree_cur *cur, int n, @@ -562,7 +562,7 @@ xfs_btree_rec_addr( /* * Return a pointer to the n-th key in the btree block. */ -STATIC union xfs_btree_key * +union xfs_btree_key * xfs_btree_key_addr( struct xfs_btree_cur *cur, int n, @@ -575,7 +575,7 @@ xfs_btree_key_addr( /* * Return a pointer to the n-th high key in the btree block. */ -STATIC union xfs_btree_key * +union xfs_btree_key * xfs_btree_high_key_addr( struct xfs_btree_cur *cur, int n, @@ -588,7 +588,7 @@ xfs_btree_high_key_addr( /* * Return a pointer to the n-th block pointer in the btree block. */ -STATIC union xfs_btree_ptr * +union xfs_btree_ptr * xfs_btree_ptr_addr( struct xfs_btree_cur *cur, int n, @@ -622,7 +622,7 @@ xfs_btree_get_iroot( * Retrieve the block pointer from the cursor at the given level. * This may be an inode btree root or from a buffer. */ -STATIC struct xfs_btree_block * /* generic btree block pointer */ +struct xfs_btree_block * /* generic btree block pointer */ xfs_btree_get_block( struct xfs_btree_cur *cur, /* btree cursor */ int level, /* level in btree */ @@ -1733,7 +1733,7 @@ error0: return error; } -STATIC int +int xfs_btree_lookup_get_block( struct xfs_btree_cur *cur, /* btree cursor */ int level, /* level in the btree */ diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index dbf299f..6f22cb0 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -194,7 +194,6 @@ struct xfs_btree_ops { const struct xfs_buf_ops *buf_ops; -#if defined(DEBUG) || defined(XFS_WARN) /* check that k1 is lower than k2 */ int (*keys_inorder)(struct xfs_btree_cur *cur, union xfs_btree_key *k1, @@ -204,7 +203,6 @@ struct xfs_btree_ops { int (*recs_inorder)(struct xfs_btree_cur *cur, union xfs_btree_rec *r1, union xfs_btree_rec *r2); -#endif }; /* btree ops flags */ @@ -537,4 +535,17 @@ int xfs_btree_visit_blocks(struct xfs_btree_cur *cur, int xfs_btree_count_blocks(struct xfs_btree_cur *cur, xfs_extlen_t *blocks); +union xfs_btree_rec *xfs_btree_rec_addr(struct xfs_btree_cur *cur, int n, + struct xfs_btree_block *block); +union xfs_btree_key *xfs_btree_key_addr(struct xfs_btree_cur *cur, int n, + struct xfs_btree_block *block); +union xfs_btree_key *xfs_btree_high_key_addr(struct xfs_btree_cur *cur, int n, + struct xfs_btree_block *block); +union xfs_btree_ptr *xfs_btree_ptr_addr(struct xfs_btree_cur *cur, int n, + struct xfs_btree_block *block); +int xfs_btree_lookup_get_block(struct xfs_btree_cur *cur, int level, + union xfs_btree_ptr *pp, struct xfs_btree_block **blkp); +struct xfs_btree_block *xfs_btree_get_block(struct xfs_btree_cur *cur, + int level, struct xfs_buf **bpp); + #endif /* __XFS_BTREE_H__ */ diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 211a8b5..6ea8a84 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -518,7 +518,7 @@ static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp) (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE)); } -static inline int xfs_sb_version_hasfinobt(xfs_sb_t *sbp) +static inline bool xfs_sb_version_hasfinobt(xfs_sb_t *sbp) { return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_FINOBT); diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index 29d08fc..e7673ec 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -2328,3 +2328,42 @@ xfs_rmap_free_defer( return __xfs_rmap_add(mp, dfops, &ri); } + +/* Is there a record covering a given extent? */ +int +xfs_rmap_record_exists( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + struct xfs_owner_info *oinfo, + bool *has_rmap) +{ + uint64_t owner; + uint64_t offset; + unsigned int flags; + int stat; + struct xfs_rmap_irec irec; + int error; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, flags, &stat); + if (error) + return error; + if (!stat) { + *has_rmap = false; + return 0; + } + + error = xfs_rmap_get_rec(cur, &irec, &stat); + if (error) + return error; + if (!stat) { + *has_rmap = false; + return 0; + } + + *has_rmap = (irec.rm_startblock <= bno && + irec.rm_startblock + irec.rm_blockcount >= bno + len); + return 0; +} diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 5baa81f..2f072c8 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -144,4 +144,7 @@ extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp); extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); +extern int xfs_rmap_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, + xfs_extlen_t len, struct xfs_owner_info *oinfo, bool *has_rmap); + #endif /* __XFS_RMAP_BTREE_H__ */ diff --git a/fs/xfs/libxfs/xfs_scrub.c b/fs/xfs/libxfs/xfs_scrub.c new file mode 100644 index 0000000..d43d5c5 --- /dev/null +++ b/fs/xfs/libxfs/xfs_scrub.c @@ -0,0 +1,396 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_btree.h" +#include "xfs_bit.h" +#include "xfs_alloc.h" +#include "xfs_bmap.h" +#include "xfs_ialloc.h" +#include "xfs_refcount.h" +#include "xfs_alloc_btree.h" +#include "xfs_rmap_btree.h" +#include "xfs_log_format.h" +#include "xfs_trans.h" +#include "xfs_scrub.h" + +static const char * const btree_types[] = { + [XFS_BTNUM_BNO] = "bnobt", + [XFS_BTNUM_CNT] = "cntbt", + [XFS_BTNUM_RMAP] = "rmapbt", + [XFS_BTNUM_BMAP] = "bmapbt", + [XFS_BTNUM_INO] = "inobt", + [XFS_BTNUM_FINO] = "finobt", + [XFS_BTNUM_REFC] = "refcountbt", +}; + +/* Report a scrub corruption in dmesg. */ +void +xfs_btree_scrub_error( + struct xfs_btree_cur *cur, + int level, + const char *file, + int line, + const char *check) +{ + char buf[16]; + xfs_fsblock_t fsbno; + + if (cur->bc_ptrs[level] >= 1) + snprintf(buf, 16, " ptr %d", cur->bc_ptrs[level]); + else + buf[0] = 0; + + fsbno = XFS_DADDR_TO_FSB(cur->bc_mp, cur->bc_bufs[level]->b_bn); + xfs_alert(cur->bc_mp, "scrub: %s btree corruption in block %u/%u%s: %s, file: %s, line: %d", + btree_types[cur->bc_btnum], + XFS_FSB_TO_AGNO(cur->bc_mp, fsbno), + XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno), + buf, check, file, line); +} + +/* AG metadata scrubbing */ + +/* + * Make sure this record is in order and doesn't stray outside of the parent + * keys. + */ +static int +xfs_btree_scrub_rec( + struct xfs_btree_scrub *bs) +{ + struct xfs_btree_cur *cur = bs->cur; + union xfs_btree_rec *rec; + union xfs_btree_key key; + union xfs_btree_key *keyp; + struct xfs_btree_block *block; + struct xfs_btree_block *keyblock; + + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[0]); + rec = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); + + /* If this isn't the first record, are they in order? */ + XFS_BTREC_SCRUB_CHECK(bs, bs->firstrec || + cur->bc_ops->recs_inorder(cur, &bs->lastrec, rec)); + bs->firstrec = false; + bs->lastrec = *rec; + + if (cur->bc_nlevels == 1) + return 0; + + /* Is this at least as large as the parent low key? */ + cur->bc_ops->init_key_from_rec(&key, rec); + keyblock = XFS_BUF_TO_BLOCK(cur->bc_bufs[1]); + keyp = xfs_btree_key_addr(cur, cur->bc_ptrs[1], keyblock); + + XFS_BTKEY_SCRUB_CHECK(bs, 0, + cur->bc_ops->diff_two_keys(cur, keyp, &key) >= 0); + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return 0; + + /* Is this no larger than the parent high key? */ + keyp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[1], keyblock); + + XFS_BTKEY_SCRUB_CHECK(bs, 0, + cur->bc_ops->diff_two_keys(cur, &key, keyp) >= 0); + + return 0; +} + +/* + * Make sure this key is in order and doesn't stray outside of the parent + * keys. + */ +static int +xfs_btree_scrub_key( + struct xfs_btree_scrub *bs, + int level) +{ + struct xfs_btree_cur *cur = bs->cur; + union xfs_btree_key *key; + union xfs_btree_key *keyp; + struct xfs_btree_block *block; + struct xfs_btree_block *keyblock; + + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); + key = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); + + /* If this isn't the first key, are they in order? */ + XFS_BTKEY_SCRUB_CHECK(bs, level, bs->firstkey[level] || + cur->bc_ops->keys_inorder(cur, &bs->lastkey[level], + key)); + bs->firstkey[level] = false; + bs->lastkey[level] = *key; + + if (level + 1 >= cur->bc_nlevels) + return 0; + + /* Is this at least as large as the parent low key? */ + keyblock = XFS_BUF_TO_BLOCK(cur->bc_bufs[level + 1]); + keyp = xfs_btree_key_addr(cur, cur->bc_ptrs[level + 1], keyblock); + + XFS_BTKEY_SCRUB_CHECK(bs, level, + cur->bc_ops->diff_two_keys(cur, keyp, key) >= 0); + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return 0; + + /* Is this no larger than the parent high key? */ + key = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level], block); + keyp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level + 1], keyblock); + + XFS_BTKEY_SCRUB_CHECK(bs, level, + cur->bc_ops->diff_two_keys(cur, key, keyp) >= 0); + + return 0; +} + +struct check_owner { + struct list_head list; + xfs_agblock_t bno; +}; + +/* + * Make sure this btree block isn't in the free list and that there's + * an rmap record for it. + */ +static int +xfs_btree_block_check_owner( + struct xfs_btree_scrub *bs, + xfs_agblock_t bno) +{ + bool has_rmap; + bool is_freesp; + int error; + + /* Check that this block isn't free */ + error = xfs_alloc_record_exists(bs->bno_cur, bno, 1, &is_freesp); + if (error) + goto err; + XFS_BTREC_SCRUB_CHECK(bs, !is_freesp); + + if (!bs->rmap_cur) + return 0; + + /* Check that there's an rmap record for this */ + error = xfs_rmap_record_exists(bs->rmap_cur, bno, 1, &bs->oinfo, + &has_rmap); + if (error) + goto err; + XFS_BTREC_SCRUB_CHECK(bs, has_rmap); +err: + return error; +} + +/* Check the owner of a btree block. */ +static int +xfs_btree_scrub_check_owner( + struct xfs_btree_scrub *bs, + struct xfs_buf *bp) +{ + struct xfs_btree_cur *cur = bs->cur; + xfs_agblock_t bno; + xfs_fsblock_t fsbno; + struct check_owner *co; + + fsbno = XFS_DADDR_TO_FSB(cur->bc_mp, bp->b_bn); + bno = XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno); + + /* Do we need to defer this one? */ + if ((!bs->rmap_cur && xfs_sb_version_hasrmapbt(&cur->bc_mp->m_sb)) || + !bs->bno_cur) { + co = kmem_alloc(sizeof(struct check_owner), KM_SLEEP | KM_NOFS); + co->bno = bno; + list_add_tail(&co->list, &bs->to_check); + return 0; + } + + return xfs_btree_block_check_owner(bs, bno); +} + +/* + * Visit all nodes and leaves of a btree. Check that all pointers and + * records are in order, that the keys reflect the records, and use a callback + * so that the caller can verify individual records. The callback is the same + * as the one for xfs_btree_query_range, so therefore this function also + * returns XFS_BTREE_QUERY_RANGE_ABORT, zero, or a negative error code. + */ +int +xfs_btree_scrub( + struct xfs_btree_scrub *bs) +{ + struct xfs_btree_cur *cur = bs->cur; + union xfs_btree_ptr ptr; + union xfs_btree_ptr *pp; + union xfs_btree_rec *recp; + struct xfs_btree_block *block; + int level; + struct xfs_buf *bp; + int i; + struct check_owner *co, *n; + int error; + + /* Finish filling out the scrub state */ + bs->error = 0; + bs->firstrec = true; + for (i = 0; i < XFS_BTREE_MAXLEVELS; i++) + bs->firstkey[i] = true; + bs->bno_cur = bs->rmap_cur = NULL; + INIT_LIST_HEAD(&bs->to_check); + if (bs->cur->bc_btnum != XFS_BTNUM_BNO) + bs->bno_cur = xfs_allocbt_init_cursor(cur->bc_mp, NULL, + bs->agf_bp, bs->cur->bc_private.a.agno, + XFS_BTNUM_BNO); + if (bs->cur->bc_btnum != XFS_BTNUM_RMAP && + xfs_sb_version_hasrmapbt(&cur->bc_mp->m_sb)) + bs->rmap_cur = xfs_rmapbt_init_cursor(cur->bc_mp, NULL, + bs->agf_bp, bs->cur->bc_private.a.agno); + + /* Load the root of the btree. */ + level = cur->bc_nlevels - 1; + cur->bc_ops->init_ptr_from_cur(cur, &ptr); + error = xfs_btree_lookup_get_block(cur, level, &ptr, &block); + if (error) + goto out; + + xfs_btree_get_block(cur, level, &bp); + error = xfs_btree_check_block(cur, block, level, bp); + if (error) + goto out; + error = xfs_btree_scrub_check_owner(bs, bp); + if (error) + goto out; + + cur->bc_ptrs[level] = 1; + + while (level < cur->bc_nlevels) { + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); + + if (level == 0) { + /* End of leaf, pop back towards the root. */ + if (cur->bc_ptrs[level] > + be16_to_cpu(block->bb_numrecs)) { + if (level < cur->bc_nlevels - 1) + cur->bc_ptrs[level + 1]++; + level++; + continue; + } + + /* Records in order for scrub? */ + error = xfs_btree_scrub_rec(bs); + if (error) + goto out; + + recp = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); + error = bs->scrub_rec(bs, recp); + if (error < 0 || + error == XFS_BTREE_QUERY_RANGE_ABORT) + break; + + cur->bc_ptrs[level]++; + continue; + } + + /* End of node, pop back towards the root. */ + if (cur->bc_ptrs[level] > be16_to_cpu(block->bb_numrecs)) { + if (level < cur->bc_nlevels - 1) + cur->bc_ptrs[level + 1]++; + level++; + continue; + } + + /* Keys in order for scrub? */ + error = xfs_btree_scrub_key(bs, level); + if (error) + goto out; + + /* Drill another level deeper. */ + pp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[level], block); + level--; + error = xfs_btree_lookup_get_block(cur, level, pp, + &block); + if (error) + goto out; + + xfs_btree_get_block(cur, level, &bp); + error = xfs_btree_check_block(cur, block, level, bp); + if (error) + goto out; + + error = xfs_btree_scrub_check_owner(bs, bp); + if (error) + goto out; + + cur->bc_ptrs[level] = 1; + } + +out: + /* + * If we don't end this function with the cursor pointing at a record + * block, a subsequent non-error cursor deletion will not release + * node-level buffers, causing a buffer leak. This is quite possible + * with a zero-results range query, so release the buffers if we + * failed to return any results. + */ + if (cur->bc_bufs[0] == NULL) { + for (i = 0; i < cur->bc_nlevels; i++) { + if (cur->bc_bufs[i]) { + xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[i]); + cur->bc_bufs[i] = NULL; + cur->bc_ptrs[i] = 0; + cur->bc_ra[i] = 0; + } + } + } + + /* Check the deferred stuff */ + if (!error) { + if (bs->cur->bc_btnum == XFS_BTNUM_BNO) + bs->bno_cur = bs->cur; + else if (bs->cur->bc_btnum == XFS_BTNUM_RMAP) + bs->rmap_cur = bs->cur; + list_for_each_entry(co, &bs->to_check, list) { + error = xfs_btree_block_check_owner(bs, co->bno); + if (error) + break; + } + } + list_for_each_entry_safe(co, n, &bs->to_check, list) { + list_del(&co->list); + kmem_free(co); + } + + if (bs->bno_cur && bs->bno_cur != bs->cur) + xfs_btree_del_cursor(bs->bno_cur, XFS_BTREE_ERROR); + if (bs->rmap_cur && bs->rmap_cur != bs->cur) + xfs_btree_del_cursor(bs->rmap_cur, XFS_BTREE_ERROR); + + if (error || bs->error) + xfs_alert(cur->bc_mp, + "Corruption detected. Unmount and run xfs_repair."); + + return error; +} diff --git a/fs/xfs/libxfs/xfs_scrub.h b/fs/xfs/libxfs/xfs_scrub.h new file mode 100644 index 0000000..af80a9d --- /dev/null +++ b/fs/xfs/libxfs/xfs_scrub.h @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_SCRUB_H__ +#define __XFS_SCRUB_H__ + +/* btree scrub */ +struct xfs_btree_scrub; + +typedef int (*xfs_btree_scrub_rec_fn)( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec); + +struct xfs_btree_scrub { + /* caller-provided scrub state */ + struct xfs_btree_cur *cur; + xfs_btree_scrub_rec_fn scrub_rec; + struct xfs_buf *agi_bp; + struct xfs_buf *agf_bp; + struct xfs_buf *agfl_bp; + struct xfs_owner_info oinfo; + + /* internal scrub state */ + union xfs_btree_rec lastrec; + bool firstrec; + union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS]; + bool firstkey[XFS_BTREE_MAXLEVELS]; + struct xfs_btree_cur *rmap_cur; + struct xfs_btree_cur *bno_cur; + struct list_head to_check; + int error; +}; + +int xfs_btree_scrub(struct xfs_btree_scrub *bs); +void xfs_btree_scrub_error(struct xfs_btree_cur *cur, int level, + const char *file, int line, const char *check); +#define XFS_BTREC_SCRUB_CHECK(bs, fs_ok) \ + if (!(fs_ok)) { \ + xfs_btree_scrub_error((bs)->cur, 0, __FILE__, __LINE__, #fs_ok); \ + (bs)->error = -EFSCORRUPTED; \ + } +#define XFS_BTREC_SCRUB_GOTO(bs, fs_ok, label) \ + if (!(fs_ok)) { \ + xfs_btree_scrub_error((bs)->cur, 0, __FILE__, __LINE__, #fs_ok); \ + (bs)->error = -EFSCORRUPTED; \ + goto label; \ + } +#define XFS_BTKEY_SCRUB_CHECK(bs, level, fs_ok) \ + if (!(fs_ok)) { \ + xfs_btree_scrub_error((bs)->cur, (level), __FILE__, __LINE__, #fs_ok); \ + (bs)->error = -EFSCORRUPTED; \ + } +#define XFS_BTKEY_SCRUB_GOTO(bs, level, fs_ok, label) \ + if (!(fs_ok)) { \ + xfs_btree_scrub_error((bs)->cur, 0, __FILE__, __LINE__, #fs_ok); \ + (bs)->error = -EFSCORRUPTED; \ + goto label; \ + } + +#endif /* __XFS_SCRUB_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:30:21 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5F73F7F28 for ; Thu, 16 Jun 2016 20:30:21 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 17CB7304039 for ; Thu, 16 Jun 2016 18:30:21 -0700 (PDT) X-ASG-Debug-ID: 1466127018-04cbb01fec69bc0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id ANE8nEA52Fn2Pk4f (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:19 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1UD3L013411 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:13 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UCT1017621 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:13 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UBRQ026311; Fri, 17 Jun 2016 01:30:12 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:11 -0700 Subject: [PATCH 114/119] xfs: create sysfs hooks to scrub various files From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 114/119] xfs: create sysfs hooks to scrub various files To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:10 -0700 Message-ID: <146612700997.12839.14645543192839503554.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127018 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9787 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create some sysfs files so that we can scrub various AG metadata structures. The interface will be as follows: # cat /sys/fs/xfs/$dev/check/rmapbt 0:3 # echo 3 > /sys/fs/xfs/$dev/check/rmapbt -bash: echo: write error: (or it'll just return 0 if the metadata is fine) Signed-off-by: Darrick J. Wong --- fs/xfs/Makefile | 1 fs/xfs/xfs_mount.c | 9 ++ fs/xfs/xfs_mount.h | 1 fs/xfs/xfs_scrub_sysfs.c | 214 ++++++++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_scrub_sysfs.h | 26 ++++++ 5 files changed, 250 insertions(+), 1 deletion(-) create mode 100644 fs/xfs/xfs_scrub_sysfs.c create mode 100644 fs/xfs/xfs_scrub_sysfs.h diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 8942390..7d93af2 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -93,6 +93,7 @@ xfs-y += xfs_aops.o \ xfs_mount.o \ xfs_mru_cache.o \ xfs_reflink.o \ + xfs_scrub_sysfs.o \ xfs_stats.o \ xfs_super.o \ xfs_symlink.o \ diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index e53853d..1f74f72 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -46,6 +46,7 @@ #include "xfs_refcount_btree.h" #include "xfs_reflink.h" #include "xfs_refcount_btree.h" +#include "xfs_scrub_sysfs.h" static DEFINE_MUTEX(xfs_uuid_table_mutex); @@ -705,10 +706,13 @@ xfs_mountfs( if (error) goto out_del_stats; + error = xfs_scrub_init(mp); + if (error) + goto out_remove_error_sysfs; error = xfs_uuid_mount(mp); if (error) - goto out_remove_error_sysfs; + goto out_remove_scrub; /* * Set the minimum read and write sizes @@ -993,6 +997,8 @@ xfs_mountfs( xfs_da_unmount(mp); out_remove_uuid: xfs_uuid_unmount(mp); + out_remove_scrub: + xfs_scrub_free(mp); out_remove_error_sysfs: xfs_error_sysfs_del(mp); out_del_stats: @@ -1093,6 +1099,7 @@ xfs_unmountfs( #endif xfs_free_perag(mp); + xfs_scrub_free(mp); xfs_error_sysfs_del(mp); xfs_sysfs_del(&mp->m_stats.xs_kobj); xfs_sysfs_del(&mp->m_kobj); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 6b06d24..0e222d2 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -167,6 +167,7 @@ typedef struct xfs_mount { struct xfs_kobj m_error_kobj; struct xfs_kobj m_error_meta_kobj; struct xfs_error_cfg m_error_cfg[XFS_ERR_CLASS_MAX][XFS_ERR_ERRNO_MAX]; + struct xfs_kobj m_scrub_kobj; struct xstats m_stats; /* per-fs stats */ struct workqueue_struct *m_buf_workqueue; diff --git a/fs/xfs/xfs_scrub_sysfs.c b/fs/xfs/xfs_scrub_sysfs.c new file mode 100644 index 0000000..9942d55 --- /dev/null +++ b/fs/xfs/xfs_scrub_sysfs.c @@ -0,0 +1,214 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "xfs.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_btree.h" +#include "xfs_bmap.h" +#include "xfs_refcount.h" +#include "xfs_rmap_btree.h" +#include "xfs_alloc.h" +#include "xfs_ialloc.h" +#include "xfs_sysfs.h" +#include + +/* general scrub attributes */ +struct xfs_scrub_attr { + struct attribute attr; + bool (*is_visible)(struct xfs_mount *mp, struct xfs_scrub_attr *attr); + ssize_t (*show)(struct xfs_mount *mp, struct xfs_scrub_attr *attr, + char *buf); + ssize_t (*store)(struct xfs_mount *mp, struct xfs_scrub_attr *attr, + const char *buf, size_t count); +}; + +static inline struct xfs_scrub_attr * +to_scrub_attr(struct attribute *attr) +{ + return container_of(attr, struct xfs_scrub_attr, attr); +} + +static inline struct xfs_mount *to_mount(struct kobject *kobj) +{ + struct xfs_kobj *k = container_of(kobj, struct xfs_kobj, kobject); + + return container_of(k, struct xfs_mount, m_scrub_kobj); +} + +STATIC ssize_t +xfs_scrub_attr_show( + struct kobject *kobject, + struct attribute *attr, + char *buf) +{ + struct xfs_scrub_attr *sa = to_scrub_attr(attr); + struct xfs_mount *mp = to_mount(kobject); + + return sa->show ? sa->show(mp, sa, buf) : 0; +} + +STATIC ssize_t +xfs_scrub_attr_store( + struct kobject *kobject, + struct attribute *attr, + const char *buf, + size_t count) +{ + struct xfs_scrub_attr *sa = to_scrub_attr(attr); + struct xfs_mount *mp = to_mount(kobject); + + return sa->store ? sa->store(mp, sa, buf, count) : 0; +} + +STATIC umode_t +xfs_scrub_attr_visible( + struct kobject *kobject, + struct attribute *attr, + int unused) +{ + struct xfs_scrub_attr *sa = to_scrub_attr(attr); + struct xfs_mount *mp = to_mount(kobject); + + if (!sa->is_visible || sa->is_visible(mp, sa)) + return attr->mode; + return 0; +} + +static const struct sysfs_ops xfs_scrub_ops = { + .show = xfs_scrub_attr_show, + .store = xfs_scrub_attr_store, +}; + +static struct kobj_type xfs_scrub_ktype = { + .release = xfs_sysfs_release, + .sysfs_ops = &xfs_scrub_ops, +}; + +/* per-AG scrub attributes */ +struct xfs_agdata_scrub_attr { + struct xfs_scrub_attr sa; + bool (*has_feature)(struct xfs_sb *); + int (*scrub)(struct xfs_mount *mp, xfs_agnumber_t agno); +}; + +static inline struct xfs_agdata_scrub_attr * +to_agdata_scrub_attr(struct xfs_scrub_attr *sa) +{ + return container_of(sa, struct xfs_agdata_scrub_attr, sa); +} + +STATIC bool +xfs_agdata_scrub_visible( + struct xfs_mount *mp, + struct xfs_scrub_attr *sa) +{ + struct xfs_agdata_scrub_attr *asa = to_agdata_scrub_attr(sa); + + return (!asa->has_feature || asa->has_feature(&mp->m_sb)); +} + +STATIC ssize_t +xfs_agdata_scrub_show( + struct xfs_mount *mp, + struct xfs_scrub_attr *sa, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "0:%u\n", mp->m_sb.sb_agcount - 1); +} + +STATIC ssize_t +xfs_agdata_scrub_store( + struct xfs_mount *mp, + struct xfs_scrub_attr *sa, + const char *buf, + size_t count) +{ + unsigned long val; + xfs_agnumber_t agno; + struct xfs_agdata_scrub_attr *asa = to_agdata_scrub_attr(sa); + int error; + + error = kstrtoul(buf, 0, &val); + if (error) + return error; + agno = val; + if (agno >= mp->m_sb.sb_agcount) + return -EINVAL; + error = asa->scrub(mp, agno); + if (error) + return error; + return count; +} + +#define XFS_AGDATA_SCRUB_ATTR(_name, _fn) \ +static struct xfs_agdata_scrub_attr xfs_agdata_scrub_attr_##_name = { \ + .sa = { \ + .attr = {.name = __stringify(_name), .mode = 0600 }, \ + .is_visible = xfs_agdata_scrub_visible, \ + .show = xfs_agdata_scrub_show, \ + .store = xfs_agdata_scrub_store, \ + }, \ + .has_feature = _fn, \ + .scrub = xfs_##_name##_scrub, \ +} +#define XFS_AGDATA_SCRUB_LIST(name) &xfs_agdata_scrub_attr_##name.sa.attr + +static struct attribute *xfs_agdata_scrub_attrs[] = { + NULL, +}; + +static const struct attribute_group xfs_agdata_scrub_attr_group = { + .is_visible = xfs_scrub_attr_visible, + .attrs = xfs_agdata_scrub_attrs, +}; + +int +xfs_scrub_init( + struct xfs_mount *mp) +{ + int error; + + error = xfs_sysfs_init(&mp->m_scrub_kobj, &xfs_scrub_ktype, + &mp->m_kobj, "check"); + if (error) + return error; + + error = sysfs_create_group(&mp->m_scrub_kobj.kobject, + &xfs_agdata_scrub_attr_group); + if (error) + goto err; + return error; +err: + xfs_sysfs_del(&mp->m_scrub_kobj); + return error; +} + +void +xfs_scrub_free( + struct xfs_mount *mp) +{ + sysfs_remove_group(&mp->m_scrub_kobj.kobject, + &xfs_agdata_scrub_attr_group); + xfs_sysfs_del(&mp->m_scrub_kobj); +} diff --git a/fs/xfs/xfs_scrub_sysfs.h b/fs/xfs/xfs_scrub_sysfs.h new file mode 100644 index 0000000..d9a58f5 --- /dev/null +++ b/fs/xfs/xfs_scrub_sysfs.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_SCRUB_H +#define __XFS_SCRUB_H + +int xfs_scrub_init(struct xfs_mount *mp); +void xfs_scrub_free(struct xfs_mount *mp); + +#endif /* __XFS_SCRUB_H */ From darrick.wong@oracle.com Thu Jun 16 20:30:26 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 21AFF7FE5 for ; Thu, 16 Jun 2016 20:30:26 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D43378F804B for ; Thu, 16 Jun 2016 18:30:25 -0700 (PDT) X-ASG-Debug-ID: 1466127023-04bdf01e1595e70001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id nzHaEmJE5MdrsGl1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:23 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1UIVG013463 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:30:18 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1UIqq022694 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:30:18 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1UIca030398; Fri, 17 Jun 2016 01:30:18 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:17 -0700 Subject: [PATCH 115/119] xfs: support scrubbing free space btrees From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 115/119] xfs: support scrubbing free space btrees To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:16 -0700 Message-ID: <146612701627.12839.18375212914216273798.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127023 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7517 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the pieces necessary to check the free space btrees. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc.c | 98 +++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_alloc.h | 3 + fs/xfs/libxfs/xfs_alloc_btree.c | 51 ++++++++++++++++++-- fs/xfs/xfs_scrub_sysfs.c | 5 ++ 4 files changed, 151 insertions(+), 6 deletions(-) diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 6fc1981..bc2a1b1 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -39,6 +39,7 @@ #include "xfs_log.h" #include "xfs_ag_resv.h" #include "xfs_refcount_btree.h" +#include "xfs_scrub.h" struct workqueue_struct *xfs_alloc_wq; @@ -2957,3 +2958,100 @@ xfs_alloc_record_exists( *is_freesp = (fbno <= bno && fbno + flen >= bno + len); return 0; } + +STATIC int +xfs_allocbt_scrub_rmap_check( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + xfs_err(cur->bc_mp, "%s: freespace in rmapbt! %u/%u %u %lld %lld %x", + __func__, cur->bc_private.a.agno, rec->rm_startblock, + rec->rm_blockcount, rec->rm_owner, rec->rm_offset, + rec->rm_flags); + return XFS_BTREE_QUERY_RANGE_ABORT; +} + +STATIC int +xfs_allocbt_scrub_helper( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec) +{ + struct xfs_mount *mp = bs->cur->bc_mp; + xfs_agblock_t bno; + xfs_extlen_t len; + struct xfs_rmap_irec low; + struct xfs_rmap_irec high; + bool no_rmap; + int error; + + bno = be32_to_cpu(rec->alloc.ar_startblock); + len = be32_to_cpu(rec->alloc.ar_blockcount); + + XFS_BTREC_SCRUB_CHECK(bs, bno <= mp->m_sb.sb_agblocks); + XFS_BTREC_SCRUB_CHECK(bs, bno < bno + len); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)bno + len <= + mp->m_sb.sb_agblocks); + + /* if rmapbt, make sure there's no record */ + if (!bs->rmap_cur) + return 0; + + memset(&low, 0, sizeof(low)); + low.rm_startblock = bno; + memset(&high, 0xFF, sizeof(high)); + high.rm_startblock = bno + len - 1; + + error = xfs_rmapbt_query_range(bs->rmap_cur, &low, &high, + &xfs_allocbt_scrub_rmap_check, NULL); + if (error && error != XFS_BTREE_QUERY_RANGE_ABORT) + goto err; + no_rmap = error == 0; + XFS_BTREC_SCRUB_CHECK(bs, no_rmap); +err: + return error; +} + +/* Scrub the freespace btrees for some AG. */ +STATIC int +xfs_allocbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno, + int which) +{ + struct xfs_btree_scrub bs; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &bs.agf_bp); + if (error) + return error; + + bs.cur = xfs_allocbt_init_cursor(mp, NULL, bs.agf_bp, agno, which); + bs.scrub_rec = xfs_allocbt_scrub_helper; + xfs_rmap_ag_owner(&bs.oinfo, XFS_RMAP_OWN_AG); + error = xfs_btree_scrub(&bs); + xfs_btree_del_cursor(bs.cur, + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, bs.agf_bp); + + if (!error && bs.error) + error = bs.error; + + return error; +} + +int +xfs_bnobt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return xfs_allocbt_scrub(mp, agno, XFS_BTNUM_BNO); +} + +int +xfs_cntbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return xfs_allocbt_scrub(mp, agno, XFS_BTNUM_CNT); +} diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h index 4f2ce38..f1fcc7e 100644 --- a/fs/xfs/libxfs/xfs_alloc.h +++ b/fs/xfs/libxfs/xfs_alloc.h @@ -213,4 +213,7 @@ xfs_extlen_t xfs_prealloc_blocks(struct xfs_mount *mp); int xfs_alloc_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, xfs_extlen_t len, bool *is_freesp); +int xfs_bnobt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); +int xfs_cntbt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); + #endif /* __XFS_ALLOC_H__ */ diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index 5ba2dac..f9859e8 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -256,6 +256,26 @@ xfs_allocbt_key_diff( return (__int64_t)be32_to_cpu(kp->ar_startblock) - rec->ar_startblock; } +STATIC __int64_t +xfs_bnobt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k2->alloc.ar_startblock) - + be32_to_cpu(k1->alloc.ar_startblock); +} + +STATIC __int64_t +xfs_cntbt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k2->alloc.ar_blockcount) - + be32_to_cpu(k1->alloc.ar_blockcount); +} + static bool xfs_allocbt_verify( struct xfs_buf *bp) @@ -344,7 +364,6 @@ const struct xfs_buf_ops xfs_allocbt_buf_ops = { }; -#if defined(DEBUG) || defined(XFS_WARN) STATIC int xfs_allocbt_keys_inorder( struct xfs_btree_cur *cur, @@ -381,9 +400,29 @@ xfs_allocbt_recs_inorder( be32_to_cpu(r2->alloc.ar_startblock)); } } -#endif /* DEBUG */ -static const struct xfs_btree_ops xfs_allocbt_ops = { +static const struct xfs_btree_ops xfs_bnobt_ops = { + .rec_len = sizeof(xfs_alloc_rec_t), + .key_len = sizeof(xfs_alloc_key_t), + + .dup_cursor = xfs_allocbt_dup_cursor, + .set_root = xfs_allocbt_set_root, + .alloc_block = xfs_allocbt_alloc_block, + .free_block = xfs_allocbt_free_block, + .update_lastrec = xfs_allocbt_update_lastrec, + .get_minrecs = xfs_allocbt_get_minrecs, + .get_maxrecs = xfs_allocbt_get_maxrecs, + .init_key_from_rec = xfs_allocbt_init_key_from_rec, + .init_rec_from_cur = xfs_allocbt_init_rec_from_cur, + .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, + .key_diff = xfs_allocbt_key_diff, + .buf_ops = &xfs_allocbt_buf_ops, + .diff_two_keys = xfs_bnobt_diff_two_keys, + .keys_inorder = xfs_allocbt_keys_inorder, + .recs_inorder = xfs_allocbt_recs_inorder, +}; + +static const struct xfs_btree_ops xfs_cntbt_ops = { .rec_len = sizeof(xfs_alloc_rec_t), .key_len = sizeof(xfs_alloc_key_t), @@ -399,10 +438,9 @@ static const struct xfs_btree_ops xfs_allocbt_ops = { .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, .key_diff = xfs_allocbt_key_diff, .buf_ops = &xfs_allocbt_buf_ops, -#if defined(DEBUG) || defined(XFS_WARN) + .diff_two_keys = xfs_cntbt_diff_two_keys, .keys_inorder = xfs_allocbt_keys_inorder, .recs_inorder = xfs_allocbt_recs_inorder, -#endif }; /* @@ -427,12 +465,13 @@ xfs_allocbt_init_cursor( cur->bc_mp = mp; cur->bc_btnum = btnum; cur->bc_blocklog = mp->m_sb.sb_blocklog; - cur->bc_ops = &xfs_allocbt_ops; if (btnum == XFS_BTNUM_CNT) { + cur->bc_ops = &xfs_cntbt_ops; cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]); cur->bc_flags = XFS_BTREE_LASTREC_UPDATE; } else { + cur->bc_ops = &xfs_bnobt_ops; cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]); } diff --git a/fs/xfs/xfs_scrub_sysfs.c b/fs/xfs/xfs_scrub_sysfs.c index 9942d55..efaa635 100644 --- a/fs/xfs/xfs_scrub_sysfs.c +++ b/fs/xfs/xfs_scrub_sysfs.c @@ -174,7 +174,12 @@ static struct xfs_agdata_scrub_attr xfs_agdata_scrub_attr_##_name = { \ } #define XFS_AGDATA_SCRUB_LIST(name) &xfs_agdata_scrub_attr_##name.sa.attr +XFS_AGDATA_SCRUB_ATTR(bnobt, NULL); +XFS_AGDATA_SCRUB_ATTR(cntbt, NULL); + static struct attribute *xfs_agdata_scrub_attrs[] = { + XFS_AGDATA_SCRUB_LIST(bnobt), + XFS_AGDATA_SCRUB_LIST(cntbt), NULL, }; From darrick.wong@oracle.com Thu Jun 16 20:30:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B72F67FE7 for ; Thu, 16 Jun 2016 20:30:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 78E80304039 for ; Thu, 16 Jun 2016 18:30:34 -0700 (PDT) X-ASG-Debug-ID: 1466127031-04cb6c542757c00001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id PzNhf91QwFJlKYvj (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:31 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1UPp2013479 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:26 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UPbF018094 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:25 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UOIW026344; Fri, 17 Jun 2016 01:30:24 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:24 -0700 Subject: [PATCH 116/119] xfs: support scrubbing inode btrees From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 116/119] xfs: support scrubbing inode btrees To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:22 -0700 Message-ID: <146612702255.12839.10431805043902780580.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127031 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9224 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the pieces necessary to check the inode btrees. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_ialloc.c | 178 +++++++++++++++++++++++++++++++++++--- fs/xfs/libxfs/xfs_ialloc.h | 2 fs/xfs/libxfs/xfs_ialloc_btree.c | 18 +++- fs/xfs/xfs_scrub_sysfs.c | 4 + 4 files changed, 180 insertions(+), 22 deletions(-) diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 1982561..c496dd4 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -40,6 +40,8 @@ #include "xfs_icache.h" #include "xfs_trace.h" #include "xfs_log.h" +#include "xfs_rmap_btree.h" +#include "xfs_scrub.h" /* @@ -98,24 +100,14 @@ xfs_inobt_update( return xfs_btree_update(cur, &rec); } -/* - * Get the data from the pointed-to record. - */ -int /* error */ -xfs_inobt_get_rec( - struct xfs_btree_cur *cur, /* btree cursor */ - xfs_inobt_rec_incore_t *irec, /* btree record */ - int *stat) /* output: success/failure */ +STATIC void +xfs_inobt_btrec_to_irec( + struct xfs_mount *mp, + union xfs_btree_rec *rec, + struct xfs_inobt_rec_incore *irec) { - union xfs_btree_rec *rec; - int error; - - error = xfs_btree_get_rec(cur, &rec, stat); - if (error || *stat == 0) - return error; - irec->ir_startino = be32_to_cpu(rec->inobt.ir_startino); - if (xfs_sb_version_hassparseinodes(&cur->bc_mp->m_sb)) { + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) { irec->ir_holemask = be16_to_cpu(rec->inobt.ir_u.sp.ir_holemask); irec->ir_count = rec->inobt.ir_u.sp.ir_count; irec->ir_freecount = rec->inobt.ir_u.sp.ir_freecount; @@ -130,6 +122,25 @@ xfs_inobt_get_rec( be32_to_cpu(rec->inobt.ir_u.f.ir_freecount); } irec->ir_free = be64_to_cpu(rec->inobt.ir_free); +} + +/* + * Get the data from the pointed-to record. + */ +int /* error */ +xfs_inobt_get_rec( + struct xfs_btree_cur *cur, /* btree cursor */ + xfs_inobt_rec_incore_t *irec, /* btree record */ + int *stat) /* output: success/failure */ +{ + union xfs_btree_rec *rec; + int error; + + error = xfs_btree_get_rec(cur, &rec, stat); + if (error || *stat == 0) + return error; + + xfs_inobt_btrec_to_irec(cur->bc_mp, rec, irec); return 0; } @@ -2650,3 +2661,138 @@ xfs_ialloc_pagi_init( xfs_trans_brelse(tp, bp); return 0; } + +STATIC int +xfs_iallocbt_scrub_helper( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec) +{ + struct xfs_mount *mp = bs->cur->bc_mp; + struct xfs_inobt_rec_incore irec; + __uint16_t holemask; + xfs_agino_t agino; + xfs_agblock_t bno; + xfs_extlen_t len; + int holecount; + int i; + bool has_rmap = false; + struct xfs_owner_info oinfo; + int error = 0; + uint64_t holes; + + xfs_inobt_btrec_to_irec(mp, rec, &irec); + + XFS_BTREC_SCRUB_CHECK(bs, irec.ir_count <= XFS_INODES_PER_CHUNK); + XFS_BTREC_SCRUB_CHECK(bs, irec.ir_freecount <= XFS_INODES_PER_CHUNK); + agino = irec.ir_startino; + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INODES); + + /* Handle non-sparse inodes */ + if (!xfs_inobt_issparse(irec.ir_holemask)) { + len = XFS_B_TO_FSB(mp, + XFS_INODES_PER_CHUNK * mp->m_sb.sb_inodesize); + bno = XFS_AGINO_TO_AGBNO(mp, agino); + + XFS_BTREC_SCRUB_CHECK(bs, bno < mp->m_sb.sb_agblocks) + XFS_BTREC_SCRUB_CHECK(bs, bno < bno + len); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)bno + len <= + mp->m_sb.sb_agblocks); + + if (!bs->rmap_cur) + return error; + error = xfs_rmap_record_exists(bs->rmap_cur, bno, len, &oinfo, + &has_rmap); + if (error) + return error; + XFS_BTREC_SCRUB_CHECK(bs, has_rmap); + return 0; + } + + /* Check each chunk of a sparse inode cluster. */ + holemask = irec.ir_holemask; + holecount = 0; + len = XFS_B_TO_FSB(mp, + XFS_INODES_PER_HOLEMASK_BIT * mp->m_sb.sb_inodesize); + holes = ~xfs_inobt_irec_to_allocmask(&irec); + XFS_BTREC_SCRUB_CHECK(bs, (holes & irec.ir_free) == holes); + XFS_BTREC_SCRUB_CHECK(bs, irec.ir_freecount <= irec.ir_count); + + for (i = 0; i < XFS_INOBT_HOLEMASK_BITS; holemask >>= 1, + i++, agino += XFS_INODES_PER_HOLEMASK_BIT) { + if (holemask & 1) { + holecount += XFS_INODES_PER_HOLEMASK_BIT; + continue; + } + bno = XFS_AGINO_TO_AGBNO(mp, agino); + + XFS_BTREC_SCRUB_CHECK(bs, bno < mp->m_sb.sb_agblocks) + XFS_BTREC_SCRUB_CHECK(bs, bno < bno + len); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)bno + len <= + mp->m_sb.sb_agblocks); + + if (!bs->rmap_cur) + continue; + error = xfs_rmap_record_exists(bs->rmap_cur, bno, len, &oinfo, + &has_rmap); + if (error) + break; + XFS_BTREC_SCRUB_CHECK(bs, has_rmap); + } + + XFS_BTREC_SCRUB_CHECK(bs, holecount <= XFS_INODES_PER_CHUNK); + XFS_BTREC_SCRUB_CHECK(bs, holecount + irec.ir_count == + XFS_INODES_PER_CHUNK); + + return error; +} + +/* Scrub the inode btrees for some AG. */ +STATIC int +xfs_iallocbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_btnum_t which) +{ + struct xfs_btree_scrub bs; + int error; + + error = xfs_ialloc_read_agi(mp, NULL, agno, &bs.agi_bp); + if (error) + return error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &bs.agf_bp); + if (error) { + xfs_trans_brelse(NULL, bs.agi_bp); + return error; + } + + bs.cur = xfs_inobt_init_cursor(mp, NULL, bs.agi_bp, agno, which); + bs.scrub_rec = xfs_iallocbt_scrub_helper; + xfs_rmap_ag_owner(&bs.oinfo, XFS_RMAP_OWN_INOBT); + error = xfs_btree_scrub(&bs); + xfs_btree_del_cursor(bs.cur, + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, bs.agf_bp); + xfs_trans_brelse(NULL, bs.agi_bp); + + if (!error && bs.error) + error = bs.error; + + return error; +} + +int +xfs_inobt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return xfs_iallocbt_scrub(mp, agno, XFS_BTNUM_INO); +} + +int +xfs_finobt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return xfs_iallocbt_scrub(mp, agno, XFS_BTNUM_FINO); +} diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h index 0bb8966..7ea6ff3 100644 --- a/fs/xfs/libxfs/xfs_ialloc.h +++ b/fs/xfs/libxfs/xfs_ialloc.h @@ -168,5 +168,7 @@ int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp, int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp, xfs_agnumber_t agno, struct xfs_buf **bpp); +extern int xfs_inobt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); +extern int xfs_finobt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); #endif /* __XFS_IALLOC_H__ */ diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index fd26550..81c673c 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -204,6 +204,16 @@ xfs_inobt_key_diff( cur->bc_rec.i.ir_startino; } +STATIC __int64_t +xfs_inobt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k2->inobt.ir_startino) - + be32_to_cpu(k1->inobt.ir_startino); +} + static int xfs_inobt_verify( struct xfs_buf *bp) @@ -278,7 +288,6 @@ const struct xfs_buf_ops xfs_inobt_buf_ops = { .verify_write = xfs_inobt_write_verify, }; -#if defined(DEBUG) || defined(XFS_WARN) STATIC int xfs_inobt_keys_inorder( struct xfs_btree_cur *cur, @@ -298,7 +307,6 @@ xfs_inobt_recs_inorder( return be32_to_cpu(r1->inobt.ir_startino) + XFS_INODES_PER_CHUNK <= be32_to_cpu(r2->inobt.ir_startino); } -#endif /* DEBUG */ static const struct xfs_btree_ops xfs_inobt_ops = { .rec_len = sizeof(xfs_inobt_rec_t), @@ -315,10 +323,9 @@ static const struct xfs_btree_ops xfs_inobt_ops = { .init_ptr_from_cur = xfs_inobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, .buf_ops = &xfs_inobt_buf_ops, -#if defined(DEBUG) || defined(XFS_WARN) + .diff_two_keys = xfs_inobt_diff_two_keys, .keys_inorder = xfs_inobt_keys_inorder, .recs_inorder = xfs_inobt_recs_inorder, -#endif }; static const struct xfs_btree_ops xfs_finobt_ops = { @@ -336,10 +343,9 @@ static const struct xfs_btree_ops xfs_finobt_ops = { .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, .buf_ops = &xfs_inobt_buf_ops, -#if defined(DEBUG) || defined(XFS_WARN) + .diff_two_keys = xfs_inobt_diff_two_keys, .keys_inorder = xfs_inobt_keys_inorder, .recs_inorder = xfs_inobt_recs_inorder, -#endif }; /* diff --git a/fs/xfs/xfs_scrub_sysfs.c b/fs/xfs/xfs_scrub_sysfs.c index efaa635..cb7812f 100644 --- a/fs/xfs/xfs_scrub_sysfs.c +++ b/fs/xfs/xfs_scrub_sysfs.c @@ -176,10 +176,14 @@ static struct xfs_agdata_scrub_attr xfs_agdata_scrub_attr_##_name = { \ XFS_AGDATA_SCRUB_ATTR(bnobt, NULL); XFS_AGDATA_SCRUB_ATTR(cntbt, NULL); +XFS_AGDATA_SCRUB_ATTR(inobt, NULL); +XFS_AGDATA_SCRUB_ATTR(finobt, xfs_sb_version_hasfinobt); static struct attribute *xfs_agdata_scrub_attrs[] = { XFS_AGDATA_SCRUB_LIST(bnobt), XFS_AGDATA_SCRUB_LIST(cntbt), + XFS_AGDATA_SCRUB_LIST(inobt), + XFS_AGDATA_SCRUB_LIST(finobt), NULL, }; From darrick.wong@oracle.com Thu Jun 16 20:30:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 356B27FA9 for ; Thu, 16 Jun 2016 20:30:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id ECBF630404E for ; Thu, 16 Jun 2016 18:30:38 -0700 (PDT) X-ASG-Debug-ID: 1466127036-04cbb01fed69c50001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 82m9135AvLdAvH0q (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:37 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1UWWO013522 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:32 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UVkT024309 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:32 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UUvm021825; Fri, 17 Jun 2016 01:30:31 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:30 -0700 Subject: [PATCH 117/119] xfs: support scrubbing rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 117/119] xfs: support scrubbing rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:28 -0700 Message-ID: <146612702887.12839.3951774203711037031.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127036 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5193 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the pieces necessary to check the rmap btree. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_rmap.c | 77 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_rmap_btree.c | 4 -- fs/xfs/libxfs/xfs_rmap_btree.h | 2 + fs/xfs/xfs_scrub_sysfs.c | 2 + 4 files changed, 81 insertions(+), 4 deletions(-) diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c index e7673ec..0c8a236 100644 --- a/fs/xfs/libxfs/xfs_rmap.c +++ b/fs/xfs/libxfs/xfs_rmap.c @@ -38,6 +38,7 @@ #include "xfs_extent_busy.h" #include "xfs_bmap.h" #include "xfs_inode.h" +#include "xfs_scrub.h" /* * Lookup the first record less than or equal to [bno, len, owner, offset] @@ -2367,3 +2368,79 @@ xfs_rmap_record_exists( irec.rm_startblock + irec.rm_blockcount >= bno + len); return 0; } + +STATIC int +xfs_rmapbt_scrub_helper( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec) +{ + struct xfs_mount *mp = bs->cur->bc_mp; + struct xfs_rmap_irec irec; + bool is_freesp; + bool non_inode; + bool is_unwritten; + bool is_bmbt; + bool is_attr; + int error; + + error = xfs_rmapbt_btrec_to_irec(rec, &irec); + if (error) + return error; + + XFS_BTREC_SCRUB_CHECK(bs, irec.rm_startblock < mp->m_sb.sb_agblocks) + XFS_BTREC_SCRUB_CHECK(bs, irec.rm_startblock < irec.rm_startblock + + irec.rm_blockcount); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)irec.rm_startblock + + irec.rm_blockcount <= mp->m_sb.sb_agblocks) + + non_inode = XFS_RMAP_NON_INODE_OWNER(irec.rm_owner); + is_bmbt = irec.rm_flags & XFS_RMAP_ATTR_FORK; + is_attr = irec.rm_flags & XFS_RMAP_BMBT_BLOCK; + is_unwritten = irec.rm_flags & XFS_RMAP_UNWRITTEN; + + XFS_BTREC_SCRUB_CHECK(bs, !is_bmbt || irec.rm_offset == 0); + XFS_BTREC_SCRUB_CHECK(bs, !non_inode || irec.rm_offset == 0); + XFS_BTREC_SCRUB_CHECK(bs, !is_unwritten || !(is_bmbt || non_inode || + is_attr)); + XFS_BTREC_SCRUB_CHECK(bs, !non_inode || !(is_bmbt || is_unwritten || + is_attr)); + + /* check there's no record in freesp btrees */ + error = xfs_alloc_record_exists(bs->bno_cur, irec.rm_startblock, + irec.rm_blockcount, &is_freesp); + if (error) + goto err; + XFS_BTREC_SCRUB_CHECK(bs, !is_freesp); + + /* XXX: check with the owner */ + +err: + return error; +} + +/* Scrub the rmap btree for some AG. */ +int +xfs_rmapbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_btree_scrub bs; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &bs.agf_bp); + if (error) + return error; + + bs.cur = xfs_rmapbt_init_cursor(mp, NULL, bs.agf_bp, agno); + bs.scrub_rec = xfs_rmapbt_scrub_helper; + xfs_rmap_ag_owner(&bs.oinfo, XFS_RMAP_OWN_AG); + error = xfs_btree_scrub(&bs); + xfs_btree_del_cursor(bs.cur, + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, bs.agf_bp); + + if (!error && bs.error) + error = bs.error; + + return error; +} diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 0b045a6..9861e49 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -372,7 +372,6 @@ const struct xfs_buf_ops xfs_rmapbt_buf_ops = { .verify_write = xfs_rmapbt_write_verify, }; -#if defined(DEBUG) || defined(XFS_WARN) STATIC int xfs_rmapbt_keys_inorder( struct xfs_btree_cur *cur, @@ -408,7 +407,6 @@ xfs_rmapbt_recs_inorder( return 1; return 0; } -#endif /* DEBUG */ static const struct xfs_btree_ops xfs_rmapbt_ops = { .rec_len = sizeof(struct xfs_rmap_rec), @@ -428,10 +426,8 @@ static const struct xfs_btree_ops xfs_rmapbt_ops = { .key_diff = xfs_rmapbt_key_diff, .buf_ops = &xfs_rmapbt_buf_ops, .diff_two_keys = xfs_rmapbt_diff_two_keys, -#if defined(DEBUG) || defined(XFS_WARN) .keys_inorder = xfs_rmapbt_keys_inorder, .recs_inorder = xfs_rmapbt_recs_inorder, -#endif }; /* diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 2f072c8..3f8742d 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -147,4 +147,6 @@ extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, extern int xfs_rmap_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, xfs_extlen_t len, struct xfs_owner_info *oinfo, bool *has_rmap); +int xfs_rmapbt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); + #endif /* __XFS_RMAP_BTREE_H__ */ diff --git a/fs/xfs/xfs_scrub_sysfs.c b/fs/xfs/xfs_scrub_sysfs.c index cb7812f..c2256f3 100644 --- a/fs/xfs/xfs_scrub_sysfs.c +++ b/fs/xfs/xfs_scrub_sysfs.c @@ -178,12 +178,14 @@ XFS_AGDATA_SCRUB_ATTR(bnobt, NULL); XFS_AGDATA_SCRUB_ATTR(cntbt, NULL); XFS_AGDATA_SCRUB_ATTR(inobt, NULL); XFS_AGDATA_SCRUB_ATTR(finobt, xfs_sb_version_hasfinobt); +XFS_AGDATA_SCRUB_ATTR(rmapbt, xfs_sb_version_hasrmapbt); static struct attribute *xfs_agdata_scrub_attrs[] = { XFS_AGDATA_SCRUB_LIST(bnobt), XFS_AGDATA_SCRUB_LIST(cntbt), XFS_AGDATA_SCRUB_LIST(inobt), XFS_AGDATA_SCRUB_LIST(finobt), + XFS_AGDATA_SCRUB_LIST(rmapbt), NULL, }; From darrick.wong@oracle.com Thu Jun 16 20:30:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 453147EFB for ; Thu, 16 Jun 2016 20:30:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 14FBD304048 for ; Thu, 16 Jun 2016 18:30:45 -0700 (PDT) X-ASG-Debug-ID: 1466127041-04cbb01fee69c80001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 6m8DIrxbdoDBtBJ8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:42 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1UbM5000500 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:39 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UbAk024400 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:37 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Ubio026456; Fri, 17 Jun 2016 01:30:37 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:36 -0700 Subject: [PATCH 118/119] xfs: support scrubbing refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 118/119] xfs: support scrubbing refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:35 -0700 Message-ID: <146612703518.12839.12399566032000681767.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127042 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10434 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the pieces necessary to check the refcount btree. If rmap is available, check the reference count by performing an interval query against the rmapbt. v2: Handle the case where the rmap records are not all at least the length of the refcount extent. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_refcount.c | 224 ++++++++++++++++++++++++++++++++++++ fs/xfs/libxfs/xfs_refcount.h | 2 fs/xfs/libxfs/xfs_refcount_btree.c | 16 ++- fs/xfs/xfs_scrub_sysfs.c | 2 4 files changed, 240 insertions(+), 4 deletions(-) diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c index e8d8702..126dd57 100644 --- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -37,6 +37,7 @@ #include "xfs_bit.h" #include "xfs_refcount.h" #include "xfs_rmap_btree.h" +#include "xfs_scrub.h" /* Allowable refcount adjustment amounts. */ enum xfs_refc_adjust_op { @@ -1578,3 +1579,226 @@ xfs_refcount_free_cow_extent( return __xfs_refcount_add(mp, dfops, &ri); } + +struct xfs_refcountbt_scrub_fragment { + struct xfs_rmap_irec rm; + struct list_head list; +}; + +struct xfs_refcountbt_scrub_rmap_check_info { + xfs_nlink_t nr; + struct xfs_refcount_irec rc; + struct list_head fragments; +}; + +static int +xfs_refcountbt_scrub_rmap_check( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + struct xfs_refcountbt_scrub_rmap_check_info *rsrci = priv; + struct xfs_refcountbt_scrub_fragment *frag; + xfs_agblock_t rm_last; + xfs_agblock_t rc_last; + + rm_last = rec->rm_startblock + rec->rm_blockcount; + rc_last = rsrci->rc.rc_startblock + rsrci->rc.rc_blockcount; + if (rec->rm_startblock <= rsrci->rc.rc_startblock && rm_last >= rc_last) + rsrci->nr++; + else { + frag = kmem_zalloc(sizeof(struct xfs_refcountbt_scrub_fragment), + KM_SLEEP); + frag->rm = *rec; + list_add_tail(&frag->list, &rsrci->fragments); + } + + return 0; +} + +STATIC void +xfs_refcountbt_process_rmap_fragments( + struct xfs_mount *mp, + struct xfs_refcountbt_scrub_rmap_check_info *rsrci) +{ + struct list_head worklist; + struct xfs_refcountbt_scrub_fragment *cur; + struct xfs_refcountbt_scrub_fragment *n; + xfs_agblock_t bno; + xfs_agblock_t rbno; + xfs_agblock_t next_rbno; + xfs_nlink_t nr; + xfs_nlink_t target_nr; + + target_nr = rsrci->rc.rc_refcount - rsrci->nr; + if (target_nr == 0) + return; + + /* + * There are (rsrci->rc.rc_refcount - rsrci->nr refcount) + * references we haven't found yet. Pull that many off the + * fragment list and figure out where the smallest rmap ends + * (and therefore the next rmap should start). All the rmaps + * we pull off should start at or before the beginning of the + * refcount record's range. + */ + INIT_LIST_HEAD(&worklist); + rbno = NULLAGBLOCK; + nr = 1; + list_for_each_entry_safe(cur, n, &rsrci->fragments, list) { + if (cur->rm.rm_startblock > rsrci->rc.rc_startblock) + goto fail; + bno = cur->rm.rm_startblock + cur->rm.rm_blockcount; + if (rbno > bno) + rbno = bno; + list_del(&cur->list); + list_add_tail(&cur->list, &worklist); + if (nr == target_nr) + break; + nr++; + } + + if (nr != target_nr) + goto fail; + + while (!list_empty(&rsrci->fragments)) { + /* Discard any fragments ending at rbno. */ + nr = 0; + next_rbno = NULLAGBLOCK; + list_for_each_entry_safe(cur, n, &worklist, list) { + bno = cur->rm.rm_startblock + cur->rm.rm_blockcount; + if (bno != rbno) { + if (next_rbno > bno) + next_rbno = bno; + continue; + } + list_del(&cur->list); + kmem_free(cur); + nr++; + } + + /* Empty list? We're done. */ + if (list_empty(&rsrci->fragments)) + break; + + /* Try to add nr rmaps starting at rbno to the worklist. */ + list_for_each_entry_safe(cur, n, &rsrci->fragments, list) { + bno = cur->rm.rm_startblock + cur->rm.rm_blockcount; + if (cur->rm.rm_startblock != rbno) + goto fail; + list_del(&cur->list); + list_add_tail(&cur->list, &worklist); + if (next_rbno > bno) + next_rbno = bno; + nr--; + if (nr == 0) + break; + } + + rbno = next_rbno; + } + + /* + * Make sure the last extent we processed ends at or beyond + * the end of the refcount extent. + */ + if (rbno < rsrci->rc.rc_startblock + rsrci->rc.rc_blockcount) + goto fail; + + rsrci->nr = rsrci->rc.rc_refcount; +fail: + /* Delete fragments and work list. */ + while (!list_empty(&worklist)) { + cur = list_first_entry(&worklist, + struct xfs_refcountbt_scrub_fragment, list); + list_del(&cur->list); + kmem_free(cur); + } + while (!list_empty(&rsrci->fragments)) { + cur = list_first_entry(&rsrci->fragments, + struct xfs_refcountbt_scrub_fragment, list); + list_del(&cur->list); + kmem_free(cur); + } +} + +STATIC int +xfs_refcountbt_scrub_helper( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec) +{ + struct xfs_mount *mp = bs->cur->bc_mp; + struct xfs_rmap_irec low; + struct xfs_rmap_irec high; + struct xfs_refcount_irec irec; + struct xfs_refcountbt_scrub_rmap_check_info rsrci; + struct xfs_refcountbt_scrub_fragment *cur; + int error; + + irec.rc_startblock = be32_to_cpu(rec->refc.rc_startblock); + irec.rc_blockcount = be32_to_cpu(rec->refc.rc_blockcount); + irec.rc_refcount = be32_to_cpu(rec->refc.rc_refcount); + + XFS_BTREC_SCRUB_CHECK(bs, irec.rc_startblock < mp->m_sb.sb_agblocks); + XFS_BTREC_SCRUB_CHECK(bs, irec.rc_startblock < irec.rc_startblock + + irec.rc_blockcount); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)irec.rc_startblock + + irec.rc_blockcount <= mp->m_sb.sb_agblocks); + XFS_BTREC_SCRUB_CHECK(bs, irec.rc_refcount >= 1); + + /* confirm the refcount */ + if (!bs->rmap_cur) + return 0; + + memset(&low, 0, sizeof(low)); + low.rm_startblock = irec.rc_startblock; + memset(&high, 0xFF, sizeof(high)); + high.rm_startblock = irec.rc_startblock + irec.rc_blockcount - 1; + + rsrci.nr = 0; + rsrci.rc = irec; + INIT_LIST_HEAD(&rsrci.fragments); + error = xfs_rmapbt_query_range(bs->rmap_cur, &low, &high, + &xfs_refcountbt_scrub_rmap_check, &rsrci); + if (error && error != XFS_BTREE_QUERY_RANGE_ABORT) + goto err; + error = 0; + xfs_refcountbt_process_rmap_fragments(mp, &rsrci); + XFS_BTREC_SCRUB_CHECK(bs, irec.rc_refcount == rsrci.nr); + +err: + while (!list_empty(&rsrci.fragments)) { + cur = list_first_entry(&rsrci.fragments, + struct xfs_refcountbt_scrub_fragment, list); + list_del(&cur->list); + kmem_free(cur); + } + return error; +} + +/* Scrub the refcount btree for some AG. */ +int +xfs_refcountbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_btree_scrub bs; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &bs.agf_bp); + if (error) + return error; + + bs.cur = xfs_refcountbt_init_cursor(mp, NULL, bs.agf_bp, agno, NULL); + bs.scrub_rec = xfs_refcountbt_scrub_helper; + xfs_rmap_ag_owner(&bs.oinfo, XFS_RMAP_OWN_REFC); + error = xfs_btree_scrub(&bs); + xfs_btree_del_cursor(bs.cur, + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, bs.agf_bp); + + if (!error && bs.error) + error = bs.error; + + return error; +} diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h index 44b0346..d2317f1 100644 --- a/fs/xfs/libxfs/xfs_refcount.h +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -68,4 +68,6 @@ extern int xfs_refcount_free_cow_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, xfs_fsblock_t fsb, xfs_extlen_t len); +extern int xfs_refcountbt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); + #endif /* __XFS_REFCOUNT_H__ */ diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index abf1ebf..c5d2942 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -197,6 +197,16 @@ xfs_refcountbt_key_diff( return (__int64_t)be32_to_cpu(kp->rc_startblock) - rec->rc_startblock; } +STATIC __int64_t +xfs_refcountbt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k2->refc.rc_startblock) - + be32_to_cpu(k1->refc.rc_startblock); +} + STATIC bool xfs_refcountbt_verify( struct xfs_buf *bp) @@ -259,7 +269,6 @@ const struct xfs_buf_ops xfs_refcountbt_buf_ops = { .verify_write = xfs_refcountbt_write_verify, }; -#if defined(DEBUG) || defined(XFS_WARN) STATIC int xfs_refcountbt_keys_inorder( struct xfs_btree_cur *cur, @@ -288,13 +297,13 @@ xfs_refcountbt_recs_inorder( b.rc_startblock = be32_to_cpu(r2->refc.rc_startblock); b.rc_blockcount = be32_to_cpu(r2->refc.rc_blockcount); b.rc_refcount = be32_to_cpu(r2->refc.rc_refcount); + a = a; b = b; trace_xfs_refcount_rec_order_error(cur->bc_mp, cur->bc_private.a.agno, &a, &b); } return ret; } -#endif /* DEBUG */ static const struct xfs_btree_ops xfs_refcountbt_ops = { .rec_len = sizeof(struct xfs_refcount_rec), @@ -311,10 +320,9 @@ static const struct xfs_btree_ops xfs_refcountbt_ops = { .init_ptr_from_cur = xfs_refcountbt_init_ptr_from_cur, .key_diff = xfs_refcountbt_key_diff, .buf_ops = &xfs_refcountbt_buf_ops, -#if defined(DEBUG) || defined(XFS_WARN) + .diff_two_keys = xfs_refcountbt_diff_two_keys, .keys_inorder = xfs_refcountbt_keys_inorder, .recs_inorder = xfs_refcountbt_recs_inorder, -#endif }; /* diff --git a/fs/xfs/xfs_scrub_sysfs.c b/fs/xfs/xfs_scrub_sysfs.c index c2256f3..ad51e05 100644 --- a/fs/xfs/xfs_scrub_sysfs.c +++ b/fs/xfs/xfs_scrub_sysfs.c @@ -179,6 +179,7 @@ XFS_AGDATA_SCRUB_ATTR(cntbt, NULL); XFS_AGDATA_SCRUB_ATTR(inobt, NULL); XFS_AGDATA_SCRUB_ATTR(finobt, xfs_sb_version_hasfinobt); XFS_AGDATA_SCRUB_ATTR(rmapbt, xfs_sb_version_hasrmapbt); +XFS_AGDATA_SCRUB_ATTR(refcountbt, xfs_sb_version_hasreflink); static struct attribute *xfs_agdata_scrub_attrs[] = { XFS_AGDATA_SCRUB_LIST(bnobt), @@ -186,6 +187,7 @@ static struct attribute *xfs_agdata_scrub_attrs[] = { XFS_AGDATA_SCRUB_LIST(inobt), XFS_AGDATA_SCRUB_LIST(finobt), XFS_AGDATA_SCRUB_LIST(rmapbt), + XFS_AGDATA_SCRUB_LIST(refcountbt), NULL, }; From darrick.wong@oracle.com Thu Jun 16 20:30:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6D6A8800B for ; Thu, 16 Jun 2016 20:30:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 06904AC001 for ; Thu, 16 Jun 2016 18:30:50 -0700 (PDT) X-ASG-Debug-ID: 1466127049-04bdf01e1395e90001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id YVMQ6FffRFfkqb5I (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:49 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1UmSH000630 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:48 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Ul3Q018587 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:48 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Ulml030543; Fri, 17 Jun 2016 01:30:47 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:47 -0700 Subject: [PATCH v6 000/145] xfsprogs: add reverse mapping, reflink, dedupe, and online scrub support From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH v6 000/145] xfsprogs: add reverse mapping, reflink, dedupe, and online scrub support To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:45 -0700 Message-ID: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127049 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2823 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Hi all, This is the sixth revision of a patchset that adds to xfsprogs support for tracking reverse-mappings of physical blocks to file and metadata (rmap); support for mapping multiple file logical blocks to the same physical block (reflink); and implements the beginnings of online metadata scrubbing. Given the significant amount of design assumptions that change with block sharing, rmap and reflink are provided together. There shouldn't be any incompatible on-disk format changes, pending a thorough review of the patches within. The first few libxfs patches resync the xfsprogs libxfs with the kernel libxfs so that the new feature development can branch off (roughly) the same code. All patches in the kernel patchset that touch libxfs are provided here individually, and implement the same code changes. Patches to the actual xfsprogs programs are also provided -- xfs_db, xfs_logprint, and xfs_metadump are taught to examine the new on-disk data structures; xfs_io now knows how to inject errors for tests; mkfs can format the new features; and xfs_repair has been taught to check its own observations against the existing rmapbt and refcountbt and to regenerate the two indices. At the very end of the patchset is an initial implementation of twin "fsmap" commands in xfs_db and xfs_io for offline and online analysis of the filesystem. The last patch implements xfs_scrub which performs (very) limited online checking of the filesystem. It should work on any disk-based filesystem, and if it detects XFS it can trigger the in-kernel metadata b+tree scrubbing. The very first patch is a tool that can analyze xfs_buf deadlocks from ftrace output, and the patches after that merge various kernel libxfs changes into the xfsprogs libxfs so that the rest of the patches apply consistently. If you're going to start using this mess, you probably ought to just pull from my github trees for kernel[1], xfsprogs[2], and xfstests[3]. There are also updates for xfs-docs[4]. The kernel patches should apply to dchinner's for-next; xfsprogs patches to for-next; and xfstest to master. The kernel git tree already has for-next included. The patches have been xfstested with x64, i386, and armv7l--arm64, ppc64, and ppc64le no longer boot in qemu. All three architectures pass all 'clone' group tests except xfs/128 (which is the swapext test), and AFAICT don't cause any new failures for the 'auto' group. This is an extraordinary way to eat your data. Enjoy! Comments and questions are, as always, welcome. --D [1] https://github.com/djwong/linux/tree/djwong-devel [2] https://github.com/djwong/xfsprogs/tree/djwong-devel [3] https://github.com/djwong/xfstests/tree/djwong-devel [4] https://github.com/djwong/xfs-documentation/tree/djwong-devel From darrick.wong@oracle.com Thu Jun 16 20:30:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8FBCC800B for ; Thu, 16 Jun 2016 20:30:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4F6148F804C for ; Thu, 16 Jun 2016 18:30:52 -0700 (PDT) X-ASG-Debug-ID: 1466127049-04bdf01e1795ea0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id efYMYlt6G9hC5zAc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:30:49 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1UiXo013628 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:44 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Ui7C018506 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:44 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UhPM021846; Fri, 17 Jun 2016 01:30:43 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:43 -0700 Subject: [PATCH 119/119] xfs: add btree scrub tracepoints From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 119/119] xfs: add btree scrub tracepoints To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:41 -0700 Message-ID: <146612704152.12839.9204196958776547302.stgit@birch.djwong.org> In-Reply-To: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127049 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3228 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_scrub.c | 14 ++++++++++++++ fs/xfs/xfs_trace.h | 40 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/fs/xfs/libxfs/xfs_scrub.c b/fs/xfs/libxfs/xfs_scrub.c index d43d5c5..d43e742 100644 --- a/fs/xfs/libxfs/xfs_scrub.c +++ b/fs/xfs/libxfs/xfs_scrub.c @@ -34,6 +34,7 @@ #include "xfs_rmap_btree.h" #include "xfs_log_format.h" #include "xfs_trans.h" +#include "xfs_trace.h" #include "xfs_scrub.h" static const char * const btree_types[] = { @@ -88,6 +89,12 @@ xfs_btree_scrub_rec( struct xfs_btree_block *block; struct xfs_btree_block *keyblock; + trace_xfs_btree_scrub_rec(cur->bc_mp, cur->bc_private.a.agno, + XFS_FSB_TO_AGBNO(cur->bc_mp, + XFS_DADDR_TO_FSB(cur->bc_mp, + cur->bc_bufs[0]->b_bn)), + cur->bc_btnum, 0, cur->bc_nlevels, cur->bc_ptrs[0]); + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[0]); rec = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); @@ -135,6 +142,13 @@ xfs_btree_scrub_key( struct xfs_btree_block *block; struct xfs_btree_block *keyblock; + trace_xfs_btree_scrub_key(cur->bc_mp, cur->bc_private.a.agno, + XFS_FSB_TO_AGBNO(cur->bc_mp, + XFS_DADDR_TO_FSB(cur->bc_mp, + cur->bc_bufs[level]->b_bn)), + cur->bc_btnum, level, cur->bc_nlevels, + cur->bc_ptrs[level]); + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); key = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 9fe812f..e295374 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -3428,6 +3428,46 @@ DEFINE_GETFSMAP_EVENT(xfs_getfsmap_low_key); DEFINE_GETFSMAP_EVENT(xfs_getfsmap_high_key); DEFINE_GETFSMAP_EVENT(xfs_getfsmap_mapping); +/* scrub */ +DECLARE_EVENT_CLASS(xfs_scrub_sbtree_class, + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t bno, + xfs_btnum_t btnum, int level, int nlevels, int ptr), + TP_ARGS(mp, agno, bno, btnum, level, nlevels, ptr), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_btnum_t, btnum) + __field(xfs_agnumber_t, agno) + __field(xfs_agblock_t, bno) + __field(int, level) + __field(int, nlevels) + __field(int, ptr) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->agno = agno; + __entry->btnum = btnum; + __entry->bno = bno; + __entry->level = level; + __entry->nlevels = nlevels; + __entry->ptr = ptr; + ), + TP_printk("dev %d:%d agno %u agbno %u btnum %d level %d nlevels %d ptr %d\n", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->agno, + __entry->bno, + __entry->btnum, + __entry->level, + __entry->nlevels, + __entry->ptr) +) +#define DEFINE_SCRUB_SBTREE_EVENT(name) \ +DEFINE_EVENT(xfs_scrub_sbtree_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t bno, \ + xfs_btnum_t btnum, int level, int nlevels, int ptr), \ + TP_ARGS(mp, agno, bno, btnum, level, nlevels, ptr)) +DEFINE_SCRUB_SBTREE_EVENT(xfs_btree_scrub_rec); +DEFINE_SCRUB_SBTREE_EVENT(xfs_btree_scrub_key); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH From darrick.wong@oracle.com Thu Jun 16 20:31:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 158FD801B for ; Thu, 16 Jun 2016 20:31:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id CC4268F8052 for ; Thu, 16 Jun 2016 18:31:02 -0700 (PDT) X-ASG-Debug-ID: 1466127059-04cb6c542457c40001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id MiHEuOWaRPbxbjLT (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:00 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1UsmY013665 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:55 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UspJ018655 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:30:54 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Ur0Z030551; Fri, 17 Jun 2016 01:30:53 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:53 -0700 Subject: [PATCH 001/145] xfs_buflock: add a tool that can be used to find buffer deadlocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 001/145] xfs_buflock: add a tool that can be used to find buffer deadlocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:51 -0700 Message-ID: <146612705189.16048.16879115408286697572.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127059 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6417 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add a (rough) python script that can parse the output of: # trace-cmd -e xfs_buf_*lock*' to identify xfs_buf deadlocks between XFS threads. Signed-off-by: Darrick J. Wong --- tools/xfsbuflock.py | 205 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 205 insertions(+) create mode 100755 tools/xfsbuflock.py diff --git a/tools/xfsbuflock.py b/tools/xfsbuflock.py new file mode 100755 index 0000000..f307461 --- /dev/null +++ b/tools/xfsbuflock.py @@ -0,0 +1,205 @@ +#!/usr/bin/env python3 + +# Read ftrace input, looking for XFS buffer deadlocks. +# +# Copyright (C) 2016 Oracle. All Rights Reserved. +# +# Author: Darrick J. Wong +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. +# +# Rough guide to using this script: +# Collect ftrace data from a deadlock: +# +# # trace-cmd record -e 'xfs_buf_*lock*' & +# ^Z +# # killall -INT trace-cmd +# +# +# Now analyze the captured trace data: +# +# # trace-cmd report | xfsbuflock.py +# === fsx-14956 === +# +# 3732.005575: xfs_buf_trylock_fail: dev 8:16 bno 0x1 nblks 0x1 hold 4 \ +# pincount 1 lock 0 flags DONE|KMEM caller 0xc009af36s +# Locked buffers: +# dev 8:16 bno 0x64c371 nblks 0x1 lock 1 owner fsx-14956@3732.005567 +# waiting: fsx-14954 +# dev 8:16 bno 0x64c380 nblks 0x8 lock 1 owner fsx-14956@3732.005571 +# dev 8:16 bno 0x64c378 nblks 0x8 lock 1 owner fsx-14956@3732.005570 +# === fsx-14954 === +# +# 3732.005592: xfs_buf_trylock_fail: dev 8:16 bno 0x64c371 nblks 0x1 hold 4 \ +# pincount 1 lock 0 flags ASYNC|DONE|KMEM caller 0xc009af36s +# Locked buffers: +# dev 8:16 bno 0x8 nblks 0x8 lock 1 owner fsx-14954@3732.005583 +# dev 8:16 bno 0x1 nblks 0x1 lock 1 owner fsx-14954@3732.005574 +# waiting: fsx-14956 +# waiting: fsx-14957 +# waiting: fsx-14958 +# dev 8:16 bno 0x10 nblks 0x8 lock 1 owner fsx-14954@3732.005585 +# +# As you can see, fsx-14596 is locking AGFs in violation of the locking +# order rules. + +import sys +import fileinput +from collections import namedtuple + +NR_BACKTRACE = 50 + +class Process: + def __init__(self, pid): + self.pid = pid; + self.bufs = set() + self.locked_bufs = set() + self.backtrace = [] + + def dump(self): + print('=== %s ===' % self.pid) + for bt in self.backtrace: + print('%f: %s' % (bt.time, bt.descr)) + print('Locked buffers:') + for buf in self.locked_bufs: + buf.dump() + +class Buffer: + def __init__(self, dev, bno, blen): + self.dev = dev + self.bno = int(bno, 0) + self.blen = int(blen, 0) + self.locked = False + self.locktime = None + self.owner = None + self.waiters = set() + + def trylock(self, process, time): + self.lockdone(process, time) + + def lockdone(self, process, time): + if self.locked: + print('Buffer already locked on line %d?!' % nr) + # process.dump() + # self.dump() + # assert False + if process in self.waiters: + self.waiters.remove(process) + self.locked = True + self.owner = process + self.locktime = time + process.locked_bufs.add(self) + process.bufs.add(self) + locked_buffers.add(self) + + def waitlock(self, process): + self.waiters.add(process) + + def unlock(self): + self.locked = False + if self in locked_buffers: + locked_buffers.remove(self) + if self.owner is not None and \ + self in self.owner.locked_bufs: + self.owner.locked_bufs.remove(self) + + def dump(self): + if self.owner is not None: + pid = '%s@%f' % (self.owner.pid, self.locktime) + else: + pid = '' + print('dev %s bno 0x%x nblks 0x%x lock %d owner %s' % \ + (self.dev, self.bno, self.blen, self.locked, \ + pid)) + for proc in self.waiters: + print(' waiting: %s' % proc.pid) + +Event = namedtuple('Event', 'time descr') + +# Read ftrace input, looking for events and for buffer lock info +processes = {} +buffers = {} +locked_buffers = set() + +def getbuf(toks): + if int(toks[7], 0) == 18446744073709551615: + return None + bufkey = ' '.join(toks[4:10]) + if bufkey in buffers: + return buffers[bufkey] + buf = Buffer(toks[5], toks[7], toks[9]) + buffers[bufkey] = buf + return buf + +nr = 0 +for line in fileinput.input(): + nr += 1 + toks = line.split() + if len(toks) < 4: + continue + pid = toks[0] + time = float(toks[2][:-1]) + fn = toks[3][:-1] + + if pid in processes: + proc = processes[pid] + else: + proc = Process(pid) + processes[pid] = proc + + if fn == 'xfs_buf_unlock' or fn == 'xfs_buf_item_unlock_stale': + buf = getbuf(toks) + if buf is not None: + buf.unlock() + elif fn == 'xfs_buf_lock_done': + buf = getbuf(toks) + if buf is not None: + buf.lockdone(proc, time) + elif fn == 'xfs_buf_lock': + buf = getbuf(toks) + if buf is not None: + buf.waitlock(proc) + elif fn == 'xfs_buf_trylock': + buf = getbuf(toks) + if buf is not None: + buf.trylock(proc, time) + elif fn == 'xfs_buf_item_unlock': + pass + else: + e = Event(time, ' '.join(toks[3:])) + proc.backtrace.append(e) + if len(proc.backtrace) > NR_BACKTRACE: + proc.backtrace.pop(0) + +deadlocked = set() +for buf in locked_buffers: + deadlocked.add(buf.owner) + +for proc in deadlocked: + proc.dump() + +sys.exit(0) + +for key in buffers: + buf = buffers[key] + if buf.locked: + print('dev %s bno 0x%x len 0x%x owner %s' % (buf.dev, buf.bno, buf.blen, buf.owner.pid)) + else: + print('dev %s bno 0x%x len 0x%x' % (buf.dev, buf.bno, buf.blen)) + +sys.exit(0) + +for pid in processes: + proc = processes[pid] From darrick.wong@oracle.com Thu Jun 16 20:31:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 335D38024 for ; Thu, 16 Jun 2016 20:31:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C3F7730404E for ; Thu, 16 Jun 2016 18:31:07 -0700 (PDT) X-ASG-Debug-ID: 1466127064-04cb6c542757c70001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id kASfPg0aHDpr8km3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:04 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1V2Oo001055 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:31:03 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1V2Wu024021 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:02 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1UxwI009626; Fri, 17 Jun 2016 01:31:00 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:30:59 -0700 Subject: [PATCH 002/145] libxfs: port changes from kernel libxfs From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 002/145] libxfs: port changes from kernel libxfs To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:30:58 -0700 Message-ID: <146612705805.16048.1345024248406024616.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127064 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10461 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, INFO_TLD, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.00 INFO_TLD URI: Contains an URL in the INFO top-level domain Port various changes between the kernel and xfsprogs. This cleans up both so that we can develop rmap and reflink on the same libxfs code. Signed-off-by: Darrick J. Wong --- libxfs/xfs_alloc.c | 5 +++-- libxfs/xfs_btree.c | 4 ++-- libxfs/xfs_da_btree.c | 51 ++++++++++++++++++++++++------------------------ libxfs/xfs_dir2_node.c | 2 ++ libxfs/xfs_dquot_buf.c | 10 +++++---- libxfs/xfs_format.h | 3 +-- libxfs/xfs_ialloc.c | 5 ++--- libxfs/xfs_inode_buf.c | 3 +-- libxfs/xfs_inode_buf.h | 2 -- libxfs/xfs_sb.c | 19 ++++++++++++++++++ 10 files changed, 61 insertions(+), 43 deletions(-) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index af40270..28b3fb9 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -2411,8 +2411,9 @@ xfs_alloc_read_agf( be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]); spin_lock_init(&pag->pagb_lock); pag->pagb_count = 0; - /* XXX: pagb_tree doesn't exist in userspace */ - //pag->pagb_tree = RB_ROOT; +#ifdef __KERNEL__ + pag->pagb_tree = RB_ROOT; +#endif pag->pagf_init = 1; } #ifdef DEBUG diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index a736cb5..1448fd6 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -243,7 +243,7 @@ xfs_btree_lblock_verify_crc( struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); struct xfs_mount *mp = bp->b_target->bt_mount; - if (xfs_sb_version_hascrc(&bp->b_target->bt_mount->m_sb)) { + if (xfs_sb_version_hascrc(&mp->m_sb)) { if (!xfs_log_check_lsn(mp, be64_to_cpu(block->bb_u.l.bb_lsn))) return false; return xfs_buf_verify_cksum(bp, XFS_BTREE_LBLOCK_CRC_OFF); @@ -281,7 +281,7 @@ xfs_btree_sblock_verify_crc( struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); struct xfs_mount *mp = bp->b_target->bt_mount; - if (xfs_sb_version_hascrc(&bp->b_target->bt_mount->m_sb)) { + if (xfs_sb_version_hascrc(&mp->m_sb)) { if (!xfs_log_check_lsn(mp, be64_to_cpu(block->bb_u.s.bb_lsn))) return false; return xfs_buf_verify_cksum(bp, XFS_BTREE_SBLOCK_CRC_OFF); diff --git a/libxfs/xfs_da_btree.c b/libxfs/xfs_da_btree.c index f3c04ab..298252e 100644 --- a/libxfs/xfs_da_btree.c +++ b/libxfs/xfs_da_btree.c @@ -351,6 +351,7 @@ xfs_da3_split( struct xfs_da_state_blk *newblk; struct xfs_da_state_blk *addblk; struct xfs_da_intnode *node; + struct xfs_buf *bp; int max; int action = 0; int error; @@ -391,9 +392,7 @@ xfs_da3_split( break; } /* - * Entry wouldn't fit, split the leaf again. The new - * extrablk will be consumed by xfs_da3_node_split if - * the node is split. + * Entry wouldn't fit, split the leaf again. */ state->extravalid = 1; if (state->inleaf) { @@ -442,14 +441,6 @@ xfs_da3_split( return 0; /* - * xfs_da3_node_split() should have consumed any extra blocks we added - * during a double leaf split in the attr fork. This is guaranteed as - * we can't be here if the attr fork only has a single leaf block. - */ - ASSERT(state->extravalid == 0 || - state->path.blk[max].magic == XFS_DIR2_LEAFN_MAGIC); - - /* * Split the root node. */ ASSERT(state->path.active == 0); @@ -461,31 +452,41 @@ xfs_da3_split( } /* - * Update pointers to the node which used to be block 0 and just got - * bumped because of the addition of a new root node. Note that the - * original block 0 could be at any position in the list of blocks in - * the tree. + * Update pointers to the node which used to be block 0 and + * just got bumped because of the addition of a new root node. + * There might be three blocks involved if a double split occurred, + * and the original block 0 could be at any position in the list. * - * Note: the magic numbers and sibling pointers are in the same physical - * place for both v2 and v3 headers (by design). Hence it doesn't matter - * which version of the xfs_da_intnode structure we use here as the - * result will be the same using either structure. + * Note: the magic numbers and sibling pointers are in the same + * physical place for both v2 and v3 headers (by design). Hence it + * doesn't matter which version of the xfs_da_intnode structure we use + * here as the result will be the same using either structure. */ node = oldblk->bp->b_addr; if (node->hdr.info.forw) { - ASSERT(be32_to_cpu(node->hdr.info.forw) == addblk->blkno); - node = addblk->bp->b_addr; + if (be32_to_cpu(node->hdr.info.forw) == addblk->blkno) { + bp = addblk->bp; + } else { + ASSERT(state->extravalid); + bp = state->extrablk.bp; + } + node = bp->b_addr; node->hdr.info.back = cpu_to_be32(oldblk->blkno); - xfs_trans_log_buf(state->args->trans, addblk->bp, + xfs_trans_log_buf(state->args->trans, bp, XFS_DA_LOGRANGE(node, &node->hdr.info, sizeof(node->hdr.info))); } node = oldblk->bp->b_addr; if (node->hdr.info.back) { - ASSERT(be32_to_cpu(node->hdr.info.back) == addblk->blkno); - node = addblk->bp->b_addr; + if (be32_to_cpu(node->hdr.info.back) == addblk->blkno) { + bp = addblk->bp; + } else { + ASSERT(state->extravalid); + bp = state->extrablk.bp; + } + node = bp->b_addr; node->hdr.info.forw = cpu_to_be32(oldblk->blkno); - xfs_trans_log_buf(state->args->trans, addblk->bp, + xfs_trans_log_buf(state->args->trans, bp, XFS_DA_LOGRANGE(node, &node->hdr.info, sizeof(node->hdr.info))); } diff --git a/libxfs/xfs_dir2_node.c b/libxfs/xfs_dir2_node.c index 224daa6..04fecf1 100644 --- a/libxfs/xfs_dir2_node.c +++ b/libxfs/xfs_dir2_node.c @@ -2146,12 +2146,14 @@ xfs_dir2_node_replace( state = xfs_da_state_alloc(); state->args = args; state->mp = args->dp->i_mount; + /* * We have to save new inode number and ftype since * xfs_da3_node_lookup_int() is going to overwrite them */ inum = args->inumber; ftype = args->filetype; + /* * Lookup the entry to change in the btree. */ diff --git a/libxfs/xfs_dquot_buf.c b/libxfs/xfs_dquot_buf.c index 433abe4..7b7ea83 100644 --- a/libxfs/xfs_dquot_buf.c +++ b/libxfs/xfs_dquot_buf.c @@ -37,11 +37,8 @@ int xfs_calc_dquots_per_chunk( unsigned int nbblks) /* basic block units */ { - - ASSERT(nbblks > 0); - return BBTOB(nbblks) / sizeof(xfs_dqblk_t); - -#if 0 /* kernel code that goes wrong in userspace! */ +#ifdef __KERNEL__ + /* kernel code that goes wrong in userspace! */ unsigned int ndquots; ASSERT(nbblks > 0); @@ -49,6 +46,9 @@ xfs_calc_dquots_per_chunk( do_div(ndquots, sizeof(xfs_dqblk_t)); return ndquots; +#else + ASSERT(nbblks > 0); + return BBTOB(nbblks) / sizeof(xfs_dqblk_t); #endif } diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index f89b6e0..825fa0c 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -469,7 +469,6 @@ xfs_sb_has_ro_compat_feature( #define XFS_SB_FEAT_INCOMPAT_FTYPE (1 << 0) /* filetype in dirent */ #define XFS_SB_FEAT_INCOMPAT_SPINODES (1 << 1) /* sparse inode chunks */ #define XFS_SB_FEAT_INCOMPAT_META_UUID (1 << 2) /* metadata UUID */ - #define XFS_SB_FEAT_INCOMPAT_ALL \ (XFS_SB_FEAT_INCOMPAT_FTYPE| \ XFS_SB_FEAT_INCOMPAT_SPINODES| \ @@ -533,7 +532,7 @@ static inline bool xfs_sb_version_hassparseinodes(struct xfs_sb *sbp) * user-visible UUID to be changed on V5 filesystems which have a * filesystem UUID stamped into every piece of metadata. */ -static inline int xfs_sb_version_hasmetauuid(xfs_sb_t *sbp) +static inline bool xfs_sb_version_hasmetauuid(struct xfs_sb *sbp) { return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_META_UUID); diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 64c3acf..72e9ff7 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -1822,8 +1822,7 @@ xfs_difree_inode_chunk( if (!xfs_inobt_issparse(rec->ir_holemask)) { /* not sparse, calculate extent info directly */ - xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, - XFS_AGINO_TO_AGBNO(mp, rec->ir_startino)), + xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, sagbno), mp->m_ialloc_blks); return; } @@ -2228,7 +2227,7 @@ xfs_imap_lookup( } xfs_trans_brelse(tp, agbp); - xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); if (error) return error; diff --git a/libxfs/xfs_inode_buf.c b/libxfs/xfs_inode_buf.c index e3d674d..c21a4e6 100644 --- a/libxfs/xfs_inode_buf.c +++ b/libxfs/xfs_inode_buf.c @@ -375,7 +375,7 @@ xfs_log_dinode_to_disk( } } -bool +static bool xfs_dinode_verify( struct xfs_mount *mp, xfs_ino_t ino, @@ -514,7 +514,6 @@ xfs_iread( } ASSERT(ip->i_d.di_version >= 2); - ip->i_delayed_blks = 0; /* diff --git a/libxfs/xfs_inode_buf.h b/libxfs/xfs_inode_buf.h index 4ece9bf..958c543 100644 --- a/libxfs/xfs_inode_buf.h +++ b/libxfs/xfs_inode_buf.h @@ -72,8 +72,6 @@ void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to, void xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from); void xfs_log_dinode_to_disk(struct xfs_log_dinode *from, struct xfs_dinode *to); -bool xfs_dinode_verify(struct xfs_mount *mp, xfs_ino_t ino, - struct xfs_dinode *dip); bool xfs_dinode_good_version(struct xfs_mount *mp, __u8 version); diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c index 78ad889..67c7a65 100644 --- a/libxfs/xfs_sb.c +++ b/libxfs/xfs_sb.c @@ -256,6 +256,19 @@ xfs_mount_validate_sb( } /* + * Until this is fixed only page-sized or smaller data blocks work. + */ +#ifdef __KERNEL__ + if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) { + xfs_warn(mp, + "File system with blocksize %d bytes. " + "Only pagesize (%ld) or less will currently work.", + sbp->sb_blocksize, PAGE_SIZE); + return -ENOSYS; + } +#endif + + /* * Currently only very few inode sizes are supported. */ switch (sbp->sb_inodesize) { @@ -277,6 +290,12 @@ xfs_mount_validate_sb( return -EFBIG; } +#ifdef __KERNEL__ + if (check_inprogress && sbp->sb_inprogress) { + xfs_warn(mp, "Offline file system operation in progress!"); + return -EFSCORRUPTED; + } +#endif return 0; } From darrick.wong@oracle.com Thu Jun 16 20:31:14 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4F6D3802E for ; Thu, 16 Jun 2016 20:31:14 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1F60830405F for ; Thu, 16 Jun 2016 18:31:14 -0700 (PDT) X-ASG-Debug-ID: 1466127071-04cbb01fed69cf0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id rs4eZZZGvjlX9N6T (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:12 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1V7kQ014044 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:07 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1V6gD025352 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:07 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1V5bt021989; Fri, 17 Jun 2016 01:31:06 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:05 -0700 Subject: [PATCH 003/145] libxfs: backport changes from 4.5 From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 003/145] libxfs: backport changes from 4.5 To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:04 -0700 Message-ID: <146612706430.16048.5914881403419597862.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127072 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8676 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Backport changes from kernel 4.3 -> 4.5. Signed-off-by: Darrick J. Wong --- include/libxfs.h | 1 + libxfs/libxfs_api_defs.h | 2 +- libxfs/libxfs_priv.h | 8 -------- libxfs/xfs_alloc_btree.c | 4 ---- libxfs/xfs_attr.c | 2 ++ libxfs/xfs_dir2.h | 3 +-- libxfs/xfs_dir2_data.c | 14 +++++++------- libxfs/xfs_dquot_buf.c | 4 ++-- libxfs/xfs_ialloc_btree.c | 2 -- repair/dir2.c | 3 +-- repair/dir2.h | 20 ++++++++++++++++++++ repair/phase6.c | 2 +- 12 files changed, 36 insertions(+), 29 deletions(-) diff --git a/include/libxfs.h b/include/libxfs.h index cf2e20e..a34a3a9 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -163,6 +163,7 @@ extern unsigned int libxfs_log2_roundup(unsigned int i); extern int libxfs_alloc_file_space (struct xfs_inode *, xfs_off_t, xfs_off_t, int, int); +extern int libxfs_bmap_finish(xfs_trans_t **, xfs_bmap_free_t *, struct xfs_inode *); extern void libxfs_fs_repair_cmn_err(int, struct xfs_mount *, char *, ...); extern void libxfs_fs_cmn_err(int, struct xfs_mount *, char *, ...); diff --git a/libxfs/libxfs_api_defs.h b/libxfs/libxfs_api_defs.h index 685c7a7..bb502e0 100644 --- a/libxfs/libxfs_api_defs.h +++ b/libxfs/libxfs_api_defs.h @@ -85,7 +85,7 @@ #define xfs_dir_replace libxfs_dir_replace #define xfs_dir2_isblock libxfs_dir2_isblock #define xfs_dir2_isleaf libxfs_dir2_isleaf -#define __xfs_dir2_data_freescan libxfs_dir2_data_freescan +#define xfs_dir2_data_freescan libxfs_dir2_data_freescan #define xfs_dir2_data_log_entry libxfs_dir2_data_log_entry #define xfs_dir2_data_log_header libxfs_dir2_data_log_header #define xfs_dir2_data_make_free libxfs_dir2_data_make_free diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h index 2c5aba0..ef9ff3b 100644 --- a/libxfs/libxfs_priv.h +++ b/libxfs/libxfs_priv.h @@ -49,14 +49,6 @@ #ifndef __LIBXFS_INTERNAL_XFS_H__ #define __LIBXFS_INTERNAL_XFS_H__ -/* - * Repair doesn't have a inode when it calls libxfs_dir2_data_freescan, - * so we to work around this internally for now. - */ -#define xfs_dir2_data_freescan(ip, hdr, loghead) \ - __xfs_dir2_data_freescan((ip)->i_mount->m_dir_geo, \ - (ip)->d_ops, hdr, loghead) - #include "libxfs_api_defs.h" #include "platform_defs.h" #include "xfs.h" diff --git a/libxfs/xfs_alloc_btree.c b/libxfs/xfs_alloc_btree.c index 79d0fb9..094135f 100644 --- a/libxfs/xfs_alloc_btree.c +++ b/libxfs/xfs_alloc_btree.c @@ -289,8 +289,6 @@ xfs_allocbt_verify( level = be16_to_cpu(block->bb_level); switch (block->bb_magic) { case cpu_to_be32(XFS_ABTB_CRC_MAGIC): - if (!xfs_sb_version_hascrc(&mp->m_sb)) - return false; if (!xfs_btree_sblock_v5hdr_verify(bp)) return false; /* fall through */ @@ -302,8 +300,6 @@ xfs_allocbt_verify( return false; break; case cpu_to_be32(XFS_ABTC_CRC_MAGIC): - if (!xfs_sb_version_hascrc(&mp->m_sb)) - return false; if (!xfs_btree_sblock_v5hdr_verify(bp)) return false; /* fall through */ diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c index afe3dcb..82a7c5e 100644 --- a/libxfs/xfs_attr.c +++ b/libxfs/xfs_attr.c @@ -134,6 +134,8 @@ xfs_attr_get( args.value = value; args.valuelen = *valuelenp; + /* Entirely possible to look up a name which doesn't exist */ + args.op_flags = XFS_DA_OP_OKNOENT; lock_mode = xfs_ilock_attr_map_shared(ip); if (!xfs_inode_hasattr(ip)) diff --git a/libxfs/xfs_dir2.h b/libxfs/xfs_dir2.h index 0129e37..0a62e73 100644 --- a/libxfs/xfs_dir2.h +++ b/libxfs/xfs_dir2.h @@ -157,8 +157,7 @@ extern int xfs_dir2_isleaf(struct xfs_da_args *args, int *r); extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db, struct xfs_buf *bp); -extern void __xfs_dir2_data_freescan(struct xfs_da_geometry *geo, - const struct xfs_dir_ops *ops, +extern void xfs_dir2_data_freescan(struct xfs_inode *dp, struct xfs_dir2_data_hdr *hdr, int *loghead); extern void xfs_dir2_data_log_entry(struct xfs_da_args *args, struct xfs_buf *bp, struct xfs_dir2_data_entry *dep); diff --git a/libxfs/xfs_dir2_data.c b/libxfs/xfs_dir2_data.c index 6ae5cd2..c80ab7e 100644 --- a/libxfs/xfs_dir2_data.c +++ b/libxfs/xfs_dir2_data.c @@ -502,9 +502,8 @@ xfs_dir2_data_freeremove( * Given a data block, reconstruct its bestfree map. */ void -__xfs_dir2_data_freescan( - struct xfs_da_geometry *geo, - const struct xfs_dir_ops *ops, +xfs_dir2_data_freescan( + struct xfs_inode *dp, struct xfs_dir2_data_hdr *hdr, int *loghead) { @@ -514,6 +513,7 @@ __xfs_dir2_data_freescan( struct xfs_dir2_data_free *bf; char *endp; /* end of block's data */ char *p; /* current entry pointer */ + struct xfs_da_geometry *geo = dp->i_mount->m_dir_geo; ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || @@ -523,13 +523,13 @@ __xfs_dir2_data_freescan( /* * Start by clearing the table. */ - bf = ops->data_bestfree_p(hdr); + bf = dp->d_ops->data_bestfree_p(hdr); memset(bf, 0, sizeof(*bf) * XFS_DIR2_DATA_FD_COUNT); *loghead = 1; /* * Set up pointers. */ - p = (char *)ops->data_entry_p(hdr); + p = (char *)dp->d_ops->data_entry_p(hdr); if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) || hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) { btp = xfs_dir2_block_tail_p(geo, hdr); @@ -556,8 +556,8 @@ __xfs_dir2_data_freescan( else { dep = (xfs_dir2_data_entry_t *)p; ASSERT((char *)dep - (char *)hdr == - be16_to_cpu(*ops->data_entry_tag_p(dep))); - p += ops->data_entsize(dep->namelen); + be16_to_cpu(*dp->d_ops->data_entry_tag_p(dep))); + p += dp->d_ops->data_entsize(dep->namelen); } } } diff --git a/libxfs/xfs_dquot_buf.c b/libxfs/xfs_dquot_buf.c index 7b7ea83..bfc6383 100644 --- a/libxfs/xfs_dquot_buf.c +++ b/libxfs/xfs_dquot_buf.c @@ -199,8 +199,8 @@ xfs_dquot_buf_verify_crc( if (mp->m_quotainfo) ndquots = mp->m_quotainfo->qi_dqperchunk; else - ndquots = xfs_calc_dquots_per_chunk(bp->b_length); -// XFS_BB_TO_FSB(mp, bp->b_length)); + ndquots = xfs_calc_dquots_per_chunk( + XFS_BB_TO_FSB(mp, bp->b_length)); for (i = 0; i < ndquots; i++, d++) { if (!xfs_verify_cksum((char *)d, sizeof(struct xfs_dqblk), diff --git a/libxfs/xfs_ialloc_btree.c b/libxfs/xfs_ialloc_btree.c index a077635..0a7d985 100644 --- a/libxfs/xfs_ialloc_btree.c +++ b/libxfs/xfs_ialloc_btree.c @@ -227,8 +227,6 @@ xfs_inobt_verify( switch (block->bb_magic) { case cpu_to_be32(XFS_IBT_CRC_MAGIC): case cpu_to_be32(XFS_FIBT_CRC_MAGIC): - if (!xfs_sb_version_hascrc(&mp->m_sb)) - return false; if (!xfs_btree_sblock_v5hdr_verify(bp)) return false; /* fall through */ diff --git a/repair/dir2.c b/repair/dir2.c index 61912d1..a2fe5c6 100644 --- a/repair/dir2.c +++ b/repair/dir2.c @@ -921,8 +921,7 @@ _("bad bestfree table in block %u in directory inode %" PRIu64 ": "), da_bno, ino); if (!no_modify) { do_warn(_("repairing table\n")); - libxfs_dir2_data_freescan(mp->m_dir_geo, M_DIROPS(mp), - d, &i); + repair_dir2_data_freescan(mp, M_DIROPS(mp), d, &i); *dirty = 1; } else { do_warn(_("would repair table\n")); diff --git a/repair/dir2.h b/repair/dir2.h index e4d4eeb..a0d873e 100644 --- a/repair/dir2.h +++ b/repair/dir2.h @@ -43,4 +43,24 @@ int dir2_is_badino( xfs_ino_t ino); +/* + * Repair doesn't have a inode when it calls libxfs_dir2_data_freescan, + * so we to work around this internally for now. + */ +static inline void +repair_dir2_data_freescan( + struct xfs_mount *mp, + const struct xfs_dir_ops *d_ops, + struct xfs_dir2_data_hdr *hdr, + int *loghead) +{ + struct xfs_inode ino; + + ino.d_ops = d_ops; + ino.i_mount = mp; + return libxfs_dir2_data_freescan(&ino, hdr, loghead); +} + +extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); + #endif /* _XR_DIR2_H */ diff --git a/repair/phase6.c b/repair/phase6.c index 0a71164..7353c3a 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -1902,7 +1902,7 @@ _("entry \"%s\" in dir inode %" PRIu64 " inconsistent with .. value (%" PRIu64 " } *num_illegal += nbad; if (needscan) - libxfs_dir2_data_freescan(mp->m_dir_geo, M_DIROPS(mp), d, &i); + repair_dir2_data_freescan(mp, M_DIROPS(mp), d, &i); if (needlog) libxfs_dir2_data_log_header(&da, bp); libxfs_bmap_finish(&tp, &flist, ip); From darrick.wong@oracle.com Thu Jun 16 20:31:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E044D7FA7 for ; Thu, 16 Jun 2016 20:31:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 77865AC001 for ; Thu, 16 Jun 2016 18:31:20 -0700 (PDT) X-ASG-Debug-ID: 1466127077-04bdf01e1395f00001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id iAaYGxuYe4XwmKNm (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:18 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1VDjF014125 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:13 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VDT9019146 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:13 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VCrF022003; Fri, 17 Jun 2016 01:31:12 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:11 -0700 Subject: [PATCH 004/145] libxfs: backport kernel 4.6 changes From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 004/145] libxfs: backport kernel 4.6 changes To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:10 -0700 Message-ID: <146612707046.16048.7170232600634665075.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127078 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11860 X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Backport the changes from kernel 4.5 -> 4.6. Signed-off-by: Darrick J. Wong --- include/xfs_trans.h | 1 libxfs/libxfs_priv.h | 2 - libxfs/trans.c | 1 libxfs/xfs_bmap.c | 170 +++++++++++++++++++++++++++++++++-------------- libxfs/xfs_bmap_btree.c | 4 + libxfs/xfs_dir2_node.c | 4 + libxfs/xfs_ialloc.c | 4 + 7 files changed, 129 insertions(+), 57 deletions(-) diff --git a/include/xfs_trans.h b/include/xfs_trans.h index 5467c7f..d7ee1fd 100644 --- a/include/xfs_trans.h +++ b/include/xfs_trans.h @@ -81,6 +81,7 @@ typedef struct xfs_trans { long t_fdblocks_delta; /* superblock fdblocks chg */ long t_frextents_delta; /* superblock freextents chg */ struct list_head t_items; /* first log item desc chunk */ + unsigned int t_blk_res; } xfs_trans_t; void xfs_trans_init(struct xfs_mount *); diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h index ef9ff3b..ecd75e7 100644 --- a/libxfs/libxfs_priv.h +++ b/libxfs/libxfs_priv.h @@ -187,7 +187,7 @@ enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC }; */ #define prandom_u32() 0 -#define PAGE_CACHE_SIZE getpagesize() +#define PAGE_SIZE getpagesize() static inline int __do_div(unsigned long long *n, unsigned base) { diff --git a/libxfs/trans.c b/libxfs/trans.c index 0388950..18ea010 100644 --- a/libxfs/trans.c +++ b/libxfs/trans.c @@ -193,6 +193,7 @@ libxfs_trans_reserve( if (blocks > 0) { if (mpsb->sb_fdblocks < blocks) return -ENOSPC; + tp->t_blk_res += blocks; } /* user space, don't need log/RT stuff (preserve the API though) */ return 0; diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 40286e4..cbcfd72 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -469,10 +469,7 @@ xfs_bmap_check_leaf_extents( } block = XFS_BUF_TO_BLOCK(bp); } - if (bp_release) { - bp_release = 0; - xfs_trans_brelse(NULL, bp); - } + return; error0: @@ -3737,11 +3734,11 @@ xfs_bmap_btalloc( args.prod = align; if ((args.mod = (xfs_extlen_t)do_mod(ap->offset, args.prod))) args.mod = (xfs_extlen_t)(args.prod - args.mod); - } else if (mp->m_sb.sb_blocksize >= PAGE_CACHE_SIZE) { + } else if (mp->m_sb.sb_blocksize >= PAGE_SIZE) { args.prod = 1; args.mod = 0; } else { - args.prod = PAGE_CACHE_SIZE >> mp->m_sb.sb_blocklog; + args.prod = PAGE_SIZE >> mp->m_sb.sb_blocklog; if ((args.mod = (xfs_extlen_t)(do_mod(ap->offset, args.prod)))) args.mod = (xfs_extlen_t)(args.prod - args.mod); } @@ -4713,6 +4710,66 @@ error0: } /* + * When a delalloc extent is split (e.g., due to a hole punch), the original + * indlen reservation must be shared across the two new extents that are left + * behind. + * + * Given the original reservation and the worst case indlen for the two new + * extents (as calculated by xfs_bmap_worst_indlen()), split the original + * reservation fairly across the two new extents. If necessary, steal available + * blocks from a deleted extent to make up a reservation deficiency (e.g., if + * ores == 1). The number of stolen blocks is returned. The availability and + * subsequent accounting of stolen blocks is the responsibility of the caller. + */ +static xfs_filblks_t +xfs_bmap_split_indlen( + xfs_filblks_t ores, /* original res. */ + xfs_filblks_t *indlen1, /* ext1 worst indlen */ + xfs_filblks_t *indlen2, /* ext2 worst indlen */ + xfs_filblks_t avail) /* stealable blocks */ +{ + xfs_filblks_t len1 = *indlen1; + xfs_filblks_t len2 = *indlen2; + xfs_filblks_t nres = len1 + len2; /* new total res. */ + xfs_filblks_t stolen = 0; + + /* + * Steal as many blocks as we can to try and satisfy the worst case + * indlen for both new extents. + */ + while (nres > ores && avail) { + nres--; + avail--; + stolen++; + } + + /* + * The only blocks available are those reserved for the original + * extent and what we can steal from the extent being removed. + * If this still isn't enough to satisfy the combined + * requirements for the two new extents, skim blocks off of each + * of the new reservations until they match what is available. + */ + while (nres > ores) { + if (len1) { + len1--; + nres--; + } + if (nres == ores) + break; + if (len2) { + len2--; + nres--; + } + } + + *indlen1 = len1; + *indlen2 = len2; + + return stolen; +} + +/* * Called by xfs_bmapi to update file extent records and the btree * after removing space (or undoing a delayed allocation). */ @@ -4976,28 +5033,29 @@ xfs_bmap_del_extent( XFS_IFORK_NEXT_SET(ip, whichfork, XFS_IFORK_NEXTENTS(ip, whichfork) + 1); } else { + xfs_filblks_t stolen; ASSERT(whichfork == XFS_DATA_FORK); - temp = xfs_bmap_worst_indlen(ip, temp); + + /* + * Distribute the original indlen reservation across the + * two new extents. Steal blocks from the deleted extent + * if necessary. Stealing blocks simply fudges the + * fdblocks accounting in xfs_bunmapi(). + */ + temp = xfs_bmap_worst_indlen(ip, got.br_blockcount); + temp2 = xfs_bmap_worst_indlen(ip, new.br_blockcount); + stolen = xfs_bmap_split_indlen(da_old, &temp, &temp2, + del->br_blockcount); + da_new = temp + temp2 - stolen; + del->br_blockcount -= stolen; + + /* + * Set the reservation for each extent. Warn if either + * is zero as this can lead to delalloc problems. + */ + WARN_ON_ONCE(!temp || !temp2); xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); - temp2 = xfs_bmap_worst_indlen(ip, temp2); new.br_startblock = nullstartblock((int)temp2); - da_new = temp + temp2; - while (da_new > da_old) { - if (temp) { - temp--; - da_new--; - xfs_bmbt_set_startblock(ep, - nullstartblock((int)temp)); - } - if (da_new == da_old) - break; - if (temp2) { - temp2--; - da_new--; - new.br_startblock = - nullstartblock((int)temp2); - } - } } trace_xfs_bmap_post_update(ip, *idx, state, _THIS_IP_); xfs_iext_insert(ip, *idx + 1, 1, &new, state); @@ -5202,7 +5260,7 @@ xfs_bunmapi( * This is better than zeroing it. */ ASSERT(del.br_state == XFS_EXT_NORM); - ASSERT(xfs_trans_get_block_res(tp) > 0); + ASSERT(tp->t_blk_res > 0); /* * If this spans a realtime extent boundary, * chop it back to the start of the one we end at. @@ -5233,7 +5291,7 @@ xfs_bunmapi( del.br_startblock += mod; } else if ((del.br_startoff == start && (del.br_state == XFS_EXT_UNWRITTEN || - xfs_trans_get_block_res(tp) == 0)) || + tp->t_blk_res == 0)) || !xfs_sb_version_hasextflgbit(&mp->m_sb)) { /* * Can't make it unwritten. There isn't @@ -5288,9 +5346,37 @@ xfs_bunmapi( goto nodelete; } } + + /* + * If it's the case where the directory code is running + * with no block reservation, and the deleted block is in + * the middle of its extent, and the resulting insert + * of an extent would cause transformation to btree format, + * then reject it. The calling code will then swap + * blocks around instead. + * We have to do this now, rather than waiting for the + * conversion to btree format, since the transaction + * will be dirty. + */ + if (!wasdel && tp->t_blk_res == 0 && + XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS && + XFS_IFORK_NEXTENTS(ip, whichfork) >= /* Note the >= */ + XFS_IFORK_MAXEXT(ip, whichfork) && + del.br_startoff > got.br_startoff && + del.br_startoff + del.br_blockcount < + got.br_startoff + got.br_blockcount) { + error = -ENOSPC; + goto error0; + } + + /* + * Unreserve quota and update realtime free space, if + * appropriate. If delayed allocation, update the inode delalloc + * counter now and wait to update the sb counters as + * xfs_bmap_del_extent() might need to borrow some blocks. + */ if (wasdel) { ASSERT(startblockval(del.br_startblock) > 0); - /* Update realtime/data freespace, unreserve quota */ if (isrt) { xfs_filblks_t rtexts; @@ -5301,8 +5387,6 @@ xfs_bunmapi( ip, -((long)del.br_blockcount), 0, XFS_QMOPT_RES_RTBLKS); } else { - xfs_mod_fdblocks(mp, (int64_t)del.br_blockcount, - false); (void)xfs_trans_reserve_quota_nblks(NULL, ip, -((long)del.br_blockcount), 0, XFS_QMOPT_RES_REGBLKS); @@ -5313,32 +5397,16 @@ xfs_bunmapi( XFS_BTCUR_BPRV_WASDEL; } else if (cur) cur->bc_private.b.flags &= ~XFS_BTCUR_BPRV_WASDEL; - /* - * If it's the case where the directory code is running - * with no block reservation, and the deleted block is in - * the middle of its extent, and the resulting insert - * of an extent would cause transformation to btree format, - * then reject it. The calling code will then swap - * blocks around instead. - * We have to do this now, rather than waiting for the - * conversion to btree format, since the transaction - * will be dirty. - */ - if (!wasdel && xfs_trans_get_block_res(tp) == 0 && - XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS && - XFS_IFORK_NEXTENTS(ip, whichfork) >= /* Note the >= */ - XFS_IFORK_MAXEXT(ip, whichfork) && - del.br_startoff > got.br_startoff && - del.br_startoff + del.br_blockcount < - got.br_startoff + got.br_blockcount) { - error = -ENOSPC; - goto error0; - } + error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del, &tmp_logflags, whichfork); logflags |= tmp_logflags; if (error) goto error0; + + if (!isrt && wasdel) + xfs_mod_fdblocks(mp, (int64_t)del.br_blockcount, false); + bno = del.br_startoff - 1; nodelete: /* diff --git a/libxfs/xfs_bmap_btree.c b/libxfs/xfs_bmap_btree.c index a63379b..022d4b6 100644 --- a/libxfs/xfs_bmap_btree.c +++ b/libxfs/xfs_bmap_btree.c @@ -458,7 +458,7 @@ xfs_bmbt_alloc_block( * reservation amount is insufficient then we may fail a * block allocation here and corrupt the filesystem. */ - args.minleft = xfs_trans_get_block_res(args.tp); + args.minleft = args.tp->t_blk_res; } else if (cur->bc_private.b.flist->xbf_low) { args.type = XFS_ALLOCTYPE_START_BNO; } else { @@ -467,7 +467,7 @@ xfs_bmbt_alloc_block( args.minlen = args.maxlen = args.prod = 1; args.wasdel = cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL; - if (!args.wasdel && xfs_trans_get_block_res(args.tp) == 0) { + if (!args.wasdel && args.tp->t_blk_res == 0) { error = -ENOSPC; goto error0; } diff --git a/libxfs/xfs_dir2_node.c b/libxfs/xfs_dir2_node.c index 04fecf1..b75b432 100644 --- a/libxfs/xfs_dir2_node.c +++ b/libxfs/xfs_dir2_node.c @@ -2232,6 +2232,9 @@ xfs_dir2_node_trim_free( dp = args->dp; tp = args->trans; + + *rvalp = 0; + /* * Read the freespace block. */ @@ -2252,7 +2255,6 @@ xfs_dir2_node_trim_free( */ if (freehdr.nused > 0) { xfs_trans_brelse(tp, bp); - *rvalp = 0; return 0; } /* diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 72e9ff7..4f0e4ee 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -2396,8 +2396,8 @@ xfs_ialloc_compute_maxlevels( maxleafents = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG; - minleafrecs = mp->m_alloc_mnr[0]; - minnoderecs = mp->m_alloc_mnr[1]; + minleafrecs = mp->m_inobt_mnr[0]; + minnoderecs = mp->m_inobt_mnr[1]; maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; for (level = 1; maxblocks > 1; level++) maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; From darrick.wong@oracle.com Thu Jun 16 20:31:26 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2E908803E for ; Thu, 16 Jun 2016 20:31:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E3DCB304062 for ; Thu, 16 Jun 2016 18:31:25 -0700 (PDT) X-ASG-Debug-ID: 1466127080-04cbb01fec69d00001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 3SoQa2kLRzGVS5e0 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1VJql001202 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:19 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VJoi019283 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:19 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VIRg022012; Fri, 17 Jun 2016 01:31:18 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:18 -0700 Subject: [PATCH 005/145] libxfs: backport kernel 4.7 changes From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 005/145] libxfs: backport kernel 4.7 changes To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:16 -0700 Message-ID: <146612707668.16048.8919087793316736149.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127080 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 37872 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Backport the changes from kernel 4.6 -> 4.7. Signed-off-by: Darrick J. Wong --- include/kmem.h | 2 - include/xfs_trans.h | 7 +-- libxfs/kmem.c | 2 - libxfs/libxfs_api_defs.h | 1 libxfs/trans.c | 63 ++++++++++++++++------------ libxfs/util.c | 5 +- libxfs/xfs_attr.c | 58 ++++++-------------------- libxfs/xfs_bmap.c | 22 ++++------ libxfs/xfs_dir2_sf.c | 9 +--- libxfs/xfs_inode_fork.c | 99 +++++++++++++++++++++++++++++--------------- libxfs/xfs_inode_fork.h | 1 libxfs/xfs_log_format.h | 5 ++ libxfs/xfs_sb.c | 8 +--- libxfs/xfs_shared.h | 102 +-------------------------------------------- libxlog/xfs_log_recover.c | 2 - mkfs/proto.c | 66 +++++++++++++++-------------- mkfs/xfs_mkfs.c | 5 +- repair/phase5.c | 13 ++++-- repair/phase6.c | 82 ++++++++++++++---------------------- repair/phase7.c | 4 -- 20 files changed, 224 insertions(+), 332 deletions(-) diff --git a/include/kmem.h b/include/kmem.h index 5484d32..65f0ade 100644 --- a/include/kmem.h +++ b/include/kmem.h @@ -49,6 +49,6 @@ kmem_free(void *ptr) { free(ptr); } -extern void *kmem_realloc(void *, size_t, size_t, int); +extern void *kmem_realloc(void *, size_t, int); #endif diff --git a/include/xfs_trans.h b/include/xfs_trans.h index d7ee1fd..a5e019d 100644 --- a/include/xfs_trans.h +++ b/include/xfs_trans.h @@ -71,7 +71,6 @@ typedef struct xfs_qoff_logitem { } xfs_qoff_logitem_t; typedef struct xfs_trans { - unsigned int t_type; /* transaction type */ unsigned int t_log_res; /* amt of log space resvd */ unsigned int t_log_count; /* count for perm log res */ struct xfs_mount *t_mountp; /* ptr to fs mount struct */ @@ -87,9 +86,9 @@ typedef struct xfs_trans { void xfs_trans_init(struct xfs_mount *); int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *); -xfs_trans_t *libxfs_trans_alloc(struct xfs_mount *, int); -int libxfs_trans_reserve(struct xfs_trans *, struct xfs_trans_res *, - uint, uint); +int libxfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp, + uint blocks, uint rtextents, uint flags, + struct xfs_trans **tpp); int libxfs_trans_commit(struct xfs_trans *); void libxfs_trans_cancel(struct xfs_trans *); struct xfs_buf *libxfs_trans_getsb(struct xfs_trans *, struct xfs_mount *, int); diff --git a/libxfs/kmem.c b/libxfs/kmem.c index 4f3cd7e..c8bcb50 100644 --- a/libxfs/kmem.c +++ b/libxfs/kmem.c @@ -70,7 +70,7 @@ kmem_zalloc(size_t size, int flags) } void * -kmem_realloc(void *ptr, size_t new_size, size_t old_size, int flags) +kmem_realloc(void *ptr, size_t new_size, int flags) { ptr = realloc(ptr, new_size); if (ptr == NULL) { diff --git a/libxfs/libxfs_api_defs.h b/libxfs/libxfs_api_defs.h index bb502e0..611a849 100644 --- a/libxfs/libxfs_api_defs.h +++ b/libxfs/libxfs_api_defs.h @@ -55,7 +55,6 @@ #define xfs_trans_read_buf_map libxfs_trans_read_buf_map #define xfs_trans_roll libxfs_trans_roll #define xfs_trans_get_buf_map libxfs_trans_get_buf_map -#define xfs_trans_reserve libxfs_trans_reserve #define xfs_trans_resv_calc libxfs_trans_resv_calc #define xfs_attr_get libxfs_attr_get diff --git a/libxfs/trans.c b/libxfs/trans.c index 18ea010..97a29b9 100644 --- a/libxfs/trans.c +++ b/libxfs/trans.c @@ -119,7 +119,6 @@ libxfs_trans_roll( */ tres.tr_logres = trans->t_log_res; tres.tr_logcount = trans->t_log_count; - *tpp = libxfs_trans_alloc(trans->t_mountp, trans->t_type); /* * Commit the current transaction. @@ -132,8 +131,6 @@ libxfs_trans_roll( if (error) return error; - trans = *tpp; - /* * Reserve space in the log for th next transaction. * This also pushes items in the "AIL", the list of logged items, @@ -143,7 +140,7 @@ libxfs_trans_roll( * the prior and the next transactions. */ tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; - error = xfs_trans_reserve(trans, &tres, 0, 0); + error = libxfs_trans_alloc(trans->t_mountp, &tres, 0, 0, 0, tpp); /* * Ensure that the inode is in the new transaction and locked. */ @@ -151,32 +148,11 @@ libxfs_trans_roll( return error; if (dp) - xfs_trans_ijoin(trans, dp, 0); + xfs_trans_ijoin(*tpp, dp, 0); return 0; } -xfs_trans_t * -libxfs_trans_alloc( - xfs_mount_t *mp, - int type) -{ - xfs_trans_t *ptr; - - if ((ptr = calloc(sizeof(xfs_trans_t), 1)) == NULL) { - fprintf(stderr, _("%s: xact calloc failed (%d bytes): %s\n"), - progname, (int)sizeof(xfs_trans_t), strerror(errno)); - exit(1); - } - ptr->t_mountp = mp; - ptr->t_type = type; - INIT_LIST_HEAD(&ptr->t_items); -#ifdef XACT_DEBUG - fprintf(stderr, "allocated new transaction %p\n", ptr); -#endif - return ptr; -} - -int +static int libxfs_trans_reserve( struct xfs_trans *tp, struct xfs_trans_res *resp, @@ -199,6 +175,39 @@ libxfs_trans_reserve( return 0; } +int +libxfs_trans_alloc( + struct xfs_mount *mp, + struct xfs_trans_res *resp, + uint blocks, + uint rtextents, + uint flags, + struct xfs_trans **tpp) +{ + struct xfs_trans *ptr; + int error; + + if ((ptr = calloc(sizeof(xfs_trans_t), 1)) == NULL) { + fprintf(stderr, _("%s: xact calloc failed (%d bytes): %s\n"), + progname, (int)sizeof(xfs_trans_t), strerror(errno)); + exit(1); + } + ptr->t_mountp = mp; + INIT_LIST_HEAD(&ptr->t_items); +#ifdef XACT_DEBUG + fprintf(stderr, "allocated new transaction %p\n", ptr); +#endif + + error = libxfs_trans_reserve(ptr, resp, blocks, rtextents); + if (error) { + libxfs_trans_cancel(ptr); + return error; + } + + *tpp = ptr; + return 0; +} + void libxfs_trans_cancel( xfs_trans_t *tp) diff --git a/libxfs/util.c b/libxfs/util.c index f3b9895..b992ad0 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -541,10 +541,9 @@ libxfs_alloc_file_space( while (allocatesize_fsb && !error) { datablocks = allocatesize_fsb; - tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT); resblks = (uint)XFS_DIOSTRAT_SPACE_RES(mp, datablocks); - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, - resblks, 0); + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, + resblks, 0, 0, &tp); /* * Check for running out of space */ diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c index 82a7c5e..0b05654 100644 --- a/libxfs/xfs_attr.c +++ b/libxfs/xfs_attr.c @@ -237,37 +237,21 @@ xfs_attr_set( return error; } - /* - * Start our first transaction of the day. - * - * All future transactions during this code must be "chained" off - * this one via the trans_dup() call. All transactions will contain - * the inode, and the inode will always be marked with trans_ihold(). - * Since the inode will be locked in all transactions, we must log - * the inode in every transaction to let it float upward through - * the log. - */ - args.trans = xfs_trans_alloc(mp, XFS_TRANS_ATTR_SET); + tres.tr_logres = M_RES(mp)->tr_attrsetm.tr_logres + + M_RES(mp)->tr_attrsetrt.tr_logres * args.total; + tres.tr_logcount = XFS_ATTRSET_LOG_COUNT; + tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; /* * Root fork attributes can use reserved data blocks for this * operation if necessary */ - - if (rsvd) - args.trans->t_flags |= XFS_TRANS_RESERVE; - - tres.tr_logres = M_RES(mp)->tr_attrsetm.tr_logres + - M_RES(mp)->tr_attrsetrt.tr_logres * args.total; - tres.tr_logcount = XFS_ATTRSET_LOG_COUNT; - tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; - error = xfs_trans_reserve(args.trans, &tres, args.total, 0); - if (error) { - xfs_trans_cancel(args.trans); + error = xfs_trans_alloc(mp, &tres, args.total, 0, + rsvd ? XFS_TRANS_RESERVE : 0, &args.trans); + if (error) return error; - } - xfs_ilock(dp, XFS_ILOCK_EXCL); + xfs_ilock(dp, XFS_ILOCK_EXCL); error = xfs_trans_reserve_quota_nblks(args.trans, dp, args.total, 0, rsvd ? XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_FORCE_RES : XFS_QMOPT_RES_REGBLKS); @@ -424,31 +408,15 @@ xfs_attr_remove( return error; /* - * Start our first transaction of the day. - * - * All future transactions during this code must be "chained" off - * this one via the trans_dup() call. All transactions will contain - * the inode, and the inode will always be marked with trans_ihold(). - * Since the inode will be locked in all transactions, we must log - * the inode in every transaction to let it float upward through - * the log. - */ - args.trans = xfs_trans_alloc(mp, XFS_TRANS_ATTR_RM); - - /* * Root fork attributes can use reserved data blocks for this * operation if necessary */ - - if (flags & ATTR_ROOT) - args.trans->t_flags |= XFS_TRANS_RESERVE; - - error = xfs_trans_reserve(args.trans, &M_RES(mp)->tr_attrrm, - XFS_ATTRRM_SPACE_RES(mp), 0); - if (error) { - xfs_trans_cancel(args.trans); + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_attrrm, + XFS_ATTRRM_SPACE_RES(mp), 0, + (flags & ATTR_ROOT) ? XFS_TRANS_RESERVE : 0, + &args.trans); + if (error) return error; - } xfs_ilock(dp, XFS_ILOCK_EXCL); /* diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index cbcfd72..c2a2c53 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -1113,15 +1113,14 @@ xfs_bmap_add_attrfork( mp = ip->i_mount; ASSERT(!XFS_NOT_DQATTACHED(mp, ip)); - tp = xfs_trans_alloc(mp, XFS_TRANS_ADDAFORK); + blks = XFS_ADDAFORK_SPACE_RES(mp); - if (rsvd) - tp->t_flags |= XFS_TRANS_RESERVE; - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_addafork, blks, 0); - if (error) { - xfs_trans_cancel(tp); + + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_addafork, blks, 0, + rsvd ? XFS_TRANS_RESERVE : 0, &tp); + if (error) return error; - } + xfs_ilock(ip, XFS_ILOCK_EXCL); error = xfs_trans_reserve_quota_nblks(tp, ip, blks, 0, rsvd ? XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_FORCE_RES : @@ -6018,13 +6017,10 @@ xfs_bmap_split_extent( xfs_fsblock_t firstfsb; int error; - tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT); - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_write, - XFS_DIOSTRAT_SPACE_RES(mp, 0), 0); - if (error) { - xfs_trans_cancel(tp); + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, + XFS_DIOSTRAT_SPACE_RES(mp, 0), 0, 0, &tp); + if (error) return error; - } xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); diff --git a/libxfs/xfs_dir2_sf.c b/libxfs/xfs_dir2_sf.c index e4b505b..90b07f7 100644 --- a/libxfs/xfs_dir2_sf.c +++ b/libxfs/xfs_dir2_sf.c @@ -255,15 +255,12 @@ xfs_dir2_block_to_sf( * * Convert the inode to local format and copy the data in. */ - dp->i_df.if_flags &= ~XFS_IFEXTENTS; - dp->i_df.if_flags |= XFS_IFINLINE; - dp->i_d.di_format = XFS_DINODE_FMT_LOCAL; ASSERT(dp->i_df.if_bytes == 0); - xfs_idata_realloc(dp, size, XFS_DATA_FORK); + xfs_init_local_fork(dp, XFS_DATA_FORK, dst, size); + dp->i_d.di_format = XFS_DINODE_FMT_LOCAL; + dp->i_d.di_size = size; logflags |= XFS_ILOG_DDATA; - memcpy(dp->i_df.if_u1.if_data, dst, size); - dp->i_d.di_size = size; xfs_dir2_sf_check(args); out: xfs_trans_log_inode(args->trans, dp, logflags); diff --git a/libxfs/xfs_inode_fork.c b/libxfs/xfs_inode_fork.c index 2af1dba..799873a 100644 --- a/libxfs/xfs_inode_fork.c +++ b/libxfs/xfs_inode_fork.c @@ -227,6 +227,48 @@ xfs_iformat_fork( return error; } +void +xfs_init_local_fork( + struct xfs_inode *ip, + int whichfork, + const void *data, + int size) +{ + struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); + int mem_size = size, real_size = 0; + bool zero_terminate; + + /* + * If we are using the local fork to store a symlink body we need to + * zero-terminate it so that we can pass it back to the VFS directly. + * Overallocate the in-memory fork by one for that and add a zero + * to terminate it below. + */ + zero_terminate = S_ISLNK(VFS_I(ip)->i_mode); + if (zero_terminate) + mem_size++; + + if (size == 0) + ifp->if_u1.if_data = NULL; + else if (mem_size <= sizeof(ifp->if_u2.if_inline_data)) + ifp->if_u1.if_data = ifp->if_u2.if_inline_data; + else { + real_size = roundup(mem_size, 4); + ifp->if_u1.if_data = kmem_alloc(real_size, KM_SLEEP | KM_NOFS); + } + + if (size) { + memcpy(ifp->if_u1.if_data, data, size); + if (zero_terminate) + ifp->if_u1.if_data[size] = '\0'; + } + + ifp->if_bytes = size; + ifp->if_real_bytes = real_size; + ifp->if_flags &= ~(XFS_IFEXTENTS | XFS_IFBROOT); + ifp->if_flags |= XFS_IFINLINE; +} + /* * The file is in-lined in the on-disk inode. * If it fits into if_inline_data, then copy @@ -244,8 +286,6 @@ xfs_iformat_local( int whichfork, int size) { - xfs_ifork_t *ifp; - int real_size; /* * If the size is unreasonable, then something @@ -261,22 +301,8 @@ xfs_iformat_local( ip->i_mount, dip); return -EFSCORRUPTED; } - ifp = XFS_IFORK_PTR(ip, whichfork); - real_size = 0; - if (size == 0) - ifp->if_u1.if_data = NULL; - else if (size <= sizeof(ifp->if_u2.if_inline_data)) - ifp->if_u1.if_data = ifp->if_u2.if_inline_data; - else { - real_size = roundup(size, 4); - ifp->if_u1.if_data = kmem_alloc(real_size, KM_SLEEP | KM_NOFS); - } - ifp->if_bytes = size; - ifp->if_real_bytes = real_size; - if (size) - memcpy(ifp->if_u1.if_data, XFS_DFORK_PTR(dip, whichfork), size); - ifp->if_flags &= ~XFS_IFEXTENTS; - ifp->if_flags |= XFS_IFINLINE; + + xfs_init_local_fork(ip, whichfork, XFS_DFORK_PTR(dip, whichfork), size); return 0; } @@ -512,7 +538,6 @@ xfs_iroot_realloc( new_max = cur_max + rec_diff; new_size = XFS_BMAP_BROOT_SPACE_CALC(mp, new_max); ifp->if_broot = kmem_realloc(ifp->if_broot, new_size, - XFS_BMAP_BROOT_SPACE_CALC(mp, cur_max), KM_SLEEP | KM_NOFS); op = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1, ifp->if_broot_bytes); @@ -656,7 +681,6 @@ xfs_idata_realloc( ifp->if_u1.if_data = kmem_realloc(ifp->if_u1.if_data, real_size, - ifp->if_real_bytes, KM_SLEEP | KM_NOFS); } } else { @@ -1372,8 +1396,7 @@ xfs_iext_realloc_direct( if (rnew_size != ifp->if_real_bytes) { ifp->if_u1.if_extents = kmem_realloc(ifp->if_u1.if_extents, - rnew_size, - ifp->if_real_bytes, KM_NOFS); + rnew_size, KM_NOFS); } if (rnew_size > ifp->if_real_bytes) { memset(&ifp->if_u1.if_extents[ifp->if_bytes / @@ -1457,9 +1480,8 @@ xfs_iext_realloc_indirect( if (new_size == 0) { xfs_iext_destroy(ifp); } else { - ifp->if_u1.if_ext_irec = (xfs_ext_irec_t *) - kmem_realloc(ifp->if_u1.if_ext_irec, - new_size, size, KM_NOFS); + ifp->if_u1.if_ext_irec = + kmem_realloc(ifp->if_u1.if_ext_irec, new_size, KM_NOFS); } } @@ -1493,6 +1515,24 @@ xfs_iext_indirect_to_direct( } /* + * Remove all records from the indirection array. + */ +STATIC void +xfs_iext_irec_remove_all( + struct xfs_ifork *ifp) +{ + int nlists; + int i; + + ASSERT(ifp->if_flags & XFS_IFEXTIREC); + nlists = ifp->if_real_bytes / XFS_IEXT_BUFSZ; + for (i = 0; i < nlists; i++) + kmem_free(ifp->if_u1.if_ext_irec[i].er_extbuf); + kmem_free(ifp->if_u1.if_ext_irec); + ifp->if_flags &= ~XFS_IFEXTIREC; +} + +/* * Free incore file extents. */ void @@ -1500,14 +1540,7 @@ xfs_iext_destroy( xfs_ifork_t *ifp) /* inode fork pointer */ { if (ifp->if_flags & XFS_IFEXTIREC) { - int erp_idx; - int nlists; - - nlists = ifp->if_real_bytes / XFS_IEXT_BUFSZ; - for (erp_idx = nlists - 1; erp_idx >= 0 ; erp_idx--) { - xfs_iext_irec_remove(ifp, erp_idx); - } - ifp->if_flags &= ~XFS_IFEXTIREC; + xfs_iext_irec_remove_all(ifp); } else if (ifp->if_real_bytes) { kmem_free(ifp->if_u1.if_extents); } else if (ifp->if_bytes) { diff --git a/libxfs/xfs_inode_fork.h b/libxfs/xfs_inode_fork.h index 7d3b1ed..f95e072 100644 --- a/libxfs/xfs_inode_fork.h +++ b/libxfs/xfs_inode_fork.h @@ -134,6 +134,7 @@ void xfs_iroot_realloc(struct xfs_inode *, int, int); int xfs_iread_extents(struct xfs_trans *, struct xfs_inode *, int); int xfs_iextents_copy(struct xfs_inode *, struct xfs_bmbt_rec *, int); +void xfs_init_local_fork(struct xfs_inode *, int, const void *, int); struct xfs_bmbt_rec_host * xfs_iext_get_ext(struct xfs_ifork *, xfs_extnum_t); diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h index 40005bf..e5baba3 100644 --- a/libxfs/xfs_log_format.h +++ b/libxfs/xfs_log_format.h @@ -212,6 +212,11 @@ typedef struct xfs_trans_header { #define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */ /* + * The only type valid for th_type in CIL-enabled file system logs: + */ +#define XFS_TRANS_CHECKPOINT 40 + +/* * Log item types. */ #define XFS_LI_EFI 0x1236 diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c index 67c7a65..e2cc83e 100644 --- a/libxfs/xfs_sb.c +++ b/libxfs/xfs_sb.c @@ -839,12 +839,10 @@ xfs_sync_sb( struct xfs_trans *tp; int error; - tp = _xfs_trans_alloc(mp, XFS_TRANS_SB_CHANGE, KM_SLEEP); - error = xfs_trans_reserve(tp, &M_RES(mp)->tr_sb, 0, 0); - if (error) { - xfs_trans_cancel(tp); + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_sb, 0, 0, + XFS_TRANS_NO_WRITECOUNT, &tp); + if (error) return error; - } xfs_log_sb(tp); if (wait) diff --git a/libxfs/xfs_shared.h b/libxfs/xfs_shared.h index 81ac870..16002b5 100644 --- a/libxfs/xfs_shared.h +++ b/libxfs/xfs_shared.h @@ -56,103 +56,6 @@ extern const struct xfs_buf_ops xfs_symlink_buf_ops; extern const struct xfs_buf_ops xfs_rtbuf_ops; /* - * Transaction types. Used to distinguish types of buffers. These never reach - * the log. - */ -#define XFS_TRANS_SETATTR_NOT_SIZE 1 -#define XFS_TRANS_SETATTR_SIZE 2 -#define XFS_TRANS_INACTIVE 3 -#define XFS_TRANS_CREATE 4 -#define XFS_TRANS_CREATE_TRUNC 5 -#define XFS_TRANS_TRUNCATE_FILE 6 -#define XFS_TRANS_REMOVE 7 -#define XFS_TRANS_LINK 8 -#define XFS_TRANS_RENAME 9 -#define XFS_TRANS_MKDIR 10 -#define XFS_TRANS_RMDIR 11 -#define XFS_TRANS_SYMLINK 12 -#define XFS_TRANS_SET_DMATTRS 13 -#define XFS_TRANS_GROWFS 14 -#define XFS_TRANS_STRAT_WRITE 15 -#define XFS_TRANS_DIOSTRAT 16 -/* 17 was XFS_TRANS_WRITE_SYNC */ -#define XFS_TRANS_WRITEID 18 -#define XFS_TRANS_ADDAFORK 19 -#define XFS_TRANS_ATTRINVAL 20 -#define XFS_TRANS_ATRUNCATE 21 -#define XFS_TRANS_ATTR_SET 22 -#define XFS_TRANS_ATTR_RM 23 -#define XFS_TRANS_ATTR_FLAG 24 -#define XFS_TRANS_CLEAR_AGI_BUCKET 25 -#define XFS_TRANS_SB_CHANGE 26 -/* - * Dummy entries since we use the transaction type to index into the - * trans_type[] in xlog_recover_print_trans_head() - */ -#define XFS_TRANS_DUMMY1 27 -#define XFS_TRANS_DUMMY2 28 -#define XFS_TRANS_QM_QUOTAOFF 29 -#define XFS_TRANS_QM_DQALLOC 30 -#define XFS_TRANS_QM_SETQLIM 31 -#define XFS_TRANS_QM_DQCLUSTER 32 -#define XFS_TRANS_QM_QINOCREATE 33 -#define XFS_TRANS_QM_QUOTAOFF_END 34 -#define XFS_TRANS_FSYNC_TS 35 -#define XFS_TRANS_GROWFSRT_ALLOC 36 -#define XFS_TRANS_GROWFSRT_ZERO 37 -#define XFS_TRANS_GROWFSRT_FREE 38 -#define XFS_TRANS_SWAPEXT 39 -#define XFS_TRANS_CHECKPOINT 40 -#define XFS_TRANS_ICREATE 41 -#define XFS_TRANS_CREATE_TMPFILE 42 -#define XFS_TRANS_TYPE_MAX 43 -/* new transaction types need to be reflected in xfs_logprint(8) */ - -#define XFS_TRANS_TYPES \ - { XFS_TRANS_SETATTR_NOT_SIZE, "SETATTR_NOT_SIZE" }, \ - { XFS_TRANS_SETATTR_SIZE, "SETATTR_SIZE" }, \ - { XFS_TRANS_INACTIVE, "INACTIVE" }, \ - { XFS_TRANS_CREATE, "CREATE" }, \ - { XFS_TRANS_CREATE_TRUNC, "CREATE_TRUNC" }, \ - { XFS_TRANS_TRUNCATE_FILE, "TRUNCATE_FILE" }, \ - { XFS_TRANS_REMOVE, "REMOVE" }, \ - { XFS_TRANS_LINK, "LINK" }, \ - { XFS_TRANS_RENAME, "RENAME" }, \ - { XFS_TRANS_MKDIR, "MKDIR" }, \ - { XFS_TRANS_RMDIR, "RMDIR" }, \ - { XFS_TRANS_SYMLINK, "SYMLINK" }, \ - { XFS_TRANS_SET_DMATTRS, "SET_DMATTRS" }, \ - { XFS_TRANS_GROWFS, "GROWFS" }, \ - { XFS_TRANS_STRAT_WRITE, "STRAT_WRITE" }, \ - { XFS_TRANS_DIOSTRAT, "DIOSTRAT" }, \ - { XFS_TRANS_WRITEID, "WRITEID" }, \ - { XFS_TRANS_ADDAFORK, "ADDAFORK" }, \ - { XFS_TRANS_ATTRINVAL, "ATTRINVAL" }, \ - { XFS_TRANS_ATRUNCATE, "ATRUNCATE" }, \ - { XFS_TRANS_ATTR_SET, "ATTR_SET" }, \ - { XFS_TRANS_ATTR_RM, "ATTR_RM" }, \ - { XFS_TRANS_ATTR_FLAG, "ATTR_FLAG" }, \ - { XFS_TRANS_CLEAR_AGI_BUCKET, "CLEAR_AGI_BUCKET" }, \ - { XFS_TRANS_SB_CHANGE, "SBCHANGE" }, \ - { XFS_TRANS_DUMMY1, "DUMMY1" }, \ - { XFS_TRANS_DUMMY2, "DUMMY2" }, \ - { XFS_TRANS_QM_QUOTAOFF, "QM_QUOTAOFF" }, \ - { XFS_TRANS_QM_DQALLOC, "QM_DQALLOC" }, \ - { XFS_TRANS_QM_SETQLIM, "QM_SETQLIM" }, \ - { XFS_TRANS_QM_DQCLUSTER, "QM_DQCLUSTER" }, \ - { XFS_TRANS_QM_QINOCREATE, "QM_QINOCREATE" }, \ - { XFS_TRANS_QM_QUOTAOFF_END, "QM_QOFF_END" }, \ - { XFS_TRANS_FSYNC_TS, "FSYNC_TS" }, \ - { XFS_TRANS_GROWFSRT_ALLOC, "GROWFSRT_ALLOC" }, \ - { XFS_TRANS_GROWFSRT_ZERO, "GROWFSRT_ZERO" }, \ - { XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \ - { XFS_TRANS_SWAPEXT, "SWAPEXT" }, \ - { XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \ - { XFS_TRANS_ICREATE, "ICREATE" }, \ - { XFS_TRANS_CREATE_TMPFILE, "CREATE_TMPFILE" }, \ - { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" } - -/* * This structure is used to track log items associated with * a transaction. It points to the log item and keeps some * flags to track the state of the log item. It also tracks @@ -181,8 +84,9 @@ int xfs_log_calc_minimum_size(struct xfs_mount *); #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */ #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */ #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */ -#define XFS_TRANS_FREEZE_PROT 0x40 /* Transaction has elevated writer - count in superblock */ +#define XFS_TRANS_NO_WRITECOUNT 0x40 /* do not elevate SB writecount */ +#define XFS_TRANS_NOFS 0x80 /* pass KM_NOFS to kmem_alloc */ + /* * Field values for xfs_trans_mod_sb. */ diff --git a/libxlog/xfs_log_recover.c b/libxlog/xfs_log_recover.c index 6116ecd..6cd77d5 100644 --- a/libxlog/xfs_log_recover.c +++ b/libxlog/xfs_log_recover.c @@ -1062,7 +1062,7 @@ xlog_recover_add_to_cont_trans( old_ptr = item->ri_buf[item->ri_cnt-1].i_addr; old_len = item->ri_buf[item->ri_cnt-1].i_len; - ptr = kmem_realloc(old_ptr, len+old_len, old_len, KM_SLEEP); + ptr = kmem_realloc(old_ptr, len+old_len, KM_SLEEP); memcpy(&ptr[old_len], dp, len); /* d, s, l */ item->ri_buf[item->ri_cnt-1].i_len += len; item->ri_buf[item->ri_cnt-1].i_addr = ptr; diff --git a/mkfs/proto.c b/mkfs/proto.c index 09a9439..edbaa33 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -25,7 +25,7 @@ */ static char *getstr(char **pp); static void fail(char *msg, int i); -static void getres(xfs_trans_t *tp, uint blocks); +static void getres(struct xfs_mount *mp, uint blocks, struct xfs_trans **tpp); static void rsvfile(xfs_mount_t *mp, xfs_inode_t *ip, long long len); static int newfile(xfs_trans_t *tp, xfs_inode_t *ip, xfs_bmap_free_t *flist, xfs_fsblock_t *first, int dolocal, int logit, char *buf, int len); @@ -127,22 +127,23 @@ res_failed( static void getres( - xfs_trans_t *tp, - uint blocks) + struct xfs_mount *mp, + uint blocks, + struct xfs_trans **tpp) { - int i; - xfs_mount_t *mp; - uint r; - - mp = tp->t_mountp; - for (i = 0, r = MKFS_BLOCKRES(blocks); r >= blocks; r--) { - struct xfs_trans_res tres = {0}; - - i = -libxfs_trans_reserve(tp, &tres, r, 0); - if (i == 0) + struct xfs_trans *tp; + uint r; + int error = -ENOSPC; + + for (r = MKFS_BLOCKRES(blocks); r >= blocks; r--) { + error = libxfs_trans_alloc(mp, NULL, r, 0, 0, &tp); + if (!error) { + *tpp = tp; return; + } } - res_failed(i); + + res_failed(error); /* NOTREACHED */ } @@ -203,7 +204,11 @@ rsvfile( /* * update the inode timestamp, mode, and prealloc flag bits */ - tp = libxfs_trans_alloc(mp, 0); + error = -libxfs_trans_alloc(mp, NULL, 0, 0, 0, &tp); + if (error) { + fail(_("error reserving space for a file"), error); + exit(1); + } libxfs_trans_ijoin(tp, ip, 0); @@ -454,13 +459,12 @@ parseproto( xname.name = (unsigned char *)name; xname.len = name ? strlen(name) : 0; xname.type = 0; - tp = libxfs_trans_alloc(mp, 0); flags = XFS_ILOG_CORE; xfs_bmap_init(&flist, &first); switch (fmt) { case IF_REGULAR: buf = newregfile(pp, &len); - getres(tp, XFS_B_TO_FSB(mp, len)); + getres(mp, XFS_B_TO_FSB(mp, len), &tp); error = -libxfs_inode_alloc(&tp, pip, mode|S_IFREG, 1, 0, &creds, fsxp, &ip); if (error) @@ -483,7 +487,7 @@ parseproto( progname, value, name); exit(1); } - getres(tp, XFS_B_TO_FSB(mp, llen)); + getres(mp, XFS_B_TO_FSB(mp, llen), &tp); error = -libxfs_inode_alloc(&tp, pip, mode|S_IFREG, 1, 0, &creds, fsxp, &ip); @@ -505,7 +509,7 @@ parseproto( return; case IF_BLOCK: - getres(tp, 0); + getres(mp, 0, &tp); majdev = getnum(getstr(pp), 0, 0, false); mindev = getnum(getstr(pp), 0, 0, false); error = -libxfs_inode_alloc(&tp, pip, mode|S_IFBLK, 1, @@ -520,7 +524,7 @@ parseproto( break; case IF_CHAR: - getres(tp, 0); + getres(mp, 0, &tp); majdev = getnum(getstr(pp), 0, 0, false); mindev = getnum(getstr(pp), 0, 0, false); error = -libxfs_inode_alloc(&tp, pip, mode|S_IFCHR, 1, @@ -534,7 +538,7 @@ parseproto( break; case IF_FIFO: - getres(tp, 0); + getres(mp, 0, &tp); error = -libxfs_inode_alloc(&tp, pip, mode|S_IFIFO, 1, 0, &creds, fsxp, &ip); if (error) @@ -546,7 +550,7 @@ parseproto( case IF_SYMLINK: buf = getstr(pp); len = (int)strlen(buf); - getres(tp, XFS_B_TO_FSB(mp, len)); + getres(mp, XFS_B_TO_FSB(mp, len), &tp); error = -libxfs_inode_alloc(&tp, pip, mode|S_IFLNK, 1, 0, &creds, fsxp, &ip); if (error) @@ -557,7 +561,7 @@ parseproto( newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); break; case IF_DIRECTORY: - getres(tp, 0); + getres(mp, 0, &tp); error = -libxfs_inode_alloc(&tp, pip, mode|S_IFDIR, 1, 0, &creds, fsxp, &ip); if (error) @@ -649,8 +653,7 @@ rtinit( /* * First, allocate the inodes. */ - tp = libxfs_trans_alloc(mp, 0); - i = -libxfs_trans_reserve(tp, &tres, MKFS_BLOCKRES_INODE, 0); + i = -libxfs_trans_alloc(mp, &tres, MKFS_BLOCKRES_INODE, 0, 0, &tp); if (i) res_failed(i); @@ -687,9 +690,8 @@ rtinit( /* * Next, give the bitmap file some zero-filled blocks. */ - tp = libxfs_trans_alloc(mp, 0); - i = -libxfs_trans_reserve(tp, &tres, mp->m_sb.sb_rbmblocks + - (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), 0); + i = -libxfs_trans_alloc(mp, &tres, mp->m_sb.sb_rbmblocks + + (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), 0, 0, &tp); if (i) res_failed(i); @@ -723,10 +725,9 @@ rtinit( /* * Give the summary file some zero-filled blocks. */ - tp = libxfs_trans_alloc(mp, 0); nsumblocks = mp->m_rsumsize >> mp->m_sb.sb_blocklog; - i = -libxfs_trans_reserve(tp, &tres, nsumblocks + - (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), 0); + i = -libxfs_trans_alloc(mp, &tres, nsumblocks + + (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), 0, 0, &tp); if (i) res_failed(i); libxfs_trans_ijoin(tp, rsumip, 0); @@ -760,8 +761,7 @@ rtinit( * Do one transaction per bitmap block. */ for (bno = 0; bno < mp->m_sb.sb_rextents; bno = ebno) { - tp = libxfs_trans_alloc(mp, 0); - i = -libxfs_trans_reserve(tp, &tres, 0, 0); + i = -libxfs_trans_alloc(mp, &tres, 0, 0, 0, &tp); if (i) res_failed(i); libxfs_trans_ijoin(tp, rbmip, 0); diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 955dcfd..de00c8e 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -3451,14 +3451,15 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), struct xfs_trans_res tres = {0}; memset(&args, 0, sizeof(args)); - args.tp = tp = libxfs_trans_alloc(mp, 0); + args.mp = mp; args.agno = agno; args.alignment = 1; args.pag = xfs_perag_get(mp,agno); - c = -libxfs_trans_reserve(tp, &tres, worst_freelist, 0); + c = -libxfs_trans_alloc(mp, &tres, worst_freelist, 0, 0, &tp); if (c) res_failed(c); + args.tp = tp; libxfs_alloc_fix_freelist(&args, 0); xfs_perag_put(args.pag); diff --git a/repair/phase5.c b/repair/phase5.c index 5d48848..b58111b 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -1505,14 +1505,19 @@ build_agf_agfl(xfs_mount_t *mp, int error; memset(&args, 0, sizeof(args)); - args.tp = tp = libxfs_trans_alloc(mp, 0); args.mp = mp; args.agno = agno; args.alignment = 1; args.pag = xfs_perag_get(mp,agno); - libxfs_trans_reserve(tp, &tres, - xfs_alloc_min_freelist(mp, args.pag), 0); - error = libxfs_alloc_fix_freelist(&args, 0); + error = -libxfs_trans_alloc(mp, &tres, + xfs_alloc_min_freelist(mp, args.pag), + 0, 0, &tp); + if (error) { + do_error(_("failed to fix AGFL on AG %d, error %d\n"), + agno, error); + } + args.tp = tp; + error = -libxfs_alloc_fix_freelist(&args, 0); xfs_perag_put(args.pag); if (error) { do_error(_("failed to fix AGFL on AG %d, error %d\n"), diff --git a/repair/phase6.c b/repair/phase6.c index 7353c3a..d1acb68 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -494,9 +494,7 @@ mk_rbmino(xfs_mount_t *mp) /* * first set up inode */ - tp = libxfs_trans_alloc(mp, 0); - - i = -libxfs_trans_reserve(tp, &tres, 10, 0); + i = -libxfs_trans_alloc(mp, &tres, 10, 0, 0, &tp); if (i) res_failed(i); @@ -544,9 +542,9 @@ mk_rbmino(xfs_mount_t *mp) * then allocate blocks for file and fill with zeroes (stolen * from mkfs) */ - tp = libxfs_trans_alloc(mp, 0); - error = -libxfs_trans_reserve(tp, &tres, mp->m_sb.sb_rbmblocks + - (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), 0); + error = -libxfs_trans_alloc(mp, &tres, mp->m_sb.sb_rbmblocks + + (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), + 0, 0, &tp); if (error) res_failed(error); @@ -598,9 +596,7 @@ fill_rbmino(xfs_mount_t *mp) bmp = btmcompute; bno = 0; - tp = libxfs_trans_alloc(mp, 0); - - error = -libxfs_trans_reserve(tp, &tres, 10, 0); + error = -libxfs_trans_alloc(mp, &tres, 10, 0, 0, &tp); if (error) res_failed(error); @@ -671,9 +667,7 @@ fill_rsumino(xfs_mount_t *mp) bno = 0; end_bno = mp->m_rsumsize >> mp->m_sb.sb_blocklog; - tp = libxfs_trans_alloc(mp, 0); - - error = -libxfs_trans_reserve(tp, &tres, 10, 0); + error = -libxfs_trans_alloc(mp, &tres, 10, 0, 0, &tp); if (error) res_failed(error); @@ -747,9 +741,7 @@ mk_rsumino(xfs_mount_t *mp) /* * first set up inode */ - tp = libxfs_trans_alloc(mp, 0); - - i = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 10, 0); + i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 10, 0, 0, &tp); if (i) res_failed(i); @@ -797,15 +789,15 @@ mk_rsumino(xfs_mount_t *mp) * then allocate blocks for file and fill with zeroes (stolen * from mkfs) */ - tp = libxfs_trans_alloc(mp, 0); xfs_bmap_init(&flist, &first); nsumblocks = mp->m_rsumsize >> mp->m_sb.sb_blocklog; tres.tr_logres = BBTOB(128); tres.tr_logcount = XFS_DEFAULT_PERM_LOG_COUNT; tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; - error = -libxfs_trans_reserve(tp, &tres, mp->m_sb.sb_rbmblocks + - (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), 0); + error = -libxfs_trans_alloc(mp, &tres, mp->m_sb.sb_rbmblocks + + (XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) - 1), + 0, 0, &tp); if (error) res_failed(error); @@ -854,10 +846,9 @@ mk_root_dir(xfs_mount_t *mp) int vers; int times; - tp = libxfs_trans_alloc(mp, 0); ip = NULL; - i = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 10, 0); + i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 10, 0, 0, &tp); if (i) res_failed(i); @@ -954,11 +945,10 @@ mk_orphanage(xfs_mount_t *mp) * could not be found, create it */ - tp = libxfs_trans_alloc(mp, 0); xfs_bmap_init(&flist, &first); nres = XFS_MKDIR_SPACE_RES(mp, xname.len); - i = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_mkdir, nres, 0); + i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, nres, 0, 0, &tp); if (i) res_failed(i); @@ -1092,8 +1082,6 @@ mv_orphanage( xname.len = snprintf((char *)fname, sizeof(fname), "%llu.%d", (unsigned long long)ino, ++incr); - tp = libxfs_trans_alloc(mp, 0); - if ((err = -libxfs_iget(mp, NULL, ino, 0, &ino_p, 0))) do_error(_("%d - couldn't iget disconnected inode\n"), err); @@ -1112,8 +1100,8 @@ mv_orphanage( if (err) { ASSERT(err == ENOENT); - err = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_rename, - nres, 0); + err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_rename, + nres, 0, 0, &tp); if (err) do_error( _("space reservation failed (%d), filesystem may be out of space\n"), @@ -1154,8 +1142,8 @@ mv_orphanage( libxfs_trans_commit(tp); } else { - err = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_rename, - nres, 0); + err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_rename, + nres, 0, 0, &tp); if (err) do_error( _("space reservation failed (%d), filesystem may be out of space\n"), @@ -1210,8 +1198,8 @@ mv_orphanage( * also accounted for in the create */ nres = XFS_DIRENTER_SPACE_RES(mp, xname.len); - err = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, - nres, 0); + err = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, + nres, 0, 0, &tp); if (err) do_error( _("space reservation failed (%d), filesystem may be out of space\n"), @@ -1306,9 +1294,8 @@ longform_dir2_rebuild( xfs_bmap_init(&flist, &firstblock); - tp = libxfs_trans_alloc(mp, 0); nres = XFS_REMOVE_SPACE_RES(mp); - error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, nres, 0); + error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); if (error) res_failed(error); libxfs_trans_ijoin(tp, ip, 0); @@ -1349,10 +1336,9 @@ longform_dir2_rebuild( p->name.name[1] == '.')))) continue; - tp = libxfs_trans_alloc(mp, 0); nres = XFS_CREATE_SPACE_RES(mp, p->name.len); - error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_create, - nres, 0); + error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_create, + nres, 0, 0, &tp); if (error) res_failed(error); @@ -1406,9 +1392,8 @@ dir2_kill_block( int nres; xfs_trans_t *tp; - tp = libxfs_trans_alloc(mp, 0); nres = XFS_REMOVE_SPACE_RES(mp); - error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, nres, 0); + error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); if (error) res_failed(error); libxfs_trans_ijoin(tp, ip, 0); @@ -1598,8 +1583,7 @@ longform_dir2_entry_check_data( if (freetab->nents < db + 1) freetab->nents = db + 1; - tp = libxfs_trans_alloc(mp, 0); - error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, 0, 0); + error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, 0, 0, 0, &tp); if (error) res_failed(error); da.trans = tp; @@ -2902,7 +2886,6 @@ process_dir_inode( break; case XFS_DINODE_FMT_LOCAL: - tp = libxfs_trans_alloc(mp, 0); /* * using the remove reservation is overkill * since at most we'll only need to log the @@ -2910,8 +2893,8 @@ process_dir_inode( * new define in ourselves. */ nres = no_modify ? 0 : XFS_REMOVE_SPACE_RES(mp); - error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, - nres, 0); + error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, + nres, 0, 0, &tp); if (error) res_failed(error); @@ -2951,13 +2934,12 @@ process_dir_inode( do_warn(_("recreating root directory .. entry\n")); - tp = libxfs_trans_alloc(mp, 0); - ASSERT(tp != NULL); - nres = XFS_MKDIR_SPACE_RES(mp, 2); - error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_mkdir, nres, 0); + error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, + nres, 0, 0, &tp); if (error) res_failed(error); + ASSERT(tp != NULL); libxfs_trans_ijoin(tp, ip, 0); @@ -3010,14 +2992,12 @@ process_dir_inode( do_warn( _("creating missing \".\" entry in dir ino %" PRIu64 "\n"), ino); - tp = libxfs_trans_alloc(mp, 0); - ASSERT(tp != NULL); - nres = XFS_MKDIR_SPACE_RES(mp, 1); - error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_mkdir, - nres, 0); + error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, + nres, 0, 0, &tp); if (error) res_failed(error); + ASSERT(tp != NULL); libxfs_trans_ijoin(tp, ip, 0); diff --git a/repair/phase7.c b/repair/phase7.c index 3e234b9..8bce117 100644 --- a/repair/phase7.c +++ b/repair/phase7.c @@ -40,10 +40,8 @@ update_inode_nlinks( int dirty; int nres; - tp = libxfs_trans_alloc(mp, XFS_TRANS_REMOVE); - nres = no_modify ? 0 : 10; - error = -libxfs_trans_reserve(tp, &M_RES(mp)->tr_remove, nres, 0); + error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); ASSERT(error == 0); error = -libxfs_trans_iget(mp, tp, ino, 0, 0, &ip); From darrick.wong@oracle.com Thu Jun 16 20:31:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 79F0E8048 for ; Thu, 16 Jun 2016 20:31:32 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3A8038F804C for ; Thu, 16 Jun 2016 18:31:32 -0700 (PDT) X-ASG-Debug-ID: 1466127090-04bdf01e1595f20001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id wp3KBSWNgTA0c4Wy (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1VR2S001248 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:27 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VP0m030656 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:27 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VOUM026630; Fri, 17 Jun 2016 01:31:25 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:24 -0700 Subject: [PATCH 006/145] xfs: make several functions static From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 006/145] xfs: make several functions static To: david@fromorbit.com, darrick.wong@oracle.com Cc: Eric Sandeen , Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:23 -0700 Message-ID: <146612708305.16048.5855007801575308944.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127090 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3222 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Eric Sandeen Al Viro noticed that xfs_lock_inodes should be static, and that led to ... a few more. These are just the easy ones, others require moving functions higher in source files, so that's not done here to keep this review simple. Signed-off-by: Eric Sandeen Reviewed-by: Christoph Hellwig Signed-off-by: Dave Chinner --- libxfs/xfs_alloc.c | 2 +- libxfs/xfs_alloc.h | 7 ------- libxfs/xfs_attr_leaf.h | 3 --- libxfs/xfs_rtbitmap.c | 2 +- 4 files changed, 2 insertions(+), 12 deletions(-) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 28b3fb9..8520f31 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -80,7 +80,7 @@ xfs_alloc_lookup_ge( * Lookup the first record less than or equal to [bno, len] * in the btree given by cur. */ -int /* error */ +static int /* error */ xfs_alloc_lookup_le( struct xfs_btree_cur *cur, /* btree cursor */ xfs_agblock_t bno, /* starting block of extent */ diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index 135eb3d..92a66ba 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -212,13 +212,6 @@ xfs_free_extent( xfs_fsblock_t bno, /* starting block number of extent */ xfs_extlen_t len); /* length of extent */ -int /* error */ -xfs_alloc_lookup_le( - struct xfs_btree_cur *cur, /* btree cursor */ - xfs_agblock_t bno, /* starting block of extent */ - xfs_extlen_t len, /* length of extent */ - int *stat); /* success/failure */ - int /* error */ xfs_alloc_lookup_ge( struct xfs_btree_cur *cur, /* btree cursor */ diff --git a/libxfs/xfs_attr_leaf.h b/libxfs/xfs_attr_leaf.h index 9d7e741..8ef420a 100644 --- a/libxfs/xfs_attr_leaf.h +++ b/libxfs/xfs_attr_leaf.h @@ -50,7 +50,6 @@ int xfs_attr_shortform_lookup(struct xfs_da_args *args); int xfs_attr_shortform_getvalue(struct xfs_da_args *args); int xfs_attr_shortform_to_leaf(struct xfs_da_args *args); int xfs_attr_shortform_remove(struct xfs_da_args *args); -int xfs_attr_shortform_list(struct xfs_attr_list_context *context); int xfs_attr_shortform_allfit(struct xfs_buf *bp, struct xfs_inode *dp); int xfs_attr_shortform_bytesfit(struct xfs_inode *dp, int bytes); void xfs_attr_fork_remove(struct xfs_inode *ip, struct xfs_trans *tp); @@ -88,8 +87,6 @@ int xfs_attr3_leaf_toosmall(struct xfs_da_state *state, int *retval); void xfs_attr3_leaf_unbalance(struct xfs_da_state *state, struct xfs_da_state_blk *drop_blk, struct xfs_da_state_blk *save_blk); -int xfs_attr3_root_inactive(struct xfs_trans **trans, struct xfs_inode *dp); - /* * Utility routines. */ diff --git a/libxfs/xfs_rtbitmap.c b/libxfs/xfs_rtbitmap.c index 70ea975..36fe323 100644 --- a/libxfs/xfs_rtbitmap.c +++ b/libxfs/xfs_rtbitmap.c @@ -65,7 +65,7 @@ const struct xfs_buf_ops xfs_rtbuf_ops = { * Get a buffer for the bitmap or summary file block specified. * The buffer is returned read and locked. */ -int +static int xfs_rtbuf_get( xfs_mount_t *mp, /* file system mount structure */ xfs_trans_t *tp, /* transaction pointer */ From darrick.wong@oracle.com Thu Jun 16 20:31:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B71418053 for ; Thu, 16 Jun 2016 20:31:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 873D6304048 for ; Thu, 16 Jun 2016 18:31:40 -0700 (PDT) X-ASG-Debug-ID: 1466127098-04cb6c542757cd0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id wByeBAlxzmoRRiei (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:39 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1VW8s014234 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:32 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VVVm019701 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:32 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VVtt026729; Fri, 17 Jun 2016 01:31:31 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:30 -0700 Subject: [PATCH 007/145] xfs: define XFS_IOC_FREEZE even if FIFREEZE is defined From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 007/145] xfs: define XFS_IOC_FREEZE even if FIFREEZE is defined To: david@fromorbit.com, darrick.wong@oracle.com Cc: Eric Sandeen , Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:29 -0700 Message-ID: <146612708926.16048.13122914973767530118.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127099 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1292 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Christoph Hellwig And the same for XFS_IOC_THAW. Just because we now have a common version of the ioctl we still need to provide the old name for it for anyone using those. Signed-off-by: Christoph Hellwig Reviewed-by: Eric Sandeen Signed-off-by: Dave Chinner --- libxfs/xfs_fs.h | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index b9622ba..1f17e1c 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -542,12 +542,8 @@ typedef struct xfs_swapext #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ -/* XFS_IOC_FREEZE -- FIFREEZE 119 */ -/* XFS_IOC_THAW -- FITHAW 120 */ -#ifndef FIFREEZE -#define XFS_IOC_FREEZE _IOWR('X', 119, int) -#define XFS_IOC_THAW _IOWR('X', 120, int) -#endif +#define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ +#define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) From darrick.wong@oracle.com Thu Jun 16 20:31:41 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 816018053 for ; Thu, 16 Jun 2016 20:31:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 50D818F804C for ; Thu, 16 Jun 2016 18:31:41 -0700 (PDT) X-ASG-Debug-ID: 1466127099-04cb6c542657cd0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id IwGkGDww2qyAL5Mq (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:39 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Vb7i001332 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:31:38 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Vbw3024679 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:37 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VbJj026756; Fri, 17 Jun 2016 01:31:37 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:36 -0700 Subject: [PATCH 008/145] libxfs: add more list operations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 008/145] libxfs: add more list operations To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:35 -0700 Message-ID: <146612709549.16048.6522744362673808871.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127099 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8174 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add some list operations that the deferred rmap code requires. Signed-off-by: Darrick J. Wong --- include/list.h | 76 ++++++++++++++++++++++++++++--- libxfs/rdwr.c | 2 - libxfs/util.c | 137 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 206 insertions(+), 9 deletions(-) diff --git a/include/list.h b/include/list.h index f92faed..372cf06 100644 --- a/include/list.h +++ b/include/list.h @@ -111,30 +111,30 @@ static inline int list_empty(const struct list_head *head) } static inline void __list_splice(struct list_head *list, - struct list_head *head) + struct list_head *prev, + struct list_head *next) { struct list_head *first = list->next; struct list_head *last = list->prev; - struct list_head *at = head->next; - first->prev = head; - head->next = first; + first->prev = prev; + prev->next = first; - last->next = at; - at->prev = last; + last->next = next; + next->prev = last; } static inline void list_splice(struct list_head *list, struct list_head *head) { if (!list_empty(list)) - __list_splice(list, head); + __list_splice(list, head, head->next); } static inline void list_splice_init(struct list_head *list, struct list_head *head) { if (!list_empty(list)) { - __list_splice(list, head); + __list_splice(list, head, head->next); list_head_init(list); } } @@ -161,4 +161,64 @@ static inline void list_splice_init(struct list_head *list, &pos->member != (head); \ pos = n, n = list_entry(n->member.next, typeof(*n), member)) +#define list_first_entry(ptr, type, member) \ + list_entry((ptr)->next, type, member) + +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + +void list_sort(void *priv, struct list_head *head, + int (*cmp)(void *priv, struct list_head *a, + struct list_head *b)); + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +/** + * list_splice_tail_init - join two lists and reinitialise the emptied list + * @list: the new list to add. + * @head: the place to add it in the first list. + * + * Each of the lists is a queue. + * The list at @list is reinitialised + */ +static inline void list_splice_tail_init(struct list_head *list, + struct list_head *head) +{ + if (!list_empty(list)) { + __list_splice(list, head->prev, head); + INIT_LIST_HEAD(list); + } +} + +/** + * list_last_entry - get the last element from a list + * @ptr: the list head to take the element from. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_head within the struct. + * + * Note, that list is expected to be not empty. + */ +#define list_last_entry(ptr, type, member) \ + list_entry((ptr)->prev, type, member) + +/** + * list_prev_entry - get the prev element in list + * @pos: the type * to cursor + * @member: the name of the list_head within the struct. + */ +#define list_prev_entry(pos, member) \ + list_entry((pos)->member.prev, typeof(*(pos)), member) + +/** + * list_for_each_entry_reverse - iterate backwards over list of given type. + * @pos: the type * to use as a loop cursor. + * @head: the head for your list. + * @member: the name of the list_head within the struct. + */ +#define list_for_each_entry_reverse(pos, head, member) \ + for (pos = list_last_entry(head, typeof(*pos), member); \ + &pos->member != (head); \ + pos = list_prev_entry(pos, member)) + #endif /* __LIST_H__ */ diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c index 0ec38c5..aa30522 100644 --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -1260,7 +1260,7 @@ libxfs_bulkrelse( } pthread_mutex_lock(&xfs_buf_freelist.cm_mutex); - __list_splice(list, &xfs_buf_freelist.cm_list); + list_splice(list, &xfs_buf_freelist.cm_list); pthread_mutex_unlock(&xfs_buf_freelist.cm_mutex); return count; diff --git a/libxfs/util.c b/libxfs/util.c index b992ad0..2e826c9 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -35,6 +35,7 @@ #include "xfs_ialloc.h" #include "xfs_alloc.h" #include "xfs_bit.h" +#include "list.h" /* * Calculate the worst case log unit reservation for a given superblock @@ -781,3 +782,139 @@ libxfs_zero_extent( return libxfs_device_zero(xfs_find_bdev_for_inode(ip), sector, size); } + +/* List sorting code from Linux. */ +#define MAX_LIST_LENGTH_BITS 20 + +/* + * Returns a list organized in an intermediate format suited + * to chaining of merge() calls: null-terminated, no reserved or + * sentinel head node, "prev" links not maintained. + */ +static struct list_head *merge(void *priv, + int (*cmp)(void *priv, struct list_head *a, + struct list_head *b), + struct list_head *a, struct list_head *b) +{ + struct list_head head, *tail = &head; + + while (a && b) { + /* if equal, take 'a' -- important for sort stability */ + if ((*cmp)(priv, a, b) <= 0) { + tail->next = a; + a = a->next; + } else { + tail->next = b; + b = b->next; + } + tail = tail->next; + } + tail->next = a?:b; + return head.next; +} + +/* + * Combine final list merge with restoration of standard doubly-linked + * list structure. This approach duplicates code from merge(), but + * runs faster than the tidier alternatives of either a separate final + * prev-link restoration pass, or maintaining the prev links + * throughout. + */ +static void merge_and_restore_back_links(void *priv, + int (*cmp)(void *priv, struct list_head *a, + struct list_head *b), + struct list_head *head, + struct list_head *a, struct list_head *b) +{ + struct list_head *tail = head; + unsigned count = 0; + + while (a && b) { + /* if equal, take 'a' -- important for sort stability */ + if ((*cmp)(priv, a, b) <= 0) { + tail->next = a; + a->prev = tail; + a = a->next; + } else { + tail->next = b; + b->prev = tail; + b = b->next; + } + tail = tail->next; + } + tail->next = a ? : b; + + do { + /* + * In worst cases this loop may run many iterations. + * Continue callbacks to the client even though no + * element comparison is needed, so the client's cmp() + * routine can invoke cond_resched() periodically. + */ + if (unlikely(!(++count))) + (*cmp)(priv, tail->next, tail->next); + + tail->next->prev = tail; + tail = tail->next; + } while (tail->next); + + tail->next = head; + head->prev = tail; +} + +/** + * list_sort - sort a list + * @priv: private data, opaque to list_sort(), passed to @cmp + * @head: the list to sort + * @cmp: the elements comparison function + * + * This function implements "merge sort", which has O(nlog(n)) + * complexity. + * + * The comparison function @cmp must return a negative value if @a + * should sort before @b, and a positive value if @a should sort after + * @b. If @a and @b are equivalent, and their original relative + * ordering is to be preserved, @cmp must return 0. + */ +void list_sort(void *priv, struct list_head *head, + int (*cmp)(void *priv, struct list_head *a, + struct list_head *b)) +{ + struct list_head *part[MAX_LIST_LENGTH_BITS+1]; /* sorted partial lists + -- last slot is a sentinel */ + int lev; /* index into part[] */ + int max_lev = 0; + struct list_head *list; + + if (list_empty(head)) + return; + + memset(part, 0, sizeof(part)); + + head->prev->next = NULL; + list = head->next; + + while (list) { + struct list_head *cur = list; + list = list->next; + cur->next = NULL; + + for (lev = 0; part[lev]; lev++) { + cur = merge(priv, cmp, part[lev], cur); + part[lev] = NULL; + } + if (lev > max_lev) { + if (unlikely(lev >= ARRAY_SIZE(part)-1)) { + lev--; + } + max_lev = lev; + } + part[lev] = cur; + } + + for (lev = 0; lev < max_lev; lev++) + if (part[lev]) + list = merge(priv, cmp, part[lev], list); + + merge_and_restore_back_links(priv, cmp, head, part[max_lev], list); +} From darrick.wong@oracle.com Thu Jun 16 20:31:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 798E58063 for ; Thu, 16 Jun 2016 20:31:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4B6168F804B for ; Thu, 16 Jun 2016 18:31:49 -0700 (PDT) X-ASG-Debug-ID: 1466127105-04cbb01fed69d70001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id qRJqGxLRQxcCYERo (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:31:45 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ViWI001393 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:44 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VhVs026308 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:43 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Vhc5026769; Fri, 17 Jun 2016 01:31:43 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:43 -0700 Subject: [PATCH 009/145] xfs_logprint: move the EFI copying/printing functions to a redo items file From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 009/145] xfs_logprint: move the EFI copying/printing functions to a redo items file To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:41 -0700 Message-ID: <146612710170.16048.15356139701108271924.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127105 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 17300 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Move the functions that handle EFI items into a separate file to avoid cluttering up log_misc.c even more when we start adding the other redo item types. Signed-off-by: Darrick J. Wong --- logprint/Makefile | 2 logprint/log_misc.c | 144 ----------------------------- logprint/log_print_all.c | 60 ------------ logprint/log_redo.c | 226 ++++++++++++++++++++++++++++++++++++++++++++++ logprint/logprint.h | 6 + 5 files changed, 232 insertions(+), 206 deletions(-) create mode 100644 logprint/log_redo.c diff --git a/logprint/Makefile b/logprint/Makefile index 7bcf27f..534bf5b 100644 --- a/logprint/Makefile +++ b/logprint/Makefile @@ -10,7 +10,7 @@ LTCOMMAND = xfs_logprint HFILES = logprint.h CFILES = logprint.c \ log_copy.c log_dump.c log_misc.c \ - log_print_all.c log_print_trans.c + log_print_all.c log_print_trans.c log_redo.c LLDLIBS = $(LIBXFS) $(LIBXLOG) $(LIBUUID) $(LIBRT) $(LIBPTHREAD) LTDEPENDENCIES = $(LIBXFS) $(LIBXLOG) diff --git a/logprint/log_misc.c b/logprint/log_misc.c index e6ee832..57d397c 100644 --- a/logprint/log_misc.c +++ b/logprint/log_misc.c @@ -475,100 +475,6 @@ xlog_print_trans_buffer(char **ptr, int len, int *i, int num_ops) int -xlog_print_trans_efd(char **ptr, uint len) -{ - xfs_efd_log_format_t *f; - xfs_efd_log_format_t lbuf; - /* size without extents at end */ - uint core_size = sizeof(xfs_efd_log_format_t) - sizeof(xfs_extent_t); - - /* - * memmove to ensure 8-byte alignment for the long longs in - * xfs_efd_log_format_t structure - */ - memmove(&lbuf, *ptr, MIN(core_size, len)); - f = &lbuf; - *ptr += len; - if (len >= core_size) { - printf(_("EFD: #regs: %d num_extents: %d id: 0x%llx\n"), - f->efd_size, f->efd_nextents, (unsigned long long)f->efd_efi_id); - - /* don't print extents as they are not used */ - - return 0; - } else { - printf(_("EFD: Not enough data to decode further\n")); - return 1; - } -} /* xlog_print_trans_efd */ - - -int -xlog_print_trans_efi( - char **ptr, - uint src_len, - int continued) -{ - xfs_efi_log_format_t *src_f, *f = NULL; - uint dst_len; - xfs_extent_t *ex; - int i; - int error = 0; - int core_size = offsetof(xfs_efi_log_format_t, efi_extents); - - /* - * memmove to ensure 8-byte alignment for the long longs in - * xfs_efi_log_format_t structure - */ - if ((src_f = (xfs_efi_log_format_t *)malloc(src_len)) == NULL) { - fprintf(stderr, _("%s: xlog_print_trans_efi: malloc failed\n"), progname); - exit(1); - } - memmove((char*)src_f, *ptr, src_len); - *ptr += src_len; - - /* convert to native format */ - dst_len = sizeof(xfs_efi_log_format_t) + (src_f->efi_nextents - 1) * sizeof(xfs_extent_t); - - if (continued && src_len < core_size) { - printf(_("EFI: Not enough data to decode further\n")); - error = 1; - goto error; - } - - if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { - fprintf(stderr, _("%s: xlog_print_trans_efi: malloc failed\n"), progname); - exit(1); - } - if (xfs_efi_copy_format((char*)src_f, src_len, f, continued)) { - error = 1; - goto error; - } - - printf(_("EFI: #regs: %d num_extents: %d id: 0x%llx\n"), - f->efi_size, f->efi_nextents, (unsigned long long)f->efi_id); - - if (continued) { - printf(_("EFI free extent data skipped (CONTINUE set, no space)\n")); - goto error; - } - - ex = f->efi_extents; - for (i=0; i < f->efi_nextents; i++) { - printf("(s: 0x%llx, l: %d) ", - (unsigned long long)ex->ext_start, ex->ext_len); - if (i % 4 == 3) printf("\n"); - ex++; - } - if (i % 4 != 0) printf("\n"); -error: - free(src_f); - free(f); - return error; -} /* xlog_print_trans_efi */ - - -int xlog_print_trans_qoff(char **ptr, uint len) { xfs_qoff_logformat_t *f; @@ -1617,53 +1523,3 @@ xfs_inode_item_format_convert(char *src_buf, uint len, xfs_inode_log_format_t *i } return in_f; } - -int -xfs_efi_copy_format( - char *buf, - uint len, - struct xfs_efi_log_format *dst_efi_fmt, - int continued) -{ - uint i; - uint nextents = ((xfs_efi_log_format_t *)buf)->efi_nextents; - uint dst_len = sizeof(xfs_efi_log_format_t) + (nextents - 1) * sizeof(xfs_extent_t); - uint len32 = sizeof(xfs_efi_log_format_32_t) + (nextents - 1) * sizeof(xfs_extent_32_t); - uint len64 = sizeof(xfs_efi_log_format_64_t) + (nextents - 1) * sizeof(xfs_extent_64_t); - - if (len == dst_len || continued) { - memcpy((char *)dst_efi_fmt, buf, len); - return 0; - } else if (len == len32) { - xfs_efi_log_format_32_t *src_efi_fmt_32 = (xfs_efi_log_format_32_t *)buf; - - dst_efi_fmt->efi_type = src_efi_fmt_32->efi_type; - dst_efi_fmt->efi_size = src_efi_fmt_32->efi_size; - dst_efi_fmt->efi_nextents = src_efi_fmt_32->efi_nextents; - dst_efi_fmt->efi_id = src_efi_fmt_32->efi_id; - for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { - dst_efi_fmt->efi_extents[i].ext_start = - src_efi_fmt_32->efi_extents[i].ext_start; - dst_efi_fmt->efi_extents[i].ext_len = - src_efi_fmt_32->efi_extents[i].ext_len; - } - return 0; - } else if (len == len64) { - xfs_efi_log_format_64_t *src_efi_fmt_64 = (xfs_efi_log_format_64_t *)buf; - - dst_efi_fmt->efi_type = src_efi_fmt_64->efi_type; - dst_efi_fmt->efi_size = src_efi_fmt_64->efi_size; - dst_efi_fmt->efi_nextents = src_efi_fmt_64->efi_nextents; - dst_efi_fmt->efi_id = src_efi_fmt_64->efi_id; - for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { - dst_efi_fmt->efi_extents[i].ext_start = - src_efi_fmt_64->efi_extents[i].ext_start; - dst_efi_fmt->efi_extents[i].ext_len = - src_efi_fmt_64->efi_extents[i].ext_len; - } - return 0; - } - fprintf(stderr, _("%s: bad size of efi format: %u; expected %u or %u; nextents = %u\n"), - progname, len, len32, len64, nextents); - return 1; -} diff --git a/logprint/log_print_all.c b/logprint/log_print_all.c index f95f4aa..4d92c3b 100644 --- a/logprint/log_print_all.c +++ b/logprint/log_print_all.c @@ -372,66 +372,6 @@ xlog_recover_print_inode( } } -STATIC void -xlog_recover_print_efd( - xlog_recover_item_t *item) -{ - xfs_efd_log_format_t *f; - - f = (xfs_efd_log_format_t *)item->ri_buf[0].i_addr; - /* - * An xfs_efd_log_format structure contains a variable length array - * as the last field. - * Each element is of size xfs_extent_32_t or xfs_extent_64_t. - * However, the extents are never used and won't be printed. - */ - printf(_(" EFD: #regs: %d num_extents: %d id: 0x%llx\n"), - f->efd_size, f->efd_nextents, (unsigned long long)f->efd_efi_id); -} - - -STATIC void -xlog_recover_print_efi( - xlog_recover_item_t *item) -{ - xfs_efi_log_format_t *f, *src_f; - xfs_extent_t *ex; - int i; - uint src_len, dst_len; - - src_f = (xfs_efi_log_format_t *)item->ri_buf[0].i_addr; - src_len = item->ri_buf[0].i_len; - /* - * An xfs_efi_log_format structure contains a variable length array - * as the last field. - * Each element is of size xfs_extent_32_t or xfs_extent_64_t. - * Need to convert to native format. - */ - dst_len = sizeof(xfs_efi_log_format_t) + (src_f->efi_nextents - 1) * sizeof(xfs_extent_t); - if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { - fprintf(stderr, _("%s: xlog_recover_print_efi: malloc failed\n"), progname); - exit(1); - } - if (xfs_efi_copy_format((char*)src_f, src_len, f, 0)) { - free(f); - return; - } - - printf(_(" EFI: #regs:%d num_extents:%d id:0x%llx\n"), - f->efi_size, f->efi_nextents, (unsigned long long)f->efi_id); - ex = f->efi_extents; - printf(" "); - for (i=0; i< f->efi_nextents; i++) { - printf("(s: 0x%llx, l: %d) ", - (unsigned long long)ex->ext_start, ex->ext_len); - if (i % 4 == 3) - printf("\n"); - ex++; - } - if (i % 4 != 0) - printf("\n"); - free(f); -} STATIC void xlog_recover_print_icreate( diff --git a/logprint/log_redo.c b/logprint/log_redo.c new file mode 100644 index 0000000..a9608f0 --- /dev/null +++ b/logprint/log_redo.c @@ -0,0 +1,226 @@ +/* + * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. + * Copyright (c) 2016 Oracle, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "libxfs.h" +#include "libxlog.h" + +#include "logprint.h" + +/* Extent Free Items */ + +int +xfs_efi_copy_format( + char *buf, + uint len, + struct xfs_efi_log_format *dst_efi_fmt, + int continued) +{ + uint i; + uint nextents = ((xfs_efi_log_format_t *)buf)->efi_nextents; + uint dst_len = sizeof(xfs_efi_log_format_t) + (nextents - 1) * sizeof(xfs_extent_t); + uint len32 = sizeof(xfs_efi_log_format_32_t) + (nextents - 1) * sizeof(xfs_extent_32_t); + uint len64 = sizeof(xfs_efi_log_format_64_t) + (nextents - 1) * sizeof(xfs_extent_64_t); + + if (len == dst_len || continued) { + memcpy((char *)dst_efi_fmt, buf, len); + return 0; + } else if (len == len32) { + xfs_efi_log_format_32_t *src_efi_fmt_32 = (xfs_efi_log_format_32_t *)buf; + + dst_efi_fmt->efi_type = src_efi_fmt_32->efi_type; + dst_efi_fmt->efi_size = src_efi_fmt_32->efi_size; + dst_efi_fmt->efi_nextents = src_efi_fmt_32->efi_nextents; + dst_efi_fmt->efi_id = src_efi_fmt_32->efi_id; + for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { + dst_efi_fmt->efi_extents[i].ext_start = + src_efi_fmt_32->efi_extents[i].ext_start; + dst_efi_fmt->efi_extents[i].ext_len = + src_efi_fmt_32->efi_extents[i].ext_len; + } + return 0; + } else if (len == len64) { + xfs_efi_log_format_64_t *src_efi_fmt_64 = (xfs_efi_log_format_64_t *)buf; + + dst_efi_fmt->efi_type = src_efi_fmt_64->efi_type; + dst_efi_fmt->efi_size = src_efi_fmt_64->efi_size; + dst_efi_fmt->efi_nextents = src_efi_fmt_64->efi_nextents; + dst_efi_fmt->efi_id = src_efi_fmt_64->efi_id; + for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { + dst_efi_fmt->efi_extents[i].ext_start = + src_efi_fmt_64->efi_extents[i].ext_start; + dst_efi_fmt->efi_extents[i].ext_len = + src_efi_fmt_64->efi_extents[i].ext_len; + } + return 0; + } + fprintf(stderr, _("%s: bad size of efi format: %u; expected %u or %u; nextents = %u\n"), + progname, len, len32, len64, nextents); + return 1; +} + +int +xlog_print_trans_efi( + char **ptr, + uint src_len, + int continued) +{ + xfs_efi_log_format_t *src_f, *f = NULL; + uint dst_len; + xfs_extent_t *ex; + int i; + int error = 0; + int core_size = offsetof(xfs_efi_log_format_t, efi_extents); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * xfs_efi_log_format_t structure + */ + if ((src_f = (xfs_efi_log_format_t *)malloc(src_len)) == NULL) { + fprintf(stderr, _("%s: xlog_print_trans_efi: malloc failed\n"), progname); + exit(1); + } + memmove((char*)src_f, *ptr, src_len); + *ptr += src_len; + + /* convert to native format */ + dst_len = sizeof(xfs_efi_log_format_t) + (src_f->efi_nextents - 1) * sizeof(xfs_extent_t); + + if (continued && src_len < core_size) { + printf(_("EFI: Not enough data to decode further\n")); + error = 1; + goto error; + } + + if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { + fprintf(stderr, _("%s: xlog_print_trans_efi: malloc failed\n"), progname); + exit(1); + } + if (xfs_efi_copy_format((char*)src_f, src_len, f, continued)) { + error = 1; + goto error; + } + + printf(_("EFI: #regs: %d num_extents: %d id: 0x%llx\n"), + f->efi_size, f->efi_nextents, (unsigned long long)f->efi_id); + + if (continued) { + printf(_("EFI free extent data skipped (CONTINUE set, no space)\n")); + goto error; + } + + ex = f->efi_extents; + for (i=0; i < f->efi_nextents; i++) { + printf("(s: 0x%llx, l: %d) ", + (unsigned long long)ex->ext_start, ex->ext_len); + if (i % 4 == 3) printf("\n"); + ex++; + } + if (i % 4 != 0) printf("\n"); +error: + free(src_f); + free(f); + return error; +} /* xlog_print_trans_efi */ + +void +xlog_recover_print_efi( + xlog_recover_item_t *item) +{ + xfs_efi_log_format_t *f, *src_f; + xfs_extent_t *ex; + int i; + uint src_len, dst_len; + + src_f = (xfs_efi_log_format_t *)item->ri_buf[0].i_addr; + src_len = item->ri_buf[0].i_len; + /* + * An xfs_efi_log_format structure contains a variable length array + * as the last field. + * Each element is of size xfs_extent_32_t or xfs_extent_64_t. + * Need to convert to native format. + */ + dst_len = sizeof(xfs_efi_log_format_t) + (src_f->efi_nextents - 1) * sizeof(xfs_extent_t); + if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { + fprintf(stderr, _("%s: xlog_recover_print_efi: malloc failed\n"), progname); + exit(1); + } + if (xfs_efi_copy_format((char*)src_f, src_len, f, 0)) { + free(f); + return; + } + + printf(_(" EFI: #regs:%d num_extents:%d id:0x%llx\n"), + f->efi_size, f->efi_nextents, (unsigned long long)f->efi_id); + ex = f->efi_extents; + printf(" "); + for (i=0; i< f->efi_nextents; i++) { + printf("(s: 0x%llx, l: %d) ", + (unsigned long long)ex->ext_start, ex->ext_len); + if (i % 4 == 3) + printf("\n"); + ex++; + } + if (i % 4 != 0) + printf("\n"); + free(f); +} + +int +xlog_print_trans_efd(char **ptr, uint len) +{ + xfs_efd_log_format_t *f; + xfs_efd_log_format_t lbuf; + /* size without extents at end */ + uint core_size = sizeof(xfs_efd_log_format_t) - sizeof(xfs_extent_t); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * xfs_efd_log_format_t structure + */ + memmove(&lbuf, *ptr, MIN(core_size, len)); + f = &lbuf; + *ptr += len; + if (len >= core_size) { + printf(_("EFD: #regs: %d num_extents: %d id: 0x%llx\n"), + f->efd_size, f->efd_nextents, (unsigned long long)f->efd_efi_id); + + /* don't print extents as they are not used */ + + return 0; + } else { + printf(_("EFD: Not enough data to decode further\n")); + return 1; + } +} /* xlog_print_trans_efd */ + +void +xlog_recover_print_efd( + xlog_recover_item_t *item) +{ + xfs_efd_log_format_t *f; + + f = (xfs_efd_log_format_t *)item->ri_buf[0].i_addr; + /* + * An xfs_efd_log_format structure contains a variable length array + * as the last field. + * Each element is of size xfs_extent_32_t or xfs_extent_64_t. + * However, the extents are never used and won't be printed. + */ + printf(_(" EFD: #regs: %d num_extents: %d id: 0x%llx\n"), + f->efd_size, f->efd_nextents, (unsigned long long)f->efd_efi_id); +} diff --git a/logprint/logprint.h b/logprint/logprint.h index 018af81..517e852 100644 --- a/logprint/logprint.h +++ b/logprint/logprint.h @@ -45,6 +45,10 @@ extern void print_stars(void); extern xfs_inode_log_format_t * xfs_inode_item_format_convert(char *, uint, xfs_inode_log_format_t *); -extern int xfs_efi_copy_format(char *, uint, xfs_efi_log_format_t *, int); + +extern int xlog_print_trans_efi(char **ptr, uint src_len, int continued); +extern void xlog_recover_print_efi(xlog_recover_item_t *item); +extern int xlog_print_trans_efd(char **ptr, uint len); +extern void xlog_recover_print_efd(xlog_recover_item_t *item); #endif /* LOGPRINT_H */ From darrick.wong@oracle.com Thu Jun 16 20:31:58 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B6C72806C for ; Thu, 16 Jun 2016 20:31:58 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 233E9AC002 for ; 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Fri, 17 Jun 2016 01:31:49 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:49 -0700 Subject: [PATCH 010/145] xfs_logprint: fix formatting issues with the EFI printing code From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 010/145] xfs_logprint: fix formatting issues with the EFI printing code To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:47 -0700 Message-ID: <146612710794.16048.674906502840774962.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127115 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11185 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Fix some formatting issues with the EFI handling functions. This is a purely mechanical whitespace fix, no code changes aside from adding 'static'. Signed-off-by: Darrick J. Wong --- logprint/log_redo.c | 261 ++++++++++++++++++++++++++------------------------- 1 file changed, 133 insertions(+), 128 deletions(-) diff --git a/logprint/log_redo.c b/logprint/log_redo.c index a9608f0..d60cc1b 100644 --- a/logprint/log_redo.c +++ b/logprint/log_redo.c @@ -23,118 +23,119 @@ /* Extent Free Items */ -int +static int xfs_efi_copy_format( char *buf, uint len, struct xfs_efi_log_format *dst_efi_fmt, int continued) { - uint i; + uint i; uint nextents = ((xfs_efi_log_format_t *)buf)->efi_nextents; - uint dst_len = sizeof(xfs_efi_log_format_t) + (nextents - 1) * sizeof(xfs_extent_t); - uint len32 = sizeof(xfs_efi_log_format_32_t) + (nextents - 1) * sizeof(xfs_extent_32_t); - uint len64 = sizeof(xfs_efi_log_format_64_t) + (nextents - 1) * sizeof(xfs_extent_64_t); - - if (len == dst_len || continued) { - memcpy((char *)dst_efi_fmt, buf, len); - return 0; - } else if (len == len32) { - xfs_efi_log_format_32_t *src_efi_fmt_32 = (xfs_efi_log_format_32_t *)buf; - - dst_efi_fmt->efi_type = src_efi_fmt_32->efi_type; - dst_efi_fmt->efi_size = src_efi_fmt_32->efi_size; - dst_efi_fmt->efi_nextents = src_efi_fmt_32->efi_nextents; - dst_efi_fmt->efi_id = src_efi_fmt_32->efi_id; - for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { - dst_efi_fmt->efi_extents[i].ext_start = - src_efi_fmt_32->efi_extents[i].ext_start; - dst_efi_fmt->efi_extents[i].ext_len = - src_efi_fmt_32->efi_extents[i].ext_len; - } - return 0; - } else if (len == len64) { - xfs_efi_log_format_64_t *src_efi_fmt_64 = (xfs_efi_log_format_64_t *)buf; - - dst_efi_fmt->efi_type = src_efi_fmt_64->efi_type; - dst_efi_fmt->efi_size = src_efi_fmt_64->efi_size; - dst_efi_fmt->efi_nextents = src_efi_fmt_64->efi_nextents; - dst_efi_fmt->efi_id = src_efi_fmt_64->efi_id; - for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { - dst_efi_fmt->efi_extents[i].ext_start = - src_efi_fmt_64->efi_extents[i].ext_start; - dst_efi_fmt->efi_extents[i].ext_len = - src_efi_fmt_64->efi_extents[i].ext_len; - } - return 0; - } + uint dst_len = sizeof(xfs_efi_log_format_t) + (nextents - 1) * sizeof(xfs_extent_t); + uint len32 = sizeof(xfs_efi_log_format_32_t) + (nextents - 1) * sizeof(xfs_extent_32_t); + uint len64 = sizeof(xfs_efi_log_format_64_t) + (nextents - 1) * sizeof(xfs_extent_64_t); + + if (len == dst_len || continued) { + memcpy((char *)dst_efi_fmt, buf, len); + return 0; + } else if (len == len32) { + xfs_efi_log_format_32_t *src_efi_fmt_32 = (xfs_efi_log_format_32_t *)buf; + + dst_efi_fmt->efi_type = src_efi_fmt_32->efi_type; + dst_efi_fmt->efi_size = src_efi_fmt_32->efi_size; + dst_efi_fmt->efi_nextents = src_efi_fmt_32->efi_nextents; + dst_efi_fmt->efi_id = src_efi_fmt_32->efi_id; + for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { + dst_efi_fmt->efi_extents[i].ext_start = + src_efi_fmt_32->efi_extents[i].ext_start; + dst_efi_fmt->efi_extents[i].ext_len = + src_efi_fmt_32->efi_extents[i].ext_len; + } + return 0; + } else if (len == len64) { + xfs_efi_log_format_64_t *src_efi_fmt_64 = (xfs_efi_log_format_64_t *)buf; + + dst_efi_fmt->efi_type = src_efi_fmt_64->efi_type; + dst_efi_fmt->efi_size = src_efi_fmt_64->efi_size; + dst_efi_fmt->efi_nextents = src_efi_fmt_64->efi_nextents; + dst_efi_fmt->efi_id = src_efi_fmt_64->efi_id; + for (i = 0; i < dst_efi_fmt->efi_nextents; i++) { + dst_efi_fmt->efi_extents[i].ext_start = + src_efi_fmt_64->efi_extents[i].ext_start; + dst_efi_fmt->efi_extents[i].ext_len = + src_efi_fmt_64->efi_extents[i].ext_len; + } + return 0; + } fprintf(stderr, _("%s: bad size of efi format: %u; expected %u or %u; nextents = %u\n"), progname, len, len32, len64, nextents); - return 1; + return 1; } int xlog_print_trans_efi( - char **ptr, - uint src_len, - int continued) + char **ptr, + uint src_len, + int continued) { - xfs_efi_log_format_t *src_f, *f = NULL; - uint dst_len; - xfs_extent_t *ex; - int i; - int error = 0; - int core_size = offsetof(xfs_efi_log_format_t, efi_extents); - - /* - * memmove to ensure 8-byte alignment for the long longs in - * xfs_efi_log_format_t structure - */ - if ((src_f = (xfs_efi_log_format_t *)malloc(src_len)) == NULL) { - fprintf(stderr, _("%s: xlog_print_trans_efi: malloc failed\n"), progname); - exit(1); - } - memmove((char*)src_f, *ptr, src_len); - *ptr += src_len; - - /* convert to native format */ - dst_len = sizeof(xfs_efi_log_format_t) + (src_f->efi_nextents - 1) * sizeof(xfs_extent_t); - - if (continued && src_len < core_size) { - printf(_("EFI: Not enough data to decode further\n")); - error = 1; - goto error; - } - - if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { - fprintf(stderr, _("%s: xlog_print_trans_efi: malloc failed\n"), progname); - exit(1); - } - if (xfs_efi_copy_format((char*)src_f, src_len, f, continued)) { - error = 1; - goto error; - } - - printf(_("EFI: #regs: %d num_extents: %d id: 0x%llx\n"), - f->efi_size, f->efi_nextents, (unsigned long long)f->efi_id); - - if (continued) { - printf(_("EFI free extent data skipped (CONTINUE set, no space)\n")); - goto error; - } - - ex = f->efi_extents; - for (i=0; i < f->efi_nextents; i++) { - printf("(s: 0x%llx, l: %d) ", - (unsigned long long)ex->ext_start, ex->ext_len); - if (i % 4 == 3) printf("\n"); - ex++; - } - if (i % 4 != 0) printf("\n"); + xfs_efi_log_format_t *src_f, *f = NULL; + uint dst_len; + xfs_extent_t *ex; + int i; + int error = 0; + int core_size = offsetof(xfs_efi_log_format_t, efi_extents); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * xfs_efi_log_format_t structure + */ + if ((src_f = (xfs_efi_log_format_t *)malloc(src_len)) == NULL) { + fprintf(stderr, _("%s: xlog_print_trans_efi: malloc failed\n"), progname); + exit(1); + } + memmove((char*)src_f, *ptr, src_len); + *ptr += src_len; + + /* convert to native format */ + dst_len = sizeof(xfs_efi_log_format_t) + (src_f->efi_nextents - 1) * sizeof(xfs_extent_t); + + if (continued && src_len < core_size) { + printf(_("EFI: Not enough data to decode further\n")); + error = 1; + goto error; + } + + if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { + fprintf(stderr, _("%s: xlog_print_trans_efi: malloc failed\n"), progname); + exit(1); + } + if (xfs_efi_copy_format((char*)src_f, src_len, f, continued)) { + error = 1; + goto error; + } + + printf(_("EFI: #regs: %d num_extents: %d id: 0x%llx\n"), + f->efi_size, f->efi_nextents, (unsigned long long)f->efi_id); + + if (continued) { + printf(_("EFI free extent data skipped (CONTINUE set, no space)\n")); + goto error; + } + + ex = f->efi_extents; + for (i=0; i < f->efi_nextents; i++) { + printf("(s: 0x%llx, l: %d) ", + (unsigned long long)ex->ext_start, ex->ext_len); + if (i % 4 == 3) printf("\n"); + ex++; + } + if (i % 4 != 0) + printf("\n"); error: - free(src_f); - free(f); - return error; + free(src_f); + free(f); + return error; } /* xlog_print_trans_efi */ void @@ -154,18 +155,20 @@ xlog_recover_print_efi( * Each element is of size xfs_extent_32_t or xfs_extent_64_t. * Need to convert to native format. */ - dst_len = sizeof(xfs_efi_log_format_t) + (src_f->efi_nextents - 1) * sizeof(xfs_extent_t); + dst_len = sizeof(xfs_efi_log_format_t) + + (src_f->efi_nextents - 1) * sizeof(xfs_extent_t); if ((f = (xfs_efi_log_format_t *)malloc(dst_len)) == NULL) { - fprintf(stderr, _("%s: xlog_recover_print_efi: malloc failed\n"), progname); - exit(1); + fprintf(stderr, _("%s: xlog_recover_print_efi: malloc failed\n"), + progname); + exit(1); } if (xfs_efi_copy_format((char*)src_f, src_len, f, 0)) { - free(f); - return; + free(f); + return; } - printf(_(" EFI: #regs:%d num_extents:%d id:0x%llx\n"), - f->efi_size, f->efi_nextents, (unsigned long long)f->efi_id); + printf(_(" EFI: #regs:%d num_extents:%d id:0x%llx\n"), + f->efi_size, f->efi_nextents, (unsigned long long)f->efi_id); ex = f->efi_extents; printf(" "); for (i=0; i< f->efi_nextents; i++) { @@ -183,29 +186,30 @@ xlog_recover_print_efi( int xlog_print_trans_efd(char **ptr, uint len) { - xfs_efd_log_format_t *f; - xfs_efd_log_format_t lbuf; - /* size without extents at end */ - uint core_size = sizeof(xfs_efd_log_format_t) - sizeof(xfs_extent_t); - - /* - * memmove to ensure 8-byte alignment for the long longs in - * xfs_efd_log_format_t structure - */ - memmove(&lbuf, *ptr, MIN(core_size, len)); - f = &lbuf; - *ptr += len; - if (len >= core_size) { - printf(_("EFD: #regs: %d num_extents: %d id: 0x%llx\n"), - f->efd_size, f->efd_nextents, (unsigned long long)f->efd_efi_id); - - /* don't print extents as they are not used */ - - return 0; - } else { - printf(_("EFD: Not enough data to decode further\n")); + xfs_efd_log_format_t *f; + xfs_efd_log_format_t lbuf; + /* size without extents at end */ + uint core_size = sizeof(xfs_efd_log_format_t) - sizeof(xfs_extent_t); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * xfs_efd_log_format_t structure + */ + memmove(&lbuf, *ptr, MIN(core_size, len)); + f = &lbuf; + *ptr += len; + if (len >= core_size) { + printf(_("EFD: #regs: %d num_extents: %d id: 0x%llx\n"), + f->efd_size, f->efd_nextents, + (unsigned long long)f->efd_efi_id); + + /* don't print extents as they are not used */ + + return 0; + } else { + printf(_("EFD: Not enough data to decode further\n")); return 1; - } + } } /* xlog_print_trans_efd */ void @@ -221,6 +225,7 @@ xlog_recover_print_efd( * Each element is of size xfs_extent_32_t or xfs_extent_64_t. * However, the extents are never used and won't be printed. */ - printf(_(" EFD: #regs: %d num_extents: %d id: 0x%llx\n"), - f->efd_size, f->efd_nextents, (unsigned long long)f->efd_efi_id); + printf(_(" EFD: #regs: %d num_extents: %d id: 0x%llx\n"), + f->efd_size, f->efd_nextents, + (unsigned long long)f->efd_efi_id); } From darrick.wong@oracle.com Thu Jun 16 20:32:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2EE6F8078 for ; Thu, 16 Jun 2016 20:32:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id E2C0E8F804B for ; Thu, 16 Jun 2016 18:32:04 -0700 (PDT) X-ASG-Debug-ID: 1466127122-04bdf01e1595f70001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 94ck3CRAGOnIeqTC (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:02 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1VwMx014500 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:31:58 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Vwmd025300 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:31:58 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1VtbE009935; Fri, 17 Jun 2016 01:31:56 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:31:55 -0700 Subject: [PATCH 011/145] man: document the DAX fsxattr inode flag From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 011/145] man: document the DAX fsxattr inode flag To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:31:54 -0700 Message-ID: <146612711418.16048.15527594819477737762.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127122 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 865 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Document the new inode flag in struct fsxattr for DAX. Signed-off-by: Darrick J. Wong --- man/man3/xfsctl.3 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/man/man3/xfsctl.3 b/man/man3/xfsctl.3 index e84b829..9e7f138 100644 --- a/man/man3/xfsctl.3 +++ b/man/man3/xfsctl.3 @@ -225,6 +225,11 @@ group and so files within different directories will not interleave extents on disk. The reservation is only active while files are being created and written into the directory. .TP +.SM "Bit 15 (0x8000) \- XFS_XFLAG_DAX" +If the filesystem lives on directly accessible persistent memory, reads and +writes to this file will go straight to the persistent memory, bypassing the +page cache. +.TP .SM "Bit 31 (0x80000000) \- XFS_XFLAG_HASATTR" The file has extended attributes associated with it. .RE From darrick.wong@oracle.com Thu Jun 16 20:32:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5E5E58080 for ; Thu, 16 Jun 2016 20:32:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2F0278F804C for ; Thu, 16 Jun 2016 18:32:10 -0700 (PDT) X-ASG-Debug-ID: 1466127127-04cb6c542557d10001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id OrXQr9DxezIaQxTw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:08 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1W32I014806 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:03 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1W27H031837 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:03 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1W1JL026826; Fri, 17 Jun 2016 01:32:02 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:01 -0700 Subject: [PATCH 012/145] xfs: separate freelist fixing into a separate helper From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 012/145] xfs: separate freelist fixing into a separate helper To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:00 -0700 Message-ID: <146612712023.16048.11958690424572913723.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127127 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4097 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Break up xfs_free_extent() into a helper that fixes the freelist. This helper will be used subsequently to ensure the freelist during deferred rmap processing. Signed-off-by: Dave Chinner [darrick: refactor to put this at the head of the patchset] Signed-off-by: Darrick J. Wong --- libxfs/xfs_alloc.c | 82 ++++++++++++++++++++++++++++++++++------------------ libxfs/xfs_alloc.h | 2 + 2 files changed, 55 insertions(+), 29 deletions(-) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 8520f31..2998af8 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -2656,55 +2656,79 @@ error0: return error; } -/* - * Free an extent. - * Just break up the extent address and hand off to xfs_free_ag_extent - * after fixing up the freelist. - */ -int /* error */ -xfs_free_extent( - xfs_trans_t *tp, /* transaction pointer */ - xfs_fsblock_t bno, /* starting block number of extent */ - xfs_extlen_t len) /* length of extent */ +/* Ensure that the freelist is at full capacity. */ +int +xfs_free_extent_fix_freelist( + struct xfs_trans *tp, + xfs_agnumber_t agno, + struct xfs_buf **agbp) { - xfs_alloc_arg_t args; - int error; + xfs_alloc_arg_t args; + int error; - ASSERT(len != 0); memset(&args, 0, sizeof(xfs_alloc_arg_t)); args.tp = tp; args.mp = tp->t_mountp; + args.agno = agno; /* * validate that the block number is legal - the enables us to detect * and handle a silent filesystem corruption rather than crashing. */ - args.agno = XFS_FSB_TO_AGNO(args.mp, bno); if (args.agno >= args.mp->m_sb.sb_agcount) return -EFSCORRUPTED; - args.agbno = XFS_FSB_TO_AGBNO(args.mp, bno); - if (args.agbno >= args.mp->m_sb.sb_agblocks) - return -EFSCORRUPTED; - args.pag = xfs_perag_get(args.mp, args.agno); ASSERT(args.pag); error = xfs_alloc_fix_freelist(&args, XFS_ALLOC_FLAG_FREEING); if (error) - goto error0; + goto out; + + *agbp = args.agbp; +out: + xfs_perag_put(args.pag); + return error; +} + +/* + * Free an extent. + * Just break up the extent address and hand off to xfs_free_ag_extent + * after fixing up the freelist. + */ +int /* error */ +xfs_free_extent( + struct xfs_trans *tp, /* transaction pointer */ + xfs_fsblock_t bno, /* starting block number of extent */ + xfs_extlen_t len) /* length of extent */ +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_buf *agbp; + xfs_agnumber_t agno = XFS_FSB_TO_AGNO(mp, bno); + xfs_agblock_t agbno = XFS_FSB_TO_AGBNO(mp, bno); + int error; + + ASSERT(len != 0); + + error = xfs_free_extent_fix_freelist(tp, agno, &agbp); + if (error) + return error; + + XFS_WANT_CORRUPTED_GOTO(mp, agbno < mp->m_sb.sb_agblocks, err); /* validate the extent size is legal now we have the agf locked */ - if (args.agbno + len > - be32_to_cpu(XFS_BUF_TO_AGF(args.agbp)->agf_length)) { - error = -EFSCORRUPTED; - goto error0; - } + XFS_WANT_CORRUPTED_GOTO(mp, + agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length), + err); - error = xfs_free_ag_extent(tp, args.agbp, args.agno, args.agbno, len, 0); - if (!error) - xfs_extent_busy_insert(tp, args.agno, args.agbno, len, 0); -error0: - xfs_perag_put(args.pag); + error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, 0); + if (error) + goto err; + + xfs_extent_busy_insert(tp, agno, agbno, len, 0); + return 0; + +err: + xfs_trans_brelse(tp, agbp); return error; } diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index 92a66ba..cf268b2 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -229,5 +229,7 @@ xfs_alloc_get_rec( int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp, xfs_agnumber_t agno, int flags, struct xfs_buf **bpp); int xfs_alloc_fix_freelist(struct xfs_alloc_arg *args, int flags); +int xfs_free_extent_fix_freelist(struct xfs_trans *tp, xfs_agnumber_t agno, + struct xfs_buf **agbp); #endif /* __XFS_ALLOC_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:32:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4109E8089 for ; Thu, 16 Jun 2016 20:32:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C007BAC002 for ; Thu, 16 Jun 2016 18:32:12 -0700 (PDT) X-ASG-Debug-ID: 1466127130-04bdf01e1795f90001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id mcD9kusdpnRCXfbE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1W91h001885 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:09 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1W86w020746 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:08 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1W8m8022226; Fri, 17 Jun 2016 01:32:08 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:07 -0700 Subject: [PATCH 013/145] xfs: convert list of extents to free into a regular list From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 013/145] xfs: convert list of extents to free into a regular list To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:06 -0700 Message-ID: <146612712636.16048.4965436384661239506.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127130 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6274 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines In struct xfs_bmap_free, convert the open-coded free extent list to a regular list, then use list_sort to sort it prior to processing. Signed-off-by: Darrick J. Wong --- libxfs/init.c | 3 ++- libxfs/libxfs_priv.h | 3 +-- libxfs/util.c | 10 +++++----- libxfs/xfs_bmap.c | 39 +++++++++++---------------------------- libxfs/xfs_bmap.h | 14 ++++++++------ 5 files changed, 27 insertions(+), 42 deletions(-) diff --git a/libxfs/init.c b/libxfs/init.c index e04b6e0..67c3b30 100644 --- a/libxfs/init.c +++ b/libxfs/init.c @@ -417,7 +417,8 @@ manage_zones(int release) xfs_btree_cur_zone = kmem_zone_init( sizeof(xfs_btree_cur_t), "xfs_btree_cur"); xfs_bmap_free_item_zone = kmem_zone_init( - sizeof(xfs_bmap_free_item_t), "xfs_bmap_free_item"); + sizeof(struct xfs_bmap_free_item), + "xfs_bmap_free_item"); xfs_log_item_desc_zone = kmem_zone_init( sizeof(struct xfs_log_item_desc), "xfs_log_item_desc"); xfs_dir_startup(); diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h index ecd75e7..ba16544 100644 --- a/libxfs/libxfs_priv.h +++ b/libxfs/libxfs_priv.h @@ -466,8 +466,7 @@ struct xfs_buftarg; int xfs_attr_rmtval_get(struct xfs_da_args *); /* xfs_bmap.c */ -void xfs_bmap_del_free(struct xfs_bmap_free *, struct xfs_bmap_free_item *, - struct xfs_bmap_free_item *); +void xfs_bmap_del_free(struct xfs_bmap_free *, struct xfs_bmap_free_item *); /* xfs_mount.c */ int xfs_initialize_perag_data(struct xfs_mount *, xfs_agnumber_t); diff --git a/libxfs/util.c b/libxfs/util.c index 2e826c9..f37b396 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -480,20 +480,20 @@ libxfs_bmap_finish( struct xfs_bmap_free *flist, struct xfs_inode *ip) { - xfs_bmap_free_item_t *free; /* free extent list item */ - xfs_bmap_free_item_t *next; /* next item on free list */ + struct xfs_bmap_free_item *free; /* free extent list item */ int error; if (flist->xbf_count == 0) return 0; - for (free = flist->xbf_first; free != NULL; free = next) { - next = free->xbfi_next; + while (!list_empty(&flist->xbf_flist)) { + free = list_first_entry(&flist->xbf_flist, + struct xfs_bmap_free_item, xbfi_list); error = xfs_free_extent(*tp, free->xbfi_startblock, free->xbfi_blockcount); if (error) return error; - xfs_bmap_del_free(flist, NULL, free); + xfs_bmap_del_free(flist, free); } return 0; } diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index c2a2c53..65de5ad 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -567,9 +567,7 @@ xfs_bmap_add_free( xfs_fsblock_t bno, /* fs block number of extent */ xfs_filblks_t len) /* length of extent */ { - xfs_bmap_free_item_t *cur; /* current (next) element */ - xfs_bmap_free_item_t *new; /* new element */ - xfs_bmap_free_item_t *prev; /* previous element */ + struct xfs_bmap_free_item *new; /* new element */ #ifdef DEBUG xfs_agnumber_t agno; xfs_agblock_t agbno; @@ -589,17 +587,7 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; - for (prev = NULL, cur = flist->xbf_first; - cur != NULL; - prev = cur, cur = cur->xbfi_next) { - if (cur->xbfi_startblock >= bno) - break; - } - if (prev) - prev->xbfi_next = new; - else - flist->xbf_first = new; - new->xbfi_next = cur; + list_add(&new->xbfi_list, &flist->xbf_flist); flist->xbf_count++; } @@ -609,14 +597,10 @@ xfs_bmap_add_free( */ void xfs_bmap_del_free( - xfs_bmap_free_t *flist, /* free item list header */ - xfs_bmap_free_item_t *prev, /* previous item on list, if any */ - xfs_bmap_free_item_t *free) /* list item to be freed */ + struct xfs_bmap_free *flist, /* free item list header */ + struct xfs_bmap_free_item *free) /* list item to be freed */ { - if (prev) - prev->xbfi_next = free->xbfi_next; - else - flist->xbf_first = free->xbfi_next; + list_del(&free->xbfi_list); flist->xbf_count--; kmem_zone_free(xfs_bmap_free_item_zone, free); } @@ -626,17 +610,16 @@ xfs_bmap_del_free( */ void xfs_bmap_cancel( - xfs_bmap_free_t *flist) /* list of bmap_free_items */ + struct xfs_bmap_free *flist) /* list of bmap_free_items */ { - xfs_bmap_free_item_t *free; /* free list item */ - xfs_bmap_free_item_t *next; + struct xfs_bmap_free_item *free; /* free list item */ if (flist->xbf_count == 0) return; - ASSERT(flist->xbf_first != NULL); - for (free = flist->xbf_first; free; free = next) { - next = free->xbfi_next; - xfs_bmap_del_free(flist, NULL, free); + while (!list_empty(&flist->xbf_flist)) { + free = list_first_entry(&flist->xbf_flist, + struct xfs_bmap_free_item, xbfi_list); + xfs_bmap_del_free(flist, free); } ASSERT(flist->xbf_count == 0); } diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index 6485403..c165b2d 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -62,12 +62,12 @@ struct xfs_bmalloca { * List of extents to be free "later". * The list is kept sorted on xbf_startblock. */ -typedef struct xfs_bmap_free_item +struct xfs_bmap_free_item { xfs_fsblock_t xbfi_startblock;/* starting fs block number */ xfs_extlen_t xbfi_blockcount;/* number of blocks in extent */ - struct xfs_bmap_free_item *xbfi_next; /* link to next entry */ -} xfs_bmap_free_item_t; + struct list_head xbfi_list; +}; /* * Header for free extent list. @@ -85,7 +85,7 @@ typedef struct xfs_bmap_free_item */ typedef struct xfs_bmap_free { - xfs_bmap_free_item_t *xbf_first; /* list of to-be-free extents */ + struct list_head xbf_flist; /* list of to-be-free extents */ int xbf_count; /* count of items on list */ int xbf_low; /* alloc in low mode */ } xfs_bmap_free_t; @@ -141,8 +141,10 @@ static inline int xfs_bmapi_aflag(int w) static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp) { - ((flp)->xbf_first = NULL, (flp)->xbf_count = 0, \ - (flp)->xbf_low = 0, *(fbp) = NULLFSBLOCK); + INIT_LIST_HEAD(&flp->xbf_flist); + flp->xbf_count = 0; + flp->xbf_low = 0; + *fbp = NULLFSBLOCK; } /* From darrick.wong@oracle.com Thu Jun 16 20:32:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B04108091 for ; Thu, 16 Jun 2016 20:32:18 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3692EAC001 for ; Thu, 16 Jun 2016 18:32:18 -0700 (PDT) X-ASG-Debug-ID: 1466127136-04cb6c542457d20001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id j5RfEIUNt0uHRlpM (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:16 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1WEWq001922 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:32:15 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1WEQ3025892 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:32:14 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1WEXP031003; Fri, 17 Jun 2016 01:32:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:13 -0700 Subject: [PATCH 014/145] xfs: create a standard btree size calculator code From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 014/145] xfs: create a standard btree size calculator code To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:12 -0700 Message-ID: <146612713249.16048.10611335362447244031.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127136 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1969 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a helper to generate AG btree height calculator functions. This will be used (much) later when we get to the refcount btree. v2: Use a helper function instead of a macro. v3: We can (theoretically) store more than 2^32 records in a btree, so widen the fields to accept that. v4: Don't modify xfs_bmap_worst_indlen; the purpose of /that/ function is to estimate the worst-case number of blocks needed for a bmbt expansion, not to calculate the space required to store nr records. Signed-off-by: Darrick J. Wong --- libxfs/xfs_btree.c | 27 +++++++++++++++++++++++++++ libxfs/xfs_btree.h | 3 +++ 2 files changed, 30 insertions(+) diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 1448fd6..27e58b2 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -4152,3 +4152,30 @@ xfs_btree_sblock_verify( return true; } + +/* + * Calculate the number of blocks needed to store a given number of records + * in a short-format (per-AG metadata) btree. + */ +xfs_extlen_t +xfs_btree_calc_size( + struct xfs_mount *mp, + uint *limits, + unsigned long long len) +{ + int level; + int maxrecs; + xfs_extlen_t rval; + + maxrecs = limits[0]; + for (level = 0, rval = 0; len > 0; level++) { + len += maxrecs - 1; + do_div(len, maxrecs); + rval += len; + if (len == 1) + return rval; + if (level == 0) + maxrecs = limits[1]; + } + return rval; +} diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 9a88839..b330f19 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -475,4 +475,7 @@ static inline int xfs_btree_get_level(struct xfs_btree_block *block) bool xfs_btree_sblock_v5hdr_verify(struct xfs_buf *bp); bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs); +xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, + unsigned long long len); + #endif /* __XFS_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:32:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4C1C98095 for ; Thu, 16 Jun 2016 20:32:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id B8C20AC003 for ; Thu, 16 Jun 2016 18:32:24 -0700 (PDT) X-ASG-Debug-ID: 1466127142-04cbb01fee69e60001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ELGHDP6WYe4fpkFU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:22 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1WKf7001980 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:21 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WKZ9027506 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:20 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WKsA026962; Fri, 17 Jun 2016 01:32:20 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:19 -0700 Subject: [PATCH 015/145] xfs: refactor btree maxlevels computation From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 015/145] xfs: refactor btree maxlevels computation To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:18 -0700 Message-ID: <146612713862.16048.9572556591745823314.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127142 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3900 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a common function to calculate the maximum height of a per-AG btree. This will eventually be used by the rmapbt and refcountbt code to calculate appropriate maxlevels values for each. This is important because the verifiers and the transaction block reservations depend on accurate estimates of many blocks are needed to satisfy a btree split. We were mistakenly using the max bnobt height for all the btrees, which creates a dangerous situation since the larger records and keys in an rmapbt make it very possible that the rmapbt will be taller than the bnobt and so we can run out of transaction block reservation. Signed-off-by: Darrick J. Wong --- libxfs/xfs_alloc.c | 15 ++------------- libxfs/xfs_btree.c | 19 +++++++++++++++++++ libxfs/xfs_btree.h | 2 ++ libxfs/xfs_ialloc.c | 19 +++++-------------- 4 files changed, 28 insertions(+), 27 deletions(-) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 2998af8..7276419 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -1835,19 +1835,8 @@ void xfs_alloc_compute_maxlevels( xfs_mount_t *mp) /* file system mount structure */ { - int level; - uint maxblocks; - uint maxleafents; - int minleafrecs; - int minnoderecs; - - maxleafents = (mp->m_sb.sb_agblocks + 1) / 2; - minleafrecs = mp->m_alloc_mnr[0]; - minnoderecs = mp->m_alloc_mnr[1]; - maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; - for (level = 1; maxblocks > 1; level++) - maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; - mp->m_ag_maxlevels = level; + mp->m_ag_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_alloc_mnr, + (mp->m_sb.sb_agblocks + 1) / 2); } /* diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 27e58b2..623841f 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -4154,6 +4154,25 @@ xfs_btree_sblock_verify( } /* + * Calculate the number of btree levels needed to store a given number of + * records in a short-format btree. + */ +uint +xfs_btree_compute_maxlevels( + struct xfs_mount *mp, + uint *limits, + unsigned long len) +{ + uint level; + unsigned long maxblocks; + + maxblocks = (len + limits[0] - 1) / limits[0]; + for (level = 1; maxblocks > 1; level++) + maxblocks = (maxblocks + limits[1] - 1) / limits[1]; + return level; +} + +/* * Calculate the number of blocks needed to store a given number of records * in a short-format (per-AG metadata) btree. */ diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index b330f19..b955e5d 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -477,5 +477,7 @@ bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs); xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, unsigned long long len); +uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, + unsigned long len); #endif /* __XFS_BTREE_H__ */ diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 4f0e4ee..249512b 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -2388,20 +2388,11 @@ void xfs_ialloc_compute_maxlevels( xfs_mount_t *mp) /* file system mount structure */ { - int level; - uint maxblocks; - uint maxleafents; - int minleafrecs; - int minnoderecs; - - maxleafents = (1LL << XFS_INO_AGINO_BITS(mp)) >> - XFS_INODES_PER_CHUNK_LOG; - minleafrecs = mp->m_inobt_mnr[0]; - minnoderecs = mp->m_inobt_mnr[1]; - maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; - for (level = 1; maxblocks > 1; level++) - maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; - mp->m_in_maxlevels = level; + uint inodes; + + inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG; + mp->m_in_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_inobt_mnr, + inodes); } /* From darrick.wong@oracle.com Thu Jun 16 20:32:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8D25080A5 for ; Thu, 16 Jun 2016 20:32:34 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5EC008F804B for ; Thu, 16 Jun 2016 18:32:34 -0700 (PDT) X-ASG-Debug-ID: 1466127151-04cbb01fec69ec0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id k8FP0gZCDU0LtDW1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:31 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1WQwI014989 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:32:27 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1WQq7026120 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:32:26 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1WQXM031030; Fri, 17 Jun 2016 01:32:26 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:26 -0700 Subject: [PATCH 016/145] xfs: during btree split, save new block key & ptr for future insertion From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 016/145] xfs: during btree split, save new block key & ptr for future insertion To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:24 -0700 Message-ID: <146612714473.16048.8382772114027261883.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127151 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10748 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When a btree block has to be split, we pass the new block's ptr from xfs_btree_split() back to xfs_btree_insert() via a pointer parameter; however, we pass the block's key through the cursor's record. It is a little weird to "initialize" a record from a key since the non-key attributes will have garbage values. When we go to add support for interval queries, we have to be able to pass the lowest and highest keys accessible via a pointer. There's no clean way to pass this back through the cursor's record field. Therefore, pass the key directly back to xfs_btree_insert() the same way that we pass the btree_ptr. As a bonus, we no longer need init_rec_from_key and can drop it from the codebase. Signed-off-by: Darrick J. Wong --- libxfs/xfs_alloc_btree.c | 12 ------------ libxfs/xfs_bmap_btree.c | 12 ------------ libxfs/xfs_btree.c | 44 ++++++++++++++++++++++---------------------- libxfs/xfs_btree.h | 2 -- libxfs/xfs_ialloc_btree.c | 10 ---------- 5 files changed, 22 insertions(+), 58 deletions(-) diff --git a/libxfs/xfs_alloc_btree.c b/libxfs/xfs_alloc_btree.c index 094135f..ff4bae4 100644 --- a/libxfs/xfs_alloc_btree.c +++ b/libxfs/xfs_alloc_btree.c @@ -210,17 +210,6 @@ xfs_allocbt_init_key_from_rec( } STATIC void -xfs_allocbt_init_rec_from_key( - union xfs_btree_key *key, - union xfs_btree_rec *rec) -{ - ASSERT(key->alloc.ar_startblock != 0); - - rec->alloc.ar_startblock = key->alloc.ar_startblock; - rec->alloc.ar_blockcount = key->alloc.ar_blockcount; -} - -STATIC void xfs_allocbt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -404,7 +393,6 @@ static const struct xfs_btree_ops xfs_allocbt_ops = { .get_minrecs = xfs_allocbt_get_minrecs, .get_maxrecs = xfs_allocbt_get_maxrecs, .init_key_from_rec = xfs_allocbt_init_key_from_rec, - .init_rec_from_key = xfs_allocbt_init_rec_from_key, .init_rec_from_cur = xfs_allocbt_init_rec_from_cur, .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, .key_diff = xfs_allocbt_key_diff, diff --git a/libxfs/xfs_bmap_btree.c b/libxfs/xfs_bmap_btree.c index 022d4b6..2ae701e 100644 --- a/libxfs/xfs_bmap_btree.c +++ b/libxfs/xfs_bmap_btree.c @@ -597,17 +597,6 @@ xfs_bmbt_init_key_from_rec( } STATIC void -xfs_bmbt_init_rec_from_key( - union xfs_btree_key *key, - union xfs_btree_rec *rec) -{ - ASSERT(key->bmbt.br_startoff != 0); - - xfs_bmbt_disk_set_allf(&rec->bmbt, be64_to_cpu(key->bmbt.br_startoff), - 0, 0, XFS_EXT_NORM); -} - -STATIC void xfs_bmbt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -757,7 +746,6 @@ static const struct xfs_btree_ops xfs_bmbt_ops = { .get_minrecs = xfs_bmbt_get_minrecs, .get_dmaxrecs = xfs_bmbt_get_dmaxrecs, .init_key_from_rec = xfs_bmbt_init_key_from_rec, - .init_rec_from_key = xfs_bmbt_init_rec_from_key, .init_rec_from_cur = xfs_bmbt_init_rec_from_cur, .init_ptr_from_cur = xfs_bmbt_init_ptr_from_cur, .key_diff = xfs_bmbt_key_diff, diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 623841f..9a92c65 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -2858,10 +2858,9 @@ xfs_btree_make_block_unfull( int *index, /* new tree index */ union xfs_btree_ptr *nptr, /* new btree ptr */ struct xfs_btree_cur **ncur, /* new btree cursor */ - union xfs_btree_rec *nrec, /* new record */ + union xfs_btree_key *key, /* key of new block */ int *stat) { - union xfs_btree_key key; /* new btree key value */ int error = 0; if ((cur->bc_flags & XFS_BTREE_ROOT_IN_INODE) && @@ -2906,13 +2905,12 @@ xfs_btree_make_block_unfull( * If this works we have to re-set our variables because we * could be in a different block now. */ - error = xfs_btree_split(cur, level, nptr, &key, ncur, stat); + error = xfs_btree_split(cur, level, nptr, key, ncur, stat); if (error || *stat == 0) return error; *index = cur->bc_ptrs[level]; - cur->bc_ops->init_rec_from_key(&key, nrec); return 0; } @@ -2925,16 +2923,16 @@ xfs_btree_insrec( struct xfs_btree_cur *cur, /* btree cursor */ int level, /* level to insert record at */ union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ - union xfs_btree_rec *recp, /* i/o: record data inserted */ + union xfs_btree_key *key, /* i/o: block key for ptrp */ struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ int *stat) /* success/failure */ { struct xfs_btree_block *block; /* btree block */ struct xfs_buf *bp; /* buffer for block */ - union xfs_btree_key key; /* btree key */ union xfs_btree_ptr nptr; /* new block ptr */ struct xfs_btree_cur *ncur; /* new btree cursor */ - union xfs_btree_rec nrec; /* new record count */ + union xfs_btree_key nkey; /* new block key */ + union xfs_btree_rec rec; /* record to insert */ int optr; /* old key/record index */ int ptr; /* key/record index */ int numrecs;/* number of records */ @@ -2943,8 +2941,14 @@ xfs_btree_insrec( int i; #endif + /* Make a key out of the record data to be inserted, and save it. */ + if (level == 0) { + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(key, &rec); + } + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); - XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, recp); + XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, &rec); ncur = NULL; @@ -2969,9 +2973,6 @@ xfs_btree_insrec( return 0; } - /* Make a key out of the record data to be inserted, and save it. */ - cur->bc_ops->init_key_from_rec(&key, recp); - optr = ptr; XFS_BTREE_STATS_INC(cur, insrec); @@ -2988,10 +2989,10 @@ xfs_btree_insrec( /* Check that the new entry is being inserted in the right place. */ if (ptr <= numrecs) { if (level == 0) { - ASSERT(cur->bc_ops->recs_inorder(cur, recp, + ASSERT(cur->bc_ops->recs_inorder(cur, &rec, xfs_btree_rec_addr(cur, ptr, block))); } else { - ASSERT(cur->bc_ops->keys_inorder(cur, &key, + ASSERT(cur->bc_ops->keys_inorder(cur, key, xfs_btree_key_addr(cur, ptr, block))); } } @@ -3004,7 +3005,7 @@ xfs_btree_insrec( xfs_btree_set_ptr_null(cur, &nptr); if (numrecs == cur->bc_ops->get_maxrecs(cur, level)) { error = xfs_btree_make_block_unfull(cur, level, numrecs, - &optr, &ptr, &nptr, &ncur, &nrec, stat); + &optr, &ptr, &nptr, &ncur, &nkey, stat); if (error || *stat == 0) goto error0; } @@ -3054,7 +3055,7 @@ xfs_btree_insrec( #endif /* Now put the new data in, bump numrecs and log it. */ - xfs_btree_copy_keys(cur, kp, &key, 1); + xfs_btree_copy_keys(cur, kp, key, 1); xfs_btree_copy_ptrs(cur, pp, ptrp, 1); numrecs++; xfs_btree_set_numrecs(block, numrecs); @@ -3075,7 +3076,7 @@ xfs_btree_insrec( xfs_btree_shift_recs(cur, rp, 1, numrecs - ptr + 1); /* Now put the new data in, bump numrecs and log it. */ - xfs_btree_copy_recs(cur, rp, recp, 1); + xfs_btree_copy_recs(cur, rp, &rec, 1); xfs_btree_set_numrecs(block, ++numrecs); xfs_btree_log_recs(cur, bp, ptr, numrecs); #ifdef DEBUG @@ -3091,7 +3092,7 @@ xfs_btree_insrec( /* If we inserted at the start of a block, update the parents' keys. */ if (optr == 1) { - error = xfs_btree_updkey(cur, &key, level + 1); + error = xfs_btree_updkey(cur, key, level + 1); if (error) goto error0; } @@ -3101,7 +3102,7 @@ xfs_btree_insrec( * we are at the far right edge of the tree, update it. */ if (xfs_btree_is_lastrec(cur, block, level)) { - cur->bc_ops->update_lastrec(cur, block, recp, + cur->bc_ops->update_lastrec(cur, block, &rec, ptr, LASTREC_INSREC); } @@ -3111,7 +3112,7 @@ xfs_btree_insrec( */ *ptrp = nptr; if (!xfs_btree_ptr_is_null(cur, &nptr)) { - *recp = nrec; + *key = nkey; *curp = ncur; } @@ -3142,14 +3143,13 @@ xfs_btree_insert( union xfs_btree_ptr nptr; /* new block number (split result) */ struct xfs_btree_cur *ncur; /* new cursor (split result) */ struct xfs_btree_cur *pcur; /* previous level's cursor */ - union xfs_btree_rec rec; /* record to insert */ + union xfs_btree_key key; /* key of block to insert */ level = 0; ncur = NULL; pcur = cur; xfs_btree_set_ptr_null(cur, &nptr); - cur->bc_ops->init_rec_from_cur(cur, &rec); /* * Loop going up the tree, starting at the leaf level. @@ -3161,7 +3161,7 @@ xfs_btree_insert( * Insert nrec/nptr into this level of the tree. * Note if we fail, nptr will be null. */ - error = xfs_btree_insrec(pcur, level, &nptr, &rec, &ncur, &i); + error = xfs_btree_insrec(pcur, level, &nptr, &key, &ncur, &i); if (error) { if (pcur != cur) xfs_btree_del_cursor(pcur, XFS_BTREE_ERROR); diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index b955e5d..b99c018 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -158,8 +158,6 @@ struct xfs_btree_ops { /* init values of btree structures */ void (*init_key_from_rec)(union xfs_btree_key *key, union xfs_btree_rec *rec); - void (*init_rec_from_key)(union xfs_btree_key *key, - union xfs_btree_rec *rec); void (*init_rec_from_cur)(struct xfs_btree_cur *cur, union xfs_btree_rec *rec); void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, diff --git a/libxfs/xfs_ialloc_btree.c b/libxfs/xfs_ialloc_btree.c index 0a7d985..cd61419 100644 --- a/libxfs/xfs_ialloc_btree.c +++ b/libxfs/xfs_ialloc_btree.c @@ -145,14 +145,6 @@ xfs_inobt_init_key_from_rec( } STATIC void -xfs_inobt_init_rec_from_key( - union xfs_btree_key *key, - union xfs_btree_rec *rec) -{ - rec->inobt.ir_startino = key->inobt.ir_startino; -} - -STATIC void xfs_inobt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -313,7 +305,6 @@ static const struct xfs_btree_ops xfs_inobt_ops = { .get_minrecs = xfs_inobt_get_minrecs, .get_maxrecs = xfs_inobt_get_maxrecs, .init_key_from_rec = xfs_inobt_init_key_from_rec, - .init_rec_from_key = xfs_inobt_init_rec_from_key, .init_rec_from_cur = xfs_inobt_init_rec_from_cur, .init_ptr_from_cur = xfs_inobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, @@ -335,7 +326,6 @@ static const struct xfs_btree_ops xfs_finobt_ops = { .get_minrecs = xfs_inobt_get_minrecs, .get_maxrecs = xfs_inobt_get_maxrecs, .init_key_from_rec = xfs_inobt_init_key_from_rec, - .init_rec_from_key = xfs_inobt_init_rec_from_key, .init_rec_from_cur = xfs_inobt_init_rec_from_cur, .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, From darrick.wong@oracle.com Thu Jun 16 20:32:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 954048029 for ; Thu, 16 Jun 2016 20:32:39 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 474DB8F804B for ; Thu, 16 Jun 2016 18:32:39 -0700 (PDT) X-ASG-Debug-ID: 1466127154-04bdf01e1595fd0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id cB8Fl9XL8ro9R3Zu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:35 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1WXaG002027 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:34 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WXgm000331 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:33 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WWbS022297; Fri, 17 Jun 2016 01:32:33 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:32 -0700 Subject: [PATCH 017/145] xfs: support btrees with overlapping intervals for keys From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 017/145] xfs: support btrees with overlapping intervals for keys To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:30 -0700 Message-ID: <146612715094.16048.7140890681695021236.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127155 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 24791 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On a filesystem with both reflink and reverse mapping enabled, it's possible to have multiple rmap records referring to the same blocks on disk. When overlapping intervals are possible, querying a classic btree to find all records intersecting a given interval is inefficient because we cannot use the left side of the search interval to filter out non-matching records the same way that we can use the existing btree key to filter out records coming after the right side of the search interval. This will become important once we want to use the rmap btree to rebuild BMBTs, or implement the (future) fsmap ioctl. (For the non-overlapping case, we can perform such queries trivially by starting at the left side of the interval and walking the tree until we pass the right side.) Therefore, extend the btree code to come closer to supporting intervals as a first-class record attribute. This involves widening the btree node's key space to store both the lowest key reachable via the node pointer (as the btree does now) and the highest key reachable via the same pointer and teaching the btree modifying functions to keep the highest-key records up to date. This behavior can be turned on via a new btree ops flag so that btrees that cannot store overlapping intervals don't pay the overhead costs in terms of extra code and disk format changes. v2: When we're deleting a record in a btree that supports overlapped interval records and the deletion results in two btree blocks being joined, we defer updating the high/low keys until after all possible joining (at higher levels in the tree) have finished. At this point, the btree pointers at all levels have been updated to remove the empty blocks and we can update the low and high keys. When we're doing this, we must be careful to update the keys of all node pointers up to the root instead of stopping at the first set of keys that don't need updating. This is because it's possible for a single deletion to cause joining of multiple levels of tree, and so we need to update everything going back to the root. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 2 libxfs/xfs_btree.c | 379 ++++++++++++++++++++++++++++++++++++++++++++++----- libxfs/xfs_btree.h | 16 ++ 3 files changed, 361 insertions(+), 36 deletions(-) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 423772f..aea41bc 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -166,6 +166,8 @@ #define trace_xfs_extlist(a,b,c,d) ((void) 0) #define trace_xfs_bunmap(a,b,c,d,e) ((void) 0) +#define trace_xfs_btree_updkeys(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 9a92c65..7fa0226 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -48,6 +48,11 @@ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] +struct xfs_btree_double_key { + union xfs_btree_key low; + union xfs_btree_key high; +}; + STATIC int /* error (0 or EFSCORRUPTED) */ xfs_btree_check_lblock( struct xfs_btree_cur *cur, /* btree cursor */ @@ -424,6 +429,30 @@ xfs_btree_dup_cursor( * into a btree block (xfs_btree_*_offset) or return a pointer to the given * record, key or pointer (xfs_btree_*_addr). Note that all addressing * inside the btree block is done using indices starting at one, not zero! + * + * If XFS_BTREE_OVERLAPPING is set, then this btree supports keys containing + * overlapping intervals. In such a tree, records are still sorted lowest to + * highest and indexed by the smallest key value that refers to the record. + * However, nodes are different: each pointer has two associated keys -- one + * indexing the lowest key available in the block(s) below (the same behavior + * as the key in a regular btree) and another indexing the highest key + * available in the block(s) below. Because records are /not/ sorted by the + * highest key, all leaf block updates require us to compute the highest key + * that matches any record in the leaf and to recursively update the high keys + * in the nodes going further up in the tree, if necessary. Nodes look like + * this: + * + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ + * Non-Leaf: | header | lo1 | hi1 | lo2 | hi2 | ... | ptr 1 | ptr 2 | ... | + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ + * + * To perform an interval query on an overlapped tree, perform the usual + * depth-first search and use the low and high keys to decide if we can skip + * that particular node. If a leaf node is reached, return the records that + * intersect the interval. Note that an interval query may return numerous + * entries. For a non-overlapped tree, simply search for the record associated + * with the lowest key and iterate forward until a non-matching record is + * found. */ /* @@ -441,6 +470,17 @@ static inline size_t xfs_btree_block_len(struct xfs_btree_cur *cur) return XFS_BTREE_SBLOCK_LEN; } +/* Return size of btree block keys for this btree instance. */ +static inline size_t xfs_btree_key_len(struct xfs_btree_cur *cur) +{ + size_t len; + + len = cur->bc_ops->key_len; + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) + len *= 2; + return len; +} + /* * Return size of btree block pointers for this btree instance. */ @@ -471,7 +511,19 @@ xfs_btree_key_offset( int n) { return xfs_btree_block_len(cur) + - (n - 1) * cur->bc_ops->key_len; + (n - 1) * xfs_btree_key_len(cur); +} + +/* + * Calculate offset of the n-th high key in a btree block. + */ +STATIC size_t +xfs_btree_high_key_offset( + struct xfs_btree_cur *cur, + int n) +{ + return xfs_btree_block_len(cur) + + (n - 1) * xfs_btree_key_len(cur) + cur->bc_ops->key_len; } /* @@ -484,7 +536,7 @@ xfs_btree_ptr_offset( int level) { return xfs_btree_block_len(cur) + - cur->bc_ops->get_maxrecs(cur, level) * cur->bc_ops->key_len + + cur->bc_ops->get_maxrecs(cur, level) * xfs_btree_key_len(cur) + (n - 1) * xfs_btree_ptr_len(cur); } @@ -515,6 +567,19 @@ xfs_btree_key_addr( } /* + * Return a pointer to the n-th high key in the btree block. + */ +STATIC union xfs_btree_key * +xfs_btree_high_key_addr( + struct xfs_btree_cur *cur, + int n, + struct xfs_btree_block *block) +{ + return (union xfs_btree_key *) + ((char *)block + xfs_btree_high_key_offset(cur, n)); +} + +/* * Return a pointer to the n-th block pointer in the btree block. */ STATIC union xfs_btree_ptr * @@ -1213,7 +1278,7 @@ xfs_btree_copy_keys( int numkeys) { ASSERT(numkeys >= 0); - memcpy(dst_key, src_key, numkeys * cur->bc_ops->key_len); + memcpy(dst_key, src_key, numkeys * xfs_btree_key_len(cur)); } /* @@ -1259,8 +1324,8 @@ xfs_btree_shift_keys( ASSERT(numkeys >= 0); ASSERT(dir == 1 || dir == -1); - dst_key = (char *)key + (dir * cur->bc_ops->key_len); - memmove(dst_key, key, numkeys * cur->bc_ops->key_len); + dst_key = (char *)key + (dir * xfs_btree_key_len(cur)); + memmove(dst_key, key, numkeys * xfs_btree_key_len(cur)); } /* @@ -1875,6 +1940,180 @@ error0: return error; } +/* Determine the low and high keys of a leaf block */ +STATIC void +xfs_btree_find_leaf_keys( + struct xfs_btree_cur *cur, + struct xfs_btree_block *block, + union xfs_btree_key *low, + union xfs_btree_key *high) +{ + int n; + union xfs_btree_rec *rec; + union xfs_btree_key max_hkey; + union xfs_btree_key hkey; + + rec = xfs_btree_rec_addr(cur, 1, block); + cur->bc_ops->init_key_from_rec(low, rec); + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return; + + cur->bc_ops->init_high_key_from_rec(&max_hkey, rec); + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { + rec = xfs_btree_rec_addr(cur, n, block); + cur->bc_ops->init_high_key_from_rec(&hkey, rec); + if (cur->bc_ops->diff_two_keys(cur, &max_hkey, &hkey) > 0) + max_hkey = hkey; + } + + *high = max_hkey; +} + +/* Determine the low and high keys of a node block */ +STATIC void +xfs_btree_find_node_keys( + struct xfs_btree_cur *cur, + struct xfs_btree_block *block, + union xfs_btree_key *low, + union xfs_btree_key *high) +{ + int n; + union xfs_btree_key *hkey; + union xfs_btree_key *max_hkey; + + *low = *xfs_btree_key_addr(cur, 1, block); + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return; + + max_hkey = xfs_btree_high_key_addr(cur, 1, block); + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { + hkey = xfs_btree_high_key_addr(cur, n, block); + if (cur->bc_ops->diff_two_keys(cur, max_hkey, hkey) > 0) + max_hkey = hkey; + } + + *high = *max_hkey; +} + +/* + * Update parental low & high keys from some block all the way back to the + * root of the btree. + */ +STATIC int +__xfs_btree_updkeys( + struct xfs_btree_cur *cur, + int level, + struct xfs_btree_block *block, + struct xfs_buf *bp0, + bool force_all) +{ + union xfs_btree_key lkey; /* keys from current level */ + union xfs_btree_key hkey; + union xfs_btree_key *nlkey; /* keys from the next level up */ + union xfs_btree_key *nhkey; + struct xfs_buf *bp; + int ptr = -1; + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return 0; + + if (level + 1 >= cur->bc_nlevels) + return 0; + + trace_xfs_btree_updkeys(cur, level, bp0); + + if (level == 0) + xfs_btree_find_leaf_keys(cur, block, &lkey, &hkey); + else + xfs_btree_find_node_keys(cur, block, &lkey, &hkey); + for (level++; level < cur->bc_nlevels; level++) { + block = xfs_btree_get_block(cur, level, &bp); + trace_xfs_btree_updkeys(cur, level, bp); + ptr = cur->bc_ptrs[level]; + nlkey = xfs_btree_key_addr(cur, ptr, block); + nhkey = xfs_btree_high_key_addr(cur, ptr, block); + if (!(cur->bc_ops->diff_two_keys(cur, nlkey, &lkey) != 0 || + cur->bc_ops->diff_two_keys(cur, nhkey, &hkey) != 0) && + !force_all) + break; + memcpy(nlkey, &lkey, cur->bc_ops->key_len); + memcpy(nhkey, &hkey, cur->bc_ops->key_len); + xfs_btree_log_keys(cur, bp, ptr, ptr); + if (level + 1 >= cur->bc_nlevels) + break; + xfs_btree_find_node_keys(cur, block, &lkey, &hkey); + } + + return 0; +} + +/* + * Update all the keys from a sibling block at some level in the cursor back + * to the root, stopping when we find a key pair that doesn't need updating. + */ +STATIC int +xfs_btree_sibling_updkeys( + struct xfs_btree_cur *cur, + int level, + int ptr, + struct xfs_btree_block *block, + struct xfs_buf *bp0) +{ + struct xfs_btree_cur *ncur; + int stat; + int error; + + error = xfs_btree_dup_cursor(cur, &ncur); + if (error) + return error; + + if (level + 1 >= ncur->bc_nlevels) + error = -EDOM; + else if (ptr == XFS_BB_RIGHTSIB) + error = xfs_btree_increment(ncur, level + 1, &stat); + else if (ptr == XFS_BB_LEFTSIB) + error = xfs_btree_decrement(ncur, level + 1, &stat); + else + error = -EBADE; + if (error || !stat) + return error; + + error = __xfs_btree_updkeys(ncur, level, block, bp0, false); + xfs_btree_del_cursor(ncur, XFS_BTREE_NOERROR); + return error; +} + +/* + * Update all the keys from some level in cursor back to the root, stopping + * when we find a key pair that don't need updating. + */ +STATIC int +xfs_btree_updkeys( + struct xfs_btree_cur *cur, + int level) +{ + struct xfs_buf *bp; + struct xfs_btree_block *block; + + block = xfs_btree_get_block(cur, level, &bp); + return __xfs_btree_updkeys(cur, level, block, bp, false); +} + +/* Update all the keys from some level in cursor back to the root. */ +STATIC int +xfs_btree_updkeys_force( + struct xfs_btree_cur *cur, + int level) +{ + struct xfs_buf *bp; + struct xfs_btree_block *block; + + block = xfs_btree_get_block(cur, level, &bp); + return __xfs_btree_updkeys(cur, level, block, bp, true); +} + /* * Update keys at all levels from here to the root along the cursor's path. */ @@ -1889,6 +2128,9 @@ xfs_btree_updkey( union xfs_btree_key *kp; int ptr; + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) + return 0; + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); XFS_BTREE_TRACE_ARGIK(cur, level, keyp); @@ -1966,7 +2208,8 @@ xfs_btree_update( ptr, LASTREC_UPDATE); } - /* Updating first rec in leaf. Pass new key value up to our parent. */ + /* Pass new key value up to our parent. */ + xfs_btree_updkeys(cur, 0); if (ptr == 1) { union xfs_btree_key key; @@ -2145,7 +2388,9 @@ xfs_btree_lshift( rkp = &key; } - /* Update the parent key values of right. */ + /* Update the parent key values of left and right. */ + xfs_btree_sibling_updkeys(cur, level, XFS_BB_LEFTSIB, left, lbp); + xfs_btree_updkeys(cur, level); error = xfs_btree_updkey(cur, rkp, level + 1); if (error) goto error0; @@ -2317,6 +2562,9 @@ xfs_btree_rshift( if (error) goto error1; + /* Update left and right parent pointers */ + xfs_btree_updkeys(cur, level); + xfs_btree_updkeys(tcur, level); error = xfs_btree_updkey(tcur, rkp, level + 1); if (error) goto error1; @@ -2352,7 +2600,7 @@ __xfs_btree_split( struct xfs_btree_cur *cur, int level, union xfs_btree_ptr *ptrp, - union xfs_btree_key *key, + struct xfs_btree_double_key *key, struct xfs_btree_cur **curp, int *stat) /* success/failure */ { @@ -2448,9 +2696,6 @@ __xfs_btree_split( xfs_btree_log_keys(cur, rbp, 1, rrecs); xfs_btree_log_ptrs(cur, rbp, 1, rrecs); - - /* Grab the keys to the entries moved to the right block */ - xfs_btree_copy_keys(cur, key, rkp, 1); } else { /* It's a leaf. Move records. */ union xfs_btree_rec *lrp; /* left record pointer */ @@ -2461,12 +2706,8 @@ __xfs_btree_split( xfs_btree_copy_recs(cur, rrp, lrp, rrecs); xfs_btree_log_recs(cur, rbp, 1, rrecs); - - cur->bc_ops->init_key_from_rec(key, - xfs_btree_rec_addr(cur, 1, right)); } - /* * Find the left block number by looking in the buffer. * Adjust numrecs, sibling pointers. @@ -2480,6 +2721,12 @@ __xfs_btree_split( xfs_btree_set_numrecs(left, lrecs); xfs_btree_set_numrecs(right, xfs_btree_get_numrecs(right) + rrecs); + /* Find the low & high keys for the new block. */ + if (level > 0) + xfs_btree_find_node_keys(cur, right, &key->low, &key->high); + else + xfs_btree_find_leaf_keys(cur, right, &key->low, &key->high); + xfs_btree_log_block(cur, rbp, XFS_BB_ALL_BITS); xfs_btree_log_block(cur, lbp, XFS_BB_NUMRECS | XFS_BB_RIGHTSIB); @@ -2495,6 +2742,10 @@ __xfs_btree_split( xfs_btree_set_sibling(cur, rrblock, &rptr, XFS_BB_LEFTSIB); xfs_btree_log_block(cur, rrbp, XFS_BB_LEFTSIB); } + + /* Update the left block's keys... */ + xfs_btree_updkeys(cur, level); + /* * If the cursor is really in the right block, move it there. * If it's just pointing past the last entry in left, then we'll @@ -2533,7 +2784,7 @@ struct xfs_btree_split_args { struct xfs_btree_cur *cur; int level; union xfs_btree_ptr *ptrp; - union xfs_btree_key *key; + struct xfs_btree_double_key *key; struct xfs_btree_cur **curp; int *stat; /* success/failure */ int result; @@ -2582,7 +2833,7 @@ xfs_btree_split( struct xfs_btree_cur *cur, int level, union xfs_btree_ptr *ptrp, - union xfs_btree_key *key, + struct xfs_btree_double_key *key, struct xfs_btree_cur **curp, int *stat) /* success/failure */ { @@ -2802,27 +3053,27 @@ xfs_btree_new_root( bp = lbp; nptr = 2; } + /* Fill in the new block's btree header and log it. */ xfs_btree_init_block_cur(cur, nbp, cur->bc_nlevels, 2); xfs_btree_log_block(cur, nbp, XFS_BB_ALL_BITS); ASSERT(!xfs_btree_ptr_is_null(cur, &lptr) && !xfs_btree_ptr_is_null(cur, &rptr)); - /* Fill in the key data in the new root. */ if (xfs_btree_get_level(left) > 0) { - xfs_btree_copy_keys(cur, + xfs_btree_find_node_keys(cur, left, xfs_btree_key_addr(cur, 1, new), - xfs_btree_key_addr(cur, 1, left), 1); - xfs_btree_copy_keys(cur, + xfs_btree_high_key_addr(cur, 1, new)); + xfs_btree_find_node_keys(cur, right, xfs_btree_key_addr(cur, 2, new), - xfs_btree_key_addr(cur, 1, right), 1); + xfs_btree_high_key_addr(cur, 2, new)); } else { - cur->bc_ops->init_key_from_rec( - xfs_btree_key_addr(cur, 1, new), - xfs_btree_rec_addr(cur, 1, left)); - cur->bc_ops->init_key_from_rec( - xfs_btree_key_addr(cur, 2, new), - xfs_btree_rec_addr(cur, 1, right)); + xfs_btree_find_leaf_keys(cur, left, + xfs_btree_key_addr(cur, 1, new), + xfs_btree_high_key_addr(cur, 1, new)); + xfs_btree_find_leaf_keys(cur, right, + xfs_btree_key_addr(cur, 2, new), + xfs_btree_high_key_addr(cur, 2, new)); } xfs_btree_log_keys(cur, nbp, 1, 2); @@ -2833,6 +3084,7 @@ xfs_btree_new_root( xfs_btree_ptr_addr(cur, 2, new), &rptr, 1); xfs_btree_log_ptrs(cur, nbp, 1, 2); + /* Fix up the cursor. */ xfs_btree_setbuf(cur, cur->bc_nlevels, nbp); cur->bc_ptrs[cur->bc_nlevels] = nptr; @@ -2858,7 +3110,7 @@ xfs_btree_make_block_unfull( int *index, /* new tree index */ union xfs_btree_ptr *nptr, /* new btree ptr */ struct xfs_btree_cur **ncur, /* new btree cursor */ - union xfs_btree_key *key, /* key of new block */ + struct xfs_btree_double_key *key, /* key of new block */ int *stat) { int error = 0; @@ -2914,6 +3166,22 @@ xfs_btree_make_block_unfull( return 0; } +/* Copy a double key into a btree block. */ +static void +xfs_btree_copy_double_keys( + struct xfs_btree_cur *cur, + int ptr, + struct xfs_btree_block *block, + struct xfs_btree_double_key *key) +{ + memcpy(xfs_btree_key_addr(cur, ptr, block), &key->low, + cur->bc_ops->key_len); + + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) + memcpy(xfs_btree_high_key_addr(cur, ptr, block), &key->high, + cur->bc_ops->key_len); +} + /* * Insert one record/level. Return information to the caller * allowing the next level up to proceed if necessary. @@ -2923,7 +3191,7 @@ xfs_btree_insrec( struct xfs_btree_cur *cur, /* btree cursor */ int level, /* level to insert record at */ union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ - union xfs_btree_key *key, /* i/o: block key for ptrp */ + struct xfs_btree_double_key *key, /* i/o: block key for ptrp */ struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ int *stat) /* success/failure */ { @@ -2931,7 +3199,7 @@ xfs_btree_insrec( struct xfs_buf *bp; /* buffer for block */ union xfs_btree_ptr nptr; /* new block ptr */ struct xfs_btree_cur *ncur; /* new btree cursor */ - union xfs_btree_key nkey; /* new block key */ + struct xfs_btree_double_key nkey; /* new block key */ union xfs_btree_rec rec; /* record to insert */ int optr; /* old key/record index */ int ptr; /* key/record index */ @@ -2940,11 +3208,12 @@ xfs_btree_insrec( #ifdef DEBUG int i; #endif + xfs_daddr_t old_bn; /* Make a key out of the record data to be inserted, and save it. */ if (level == 0) { cur->bc_ops->init_rec_from_cur(cur, &rec); - cur->bc_ops->init_key_from_rec(key, &rec); + cur->bc_ops->init_key_from_rec(&key->low, &rec); } XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); @@ -2979,6 +3248,7 @@ xfs_btree_insrec( /* Get pointers to the btree buffer and block. */ block = xfs_btree_get_block(cur, level, &bp); + old_bn = bp ? bp->b_bn : XFS_BUF_DADDR_NULL; numrecs = xfs_btree_get_numrecs(block); #ifdef DEBUG @@ -2992,7 +3262,7 @@ xfs_btree_insrec( ASSERT(cur->bc_ops->recs_inorder(cur, &rec, xfs_btree_rec_addr(cur, ptr, block))); } else { - ASSERT(cur->bc_ops->keys_inorder(cur, key, + ASSERT(cur->bc_ops->keys_inorder(cur, &key->low, xfs_btree_key_addr(cur, ptr, block))); } } @@ -3055,7 +3325,7 @@ xfs_btree_insrec( #endif /* Now put the new data in, bump numrecs and log it. */ - xfs_btree_copy_keys(cur, kp, key, 1); + xfs_btree_copy_double_keys(cur, ptr, block, key); xfs_btree_copy_ptrs(cur, pp, ptrp, 1); numrecs++; xfs_btree_set_numrecs(block, numrecs); @@ -3091,8 +3361,24 @@ xfs_btree_insrec( xfs_btree_log_block(cur, bp, XFS_BB_NUMRECS); /* If we inserted at the start of a block, update the parents' keys. */ + if (ncur && bp->b_bn != old_bn) { + /* + * We just inserted into a new tree block, which means that + * the key for the block is in nkey, not the tree. + */ + if (level == 0) + xfs_btree_find_leaf_keys(cur, block, &nkey.low, + &nkey.high); + else + xfs_btree_find_node_keys(cur, block, &nkey.low, + &nkey.high); + } else { + /* Updating the left block, do it the standard way. */ + xfs_btree_updkeys(cur, level); + } + if (optr == 1) { - error = xfs_btree_updkey(cur, key, level + 1); + error = xfs_btree_updkey(cur, &key->low, level + 1); if (error) goto error0; } @@ -3143,7 +3429,7 @@ xfs_btree_insert( union xfs_btree_ptr nptr; /* new block number (split result) */ struct xfs_btree_cur *ncur; /* new cursor (split result) */ struct xfs_btree_cur *pcur; /* previous level's cursor */ - union xfs_btree_key key; /* key of block to insert */ + struct xfs_btree_double_key key; /* key of block to insert */ level = 0; ncur = NULL; @@ -3548,6 +3834,7 @@ xfs_btree_delrec( * If we deleted the leftmost entry in the block, update the * key values above us in the tree. */ + xfs_btree_updkeys(cur, level); if (ptr == 1) { error = xfs_btree_updkey(cur, keyp, level + 1); if (error) @@ -3878,6 +4165,16 @@ xfs_btree_delrec( if (level > 0) cur->bc_ptrs[level]--; + /* + * We combined blocks, so we have to update the parent keys if the + * btree supports overlapped intervals. However, bc_ptrs[level + 1] + * points to the old block so that the caller knows which record to + * delete. Therefore, the caller must be savvy enough to call updkeys + * for us if we return stat == 2. The other exit points from this + * function don't require deletions further up the tree, so they can + * call updkeys directly. + */ + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); /* Return value means the next level up has something to do. */ *stat = 2; @@ -3903,6 +4200,7 @@ xfs_btree_delete( int error; /* error return value */ int level; int i; + bool joined = false; XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); @@ -3916,8 +4214,17 @@ xfs_btree_delete( error = xfs_btree_delrec(cur, level, &i); if (error) goto error0; + if (i == 2) + joined = true; } + /* + * If we combined blocks as part of deleting the record, delrec won't + * have updated the parent keys so we have to do that here. + */ + if (joined) + xfs_btree_updkeys_force(cur, 0); + if (i == 0) { for (level = 1; level < cur->bc_nlevels; level++) { if (cur->bc_ptrs[level] == 0) { diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index b99c018..a5ec6c7 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -126,6 +126,9 @@ struct xfs_btree_ops { size_t key_len; size_t rec_len; + /* flags */ + uint flags; + /* cursor operations */ struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); void (*update_cursor)(struct xfs_btree_cur *src, @@ -162,11 +165,21 @@ struct xfs_btree_ops { union xfs_btree_rec *rec); void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, union xfs_btree_ptr *ptr); + void (*init_high_key_from_rec)(union xfs_btree_key *key, + union xfs_btree_rec *rec); /* difference between key value and cursor value */ __int64_t (*key_diff)(struct xfs_btree_cur *cur, union xfs_btree_key *key); + /* + * Difference between key2 and key1 -- positive if key2 > key1, + * negative if key2 < key1, and zero if equal. + */ + __int64_t (*diff_two_keys)(struct xfs_btree_cur *cur, + union xfs_btree_key *key1, + union xfs_btree_key *key2); + const struct xfs_buf_ops *buf_ops; #if defined(DEBUG) || defined(XFS_WARN) @@ -182,6 +195,9 @@ struct xfs_btree_ops { #endif }; +/* btree ops flags */ +#define XFS_BTREE_OPS_OVERLAPPING (1<<0) /* overlapping intervals */ + /* * Reasons for the update_lastrec method to be called. */ From darrick.wong@oracle.com Thu Jun 16 20:32:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 153358028 for ; Thu, 16 Jun 2016 20:32:47 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B9961304051 for ; Thu, 16 Jun 2016 18:32:46 -0700 (PDT) X-ASG-Debug-ID: 1466127164-04bdf01e1595fe0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 8FNK1vYKd8qdVixu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:44 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1We9X015098 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:40 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WdmZ000406 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:39 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WcPK022304; Fri, 17 Jun 2016 01:32:39 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:38 -0700 Subject: [PATCH 018/145] xfs: introduce interval queries on btrees From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 018/145] xfs: introduce interval queries on btrees To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:37 -0700 Message-ID: <146612715724.16048.14399268311501387097.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127164 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10068 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a function to enable querying of btree records mapping to a range of keys. This will be used in subsequent patches to allow querying the reverse mapping btree to find the extents mapped to a range of physical blocks, though the generic code can be used for any range query. v2: add some shortcuts so that we can jump out of processing once we know there won't be any more records to find. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 1 libxfs/xfs_btree.c | 249 +++++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_btree.h | 22 +++-- 3 files changed, 267 insertions(+), 5 deletions(-) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index aea41bc..56c4533 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -167,6 +167,7 @@ #define trace_xfs_bunmap(a,b,c,d,e) ((void) 0) #define trace_xfs_btree_updkeys(...) ((void) 0) +#define trace_xfs_btree_overlapped_query_range(...) ((void) 0) /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 7fa0226..7a34aa1 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -4505,3 +4505,252 @@ xfs_btree_calc_size( } return rval; } + +/* Query a regular btree for all records overlapping a given interval. */ +STATIC int +xfs_btree_simple_query_range( + struct xfs_btree_cur *cur, + union xfs_btree_irec *low_rec, + union xfs_btree_irec *high_rec, + xfs_btree_query_range_fn fn, + void *priv) +{ + union xfs_btree_rec *recp; + union xfs_btree_rec rec; + union xfs_btree_key low_key; + union xfs_btree_key high_key; + union xfs_btree_key rec_key; + __int64_t diff; + int stat; + bool firstrec = true; + int error; + + ASSERT(cur->bc_ops->init_high_key_from_rec); + + /* Find the keys of both ends of the interval. */ + cur->bc_rec = *high_rec; + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(&high_key, &rec); + + cur->bc_rec = *low_rec; + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(&low_key, &rec); + + /* Find the leftmost record. */ + stat = 0; + error = xfs_btree_lookup(cur, XFS_LOOKUP_LE, &stat); + if (error) + goto out; + + while (stat) { + /* Find the record. */ + error = xfs_btree_get_rec(cur, &recp, &stat); + if (error || !stat) + break; + + /* Can we tell if this record is too low? */ + if (firstrec) { + cur->bc_rec = *low_rec; + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); + diff = cur->bc_ops->key_diff(cur, &rec_key); + if (diff < 0) + goto advloop; + } + firstrec = false; + + /* Have we gone past the end? */ + cur->bc_rec = *high_rec; + cur->bc_ops->init_key_from_rec(&rec_key, recp); + diff = cur->bc_ops->key_diff(cur, &rec_key); + if (diff > 0) + break; + + /* Callback */ + error = fn(cur, recp, priv); + if (error < 0 || error == XFS_BTREE_QUERY_RANGE_ABORT) + break; + +advloop: + /* Move on to the next record. */ + error = xfs_btree_increment(cur, 0, &stat); + if (error) + break; + } + +out: + return error; +} + +/* + * Query an overlapped interval btree for all records overlapping a given + * interval. + */ +STATIC int +xfs_btree_overlapped_query_range( + struct xfs_btree_cur *cur, + union xfs_btree_irec *low_rec, + union xfs_btree_irec *high_rec, + xfs_btree_query_range_fn fn, + void *priv) +{ + union xfs_btree_ptr ptr; + union xfs_btree_ptr *pp; + union xfs_btree_key rec_key; + union xfs_btree_key low_key; + union xfs_btree_key high_key; + union xfs_btree_key *lkp; + union xfs_btree_key *hkp; + union xfs_btree_rec rec; + union xfs_btree_rec *recp; + struct xfs_btree_block *block; + __int64_t ldiff; + __int64_t hdiff; + int level; + struct xfs_buf *bp; + int i; + int error; + + /* Find the keys of both ends of the interval. */ + cur->bc_rec = *high_rec; + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(&high_key, &rec); + + cur->bc_rec = *low_rec; + cur->bc_ops->init_rec_from_cur(cur, &rec); + cur->bc_ops->init_key_from_rec(&low_key, &rec); + + /* Load the root of the btree. */ + level = cur->bc_nlevels - 1; + cur->bc_ops->init_ptr_from_cur(cur, &ptr); + error = xfs_btree_lookup_get_block(cur, level, &ptr, &block); + if (error) + return error; + xfs_btree_get_block(cur, level, &bp); + trace_xfs_btree_overlapped_query_range(cur, level, bp); +#ifdef DEBUG + error = xfs_btree_check_block(cur, block, level, bp); + if (error) + goto out; +#endif + cur->bc_ptrs[level] = 1; + + while (level < cur->bc_nlevels) { + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); + + if (level == 0) { + /* End of leaf, pop back towards the root. */ + if (cur->bc_ptrs[level] > + be16_to_cpu(block->bb_numrecs)) { +leaf_pop_up: + if (level < cur->bc_nlevels - 1) + cur->bc_ptrs[level + 1]++; + level++; + continue; + } + + recp = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); + + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, + &rec_key); + + cur->bc_ops->init_key_from_rec(&rec_key, recp); + hdiff = cur->bc_ops->diff_two_keys(cur, &rec_key, + &high_key); + + /* If the record matches, callback */ + if (ldiff >= 0 && hdiff >= 0) { + error = fn(cur, recp, priv); + if (error < 0 || + error == XFS_BTREE_QUERY_RANGE_ABORT) + break; + } else if (hdiff < 0) { + /* Record is larger than high key; pop. */ + goto leaf_pop_up; + } + cur->bc_ptrs[level]++; + continue; + } + + /* End of node, pop back towards the root. */ + if (cur->bc_ptrs[level] > be16_to_cpu(block->bb_numrecs)) { +node_pop_up: + if (level < cur->bc_nlevels - 1) + cur->bc_ptrs[level + 1]++; + level++; + continue; + } + + lkp = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); + hkp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level], block); + pp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[level], block); + + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, hkp); + hdiff = cur->bc_ops->diff_two_keys(cur, lkp, &high_key); + + /* If the key matches, drill another level deeper. */ + if (ldiff >= 0 && hdiff >= 0) { + level--; + error = xfs_btree_lookup_get_block(cur, level, pp, + &block); + if (error) + goto out; + xfs_btree_get_block(cur, level, &bp); + trace_xfs_btree_overlapped_query_range(cur, level, bp); +#ifdef DEBUG + error = xfs_btree_check_block(cur, block, level, bp); + if (error) + goto out; +#endif + cur->bc_ptrs[level] = 1; + continue; + } else if (hdiff < 0) { + /* The low key is larger than the upper range; pop. */ + goto node_pop_up; + } + cur->bc_ptrs[level]++; + } + +out: + /* + * If we don't end this function with the cursor pointing at a record + * block, a subsequent non-error cursor deletion will not release + * node-level buffers, causing a buffer leak. This is quite possible + * with a zero-results range query, so release the buffers if we + * failed to return any results. + */ + if (cur->bc_bufs[0] == NULL) { + for (i = 0; i < cur->bc_nlevels; i++) { + if (cur->bc_bufs[i]) { + xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[i]); + cur->bc_bufs[i] = NULL; + cur->bc_ptrs[i] = 0; + cur->bc_ra[i] = 0; + } + } + } + + return error; +} + +/* + * Query a btree for all records overlapping a given interval of keys. The + * supplied function will be called with each record found; return one of the + * XFS_BTREE_QUERY_RANGE_{CONTINUE,ABORT} values or the usual negative error + * code. This function returns XFS_BTREE_QUERY_RANGE_ABORT, zero, or a + * negative error code. + */ +int +xfs_btree_query_range( + struct xfs_btree_cur *cur, + union xfs_btree_irec *low_rec, + union xfs_btree_irec *high_rec, + xfs_btree_query_range_fn fn, + void *priv) +{ + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return xfs_btree_simple_query_range(cur, low_rec, + high_rec, fn, priv); + return xfs_btree_overlapped_query_range(cur, low_rec, high_rec, + fn, priv); +} diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index a5ec6c7..898fee5 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -206,6 +206,12 @@ struct xfs_btree_ops { #define LASTREC_DELREC 2 +union xfs_btree_irec { + xfs_alloc_rec_incore_t a; + xfs_bmbt_irec_t b; + xfs_inobt_rec_incore_t i; +}; + /* * Btree cursor structure. * This collects all information needed by the btree code in one place. @@ -216,11 +222,7 @@ typedef struct xfs_btree_cur struct xfs_mount *bc_mp; /* file system mount struct */ const struct xfs_btree_ops *bc_ops; uint bc_flags; /* btree features - below */ - union { - xfs_alloc_rec_incore_t a; - xfs_bmbt_irec_t b; - xfs_inobt_rec_incore_t i; - } bc_rec; /* current insert/search record value */ + union xfs_btree_irec bc_rec; /* current insert/search record value */ struct xfs_buf *bc_bufs[XFS_BTREE_MAXLEVELS]; /* buf ptr per level */ int bc_ptrs[XFS_BTREE_MAXLEVELS]; /* key/record # */ __uint8_t bc_ra[XFS_BTREE_MAXLEVELS]; /* readahead bits */ @@ -494,4 +496,14 @@ xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, unsigned long len); +/* return codes */ +#define XFS_BTREE_QUERY_RANGE_CONTINUE 0 /* keep iterating */ +#define XFS_BTREE_QUERY_RANGE_ABORT 1 /* stop iterating */ +typedef int (*xfs_btree_query_range_fn)(struct xfs_btree_cur *cur, + union xfs_btree_rec *rec, void *priv); + +int xfs_btree_query_range(struct xfs_btree_cur *cur, + union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, + xfs_btree_query_range_fn fn, void *priv); + #endif /* __XFS_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:32:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8782A8036 for ; Thu, 16 Jun 2016 20:32:53 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id F3789AC001 for ; Thu, 16 Jun 2016 18:32:52 -0700 (PDT) X-ASG-Debug-ID: 1466127170-04cb6c542757d70001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id C7yz8j4Ql9tGvEUW (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:51 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1WkGM015130 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:32:46 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1WkiH026628 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:46 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WjUA022321; Fri, 17 Jun 2016 01:32:45 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:44 -0700 Subject: [PATCH 019/145] xfs: refactor btree owner change into a separate visit-blocks function From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 019/145] xfs: refactor btree owner change into a separate visit-blocks function To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:43 -0700 Message-ID: <146612716346.16048.14016377411947580027.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127170 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6107 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Refactor the btree_change_owner function into a more generic apparatus which visits all blocks in a btree. We'll use this in a subsequent patch for counting btree blocks for AG reservations. Signed-off-by: Darrick J. Wong --- libxfs/xfs_btree.c | 141 ++++++++++++++++++++++++++++++++++------------------ libxfs/xfs_btree.h | 5 ++ 2 files changed, 96 insertions(+), 50 deletions(-) diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 7a34aa1..4f48878 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -4285,6 +4285,81 @@ xfs_btree_get_rec( return 0; } +/* Visit a block in a btree. */ +STATIC int +xfs_btree_visit_block( + struct xfs_btree_cur *cur, + int level, + xfs_btree_visit_blocks_fn fn, + void *data) +{ + struct xfs_btree_block *block; + struct xfs_buf *bp; + union xfs_btree_ptr rptr; + int error; + + /* do right sibling readahead */ + xfs_btree_readahead(cur, level, XFS_BTCUR_RIGHTRA); + block = xfs_btree_get_block(cur, level, &bp); + + /* process the block */ + error = fn(cur, level, data); + if (error) + return error; + + /* now read rh sibling block for next iteration */ + xfs_btree_get_sibling(cur, block, &rptr, XFS_BB_RIGHTSIB); + if (xfs_btree_ptr_is_null(cur, &rptr)) + return -ENOENT; + + return xfs_btree_lookup_get_block(cur, level, &rptr, &block); +} + + +/* Visit every block in a btree. */ +int +xfs_btree_visit_blocks( + struct xfs_btree_cur *cur, + xfs_btree_visit_blocks_fn fn, + void *data) +{ + union xfs_btree_ptr lptr; + int level; + struct xfs_btree_block *block = NULL; + int error = 0; + + cur->bc_ops->init_ptr_from_cur(cur, &lptr); + + /* for each level */ + for (level = cur->bc_nlevels - 1; level >= 0; level--) { + /* grab the left hand block */ + error = xfs_btree_lookup_get_block(cur, level, &lptr, &block); + if (error) + return error; + + /* readahead the left most block for the next level down */ + if (level > 0) { + union xfs_btree_ptr *ptr; + + ptr = xfs_btree_ptr_addr(cur, 1, block); + xfs_btree_readahead_ptr(cur, ptr, 1); + + /* save for the next iteration of the loop */ + lptr = *ptr; + } + + /* for each buffer in the level */ + do { + error = xfs_btree_visit_block(cur, level, fn, data); + } while (!error); + + if (error != -ENOENT) + return error; + } + + return 0; +} + /* * Change the owner of a btree. * @@ -4309,26 +4384,27 @@ xfs_btree_get_rec( * just queue the modified buffer as delayed write buffer so the transaction * recovery completion writes the changes to disk. */ +struct xfs_btree_block_change_owner_info { + __uint64_t new_owner; + struct list_head *buffer_list; +}; + static int xfs_btree_block_change_owner( struct xfs_btree_cur *cur, int level, - __uint64_t new_owner, - struct list_head *buffer_list) + void *data) { + struct xfs_btree_block_change_owner_info *bbcoi = data; struct xfs_btree_block *block; struct xfs_buf *bp; - union xfs_btree_ptr rptr; - - /* do right sibling readahead */ - xfs_btree_readahead(cur, level, XFS_BTCUR_RIGHTRA); /* modify the owner */ block = xfs_btree_get_block(cur, level, &bp); if (cur->bc_flags & XFS_BTREE_LONG_PTRS) - block->bb_u.l.bb_owner = cpu_to_be64(new_owner); + block->bb_u.l.bb_owner = cpu_to_be64(bbcoi->new_owner); else - block->bb_u.s.bb_owner = cpu_to_be32(new_owner); + block->bb_u.s.bb_owner = cpu_to_be32(bbcoi->new_owner); /* * If the block is a root block hosted in an inode, we might not have a @@ -4342,19 +4418,14 @@ xfs_btree_block_change_owner( xfs_trans_ordered_buf(cur->bc_tp, bp); xfs_btree_log_block(cur, bp, XFS_BB_OWNER); } else { - xfs_buf_delwri_queue(bp, buffer_list); + xfs_buf_delwri_queue(bp, bbcoi->buffer_list); } } else { ASSERT(cur->bc_flags & XFS_BTREE_ROOT_IN_INODE); ASSERT(level == cur->bc_nlevels - 1); } - /* now read rh sibling block for next iteration */ - xfs_btree_get_sibling(cur, block, &rptr, XFS_BB_RIGHTSIB); - if (xfs_btree_ptr_is_null(cur, &rptr)) - return -ENOENT; - - return xfs_btree_lookup_get_block(cur, level, &rptr, &block); + return 0; } int @@ -4363,43 +4434,13 @@ xfs_btree_change_owner( __uint64_t new_owner, struct list_head *buffer_list) { - union xfs_btree_ptr lptr; - int level; - struct xfs_btree_block *block = NULL; - int error = 0; + struct xfs_btree_block_change_owner_info bbcoi; - cur->bc_ops->init_ptr_from_cur(cur, &lptr); + bbcoi.new_owner = new_owner; + bbcoi.buffer_list = buffer_list; - /* for each level */ - for (level = cur->bc_nlevels - 1; level >= 0; level--) { - /* grab the left hand block */ - error = xfs_btree_lookup_get_block(cur, level, &lptr, &block); - if (error) - return error; - - /* readahead the left most block for the next level down */ - if (level > 0) { - union xfs_btree_ptr *ptr; - - ptr = xfs_btree_ptr_addr(cur, 1, block); - xfs_btree_readahead_ptr(cur, ptr, 1); - - /* save for the next iteration of the loop */ - lptr = *ptr; - } - - /* for each buffer in the level */ - do { - error = xfs_btree_block_change_owner(cur, level, - new_owner, - buffer_list); - } while (!error); - - if (error != -ENOENT) - return error; - } - - return 0; + return xfs_btree_visit_blocks(cur, xfs_btree_block_change_owner, + &bbcoi); } /** diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 898fee5..0ec3055 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -506,4 +506,9 @@ int xfs_btree_query_range(struct xfs_btree_cur *cur, union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, xfs_btree_query_range_fn fn, void *priv); +typedef int (*xfs_btree_visit_blocks_fn)(struct xfs_btree_cur *cur, int level, + void *data); +int xfs_btree_visit_blocks(struct xfs_btree_cur *cur, + xfs_btree_visit_blocks_fn fn, void *data); + #endif /* __XFS_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:33:00 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DA9868044 for ; Thu, 16 Jun 2016 20:33:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A9D1730404E for ; Thu, 16 Jun 2016 18:33:00 -0700 (PDT) X-ASG-Debug-ID: 1466127176-04cb6c542657d80001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id xRmdOQB25QCc5mCB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:32:56 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1WsmF002238 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:32:55 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1WrEj026800 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:32:54 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WprB010165; Fri, 17 Jun 2016 01:32:52 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:50 -0700 Subject: [PATCH 020/145] xfs: move deferred operations into a separate file From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 020/145] xfs: move deferred operations into a separate file To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:49 -0700 Message-ID: <146612716961.16048.16304750413154183604.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127176 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 23887 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines All the code around struct xfs_bmap_free basically implements a deferred operation framework through which we can roll transactions (to unlock buffers and avoid violating lock order rules) while managing all the necessary log redo items. Previously we only used this code to free extents after some sort of mapping operation, but with the advent of rmap and reflink, we suddenly need to do more than that. With that in mind, xfs_bmap_free really becomes a deferred ops control structure. Rename the structure and move the deferred ops into their own file to avoid further bloating of the bmap code. v2: actually sort the work items by AG to avoid deadlocks Signed-off-by: Darrick J. Wong --- libxfs/Makefile | 3 libxfs/defer_item.c | 36 ++++ libxfs/init.c | 2 libxfs/xfs_defer.c | 471 +++++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_defer.h | 96 ++++++++++ 5 files changed, 608 insertions(+) create mode 100644 libxfs/defer_item.c create mode 100644 libxfs/xfs_defer.c create mode 100644 libxfs/xfs_defer.h diff --git a/libxfs/Makefile b/libxfs/Makefile index ca1a5ee..0073cd1 100644 --- a/libxfs/Makefile +++ b/libxfs/Makefile @@ -29,6 +29,7 @@ HFILES = \ xfs_attr_remote.h \ xfs_cksum.h \ xfs_da_btree.h \ + xfs_defer.h \ xfs_dir2.h \ xfs_ialloc.h \ xfs_ialloc_btree.h \ @@ -49,6 +50,7 @@ HFILES = \ CFILES = cache.c \ crc32.c \ + defer_item.c \ init.c \ kmem.c \ logitem.c \ @@ -67,6 +69,7 @@ CFILES = cache.c \ xfs_btree.c \ xfs_da_btree.c \ xfs_da_format.c \ + xfs_defer.c \ xfs_dir2.c \ xfs_dir2_block.c \ xfs_dir2_data.c \ diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c new file mode 100644 index 0000000..06d294f --- /dev/null +++ b/libxfs/defer_item.c @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs_priv.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_bit.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_trans.h" + +/* Initialize the deferred operation types. */ +void +xfs_defer_init_types(void) +{ +} diff --git a/libxfs/init.c b/libxfs/init.c index 67c3b30..553da7b 100644 --- a/libxfs/init.c +++ b/libxfs/init.c @@ -26,6 +26,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode_buf.h" #include "xfs_inode_fork.h" #include "xfs_inode.h" @@ -262,6 +263,7 @@ libxfs_init(libxfs_init_t *a) flags = (a->isreadonly | a->isdirect); radix_tree_init(); + xfs_defer_init_types(); if (a->volname) { if(!check_open(a->volname,flags,&rawfile,&blockfile)) diff --git a/libxfs/xfs_defer.c b/libxfs/xfs_defer.c new file mode 100644 index 0000000..5ae5e0d --- /dev/null +++ b/libxfs/xfs_defer.c @@ -0,0 +1,471 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs_priv.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_bit.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_trans.h" +#include "xfs_trace.h" + +/* + * Deferred Operations in XFS + * + * Due to the way locking rules work in XFS, certain transactions (block + * mapping and unmapping, typically) have permanent reservations so that + * we can roll the transaction to adhere to AG locking order rules and + * to unlock buffers between metadata updates. Prior to rmap/reflink, + * the mapping code had a mechanism to perform these deferrals for + * extents that were going to be freed; this code makes that facility + * more generic. + * + * When adding the reverse mapping and reflink features, it became + * necessary to perform complex remapping multi-transactions to comply + * with AG locking order rules, and to be able to spread a single + * refcount update operation (an operation on an n-block extent can + * update as many as n records!) among multiple transactions. XFS can + * roll a transaction to facilitate this, but using this facility + * requires us to log "intent" items in case log recovery needs to + * redo the operation, and to log "done" items to indicate that redo + * is not necessary. + * + * The xfs_defer_ops structure tracks incoming deferred work (which is + * work that has not yet had an intent logged) in xfs_defer_intake. + * There is one xfs_defer_intake for each type of deferrable + * operation. Each new deferral is placed in the op's intake list, + * where it waits for the caller to finish the deferred operations. + * + * Finishing a set of deferred operations is an involved process. To + * start, we define "rolling a deferred-op transaction" as follows: + * + * > For each xfs_defer_intake, + * - Sort the items on the intake list in AG order. + * - Create a log intent item for that type. + * - Attach to it the items on the intake list. + * - Stash the intent+items for later in an xfs_defer_pending. + * - Attach the xfs_defer_pending to the xfs_defer_ops work list. + * > Roll the transaction. + * + * NOTE: To avoid exceeding the transaction reservation, we limit the + * number of items that we attach to a given xfs_defer_pending. + * + * The actual finishing process looks like this: + * + * > For each xfs_defer_pending in the xfs_defer_ops work list, + * - Roll the deferred-op transaction as above. + * - Create a log done item for that type, and attach it to the + * intent item. + * - For each work item attached to the intent item, + * * Perform the described action. + * * Attach the work item to the log done item. + * * If the result of doing the work was -EAGAIN, log a fresh + * intent item and attach all remaining work items to it. Put + * the xfs_defer_pending item back on the work list, and repeat + * the loop. This allows us to make partial progress even if + * the transaction is too full to finish the job. + * + * The key here is that we must log an intent item for all pending + * work items every time we roll the transaction, and that we must log + * a done item as soon as the work is completed. With this mechanism + * we can perform complex remapping operations, chaining intent items + * as needed. + * + * This is an example of remapping the extent (E, E+B) into file X at + * offset A and dealing with the extent (C, C+B) already being mapped + * there: + * +-------------------------------------------------+ + * | Unmap file X startblock C offset A length B | t0 + * | Intent to reduce refcount for extent (C, B) | + * | Intent to remove rmap (X, C, A, B) | + * | Intent to free extent (D, 1) (bmbt block) | + * | Intent to map (X, A, B) at startblock E | + * +-------------------------------------------------+ + * | Map file X startblock E offset A length B | t1 + * | Done mapping (X, E, A, B) | + * | Intent to increase refcount for extent (E, B) | + * | Intent to add rmap (X, E, A, B) | + * +-------------------------------------------------+ + * | Reduce refcount for extent (C, B) | t2 + * | Done reducing refcount for extent (C, B) | + * | Increase refcount for extent (E, B) | + * | Done increasing refcount for extent (E, B) | + * | Intent to free extent (C, B) | + * | Intent to free extent (F, 1) (refcountbt block) | + * | Intent to remove rmap (F, 1, REFC) | + * +-------------------------------------------------+ + * | Remove rmap (X, C, A, B) | t3 + * | Done removing rmap (X, C, A, B) | + * | Add rmap (X, E, A, B) | + * | Done adding rmap (X, E, A, B) | + * | Remove rmap (F, 1, REFC) | + * | Done removing rmap (F, 1, REFC) | + * +-------------------------------------------------+ + * | Free extent (C, B) | t4 + * | Done freeing extent (C, B) | + * | Free extent (D, 1) | + * | Done freeing extent (D, 1) | + * | Free extent (F, 1) | + * | Done freeing extent (F, 1) | + * +-------------------------------------------------+ + * + * If we should crash before t2 commits, log recovery replays + * the following intent items: + * + * - Intent to reduce refcount for extent (C, B) + * - Intent to remove rmap (X, C, A, B) + * - Intent to free extent (D, 1) (bmbt block) + * - Intent to increase refcount for extent (E, B) + * - Intent to add rmap (X, E, A, B) + * + * In the process of recovering, it should also generate and take care + * of these intent items: + * + * - Intent to free extent (C, B) + * - Intent to free extent (F, 1) (refcountbt block) + * - Intent to remove rmap (F, 1, REFC) + */ + +static const struct xfs_defer_op_type *defer_op_types[XFS_DEFER_OPS_TYPE_MAX]; + +/* + * For each pending item in the intake list, log its intent item and the + * associated extents, then add the entire intake list to the end of + * the pending list. + */ +STATIC void +xfs_defer_intake_work( + struct xfs_trans *tp, + struct xfs_defer_ops *dop) +{ + struct list_head *li; + struct xfs_defer_pending *dfp; + + list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { + dfp->dfp_intent = dfp->dfp_type->create_intent(tp, + dfp->dfp_count); + list_sort(tp->t_mountp, &dfp->dfp_work, + dfp->dfp_type->diff_items); + list_for_each(li, &dfp->dfp_work) + dfp->dfp_type->log_item(tp, dfp->dfp_intent, li); + } + + list_splice_tail_init(&dop->dop_intake, &dop->dop_pending); +} + +/* Abort all the intents that were committed. */ +STATIC void +xfs_defer_trans_abort( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + int error) +{ + struct xfs_defer_pending *dfp; + + /* + * If the transaction was committed, drop the intent reference + * since we're bailing out of here. The other reference is + * dropped when the intent hits the AIL. If the transaction + * was not committed, the intent is freed by the intent item + * unlock handler on abort. + */ + if (!dop->dop_committed) + return; + + /* Abort intent items. */ + list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { + if (dfp->dfp_committed) + dfp->dfp_type->abort_intent(dfp->dfp_intent); + } + + /* Shut down FS. */ + xfs_force_shutdown(tp->t_mountp, (error == -EFSCORRUPTED) ? + SHUTDOWN_CORRUPT_INCORE : SHUTDOWN_META_IO_ERROR); +} + +/* Roll a transaction so we can do some deferred op processing. */ +STATIC int +xfs_defer_trans_roll( + struct xfs_trans **tp, + struct xfs_defer_ops *dop, + struct xfs_inode *ip) +{ + int i; + int error; + + /* Log all the joined inodes except the one we passed in. */ + for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) { + if (dop->dop_inodes[i] == ip) + continue; + xfs_trans_log_inode(*tp, dop->dop_inodes[i], XFS_ILOG_CORE); + } + + /* Roll the transaction. */ + error = xfs_trans_roll(tp, ip); + if (error) { + xfs_defer_trans_abort(*tp, dop, error); + return error; + } + dop->dop_committed = true; + + /* Log all the joined inodes except the one we passed in. */ + for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) { + if (dop->dop_inodes[i] == ip) + continue; + xfs_trans_ijoin(*tp, dop->dop_inodes[i], 0); + } + + return error; +} + +/* Do we have any work items to finish? */ +bool +xfs_defer_has_unfinished_work( + struct xfs_defer_ops *dop) +{ + return !list_empty(&dop->dop_pending) || !list_empty(&dop->dop_intake); +} + +/* + * Add this inode to the deferred op. Each joined inode is relogged + * each time we roll the transaction, in addition to any inode passed + * to xfs_defer_finish(). + */ +int +xfs_defer_join( + struct xfs_defer_ops *dop, + struct xfs_inode *ip) +{ + int i; + + for (i = 0; i < XFS_DEFER_OPS_NR_INODES; i++) { + if (dop->dop_inodes[i] == ip) + return 0; + else if (dop->dop_inodes[i] == NULL) { + dop->dop_inodes[i] = ip; + return 0; + } + } + + return -EFSCORRUPTED; +} + +/* + * Finish all the pending work. This involves logging intent items for + * any work items that wandered in since the last transaction roll (if + * one has even happened), rolling the transaction, and finishing the + * work items in the first item on the logged-and-pending list. + * + * If an inode is provided, relog it to the new transaction. + */ +int +xfs_defer_finish( + struct xfs_trans **tp, + struct xfs_defer_ops *dop, + struct xfs_inode *ip) +{ + struct xfs_defer_pending *dfp; + struct list_head *li; + struct list_head *n; + void *done_item = NULL; + void *state; + int error = 0; + void (*cleanup_fn)(struct xfs_trans *, void *, int); + + ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); + + /* Until we run out of pending work to finish... */ + while (xfs_defer_has_unfinished_work(dop)) { + /* Log intents for work items sitting in the intake. */ + xfs_defer_intake_work(*tp, dop); + + /* Roll the transaction. */ + error = xfs_defer_trans_roll(tp, dop, ip); + if (error) + goto out; + + /* Mark all pending intents as committed. */ + list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { + if (dfp->dfp_committed) + break; + dfp->dfp_committed = true; + } + + /* Log an intent-done item for the first pending item. */ + dfp = list_first_entry(&dop->dop_pending, + struct xfs_defer_pending, dfp_list); + done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, + dfp->dfp_count); + cleanup_fn = dfp->dfp_type->finish_cleanup; + + /* Finish the work items. */ + state = NULL; + list_for_each_safe(li, n, &dfp->dfp_work) { + list_del(li); + dfp->dfp_count--; + error = dfp->dfp_type->finish_item(*tp, dop, li, + done_item, &state); + if (error == -EAGAIN) { + /* + * If the caller needs to try again, put the + * item back on the pending list and jump out + * for further processing. + */ + list_add(li, &dfp->dfp_work); + dfp->dfp_count++; + break; + } else if (error) { + /* + * Clean up after ourselves and jump out. + * xfs_defer_cancel will take care of freeing + * all these lists and stuff. + */ + if (cleanup_fn) + cleanup_fn(*tp, state, error); + xfs_defer_trans_abort(*tp, dop, error); + goto out; + } + } + if (error == -EAGAIN) { + /* + * Log a new intent, relog all the remaining work + * item to the new intent, attach the new intent to + * the dfp, and leave the dfp at the head of the list + * for further processing. + */ + dfp->dfp_intent = dfp->dfp_type->create_intent(*tp, + dfp->dfp_count); + list_for_each(li, &dfp->dfp_work) + dfp->dfp_type->log_item(*tp, dfp->dfp_intent, + li); + } else { + /* Done with the dfp, free it. */ + list_del(&dfp->dfp_list); + kmem_free(dfp); + } + + if (cleanup_fn) + cleanup_fn(*tp, state, error); + } + +out: + return error; +} + +/* + * Free up any items left in the list. + */ +void +xfs_defer_cancel( + struct xfs_defer_ops *dop) +{ + struct xfs_defer_pending *dfp; + struct xfs_defer_pending *pli; + struct list_head *pwi; + struct list_head *n; + + /* + * Free the pending items. Caller should already have arranged + * for the intent items to be released. + */ + list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { + list_del(&dfp->dfp_list); + list_for_each_safe(pwi, n, &dfp->dfp_work) { + list_del(pwi); + dfp->dfp_count--; + dfp->dfp_type->cancel_item(pwi); + } + ASSERT(dfp->dfp_count == 0); + kmem_free(dfp); + } + list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { + list_del(&dfp->dfp_list); + list_for_each_safe(pwi, n, &dfp->dfp_work) { + list_del(pwi); + dfp->dfp_count--; + dfp->dfp_type->cancel_item(pwi); + } + ASSERT(dfp->dfp_count == 0); + kmem_free(dfp); + } +} + +/* Add an item for later deferred processing. */ +void +xfs_defer_add( + struct xfs_defer_ops *dop, + enum xfs_defer_ops_type type, + struct list_head *li) +{ + struct xfs_defer_pending *dfp = NULL; + + /* + * Add the item to a pending item at the end of the intake list. + * If the last pending item has the same type, reuse it. Else, + * create a new pending item at the end of the intake list. + */ + if (!list_empty(&dop->dop_intake)) { + dfp = list_last_entry(&dop->dop_intake, + struct xfs_defer_pending, dfp_list); + if (dfp->dfp_type->type != type || + (dfp->dfp_type->max_items && + dfp->dfp_count >= dfp->dfp_type->max_items)) + dfp = NULL; + } + if (!dfp) { + dfp = kmem_alloc(sizeof(struct xfs_defer_pending), + KM_SLEEP | KM_NOFS); + dfp->dfp_type = defer_op_types[type]; + dfp->dfp_committed = false; + dfp->dfp_intent = NULL; + dfp->dfp_count = 0; + INIT_LIST_HEAD(&dfp->dfp_work); + list_add_tail(&dfp->dfp_list, &dop->dop_intake); + } + + list_add_tail(li, &dfp->dfp_work); + dfp->dfp_count++; +} + +/* Initialize a deferred operation list. */ +void +xfs_defer_init_op_type( + const struct xfs_defer_op_type *type) +{ + defer_op_types[type->type] = type; +} + +/* Initialize a deferred operation. */ +void +xfs_defer_init( + struct xfs_defer_ops *dop, + xfs_fsblock_t *fbp) +{ + dop->dop_committed = false; + dop->dop_low = false; + memset(&dop->dop_inodes, 0, sizeof(dop->dop_inodes)); + *fbp = NULLFSBLOCK; + INIT_LIST_HEAD(&dop->dop_intake); + INIT_LIST_HEAD(&dop->dop_pending); +} diff --git a/libxfs/xfs_defer.h b/libxfs/xfs_defer.h new file mode 100644 index 0000000..85c7a3a --- /dev/null +++ b/libxfs/xfs_defer.h @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_DEFER_H__ +#define __XFS_DEFER_H__ + +struct xfs_defer_op_type; + +/* + * Save a log intent item and a list of extents, so that we can replay + * whatever action had to happen to the extent list and file the log done + * item. + */ +struct xfs_defer_pending { + const struct xfs_defer_op_type *dfp_type; /* function pointers */ + struct list_head dfp_list; /* pending items */ + bool dfp_committed; /* committed trans? */ + void *dfp_intent; /* log intent item */ + struct list_head dfp_work; /* work items */ + unsigned int dfp_count; /* # extent items */ +}; + +/* + * Header for deferred operation list. + * + * dop_low is used by the allocator to activate the lowspace algorithm - + * when free space is running low the extent allocator may choose to + * allocate an extent from an AG without leaving sufficient space for + * a btree split when inserting the new extent. In this case the allocator + * will enable the lowspace algorithm which is supposed to allow further + * allocations (such as btree splits and newroots) to allocate from + * sequential AGs. In order to avoid locking AGs out of order the lowspace + * algorithm will start searching for free space from AG 0. If the correct + * transaction reservations have been made then this algorithm will eventually + * find all the space it needs. + */ +enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_MAX, +}; + +#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */ + +struct xfs_defer_ops { + bool dop_committed; /* did any trans commit? */ + bool dop_low; /* alloc in low mode */ + struct list_head dop_intake; /* unlogged pending work */ + struct list_head dop_pending; /* logged pending work */ + + /* relog these inodes with each roll */ + struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES]; +}; + +void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type, + struct list_head *h); +int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop, + struct xfs_inode *ip); +void xfs_defer_cancel(struct xfs_defer_ops *dop); +void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp); +bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop); +int xfs_defer_join(struct xfs_defer_ops *dop, struct xfs_inode *ip); + +/* Description of a deferred type. */ +struct xfs_defer_op_type { + enum xfs_defer_ops_type type; + unsigned int max_items; + void (*abort_intent)(void *); + void *(*create_done)(struct xfs_trans *, void *, unsigned int); + int (*finish_item)(struct xfs_trans *, struct xfs_defer_ops *, + struct list_head *, void *, void **); + void (*finish_cleanup)(struct xfs_trans *, void *, int); + void (*cancel_item)(struct list_head *); + int (*diff_items)(void *, struct list_head *, struct list_head *); + void *(*create_intent)(struct xfs_trans *, uint); + void (*log_item)(struct xfs_trans *, void *, struct list_head *); +}; + +void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); +void xfs_defer_init_types(void); + +#endif /* __XFS_DEFER_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:33:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AF94380C4 for ; Thu, 16 Jun 2016 20:33:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 812318F804B for ; Thu, 16 Jun 2016 18:33:03 -0700 (PDT) X-ASG-Debug-ID: 1466127181-04cbb01fec69f30001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id zHxBQt8G3kbbsekA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1X0PB002310 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:00 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1X0Ve000864 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:00 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1WvNF022388; Fri, 17 Jun 2016 01:32:59 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:32:57 -0700 Subject: [PATCH 021/145] xfs: add tracepoints for the deferred ops mechanism From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 021/145] xfs: add tracepoints for the deferred ops mechanism To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:32:55 -0700 Message-ID: <146612717592.16048.7184368661724183008.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127181 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4834 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 15 +++++++++++++++ libxfs/xfs_defer.c | 19 +++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 56c4533..dd0d46f 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -169,6 +169,21 @@ #define trace_xfs_btree_updkeys(...) ((void) 0) #define trace_xfs_btree_overlapped_query_range(...) ((void) 0) +#define trace_xfs_defer_intake_work(...) ((void) 0) +#define trace_xfs_defer_trans_abort(...) ((void) 0) +#define trace_xfs_defer_pending_abort(...) ((void) 0) +#define trace_xfs_defer_trans_roll(...) ((void) 0) +#define trace_xfs_defer_trans_roll_error(...) ((void) 0) +#define trace_xfs_defer_finish(...) ((void) 0) +#define trace_xfs_defer_pending_commit(...) ((void) 0) +#define trace_xfs_defer_pending_finish(...) ((void) 0) +#define trace_xfs_defer_finish_error(...) ((void) 0) +#define trace_xfs_defer_finish_done(...) ((void) 0) +#define trace_xfs_defer_cancel(...) ((void) 0) +#define trace_xfs_defer_intake_cancel(...) ((void) 0) +#define trace_xfs_defer_pending_cancel(...) ((void) 0) +#define trace_xfs_defer_init(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_defer.c b/libxfs/xfs_defer.c index 5ae5e0d..069b7bb 100644 --- a/libxfs/xfs_defer.c +++ b/libxfs/xfs_defer.c @@ -163,6 +163,7 @@ xfs_defer_intake_work( struct xfs_defer_pending *dfp; list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { + trace_xfs_defer_intake_work(tp->t_mountp, dfp); dfp->dfp_intent = dfp->dfp_type->create_intent(tp, dfp->dfp_count); list_sort(tp->t_mountp, &dfp->dfp_work, @@ -183,6 +184,7 @@ xfs_defer_trans_abort( { struct xfs_defer_pending *dfp; + trace_xfs_defer_trans_abort(tp->t_mountp, dop); /* * If the transaction was committed, drop the intent reference * since we're bailing out of here. The other reference is @@ -195,6 +197,7 @@ xfs_defer_trans_abort( /* Abort intent items. */ list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { + trace_xfs_defer_pending_abort(tp->t_mountp, dfp); if (dfp->dfp_committed) dfp->dfp_type->abort_intent(dfp->dfp_intent); } @@ -221,9 +224,12 @@ xfs_defer_trans_roll( xfs_trans_log_inode(*tp, dop->dop_inodes[i], XFS_ILOG_CORE); } + trace_xfs_defer_trans_roll((*tp)->t_mountp, dop); + /* Roll the transaction. */ error = xfs_trans_roll(tp, ip); if (error) { + trace_xfs_defer_trans_roll_error((*tp)->t_mountp, dop, error); xfs_defer_trans_abort(*tp, dop, error); return error; } @@ -295,6 +301,8 @@ xfs_defer_finish( ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); + trace_xfs_defer_finish((*tp)->t_mountp, dop); + /* Until we run out of pending work to finish... */ while (xfs_defer_has_unfinished_work(dop)) { /* Log intents for work items sitting in the intake. */ @@ -309,12 +317,14 @@ xfs_defer_finish( list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { if (dfp->dfp_committed) break; + trace_xfs_defer_pending_commit((*tp)->t_mountp, dfp); dfp->dfp_committed = true; } /* Log an intent-done item for the first pending item. */ dfp = list_first_entry(&dop->dop_pending, struct xfs_defer_pending, dfp_list); + trace_xfs_defer_pending_finish((*tp)->t_mountp, dfp); done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, dfp->dfp_count); cleanup_fn = dfp->dfp_type->finish_cleanup; @@ -370,6 +380,10 @@ xfs_defer_finish( } out: + if (error) + trace_xfs_defer_finish_error((*tp)->t_mountp, dop, error); + else + trace_xfs_defer_finish_done((*tp)->t_mountp, dop); return error; } @@ -385,11 +399,14 @@ xfs_defer_cancel( struct list_head *pwi; struct list_head *n; + trace_xfs_defer_cancel(NULL, dop); + /* * Free the pending items. Caller should already have arranged * for the intent items to be released. */ list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { + trace_xfs_defer_intake_cancel(NULL, dfp); list_del(&dfp->dfp_list); list_for_each_safe(pwi, n, &dfp->dfp_work) { list_del(pwi); @@ -400,6 +417,7 @@ xfs_defer_cancel( kmem_free(dfp); } list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { + trace_xfs_defer_pending_cancel(NULL, dfp); list_del(&dfp->dfp_list); list_for_each_safe(pwi, n, &dfp->dfp_work) { list_del(pwi); @@ -468,4 +486,5 @@ xfs_defer_init( *fbp = NULLFSBLOCK; INIT_LIST_HEAD(&dop->dop_intake); INIT_LIST_HEAD(&dop->dop_pending); + trace_xfs_defer_init(NULL, dop); } From darrick.wong@oracle.com Thu Jun 16 20:33:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 377378051 for ; Thu, 16 Jun 2016 20:33:09 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id DD18A30404E for ; Thu, 16 Jun 2016 18:33:08 -0700 (PDT) X-ASG-Debug-ID: 1466127186-04bdf01e1796000001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 4va3BwPr73bCOH3R (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1X5gu002577 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:33:05 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1X45M027150 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:05 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1X3OC022484; Fri, 17 Jun 2016 01:33:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:03 -0700 Subject: [PATCH 022/145] xfs: enable the xfs_defer mechanism to process extents to free From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 022/145] xfs: enable the xfs_defer mechanism to process extents to free To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:33:02 -0700 Message-ID: <146612718210.16048.5959888533223391397.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127187 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3433 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_MV0249, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 2.00 BSF_SC0_MV0249 Custom rule MV0249 Connect the xfs_defer mechanism with the pieces that we'll need to handle deferred extent freeing. We'll wire up the existing code to our new deferred mechanism later. Signed-off-by: Darrick J. Wong --- libxfs/defer_item.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_defer.h | 1 + 2 files changed, 101 insertions(+) diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c index 06d294f..72c28f8 100644 --- a/libxfs/defer_item.c +++ b/libxfs/defer_item.c @@ -28,9 +28,109 @@ #include "xfs_mount.h" #include "xfs_defer.h" #include "xfs_trans.h" +#include "xfs_bmap.h" +#include "xfs_alloc.h" + +/* Extent Freeing */ + +/* Sort bmap items by AG. */ +static int +xfs_bmap_free_diff_items( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_mount *mp = priv; + struct xfs_bmap_free_item *ra; + struct xfs_bmap_free_item *rb; + + ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); + rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); + return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - + XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); +} + +/* Get an EFI. */ +STATIC void * +xfs_bmap_free_create_intent( + struct xfs_trans *tp, + unsigned int count) +{ + return NULL; +} + +/* Log a free extent to the intent item. */ +STATIC void +xfs_bmap_free_log_item( + struct xfs_trans *tp, + void *intent, + struct list_head *item) +{ +} + +/* Get an EFD so we can process all the free extents. */ +STATIC void * +xfs_bmap_free_create_done( + struct xfs_trans *tp, + void *intent, + unsigned int count) +{ + return NULL; +} + +/* Process a free extent. */ +STATIC int +xfs_bmap_free_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + struct xfs_bmap_free_item *free; + int error; + + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); + error = xfs_free_extent(tp, free->xbfi_startblock, + free->xbfi_blockcount); + kmem_free(free); + return error; +} + +/* Abort all pending EFIs. */ +STATIC void +xfs_bmap_free_abort_intent( + void *intent) +{ +} + +/* Cancel a free extent. */ +STATIC void +xfs_bmap_free_cancel_item( + struct list_head *item) +{ + struct xfs_bmap_free_item *free; + + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); + kmem_free(free); +} + +const struct xfs_defer_op_type xfs_extent_free_defer_type = { + .type = XFS_DEFER_OPS_TYPE_FREE, + .diff_items = xfs_bmap_free_diff_items, + .create_intent = xfs_bmap_free_create_intent, + .abort_intent = xfs_bmap_free_abort_intent, + .log_item = xfs_bmap_free_log_item, + .create_done = xfs_bmap_free_create_done, + .finish_item = xfs_bmap_free_finish_item, + .cancel_item = xfs_bmap_free_cancel_item, +}; + +/* Deferred Item Initialization */ /* Initialize the deferred operation types. */ void xfs_defer_init_types(void) { + xfs_defer_init_op_type(&xfs_extent_free_defer_type); } diff --git a/libxfs/xfs_defer.h b/libxfs/xfs_defer.h index 85c7a3a..743fc32 100644 --- a/libxfs/xfs_defer.h +++ b/libxfs/xfs_defer.h @@ -51,6 +51,7 @@ struct xfs_defer_pending { * find all the space it needs. */ enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_FREE, XFS_DEFER_OPS_TYPE_MAX, }; From darrick.wong@oracle.com Thu Jun 16 20:33:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B273180D7 for ; Thu, 16 Jun 2016 20:33:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 75DA78F804B for ; Thu, 16 Jun 2016 18:33:15 -0700 (PDT) X-ASG-Debug-ID: 1466127192-04cb6c542457da0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Vqf31AyYTskyz6r1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:12 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1XBmi002705 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:11 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XA8i022013 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:10 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1XAXT031364; Fri, 17 Jun 2016 01:33:10 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:09 -0700 Subject: [PATCH 023/145] xfs: rework xfs_bmap_free callers to use xfs_defer_ops From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 023/145] xfs: rework xfs_bmap_free callers to use xfs_defer_ops To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:33:08 -0700 Message-ID: <146612718828.16048.16763151461118598547.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127192 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14612 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Rework everything that used xfs_bmap_free to use xfs_defer_ops instead. For now we'll just remove the old symbols and play some cpp magic to make it work; in the next patch we'll actually rename everything. Signed-off-by: Darrick J. Wong --- include/libxfs.h | 5 +++- libxfs/libxfs_api_defs.h | 2 -- libxfs/util.c | 25 +-------------------- libxfs/xfs_alloc.c | 1 + libxfs/xfs_attr.c | 1 + libxfs/xfs_attr_remote.c | 1 + libxfs/xfs_bmap.c | 55 +++++++++------------------------------------- libxfs/xfs_bmap.h | 32 --------------------------- libxfs/xfs_bmap_btree.c | 5 +++- libxfs/xfs_btree.c | 1 + libxfs/xfs_defer.h | 7 ++++++ libxfs/xfs_dir2.c | 1 + libxfs/xfs_ialloc.c | 1 + libxfs/xfs_inode_buf.c | 1 + libxfs/xfs_sb.c | 1 + 15 files changed, 34 insertions(+), 105 deletions(-) diff --git a/include/libxfs.h b/include/libxfs.h index a34a3a9..71e758b 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -60,6 +60,7 @@ extern uint32_t crc32c_le(uint32_t crc, unsigned char const *p, size_t len); #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_dir2.h" @@ -163,7 +164,9 @@ extern unsigned int libxfs_log2_roundup(unsigned int i); extern int libxfs_alloc_file_space (struct xfs_inode *, xfs_off_t, xfs_off_t, int, int); -extern int libxfs_bmap_finish(xfs_trans_t **, xfs_bmap_free_t *, struct xfs_inode *); +#define libxfs_bmap_finish xfs_defer_finish +#define libxfs_bmap_cancel xfs_defer_cancel +#define xfs_bmap_free_t struct xfs_defer_ops extern void libxfs_fs_repair_cmn_err(int, struct xfs_mount *, char *, ...); extern void libxfs_fs_cmn_err(int, struct xfs_mount *, char *, ...); diff --git a/libxfs/libxfs_api_defs.h b/libxfs/libxfs_api_defs.h index 611a849..84b86bc 100644 --- a/libxfs/libxfs_api_defs.h +++ b/libxfs/libxfs_api_defs.h @@ -63,10 +63,8 @@ #define xfs_attr_leaf_newentsize libxfs_attr_leaf_newentsize #define xfs_alloc_fix_freelist libxfs_alloc_fix_freelist -#define xfs_bmap_cancel libxfs_bmap_cancel #define xfs_bmap_last_offset libxfs_bmap_last_offset #define xfs_bmap_search_extents libxfs_bmap_search_extents -#define xfs_bmap_finish libxfs_bmap_finish #define xfs_bmapi_write libxfs_bmapi_write #define xfs_bmapi_read libxfs_bmapi_read #define xfs_bunmapi libxfs_bunmapi diff --git a/libxfs/util.c b/libxfs/util.c index f37b396..ab007b0 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -25,6 +25,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode_buf.h" #include "xfs_inode_fork.h" #include "xfs_inode.h" @@ -474,30 +475,6 @@ libxfs_mod_incore_sb( } } -int -libxfs_bmap_finish( - struct xfs_trans **tp, - struct xfs_bmap_free *flist, - struct xfs_inode *ip) -{ - struct xfs_bmap_free_item *free; /* free extent list item */ - int error; - - if (flist->xbf_count == 0) - return 0; - - while (!list_empty(&flist->xbf_flist)) { - free = list_first_entry(&flist->xbf_flist, - struct xfs_bmap_free_item, xbfi_list); - error = xfs_free_extent(*tp, free->xbfi_startblock, - free->xbfi_blockcount); - if (error) - return error; - xfs_bmap_del_free(flist, free); - } - return 0; -} - /* * This routine allocates disk space for the given file. * Originally derived from xfs_alloc_file_space(). diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 7276419..8454816 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_alloc_btree.h" diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c index 0b05654..ee370dc 100644 --- a/libxfs/xfs_attr.c +++ b/libxfs/xfs_attr.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_attr_sf.h" diff --git a/libxfs/xfs_attr_remote.c b/libxfs/xfs_attr_remote.c index 79d663e..ed4cc94 100644 --- a/libxfs/xfs_attr_remote.c +++ b/libxfs/xfs_attr_remote.c @@ -24,6 +24,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 65de5ad..a2d8268 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_dir2.h" @@ -587,41 +588,7 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; - list_add(&new->xbfi_list, &flist->xbf_flist); - flist->xbf_count++; -} - -/* - * Remove the entry "free" from the free item list. Prev points to the - * previous entry, unless "free" is the head of the list. - */ -void -xfs_bmap_del_free( - struct xfs_bmap_free *flist, /* free item list header */ - struct xfs_bmap_free_item *free) /* list item to be freed */ -{ - list_del(&free->xbfi_list); - flist->xbf_count--; - kmem_zone_free(xfs_bmap_free_item_zone, free); -} - -/* - * Free up any items left in the list. - */ -void -xfs_bmap_cancel( - struct xfs_bmap_free *flist) /* list of bmap_free_items */ -{ - struct xfs_bmap_free_item *free; /* free list item */ - - if (flist->xbf_count == 0) - return; - while (!list_empty(&flist->xbf_flist)) { - free = list_first_entry(&flist->xbf_flist, - struct xfs_bmap_free_item, xbfi_list); - xfs_bmap_del_free(flist, free); - } - ASSERT(flist->xbf_count == 0); + xfs_defer_add(flist, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); } /* @@ -759,7 +726,7 @@ xfs_bmap_extents_to_btree( if (*firstblock == NULLFSBLOCK) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = XFS_INO_TO_FSB(mp, ip->i_ino); - } else if (flist->xbf_low) { + } else if (flist->dop_low) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = *firstblock; } else { @@ -780,7 +747,7 @@ xfs_bmap_extents_to_btree( ASSERT(args.fsbno != NULLFSBLOCK); ASSERT(*firstblock == NULLFSBLOCK || args.agno == XFS_FSB_TO_AGNO(mp, *firstblock) || - (flist->xbf_low && + (flist->dop_low && args.agno > XFS_FSB_TO_AGNO(mp, *firstblock))); *firstblock = cur->bc_private.b.firstblock = args.fsbno; cur->bc_private.b.allocated++; @@ -3700,7 +3667,7 @@ xfs_bmap_btalloc( error = xfs_bmap_btalloc_nullfb(ap, &args, &blen); if (error) return error; - } else if (ap->flist->xbf_low) { + } else if (ap->flist->dop_low) { if (xfs_inode_is_filestream(ap->ip)) args.type = XFS_ALLOCTYPE_FIRST_AG; else @@ -3733,7 +3700,7 @@ xfs_bmap_btalloc( * is >= the stripe unit and the allocation offset is * at the end of file. */ - if (!ap->flist->xbf_low && ap->aeof) { + if (!ap->flist->dop_low && ap->aeof) { if (!ap->offset) { args.alignment = stripe_align; atype = args.type; @@ -3826,7 +3793,7 @@ xfs_bmap_btalloc( args.minleft = 0; if ((error = xfs_alloc_vextent(&args))) return error; - ap->flist->xbf_low = 1; + ap->flist->dop_low = true; } if (args.fsbno != NULLFSBLOCK) { /* @@ -3836,7 +3803,7 @@ xfs_bmap_btalloc( ASSERT(*ap->firstblock == NULLFSBLOCK || XFS_FSB_TO_AGNO(mp, *ap->firstblock) == XFS_FSB_TO_AGNO(mp, args.fsbno) || - (ap->flist->xbf_low && + (ap->flist->dop_low && XFS_FSB_TO_AGNO(mp, *ap->firstblock) < XFS_FSB_TO_AGNO(mp, args.fsbno))); @@ -3844,7 +3811,7 @@ xfs_bmap_btalloc( if (*ap->firstblock == NULLFSBLOCK) *ap->firstblock = args.fsbno; ASSERT(nullfb || fb_agno == args.agno || - (ap->flist->xbf_low && fb_agno < args.agno)); + (ap->flist->dop_low && fb_agno < args.agno)); ap->length = args.len; ap->ip->i_d.di_nblocks += args.len; xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); @@ -4311,7 +4278,7 @@ xfs_bmapi_allocate( if (error) return error; - if (bma->flist->xbf_low) + if (bma->flist->dop_low) bma->minleft = 0; if (bma->cur) bma->cur->bc_private.b.firstblock = *bma->firstblock; @@ -4676,7 +4643,7 @@ error0: XFS_FSB_TO_AGNO(mp, *firstblock) == XFS_FSB_TO_AGNO(mp, bma.cur->bc_private.b.firstblock) || - (flist->xbf_low && + (flist->dop_low && XFS_FSB_TO_AGNO(mp, *firstblock) < XFS_FSB_TO_AGNO(mp, bma.cur->bc_private.b.firstblock))); diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index c165b2d..9a74610 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -69,27 +69,6 @@ struct xfs_bmap_free_item struct list_head xbfi_list; }; -/* - * Header for free extent list. - * - * xbf_low is used by the allocator to activate the lowspace algorithm - - * when free space is running low the extent allocator may choose to - * allocate an extent from an AG without leaving sufficient space for - * a btree split when inserting the new extent. In this case the allocator - * will enable the lowspace algorithm which is supposed to allow further - * allocations (such as btree splits and newroots) to allocate from - * sequential AGs. In order to avoid locking AGs out of order the lowspace - * algorithm will start searching for free space from AG 0. If the correct - * transaction reservations have been made then this algorithm will eventually - * find all the space it needs. - */ -typedef struct xfs_bmap_free -{ - struct list_head xbf_flist; /* list of to-be-free extents */ - int xbf_count; /* count of items on list */ - int xbf_low; /* alloc in low mode */ -} xfs_bmap_free_t; - #define XFS_BMAP_MAX_NMAP 4 /* @@ -139,14 +118,6 @@ static inline int xfs_bmapi_aflag(int w) #define DELAYSTARTBLOCK ((xfs_fsblock_t)-1LL) #define HOLESTARTBLOCK ((xfs_fsblock_t)-2LL) -static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp) -{ - INIT_LIST_HEAD(&flp->xbf_flist); - flp->xbf_count = 0; - flp->xbf_low = 0; - *fbp = NULLFSBLOCK; -} - /* * Flags for xfs_bmap_add_extent*. */ @@ -195,9 +166,6 @@ int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist, xfs_fsblock_t bno, xfs_filblks_t len); -void xfs_bmap_cancel(struct xfs_bmap_free *flist); -int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist, - struct xfs_inode *ip); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork); diff --git a/libxfs/xfs_bmap_btree.c b/libxfs/xfs_bmap_btree.c index 2ae701e..8d4d4b0 100644 --- a/libxfs/xfs_bmap_btree.c +++ b/libxfs/xfs_bmap_btree.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_trans.h" #include "xfs_alloc.h" @@ -459,7 +460,7 @@ xfs_bmbt_alloc_block( * block allocation here and corrupt the filesystem. */ args.minleft = args.tp->t_blk_res; - } else if (cur->bc_private.b.flist->xbf_low) { + } else if (cur->bc_private.b.flist->dop_low) { args.type = XFS_ALLOCTYPE_START_BNO; } else { args.type = XFS_ALLOCTYPE_NEAR_BNO; @@ -487,7 +488,7 @@ xfs_bmbt_alloc_block( error = xfs_alloc_vextent(&args); if (error) goto error0; - cur->bc_private.b.flist->xbf_low = 1; + cur->bc_private.b.flist->dop_low = true; } if (args.fsbno == NULLFSBLOCK) { XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 4f48878..c5a475f 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -23,6 +23,7 @@ #include "xfs_trans_resv.h" #include "xfs_bit.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_trans.h" #include "xfs_btree.h" diff --git a/libxfs/xfs_defer.h b/libxfs/xfs_defer.h index 743fc32..4c05ba6 100644 --- a/libxfs/xfs_defer.h +++ b/libxfs/xfs_defer.h @@ -94,4 +94,11 @@ struct xfs_defer_op_type { void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); void xfs_defer_init_types(void); +/* XXX: compatibility shims, will go away in the next patch */ +#define xfs_bmap_finish xfs_defer_finish +#define xfs_bmap_cancel xfs_defer_cancel +#define xfs_bmap_init xfs_defer_init +#define xfs_bmap_free xfs_defer_ops +typedef struct xfs_defer_ops xfs_bmap_free_t; + #endif /* __XFS_DEFER_H__ */ diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c index 723b267..402611f 100644 --- a/libxfs/xfs_dir2.c +++ b/libxfs/xfs_dir2.c @@ -21,6 +21,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 249512b..44d5e76 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_ialloc.h" diff --git a/libxfs/xfs_inode_buf.c b/libxfs/xfs_inode_buf.c index c21a4e6..572c101 100644 --- a/libxfs/xfs_inode_buf.c +++ b/libxfs/xfs_inode_buf.c @@ -22,6 +22,7 @@ #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_cksum.h" #include "xfs_trans.h" diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c index e2cc83e..a4ee48e 100644 --- a/libxfs/xfs_sb.c +++ b/libxfs/xfs_sb.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_ialloc.h" #include "xfs_alloc.h" From darrick.wong@oracle.com Thu Jun 16 20:33:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C66E080AD for ; Thu, 16 Jun 2016 20:33:29 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 961A930404E for ; Thu, 16 Jun 2016 18:33:29 -0700 (PDT) X-ASG-Debug-ID: 1466127203-04cbb01fec69f70001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id mhGapm6kVpbNl6Ab (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:23 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1XHXx015662 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:18 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XHwJ022116 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:17 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XGJb027326; Fri, 17 Jun 2016 01:33:16 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:15 -0700 Subject: [PATCH 024/145] xfs: change xfs_bmap_{finish, cancel, init, free} -> xfs_defer_* From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 024/145] xfs: change xfs_bmap_{finish, cancel, init, free} -> xfs_defer_* To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:33:14 -0700 Message-ID: <146612719455.16048.11674455237736983086.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127203 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 41084 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_MV0249, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 2.00 BSF_SC0_MV0249 Custom rule MV0249 Drop the compatibility shims that we were using to integrate the new deferred operation mechanism into the existing code. No new code. Signed-off-by: Darrick J. Wong --- include/libxfs.h | 3 -- libxfs/util.c | 8 +++-- libxfs/xfs_attr.c | 58 ++++++++++++++++++++------------------- libxfs/xfs_attr_remote.c | 14 +++++---- libxfs/xfs_bmap.c | 38 +++++++++++++------------- libxfs/xfs_bmap.h | 10 +++---- libxfs/xfs_btree.h | 5 ++- libxfs/xfs_da_btree.h | 4 +-- libxfs/xfs_defer.h | 7 ----- libxfs/xfs_dir2.c | 6 ++-- libxfs/xfs_dir2.h | 8 +++-- libxfs/xfs_ialloc.c | 6 ++-- libxfs/xfs_ialloc.h | 2 + libxfs/xfs_trans_resv.c | 4 +-- mkfs/proto.c | 30 ++++++++++---------- repair/phase6.c | 68 +++++++++++++++++++++++----------------------- 16 files changed, 131 insertions(+), 140 deletions(-) diff --git a/include/libxfs.h b/include/libxfs.h index 71e758b..863b0e3 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -164,9 +164,6 @@ extern unsigned int libxfs_log2_roundup(unsigned int i); extern int libxfs_alloc_file_space (struct xfs_inode *, xfs_off_t, xfs_off_t, int, int); -#define libxfs_bmap_finish xfs_defer_finish -#define libxfs_bmap_cancel xfs_defer_cancel -#define xfs_bmap_free_t struct xfs_defer_ops extern void libxfs_fs_repair_cmn_err(int, struct xfs_mount *, char *, ...); extern void libxfs_fs_cmn_err(int, struct xfs_mount *, char *, ...); diff --git a/libxfs/util.c b/libxfs/util.c index ab007b0..4b81818 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -493,7 +493,7 @@ libxfs_alloc_file_space( xfs_filblks_t allocated_fsb; xfs_filblks_t allocatesize_fsb; xfs_fsblock_t firstfsb; - xfs_bmap_free_t free_list; + struct xfs_defer_ops free_list; xfs_bmbt_irec_t *imapp; xfs_bmbt_irec_t imaps[1]; int reccount; @@ -535,7 +535,7 @@ libxfs_alloc_file_space( } xfs_trans_ijoin(tp, ip, 0); - xfs_bmap_init(&free_list, &firstfsb); + xfs_defer_init(&free_list, &firstfsb); error = xfs_bmapi_write(tp, ip, startoffset_fsb, allocatesize_fsb, xfs_bmapi_flags, &firstfsb, 0, imapp, &reccount, &free_list); @@ -544,7 +544,7 @@ libxfs_alloc_file_space( goto error0; /* complete the transaction */ - error = xfs_bmap_finish(&tp, &free_list, ip); + error = xfs_defer_finish(&tp, &free_list, ip); if (error) goto error0; @@ -562,7 +562,7 @@ libxfs_alloc_file_space( return error; error0: /* Cancel bmap, cancel trans */ - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); xfs_trans_cancel(tp); return error; } diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c index ee370dc..06b3c5d 100644 --- a/libxfs/xfs_attr.c +++ b/libxfs/xfs_attr.c @@ -199,7 +199,7 @@ xfs_attr_set( { struct xfs_mount *mp = dp->i_mount; struct xfs_da_args args; - struct xfs_bmap_free flist; + struct xfs_defer_ops flist; struct xfs_trans_res tres; xfs_fsblock_t firstblock; int rsvd = (flags & ATTR_ROOT) != 0; @@ -312,13 +312,13 @@ xfs_attr_set( * It won't fit in the shortform, transform to a leaf block. * GROT: another possible req'mt for a double-split btree op. */ - xfs_bmap_init(args.flist, args.firstblock); + xfs_defer_init(args.flist, args.firstblock); error = xfs_attr_shortform_to_leaf(&args); if (!error) - error = xfs_bmap_finish(&args.trans, args.flist, dp); + error = xfs_defer_finish(&args.trans, args.flist, dp); if (error) { args.trans = NULL; - xfs_bmap_cancel(&flist); + xfs_defer_cancel(&flist); goto out; } @@ -378,7 +378,7 @@ xfs_attr_remove( { struct xfs_mount *mp = dp->i_mount; struct xfs_da_args args; - struct xfs_bmap_free flist; + struct xfs_defer_ops flist; xfs_fsblock_t firstblock; int error; @@ -580,13 +580,13 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * Commit that transaction so that the node_addname() call * can manage its own transactions. */ - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_node(args); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } @@ -670,15 +670,15 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) - error = xfs_bmap_finish(&args->trans, + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } } @@ -733,14 +733,14 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } } @@ -859,14 +859,14 @@ restart: */ xfs_da_state_free(state); state = NULL; - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_node(args); if (!error) - error = xfs_bmap_finish(&args->trans, + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } @@ -887,13 +887,13 @@ restart: * in the index/blkno/rmtblkno/rmtblkcnt fields and * in the index2/blkno2/rmtblkno2/rmtblkcnt2 fields. */ - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_da3_split(state); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } } else { @@ -986,14 +986,14 @@ restart: * Check to see if the tree needs to be collapsed. */ if (retval && (state->path.active > 1)) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_da3_join(state); if (!error) - error = xfs_bmap_finish(&args->trans, + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } } @@ -1109,13 +1109,13 @@ xfs_attr_node_removename(xfs_da_args_t *args) * Check to see if the tree needs to be collapsed. */ if (retval && (state->path.active > 1)) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_da3_join(state); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } /* @@ -1142,15 +1142,15 @@ xfs_attr_node_removename(xfs_da_args_t *args) goto out; if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) - error = xfs_bmap_finish(&args->trans, + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); goto out; } } else diff --git a/libxfs/xfs_attr_remote.c b/libxfs/xfs_attr_remote.c index ed4cc94..dc545f0 100644 --- a/libxfs/xfs_attr_remote.c +++ b/libxfs/xfs_attr_remote.c @@ -456,16 +456,16 @@ xfs_attr_rmtval_set( * extent and then crash then the block may not contain the * correct metadata after log recovery occurs. */ - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); nmap = 1; error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, blkcnt, XFS_BMAPI_ATTRFORK, args->firstblock, args->total, &map, &nmap, args->flist); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->flist, dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } @@ -499,7 +499,7 @@ xfs_attr_rmtval_set( ASSERT(blkcnt > 0); - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); nmap = 1; error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno, blkcnt, &map, &nmap, @@ -599,16 +599,16 @@ xfs_attr_rmtval_remove( blkcnt = args->rmtblkcnt; done = 0; while (!done) { - xfs_bmap_init(args->flist, args->firstblock); + xfs_defer_init(args->flist, args->firstblock); error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt, XFS_BMAPI_ATTRFORK, 1, args->firstblock, args->flist, &done); if (!error) - error = xfs_bmap_finish(&args->trans, args->flist, + error = xfs_defer_finish(&args->trans, args->flist, args->dp); if (error) { args->trans = NULL; - xfs_bmap_cancel(args->flist); + xfs_defer_cancel(args->flist); return error; } diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index a2d8268..0faa0a9 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -564,7 +564,7 @@ xfs_bmap_validate_ret( void xfs_bmap_add_free( struct xfs_mount *mp, /* mount point structure */ - struct xfs_bmap_free *flist, /* list of extents */ + struct xfs_defer_ops *flist, /* list of extents */ xfs_fsblock_t bno, /* fs block number of extent */ xfs_filblks_t len) /* length of extent */ { @@ -664,7 +664,7 @@ xfs_bmap_extents_to_btree( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first-block-allocated */ - xfs_bmap_free_t *flist, /* blocks freed in xaction */ + struct xfs_defer_ops *flist, /* blocks freed in xaction */ xfs_btree_cur_t **curp, /* cursor returned to caller */ int wasdel, /* converting a delayed alloc */ int *logflagsp, /* inode logging flags */ @@ -932,7 +932,7 @@ xfs_bmap_add_attrfork_btree( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - xfs_bmap_free_t *flist, /* blocks to free at commit */ + struct xfs_defer_ops *flist, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -975,7 +975,7 @@ xfs_bmap_add_attrfork_extents( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - xfs_bmap_free_t *flist, /* blocks to free at commit */ + struct xfs_defer_ops *flist, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -1010,7 +1010,7 @@ xfs_bmap_add_attrfork_local( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - xfs_bmap_free_t *flist, /* blocks to free at commit */ + struct xfs_defer_ops *flist, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_da_args_t dargs; /* args for dir/attr code */ @@ -1051,7 +1051,7 @@ xfs_bmap_add_attrfork( int rsvd) /* xact may use reserved blks */ { xfs_fsblock_t firstblock; /* 1st block/ag allocated */ - xfs_bmap_free_t flist; /* freed extent records */ + struct xfs_defer_ops flist; /* freed extent records */ xfs_mount_t *mp; /* mount structure */ xfs_trans_t *tp; /* transaction pointer */ int blks; /* space reservation */ @@ -1117,7 +1117,7 @@ xfs_bmap_add_attrfork( ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP); ip->i_afp->if_flags = XFS_IFEXTENTS; logflags = 0; - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); switch (ip->i_d.di_format) { case XFS_DINODE_FMT_LOCAL: error = xfs_bmap_add_attrfork_local(tp, ip, &firstblock, &flist, @@ -1157,7 +1157,7 @@ xfs_bmap_add_attrfork( xfs_log_sb(tp); } - error = xfs_bmap_finish(&tp, &flist, NULL); + error = xfs_defer_finish(&tp, &flist, NULL); if (error) goto bmap_cancel; error = xfs_trans_commit(tp); @@ -1165,7 +1165,7 @@ xfs_bmap_add_attrfork( return error; bmap_cancel: - xfs_bmap_cancel(&flist); + xfs_defer_cancel(&flist); trans_cancel: xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -2206,7 +2206,7 @@ xfs_bmap_add_extent_unwritten_real( xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ xfs_fsblock_t *first, /* pointer to firstblock variable */ - xfs_bmap_free_t *flist, /* list of extents to be freed */ + struct xfs_defer_ops *flist, /* list of extents to be freed */ int *logflagsp) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -4439,7 +4439,7 @@ xfs_bmapi_write( xfs_extlen_t total, /* total blocks needed */ struct xfs_bmbt_irec *mval, /* output: map values */ int *nmap, /* i/o: mval size/count */ - struct xfs_bmap_free *flist) /* i/o: list extents to free */ + struct xfs_defer_ops *flist) /* i/o: list extents to free */ { struct xfs_mount *mp = ip->i_mount; struct xfs_ifork *ifp; @@ -4727,7 +4727,7 @@ xfs_bmap_del_extent( xfs_inode_t *ip, /* incore inode pointer */ xfs_trans_t *tp, /* current transaction pointer */ xfs_extnum_t *idx, /* extent number to update/delete */ - xfs_bmap_free_t *flist, /* list of extents to be freed */ + struct xfs_defer_ops *flist, /* list of extents to be freed */ xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *del, /* data to remove from extents */ int *logflagsp, /* inode logging flags */ @@ -5056,7 +5056,7 @@ xfs_bunmapi( xfs_extnum_t nexts, /* number of extents max */ xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ - xfs_bmap_free_t *flist, /* i/o: list extents to free */ + struct xfs_defer_ops *flist, /* i/o: list extents to free */ int *done) /* set if not done yet */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -5670,7 +5670,7 @@ xfs_bmap_shift_extents( int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, - struct xfs_bmap_free *flist, + struct xfs_defer_ops *flist, enum shift_direction direction, int num_exts) { @@ -5824,7 +5824,7 @@ xfs_bmap_split_extent_at( struct xfs_inode *ip, xfs_fileoff_t split_fsb, xfs_fsblock_t *firstfsb, - struct xfs_bmap_free *free_list) + struct xfs_defer_ops *free_list) { int whichfork = XFS_DATA_FORK; struct xfs_btree_cur *cur = NULL; @@ -5963,7 +5963,7 @@ xfs_bmap_split_extent( { struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp; - struct xfs_bmap_free free_list; + struct xfs_defer_ops free_list; xfs_fsblock_t firstfsb; int error; @@ -5975,21 +5975,21 @@ xfs_bmap_split_extent( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_bmap_init(&free_list, &firstfsb); + xfs_defer_init(&free_list, &firstfsb); error = xfs_bmap_split_extent_at(tp, ip, split_fsb, &firstfsb, &free_list); if (error) goto out; - error = xfs_bmap_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &free_list, NULL); if (error) goto out; return xfs_trans_commit(tp); out: - xfs_bmap_cancel(&free_list); + xfs_defer_cancel(&free_list); xfs_trans_cancel(tp); return error; } diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index 9a74610..a779cc5 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -32,7 +32,7 @@ extern kmem_zone_t *xfs_bmap_free_item_zone; */ struct xfs_bmalloca { xfs_fsblock_t *firstblock; /* i/o first block allocated */ - struct xfs_bmap_free *flist; /* bmap freelist */ + struct xfs_defer_ops *flist; /* bmap freelist */ struct xfs_trans *tp; /* transaction pointer */ struct xfs_inode *ip; /* incore inode pointer */ struct xfs_bmbt_irec prev; /* extent before the new one */ @@ -164,7 +164,7 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt, int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); -void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist, +void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *flist, xfs_fsblock_t bno, xfs_filblks_t len); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, @@ -186,18 +186,18 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_fsblock_t *firstblock, xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap, - struct xfs_bmap_free *flist); + struct xfs_defer_ops *flist); int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, - struct xfs_bmap_free *flist, int *done); + struct xfs_defer_ops *flist, int *done); int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, xfs_extnum_t num); uint xfs_default_attroffset(struct xfs_inode *ip); int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t *next_fsb, xfs_fileoff_t offset_shift_fsb, int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, - struct xfs_bmap_free *flist, enum shift_direction direction, + struct xfs_defer_ops *flist, enum shift_direction direction, int num_exts); int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset); diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 0ec3055..ae714a8 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -19,7 +19,7 @@ #define __XFS_BTREE_H__ struct xfs_buf; -struct xfs_bmap_free; +struct xfs_defer_ops; struct xfs_inode; struct xfs_mount; struct xfs_trans; @@ -234,11 +234,12 @@ typedef struct xfs_btree_cur union { struct { /* needed for BNO, CNT, INO */ struct xfs_buf *agbp; /* agf/agi buffer pointer */ + struct xfs_defer_ops *flist; /* deferred updates */ xfs_agnumber_t agno; /* ag number */ } a; struct { /* needed for BMAP */ struct xfs_inode *ip; /* pointer to our inode */ - struct xfs_bmap_free *flist; /* list to free after */ + struct xfs_defer_ops *flist; /* deferred updates */ xfs_fsblock_t firstblock; /* 1st blk allocated */ int allocated; /* count of alloced */ short forksize; /* fork's inode space */ diff --git a/libxfs/xfs_da_btree.h b/libxfs/xfs_da_btree.h index 6e153e3..249813a 100644 --- a/libxfs/xfs_da_btree.h +++ b/libxfs/xfs_da_btree.h @@ -19,7 +19,7 @@ #ifndef __XFS_DA_BTREE_H__ #define __XFS_DA_BTREE_H__ -struct xfs_bmap_free; +struct xfs_defer_ops; struct xfs_inode; struct xfs_trans; struct zone; @@ -70,7 +70,7 @@ typedef struct xfs_da_args { xfs_ino_t inumber; /* input/output inode number */ struct xfs_inode *dp; /* directory inode to manipulate */ xfs_fsblock_t *firstblock; /* ptr to firstblock for bmap calls */ - struct xfs_bmap_free *flist; /* ptr to freelist for bmap_finish */ + struct xfs_defer_ops *flist; /* ptr to freelist for bmap_finish */ struct xfs_trans *trans; /* current trans (changes over time) */ xfs_extlen_t total; /* total blocks needed, for 1st bmap */ int whichfork; /* data or attribute fork */ diff --git a/libxfs/xfs_defer.h b/libxfs/xfs_defer.h index 4c05ba6..743fc32 100644 --- a/libxfs/xfs_defer.h +++ b/libxfs/xfs_defer.h @@ -94,11 +94,4 @@ struct xfs_defer_op_type { void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); void xfs_defer_init_types(void); -/* XXX: compatibility shims, will go away in the next patch */ -#define xfs_bmap_finish xfs_defer_finish -#define xfs_bmap_cancel xfs_defer_cancel -#define xfs_bmap_init xfs_defer_init -#define xfs_bmap_free xfs_defer_ops -typedef struct xfs_defer_ops xfs_bmap_free_t; - #endif /* __XFS_DEFER_H__ */ diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c index 402611f..6edaa8e 100644 --- a/libxfs/xfs_dir2.c +++ b/libxfs/xfs_dir2.c @@ -258,7 +258,7 @@ xfs_dir_createname( struct xfs_name *name, xfs_ino_t inum, /* new entry inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ - xfs_bmap_free_t *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -435,7 +435,7 @@ xfs_dir_removename( struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, /* bmap's firstblock */ - xfs_bmap_free_t *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -497,7 +497,7 @@ xfs_dir_replace( struct xfs_name *name, /* name of entry to replace */ xfs_ino_t inum, /* new inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ - xfs_bmap_free_t *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *flist, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; diff --git a/libxfs/xfs_dir2.h b/libxfs/xfs_dir2.h index 0a62e73..5737d85 100644 --- a/libxfs/xfs_dir2.h +++ b/libxfs/xfs_dir2.h @@ -18,7 +18,7 @@ #ifndef __XFS_DIR2_H__ #define __XFS_DIR2_H__ -struct xfs_bmap_free; +struct xfs_defer_ops; struct xfs_da_args; struct xfs_inode; struct xfs_mount; @@ -129,18 +129,18 @@ extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_bmap_free *flist, xfs_extlen_t tot); + struct xfs_defer_ops *flist, xfs_extlen_t tot); extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t *inum, struct xfs_name *ci_name); extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, - struct xfs_bmap_free *flist, xfs_extlen_t tot); + struct xfs_defer_ops *flist, xfs_extlen_t tot); extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_bmap_free *flist, xfs_extlen_t tot); + struct xfs_defer_ops *flist, xfs_extlen_t tot); extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name); diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 44d5e76..d03570c 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -1812,7 +1812,7 @@ xfs_difree_inode_chunk( struct xfs_mount *mp, xfs_agnumber_t agno, struct xfs_inobt_rec_incore *rec, - struct xfs_bmap_free *flist) + struct xfs_defer_ops *flist) { xfs_agblock_t sagbno = XFS_AGINO_TO_AGBNO(mp, rec->ir_startino); int startidx, endidx; @@ -1884,7 +1884,7 @@ xfs_difree_inobt( struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agino_t agino, - struct xfs_bmap_free *flist, + struct xfs_defer_ops *flist, struct xfs_icluster *xic, struct xfs_inobt_rec_incore *orec) { @@ -2116,7 +2116,7 @@ int xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ - struct xfs_bmap_free *flist, /* extents to free */ + struct xfs_defer_ops *flist, /* extents to free */ struct xfs_icluster *xic) /* cluster info if deleted */ { /* REFERENCED */ diff --git a/libxfs/xfs_ialloc.h b/libxfs/xfs_ialloc.h index 6e450df..2e06b67 100644 --- a/libxfs/xfs_ialloc.h +++ b/libxfs/xfs_ialloc.h @@ -95,7 +95,7 @@ int /* error */ xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ - struct xfs_bmap_free *flist, /* extents to free */ + struct xfs_defer_ops *flist, /* extents to free */ struct xfs_icluster *ifree); /* cluster info if deleted */ /* diff --git a/libxfs/xfs_trans_resv.c b/libxfs/xfs_trans_resv.c index 9e519a5..c55220f 100644 --- a/libxfs/xfs_trans_resv.c +++ b/libxfs/xfs_trans_resv.c @@ -152,9 +152,9 @@ xfs_calc_finobt_res( * item logged to try to account for the overhead of the transaction mechanism. * * Note: Most of the reservations underestimate the number of allocation - * groups into which they could free extents in the xfs_bmap_finish() call. + * groups into which they could free extents in the xfs_defer_finish() call. * This is because the number in the worst case is quite high and quite - * unusual. In order to fix this we need to change xfs_bmap_finish() to free + * unusual. In order to fix this we need to change xfs_defer_finish() to free * extents in only a single AG at a time. This will require changes to the * EFI code as well, however, so that the EFI for the extents not freed is * logged again in each transaction. See SGI PV #261917. diff --git a/mkfs/proto.c b/mkfs/proto.c index edbaa33..f0c33e4 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -27,7 +27,7 @@ static char *getstr(char **pp); static void fail(char *msg, int i); static void getres(struct xfs_mount *mp, uint blocks, struct xfs_trans **tpp); static void rsvfile(xfs_mount_t *mp, xfs_inode_t *ip, long long len); -static int newfile(xfs_trans_t *tp, xfs_inode_t *ip, xfs_bmap_free_t *flist, +static int newfile(xfs_trans_t *tp, xfs_inode_t *ip, struct xfs_defer_ops *flist, xfs_fsblock_t *first, int dolocal, int logit, char *buf, int len); static char *newregfile(char **pp, int *len); static void rtinit(xfs_mount_t *mp); @@ -236,7 +236,7 @@ static int newfile( xfs_trans_t *tp, xfs_inode_t *ip, - xfs_bmap_free_t *flist, + struct xfs_defer_ops *flist, xfs_fsblock_t *first, int dolocal, int logit, @@ -329,7 +329,7 @@ newdirent( struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - xfs_bmap_free_t *flist) + struct xfs_defer_ops *flist) { int error; int rsv; @@ -375,7 +375,7 @@ parseproto( int error; xfs_fsblock_t first; int flags; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; int fmt; int i; xfs_inode_t *ip; @@ -460,7 +460,7 @@ parseproto( xname.len = name ? strlen(name) : 0; xname.type = 0; flags = XFS_ILOG_CORE; - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); switch (fmt) { case IF_REGULAR: buf = newregfile(pp, &len); @@ -500,7 +500,7 @@ parseproto( newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); libxfs_trans_log_inode(tp, ip, flags); - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); if (error) fail(_("Pre-allocated file creation failed"), error); libxfs_trans_commit(tp); @@ -582,7 +582,7 @@ parseproto( } newdirectory(mp, tp, ip, pip); libxfs_trans_log_inode(tp, ip, flags); - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); if (error) fail(_("Directory creation failed"), error); libxfs_trans_commit(tp); @@ -608,7 +608,7 @@ parseproto( fail(_("Unknown format"), EINVAL); } libxfs_trans_log_inode(tp, ip, flags); - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); if (error) { fail(_("Error encountered creating file from prototype file"), error); @@ -638,7 +638,7 @@ rtinit( xfs_bmbt_irec_t *ep; int error; xfs_fsblock_t first; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; int i; xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; xfs_extlen_t nsumblocks; @@ -697,7 +697,7 @@ rtinit( libxfs_trans_ijoin(tp, rbmip, 0); bno = 0; - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); while (bno < mp->m_sb.sb_rbmblocks) { nmap = XFS_BMAP_MAX_NMAP; error = -libxfs_bmapi_write(tp, rbmip, bno, @@ -716,7 +716,7 @@ rtinit( } } - error = -libxfs_bmap_finish(&tp, &flist, rbmip); + error = -xfs_defer_finish(&tp, &flist, rbmip); if (error) { fail(_("Completion of the realtime bitmap failed"), error); } @@ -732,7 +732,7 @@ rtinit( res_failed(i); libxfs_trans_ijoin(tp, rsumip, 0); bno = 0; - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); while (bno < nsumblocks) { nmap = XFS_BMAP_MAX_NMAP; error = -libxfs_bmapi_write(tp, rsumip, bno, @@ -750,7 +750,7 @@ rtinit( bno += ep->br_blockcount; } } - error = -libxfs_bmap_finish(&tp, &flist, rsumip); + error = -xfs_defer_finish(&tp, &flist, rsumip); if (error) { fail(_("Completion of the realtime summary failed"), error); } @@ -765,7 +765,7 @@ rtinit( if (i) res_failed(i); libxfs_trans_ijoin(tp, rbmip, 0); - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); ebno = XFS_RTMIN(mp->m_sb.sb_rextents, bno + NBBY * mp->m_sb.sb_blocksize); error = -libxfs_rtfree_extent(tp, bno, (xfs_extlen_t)(ebno-bno)); @@ -773,7 +773,7 @@ rtinit( fail(_("Error initializing the realtime space"), error); } - error = -libxfs_bmap_finish(&tp, &flist, rbmip); + error = -xfs_defer_finish(&tp, &flist, rbmip); if (error) { fail(_("Error completing the realtime space"), error); } diff --git a/repair/phase6.c b/repair/phase6.c index d1acb68..961f7bc 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -484,7 +484,7 @@ mk_rbmino(xfs_mount_t *mp) int i; int nmap; int error; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; xfs_fileoff_t bno; xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; int vers; @@ -550,7 +550,7 @@ mk_rbmino(xfs_mount_t *mp) libxfs_trans_ijoin(tp, ip, 0); bno = 0; - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); while (bno < mp->m_sb.sb_rbmblocks) { nmap = XFS_BMAP_MAX_NMAP; error = -libxfs_bmapi_write(tp, ip, bno, @@ -569,7 +569,7 @@ mk_rbmino(xfs_mount_t *mp) bno += ep->br_blockcount; } } - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); if (error) { do_error( _("allocation of the realtime bitmap failed, error = %d\n"), @@ -731,7 +731,7 @@ mk_rsumino(xfs_mount_t *mp) int nmap; int error; int nsumblocks; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; xfs_fileoff_t bno; xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; int vers; @@ -789,7 +789,7 @@ mk_rsumino(xfs_mount_t *mp) * then allocate blocks for file and fill with zeroes (stolen * from mkfs) */ - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); nsumblocks = mp->m_rsumsize >> mp->m_sb.sb_blocklog; tres.tr_logres = BBTOB(128); @@ -803,7 +803,7 @@ mk_rsumino(xfs_mount_t *mp) libxfs_trans_ijoin(tp, ip, 0); bno = 0; - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); while (bno < nsumblocks) { nmap = XFS_BMAP_MAX_NMAP; error = -libxfs_bmapi_write(tp, ip, bno, @@ -821,7 +821,7 @@ mk_rsumino(xfs_mount_t *mp) bno += ep->br_blockcount; } } - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); if (error) { do_error( _("allocation of the realtime summary ino failed, error = %d\n"), @@ -919,7 +919,7 @@ mk_orphanage(xfs_mount_t *mp) int ino_offset = 0; int i; int error; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; const int mode = 0755; int nres; struct xfs_name xname; @@ -945,7 +945,7 @@ mk_orphanage(xfs_mount_t *mp) * could not be found, create it */ - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); nres = XFS_MKDIR_SPACE_RES(mp, xname.len); i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, nres, 0, 0, &tp); @@ -1028,7 +1028,7 @@ mk_orphanage(xfs_mount_t *mp) libxfs_dir_init(tp, ip, pip); libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); if (error) { do_error(_("%s directory creation failed -- bmapf error %d\n"), ORPHANAGE, error); @@ -1057,7 +1057,7 @@ mv_orphanage( xfs_inode_t *ino_p; xfs_trans_t *tp; xfs_fsblock_t first; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; int err; unsigned char fname[MAXPATHLEN + 1]; int nres; @@ -1110,7 +1110,7 @@ mv_orphanage( libxfs_trans_ijoin(tp, orphanage_ip, 0); libxfs_trans_ijoin(tp, ino_p, 0); - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); err = -libxfs_dir_createname(tp, orphanage_ip, &xname, ino, &first, &flist, nres); if (err) @@ -1134,7 +1134,7 @@ mv_orphanage( inc_nlink(VFS_I(ino_p)); libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); - err = -libxfs_bmap_finish(&tp, &flist, ino_p); + err = -xfs_defer_finish(&tp, &flist, ino_p); if (err) do_error( _("bmap finish failed (err - %d), filesystem may be out of space\n"), @@ -1152,7 +1152,7 @@ mv_orphanage( libxfs_trans_ijoin(tp, orphanage_ip, 0); libxfs_trans_ijoin(tp, ino_p, 0); - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); err = -libxfs_dir_createname(tp, orphanage_ip, &xname, ino, &first, &flist, nres); @@ -1181,7 +1181,7 @@ mv_orphanage( err); } - err = -libxfs_bmap_finish(&tp, &flist, ino_p); + err = -xfs_defer_finish(&tp, &flist, ino_p); if (err) do_error( _("bmap finish failed (%d), filesystem may be out of space\n"), @@ -1208,7 +1208,7 @@ mv_orphanage( libxfs_trans_ijoin(tp, orphanage_ip, 0); libxfs_trans_ijoin(tp, ino_p, 0); - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); err = -libxfs_dir_createname(tp, orphanage_ip, &xname, ino, &first, &flist, nres); if (err) @@ -1220,7 +1220,7 @@ mv_orphanage( set_nlink(VFS_I(ino_p), 1); libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); - err = -libxfs_bmap_finish(&tp, &flist, ino_p); + err = -xfs_defer_finish(&tp, &flist, ino_p); if (err) do_error( _("bmap finish failed (%d), filesystem may be out of space\n"), @@ -1269,7 +1269,7 @@ longform_dir2_rebuild( xfs_trans_t *tp; xfs_fileoff_t lastblock; xfs_fsblock_t firstblock; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; xfs_inode_t pip; dir_hash_ent_t *p; int done; @@ -1292,7 +1292,7 @@ longform_dir2_rebuild( xfs_dir_ino_validate(mp, pip.i_ino)) pip.i_ino = mp->m_sb.sb_rootino; - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); nres = XFS_REMOVE_SPACE_RES(mp); error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); @@ -1320,7 +1320,7 @@ longform_dir2_rebuild( goto out_bmap_cancel; } - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); libxfs_trans_commit(tp); @@ -1344,7 +1344,7 @@ longform_dir2_rebuild( libxfs_trans_ijoin(tp, ip, 0); - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); error = -libxfs_dir_createname(tp, ip, &p->name, p->inum, &firstblock, &flist, nres); if (error) { @@ -1354,7 +1354,7 @@ _("name create failed in ino %" PRIu64 " (%d), filesystem may be out of space\n" goto out_bmap_cancel; } - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); if (error) { do_warn( _("bmap finish failed (%d), filesystem may be out of space\n"), @@ -1368,7 +1368,7 @@ _("name create failed in ino %" PRIu64 " (%d), filesystem may be out of space\n" return; out_bmap_cancel: - libxfs_bmap_cancel(&flist); + xfs_defer_cancel(&flist); libxfs_trans_cancel(tp); return; } @@ -1388,7 +1388,7 @@ dir2_kill_block( xfs_da_args_t args; int error; xfs_fsblock_t firstblock; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; int nres; xfs_trans_t *tp; @@ -1399,7 +1399,7 @@ dir2_kill_block( libxfs_trans_ijoin(tp, ip, 0); libxfs_trans_bjoin(tp, bp); memset(&args, 0, sizeof(args)); - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); args.dp = ip; args.trans = tp; args.firstblock = &firstblock; @@ -1414,7 +1414,7 @@ dir2_kill_block( if (error) do_error(_("shrink_inode failed inode %" PRIu64 " block %u\n"), ip->i_ino, da_bno); - libxfs_bmap_finish(&tp, &flist, ip); + xfs_defer_finish(&tp, &flist, ip); libxfs_trans_commit(tp); } @@ -1448,7 +1448,7 @@ longform_dir2_entry_check_data( char *endptr; int error; xfs_fsblock_t firstblock; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; char fname[MAXNAMELEN + 1]; freetab_t *freetab; int i; @@ -1590,7 +1590,7 @@ longform_dir2_entry_check_data( libxfs_trans_ijoin(tp, ip, 0); libxfs_trans_bjoin(tp, bp); libxfs_trans_bhold(tp, bp); - xfs_bmap_init(&flist, &firstblock); + xfs_defer_init(&flist, &firstblock); if (be32_to_cpu(d->magic) != wantmagic) { do_warn( _("bad directory block magic # %#x for directory inode %" PRIu64 " block %d: "), @@ -1889,7 +1889,7 @@ _("entry \"%s\" in dir inode %" PRIu64 " inconsistent with .. value (%" PRIu64 " repair_dir2_data_freescan(mp, M_DIROPS(mp), d, &i); if (needlog) libxfs_dir2_data_log_header(&da, bp); - libxfs_bmap_finish(&tp, &flist, ip); + xfs_defer_finish(&tp, &flist, ip); libxfs_trans_commit(tp); /* record the largest free space in the freetab for later checking */ @@ -2805,7 +2805,7 @@ process_dir_inode( int ino_offset) { xfs_ino_t ino; - xfs_bmap_free_t flist; + struct xfs_defer_ops flist; xfs_fsblock_t first; xfs_inode_t *ip; xfs_trans_t *tp; @@ -2943,7 +2943,7 @@ process_dir_inode( libxfs_trans_ijoin(tp, ip, 0); - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); error = -libxfs_dir_createname(tp, ip, &xfs_name_dotdot, ip->i_ino, &first, &flist, nres); @@ -2953,7 +2953,7 @@ process_dir_inode( libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); ASSERT(error == 0); libxfs_trans_commit(tp); @@ -3001,7 +3001,7 @@ process_dir_inode( libxfs_trans_ijoin(tp, ip, 0); - xfs_bmap_init(&flist, &first); + xfs_defer_init(&flist, &first); error = -libxfs_dir_createname(tp, ip, &xfs_name_dot, ip->i_ino, &first, &flist, nres); @@ -3012,7 +3012,7 @@ process_dir_inode( libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = -libxfs_bmap_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &flist, ip); ASSERT(error == 0); libxfs_trans_commit(tp); } From darrick.wong@oracle.com Thu Jun 16 20:33:37 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4768E80E5 for ; Thu, 16 Jun 2016 20:33:37 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id B3380AC001 for ; Thu, 16 Jun 2016 18:33:36 -0700 (PDT) X-ASG-Debug-ID: 1466127214-04cb6c542757de0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id UQz22uCkfYCZUdOT (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:34 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1XUbk015768 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:30 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XT3H001645 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:30 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XTHP022557; Fri, 17 Jun 2016 01:33:29 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:28 -0700 Subject: [PATCH 026/145] xfs: add tracepoints and error injection for deferred extent freeing From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 026/145] xfs: add tracepoints and error injection for deferred extent freeing To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:33:27 -0700 Message-ID: <146612720745.16048.11281695022246629048.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127214 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1891 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add a couple of tracepoints for the deferred extent free operation and a site for injecting errors while finishing the operation. This makes it easier to debug deferred ops and test log redo. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 3 +++ libxfs/xfs_alloc.c | 7 +++++++ libxfs/xfs_bmap.c | 2 ++ 3 files changed, 12 insertions(+) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index dd0d46f..cdabd18 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -184,6 +184,9 @@ #define trace_xfs_defer_pending_cancel(...) ((void) 0) #define trace_xfs_defer_init(...) ((void) 0) +#define trace_xfs_bmap_free_deferred(...) ((void) 0) +#define trace_xfs_bmap_free_defer(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 8454816..06133c0 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -2700,6 +2700,13 @@ xfs_free_extent( ASSERT(len != 0); + trace_xfs_bmap_free_deferred(mp, agno, 0, agbno, len); + + if (XFS_TEST_ERROR(false, mp, + XFS_ERRTAG_FREE_EXTENT, + XFS_RANDOM_FREE_EXTENT)) + return -EIO; + error = xfs_free_extent_fix_freelist(tp, agno, &agbp); if (error) return error; diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 5385800..33e181c 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -588,6 +588,8 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; + trace_xfs_bmap_free_defer(mp, XFS_FSB_TO_AGNO(mp, bno), 0, + XFS_FSB_TO_AGBNO(mp, bno), len); xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); } From darrick.wong@oracle.com Thu Jun 16 20:33:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AAB8D80E4 for ; Thu, 16 Jun 2016 20:33:36 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4AA8430404E for ; Thu, 16 Jun 2016 18:33:36 -0700 (PDT) X-ASG-Debug-ID: 1466127208-04bdf01e1596020001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id MFZYRI1OGqQNHdLy (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:28 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1XN0j015703 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:23 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XNIA029012 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:23 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XM5L027343; Fri, 17 Jun 2016 01:33:23 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:22 -0700 Subject: [PATCH 025/145] xfs: rename flist/free_list to dfops From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 025/145] xfs: rename flist/free_list to dfops To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:33:21 -0700 Message-ID: <146612720098.16048.4119801736083912091.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127208 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 64709 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Mechanical change of flist/free_list to dfops, since they're now deferred ops, not just a freeing list. Signed-off-by: Darrick J. Wong --- libxfs/util.c | 10 ++-- libxfs/xfs_attr.c | 62 ++++++++++++------------- libxfs/xfs_attr_leaf.c | 4 +- libxfs/xfs_attr_remote.c | 18 ++++--- libxfs/xfs_bmap.c | 116 +++++++++++++++++++++++----------------------- libxfs/xfs_bmap.h | 10 ++-- libxfs/xfs_bmap_btree.c | 14 +++--- libxfs/xfs_btree.h | 4 +- libxfs/xfs_da_btree.c | 6 +- libxfs/xfs_da_btree.h | 2 - libxfs/xfs_dir2.c | 14 +++--- libxfs/xfs_dir2.h | 6 +- libxfs/xfs_ialloc.c | 14 +++--- libxfs/xfs_ialloc.h | 2 - mkfs/proto.c | 56 +++++++++++----------- repair/phase6.c | 94 +++++++++++++++++++------------------ repair/sb.c | 10 ++-- 17 files changed, 221 insertions(+), 221 deletions(-) diff --git a/libxfs/util.c b/libxfs/util.c index 4b81818..5b277c2 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -493,7 +493,7 @@ libxfs_alloc_file_space( xfs_filblks_t allocated_fsb; xfs_filblks_t allocatesize_fsb; xfs_fsblock_t firstfsb; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_bmbt_irec_t *imapp; xfs_bmbt_irec_t imaps[1]; int reccount; @@ -535,16 +535,16 @@ libxfs_alloc_file_space( } xfs_trans_ijoin(tp, ip, 0); - xfs_defer_init(&free_list, &firstfsb); + xfs_defer_init(&dfops, &firstfsb); error = xfs_bmapi_write(tp, ip, startoffset_fsb, allocatesize_fsb, xfs_bmapi_flags, &firstfsb, 0, imapp, - &reccount, &free_list); + &reccount, &dfops); if (error) goto error0; /* complete the transaction */ - error = xfs_defer_finish(&tp, &free_list, ip); + error = xfs_defer_finish(&tp, &dfops, ip); if (error) goto error0; @@ -562,7 +562,7 @@ libxfs_alloc_file_space( return error; error0: /* Cancel bmap, cancel trans */ - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); xfs_trans_cancel(tp); return error; } diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c index 06b3c5d..60513f9 100644 --- a/libxfs/xfs_attr.c +++ b/libxfs/xfs_attr.c @@ -199,7 +199,7 @@ xfs_attr_set( { struct xfs_mount *mp = dp->i_mount; struct xfs_da_args args; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; struct xfs_trans_res tres; xfs_fsblock_t firstblock; int rsvd = (flags & ATTR_ROOT) != 0; @@ -217,7 +217,7 @@ xfs_attr_set( args.value = value; args.valuelen = valuelen; args.firstblock = &firstblock; - args.flist = &flist; + args.dfops = &dfops; args.op_flags = XFS_DA_OP_ADDNAME | XFS_DA_OP_OKNOENT; args.total = xfs_attr_calc_size(&args, &local); @@ -312,13 +312,13 @@ xfs_attr_set( * It won't fit in the shortform, transform to a leaf block. * GROT: another possible req'mt for a double-split btree op. */ - xfs_defer_init(args.flist, args.firstblock); + xfs_defer_init(args.dfops, args.firstblock); error = xfs_attr_shortform_to_leaf(&args); if (!error) - error = xfs_defer_finish(&args.trans, args.flist, dp); + error = xfs_defer_finish(&args.trans, args.dfops, dp); if (error) { args.trans = NULL; - xfs_defer_cancel(&flist); + xfs_defer_cancel(&dfops); goto out; } @@ -378,7 +378,7 @@ xfs_attr_remove( { struct xfs_mount *mp = dp->i_mount; struct xfs_da_args args; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; xfs_fsblock_t firstblock; int error; @@ -395,7 +395,7 @@ xfs_attr_remove( return error; args.firstblock = &firstblock; - args.flist = &flist; + args.dfops = &dfops; /* * we have no control over the attribute names that userspace passes us @@ -580,13 +580,13 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * Commit that transaction so that the node_addname() call * can manage its own transactions. */ - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_node(args); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } @@ -670,15 +670,15 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) error = xfs_defer_finish(&args->trans, - args->flist, dp); + args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } } @@ -733,14 +733,14 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) * If the result is small enough, shrink it all into the inode. */ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } } @@ -859,14 +859,14 @@ restart: */ xfs_da_state_free(state); state = NULL; - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_node(args); if (!error) error = xfs_defer_finish(&args->trans, - args->flist, dp); + args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } @@ -887,13 +887,13 @@ restart: * in the index/blkno/rmtblkno/rmtblkcnt fields and * in the index2/blkno2/rmtblkno2/rmtblkcnt2 fields. */ - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_da3_split(state); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } } else { @@ -986,14 +986,14 @@ restart: * Check to see if the tree needs to be collapsed. */ if (retval && (state->path.active > 1)) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_da3_join(state); if (!error) error = xfs_defer_finish(&args->trans, - args->flist, dp); + args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } } @@ -1109,13 +1109,13 @@ xfs_attr_node_removename(xfs_da_args_t *args) * Check to see if the tree needs to be collapsed. */ if (retval && (state->path.active > 1)) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_da3_join(state); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } /* @@ -1142,15 +1142,15 @@ xfs_attr_node_removename(xfs_da_args_t *args) goto out; if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); /* bp is gone due to xfs_da_shrink_inode */ if (!error) error = xfs_defer_finish(&args->trans, - args->flist, dp); + args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); goto out; } } else diff --git a/libxfs/xfs_attr_leaf.c b/libxfs/xfs_attr_leaf.c index d0eb0a7..0ca0347 100644 --- a/libxfs/xfs_attr_leaf.c +++ b/libxfs/xfs_attr_leaf.c @@ -787,7 +787,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args) nargs.dp = dp; nargs.geo = args->geo; nargs.firstblock = args->firstblock; - nargs.flist = args->flist; + nargs.dfops = args->dfops; nargs.total = args->total; nargs.whichfork = XFS_ATTR_FORK; nargs.trans = args->trans; @@ -917,7 +917,7 @@ xfs_attr3_leaf_to_shortform( nargs.geo = args->geo; nargs.dp = dp; nargs.firstblock = args->firstblock; - nargs.flist = args->flist; + nargs.dfops = args->dfops; nargs.total = args->total; nargs.whichfork = XFS_ATTR_FORK; nargs.trans = args->trans; diff --git a/libxfs/xfs_attr_remote.c b/libxfs/xfs_attr_remote.c index dc545f0..abe1705 100644 --- a/libxfs/xfs_attr_remote.c +++ b/libxfs/xfs_attr_remote.c @@ -456,16 +456,16 @@ xfs_attr_rmtval_set( * extent and then crash then the block may not contain the * correct metadata after log recovery occurs. */ - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); nmap = 1; error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, blkcnt, XFS_BMAPI_ATTRFORK, args->firstblock, - args->total, &map, &nmap, args->flist); + args->total, &map, &nmap, args->dfops); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, dp); + error = xfs_defer_finish(&args->trans, args->dfops, dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } @@ -499,7 +499,7 @@ xfs_attr_rmtval_set( ASSERT(blkcnt > 0); - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); nmap = 1; error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno, blkcnt, &map, &nmap, @@ -599,16 +599,16 @@ xfs_attr_rmtval_remove( blkcnt = args->rmtblkcnt; done = 0; while (!done) { - xfs_defer_init(args->flist, args->firstblock); + xfs_defer_init(args->dfops, args->firstblock); error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt, XFS_BMAPI_ATTRFORK, 1, args->firstblock, - args->flist, &done); + args->dfops, &done); if (!error) - error = xfs_defer_finish(&args->trans, args->flist, + error = xfs_defer_finish(&args->trans, args->dfops, args->dp); if (error) { args->trans = NULL; - xfs_defer_cancel(args->flist); + xfs_defer_cancel(args->dfops); return error; } diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 0faa0a9..5385800 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -564,7 +564,7 @@ xfs_bmap_validate_ret( void xfs_bmap_add_free( struct xfs_mount *mp, /* mount point structure */ - struct xfs_defer_ops *flist, /* list of extents */ + struct xfs_defer_ops *dfops, /* list of extents */ xfs_fsblock_t bno, /* fs block number of extent */ xfs_filblks_t len) /* length of extent */ { @@ -588,7 +588,7 @@ xfs_bmap_add_free( new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; - xfs_defer_add(flist, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); } /* @@ -641,7 +641,7 @@ xfs_bmap_btree_to_extents( cblock = XFS_BUF_TO_BLOCK(cbp); if ((error = xfs_btree_check_block(cur, cblock, 0, cbp))) return error; - xfs_bmap_add_free(mp, cur->bc_private.b.flist, cbno, 1); + xfs_bmap_add_free(mp, cur->bc_private.b.dfops, cbno, 1); ip->i_d.di_nblocks--; xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L); xfs_trans_binval(tp, cbp); @@ -664,7 +664,7 @@ xfs_bmap_extents_to_btree( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first-block-allocated */ - struct xfs_defer_ops *flist, /* blocks freed in xaction */ + struct xfs_defer_ops *dfops, /* blocks freed in xaction */ xfs_btree_cur_t **curp, /* cursor returned to caller */ int wasdel, /* converting a delayed alloc */ int *logflagsp, /* inode logging flags */ @@ -713,7 +713,7 @@ xfs_bmap_extents_to_btree( */ cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; - cur->bc_private.b.flist = flist; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.flags = wasdel ? XFS_BTCUR_BPRV_WASDEL : 0; /* * Convert to a btree with two levels, one record in root. @@ -726,7 +726,7 @@ xfs_bmap_extents_to_btree( if (*firstblock == NULLFSBLOCK) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = XFS_INO_TO_FSB(mp, ip->i_ino); - } else if (flist->dop_low) { + } else if (dfops->dop_low) { args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = *firstblock; } else { @@ -747,7 +747,7 @@ xfs_bmap_extents_to_btree( ASSERT(args.fsbno != NULLFSBLOCK); ASSERT(*firstblock == NULLFSBLOCK || args.agno == XFS_FSB_TO_AGNO(mp, *firstblock) || - (flist->dop_low && + (dfops->dop_low && args.agno > XFS_FSB_TO_AGNO(mp, *firstblock))); *firstblock = cur->bc_private.b.firstblock = args.fsbno; cur->bc_private.b.allocated++; @@ -932,7 +932,7 @@ xfs_bmap_add_attrfork_btree( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - struct xfs_defer_ops *flist, /* blocks to free at commit */ + struct xfs_defer_ops *dfops, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -945,7 +945,7 @@ xfs_bmap_add_attrfork_btree( *flags |= XFS_ILOG_DBROOT; else { cur = xfs_bmbt_init_cursor(mp, tp, ip, XFS_DATA_FORK); - cur->bc_private.b.flist = flist; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.firstblock = *firstblock; if ((error = xfs_bmbt_lookup_ge(cur, 0, 0, 0, &stat))) goto error0; @@ -975,7 +975,7 @@ xfs_bmap_add_attrfork_extents( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - struct xfs_defer_ops *flist, /* blocks to free at commit */ + struct xfs_defer_ops *dfops, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -984,7 +984,7 @@ xfs_bmap_add_attrfork_extents( if (ip->i_d.di_nextents * sizeof(xfs_bmbt_rec_t) <= XFS_IFORK_DSIZE(ip)) return 0; cur = NULL; - error = xfs_bmap_extents_to_btree(tp, ip, firstblock, flist, &cur, 0, + error = xfs_bmap_extents_to_btree(tp, ip, firstblock, dfops, &cur, 0, flags, XFS_DATA_FORK); if (cur) { cur->bc_private.b.allocated = 0; @@ -1010,7 +1010,7 @@ xfs_bmap_add_attrfork_local( xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *ip, /* incore inode pointer */ xfs_fsblock_t *firstblock, /* first block allocated */ - struct xfs_defer_ops *flist, /* blocks to free at commit */ + struct xfs_defer_ops *dfops, /* blocks to free at commit */ int *flags) /* inode logging flags */ { xfs_da_args_t dargs; /* args for dir/attr code */ @@ -1023,7 +1023,7 @@ xfs_bmap_add_attrfork_local( dargs.geo = ip->i_mount->m_dir_geo; dargs.dp = ip; dargs.firstblock = firstblock; - dargs.flist = flist; + dargs.dfops = dfops; dargs.total = dargs.geo->fsbcount; dargs.whichfork = XFS_DATA_FORK; dargs.trans = tp; @@ -1051,7 +1051,7 @@ xfs_bmap_add_attrfork( int rsvd) /* xact may use reserved blks */ { xfs_fsblock_t firstblock; /* 1st block/ag allocated */ - struct xfs_defer_ops flist; /* freed extent records */ + struct xfs_defer_ops dfops; /* freed extent records */ xfs_mount_t *mp; /* mount structure */ xfs_trans_t *tp; /* transaction pointer */ int blks; /* space reservation */ @@ -1117,18 +1117,18 @@ xfs_bmap_add_attrfork( ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP); ip->i_afp->if_flags = XFS_IFEXTENTS; logflags = 0; - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); switch (ip->i_d.di_format) { case XFS_DINODE_FMT_LOCAL: - error = xfs_bmap_add_attrfork_local(tp, ip, &firstblock, &flist, + error = xfs_bmap_add_attrfork_local(tp, ip, &firstblock, &dfops, &logflags); break; case XFS_DINODE_FMT_EXTENTS: error = xfs_bmap_add_attrfork_extents(tp, ip, &firstblock, - &flist, &logflags); + &dfops, &logflags); break; case XFS_DINODE_FMT_BTREE: - error = xfs_bmap_add_attrfork_btree(tp, ip, &firstblock, &flist, + error = xfs_bmap_add_attrfork_btree(tp, ip, &firstblock, &dfops, &logflags); break; default: @@ -1157,7 +1157,7 @@ xfs_bmap_add_attrfork( xfs_log_sb(tp); } - error = xfs_defer_finish(&tp, &flist, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto bmap_cancel; error = xfs_trans_commit(tp); @@ -1165,7 +1165,7 @@ xfs_bmap_add_attrfork( return error; bmap_cancel: - xfs_defer_cancel(&flist); + xfs_defer_cancel(&dfops); trans_cancel: xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -1962,7 +1962,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, + bma->firstblock, bma->dfops, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -2046,7 +2046,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, &bma->cur, 1, + bma->firstblock, bma->dfops, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -2115,7 +2115,7 @@ xfs_bmap_add_extent_delay_real( if (xfs_bmap_needs_btree(bma->ip, whichfork)) { error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, &bma->cur, + bma->firstblock, bma->dfops, &bma->cur, 1, &tmp_rval, whichfork); rval |= tmp_rval; if (error) @@ -2164,7 +2164,7 @@ xfs_bmap_add_extent_delay_real( ASSERT(bma->cur == NULL); error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, &bma->cur, + bma->firstblock, bma->dfops, &bma->cur, da_old > 0, &tmp_logflags, whichfork); bma->logflags |= tmp_logflags; if (error) @@ -2206,7 +2206,7 @@ xfs_bmap_add_extent_unwritten_real( xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ xfs_bmbt_irec_t *new, /* new data to add to file extents */ xfs_fsblock_t *first, /* pointer to firstblock variable */ - struct xfs_defer_ops *flist, /* list of extents to be freed */ + struct xfs_defer_ops *dfops, /* list of extents to be freed */ int *logflagsp) /* inode logging flags */ { xfs_btree_cur_t *cur; /* btree cursor */ @@ -2699,7 +2699,7 @@ xfs_bmap_add_extent_unwritten_real( int tmp_logflags; /* partial log flag return val */ ASSERT(cur == NULL); - error = xfs_bmap_extents_to_btree(tp, ip, first, flist, &cur, + error = xfs_bmap_extents_to_btree(tp, ip, first, dfops, &cur, 0, &tmp_logflags, XFS_DATA_FORK); *logflagsp |= tmp_logflags; if (error) @@ -3092,7 +3092,7 @@ xfs_bmap_add_extent_hole_real( ASSERT(bma->cur == NULL); error = xfs_bmap_extents_to_btree(bma->tp, bma->ip, - bma->firstblock, bma->flist, &bma->cur, + bma->firstblock, bma->dfops, &bma->cur, 0, &tmp_logflags, whichfork); bma->logflags |= tmp_logflags; if (error) @@ -3667,7 +3667,7 @@ xfs_bmap_btalloc( error = xfs_bmap_btalloc_nullfb(ap, &args, &blen); if (error) return error; - } else if (ap->flist->dop_low) { + } else if (ap->dfops->dop_low) { if (xfs_inode_is_filestream(ap->ip)) args.type = XFS_ALLOCTYPE_FIRST_AG; else @@ -3700,7 +3700,7 @@ xfs_bmap_btalloc( * is >= the stripe unit and the allocation offset is * at the end of file. */ - if (!ap->flist->dop_low && ap->aeof) { + if (!ap->dfops->dop_low && ap->aeof) { if (!ap->offset) { args.alignment = stripe_align; atype = args.type; @@ -3793,7 +3793,7 @@ xfs_bmap_btalloc( args.minleft = 0; if ((error = xfs_alloc_vextent(&args))) return error; - ap->flist->dop_low = true; + ap->dfops->dop_low = true; } if (args.fsbno != NULLFSBLOCK) { /* @@ -3803,7 +3803,7 @@ xfs_bmap_btalloc( ASSERT(*ap->firstblock == NULLFSBLOCK || XFS_FSB_TO_AGNO(mp, *ap->firstblock) == XFS_FSB_TO_AGNO(mp, args.fsbno) || - (ap->flist->dop_low && + (ap->dfops->dop_low && XFS_FSB_TO_AGNO(mp, *ap->firstblock) < XFS_FSB_TO_AGNO(mp, args.fsbno))); @@ -3811,7 +3811,7 @@ xfs_bmap_btalloc( if (*ap->firstblock == NULLFSBLOCK) *ap->firstblock = args.fsbno; ASSERT(nullfb || fb_agno == args.agno || - (ap->flist->dop_low && fb_agno < args.agno)); + (ap->dfops->dop_low && fb_agno < args.agno)); ap->length = args.len; ap->ip->i_d.di_nblocks += args.len; xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); @@ -4278,7 +4278,7 @@ xfs_bmapi_allocate( if (error) return error; - if (bma->flist->dop_low) + if (bma->dfops->dop_low) bma->minleft = 0; if (bma->cur) bma->cur->bc_private.b.firstblock = *bma->firstblock; @@ -4287,7 +4287,7 @@ xfs_bmapi_allocate( if ((ifp->if_flags & XFS_IFBROOT) && !bma->cur) { bma->cur = xfs_bmbt_init_cursor(mp, bma->tp, bma->ip, whichfork); bma->cur->bc_private.b.firstblock = *bma->firstblock; - bma->cur->bc_private.b.flist = bma->flist; + bma->cur->bc_private.b.dfops = bma->dfops; } /* * Bump the number of extents we've allocated @@ -4368,7 +4368,7 @@ xfs_bmapi_convert_unwritten( bma->cur = xfs_bmbt_init_cursor(bma->ip->i_mount, bma->tp, bma->ip, whichfork); bma->cur->bc_private.b.firstblock = *bma->firstblock; - bma->cur->bc_private.b.flist = bma->flist; + bma->cur->bc_private.b.dfops = bma->dfops; } mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN) ? XFS_EXT_NORM : XFS_EXT_UNWRITTEN; @@ -4385,7 +4385,7 @@ xfs_bmapi_convert_unwritten( } error = xfs_bmap_add_extent_unwritten_real(bma->tp, bma->ip, &bma->idx, - &bma->cur, mval, bma->firstblock, bma->flist, + &bma->cur, mval, bma->firstblock, bma->dfops, &tmp_logflags); /* * Log the inode core unconditionally in the unwritten extent conversion @@ -4439,7 +4439,7 @@ xfs_bmapi_write( xfs_extlen_t total, /* total blocks needed */ struct xfs_bmbt_irec *mval, /* output: map values */ int *nmap, /* i/o: mval size/count */ - struct xfs_defer_ops *flist) /* i/o: list extents to free */ + struct xfs_defer_ops *dfops) /* i/o: list extents to free */ { struct xfs_mount *mp = ip->i_mount; struct xfs_ifork *ifp; @@ -4529,7 +4529,7 @@ xfs_bmapi_write( bma.ip = ip; bma.total = total; bma.userdata = 0; - bma.flist = flist; + bma.dfops = dfops; bma.firstblock = firstblock; while (bno < end && n < *nmap) { @@ -4643,7 +4643,7 @@ error0: XFS_FSB_TO_AGNO(mp, *firstblock) == XFS_FSB_TO_AGNO(mp, bma.cur->bc_private.b.firstblock) || - (flist->dop_low && + (dfops->dop_low && XFS_FSB_TO_AGNO(mp, *firstblock) < XFS_FSB_TO_AGNO(mp, bma.cur->bc_private.b.firstblock))); @@ -4727,7 +4727,7 @@ xfs_bmap_del_extent( xfs_inode_t *ip, /* incore inode pointer */ xfs_trans_t *tp, /* current transaction pointer */ xfs_extnum_t *idx, /* extent number to update/delete */ - struct xfs_defer_ops *flist, /* list of extents to be freed */ + struct xfs_defer_ops *dfops, /* list of extents to be freed */ xfs_btree_cur_t *cur, /* if null, not a btree */ xfs_bmbt_irec_t *del, /* data to remove from extents */ int *logflagsp, /* inode logging flags */ @@ -5015,7 +5015,7 @@ xfs_bmap_del_extent( * If we need to, add to list of extents to delete. */ if (do_fx) - xfs_bmap_add_free(mp, flist, del->br_startblock, + xfs_bmap_add_free(mp, dfops, del->br_startblock, del->br_blockcount); /* * Adjust inode # blocks in the file. @@ -5056,7 +5056,7 @@ xfs_bunmapi( xfs_extnum_t nexts, /* number of extents max */ xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ - struct xfs_defer_ops *flist, /* i/o: list extents to free */ + struct xfs_defer_ops *dfops, /* i/o: list extents to free */ int *done) /* set if not done yet */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ @@ -5129,7 +5129,7 @@ xfs_bunmapi( ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE); cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; - cur->bc_private.b.flist = flist; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.flags = 0; } else cur = NULL; @@ -5221,7 +5221,7 @@ xfs_bunmapi( } del.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent_unwritten_real(tp, ip, - &lastx, &cur, &del, firstblock, flist, + &lastx, &cur, &del, firstblock, dfops, &logflags); if (error) goto error0; @@ -5280,7 +5280,7 @@ xfs_bunmapi( lastx--; error = xfs_bmap_add_extent_unwritten_real(tp, ip, &lastx, &cur, &prev, - firstblock, flist, &logflags); + firstblock, dfops, &logflags); if (error) goto error0; goto nodelete; @@ -5289,7 +5289,7 @@ xfs_bunmapi( del.br_state = XFS_EXT_UNWRITTEN; error = xfs_bmap_add_extent_unwritten_real(tp, ip, &lastx, &cur, &del, - firstblock, flist, &logflags); + firstblock, dfops, &logflags); if (error) goto error0; goto nodelete; @@ -5347,7 +5347,7 @@ xfs_bunmapi( } else if (cur) cur->bc_private.b.flags &= ~XFS_BTCUR_BPRV_WASDEL; - error = xfs_bmap_del_extent(ip, tp, &lastx, flist, cur, &del, + error = xfs_bmap_del_extent(ip, tp, &lastx, dfops, cur, &del, &tmp_logflags, whichfork); logflags |= tmp_logflags; if (error) @@ -5381,7 +5381,7 @@ nodelete: */ if (xfs_bmap_needs_btree(ip, whichfork)) { ASSERT(cur == NULL); - error = xfs_bmap_extents_to_btree(tp, ip, firstblock, flist, + error = xfs_bmap_extents_to_btree(tp, ip, firstblock, dfops, &cur, 0, &tmp_logflags, whichfork); logflags |= tmp_logflags; if (error) @@ -5670,7 +5670,7 @@ xfs_bmap_shift_extents( int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, - struct xfs_defer_ops *flist, + struct xfs_defer_ops *dfops, enum shift_direction direction, int num_exts) { @@ -5715,7 +5715,7 @@ xfs_bmap_shift_extents( if (ifp->if_flags & XFS_IFBROOT) { cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; - cur->bc_private.b.flist = flist; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.flags = 0; } @@ -5824,7 +5824,7 @@ xfs_bmap_split_extent_at( struct xfs_inode *ip, xfs_fileoff_t split_fsb, xfs_fsblock_t *firstfsb, - struct xfs_defer_ops *free_list) + struct xfs_defer_ops *dfops) { int whichfork = XFS_DATA_FORK; struct xfs_btree_cur *cur = NULL; @@ -5886,7 +5886,7 @@ xfs_bmap_split_extent_at( if (ifp->if_flags & XFS_IFBROOT) { cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstfsb; - cur->bc_private.b.flist = free_list; + cur->bc_private.b.dfops = dfops; cur->bc_private.b.flags = 0; error = xfs_bmbt_lookup_eq(cur, got.br_startoff, got.br_startblock, @@ -5939,7 +5939,7 @@ xfs_bmap_split_extent_at( int tmp_logflags; /* partial log flag return val */ ASSERT(cur == NULL); - error = xfs_bmap_extents_to_btree(tp, ip, firstfsb, free_list, + error = xfs_bmap_extents_to_btree(tp, ip, firstfsb, dfops, &cur, 0, &tmp_logflags, whichfork); logflags |= tmp_logflags; } @@ -5963,7 +5963,7 @@ xfs_bmap_split_extent( { struct xfs_mount *mp = ip->i_mount; struct xfs_trans *tp; - struct xfs_defer_ops free_list; + struct xfs_defer_ops dfops; xfs_fsblock_t firstfsb; int error; @@ -5975,21 +5975,21 @@ xfs_bmap_split_extent( xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); - xfs_defer_init(&free_list, &firstfsb); + xfs_defer_init(&dfops, &firstfsb); error = xfs_bmap_split_extent_at(tp, ip, split_fsb, - &firstfsb, &free_list); + &firstfsb, &dfops); if (error) goto out; - error = xfs_defer_finish(&tp, &free_list, NULL); + error = xfs_defer_finish(&tp, &dfops, NULL); if (error) goto out; return xfs_trans_commit(tp); out: - xfs_defer_cancel(&free_list); + xfs_defer_cancel(&dfops); xfs_trans_cancel(tp); return error; } diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index a779cc5..6854e61 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -32,7 +32,7 @@ extern kmem_zone_t *xfs_bmap_free_item_zone; */ struct xfs_bmalloca { xfs_fsblock_t *firstblock; /* i/o first block allocated */ - struct xfs_defer_ops *flist; /* bmap freelist */ + struct xfs_defer_ops *dfops; /* bmap freelist */ struct xfs_trans *tp; /* transaction pointer */ struct xfs_inode *ip; /* incore inode pointer */ struct xfs_bmbt_irec prev; /* extent before the new one */ @@ -164,7 +164,7 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt, int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); -void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *flist, +void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *dfops, xfs_fsblock_t bno, xfs_filblks_t len); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, @@ -186,18 +186,18 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_fsblock_t *firstblock, xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap, - struct xfs_defer_ops *flist); + struct xfs_defer_ops *dfops); int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, - struct xfs_defer_ops *flist, int *done); + struct xfs_defer_ops *dfops, int *done); int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, xfs_extnum_t num); uint xfs_default_attroffset(struct xfs_inode *ip); int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t *next_fsb, xfs_fileoff_t offset_shift_fsb, int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, - struct xfs_defer_ops *flist, enum shift_direction direction, + struct xfs_defer_ops *dfops, enum shift_direction direction, int num_exts); int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset); diff --git a/libxfs/xfs_bmap_btree.c b/libxfs/xfs_bmap_btree.c index 8d4d4b0..d290769 100644 --- a/libxfs/xfs_bmap_btree.c +++ b/libxfs/xfs_bmap_btree.c @@ -404,11 +404,11 @@ xfs_bmbt_dup_cursor( cur->bc_private.b.ip, cur->bc_private.b.whichfork); /* - * Copy the firstblock, flist, and flags values, + * Copy the firstblock, dfops, and flags values, * since init cursor doesn't get them. */ new->bc_private.b.firstblock = cur->bc_private.b.firstblock; - new->bc_private.b.flist = cur->bc_private.b.flist; + new->bc_private.b.dfops = cur->bc_private.b.dfops; new->bc_private.b.flags = cur->bc_private.b.flags; return new; @@ -421,7 +421,7 @@ xfs_bmbt_update_cursor( { ASSERT((dst->bc_private.b.firstblock != NULLFSBLOCK) || (dst->bc_private.b.ip->i_d.di_flags & XFS_DIFLAG_REALTIME)); - ASSERT(dst->bc_private.b.flist == src->bc_private.b.flist); + ASSERT(dst->bc_private.b.dfops == src->bc_private.b.dfops); dst->bc_private.b.allocated += src->bc_private.b.allocated; dst->bc_private.b.firstblock = src->bc_private.b.firstblock; @@ -460,7 +460,7 @@ xfs_bmbt_alloc_block( * block allocation here and corrupt the filesystem. */ args.minleft = args.tp->t_blk_res; - } else if (cur->bc_private.b.flist->dop_low) { + } else if (cur->bc_private.b.dfops->dop_low) { args.type = XFS_ALLOCTYPE_START_BNO; } else { args.type = XFS_ALLOCTYPE_NEAR_BNO; @@ -488,7 +488,7 @@ xfs_bmbt_alloc_block( error = xfs_alloc_vextent(&args); if (error) goto error0; - cur->bc_private.b.flist->dop_low = true; + cur->bc_private.b.dfops->dop_low = true; } if (args.fsbno == NULLFSBLOCK) { XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); @@ -524,7 +524,7 @@ xfs_bmbt_free_block( struct xfs_trans *tp = cur->bc_tp; xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); - xfs_bmap_add_free(mp, cur->bc_private.b.flist, fsbno, 1); + xfs_bmap_add_free(mp, cur->bc_private.b.dfops, fsbno, 1); ip->i_d.di_nblocks--; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); @@ -786,7 +786,7 @@ xfs_bmbt_init_cursor( cur->bc_private.b.forksize = XFS_IFORK_SIZE(ip, whichfork); cur->bc_private.b.ip = ip; cur->bc_private.b.firstblock = NULLFSBLOCK; - cur->bc_private.b.flist = NULL; + cur->bc_private.b.dfops = NULL; cur->bc_private.b.allocated = 0; cur->bc_private.b.flags = 0; cur->bc_private.b.whichfork = whichfork; diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index ae714a8..7483cac 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -234,12 +234,12 @@ typedef struct xfs_btree_cur union { struct { /* needed for BNO, CNT, INO */ struct xfs_buf *agbp; /* agf/agi buffer pointer */ - struct xfs_defer_ops *flist; /* deferred updates */ + struct xfs_defer_ops *dfops; /* deferred updates */ xfs_agnumber_t agno; /* ag number */ } a; struct { /* needed for BMAP */ struct xfs_inode *ip; /* pointer to our inode */ - struct xfs_defer_ops *flist; /* deferred updates */ + struct xfs_defer_ops *dfops; /* deferred updates */ xfs_fsblock_t firstblock; /* 1st blk allocated */ int allocated; /* count of alloced */ short forksize; /* fork's inode space */ diff --git a/libxfs/xfs_da_btree.c b/libxfs/xfs_da_btree.c index 298252e..bf24ade 100644 --- a/libxfs/xfs_da_btree.c +++ b/libxfs/xfs_da_btree.c @@ -2025,7 +2025,7 @@ xfs_da_grow_inode_int( error = xfs_bmapi_write(tp, dp, *bno, count, xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA|XFS_BMAPI_CONTIG, args->firstblock, args->total, &map, &nmap, - args->flist); + args->dfops); if (error) return error; @@ -2048,7 +2048,7 @@ xfs_da_grow_inode_int( error = xfs_bmapi_write(tp, dp, b, c, xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA, args->firstblock, args->total, - &mapp[mapi], &nmap, args->flist); + &mapp[mapi], &nmap, args->dfops); if (error) goto out_free_map; if (nmap < 1) @@ -2358,7 +2358,7 @@ xfs_da_shrink_inode( */ error = xfs_bunmapi(tp, dp, dead_blkno, count, xfs_bmapi_aflag(w), 0, args->firstblock, - args->flist, &done); + args->dfops, &done); if (error == -ENOSPC) { if (w != XFS_DATA_FORK) break; diff --git a/libxfs/xfs_da_btree.h b/libxfs/xfs_da_btree.h index 249813a..98c75cb 100644 --- a/libxfs/xfs_da_btree.h +++ b/libxfs/xfs_da_btree.h @@ -70,7 +70,7 @@ typedef struct xfs_da_args { xfs_ino_t inumber; /* input/output inode number */ struct xfs_inode *dp; /* directory inode to manipulate */ xfs_fsblock_t *firstblock; /* ptr to firstblock for bmap calls */ - struct xfs_defer_ops *flist; /* ptr to freelist for bmap_finish */ + struct xfs_defer_ops *dfops; /* ptr to freelist for bmap_finish */ struct xfs_trans *trans; /* current trans (changes over time) */ xfs_extlen_t total; /* total blocks needed, for 1st bmap */ int whichfork; /* data or attribute fork */ diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c index 6edaa8e..4180a93 100644 --- a/libxfs/xfs_dir2.c +++ b/libxfs/xfs_dir2.c @@ -258,7 +258,7 @@ xfs_dir_createname( struct xfs_name *name, xfs_ino_t inum, /* new entry inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ - struct xfs_defer_ops *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *dfops, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -285,7 +285,7 @@ xfs_dir_createname( args->inumber = inum; args->dp = dp; args->firstblock = first; - args->flist = flist; + args->dfops = dfops; args->total = total; args->whichfork = XFS_DATA_FORK; args->trans = tp; @@ -435,7 +435,7 @@ xfs_dir_removename( struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, /* bmap's firstblock */ - struct xfs_defer_ops *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *dfops, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -457,7 +457,7 @@ xfs_dir_removename( args->inumber = ino; args->dp = dp; args->firstblock = first; - args->flist = flist; + args->dfops = dfops; args->total = total; args->whichfork = XFS_DATA_FORK; args->trans = tp; @@ -497,7 +497,7 @@ xfs_dir_replace( struct xfs_name *name, /* name of entry to replace */ xfs_ino_t inum, /* new inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ - struct xfs_defer_ops *flist, /* bmap's freeblock list */ + struct xfs_defer_ops *dfops, /* bmap's freeblock list */ xfs_extlen_t total) /* bmap's total block count */ { struct xfs_da_args *args; @@ -522,7 +522,7 @@ xfs_dir_replace( args->inumber = inum; args->dp = dp; args->firstblock = first; - args->flist = flist; + args->dfops = dfops; args->total = total; args->whichfork = XFS_DATA_FORK; args->trans = tp; @@ -679,7 +679,7 @@ xfs_dir2_shrink_inode( /* Unmap the fsblock(s). */ error = xfs_bunmapi(tp, dp, da, args->geo->fsbcount, 0, 0, - args->firstblock, args->flist, &done); + args->firstblock, args->dfops, &done); if (error) { /* * ENOSPC actually can happen if we're in a removename with no diff --git a/libxfs/xfs_dir2.h b/libxfs/xfs_dir2.h index 5737d85..a9bab0e 100644 --- a/libxfs/xfs_dir2.h +++ b/libxfs/xfs_dir2.h @@ -129,18 +129,18 @@ extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_defer_ops *flist, xfs_extlen_t tot); + struct xfs_defer_ops *dfops, xfs_extlen_t tot); extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t *inum, struct xfs_name *ci_name); extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, - struct xfs_defer_ops *flist, xfs_extlen_t tot); + struct xfs_defer_ops *dfops, xfs_extlen_t tot); extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_defer_ops *flist, xfs_extlen_t tot); + struct xfs_defer_ops *dfops, xfs_extlen_t tot); extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_name *name); diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index d03570c..1545338 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -1812,7 +1812,7 @@ xfs_difree_inode_chunk( struct xfs_mount *mp, xfs_agnumber_t agno, struct xfs_inobt_rec_incore *rec, - struct xfs_defer_ops *flist) + struct xfs_defer_ops *dfops) { xfs_agblock_t sagbno = XFS_AGINO_TO_AGBNO(mp, rec->ir_startino); int startidx, endidx; @@ -1823,7 +1823,7 @@ xfs_difree_inode_chunk( if (!xfs_inobt_issparse(rec->ir_holemask)) { /* not sparse, calculate extent info directly */ - xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, sagbno), + xfs_bmap_add_free(mp, dfops, XFS_AGB_TO_FSB(mp, agno, sagbno), mp->m_ialloc_blks); return; } @@ -1867,7 +1867,7 @@ xfs_difree_inode_chunk( ASSERT(agbno % mp->m_sb.sb_spino_align == 0); ASSERT(contigblk % mp->m_sb.sb_spino_align == 0); - xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, agbno), + xfs_bmap_add_free(mp, dfops, XFS_AGB_TO_FSB(mp, agno, agbno), contigblk); /* reset range to current bit and carry on... */ @@ -1884,7 +1884,7 @@ xfs_difree_inobt( struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agino_t agino, - struct xfs_defer_ops *flist, + struct xfs_defer_ops *dfops, struct xfs_icluster *xic, struct xfs_inobt_rec_incore *orec) { @@ -1971,7 +1971,7 @@ xfs_difree_inobt( goto error0; } - xfs_difree_inode_chunk(mp, agno, &rec, flist); + xfs_difree_inode_chunk(mp, agno, &rec, dfops); } else { xic->deleted = 0; @@ -2116,7 +2116,7 @@ int xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ - struct xfs_defer_ops *flist, /* extents to free */ + struct xfs_defer_ops *dfops, /* extents to free */ struct xfs_icluster *xic) /* cluster info if deleted */ { /* REFERENCED */ @@ -2168,7 +2168,7 @@ xfs_difree( /* * Fix up the inode allocation btree. */ - error = xfs_difree_inobt(mp, tp, agbp, agino, flist, xic, &rec); + error = xfs_difree_inobt(mp, tp, agbp, agino, dfops, xic, &rec); if (error) goto error0; diff --git a/libxfs/xfs_ialloc.h b/libxfs/xfs_ialloc.h index 2e06b67..0bb8966 100644 --- a/libxfs/xfs_ialloc.h +++ b/libxfs/xfs_ialloc.h @@ -95,7 +95,7 @@ int /* error */ xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ - struct xfs_defer_ops *flist, /* extents to free */ + struct xfs_defer_ops *dfops, /* extents to free */ struct xfs_icluster *ifree); /* cluster info if deleted */ /* diff --git a/mkfs/proto.c b/mkfs/proto.c index f0c33e4..cf9ed77 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -27,7 +27,7 @@ static char *getstr(char **pp); static void fail(char *msg, int i); static void getres(struct xfs_mount *mp, uint blocks, struct xfs_trans **tpp); static void rsvfile(xfs_mount_t *mp, xfs_inode_t *ip, long long len); -static int newfile(xfs_trans_t *tp, xfs_inode_t *ip, struct xfs_defer_ops *flist, +static int newfile(xfs_trans_t *tp, xfs_inode_t *ip, struct xfs_defer_ops *dfops, xfs_fsblock_t *first, int dolocal, int logit, char *buf, int len); static char *newregfile(char **pp, int *len); static void rtinit(xfs_mount_t *mp); @@ -236,7 +236,7 @@ static int newfile( xfs_trans_t *tp, xfs_inode_t *ip, - struct xfs_defer_ops *flist, + struct xfs_defer_ops *dfops, xfs_fsblock_t *first, int dolocal, int logit, @@ -267,7 +267,7 @@ newfile( nb = XFS_B_TO_FSB(mp, len); nmap = 1; error = -libxfs_bmapi_write(tp, ip, 0, nb, 0, first, nb, - &map, &nmap, flist); + &map, &nmap, dfops); if (error) { fail(_("error allocating space for a file"), error); } @@ -329,14 +329,14 @@ newdirent( struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, - struct xfs_defer_ops *flist) + struct xfs_defer_ops *dfops) { int error; int rsv; rsv = XFS_DIRENTER_SPACE_RES(mp, name->len); - error = -libxfs_dir_createname(tp, pip, name, inum, first, flist, rsv); + error = -libxfs_dir_createname(tp, pip, name, inum, first, dfops, rsv); if (error) fail(_("directory createname error"), error); } @@ -375,7 +375,7 @@ parseproto( int error; xfs_fsblock_t first; int flags; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; int fmt; int i; xfs_inode_t *ip; @@ -460,7 +460,7 @@ parseproto( xname.len = name ? strlen(name) : 0; xname.type = 0; flags = XFS_ILOG_CORE; - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); switch (fmt) { case IF_REGULAR: buf = newregfile(pp, &len); @@ -469,12 +469,12 @@ parseproto( &creds, fsxp, &ip); if (error) fail(_("Inode allocation failed"), error); - flags |= newfile(tp, ip, &flist, &first, 0, 0, buf, len); + flags |= newfile(tp, ip, &dfops, &first, 0, 0, buf, len); if (buf) free(buf); libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_REG_FILE; - newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); + newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &dfops); break; case IF_RESERVED: /* pre-allocated space only */ @@ -497,10 +497,10 @@ parseproto( libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_REG_FILE; - newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); + newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &dfops); libxfs_trans_log_inode(tp, ip, flags); - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); if (error) fail(_("Pre-allocated file creation failed"), error); libxfs_trans_commit(tp); @@ -519,7 +519,7 @@ parseproto( } libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_BLKDEV; - newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); + newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &dfops); flags |= XFS_ILOG_DEV; break; @@ -533,7 +533,7 @@ parseproto( fail(_("Inode allocation failed"), error); libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_CHRDEV; - newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); + newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &dfops); flags |= XFS_ILOG_DEV; break; @@ -545,7 +545,7 @@ parseproto( fail(_("Inode allocation failed"), error); libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_FIFO; - newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); + newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &dfops); break; case IF_SYMLINK: buf = getstr(pp); @@ -555,10 +555,10 @@ parseproto( &creds, fsxp, &ip); if (error) fail(_("Inode allocation failed"), error); - flags |= newfile(tp, ip, &flist, &first, 1, 1, buf, len); + flags |= newfile(tp, ip, &dfops, &first, 1, 1, buf, len); libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_SYMLINK; - newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &flist); + newdirent(mp, tp, pip, &xname, ip->i_ino, &first, &dfops); break; case IF_DIRECTORY: getres(mp, 0, &tp); @@ -576,13 +576,13 @@ parseproto( libxfs_trans_ijoin(tp, pip, 0); xname.type = XFS_DIR3_FT_DIR; newdirent(mp, tp, pip, &xname, ip->i_ino, - &first, &flist); + &first, &dfops); inc_nlink(VFS_I(pip)); libxfs_trans_log_inode(tp, pip, XFS_ILOG_CORE); } newdirectory(mp, tp, ip, pip); libxfs_trans_log_inode(tp, ip, flags); - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); if (error) fail(_("Directory creation failed"), error); libxfs_trans_commit(tp); @@ -608,7 +608,7 @@ parseproto( fail(_("Unknown format"), EINVAL); } libxfs_trans_log_inode(tp, ip, flags); - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); if (error) { fail(_("Error encountered creating file from prototype file"), error); @@ -638,7 +638,7 @@ rtinit( xfs_bmbt_irec_t *ep; int error; xfs_fsblock_t first; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; int i; xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; xfs_extlen_t nsumblocks; @@ -697,13 +697,13 @@ rtinit( libxfs_trans_ijoin(tp, rbmip, 0); bno = 0; - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); while (bno < mp->m_sb.sb_rbmblocks) { nmap = XFS_BMAP_MAX_NMAP; error = -libxfs_bmapi_write(tp, rbmip, bno, (xfs_extlen_t)(mp->m_sb.sb_rbmblocks - bno), 0, &first, mp->m_sb.sb_rbmblocks, - map, &nmap, &flist); + map, &nmap, &dfops); if (error) { fail(_("Allocation of the realtime bitmap failed"), error); @@ -716,7 +716,7 @@ rtinit( } } - error = -xfs_defer_finish(&tp, &flist, rbmip); + error = -xfs_defer_finish(&tp, &dfops, rbmip); if (error) { fail(_("Completion of the realtime bitmap failed"), error); } @@ -732,13 +732,13 @@ rtinit( res_failed(i); libxfs_trans_ijoin(tp, rsumip, 0); bno = 0; - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); while (bno < nsumblocks) { nmap = XFS_BMAP_MAX_NMAP; error = -libxfs_bmapi_write(tp, rsumip, bno, (xfs_extlen_t)(nsumblocks - bno), 0, &first, nsumblocks, - map, &nmap, &flist); + map, &nmap, &dfops); if (error) { fail(_("Allocation of the realtime summary failed"), error); @@ -750,7 +750,7 @@ rtinit( bno += ep->br_blockcount; } } - error = -xfs_defer_finish(&tp, &flist, rsumip); + error = -xfs_defer_finish(&tp, &dfops, rsumip); if (error) { fail(_("Completion of the realtime summary failed"), error); } @@ -765,7 +765,7 @@ rtinit( if (i) res_failed(i); libxfs_trans_ijoin(tp, rbmip, 0); - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); ebno = XFS_RTMIN(mp->m_sb.sb_rextents, bno + NBBY * mp->m_sb.sb_blocksize); error = -libxfs_rtfree_extent(tp, bno, (xfs_extlen_t)(ebno-bno)); @@ -773,7 +773,7 @@ rtinit( fail(_("Error initializing the realtime space"), error); } - error = -xfs_defer_finish(&tp, &flist, rbmip); + error = -xfs_defer_finish(&tp, &dfops, rbmip); if (error) { fail(_("Error completing the realtime space"), error); } diff --git a/repair/phase6.c b/repair/phase6.c index 961f7bc..0194580 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -484,7 +484,7 @@ mk_rbmino(xfs_mount_t *mp) int i; int nmap; int error; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; xfs_fileoff_t bno; xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; int vers; @@ -550,13 +550,13 @@ mk_rbmino(xfs_mount_t *mp) libxfs_trans_ijoin(tp, ip, 0); bno = 0; - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); while (bno < mp->m_sb.sb_rbmblocks) { nmap = XFS_BMAP_MAX_NMAP; error = -libxfs_bmapi_write(tp, ip, bno, (xfs_extlen_t)(mp->m_sb.sb_rbmblocks - bno), 0, &first, mp->m_sb.sb_rbmblocks, - map, &nmap, &flist); + map, &nmap, &dfops); if (error) { do_error( _("couldn't allocate realtime bitmap, error = %d\n"), @@ -569,7 +569,7 @@ mk_rbmino(xfs_mount_t *mp) bno += ep->br_blockcount; } } - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); if (error) { do_error( _("allocation of the realtime bitmap failed, error = %d\n"), @@ -731,7 +731,7 @@ mk_rsumino(xfs_mount_t *mp) int nmap; int error; int nsumblocks; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; xfs_fileoff_t bno; xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP]; int vers; @@ -789,7 +789,7 @@ mk_rsumino(xfs_mount_t *mp) * then allocate blocks for file and fill with zeroes (stolen * from mkfs) */ - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); nsumblocks = mp->m_rsumsize >> mp->m_sb.sb_blocklog; tres.tr_logres = BBTOB(128); @@ -803,12 +803,12 @@ mk_rsumino(xfs_mount_t *mp) libxfs_trans_ijoin(tp, ip, 0); bno = 0; - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); while (bno < nsumblocks) { nmap = XFS_BMAP_MAX_NMAP; error = -libxfs_bmapi_write(tp, ip, bno, (xfs_extlen_t)(nsumblocks - bno), - 0, &first, nsumblocks, map, &nmap, &flist); + 0, &first, nsumblocks, map, &nmap, &dfops); if (error) { do_error( _("couldn't allocate realtime summary inode, error = %d\n"), @@ -821,7 +821,7 @@ mk_rsumino(xfs_mount_t *mp) bno += ep->br_blockcount; } } - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); if (error) { do_error( _("allocation of the realtime summary ino failed, error = %d\n"), @@ -919,7 +919,7 @@ mk_orphanage(xfs_mount_t *mp) int ino_offset = 0; int i; int error; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; const int mode = 0755; int nres; struct xfs_name xname; @@ -945,7 +945,7 @@ mk_orphanage(xfs_mount_t *mp) * could not be found, create it */ - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); nres = XFS_MKDIR_SPACE_RES(mp, xname.len); i = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_mkdir, nres, 0, 0, &tp); @@ -1007,7 +1007,7 @@ mk_orphanage(xfs_mount_t *mp) * create the actual entry */ error = -libxfs_dir_createname(tp, pip, &xname, ip->i_ino, &first, - &flist, nres); + &dfops, nres); if (error) do_error( _("can't make %s, createname error %d\n"), @@ -1028,7 +1028,7 @@ mk_orphanage(xfs_mount_t *mp) libxfs_dir_init(tp, ip, pip); libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); if (error) { do_error(_("%s directory creation failed -- bmapf error %d\n"), ORPHANAGE, error); @@ -1057,7 +1057,7 @@ mv_orphanage( xfs_inode_t *ino_p; xfs_trans_t *tp; xfs_fsblock_t first; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; int err; unsigned char fname[MAXPATHLEN + 1]; int nres; @@ -1110,9 +1110,9 @@ mv_orphanage( libxfs_trans_ijoin(tp, orphanage_ip, 0); libxfs_trans_ijoin(tp, ino_p, 0); - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); err = -libxfs_dir_createname(tp, orphanage_ip, &xname, - ino, &first, &flist, nres); + ino, &first, &dfops, nres); if (err) do_error( _("name create failed in %s (%d), filesystem may be out of space\n"), @@ -1125,7 +1125,7 @@ mv_orphanage( libxfs_trans_log_inode(tp, orphanage_ip, XFS_ILOG_CORE); err = -libxfs_dir_createname(tp, ino_p, &xfs_name_dotdot, - orphanage_ino, &first, &flist, nres); + orphanage_ino, &first, &dfops, nres); if (err) do_error( _("creation of .. entry failed (%d), filesystem may be out of space\n"), @@ -1134,7 +1134,7 @@ mv_orphanage( inc_nlink(VFS_I(ino_p)); libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); - err = -xfs_defer_finish(&tp, &flist, ino_p); + err = -xfs_defer_finish(&tp, &dfops, ino_p); if (err) do_error( _("bmap finish failed (err - %d), filesystem may be out of space\n"), @@ -1152,10 +1152,10 @@ mv_orphanage( libxfs_trans_ijoin(tp, orphanage_ip, 0); libxfs_trans_ijoin(tp, ino_p, 0); - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); err = -libxfs_dir_createname(tp, orphanage_ip, &xname, - ino, &first, &flist, nres); + ino, &first, &dfops, nres); if (err) do_error( _("name create failed in %s (%d), filesystem may be out of space\n"), @@ -1174,14 +1174,14 @@ mv_orphanage( if (entry_ino_num != orphanage_ino) { err = -libxfs_dir_replace(tp, ino_p, &xfs_name_dotdot, orphanage_ino, - &first, &flist, nres); + &first, &dfops, nres); if (err) do_error( _("name replace op failed (%d), filesystem may be out of space\n"), err); } - err = -xfs_defer_finish(&tp, &flist, ino_p); + err = -xfs_defer_finish(&tp, &dfops, ino_p); if (err) do_error( _("bmap finish failed (%d), filesystem may be out of space\n"), @@ -1208,9 +1208,9 @@ mv_orphanage( libxfs_trans_ijoin(tp, orphanage_ip, 0); libxfs_trans_ijoin(tp, ino_p, 0); - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); err = -libxfs_dir_createname(tp, orphanage_ip, &xname, ino, - &first, &flist, nres); + &first, &dfops, nres); if (err) do_error( _("name create failed in %s (%d), filesystem may be out of space\n"), @@ -1220,7 +1220,7 @@ mv_orphanage( set_nlink(VFS_I(ino_p), 1); libxfs_trans_log_inode(tp, ino_p, XFS_ILOG_CORE); - err = -xfs_defer_finish(&tp, &flist, ino_p); + err = -xfs_defer_finish(&tp, &dfops, ino_p); if (err) do_error( _("bmap finish failed (%d), filesystem may be out of space\n"), @@ -1269,7 +1269,7 @@ longform_dir2_rebuild( xfs_trans_t *tp; xfs_fileoff_t lastblock; xfs_fsblock_t firstblock; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; xfs_inode_t pip; dir_hash_ent_t *p; int done; @@ -1292,7 +1292,7 @@ longform_dir2_rebuild( xfs_dir_ino_validate(mp, pip.i_ino)) pip.i_ino = mp->m_sb.sb_rootino; - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); nres = XFS_REMOVE_SPACE_RES(mp); error = -libxfs_trans_alloc(mp, &M_RES(mp)->tr_remove, nres, 0, 0, &tp); @@ -1306,7 +1306,7 @@ longform_dir2_rebuild( /* free all data, leaf, node and freespace blocks */ error = -libxfs_bunmapi(tp, ip, 0, lastblock, XFS_BMAPI_METADATA, 0, - &firstblock, &flist, &done); + &firstblock, &dfops, &done); if (error) { do_warn(_("xfs_bunmapi failed -- error - %d\n"), error); goto out_bmap_cancel; @@ -1320,7 +1320,7 @@ longform_dir2_rebuild( goto out_bmap_cancel; } - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); libxfs_trans_commit(tp); @@ -1344,9 +1344,9 @@ longform_dir2_rebuild( libxfs_trans_ijoin(tp, ip, 0); - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); error = -libxfs_dir_createname(tp, ip, &p->name, p->inum, - &firstblock, &flist, nres); + &firstblock, &dfops, nres); if (error) { do_warn( _("name create failed in ino %" PRIu64 " (%d), filesystem may be out of space\n"), @@ -1354,7 +1354,7 @@ _("name create failed in ino %" PRIu64 " (%d), filesystem may be out of space\n" goto out_bmap_cancel; } - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); if (error) { do_warn( _("bmap finish failed (%d), filesystem may be out of space\n"), @@ -1368,7 +1368,7 @@ _("name create failed in ino %" PRIu64 " (%d), filesystem may be out of space\n" return; out_bmap_cancel: - xfs_defer_cancel(&flist); + xfs_defer_cancel(&dfops); libxfs_trans_cancel(tp); return; } @@ -1388,7 +1388,7 @@ dir2_kill_block( xfs_da_args_t args; int error; xfs_fsblock_t firstblock; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; int nres; xfs_trans_t *tp; @@ -1399,11 +1399,11 @@ dir2_kill_block( libxfs_trans_ijoin(tp, ip, 0); libxfs_trans_bjoin(tp, bp); memset(&args, 0, sizeof(args)); - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); args.dp = ip; args.trans = tp; args.firstblock = &firstblock; - args.flist = &flist; + args.dfops = &dfops; args.whichfork = XFS_DATA_FORK; args.geo = mp->m_dir_geo; if (da_bno >= mp->m_dir_geo->leafblk && da_bno < mp->m_dir_geo->freeblk) @@ -1414,7 +1414,7 @@ dir2_kill_block( if (error) do_error(_("shrink_inode failed inode %" PRIu64 " block %u\n"), ip->i_ino, da_bno); - xfs_defer_finish(&tp, &flist, ip); + xfs_defer_finish(&tp, &dfops, ip); libxfs_trans_commit(tp); } @@ -1448,7 +1448,7 @@ longform_dir2_entry_check_data( char *endptr; int error; xfs_fsblock_t firstblock; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; char fname[MAXNAMELEN + 1]; freetab_t *freetab; int i; @@ -1590,7 +1590,7 @@ longform_dir2_entry_check_data( libxfs_trans_ijoin(tp, ip, 0); libxfs_trans_bjoin(tp, bp); libxfs_trans_bhold(tp, bp); - xfs_defer_init(&flist, &firstblock); + xfs_defer_init(&dfops, &firstblock); if (be32_to_cpu(d->magic) != wantmagic) { do_warn( _("bad directory block magic # %#x for directory inode %" PRIu64 " block %d: "), @@ -1889,7 +1889,7 @@ _("entry \"%s\" in dir inode %" PRIu64 " inconsistent with .. value (%" PRIu64 " repair_dir2_data_freescan(mp, M_DIROPS(mp), d, &i); if (needlog) libxfs_dir2_data_log_header(&da, bp); - xfs_defer_finish(&tp, &flist, ip); + xfs_defer_finish(&tp, &dfops, ip); libxfs_trans_commit(tp); /* record the largest free space in the freetab for later checking */ @@ -2805,7 +2805,7 @@ process_dir_inode( int ino_offset) { xfs_ino_t ino; - struct xfs_defer_ops flist; + struct xfs_defer_ops dfops; xfs_fsblock_t first; xfs_inode_t *ip; xfs_trans_t *tp; @@ -2943,17 +2943,17 @@ process_dir_inode( libxfs_trans_ijoin(tp, ip, 0); - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); error = -libxfs_dir_createname(tp, ip, &xfs_name_dotdot, - ip->i_ino, &first, &flist, nres); + ip->i_ino, &first, &dfops, nres); if (error) do_error( _("can't make \"..\" entry in root inode %" PRIu64 ", createname error %d\n"), ino, error); libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); ASSERT(error == 0); libxfs_trans_commit(tp); @@ -3001,10 +3001,10 @@ process_dir_inode( libxfs_trans_ijoin(tp, ip, 0); - xfs_defer_init(&flist, &first); + xfs_defer_init(&dfops, &first); error = -libxfs_dir_createname(tp, ip, &xfs_name_dot, - ip->i_ino, &first, &flist, nres); + ip->i_ino, &first, &dfops, nres); if (error) do_error( _("can't make \".\" entry in dir ino %" PRIu64 ", createname error %d\n"), @@ -3012,7 +3012,7 @@ process_dir_inode( libxfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = -xfs_defer_finish(&tp, &flist, ip); + error = -xfs_defer_finish(&tp, &dfops, ip); ASSERT(error == 0); libxfs_trans_commit(tp); } diff --git a/repair/sb.c b/repair/sb.c index 4eef14a..803125c 100644 --- a/repair/sb.c +++ b/repair/sb.c @@ -653,7 +653,7 @@ verify_set_primary_sb(xfs_sb_t *rsb, retval = get_sb(sb, off, size, agno); if (retval == XR_EOF) - goto out_free_list; + goto out_dfops; if (retval == XR_OK) { /* @@ -675,7 +675,7 @@ verify_set_primary_sb(xfs_sb_t *rsb, retval = 0; if (num_ok < num_sbs / 2) { retval = XR_INSUFF_SEC_SB; - goto out_free_list; + goto out_dfops; } current = get_best_geo(list); @@ -703,7 +703,7 @@ verify_set_primary_sb(xfs_sb_t *rsb, exit(1); } } - goto out_free_list; + goto out_dfops; case 1: /* * If we only have a single allocation group there is no @@ -718,7 +718,7 @@ verify_set_primary_sb(xfs_sb_t *rsb, "Use the -o force_geometry option to proceed.\n")); exit(1); } - goto out_free_list; + goto out_dfops; default: /* * at least half of the probed superblocks have @@ -758,7 +758,7 @@ verify_set_primary_sb(xfs_sb_t *rsb, sb_width = sb->sb_width; } -out_free_list: +out_dfops: free_geo(list); free(sb); return retval; From darrick.wong@oracle.com Thu Jun 16 20:33:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 032C37DC3 for ; Thu, 16 Jun 2016 20:33:40 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6E985AC002 for ; Thu, 16 Jun 2016 18:33:39 -0700 (PDT) X-ASG-Debug-ID: 1466127217-04cbb01fef69fb0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id UurCHjcsIg5q3lNr (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:37 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1XZfU002888 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:36 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XZ8m001756 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:35 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1XZS1031720; Fri, 17 Jun 2016 01:33:35 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:34 -0700 Subject: [PATCH 027/145] xfs_io: add free-extent error injection type From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 027/145] xfs_io: add free-extent error injection type To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:33:33 -0700 Message-ID: <146612721357.16048.1495184945471967839.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127217 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 776 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.60 X-Barracuda-Spam-Status: No, SCORE=2.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_MV0249, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 2.00 BSF_SC0_MV0249 Custom rule MV0249 Add XFS_ERRTAG_FREE_EXTENT to the types of errors we can inject. Signed-off-by: Darrick J. Wong --- io/inject.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/io/inject.c b/io/inject.c index 90ccda8..12e0fb3 100644 --- a/io/inject.c +++ b/io/inject.c @@ -74,7 +74,9 @@ error_tag(char *name) { XFS_ERRTAG_DIOWRITE_IOERR, "diowrite" }, #define XFS_ERRTAG_BMAPIFORMAT 21 { XFS_ERRTAG_BMAPIFORMAT, "bmapifmt" }, -#define XFS_ERRTAG_MAX 22 +#define XFS_ERRTAG_FREE_EXTENT 22 + { XFS_ERRTAG_FREE_EXTENT, "free_extent" }, +#define XFS_ERRTAG_MAX 23 { XFS_ERRTAG_MAX, NULL } }; int count; From darrick.wong@oracle.com Thu Jun 16 20:33:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id F0CDE8105 for ; Thu, 16 Jun 2016 20:33:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B33678F804C for ; Thu, 16 Jun 2016 18:33:48 -0700 (PDT) X-ASG-Debug-ID: 1466127226-04cbb01fec69fc0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 30dRulnXMKooNPz8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:46 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1XglP015902 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:42 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Xf9d029373 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:42 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Xfu9027440; Fri, 17 Jun 2016 01:33:41 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:41 -0700 Subject: [PATCH 028/145] xfs: introduce rmap btree definitions From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 028/145] xfs: introduce rmap btree definitions To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:33:39 -0700 Message-ID: <146612721967.16048.14762057042303707100.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127226 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6314 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Add new per-ag rmap btree definitions to the per-ag structures. The rmap btree will sit in the empty slots on disk after the free space btrees, and hence form a part of the array of space management btrees. This requires the definition of the btree to be contiguous with the free space btrees. Signed-off-by: Dave Chinner Signed-off-by: Dave Chinner --- libxfs/xfs_alloc.c | 6 ++++++ libxfs/xfs_btree.c | 4 ++-- libxfs/xfs_btree.h | 3 +++ libxfs/xfs_format.h | 22 +++++++++++++++++----- libxfs/xfs_types.h | 4 ++-- 5 files changed, 30 insertions(+), 9 deletions(-) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 06133c0..675151d 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -2268,6 +2268,10 @@ xfs_agf_verify( be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > XFS_BTREE_MAXLEVELS) return false; + if (xfs_sb_version_hasrmapbt(&mp->m_sb) && + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) > XFS_BTREE_MAXLEVELS) + return false; + /* * during growfs operations, the perag is not fully initialised, * so we can't use it for any useful checking. growfs ensures we can't @@ -2399,6 +2403,8 @@ xfs_alloc_read_agf( be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNOi]); pag->pagf_levels[XFS_BTNUM_CNTi] = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]); + pag->pagf_levels[XFS_BTNUM_RMAPi] = + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAPi]); spin_lock_init(&pag->pagb_lock); pag->pagb_count = 0; #ifdef __KERNEL__ diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index c5a475f..8f66e14 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -40,9 +40,9 @@ kmem_zone_t *xfs_btree_cur_zone; * Btree magic numbers. */ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { - { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, + { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, 0, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, XFS_FIBT_MAGIC }, - { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, + { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, XFS_RMAP_CRC_MAGIC, XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC } }; #define xfs_btree_magic(cur) \ diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 7483cac..202fdd3 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -63,6 +63,7 @@ union xfs_btree_rec { #define XFS_BTNUM_BMAP ((xfs_btnum_t)XFS_BTNUM_BMAPi) #define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi) #define XFS_BTNUM_FINO ((xfs_btnum_t)XFS_BTNUM_FINOi) +#define XFS_BTNUM_RMAP ((xfs_btnum_t)XFS_BTNUM_RMAPi) /* * For logging record fields. @@ -95,6 +96,7 @@ do { \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(__mp, bmbt, stat); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ + case XFS_BTNUM_RMAP: break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -115,6 +117,7 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, ibt, stat, val); break; \ case XFS_BTNUM_FINO: \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ + case XFS_BTNUM_RMAP: break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 825fa0c..cb30a25 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -455,6 +455,7 @@ xfs_sb_has_compat_feature( } #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ +#define XFS_SB_FEAT_RO_COMPAT_RMAPBT (1 << 1) /* reverse map btree */ #define XFS_SB_FEAT_RO_COMPAT_ALL \ (XFS_SB_FEAT_RO_COMPAT_FINOBT) #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL @@ -538,6 +539,12 @@ static inline bool xfs_sb_version_hasmetauuid(struct xfs_sb *sbp) (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_META_UUID); } +static inline bool xfs_sb_version_hasrmapbt(struct xfs_sb *sbp) +{ + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && + (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_RMAPBT); +} + /* * end of superblock version macros */ @@ -598,10 +605,10 @@ xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino) #define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION) /* - * Btree number 0 is bno, 1 is cnt. This value gives the size of the + * Btree number 0 is bno, 1 is cnt, 2 is rmap. This value gives the size of the * arrays below. */ -#define XFS_BTNUM_AGF ((int)XFS_BTNUM_CNTi + 1) +#define XFS_BTNUM_AGF ((int)XFS_BTNUM_RMAPi + 1) /* * The second word of agf_levels in the first a.g. overlaps the EFS @@ -618,12 +625,10 @@ typedef struct xfs_agf { __be32 agf_seqno; /* sequence # starting from 0 */ __be32 agf_length; /* size in blocks of a.g. */ /* - * Freespace information + * Freespace and rmap information */ __be32 agf_roots[XFS_BTNUM_AGF]; /* root blocks */ - __be32 agf_spare0; /* spare field */ __be32 agf_levels[XFS_BTNUM_AGF]; /* btree levels */ - __be32 agf_spare1; /* spare field */ __be32 agf_flfirst; /* first freelist block's index */ __be32 agf_fllast; /* last freelist block's index */ @@ -1307,6 +1312,13 @@ typedef __be32 xfs_inobt_ptr_t; #define XFS_FIBT_BLOCK(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) /* + * Reverse mapping btree format definitions + * + * There is a btree for the reverse map per allocation group + */ +#define XFS_RMAP_CRC_MAGIC 0x524d4233 /* 'RMB3' */ + +/* * The first data block of an AG depends on whether the filesystem was formatted * with the finobt feature. If so, account for the finobt reserved root btree * block. diff --git a/libxfs/xfs_types.h b/libxfs/xfs_types.h index f0d145a..da87796 100644 --- a/libxfs/xfs_types.h +++ b/libxfs/xfs_types.h @@ -111,8 +111,8 @@ typedef enum { } xfs_lookup_t; typedef enum { - XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi, - XFS_BTNUM_FINOi, XFS_BTNUM_MAX + XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_RMAPi, XFS_BTNUM_BMAPi, + XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_MAX } xfs_btnum_t; struct xfs_name { From darrick.wong@oracle.com Thu Jun 16 20:33:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CADD87E47 for ; Thu, 16 Jun 2016 20:33:56 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 633C4AC002 for ; Thu, 16 Jun 2016 18:33:56 -0700 (PDT) X-ASG-Debug-ID: 1466127234-04bdf01e1796060001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 1kzq4o9jBGFiD0yh (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:33:55 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Xo7X003022 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:50 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XnWc029464 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:50 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Xmmf022615; Fri, 17 Jun 2016 01:33:49 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:48 -0700 Subject: [PATCH 029/145] xfs: add rmap btree stats infrastructure From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 029/145] xfs: add rmap btree stats infrastructure To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:33:45 -0700 Message-ID: <146612722590.16048.12188344261083410845.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127235 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1343 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner The rmap btree will require the same stats as all the other generic btrees, so add al the code for that now. Signed-off-by: Dave Chinner Signed-off-by: Dave Chinner --- libxfs/xfs_btree.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 202fdd3..a29067c 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -96,7 +96,7 @@ do { \ case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(__mp, bmbt, stat); break; \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ - case XFS_BTNUM_RMAP: break; \ + case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -117,7 +117,8 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, ibt, stat, val); break; \ case XFS_BTNUM_FINO: \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ - case XFS_BTNUM_RMAP: break; \ + case XFS_BTNUM_RMAP: \ + __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) From darrick.wong@oracle.com Thu Jun 16 20:34:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E4B9E7E4F for ; Thu, 16 Jun 2016 20:34:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id A3F558F8050 for ; Thu, 16 Jun 2016 18:34:02 -0700 (PDT) X-ASG-Debug-ID: 1466127240-04bdf01e1096070001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id dXWgXHqZz5B37izf (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:00 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1XuRF015942 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:56 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1XtEY002008 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:33:55 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1XttY032255; Fri, 17 Jun 2016 01:33:55 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:33:54 -0700 Subject: [PATCH 030/145] xfs: rmap btree add more reserved blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 030/145] xfs: rmap btree add more reserved blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:33:53 -0700 Message-ID: <146612723321.16048.10346293125851584186.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127240 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6567 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner XFS reserves a small amount of space in each AG for the minimum number of free blocks needed for operation. Adding the rmap btree increases the number of reserved blocks, but it also increases the complexity of the calculation as the free inode btree is optional (like the rmbt). Rather than calculate the prealloc blocks every time we need to check it, add a function to calculate it at mount time and store it in the struct xfs_mount, and convert the XFS_PREALLOC_BLOCKS macro just to use the xfs-mount variable directly. Signed-off-by: Dave Chinner Signed-off-by: Dave Chinner --- include/xfs_mount.h | 1 + libxfs/init.c | 2 ++ libxfs/xfs_alloc.c | 11 +++++++++++ libxfs/xfs_alloc.h | 2 ++ libxfs/xfs_format.h | 9 +-------- mkfs/xfs_mkfs.c | 14 +++++++------- 6 files changed, 24 insertions(+), 15 deletions(-) diff --git a/include/xfs_mount.h b/include/xfs_mount.h index 14b05a6..2c7c72e 100644 --- a/include/xfs_mount.h +++ b/include/xfs_mount.h @@ -67,6 +67,7 @@ typedef struct xfs_mount { uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */ + xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ struct radix_tree_root m_perag_tree; uint m_flags; /* global mount flags */ uint m_qflags; /* quota status flags */ diff --git a/libxfs/init.c b/libxfs/init.c index 553da7b..7b618da 100644 --- a/libxfs/init.c +++ b/libxfs/init.c @@ -572,6 +572,8 @@ libxfs_initialize_perag( if (maxagi) *maxagi = index; + + mp->m_ag_prealloc_blocks = xfs_prealloc_blocks(mp); return 0; out_unwind: diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 675151d..738275f 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -46,6 +46,17 @@ STATIC int xfs_alloc_ag_vextent_size(xfs_alloc_arg_t *); STATIC int xfs_alloc_ag_vextent_small(xfs_alloc_arg_t *, xfs_btree_cur_t *, xfs_agblock_t *, xfs_extlen_t *, int *); +xfs_extlen_t +xfs_prealloc_blocks( + struct xfs_mount *mp) +{ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + return XFS_RMAP_BLOCK(mp) + 1; + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + return XFS_FIBT_BLOCK(mp) + 1; + return XFS_IBT_BLOCK(mp) + 1; +} + /* * Lookup the record equal to [bno, len] in the btree given by cur. */ diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index cf268b2..20b54aa 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -232,4 +232,6 @@ int xfs_alloc_fix_freelist(struct xfs_alloc_arg *args, int flags); int xfs_free_extent_fix_freelist(struct xfs_trans *tp, xfs_agnumber_t agno, struct xfs_buf **agbp); +xfs_extlen_t xfs_prealloc_blocks(struct xfs_mount *mp); + #endif /* __XFS_ALLOC_H__ */ diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index cb30a25..12048fa 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -1318,18 +1318,11 @@ typedef __be32 xfs_inobt_ptr_t; */ #define XFS_RMAP_CRC_MAGIC 0x524d4233 /* 'RMB3' */ -/* - * The first data block of an AG depends on whether the filesystem was formatted - * with the finobt feature. If so, account for the finobt reserved root btree - * block. - */ -#define XFS_PREALLOC_BLOCKS(mp) \ +#define XFS_RMAP_BLOCK(mp) \ (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ XFS_FIBT_BLOCK(mp) + 1 : \ XFS_IBT_BLOCK(mp) + 1) - - /* * BMAP Btree format definitions * diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index de00c8e..e9d2851 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -2965,7 +2965,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), /* * sb_versionnum and finobt flags must be set before we use - * XFS_PREALLOC_BLOCKS(). + * xfs_prealloc_blocks(). */ sb_set_features(&mp->m_sb, &sb_feat, sectorsize, lsectorsize, dsunit); @@ -2982,7 +2982,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), /* revalidate the log size is valid if we changed it */ validate_log_size(logblocks, blocklog, min_logblocks); } - if (logblocks > agsize - XFS_PREALLOC_BLOCKS(mp)) { + if (logblocks > agsize - xfs_prealloc_blocks(mp)) { fprintf(stderr, _("internal log size %lld too large, must fit in allocation group\n"), (long long)logblocks); @@ -2999,7 +2999,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), } else logagno = (xfs_agnumber_t)(agcount / 2); - logstart = XFS_AGB_TO_FSB(mp, logagno, XFS_PREALLOC_BLOCKS(mp)); + logstart = XFS_AGB_TO_FSB(mp, logagno, xfs_prealloc_blocks(mp)); /* * Align the logstart at stripe unit boundary. */ @@ -3077,7 +3077,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), sbp->sb_imax_pct = imaxpct; sbp->sb_icount = 0; sbp->sb_ifree = 0; - sbp->sb_fdblocks = dblocks - agcount * XFS_PREALLOC_BLOCKS(mp) - + sbp->sb_fdblocks = dblocks - agcount * xfs_prealloc_blocks(mp) - (loginternal ? logblocks : 0); sbp->sb_frextents = 0; /* will do a free later */ sbp->sb_uquotino = sbp->sb_gquotino = sbp->sb_pquotino = 0; @@ -3219,7 +3219,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), agf->agf_flfirst = 0; agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1); agf->agf_flcount = 0; - nbmblocks = (xfs_extlen_t)(agsize - XFS_PREALLOC_BLOCKS(mp)); + nbmblocks = (xfs_extlen_t)(agsize - xfs_prealloc_blocks(mp)); agf->agf_freeblks = cpu_to_be32(nbmblocks); agf->agf_longest = cpu_to_be32(nbmblocks); if (xfs_sb_version_hascrc(&mp->m_sb)) @@ -3300,7 +3300,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), agno, 0); arec = XFS_ALLOC_REC_ADDR(mp, block, 1); - arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); + arec->ar_startblock = cpu_to_be32(xfs_prealloc_blocks(mp)); if (loginternal && agno == logagno) { if (lalign) { /* @@ -3355,7 +3355,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), agno, 0); arec = XFS_ALLOC_REC_ADDR(mp, block, 1); - arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); + arec->ar_startblock = cpu_to_be32(xfs_prealloc_blocks(mp)); if (loginternal && agno == logagno) { if (lalign) { arec->ar_blockcount = cpu_to_be32( From darrick.wong@oracle.com Thu Jun 16 20:34:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3BA2B806B for ; Thu, 16 Jun 2016 20:34:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0C5218F804B for ; Thu, 16 Jun 2016 18:34:09 -0700 (PDT) X-ASG-Debug-ID: 1466127246-04cbb01fee6a020001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id gozjZ8XFkhJXPAwI (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Y2kY003316 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:02 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Y2PN002341 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:02 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Y1vq022694; Fri, 17 Jun 2016 01:34:01 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:00 -0700 Subject: [PATCH 031/145] xfs: add owner field to extent allocation and freeing From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 031/145] xfs: add owner field to extent allocation and freeing To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:33:59 -0700 Message-ID: <146612723948.16048.17689566761161440372.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127246 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15055 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines For the rmap btree to work, we have to feed the extent owner information to the the allocation and freeing functions. This information is what will end up in the rmap btree that tracks allocated extents. While we technically don't need the owner information when freeing extents, passing it allows us to validate that the extent we are removing from the rmap btree actually belonged to the owner we expected it to belong to. We also define a special set of owner values for internal metadata that would otherwise have no owner. This allows us to tell the difference between metadata owned by different per-ag btrees, as well as static fs metadata (e.g. AG headers) and internal journal blocks. There are also a couple of special cases we need to take care of - during EFI recovery, we don't actually know who the original owner was, so we need to pass a wildcard to indicate that we aren't checking the owner for validity. We also need special handling in growfs, as we "free" the space in the last AG when extending it, but because it's new space it has no actual owner... While touching the xfs_bmap_add_free() function, re-order the parameters to put the struct xfs_mount first. Extend the owner field to include both the owner type and some sort of index within the owner. The index field will be used to support reverse mappings when reflink is enabled. This is based upon a patch originally from Dave Chinner. It has been extended to add more owner information with the intent of helping recovery operations when things go wrong (e.g. offset of user data block in a file). [dchinner: de-shout the xfs_rmap_*_owner helpers] [darrick: minor style fixes suggested by Christoph Hellwig] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- libxfs/defer_item.c | 2 + libxfs/xfs_alloc.c | 11 ++++++-- libxfs/xfs_alloc.h | 4 ++- libxfs/xfs_bmap.c | 17 ++++++++++-- libxfs/xfs_bmap.h | 4 ++- libxfs/xfs_bmap_btree.c | 6 +++- libxfs/xfs_format.h | 65 +++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_ialloc.c | 7 +++-- libxfs/xfs_ialloc_btree.c | 7 ++++- 9 files changed, 110 insertions(+), 13 deletions(-) diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c index 72c28f8..777875c 100644 --- a/libxfs/defer_item.c +++ b/libxfs/defer_item.c @@ -92,7 +92,7 @@ xfs_bmap_free_finish_item( free = container_of(item, struct xfs_bmap_free_item, xbfi_list); error = xfs_free_extent(tp, free->xbfi_startblock, - free->xbfi_blockcount); + free->xbfi_blockcount, &free->xbfi_oinfo); kmem_free(free); return error; } diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 738275f..e3442a3 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -1592,6 +1592,7 @@ xfs_free_ag_extent( xfs_agnumber_t agno, /* allocation group number */ xfs_agblock_t bno, /* starting block number */ xfs_extlen_t len, /* length of extent */ + struct xfs_owner_info *oinfo, /* extent owner */ int isfl) /* set if is freelist blocks - no sb acctg */ { xfs_btree_cur_t *bno_cur; /* cursor for by-block btree */ @@ -2001,13 +2002,15 @@ xfs_alloc_fix_freelist( * back on the free list? Maybe we should only do this when space is * getting low or the AGFL is more than half full? */ + xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); while (pag->pagf_flcount > need) { struct xfs_buf *bp; error = xfs_alloc_get_freelist(tp, agbp, &bno, 0); if (error) goto out_agbp_relse; - error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, 1); + error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, + &targs.oinfo, 1); if (error) goto out_agbp_relse; bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0); @@ -2017,6 +2020,7 @@ xfs_alloc_fix_freelist( memset(&targs, 0, sizeof(targs)); targs.tp = tp; targs.mp = mp; + xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); targs.agbp = agbp; targs.agno = args->agno; targs.alignment = targs.minlen = targs.prod = targs.isfl = 1; @@ -2707,7 +2711,8 @@ int /* error */ xfs_free_extent( struct xfs_trans *tp, /* transaction pointer */ xfs_fsblock_t bno, /* starting block number of extent */ - xfs_extlen_t len) /* length of extent */ + xfs_extlen_t len, /* length of extent */ + struct xfs_owner_info *oinfo) /* extent owner */ { struct xfs_mount *mp = tp->t_mountp; struct xfs_buf *agbp; @@ -2735,7 +2740,7 @@ xfs_free_extent( agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length), err); - error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, 0); + error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, oinfo, 0); if (error) goto err; diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index 20b54aa..0721a48 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -123,6 +123,7 @@ typedef struct xfs_alloc_arg { char isfl; /* set if is freelist blocks - !acctg */ char userdata; /* mask defining userdata treatment */ xfs_fsblock_t firstblock; /* io first block allocated */ + struct xfs_owner_info oinfo; /* owner of blocks being allocated */ } xfs_alloc_arg_t; /* @@ -210,7 +211,8 @@ int /* error */ xfs_free_extent( struct xfs_trans *tp, /* transaction pointer */ xfs_fsblock_t bno, /* starting block number of extent */ - xfs_extlen_t len); /* length of extent */ + xfs_extlen_t len, /* length of extent */ + struct xfs_owner_info *oinfo); /* extent owner */ int /* error */ xfs_alloc_lookup_ge( diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 33e181c..de1c759 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -566,7 +566,8 @@ xfs_bmap_add_free( struct xfs_mount *mp, /* mount point structure */ struct xfs_defer_ops *dfops, /* list of extents */ xfs_fsblock_t bno, /* fs block number of extent */ - xfs_filblks_t len) /* length of extent */ + xfs_filblks_t len, /* length of extent */ + struct xfs_owner_info *oinfo) /* extent owner */ { struct xfs_bmap_free_item *new; /* new element */ #ifdef DEBUG @@ -585,9 +586,14 @@ xfs_bmap_add_free( ASSERT(agbno + len <= mp->m_sb.sb_agblocks); #endif ASSERT(xfs_bmap_free_item_zone != NULL); + new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); new->xbfi_startblock = bno; new->xbfi_blockcount = (xfs_extlen_t)len; + if (oinfo) + memcpy(&new->xbfi_oinfo, oinfo, sizeof(struct xfs_owner_info)); + else + memset(&new->xbfi_oinfo, 0, sizeof(struct xfs_owner_info)); trace_xfs_bmap_free_defer(mp, XFS_FSB_TO_AGNO(mp, bno), 0, XFS_FSB_TO_AGBNO(mp, bno), len); xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list); @@ -620,6 +626,7 @@ xfs_bmap_btree_to_extents( xfs_mount_t *mp; /* mount point structure */ __be64 *pp; /* ptr to block address */ struct xfs_btree_block *rblock;/* root btree block */ + struct xfs_owner_info oinfo; mp = ip->i_mount; ifp = XFS_IFORK_PTR(ip, whichfork); @@ -643,7 +650,8 @@ xfs_bmap_btree_to_extents( cblock = XFS_BUF_TO_BLOCK(cbp); if ((error = xfs_btree_check_block(cur, cblock, 0, cbp))) return error; - xfs_bmap_add_free(mp, cur->bc_private.b.dfops, cbno, 1); + xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, whichfork); + xfs_bmap_add_free(mp, cur->bc_private.b.dfops, cbno, 1, &oinfo); ip->i_d.di_nblocks--; xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L); xfs_trans_binval(tp, cbp); @@ -724,6 +732,7 @@ xfs_bmap_extents_to_btree( memset(&args, 0, sizeof(args)); args.tp = tp; args.mp = mp; + xfs_rmap_ino_bmbt_owner(&args.oinfo, ip->i_ino, whichfork); args.firstblock = *firstblock; if (*firstblock == NULLFSBLOCK) { args.type = XFS_ALLOCTYPE_START_BNO; @@ -870,6 +879,7 @@ xfs_bmap_local_to_extents( memset(&args, 0, sizeof(args)); args.tp = tp; args.mp = ip->i_mount; + xfs_rmap_ino_owner(&args.oinfo, ip->i_ino, whichfork, 0); args.firstblock = *firstblock; /* * Allocate a block. We know we need only one, since the @@ -4831,6 +4841,7 @@ xfs_bmap_del_extent( nblks = 0; do_fx = 0; } + /* * Set flag value to use in switch statement. * Left-contig is 2, right-contig is 1. @@ -5018,7 +5029,7 @@ xfs_bmap_del_extent( */ if (do_fx) xfs_bmap_add_free(mp, dfops, del->br_startblock, - del->br_blockcount); + del->br_blockcount, NULL); /* * Adjust inode # blocks in the file. */ diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index 6854e61..41f7ef2 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -67,6 +67,7 @@ struct xfs_bmap_free_item xfs_fsblock_t xbfi_startblock;/* starting fs block number */ xfs_extlen_t xbfi_blockcount;/* number of blocks in extent */ struct list_head xbfi_list; + struct xfs_owner_info xbfi_oinfo; /* extent owner */ }; #define XFS_BMAP_MAX_NMAP 4 @@ -165,7 +166,8 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt, int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *dfops, - xfs_fsblock_t bno, xfs_filblks_t len); + xfs_fsblock_t bno, xfs_filblks_t len, + struct xfs_owner_info *oinfo); void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork); diff --git a/libxfs/xfs_bmap_btree.c b/libxfs/xfs_bmap_btree.c index d290769..404e321 100644 --- a/libxfs/xfs_bmap_btree.c +++ b/libxfs/xfs_bmap_btree.c @@ -444,6 +444,8 @@ xfs_bmbt_alloc_block( args.mp = cur->bc_mp; args.fsbno = cur->bc_private.b.firstblock; args.firstblock = args.fsbno; + xfs_rmap_ino_bmbt_owner(&args.oinfo, cur->bc_private.b.ip->i_ino, + cur->bc_private.b.whichfork); if (args.fsbno == NULLFSBLOCK) { args.fsbno = be64_to_cpu(start->l); @@ -523,8 +525,10 @@ xfs_bmbt_free_block( struct xfs_inode *ip = cur->bc_private.b.ip; struct xfs_trans *tp = cur->bc_tp; xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); + struct xfs_owner_info oinfo; - xfs_bmap_add_free(mp, cur->bc_private.b.dfops, fsbno, 1); + xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, cur->bc_private.b.whichfork); + xfs_bmap_add_free(mp, cur->bc_private.b.dfops, fsbno, 1, &oinfo); ip->i_d.di_nblocks--; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 12048fa..1b63315 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -1318,6 +1318,71 @@ typedef __be32 xfs_inobt_ptr_t; */ #define XFS_RMAP_CRC_MAGIC 0x524d4233 /* 'RMB3' */ +/* + * Ownership info for an extent. This is used to create reverse-mapping + * entries. + */ +#define XFS_OWNER_INFO_ATTR_FORK (1 << 0) +#define XFS_OWNER_INFO_BMBT_BLOCK (1 << 1) +struct xfs_owner_info { + uint64_t oi_owner; + xfs_fileoff_t oi_offset; + unsigned int oi_flags; +}; + +static inline void +xfs_rmap_ag_owner( + struct xfs_owner_info *oi, + uint64_t owner) +{ + oi->oi_owner = owner; + oi->oi_offset = 0; + oi->oi_flags = 0; +} + +static inline void +xfs_rmap_ino_bmbt_owner( + struct xfs_owner_info *oi, + xfs_ino_t ino, + int whichfork) +{ + oi->oi_owner = ino; + oi->oi_offset = 0; + oi->oi_flags = XFS_OWNER_INFO_BMBT_BLOCK; + if (whichfork == XFS_ATTR_FORK) + oi->oi_flags |= XFS_OWNER_INFO_ATTR_FORK; +} + +static inline void +xfs_rmap_ino_owner( + struct xfs_owner_info *oi, + xfs_ino_t ino, + int whichfork, + xfs_fileoff_t offset) +{ + oi->oi_owner = ino; + oi->oi_offset = offset; + oi->oi_flags = 0; + if (whichfork == XFS_ATTR_FORK) + oi->oi_flags |= XFS_OWNER_INFO_ATTR_FORK; +} + +/* + * Special owner types. + * + * Seeing as we only support up to 8EB, we have the upper bit of the owner field + * to tell us we have a special owner value. We use these for static metadata + * allocated at mkfs/growfs time, as well as for freespace management metadata. + */ +#define XFS_RMAP_OWN_NULL (-1ULL) /* No owner, for growfs */ +#define XFS_RMAP_OWN_UNKNOWN (-2ULL) /* Unknown owner, for EFI recovery */ +#define XFS_RMAP_OWN_FS (-3ULL) /* static fs metadata */ +#define XFS_RMAP_OWN_LOG (-4ULL) /* static fs metadata */ +#define XFS_RMAP_OWN_AG (-5ULL) /* AG freespace btree blocks */ +#define XFS_RMAP_OWN_INOBT (-6ULL) /* Inode btree blocks */ +#define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ +#define XFS_RMAP_OWN_MIN (-8ULL) /* guard */ + #define XFS_RMAP_BLOCK(mp) \ (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ XFS_FIBT_BLOCK(mp) + 1 : \ diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 1545338..8c2344c 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -609,6 +609,7 @@ xfs_ialloc_ag_alloc( args.tp = tp; args.mp = tp->t_mountp; args.fsbno = NULLFSBLOCK; + xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_INODES); #ifdef DEBUG /* randomly do sparse inode allocations */ @@ -1819,12 +1820,14 @@ xfs_difree_inode_chunk( int nextbit; xfs_agblock_t agbno; int contigblk; + struct xfs_owner_info oinfo; DECLARE_BITMAP(holemask, XFS_INOBT_HOLEMASK_BITS); + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INODES); if (!xfs_inobt_issparse(rec->ir_holemask)) { /* not sparse, calculate extent info directly */ xfs_bmap_add_free(mp, dfops, XFS_AGB_TO_FSB(mp, agno, sagbno), - mp->m_ialloc_blks); + mp->m_ialloc_blks, &oinfo); return; } @@ -1868,7 +1871,7 @@ xfs_difree_inode_chunk( ASSERT(agbno % mp->m_sb.sb_spino_align == 0); ASSERT(contigblk % mp->m_sb.sb_spino_align == 0); xfs_bmap_add_free(mp, dfops, XFS_AGB_TO_FSB(mp, agno, agbno), - contigblk); + contigblk, &oinfo); /* reset range to current bit and carry on... */ startidx = endidx = nextbit; diff --git a/libxfs/xfs_ialloc_btree.c b/libxfs/xfs_ialloc_btree.c index cd61419..d79ddfe 100644 --- a/libxfs/xfs_ialloc_btree.c +++ b/libxfs/xfs_ialloc_btree.c @@ -95,6 +95,7 @@ xfs_inobt_alloc_block( memset(&args, 0, sizeof(args)); args.tp = cur->bc_tp; args.mp = cur->bc_mp; + xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_INOBT); args.fsbno = XFS_AGB_TO_FSB(args.mp, cur->bc_private.a.agno, sbno); args.minlen = 1; args.maxlen = 1; @@ -124,8 +125,12 @@ xfs_inobt_free_block( struct xfs_btree_cur *cur, struct xfs_buf *bp) { + struct xfs_owner_info oinfo; + + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INOBT); return xfs_free_extent(cur->bc_tp, - XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp)), 1); + XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp)), 1, + &oinfo); } STATIC int From darrick.wong@oracle.com Thu Jun 16 20:34:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3607A811A for ; Thu, 16 Jun 2016 20:34:15 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id E9F308F804B for ; Thu, 16 Jun 2016 18:34:14 -0700 (PDT) X-ASG-Debug-ID: 1466127252-04bdf01e10960a0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ZSNOPEBLUR8jhU5k (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:12 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Y8Ag003354 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:08 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Y8oa002496 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:08 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Y7dl032383; Fri, 17 Jun 2016 01:34:07 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:07 -0700 Subject: [PATCH 032/145] xfs: introduce rmap extent operation stubs From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 032/145] xfs: introduce rmap extent operation stubs To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:34:05 -0700 Message-ID: <146612724583.16048.2052256322968130910.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127252 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7981 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Add the stubs into the extent allocation and freeing paths that the rmap btree implementation will hook into. While doing this, add the trace points that will be used to track rmap btree extent manipulations. [darrick.wong@oracle.com: Extend the stubs to take full owner info.] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- include/libxfs.h | 1 + include/xfs_trace.h | 6 +++ libxfs/Makefile | 2 + libxfs/xfs_alloc.c | 18 +++++++++- libxfs/xfs_rmap.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.h | 30 ++++++++++++++++ 6 files changed, 144 insertions(+), 1 deletion(-) create mode 100644 libxfs/xfs_rmap.c create mode 100644 libxfs/xfs_rmap_btree.h diff --git a/include/libxfs.h b/include/libxfs.h index 863b0e3..5e76263 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -77,6 +77,7 @@ extern uint32_t crc32c_le(uint32_t crc, unsigned char const *p, size_t len); #include "xfs_bmap.h" #include "xfs_trace.h" #include "xfs_trans.h" +#include "xfs_rmap_btree.h" #ifndef ARRAY_SIZE #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index cdabd18..b4174a3 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -186,6 +186,12 @@ #define trace_xfs_bmap_free_deferred(...) ((void) 0) #define trace_xfs_bmap_free_defer(...) ((void) 0) +#define trace_xfs_rmap_free_extent(...) ((void) 0) +#define trace_xfs_rmap_free_extent_error(...) ((void) 0) +#define trace_xfs_rmap_alloc_extent(...) ((void) 0) +#define trace_xfs_rmap_alloc_extent_error(...) ((void) 0) +#define trace_xfs_rmap_alloc_extent_done(...) ((void) 0) +#define trace_xfs_rmap_free_extent_done(...) ((void) 0) /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) diff --git a/libxfs/Makefile b/libxfs/Makefile index 0073cd1..d7a3e57 100644 --- a/libxfs/Makefile +++ b/libxfs/Makefile @@ -36,6 +36,7 @@ HFILES = \ xfs_inode_buf.h \ xfs_inode_fork.h \ xfs_quota_defs.h \ + xfs_rmap_btree.h \ xfs_sb.h \ xfs_shared.h \ xfs_trans_resv.h \ @@ -82,6 +83,7 @@ CFILES = cache.c \ xfs_inode_fork.c \ xfs_ialloc_btree.c \ xfs_log_rlimit.c \ + xfs_rmap.c \ xfs_rtbitmap.c \ xfs_sb.c \ xfs_symlink_remote.c \ diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index e3442a3..0f35e96 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -27,6 +27,7 @@ #include "xfs_defer.h" #include "xfs_inode.h" #include "xfs_btree.h" +#include "xfs_rmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_alloc.h" #include "xfs_cksum.h" @@ -644,6 +645,14 @@ xfs_alloc_ag_vextent( ASSERT(!args->wasfromfl || !args->isfl); ASSERT(args->agbno % args->alignment == 0); + /* if not file data, insert new block into the reverse map btree */ + if (args->oinfo.oi_owner) { + error = xfs_rmap_alloc(args->tp, args->agbp, args->agno, + args->agbno, args->len, &args->oinfo); + if (error) + return error; + } + if (!args->wasfromfl) { error = xfs_alloc_update_counters(args->tp, args->pag, args->agbp, @@ -1610,12 +1619,19 @@ xfs_free_ag_extent( xfs_extlen_t nlen; /* new length of freespace */ xfs_perag_t *pag; /* per allocation group data */ + bno_cur = cnt_cur = NULL; mp = tp->t_mountp; + + if (oinfo->oi_owner) { + error = xfs_rmap_free(tp, agbp, agno, bno, len, oinfo); + if (error) + goto error0; + } + /* * Allocate and initialize a cursor for the by-block btree. */ bno_cur = xfs_allocbt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_BNO); - cnt_cur = NULL; /* * Look for a neighboring block on the left (lower block numbers) * that is contiguous with this space. diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c new file mode 100644 index 0000000..31c6336 --- /dev/null +++ b/libxfs/xfs_rmap.c @@ -0,0 +1,88 @@ + +/* + * Copyright (c) 2014 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "libxfs_priv.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_bit.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_da_format.h" +#include "xfs_da_btree.h" +#include "xfs_btree.h" +#include "xfs_trans.h" +#include "xfs_alloc.h" +#include "xfs_rmap_btree.h" +#include "xfs_trans_space.h" +#include "xfs_trace.h" + +int +xfs_rmap_free( + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agnumber_t agno, + xfs_agblock_t bno, + xfs_extlen_t len, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = tp->t_mountp; + int error = 0; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + + trace_xfs_rmap_free_extent(mp, agno, bno, len, false, oinfo); + if (1) + goto out_error; + trace_xfs_rmap_free_extent_done(mp, agno, bno, len, false, oinfo); + return 0; + +out_error: + trace_xfs_rmap_free_extent_error(mp, agno, bno, len, false, oinfo); + return error; +} + +int +xfs_rmap_alloc( + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agnumber_t agno, + xfs_agblock_t bno, + xfs_extlen_t len, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = tp->t_mountp; + int error = 0; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + + trace_xfs_rmap_alloc_extent(mp, agno, bno, len, false, oinfo); + if (1) + goto out_error; + trace_xfs_rmap_alloc_extent_done(mp, agno, bno, len, false, oinfo); + return 0; + +out_error: + trace_xfs_rmap_alloc_extent_error(mp, agno, bno, len, false, oinfo); + return error; +} diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h new file mode 100644 index 0000000..a3b8f90 --- /dev/null +++ b/libxfs/xfs_rmap_btree.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2014 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef __XFS_RMAP_BTREE_H__ +#define __XFS_RMAP_BTREE_H__ + +struct xfs_buf; + +int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, + xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, + struct xfs_owner_info *oinfo); +int xfs_rmap_free(struct xfs_trans *tp, struct xfs_buf *agbp, + xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, + struct xfs_owner_info *oinfo); + +#endif /* __XFS_RMAP_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:34:24 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E60438129 for ; Thu, 16 Jun 2016 20:34:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5FDB6AC001 for ; Thu, 16 Jun 2016 18:34:23 -0700 (PDT) X-ASG-Debug-ID: 1466127259-04cb6c542457e70001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id pr28hD1nF43aHK6f (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1YEjj003458 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:15 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1YEaO030111 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:14 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1YE6F027625; Fri, 17 Jun 2016 01:34:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:13 -0700 Subject: [PATCH 033/145] xfs: define the on-disk rmap btree format From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 033/145] xfs: define the on-disk rmap btree format To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:34:12 -0700 Message-ID: <146612725229.16048.7815813365704135602.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127260 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 17394 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Now we have all the surrounding call infrastructure in place, we can start filling out the rmap btree implementation. Start with the on-disk btree format; add everything needed to read, write and manipulate rmap btree blocks. This prepares the way for adding the btree operations implementation. [darrick: record owner and offset info in rmap btree] [darrick: fork, bmbt and unwritten state in rmap btree] [darrick: flags are a separate field in xfs_rmap_irec] [darrick: calculate maxlevels separately] [darrick: move 'unwritten' bit to rm_offset] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- include/xfs_mount.h | 3 + libxfs/Makefile | 1 libxfs/init.c | 2 + libxfs/xfs_btree.c | 3 + libxfs/xfs_btree.h | 18 +++-- libxfs/xfs_format.h | 140 +++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.c | 178 +++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.h | 32 ++++++++ libxfs/xfs_sb.c | 6 ++ libxfs/xfs_shared.h | 2 + 10 files changed, 377 insertions(+), 8 deletions(-) create mode 100644 libxfs/xfs_rmap_btree.c diff --git a/include/xfs_mount.h b/include/xfs_mount.h index 2c7c72e..7d63c93 100644 --- a/include/xfs_mount.h +++ b/include/xfs_mount.h @@ -64,9 +64,12 @@ typedef struct xfs_mount { uint m_bmap_dmnr[2]; /* XFS_BMAP_BLOCK_DMINRECS */ uint m_inobt_mxr[2]; /* XFS_INOBT_BLOCK_MAXRECS */ uint m_inobt_mnr[2]; /* XFS_INOBT_BLOCK_MINRECS */ + uint m_rmap_mxr[2]; /* max rmap btree records */ + uint m_rmap_mnr[2]; /* min rmap btree records */ uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */ + uint m_rmap_maxlevels; /* max rmap btree levels */ xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ struct radix_tree_root m_perag_tree; uint m_flags; /* global mount flags */ diff --git a/libxfs/Makefile b/libxfs/Makefile index d7a3e57..df47da2 100644 --- a/libxfs/Makefile +++ b/libxfs/Makefile @@ -84,6 +84,7 @@ CFILES = cache.c \ xfs_ialloc_btree.c \ xfs_log_rlimit.c \ xfs_rmap.c \ + xfs_rmap_btree.c \ xfs_rtbitmap.c \ xfs_sb.c \ xfs_symlink_remote.c \ diff --git a/libxfs/init.c b/libxfs/init.c index 7b618da..c56d123 100644 --- a/libxfs/init.c +++ b/libxfs/init.c @@ -31,6 +31,7 @@ #include "xfs_inode_fork.h" #include "xfs_inode.h" #include "xfs_trans.h" +#include "xfs_rmap_btree.h" #include "libxfs.h" /* for now */ @@ -683,6 +684,7 @@ libxfs_mount( xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK); xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK); xfs_ialloc_compute_maxlevels(mp); + xfs_rmapbt_compute_maxlevels(mp); if (sbp->sb_imax_pct) { /* Make sure the maximum inode count is a multiple of the diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 8f66e14..db0267a 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -1206,6 +1206,9 @@ xfs_btree_set_refs( case XFS_BTNUM_BMAP: xfs_buf_set_ref(bp, XFS_BMAP_BTREE_REF); break; + case XFS_BTNUM_RMAP: + xfs_buf_set_ref(bp, XFS_RMAP_BTREE_REF); + break; default: ASSERT(0); } diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index a29067c..90ea2a7 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -38,17 +38,19 @@ union xfs_btree_ptr { }; union xfs_btree_key { - xfs_bmbt_key_t bmbt; - xfs_bmdr_key_t bmbr; /* bmbt root block */ - xfs_alloc_key_t alloc; - xfs_inobt_key_t inobt; + struct xfs_bmbt_key bmbt; + xfs_bmdr_key_t bmbr; /* bmbt root block */ + xfs_alloc_key_t alloc; + struct xfs_inobt_key inobt; + struct xfs_rmap_key rmap; }; union xfs_btree_rec { - xfs_bmbt_rec_t bmbt; - xfs_bmdr_rec_t bmbr; /* bmbt root block */ - xfs_alloc_rec_t alloc; - xfs_inobt_rec_t inobt; + struct xfs_bmbt_rec bmbt; + xfs_bmdr_rec_t bmbr; /* bmbt root block */ + struct xfs_alloc_rec alloc; + struct xfs_inobt_rec inobt; + struct xfs_rmap_rec rmap; }; /* diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 1b63315..2525004 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -1383,11 +1383,151 @@ xfs_rmap_ino_owner( #define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ #define XFS_RMAP_OWN_MIN (-8ULL) /* guard */ +#define XFS_RMAP_NON_INODE_OWNER(owner) (!!((owner) & (1ULL << 63))) + +/* + * Data record structure + */ +struct xfs_rmap_rec { + __be32 rm_startblock; /* extent start block */ + __be32 rm_blockcount; /* extent length */ + __be64 rm_owner; /* extent owner */ + __be64 rm_offset; /* offset within the owner */ +}; + +/* + * rmap btree record + * rm_offset:63 is the attribute fork flag + * rm_offset:62 is the bmbt block flag + * rm_offset:61 is the unwritten extent flag (same as l0:63 in bmbt) + * rm_offset:54-60 aren't used and should be zero + * rm_offset:0-53 is the block offset within the inode + */ +#define XFS_RMAP_OFF_ATTR_FORK ((__uint64_t)1ULL << 63) +#define XFS_RMAP_OFF_BMBT_BLOCK ((__uint64_t)1ULL << 62) +#define XFS_RMAP_OFF_UNWRITTEN ((__uint64_t)1ULL << 61) + +#define XFS_RMAP_LEN_MAX ((__uint32_t)~0U) +#define XFS_RMAP_OFF_FLAGS (XFS_RMAP_OFF_ATTR_FORK | \ + XFS_RMAP_OFF_BMBT_BLOCK | \ + XFS_RMAP_OFF_UNWRITTEN) +#define XFS_RMAP_OFF_MASK ((__uint64_t)0x3FFFFFFFFFFFFFULL) + +#define XFS_RMAP_OFF(off) ((off) & XFS_RMAP_OFF_MASK) + +#define XFS_RMAP_IS_BMBT_BLOCK(off) (!!((off) & XFS_RMAP_OFF_BMBT_BLOCK)) +#define XFS_RMAP_IS_ATTR_FORK(off) (!!((off) & XFS_RMAP_OFF_ATTR_FORK)) +#define XFS_RMAP_IS_UNWRITTEN(len) (!!((off) & XFS_RMAP_OFF_UNWRITTEN)) + +#define RMAPBT_STARTBLOCK_BITLEN 32 +#define RMAPBT_BLOCKCOUNT_BITLEN 32 +#define RMAPBT_OWNER_BITLEN 64 +#define RMAPBT_ATTRFLAG_BITLEN 1 +#define RMAPBT_BMBTFLAG_BITLEN 1 +#define RMAPBT_EXNTFLAG_BITLEN 1 +#define RMAPBT_UNUSED_OFFSET_BITLEN 7 +#define RMAPBT_OFFSET_BITLEN 54 + +#define XFS_RMAP_ATTR_FORK (1 << 0) +#define XFS_RMAP_BMBT_BLOCK (1 << 1) +#define XFS_RMAP_UNWRITTEN (1 << 2) +#define XFS_RMAP_KEY_FLAGS (XFS_RMAP_ATTR_FORK | \ + XFS_RMAP_BMBT_BLOCK) +#define XFS_RMAP_REC_FLAGS (XFS_RMAP_UNWRITTEN) +struct xfs_rmap_irec { + xfs_agblock_t rm_startblock; /* extent start block */ + xfs_extlen_t rm_blockcount; /* extent length */ + __uint64_t rm_owner; /* extent owner */ + __uint64_t rm_offset; /* offset within the owner */ + unsigned int rm_flags; /* state flags */ +}; + +static inline __u64 +xfs_rmap_irec_offset_pack( + const struct xfs_rmap_irec *irec) +{ + __u64 x; + + x = XFS_RMAP_OFF(irec->rm_offset); + if (irec->rm_flags & XFS_RMAP_ATTR_FORK) + x |= XFS_RMAP_OFF_ATTR_FORK; + if (irec->rm_flags & XFS_RMAP_BMBT_BLOCK) + x |= XFS_RMAP_OFF_BMBT_BLOCK; + if (irec->rm_flags & XFS_RMAP_UNWRITTEN) + x |= XFS_RMAP_OFF_UNWRITTEN; + return x; +} + +static inline int +xfs_rmap_irec_offset_unpack( + __u64 offset, + struct xfs_rmap_irec *irec) +{ + if (offset & ~(XFS_RMAP_OFF_MASK | XFS_RMAP_OFF_FLAGS)) + return -EFSCORRUPTED; + irec->rm_offset = XFS_RMAP_OFF(offset); + if (offset & XFS_RMAP_OFF_ATTR_FORK) + irec->rm_flags |= XFS_RMAP_ATTR_FORK; + if (offset & XFS_RMAP_OFF_BMBT_BLOCK) + irec->rm_flags |= XFS_RMAP_BMBT_BLOCK; + if (offset & XFS_RMAP_OFF_UNWRITTEN) + irec->rm_flags |= XFS_RMAP_UNWRITTEN; + return 0; +} + +/* + * Key structure + * + * We don't use the length for lookups + */ +struct xfs_rmap_key { + __be32 rm_startblock; /* extent start block */ + __be64 rm_owner; /* extent owner */ + __be64 rm_offset; /* offset within the owner */ +} __attribute__((packed)); + +/* btree pointer type */ +typedef __be32 xfs_rmap_ptr_t; + #define XFS_RMAP_BLOCK(mp) \ (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ XFS_FIBT_BLOCK(mp) + 1 : \ XFS_IBT_BLOCK(mp) + 1) +static inline void +xfs_owner_info_unpack( + struct xfs_owner_info *oinfo, + uint64_t *owner, + uint64_t *offset, + unsigned int *flags) +{ + unsigned int r = 0; + + *owner = oinfo->oi_owner; + *offset = oinfo->oi_offset; + if (oinfo->oi_flags & XFS_OWNER_INFO_ATTR_FORK) + r |= XFS_RMAP_ATTR_FORK; + if (oinfo->oi_flags & XFS_OWNER_INFO_BMBT_BLOCK) + r |= XFS_RMAP_BMBT_BLOCK; + *flags = r; +} + +static inline void +xfs_owner_info_pack( + struct xfs_owner_info *oinfo, + uint64_t owner, + uint64_t offset, + unsigned int flags) +{ + oinfo->oi_owner = owner; + oinfo->oi_offset = XFS_RMAP_OFF(offset); + oinfo->oi_flags = 0; + if (flags & XFS_RMAP_ATTR_FORK) + oinfo->oi_flags |= XFS_OWNER_INFO_ATTR_FORK; + if (flags & XFS_RMAP_BMBT_BLOCK) + oinfo->oi_flags |= XFS_OWNER_INFO_BMBT_BLOCK; +} + /* * BMAP Btree format definitions * diff --git a/libxfs/xfs_rmap_btree.c b/libxfs/xfs_rmap_btree.c new file mode 100644 index 0000000..02636f6 --- /dev/null +++ b/libxfs/xfs_rmap_btree.c @@ -0,0 +1,178 @@ +/* + * Copyright (c) 2014 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "libxfs_priv.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_bit.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_inode.h" +#include "xfs_trans.h" +#include "xfs_alloc.h" +#include "xfs_btree.h" +#include "xfs_rmap_btree.h" +#include "xfs_trace.h" +#include "xfs_cksum.h" + +static struct xfs_btree_cur * +xfs_rmapbt_dup_cursor( + struct xfs_btree_cur *cur) +{ + return xfs_rmapbt_init_cursor(cur->bc_mp, cur->bc_tp, + cur->bc_private.a.agbp, cur->bc_private.a.agno); +} + +static bool +xfs_rmapbt_verify( + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); + struct xfs_perag *pag = bp->b_pag; + unsigned int level; + + /* + * magic number and level verification + * + * During growfs operations, we can't verify the exact level or owner as + * the perag is not fully initialised and hence not attached to the + * buffer. In this case, check against the maximum tree depth. + * + * Similarly, during log recovery we will have a perag structure + * attached, but the agf information will not yet have been initialised + * from the on disk AGF. Again, we can only check against maximum limits + * in this case. + */ + if (block->bb_magic != cpu_to_be32(XFS_RMAP_CRC_MAGIC)) + return false; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return false; + if (!xfs_btree_sblock_v5hdr_verify(bp)) + return false; + + level = be16_to_cpu(block->bb_level); + if (pag && pag->pagf_init) { + if (level >= pag->pagf_levels[XFS_BTNUM_RMAPi]) + return false; + } else if (level >= mp->m_rmap_maxlevels) + return false; + + return xfs_btree_sblock_verify(bp, mp->m_rmap_mxr[level != 0]); +} + +static void +xfs_rmapbt_read_verify( + struct xfs_buf *bp) +{ + if (!xfs_btree_sblock_verify_crc(bp)) + xfs_buf_ioerror(bp, -EFSBADCRC); + else if (!xfs_rmapbt_verify(bp)) + xfs_buf_ioerror(bp, -EFSCORRUPTED); + + if (bp->b_error) { + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_verifier_error(bp); + } +} + +static void +xfs_rmapbt_write_verify( + struct xfs_buf *bp) +{ + if (!xfs_rmapbt_verify(bp)) { + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_buf_ioerror(bp, -EFSCORRUPTED); + xfs_verifier_error(bp); + return; + } + xfs_btree_sblock_calc_crc(bp); + +} + +const struct xfs_buf_ops xfs_rmapbt_buf_ops = { + .name = "xfs_rmapbt", + .verify_read = xfs_rmapbt_read_verify, + .verify_write = xfs_rmapbt_write_verify, +}; + +static const struct xfs_btree_ops xfs_rmapbt_ops = { + .rec_len = sizeof(struct xfs_rmap_rec), + .key_len = sizeof(struct xfs_rmap_key), + + .dup_cursor = xfs_rmapbt_dup_cursor, + .buf_ops = &xfs_rmapbt_buf_ops, +}; + +/* + * Allocate a new allocation btree cursor. + */ +struct xfs_btree_cur * +xfs_rmapbt_init_cursor( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agnumber_t agno) +{ + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + struct xfs_btree_cur *cur; + + cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_NOFS); + cur->bc_tp = tp; + cur->bc_mp = mp; + cur->bc_btnum = XFS_BTNUM_RMAP; + cur->bc_flags = XFS_BTREE_CRC_BLOCKS; + cur->bc_blocklog = mp->m_sb.sb_blocklog; + cur->bc_ops = &xfs_rmapbt_ops; + cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]); + + cur->bc_private.a.agbp = agbp; + cur->bc_private.a.agno = agno; + + return cur; +} + +/* + * Calculate number of records in an rmap btree block. + */ +int +xfs_rmapbt_maxrecs( + struct xfs_mount *mp, + int blocklen, + int leaf) +{ + blocklen -= XFS_RMAP_BLOCK_LEN; + + if (leaf) + return blocklen / sizeof(struct xfs_rmap_rec); + return blocklen / + (sizeof(struct xfs_rmap_key) + sizeof(xfs_rmap_ptr_t)); +} + +/* Compute the maximum height of an rmap btree. */ +void +xfs_rmapbt_compute_maxlevels( + struct xfs_mount *mp) +{ + mp->m_rmap_maxlevels = xfs_btree_compute_maxlevels(mp, + mp->m_rmap_mnr, mp->m_sb.sb_agblocks); +} diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index a3b8f90..462767f 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -19,6 +19,38 @@ #define __XFS_RMAP_BTREE_H__ struct xfs_buf; +struct xfs_btree_cur; +struct xfs_mount; + +/* rmaps only exist on crc enabled filesystems */ +#define XFS_RMAP_BLOCK_LEN XFS_BTREE_SBLOCK_CRC_LEN + +/* + * Record, key, and pointer address macros for btree blocks. + * + * (note that some of these may appear unused, but they are used in userspace) + */ +#define XFS_RMAP_REC_ADDR(block, index) \ + ((struct xfs_rmap_rec *) \ + ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ + (((index) - 1) * sizeof(struct xfs_rmap_rec)))) + +#define XFS_RMAP_KEY_ADDR(block, index) \ + ((struct xfs_rmap_key *) \ + ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ + ((index) - 1) * sizeof(struct xfs_rmap_key))) + +#define XFS_RMAP_PTR_ADDR(block, index, maxrecs) \ + ((xfs_rmap_ptr_t *) \ + ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ + (maxrecs) * sizeof(struct xfs_rmap_key) + \ + ((index) - 1) * sizeof(xfs_rmap_ptr_t))) + +struct xfs_btree_cur *xfs_rmapbt_init_cursor(struct xfs_mount *mp, + struct xfs_trans *tp, struct xfs_buf *bp, + xfs_agnumber_t agno); +int xfs_rmapbt_maxrecs(struct xfs_mount *mp, int blocklen, int leaf); +extern void xfs_rmapbt_compute_maxlevels(struct xfs_mount *mp); int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c index a4ee48e..0dfa179 100644 --- a/libxfs/xfs_sb.c +++ b/libxfs/xfs_sb.c @@ -34,6 +34,7 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" +#include "xfs_rmap_btree.h" /* * Physical superblock buffer manipulations. Shared with libxfs in userspace. @@ -731,6 +732,11 @@ xfs_sb_mount_common( mp->m_bmap_dmnr[0] = mp->m_bmap_dmxr[0] / 2; mp->m_bmap_dmnr[1] = mp->m_bmap_dmxr[1] / 2; + mp->m_rmap_mxr[0] = xfs_rmapbt_maxrecs(mp, sbp->sb_blocksize, 1); + mp->m_rmap_mxr[1] = xfs_rmapbt_maxrecs(mp, sbp->sb_blocksize, 0); + mp->m_rmap_mnr[0] = mp->m_rmap_mxr[0] / 2; + mp->m_rmap_mnr[1] = mp->m_rmap_mxr[1] / 2; + mp->m_bsize = XFS_FSB_TO_BB(mp, 1); mp->m_ialloc_inos = (int)MAX((__uint16_t)XFS_INODES_PER_CHUNK, sbp->sb_inopblock); diff --git a/libxfs/xfs_shared.h b/libxfs/xfs_shared.h index 16002b5..0c5b30b 100644 --- a/libxfs/xfs_shared.h +++ b/libxfs/xfs_shared.h @@ -38,6 +38,7 @@ extern const struct xfs_buf_ops xfs_agi_buf_ops; extern const struct xfs_buf_ops xfs_agf_buf_ops; extern const struct xfs_buf_ops xfs_agfl_buf_ops; extern const struct xfs_buf_ops xfs_allocbt_buf_ops; +extern const struct xfs_buf_ops xfs_rmapbt_buf_ops; extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops; extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops; extern const struct xfs_buf_ops xfs_bmbt_buf_ops; @@ -116,6 +117,7 @@ int xfs_log_calc_minimum_size(struct xfs_mount *); #define XFS_INO_BTREE_REF 3 #define XFS_ALLOC_BTREE_REF 2 #define XFS_BMAP_BTREE_REF 2 +#define XFS_RMAP_BTREE_REF 2 #define XFS_DIR_BTREE_REF 2 #define XFS_INO_REF 2 #define XFS_ATTR_BTREE_REF 1 From darrick.wong@oracle.com Thu Jun 16 20:34:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D02BA8137 for ; Thu, 16 Jun 2016 20:34:28 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 47F0FAC001 for ; Thu, 16 Jun 2016 18:34:28 -0700 (PDT) X-ASG-Debug-ID: 1466127265-04cbb01fee6a070001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id dhE2atXGbq1HLyIo (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:26 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1YKhK003558 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:34:21 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1YKCT028784 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:20 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1YKLE027665; Fri, 17 Jun 2016 01:34:20 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:20 -0700 Subject: [PATCH 034/145] xfs: rmap btree transaction reservations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 034/145] xfs: rmap btree transaction reservations To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:34:18 -0700 Message-ID: <146612725864.16048.5510258305657258555.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127266 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8369 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines The rmap btrees will use the AGFL as the block allocation source, so we need to ensure that the transaction reservations reflect the fact this tree is modified by allocation and freeing. Hence we need to extend all the extent allocation/free reservations used in transactions to handle this. Note that this also gets rid of the unused XFS_ALLOCFREE_LOG_RES macro, as we now do buffer reservations based on the number of buffers logged via xfs_calc_buf_res(). Hence we only need the buffer count calculation now. [darrick: use rmap_maxlevels when calculating log block resv] Signed-off-by: Dave Chinner Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong --- libxfs/xfs_trans_resv.c | 58 +++++++++++++++++++++++++++++++++-------------- libxfs/xfs_trans_resv.h | 10 -------- 2 files changed, 41 insertions(+), 27 deletions(-) diff --git a/libxfs/xfs_trans_resv.c b/libxfs/xfs_trans_resv.c index c55220f..2ed80a5 100644 --- a/libxfs/xfs_trans_resv.c +++ b/libxfs/xfs_trans_resv.c @@ -63,6 +63,30 @@ xfs_calc_buf_res( } /* + * Per-extent log reservation for the btree changes involved in freeing or + * allocating an extent. In classic XFS there were two trees that will be + * modified (bnobt + cntbt). With rmap enabled, there are three trees + * (rmapbt). The number of blocks reserved is based on the formula: + * + * num trees * ((2 blocks/level * max depth) - 1) + * + * Keep in mind that max depth is calculated separately for each type of tree. + */ +static uint +xfs_allocfree_log_count( + struct xfs_mount *mp, + uint num_ops) +{ + uint blocks; + + blocks = num_ops * 2 * (2 * mp->m_ag_maxlevels - 1); + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + blocks += num_ops * (2 * mp->m_rmap_maxlevels - 1); + + return blocks; +} + +/* * Logging inodes is really tricksy. They are logged in memory format, * which means that what we write into the log doesn't directly translate into * the amount of space they use on disk. @@ -125,7 +149,7 @@ xfs_calc_inode_res( */ STATIC uint xfs_calc_finobt_res( - struct xfs_mount *mp, + struct xfs_mount *mp, int alloc, int modify) { @@ -136,7 +160,7 @@ xfs_calc_finobt_res( res = xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)); if (alloc) - res += xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + res += xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); if (modify) res += (uint)XFS_FSB_TO_B(mp, 1); @@ -187,10 +211,10 @@ xfs_calc_write_reservation( xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK), XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 2), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(5, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 2), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), XFS_FSB_TO_B(mp, 1)))); } @@ -216,10 +240,10 @@ xfs_calc_itruncate_reservation( xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1, XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(9, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 4), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 4), XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(5, 0) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(2 + mp->m_ialloc_blks + mp->m_in_maxlevels, 0))); @@ -246,7 +270,7 @@ xfs_calc_rename_reservation( xfs_calc_buf_res(2 * XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(7, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 3), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 3), XFS_FSB_TO_B(mp, 1)))); } @@ -285,7 +309,7 @@ xfs_calc_link_reservation( xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)))); } @@ -323,7 +347,7 @@ xfs_calc_remove_reservation( xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(4, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 2), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), XFS_FSB_TO_B(mp, 1)))); } @@ -370,7 +394,7 @@ xfs_calc_create_resv_alloc( mp->m_sb.sb_sectsize + xfs_calc_buf_res(mp->m_ialloc_blks, XFS_FSB_TO_B(mp, 1)) + xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); } @@ -398,7 +422,7 @@ xfs_calc_icreate_resv_alloc( return xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) + mp->m_sb.sb_sectsize + xfs_calc_buf_res(mp->m_in_maxlevels, XFS_FSB_TO_B(mp, 1)) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)) + xfs_calc_finobt_res(mp, 0, 0); } @@ -482,7 +506,7 @@ xfs_calc_ifree_reservation( xfs_calc_buf_res(1, 0) + xfs_calc_buf_res(2 + mp->m_ialloc_blks + mp->m_in_maxlevels, 0) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)) + xfs_calc_finobt_res(mp, 0, 1); } @@ -512,7 +536,7 @@ xfs_calc_growdata_reservation( struct xfs_mount *mp) { return xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); } @@ -534,7 +558,7 @@ xfs_calc_growrtalloc_reservation( xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK), XFS_FSB_TO_B(mp, 1)) + xfs_calc_inode_res(mp, 1) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); } @@ -610,7 +634,7 @@ xfs_calc_addafork_reservation( xfs_calc_buf_res(1, mp->m_dir_geo->blksize) + xfs_calc_buf_res(XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1, XFS_FSB_TO_B(mp, 1)) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 1), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), XFS_FSB_TO_B(mp, 1)); } @@ -633,7 +657,7 @@ xfs_calc_attrinval_reservation( xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK), XFS_FSB_TO_B(mp, 1))), (xfs_calc_buf_res(9, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 4), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 4), XFS_FSB_TO_B(mp, 1)))); } @@ -700,7 +724,7 @@ xfs_calc_attrrm_reservation( XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK), 0)), (xfs_calc_buf_res(5, mp->m_sb.sb_sectsize) + - xfs_calc_buf_res(XFS_ALLOCFREE_LOG_COUNT(mp, 2), + xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), XFS_FSB_TO_B(mp, 1)))); } diff --git a/libxfs/xfs_trans_resv.h b/libxfs/xfs_trans_resv.h index 7978150..0eb46ed 100644 --- a/libxfs/xfs_trans_resv.h +++ b/libxfs/xfs_trans_resv.h @@ -68,16 +68,6 @@ struct xfs_trans_resv { #define M_RES(mp) (&(mp)->m_resv) /* - * Per-extent log reservation for the allocation btree changes - * involved in freeing or allocating an extent. - * 2 trees * (2 blocks/level * max depth - 1) * block size - */ -#define XFS_ALLOCFREE_LOG_RES(mp,nx) \ - ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * (mp)->m_ag_maxlevels - 1))) -#define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \ - ((nx) * (2 * (2 * (mp)->m_ag_maxlevels - 1))) - -/* * Per-directory log reservation for any directory change. * dir blocks: (1 btree block per level + data block + free block) * dblock size * bmap btree: (levels + 2) * max depth * block size From darrick.wong@oracle.com Thu Jun 16 20:34:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E96BA813D for ; Thu, 16 Jun 2016 20:34:35 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id A8468304048 for ; Thu, 16 Jun 2016 18:34:35 -0700 (PDT) X-ASG-Debug-ID: 1466127273-04bdf01e13960e0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id IVTxz9spotoCD142 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:33 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1YShP003586 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:28 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1YRvn030438 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:28 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1YQcV022770; Fri, 17 Jun 2016 01:34:27 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:26 -0700 Subject: [PATCH 035/145] xfs: rmap btree requires more reserved free space From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 035/145] xfs: rmap btree requires more reserved free space To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:34:24 -0700 Message-ID: <146612726489.16048.15166686813025455661.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127273 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10001 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner The rmap btree is allocated from the AGFL, which means we have to ensure ENOSPC is reported to userspace before we run out of free space in each AG. The last allocation in an AG can cause a full height rmap btree split, and that means we have to reserve at least this many blocks *in each AG* to be placed on the AGFL at ENOSPC. Update the various space calculation functiosn to handle this. Also, because the macros are now executing conditional code and are called quite frequently, convert them to functions that initialise varaibles in the struct xfs_mount, use the new variables everywhere and document the calculations better. v2: If rmapbt is disabled, it is incorrect to require 1 extra AGFL block for the rmapbt (due to the + 1); the entire clause needs to be gated on the feature flag. v3: Use m_rmap_maxlevels to determine min_free. [darrick.wong@oracle.com: don't reserve blocks if !rmap] [dchinner@redhat.com: update m_ag_max_usable after growfs] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- include/xfs_mount.h | 2 + libxfs/xfs_alloc.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_alloc.h | 41 ++++------------------------- libxfs/xfs_bmap.c | 2 + libxfs/xfs_sb.c | 2 + mkfs/xfs_mkfs.c | 2 + 6 files changed, 82 insertions(+), 38 deletions(-) diff --git a/include/xfs_mount.h b/include/xfs_mount.h index 7d63c93..5cd9464 100644 --- a/include/xfs_mount.h +++ b/include/xfs_mount.h @@ -71,6 +71,8 @@ typedef struct xfs_mount { uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */ uint m_rmap_maxlevels; /* max rmap btree levels */ xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ + uint m_alloc_set_aside; /* space we can't use */ + uint m_ag_max_usable; /* max space per AG */ struct radix_tree_root m_perag_tree; uint m_flags; /* global mount flags */ uint m_qflags; /* quota status flags */ diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 0f35e96..7d680da 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -59,6 +59,72 @@ xfs_prealloc_blocks( } /* + * In order to avoid ENOSPC-related deadlock caused by out-of-order locking of + * AGF buffer (PV 947395), we place constraints on the relationship among + * actual allocations for data blocks, freelist blocks, and potential file data + * bmap btree blocks. However, these restrictions may result in no actual space + * allocated for a delayed extent, for example, a data block in a certain AG is + * allocated but there is no additional block for the additional bmap btree + * block due to a split of the bmap btree of the file. The result of this may + * lead to an infinite loop when the file gets flushed to disk and all delayed + * extents need to be actually allocated. To get around this, we explicitly set + * aside a few blocks which will not be reserved in delayed allocation. + * + * The minimum number of needed freelist blocks is 4 fsbs _per AG_ when we are + * not using rmap btrees a potential split of file's bmap btree requires 1 fsb, + * so we set the number of set-aside blocks to 4 + 4*agcount when not using + * rmap btrees. + * + * When rmap btrees are active, we have to consider that using the last block + * in the AG can cause a full height rmap btree split and we need enough blocks + * on the AGFL to be able to handle this. That means we have, in addition to + * the above consideration, another (2 * mp->m_rmap_levels) - 1 blocks required + * to be available to the free list. + */ +unsigned int +xfs_alloc_set_aside( + struct xfs_mount *mp) +{ + unsigned int blocks; + + blocks = 4 + (mp->m_sb.sb_agcount * XFS_ALLOC_AGFL_RESERVE); + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return blocks; + return blocks + (mp->m_sb.sb_agcount * (2 * mp->m_rmap_maxlevels) - 1); +} + +/* + * When deciding how much space to allocate out of an AG, we limit the + * allocation maximum size to the size the AG. However, we cannot use all the + * blocks in the AG - some are permanently used by metadata. These + * blocks are generally: + * - the AG superblock, AGF, AGI and AGFL + * - the AGF (bno and cnt) and AGI btree root blocks, and optionally + * the AGI free inode and rmap btree root blocks. + * - blocks on the AGFL according to xfs_alloc_set_aside() limits + * + * The AG headers are sector sized, so the amount of space they take up is + * dependent on filesystem geometry. The others are all single blocks. + */ +unsigned int +xfs_alloc_ag_max_usable(struct xfs_mount *mp) +{ + unsigned int blocks; + + blocks = XFS_BB_TO_FSB(mp, XFS_FSS_TO_BB(mp, 4)); /* ag headers */ + blocks += XFS_ALLOC_AGFL_RESERVE; + blocks += 3; /* AGF, AGI btree root blocks */ + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + blocks++; /* finobt root block */ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + /* rmap root block + full tree split on full AG */ + blocks += 1 + (2 * mp->m_ag_maxlevels) - 1; + } + + return mp->m_sb.sb_agblocks - blocks; +} + +/* * Lookup the record equal to [bno, len] in the btree given by cur. */ STATIC int /* error */ @@ -1900,6 +1966,11 @@ xfs_alloc_min_freelist( /* space needed by-size freespace btree */ min_free += min_t(unsigned int, pag->pagf_levels[XFS_BTNUM_CNTi] + 1, mp->m_ag_maxlevels); + /* space needed reverse mapping used space btree */ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + min_free += min_t(unsigned int, + pag->pagf_levels[XFS_BTNUM_RMAPi] + 1, + mp->m_rmap_maxlevels); return min_free; } diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index 0721a48..7b6c66b 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -56,42 +56,6 @@ typedef unsigned int xfs_alloctype_t; #define XFS_ALLOC_FLAG_FREEING 0x00000002 /* indicate caller is freeing extents*/ /* - * In order to avoid ENOSPC-related deadlock caused by - * out-of-order locking of AGF buffer (PV 947395), we place - * constraints on the relationship among actual allocations for - * data blocks, freelist blocks, and potential file data bmap - * btree blocks. However, these restrictions may result in no - * actual space allocated for a delayed extent, for example, a data - * block in a certain AG is allocated but there is no additional - * block for the additional bmap btree block due to a split of the - * bmap btree of the file. The result of this may lead to an - * infinite loop in xfssyncd when the file gets flushed to disk and - * all delayed extents need to be actually allocated. To get around - * this, we explicitly set aside a few blocks which will not be - * reserved in delayed allocation. Considering the minimum number of - * needed freelist blocks is 4 fsbs _per AG_, a potential split of file's bmap - * btree requires 1 fsb, so we set the number of set-aside blocks - * to 4 + 4*agcount. - */ -#define XFS_ALLOC_SET_ASIDE(mp) (4 + ((mp)->m_sb.sb_agcount * 4)) - -/* - * When deciding how much space to allocate out of an AG, we limit the - * allocation maximum size to the size the AG. However, we cannot use all the - * blocks in the AG - some are permanently used by metadata. These - * blocks are generally: - * - the AG superblock, AGF, AGI and AGFL - * - the AGF (bno and cnt) and AGI btree root blocks - * - 4 blocks on the AGFL according to XFS_ALLOC_SET_ASIDE() limits - * - * The AG headers are sector sized, so the amount of space they take up is - * dependent on filesystem geometry. The others are all single blocks. - */ -#define XFS_ALLOC_AG_MAX_USABLE(mp) \ - ((mp)->m_sb.sb_agblocks - XFS_BB_TO_FSB(mp, XFS_FSS_TO_BB(mp, 4)) - 7) - - -/* * Argument structure for xfs_alloc routines. * This is turned into a structure to avoid having 20 arguments passed * down several levels of the stack. @@ -133,6 +97,11 @@ typedef struct xfs_alloc_arg { #define XFS_ALLOC_INITIAL_USER_DATA (1 << 1)/* special case start of file */ #define XFS_ALLOC_USERDATA_ZERO (1 << 2)/* zero extent on allocation */ +/* freespace limit calculations */ +#define XFS_ALLOC_AGFL_RESERVE 4 +unsigned int xfs_alloc_set_aside(struct xfs_mount *mp); +unsigned int xfs_alloc_ag_max_usable(struct xfs_mount *mp); + xfs_extlen_t xfs_alloc_longest_free_extent(struct xfs_mount *mp, struct xfs_perag *pag, xfs_extlen_t need); unsigned int xfs_alloc_min_freelist(struct xfs_mount *mp, diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index de1c759..453d073 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -3664,7 +3664,7 @@ xfs_bmap_btalloc( args.fsbno = ap->blkno; /* Trim the allocation back to the maximum an AG can fit. */ - args.maxlen = MIN(ap->length, XFS_ALLOC_AG_MAX_USABLE(mp)); + args.maxlen = MIN(ap->length, mp->m_ag_max_usable); args.firstblock = *ap->firstblock; blen = 0; if (nullfb) { diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c index 0dfa179..26c29ea 100644 --- a/libxfs/xfs_sb.c +++ b/libxfs/xfs_sb.c @@ -746,6 +746,8 @@ xfs_sb_mount_common( mp->m_ialloc_min_blks = sbp->sb_spino_align; else mp->m_ialloc_min_blks = mp->m_ialloc_blks; + mp->m_alloc_set_aside = xfs_alloc_set_aside(mp); + mp->m_ag_max_usable = xfs_alloc_ag_max_usable(mp); } /* diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index e9d2851..4b5df98 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -2977,7 +2977,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), */ if (!logsize) { logblocks = MIN(logblocks, - XFS_ALLOC_AG_MAX_USABLE(mp)); + xfs_alloc_ag_max_usable(mp)); /* revalidate the log size is valid if we changed it */ validate_log_size(logblocks, blocklog, min_logblocks); From darrick.wong@oracle.com Thu Jun 16 20:34:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 55654810B for ; Thu, 16 Jun 2016 20:34:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 25CEC304039 for ; Thu, 16 Jun 2016 18:34:42 -0700 (PDT) X-ASG-Debug-ID: 1466127278-04cb6c542757ec0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id YbmrWiU5qiW247FU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:39 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1YYMo016557 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:34 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1YXua003023 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:33 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1YXb2032479; Fri, 17 Jun 2016 01:34:33 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:32 -0700 Subject: [PATCH 036/145] xfs: add rmap btree operations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 036/145] xfs: add rmap btree operations To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:34:31 -0700 Message-ID: <146612727120.16048.13165169801894764616.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127279 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13572 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Implement the generic btree operations needed to manipulate rmap btree blocks. This is very similar to the per-ag freespace btree implementation, and uses the AGFL for allocation and freeing of blocks. Adapt the rmap btree to store owner offsets within each rmap record, and to handle the primary key being redefined as the tuple [agblk, owner, offset]. The expansion of the primary key is crucial to allowing multiple owners per extent. [darrick: adapt the btree ops to deal with offsets] [darrick: remove init_rec_from_key] [darrick: move unwritten bit to rm_offset] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- include/xfs_trace.h | 2 libxfs/xfs_btree.h | 1 libxfs/xfs_rmap.c | 96 +++++++++++++++++++ libxfs/xfs_rmap_btree.c | 243 +++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.h | 9 ++ 5 files changed, 351 insertions(+) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index b4174a3..af3f68b 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -192,6 +192,8 @@ #define trace_xfs_rmap_alloc_extent_error(...) ((void) 0) #define trace_xfs_rmap_alloc_extent_done(...) ((void) 0) #define trace_xfs_rmap_free_extent_done(...) ((void) 0) +#define trace_xfs_rmapbt_free_block(...) ((void) 0) +#define trace_xfs_rmapbt_alloc_block(...) ((void) 0) /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 90ea2a7..9963c48 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -216,6 +216,7 @@ union xfs_btree_irec { xfs_alloc_rec_incore_t a; xfs_bmbt_irec_t b; xfs_inobt_rec_incore_t i; + struct xfs_rmap_irec r; }; /* diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 31c6336..5034fd3 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -35,6 +35,102 @@ #include "xfs_trans_space.h" #include "xfs_trace.h" +/* + * Lookup the first record less than or equal to [bno, len, owner, offset] + * in the btree given by cur. + */ +int +xfs_rmap_lookup_le( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags, + int *stat) +{ + cur->bc_rec.r.rm_startblock = bno; + cur->bc_rec.r.rm_blockcount = len; + cur->bc_rec.r.rm_owner = owner; + cur->bc_rec.r.rm_offset = offset; + cur->bc_rec.r.rm_flags = flags; + return xfs_btree_lookup(cur, XFS_LOOKUP_LE, stat); +} + +/* + * Lookup the record exactly matching [bno, len, owner, offset] + * in the btree given by cur. + */ +int +xfs_rmap_lookup_eq( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags, + int *stat) +{ + cur->bc_rec.r.rm_startblock = bno; + cur->bc_rec.r.rm_blockcount = len; + cur->bc_rec.r.rm_owner = owner; + cur->bc_rec.r.rm_offset = offset; + cur->bc_rec.r.rm_flags = flags; + return xfs_btree_lookup(cur, XFS_LOOKUP_EQ, stat); +} + +/* + * Update the record referred to by cur to the value given + * by [bno, len, owner, offset]. + * This either works (return 0) or gets an EFSCORRUPTED error. + */ +STATIC int +xfs_rmap_update( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *irec) +{ + union xfs_btree_rec rec; + + rec.rmap.rm_startblock = cpu_to_be32(irec->rm_startblock); + rec.rmap.rm_blockcount = cpu_to_be32(irec->rm_blockcount); + rec.rmap.rm_owner = cpu_to_be64(irec->rm_owner); + rec.rmap.rm_offset = cpu_to_be64( + xfs_rmap_irec_offset_pack(irec)); + return xfs_btree_update(cur, &rec); +} + +static int +xfs_rmapbt_btrec_to_irec( + union xfs_btree_rec *rec, + struct xfs_rmap_irec *irec) +{ + irec->rm_flags = 0; + irec->rm_startblock = be32_to_cpu(rec->rmap.rm_startblock); + irec->rm_blockcount = be32_to_cpu(rec->rmap.rm_blockcount); + irec->rm_owner = be64_to_cpu(rec->rmap.rm_owner); + return xfs_rmap_irec_offset_unpack(be64_to_cpu(rec->rmap.rm_offset), + irec); +} + +/* + * Get the data from the pointed-to record. + */ +int +xfs_rmap_get_rec( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *irec, + int *stat) +{ + union xfs_btree_rec *rec; + int error; + + error = xfs_btree_get_rec(cur, &rec, stat); + if (error || !*stat) + return error; + + return xfs_rmapbt_btrec_to_irec(rec, irec); +} + int xfs_rmap_free( struct xfs_trans *tp, diff --git a/libxfs/xfs_rmap_btree.c b/libxfs/xfs_rmap_btree.c index 02636f6..c8fd99e 100644 --- a/libxfs/xfs_rmap_btree.c +++ b/libxfs/xfs_rmap_btree.c @@ -33,6 +33,31 @@ #include "xfs_trace.h" #include "xfs_cksum.h" +/* + * Reverse map btree. + * + * This is a per-ag tree used to track the owner(s) of a given extent. With + * reflink it is possible for there to be multiple owners, which is a departure + * from classic XFS. Owner records for data extents are inserted when the + * extent is mapped and removed when an extent is unmapped. Owner records for + * all other block types (i.e. metadata) are inserted when an extent is + * allocated and removed when an extent is freed. There can only be one owner + * of a metadata extent, usually an inode or some other metadata structure like + * an AG btree. + * + * The rmap btree is part of the free space management, so blocks for the tree + * are sourced from the agfl. Hence we need transaction reservation support for + * this tree so that the freelist is always large enough. This also impacts on + * the minimum space we need to leave free in the AG. + * + * The tree is ordered by [ag block, owner, offset]. This is a large key size, + * but it is the only way to enforce unique keys when a block can be owned by + * multiple files at any offset. There's no need to order/search by extent + * size for online updating/management of the tree. It is intended that most + * reverse lookups will be to find the owner(s) of a particular block, or to + * try to recover tree and file data from corrupt primary metadata. + */ + static struct xfs_btree_cur * xfs_rmapbt_dup_cursor( struct xfs_btree_cur *cur) @@ -41,6 +66,173 @@ xfs_rmapbt_dup_cursor( cur->bc_private.a.agbp, cur->bc_private.a.agno); } +STATIC void +xfs_rmapbt_set_root( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr, + int inc) +{ + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + xfs_agnumber_t seqno = be32_to_cpu(agf->agf_seqno); + int btnum = cur->bc_btnum; + struct xfs_perag *pag = xfs_perag_get(cur->bc_mp, seqno); + + ASSERT(ptr->s != 0); + + agf->agf_roots[btnum] = ptr->s; + be32_add_cpu(&agf->agf_levels[btnum], inc); + pag->pagf_levels[btnum] += inc; + xfs_perag_put(pag); + + xfs_alloc_log_agf(cur->bc_tp, agbp, XFS_AGF_ROOTS | XFS_AGF_LEVELS); +} + +STATIC int +xfs_rmapbt_alloc_block( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *start, + union xfs_btree_ptr *new, + int *stat) +{ + int error; + xfs_agblock_t bno; + + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); + + /* Allocate the new block from the freelist. If we can't, give up. */ + error = xfs_alloc_get_freelist(cur->bc_tp, cur->bc_private.a.agbp, + &bno, 1); + if (error) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); + return error; + } + + trace_xfs_rmapbt_alloc_block(cur->bc_mp, cur->bc_private.a.agno, + bno, 1); + if (bno == NULLAGBLOCK) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + *stat = 0; + return 0; + } + + xfs_extent_busy_reuse(cur->bc_mp, cur->bc_private.a.agno, bno, 1, + false); + + xfs_trans_agbtree_delta(cur->bc_tp, 1); + new->s = cpu_to_be32(bno); + + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + *stat = 1; + return 0; +} + +STATIC int +xfs_rmapbt_free_block( + struct xfs_btree_cur *cur, + struct xfs_buf *bp) +{ + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + xfs_agblock_t bno; + int error; + + bno = xfs_daddr_to_agbno(cur->bc_mp, XFS_BUF_ADDR(bp)); + trace_xfs_rmapbt_free_block(cur->bc_mp, cur->bc_private.a.agno, + bno, 1); + error = xfs_alloc_put_freelist(cur->bc_tp, agbp, NULL, bno, 1); + if (error) + return error; + + xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1, + XFS_EXTENT_BUSY_SKIP_DISCARD); + xfs_trans_agbtree_delta(cur->bc_tp, -1); + + xfs_trans_binval(cur->bc_tp, bp); + return 0; +} + +STATIC int +xfs_rmapbt_get_minrecs( + struct xfs_btree_cur *cur, + int level) +{ + return cur->bc_mp->m_rmap_mnr[level != 0]; +} + +STATIC int +xfs_rmapbt_get_maxrecs( + struct xfs_btree_cur *cur, + int level) +{ + return cur->bc_mp->m_rmap_mxr[level != 0]; +} + +STATIC void +xfs_rmapbt_init_key_from_rec( + union xfs_btree_key *key, + union xfs_btree_rec *rec) +{ + key->rmap.rm_startblock = rec->rmap.rm_startblock; + key->rmap.rm_owner = rec->rmap.rm_owner; + key->rmap.rm_offset = rec->rmap.rm_offset; +} + +STATIC void +xfs_rmapbt_init_rec_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_rec *rec) +{ + rec->rmap.rm_startblock = cpu_to_be32(cur->bc_rec.r.rm_startblock); + rec->rmap.rm_blockcount = cpu_to_be32(cur->bc_rec.r.rm_blockcount); + rec->rmap.rm_owner = cpu_to_be64(cur->bc_rec.r.rm_owner); + rec->rmap.rm_offset = cpu_to_be64( + xfs_rmap_irec_offset_pack(&cur->bc_rec.r)); +} + +STATIC void +xfs_rmapbt_init_ptr_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr) +{ + struct xfs_agf *agf = XFS_BUF_TO_AGF(cur->bc_private.a.agbp); + + ASSERT(cur->bc_private.a.agno == be32_to_cpu(agf->agf_seqno)); + ASSERT(agf->agf_roots[cur->bc_btnum] != 0); + + ptr->s = agf->agf_roots[cur->bc_btnum]; +} + +STATIC __int64_t +xfs_rmapbt_key_diff( + struct xfs_btree_cur *cur, + union xfs_btree_key *key) +{ + struct xfs_rmap_irec *rec = &cur->bc_rec.r; + struct xfs_rmap_key *kp = &key->rmap; + __u64 x, y; + __int64_t d; + + d = (__int64_t)be32_to_cpu(kp->rm_startblock) - rec->rm_startblock; + if (d) + return d; + + x = be64_to_cpu(kp->rm_owner); + y = rec->rm_owner; + if (x > y) + return 1; + else if (y > x) + return -1; + + x = XFS_RMAP_OFF(be64_to_cpu(kp->rm_offset)); + y = rec->rm_offset; + if (x > y) + return 1; + else if (y > x) + return -1; + return 0; +} + static bool xfs_rmapbt_verify( struct xfs_buf *bp) @@ -115,12 +307,63 @@ const struct xfs_buf_ops xfs_rmapbt_buf_ops = { .verify_write = xfs_rmapbt_write_verify, }; +#if defined(DEBUG) || defined(XFS_WARN) +STATIC int +xfs_rmapbt_keys_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + if (be32_to_cpu(k1->rmap.rm_startblock) < + be32_to_cpu(k2->rmap.rm_startblock)) + return 1; + if (be64_to_cpu(k1->rmap.rm_owner) < + be64_to_cpu(k2->rmap.rm_owner)) + return 1; + if (XFS_RMAP_OFF(be64_to_cpu(k1->rmap.rm_offset)) <= + XFS_RMAP_OFF(be64_to_cpu(k2->rmap.rm_offset))) + return 1; + return 0; +} + +STATIC int +xfs_rmapbt_recs_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_rec *r1, + union xfs_btree_rec *r2) +{ + if (be32_to_cpu(r1->rmap.rm_startblock) < + be32_to_cpu(r2->rmap.rm_startblock)) + return 1; + if (XFS_RMAP_OFF(be64_to_cpu(r1->rmap.rm_offset)) < + XFS_RMAP_OFF(be64_to_cpu(r2->rmap.rm_offset))) + return 1; + if (be64_to_cpu(r1->rmap.rm_owner) <= + be64_to_cpu(r2->rmap.rm_owner)) + return 1; + return 0; +} +#endif /* DEBUG */ + static const struct xfs_btree_ops xfs_rmapbt_ops = { .rec_len = sizeof(struct xfs_rmap_rec), .key_len = sizeof(struct xfs_rmap_key), .dup_cursor = xfs_rmapbt_dup_cursor, + .set_root = xfs_rmapbt_set_root, + .alloc_block = xfs_rmapbt_alloc_block, + .free_block = xfs_rmapbt_free_block, + .get_minrecs = xfs_rmapbt_get_minrecs, + .get_maxrecs = xfs_rmapbt_get_maxrecs, + .init_key_from_rec = xfs_rmapbt_init_key_from_rec, + .init_rec_from_cur = xfs_rmapbt_init_rec_from_cur, + .init_ptr_from_cur = xfs_rmapbt_init_ptr_from_cur, + .key_diff = xfs_rmapbt_key_diff, .buf_ops = &xfs_rmapbt_buf_ops, +#if defined(DEBUG) || defined(XFS_WARN) + .keys_inorder = xfs_rmapbt_keys_inorder, + .recs_inorder = xfs_rmapbt_recs_inorder, +#endif }; /* diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index 462767f..17fa383 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -52,6 +52,15 @@ struct xfs_btree_cur *xfs_rmapbt_init_cursor(struct xfs_mount *mp, int xfs_rmapbt_maxrecs(struct xfs_mount *mp, int blocklen, int leaf); extern void xfs_rmapbt_compute_maxlevels(struct xfs_mount *mp); +int xfs_rmap_lookup_le(struct xfs_btree_cur *cur, xfs_agblock_t bno, + xfs_extlen_t len, uint64_t owner, uint64_t offset, + unsigned int flags, int *stat); +int xfs_rmap_lookup_eq(struct xfs_btree_cur *cur, xfs_agblock_t bno, + xfs_extlen_t len, uint64_t owner, uint64_t offset, + unsigned int flags, int *stat); +int xfs_rmap_get_rec(struct xfs_btree_cur *cur, struct xfs_rmap_irec *irec, + int *stat); + int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, struct xfs_owner_info *oinfo); From darrick.wong@oracle.com Thu Jun 16 20:34:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 593967E54 for ; 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Fri, 17 Jun 2016 01:34:42 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Yd2a010679; Fri, 17 Jun 2016 01:34:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:38 -0700 Subject: [PATCH 037/145] xfs: support overlapping intervals in the rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 037/145] xfs: support overlapping intervals in the rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:34:37 -0700 Message-ID: <146612727752.16048.15487987947678173213.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127287 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4652 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Now that the generic btree code supports overlapping intervals, plug in the rmap btree to this functionality. We will need it to find potential left neighbors in xfs_rmap_{alloc,free} later in the patch set. v2: Fix bit manipulation bug when generating high key offset. v3: Move unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- libxfs/xfs_rmap_btree.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++- libxfs/xfs_rmap_btree.h | 10 ++++++-- 2 files changed, 66 insertions(+), 3 deletions(-) diff --git a/libxfs/xfs_rmap_btree.c b/libxfs/xfs_rmap_btree.c index c8fd99e..b5c3c21 100644 --- a/libxfs/xfs_rmap_btree.c +++ b/libxfs/xfs_rmap_btree.c @@ -179,6 +179,28 @@ xfs_rmapbt_init_key_from_rec( } STATIC void +xfs_rmapbt_init_high_key_from_rec( + union xfs_btree_key *key, + union xfs_btree_rec *rec) +{ + __uint64_t off; + int adj; + + adj = be32_to_cpu(rec->rmap.rm_blockcount) - 1; + + key->rmap.rm_startblock = rec->rmap.rm_startblock; + be32_add_cpu(&key->rmap.rm_startblock, adj); + key->rmap.rm_owner = rec->rmap.rm_owner; + key->rmap.rm_offset = rec->rmap.rm_offset; + if (XFS_RMAP_NON_INODE_OWNER(be64_to_cpu(rec->rmap.rm_owner)) || + XFS_RMAP_IS_BMBT_BLOCK(be64_to_cpu(rec->rmap.rm_offset))) + return; + off = be64_to_cpu(key->rmap.rm_offset); + off = (XFS_RMAP_OFF(off) + adj) | (off & ~XFS_RMAP_OFF_MASK); + key->rmap.rm_offset = cpu_to_be64(off); +} + +STATIC void xfs_rmapbt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -233,6 +255,38 @@ xfs_rmapbt_key_diff( return 0; } +STATIC __int64_t +xfs_rmapbt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + struct xfs_rmap_key *kp1 = &k1->rmap; + struct xfs_rmap_key *kp2 = &k2->rmap; + __int64_t d; + __u64 x, y; + + d = (__int64_t)be32_to_cpu(kp2->rm_startblock) - + be32_to_cpu(kp1->rm_startblock); + if (d) + return d; + + x = be64_to_cpu(kp2->rm_owner); + y = be64_to_cpu(kp1->rm_owner); + if (x > y) + return 1; + else if (y > x) + return -1; + + x = XFS_RMAP_OFF(be64_to_cpu(kp2->rm_offset)); + y = XFS_RMAP_OFF(be64_to_cpu(kp1->rm_offset)); + if (x > y) + return 1; + else if (y > x) + return -1; + return 0; +} + static bool xfs_rmapbt_verify( struct xfs_buf *bp) @@ -348,6 +402,7 @@ xfs_rmapbt_recs_inorder( static const struct xfs_btree_ops xfs_rmapbt_ops = { .rec_len = sizeof(struct xfs_rmap_rec), .key_len = sizeof(struct xfs_rmap_key), + .flags = XFS_BTREE_OPS_OVERLAPPING, .dup_cursor = xfs_rmapbt_dup_cursor, .set_root = xfs_rmapbt_set_root, @@ -356,10 +411,12 @@ static const struct xfs_btree_ops xfs_rmapbt_ops = { .get_minrecs = xfs_rmapbt_get_minrecs, .get_maxrecs = xfs_rmapbt_get_maxrecs, .init_key_from_rec = xfs_rmapbt_init_key_from_rec, + .init_high_key_from_rec = xfs_rmapbt_init_high_key_from_rec, .init_rec_from_cur = xfs_rmapbt_init_rec_from_cur, .init_ptr_from_cur = xfs_rmapbt_init_ptr_from_cur, .key_diff = xfs_rmapbt_key_diff, .buf_ops = &xfs_rmapbt_buf_ops, + .diff_two_keys = xfs_rmapbt_diff_two_keys, #if defined(DEBUG) || defined(XFS_WARN) .keys_inorder = xfs_rmapbt_keys_inorder, .recs_inorder = xfs_rmapbt_recs_inorder, @@ -408,7 +465,7 @@ xfs_rmapbt_maxrecs( if (leaf) return blocklen / sizeof(struct xfs_rmap_rec); return blocklen / - (sizeof(struct xfs_rmap_key) + sizeof(xfs_rmap_ptr_t)); + (2 * sizeof(struct xfs_rmap_key) + sizeof(xfs_rmap_ptr_t)); } /* Compute the maximum height of an rmap btree. */ diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index 17fa383..796071c 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -38,12 +38,18 @@ struct xfs_mount; #define XFS_RMAP_KEY_ADDR(block, index) \ ((struct xfs_rmap_key *) \ ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ - ((index) - 1) * sizeof(struct xfs_rmap_key))) + ((index) - 1) * 2 * sizeof(struct xfs_rmap_key))) + +#define XFS_RMAP_HIGH_KEY_ADDR(block, index) \ + ((struct xfs_rmap_key *) \ + ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ + sizeof(struct xfs_rmap_key) + \ + ((index) - 1) * 2 * sizeof(struct xfs_rmap_key))) #define XFS_RMAP_PTR_ADDR(block, index, maxrecs) \ ((xfs_rmap_ptr_t *) \ ((char *)(block) + XFS_RMAP_BLOCK_LEN + \ - (maxrecs) * sizeof(struct xfs_rmap_key) + \ + (maxrecs) * 2 * sizeof(struct xfs_rmap_key) + \ ((index) - 1) * sizeof(xfs_rmap_ptr_t))) struct xfs_btree_cur *xfs_rmapbt_init_cursor(struct xfs_mount *mp, From darrick.wong@oracle.com Thu Jun 16 20:34:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 289E68157 for ; Thu, 16 Jun 2016 20:34:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 95B3DAC001 for ; Thu, 16 Jun 2016 18:34:52 -0700 (PDT) X-ASG-Debug-ID: 1466127290-04cbb01fee6a0c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id L6TVVSnXKLhZ6kHB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:50 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Yjtt003776 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:46 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Yjdr030938 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:45 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1YjBu032586; Fri, 17 Jun 2016 01:34:45 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:45 -0700 Subject: [PATCH 038/145] xfs: teach rmapbt to support interval queries From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 038/145] xfs: teach rmapbt to support interval queries To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:34:43 -0700 Message-ID: <146612728370.16048.5124604381084390901.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127290 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2465 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Now that the generic btree code supports querying all records within a range of keys, use that functionality to allow us to ask for all the extents mapped to a range of physical blocks. v2: Move unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- libxfs/xfs_rmap.c | 43 +++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.h | 9 +++++++++ 2 files changed, 52 insertions(+) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 5034fd3..390ddde 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -182,3 +182,46 @@ out_error: trace_xfs_rmap_alloc_extent_error(mp, agno, bno, len, false, oinfo); return error; } + +struct xfs_rmapbt_query_range_info { + xfs_rmapbt_query_range_fn fn; + void *priv; +}; + +/* Format btree record and pass to our callback. */ +STATIC int +xfs_rmapbt_query_range_helper( + struct xfs_btree_cur *cur, + union xfs_btree_rec *rec, + void *priv) +{ + struct xfs_rmapbt_query_range_info *query = priv; + struct xfs_rmap_irec irec; + int error; + + error = xfs_rmapbt_btrec_to_irec(rec, &irec); + if (error) + return error; + return query->fn(cur, &irec, query->priv); +} + +/* Find all rmaps between two keys. */ +int +xfs_rmapbt_query_range( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *low_rec, + struct xfs_rmap_irec *high_rec, + xfs_rmapbt_query_range_fn fn, + void *priv) +{ + union xfs_btree_irec low_brec; + union xfs_btree_irec high_brec; + struct xfs_rmapbt_query_range_info query; + + low_brec.r = *low_rec; + high_brec.r = *high_rec; + query.priv = priv; + query.fn = fn; + return xfs_btree_query_range(cur, &low_brec, &high_brec, + xfs_rmapbt_query_range_helper, &query); +} diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index 796071c..e926c6e 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -74,4 +74,13 @@ int xfs_rmap_free(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, struct xfs_owner_info *oinfo); +typedef int (*xfs_rmapbt_query_range_fn)( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv); + +int xfs_rmapbt_query_range(struct xfs_btree_cur *cur, + struct xfs_rmap_irec *low_rec, struct xfs_rmap_irec *high_rec, + xfs_rmapbt_query_range_fn fn, void *priv); + #endif /* __XFS_RMAP_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:34:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D49628161 for ; Thu, 16 Jun 2016 20:34:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 923648F804C for ; Thu, 16 Jun 2016 18:34:59 -0700 (PDT) X-ASG-Debug-ID: 1466127296-04bdf01e1396120001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id CCNwHTNcVs4jFb2Z (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:34:57 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Yq2b003878 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:52 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1YqBq003522 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:52 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1YpWA032601; Fri, 17 Jun 2016 01:34:51 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:51 -0700 Subject: [PATCH 039/145] xfs: add an extent to the rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 039/145] xfs: add an extent to the rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:34:49 -0700 Message-ID: <146612728981.16048.1586030726685850460.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127297 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10055 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Now all the btree, free space and transaction infrastructure is in place, we can finally add the code to insert reverse mappings to the rmap btree. Freeing will be done in a separate patch, so just the addition operation can be focussed on here. v2: Update alloc function to handle non-shared file data. Isolate the part that makes changes from the part that initializes the rmap cursor; this will be useful for deferred updates. [darrick: handle owner offsets when adding rmaps] [dchinner: remove remaining debug printk statements] [darrick: move unwritten bit to rm_offset] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- include/xfs_trace.h | 9 ++ libxfs/xfs_rmap.c | 225 ++++++++++++++++++++++++++++++++++++++++++++++- libxfs/xfs_rmap_btree.h | 1 3 files changed, 230 insertions(+), 5 deletions(-) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index af3f68b..45b5284 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -194,6 +194,15 @@ #define trace_xfs_rmap_free_extent_done(...) ((void) 0) #define trace_xfs_rmapbt_free_block(...) ((void) 0) #define trace_xfs_rmapbt_alloc_block(...) ((void) 0) +#define trace_xfs_rmapbt_update(...) ((void) 0) +#define trace_xfs_rmapbt_update_error(...) ((void) 0) +#define trace_xfs_rmapbt_insert(...) ((void) 0) +#define trace_xfs_rmapbt_insert_error(...) ((void) 0) +#define trace_xfs_rmapbt_delete(...) ((void) 0) +#define trace_xfs_rmapbt_delete_error(...) ((void) 0) + +#define trace_xfs_rmap_lookup_le_range_result(...) ((void) 0) +#define trace_xfs_rmap_map_gtrec(...) ((void) 0) /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 390ddde..fc3522b 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -157,6 +157,218 @@ out_error: return error; } +/* + * A mergeable rmap should have the same owner, cannot be unwritten, and + * must be a bmbt rmap if we're asking about a bmbt rmap. + */ +static bool +xfs_rmap_is_mergeable( + struct xfs_rmap_irec *irec, + uint64_t owner, + uint64_t offset, + xfs_extlen_t len, + unsigned int flags) +{ + if (irec->rm_owner == XFS_RMAP_OWN_NULL) + return false; + if (irec->rm_owner != owner) + return false; + if ((flags & XFS_RMAP_UNWRITTEN) ^ + (irec->rm_flags & XFS_RMAP_UNWRITTEN)) + return false; + if ((flags & XFS_RMAP_ATTR_FORK) ^ + (irec->rm_flags & XFS_RMAP_ATTR_FORK)) + return false; + if ((flags & XFS_RMAP_BMBT_BLOCK) ^ + (irec->rm_flags & XFS_RMAP_BMBT_BLOCK)) + return false; + return true; +} + +/* + * When we allocate a new block, the first thing we do is add a reference to + * the extent in the rmap btree. This takes the form of a [agbno, length, + * owner, offset] record. Flags are encoded in the high bits of the offset + * field. + */ +STATIC int +__xfs_rmap_alloc( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec ltrec; + struct xfs_rmap_irec gtrec; + int have_gt; + int have_lt; + int error = 0; + int i; + uint64_t owner; + uint64_t offset; + unsigned int flags = 0; + bool ignore_off; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + ignore_off = XFS_RMAP_NON_INODE_OWNER(owner) || + (flags & XFS_RMAP_BMBT_BLOCK); + if (unwritten) + flags |= XFS_RMAP_UNWRITTEN; + trace_xfs_rmap_alloc_extent(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * For the initial lookup, look for and exact match or the left-adjacent + * record for our insertion point. This will also give us the record for + * start block contiguity tests. + */ + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, flags, + &have_lt); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, have_lt == 1, out_error); + + error = xfs_rmap_get_rec(cur, <rec, &have_lt); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, have_lt == 1, out_error); + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, + cur->bc_private.a.agno, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + + if (!xfs_rmap_is_mergeable(<rec, owner, offset, len, flags)) + have_lt = 0; + + XFS_WANT_CORRUPTED_GOTO(mp, + have_lt == 0 || + ltrec.rm_startblock + ltrec.rm_blockcount <= bno, out_error); + + /* + * Increment the cursor to see if we have a right-adjacent record to our + * insertion point. This will give us the record for end block + * contiguity tests. + */ + error = xfs_btree_increment(cur, 0, &have_gt); + if (error) + goto out_error; + if (have_gt) { + error = xfs_rmap_get_rec(cur, >rec, &have_gt); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, have_gt == 1, out_error); + XFS_WANT_CORRUPTED_GOTO(mp, bno + len <= gtrec.rm_startblock, + out_error); + trace_xfs_rmap_map_gtrec(cur->bc_mp, + cur->bc_private.a.agno, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + if (!xfs_rmap_is_mergeable(>rec, owner, offset, len, flags)) + have_gt = 0; + } + + /* + * Note: cursor currently points one record to the right of ltrec, even + * if there is no record in the tree to the right. + */ + if (have_lt && + ltrec.rm_startblock + ltrec.rm_blockcount == bno && + (ignore_off || ltrec.rm_offset + ltrec.rm_blockcount == offset)) { + /* + * left edge contiguous, merge into left record. + * + * ltbno ltlen + * orig: |ooooooooo| + * adding: |aaaaaaaaa| + * result: |rrrrrrrrrrrrrrrrrrr| + * bno len + */ + ltrec.rm_blockcount += len; + if (have_gt && + bno + len == gtrec.rm_startblock && + (ignore_off || offset + len == gtrec.rm_offset) && + (unsigned long)ltrec.rm_blockcount + len + + gtrec.rm_blockcount <= XFS_RMAP_LEN_MAX) { + /* + * right edge also contiguous, delete right record + * and merge into left record. + * + * ltbno ltlen gtbno gtlen + * orig: |ooooooooo| |ooooooooo| + * adding: |aaaaaaaaa| + * result: |rrrrrrrrrrrrrrrrrrrrrrrrrrrrr| + */ + ltrec.rm_blockcount += gtrec.rm_blockcount; + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + gtrec.rm_startblock, + gtrec.rm_blockcount, + gtrec.rm_owner, + gtrec.rm_offset, + gtrec.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + } + + /* point the cursor back to the left record and update */ + error = xfs_btree_decrement(cur, 0, &have_gt); + if (error) + goto out_error; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else if (have_gt && + bno + len == gtrec.rm_startblock && + (ignore_off || offset + len == gtrec.rm_offset)) { + /* + * right edge contiguous, merge into right record. + * + * gtbno gtlen + * Orig: |ooooooooo| + * adding: |aaaaaaaaa| + * Result: |rrrrrrrrrrrrrrrrrrr| + * bno len + */ + gtrec.rm_startblock = bno; + gtrec.rm_blockcount += len; + if (!ignore_off) + gtrec.rm_offset = offset; + error = xfs_rmap_update(cur, >rec); + if (error) + goto out_error; + } else { + /* + * no contiguous edge with identical owner, insert + * new record at current cursor position. + */ + cur->bc_rec.r.rm_startblock = bno; + cur->bc_rec.r.rm_blockcount = len; + cur->bc_rec.r.rm_owner = owner; + cur->bc_rec.r.rm_offset = offset; + cur->bc_rec.r.rm_flags = flags; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, len, + owner, offset, flags); + error = xfs_btree_insert(cur, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + } + + trace_xfs_rmap_alloc_extent_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +out_error: + if (error) + trace_xfs_rmap_alloc_extent_error(mp, cur->bc_private.a.agno, + bno, len, unwritten, oinfo); + return error; +} + +/* + * Add a reference to an extent in the rmap btree. + */ int xfs_rmap_alloc( struct xfs_trans *tp, @@ -167,19 +379,22 @@ xfs_rmap_alloc( struct xfs_owner_info *oinfo) { struct xfs_mount *mp = tp->t_mountp; - int error = 0; + struct xfs_btree_cur *cur; + int error; if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) return 0; - trace_xfs_rmap_alloc_extent(mp, agno, bno, len, false, oinfo); - if (1) + cur = xfs_rmapbt_init_cursor(mp, tp, agbp, agno); + error = __xfs_rmap_alloc(cur, bno, len, false, oinfo); + if (error) goto out_error; - trace_xfs_rmap_alloc_extent_done(mp, agno, bno, len, false, oinfo); + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); return 0; out_error: - trace_xfs_rmap_alloc_extent_error(mp, agno, bno, len, false, oinfo); + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); return error; } diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index e926c6e..9d92da5 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -67,6 +67,7 @@ int xfs_rmap_lookup_eq(struct xfs_btree_cur *cur, xfs_agblock_t bno, int xfs_rmap_get_rec(struct xfs_btree_cur *cur, struct xfs_rmap_irec *irec, int *stat); +/* functions for updating the rmapbt for bmbt blocks and AG btree blocks */ int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, struct xfs_owner_info *oinfo); From darrick.wong@oracle.com Thu Jun 16 20:35:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9322D8168 for ; Thu, 16 Jun 2016 20:35:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 16BB6AC001 for ; Thu, 16 Jun 2016 18:35:06 -0700 (PDT) X-ASG-Debug-ID: 1466127303-04cbb01fee6a0f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id vc5lomk4YT0H8PlQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:03 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Ywcl016838 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:34:58 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1YwsG029664 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:34:58 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1YvSf027896; Fri, 17 Jun 2016 01:34:58 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:34:57 -0700 Subject: [PATCH 040/145] xfs: remove an extent from the rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 040/145] xfs: remove an extent from the rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:34:56 -0700 Message-ID: <146612729610.16048.6640772609600442182.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127303 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8987 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Now that we have records in the rmap btree, we need to remove them when extents are freed. This needs to find the relevant record in the btree and remove/trim/split it accordingly. v2: Update the free function to deal with non-shared file data, and isolate the part that does the rmap update from the part that deals with cursors. This will be useful for deferred ops. [darrick.wong@oracle.com: make rmap routines handle the enlarged keyspace] [dchinner: remove remaining unused debug printks] [darrick: fix a bug when growfs in an AG with an rmap ending at EOFS] Signed-off-by: Dave Chinner Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- libxfs/xfs_rmap.c | 220 ++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 215 insertions(+), 5 deletions(-) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index fc3522b..cc82824 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -131,6 +131,212 @@ xfs_rmap_get_rec( return xfs_rmapbt_btrec_to_irec(rec, irec); } +/* + * Find the extent in the rmap btree and remove it. + * + * The record we find should always be an exact match for the extent that we're + * looking for, since we insert them into the btree without modification. + * + * Special Case #1: when growing the filesystem, we "free" an extent when + * growing the last AG. This extent is new space and so it is not tracked as + * used space in the btree. The growfs code will pass in an owner of + * XFS_RMAP_OWN_NULL to indicate that it expected that there is no owner of this + * extent. We verify that - the extent lookup result in a record that does not + * overlap. + * + * Special Case #2: EFIs do not record the owner of the extent, so when + * recovering EFIs from the log we pass in XFS_RMAP_OWN_UNKNOWN to tell the rmap + * btree to ignore the owner (i.e. wildcard match) so we don't trigger + * corruption checks during log recovery. + */ +STATIC int +__xfs_rmap_free( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec ltrec; + uint64_t ltoff; + int error = 0; + int i; + uint64_t owner; + uint64_t offset; + unsigned int flags; + bool ignore_off; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + ignore_off = XFS_RMAP_NON_INODE_OWNER(owner) || + (flags & XFS_RMAP_BMBT_BLOCK); + if (unwritten) + flags |= XFS_RMAP_UNWRITTEN; + trace_xfs_rmap_free_extent(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * We should always have a left record because there's a static record + * for the AG headers at rm_startblock == 0 created by mkfs/growfs that + * will not ever be removed from the tree. + */ + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, flags, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + error = xfs_rmap_get_rec(cur, <rec, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, + cur->bc_private.a.agno, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + ltoff = ltrec.rm_offset; + + /* + * For growfs, the incoming extent must be beyond the left record we + * just found as it is new space and won't be used by anyone. This is + * just a corruption check as we don't actually do anything with this + * extent. Note that we need to use >= instead of > because it might + * be the case that the "left" extent goes all the way to EOFS. + */ + if (owner == XFS_RMAP_OWN_NULL) { + XFS_WANT_CORRUPTED_GOTO(mp, bno >= ltrec.rm_startblock + + ltrec.rm_blockcount, out_error); + goto out_done; + } + + /* Make sure the unwritten flag matches. */ + XFS_WANT_CORRUPTED_GOTO(mp, (flags & XFS_RMAP_UNWRITTEN) == + (ltrec.rm_flags & XFS_RMAP_UNWRITTEN), out_error); + + /* Make sure the extent we found covers the entire freeing range. */ + XFS_WANT_CORRUPTED_GOTO(mp, ltrec.rm_startblock <= bno && + ltrec.rm_startblock + ltrec.rm_blockcount >= + bno + len, out_error); + + /* Make sure the owner matches what we expect to find in the tree. */ + XFS_WANT_CORRUPTED_GOTO(mp, owner == ltrec.rm_owner || + XFS_RMAP_NON_INODE_OWNER(owner), out_error); + + /* Check the offset, if necessary. */ + if (!XFS_RMAP_NON_INODE_OWNER(owner)) { + if (flags & XFS_RMAP_BMBT_BLOCK) { + XFS_WANT_CORRUPTED_GOTO(mp, + ltrec.rm_flags & XFS_RMAP_BMBT_BLOCK, + out_error); + } else { + XFS_WANT_CORRUPTED_GOTO(mp, + ltrec.rm_offset <= offset, out_error); + XFS_WANT_CORRUPTED_GOTO(mp, + ltoff + ltrec.rm_blockcount >= offset + len, + out_error); + } + } + + if (ltrec.rm_startblock == bno && ltrec.rm_blockcount == len) { + /* exact match, simply remove the record from rmap tree */ + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + ltrec.rm_startblock, ltrec.rm_blockcount, + ltrec.rm_owner, ltrec.rm_offset, + ltrec.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + } else if (ltrec.rm_startblock == bno) { + /* + * overlap left hand side of extent: move the start, trim the + * length and update the current record. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrrrrrrr| + * bno len + */ + ltrec.rm_startblock += len; + ltrec.rm_blockcount -= len; + if (!ignore_off) + ltrec.rm_offset += len; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else if (ltrec.rm_startblock + ltrec.rm_blockcount == bno + len) { + /* + * overlap right hand side of extent: trim the length and update + * the current record. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrrrrrrr| + * bno len + */ + ltrec.rm_blockcount -= len; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else { + + /* + * overlap middle of extent: trim the length of the existing + * record to the length of the new left-extent size, increment + * the insertion position so we can insert a new record + * containing the remaining right-extent space. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrr| |rrrr| + * bno len + */ + xfs_extlen_t orig_len = ltrec.rm_blockcount; + + ltrec.rm_blockcount = bno - ltrec.rm_startblock; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto out_error; + + cur->bc_rec.r.rm_startblock = bno + len; + cur->bc_rec.r.rm_blockcount = orig_len - len - + ltrec.rm_blockcount; + cur->bc_rec.r.rm_owner = ltrec.rm_owner; + if (ignore_off) + cur->bc_rec.r.rm_offset = 0; + else + cur->bc_rec.r.rm_offset = offset + len; + cur->bc_rec.r.rm_flags = flags; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, + cur->bc_rec.r.rm_startblock, + cur->bc_rec.r.rm_blockcount, + cur->bc_rec.r.rm_owner, + cur->bc_rec.r.rm_offset, + cur->bc_rec.r.rm_flags); + error = xfs_btree_insert(cur, &i); + if (error) + goto out_error; + } + +out_done: + trace_xfs_rmap_free_extent_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +out_error: + if (error) + trace_xfs_rmap_free_extent_error(mp, cur->bc_private.a.agno, + bno, len, unwritten, oinfo); + return error; +} + +/* + * Remove a reference to an extent in the rmap btree. + */ int xfs_rmap_free( struct xfs_trans *tp, @@ -141,19 +347,23 @@ xfs_rmap_free( struct xfs_owner_info *oinfo) { struct xfs_mount *mp = tp->t_mountp; - int error = 0; + struct xfs_btree_cur *cur; + int error; if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) return 0; - trace_xfs_rmap_free_extent(mp, agno, bno, len, false, oinfo); - if (1) + cur = xfs_rmapbt_init_cursor(mp, tp, agbp, agno); + + error = __xfs_rmap_free(cur, bno, len, false, oinfo); + if (error) goto out_error; - trace_xfs_rmap_free_extent_done(mp, agno, bno, len, false, oinfo); + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); return 0; out_error: - trace_xfs_rmap_free_extent_error(mp, agno, bno, len, false, oinfo); + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); return error; } From darrick.wong@oracle.com Thu Jun 16 20:35:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5E2838128 for ; Thu, 16 Jun 2016 20:35:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0F98930404E for ; Thu, 16 Jun 2016 18:35:13 -0700 (PDT) X-ASG-Debug-ID: 1466127309-04bdf01e1096140001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 008VChNq4SBPYjq8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Z5v1017130 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:35:05 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1Z5F3029830 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:35:05 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1Z4EC000311; Fri, 17 Jun 2016 01:35:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:04 -0700 Subject: [PATCH 041/145] xfs: convert unwritten status of reverse mappings From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 041/145] xfs: convert unwritten status of reverse mappings To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:35:02 -0700 Message-ID: <146612730237.16048.4507175801680173913.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127309 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14811 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a function to convert an unwritten extent to a real one and vice versa. v2: Move unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 6 + libxfs/xfs_rmap.c | 442 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 448 insertions(+) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 45b5284..55df410 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -203,6 +203,12 @@ #define trace_xfs_rmap_lookup_le_range_result(...) ((void) 0) #define trace_xfs_rmap_map_gtrec(...) ((void) 0) +#define trace_xfs_rmap_convert(...) ((void) 0) +#define trace_xfs_rmap_convert_gtrec(...) ((void) 0) +#define trace_xfs_rmap_convert_state(...) ((void) 0) +#define trace_xfs_rmap_convert_done(...) ((void) 0) +#define trace_xfs_rmap_convert_error(...) ((void) 0) +#define trace_xfs_rmap_find_left_neighbor_result(...) ((void) 0) /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index cc82824..1e25285 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -608,6 +608,448 @@ out_error: return error; } +#define RMAP_LEFT_CONTIG (1 << 0) +#define RMAP_RIGHT_CONTIG (1 << 1) +#define RMAP_LEFT_FILLING (1 << 2) +#define RMAP_RIGHT_FILLING (1 << 3) +#define RMAP_LEFT_VALID (1 << 6) +#define RMAP_RIGHT_VALID (1 << 7) + +#define LEFT r[0] +#define RIGHT r[1] +#define PREV r[2] +#define NEW r[3] + +/* + * Convert an unwritten extent to a real extent or vice versa. + * Does not handle overlapping extents. + */ +STATIC int +__xfs_rmap_convert( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec r[4]; /* neighbor extent entries */ + /* left is 0, right is 1, prev is 2 */ + /* new is 3 */ + uint64_t owner; + uint64_t offset; + uint64_t new_endoff; + unsigned int oldext; + unsigned int newext; + unsigned int flags = 0; + int i; + int state = 0; + int error; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + ASSERT(!(XFS_RMAP_NON_INODE_OWNER(owner) || + (flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK)))); + oldext = unwritten ? XFS_RMAP_UNWRITTEN : 0; + new_endoff = offset + len; + trace_xfs_rmap_convert(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * For the initial lookup, look for and exact match or the left-adjacent + * record for our insertion point. This will also give us the record for + * start block contiguity tests. + */ + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, oldext, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + + error = xfs_rmap_get_rec(cur, &PREV, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, + cur->bc_private.a.agno, PREV.rm_startblock, + PREV.rm_blockcount, PREV.rm_owner, + PREV.rm_offset, PREV.rm_flags); + + ASSERT(PREV.rm_offset <= offset); + ASSERT(PREV.rm_offset + PREV.rm_blockcount >= new_endoff); + ASSERT((PREV.rm_flags & XFS_RMAP_UNWRITTEN) == oldext); + newext = ~oldext & XFS_RMAP_UNWRITTEN; + + /* + * Set flags determining what part of the previous oldext allocation + * extent is being replaced by a newext allocation. + */ + if (PREV.rm_offset == offset) + state |= RMAP_LEFT_FILLING; + if (PREV.rm_offset + PREV.rm_blockcount == new_endoff) + state |= RMAP_RIGHT_FILLING; + + /* + * Decrement the cursor to see if we have a left-adjacent record to our + * insertion point. This will give us the record for end block + * contiguity tests. + */ + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + if (i) { + state |= RMAP_LEFT_VALID; + error = xfs_rmap_get_rec(cur, &LEFT, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + XFS_WANT_CORRUPTED_GOTO(mp, + LEFT.rm_startblock + LEFT.rm_blockcount <= bno, + done); + trace_xfs_rmap_find_left_neighbor_result(cur->bc_mp, + cur->bc_private.a.agno, LEFT.rm_startblock, + LEFT.rm_blockcount, LEFT.rm_owner, + LEFT.rm_offset, LEFT.rm_flags); + if (LEFT.rm_startblock + LEFT.rm_blockcount == bno && + LEFT.rm_offset + LEFT.rm_blockcount == offset && + xfs_rmap_is_mergeable(&LEFT, owner, offset, len, newext)) + state |= RMAP_LEFT_CONTIG; + } + + /* + * Increment the cursor to see if we have a right-adjacent record to our + * insertion point. This will give us the record for end block + * contiguity tests. + */ + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + if (i) { + state |= RMAP_RIGHT_VALID; + error = xfs_rmap_get_rec(cur, &RIGHT, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + XFS_WANT_CORRUPTED_GOTO(mp, bno + len <= RIGHT.rm_startblock, + done); + trace_xfs_rmap_convert_gtrec(cur->bc_mp, + cur->bc_private.a.agno, RIGHT.rm_startblock, + RIGHT.rm_blockcount, RIGHT.rm_owner, + RIGHT.rm_offset, RIGHT.rm_flags); + if (bno + len == RIGHT.rm_startblock && + offset + len == RIGHT.rm_offset && + xfs_rmap_is_mergeable(&RIGHT, owner, offset, len, newext)) + state |= RMAP_RIGHT_CONTIG; + } + + /* check that left + prev + right is not too long */ + if ((state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) == + (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG) && + (unsigned long)LEFT.rm_blockcount + len + + RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX) + state &= ~RMAP_RIGHT_CONTIG; + + trace_xfs_rmap_convert_state(mp, cur->bc_private.a.agno, state, + _RET_IP_); + + /* reset the cursor back to PREV */ + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, oldext, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + + /* + * Switch out based on the FILLING and CONTIG state bits. + */ + switch (state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) { + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The left and right neighbors are both contiguous with new. + */ + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + RIGHT.rm_startblock, RIGHT.rm_blockcount, + RIGHT.rm_owner, RIGHT.rm_offset, + RIGHT.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + PREV.rm_startblock, PREV.rm_blockcount, + PREV.rm_owner, PREV.rm_offset, + PREV.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW = LEFT; + NEW.rm_blockcount += PREV.rm_blockcount + RIGHT.rm_blockcount; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The left neighbor is contiguous, the right is not. + */ + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + PREV.rm_startblock, PREV.rm_blockcount, + PREV.rm_owner, PREV.rm_offset, + PREV.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW = LEFT; + NEW.rm_blockcount += PREV.rm_blockcount; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The right neighbor is contiguous, the left is not. + */ + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, + RIGHT.rm_startblock, RIGHT.rm_blockcount, + RIGHT.rm_owner, RIGHT.rm_offset, + RIGHT.rm_flags); + error = xfs_btree_delete(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_startblock = bno; + NEW.rm_owner = owner; + NEW.rm_offset = offset; + NEW.rm_blockcount = len + RIGHT.rm_blockcount; + NEW.rm_flags = newext; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING: + /* + * Setting all of a previous oldext extent to newext. + * Neither the left nor right neighbors are contiguous with + * the new one. + */ + NEW = PREV; + NEW.rm_flags = newext; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG: + /* + * Setting the first part of a previous oldext extent to newext. + * The left neighbor is contiguous. + */ + NEW = PREV; + NEW.rm_offset += len; + NEW.rm_startblock += len; + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + error = xfs_btree_decrement(cur, 0, &i); + if (error) + goto done; + NEW = LEFT; + NEW.rm_blockcount += len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING: + /* + * Setting the first part of a previous oldext extent to newext. + * The left neighbor is not contiguous. + */ + NEW = PREV; + NEW.rm_startblock += len; + NEW.rm_offset += len; + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + NEW.rm_startblock = bno; + NEW.rm_owner = owner; + NEW.rm_offset = offset; + NEW.rm_blockcount = len; + NEW.rm_flags = newext; + cur->bc_rec.r = NEW; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, + len, owner, offset, newext); + error = xfs_btree_insert(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + break; + + case RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting the last part of a previous oldext extent to newext. + * The right neighbor is contiguous with the new allocation. + */ + NEW = PREV; + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + error = xfs_btree_increment(cur, 0, &i); + if (error) + goto done; + NEW = RIGHT; + NEW.rm_offset = offset; + NEW.rm_startblock = bno; + NEW.rm_blockcount += len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_RIGHT_FILLING: + /* + * Setting the last part of a previous oldext extent to newext. + * The right neighbor is not contiguous. + */ + NEW = PREV; + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + error = xfs_rmap_lookup_eq(cur, bno, len, owner, offset, + oldext, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 0, done); + NEW.rm_startblock = bno; + NEW.rm_owner = owner; + NEW.rm_offset = offset; + NEW.rm_blockcount = len; + NEW.rm_flags = newext; + cur->bc_rec.r = NEW; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, + len, owner, offset, newext); + error = xfs_btree_insert(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + break; + + case 0: + /* + * Setting the middle part of a previous oldext extent to + * newext. Contiguity is impossible here. + * One extent becomes three extents. + */ + /* new right extent - oldext */ + NEW.rm_startblock = bno + len; + NEW.rm_owner = owner; + NEW.rm_offset = new_endoff; + NEW.rm_blockcount = PREV.rm_offset + PREV.rm_blockcount - + new_endoff; + NEW.rm_flags = PREV.rm_flags; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + /* new left extent - oldext */ + NEW = PREV; + NEW.rm_blockcount = offset - PREV.rm_offset; + cur->bc_rec.r = NEW; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, + NEW.rm_startblock, NEW.rm_blockcount, + NEW.rm_owner, NEW.rm_offset, + NEW.rm_flags); + error = xfs_btree_insert(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + /* + * Reset the cursor to the position of the new extent + * we are about to insert as we can't trust it after + * the previous insert. + */ + error = xfs_rmap_lookup_eq(cur, bno, len, owner, offset, + oldext, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 0, done); + /* new middle extent - newext */ + cur->bc_rec.b.br_state = newext; + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, len, + owner, offset, newext); + error = xfs_btree_insert(cur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + break; + + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_LEFT_FILLING | RMAP_RIGHT_CONTIG: + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: + case RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_LEFT_CONTIG: + case RMAP_RIGHT_CONTIG: + /* + * These cases are all impossible. + */ + ASSERT(0); + } + + trace_xfs_rmap_convert_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +done: + if (error) + trace_xfs_rmap_convert_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +#undef NEW +#undef LEFT +#undef RIGHT +#undef PREV + struct xfs_rmapbt_query_range_info { xfs_rmapbt_query_range_fn fn; void *priv; From darrick.wong@oracle.com Thu Jun 16 20:35:19 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E6D698179 for ; Thu, 16 Jun 2016 20:35:18 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6B7D1AC002 for ; Thu, 16 Jun 2016 18:35:18 -0700 (PDT) X-ASG-Debug-ID: 1466127316-04cb6c542457f00001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id ch2ngX4JFGvdHVqk (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:16 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ZBH5017237 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:12 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZB1Q031724 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:11 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZBgd028035; Fri, 17 Jun 2016 01:35:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:11 -0700 Subject: [PATCH 042/145] xfs: add rmap btree insert and delete helpers From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 042/145] xfs: add rmap btree insert and delete helpers To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:35:09 -0700 Message-ID: <146612730957.16048.16764461721448398257.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127316 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3702 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add a couple of helper functions to encapsulate rmap btree insert and delete operations. Add tracepoints to the update function. Signed-off-by: Darrick J. Wong Reviewed-by: Dave Chinner Signed-off-by: Dave Chinner --- libxfs/xfs_rmap.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++- libxfs/xfs_rmap_btree.h | 3 ++ 2 files changed, 80 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 1e25285..3c13fac 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -90,13 +90,89 @@ xfs_rmap_update( struct xfs_rmap_irec *irec) { union xfs_btree_rec rec; + int error; + + trace_xfs_rmapbt_update(cur->bc_mp, cur->bc_private.a.agno, + irec->rm_startblock, irec->rm_blockcount, + irec->rm_owner, irec->rm_offset, irec->rm_flags); rec.rmap.rm_startblock = cpu_to_be32(irec->rm_startblock); rec.rmap.rm_blockcount = cpu_to_be32(irec->rm_blockcount); rec.rmap.rm_owner = cpu_to_be64(irec->rm_owner); rec.rmap.rm_offset = cpu_to_be64( xfs_rmap_irec_offset_pack(irec)); - return xfs_btree_update(cur, &rec); + error = xfs_btree_update(cur, &rec); + if (error) + trace_xfs_rmapbt_update_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +int +xfs_rmapbt_insert( + struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, + xfs_extlen_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags) +{ + int i; + int error; + + trace_xfs_rmapbt_insert(rcur->bc_mp, rcur->bc_private.a.agno, agbno, + len, owner, offset, flags); + + error = xfs_rmap_lookup_eq(rcur, agbno, len, owner, offset, flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(rcur->bc_mp, i == 0, done); + + rcur->bc_rec.r.rm_startblock = agbno; + rcur->bc_rec.r.rm_blockcount = len; + rcur->bc_rec.r.rm_owner = owner; + rcur->bc_rec.r.rm_offset = offset; + rcur->bc_rec.r.rm_flags = flags; + error = xfs_btree_insert(rcur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(rcur->bc_mp, i == 1, done); +done: + if (error) + trace_xfs_rmapbt_insert_error(rcur->bc_mp, + rcur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +STATIC int +xfs_rmapbt_delete( + struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, + xfs_extlen_t len, + uint64_t owner, + uint64_t offset, + unsigned int flags) +{ + int i; + int error; + + trace_xfs_rmapbt_delete(rcur->bc_mp, rcur->bc_private.a.agno, agbno, + len, owner, offset, flags); + + error = xfs_rmap_lookup_eq(rcur, agbno, len, owner, offset, flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(rcur->bc_mp, i == 1, done); + + error = xfs_btree_delete(rcur, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(rcur->bc_mp, i == 1, done); +done: + if (error) + trace_xfs_rmapbt_delete_error(rcur->bc_mp, + rcur->bc_private.a.agno, error, _RET_IP_); + return error; } static int diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index 9d92da5..6674340 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -64,6 +64,9 @@ int xfs_rmap_lookup_le(struct xfs_btree_cur *cur, xfs_agblock_t bno, int xfs_rmap_lookup_eq(struct xfs_btree_cur *cur, xfs_agblock_t bno, xfs_extlen_t len, uint64_t owner, uint64_t offset, unsigned int flags, int *stat); +int xfs_rmapbt_insert(struct xfs_btree_cur *rcur, xfs_agblock_t agbno, + xfs_extlen_t len, uint64_t owner, uint64_t offset, + unsigned int flags); int xfs_rmap_get_rec(struct xfs_btree_cur *cur, struct xfs_rmap_irec *irec, int *stat); From darrick.wong@oracle.com Thu Jun 16 20:35:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 00DE48181 for ; Thu, 16 Jun 2016 20:35:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C7EFE304048 for ; Thu, 16 Jun 2016 18:35:26 -0700 (PDT) X-ASG-Debug-ID: 1466127324-04cb6c542657f20001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 1CnhPHzuN8W5x95G (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:25 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ZKHV004476 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:20 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZKkG031903 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:20 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZHdT010791; Fri, 17 Jun 2016 01:35:18 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:17 -0700 Subject: [PATCH 043/145] xfs: create helpers for mapping, unmapping, and converting file fork extents From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 043/145] xfs: create helpers for mapping, unmapping, and converting file fork extents To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:35:15 -0700 Message-ID: <146612731576.16048.5963316524847608377.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127325 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1703 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create two helper functions to assist with mapping, unmapping, and converting flag status of extents in a file's data/attr forks. For non-shared files we can use the _alloc, _free, and _convert functions; when reflink comes these functions will be augmented to deal with shared extents. Signed-off-by: Darrick J. Wong --- libxfs/xfs_rmap.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 3c13fac..47f37d7 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -1121,11 +1121,53 @@ done: return error; } +/* + * Convert an unwritten extent to a real extent or vice versa. + */ +STATIC int +xfs_rmap_convert( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + return __xfs_rmap_convert(cur, bno, len, unwritten, oinfo); +} + #undef NEW #undef LEFT #undef RIGHT #undef PREV +/* + * Find an extent in the rmap btree and unmap it. + */ +STATIC int +xfs_rmap_unmap( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + return __xfs_rmap_free(cur, bno, len, unwritten, oinfo); +} + +/* + * Find an extent in the rmap btree and map it. + */ +STATIC int +xfs_rmap_map( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + return __xfs_rmap_alloc(cur, bno, len, unwritten, oinfo); +} + struct xfs_rmapbt_query_range_info { xfs_rmapbt_query_range_fn fn; void *priv; From darrick.wong@oracle.com Thu Jun 16 20:35:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 05E0F8189 for ; Thu, 16 Jun 2016 20:35:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7E54EAC002 for ; Thu, 16 Jun 2016 18:35:31 -0700 (PDT) X-ASG-Debug-ID: 1466127329-04cbb01fee6a130001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Tt2btjvfHf89LtYE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:29 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ZPnc004546 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:25 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZOgO004620 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:25 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1ZO7O000367; Fri, 17 Jun 2016 01:35:24 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:24 -0700 Subject: [PATCH 044/145] xfs: create rmap update intent log items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 044/145] xfs: create rmap update intent log items To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:35:22 -0700 Message-ID: <146612732200.16048.15503614314390802694.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127329 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4816 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create rmap update intent/done log items to record redo information in the log. Because we need to roll transactions between updating the bmbt mapping and updating the reverse mapping, we also have to track the status of the metadata updates that will be recorded in the post-roll transactions, just in case we crash before committing the final transaction. This mechanism enables log recovery to finish what was already started. Signed-off-by: Darrick J. Wong --- libxfs/xfs_log_format.h | 67 ++++++++++++++++++++++++++++++++++++++++++++++- libxfs/xfs_rmap_btree.h | 19 +++++++++++++ 2 files changed, 84 insertions(+), 2 deletions(-) diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h index e5baba3..b9627b7 100644 --- a/libxfs/xfs_log_format.h +++ b/libxfs/xfs_log_format.h @@ -110,7 +110,9 @@ static inline uint xlog_get_cycle(char *ptr) #define XLOG_REG_TYPE_COMMIT 18 #define XLOG_REG_TYPE_TRANSHDR 19 #define XLOG_REG_TYPE_ICREATE 20 -#define XLOG_REG_TYPE_MAX 20 +#define XLOG_REG_TYPE_RUI_FORMAT 21 +#define XLOG_REG_TYPE_RUD_FORMAT 22 +#define XLOG_REG_TYPE_MAX 22 /* * Flags to log operation header @@ -227,6 +229,8 @@ typedef struct xfs_trans_header { #define XFS_LI_DQUOT 0x123d #define XFS_LI_QUOTAOFF 0x123e #define XFS_LI_ICREATE 0x123f +#define XFS_LI_RUI 0x1240 /* rmap update intent */ +#define XFS_LI_RUD 0x1241 #define XFS_LI_TYPE_DESC \ { XFS_LI_EFI, "XFS_LI_EFI" }, \ @@ -236,7 +240,9 @@ typedef struct xfs_trans_header { { XFS_LI_BUF, "XFS_LI_BUF" }, \ { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \ { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }, \ - { XFS_LI_ICREATE, "XFS_LI_ICREATE" } + { XFS_LI_ICREATE, "XFS_LI_ICREATE" }, \ + { XFS_LI_RUI, "XFS_LI_RUI" }, \ + { XFS_LI_RUD, "XFS_LI_RUD" } /* * Inode Log Item Format definitions. @@ -604,6 +610,63 @@ typedef struct xfs_efd_log_format_64 { } xfs_efd_log_format_64_t; /* + * RUI/RUD (reverse mapping) log format definitions + */ +struct xfs_map_extent { + __uint64_t me_owner; + __uint64_t me_startblock; + __uint64_t me_startoff; + __uint32_t me_len; + __uint32_t me_flags; +}; + +/* rmap me_flags: upper bits are flags, lower byte is type code */ +#define XFS_RMAP_EXTENT_MAP 1 +#define XFS_RMAP_EXTENT_MAP_SHARED 2 +#define XFS_RMAP_EXTENT_UNMAP 3 +#define XFS_RMAP_EXTENT_UNMAP_SHARED 4 +#define XFS_RMAP_EXTENT_CONVERT 5 +#define XFS_RMAP_EXTENT_CONVERT_SHARED 6 +#define XFS_RMAP_EXTENT_ALLOC 7 +#define XFS_RMAP_EXTENT_FREE 8 +#define XFS_RMAP_EXTENT_TYPE_MASK 0xFF + +#define XFS_RMAP_EXTENT_ATTR_FORK (1U << 31) +#define XFS_RMAP_EXTENT_BMBT_BLOCK (1U << 30) +#define XFS_RMAP_EXTENT_UNWRITTEN (1U << 29) + +#define XFS_RMAP_EXTENT_FLAGS (XFS_RMAP_EXTENT_TYPE_MASK | \ + XFS_RMAP_EXTENT_ATTR_FORK | \ + XFS_RMAP_EXTENT_BMBT_BLOCK | \ + XFS_RMAP_EXTENT_UNWRITTEN) + +/* + * This is the structure used to lay out an rui log item in the + * log. The rui_extents field is a variable size array whose + * size is given by rui_nextents. + */ +struct xfs_rui_log_format { + __uint16_t rui_type; /* rui log item type */ + __uint16_t rui_size; /* size of this item */ + __uint32_t rui_nextents; /* # extents to free */ + __uint64_t rui_id; /* rui identifier */ + struct xfs_map_extent rui_extents[1]; /* array of extents to rmap */ +}; + +/* + * This is the structure used to lay out an rud log item in the + * log. The rud_extents array is a variable size array whose + * size is given by rud_nextents; + */ +struct xfs_rud_log_format { + __uint16_t rud_type; /* rud log item type */ + __uint16_t rud_size; /* size of this item */ + __uint32_t rud_nextents; /* # of extents freed */ + __uint64_t rud_rui_id; /* id of corresponding rui */ + struct xfs_map_extent rud_extents[1]; /* array of extents rmapped */ +}; + +/* * Dquot Log format definitions. * * The first two fields must be the type and size fitting into diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index 6674340..aff60dc 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -87,4 +87,23 @@ int xfs_rmapbt_query_range(struct xfs_btree_cur *cur, struct xfs_rmap_irec *low_rec, struct xfs_rmap_irec *high_rec, xfs_rmapbt_query_range_fn fn, void *priv); +enum xfs_rmap_intent_type { + XFS_RMAP_MAP, + XFS_RMAP_MAP_SHARED, + XFS_RMAP_UNMAP, + XFS_RMAP_UNMAP_SHARED, + XFS_RMAP_CONVERT, + XFS_RMAP_CONVERT_SHARED, + XFS_RMAP_ALLOC, + XFS_RMAP_FREE, +}; + +struct xfs_rmap_intent { + struct list_head ri_list; + enum xfs_rmap_intent_type ri_type; + __uint64_t ri_owner; + int ri_whichfork; + struct xfs_bmbt_irec ri_bmap; +}; + #endif /* __XFS_RMAP_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:35:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F2CC08152 for ; Thu, 16 Jun 2016 20:35:38 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7C4CEAC001 for ; Thu, 16 Jun 2016 18:35:38 -0700 (PDT) X-ASG-Debug-ID: 1466127336-04bdf01e13961a0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ozjmMWjjkAWa4Tir (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:36 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ZW1Q004568 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:32 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZVFn032157 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:31 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZUNm023072; Fri, 17 Jun 2016 01:35:31 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:30 -0700 Subject: [PATCH 045/145] xfs: enable the xfs_defer mechanism to process rmaps to update From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 045/145] xfs: enable the xfs_defer mechanism to process rmaps to update To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:35:29 -0700 Message-ID: <146612732898.16048.12128402877492848247.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127336 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3705 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Connect the xfs_defer mechanism with the pieces that we'll need to handle deferred rmap updates. We'll wire up the existing code to our new deferred mechanism later. Signed-off-by: Darrick J. Wong --- libxfs/defer_item.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_defer.h | 1 + 2 files changed, 101 insertions(+) diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c index 777875c..cd88cfd 100644 --- a/libxfs/defer_item.c +++ b/libxfs/defer_item.c @@ -30,6 +30,7 @@ #include "xfs_trans.h" #include "xfs_bmap.h" #include "xfs_alloc.h" +#include "xfs_rmap_btree.h" /* Extent Freeing */ @@ -126,11 +127,110 @@ const struct xfs_defer_op_type xfs_extent_free_defer_type = { .cancel_item = xfs_bmap_free_cancel_item, }; +/* Reverse Mapping */ + +/* Sort rmap intents by AG. */ +static int +xfs_rmap_update_diff_items( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_mount *mp = priv; + struct xfs_rmap_intent *ra; + struct xfs_rmap_intent *rb; + + ra = container_of(a, struct xfs_rmap_intent, ri_list); + rb = container_of(b, struct xfs_rmap_intent, ri_list); + return XFS_FSB_TO_AGNO(mp, ra->ri_bmap.br_startblock) - + XFS_FSB_TO_AGNO(mp, rb->ri_bmap.br_startblock); +} + +/* Get an RUI. */ +STATIC void * +xfs_rmap_update_create_intent( + struct xfs_trans *tp, + unsigned int count) +{ + return NULL; +} + +/* Log rmap updates in the intent item. */ +STATIC void +xfs_rmap_update_log_item( + struct xfs_trans *tp, + void *intent, + struct list_head *item) +{ +} + +/* Get an RUD so we can process all the deferred rmap updates. */ +STATIC void * +xfs_rmap_update_create_done( + struct xfs_trans *tp, + void *intent, + unsigned int count) +{ + return NULL; +} + +/* Process a deferred rmap update. */ +STATIC int +xfs_rmap_update_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + return -EFSCORRUPTED; +} + +/* Clean up after processing deferred rmaps. */ +STATIC void +xfs_rmap_update_finish_cleanup( + struct xfs_trans *tp, + void *state, + int error) +{ +} + +/* Abort all pending RUIs. */ +STATIC void +xfs_rmap_update_abort_intent( + void *intent) +{ +} + +/* Cancel a deferred rmap update. */ +STATIC void +xfs_rmap_update_cancel_item( + struct list_head *item) +{ + struct xfs_rmap_intent *rmap; + + rmap = container_of(item, struct xfs_rmap_intent, ri_list); + kmem_free(rmap); +} + +const struct xfs_defer_op_type xfs_rmap_update_defer_type = { + .type = XFS_DEFER_OPS_TYPE_RMAP, + .diff_items = xfs_rmap_update_diff_items, + .create_intent = xfs_rmap_update_create_intent, + .abort_intent = xfs_rmap_update_abort_intent, + .log_item = xfs_rmap_update_log_item, + .create_done = xfs_rmap_update_create_done, + .finish_item = xfs_rmap_update_finish_item, + .finish_cleanup = xfs_rmap_update_finish_cleanup, + .cancel_item = xfs_rmap_update_cancel_item, +}; + /* Deferred Item Initialization */ /* Initialize the deferred operation types. */ void xfs_defer_init_types(void) { + xfs_defer_init_op_type(&xfs_rmap_update_defer_type); xfs_defer_init_op_type(&xfs_extent_free_defer_type); } diff --git a/libxfs/xfs_defer.h b/libxfs/xfs_defer.h index 743fc32..920642e 100644 --- a/libxfs/xfs_defer.h +++ b/libxfs/xfs_defer.h @@ -51,6 +51,7 @@ struct xfs_defer_pending { * find all the space it needs. */ enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_RMAP, XFS_DEFER_OPS_TYPE_FREE, XFS_DEFER_OPS_TYPE_MAX, }; From darrick.wong@oracle.com Thu Jun 16 20:35:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 274A5819A for ; Thu, 16 Jun 2016 20:35:47 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 92C5FAC001 for ; Thu, 16 Jun 2016 18:35:46 -0700 (PDT) X-ASG-Debug-ID: 1466127342-04cbb01fee6a150001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 7eRmhdvPJr5iVCYG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:43 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1Zb51017418 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:38 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Zb1h004843 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:37 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZaTq023094; Fri, 17 Jun 2016 01:35:37 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:36 -0700 Subject: [PATCH 046/145] xfs: propagate bmap updates to rmapbt From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 046/145] xfs: propagate bmap updates to rmapbt To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:35:35 -0700 Message-ID: <146612733514.16048.2625675620980385531.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127342 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15024 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we map, unmap, or convert an extent in a file's data or attr fork, schedule a respective update in the rmapbt. Previous versions of this patch required a 1:1 correspondence between bmap and rmap, but this is no longer true. v2: Remove the 1:1 correspondence requirement now that we have the ability to make interval queries against the rmapbt. Update the commit message to reflect the broad restructuring of this patch. Fix the bmap shift code to adjust the rmaps correctly. v3: Use the deferred operations code to handle redo operations atomically and deadlock free. Plumb in all five rmap actions (map, unmap, convert extent, alloc, free); we'll use the first three now for file data, and reflink will want the last two. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 2 libxfs/defer_item.c | 18 +++ libxfs/util.c | 1 libxfs/xfs_bmap.c | 56 +++++++++- libxfs/xfs_rmap.c | 252 +++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.h | 24 ++++ 6 files changed, 344 insertions(+), 9 deletions(-) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 55df410..00c2ccb 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -200,6 +200,8 @@ #define trace_xfs_rmapbt_insert_error(...) ((void) 0) #define trace_xfs_rmapbt_delete(...) ((void) 0) #define trace_xfs_rmapbt_delete_error(...) ((void) 0) +#define trace_xfs_rmap_defer(...) ((void) 0) +#define trace_xfs_rmap_deferred(...) ((void) 0) #define trace_xfs_rmap_lookup_le_range_result(...) ((void) 0) #define trace_xfs_rmap_map_gtrec(...) ((void) 0) diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c index cd88cfd..381c969 100644 --- a/libxfs/defer_item.c +++ b/libxfs/defer_item.c @@ -183,7 +183,20 @@ xfs_rmap_update_finish_item( void *done_item, void **state) { - return -EFSCORRUPTED; + struct xfs_rmap_intent *rmap; + int error; + + rmap = container_of(item, struct xfs_rmap_intent, ri_list); + error = xfs_rmap_finish_one(tp, + rmap->ri_type, + rmap->ri_owner, rmap->ri_whichfork, + rmap->ri_bmap.br_startoff, + rmap->ri_bmap.br_startblock, + rmap->ri_bmap.br_blockcount, + rmap->ri_bmap.br_state, + (struct xfs_btree_cur **)state); + kmem_free(rmap); + return error; } /* Clean up after processing deferred rmaps. */ @@ -193,6 +206,9 @@ xfs_rmap_update_finish_cleanup( void *state, int error) { + struct xfs_btree_cur *rcur = state; + + xfs_rmap_finish_one_cleanup(tp, rcur, error); } /* Abort all pending RUIs. */ diff --git a/libxfs/util.c b/libxfs/util.c index 5b277c2..2ba6510 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -37,6 +37,7 @@ #include "xfs_alloc.h" #include "xfs_bit.h" #include "list.h" +#include "xfs_rmap_btree.h" /* * Calculate the worst case log unit reservation for a given superblock diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 453d073..e9ccec5 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -38,6 +38,7 @@ #include "xfs_trace.h" #include "xfs_attr_leaf.h" #include "xfs_quota_defs.h" +#include "xfs_rmap_btree.h" kmem_zone_t *xfs_bmap_free_item_zone; @@ -2170,6 +2171,11 @@ xfs_bmap_add_extent_delay_real( ASSERT(0); } + /* add reverse mapping */ + error = xfs_rmap_map_extent(mp, bma->dfops, bma->ip, whichfork, new); + if (error) + goto done; + /* convert to a btree if necessary */ if (xfs_bmap_needs_btree(bma->ip, whichfork)) { int tmp_logflags; /* partial log flag return val */ @@ -2706,6 +2712,11 @@ xfs_bmap_add_extent_unwritten_real( ASSERT(0); } + /* update reverse mappings */ + error = xfs_rmap_convert_extent(mp, dfops, ip, XFS_DATA_FORK, new); + if (error) + goto done; + /* convert to a btree if necessary */ if (xfs_bmap_needs_btree(ip, XFS_DATA_FORK)) { int tmp_logflags; /* partial log flag return val */ @@ -3098,6 +3109,11 @@ xfs_bmap_add_extent_hole_real( break; } + /* add reverse mapping */ + error = xfs_rmap_map_extent(mp, bma->dfops, bma->ip, whichfork, new); + if (error) + goto done; + /* convert to a btree if necessary */ if (xfs_bmap_needs_btree(bma->ip, whichfork)) { int tmp_logflags; /* partial log flag return val */ @@ -5024,6 +5040,14 @@ xfs_bmap_del_extent( ++*idx; break; } + + /* remove reverse mapping */ + if (!delay) { + error = xfs_rmap_unmap_extent(mp, dfops, ip, whichfork, del); + if (error) + goto done; + } + /* * If we need to, add to list of extents to delete. */ @@ -5561,7 +5585,8 @@ xfs_bmse_shift_one( struct xfs_bmbt_rec_host *gotp, struct xfs_btree_cur *cur, int *logflags, - enum shift_direction direction) + enum shift_direction direction, + struct xfs_defer_ops *dfops) { struct xfs_ifork *ifp; struct xfs_mount *mp; @@ -5609,9 +5634,13 @@ xfs_bmse_shift_one( /* check whether to merge the extent or shift it down */ if (xfs_bmse_can_merge(&adj_irec, &got, offset_shift_fsb)) { - return xfs_bmse_merge(ip, whichfork, offset_shift_fsb, - *current_ext, gotp, adj_irecp, - cur, logflags); + error = xfs_bmse_merge(ip, whichfork, offset_shift_fsb, + *current_ext, gotp, adj_irecp, + cur, logflags); + if (error) + return error; + adj_irec = got; + goto update_rmap; } } else { startoff = got.br_startoff + offset_shift_fsb; @@ -5648,9 +5677,10 @@ update_current_ext: (*current_ext)--; xfs_bmbt_set_startoff(gotp, startoff); *logflags |= XFS_ILOG_CORE; + adj_irec = got; if (!cur) { *logflags |= XFS_ILOG_DEXT; - return 0; + goto update_rmap; } error = xfs_bmbt_lookup_eq(cur, got.br_startoff, got.br_startblock, @@ -5660,8 +5690,18 @@ update_current_ext: XFS_WANT_CORRUPTED_RETURN(mp, i == 1); got.br_startoff = startoff; - return xfs_bmbt_update(cur, got.br_startoff, got.br_startblock, - got.br_blockcount, got.br_state); + error = xfs_bmbt_update(cur, got.br_startoff, got.br_startblock, + got.br_blockcount, got.br_state); + if (error) + return error; + +update_rmap: + /* update reverse mapping */ + error = xfs_rmap_unmap_extent(mp, dfops, ip, whichfork, &adj_irec); + if (error) + return error; + adj_irec.br_startoff = startoff; + return xfs_rmap_map_extent(mp, dfops, ip, whichfork, &adj_irec); } /* @@ -5789,7 +5829,7 @@ xfs_bmap_shift_extents( while (nexts++ < num_exts) { error = xfs_bmse_shift_one(ip, whichfork, offset_shift_fsb, ¤t_ext, gotp, cur, &logflags, - direction); + direction, dfops); if (error) goto del_cursor; /* diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 47f37d7..7637903 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -34,6 +34,8 @@ #include "xfs_rmap_btree.h" #include "xfs_trans_space.h" #include "xfs_trace.h" +#include "xfs_bmap.h" +#include "xfs_inode.h" /* * Lookup the first record less than or equal to [bno, len, owner, offset] @@ -1210,3 +1212,253 @@ xfs_rmapbt_query_range( return xfs_btree_query_range(cur, &low_brec, &high_brec, xfs_rmapbt_query_range_helper, &query); } + +/* Clean up after calling xfs_rmap_finish_one. */ +void +xfs_rmap_finish_one_cleanup( + struct xfs_trans *tp, + struct xfs_btree_cur *rcur, + int error) +{ + struct xfs_buf *agbp; + + if (rcur == NULL) + return; + agbp = rcur->bc_private.a.agbp; + xfs_btree_del_cursor(rcur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(tp, agbp); +} + +/* + * Process one of the deferred rmap operations. We pass back the + * btree cursor to maintain our lock on the rmapbt between calls. + * This saves time and eliminates a buffer deadlock between the + * superblock and the AGF because we'll always grab them in the same + * order. + */ +int +xfs_rmap_finish_one( + struct xfs_trans *tp, + enum xfs_rmap_intent_type type, + __uint64_t owner, + int whichfork, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state, + struct xfs_btree_cur **pcur) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_btree_cur *rcur; + struct xfs_buf *agbp = NULL; + int error = 0; + xfs_agnumber_t agno; + struct xfs_owner_info oinfo; + xfs_agblock_t bno; + bool unwritten; + + agno = XFS_FSB_TO_AGNO(mp, startblock); + ASSERT(agno != NULLAGNUMBER); + bno = XFS_FSB_TO_AGBNO(mp, startblock); + + trace_xfs_rmap_deferred(mp, agno, type, bno, owner, whichfork, + startoff, blockcount, state); + + if (XFS_TEST_ERROR(false, mp, + XFS_ERRTAG_RMAP_FINISH_ONE, + XFS_RANDOM_RMAP_FINISH_ONE)) + return -EIO; + + /* + * If we haven't gotten a cursor or the cursor AG doesn't match + * the startblock, get one now. + */ + rcur = *pcur; + if (rcur != NULL && rcur->bc_private.a.agno != agno) { + xfs_rmap_finish_one_cleanup(tp, rcur, 0); + rcur = NULL; + *pcur = NULL; + } + if (rcur == NULL) { + error = xfs_free_extent_fix_freelist(tp, agno, &agbp); + if (error) + return error; + if (!agbp) + return -EFSCORRUPTED; + + rcur = xfs_rmapbt_init_cursor(mp, tp, agbp, agno); + if (!rcur) { + error = -ENOMEM; + goto out_cur; + } + } + *pcur = rcur; + + xfs_rmap_ino_owner(&oinfo, owner, whichfork, startoff); + unwritten = state == XFS_EXT_UNWRITTEN; + bno = XFS_FSB_TO_AGBNO(rcur->bc_mp, startblock); + + switch (type) { + case XFS_RMAP_MAP: + error = xfs_rmap_map(rcur, bno, blockcount, unwritten, &oinfo); + break; + case XFS_RMAP_UNMAP: + error = xfs_rmap_unmap(rcur, bno, blockcount, unwritten, + &oinfo); + break; + case XFS_RMAP_CONVERT: + error = xfs_rmap_convert(rcur, bno, blockcount, !unwritten, + &oinfo); + break; + case XFS_RMAP_ALLOC: + error = __xfs_rmap_alloc(rcur, bno, blockcount, unwritten, + &oinfo); + break; + case XFS_RMAP_FREE: + error = __xfs_rmap_free(rcur, bno, blockcount, unwritten, + &oinfo); + break; + default: + ASSERT(0); + error = -EFSCORRUPTED; + } + return error; + +out_cur: + xfs_trans_brelse(tp, agbp); + + return error; +} + +/* + * Record a rmap intent; the list is kept sorted first by AG and then by + * increasing age. + */ +static int +__xfs_rmap_add( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_rmap_intent *ri) +{ + struct xfs_rmap_intent *new; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + + trace_xfs_rmap_defer(mp, XFS_FSB_TO_AGNO(mp, ri->ri_bmap.br_startblock), + ri->ri_type, + XFS_FSB_TO_AGBNO(mp, ri->ri_bmap.br_startblock), + ri->ri_owner, ri->ri_whichfork, + ri->ri_bmap.br_startoff, + ri->ri_bmap.br_blockcount, + ri->ri_bmap.br_state); + + new = kmem_zalloc(sizeof(struct xfs_rmap_intent), KM_SLEEP | KM_NOFS); + *new = *ri; + + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_RMAP, &new->ri_list); + return 0; +} + +/* Map an extent into a file. */ +int +xfs_rmap_map_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_MAP; + ri.ri_owner = ip->i_ino; + ri.ri_whichfork = whichfork; + ri.ri_bmap = *PREV; + + return __xfs_rmap_add(mp, dfops, &ri); +} + +/* Unmap an extent out of a file. */ +int +xfs_rmap_unmap_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_UNMAP; + ri.ri_owner = ip->i_ino; + ri.ri_whichfork = whichfork; + ri.ri_bmap = *PREV; + + return __xfs_rmap_add(mp, dfops, &ri); +} + +/* Convert a data fork extent from unwritten to real or vice versa. */ +int +xfs_rmap_convert_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_CONVERT; + ri.ri_owner = ip->i_ino; + ri.ri_whichfork = whichfork; + ri.ri_bmap = *PREV; + + return __xfs_rmap_add(mp, dfops, &ri); +} + +/* Schedule the creation of an rmap for non-file data. */ +int +xfs_rmap_alloc_defer( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + xfs_agnumber_t agno, + xfs_agblock_t bno, + xfs_extlen_t len, + __uint64_t owner) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_ALLOC; + ri.ri_owner = owner; + ri.ri_whichfork = XFS_DATA_FORK; + ri.ri_bmap.br_startblock = XFS_AGB_TO_FSB(mp, agno, bno); + ri.ri_bmap.br_blockcount = len; + ri.ri_bmap.br_startoff = 0; + ri.ri_bmap.br_state = XFS_EXT_NORM; + + return __xfs_rmap_add(mp, dfops, &ri); +} + +/* Schedule the deletion of an rmap for non-file data. */ +int +xfs_rmap_free_defer( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + xfs_agnumber_t agno, + xfs_agblock_t bno, + xfs_extlen_t len, + __uint64_t owner) +{ + struct xfs_rmap_intent ri; + + ri.ri_type = XFS_RMAP_FREE; + ri.ri_owner = owner; + ri.ri_whichfork = XFS_DATA_FORK; + ri.ri_bmap.br_startblock = XFS_AGB_TO_FSB(mp, agno, bno); + ri.ri_bmap.br_blockcount = len; + ri.ri_bmap.br_startoff = 0; + ri.ri_bmap.br_state = XFS_EXT_NORM; + + return __xfs_rmap_add(mp, dfops, &ri); +} diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index aff60dc..5df406e 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -106,4 +106,28 @@ struct xfs_rmap_intent { struct xfs_bmbt_irec ri_bmap; }; +/* functions for updating the rmapbt based on bmbt map/unmap operations */ +int xfs_rmap_map_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); +int xfs_rmap_unmap_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); +int xfs_rmap_convert_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); +int xfs_rmap_alloc_defer(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, + __uint64_t owner); +int xfs_rmap_free_defer(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, + __uint64_t owner); + +void xfs_rmap_finish_one_cleanup(struct xfs_trans *tp, + struct xfs_btree_cur *rcur, int error); +int xfs_rmap_finish_one(struct xfs_trans *tp, enum xfs_rmap_intent_type type, + __uint64_t owner, int whichfork, xfs_fileoff_t startoff, + xfs_fsblock_t startblock, xfs_filblks_t blockcount, + xfs_exntst_t state, struct xfs_btree_cur **pcur); + #endif /* __XFS_RMAP_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:35:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1583281A3 for ; Thu, 16 Jun 2016 20:35:52 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id D9CCE304048 for ; Thu, 16 Jun 2016 18:35:51 -0700 (PDT) X-ASG-Debug-ID: 1466127350-04cb6c542557f40001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 70M8EaXWNQrBtSSF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:50 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ZkRH004730 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:46 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZjLU032444 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:45 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZhDC010942; Fri, 17 Jun 2016 01:35:44 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:42 -0700 Subject: [PATCH 047/145] xfs: add rmap btree geometry feature flag From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 047/145] xfs: add rmap btree geometry feature flag To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:35:41 -0700 Message-ID: <146612734137.16048.1164157172789537615.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127350 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 784 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner So xfs_info and other userspace utilities know the filesystem is using this feature. Signed-off-by: Dave Chinner --- libxfs/xfs_fs.h | 1 + 1 file changed, 1 insertion(+) diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index 1f17e1c..085ea6f 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -230,6 +230,7 @@ typedef struct xfs_fsop_resblks { #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ +#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* Reverse mapping btree */ /* * Minimum and maximum sizes need for growth checks. From darrick.wong@oracle.com Thu Jun 16 20:35:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B439F81A5 for ; Thu, 16 Jun 2016 20:35:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 81A61304048 for ; Thu, 16 Jun 2016 18:35:56 -0700 (PDT) X-ASG-Debug-ID: 1466127354-04cbb01fec6a170001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id F556fwLhUp16NOI3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:35:55 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ZoNf004778 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:50 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZnWg005054 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:50 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1Zn3q028164; Fri, 17 Jun 2016 01:35:49 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:48 -0700 Subject: [PATCH 048/145] xfs: don't update rmapbt when fixing agfl From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 048/145] xfs: don't update rmapbt when fixing agfl To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:35:47 -0700 Message-ID: <146612734754.16048.4355394142113008748.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127354 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3339 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Allow a caller of xfs_alloc_fix_freelist to disable rmapbt updates when fixing the AG freelist. xfs_repair needs this during phase 5 to be able to adjust the freelist while it's reconstructing the rmap btree; the missing entries will be added back at the very end of phase 5 once the AGFL contents settle down. Signed-off-by: Darrick J. Wong --- libxfs/xfs_alloc.c | 40 ++++++++++++++++++++++++++-------------- libxfs/xfs_alloc.h | 3 +++ 2 files changed, 29 insertions(+), 14 deletions(-) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 7d680da..2f943db 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -2088,26 +2088,38 @@ xfs_alloc_fix_freelist( * anything other than extra overhead when we need to put more blocks * back on the free list? Maybe we should only do this when space is * getting low or the AGFL is more than half full? + * + * The NOSHRINK flag prevents the AGFL from being shrunk if it's too + * big; the NORMAP flag prevents AGFL expand/shrink operations from + * updating the rmapbt. Both flags are used in xfs_repair while we're + * rebuilding the rmapbt, and neither are used by the kernel. They're + * both required to ensure that rmaps are correctly recorded for the + * regenerated AGFL, bnobt, and cntbt. See repair/phase5.c and + * repair/rmap.c in xfsprogs for details. */ - xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); - while (pag->pagf_flcount > need) { - struct xfs_buf *bp; + memset(&targs, 0, sizeof(targs)); + if (!(flags & XFS_ALLOC_FLAG_NOSHRINK)) { + if (!(flags & XFS_ALLOC_FLAG_NORMAP)) + xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); + while (pag->pagf_flcount > need) { + struct xfs_buf *bp; - error = xfs_alloc_get_freelist(tp, agbp, &bno, 0); - if (error) - goto out_agbp_relse; - error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, - &targs.oinfo, 1); - if (error) - goto out_agbp_relse; - bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0); - xfs_trans_binval(tp, bp); + error = xfs_alloc_get_freelist(tp, agbp, &bno, 0); + if (error) + goto out_agbp_relse; + error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, + &targs.oinfo, 1); + if (error) + goto out_agbp_relse; + bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0); + xfs_trans_binval(tp, bp); + } } - memset(&targs, 0, sizeof(targs)); targs.tp = tp; targs.mp = mp; - xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); + if (!(flags & XFS_ALLOC_FLAG_NORMAP)) + xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); targs.agbp = agbp; targs.agno = args->agno; targs.alignment = targs.minlen = targs.prod = targs.isfl = 1; diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index 7b6c66b..7b9e67e 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -54,6 +54,9 @@ typedef unsigned int xfs_alloctype_t; */ #define XFS_ALLOC_FLAG_TRYLOCK 0x00000001 /* use trylock for buffer locking */ #define XFS_ALLOC_FLAG_FREEING 0x00000002 /* indicate caller is freeing extents*/ +#define XFS_ALLOC_FLAG_NORMAP 0x00000004 /* don't modify the rmapbt */ +#define XFS_ALLOC_FLAG_NOSHRINK 0x00000008 /* don't shrink the freelist */ + /* * Argument structure for xfs_alloc routines. From darrick.wong@oracle.com Thu Jun 16 20:36:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0FEC881B5 for ; Thu, 16 Jun 2016 20:36:06 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8B69AAC002 for ; Thu, 16 Jun 2016 18:36:05 -0700 (PDT) X-ASG-Debug-ID: 1466127363-04bdf01e1396200001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id o3LU0dHbCHa9PFLo (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:04 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ZxCj017530 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:59 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZxOK032625 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:35:59 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ZuDL010960; Fri, 17 Jun 2016 01:35:57 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:35:56 -0700 Subject: [PATCH 049/145] xfs: enable the rmap btree functionality From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 049/145] xfs: enable the rmap btree functionality To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:35:53 -0700 Message-ID: <146612735364.16048.10084233974535786999.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127364 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1096 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Add the feature flag to the supported matrix so that the kernel can mount and use rmap btree enabled filesystems v2: Move the EXPERIMENTAL message to fill_super so it only prints once. Signed-off-by: Dave Chinner [darrick.wong@oracle.com: move the experimental tag] Signed-off-by: Darrick J. Wong --- libxfs/xfs_format.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 2525004..7205806 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -457,7 +457,8 @@ xfs_sb_has_compat_feature( #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ #define XFS_SB_FEAT_RO_COMPAT_RMAPBT (1 << 1) /* reverse map btree */ #define XFS_SB_FEAT_RO_COMPAT_ALL \ - (XFS_SB_FEAT_RO_COMPAT_FINOBT) + (XFS_SB_FEAT_RO_COMPAT_FINOBT | \ + XFS_SB_FEAT_RO_COMPAT_RMAPBT) #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL static inline bool xfs_sb_has_ro_compat_feature( From darrick.wong@oracle.com Thu Jun 16 20:36:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 01F9981BD for ; Thu, 16 Jun 2016 20:36:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id CECEF304048 for ; Thu, 16 Jun 2016 18:36:11 -0700 (PDT) X-ASG-Debug-ID: 1466127368-04cb6c542457f60001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id AjAK14nA6cKtusyQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:09 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1a4Y2017788 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:04 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1a3H3005523 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:03 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1a37g000572; Fri, 17 Jun 2016 01:36:03 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:02 -0700 Subject: [PATCH 050/145] xfs_db: display rmap btree contents From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 050/145] xfs_db: display rmap btree contents To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:36:01 -0700 Message-ID: <146612736121.16048.14772876071545022810.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127369 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14130 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Teach the debugger how to dump the reverse-mapping btree contents. Decode the extra fields in the rmapbt records and keys now that we support reflink. Signed-off-by: Dave Chinner [darrick: split patch, add commit message, decode extra fields] [darrick: support overlapped interval btree fields] [darrick: move unwritten bit to rm_offset] Signed-off-by: Darrick J. Wong --- db/agf.c | 6 +++ db/btblock.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++++ db/btblock.h | 5 +++ db/field.c | 19 ++++++++++ db/field.h | 9 +++++ db/type.c | 5 +++ db/type.h | 2 + man/man8/xfs_db.8 | 56 +++++++++++++++++++++++++++++- 8 files changed, 200 insertions(+), 2 deletions(-) diff --git a/db/agf.c b/db/agf.c index e10526d..f4c4269 100644 --- a/db/agf.c +++ b/db/agf.c @@ -55,6 +55,9 @@ const field_t agf_flds[] = { { "cntroot", FLDT_AGBLOCK, OI(OFF(roots) + XFS_BTNUM_CNT * SZ(roots[XFS_BTNUM_CNT])), C1, 0, TYP_CNTBT }, + { "rmaproot", FLDT_AGBLOCKNZ, + OI(OFF(roots) + XFS_BTNUM_RMAP * SZ(roots[XFS_BTNUM_RMAP])), C1, 0, + TYP_RMAPBT }, { "levels", FLDT_UINT32D, OI(OFF(levels)), CI(XFS_BTNUM_AGF), FLD_ARRAY|FLD_SKIPALL, TYP_NONE }, { "bnolevel", FLDT_UINT32D, @@ -63,6 +66,9 @@ const field_t agf_flds[] = { { "cntlevel", FLDT_UINT32D, OI(OFF(levels) + XFS_BTNUM_CNT * SZ(levels[XFS_BTNUM_CNT])), C1, 0, TYP_NONE }, + { "rmaplevel", FLDT_UINT32D, + OI(OFF(levels) + XFS_BTNUM_RMAP * SZ(levels[XFS_BTNUM_RMAP])), C1, 0, + TYP_NONE }, { "flfirst", FLDT_UINT32D, OI(OFF(flfirst)), C1, 0, TYP_NONE }, { "fllast", FLDT_UINT32D, OI(OFF(fllast)), C1, 0, TYP_NONE }, { "flcount", FLDT_UINT32D, OI(OFF(flcount)), C1, 0, TYP_NONE }, diff --git a/db/btblock.c b/db/btblock.c index 46140fc..ce59d18 100644 --- a/db/btblock.c +++ b/db/btblock.c @@ -96,6 +96,12 @@ struct xfs_db_btree { sizeof(xfs_inobt_rec_t), sizeof(__be32), }, + { XFS_RMAP_CRC_MAGIC, + XFS_BTREE_SBLOCK_CRC_LEN, + 2 * sizeof(struct xfs_rmap_key), + sizeof(struct xfs_rmap_rec), + sizeof(__be32), + }, { 0, }, }; @@ -607,3 +613,97 @@ const field_t cntbt_rec_flds[] = { { NULL } }; #undef ROFF + +/* RMAP btree blocks */ +const field_t rmapbt_crc_hfld[] = { + { "", FLDT_RMAPBT_CRC, OI(0), C1, 0, TYP_NONE }, + { NULL } +}; + +#define OFF(f) bitize(offsetof(struct xfs_btree_block, bb_ ## f)) +const field_t rmapbt_crc_flds[] = { + { "magic", FLDT_UINT32X, OI(OFF(magic)), C1, 0, TYP_NONE }, + { "level", FLDT_UINT16D, OI(OFF(level)), C1, 0, TYP_NONE }, + { "numrecs", FLDT_UINT16D, OI(OFF(numrecs)), C1, 0, TYP_NONE }, + { "leftsib", FLDT_AGBLOCK, OI(OFF(u.s.bb_leftsib)), C1, 0, TYP_RMAPBT }, + { "rightsib", FLDT_AGBLOCK, OI(OFF(u.s.bb_rightsib)), C1, 0, TYP_RMAPBT }, + { "bno", FLDT_DFSBNO, OI(OFF(u.s.bb_blkno)), C1, 0, TYP_RMAPBT }, + { "lsn", FLDT_UINT64X, OI(OFF(u.s.bb_lsn)), C1, 0, TYP_NONE }, + { "uuid", FLDT_UUID, OI(OFF(u.s.bb_uuid)), C1, 0, TYP_NONE }, + { "owner", FLDT_AGNUMBER, OI(OFF(u.s.bb_owner)), C1, 0, TYP_NONE }, + { "crc", FLDT_CRC, OI(OFF(u.s.bb_crc)), C1, 0, TYP_NONE }, + { "recs", FLDT_RMAPBTREC, btblock_rec_offset, btblock_rec_count, + FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE }, + { "keys", FLDT_RMAPBTKEY, btblock_key_offset, btblock_key_count, + FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE }, + { "ptrs", FLDT_RMAPBTPTR, btblock_ptr_offset, btblock_key_count, + FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_RMAPBT }, + { NULL } +}; +#undef OFF + +#define KOFF(f) bitize(offsetof(struct xfs_rmap_key, rm_ ## f)) + +#define RMAPBK_STARTBLOCK_BITOFF 0 +#define RMAPBK_OWNER_BITOFF (RMAPBK_STARTBLOCK_BITOFF + RMAPBT_STARTBLOCK_BITLEN) +#define RMAPBK_ATTRFLAG_BITOFF (RMAPBK_OWNER_BITOFF + RMAPBT_OWNER_BITLEN) +#define RMAPBK_BMBTFLAG_BITOFF (RMAPBK_ATTRFLAG_BITOFF + RMAPBT_ATTRFLAG_BITLEN) +#define RMAPBK_EXNTFLAG_BITOFF (RMAPBK_BMBTFLAG_BITOFF + RMAPBT_BMBTFLAG_BITLEN) +#define RMAPBK_UNUSED_OFFSET_BITOFF (RMAPBK_EXNTFLAG_BITOFF + RMAPBT_EXNTFLAG_BITLEN) +#define RMAPBK_OFFSET_BITOFF (RMAPBK_UNUSED_OFFSET_BITOFF + RMAPBT_UNUSED_OFFSET_BITLEN) + +#define HI_KOFF(f) bitize(sizeof(struct xfs_rmap_key) + offsetof(struct xfs_rmap_key, rm_ ## f)) + +#define RMAPBK_STARTBLOCKHI_BITOFF (bitize(sizeof(struct xfs_rmap_key))) +#define RMAPBK_OWNERHI_BITOFF (RMAPBK_STARTBLOCKHI_BITOFF + RMAPBT_STARTBLOCK_BITLEN) +#define RMAPBK_ATTRFLAGHI_BITOFF (RMAPBK_OWNERHI_BITOFF + RMAPBT_OWNER_BITLEN) +#define RMAPBK_BMBTFLAGHI_BITOFF (RMAPBK_ATTRFLAGHI_BITOFF + RMAPBT_ATTRFLAG_BITLEN) +#define RMAPBK_EXNTFLAGHI_BITOFF (RMAPBK_BMBTFLAGHI_BITOFF + RMAPBT_BMBTFLAG_BITLEN) +#define RMAPBK_UNUSED_OFFSETHI_BITOFF (RMAPBK_EXNTFLAGHI_BITOFF + RMAPBT_EXNTFLAG_BITLEN) +#define RMAPBK_OFFSETHI_BITOFF (RMAPBK_UNUSED_OFFSETHI_BITOFF + RMAPBT_UNUSED_OFFSET_BITLEN) + +const field_t rmapbt_key_flds[] = { + { "startblock", FLDT_AGBLOCK, OI(KOFF(startblock)), C1, 0, TYP_DATA }, + { "owner", FLDT_INT64D, OI(KOFF(owner)), C1, 0, TYP_NONE }, + { "offset", FLDT_RFILEOFFD, OI(RMAPBK_OFFSET_BITOFF), C1, 0, TYP_NONE }, + { "attrfork", FLDT_RATTRFORKFLG, OI(RMAPBK_ATTRFLAG_BITOFF), C1, 0, + TYP_NONE }, + { "bmbtblock", FLDT_RBMBTFLG, OI(RMAPBK_BMBTFLAG_BITOFF), C1, 0, + TYP_NONE }, + { "startblock_hi", FLDT_AGBLOCK, OI(HI_KOFF(startblock)), C1, 0, TYP_DATA }, + { "owner_hi", FLDT_INT64D, OI(HI_KOFF(owner)), C1, 0, TYP_NONE }, + { "offset_hi", FLDT_RFILEOFFD, OI(RMAPBK_OFFSETHI_BITOFF), C1, 0, TYP_NONE }, + { "attrfork_hi", FLDT_RATTRFORKFLG, OI(RMAPBK_ATTRFLAGHI_BITOFF), C1, 0, + TYP_NONE }, + { "bmbtblock_hi", FLDT_RBMBTFLG, OI(RMAPBK_BMBTFLAGHI_BITOFF), C1, 0, + TYP_NONE }, + { NULL } +}; +#undef HI_KOFF +#undef KOFF + +#define ROFF(f) bitize(offsetof(struct xfs_rmap_rec, rm_ ## f)) + +#define RMAPBT_STARTBLOCK_BITOFF 0 +#define RMAPBT_BLOCKCOUNT_BITOFF (RMAPBT_STARTBLOCK_BITOFF + RMAPBT_STARTBLOCK_BITLEN) +#define RMAPBT_OWNER_BITOFF (RMAPBT_BLOCKCOUNT_BITOFF + RMAPBT_BLOCKCOUNT_BITLEN) +#define RMAPBT_ATTRFLAG_BITOFF (RMAPBT_OWNER_BITOFF + RMAPBT_OWNER_BITLEN) +#define RMAPBT_BMBTFLAG_BITOFF (RMAPBT_ATTRFLAG_BITOFF + RMAPBT_ATTRFLAG_BITLEN) +#define RMAPBT_EXNTFLAG_BITOFF (RMAPBT_BMBTFLAG_BITOFF + RMAPBT_BMBTFLAG_BITLEN) +#define RMAPBT_UNUSED_OFFSET_BITOFF (RMAPBT_EXNTFLAG_BITOFF + RMAPBT_EXNTFLAG_BITLEN) +#define RMAPBT_OFFSET_BITOFF (RMAPBT_UNUSED_OFFSET_BITOFF + RMAPBT_UNUSED_OFFSET_BITLEN) + +const field_t rmapbt_rec_flds[] = { + { "startblock", FLDT_AGBLOCK, OI(RMAPBT_STARTBLOCK_BITOFF), C1, 0, TYP_DATA }, + { "blockcount", FLDT_REXTLEN, OI(RMAPBT_BLOCKCOUNT_BITOFF), C1, 0, TYP_NONE }, + { "owner", FLDT_INT64D, OI(RMAPBT_OWNER_BITOFF), C1, 0, TYP_NONE }, + { "offset", FLDT_RFILEOFFD, OI(RMAPBT_OFFSET_BITOFF), C1, 0, TYP_NONE }, + { "extentflag", FLDT_REXTFLG, OI(RMAPBT_EXNTFLAG_BITOFF), C1, 0, + TYP_NONE }, + { "attrfork", FLDT_RATTRFORKFLG, OI(RMAPBT_ATTRFLAG_BITOFF), C1, 0, + TYP_NONE }, + { "bmbtblock", FLDT_RBMBTFLG, OI(RMAPBT_BMBTFLAG_BITOFF), C1, 0, + TYP_NONE }, + { NULL } +}; +#undef ROFF diff --git a/db/btblock.h b/db/btblock.h index 228eb36..35299b4 100644 --- a/db/btblock.h +++ b/db/btblock.h @@ -54,4 +54,9 @@ extern const struct field cntbt_crc_hfld[]; extern const struct field cntbt_key_flds[]; extern const struct field cntbt_rec_flds[]; +extern const struct field rmapbt_crc_flds[]; +extern const struct field rmapbt_crc_hfld[]; +extern const struct field rmapbt_key_flds[]; +extern const struct field rmapbt_rec_flds[]; + extern int btblock_size(void *obj, int startoff, int idx); diff --git a/db/field.c b/db/field.c index 843c385..58728a9 100644 --- a/db/field.c +++ b/db/field.c @@ -153,6 +153,16 @@ const ftattr_t ftattrtab[] = { { FLDT_CHARNS, "charns", fp_charns, NULL, SI(bitsz(char)), 0, NULL, NULL }, { FLDT_CHARS, "chars", fp_num, "%c", SI(bitsz(char)), 0, NULL, NULL }, + { FLDT_REXTLEN, "rextlen", fp_num, "%u", SI(RMAPBT_BLOCKCOUNT_BITLEN), + 0, NULL, NULL }, + { FLDT_RFILEOFFD, "rfileoffd", fp_num, "%llu", SI(RMAPBT_OFFSET_BITLEN), + 0, NULL, NULL }, + { FLDT_REXTFLG, "rextflag", fp_num, "%u", SI(RMAPBT_EXNTFLAG_BITLEN), 0, + NULL, NULL }, + { FLDT_RATTRFORKFLG, "rattrforkflag", fp_num, "%u", SI(RMAPBT_ATTRFLAG_BITLEN), 0, + NULL, NULL }, + { FLDT_RBMBTFLG, "rbmbtflag", fp_num, "%u", SI(RMAPBT_BMBTFLAG_BITLEN), 0, + NULL, NULL }, { FLDT_CNTBT, "cntbt", NULL, (char *)cntbt_flds, btblock_size, FTARG_SIZE, NULL, cntbt_flds }, { FLDT_CNTBT_CRC, "cntbt", NULL, (char *)cntbt_crc_flds, btblock_size, @@ -164,6 +174,15 @@ const ftattr_t ftattrtab[] = { { FLDT_CNTBTREC, "cntbtrec", fp_sarray, (char *)cntbt_rec_flds, SI(bitsz(xfs_alloc_rec_t)), 0, NULL, cntbt_rec_flds }, + { FLDT_RMAPBT_CRC, "rmapbt", NULL, (char *)rmapbt_crc_flds, btblock_size, + FTARG_SIZE, NULL, rmapbt_crc_flds }, + { FLDT_RMAPBTKEY, "rmapbtkey", fp_sarray, (char *)rmapbt_key_flds, + SI(bitize(2 * sizeof(struct xfs_rmap_key))), 0, NULL, rmapbt_key_flds }, + { FLDT_RMAPBTPTR, "rmapbtptr", fp_num, "%u", + SI(bitsz(xfs_rmap_ptr_t)), 0, fa_agblock, NULL }, + { FLDT_RMAPBTREC, "rmapbtrec", fp_sarray, (char *)rmapbt_rec_flds, + SI(bitsz(struct xfs_rmap_rec)), 0, NULL, rmapbt_rec_flds }, + /* CRC field */ { FLDT_CRC, "crc", fp_crc, "%#x (%s)", SI(bitsz(__uint32_t)), 0, NULL, NULL }, diff --git a/db/field.h b/db/field.h index 11aebc3..47f562a 100644 --- a/db/field.h +++ b/db/field.h @@ -75,11 +75,20 @@ typedef enum fldt { FLDT_CFSBLOCK, FLDT_CHARNS, FLDT_CHARS, + FLDT_REXTLEN, + FLDT_RFILEOFFD, + FLDT_REXTFLG, + FLDT_RATTRFORKFLG, + FLDT_RBMBTFLG, FLDT_CNTBT, FLDT_CNTBT_CRC, FLDT_CNTBTKEY, FLDT_CNTBTPTR, FLDT_CNTBTREC, + FLDT_RMAPBT_CRC, + FLDT_RMAPBTKEY, + FLDT_RMAPBTPTR, + FLDT_RMAPBTREC, /* CRC field type */ FLDT_CRC, diff --git a/db/type.c b/db/type.c index 1da7ee1..dd192a1 100644 --- a/db/type.c +++ b/db/type.c @@ -58,6 +58,7 @@ static const typ_t __typtab[] = { { TYP_BMAPBTD, "bmapbtd", handle_struct, bmapbtd_hfld, NULL }, { TYP_BNOBT, "bnobt", handle_struct, bnobt_hfld, NULL }, { TYP_CNTBT, "cntbt", handle_struct, cntbt_hfld, NULL }, + { TYP_RMAPBT, NULL }, { TYP_DATA, "data", handle_block, NULL, NULL }, { TYP_DIR2, "dir2", handle_struct, dir2_hfld, NULL }, { TYP_DQBLK, "dqblk", handle_struct, dqblk_hfld, NULL }, @@ -88,6 +89,8 @@ static const typ_t __typtab_crc[] = { &xfs_allocbt_buf_ops }, { TYP_CNTBT, "cntbt", handle_struct, cntbt_crc_hfld, &xfs_allocbt_buf_ops }, + { TYP_RMAPBT, "rmapbt", handle_struct, rmapbt_crc_hfld, + &xfs_rmapbt_buf_ops }, { TYP_DATA, "data", handle_block, NULL, NULL }, { TYP_DIR2, "dir3", handle_struct, dir3_hfld, &xfs_dir3_db_buf_ops }, @@ -124,6 +127,8 @@ static const typ_t __typtab_spcrc[] = { &xfs_allocbt_buf_ops }, { TYP_CNTBT, "cntbt", handle_struct, cntbt_crc_hfld, &xfs_allocbt_buf_ops }, + { TYP_RMAPBT, "rmapbt", handle_struct, rmapbt_crc_hfld, + &xfs_rmapbt_buf_ops }, { TYP_DATA, "data", handle_block, NULL, NULL }, { TYP_DIR2, "dir3", handle_struct, dir3_hfld, &xfs_dir3_db_buf_ops }, diff --git a/db/type.h b/db/type.h index d9583e5..1bef8e6 100644 --- a/db/type.h +++ b/db/type.h @@ -24,7 +24,7 @@ struct field; typedef enum typnm { TYP_AGF, TYP_AGFL, TYP_AGI, TYP_ATTR, TYP_BMAPBTA, - TYP_BMAPBTD, TYP_BNOBT, TYP_CNTBT, TYP_DATA, + TYP_BMAPBTD, TYP_BNOBT, TYP_CNTBT, TYP_RMAPBT, TYP_DATA, TYP_DIR2, TYP_DQBLK, TYP_INOBT, TYP_INODATA, TYP_INODE, TYP_LOG, TYP_RTBITMAP, TYP_RTSUMMARY, TYP_SB, TYP_SYMLINK, TYP_TEXT, TYP_FINOBT, TYP_NONE diff --git a/man/man8/xfs_db.8 b/man/man8/xfs_db.8 index ff8f862..a380f78 100644 --- a/man/man8/xfs_db.8 +++ b/man/man8/xfs_db.8 @@ -673,7 +673,7 @@ If no argument is given, show the current data type. The possible data types are: .BR agf ", " agfl ", " agi ", " attr ", " bmapbta ", " bmapbtd , .BR bnobt ", " cntbt ", " data ", " dir ", " dir2 ", " dqblk , -.BR inobt ", " inode ", " log ", " rtbitmap ", " rtsummary , +.BR inobt ", " inode ", " log ", " rmapbt ", " rtbitmap ", " rtsummary , .BR sb ", " symlink " and " text . See the TYPES section below for more information on these data types. .TP @@ -1658,6 +1658,60 @@ use .BR xfs_logprint (8) instead. .TP +.B rmapbt +There is one set of filesystem blocks forming the reverse mapping Btree for +each allocation group. The root block of this Btree is designated by the +.B rmaproot +field in the corresponding AGF block. The blocks are linked to sibling left +and right blocks at each level, as well as by pointers from parent to child +blocks. Each block has the following fields: +.RS 1.4i +.PD 0 +.TP 1.2i +.B magic +RMAP block magic number, 0x524d4233 ('RMB3'). +.TP +.B level +level number of this block, 0 is a leaf. +.TP +.B numrecs +number of data entries in the block. +.TP +.B leftsib +left (logically lower) sibling block, 0 if none. +.TP +.B rightsib +right (logically higher) sibling block, 0 if none. +.TP +.B recs +[leaf blocks only] array of reference count records. Each record contains +.BR startblock , +.BR blockcount , +.BR owner , +.BR offset , +.BR attr_fork , +.BR bmbt_block , +and +.BR unwritten . +.TP +.B keys +[non-leaf blocks only] array of double-key records. The first ("low") key +contains the first value of each block in the level below this one. The second +("high") key contains the largest key that can be used to identify any record +in the subtree. Each record contains +.BR startblock , +.BR owner , +.BR offset , +.BR attr_fork , +and +.BR bmbt_block . +.TP +.B ptrs +[non-leaf blocks only] array of child block pointers. Each pointer is a +block number within the allocation group to the next level in the Btree. +.PD +.RE +.TP .B rtbitmap If the filesystem has a realtime subvolume, then the .B rbmino From darrick.wong@oracle.com Thu Jun 16 20:36:21 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E6C3E81C5 for ; Thu, 16 Jun 2016 20:36:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id A440D8F804B for ; Thu, 16 Jun 2016 18:36:21 -0700 (PDT) X-ASG-Debug-ID: 1466127379-04bdf01e1596230001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 53mdAHJVtFXRtbFK (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:19 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1aFlA017923 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:15 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1aFGo000656 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:15 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1aFaK000611; Fri, 17 Jun 2016 01:36:15 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:15 -0700 Subject: [PATCH 052/145] xfs_db: copy the rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 052/145] xfs_db: copy the rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:36:13 -0700 Message-ID: <146612737369.16048.1024235351152229608.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127379 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2599 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Copy the rmapbt when we're metadumping the filesystem. Signed-off-by: Darrick J. Wong --- db/metadump.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/db/metadump.c b/db/metadump.c index d7ff6e5..609a5d7 100644 --- a/db/metadump.c +++ b/db/metadump.c @@ -543,6 +543,78 @@ copy_free_cnt_btree( return scan_btree(agno, root, levels, TYP_CNTBT, agf, scanfunc_freesp); } +static int +scanfunc_rmapbt( + struct xfs_btree_block *block, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + int level, + typnm_t btype, + void *arg) +{ + xfs_rmap_ptr_t *pp; + int i; + int numrecs; + + if (level == 0) + return 1; + + numrecs = be16_to_cpu(block->bb_numrecs); + if (numrecs > mp->m_rmap_mxr[1]) { + if (show_warnings) + print_warning("invalid numrecs (%u) in %s block %u/%u", + numrecs, typtab[btype].name, agno, agbno); + return 1; + } + + pp = XFS_RMAP_PTR_ADDR(block, 1, mp->m_rmap_mxr[1]); + for (i = 0; i < numrecs; i++) { + if (!valid_bno(agno, be32_to_cpu(pp[i]))) { + if (show_warnings) + print_warning("invalid block number (%u/%u) " + "in %s block %u/%u", + agno, be32_to_cpu(pp[i]), + typtab[btype].name, agno, agbno); + continue; + } + if (!scan_btree(agno, be32_to_cpu(pp[i]), level, btype, arg, + scanfunc_rmapbt)) + return 0; + } + return 1; +} + +static int +copy_rmap_btree( + xfs_agnumber_t agno, + struct xfs_agf *agf) +{ + xfs_agblock_t root; + int levels; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 1; + + root = be32_to_cpu(agf->agf_roots[XFS_BTNUM_RMAP]); + levels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]); + + /* validate root and levels before processing the tree */ + if (root == 0 || root > mp->m_sb.sb_agblocks) { + if (show_warnings) + print_warning("invalid block number (%u) in rmapbt " + "root in agf %u", root, agno); + return 1; + } + if (levels >= XFS_BTREE_MAXLEVELS) { + if (show_warnings) + print_warning("invalid level (%u) in rmapbt root " + "in agf %u", levels, agno); + return 1; + } + + return scan_btree(agno, root, levels, TYP_RMAPBT, agf, scanfunc_rmapbt); +} + /* filename and extended attribute obfuscation routines */ struct name_ent { @@ -2451,6 +2523,8 @@ scan_ag( goto pop_out; if (!copy_free_cnt_btree(agno, agf)) goto pop_out; + if (!copy_rmap_btree(agno, agf)) + goto pop_out; } /* copy inode btrees and the inodes and their associated metadata */ From darrick.wong@oracle.com Thu Jun 16 20:36:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 811F581C7 for ; Thu, 16 Jun 2016 20:36:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 41F4F304039 for ; Thu, 16 Jun 2016 18:36:25 -0700 (PDT) X-ASG-Debug-ID: 1466127374-04cbb01fee6a1b0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id vV2Jgmbp6FKYmFb9 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:15 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1a9RT017853 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:10 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1a9uX025919 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:09 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1a9uO000584; Fri, 17 Jun 2016 01:36:09 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:08 -0700 Subject: [PATCH 051/145] xfs_db: spot check rmapbt From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 051/145] xfs_db: spot check rmapbt To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:36:07 -0700 Message-ID: <146612736753.16048.10847740420522557364.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127374 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4527 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Check the rmapbt for obvious errors. We're leaving thorough checks such as comparing the primary metadata against the rmapbt contents for newer things like xfs_repair. Signed-off-by: Darrick J. Wong --- db/check.c | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 84 insertions(+), 1 deletion(-) diff --git a/db/check.c b/db/check.c index 0871ed7..2964b5f 100644 --- a/db/check.c +++ b/db/check.c @@ -44,7 +44,7 @@ typedef enum { DBM_FREE1, DBM_FREE2, DBM_FREELIST, DBM_INODE, DBM_LOG, DBM_MISSING, DBM_QUOTA, DBM_RTBITMAP, DBM_RTDATA, DBM_RTFREE, DBM_RTSUM, DBM_SB, - DBM_SYMLINK, DBM_BTFINO, + DBM_SYMLINK, DBM_BTFINO, DBM_BTRMAP, DBM_NDBM } dbm_t; @@ -171,6 +171,7 @@ static const char *typename[] = { "sb", "symlink", "btfino", + "btrmap", NULL }; static int verbose; @@ -349,6 +350,9 @@ static void scanfunc_ino(struct xfs_btree_block *block, int level, static void scanfunc_fino(struct xfs_btree_block *block, int level, struct xfs_agf *agf, xfs_agblock_t bno, int isroot); +static void scanfunc_rmap(struct xfs_btree_block *block, int level, + struct xfs_agf *agf, xfs_agblock_t bno, + int isroot); static void set_dbmap(xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t len, dbm_t type, xfs_agnumber_t c_agno, xfs_agblock_t c_agbno); @@ -1050,6 +1054,7 @@ blocktrash_f( (1 << DBM_RTSUM) | (1 << DBM_SYMLINK) | (1 << DBM_BTFINO) | + (1 << DBM_BTRMAP) | (1 << DBM_SB); while ((c = getopt(argc, argv, "0123n:o:s:t:x:y:z")) != EOF) { switch (c) { @@ -3899,6 +3904,12 @@ scan_ag( be32_to_cpu(agf->agf_roots[XFS_BTNUM_CNT]), be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]), 1, scanfunc_cnt, TYP_CNTBT); + if (agf->agf_roots[XFS_BTNUM_RMAP]) { + scan_sbtree(agf, + be32_to_cpu(agf->agf_roots[XFS_BTNUM_RMAP]), + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]), + 1, scanfunc_rmap, TYP_RMAPBT); + } scan_sbtree(agf, be32_to_cpu(agi->agi_root), be32_to_cpu(agi->agi_level), @@ -4650,6 +4661,78 @@ scanfunc_fino( } static void +scanfunc_rmap( + struct xfs_btree_block *block, + int level, + struct xfs_agf *agf, + xfs_agblock_t bno, + int isroot) +{ + xfs_agnumber_t seqno = be32_to_cpu(agf->agf_seqno); + int i; + xfs_rmap_ptr_t *pp; + struct xfs_rmap_rec *rp; + xfs_agblock_t lastblock; + + if (be32_to_cpu(block->bb_magic) != XFS_RMAP_CRC_MAGIC) { + dbprintf(_("bad magic # %#x in rmapbt block %u/%u\n"), + be32_to_cpu(block->bb_magic), seqno, bno); + serious_error++; + return; + } + if (be16_to_cpu(block->bb_level) != level) { + if (!sflag) + dbprintf(_("expected level %d got %d in rmapbt block " + "%u/%u\n"), + level, be16_to_cpu(block->bb_level), seqno, bno); + error++; + } + if (!isroot) { + fdblocks++; + agfbtreeblks++; + } + set_dbmap(seqno, bno, 1, DBM_BTRMAP, seqno, bno); + if (level == 0) { + if (be16_to_cpu(block->bb_numrecs) > mp->m_rmap_mxr[0] || + (isroot == 0 && be16_to_cpu(block->bb_numrecs) < mp->m_rmap_mnr[0])) { + dbprintf(_("bad btree nrecs (%u, min=%u, max=%u) in " + "rmapbt block %u/%u\n"), + be16_to_cpu(block->bb_numrecs), mp->m_rmap_mnr[0], + mp->m_rmap_mxr[0], seqno, bno); + serious_error++; + return; + } + rp = XFS_RMAP_REC_ADDR(block, 1); + lastblock = 0; + for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { + if (be32_to_cpu(rp[i].rm_startblock) < lastblock) { + dbprintf(_( + "out-of-order rmap btree record %d (%u %u) block %u/%u\n"), + i, be32_to_cpu(rp[i].rm_startblock), + be32_to_cpu(rp[i].rm_startblock), + be32_to_cpu(agf->agf_seqno), bno); + } else { + lastblock = be32_to_cpu(rp[i].rm_startblock); + } + } + return; + } + if (be16_to_cpu(block->bb_numrecs) > mp->m_rmap_mxr[1] || + (isroot == 0 && be16_to_cpu(block->bb_numrecs) < mp->m_rmap_mnr[1])) { + dbprintf(_("bad btree nrecs (%u, min=%u, max=%u) in rmapbt " + "block %u/%u\n"), + be16_to_cpu(block->bb_numrecs), mp->m_rmap_mnr[1], + mp->m_rmap_mxr[1], seqno, bno); + serious_error++; + return; + } + pp = XFS_RMAP_PTR_ADDR(block, 1, mp->m_rmap_mxr[1]); + for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) + scan_sbtree(agf, be32_to_cpu(pp[i]), level, 0, scanfunc_rmap, + TYP_RMAPBT); +} + +static void set_dbmap( xfs_agnumber_t agno, xfs_agblock_t agbno, From darrick.wong@oracle.com Thu Jun 16 20:36:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 382CC819B for ; Thu, 16 Jun 2016 20:36:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 07EA78F804B for ; Thu, 16 Jun 2016 18:36:30 -0700 (PDT) X-ASG-Debug-ID: 1466127389-04cb6c542757fa0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id in5rmwg6WP8jFqUr (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:29 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1aOUD017970 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:25 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1aNsH005981 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:23 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1aLNb011075; Fri, 17 Jun 2016 01:36:22 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:21 -0700 Subject: [PATCH 053/145] xfs_growfs: report rmapbt presence From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 053/145] xfs_growfs: report rmapbt presence To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:36:19 -0700 Message-ID: <146612737977.16048.15630789762971566149.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127389 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2471 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- growfs/xfs_growfs.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/growfs/xfs_growfs.c b/growfs/xfs_growfs.c index 56315f9..2b46480 100644 --- a/growfs/xfs_growfs.c +++ b/growfs/xfs_growfs.c @@ -58,12 +58,13 @@ report_info( int cimode, int ftype_enabled, int finobt_enabled, - int spinodes) + int spinodes, + int rmapbt_enabled) { printf(_( "meta-data=%-22s isize=%-6u agcount=%u, agsize=%u blks\n" " =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n" - " =%-22s crc=%-8u finobt=%u spinodes=%u\n" + " =%-22s crc=%-8u finobt=%u spinodes=%u rmapbt=%u\n" "data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n" " =%-22s sunit=%-6u swidth=%u blks\n" "naming =version %-14u bsize=%-6u ascii-ci=%d ftype=%d\n" @@ -73,7 +74,7 @@ report_info( mntpoint, geo.inodesize, geo.agcount, geo.agblocks, "", geo.sectsize, attrversion, projid32bit, - "", crcs_enabled, finobt_enabled, spinodes, + "", crcs_enabled, finobt_enabled, spinodes, rmapbt_enabled, "", geo.blocksize, (unsigned long long)geo.datablocks, geo.imaxpct, "", geo.sunit, geo.swidth, @@ -127,6 +128,7 @@ main(int argc, char **argv) int ftype_enabled = 0; int finobt_enabled; /* free inode btree */ int spinodes; + int rmapbt_enabled; progname = basename(argv[0]); setlocale(LC_ALL, ""); @@ -250,11 +252,13 @@ main(int argc, char **argv) ftype_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_FTYPE ? 1 : 0; finobt_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_FINOBT ? 1 : 0; spinodes = geo.flags & XFS_FSOP_GEOM_FLAGS_SPINODES ? 1 : 0; + rmapbt_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_RMAPBT ? 1 : 0; if (nflag) { report_info(geo, datadev, isint, logdev, rtdev, lazycount, dirversion, logversion, attrversion, projid32bit, crcs_enabled, ci, - ftype_enabled, finobt_enabled, spinodes); + ftype_enabled, finobt_enabled, spinodes, + rmapbt_enabled); exit(0); } @@ -292,7 +296,7 @@ main(int argc, char **argv) report_info(geo, datadev, isint, logdev, rtdev, lazycount, dirversion, logversion, attrversion, projid32bit, crcs_enabled, ci, ftype_enabled, - finobt_enabled, spinodes); + finobt_enabled, spinodes, rmapbt_enabled); ddsize = xi.dsize; dlsize = ( xi.logBBsize? xi.logBBsize : From darrick.wong@oracle.com Thu Jun 16 20:36:37 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 211E181DF for ; Thu, 16 Jun 2016 20:36:37 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8C11DAC002 for ; Thu, 16 Jun 2016 18:36:36 -0700 (PDT) X-ASG-Debug-ID: 1466127394-04cbb01fee6a1d0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id PfWlaSZGJhFBZADD (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:34 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1aUgr017987 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:36:30 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1aTNL031623 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:30 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1aRSo011089; Fri, 17 Jun 2016 01:36:28 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:27 -0700 Subject: [PATCH 054/145] xfs_io: add rmap-finish error injection type From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 054/145] xfs_io: add rmap-finish error injection type To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:36:25 -0700 Message-ID: <146612738585.16048.10795156252841536265.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127394 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 769 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add XFS_ERRTAG_RMAP_FINISH_ONE to the types of errors we can inject. Signed-off-by: Darrick J. Wong --- io/inject.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/io/inject.c b/io/inject.c index 12e0fb3..16ac925 100644 --- a/io/inject.c +++ b/io/inject.c @@ -76,7 +76,9 @@ error_tag(char *name) { XFS_ERRTAG_BMAPIFORMAT, "bmapifmt" }, #define XFS_ERRTAG_FREE_EXTENT 22 { XFS_ERRTAG_FREE_EXTENT, "free_extent" }, -#define XFS_ERRTAG_MAX 23 +#define XFS_ERRTAG_RMAP_FINISH_ONE 23 + { XFS_ERRTAG_RMAP_FINISH_ONE, "rmap_finish_one" }, +#define XFS_ERRTAG_MAX 24 { XFS_ERRTAG_MAX, NULL } }; int count; From darrick.wong@oracle.com Thu Jun 16 20:36:41 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6C38681E7 for ; Thu, 16 Jun 2016 20:36:41 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1EF5F8F804B for ; Thu, 16 Jun 2016 18:36:41 -0700 (PDT) X-ASG-Debug-ID: 1466127398-04bdf01e1396260001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 90vJC7iElASJiK4l (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:38 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1aYed018008 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:35 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1aY2c026412 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:34 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1aXeU000701; Fri, 17 Jun 2016 01:36:33 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:33 -0700 Subject: [PATCH 055/145] xfs_logprint: support rmap redo items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 055/145] xfs_logprint: support rmap redo items To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:36:31 -0700 Message-ID: <146612739193.16048.6796354307999659114.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127398 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6257 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Print reverse mapping update redo items. Signed-off-by: Darrick J. Wong --- logprint/log_misc.c | 11 +++ logprint/log_print_all.c | 12 ++++ logprint/log_redo.c | 152 ++++++++++++++++++++++++++++++++++++++++++++++ logprint/logprint.h | 5 ++ 4 files changed, 180 insertions(+) diff --git a/logprint/log_misc.c b/logprint/log_misc.c index 57d397c..479fc14 100644 --- a/logprint/log_misc.c +++ b/logprint/log_misc.c @@ -993,6 +993,17 @@ xlog_print_record( be32_to_cpu(op_head->oh_len)); break; } + case XFS_LI_RUI: { + skip = xlog_print_trans_rui(&ptr, + be32_to_cpu(op_head->oh_len), + continued); + break; + } + case XFS_LI_RUD: { + skip = xlog_print_trans_rud(&ptr, + be32_to_cpu(op_head->oh_len)); + break; + } case XFS_LI_QUOTAOFF: { skip = xlog_print_trans_qoff(&ptr, be32_to_cpu(op_head->oh_len)); diff --git a/logprint/log_print_all.c b/logprint/log_print_all.c index 4d92c3b..0fe354b 100644 --- a/logprint/log_print_all.c +++ b/logprint/log_print_all.c @@ -408,6 +408,12 @@ xlog_recover_print_logitem( case XFS_LI_EFI: xlog_recover_print_efi(item); break; + case XFS_LI_RUD: + xlog_recover_print_rud(item); + break; + case XFS_LI_RUI: + xlog_recover_print_rui(item); + break; case XFS_LI_DQUOT: xlog_recover_print_dquot(item); break; @@ -442,6 +448,12 @@ xlog_recover_print_item( case XFS_LI_EFI: printf("EFI"); break; + case XFS_LI_RUD: + printf("RUD"); + break; + case XFS_LI_RUI: + printf("RUI"); + break; case XFS_LI_DQUOT: printf("DQ "); break; diff --git a/logprint/log_redo.c b/logprint/log_redo.c index d60cc1b..717dccd 100644 --- a/logprint/log_redo.c +++ b/logprint/log_redo.c @@ -229,3 +229,155 @@ xlog_recover_print_efd( f->efd_size, f->efd_nextents, (unsigned long long)f->efd_efi_id); } + +/* Reverse Mapping Update Items */ + +static int +xfs_rui_copy_format( + char *buf, + uint len, + struct xfs_rui_log_format *dst_fmt, + int continued) +{ + uint nextents = ((struct xfs_rui_log_format *)buf)->rui_nextents; + uint dst_len = sizeof(struct xfs_rui_log_format) + + (nextents - 1) * sizeof(struct xfs_map_extent); + + if (len == dst_len || continued) { + memcpy((char *)dst_fmt, buf, len); + return 0; + } + fprintf(stderr, _("%s: bad size of RUI format: %u; expected %u; nextents = %u\n"), + progname, len, dst_len, nextents); + return 1; +} + +int +xlog_print_trans_rui( + char **ptr, + uint src_len, + int continued) +{ + struct xfs_rui_log_format *src_f, *f = NULL; + uint dst_len; + uint nextents; + struct xfs_map_extent *ex; + int i; + int error = 0; + int core_size; + + core_size = offsetof(struct xfs_rui_log_format, rui_extents); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * struct xfs_rui_log_format structure + */ + src_f = malloc(src_len); + if (src_f == NULL) { + fprintf(stderr, _("%s: %s: malloc failed\n"), + progname, __func__); + exit(1); + } + memmove((char*)src_f, *ptr, src_len); + *ptr += src_len; + + /* convert to native format */ + nextents = src_f->rui_nextents; + dst_len = sizeof(struct xfs_rui_log_format) + + (nextents - 1) * sizeof(struct xfs_map_extent); + + if (continued && src_len < core_size) { + printf(_("RUI: Not enough data to decode further\n")); + error = 1; + goto error; + } + + f = malloc(dst_len); + if (f == NULL) { + fprintf(stderr, _("%s: %s: malloc failed\n"), + progname, __func__); + exit(1); + } + if (xfs_rui_copy_format((char *)src_f, src_len, f, continued)) { + error = 1; + goto error; + } + + printf(_("RUI: #regs: %d num_extents: %d id: 0x%llx\n"), + f->rui_size, f->rui_nextents, (unsigned long long)f->rui_id); + + if (continued) { + printf(_("RUI extent data skipped (CONTINUE set, no space)\n")); + goto error; + } + + ex = f->rui_extents; + for (i=0; i < f->rui_nextents; i++) { + printf("(s: 0x%llx, l: %d, own: %lld, off: %llu, f: 0x%x) ", + (unsigned long long)ex->me_startblock, ex->me_len, + (long long)ex->me_owner, + (unsigned long long)ex->me_startoff, ex->me_flags); + printf("\n"); + ex++; + } +error: + free(src_f); + free(f); + return error; +} + +void +xlog_recover_print_rui( + struct xlog_recover_item *item) +{ + char *src_f; + uint src_len; + + src_f = item->ri_buf[0].i_addr; + src_len = item->ri_buf[0].i_len; + + xlog_print_trans_rui(&src_f, src_len, 0); +} + +int +xlog_print_trans_rud( + char **ptr, + uint len) +{ + struct xfs_rud_log_format *f; + struct xfs_rud_log_format lbuf; + + /* size without extents at end */ + uint core_size = sizeof(struct xfs_rud_log_format) - + sizeof(struct xfs_map_extent); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * xfs_efd_log_format_t structure + */ + memmove(&lbuf, *ptr, MIN(core_size, len)); + f = &lbuf; + *ptr += len; + if (len >= core_size) { + printf(_("RUD: #regs: %d num_extents: %d id: 0x%llx\n"), + f->rud_size, f->rud_nextents, + (unsigned long long)f->rud_rui_id); + + /* don't print extents as they are not used */ + + return 0; + } else { + printf(_("RUD: Not enough data to decode further\n")); + return 1; + } +} + +void +xlog_recover_print_rud( + struct xlog_recover_item *item) +{ + char *f; + + f = item->ri_buf[0].i_addr; + xlog_print_trans_rud(&f, sizeof(struct xfs_rud_log_format)); +} diff --git a/logprint/logprint.h b/logprint/logprint.h index 517e852..0c03c08 100644 --- a/logprint/logprint.h +++ b/logprint/logprint.h @@ -51,4 +51,9 @@ extern void xlog_recover_print_efi(xlog_recover_item_t *item); extern int xlog_print_trans_efd(char **ptr, uint len); extern void xlog_recover_print_efd(xlog_recover_item_t *item); +extern int xlog_print_trans_rui(char **ptr, uint src_len, int continued); +extern void xlog_recover_print_rui(struct xlog_recover_item *item); +extern int xlog_print_trans_rud(char **ptr, uint len); +extern void xlog_recover_print_rud(struct xlog_recover_item *item); + #endif /* LOGPRINT_H */ From darrick.wong@oracle.com Thu Jun 16 20:36:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FILL_THIS_FORM_SHORT, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D6D0981EF for ; Thu, 16 Jun 2016 20:36:49 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 61C4AAC001 for ; Thu, 16 Jun 2016 18:36:49 -0700 (PDT) X-ASG-Debug-ID: 1466127405-04bdf01e1396270001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id BU02LTlNu960HGim (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:46 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1afkk005407 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:41 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1afv9006286 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:41 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1aeP9028484; Fri, 17 Jun 2016 01:36:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:39 -0700 Subject: [PATCH 056/145] xfs_repair: use rmap btree data to check block types From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 056/145] xfs_repair: use rmap btree data to check block types To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:36:38 -0700 Message-ID: <146612739837.16048.298748241780582843.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127406 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 16063 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Dave Chinner Use the rmap btree to pre-populate the block type information so that when repair iterates the primary metadata, we can confirm the block type. Ensure that we remove the flag bits from blockcount before using the length field. Signed-off-by: Dave Chinner [darrick.wong@oracle.com: split patch, strip flag bits from blockcount] Signed-off-by: Darrick J. Wong --- repair/dinode.c | 6 + repair/incore.h | 16 +- repair/scan.c | 356 ++++++++++++++++++++++++++++++++++++++++++++++++--- repair/xfs_repair.c | 2 4 files changed, 351 insertions(+), 29 deletions(-) diff --git a/repair/dinode.c b/repair/dinode.c index cbd4305..c1e60ff 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -744,6 +744,7 @@ _("%s fork in ino %" PRIu64 " claims dup extent, " _("%s fork in ino %" PRIu64 " claims free block %" PRIu64 "\n"), forkname, ino, (__uint64_t) b); /* fall through ... */ + case XR_E_INUSE1: /* seen by rmap */ case XR_E_UNKNOWN: set_bmap_ext(agno, agbno, blen, XR_E_INUSE); break; @@ -751,6 +752,11 @@ _("%s fork in ino %" PRIu64 " claims free block %" PRIu64 "\n"), case XR_E_BAD_STATE: do_error(_("bad state in block map %" PRIu64 "\n"), b); + case XR_E_FS_MAP1: + case XR_E_INO1: + case XR_E_INUSE_FS1: + do_warn(_("rmap claims metadata use!\n")); + /* fall through */ case XR_E_FS_MAP: case XR_E_INO: case XR_E_INUSE_FS: diff --git a/repair/incore.h b/repair/incore.h index c92475e..bc0810b 100644 --- a/repair/incore.h +++ b/repair/incore.h @@ -102,17 +102,11 @@ typedef struct rt_extent_tree_node { #define XR_E_MULT 5 /* extent is multiply referenced */ #define XR_E_INO 6 /* extent used by inodes (inode blocks) */ #define XR_E_FS_MAP 7 /* extent used by fs space/inode maps */ -#define XR_E_BAD_STATE 8 - -/* extent states, in 64 bit word chunks */ -#define XR_E_UNKNOWN_LL 0x0000000000000000LL -#define XR_E_FREE1_LL 0x1111111111111111LL -#define XR_E_FREE_LL 0x2222222222222222LL -#define XR_E_INUSE_LL 0x3333333333333333LL -#define XR_E_INUSE_FS_LL 0x4444444444444444LL -#define XR_E_MULT_LL 0x5555555555555555LL -#define XR_E_INO_LL 0x6666666666666666LL -#define XR_E_FS_MAP_LL 0x7777777777777777LL +#define XR_E_INUSE1 8 /* used block (marked by rmap btree) */ +#define XR_E_INUSE_FS1 9 /* used by fs ag header or log (rmap btree) */ +#define XR_E_INO1 10 /* used by inodes (marked by rmap btree) */ +#define XR_E_FS_MAP1 11 /* used by fs space/inode maps (rmap btree) */ +#define XR_E_BAD_STATE 12 /* separate state bit, OR'ed into high (4th) bit of ex_state field */ diff --git a/repair/scan.c b/repair/scan.c index 964ff06..eb23685 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -44,6 +44,7 @@ struct aghdr_cnts { __uint32_t agicount; __uint32_t agifreecount; __uint64_t fdblocks; + __uint64_t usedblocks; __uint64_t ifreecount; __uint32_t fibtfreecount; }; @@ -308,6 +309,13 @@ _("bad back (left) sibling pointer (saw %llu should be NULL (0))\n" pthread_mutex_lock(&ag_locks[agno].lock); state = get_bmap(agno, agbno); switch (state) { + case XR_E_INUSE1: + /* + * block was claimed as in use data by the rmap + * btree, but has not been found in the data extent + * map for the inode. That means this bmbt block hasn't + * yet been claimed as in use, which means -it's ours- + */ case XR_E_UNKNOWN: case XR_E_FREE1: case XR_E_FREE: @@ -764,6 +772,272 @@ ino_issparse( return xfs_inobt_is_sparse_disk(rp, offset); } +static void +scan_rmapbt( + struct xfs_btree_block *block, + int level, + xfs_agblock_t bno, + xfs_agnumber_t agno, + int suspect, + int isroot, + __uint32_t magic, + void *priv) +{ + struct aghdr_cnts *agcnts = priv; + const char *name = "rmap"; + int i; + xfs_rmap_ptr_t *pp; + struct xfs_rmap_rec *rp; + int hdr_errors = 0; + int numrecs; + int state; + xfs_agblock_t lastblock = 0; + int64_t lastowner = 0; + int64_t lastoffset = 0; + + if (magic != XFS_RMAP_CRC_MAGIC) { + name = "(unknown)"; + assert(0); + } + + if (be32_to_cpu(block->bb_magic) != magic) { + do_warn(_("bad magic # %#x in bt%s block %d/%d\n"), + be32_to_cpu(block->bb_magic), name, agno, bno); + hdr_errors++; + if (suspect) + return; + } + + /* + * All RMAP btree blocks except the roots are freed for a + * fully empty filesystem, thus they are counted towards the + * free data block counter. + */ + if (!isroot) { + agcnts->agfbtreeblks++; + agcnts->fdblocks++; + } + + if (be16_to_cpu(block->bb_level) != level) { + do_warn(_("expected level %d got %d in bt%s block %d/%d\n"), + level, be16_to_cpu(block->bb_level), name, agno, bno); + hdr_errors++; + if (suspect) + return; + } + + /* check for btree blocks multiply claimed */ + state = get_bmap(agno, bno); + if (!(state == XR_E_UNKNOWN || state == XR_E_FS_MAP1)) { + set_bmap(agno, bno, XR_E_MULT); + do_warn( +_("%s rmap btree block claimed (state %d), agno %d, bno %d, suspect %d\n"), + name, state, agno, bno, suspect); + return; + } + set_bmap(agno, bno, XR_E_FS_MAP); + + numrecs = be16_to_cpu(block->bb_numrecs); + if (level == 0) { + if (numrecs > mp->m_rmap_mxr[0]) { + numrecs = mp->m_rmap_mxr[0]; + hdr_errors++; + } + if (isroot == 0 && numrecs < mp->m_rmap_mnr[0]) { + numrecs = mp->m_rmap_mnr[0]; + hdr_errors++; + } + + if (hdr_errors) { + do_warn( + _("bad btree nrecs (%u, min=%u, max=%u) in bt%s block %u/%u\n"), + be16_to_cpu(block->bb_numrecs), + mp->m_rmap_mnr[0], mp->m_rmap_mxr[0], + name, agno, bno); + suspect++; + } + + rp = XFS_RMAP_REC_ADDR(block, 1); + for (i = 0; i < numrecs; i++) { + xfs_agblock_t b, end; + xfs_extlen_t len, blen; + int64_t owner, offset; + + b = be32_to_cpu(rp[i].rm_startblock); + len = be32_to_cpu(rp[i].rm_blockcount); + owner = be64_to_cpu(rp[i].rm_owner); + offset = be64_to_cpu(rp[i].rm_offset); + end = b + len; + + /* Make sure agbno & len make sense. */ + if (!verify_agbno(mp, agno, b)) { + do_warn( + _("invalid start block %u in record %u of %s btree block %u/%u\n"), + b, i, name, agno, bno); + continue; + } + if (len == 0 || !verify_agbno(mp, agno, end - 1)) { + do_warn( + _("invalid length %u in record %u of %s btree block %u/%u\n"), + len, i, name, agno, bno); + continue; + } + + /* Look for impossible owners. */ + if (!(owner > 0 || (owner > XFS_RMAP_OWN_MIN && + owner <= XFS_RMAP_OWN_FS))) + do_warn( + _("invalid owner in rmap btree record %d (%"PRId64" %u) block %u/%u\n"), + i, owner, len, agno, bno); + + /* Check for out of order records. */ + if (i == 0) { +advance: + lastblock = b; + lastowner = owner; + lastoffset = offset; + } else { + bool bad; + + bad = b <= lastblock; + if (bad) + do_warn( + _("out-of-order rmap btree record %d (%u %"PRId64" %"PRIx64" %u) block %u/%u\n"), + i, b, owner, offset, len, agno, bno); + else + goto advance; + } + + /* Check for block owner collisions. */ + for ( ; b < end; b += blen) { + state = get_bmap_ext(agno, b, end, &blen); + switch (state) { + case XR_E_UNKNOWN: + switch (owner) { + case XFS_RMAP_OWN_FS: + case XFS_RMAP_OWN_LOG: + set_bmap(agno, b, XR_E_INUSE_FS1); + break; + case XFS_RMAP_OWN_AG: + case XFS_RMAP_OWN_INOBT: + set_bmap(agno, b, XR_E_FS_MAP1); + break; + case XFS_RMAP_OWN_INODES: + set_bmap(agno, b, XR_E_INO1); + break; + case XFS_RMAP_OWN_NULL: + /* still unknown */ + break; + default: + /* file data */ + set_bmap(agno, b, XR_E_INUSE1); + break; + } + break; + case XR_E_INUSE_FS: + if (owner == XFS_RMAP_OWN_FS || + owner == XFS_RMAP_OWN_LOG) + break; + do_warn( +_("Static meta block (%d,%d-%d) mismatch in %s tree, state - %d,%" PRIx64 "\n"), + agno, b, b + blen - 1, + name, state, owner); + break; + case XR_E_FS_MAP: + if (owner == XFS_RMAP_OWN_AG || + owner == XFS_RMAP_OWN_INOBT) + break; + do_warn( +_("AG meta block (%d,%d-%d) mismatch in %s tree, state - %d,%" PRIx64 "\n"), + agno, b, b + blen - 1, + name, state, owner); + break; + case XR_E_INO: + if (owner == XFS_RMAP_OWN_INODES) + break; + do_warn( +_("inode block (%d,%d-%d) mismatch in %s tree, state - %d,%" PRIx64 "\n"), + agno, b, b + blen - 1, + name, state, owner); + break; + case XR_E_INUSE: + if (owner >= 0 && + owner < mp->m_sb.sb_dblocks) + break; + do_warn( +_("in use block (%d,%d-%d) mismatch in %s tree, state - %d,%" PRIx64 "\n"), + agno, b, b + blen - 1, + name, state, owner); + break; + case XR_E_FREE1: + case XR_E_FREE: + /* + * May be on the AGFL. If not, they'll + * be caught later. + */ + break; + default: + do_warn( +_("unknown block (%d,%d-%d) mismatch on %s tree, state - %d,%" PRIx64 "\n"), + agno, b, b + blen - 1, + name, state, owner); + break; + } + } + } + return; + } + + /* + * interior record + */ + pp = XFS_RMAP_PTR_ADDR(block, 1, mp->m_rmap_mxr[1]); + + if (numrecs > mp->m_rmap_mxr[1]) { + numrecs = mp->m_rmap_mxr[1]; + hdr_errors++; + } + if (isroot == 0 && numrecs < mp->m_rmap_mnr[1]) { + numrecs = mp->m_rmap_mnr[1]; + hdr_errors++; + } + + /* + * don't pass bogus tree flag down further if this block + * looked ok. bail out if two levels in a row look bad. + */ + if (hdr_errors) { + do_warn( + _("bad btree nrecs (%u, min=%u, max=%u) in bt%s block %u/%u\n"), + be16_to_cpu(block->bb_numrecs), + mp->m_rmap_mnr[1], mp->m_rmap_mxr[1], + name, agno, bno); + if (suspect) + return; + suspect++; + } else if (suspect) { + suspect = 0; + } + + for (i = 0; i < numrecs; i++) { + xfs_agblock_t bno = be32_to_cpu(pp[i]); + + /* + * XXX - put sibling detection right here. + * we know our sibling chain is good. So as we go, + * we check the entry before and after each entry. + * If either of the entries references a different block, + * check the sibling pointer. If there's a sibling + * pointer mismatch, try and extract as much data + * as possible. + */ + if (bno != 0 && verify_agbno(mp, agno, bno)) { + scan_sbtree(bno, level, agno, suspect, scan_rmapbt, 0, + magic, priv, &xfs_rmapbt_buf_ops); + } + } +} + /* * The following helpers are to help process and validate individual on-disk * inode btree records. We have two possible inode btrees with slightly @@ -976,20 +1250,27 @@ scan_single_ino_chunk( agbno = XFS_AGINO_TO_AGBNO(mp, ino + j); state = get_bmap(agno, agbno); - if (state == XR_E_UNKNOWN) { - set_bmap(agno, agbno, XR_E_INO); - } else if (state == XR_E_INUSE_FS && agno == 0 && - ino + j >= first_prealloc_ino && - ino + j < last_prealloc_ino) { + switch (state) { + case XR_E_INO: + break; + case XR_E_UNKNOWN: + case XR_E_INO1: /* seen by rmap */ set_bmap(agno, agbno, XR_E_INO); - } else { + break; + case XR_E_INUSE_FS: + case XR_E_INUSE_FS1: + if (agno == 0 && + ino + j >= first_prealloc_ino && + ino + j < last_prealloc_ino) { + set_bmap(agno, agbno, XR_E_INO); + break; + } + /* fall through */ + default: + /* XXX - maybe should mark block a duplicate */ do_warn( _("inode chunk claims used block, inobt block - agno %d, bno %d, inopb %d\n"), agno, agbno, mp->m_sb.sb_inopblock); - /* - * XXX - maybe should mark - * block a duplicate - */ return ++suspect; } } @@ -1099,19 +1380,35 @@ _("sparse inode chunk claims inode block, finobt block - agno %d, bno %d, inopb continue; } - if (state == XR_E_INO) { - continue; - } else if ((state == XR_E_UNKNOWN) || - (state == XR_E_INUSE_FS && agno == 0 && - ino + j >= first_prealloc_ino && - ino + j < last_prealloc_ino)) { + switch (state) { + case XR_E_INO: + break; + case XR_E_INO1: /* seen by rmap */ + set_bmap(agno, agbno, XR_E_INO); + break; + case XR_E_UNKNOWN: do_warn( _("inode chunk claims untracked block, finobt block - agno %d, bno %d, inopb %d\n"), agno, agbno, mp->m_sb.sb_inopblock); set_bmap(agno, agbno, XR_E_INO); suspect++; - } else { + break; + case XR_E_INUSE_FS: + case XR_E_INUSE_FS1: + if (agno == 0 && + ino + j >= first_prealloc_ino && + ino + j < last_prealloc_ino) { + do_warn( +_("inode chunk claims untracked block, finobt block - agno %d, bno %d, inopb %d\n"), + agno, agbno, mp->m_sb.sb_inopblock); + + set_bmap(agno, agbno, XR_E_INO); + suspect++; + break; + } + /* fall through */ + default: do_warn( _("inode chunk claims used block, finobt block - agno %d, bno %d, inopb %d\n"), agno, agbno, mp->m_sb.sb_inopblock); @@ -1280,6 +1577,7 @@ scan_inobt( */ state = get_bmap(agno, bno); switch (state) { + case XR_E_FS_MAP1: /* already been seen by an rmap scan */ case XR_E_UNKNOWN: case XR_E_FREE1: case XR_E_FREE: @@ -1420,7 +1718,7 @@ scan_freelist( if (XFS_SB_BLOCK(mp) != XFS_AGFL_BLOCK(mp) && XFS_AGF_BLOCK(mp) != XFS_AGFL_BLOCK(mp) && XFS_AGI_BLOCK(mp) != XFS_AGFL_BLOCK(mp)) - set_bmap(agno, XFS_AGFL_BLOCK(mp), XR_E_FS_MAP); + set_bmap(agno, XFS_AGFL_BLOCK(mp), XR_E_INUSE_FS); if (be32_to_cpu(agf->agf_flcount) == 0) return; @@ -1505,6 +1803,19 @@ validate_agf( bno, agno); } + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + bno = be32_to_cpu(agf->agf_roots[XFS_BTNUM_RMAP]); + if (bno != 0 && verify_agbno(mp, agno, bno)) { + scan_sbtree(bno, + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]), + agno, 0, scan_rmapbt, 1, XFS_RMAP_CRC_MAGIC, + agcnts, &xfs_rmapbt_buf_ops); + } else { + do_warn(_("bad agbno %u for rmapbt root, agno %d\n"), + bno, agno); + } + } + if (be32_to_cpu(agf->agf_freeblks) != agcnts->agffreeblks) { do_warn(_("agf_freeblks %u, counted %u in ag %u\n"), be32_to_cpu(agf->agf_freeblks), agcnts->agffreeblks, agno); @@ -1520,6 +1831,7 @@ validate_agf( do_warn(_("agf_btreeblks %u, counted %" PRIu64 " in ag %u\n"), be32_to_cpu(agf->agf_btreeblks), agcnts->agfbtreeblks, agno); } + } static void @@ -1759,6 +2071,7 @@ scan_ags( __uint64_t fdblocks = 0; __uint64_t icount = 0; __uint64_t ifreecount = 0; + __uint64_t usedblocks = 0; xfs_agnumber_t i; work_queue_t wq; @@ -1781,6 +2094,7 @@ scan_ags( fdblocks += agcnts[i].fdblocks; icount += agcnts[i].agicount; ifreecount += agcnts[i].ifreecount; + usedblocks += agcnts[i].usedblocks; } free(agcnts); @@ -1802,4 +2116,10 @@ scan_ags( do_warn(_("sb_fdblocks %" PRIu64 ", counted %" PRIu64 "\n"), mp->m_sb.sb_fdblocks, fdblocks); } + + if (usedblocks && + usedblocks != mp->m_sb.sb_dblocks - fdblocks) { + do_warn(_("used blocks %" PRIu64 ", counted %" PRIu64 "\n"), + mp->m_sb.sb_dblocks - fdblocks, usedblocks); + } } diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c index 9d91f2d..709c0c3 100644 --- a/repair/xfs_repair.c +++ b/repair/xfs_repair.c @@ -417,6 +417,8 @@ calc_mkfs(xfs_mount_t *mp) fino_bno = inobt_root + (2 * min(2, mp->m_ag_maxlevels)) + 1; if (xfs_sb_version_hasfinobt(&mp->m_sb)) fino_bno++; + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + fino_bno++; /* * If the log is allocated in the first allocation group we need to From darrick.wong@oracle.com Thu Jun 16 20:36:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9F4B481BA for ; Thu, 16 Jun 2016 20:36:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 633E48F804B for ; Thu, 16 Jun 2016 18:36:55 -0700 (PDT) X-ASG-Debug-ID: 1466127413-04cb6c542557fe0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id uImDyEgrKaLK1vQc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:54 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1anwe005473 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:36:50 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1amFp032072 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:49 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1akDG011236; Fri, 17 Jun 2016 01:36:47 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:46 -0700 Subject: [PATCH 057/145] xfs_repair: fix fino_bno calculation when rmapbt is enabled From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 057/145] xfs_repair: fix fino_bno calculation when rmapbt is enabled To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:36:44 -0700 Message-ID: <146612740486.16048.16298066777909039562.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127414 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1042 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines In xfs_repair, we calculate where we think mkfs put the root inode block. However, the rmapbt component doesn't account for the fact that mkfs reserved 2 AGFL blocks for the rmapbt, so its calculation is off by a bit. This leads to it complaining (incorrectly) about the root inode block being in the wrong place and blowing up. Signed-off-by: Darrick J. Wong --- repair/xfs_repair.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c index 709c0c3..3b63754 100644 --- a/repair/xfs_repair.c +++ b/repair/xfs_repair.c @@ -417,8 +417,10 @@ calc_mkfs(xfs_mount_t *mp) fino_bno = inobt_root + (2 * min(2, mp->m_ag_maxlevels)) + 1; if (xfs_sb_version_hasfinobt(&mp->m_sb)) fino_bno++; - if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + fino_bno += min(2, mp->m_rmap_maxlevels); fino_bno++; + } /* * If the log is allocated in the first allocation group we need to From darrick.wong@oracle.com Thu Jun 16 20:37:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1B4EB8201 for ; Thu, 16 Jun 2016 20:37:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 78399AC001 for ; Thu, 16 Jun 2016 18:37:02 -0700 (PDT) X-ASG-Debug-ID: 1466127419-04cbb01fee6a210001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id nv04VHDhzHuGZ57v (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:36:59 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1asSD005549 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:54 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1arw7001819 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:36:54 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1aqIQ023466; Fri, 17 Jun 2016 01:36:53 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:52 -0700 Subject: [PATCH 058/145] xfs_repair: create a slab API for allocating arrays in large chunks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 058/145] xfs_repair: create a slab API for allocating arrays in large chunks To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:36:51 -0700 Message-ID: <146612741099.16048.10004724516227132773.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127419 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14676 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a slab-based array and a bag-of-pointers data structure to facilitate rapid linear scans of reverse-mapping data for later reconstruction of the refcount and rmap btrees. Signed-off-by: Darrick J. Wong --- repair/Makefile | 4 repair/slab.c | 456 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/slab.h | 60 +++++++ 3 files changed, 518 insertions(+), 2 deletions(-) create mode 100644 repair/slab.c create mode 100644 repair/slab.h diff --git a/repair/Makefile b/repair/Makefile index 251722b..756ba95 100644 --- a/repair/Makefile +++ b/repair/Makefile @@ -11,13 +11,13 @@ LTCOMMAND = xfs_repair HFILES = agheader.h attr_repair.h avl.h avl64.h bmap.h btree.h \ da_util.h dinode.h dir2.h err_protos.h globals.h incore.h protos.h \ - rt.h progress.h scan.h versions.h prefetch.h threads.h + rt.h progress.h scan.h versions.h prefetch.h slab.h threads.h CFILES = agheader.c attr_repair.c avl.c avl64.c bmap.c btree.c \ da_util.c dino_chunks.c dinode.c dir2.c globals.c incore.c \ incore_bmc.c init.c incore_ext.c incore_ino.c phase1.c \ phase2.c phase3.c phase4.c phase5.c phase6.c phase7.c \ - progress.c prefetch.c rt.c sb.c scan.c threads.c \ + progress.c prefetch.c rt.c sb.c scan.c slab.c threads.c \ versions.c xfs_repair.c LLDLIBS = $(LIBXFS) $(LIBXLOG) $(LIBUUID) $(LIBRT) $(LIBPTHREAD) diff --git a/repair/slab.c b/repair/slab.c new file mode 100644 index 0000000..97c13d3 --- /dev/null +++ b/repair/slab.c @@ -0,0 +1,456 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include +#include "slab.h" + +#undef SLAB_DEBUG + +#ifdef SLAB_DEBUG +# define dbg_printf(f, a...) do {printf(f, ## a); fflush(stdout); } while (0) +#else +# define dbg_printf(f, a...) +#endif + +/* + * Slab Arrays and Bags + * + * The slab array is a dynamically growable linear array. Internally it + * maintains a list of slabs of increasing size; when a slab fills up, another + * is allocated. Each slab is sorted individually, which means that one must + * use an iterator to walk the entire logical array, sorted order or otherwise. + * Array items can neither be removed nor accessed randomly, since (at the + * moment) the only user of them (storing reverse mappings) doesn't need either + * piece. Pointers are not stable across sort operations. + * + * A bag is a collection of pointers. The bag can be added to or removed from + * arbitrarily, and the bag items can be iterated. Bags are used to process + * rmaps into refcount btree entries. + */ + +/* + * Slabs -- each slab_hdr holds an array of items; when a slab_hdr fills up, we + * allocate a new one and add to that one. The slab object coordinates the + * slab_hdrs. + */ + +/* Each slab holds at least 4096 items */ +#define MIN_SLAB_NR 4096 +/* and cannot be larger than 128M */ +#define MAX_SLAB_SIZE (128 * 1048576) +struct xfs_slab_hdr { + size_t sh_nr; + size_t sh_inuse; /* items in use */ + struct xfs_slab_hdr *sh_next; /* next slab hdr */ + /* objects follow */ +}; + +struct xfs_slab { + size_t s_item_sz; /* item size */ + size_t s_nr_slabs; /* # of slabs */ + size_t s_nr_items; /* # of items */ + struct xfs_slab_hdr *s_first; /* first slab header */ + struct xfs_slab_hdr *s_last; /* last sh_next pointer */ +}; + +/* + * Slab cursors -- each slab_hdr_cursor tracks a slab_hdr; the slab_cursor + * tracks the slab_hdr_cursors. If a compare_fn is specified, the cursor + * returns objects in increasing order (if you've previously sorted the + * slabs with qsort_slab()). If compare_fn == NULL, it returns slab items + * in order. + */ +struct xfs_slab_hdr_cursor { + struct xfs_slab_hdr *hdr; /* a slab header */ + size_t loc; /* where we are in the slab */ +}; + +typedef int (*xfs_slab_compare_fn)(const void *, const void *); + +struct xfs_slab_cursor { + size_t nr; /* # of per-slab cursors */ + struct xfs_slab *slab; /* pointer to the slab */ + struct xfs_slab_hdr_cursor *last_hcur; /* last header we took from */ + xfs_slab_compare_fn compare_fn; /* compare items */ + struct xfs_slab_hdr_cursor hcur[0]; /* per-slab cursors */ +}; + +/* + * Bags -- each bag is an array of pointers items; when a bag fills up, we + * resize it. + */ +#define MIN_BAG_SIZE 4096 +struct xfs_bag { + size_t bg_nr; /* number of pointers */ + size_t bg_inuse; /* number of slots in use */ + void **bg_ptrs; /* pointers */ +}; +#define BAG_SIZE(nr) (sizeof(struct xfs_bag) + ((nr) * sizeof(void *))) +#define BAG_END(bag) (&(bag)->bg_ptrs[(bag)->bg_nr]) + +/* + * Create a slab to hold some objects of a particular size. + */ +int +init_slab( + struct xfs_slab **slab, + size_t item_size) +{ + struct xfs_slab *ptr; + + ptr = calloc(1, sizeof(struct xfs_slab)); + if (!ptr) + return -ENOMEM; + ptr->s_item_sz = item_size; + ptr->s_last = NULL; + *slab = ptr; + + return 0; +} + +/* + * Frees a slab. + */ +void +free_slab( + struct xfs_slab **slab) +{ + struct xfs_slab *ptr; + struct xfs_slab_hdr *hdr; + struct xfs_slab_hdr *nhdr; + + ptr = *slab; + if (!ptr) + return; + hdr = ptr->s_first; + while (hdr) { + nhdr = hdr->sh_next; + free(hdr); + hdr = nhdr; + } + free(ptr); + *slab = NULL; +} + +static void * +slab_ptr( + struct xfs_slab *slab, + struct xfs_slab_hdr *hdr, + size_t idx) +{ + char *p; + + ASSERT(idx < hdr->sh_inuse); + p = (char *)(hdr + 1); + p += slab->s_item_sz * idx; + return p; +} + +/* + * Add an item to the slab. + */ +int +slab_add( + struct xfs_slab *slab, + void *item) +{ + struct xfs_slab_hdr *hdr; + void *p; + + hdr = slab->s_last; + if (!hdr || hdr->sh_inuse == hdr->sh_nr) { + size_t n; + + n = (hdr ? hdr->sh_nr * 2 : MIN_SLAB_NR); + if (n * slab->s_item_sz > MAX_SLAB_SIZE) + n = MAX_SLAB_SIZE / slab->s_item_sz; + hdr = malloc(sizeof(struct xfs_slab_hdr) + (n * slab->s_item_sz)); + if (!hdr) + return -ENOMEM; + hdr->sh_nr = n; + hdr->sh_inuse = 0; + hdr->sh_next = NULL; + if (slab->s_last) + slab->s_last->sh_next = hdr; + if (!slab->s_first) + slab->s_first = hdr; + slab->s_last = hdr; + slab->s_nr_slabs++; + } + hdr->sh_inuse++; + p = slab_ptr(slab, hdr, hdr->sh_inuse - 1); + memcpy(p, item, slab->s_item_sz); + slab->s_nr_items++; + + return 0; +} + +/* + * Sort the items in the slab. Do not run this method if there are any + * cursors holding on to the slab. + */ +void +qsort_slab( + struct xfs_slab *slab, + int (*compare_fn)(const void *, const void *)) +{ + struct xfs_slab_hdr *hdr; + + hdr = slab->s_first; + while (hdr) { + qsort(slab_ptr(slab, hdr, 0), hdr->sh_inuse, slab->s_item_sz, + compare_fn); + hdr = hdr->sh_next; + } +} + +/* + * init_slab_cursor() -- Create a slab cursor to iterate the slab items. + * + * @slab: The slab. + * @compare_fn: If specified, use this function to return items in ascending order. + * @cur: The new cursor. + */ +int +init_slab_cursor( + struct xfs_slab *slab, + int (*compare_fn)(const void *, const void *), + struct xfs_slab_cursor **cur) +{ + struct xfs_slab_cursor *c; + struct xfs_slab_hdr_cursor *hcur; + struct xfs_slab_hdr *hdr; + + c = malloc(sizeof(struct xfs_slab_cursor) + + (sizeof(struct xfs_slab_hdr_cursor) * slab->s_nr_slabs)); + if (!c) + return -ENOMEM; + c->nr = slab->s_nr_slabs; + c->slab = slab; + c->compare_fn = compare_fn; + c->last_hcur = NULL; + hcur = (struct xfs_slab_hdr_cursor *)(c + 1); + hdr = slab->s_first; + while (hdr) { + hcur->hdr = hdr; + hcur->loc = 0; + hcur++; + hdr = hdr->sh_next; + } + *cur = c; + return 0; +} + +/* + * Free the slab cursor. + */ +void +free_slab_cursor( + struct xfs_slab_cursor **cur) +{ + if (!*cur) + return; + free(*cur); + *cur = NULL; +} + +/* + * Return the smallest item in the slab, without advancing the iterator. + * The slabs must be sorted prior to the creation of the cursor. + */ +void * +peek_slab_cursor( + struct xfs_slab_cursor *cur) +{ + struct xfs_slab_hdr_cursor *hcur; + void *p = NULL; + void *q; + size_t i; + + cur->last_hcur = NULL; + + /* no compare function; inorder traversal */ + if (!cur->compare_fn) { + if (!cur->last_hcur) + cur->last_hcur = &cur->hcur[0]; + hcur = cur->last_hcur; + while (hcur < &cur->hcur[cur->nr] && + hcur->loc >= hcur->hdr->sh_inuse) + hcur++; + if (hcur == &cur->hcur[cur->nr]) + return NULL; + p = slab_ptr(cur->slab, hcur->hdr, hcur->loc); + cur->last_hcur = hcur; + return p; + } + + /* otherwise return things in increasing order */ + for (i = 0, hcur = &cur->hcur[i]; i < cur->nr; i++, hcur++) { + if (hcur->loc >= hcur->hdr->sh_inuse) + continue; + q = slab_ptr(cur->slab, hcur->hdr, hcur->loc); + if (!p || cur->compare_fn(p, q) > 0) { + p = q; + cur->last_hcur = hcur; + } + } + + return p; +} + +/* + * After a peek operation, advance the cursor. + */ +void +advance_slab_cursor( + struct xfs_slab_cursor *cur) +{ + ASSERT(cur->last_hcur); + cur->last_hcur->loc++; +} + +/* + * Retrieve the next item in the slab and advance the cursor. + */ +void * +pop_slab_cursor( + struct xfs_slab_cursor *cur) +{ + void *p; + + p = peek_slab_cursor(cur); + if (p) + advance_slab_cursor(cur); + return p; +} + +/* + * Return the number of items in the slab. + */ +size_t +slab_count( + struct xfs_slab *slab) +{ + return slab->s_nr_items; +} + +/* + * Create a bag to point to some objects. + */ +int +init_bag( + struct xfs_bag **bag) +{ + struct xfs_bag *ptr; + + ptr = calloc(1, sizeof(struct xfs_bag)); + if (!ptr) + return -ENOMEM; + ptr->bg_ptrs = calloc(MIN_BAG_SIZE, sizeof(void *)); + if (!ptr->bg_ptrs) { + free(ptr); + return -ENOMEM; + } + ptr->bg_nr = MIN_BAG_SIZE; + *bag = ptr; + return 0; +} + +/* + * Free a bag of pointers. + */ +void +free_bag( + struct xfs_bag **bag) +{ + struct xfs_bag *ptr; + + ptr = *bag; + if (!ptr) + return; + free(ptr->bg_ptrs); + free(ptr); + *bag = NULL; +} + +/* + * Add an object to the pointer bag. + */ +int +bag_add( + struct xfs_bag *bag, + void *ptr) +{ + void **p, **x; + + p = &bag->bg_ptrs[bag->bg_inuse]; + if (p == BAG_END(bag)) { + /* No free space, alloc more pointers */ + size_t nr; + + nr = bag->bg_nr * 2; + x = realloc(bag->bg_ptrs, nr * sizeof(void *)); + if (!x) + return -ENOMEM; + bag->bg_ptrs = x; + memset(BAG_END(bag), 0, bag->bg_nr * sizeof(void *)); + bag->bg_nr = nr; + } + bag->bg_ptrs[bag->bg_inuse] = ptr; + bag->bg_inuse++; + return 0; +} + +/* + * Remove a pointer from a bag. + */ +int +bag_remove( + struct xfs_bag *bag, + size_t nr) +{ + ASSERT(nr < bag->bg_inuse); + memmove(&bag->bg_ptrs[nr], &bag->bg_ptrs[nr + 1], + (bag->bg_inuse - nr) * sizeof(void *)); + bag->bg_inuse--; + return 0; +} + +/* + * Return the number of items in a bag. + */ +size_t +bag_count( + struct xfs_bag *bag) +{ + return bag->bg_inuse; +} + +/* + * Return the nth item in a bag. + */ +void * +bag_item( + struct xfs_bag *bag, + size_t nr) +{ + if (nr >= bag->bg_inuse) + return NULL; + return bag->bg_ptrs[nr]; +} diff --git a/repair/slab.h b/repair/slab.h new file mode 100644 index 0000000..4aa5512 --- /dev/null +++ b/repair/slab.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef SLAB_H_ +#define SLAB_H_ + +struct xfs_slab; +struct xfs_slab_cursor; + +extern int init_slab(struct xfs_slab **, size_t); +extern void free_slab(struct xfs_slab **); + +extern int slab_add(struct xfs_slab *, void *); +extern void qsort_slab(struct xfs_slab *, int (*)(const void *, const void *)); +extern size_t slab_count(struct xfs_slab *); + +extern int init_slab_cursor(struct xfs_slab *, + int (*)(const void *, const void *), struct xfs_slab_cursor **); +extern void free_slab_cursor(struct xfs_slab_cursor **); + +extern void *peek_slab_cursor(struct xfs_slab_cursor *); +extern void advance_slab_cursor(struct xfs_slab_cursor *); +extern void *pop_slab_cursor(struct xfs_slab_cursor *); + +struct xfs_bag; + +extern int init_bag(struct xfs_bag **); +extern void free_bag(struct xfs_bag **); +extern int bag_add(struct xfs_bag *, void *); +extern int bag_remove(struct xfs_bag *, size_t); +extern size_t bag_count(struct xfs_bag *); +extern void *bag_item(struct xfs_bag *, size_t); + +#define foreach_bag_ptr(bag, idx, ptr) \ + for ((idx) = 0, (ptr) = bag_item((bag), (idx)); \ + (idx) < bag_count(bag); \ + (idx)++, (ptr) = bag_item((bag), (idx))) + +#define foreach_bag_ptr_reverse(bag, idx, ptr) \ + for ((idx) = bag_count(bag) - 1, (ptr) = bag_item((bag), (idx)); \ + (idx) >= 0 && (ptr) != NULL; \ + (idx)--, (ptr) = bag_item((bag), (idx))) + +#endif /* SLAB_H_ */ From darrick.wong@oracle.com Thu Jun 16 20:37:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A62A4820A for ; Thu, 16 Jun 2016 20:37:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 670BD8F804C for ; Thu, 16 Jun 2016 18:37:07 -0700 (PDT) X-ASG-Debug-ID: 1466127424-04bdf01e17962b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id mI65Ot2MiscU8qxL (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:04 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1b0fJ005646 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:00 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1axrC026775 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:00 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1awpR028521; Fri, 17 Jun 2016 01:36:59 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:36:58 -0700 Subject: [PATCH 059/145] xfs_repair: collect reverse-mapping data for refcount/rmap tree rebuilding From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 059/145] xfs_repair: collect reverse-mapping data for refcount/rmap tree rebuilding To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:36:57 -0700 Message-ID: <146612741720.16048.10495862880874161170.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127424 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9888 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Collect reverse-mapping data for the entire filesystem so that we can later check and rebuild the reference count tree and the reverse mapping tree. Signed-off-by: Darrick J. Wong --- repair/Makefile | 4 + repair/dinode.c | 9 ++ repair/phase4.c | 5 + repair/rmap.c | 191 +++++++++++++++++++++++++++++++++++++++++++++++++++ repair/rmap.h | 32 +++++++++ repair/xfs_repair.c | 4 + 6 files changed, 243 insertions(+), 2 deletions(-) create mode 100644 repair/rmap.c create mode 100644 repair/rmap.h diff --git a/repair/Makefile b/repair/Makefile index 756ba95..81c2b9f 100644 --- a/repair/Makefile +++ b/repair/Makefile @@ -11,13 +11,13 @@ LTCOMMAND = xfs_repair HFILES = agheader.h attr_repair.h avl.h avl64.h bmap.h btree.h \ da_util.h dinode.h dir2.h err_protos.h globals.h incore.h protos.h \ - rt.h progress.h scan.h versions.h prefetch.h slab.h threads.h + rt.h progress.h scan.h versions.h prefetch.h rmap.h slab.h threads.h CFILES = agheader.c attr_repair.c avl.c avl64.c bmap.c btree.c \ da_util.c dino_chunks.c dinode.c dir2.c globals.c incore.c \ incore_bmc.c init.c incore_ext.c incore_ino.c phase1.c \ phase2.c phase3.c phase4.c phase5.c phase6.c phase7.c \ - progress.c prefetch.c rt.c sb.c scan.c slab.c threads.c \ + progress.c prefetch.c rmap.c rt.c sb.c scan.c slab.c threads.c \ versions.c xfs_repair.c LLDLIBS = $(LIBXFS) $(LIBXLOG) $(LIBUUID) $(LIBRT) $(LIBPTHREAD) diff --git a/repair/dinode.c b/repair/dinode.c index c1e60ff..89163b1 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -30,6 +30,8 @@ #include "attr_repair.h" #include "bmap.h" #include "threads.h" +#include "slab.h" +#include "rmap.h" /* * gettext lookups for translations of strings use mutexes internally to @@ -779,6 +781,13 @@ _("illegal state %d in block map %" PRIu64 "\n"), state, b); } } + if (collect_rmaps) { /* && !check_dups */ + error = add_rmap(mp, ino, whichfork, &irec); + if (error) + do_error( +_("couldn't add reverse mapping\n") + ); + } *tot += irec.br_blockcount; } error = 0; diff --git a/repair/phase4.c b/repair/phase4.c index 1a7d7b5..b4264df 100644 --- a/repair/phase4.c +++ b/repair/phase4.c @@ -30,7 +30,10 @@ #include "versions.h" #include "dir2.h" #include "progress.h" +#include "slab.h" +#include "rmap.h" +bool collect_rmaps; /* * null out quota inode fields in sb if they point to non-existent inodes. @@ -170,6 +173,8 @@ phase4(xfs_mount_t *mp) int ag_hdr_block; int bstate; + if (needs_rmap_work(mp)) + collect_rmaps = true; ag_hdr_block = howmany(ag_hdr_len, mp->m_sb.sb_blocksize); do_log(_("Phase 4 - check for duplicate blocks...\n")); diff --git a/repair/rmap.c b/repair/rmap.c new file mode 100644 index 0000000..e78115e --- /dev/null +++ b/repair/rmap.c @@ -0,0 +1,191 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include +#include "btree.h" +#include "err_protos.h" +#include "libxlog.h" +#include "incore.h" +#include "globals.h" +#include "dinode.h" +#include "slab.h" +#include "rmap.h" + +#undef RMAP_DEBUG + +#ifdef RMAP_DEBUG +# define dbg_printf(f, a...) do {printf(f, ## a); fflush(stdout); } while (0) +#else +# define dbg_printf(f, a...) +#endif + +/* per-AG rmap object anchor */ +struct xfs_ag_rmap { + struct xfs_slab *ar_rmaps; /* rmap observations, p4 */ +}; + +static struct xfs_ag_rmap *ag_rmaps; + +/* + * Compare rmap observations for array sorting. + */ +static int +rmap_compare( + const void *a, + const void *b) +{ + const struct xfs_rmap_irec *pa; + const struct xfs_rmap_irec *pb; + __u64 oa; + __u64 ob; + + pa = a; pb = b; + oa = xfs_rmap_irec_offset_pack(pa); + ob = xfs_rmap_irec_offset_pack(pb); + + if (pa->rm_startblock < pb->rm_startblock) + return -1; + else if (pa->rm_startblock > pb->rm_startblock) + return 1; + else if (pa->rm_owner < pb->rm_owner) + return -1; + else if (pa->rm_owner > pb->rm_owner) + return 1; + else if (oa < ob) + return -1; + else if (oa > ob) + return 1; + else + return 0; +} + +/* + * Returns true if we must reconstruct either the reference count or reverse + * mapping trees. + */ +bool +needs_rmap_work( + struct xfs_mount *mp) +{ + return xfs_sb_version_hasrmapbt(&mp->m_sb); +} + +/* + * Initialize per-AG reverse map data. + */ +void +init_rmaps( + struct xfs_mount *mp) +{ + xfs_agnumber_t i; + int error; + + if (!needs_rmap_work(mp)) + return; + + ag_rmaps = calloc(mp->m_sb.sb_agcount, sizeof(struct xfs_ag_rmap)); + if (!ag_rmaps) + do_error(_("couldn't allocate per-AG reverse map roots\n")); + + for (i = 0; i < mp->m_sb.sb_agcount; i++) { + error = init_slab(&ag_rmaps[i].ar_rmaps, + sizeof(struct xfs_rmap_irec)); + if (error) + do_error( +_("Insufficient memory while allocating reverse mapping slabs.")); + } +} + +/* + * Free the per-AG reverse-mapping data. + */ +void +free_rmaps( + struct xfs_mount *mp) +{ + xfs_agnumber_t i; + + if (!needs_rmap_work(mp)) + return; + + for (i = 0; i < mp->m_sb.sb_agcount; i++) + free_slab(&ag_rmaps[i].ar_rmaps); + free(ag_rmaps); + ag_rmaps = NULL; +} + +/* + * Add an observation about a block mapping in an inode's data or attribute + * fork for later btree reconstruction. + */ +int +add_rmap( + struct xfs_mount *mp, + xfs_ino_t ino, + int whichfork, + struct xfs_bmbt_irec *irec) +{ + struct xfs_slab *rmaps; + struct xfs_rmap_irec rmap; + xfs_agnumber_t agno; + xfs_agblock_t agbno; + + if (!needs_rmap_work(mp)) + return 0; + + agno = XFS_FSB_TO_AGNO(mp, irec->br_startblock); + agbno = XFS_FSB_TO_AGBNO(mp, irec->br_startblock); + ASSERT(agno != NULLAGNUMBER); + ASSERT(agno < mp->m_sb.sb_agcount); + ASSERT(agbno + irec->br_blockcount <= mp->m_sb.sb_agblocks); + ASSERT(ino != NULLFSINO); + ASSERT(whichfork == XFS_DATA_FORK || whichfork == XFS_ATTR_FORK); + + rmaps = ag_rmaps[agno].ar_rmaps; + rmap.rm_owner = ino; + rmap.rm_offset = irec->br_startoff; + rmap.rm_flags = 0; + if (whichfork == XFS_ATTR_FORK) + rmap.rm_flags |= XFS_RMAP_ATTR_FORK; + rmap.rm_startblock = agbno; + rmap.rm_blockcount = irec->br_blockcount; + if (irec->br_state == XFS_EXT_UNWRITTEN) + rmap.rm_flags |= XFS_RMAP_UNWRITTEN; + return slab_add(rmaps, &rmap); +} + +#ifdef RMAP_DEBUG +static void +dump_rmap( + const char *msg, + xfs_agnumber_t agno, + struct xfs_rmap_irec *rmap) +{ + printf("%s: %p agno=%u pblk=%llu own=%lld lblk=%llu len=%u flags=0x%x\n", + msg, rmap, + (unsigned int)agno, + (unsigned long long)rmap->rm_startblock, + (unsigned long long)rmap->rm_owner, + (unsigned long long)rmap->rm_offset, + (unsigned int)rmap->rm_blockcount, + (unsigned int)rmap->rm_flags); +} +#else +# define dump_rmap(m, a, r) +#endif diff --git a/repair/rmap.h b/repair/rmap.h new file mode 100644 index 0000000..0832790 --- /dev/null +++ b/repair/rmap.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef RMAP_H_ +#define RMAP_H_ + +extern bool collect_rmaps; + +extern bool needs_rmap_work(struct xfs_mount *); + +extern void init_rmaps(struct xfs_mount *); +extern void free_rmaps(struct xfs_mount *); + +extern int add_rmap(struct xfs_mount *, xfs_ino_t, int, struct xfs_bmbt_irec *); + +#endif /* RMAP_H_ */ diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c index 3b63754..2ecd81d 100644 --- a/repair/xfs_repair.c +++ b/repair/xfs_repair.c @@ -32,6 +32,8 @@ #include "threads.h" #include "progress.h" #include "dinode.h" +#include "slab.h" +#include "rmap.h" #define rounddown(x, y) (((x)/(y))*(y)) @@ -898,6 +900,7 @@ main(int argc, char **argv) init_bmaps(mp); incore_ino_init(mp); incore_ext_init(mp); + init_rmaps(mp); /* initialize random globals now that we know the fs geometry */ inodes_per_block = mp->m_sb.sb_inopblock; @@ -931,6 +934,7 @@ main(int argc, char **argv) /* * Done with the block usage maps, toss them... */ + free_rmaps(mp); free_bmaps(mp); if (!bad_ino_btree) { From darrick.wong@oracle.com Thu Jun 16 20:37:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6DA2281C7 for ; Thu, 16 Jun 2016 20:37:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3D55C304048 for ; Thu, 16 Jun 2016 18:37:13 -0700 (PDT) X-ASG-Debug-ID: 1466127430-04cb6c542558000001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 5egZY8jLDAwZBB5D (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1b6cL018504 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:06 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1b5fd027060 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:06 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1b5wl023571; Fri, 17 Jun 2016 01:37:05 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:37:04 -0700 Subject: [PATCH 060/145] xfs_repair: record and merge raw rmap data From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 060/145] xfs_repair: record and merge raw rmap data To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:03 -0700 Message-ID: <146612742343.16048.8981147515226574112.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127430 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5466 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Since we still allow merging of BMBT block, AG metadata, and AG btree block rmaps, provide a facility to collect these raw observations and merge them (with maximal length) into the main rmap list. Signed-off-by: Darrick J. Wong --- repair/rmap.c | 137 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/rmap.h | 4 ++ 2 files changed, 140 insertions(+), 1 deletion(-) diff --git a/repair/rmap.c b/repair/rmap.c index e78115e..1851742 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -38,6 +38,7 @@ /* per-AG rmap object anchor */ struct xfs_ag_rmap { struct xfs_slab *ar_rmaps; /* rmap observations, p4 */ + struct xfs_slab *ar_raw_rmaps; /* unmerged rmaps */ }; static struct xfs_ag_rmap *ag_rmaps; @@ -109,6 +110,11 @@ init_rmaps( if (error) do_error( _("Insufficient memory while allocating reverse mapping slabs.")); + error = init_slab(&ag_rmaps[i].ar_raw_rmaps, + sizeof(struct xfs_rmap_irec)); + if (error) + do_error( +_("Insufficient memory while allocating raw metadata reverse mapping slabs.")); } } @@ -124,13 +130,40 @@ free_rmaps( if (!needs_rmap_work(mp)) return; - for (i = 0; i < mp->m_sb.sb_agcount; i++) + for (i = 0; i < mp->m_sb.sb_agcount; i++) { free_slab(&ag_rmaps[i].ar_rmaps); + free_slab(&ag_rmaps[i].ar_raw_rmaps); + } free(ag_rmaps); ag_rmaps = NULL; } /* + * Decide if two reverse-mapping records can be merged. + */ +bool +mergeable_rmaps( + struct xfs_rmap_irec *r1, + struct xfs_rmap_irec *r2) +{ + if (r1->rm_owner != r2->rm_owner) + return false; + if (r1->rm_startblock + r1->rm_blockcount != r2->rm_startblock) + return false; + if ((unsigned long long)r1->rm_blockcount + r2->rm_blockcount > + XFS_RMAP_LEN_MAX) + return false; + if (XFS_RMAP_NON_INODE_OWNER(r2->rm_owner)) + return true; + /* must be an inode owner below here */ + if (r1->rm_flags != r2->rm_flags) + return false; + if (r1->rm_flags & XFS_RMAP_BMBT_BLOCK) + return true; + return r1->rm_offset + r1->rm_blockcount == r2->rm_offset; +} + +/* * Add an observation about a block mapping in an inode's data or attribute * fork for later btree reconstruction. */ @@ -170,6 +203,108 @@ add_rmap( return slab_add(rmaps, &rmap); } +/* add a raw rmap; these will be merged later */ +static int +__add_raw_rmap( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + xfs_extlen_t len, + uint64_t owner, + bool is_attr, + bool is_bmbt) +{ + struct xfs_rmap_irec rmap; + + ASSERT(len != 0); + rmap.rm_owner = owner; + rmap.rm_offset = 0; + rmap.rm_flags = 0; + if (is_attr) + rmap.rm_flags |= XFS_RMAP_ATTR_FORK; + if (is_bmbt) + rmap.rm_flags |= XFS_RMAP_BMBT_BLOCK; + rmap.rm_startblock = agbno; + rmap.rm_blockcount = len; + return slab_add(ag_rmaps[agno].ar_raw_rmaps, &rmap); +} + +/* + * Add a reverse mapping for a per-AG fixed metadata extent. + */ +int +add_ag_rmap( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + xfs_extlen_t len, + uint64_t owner) +{ + if (!needs_rmap_work(mp)) + return 0; + + ASSERT(agno != NULLAGNUMBER); + ASSERT(agno < mp->m_sb.sb_agcount); + ASSERT(agbno + len <= mp->m_sb.sb_agblocks); + + return __add_raw_rmap(mp, agno, agbno, len, owner, false, false); +} + +/* + * Merge adjacent raw rmaps and add them to the main rmap list. + */ +int +fold_raw_rmaps( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_slab_cursor *cur = NULL; + struct xfs_rmap_irec *prev, *rec; + size_t old_sz; + int error; + + old_sz = slab_count(ag_rmaps[agno].ar_rmaps); + if (slab_count(ag_rmaps[agno].ar_raw_rmaps) == 0) + goto no_raw; + qsort_slab(ag_rmaps[agno].ar_raw_rmaps, rmap_compare); + error = init_slab_cursor(ag_rmaps[agno].ar_raw_rmaps, rmap_compare, + &cur); + if (error) + goto err; + + prev = pop_slab_cursor(cur); + rec = pop_slab_cursor(cur); + while (rec) { + if (mergeable_rmaps(prev, rec)) { + prev->rm_blockcount += rec->rm_blockcount; + rec = pop_slab_cursor(cur); + continue; + } + error = slab_add(ag_rmaps[agno].ar_rmaps, prev); + if (error) + goto err; + prev = rec; + rec = pop_slab_cursor(cur); + } + if (prev) { + error = slab_add(ag_rmaps[agno].ar_rmaps, prev); + if (error) + goto err; + } + free_slab(&ag_rmaps[agno].ar_raw_rmaps); + error = init_slab(&ag_rmaps[agno].ar_raw_rmaps, + sizeof(struct xfs_rmap_irec)); + if (error) + do_error( +_("Insufficient memory while allocating raw metadata reverse mapping slabs.")); +no_raw: + if (old_sz) + qsort_slab(ag_rmaps[agno].ar_rmaps, rmap_compare); +err: + free_slab_cursor(&cur); + return error; +} + #ifdef RMAP_DEBUG static void dump_rmap( diff --git a/repair/rmap.h b/repair/rmap.h index 0832790..ca92623 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -28,5 +28,9 @@ extern void init_rmaps(struct xfs_mount *); extern void free_rmaps(struct xfs_mount *); extern int add_rmap(struct xfs_mount *, xfs_ino_t, int, struct xfs_bmbt_irec *); +extern int add_ag_rmap(struct xfs_mount *, xfs_agnumber_t agno, + xfs_agblock_t agbno, xfs_extlen_t len, uint64_t owner); +extern int fold_raw_rmaps(struct xfs_mount *mp, xfs_agnumber_t agno); +extern bool mergeable_rmaps(struct xfs_rmap_irec *r1, struct xfs_rmap_irec *r2); #endif /* RMAP_H_ */ From darrick.wong@oracle.com Thu Jun 16 20:37:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6C7CC821B for ; Thu, 16 Jun 2016 20:37:20 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 30422304039 for ; Thu, 16 Jun 2016 18:37:20 -0700 (PDT) X-ASG-Debug-ID: 1466127438-04cb6c542758020001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id fuGfpuKC3iJS7zdD (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:18 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1bDXM006183 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:14 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bDdr027209 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); 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Wong" X-ASG-Orig-Subj: [PATCH 061/145] xfs_repair: add inode bmbt block rmaps To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:09 -0700 Message-ID: <146612742957.16048.6189985332126150626.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127438 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2721 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Record BMBT blocks in the raw rmap list. Signed-off-by: Darrick J. Wong --- repair/rmap.c | 26 ++++++++++++++++++++++++++ repair/rmap.h | 1 + repair/scan.c | 11 +++++++++++ 3 files changed, 38 insertions(+) diff --git a/repair/rmap.c b/repair/rmap.c index 1851742..e30e99b 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -230,6 +230,32 @@ __add_raw_rmap( } /* + * Add a reverse mapping for an inode fork's block mapping btree block. + */ +int +add_bmbt_rmap( + struct xfs_mount *mp, + xfs_ino_t ino, + int whichfork, + xfs_fsblock_t fsbno) +{ + xfs_agnumber_t agno; + xfs_agblock_t agbno; + + if (!needs_rmap_work(mp)) + return 0; + + agno = XFS_FSB_TO_AGNO(mp, fsbno); + agbno = XFS_FSB_TO_AGBNO(mp, fsbno); + ASSERT(agno != NULLAGNUMBER); + ASSERT(agno < mp->m_sb.sb_agcount); + ASSERT(agbno + 1 <= mp->m_sb.sb_agblocks); + + return __add_raw_rmap(mp, agno, agbno, 1, ino, + whichfork == XFS_ATTR_FORK, true); +} + +/* * Add a reverse mapping for a per-AG fixed metadata extent. */ int diff --git a/repair/rmap.h b/repair/rmap.h index ca92623..6a3a0a4 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -30,6 +30,7 @@ extern void free_rmaps(struct xfs_mount *); extern int add_rmap(struct xfs_mount *, xfs_ino_t, int, struct xfs_bmbt_irec *); extern int add_ag_rmap(struct xfs_mount *, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t len, uint64_t owner); +extern int add_bmbt_rmap(struct xfs_mount *, xfs_ino_t, int, xfs_fsblock_t); extern int fold_raw_rmaps(struct xfs_mount *mp, xfs_agnumber_t agno); extern bool mergeable_rmaps(struct xfs_rmap_irec *r1, struct xfs_rmap_irec *r2); diff --git a/repair/scan.c b/repair/scan.c index eb23685..6157d71 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -29,6 +29,7 @@ #include "bmap.h" #include "progress.h" #include "threads.h" +#include "rmap.h" static xfs_mount_t *mp = NULL; @@ -197,6 +198,7 @@ scan_bmapbt( xfs_agnumber_t agno; xfs_agblock_t agbno; int state; + int error; /* * unlike the ag freeblock btrees, if anything looks wrong @@ -378,6 +380,15 @@ _("bad state %d, inode %" PRIu64 " bmap block 0x%" PRIx64 "\n"), (*tot)++; numrecs = be16_to_cpu(block->bb_numrecs); + /* Record BMBT blocks in the reverse-mapping data. */ + if (check_dups && collect_rmaps) { + error = add_bmbt_rmap(mp, ino, whichfork, bno); + if (error) + do_error( +_("couldn't add inode %"PRIu64" bmbt block %"PRIu64" reverse-mapping data."), + ino, bno); + } + if (level == 0) { if (numrecs > mp->m_bmap_dmxr[0] || (isroot == 0 && numrecs < mp->m_bmap_dmnr[0])) { From darrick.wong@oracle.com Thu Jun 16 20:37:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id B9A338223 for ; Thu, 16 Jun 2016 20:37:29 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7D047304039 for ; Thu, 16 Jun 2016 18:37:29 -0700 (PDT) X-ASG-Debug-ID: 1466127447-04cbb01fee6a260001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 2LaxOjQLynZurXAm (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:27 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1bNu0006227 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:23 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bMen002732 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:22 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bMLO028794; Fri, 17 Jun 2016 01:37:22 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:37:21 -0700 Subject: [PATCH 062/145] xfs_repair: add fixed-location per-AG rmaps From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 062/145] xfs_repair: add fixed-location per-AG rmaps To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:15 -0700 Message-ID: <146612743563.16048.12801958251253451303.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127447 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4489 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add reverse-mappings for fixed-location per-AG metadata such as inode chunks, superblocks, and the log to the raw rmap list, then merge the raw rmap data (which also has the BMBT data) into the main rmap list. v2: Support sparse inode chunks. Signed-off-by: Darrick J. Wong --- repair/phase4.c | 41 +++++++++++++++++++++++++ repair/rmap.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/rmap.h | 2 + 3 files changed, 135 insertions(+) diff --git a/repair/phase4.c b/repair/phase4.c index b4264df..8880c91 100644 --- a/repair/phase4.c +++ b/repair/phase4.c @@ -157,6 +157,40 @@ process_ags( do_inode_prefetch(mp, ag_stride, process_ag_func, true, false); } +static void +check_rmap_btrees( + work_queue_t *wq, + xfs_agnumber_t agno, + void *arg) +{ + int error; + + error = add_fixed_ag_rmap_data(wq->mp, agno); + if (error) + do_error( +_("unable to add AG %u metadata reverse-mapping data.\n"), agno); + + error = fold_raw_rmaps(wq->mp, agno); + if (error) + do_error( +_("unable to merge AG %u metadata reverse-mapping data.\n"), agno); +} + +static void +process_rmap_data( + struct xfs_mount *mp) +{ + struct work_queue wq; + xfs_agnumber_t i; + + if (!needs_rmap_work(mp)) + return; + + create_work_queue(&wq, mp, libxfs_nproc()); + for (i = 0; i < mp->m_sb.sb_agcount; i++) + queue_work(&wq, check_rmap_btrees, i, NULL); + destroy_work_queue(&wq); +} void phase4(xfs_mount_t *mp) @@ -306,6 +340,13 @@ phase4(xfs_mount_t *mp) * already in phase 3. */ process_ags(mp); + + /* + * Process all the reverse-mapping data that we collected. This + * involves checking the rmap data against the btree. + */ + process_rmap_data(mp); + print_final_rpt(); /* diff --git a/repair/rmap.c b/repair/rmap.c index e30e99b..8f532fb 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -331,6 +331,98 @@ err: return error; } +static int +find_first_zero_bit( + __uint64_t mask) +{ + int n; + int b = 0; + + for (n = 0; n < sizeof(mask) * NBBY && (mask & 1); n++, mask >>= 1) + b++; + + return b; +} + +static int +popcnt( + __uint64_t mask) +{ + int n; + int b = 0; + + if (mask == 0) + return 0; + + for (n = 0; n < sizeof(mask) * NBBY; n++, mask >>= 1) + if (mask & 1) + b++; + + return b; +} + +/* + * Add an allocation group's fixed metadata to the rmap list. This includes + * sb/agi/agf/agfl headers, inode chunks, and the log. + */ +int +add_fixed_ag_rmap_data( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + xfs_fsblock_t fsbno; + xfs_agblock_t agbno; + ino_tree_node_t *ino_rec; + xfs_agino_t agino; + int error; + int startidx; + int nr; + + if (!needs_rmap_work(mp)) + return 0; + + /* sb/agi/agf/agfl headers */ + error = add_ag_rmap(mp, agno, 0, XFS_BNO_BLOCK(mp), + XFS_RMAP_OWN_FS); + if (error) + goto out; + + /* inodes */ + ino_rec = findfirst_inode_rec(agno); + for (; ino_rec != NULL; ino_rec = next_ino_rec(ino_rec)) { + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) { + startidx = find_first_zero_bit(ino_rec->ir_sparse); + nr = XFS_INODES_PER_CHUNK - popcnt(ino_rec->ir_sparse); + } else { + startidx = 0; + nr = XFS_INODES_PER_CHUNK; + } + nr /= mp->m_sb.sb_inopblock; + if (nr == 0) + nr = 1; + agino = ino_rec->ino_startnum + startidx; + agbno = XFS_AGINO_TO_AGBNO(mp, agino); + if (XFS_AGINO_TO_OFFSET(mp, agino) == 0) { + error = add_ag_rmap(mp, agno, agbno, nr, + XFS_RMAP_OWN_INODES); + if (error) + goto out; + } + } + + /* log */ + fsbno = mp->m_sb.sb_logstart; + if (fsbno && XFS_FSB_TO_AGNO(mp, fsbno) == agno) { + agbno = XFS_FSB_TO_AGBNO(mp, mp->m_sb.sb_logstart); + error = add_ag_rmap(mp, agno, agbno, mp->m_sb.sb_logblocks, + XFS_RMAP_OWN_LOG); + if (error) + goto out; + } +out: + return error; +} + #ifdef RMAP_DEBUG static void dump_rmap( diff --git a/repair/rmap.h b/repair/rmap.h index 6a3a0a4..f948f25 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -34,4 +34,6 @@ extern int add_bmbt_rmap(struct xfs_mount *, xfs_ino_t, int, xfs_fsblock_t); extern int fold_raw_rmaps(struct xfs_mount *mp, xfs_agnumber_t agno); extern bool mergeable_rmaps(struct xfs_rmap_irec *r1, struct xfs_rmap_irec *r2); +extern int add_fixed_ag_rmap_data(struct xfs_mount *, xfs_agnumber_t); + #endif /* RMAP_H_ */ From darrick.wong@oracle.com Thu Jun 16 20:37:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5065F8128 for ; Thu, 16 Jun 2016 20:37:39 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0E551304048 for ; Thu, 16 Jun 2016 18:37:38 -0700 (PDT) X-ASG-Debug-ID: 1466127455-04bdf01e13962e0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id fJNjmbGLxcxHAwBg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:35 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1bVRA006289 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:31 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bUpT007378 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:31 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bSW5011446; Fri, 17 Jun 2016 01:37:29 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:37:28 -0700 Subject: [PATCH 063/145] xfs_repair: check existing rmapbt entries against observed rmaps From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 063/145] xfs_repair: check existing rmapbt entries against observed rmaps To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:26 -0700 Message-ID: <146612744678.16048.13958545888765262883.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127455 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14900 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Once we've finished collecting reverse mapping observations from the metadata scan, check those observations against the rmap btree (particularly if we're in -n mode) to detect rmapbt problems. v2: Restructure after moving rmap_irec flags to separate field. v3: Refactor code to prepare to do range queries for reflink. Move unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- repair/phase4.c | 6 + repair/rmap.c | 253 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/rmap.h | 10 ++ repair/scan.c | 104 ++++++++++++++++++++--- 4 files changed, 362 insertions(+), 11 deletions(-) diff --git a/repair/phase4.c b/repair/phase4.c index 8880c91..e234d92 100644 --- a/repair/phase4.c +++ b/repair/phase4.c @@ -174,6 +174,12 @@ _("unable to add AG %u metadata reverse-mapping data.\n"), agno); if (error) do_error( _("unable to merge AG %u metadata reverse-mapping data.\n"), agno); + + error = check_rmaps(wq->mp, agno); + if (error) + do_error( +_("%s while checking reverse-mappings"), + strerror(-error)); } static void diff --git a/repair/rmap.c b/repair/rmap.c index 8f532fb..4648425 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -42,6 +42,7 @@ struct xfs_ag_rmap { }; static struct xfs_ag_rmap *ag_rmaps; +static bool rmapbt_suspect; /* * Compare rmap observations for array sorting. @@ -442,3 +443,255 @@ dump_rmap( #else # define dump_rmap(m, a, r) #endif + +/* + * Return the number of rmap objects for an AG. + */ +size_t +rmap_record_count( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return slab_count(ag_rmaps[agno].ar_rmaps); +} + +/* + * Return a slab cursor that will return rmap objects in order. + */ +int +init_rmap_cursor( + xfs_agnumber_t agno, + struct xfs_slab_cursor **cur) +{ + return init_slab_cursor(ag_rmaps[agno].ar_rmaps, rmap_compare, cur); +} + +/* + * Disable the refcount btree check. + */ +void +rmap_avoid_check(void) +{ + rmapbt_suspect = true; +} + +/* Look for an rmap in the rmapbt that matches a given rmap. */ +static int +lookup_rmap( + struct xfs_btree_cur *bt_cur, + struct xfs_rmap_irec *rm_rec, + struct xfs_rmap_irec *tmp, + int *have) +{ + int error; + + /* Use the regular btree retrieval routine. */ + error = xfs_rmap_lookup_le(bt_cur, rm_rec->rm_startblock, + rm_rec->rm_blockcount, + rm_rec->rm_owner, rm_rec->rm_offset, + rm_rec->rm_flags, have); + if (error) + return error; + if (*have == 0) + return error; + return xfs_rmap_get_rec(bt_cur, tmp, have); +} + +/* Does the btree rmap cover the observed rmap? */ +#define NEXTP(x) ((x)->rm_startblock + (x)->rm_blockcount) +#define NEXTL(x) ((x)->rm_offset + (x)->rm_blockcount) +static bool +is_good_rmap( + struct xfs_rmap_irec *observed, + struct xfs_rmap_irec *btree) +{ + /* Can't have mismatches in the flags or the owner. */ + if (btree->rm_flags != observed->rm_flags || + btree->rm_owner != observed->rm_owner) + return false; + + /* + * Btree record can't physically start after the observed + * record, nor can it end before the observed record. + */ + if (btree->rm_startblock > observed->rm_startblock || + NEXTP(btree) < NEXTP(observed)) + return false; + + /* If this is metadata or bmbt, we're done. */ + if (XFS_RMAP_NON_INODE_OWNER(observed->rm_owner) || + (observed->rm_flags & XFS_RMAP_BMBT_BLOCK)) + return true; + /* + * Btree record can't logically start after the observed + * record, nor can it end before the observed record. + */ + if (btree->rm_offset > observed->rm_offset || + NEXTL(btree) < NEXTL(observed)) + return false; + + return true; +} +#undef NEXTP +#undef NEXTL + +/* + * Compare the observed reverse mappings against what's in the ag btree. + */ +int +check_rmaps( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_slab_cursor *rm_cur; + struct xfs_btree_cur *bt_cur = NULL; + int error; + int have; + struct xfs_buf *agbp = NULL; + struct xfs_rmap_irec *rm_rec; + struct xfs_rmap_irec tmp; + struct xfs_perag *pag; /* per allocation group data */ + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + if (rmapbt_suspect) { + if (no_modify && agno == 0) + do_warn(_("would rebuild corrupt rmap btrees.\n")); + return 0; + } + + /* Create cursors to refcount structures */ + error = init_rmap_cursor(agno, &rm_cur); + if (error) + return error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + goto err; + + /* Leave the per-ag data "uninitialized" since we rewrite it later */ + pag = xfs_perag_get(mp, agno); + pag->pagf_init = 0; + xfs_perag_put(pag); + + bt_cur = xfs_rmapbt_init_cursor(mp, NULL, agbp, agno); + if (!bt_cur) { + error = -ENOMEM; + goto err; + } + + rm_rec = pop_slab_cursor(rm_cur); + while (rm_rec) { + error = lookup_rmap(bt_cur, rm_rec, &tmp, &have); + if (error) + goto err; + if (!have) { + do_warn( +_("Missing reverse-mapping record for (%u/%u) %slen %u owner %"PRId64" \ +%s%soff %"PRIu64"\n"), + agno, rm_rec->rm_startblock, + (rm_rec->rm_flags & XFS_RMAP_UNWRITTEN) ? + _("unwritten ") : "", + rm_rec->rm_blockcount, + rm_rec->rm_owner, + (rm_rec->rm_flags & XFS_RMAP_ATTR_FORK) ? + _("attr ") : "", + (rm_rec->rm_flags & XFS_RMAP_BMBT_BLOCK) ? + _("bmbt ") : "", + rm_rec->rm_offset); + goto next_loop; + } + + /* Compare each refcount observation against the btree's */ + if (!is_good_rmap(rm_rec, &tmp)) { + do_warn( +_("Incorrect reverse-mapping: saw (%u/%u) %slen %u owner %"PRId64" %s%soff \ +%"PRIu64"; should be (%u/%u) %slen %u owner %"PRId64" %s%soff %"PRIu64"\n"), + agno, tmp.rm_startblock, + (tmp.rm_flags & XFS_RMAP_UNWRITTEN) ? + _("unwritten ") : "", + tmp.rm_blockcount, + tmp.rm_owner, + (tmp.rm_flags & XFS_RMAP_ATTR_FORK) ? + _("attr ") : "", + (tmp.rm_flags & XFS_RMAP_BMBT_BLOCK) ? + _("bmbt ") : "", + tmp.rm_offset, + agno, rm_rec->rm_startblock, + (rm_rec->rm_flags & XFS_RMAP_UNWRITTEN) ? + _("unwritten ") : "", + rm_rec->rm_blockcount, + rm_rec->rm_owner, + (rm_rec->rm_flags & XFS_RMAP_ATTR_FORK) ? + _("attr ") : "", + (rm_rec->rm_flags & XFS_RMAP_BMBT_BLOCK) ? + _("bmbt ") : "", + rm_rec->rm_offset); + goto next_loop; + } +next_loop: + rm_rec = pop_slab_cursor(rm_cur); + } + +err: + if (bt_cur) + xfs_btree_del_cursor(bt_cur, XFS_BTREE_NOERROR); + if (agbp) + libxfs_putbuf(agbp); + free_slab_cursor(&rm_cur); + return 0; +} + +/* Compare the key fields of two rmap records. */ +__int64_t +rmap_diffkeys( + struct xfs_rmap_irec *kp1, + struct xfs_rmap_irec *kp2) +{ + __u64 oa; + __u64 ob; + __int64_t d; + struct xfs_rmap_irec tmp; + + tmp = *kp1; + tmp.rm_flags &= ~XFS_RMAP_REC_FLAGS; + oa = xfs_rmap_irec_offset_pack(&tmp); + tmp = *kp2; + tmp.rm_flags &= ~XFS_RMAP_REC_FLAGS; + ob = xfs_rmap_irec_offset_pack(&tmp); + + d = (__int64_t)kp2->rm_startblock - kp1->rm_startblock; + if (d) + return d; + + if (kp2->rm_owner > kp1->rm_owner) + return 1; + else if (kp1->rm_owner > kp2->rm_owner) + return -1; + + if (ob > oa) + return 1; + else if (oa > ob) + return -1; + return 0; +} + +/* Compute the high key of an rmap record. */ +void +rmap_high_key_from_rec( + struct xfs_rmap_irec *rec, + struct xfs_rmap_irec *key) +{ + int adj; + + adj = rec->rm_blockcount - 1; + + key->rm_startblock = rec->rm_startblock + adj; + key->rm_owner = rec->rm_owner; + key->rm_offset = rec->rm_offset; + key->rm_flags = rec->rm_flags & XFS_RMAP_KEY_FLAGS; + if (XFS_RMAP_NON_INODE_OWNER(rec->rm_owner) || + (rec->rm_flags & XFS_RMAP_BMBT_BLOCK)) + return; + key->rm_offset += adj; +} diff --git a/repair/rmap.h b/repair/rmap.h index f948f25..d9d08d4 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -36,4 +36,14 @@ extern bool mergeable_rmaps(struct xfs_rmap_irec *r1, struct xfs_rmap_irec *r2); extern int add_fixed_ag_rmap_data(struct xfs_mount *, xfs_agnumber_t); +extern size_t rmap_record_count(struct xfs_mount *, xfs_agnumber_t); +extern int init_rmap_cursor(xfs_agnumber_t, struct xfs_slab_cursor **); +extern void rmap_avoid_check(void); +extern int check_rmaps(struct xfs_mount *, xfs_agnumber_t); + +extern __int64_t rmap_diffkeys(struct xfs_rmap_irec *kp1, + struct xfs_rmap_irec *kp2); +extern void rmap_high_key_from_rec(struct xfs_rmap_irec *rec, + struct xfs_rmap_irec *key); + #endif /* RMAP_H_ */ diff --git a/repair/scan.c b/repair/scan.c index 6157d71..6106d93 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -29,6 +29,7 @@ #include "bmap.h" #include "progress.h" #include "threads.h" +#include "slab.h" #include "rmap.h" static xfs_mount_t *mp = NULL; @@ -783,6 +784,11 @@ ino_issparse( return xfs_inobt_is_sparse_disk(rp, offset); } +struct rmap_priv { + struct aghdr_cnts *agcnts; + struct xfs_rmap_irec high_key; +}; + static void scan_rmapbt( struct xfs_btree_block *block, @@ -794,21 +800,26 @@ scan_rmapbt( __uint32_t magic, void *priv) { - struct aghdr_cnts *agcnts = priv; const char *name = "rmap"; int i; xfs_rmap_ptr_t *pp; struct xfs_rmap_rec *rp; + struct rmap_priv *rmap_priv = priv; int hdr_errors = 0; int numrecs; int state; xfs_agblock_t lastblock = 0; int64_t lastowner = 0; int64_t lastoffset = 0; + struct xfs_rmap_key *kp; + struct xfs_rmap_irec key; + if (magic != XFS_RMAP_CRC_MAGIC) { name = "(unknown)"; - assert(0); + hdr_errors++; + suspect++; + goto out; } if (be32_to_cpu(block->bb_magic) != magic) { @@ -816,7 +827,7 @@ scan_rmapbt( be32_to_cpu(block->bb_magic), name, agno, bno); hdr_errors++; if (suspect) - return; + goto out; } /* @@ -825,8 +836,8 @@ scan_rmapbt( * free data block counter. */ if (!isroot) { - agcnts->agfbtreeblks++; - agcnts->fdblocks++; + rmap_priv->agcnts->agfbtreeblks++; + rmap_priv->agcnts->fdblocks++; } if (be16_to_cpu(block->bb_level) != level) { @@ -834,7 +845,7 @@ scan_rmapbt( level, be16_to_cpu(block->bb_level), name, agno, bno); hdr_errors++; if (suspect) - return; + goto out; } /* check for btree blocks multiply claimed */ @@ -844,7 +855,7 @@ scan_rmapbt( do_warn( _("%s rmap btree block claimed (state %d), agno %d, bno %d, suspect %d\n"), name, state, agno, bno, suspect); - return; + goto out; } set_bmap(agno, bno, XR_E_FS_MAP); @@ -878,7 +889,20 @@ _("%s rmap btree block claimed (state %d), agno %d, bno %d, suspect %d\n"), len = be32_to_cpu(rp[i].rm_blockcount); owner = be64_to_cpu(rp[i].rm_owner); offset = be64_to_cpu(rp[i].rm_offset); - end = b + len; + + key.rm_flags = 0; + key.rm_startblock = b; + key.rm_blockcount = len; + key.rm_owner = owner; + if (xfs_rmap_irec_offset_unpack(offset, &key)) { + /* Look for impossible flags. */ + do_warn( + _("invalid flags in record %u of %s btree block %u/%u\n"), + i, name, agno, bno); + continue; + } + + end = key.rm_startblock + key.rm_blockcount; /* Make sure agbno & len make sense. */ if (!verify_agbno(mp, agno, b)) { @@ -919,6 +943,18 @@ advance: goto advance; } + /* Check that we don't go past the high key. */ + key.rm_startblock += key.rm_blockcount - 1; + if (!XFS_RMAP_NON_INODE_OWNER(key.rm_owner) && + !(key.rm_flags & XFS_RMAP_BMBT_BLOCK)) + key.rm_offset += key.rm_blockcount - 1; + key.rm_blockcount = 0; + if (rmap_diffkeys(&rmap_priv->high_key, &key) > 0) { + do_warn( + _("record %d greater than high key of block (%u/%u) in %s tree\n"), + i, agno, bno, name); + } + /* Check for block owner collisions. */ for ( ; b < end; b += blen) { state = get_bmap_ext(agno, b, end, &blen); @@ -996,7 +1032,7 @@ _("unknown block (%d,%d-%d) mismatch on %s tree, state - %d,%" PRIx64 "\n"), } } } - return; + goto out; } /* @@ -1024,12 +1060,33 @@ _("unknown block (%d,%d-%d) mismatch on %s tree, state - %d,%" PRIx64 "\n"), mp->m_rmap_mnr[1], mp->m_rmap_mxr[1], name, agno, bno); if (suspect) - return; + goto out; suspect++; } else if (suspect) { suspect = 0; } + /* check the node's high keys */ + for (i = 0; !isroot && i < numrecs; i++) { + kp = XFS_RMAP_HIGH_KEY_ADDR(block, i + 1); + + key.rm_flags = 0; + key.rm_startblock = be32_to_cpu(kp->rm_startblock); + key.rm_owner = be64_to_cpu(kp->rm_owner); + if (xfs_rmap_irec_offset_unpack(be64_to_cpu(kp->rm_offset), + &key)) { + /* Look for impossible flags. */ + do_warn( + _("invalid flags in key %u of %s btree block %u/%u\n"), + i, name, agno, bno); + continue; + } + if (rmap_diffkeys(&rmap_priv->high_key, &key) > 0) + do_warn( + _("key %d greater than high key of block (%u/%u) in %s tree\n"), + i, agno, bno, name); + } + for (i = 0; i < numrecs; i++) { xfs_agblock_t bno = be32_to_cpu(pp[i]); @@ -1042,11 +1099,30 @@ _("unknown block (%d,%d-%d) mismatch on %s tree, state - %d,%" PRIx64 "\n"), * pointer mismatch, try and extract as much data * as possible. */ + kp = XFS_RMAP_HIGH_KEY_ADDR(block, i + 1); + rmap_priv->high_key.rm_flags = 0; + rmap_priv->high_key.rm_startblock = + be32_to_cpu(kp->rm_startblock); + rmap_priv->high_key.rm_owner = + be64_to_cpu(kp->rm_owner); + if (xfs_rmap_irec_offset_unpack(be64_to_cpu(kp->rm_offset), + &rmap_priv->high_key)) { + /* Look for impossible flags. */ + do_warn( + _("invalid flags in high key %u of %s btree block %u/%u\n"), + i, name, agno, bno); + continue; + } + if (bno != 0 && verify_agbno(mp, agno, bno)) { scan_sbtree(bno, level, agno, suspect, scan_rmapbt, 0, magic, priv, &xfs_rmapbt_buf_ops); } } + +out: + if (suspect) + rmap_avoid_check(); } /* @@ -1815,15 +1891,21 @@ validate_agf( } if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + struct rmap_priv priv; + + memset(&priv.high_key, 0xFF, sizeof(priv.high_key)); + priv.high_key.rm_blockcount = 0; + priv.agcnts = agcnts; bno = be32_to_cpu(agf->agf_roots[XFS_BTNUM_RMAP]); if (bno != 0 && verify_agbno(mp, agno, bno)) { scan_sbtree(bno, be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]), agno, 0, scan_rmapbt, 1, XFS_RMAP_CRC_MAGIC, - agcnts, &xfs_rmapbt_buf_ops); + &priv, &xfs_rmapbt_buf_ops); } else { do_warn(_("bad agbno %u for rmapbt root, agno %d\n"), bno, agno); + rmap_avoid_check(); } } From darrick.wong@oracle.com Thu Jun 16 20:37:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DC882814B for ; Thu, 16 Jun 2016 20:37:48 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id AD92B304048 for ; Thu, 16 Jun 2016 18:37:48 -0700 (PDT) X-ASG-Debug-ID: 1466127465-04cb6c542658060001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id wVOAlA1K2pVhaa0C (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:45 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1beJB006378 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:40 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bceu003101 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:38 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bYB2011488; Fri, 17 Jun 2016 01:37:35 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:37:34 -0700 Subject: [PATCH 064/145] xfs_repair: rebuild reverse-mapping btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 064/145] xfs_repair: rebuild reverse-mapping btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:33 -0700 Message-ID: <146612745300.16048.6139548481884641087.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127465 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15062 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Rebuild the reverse-mapping btree with the rmap observations corresponding to file extents, bmbt blocks, and fixed per-AG metadata. v2: Update to use the flags in rm_flags and to support high key updates for the rmapbt. v3: Initialize rm_flags to zero so as to avoid corruption problems later when we stash non-key flags in the offset field. v4: Leave a few empty slots in each rmapbt leaf when we're rebuilding the rmapbt so that we can insert records for the AG metadata blocks without causing too many btree splits. This (hopefully) prevents the situation where running xfs_repair greatly increases the size of the btree. Signed-off-by: Darrick J. Wong --- repair/phase5.c | 407 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 393 insertions(+), 14 deletions(-) diff --git a/repair/phase5.c b/repair/phase5.c index b58111b..bb065ec 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -28,6 +28,8 @@ #include "versions.h" #include "threads.h" #include "progress.h" +#include "slab.h" +#include "rmap.h" /* * we maintain the current slice (path from root to leaf) @@ -1326,6 +1328,359 @@ nextrec: } } +/* rebuild the rmap tree */ + +/* + * we don't have to worry here about how chewing up free extents + * may perturb things because rmap tree building happens before + * freespace tree building. + */ +static void +init_rmapbt_cursor( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct bt_status *btree_curs) +{ + size_t num_recs; + int level; + struct bt_stat_level *lptr; + struct bt_stat_level *p_lptr; + xfs_extlen_t blocks_allocated; + int maxrecs; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) { + memset(btree_curs, 0, sizeof(struct bt_status)); + return; + } + + lptr = &btree_curs->level[0]; + btree_curs->init = 1; + + /* + * build up statistics + */ + num_recs = rmap_record_count(mp, agno); + if (num_recs == 0) { + /* + * easy corner-case -- no rmap records + */ + lptr->num_blocks = 1; + lptr->modulo = 0; + lptr->num_recs_pb = 0; + lptr->num_recs_tot = 0; + + btree_curs->num_levels = 1; + btree_curs->num_tot_blocks = btree_curs->num_free_blocks = 1; + + setup_cursor(mp, agno, btree_curs); + + return; + } + + /* + * Leave enough slack in the rmapbt that we can insert the + * metadata AG entries without too many splits. + */ + maxrecs = mp->m_rmap_mxr[0]; + if (num_recs > maxrecs) + maxrecs -= 10; + blocks_allocated = lptr->num_blocks = howmany(num_recs, maxrecs); + + lptr->modulo = num_recs % lptr->num_blocks; + lptr->num_recs_pb = num_recs / lptr->num_blocks; + lptr->num_recs_tot = num_recs; + level = 1; + + if (lptr->num_blocks > 1) { + for (; btree_curs->level[level-1].num_blocks > 1 + && level < XFS_BTREE_MAXLEVELS; + level++) { + lptr = &btree_curs->level[level]; + p_lptr = &btree_curs->level[level - 1]; + lptr->num_blocks = howmany(p_lptr->num_blocks, + mp->m_rmap_mxr[1]); + lptr->modulo = p_lptr->num_blocks % lptr->num_blocks; + lptr->num_recs_pb = p_lptr->num_blocks + / lptr->num_blocks; + lptr->num_recs_tot = p_lptr->num_blocks; + + blocks_allocated += lptr->num_blocks; + } + } + ASSERT(lptr->num_blocks == 1); + btree_curs->num_levels = level; + + btree_curs->num_tot_blocks = btree_curs->num_free_blocks + = blocks_allocated; + + setup_cursor(mp, agno, btree_curs); +} + +static void +prop_rmap_cursor( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct bt_status *btree_curs, + struct xfs_rmap_irec *rm_rec, + int level) +{ + struct xfs_btree_block *bt_hdr; + struct xfs_rmap_key *bt_key; + xfs_rmap_ptr_t *bt_ptr; + xfs_agblock_t agbno; + struct bt_stat_level *lptr; + + level++; + + if (level >= btree_curs->num_levels) + return; + + lptr = &btree_curs->level[level]; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + + if (be16_to_cpu(bt_hdr->bb_numrecs) == 0) { + /* + * this only happens once to initialize the + * first path up the left side of the tree + * where the agbno's are already set up + */ + prop_rmap_cursor(mp, agno, btree_curs, rm_rec, level); + } + + if (be16_to_cpu(bt_hdr->bb_numrecs) == + lptr->num_recs_pb + (lptr->modulo > 0)) { + /* + * write out current prev block, grab us a new block, + * and set the rightsib pointer of current block + */ +#ifdef XR_BLD_INO_TRACE + fprintf(stderr, " ino prop agbno %d ", lptr->prev_agbno); +#endif + if (lptr->prev_agbno != NULLAGBLOCK) { + ASSERT(lptr->prev_buf_p != NULL); + libxfs_writebuf(lptr->prev_buf_p, 0); + } + lptr->prev_agbno = lptr->agbno; + lptr->prev_buf_p = lptr->buf_p; + agbno = get_next_blockaddr(agno, level, btree_curs); + + bt_hdr->bb_u.s.bb_rightsib = cpu_to_be32(agbno); + + lptr->buf_p = libxfs_getbuf(mp->m_dev, + XFS_AGB_TO_DADDR(mp, agno, agbno), + XFS_FSB_TO_BB(mp, 1)); + lptr->agbno = agbno; + + if (lptr->modulo) + lptr->modulo--; + + /* + * initialize block header + */ + lptr->buf_p->b_ops = &xfs_rmapbt_buf_ops; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + memset(bt_hdr, 0, mp->m_sb.sb_blocksize); + xfs_btree_init_block(mp, lptr->buf_p, XFS_RMAP_CRC_MAGIC, + level, 0, agno, + XFS_BTREE_CRC_BLOCKS); + + bt_hdr->bb_u.s.bb_leftsib = cpu_to_be32(lptr->prev_agbno); + + /* + * propagate extent record for first extent in new block up + */ + prop_rmap_cursor(mp, agno, btree_curs, rm_rec, level); + } + /* + * add inode info to current block + */ + be16_add_cpu(&bt_hdr->bb_numrecs, 1); + + bt_key = XFS_RMAP_KEY_ADDR(bt_hdr, + be16_to_cpu(bt_hdr->bb_numrecs)); + bt_ptr = XFS_RMAP_PTR_ADDR(bt_hdr, + be16_to_cpu(bt_hdr->bb_numrecs), + mp->m_rmap_mxr[1]); + + bt_key->rm_startblock = cpu_to_be32(rm_rec->rm_startblock); + bt_key->rm_owner = cpu_to_be64(rm_rec->rm_owner); + bt_key->rm_offset = cpu_to_be64(rm_rec->rm_offset); + + *bt_ptr = cpu_to_be32(btree_curs->level[level-1].agbno); +} + +static void +prop_rmap_highkey( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct bt_status *btree_curs, + struct xfs_rmap_irec *rm_highkey) +{ + struct xfs_btree_block *bt_hdr; + struct xfs_rmap_key *bt_key; + struct bt_stat_level *lptr; + struct xfs_rmap_irec key; + struct xfs_rmap_irec high_key; + int level; + int i; + int numrecs; + + key.rm_flags = 0; + high_key = *rm_highkey; + for (level = 1; level < btree_curs->num_levels; level++) { + lptr = &btree_curs->level[level]; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + numrecs = be16_to_cpu(bt_hdr->bb_numrecs); + bt_key = XFS_RMAP_HIGH_KEY_ADDR(bt_hdr, numrecs); + + bt_key->rm_startblock = cpu_to_be32(high_key.rm_startblock); + bt_key->rm_owner = cpu_to_be64(high_key.rm_owner); + bt_key->rm_offset = cpu_to_be64( + xfs_rmap_irec_offset_pack(&high_key)); + + for (i = 1; i < numrecs - 1; i++) { + bt_key = XFS_RMAP_HIGH_KEY_ADDR(bt_hdr, i); + key.rm_startblock = be32_to_cpu(bt_key->rm_startblock); + key.rm_owner = be64_to_cpu(bt_key->rm_owner); + key.rm_offset = be64_to_cpu(bt_key->rm_offset); + if (rmap_diffkeys(&high_key, &key) > 0) + high_key = key; + } + } +} + +/* + * rebuilds a rmap btree given a cursor. + */ +static void +build_rmap_tree( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct bt_status *btree_curs) +{ + xfs_agnumber_t i; + xfs_agblock_t j; + xfs_agblock_t agbno; + struct xfs_btree_block *bt_hdr; + struct xfs_rmap_irec *rm_rec; + struct xfs_slab_cursor *rmap_cur; + struct xfs_rmap_rec *bt_rec; + struct xfs_rmap_irec highest_key; + struct xfs_rmap_irec hi_key; + struct bt_stat_level *lptr; + int level = btree_curs->num_levels; + int error; + + highest_key.rm_flags = 0; + for (i = 0; i < level; i++) { + lptr = &btree_curs->level[i]; + + agbno = get_next_blockaddr(agno, i, btree_curs); + lptr->buf_p = libxfs_getbuf(mp->m_dev, + XFS_AGB_TO_DADDR(mp, agno, agbno), + XFS_FSB_TO_BB(mp, 1)); + + if (i == btree_curs->num_levels - 1) + btree_curs->root = agbno; + + lptr->agbno = agbno; + lptr->prev_agbno = NULLAGBLOCK; + lptr->prev_buf_p = NULL; + /* + * initialize block header + */ + + lptr->buf_p->b_ops = &xfs_rmapbt_buf_ops; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + memset(bt_hdr, 0, mp->m_sb.sb_blocksize); + xfs_btree_init_block(mp, lptr->buf_p, XFS_RMAP_CRC_MAGIC, + i, 0, agno, + XFS_BTREE_CRC_BLOCKS); + } + + /* + * run along leaf, setting up records. as we have to switch + * blocks, call the prop_rmap_cursor routine to set up the new + * pointers for the parent. that can recurse up to the root + * if required. set the sibling pointers for leaf level here. + */ + error = init_rmap_cursor(agno, &rmap_cur); + if (error) + do_error( +_("Insufficient memory to construct reverse-map cursor.")); + rm_rec = pop_slab_cursor(rmap_cur); + lptr = &btree_curs->level[0]; + + for (i = 0; i < lptr->num_blocks; i++) { + /* + * block initialization, lay in block header + */ + lptr->buf_p->b_ops = &xfs_rmapbt_buf_ops; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + memset(bt_hdr, 0, mp->m_sb.sb_blocksize); + xfs_btree_init_block(mp, lptr->buf_p, XFS_RMAP_CRC_MAGIC, + 0, 0, agno, + XFS_BTREE_CRC_BLOCKS); + + bt_hdr->bb_u.s.bb_leftsib = cpu_to_be32(lptr->prev_agbno); + bt_hdr->bb_numrecs = cpu_to_be16(lptr->num_recs_pb + + (lptr->modulo > 0)); + + if (lptr->modulo > 0) + lptr->modulo--; + + if (lptr->num_recs_pb > 0) + prop_rmap_cursor(mp, agno, btree_curs, rm_rec, 0); + + bt_rec = (struct xfs_rmap_rec *) + ((char *)bt_hdr + XFS_RMAP_BLOCK_LEN); + highest_key.rm_startblock = 0; + highest_key.rm_owner = 0; + highest_key.rm_offset = 0; + for (j = 0; j < be16_to_cpu(bt_hdr->bb_numrecs); j++) { + ASSERT(rm_rec != NULL); + bt_rec[j].rm_startblock = + cpu_to_be32(rm_rec->rm_startblock); + bt_rec[j].rm_blockcount = + cpu_to_be32(rm_rec->rm_blockcount); + bt_rec[j].rm_owner = cpu_to_be64(rm_rec->rm_owner); + bt_rec[j].rm_offset = cpu_to_be64( + xfs_rmap_irec_offset_pack(rm_rec)); + rmap_high_key_from_rec(rm_rec, &hi_key); + if (rmap_diffkeys(&highest_key, &hi_key) > 0) + highest_key = hi_key; + + rm_rec = pop_slab_cursor(rmap_cur); + } + + /* Now go set the parent key */ + prop_rmap_highkey(mp, agno, btree_curs, &highest_key); + + if (rm_rec != NULL) { + /* + * get next leaf level block + */ + if (lptr->prev_buf_p != NULL) { +#ifdef XR_BLD_RL_TRACE + fprintf(stderr, "writing rmapbt agbno %u\n", + lptr->prev_agbno); +#endif + ASSERT(lptr->prev_agbno != NULLAGBLOCK); + libxfs_writebuf(lptr->prev_buf_p, 0); + } + lptr->prev_buf_p = lptr->buf_p; + lptr->prev_agbno = lptr->agbno; + lptr->agbno = get_next_blockaddr(agno, 0, btree_curs); + bt_hdr->bb_u.s.bb_rightsib = cpu_to_be32(lptr->agbno); + + lptr->buf_p = libxfs_getbuf(mp->m_dev, + XFS_AGB_TO_DADDR(mp, agno, lptr->agbno), + XFS_FSB_TO_BB(mp, 1)); + } + } + free_slab_cursor(&rmap_cur); +} + /* * build both the agf and the agfl for an agno given both * btree cursors. @@ -1333,19 +1688,21 @@ nextrec: * XXX: yet more common code that can be shared with mkfs/growfs. */ static void -build_agf_agfl(xfs_mount_t *mp, - xfs_agnumber_t agno, - bt_status_t *bno_bt, - bt_status_t *bcnt_bt, - xfs_extlen_t freeblks, /* # free blocks in tree */ - int lostblocks) /* # blocks that will be lost */ +build_agf_agfl( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct bt_status *bno_bt, + struct bt_status *bcnt_bt, + xfs_extlen_t freeblks, /* # free blocks in tree */ + int lostblocks, /* # blocks that will be lost */ + struct bt_status *rmap_bt) { - extent_tree_node_t *ext_ptr; - xfs_buf_t *agf_buf, *agfl_buf; + struct extent_tree_node *ext_ptr; + struct xfs_buf *agf_buf, *agfl_buf; int i; int j; - xfs_agfl_t *agfl; - xfs_agf_t *agf; + struct xfs_agfl *agfl; + struct xfs_agf *agf; __be32 *freelist; agf_buf = libxfs_getbuf(mp->m_dev, @@ -1377,20 +1734,25 @@ build_agf_agfl(xfs_mount_t *mp, agf->agf_levels[XFS_BTNUM_BNO] = cpu_to_be32(bno_bt->num_levels); agf->agf_roots[XFS_BTNUM_CNT] = cpu_to_be32(bcnt_bt->root); agf->agf_levels[XFS_BTNUM_CNT] = cpu_to_be32(bcnt_bt->num_levels); + agf->agf_roots[XFS_BTNUM_RMAP] = cpu_to_be32(rmap_bt->root); + agf->agf_levels[XFS_BTNUM_RMAP] = cpu_to_be32(rmap_bt->num_levels); agf->agf_freeblks = cpu_to_be32(freeblks); /* * Count and record the number of btree blocks consumed if required. */ if (xfs_sb_version_haslazysbcount(&mp->m_sb)) { + unsigned int blks; /* * Don't count the root blocks as they are already * accounted for. */ - agf->agf_btreeblks = cpu_to_be32( - (bno_bt->num_tot_blocks - bno_bt->num_free_blocks) + + blks = (bno_bt->num_tot_blocks - bno_bt->num_free_blocks) + (bcnt_bt->num_tot_blocks - bcnt_bt->num_free_blocks) - - 2); + 2; + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + blks += rmap_bt->num_tot_blocks - rmap_bt->num_free_blocks - 1; + agf->agf_btreeblks = cpu_to_be32(blks); #ifdef XR_BLD_FREE_TRACE fprintf(stderr, "agf->agf_btreeblks = %u\n", be32_to_cpu(agf->agf_btreeblks)); @@ -1586,6 +1948,7 @@ phase5_func( bt_status_t bcnt_btree_curs; bt_status_t ino_btree_curs; bt_status_t fino_btree_curs; + bt_status_t rmap_btree_curs; int extra_blocks = 0; uint num_freeblocks; xfs_extlen_t freeblks1; @@ -1641,6 +2004,12 @@ phase5_func( sb_icount_ag[agno] += num_inos; sb_ifree_ag[agno] += num_free_inos; + /* + * Set up the btree cursors for the on-disk rmap btrees, + * which includes pre-allocating all required blocks. + */ + init_rmapbt_cursor(mp, agno, &rmap_btree_curs); + num_extents = count_bno_extents_blocks(agno, &num_freeblocks); /* * lose two blocks per AG -- the space tree roots @@ -1725,11 +2094,19 @@ phase5_func( ASSERT(freeblks1 == freeblks2); + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + build_rmap_tree(mp, agno, &rmap_btree_curs); + write_cursor(&rmap_btree_curs); + sb_fdblocks_ag[agno] += (rmap_btree_curs.num_tot_blocks - + rmap_btree_curs.num_free_blocks) - 1; + } + /* * set up agf and agfl */ build_agf_agfl(mp, agno, &bno_btree_curs, - &bcnt_btree_curs, freeblks1, extra_blocks); + &bcnt_btree_curs, freeblks1, extra_blocks, + &rmap_btree_curs); /* * build inode allocation tree. */ @@ -1758,6 +2135,8 @@ phase5_func( */ finish_cursor(&bno_btree_curs); finish_cursor(&ino_btree_curs); + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + finish_cursor(&rmap_btree_curs); if (xfs_sb_version_hasfinobt(&mp->m_sb)) finish_cursor(&fino_btree_curs); finish_cursor(&bcnt_btree_curs); From darrick.wong@oracle.com Thu Jun 16 20:37:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id F1D378235 for ; Thu, 16 Jun 2016 20:37:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B412B8F804C for ; Thu, 16 Jun 2016 18:37:49 -0700 (PDT) X-ASG-Debug-ID: 1466127466-04cbb01fec6a2a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id aSJZyinT5X0Z067m (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:47 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1bfo3018924 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:42 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bfIN027650 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:41 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1beNi028884; Fri, 17 Jun 2016 01:37:41 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:37:40 -0700 Subject: [PATCH 065/145] xfs_repair: add per-AG btree blocks to rmap data and add to rmapbt From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 065/145] xfs_repair: add per-AG btree blocks to rmap data and add to rmapbt To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:39 -0700 Message-ID: <146612745922.16048.15574181384571390206.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127466 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12475 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Since we can't know the location of the new per-AG btree blocks prior to constructing the rmapbt, we must record raw reverse-mapping data for btree blocks while the new btrees are under construction. After the rmapbt has been rebuilt, merge the btree rmap entries into the rmapbt with the libxfs code. Also refactor the freelist fixing code since we need it to tidy up the AGFL after each rmapbt allocation. v2: Use xfs_rmap_alloc to add rmap records for AG metadata blocks because it knows how to merge adjacent rmaps. This particular bug was discovered while running xfs_repair twice on generic/175 wherein block X was originally allocated to the rmapbt, then X+1 got allocated to the rmapbt when we expanded it to hold all the entries for the rmapbt blocks. Signed-off-by: Darrick J. Wong --- repair/phase5.c | 52 +++++++------- repair/rmap.c | 198 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/rmap.h | 4 + 3 files changed, 226 insertions(+), 28 deletions(-) diff --git a/repair/phase5.c b/repair/phase5.c index bb065ec..db84440 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -74,6 +74,7 @@ typedef struct bt_status { * per-level status info */ bt_stat_level_t level[XFS_BTREE_MAXLEVELS]; + uint64_t owner; /* owner */ } bt_status_t; /* @@ -205,6 +206,7 @@ setup_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *curs) extent_tree_node_t *bno_ext_ptr; xfs_extlen_t blocks_allocated; xfs_agblock_t *agb_ptr; + int error; /* * get the number of blocks we need to allocate, then @@ -249,6 +251,12 @@ setup_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *curs) blocks_allocated++; } + error = add_ag_rmap(mp, agno, ext_ptr->ex_startblock, u, + curs->owner); + if (error) + do_error(_("could not set up btree rmaps: %s\n"), + strerror(-error)); + /* * if we only used part of this last extent, then we * need only to reset the extent in the extent @@ -916,6 +924,7 @@ init_ino_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, lptr = &btree_curs->level[0]; btree_curs->init = 1; + btree_curs->owner = XFS_RMAP_OWN_INOBT; /* * build up statistics @@ -1355,6 +1364,7 @@ init_rmapbt_cursor( lptr = &btree_curs->level[0]; btree_curs->init = 1; + btree_curs->owner = XFS_RMAP_OWN_AG; /* * build up statistics @@ -1834,6 +1844,7 @@ build_agf_agfl( agf->agf_flfirst = 0; agf->agf_fllast = cpu_to_be32(i - 1); agf->agf_flcount = cpu_to_be32(i); + rmap_store_agflcount(mp, agno, i); #ifdef XR_BLD_FREE_TRACE fprintf(stderr, "writing agfl for ag %u\n", agno); @@ -1858,35 +1869,8 @@ build_agf_agfl( /* * now fix up the free list appropriately - * XXX: code lifted from mkfs, should be shared. */ - { - xfs_alloc_arg_t args; - xfs_trans_t *tp; - struct xfs_trans_res tres = {0}; - int error; - - memset(&args, 0, sizeof(args)); - args.mp = mp; - args.agno = agno; - args.alignment = 1; - args.pag = xfs_perag_get(mp,agno); - error = -libxfs_trans_alloc(mp, &tres, - xfs_alloc_min_freelist(mp, args.pag), - 0, 0, &tp); - if (error) { - do_error(_("failed to fix AGFL on AG %d, error %d\n"), - agno, error); - } - args.tp = tp; - error = -libxfs_alloc_fix_freelist(&args, 0); - xfs_perag_put(args.pag); - if (error) { - do_error(_("failed to fix AGFL on AG %d, error %d\n"), - agno, error); - } - libxfs_trans_commit(tp); - } + fix_freelist(mp, agno, true); #ifdef XR_BLD_FREE_TRACE fprintf(stderr, "wrote agf for ag %u\n", agno); @@ -1958,6 +1942,7 @@ phase5_func( xfs_agblock_t num_extents; __uint32_t magic; struct agi_stat agi_stat = {0,}; + int error; if (verbose) do_log(_(" - agno = %d\n"), agno); @@ -2063,6 +2048,8 @@ phase5_func( bcnt_btree_curs = bno_btree_curs; + bno_btree_curs.owner = XFS_RMAP_OWN_AG; + bcnt_btree_curs.owner = XFS_RMAP_OWN_AG; setup_cursor(mp, agno, &bno_btree_curs); setup_cursor(mp, agno, &bcnt_btree_curs); @@ -2140,6 +2127,15 @@ phase5_func( if (xfs_sb_version_hasfinobt(&mp->m_sb)) finish_cursor(&fino_btree_curs); finish_cursor(&bcnt_btree_curs); + + /* + * Put the per-AG btree rmap data into the rmapbt + */ + error = store_ag_btree_rmap_data(mp, agno); + if (error) + do_error( +_("unable to add AG %u reverse-mapping data to btree.\n"), agno); + /* * release the incore per-AG bno/bcnt trees so * the extent nodes can be recycled diff --git a/repair/rmap.c b/repair/rmap.c index 4648425..9c17ee8 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -39,6 +39,8 @@ struct xfs_ag_rmap { struct xfs_slab *ar_rmaps; /* rmap observations, p4 */ struct xfs_slab *ar_raw_rmaps; /* unmerged rmaps */ + int ar_flcount; /* agfl entries from leftover */ + /* agbt allocations */ }; static struct xfs_ag_rmap *ag_rmaps; @@ -424,6 +426,124 @@ out: return error; } +/* + * Copy the per-AG btree reverse-mapping data into the rmapbt. + * + * At rmapbt reconstruction time, the rmapbt will be populated _only_ with + * rmaps for file extents, inode chunks, AG headers, and bmbt blocks. While + * building the AG btrees we can record all the blocks allocated for each + * btree, but we cannot resolve the conflict between the fact that one has to + * finish allocating the space for the rmapbt before building the bnobt and the + * fact that allocating blocks for the bnobt requires adding rmapbt entries. + * Therefore we record in-core the rmaps for each btree and here use the + * libxfs rmap functions to finish building the rmap btree. + * + * During AGF/AGFL reconstruction in phase 5, rmaps for the AG btrees are + * recorded in memory. The rmapbt has not been set up yet, so we need to be + * able to "expand" the AGFL without updating the rmapbt. After we've written + * out the new AGF header the new rmapbt is available, so this function reads + * each AGFL to generate rmap entries. These entries are merged with the AG + * btree rmap entries, and then we use libxfs' rmap functions to add them to + * the rmapbt, after which it is fully regenerated. + */ +int +store_ag_btree_rmap_data( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_slab_cursor *rm_cur; + struct xfs_rmap_irec *rm_rec = NULL; + struct xfs_buf *agbp = NULL; + struct xfs_buf *agflbp = NULL; + struct xfs_trans *tp; + struct xfs_trans_res tres = {0}; + __be32 *agfl_bno, *b; + int error = 0; + struct xfs_owner_info oinfo; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) + return 0; + + /* Release the ar_rmaps; they were put into the rmapbt during p5. */ + free_slab(&ag_rmaps[agno].ar_rmaps); + error = init_slab(&ag_rmaps[agno].ar_rmaps, + sizeof(struct xfs_rmap_irec)); + if (error) + goto err; + + /* Add the AGFL blocks to the rmap list */ + error = xfs_trans_read_buf( + mp, NULL, mp->m_ddev_targp, + XFS_AG_DADDR(mp, agno, XFS_AGFL_DADDR(mp)), + XFS_FSS_TO_BB(mp, 1), 0, &agflbp, &xfs_agfl_buf_ops); + if (error) + goto err; + + agfl_bno = XFS_BUF_TO_AGFL_BNO(mp, agflbp); + agfl_bno += ag_rmaps[agno].ar_flcount; + b = agfl_bno; + while (*b != NULLAGBLOCK && b - agfl_bno <= XFS_AGFL_SIZE(mp)) { + error = add_ag_rmap(mp, agno, be32_to_cpu(*b), 1, + XFS_RMAP_OWN_AG); + if (error) + goto err; + b++; + } + libxfs_putbuf(agflbp); + agflbp = NULL; + + /* Merge all the raw rmaps into the main list */ + error = fold_raw_rmaps(mp, agno); + if (error) + goto err; + + /* Create cursors to refcount structures */ + error = init_slab_cursor(ag_rmaps[agno].ar_rmaps, rmap_compare, + &rm_cur); + if (error) + goto err; + + /* Insert rmaps into the btree one at a time */ + rm_rec = pop_slab_cursor(rm_cur); + while (rm_rec) { + error = -libxfs_trans_alloc(mp, &tres, 16, 0, 0, &tp); + if (error) + goto err_slab; + + error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp); + if (error) + goto err_trans; + + ASSERT(XFS_RMAP_NON_INODE_OWNER(rm_rec->rm_owner)); + xfs_rmap_ag_owner(&oinfo, rm_rec->rm_owner); + error = xfs_rmap_alloc(tp, agbp, agno, rm_rec->rm_startblock, + rm_rec->rm_blockcount, &oinfo); + if (error) + goto err_trans; + + error = -libxfs_trans_commit(tp); + if (error) + goto err_slab; + + fix_freelist(mp, agno, false); + + rm_rec = pop_slab_cursor(rm_cur); + } + + free_slab_cursor(&rm_cur); + return 0; + +err_trans: + libxfs_trans_cancel(tp); +err_slab: + free_slab_cursor(&rm_cur); +err: + if (agflbp) + libxfs_putbuf(agflbp); + printf("FAIL err %d\n", error); + return error; +} + #ifdef RMAP_DEBUG static void dump_rmap( @@ -695,3 +815,81 @@ rmap_high_key_from_rec( return; key->rm_offset += adj; } + +/* + * Regenerate the AGFL so that we don't run out of it while rebuilding the + * rmap btree. If skip_rmapbt is true, don't update the rmapbt (most probably + * because we're updating the rmapbt). + */ +void +fix_freelist( + struct xfs_mount *mp, + xfs_agnumber_t agno, + bool skip_rmapbt) +{ + xfs_alloc_arg_t args; + xfs_trans_t *tp; + struct xfs_trans_res tres = {0}; + int flags; + int error; + + memset(&args, 0, sizeof(args)); + args.mp = mp; + args.agno = agno; + args.alignment = 1; + args.pag = xfs_perag_get(mp, agno); + error = -libxfs_trans_alloc(mp, &tres, + xfs_alloc_min_freelist(mp, args.pag), 0, 0, &tp); + if (error) + do_error(_("failed to fix AGFL on AG %d, error %d\n"), + agno, error); + args.tp = tp; + + /* + * Prior to rmapbt, all we had to do to fix the freelist is "expand" + * the fresh AGFL header from empty to full. That hasn't changed. For + * rmapbt, however, things change a bit. + * + * When we're stuffing the rmapbt with the AG btree rmaps the tree can + * expand, so we need to keep the AGFL well-stocked for the expansion. + * However, this expansion can cause the bnobt/cntbt to shrink, which + * can make the AGFL eligible for shrinking. Shrinking involves + * freeing rmapbt entries, but since we haven't finished loading the + * rmapbt with the btree rmaps it's possible for the remove operation + * to fail. The AGFL block is large enough at this point to absorb any + * blocks freed from the bnobt/cntbt, so we can disable shrinking. + * + * During the initial AGFL regeneration during AGF generation in phase5 + * we must also disable rmapbt modifications because the AGF that + * libxfs reads does not yet point to the new rmapbt. These initial + * AGFL entries are added just prior to adding the AG btree block rmaps + * to the rmapbt. It's ok to pass NOSHRINK here too, since the AGFL is + * empty and cannot shrink. + */ + flags = XFS_ALLOC_FLAG_NOSHRINK; + if (skip_rmapbt) + flags |= XFS_ALLOC_FLAG_NORMAP; + error = libxfs_alloc_fix_freelist(&args, flags); + xfs_perag_put(args.pag); + if (error) { + do_error(_("failed to fix AGFL on AG %d, error %d\n"), + agno, error); + } + libxfs_trans_commit(tp); +} + +/* + * Remember how many AGFL entries came from excess AG btree allocations and + * therefore already have rmap entries. + */ +void +rmap_store_agflcount( + struct xfs_mount *mp, + xfs_agnumber_t agno, + int count) +{ + if (!needs_rmap_work(mp)) + return; + + ag_rmaps[agno].ar_flcount = count; +} diff --git a/repair/rmap.h b/repair/rmap.h index d9d08d4..4722266 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -35,6 +35,7 @@ extern int fold_raw_rmaps(struct xfs_mount *mp, xfs_agnumber_t agno); extern bool mergeable_rmaps(struct xfs_rmap_irec *r1, struct xfs_rmap_irec *r2); extern int add_fixed_ag_rmap_data(struct xfs_mount *, xfs_agnumber_t); +extern int store_ag_btree_rmap_data(struct xfs_mount *, xfs_agnumber_t); extern size_t rmap_record_count(struct xfs_mount *, xfs_agnumber_t); extern int init_rmap_cursor(xfs_agnumber_t, struct xfs_slab_cursor **); @@ -46,4 +47,7 @@ extern __int64_t rmap_diffkeys(struct xfs_rmap_irec *kp1, extern void rmap_high_key_from_rec(struct xfs_rmap_irec *rec, struct xfs_rmap_irec *key); +extern void fix_freelist(struct xfs_mount *, xfs_agnumber_t, bool); +extern void rmap_store_agflcount(struct xfs_mount *, xfs_agnumber_t, int); + #endif /* RMAP_H_ */ From darrick.wong@oracle.com Thu Jun 16 20:37:54 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9B5398249 for ; Thu, 16 Jun 2016 20:37:54 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 254B1AC003 for ; Thu, 16 Jun 2016 18:37:54 -0700 (PDT) X-ASG-Debug-ID: 1466127472-04bdf01e1396300001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Lp70H8SKcbj18Xj4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1bmAB018947 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:48 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1blxd007537 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:47 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1bltJ001153; Fri, 17 Jun 2016 01:37:47 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:37:46 -0700 Subject: [PATCH 066/145] xfs_repair: merge data & attr fork reverse mappings From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 066/145] xfs_repair: merge data & attr fork reverse mappings To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:45 -0700 Message-ID: <146612746543.16048.15290406733335696865.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127472 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3645 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Merge data and attribute fork reverse mappings. Signed-off-by: Darrick J. Wong --- repair/phase4.c | 10 ++++++++++ repair/rmap.c | 32 +++++++++++++++++++++++++++++--- repair/rmap.h | 2 ++ 3 files changed, 41 insertions(+), 3 deletions(-) diff --git a/repair/phase4.c b/repair/phase4.c index e234d92..3be3786 100644 --- a/repair/phase4.c +++ b/repair/phase4.c @@ -154,7 +154,17 @@ static void process_ags( xfs_mount_t *mp) { + xfs_agnumber_t i; + int error; + do_inode_prefetch(mp, ag_stride, process_ag_func, true, false); + for (i = 0; i < mp->m_sb.sb_agcount; i++) { + error = finish_collecting_fork_rmaps(mp, i); + if (error) + do_error( +_("unable to finish adding attr/data fork reverse-mapping data for AG %u.\n"), + i); + } } static void diff --git a/repair/rmap.c b/repair/rmap.c index 9c17ee8..e39df5a 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -41,6 +41,7 @@ struct xfs_ag_rmap { struct xfs_slab *ar_raw_rmaps; /* unmerged rmaps */ int ar_flcount; /* agfl entries from leftover */ /* agbt allocations */ + struct xfs_rmap_irec ar_last_rmap; /* last rmap seen */ }; static struct xfs_ag_rmap *ag_rmaps; @@ -118,6 +119,7 @@ _("Insufficient memory while allocating reverse mapping slabs.")); if (error) do_error( _("Insufficient memory while allocating raw metadata reverse mapping slabs.")); + ag_rmaps[i].ar_last_rmap.rm_owner = XFS_RMAP_OWN_UNKNOWN; } } @@ -177,10 +179,11 @@ add_rmap( int whichfork, struct xfs_bmbt_irec *irec) { - struct xfs_slab *rmaps; struct xfs_rmap_irec rmap; xfs_agnumber_t agno; xfs_agblock_t agbno; + struct xfs_rmap_irec *last_rmap; + int error = 0; if (!needs_rmap_work(mp)) return 0; @@ -193,7 +196,6 @@ add_rmap( ASSERT(ino != NULLFSINO); ASSERT(whichfork == XFS_DATA_FORK || whichfork == XFS_ATTR_FORK); - rmaps = ag_rmaps[agno].ar_rmaps; rmap.rm_owner = ino; rmap.rm_offset = irec->br_startoff; rmap.rm_flags = 0; @@ -203,7 +205,31 @@ add_rmap( rmap.rm_blockcount = irec->br_blockcount; if (irec->br_state == XFS_EXT_UNWRITTEN) rmap.rm_flags |= XFS_RMAP_UNWRITTEN; - return slab_add(rmaps, &rmap); + last_rmap = &ag_rmaps[agno].ar_last_rmap; + if (last_rmap->rm_owner == XFS_RMAP_OWN_UNKNOWN) + *last_rmap = rmap; + else if (mergeable_rmaps(last_rmap, &rmap)) + last_rmap->rm_blockcount += rmap.rm_blockcount; + else { + error = slab_add(ag_rmaps[agno].ar_rmaps, last_rmap); + if (error) + return error; + *last_rmap = rmap; + } + + return error; +} + +/* Finish collecting inode data/attr fork rmaps. */ +int +finish_collecting_fork_rmaps( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + if (!needs_rmap_work(mp) || + ag_rmaps[agno].ar_last_rmap.rm_owner == XFS_RMAP_OWN_UNKNOWN) + return 0; + return slab_add(ag_rmaps[agno].ar_rmaps, &ag_rmaps[agno].ar_last_rmap); } /* add a raw rmap; these will be merged later */ diff --git a/repair/rmap.h b/repair/rmap.h index 4722266..69215e8 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -28,6 +28,8 @@ extern void init_rmaps(struct xfs_mount *); extern void free_rmaps(struct xfs_mount *); extern int add_rmap(struct xfs_mount *, xfs_ino_t, int, struct xfs_bmbt_irec *); +extern int finish_collecting_fork_rmaps(struct xfs_mount *mp, + xfs_agnumber_t agno); extern int add_ag_rmap(struct xfs_mount *, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t len, uint64_t owner); extern int add_bmbt_rmap(struct xfs_mount *, xfs_ino_t, int, xfs_fsblock_t); From darrick.wong@oracle.com Thu Jun 16 20:37:57 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 92F718241 for ; Thu, 16 Jun 2016 20:37:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1B433AC002 for ; Thu, 16 Jun 2016 18:37:56 -0700 (PDT) X-ASG-Debug-ID: 1466127475-04cbb01fec6a2b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 8wOAJYhbQGAhuTdi (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:37:55 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1bsLd006445 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:54 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1brAl003515 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:37:54 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1br9X028904; Fri, 17 Jun 2016 01:37:53 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:37:52 -0700 Subject: [PATCH 067/145] xfs_repair: look for mergeable rmaps From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 067/145] xfs_repair: look for mergeable rmaps To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:51 -0700 Message-ID: <146612747153.16048.4165884380771843048.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127475 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1430 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Check for adjacent mergeable rmaps; this is a sign that we've screwed up somehow. Signed-off-by: Darrick J. Wong --- repair/scan.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/repair/scan.c b/repair/scan.c index 6106d93..d72b257 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -787,6 +787,7 @@ ino_issparse( struct rmap_priv { struct aghdr_cnts *agcnts; struct xfs_rmap_irec high_key; + struct xfs_rmap_irec last_rec; }; static void @@ -943,6 +944,16 @@ advance: goto advance; } + /* Is this mergeable with the previous record? */ + if (mergeable_rmaps(&rmap_priv->last_rec, &key)) { + do_warn( + _("record %d in block (%u/%u) of %s tree should be merged with previous record\n"), + i, agno, bno, name); + rmap_priv->last_rec.rm_blockcount += + key.rm_blockcount; + } else + rmap_priv->last_rec = key; + /* Check that we don't go past the high key. */ key.rm_startblock += key.rm_blockcount - 1; if (!XFS_RMAP_NON_INODE_OWNER(key.rm_owner) && @@ -1896,6 +1907,7 @@ validate_agf( memset(&priv.high_key, 0xFF, sizeof(priv.high_key)); priv.high_key.rm_blockcount = 0; priv.agcnts = agcnts; + priv.last_rec.rm_owner = XFS_RMAP_OWN_UNKNOWN; bno = be32_to_cpu(agf->agf_roots[XFS_BTNUM_RMAP]); if (bno != 0 && verify_agbno(mp, agno, bno)) { scan_sbtree(bno, From darrick.wong@oracle.com Thu Jun 16 20:38:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B4F3F81DE for ; Thu, 16 Jun 2016 20:38:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 41E2DAC003 for ; Thu, 16 Jun 2016 18:38:04 -0700 (PDT) X-ASG-Debug-ID: 1466127482-04bdf01e1396310001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id OOGkVBAAgrBsoQui (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:02 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1c19U006746 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:02 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1c10W028255 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:01 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1bx7W011653; Fri, 17 Jun 2016 01:38:00 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:37:58 -0700 Subject: [PATCH 068/145] xfs_repair: check for impossible rmap record field combinations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 068/145] xfs_repair: check for impossible rmap record field combinations To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:37:57 -0700 Message-ID: <146612747761.16048.15516327575501310985.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127482 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1107 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Make sure there are no records or keys with impossible field combinations, such as non-inode records with offsets or flags. Signed-off-by: Darrick J. Wong --- repair/scan.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/repair/scan.c b/repair/scan.c index d72b257..ec41ba6 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -926,6 +926,18 @@ _("%s rmap btree block claimed (state %d), agno %d, bno %d, suspect %d\n"), _("invalid owner in rmap btree record %d (%"PRId64" %u) block %u/%u\n"), i, owner, len, agno, bno); + /* Look for impossible record field combinations. */ + if (XFS_RMAP_NON_INODE_OWNER(key.rm_owner)) { + if (key.rm_flags) + do_warn( + _("record %d of block (%u/%u) in %s btree cannot have non-inode owner with flags\n"), + i, agno, bno, name); + if (key.rm_offset) + do_warn( + _("record %d of block (%u/%u) in %s btree cannot have non-inode owner with offset\n"), + i, agno, bno, name); + } + /* Check for out of order records. */ if (i == 0) { advance: From darrick.wong@oracle.com Thu Jun 16 20:38:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 473FC825F for ; Thu, 16 Jun 2016 20:38:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id B2D2DAC001 for ; Thu, 16 Jun 2016 18:38:12 -0700 (PDT) X-ASG-Debug-ID: 1466127490-04cb6c542758090001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Np8Fij3utN5jbOkF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1c6kt019263 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:06 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1c5aq008165 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:05 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1c5uH001286; Fri, 17 Jun 2016 01:38:05 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:05 -0700 Subject: [PATCH 069/145] mkfs: set agsize prior to calculating minimum log size From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 069/145] mkfs: set agsize prior to calculating minimum log size To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:03 -0700 Message-ID: <146612748368.16048.1300674297898667346.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127490 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2331 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Each btree has its own maxlevels variable. Since the level count of certain btrees depend on agblocks, it's necessary to know the AG size prior to calculating the log reservations. These reservations are needed to calculate the log size and the kernel will refuse to mount if we guess too low, so stuff in the real agsize when we're formatting the log. Signed-off-by: Darrick J. Wong --- include/xfs_multidisk.h | 2 +- mkfs/maxtrres.c | 3 ++- mkfs/xfs_mkfs.c | 3 ++- 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/xfs_multidisk.h b/include/xfs_multidisk.h index fe3e98f..4429dab 100644 --- a/include/xfs_multidisk.h +++ b/include/xfs_multidisk.h @@ -66,7 +66,7 @@ extern void parse_proto (xfs_mount_t *mp, struct fsxattr *fsx, char **pp); extern void res_failed (int err); /* maxtrres.c */ -extern int max_trans_res (int crcs_enabled, int dirversion, +extern int max_trans_res(unsigned long agsize, int crcs_enabled, int dirversion, int sectorlog, int blocklog, int inodelog, int dirblocklog, int logversion, int log_sunit, int finobt); diff --git a/mkfs/maxtrres.c b/mkfs/maxtrres.c index f48a0f7..c0b1b5d 100644 --- a/mkfs/maxtrres.c +++ b/mkfs/maxtrres.c @@ -29,6 +29,7 @@ int max_trans_res( + unsigned long agsize, int crcs_enabled, int dirversion, int sectorlog, @@ -50,7 +51,7 @@ max_trans_res( sbp->sb_sectsize = 1 << sbp->sb_sectlog; sbp->sb_blocklog = blocklog; sbp->sb_blocksize = 1 << blocklog; - sbp->sb_agblocks = XFS_AG_MIN_BYTES / (1 << blocklog); + sbp->sb_agblocks = agsize; sbp->sb_inodelog = inodelog; sbp->sb_inopblog = blocklog - inodelog; sbp->sb_inodesize = 1 << inodelog; diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 4b5df98..8b3cad8 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -2887,7 +2887,8 @@ an AG size that is one stripe unit smaller, for example %llu.\n"), lsunit = (32 * 1024) >> blocklog; } - min_logblocks = max_trans_res(sb_feat.crcs_enabled, sb_feat.dir_version, + min_logblocks = max_trans_res(agsize, + sb_feat.crcs_enabled, sb_feat.dir_version, sectorlog, blocklog, inodelog, dirblocklog, sb_feat.log_version, lsunit, sb_feat.finobt); ASSERT(min_logblocks); From darrick.wong@oracle.com Thu Jun 16 20:38:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5EDD48269 for ; Thu, 16 Jun 2016 20:38:20 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2F5DC8F804B for ; Thu, 16 Jun 2016 18:38:20 -0700 (PDT) X-ASG-Debug-ID: 1466127497-04cbb01fec6a2f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id lq6MTDDUZBd8IQEI (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:17 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1cClS019352 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:13 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cCXG028476 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:12 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cBto029043; Fri, 17 Jun 2016 01:38:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:11 -0700 Subject: [PATCH 070/145] mkfs.xfs: create filesystems with reverse-mappings From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 070/145] mkfs.xfs: create filesystems with reverse-mappings To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, Dave Chinner Date: Thu, 16 Jun 2016 18:38:09 -0700 Message-ID: <146612748977.16048.8951256729197337882.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127497 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11450 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.75 X-Barracuda-Spam-Status: No, SCORE=0.75 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_RULE_7580D, BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.75 BSF_RULE_7580D Custom Rule 7580D From: Dave Chinner Create v5 filesystems with rmapbt turned on. Document the rmapbt options to mkfs, and initialize the extra field we added for reflink support. v2: Turn on the rmapbt feature when calculating the minimum log size. Signed-off-by: Dave Chinner [darrick.wong@oracle.com: split patch, add commit message and extra fields] Signed-off-by: Darrick J. Wong --- include/xfs_multidisk.h | 2 - man/man8/mkfs.xfs.8 | 20 +++++++ mkfs/maxtrres.c | 5 +- mkfs/xfs_mkfs.c | 138 +++++++++++++++++++++++++++++++++++++++++------ 4 files changed, 145 insertions(+), 20 deletions(-) diff --git a/include/xfs_multidisk.h b/include/xfs_multidisk.h index 4429dab..8dc3027 100644 --- a/include/xfs_multidisk.h +++ b/include/xfs_multidisk.h @@ -68,6 +68,6 @@ extern void res_failed (int err); /* maxtrres.c */ extern int max_trans_res(unsigned long agsize, int crcs_enabled, int dirversion, int sectorlog, int blocklog, int inodelog, int dirblocklog, - int logversion, int log_sunit, int finobt); + int logversion, int log_sunit, int finobt, int rmapbt); #endif /* __XFS_MULTIDISK_H__ */ diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8 index 980b0e1..d88d314 100644 --- a/man/man8/mkfs.xfs.8 +++ b/man/man8/mkfs.xfs.8 @@ -193,6 +193,26 @@ is used, the free inode btree feature is not supported and is disabled. .BI uuid= value Use the given value as the filesystem UUID for the newly created filesystem. The default is to generate a random UUID. +.TP +.BI rmapbt= value +This option enables the creation of a reverse-mapping btree index in each +allocation group. The value is either 0 to disable the feature, or 1 to +create the btree. +.IP +The reverse mapping btree maps filesystem blocks to the owner of the +filesystem block. Most of the mappings will be to an inode number and an +offset, though there will also be mappings to filesystem metadata. This +secondary metadata can be used to validate the primary metadata or to +pinpoint exactly which data has been lost when a disk error occurs. +.IP +By default, +.B mkfs.xfs +will not create reverse mapping btrees. This feature is only available +for filesystems created with the (default) +.B \-m crc=1 +option set. When the option +.B \-m crc=0 +is used, the reverse mapping btree feature is not supported and is disabled. .RE .TP .BI \-d " data_section_options" diff --git a/mkfs/maxtrres.c b/mkfs/maxtrres.c index c0b1b5d..fc24eac 100644 --- a/mkfs/maxtrres.c +++ b/mkfs/maxtrres.c @@ -38,7 +38,8 @@ max_trans_res( int dirblocklog, int logversion, int log_sunit, - int finobt) + int finobt, + int rmapbt) { xfs_sb_t *sbp; xfs_mount_t mount; @@ -72,6 +73,8 @@ max_trans_res( XFS_DFL_SB_VERSION_BITS; if (finobt) sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_FINOBT; + if (rmapbt) + sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_RMAPBT; libxfs_mount(&mount, sbp, 0,0,0,0); maxfsb = xfs_log_calc_minimum_size(&mount); diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 8b3cad8..634dcfd 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -680,6 +680,8 @@ struct opt_params mopts = { "finobt", #define M_UUID 2 "uuid", +#define M_RMAPBT 3 + "rmapbt", NULL }, .subopt_params = { @@ -699,6 +701,12 @@ struct opt_params mopts = { .conflicts = { LAST_CONFLICT }, .defaultval = SUBOPT_NEEDS_VAL, }, + { .index = M_RMAPBT, + .conflicts = { LAST_CONFLICT }, + .minval = 0, + .maxval = 1, + .defaultval = 0, + }, }, }; @@ -1454,6 +1462,7 @@ struct sb_feat_args { bool crcs_enabled; bool dirftype; bool parent_pointers; + bool rmapbt; }; static void @@ -1524,6 +1533,8 @@ sb_set_features( if (fp->finobt) sbp->sb_features_ro_compat = XFS_SB_FEAT_RO_COMPAT_FINOBT; + if (fp->rmapbt) + sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_RMAPBT; /* * Sparse inode chunk support has two main inode alignment requirements. @@ -1784,6 +1795,7 @@ main( .crcs_enabled = true, .dirftype = true, .parent_pointers = false, + .rmapbt = false, }; platform_uuid_generate(&uuid); @@ -2073,6 +2085,10 @@ main( if (platform_uuid_parse(value, &uuid)) illegal(optarg, "m uuid"); break; + case M_RMAPBT: + sb_feat.rmapbt = getnum( + value, &mopts, M_RMAPBT); + break; default: unknown('m', value); } @@ -2409,6 +2425,20 @@ _("sparse inodes not supported without CRC support\n")); } sb_feat.spinodes = 0; + if (sb_feat.rmapbt) { + fprintf(stderr, +_("rmapbt not supported without CRC support\n")); + usage(); + } + sb_feat.rmapbt = false; + } + + + if (sb_feat.rmapbt && xi.rtname) { + fprintf(stderr, +_("rmapbt not supported with realtime devices\n")); + usage(); + sb_feat.rmapbt = false; } if (nsflag || nlflag) { @@ -2890,7 +2920,8 @@ an AG size that is one stripe unit smaller, for example %llu.\n"), min_logblocks = max_trans_res(agsize, sb_feat.crcs_enabled, sb_feat.dir_version, sectorlog, blocklog, inodelog, dirblocklog, - sb_feat.log_version, lsunit, sb_feat.finobt); + sb_feat.log_version, lsunit, sb_feat.finobt, + sb_feat.rmapbt); ASSERT(min_logblocks); min_logblocks = MAX(XFS_MIN_LOG_BLOCKS, min_logblocks); if (!logsize && dblocks >= (1024*1024*1024) >> blocklog) @@ -2965,7 +2996,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), mp->m_sectbb_log = sbp->sb_sectlog - BBSHIFT; /* - * sb_versionnum and finobt flags must be set before we use + * sb_versionnum, finobt and rmapbt flags must be set before we use * xfs_prealloc_blocks(). */ sb_set_features(&mp->m_sb, &sb_feat, sectorsize, lsectorsize, dsunit); @@ -3025,7 +3056,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), printf(_( "meta-data=%-22s isize=%-6d agcount=%lld, agsize=%lld blks\n" " =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n" - " =%-22s crc=%-8u finobt=%u, sparse=%u\n" + " =%-22s crc=%-8u finobt=%u, sparse=%u, rmapbt=%u\n" "data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n" " =%-22s sunit=%-6u swidth=%u blks\n" "naming =version %-14u bsize=%-6u ascii-ci=%d ftype=%d\n" @@ -3036,6 +3067,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), "", sectorsize, sb_feat.attr_version, !sb_feat.projid16bit, "", sb_feat.crcs_enabled, sb_feat.finobt, sb_feat.spinodes, + sb_feat.rmapbt, "", blocksize, (long long)dblocks, imaxpct, "", dsunit, dswidth, sb_feat.dir_version, dirblocksize, sb_feat.nci, @@ -3217,6 +3249,12 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1); pag->pagf_levels[XFS_BTNUM_BNOi] = 1; pag->pagf_levels[XFS_BTNUM_CNTi] = 1; + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + agf->agf_roots[XFS_BTNUM_RMAPi] = + cpu_to_be32(XFS_RMAP_BLOCK(mp)); + agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1); + } + agf->agf_flfirst = 0; agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1); agf->agf_flcount = 0; @@ -3404,24 +3442,88 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), /* * Free INO btree root block */ - if (!sb_feat.finobt) { - xfs_perag_put(pag); - continue; + if (sb_feat.finobt) { + buf = libxfs_getbuf(mp->m_ddev_targp, + XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)), + bsize); + buf->b_ops = &xfs_inobt_buf_ops; + block = XFS_BUF_TO_BLOCK(buf); + memset(block, 0, blocksize); + if (xfs_sb_version_hascrc(&mp->m_sb)) + xfs_btree_init_block(mp, buf, XFS_FIBT_CRC_MAGIC, 0, 0, + agno, XFS_BTREE_CRC_BLOCKS); + else + xfs_btree_init_block(mp, buf, XFS_FIBT_MAGIC, 0, 0, + agno, 0); + libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE); } - buf = libxfs_getbuf(mp->m_ddev_targp, - XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)), + /* RMAP btree root block */ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + struct xfs_rmap_rec *rrec; + + buf = libxfs_getbuf(mp->m_ddev_targp, + XFS_AGB_TO_DADDR(mp, agno, XFS_RMAP_BLOCK(mp)), bsize); - buf->b_ops = &xfs_inobt_buf_ops; - block = XFS_BUF_TO_BLOCK(buf); - memset(block, 0, blocksize); - if (xfs_sb_version_hascrc(&mp->m_sb)) - xfs_btree_init_block(mp, buf, XFS_FIBT_CRC_MAGIC, 0, 0, + buf->b_ops = &xfs_rmapbt_buf_ops; + block = XFS_BUF_TO_BLOCK(buf); + memset(block, 0, blocksize); + + xfs_btree_init_block(mp, buf, XFS_RMAP_CRC_MAGIC, 0, 0, agno, XFS_BTREE_CRC_BLOCKS); - else - xfs_btree_init_block(mp, buf, XFS_FIBT_MAGIC, 0, 0, - agno, 0); - libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE); + + /* + * mark the AG header regions as static metadata + * The BNO btree block is the first block after the + * headers, so it's location defines the size of region + * the static metadata consumes. + */ + rrec = XFS_RMAP_REC_ADDR(block, 1); + rrec->rm_startblock = 0; + rrec->rm_blockcount = cpu_to_be32(XFS_BNO_BLOCK(mp)); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_FS); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account freespace btree root blocks */ + rrec = XFS_RMAP_REC_ADDR(block, 2); + rrec->rm_startblock = cpu_to_be32(XFS_BNO_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(2); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account inode btree root blocks */ + rrec = XFS_RMAP_REC_ADDR(block, 3); + rrec->rm_startblock = cpu_to_be32(XFS_IBT_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(XFS_RMAP_BLOCK(mp) - + XFS_IBT_BLOCK(mp)); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_INOBT); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account for rmap btree root */ + rrec = XFS_RMAP_REC_ADDR(block, 4); + rrec->rm_startblock = cpu_to_be32(XFS_RMAP_BLOCK(mp)); + rrec->rm_blockcount = cpu_to_be32(1); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + + /* account for the log space */ + if (loginternal && agno == logagno) { + rrec = XFS_RMAP_REC_ADDR(block, 5); + rrec->rm_startblock = cpu_to_be32( + XFS_FSB_TO_AGBNO(mp, logstart)); + rrec->rm_blockcount = cpu_to_be32(logblocks); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_LOG); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + } + + libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE); + } + xfs_perag_put(pag); } @@ -3646,7 +3748,7 @@ usage( void ) { fprintf(stderr, _("Usage: %s\n\ /* blocksize */ [-b log=n|size=num]\n\ -/* metadata */ [-m crc=0|1,finobt=0|1,uuid=xxx]\n\ +/* metadata */ [-m crc=0|1,finobt=0|1,uuid=xxx,rmapbt=0|1]\n\ /* data subvol */ [-d agcount=n,agsize=n,file,name=xxx,size=num,\n\ (sunit=value,swidth=value|su=num,sw=num|noalign),\n\ sectlog=n|sectsize=num\n\ From darrick.wong@oracle.com Thu Jun 16 20:38:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B5D6F8271 for ; Thu, 16 Jun 2016 20:38:22 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2F17BAC001 for ; Thu, 16 Jun 2016 18:38:22 -0700 (PDT) X-ASG-Debug-ID: 1466127499-04cb6c5426580b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id mwl7ayhAq3QS1bcT (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1cION006865 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:18 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cH5X028563 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:18 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1cHxW001309; Fri, 17 Jun 2016 01:38:17 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:17 -0700 Subject: [PATCH 071/145] xfs: count the blocks in a btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 071/145] xfs: count the blocks in a btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:16 -0700 Message-ID: <146612749607.16048.847098109670912569.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127500 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1642 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a helper method to count the number of blocks in a short form btree. The refcount and rmap btrees need to know the number of blocks already in use to set up their per-AG block reservations during mount. v2: Use btree_visit_blocks instead of open-coding our own traversal routine. Signed-off-by: Darrick J. Wong --- libxfs/xfs_btree.c | 22 ++++++++++++++++++++++ libxfs/xfs_btree.h | 2 ++ 2 files changed, 24 insertions(+) diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index db0267a..1e547f8 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -4799,3 +4799,25 @@ xfs_btree_query_range( return xfs_btree_overlapped_query_range(cur, low_rec, high_rec, fn, priv); } + +int +xfs_btree_count_blocks_helper( + struct xfs_btree_cur *cur, + int level, + void *data) +{ + xfs_extlen_t *blocks = data; + (*blocks)++; + + return 0; +} + +/* Count the blocks in a btree and return the result in *blocks. */ +int +xfs_btree_count_blocks( + struct xfs_btree_cur *cur, + xfs_extlen_t *blocks) +{ + return xfs_btree_visit_blocks(cur, xfs_btree_count_blocks_helper, + blocks); +} diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 9963c48..6fa13a9 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -519,4 +519,6 @@ typedef int (*xfs_btree_visit_blocks_fn)(struct xfs_btree_cur *cur, int level, int xfs_btree_visit_blocks(struct xfs_btree_cur *cur, xfs_btree_visit_blocks_fn fn, void *data); +int xfs_btree_count_blocks(struct xfs_btree_cur *cur, xfs_extlen_t *blocks); + #endif /* __XFS_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:38:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7487E8234 for ; Thu, 16 Jun 2016 20:38:34 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 269FF30404E for ; Thu, 16 Jun 2016 18:38:34 -0700 (PDT) X-ASG-Debug-ID: 1466127509-04bdf01e1796360001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id kQz5ew8FGRLwU3R8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1cOaV019417 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:24 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cO4l004542 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:24 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cNan029062; Fri, 17 Jun 2016 01:38:24 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:23 -0700 Subject: [PATCH 072/145] xfs: set up per-AG free space reservations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 072/145] xfs: set up per-AG free space reservations To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:22 -0700 Message-ID: <146612750213.16048.14582215552508681042.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127509 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 27586 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines One unfortunate quirk of the reference count btree -- it can expand in size when blocks are written to *other* allocation groups if, say, one large extent becomes a lot of tiny extents. Since we don't want to start throwing errors in the middle of CoWing, we need to reserve some blocks to handle future expansion. Use the count of how many reserved blocks we need to have on hand to create a virtual reservation in the AG. Through selective clamping of the maximum length of allocation requests and of the length of the longest free extent, we can make it look like there's less free space in the AG unless the reservation owner is asking for blocks. In other words, play some accounting tricks in-core to make sure that we always have blocks available. On the plus side, there's nothing to clean up if we crash, which is contrast to the strategy that the rough draft used (actually removing extents from the freespace btrees). v2: There's really only two kinds of per-AG reservation pools -- one to feed the AGFL (rmapbt), and one to feed everything else (refcountbt). Bearing that in mind, we can embed the reservation controls in xfs_perag and greatly simplify the block accounting. Furthermore, fix some longstanding accounting bugs that were a direct result of the goofy "allocate a block and later fix up the accounting" strategy by integrating the reservation accounting code more tightly with the allocator. This eliminates the ENOSPC complaints resulting from refcount btree splits during truncate operations. Signed-off-by: Darrick J. Wong --- include/xfs_mount.h | 34 +++++ include/xfs_trace.h | 9 + libxfs/Makefile | 2 libxfs/defer_item.c | 3 libxfs/xfs_ag_resv.c | 317 +++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_ag_resv.h | 35 +++++ libxfs/xfs_alloc.c | 93 ++++++++++--- libxfs/xfs_alloc.h | 8 + libxfs/xfs_bmap.c | 6 + libxfs/xfs_ialloc_btree.c | 2 10 files changed, 479 insertions(+), 30 deletions(-) create mode 100644 libxfs/xfs_ag_resv.c create mode 100644 libxfs/xfs_ag_resv.h diff --git a/include/xfs_mount.h b/include/xfs_mount.h index 5cd9464..c452de2 100644 --- a/include/xfs_mount.h +++ b/include/xfs_mount.h @@ -112,6 +112,20 @@ typedef struct xfs_mount { struct xlog *m_log; } xfs_mount_t; +/* per-AG block reservation data structures*/ +enum xfs_ag_resv_type { + XFS_AG_RESV_NONE = 0, + XFS_AG_RESV_METADATA, + XFS_AG_RESV_AGFL, +}; + +struct xfs_ag_resv { + /* number of block reserved here */ + xfs_extlen_t ar_reserved; + /* number of blocks originally asked for */ + xfs_extlen_t ar_asked; +}; + /* * Per-ag incore structure, copies of information in agf and agi, * to improve the performance of allocation group selection. @@ -142,8 +156,28 @@ typedef struct xfs_perag { xfs_agino_t pagl_leftrec; xfs_agino_t pagl_rightrec; int pagb_count; /* pagb slots in use */ + + /* Blocks reserved for all kinds of metadata. */ + struct xfs_ag_resv pag_meta_resv; + /* Blocks reserved for just AGFL-based metadata. */ + struct xfs_ag_resv pag_agfl_resv; } xfs_perag_t; +static inline struct xfs_ag_resv * +xfs_perag_resv( + struct xfs_perag *pag, + enum xfs_ag_resv_type type) +{ + switch (type) { + case XFS_AG_RESV_METADATA: + return &pag->pag_meta_resv; + case XFS_AG_RESV_AGFL: + return &pag->pag_agfl_resv; + default: + return NULL; + } +} + #define LIBXFS_MOUNT_DEBUGGER 0x0001 #define LIBXFS_MOUNT_32BITINODES 0x0002 #define LIBXFS_MOUNT_32BITINOOPT 0x0004 diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 00c2ccb..040f2f0 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -212,6 +212,15 @@ #define trace_xfs_rmap_convert_error(...) ((void) 0) #define trace_xfs_rmap_find_left_neighbor_result(...) ((void) 0) +#define trace_xfs_ag_resv_critical(...) ((void) 0) +#define trace_xfs_ag_resv_needed(...) ((void) 0) +#define trace_xfs_ag_resv_free(...) ((void) 0) +#define trace_xfs_ag_resv_free_error(...) ((void) 0) +#define trace_xfs_ag_resv_init(...) ((void) 0) +#define trace_xfs_ag_resv_init_error(...) ((void) 0) +#define trace_xfs_ag_resv_alloc_extent(...) ((void) 0) +#define trace_xfs_ag_resv_free_extent(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/Makefile b/libxfs/Makefile index df47da2..588c663 100644 --- a/libxfs/Makefile +++ b/libxfs/Makefile @@ -18,6 +18,7 @@ PKGHFILES = xfs_fs.h \ xfs_log_format.h HFILES = \ + xfs_ag_resv.h \ xfs_alloc.h \ xfs_alloc_btree.h \ xfs_attr_leaf.h \ @@ -59,6 +60,7 @@ CFILES = cache.c \ rdwr.c \ trans.c \ util.c \ + xfs_ag_resv.c \ xfs_alloc.c \ xfs_alloc_btree.c \ xfs_attr.c \ diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c index 381c969..d2e4ad0 100644 --- a/libxfs/defer_item.c +++ b/libxfs/defer_item.c @@ -93,7 +93,8 @@ xfs_bmap_free_finish_item( free = container_of(item, struct xfs_bmap_free_item, xbfi_list); error = xfs_free_extent(tp, free->xbfi_startblock, - free->xbfi_blockcount, &free->xbfi_oinfo); + free->xbfi_blockcount, &free->xbfi_oinfo, + XFS_AG_RESV_NONE); kmem_free(free); return error; } diff --git a/libxfs/xfs_ag_resv.c b/libxfs/xfs_ag_resv.c new file mode 100644 index 0000000..03413e4 --- /dev/null +++ b/libxfs/xfs_ag_resv.c @@ -0,0 +1,317 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs_priv.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_alloc.h" +#include "xfs_trace.h" +#include "xfs_cksum.h" +#include "xfs_trans.h" +#include "xfs_bit.h" +#include "xfs_bmap.h" +#include "xfs_bmap_btree.h" +#include "xfs_ag_resv.h" +#include "xfs_trans_space.h" +#include "xfs_rmap_btree.h" +#include "xfs_btree.h" + +/* + * Per-AG Block Reservations + * + * For some kinds of allocation group metadata structures, it is advantageous + * to reserve a small number of blocks in each AG so that future expansions of + * that data structure do not encounter ENOSPC because errors during a btree + * split cause the filesystem to go offline. + * + * Prior to the introduction of reflink, this wasn't an issue because the free + * space btrees maintain a reserve of space (the AGFL) to handle any expansion + * that may be necessary; and allocations of other metadata (inodes, BMBT, + * dir/attr) aren't restricted to a single AG. However, with reflink it is + * possible to allocate all the space in an AG, have subsequent reflink/CoW + * activity expand the refcount btree, and discover that there's no space left + * to handle that expansion. Since we can calculate the maximum size of the + * refcount btree, we can reserve space for it and avoid ENOSPC. + * + * Handling per-AG reservations consists of three changes to the allocator's + * behavior: First, because these reservations are always needed, we decrease + * the ag_max_usable counter to reflect the size of the AG after the reserved + * blocks are taken. Second, the reservations must be reflected in the + * fdblocks count to maintain proper accounting. Third, each AG must maintain + * its own reserved block counter so that we can calculate the amount of space + * that must remain free to maintain the reservations. Fourth, the "remaining + * reserved blocks" count must be used when calculating the length of the + * longest free extent in an AG and to clamp maxlen in the per-AG allocation + * functions. In other words, we maintain a virtual allocation via in-core + * accounting tricks so that we don't have to clean up after a crash. :) + * + * Reserved blocks can be managed by passing one of the enum xfs_ag_resv_type + * values via struct xfs_alloc_arg or directly to the xfs_free_extent + * function. It might seem a little funny to maintain a reservoir of blocks + * to feed another reservoir, but the AGFL only holds enough blocks to get + * through the next transaction. The per-AG reservation is to ensure (we + * hope) that each AG never runs out of blocks. Each data structure wanting + * to use the reservation system should update ask/used in xfs_ag_resv_init. + */ + +/* + * Are we critically low on blocks? For now we'll define that as the number + * of blocks we can get our hands on being less than 10% of what we reserved + * or less than some arbitrary number (eight). + */ +bool +xfs_ag_resv_critical( + struct xfs_perag *pag, + enum xfs_ag_resv_type type) +{ + xfs_extlen_t avail; + xfs_extlen_t orig; + + switch (type) { + case XFS_AG_RESV_METADATA: + avail = pag->pagf_freeblks - pag->pag_agfl_resv.ar_reserved; + orig = pag->pag_meta_resv.ar_asked; + break; + case XFS_AG_RESV_AGFL: + avail = pag->pagf_freeblks + pag->pagf_flcount - + pag->pag_meta_resv.ar_reserved; + orig = pag->pag_agfl_resv.ar_asked; + break; + default: + ASSERT(0); + return false; + } + + trace_xfs_ag_resv_critical(pag, type, avail); + + return avail < orig / 10 || avail < XFS_BTREE_MAXLEVELS; +} + +/* + * How many blocks are reserved but not used, and therefore must not be + * allocated away? + */ +xfs_extlen_t +xfs_ag_resv_needed( + struct xfs_perag *pag, + enum xfs_ag_resv_type type) +{ + xfs_extlen_t len; + + len = pag->pag_meta_resv.ar_reserved + pag->pag_agfl_resv.ar_reserved; + switch (type) { + case XFS_AG_RESV_METADATA: + case XFS_AG_RESV_AGFL: + len -= xfs_perag_resv(pag, type)->ar_reserved; + break; + case XFS_AG_RESV_NONE: + /* empty */ + break; + default: + ASSERT(0); + } + + trace_xfs_ag_resv_needed(pag, type, len); + + return len; +} + +/* Clean out a reservation */ +static int +__xfs_ag_resv_free( + struct xfs_perag *pag, + enum xfs_ag_resv_type type) +{ + struct xfs_ag_resv *resv; + struct xfs_ag_resv t; + int error; + + trace_xfs_ag_resv_free(pag, type, 0); + + resv = xfs_perag_resv(pag, type); + t = *resv; + resv->ar_reserved = 0; + resv->ar_asked = 0; + pag->pag_mount->m_ag_max_usable += t.ar_asked; + + error = xfs_mod_fdblocks(pag->pag_mount, t.ar_reserved, true); + if (error) + trace_xfs_ag_resv_free_error(pag->pag_mount, pag->pag_agno, + error, _RET_IP_); + return error; +} + +/* Free a per-AG reservation. */ +int +xfs_ag_resv_free( + struct xfs_perag *pag) +{ + int error = 0; + int err2; + + err2 = __xfs_ag_resv_free(pag, XFS_AG_RESV_AGFL); + if (err2 && !error) + error = err2; + err2 = __xfs_ag_resv_free(pag, XFS_AG_RESV_METADATA); + if (err2 && !error) + error = err2; + return error; +} + +static int +__xfs_ag_resv_init( + struct xfs_perag *pag, + enum xfs_ag_resv_type type, + xfs_extlen_t ask, + xfs_extlen_t used) +{ + struct xfs_mount *mp = pag->pag_mount; + struct xfs_ag_resv *resv; + int error; + + resv = xfs_perag_resv(pag, type); + if (used > ask) + ask = used; + resv->ar_asked = ask; + resv->ar_reserved = ask - used; + mp->m_ag_max_usable -= ask; + + trace_xfs_ag_resv_init(pag, type, ask); + + error = xfs_mod_fdblocks(mp, -(int64_t)resv->ar_reserved, true); + if (error) + trace_xfs_ag_resv_init_error(pag->pag_mount, pag->pag_agno, + error, _RET_IP_); + + return error; +} + +/* Create a per-AG block reservation. */ +int +xfs_ag_resv_init( + struct xfs_perag *pag) +{ + xfs_extlen_t ask; + xfs_extlen_t used; + int error = 0; + int err2; + + if (pag->pag_meta_resv.ar_asked) + goto init_agfl; + + /* Create the metadata reservation. */ + ask = used = 0; + + err2 = __xfs_ag_resv_init(pag, XFS_AG_RESV_METADATA, ask, used); + if (err2 && !error) + error = err2; + +init_agfl: + if (pag->pag_agfl_resv.ar_asked) + return error; + + /* Create the AGFL metadata reservation */ + ask = used = 0; + + err2 = __xfs_ag_resv_init(pag, XFS_AG_RESV_AGFL, ask, used); + if (err2 && !error) + error = err2; + + return error; +} + +/* Allocate a block from the reservation. */ +void +xfs_ag_resv_alloc_extent( + struct xfs_perag *pag, + enum xfs_ag_resv_type type, + struct xfs_alloc_arg *args) +{ + struct xfs_ag_resv *resv; + xfs_extlen_t leftover; + uint field; + + trace_xfs_ag_resv_alloc_extent(pag, type, args->len); + + switch (type) { + case XFS_AG_RESV_METADATA: + case XFS_AG_RESV_AGFL: + resv = xfs_perag_resv(pag, type); + break; + default: + ASSERT(0); + /* fall through */ + case XFS_AG_RESV_NONE: + field = args->wasdel ? XFS_TRANS_SB_RES_FDBLOCKS : + XFS_TRANS_SB_FDBLOCKS; + xfs_trans_mod_sb(args->tp, field, -(int64_t)args->len); + return; + } + + if (args->len > resv->ar_reserved) { + leftover = args->len - resv->ar_reserved; + if (type != XFS_AG_RESV_AGFL) + xfs_trans_mod_sb(args->tp, XFS_TRANS_SB_FDBLOCKS, + -(int64_t)leftover); + resv->ar_reserved = 0; + } else + resv->ar_reserved -= args->len; +} + +/* Free a block to the reservation. */ +void +xfs_ag_resv_free_extent( + struct xfs_perag *pag, + enum xfs_ag_resv_type type, + struct xfs_trans *tp, + xfs_extlen_t len) +{ + xfs_extlen_t leftover; + struct xfs_ag_resv *resv; + + trace_xfs_ag_resv_free_extent(pag, type, len); + + switch (type) { + case XFS_AG_RESV_METADATA: + case XFS_AG_RESV_AGFL: + resv = xfs_perag_resv(pag, type); + break; + default: + ASSERT(0); + /* fall through */ + case XFS_AG_RESV_NONE: + xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, (int64_t)len); + return; + } + + if (resv->ar_reserved + len > resv->ar_asked) { + leftover = resv->ar_reserved + len - resv->ar_asked; + if (type != XFS_AG_RESV_AGFL) + xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, + (int64_t)leftover); + resv->ar_reserved = resv->ar_asked; + } else + resv->ar_reserved += len; +} diff --git a/libxfs/xfs_ag_resv.h b/libxfs/xfs_ag_resv.h new file mode 100644 index 0000000..8d6c687 --- /dev/null +++ b/libxfs/xfs_ag_resv.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_AG_RESV_H__ +#define __XFS_AG_RESV_H__ + +int xfs_ag_resv_free(struct xfs_perag *pag); +int xfs_ag_resv_init(struct xfs_perag *pag); + +bool xfs_ag_resv_critical(struct xfs_perag *pag, enum xfs_ag_resv_type type); +xfs_extlen_t xfs_ag_resv_needed(struct xfs_perag *pag, + enum xfs_ag_resv_type type); + +void xfs_ag_resv_alloc_extent(struct xfs_perag *pag, enum xfs_ag_resv_type type, + struct xfs_alloc_arg *args); +void xfs_ag_resv_free_extent(struct xfs_perag *pag, enum xfs_ag_resv_type type, + struct xfs_trans *tp, xfs_extlen_t len); + +#endif /* __XFS_AG_RESV_H__ */ diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 2f943db..7b9040e 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -33,6 +33,7 @@ #include "xfs_cksum.h" #include "xfs_trace.h" #include "xfs_trans.h" +#include "xfs_ag_resv.h" struct workqueue_struct *xfs_alloc_wq; @@ -678,12 +679,29 @@ xfs_alloc_ag_vextent( xfs_alloc_arg_t *args) /* argument structure for allocation */ { int error=0; + xfs_extlen_t reservation; + xfs_extlen_t oldmax; ASSERT(args->minlen > 0); ASSERT(args->maxlen > 0); ASSERT(args->minlen <= args->maxlen); ASSERT(args->mod < args->prod); ASSERT(args->alignment > 0); + + /* + * Clamp maxlen to the amount of free space minus any reservations + * that have been made. + */ + oldmax = args->maxlen; + reservation = xfs_ag_resv_needed(args->pag, args->resv); + if (args->maxlen > args->pag->pagf_freeblks - reservation) + args->maxlen = args->pag->pagf_freeblks - reservation; + if (args->maxlen == 0) { + args->agbno = NULLAGBLOCK; + args->maxlen = oldmax; + return 0; + } + /* * Branch to correct routine based on the type. */ @@ -703,12 +721,14 @@ xfs_alloc_ag_vextent( /* NOTREACHED */ } + args->maxlen = oldmax; + if (error || args->agbno == NULLAGBLOCK) return error; ASSERT(args->len >= args->minlen); ASSERT(args->len <= args->maxlen); - ASSERT(!args->wasfromfl || !args->isfl); + ASSERT(!args->wasfromfl || args->resv != XFS_AG_RESV_AGFL); ASSERT(args->agbno % args->alignment == 0); /* if not file data, insert new block into the reverse map btree */ @@ -730,12 +750,7 @@ xfs_alloc_ag_vextent( args->agbno, args->len)); } - if (!args->isfl) { - xfs_trans_mod_sb(args->tp, args->wasdel ? - XFS_TRANS_SB_RES_FDBLOCKS : - XFS_TRANS_SB_FDBLOCKS, - -((long)(args->len))); - } + xfs_ag_resv_alloc_extent(args->pag, args->resv, args); XFS_STATS_INC(args->mp, xs_allocx); XFS_STATS_ADD(args->mp, xs_allocb, args->len); @@ -1597,7 +1612,8 @@ xfs_alloc_ag_vextent_small( * to respect minleft even when pulling from the * freelist. */ - else if (args->minlen == 1 && args->alignment == 1 && !args->isfl && + else if (args->minlen == 1 && args->alignment == 1 && + args->resv != XFS_AG_RESV_AGFL && (be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_flcount) > args->minleft)) { error = xfs_alloc_get_freelist(args->tp, args->agbp, &fbno, 0); @@ -1668,7 +1684,7 @@ xfs_free_ag_extent( xfs_agblock_t bno, /* starting block number */ xfs_extlen_t len, /* length of extent */ struct xfs_owner_info *oinfo, /* extent owner */ - int isfl) /* set if is freelist blocks - no sb acctg */ + enum xfs_ag_resv_type type) /* extent reservation type */ { xfs_btree_cur_t *bno_cur; /* cursor for by-block btree */ xfs_btree_cur_t *cnt_cur; /* cursor for by-size btree */ @@ -1896,21 +1912,22 @@ xfs_free_ag_extent( */ pag = xfs_perag_get(mp, agno); error = xfs_alloc_update_counters(tp, pag, agbp, len); + xfs_ag_resv_free_extent(pag, type, tp, len); xfs_perag_put(pag); if (error) goto error0; - if (!isfl) - xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, (long)len); XFS_STATS_INC(mp, xs_freex); XFS_STATS_ADD(mp, xs_freeb, len); - trace_xfs_free_extent(mp, agno, bno, len, isfl, haveleft, haveright); + trace_xfs_free_extent(mp, agno, bno, len, type == XFS_AG_RESV_AGFL, + haveleft, haveright); return 0; error0: - trace_xfs_free_extent(mp, agno, bno, len, isfl, -1, -1); + trace_xfs_free_extent(mp, agno, bno, len, type == XFS_AG_RESV_AGFL, + -1, -1); if (bno_cur) xfs_btree_del_cursor(bno_cur, XFS_BTREE_ERROR); if (cnt_cur) @@ -1935,21 +1952,43 @@ xfs_alloc_compute_maxlevels( } /* - * Find the length of the longest extent in an AG. + * Find the length of the longest extent in an AG. The 'need' parameter + * specifies how much space we're going to need for the AGFL and the + * 'reserved' parameter tells us how many blocks in this AG are reserved for + * other callers. */ xfs_extlen_t xfs_alloc_longest_free_extent( struct xfs_mount *mp, struct xfs_perag *pag, - xfs_extlen_t need) + xfs_extlen_t need, + xfs_extlen_t reserved) { xfs_extlen_t delta = 0; + /* + * If the AGFL needs a recharge, we'll have to subtract that from the + * longest extent. + */ if (need > pag->pagf_flcount) delta = need - pag->pagf_flcount; + /* + * If we cannot maintain others' reservations with space from the + * not-longest freesp extents, we'll have to subtract /that/ from + * the longest extent too. + */ + if (pag->pagf_freeblks - pag->pagf_longest < reserved) + delta += reserved - (pag->pagf_freeblks - pag->pagf_longest); + + /* + * If the longest extent is long enough to satisfy all the + * reservations and AGFL rules in place, we can return this extent. + */ if (pag->pagf_longest > delta) return pag->pagf_longest - delta; + + /* Otherwise, let the caller try for 1 block if there's space. */ return pag->pagf_flcount > 0 || pag->pagf_longest > 0; } @@ -1989,20 +2028,24 @@ xfs_alloc_space_available( { struct xfs_perag *pag = args->pag; xfs_extlen_t longest; + xfs_extlen_t reservation; /* blocks that are still reserved */ int available; if (flags & XFS_ALLOC_FLAG_FREEING) return true; + reservation = xfs_ag_resv_needed(pag, args->resv); + /* do we have enough contiguous free space for the allocation? */ - longest = xfs_alloc_longest_free_extent(args->mp, pag, min_free); + longest = xfs_alloc_longest_free_extent(args->mp, pag, min_free, + reservation); if ((args->minlen + args->alignment + args->minalignslop - 1) > longest) return false; - /* do have enough free space remaining for the allocation? */ + /* do we have enough free space remaining for the allocation? */ available = (int)(pag->pagf_freeblks + pag->pagf_flcount - - min_free - args->total); - if (available < (int)args->minleft) + reservation - min_free - args->total); + if (available < (int)args->minleft || available <= 0) return false; return true; @@ -2108,7 +2151,8 @@ xfs_alloc_fix_freelist( if (error) goto out_agbp_relse; error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, - &targs.oinfo, 1); + &targs.oinfo, + XFS_AG_RESV_AGFL); if (error) goto out_agbp_relse; bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0); @@ -2122,7 +2166,7 @@ xfs_alloc_fix_freelist( xfs_rmap_ag_owner(&targs.oinfo, XFS_RMAP_OWN_AG); targs.agbp = agbp; targs.agno = args->agno; - targs.alignment = targs.minlen = targs.prod = targs.isfl = 1; + targs.alignment = targs.minlen = targs.prod = 1; targs.type = XFS_ALLOCTYPE_THIS_AG; targs.pag = pag; error = xfs_alloc_read_agfl(mp, tp, targs.agno, &agflbp); @@ -2133,6 +2177,7 @@ xfs_alloc_fix_freelist( while (pag->pagf_flcount < need) { targs.agbno = 0; targs.maxlen = need - pag->pagf_flcount; + targs.resv = XFS_AG_RESV_AGFL; /* Allocate as many blocks as possible at once. */ error = xfs_alloc_ag_vextent(&targs); @@ -2811,7 +2856,8 @@ xfs_free_extent( struct xfs_trans *tp, /* transaction pointer */ xfs_fsblock_t bno, /* starting block number of extent */ xfs_extlen_t len, /* length of extent */ - struct xfs_owner_info *oinfo) /* extent owner */ + struct xfs_owner_info *oinfo, /* extent owner */ + enum xfs_ag_resv_type type) /* block reservation type */ { struct xfs_mount *mp = tp->t_mountp; struct xfs_buf *agbp; @@ -2820,6 +2866,7 @@ xfs_free_extent( int error; ASSERT(len != 0); + ASSERT(type != XFS_AG_RESV_AGFL); trace_xfs_bmap_free_deferred(mp, agno, 0, agbno, len); @@ -2839,7 +2886,7 @@ xfs_free_extent( agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length), err); - error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, oinfo, 0); + error = xfs_free_ag_extent(tp, agbp, agno, agbno, len, oinfo, type); if (error) goto err; diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index 7b9e67e..9f6373a 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -87,10 +87,10 @@ typedef struct xfs_alloc_arg { xfs_alloctype_t otype; /* original allocation type */ char wasdel; /* set if allocation was prev delayed */ char wasfromfl; /* set if allocation is from freelist */ - char isfl; /* set if is freelist blocks - !acctg */ char userdata; /* mask defining userdata treatment */ xfs_fsblock_t firstblock; /* io first block allocated */ struct xfs_owner_info oinfo; /* owner of blocks being allocated */ + enum xfs_ag_resv_type resv; /* block reservation to use */ } xfs_alloc_arg_t; /* @@ -106,7 +106,8 @@ unsigned int xfs_alloc_set_aside(struct xfs_mount *mp); unsigned int xfs_alloc_ag_max_usable(struct xfs_mount *mp); xfs_extlen_t xfs_alloc_longest_free_extent(struct xfs_mount *mp, - struct xfs_perag *pag, xfs_extlen_t need); + struct xfs_perag *pag, xfs_extlen_t need, + xfs_extlen_t reserved); unsigned int xfs_alloc_min_freelist(struct xfs_mount *mp, struct xfs_perag *pag); @@ -184,7 +185,8 @@ xfs_free_extent( struct xfs_trans *tp, /* transaction pointer */ xfs_fsblock_t bno, /* starting block number of extent */ xfs_extlen_t len, /* length of extent */ - struct xfs_owner_info *oinfo); /* extent owner */ + struct xfs_owner_info *oinfo, /* extent owner */ + enum xfs_ag_resv_type type); /* block reservation type */ int /* error */ xfs_alloc_lookup_ge( diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index e9ccec5..50faacd 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -39,6 +39,7 @@ #include "xfs_attr_leaf.h" #include "xfs_quota_defs.h" #include "xfs_rmap_btree.h" +#include "xfs_ag_resv.h" kmem_zone_t *xfs_bmap_free_item_zone; @@ -3493,7 +3494,8 @@ xfs_bmap_longest_free_extent( } longest = xfs_alloc_longest_free_extent(mp, pag, - xfs_alloc_min_freelist(mp, pag)); + xfs_alloc_min_freelist(mp, pag), + xfs_ag_resv_needed(pag, XFS_AG_RESV_NONE)); if (*blen < longest) *blen = longest; @@ -3772,7 +3774,7 @@ xfs_bmap_btalloc( } args.minleft = ap->minleft; args.wasdel = ap->wasdel; - args.isfl = 0; + args.resv = XFS_AG_RESV_NONE; args.userdata = ap->userdata; if (ap->userdata & XFS_ALLOC_USERDATA_ZERO) args.ip = ap->ip; diff --git a/libxfs/xfs_ialloc_btree.c b/libxfs/xfs_ialloc_btree.c index d79ddfe..36d09eb 100644 --- a/libxfs/xfs_ialloc_btree.c +++ b/libxfs/xfs_ialloc_btree.c @@ -130,7 +130,7 @@ xfs_inobt_free_block( xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INOBT); return xfs_free_extent(cur->bc_tp, XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp)), 1, - &oinfo); + &oinfo, XFS_AG_RESV_NONE); } STATIC int From darrick.wong@oracle.com Thu Jun 16 20:38:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6E62680D1 for ; Thu, 16 Jun 2016 20:38:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id DC70FAC002 for ; Thu, 16 Jun 2016 18:38:38 -0700 (PDT) X-ASG-Debug-ID: 1466127515-04cbb01fed6a330001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id bQfcRaYWbiUkgMfv (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:36 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1cW2J006912 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:33 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cWSe008849 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:32 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cUkF011720; Fri, 17 Jun 2016 01:38:31 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:29 -0700 Subject: [PATCH 073/145] xfs: introduce refcount btree definitions From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 073/145] xfs: introduce refcount btree definitions To: david@fromorbit.com, darrick.wong@oracle.com Cc: Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:28 -0700 Message-ID: <146612750843.16048.17316621525217517837.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127516 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8430 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add new per-AG refcount btree definitions to the per-AG structures. v2: Move the reflink inode flag out of the way of the DAX flag, and add the new cowextsize flag. v3: Don't allow pNFS to export reflinked files; this will be removed some day when the Linux pNFS server supports it. [hch: don't allow pNFS export of reflinked files] [darrick: fix the feature test in hch's patch] Signed-off-by: Darrick J. Wong Signed-off-by: Christoph Hellwig --- include/xfs_inode.h | 5 +++++ include/xfs_mount.h | 3 +++ libxfs/xfs_alloc.c | 5 +++++ libxfs/xfs_btree.c | 5 +++-- libxfs/xfs_btree.h | 3 +++ libxfs/xfs_format.h | 29 ++++++++++++++++++++++++++--- libxfs/xfs_rmap_btree.c | 7 +++++-- libxfs/xfs_types.h | 2 +- 8 files changed, 51 insertions(+), 8 deletions(-) diff --git a/include/xfs_inode.h b/include/xfs_inode.h index 8141d97..3876fa6 100644 --- a/include/xfs_inode.h +++ b/include/xfs_inode.h @@ -122,6 +122,11 @@ xfs_set_projid(struct xfs_icdinode *id, prid_t projid) id->di_projid_lo = (__uint16_t) (projid & 0xffff); } +static inline bool xfs_is_reflink_inode(struct xfs_inode *ip) +{ + return ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK; +} + typedef struct cred { uid_t cr_uid; gid_t cr_gid; diff --git a/include/xfs_mount.h b/include/xfs_mount.h index c452de2..c5db4d8 100644 --- a/include/xfs_mount.h +++ b/include/xfs_mount.h @@ -161,6 +161,9 @@ typedef struct xfs_perag { struct xfs_ag_resv pag_meta_resv; /* Blocks reserved for just AGFL-based metadata. */ struct xfs_ag_resv pag_agfl_resv; + + /* reference count */ + __uint8_t pagf_refcount_level; } xfs_perag_t; static inline struct xfs_ag_resv * diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 7b9040e..c4d001f 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -2444,6 +2444,10 @@ xfs_agf_verify( be32_to_cpu(agf->agf_btreeblks) > be32_to_cpu(agf->agf_length)) return false; + if (xfs_sb_version_hasreflink(&mp->m_sb) && + be32_to_cpu(agf->agf_refcount_level) > XFS_BTREE_MAXLEVELS) + return false; + return true;; } @@ -2564,6 +2568,7 @@ xfs_alloc_read_agf( be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]); pag->pagf_levels[XFS_BTNUM_RMAPi] = be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAPi]); + pag->pagf_refcount_level = be32_to_cpu(agf->agf_refcount_level); spin_lock_init(&pag->pagb_lock); pag->pagb_count = 0; #ifdef __KERNEL__ diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 1e547f8..f4b1780 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -41,9 +41,10 @@ kmem_zone_t *xfs_btree_cur_zone; */ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, 0, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, - XFS_FIBT_MAGIC }, + XFS_FIBT_MAGIC, 0 }, { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, XFS_RMAP_CRC_MAGIC, - XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC } + XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC, + XFS_REFC_CRC_MAGIC } }; #define xfs_btree_magic(cur) \ xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 6fa13a9..85506a9 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -66,6 +66,7 @@ union xfs_btree_rec { #define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi) #define XFS_BTNUM_FINO ((xfs_btnum_t)XFS_BTNUM_FINOi) #define XFS_BTNUM_RMAP ((xfs_btnum_t)XFS_BTNUM_RMAPi) +#define XFS_BTNUM_REFC ((xfs_btnum_t)XFS_BTNUM_REFCi) /* * For logging record fields. @@ -99,6 +100,7 @@ do { \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \ + case XFS_BTNUM_REFC: break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -121,6 +123,7 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ case XFS_BTNUM_RMAP: \ __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \ + case XFS_BTNUM_REFC: break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 7205806..865ce0f 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -456,6 +456,7 @@ xfs_sb_has_compat_feature( #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ #define XFS_SB_FEAT_RO_COMPAT_RMAPBT (1 << 1) /* reverse map btree */ +#define XFS_SB_FEAT_RO_COMPAT_REFLINK (1 << 2) /* reflinked files */ #define XFS_SB_FEAT_RO_COMPAT_ALL \ (XFS_SB_FEAT_RO_COMPAT_FINOBT | \ XFS_SB_FEAT_RO_COMPAT_RMAPBT) @@ -546,6 +547,12 @@ static inline bool xfs_sb_version_hasrmapbt(struct xfs_sb *sbp) (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_RMAPBT); } +static inline bool xfs_sb_version_hasreflink(struct xfs_sb *sbp) +{ + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && + (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_REFLINK); +} + /* * end of superblock version macros */ @@ -640,12 +647,15 @@ typedef struct xfs_agf { __be32 agf_btreeblks; /* # of blocks held in AGF btrees */ uuid_t agf_uuid; /* uuid of filesystem */ + __be32 agf_refcount_root; /* refcount tree root block */ + __be32 agf_refcount_level; /* refcount btree levels */ + /* * reserve some contiguous space for future logged fields before we add * the unlogged fields. This makes the range logging via flags and * structure offsets much simpler. */ - __be64 agf_spare64[16]; + __be64 agf_spare64[15]; /* unlogged fields, written during buffer writeback. */ __be64 agf_lsn; /* last write sequence */ @@ -1033,9 +1043,14 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev) * 16 bits of the XFS_XFLAG_s range. */ #define XFS_DIFLAG2_DAX_BIT 0 /* use DAX for this inode */ +#define XFS_DIFLAG2_REFLINK_BIT 1 /* file's blocks may be shared */ +#define XFS_DIFLAG2_COWEXTSIZE_BIT 2 /* copy on write extent size hint */ #define XFS_DIFLAG2_DAX (1 << XFS_DIFLAG2_DAX_BIT) +#define XFS_DIFLAG2_REFLINK (1 << XFS_DIFLAG2_REFLINK_BIT) +#define XFS_DIFLAG2_COWEXTSIZE (1 << XFS_DIFLAG2_COWEXTSIZE_BIT) -#define XFS_DIFLAG2_ANY (XFS_DIFLAG2_DAX) +#define XFS_DIFLAG2_ANY \ + (XFS_DIFLAG2_DAX | XFS_DIFLAG2_REFLINK | XFS_DIFLAG2_COWEXTSIZE) /* * Inode number format: @@ -1382,7 +1397,8 @@ xfs_rmap_ino_owner( #define XFS_RMAP_OWN_AG (-5ULL) /* AG freespace btree blocks */ #define XFS_RMAP_OWN_INOBT (-6ULL) /* Inode btree blocks */ #define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ -#define XFS_RMAP_OWN_MIN (-8ULL) /* guard */ +#define XFS_RMAP_OWN_REFC (-8ULL) /* refcount tree */ +#define XFS_RMAP_OWN_MIN (-9ULL) /* guard */ #define XFS_RMAP_NON_INODE_OWNER(owner) (!!((owner) & (1ULL << 63))) @@ -1530,6 +1546,13 @@ xfs_owner_info_pack( } /* + * Reference Count Btree format definitions + * + */ +#define XFS_REFC_CRC_MAGIC 0x52334643 /* 'R3FC' */ + + +/* * BMAP Btree format definitions * * This includes both the root block definition that sits inside an inode fork diff --git a/libxfs/xfs_rmap_btree.c b/libxfs/xfs_rmap_btree.c index b5c3c21..3fedfd7 100644 --- a/libxfs/xfs_rmap_btree.c +++ b/libxfs/xfs_rmap_btree.c @@ -473,6 +473,9 @@ void xfs_rmapbt_compute_maxlevels( struct xfs_mount *mp) { - mp->m_rmap_maxlevels = xfs_btree_compute_maxlevels(mp, - mp->m_rmap_mnr, mp->m_sb.sb_agblocks); + if (xfs_sb_version_hasreflink(&mp->m_sb)) + mp->m_rmap_maxlevels = XFS_BTREE_MAXLEVELS; + else + mp->m_rmap_maxlevels = xfs_btree_compute_maxlevels(mp, + mp->m_rmap_mnr, mp->m_sb.sb_agblocks); } diff --git a/libxfs/xfs_types.h b/libxfs/xfs_types.h index da87796..690d616 100644 --- a/libxfs/xfs_types.h +++ b/libxfs/xfs_types.h @@ -112,7 +112,7 @@ typedef enum { typedef enum { XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_RMAPi, XFS_BTNUM_BMAPi, - XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_MAX + XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_REFCi, XFS_BTNUM_MAX } xfs_btnum_t; struct xfs_name { From darrick.wong@oracle.com Thu Jun 16 20:38:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E0542828B for ; Thu, 16 Jun 2016 20:38:43 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6B19FAC003 for ; Thu, 16 Jun 2016 18:38:43 -0700 (PDT) X-ASG-Debug-ID: 1466127521-04bdf01e1596370001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id z7XeoC1Xu8y9l3Tc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:42 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1cehf007020 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:41 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ceiE004816 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:40 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ca5H011770; Fri, 17 Jun 2016 01:38:37 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:36 -0700 Subject: [PATCH 074/145] xfs: add refcount btree stats infrastructure From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 074/145] xfs: add refcount btree stats infrastructure To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:34 -0700 Message-ID: <146612751467.16048.6269075439585017233.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127522 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1251 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines The refcount btree presents the same stats as the other btrees, so add all the code for that now. Signed-off-by: Darrick J. Wong --- libxfs/xfs_btree.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 85506a9..93e761e 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -100,7 +100,7 @@ do { \ case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \ - case XFS_BTNUM_REFC: break; \ + case XFS_BTNUM_REFC: __XFS_BTREE_STATS_INC(__mp, refcbt, stat); break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) @@ -123,7 +123,8 @@ do { \ __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ case XFS_BTNUM_RMAP: \ __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \ - case XFS_BTNUM_REFC: break; \ + case XFS_BTNUM_REFC: \ + __XFS_BTREE_STATS_ADD(__mp, refcbt, stat, val); break; \ case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ } \ } while (0) From darrick.wong@oracle.com Thu Jun 16 20:38:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 406B98241 for ; Thu, 16 Jun 2016 20:38:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 04814304039 for ; Thu, 16 Jun 2016 18:38:48 -0700 (PDT) X-ASG-Debug-ID: 1466127527-04cb6c5427580f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Voj3ysNVLDxd2dYq (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:47 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1cgBr019551 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:43 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cgxM004890 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:42 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cgPd029150; Fri, 17 Jun 2016 01:38:42 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:42 -0700 Subject: [PATCH 075/145] xfs: refcount btree add more reserved blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 075/145] xfs: refcount btree add more reserved blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:40 -0700 Message-ID: <146612752077.16048.15295030283603772885.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127527 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1565 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Since XFS reserves a small amount of space in each AG as the minimum free space needed for an operation, save some more space in case we touch the refcount btree. Signed-off-by: Darrick J. Wong --- libxfs/xfs_alloc.c | 13 +++++++++++++ libxfs/xfs_format.h | 2 ++ 2 files changed, 15 insertions(+) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index c4d001f..6e6ada8 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -48,10 +48,23 @@ STATIC int xfs_alloc_ag_vextent_size(xfs_alloc_arg_t *); STATIC int xfs_alloc_ag_vextent_small(xfs_alloc_arg_t *, xfs_btree_cur_t *, xfs_agblock_t *, xfs_extlen_t *, int *); +unsigned int +xfs_refc_block( + struct xfs_mount *mp) +{ + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + return XFS_RMAP_BLOCK(mp) + 1; + if (xfs_sb_version_hasfinobt(&mp->m_sb)) + return XFS_FIBT_BLOCK(mp) + 1; + return XFS_IBT_BLOCK(mp) + 1; +} + xfs_extlen_t xfs_prealloc_blocks( struct xfs_mount *mp) { + if (xfs_sb_version_hasreflink(&mp->m_sb)) + return xfs_refc_block(mp) + 1; if (xfs_sb_version_hasrmapbt(&mp->m_sb)) return XFS_RMAP_BLOCK(mp) + 1; if (xfs_sb_version_hasfinobt(&mp->m_sb)) diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 865ce0f..54fbe2b 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -1551,6 +1551,8 @@ xfs_owner_info_pack( */ #define XFS_REFC_CRC_MAGIC 0x52334643 /* 'R3FC' */ +unsigned int xfs_refc_block(struct xfs_mount *mp); + /* * BMAP Btree format definitions From darrick.wong@oracle.com Thu Jun 16 20:39:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 21ABF80DC for ; Thu, 16 Jun 2016 20:39:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E7540304039 for ; Thu, 16 Jun 2016 18:39:00 -0700 (PDT) X-ASG-Debug-ID: 1466127536-04cbb01fee6a380001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id vcQZNvTC2l9LMlgV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:38:57 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1coYq019628 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:50 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cnZv004990 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:50 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cm3f023972; Fri, 17 Jun 2016 01:38:49 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:48 -0700 Subject: [PATCH 076/145] xfs: define the on-disk refcount btree format From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 076/145] xfs: define the on-disk refcount btree format To: david@fromorbit.com, darrick.wong@oracle.com Cc: Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:46 -0700 Message-ID: <146612752686.16048.9338808799544236814.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127537 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 19076 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Start constructing the refcount btree implementation by establishing the on-disk format and everything needed to read, write, and manipulate the refcount btree blocks. v2: Calculate a separate maxlevels for the refcount btree. v3: Enable the tracking of per-cursor stats for refcount btrees. The refcount update code will use this to guess if it's time to split a refcountbt update across two transactions to avoid exhausing the transaction reservation. xfs_refcountbt_init_cursor can be called under the ilock, so use KM_NOFS to prevent fs activity with a lock held. This should shut up some of the lockdep warnings. Signed-off-by: Darrick J. Wong [hch: allocate the cursor with KM_NOFS to quiet lockdep] Signed-off-by: Christoph Hellwig --- include/darwin.h | 1 include/freebsd.h | 1 include/gnukfreebsd.h | 1 include/irix.h | 1 include/libxfs.h | 1 include/linux.h | 1 include/xfs_mount.h | 3 + libxfs/Makefile | 2 libxfs/init.c | 2 libxfs/xfs_btree.c | 3 + libxfs/xfs_btree.h | 12 +++ libxfs/xfs_format.h | 32 ++++++++ libxfs/xfs_refcount_btree.c | 177 +++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_refcount_btree.h | 67 ++++++++++++++++ libxfs/xfs_sb.c | 9 ++ libxfs/xfs_shared.h | 2 libxfs/xfs_trans_resv.c | 2 libxfs/xfs_trans_resv.h | 1 18 files changed, 317 insertions(+), 1 deletion(-) create mode 100644 libxfs/xfs_refcount_btree.c create mode 100644 libxfs/xfs_refcount_btree.h diff --git a/include/darwin.h b/include/darwin.h index a52030d..2935b4c 100644 --- a/include/darwin.h +++ b/include/darwin.h @@ -140,6 +140,7 @@ typedef off_t xfs_off_t; typedef u_int64_t xfs_ino_t; typedef u_int32_t xfs_dev_t; typedef int64_t xfs_daddr_t; +typedef u_int32_t xfs_nlink_t; #define stat64 stat #define fstat64 fstat diff --git a/include/freebsd.h b/include/freebsd.h index f7e0c75..3feca07 100644 --- a/include/freebsd.h +++ b/include/freebsd.h @@ -53,6 +53,7 @@ typedef off_t off64_t; typedef __uint64_t xfs_ino_t; typedef __uint32_t xfs_dev_t; typedef __int64_t xfs_daddr_t; +typedef __uint32_t xfs_nlink_t; typedef unsigned char __u8; typedef signed char __s8; diff --git a/include/gnukfreebsd.h b/include/gnukfreebsd.h index 64167b2..a62789e 100644 --- a/include/gnukfreebsd.h +++ b/include/gnukfreebsd.h @@ -42,6 +42,7 @@ typedef off_t xfs_off_t; typedef __uint64_t xfs_ino_t; typedef __uint32_t xfs_dev_t; typedef __int64_t xfs_daddr_t; +typedef __uint32_t xfs_nlink_t; typedef unsigned char __u8; typedef signed char __s8; diff --git a/include/irix.h b/include/irix.h index c2191ee..45c8594 100644 --- a/include/irix.h +++ b/include/irix.h @@ -47,6 +47,7 @@ typedef off64_t xfs_off_t; typedef __int64_t xfs_ino_t; typedef __int32_t xfs_dev_t; typedef __int64_t xfs_daddr_t; +typedef __int32_t xfs_nlink_t; typedef unsigned char __u8; typedef signed char __s8; diff --git a/include/libxfs.h b/include/libxfs.h index 5e76263..bec4ee6 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -78,6 +78,7 @@ extern uint32_t crc32c_le(uint32_t crc, unsigned char const *p, size_t len); #include "xfs_trace.h" #include "xfs_trans.h" #include "xfs_rmap_btree.h" +#include "xfs_refcount_btree.h" #ifndef ARRAY_SIZE #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) diff --git a/include/linux.h b/include/linux.h index cc0f70c..cd4b3eb 100644 --- a/include/linux.h +++ b/include/linux.h @@ -146,6 +146,7 @@ typedef off64_t xfs_off_t; typedef __uint64_t xfs_ino_t; typedef __uint32_t xfs_dev_t; typedef __int64_t xfs_daddr_t; +typedef __uint32_t xfs_nlink_t; /** * Abstraction of mountpoints. diff --git a/include/xfs_mount.h b/include/xfs_mount.h index c5db4d8..d47efa0 100644 --- a/include/xfs_mount.h +++ b/include/xfs_mount.h @@ -66,10 +66,13 @@ typedef struct xfs_mount { uint m_inobt_mnr[2]; /* XFS_INOBT_BLOCK_MINRECS */ uint m_rmap_mxr[2]; /* max rmap btree records */ uint m_rmap_mnr[2]; /* min rmap btree records */ + uint m_refc_mxr[2]; /* max refc btree records */ + uint m_refc_mnr[2]; /* min refc btree records */ uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */ uint m_rmap_maxlevels; /* max rmap btree levels */ + uint m_refc_maxlevels; /* max refcount btree level */ xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ uint m_alloc_set_aside; /* space we can't use */ uint m_ag_max_usable; /* max space per AG */ diff --git a/libxfs/Makefile b/libxfs/Makefile index 588c663..c31a2e9 100644 --- a/libxfs/Makefile +++ b/libxfs/Makefile @@ -37,6 +37,7 @@ HFILES = \ xfs_inode_buf.h \ xfs_inode_fork.h \ xfs_quota_defs.h \ + xfs_refcount_btree.h \ xfs_rmap_btree.h \ xfs_sb.h \ xfs_shared.h \ @@ -85,6 +86,7 @@ CFILES = cache.c \ xfs_inode_fork.c \ xfs_ialloc_btree.c \ xfs_log_rlimit.c \ + xfs_refcount_btree.c \ xfs_rmap.c \ xfs_rmap_btree.c \ xfs_rtbitmap.c \ diff --git a/libxfs/init.c b/libxfs/init.c index c56d123..66bfbd8 100644 --- a/libxfs/init.c +++ b/libxfs/init.c @@ -32,6 +32,7 @@ #include "xfs_inode.h" #include "xfs_trans.h" #include "xfs_rmap_btree.h" +#include "xfs_refcount_btree.h" #include "libxfs.h" /* for now */ @@ -685,6 +686,7 @@ libxfs_mount( xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK); xfs_ialloc_compute_maxlevels(mp); xfs_rmapbt_compute_maxlevels(mp); + xfs_refcountbt_compute_maxlevels(mp); if (sbp->sb_imax_pct) { /* Make sure the maximum inode count is a multiple of the diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index f4b1780..89fb2fe 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -1210,6 +1210,9 @@ xfs_btree_set_refs( case XFS_BTNUM_RMAP: xfs_buf_set_ref(bp, XFS_RMAP_BTREE_REF); break; + case XFS_BTNUM_REFC: + xfs_buf_set_ref(bp, XFS_REFC_BTREE_REF); + break; default: ASSERT(0); } diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index 93e761e..dbf299f 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -43,6 +43,7 @@ union xfs_btree_key { xfs_alloc_key_t alloc; struct xfs_inobt_key inobt; struct xfs_rmap_key rmap; + struct xfs_refcount_key refc; }; union xfs_btree_rec { @@ -51,6 +52,7 @@ union xfs_btree_rec { struct xfs_alloc_rec alloc; struct xfs_inobt_rec inobt; struct xfs_rmap_rec rmap; + struct xfs_refcount_rec refc; }; /* @@ -221,6 +223,15 @@ union xfs_btree_irec { xfs_bmbt_irec_t b; xfs_inobt_rec_incore_t i; struct xfs_rmap_irec r; + struct xfs_refcount_irec rc; +}; + +/* Per-AG btree private information. */ +union xfs_btree_cur_private { + struct { + unsigned long nr_ops; /* # record updates */ + int shape_changes; /* # of extent splits */ + } refc; }; /* @@ -247,6 +258,7 @@ typedef struct xfs_btree_cur struct xfs_buf *agbp; /* agf/agi buffer pointer */ struct xfs_defer_ops *dfops; /* deferred updates */ xfs_agnumber_t agno; /* ag number */ + union xfs_btree_cur_private priv; } a; struct { /* needed for BMAP */ struct xfs_inode *ip; /* pointer to our inode */ diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 54fbe2b..916d92b 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -1553,6 +1553,38 @@ xfs_owner_info_pack( unsigned int xfs_refc_block(struct xfs_mount *mp); +/* + * Data record/key structure + * + * Each record associates a range of physical blocks (starting at + * rc_startblock and ending rc_blockcount blocks later) with a + * reference count (rc_refcount). A record is only stored in the + * btree if the refcount is > 2. An entry in the free block btree + * means that the refcount is 0, and no entries anywhere means that + * the refcount is 1, as was true in XFS before reflinking. + */ +struct xfs_refcount_rec { + __be32 rc_startblock; /* starting block number */ + __be32 rc_blockcount; /* count of blocks */ + __be32 rc_refcount; /* number of inodes linked here */ +}; + +struct xfs_refcount_key { + __be32 rc_startblock; /* starting block number */ +}; + +struct xfs_refcount_irec { + xfs_agblock_t rc_startblock; /* starting block number */ + xfs_extlen_t rc_blockcount; /* count of free blocks */ + xfs_nlink_t rc_refcount; /* number of inodes linked here */ +}; + +#define MAXREFCOUNT ((xfs_nlink_t)~0U) +#define MAXREFCEXTLEN ((xfs_extlen_t)~0U) + +/* btree pointer type */ +typedef __be32 xfs_refcount_ptr_t; + /* * BMAP Btree format definitions diff --git a/libxfs/xfs_refcount_btree.c b/libxfs/xfs_refcount_btree.c new file mode 100644 index 0000000..a7b99e4 --- /dev/null +++ b/libxfs/xfs_refcount_btree.c @@ -0,0 +1,177 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs_priv.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_btree.h" +#include "xfs_bmap.h" +#include "xfs_refcount_btree.h" +#include "xfs_alloc.h" +#include "xfs_trace.h" +#include "xfs_cksum.h" +#include "xfs_trans.h" +#include "xfs_bit.h" + +static struct xfs_btree_cur * +xfs_refcountbt_dup_cursor( + struct xfs_btree_cur *cur) +{ + return xfs_refcountbt_init_cursor(cur->bc_mp, cur->bc_tp, + cur->bc_private.a.agbp, cur->bc_private.a.agno, + cur->bc_private.a.dfops); +} + +STATIC bool +xfs_refcountbt_verify( + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp); + struct xfs_perag *pag = bp->b_pag; + unsigned int level; + + if (block->bb_magic != cpu_to_be32(XFS_REFC_CRC_MAGIC)) + return false; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return false; + if (!xfs_btree_sblock_v5hdr_verify(bp)) + return false; + + level = be16_to_cpu(block->bb_level); + if (pag && pag->pagf_init) { + if (level >= pag->pagf_refcount_level) + return false; + } else if (level >= mp->m_refc_maxlevels) + return false; + + return xfs_btree_sblock_verify(bp, mp->m_refc_mxr[level != 0]); +} + +STATIC void +xfs_refcountbt_read_verify( + struct xfs_buf *bp) +{ + if (!xfs_btree_sblock_verify_crc(bp)) + xfs_buf_ioerror(bp, -EFSBADCRC); + else if (!xfs_refcountbt_verify(bp)) + xfs_buf_ioerror(bp, -EFSCORRUPTED); + + if (bp->b_error) { + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_verifier_error(bp); + } +} + +STATIC void +xfs_refcountbt_write_verify( + struct xfs_buf *bp) +{ + if (!xfs_refcountbt_verify(bp)) { + trace_xfs_btree_corrupt(bp, _RET_IP_); + xfs_buf_ioerror(bp, -EFSCORRUPTED); + xfs_verifier_error(bp); + return; + } + xfs_btree_sblock_calc_crc(bp); + +} + +const struct xfs_buf_ops xfs_refcountbt_buf_ops = { + .name = "xfs_refcountbt", + .verify_read = xfs_refcountbt_read_verify, + .verify_write = xfs_refcountbt_write_verify, +}; + +static const struct xfs_btree_ops xfs_refcountbt_ops = { + .rec_len = sizeof(struct xfs_refcount_rec), + .key_len = sizeof(struct xfs_refcount_key), + + .dup_cursor = xfs_refcountbt_dup_cursor, + .buf_ops = &xfs_refcountbt_buf_ops, +}; + +/* + * Allocate a new refcount btree cursor. + */ +struct xfs_btree_cur * +xfs_refcountbt_init_cursor( + struct xfs_mount *mp, + struct xfs_trans *tp, + struct xfs_buf *agbp, + xfs_agnumber_t agno, + struct xfs_defer_ops *dfops) +{ + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + struct xfs_btree_cur *cur; + + ASSERT(agno != NULLAGNUMBER); + ASSERT(agno < mp->m_sb.sb_agcount); + cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_NOFS); + + cur->bc_tp = tp; + cur->bc_mp = mp; + cur->bc_btnum = XFS_BTNUM_REFC; + cur->bc_blocklog = mp->m_sb.sb_blocklog; + cur->bc_ops = &xfs_refcountbt_ops; + + cur->bc_nlevels = be32_to_cpu(agf->agf_refcount_level); + + cur->bc_private.a.agbp = agbp; + cur->bc_private.a.agno = agno; + cur->bc_private.a.dfops = dfops; + cur->bc_flags |= XFS_BTREE_CRC_BLOCKS; + + cur->bc_private.a.priv.refc.nr_ops = 0; + cur->bc_private.a.priv.refc.shape_changes = 0; + + return cur; +} + +/* + * Calculate the number of records in a refcount btree block. + */ +int +xfs_refcountbt_maxrecs( + struct xfs_mount *mp, + int blocklen, + bool leaf) +{ + blocklen -= XFS_REFCOUNT_BLOCK_LEN; + + if (leaf) + return blocklen / sizeof(struct xfs_refcount_rec); + return blocklen / (sizeof(struct xfs_refcount_key) + + sizeof(xfs_refcount_ptr_t)); +} + +/* Compute the maximum height of a refcount btree. */ +void +xfs_refcountbt_compute_maxlevels( + struct xfs_mount *mp) +{ + mp->m_refc_maxlevels = xfs_btree_compute_maxlevels(mp, + mp->m_refc_mnr, mp->m_sb.sb_agblocks); +} diff --git a/libxfs/xfs_refcount_btree.h b/libxfs/xfs_refcount_btree.h new file mode 100644 index 0000000..9e9ad7c --- /dev/null +++ b/libxfs/xfs_refcount_btree.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_REFCOUNT_BTREE_H__ +#define __XFS_REFCOUNT_BTREE_H__ + +/* + * Reference Count Btree on-disk structures + */ + +struct xfs_buf; +struct xfs_btree_cur; +struct xfs_mount; + +/* + * Btree block header size + */ +#define XFS_REFCOUNT_BLOCK_LEN XFS_BTREE_SBLOCK_CRC_LEN + +/* + * Record, key, and pointer address macros for btree blocks. + * + * (note that some of these may appear unused, but they are used in userspace) + */ +#define XFS_REFCOUNT_REC_ADDR(block, index) \ + ((struct xfs_refcount_rec *) \ + ((char *)(block) + \ + XFS_REFCOUNT_BLOCK_LEN + \ + (((index) - 1) * sizeof(struct xfs_refcount_rec)))) + +#define XFS_REFCOUNT_KEY_ADDR(block, index) \ + ((struct xfs_refcount_key *) \ + ((char *)(block) + \ + XFS_REFCOUNT_BLOCK_LEN + \ + ((index) - 1) * sizeof(struct xfs_refcount_key))) + +#define XFS_REFCOUNT_PTR_ADDR(block, index, maxrecs) \ + ((xfs_refcount_ptr_t *) \ + ((char *)(block) + \ + XFS_REFCOUNT_BLOCK_LEN + \ + (maxrecs) * sizeof(struct xfs_refcount_key) + \ + ((index) - 1) * sizeof(xfs_refcount_ptr_t))) + +extern struct xfs_btree_cur *xfs_refcountbt_init_cursor(struct xfs_mount *mp, + struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, + struct xfs_defer_ops *dfops); +extern int xfs_refcountbt_maxrecs(struct xfs_mount *mp, int blocklen, + bool leaf); +extern void xfs_refcountbt_compute_maxlevels(struct xfs_mount *mp); + +#endif /* __XFS_REFCOUNT_BTREE_H__ */ diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c index 26c29ea..bb54bc2 100644 --- a/libxfs/xfs_sb.c +++ b/libxfs/xfs_sb.c @@ -35,6 +35,8 @@ #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" #include "xfs_rmap_btree.h" +#include "xfs_bmap.h" +#include "xfs_refcount_btree.h" /* * Physical superblock buffer manipulations. Shared with libxfs in userspace. @@ -737,6 +739,13 @@ xfs_sb_mount_common( mp->m_rmap_mnr[0] = mp->m_rmap_mxr[0] / 2; mp->m_rmap_mnr[1] = mp->m_rmap_mxr[1] / 2; + mp->m_refc_mxr[0] = xfs_refcountbt_maxrecs(mp, sbp->sb_blocksize, + true); + mp->m_refc_mxr[1] = xfs_refcountbt_maxrecs(mp, sbp->sb_blocksize, + false); + mp->m_refc_mnr[0] = mp->m_refc_mxr[0] / 2; + mp->m_refc_mnr[1] = mp->m_refc_mxr[1] / 2; + mp->m_bsize = XFS_FSB_TO_BB(mp, 1); mp->m_ialloc_inos = (int)MAX((__uint16_t)XFS_INODES_PER_CHUNK, sbp->sb_inopblock); diff --git a/libxfs/xfs_shared.h b/libxfs/xfs_shared.h index 0c5b30b..c6f4eb4 100644 --- a/libxfs/xfs_shared.h +++ b/libxfs/xfs_shared.h @@ -39,6 +39,7 @@ extern const struct xfs_buf_ops xfs_agf_buf_ops; extern const struct xfs_buf_ops xfs_agfl_buf_ops; extern const struct xfs_buf_ops xfs_allocbt_buf_ops; extern const struct xfs_buf_ops xfs_rmapbt_buf_ops; +extern const struct xfs_buf_ops xfs_refcountbt_buf_ops; extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops; extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops; extern const struct xfs_buf_ops xfs_bmbt_buf_ops; @@ -122,6 +123,7 @@ int xfs_log_calc_minimum_size(struct xfs_mount *); #define XFS_INO_REF 2 #define XFS_ATTR_BTREE_REF 1 #define XFS_DQUOT_REF 1 +#define XFS_REFC_BTREE_REF 1 /* * Flags for xfs_trans_ichgtime(). diff --git a/libxfs/xfs_trans_resv.c b/libxfs/xfs_trans_resv.c index 2ed80a5..10234bb 100644 --- a/libxfs/xfs_trans_resv.c +++ b/libxfs/xfs_trans_resv.c @@ -72,7 +72,7 @@ xfs_calc_buf_res( * * Keep in mind that max depth is calculated separately for each type of tree. */ -static uint +uint xfs_allocfree_log_count( struct xfs_mount *mp, uint num_ops) diff --git a/libxfs/xfs_trans_resv.h b/libxfs/xfs_trans_resv.h index 0eb46ed..36a1511 100644 --- a/libxfs/xfs_trans_resv.h +++ b/libxfs/xfs_trans_resv.h @@ -102,5 +102,6 @@ struct xfs_trans_resv { #define XFS_ATTRRM_LOG_COUNT 3 void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp); +uint xfs_allocfree_log_count(struct xfs_mount *mp, uint num_ops); #endif /* __XFS_TRANS_RESV_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:39:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0A72780DC for ; Thu, 16 Jun 2016 20:39:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id C66D98F8052 for ; Thu, 16 Jun 2016 18:39:02 -0700 (PDT) X-ASG-Debug-ID: 1466127541-04cb6c542658110001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id FeK5kCmLz5AARuNM (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1cwan007163 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:59 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1cwfc005169 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:38:58 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1csHs011902; Fri, 17 Jun 2016 01:38:56 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:38:54 -0700 Subject: [PATCH 077/145] xfs: account for the refcount btree in the alloc/free log reservation From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 077/145] xfs: account for the refcount btree in the alloc/free log reservation To: david@fromorbit.com, darrick.wong@oracle.com Cc: Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:53 -0700 Message-ID: <146612753324.16048.2863648366596319776.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127541 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1464 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Every time we allocate or free an extent, we might need to split the refcount btree. Reserve some blocks in the transaction to handle this possibility. (Reproduced by generic/167 over NFS atop XFS) Signed-off-by: Christoph Hellwig [darrick.wong@oracle.com: add commit message] Signed-off-by: Darrick J. Wong --- libxfs/xfs_trans_resv.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_trans_resv.c b/libxfs/xfs_trans_resv.c index 10234bb..5b6bbcd 100644 --- a/libxfs/xfs_trans_resv.c +++ b/libxfs/xfs_trans_resv.c @@ -66,7 +66,8 @@ xfs_calc_buf_res( * Per-extent log reservation for the btree changes involved in freeing or * allocating an extent. In classic XFS there were two trees that will be * modified (bnobt + cntbt). With rmap enabled, there are three trees - * (rmapbt). The number of blocks reserved is based on the formula: + * (rmapbt). With reflink, there are four trees (refcountbt). The number of + * blocks reserved is based on the formula: * * num trees * ((2 blocks/level * max depth) - 1) * @@ -82,6 +83,8 @@ xfs_allocfree_log_count( blocks = num_ops * 2 * (2 * mp->m_ag_maxlevels - 1); if (xfs_sb_version_hasrmapbt(&mp->m_sb)) blocks += num_ops * (2 * mp->m_rmap_maxlevels - 1); + if (xfs_sb_version_hasreflink(&mp->m_sb)) + blocks += num_ops * (2 * mp->m_refc_maxlevels - 1); return blocks; } From darrick.wong@oracle.com Thu Jun 16 20:39:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 937F68279 for ; Thu, 16 Jun 2016 20:39:08 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 643B18F8052 for ; Thu, 16 Jun 2016 18:39:08 -0700 (PDT) X-ASG-Debug-ID: 1466127544-04cbb01fef6a3c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id qdZHTQFMT451GFGC (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:05 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1d218007398 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:02 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1d25e009358 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:02 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1d1k3024090; Fri, 17 Jun 2016 01:39:01 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:00 -0700 Subject: [PATCH 078/145] xfs: add refcount btree operations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 078/145] xfs: add refcount btree operations To: david@fromorbit.com, darrick.wong@oracle.com Cc: Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:38:59 -0700 Message-ID: <146612753939.16048.2766379346085634076.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127545 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 17436 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Implement the generic btree operations required to manipulate refcount btree blocks. The implementation is similar to the bmapbt, though it will only allocate and free blocks from the AG. v2: Remove init_rec_from_key since we no longer need it, and add tracepoints when refcount btree operations fail. Since the refcount root and level fields are separate from the existing roots and levels array, they need a separate logging flag. Signed-off-by: Darrick J. Wong [hch: fix logging of AGF refcount btree fields] Signed-off-by: Christoph Hellwig --- include/libxfs.h | 1 include/xfs_trace.h | 12 +++ libxfs/Makefile | 2 libxfs/xfs_alloc.c | 4 + libxfs/xfs_format.h | 5 + libxfs/xfs_refcount.c | 176 ++++++++++++++++++++++++++++++++++++++ libxfs/xfs_refcount.h | 30 +++++++ libxfs/xfs_refcount_btree.c | 197 +++++++++++++++++++++++++++++++++++++++++++ 8 files changed, 426 insertions(+), 1 deletion(-) create mode 100644 libxfs/xfs_refcount.c create mode 100644 libxfs/xfs_refcount.h diff --git a/include/libxfs.h b/include/libxfs.h index bec4ee6..cc6a877 100644 --- a/include/libxfs.h +++ b/include/libxfs.h @@ -79,6 +79,7 @@ extern uint32_t crc32c_le(uint32_t crc, unsigned char const *p, size_t len); #include "xfs_trans.h" #include "xfs_rmap_btree.h" #include "xfs_refcount_btree.h" +#include "xfs_refcount.h" #ifndef ARRAY_SIZE #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 040f2f0..cb5fa89 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -221,6 +221,18 @@ #define trace_xfs_ag_resv_alloc_extent(...) ((void) 0) #define trace_xfs_ag_resv_free_extent(...) ((void) 0) +#define trace_xfs_refcountbt_lookup(...) ((void) 0) +#define trace_xfs_refcountbt_get(...) ((void) 0) +#define trace_xfs_refcountbt_update(...) ((void) 0) +#define trace_xfs_refcountbt_update_error(...) ((void) 0) +#define trace_xfs_refcountbt_insert(...) ((void) 0) +#define trace_xfs_refcountbt_insert_error(...) ((void) 0) +#define trace_xfs_refcountbt_delete(...) ((void) 0) +#define trace_xfs_refcountbt_delete_error(...) ((void) 0) +#define trace_xfs_refcountbt_free_block(...) ((void) 0) +#define trace_xfs_refcountbt_alloc_block(...) ((void) 0) +#define trace_xfs_refcount_rec_order_error(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/Makefile b/libxfs/Makefile index c31a2e9..4b1ada0 100644 --- a/libxfs/Makefile +++ b/libxfs/Makefile @@ -37,6 +37,7 @@ HFILES = \ xfs_inode_buf.h \ xfs_inode_fork.h \ xfs_quota_defs.h \ + xfs_refcount.h \ xfs_refcount_btree.h \ xfs_rmap_btree.h \ xfs_sb.h \ @@ -86,6 +87,7 @@ CFILES = cache.c \ xfs_inode_fork.c \ xfs_ialloc_btree.c \ xfs_log_rlimit.c \ + xfs_refcount.c \ xfs_refcount_btree.c \ xfs_rmap.c \ xfs_rmap_btree.c \ diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 6e6ada8..6554ce7 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -2322,6 +2322,10 @@ xfs_alloc_log_agf( offsetof(xfs_agf_t, agf_longest), offsetof(xfs_agf_t, agf_btreeblks), offsetof(xfs_agf_t, agf_uuid), + offsetof(xfs_agf_t, agf_refcount_root), + offsetof(xfs_agf_t, agf_refcount_level), + /* needed so that we don't log the whole rest of the structure: */ + offsetof(xfs_agf_t, agf_spare64), sizeof(xfs_agf_t) }; diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 916d92b..fdeaf53 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -680,7 +680,10 @@ typedef struct xfs_agf { #define XFS_AGF_LONGEST 0x00000400 #define XFS_AGF_BTREEBLKS 0x00000800 #define XFS_AGF_UUID 0x00001000 -#define XFS_AGF_NUM_BITS 13 +#define XFS_AGF_REFCOUNT_ROOT 0x00002000 +#define XFS_AGF_REFCOUNT_LEVEL 0x00004000 +#define XFS_AGF_SPARE64 0x00008000 +#define XFS_AGF_NUM_BITS 16 #define XFS_AGF_ALL_BITS ((1 << XFS_AGF_NUM_BITS) - 1) #define XFS_AGF_FLAGS \ diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c new file mode 100644 index 0000000..0eda933 --- /dev/null +++ b/libxfs/xfs_refcount.c @@ -0,0 +1,176 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs_priv.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_log_format.h" +#include "xfs_trans_resv.h" +#include "xfs_sb.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_btree.h" +#include "xfs_bmap.h" +#include "xfs_refcount_btree.h" +#include "xfs_alloc.h" +#include "xfs_trace.h" +#include "xfs_cksum.h" +#include "xfs_trans.h" +#include "xfs_bit.h" +#include "xfs_refcount.h" + +/* + * Look up the first record less than or equal to [bno, len] in the btree + * given by cur. + */ +int +xfs_refcountbt_lookup_le( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + int *stat) +{ + trace_xfs_refcountbt_lookup(cur->bc_mp, cur->bc_private.a.agno, bno, + XFS_LOOKUP_LE); + cur->bc_rec.rc.rc_startblock = bno; + cur->bc_rec.rc.rc_blockcount = 0; + return xfs_btree_lookup(cur, XFS_LOOKUP_LE, stat); +} + +/* + * Look up the first record greater than or equal to [bno, len] in the btree + * given by cur. + */ +int +xfs_refcountbt_lookup_ge( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + int *stat) +{ + trace_xfs_refcountbt_lookup(cur->bc_mp, cur->bc_private.a.agno, bno, + XFS_LOOKUP_GE); + cur->bc_rec.rc.rc_startblock = bno; + cur->bc_rec.rc.rc_blockcount = 0; + return xfs_btree_lookup(cur, XFS_LOOKUP_GE, stat); +} + +/* + * Get the data from the pointed-to record. + */ +int +xfs_refcountbt_get_rec( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *irec, + int *stat) +{ + union xfs_btree_rec *rec; + int error; + + error = xfs_btree_get_rec(cur, &rec, stat); + if (!error && *stat == 1) { + irec->rc_startblock = be32_to_cpu(rec->refc.rc_startblock); + irec->rc_blockcount = be32_to_cpu(rec->refc.rc_blockcount); + irec->rc_refcount = be32_to_cpu(rec->refc.rc_refcount); + trace_xfs_refcountbt_get(cur->bc_mp, cur->bc_private.a.agno, + irec); + } + return error; +} + +/* + * Update the record referred to by cur to the value given + * by [bno, len, refcount]. + * This either works (return 0) or gets an EFSCORRUPTED error. + */ +STATIC int +xfs_refcountbt_update( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *irec) +{ + union xfs_btree_rec rec; + int error; + + trace_xfs_refcountbt_update(cur->bc_mp, cur->bc_private.a.agno, irec); + rec.refc.rc_startblock = cpu_to_be32(irec->rc_startblock); + rec.refc.rc_blockcount = cpu_to_be32(irec->rc_blockcount); + rec.refc.rc_refcount = cpu_to_be32(irec->rc_refcount); + error = xfs_btree_update(cur, &rec); + if (error) + trace_xfs_refcountbt_update_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Insert the record referred to by cur to the value given + * by [bno, len, refcount]. + * This either works (return 0) or gets an EFSCORRUPTED error. + */ +STATIC int +xfs_refcountbt_insert( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *irec, + int *i) +{ + int error; + + trace_xfs_refcountbt_insert(cur->bc_mp, cur->bc_private.a.agno, irec); + cur->bc_rec.rc.rc_startblock = irec->rc_startblock; + cur->bc_rec.rc.rc_blockcount = irec->rc_blockcount; + cur->bc_rec.rc.rc_refcount = irec->rc_refcount; + error = xfs_btree_insert(cur, i); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, *i == 1, out_error); +out_error: + if (error) + trace_xfs_refcountbt_insert_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Remove the record referred to by cur, then set the pointer to the spot + * where the record could be re-inserted, in case we want to increment or + * decrement the cursor. + * This either works (return 0) or gets an EFSCORRUPTED error. + */ +STATIC int +xfs_refcountbt_delete( + struct xfs_btree_cur *cur, + int *i) +{ + struct xfs_refcount_irec irec; + int found_rec; + int error; + + error = xfs_refcountbt_get_rec(cur, &irec, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + trace_xfs_refcountbt_delete(cur->bc_mp, cur->bc_private.a.agno, &irec); + error = xfs_btree_delete(cur, i); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, *i == 1, out_error); + if (error) + goto out_error; + error = xfs_refcountbt_lookup_ge(cur, irec.rc_startblock, &found_rec); +out_error: + if (error) + trace_xfs_refcountbt_delete_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} diff --git a/libxfs/xfs_refcount.h b/libxfs/xfs_refcount.h new file mode 100644 index 0000000..8ea65c6 --- /dev/null +++ b/libxfs/xfs_refcount.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_REFCOUNT_H__ +#define __XFS_REFCOUNT_H__ + +extern int xfs_refcountbt_lookup_le(struct xfs_btree_cur *cur, + xfs_agblock_t bno, int *stat); +extern int xfs_refcountbt_lookup_ge(struct xfs_btree_cur *cur, + xfs_agblock_t bno, int *stat); +extern int xfs_refcountbt_get_rec(struct xfs_btree_cur *cur, + struct xfs_refcount_irec *irec, int *stat); + +#endif /* __XFS_REFCOUNT_H__ */ diff --git a/libxfs/xfs_refcount_btree.c b/libxfs/xfs_refcount_btree.c index a7b99e4..8c53e71 100644 --- a/libxfs/xfs_refcount_btree.c +++ b/libxfs/xfs_refcount_btree.c @@ -43,6 +43,153 @@ xfs_refcountbt_dup_cursor( cur->bc_private.a.dfops); } +STATIC void +xfs_refcountbt_set_root( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr, + int inc) +{ + struct xfs_buf *agbp = cur->bc_private.a.agbp; + struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp); + xfs_agnumber_t seqno = be32_to_cpu(agf->agf_seqno); + struct xfs_perag *pag = xfs_perag_get(cur->bc_mp, seqno); + + ASSERT(ptr->s != 0); + + agf->agf_refcount_root = ptr->s; + be32_add_cpu(&agf->agf_refcount_level, inc); + pag->pagf_refcount_level += inc; + xfs_perag_put(pag); + + xfs_alloc_log_agf(cur->bc_tp, agbp, + XFS_AGF_REFCOUNT_ROOT | XFS_AGF_REFCOUNT_LEVEL); +} + +STATIC int +xfs_refcountbt_alloc_block( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *start, + union xfs_btree_ptr *new, + int *stat) +{ + struct xfs_alloc_arg args; /* block allocation args */ + int error; /* error return value */ + + memset(&args, 0, sizeof(args)); + args.tp = cur->bc_tp; + args.mp = cur->bc_mp; + args.type = XFS_ALLOCTYPE_NEAR_BNO; + args.fsbno = XFS_AGB_TO_FSB(cur->bc_mp, cur->bc_private.a.agno, + xfs_refc_block(args.mp)); + args.firstblock = args.fsbno; + xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_REFC); + args.minlen = args.maxlen = args.prod = 1; + + error = xfs_alloc_vextent(&args); + if (error) + goto out_error; + trace_xfs_refcountbt_alloc_block(cur->bc_mp, cur->bc_private.a.agno, + args.agbno, 1); + if (args.fsbno == NULLFSBLOCK) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + *stat = 0; + return 0; + } + ASSERT(args.agno == cur->bc_private.a.agno); + ASSERT(args.len == 1); + + new->s = cpu_to_be32(args.agbno); + + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); + *stat = 1; + return 0; + +out_error: + XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); + return error; +} + +STATIC int +xfs_refcountbt_free_block( + struct xfs_btree_cur *cur, + struct xfs_buf *bp) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_trans *tp = cur->bc_tp; + xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); + struct xfs_owner_info oinfo; + + trace_xfs_refcountbt_free_block(cur->bc_mp, cur->bc_private.a.agno, + XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno), 1); + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_REFC); + xfs_bmap_add_free(mp, cur->bc_private.a.dfops, fsbno, 1, + &oinfo); + xfs_trans_binval(tp, bp); + return 0; +} + +STATIC int +xfs_refcountbt_get_minrecs( + struct xfs_btree_cur *cur, + int level) +{ + return cur->bc_mp->m_refc_mnr[level != 0]; +} + +STATIC int +xfs_refcountbt_get_maxrecs( + struct xfs_btree_cur *cur, + int level) +{ + return cur->bc_mp->m_refc_mxr[level != 0]; +} + +STATIC void +xfs_refcountbt_init_key_from_rec( + union xfs_btree_key *key, + union xfs_btree_rec *rec) +{ + ASSERT(rec->refc.rc_startblock != 0); + + key->refc.rc_startblock = rec->refc.rc_startblock; +} + +STATIC void +xfs_refcountbt_init_rec_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_rec *rec) +{ + ASSERT(cur->bc_rec.rc.rc_startblock != 0); + + rec->refc.rc_startblock = cpu_to_be32(cur->bc_rec.rc.rc_startblock); + rec->refc.rc_blockcount = cpu_to_be32(cur->bc_rec.rc.rc_blockcount); + rec->refc.rc_refcount = cpu_to_be32(cur->bc_rec.rc.rc_refcount); +} + +STATIC void +xfs_refcountbt_init_ptr_from_cur( + struct xfs_btree_cur *cur, + union xfs_btree_ptr *ptr) +{ + struct xfs_agf *agf = XFS_BUF_TO_AGF(cur->bc_private.a.agbp); + + ASSERT(cur->bc_private.a.agno == be32_to_cpu(agf->agf_seqno)); + ASSERT(agf->agf_refcount_root != 0); + + ptr->s = agf->agf_refcount_root; +} + +STATIC __int64_t +xfs_refcountbt_key_diff( + struct xfs_btree_cur *cur, + union xfs_btree_key *key) +{ + struct xfs_refcount_irec *rec = &cur->bc_rec.rc; + struct xfs_refcount_key *kp = &key->refc; + + return (__int64_t)be32_to_cpu(kp->rc_startblock) - rec->rc_startblock; +} + STATIC bool xfs_refcountbt_verify( struct xfs_buf *bp) @@ -105,12 +252,62 @@ const struct xfs_buf_ops xfs_refcountbt_buf_ops = { .verify_write = xfs_refcountbt_write_verify, }; +#if defined(DEBUG) || defined(XFS_WARN) +STATIC int +xfs_refcountbt_keys_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return be32_to_cpu(k1->refc.rc_startblock) < + be32_to_cpu(k2->refc.rc_startblock); +} + +STATIC int +xfs_refcountbt_recs_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_rec *r1, + union xfs_btree_rec *r2) +{ + struct xfs_refcount_irec a, b; + + int ret = be32_to_cpu(r1->refc.rc_startblock) + + be32_to_cpu(r1->refc.rc_blockcount) <= + be32_to_cpu(r2->refc.rc_startblock); + if (!ret) { + a.rc_startblock = be32_to_cpu(r1->refc.rc_startblock); + a.rc_blockcount = be32_to_cpu(r1->refc.rc_blockcount); + a.rc_refcount = be32_to_cpu(r1->refc.rc_refcount); + b.rc_startblock = be32_to_cpu(r2->refc.rc_startblock); + b.rc_blockcount = be32_to_cpu(r2->refc.rc_blockcount); + b.rc_refcount = be32_to_cpu(r2->refc.rc_refcount); + trace_xfs_refcount_rec_order_error(cur->bc_mp, + cur->bc_private.a.agno, &a, &b); + } + + return ret; +} +#endif /* DEBUG */ + static const struct xfs_btree_ops xfs_refcountbt_ops = { .rec_len = sizeof(struct xfs_refcount_rec), .key_len = sizeof(struct xfs_refcount_key), .dup_cursor = xfs_refcountbt_dup_cursor, + .set_root = xfs_refcountbt_set_root, + .alloc_block = xfs_refcountbt_alloc_block, + .free_block = xfs_refcountbt_free_block, + .get_minrecs = xfs_refcountbt_get_minrecs, + .get_maxrecs = xfs_refcountbt_get_maxrecs, + .init_key_from_rec = xfs_refcountbt_init_key_from_rec, + .init_rec_from_cur = xfs_refcountbt_init_rec_from_cur, + .init_ptr_from_cur = xfs_refcountbt_init_ptr_from_cur, + .key_diff = xfs_refcountbt_key_diff, .buf_ops = &xfs_refcountbt_buf_ops, +#if defined(DEBUG) || defined(XFS_WARN) + .keys_inorder = xfs_refcountbt_keys_inorder, + .recs_inorder = xfs_refcountbt_recs_inorder, +#endif }; /* From darrick.wong@oracle.com Thu Jun 16 20:39:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8F88882A8 for ; Thu, 16 Jun 2016 20:39:18 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4F134304048 for ; Thu, 16 Jun 2016 18:39:18 -0700 (PDT) X-ASG-Debug-ID: 1466127556-04bdf01e17963c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id pVGX7CHGuQ3lCjIQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:16 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1dCH8020083 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:39:12 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1dCR1002790 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:12 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1d9M5011939; Fri, 17 Jun 2016 01:39:10 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:07 -0700 Subject: [PATCH 079/145] xfs: create refcount update intent log items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 079/145] xfs: create refcount update intent log items To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:39:05 -0700 Message-ID: <146612754567.16048.14742882191402291990.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127556 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3521 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create refcount update intent/done log items to record redo information in the log. Because we need to roll transactions between updating the bmbt mapping and updating the reverse mapping, we also have to track the status of the metadata updates that will be recorded in the post-roll transactions, just in case we crash before committing the final transaction. This mechanism enables log recovery to finish what was already started. Signed-off-by: Darrick J. Wong --- libxfs/xfs_log_format.h | 54 +++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 52 insertions(+), 2 deletions(-) diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h index b9627b7..923b08f 100644 --- a/libxfs/xfs_log_format.h +++ b/libxfs/xfs_log_format.h @@ -112,7 +112,9 @@ static inline uint xlog_get_cycle(char *ptr) #define XLOG_REG_TYPE_ICREATE 20 #define XLOG_REG_TYPE_RUI_FORMAT 21 #define XLOG_REG_TYPE_RUD_FORMAT 22 -#define XLOG_REG_TYPE_MAX 22 +#define XLOG_REG_TYPE_CUI_FORMAT 23 +#define XLOG_REG_TYPE_CUD_FORMAT 24 +#define XLOG_REG_TYPE_MAX 24 /* * Flags to log operation header @@ -231,6 +233,8 @@ typedef struct xfs_trans_header { #define XFS_LI_ICREATE 0x123f #define XFS_LI_RUI 0x1240 /* rmap update intent */ #define XFS_LI_RUD 0x1241 +#define XFS_LI_CUI 0x1242 /* refcount update intent */ +#define XFS_LI_CUD 0x1243 #define XFS_LI_TYPE_DESC \ { XFS_LI_EFI, "XFS_LI_EFI" }, \ @@ -242,7 +246,9 @@ typedef struct xfs_trans_header { { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }, \ { XFS_LI_ICREATE, "XFS_LI_ICREATE" }, \ { XFS_LI_RUI, "XFS_LI_RUI" }, \ - { XFS_LI_RUD, "XFS_LI_RUD" } + { XFS_LI_RUD, "XFS_LI_RUD" }, \ + { XFS_LI_CUI, "XFS_LI_CUI" }, \ + { XFS_LI_CUD, "XFS_LI_CUD" } /* * Inode Log Item Format definitions. @@ -667,6 +673,50 @@ struct xfs_rud_log_format { }; /* + * CUI/CUD (refcount update) log format definitions + */ +struct xfs_phys_extent { + __uint64_t pe_startblock; + __uint32_t pe_len; + __uint32_t pe_flags; +}; + +/* refcount pe_flags: upper bits are flags, lower byte is type code */ +#define XFS_REFCOUNT_EXTENT_INCREASE 1 +#define XFS_REFCOUNT_EXTENT_DECREASE 2 +#define XFS_REFCOUNT_EXTENT_ALLOC_COW 3 +#define XFS_REFCOUNT_EXTENT_FREE_COW 4 +#define XFS_REFCOUNT_EXTENT_TYPE_MASK 0xFF + +#define XFS_REFCOUNT_EXTENT_FLAGS (XFS_REFCOUNT_EXTENT_TYPE_MASK) + +/* + * This is the structure used to lay out a cui log item in the + * log. The cui_extents field is a variable size array whose + * size is given by cui_nextents. + */ +struct xfs_cui_log_format { + __uint16_t cui_type; /* cui log item type */ + __uint16_t cui_size; /* size of this item */ + __uint32_t cui_nextents; /* # extents to free */ + __uint64_t cui_id; /* cui identifier */ + struct xfs_phys_extent cui_extents[1]; /* array of extents */ +}; + +/* + * This is the structure used to lay out a cud log item in the + * log. The cud_extents array is a variable size array whose + * size is given by cud_nextents; + */ +struct xfs_cud_log_format { + __uint16_t cud_type; /* cud log item type */ + __uint16_t cud_size; /* size of this item */ + __uint32_t cud_nextents; /* # of extents freed */ + __uint64_t cud_cui_id; /* id of corresponding cui */ + struct xfs_phys_extent cud_extents[1]; /* array of extents */ +}; + +/* * Dquot Log format definitions. * * The first two fields must be the type and size fitting into From darrick.wong@oracle.com Thu Jun 16 20:39:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9D68482B2 for ; Thu, 16 Jun 2016 20:39:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5D595304039 for ; Thu, 16 Jun 2016 18:39:22 -0700 (PDT) X-ASG-Debug-ID: 1466127560-04bdf01e10963c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id XdAVgvYTDCEyQEtD (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1dIq2007619 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:39:19 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1dIdQ002964 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:18 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1dFEN011955; Fri, 17 Jun 2016 01:39:16 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:15 -0700 Subject: [PATCH 080/145] xfs: log refcount intent items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 080/145] xfs: log refcount intent items To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:39:14 -0700 Message-ID: <146612755414.16048.15708229067581853.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127560 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1071 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a mechanism for higher levels to create CUI/CUD items, submit them to the log, and a stub function to deal with recovered CUI items. These parts will be connected to the refcountbt in a later patch. Signed-off-by: Darrick J. Wong --- libxfs/xfs_refcount.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/libxfs/xfs_refcount.h b/libxfs/xfs_refcount.h index 8ea65c6..0b36c1d 100644 --- a/libxfs/xfs_refcount.h +++ b/libxfs/xfs_refcount.h @@ -27,4 +27,18 @@ extern int xfs_refcountbt_lookup_ge(struct xfs_btree_cur *cur, extern int xfs_refcountbt_get_rec(struct xfs_btree_cur *cur, struct xfs_refcount_irec *irec, int *stat); +enum xfs_refcount_intent_type { + XFS_REFCOUNT_INCREASE, + XFS_REFCOUNT_DECREASE, + XFS_REFCOUNT_ALLOC_COW, + XFS_REFCOUNT_FREE_COW, +}; + +struct xfs_refcount_intent { + struct list_head ri_list; + enum xfs_refcount_intent_type ri_type; + xfs_fsblock_t ri_startblock; + xfs_extlen_t ri_blockcount; +}; + #endif /* __XFS_REFCOUNT_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:39:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 762A482B1 for ; Thu, 16 Jun 2016 20:39:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 45B678F804B for ; Thu, 16 Jun 2016 18:39:34 -0700 (PDT) X-ASG-Debug-ID: 1466127569-04cb6c542658170001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 9vBuJW9HVSeccYvQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:29 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1dOTZ020238 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:25 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1dOG7009888 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:24 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1dM9c012001; Fri, 17 Jun 2016 01:39:23 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:21 -0700 Subject: [PATCH 081/145] xfs: adjust refcount of an extent of blocks in refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 081/145] xfs: adjust refcount of an extent of blocks in refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:39:20 -0700 Message-ID: <146612756022.16048.618610283366394250.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127569 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 26045 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide functions to adjust the reference counts for an extent of physical blocks stored in the refcount btree. v2: Refactor the left/right split code into a single function. Track the number of btree shape changes and record updates during a refcount update so that we can decide if we need to get a fresh transaction to continue. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 20 + libxfs/xfs_refcount.c | 783 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 803 insertions(+) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index cb5fa89..0b167e9 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -232,6 +232,26 @@ #define trace_xfs_refcountbt_free_block(...) ((void) 0) #define trace_xfs_refcountbt_alloc_block(...) ((void) 0) #define trace_xfs_refcount_rec_order_error(...) ((void) 0) +#define trace_xfs_refcount_split_extent(...) ((void) 0) +#define trace_xfs_refcount_split_extent_error(...) ((void) 0) +#define trace_xfs_refcount_merge_center_extents_error(...) ((void) 0) +#define trace_xfs_refcount_merge_left_extent_error(...) ((void) 0) +#define trace_xfs_refcount_merge_right_extent_error(...) ((void) 0) +#define trace_xfs_refcount_find_left_extent(...) ((void) 0) +#define trace_xfs_refcount_find_left_extent_error(...) ((void) 0) +#define trace_xfs_refcount_find_right_extent(...) ((void) 0) +#define trace_xfs_refcount_find_right_extent_error(...) ((void) 0) +#define trace_xfs_refcount_merge_center_extents(...) ((void) 0) +#define trace_xfs_refcount_merge_left_extent(...) ((void) 0) +#define trace_xfs_refcount_merge_right_extent(...) ((void) 0) +#define trace_xfs_refcount_modify_extent(...) ((void) 0) +#define trace_xfs_refcount_modify_extent_error(...) ((void) 0) +#define trace_xfs_refcount_adjust_error(...) ((void) 0) +#define trace_xfs_refcount_increase(...) ((void) 0) +#define trace_xfs_refcount_decrease(...) ((void) 0) +#define trace_xfs_refcount_deferred(...) ((void) 0) +#define trace_xfs_refcount_defer(...) ((void) 0) +#define trace_xfs_refcount_finish_one_leftover(...) ((void) 0) /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c index 0eda933..cd68c1e 100644 --- a/libxfs/xfs_refcount.c +++ b/libxfs/xfs_refcount.c @@ -36,6 +36,12 @@ #include "xfs_bit.h" #include "xfs_refcount.h" +/* Allowable refcount adjustment amounts. */ +enum xfs_refc_adjust_op { + XFS_REFCOUNT_ADJUST_INCREASE = 1, + XFS_REFCOUNT_ADJUST_DECREASE = -1, +}; + /* * Look up the first record less than or equal to [bno, len] in the btree * given by cur. @@ -174,3 +180,780 @@ out_error: cur->bc_private.a.agno, error, _RET_IP_); return error; } + +/* + * Adjusting the Reference Count + * + * As stated elsewhere, the reference count btree (refcbt) stores + * >1 reference counts for extents of physical blocks. In this + * operation, we're either raising or lowering the reference count of + * some subrange stored in the tree: + * + * <------ adjustment range ------> + * ----+ +---+-----+ +--+--------+--------- + * 2 | | 3 | 4 | |17| 55 | 10 + * ----+ +---+-----+ +--+--------+--------- + * X axis is physical blocks number; + * reference counts are the numbers inside the rectangles + * + * The first thing we need to do is to ensure that there are no + * refcount extents crossing either boundary of the range to be + * adjusted. For any extent that does cross a boundary, split it into + * two extents so that we can increment the refcount of one of the + * pieces later: + * + * <------ adjustment range ------> + * ----+ +---+-----+ +--+--------+----+---- + * 2 | | 3 | 2 | |17| 55 | 10 | 10 + * ----+ +---+-----+ +--+--------+----+---- + * + * For this next step, let's assume that all the physical blocks in + * the adjustment range are mapped to a file and are therefore in use + * at least once. Therefore, we can infer that any gap in the + * refcount tree within the adjustment range represents a physical + * extent with refcount == 1: + * + * <------ adjustment range ------> + * ----+---+---+-----+-+--+--------+----+---- + * 2 |"1"| 3 | 2 |1|17| 55 | 10 | 10 + * ----+---+---+-----+-+--+--------+----+---- + * ^ + * + * For each extent that falls within the interval range, figure out + * which extent is to the left or the right of that extent. Now we + * have a left, current, and right extent. If the new reference count + * of the center extent enables us to merge left, center, and right + * into one record covering all three, do so. If the center extent is + * at the left end of the range, abuts the left extent, and its new + * reference count matches the left extent's record, then merge them. + * If the center extent is at the right end of the range, abuts the + * right extent, and the reference counts match, merge those. In the + * example, we can left merge (assuming an increment operation): + * + * <------ adjustment range ------> + * --------+---+-----+-+--+--------+----+---- + * 2 | 3 | 2 |1|17| 55 | 10 | 10 + * --------+---+-----+-+--+--------+----+---- + * ^ + * + * For all other extents within the range, adjust the reference count + * or delete it if the refcount falls below 2. If we were + * incrementing, the end result looks like this: + * + * <------ adjustment range ------> + * --------+---+-----+-+--+--------+----+---- + * 2 | 4 | 3 |2|18| 56 | 11 | 10 + * --------+---+-----+-+--+--------+----+---- + * + * The result of a decrement operation looks as such: + * + * <------ adjustment range ------> + * ----+ +---+ +--+--------+----+---- + * 2 | | 2 | |16| 54 | 9 | 10 + * ----+ +---+ +--+--------+----+---- + * DDDD 111111DD + * + * The blocks marked "D" are freed; the blocks marked "1" are only + * referenced once and therefore the record is removed from the + * refcount btree. + */ + +#define RCNEXT(rc) ((rc).rc_startblock + (rc).rc_blockcount) +/* + * Split a refcount extent that crosses agbno. + */ +STATIC int +xfs_refcount_split_extent( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + bool *shape_changed) +{ + struct xfs_refcount_irec rcext, tmp; + int found_rec; + int error; + + *shape_changed = false; + error = xfs_refcountbt_lookup_le(cur, agbno, &found_rec); + if (error) + goto out_error; + if (!found_rec) + return 0; + + error = xfs_refcountbt_get_rec(cur, &rcext, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + if (rcext.rc_startblock == agbno || RCNEXT(rcext) <= agbno) + return 0; + + *shape_changed = true; + trace_xfs_refcount_split_extent(cur->bc_mp, cur->bc_private.a.agno, + &rcext, agbno); + + /* Establish the right extent. */ + tmp = rcext; + tmp.rc_startblock = agbno; + tmp.rc_blockcount -= (agbno - rcext.rc_startblock); + error = xfs_refcountbt_update(cur, &tmp); + if (error) + goto out_error; + + /* Insert the left extent. */ + tmp = rcext; + tmp.rc_blockcount = agbno - rcext.rc_startblock; + error = xfs_refcountbt_insert(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + return error; + +out_error: + trace_xfs_refcount_split_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Merge the left, center, and right extents. + */ +STATIC int +xfs_refcount_merge_center_extent( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *left, + struct xfs_refcount_irec *center, + unsigned long long extlen, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen) +{ + int error; + int found_rec; + + error = xfs_refcountbt_lookup_ge(cur, center->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + if (center->rc_refcount > 1) { + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + } + + error = xfs_refcountbt_lookup_le(cur, left->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + left->rc_blockcount = extlen; + error = xfs_refcountbt_update(cur, left); + if (error) + goto out_error; + + *aglen = 0; + return error; + +out_error: + trace_xfs_refcount_merge_center_extents_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Merge with the left extent. + */ +STATIC int +xfs_refcount_merge_left_extent( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *left, + struct xfs_refcount_irec *cleft, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen) +{ + int error; + int found_rec; + + if (cleft->rc_refcount > 1) { + error = xfs_refcountbt_lookup_le(cur, cleft->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + } + + error = xfs_refcountbt_lookup_le(cur, left->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + left->rc_blockcount += cleft->rc_blockcount; + error = xfs_refcountbt_update(cur, left); + if (error) + goto out_error; + + *agbno += cleft->rc_blockcount; + *aglen -= cleft->rc_blockcount; + return error; + +out_error: + trace_xfs_refcount_merge_left_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Merge with the right extent. + */ +STATIC int +xfs_refcount_merge_right_extent( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *right, + struct xfs_refcount_irec *cright, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen) +{ + int error; + int found_rec; + + if (cright->rc_refcount > 1) { + error = xfs_refcountbt_lookup_le(cur, cright->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + } + + error = xfs_refcountbt_lookup_le(cur, right->rc_startblock, + &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + right->rc_startblock -= cright->rc_blockcount; + right->rc_blockcount += cright->rc_blockcount; + error = xfs_refcountbt_update(cur, right); + if (error) + goto out_error; + + *aglen -= cright->rc_blockcount; + return error; + +out_error: + trace_xfs_refcount_merge_right_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Find the left extent and the one after it (cleft). This function assumes + * that we've already split any extent crossing agbno. + */ +STATIC int +xfs_refcount_find_left_extents( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *left, + struct xfs_refcount_irec *cleft, + xfs_agblock_t agbno, + xfs_extlen_t aglen) +{ + struct xfs_refcount_irec tmp; + int error; + int found_rec; + + left->rc_blockcount = cleft->rc_blockcount = 0; + error = xfs_refcountbt_lookup_le(cur, agbno - 1, &found_rec); + if (error) + goto out_error; + if (!found_rec) + return 0; + + error = xfs_refcountbt_get_rec(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + if (RCNEXT(tmp) != agbno) + return 0; + /* We have a left extent; retrieve (or invent) the next right one */ + *left = tmp; + + error = xfs_btree_increment(cur, 0, &found_rec); + if (error) + goto out_error; + if (found_rec) { + error = xfs_refcountbt_get_rec(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + + /* if tmp starts at the end of our range, just use that */ + if (tmp.rc_startblock == agbno) + *cleft = tmp; + else { + /* + * There's a gap in the refcntbt at the start of the + * range we're interested in (refcount == 1) so + * create the implied extent and pass it back. + */ + cleft->rc_startblock = agbno; + cleft->rc_blockcount = min(aglen, + tmp.rc_startblock - agbno); + cleft->rc_refcount = 1; + } + } else { + /* + * No extents, so pretend that there's one covering the whole + * range. + */ + cleft->rc_startblock = agbno; + cleft->rc_blockcount = aglen; + cleft->rc_refcount = 1; + } + trace_xfs_refcount_find_left_extent(cur->bc_mp, cur->bc_private.a.agno, + left, cleft, agbno); + return error; + +out_error: + trace_xfs_refcount_find_left_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Find the right extent and the one before it (cright). This function + * assumes that we've already split any extents crossing agbno + aglen. + */ +STATIC int +xfs_refcount_find_right_extents( + struct xfs_btree_cur *cur, + struct xfs_refcount_irec *right, + struct xfs_refcount_irec *cright, + xfs_agblock_t agbno, + xfs_extlen_t aglen) +{ + struct xfs_refcount_irec tmp; + int error; + int found_rec; + + right->rc_blockcount = cright->rc_blockcount = 0; + error = xfs_refcountbt_lookup_ge(cur, agbno + aglen, &found_rec); + if (error) + goto out_error; + if (!found_rec) + return 0; + + error = xfs_refcountbt_get_rec(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, out_error); + + if (tmp.rc_startblock != agbno + aglen) + return 0; + /* We have a right extent; retrieve (or invent) the next left one */ + *right = tmp; + + error = xfs_btree_decrement(cur, 0, &found_rec); + if (error) + goto out_error; + if (found_rec) { + error = xfs_refcountbt_get_rec(cur, &tmp, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, found_rec == 1, + out_error); + + /* if tmp ends at the end of our range, just use that */ + if (RCNEXT(tmp) == agbno + aglen) + *cright = tmp; + else { + /* + * There's a gap in the refcntbt at the end of the + * range we're interested in (refcount == 1) so + * create the implied extent and pass it back. + */ + cright->rc_startblock = max(agbno, RCNEXT(tmp)); + cright->rc_blockcount = right->rc_startblock - + cright->rc_startblock; + cright->rc_refcount = 1; + } + } else { + /* + * No extents, so pretend that there's one covering the whole + * range. + */ + cright->rc_startblock = agbno; + cright->rc_blockcount = aglen; + cright->rc_refcount = 1; + } + trace_xfs_refcount_find_right_extent(cur->bc_mp, cur->bc_private.a.agno, + cright, right, agbno + aglen); + return error; + +out_error: + trace_xfs_refcount_find_right_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} +#undef RCNEXT + +/* + * Try to merge with any extents on the boundaries of the adjustment range. + */ +STATIC int +xfs_refcount_merge_extents( + struct xfs_btree_cur *cur, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen, + enum xfs_refc_adjust_op adjust, + bool *shape_changed) +{ + struct xfs_refcount_irec left = {0}, cleft = {0}; + struct xfs_refcount_irec cright = {0}, right = {0}; + int error; + unsigned long long ulen; + bool cequal; + + *shape_changed = false; + /* + * Find the extent just below agbno [left], just above agbno [cleft], + * just below (agbno + aglen) [cright], and just above (agbno + aglen) + * [right]. + */ + error = xfs_refcount_find_left_extents(cur, &left, &cleft, *agbno, + *aglen); + if (error) + return error; + error = xfs_refcount_find_right_extents(cur, &right, &cright, *agbno, + *aglen); + if (error) + return error; + + /* No left or right extent to merge; exit. */ + if (left.rc_blockcount == 0 && right.rc_blockcount == 0) + return 0; + + *shape_changed = true; + cequal = (cleft.rc_startblock == cright.rc_startblock) && + (cleft.rc_blockcount == cright.rc_blockcount); + + /* Try to merge left, cleft, and right. cleft must == cright. */ + ulen = (unsigned long long)left.rc_blockcount + cleft.rc_blockcount + + right.rc_blockcount; + if (left.rc_blockcount != 0 && right.rc_blockcount != 0 && + cleft.rc_blockcount != 0 && cright.rc_blockcount != 0 && + cequal && + left.rc_refcount == cleft.rc_refcount + adjust && + right.rc_refcount == cleft.rc_refcount + adjust && + ulen < MAXREFCEXTLEN) { + trace_xfs_refcount_merge_center_extents(cur->bc_mp, + cur->bc_private.a.agno, &left, &cleft, &right); + return xfs_refcount_merge_center_extent(cur, &left, &cleft, + ulen, agbno, aglen); + } + + /* Try to merge left and cleft. */ + ulen = (unsigned long long)left.rc_blockcount + cleft.rc_blockcount; + if (left.rc_blockcount != 0 && cleft.rc_blockcount != 0 && + left.rc_refcount == cleft.rc_refcount + adjust && + ulen < MAXREFCEXTLEN) { + trace_xfs_refcount_merge_left_extent(cur->bc_mp, + cur->bc_private.a.agno, &left, &cleft); + error = xfs_refcount_merge_left_extent(cur, &left, &cleft, + agbno, aglen); + if (error) + return error; + + /* + * If we just merged left + cleft and cleft == cright, + * we no longer have a cright to merge with right. We're done. + */ + if (cequal) + return 0; + } + + /* Try to merge cright and right. */ + ulen = (unsigned long long)right.rc_blockcount + cright.rc_blockcount; + if (right.rc_blockcount != 0 && cright.rc_blockcount != 0 && + right.rc_refcount == cright.rc_refcount + adjust && + ulen < MAXREFCEXTLEN) { + trace_xfs_refcount_merge_right_extent(cur->bc_mp, + cur->bc_private.a.agno, &cright, &right); + return xfs_refcount_merge_right_extent(cur, &right, &cright, + agbno, aglen); + } + + return error; +} + +/* + * While we're adjusting the refcounts records of an extent, we have + * to keep an eye on the number of extents we're dirtying -- run too + * many in a single transaction and we'll exceed the transaction's + * reservation and crash the fs. Each record adds 12 bytes to the + * log (plus any key updates) so we'll conservatively assume 24 bytes + * per record. We must also leave space for btree splits on both ends + * of the range and space for the CUD and a new CUI. + * + * XXX: This is a pretty hand-wavy estimate. The penalty for guessing + * true incorrectly is a shutdown FS; the penalty for guessing false + * incorrectly is more transaction rolls than might be necessary. + * Be conservative here. + */ +static bool +xfs_refcount_still_have_space( + struct xfs_btree_cur *cur) +{ + unsigned long overhead; + + overhead = cur->bc_private.a.priv.refc.shape_changes * + xfs_allocfree_log_count(cur->bc_mp, 1); + overhead *= cur->bc_mp->m_sb.sb_blocksize; + + /* + * Only allow 2 refcount extent updates per transaction if the + * refcount continue update "error" has been injected. + */ + if (cur->bc_private.a.priv.refc.nr_ops > 2 && + XFS_TEST_ERROR(false, cur->bc_mp, + XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE, + XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE)) + return false; + + if (cur->bc_private.a.priv.refc.nr_ops == 0) + return true; + else if (overhead > cur->bc_tp->t_log_res) + return false; + return cur->bc_tp->t_log_res - overhead > + cur->bc_private.a.priv.refc.nr_ops * 32; +} + +/* + * Adjust the refcounts of middle extents. At this point we should have + * split extents that crossed the adjustment range; merged with adjacent + * extents; and updated agbno/aglen to reflect the merges. Therefore, + * all we have to do is update the extents inside [agbno, agbno + aglen]. + */ +STATIC int +xfs_refcount_adjust_extents( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + xfs_extlen_t *adjusted, + enum xfs_refc_adjust_op adj, + struct xfs_defer_ops *dfops, + struct xfs_owner_info *oinfo) +{ + struct xfs_refcount_irec ext, tmp; + int error; + int found_rec, found_tmp; + xfs_fsblock_t fsbno; + + /* Merging did all the work already. */ + if (aglen == 0) + return 0; + + error = xfs_refcountbt_lookup_ge(cur, agbno, &found_rec); + if (error) + goto out_error; + + while (aglen > 0 && xfs_refcount_still_have_space(cur)) { + error = xfs_refcountbt_get_rec(cur, &ext, &found_rec); + if (error) + goto out_error; + if (!found_rec) { + ext.rc_startblock = cur->bc_mp->m_sb.sb_agblocks; + ext.rc_blockcount = 0; + ext.rc_refcount = 0; + } + + /* + * Deal with a hole in the refcount tree; if a file maps to + * these blocks and there's no refcountbt recourd, pretend that + * there is one with refcount == 1. + */ + if (ext.rc_startblock != agbno) { + tmp.rc_startblock = agbno; + tmp.rc_blockcount = min(aglen, + ext.rc_startblock - agbno); + tmp.rc_refcount = 1 + adj; + trace_xfs_refcount_modify_extent(cur->bc_mp, + cur->bc_private.a.agno, &tmp); + + /* + * Either cover the hole (increment) or + * delete the range (decrement). + */ + if (tmp.rc_refcount) { + error = xfs_refcountbt_insert(cur, &tmp, + &found_tmp); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + found_tmp == 1, out_error); + cur->bc_private.a.priv.refc.nr_ops++; + } else { + fsbno = XFS_AGB_TO_FSB(cur->bc_mp, + cur->bc_private.a.agno, + tmp.rc_startblock); + xfs_bmap_add_free(cur->bc_mp, dfops, fsbno, + tmp.rc_blockcount, oinfo); + } + + (*adjusted) += tmp.rc_blockcount; + agbno += tmp.rc_blockcount; + aglen -= tmp.rc_blockcount; + + error = xfs_refcountbt_lookup_ge(cur, agbno, + &found_rec); + if (error) + goto out_error; + } + + /* Stop if there's nothing left to modify */ + if (aglen == 0 || !xfs_refcount_still_have_space(cur)) + break; + + /* + * Adjust the reference count and either update the tree + * (incr) or free the blocks (decr). + */ + if (ext.rc_refcount == MAXREFCOUNT) + goto skip; + ext.rc_refcount += adj; + trace_xfs_refcount_modify_extent(cur->bc_mp, + cur->bc_private.a.agno, &ext); + if (ext.rc_refcount > 1) { + error = xfs_refcountbt_update(cur, &ext); + if (error) + goto out_error; + cur->bc_private.a.priv.refc.nr_ops++; + } else if (ext.rc_refcount == 1) { + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + found_rec == 1, out_error); + cur->bc_private.a.priv.refc.nr_ops++; + goto advloop; + } else { + fsbno = XFS_AGB_TO_FSB(cur->bc_mp, + cur->bc_private.a.agno, + ext.rc_startblock); + xfs_bmap_add_free(cur->bc_mp, dfops, fsbno, + ext.rc_blockcount, oinfo); + } + +skip: + error = xfs_btree_increment(cur, 0, &found_rec); + if (error) + goto out_error; + +advloop: + (*adjusted) += ext.rc_blockcount; + agbno += ext.rc_blockcount; + aglen -= ext.rc_blockcount; + } + + return error; +out_error: + trace_xfs_refcount_modify_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* Adjust the reference count of a range of AG blocks. */ +STATIC int +xfs_refcount_adjust( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + xfs_extlen_t *adjusted, + enum xfs_refc_adjust_op adj, + struct xfs_defer_ops *dfops, + struct xfs_owner_info *oinfo) +{ + xfs_extlen_t orig_aglen; + bool shape_changed; + int shape_changes = 0; + int error; + + *adjusted = 0; + switch (adj) { + case XFS_REFCOUNT_ADJUST_INCREASE: + trace_xfs_refcount_increase(cur->bc_mp, cur->bc_private.a.agno, + agbno, aglen); + break; + case XFS_REFCOUNT_ADJUST_DECREASE: + trace_xfs_refcount_decrease(cur->bc_mp, cur->bc_private.a.agno, + agbno, aglen); + break; + default: + ASSERT(0); + } + + /* + * Ensure that no rcextents cross the boundary of the adjustment range. + */ + error = xfs_refcount_split_extent(cur, agbno, &shape_changed); + if (error) + goto out_error; + if (shape_changed) + shape_changes++; + + error = xfs_refcount_split_extent(cur, agbno + aglen, &shape_changed); + if (error) + goto out_error; + if (shape_changed) + shape_changes++; + + /* + * Try to merge with the left or right extents of the range. + */ + orig_aglen = aglen; + error = xfs_refcount_merge_extents(cur, &agbno, &aglen, adj, + &shape_changed); + if (error) + goto out_error; + if (shape_changed) + shape_changes++; + (*adjusted) += orig_aglen - aglen; + if (shape_changes) + cur->bc_private.a.priv.refc.shape_changes++; + + /* Now that we've taken care of the ends, adjust the middle extents */ + error = xfs_refcount_adjust_extents(cur, agbno, aglen, adjusted, adj, + dfops, oinfo); + if (error) + goto out_error; + + return 0; + +out_error: + trace_xfs_refcount_adjust_error(cur->bc_mp, cur->bc_private.a.agno, + error, _RET_IP_); + return error; +} From darrick.wong@oracle.com Thu Jun 16 20:39:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6A81282BD for ; Thu, 16 Jun 2016 20:39:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 21823304048 for ; Thu, 16 Jun 2016 18:39:38 -0700 (PDT) X-ASG-Debug-ID: 1466127574-04cbb01fee6a420001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id OlbnEXJ91COIzQhw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:35 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1dUcw020280 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:30 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1dTwm030013 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:30 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1dSkW001682; Fri, 17 Jun 2016 01:39:28 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:27 -0700 Subject: [PATCH 082/145] xfs: connect refcount adjust functions to upper layers From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 082/145] xfs: connect refcount adjust functions to upper layers To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:39:26 -0700 Message-ID: <146612756653.16048.503698193001832949.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127575 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10376 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the upper level interface to schedule and finish deferred refcount operations via the deferred ops mechanism. Signed-off-by: Darrick J. Wong --- libxfs/defer_item.c | 123 +++++++++++++++++++++++++++++++++++ libxfs/xfs_defer.h | 1 libxfs/xfs_refcount.c | 171 +++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_refcount.h | 12 +++ 4 files changed, 307 insertions(+) diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c index d2e4ad0..a383813 100644 --- a/libxfs/defer_item.c +++ b/libxfs/defer_item.c @@ -31,6 +31,7 @@ #include "xfs_bmap.h" #include "xfs_alloc.h" #include "xfs_rmap_btree.h" +#include "xfs_refcount.h" /* Extent Freeing */ @@ -242,12 +243,134 @@ const struct xfs_defer_op_type xfs_rmap_update_defer_type = { .cancel_item = xfs_rmap_update_cancel_item, }; +/* Reference Counting */ + +/* Sort rmap intents by AG. */ +static int +xfs_refcount_update_diff_items( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_mount *mp = priv; + struct xfs_refcount_intent *ra; + struct xfs_refcount_intent *rb; + + ra = container_of(a, struct xfs_refcount_intent, ri_list); + rb = container_of(b, struct xfs_refcount_intent, ri_list); + return XFS_FSB_TO_AGNO(mp, ra->ri_startblock) - + XFS_FSB_TO_AGNO(mp, rb->ri_startblock); +} + +/* Get an CUI. */ +STATIC void * +xfs_refcount_update_create_intent( + struct xfs_trans *tp, + unsigned int count) +{ + return NULL; +} + +/* Log refcount updates in the intent item. */ +STATIC void +xfs_refcount_update_log_item( + struct xfs_trans *tp, + void *intent, + struct list_head *item) +{ +} + +/* Get an CUD so we can process all the deferred refcount updates. */ +STATIC void * +xfs_refcount_update_create_done( + struct xfs_trans *tp, + void *intent, + unsigned int count) +{ + return NULL; +} + +/* Process a deferred refcount update. */ +STATIC int +xfs_refcount_update_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + struct xfs_refcount_intent *refc; + xfs_extlen_t adjusted; + int error; + + refc = container_of(item, struct xfs_refcount_intent, ri_list); + error = xfs_refcount_finish_one(tp, dop, + refc->ri_type, + refc->ri_startblock, + refc->ri_blockcount, + &adjusted, + (struct xfs_btree_cur **)state); + /* Did we run out of reservation? Requeue what we didn't finish. */ + if (!error && adjusted < refc->ri_blockcount) { + ASSERT(refc->ri_type == XFS_REFCOUNT_INCREASE || + refc->ri_type == XFS_REFCOUNT_DECREASE); + refc->ri_startblock += adjusted; + refc->ri_blockcount -= adjusted; + return -EAGAIN; + } + kmem_free(refc); + return error; +} + +/* Clean up after processing deferred refcounts. */ +STATIC void +xfs_refcount_update_finish_cleanup( + struct xfs_trans *tp, + void *state, + int error) +{ + struct xfs_btree_cur *rcur = state; + + xfs_refcount_finish_one_cleanup(tp, rcur, error); +} + +/* Abort all pending CUIs. */ +STATIC void +xfs_refcount_update_abort_intent( + void *intent) +{ +} + +/* Cancel a deferred refcount update. */ +STATIC void +xfs_refcount_update_cancel_item( + struct list_head *item) +{ + struct xfs_refcount_intent *refc; + + refc = container_of(item, struct xfs_refcount_intent, ri_list); + kmem_free(refc); +} + +const struct xfs_defer_op_type xfs_refcount_update_defer_type = { + .type = XFS_DEFER_OPS_TYPE_REFCOUNT, + .diff_items = xfs_refcount_update_diff_items, + .create_intent = xfs_refcount_update_create_intent, + .abort_intent = xfs_refcount_update_abort_intent, + .log_item = xfs_refcount_update_log_item, + .create_done = xfs_refcount_update_create_done, + .finish_item = xfs_refcount_update_finish_item, + .finish_cleanup = xfs_refcount_update_finish_cleanup, + .cancel_item = xfs_refcount_update_cancel_item, +}; + /* Deferred Item Initialization */ /* Initialize the deferred operation types. */ void xfs_defer_init_types(void) { + xfs_defer_init_op_type(&xfs_refcount_update_defer_type); xfs_defer_init_op_type(&xfs_rmap_update_defer_type); xfs_defer_init_op_type(&xfs_extent_free_defer_type); } diff --git a/libxfs/xfs_defer.h b/libxfs/xfs_defer.h index 920642e..4081b00 100644 --- a/libxfs/xfs_defer.h +++ b/libxfs/xfs_defer.h @@ -51,6 +51,7 @@ struct xfs_defer_pending { * find all the space it needs. */ enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_REFCOUNT, XFS_DEFER_OPS_TYPE_RMAP, XFS_DEFER_OPS_TYPE_FREE, XFS_DEFER_OPS_TYPE_MAX, diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c index cd68c1e..55859cd 100644 --- a/libxfs/xfs_refcount.c +++ b/libxfs/xfs_refcount.c @@ -957,3 +957,174 @@ out_error: error, _RET_IP_); return error; } + +/* Clean up after calling xfs_refcount_finish_one. */ +void +xfs_refcount_finish_one_cleanup( + struct xfs_trans *tp, + struct xfs_btree_cur *rcur, + int error) +{ + struct xfs_buf *agbp; + + if (rcur == NULL) + return; + agbp = rcur->bc_private.a.agbp; + xfs_btree_del_cursor(rcur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(tp, agbp); +} + +/* + * Process one of the deferred refcount operations. We pass back the + * btree cursor to maintain our lock on the btree between calls. + * This saves time and eliminates a buffer deadlock between the + * superblock and the AGF because we'll always grab them in the same + * order. + */ +int +xfs_refcount_finish_one( + struct xfs_trans *tp, + struct xfs_defer_ops *dfops, + enum xfs_refcount_intent_type type, + xfs_fsblock_t startblock, + xfs_extlen_t blockcount, + xfs_extlen_t *adjusted, + struct xfs_btree_cur **pcur) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_btree_cur *rcur; + struct xfs_buf *agbp = NULL; + int error = 0; + xfs_agnumber_t agno; + xfs_agblock_t bno; + unsigned long nr_ops = 0; + int shape_changes = 0; + + agno = XFS_FSB_TO_AGNO(mp, startblock); + ASSERT(agno != NULLAGNUMBER); + bno = XFS_FSB_TO_AGBNO(mp, startblock); + + trace_xfs_refcount_deferred(mp, XFS_FSB_TO_AGNO(mp, startblock), + type, XFS_FSB_TO_AGBNO(mp, startblock), + blockcount); + + if (XFS_TEST_ERROR(false, mp, + XFS_ERRTAG_REFCOUNT_FINISH_ONE, + XFS_RANDOM_REFCOUNT_FINISH_ONE)) + return -EIO; + + /* + * If we haven't gotten a cursor or the cursor AG doesn't match + * the startblock, get one now. + */ + rcur = *pcur; + if (rcur != NULL && rcur->bc_private.a.agno != agno) { + nr_ops = rcur->bc_private.a.priv.refc.nr_ops; + shape_changes = rcur->bc_private.a.priv.refc.shape_changes; + xfs_refcount_finish_one_cleanup(tp, rcur, 0); + rcur = NULL; + *pcur = NULL; + } + if (rcur == NULL) { + error = xfs_alloc_read_agf(tp->t_mountp, tp, agno, + XFS_ALLOC_FLAG_FREEING, &agbp); + if (error) + return error; + if (!agbp) + return -EFSCORRUPTED; + + rcur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, dfops); + if (!rcur) { + error = -ENOMEM; + goto out_cur; + } + rcur->bc_private.a.priv.refc.nr_ops = nr_ops; + rcur->bc_private.a.priv.refc.shape_changes = shape_changes; + } + *pcur = rcur; + + switch (type) { + case XFS_REFCOUNT_INCREASE: + error = xfs_refcount_adjust(rcur, bno, blockcount, adjusted, + XFS_REFCOUNT_ADJUST_INCREASE, dfops, NULL); + break; + case XFS_REFCOUNT_DECREASE: + error = xfs_refcount_adjust(rcur, bno, blockcount, adjusted, + XFS_REFCOUNT_ADJUST_DECREASE, dfops, NULL); + break; + default: + ASSERT(0); + error = -EFSCORRUPTED; + } + if (!error && *adjusted != blockcount) + trace_xfs_refcount_finish_one_leftover(mp, agno, type, + bno, blockcount, *adjusted); + return error; + +out_cur: + xfs_trans_brelse(tp, agbp); + + return error; +} + +/* + * Record a refcount intent for later processing. + */ +static int +__xfs_refcount_add( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_refcount_intent *ri) +{ + struct xfs_refcount_intent *new; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return 0; + + trace_xfs_refcount_defer(mp, XFS_FSB_TO_AGNO(mp, ri->ri_startblock), + ri->ri_type, XFS_FSB_TO_AGBNO(mp, ri->ri_startblock), + ri->ri_blockcount); + + new = kmem_zalloc(sizeof(struct xfs_refcount_intent), + KM_SLEEP | KM_NOFS); + *new = *ri; + + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_REFCOUNT, &new->ri_list); + return 0; +} + +/* + * Increase the reference count of the blocks backing a file's extent. + */ +int +xfs_refcount_increase_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_refcount_intent ri; + + ri.ri_type = XFS_REFCOUNT_INCREASE; + ri.ri_startblock = PREV->br_startblock; + ri.ri_blockcount = PREV->br_blockcount; + + return __xfs_refcount_add(mp, dfops, &ri); +} + +/* + * Decrease the reference count of the blocks backing a file's extent. + */ +int +xfs_refcount_decrease_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_refcount_intent ri; + + ri.ri_type = XFS_REFCOUNT_DECREASE; + ri.ri_startblock = PREV->br_startblock; + ri.ri_blockcount = PREV->br_blockcount; + + return __xfs_refcount_add(mp, dfops, &ri); +} diff --git a/libxfs/xfs_refcount.h b/libxfs/xfs_refcount.h index 0b36c1d..92c05ea 100644 --- a/libxfs/xfs_refcount.h +++ b/libxfs/xfs_refcount.h @@ -41,4 +41,16 @@ struct xfs_refcount_intent { xfs_extlen_t ri_blockcount; }; +extern int xfs_refcount_increase_extent(struct xfs_mount *mp, + struct xfs_defer_ops *dfops, struct xfs_bmbt_irec *irec); +extern int xfs_refcount_decrease_extent(struct xfs_mount *mp, + struct xfs_defer_ops *dfops, struct xfs_bmbt_irec *irec); + +extern void xfs_refcount_finish_one_cleanup(struct xfs_trans *tp, + struct xfs_btree_cur *rcur, int error); +extern int xfs_refcount_finish_one(struct xfs_trans *tp, + struct xfs_defer_ops *dfops, enum xfs_refcount_intent_type type, + xfs_fsblock_t startblock, xfs_extlen_t blockcount, + xfs_extlen_t *adjusted, struct xfs_btree_cur **pcur); + #endif /* __XFS_REFCOUNT_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:39:41 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 241A782BE for ; Thu, 16 Jun 2016 20:39:41 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D62E1304039 for ; Thu, 16 Jun 2016 18:39:40 -0700 (PDT) X-ASG-Debug-ID: 1466127579-04bdf01e1796400001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id ExbVlqj6aAEn2kjz (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:39 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1dZ9Q020326 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:36 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1dYmn010064 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:35 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1dYAp029469; Fri, 17 Jun 2016 01:39:34 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:34 -0700 Subject: [PATCH 083/145] xfs: adjust refcount when unmapping file blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 083/145] xfs: adjust refcount when unmapping file blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:39:32 -0700 Message-ID: <146612757275.16048.3246704899037088428.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127579 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1272 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we're unmapping blocks from a reflinked file, decrease the refcount of the affected blocks and free the extents that are no longer in use. v2: Use deferred ops system to avoid deadlocks and running out of transaction reservation. Signed-off-by: Darrick J. Wong --- libxfs/xfs_bmap.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 50faacd..7ef1d18 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -40,6 +40,7 @@ #include "xfs_quota_defs.h" #include "xfs_rmap_btree.h" #include "xfs_ag_resv.h" +#include "xfs_refcount.h" kmem_zone_t *xfs_bmap_free_item_zone; @@ -5053,9 +5054,16 @@ xfs_bmap_del_extent( /* * If we need to, add to list of extents to delete. */ - if (do_fx) - xfs_bmap_add_free(mp, dfops, del->br_startblock, - del->br_blockcount, NULL); + if (do_fx) { + if (xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) { + error = xfs_refcount_decrease_extent(mp, dfops, del); + if (error) + goto done; + } else + xfs_bmap_add_free(mp, dfops, del->br_startblock, + del->br_blockcount, NULL); + } + /* * Adjust inode # blocks in the file. */ From darrick.wong@oracle.com Thu Jun 16 20:39:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D297982C1 for ; Thu, 16 Jun 2016 20:39:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A4475304048 for ; Thu, 16 Jun 2016 18:39:46 -0700 (PDT) X-ASG-Debug-ID: 1466127584-04cb6c5426581a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id EpqyzuC4g4UhMUCZ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:45 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1deu1020403 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:39:41 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1deM4003472 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:40 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1de7q029515; Fri, 17 Jun 2016 01:39:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:40 -0700 Subject: [PATCH 084/145] xfs: refcount btree requires more reserved space From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 084/145] xfs: refcount btree requires more reserved space To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:39:38 -0700 Message-ID: <146612757884.16048.3175525711587804664.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127585 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2800 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines The reference count btree is allocated from the free space, which means that we have to ensure that an AG can't run out of free space while performing a refcount operation. In the pathological case each AG block has its own refcntbt record, so we have to keep that much space available. v2: Calculate the maximum possible size of the rmap and refcount btrees based on minimally-full btree blocks. This increases the per-AG block reservations to handle the worst case btree size. Signed-off-by: Darrick J. Wong --- libxfs/xfs_alloc.c | 3 +++ libxfs/xfs_refcount_btree.c | 23 +++++++++++++++++++++++ libxfs/xfs_refcount_btree.h | 4 ++++ 3 files changed, 30 insertions(+) diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 6554ce7..ca3e7ce 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -34,6 +34,7 @@ #include "xfs_trace.h" #include "xfs_trans.h" #include "xfs_ag_resv.h" +#include "xfs_refcount_btree.h" struct workqueue_struct *xfs_alloc_wq; @@ -134,6 +135,8 @@ xfs_alloc_ag_max_usable(struct xfs_mount *mp) /* rmap root block + full tree split on full AG */ blocks += 1 + (2 * mp->m_ag_maxlevels) - 1; } + if (xfs_sb_version_hasreflink(&mp->m_sb)) + blocks += xfs_refcountbt_max_size(mp); return mp->m_sb.sb_agblocks - blocks; } diff --git a/libxfs/xfs_refcount_btree.c b/libxfs/xfs_refcount_btree.c index 8c53e71..8c1cba9 100644 --- a/libxfs/xfs_refcount_btree.c +++ b/libxfs/xfs_refcount_btree.c @@ -372,3 +372,26 @@ xfs_refcountbt_compute_maxlevels( mp->m_refc_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_refc_mnr, mp->m_sb.sb_agblocks); } + +/* Calculate the refcount btree size for some records. */ +xfs_extlen_t +xfs_refcountbt_calc_size( + struct xfs_mount *mp, + unsigned long long len) +{ + return xfs_btree_calc_size(mp, mp->m_refc_mnr, len); +} + +/* + * Calculate the maximum refcount btree size. + */ +xfs_extlen_t +xfs_refcountbt_max_size( + struct xfs_mount *mp) +{ + /* Bail out if we're uninitialized, which can happen in mkfs. */ + if (mp->m_refc_mxr[0] == 0) + return 0; + + return xfs_refcountbt_calc_size(mp, mp->m_sb.sb_agblocks); +} diff --git a/libxfs/xfs_refcount_btree.h b/libxfs/xfs_refcount_btree.h index 9e9ad7c..780b02f 100644 --- a/libxfs/xfs_refcount_btree.h +++ b/libxfs/xfs_refcount_btree.h @@ -64,4 +64,8 @@ extern int xfs_refcountbt_maxrecs(struct xfs_mount *mp, int blocklen, bool leaf); extern void xfs_refcountbt_compute_maxlevels(struct xfs_mount *mp); +extern xfs_extlen_t xfs_refcountbt_calc_size(struct xfs_mount *mp, + unsigned long long len); +extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp); + #endif /* __XFS_REFCOUNT_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:39:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id F2AC382D1 for ; Thu, 16 Jun 2016 20:39:51 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C37F4304048 for ; Thu, 16 Jun 2016 18:39:51 -0700 (PDT) X-ASG-Debug-ID: 1466127589-04cb6c5426581b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id CsbY3pEoOVHAZydQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:50 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1dm1c007826 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:39:48 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1dlVf003661 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:47 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1dk9A024279; Fri, 17 Jun 2016 01:39:47 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:46 -0700 Subject: [PATCH 085/145] xfs: introduce reflink utility functions From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 085/145] xfs: introduce reflink utility functions To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com, "Darrick J. Wong" Date: Thu, 16 Jun 2016 18:39:44 -0700 Message-ID: <146612758493.16048.18392330941529369752.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127589 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4927 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines These functions will be used by the other reflink functions to find the maximum length of a range of shared blocks. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 3 + libxfs/xfs_refcount.c | 109 +++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_refcount.h | 4 ++ 3 files changed, 116 insertions(+) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 0b167e9..d3b2486 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -252,6 +252,9 @@ #define trace_xfs_refcount_deferred(...) ((void) 0) #define trace_xfs_refcount_defer(...) ((void) 0) #define trace_xfs_refcount_finish_one_leftover(...) ((void) 0) +#define trace_xfs_refcount_find_shared(...) ((void) 0) +#define trace_xfs_refcount_find_shared_result(...) ((void) 0) +#define trace_xfs_refcount_find_shared_error(...) ((void) 0) /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c index 55859cd..d2b614b 100644 --- a/libxfs/xfs_refcount.c +++ b/libxfs/xfs_refcount.c @@ -1128,3 +1128,112 @@ xfs_refcount_decrease_extent( return __xfs_refcount_add(mp, dfops, &ri); } + +/* + * Given an AG extent, find the lowest-numbered run of shared blocks within + * that range and return the range in fbno/flen. If find_maximal is set, + * return the longest extent of shared blocks; if not, just return the first + * extent we find. If no shared blocks are found, flen will be set to zero. + */ +int +xfs_refcount_find_shared( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + xfs_agblock_t *fbno, + xfs_extlen_t *flen, + bool find_maximal) +{ + struct xfs_btree_cur *cur; + struct xfs_buf *agbp; + struct xfs_refcount_irec tmp; + int error; + int i, have; + int bt_error = XFS_BTREE_ERROR; + + trace_xfs_refcount_find_shared(mp, agno, agbno, aglen); + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + goto out; + cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); + + /* By default, skip the whole range */ + *fbno = agbno + aglen; + *flen = 0; + + /* Try to find a refcount extent that crosses the start */ + error = xfs_refcountbt_lookup_le(cur, agbno, &have); + if (error) + goto out_error; + if (!have) { + /* No left extent, look at the next one */ + error = xfs_btree_increment(cur, 0, &have); + if (error) + goto out_error; + if (!have) + goto done; + } + error = xfs_refcountbt_get_rec(cur, &tmp, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + /* If the extent ends before the start, look at the next one */ + if (tmp.rc_startblock + tmp.rc_blockcount <= agbno) { + error = xfs_btree_increment(cur, 0, &have); + if (error) + goto out_error; + if (!have) + goto done; + error = xfs_refcountbt_get_rec(cur, &tmp, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + } + + /* If the extent ends after the range we want, bail out */ + if (tmp.rc_startblock >= agbno + aglen) + goto done; + + /* We found the start of a shared extent! */ + if (tmp.rc_startblock < agbno) { + tmp.rc_blockcount -= (agbno - tmp.rc_startblock); + tmp.rc_startblock = agbno; + } + + *fbno = tmp.rc_startblock; + *flen = min(tmp.rc_blockcount, agbno + aglen - *fbno); + if (!find_maximal) + goto done; + + /* Otherwise, find the end of this shared extent */ + while (*fbno + *flen < agbno + aglen) { + error = xfs_btree_increment(cur, 0, &have); + if (error) + goto out_error; + if (!have) + break; + error = xfs_refcountbt_get_rec(cur, &tmp, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + if (tmp.rc_startblock >= agbno + aglen || + tmp.rc_startblock != *fbno + *flen) + break; + *flen = min(*flen + tmp.rc_blockcount, agbno + aglen - *fbno); + } + +done: + bt_error = XFS_BTREE_NOERROR; + trace_xfs_refcount_find_shared_result(mp, agno, *fbno, *flen); + +out_error: + xfs_btree_del_cursor(cur, bt_error); + xfs_buf_relse(agbp); +out: + if (error) + trace_xfs_refcount_find_shared_error(mp, agno, error, _RET_IP_); + return error; +} diff --git a/libxfs/xfs_refcount.h b/libxfs/xfs_refcount.h index 92c05ea..b7b83b8 100644 --- a/libxfs/xfs_refcount.h +++ b/libxfs/xfs_refcount.h @@ -53,4 +53,8 @@ extern int xfs_refcount_finish_one(struct xfs_trans *tp, xfs_fsblock_t startblock, xfs_extlen_t blockcount, xfs_extlen_t *adjusted, struct xfs_btree_cur **pcur); +extern int xfs_refcount_find_shared(struct xfs_mount *mp, xfs_agnumber_t agno, + xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno, + xfs_extlen_t *flen, bool find_maximal); + #endif /* __XFS_REFCOUNT_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:40:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EB462829E for ; Thu, 16 Jun 2016 20:40:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 60578AC001 for ; Thu, 16 Jun 2016 18:40:00 -0700 (PDT) X-ASG-Debug-ID: 1466127598-04cbb01fec6a460001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id m6wwHC9ALxdlz9d7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:39:58 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1duXt007896 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:39:57 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1duLY003889 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:39:56 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1drgB012214; Fri, 17 Jun 2016 01:39:54 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:39:53 -0700 Subject: [PATCH 086/145] xfs: create bmbt update intent log items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 086/145] xfs: create bmbt update intent log items To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:39:51 -0700 Message-ID: <146612759115.16048.12033211481399359990.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127598 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3448 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create bmbt update intent/done log items to record redo information in the log. Because we need to roll transactions multiple times for reflink operations, between we also have to track the status of the metadata updates that will be recorded in the post-roll transactions, just in case we crash before committing the final transaction. This mechanism enables log recovery to finish what was already started. Signed-off-by: Darrick J. Wong --- libxfs/xfs_log_format.h | 52 +++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 50 insertions(+), 2 deletions(-) diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h index 923b08f..320a305 100644 --- a/libxfs/xfs_log_format.h +++ b/libxfs/xfs_log_format.h @@ -114,7 +114,9 @@ static inline uint xlog_get_cycle(char *ptr) #define XLOG_REG_TYPE_RUD_FORMAT 22 #define XLOG_REG_TYPE_CUI_FORMAT 23 #define XLOG_REG_TYPE_CUD_FORMAT 24 -#define XLOG_REG_TYPE_MAX 24 +#define XLOG_REG_TYPE_BUI_FORMAT 25 +#define XLOG_REG_TYPE_BUD_FORMAT 26 +#define XLOG_REG_TYPE_MAX 26 /* * Flags to log operation header @@ -235,6 +237,8 @@ typedef struct xfs_trans_header { #define XFS_LI_RUD 0x1241 #define XFS_LI_CUI 0x1242 /* refcount update intent */ #define XFS_LI_CUD 0x1243 +#define XFS_LI_BUI 0x1244 /* bmbt update intent */ +#define XFS_LI_BUD 0x1245 #define XFS_LI_TYPE_DESC \ { XFS_LI_EFI, "XFS_LI_EFI" }, \ @@ -248,7 +252,9 @@ typedef struct xfs_trans_header { { XFS_LI_RUI, "XFS_LI_RUI" }, \ { XFS_LI_RUD, "XFS_LI_RUD" }, \ { XFS_LI_CUI, "XFS_LI_CUI" }, \ - { XFS_LI_CUD, "XFS_LI_CUD" } + { XFS_LI_CUD, "XFS_LI_CUD" }, \ + { XFS_LI_BUI, "XFS_LI_BUI" }, \ + { XFS_LI_BUD, "XFS_LI_BUD" } /* * Inode Log Item Format definitions. @@ -717,6 +723,48 @@ struct xfs_cud_log_format { }; /* + * BUI/BUD (inode block mapping) log format definitions + */ + +/* bmbt me_flags: upper bits are flags, lower byte is type code */ +#define XFS_BMAP_EXTENT_MAP 1 +#define XFS_BMAP_EXTENT_UNMAP 2 +#define XFS_BMAP_EXTENT_TYPE_MASK 0xFF + +#define XFS_BMAP_EXTENT_ATTR_FORK (1U << 31) +#define XFS_BMAP_EXTENT_UNWRITTEN (1U << 30) + +#define XFS_BMAP_EXTENT_FLAGS (XFS_BMAP_EXTENT_TYPE_MASK | \ + XFS_BMAP_EXTENT_ATTR_FORK | \ + XFS_BMAP_EXTENT_UNWRITTEN) + +/* + * This is the structure used to lay out an bui log item in the + * log. The bui_extents field is a variable size array whose + * size is given by bui_nextents. + */ +struct xfs_bui_log_format { + __uint16_t bui_type; /* bui log item type */ + __uint16_t bui_size; /* size of this item */ + __uint32_t bui_nextents; /* # extents to free */ + __uint64_t bui_id; /* bui identifier */ + struct xfs_map_extent bui_extents[1]; /* array of extents to bmap */ +}; + +/* + * This is the structure used to lay out an bud log item in the + * log. The bud_extents array is a variable size array whose + * size is given by bud_nextents; + */ +struct xfs_bud_log_format { + __uint16_t bud_type; /* bud log item type */ + __uint16_t bud_size; /* size of this item */ + __uint32_t bud_nextents; /* # of extents freed */ + __uint64_t bud_bui_id; /* id of corresponding bui */ + struct xfs_map_extent bud_extents[1]; /* array of extents bmapped */ +}; + +/* * Dquot Log format definitions. * * The first two fields must be the type and size fitting into From darrick.wong@oracle.com Thu Jun 16 20:40:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EC0D682E0 for ; Thu, 16 Jun 2016 20:40:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id AA71B8F8050 for ; Thu, 16 Jun 2016 18:40:04 -0700 (PDT) X-ASG-Debug-ID: 1466127602-04bdf01e1596420001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id cdaQMNLYgVQsMGiJ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:02 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1e1gL007945 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:01 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1e1ic030834 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:01 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1e0nK001853; Fri, 17 Jun 2016 01:40:01 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:00 -0700 Subject: [PATCH 087/145] xfs: log bmap intent items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 087/145] xfs: log bmap intent items To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:39:58 -0700 Message-ID: <146612759816.16048.13949394799554585448.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127602 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 909 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Provide a mechanism for higher levels to create BUI/BUD items, submit them to the log, and a stub function to deal with recovered BUI items. These parts will be connected to the rmapbt in a later patch. Signed-off-by: Darrick J. Wong --- libxfs/xfs_bmap.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index 41f7ef2..62a66d0 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -209,5 +209,17 @@ struct xfs_bmbt_rec_host * struct xfs_bmbt_irec *gotp, struct xfs_bmbt_irec *prevp); +enum xfs_bmap_intent_type { + XFS_BMAP_MAP, + XFS_BMAP_UNMAP, +}; + +struct xfs_bmap_intent { + struct list_head bi_list; + enum xfs_bmap_intent_type bi_type; + struct xfs_inode *bi_owner; + int bi_whichfork; + struct xfs_bmbt_irec bi_bmap; +}; #endif /* __XFS_BMAP_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:40:14 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AE9E582AF for ; Thu, 16 Jun 2016 20:40:14 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7E92D304039 for ; Thu, 16 Jun 2016 18:40:14 -0700 (PDT) X-ASG-Debug-ID: 1466127612-04cbb01fee6a490001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id dZpdM5NDGRLeT3iz (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:12 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1e8eo020847 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:08 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1e7Bc031314 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:07 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1e6KF029617; Fri, 17 Jun 2016 01:40:07 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:06 -0700 Subject: [PATCH 088/145] xfs: map an inode's offset to an exact physical block From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 088/145] xfs: map an inode's offset to an exact physical block To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:05 -0700 Message-ID: <146612760515.16048.9407022403121181267.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127612 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5013 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Teach the bmap routine to know how to map a range of file blocks to a specific range of physical blocks, instead of simply allocating fresh blocks. This enables reflink to map a file to blocks that are already in use. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 3 ++ libxfs/xfs_bmap.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_bmap.h | 10 +++++++- 3 files changed, 75 insertions(+), 1 deletion(-) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index d3b2486..6277b53 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -256,6 +256,9 @@ #define trace_xfs_refcount_find_shared_result(...) ((void) 0) #define trace_xfs_refcount_find_shared_error(...) ((void) 0) +#define trace_xfs_bmap_remap_alloc(...) ((void) 0) +#define trace_xfs_bmap_remap_alloc_error(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 7ef1d18..58f730e 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -3864,6 +3864,55 @@ xfs_bmap_btalloc( } /* + * For a remap operation, just "allocate" an extent at the address that the + * caller passed in, and ensure that the AGFL is the right size. The caller + * will then map the "allocated" extent into the file somewhere. + */ +STATIC int +xfs_bmap_remap_alloc( + struct xfs_bmalloca *ap) +{ + struct xfs_trans *tp = ap->tp; + struct xfs_mount *mp = tp->t_mountp; + xfs_agblock_t bno; + struct xfs_alloc_arg args; + int error; + + /* + * validate that the block number is legal - the enables us to detect + * and handle a silent filesystem corruption rather than crashing. + */ + memset(&args, 0, sizeof(struct xfs_alloc_arg)); + args.tp = ap->tp; + args.mp = ap->tp->t_mountp; + bno = *ap->firstblock; + args.agno = XFS_FSB_TO_AGNO(mp, bno); + ASSERT(args.agno < mp->m_sb.sb_agcount); + args.agbno = XFS_FSB_TO_AGBNO(mp, bno); + ASSERT(args.agbno < mp->m_sb.sb_agblocks); + + /* "Allocate" the extent from the range we passed in. */ + trace_xfs_bmap_remap_alloc(ap->ip, *ap->firstblock, ap->length); + ap->blkno = bno; + ap->ip->i_d.di_nblocks += ap->length; + xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); + + /* Fix the freelist, like a real allocator does. */ + args.userdata = 1; + args.pag = xfs_perag_get(args.mp, args.agno); + ASSERT(args.pag); + + error = xfs_alloc_fix_freelist(&args, XFS_ALLOC_FLAG_FREEING); + if (error) + goto error0; +error0: + xfs_perag_put(args.pag); + if (error) + trace_xfs_bmap_remap_alloc_error(ap->ip, error, _RET_IP_); + return error; +} + +/* * xfs_bmap_alloc is called by xfs_bmapi to allocate an extent for a file. * It figures out where to ask the underlying allocator to put the new extent. */ @@ -3871,6 +3920,8 @@ STATIC int xfs_bmap_alloc( struct xfs_bmalloca *ap) /* bmap alloc argument struct */ { + if (ap->flags & XFS_BMAPI_REMAP) + return xfs_bmap_remap_alloc(ap); if (XFS_IS_REALTIME_INODE(ap->ip) && ap->userdata) return xfs_bmap_rtalloc(ap); return xfs_bmap_btalloc(ap); @@ -4507,6 +4558,12 @@ xfs_bmapi_write( ASSERT(len > 0); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); + if (whichfork == XFS_ATTR_FORK) + ASSERT(!(flags & XFS_BMAPI_REMAP)); + if (flags & XFS_BMAPI_REMAP) { + ASSERT(!(flags & XFS_BMAPI_PREALLOC)); + ASSERT(!(flags & XFS_BMAPI_CONVERT)); + } /* zeroing is for currently only for data extents, not metadata */ ASSERT((flags & (XFS_BMAPI_METADATA | XFS_BMAPI_ZERO)) != @@ -4568,6 +4625,12 @@ xfs_bmapi_write( wasdelay = !inhole && isnullstartblock(bma.got.br_startblock); /* + * Make sure we only reflink into a hole. + */ + if (flags & XFS_BMAPI_REMAP) + ASSERT(inhole); + + /* * First, deal with the hole before the allocated space * that we found, if any. */ diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index 62a66d0..fb2fd4c 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -97,6 +97,13 @@ struct xfs_bmap_free_item */ #define XFS_BMAPI_ZERO 0x080 +/* + * Map the inode offset to the block given in ap->firstblock. Primarily + * used for reflink. The range must be in a hole, and this flag cannot be + * turned on with PREALLOC or CONVERT, and cannot be used on the attr fork. + */ +#define XFS_BMAPI_REMAP 0x100 + #define XFS_BMAPI_FLAGS \ { XFS_BMAPI_ENTIRE, "ENTIRE" }, \ { XFS_BMAPI_METADATA, "METADATA" }, \ @@ -105,7 +112,8 @@ struct xfs_bmap_free_item { XFS_BMAPI_IGSTATE, "IGSTATE" }, \ { XFS_BMAPI_CONTIG, "CONTIG" }, \ { XFS_BMAPI_CONVERT, "CONVERT" }, \ - { XFS_BMAPI_ZERO, "ZERO" } + { XFS_BMAPI_ZERO, "ZERO" }, \ + { XFS_BMAPI_REMAP, "REMAP" } static inline int xfs_bmapi_aflag(int w) From darrick.wong@oracle.com Thu Jun 16 20:40:17 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D185382EC for ; Thu, 16 Jun 2016 20:40:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 91080304039 for ; Thu, 16 Jun 2016 18:40:17 -0700 (PDT) X-ASG-Debug-ID: 1466127615-04cb6c5427581f0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id TLLwJUmDnk9l35Mh (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:15 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1eDnG008262 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:40:14 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1eDUq004658 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:13 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1eDLH029735; Fri, 17 Jun 2016 01:40:13 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:12 -0700 Subject: [PATCH 089/145] xfs: implement deferred bmbt map/unmap operations From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 089/145] xfs: implement deferred bmbt map/unmap operations To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:11 -0700 Message-ID: <146612761130.16048.14802509002983794111.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127615 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8558 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Implement deferred versions of the inode block map/unmap functions. These will be used in subsequent patches to make reflink operations atomic. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 2 + libxfs/defer_item.c | 101 ++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_bmap.c | 124 +++++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_bmap.h | 11 +++++ libxfs/xfs_defer.h | 1 5 files changed, 239 insertions(+) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 6277b53..dfc92a6 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -258,6 +258,8 @@ #define trace_xfs_bmap_remap_alloc(...) ((void) 0) #define trace_xfs_bmap_remap_alloc_error(...) ((void) 0) +#define trace_xfs_bmap_deferred(...) ((void) 0) +#define trace_xfs_bmap_defer(...) ((void) 0) /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c index a383813..bd41808 100644 --- a/libxfs/defer_item.c +++ b/libxfs/defer_item.c @@ -32,6 +32,8 @@ #include "xfs_alloc.h" #include "xfs_rmap_btree.h" #include "xfs_refcount.h" +#include "xfs_bmap.h" +#include "xfs_inode.h" /* Extent Freeing */ @@ -364,12 +366,111 @@ const struct xfs_defer_op_type xfs_refcount_update_defer_type = { .cancel_item = xfs_refcount_update_cancel_item, }; +/* Inode Block Mapping */ + +/* Sort bmap intents by inode. */ +static int +xfs_bmap_update_diff_items( + void *priv, + struct list_head *a, + struct list_head *b) +{ + struct xfs_bmap_intent *ba; + struct xfs_bmap_intent *bb; + + ba = container_of(a, struct xfs_bmap_intent, bi_list); + bb = container_of(b, struct xfs_bmap_intent, bi_list); + return ba->bi_owner->i_ino - bb->bi_owner->i_ino; +} + +/* Get an BUI. */ +STATIC void * +xfs_bmap_update_create_intent( + struct xfs_trans *tp, + unsigned int count) +{ + return NULL; +} + +/* Log bmap updates in the intent item. */ +STATIC void +xfs_bmap_update_log_item( + struct xfs_trans *tp, + void *intent, + struct list_head *item) +{ +} + +/* Get an BUD so we can process all the deferred rmap updates. */ +STATIC void * +xfs_bmap_update_create_done( + struct xfs_trans *tp, + void *intent, + unsigned int count) +{ + return NULL; +} + +/* Process a deferred rmap update. */ +STATIC int +xfs_bmap_update_finish_item( + struct xfs_trans *tp, + struct xfs_defer_ops *dop, + struct list_head *item, + void *done_item, + void **state) +{ + struct xfs_bmap_intent *bmap; + int error; + + bmap = container_of(item, struct xfs_bmap_intent, bi_list); + error = xfs_bmap_finish_one(tp, dop, + bmap->bi_owner, + bmap->bi_type, bmap->bi_whichfork, + bmap->bi_bmap.br_startoff, + bmap->bi_bmap.br_startblock, + bmap->bi_bmap.br_blockcount, + bmap->bi_bmap.br_state); + kmem_free(bmap); + return error; +} + +/* Abort all pending BUIs. */ +STATIC void +xfs_bmap_update_abort_intent( + void *intent) +{ +} + +/* Cancel a deferred rmap update. */ +STATIC void +xfs_bmap_update_cancel_item( + struct list_head *item) +{ + struct xfs_bmap_intent *bmap; + + bmap = container_of(item, struct xfs_bmap_intent, bi_list); + kmem_free(bmap); +} + +const struct xfs_defer_op_type xfs_bmap_update_defer_type = { + .type = XFS_DEFER_OPS_TYPE_BMAP, + .diff_items = xfs_bmap_update_diff_items, + .create_intent = xfs_bmap_update_create_intent, + .abort_intent = xfs_bmap_update_abort_intent, + .log_item = xfs_bmap_update_log_item, + .create_done = xfs_bmap_update_create_done, + .finish_item = xfs_bmap_update_finish_item, + .cancel_item = xfs_bmap_update_cancel_item, +}; + /* Deferred Item Initialization */ /* Initialize the deferred operation types. */ void xfs_defer_init_types(void) { + xfs_defer_init_op_type(&xfs_bmap_update_defer_type); xfs_defer_init_op_type(&xfs_refcount_update_defer_type); xfs_defer_init_op_type(&xfs_rmap_update_defer_type); xfs_defer_init_op_type(&xfs_extent_free_defer_type); diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 58f730e..dff4b7b 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -6119,3 +6119,127 @@ out: xfs_trans_cancel(tp); return error; } + +/* Record a bmap intent. */ +static int +__xfs_bmap_add( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_bmap_intent *bi) +{ + int error; + struct xfs_bmap_intent *new; + + ASSERT(bi->bi_whichfork == XFS_DATA_FORK); + + trace_xfs_bmap_defer(mp, XFS_FSB_TO_AGNO(mp, bi->bi_bmap.br_startblock), + bi->bi_type, + XFS_FSB_TO_AGBNO(mp, bi->bi_bmap.br_startblock), + bi->bi_owner->i_ino, bi->bi_whichfork, + bi->bi_bmap.br_startoff, + bi->bi_bmap.br_blockcount, + bi->bi_bmap.br_state); + + new = kmem_zalloc(sizeof(struct xfs_bmap_intent), KM_SLEEP | KM_NOFS); + *new = *bi; + + error = xfs_defer_join(dfops, bi->bi_owner); + if (error) + return error; + + xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_BMAP, &new->bi_list); + return 0; +} + +/* Map an extent into a file. */ +int +xfs_bmap_map_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_bmap_intent bi; + + bi.bi_type = XFS_BMAP_MAP; + bi.bi_owner = ip; + bi.bi_whichfork = whichfork; + bi.bi_bmap = *PREV; + + return __xfs_bmap_add(mp, dfops, &bi); +} + +/* Unmap an extent out of a file. */ +int +xfs_bmap_unmap_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + int whichfork, + struct xfs_bmbt_irec *PREV) +{ + struct xfs_bmap_intent bi; + + bi.bi_type = XFS_BMAP_UNMAP; + bi.bi_owner = ip; + bi.bi_whichfork = whichfork; + bi.bi_bmap = *PREV; + + return __xfs_bmap_add(mp, dfops, &bi); +} + +/* + * Process one of the deferred bmap operations. We pass back the + * btree cursor to maintain our lock on the bmapbt between calls. + */ +int +xfs_bmap_finish_one( + struct xfs_trans *tp, + struct xfs_defer_ops *dfops, + struct xfs_inode *ip, + enum xfs_bmap_intent_type type, + int whichfork, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state) +{ + struct xfs_bmbt_irec bmap; + int nimaps = 1; + xfs_fsblock_t firstfsb; + int error = 0; + + bmap.br_startblock = startblock; + bmap.br_startoff = startoff; + bmap.br_blockcount = blockcount; + bmap.br_state = state; + + trace_xfs_bmap_deferred(tp->t_mountp, + XFS_FSB_TO_AGNO(tp->t_mountp, startblock), type, + XFS_FSB_TO_AGBNO(tp->t_mountp, startblock), + ip->i_ino, whichfork, startoff, blockcount, state); + + if (XFS_TEST_ERROR(false, tp->t_mountp, + XFS_ERRTAG_BMAP_FINISH_ONE, + XFS_RANDOM_BMAP_FINISH_ONE)) + return -EIO; + + switch (type) { + case XFS_BMAP_MAP: + firstfsb = bmap.br_startblock; + error = xfs_bmapi_write(tp, ip, bmap.br_startoff, + bmap.br_blockcount, + XFS_BMAPI_REMAP, &firstfsb, + bmap.br_blockcount, &bmap, &nimaps, + dfops); + break; + case XFS_BMAP_UNMAP: + /* not implemented for now */ + default: + ASSERT(0); + error = -EFSCORRUPTED; + } + + return error; +} diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index fb2fd4c..394a22c 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -230,4 +230,15 @@ struct xfs_bmap_intent { struct xfs_bmbt_irec bi_bmap; }; +int xfs_bmap_finish_one(struct xfs_trans *tp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, enum xfs_bmap_intent_type type, + int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock, + xfs_filblks_t blockcount, xfs_exntst_t state); +int xfs_bmap_map_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); +int xfs_bmap_unmap_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, + struct xfs_inode *ip, int whichfork, + struct xfs_bmbt_irec *imap); + #endif /* __XFS_BMAP_H__ */ diff --git a/libxfs/xfs_defer.h b/libxfs/xfs_defer.h index 4081b00..47aa048 100644 --- a/libxfs/xfs_defer.h +++ b/libxfs/xfs_defer.h @@ -51,6 +51,7 @@ struct xfs_defer_pending { * find all the space it needs. */ enum xfs_defer_ops_type { + XFS_DEFER_OPS_TYPE_BMAP, XFS_DEFER_OPS_TYPE_REFCOUNT, XFS_DEFER_OPS_TYPE_RMAP, XFS_DEFER_OPS_TYPE_FREE, From darrick.wong@oracle.com Thu Jun 16 20:40:23 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 69CF682F2 for ; Thu, 16 Jun 2016 20:40:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id E1DF1AC001 for ; Thu, 16 Jun 2016 18:40:22 -0700 (PDT) X-ASG-Debug-ID: 1466127620-04cbb01fed6a4b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 0AJk6vZEUu7LnhIQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:21 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1eKik008303 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:20 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1eJtY031552 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:19 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1eJtI029754; Fri, 17 Jun 2016 01:40:19 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:18 -0700 Subject: [PATCH 090/145] xfs: return work remaining at the end of a bunmapi operation From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 090/145] xfs: return work remaining at the end of a bunmapi operation To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:17 -0700 Message-ID: <146612761750.16048.7128549085400683099.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127621 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3531 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Return the range of file blocks that bunmapi didn't free. This hint is used by CoW and reflink to figure out what part of an extent actually got freed so that it can set up the appropriate atomic remapping of just the freed range. Signed-off-by: Darrick J. Wong --- libxfs/xfs_bmap.c | 36 ++++++++++++++++++++++++++++++------ libxfs/xfs_bmap.h | 4 ++++ 2 files changed, 34 insertions(+), 6 deletions(-) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index dff4b7b..f0c0871 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -5157,17 +5157,16 @@ done: * *done is set. */ int /* error */ -xfs_bunmapi( +__xfs_bunmapi( xfs_trans_t *tp, /* transaction pointer */ struct xfs_inode *ip, /* incore inode */ xfs_fileoff_t bno, /* starting offset to unmap */ - xfs_filblks_t len, /* length to unmap in file */ + xfs_filblks_t *rlen, /* i/o: amount remaining */ int flags, /* misc flags */ xfs_extnum_t nexts, /* number of extents max */ xfs_fsblock_t *firstblock, /* first allocated block controls a.g. for allocs */ - struct xfs_defer_ops *dfops, /* i/o: list extents to free */ - int *done) /* set if not done yet */ + struct xfs_defer_ops *dfops) /* i/o: deferred updates */ { xfs_btree_cur_t *cur; /* bmap btree cursor */ xfs_bmbt_irec_t del; /* extent being deleted */ @@ -5189,6 +5188,7 @@ xfs_bunmapi( int wasdel; /* was a delayed alloc extent */ int whichfork; /* data or attribute fork */ xfs_fsblock_t sum; + xfs_filblks_t len = *rlen; /* length to unmap in file */ trace_xfs_bunmap(ip, bno, len, flags, _RET_IP_); @@ -5215,7 +5215,7 @@ xfs_bunmapi( return error; nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); if (nextents == 0) { - *done = 1; + *rlen = 0; return 0; } XFS_STATS_INC(mp, xs_blk_unmap); @@ -5484,7 +5484,10 @@ nodelete: extno++; } } - *done = bno == (xfs_fileoff_t)-1 || bno < start || lastx < 0; + if (bno == (xfs_fileoff_t)-1 || bno < start || lastx < 0) + *rlen = 0; + else + *rlen = bno - start + 1; /* * Convert to a btree if necessary. @@ -5540,6 +5543,27 @@ error0: return error; } +/* Unmap a range of a file. */ +int +xfs_bunmapi( + xfs_trans_t *tp, + struct xfs_inode *ip, + xfs_fileoff_t bno, + xfs_filblks_t len, + int flags, + xfs_extnum_t nexts, + xfs_fsblock_t *firstblock, + struct xfs_defer_ops *dfops, + int *done) +{ + int error; + + error = __xfs_bunmapi(tp, ip, bno, &len, flags, nexts, firstblock, + dfops); + *done = (len == 0); + return error; +} + /* * Determine whether an extent shift can be accomplished by a merge with the * extent that precedes the target hole of the shift. diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index 394a22c..97828c5 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -197,6 +197,10 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fsblock_t *firstblock, xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap, struct xfs_defer_ops *dfops); +int __xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, + xfs_fileoff_t bno, xfs_filblks_t *rlen, int flags, + xfs_extnum_t nexts, xfs_fsblock_t *firstblock, + struct xfs_defer_ops *dfops); int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, From darrick.wong@oracle.com Thu Jun 16 20:40:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AC78982F3 for ; Thu, 16 Jun 2016 20:40:31 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5EE938F804B for ; Thu, 16 Jun 2016 18:40:31 -0700 (PDT) X-ASG-Debug-ID: 1466127629-04bdf01e1396460001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id l5GcDwy3BCseBgDg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ePcf020991 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:40:26 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1ePC3004844 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:40:25 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1ePq4002055; Fri, 17 Jun 2016 01:40:25 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:24 -0700 Subject: [PATCH 091/145] xfs: add reflink feature flag to geometry From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 091/145] xfs: add reflink feature flag to geometry To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:23 -0700 Message-ID: <146612762359.16048.13694232631293022681.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127630 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 943 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Report the reflink feature in the XFS geometry so that xfs_info and friends know the filesystem has this feature. Signed-off-by: Darrick J. Wong --- libxfs/xfs_fs.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index 085ea6f..f291a53 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -230,7 +230,8 @@ typedef struct xfs_fsop_resblks { #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ -#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* Reverse mapping btree */ +#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */ +#define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */ /* * Minimum and maximum sizes need for growth checks. From darrick.wong@oracle.com Thu Jun 16 20:40:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EFC898300 for ; Thu, 16 Jun 2016 20:40:37 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id B04DC8F804B for ; Thu, 16 Jun 2016 18:40:37 -0700 (PDT) X-ASG-Debug-ID: 1466127635-04cb6c542658230001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id WAMMHDhv9K9ALPei (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:36 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1eVpd021020 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:31 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1eVgH007426 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:31 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1eVNl002067; Fri, 17 Jun 2016 01:40:31 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:31 -0700 Subject: [PATCH 092/145] xfs: don't allow reflinked dir/dev/fifo/socket/pipe files From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 092/145] xfs: don't allow reflinked dir/dev/fifo/socket/pipe files To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:29 -0700 Message-ID: <146612762967.16048.12520252071197307755.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127636 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1551 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Only non-rt files can be reflinked, so check that when we load an inode. Also, don't leak the attr fork if there's a failure. Signed-off-by: Darrick J. Wong --- libxfs/xfs_inode_fork.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_inode_fork.c b/libxfs/xfs_inode_fork.c index 799873a..83fd4f3 100644 --- a/libxfs/xfs_inode_fork.c +++ b/libxfs/xfs_inode_fork.c @@ -117,6 +117,26 @@ xfs_iformat_fork( return -EFSCORRUPTED; } + if (unlikely(xfs_is_reflink_inode(ip) && + (VFS_I(ip)->i_mode & S_IFMT) != S_IFREG)) { + xfs_warn(ip->i_mount, + "corrupt dinode %llu, wrong file type for reflink.", + ip->i_ino); + XFS_CORRUPTION_ERROR("xfs_iformat(reflink)", + XFS_ERRLEVEL_LOW, ip->i_mount, dip); + return -EFSCORRUPTED; + } + + if (unlikely(xfs_is_reflink_inode(ip) && + (ip->i_d.di_flags & XFS_DIFLAG_REALTIME))) { + xfs_warn(ip->i_mount, + "corrupt dinode %llu, has reflink+realtime flag set.", + ip->i_ino); + XFS_CORRUPTION_ERROR("xfs_iformat(reflink)", + XFS_ERRLEVEL_LOW, ip->i_mount, dip); + return -EFSCORRUPTED; + } + switch (VFS_I(ip)->i_mode & S_IFMT) { case S_IFIFO: case S_IFCHR: @@ -204,7 +224,8 @@ xfs_iformat_fork( XFS_CORRUPTION_ERROR("xfs_iformat(8)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); - return -EFSCORRUPTED; + error = -EFSCORRUPTED; + break; } error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK, size); From darrick.wong@oracle.com Thu Jun 16 20:40:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 14C248306 for ; Thu, 16 Jun 2016 20:40:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id C81D6304039 for ; Thu, 16 Jun 2016 18:40:45 -0700 (PDT) X-ASG-Debug-ID: 1466127642-04bdf01e1796490001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id xMvYuUU6jEnYap3X (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:42 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1efgU008481 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:41 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ef2g011993 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:41 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ebn4012393; Fri, 17 Jun 2016 01:40:39 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:37 -0700 Subject: [PATCH 093/145] xfs: introduce the CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 093/145] xfs: introduce the CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:35 -0700 Message-ID: <146612763578.16048.16178899612338631224.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127642 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12341 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Introduce a new in-core fork for storing copy-on-write delalloc reservations and allocated extents that are in the process of being written out. v2: fix up bmapi_read so that we can query the CoW fork, and have it return a "hole" extent if there's no CoW fork. Signed-off-by: Darrick J. Wong --- include/xfs_inode.h | 3 +++ libxfs/rdwr.c | 2 ++ libxfs/xfs_bmap.c | 27 ++++++++++++++++++++------- libxfs/xfs_bmap.h | 22 +++++++++++++++++++--- libxfs/xfs_bmap_btree.c | 1 + libxfs/xfs_inode_fork.c | 47 ++++++++++++++++++++++++++++++++++++++++++++--- libxfs/xfs_inode_fork.h | 28 ++++++++++++++++++++++------ libxfs/xfs_rmap.c | 2 ++ libxfs/xfs_types.h | 1 + 9 files changed, 114 insertions(+), 19 deletions(-) diff --git a/include/xfs_inode.h b/include/xfs_inode.h index 3876fa6..b7623c0 100644 --- a/include/xfs_inode.h +++ b/include/xfs_inode.h @@ -50,6 +50,7 @@ typedef struct xfs_inode { struct xfs_imap i_imap; /* location for xfs_imap() */ struct xfs_buftarg i_dev; /* dev for this inode */ struct xfs_ifork *i_afp; /* attribute fork pointer */ + struct xfs_ifork *i_cowfp; /* copy on write extents */ struct xfs_ifork i_df; /* data fork */ struct xfs_trans *i_transp; /* ptr to owning transaction */ struct xfs_inode_log_item *i_itemp; /* logging information */ @@ -58,6 +59,8 @@ typedef struct xfs_inode { xfs_fsize_t i_size; /* in-memory size */ const struct xfs_dir_ops *d_ops; /* directory ops vector */ struct inode i_vnode; + xfs_extnum_t i_cnextents; /* # of extents in cow fork */ + unsigned int i_cformat; /* format of cow fork */ } xfs_inode_t; static inline struct inode *VFS_I(struct xfs_inode *ip) diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c index aa30522..533a064 100644 --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -1372,6 +1372,8 @@ libxfs_idestroy(xfs_inode_t *ip) } if (ip->i_afp) libxfs_idestroy_fork(ip, XFS_ATTR_FORK); + if (ip->i_cowfp) + xfs_idestroy_fork(ip, XFS_COW_FORK); } void diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index f0c0871..2ec3385 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -2916,6 +2916,7 @@ xfs_bmap_add_extent_hole_real( ASSERT(!isnullstartblock(new->br_startblock)); ASSERT(!bma->cur || !(bma->cur->bc_private.b.flags & XFS_BTCUR_BPRV_WASDEL)); + ASSERT(whichfork != XFS_COW_FORK); XFS_STATS_INC(mp, xs_add_exlist); @@ -4050,12 +4051,11 @@ xfs_bmapi_read( int error; int eof; int n = 0; - int whichfork = (flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + int whichfork = xfs_bmapi_whichfork(flags); ASSERT(*nmap >= 1); ASSERT(!(flags & ~(XFS_BMAPI_ATTRFORK|XFS_BMAPI_ENTIRE| - XFS_BMAPI_IGSTATE))); + XFS_BMAPI_IGSTATE|XFS_BMAPI_COWFORK))); ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED|XFS_ILOCK_EXCL)); if (unlikely(XFS_TEST_ERROR( @@ -4073,6 +4073,16 @@ xfs_bmapi_read( ifp = XFS_IFORK_PTR(ip, whichfork); + /* No CoW fork? Return a hole. */ + if (whichfork == XFS_COW_FORK && !ifp) { + mval->br_startoff = bno; + mval->br_startblock = HOLESTARTBLOCK; + mval->br_blockcount = len; + mval->br_state = XFS_EXT_NORM; + *nmap = 1; + return 0; + } + if (!(ifp->if_flags & XFS_IFEXTENTS)) { error = xfs_iread_extents(NULL, ip, whichfork); if (error) @@ -4425,8 +4435,7 @@ xfs_bmapi_convert_unwritten( xfs_filblks_t len, int flags) { - int whichfork = (flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + int whichfork = xfs_bmapi_whichfork(flags); struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork); int tmp_logflags = 0; int error; @@ -4442,6 +4451,8 @@ xfs_bmapi_convert_unwritten( (XFS_BMAPI_PREALLOC | XFS_BMAPI_CONVERT)) return 0; + ASSERT(whichfork != XFS_COW_FORK); + /* * Modify (by adding) the state flag, if writing. */ @@ -4854,6 +4865,8 @@ xfs_bmap_del_extent( if (whichfork == XFS_ATTR_FORK) state |= BMAP_ATTRFORK; + else if (whichfork == XFS_COW_FORK) + state |= BMAP_COWFORK; ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT((*idx >= 0) && (*idx < ifp->if_bytes / @@ -5192,8 +5205,8 @@ __xfs_bunmapi( trace_xfs_bunmap(ip, bno, len, flags, _RET_IP_); - whichfork = (flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + whichfork = xfs_bmapi_whichfork(flags); + ASSERT(whichfork != XFS_COW_FORK); ifp = XFS_IFORK_PTR(ip, whichfork); if (unlikely( XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index 97828c5..a8ef1c6 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -104,6 +104,9 @@ struct xfs_bmap_free_item */ #define XFS_BMAPI_REMAP 0x100 +/* Map something in the CoW fork. */ +#define XFS_BMAPI_COWFORK 0x200 + #define XFS_BMAPI_FLAGS \ { XFS_BMAPI_ENTIRE, "ENTIRE" }, \ { XFS_BMAPI_METADATA, "METADATA" }, \ @@ -113,12 +116,23 @@ struct xfs_bmap_free_item { XFS_BMAPI_CONTIG, "CONTIG" }, \ { XFS_BMAPI_CONVERT, "CONVERT" }, \ { XFS_BMAPI_ZERO, "ZERO" }, \ - { XFS_BMAPI_REMAP, "REMAP" } + { XFS_BMAPI_REMAP, "REMAP" }, \ + { XFS_BMAPI_COWFORK, "COWFORK" } static inline int xfs_bmapi_aflag(int w) { - return (w == XFS_ATTR_FORK ? XFS_BMAPI_ATTRFORK : 0); + return (w == XFS_ATTR_FORK ? XFS_BMAPI_ATTRFORK : + (w == XFS_COW_FORK ? XFS_BMAPI_COWFORK : 0)); +} + +static inline int xfs_bmapi_whichfork(int bmapi_flags) +{ + if (bmapi_flags & XFS_BMAPI_COWFORK) + return XFS_COW_FORK; + else if (bmapi_flags & XFS_BMAPI_ATTRFORK) + return XFS_ATTR_FORK; + return XFS_DATA_FORK; } /* @@ -139,13 +153,15 @@ static inline int xfs_bmapi_aflag(int w) #define BMAP_LEFT_VALID (1 << 6) #define BMAP_RIGHT_VALID (1 << 7) #define BMAP_ATTRFORK (1 << 8) +#define BMAP_COWFORK (1 << 9) #define XFS_BMAP_EXT_FLAGS \ { BMAP_LEFT_CONTIG, "LC" }, \ { BMAP_RIGHT_CONTIG, "RC" }, \ { BMAP_LEFT_FILLING, "LF" }, \ { BMAP_RIGHT_FILLING, "RF" }, \ - { BMAP_ATTRFORK, "ATTR" } + { BMAP_ATTRFORK, "ATTR" }, \ + { BMAP_COWFORK, "COW" } /* diff --git a/libxfs/xfs_bmap_btree.c b/libxfs/xfs_bmap_btree.c index 404e321..2145ac0 100644 --- a/libxfs/xfs_bmap_btree.c +++ b/libxfs/xfs_bmap_btree.c @@ -773,6 +773,7 @@ xfs_bmbt_init_cursor( { struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); struct xfs_btree_cur *cur; + ASSERT(whichfork != XFS_COW_FORK); cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_SLEEP); diff --git a/libxfs/xfs_inode_fork.c b/libxfs/xfs_inode_fork.c index 83fd4f3..ab708dc 100644 --- a/libxfs/xfs_inode_fork.c +++ b/libxfs/xfs_inode_fork.c @@ -202,9 +202,14 @@ xfs_iformat_fork( XFS_ERROR_REPORT("xfs_iformat(7)", XFS_ERRLEVEL_LOW, ip->i_mount); return -EFSCORRUPTED; } - if (error) { + if (error) return error; + + if (xfs_is_reflink_inode(ip)) { + ASSERT(ip->i_cowfp == NULL); + xfs_ifork_init_cow(ip); } + if (!XFS_DFORK_Q(dip)) return 0; @@ -243,6 +248,9 @@ xfs_iformat_fork( if (error) { kmem_zone_free(xfs_ifork_zone, ip->i_afp); ip->i_afp = NULL; + if (ip->i_cowfp) + kmem_zone_free(xfs_ifork_zone, ip->i_cowfp); + ip->i_cowfp = NULL; xfs_idestroy_fork(ip, XFS_DATA_FORK); } return error; @@ -757,6 +765,9 @@ xfs_idestroy_fork( if (whichfork == XFS_ATTR_FORK) { kmem_zone_free(xfs_ifork_zone, ip->i_afp); ip->i_afp = NULL; + } else if (whichfork == XFS_COW_FORK) { + kmem_zone_free(xfs_ifork_zone, ip->i_cowfp); + ip->i_cowfp = NULL; } } @@ -944,6 +955,19 @@ xfs_iext_get_ext( } } +/* XFS_IEXT_STATE_TO_FORK() -- Convert BMAP state flags to an inode fork. */ +xfs_ifork_t * +XFS_IEXT_STATE_TO_FORK( + struct xfs_inode *ip, + int state) +{ + if (state & BMAP_COWFORK) + return ip->i_cowfp; + else if (state & BMAP_ATTRFORK) + return ip->i_afp; + return &ip->i_df; +} + /* * Insert new item(s) into the extent records for incore inode * fork 'ifp'. 'count' new items are inserted at index 'idx'. @@ -956,7 +980,7 @@ xfs_iext_insert( xfs_bmbt_irec_t *new, /* items to insert */ int state) /* type of extent conversion */ { - xfs_ifork_t *ifp = (state & BMAP_ATTRFORK) ? ip->i_afp : &ip->i_df; + xfs_ifork_t *ifp = XFS_IEXT_STATE_TO_FORK(ip, state); xfs_extnum_t i; /* extent record index */ trace_xfs_iext_insert(ip, idx, new, state, _RET_IP_); @@ -1206,7 +1230,7 @@ xfs_iext_remove( int ext_diff, /* number of extents to remove */ int state) /* type of extent conversion */ { - xfs_ifork_t *ifp = (state & BMAP_ATTRFORK) ? ip->i_afp : &ip->i_df; + xfs_ifork_t *ifp = XFS_IEXT_STATE_TO_FORK(ip, state); xfs_extnum_t nextents; /* number of extents in file */ int new_size; /* size of extents after removal */ @@ -1951,3 +1975,20 @@ xfs_iext_irec_update_extoffs( ifp->if_u1.if_ext_irec[i].er_extoff += ext_diff; } } + +/* + * Initialize an inode's copy-on-write fork. + */ +void +xfs_ifork_init_cow( + struct xfs_inode *ip) +{ + if (ip->i_cowfp) + return; + + ip->i_cowfp = kmem_zone_zalloc(xfs_ifork_zone, + KM_SLEEP | KM_NOFS); + ip->i_cowfp->if_flags = XFS_IFEXTENTS; + ip->i_cformat = XFS_DINODE_FMT_EXTENTS; + ip->i_cnextents = 0; +} diff --git a/libxfs/xfs_inode_fork.h b/libxfs/xfs_inode_fork.h index f95e072..44d38eb 100644 --- a/libxfs/xfs_inode_fork.h +++ b/libxfs/xfs_inode_fork.h @@ -92,7 +92,9 @@ typedef struct xfs_ifork { #define XFS_IFORK_PTR(ip,w) \ ((w) == XFS_DATA_FORK ? \ &(ip)->i_df : \ - (ip)->i_afp) + ((w) == XFS_ATTR_FORK ? \ + (ip)->i_afp : \ + (ip)->i_cowfp)) #define XFS_IFORK_DSIZE(ip) \ (XFS_IFORK_Q(ip) ? \ XFS_IFORK_BOFF(ip) : \ @@ -105,26 +107,38 @@ typedef struct xfs_ifork { #define XFS_IFORK_SIZE(ip,w) \ ((w) == XFS_DATA_FORK ? \ XFS_IFORK_DSIZE(ip) : \ - XFS_IFORK_ASIZE(ip)) + ((w) == XFS_ATTR_FORK ? \ + XFS_IFORK_ASIZE(ip) : \ + 0)) #define XFS_IFORK_FORMAT(ip,w) \ ((w) == XFS_DATA_FORK ? \ (ip)->i_d.di_format : \ - (ip)->i_d.di_aformat) + ((w) == XFS_ATTR_FORK ? \ + (ip)->i_d.di_aformat : \ + (ip)->i_cformat)) #define XFS_IFORK_FMT_SET(ip,w,n) \ ((w) == XFS_DATA_FORK ? \ ((ip)->i_d.di_format = (n)) : \ - ((ip)->i_d.di_aformat = (n))) + ((w) == XFS_ATTR_FORK ? \ + ((ip)->i_d.di_aformat = (n)) : \ + ((ip)->i_cformat = (n)))) #define XFS_IFORK_NEXTENTS(ip,w) \ ((w) == XFS_DATA_FORK ? \ (ip)->i_d.di_nextents : \ - (ip)->i_d.di_anextents) + ((w) == XFS_ATTR_FORK ? \ + (ip)->i_d.di_anextents : \ + (ip)->i_cnextents)) #define XFS_IFORK_NEXT_SET(ip,w,n) \ ((w) == XFS_DATA_FORK ? \ ((ip)->i_d.di_nextents = (n)) : \ - ((ip)->i_d.di_anextents = (n))) + ((w) == XFS_ATTR_FORK ? \ + ((ip)->i_d.di_anextents = (n)) : \ + ((ip)->i_cnextents = (n)))) #define XFS_IFORK_MAXEXT(ip, w) \ (XFS_IFORK_SIZE(ip, w) / sizeof(xfs_bmbt_rec_t)) +xfs_ifork_t *XFS_IEXT_STATE_TO_FORK(struct xfs_inode *ip, int state); + int xfs_iformat_fork(struct xfs_inode *, struct xfs_dinode *); void xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *, struct xfs_inode_log_item *, int); @@ -169,4 +183,6 @@ void xfs_iext_irec_update_extoffs(struct xfs_ifork *, int, int); extern struct kmem_zone *xfs_ifork_zone; +extern void xfs_ifork_init_cow(struct xfs_inode *ip); + #endif /* __XFS_INODE_FORK_H__ */ diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 7637903..6e69208 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -1344,6 +1344,8 @@ __xfs_rmap_add( if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) return 0; + if (ri->ri_whichfork == XFS_COW_FORK) + return 0; trace_xfs_rmap_defer(mp, XFS_FSB_TO_AGNO(mp, ri->ri_bmap.br_startblock), ri->ri_type, diff --git a/libxfs/xfs_types.h b/libxfs/xfs_types.h index 690d616..cf044c0 100644 --- a/libxfs/xfs_types.h +++ b/libxfs/xfs_types.h @@ -93,6 +93,7 @@ typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */ */ #define XFS_DATA_FORK 0 #define XFS_ATTR_FORK 1 +#define XFS_COW_FORK 2 /* * Min numbers of data/attr fork btree root pointers. From darrick.wong@oracle.com Thu Jun 16 20:40:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 81661830C for ; Thu, 16 Jun 2016 20:40:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 403638F804B for ; Thu, 16 Jun 2016 18:40:53 -0700 (PDT) X-ASG-Debug-ID: 1466127650-04cbb01fed6a500001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id vcTAgRql7uEUq41S (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:51 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ek31021149 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:46 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ekgo032091 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:46 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ehCK012432; Fri, 17 Jun 2016 01:40:44 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:43 -0700 Subject: [PATCH 094/145] xfs: support bmapping delalloc extents in the CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 094/145] xfs: support bmapping delalloc extents in the CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:42 -0700 Message-ID: <146612764201.16048.17050341682992352093.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127651 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5471 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Allow the creation of delayed allocation extents in the CoW fork. In a subsequent patch we'll wire up write_begin and page_mkwrite to actually do this. Signed-off-by: Darrick J. Wong --- libxfs/xfs_bmap.c | 29 ++++++++++++++++++----------- libxfs/xfs_bmap.h | 2 +- 2 files changed, 19 insertions(+), 12 deletions(-) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 2ec3385..acb3011 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -2752,6 +2752,7 @@ done: STATIC void xfs_bmap_add_extent_hole_delay( xfs_inode_t *ip, /* incore inode pointer */ + int whichfork, xfs_extnum_t *idx, /* extent number to update/insert */ xfs_bmbt_irec_t *new) /* new data to add to file extents */ { @@ -2763,8 +2764,10 @@ xfs_bmap_add_extent_hole_delay( int state; /* state bits, accessed thru macros */ xfs_filblks_t temp=0; /* temp for indirect calculations */ - ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + ifp = XFS_IFORK_PTR(ip, whichfork); state = 0; + if (whichfork == XFS_COW_FORK) + state |= BMAP_COWFORK; ASSERT(isnullstartblock(new->br_startblock)); /* @@ -2782,7 +2785,7 @@ xfs_bmap_add_extent_hole_delay( * Check and set flags if the current (right) segment exists. * If it doesn't exist, we're converting the hole at end-of-file. */ - if (*idx < ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t)) { + if (*idx < ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t)) { state |= BMAP_RIGHT_VALID; xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *idx), &right); @@ -4132,6 +4135,7 @@ xfs_bmapi_read( STATIC int xfs_bmapi_reserve_delalloc( struct xfs_inode *ip, + int whichfork, xfs_fileoff_t aoff, xfs_filblks_t len, struct xfs_bmbt_irec *got, @@ -4140,7 +4144,7 @@ xfs_bmapi_reserve_delalloc( int eof) { struct xfs_mount *mp = ip->i_mount; - struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); xfs_extlen_t alen; xfs_extlen_t indlen; char rt = XFS_IS_REALTIME_INODE(ip); @@ -4199,7 +4203,7 @@ xfs_bmapi_reserve_delalloc( got->br_startblock = nullstartblock(indlen); got->br_blockcount = alen; got->br_state = XFS_EXT_NORM; - xfs_bmap_add_extent_hole_delay(ip, lastx, got); + xfs_bmap_add_extent_hole_delay(ip, whichfork, lastx, got); /* * Update our extent pointer, given that xfs_bmap_add_extent_hole_delay @@ -4231,6 +4235,7 @@ out_unreserve_quota: int xfs_bmapi_delay( struct xfs_inode *ip, /* incore inode */ + int whichfork, /* data or cow fork? */ xfs_fileoff_t bno, /* starting file offs. mapped */ xfs_filblks_t len, /* length to map in file */ struct xfs_bmbt_irec *mval, /* output: map values */ @@ -4238,7 +4243,7 @@ xfs_bmapi_delay( int flags) /* XFS_BMAPI_... */ { struct xfs_mount *mp = ip->i_mount; - struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); struct xfs_bmbt_irec got; /* current file extent record */ struct xfs_bmbt_irec prev; /* previous file extent record */ xfs_fileoff_t obno; /* old block number (offset) */ @@ -4248,14 +4253,15 @@ xfs_bmapi_delay( int n = 0; /* current extent index */ int error = 0; + ASSERT(whichfork == XFS_DATA_FORK || whichfork == XFS_COW_FORK); ASSERT(*nmap >= 1); ASSERT(*nmap <= XFS_BMAP_MAX_NMAP); ASSERT(!(flags & ~XFS_BMAPI_ENTIRE)); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); if (unlikely(XFS_TEST_ERROR( - (XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) != XFS_DINODE_FMT_EXTENTS && - XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) != XFS_DINODE_FMT_BTREE), + (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS && + XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE), mp, XFS_ERRTAG_BMAPIFORMAT, XFS_RANDOM_BMAPIFORMAT))) { XFS_ERROR_REPORT("xfs_bmapi_delay", XFS_ERRLEVEL_LOW, mp); return -EFSCORRUPTED; @@ -4266,19 +4272,20 @@ xfs_bmapi_delay( XFS_STATS_INC(mp, xs_blk_mapw); - if (!(ifp->if_flags & XFS_IFEXTENTS)) { - error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK); + if (whichfork == XFS_DATA_FORK && !(ifp->if_flags & XFS_IFEXTENTS)) { + error = xfs_iread_extents(NULL, ip, whichfork); if (error) return error; } - xfs_bmap_search_extents(ip, bno, XFS_DATA_FORK, &eof, &lastx, &got, &prev); + xfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, &got, &prev); end = bno + len; obno = bno; while (bno < end && n < *nmap) { if (eof || got.br_startoff > bno) { - error = xfs_bmapi_reserve_delalloc(ip, bno, len, &got, + error = xfs_bmapi_reserve_delalloc(ip, whichfork, + bno, len, &got, &prev, &lastx, eof); if (error) { if (n == 0) { diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index a8ef1c6..d90f88e 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -205,7 +205,7 @@ int xfs_bmap_read_extents(struct xfs_trans *tp, struct xfs_inode *ip, int xfs_bmapi_read(struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, struct xfs_bmbt_irec *mval, int *nmap, int flags); -int xfs_bmapi_delay(struct xfs_inode *ip, xfs_fileoff_t bno, +int xfs_bmapi_delay(struct xfs_inode *ip, int whichfork, xfs_fileoff_t bno, xfs_filblks_t len, struct xfs_bmbt_irec *mval, int *nmap, int flags); int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, From darrick.wong@oracle.com Thu Jun 16 20:40:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8F5AD8314 for ; Thu, 16 Jun 2016 20:40:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2689CAC002 for ; Thu, 16 Jun 2016 18:40:59 -0700 (PDT) X-ASG-Debug-ID: 1466127656-04bdf01e15964b0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id oBCQ6Jnsbr0v54eE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:40:57 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1eqRk021184 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:53 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1eq1g032215 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:52 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1enGk012443; Fri, 17 Jun 2016 01:40:51 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:49 -0700 Subject: [PATCH 095/145] xfs: support allocating delayed extents in CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 095/145] xfs: support allocating delayed extents in CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:48 -0700 Message-ID: <146612764817.16048.15047976798476564439.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127657 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7320 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Modify xfs_bmap_add_extent_delay_real() so that we can convert delayed allocation extents in the CoW fork to real allocations, and wire this up all the way back to xfs_iomap_write_allocate(). In a subsequent patch, we'll modify the writepage handler to call this. Signed-off-by: Darrick J. Wong --- libxfs/xfs_bmap.c | 51 +++++++++++++++++++++++++++++++++++---------------- 1 file changed, 35 insertions(+), 16 deletions(-) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index acb3011..18dcd5f 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -133,7 +133,8 @@ xfs_bmbt_lookup_ge( */ static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork) { - return XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS && + return whichfork != XFS_COW_FORK && + XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS && XFS_IFORK_NEXTENTS(ip, whichfork) > XFS_IFORK_MAXEXT(ip, whichfork); } @@ -143,7 +144,8 @@ static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork) */ static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork) { - return XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE && + return whichfork != XFS_COW_FORK && + XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE && XFS_IFORK_NEXTENTS(ip, whichfork) <= XFS_IFORK_MAXEXT(ip, whichfork); } @@ -633,6 +635,7 @@ xfs_bmap_btree_to_extents( mp = ip->i_mount; ifp = XFS_IFORK_PTR(ip, whichfork); + ASSERT(whichfork != XFS_COW_FORK); ASSERT(ifp->if_flags & XFS_IFEXTENTS); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE); rblock = ifp->if_broot; @@ -699,6 +702,7 @@ xfs_bmap_extents_to_btree( xfs_bmbt_ptr_t *pp; /* root block address pointer */ mp = ip->i_mount; + ASSERT(whichfork != XFS_COW_FORK); ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS); @@ -830,6 +834,7 @@ xfs_bmap_local_to_extents_empty( { struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); + ASSERT(whichfork != XFS_COW_FORK); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL); ASSERT(ifp->if_bytes == 0); ASSERT(XFS_IFORK_NEXTENTS(ip, whichfork) == 0); @@ -1663,7 +1668,8 @@ xfs_bmap_one_block( */ STATIC int /* error */ xfs_bmap_add_extent_delay_real( - struct xfs_bmalloca *bma) + struct xfs_bmalloca *bma, + int whichfork) { struct xfs_bmbt_irec *new = &bma->got; int diff; /* temp value */ @@ -1682,10 +1688,13 @@ xfs_bmap_add_extent_delay_real( xfs_filblks_t temp2=0;/* value for da_new calculations */ int tmp_rval; /* partial logging flags */ struct xfs_mount *mp; - int whichfork = XFS_DATA_FORK; + xfs_extnum_t *nextents; mp = bma->ip->i_mount; ifp = XFS_IFORK_PTR(bma->ip, whichfork); + ASSERT(whichfork != XFS_ATTR_FORK); + nextents = (whichfork == XFS_COW_FORK ? &bma->ip->i_cnextents : + &bma->ip->i_d.di_nextents); ASSERT(bma->idx >= 0); ASSERT(bma->idx <= ifp->if_bytes / sizeof(struct xfs_bmbt_rec)); @@ -1699,6 +1708,9 @@ xfs_bmap_add_extent_delay_real( #define RIGHT r[1] #define PREV r[2] + if (whichfork == XFS_COW_FORK) + state |= BMAP_COWFORK; + /* * Set up a bunch of variables to make the tests simpler. */ @@ -1785,7 +1797,7 @@ xfs_bmap_add_extent_delay_real( trace_xfs_bmap_post_update(bma->ip, bma->idx, state, _THIS_IP_); xfs_iext_remove(bma->ip, bma->idx + 1, 2, state); - bma->ip->i_d.di_nextents--; + (*nextents)--; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -1887,7 +1899,7 @@ xfs_bmap_add_extent_delay_real( xfs_bmbt_set_startblock(ep, new->br_startblock); trace_xfs_bmap_post_update(bma->ip, bma->idx, state, _THIS_IP_); - bma->ip->i_d.di_nextents++; + (*nextents)++; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -1957,7 +1969,7 @@ xfs_bmap_add_extent_delay_real( temp = PREV.br_blockcount - new->br_blockcount; xfs_bmbt_set_blockcount(ep, temp); xfs_iext_insert(bma->ip, bma->idx, 1, new, state); - bma->ip->i_d.di_nextents++; + (*nextents)++; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -2041,7 +2053,7 @@ xfs_bmap_add_extent_delay_real( trace_xfs_bmap_pre_update(bma->ip, bma->idx, state, _THIS_IP_); xfs_bmbt_set_blockcount(ep, temp); xfs_iext_insert(bma->ip, bma->idx + 1, 1, new, state); - bma->ip->i_d.di_nextents++; + (*nextents)++; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -2110,7 +2122,7 @@ xfs_bmap_add_extent_delay_real( RIGHT.br_blockcount = temp2; /* insert LEFT (r[0]) and RIGHT (r[1]) at the same time */ xfs_iext_insert(bma->ip, bma->idx + 1, 2, &LEFT, state); - bma->ip->i_d.di_nextents++; + (*nextents)++; if (bma->cur == NULL) rval = XFS_ILOG_CORE | XFS_ILOG_DEXT; else { @@ -2208,7 +2220,8 @@ xfs_bmap_add_extent_delay_real( xfs_bmap_check_leaf_extents(bma->cur, bma->ip, whichfork); done: - bma->logflags |= rval; + if (whichfork != XFS_COW_FORK) + bma->logflags |= rval; return error; #undef LEFT #undef RIGHT @@ -3848,7 +3861,8 @@ xfs_bmap_btalloc( ASSERT(nullfb || fb_agno == args.agno || (ap->dfops->dop_low && fb_agno < args.agno)); ap->length = args.len; - ap->ip->i_d.di_nblocks += args.len; + if (!(ap->flags & XFS_BMAPI_COWFORK)) + ap->ip->i_d.di_nblocks += args.len; xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE); if (ap->wasdel) ap->ip->i_delayed_blks -= args.len; @@ -4322,8 +4336,7 @@ xfs_bmapi_allocate( struct xfs_bmalloca *bma) { struct xfs_mount *mp = bma->ip->i_mount; - int whichfork = (bma->flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + int whichfork = xfs_bmapi_whichfork(bma->flags); struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork); int tmp_logflags = 0; int error; @@ -4412,7 +4425,7 @@ xfs_bmapi_allocate( bma->got.br_state = XFS_EXT_UNWRITTEN; if (bma->wasdel) - error = xfs_bmap_add_extent_delay_real(bma); + error = xfs_bmap_add_extent_delay_real(bma, whichfork); else error = xfs_bmap_add_extent_hole_real(bma, whichfork); @@ -4566,8 +4579,7 @@ xfs_bmapi_write( orig_mval = mval; orig_nmap = *nmap; #endif - whichfork = (flags & XFS_BMAPI_ATTRFORK) ? - XFS_ATTR_FORK : XFS_DATA_FORK; + whichfork = xfs_bmapi_whichfork(flags); ASSERT(*nmap >= 1); ASSERT(*nmap <= XFS_BMAP_MAX_NMAP); @@ -4578,6 +4590,11 @@ xfs_bmapi_write( ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); if (whichfork == XFS_ATTR_FORK) ASSERT(!(flags & XFS_BMAPI_REMAP)); + if (whichfork == XFS_COW_FORK) { + ASSERT(!(flags & XFS_BMAPI_REMAP)); + ASSERT(!(flags & XFS_BMAPI_PREALLOC)); + ASSERT(!(flags & XFS_BMAPI_CONVERT)); + } if (flags & XFS_BMAPI_REMAP) { ASSERT(!(flags & XFS_BMAPI_PREALLOC)); ASSERT(!(flags & XFS_BMAPI_CONVERT)); @@ -4647,6 +4664,8 @@ xfs_bmapi_write( */ if (flags & XFS_BMAPI_REMAP) ASSERT(inhole); + if (flags & XFS_BMAPI_COWFORK) + ASSERT(!inhole); /* * First, deal with the hole before the allocated space From darrick.wong@oracle.com Thu Jun 16 20:41:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F33A382AF for ; Thu, 16 Jun 2016 20:41:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 67BC9AC002 for ; Thu, 16 Jun 2016 18:41:03 -0700 (PDT) X-ASG-Debug-ID: 1466127660-04cb6c542458270001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id p5Y892HVVrmDTF6b (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ewc6008638 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:59 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ewLi008098 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:40:58 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1etRG012457; Fri, 17 Jun 2016 01:40:57 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:40:55 -0700 Subject: [PATCH 096/145] xfs: support removing extents from CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 096/145] xfs: support removing extents from CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:40:54 -0700 Message-ID: <146612765433.16048.7762907945723924511.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127660 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7058 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a helper method to remove extents from the CoW fork without any of the side effects (rmapbt/bmbt updates) of the regular extent deletion routine. We'll eventually use this to clear out the CoW fork during ioend processing. v2: Use bmapi_read to iterate and trim the CoW extents instead of reading them raw via the iext code. Signed-off-by: Darrick J. Wong --- libxfs/xfs_bmap.c | 176 +++++++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_bmap.h | 1 2 files changed, 177 insertions(+) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 18dcd5f..3e4a3e7 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -4973,6 +4973,7 @@ xfs_bmap_del_extent( /* * Matches the whole extent. Delete the entry. */ + trace_xfs_bmap_pre_update(ip, *idx, state, _THIS_IP_); xfs_iext_remove(ip, *idx, 1, whichfork == XFS_ATTR_FORK ? BMAP_ATTRFORK : 0); --*idx; @@ -5190,6 +5191,181 @@ done: } /* + * xfs_bunmapi_cow() -- Remove the relevant parts of the CoW fork. + * See xfs_bmap_del_extent. + * @ip: XFS inode. + * @idx: Extent number to delete. + * @del: Extent to remove. + */ +int +xfs_bunmapi_cow( + xfs_inode_t *ip, + xfs_bmbt_irec_t *del) +{ + xfs_filblks_t da_new; /* new delay-alloc indirect blocks */ + xfs_filblks_t da_old; /* old delay-alloc indirect blocks */ + xfs_fsblock_t del_endblock = 0;/* first block past del */ + xfs_fileoff_t del_endoff; /* first offset past del */ + int delay; /* current block is delayed allocated */ + xfs_bmbt_rec_host_t *ep; /* current extent entry pointer */ + int error; /* error return value */ + xfs_bmbt_irec_t got; /* current extent entry */ + xfs_fileoff_t got_endoff; /* first offset past got */ + xfs_ifork_t *ifp; /* inode fork pointer */ + xfs_mount_t *mp; /* mount structure */ + xfs_filblks_t nblks; /* quota/sb block count */ + xfs_bmbt_irec_t new; /* new record to be inserted */ + /* REFERENCED */ + uint qfield; /* quota field to update */ + xfs_filblks_t temp; /* for indirect length calculations */ + xfs_filblks_t temp2; /* for indirect length calculations */ + int state = BMAP_COWFORK; + int eof; + xfs_extnum_t eidx; + + mp = ip->i_mount; + XFS_STATS_INC(mp, xs_del_exlist); + + ep = xfs_bmap_search_extents(ip, del->br_startoff, XFS_COW_FORK, &eof, + &eidx, &got, &new); + + ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + ASSERT((eidx >= 0) && (eidx < ifp->if_bytes / + (uint)sizeof(xfs_bmbt_rec_t))); + ASSERT(del->br_blockcount > 0); + ASSERT(got.br_startoff <= del->br_startoff); + del_endoff = del->br_startoff + del->br_blockcount; + got_endoff = got.br_startoff + got.br_blockcount; + ASSERT(got_endoff >= del_endoff); + delay = isnullstartblock(got.br_startblock); + ASSERT(isnullstartblock(del->br_startblock) == delay); + qfield = 0; + error = 0; + /* + * If deleting a real allocation, must free up the disk space. + */ + if (!delay) { + nblks = del->br_blockcount; + qfield = XFS_TRANS_DQ_BCOUNT; + /* + * Set up del_endblock and cur for later. + */ + del_endblock = del->br_startblock + del->br_blockcount; + da_old = da_new = 0; + } else { + da_old = startblockval(got.br_startblock); + da_new = 0; + nblks = 0; + } + qfield = qfield; + nblks = nblks; + + /* + * Set flag value to use in switch statement. + * Left-contig is 2, right-contig is 1. + */ + switch (((got.br_startoff == del->br_startoff) << 1) | + (got_endoff == del_endoff)) { + case 3: + /* + * Matches the whole extent. Delete the entry. + */ + xfs_iext_remove(ip, eidx, 1, BMAP_COWFORK); + --eidx; + break; + + case 2: + /* + * Deleting the first part of the extent. + */ + trace_xfs_bmap_pre_update(ip, eidx, state, _THIS_IP_); + xfs_bmbt_set_startoff(ep, del_endoff); + temp = got.br_blockcount - del->br_blockcount; + xfs_bmbt_set_blockcount(ep, temp); + if (delay) { + temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), + da_old); + xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + da_new = temp; + break; + } + xfs_bmbt_set_startblock(ep, del_endblock); + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + break; + + case 1: + /* + * Deleting the last part of the extent. + */ + temp = got.br_blockcount - del->br_blockcount; + trace_xfs_bmap_pre_update(ip, eidx, state, _THIS_IP_); + xfs_bmbt_set_blockcount(ep, temp); + if (delay) { + temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp), + da_old); + xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + da_new = temp; + break; + } + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + break; + + case 0: + /* + * Deleting the middle of the extent. + */ + temp = del->br_startoff - got.br_startoff; + trace_xfs_bmap_pre_update(ip, eidx, state, _THIS_IP_); + xfs_bmbt_set_blockcount(ep, temp); + new.br_startoff = del_endoff; + temp2 = got_endoff - del_endoff; + new.br_blockcount = temp2; + new.br_state = got.br_state; + if (!delay) { + new.br_startblock = del_endblock; + } else { + temp = xfs_bmap_worst_indlen(ip, temp); + xfs_bmbt_set_startblock(ep, nullstartblock((int)temp)); + temp2 = xfs_bmap_worst_indlen(ip, temp2); + new.br_startblock = nullstartblock((int)temp2); + da_new = temp + temp2; + while (da_new > da_old) { + if (temp) { + temp--; + da_new--; + xfs_bmbt_set_startblock(ep, + nullstartblock((int)temp)); + } + if (da_new == da_old) + break; + if (temp2) { + temp2--; + da_new--; + new.br_startblock = + nullstartblock((int)temp2); + } + } + } + trace_xfs_bmap_post_update(ip, eidx, state, _THIS_IP_); + xfs_iext_insert(ip, eidx + 1, 1, &new, state); + ++eidx; + break; + } + + /* + * Account for change in delayed indirect blocks. + * Nothing to do for disk quota accounting here. + */ + ASSERT(da_old >= da_new); + if (da_old > da_new) + xfs_mod_fdblocks(mp, (int64_t)(da_old - da_new), false); + + return error; +} + +/* * Unmap (remove) blocks from a file. * If nexts is nonzero then the number of extents to remove is limited to * that value. If not all extents in the block range can be removed then diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index d90f88e..1c7ab70 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -221,6 +221,7 @@ int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, struct xfs_defer_ops *dfops, int *done); +int xfs_bunmapi_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *del); int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, xfs_extnum_t num); uint xfs_default_attroffset(struct xfs_inode *ip); From darrick.wong@oracle.com Thu Jun 16 20:41:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 143ED82F1 for ; Thu, 16 Jun 2016 20:41:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id D8EB18F804B for ; Thu, 16 Jun 2016 18:41:10 -0700 (PDT) X-ASG-Debug-ID: 1466127667-04cb6c542458280001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 6fWzhXoDCpVKv1hg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1f23G021493 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:41:03 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1f2Ko005722 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:41:02 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1f2ka002203; Fri, 17 Jun 2016 01:41:02 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:01 -0700 Subject: [PATCH 097/145] xfs: store in-progress CoW allocations in the refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 097/145] xfs: store in-progress CoW allocations in the refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:00 -0700 Message-ID: <146612766048.16048.7267003332348435121.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127667 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 16807 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Due to the way the CoW algorithm in XFS works, there's an interval during which blocks allocated to handle a CoW can be lost -- if the FS goes down after the blocks are allocated but before the block remapping takes place. This is exacerbated by the cowextsz hint -- allocated reservations can sit around for a while, waiting to get used. Since the refcount btree doesn't normally store records with refcount of 1, we can use it to record these in-progress extents. In-progress blocks cannot be shared because they're not user-visible, so there shouldn't be any conflicts with other programs. This is a better solution than holding EFIs during writeback because (a) EFIs can't be relogged currently, (b) even if they could, EFIs are bound by available log space, which puts an unnecessary upper bound on how much CoW we can have in flight, and (c) we already have a mechanism to track blocks. At mount time, read the refcount records and free anything we find with a refcount of 1 because those were in-progress when the FS went down. v2: Use the deferred operations system to avoid deadlocks and blowing out the transaction reservation. This allows us to unmap a CoW extent from the refcountbt and into a file atomically. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 4 + libxfs/xfs_bmap.c | 11 ++ libxfs/xfs_format.h | 3 libxfs/xfs_refcount.c | 321 ++++++++++++++++++++++++++++++++++++++++++++++++- libxfs/xfs_refcount.h | 7 + 5 files changed, 340 insertions(+), 6 deletions(-) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index dfc92a6..7022164 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -261,6 +261,10 @@ #define trace_xfs_bmap_deferred(...) ((void) 0) #define trace_xfs_bmap_defer(...) ((void) 0) +#define trace_xfs_refcount_adjust_cow_error(...) ((void) 0) +#define trace_xfs_refcount_cow_increase(...) ((void) 0) +#define trace_xfs_refcount_cow_decrease(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 3e4a3e7..4b77ed0 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -4697,6 +4697,17 @@ xfs_bmapi_write( goto error0; if (bma.blkno == NULLFSBLOCK) break; + + /* + * If this is a CoW allocation, record the data in + * the refcount btree for orphan recovery. + */ + if (whichfork == XFS_COW_FORK) { + error = xfs_refcount_alloc_cow_extent(mp, dfops, + bma.blkno, bma.length); + if (error) + goto error0; + } } /* Deal with the allocated space we found. */ diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index fdeaf53..820dfde 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -1401,7 +1401,8 @@ xfs_rmap_ino_owner( #define XFS_RMAP_OWN_INOBT (-6ULL) /* Inode btree blocks */ #define XFS_RMAP_OWN_INODES (-7ULL) /* Inode chunk */ #define XFS_RMAP_OWN_REFC (-8ULL) /* refcount tree */ -#define XFS_RMAP_OWN_MIN (-9ULL) /* guard */ +#define XFS_RMAP_OWN_COW (-9ULL) /* cow allocations */ +#define XFS_RMAP_OWN_MIN (-10ULL) /* guard */ #define XFS_RMAP_NON_INODE_OWNER(owner) (!!((owner) & (1ULL << 63))) diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c index d2b614b..e03a9b7 100644 --- a/libxfs/xfs_refcount.c +++ b/libxfs/xfs_refcount.c @@ -35,13 +35,23 @@ #include "xfs_trans.h" #include "xfs_bit.h" #include "xfs_refcount.h" +#include "xfs_rmap_btree.h" /* Allowable refcount adjustment amounts. */ enum xfs_refc_adjust_op { XFS_REFCOUNT_ADJUST_INCREASE = 1, XFS_REFCOUNT_ADJUST_DECREASE = -1, + XFS_REFCOUNT_ADJUST_COW_ALLOC = 0, + XFS_REFCOUNT_ADJUST_COW_FREE = -1, }; +STATIC int __xfs_refcount_cow_alloc(struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, xfs_extlen_t aglen, + struct xfs_defer_ops *dfops); +STATIC int __xfs_refcount_cow_free(struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, xfs_extlen_t aglen, + struct xfs_defer_ops *dfops); + /* * Look up the first record less than or equal to [bno, len] in the btree * given by cur. @@ -467,6 +477,8 @@ out_error: return error; } +#define XFS_FIND_RCEXT_SHARED 1 +#define XFS_FIND_RCEXT_COW 2 /* * Find the left extent and the one after it (cleft). This function assumes * that we've already split any extent crossing agbno. @@ -477,7 +489,8 @@ xfs_refcount_find_left_extents( struct xfs_refcount_irec *left, struct xfs_refcount_irec *cleft, xfs_agblock_t agbno, - xfs_extlen_t aglen) + xfs_extlen_t aglen, + int flags) { struct xfs_refcount_irec tmp; int error; @@ -497,6 +510,10 @@ xfs_refcount_find_left_extents( if (RCNEXT(tmp) != agbno) return 0; + if ((flags & XFS_FIND_RCEXT_SHARED) && tmp.rc_refcount < 2) + return 0; + if ((flags & XFS_FIND_RCEXT_COW) && tmp.rc_refcount > 1) + return 0; /* We have a left extent; retrieve (or invent) the next right one */ *left = tmp; @@ -553,7 +570,8 @@ xfs_refcount_find_right_extents( struct xfs_refcount_irec *right, struct xfs_refcount_irec *cright, xfs_agblock_t agbno, - xfs_extlen_t aglen) + xfs_extlen_t aglen, + int flags) { struct xfs_refcount_irec tmp; int error; @@ -573,6 +591,10 @@ xfs_refcount_find_right_extents( if (tmp.rc_startblock != agbno + aglen) return 0; + if ((flags & XFS_FIND_RCEXT_SHARED) && tmp.rc_refcount < 2) + return 0; + if ((flags & XFS_FIND_RCEXT_COW) && tmp.rc_refcount > 1) + return 0; /* We have a right extent; retrieve (or invent) the next left one */ *right = tmp; @@ -629,6 +651,7 @@ xfs_refcount_merge_extents( xfs_agblock_t *agbno, xfs_extlen_t *aglen, enum xfs_refc_adjust_op adjust, + int flags, bool *shape_changed) { struct xfs_refcount_irec left = {0}, cleft = {0}; @@ -644,11 +667,11 @@ xfs_refcount_merge_extents( * [right]. */ error = xfs_refcount_find_left_extents(cur, &left, &cleft, *agbno, - *aglen); + *aglen, flags); if (error) return error; error = xfs_refcount_find_right_extents(cur, &right, &cright, *agbno, - *aglen); + *aglen, flags); if (error) return error; @@ -935,7 +958,7 @@ xfs_refcount_adjust( */ orig_aglen = aglen; error = xfs_refcount_merge_extents(cur, &agbno, &aglen, adj, - &shape_changed); + XFS_FIND_RCEXT_SHARED, &shape_changed); if (error) goto out_error; if (shape_changed) @@ -1052,6 +1075,18 @@ xfs_refcount_finish_one( error = xfs_refcount_adjust(rcur, bno, blockcount, adjusted, XFS_REFCOUNT_ADJUST_DECREASE, dfops, NULL); break; + case XFS_REFCOUNT_ALLOC_COW: + *adjusted = 0; + error = __xfs_refcount_cow_alloc(rcur, bno, blockcount, dfops); + if (!error) + *adjusted = blockcount; + break; + case XFS_REFCOUNT_FREE_COW: + *adjusted = 0; + error = __xfs_refcount_cow_free(rcur, bno, blockcount, dfops); + if (!error) + *adjusted = blockcount; + break; default: ASSERT(0); error = -EFSCORRUPTED; @@ -1237,3 +1272,279 @@ out: trace_xfs_refcount_find_shared_error(mp, agno, error, _RET_IP_); return error; } + +/* + * Recovering CoW Blocks After a Crash + * + * Due to the way that the copy on write mechanism works, there's a window of + * opportunity in which we can lose track of allocated blocks during a crash. + * Because CoW uses delayed allocation in the in-core CoW fork, writeback + * causes blocks to be allocated and stored in the CoW fork. The blocks are + * no longer in the free space btree but are not otherwise recorded anywhere + * until the write completes and the blocks are mapped into the file. A crash + * in between allocation and remapping results in the replacement blocks being + * lost. This situation is exacerbated by the CoW extent size hint because + * allocations can hang around for long time. + * + * However, there is a place where we can record these allocations before they + * become mappings -- the reference count btree. The btree does not record + * extents with refcount == 1, so we can record allocations with a refcount of + * 1. Blocks being used for CoW writeout cannot be shared, so there should be + * no conflict with shared block records. These mappings should be created + * when we allocate blocks to the CoW fork and deleted when they're removed + * from the CoW fork. + * + * Minor nit: records for in-progress CoW allocations and records for shared + * extents must never be merged, to preserve the property that (except for CoW + * allocations) there are no refcount btree entries with refcount == 1. The + * only time this could potentially happen is when unsharing a block that's + * adjacent to CoW allocations, so we must be careful to avoid this. + * + * At mount time we recover lost CoW allocations by searching the refcount + * btree for these refcount == 1 mappings. These represent CoW allocations + * that were in progress at the time the filesystem went down, so we can free + * them to get the space back. + * + * This mechanism is superior to creating EFIs for unmapped CoW extents for + * several reasons -- first, EFIs pin the tail of the log and would have to be + * periodically relogged to avoid filling up the log. Second, CoW completions + * will have to file an EFD and create new EFIs for whatever remains in the + * CoW fork; this partially takes care of (1) but extent-size reservations + * will have to periodically relog even if there's no writeout in progress. + * This can happen if the CoW extent size hint is set, which you really want. + * Third, EFIs cannot currently be automatically relogged into newer + * transactions to advance the log tail. Fourth, stuffing the log full of + * EFIs places an upper bound on the number of CoW allocations that can be + * held filesystem-wide at any given time. Recording them in the refcount + * btree doesn't require us to maintain any state in memory and doesn't pin + * the log. + */ +/* + * Adjust the refcounts of CoW allocations. These allocations are "magic" + * in that they're not referenced anywhere else in the filesystem, so we + * stash them in the refcount btree with a refcount of 1 until either file + * remapping (or CoW cancellation) happens. + */ +STATIC int +xfs_refcount_adjust_cow_extents( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + enum xfs_refc_adjust_op adj, + struct xfs_defer_ops *dfops, + struct xfs_owner_info *oinfo) +{ + struct xfs_refcount_irec ext, tmp; + int error; + int found_rec, found_tmp; + + if (aglen == 0) + return 0; + + /* Find any overlapping refcount records */ + error = xfs_refcountbt_lookup_ge(cur, agbno, &found_rec); + if (error) + goto out_error; + error = xfs_refcountbt_get_rec(cur, &ext, &found_rec); + if (error) + goto out_error; + if (!found_rec) { + ext.rc_startblock = cur->bc_mp->m_sb.sb_agblocks; + ext.rc_blockcount = 0; + ext.rc_refcount = 0; + } + + switch (adj) { + case XFS_REFCOUNT_ADJUST_COW_ALLOC: + /* Adding a CoW reservation, there should be nothing here. */ + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + ext.rc_startblock >= agbno + aglen, out_error); + + tmp.rc_startblock = agbno; + tmp.rc_blockcount = aglen; + tmp.rc_refcount = 1; + trace_xfs_refcount_modify_extent(cur->bc_mp, + cur->bc_private.a.agno, &tmp); + + error = xfs_refcountbt_insert(cur, &tmp, + &found_tmp); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + found_tmp == 1, out_error); + break; + case XFS_REFCOUNT_ADJUST_COW_FREE: + /* Removing a CoW reservation, there should be one extent. */ + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + ext.rc_startblock == agbno, out_error); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + ext.rc_blockcount == aglen, out_error); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + ext.rc_refcount == 1, out_error); + + ext.rc_refcount = 0; + trace_xfs_refcount_modify_extent(cur->bc_mp, + cur->bc_private.a.agno, &ext); + error = xfs_refcountbt_delete(cur, &found_rec); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, + found_rec == 1, out_error); + break; + default: + ASSERT(0); + } + + return error; +out_error: + trace_xfs_refcount_modify_extent_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* + * Add or remove refcount btree entries for CoW reservations. + */ +STATIC int +xfs_refcount_adjust_cow( + struct xfs_btree_cur *cur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + enum xfs_refc_adjust_op adj, + struct xfs_defer_ops *dfops) +{ + bool shape_changed; + int error; + + /* + * Ensure that no rcextents cross the boundary of the adjustment range. + */ + error = xfs_refcount_split_extent(cur, agbno, &shape_changed); + if (error) + goto out_error; + + error = xfs_refcount_split_extent(cur, agbno + aglen, &shape_changed); + if (error) + goto out_error; + + /* + * Try to merge with the left or right extents of the range. + */ + error = xfs_refcount_merge_extents(cur, &agbno, &aglen, adj, + XFS_FIND_RCEXT_COW, &shape_changed); + if (error) + goto out_error; + + /* Now that we've taken care of the ends, adjust the middle extents */ + error = xfs_refcount_adjust_cow_extents(cur, agbno, aglen, adj, + dfops, NULL); + if (error) + goto out_error; + + return 0; + +out_error: + trace_xfs_refcount_adjust_cow_error(cur->bc_mp, cur->bc_private.a.agno, + error, _RET_IP_); + return error; +} + +/* + * Record a CoW allocation in the refcount btree. + */ +STATIC int +__xfs_refcount_cow_alloc( + struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + struct xfs_defer_ops *dfops) +{ + int error; + + trace_xfs_refcount_cow_increase(rcur->bc_mp, rcur->bc_private.a.agno, + agbno, aglen); + + /* Add refcount btree reservation */ + error = xfs_refcount_adjust_cow(rcur, agbno, aglen, + XFS_REFCOUNT_ADJUST_COW_ALLOC, dfops); + if (error) + return error; + + /* Add rmap entry */ + if (xfs_sb_version_hasrmapbt(&rcur->bc_mp->m_sb)) { + error = xfs_rmap_alloc_defer(rcur->bc_mp, dfops, + rcur->bc_private.a.agno, + agbno, aglen, XFS_RMAP_OWN_COW); + if (error) + return error; + } + + return error; +} + +/* + * Remove a CoW allocation from the refcount btree. + */ +STATIC int +__xfs_refcount_cow_free( + struct xfs_btree_cur *rcur, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + struct xfs_defer_ops *dfops) +{ + int error; + + trace_xfs_refcount_cow_decrease(rcur->bc_mp, rcur->bc_private.a.agno, + agbno, aglen); + + /* Remove refcount btree reservation */ + error = xfs_refcount_adjust_cow(rcur, agbno, aglen, + XFS_REFCOUNT_ADJUST_COW_FREE, dfops); + if (error) + return error; + + /* Remove rmap entry */ + if (xfs_sb_version_hasrmapbt(&rcur->bc_mp->m_sb)) { + error = xfs_rmap_free_defer(rcur->bc_mp, dfops, + rcur->bc_private.a.agno, + agbno, aglen, XFS_RMAP_OWN_COW); + if (error) + return error; + } + + return error; +} + +/* Record a CoW staging extent in the refcount btree. */ +int +xfs_refcount_alloc_cow_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + xfs_fsblock_t fsb, + xfs_extlen_t len) +{ + struct xfs_refcount_intent ri; + + ri.ri_type = XFS_REFCOUNT_ALLOC_COW; + ri.ri_startblock = fsb; + ri.ri_blockcount = len; + + return __xfs_refcount_add(mp, dfops, &ri); +} + +/* Forget a CoW staging event in the refcount btree. */ +int +xfs_refcount_free_cow_extent( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops, + xfs_fsblock_t fsb, + xfs_extlen_t len) +{ + struct xfs_refcount_intent ri; + + ri.ri_type = XFS_REFCOUNT_FREE_COW; + ri.ri_startblock = fsb; + ri.ri_blockcount = len; + + return __xfs_refcount_add(mp, dfops, &ri); +} diff --git a/libxfs/xfs_refcount.h b/libxfs/xfs_refcount.h index b7b83b8..6665eeb 100644 --- a/libxfs/xfs_refcount.h +++ b/libxfs/xfs_refcount.h @@ -57,4 +57,11 @@ extern int xfs_refcount_find_shared(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno, xfs_extlen_t *flen, bool find_maximal); +extern int xfs_refcount_alloc_cow_extent(struct xfs_mount *mp, + struct xfs_defer_ops *dfops, xfs_fsblock_t fsb, + xfs_extlen_t len); +extern int xfs_refcount_free_cow_extent(struct xfs_mount *mp, + struct xfs_defer_ops *dfops, xfs_fsblock_t fsb, + xfs_extlen_t len); + #endif /* __XFS_REFCOUNT_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:41:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 50CF28328 for ; Thu, 16 Jun 2016 20:41:15 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 07CC88F804B for ; Thu, 16 Jun 2016 18:41:14 -0700 (PDT) X-ASG-Debug-ID: 1466127673-04cbb01fee6a560001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 9N8WSnQhJGIKAbPe (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:13 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1fB1L009004 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:12 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fBSB032704 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:11 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1f8RZ029936; Fri, 17 Jun 2016 01:41:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:08 -0700 Subject: [PATCH 098/145] xfs: teach get_bmapx and fiemap about shared extents and the CoW fork From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 098/145] xfs: teach get_bmapx and fiemap about shared extents and the CoW fork To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:06 -0700 Message-ID: <146612766672.16048.349656239666586877.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127673 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1375 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Teach xfs_getbmapx how to report shared extents and CoW fork contents, then modify the FIEMAP formatters to set the appropriate flags. A previous version of this patch only modified the fiemap formatter, which is insufficient. Signed-off-by: Darrick J. Wong --- libxfs/xfs_fs.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index f291a53..bb70066 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -105,14 +105,16 @@ struct getbmapx { #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ +#define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */ #define BMV_IF_VALID \ (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ - BMV_IF_DELALLOC|BMV_IF_NO_HOLES) + BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) /* bmv_oflags values - returned for each non-header segment */ #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ #define BMV_OF_LAST 0x4 /* segment is the last in the file */ +#define BMV_OF_SHARED 0x8 /* segment shared with another file */ /* * Structure for XFS_IOC_FSSETDM. From darrick.wong@oracle.com Thu Jun 16 20:41:21 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 30A7C832E for ; Thu, 16 Jun 2016 20:41:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D2FC7304048 for ; Thu, 16 Jun 2016 18:41:20 -0700 (PDT) X-ASG-Debug-ID: 1466127678-04bdf01e17964e0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id GBPUS7JF3wCG4CBV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:19 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1fH3j009089 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:17 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fGns008449 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:17 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fE4f012630; Fri, 17 Jun 2016 01:41:15 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:14 -0700 Subject: [PATCH 099/145] xfs: support FS_XFLAG_REFLINK on reflink filesystems From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 099/145] xfs: support FS_XFLAG_REFLINK on reflink filesystems To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:12 -0700 Message-ID: <146612767278.16048.8454443224198853352.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127679 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3149 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add support for reporting the "reflink" inode flag in the XFS-specific getxflags ioctl, and allow the user to clear the flag if file size is zero. v2: Move the reflink flag out of the way of the DAX flag, and add the new cowextsize flag. v3: do not report (or allow changes to) FL_NOCOW_FL, since we don't support a flag to prevent CoWing and the reflink flag is a poor proxy. We'll try to design away the need for the NOCOW flag. Signed-off-by: Darrick J. Wong --- include/darwin.h | 2 ++ include/freebsd.h | 2 ++ include/irix.h | 2 ++ include/linux.h | 2 ++ 4 files changed, 8 insertions(+) diff --git a/include/darwin.h b/include/darwin.h index 2935b4c..abb2a22 100644 --- a/include/darwin.h +++ b/include/darwin.h @@ -314,6 +314,8 @@ struct fsxattr { #define FS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ #define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ #define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */ +#define FS_XFLAG_REFLINK 0x00010000 /* file is reflinked */ +#define FS_XFLAG_COWEXTSIZE 0x00020000 /* CoW extent size allocator hint */ #define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ #define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) diff --git a/include/freebsd.h b/include/freebsd.h index 3feca07..fc58a74 100644 --- a/include/freebsd.h +++ b/include/freebsd.h @@ -204,6 +204,8 @@ struct fsxattr { #define FS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ #define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ #define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */ +#define FS_XFLAG_REFLINK 0x00010000 /* file is reflinked */ +#define FS_XFLAG_COWEXTSIZE 0x00020000 /* CoW extent size allocator hint */ #define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ #define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) diff --git a/include/irix.h b/include/irix.h index 45c8594..c4d25b5 100644 --- a/include/irix.h +++ b/include/irix.h @@ -449,6 +449,8 @@ struct fsxattr { #define FS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ #define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ #define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */ +#define FS_XFLAG_REFLINK 0x00010000 /* file is reflinked */ +#define FS_XFLAG_COWEXTSIZE 0x00020000 /* CoW extent size allocator hint */ #define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ #define FS_IOC_FSGETXATTR F_FSGETXATTR diff --git a/include/linux.h b/include/linux.h index cd4b3eb..d47a29c 100644 --- a/include/linux.h +++ b/include/linux.h @@ -207,6 +207,8 @@ struct fsxattr { #define FS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ #define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ #define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */ +#define FS_XFLAG_REFLINK 0x00010000 /* file is reflinked */ +#define FS_XFLAG_COWEXTSIZE 0x00020000 /* CoW extent size allocator hint */ #define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ #define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) From darrick.wong@oracle.com Thu Jun 16 20:41:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E1B2A82D0 for ; Thu, 16 Jun 2016 20:41:27 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id A3060304039 for ; Thu, 16 Jun 2016 18:41:27 -0700 (PDT) X-ASG-Debug-ID: 1466127685-04cbb01fef6a580001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id nhBXkpFaD4NJw9rn (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:25 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1fKJd021735 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:21 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fKKE008550 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:20 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1fKLh002388; Fri, 17 Jun 2016 01:41:20 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:20 -0700 Subject: [PATCH 100/145] xfs: create a separate cow extent size hint for the allocator From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 100/145] xfs: create a separate cow extent size hint for the allocator To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:18 -0700 Message-ID: <146612767885.16048.6454121864397119567.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127685 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8218 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a per-inode extent size allocator hint for copy-on-write. This hint is separate from the existing extent size hint so that CoW can take advantage of the fragmentation-reducing properties of extent size hints without disabling delalloc for regular writes. The extent size hint that's fed to the allocator during a copy on write operation is the greater of the cowextsize and regular extsize hint. During reflink, if we're sharing the entire source file to the entire destination file and the destination file doesn't already have a cowextsize hint, propagate the source file's cowextsize hint to the destination file. Signed-off-by: Darrick J. Wong --- include/darwin.h | 3 ++- include/freebsd.h | 3 ++- include/irix.h | 3 ++- include/linux.h | 3 ++- libxfs/libxfs_priv.h | 1 + libxfs/xfs_bmap.c | 13 +++++++++++-- libxfs/xfs_format.h | 3 ++- libxfs/xfs_fs.h | 3 ++- libxfs/xfs_inode_buf.c | 4 +++- libxfs/xfs_inode_buf.h | 1 + libxfs/xfs_log_format.h | 3 ++- 11 files changed, 30 insertions(+), 10 deletions(-) diff --git a/include/darwin.h b/include/darwin.h index abb2a22..2cbd058 100644 --- a/include/darwin.h +++ b/include/darwin.h @@ -293,7 +293,8 @@ struct fsxattr { __u32 fsx_extsize; /* extsize field value (get/set)*/ __u32 fsx_nextents; /* nextents field value (get) */ __u32 fsx_projid; /* project identifier (get/set) */ - unsigned char fsx_pad[12]; + __u32 fsx_cowextsize; /* cow extsize field value (get/set) */ + unsigned char fsx_pad[8]; }; /* diff --git a/include/freebsd.h b/include/freebsd.h index fc58a74..1d84b14 100644 --- a/include/freebsd.h +++ b/include/freebsd.h @@ -183,7 +183,8 @@ struct fsxattr { __u32 fsx_extsize; /* extsize field value (get/set)*/ __u32 fsx_nextents; /* nextents field value (get) */ __u32 fsx_projid; /* project identifier (get/set) */ - unsigned char fsx_pad[12]; + __u32 fsx_cowextsize; /* cow extsize field value (get/set) */ + unsigned char fsx_pad[8]; }; /* diff --git a/include/irix.h b/include/irix.h index c4d25b5..0cf796a 100644 --- a/include/irix.h +++ b/include/irix.h @@ -428,7 +428,8 @@ struct fsxattr { __u32 fsx_extsize; /* extsize field value (get/set)*/ __u32 fsx_nextents; /* nextents field value (get) */ __u32 fsx_projid; /* project identifier (get/set) */ - unsigned char fsx_pad[12]; + __u32 fsx_cowextsize; /* cow extsize field value (get/set) */ + unsigned char fsx_pad[8]; }; /* diff --git a/include/linux.h b/include/linux.h index d47a29c..2aeecd0 100644 --- a/include/linux.h +++ b/include/linux.h @@ -186,7 +186,8 @@ struct fsxattr { __u32 fsx_extsize; /* extsize field value (get/set)*/ __u32 fsx_nextents; /* nextents field value (get) */ __u32 fsx_projid; /* project identifier (get/set) */ - unsigned char fsx_pad[12]; + __u32 fsx_cowextsize; /* cow extsize field value (get/set) */ + unsigned char fsx_pad[8]; }; /* diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h index ba16544..41f6b96 100644 --- a/libxfs/libxfs_priv.h +++ b/libxfs/libxfs_priv.h @@ -426,6 +426,7 @@ do { \ #define xfs_rotorstep 1 #define xfs_bmap_rtalloc(a) (-ENOSYS) #define xfs_get_extsz_hint(ip) (0) +#define xfs_get_cowextsz_hint(ip) (0) #define xfs_inode_is_filestream(ip) (0) #define xfs_filestream_lookup_ag(ip) (0) #define xfs_filestream_new_ag(ip,ag) (0) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index 4b77ed0..e81ade5 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -3657,7 +3657,13 @@ xfs_bmap_btalloc( else if (mp->m_dalign) stripe_align = mp->m_dalign; - align = ap->userdata ? xfs_get_extsz_hint(ap->ip) : 0; + if (ap->userdata) { + if (ap->flags & XFS_BMAPI_COWFORK) + align = xfs_get_cowextsz_hint(ap->ip); + else + align = xfs_get_extsz_hint(ap->ip); + } else + align = 0; if (unlikely(align)) { error = xfs_bmap_extsize_align(mp, &ap->got, &ap->prev, align, 0, ap->eof, 0, ap->conv, @@ -4170,7 +4176,10 @@ xfs_bmapi_reserve_delalloc( alen = XFS_FILBLKS_MIN(alen, got->br_startoff - aoff); /* Figure out the extent size, adjust alen */ - extsz = xfs_get_extsz_hint(ip); + if (whichfork == XFS_COW_FORK) + extsz = xfs_get_cowextsz_hint(ip); + else + extsz = xfs_get_extsz_hint(ip); if (extsz) { error = xfs_bmap_extsize_align(mp, got, prev, extsz, rt, eof, 1, 0, &aoff, &alen); diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index 820dfde..de29220 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -890,7 +890,8 @@ typedef struct xfs_dinode { __be64 di_changecount; /* number of attribute changes */ __be64 di_lsn; /* flush sequence */ __be64 di_flags2; /* more random flags */ - __u8 di_pad2[16]; /* more padding for future expansion */ + __be32 di_cowextsize; /* basic cow extent size for file */ + __u8 di_pad2[12]; /* more padding for future expansion */ /* fields only written to during inode creation */ xfs_timestamp_t di_crtime; /* time created */ diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index bb70066..df58c1c 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -302,7 +302,8 @@ typedef struct xfs_bstat { #define bs_projid bs_projid_lo /* (previously just bs_projid) */ __u16 bs_forkoff; /* inode fork offset in bytes */ __u16 bs_projid_hi; /* higher part of project id */ - unsigned char bs_pad[10]; /* pad space, unused */ + unsigned char bs_pad[6]; /* pad space, unused */ + __u32 bs_cowextsize; /* cow extent size */ __u32 bs_dmevmask; /* DMIG event mask */ __u16 bs_dmstate; /* DMIG state info */ __u16 bs_aextents; /* attribute number of extents */ diff --git a/libxfs/xfs_inode_buf.c b/libxfs/xfs_inode_buf.c index 572c101..8a804e2 100644 --- a/libxfs/xfs_inode_buf.c +++ b/libxfs/xfs_inode_buf.c @@ -265,6 +265,7 @@ xfs_inode_from_disk( to->di_crtime.t_sec = be32_to_cpu(from->di_crtime.t_sec); to->di_crtime.t_nsec = be32_to_cpu(from->di_crtime.t_nsec); to->di_flags2 = be64_to_cpu(from->di_flags2); + to->di_cowextsize = be32_to_cpu(from->di_cowextsize); } } @@ -314,7 +315,7 @@ xfs_inode_to_disk( to->di_crtime.t_sec = cpu_to_be32(from->di_crtime.t_sec); to->di_crtime.t_nsec = cpu_to_be32(from->di_crtime.t_nsec); to->di_flags2 = cpu_to_be64(from->di_flags2); - + to->di_cowextsize = cpu_to_be32(from->di_cowextsize); to->di_ino = cpu_to_be64(ip->i_ino); to->di_lsn = cpu_to_be64(lsn); memset(to->di_pad2, 0, sizeof(to->di_pad2)); @@ -366,6 +367,7 @@ xfs_log_dinode_to_disk( to->di_crtime.t_sec = cpu_to_be32(from->di_crtime.t_sec); to->di_crtime.t_nsec = cpu_to_be32(from->di_crtime.t_nsec); to->di_flags2 = cpu_to_be64(from->di_flags2); + to->di_cowextsize = cpu_to_be32(from->di_cowextsize); to->di_ino = cpu_to_be64(from->di_ino); to->di_lsn = cpu_to_be64(from->di_lsn); memcpy(to->di_pad2, from->di_pad2, sizeof(to->di_pad2)); diff --git a/libxfs/xfs_inode_buf.h b/libxfs/xfs_inode_buf.h index 958c543..6848a0a 100644 --- a/libxfs/xfs_inode_buf.h +++ b/libxfs/xfs_inode_buf.h @@ -47,6 +47,7 @@ struct xfs_icdinode { __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ __uint64_t di_flags2; /* more random flags */ + __uint32_t di_cowextsize; /* basic cow extent size for file */ xfs_ictimestamp_t di_crtime; /* time created */ }; diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h index 320a305..9cab67f 100644 --- a/libxfs/xfs_log_format.h +++ b/libxfs/xfs_log_format.h @@ -423,7 +423,8 @@ struct xfs_log_dinode { __uint64_t di_changecount; /* number of attribute changes */ xfs_lsn_t di_lsn; /* flush sequence */ __uint64_t di_flags2; /* more random flags */ - __uint8_t di_pad2[16]; /* more padding for future expansion */ + __uint32_t di_cowextsize; /* basic cow extent size for file */ + __uint8_t di_pad2[12]; /* more padding for future expansion */ /* fields only written to during inode creation */ xfs_ictimestamp_t di_crtime; /* time created */ From darrick.wong@oracle.com Thu Jun 16 20:41:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B34E1833C for ; Thu, 16 Jun 2016 20:41:36 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 72D278F804C for ; Thu, 16 Jun 2016 18:41:36 -0700 (PDT) X-ASG-Debug-ID: 1466127693-04bdf01e1396500001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Bx1EJyflbXLEfFKr (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:34 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1fRAM021771 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:41:27 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1fRpg006222 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:41:27 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1fQYi002405; Fri, 17 Jun 2016 01:41:26 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:26 -0700 Subject: [PATCH 101/145] xfs: preallocate blocks for worst-case btree expansion From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 101/145] xfs: preallocate blocks for worst-case btree expansion To: david@fromorbit.com, darrick.wong@oracle.com Cc: Christoph Hellwig , xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:25 -0700 Message-ID: <146612768501.16048.10887544125329436696.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127694 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9986 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines To gracefully handle the situation where a CoW operation turns a single refcount extent into a lot of tiny ones and then run out of space when a tree split has to happen, use the per-AG reserved block pool to pre-allocate all the space we'll ever need for a maximal btree. For a 4K block size, this only costs an overhead of 0.3% of available disk space. When reflink is enabled, we have an unfortunate problem with rmap -- since we can share a block billions of times, this means that the reverse mapping btree can expand basically infinitely. When an AG is so full that there are no free blocks with which to expand the rmapbt, the filesystem will shut down hard. This is rather annoying to the user, so use the AG reservation code to reserve a "reasonable" amount of space for rmap. We'll prevent reflinks and CoW operations if we think we're getting close to exhausting an AG's free space rather than shutting down, but this permanent reservation should be enough for "most" users. Hopefully. v2: Simplify the return value from xfs_perag_pool_free_block to a bool so that we can easily call xfs_trans_binval for both the per-AG pool and the real freeing case. Without this we fail to invalidate the btree buffer and will trip over the write verifier on a shrinking refcount btree. v3: Convert to the new per-AG reservation code. v4: Combine this patch with the one that adds the rmapbt reservation, since the rmapbt reservation is only needed for reflink filesystems. Signed-off-by: Darrick J. Wong [hch@lst.de: ensure that we invalidate the freed btree buffer] Signed-off-by: Christoph Hellwig --- libxfs/xfs_ag_resv.c | 11 ++++++ libxfs/xfs_alloc.c | 2 - libxfs/xfs_refcount_btree.c | 61 ++++++++++++++++++++++++++++++--- libxfs/xfs_refcount_btree.h | 3 ++ libxfs/xfs_rmap_btree.c | 80 +++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.h | 7 ++++ 6 files changed, 157 insertions(+), 7 deletions(-) diff --git a/libxfs/xfs_ag_resv.c b/libxfs/xfs_ag_resv.c index 03413e4..dd899d4 100644 --- a/libxfs/xfs_ag_resv.c +++ b/libxfs/xfs_ag_resv.c @@ -37,6 +37,7 @@ #include "xfs_trans_space.h" #include "xfs_rmap_btree.h" #include "xfs_btree.h" +#include "xfs_refcount_btree.h" /* * Per-AG Block Reservations @@ -224,6 +225,11 @@ xfs_ag_resv_init( /* Create the metadata reservation. */ ask = used = 0; + err2 = xfs_refcountbt_calc_reserves(pag->pag_mount, pag->pag_agno, + &ask, &used); + if (err2 && !error) + error = err2; + err2 = __xfs_ag_resv_init(pag, XFS_AG_RESV_METADATA, ask, used); if (err2 && !error) error = err2; @@ -235,6 +241,11 @@ init_agfl: /* Create the AGFL metadata reservation */ ask = used = 0; + err2 = xfs_rmapbt_calc_reserves(pag->pag_mount, pag->pag_agno, + &ask, &used); + if (err2 && !error) + error = err2; + err2 = __xfs_ag_resv_init(pag, XFS_AG_RESV_AGFL, ask, used); if (err2 && !error) error = err2; diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index ca3e7ce..33087e6 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -135,8 +135,6 @@ xfs_alloc_ag_max_usable(struct xfs_mount *mp) /* rmap root block + full tree split on full AG */ blocks += 1 + (2 * mp->m_ag_maxlevels) - 1; } - if (xfs_sb_version_hasreflink(&mp->m_sb)) - blocks += xfs_refcountbt_max_size(mp); return mp->m_sb.sb_agblocks - blocks; } diff --git a/libxfs/xfs_refcount_btree.c b/libxfs/xfs_refcount_btree.c index 8c1cba9..1b3ba07 100644 --- a/libxfs/xfs_refcount_btree.c +++ b/libxfs/xfs_refcount_btree.c @@ -75,6 +75,8 @@ xfs_refcountbt_alloc_block( struct xfs_alloc_arg args; /* block allocation args */ int error; /* error return value */ + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); + memset(&args, 0, sizeof(args)); args.tp = cur->bc_tp; args.mp = cur->bc_mp; @@ -84,6 +86,7 @@ xfs_refcountbt_alloc_block( args.firstblock = args.fsbno; xfs_rmap_ag_owner(&args.oinfo, XFS_RMAP_OWN_REFC); args.minlen = args.maxlen = args.prod = 1; + args.resv = XFS_AG_RESV_METADATA; error = xfs_alloc_vextent(&args); if (error) @@ -115,17 +118,20 @@ xfs_refcountbt_free_block( struct xfs_buf *bp) { struct xfs_mount *mp = cur->bc_mp; - struct xfs_trans *tp = cur->bc_tp; xfs_fsblock_t fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp)); struct xfs_owner_info oinfo; + int error; trace_xfs_refcountbt_free_block(cur->bc_mp, cur->bc_private.a.agno, XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno), 1); xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_REFC); - xfs_bmap_add_free(mp, cur->bc_private.a.dfops, fsbno, 1, - &oinfo); - xfs_trans_binval(tp, bp); - return 0; + error = xfs_free_extent(cur->bc_tp, fsbno, 1, &oinfo, + XFS_AG_RESV_METADATA); + if (error) + return error; + + xfs_trans_binval(cur->bc_tp, bp); + return error; } STATIC int @@ -395,3 +401,48 @@ xfs_refcountbt_max_size( return xfs_refcountbt_calc_size(mp, mp->m_sb.sb_agblocks); } + +/* Count the blocks in the reference count tree. */ +static int +xfs_refcountbt_count_blocks( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_extlen_t *tree_blocks) +{ + struct xfs_buf *agbp; + struct xfs_btree_cur *cur; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + return error; + cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); + error = xfs_btree_count_blocks(cur, tree_blocks); + xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, agbp); + + return error; +} + +/* + * Figure out how many blocks to reserve and how many are used by this btree. + */ +int +xfs_refcountbt_calc_reserves( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_extlen_t *ask, + xfs_extlen_t *used) +{ + xfs_extlen_t tree_len = 0; + int error; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return 0; + + *ask += xfs_refcountbt_max_size(mp); + error = xfs_refcountbt_count_blocks(mp, agno, &tree_len); + *used += tree_len; + + return error; +} diff --git a/libxfs/xfs_refcount_btree.h b/libxfs/xfs_refcount_btree.h index 780b02f..3be7768 100644 --- a/libxfs/xfs_refcount_btree.h +++ b/libxfs/xfs_refcount_btree.h @@ -68,4 +68,7 @@ extern xfs_extlen_t xfs_refcountbt_calc_size(struct xfs_mount *mp, unsigned long long len); extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp); +extern int xfs_refcountbt_calc_reserves(struct xfs_mount *mp, + xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); + #endif /* __XFS_REFCOUNT_BTREE_H__ */ diff --git a/libxfs/xfs_rmap_btree.c b/libxfs/xfs_rmap_btree.c index 3fedfd7..0b7da82 100644 --- a/libxfs/xfs_rmap_btree.c +++ b/libxfs/xfs_rmap_btree.c @@ -32,6 +32,7 @@ #include "xfs_rmap_btree.h" #include "xfs_trace.h" #include "xfs_cksum.h" +#include "xfs_ag_resv.h" /* * Reverse map btree. @@ -58,6 +59,14 @@ * try to recover tree and file data from corrupt primary metadata. */ +static bool +xfs_rmapbt_need_reserve( + struct xfs_mount *mp) +{ + return xfs_sb_version_hasrmapbt(&mp->m_sb) && + xfs_sb_version_hasreflink(&mp->m_sb); +} + static struct xfs_btree_cur * xfs_rmapbt_dup_cursor( struct xfs_btree_cur *cur) @@ -479,3 +488,74 @@ xfs_rmapbt_compute_maxlevels( mp->m_rmap_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_rmap_mnr, mp->m_sb.sb_agblocks); } + +/* Calculate the refcount btree size for some records. */ +xfs_extlen_t +xfs_rmapbt_calc_size( + struct xfs_mount *mp, + unsigned long long len) +{ + return xfs_btree_calc_size(mp, mp->m_rmap_mnr, len); +} + +/* + * Calculate the maximum refcount btree size. + */ +xfs_extlen_t +xfs_rmapbt_max_size( + struct xfs_mount *mp) +{ + /* Bail out if we're uninitialized, which can happen in mkfs. */ + if (mp->m_rmap_mxr[0] == 0) + return 0; + + return xfs_rmapbt_calc_size(mp, mp->m_sb.sb_agblocks); +} + +/* Count the blocks in the reference count tree. */ +static int +xfs_rmapbt_count_blocks( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_extlen_t *tree_blocks) +{ + struct xfs_buf *agbp; + struct xfs_btree_cur *cur; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + return error; + cur = xfs_rmapbt_init_cursor(mp, NULL, agbp, agno); + error = xfs_btree_count_blocks(cur, tree_blocks); + xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, agbp); + + return error; +} + +/* + * Figure out how many blocks to reserve and how many are used by this btree. + */ +int +xfs_rmapbt_calc_reserves( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_extlen_t *ask, + xfs_extlen_t *used) +{ + xfs_extlen_t pool_len; + xfs_extlen_t tree_len = 0; + int error; + + if (!xfs_rmapbt_need_reserve(mp)) + return 0; + + /* Reserve 1% of the AG or enough for 1 block per record. */ + pool_len = max(mp->m_sb.sb_agblocks / 100, xfs_rmapbt_max_size(mp)); + *ask += pool_len; + error = xfs_rmapbt_count_blocks(mp, agno, &tree_len); + *used += tree_len; + + return error; +} diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index 5df406e..f398e8b 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -130,4 +130,11 @@ int xfs_rmap_finish_one(struct xfs_trans *tp, enum xfs_rmap_intent_type type, xfs_fsblock_t startblock, xfs_filblks_t blockcount, xfs_exntst_t state, struct xfs_btree_cur **pcur); +extern xfs_extlen_t xfs_rmapbt_calc_size(struct xfs_mount *mp, + unsigned long long len); +extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp); + +extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, + xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); + #endif /* __XFS_RMAP_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:41:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3203F8341 for ; Thu, 16 Jun 2016 20:41:40 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9D3F1AC002 for ; Thu, 16 Jun 2016 18:41:39 -0700 (PDT) X-ASG-Debug-ID: 1466127697-04cb6c5424582b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id AsnujC8aAaa1hBUT (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:37 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1fZMj009219 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:41:36 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1fZcU006465 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:35 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fWiX012690; Fri, 17 Jun 2016 01:41:34 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:32 -0700 Subject: [PATCH 102/145] xfs: try other AGs to allocate a BMBT block From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 102/145] xfs: try other AGs to allocate a BMBT block To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:31 -0700 Message-ID: <146612769129.16048.14294337729712501169.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127697 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4595 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Prior to the introduction of reflink, allocating a block and mapping it into a file was performed in a single transaction with a single block reservation, and the allocator was supposed to find enough blocks to allocate the extent and any BMBT blocks that might be necessary (unless we're low on space). However, due to the way copy on write works, allocation and mapping have been split into two transactions, which means that we must be able to handle the case where we allocate an extent for CoW but that AG runs out of free space before the blocks can be mapped into a file, and the mapping requires a new BMBT block. When this happens, look in one of the other AGs for a BMBT block instead of taking the FS down. The same applies to the functions that convert a data fork to extents and later btree format. Signed-off-by: Darrick J. Wong --- libxfs/xfs_bmap.c | 30 ++++++++++++++++++++++++++++++ libxfs/xfs_bmap_btree.c | 17 +++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index e81ade5..c48dd4a 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -745,6 +745,7 @@ xfs_bmap_extents_to_btree( args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = XFS_INO_TO_FSB(mp, ip->i_ino); } else if (dfops->dop_low) { +try_another_ag: args.type = XFS_ALLOCTYPE_START_BNO; args.fsbno = *firstblock; } else { @@ -759,6 +760,21 @@ xfs_bmap_extents_to_btree( xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); return error; } + + /* + * During a CoW operation, the allocation and bmbt updates occur in + * different transactions. The mapping code tries to put new bmbt + * blocks near extents being mapped, but the only way to guarantee this + * is if the alloc and the mapping happen in a single transaction that + * has a block reservation. That isn't the case here, so if we run out + * of space we'll try again with another AG. + */ + if (xfs_sb_version_hasreflink(&cur->bc_mp->m_sb) && + args.fsbno == NULLFSBLOCK && + args.type == XFS_ALLOCTYPE_NEAR_BNO) { + dfops->dop_low = true; + goto try_another_ag; + } /* * Allocation can't fail, the space was reserved. */ @@ -894,6 +910,7 @@ xfs_bmap_local_to_extents( * file currently fits in an inode. */ if (*firstblock == NULLFSBLOCK) { +try_another_ag: args.fsbno = XFS_INO_TO_FSB(args.mp, ip->i_ino); args.type = XFS_ALLOCTYPE_START_BNO; } else { @@ -906,6 +923,19 @@ xfs_bmap_local_to_extents( if (error) goto done; + /* + * During a CoW operation, the allocation and bmbt updates occur in + * different transactions. The mapping code tries to put new bmbt + * blocks near extents being mapped, but the only way to guarantee this + * is if the alloc and the mapping happen in a single transaction that + * has a block reservation. That isn't the case here, so if we run out + * of space we'll try again with another AG. + */ + if (xfs_sb_version_hasreflink(&ip->i_mount->m_sb) && + args.fsbno == NULLFSBLOCK && + args.type == XFS_ALLOCTYPE_NEAR_BNO) { + goto try_another_ag; + } /* Can't fail, the space was reserved. */ ASSERT(args.fsbno != NULLFSBLOCK); ASSERT(args.len == 1); diff --git a/libxfs/xfs_bmap_btree.c b/libxfs/xfs_bmap_btree.c index 2145ac0..ecfcd5a 100644 --- a/libxfs/xfs_bmap_btree.c +++ b/libxfs/xfs_bmap_btree.c @@ -449,6 +449,7 @@ xfs_bmbt_alloc_block( if (args.fsbno == NULLFSBLOCK) { args.fsbno = be64_to_cpu(start->l); +try_another_ag: args.type = XFS_ALLOCTYPE_START_BNO; /* * Make sure there is sufficient room left in the AG to @@ -478,6 +479,22 @@ xfs_bmbt_alloc_block( if (error) goto error0; + /* + * During a CoW operation, the allocation and bmbt updates occur in + * different transactions. The mapping code tries to put new bmbt + * blocks near extents being mapped, but the only way to guarantee this + * is if the alloc and the mapping happen in a single transaction that + * has a block reservation. That isn't the case here, so if we run out + * of space we'll try again with another AG. + */ + if (xfs_sb_version_hasreflink(&cur->bc_mp->m_sb) && + args.fsbno == NULLFSBLOCK && + args.type == XFS_ALLOCTYPE_NEAR_BNO) { + cur->bc_private.b.dfops->dop_low = true; + args.fsbno = cur->bc_private.b.firstblock; + goto try_another_ag; + } + if (args.fsbno == NULLFSBLOCK && args.minleft) { /* * Could not find an AG with enough free space to satisfy From darrick.wong@oracle.com Thu Jun 16 20:41:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 27540834D for ; Thu, 16 Jun 2016 20:41:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A0A1FAC005 for ; Thu, 16 Jun 2016 18:41:46 -0700 (PDT) X-ASG-Debug-ID: 1466127704-04cb6c542458300001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id dskvRzVpYoeXs6Bp (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:44 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ferN021896 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:40 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fdou013271 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:40 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fdGJ030130; Fri, 17 Jun 2016 01:41:39 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:38 -0700 Subject: [PATCH 103/145] xfs: provide switch to force filesystem to copy-on-write all the time From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 103/145] xfs: provide switch to force filesystem to copy-on-write all the time To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:37 -0700 Message-ID: <146612769744.16048.10282280464454097330.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127704 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1089 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Make it possible to force XFS to use copy on write all the time, at least if reflink is turned on. Signed-off-by: Darrick J. Wong --- libxfs/libxfs_priv.h | 2 ++ libxfs/xfs_refcount.c | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h index 41f6b96..527bd49 100644 --- a/libxfs/libxfs_priv.h +++ b/libxfs/libxfs_priv.h @@ -517,4 +517,6 @@ int libxfs_zero_extent(struct xfs_inode *ip, xfs_fsblock_t start_fsb, bool xfs_log_check_lsn(struct xfs_mount *, xfs_lsn_t); +#define xfs_always_cow (false) + #endif /* __LIBXFS_INTERNAL_XFS_H__ */ diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c index e03a9b7..855ab54 100644 --- a/libxfs/xfs_refcount.c +++ b/libxfs/xfs_refcount.c @@ -1189,6 +1189,12 @@ xfs_refcount_find_shared( trace_xfs_refcount_find_shared(mp, agno, agbno, aglen); + if (xfs_always_cow) { + *fbno = agbno; + *flen = aglen; + return 0; + } + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); if (error) goto out; From darrick.wong@oracle.com Thu Jun 16 20:41:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D54A7834B for ; Thu, 16 Jun 2016 20:41:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id A203930404E for ; Thu, 16 Jun 2016 18:41:52 -0700 (PDT) X-ASG-Debug-ID: 1466127710-04cbb01fed6a5f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id M8fj8OU9KfxHHBas (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:51 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1fkAE021943 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:46 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fjgg013392 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:45 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1fjMf002493; Fri, 17 Jun 2016 01:41:45 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:44 -0700 Subject: [PATCH 104/145] xfs: increase log reservations for reflink From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 104/145] xfs: increase log reservations for reflink To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:43 -0700 Message-ID: <146612770352.16048.10431104509314627818.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127711 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2621 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Increase the log reservations to handle the increased rolling that happens at the end of copy-on-write operations. Signed-off-by: Darrick J. Wong --- libxfs/xfs_trans_resv.c | 16 +++++++++++++--- libxfs/xfs_trans_resv.h | 2 ++ 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/libxfs/xfs_trans_resv.c b/libxfs/xfs_trans_resv.c index 5b6bbcd..5152a5b 100644 --- a/libxfs/xfs_trans_resv.c +++ b/libxfs/xfs_trans_resv.c @@ -811,11 +811,18 @@ xfs_trans_resv_calc( * require a permanent reservation on space. */ resp->tr_write.tr_logres = xfs_calc_write_reservation(mp); - resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT; + if (xfs_sb_version_hasreflink(&mp->m_sb)) + resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK; + else + resp->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT; resp->tr_write.tr_logflags |= XFS_TRANS_PERM_LOG_RES; resp->tr_itruncate.tr_logres = xfs_calc_itruncate_reservation(mp); - resp->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT; + if (xfs_sb_version_hasreflink(&mp->m_sb)) + resp->tr_itruncate.tr_logcount = + XFS_ITRUNCATE_LOG_COUNT_REFLINK; + else + resp->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT; resp->tr_itruncate.tr_logflags |= XFS_TRANS_PERM_LOG_RES; resp->tr_rename.tr_logres = xfs_calc_rename_reservation(mp); @@ -872,7 +879,10 @@ xfs_trans_resv_calc( resp->tr_growrtalloc.tr_logflags |= XFS_TRANS_PERM_LOG_RES; resp->tr_qm_dqalloc.tr_logres = xfs_calc_qm_dqalloc_reservation(mp); - resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT; + if (xfs_sb_version_hasreflink(&mp->m_sb)) + resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK; + else + resp->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT; resp->tr_qm_dqalloc.tr_logflags |= XFS_TRANS_PERM_LOG_RES; /* diff --git a/libxfs/xfs_trans_resv.h b/libxfs/xfs_trans_resv.h index 36a1511..b7e5357 100644 --- a/libxfs/xfs_trans_resv.h +++ b/libxfs/xfs_trans_resv.h @@ -87,6 +87,7 @@ struct xfs_trans_resv { #define XFS_DEFAULT_LOG_COUNT 1 #define XFS_DEFAULT_PERM_LOG_COUNT 2 #define XFS_ITRUNCATE_LOG_COUNT 2 +#define XFS_ITRUNCATE_LOG_COUNT_REFLINK 8 #define XFS_INACTIVE_LOG_COUNT 2 #define XFS_CREATE_LOG_COUNT 2 #define XFS_CREATE_TMPFILE_LOG_COUNT 2 @@ -96,6 +97,7 @@ struct xfs_trans_resv { #define XFS_LINK_LOG_COUNT 2 #define XFS_RENAME_LOG_COUNT 2 #define XFS_WRITE_LOG_COUNT 2 +#define XFS_WRITE_LOG_COUNT_REFLINK 8 #define XFS_ADDAFORK_LOG_COUNT 2 #define XFS_ATTRINVAL_LOG_COUNT 1 #define XFS_ATTRSET_LOG_COUNT 3 From darrick.wong@oracle.com Thu Jun 16 20:41:58 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3E4768356 for ; Thu, 16 Jun 2016 20:41:58 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id A535AAC002 for ; Thu, 16 Jun 2016 18:41:57 -0700 (PDT) X-ASG-Debug-ID: 1466127713-04cbb01fee6a600001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id zKGlc1FH4WqO3v8H (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:41:54 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1fqPI009513 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:52 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fpjl001011 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:52 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1fpTN002505; Fri, 17 Jun 2016 01:41:51 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:50 -0700 Subject: [PATCH 105/145] xfs: use interval query for rmap map and unmap operations on shared files From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 105/145] xfs: use interval query for rmap map and unmap operations on shared files To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:49 -0700 Message-ID: <146612770959.16048.6513699127969735731.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127713 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 19623 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When it's possible for reverse mappings to overlap (data fork extents of files on reflink filesystems), use the interval query function to find the left neighbor of an extent we're trying to add; and be careful to use the lookup functions to update the neighbors and/or add new extents. v2: xfs_rmap_find_left_neighbor() needs to calculate the high key of a query range correctly. We can also add a few shortcuts -- there are no left neighbors of a query at offset zero. Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 13 + libxfs/xfs_rmap.c | 483 +++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.h | 7 + 3 files changed, 500 insertions(+), 3 deletions(-) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index 7022164..ce973ba 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -210,7 +210,6 @@ #define trace_xfs_rmap_convert_state(...) ((void) 0) #define trace_xfs_rmap_convert_done(...) ((void) 0) #define trace_xfs_rmap_convert_error(...) ((void) 0) -#define trace_xfs_rmap_find_left_neighbor_result(...) ((void) 0) #define trace_xfs_ag_resv_critical(...) ((void) 0) #define trace_xfs_ag_resv_needed(...) ((void) 0) @@ -265,6 +264,18 @@ #define trace_xfs_refcount_cow_increase(...) ((void) 0) #define trace_xfs_refcount_cow_decrease(...) ((void) 0) +#define trace_xfs_rmap_find_left_neighbor_candidate(...) ((void) 0) +#define trace_xfs_rmap_find_left_neighbor_query(...) ((void) 0) +#define trace_xfs_rmap_find_left_neighbor_result(...) ((void) 0) +#define trace_xfs_rmap_lookup_le_range_candidate(...) ((void) 0) +#define trace_xfs_rmap_lookup_le_range(...) ((void) 0) +#define trace_xfs_rmap_unmap(...) ((void) 0) +#define trace_xfs_rmap_unmap_done(...) ((void) 0) +#define trace_xfs_rmap_unmap_error(...) ((void) 0) +#define trace_xfs_rmap_map(...) ((void) 0) +#define trace_xfs_rmap_map_done(...) ((void) 0) +#define trace_xfs_rmap_map_error(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 6e69208..c1cb218 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -209,6 +209,160 @@ xfs_rmap_get_rec( return xfs_rmapbt_btrec_to_irec(rec, irec); } +struct xfs_find_left_neighbor_info { + struct xfs_rmap_irec high; + struct xfs_rmap_irec *irec; + int *stat; +}; + +/* For each rmap given, figure out if it matches the key we want. */ +STATIC int +xfs_rmap_find_left_neighbor_helper( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + struct xfs_find_left_neighbor_info *info = priv; + + trace_xfs_rmap_find_left_neighbor_candidate(cur->bc_mp, + cur->bc_private.a.agno, rec->rm_startblock, + rec->rm_blockcount, rec->rm_owner, rec->rm_offset, + rec->rm_flags); + + if (rec->rm_owner != info->high.rm_owner) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + if (!XFS_RMAP_NON_INODE_OWNER(rec->rm_owner) && + !(rec->rm_flags & XFS_RMAP_BMBT_BLOCK) && + rec->rm_offset + rec->rm_blockcount - 1 != info->high.rm_offset) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + + *info->irec = *rec; + *info->stat = 1; + return XFS_BTREE_QUERY_RANGE_ABORT; +} + +/* + * Find the record to the left of the given extent, being careful only to + * return a match with the same owner and adjacent physical and logical + * block ranges. + */ +int +xfs_rmap_find_left_neighbor( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + uint64_t owner, + uint64_t offset, + unsigned int flags, + struct xfs_rmap_irec *irec, + int *stat) +{ + struct xfs_find_left_neighbor_info info; + int error; + + *stat = 0; + if (bno == 0) + return 0; + info.high.rm_startblock = bno - 1; + info.high.rm_owner = owner; + if (!XFS_RMAP_NON_INODE_OWNER(owner) && + !(flags & XFS_RMAP_BMBT_BLOCK)) { + if (offset == 0) + return 0; + info.high.rm_offset = offset - 1; + } else + info.high.rm_offset = 0; + info.high.rm_flags = flags; + info.high.rm_blockcount = 0; + info.irec = irec; + info.stat = stat; + + trace_xfs_rmap_find_left_neighbor_query(cur->bc_mp, + cur->bc_private.a.agno, bno, 0, owner, offset, flags); + + error = xfs_rmapbt_query_range(cur, &info.high, &info.high, + xfs_rmap_find_left_neighbor_helper, &info); + if (error == XFS_BTREE_QUERY_RANGE_ABORT) + error = 0; + if (*stat) + trace_xfs_rmap_find_left_neighbor_result(cur->bc_mp, + cur->bc_private.a.agno, irec->rm_startblock, + irec->rm_blockcount, irec->rm_owner, + irec->rm_offset, irec->rm_flags); + return error; +} + +/* For each rmap given, figure out if it matches the key we want. */ +STATIC int +xfs_rmap_lookup_le_range_helper( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + struct xfs_find_left_neighbor_info *info = priv; + + trace_xfs_rmap_lookup_le_range_candidate(cur->bc_mp, + cur->bc_private.a.agno, rec->rm_startblock, + rec->rm_blockcount, rec->rm_owner, rec->rm_offset, + rec->rm_flags); + + if (rec->rm_owner != info->high.rm_owner) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + if (!XFS_RMAP_NON_INODE_OWNER(rec->rm_owner) && + !(rec->rm_flags & XFS_RMAP_BMBT_BLOCK) && + (rec->rm_offset > info->high.rm_offset || + rec->rm_offset + rec->rm_blockcount <= info->high.rm_offset)) + return XFS_BTREE_QUERY_RANGE_CONTINUE; + + *info->irec = *rec; + *info->stat = 1; + return XFS_BTREE_QUERY_RANGE_ABORT; +} + +/* + * Find the record to the left of the given extent, being careful only to + * return a match with the same owner and overlapping physical and logical + * block ranges. This is the overlapping-interval version of + * xfs_rmap_lookup_le. + */ +int +xfs_rmap_lookup_le_range( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + uint64_t owner, + uint64_t offset, + unsigned int flags, + struct xfs_rmap_irec *irec, + int *stat) +{ + struct xfs_find_left_neighbor_info info; + int error; + + info.high.rm_startblock = bno; + info.high.rm_owner = owner; + if (!XFS_RMAP_NON_INODE_OWNER(owner) && !(flags & XFS_RMAP_BMBT_BLOCK)) + info.high.rm_offset = offset; + else + info.high.rm_offset = 0; + info.high.rm_flags = flags; + info.high.rm_blockcount = 0; + *stat = 0; + info.irec = irec; + info.stat = stat; + + trace_xfs_rmap_lookup_le_range(cur->bc_mp, + cur->bc_private.a.agno, bno, 0, owner, offset, flags); + error = xfs_rmapbt_query_range(cur, &info.high, &info.high, + xfs_rmap_lookup_le_range_helper, &info); + if (error == XFS_BTREE_QUERY_RANGE_ABORT) + error = 0; + if (*stat) + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, + cur->bc_private.a.agno, irec->rm_startblock, + irec->rm_blockcount, irec->rm_owner, + irec->rm_offset, irec->rm_flags); + return error; +} + /* * Find the extent in the rmap btree and remove it. * @@ -1157,6 +1311,168 @@ xfs_rmap_unmap( } /* + * Find an extent in the rmap btree and unmap it. For rmap extent types that + * can overlap (data fork rmaps on reflink filesystems) we must be careful + * that the prev/next records in the btree might belong to another owner. + * Therefore we must use delete+insert to alter any of the key fields. + * + * For every other situation there can only be one owner for a given extent, + * so we can call the regular _free function. + */ +STATIC int +xfs_rmap_unmap_shared( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec ltrec; + uint64_t ltoff; + int error = 0; + int i; + uint64_t owner; + uint64_t offset; + unsigned int flags; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + if (unwritten) + flags |= XFS_RMAP_UNWRITTEN; + trace_xfs_rmap_unmap(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * We should always have a left record because there's a static record + * for the AG headers at rm_startblock == 0 created by mkfs/growfs that + * will not ever be removed from the tree. + */ + error = xfs_rmap_lookup_le_range(cur, bno, owner, offset, flags, + <rec, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + ltoff = ltrec.rm_offset; + + /* Make sure the extent we found covers the entire freeing range. */ + XFS_WANT_CORRUPTED_GOTO(mp, ltrec.rm_startblock <= bno && + ltrec.rm_startblock + ltrec.rm_blockcount >= + bno + len, out_error); + + /* Make sure the owner matches what we expect to find in the tree. */ + XFS_WANT_CORRUPTED_GOTO(mp, owner == ltrec.rm_owner, out_error); + + /* Make sure the unwritten flag matches. */ + XFS_WANT_CORRUPTED_GOTO(mp, (flags & XFS_RMAP_UNWRITTEN) == + (ltrec.rm_flags & XFS_RMAP_UNWRITTEN), out_error); + + /* Check the offset. */ + XFS_WANT_CORRUPTED_GOTO(mp, ltrec.rm_offset <= offset, out_error); + XFS_WANT_CORRUPTED_GOTO(mp, offset <= ltoff + ltrec.rm_blockcount, + out_error); + + if (ltrec.rm_startblock == bno && ltrec.rm_blockcount == len) { + /* Exact match, simply remove the record from rmap tree. */ + error = xfs_rmapbt_delete(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + if (error) + goto out_error; + } else if (ltrec.rm_startblock == bno) { + /* + * Overlap left hand side of extent: move the start, trim the + * length and update the current record. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrrrrrrr| + * bno len + */ + + /* Delete prev rmap. */ + error = xfs_rmapbt_delete(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + if (error) + goto out_error; + + /* Add an rmap at the new offset. */ + ltrec.rm_startblock += len; + ltrec.rm_blockcount -= len; + ltrec.rm_offset += len; + error = xfs_rmapbt_insert(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags); + if (error) + goto out_error; + } else if (ltrec.rm_startblock + ltrec.rm_blockcount == bno + len) { + /* + * Overlap right hand side of extent: trim the length and + * update the current record. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrrrrrrr| + * bno len + */ + error = xfs_rmap_lookup_eq(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + ltrec.rm_blockcount -= len; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else { + /* + * Overlap middle of extent: trim the length of the existing + * record to the length of the new left-extent size, increment + * the insertion position so we can insert a new record + * containing the remaining right-extent space. + * + * ltbno ltlen + * Orig: |oooooooooooooooooooo| + * Freeing: |fffffffff| + * Result: |rrrrr| |rrrr| + * bno len + */ + xfs_extlen_t orig_len = ltrec.rm_blockcount; + + /* Shrink the left side of the rmap */ + error = xfs_rmap_lookup_eq(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + ltrec.rm_blockcount = bno - ltrec.rm_startblock; + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + + /* Add an rmap at the new offset */ + error = xfs_rmapbt_insert(cur, bno + len, + orig_len - len - ltrec.rm_blockcount, + ltrec.rm_owner, offset + len, + ltrec.rm_flags); + if (error) + goto out_error; + } + + trace_xfs_rmap_unmap_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +out_error: + if (error) + trace_xfs_rmap_unmap_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + +/* * Find an extent in the rmap btree and map it. */ STATIC int @@ -1170,6 +1486,159 @@ xfs_rmap_map( return __xfs_rmap_alloc(cur, bno, len, unwritten, oinfo); } +/* + * Find an extent in the rmap btree and map it. For rmap extent types that + * can overlap (data fork rmaps on reflink filesystems) we must be careful + * that the prev/next records in the btree might belong to another owner. + * Therefore we must use delete+insert to alter any of the key fields. + * + * For every other situation there can only be one owner for a given extent, + * so we can call the regular _alloc function. + */ +STATIC int +xfs_rmap_map_shared( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec ltrec; + struct xfs_rmap_irec gtrec; + int have_gt; + int have_lt; + int error = 0; + int i; + uint64_t owner; + uint64_t offset; + unsigned int flags = 0; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + if (unwritten) + flags |= XFS_RMAP_UNWRITTEN; + trace_xfs_rmap_map(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* Is there a left record that abuts our range? */ + error = xfs_rmap_find_left_neighbor(cur, bno, owner, offset, flags, + <rec, &have_lt); + if (error) + goto out_error; + if (have_lt && + !xfs_rmap_is_mergeable(<rec, owner, offset, len, flags)) + have_lt = 0; + + /* Is there a right record that abuts our range? */ + error = xfs_rmap_lookup_eq(cur, bno + len, len, owner, offset + len, + flags, &have_gt); + if (error) + goto out_error; + if (have_gt) { + error = xfs_rmap_get_rec(cur, >rec, &have_gt); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, have_gt == 1, out_error); + trace_xfs_rmap_map_gtrec(cur->bc_mp, + cur->bc_private.a.agno, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + + if (!xfs_rmap_is_mergeable(>rec, owner, offset, len, flags)) + have_gt = 0; + } + + if (have_lt && + ltrec.rm_startblock + ltrec.rm_blockcount == bno && + ltrec.rm_offset + ltrec.rm_blockcount == offset) { + /* + * Left edge contiguous, merge into left record. + * + * ltbno ltlen + * orig: |ooooooooo| + * adding: |aaaaaaaaa| + * result: |rrrrrrrrrrrrrrrrrrr| + * bno len + */ + ltrec.rm_blockcount += len; + if (have_gt && + bno + len == gtrec.rm_startblock && + offset + len == gtrec.rm_offset) { + /* + * Right edge also contiguous, delete right record + * and merge into left record. + * + * ltbno ltlen gtbno gtlen + * orig: |ooooooooo| |ooooooooo| + * adding: |aaaaaaaaa| + * result: |rrrrrrrrrrrrrrrrrrrrrrrrrrrrr| + */ + ltrec.rm_blockcount += gtrec.rm_blockcount; + error = xfs_rmapbt_delete(cur, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + if (error) + goto out_error; + } + + /* Point the cursor back to the left record and update. */ + error = xfs_rmap_lookup_eq(cur, ltrec.rm_startblock, + ltrec.rm_blockcount, ltrec.rm_owner, + ltrec.rm_offset, ltrec.rm_flags, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + error = xfs_rmap_update(cur, <rec); + if (error) + goto out_error; + } else if (have_gt && + bno + len == gtrec.rm_startblock && + offset + len == gtrec.rm_offset) { + /* + * Right edge contiguous, merge into right record. + * + * gtbno gtlen + * Orig: |ooooooooo| + * adding: |aaaaaaaaa| + * Result: |rrrrrrrrrrrrrrrrrrr| + * bno len + */ + /* Delete the old record. */ + error = xfs_rmapbt_delete(cur, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + if (error) + goto out_error; + + /* Move the start and re-add it. */ + gtrec.rm_startblock = bno; + gtrec.rm_blockcount += len; + gtrec.rm_offset = offset; + error = xfs_rmapbt_insert(cur, gtrec.rm_startblock, + gtrec.rm_blockcount, gtrec.rm_owner, + gtrec.rm_offset, gtrec.rm_flags); + if (error) + goto out_error; + } else { + /* + * No contiguous edge with identical owner, insert + * new record at current cursor position. + */ + error = xfs_rmapbt_insert(cur, bno, len, owner, offset, flags); + if (error) + goto out_error; + } + + trace_xfs_rmap_map_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +out_error: + if (error) + trace_xfs_rmap_map_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + struct xfs_rmapbt_query_range_info { xfs_rmapbt_query_range_fn fn; void *priv; @@ -1302,10 +1771,18 @@ xfs_rmap_finish_one( case XFS_RMAP_MAP: error = xfs_rmap_map(rcur, bno, blockcount, unwritten, &oinfo); break; + case XFS_RMAP_MAP_SHARED: + error = xfs_rmap_map_shared(rcur, bno, blockcount, unwritten, + &oinfo); + break; case XFS_RMAP_UNMAP: error = xfs_rmap_unmap(rcur, bno, blockcount, unwritten, &oinfo); break; + case XFS_RMAP_UNMAP_SHARED: + error = xfs_rmap_unmap_shared(rcur, bno, blockcount, unwritten, + &oinfo); + break; case XFS_RMAP_CONVERT: error = xfs_rmap_convert(rcur, bno, blockcount, !unwritten, &oinfo); @@ -1373,7 +1850,8 @@ xfs_rmap_map_extent( { struct xfs_rmap_intent ri; - ri.ri_type = XFS_RMAP_MAP; + ri.ri_type = xfs_is_reflink_inode(ip) ? XFS_RMAP_MAP_SHARED : + XFS_RMAP_MAP; ri.ri_owner = ip->i_ino; ri.ri_whichfork = whichfork; ri.ri_bmap = *PREV; @@ -1392,7 +1870,8 @@ xfs_rmap_unmap_extent( { struct xfs_rmap_intent ri; - ri.ri_type = XFS_RMAP_UNMAP; + ri.ri_type = xfs_is_reflink_inode(ip) ? XFS_RMAP_UNMAP_SHARED : + XFS_RMAP_UNMAP; ri.ri_owner = ip->i_ino; ri.ri_whichfork = whichfork; ri.ri_bmap = *PREV; diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index f398e8b..5baa81f 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -70,6 +70,13 @@ int xfs_rmapbt_insert(struct xfs_btree_cur *rcur, xfs_agblock_t agbno, int xfs_rmap_get_rec(struct xfs_btree_cur *cur, struct xfs_rmap_irec *irec, int *stat); +int xfs_rmap_find_left_neighbor(struct xfs_btree_cur *cur, xfs_agblock_t bno, + uint64_t owner, uint64_t offset, unsigned int flags, + struct xfs_rmap_irec *irec, int *stat); +int xfs_rmap_lookup_le_range(struct xfs_btree_cur *cur, xfs_agblock_t bno, + uint64_t owner, uint64_t offset, unsigned int flags, + struct xfs_rmap_irec *irec, int *stat); + /* functions for updating the rmapbt for bmbt blocks and AG btree blocks */ int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, From darrick.wong@oracle.com Thu Jun 16 20:42:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7B680835A for ; Thu, 16 Jun 2016 20:42:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 361298F8052 for ; Thu, 16 Jun 2016 18:42:07 -0700 (PDT) X-ASG-Debug-ID: 1466127724-04bdf01e1396540001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 9U2Iq4bKvrkvTkJA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:04 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1fxvJ022062 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:59 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fwj2001109 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:41:58 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1fvGA030178; Fri, 17 Jun 2016 01:41:57 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:41:57 -0700 Subject: [PATCH 106/145] xfs: convert unwritten status of shared-extent reverse mappings on shared files From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 106/145] xfs: convert unwritten status of shared-extent reverse mappings on shared files To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:41:55 -0700 Message-ID: <146612771588.16048.3966278488905711053.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127724 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13064 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Upgrade the rmap extent conversion function to handle shared extents. v2: Move unwritten bit to rm_offset. Signed-off-by: Darrick J. Wong --- libxfs/xfs_rmap.c | 385 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 384 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index c1cb218..23bffdc 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -1291,6 +1291,384 @@ xfs_rmap_convert( return __xfs_rmap_convert(cur, bno, len, unwritten, oinfo); } +/* + * Convert an unwritten extent to a real extent or vice versa. If there is no + * possibility of overlapping extents, delegate to the simpler convert + * function. + */ +STATIC int +xfs_rmap_convert_shared( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool unwritten, + struct xfs_owner_info *oinfo) +{ + struct xfs_mount *mp = cur->bc_mp; + struct xfs_rmap_irec r[4]; /* neighbor extent entries */ + /* left is 0, right is 1, prev is 2 */ + /* new is 3 */ + uint64_t owner; + uint64_t offset; + uint64_t new_endoff; + unsigned int oldext; + unsigned int newext; + unsigned int flags = 0; + int i; + int state = 0; + int error; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + ASSERT(!(XFS_RMAP_NON_INODE_OWNER(owner) || + (flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK)))); + oldext = unwritten ? XFS_RMAP_UNWRITTEN : 0; + new_endoff = offset + len; + trace_xfs_rmap_convert(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); + + /* + * For the initial lookup, look for and exact match or the left-adjacent + * record for our insertion point. This will also give us the record for + * start block contiguity tests. + */ + error = xfs_rmap_lookup_le_range(cur, bno, owner, offset, flags, + &PREV, &i); + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + + ASSERT(PREV.rm_offset <= offset); + ASSERT(PREV.rm_offset + PREV.rm_blockcount >= new_endoff); + ASSERT((PREV.rm_flags & XFS_RMAP_UNWRITTEN) == oldext); + newext = ~oldext & XFS_RMAP_UNWRITTEN; + + /* + * Set flags determining what part of the previous oldext allocation + * extent is being replaced by a newext allocation. + */ + if (PREV.rm_offset == offset) + state |= RMAP_LEFT_FILLING; + if (PREV.rm_offset + PREV.rm_blockcount == new_endoff) + state |= RMAP_RIGHT_FILLING; + + /* Is there a left record that abuts our range? */ + error = xfs_rmap_find_left_neighbor(cur, bno, owner, offset, newext, + &LEFT, &i); + if (error) + goto done; + if (i) { + state |= RMAP_LEFT_VALID; + XFS_WANT_CORRUPTED_GOTO(mp, + LEFT.rm_startblock + LEFT.rm_blockcount <= bno, + done); + if (xfs_rmap_is_mergeable(&LEFT, owner, offset, len, newext)) + state |= RMAP_LEFT_CONTIG; + } + + /* Is there a right record that abuts our range? */ + error = xfs_rmap_lookup_eq(cur, bno + len, len, owner, offset + len, + newext, &i); + if (error) + goto done; + if (i) { + state |= RMAP_RIGHT_VALID; + error = xfs_rmap_get_rec(cur, &RIGHT, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + XFS_WANT_CORRUPTED_GOTO(mp, bno + len <= RIGHT.rm_startblock, + done); + trace_xfs_rmap_convert_gtrec(cur->bc_mp, + cur->bc_private.a.agno, RIGHT.rm_startblock, + RIGHT.rm_blockcount, RIGHT.rm_owner, + RIGHT.rm_offset, RIGHT.rm_flags); + if (xfs_rmap_is_mergeable(&RIGHT, owner, offset, len, newext)) + state |= RMAP_RIGHT_CONTIG; + } + + /* check that left + prev + right is not too long */ + if ((state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) == + (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG) && + (unsigned long)LEFT.rm_blockcount + len + + RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX) + state &= ~RMAP_RIGHT_CONTIG; + + trace_xfs_rmap_convert_state(mp, cur->bc_private.a.agno, state, + _RET_IP_); + /* + * Switch out based on the FILLING and CONTIG state bits. + */ + switch (state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) { + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The left and right neighbors are both contiguous with new. + */ + error = xfs_rmapbt_delete(cur, RIGHT.rm_startblock, + RIGHT.rm_blockcount, RIGHT.rm_owner, + RIGHT.rm_offset, RIGHT.rm_flags); + if (error) + goto done; + error = xfs_rmapbt_delete(cur, PREV.rm_startblock, + PREV.rm_blockcount, PREV.rm_owner, + PREV.rm_offset, PREV.rm_flags); + if (error) + goto done; + NEW = LEFT; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount += PREV.rm_blockcount + RIGHT.rm_blockcount; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The left neighbor is contiguous, the right is not. + */ + error = xfs_rmapbt_delete(cur, PREV.rm_startblock, + PREV.rm_blockcount, PREV.rm_owner, + PREV.rm_offset, PREV.rm_flags); + if (error) + goto done; + NEW = LEFT; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount += PREV.rm_blockcount; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting all of a previous oldext extent to newext. + * The right neighbor is contiguous, the left is not. + */ + error = xfs_rmapbt_delete(cur, RIGHT.rm_startblock, + RIGHT.rm_blockcount, RIGHT.rm_owner, + RIGHT.rm_offset, RIGHT.rm_flags); + if (error) + goto done; + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount += RIGHT.rm_blockcount; + NEW.rm_flags = RIGHT.rm_flags; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING: + /* + * Setting all of a previous oldext extent to newext. + * Neither the left nor right neighbors are contiguous with + * the new one. + */ + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_flags = newext; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG: + /* + * Setting the first part of a previous oldext extent to newext. + * The left neighbor is contiguous. + */ + NEW = PREV; + error = xfs_rmapbt_delete(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + NEW.rm_offset += len; + NEW.rm_startblock += len; + NEW.rm_blockcount -= len; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + NEW = LEFT; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount += len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING: + /* + * Setting the first part of a previous oldext extent to newext. + * The left neighbor is not contiguous. + */ + NEW = PREV; + error = xfs_rmapbt_delete(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + NEW.rm_offset += len; + NEW.rm_startblock += len; + NEW.rm_blockcount -= len; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + error = xfs_rmapbt_insert(cur, bno, len, owner, offset, newext); + if (error) + goto done; + break; + + case RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: + /* + * Setting the last part of a previous oldext extent to newext. + * The right neighbor is contiguous with the new allocation. + */ + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount = offset - NEW.rm_offset; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + NEW = RIGHT; + error = xfs_rmapbt_delete(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + NEW.rm_offset = offset; + NEW.rm_startblock = bno; + NEW.rm_blockcount += len; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags); + if (error) + goto done; + break; + + case RMAP_RIGHT_FILLING: + /* + * Setting the last part of a previous oldext extent to newext. + * The right neighbor is not contiguous. + */ + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount -= len; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + error = xfs_rmapbt_insert(cur, bno, len, owner, offset, newext); + if (error) + goto done; + break; + + case 0: + /* + * Setting the middle part of a previous oldext extent to + * newext. Contiguity is impossible here. + * One extent becomes three extents. + */ + /* new right extent - oldext */ + NEW.rm_startblock = bno + len; + NEW.rm_owner = owner; + NEW.rm_offset = new_endoff; + NEW.rm_blockcount = PREV.rm_offset + PREV.rm_blockcount - + new_endoff; + NEW.rm_flags = PREV.rm_flags; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, NEW.rm_offset, + NEW.rm_flags); + if (error) + goto done; + /* new left extent - oldext */ + NEW = PREV; + error = xfs_rmap_lookup_eq(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, + NEW.rm_offset, NEW.rm_flags, &i); + if (error) + goto done; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); + NEW.rm_blockcount = offset - NEW.rm_offset; + error = xfs_rmap_update(cur, &NEW); + if (error) + goto done; + /* new middle extent - newext */ + NEW.rm_startblock = bno; + NEW.rm_blockcount = len; + NEW.rm_owner = owner; + NEW.rm_offset = offset; + NEW.rm_flags = newext; + error = xfs_rmapbt_insert(cur, NEW.rm_startblock, + NEW.rm_blockcount, NEW.rm_owner, NEW.rm_offset, + NEW.rm_flags); + if (error) + goto done; + break; + + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_LEFT_FILLING | RMAP_RIGHT_CONTIG: + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: + case RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: + case RMAP_LEFT_CONTIG: + case RMAP_RIGHT_CONTIG: + /* + * These cases are all impossible. + */ + ASSERT(0); + } + + trace_xfs_rmap_convert_done(mp, cur->bc_private.a.agno, bno, len, + unwritten, oinfo); +done: + if (error) + trace_xfs_rmap_convert_error(cur->bc_mp, + cur->bc_private.a.agno, error, _RET_IP_); + return error; +} + #undef NEW #undef LEFT #undef RIGHT @@ -1787,6 +2165,10 @@ xfs_rmap_finish_one( error = xfs_rmap_convert(rcur, bno, blockcount, !unwritten, &oinfo); break; + case XFS_RMAP_CONVERT_SHARED: + error = xfs_rmap_convert_shared(rcur, bno, blockcount, + !unwritten, &oinfo); + break; case XFS_RMAP_ALLOC: error = __xfs_rmap_alloc(rcur, bno, blockcount, unwritten, &oinfo); @@ -1890,7 +2272,8 @@ xfs_rmap_convert_extent( { struct xfs_rmap_intent ri; - ri.ri_type = XFS_RMAP_CONVERT; + ri.ri_type = xfs_is_reflink_inode(ip) ? XFS_RMAP_CONVERT_SHARED : + XFS_RMAP_CONVERT; ri.ri_owner = ip->i_ino; ri.ri_whichfork = whichfork; ri.ri_bmap = *PREV; From darrick.wong@oracle.com Thu Jun 16 20:42:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C56B58363 for ; Thu, 16 Jun 2016 20:42:10 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 973DA304039 for ; Thu, 16 Jun 2016 18:42:10 -0700 (PDT) X-ASG-Debug-ID: 1466127729-04cb6c5426583b0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id wKk5TcF75enQTZK6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:09 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1g4RO022407 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:42:05 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1g40s007318 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:04 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1g382025064; Fri, 17 Jun 2016 01:42:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:03 -0700 Subject: [PATCH 107/145] xfs: don't allow realtime and reflinked files to mix From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 107/145] xfs: don't allow realtime and reflinked files to mix To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:02 -0700 Message-ID: <146612772210.16048.9804805935166635640.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127729 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 948 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines We don't support sharing blocks on the realtime device. Signed-off-by: Darrick J. Wong --- libxfs/xfs_inode_buf.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libxfs/xfs_inode_buf.c b/libxfs/xfs_inode_buf.c index 8a804e2..3e46bc5 100644 --- a/libxfs/xfs_inode_buf.c +++ b/libxfs/xfs_inode_buf.c @@ -384,6 +384,9 @@ xfs_dinode_verify( xfs_ino_t ino, struct xfs_dinode *dip) { + uint16_t flags; + uint64_t flags2; + if (dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC)) return false; @@ -400,6 +403,13 @@ xfs_dinode_verify( return false; if (!uuid_equal(&dip->di_uuid, &mp->m_sb.sb_meta_uuid)) return false; + + /* don't let reflink and realtime mix */ + flags = be16_to_cpu(dip->di_flags); + flags2 = be64_to_cpu(dip->di_flags2); + if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME)) + return false; + return true; } From darrick.wong@oracle.com Thu Jun 16 20:42:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8C397836A for ; Thu, 16 Jun 2016 20:42:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3E6B88F8054 for ; Thu, 16 Jun 2016 18:42:13 -0700 (PDT) X-ASG-Debug-ID: 1466127731-04bdf01e1096570001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Z9rqjxkAtPVy1Tiu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:11 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1gAjm009971 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:10 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gALX001752 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:10 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1g9om002669; Fri, 17 Jun 2016 01:42:10 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:09 -0700 Subject: [PATCH 108/145] xfs: don't mix reflink and DAX mode for now From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 108/145] xfs: don't mix reflink and DAX mode for now To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:08 -0700 Message-ID: <146612772816.16048.8102485898993534089.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127731 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 710 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Since we don't have a strategy for handling both DAX and reflink, for now we'll just prohibit both being set at the same time. Signed-off-by: Darrick J. Wong --- libxfs/xfs_inode_buf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libxfs/xfs_inode_buf.c b/libxfs/xfs_inode_buf.c index 3e46bc5..cf48c8c 100644 --- a/libxfs/xfs_inode_buf.c +++ b/libxfs/xfs_inode_buf.c @@ -410,6 +410,10 @@ xfs_dinode_verify( if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME)) return false; + /* don't let reflink and dax mix */ + if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags2 & XFS_DIFLAG2_DAX)) + return false; + return true; } From darrick.wong@oracle.com Thu Jun 16 20:42:19 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id BB3FF833B for ; Thu, 16 Jun 2016 20:42:19 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8B0E28F804C for ; Thu, 16 Jun 2016 18:42:19 -0700 (PDT) X-ASG-Debug-ID: 1466127737-04cb6c5426583d0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id XJRxj9BlBI48bGOV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:18 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1gGPw010039 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:17 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gGvR014174 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:16 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gFxe025093; Fri, 17 Jun 2016 01:42:16 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:15 -0700 Subject: [PATCH 109/145] xfs: recognize the reflink feature bit From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 109/145] xfs: recognize the reflink feature bit To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:14 -0700 Message-ID: <146612773421.16048.9778759502152238980.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127738 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 843 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add the reflink feature flag to the set of recognized feature flags. This enables users to write to reflink filesystems. Signed-off-by: Darrick J. Wong --- libxfs/xfs_format.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index de29220..bfbf6e8 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -459,7 +459,8 @@ xfs_sb_has_compat_feature( #define XFS_SB_FEAT_RO_COMPAT_REFLINK (1 << 2) /* reflinked files */ #define XFS_SB_FEAT_RO_COMPAT_ALL \ (XFS_SB_FEAT_RO_COMPAT_FINOBT | \ - XFS_SB_FEAT_RO_COMPAT_RMAPBT) + XFS_SB_FEAT_RO_COMPAT_RMAPBT | \ + XFS_SB_FEAT_RO_COMPAT_REFLINK) #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL static inline bool xfs_sb_has_ro_compat_feature( From darrick.wong@oracle.com Thu Jun 16 20:42:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 50D7D8341 for ; Thu, 16 Jun 2016 20:42:31 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 224738F804C for ; Thu, 16 Jun 2016 18:42:31 -0700 (PDT) X-ASG-Debug-ID: 1466127748-04cbb01fec6a670001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 4r4Xn7VKgK4sKuVD (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:28 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1gNop022626 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:23 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gMUh001999 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:23 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gM4a030357; Fri, 17 Jun 2016 01:42:22 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:21 -0700 Subject: [PATCH 110/145] xfs_db: dump refcount btree data From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 110/145] xfs_db: dump refcount btree data To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:20 -0700 Message-ID: <146612774028.16048.6356654455150232768.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127748 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11203 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add the ability to walk and dump the refcount btree in xfs_db. Signed-off-by: Darrick J. Wong --- db/agf.c | 10 ++++++++-- db/btblock.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ db/btblock.h | 5 +++++ db/field.c | 9 +++++++++ db/field.h | 4 ++++ db/inode.c | 3 +++ db/sb.c | 2 ++ db/type.c | 5 +++++ db/type.h | 2 +- man/man8/xfs_db.8 | 47 +++++++++++++++++++++++++++++++++++++++++++++-- 10 files changed, 132 insertions(+), 5 deletions(-) diff --git a/db/agf.c b/db/agf.c index f4c4269..86d8929 100644 --- a/db/agf.c +++ b/db/agf.c @@ -47,7 +47,7 @@ const field_t agf_flds[] = { { "versionnum", FLDT_UINT32D, OI(OFF(versionnum)), C1, 0, TYP_NONE }, { "seqno", FLDT_AGNUMBER, OI(OFF(seqno)), C1, 0, TYP_NONE }, { "length", FLDT_AGBLOCK, OI(OFF(length)), C1, 0, TYP_NONE }, - { "roots", FLDT_AGBLOCK, OI(OFF(roots)), CI(XFS_BTNUM_AGF), + { "roots", FLDT_AGBLOCK, OI(OFF(roots)), CI(XFS_BTNUM_AGF) + 1, FLD_ARRAY|FLD_SKIPALL, TYP_NONE }, { "bnoroot", FLDT_AGBLOCK, OI(OFF(roots) + XFS_BTNUM_BNO * SZ(roots[XFS_BTNUM_BNO])), C1, 0, @@ -58,7 +58,10 @@ const field_t agf_flds[] = { { "rmaproot", FLDT_AGBLOCKNZ, OI(OFF(roots) + XFS_BTNUM_RMAP * SZ(roots[XFS_BTNUM_RMAP])), C1, 0, TYP_RMAPBT }, - { "levels", FLDT_UINT32D, OI(OFF(levels)), CI(XFS_BTNUM_AGF), + { "refcntroot", FLDT_AGBLOCKNZ, + OI(OFF(refcount_root)), C1, 0, + TYP_REFCBT }, + { "levels", FLDT_UINT32D, OI(OFF(levels)), CI(XFS_BTNUM_AGF) + 1, FLD_ARRAY|FLD_SKIPALL, TYP_NONE }, { "bnolevel", FLDT_UINT32D, OI(OFF(levels) + XFS_BTNUM_BNO * SZ(levels[XFS_BTNUM_BNO])), C1, 0, @@ -69,6 +72,9 @@ const field_t agf_flds[] = { { "rmaplevel", FLDT_UINT32D, OI(OFF(levels) + XFS_BTNUM_RMAP * SZ(levels[XFS_BTNUM_RMAP])), C1, 0, TYP_NONE }, + { "refcntlevel", FLDT_UINT32D, + OI(OFF(refcount_level)), C1, 0, + TYP_NONE }, { "flfirst", FLDT_UINT32D, OI(OFF(flfirst)), C1, 0, TYP_NONE }, { "fllast", FLDT_UINT32D, OI(OFF(fllast)), C1, 0, TYP_NONE }, { "flcount", FLDT_UINT32D, OI(OFF(flcount)), C1, 0, TYP_NONE }, diff --git a/db/btblock.c b/db/btblock.c index ce59d18..e0c896b 100644 --- a/db/btblock.c +++ b/db/btblock.c @@ -102,6 +102,12 @@ struct xfs_db_btree { sizeof(struct xfs_rmap_rec), sizeof(__be32), }, + { XFS_REFC_CRC_MAGIC, + XFS_BTREE_SBLOCK_CRC_LEN, + sizeof(struct xfs_refcount_key), + sizeof(struct xfs_refcount_rec), + sizeof(__be32), + }, { 0, }, }; @@ -707,3 +713,47 @@ const field_t rmapbt_rec_flds[] = { { NULL } }; #undef ROFF + +/* refcount btree blocks */ +const field_t refcbt_crc_hfld[] = { + { "", FLDT_REFCBT_CRC, OI(0), C1, 0, TYP_NONE }, + { NULL } +}; + +#define OFF(f) bitize(offsetof(struct xfs_btree_block, bb_ ## f)) +const field_t refcbt_crc_flds[] = { + { "magic", FLDT_UINT32X, OI(OFF(magic)), C1, 0, TYP_NONE }, + { "level", FLDT_UINT16D, OI(OFF(level)), C1, 0, TYP_NONE }, + { "numrecs", FLDT_UINT16D, OI(OFF(numrecs)), C1, 0, TYP_NONE }, + { "leftsib", FLDT_AGBLOCK, OI(OFF(u.s.bb_leftsib)), C1, 0, TYP_REFCBT }, + { "rightsib", FLDT_AGBLOCK, OI(OFF(u.s.bb_rightsib)), C1, 0, TYP_REFCBT }, + { "bno", FLDT_DFSBNO, OI(OFF(u.s.bb_blkno)), C1, 0, TYP_REFCBT }, + { "lsn", FLDT_UINT64X, OI(OFF(u.s.bb_lsn)), C1, 0, TYP_NONE }, + { "uuid", FLDT_UUID, OI(OFF(u.s.bb_uuid)), C1, 0, TYP_NONE }, + { "owner", FLDT_AGNUMBER, OI(OFF(u.s.bb_owner)), C1, 0, TYP_NONE }, + { "crc", FLDT_CRC, OI(OFF(u.s.bb_crc)), C1, 0, TYP_NONE }, + { "recs", FLDT_REFCBTREC, btblock_rec_offset, btblock_rec_count, + FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE }, + { "keys", FLDT_REFCBTKEY, btblock_key_offset, btblock_key_count, + FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_NONE }, + { "ptrs", FLDT_REFCBTPTR, btblock_ptr_offset, btblock_key_count, + FLD_ARRAY|FLD_ABASE1|FLD_COUNT|FLD_OFFSET, TYP_REFCBT }, + { NULL } +}; +#undef OFF + +#define KOFF(f) bitize(offsetof(struct xfs_refcount_key, rc_ ## f)) +const field_t refcbt_key_flds[] = { + { "startblock", FLDT_AGBLOCK, OI(KOFF(startblock)), C1, 0, TYP_DATA }, + { NULL } +}; +#undef KOFF + +#define ROFF(f) bitize(offsetof(struct xfs_refcount_rec, rc_ ## f)) +const field_t refcbt_rec_flds[] = { + { "startblock", FLDT_AGBLOCK, OI(ROFF(startblock)), C1, 0, TYP_DATA }, + { "blockcount", FLDT_EXTLEN, OI(ROFF(blockcount)), C1, 0, TYP_NONE }, + { "refcount", FLDT_UINT32D, OI(ROFF(refcount)), C1, 0, TYP_DATA }, + { NULL } +}; +#undef ROFF diff --git a/db/btblock.h b/db/btblock.h index 35299b4..fead2f1 100644 --- a/db/btblock.h +++ b/db/btblock.h @@ -59,4 +59,9 @@ extern const struct field rmapbt_crc_hfld[]; extern const struct field rmapbt_key_flds[]; extern const struct field rmapbt_rec_flds[]; +extern const struct field refcbt_crc_flds[]; +extern const struct field refcbt_crc_hfld[]; +extern const struct field refcbt_key_flds[]; +extern const struct field refcbt_rec_flds[]; + extern int btblock_size(void *obj, int startoff, int idx); diff --git a/db/field.c b/db/field.c index 58728a9..f81b64d 100644 --- a/db/field.c +++ b/db/field.c @@ -183,6 +183,15 @@ const ftattr_t ftattrtab[] = { { FLDT_RMAPBTREC, "rmapbtrec", fp_sarray, (char *)rmapbt_rec_flds, SI(bitsz(struct xfs_rmap_rec)), 0, NULL, rmapbt_rec_flds }, + { FLDT_REFCBT_CRC, "refcntbt", NULL, (char *)refcbt_crc_flds, btblock_size, + FTARG_SIZE, NULL, refcbt_crc_flds }, + { FLDT_REFCBTKEY, "refcntbtkey", fp_sarray, (char *)refcbt_key_flds, + SI(bitsz(struct xfs_refcount_key)), 0, NULL, refcbt_key_flds }, + { FLDT_REFCBTPTR, "refcntbtptr", fp_num, "%u", SI(bitsz(xfs_refcount_ptr_t)), + 0, fa_agblock, NULL }, + { FLDT_REFCBTREC, "refcntbtrec", fp_sarray, (char *)refcbt_rec_flds, + SI(bitsz(struct xfs_refcount_rec)), 0, NULL, refcbt_rec_flds }, + /* CRC field */ { FLDT_CRC, "crc", fp_crc, "%#x (%s)", SI(bitsz(__uint32_t)), 0, NULL, NULL }, diff --git a/db/field.h b/db/field.h index 47f562a..ae5f490 100644 --- a/db/field.h +++ b/db/field.h @@ -89,6 +89,10 @@ typedef enum fldt { FLDT_RMAPBTKEY, FLDT_RMAPBTPTR, FLDT_RMAPBTREC, + FLDT_REFCBT_CRC, + FLDT_REFCBTKEY, + FLDT_REFCBTPTR, + FLDT_REFCBTREC, /* CRC field type */ FLDT_CRC, diff --git a/db/inode.c b/db/inode.c index 442e6ea..702cdf8 100644 --- a/db/inode.c +++ b/db/inode.c @@ -175,6 +175,9 @@ const field_t inode_v3_flds[] = { { "crtime", FLDT_TIMESTAMP, OI(COFF(crtime)), C1, 0, TYP_NONE }, { "inumber", FLDT_INO, OI(COFF(ino)), C1, 0, TYP_NONE }, { "uuid", FLDT_UUID, OI(COFF(uuid)), C1, 0, TYP_NONE }, + { "reflink", FLDT_UINT1, + OI(COFF(flags2) + bitsz(__uint64_t) - XFS_DIFLAG2_REFLINK_BIT-1), C1, + 0, TYP_NONE }, { NULL } }; diff --git a/db/sb.c b/db/sb.c index 79a3c1d..8e7722c 100644 --- a/db/sb.c +++ b/db/sb.c @@ -694,6 +694,8 @@ version_string( strcat(s, ",SPARSE_INODES"); if (xfs_sb_version_hasmetauuid(sbp)) strcat(s, ",META_UUID"); + if (xfs_sb_version_hasreflink(sbp)) + strcat(s, ",REFLINK"); return s; } diff --git a/db/type.c b/db/type.c index dd192a1..2a501ca 100644 --- a/db/type.c +++ b/db/type.c @@ -59,6 +59,7 @@ static const typ_t __typtab[] = { { TYP_BNOBT, "bnobt", handle_struct, bnobt_hfld, NULL }, { TYP_CNTBT, "cntbt", handle_struct, cntbt_hfld, NULL }, { TYP_RMAPBT, NULL }, + { TYP_REFCBT, NULL }, { TYP_DATA, "data", handle_block, NULL, NULL }, { TYP_DIR2, "dir2", handle_struct, dir2_hfld, NULL }, { TYP_DQBLK, "dqblk", handle_struct, dqblk_hfld, NULL }, @@ -91,6 +92,8 @@ static const typ_t __typtab_crc[] = { &xfs_allocbt_buf_ops }, { TYP_RMAPBT, "rmapbt", handle_struct, rmapbt_crc_hfld, &xfs_rmapbt_buf_ops }, + { TYP_REFCBT, "refcntbt", handle_struct, refcbt_crc_hfld, + &xfs_refcountbt_buf_ops }, { TYP_DATA, "data", handle_block, NULL, NULL }, { TYP_DIR2, "dir3", handle_struct, dir3_hfld, &xfs_dir3_db_buf_ops }, @@ -129,6 +132,8 @@ static const typ_t __typtab_spcrc[] = { &xfs_allocbt_buf_ops }, { TYP_RMAPBT, "rmapbt", handle_struct, rmapbt_crc_hfld, &xfs_rmapbt_buf_ops }, + { TYP_REFCBT, "refcntbt", handle_struct, refcbt_crc_hfld, + &xfs_refcountbt_buf_ops }, { TYP_DATA, "data", handle_block, NULL, NULL }, { TYP_DIR2, "dir3", handle_struct, dir3_hfld, &xfs_dir3_db_buf_ops }, diff --git a/db/type.h b/db/type.h index 1bef8e6..998f755 100644 --- a/db/type.h +++ b/db/type.h @@ -24,7 +24,7 @@ struct field; typedef enum typnm { TYP_AGF, TYP_AGFL, TYP_AGI, TYP_ATTR, TYP_BMAPBTA, - TYP_BMAPBTD, TYP_BNOBT, TYP_CNTBT, TYP_RMAPBT, TYP_DATA, + TYP_BMAPBTD, TYP_BNOBT, TYP_CNTBT, TYP_RMAPBT, TYP_REFCBT, TYP_DATA, TYP_DIR2, TYP_DQBLK, TYP_INOBT, TYP_INODATA, TYP_INODE, TYP_LOG, TYP_RTBITMAP, TYP_RTSUMMARY, TYP_SB, TYP_SYMLINK, TYP_TEXT, TYP_FINOBT, TYP_NONE diff --git a/man/man8/xfs_db.8 b/man/man8/xfs_db.8 index a380f78..b6d2f64 100644 --- a/man/man8/xfs_db.8 +++ b/man/man8/xfs_db.8 @@ -673,8 +673,8 @@ If no argument is given, show the current data type. The possible data types are: .BR agf ", " agfl ", " agi ", " attr ", " bmapbta ", " bmapbtd , .BR bnobt ", " cntbt ", " data ", " dir ", " dir2 ", " dqblk , -.BR inobt ", " inode ", " log ", " rmapbt ", " rtbitmap ", " rtsummary , -.BR sb ", " symlink " and " text . +.BR inobt ", " inode ", " log ", " refcntbt ", " rmapbt ", " rtbitmap , +.BR rtsummary ", " sb ", " symlink " and " text . See the TYPES section below for more information on these data types. .TP .BI "uuid [" uuid " | " generate " | " rewrite " | " restore ] @@ -1658,6 +1658,49 @@ use .BR xfs_logprint (8) instead. .TP +.B refcntbt +There is one set of filesystem blocks forming the reference count Btree for +each allocation group. The root block of this Btree is designated by the +.B refcntroot +field in the corresponding AGF block. The blocks are linked to sibling left +and right blocks at each level, as well as by pointers from parent to child +blocks. Each block has the following fields: +.RS 1.4i +.PD 0 +.TP 1.2i +.B magic +REFC block magic number, 0x52334643 ('R3FC'). +.TP +.B level +level number of this block, 0 is a leaf. +.TP +.B numrecs +number of data entries in the block. +.TP +.B leftsib +left (logically lower) sibling block, 0 if none. +.TP +.B rightsib +right (logically higher) sibling block, 0 if none. +.TP +.B recs +[leaf blocks only] array of reference count records. Each record contains +.BR startblock , +.BR blockcount , +and +.BR refcount . +.TP +.B keys +[non-leaf blocks only] array of key records. These are the first value +of each block in the level below this one. Each record contains +.BR startblock . +.TP +.B ptrs +[non-leaf blocks only] array of child block pointers. Each pointer is a +block number within the allocation group to the next level in the Btree. +.PD +.RE +.TP .B rmapbt There is one set of filesystem blocks forming the reverse mapping Btree for each allocation group. The root block of this Btree is designated by the From darrick.wong@oracle.com Thu Jun 16 20:42:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6490B82AF for ; Thu, 16 Jun 2016 20:42:35 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 183498F804C for ; Thu, 16 Jun 2016 18:42:35 -0700 (PDT) X-ASG-Debug-ID: 1466127752-04bdf01e10965b0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id cEWDF4Nr8s4ULLxa (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:32 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1gSFf022690 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:42:28 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1gSuZ007881 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:42:28 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1gSTa002754; Fri, 17 Jun 2016 01:42:28 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:27 -0700 Subject: [PATCH 111/145] xfs_db: add support for checking the refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 111/145] xfs_db: add support for checking the refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:26 -0700 Message-ID: <146612774650.16048.1340535669886062716.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127752 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8007 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Do some basic checks of the refcount btree. xfs_repair will have to check that the reference counts match the various bmbt mappings. Signed-off-by: Darrick J. Wong --- db/check.c | 136 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 128 insertions(+), 8 deletions(-) diff --git a/db/check.c b/db/check.c index 2964b5f..3b17585 100644 --- a/db/check.c +++ b/db/check.c @@ -44,7 +44,8 @@ typedef enum { DBM_FREE1, DBM_FREE2, DBM_FREELIST, DBM_INODE, DBM_LOG, DBM_MISSING, DBM_QUOTA, DBM_RTBITMAP, DBM_RTDATA, DBM_RTFREE, DBM_RTSUM, DBM_SB, - DBM_SYMLINK, DBM_BTFINO, DBM_BTRMAP, + DBM_SYMLINK, DBM_BTFINO, DBM_BTRMAP, DBM_BTREFC, + DBM_RLDATA, DBM_NDBM } dbm_t; @@ -52,7 +53,8 @@ typedef struct inodata { struct inodata *next; nlink_t link_set; nlink_t link_add; - char isdir; + char isdir:1; + char isreflink:1; char security; char ilist; xfs_ino_t ino; @@ -172,6 +174,8 @@ static const char *typename[] = { "symlink", "btfino", "btrmap", + "btrefcnt", + "rldata", NULL }; static int verbose; @@ -229,7 +233,8 @@ static int blocktrash_f(int argc, char **argv); static int blockuse_f(int argc, char **argv); static int check_blist(xfs_fsblock_t bno); static void check_dbmap(xfs_agnumber_t agno, xfs_agblock_t agbno, - xfs_extlen_t len, dbm_t type); + xfs_extlen_t len, dbm_t type, + int ignore_reflink); static int check_inomap(xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t len, xfs_ino_t c_ino); static void check_linkcounts(xfs_agnumber_t agno); @@ -353,6 +358,9 @@ static void scanfunc_fino(struct xfs_btree_block *block, int level, static void scanfunc_rmap(struct xfs_btree_block *block, int level, struct xfs_agf *agf, xfs_agblock_t bno, int isroot); +static void scanfunc_refcnt(struct xfs_btree_block *block, int level, + struct xfs_agf *agf, xfs_agblock_t bno, + int isroot); static void set_dbmap(xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t len, dbm_t type, xfs_agnumber_t c_agno, xfs_agblock_t c_agbno); @@ -1055,6 +1063,7 @@ blocktrash_f( (1 << DBM_SYMLINK) | (1 << DBM_BTFINO) | (1 << DBM_BTRMAP) | + (1 << DBM_BTREFC) | (1 << DBM_SB); while ((c = getopt(argc, argv, "0123n:o:s:t:x:y:z")) != EOF) { switch (c) { @@ -1291,18 +1300,25 @@ check_dbmap( xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t len, - dbm_t type) + dbm_t type, + int ignore_reflink) { xfs_extlen_t i; char *p; + dbm_t d; for (i = 0, p = &dbmap[agno][agbno]; i < len; i++, p++) { + d = (dbm_t)*p; + if (ignore_reflink && (d == DBM_UNKNOWN || d == DBM_DATA || + d == DBM_RLDATA)) + continue; if ((dbm_t)*p != type) { - if (!sflag || CHECK_BLISTA(agno, agbno + i)) + if (!sflag || CHECK_BLISTA(agno, agbno + i)) { dbprintf(_("block %u/%u expected type %s got " "%s\n"), agno, agbno + i, typename[type], typename[(dbm_t)*p]); + } error++; } } @@ -1336,7 +1352,7 @@ check_inomap( return 0; } for (i = 0, rval = 1, idp = &inomap[agno][agbno]; i < len; i++, idp++) { - if (*idp) { + if (*idp && !(*idp)->isreflink) { if (!sflag || (*idp)->ilist || CHECK_BLISTA(agno, agbno + i)) dbprintf(_("block %u/%u claimed by inode %lld, " @@ -1542,6 +1558,26 @@ check_rrange( return 1; } +/* + * We don't check the accuracy of reference counts -- all we do is ensure + * that a data block never crosses with non-data blocks. repair can check + * those kinds of things. + * + * So with that in mind, if we're setting a block to be data or rldata, + * don't complain so long as the block is currently unknown, data, or rldata. + * Don't let blocks downgrade from rldata -> data. + */ +static bool +is_reflink( + dbm_t type2) +{ + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return false; + if (type2 == DBM_DATA || type2 == DBM_RLDATA) + return true; + return false; +} + static void check_set_dbmap( xfs_agnumber_t agno, @@ -1561,10 +1597,15 @@ check_set_dbmap( agbno, agbno + len - 1, c_agno, c_agbno); return; } - check_dbmap(agno, agbno, len, type1); + check_dbmap(agno, agbno, len, type1, is_reflink(type2)); mayprint = verbose | blist_size; for (i = 0, p = &dbmap[agno][agbno]; i < len; i++, p++) { - *p = (char)type2; + if (*p == DBM_RLDATA && type2 == DBM_DATA) + ; /* do nothing */ + if (*p == DBM_DATA && type2 == DBM_DATA) + *p = (char)DBM_RLDATA; + else + *p = (char)type2; if (mayprint && (verbose || CHECK_BLISTA(agno, agbno + i))) dbprintf(_("setting block %u/%u to %s\n"), agno, agbno + i, typename[type2]); @@ -2804,6 +2845,7 @@ process_inode( break; } + id->isreflink = !!(xino.i_d.di_flags2 & XFS_DIFLAG2_REFLINK); setlink_inode(id, VFS_I(&xino)->i_nlink, type == DBM_DIR, security); switch (xino.i_d.di_format) { @@ -3910,6 +3952,12 @@ scan_ag( be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]), 1, scanfunc_rmap, TYP_RMAPBT); } + if (agf->agf_refcount_root) { + scan_sbtree(agf, + be32_to_cpu(agf->agf_refcount_root), + be32_to_cpu(agf->agf_refcount_level), + 1, scanfunc_refcnt, TYP_REFCBT); + } scan_sbtree(agf, be32_to_cpu(agi->agi_root), be32_to_cpu(agi->agi_level), @@ -4733,6 +4781,78 @@ scanfunc_rmap( } static void +scanfunc_refcnt( + struct xfs_btree_block *block, + int level, + struct xfs_agf *agf, + xfs_agblock_t bno, + int isroot) +{ + xfs_agnumber_t seqno = be32_to_cpu(agf->agf_seqno); + int i; + xfs_refcount_ptr_t *pp; + struct xfs_refcount_rec *rp; + xfs_agblock_t lastblock; + + if (be32_to_cpu(block->bb_magic) != XFS_REFC_CRC_MAGIC) { + dbprintf(_("bad magic # %#x in refcntbt block %u/%u\n"), + be32_to_cpu(block->bb_magic), seqno, bno); + serious_error++; + return; + } + if (be16_to_cpu(block->bb_level) != level) { + if (!sflag) + dbprintf(_("expected level %d got %d in refcntbt block " + "%u/%u\n"), + level, be16_to_cpu(block->bb_level), seqno, bno); + error++; + } + set_dbmap(seqno, bno, 1, DBM_BTREFC, seqno, bno); + if (level == 0) { + if (be16_to_cpu(block->bb_numrecs) > mp->m_refc_mxr[0] || + (isroot == 0 && be16_to_cpu(block->bb_numrecs) < mp->m_refc_mnr[0])) { + dbprintf(_("bad btree nrecs (%u, min=%u, max=%u) in " + "refcntbt block %u/%u\n"), + be16_to_cpu(block->bb_numrecs), mp->m_refc_mnr[0], + mp->m_refc_mxr[0], seqno, bno); + serious_error++; + return; + } + rp = XFS_REFCOUNT_REC_ADDR(block, 1); + lastblock = 0; + for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { + set_dbmap(seqno, be32_to_cpu(rp[i].rc_startblock), + be32_to_cpu(rp[i].rc_blockcount), DBM_RLDATA, + seqno, bno); + if (be32_to_cpu(rp[i].rc_startblock) < lastblock) { + dbprintf(_( + "out-of-order refcnt btree record %d (%u %u) block %u/%u\n"), + i, be32_to_cpu(rp[i].rc_startblock), + be32_to_cpu(rp[i].rc_startblock), + be32_to_cpu(agf->agf_seqno), bno); + } else { + lastblock = be32_to_cpu(rp[i].rc_startblock) + + be32_to_cpu(rp[i].rc_blockcount); + } + } + return; + } + if (be16_to_cpu(block->bb_numrecs) > mp->m_refc_mxr[1] || + (isroot == 0 && be16_to_cpu(block->bb_numrecs) < mp->m_refc_mnr[1])) { + dbprintf(_("bad btree nrecs (%u, min=%u, max=%u) in refcntbt " + "block %u/%u\n"), + be16_to_cpu(block->bb_numrecs), mp->m_refc_mnr[1], + mp->m_refc_mxr[1], seqno, bno); + serious_error++; + return; + } + pp = XFS_REFCOUNT_PTR_ADDR(block, 1, mp->m_refc_mxr[1]); + for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) + scan_sbtree(agf, be32_to_cpu(pp[i]), level, 0, scanfunc_refcnt, + TYP_REFCBT); +} + +static void set_dbmap( xfs_agnumber_t agno, xfs_agblock_t agbno, From darrick.wong@oracle.com Thu Jun 16 20:42:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5A2D28384 for ; Thu, 16 Jun 2016 20:42:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2A4468F804B for ; Thu, 16 Jun 2016 18:42:42 -0700 (PDT) X-ASG-Debug-ID: 1466127759-04cb6c5427583f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 3jQRGFg7X0Ys8qUi (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:40 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1gZCi022740 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:35 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gYEX002279 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:35 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gYak030475; Fri, 17 Jun 2016 01:42:34 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:34 -0700 Subject: [PATCH 112/145] xfs_db: metadump should copy the refcount btree too From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 112/145] xfs_db: metadump should copy the refcount btree too To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:32 -0700 Message-ID: <146612775267.16048.14038936933078418653.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127760 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2590 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Teach metadump to copy the refcount btree. Signed-off-by: Darrick J. Wong --- db/metadump.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/db/metadump.c b/db/metadump.c index 609a5d7..a98e951 100644 --- a/db/metadump.c +++ b/db/metadump.c @@ -615,6 +615,78 @@ copy_rmap_btree( return scan_btree(agno, root, levels, TYP_RMAPBT, agf, scanfunc_rmapbt); } +static int +scanfunc_refcntbt( + struct xfs_btree_block *block, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + int level, + typnm_t btype, + void *arg) +{ + xfs_refcount_ptr_t *pp; + int i; + int numrecs; + + if (level == 0) + return 1; + + numrecs = be16_to_cpu(block->bb_numrecs); + if (numrecs > mp->m_refc_mxr[1]) { + if (show_warnings) + print_warning("invalid numrecs (%u) in %s block %u/%u", + numrecs, typtab[btype].name, agno, agbno); + return 1; + } + + pp = XFS_REFCOUNT_PTR_ADDR(block, 1, mp->m_refc_mxr[1]); + for (i = 0; i < numrecs; i++) { + if (!valid_bno(agno, be32_to_cpu(pp[i]))) { + if (show_warnings) + print_warning("invalid block number (%u/%u) " + "in %s block %u/%u", + agno, be32_to_cpu(pp[i]), + typtab[btype].name, agno, agbno); + continue; + } + if (!scan_btree(agno, be32_to_cpu(pp[i]), level, btype, arg, + scanfunc_refcntbt)) + return 0; + } + return 1; +} + +static int +copy_refcount_btree( + xfs_agnumber_t agno, + struct xfs_agf *agf) +{ + xfs_agblock_t root; + int levels; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return 1; + + root = be32_to_cpu(agf->agf_refcount_root); + levels = be32_to_cpu(agf->agf_refcount_level); + + /* validate root and levels before processing the tree */ + if (root == 0 || root > mp->m_sb.sb_agblocks) { + if (show_warnings) + print_warning("invalid block number (%u) in refcntbt " + "root in agf %u", root, agno); + return 1; + } + if (levels >= XFS_BTREE_MAXLEVELS) { + if (show_warnings) + print_warning("invalid level (%u) in refcntbt root " + "in agf %u", levels, agno); + return 1; + } + + return scan_btree(agno, root, levels, TYP_REFCBT, agf, scanfunc_refcntbt); +} + /* filename and extended attribute obfuscation routines */ struct name_ent { @@ -2525,6 +2597,8 @@ scan_ag( goto pop_out; if (!copy_rmap_btree(agno, agf)) goto pop_out; + if (!copy_refcount_btree(agno, agf)) + goto pop_out; } /* copy inode btrees and the inodes and their associated metadata */ From darrick.wong@oracle.com Thu Jun 16 20:42:44 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0DE268354 for ; Thu, 16 Jun 2016 20:42:44 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D1F8E8F804B for ; Thu, 16 Jun 2016 18:42:43 -0700 (PDT) X-ASG-Debug-ID: 1466127762-04cbb01fec6a6b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 0EZvhIrb2GLZEABL (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:42 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1getu010235 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:42:41 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1geO1008095 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:40 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1geIG030558; Fri, 17 Jun 2016 01:42:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:40 -0700 Subject: [PATCH 113/145] xfs_db: deal with the CoW extent size hint From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 113/145] xfs_db: deal with the CoW extent size hint To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:38 -0700 Message-ID: <146612775876.16048.7337361121630211530.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127762 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1080 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Display the CoW extent hint size when dumping inodes. Signed-off-by: Darrick J. Wong --- db/inode.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/db/inode.c b/db/inode.c index 702cdf8..cac19fc 100644 --- a/db/inode.c +++ b/db/inode.c @@ -172,12 +172,16 @@ const field_t inode_v3_flds[] = { { "change_count", FLDT_UINT64D, OI(COFF(changecount)), C1, 0, TYP_NONE }, { "lsn", FLDT_UINT64X, OI(COFF(lsn)), C1, 0, TYP_NONE }, { "flags2", FLDT_UINT64X, OI(COFF(flags2)), C1, 0, TYP_NONE }, + { "cowextsize", FLDT_EXTLEN, OI(COFF(cowextsize)), C1, 0, TYP_NONE }, { "crtime", FLDT_TIMESTAMP, OI(COFF(crtime)), C1, 0, TYP_NONE }, { "inumber", FLDT_INO, OI(COFF(ino)), C1, 0, TYP_NONE }, { "uuid", FLDT_UUID, OI(COFF(uuid)), C1, 0, TYP_NONE }, { "reflink", FLDT_UINT1, OI(COFF(flags2) + bitsz(__uint64_t) - XFS_DIFLAG2_REFLINK_BIT-1), C1, 0, TYP_NONE }, + { "cowextsz", FLDT_UINT1, + OI(COFF(flags2) + bitsz(__uint64_t) - XFS_DIFLAG2_COWEXTSIZE_BIT-1), C1, + 0, TYP_NONE }, { NULL } }; From darrick.wong@oracle.com Thu Jun 16 20:42:54 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8DD2C8360 for ; Thu, 16 Jun 2016 20:42:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 05E77AC004 for ; Thu, 16 Jun 2016 18:42:53 -0700 (PDT) X-ASG-Debug-ID: 1466127771-04cbb01fed6a6e0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id rlMx7DIAU9iLeKvg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1gl3x022855 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:42:48 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1gl1c008182 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:47 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gki1025209; Fri, 17 Jun 2016 01:42:46 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:46 -0700 Subject: [PATCH 114/145] xfs_growfs: report the presence of the reflink feature From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 114/145] xfs_growfs: report the presence of the reflink feature To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:44 -0700 Message-ID: <146612776485.16048.12300889530409014364.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127772 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2529 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Report the presence of the reflink feature in xfs_info. Signed-off-by: Darrick J. Wong --- growfs/xfs_growfs.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/growfs/xfs_growfs.c b/growfs/xfs_growfs.c index 2b46480..a294e14 100644 --- a/growfs/xfs_growfs.c +++ b/growfs/xfs_growfs.c @@ -59,12 +59,14 @@ report_info( int ftype_enabled, int finobt_enabled, int spinodes, - int rmapbt_enabled) + int rmapbt_enabled, + int reflink_enabled) { printf(_( "meta-data=%-22s isize=%-6u agcount=%u, agsize=%u blks\n" " =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n" " =%-22s crc=%-8u finobt=%u spinodes=%u rmapbt=%u\n" + " =%-22s reflink=%u\n" "data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n" " =%-22s sunit=%-6u swidth=%u blks\n" "naming =version %-14u bsize=%-6u ascii-ci=%d ftype=%d\n" @@ -75,6 +77,7 @@ report_info( mntpoint, geo.inodesize, geo.agcount, geo.agblocks, "", geo.sectsize, attrversion, projid32bit, "", crcs_enabled, finobt_enabled, spinodes, rmapbt_enabled, + "", reflink_enabled, "", geo.blocksize, (unsigned long long)geo.datablocks, geo.imaxpct, "", geo.sunit, geo.swidth, @@ -129,6 +132,7 @@ main(int argc, char **argv) int finobt_enabled; /* free inode btree */ int spinodes; int rmapbt_enabled; + int reflink_enabled; progname = basename(argv[0]); setlocale(LC_ALL, ""); @@ -253,12 +257,13 @@ main(int argc, char **argv) finobt_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_FINOBT ? 1 : 0; spinodes = geo.flags & XFS_FSOP_GEOM_FLAGS_SPINODES ? 1 : 0; rmapbt_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_RMAPBT ? 1 : 0; + reflink_enabled = geo.flags & XFS_FSOP_GEOM_FLAGS_REFLINK ? 1 : 0; if (nflag) { report_info(geo, datadev, isint, logdev, rtdev, lazycount, dirversion, logversion, attrversion, projid32bit, crcs_enabled, ci, ftype_enabled, finobt_enabled, spinodes, - rmapbt_enabled); + rmapbt_enabled, reflink_enabled); exit(0); } @@ -296,7 +301,8 @@ main(int argc, char **argv) report_info(geo, datadev, isint, logdev, rtdev, lazycount, dirversion, logversion, attrversion, projid32bit, crcs_enabled, ci, ftype_enabled, - finobt_enabled, spinodes, rmapbt_enabled); + finobt_enabled, spinodes, rmapbt_enabled, + reflink_enabled); ddsize = xi.dsize; dlsize = ( xi.logBBsize? xi.logBBsize : From darrick.wong@oracle.com Thu Jun 16 20:42:57 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6BDC28397 for ; Thu, 16 Jun 2016 20:42:57 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2B939304039 for ; Thu, 16 Jun 2016 18:42:57 -0700 (PDT) X-ASG-Debug-ID: 1466127774-04bdf01e15965f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id trq7ruS5xDWqU5t8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:42:54 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1gruY022879 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:42:53 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1grC9008272 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:42:53 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1gqth002873; Fri, 17 Jun 2016 01:42:52 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:52 -0700 Subject: [PATCH 115/145] xfs_io: bmap should support querying CoW fork, shared blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 115/145] xfs_io: bmap should support querying CoW fork, shared blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:50 -0700 Message-ID: <146612777093.16048.15058864646971176390.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127774 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5701 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Teach the bmap command to report shared and delayed allocation extents, and to be able to query the CoW fork. Signed-off-by: Darrick J. Wong --- io/bmap.c | 43 ++++++++++++++++++++++++++++++++++--------- man/man8/xfs_bmap.8 | 14 ++++++++++++++ man/man8/xfs_io.8 | 2 +- 3 files changed, 49 insertions(+), 10 deletions(-) diff --git a/io/bmap.c b/io/bmap.c index 04d04c7..0834cdd 100644 --- a/io/bmap.c +++ b/io/bmap.c @@ -41,7 +41,9 @@ bmap_help(void) " Holes are marked by replacing the startblock..endblock with 'hole'.\n" " All the file offsets and disk blocks are in units of 512-byte blocks.\n" " -a -- prints the attribute fork map instead of the data fork.\n" +" -c -- prints the copy-on-write fork map instead of the data fork.\n" " -d -- suppresses a DMAPI read event, offline portions shown as holes.\n" +" -e -- print delayed allocation extents.\n" " -l -- also displays the length of each extent in 512-byte blocks.\n" " -n -- query n extents.\n" " -p -- obtain all unwritten extents as well (w/ -v show which are unwritten.)\n" @@ -75,6 +77,7 @@ bmap_f( int loop = 0; int flg = 0; int aflag = 0; + int cflag = 0; int lflag = 0; int nflag = 0; int pflag = 0; @@ -85,12 +88,19 @@ bmap_f( int c; int egcnt; - while ((c = getopt(argc, argv, "adln:pv")) != EOF) { + while ((c = getopt(argc, argv, "acdeln:pv")) != EOF) { switch (c) { case 'a': /* Attribute fork. */ bmv_iflags |= BMV_IF_ATTRFORK; aflag = 1; break; + case 'c': /* CoW fork. */ + bmv_iflags |= BMV_IF_COWFORK | BMV_IF_DELALLOC; + cflag = 1; + break; + case 'e': + bmv_iflags |= BMV_IF_DELALLOC; + break; case 'l': /* list number of blocks with each extent */ lflag = 1; break; @@ -113,7 +123,7 @@ bmap_f( return command_usage(&bmap_cmd); } } - if (aflag) + if (aflag || cflag) bmv_iflags &= ~(BMV_IF_PREALLOC|BMV_IF_NO_DMAPI_READ); if (vflag) { @@ -271,13 +281,14 @@ bmap_f( #define MINRANGE_WIDTH 16 #define MINAG_WIDTH 2 #define MINTOT_WIDTH 5 -#define NFLG 5 /* count of flags */ -#define FLG_NULL 000000 /* Null flag */ -#define FLG_PRE 010000 /* Unwritten extent */ -#define FLG_BSU 001000 /* Not on begin of stripe unit */ -#define FLG_ESU 000100 /* Not on end of stripe unit */ -#define FLG_BSW 000010 /* Not on begin of stripe width */ -#define FLG_ESW 000001 /* Not on end of stripe width */ +#define NFLG 6 /* count of flags */ +#define FLG_NULL 0000000 /* Null flag */ +#define FLG_SHARED 0100000 /* shared extent */ +#define FLG_PRE 0010000 /* Unwritten extent */ +#define FLG_BSU 0001000 /* Not on begin of stripe unit */ +#define FLG_ESU 0000100 /* Not on end of stripe unit */ +#define FLG_BSW 0000010 /* Not on begin of stripe width */ +#define FLG_ESW 0000001 /* Not on end of stripe width */ int agno; off64_t agoff, bbperag; int foff_w, boff_w, aoff_w, tot_w, agno_w; @@ -348,6 +359,10 @@ bmap_f( if (map[i + 1].bmv_oflags & BMV_OF_PREALLOC) { flg |= FLG_PRE; } + if (map[i + 1].bmv_oflags & BMV_OF_SHARED) + flg |= FLG_SHARED; + if (map[i + 1].bmv_oflags & BMV_OF_DELALLOC) + map[i + 1].bmv_block = -2; /* * If striping enabled, determine if extent starts/ends * on a stripe unit boundary. @@ -380,6 +395,14 @@ bmap_f( agno_w, "", aoff_w, "", tot_w, (long long)map[i+1].bmv_length); + } else if (map[i + 1].bmv_block == -2) { + printf("%4d: %-*s %-*s %*s %-*s %*lld\n", + i, + foff_w, rbuf, + boff_w, _("delalloc"), + agno_w, "", + aoff_w, "", + tot_w, (long long)map[i+1].bmv_length); } else { snprintf(bbuf, sizeof(bbuf), "%lld..%lld", (long long) map[i + 1].bmv_block, @@ -411,6 +434,8 @@ bmap_f( } if ((flg || pflag) && vflag > 1) { printf(_(" FLAG Values:\n")); + printf(_(" %*.*o Shared extent\n"), + NFLG+1, NFLG+1, FLG_SHARED); printf(_(" %*.*o Unwritten preallocated extent\n"), NFLG+1, NFLG+1, FLG_PRE); printf(_(" %*.*o Doesn't begin on stripe unit\n"), diff --git a/man/man8/xfs_bmap.8 b/man/man8/xfs_bmap.8 index e196559..098cfae 100644 --- a/man/man8/xfs_bmap.8 +++ b/man/man8/xfs_bmap.8 @@ -36,6 +36,10 @@ no matter what the filesystem's block size is. If this option is specified, information about the file's attribute fork is printed instead of the default data fork. .TP +.B \-c +If this option is specified, information about the file's +copy on write fork is printed instead of the default data fork. +.TP .B \-d If portions of the file have been migrated offline by a DMAPI application, a DMAPI read event will be generated to @@ -45,6 +49,16 @@ printed. However if the option is used, no DMAPI read event will be generated for a DMAPI file and offline portions will be reported as holes. .TP +.B \-e +If this option is used, +.B xfs_bmap +obtains all delayed allocation extents, and does not flush dirty pages +to disk before querying extent data. With the +.B \-v +option, the +.I flags +column will show which extents have not yet been allocated. +.TP .B \-l If this option is used, then .IP diff --git a/man/man8/xfs_io.8 b/man/man8/xfs_io.8 index b0300bb..6c45c37 100644 --- a/man/man8/xfs_io.8 +++ b/man/man8/xfs_io.8 @@ -256,7 +256,7 @@ See the .B pwrite command. .TP -.BI "bmap [ \-adlpv ] [ \-n " nx " ]" +.BI "bmap [ \-acdelpv ] [ \-n " nx " ]" Prints the block mapping for the current open file. Refer to the .BR xfs_bmap (8) manual page for complete documentation. From darrick.wong@oracle.com Thu Jun 16 20:43:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2FFF2836F for ; Thu, 16 Jun 2016 20:43:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id E3F24304039 for ; Thu, 16 Jun 2016 18:43:04 -0700 (PDT) X-ASG-Debug-ID: 1466127781-04bdf01e1096600001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id UaD3IAjnC4HBR9vA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:43:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1h0X1010427 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:00 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gxsJ002690 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:42:59 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1gwE2030602; Fri, 17 Jun 2016 01:42:59 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:42:58 -0700 Subject: [PATCH 116/145] xfs_io: get and set the CoW extent size hint From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 116/145] xfs_io: get and set the CoW extent size hint To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:42:57 -0700 Message-ID: <146612777707.16048.16381607370131674150.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127781 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7903 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.50 X-Barracuda-Spam-Status: No, SCORE=0.50 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_MV0713, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.50 BSF_SC0_MV0713 Custom rule MV0713 Enable administrators to get or set the CoW extent size hint. Signed-off-by: Darrick J. Wong --- io/attr.c | 8 ++- io/open.c | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++ man/man8/xfs_io.8 | 16 +++++ 3 files changed, 189 insertions(+), 1 deletion(-) diff --git a/io/attr.c b/io/attr.c index 0186b1d..13bec73 100644 --- a/io/attr.c +++ b/io/attr.c @@ -48,9 +48,11 @@ static struct xflags { { FS_XFLAG_NODEFRAG, "f", "no-defrag" }, { FS_XFLAG_FILESTREAM, "S", "filestream" }, { FS_XFLAG_DAX, "x", "dax" }, + { FS_XFLAG_REFLINK, "R", "reflink" }, + { FS_XFLAG_COWEXTSIZE, "C", "cowextsize" }, { 0, NULL, NULL } }; -#define CHATTR_XFLAG_LIST "r"/*p*/"iasAdtPneEfSx" +#define CHATTR_XFLAG_LIST "r"/*p*/"iasAdtPneEfSxRC" static void lsattr_help(void) @@ -75,6 +77,8 @@ lsattr_help(void) " f -- do not include this file when defragmenting the filesystem\n" " S -- enable filestreams allocator for this directory\n" " x -- Use direct access (DAX) for data in this file\n" +" R -- file data blocks may be shared with another file\n" +" C -- for files with shared blocks, observe the inode CoW extent size value\n" "\n" " Options:\n" " -R -- recursively descend (useful when current file is a directory)\n" @@ -111,6 +115,8 @@ chattr_help(void) " +/-f -- set/clear the no-defrag flag\n" " +/-S -- set/clear the filestreams allocator flag\n" " +/-x -- set/clear the direct access (DAX) flag\n" +" +/-R -- set/clear the reflink flag\n" +" +/-C -- set/clear the CoW extent-size flag\n" " Note1: user must have certain capabilities to modify immutable/append-only.\n" " Note2: immutable/append-only files cannot be deleted; removing these files\n" " requires the immutable/append-only flag to be cleared first.\n" diff --git a/io/open.c b/io/open.c index 2303527..1e682a4 100644 --- a/io/open.c +++ b/io/open.c @@ -46,8 +46,10 @@ static cmdinfo_t chproj_cmd; static cmdinfo_t lsproj_cmd; static cmdinfo_t extsize_cmd; static cmdinfo_t inode_cmd; +static cmdinfo_t cowextsize_cmd; static prid_t prid; static long extsize; +static long cowextsize; off64_t filesize(void) @@ -125,6 +127,7 @@ stat_f( printxattr(fsx.fsx_xflags, verbose, 0, file->name, 1, 1); printf(_("fsxattr.projid = %u\n"), fsx.fsx_projid); printf(_("fsxattr.extsize = %u\n"), fsx.fsx_extsize); + printf(_("fsxattr.cowextsize = %u\n"), fsx.fsx_cowextsize); printf(_("fsxattr.nextents = %u\n"), fsx.fsx_nextents); printf(_("fsxattr.naextents = %u\n"), fsxa.fsx_nextents); } @@ -696,6 +699,158 @@ extsize_f( return 0; } +static void +cowextsize_help(void) +{ + printf(_( +"\n" +" report or modify preferred CoW extent size (in bytes) for the current path\n" +"\n" +" -R -- recursively descend (useful when current path is a directory)\n" +" -D -- recursively descend, only modifying cowextsize on directories\n" +"\n")); +} + +static int +get_cowextsize(const char *path, int fd) +{ + struct fsxattr fsx; + + if ((xfsctl(path, fd, XFS_IOC_FSGETXATTR, &fsx)) < 0) { + printf("%s: XFS_IOC_FSGETXATTR %s: %s\n", + progname, path, strerror(errno)); + return 0; + } + printf("[%u] %s\n", fsx.fsx_cowextsize, path); + return 0; +} + +static int +set_cowextsize(const char *path, int fd, long extsz) +{ + struct fsxattr fsx; + struct stat64 stat; + + if (fstat64(fd, &stat) < 0) { + perror("fstat64"); + return 0; + } + if ((xfsctl(path, fd, XFS_IOC_FSGETXATTR, &fsx)) < 0) { + printf("%s: XFS_IOC_FSGETXATTR %s: %s\n", + progname, path, strerror(errno)); + return 0; + } + + if (S_ISREG(stat.st_mode) || S_ISDIR(stat.st_mode)) { + fsx.fsx_xflags |= FS_XFLAG_COWEXTSIZE; + } else { + printf(_("invalid target file type - file %s\n"), path); + return 0; + } + fsx.fsx_cowextsize = extsz; + + if ((xfsctl(path, fd, XFS_IOC_FSSETXATTR, &fsx)) < 0) { + printf("%s: XFS_IOC_FSSETXATTR %s: %s\n", + progname, path, strerror(errno)); + return 0; + } + + return 0; +} + +static int +get_cowextsize_callback( + const char *path, + const struct stat *stat, + int status, + struct FTW *data) +{ + int fd; + + if (recurse_dir && !S_ISDIR(stat->st_mode)) + return 0; + + fd = open(path, O_RDONLY); + if (fd < 0) { + fprintf(stderr, _("%s: cannot open %s: %s\n"), + progname, path, strerror(errno)); + } else { + get_cowextsize(path, fd); + close(fd); + } + return 0; +} + +static int +set_cowextsize_callback( + const char *path, + const struct stat *stat, + int status, + struct FTW *data) +{ + int fd; + + if (recurse_dir && !S_ISDIR(stat->st_mode)) + return 0; + + fd = open(path, O_RDONLY); + if (fd < 0) { + fprintf(stderr, _("%s: cannot open %s: %s\n"), + progname, path, strerror(errno)); + } else { + set_cowextsize(path, fd, cowextsize); + close(fd); + } + return 0; +} + +static int +cowextsize_f( + int argc, + char **argv) +{ + size_t blocksize, sectsize; + int c; + + recurse_all = recurse_dir = 0; + init_cvtnum(&blocksize, §size); + while ((c = getopt(argc, argv, "DR")) != EOF) { + switch (c) { + case 'D': + recurse_all = 0; + recurse_dir = 1; + break; + case 'R': + recurse_all = 1; + recurse_dir = 0; + break; + default: + return command_usage(&cowextsize_cmd); + } + } + + if (optind < argc) { + cowextsize = (long)cvtnum(blocksize, sectsize, argv[optind]); + if (cowextsize < 0) { + printf(_("non-numeric cowextsize argument -- %s\n"), + argv[optind]); + return 0; + } + } else { + cowextsize = -1; + } + + if (recurse_all || recurse_dir) + nftw(file->name, (extsize >= 0) ? + set_cowextsize_callback : get_cowextsize_callback, + 100, FTW_PHYS | FTW_MOUNT | FTW_DEPTH); + else if (cowextsize >= 0) + set_cowextsize(file->name, file->fd, cowextsize); + else + get_cowextsize(file->name, file->fd); + return 0; +} + static int statfs_f( int argc, @@ -964,6 +1119,16 @@ open_init(void) _("Query inode number usage in the filesystem"); inode_cmd.help = inode_help; + cowextsize_cmd.name = "cowextsize"; + cowextsize_cmd.cfunc = cowextsize_f; + cowextsize_cmd.args = _("[-D | -R] [cowextsize]"); + cowextsize_cmd.argmin = 0; + cowextsize_cmd.argmax = -1; + cowextsize_cmd.flags = CMD_NOMAP_OK; + cowextsize_cmd.oneline = + _("get/set preferred CoW extent size (in bytes) for the open file"); + cowextsize_cmd.help = cowextsize_help; + add_command(&open_cmd); add_command(&stat_cmd); add_command(&close_cmd); @@ -972,4 +1137,5 @@ open_init(void) add_command(&lsproj_cmd); add_command(&extsize_cmd); add_command(&inode_cmd); + add_command(&cowextsize_cmd); } diff --git a/man/man8/xfs_io.8 b/man/man8/xfs_io.8 index 6c45c37..cc70b7c 100644 --- a/man/man8/xfs_io.8 +++ b/man/man8/xfs_io.8 @@ -283,6 +283,22 @@ The should be specified in bytes, or using one of the usual units suffixes (k, m, g, b, etc). The extent size is always reported in units of bytes. .TP +.BI "cowextsize [ \-R | \-D ] [ " value " ]" +Display and/or modify the preferred copy-on-write extent size used +when allocating space for the currently open file. If the +.B \-R +option is specified, a recursive descent is performed +for all directory entries below the currently open file +.RB ( \-D +can be used to restrict the output to directories only). +If the target file is a directory, then the inherited CoW extent size +is set for that directory (new files created in that directory +inherit that CoW extent size). +The +.I value +should be specified in bytes, or using one of the usual units suffixes +(k, m, g, b, etc). The extent size is always reported in units of bytes. +.TP .BI "allocsp " size " 0" Sets the size of the file to .I size From darrick.wong@oracle.com Thu Jun 16 20:43:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 396A383A9 for ; Thu, 16 Jun 2016 20:43:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id F05658F804B for ; Thu, 16 Jun 2016 18:43:08 -0700 (PDT) X-ASG-Debug-ID: 1466127787-04cb6c542758410001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id K3A4OZHZPTJIwWYU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:43:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1h5B7010656 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:06 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1h5wC015509 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:05 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1h4dD025366; Fri, 17 Jun 2016 01:43:05 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:04 -0700 Subject: [PATCH 117/145] xfs_io: add refcount+bmap error injection types From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 117/145] xfs_io: add refcount+bmap error injection types To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:03 -0700 Message-ID: <146612778322.16048.5833598458395784088.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127787 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1028 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Add refcount and bmap deferred finish to the types of errors we can inject. Signed-off-by: Darrick J. Wong --- io/inject.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/io/inject.c b/io/inject.c index 16ac925..56642b8 100644 --- a/io/inject.c +++ b/io/inject.c @@ -78,7 +78,13 @@ error_tag(char *name) { XFS_ERRTAG_FREE_EXTENT, "free_extent" }, #define XFS_ERRTAG_RMAP_FINISH_ONE 23 { XFS_ERRTAG_RMAP_FINISH_ONE, "rmap_finish_one" }, -#define XFS_ERRTAG_MAX 24 +#define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE 24 + { XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE, "refcount_continue_update" }, +#define XFS_ERRTAG_REFCOUNT_FINISH_ONE 25 + { XFS_ERRTAG_REFCOUNT_FINISH_ONE, "refcount_finish_one" }, +#define XFS_ERRTAG_BMAP_FINISH_ONE 26 + { XFS_ERRTAG_BMAP_FINISH_ONE, "bmap_finish_one" }, +#define XFS_ERRTAG_MAX 27 { XFS_ERRTAG_MAX, NULL } }; int count; From darrick.wong@oracle.com Thu Jun 16 20:43:14 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8D4468375 for ; Thu, 16 Jun 2016 20:43:14 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5E3938F804C for ; Thu, 16 Jun 2016 18:43:14 -0700 (PDT) X-ASG-Debug-ID: 1466127793-04cbb01fed6a720001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id qjbfodgUUvyfRtMn (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:43:13 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1hBdm010813 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:43:12 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1hBJL009004 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:11 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hA9g030795; Fri, 17 Jun 2016 01:43:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:10 -0700 Subject: [PATCH 118/145] xfs_logprint: support cowextsize reporting in log contents From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 118/145] xfs_logprint: support cowextsize reporting in log contents To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:09 -0700 Message-ID: <146612778940.16048.13738003970479416066.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127793 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1161 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- logprint/log_misc.c | 4 ++++ logprint/log_print_all.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/logprint/log_misc.c b/logprint/log_misc.c index 479fc14..f6488d9 100644 --- a/logprint/log_misc.c +++ b/logprint/log_misc.c @@ -513,6 +513,10 @@ xlog_print_trans_inode_core( ip->di_dmstate); printf(_("flags 0x%x gen 0x%x\n"), ip->di_flags, ip->di_gen); + if (ip->di_version == 3) { + printf(_("flags2 0x%llx cowextsize 0x%x\n"), + (unsigned long long)ip->di_flags2, ip->di_cowextsize); + } } void diff --git a/logprint/log_print_all.c b/logprint/log_print_all.c index 0fe354b..46952c4 100644 --- a/logprint/log_print_all.c +++ b/logprint/log_print_all.c @@ -272,6 +272,10 @@ xlog_recover_print_inode_core( "gen:%d\n"), (int)di->di_forkoff, di->di_dmevmask, (int)di->di_dmstate, (int)di->di_flags, di->di_gen); + if (di->di_version == 3) { + printf(_("flags2 0x%llx cowextsize 0x%x\n"), + (unsigned long long)di->di_flags2, di->di_cowextsize); + } } STATIC void From darrick.wong@oracle.com Thu Jun 16 20:43:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 1CCD28341 for ; Thu, 16 Jun 2016 20:43:22 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id E13138F804B for ; Thu, 16 Jun 2016 18:43:21 -0700 (PDT) X-ASG-Debug-ID: 1466127799-04cb6c542658440001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 1wUcHGp2vl0vBU3X (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:43:20 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1hIVJ023614 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:18 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hHf6003493 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:18 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hHZx030905; Fri, 17 Jun 2016 01:43:17 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:16 -0700 Subject: [PATCH 119/145] xfs_logprint: support refcount redo items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 119/145] xfs_logprint: support refcount redo items To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:15 -0700 Message-ID: <146612779547.16048.11591159287269642096.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127800 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6205 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Print reference count update redo items. Signed-off-by: Darrick J. Wong --- logprint/log_misc.c | 11 +++ logprint/log_print_all.c | 12 ++++ logprint/log_redo.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++ logprint/logprint.h | 5 ++ 4 files changed, 179 insertions(+) diff --git a/logprint/log_misc.c b/logprint/log_misc.c index f6488d9..5389b72 100644 --- a/logprint/log_misc.c +++ b/logprint/log_misc.c @@ -1008,6 +1008,17 @@ xlog_print_record( be32_to_cpu(op_head->oh_len)); break; } + case XFS_LI_CUI: { + skip = xlog_print_trans_cui(&ptr, + be32_to_cpu(op_head->oh_len), + continued); + break; + } + case XFS_LI_CUD: { + skip = xlog_print_trans_cud(&ptr, + be32_to_cpu(op_head->oh_len)); + break; + } case XFS_LI_QUOTAOFF: { skip = xlog_print_trans_qoff(&ptr, be32_to_cpu(op_head->oh_len)); diff --git a/logprint/log_print_all.c b/logprint/log_print_all.c index 46952c4..eb3e326 100644 --- a/logprint/log_print_all.c +++ b/logprint/log_print_all.c @@ -418,6 +418,12 @@ xlog_recover_print_logitem( case XFS_LI_RUI: xlog_recover_print_rui(item); break; + case XFS_LI_CUD: + xlog_recover_print_cud(item); + break; + case XFS_LI_CUI: + xlog_recover_print_cui(item); + break; case XFS_LI_DQUOT: xlog_recover_print_dquot(item); break; @@ -458,6 +464,12 @@ xlog_recover_print_item( case XFS_LI_RUI: printf("RUI"); break; + case XFS_LI_CUD: + printf("CUD"); + break; + case XFS_LI_CUI: + printf("CUI"); + break; case XFS_LI_DQUOT: printf("DQ "); break; diff --git a/logprint/log_redo.c b/logprint/log_redo.c index 717dccd..1539be1 100644 --- a/logprint/log_redo.c +++ b/logprint/log_redo.c @@ -381,3 +381,154 @@ xlog_recover_print_rud( f = item->ri_buf[0].i_addr; xlog_print_trans_rud(&f, sizeof(struct xfs_rud_log_format)); } + +/* Reference Count Update Items */ + +static int +xfs_cui_copy_format( + char *buf, + uint len, + struct xfs_cui_log_format *dst_fmt, + int continued) +{ + uint nextents = ((struct xfs_cui_log_format *)buf)->cui_nextents; + uint dst_len = sizeof(struct xfs_cui_log_format) + + (nextents - 1) * sizeof(struct xfs_phys_extent); + + if (len == dst_len || continued) { + memcpy((char *)dst_fmt, buf, len); + return 0; + } + fprintf(stderr, _("%s: bad size of CUI format: %u; expected %u; nextents = %u\n"), + progname, len, dst_len, nextents); + return 1; +} + +int +xlog_print_trans_cui( + char **ptr, + uint src_len, + int continued) +{ + struct xfs_cui_log_format *src_f, *f = NULL; + uint dst_len; + uint nextents; + struct xfs_phys_extent *ex; + int i; + int error = 0; + int core_size; + + core_size = offsetof(struct xfs_cui_log_format, cui_extents); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * struct xfs_cui_log_format structure + */ + src_f = malloc(src_len); + if (src_f == NULL) { + fprintf(stderr, _("%s: %s: malloc failed\n"), + progname, __func__); + exit(1); + } + memmove((char*)src_f, *ptr, src_len); + *ptr += src_len; + + /* convert to native format */ + nextents = src_f->cui_nextents; + dst_len = sizeof(struct xfs_cui_log_format) + + (nextents - 1) * sizeof(struct xfs_phys_extent); + + if (continued && src_len < core_size) { + printf(_("CUI: Not enough data to decode further\n")); + error = 1; + goto error; + } + + f = malloc(dst_len); + if (f == NULL) { + fprintf(stderr, _("%s: %s: malloc failed\n"), + progname, __func__); + exit(1); + } + if (xfs_cui_copy_format((char *)src_f, src_len, f, continued)) { + error = 1; + goto error; + } + + printf(_("CUI: #regs: %d num_extents: %d id: 0x%llx\n"), + f->cui_size, f->cui_nextents, (unsigned long long)f->cui_id); + + if (continued) { + printf(_("CUI extent data skipped (CONTINUE set, no space)\n")); + goto error; + } + + ex = f->cui_extents; + for (i=0; i < f->cui_nextents; i++) { + printf("(s: 0x%llx, l: %d, f: 0x%x) ", + (unsigned long long)ex->pe_startblock, ex->pe_len, + ex->pe_flags); + printf("\n"); + ex++; + } +error: + free(src_f); + free(f); + return error; +} + +void +xlog_recover_print_cui( + struct xlog_recover_item *item) +{ + char *src_f; + uint src_len; + + src_f = item->ri_buf[0].i_addr; + src_len = item->ri_buf[0].i_len; + + xlog_print_trans_cui(&src_f, src_len, 0); +} + +int +xlog_print_trans_cud( + char **ptr, + uint len) +{ + struct xfs_cud_log_format *f; + struct xfs_cud_log_format lbuf; + + /* size without extents at end */ + uint core_size = sizeof(struct xfs_cud_log_format) - + sizeof(struct xfs_phys_extent); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * xfs_efd_log_format_t structure + */ + memmove(&lbuf, *ptr, MIN(core_size, len)); + f = &lbuf; + *ptr += len; + if (len >= core_size) { + printf(_("CUD: #regs: %d num_extents: %d id: 0x%llx\n"), + f->cud_size, f->cud_nextents, + (unsigned long long)f->cud_cui_id); + + /* don't print extents as they are not used */ + + return 0; + } else { + printf(_("CUD: Not enough data to decode further\n")); + return 1; + } +} + +void +xlog_recover_print_cud( + struct xlog_recover_item *item) +{ + char *f; + + f = item->ri_buf[0].i_addr; + xlog_print_trans_cud(&f, sizeof(struct xfs_cud_log_format)); +} diff --git a/logprint/logprint.h b/logprint/logprint.h index 0c03c08..a1115e2 100644 --- a/logprint/logprint.h +++ b/logprint/logprint.h @@ -56,4 +56,9 @@ extern void xlog_recover_print_rui(struct xlog_recover_item *item); extern int xlog_print_trans_rud(char **ptr, uint len); extern void xlog_recover_print_rud(struct xlog_recover_item *item); +extern int xlog_print_trans_cui(char **ptr, uint src_len, int continued); +extern void xlog_recover_print_cui(struct xlog_recover_item *item); +extern int xlog_print_trans_cud(char **ptr, uint len); +extern void xlog_recover_print_cud(struct xlog_recover_item *item); + #endif /* LOGPRINT_H */ From darrick.wong@oracle.com Thu Jun 16 20:43:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id ED50D83B7 for ; Thu, 16 Jun 2016 20:43:29 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id ABFF2304048 for ; Thu, 16 Jun 2016 18:43:29 -0700 (PDT) X-ASG-Debug-ID: 1466127806-04bdf01e1396650001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id JeT2Al8fKYwHKUlu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:43:27 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1hPTH011247 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:26 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hPDc003610 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:25 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hNrc013288; Fri, 17 Jun 2016 01:43:24 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:22 -0700 Subject: [PATCH 120/145] xfs_logprint: support bmap redo items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 120/145] xfs_logprint: support bmap redo items To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:21 -0700 Message-ID: <146612780162.16048.16369479141761925697.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127807 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6286 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Print block mapping update redo items. Signed-off-by: Darrick J. Wong --- logprint/log_misc.c | 11 +++ logprint/log_print_all.c | 12 ++++ logprint/log_redo.c | 152 ++++++++++++++++++++++++++++++++++++++++++++++ logprint/logprint.h | 5 ++ 4 files changed, 180 insertions(+) diff --git a/logprint/log_misc.c b/logprint/log_misc.c index 5389b72..c10a1d1 100644 --- a/logprint/log_misc.c +++ b/logprint/log_misc.c @@ -1019,6 +1019,17 @@ xlog_print_record( be32_to_cpu(op_head->oh_len)); break; } + case XFS_LI_BUI: { + skip = xlog_print_trans_bui(&ptr, + be32_to_cpu(op_head->oh_len), + continued); + break; + } + case XFS_LI_BUD: { + skip = xlog_print_trans_bud(&ptr, + be32_to_cpu(op_head->oh_len)); + break; + } case XFS_LI_QUOTAOFF: { skip = xlog_print_trans_qoff(&ptr, be32_to_cpu(op_head->oh_len)); diff --git a/logprint/log_print_all.c b/logprint/log_print_all.c index eb3e326..f49316e 100644 --- a/logprint/log_print_all.c +++ b/logprint/log_print_all.c @@ -424,6 +424,12 @@ xlog_recover_print_logitem( case XFS_LI_CUI: xlog_recover_print_cui(item); break; + case XFS_LI_BUD: + xlog_recover_print_bud(item); + break; + case XFS_LI_BUI: + xlog_recover_print_bui(item); + break; case XFS_LI_DQUOT: xlog_recover_print_dquot(item); break; @@ -470,6 +476,12 @@ xlog_recover_print_item( case XFS_LI_CUI: printf("CUI"); break; + case XFS_LI_BUD: + printf("BUD"); + break; + case XFS_LI_BUI: + printf("BUI"); + break; case XFS_LI_DQUOT: printf("DQ "); break; diff --git a/logprint/log_redo.c b/logprint/log_redo.c index 1539be1..7a1bbef 100644 --- a/logprint/log_redo.c +++ b/logprint/log_redo.c @@ -532,3 +532,155 @@ xlog_recover_print_cud( f = item->ri_buf[0].i_addr; xlog_print_trans_cud(&f, sizeof(struct xfs_cud_log_format)); } + +/* Block Mapping Update Items */ + +static int +xfs_bui_copy_format( + char *buf, + uint len, + struct xfs_bui_log_format *dst_fmt, + int continued) +{ + uint nextents = ((struct xfs_bui_log_format *)buf)->bui_nextents; + uint dst_len = sizeof(struct xfs_bui_log_format) + + (nextents - 1) * sizeof(struct xfs_map_extent); + + if (len == dst_len || continued) { + memcpy((char *)dst_fmt, buf, len); + return 0; + } + fprintf(stderr, _("%s: bad size of BUI format: %u; expected %u; nextents = %u\n"), + progname, len, dst_len, nextents); + return 1; +} + +int +xlog_print_trans_bui( + char **ptr, + uint src_len, + int continued) +{ + struct xfs_bui_log_format *src_f, *f = NULL; + uint dst_len; + uint nextents; + struct xfs_map_extent *ex; + int i; + int error = 0; + int core_size; + + core_size = offsetof(struct xfs_bui_log_format, bui_extents); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * struct xfs_bui_log_format structure + */ + src_f = malloc(src_len); + if (src_f == NULL) { + fprintf(stderr, _("%s: %s: malloc failed\n"), + progname, __func__); + exit(1); + } + memmove((char*)src_f, *ptr, src_len); + *ptr += src_len; + + /* convert to native format */ + nextents = src_f->bui_nextents; + dst_len = sizeof(struct xfs_bui_log_format) + + (nextents - 1) * sizeof(struct xfs_map_extent); + + if (continued && src_len < core_size) { + printf(_("BUI: Not enough data to decode further\n")); + error = 1; + goto error; + } + + f = malloc(dst_len); + if (f == NULL) { + fprintf(stderr, _("%s: %s: malloc failed\n"), + progname, __func__); + exit(1); + } + if (xfs_bui_copy_format((char *)src_f, src_len, f, continued)) { + error = 1; + goto error; + } + + printf(_("BUI: #regs: %d num_extents: %d id: 0x%llx\n"), + f->bui_size, f->bui_nextents, (unsigned long long)f->bui_id); + + if (continued) { + printf(_("BUI extent data skipped (CONTINUE set, no space)\n")); + goto error; + } + + ex = f->bui_extents; + for (i=0; i < f->bui_nextents; i++) { + printf("(s: 0x%llx, l: %d, own: %lld, off: %llu, f: 0x%x) ", + (unsigned long long)ex->me_startblock, ex->me_len, + (long long)ex->me_owner, + (unsigned long long)ex->me_startoff, ex->me_flags); + printf("\n"); + ex++; + } +error: + free(src_f); + free(f); + return error; +} + +void +xlog_recover_print_bui( + struct xlog_recover_item *item) +{ + char *src_f; + uint src_len; + + src_f = item->ri_buf[0].i_addr; + src_len = item->ri_buf[0].i_len; + + xlog_print_trans_bui(&src_f, src_len, 0); +} + +int +xlog_print_trans_bud( + char **ptr, + uint len) +{ + struct xfs_bud_log_format *f; + struct xfs_bud_log_format lbuf; + + /* size without extents at end */ + uint core_size = sizeof(struct xfs_bud_log_format) - + sizeof(struct xfs_map_extent); + + /* + * memmove to ensure 8-byte alignment for the long longs in + * xfs_efd_log_format_t structure + */ + memmove(&lbuf, *ptr, MIN(core_size, len)); + f = &lbuf; + *ptr += len; + if (len >= core_size) { + printf(_("BUD: #regs: %d num_extents: %d id: 0x%llx\n"), + f->bud_size, f->bud_nextents, + (unsigned long long)f->bud_bui_id); + + /* don't print extents as they are not used */ + + return 0; + } else { + printf(_("BUD: Not enough data to decode further\n")); + return 1; + } +} + +void +xlog_recover_print_bud( + struct xlog_recover_item *item) +{ + char *f; + + f = item->ri_buf[0].i_addr; + xlog_print_trans_bud(&f, sizeof(struct xfs_bud_log_format)); +} diff --git a/logprint/logprint.h b/logprint/logprint.h index a1115e2..81feff3 100644 --- a/logprint/logprint.h +++ b/logprint/logprint.h @@ -61,4 +61,9 @@ extern void xlog_recover_print_cui(struct xlog_recover_item *item); extern int xlog_print_trans_cud(char **ptr, uint len); extern void xlog_recover_print_cud(struct xlog_recover_item *item); +extern int xlog_print_trans_bui(char **ptr, uint src_len, int continued); +extern void xlog_recover_print_bui(struct xlog_recover_item *item); +extern int xlog_print_trans_bud(char **ptr, uint len); +extern void xlog_recover_print_bud(struct xlog_recover_item *item); + #endif /* LOGPRINT_H */ From darrick.wong@oracle.com Thu Jun 16 20:43:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E0BF88363 for ; Thu, 16 Jun 2016 20:43:35 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id A47B58F8050 for ; 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Fri, 17 Jun 2016 01:43:30 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:29 -0700 Subject: [PATCH 121/145] man: document the reflink inode flag in fsxattr From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 121/145] man: document the reflink inode flag in fsxattr To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:27 -0700 Message-ID: <146612780777.16048.2394921482033235268.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127813 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1056 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Document the new inode flag in struct fsxattr for reflink. Signed-off-by: Darrick J. Wong --- man/man3/xfsctl.3 | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/man/man3/xfsctl.3 b/man/man3/xfsctl.3 index 9e7f138..ef6c992 100644 --- a/man/man3/xfsctl.3 +++ b/man/man3/xfsctl.3 @@ -230,6 +230,16 @@ If the filesystem lives on directly accessible persistent memory, reads and writes to this file will go straight to the persistent memory, bypassing the page cache. .TP +.SM "Bit 16 (0x10000) \- XFS_XFLAG_REFLINK" +This file is sharing or has shared blocks with another file. +This flag can be set by reflinking or deduping blocks with another file +and cleared by fallocating the entire file to pre-copy all shared extents. +A file cannot have +.BR XFS_XFLAG_REFLINK +and +.BR XFS_XFLAG_DAX +set at the same time, that is to say that DAX files cannot share blocks. +.TP .SM "Bit 31 (0x80000000) \- XFS_XFLAG_HASATTR" The file has extended attributes associated with it. .RE From darrick.wong@oracle.com Thu Jun 16 20:43:41 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A53B480DB for ; Thu, 16 Jun 2016 20:43:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6CC5F304048 for ; Thu, 16 Jun 2016 18:43:41 -0700 (PDT) X-ASG-Debug-ID: 1466127819-04cb6c542458450001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id uqgS4PcUj0h7spkS (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:43:39 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1hbUd011333 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:38 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hbKD016282 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:37 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hZJ1013358; Fri, 17 Jun 2016 01:43:36 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:35 -0700 Subject: [PATCH 122/145] man: document the inode cowextsize flags & fields From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 122/145] man: document the inode cowextsize flags & fields To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:33 -0700 Message-ID: <146612781384.16048.1828413487089680067.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127819 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2300 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Document the new copy-on-write extent size fields and inode flags available in struct fsxattr. Signed-off-by: Darrick J. Wong --- man/man3/xfsctl.3 | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/man/man3/xfsctl.3 b/man/man3/xfsctl.3 index ef6c992..77506aa 100644 --- a/man/man3/xfsctl.3 +++ b/man/man3/xfsctl.3 @@ -150,6 +150,15 @@ value returned indicates that a preferred extent size was previously set on the file, a .B fsx_extsize of zero indicates that the defaults for that filesystem will be used. +A +.B fsx_cowextsize +value returned indicates that a preferred copy on write extent size was +previously set on the file, whereas a +.B fsx_cowextsize +of zero indicates that the defaults for that filesystem will be used. +The current default for +.B fsx_cowextsize +is 128 blocks. Currently the meaningful bits for the .B fsx_xflags field are: @@ -240,6 +249,15 @@ and .BR XFS_XFLAG_DAX set at the same time, that is to say that DAX files cannot share blocks. .TP +.SM "Bit 17 (0x20000) \- XFS_XFLAG_COWEXTSIZE" +Copy on Write Extent size bit - if a CoW extent size value is set on the file, +the allocator will allocate extents for staging a copy on write operation +in multiples of the set size for this file (see +.B XFS_IOC_FSSETXATTR +below). +If the CoW extent size is set on a directory, then new file and directories +created in the directory will inherit the parent's CoW extent size value. +.TP .SM "Bit 31 (0x80000000) \- XFS_XFLAG_HASATTR" The file has extended attributes associated with it. .RE @@ -261,7 +279,8 @@ The final argument points to a variable of type .BR "struct fsxattr" , but only the following fields are used in this call: .BR fsx_xflags , -.B fsx_extsize +.BR fsx_extsize , +.BR fsx_cowextsize , and .BR fsx_projid . The @@ -271,6 +290,9 @@ when the file is empty, except in the case of a directory where the extent size can be set at any time (this value is only used for regular file allocations, so should only be set on a directory in conjunction with the XFS_XFLAG_EXTSZINHERIT flag). +The copy on write extent size, +.BR fsx_cowextsize , +can be set at any time. .TP .B XFS_IOC_GETBMAP From darrick.wong@oracle.com Thu Jun 16 20:43:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A2D4980E9 for ; Thu, 16 Jun 2016 20:43:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 728AC8F804B for ; Thu, 16 Jun 2016 18:43:48 -0700 (PDT) X-ASG-Debug-ID: 1466127825-04cbb01fef6a7c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id s9nv6xBxyZBxUTzN (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:43:45 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1hi4e011416 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:44 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hi3m003823 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:44 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hfT6013467; Fri, 17 Jun 2016 01:43:42 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:41 -0700 Subject: [PATCH 123/145] xfs_repair: fix get_agino_buf to avoid corrupting inodes From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 123/145] xfs_repair: fix get_agino_buf to avoid corrupting inodes To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:39 -0700 Message-ID: <146612781992.16048.3010681907202444358.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127825 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5547 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines The inode buffering code tries to read inodes in units of chunks, which are the larger of 8K or 1 FSB. Each chunk gets its own xfs_buf, which means that get_agino_buf must calculate the disk address of the chunk and feed that to libxfs_readbuf in order to find the inode data correctly. The current code simply grabs the chunk for the start inode and indexes from that, which corrupts memory because the start inode and the target inode could be in different inode chunks. That causes the assert in rmap.c to blow when we clear the reflink flag. (Also fix some minor errors in the debugging printfs.) Signed-off-by: Darrick J. Wong --- libxfs/rdwr.c | 8 +++--- repair/dinode.c | 73 +++++++++++++++++++++++++++++++++---------------------- repair/dinode.h | 12 +++++---- 3 files changed, 54 insertions(+), 39 deletions(-) diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c index 533a064..9fcc319 100644 --- a/libxfs/rdwr.c +++ b/libxfs/rdwr.c @@ -1038,9 +1038,9 @@ libxfs_readbufr_map(struct xfs_buftarg *btp, struct xfs_buf *bp, int flags) if (!error) bp->b_flags |= LIBXFS_B_UPTODATE; #ifdef IO_DEBUG - printf("%lx: %s: read %u bytes, error %d, blkno=0x%llx(0x%llx), %p\n", - pthread_self(), __FUNCTION__, , error, - (long long)LIBXFS_BBTOOFF64(blkno), (long long)blkno, bp); + printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n", + pthread_self(), __FUNCTION__, buf - (char *)bp->b_addr, error, + (long long)LIBXFS_BBTOOFF64(bp->b_bn), (long long)bp->b_bn, bp); #endif return error; } @@ -1070,7 +1070,7 @@ libxfs_readbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map, int nmaps, if (!error) libxfs_readbuf_verify(bp, ops); -#ifdef IO_DEBUG +#ifdef IO_DEBUGX printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n", pthread_self(), __FUNCTION__, buf - (char *)bp->b_addr, error, (long long)LIBXFS_BBTOOFF64(bp->b_bn), (long long)bp->b_bn, bp); diff --git a/repair/dinode.c b/repair/dinode.c index 89163b1..e9b4f8f 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -847,43 +847,58 @@ scan_bmbt_reclist( } /* - * these two are meant for routines that read and work with inodes - * one at a time where the inodes may be in any order (like walking - * the unlinked lists to look for inodes). the caller is responsible - * for writing/releasing the buffer. + * Grab the buffer backing an inode. This is meant for routines that + * work with inodes one at a time in any order (like walking the + * unlinked lists to look for inodes). The caller is responsible for + * writing/releasing the buffer. */ -xfs_buf_t * -get_agino_buf(xfs_mount_t *mp, - xfs_agnumber_t agno, - xfs_agino_t agino, - xfs_dinode_t **dipp) +struct xfs_buf * +get_agino_buf( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agino_t agino, + struct xfs_dinode **dipp) { - ino_tree_node_t *irec; - xfs_buf_t *bp; - int size; - - if ((irec = find_inode_rec(mp, agno, agino)) == NULL) - return(NULL); + struct xfs_buf *bp; + int cluster_size; + int ino_per_cluster; + xfs_agino_t cluster_agino; + xfs_daddr_t cluster_daddr; + xfs_daddr_t cluster_blks; - size = MAX(1, XFS_FSB_TO_BB(mp, + /* + * Inode buffers have been read into memory in inode_cluster_size + * chunks (or one FSB). To find the correct buffer for an inode, + * we must find the buffer for its cluster, add the appropriate + * offset, and return that. + */ + cluster_size = MAX(mp->m_inode_cluster_size, mp->m_sb.sb_blocksize); + ino_per_cluster = cluster_size / mp->m_sb.sb_inodesize; + cluster_agino = agino & ~(ino_per_cluster - 1); + cluster_blks = XFS_FSB_TO_DADDR(mp, MAX(1, mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog)); - bp = libxfs_readbuf(mp->m_dev, XFS_AGB_TO_DADDR(mp, agno, - XFS_AGINO_TO_AGBNO(mp, irec->ino_startnum)), size, 0, - &xfs_inode_buf_ops); + cluster_daddr = XFS_AGB_TO_DADDR(mp, agno, + XFS_AGINO_TO_AGBNO(mp, cluster_agino)); + +#ifdef XR_INODE_TRACE + printf("cluster_size %d ipc %d clusagino %d daddr %lld sectors %lld\n", + cluster_size, ino_per_cluster, cluster_agino, cluster_daddr, + cluster_blks); +#endif + + bp = libxfs_readbuf(mp->m_dev, cluster_daddr, cluster_blks, + 0, &xfs_inode_buf_ops); if (!bp) { do_warn(_("cannot read inode (%u/%u), disk block %" PRIu64 "\n"), - agno, irec->ino_startnum, - XFS_AGB_TO_DADDR(mp, agno, - XFS_AGINO_TO_AGBNO(mp, irec->ino_startnum))); - return(NULL); + agno, cluster_agino, cluster_daddr); + return NULL; } - *dipp = xfs_make_iptr(mp, bp, agino - - XFS_OFFBNO_TO_AGINO(mp, XFS_AGINO_TO_AGBNO(mp, - irec->ino_startnum), - 0)); - - return(bp); + *dipp = xfs_make_iptr(mp, bp, agino - cluster_agino); + ASSERT(!xfs_sb_version_hascrc(&mp->m_sb) || + XFS_AGINO_TO_INO(mp, agno, agino) == + be64_to_cpu((*dipp)->di_ino)); + return bp; } /* diff --git a/repair/dinode.h b/repair/dinode.h index 5aebf5b..61d0736 100644 --- a/repair/dinode.h +++ b/repair/dinode.h @@ -113,12 +113,12 @@ void check_uncertain_aginodes(xfs_mount_t *mp, xfs_agnumber_t agno); -xfs_buf_t * -get_agino_buf(xfs_mount_t *mp, - xfs_agnumber_t agno, - xfs_agino_t agino, - xfs_dinode_t **dipp); - +struct xfs_buf * +get_agino_buf( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agino_t agino, + struct xfs_dinode **dipp); void dinode_bmbt_translation_init(void); char * get_forkname(int whichfork); From darrick.wong@oracle.com Thu Jun 16 20:43:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 87F24842D for ; Thu, 16 Jun 2016 20:43:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3A5B0304039 for ; Thu, 16 Jun 2016 18:43:55 -0700 (PDT) X-ASG-Debug-ID: 1466127831-04bdf01e1796680001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 2KFmejkd2Yojqt4z (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:43:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1ho8L023827 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:50 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hoh7011830 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:50 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hlcA013478; Fri, 17 Jun 2016 01:43:48 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:47 -0700 Subject: [PATCH 124/145] xfs_repair: check the existing refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 124/145] xfs_repair: check the existing refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:46 -0700 Message-ID: <146612782607.16048.11743925855006104394.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127832 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7168 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Spot-check the refcount btree for obvious errors, and mark the refcount btree blocks as such. Signed-off-by: Darrick J. Wong --- repair/incore.h | 3 + repair/scan.c | 185 +++++++++++++++++++++++++++++++++++++++++++++++++++ repair/xfs_repair.c | 2 + 3 files changed, 189 insertions(+), 1 deletion(-) diff --git a/repair/incore.h b/repair/incore.h index bc0810b..b6c4b4f 100644 --- a/repair/incore.h +++ b/repair/incore.h @@ -106,7 +106,8 @@ typedef struct rt_extent_tree_node { #define XR_E_INUSE_FS1 9 /* used by fs ag header or log (rmap btree) */ #define XR_E_INO1 10 /* used by inodes (marked by rmap btree) */ #define XR_E_FS_MAP1 11 /* used by fs space/inode maps (rmap btree) */ -#define XR_E_BAD_STATE 12 +#define XR_E_REFC 12 /* used by fs ag reference count btree */ +#define XR_E_BAD_STATE 13 /* separate state bit, OR'ed into high (4th) bit of ex_state field */ diff --git a/repair/scan.c b/repair/scan.c index ec41ba6..6300204 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -995,6 +995,9 @@ advance: case XFS_RMAP_OWN_INODES: set_bmap(agno, b, XR_E_INO1); break; + case XFS_RMAP_OWN_REFC: + set_bmap(agno, b, XR_E_REFC); + break; case XFS_RMAP_OWN_NULL: /* still unknown */ break; @@ -1030,6 +1033,14 @@ _("inode block (%d,%d-%d) mismatch in %s tree, state - %d,%" PRIx64 "\n"), agno, b, b + blen - 1, name, state, owner); break; + case XR_E_REFC: + if (owner == XFS_RMAP_OWN_REFC) + break; + do_warn( +_("AG refcount block (%d,%d-%d) mismatch in %s tree, state - %d,%" PRIx64 "\n"), + agno, b, b + blen - 1, + name, state, owner); + break; case XR_E_INUSE: if (owner >= 0 && owner < mp->m_sb.sb_dblocks) @@ -1148,6 +1159,167 @@ out: rmap_avoid_check(); } +static void +scan_refcbt( + struct xfs_btree_block *block, + int level, + xfs_agblock_t bno, + xfs_agnumber_t agno, + int suspect, + int isroot, + __uint32_t magic, + void *priv) +{ + const char *name = "refcount"; + int i; + xfs_refcount_ptr_t *pp; + struct xfs_refcount_rec *rp; + int hdr_errors = 0; + int numrecs; + int state; + xfs_agblock_t lastblock = 0; + + if (magic != XFS_REFC_CRC_MAGIC) { + name = "(unknown)"; + hdr_errors++; + suspect++; + goto out; + } + + if (be32_to_cpu(block->bb_magic) != magic) { + do_warn(_("bad magic # %#x in %s btree block %d/%d\n"), + be32_to_cpu(block->bb_magic), name, agno, bno); + hdr_errors++; + if (suspect) + goto out; + } + + if (be16_to_cpu(block->bb_level) != level) { + do_warn(_("expected level %d got %d in %s btree block %d/%d\n"), + level, be16_to_cpu(block->bb_level), name, agno, bno); + hdr_errors++; + if (suspect) + goto out; + } + + /* check for btree blocks multiply claimed */ + state = get_bmap(agno, bno); + if (!(state == XR_E_UNKNOWN || state == XR_E_REFC)) { + set_bmap(agno, bno, XR_E_MULT); + do_warn( +_("%s btree block claimed (state %d), agno %d, bno %d, suspect %d\n"), + name, state, agno, bno, suspect); + goto out; + } + set_bmap(agno, bno, XR_E_FS_MAP); + + numrecs = be16_to_cpu(block->bb_numrecs); + if (level == 0) { + if (numrecs > mp->m_refc_mxr[0]) { + numrecs = mp->m_refc_mxr[0]; + hdr_errors++; + } + if (isroot == 0 && numrecs < mp->m_refc_mnr[0]) { + numrecs = mp->m_refc_mnr[0]; + hdr_errors++; + } + + if (hdr_errors) { + do_warn( + _("bad btree nrecs (%u, min=%u, max=%u) in %s btree block %u/%u\n"), + be16_to_cpu(block->bb_numrecs), + mp->m_refc_mnr[0], mp->m_refc_mxr[0], + name, agno, bno); + suspect++; + } + + rp = XFS_REFCOUNT_REC_ADDR(block, 1); + for (i = 0; i < numrecs; i++) { + xfs_agblock_t b, end; + xfs_extlen_t len; + xfs_nlink_t nr; + + b = be32_to_cpu(rp[i].rc_startblock); + len = be32_to_cpu(rp[i].rc_blockcount); + nr = be32_to_cpu(rp[i].rc_refcount); + end = b + len; + + if (!verify_agbno(mp, agno, b)) { + do_warn( + _("invalid start block %u in record %u of %s btree block %u/%u\n"), + b, i, name, agno, bno); + continue; + } + if (len == 0 || !verify_agbno(mp, agno, end - 1)) { + do_warn( + _("invalid length %u in record %u of %s btree block %u/%u\n"), + len, i, name, agno, bno); + continue; + } + + if (nr < 2 || nr > MAXREFCOUNT) { + do_warn( + _("invalid reference count %u in record %u of %s btree block %u/%u\n"), + nr, i, name, agno, bno); + continue; + } + + if (b && b <= lastblock) { + do_warn(_( + "out-of-order %s btree record %d (%u %u) block %u/%u\n"), + name, i, b, len, agno, bno); + } else { + lastblock = b; + } + + /* XXX: probably want to mark the reflinked areas? */ + } + goto out; + } + + /* + * interior record + */ + pp = XFS_REFCOUNT_PTR_ADDR(block, 1, mp->m_refc_mxr[1]); + + if (numrecs > mp->m_refc_mxr[1]) { + numrecs = mp->m_refc_mxr[1]; + hdr_errors++; + } + if (isroot == 0 && numrecs < mp->m_refc_mnr[1]) { + numrecs = mp->m_refc_mnr[1]; + hdr_errors++; + } + + /* + * don't pass bogus tree flag down further if this block + * looked ok. bail out if two levels in a row look bad. + */ + if (hdr_errors) { + do_warn( + _("bad btree nrecs (%u, min=%u, max=%u) in %s btree block %u/%u\n"), + be16_to_cpu(block->bb_numrecs), + mp->m_refc_mnr[1], mp->m_refc_mxr[1], + name, agno, bno); + if (suspect) + goto out; + suspect++; + } else if (suspect) { + suspect = 0; + } + + for (i = 0; i < numrecs; i++) { + xfs_agblock_t bno = be32_to_cpu(pp[i]); + + if (bno != 0 && verify_agbno(mp, agno, bno)) { + scan_sbtree(bno, level, agno, suspect, scan_refcbt, 0, + magic, priv, &xfs_refcountbt_buf_ops); + } + } +out: + return; +} + /* * The following helpers are to help process and validate individual on-disk * inode btree records. We have two possible inode btrees with slightly @@ -1933,6 +2105,19 @@ validate_agf( } } + if (xfs_sb_version_hasreflink(&mp->m_sb)) { + bno = be32_to_cpu(agf->agf_refcount_root); + if (bno != 0 && verify_agbno(mp, agno, bno)) { + scan_sbtree(bno, + be32_to_cpu(agf->agf_refcount_level), + agno, 0, scan_refcbt, 1, XFS_REFC_CRC_MAGIC, + agcnts, &xfs_refcountbt_buf_ops); + } else { + do_warn(_("bad agbno %u for refcntbt root, agno %d\n"), + bno, agno); + } + } + if (be32_to_cpu(agf->agf_freeblks) != agcnts->agffreeblks) { do_warn(_("agf_freeblks %u, counted %u in ag %u\n"), be32_to_cpu(agf->agf_freeblks), agcnts->agffreeblks, agno); diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c index 2ecd81d..cc557f7 100644 --- a/repair/xfs_repair.c +++ b/repair/xfs_repair.c @@ -423,6 +423,8 @@ calc_mkfs(xfs_mount_t *mp) fino_bno += min(2, mp->m_rmap_maxlevels); fino_bno++; } + if (xfs_sb_version_hasreflink(&mp->m_sb)) + fino_bno++; /* * If the log is allocated in the first allocation group we need to From darrick.wong@oracle.com Thu Jun 16 20:44:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 02DB383B1 for ; Thu, 16 Jun 2016 20:44:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id B6BC6304039 for ; Thu, 16 Jun 2016 18:44:07 -0700 (PDT) X-ASG-Debug-ID: 1466127839-04bdf01e1796690001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 38qxg1B4l4Vmyr1n (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1hwKZ011492 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:58 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1hwKg016677 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:43:58 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1htJG013485; Fri, 17 Jun 2016 01:43:56 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:43:55 -0700 Subject: [PATCH 125/145] xfs_repair: handle multiple owners of data blocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 125/145] xfs_repair: handle multiple owners of data blocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:43:52 -0700 Message-ID: <146612783221.16048.14013741850074078546.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127839 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4703 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines If reflink is enabled, don't freak out if there are multiple owners of a given block; that's just a sign that each of those owners are reflink files. Signed-off-by: Darrick J. Wong --- repair/dinode.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/scan.c | 38 +++++++++++++++++++++++++++++++- 2 files changed, 103 insertions(+), 1 deletion(-) diff --git a/repair/dinode.c b/repair/dinode.c index e9b4f8f..ecba3be 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -722,6 +722,9 @@ _("Fatal error: inode %" PRIu64 " - blkmap_set_ext(): %s\n" * checking each entry without setting the * block bitmap */ + if (type == XR_INO_DATA && + xfs_sb_version_hasreflink(&mp->m_sb)) + goto skip_dup; if (search_dup_extent(agno, agbno, ebno)) { do_warn( _("%s fork in ino %" PRIu64 " claims dup extent, " @@ -731,6 +734,7 @@ _("%s fork in ino %" PRIu64 " claims dup extent, " irec.br_blockcount); goto done; } +skip_dup: *tot += irec.br_blockcount; continue; } @@ -770,6 +774,9 @@ _("%s fork in inode %" PRIu64 " claims metadata block %" PRIu64 "\n"), case XR_E_INUSE: case XR_E_MULT: set_bmap_ext(agno, agbno, blen, XR_E_MULT); + if (type == XR_INO_DATA && + xfs_sb_version_hasreflink(&mp->m_sb)) + break; do_warn( _("%s fork in %s inode %" PRIu64 " claims used block %" PRIu64 "\n"), forkname, ftype, ino, b); @@ -2475,6 +2482,65 @@ _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"), } } + /* + * check that we only have valid flags2 set, and those that are set make + * sense. + */ + if (dino->di_version >= 3) { + uint16_t flags = be16_to_cpu(dino->di_flags); + uint64_t flags2 = be64_to_cpu(dino->di_flags2); + + if (flags2 & ~XFS_DIFLAG2_ANY) { + if (!uncertain) { + do_warn( + _("Bad flags2 set in inode %" PRIu64 "\n"), + lino); + } + flags2 &= XFS_DIFLAG2_ANY; + } + + if ((flags2 & XFS_DIFLAG2_REFLINK) && + !xfs_sb_version_hasreflink(&mp->m_sb)) { + if (!uncertain) { + do_warn( + _("inode %" PRIu64 " is marked reflinked but file system does not support reflink\n"), + lino); + } + goto clear_bad_out; + } + + if (flags2 & XFS_DIFLAG2_REFLINK) { + /* must be a file */ + if (di_mode && !S_ISREG(di_mode)) { + if (!uncertain) { + do_warn( + _("reflink flag set on non-file inode %" PRIu64 "\n"), + lino); + } + goto clear_bad_out; + } + } + + if ((flags2 & XFS_DIFLAG2_REFLINK) && + (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { + if (!uncertain) { + do_warn( + _("Cannot have a reflinked realtime inode %" PRIu64 "\n"), + lino); + } + goto clear_bad_out; + } + + if (!verify_mode && flags2 != be64_to_cpu(dino->di_flags2)) { + if (!no_modify) { + do_warn(_("fixing bad flags2.\n")); + dino->di_flags2 = cpu_to_be64(flags2); + *dirty = 1; + } else + do_warn(_("would fix bad flags2.\n")); + } + } + if (verify_mode) return retval; diff --git a/repair/scan.c b/repair/scan.c index 6300204..8938341 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -790,6 +790,28 @@ struct rmap_priv { struct xfs_rmap_irec last_rec; }; +static bool +rmap_in_order( + xfs_agblock_t b, + xfs_agblock_t lastblock, + int64_t owner, + int64_t lastowner, + int64_t offset, + int64_t lastoffset) +{ + if (b > lastblock) + return true; + else if (b < lastblock) + return false; + + if (owner > lastowner) + return true; + else if (owner < lastowner) + return false; + + return offset > lastoffset; +} + static void scan_rmapbt( struct xfs_btree_block *block, @@ -947,7 +969,12 @@ advance: } else { bool bad; - bad = b <= lastblock; + if (xfs_sb_version_hasreflink(&mp->m_sb)) + bad = !rmap_in_order(b, lastblock, + owner, lastowner, + offset, lastoffset); + else + bad = b <= lastblock; if (bad) do_warn( _("out-of-order rmap btree record %d (%u %"PRId64" %"PRIx64" %u) block %u/%u\n"), @@ -1057,6 +1084,15 @@ _("in use block (%d,%d-%d) mismatch in %s tree, state - %d,%" PRIx64 "\n"), * be caught later. */ break; + case XR_E_INUSE1: + /* + * multiple inode owners are ok with + * reflink enabled + */ + if (xfs_sb_version_hasreflink(&mp->m_sb) && + !XFS_RMAP_NON_INODE_OWNER(owner)) + break; + /* fall through */ default: do_warn( _("unknown block (%d,%d-%d) mismatch on %s tree, state - %d,%" PRIx64 "\n"), From darrick.wong@oracle.com Thu Jun 16 20:44:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 852F283B1 for ; Thu, 16 Jun 2016 20:44:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 549758F804B for ; Thu, 16 Jun 2016 18:44:09 -0700 (PDT) X-ASG-Debug-ID: 1466127846-04cb6c5424584b0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id tVjhFvK0mDIm9qzo (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:06 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1i4SP024116 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:05 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1i4pu012317 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:04 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1i1hX013506; Fri, 17 Jun 2016 01:44:03 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:01 -0700 Subject: [PATCH 126/145] xfs_repair: process reverse-mapping data into refcount data From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 126/145] xfs_repair: process reverse-mapping data into refcount data To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:00 -0700 Message-ID: <146612784023.16048.7721919145713117950.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127846 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11607 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Take all the reverse-mapping data we've acquired and use it to generate reference count data. This data is used in phase 5 to rebuild the refcount btree. v2: Update to reflect separation of rmap_irec flags. Signed-off-by: Darrick J. Wong --- repair/phase4.c | 27 ++++++ repair/rmap.c | 232 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/rmap.h | 2 3 files changed, 259 insertions(+), 2 deletions(-) diff --git a/repair/phase4.c b/repair/phase4.c index 3be3786..021d51d 100644 --- a/repair/phase4.c +++ b/repair/phase4.c @@ -193,6 +193,21 @@ _("%s while checking reverse-mappings"), } static void +compute_ag_refcounts( + work_queue_t *wq, + xfs_agnumber_t agno, + void *arg) +{ + int error; + + error = compute_refcounts(wq->mp, agno); + if (error) + do_error( +_("%s while computing reference count records.\n"), + strerror(-error)); +} + +static void process_rmap_data( struct xfs_mount *mp) { @@ -206,6 +221,14 @@ process_rmap_data( for (i = 0; i < mp->m_sb.sb_agcount; i++) queue_work(&wq, check_rmap_btrees, i, NULL); destroy_work_queue(&wq); + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return; + + create_work_queue(&wq, mp, libxfs_nproc()); + for (i = 0; i < mp->m_sb.sb_agcount; i++) + queue_work(&wq, compute_ag_refcounts, i, NULL); + destroy_work_queue(&wq); } void @@ -359,7 +382,9 @@ phase4(xfs_mount_t *mp) /* * Process all the reverse-mapping data that we collected. This - * involves checking the rmap data against the btree. + * involves checking the rmap data against the btree, computing + * reference counts based on the rmap data, and checking the counts + * against the refcount btree. */ process_rmap_data(mp); diff --git a/repair/rmap.c b/repair/rmap.c index e39df5a..4da8003 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -42,6 +42,7 @@ struct xfs_ag_rmap { int ar_flcount; /* agfl entries from leftover */ /* agbt allocations */ struct xfs_rmap_irec ar_last_rmap; /* last rmap seen */ + struct xfs_slab *ar_refcount_items; /* refcount items, p4-5 */ }; static struct xfs_ag_rmap *ag_rmaps; @@ -88,7 +89,8 @@ bool needs_rmap_work( struct xfs_mount *mp) { - return xfs_sb_version_hasrmapbt(&mp->m_sb); + return xfs_sb_version_hasreflink(&mp->m_sb) || + xfs_sb_version_hasrmapbt(&mp->m_sb); } /* @@ -120,6 +122,11 @@ _("Insufficient memory while allocating reverse mapping slabs.")); do_error( _("Insufficient memory while allocating raw metadata reverse mapping slabs.")); ag_rmaps[i].ar_last_rmap.rm_owner = XFS_RMAP_OWN_UNKNOWN; + error = init_slab(&ag_rmaps[i].ar_refcount_items, + sizeof(struct xfs_refcount_irec)); + if (error) + do_error( +_("Insufficient memory while allocating refcount item slabs.")); } } @@ -138,6 +145,7 @@ free_rmaps( for (i = 0; i < mp->m_sb.sb_agcount; i++) { free_slab(&ag_rmaps[i].ar_rmaps); free_slab(&ag_rmaps[i].ar_raw_rmaps); + free_slab(&ag_rmaps[i].ar_refcount_items); } free(ag_rmaps); ag_rmaps = NULL; @@ -591,6 +599,228 @@ dump_rmap( #endif /* + * Rebuilding the Reference Count & Reverse Mapping Btrees + * + * The reference count (refcnt) and reverse mapping (rmap) btrees are rebuilt + * during phase 5, like all other AG btrees. Therefore, reverse mappings must + * be processed into reference counts at the end of phase 4, and the rmaps must + * be recorded during phase 4. There is a need to access the rmaps in physical + * block order, but no particular need for random access, so the slab.c code + * provides a big logical array (consisting of smaller slabs) and some inorder + * iterator functions. + * + * Once we've recorded all the reverse mappings, we're ready to translate the + * rmaps into refcount entries. Imagine the rmap entries as rectangles + * representing extents of physical blocks, and that the rectangles can be laid + * down to allow them to overlap each other; then we know that we must emit + * a refcnt btree entry wherever the amount of overlap changes, i.e. the + * emission stimulus is level-triggered: + * + * - --- + * -- ----- ---- --- ------ + * -- ---- ----------- ---- --------- + * -------------------------------- ----------- + * ^ ^ ^^ ^^ ^ ^^ ^^^ ^^^^ ^ ^^ ^ ^ ^ + * 2 1 23 21 3 43 234 2123 1 01 2 3 0 + * + * For our purposes, a rmap is a tuple (startblock, len, fileoff, owner). + * + * Note that in the actual refcnt btree we don't store the refcount < 2 cases + * because the bnobt tells us which blocks are free; single-use blocks aren't + * recorded in the bnobt or the refcntbt. If the rmapbt supports storing + * multiple entries covering a given block we could theoretically dispense with + * the refcntbt and simply count rmaps, but that's inefficient in the (hot) + * write path, so we'll take the cost of the extra tree to save time. Also + * there's no guarantee that rmap will be enabled. + * + * Given an array of rmaps sorted by physical block number, a starting physical + * block (sp), a bag to hold rmaps that cover sp, and the next physical + * block where the level changes (np), we can reconstruct the refcount + * btree as follows: + * + * While there are still unprocessed rmaps in the array, + * - Set sp to the physical block (pblk) of the next unprocessed rmap. + * - Add to the bag all rmaps in the array where startblock == sp. + * - Set np to the physical block where the bag size will change. + * This is the minimum of (the pblk of the next unprocessed rmap) and + * (startblock + len of each rmap in the bag). + * - Record the bag size as old_bag_size. + * + * - While the bag isn't empty, + * - Remove from the bag all rmaps where startblock + len == np. + * - Add to the bag all rmaps in the array where startblock == np. + * - If the bag size isn't old_bag_size, store the refcount entry + * (sp, np - sp, bag_size) in the refcnt btree. + * - If the bag is empty, break out of the inner loop. + * - Set old_bag_size to the bag size + * - Set sp = np. + * - Set np to the physical block where the bag size will change. + * This is the minimum of (the pblk of the next unprocessed rmap) and + * (startblock + len of each rmap in the bag). + * + * An implementation detail is that because this processing happens during + * phase 4, the refcount entries are stored in an array so that phase 5 can + * load them into the refcount btree. The rmaps can be loaded directly into + * the rmap btree during phase 5 as well. + */ + +/* + * Emit a refcount object for refcntbt reconstruction during phase 5. + */ +#define REFCOUNT_CLAMP(nr) ((nr) > MAXREFCOUNT ? MAXREFCOUNT : (nr)) +static void +refcount_emit( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + xfs_extlen_t len, + size_t nr_rmaps) +{ + struct xfs_refcount_irec rlrec; + int error; + struct xfs_slab *rlslab; + + rlslab = ag_rmaps[agno].ar_refcount_items; + ASSERT(nr_rmaps > 0); + + dbg_printf("REFL: agno=%u pblk=%u, len=%u -> refcount=%zu\n", + agno, agbno, len, nr_rmaps); + rlrec.rc_startblock = agbno; + rlrec.rc_blockcount = len; + rlrec.rc_refcount = REFCOUNT_CLAMP(nr_rmaps); + error = slab_add(rlslab, &rlrec); + if (error) + do_error( +_("Insufficient memory while recreating refcount tree.")); +} +#undef REFCOUNT_CLAMP + +/* + * Transform a pile of physical block mapping observations into refcount data + * for eventual rebuilding of the btrees. + */ +#define RMAP_END(r) ((r)->rm_startblock + (r)->rm_blockcount) +int +compute_refcounts( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_bag *stack_top = NULL; + struct xfs_slab *rmaps; + struct xfs_slab_cursor *rmaps_cur; + struct xfs_rmap_irec *array_cur; + struct xfs_rmap_irec *rmap; + xfs_agblock_t sbno; /* first bno of this rmap set */ + xfs_agblock_t cbno; /* first bno of this refcount set */ + xfs_agblock_t nbno; /* next bno where rmap set changes */ + size_t n, idx; + size_t old_stack_nr; + int error; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return 0; + + rmaps = ag_rmaps[agno].ar_rmaps; + + error = init_slab_cursor(rmaps, rmap_compare, &rmaps_cur); + if (error) + return error; + + error = init_bag(&stack_top); + if (error) + goto err; + + /* While there are rmaps to be processed... */ + n = 0; + while (n < slab_count(rmaps)) { + array_cur = peek_slab_cursor(rmaps_cur); + sbno = cbno = array_cur->rm_startblock; + /* Push all rmaps with pblk == sbno onto the stack */ + for (; + array_cur && array_cur->rm_startblock == sbno; + array_cur = peek_slab_cursor(rmaps_cur)) { + advance_slab_cursor(rmaps_cur); n++; + dump_rmap("push0", agno, array_cur); + error = bag_add(stack_top, array_cur); + if (error) + goto err; + } + + /* Set nbno to the bno of the next refcount change */ + if (n < slab_count(rmaps)) + nbno = array_cur->rm_startblock; + else + nbno = NULLAGBLOCK; + foreach_bag_ptr(stack_top, idx, rmap) { + nbno = min(nbno, RMAP_END(rmap)); + } + + /* Emit reverse mappings, if needed */ + ASSERT(nbno > sbno); + old_stack_nr = bag_count(stack_top); + + /* While stack isn't empty... */ + while (bag_count(stack_top)) { + /* Pop all rmaps that end at nbno */ + foreach_bag_ptr_reverse(stack_top, idx, rmap) { + if (RMAP_END(rmap) != nbno) + continue; + dump_rmap("pop", agno, rmap); + error = bag_remove(stack_top, idx); + if (error) + goto err; + } + + /* Push array items that start at nbno */ + for (; + array_cur && array_cur->rm_startblock == nbno; + array_cur = peek_slab_cursor(rmaps_cur)) { + advance_slab_cursor(rmaps_cur); n++; + dump_rmap("push1", agno, array_cur); + error = bag_add(stack_top, array_cur); + if (error) + goto err; + } + + /* Emit refcount if necessary */ + ASSERT(nbno > cbno); + if (bag_count(stack_top) != old_stack_nr) { + if (old_stack_nr > 1) { + refcount_emit(mp, agno, cbno, + nbno - cbno, + old_stack_nr); + } + cbno = nbno; + } + + /* Stack empty, go find the next rmap */ + if (bag_count(stack_top) == 0) + break; + old_stack_nr = bag_count(stack_top); + sbno = nbno; + + /* Set nbno to the bno of the next refcount change */ + if (n < slab_count(rmaps)) + nbno = array_cur->rm_startblock; + else + nbno = NULLAGBLOCK; + foreach_bag_ptr(stack_top, idx, rmap) { + nbno = min(nbno, RMAP_END(rmap)); + } + + /* Emit reverse mappings, if needed */ + ASSERT(nbno > sbno); + } + } +err: + free_bag(&stack_top); + free_slab_cursor(&rmaps_cur); + + return error; +} +#undef RMAP_END + +/* * Return the number of rmap objects for an AG. */ size_t diff --git a/repair/rmap.h b/repair/rmap.h index 69215e8..65f33e0 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -49,6 +49,8 @@ extern __int64_t rmap_diffkeys(struct xfs_rmap_irec *kp1, extern void rmap_high_key_from_rec(struct xfs_rmap_irec *rec, struct xfs_rmap_irec *key); +extern int compute_refcounts(struct xfs_mount *, xfs_agnumber_t); + extern void fix_freelist(struct xfs_mount *, xfs_agnumber_t, bool); extern void rmap_store_agflcount(struct xfs_mount *, xfs_agnumber_t, int); From darrick.wong@oracle.com Thu Jun 16 20:44:17 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8C7F183B1 for ; Thu, 16 Jun 2016 20:44:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5D2D38F804B for ; Thu, 16 Jun 2016 18:44:17 -0700 (PDT) X-ASG-Debug-ID: 1466127854-04cb6c5427584e0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id aH8JA7jvFFT3noXR (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:15 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1iA7o011828 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:10 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iAFP004623 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:10 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1i8at013527; Fri, 17 Jun 2016 01:44:09 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:07 -0700 Subject: [PATCH 127/145] xfs_repair: record reflink inode state From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 127/145] xfs_repair: record reflink inode state To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:06 -0700 Message-ID: <146612784645.16048.2327933728611184796.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127855 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5359 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Record the state of the per-inode reflink flag, so that we can compare against the rmap data and update the flags accordingly. Clear the (reflink) state if we clear the inode. Signed-off-by: Darrick J. Wong --- repair/dino_chunks.c | 1 + repair/dinode.c | 6 ++++++ repair/incore.h | 38 ++++++++++++++++++++++++++++++++++++++ repair/incore_ino.c | 2 ++ repair/rmap.c | 26 ++++++++++++++++++++++++++ repair/rmap.h | 2 ++ 6 files changed, 75 insertions(+) diff --git a/repair/dino_chunks.c b/repair/dino_chunks.c index 7dbaca6..4db9512 100644 --- a/repair/dino_chunks.c +++ b/repair/dino_chunks.c @@ -931,6 +931,7 @@ next_readbuf: do_warn(_("would have cleared inode %" PRIu64 "\n"), ino); } + clear_inode_was_rl(ino_rec, irec_offset); } process_next: diff --git a/repair/dinode.c b/repair/dinode.c index ecba3be..d48e415 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -2636,6 +2636,12 @@ _("bad non-zero extent size %u for non-realtime/extsize inode %" PRIu64 ", "), goto clear_bad_out; /* + * record the state of the reflink flag + */ + if (collect_rmaps) + record_inode_reflink_flag(mp, dino, agno, ino, lino); + + /* * check data fork -- if it's bad, clear the inode */ if (process_inode_data_fork(mp, agno, ino, dino, type, dirty, diff --git a/repair/incore.h b/repair/incore.h index b6c4b4f..bcd2f4b 100644 --- a/repair/incore.h +++ b/repair/incore.h @@ -283,6 +283,8 @@ typedef struct ino_tree_node { __uint64_t ir_sparse; /* sparse inode bitmask */ __uint64_t ino_confirmed; /* confirmed bitmask */ __uint64_t ino_isa_dir; /* bit == 1 if a directory */ + __uint64_t ino_was_rl; /* bit == 1 if reflink flag set */ + __uint64_t ino_is_rl; /* bit == 1 if reflink flag should be set */ __uint8_t nlink_size; union ino_nlink disk_nlinks; /* on-disk nlinks, set in P3 */ union { @@ -494,6 +496,42 @@ static inline bool is_inode_sparse(struct ino_tree_node *irec, int offset) } /* + * set/clear/test was inode marked as reflinked + */ +static inline void set_inode_was_rl(struct ino_tree_node *irec, int offset) +{ + irec->ino_was_rl |= IREC_MASK(offset); +} + +static inline void clear_inode_was_rl(struct ino_tree_node *irec, int offset) +{ + irec->ino_was_rl &= ~IREC_MASK(offset); +} + +static inline int inode_was_rl(struct ino_tree_node *irec, int offset) +{ + return (irec->ino_was_rl & IREC_MASK(offset)) != 0; +} + +/* + * set/clear/test should inode be marked as reflinked + */ +static inline void set_inode_is_rl(struct ino_tree_node *irec, int offset) +{ + irec->ino_is_rl |= IREC_MASK(offset); +} + +static inline void clear_inode_is_rl(struct ino_tree_node *irec, int offset) +{ + irec->ino_is_rl &= ~IREC_MASK(offset); +} + +static inline int inode_is_rl(struct ino_tree_node *irec, int offset) +{ + return (irec->ino_is_rl & IREC_MASK(offset)) != 0; +} + +/* * add_inode_reached() is set on inode I only if I has been reached * by an inode P claiming to be the parent and if I is a directory, * the .. link in the I says that P is I's parent. diff --git a/repair/incore_ino.c b/repair/incore_ino.c index 1898257..2ec1765 100644 --- a/repair/incore_ino.c +++ b/repair/incore_ino.c @@ -257,6 +257,8 @@ alloc_ino_node( irec->ino_startnum = starting_ino; irec->ino_confirmed = 0; irec->ino_isa_dir = 0; + irec->ino_was_rl = 0; + irec->ino_is_rl = 0; irec->ir_free = (xfs_inofree_t) - 1; irec->ir_sparse = 0; irec->ino_un.ex_data = NULL; diff --git a/repair/rmap.c b/repair/rmap.c index 4da8003..6a62665 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -1073,6 +1073,32 @@ rmap_high_key_from_rec( } /* + * Record that an inode had the reflink flag set when repair started. The + * inode reflink flag will be adjusted as necessary. + */ +void +record_inode_reflink_flag( + struct xfs_mount *mp, + struct xfs_dinode *dino, + xfs_agnumber_t agno, + xfs_agino_t ino, + xfs_ino_t lino) +{ + struct ino_tree_node *irec; + int off; + + ASSERT(XFS_AGINO_TO_INO(mp, agno, ino) == be64_to_cpu(dino->di_ino)); + if (!(be64_to_cpu(dino->di_flags2) & XFS_DIFLAG2_REFLINK)) + return; + irec = find_inode_rec(mp, agno, ino); + off = get_inode_offset(mp, lino, irec); + ASSERT(!inode_was_rl(irec, off)); + set_inode_was_rl(irec, off); + dbg_printf("set was_rl lino=%llu was=0x%llx\n", + (unsigned long long)lino, (unsigned long long)irec->ino_was_rl); +} + +/* * Regenerate the AGFL so that we don't run out of it while rebuilding the * rmap btree. If skip_rmapbt is true, don't update the rmapbt (most probably * because we're updating the rmapbt). diff --git a/repair/rmap.h b/repair/rmap.h index 65f33e0..47b2f3b 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -50,6 +50,8 @@ extern void rmap_high_key_from_rec(struct xfs_rmap_irec *rec, struct xfs_rmap_irec *key); extern int compute_refcounts(struct xfs_mount *, xfs_agnumber_t); +extern void record_inode_reflink_flag(struct xfs_mount *, struct xfs_dinode *, + xfs_agnumber_t, xfs_agino_t, xfs_ino_t); extern void fix_freelist(struct xfs_mount *, xfs_agnumber_t, bool); extern void rmap_store_agflcount(struct xfs_mount *, xfs_agnumber_t, int); From darrick.wong@oracle.com Thu Jun 16 20:44:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AB9B88383 for ; Thu, 16 Jun 2016 20:44:22 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 25F5CAC004 for ; Thu, 16 Jun 2016 18:44:22 -0700 (PDT) X-ASG-Debug-ID: 1466127859-04cbb01fef6a870001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id FJHoRAgGcPl91GzU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:19 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1iFlU011930 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:15 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iE4L004713 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:15 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iEhU031229; Fri, 17 Jun 2016 01:44:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:13 -0700 Subject: [PATCH 128/145] xfs_repair: fix inode reflink flags From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 128/145] xfs_repair: fix inode reflink flags To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:12 -0700 Message-ID: <146612785261.16048.12190820987789813213.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127859 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6323 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines While we're computing reference counts, record which inodes actually share blocks with other files and fix the flags as necessary. Signed-off-by: Darrick J. Wong --- repair/phase4.c | 20 ++++++++ repair/rmap.c | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/rmap.h | 1 3 files changed, 154 insertions(+) diff --git a/repair/phase4.c b/repair/phase4.c index 021d51d..59bb9fb 100644 --- a/repair/phase4.c +++ b/repair/phase4.c @@ -208,6 +208,21 @@ _("%s while computing reference count records.\n"), } static void +process_inode_reflink_flags( + struct work_queue *wq, + xfs_agnumber_t agno, + void *arg) +{ + int error; + + error = fix_inode_reflink_flags(wq->mp, agno); + if (error) + do_error( +_("%s while fixing inode reflink flags.\n"), + strerror(-error)); +} + +static void process_rmap_data( struct xfs_mount *mp) { @@ -229,6 +244,11 @@ process_rmap_data( for (i = 0; i < mp->m_sb.sb_agcount; i++) queue_work(&wq, compute_ag_refcounts, i, NULL); destroy_work_queue(&wq); + + create_work_queue(&wq, mp, libxfs_nproc()); + for (i = 0; i < mp->m_sb.sb_agcount; i++) + queue_work(&wq, process_inode_reflink_flags, i, NULL); + destroy_work_queue(&wq); } void diff --git a/repair/rmap.c b/repair/rmap.c index 6a62665..124173d 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -665,6 +665,39 @@ dump_rmap( */ /* + * Mark all inodes in the reverse-mapping observation stack as requiring the + * reflink inode flag, if the stack depth is greater than 1. + */ +static void +mark_inode_rl( + struct xfs_mount *mp, + struct xfs_bag *rmaps) +{ + xfs_agnumber_t iagno; + struct xfs_rmap_irec *rmap; + struct ino_tree_node *irec; + int off; + size_t idx; + xfs_agino_t ino; + + if (bag_count(rmaps) < 2) + return; + + /* Reflink flag accounting */ + foreach_bag_ptr(rmaps, idx, rmap) { + ASSERT(!XFS_RMAP_NON_INODE_OWNER(rmap->rm_owner)); + iagno = XFS_INO_TO_AGNO(mp, rmap->rm_owner); + ino = XFS_INO_TO_AGINO(mp, rmap->rm_owner); + pthread_mutex_lock(&ag_locks[iagno].lock); + irec = find_inode_rec(mp, iagno, ino); + off = get_inode_offset(mp, rmap->rm_owner, irec); + /* lock here because we might go outside this ag */ + set_inode_is_rl(irec, off); + pthread_mutex_unlock(&ag_locks[iagno].lock); + } +} + +/* * Emit a refcount object for refcntbt reconstruction during phase 5. */ #define REFCOUNT_CLAMP(nr) ((nr) > MAXREFCOUNT ? MAXREFCOUNT : (nr)) @@ -745,6 +778,7 @@ compute_refcounts( if (error) goto err; } + mark_inode_rl(mp, stack_top); /* Set nbno to the bno of the next refcount change */ if (n < slab_count(rmaps)) @@ -781,6 +815,7 @@ compute_refcounts( if (error) goto err; } + mark_inode_rl(mp, stack_top); /* Emit refcount if necessary */ ASSERT(nbno > cbno); @@ -1099,6 +1134,104 @@ record_inode_reflink_flag( } /* + * Fix an inode's reflink flag. + */ +static int +fix_inode_reflink_flag( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agino_t agino, + bool set) +{ + struct xfs_dinode *dino; + struct xfs_buf *buf; + + if (set) + do_warn( +_("setting reflink flag on inode %"PRIu64"\n"), + XFS_AGINO_TO_INO(mp, agno, agino)); + else if (!no_modify) /* && !set */ + do_warn( +_("clearing reflink flag on inode %"PRIu64"\n"), + XFS_AGINO_TO_INO(mp, agno, agino)); + if (no_modify) + return 0; + + buf = get_agino_buf(mp, agno, agino, &dino); + if (!buf) + return 1; + ASSERT(XFS_AGINO_TO_INO(mp, agno, agino) == be64_to_cpu(dino->di_ino)); + if (set) + dino->di_flags2 |= cpu_to_be64(XFS_DIFLAG2_REFLINK); + else + dino->di_flags2 &= cpu_to_be64(~XFS_DIFLAG2_REFLINK); + libxfs_dinode_calc_crc(mp, dino); + libxfs_writebuf(buf, 0); + + return 0; +} + +/* + * Fix discrepancies between the state of the inode reflink flag and our + * observations as to whether or not the inode really needs it. + */ +int +fix_inode_reflink_flags( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct ino_tree_node *irec; + int bit; + __uint64_t was; + __uint64_t is; + __uint64_t diff; + __uint64_t mask; + int error = 0; + xfs_agino_t agino; + + /* + * Update the reflink flag for any inode where there's a discrepancy + * between the inode flag and whether or not we found any reflinked + * extents. + */ + for (irec = findfirst_inode_rec(agno); + irec != NULL; + irec = next_ino_rec(irec)) { + ASSERT((irec->ino_was_rl & irec->ir_free) == 0); + ASSERT((irec->ino_is_rl & irec->ir_free) == 0); + was = irec->ino_was_rl; + is = irec->ino_is_rl; + if (was == is) + continue; + diff = was ^ is; + dbg_printf("mismatch ino=%llu was=0x%lx is=0x%lx dif=0x%lx\n", + (unsigned long long)XFS_AGINO_TO_INO(mp, agno, + irec->ino_startnum), + was, is, diff); + + for (bit = 0, mask = 1; bit < 64; bit++, mask <<= 1) { + agino = bit + irec->ino_startnum; + if (!(diff & mask)) + continue; + else if (was & mask) + error = fix_inode_reflink_flag(mp, agno, agino, + false); + else if (is & mask) + error = fix_inode_reflink_flag(mp, agno, agino, + true); + else + ASSERT(0); + if (error) + do_error( +_("Unable to fix reflink flag on inode %"PRIu64".\n"), + XFS_AGINO_TO_INO(mp, agno, agino)); + } + } + + return error; +} + +/* * Regenerate the AGFL so that we don't run out of it while rebuilding the * rmap btree. If skip_rmapbt is true, don't update the rmapbt (most probably * because we're updating the rmapbt). diff --git a/repair/rmap.h b/repair/rmap.h index 47b2f3b..d6d360f 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -52,6 +52,7 @@ extern void rmap_high_key_from_rec(struct xfs_rmap_irec *rec, extern int compute_refcounts(struct xfs_mount *, xfs_agnumber_t); extern void record_inode_reflink_flag(struct xfs_mount *, struct xfs_dinode *, xfs_agnumber_t, xfs_agino_t, xfs_ino_t); +extern int fix_inode_reflink_flags(struct xfs_mount *, xfs_agnumber_t); extern void fix_freelist(struct xfs_mount *, xfs_agnumber_t, bool); extern void rmap_store_agflcount(struct xfs_mount *, xfs_agnumber_t, int); From darrick.wong@oracle.com Thu Jun 16 20:44:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8849A8458 for ; Thu, 16 Jun 2016 20:44:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4C335304039 for ; Thu, 16 Jun 2016 18:44:33 -0700 (PDT) X-ASG-Debug-ID: 1466127870-04cbb01fef6a8a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 6n2IlHRwMq7H7h3n (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1iSQG024394 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:29 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iSh0012877 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:28 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1iRhk003624; Fri, 17 Jun 2016 01:44:28 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:27 -0700 Subject: [PATCH 130/145] xfs_repair: rebuild the refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 130/145] xfs_repair: rebuild the refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:26 -0700 Message-ID: <146612786622.16048.8969386185247411464.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127870 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11463 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Rebuild the refcount btree with the reference count data we assembled during phase 4. Signed-off-by: Darrick J. Wong --- repair/phase5.c | 316 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 314 insertions(+), 2 deletions(-) diff --git a/repair/phase5.c b/repair/phase5.c index db84440..5018191 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -1691,6 +1691,297 @@ _("Insufficient memory to construct reverse-map cursor.")); free_slab_cursor(&rmap_cur); } +/* rebuild the refcount tree */ + +/* + * we don't have to worry here about how chewing up free extents + * may perturb things because reflink tree building happens before + * freespace tree building. + */ +static void +init_refc_cursor( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct bt_status *btree_curs) +{ + size_t num_recs; + int level; + struct bt_stat_level *lptr; + struct bt_stat_level *p_lptr; + xfs_extlen_t blocks_allocated; + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) { + memset(btree_curs, 0, sizeof(struct bt_status)); + return; + } + + lptr = &btree_curs->level[0]; + btree_curs->init = 1; + btree_curs->owner = XFS_RMAP_OWN_REFC; + + /* + * build up statistics + */ + num_recs = refcount_record_count(mp, agno); + if (num_recs == 0) { + /* + * easy corner-case -- no refcount records + */ + lptr->num_blocks = 1; + lptr->modulo = 0; + lptr->num_recs_pb = 0; + lptr->num_recs_tot = 0; + + btree_curs->num_levels = 1; + btree_curs->num_tot_blocks = btree_curs->num_free_blocks = 1; + + setup_cursor(mp, agno, btree_curs); + + return; + } + + blocks_allocated = lptr->num_blocks = howmany(num_recs, + mp->m_refc_mxr[0]); + + lptr->modulo = num_recs % lptr->num_blocks; + lptr->num_recs_pb = num_recs / lptr->num_blocks; + lptr->num_recs_tot = num_recs; + level = 1; + + if (lptr->num_blocks > 1) { + for (; btree_curs->level[level-1].num_blocks > 1 + && level < XFS_BTREE_MAXLEVELS; + level++) { + lptr = &btree_curs->level[level]; + p_lptr = &btree_curs->level[level - 1]; + lptr->num_blocks = howmany(p_lptr->num_blocks, + mp->m_refc_mxr[1]); + lptr->modulo = p_lptr->num_blocks % lptr->num_blocks; + lptr->num_recs_pb = p_lptr->num_blocks + / lptr->num_blocks; + lptr->num_recs_tot = p_lptr->num_blocks; + + blocks_allocated += lptr->num_blocks; + } + } + ASSERT(lptr->num_blocks == 1); + btree_curs->num_levels = level; + + btree_curs->num_tot_blocks = btree_curs->num_free_blocks + = blocks_allocated; + + setup_cursor(mp, agno, btree_curs); +} + +static void +prop_refc_cursor( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct bt_status *btree_curs, + xfs_agblock_t startbno, + int level) +{ + struct xfs_btree_block *bt_hdr; + struct xfs_refcount_key *bt_key; + xfs_refcount_ptr_t *bt_ptr; + xfs_agblock_t agbno; + struct bt_stat_level *lptr; + + level++; + + if (level >= btree_curs->num_levels) + return; + + lptr = &btree_curs->level[level]; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + + if (be16_to_cpu(bt_hdr->bb_numrecs) == 0) { + /* + * this only happens once to initialize the + * first path up the left side of the tree + * where the agbno's are already set up + */ + prop_refc_cursor(mp, agno, btree_curs, startbno, level); + } + + if (be16_to_cpu(bt_hdr->bb_numrecs) == + lptr->num_recs_pb + (lptr->modulo > 0)) { + /* + * write out current prev block, grab us a new block, + * and set the rightsib pointer of current block + */ +#ifdef XR_BLD_INO_TRACE + fprintf(stderr, " ino prop agbno %d ", lptr->prev_agbno); +#endif + if (lptr->prev_agbno != NULLAGBLOCK) { + ASSERT(lptr->prev_buf_p != NULL); + libxfs_writebuf(lptr->prev_buf_p, 0); + } + lptr->prev_agbno = lptr->agbno; + lptr->prev_buf_p = lptr->buf_p; + agbno = get_next_blockaddr(agno, level, btree_curs); + + bt_hdr->bb_u.s.bb_rightsib = cpu_to_be32(agbno); + + lptr->buf_p = libxfs_getbuf(mp->m_dev, + XFS_AGB_TO_DADDR(mp, agno, agbno), + XFS_FSB_TO_BB(mp, 1)); + lptr->agbno = agbno; + + if (lptr->modulo) + lptr->modulo--; + + /* + * initialize block header + */ + lptr->buf_p->b_ops = &xfs_refcountbt_buf_ops; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + memset(bt_hdr, 0, mp->m_sb.sb_blocksize); + xfs_btree_init_block(mp, lptr->buf_p, XFS_REFC_CRC_MAGIC, + level, 0, agno, + XFS_BTREE_CRC_BLOCKS); + + bt_hdr->bb_u.s.bb_leftsib = cpu_to_be32(lptr->prev_agbno); + + /* + * propagate extent record for first extent in new block up + */ + prop_refc_cursor(mp, agno, btree_curs, startbno, level); + } + /* + * add inode info to current block + */ + be16_add_cpu(&bt_hdr->bb_numrecs, 1); + + bt_key = XFS_REFCOUNT_KEY_ADDR(bt_hdr, + be16_to_cpu(bt_hdr->bb_numrecs)); + bt_ptr = XFS_REFCOUNT_PTR_ADDR(bt_hdr, + be16_to_cpu(bt_hdr->bb_numrecs), + mp->m_refc_mxr[1]); + + bt_key->rc_startblock = cpu_to_be32(startbno); + *bt_ptr = cpu_to_be32(btree_curs->level[level-1].agbno); +} + +/* + * rebuilds a refcount btree given a cursor. + */ +static void +build_refcount_tree( + struct xfs_mount *mp, + xfs_agnumber_t agno, + struct bt_status *btree_curs) +{ + xfs_agnumber_t i; + xfs_agblock_t j; + xfs_agblock_t agbno; + struct xfs_btree_block *bt_hdr; + struct xfs_refcount_irec *refc_rec; + struct xfs_slab_cursor *refc_cur; + struct xfs_refcount_rec *bt_rec; + struct bt_stat_level *lptr; + int level = btree_curs->num_levels; + int error; + + for (i = 0; i < level; i++) { + lptr = &btree_curs->level[i]; + + agbno = get_next_blockaddr(agno, i, btree_curs); + lptr->buf_p = libxfs_getbuf(mp->m_dev, + XFS_AGB_TO_DADDR(mp, agno, agbno), + XFS_FSB_TO_BB(mp, 1)); + + if (i == btree_curs->num_levels - 1) + btree_curs->root = agbno; + + lptr->agbno = agbno; + lptr->prev_agbno = NULLAGBLOCK; + lptr->prev_buf_p = NULL; + /* + * initialize block header + */ + + lptr->buf_p->b_ops = &xfs_refcountbt_buf_ops; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + memset(bt_hdr, 0, mp->m_sb.sb_blocksize); + xfs_btree_init_block(mp, lptr->buf_p, XFS_REFC_CRC_MAGIC, + i, 0, agno, + XFS_BTREE_CRC_BLOCKS); + } + + /* + * run along leaf, setting up records. as we have to switch + * blocks, call the prop_refc_cursor routine to set up the new + * pointers for the parent. that can recurse up to the root + * if required. set the sibling pointers for leaf level here. + */ + error = init_refcount_cursor(agno, &refc_cur); + if (error) + do_error( +_("Insufficient memory to construct refcount cursor.")); + refc_rec = pop_slab_cursor(refc_cur); + lptr = &btree_curs->level[0]; + + for (i = 0; i < lptr->num_blocks; i++) { + /* + * block initialization, lay in block header + */ + lptr->buf_p->b_ops = &xfs_refcountbt_buf_ops; + bt_hdr = XFS_BUF_TO_BLOCK(lptr->buf_p); + memset(bt_hdr, 0, mp->m_sb.sb_blocksize); + xfs_btree_init_block(mp, lptr->buf_p, XFS_REFC_CRC_MAGIC, + 0, 0, agno, + XFS_BTREE_CRC_BLOCKS); + + bt_hdr->bb_u.s.bb_leftsib = cpu_to_be32(lptr->prev_agbno); + bt_hdr->bb_numrecs = cpu_to_be16(lptr->num_recs_pb + + (lptr->modulo > 0)); + + if (lptr->modulo > 0) + lptr->modulo--; + + if (lptr->num_recs_pb > 0) + prop_refc_cursor(mp, agno, btree_curs, + refc_rec->rc_startblock, 0); + + bt_rec = (struct xfs_refcount_rec *) + ((char *)bt_hdr + XFS_REFCOUNT_BLOCK_LEN); + for (j = 0; j < be16_to_cpu(bt_hdr->bb_numrecs); j++) { + ASSERT(refc_rec != NULL); + bt_rec[j].rc_startblock = + cpu_to_be32(refc_rec->rc_startblock); + bt_rec[j].rc_blockcount = + cpu_to_be32(refc_rec->rc_blockcount); + bt_rec[j].rc_refcount = cpu_to_be32(refc_rec->rc_refcount); + + refc_rec = pop_slab_cursor(refc_cur); + } + + if (refc_rec != NULL) { + /* + * get next leaf level block + */ + if (lptr->prev_buf_p != NULL) { +#ifdef XR_BLD_RL_TRACE + fprintf(stderr, "writing refcntbt agbno %u\n", + lptr->prev_agbno); +#endif + ASSERT(lptr->prev_agbno != NULLAGBLOCK); + libxfs_writebuf(lptr->prev_buf_p, 0); + } + lptr->prev_buf_p = lptr->buf_p; + lptr->prev_agbno = lptr->agbno; + lptr->agbno = get_next_blockaddr(agno, 0, btree_curs); + bt_hdr->bb_u.s.bb_rightsib = cpu_to_be32(lptr->agbno); + + lptr->buf_p = libxfs_getbuf(mp->m_dev, + XFS_AGB_TO_DADDR(mp, agno, lptr->agbno), + XFS_FSB_TO_BB(mp, 1)); + } + } + free_slab_cursor(&refc_cur); +} + /* * build both the agf and the agfl for an agno given both * btree cursors. @@ -1705,7 +1996,8 @@ build_agf_agfl( struct bt_status *bcnt_bt, xfs_extlen_t freeblks, /* # free blocks in tree */ int lostblocks, /* # blocks that will be lost */ - struct bt_status *rmap_bt) + struct bt_status *rmap_bt, + struct bt_status *refcnt_bt) { struct extent_tree_node *ext_ptr; struct xfs_buf *agf_buf, *agfl_buf; @@ -1747,6 +2039,8 @@ build_agf_agfl( agf->agf_roots[XFS_BTNUM_RMAP] = cpu_to_be32(rmap_bt->root); agf->agf_levels[XFS_BTNUM_RMAP] = cpu_to_be32(rmap_bt->num_levels); agf->agf_freeblks = cpu_to_be32(freeblks); + agf->agf_refcount_root = cpu_to_be32(refcnt_bt->root); + agf->agf_refcount_level = cpu_to_be32(refcnt_bt->num_levels); /* * Count and record the number of btree blocks consumed if required. @@ -1864,6 +2158,10 @@ build_agf_agfl( ASSERT(be32_to_cpu(agf->agf_roots[XFS_BTNUM_BNOi]) != be32_to_cpu(agf->agf_roots[XFS_BTNUM_CNTi])); + ASSERT(be32_to_cpu(agf->agf_refcount_root) != + be32_to_cpu(agf->agf_roots[XFS_BTNUM_BNOi])); + ASSERT(be32_to_cpu(agf->agf_refcount_root) != + be32_to_cpu(agf->agf_roots[XFS_BTNUM_CNTi])); libxfs_writebuf(agf_buf, 0); @@ -1933,6 +2231,7 @@ phase5_func( bt_status_t ino_btree_curs; bt_status_t fino_btree_curs; bt_status_t rmap_btree_curs; + bt_status_t refcnt_btree_curs; int extra_blocks = 0; uint num_freeblocks; xfs_extlen_t freeblks1; @@ -1995,6 +2294,12 @@ phase5_func( */ init_rmapbt_cursor(mp, agno, &rmap_btree_curs); + /* + * Set up the btree cursors for the on-disk refcount btrees, + * which includes pre-allocating all required blocks. + */ + init_refc_cursor(mp, agno, &refcnt_btree_curs); + num_extents = count_bno_extents_blocks(agno, &num_freeblocks); /* * lose two blocks per AG -- the space tree roots @@ -2088,12 +2393,17 @@ phase5_func( rmap_btree_curs.num_free_blocks) - 1; } + if (xfs_sb_version_hasreflink(&mp->m_sb)) { + build_refcount_tree(mp, agno, &refcnt_btree_curs); + write_cursor(&refcnt_btree_curs); + } + /* * set up agf and agfl */ build_agf_agfl(mp, agno, &bno_btree_curs, &bcnt_btree_curs, freeblks1, extra_blocks, - &rmap_btree_curs); + &rmap_btree_curs, &refcnt_btree_curs); /* * build inode allocation tree. */ @@ -2124,6 +2434,8 @@ phase5_func( finish_cursor(&ino_btree_curs); if (xfs_sb_version_hasrmapbt(&mp->m_sb)) finish_cursor(&rmap_btree_curs); + if (xfs_sb_version_hasreflink(&mp->m_sb)) + finish_cursor(&refcnt_btree_curs); if (xfs_sb_version_hasfinobt(&mp->m_sb)) finish_cursor(&fino_btree_curs); finish_cursor(&bcnt_btree_curs); From darrick.wong@oracle.com Thu Jun 16 20:44:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B349C845C for ; Thu, 16 Jun 2016 20:44:43 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 49DF7AC001 for ; Thu, 16 Jun 2016 18:44:43 -0700 (PDT) X-ASG-Debug-ID: 1466127876-04bdf01e1596710001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 0NMoCqkCFCSdmC0I (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:38 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1iNKM012062 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:23 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iMYI012778 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:23 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iLKS025846; Fri, 17 Jun 2016 01:44:22 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:21 -0700 Subject: [PATCH 129/145] xfs_repair: check the refcount btree against our observed reference counts when -n From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 129/145] xfs_repair: check the refcount btree against our observed reference counts when -n To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:18 -0700 Message-ID: <146612785877.16048.4642751275301910078.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127878 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6291 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Check the observed reference counts against whatever's in the refcount btree for discrepancies. Signed-off-by: Darrick J. Wong --- repair/phase4.c | 20 +++++++++ repair/rmap.c | 126 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ repair/rmap.h | 5 ++ repair/scan.c | 3 + 4 files changed, 154 insertions(+) diff --git a/repair/phase4.c b/repair/phase4.c index 59bb9fb..9f4e0d0 100644 --- a/repair/phase4.c +++ b/repair/phase4.c @@ -223,6 +223,21 @@ _("%s while fixing inode reflink flags.\n"), } static void +check_refcount_btrees( + work_queue_t *wq, + xfs_agnumber_t agno, + void *arg) +{ + int error; + + error = check_refcounts(wq->mp, agno); + if (error) + do_error( +_("%s while checking reference counts"), + strerror(-error)); +} + +static void process_rmap_data( struct xfs_mount *mp) { @@ -249,6 +264,11 @@ process_rmap_data( for (i = 0; i < mp->m_sb.sb_agcount; i++) queue_work(&wq, process_inode_reflink_flags, i, NULL); destroy_work_queue(&wq); + + create_work_queue(&wq, mp, libxfs_nproc()); + for (i = 0; i < mp->m_sb.sb_agcount; i++) + queue_work(&wq, check_refcount_btrees, i, NULL); + destroy_work_queue(&wq); } void diff --git a/repair/rmap.c b/repair/rmap.c index 124173d..5c0e015 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -47,6 +47,7 @@ struct xfs_ag_rmap { static struct xfs_ag_rmap *ag_rmaps; static bool rmapbt_suspect; +static bool refcbt_suspect; /* * Compare rmap observations for array sorting. @@ -1232,6 +1233,131 @@ _("Unable to fix reflink flag on inode %"PRIu64".\n"), } /* + * Return the number of refcount objects for an AG. + */ +size_t +refcount_record_count( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return slab_count(ag_rmaps[agno].ar_refcount_items); +} + +/* + * Return a slab cursor that will return refcount objects in order. + */ +int +init_refcount_cursor( + xfs_agnumber_t agno, + struct xfs_slab_cursor **cur) +{ + return init_slab_cursor(ag_rmaps[agno].ar_refcount_items, NULL, cur); +} + +/* + * Disable the refcount btree check. + */ +void +refcount_avoid_check(void) +{ + refcbt_suspect = true; +} + +/* + * Compare the observed reference counts against what's in the ag btree. + */ +int +check_refcounts( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_slab_cursor *rl_cur; + struct xfs_btree_cur *bt_cur = NULL; + int error; + int have; + int i; + struct xfs_buf *agbp = NULL; + struct xfs_refcount_irec *rl_rec; + struct xfs_refcount_irec tmp; + struct xfs_perag *pag; /* per allocation group data */ + + if (!xfs_sb_version_hasreflink(&mp->m_sb)) + return 0; + if (refcbt_suspect) { + if (no_modify && agno == 0) + do_warn(_("would rebuild corrupt refcount btrees.\n")); + return 0; + } + + /* Create cursors to refcount structures */ + error = init_refcount_cursor(agno, &rl_cur); + if (error) + return error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + goto err; + + /* Leave the per-ag data "uninitialized" since we rewrite it later */ + pag = xfs_perag_get(mp, agno); + pag->pagf_init = 0; + xfs_perag_put(pag); + + bt_cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); + if (!bt_cur) { + error = -ENOMEM; + goto err; + } + + rl_rec = pop_slab_cursor(rl_cur); + while (rl_rec) { + /* Look for a refcount record in the btree */ + error = xfs_refcountbt_lookup_le(bt_cur, + rl_rec->rc_startblock, &have); + if (error) + goto err; + if (!have) { + do_warn( +_("Missing reference count record for (%u/%u) len %u count %u\n"), + agno, rl_rec->rc_startblock, + rl_rec->rc_blockcount, rl_rec->rc_refcount); + goto next_loop; + } + + error = xfs_refcountbt_get_rec(bt_cur, &tmp, &i); + if (error) + goto err; + if (!i) { + do_warn( +_("Missing reference count record for (%u/%u) len %u count %u\n"), + agno, rl_rec->rc_startblock, + rl_rec->rc_blockcount, rl_rec->rc_refcount); + goto next_loop; + } + + /* Compare each refcount observation against the btree's */ + if (tmp.rc_startblock != rl_rec->rc_startblock || + tmp.rc_blockcount < rl_rec->rc_blockcount || + tmp.rc_refcount < rl_rec->rc_refcount) + do_warn( +_("Incorrect reference count: saw (%u/%u) len %u nlinks %u; should be (%u/%u) len %u nlinks %u\n"), + agno, tmp.rc_startblock, tmp.rc_blockcount, + tmp.rc_refcount, agno, rl_rec->rc_startblock, + rl_rec->rc_blockcount, rl_rec->rc_refcount); +next_loop: + rl_rec = pop_slab_cursor(rl_cur); + } + +err: + if (bt_cur) + xfs_btree_del_cursor(bt_cur, XFS_BTREE_NOERROR); + if (agbp) + libxfs_putbuf(agbp); + free_slab_cursor(&rl_cur); + return 0; +} + +/* * Regenerate the AGFL so that we don't run out of it while rebuilding the * rmap btree. If skip_rmapbt is true, don't update the rmapbt (most probably * because we're updating the rmapbt). diff --git a/repair/rmap.h b/repair/rmap.h index d6d360f..d26c259 100644 --- a/repair/rmap.h +++ b/repair/rmap.h @@ -50,6 +50,11 @@ extern void rmap_high_key_from_rec(struct xfs_rmap_irec *rec, struct xfs_rmap_irec *key); extern int compute_refcounts(struct xfs_mount *, xfs_agnumber_t); +extern size_t refcount_record_count(struct xfs_mount *, xfs_agnumber_t); +extern int init_refcount_cursor(xfs_agnumber_t, struct xfs_slab_cursor **); +extern void refcount_avoid_check(void); +extern int check_refcounts(struct xfs_mount *, xfs_agnumber_t); + extern void record_inode_reflink_flag(struct xfs_mount *, struct xfs_dinode *, xfs_agnumber_t, xfs_agino_t, xfs_ino_t); extern int fix_inode_reflink_flags(struct xfs_mount *, xfs_agnumber_t); diff --git a/repair/scan.c b/repair/scan.c index 8938341..4e78335 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -1353,6 +1353,8 @@ _("%s btree block claimed (state %d), agno %d, bno %d, suspect %d\n"), } } out: + if (suspect) + refcount_avoid_check(); return; } @@ -2151,6 +2153,7 @@ validate_agf( } else { do_warn(_("bad agbno %u for refcntbt root, agno %d\n"), bno, agno); + refcount_avoid_check(); } } From darrick.wong@oracle.com Thu Jun 16 20:44:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AAA65846A for ; Thu, 16 Jun 2016 20:44:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 72E738F8050 for ; Thu, 16 Jun 2016 18:44:47 -0700 (PDT) X-ASG-Debug-ID: 1466127885-04cb6c542458540001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id m6plnk4s8txckiGS (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:46 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1if2X012259 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:41 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ifTg017848 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:41 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iecO025891; Fri, 17 Jun 2016 01:44:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:39 -0700 Subject: [PATCH 132/145] xfs_repair: check the CoW extent size hint From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 132/145] xfs_repair: check the CoW extent size hint To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:38 -0700 Message-ID: <146612787853.16048.11239305835199080494.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127885 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2405 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- repair/dinode.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/repair/dinode.c b/repair/dinode.c index d48e415..9973f3e 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -2531,6 +2531,38 @@ _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"), goto clear_bad_out; } + if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && + !xfs_sb_version_hasreflink(&mp->m_sb)) { + if (!uncertain) { + do_warn( + _("inode %" PRIu64 " has CoW extent size hint but file system does not support reflink\n"), + lino); + } + flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; + } + + if (flags2 & XFS_DIFLAG2_COWEXTSIZE) { + /* must be a directory or file */ + if (di_mode && !S_ISDIR(di_mode) && !S_ISREG(di_mode)) { + if (!uncertain) { + do_warn( + _("CoW extent size flag set on non-file, non-directory inode %" PRIu64 "\n" ), + lino); + } + flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; + } + } + + if ((flags2 & XFS_DIFLAG2_COWEXTSIZE) && + (flags & (XFS_DIFLAG_REALTIME | XFS_DIFLAG_RTINHERIT))) { + if (!uncertain) { + do_warn( + _("Cannot have CoW extent size hint on a realtime inode %" PRIu64 "\n"), + lino); + } + flags2 &= ~XFS_DIFLAG2_COWEXTSIZE; + } + if (!verify_mode && flags2 != be64_to_cpu(dino->di_flags2)) { if (!no_modify) { do_warn(_("fixing bad flags2.\n")); @@ -2624,6 +2656,29 @@ _("bad non-zero extent size %u for non-realtime/extsize inode %" PRIu64 ", "), } /* + * Only (regular files and directories) with COWEXTSIZE flags + * set can have extsize set. + */ + if (dino->di_version >= 3 && + be32_to_cpu(dino->di_cowextsize) != 0) { + if ((type == XR_INO_DIR || type == XR_INO_DATA) && + (be64_to_cpu(dino->di_flags2) & + XFS_DIFLAG2_COWEXTSIZE)) { + /* s'okay */ ; + } else { + do_warn( +_("Cannot have non-zero CoW extent size %u on non-cowextsize inode %" PRIu64 ", "), + be32_to_cpu(dino->di_cowextsize), lino); + if (!no_modify) { + do_warn(_("resetting to zero\n")); + dino->di_cowextsize = 0; + *dirty = 1; + } else + do_warn(_("would reset to zero\n")); + } + } + + /* * general size/consistency checks: */ if (process_check_inode_sizes(mp, dino, lino, type) != 0) From darrick.wong@oracle.com Thu Jun 16 20:44:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C44748436 for ; Thu, 16 Jun 2016 20:44:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 738EE8F8050 for ; Thu, 16 Jun 2016 18:44:52 -0700 (PDT) X-ASG-Debug-ID: 1466127888-04bdf01e1596730001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id nc8bBBEcObl3w2eO (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:49 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1iZmg024450 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:35 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iYXe017722 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:34 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iYVv031364; Fri, 17 Jun 2016 01:44:34 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:33 -0700 Subject: [PATCH 131/145] xfs_repair: complain about copy-on-write leftovers From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 131/145] xfs_repair: complain about copy-on-write leftovers To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:32 -0700 Message-ID: <146612787245.16048.8651678769147816626.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127889 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3440 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Complain about leftover CoW allocations that are hanging off the refcount btree. These are cleaned out at mount time, but we could be louder about flagging down evidence of trouble. Since these extents aren't "owned" by anything, we'll free them up by reconstructing the free space btrees. Signed-off-by: Darrick J. Wong --- db/check.c | 21 +++++++++++++++++---- repair/incore.h | 3 ++- repair/scan.c | 25 ++++++++++++++++++++++++- 3 files changed, 43 insertions(+), 6 deletions(-) diff --git a/db/check.c b/db/check.c index 3b17585..841a605 100644 --- a/db/check.c +++ b/db/check.c @@ -45,7 +45,7 @@ typedef enum { DBM_LOG, DBM_MISSING, DBM_QUOTA, DBM_RTBITMAP, DBM_RTDATA, DBM_RTFREE, DBM_RTSUM, DBM_SB, DBM_SYMLINK, DBM_BTFINO, DBM_BTRMAP, DBM_BTREFC, - DBM_RLDATA, + DBM_RLDATA, DBM_COWDATA, DBM_NDBM } dbm_t; @@ -4821,9 +4821,22 @@ scanfunc_refcnt( rp = XFS_REFCOUNT_REC_ADDR(block, 1); lastblock = 0; for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { - set_dbmap(seqno, be32_to_cpu(rp[i].rc_startblock), - be32_to_cpu(rp[i].rc_blockcount), DBM_RLDATA, - seqno, bno); + if (be32_to_cpu(rp[i].rc_refcount) == 1) { + dbprintf(_( + "leftover CoW extent (%u/%u) len %u\n"), + seqno, + be32_to_cpu(rp[i].rc_startblock), + be32_to_cpu(rp[i].rc_blockcount)); + set_dbmap(seqno, + be32_to_cpu(rp[i].rc_startblock), + be32_to_cpu(rp[i].rc_blockcount), + DBM_COWDATA, seqno, bno); + } else { + set_dbmap(seqno, + be32_to_cpu(rp[i].rc_startblock), + be32_to_cpu(rp[i].rc_blockcount), + DBM_RLDATA, seqno, bno); + } if (be32_to_cpu(rp[i].rc_startblock) < lastblock) { dbprintf(_( "out-of-order refcnt btree record %d (%u %u) block %u/%u\n"), diff --git a/repair/incore.h b/repair/incore.h index bcd2f4b..c23a3a3 100644 --- a/repair/incore.h +++ b/repair/incore.h @@ -107,7 +107,8 @@ typedef struct rt_extent_tree_node { #define XR_E_INO1 10 /* used by inodes (marked by rmap btree) */ #define XR_E_FS_MAP1 11 /* used by fs space/inode maps (rmap btree) */ #define XR_E_REFC 12 /* used by fs ag reference count btree */ -#define XR_E_BAD_STATE 13 +#define XR_E_COW 13 /* leftover cow extent */ +#define XR_E_BAD_STATE 14 /* separate state bit, OR'ed into high (4th) bit of ex_state field */ diff --git a/repair/scan.c b/repair/scan.c index 4e78335..1c2afb6 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -1293,7 +1293,30 @@ _("%s btree block claimed (state %d), agno %d, bno %d, suspect %d\n"), continue; } - if (nr < 2 || nr > MAXREFCOUNT) { + if (nr == 1) { + xfs_agblock_t c; + xfs_extlen_t cnr; + + for (c = b; c < end; c += cnr) { + state = get_bmap_ext(agno, c, end, &cnr); + switch (state) { + case XR_E_COW: + break; + case XR_E_UNKNOWN: + do_warn( +_("leftover CoW extent (%u/%u) len %u\n"), + agno, c, cnr); + set_bmap_ext(agno, c, cnr, XR_E_FREE); + break; + default: + do_warn( +_("extent (%u/%u) len %u claimed, state is %d\n"), + agno, c, cnr, state); + set_bmap_ext(agno, c, cnr, XR_E_FREE); + break; + } + } + } else if (nr < 2 || nr > MAXREFCOUNT) { do_warn( _("invalid reference count %u in record %u of %s btree block %u/%u\n"), nr, i, name, agno, bno); From darrick.wong@oracle.com Thu Jun 16 20:44:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B68178474 for ; Thu, 16 Jun 2016 20:44:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2A8A0AC001 for ; Thu, 16 Jun 2016 18:44:56 -0700 (PDT) X-ASG-Debug-ID: 1466127893-04cbb01fef6a910001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ees1io5VaHKZ0r7u (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:54 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1in99012310 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:49 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1im6k013242 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:49 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ikmK013727; Fri, 17 Jun 2016 01:44:47 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:45 -0700 Subject: [PATCH 133/145] xfs_repair: use range query when while checking rmaps From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 133/145] xfs_repair: use range query when while checking rmaps To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:44 -0700 Message-ID: <146612788463.16048.1497238555000280268.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127894 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2180 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines For shared extents, we ought to use a range query on the rmapbt to find the corresponding rmap. However, most of the time the observed rmap will be an exact match for the rmapbt rmap, in which case we could have used the (much faster) regular lookup. Therefore, try the regular lookup first and resort to the range lookup if that doesn't get us what we want. This can cut the run time of the rmap check of xfs_repair in half. Theoretically, the only reason why an observed rmap wouldn't be an exact match for an rmapbt rmap is because we modified some file on account of a metadata error. Signed-off-by: Darrick J. Wong --- repair/rmap.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/repair/rmap.c b/repair/rmap.c index 5c0e015..1b89d4c 100644 --- a/repair/rmap.c +++ b/repair/rmap.c @@ -909,6 +909,20 @@ lookup_rmap( return xfs_rmap_get_rec(bt_cur, tmp, have); } +/* Look for an rmap in the rmapbt that matches a given rmap. */ +static int +lookup_rmap_overlapped( + struct xfs_btree_cur *bt_cur, + struct xfs_rmap_irec *rm_rec, + struct xfs_rmap_irec *tmp, + int *have) +{ + /* Have to use our fancy version for overlapped */ + return xfs_rmap_lookup_le_range(bt_cur, rm_rec->rm_startblock, + rm_rec->rm_owner, rm_rec->rm_offset, + rm_rec->rm_flags, tmp, have); +} + /* Does the btree rmap cover the observed rmap? */ #define NEXTP(x) ((x)->rm_startblock + (x)->rm_blockcount) #define NEXTL(x) ((x)->rm_offset + (x)->rm_blockcount) @@ -997,6 +1011,18 @@ check_rmaps( error = lookup_rmap(bt_cur, rm_rec, &tmp, &have); if (error) goto err; + /* + * Using the range query is expensive, so only do it if + * the regular lookup doesn't find anything or if it doesn't + * match the observed rmap. + */ + if (xfs_sb_version_hasreflink(&bt_cur->bc_mp->m_sb) && + (!have || !is_good_rmap(rm_rec, &tmp))) { + error = lookup_rmap_overlapped(bt_cur, rm_rec, + &tmp, &have); + if (error) + goto err; + } if (!have) { do_warn( _("Missing reverse-mapping record for (%u/%u) %slen %u owner %"PRId64" \ From darrick.wong@oracle.com Thu Jun 16 20:44:58 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C66B48481 for ; Thu, 16 Jun 2016 20:44:58 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8D68830404E for ; Thu, 16 Jun 2016 18:44:58 -0700 (PDT) X-ASG-Debug-ID: 1466127896-04cb6c5427585a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 6fhJiAnhLrhwOoFN (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:44:56 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1isgt024582 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:55 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1isOO005271 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:44:54 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iq5D013742; Fri, 17 Jun 2016 01:44:53 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:52 -0700 Subject: [PATCH 134/145] xfs_repair: check for mergeable refcount records From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 134/145] xfs_repair: check for mergeable refcount records To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:50 -0700 Message-ID: <146612789069.16048.5418520558159694317.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127896 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2117 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Make sure there aren't adjacent refcount records that could be merged; this is a sign that the refcount tree algorithms aren't working correctly. Signed-off-by: Darrick J. Wong --- repair/scan.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/repair/scan.c b/repair/scan.c index 1c2afb6..d2e588a 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -1195,6 +1195,11 @@ out: rmap_avoid_check(); } +struct refc_priv { + struct xfs_refcount_irec last_rec; +}; + + static void scan_refcbt( struct xfs_btree_block *block, @@ -1214,6 +1219,7 @@ scan_refcbt( int numrecs; int state; xfs_agblock_t lastblock = 0; + struct refc_priv *refc_priv = priv; if (magic != XFS_REFC_CRC_MAGIC) { name = "(unknown)"; @@ -1331,6 +1337,20 @@ _("extent (%u/%u) len %u claimed, state is %d\n"), lastblock = b; } + /* Is this record mergeable with the last one? */ + if (refc_priv->last_rec.rc_startblock + + refc_priv->last_rec.rc_blockcount == b && + refc_priv->last_rec.rc_refcount == nr) { + do_warn( + _("record %d in block (%u/%u) of %s tree should be merged with previous record\n"), + i, agno, bno, name); + refc_priv->last_rec.rc_blockcount += len; + } else { + refc_priv->last_rec.rc_startblock = b; + refc_priv->last_rec.rc_blockcount = len; + refc_priv->last_rec.rc_refcount = nr; + } + /* XXX: probably want to mark the reflinked areas? */ } goto out; @@ -2169,10 +2189,13 @@ validate_agf( if (xfs_sb_version_hasreflink(&mp->m_sb)) { bno = be32_to_cpu(agf->agf_refcount_root); if (bno != 0 && verify_agbno(mp, agno, bno)) { + struct refc_priv priv; + + memset(&priv, 0, sizeof(priv)); scan_sbtree(bno, be32_to_cpu(agf->agf_refcount_level), agno, 0, scan_refcbt, 1, XFS_REFC_CRC_MAGIC, - agcnts, &xfs_refcountbt_buf_ops); + &priv, &xfs_refcountbt_buf_ops); } else { do_warn(_("bad agbno %u for refcntbt root, agno %d\n"), bno, agno); From darrick.wong@oracle.com Thu Jun 16 20:45:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C41A38457 for ; Thu, 16 Jun 2016 20:45:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8CB688F804B for ; Thu, 16 Jun 2016 18:45:09 -0700 (PDT) X-ASG-Debug-ID: 1466127907-04cbb01fec6a940001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id sWJjWambzLTy4JaK (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:07 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1j5es024972 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:06 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1j5vH018519 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:05 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1j4T6003809; Fri, 17 Jun 2016 01:45:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:04 -0700 Subject: [PATCH 136/145] xfs: introduce the XFS_IOC_GETFSMAPX ioctl From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 136/145] xfs: introduce the XFS_IOC_GETFSMAPX ioctl To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:03 -0700 Message-ID: <146612790296.16048.8214179908320601737.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127907 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6775 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Introduce a new ioctl that uses the reverse mapping btree to return information about the physical layout of the filesystem. Signed-off-by: Darrick J. Wong --- libxfs/xfs_fs.h | 62 +++++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_refcount.c | 51 +++++++++++++++++++++++++++++----------- libxfs/xfs_refcount.h | 4 +++ 3 files changed, 103 insertions(+), 14 deletions(-) diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h index df58c1c..236a5a7 100644 --- a/libxfs/xfs_fs.h +++ b/libxfs/xfs_fs.h @@ -117,6 +117,67 @@ struct getbmapx { #define BMV_OF_SHARED 0x8 /* segment shared with another file */ /* + * Structure for XFS_IOC_GETFSMAPX. + * + * Similar to XFS_IOC_GETBMAPX, the first two elements in the array are + * used to constrain the output. The first element in the array should + * represent the lowest disk address that the user wants to learn about. + * The second element in the array should represent the highest disk + * address to query. Subsequent array elements will be filled out by the + * command. + * + * The fmv_iflags field is only used in the first structure. The + * fmv_oflags field is filled in for each returned structure after the + * second structure. The fmv_unused1 fields in the first two array + * elements must be zero. + * + * The fmv_count, fmv_entries, and fmv_iflags fields in the second array + * element must be zero. + * + * fmv_block, fmv_offset, and fmv_length are expressed in units of 512 + * byte sectors. + */ +#ifndef HAVE_GETFSMAPX +struct getfsmapx { + __u32 fmv_device; /* device id */ + __u32 fmv_unused1; /* future use, must be zero */ + __u64 fmv_block; /* starting block */ + __u64 fmv_owner; /* owner id */ + __u64 fmv_offset; /* file offset of segment */ + __u64 fmv_length; /* length of segment, blocks */ + __u32 fmv_oflags; /* mapping flags */ + __u32 fmv_iflags; /* control flags (1st structure) */ + __u32 fmv_count; /* # of entries in array incl. input */ + __u32 fmv_entries; /* # of entries filled in (output). */ + __u64 fmv_unused2; /* future use, must be zero */ +}; +#endif + +/* fmv_flags values - set by XFS_IOC_GETFSMAPX caller. */ +/* no flags defined yet */ +#define FMV_IF_VALID 0 + +/* fmv_flags values - returned for each non-header segment */ +#define FMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ +#define FMV_OF_ATTR_FORK 0x2 /* segment = attribute fork */ +#define FMV_OF_EXTENT_MAP 0x4 /* segment = extent map */ +#define FMV_OF_SHARED 0x8 /* segment = shared with another file */ +#define FMV_OF_SPECIAL_OWNER 0x10 /* owner is a special value */ +#define FMV_OF_LAST 0x20 /* segment is the last in the FS */ + +/* fmv_owner special values */ +#define FMV_OWN_FREE (-1ULL) /* free space */ +#define FMV_OWN_UNKNOWN (-2ULL) /* unknown owner */ +#define FMV_OWN_FS (-3ULL) /* static fs metadata */ +#define FMV_OWN_LOG (-4ULL) /* journalling log */ +#define FMV_OWN_AG (-5ULL) /* per-AG metadata */ +#define FMV_OWN_INOBT (-6ULL) /* inode btree blocks */ +#define FMV_OWN_INODES (-7ULL) /* inodes */ +#define FMV_OWN_REFC (-8ULL) /* refcount tree */ +#define FMV_OWN_COW (-9ULL) /* cow allocations */ +#define FMV_OWN_DEFECTIVE (-10ULL) /* bad blocks */ + +/* * Structure for XFS_IOC_FSSETDM. * For use by backup and restore programs to set the XFS on-disk inode * fields di_dmevmask and di_dmstate. These must be set to exactly and @@ -523,6 +584,7 @@ typedef struct xfs_swapext #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) +#define XFS_IOC_GETFSMAPX _IOWR('X', 59, struct getfsmapx) /* * ioctl commands that replace IRIX syssgi()'s diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c index 855ab54..a19cb45 100644 --- a/libxfs/xfs_refcount.c +++ b/libxfs/xfs_refcount.c @@ -1171,8 +1171,9 @@ xfs_refcount_decrease_extent( * extent we find. If no shared blocks are found, flen will be set to zero. */ int -xfs_refcount_find_shared( +__xfs_refcount_find_shared( struct xfs_mount *mp, + struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen, @@ -1181,23 +1182,13 @@ xfs_refcount_find_shared( bool find_maximal) { struct xfs_btree_cur *cur; - struct xfs_buf *agbp; struct xfs_refcount_irec tmp; - int error; int i, have; int bt_error = XFS_BTREE_ERROR; + int error; trace_xfs_refcount_find_shared(mp, agno, agbno, aglen); - if (xfs_always_cow) { - *fbno = agbno; - *flen = aglen; - return 0; - } - - error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); - if (error) - goto out; cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL); /* By default, skip the whole range */ @@ -1272,14 +1263,46 @@ done: out_error: xfs_btree_del_cursor(cur, bt_error); - xfs_buf_relse(agbp); -out: if (error) trace_xfs_refcount_find_shared_error(mp, agno, error, _RET_IP_); return error; } /* + * Given an AG extent, find the lowest-numbered run of shared blocks within + * that range and return the range in fbno/flen. + */ +int +xfs_refcount_find_shared( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_agblock_t agbno, + xfs_extlen_t aglen, + xfs_agblock_t *fbno, + xfs_extlen_t *flen, + bool find_maximal) +{ + struct xfs_buf *agbp; + int error; + + if (xfs_always_cow) { + *fbno = agbno; + *flen = aglen; + return 0; + } + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) + return error; + + error = __xfs_refcount_find_shared(mp, agbp, agno, agbno, aglen, + fbno, flen, find_maximal); + + xfs_buf_relse(agbp); + return error; +} + +/* * Recovering CoW Blocks After a Crash * * Due to the way that the copy on write mechanism works, there's a window of diff --git a/libxfs/xfs_refcount.h b/libxfs/xfs_refcount.h index 6665eeb..44b0346 100644 --- a/libxfs/xfs_refcount.h +++ b/libxfs/xfs_refcount.h @@ -53,6 +53,10 @@ extern int xfs_refcount_finish_one(struct xfs_trans *tp, xfs_fsblock_t startblock, xfs_extlen_t blockcount, xfs_extlen_t *adjusted, struct xfs_btree_cur **pcur); +extern int __xfs_refcount_find_shared(struct xfs_mount *mp, + struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t agbno, + xfs_extlen_t aglen, xfs_agblock_t *fbno, xfs_extlen_t *flen, + bool find_maximal); extern int xfs_refcount_find_shared(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno, xfs_extlen_t *flen, bool find_maximal); From darrick.wong@oracle.com Thu Jun 16 20:45:23 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 873DE8494 for ; Thu, 16 Jun 2016 20:45:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4987F8F804B for ; Thu, 16 Jun 2016 18:45:23 -0700 (PDT) X-ASG-Debug-ID: 1466127918-04cb6c5425585c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id BuV9BSCH9ZGQLWFr (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:19 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1jHMV025535 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:45:17 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1jHsf012177 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:45:17 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1jHUU004138; Fri, 17 Jun 2016 01:45:17 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:16 -0700 Subject: [PATCH 138/145] xfs_io: support the new getfsmap ioctl From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 138/145] xfs_io: support the new getfsmap ioctl To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:15 -0700 Message-ID: <146612791523.16048.4631582604422386010.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127919 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 17741 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- io/Makefile | 2 io/fsmap.c | 488 +++++++++++++++++++++++++++++++++++++++++++++++++++++ io/init.c | 1 io/io.h | 1 man/man8/xfs_io.8 | 47 +++++ 5 files changed, 538 insertions(+), 1 deletion(-) create mode 100644 io/fsmap.c diff --git a/io/Makefile b/io/Makefile index 0b53f41..6439e1d 100644 --- a/io/Makefile +++ b/io/Makefile @@ -11,7 +11,7 @@ HFILES = init.h io.h CFILES = init.c \ attr.c bmap.c file.c freeze.c fsync.c getrusage.c imap.c link.c \ mmap.c open.c parent.c pread.c prealloc.c pwrite.c seek.c shutdown.c \ - sync.c truncate.c reflink.c + sync.c truncate.c reflink.c fsmap.c LLDLIBS = $(LIBXCMD) $(LIBHANDLE) LTDEPENDENCIES = $(LIBXCMD) $(LIBHANDLE) diff --git a/io/fsmap.c b/io/fsmap.c new file mode 100644 index 0000000..7cf3776 --- /dev/null +++ b/io/fsmap.c @@ -0,0 +1,488 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "platform_defs.h" +#include "command.h" +#include "init.h" +#include "io.h" +#include "input.h" + +static cmdinfo_t fsmap_cmd; + +static void +fsmap_help(void) +{ + printf(_( +"\n" +" prints the block mapping for an XFS filesystem" +"\n" +" Example:\n" +" 'fsmap -vp' - tabular format verbose map, including unwritten extents\n" +"\n" +" fsmap prints the map of disk blocks used by the whole filesystem.\n" +" The map lists each extent used by the file, as well as regions in the\n" +" filesystem that do not have any corresponding blocks (free space).\n" +" By default, each line of the listing takes the following form:\n" +" extent: [startoffset..endoffset] owner startblock..endblock\n" +" All the file offsets and disk blocks are in units of 512-byte blocks.\n" +" -n -- query n extents.\n" +" -v -- Verbose information, specify ag info. Show flags legend on 2nd -v\n" +"\n")); +} + +static int +numlen( + off64_t val) +{ + off64_t tmp; + int len; + + for (len = 0, tmp = val; tmp > 0; tmp = tmp/10) + len++; + return (len == 0 ? 1 : len); +} + +static const char * +special_owner( + __int64_t owner) +{ + switch (owner) { + case FMV_OWN_FREE: + return _("free space"); + case FMV_OWN_UNKNOWN: + return _("unknown"); + case FMV_OWN_FS: + return _("static fs metadata"); + case FMV_OWN_LOG: + return _("journalling log"); + case FMV_OWN_AG: + return _("per-AG metadata"); + case FMV_OWN_INOBT: + return _("inode btree"); + case FMV_OWN_INODES: + return _("inodes"); + case FMV_OWN_REFC: + return _("refcount btree"); + case FMV_OWN_COW: + return _("cow reservation"); + case FMV_OWN_DEFECTIVE: + return _("defective"); + default: + return _("unknown"); + } +} + +static void +dump_map( + unsigned long long nr, + struct getfsmapx *map) +{ + unsigned long long i; + struct getfsmapx *p; + + for (i = 0, p = map + 2; i < map->fmv_entries; i++, p++) { + printf("\t%llu: %u:%u [%lld..%lld]: ", i + nr, + major(p->fmv_device), minor(p->fmv_device), + (long long) p->fmv_block, + (long long)(p->fmv_block + p->fmv_length - 1)); + if (p->fmv_oflags & FMV_OF_SPECIAL_OWNER) + printf("%s", special_owner(p->fmv_owner)); + else if (p->fmv_oflags & FMV_OF_EXTENT_MAP) + printf(_("inode %lld extent map"), + (long long) p->fmv_owner); + else + printf(_("inode %lld %lld..%lld"), + (long long) p->fmv_owner, + (long long) p->fmv_offset, + (long long)(p->fmv_offset + p->fmv_length - 1)); + printf(_(" %lld blocks\n"), + (long long)p->fmv_length); + } +} + +/* + * Verbose mode displays: + * extent: major:minor [startblock..endblock]: startoffset..endoffset \ + * ag# (agoffset..agendoffset) totalbbs flags + */ +#define MINRANGE_WIDTH 16 +#define MINAG_WIDTH 2 +#define MINTOT_WIDTH 5 +#define NFLG 7 /* count of flags */ +#define FLG_NULL 00000000 /* Null flag */ +#define FLG_SHARED 01000000 /* shared extent */ +#define FLG_ATTR_FORK 00100000 /* attribute fork */ +#define FLG_PRE 00010000 /* Unwritten extent */ +#define FLG_BSU 00001000 /* Not on begin of stripe unit */ +#define FLG_ESU 00000100 /* Not on end of stripe unit */ +#define FLG_BSW 00000010 /* Not on begin of stripe width */ +#define FLG_ESW 00000001 /* Not on end of stripe width */ +static void +dump_map_verbose( + unsigned long long nr, + struct getfsmapx *map, + bool *dumped_flags, + struct xfs_fsop_geom *fsgeo) +{ + unsigned long long i; + struct getfsmapx *p; + int agno; + off64_t agoff, bbperag; + int foff_w, boff_w, aoff_w, tot_w, agno_w, own_w, nr_w, dev_w; + char rbuf[32], bbuf[32], abuf[32], obuf[32], nbuf[32], dbuf[32]; + int sunit, swidth; + int flg = 0; + + foff_w = boff_w = aoff_w = own_w = MINRANGE_WIDTH; + dev_w = 3; + nr_w = 4; + tot_w = MINTOT_WIDTH; + bbperag = (off64_t)fsgeo->agblocks * + (off64_t)fsgeo->blocksize / BBSIZE; + sunit = (fsgeo->sunit * fsgeo->blocksize) / BBSIZE; + swidth = (fsgeo->swidth * fsgeo->blocksize) / BBSIZE; + + /* + * Go through the extents and figure out the width + * needed for all columns. + */ + for (i = 0, p = map + 2; i < map->fmv_entries; i++, p++) { + if (p->fmv_oflags & FMV_OF_PREALLOC || + p->fmv_oflags & FMV_OF_ATTR_FORK || + p->fmv_oflags & FMV_OF_SHARED) + flg = 1; + if (sunit && + (p->fmv_block % sunit != 0 || + ((p->fmv_block + p->fmv_length) % sunit) != 0 || + p->fmv_block % swidth != 0 || + ((p->fmv_block + p->fmv_length) % swidth) != 0)) + flg = 1; + if (flg) + *dumped_flags = true; + snprintf(nbuf, sizeof(nbuf), "%llu", nr + i); + nr_w = max(nr_w, strlen(nbuf)); + snprintf(dbuf, sizeof(dbuf), "%u:%u", major(p->fmv_device), + minor(p->fmv_device)); + dev_w = max(dev_w, strlen(dbuf)); + snprintf(bbuf, sizeof(bbuf), "[%lld..%lld]:", + (long long) p->fmv_block, + (long long)(p->fmv_block + p->fmv_length - 1)); + boff_w = max(boff_w, strlen(bbuf)); + if (p->fmv_oflags & FMV_OF_SPECIAL_OWNER) + own_w = max(own_w, strlen(special_owner(p->fmv_owner))); + else { + snprintf(obuf, sizeof(obuf), "%lld", + (long long)p->fmv_owner); + own_w = max(own_w, strlen(obuf)); + } + if (p->fmv_oflags & FMV_OF_EXTENT_MAP) + foff_w = max(foff_w, strlen(_("extent_map"))); + else if (p->fmv_oflags & FMV_OF_SPECIAL_OWNER) + ; + else { + snprintf(rbuf, sizeof(rbuf), "%lld..%lld", + (long long) p->fmv_offset, + (long long)(p->fmv_offset + p->fmv_length - 1)); + foff_w = max(foff_w, strlen(rbuf)); + } + agno = p->fmv_block / bbperag; + agoff = p->fmv_block - (agno * bbperag); + snprintf(abuf, sizeof(abuf), + "(%lld..%lld)", + (long long)agoff, + (long long)(agoff + p->fmv_length - 1)); + aoff_w = max(aoff_w, strlen(abuf)); + tot_w = max(tot_w, + numlen(p->fmv_length)); + } + agno_w = max(MINAG_WIDTH, numlen(fsgeo->agcount)); + if (nr == 0) + printf("%*s: %-*s %-*s %-*s %-*s %*s %-*s %*s%s\n", + nr_w, _("EXT"), + dev_w, _("DEV"), + boff_w, _("BLOCK-RANGE"), + own_w, _("OWNER"), + foff_w, _("FILE-OFFSET"), + agno_w, _("AG"), + aoff_w, _("AG-OFFSET"), + tot_w, _("TOTAL"), + flg ? _(" FLAGS") : ""); + for (i = 0, p = map + 2; i < map->fmv_entries; i++, p++) { + flg = FLG_NULL; + if (p->fmv_oflags & FMV_OF_PREALLOC) + flg |= FLG_PRE; + if (p->fmv_oflags & FMV_OF_ATTR_FORK) + flg |= FLG_ATTR_FORK; + if (p->fmv_oflags & FMV_OF_SHARED) + flg |= FLG_SHARED; + /* + * If striping enabled, determine if extent starts/ends + * on a stripe unit boundary. + */ + if (sunit) { + if (p->fmv_block % sunit != 0) + flg |= FLG_BSU; + if (((p->fmv_block + + p->fmv_length ) % sunit ) != 0) + flg |= FLG_ESU; + if (p->fmv_block % swidth != 0) + flg |= FLG_BSW; + if (((p->fmv_block + + p->fmv_length ) % swidth ) != 0) + flg |= FLG_ESW; + } + snprintf(dbuf, sizeof(dbuf), "%u:%u", major(p->fmv_device), + minor(p->fmv_device)); + snprintf(bbuf, sizeof(bbuf), "[%lld..%lld]:", + (long long) p->fmv_block, + (long long)(p->fmv_block + p->fmv_length - 1)); + if (p->fmv_oflags & FMV_OF_SPECIAL_OWNER) { + snprintf(obuf, sizeof(obuf), "%s", + special_owner(p->fmv_owner)); + snprintf(rbuf, sizeof(rbuf), " "); + } else { + snprintf(obuf, sizeof(obuf), "%lld", + (long long)p->fmv_owner); + snprintf(rbuf, sizeof(rbuf), "%lld..%lld", + (long long) p->fmv_offset, + (long long)(p->fmv_offset + p->fmv_length - 1)); + } + agno = p->fmv_block / bbperag; + agoff = p->fmv_block - (agno * bbperag); + snprintf(abuf, sizeof(abuf), + "(%lld..%lld)", + (long long)agoff, + (long long)(agoff + p->fmv_length - 1)); + if (p->fmv_oflags & FMV_OF_EXTENT_MAP) + printf("%*llu: %-*s %-*s %-*s %-*s %*d %-*s %*lld\n", + nr_w, nr + i, + dev_w, dbuf, + boff_w, bbuf, + own_w, obuf, + foff_w, _("extent map"), + agno_w, agno, + aoff_w, abuf, + tot_w, (long long)p->fmv_length); + else { + printf("%*llu: %-*s %-*s %-*s %-*s", nr_w, nr + i, + dev_w, dbuf, boff_w, bbuf, own_w, obuf, + foff_w, rbuf); + printf(" %*d %-*s", agno_w, agno, + aoff_w, abuf); + printf(" %*lld", tot_w, + (long long)p->fmv_length); + if (flg == FLG_NULL) + printf("\n"); + else + printf(" %-*.*o\n", NFLG, NFLG, flg); + } + } +} + +static void +dump_verbose_key(void) +{ + printf(_(" FLAG Values:\n")); + printf(_(" %*.*o Shared extent\n"), + NFLG+1, NFLG+1, FLG_SHARED); + printf(_(" %*.*o Attribute fork\n"), + NFLG+1, NFLG+1, FLG_ATTR_FORK); + printf(_(" %*.*o Unwritten preallocated extent\n"), + NFLG+1, NFLG+1, FLG_PRE); + printf(_(" %*.*o Doesn't begin on stripe unit\n"), + NFLG+1, NFLG+1, FLG_BSU); + printf(_(" %*.*o Doesn't end on stripe unit\n"), + NFLG+1, NFLG+1, FLG_ESU); + printf(_(" %*.*o Doesn't begin on stripe width\n"), + NFLG+1, NFLG+1, FLG_BSW); + printf(_(" %*.*o Doesn't end on stripe width\n"), + NFLG+1, NFLG+1, FLG_ESW); +} + +int +fsmap_f( + int argc, + char **argv) +{ + struct getfsmapx *p; + struct getfsmapx *nmap; + struct getfsmapx *map; + struct xfs_fsop_geom fsgeo; + long long start = 0; + long long end = -1; + int nmap_size; + int map_size; + int nflag = 0; + int vflag = 0; + int fmv_iflags = 0; /* flags for GETFSMAPX */ + int i = 0; + int c; + unsigned long long nr = 0; + size_t fsblocksize, fssectsize; + bool dumped_flags = false; + + init_cvtnum(&fsblocksize, &fssectsize); + + while ((c = getopt(argc, argv, "n:v")) != EOF) { + switch (c) { + case 'n': /* number of extents specified */ + nflag = atoi(optarg); + break; + case 'v': /* Verbose output */ + vflag++; + break; + default: + return command_usage(&fsmap_cmd); + } + } + + if (argc > optind) { + start = cvtnum(fsblocksize, fssectsize, argv[optind]); + if (start < 0) { + fprintf(stderr, + _("Bad rmap start_fsb %s.\n"), + argv[optind]); + return 0; + } + } + + if (argc > optind + 1) { + end = cvtnum(fsblocksize, fssectsize, argv[optind + 1]); + if (end < 0) { + fprintf(stderr, + _("Bad rmap end_fsb %s.\n"), + argv[optind + 1]); + return 0; + } + } + + if (vflag) { + c = xfsctl(file->name, file->fd, XFS_IOC_FSGEOMETRY_V1, &fsgeo); + if (c < 0) { + fprintf(stderr, + _("%s: can't get geometry [\"%s\"]: %s\n"), + progname, file->name, strerror(errno)); + exitcode = 1; + return 0; + } + } + + map_size = nflag ? nflag + 2 : 32; /* initial guess - 32 */ + map = malloc(map_size * sizeof(*map)); + if (map == NULL) { + fprintf(stderr, _("%s: malloc of %zu bytes failed.\n"), + progname, map_size * sizeof(*map)); + exitcode = 1; + return 0; + } + + memset(map, 0, sizeof(*map) * 2); + map->fmv_iflags = fmv_iflags; + map->fmv_block = start / 512; + (map + 1)->fmv_device = UINT_MAX; + (map + 1)->fmv_block = (unsigned long long)end / 512; + (map + 1)->fmv_owner = ULLONG_MAX; + (map + 1)->fmv_offset = ULLONG_MAX; + + /* Count mappings */ + if (!nflag) { + map->fmv_count = 2; + i = xfsctl(file->name, file->fd, XFS_IOC_GETFSMAPX, map); + if (i < 0) { + fprintf(stderr, _("%s: xfsctl(XFS_IOC_GETFSMAPX)" + " iflags=0x%x [\"%s\"]: %s\n"), + progname, map->fmv_iflags, file->name, + strerror(errno)); + free(map); + exitcode = 1; + return 0; + } + if (map->fmv_entries > map_size * 2) { + unsigned long long nr; + + nr = 5ULL * map->fmv_entries / 4 + 2; + nmap_size = nr > INT_MAX ? INT_MAX : nr; + nmap = realloc(map, nmap_size * sizeof(*map)); + if (nmap == NULL) { + fprintf(stderr, + _("%s: cannot realloc %zu bytes\n"), + progname, map_size*sizeof(*map)); + } else { + map = nmap; + map_size = nmap_size; + } + } + } + + map->fmv_count = map_size; + do { + /* Get some extents */ + i = xfsctl(file->name, file->fd, XFS_IOC_GETFSMAPX, map); + if (i < 0) { + fprintf(stderr, _("%s: xfsctl(XFS_IOC_GETFSMAPX)" + " iflags=0x%x [\"%s\"]: %s\n"), + progname, map->fmv_iflags, file->name, + strerror(errno)); + free(map); + exitcode = 1; + return 0; + } + + if (map->fmv_entries == 0) + break; + + if (!vflag) + dump_map(nr, map); + else + dump_map_verbose(nr, map, &dumped_flags, &fsgeo); + + p = map + 1 + map->fmv_entries; + if (p->fmv_oflags & FMV_OF_LAST) + break; + + nr += map->fmv_entries; + map->fmv_device = p->fmv_device; + map->fmv_block = p->fmv_block; + map->fmv_owner = p->fmv_owner; + map->fmv_offset = p->fmv_offset; + map->fmv_oflags = p->fmv_oflags; + map->fmv_length = p->fmv_length; + } while (true); + + if (dumped_flags) + dump_verbose_key(); + + free(map); + return 0; +} + +void +fsmap_init(void) +{ + fsmap_cmd.name = "fsmap"; + fsmap_cmd.cfunc = fsmap_f; + fsmap_cmd.argmin = 0; + fsmap_cmd.argmax = -1; + fsmap_cmd.flags = CMD_NOMAP_OK; + fsmap_cmd.args = _("[-v] [-n nx] [start] [end]"); + fsmap_cmd.oneline = _("print filesystem mapping for a range of blocks"); + fsmap_cmd.help = fsmap_help; + + add_command(&fsmap_cmd); +} diff --git a/io/init.c b/io/init.c index 51f1f5c..4ae8274 100644 --- a/io/init.c +++ b/io/init.c @@ -60,6 +60,7 @@ init_commands(void) file_init(); flink_init(); freeze_init(); + fsmap_init(); fsync_init(); getrusage_init(); help_init(); diff --git a/io/io.h b/io/io.h index 172b1f8..cef1763 100644 --- a/io/io.h +++ b/io/io.h @@ -97,6 +97,7 @@ extern void bmap_init(void); extern void file_init(void); extern void flink_init(void); extern void freeze_init(void); +extern void fsmap_init(void); extern void fsync_init(void); extern void getrusage_init(void); extern void help_init(void); diff --git a/man/man8/xfs_io.8 b/man/man8/xfs_io.8 index cc70b7c..2872f13 100644 --- a/man/man8/xfs_io.8 +++ b/man/man8/xfs_io.8 @@ -267,6 +267,53 @@ ioctl. Options behave as described in the .BR xfs_bmap (8) manual page. .TP +.BI "fsmap [ \-v ] [ \-n " nx " ] [ " start " ] [ " end " ] +Prints the mapping of disk blocks used by an XFS filesystem. The map +lists each extent used by files, allocation group metadata, +journalling logs, and static filesystem metadata, as well as any +regions that are unused. Each line of the listings takes the +following form: +.PP +.RS +.IR extent ": " major ":" minor " [" startblock .. endblock "]: " owner " " startoffset .. endoffset " " length +.PP +Static filesystem metadata, allocation group metadata, btrees, +journalling logs, and free space are marked by replacing the +.IR startoffset .. endoffset +with the appropriate marker. All blocks, offsets, and lengths are specified +in units of 512-byte blocks, no matter what the filesystem's block size is. +.BI "The optional " start " and " end " arguments can be used to constrain +the output to a particular range of disk blocks. +.RE +.RS 1.0i +.PD 0 +.TP +.BI \-n " num_extents" +If this option is given, +.B xfs_fsmap +obtains the extent list of the file in groups of +.I num_extents +extents. In the absence of +.BR \-n ", " xfs_fsmap +queries the system for the number of extents in the filesystem and uses that +value to compute the group size. +.TP +.B \-v +Shows verbose information. When this flag is specified, additional AG +specific information is appended to each line in the following form: +.IP +.RS 1.2i +.IR agno " (" startagblock .. endagblock ") " nblocks " " flags +.RE +.IP +A second +.B \-v +option will print out the +.I flags +legend. +.RE +.PD +.TP .BI "extsize [ \-R | \-D ] [ " value " ]" Display and/or modify the preferred extent size used when allocating space for the currently open file. If the From darrick.wong@oracle.com Thu Jun 16 20:45:30 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3397283F3 for ; Thu, 16 Jun 2016 20:45:30 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 02DB78F804B for ; Thu, 16 Jun 2016 18:45:29 -0700 (PDT) X-ASG-Debug-ID: 1466127925-04cbb01fef6a9a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id hagkMOwN8muQXSp4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:25 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1jNBI025574 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:24 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jNga014474 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:23 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1jNuf004173; Fri, 17 Jun 2016 01:45:23 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:22 -0700 Subject: [PATCH 139/145] xfs: scrub btree records and pointers while querying From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 139/145] xfs: scrub btree records and pointers while querying To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:21 -0700 Message-ID: <146612792154.16048.3444883625309291288.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127925 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 22226 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Create a function that walks a btree, checking the integrity of each btree block (headers, keys, records) and calling back to the caller to perform further checks on the records. v2: Prefix function names with xfs_ Signed-off-by: Darrick J. Wong --- libxfs/Makefile | 2 libxfs/xfs_alloc.c | 33 ++++ libxfs/xfs_alloc.h | 3 libxfs/xfs_btree.c | 12 + libxfs/xfs_btree.h | 15 ++ libxfs/xfs_format.h | 2 libxfs/xfs_rmap.c | 39 +++++ libxfs/xfs_rmap_btree.h | 3 libxfs/xfs_scrub.c | 396 +++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_scrub.h | 76 +++++++++ 10 files changed, 572 insertions(+), 9 deletions(-) create mode 100644 libxfs/xfs_scrub.c create mode 100644 libxfs/xfs_scrub.h diff --git a/libxfs/Makefile b/libxfs/Makefile index 4b1ada0..a2188ec 100644 --- a/libxfs/Makefile +++ b/libxfs/Makefile @@ -41,6 +41,7 @@ HFILES = \ xfs_refcount_btree.h \ xfs_rmap_btree.h \ xfs_sb.h \ + xfs_scrub.h \ xfs_shared.h \ xfs_trans_resv.h \ xfs_trans_space.h \ @@ -93,6 +94,7 @@ CFILES = cache.c \ xfs_rmap_btree.c \ xfs_rtbitmap.c \ xfs_sb.c \ + xfs_scrub.c \ xfs_symlink_remote.c \ xfs_trans_resv.c diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 33087e6..7ab05e3 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -2920,3 +2920,36 @@ err: xfs_trans_brelse(tp, agbp); return error; } + +/* Is there a record covering a given extent? */ +int +xfs_alloc_record_exists( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + bool *is_freesp) +{ + int stat; + xfs_agblock_t fbno; + xfs_extlen_t flen; + int error; + + error = xfs_alloc_lookup_le(cur, bno, len, &stat); + if (error) + return error; + if (!stat) { + *is_freesp = false; + return 0; + } + + error = xfs_alloc_get_rec(cur, &fbno, &flen, &stat); + if (error) + return error; + if (!stat) { + *is_freesp = false; + return 0; + } + + *is_freesp = (fbno <= bno && fbno + flen >= bno + len); + return 0; +} diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index 9f6373a..4f2ce38 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -210,4 +210,7 @@ int xfs_free_extent_fix_freelist(struct xfs_trans *tp, xfs_agnumber_t agno, xfs_extlen_t xfs_prealloc_blocks(struct xfs_mount *mp); +int xfs_alloc_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, + xfs_extlen_t len, bool *is_freesp); + #endif /* __XFS_ALLOC_H__ */ diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c index 89fb2fe..89d4bec 100644 --- a/libxfs/xfs_btree.c +++ b/libxfs/xfs_btree.c @@ -545,7 +545,7 @@ xfs_btree_ptr_offset( /* * Return a pointer to the n-th record in the btree block. */ -STATIC union xfs_btree_rec * +union xfs_btree_rec * xfs_btree_rec_addr( struct xfs_btree_cur *cur, int n, @@ -558,7 +558,7 @@ xfs_btree_rec_addr( /* * Return a pointer to the n-th key in the btree block. */ -STATIC union xfs_btree_key * +union xfs_btree_key * xfs_btree_key_addr( struct xfs_btree_cur *cur, int n, @@ -571,7 +571,7 @@ xfs_btree_key_addr( /* * Return a pointer to the n-th high key in the btree block. */ -STATIC union xfs_btree_key * +union xfs_btree_key * xfs_btree_high_key_addr( struct xfs_btree_cur *cur, int n, @@ -584,7 +584,7 @@ xfs_btree_high_key_addr( /* * Return a pointer to the n-th block pointer in the btree block. */ -STATIC union xfs_btree_ptr * +union xfs_btree_ptr * xfs_btree_ptr_addr( struct xfs_btree_cur *cur, int n, @@ -618,7 +618,7 @@ xfs_btree_get_iroot( * Retrieve the block pointer from the cursor at the given level. * This may be an inode btree root or from a buffer. */ -STATIC struct xfs_btree_block * /* generic btree block pointer */ +struct xfs_btree_block * /* generic btree block pointer */ xfs_btree_get_block( struct xfs_btree_cur *cur, /* btree cursor */ int level, /* level in btree */ @@ -1729,7 +1729,7 @@ error0: return error; } -STATIC int +int xfs_btree_lookup_get_block( struct xfs_btree_cur *cur, /* btree cursor */ int level, /* level in the btree */ diff --git a/libxfs/xfs_btree.h b/libxfs/xfs_btree.h index dbf299f..6f22cb0 100644 --- a/libxfs/xfs_btree.h +++ b/libxfs/xfs_btree.h @@ -194,7 +194,6 @@ struct xfs_btree_ops { const struct xfs_buf_ops *buf_ops; -#if defined(DEBUG) || defined(XFS_WARN) /* check that k1 is lower than k2 */ int (*keys_inorder)(struct xfs_btree_cur *cur, union xfs_btree_key *k1, @@ -204,7 +203,6 @@ struct xfs_btree_ops { int (*recs_inorder)(struct xfs_btree_cur *cur, union xfs_btree_rec *r1, union xfs_btree_rec *r2); -#endif }; /* btree ops flags */ @@ -537,4 +535,17 @@ int xfs_btree_visit_blocks(struct xfs_btree_cur *cur, int xfs_btree_count_blocks(struct xfs_btree_cur *cur, xfs_extlen_t *blocks); +union xfs_btree_rec *xfs_btree_rec_addr(struct xfs_btree_cur *cur, int n, + struct xfs_btree_block *block); +union xfs_btree_key *xfs_btree_key_addr(struct xfs_btree_cur *cur, int n, + struct xfs_btree_block *block); +union xfs_btree_key *xfs_btree_high_key_addr(struct xfs_btree_cur *cur, int n, + struct xfs_btree_block *block); +union xfs_btree_ptr *xfs_btree_ptr_addr(struct xfs_btree_cur *cur, int n, + struct xfs_btree_block *block); +int xfs_btree_lookup_get_block(struct xfs_btree_cur *cur, int level, + union xfs_btree_ptr *pp, struct xfs_btree_block **blkp); +struct xfs_btree_block *xfs_btree_get_block(struct xfs_btree_cur *cur, + int level, struct xfs_buf **bpp); + #endif /* __XFS_BTREE_H__ */ diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index bfbf6e8..de69327 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -518,7 +518,7 @@ static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp) (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE)); } -static inline int xfs_sb_version_hasfinobt(xfs_sb_t *sbp) +static inline bool xfs_sb_version_hasfinobt(xfs_sb_t *sbp) { return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_FINOBT); diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 23bffdc..3ec9a35 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -2326,3 +2326,42 @@ xfs_rmap_free_defer( return __xfs_rmap_add(mp, dfops, &ri); } + +/* Is there a record covering a given extent? */ +int +xfs_rmap_record_exists( + struct xfs_btree_cur *cur, + xfs_agblock_t bno, + xfs_extlen_t len, + struct xfs_owner_info *oinfo, + bool *has_rmap) +{ + uint64_t owner; + uint64_t offset; + unsigned int flags; + int stat; + struct xfs_rmap_irec irec; + int error; + + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); + + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, flags, &stat); + if (error) + return error; + if (!stat) { + *has_rmap = false; + return 0; + } + + error = xfs_rmap_get_rec(cur, &irec, &stat); + if (error) + return error; + if (!stat) { + *has_rmap = false; + return 0; + } + + *has_rmap = (irec.rm_startblock <= bno && + irec.rm_startblock + irec.rm_blockcount >= bno + len); + return 0; +} diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index 5baa81f..2f072c8 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -144,4 +144,7 @@ extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp); extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); +extern int xfs_rmap_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, + xfs_extlen_t len, struct xfs_owner_info *oinfo, bool *has_rmap); + #endif /* __XFS_RMAP_BTREE_H__ */ diff --git a/libxfs/xfs_scrub.c b/libxfs/xfs_scrub.c new file mode 100644 index 0000000..750c482 --- /dev/null +++ b/libxfs/xfs_scrub.c @@ -0,0 +1,396 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs_priv.h" +#include "xfs_fs.h" +#include "xfs_shared.h" +#include "xfs_format.h" +#include "xfs_trans_resv.h" +#include "xfs_mount.h" +#include "xfs_defer.h" +#include "xfs_btree.h" +#include "xfs_bit.h" +#include "xfs_alloc.h" +#include "xfs_bmap.h" +#include "xfs_ialloc.h" +#include "xfs_refcount.h" +#include "xfs_alloc_btree.h" +#include "xfs_rmap_btree.h" +#include "xfs_log_format.h" +#include "xfs_trans.h" +#include "xfs_scrub.h" + +static const char * const btree_types[] = { + [XFS_BTNUM_BNO] = "bnobt", + [XFS_BTNUM_CNT] = "cntbt", + [XFS_BTNUM_RMAP] = "rmapbt", + [XFS_BTNUM_BMAP] = "bmapbt", + [XFS_BTNUM_INO] = "inobt", + [XFS_BTNUM_FINO] = "finobt", + [XFS_BTNUM_REFC] = "refcountbt", +}; + +/* Report a scrub corruption in dmesg. */ +void +xfs_btree_scrub_error( + struct xfs_btree_cur *cur, + int level, + const char *file, + int line, + const char *check) +{ + char buf[16]; + xfs_fsblock_t fsbno; + + if (cur->bc_ptrs[level] >= 1) + snprintf(buf, 16, " ptr %d", cur->bc_ptrs[level]); + else + buf[0] = 0; + + fsbno = XFS_DADDR_TO_FSB(cur->bc_mp, cur->bc_bufs[level]->b_bn); + xfs_alert(cur->bc_mp, "scrub: %s btree corruption in block %u/%u%s: %s, file: %s, line: %d", + btree_types[cur->bc_btnum], + XFS_FSB_TO_AGNO(cur->bc_mp, fsbno), + XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno), + buf, check, file, line); +} + +/* AG metadata scrubbing */ + +/* + * Make sure this record is in order and doesn't stray outside of the parent + * keys. + */ +static int +xfs_btree_scrub_rec( + struct xfs_btree_scrub *bs) +{ + struct xfs_btree_cur *cur = bs->cur; + union xfs_btree_rec *rec; + union xfs_btree_key key; + union xfs_btree_key *keyp; + struct xfs_btree_block *block; + struct xfs_btree_block *keyblock; + + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[0]); + rec = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); + + /* If this isn't the first record, are they in order? */ + XFS_BTREC_SCRUB_CHECK(bs, bs->firstrec || + cur->bc_ops->recs_inorder(cur, &bs->lastrec, rec)); + bs->firstrec = false; + bs->lastrec = *rec; + + if (cur->bc_nlevels == 1) + return 0; + + /* Is this at least as large as the parent low key? */ + cur->bc_ops->init_key_from_rec(&key, rec); + keyblock = XFS_BUF_TO_BLOCK(cur->bc_bufs[1]); + keyp = xfs_btree_key_addr(cur, cur->bc_ptrs[1], keyblock); + + XFS_BTKEY_SCRUB_CHECK(bs, 0, + cur->bc_ops->diff_two_keys(cur, keyp, &key) >= 0); + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return 0; + + /* Is this no larger than the parent high key? */ + keyp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[1], keyblock); + + XFS_BTKEY_SCRUB_CHECK(bs, 0, + cur->bc_ops->diff_two_keys(cur, &key, keyp) >= 0); + + return 0; +} + +/* + * Make sure this key is in order and doesn't stray outside of the parent + * keys. + */ +static int +xfs_btree_scrub_key( + struct xfs_btree_scrub *bs, + int level) +{ + struct xfs_btree_cur *cur = bs->cur; + union xfs_btree_key *key; + union xfs_btree_key *keyp; + struct xfs_btree_block *block; + struct xfs_btree_block *keyblock; + + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); + key = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); + + /* If this isn't the first key, are they in order? */ + XFS_BTKEY_SCRUB_CHECK(bs, level, bs->firstkey[level] || + cur->bc_ops->keys_inorder(cur, &bs->lastkey[level], + key)); + bs->firstkey[level] = false; + bs->lastkey[level] = *key; + + if (level + 1 >= cur->bc_nlevels) + return 0; + + /* Is this at least as large as the parent low key? */ + keyblock = XFS_BUF_TO_BLOCK(cur->bc_bufs[level + 1]); + keyp = xfs_btree_key_addr(cur, cur->bc_ptrs[level + 1], keyblock); + + XFS_BTKEY_SCRUB_CHECK(bs, level, + cur->bc_ops->diff_two_keys(cur, keyp, key) >= 0); + + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) + return 0; + + /* Is this no larger than the parent high key? */ + key = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level], block); + keyp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level + 1], keyblock); + + XFS_BTKEY_SCRUB_CHECK(bs, level, + cur->bc_ops->diff_two_keys(cur, key, keyp) >= 0); + + return 0; +} + +struct check_owner { + struct list_head list; + xfs_agblock_t bno; +}; + +/* + * Make sure this btree block isn't in the free list and that there's + * an rmap record for it. + */ +static int +xfs_btree_block_check_owner( + struct xfs_btree_scrub *bs, + xfs_agblock_t bno) +{ + bool has_rmap; + bool is_freesp; + int error; + + /* Check that this block isn't free */ + error = xfs_alloc_record_exists(bs->bno_cur, bno, 1, &is_freesp); + if (error) + goto err; + XFS_BTREC_SCRUB_CHECK(bs, !is_freesp); + + if (!bs->rmap_cur) + return 0; + + /* Check that there's an rmap record for this */ + error = xfs_rmap_record_exists(bs->rmap_cur, bno, 1, &bs->oinfo, + &has_rmap); + if (error) + goto err; + XFS_BTREC_SCRUB_CHECK(bs, has_rmap); +err: + return error; +} + +/* Check the owner of a btree block. */ +static int +xfs_btree_scrub_check_owner( + struct xfs_btree_scrub *bs, + struct xfs_buf *bp) +{ + struct xfs_btree_cur *cur = bs->cur; + xfs_agblock_t bno; + xfs_fsblock_t fsbno; + struct check_owner *co; + + fsbno = XFS_DADDR_TO_FSB(cur->bc_mp, bp->b_bn); + bno = XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno); + + /* Do we need to defer this one? */ + if ((!bs->rmap_cur && xfs_sb_version_hasrmapbt(&cur->bc_mp->m_sb)) || + !bs->bno_cur) { + co = kmem_alloc(sizeof(struct check_owner), KM_SLEEP | KM_NOFS); + co->bno = bno; + list_add_tail(&co->list, &bs->to_check); + return 0; + } + + return xfs_btree_block_check_owner(bs, bno); +} + +/* + * Visit all nodes and leaves of a btree. Check that all pointers and + * records are in order, that the keys reflect the records, and use a callback + * so that the caller can verify individual records. The callback is the same + * as the one for xfs_btree_query_range, so therefore this function also + * returns XFS_BTREE_QUERY_RANGE_ABORT, zero, or a negative error code. + */ +int +xfs_btree_scrub( + struct xfs_btree_scrub *bs) +{ + struct xfs_btree_cur *cur = bs->cur; + union xfs_btree_ptr ptr; + union xfs_btree_ptr *pp; + union xfs_btree_rec *recp; + struct xfs_btree_block *block; + int level; + struct xfs_buf *bp; + int i; + struct check_owner *co, *n; + int error; + + /* Finish filling out the scrub state */ + bs->error = 0; + bs->firstrec = true; + for (i = 0; i < XFS_BTREE_MAXLEVELS; i++) + bs->firstkey[i] = true; + bs->bno_cur = bs->rmap_cur = NULL; + INIT_LIST_HEAD(&bs->to_check); + if (bs->cur->bc_btnum != XFS_BTNUM_BNO) + bs->bno_cur = xfs_allocbt_init_cursor(cur->bc_mp, NULL, + bs->agf_bp, bs->cur->bc_private.a.agno, + XFS_BTNUM_BNO); + if (bs->cur->bc_btnum != XFS_BTNUM_RMAP && + xfs_sb_version_hasrmapbt(&cur->bc_mp->m_sb)) + bs->rmap_cur = xfs_rmapbt_init_cursor(cur->bc_mp, NULL, + bs->agf_bp, bs->cur->bc_private.a.agno); + + /* Load the root of the btree. */ + level = cur->bc_nlevels - 1; + cur->bc_ops->init_ptr_from_cur(cur, &ptr); + error = xfs_btree_lookup_get_block(cur, level, &ptr, &block); + if (error) + goto out; + + xfs_btree_get_block(cur, level, &bp); + error = xfs_btree_check_block(cur, block, level, bp); + if (error) + goto out; + error = xfs_btree_scrub_check_owner(bs, bp); + if (error) + goto out; + + cur->bc_ptrs[level] = 1; + + while (level < cur->bc_nlevels) { + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); + + if (level == 0) { + /* End of leaf, pop back towards the root. */ + if (cur->bc_ptrs[level] > + be16_to_cpu(block->bb_numrecs)) { + if (level < cur->bc_nlevels - 1) + cur->bc_ptrs[level + 1]++; + level++; + continue; + } + + /* Records in order for scrub? */ + error = xfs_btree_scrub_rec(bs); + if (error) + goto out; + + recp = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); + error = bs->scrub_rec(bs, recp); + if (error < 0 || + error == XFS_BTREE_QUERY_RANGE_ABORT) + break; + + cur->bc_ptrs[level]++; + continue; + } + + /* End of node, pop back towards the root. */ + if (cur->bc_ptrs[level] > be16_to_cpu(block->bb_numrecs)) { + if (level < cur->bc_nlevels - 1) + cur->bc_ptrs[level + 1]++; + level++; + continue; + } + + /* Keys in order for scrub? */ + error = xfs_btree_scrub_key(bs, level); + if (error) + goto out; + + /* Drill another level deeper. */ + pp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[level], block); + level--; + error = xfs_btree_lookup_get_block(cur, level, pp, + &block); + if (error) + goto out; + + xfs_btree_get_block(cur, level, &bp); + error = xfs_btree_check_block(cur, block, level, bp); + if (error) + goto out; + + error = xfs_btree_scrub_check_owner(bs, bp); + if (error) + goto out; + + cur->bc_ptrs[level] = 1; + } + +out: + /* + * If we don't end this function with the cursor pointing at a record + * block, a subsequent non-error cursor deletion will not release + * node-level buffers, causing a buffer leak. This is quite possible + * with a zero-results range query, so release the buffers if we + * failed to return any results. + */ + if (cur->bc_bufs[0] == NULL) { + for (i = 0; i < cur->bc_nlevels; i++) { + if (cur->bc_bufs[i]) { + xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[i]); + cur->bc_bufs[i] = NULL; + cur->bc_ptrs[i] = 0; + cur->bc_ra[i] = 0; + } + } + } + + /* Check the deferred stuff */ + if (!error) { + if (bs->cur->bc_btnum == XFS_BTNUM_BNO) + bs->bno_cur = bs->cur; + else if (bs->cur->bc_btnum == XFS_BTNUM_RMAP) + bs->rmap_cur = bs->cur; + list_for_each_entry(co, &bs->to_check, list) { + error = xfs_btree_block_check_owner(bs, co->bno); + if (error) + break; + } + } + list_for_each_entry_safe(co, n, &bs->to_check, list) { + list_del(&co->list); + kmem_free(co); + } + + if (bs->bno_cur && bs->bno_cur != bs->cur) + xfs_btree_del_cursor(bs->bno_cur, XFS_BTREE_ERROR); + if (bs->rmap_cur && bs->rmap_cur != bs->cur) + xfs_btree_del_cursor(bs->rmap_cur, XFS_BTREE_ERROR); + + if (error || bs->error) + xfs_alert(cur->bc_mp, + "Corruption detected. Unmount and run xfs_repair."); + + return error; +} diff --git a/libxfs/xfs_scrub.h b/libxfs/xfs_scrub.h new file mode 100644 index 0000000..af80a9d --- /dev/null +++ b/libxfs/xfs_scrub.h @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef __XFS_SCRUB_H__ +#define __XFS_SCRUB_H__ + +/* btree scrub */ +struct xfs_btree_scrub; + +typedef int (*xfs_btree_scrub_rec_fn)( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec); + +struct xfs_btree_scrub { + /* caller-provided scrub state */ + struct xfs_btree_cur *cur; + xfs_btree_scrub_rec_fn scrub_rec; + struct xfs_buf *agi_bp; + struct xfs_buf *agf_bp; + struct xfs_buf *agfl_bp; + struct xfs_owner_info oinfo; + + /* internal scrub state */ + union xfs_btree_rec lastrec; + bool firstrec; + union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS]; + bool firstkey[XFS_BTREE_MAXLEVELS]; + struct xfs_btree_cur *rmap_cur; + struct xfs_btree_cur *bno_cur; + struct list_head to_check; + int error; +}; + +int xfs_btree_scrub(struct xfs_btree_scrub *bs); +void xfs_btree_scrub_error(struct xfs_btree_cur *cur, int level, + const char *file, int line, const char *check); +#define XFS_BTREC_SCRUB_CHECK(bs, fs_ok) \ + if (!(fs_ok)) { \ + xfs_btree_scrub_error((bs)->cur, 0, __FILE__, __LINE__, #fs_ok); \ + (bs)->error = -EFSCORRUPTED; \ + } +#define XFS_BTREC_SCRUB_GOTO(bs, fs_ok, label) \ + if (!(fs_ok)) { \ + xfs_btree_scrub_error((bs)->cur, 0, __FILE__, __LINE__, #fs_ok); \ + (bs)->error = -EFSCORRUPTED; \ + goto label; \ + } +#define XFS_BTKEY_SCRUB_CHECK(bs, level, fs_ok) \ + if (!(fs_ok)) { \ + xfs_btree_scrub_error((bs)->cur, (level), __FILE__, __LINE__, #fs_ok); \ + (bs)->error = -EFSCORRUPTED; \ + } +#define XFS_BTKEY_SCRUB_GOTO(bs, level, fs_ok, label) \ + if (!(fs_ok)) { \ + xfs_btree_scrub_error((bs)->cur, 0, __FILE__, __LINE__, #fs_ok); \ + (bs)->error = -EFSCORRUPTED; \ + goto label; \ + } + +#endif /* __XFS_SCRUB_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:45:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DE01584A6 for ; Thu, 16 Jun 2016 20:45:48 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id AF61A8F804C for ; Thu, 16 Jun 2016 18:45:48 -0700 (PDT) X-ASG-Debug-ID: 1466127943-04cb6c5427585f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id fEvs1qfCyetXIV7a (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:43 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1jB0C025126 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:12 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jBkb018701 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:11 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jAXx026145; Fri, 17 Jun 2016 01:45:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:10 -0700 Subject: [PATCH 137/145] xfs_db: introduce the 'fsmap' command to find what owns a set of fsblocks From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 137/145] xfs_db: introduce the 'fsmap' command to find what owns a set of fsblocks To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:09 -0700 Message-ID: <146612790910.16048.446600163243739830.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127943 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8013 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Introduce a new 'fsmap' command to the fs debugger that will query the rmap btree to report the file/metadata extents mapped to a range of physical blocks. Signed-off-by: Darrick J. Wong --- db/Makefile | 2 - db/command.c | 2 + db/fsmap.c | 163 +++++++++++++++++++++++++++++++++++++++++++++++++++++ db/fsmap.h | 20 +++++++ man/man8/xfs_db.8 | 9 +++ 5 files changed, 195 insertions(+), 1 deletion(-) create mode 100644 db/fsmap.c create mode 100644 db/fsmap.h diff --git a/db/Makefile b/db/Makefile index 8260da3..5adea48 100644 --- a/db/Makefile +++ b/db/Makefile @@ -12,7 +12,7 @@ HFILES = addr.h agf.h agfl.h agi.h attr.h attrshort.h bit.h block.h bmap.h \ dir2.h dir2sf.h dquot.h echo.h faddr.h field.h \ flist.h fprint.h frag.h freesp.h hash.h help.h init.h inode.h input.h \ io.h logformat.h malloc.h metadump.h output.h print.h quit.h sb.h \ - sig.h strvec.h text.h type.h write.h attrset.h symlink.h + sig.h strvec.h text.h type.h write.h attrset.h symlink.h fsmap.h CFILES = $(HFILES:.h=.c) LSRCFILES = xfs_admin.sh xfs_ncheck.sh xfs_metadump.sh diff --git a/db/command.c b/db/command.c index 3c17a1e..278c357 100644 --- a/db/command.c +++ b/db/command.c @@ -49,6 +49,7 @@ #include "write.h" #include "malloc.h" #include "dquot.h" +#include "fsmap.h" cmdinfo_t *cmdtab; int ncmds; @@ -128,6 +129,7 @@ init_commands(void) echo_init(); frag_init(); freesp_init(); + fsmap_init(); help_init(); hash_init(); inode_init(); diff --git a/db/fsmap.c b/db/fsmap.c new file mode 100644 index 0000000..a9de401 --- /dev/null +++ b/db/fsmap.c @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs.h" +#include "command.h" +#include "fsmap.h" +#include "output.h" +#include "init.h" + +struct fsmap_info { + unsigned long long nr; + xfs_agnumber_t agno; +}; + +static int +fsmap_fn( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + struct fsmap_info *info = priv; + + dbprintf(_("%llu: %u/%u len %u owner %lld offset %llu bmbt %d attrfork %d extflag %d\n"), + info->nr, info->agno, rec->rm_startblock, + rec->rm_blockcount, rec->rm_owner, rec->rm_offset, + !!(rec->rm_flags & XFS_RMAP_BMBT_BLOCK), + !!(rec->rm_flags & XFS_RMAP_ATTR_FORK), + !!(rec->rm_flags & XFS_RMAP_UNWRITTEN)); + info->nr++; + + return 0; +} + +int +fsmap_f( + int argc, + char **argv) +{ + char *p; + struct fsmap_info info; + xfs_agnumber_t start_ag; + xfs_agnumber_t end_ag; + xfs_agnumber_t agno; + xfs_fsblock_t start_fsb = 0; + xfs_fsblock_t end_fsb = NULLFSBLOCK; + struct xfs_rmap_irec low; + struct xfs_rmap_irec high; + struct xfs_btree_cur *bt_cur; + struct xfs_buf *agbp; + int c; + xfs_daddr_t eofs; + int error; + + if (!xfs_sb_version_hasrmapbt(&mp->m_sb)) { + dbprintf(_("Filesystem does not support reverse mapping btree.\n")); + return 0; + } + + while ((c = getopt(argc, argv, "")) != EOF) { + switch (c) { + default: + dbprintf(_("Bad option for fsmap command.\n")); + return 0; + } + } + + if (argc > optind) { + start_fsb = strtoull(argv[optind], &p, 0); + if (*p != '\0' || start_fsb >= mp->m_sb.sb_dblocks) { + dbprintf(_("Bad fsmap start_fsb %s.\n"), argv[optind]); + return 0; + } + } + + if (argc > optind + 1) { + end_fsb = strtoull(argv[optind + 1], &p, 0); + if (*p != '\0') { + dbprintf(_("Bad fsmap end_fsb %s.\n"), argv[optind + 1]); + return 0; + } + } + + eofs = XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks); + if (XFS_FSB_TO_DADDR(mp, end_fsb) >= eofs) + end_fsb = XFS_DADDR_TO_FSB(mp, eofs - 1); + + low.rm_startblock = XFS_FSB_TO_AGBNO(mp, start_fsb); + low.rm_owner = 0; + low.rm_offset = 0; + low.rm_flags = 0; + high.rm_startblock = -1U; + high.rm_owner = ULLONG_MAX; + high.rm_offset = ULLONG_MAX; + high.rm_flags = XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK | XFS_RMAP_UNWRITTEN; + + start_ag = XFS_FSB_TO_AGNO(mp, start_fsb); + end_ag = XFS_FSB_TO_AGNO(mp, end_fsb); + + info.nr = 0; + for (agno = start_ag; agno <= end_ag; agno++) { + if (agno == end_ag) + high.rm_startblock = XFS_FSB_TO_AGBNO(mp, end_fsb); + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp); + if (error) { + dbprintf(_("Error %d while reading AGF.\n"), error); + return 0; + } + + bt_cur = xfs_rmapbt_init_cursor(mp, NULL, agbp, agno); + if (!bt_cur) { + libxfs_putbuf(agbp); + dbprintf(_("Not enough memory.\n")); + return 0; + } + + info.agno = agno; + error = xfs_rmapbt_query_range(bt_cur, &low, &high, + fsmap_fn, &info); + if (error) { + xfs_btree_del_cursor(bt_cur, XFS_BTREE_ERROR); + libxfs_putbuf(agbp); + dbprintf(_("Error %d while querying fsmap btree.\n"), + error); + return 0; + } + + xfs_btree_del_cursor(bt_cur, XFS_BTREE_NOERROR); + libxfs_putbuf(agbp); + + if (agno == start_ag) + low.rm_startblock = 0; + } + + return 0; +} + +static const cmdinfo_t fsmap_cmd = + { "fsmap", NULL, fsmap_f, 0, 2, 0, + N_("start_fsb [end_fsb]"), + N_("display reverse mapping(s)"), NULL }; + +void +fsmap_init(void) +{ + add_command(&fsmap_cmd); +} diff --git a/db/fsmap.h b/db/fsmap.h new file mode 100644 index 0000000..f8aacd3 --- /dev/null +++ b/db/fsmap.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +extern void fsmap_init(void); diff --git a/man/man8/xfs_db.8 b/man/man8/xfs_db.8 index b6d2f64..514e3aa 100644 --- a/man/man8/xfs_db.8 +++ b/man/man8/xfs_db.8 @@ -568,6 +568,15 @@ command to convert to and from this form. Block numbers given for file blocks .B bmap command) are in this form. .TP +.BI "fsmap [ " start " ] [ " end " ] +Prints the mapping of disk blocks used by an XFS filesystem. The map +lists each extent used by files, allocation group metadata, +journalling logs, and static filesystem metadata, as well as any +regions that are unused. All blocks, offsets, and lengths are specified +in units of 512-byte blocks, no matter what the filesystem's block size is. +.BI "The optional " start " and " end " arguments can be used to constrain +the output to a particular range of disk blocks. +.TP .BI hash " string Prints the hash value of .I string From darrick.wong@oracle.com Thu Jun 16 20:45:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6BAE384A7 for ; Thu, 16 Jun 2016 20:45:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3D02E8F804C for ; Thu, 16 Jun 2016 18:45:49 -0700 (PDT) X-ASG-Debug-ID: 1466127947-04cbb01fee6aa00001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id EDPfJKMdlO4MRFYQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:47 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1jgie013469 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:43 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jgFQ014984 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:42 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jgtb031977; Fri, 17 Jun 2016 01:45:42 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:41 -0700 Subject: [PATCH 142/145] xfs: support scrubbing rmap btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 142/145] xfs: support scrubbing rmap btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:40 -0700 Message-ID: <146612794031.16048.1037164649883976756.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127947 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4390 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the pieces necessary to check the rmap btree. Signed-off-by: Darrick J. Wong --- libxfs/xfs_rmap.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_rmap_btree.c | 4 -- libxfs/xfs_rmap_btree.h | 2 + 3 files changed, 79 insertions(+), 4 deletions(-) diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c index 3ec9a35..4e0e472 100644 --- a/libxfs/xfs_rmap.c +++ b/libxfs/xfs_rmap.c @@ -36,6 +36,7 @@ #include "xfs_trace.h" #include "xfs_bmap.h" #include "xfs_inode.h" +#include "xfs_scrub.h" /* * Lookup the first record less than or equal to [bno, len, owner, offset] @@ -2365,3 +2366,79 @@ xfs_rmap_record_exists( irec.rm_startblock + irec.rm_blockcount >= bno + len); return 0; } + +STATIC int +xfs_rmapbt_scrub_helper( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec) +{ + struct xfs_mount *mp = bs->cur->bc_mp; + struct xfs_rmap_irec irec; + bool is_freesp; + bool non_inode; + bool is_unwritten; + bool is_bmbt; + bool is_attr; + int error; + + error = xfs_rmapbt_btrec_to_irec(rec, &irec); + if (error) + return error; + + XFS_BTREC_SCRUB_CHECK(bs, irec.rm_startblock < mp->m_sb.sb_agblocks) + XFS_BTREC_SCRUB_CHECK(bs, irec.rm_startblock < irec.rm_startblock + + irec.rm_blockcount); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)irec.rm_startblock + + irec.rm_blockcount <= mp->m_sb.sb_agblocks) + + non_inode = XFS_RMAP_NON_INODE_OWNER(irec.rm_owner); + is_bmbt = irec.rm_flags & XFS_RMAP_ATTR_FORK; + is_attr = irec.rm_flags & XFS_RMAP_BMBT_BLOCK; + is_unwritten = irec.rm_flags & XFS_RMAP_UNWRITTEN; + + XFS_BTREC_SCRUB_CHECK(bs, !is_bmbt || irec.rm_offset == 0); + XFS_BTREC_SCRUB_CHECK(bs, !non_inode || irec.rm_offset == 0); + XFS_BTREC_SCRUB_CHECK(bs, !is_unwritten || !(is_bmbt || non_inode || + is_attr)); + XFS_BTREC_SCRUB_CHECK(bs, !non_inode || !(is_bmbt || is_unwritten || + is_attr)); + + /* check there's no record in freesp btrees */ + error = xfs_alloc_record_exists(bs->bno_cur, irec.rm_startblock, + irec.rm_blockcount, &is_freesp); + if (error) + goto err; + XFS_BTREC_SCRUB_CHECK(bs, !is_freesp); + + /* XXX: check with the owner */ + +err: + return error; +} + +/* Scrub the rmap btree for some AG. */ +int +xfs_rmapbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_btree_scrub bs; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &bs.agf_bp); + if (error) + return error; + + bs.cur = xfs_rmapbt_init_cursor(mp, NULL, bs.agf_bp, agno); + bs.scrub_rec = xfs_rmapbt_scrub_helper; + xfs_rmap_ag_owner(&bs.oinfo, XFS_RMAP_OWN_AG); + error = xfs_btree_scrub(&bs); + xfs_btree_del_cursor(bs.cur, + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, bs.agf_bp); + + if (!error && bs.error) + error = bs.error; + + return error; +} diff --git a/libxfs/xfs_rmap_btree.c b/libxfs/xfs_rmap_btree.c index 0b7da82..e592833 100644 --- a/libxfs/xfs_rmap_btree.c +++ b/libxfs/xfs_rmap_btree.c @@ -370,7 +370,6 @@ const struct xfs_buf_ops xfs_rmapbt_buf_ops = { .verify_write = xfs_rmapbt_write_verify, }; -#if defined(DEBUG) || defined(XFS_WARN) STATIC int xfs_rmapbt_keys_inorder( struct xfs_btree_cur *cur, @@ -406,7 +405,6 @@ xfs_rmapbt_recs_inorder( return 1; return 0; } -#endif /* DEBUG */ static const struct xfs_btree_ops xfs_rmapbt_ops = { .rec_len = sizeof(struct xfs_rmap_rec), @@ -426,10 +424,8 @@ static const struct xfs_btree_ops xfs_rmapbt_ops = { .key_diff = xfs_rmapbt_key_diff, .buf_ops = &xfs_rmapbt_buf_ops, .diff_two_keys = xfs_rmapbt_diff_two_keys, -#if defined(DEBUG) || defined(XFS_WARN) .keys_inorder = xfs_rmapbt_keys_inorder, .recs_inorder = xfs_rmapbt_recs_inorder, -#endif }; /* diff --git a/libxfs/xfs_rmap_btree.h b/libxfs/xfs_rmap_btree.h index 2f072c8..3f8742d 100644 --- a/libxfs/xfs_rmap_btree.h +++ b/libxfs/xfs_rmap_btree.h @@ -147,4 +147,6 @@ extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, extern int xfs_rmap_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, xfs_extlen_t len, struct xfs_owner_info *oinfo, bool *has_rmap); +int xfs_rmapbt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); + #endif /* __XFS_RMAP_BTREE_H__ */ From darrick.wong@oracle.com Thu Jun 16 20:45:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C09FA84BC for ; Thu, 16 Jun 2016 20:45:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 49110AC001 for ; Thu, 16 Jun 2016 18:45:52 -0700 (PDT) X-ASG-Debug-ID: 1466127949-04bdf01e15967a0001-NocioJ Received: from aserp1050.oracle.com (aserp1050.oracle.com [141.146.126.70]) by cuda.sgi.com with ESMTP id 6e8ENQB75qBUkusg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:49 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1050.oracle.com[141.146.126.70] X-Barracuda-Apparent-Source-IP: 141.146.126.70 Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by aserp1050.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1jdl5031639 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 17 Jun 2016 01:45:40 GMT Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1j148012445 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:01 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ixX0005445 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:01 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1iw8O031473; Fri, 17 Jun 2016 01:44:58 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:44:58 -0700 Subject: [PATCH 135/145] mkfs.xfs: format reflink enabled filesystems From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 135/145] mkfs.xfs: format reflink enabled filesystems To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:44:56 -0700 Message-ID: <146612789675.16048.3320445583494719487.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserp1040.oracle.com [141.146.126.69] X-Barracuda-Connect: aserp1050.oracle.com[141.146.126.70] X-Barracuda-Start-Time: 1466127949 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9221 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.75 X-Barracuda-Spam-Status: No, SCORE=0.75 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_RULE_7580D, BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.75 BSF_RULE_7580D Custom Rule 7580D Create the refcount btree at mkfs time and set the feature flag. v2: Turn on the reflink feature when calculating the minimum log size. Signed-off-by: Darrick J. Wong --- include/xfs_multidisk.h | 3 +- man/man8/mkfs.xfs.8 | 28 ++++++++++++++++++++ mkfs/maxtrres.c | 5 +++- mkfs/xfs_mkfs.c | 67 +++++++++++++++++++++++++++++++++++++++++++---- 4 files changed, 95 insertions(+), 8 deletions(-) diff --git a/include/xfs_multidisk.h b/include/xfs_multidisk.h index 8dc3027..ce9bbce 100644 --- a/include/xfs_multidisk.h +++ b/include/xfs_multidisk.h @@ -68,6 +68,7 @@ extern void res_failed (int err); /* maxtrres.c */ extern int max_trans_res(unsigned long agsize, int crcs_enabled, int dirversion, int sectorlog, int blocklog, int inodelog, int dirblocklog, - int logversion, int log_sunit, int finobt, int rmapbt); + int logversion, int log_sunit, int finobt, int rmapbt, + int reflink); #endif /* __XFS_MULTIDISK_H__ */ diff --git a/man/man8/mkfs.xfs.8 b/man/man8/mkfs.xfs.8 index d88d314..6131e24 100644 --- a/man/man8/mkfs.xfs.8 +++ b/man/man8/mkfs.xfs.8 @@ -213,6 +213,34 @@ for filesystems created with the (default) option set. When the option .B \-m crc=0 is used, the reverse mapping btree feature is not supported and is disabled. +.TP +.BI reflink= value +This option enables the use of a separate reference count btree index in each +allocation group. The value is either 0 to disable the feature, or 1 to create +a reference count btree in each allocation group. +.IP +The reference count btree enables the sharing of physical extents between +the data forks of different files, which is commonly known as "reflink". +Unlike traditional Unix filesystems which assume that every inode and +logical block pair map to a unique physical block, a reflink-capable +XFS filesystem removes the uniqueness requirement, allowing up to four +billion arbitrary inode/logical block pairs to map to a physical block. +If a program tries to write to a multiply-referenced block in a file, the write +will be redirected to a new block, and that file's logical-to-physical +mapping will be changed to the new block ("copy on write"). This feature +enables the creation of per-file snapshots and deduplication. It is only +available for the data forks of regular files. +.IP +By default, +.B mkfs.xfs +will not create reference count btrees and therefore will not enable the +reflink feature. This feature is only available for filesystems created with +the (default) +.B \-m crc=1 +option set. When the option +.B \-m crc=0 +is used, the reference count btree feature is not supported and reflink is +disabled. .RE .TP .BI \-d " data_section_options" diff --git a/mkfs/maxtrres.c b/mkfs/maxtrres.c index fc24eac..a9c0985 100644 --- a/mkfs/maxtrres.c +++ b/mkfs/maxtrres.c @@ -39,7 +39,8 @@ max_trans_res( int logversion, int log_sunit, int finobt, - int rmapbt) + int rmapbt, + int reflink) { xfs_sb_t *sbp; xfs_mount_t mount; @@ -75,6 +76,8 @@ max_trans_res( sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_FINOBT; if (rmapbt) sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_RMAPBT; + if (reflink) + sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_REFLINK; libxfs_mount(&mount, sbp, 0,0,0,0); maxfsb = xfs_log_calc_minimum_size(&mount); diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 634dcfd..3753731 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -682,6 +682,8 @@ struct opt_params mopts = { "uuid", #define M_RMAPBT 3 "rmapbt", +#define M_REFLINK 4 + "reflink", NULL }, .subopt_params = { @@ -707,6 +709,12 @@ struct opt_params mopts = { .maxval = 1, .defaultval = 0, }, + { .index = M_REFLINK, + .conflicts = { LAST_CONFLICT }, + .minval = 0, + .maxval = 1, + .defaultval = 0, + }, }, }; @@ -1463,6 +1471,7 @@ struct sb_feat_args { bool dirftype; bool parent_pointers; bool rmapbt; + bool reflink; }; static void @@ -1535,6 +1544,8 @@ sb_set_features( sbp->sb_features_ro_compat = XFS_SB_FEAT_RO_COMPAT_FINOBT; if (fp->rmapbt) sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_RMAPBT; + if (fp->reflink) + sbp->sb_features_ro_compat |= XFS_SB_FEAT_RO_COMPAT_REFLINK; /* * Sparse inode chunk support has two main inode alignment requirements. @@ -1796,6 +1807,7 @@ main( .dirftype = true, .parent_pointers = false, .rmapbt = false, + .reflink = false, }; platform_uuid_generate(&uuid); @@ -2089,6 +2101,10 @@ main( sb_feat.rmapbt = getnum( value, &mopts, M_RMAPBT); break; + case M_REFLINK: + sb_feat.reflink = getnum( + value, &mopts, M_REFLINK); + break; default: unknown('m', value); } @@ -2431,6 +2447,13 @@ _("rmapbt not supported without CRC support\n")); usage(); } sb_feat.rmapbt = false; + + if (sb_feat.reflink) { + fprintf(stderr, +_("reflink not supported without CRC support\n")); + usage(); + } + sb_feat.reflink = false; } @@ -2921,7 +2944,7 @@ an AG size that is one stripe unit smaller, for example %llu.\n"), sb_feat.crcs_enabled, sb_feat.dir_version, sectorlog, blocklog, inodelog, dirblocklog, sb_feat.log_version, lsunit, sb_feat.finobt, - sb_feat.rmapbt); + sb_feat.rmapbt, sb_feat.reflink); ASSERT(min_logblocks); min_logblocks = MAX(XFS_MIN_LOG_BLOCKS, min_logblocks); if (!logsize && dblocks >= (1024*1024*1024) >> blocklog) @@ -3056,7 +3079,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), printf(_( "meta-data=%-22s isize=%-6d agcount=%lld, agsize=%lld blks\n" " =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n" - " =%-22s crc=%-8u finobt=%u, sparse=%u, rmapbt=%u\n" + " =%-22s crc=%-8u finobt=%u, sparse=%u, rmapbt=%u, reflink=%u\n" "data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n" " =%-22s sunit=%-6u swidth=%u blks\n" "naming =version %-14u bsize=%-6u ascii-ci=%d ftype=%d\n" @@ -3067,7 +3090,7 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), "", sectorsize, sb_feat.attr_version, !sb_feat.projid16bit, "", sb_feat.crcs_enabled, sb_feat.finobt, sb_feat.spinodes, - sb_feat.rmapbt, + sb_feat.rmapbt, sb_feat.reflink, "", blocksize, (long long)dblocks, imaxpct, "", dsunit, dswidth, sb_feat.dir_version, dirblocksize, sb_feat.nci, @@ -3254,7 +3277,10 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), cpu_to_be32(XFS_RMAP_BLOCK(mp)); agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1); } - + if (xfs_sb_version_hasreflink(&mp->m_sb)) { + agf->agf_refcount_root = cpu_to_be32(xfs_refc_block(mp)); + agf->agf_refcount_level = cpu_to_be32(1); + } agf->agf_flfirst = 0; agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1); agf->agf_flcount = 0; @@ -3423,6 +3449,23 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE); /* + * refcount btree root block + */ + if (xfs_sb_version_hasreflink(&mp->m_sb)) { + buf = libxfs_getbuf(mp->m_ddev_targp, + XFS_AGB_TO_DADDR(mp, agno, xfs_refc_block(mp)), + bsize); + buf->b_ops = &xfs_refcountbt_buf_ops; + + block = XFS_BUF_TO_BLOCK(buf); + memset(block, 0, blocksize); + xfs_btree_init_block(mp, buf, XFS_REFC_CRC_MAGIC, 0, 0, + agno, XFS_BTREE_CRC_BLOCKS); + + libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE); + } + + /* * INO btree root block */ buf = libxfs_getbuf(mp->m_ddev_targp, @@ -3510,9 +3553,21 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), rrec->rm_offset = 0; be16_add_cpu(&block->bb_numrecs, 1); + /* account for refcount btree root */ + if (xfs_sb_version_hasreflink(&mp->m_sb)) { + rrec = XFS_RMAP_REC_ADDR(block, 5); + rrec->rm_startblock = cpu_to_be32( + xfs_refc_block(mp)); + rrec->rm_blockcount = cpu_to_be32(1); + rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_REFC); + rrec->rm_offset = 0; + be16_add_cpu(&block->bb_numrecs, 1); + } + /* account for the log space */ if (loginternal && agno == logagno) { - rrec = XFS_RMAP_REC_ADDR(block, 5); + rrec = XFS_RMAP_REC_ADDR(block, + be16_to_cpu(block->bb_numrecs) + 1); rrec->rm_startblock = cpu_to_be32( XFS_FSB_TO_AGBNO(mp, logstart)); rrec->rm_blockcount = cpu_to_be32(logblocks); @@ -3748,7 +3803,7 @@ usage( void ) { fprintf(stderr, _("Usage: %s\n\ /* blocksize */ [-b log=n|size=num]\n\ -/* metadata */ [-m crc=0|1,finobt=0|1,uuid=xxx,rmapbt=0|1]\n\ +/* metadata */ [-m crc=0|1,finobt=0|1,uuid=xxx,rmapbt=0|1,reflink=0|1]\n\ /* data subvol */ [-d agcount=n,agsize=n,file,name=xxx,size=num,\n\ (sunit=value,swidth=value|su=num,sw=num|noalign),\n\ sectlog=n|sectsize=num\n\ From darrick.wong@oracle.com Thu Jun 16 20:45:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 22DEF84C2 for ; Thu, 16 Jun 2016 20:45:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id A10FAAC002 for ; Thu, 16 Jun 2016 18:45:54 -0700 (PDT) X-ASG-Debug-ID: 1466127951-04bdf01e13967b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ytsqlsCbAZvEdsUk (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1je42013438 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:45:41 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1jebC012645 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:40 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jZRT014164; Fri, 17 Jun 2016 01:45:39 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:35 -0700 Subject: [PATCH 141/145] xfs: support scrubbing inode btrees From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 141/145] xfs: support scrubbing inode btrees To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:34 -0700 Message-ID: <146612793409.16048.2627788174769006287.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127952 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8438 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the pieces necessary to check the inode btrees. Signed-off-by: Darrick J. Wong --- libxfs/xfs_ialloc.c | 178 +++++++++++++++++++++++++++++++++++++++++---- libxfs/xfs_ialloc.h | 2 + libxfs/xfs_ialloc_btree.c | 18 +++-- 3 files changed, 176 insertions(+), 22 deletions(-) diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c index 8c2344c..d0fb2db 100644 --- a/libxfs/xfs_ialloc.c +++ b/libxfs/xfs_ialloc.c @@ -34,6 +34,8 @@ #include "xfs_cksum.h" #include "xfs_trans.h" #include "xfs_trace.h" +#include "xfs_rmap_btree.h" +#include "xfs_scrub.h" /* @@ -92,24 +94,14 @@ xfs_inobt_update( return xfs_btree_update(cur, &rec); } -/* - * Get the data from the pointed-to record. - */ -int /* error */ -xfs_inobt_get_rec( - struct xfs_btree_cur *cur, /* btree cursor */ - xfs_inobt_rec_incore_t *irec, /* btree record */ - int *stat) /* output: success/failure */ +STATIC void +xfs_inobt_btrec_to_irec( + struct xfs_mount *mp, + union xfs_btree_rec *rec, + struct xfs_inobt_rec_incore *irec) { - union xfs_btree_rec *rec; - int error; - - error = xfs_btree_get_rec(cur, &rec, stat); - if (error || *stat == 0) - return error; - irec->ir_startino = be32_to_cpu(rec->inobt.ir_startino); - if (xfs_sb_version_hassparseinodes(&cur->bc_mp->m_sb)) { + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) { irec->ir_holemask = be16_to_cpu(rec->inobt.ir_u.sp.ir_holemask); irec->ir_count = rec->inobt.ir_u.sp.ir_count; irec->ir_freecount = rec->inobt.ir_u.sp.ir_freecount; @@ -124,6 +116,25 @@ xfs_inobt_get_rec( be32_to_cpu(rec->inobt.ir_u.f.ir_freecount); } irec->ir_free = be64_to_cpu(rec->inobt.ir_free); +} + +/* + * Get the data from the pointed-to record. + */ +int /* error */ +xfs_inobt_get_rec( + struct xfs_btree_cur *cur, /* btree cursor */ + xfs_inobt_rec_incore_t *irec, /* btree record */ + int *stat) /* output: success/failure */ +{ + union xfs_btree_rec *rec; + int error; + + error = xfs_btree_get_rec(cur, &rec, stat); + if (error || *stat == 0) + return error; + + xfs_inobt_btrec_to_irec(cur->bc_mp, rec, irec); return 0; } @@ -2644,3 +2655,138 @@ xfs_ialloc_pagi_init( xfs_trans_brelse(tp, bp); return 0; } + +STATIC int +xfs_iallocbt_scrub_helper( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec) +{ + struct xfs_mount *mp = bs->cur->bc_mp; + struct xfs_inobt_rec_incore irec; + __uint16_t holemask; + xfs_agino_t agino; + xfs_agblock_t bno; + xfs_extlen_t len; + int holecount; + int i; + bool has_rmap = false; + struct xfs_owner_info oinfo; + int error = 0; + uint64_t holes; + + xfs_inobt_btrec_to_irec(mp, rec, &irec); + + XFS_BTREC_SCRUB_CHECK(bs, irec.ir_count <= XFS_INODES_PER_CHUNK); + XFS_BTREC_SCRUB_CHECK(bs, irec.ir_freecount <= XFS_INODES_PER_CHUNK); + agino = irec.ir_startino; + xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_INODES); + + /* Handle non-sparse inodes */ + if (!xfs_inobt_issparse(irec.ir_holemask)) { + len = XFS_B_TO_FSB(mp, + XFS_INODES_PER_CHUNK * mp->m_sb.sb_inodesize); + bno = XFS_AGINO_TO_AGBNO(mp, agino); + + XFS_BTREC_SCRUB_CHECK(bs, bno < mp->m_sb.sb_agblocks) + XFS_BTREC_SCRUB_CHECK(bs, bno < bno + len); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)bno + len <= + mp->m_sb.sb_agblocks); + + if (!bs->rmap_cur) + return error; + error = xfs_rmap_record_exists(bs->rmap_cur, bno, len, &oinfo, + &has_rmap); + if (error) + return error; + XFS_BTREC_SCRUB_CHECK(bs, has_rmap); + return 0; + } + + /* Check each chunk of a sparse inode cluster. */ + holemask = irec.ir_holemask; + holecount = 0; + len = XFS_B_TO_FSB(mp, + XFS_INODES_PER_HOLEMASK_BIT * mp->m_sb.sb_inodesize); + holes = ~xfs_inobt_irec_to_allocmask(&irec); + XFS_BTREC_SCRUB_CHECK(bs, (holes & irec.ir_free) == holes); + XFS_BTREC_SCRUB_CHECK(bs, irec.ir_freecount <= irec.ir_count); + + for (i = 0; i < XFS_INOBT_HOLEMASK_BITS; holemask >>= 1, + i++, agino += XFS_INODES_PER_HOLEMASK_BIT) { + if (holemask & 1) { + holecount += XFS_INODES_PER_HOLEMASK_BIT; + continue; + } + bno = XFS_AGINO_TO_AGBNO(mp, agino); + + XFS_BTREC_SCRUB_CHECK(bs, bno < mp->m_sb.sb_agblocks) + XFS_BTREC_SCRUB_CHECK(bs, bno < bno + len); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)bno + len <= + mp->m_sb.sb_agblocks); + + if (!bs->rmap_cur) + continue; + error = xfs_rmap_record_exists(bs->rmap_cur, bno, len, &oinfo, + &has_rmap); + if (error) + break; + XFS_BTREC_SCRUB_CHECK(bs, has_rmap); + } + + XFS_BTREC_SCRUB_CHECK(bs, holecount <= XFS_INODES_PER_CHUNK); + XFS_BTREC_SCRUB_CHECK(bs, holecount + irec.ir_count == + XFS_INODES_PER_CHUNK); + + return error; +} + +/* Scrub the inode btrees for some AG. */ +STATIC int +xfs_iallocbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno, + xfs_btnum_t which) +{ + struct xfs_btree_scrub bs; + int error; + + error = xfs_ialloc_read_agi(mp, NULL, agno, &bs.agi_bp); + if (error) + return error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &bs.agf_bp); + if (error) { + xfs_trans_brelse(NULL, bs.agi_bp); + return error; + } + + bs.cur = xfs_inobt_init_cursor(mp, NULL, bs.agi_bp, agno, which); + bs.scrub_rec = xfs_iallocbt_scrub_helper; + xfs_rmap_ag_owner(&bs.oinfo, XFS_RMAP_OWN_INOBT); + error = xfs_btree_scrub(&bs); + xfs_btree_del_cursor(bs.cur, + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, bs.agf_bp); + xfs_trans_brelse(NULL, bs.agi_bp); + + if (!error && bs.error) + error = bs.error; + + return error; +} + +int +xfs_inobt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return xfs_iallocbt_scrub(mp, agno, XFS_BTNUM_INO); +} + +int +xfs_finobt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return xfs_iallocbt_scrub(mp, agno, XFS_BTNUM_FINO); +} diff --git a/libxfs/xfs_ialloc.h b/libxfs/xfs_ialloc.h index 0bb8966..7ea6ff3 100644 --- a/libxfs/xfs_ialloc.h +++ b/libxfs/xfs_ialloc.h @@ -168,5 +168,7 @@ int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp, int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp, xfs_agnumber_t agno, struct xfs_buf **bpp); +extern int xfs_inobt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); +extern int xfs_finobt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); #endif /* __XFS_IALLOC_H__ */ diff --git a/libxfs/xfs_ialloc_btree.c b/libxfs/xfs_ialloc_btree.c index 36d09eb..81a7b97 100644 --- a/libxfs/xfs_ialloc_btree.c +++ b/libxfs/xfs_ialloc_btree.c @@ -203,6 +203,16 @@ xfs_inobt_key_diff( cur->bc_rec.i.ir_startino; } +STATIC __int64_t +xfs_inobt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k2->inobt.ir_startino) - + be32_to_cpu(k1->inobt.ir_startino); +} + static int xfs_inobt_verify( struct xfs_buf *bp) @@ -277,7 +287,6 @@ const struct xfs_buf_ops xfs_inobt_buf_ops = { .verify_write = xfs_inobt_write_verify, }; -#if defined(DEBUG) || defined(XFS_WARN) STATIC int xfs_inobt_keys_inorder( struct xfs_btree_cur *cur, @@ -297,7 +306,6 @@ xfs_inobt_recs_inorder( return be32_to_cpu(r1->inobt.ir_startino) + XFS_INODES_PER_CHUNK <= be32_to_cpu(r2->inobt.ir_startino); } -#endif /* DEBUG */ static const struct xfs_btree_ops xfs_inobt_ops = { .rec_len = sizeof(xfs_inobt_rec_t), @@ -314,10 +322,9 @@ static const struct xfs_btree_ops xfs_inobt_ops = { .init_ptr_from_cur = xfs_inobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, .buf_ops = &xfs_inobt_buf_ops, -#if defined(DEBUG) || defined(XFS_WARN) + .diff_two_keys = xfs_inobt_diff_two_keys, .keys_inorder = xfs_inobt_keys_inorder, .recs_inorder = xfs_inobt_recs_inorder, -#endif }; static const struct xfs_btree_ops xfs_finobt_ops = { @@ -335,10 +342,9 @@ static const struct xfs_btree_ops xfs_finobt_ops = { .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, .key_diff = xfs_inobt_key_diff, .buf_ops = &xfs_inobt_buf_ops, -#if defined(DEBUG) || defined(XFS_WARN) + .diff_two_keys = xfs_inobt_diff_two_keys, .keys_inorder = xfs_inobt_keys_inorder, .recs_inorder = xfs_inobt_recs_inorder, -#endif }; /* From darrick.wong@oracle.com Thu Jun 16 20:45:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 217AD84C2 for ; Thu, 16 Jun 2016 20:45:56 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id C909D8F804C for ; Thu, 16 Jun 2016 18:45:55 -0700 (PDT) X-ASG-Debug-ID: 1466127953-04bdf01e17967c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id DmJmEUstHDKjymr6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:53 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1jU3p025613 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:31 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jUWK006497 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:30 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jTDm031895; Fri, 17 Jun 2016 01:45:29 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:29 -0700 Subject: [PATCH 140/145] xfs: support scrubbing free space btrees From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 140/145] xfs: support scrubbing free space btrees To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:27 -0700 Message-ID: <146612792793.16048.10429034360993638272.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127953 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7261 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the pieces necessary to check the free space btrees. Signed-off-by: Darrick J. Wong --- libxfs/libxfs_priv.h | 1 libxfs/xfs_alloc.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_alloc.h | 3 + libxfs/xfs_alloc_btree.c | 51 +++++++++++++++++++++--- 4 files changed, 147 insertions(+), 6 deletions(-) diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h index 527bd49..dabdafc 100644 --- a/libxfs/libxfs_priv.h +++ b/libxfs/libxfs_priv.h @@ -518,5 +518,6 @@ int libxfs_zero_extent(struct xfs_inode *ip, xfs_fsblock_t start_fsb, bool xfs_log_check_lsn(struct xfs_mount *, xfs_lsn_t); #define xfs_always_cow (false) +#define xfs_err(...) ((void)0) #endif /* __LIBXFS_INTERNAL_XFS_H__ */ diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c index 7ab05e3..7219057 100644 --- a/libxfs/xfs_alloc.c +++ b/libxfs/xfs_alloc.c @@ -35,6 +35,7 @@ #include "xfs_trans.h" #include "xfs_ag_resv.h" #include "xfs_refcount_btree.h" +#include "xfs_scrub.h" struct workqueue_struct *xfs_alloc_wq; @@ -2953,3 +2954,100 @@ xfs_alloc_record_exists( *is_freesp = (fbno <= bno && fbno + flen >= bno + len); return 0; } + +STATIC int +xfs_allocbt_scrub_rmap_check( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + xfs_err(cur->bc_mp, "%s: freespace in rmapbt! %u/%u %u %lld %lld %x", + __func__, cur->bc_private.a.agno, rec->rm_startblock, + rec->rm_blockcount, rec->rm_owner, rec->rm_offset, + rec->rm_flags); + return XFS_BTREE_QUERY_RANGE_ABORT; +} + +STATIC int +xfs_allocbt_scrub_helper( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec) +{ + struct xfs_mount *mp = bs->cur->bc_mp; + xfs_agblock_t bno; + xfs_extlen_t len; + struct xfs_rmap_irec low; + struct xfs_rmap_irec high; + bool no_rmap; + int error; + + bno = be32_to_cpu(rec->alloc.ar_startblock); + len = be32_to_cpu(rec->alloc.ar_blockcount); + + XFS_BTREC_SCRUB_CHECK(bs, bno <= mp->m_sb.sb_agblocks); + XFS_BTREC_SCRUB_CHECK(bs, bno < bno + len); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)bno + len <= + mp->m_sb.sb_agblocks); + + /* if rmapbt, make sure there's no record */ + if (!bs->rmap_cur) + return 0; + + memset(&low, 0, sizeof(low)); + low.rm_startblock = bno; + memset(&high, 0xFF, sizeof(high)); + high.rm_startblock = bno + len - 1; + + error = xfs_rmapbt_query_range(bs->rmap_cur, &low, &high, + &xfs_allocbt_scrub_rmap_check, NULL); + if (error && error != XFS_BTREE_QUERY_RANGE_ABORT) + goto err; + no_rmap = error == 0; + XFS_BTREC_SCRUB_CHECK(bs, no_rmap); +err: + return error; +} + +/* Scrub the freespace btrees for some AG. */ +STATIC int +xfs_allocbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno, + int which) +{ + struct xfs_btree_scrub bs; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &bs.agf_bp); + if (error) + return error; + + bs.cur = xfs_allocbt_init_cursor(mp, NULL, bs.agf_bp, agno, which); + bs.scrub_rec = xfs_allocbt_scrub_helper; + xfs_rmap_ag_owner(&bs.oinfo, XFS_RMAP_OWN_AG); + error = xfs_btree_scrub(&bs); + xfs_btree_del_cursor(bs.cur, + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, bs.agf_bp); + + if (!error && bs.error) + error = bs.error; + + return error; +} + +int +xfs_bnobt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return xfs_allocbt_scrub(mp, agno, XFS_BTNUM_BNO); +} + +int +xfs_cntbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + return xfs_allocbt_scrub(mp, agno, XFS_BTNUM_CNT); +} diff --git a/libxfs/xfs_alloc.h b/libxfs/xfs_alloc.h index 4f2ce38..f1fcc7e 100644 --- a/libxfs/xfs_alloc.h +++ b/libxfs/xfs_alloc.h @@ -213,4 +213,7 @@ xfs_extlen_t xfs_prealloc_blocks(struct xfs_mount *mp); int xfs_alloc_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, xfs_extlen_t len, bool *is_freesp); +int xfs_bnobt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); +int xfs_cntbt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); + #endif /* __XFS_ALLOC_H__ */ diff --git a/libxfs/xfs_alloc_btree.c b/libxfs/xfs_alloc_btree.c index ff4bae4..1794791 100644 --- a/libxfs/xfs_alloc_btree.c +++ b/libxfs/xfs_alloc_btree.c @@ -254,6 +254,26 @@ xfs_allocbt_key_diff( return (__int64_t)be32_to_cpu(kp->ar_startblock) - rec->ar_startblock; } +STATIC __int64_t +xfs_bnobt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k2->alloc.ar_startblock) - + be32_to_cpu(k1->alloc.ar_startblock); +} + +STATIC __int64_t +xfs_cntbt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k2->alloc.ar_blockcount) - + be32_to_cpu(k1->alloc.ar_blockcount); +} + static bool xfs_allocbt_verify( struct xfs_buf *bp) @@ -342,7 +362,6 @@ const struct xfs_buf_ops xfs_allocbt_buf_ops = { }; -#if defined(DEBUG) || defined(XFS_WARN) STATIC int xfs_allocbt_keys_inorder( struct xfs_btree_cur *cur, @@ -379,9 +398,29 @@ xfs_allocbt_recs_inorder( be32_to_cpu(r2->alloc.ar_startblock)); } } -#endif /* DEBUG */ -static const struct xfs_btree_ops xfs_allocbt_ops = { +static const struct xfs_btree_ops xfs_bnobt_ops = { + .rec_len = sizeof(xfs_alloc_rec_t), + .key_len = sizeof(xfs_alloc_key_t), + + .dup_cursor = xfs_allocbt_dup_cursor, + .set_root = xfs_allocbt_set_root, + .alloc_block = xfs_allocbt_alloc_block, + .free_block = xfs_allocbt_free_block, + .update_lastrec = xfs_allocbt_update_lastrec, + .get_minrecs = xfs_allocbt_get_minrecs, + .get_maxrecs = xfs_allocbt_get_maxrecs, + .init_key_from_rec = xfs_allocbt_init_key_from_rec, + .init_rec_from_cur = xfs_allocbt_init_rec_from_cur, + .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, + .key_diff = xfs_allocbt_key_diff, + .buf_ops = &xfs_allocbt_buf_ops, + .diff_two_keys = xfs_bnobt_diff_two_keys, + .keys_inorder = xfs_allocbt_keys_inorder, + .recs_inorder = xfs_allocbt_recs_inorder, +}; + +static const struct xfs_btree_ops xfs_cntbt_ops = { .rec_len = sizeof(xfs_alloc_rec_t), .key_len = sizeof(xfs_alloc_key_t), @@ -397,10 +436,9 @@ static const struct xfs_btree_ops xfs_allocbt_ops = { .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, .key_diff = xfs_allocbt_key_diff, .buf_ops = &xfs_allocbt_buf_ops, -#if defined(DEBUG) || defined(XFS_WARN) + .diff_two_keys = xfs_cntbt_diff_two_keys, .keys_inorder = xfs_allocbt_keys_inorder, .recs_inorder = xfs_allocbt_recs_inorder, -#endif }; /* @@ -425,12 +463,13 @@ xfs_allocbt_init_cursor( cur->bc_mp = mp; cur->bc_btnum = btnum; cur->bc_blocklog = mp->m_sb.sb_blocklog; - cur->bc_ops = &xfs_allocbt_ops; if (btnum == XFS_BTNUM_CNT) { + cur->bc_ops = &xfs_cntbt_ops; cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]); cur->bc_flags = XFS_BTREE_LASTREC_UPDATE; } else { + cur->bc_ops = &xfs_bnobt_ops; cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]); } From darrick.wong@oracle.com Thu Jun 16 20:45:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C79B784C2 for ; Thu, 16 Jun 2016 20:45:56 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8A21E304039 for ; Thu, 16 Jun 2016 18:45:56 -0700 (PDT) X-ASG-Debug-ID: 1466127953-04cb6c542758600001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id CiSlWO6UPD9XHSRw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:45:54 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1jqk4025824 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:52 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jqxX015167 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:52 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jnZr014264; Fri, 17 Jun 2016 01:45:50 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:49 -0700 Subject: [PATCH 143/145] xfs: support scrubbing refcount btree From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 143/145] xfs: support scrubbing refcount btree To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:46 -0700 Message-ID: <146612794647.16048.14999761589341788073.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127954 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9530 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Plumb in the pieces necessary to check the refcount btree. If rmap is available, check the reference count by performing an interval query against the rmapbt. v2: Handle the case where the rmap records are not all at least the length of the refcount extent. Signed-off-by: Darrick J. Wong --- libxfs/xfs_refcount.c | 224 +++++++++++++++++++++++++++++++++++++++++++ libxfs/xfs_refcount.h | 2 libxfs/xfs_refcount_btree.c | 16 ++- 3 files changed, 238 insertions(+), 4 deletions(-) diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c index a19cb45..760ad7e 100644 --- a/libxfs/xfs_refcount.c +++ b/libxfs/xfs_refcount.c @@ -36,6 +36,7 @@ #include "xfs_bit.h" #include "xfs_refcount.h" #include "xfs_rmap_btree.h" +#include "xfs_scrub.h" /* Allowable refcount adjustment amounts. */ enum xfs_refc_adjust_op { @@ -1577,3 +1578,226 @@ xfs_refcount_free_cow_extent( return __xfs_refcount_add(mp, dfops, &ri); } + +struct xfs_refcountbt_scrub_fragment { + struct xfs_rmap_irec rm; + struct list_head list; +}; + +struct xfs_refcountbt_scrub_rmap_check_info { + xfs_nlink_t nr; + struct xfs_refcount_irec rc; + struct list_head fragments; +}; + +static int +xfs_refcountbt_scrub_rmap_check( + struct xfs_btree_cur *cur, + struct xfs_rmap_irec *rec, + void *priv) +{ + struct xfs_refcountbt_scrub_rmap_check_info *rsrci = priv; + struct xfs_refcountbt_scrub_fragment *frag; + xfs_agblock_t rm_last; + xfs_agblock_t rc_last; + + rm_last = rec->rm_startblock + rec->rm_blockcount; + rc_last = rsrci->rc.rc_startblock + rsrci->rc.rc_blockcount; + if (rec->rm_startblock <= rsrci->rc.rc_startblock && rm_last >= rc_last) + rsrci->nr++; + else { + frag = kmem_zalloc(sizeof(struct xfs_refcountbt_scrub_fragment), + KM_SLEEP); + frag->rm = *rec; + list_add_tail(&frag->list, &rsrci->fragments); + } + + return 0; +} + +STATIC void +xfs_refcountbt_process_rmap_fragments( + struct xfs_mount *mp, + struct xfs_refcountbt_scrub_rmap_check_info *rsrci) +{ + struct list_head worklist; + struct xfs_refcountbt_scrub_fragment *cur; + struct xfs_refcountbt_scrub_fragment *n; + xfs_agblock_t bno; + xfs_agblock_t rbno; + xfs_agblock_t next_rbno; + xfs_nlink_t nr; + xfs_nlink_t target_nr; + + target_nr = rsrci->rc.rc_refcount - rsrci->nr; + if (target_nr == 0) + return; + + /* + * There are (rsrci->rc.rc_refcount - rsrci->nr refcount) + * references we haven't found yet. Pull that many off the + * fragment list and figure out where the smallest rmap ends + * (and therefore the next rmap should start). All the rmaps + * we pull off should start at or before the beginning of the + * refcount record's range. + */ + INIT_LIST_HEAD(&worklist); + rbno = NULLAGBLOCK; + nr = 1; + list_for_each_entry_safe(cur, n, &rsrci->fragments, list) { + if (cur->rm.rm_startblock > rsrci->rc.rc_startblock) + goto fail; + bno = cur->rm.rm_startblock + cur->rm.rm_blockcount; + if (rbno > bno) + rbno = bno; + list_del(&cur->list); + list_add_tail(&cur->list, &worklist); + if (nr == target_nr) + break; + nr++; + } + + if (nr != target_nr) + goto fail; + + while (!list_empty(&rsrci->fragments)) { + /* Discard any fragments ending at rbno. */ + nr = 0; + next_rbno = NULLAGBLOCK; + list_for_each_entry_safe(cur, n, &worklist, list) { + bno = cur->rm.rm_startblock + cur->rm.rm_blockcount; + if (bno != rbno) { + if (next_rbno > bno) + next_rbno = bno; + continue; + } + list_del(&cur->list); + kmem_free(cur); + nr++; + } + + /* Empty list? We're done. */ + if (list_empty(&rsrci->fragments)) + break; + + /* Try to add nr rmaps starting at rbno to the worklist. */ + list_for_each_entry_safe(cur, n, &rsrci->fragments, list) { + bno = cur->rm.rm_startblock + cur->rm.rm_blockcount; + if (cur->rm.rm_startblock != rbno) + goto fail; + list_del(&cur->list); + list_add_tail(&cur->list, &worklist); + if (next_rbno > bno) + next_rbno = bno; + nr--; + if (nr == 0) + break; + } + + rbno = next_rbno; + } + + /* + * Make sure the last extent we processed ends at or beyond + * the end of the refcount extent. + */ + if (rbno < rsrci->rc.rc_startblock + rsrci->rc.rc_blockcount) + goto fail; + + rsrci->nr = rsrci->rc.rc_refcount; +fail: + /* Delete fragments and work list. */ + while (!list_empty(&worklist)) { + cur = list_first_entry(&worklist, + struct xfs_refcountbt_scrub_fragment, list); + list_del(&cur->list); + kmem_free(cur); + } + while (!list_empty(&rsrci->fragments)) { + cur = list_first_entry(&rsrci->fragments, + struct xfs_refcountbt_scrub_fragment, list); + list_del(&cur->list); + kmem_free(cur); + } +} + +STATIC int +xfs_refcountbt_scrub_helper( + struct xfs_btree_scrub *bs, + union xfs_btree_rec *rec) +{ + struct xfs_mount *mp = bs->cur->bc_mp; + struct xfs_rmap_irec low; + struct xfs_rmap_irec high; + struct xfs_refcount_irec irec; + struct xfs_refcountbt_scrub_rmap_check_info rsrci; + struct xfs_refcountbt_scrub_fragment *cur; + int error; + + irec.rc_startblock = be32_to_cpu(rec->refc.rc_startblock); + irec.rc_blockcount = be32_to_cpu(rec->refc.rc_blockcount); + irec.rc_refcount = be32_to_cpu(rec->refc.rc_refcount); + + XFS_BTREC_SCRUB_CHECK(bs, irec.rc_startblock < mp->m_sb.sb_agblocks); + XFS_BTREC_SCRUB_CHECK(bs, irec.rc_startblock < irec.rc_startblock + + irec.rc_blockcount); + XFS_BTREC_SCRUB_CHECK(bs, (unsigned long long)irec.rc_startblock + + irec.rc_blockcount <= mp->m_sb.sb_agblocks); + XFS_BTREC_SCRUB_CHECK(bs, irec.rc_refcount >= 1); + + /* confirm the refcount */ + if (!bs->rmap_cur) + return 0; + + memset(&low, 0, sizeof(low)); + low.rm_startblock = irec.rc_startblock; + memset(&high, 0xFF, sizeof(high)); + high.rm_startblock = irec.rc_startblock + irec.rc_blockcount - 1; + + rsrci.nr = 0; + rsrci.rc = irec; + INIT_LIST_HEAD(&rsrci.fragments); + error = xfs_rmapbt_query_range(bs->rmap_cur, &low, &high, + &xfs_refcountbt_scrub_rmap_check, &rsrci); + if (error && error != XFS_BTREE_QUERY_RANGE_ABORT) + goto err; + error = 0; + xfs_refcountbt_process_rmap_fragments(mp, &rsrci); + XFS_BTREC_SCRUB_CHECK(bs, irec.rc_refcount == rsrci.nr); + +err: + while (!list_empty(&rsrci.fragments)) { + cur = list_first_entry(&rsrci.fragments, + struct xfs_refcountbt_scrub_fragment, list); + list_del(&cur->list); + kmem_free(cur); + } + return error; +} + +/* Scrub the refcount btree for some AG. */ +int +xfs_refcountbt_scrub( + struct xfs_mount *mp, + xfs_agnumber_t agno) +{ + struct xfs_btree_scrub bs; + int error; + + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &bs.agf_bp); + if (error) + return error; + + bs.cur = xfs_refcountbt_init_cursor(mp, NULL, bs.agf_bp, agno, NULL); + bs.scrub_rec = xfs_refcountbt_scrub_helper; + xfs_rmap_ag_owner(&bs.oinfo, XFS_RMAP_OWN_REFC); + error = xfs_btree_scrub(&bs); + xfs_btree_del_cursor(bs.cur, + error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); + xfs_trans_brelse(NULL, bs.agf_bp); + + if (!error && bs.error) + error = bs.error; + + return error; +} diff --git a/libxfs/xfs_refcount.h b/libxfs/xfs_refcount.h index 44b0346..d2317f1 100644 --- a/libxfs/xfs_refcount.h +++ b/libxfs/xfs_refcount.h @@ -68,4 +68,6 @@ extern int xfs_refcount_free_cow_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops, xfs_fsblock_t fsb, xfs_extlen_t len); +extern int xfs_refcountbt_scrub(struct xfs_mount *mp, xfs_agnumber_t agno); + #endif /* __XFS_REFCOUNT_H__ */ diff --git a/libxfs/xfs_refcount_btree.c b/libxfs/xfs_refcount_btree.c index 1b3ba07..3cd30d0 100644 --- a/libxfs/xfs_refcount_btree.c +++ b/libxfs/xfs_refcount_btree.c @@ -196,6 +196,16 @@ xfs_refcountbt_key_diff( return (__int64_t)be32_to_cpu(kp->rc_startblock) - rec->rc_startblock; } +STATIC __int64_t +xfs_refcountbt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k2->refc.rc_startblock) - + be32_to_cpu(k1->refc.rc_startblock); +} + STATIC bool xfs_refcountbt_verify( struct xfs_buf *bp) @@ -258,7 +268,6 @@ const struct xfs_buf_ops xfs_refcountbt_buf_ops = { .verify_write = xfs_refcountbt_write_verify, }; -#if defined(DEBUG) || defined(XFS_WARN) STATIC int xfs_refcountbt_keys_inorder( struct xfs_btree_cur *cur, @@ -287,13 +296,13 @@ xfs_refcountbt_recs_inorder( b.rc_startblock = be32_to_cpu(r2->refc.rc_startblock); b.rc_blockcount = be32_to_cpu(r2->refc.rc_blockcount); b.rc_refcount = be32_to_cpu(r2->refc.rc_refcount); + a = a; b = b; trace_xfs_refcount_rec_order_error(cur->bc_mp, cur->bc_private.a.agno, &a, &b); } return ret; } -#endif /* DEBUG */ static const struct xfs_btree_ops xfs_refcountbt_ops = { .rec_len = sizeof(struct xfs_refcount_rec), @@ -310,10 +319,9 @@ static const struct xfs_btree_ops xfs_refcountbt_ops = { .init_ptr_from_cur = xfs_refcountbt_init_ptr_from_cur, .key_diff = xfs_refcountbt_key_diff, .buf_ops = &xfs_refcountbt_buf_ops, -#if defined(DEBUG) || defined(XFS_WARN) + .diff_two_keys = xfs_refcountbt_diff_two_keys, .keys_inorder = xfs_refcountbt_keys_inorder, .recs_inorder = xfs_refcountbt_recs_inorder, -#endif }; /* From darrick.wong@oracle.com Thu Jun 16 20:46:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B8ED08442 for ; Thu, 16 Jun 2016 20:46:03 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 34812AC002 for ; Thu, 16 Jun 2016 18:46:03 -0700 (PDT) X-ASG-Debug-ID: 1466127961-04bdf01e15967d0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id gas3F75qtwui3ZmZ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:01 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1jvEI013598 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:57 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1juT1006901 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:45:56 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1jtEA032019; Fri, 17 Jun 2016 01:45:56 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:45:55 -0700 Subject: [PATCH 144/145] xfs: add btree scrub tracepoints From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 144/145] xfs: add btree scrub tracepoints To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:45:54 -0700 Message-ID: <146612795427.16048.13096589914276724799.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127961 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1977 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- include/xfs_trace.h | 3 +++ libxfs/xfs_scrub.c | 14 ++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/include/xfs_trace.h b/include/xfs_trace.h index ce973ba..206e550 100644 --- a/include/xfs_trace.h +++ b/include/xfs_trace.h @@ -276,6 +276,9 @@ #define trace_xfs_rmap_map_done(...) ((void) 0) #define trace_xfs_rmap_map_error(...) ((void) 0) +#define trace_xfs_btree_scrub_key(...) ((void) 0) +#define trace_xfs_btree_scrub_rec(...) ((void) 0) + /* set c = c to avoid unused var warnings */ #define trace_xfs_perag_get(a,b,c,d) ((c) = (c)) #define trace_xfs_perag_get_tag(a,b,c,d) ((c) = (c)) diff --git a/libxfs/xfs_scrub.c b/libxfs/xfs_scrub.c index 750c482..bd9669d 100644 --- a/libxfs/xfs_scrub.c +++ b/libxfs/xfs_scrub.c @@ -34,6 +34,7 @@ #include "xfs_rmap_btree.h" #include "xfs_log_format.h" #include "xfs_trans.h" +#include "xfs_trace.h" #include "xfs_scrub.h" static const char * const btree_types[] = { @@ -88,6 +89,12 @@ xfs_btree_scrub_rec( struct xfs_btree_block *block; struct xfs_btree_block *keyblock; + trace_xfs_btree_scrub_rec(cur->bc_mp, cur->bc_private.a.agno, + XFS_FSB_TO_AGBNO(cur->bc_mp, + XFS_DADDR_TO_FSB(cur->bc_mp, + cur->bc_bufs[0]->b_bn)), + cur->bc_btnum, 0, cur->bc_nlevels, cur->bc_ptrs[0]); + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[0]); rec = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); @@ -135,6 +142,13 @@ xfs_btree_scrub_key( struct xfs_btree_block *block; struct xfs_btree_block *keyblock; + trace_xfs_btree_scrub_key(cur->bc_mp, cur->bc_private.a.agno, + XFS_FSB_TO_AGBNO(cur->bc_mp, + XFS_DADDR_TO_FSB(cur->bc_mp, + cur->bc_bufs[level]->b_bn)), + cur->bc_btnum, level, cur->bc_nlevels, + cur->bc_ptrs[level]); + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); key = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); From darrick.wong@oracle.com Thu Jun 16 20:46:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id ED74C84E1 for ; Thu, 16 Jun 2016 20:46:12 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 66FD4AC002 for ; Thu, 16 Jun 2016 18:46:12 -0700 (PDT) X-ASG-Debug-ID: 1466127970-04cb6c542558610001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id HD1ScyCub7cx30n2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:10 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1k5F0013846 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:46:06 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1k4mn013492 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:05 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1k3fX026565; Fri, 17 Jun 2016 01:46:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:03 -0700 Subject: [PATCH v6 00/20] xfstests: minor fixes for the reflink/dedupe tests From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH v6 00/20] xfstests: minor fixes for the reflink/dedupe tests To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:02 -0700 Message-ID: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127970 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1440 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Hi all, This is the sixth revision of a patchset that adds to xfstests support for testing reverse-mappings of physical blocks to file and metadata (rmap); support for testing multiple file logical blocks to the same physical block (reflink); and implements the beginnings of online metadata scrubbing. The first eight patches are in Eryu Guan's pull request on 2016-06-15. Those patches haven't changed, but they're not yet in the upstream repo. If you're going to start using this mess, you probably ought to just pull from my github trees for kernel[1], xfsprogs[2], and xfstests[3]. There are also updates for xfs-docs[4]. The kernel patches should apply to dchinner's for-next; xfsprogs patches to for-next; and xfstest to master. The kernel git tree already has for-next included. The patches have been xfstested with x64, i386, and armv7l--arm64, ppc64, and ppc64le no longer boot in qemu. All three architectures pass all 'clone' group tests except xfs/128 (which is the swapext test), and AFAICT don't cause any new failures for the 'auto' group. This is an extraordinary way to eat your data. Enjoy! Comments and questions are, as always, welcome. --D [1] https://github.com/djwong/linux/tree/djwong-devel [2] https://github.com/djwong/xfsprogs/tree/djwong-devel [3] https://github.com/djwong/xfstests/tree/djwong-devel [4] https://github.com/djwong/xfs-documentation/tree/djwong-devel From darrick.wong@oracle.com Thu Jun 16 20:46:12 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E1E2184E0 for ; Thu, 16 Jun 2016 20:46:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id A44DE8F8050 for ; Thu, 16 Jun 2016 18:46:12 -0700 (PDT) X-ASG-Debug-ID: 1466127965-04cbb01fec6aa40001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id CVI3eW9dV6NvuKhX (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:05 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1k32H026109 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:03 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1k2VP020050 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:03 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1k2Ld032035; Fri, 17 Jun 2016 01:46:02 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:01 -0700 Subject: [PATCH 145/145] xfs_scrub: create online filesystem scrub program From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 145/145] xfs_scrub: create online filesystem scrub program To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:00 -0700 Message-ID: <146612796035.16048.11351652928279022077.stgit@birch.djwong.org> In-Reply-To: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127965 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 43469 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.50 X-Barracuda-Spam-Status: No, SCORE=0.50 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_MV0713, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.50 BSF_SC0_MV0713 Custom rule MV0713 Create a toy filesystem scrubbing tool that walks the directory tree, queries every file's extents, extended attributes, and stat data. For generic (non-XFS) filesystems this depends on the kernel to do nearly all the validation. Optionally, we can (try to) read all the file data. Future XFS extensions to this program will perform much stronger metadata checking and cross-referencing. In the future we might be able to do such things like lock a directory, check the entries and back pointers, and unlock it; or lock an inode to check the extent map and cross-reference the entries therein with a reverse-mapping index. However, this tool /should/ work for most non-XFS filesystems. Signed-off-by: Darrick J. Wong --- Makefile | 2 man/man8/xfs_scrub.8 | 82 +++++ scrub/Makefile | 26 ++ scrub/generic.c | 372 +++++++++++++++++++++++ scrub/scrub.c | 822 ++++++++++++++++++++++++++++++++++++++++++++++++++ scrub/scrub.h | 100 ++++++ scrub/xfs.c | 241 +++++++++++++++ 7 files changed, 1644 insertions(+), 1 deletion(-) create mode 100644 man/man8/xfs_scrub.8 create mode 100644 scrub/Makefile create mode 100644 scrub/generic.c create mode 100644 scrub/scrub.c create mode 100644 scrub/scrub.h create mode 100644 scrub/xfs.c diff --git a/Makefile b/Makefile index fca0a42..72334d9 100644 --- a/Makefile +++ b/Makefile @@ -46,7 +46,7 @@ HDR_SUBDIRS = include libxfs DLIB_SUBDIRS = libxlog libxcmd libhandle LIB_SUBDIRS = libxfs $(DLIB_SUBDIRS) TOOL_SUBDIRS = copy db estimate fsck fsr growfs io logprint mkfs quota \ - mdrestore repair rtcp m4 man doc debian + mdrestore repair rtcp m4 man doc debian scrub ifneq ("$(XGETTEXT)","") TOOL_SUBDIRS += po diff --git a/man/man8/xfs_scrub.8 b/man/man8/xfs_scrub.8 new file mode 100644 index 0000000..95d7169 --- /dev/null +++ b/man/man8/xfs_scrub.8 @@ -0,0 +1,82 @@ +.TH xfs_scrub 8 +.SH NAME +xfs_scrub \- scrub the contents of an XFS filesystem +.SH SYNOPSIS +.B xfs_scrub +[ +.B \-dvx +] [ +.B \-t +.I fstype +] +.I mountpoint +.br +.B xfs_scrub \-V +.SH DESCRIPTION +.B xfs_scrub +attempts to read and check all the metadata in a Linux filesystem. +.PP +If +.B xfs_scrub +does not detect an XFS filesystem, it will use a generic backend to +scrub the filesystem. This involves walking the directory tree, +querying the data and extended attribute extent maps, performing +limited checks of directory and inode data, reading all of an +inode's extended attributes, and optionally reading all data in +a file. +.PP +If an XFS filesystem is detected, then +.B xfs_scrub +will use private XFS ioctls and sysfs interfaces to perform more +rigorous scrubbing of the internal metadata. Currently this is +limited to asking the kernel to check the per-AG btrees, which +also performs limited cross-referencing. +.SH OPTIONS +.TP +.B \-d +Enable debugging mode, which augments error reports with the exact file +and line where the scrub failure occurred. This also enables verbose +mode. +.TP +.B \-v +Enable verbose mode, which prints periodic status updates. +.TP +.BI \-t " fstype" +Force the use of a particular type of filesystem scrubber. Currently +supported backends are +.I xfs +and +.I generic +scrubbers. +.TP +.B \-V +Prints the version number and exits. +.TP +.B \-x +Scrub file data. This reads every block of every file on disk. +.SH EXIT CODE +The exit code returned by +.B xfs_scrub +is the sum of the following conditions: +.br +\ 0\ \-\ No errors +.br +\ 4\ \-\ File system errors left uncorrected +.br +\ 8\ \-\ Operational error +.br +\ 16\ \-\ Usage or syntax error +.br +.SH CAVEATS +.B xfs_scrub +is a very immature utility! The generic scrub backend walks the directory +tree, reads file extents and data, and queries every extended attribute it +can find. The generic scrub does not grab exclusive locks on the objects +it is examining, nor does it have any way to cross-reference what it sees +against the internal filesystem metadata. +.PP +The XFS backend will some day learn how to do all those things, but for +now its only advantage over the generic backend is that it knows how to +ask the kernel to perform a basic scrub of the XFS AG metadata. +.SH SEE ALSO +.BR xfs_repair (8). diff --git a/scrub/Makefile b/scrub/Makefile new file mode 100644 index 0000000..52b2838 --- /dev/null +++ b/scrub/Makefile @@ -0,0 +1,26 @@ +# +# Copyright (c) 2016 Oracle. All Rights Reserved. +# + +TOPDIR = .. +include $(TOPDIR)/include/builddefs + +LTCOMMAND = xfs_scrub + +HFILES = scrub.h +CFILES = scrub.c generic.c xfs.c + +LLDLIBS += $(LIBBLKID) $(LIBXFS) $(LIBUUID) $(LIBRT) $(LIBPTHREAD) +LTDEPENDENCIES += $(LIBXFS) +LLDFLAGS = -static-libtool-libs + +default: depend $(LTCOMMAND) + +include $(BUILDRULES) + +install: default + $(INSTALL) -m 755 -d $(PKG_ROOT_SBIN_DIR) + $(LTINSTALL) -m 755 $(LTCOMMAND) $(PKG_ROOT_SBIN_DIR) +install-dev: + +-include .dep diff --git a/scrub/generic.c b/scrub/generic.c new file mode 100644 index 0000000..6c397fd --- /dev/null +++ b/scrub/generic.c @@ -0,0 +1,372 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include +#include +#include +#include +#include +#include +#include "libxfs.h" +#include "scrub.h" + +/* Routines to scrub a generic filesystem with nothing but the VFS. */ + +bool +generic_scan_fs( + struct scrub_ctx *ctx) +{ + /* Nothing to do here. */ + return true; +} + +bool +generic_scan_inodes( + struct scrub_ctx *ctx) +{ + /* Nothing to do here. */ + return true; +} + +bool +generic_cleanup( + struct scrub_ctx *ctx) +{ + /* Nothing to do here. */ + return true; +} + +bool +generic_scan_metadata( + struct scrub_ctx *ctx) +{ + /* Nothing to do here. */ + return true; +} + +/* Check all entries in a directory. */ +bool +generic_check_dir( + struct scrub_ctx *ctx, + int dir_fd) +{ + /* Nothing to do here. */ + return true; +} + +/* Check an inode's extents... the hard way. */ +static bool +generic_scan_extents_fibmap( + struct scrub_ctx *ctx, + int fd, + struct stat64 *sb) +{ + unsigned int blk; + unsigned int b; + off_t numblocks; + int error; + + if (!(ctx->quirks & SCRUB_QUIRK_FIBMAP_WORKS)) + return true; + + numblocks = (sb->st_size + sb->st_blksize - 1) / sb->st_blksize; + if (numblocks > UINT_MAX) + numblocks = UINT_MAX; + for (blk = 0; blk < numblocks; blk++) { + b = blk; + error = ioctl(fd, FIBMAP, &b); + if (error) { + if (errno == EOPNOTSUPP) { + path_warn(ctx, +_("data block FIEMAP/FIBMAP not supported, will not check extent map.")); + ctx->quirks &= ~SCRUB_QUIRK_FIBMAP_WORKS; + return true; + } + path_errno(ctx); + } + } + + return true; +} + +/* Check an inode's extents. */ +#define NR_EXTENTS 512 +bool +generic_scan_extents( + struct scrub_ctx *ctx, + int fd, + struct stat64 *sb, + bool attr_fork) +{ + struct fiemap *fiemap; + size_t sz; + struct fiemap_extent *extent; + __u64 next_logical; + bool last = false; + int error; + unsigned int i; + + /* FIEMAP only works for files. */ + if (!S_ISREG(sb->st_mode)) + return true; + + if (!attr_fork && !(ctx->quirks & SCRUB_QUIRK_FIEMAP_WORKS)) + return generic_scan_extents_fibmap(ctx, fd, sb); + else if (attr_fork && !(ctx->quirks & SCRUB_QUIRK_FIEMAP_ATTR_WORKS)) + return true; + + sz = sizeof(struct fiemap) + sizeof(struct fiemap_extent) * NR_EXTENTS; + fiemap = calloc(sz, 1); + if (!fiemap) { + path_errno(ctx); + return false; + } + + fiemap->fm_length = ~0ULL; + fiemap->fm_flags = FIEMAP_FLAG_SYNC; + if (attr_fork) + fiemap->fm_flags |= FIEMAP_FLAG_XATTR; + fiemap->fm_extent_count = NR_EXTENTS; + fiemap->fm_reserved = 0; + next_logical = 0; + + while (!last) { + fiemap->fm_start = next_logical; + error = ioctl(fd, FS_IOC_FIEMAP, (unsigned long)fiemap); + if (error < 0 && errno == EOPNOTSUPP) { + if (attr_fork) { + path_warn(ctx, +_("extended attribute FIEMAP not supported, will not check extent map.")); + ctx->quirks &= ~SCRUB_QUIRK_FIEMAP_WORKS; + } else + ctx->quirks &= ~SCRUB_QUIRK_FIEMAP_ATTR_WORKS; + break; + } + if (error < 0) { + path_errno(ctx); + break; + } + + /* No more extents to map, exit */ + if (!fiemap->fm_mapped_extents) + break; + + for (i = 0; i < fiemap->fm_mapped_extents; i++) { + extent = &fiemap->fm_extents[i]; + + if (extent->fe_length == 0) + path_error(ctx, +_("zero-length extent at offset %llu\n"), + extent->fe_logical); + + next_logical = extent->fe_logical + extent->fe_length; + if (extent->fe_flags & FIEMAP_EXTENT_LAST) + last = true; + } + } + + free(fiemap); + return true; +} + +/* Check the fields of an inode. */ +bool +generic_check_inode( + struct scrub_ctx *ctx, + int fd, + struct stat64 *sb) +{ + if (sb->st_nlink == 0) + path_error(ctx, +_("nlinks should not be 0.")); + + return true; +} + +/* Try to read all the extended attributes. */ +bool +generic_scan_xattrs( + struct scrub_ctx *ctx, + int fd) +{ + char *buf = NULL; + char *p; + ssize_t buf_sz; + ssize_t sz; + char *valbuf = NULL; + ssize_t valbuf_sz = 0; + ssize_t val_sz; + ssize_t sz2; + bool moveon = true; + char *x; + + buf_sz = flistxattr(fd, NULL, 0); + if (buf_sz == -EOPNOTSUPP) + return true; + else if (buf_sz == 0) + return true; + else if (buf_sz < 0) { + path_errno(ctx); + return true; + } + + buf = malloc(buf_sz); + if (!buf) { + path_errno(ctx); + return false; + } + + sz = flistxattr(fd, buf, buf_sz); + if (sz < 0) { + path_errno(ctx); + goto out; + } else if (sz != buf_sz) { + path_error(ctx, +_("read %zu bytes of xattr names, expected %zu bytes."), + sz, buf_sz); + } + + /* Read all the attrs and values. */ + for (p = buf; p < buf + sz; p += strlen(p) + 1) { + val_sz = fgetxattr(fd, p, NULL, 0); + if (val_sz < 0) { + if (errno != ENODATA) + path_errno(ctx); + continue; + } + if (val_sz > valbuf_sz) { + x = realloc(valbuf, val_sz); + if (!x) { + path_errno(ctx); + moveon = false; + break; + } + valbuf = x; + valbuf_sz = val_sz; + } + sz2 = fgetxattr(fd, p, valbuf, val_sz); + if (sz2 < 0) { + path_errno(ctx); + continue; + } else if (sz2 != val_sz) + path_error(ctx, +_("read %zu bytes from xattr %s value, expected %zu bytes."), + sz2, p, val_sz); + } +out: + free(valbuf); + free(buf); + return moveon; +} + +/* Try to read all the extended attributes of things that have no fd. */ +bool +generic_scan_special_xattrs( + struct scrub_ctx *ctx) +{ + char *buf = NULL; + char *p; + ssize_t buf_sz; + ssize_t sz; + char *valbuf = NULL; + ssize_t valbuf_sz = 0; + ssize_t val_sz; + ssize_t sz2; + bool moveon = true; + char *x; + char path[PATH_MAX]; + int error; + + /* Construct the full path to this file. */ + error = construct_path(ctx, path, PATH_MAX); + if (error) { + path_errno(ctx); + return false; + } + + buf_sz = llistxattr(path, NULL, 0); + if (buf_sz == -EOPNOTSUPP) + return true; + else if (buf_sz == 0) + return true; + else if (buf_sz < 0) { + path_errno(ctx); + return true; + } + + buf = malloc(buf_sz); + if (!buf) { + path_errno(ctx); + return false; + } + + sz = llistxattr(path, buf, buf_sz); + if (sz < 0) { + path_errno(ctx); + goto out; + } else if (sz != buf_sz) { + path_error(ctx, +_("read %zu bytes of xattr names, expected %zu bytes."), + sz, buf_sz); + } + + /* Read all the attrs and values. */ + for (p = buf; p < buf + sz; p += strlen(p) + 1) { + val_sz = lgetxattr(path, p, NULL, 0); + if (val_sz < 0) { + path_errno(ctx); + continue; + } + if (val_sz > valbuf_sz) { + x = realloc(valbuf, val_sz); + if (!x) { + path_errno(ctx); + moveon = false; + break; + } + valbuf = x; + valbuf_sz = val_sz; + } + sz2 = lgetxattr(path, p, valbuf, val_sz); + if (sz2 < 0) { + path_errno(ctx); + continue; + } else if (sz2 != val_sz) + path_error(ctx, +_("read %zu bytes from xattr %s value, expected %zu bytes."), + sz2, p, val_sz); + } +out: + free(valbuf); + free(buf); + return moveon; +} + +struct scrub_ops generic_scrub_ops = { + .name = "generic", + .cleanup = generic_cleanup, + .scan_fs = generic_scan_fs, + .scan_inodes = generic_scan_inodes, + .check_dir = generic_check_dir, + .check_inode = generic_check_inode, + .scan_extents = generic_scan_extents, + .scan_xattrs = generic_scan_xattrs, + .scan_special_xattrs = generic_scan_special_xattrs, + .scan_metadata = generic_scan_metadata, +}; diff --git a/scrub/scrub.c b/scrub/scrub.c new file mode 100644 index 0000000..2d68b07 --- /dev/null +++ b/scrub/scrub.c @@ -0,0 +1,822 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "scrub.h" + +#define _PATH_PROC_MOUNTS "/proc/mounts" + +bool verbose; +bool debug; +bool scrub_data; + +static void __attribute__((noreturn)) +usage(void) +{ + fprintf(stderr, _("Usage: %s [OPTIONS] mountpoint\n"), progname); + fprintf(stderr, _("-d:\tRun program in debug mode.\n")); + fprintf(stderr, _("-t:\tUse this filesystem backend for scrubbing.\n")); + fprintf(stderr, _("-v:\tVerbose output.\n")); + fprintf(stderr, _("-x:\tScrub file data too.\n")); + + exit(16); +} + +/* + * Check if the argument is either the device name or mountpoint of a mounted + * filesystem. + */ +static bool +find_mountpoint_check(struct stat64 *sb, struct mntent *t) +{ + struct stat64 ms; + + if (S_ISDIR(sb->st_mode)) { /* mount point */ + if (stat64(t->mnt_dir, &ms) < 0) + return false; + if (sb->st_ino != ms.st_ino) + return false; + if (sb->st_dev != ms.st_dev) + return false; + /* + * Make sure the device given by mtab is accessible + * before using it. + */ + if (stat64(t->mnt_fsname, &ms) < 0) + return false; + } else { /* device */ + if (stat64(t->mnt_fsname, &ms) < 0) + return false; + if (sb->st_rdev != ms.st_rdev) + return false; + /* + * Make sure the mountpoint given by mtab is accessible + * before using it. + */ + if (stat64(t->mnt_dir, &ms) < 0) + return false; + } + + return true; +} + +/* Check that our alleged mountpoint is in mtab */ +static bool +find_mountpoint(char *mtab, struct stat64 *sb, struct mntent *mnt) +{ + struct mntent_cursor cursor; + struct mntent *t = NULL; + bool found = false; + + if (platform_mntent_open(&cursor, mtab) != 0) { + fprintf(stderr, "Error: can't get mntent entries.\n"); + exit(1); + } + + while ((t = platform_mntent_next(&cursor)) != NULL) { + if (find_mountpoint_check(sb, t)) { + *mnt = *t; + found = true; + break; + } + } + platform_mntent_close(&cursor); + return found; +} + +/* Print a string and whatever error is stored in errno. */ +void +__str_errno( + struct scrub_ctx *ctx, + const char *str, + const char *file, + int line) +{ + char buf[256]; + + fprintf(stderr, "%s: %s.", str, strerror_r(errno, buf, 256)); + if (debug) + fprintf(stderr, " (%s line %d)", file, line); + fprintf(stderr, "\n"); + ctx->errors_found++; +} + +/* Print a string and some error text. */ +void +__str_error( + struct scrub_ctx *ctx, + const char *str, + const char *file, + int line, + const char *format, + ...) +{ + va_list args; + + fprintf(stderr, "%s: ", str); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + if (debug) + fprintf(stderr, " (%s line %d)", file, line); + fprintf(stderr, "\n"); + ctx->errors_found++; +} + +/* Print a string and some warning text. */ +void +__str_warn( + struct scrub_ctx *ctx, + const char *str, + const char *file, + int line, + const char *format, + ...) +{ + va_list args; + + fprintf(stderr, "%s: ", str); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + if (debug) + fprintf(stderr, " (%s line %d)", file, line); + fprintf(stderr, "\n"); + ctx->warnings_found++; +} + +/* Print the current path and whatever error is stored in errno. */ +void +__path_errno( + struct scrub_ctx *ctx, + const char *file, + int line) +{ + char buf[256]; + struct list_head *l; + struct path_piece *pp; + int err; + + err = errno; + fprintf(stderr, "%s", ctx->mntpoint); + list_for_each(l, &ctx->path_stack) { + pp = container_of(l, struct path_piece, list); + fprintf(stderr, "/%s", pp->name); + } + fprintf(stderr, ": %s.", strerror_r(err, buf, 256)); + if (debug) + fprintf(stderr, " (%s line %d)", file, line); + fprintf(stderr, "\n"); + ctx->errors_found++; +} + +/* Print the current path and some error text. */ +void +__path_error( + struct scrub_ctx *ctx, + const char *file, + int line, + const char *format, + ...) +{ + va_list args; + struct list_head *l; + struct path_piece *pp; + + fprintf(stderr, "%s", ctx->mntpoint); + list_for_each(l, &ctx->path_stack) { + pp = container_of(l, struct path_piece, list); + fprintf(stderr, "/%s", pp->name); + } + fprintf(stderr, ": "); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + if (debug) + fprintf(stderr, " (%s line %d)", file, line); + fprintf(stderr, "\n"); + ctx->errors_found++; +} + +/* Print the current path and some warning text. */ +void +__path_warn( + struct scrub_ctx *ctx, + const char *file, + int line, + const char *format, + ...) +{ + va_list args; + struct list_head *l; + struct path_piece *pp; + + fprintf(stderr, "%s", ctx->mntpoint); + list_for_each(l, &ctx->path_stack) { + pp = container_of(l, struct path_piece, list); + fprintf(stderr, "/%s", pp->name); + } + fprintf(stderr, ": "); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + if (debug) + fprintf(stderr, " (%s line %d)", file, line); + fprintf(stderr, "\n"); + ctx->warnings_found++; +} + +/* Construct the current path. */ +int +construct_path( + struct scrub_ctx *ctx, + char *buf, + size_t buflen) +{ + size_t nr = 0; + struct list_head *l; + struct path_piece *pp; + int sz; + + /* Mountpoint */ + sz = snprintf(buf + nr, buflen - nr, "%s", ctx->mntpoint); + if (sz < 0) + return -1; + else if (sz > buflen - nr) { + errno = ENOMEM; + return -1; + } + nr += sz; + + /* Intermediate path components. */ + list_for_each(l, &ctx->path_stack) { + pp = container_of(l, struct path_piece, list); + + sz = snprintf(buf + nr, buflen - nr, "/%s", pp->name); + if (sz < 0) + return -1; + else if (sz > buflen - nr) { + errno = ENOMEM; + return -1; + } + nr += sz; + } + + return 0; +} + +#define CHECK_TYPE(type) \ + case DT_##type: \ + if (!S_IS##type(sb->st_mode)) { \ + path_error(ctx, \ +_("dtype of block does not match mode 0x%x\n"), \ + sb->st_mode & S_IFMT); \ + } \ + break; + +/* Ensure that the directory entry matches the stat info. */ +static bool +verify_dirent( + struct scrub_ctx *ctx, + struct dirent *dirent, + struct stat64 *sb) +{ + if (dirent->d_ino != sb->st_ino) + path_error(ctx, +_("inode numbers (%llu != %llu) do not match!"), + (unsigned long long)dirent->d_ino, + (unsigned long long)sb->st_ino); + + switch (dirent->d_type) { + case DT_UNKNOWN: + break; + CHECK_TYPE(BLK) + CHECK_TYPE(CHR) + CHECK_TYPE(DIR) + CHECK_TYPE(FIFO) + CHECK_TYPE(LNK) + CHECK_TYPE(REG) + CHECK_TYPE(SOCK) + } + + return true; +} +#undef CHECK_TYPE + +/* Read all the data in a file. */ +#define READ_BUF_SIZE 262144 +static bool +read_file( + struct scrub_ctx *ctx, + int fd, + struct stat64 *sb) +{ + off_t data_end = 0; + off_t data_start; + off_t start; + ssize_t sz; + size_t count; + static char *readbuf; + bool reports_holes = true; + bool direct_io = false; + int flags; + int error; + static long page_size; + + /* Find the page size. */ + if (!page_size) { + page_size = sysconf(_SC_PAGESIZE); + if (page_size < 0) { + path_errno(ctx); + return false; + } + } + + /* Try to allocate a read buffer if we don't have one. */ + if (!readbuf) { + error = posix_memalign((void **)&readbuf, page_size, + READ_BUF_SIZE); + if (error || !readbuf) { + path_errno(ctx); + return false; + } + } + + /* Can we set O_DIRECT? */ + flags = fcntl(fd, F_GETFL); + error = fcntl(fd, F_SETFL, flags | O_DIRECT); + if (!error) + direct_io = true; + + /* See if SEEK_DATA/SEEK_HOLE work... */ + data_start = lseek(fd, data_end, SEEK_DATA); + if (data_start < 0) { + /* ENXIO for SEEK_DATA means no file data anywhere. */ + if (errno == ENXIO) + return true; + reports_holes = false; + } + + if (reports_holes) { + data_end = lseek(fd, data_start, SEEK_HOLE); + if (data_end < 0) + reports_holes = false; + } + + /* ...or just read everything if they don't. */ + if (!reports_holes) { + data_start = 0; + data_end = sb->st_size; + } + + if (!direct_io) { + posix_fadvise(fd, 0, sb->st_size, POSIX_FADV_SEQUENTIAL); + posix_fadvise(fd, 0, sb->st_size, POSIX_FADV_WILLNEED); + } + /* Read the non-hole areas. */ + while (data_start < data_end) { + start = data_start; + + if (direct_io && (start & (page_size - 1))) + start &= ~(page_size - 1); + count = min(READ_BUF_SIZE, data_end - start); + if (direct_io && (count & (page_size - 1))) + count = (count + page_size) & ~(page_size - 1); + sz = pread(fd, readbuf, count, start); + if (sz < 0) + path_errno(ctx); + else if (sz == 0) { + path_error(ctx, +_("Read zero bytes, expected %zu."), + count); + break; + } else if (sz != count && start + sz != data_end) { + path_warn(ctx, +_("Short read of %zu bytes, expected %zu."), + sz, count); + } + data_start = start + sz; + + if (data_start >= data_end && reports_holes) { + data_start = lseek(fd, data_end, SEEK_DATA); + if (data_start < 0) { + if (errno != ENXIO) + path_errno(ctx); + break; + } + data_end = lseek(fd, data_start, SEEK_HOLE); + if (data_end < 0) { + if (errno != ENXIO) + path_errno(ctx); + break; + } + } + } + + /* Turn off O_DIRECT. */ + if (direct_io) { + flags = fcntl(fd, F_GETFL); + error = fcntl(fd, F_SETFL, flags & ~O_DIRECT); + if (error) + path_errno(ctx); + } + + return true; +} + +/* Scrub a directory. */ +static bool +check_dir( + struct scrub_ctx *ctx, + int dir_fd) +{ + DIR *dir; + struct dirent *dirent; + struct path_piece pp; + int fd = -1; + struct stat64 sb; + struct stat64 fd_sb; + bool moveon; + static char linkbuf[PATH_MAX]; + ssize_t len; + int error; + + /* FS-specific directory checks. */ + moveon = ctx->ops->check_dir(ctx, dir_fd); + if (!moveon) + return moveon; + + /* Iterate the directory entries. */ + dir = fdopendir(dir_fd); + if (!dir) { + path_errno(ctx); + return true; + } + + /* Iterate every directory entry. */ + INIT_LIST_HEAD(&pp.list); + list_add_tail(&pp.list, &ctx->path_stack); + dirent = readdir(dir); + while (dirent) { + if (!strcmp(".", dirent->d_name) || + !strcmp("..", dirent->d_name)) + goto next; + + pp.name = dirent->d_name; + error = fstatat64(dir_fd, dirent->d_name, &sb, + AT_NO_AUTOMOUNT | AT_SYMLINK_NOFOLLOW); + if (error) { + path_errno(ctx); + break; + } + + /* Ignore files on other filesystems. */ + if (sb.st_dev != ctx->mnt_sb.st_dev) + goto next; + + /* Check the directory entry itself. */ + moveon = verify_dirent(ctx, dirent, &sb); + if (!moveon) + break; + + /* If symlink, read the target value. */ + if (S_ISLNK(sb.st_mode)) { + len = readlinkat(dir_fd, dirent->d_name, linkbuf, + PATH_MAX); + if (len < 0) + path_errno(ctx); + else if (len != sb.st_size) + path_error(ctx, +_("read %zu bytes from a %zu byte symlink?"), + len, sb.st_size); + } + + /* Read the xattrs without a file descriptor. */ + if (S_ISSOCK(sb.st_mode) || S_ISFIFO(sb.st_mode) || + S_ISBLK(sb.st_mode) || S_ISCHR(sb.st_mode) || + S_ISLNK(sb.st_mode)) { + moveon = ctx->ops->scan_special_xattrs(ctx); + if (!moveon) + break; + } + + /* If not dir or file, move on to the next dirent. */ + if (!S_ISDIR(sb.st_mode) && !S_ISREG(sb.st_mode)) + goto next; + + /* Open the file */ + fd = openat(dir_fd, dirent->d_name, + O_RDONLY | O_NOATIME | O_NOFOLLOW | O_NOCTTY); + if (fd < 0) { + path_errno(ctx); + goto next; + } + + /* Did the fstatat and the open race? */ + if (fstat64(fd, &fd_sb) < 0) { + path_errno(ctx); + goto close; + } + if (fd_sb.st_ino != sb.st_ino || fd_sb.st_dev != sb.st_dev) + path_warn(ctx, +_("inode changed out from under us!")); + + /* Check the inode. */ + moveon = ctx->ops->check_inode(ctx, fd, &fd_sb); + if (!moveon) + break; + + /* Scan the extent maps. */ + moveon = ctx->ops->scan_extents(ctx, fd, &fd_sb, false); + if (!moveon) + break; + moveon = ctx->ops->scan_extents(ctx, fd, &fd_sb, true); + if (!moveon) + break; + + /* Read all the file data. */ + if (scrub_data && S_ISREG(fd_sb.st_mode)) { + moveon = read_file(ctx, fd, &fd_sb); + if (!moveon) + break; + } + + /* Read all the extended attributes. */ + moveon = ctx->ops->scan_xattrs(ctx, fd); + if (!moveon) + break; + + /* If directory, call ourselves recursively. */ + if (S_ISDIR(fd_sb.st_mode)) { + moveon = check_dir(ctx, fd); + if (!moveon) + break; + /* closedir already closed fd for us */ + fd = -1; + goto next; + } + + /* Close file. */ +close: + error = close(fd); + if (error) + path_errno(ctx); + fd = -1; + +next: + dirent = readdir(dir); + } + + if (fd >= 0) { + error = close(fd); + if (error) + path_errno(ctx); + } + list_del(&pp.list); + + /* Close dir, go away. */ + error = closedir(dir); + if (error) + path_errno(ctx); + + return moveon; +} + + + +/* Traverse the directory tree. */ +static bool +traverse_fs( + struct scrub_ctx *ctx) +{ + bool moveon; + + /* Check the inode. */ + moveon = ctx->ops->check_inode(ctx, ctx->mnt_fd, &ctx->mnt_sb); + if (!moveon) + return moveon; + + /* Scan the extent maps. */ + moveon = ctx->ops->scan_extents(ctx, ctx->mnt_fd, &ctx->mnt_sb, false); + if (!moveon) + return moveon; + moveon = ctx->ops->scan_extents(ctx, ctx->mnt_fd, &ctx->mnt_sb, true); + if (!moveon) + return moveon; + + /* Check the mountpoint directory. */ + moveon = check_dir(ctx, ctx->mnt_fd); + if (!moveon) + return moveon; + + return true; +} + +static struct scrub_ops *scrub_impl[] = { + &xfs_scrub_ops, + &generic_scrub_ops, + NULL +}; + +int +main( + int argc, + char **argv) +{ + int c; + char *mtab = NULL; + struct scrub_ctx ctx; + bool ismnt; + bool moveon; + int ret; + struct scrub_ops **ops; + + progname = basename(argv[0]); + setlocale(LC_ALL, ""); + bindtextdomain(PACKAGE, LOCALEDIR); + textdomain(PACKAGE); + + ctx.ops = NULL; + while ((c = getopt(argc, argv, "dt:vxV")) != EOF) { + switch (c) { + case 'd': + debug = true; + break; + case 't': + for (ops = scrub_impl; *ops; ops++) { + if (!strcmp(optarg, (*ops)->name)) { + ctx.ops = *ops; + break; + } + } + if (!ctx.ops) { + fprintf(stderr, +_("Unknown filesystem driver '%s'.\n"), + optarg); + return 1; + } + break; + case 'v': + verbose = true; + break; + case 'x': + scrub_data = true; + break; + case 'V': + printf(_("%s version %s\n"), progname, VERSION); + exit(0); + case '?': + default: + usage(); + } + } + + if (optind != argc - 1) + usage(); + + ctx.errors_found = 0; + ctx.warnings_found = 0; + ctx.mntpoint = argv[optind]; + ctx.quirks = SCRUB_QUIRK_FIEMAP_WORKS | SCRUB_QUIRK_FIEMAP_ATTR_WORKS | + SCRUB_QUIRK_FIBMAP_WORKS; + + /* Find the mount record for the passed-in argument. */ + + if (stat64(argv[optind], &ctx.mnt_sb) < 0) { + fprintf(stderr, + _("%s: could not stat: %s: %s\n"), + progname, argv[optind], strerror(errno)); + return 16; + } + + /* + * If the user did not specify an explicit mount table, try to use + * /proc/mounts if it is available, else /etc/mtab. We prefer + * /proc/mounts because it is kernel controlled, while /etc/mtab + * may contain garbage that userspace tools like pam_mounts wrote + * into it. + */ + if (!mtab) { + if (access(_PATH_PROC_MOUNTS, R_OK) == 0) + mtab = _PATH_PROC_MOUNTS; + else + mtab = _PATH_MOUNTED; + } + + ismnt = find_mountpoint(mtab, &ctx.mnt_sb, &ctx.mnt_ent); + if (!ismnt) { + fprintf(stderr, _("%s: Not a mount point or block device.\n"), + ctx.mntpoint); + return 16; + } + ctx.mntpoint = ctx.mnt_ent.mnt_dir; + + /* Find an appropriate scrub backend. */ + for (ops = scrub_impl; !ctx.ops && *ops; ops++) { + if (!strcmp(ctx.mnt_ent.mnt_type, (*ops)->name)) + ctx.ops = *ops; + } + if (!ctx.ops) + ctx.ops = &generic_scrub_ops; + INIT_LIST_HEAD(&ctx.path_stack); + if (verbose) + printf(_("%s: scrubbing %s filesystem with %s driver.\n"), + ctx.mntpoint, ctx.mnt_ent.mnt_type, ctx.ops->name); + + /* Phase 1: Find and verify filesystem */ + if (verbose) + printf(_("Phase 1: Find filesystem.\n")); + ctx.mnt_fd = open(ctx.mntpoint, O_RDONLY | O_NOATIME); + if (ctx.mnt_fd < 0) { + perror(ctx.mntpoint); + return 8; + } + ret = fstat64(ctx.mnt_fd, &ctx.mnt_sb); + if (ret) { + path_errno(&ctx); + moveon = false; + goto out; + } + moveon = ctx.ops->scan_fs(&ctx); + if (!moveon) + goto out; + + /* Phase 2: Check inodes, blocks, and sizes */ + if (verbose) + printf(_("Phase 2: Scanning inodes.\n")); + moveon = ctx.ops->scan_inodes(&ctx); + if (!moveon) + goto out; + + /* Phase 3: Check the directory structure. */ + if (verbose) + printf(_("Phase 3: Check the directory structure.\n")); + moveon = traverse_fs(&ctx); + if (!moveon) + goto out; + + /* Phase X: Check for duplicate blocks(??) */ + + /* Phase Y: Verify link counts(??) */ + + /* Phase 4: Check internal group metadata. */ + if (verbose) + printf(_("Phase 4: Check internal metadata.\n")); + moveon = ctx.ops->scan_metadata(&ctx); + if (!moveon) + goto out; + + /* Clean up scan data. */ + moveon = ctx.ops->cleanup(&ctx); + if (!moveon) + goto out; + +out: + ret = 0; + if (!moveon) + ret |= 8; + + if (ctx.errors_found && ctx.warnings_found) + fprintf(stderr, +_("%s: %lu errors and %lu warnings found. Unmount and run fsck.\n"), + ctx.mntpoint, ctx.errors_found, ctx.warnings_found); + else if (ctx.errors_found && ctx.warnings_found == 0) + fprintf(stderr, +_("%s: %lu errors found. Unmount and run fsck.\n"), + ctx.mntpoint, ctx.errors_found); + else if (ctx.errors_found == 0 && ctx.warnings_found) + fprintf(stderr, +_("%s: %lu warnings found.\n"), + ctx.mntpoint, ctx.warnings_found); + if (ctx.errors_found) + ret |= 4; + + return ret; +} diff --git a/scrub/scrub.h b/scrub/scrub.h new file mode 100644 index 0000000..b7436c1 --- /dev/null +++ b/scrub/scrub.h @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef SCRUB_H_ +#define SCRUB_H_ + +struct scrub_ctx; + +struct scrub_ops { + const char *name; + bool (*cleanup)(struct scrub_ctx *ctx); + bool (*scan_fs)(struct scrub_ctx *ctx); + bool (*scan_inodes)(struct scrub_ctx *ctx); + bool (*check_dir)(struct scrub_ctx *ctx, int dir_fd); + bool (*check_inode)(struct scrub_ctx *ctx, int fd, struct stat64 *sb); + bool (*scan_extents)(struct scrub_ctx *ctx, int fd, struct stat64 *sb, + bool attr_fork); + bool (*scan_xattrs)(struct scrub_ctx *ctx, int fd); + bool (*scan_special_xattrs)(struct scrub_ctx *ctx); + bool (*scan_metadata)(struct scrub_ctx *ctx); +}; + +#define SCRUB_QUIRK_FIEMAP_WORKS (1 << 0) +#define SCRUB_QUIRK_FIEMAP_ATTR_WORKS (1 << 1) +#define SCRUB_QUIRK_FIBMAP_WORKS (1 << 2) +struct scrub_ctx { + struct scrub_ops *ops; + char *mntpoint; + int mnt_fd; + struct mntent mnt_ent; + struct stat64 mnt_sb; + struct statvfs mnt_sv; + struct statfs mnt_sf; + unsigned long errors_found; + unsigned long warnings_found; + unsigned long quirks; + + struct list_head path_stack; + void *priv; +}; + +struct path_piece { + struct list_head list; + const char *name; +}; + +extern bool verbose; +extern bool debug; +extern bool scrub_data; + +void __path_errno(struct scrub_ctx *, const char *, int); +void __path_error(struct scrub_ctx *, const char *, int, const char *, ...); +void __path_warn(struct scrub_ctx *, const char *, int, const char *, ...); +void __str_errno(struct scrub_ctx *, const char *, const char *, int); +void __str_error(struct scrub_ctx *, const char *, const char *, int, const char *, ...); +void __str_warn(struct scrub_ctx *, const char *, const char *, int, const char *, ...); + +#define path_errno(ctx) __path_errno(ctx, __FILE__, __LINE__) +#define path_error(ctx, ...) __path_error(ctx, __FILE__, __LINE__, __VA_ARGS__) +#define path_warn(ctx, ...) __path_warn(ctx, __FILE__, __LINE__, __VA_ARGS__) +#define str_errno(ctx, str) __str_errno(ctx, str, __FILE__, __LINE__) +#define str_error(ctx, str, ...) __str_error(ctx, str, __FILE__, __LINE__, __VA_ARGS__) +#define str_warn(ctx, str, ...) __str_warn(ctx, str, __FILE__, __LINE__, __VA_ARGS__) + +int construct_path(struct scrub_ctx *ctx, char *buf, size_t buflen); + +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + +extern struct scrub_ops generic_scrub_ops; +extern struct scrub_ops xfs_scrub_ops; + +bool generic_cleanup(struct scrub_ctx *ctx); +bool generic_scan_fs(struct scrub_ctx *ctx); +bool generic_scan_inodes(struct scrub_ctx *ctx); +bool generic_check_dir(struct scrub_ctx *ctx, int dir_fd); +bool generic_check_inode(struct scrub_ctx *ctx, int fd, struct stat64 *sb); +bool generic_scan_extents(struct scrub_ctx *ctx, int fd, struct stat64 *sb, + bool attr_fork); +bool generic_scan_xattrs(struct scrub_ctx *ctx, int fd); +bool generic_scan_special_xattrs(struct scrub_ctx *ctx); + +#endif /* SCRUB_H_ */ diff --git a/scrub/xfs.c b/scrub/xfs.c new file mode 100644 index 0000000..0300066 --- /dev/null +++ b/scrub/xfs.c @@ -0,0 +1,241 @@ +/* + * Copyright (C) 2016 Oracle. All Rights Reserved. + * + * Author: Darrick J. Wong + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include "libxfs.h" +#include +#include +#include +#include "scrub.h" + +/* Routines to scrub an XFS filesystem. */ + +struct xfs_scrub_ctx { + xfs_fsop_geom_t geo; + int check_fd; +}; + +static bool +xfs_cleanup( + struct scrub_ctx *ctx) +{ + free(ctx->priv); + ctx->priv = NULL; + + return generic_cleanup(ctx); +} + +/* Find the /sys/fs/xfs/$dev/check path that corresponds to this fs. */ +static bool +xfs_find_sysfs_check( + struct scrub_ctx *ctx) +{ + struct xfs_scrub_ctx *xctx = ctx->priv; + char path[PATH_MAX]; + char buf[PATH_MAX]; + int sz; + ssize_t ssz; + char *p; + + /* /dev/block/$major:$minor usually points "../$kernel_name" */ + sz = snprintf(path, PATH_MAX, "/dev/block/%d:%d", + major(ctx->mnt_sb.st_dev), minor(ctx->mnt_sb.st_dev)); + if (sz < 0) { + path_errno(ctx); + return false; + } + + ssz = readlink(path, buf, PATH_MAX); + if (ssz < 0) { + perror(path); + return false; + } + buf[PATH_MAX - 1] = 0; + + p = strchr(buf, '/'); + p = NULL ? buf : p + 1; + + /* See if we can find a pointer to /sys/fs/xfs/$p/check */ + sz = snprintf(path, PATH_MAX, "/sys/fs/xfs/%s/check", p); + if (sz < 0) { + path_errno(ctx); + return false; + } + + xctx->check_fd = open(path, O_RDONLY | O_DIRECTORY); + if (xctx->check_fd < 0) { + if (errno != ENOENT) + perror(path); + return false; + } + + return true; +} + +/* Read the XFS geometry. */ +static bool +xfs_scan_fs( + struct scrub_ctx *ctx) +{ + struct xfs_scrub_ctx *xctx; + int error; + + if (!platform_test_xfs_fd(ctx->mnt_fd)) { + path_error(ctx, +_("Does not appear to be an XFS filesystem!")); + return false; + } + + xctx = malloc(sizeof(struct xfs_scrub_ctx)); + if (!ctx) { + path_errno(ctx); + return false; + } + xctx->check_fd = -1; + + /* Retrieve XFS geometry. */ + error = xfsctl(ctx->mntpoint, ctx->mnt_fd, XFS_IOC_FSGEOMETRY, + &xctx->geo); + if (error) { + path_errno(ctx); + xfs_cleanup(ctx); + return false; + } + ctx->priv = xctx; + + printf("xfs_scrub is incomplete on XFS.\n"); + + /* XXX: should we whine if we can't find the sysfs check dir? */ + xfs_find_sysfs_check(ctx); + + return generic_scan_fs(ctx); +} + +/* Scrub a piece of metadata in a particular AG. */ +static bool +xfs_scan_ag_metadata( + struct scrub_ctx *ctx, + const char *name, + xfs_agnumber_t ag) +{ + struct xfs_scrub_ctx *xctx = ctx->priv; + char descr[256]; + char cmd[256]; + int fd; + int sz; + ssize_t ssz; + + sz = snprintf(descr, 256, "AG %d %s", ag, name); + if (sz < 0) { + str_errno(ctx, name); + return false; + } + + fd = openat(xctx->check_fd, name, O_WRONLY); + if (fd < 0) { + str_errno(ctx, descr); + return true; + } + + sz = snprintf(cmd, 256, "%d", ag); + if (sz < 0) { + str_errno(ctx, descr); + goto out; + } + + ssz = write(fd, cmd, strlen(cmd)); + if (ssz < 0) { + str_errno(ctx, descr); + goto out; + } else if (ssz != strlen(cmd)) { + str_error(ctx, descr, +_("Strange output length %zu (expected %zu)\n"), + ssz, strlen(cmd)); + ctx->errors_found++; + goto out; + } + +out: + sz = close(fd); + if (sz) + str_errno(ctx, descr); + + return true; +} + +/* Try to scan metadata via sysfs. */ +static bool +xfs_scan_metadata( + struct scrub_ctx *ctx) +{ + struct xfs_scrub_ctx *xctx = ctx->priv; + xfs_agnumber_t ag; + DIR *checkdir; + bool moveon = true; + struct dirent *dirent; + int error; + + if (xctx->check_fd < 0) + return true; + + /* Open the check controls. */ + checkdir = fdopendir(xctx->check_fd); + if (!checkdir) { + path_error(ctx, +_("Failed to open the check control.")); + return false; + } + + /* Scan everything we can in here. */ + while ((dirent = readdir(checkdir)) != NULL) { + if (!strcmp(".", dirent->d_name) || + !strcmp("..", dirent->d_name)) + continue; + + for (ag = 0; ag < xctx->geo.agcount; ag++) { + moveon = xfs_scan_ag_metadata(ctx, dirent->d_name, ag); + if (!moveon) + break; + } + } + + /* Done with metadata scrub. */ + error = closedir(checkdir); + if (error) + path_errno(ctx); + xctx->check_fd = -1; + + return moveon; +} + +/* + * XXX: eventually we'll want to do better checking here, but the generic + * tree walk + metadata scrub is good enough for now. + */ +struct scrub_ops xfs_scrub_ops = { + .name = "xfs", + .cleanup = xfs_cleanup, + .scan_fs = xfs_scan_fs, + .scan_inodes = generic_scan_inodes, + .check_dir = generic_check_dir, + .check_inode = generic_check_inode, + .scan_extents = generic_scan_extents, + .scan_xattrs = generic_scan_xattrs, + .scan_special_xattrs = generic_scan_special_xattrs, + .scan_metadata = xfs_scan_metadata, +}; From darrick.wong@oracle.com Thu Jun 16 20:46:19 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8E21E84E0 for ; Thu, 16 Jun 2016 20:46:19 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 149D5AC001 for ; Thu, 16 Jun 2016 18:46:19 -0700 (PDT) X-ASG-Debug-ID: 1466127977-04cbb01fec6aa70001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id kOct3ZBgW4relyXz (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:17 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kCkv013931 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:12 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kCbQ020216 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:12 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kA0i014344; Fri, 17 Jun 2016 01:46:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:09 -0700 Subject: [PATCH 01/20] xfs/104: don't enospc when ag metadata overhead grows From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 01/20] xfs/104: don't enospc when ag metadata overhead grows To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:08 -0700 Message-ID: <146612796843.25024.7729638172520969379.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127977 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1002 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Adapt to different metadata overhead sizes by trying to reserve decreasing amounts of disk space until we actually succeed at it. Signed-off-by: Darrick J. Wong --- tests/xfs/104 | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/tests/xfs/104 b/tests/xfs/104 index 17f9b62..785027e 100755 --- a/tests/xfs/104 +++ b/tests/xfs/104 @@ -88,9 +88,14 @@ sizeb=`expr $size / $dbsize` # in data blocks echo "*** creating scratch filesystem" _create_scratch -lsize=10m -dsize=${size} -dagcount=${nags} -fillsize=`expr 110 \* 1048576` # 110 megabytes of filling echo "*** using some initial space on scratch filesystem" -_fill_scratch $fillsize +for i in `seq 125 -1 90`; do + fillsize=`expr $i \* 1048576` + out="$(_fill_scratch $fillsize 2>&1)" + echo "$out" | grep -q 'No space left on device' && continue + test -n "${out}" && echo "$out" + break +done # # Grow the filesystem while actively stressing it... From darrick.wong@oracle.com Thu Jun 16 20:46:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5A9F984EA for ; Thu, 16 Jun 2016 20:46:27 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id D9EBFAC002 for ; Thu, 16 Jun 2016 18:46:26 -0700 (PDT) X-ASG-Debug-ID: 1466127983-04bdf01e15967f0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 1PdihesRLb5K07y5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:24 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kJ2T013974 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:19 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kIFl020359 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:19 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kGhn014347; Fri, 17 Jun 2016 01:46:17 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:16 -0700 Subject: [PATCH 02/20] tests: don't put loop control files on the scratch mount From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 02/20] tests: don't put loop control files on the scratch mount To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:14 -0700 Message-ID: <146612797466.25024.4591042273728464399.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127983 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12042 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines If we're doing write/overwrite/snapshot/resource exhaustion tests on the scratch device, use the test directory to hold the loop termination signal files. This way we don't run infinitely because we can't create the flag due to ENOSPC. v2: put the control files in /tmp, not $TEST_DIR Signed-off-by: Darrick J. Wong --- tests/generic/162 | 8 +++++--- tests/generic/163 | 8 +++++--- tests/generic/164 | 8 +++++--- tests/generic/165 | 8 +++++--- tests/generic/166 | 8 +++++--- tests/generic/167 | 8 +++++--- tests/generic/168 | 8 +++++--- tests/generic/170 | 8 +++++--- tests/generic/333 | 20 ++++++++++++-------- tests/generic/334 | 20 ++++++++++++-------- 10 files changed, 64 insertions(+), 40 deletions(-) diff --git a/tests/generic/162 b/tests/generic/162 index 5ff2ee2..61cf463 100755 --- a/tests/generic/162 +++ b/tests/generic/162 @@ -33,7 +33,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file wait } @@ -51,6 +51,8 @@ _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file mkdir $testdir loops=512 @@ -64,7 +66,7 @@ _pwrite_byte 0x61 0 $((loops * blksz)) $testdir/file2 >> $seqres.full _scratch_cycle_mount overwrite() { - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do seq $nr_loops -1 0 | while read i; do _pwrite_byte 0x61 $((i * blksz)) $blksz $testdir/file2 >> $seqres.full done @@ -81,7 +83,7 @@ for i in `seq 1 2`; do done done echo "Finished dedupeing" -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/163 b/tests/generic/163 index fcba677..e2c6042 100755 --- a/tests/generic/163 +++ b/tests/generic/163 @@ -33,7 +33,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file wait } @@ -51,6 +51,8 @@ _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file mkdir $testdir loops=512 @@ -64,7 +66,7 @@ _pwrite_byte 0x61 0 $((loops * blksz)) $testdir/file2 >> $seqres.full _scratch_cycle_mount overwrite() { - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do seq $nr_loops -1 0 | while read i; do _pwrite_byte 0x61 $((i * blksz)) $blksz $testdir/file1 >> $seqres.full done @@ -81,7 +83,7 @@ for i in `seq 1 2`; do done done echo "Finished dedupeing" -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/164 b/tests/generic/164 index acacb7f..78ea787 100755 --- a/tests/generic/164 +++ b/tests/generic/164 @@ -34,7 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file wait } @@ -53,6 +53,8 @@ _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file mkdir $testdir loops=512 @@ -71,7 +73,7 @@ fbytes() { } reader() { - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do _read_range $testdir/file3 0 $((loops * blksz)) | fbytes done } @@ -91,7 +93,7 @@ for i in `seq 1 2`; do done done echo "Finished reflinking" -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/165 b/tests/generic/165 index b742d19..ca11e1e 100755 --- a/tests/generic/165 +++ b/tests/generic/165 @@ -34,7 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file wait } @@ -54,6 +54,8 @@ _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file mkdir $testdir loops=512 @@ -72,7 +74,7 @@ fbytes() { } reader() { - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do _read_range $testdir/file3 0 $((loops * blksz)) -d | fbytes done } @@ -92,7 +94,7 @@ for i in `seq 1 2`; do done done echo "Finished reflinking" -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/166 b/tests/generic/166 index 0e31f2e..8600a13 100755 --- a/tests/generic/166 +++ b/tests/generic/166 @@ -34,7 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file wait } @@ -54,6 +54,8 @@ _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file mkdir $testdir loops=1024 @@ -68,7 +70,7 @@ _scratch_cycle_mount # Snapshot creator... snappy() { n=0 - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do out="$(_cp_reflink $testdir/file1 $testdir/snap_$n 2>&1)" res=$? echo "$out" | grep -q "No space left" && break @@ -83,7 +85,7 @@ snappy & seq $nr_loops -1 0 | while read i; do _pwrite_byte 0x63 $((i * blksz)) $blksz -d $testdir/file1 >> $seqres.full done -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/167 b/tests/generic/167 index b2d6c87..261506b 100755 --- a/tests/generic/167 +++ b/tests/generic/167 @@ -34,7 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file wait } @@ -53,6 +53,8 @@ _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file mkdir $testdir loops=1024 @@ -67,7 +69,7 @@ _scratch_cycle_mount # Snapshot creator... snappy() { n=0 - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do out="$(_cp_reflink $testdir/file1 $testdir/snap_$n 2>&1)" res=$? echo "$out" | grep -q "No space left" && break @@ -82,7 +84,7 @@ snappy & seq $nr_loops -1 0 | while read i; do _pwrite_byte 0x63 $((i * blksz)) $blksz $testdir/file1 >> $seqres.full done -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/168 b/tests/generic/168 index 7047d10..ceee264 100755 --- a/tests/generic/168 +++ b/tests/generic/168 @@ -34,7 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file wait } @@ -52,6 +52,8 @@ _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file mkdir $testdir loops=1024 @@ -66,7 +68,7 @@ _scratch_cycle_mount # Direct I/O overwriter... overwrite() { - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do seq $nr_loops -1 0 | while read i; do _pwrite_byte 0x63 $((i * blksz)) $blksz $testdir/file2 >> $seqres.full done @@ -82,7 +84,7 @@ seq 1 10 | while read j; do [ $? -ne 0 ] && exit done done -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/170 b/tests/generic/170 index 4861052..6559243 100755 --- a/tests/generic/170 +++ b/tests/generic/170 @@ -34,7 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file wait } @@ -53,6 +53,8 @@ _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file mkdir $testdir loops=1024 @@ -67,7 +69,7 @@ _scratch_cycle_mount # Direct I/O overwriter... overwrite() { - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do seq $nr_loops -1 0 | while read i; do _pwrite_byte 0x63 $((i * blksz)) $blksz -d $testdir/file2 >> $seqres.full done @@ -83,7 +85,7 @@ seq 1 10 | while read j; do [ $? -ne 0 ] && exit done done -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/333 b/tests/generic/333 index 8db86e3..3d874d7 100755 --- a/tests/generic/333 +++ b/tests/generic/333 @@ -34,7 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file $abort_file wait } @@ -54,6 +54,10 @@ _scratch_mkfs_sized $((400 * 1048576)) > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file +abort_file=/tmp/abort +rm -rf $abort_file mkdir $testdir loops=1024 @@ -68,7 +72,7 @@ _scratch_cycle_mount # Snapshot creator... snappy() { n=0 - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do out="$(_cp_reflink $testdir/file1 $testdir/snap_$n 2>&1)" res=$? echo $out | grep -q "No space left" && break @@ -76,7 +80,7 @@ snappy() { test $res -ne 0 && break n=$((n + 1)) done - touch $testdir/abort + touch $abort_file } echo "Snapshot a file undergoing directio rewrite" @@ -85,13 +89,13 @@ seq 1 1000 | while read j; do seq $nr_loops -1 0 | while read i; do out="$(_pwrite_byte 0x63 $((i * blksz)) $blksz -d $testdir/file1 2>&1)" echo $out >> $seqres.full - echo $out | grep -q "No space left" && touch $testdir/abort - echo $out | grep -qi "error" && touch $testdir/abort - test -e $testdir/abort && break + echo $out | grep -q "No space left" && touch $abort_file + echo $out | grep -qi "error" && touch $abort_file + test -e $abort_file && break done - test -e $testdir/abort && break + test -e $abort_file && break done -touch $testdir/finished +touch $finished_file wait # success, all done diff --git a/tests/generic/334 b/tests/generic/334 index 5714125..fb21d4f 100755 --- a/tests/generic/334 +++ b/tests/generic/334 @@ -34,7 +34,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 7 15 _cleanup() { cd / - rm -rf $tmp.* + rm -rf $tmp.* $finished_file $abort_file wait } @@ -53,6 +53,10 @@ _scratch_mkfs_sized $((400 * 1048576)) > $seqres.full 2>&1 _scratch_mount >> $seqres.full 2>&1 testdir=$SCRATCH_MNT/test-$seq +finished_file=/tmp/finished +rm -rf $finished_file +abort_file=/tmp/abort +rm -rf $abort_file mkdir $testdir loops=1024 @@ -67,7 +71,7 @@ _scratch_cycle_mount # Snapshot creator... snappy() { n=0 - while [ ! -e $testdir/finished ]; do + while [ ! -e $finished_file ]; do out="$(_cp_reflink $testdir/file1 $testdir/snap_$n 2>&1)" res=$? echo $out | grep -q "No space left" && break @@ -75,7 +79,7 @@ snappy() { test $res -ne 0 && break n=$((n + 1)) done - touch $testdir/abort + touch $abort_file } echo "Snapshot a file undergoing buffered rewrite" @@ -84,13 +88,13 @@ seq 1 1000 | while read j; do seq $nr_loops -1 0 | while read i; do out="$(_pwrite_byte 0x63 $((i * blksz)) $blksz $testdir/file1 2>&1)" echo $out >> $seqres.full - echo $out | grep -q "No space left" && touch $testdir/abort - echo $out | grep -qi "error" && touch $testdir/abort - test -e $testdir/abort && break + echo $out | grep -q "No space left" && touch $abort_file + echo $out | grep -qi "error" && touch $abort_file + test -e $abort_file && break done - test -e $testdir/abort && break + test -e $abort_file && break done -touch $testdir/finished +touch $finished_file wait # success, all done From darrick.wong@oracle.com Thu Jun 16 20:46:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CE7E584EA for ; Thu, 16 Jun 2016 20:46:28 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5C5E7AC001 for ; Thu, 16 Jun 2016 18:46:28 -0700 (PDT) X-ASG-Debug-ID: 1466127985-04bdf01e13967f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id DGBdBwkhEOjSDYXU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:25 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kNig026241 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:24 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kNRG015828 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:23 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kMZX032165; Fri, 17 Jun 2016 01:46:23 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:22 -0700 Subject: [PATCH 03/20] xfs: test copy-on-write leftover recovery From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 03/20] xfs: test copy-on-write leftover recovery To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:21 -0700 Message-ID: <146612798101.25024.17766898485265622934.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466127985 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 13850 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Test recovery of CoW leftovers in xfs_repair. Signed-off-by: Darrick J. Wong --- tests/xfs/853 | 179 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/853.out | 13 ++++ tests/xfs/854 | 180 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/854.out | 13 ++++ tests/xfs/group | 2 + 5 files changed, 387 insertions(+) create mode 100755 tests/xfs/853 create mode 100644 tests/xfs/853.out create mode 100755 tests/xfs/854 create mode 100644 tests/xfs/854.out diff --git a/tests/xfs/853 b/tests/xfs/853 new file mode 100755 index 0000000..14a6940 --- /dev/null +++ b/tests/xfs/853 @@ -0,0 +1,179 @@ +#! /bin/bash +# FS QA Test No. 853 +# +# Test recovery of "lost" CoW blocks: +# - Use the debugger to fake a leftover CoW extent +# - See if xfs_repair fixes it +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch_reflink + +rm -f $seqres.full + +echo "Format" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +umount $SCRATCH_MNT + +_get_agf_data() { + field="$1" + shift + + xfs_db -c 'agf 1' "$@" -c "p $field" $SCRATCH_DEV | awk '{print $3}' +} + +_set_agf_data() { + field="$1" + value="$2" + shift; shift + + xfs_db -x -c 'agf 1' "$@" -c "write $field -- $value" $SCRATCH_DEV >> $seqres.full +} + +_get_sb_data() { + field="$1" + shift + + xfs_db -c 'sb 0' "$@" -c "p $field" $SCRATCH_DEV | awk '{print $3}' +} + +_set_sb_data() { + field="$1" + value="$2" + shift; shift + + xfs_db -x -c 'sb 0' "$@" -c "write $field -- $value" $SCRATCH_DEV >> $seqres.full +} + +_filter_leftover() { + grep "^leftover" | sed -e "s/[0-9]\+/NR/g" +} + +_dump_status() { + echo "** " "$@" + xfs_db -c 'sb 0' -c p $SCRATCH_DEV + echo "** agf header" + xfs_db -c 'agf 1' -c p $SCRATCH_DEV + echo "** refcntbt" + xfs_db -c 'agf 1' -c 'addr refcntroot' -c p $SCRATCH_DEV + echo "** rmapbt" + test $is_rmap -gt 0 && xfs_db -c 'agf 1' -c 'addr rmaproot' -c p $SCRATCH_DEV + echo "** bnobt" + xfs_db -c 'agf 1' -c 'addr bnoroot' -c p $SCRATCH_DEV + echo "** cntbt" + xfs_db -c 'agf 1' -c 'addr cntroot' -c p $SCRATCH_DEV +} + +echo "We need AG1 to have a single free extent" +bno_lvl=$(_get_agf_data level -c 'addr bnoroot') +bno_nr=$(_get_agf_data numrecs -c 'addr bnoroot') +refc_lvl=$(_get_agf_data level -c 'addr refcntroot') +refc_nr=$(_get_agf_data numrecs -c 'addr refcntroot') + +test $bno_lvl -eq 0 || echo " AG 1 bnobt must only have one level" +test $bno_nr -eq 1 || echo " AG 1 bnobt must only have one record" +test $refc_lvl -eq 0 || echo " AG 1 refcountbt must only have one level" +test $refc_nr -eq 0 || echo " AG 1 refcountbt must only have one record" + +if [ $is_rmap -gt 0 ]; then + rmap_lvl=$(_get_agf_data level -c 'addr rmaproot') + rmap_nr=$(_get_agf_data numrecs -c 'addr rmaproot') + test $rmap_lvl -eq 0 || echo " AG 1 rmapbt must only have one level" +fi + +echo "Find our extent and old counter values" +bno=$(_get_agf_data "recs[1].startblock" -c 'addr bnoroot') +len=$(_get_agf_data "recs[1].blockcount" -c 'addr bnoroot') +agf_freeblks=$(_get_agf_data freeblks) +sb_fdblocks=$(_get_sb_data fdblocks) + +test $len -ge 200 || echo " AG 1 doesn't have enough free blocks" + +# Take the last 100 blocks of the free extent +debris_len=100 +debris_bno=$((bno + len - debris_len)) + +echo "Remove the extent from the freesp btrees" +_set_agf_data "recs[1].blockcount" $((len - debris_len)) -c 'addr bnoroot' +_set_agf_data "recs[1].blockcount" $((len - debris_len)) -c 'addr cntroot' +_set_agf_data freeblks $((agf_freeblks - debris_len)) +_set_agf_data longest $((len - debris_len)) +_set_sb_data fdblocks $((sb_fdblocks - debris_len)) + +echo "Add the extent to the refcount btree" +_set_agf_data numrecs 1 -c 'addr refcntroot' +_set_agf_data "recs[1].startblock" $debris_bno -c 'addr refcntroot' +_set_agf_data "recs[1].blockcount" $debris_len -c 'addr refcntroot' +_set_agf_data "recs[1].refcount" 1 -c 'addr refcntroot' + +if [ $is_rmap -gt 0 ]; then + rmap_nr=$((rmap_nr + 1)) + _set_agf_data numrecs $rmap_nr -c 'addr rmaproot' + _set_agf_data "recs[$rmap_nr].startblock" $debris_bno -c 'addr rmaproot' + _set_agf_data "recs[$rmap_nr].blockcount" $debris_len -c 'addr rmaproot' + _set_agf_data "recs[$rmap_nr].owner" -9 -c 'addr rmaproot' + _set_agf_data "recs[$rmap_nr].offset" 0 -c 'addr rmaproot' +fi + +_dump_status "broken fs config" >> $seqres.full + +echo "Look for leftover warning in xfs_check" +_scratch_xfs_check | _filter_leftover + +echo "Look for leftover warning in xfs_repair" +_scratch_xfs_repair -n 2>&1 | _filter_leftover + +echo "Fix filesystem" +_scratch_xfs_repair >> $seqres.full 2>&1 || echo "xfs_repair failed?" + +_dump_status "supposedly fixed fs config" >> $seqres.full + +echo "Look for no more leftover warning in xfs_check" +_scratch_xfs_check | _filter_leftover + +echo "Look for no more leftover warning in xfs_repair" +_scratch_xfs_repair -n 2>&1 | _filter_leftover + +# success, all done +status=0 +exit diff --git a/tests/xfs/853.out b/tests/xfs/853.out new file mode 100644 index 0000000..3224e8d --- /dev/null +++ b/tests/xfs/853.out @@ -0,0 +1,13 @@ +QA output created by 853 +Format +We need AG1 to have a single free extent +Find our extent and old counter values +Remove the extent from the freesp btrees +Add the extent to the refcount btree +Look for leftover warning in xfs_check +leftover CoW extent (NR/NR) len NR +Look for leftover warning in xfs_repair +leftover CoW extent (NR/NR) len NR +Fix filesystem +Look for no more leftover warning in xfs_check +Look for no more leftover warning in xfs_repair diff --git a/tests/xfs/854 b/tests/xfs/854 new file mode 100755 index 0000000..5c6bec9 --- /dev/null +++ b/tests/xfs/854 @@ -0,0 +1,180 @@ +#! /bin/bash +# FS QA Test No. 854 +# +# Test recovery of "lost" CoW blocks: +# - Use the debugger to fake a leftover CoW extent +# - See if mount/umount fixes it +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch_reflink + +rm -f $seqres.full + +echo "Format" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +umount $SCRATCH_MNT + +_get_agf_data() { + field="$1" + shift + + xfs_db -c 'agf 1' "$@" -c "p $field" $SCRATCH_DEV | awk '{print $3}' +} + +_set_agf_data() { + field="$1" + value="$2" + shift; shift + + xfs_db -x -c 'agf 1' "$@" -c "write $field -- $value" $SCRATCH_DEV >> $seqres.full +} + +_get_sb_data() { + field="$1" + shift + + xfs_db -c 'sb 0' "$@" -c "p $field" $SCRATCH_DEV | awk '{print $3}' +} + +_set_sb_data() { + field="$1" + value="$2" + shift; shift + + xfs_db -x -c 'sb 0' "$@" -c "write $field -- $value" $SCRATCH_DEV >> $seqres.full +} + +_filter_leftover() { + grep "^leftover" | sed -e "s/[0-9]\+/NR/g" +} + +_dump_status() { + echo "** " "$@" + xfs_db -c 'sb 0' -c p $SCRATCH_DEV + echo "** agf header" + xfs_db -c 'agf 1' -c p $SCRATCH_DEV + echo "** refcntbt" + xfs_db -c 'agf 1' -c 'addr refcntroot' -c p $SCRATCH_DEV + echo "** rmapbt" + test $is_rmap -gt 0 && xfs_db -c 'agf 1' -c 'addr rmaproot' -c p $SCRATCH_DEV + echo "** bnobt" + xfs_db -c 'agf 1' -c 'addr bnoroot' -c p $SCRATCH_DEV + echo "** cntbt" + xfs_db -c 'agf 1' -c 'addr cntroot' -c p $SCRATCH_DEV +} + +echo "We need AG1 to have a single free extent" +bno_lvl=$(_get_agf_data level -c 'addr bnoroot') +bno_nr=$(_get_agf_data numrecs -c 'addr bnoroot') +refc_lvl=$(_get_agf_data level -c 'addr refcntroot') +refc_nr=$(_get_agf_data numrecs -c 'addr refcntroot') + +test $bno_lvl -eq 0 || echo " AG 1 bnobt must only have one level" +test $bno_nr -eq 1 || echo " AG 1 bnobt must only have one record" +test $refc_lvl -eq 0 || echo " AG 1 refcountbt must only have one level" +test $refc_nr -eq 0 || echo " AG 1 refcountbt must only have one record" + +if [ $is_rmap -gt 0 ]; then + rmap_lvl=$(_get_agf_data level -c 'addr rmaproot') + rmap_nr=$(_get_agf_data numrecs -c 'addr rmaproot') + test $rmap_lvl -eq 0 || echo " AG 1 rmapbt must only have one level" +fi + +echo "Find our extent and old counter values" +bno=$(_get_agf_data "recs[1].startblock" -c 'addr bnoroot') +len=$(_get_agf_data "recs[1].blockcount" -c 'addr bnoroot') +agf_freeblks=$(_get_agf_data freeblks) +sb_fdblocks=$(_get_sb_data fdblocks) + +test $len -ge 200 || echo " AG 1 doesn't have enough free blocks" + +# Take the last 100 blocks of the free extent +debris_len=100 +debris_bno=$((bno + len - debris_len)) + +echo "Remove the extent from the freesp btrees" +_set_agf_data "recs[1].blockcount" $((len - debris_len)) -c 'addr bnoroot' +_set_agf_data "recs[1].blockcount" $((len - debris_len)) -c 'addr cntroot' +_set_agf_data freeblks $((agf_freeblks - debris_len)) +_set_agf_data longest $((len - debris_len)) +_set_sb_data fdblocks $((sb_fdblocks - debris_len)) + +echo "Add the extent to the refcount btree" +_set_agf_data numrecs 1 -c 'addr refcntroot' +_set_agf_data "recs[1].startblock" $debris_bno -c 'addr refcntroot' +_set_agf_data "recs[1].blockcount" $debris_len -c 'addr refcntroot' +_set_agf_data "recs[1].refcount" 1 -c 'addr refcntroot' + +if [ $is_rmap -gt 0 ]; then + rmap_nr=$((rmap_nr + 1)) + _set_agf_data numrecs $rmap_nr -c 'addr rmaproot' + _set_agf_data "recs[$rmap_nr].startblock" $debris_bno -c 'addr rmaproot' + _set_agf_data "recs[$rmap_nr].blockcount" $debris_len -c 'addr rmaproot' + _set_agf_data "recs[$rmap_nr].owner" -9 -c 'addr rmaproot' + _set_agf_data "recs[$rmap_nr].offset" 0 -c 'addr rmaproot' +fi + +_dump_status "broken fs config" >> $seqres.full + +echo "Look for leftover warning in xfs_check" +_scratch_xfs_check | _filter_leftover + +echo "Look for leftover warning in xfs_repair" +_scratch_xfs_repair -n 2>&1 | _filter_leftover + +echo "Mount filesystem" +_scratch_mount +umount $SCRATCH_MNT + +_dump_status "supposedly fixed fs config" >> $seqres.full + +echo "Look for no more leftover warning in xfs_check" +_scratch_xfs_check | _filter_leftover + +echo "Look for no more leftover warning in xfs_repair" +_scratch_xfs_repair -n 2>&1 | _filter_leftover + +# success, all done +status=0 +exit diff --git a/tests/xfs/854.out b/tests/xfs/854.out new file mode 100644 index 0000000..aae2fd7 --- /dev/null +++ b/tests/xfs/854.out @@ -0,0 +1,13 @@ +QA output created by 854 +Format +We need AG1 to have a single free extent +Find our extent and old counter values +Remove the extent from the freesp btrees +Add the extent to the refcount btree +Look for leftover warning in xfs_check +leftover CoW extent (NR/NR) len NR +Look for leftover warning in xfs_repair +leftover CoW extent (NR/NR) len NR +Mount filesystem +Look for no more leftover warning in xfs_check +Look for no more leftover warning in xfs_repair diff --git a/tests/xfs/group b/tests/xfs/group index f4c6816..4ac62c1 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -285,3 +285,5 @@ 303 auto quick quota 304 auto quick quota 305 auto quota +853 auto quick clone +854 auto quick clone From darrick.wong@oracle.com Thu Jun 16 20:46:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D750B84B6 for ; Thu, 16 Jun 2016 20:46:39 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id A8AA18F804C for ; Thu, 16 Jun 2016 18:46:39 -0700 (PDT) X-ASG-Debug-ID: 1466127997-04cb6c542658660001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ZGD4KCA5zFBriRzs (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:37 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kUMh014059 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:31 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kUXv015940 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:30 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kTYl026607; Fri, 17 Jun 2016 01:46:29 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:28 -0700 Subject: [PATCH 04/20] xfs: test per-ag allocation accounting during truncate-caused refcountbt expansion From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 04/20] xfs: test per-ag allocation accounting during truncate-caused refcountbt expansion To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, Christoph Hellwig , fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:27 -0700 Message-ID: <146612798735.25024.15150901661628191347.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466127997 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3990 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Ensure that refcountbt allocations during truncate operations come from the per-AG reservation and are not charged to the transaction. Reported-by: Christoph Hellwig Signed-off-by: Darrick J. Wong --- tests/xfs/855 | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/855.out | 10 ++++++ tests/xfs/group | 1 + 3 files changed, 106 insertions(+) create mode 100755 tests/xfs/855 create mode 100644 tests/xfs/855.out diff --git a/tests/xfs/855 b/tests/xfs/855 new file mode 100755 index 0000000..93bd286 --- /dev/null +++ b/tests/xfs/855 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 855 +# +# Ensure that we can create enough distinct reflink entries to force creation +# of a multi-level refcount btree by reflinking a file a number of times and +# truncating the copies at successively lower sizes. Delete and recreate a few +# times to exercise the refcount btree grow/shrink functions. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch_reflink +_require_cp_reflink + +rm -f $seqres.full + +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +echo "Create the original file blocks" +blksz="$(stat -f $testdir -c '%S')" +nr_blks=$((2 * blksz / 12)) + +for i in 1 2 x; do + _pwrite_byte 0x61 0 $((blksz * nr_blks)) $testdir/file1 >> $seqres.full + + echo "$i: Reflink a bunch of times" + seq 1 $nr_blks | while read nr; do + _cp_reflink $testdir/file1 $testdir/file1.$nr >> $seqres.full + done + sync + + echo "$i: Truncate files" + seq 1 $nr_blks | while read nr; do + truncate -s $((blksz * (nr_blks - nr))) $testdir/file1.$nr >> $seqres.full + done + + umount $SCRATCH_MNT + _check_scratch_fs + _scratch_mount + + test $i = "x" && break + + echo "$i: Delete both files" + rm -rf $testdir + mkdir -p $testdir + umount $SCRATCH_MNT + _check_scratch_fs + _scratch_mount +done + +# success, all done +status=0 +exit diff --git a/tests/xfs/855.out b/tests/xfs/855.out new file mode 100644 index 0000000..d196352 --- /dev/null +++ b/tests/xfs/855.out @@ -0,0 +1,10 @@ +QA output created by 855 +Create the original file blocks +1: Reflink a bunch of times +1: Truncate files +1: Delete both files +2: Reflink a bunch of times +2: Truncate files +2: Delete both files +x: Reflink a bunch of times +x: Truncate files diff --git a/tests/xfs/group b/tests/xfs/group index 4ac62c1..f0ca410 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -287,3 +287,4 @@ 305 auto quota 853 auto quick clone 854 auto quick clone +855 auto clone From darrick.wong@oracle.com Thu Jun 16 20:46:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 96831850C for ; Thu, 16 Jun 2016 20:46:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0D857AC001 for ; Thu, 16 Jun 2016 18:46:44 -0700 (PDT) X-ASG-Debug-ID: 1466128002-04cbb01fef6aae0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id mr8l44wq9D8FelEg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:42 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kaRh014082 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:46:36 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1ka7j013940 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:46:36 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1kZb2004484; Fri, 17 Jun 2016 01:46:35 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:35 -0700 Subject: [PATCH 05/20] reflink: test interaction with swap files From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 05/20] reflink: test interaction with swap files To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, Christoph Hellwig , fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:33 -0700 Message-ID: <146612799371.25024.16214922782653970895.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128002 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6087 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Since none of the current filesystems support reflinked swap files, make sure that we prohibit reflinking of swapfiles and swapon of reflinked files. Signed-off-by: Darrick J. Wong Cc: Christoph Hellwig --- tests/generic/923 | 74 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/923.out | 6 ++++ tests/generic/924 | 73 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/924.out | 5 +++ tests/generic/group | 2 + 5 files changed, 160 insertions(+) create mode 100755 tests/generic/923 create mode 100644 tests/generic/923.out create mode 100755 tests/generic/924 create mode 100644 tests/generic/924.out diff --git a/tests/generic/923 b/tests/generic/923 new file mode 100755 index 0000000..73c1621 --- /dev/null +++ b/tests/generic/923 @@ -0,0 +1,74 @@ +#! /bin/bash +# FS QA Test No. 923 +# +# Check that we can't reflink a swapfile. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 7 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* + wait +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_scratch_reflink +_require_cp_reflink + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +blocks=160 +blksz=65536 + +echo "Initialize file" +echo > $seqres.full +_pwrite_byte 0x61 0 $((blocks * blksz)) $testdir/file1 >> $seqres.full +mkswap -U 27376b42-ff65-42ca-919f-6c9b62292a5c $testdir/file1 >> $seqres.full +swapon $testdir/file1 + +echo "Try to reflink" +_cp_reflink $testdir/file1 $testdir/file2 2>&1 | _filter_scratch + +echo "Tear it down" +swapoff $testdir/file1 + +# success, all done +status=0 +exit diff --git a/tests/generic/923.out b/tests/generic/923.out new file mode 100644 index 0000000..97c18cf --- /dev/null +++ b/tests/generic/923.out @@ -0,0 +1,6 @@ +QA output created by 923 +Format and mount +Initialize file +Try to reflink +cp: failed to clone 'SCRATCH_MNT/test-923/file2' from 'SCRATCH_MNT/test-923/file1': Text file busy +Tear it down diff --git a/tests/generic/924 b/tests/generic/924 new file mode 100755 index 0000000..86c2a39 --- /dev/null +++ b/tests/generic/924 @@ -0,0 +1,73 @@ +#! /bin/bash +# FS QA Test No. 924 +# +# Check that we can't swapon a reflinked file. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 7 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* + wait +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_scratch_reflink +_require_cp_reflink + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +blocks=160 +blksz=65536 + +echo "Initialize file" +echo > $seqres.full +_pwrite_byte 0x61 0 $((blocks * blksz)) $testdir/file1 >> $seqres.full +mkswap -U 27376b42-ff65-42ca-919f-6c9b62292a5c $testdir/file1 >> $seqres.full +_cp_reflink $testdir/file1 $testdir/file2 2>&1 | _filter_scratch + +echo "Try to swapon" +swapon $testdir/file1 2>&1 | _filter_scratch + +swapoff $testdir/file1 >> $seqres.full 2>&1 + +# success, all done +status=0 +exit diff --git a/tests/generic/924.out b/tests/generic/924.out new file mode 100644 index 0000000..b67e6fa --- /dev/null +++ b/tests/generic/924.out @@ -0,0 +1,5 @@ +QA output created by 924 +Format and mount +Initialize file +Try to swapon +swapon: SCRATCH_MNT/test-924/file1: swapon failed: Invalid argument diff --git a/tests/generic/group b/tests/generic/group index 36fb759..6fdf109 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -354,3 +354,5 @@ 349 blockdev quick rw 350 blockdev quick rw 351 blockdev quick rw +923 auto quick clone +924 auto quick clone From darrick.wong@oracle.com Thu Jun 16 20:46:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AFDD5850C for ; Thu, 16 Jun 2016 20:46:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 750958F804C for ; Thu, 16 Jun 2016 18:46:46 -0700 (PDT) X-ASG-Debug-ID: 1466128003-04cb6c542658670001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 7BnXWNg8loYVxR4c (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:44 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kgD0026391 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:46:42 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1kgQU013983 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:42 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kfDo032270; Fri, 17 Jun 2016 01:46:41 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:41 -0700 Subject: [PATCH 06/20] xfs: test rmap behavior when multiple bmbt records map to a single rmapbt record From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 06/20] xfs: test rmap behavior when multiple bmbt records map to a single rmapbt record To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:40 -0700 Message-ID: <146612800006.25024.13315461947793130372.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128004 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8614 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Make sure that we can handle multiple bmbt records mapping to a single rmapbt record. This can happen if you fallocate more than 2^21 contiguous blocks to a file. (Also add some helpers that can create huge devices with some dm-zero and dm-snapshot fakery.) v2: remove irrelevant t_immutable changes, put test in correct group v3: calculate the hugedisk size correctly so that there are 2^22 blocks/AG Signed-off-by: Darrick J. Wong --- common/dmhugedisk | 61 +++++++++++++++++++++++++++ tests/xfs/856 | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/856.out | 13 ++++++ tests/xfs/group | 1 4 files changed, 196 insertions(+) create mode 100644 common/dmhugedisk create mode 100755 tests/xfs/856 create mode 100644 tests/xfs/856.out diff --git a/common/dmhugedisk b/common/dmhugedisk new file mode 100644 index 0000000..9c3c7d5 --- /dev/null +++ b/common/dmhugedisk @@ -0,0 +1,61 @@ +##/bin/bash +# Routines for creating huge (fake) disks +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle. All Rights Reserved. +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +# USA +# +# Contact information: Oracle Corporation, 500 Oracle Parkway, +# Redwood Shores, CA 94065, USA, or: http://www.oracle.com/ +#----------------------------------------------------------------------- + +_require_dmhugedisk() +{ + _require_dm_target zero + _require_dm_target snapshot +} + +_dmhugedisk_init() +{ + test -z "$1" && _fatal "must specify sector count to _dmhugedisk_init" + local dm_backing_dev=$SCRATCH_DEV + + $DMSETUP_PROG remove huge-test > /dev/null 2>&1 + $DMSETUP_PROG remove huge-test-zero > /dev/null 2>&1 + + local blk_dev_size=$1 + + DMHUGEDISK_ZERO='/dev/mapper/huge-test-zero' + DMHUGEDISK_DEV='/dev/mapper/huge-test' + + DMHUGEDISK_ZERO_TABLE="0 $blk_dev_size zero" + DMHUGEDISK_DEV_TABLE="0 $blk_dev_size snapshot $DMHUGEDISK_ZERO $SCRATCH_DEV N 512" + + $DMSETUP_PROG create huge-test-zero --table "$DMHUGEDISK_ZERO_TABLE" || \ + _fatal "failed to create dm huge zero device" + $DMSETUP_PROG create huge-test --table "$DMHUGEDISK_DEV_TABLE" || \ + _fatal "failed to create dm huge device" +} + +_dmhugedisk_cleanup() +{ + $UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1 + # wait for device to be fully settled so that 'dmsetup remove' doesn't + # fail due to EBUSY + $UDEV_SETTLE_PROG >/dev/null 2>&1 + $DMSETUP_PROG remove huge-test > /dev/null 2>&1 + $DMSETUP_PROG remove huge-test-zero > /dev/null 2>&1 +} + diff --git a/tests/xfs/856 b/tests/xfs/856 new file mode 100755 index 0000000..1bfb581 --- /dev/null +++ b/tests/xfs/856 @@ -0,0 +1,121 @@ +#! /bin/bash +# FS QA Test No. 856 +# +# Create a file with more than 2^21 extents (the max length of a bmbt record). +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + _dmhugedisk_cleanup + rm -rf $tmp.* + _scratch_mkfs >/dev/null 2>&1 +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/dmhugedisk + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch +_require_xfs_io_command "falloc" + +rm -f $seqres.full + +# Figure out block size +echo "Figure out block size" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +test $is_rmap -gt 0 || _notrun "rmap not supported on scratch fs" + +testdir=$SCRATCH_MNT/test-$seq +blksz="$(stat -f $SCRATCH_MNT -c '%S')" + +umount $SCRATCH_MNT + +echo "Format huge device" +_dmhugedisk_init $((blksz * 4 * 4400)) # more than 2^22 blocks per AG, 2 AGs +_mkfs_dev -d agcount=2 $DMHUGEDISK_DEV +_mount $DMHUGEDISK_DEV $SCRATCH_MNT +xfs_info $SCRATCH_MNT >> $seqres.full + +echo "Create the original file blocks" +mkdir $testdir +blksz="$(stat -f $testdir -c '%S')" +nr_blks=2100000 # 2^21 plus a little more +echo $XFS_IO_PROG -f -c "falloc 0 $((nr_blks * blksz))" $testdir/file1 >> $seqres.full +$XFS_IO_PROG -f -c "falloc 0 $((nr_blks * blksz))" $testdir/file1 >> $seqres.full + +echo "Check extent count" +xfs_bmap -l -p -v $testdir/file1 >> $seqres.full +xfs_bmap -l -p -v $testdir/file1 | grep '^[[:space:]]*1:' -q && xfs_bmap -l -p -v $testdir/file1 +inum=$(stat -c '%i' $testdir/file1) +umount $SCRATCH_MNT + +echo "Check bmap count" +nr_bmaps=$(xfs_db -c "inode $inum" -c "bmap" $DMHUGEDISK_DEV | grep 'data offset' | wc -l) +test $nr_bmaps -gt 1 || xfs_db -c "inode $inum" -c "bmap" $DMHUGEDISK_DEV +#xfs_db -c "agf 0" -c p -c "inode $inum" -c "bmap" $DMHUGEDISK_DEV + +echo "Check rmap count" +nr_rmaps=$(xfs_db -c 'agf 0' -c 'addr rmaproot' -c 'p' $DMHUGEDISK_DEV | grep ",$inum,[0-9]*,1,0,0" | wc -l) +test $nr_rmaps -eq 1 || xfs_db -c 'agf 0' -c 'addr rmaproot' -c 'p' $DMHUGEDISK_DEV | grep ",$inum,[0-9]*,1,0,0" + +echo "Check and fake-repair huge filesystem" | tee -a $seqres.full +$XFS_DB_PROG -c 'check' $DMHUGEDISK_DEV +$XFS_REPAIR_PROG -n $DMHUGEDISK_DEV >> $seqres.full 2>&1 +test $? -eq 0 || echo "xfs_repair -n failed, see $seqres.full" + +echo "Real repair huge filesystem" | tee -a $seqres.full +$XFS_REPAIR_PROG $DMHUGEDISK_DEV >> $seqres.full 2>&1 +test $? -eq 0 || echo "xfs_repair failed, see $seqres.full" + +echo "Check bmap count again" +nr_bmaps=$(xfs_db -c "inode $inum" -c "bmap" $DMHUGEDISK_DEV | grep 'data offset' | wc -l) +test $nr_bmaps -gt 1 || xfs_db -c "inode $inum" -c "bmap" $DMHUGEDISK_DEV + +echo "Check rmap count again" +nr_rmaps=$(xfs_db -c 'agf 0' -c 'addr rmaproot' -c 'p' $DMHUGEDISK_DEV | grep ",$inum,[0-9]*,1,0,0" | wc -l) +test $nr_rmaps -eq 1 || xfs_db -c 'agf 0' -c 'addr rmaproot' -c 'p' $DMHUGEDISK_DEV | grep ",$inum,[0-9]*,1,0,0" + +echo "Check and fake-repair huge filesystem again" | tee -a $seqres.full +$XFS_DB_PROG -c 'check' $DMHUGEDISK_DEV +$XFS_REPAIR_PROG -n $DMHUGEDISK_DEV >> $seqres.full 2>&1 +_dmhugedisk_cleanup + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/856.out b/tests/xfs/856.out new file mode 100644 index 0000000..b24ebf2 --- /dev/null +++ b/tests/xfs/856.out @@ -0,0 +1,13 @@ +QA output created by 856 +Figure out block size +Format huge device +Create the original file blocks +Check extent count +Check bmap count +Check rmap count +Check and fake-repair huge filesystem +Real repair huge filesystem +Check bmap count again +Check rmap count again +Check and fake-repair huge filesystem again +Done diff --git a/tests/xfs/group b/tests/xfs/group index f0ca410..1ad37ff 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -288,3 +288,4 @@ 853 auto quick clone 854 auto quick clone 855 auto clone +856 auto quick clone rmap From darrick.wong@oracle.com Thu Jun 16 20:46:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BDF6284DF for ; Thu, 16 Jun 2016 20:46:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 7CB39304048 for ; Thu, 16 Jun 2016 18:46:59 -0700 (PDT) X-ASG-Debug-ID: 1466128016-04bdf01e1096820001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ibUlTBFGUBEmIQGh (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:56 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kpWu014290 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:46:51 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1koGt014097 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:51 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kmdx014508; Fri, 17 Jun 2016 01:46:49 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:47 -0700 Subject: [PATCH 07/20] reflink: test changing sharers of a block while keeping refcount the same From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 07/20] reflink: test changing sharers of a block while keeping refcount the same To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:46 -0700 Message-ID: <146612800634.25024.14778502538091640792.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128016 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12326 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Ensure that we can handle the case where the refcount stays the same even though the actual sharers changes. Signed-off-by: Darrick J. Wong --- tests/generic/925 | 80 ++++++++++++++++++++++++++++++++++++++++++ tests/generic/925.out | 69 ++++++++++++++++++++++++++++++++++++ tests/generic/926 | 94 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/926.out | 20 ++++++++++ tests/generic/group | 2 + 5 files changed, 265 insertions(+) create mode 100755 tests/generic/925 create mode 100644 tests/generic/925.out create mode 100755 tests/generic/926 create mode 100644 tests/generic/926.out diff --git a/tests/generic/925 b/tests/generic/925 new file mode 100755 index 0000000..9fa4ba9 --- /dev/null +++ b/tests/generic/925 @@ -0,0 +1,80 @@ +#! /bin/bash +# FS QA Test No. 925 +# +# Share an extent amongst a bunch of files such that the refcount +# stays the same while the rate of change of the set of owners is +# steadily increasing. For example, an extent of 32 blocks is owned +# by 32 files. At block 1, change one of the owners. At block 2, +# change 2 of the owners, and so on. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 7 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* + wait +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_scratch_reflink + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +blocks=64 +blksz=65536 + +echo "Initialize file" +_pwrite_byte 0x61 0 $((blocks * blksz)) $testdir/file >> $seqres.full + +echo "Share the file n-ways" +seq 1 $((blocks - 1)) | while read nr; do + _reflink_range $testdir/file 0 $testdir/file$nr.0 0 $((nr * blksz)) >> $seqres.full + seq $nr $((blocks - 1)) | while read nnr; do + _reflink_range $testdir/file $((nnr * blksz)) $testdir/file$nr.$nnr $((nnr * blksz)) $blksz >> $seqres.full + done +done +_scratch_cycle_mount + +echo "Check output" +md5sum $testdir/file $testdir/file*.0 | _filter_scratch + +# success, all done +status=0 +exit diff --git a/tests/generic/925.out b/tests/generic/925.out new file mode 100644 index 0000000..099d6d3 --- /dev/null +++ b/tests/generic/925.out @@ -0,0 +1,69 @@ +QA output created by 925 +Format and mount +Initialize file +Share the file n-ways +Check output +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-925/file +2d61aa54b58c2e94403fb092c3dbc027 SCRATCH_MNT/test-925/file1.0 +399c239a8d72b5b2beb15565cf14f6d6 SCRATCH_MNT/test-925/file10.0 +7f783291615a5db41ba33d6c50318095 SCRATCH_MNT/test-925/file11.0 +4feff1bdae53d042e572a5e240b1183f SCRATCH_MNT/test-925/file12.0 +ac2b0a907cd84c091c1cc36384246e42 SCRATCH_MNT/test-925/file13.0 +ff420a8abc25ff0a012638ddd9b81e6c SCRATCH_MNT/test-925/file14.0 +3eb1751bcb7cff809df2ec376e45fe6f SCRATCH_MNT/test-925/file15.0 +7202826a7791073fe2787f0c94603278 SCRATCH_MNT/test-925/file16.0 +7b0fea2a208aa4738d8b9433c7b8421d SCRATCH_MNT/test-925/file17.0 +c6b6ec99b28741ffb3be2d7ff361ad89 SCRATCH_MNT/test-925/file18.0 +d609dcbdc972b8cff16acd74414a8dc9 SCRATCH_MNT/test-925/file19.0 +81615449a98aaaad8dc179b3bec87f38 SCRATCH_MNT/test-925/file2.0 +d97ae5fdb25c4622d5a2f313460a2b96 SCRATCH_MNT/test-925/file20.0 +afae74f7a13edf57f43bab5da6e411d6 SCRATCH_MNT/test-925/file21.0 +0ed53c341d0154d68c336eaa9d05990d SCRATCH_MNT/test-925/file22.0 +ab20d0025b58cbf9fc49e436b7d7acef SCRATCH_MNT/test-925/file23.0 +5279106ed91359051fbdb61e87d5077d SCRATCH_MNT/test-925/file24.0 +9a8719c84c1a42d030fc6d700046eaf5 SCRATCH_MNT/test-925/file25.0 +d9b21a065727fd8118d493f7c62e7fb2 SCRATCH_MNT/test-925/file26.0 +d74ee01c55b2474f91a3723a01c83591 SCRATCH_MNT/test-925/file27.0 +ba7202bfc4b9cda564156562d8672a3f SCRATCH_MNT/test-925/file28.0 +1b3d697355ca662451eb12419cab8eef SCRATCH_MNT/test-925/file29.0 +998b4ba52f2940dc515001e75926b19f SCRATCH_MNT/test-925/file3.0 +6b2648f84c57f58786cf75ac06e37217 SCRATCH_MNT/test-925/file30.0 +c400b872b0fb3fb58920c4e570937a32 SCRATCH_MNT/test-925/file31.0 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-925/file32.0 +cac15c2eeaf1b63614469f675ec71c5f SCRATCH_MNT/test-925/file33.0 +ebd2d819d56725bd1a2a35ababd06cad SCRATCH_MNT/test-925/file34.0 +a26ebf37da9976dfd7c86b4271c59501 SCRATCH_MNT/test-925/file35.0 +11f61aaa1f5f726929c91c6d434edf72 SCRATCH_MNT/test-925/file36.0 +1f73d21c457843ea20048726d461648e SCRATCH_MNT/test-925/file37.0 +9ed53cefd1548008ed1948286e471233 SCRATCH_MNT/test-925/file38.0 +af5195351947da43e7a57f69086aa7d7 SCRATCH_MNT/test-925/file39.0 +c946b71bb69c07daf25470742c967e7c SCRATCH_MNT/test-925/file4.0 +f31ecd4106278b5fb1aeabdedd43036a SCRATCH_MNT/test-925/file40.0 +e8a8d1a0873e25697171ebb87125d794 SCRATCH_MNT/test-925/file41.0 +5920fd86bc7be6a0ef5d7ea283e16307 SCRATCH_MNT/test-925/file42.0 +8360c3c368143821045f9b7994ab8344 SCRATCH_MNT/test-925/file43.0 +6c76a6c9e2b039c82e62d985479f73ee SCRATCH_MNT/test-925/file44.0 +8b5c6cab2f0da5ba2d3b2d3ca205ca75 SCRATCH_MNT/test-925/file45.0 +b4ef05d705b8e99d8824d85e993bf8fa SCRATCH_MNT/test-925/file46.0 +0db1f2d5ad692ccd8941a8bc308cdba2 SCRATCH_MNT/test-925/file47.0 +6a11a8872b36343799a15617bea78cef SCRATCH_MNT/test-925/file48.0 +015ab57c35525eeb776308e14fe2e731 SCRATCH_MNT/test-925/file49.0 +17af09af790a9b4c79cddf72f6b642cb SCRATCH_MNT/test-925/file5.0 +fbc6203955f9c6e9010f831971a073b2 SCRATCH_MNT/test-925/file50.0 +aae01cd767e508bdf2d01f647d10c4b8 SCRATCH_MNT/test-925/file51.0 +4d942a936328991bcd9821072ac0fd9e SCRATCH_MNT/test-925/file52.0 +b77f243bb207746743aeaafbdef4203a SCRATCH_MNT/test-925/file53.0 +9fc7f158bd2ded9df3965ef4fe2fa932 SCRATCH_MNT/test-925/file54.0 +36dff6091853c946411bc40fdae79e84 SCRATCH_MNT/test-925/file55.0 +82a2f6d28f1bff4ce7edc1a7a31b02cb SCRATCH_MNT/test-925/file56.0 +b0d123bf023332bba783abb5b68e4c98 SCRATCH_MNT/test-925/file57.0 +26b49b145b128c0abef0f92b3ccaf1d6 SCRATCH_MNT/test-925/file58.0 +b5ef5d86d6ef15a535ee95b8069d29c9 SCRATCH_MNT/test-925/file59.0 +cd3eccbf2f0126c4141740007ba70c3f SCRATCH_MNT/test-925/file6.0 +205cb48615014f6f2377345b62442609 SCRATCH_MNT/test-925/file60.0 +89691c001b3a3d5473081687ae519a18 SCRATCH_MNT/test-925/file61.0 +a040ce9774652bd00c3cbf493a006e00 SCRATCH_MNT/test-925/file62.0 +970b42855c15ee8caa824cd5e177759a SCRATCH_MNT/test-925/file63.0 +eb74da58c6e4f93b4bf82a62fef4ab93 SCRATCH_MNT/test-925/file7.0 +30c2557e8302a5beb290c71520d87f42 SCRATCH_MNT/test-925/file8.0 +6dc42f5ed1007a3e20d08af71e198cdc SCRATCH_MNT/test-925/file9.0 diff --git a/tests/generic/926 b/tests/generic/926 new file mode 100755 index 0000000..7dedc3f --- /dev/null +++ b/tests/generic/926 @@ -0,0 +1,94 @@ +#! /bin/bash +# FS QA Test No. 926 +# +# Make sure that the reference counting mechanism can handle the case +# where we share the first 1/4 of an extent with a file, share the +# last 1/4 of the extent with a second file, share the first half of +# the extent with N files, and share the second half of the extent +# with a different set of N files. The key point here is to test that +# we handle the case where a refcount extent record doesn't coincide +# exactly with the block mapping records. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 7 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* + wait +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_scratch_reflink + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +blocks=64 +blksz=65536 +nr=4 +halfway=$((blocks / 2 * blksz)) +quarter=$((blocks / 4 * blksz)) + +echo "Initialize file" +_pwrite_byte 0x61 0 $((blocks * blksz)) $testdir/file >> $seqres.full + +echo "Share the first half of the extent" +seq 1 $nr | while read nr; do + _reflink_range $testdir/file 0 $testdir/file$nr.0 0 $halfway >> $seqres.full +done + +echo "Share the last half of the extent" +seq 1 $nr | while read nr; do + _reflink_range $testdir/file $halfway $testdir/file$nr.1 0 $halfway >> $seqres.full +done + +echo "Share the first quarter of the extent" +_reflink_range $testdir/file 0 $testdir/file.2 0 $quarter >> $seqres.full + +echo "Share the last quarter of the extent" +_reflink_range $testdir/file $((quarter * 3)) $testdir/file.3 0 $quarter >> $seqres.full + +_scratch_cycle_mount + +echo "Check output" +md5sum $testdir/file $testdir/file* | _filter_scratch + +# success, all done +status=0 +exit diff --git a/tests/generic/926.out b/tests/generic/926.out new file mode 100644 index 0000000..d3e6b59 --- /dev/null +++ b/tests/generic/926.out @@ -0,0 +1,20 @@ +QA output created by 926 +Format and mount +Initialize file +Share the first half of the extent +Share the last half of the extent +Share the first quarter of the extent +Share the last quarter of the extent +Check output +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-926/file +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-926/file +7202826a7791073fe2787f0c94603278 SCRATCH_MNT/test-926/file.2 +7202826a7791073fe2787f0c94603278 SCRATCH_MNT/test-926/file.3 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-926/file1.0 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-926/file1.1 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-926/file2.0 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-926/file2.1 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-926/file3.0 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-926/file3.1 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-926/file4.0 +de89461b64701958984c95d1bfb0065a SCRATCH_MNT/test-926/file4.1 diff --git a/tests/generic/group b/tests/generic/group index 6fdf109..2bd40a1 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -356,3 +356,5 @@ 351 blockdev quick rw 923 auto quick clone 924 auto quick clone +925 auto quick clone +926 auto quick clone From darrick.wong@oracle.com Thu Jun 16 20:47:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E3371851B for ; Thu, 16 Jun 2016 20:47:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id A5189304048 for ; Thu, 16 Jun 2016 18:47:00 -0700 (PDT) X-ASG-Debug-ID: 1466128018-04cbb01fee6ab20001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 5vzvBjJbIF6jlHk2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:46:59 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1kvKO026477 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:57 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1kuIQ008154 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:46:56 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1ksDQ014524; Fri, 17 Jun 2016 01:46:55 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:46:54 -0700 Subject: [PATCH 08/20] xfs/122: don't break on old xfsprogs From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 08/20] xfs/122: don't break on old xfsprogs To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:52 -0700 Message-ID: <146612801269.25024.6120665241562735488.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128018 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2136 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines If we're running against a old version of xfsprogs that lacks some of the structures that the golden output knows about, copy the structure size definition from the golden output to the program output. This way we can check for structure size mutations on old xfsprogs without generating false error reports for structs that don't exist in the old release. v2: Remove the xfsprogs 2.9.8 compatibility cruft. Signed-off-by: Darrick J. Wong --- tests/xfs/122 | 17 ++++++----------- tests/xfs/122.out | 1 + 2 files changed, 7 insertions(+), 11 deletions(-) diff --git a/tests/xfs/122 b/tests/xfs/122 index 845cdd2..330d3ac 100755 --- a/tests/xfs/122 +++ b/tests/xfs/122 @@ -73,6 +73,7 @@ _attribute_filter() cprog=$tmp.get_structs.c oprog=$tmp.get_structs progout=$tmp.output +keyfile=$tmp.keys cat >$cprog <> $seqres.full 2>&1 || \ _notrun "Could not compile test program (see end of $seqres.full)" $oprog | _type_size_filter | _type_name_filter > $progout -# -# add addition sizes and xfs_sb_t fields that don't exist in the version -# being tested. -# +# Find all the items that only exist in the golden output +comm -23 <(grep '=' $0.out | sed -e 's/ =.*$//g' | LC_COLLATE=POSIX sort) \ + <(sed -e 's/ =.*$//g' < $progout | LC_COLLATE=POSIX sort) > $keyfile -# xfsprogs 2.9.8: sb_bad_features2 in pv 978822 -if [ $XFSPROGS_VERSION -lt 20908 ]; then - echo 'offsetof(xfs_sb_t, sb_bad_features2 ) = 204' >>$progout -fi -if [ $XFSPROGS_VERSION -lt 30000 ]; then - echo 'sizeof( xfs_dsb_t ) = 208' >>$progout; -fi +# Copy those items to the program output +grep -F -f $keyfile $0.out >> $progout LC_COLLATE=POSIX sort $progout diff --git a/tests/xfs/122.out b/tests/xfs/122.out index 451871e..46d1dd4 100644 --- a/tests/xfs/122.out +++ b/tests/xfs/122.out @@ -147,3 +147,4 @@ sizeof(xfs_lookup_t) = 4 sizeof(xfs_qoff_logformat_t) = 20 sizeof(xfs_timestamp_t) = 8 sizeof(xfs_trans_header_t) = 16 +sizeof(xfs_zzzz_test_the_test_program) = -47 From darrick.wong@oracle.com Thu Jun 16 20:47:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 03F1984A5 for ; Thu, 16 Jun 2016 20:47:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id BAEB1304048 for ; Thu, 16 Jun 2016 18:47:07 -0700 (PDT) X-ASG-Debug-ID: 1466128026-04cb6c542758690001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id F46jqfEv8DLZ75wh (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:06 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1l1IV014428 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:47:02 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1l11b014547 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:01 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1l0m1032299; Fri, 17 Jun 2016 01:47:01 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:00 -0700 Subject: [PATCH 09/20] xfs/122: fix test output to reflect latest xfsprogs From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 09/20] xfs/122: fix test output to reflect latest xfsprogs To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:46:58 -0700 Message-ID: <146612801892.25024.8323572138026562066.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128026 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 892 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Since we're getting rid of the rmapxbt, don't test for it. Add back the log inode structure. Signed-off-by: Darrick J. Wong --- tests/xfs/122.out | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/xfs/122.out b/tests/xfs/122.out index 46d1dd4..ebc4421 100644 --- a/tests/xfs/122.out +++ b/tests/xfs/122.out @@ -75,11 +75,11 @@ sizeof(struct xfs_extent_data) = 24 sizeof(struct xfs_extent_data_info) = 32 sizeof(struct xfs_fs_eofblocks) = 128 sizeof(struct xfs_icreate_log) = 28 +sizeof(struct xfs_log_dinode) = 176 sizeof(struct xfs_refcount_key) = 4 sizeof(struct xfs_refcount_rec) = 12 -sizeof(struct xfs_rmap_key) = 4 +sizeof(struct xfs_rmap_key) = 20 sizeof(struct xfs_rmap_rec) = 24 -sizeof(struct xfs_rmapx_key) = 20 sizeof(xfs_agf_t) = 224 sizeof(xfs_agfl_t) = 36 sizeof(xfs_agi_t) = 336 From darrick.wong@oracle.com Thu Jun 16 20:47:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 211308532 for ; Thu, 16 Jun 2016 20:47:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id D41FA8F804C for ; Thu, 16 Jun 2016 18:47:12 -0700 (PDT) X-ASG-Debug-ID: 1466128030-04bdf01e1096840001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id gqt1huCL5IymRHJ2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:11 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1l9BH026906 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:09 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1l9v9008503 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:09 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1l6Dm014549; Fri, 17 Jun 2016 01:47:08 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:06 -0700 Subject: [PATCH 10/20] xfs/122: list the new log redo items From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 10/20] xfs/122: list the new log redo items To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:05 -0700 Message-ID: <146612802514.25024.7488322050997745494.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128031 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1392 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines List the new log redo items. These should have stable sizes. Signed-off-by: Darrick J. Wong --- tests/xfs/122.out | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tests/xfs/122.out b/tests/xfs/122.out index ebc4421..c4ed725 100644 --- a/tests/xfs/122.out +++ b/tests/xfs/122.out @@ -60,7 +60,11 @@ sizeof(struct xfs_attr3_leaf_hdr) = 80 sizeof(struct xfs_attr3_leafblock) = 88 sizeof(struct xfs_attr3_rmt_hdr) = 56 sizeof(struct xfs_btree_block) = 72 +sizeof(struct xfs_bud_log_format) = 48 +sizeof(struct xfs_bui_log_format) = 48 sizeof(struct xfs_clone_args) = 32 +sizeof(struct xfs_cud_log_format) = 32 +sizeof(struct xfs_cui_log_format) = 32 sizeof(struct xfs_da3_blkinfo) = 56 sizeof(struct xfs_da3_intnode) = 64 sizeof(struct xfs_da3_node_hdr) = 64 @@ -76,10 +80,14 @@ sizeof(struct xfs_extent_data_info) = 32 sizeof(struct xfs_fs_eofblocks) = 128 sizeof(struct xfs_icreate_log) = 28 sizeof(struct xfs_log_dinode) = 176 +sizeof(struct xfs_map_extent) = 32 +sizeof(struct xfs_phys_extent) = 16 sizeof(struct xfs_refcount_key) = 4 sizeof(struct xfs_refcount_rec) = 12 sizeof(struct xfs_rmap_key) = 20 sizeof(struct xfs_rmap_rec) = 24 +sizeof(struct xfs_rud_log_format) = 48 +sizeof(struct xfs_rui_log_format) = 48 sizeof(xfs_agf_t) = 224 sizeof(xfs_agfl_t) = 36 sizeof(xfs_agi_t) = 336 From darrick.wong@oracle.com Thu Jun 16 20:47:26 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DD5F0852D for ; Thu, 16 Jun 2016 20:47:26 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9C37E8F804C for ; Thu, 16 Jun 2016 18:47:26 -0700 (PDT) X-ASG-Debug-ID: 1466128044-04bdf01e1396860001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id etqvKGfOuuKa9Mnr (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:25 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1lK8q014766 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:20 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lKeG016917 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:20 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1lJV6004703; Fri, 17 Jun 2016 01:47:19 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:19 -0700 Subject: [PATCH 12/20] xfs/235: fix logic errors when checking rmap usage after failures From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 12/20] xfs/235: fix logic errors when checking rmap usage after failures To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:17 -0700 Message-ID: <146612803789.25024.1998523832682276472.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128045 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1132 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- tests/xfs/235 | 4 ++-- tests/xfs/235.out | 1 - 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/tests/xfs/235 b/tests/xfs/235 index c388af1..c2e0340 100755 --- a/tests/xfs/235 +++ b/tests/xfs/235 @@ -80,8 +80,8 @@ echo "+ mount image" _scratch_mount echo "+ copy more" -$XFS_IO_PROG -f -c "pwrite -S 0x63 0 $((blksz * 64))" -c "fsync" ${SCRATCH_MNT}/file4 >> $seqres.full -test -s ${SCRATCH_MNT}/file4 || _fail "should not be able to copy with busted rmap btree" +$XFS_IO_PROG -f -c "pwrite -S 0x63 0 $((blksz * 64))" -c "fsync" ${SCRATCH_MNT}/file4 >> $seqres.full 2>&1 +test -s ${SCRATCH_MNT}/file4 && _fail "should not be able to copy with busted rmap btree" umount ${SCRATCH_MNT} echo "+ repair fs" diff --git a/tests/xfs/235.out b/tests/xfs/235.out index 89a11d6..7640224 100644 --- a/tests/xfs/235.out +++ b/tests/xfs/235.out @@ -6,7 +6,6 @@ QA output created by 235 + corrupt image + mount image + copy more -fsync: Structure needs cleaning + repair fs + mount image (2) + chattr -R -i From darrick.wong@oracle.com Thu Jun 16 20:47:30 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CE1FC853F for ; Thu, 16 Jun 2016 20:47:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 914B0304048 for ; Thu, 16 Jun 2016 18:47:30 -0700 (PDT) X-ASG-Debug-ID: 1466128041-04cb6c5424586c0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id z4PMeJFmP1xG08M1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:22 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1lGbL014743 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:16 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lFDt016847 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:16 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lDmG014556; Fri, 17 Jun 2016 01:47:14 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:12 -0700 Subject: [PATCH 11/20] xfs: inject errors at various parts of the deferred op completion From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 11/20] xfs: inject errors at various parts of the deferred op completion To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:11 -0700 Message-ID: <146612803133.25024.1931929844195025512.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128042 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 63770 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- common/inject | 93 +++++++++++++++++++++++++++++++++++++++++++++ common/log | 28 ++++++++++++++ common/rc | 8 ++++ tests/xfs/857 | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/857.out | 18 +++++++++ tests/xfs/858 | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/858.out | 18 +++++++++ tests/xfs/859 | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/859.out | 18 +++++++++ tests/xfs/860 | 99 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/860.out | 16 ++++++++ tests/xfs/861 | 100 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/861.out | 16 ++++++++ tests/xfs/862 | 95 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/862.out | 16 ++++++++ tests/xfs/863 | 93 +++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/863.out | 15 +++++++ tests/xfs/864 | 98 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/864.out | 19 +++++++++ tests/xfs/865 | 96 +++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/865.out | 18 +++++++++ tests/xfs/866 | 95 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/866.out | 17 ++++++++ tests/xfs/867 | 98 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/867.out | 17 ++++++++ tests/xfs/868 | 95 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/868.out | 17 ++++++++ tests/xfs/869 | 101 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/869.out | 17 ++++++++ tests/xfs/870 | 95 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/870.out | 15 +++++++ tests/xfs/871 | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/871.out | 18 +++++++++ tests/xfs/group | 15 +++++++ 34 files changed, 1883 insertions(+) create mode 100644 common/inject create mode 100755 tests/xfs/857 create mode 100644 tests/xfs/857.out create mode 100755 tests/xfs/858 create mode 100644 tests/xfs/858.out create mode 100755 tests/xfs/859 create mode 100644 tests/xfs/859.out create mode 100755 tests/xfs/860 create mode 100644 tests/xfs/860.out create mode 100755 tests/xfs/861 create mode 100644 tests/xfs/861.out create mode 100755 tests/xfs/862 create mode 100644 tests/xfs/862.out create mode 100755 tests/xfs/863 create mode 100644 tests/xfs/863.out create mode 100755 tests/xfs/864 create mode 100644 tests/xfs/864.out create mode 100755 tests/xfs/865 create mode 100644 tests/xfs/865.out create mode 100755 tests/xfs/866 create mode 100644 tests/xfs/866.out create mode 100755 tests/xfs/867 create mode 100644 tests/xfs/867.out create mode 100755 tests/xfs/868 create mode 100644 tests/xfs/868.out create mode 100755 tests/xfs/869 create mode 100644 tests/xfs/869.out create mode 100755 tests/xfs/870 create mode 100644 tests/xfs/870.out create mode 100755 tests/xfs/871 create mode 100644 tests/xfs/871.out diff --git a/common/inject b/common/inject new file mode 100644 index 0000000..e666d6d --- /dev/null +++ b/common/inject @@ -0,0 +1,93 @@ +##/bin/bash +# Routines for injecting errors into filesystems +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle. All Rights Reserved. +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +# USA +# +# Contact information: Oracle Corporation, 500 Oracle Parkway, +# Redwood Shores, CA 94065, USA, or: http://www.oracle.com/ +#----------------------------------------------------------------------- +. ./common/log + +# Tests whether $FSTYP is one of the filesystems that supports error injection +_require_error_injection() +{ + case "$FSTYP" in + "xfs") + grep -q 'debug 1' /proc/fs/xfs/stat || \ + _notrun "XFS error injection requires CONFIG_XFS_DEBUG" + ;; + *) + _notrun "Error injection not supported on filesystem type: $FSTYP" + esac +} + +# Requires that xfs_io inject command knows about this error type +_require_xfs_io_error_injection() +{ + type="$1" + _require_error_injection + + # NOTE: We can't actually test error injection here because xfs + # hasn't always range checked the argument to xfs_errortag_add. + # We also don't want to trip an error before we're ready to deal + # with it. + + $XFS_IO_PROG -x -c 'inject' $TEST_DIR | grep -q "$type" || \ + _notrun "XFS error injection $type unknown." +} + +# Inject an error into the test fs +_test_inject_error() +{ + type="$1" + + $XFS_IO_PROG -x -c "inject $type" $TEST_DIR +} + +# Inject an error into the scratch fs +_scratch_inject_error() +{ + type="$1" + + $XFS_IO_PROG -x -c "inject $type" $SCRATCH_MNT +} + +# Unmount and remount the scratch device, dumping the log +_scratch_inject_logprint() +{ + local opts="$1" + + if test -n "$opts"; then + opts="-o $opts" + fi + _scratch_unmount + _scratch_dump_log + _scratch_mount "$opts" +} + +# Unmount and remount the test device, dumping the log +_test_inject_logprint() +{ + local opts="$1" + + if test -n "$opts"; then + opts="-o $opts" + fi + _test_unmount + _test_dump_log + _test_mount "$opts" +} diff --git a/common/log b/common/log index cb687d2..44b9625 100644 --- a/common/log +++ b/common/log @@ -228,6 +228,34 @@ _scratch_f2fs_logstate() echo $? } +_scratch_dump_log() +{ + case "$FSTYP" in + xfs) + _scratch_xfs_logprint + ;; + f2fs) + $DUMP_F2FS_PROG $SCRATCH_DEV + ;; + *) + ;; + esac +} + +_test_dump_log() +{ + case "$FSTYP" in + xfs) + _test_xfs_logprint + ;; + f2fs) + $DUMP_F2FS_PROG $TEST_DEV + ;; + *) + ;; + esac +} + _print_logstate() { case "$FSTYP" in diff --git a/common/rc b/common/rc index 1648a8a..1225047 100644 --- a/common/rc +++ b/common/rc @@ -982,6 +982,14 @@ _scratch_xfs_logprint() $XFS_LOGPRINT_PROG $SCRATCH_OPTIONS $* $SCRATCH_DEV } +_test_xfs_logprint() +{ + TEST_OPTIONS="" + [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_LOGDEV" ] && \ + TEST_OPTIONS="-l$TEST_LOGDEV" + $XFS_LOGPRINT_PROG $TEST_OPTIONS $* $TEST_DEV +} + _scratch_xfs_check() { SCRATCH_OPTIONS="" diff --git a/tests/xfs/857 b/tests/xfs/857 new file mode 100755 index 0000000..7798362 --- /dev/null +++ b/tests/xfs/857 @@ -0,0 +1,102 @@ +#! /bin/bash +# FS QA Test No. 857 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during block remap to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_xfs_io_error_injection "bmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "bmap_finish_one" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/857.out b/tests/xfs/857.out new file mode 100644 index 0000000..ecc8e04 --- /dev/null +++ b/tests/xfs/857.out @@ -0,0 +1,18 @@ +QA output created by 857 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +1e108771fba35e2f2961d1ad23efbff7 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/858 b/tests/xfs/858 new file mode 100755 index 0000000..fe3ac07 --- /dev/null +++ b/tests/xfs/858 @@ -0,0 +1,102 @@ +#! /bin/bash +# FS QA Test No. 858 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during refcount updates to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_xfs_io_error_injection "refcount_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "refcount_finish_one" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/858.out b/tests/xfs/858.out new file mode 100644 index 0000000..f5302de --- /dev/null +++ b/tests/xfs/858.out @@ -0,0 +1,18 @@ +QA output created by 858 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/859 b/tests/xfs/859 new file mode 100755 index 0000000..c36cc5b --- /dev/null +++ b/tests/xfs/859 @@ -0,0 +1,106 @@ +#! /bin/bash +# FS QA Test No. 859 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during rmap updates to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "rmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +test $is_rmap -gt 0 || _notrun "rmap not supported on scratch fs" + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "rmap_finish_one" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/859.out b/tests/xfs/859.out new file mode 100644 index 0000000..b83e963 --- /dev/null +++ b/tests/xfs/859.out @@ -0,0 +1,18 @@ +QA output created by 859 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/860 b/tests/xfs/860 new file mode 100755 index 0000000..15716c1 --- /dev/null +++ b/tests/xfs/860 @@ -0,0 +1,99 @@ +#! /bin/bash +# FS QA Test No. 860 +# +# Reflink a file with a few dozen extents and CoW a few blocks. +# Inject an error during extent freeing to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "free_extent" + +rm -f $seqres.full + +blksz=65536 +blks=4 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +$XFS_IO_PROG -c "cowextsize $sz" $SCRATCH_MNT + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_pwrite_byte 0x66 $((sz / 2)) $((sz / 2)) $SCRATCH_MNT/file2 >> $seqres.full +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file2 0 $((sz / 2)) >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "free_extent" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $sz" $SCRATCH_MNT/file1 >> $seqres.full +sync + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/860.out b/tests/xfs/860.out new file mode 100644 index 0000000..0a6d763 --- /dev/null +++ b/tests/xfs/860.out @@ -0,0 +1,16 @@ +QA output created by 860 +Format filesystem +Create files +Check files +cf41e243bf211225660f3fabe6db9eb6 SCRATCH_MNT/file1 +cf41e243bf211225660f3fabe6db9eb6 SCRATCH_MNT/file2 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +fe9070b9c9deb97ed53811efda5c4ad5 SCRATCH_MNT/file1 +cf41e243bf211225660f3fabe6db9eb6 SCRATCH_MNT/file2 +Done diff --git a/tests/xfs/861 b/tests/xfs/861 new file mode 100755 index 0000000..6f716a4 --- /dev/null +++ b/tests/xfs/861 @@ -0,0 +1,100 @@ +#! /bin/bash +# FS QA Test No. 861 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Force XFS into "two refcount updates per transaction" mode. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "refcount_continue_update" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "refcount_continue_update" + +echo "CoW all the blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $((blks * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/861.out b/tests/xfs/861.out new file mode 100644 index 0000000..d353526 --- /dev/null +++ b/tests/xfs/861.out @@ -0,0 +1,16 @@ +QA output created by 861 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW all the blocks +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/862 b/tests/xfs/862 new file mode 100755 index 0000000..167386c --- /dev/null +++ b/tests/xfs/862 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 862 +# +# Simulate rmap update errors with a file write and a file remove. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "rmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +test $is_rmap -gt 0 || _notrun "rmap not supported on scratch fs" + +echo "Create files" +touch $SCRATCH_MNT/file1 +_pwrite_byte 0x67 0 $sz $SCRATCH_MNT/file0 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file0 | _filter_scratch +md5sum $SCRATCH_MNT/file1 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "rmap_finish_one" + +echo "Write files" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $sz" $SCRATCH_MNT/file1 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file0 | _filter_scratch +md5sum $SCRATCH_MNT/file1 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/862.out b/tests/xfs/862.out new file mode 100644 index 0000000..1f6b47b --- /dev/null +++ b/tests/xfs/862.out @@ -0,0 +1,16 @@ +QA output created by 862 +Format filesystem +Create files +Check files +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file0 +d41d8cd98f00b204e9800998ecf8427e SCRATCH_MNT/file1 +Inject error +Write files +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file0 +d41d8cd98f00b204e9800998ecf8427e SCRATCH_MNT/file1 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/863 b/tests/xfs/863 new file mode 100755 index 0000000..5069245 --- /dev/null +++ b/tests/xfs/863 @@ -0,0 +1,93 @@ +#! /bin/bash +# FS QA Test No. 863 +# +# Simulate free extent errors with a file write and a file remove. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "rmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +touch $SCRATCH_MNT/file1 + +echo "Write files" +$XFS_IO_PROG -c "pwrite -S 0x67 0 $sz" $SCRATCH_MNT/file1 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 2>&1 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "free_extent" + +echo "Remove files" +rm -rf $SCRATCH_MNT/file1 +sync + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 2>&1 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/863.out b/tests/xfs/863.out new file mode 100644 index 0000000..718691f --- /dev/null +++ b/tests/xfs/863.out @@ -0,0 +1,15 @@ +QA output created by 863 +Format filesystem +Create files +Write files +Check files +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file1 +Inject error +Remove files +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +md5sum: SCRATCH_MNT/file1: No such file or directory +FS should be online, touch should succeed +Done diff --git a/tests/xfs/864 b/tests/xfs/864 new file mode 100755 index 0000000..6483639 --- /dev/null +++ b/tests/xfs/864 @@ -0,0 +1,98 @@ +#! /bin/bash +# FS QA Test No. 864 +# +# Reflink a file. +# Inject an error during block remap to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_scratch_reflink +_require_xfs_io_error_injection "bmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_pwrite_byte 0x67 0 $sz $SCRATCH_MNT/file3 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "bmap_finish_one" + +echo "Try to reflink" +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file3 0 $sz >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/864.out b/tests/xfs/864.out new file mode 100644 index 0000000..cd16235 --- /dev/null +++ b/tests/xfs/864.out @@ -0,0 +1,19 @@ +QA output created by 864 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file3 +Inject error +Try to reflink +XFS_IOC_CLONE_RANGE: Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/865 b/tests/xfs/865 new file mode 100755 index 0000000..9e2bf05 --- /dev/null +++ b/tests/xfs/865 @@ -0,0 +1,96 @@ +#! /bin/bash +# FS QA Test No. 865 +# +# Reflink a file. +# Inject an error during block remap to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_cp_reflink +_require_xfs_io_error_injection "bmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks - 17)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "bmap_finish_one" + +echo "Try to reflink" +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 2>&1 | _filter_scratch + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/865.out b/tests/xfs/865.out new file mode 100644 index 0000000..9a2b04d --- /dev/null +++ b/tests/xfs/865.out @@ -0,0 +1,18 @@ +QA output created by 865 +Format filesystem +Create files +Check files +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file1 +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file2 +Inject error +Try to reflink +cp: failed to clone 'SCRATCH_MNT/file3' from 'SCRATCH_MNT/file1': Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file1 +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file2 +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/866 b/tests/xfs/866 new file mode 100755 index 0000000..9405325 --- /dev/null +++ b/tests/xfs/866 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 866 +# +# Reflink a file. +# Inject an error during refcount update to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_scratch_reflink +_require_xfs_io_error_injection "refcount_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +$XFS_IO_PROG -f -c "truncate $sz" $SCRATCH_MNT/file3 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "refcount_finish_one" + +echo "Try to reflink" +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file3 0 $sz >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/866.out b/tests/xfs/866.out new file mode 100644 index 0000000..f2ca58c --- /dev/null +++ b/tests/xfs/866.out @@ -0,0 +1,17 @@ +QA output created by 866 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +b5cfa9d6c8febd618f91ac2843d50a1c SCRATCH_MNT/file3 +Inject error +Try to reflink +XFS_IOC_CLONE_RANGE: Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/867 b/tests/xfs/867 new file mode 100755 index 0000000..5037a88 --- /dev/null +++ b/tests/xfs/867 @@ -0,0 +1,98 @@ +#! /bin/bash +# FS QA Test No. 867 +# +# Reflink a file. +# Inject an error during rmap update to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_scratch_reflink +_require_xfs_io_error_injection "rmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +test $is_rmap -gt 0 || _notrun "rmap not supported on scratch fs" + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +$XFS_IO_PROG -f -c "truncate $sz" $SCRATCH_MNT/file3 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "rmap_finish_one" + +echo "Try to reflink" +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file3 0 $sz >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/867.out b/tests/xfs/867.out new file mode 100644 index 0000000..78a4e5a --- /dev/null +++ b/tests/xfs/867.out @@ -0,0 +1,17 @@ +QA output created by 867 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +b5cfa9d6c8febd618f91ac2843d50a1c SCRATCH_MNT/file3 +Inject error +Try to reflink +XFS_IOC_CLONE_RANGE: Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/868 b/tests/xfs/868 new file mode 100755 index 0000000..71cf7ee --- /dev/null +++ b/tests/xfs/868 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 868 +# +# Reflink a file. +# Inject an error during extent free to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_scratch_reflink +_require_xfs_io_error_injection "free_extent" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_pwrite_byte 0x67 0 $sz $SCRATCH_MNT/file3 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "free_extent" + +echo "Try to reflink" +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file3 0 $sz >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/868.out b/tests/xfs/868.out new file mode 100644 index 0000000..583b1f9 --- /dev/null +++ b/tests/xfs/868.out @@ -0,0 +1,17 @@ +QA output created by 868 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file3 +Inject error +Try to reflink +XFS_IOC_CLONE_RANGE: Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/869 b/tests/xfs/869 new file mode 100755 index 0000000..97c803b --- /dev/null +++ b/tests/xfs/869 @@ -0,0 +1,101 @@ +#! /bin/bash +# FS QA Test No. 869 +# +# Reflink a file with a few dozen extents. +# Force XFS into "two refcount updates per transaction" mode. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "refcount_continue_update" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "refcount_continue_update" + +echo "Reflink all the blocks" +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file4 + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch +md5sum $SCRATCH_MNT/file4 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/869.out b/tests/xfs/869.out new file mode 100644 index 0000000..1e7822e --- /dev/null +++ b/tests/xfs/869.out @@ -0,0 +1,17 @@ +QA output created by 869 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +Reflink all the blocks +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file4 +Done diff --git a/tests/xfs/870 b/tests/xfs/870 new file mode 100755 index 0000000..fc13f53 --- /dev/null +++ b/tests/xfs/870 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 870 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during extent freeing to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "free_extent" + +rm -f $seqres.full + +blksz=65536 +blks=30 +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $((blksz * blks)) $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "free_extent" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full +rm $SCRATCH_MNT/file1 +sync + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/870.out b/tests/xfs/870.out new file mode 100644 index 0000000..49c4e4b --- /dev/null +++ b/tests/xfs/870.out @@ -0,0 +1,15 @@ +QA output created by 870 +Format filesystem +Create files +Check files +d5a0ed0305c8df4180cb2bf975ecffe8 SCRATCH_MNT/file1 +d5a0ed0305c8df4180cb2bf975ecffe8 SCRATCH_MNT/file2 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +7629bd70d19d7291b448221ac44b26d9 SCRATCH_MNT/file2 +Done diff --git a/tests/xfs/871 b/tests/xfs/871 new file mode 100755 index 0000000..69bb637 --- /dev/null +++ b/tests/xfs/871 @@ -0,0 +1,109 @@ +#! /bin/bash +# FS QA Test No. 871 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during refcount updates to test log recovery. Use +# cowextsize so that the refcount failure is somewhere in the CoW remap +# instead of when we're stashing the CoW orphan record. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch +_require_xfs_io_error_injection "refcount_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +$XFS_IO_PROG -c "cowextsize $sz" $SCRATCH_MNT + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +$XFS_IO_PROG -c "pwrite -W -S 0x67 $((10 * blksz)) 1" $SCRATCH_MNT/file2 >> $seqres.full +sync + +echo "Inject error" +_scratch_inject_error "refcount_finish_one" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/871.out b/tests/xfs/871.out new file mode 100644 index 0000000..c0aba73 --- /dev/null +++ b/tests/xfs/871.out @@ -0,0 +1,18 @@ +QA output created by 871 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +1e108771fba35e2f2961d1ad23efbff7 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/group b/tests/xfs/group index 1ad37ff..0f94794 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -289,3 +289,18 @@ 854 auto quick clone 855 auto clone 856 auto quick clone rmap +857 auto quick clone +858 auto quick clone +859 auto quick clone +860 auto quick clone +861 auto quick clone +862 auto quick rmap +863 auto quick rw +864 auto quick clone +865 auto quick clone +866 auto quick clone +867 auto quick clone +868 auto quick clone +869 auto quick clone +870 auto quick clone +871 auto quick clone From darrick.wong@oracle.com Thu Jun 16 20:47:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B7265853F for ; Thu, 16 Jun 2016 20:47:33 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3F56BAC002 for ; Thu, 16 Jun 2016 18:47:33 -0700 (PDT) X-ASG-Debug-ID: 1466128051-04cb6c5424586d0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id jR75nuuKJ6MZ1lJ0 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:31 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1lQEm014819 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:47:26 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1lQNB014932 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:47:26 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1lP2G004723; Fri, 17 Jun 2016 01:47:25 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:25 -0700 Subject: [PATCH 13/20] xfs/229: require 3GB of space From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 13/20] xfs/229: require 3GB of space To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:24 -0700 Message-ID: <146612804411.25024.3885802903047011536.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128051 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 503 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines This test requires 3GB of space, so check for that. Signed-off-by: Darrick J. Wong --- tests/xfs/229 | 1 + 1 file changed, 1 insertion(+) diff --git a/tests/xfs/229 b/tests/xfs/229 index c057677..b8fd914 100755 --- a/tests/xfs/229 +++ b/tests/xfs/229 @@ -50,6 +50,7 @@ trap "_cleanup ; exit \$status" 0 1 2 3 15 _supported_fs xfs _supported_os Linux _require_test +_require_fs_space $TEST_DIR 3200000 TDIR="${TEST_DIR}/t_holes" NFILES="10" From darrick.wong@oracle.com Thu Jun 16 20:47:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BC67B853F for ; Thu, 16 Jun 2016 20:47:40 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 34240AC002 for ; Thu, 16 Jun 2016 18:47:40 -0700 (PDT) X-ASG-Debug-ID: 1466128057-04cbb01fec6abd0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id KRQkCxIiEVY87w7I (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:38 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1lXXT014882 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:33 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lWRF017208 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:32 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lW3R032535; Fri, 17 Jun 2016 01:47:32 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:31 -0700 Subject: [PATCH 14/20] xfs: test clearing reflink inode flag From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 14/20] xfs: test clearing reflink inode flag To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:30 -0700 Message-ID: <146612805032.25024.3244105391915486280.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128058 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4277 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Check that xfs_repair can clear the reflink inode flag. Signed-off-by: Darrick J. Wong --- tests/xfs/872 | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/872.out | 20 +++++++++++ tests/xfs/group | 1 + 3 files changed, 114 insertions(+) create mode 100755 tests/xfs/872 create mode 100644 tests/xfs/872.out diff --git a/tests/xfs/872 b/tests/xfs/872 new file mode 100755 index 0000000..1a13f50 --- /dev/null +++ b/tests/xfs/872 @@ -0,0 +1,93 @@ +#! /bin/bash +# FS QA Test No. 872 +# +# Create 100 reflinked files, CoW them all, and see if xfs_repair will +# clear the reflink flag. There was a buffer handling bug in xfs_repair +# that (fortunately) triggered asserts in the rmap code when clearing +# the reflink flag. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch + +rm -f $seqres.full + +nr=128 # spanning at least one inode chunk tickles a bug in xfs_repair +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 1 $SCRATCH_MNT/file.0 >> $seqres.full +seq 1 $nr | while read i; do + _cp_reflink $SCRATCH_MNT/file.0 $SCRATCH_MNT/file.$i +done +sync + +echo "Check files" +for i in 0 $((nr / 2)) $nr; do + md5sum $SCRATCH_MNT/file.$i | _filter_scratch + $XFS_IO_PROG -c 'lsattr -v' $SCRATCH_MNT/file.$i | _filter_scratch +done + +echo "CoW all files" +seq 1 $nr | while read i; do + echo m >> $SCRATCH_MNT/file.$i +done + +echo "Repair filesystem" +_scratch_unmount +_repair_scratch_fs >> $seqres.full +_scratch_mount + +echo "Check files again" +for i in 0 $((nr / 2)) $nr; do + md5sum $SCRATCH_MNT/file.$i | _filter_scratch + $XFS_IO_PROG -c 'lsattr -v' $SCRATCH_MNT/file.$i | _filter_scratch +done + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/872.out b/tests/xfs/872.out new file mode 100644 index 0000000..316cb0a --- /dev/null +++ b/tests/xfs/872.out @@ -0,0 +1,20 @@ +QA output created by 872 +Format filesystem +Create files +Check files +8fa14cdd754f91cc6554c9e71929cce7 SCRATCH_MNT/file.0 +[reflink] SCRATCH_MNT/file.0 +8fa14cdd754f91cc6554c9e71929cce7 SCRATCH_MNT/file.64 +[reflink] SCRATCH_MNT/file.64 +8fa14cdd754f91cc6554c9e71929cce7 SCRATCH_MNT/file.128 +[reflink] SCRATCH_MNT/file.128 +CoW all files +Repair filesystem +Check files again +8fa14cdd754f91cc6554c9e71929cce7 SCRATCH_MNT/file.0 +[] SCRATCH_MNT/file.0 +0f17fd72b7bbf5bda0ff433e6d1fc118 SCRATCH_MNT/file.64 +[] SCRATCH_MNT/file.64 +0f17fd72b7bbf5bda0ff433e6d1fc118 SCRATCH_MNT/file.128 +[] SCRATCH_MNT/file.128 +Done diff --git a/tests/xfs/group b/tests/xfs/group index 0f94794..ca36ad6 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -304,3 +304,4 @@ 869 auto quick clone 870 auto quick clone 871 auto quick clone +872 auto quick clone From darrick.wong@oracle.com Thu Jun 16 20:47:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7FB328529 for ; Thu, 16 Jun 2016 20:47:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 34147304053 for ; Thu, 16 Jun 2016 18:47:51 -0700 (PDT) X-ASG-Debug-ID: 1466128067-04bdf01e1596890001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id aBxBVLDDAYYVgDOp (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:48 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1lfDk014958 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:41 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lfPo009078 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:41 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lc8k014677; Fri, 17 Jun 2016 01:47:40 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:38 -0700 Subject: [PATCH 15/20] xfstests: fix unreferenced variables in generic/186 and generic/187 From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 15/20] xfstests: fix unreferenced variables in generic/186 and generic/187 To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, Christoph Hellwig , fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:36 -0700 Message-ID: <146612805661.25024.577635269102170354.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128068 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1170 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines From: Christoph Hellwig There is not i variable in scope, and the comments suggest the operation is to be done on ${file}. Signed-off-by: Christoph Hellwig --- tests/generic/186 | 2 +- tests/generic/187 | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/generic/186 b/tests/generic/186 index 70a0280..5de120a 100755 --- a/tests/generic/186 +++ b/tests/generic/186 @@ -87,7 +87,7 @@ _fragment_freesp() # Try again anyway avail=`_get_available_space $SCRATCH_MNT` - $XFS_IO_PROG -fc "pwrite -S 0x65 0 $avail" ${file}.${i} + $XFS_IO_PROG -fc "pwrite -S 0x65 0 $avail" ${file} # Punch out whatever we need seq 1 $((nr * 4)) | while read f; do diff --git a/tests/generic/187 b/tests/generic/187 index 25cbcd9..3f534c8 100755 --- a/tests/generic/187 +++ b/tests/generic/187 @@ -88,7 +88,7 @@ _fragment_freesp() # Try again anyway avail=`_get_available_space $SCRATCH_MNT` - $XFS_IO_PROG -fc "pwrite -S 0x65 0 $avail" ${file}.${i} + $XFS_IO_PROG -fc "pwrite -S 0x65 0 $avail" ${file} # Punch out whatever we need seq 1 $((nr * 4)) | while read f; do From darrick.wong@oracle.com Thu Jun 16 20:47:54 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9EF58855B for ; Thu, 16 Jun 2016 20:47:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 709B630404E for ; Thu, 16 Jun 2016 18:47:54 -0700 (PDT) X-ASG-Debug-ID: 1466128072-04cb6c542658720001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id nUqfVHDfCQlLWhye (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1lphf027167 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:51 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lphT017550 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:51 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1lomb004839; Fri, 17 Jun 2016 01:47:50 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:50 -0700 Subject: [PATCH 17/20] generic/204: increase log size for rmap/reflink From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 17/20] generic/204: increase log size for rmap/reflink To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:49 -0700 Message-ID: <146612806917.25024.2970222019985115835.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128072 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1017 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines We're going to need a bigger log for rmap & reflink on XFS, so increase the size of the log and the fs appropriately. Signed-off-by: Darrick J. Wong --- tests/generic/204 | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/generic/204 b/tests/generic/204 index 42985ab..7b0dc2a 100755 --- a/tests/generic/204 +++ b/tests/generic/204 @@ -55,9 +55,9 @@ _scratch_mkfs 2> /dev/null | _filter_mkfs 2> $tmp.mkfs > /dev/null # versions of mkfs create. All should be valid with a 7MB log, so use that. # And v4/512 v5/1k xfs don't have enough free inodes, set imaxpct=50 at mkfs # time solves this problem. -[ $FSTYP = "xfs" ] && MKFS_OPTIONS="$MKFS_OPTIONS -l size=7m -i maxpct=50" +[ $FSTYP = "xfs" ] && MKFS_OPTIONS="$MKFS_OPTIONS -l size=16m -i maxpct=50" -SIZE=`expr 106 \* 1024 \* 1024` +SIZE=`expr 115 \* 1024 \* 1024` _scratch_mkfs_sized $SIZE $dbsize 2> /dev/null \ | _filter_mkfs 2> $tmp.mkfs > /dev/null _scratch_mount From darrick.wong@oracle.com Thu Jun 16 20:47:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6FE23855C for ; Thu, 16 Jun 2016 20:47:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id DE79FAC003 for ; Thu, 16 Jun 2016 18:47:54 -0700 (PDT) X-ASG-Debug-ID: 1466128072-04cb6c542758720001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id ZKRXmB9MxsleB8HG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1llnd015024 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:47:48 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1llqO015255 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:47 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1liuE014733; Fri, 17 Jun 2016 01:47:45 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:44 -0700 Subject: [PATCH 16/20] reflink: test cross-mountpoint reflink and dedupe From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 16/20] reflink: test cross-mountpoint reflink and dedupe To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:42 -0700 Message-ID: <146612806287.25024.6626531953151914169.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128072 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7689 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Test sharing blocks via reflink and dedupe between two different mountpoints of the same filesystem. This shouldn't work, since we don't allow cross-mountpoint functions. Signed-off-by: Darrick J. Wong --- common/reflink | 2 + tests/generic/927 | 88 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/927.out | 9 +++++ tests/generic/928 | 86 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/928.out | 10 ++++++ tests/generic/group | 2 + 6 files changed, 196 insertions(+), 1 deletion(-) create mode 100755 tests/generic/927 create mode 100644 tests/generic/927.out create mode 100755 tests/generic/928 create mode 100644 tests/generic/928.out diff --git a/common/reflink b/common/reflink index 4ec390d..1363971 100644 --- a/common/reflink +++ b/common/reflink @@ -107,7 +107,7 @@ _require_scratch_dedupe() _scratch_mount "$XFS_IO_PROG" -f -c "pwrite -S 0x61 0 65536" "$SCRATCH_MNT/file1" > /dev/null "$XFS_IO_PROG" -f -c "pwrite -S 0x61 0 65536" "$SCRATCH_MNT/file2" > /dev/null - testio="$("$XFS_IO_PROG" -f -c "dedupe $TEST_DIR/file1 0 0 65536" "$TEST_DIR/file2" 2>&1)" + testio="$("$XFS_IO_PROG" -f -c "dedupe $SCRATCH_MNT/file1 0 0 65536" "$SCRATCH_MNT/file2" 2>&1)" echo $testio | grep -q "Operation not supported" && \ _notrun "Dedupe not supported by test filesystem type: $FSTYP" echo $testio | grep -q "Inappropriate ioctl for device" && \ diff --git a/tests/generic/927 b/tests/generic/927 new file mode 100755 index 0000000..e1c30bd --- /dev/null +++ b/tests/generic/927 @@ -0,0 +1,88 @@ +#! /bin/bash +# FS QA Test No. 927 +# +# Check that cross-mountpoint reflink doesn't work. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 7 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* + wait +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_scratch_reflink +_require_cp_reflink + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir +otherdir=/tmp/m.$seq +othertestdir=$otherdir/test-$seq +rm -rf $otherdir +mkdir $otherdir + +blocks=1 +blksz=65536 +sz=$((blksz * blocks)) + +echo "Mount otherdir" +SCRATCH_MNT=$otherdir _scratch_mount + +echo "Create file" +_pwrite_byte 0x61 0 $sz $testdir/file >> $seqres.full + +filter_md5() { + _filter_scratch | sed -e "s,$otherdir,OTHER_DIR,g" +} + +echo "Reflink one file to another" +_cp_reflink $testdir/file $othertestdir/otherfiles 2>&1 | filter_md5 + +echo "Check output" +md5sum $testdir/file | _filter_scratch +test -e $othertestdir/otherfile && echo "otherfile should not exist" + +echo "Unmount otherdir" +umount $otherdir +rm -rf $otherdir + +# success, all done +status=0 +exit diff --git a/tests/generic/927.out b/tests/generic/927.out new file mode 100644 index 0000000..3ef3057 --- /dev/null +++ b/tests/generic/927.out @@ -0,0 +1,9 @@ +QA output created by 927 +Format and mount +Mount otherdir +Create file +Reflink one file to another +cp: failed to clone 'OTHER_DIR/test-927/otherfiles' from 'SCRATCH_MNT/test-927/file': Invalid cross-device link +Check output +2d61aa54b58c2e94403fb092c3dbc027 SCRATCH_MNT/test-927/file +Unmount otherdir diff --git a/tests/generic/928 b/tests/generic/928 new file mode 100755 index 0000000..050f34b --- /dev/null +++ b/tests/generic/928 @@ -0,0 +1,86 @@ +#! /bin/bash +# FS QA Test No. 928 +# +# Check that cross-mountpoint dedupe doesn't work. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle, Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 7 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* + wait +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_require_scratch_dedupe + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir +otherdir=/tmp/m.$seq +othertestdir=$otherdir/test-$seq +rm -rf $otherdir +mkdir $otherdir + +blocks=1 +blksz=65536 +sz=$((blocks * blksz)) + +echo "Mount otherdir" +SCRATCH_MNT=$otherdir _scratch_mount + +echo "Create file" +_pwrite_byte 0x61 0 $sz $testdir/file >> $seqres.full +_pwrite_byte 0x61 0 $sz $testdir/otherfile >> $seqres.full + +echo "Dedupe one file to another" +_dedupe_range $testdir/file 0 $othertestdir/otherfile 0 $sz >> $seqres.full + +filter_md5() { + _filter_scratch | sed -e "s,$otherdir,OTHER_DIR,g" +} +echo "Check output" +md5sum $testdir/file $othertestdir/otherfile | filter_md5 + +echo "Unmount otherdir" +umount $otherdir +rm -rf $otherdir + +# success, all done +status=0 +exit diff --git a/tests/generic/928.out b/tests/generic/928.out new file mode 100644 index 0000000..ef35c5b --- /dev/null +++ b/tests/generic/928.out @@ -0,0 +1,10 @@ +QA output created by 928 +Format and mount +Mount otherdir +Create file +Dedupe one file to another +dedupe: Invalid cross-device link +Check output +2d61aa54b58c2e94403fb092c3dbc027 SCRATCH_MNT/test-928/file +2d61aa54b58c2e94403fb092c3dbc027 OTHER_DIR/test-928/otherfile +Unmount otherdir diff --git a/tests/generic/group b/tests/generic/group index 2bd40a1..3286b0f 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -358,3 +358,5 @@ 924 auto quick clone 925 auto quick clone 926 auto quick clone +927 auto quick clone +928 auto quick clone dedupe From darrick.wong@oracle.com Thu Jun 16 20:48:00 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id BB0A5856D for ; Thu, 16 Jun 2016 20:48:00 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8B65F8F804B for ; Thu, 16 Jun 2016 18:48:00 -0700 (PDT) X-ASG-Debug-ID: 1466128079-04cbb01fee6ac40001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Hxp0kScDTFYnPjmc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:47:59 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1lv5q027189 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:58 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lvXO017626 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:47:57 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1lv2c032573; Fri, 17 Jun 2016 01:47:57 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:47:56 -0700 Subject: [PATCH 18/20] xfs/128: use $XFS_FSR_PROG instead of xfs_fsr directly From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 18/20] xfs/128: use $XFS_FSR_PROG instead of xfs_fsr directly To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:47:55 -0700 Message-ID: <146612807538.25024.6579124315123898764.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128079 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1061 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- tests/xfs/128 | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tests/xfs/128 b/tests/xfs/128 index 68f6f94..8758d7e 100755 --- a/tests/xfs/128 +++ b/tests/xfs/128 @@ -97,10 +97,10 @@ c14=$(_md5_checksum $testdir/file4) echo "Defragment" lsattr -l $testdir/ | _filter_scratch | _filter_spaces -xfs_fsr -v -d $testdir/file1 >> $seqres.full -xfs_fsr -v -d $testdir/file2 >> $seqres.full # fsr probably breaks the link -xfs_fsr -v -d $testdir/file3 >> $seqres.full # fsr probably breaks the link -xfs_fsr -v -d $testdir/file4 >> $seqres.full # fsr probably ignores this file +$XFS_FSR_PROG -v -d $testdir/file1 >> $seqres.full +$XFS_FSR_PROG -v -d $testdir/file2 >> $seqres.full # fsr probably breaks the link +$XFS_FSR_PROG -v -d $testdir/file3 >> $seqres.full # fsr probably breaks the link +$XFS_FSR_PROG -v -d $testdir/file4 >> $seqres.full # fsr probably ignores this file _test_cycle_mount free_blocks3=$(stat -f $testdir -c '%f') From darrick.wong@oracle.com Thu Jun 16 20:48:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2B630856B for ; Thu, 16 Jun 2016 20:48:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 98306AC002 for ; Thu, 16 Jun 2016 18:48:10 -0700 (PDT) X-ASG-Debug-ID: 1466128088-04cbb01fec6ac60001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 5HHODkqca3lU35vh (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:09 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1m4pb015628 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:04 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1m45m009795 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:04 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1m3hx027053; Fri, 17 Jun 2016 01:48:03 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:03 -0700 Subject: [PATCH 19/20] xfs: run xfs_repair at the end of each test From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 19/20] xfs: run xfs_repair at the end of each test To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:01 -0700 Message-ID: <146612808160.25024.5986137574652014794.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128089 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 726 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Run xfs_repair twice at the end of each test -- once to rebuild the btree indices, and again with -n to check the rebuild work. Signed-off-by: Darrick J. Wong --- common/rc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/common/rc b/common/rc index 1225047..847191e 100644 --- a/common/rc +++ b/common/rc @@ -2225,6 +2225,9 @@ _check_xfs_filesystem() ok=0 fi + $XFS_REPAIR_PROG $extra_options $extra_log_options $extra_rt_options $device >$tmp.repair 2>&1 + cat $tmp.repair | _fix_malloc >>$seqres.full + $XFS_REPAIR_PROG -n $extra_options $extra_log_options $extra_rt_options $device >$tmp.repair 2>&1 if [ $? -ne 0 ] then From darrick.wong@oracle.com Thu Jun 16 20:48:15 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 73AA7850B for ; Thu, 16 Jun 2016 20:48:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 43F6E8F804B for ; Thu, 16 Jun 2016 18:48:15 -0700 (PDT) X-ASG-Debug-ID: 1466128093-04cb6c542758760001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Y9xjoJnFKEDYn9EL (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:13 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1mBI2027527 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:12 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mBO7022935 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:11 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mAbV032675; Fri, 17 Jun 2016 01:48:11 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:10 -0700 Subject: [PATCH v6 0/6] xfs-docs: reorganize chapters, rmapbt and refcountbt chapter updates From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH v6 0/6] xfs-docs: reorganize chapters, rmapbt and refcountbt chapter updates To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:09 -0700 Message-ID: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128093 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2052 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Hi all, This is the sixth revision of a patchset that updates the xfs documentation for tracking reverse-mappings of physical blocks to file and metadata (rmap); support for mapping multiple file logical blocks to the same physical block (reflink); and implements the beginnings of online metadata scrubbing. Given the significant amount of design assumptions that change with block sharing, rmap and reflink are provided together. There shouldn't be any incompatible on-disk format changes, pending a thorough review of the patches within. This patch set does the following: * Adds a chapter discussing the importance of thoroughly testing new disk format changes with xfstests, and how to find the source code. * Adds in all the disk format changes for Linux 4.5. * Separates the btree sections into a separate chapter about the generic btree structure, and adds a section about the new support for overlapped interval records. * Adds chapters discussing reflink, the reference count btree, and * the reserve-mapping btree. If you're going to start using this mess, you probably ought to just pull from my github trees for kernel[1], xfsprogs[2], and xfstests[3]. There are also updates for xfs-docs[4]. The kernel patches should apply to dchinner's for-next; xfsprogs patches to for-next; and xfstest to master. The kernel git tree already has for-next included. The patches have been xfstested with x64, i386, and armv7l--arm64, ppc64, and ppc64le no longer boot in qemu. All three architectures pass all 'clone' group tests except xfs/128 (which is the swapext test), and AFAICT don't cause any new failures for the 'auto' group. This is an extraordinary way to eat your data. Enjoy! Comments and questions are, as always, welcome. --D [1] https://github.com/djwong/linux/tree/djwong-devel [2] https://github.com/djwong/xfsprogs/tree/djwong-devel [3] https://github.com/djwong/xfstests/tree/djwong-devel [4] https://github.com/djwong/xfs-documentation/tree/djwong-devel From darrick.wong@oracle.com Thu Jun 16 20:48:19 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 89A88857B for ; Thu, 16 Jun 2016 20:48:19 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4A2DC8F804C for ; Thu, 16 Jun 2016 18:48:19 -0700 (PDT) X-ASG-Debug-ID: 1466128092-04bdf01e10968a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id aRQdEU3uAD5JSzgW (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:12 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1mAL2027516 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:11 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mARP022889 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:10 GMT Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1m9v1005396; Fri, 17 Jun 2016 01:48:09 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:09 -0700 Subject: [PATCH 20/20] xfs: scrub fs (if still mounted) at the end of the test From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 20/20] xfs: scrub fs (if still mounted) at the end of the test To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:07 -0700 Message-ID: <146612808781.25024.9354886387434772563.stgit@birch.djwong.org> In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128092 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1365 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Teach _check_xfs_filesystem to scrub mounted filesystems before unmounting and fscking them. This is mostly to test the online scrub tool... Signed-off-by: Darrick J. Wong --- common/config | 1 + common/rc | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/common/config b/common/config index cacd815..41edb0c 100644 --- a/common/config +++ b/common/config @@ -163,6 +163,7 @@ export XFS_REPAIR_PROG="`set_prog_path xfs_repair`" export XFS_DB_PROG="`set_prog_path xfs_db`" export XFS_GROWFS_PROG=`set_prog_path xfs_growfs` export XFS_IO_PROG="`set_prog_path xfs_io`" +export XFS_SCRUB_PROG="`set_prog_path xfs_scrub`" export XFS_PARALLEL_REPAIR_PROG="`set_prog_path xfs_prepair`" export XFS_PARALLEL_REPAIR64_PROG="`set_prog_path xfs_prepair64`" export __XFSDUMP_PROG="`set_prog_path xfsdump`" diff --git a/common/rc b/common/rc index 847191e..ea5baea 100644 --- a/common/rc +++ b/common/rc @@ -2188,6 +2188,13 @@ _check_xfs_filesystem() if [ "$type" = "xfs" ] then + if [ -x "$XFS_SCRUB_PROG" ]; then + "$XFS_SCRUB_PROG" $scrubflag -vd $device >>$seqres.full + if [ $? -ne 0 ]; then + echo "filesystem on $device failed scrub (see $seqres.full)" + ok=0 + fi + fi # mounted ... mountpoint=`_umount_or_remount_ro $device` fi From darrick.wong@oracle.com Thu Jun 16 20:48:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A60E48552 for ; Thu, 16 Jun 2016 20:48:27 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3DB67AC004 for ; Thu, 16 Jun 2016 18:48:27 -0700 (PDT) X-ASG-Debug-ID: 1466128101-04bdf01e10968b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id dz2i5jigBwbuyk84 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:22 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1mHhG015706 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:17 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mHng010095 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:17 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1mGof005496; Fri, 17 Jun 2016 01:48:17 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:16 -0700 Subject: [PATCH 1/6] journaling_log: fix some typos in the section about EFDs From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 1/6] journaling_log: fix some typos in the section about EFDs To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:15 -0700 Message-ID: <146612809529.25586.12927884450458378559.stgit@birch.djwong.org> In-Reply-To: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> References: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128102 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1326 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- .../journaling_log.asciidoc | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/design/XFS_Filesystem_Structure/journaling_log.asciidoc b/design/XFS_Filesystem_Structure/journaling_log.asciidoc index a67fcc2..67d209f 100644 --- a/design/XFS_Filesystem_Structure/journaling_log.asciidoc +++ b/design/XFS_Filesystem_Structure/journaling_log.asciidoc @@ -368,7 +368,7 @@ typedef struct xfs_efd_log_format { ---- *efd_type*:: -The signature of an EFI operation, 0x1236. This value is in host-endian order, +The signature of an EFD operation, 0x1237. This value is in host-endian order, not big-endian like the rest of XFS. *efd_size*:: @@ -382,9 +382,9 @@ A 64-bit number that binds the corresponding EFI log item to this EFD log item. *efd_extents*:: Variable-length array of extents to be freed. The array length is given by -+efi_nextents+. The record type will be either +xfs_extent_64_t+ or ++efd_nextents+. The record type will be either +xfs_extent_64_t+ or +xfs_extent_32_t+; this can be determined from the log item size (+oh_len+) and -the number of extents (+efi_nextents+). +the number of extents (+efd_nextents+). [[Inode_Log_Item]] === Inode Updates From darrick.wong@oracle.com Thu Jun 16 20:48:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A72468582 for ; Thu, 16 Jun 2016 20:48:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2C644AC003 for ; Thu, 16 Jun 2016 18:48:27 -0700 (PDT) X-ASG-Debug-ID: 1466128104-04cb6c542458770001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id Fgpz8Qq0KIvEEH3o (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:25 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1mNeJ015753 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:48:23 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1mN8P016344 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:48:23 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1mMIK005516; Fri, 17 Jun 2016 01:48:23 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:22 -0700 Subject: [PATCH 2/6] xfsdocs: document known testing procedures From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 2/6] xfsdocs: document known testing procedures To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:21 -0700 Message-ID: <146612810138.25586.1436538015885713552.stgit@birch.djwong.org> In-Reply-To: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> References: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128105 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3206 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- design/XFS_Filesystem_Structure/docinfo.xml | 14 ++++++++++++ design/XFS_Filesystem_Structure/testing.asciidoc | 23 ++++++++++++++++++++ .../xfs_filesystem_structure.asciidoc | 2 ++ 3 files changed, 39 insertions(+) create mode 100644 design/XFS_Filesystem_Structure/testing.asciidoc diff --git a/design/XFS_Filesystem_Structure/docinfo.xml b/design/XFS_Filesystem_Structure/docinfo.xml index ba97809..cc5596d 100644 --- a/design/XFS_Filesystem_Structure/docinfo.xml +++ b/design/XFS_Filesystem_Structure/docinfo.xml @@ -108,4 +108,18 @@ + + 3.14 + January 2016 + + Darrick + Wong + + + + + Document disk format change testing. + + + diff --git a/design/XFS_Filesystem_Structure/testing.asciidoc b/design/XFS_Filesystem_Structure/testing.asciidoc new file mode 100644 index 0000000..f1c90bc --- /dev/null +++ b/design/XFS_Filesystem_Structure/testing.asciidoc @@ -0,0 +1,23 @@ +[[Testing]] += Testing Filesystem Changes + +People put a lot of trust in filesystems to preserve their data in a reliable +fashion. To that end, it is very important that users and developers have +access to a suite of regression tests that can be used to prove correct +operation of any given filesystem code, or to analyze failures to fix problems +found in the code. The XFS regression test suite, +xfstests+, is hosted at ++git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git+. Most tests apply to +filesystems in general, but the suite also contains tests for features specific +to each filesystem. + +When fixing bugs, it is important to provide a testcase exposing the bug so +that the developers can avoid a future re-occurrence of the regression. +Furthermore, if you're developing a new user-visible feature for XFS, please +help the rest of the development community to sustain and maintain the whole +codebase by providing generous test coverage to check its behavior. + +When altering, adding, or removing an on-disk data structure, please remember +to update both the in-kernel structure size checks in +xfs_ondisk.h+ and to +ensure that your changes are reflected in xfstest xfs/122. These regression +tests enable us to detect compiler bugs, alignment problems, and anything +else that might result in the creation of incompatible filesystem images. diff --git a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc index 53262bf..f580aab 100644 --- a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc +++ b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc @@ -52,6 +52,8 @@ include::common_types.asciidoc[] include::magic.asciidoc[] +include::testing.asciidoc[] + // return titles to normal :leveloffset: 0 From darrick.wong@oracle.com Thu Jun 16 20:48:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8BA29858E for ; Thu, 16 Jun 2016 20:48:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 46289304048 for ; Thu, 16 Jun 2016 18:48:33 -0700 (PDT) X-ASG-Debug-ID: 1466128111-04cbb01fec6acc0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id gVZsOTndCsCFVtrB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:32 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1mUHk027614 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:30 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mTdC023454 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:30 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mTDd027153; Fri, 17 Jun 2016 01:48:29 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:28 -0700 Subject: [PATCH 3/6] xfsdocs: update the on-disk format with changes for Linux 4.5 From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 3/6] xfsdocs: update the on-disk format with changes for Linux 4.5 To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:27 -0700 Message-ID: <146612810746.25586.15997328091238540438.stgit@birch.djwong.org> In-Reply-To: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> References: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128112 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1773 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Signed-off-by: Darrick J. Wong --- .../XFS_Filesystem_Structure/ondisk_inode.asciidoc | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/design/XFS_Filesystem_Structure/ondisk_inode.asciidoc b/design/XFS_Filesystem_Structure/ondisk_inode.asciidoc index 4aabc55..dc1fad2 100644 --- a/design/XFS_Filesystem_Structure/ondisk_inode.asciidoc +++ b/design/XFS_Filesystem_Structure/ondisk_inode.asciidoc @@ -66,9 +66,10 @@ of the literal area and +di_forkoff+. The attribute fork is located between [[Inode_Core]] == Inode Core -The inode's core is 96 bytes in size and contains information about the file -itself including most stat data information about data and attribute forks after -the core within the inode. It uses the following structure: +The inode's core is 96 bytes on a V4 filesystem and 176 bytes on a V5 +filesystem. It contains information about the file itself including most stat +data information about data and attribute forks after the core within the +inode. It uses the following structure: [source, c] ---- @@ -313,8 +314,16 @@ Counts the number of changes made to the attributes in this inode. Log sequence number of the last inode write. *di_flags2*:: -Specifies extended flags associated with a v3 inode. There are no flags defined -currently. +Specifies extended flags associated with a v3 inode. + +.Version 3 Inode flags +[options="header"] +|===== +| Flag | Description +| +XFS_DIFLAG2_DAX+ | +For a file, enable DAX to increase performance on persistent-memory storage. +If set on a directory, files created in the directory will inherit this flag. +|===== *di_pad2*:: Padding for future expansion of the inode. From darrick.wong@oracle.com Thu Jun 16 20:48:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4DC638507 for ; Thu, 16 Jun 2016 20:48:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 10F998F804B for ; Thu, 16 Jun 2016 18:48:50 -0700 (PDT) X-ASG-Debug-ID: 1466128125-04cb6c5425587a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id dqFaHdVKwSmLVF3a (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:46 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1minm027765 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:44 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mhGC023753 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:44 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mfOi014983; Fri, 17 Jun 2016 01:48:42 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:41 -0700 Subject: [PATCH 5/6] xfsdocs: reverse-mapping btree documentation From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 5/6] xfsdocs: reverse-mapping btree documentation To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:39 -0700 Message-ID: <146612811976.25586.4109341284933778121.stgit@birch.djwong.org> In-Reply-To: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> References: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128126 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 27064 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC5_SA210e, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.00 BSF_SC5_SA210e Custom Rule SA210e Add chapters on the operation of the reverse mapping btree and future things we could do with rmap data. v2: Add magic number to the table. Signed-off-by: Darrick J. Wong --- .../allocation_groups.asciidoc | 24 +- design/XFS_Filesystem_Structure/docinfo.xml | 17 + .../journaling_log.asciidoc | 130 +++++++++ design/XFS_Filesystem_Structure/magic.asciidoc | 3 .../reconstruction.asciidoc | 53 +++ design/XFS_Filesystem_Structure/rmapbt.asciidoc | 305 ++++++++++++++++++++ .../xfs_filesystem_structure.asciidoc | 4 7 files changed, 528 insertions(+), 8 deletions(-) create mode 100644 design/XFS_Filesystem_Structure/reconstruction.asciidoc create mode 100644 design/XFS_Filesystem_Structure/rmapbt.asciidoc diff --git a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc index 55bbc50..8ced83a 100644 --- a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc +++ b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc @@ -12,6 +12,7 @@ Each AG has the following characteristics: * A super block describing overall filesystem info * Free space management * Inode allocation and tracking + * Reverse block-mapping index (optional) Having multiple AGs allows XFS to handle most operations in parallel without degrading performance as the number of concurrent accesses increases. @@ -379,6 +380,12 @@ it doesn't understand the flag. Free inode B+tree. Each allocation group contains a B+tree to track inode chunks containing free inodes. This is a performance optimization to reduce the time required to allocate inodes. + +| +XFS_SB_FEAT_RO_COMPAT_RMAPBT+ | +Reverse mapping B+tree. Each allocation group contains a B+tree containing +records mapping AG blocks to their owners. See the section about +xref:Reconstruction[reconstruction] for more details. + |===== *sb_features_incompat*:: @@ -529,9 +536,7 @@ struct xfs_agf { __be32 agf_seqno; __be32 agf_length; __be32 agf_roots[XFS_BTNUM_AGF]; - __be32 agf_spare0; __be32 agf_levels[XFS_BTNUM_AGF]; - __be32 agf_spare1; __be32 agf_flfirst; __be32 agf_fllast; __be32 agf_flcount; @@ -550,9 +555,10 @@ struct xfs_agf { }; ---- -The rest of the bytes in the sector are zeroed. +XFS_BTNUM_AGF+ is set to 2: -index 0 for the free space B+tree indexed by block number; and index 1 for the -free space B+tree indexed by extent size. +The rest of the bytes in the sector are zeroed. +XFS_BTNUM_AGF+ is set to 3: +index 0 for the free space B+tree indexed by block number; index 1 for the free +space B+tree indexed by extent size; and index 2 for the reverse-mapping +B+tree. *agf_magicnum*:: Specifies the magic number for the AGF sector: ``XAGF'' (0x58414746). @@ -570,11 +576,13 @@ this could be less than the +sb_agblocks+ value. It is this value that should be used to determine the size of the AG. *agf_roots*:: -Specifies the block number for the root of the two free space B+trees. +Specifies the block number for the root of the two free space B+trees and the +reverse-mapping B+tree, if enabled. *agf_levels*:: -Specifies the level or depth of the two free space B+trees. For a fresh AG, this -will be one, and the ``roots'' will point to a single leaf of level 0. +Specifies the level or depth of the two free space B+trees and the +reverse-mapping B+tree, if enabled. For a fresh AG, this value will be one, +and the ``roots'' will point to a single leaf of level 0. *agf_flfirst*:: Specifies the index of the first ``free list'' block. Free lists are covered in diff --git a/design/XFS_Filesystem_Structure/docinfo.xml b/design/XFS_Filesystem_Structure/docinfo.xml index cc5596d..44f944a 100644 --- a/design/XFS_Filesystem_Structure/docinfo.xml +++ b/design/XFS_Filesystem_Structure/docinfo.xml @@ -122,4 +122,21 @@ + + 3.141 + June 2016 + + Darrick + Wong + + + + + Document the reverse-mapping btree. + Move the b+tree info to a separate chapter. + Discuss overlapping interval b+trees. + Discuss new log items for atomic updates. + + + diff --git a/design/XFS_Filesystem_Structure/journaling_log.asciidoc b/design/XFS_Filesystem_Structure/journaling_log.asciidoc index 67d209f..0fbbcee 100644 --- a/design/XFS_Filesystem_Structure/journaling_log.asciidoc +++ b/design/XFS_Filesystem_Structure/journaling_log.asciidoc @@ -209,6 +209,8 @@ magic number to distinguish themselves. Buffer data items only appear after | +XFS_LI_DQUOT+ | 0x123d | xref:Quota_Update_Log_Item[Update Quota] | +XFS_LI_QUOTAOFF+ | 0x123e | xref:Quota_Off_Log_Item[Quota Off] | +XFS_LI_ICREATE+ | 0x123f | xref:Inode_Create_Log_Item[Inode Creation] +| +XFS_LI_RUI+ | 0x1240 | xref:RUI_Log_Item[Reverse Mapping Update Intent] +| +XFS_LI_RUD+ | 0x1241 | xref:RUD_Log_Item[Reverse Mapping Update Done] |===== [[Log_Transaction_Headers]] @@ -386,6 +388,134 @@ Variable-length array of extents to be freed. The array length is given by +xfs_extent_32_t+; this can be determined from the log item size (+oh_len+) and the number of extents (+efd_nextents+). +[[RUI_Log_Item]] +=== Reverse Mapping Updates Intent + +The next two operation types work together to handle deferred reverse mapping +updates. Naturally, the mappings to be updated can be expressed in terms of +mapping extents: + +[source, c] +---- +struct xfs_map_extent { + __uint64_t me_owner; + __uint64_t me_startblock; + __uint64_t me_startoff; + __uint32_t me_len; + __uint32_t me_flags; +}; +---- + +*me_owner*:: +Owner of this reverse mapping. See the values in the section about +xref:Reverse_Mapping_Btree[reverse mapping] for more information. + +*me_startblock*:: +Filesystem block of this mapping. + +*me_startoff*:: +Logical block offset of this mapping. + +*me_len*:: +The length of this mapping. + +*me_flags*:: +The lower byte of this field is a type code indicating what sort of +reverse mapping operation we want. The upper three bytes are flag bits. + +.Reverse mapping update log intent types +[options="header"] +|===== +| Value | Description +| +XFS_RMAP_EXTENT_MAP+ | Add a reverse mapping for file data. +| +XFS_RMAP_EXTENT_MAP_SHARED+ | Add a reverse mapping for file data for a file with shared blocks. +| +XFS_RMAP_EXTENT_UNMAP+ | Remove a reverse mapping for file data. +| +XFS_RMAP_EXTENT_UNMAP_SHARED+ | Remove a reverse mapping for file data for a file with shared blocks. +| +XFS_RMAP_EXTENT_CONVERT+ | Convert a reverse mapping for file data between unwritten and normal. +| +XFS_RMAP_EXTENT_CONVERT_SHARED+ | Convert a reverse mapping for file data between unwritten and normal for a file with shared blocks. +| +XFS_RMAP_EXTENT_ALLOC+ | Add a reverse mapping for non-file data. +| +XFS_RMAP_EXTENT_FREE+ | Remove a reverse mapping for non-file data. +|===== + +.Reverse mapping update log intent flags +[options="header"] +|===== +| Value | Description +| +XFS_RMAP_EXTENT_ATTR_FORK+ | Extent is for the attribute fork. +| +XFS_RMAP_EXTENT_BMBT_BLOCK+ | Extent is for a block mapping btree block. +| +XFS_RMAP_EXTENT_UNWRITTEN+ | Extent is unwritten. +|===== + +The ``rmap update intent'' operation comes first; it tells the log that XFS +wants to update some reverse mappings. This record is crucial for correct log +recovery because it enables us to spread a complex metadata update across +multiple transactions while ensuring that a crash midway through the complex +update will be replayed fully during log recovery. + +[source, c] +---- +struct xfs_rui_log_format { + __uint16_t rui_type; + __uint16_t rui_size; + __uint32_t rui_nextents; + __uint64_t rui_id; + struct xfs_map_extent rui_extents[1]; +}; +---- + +*rui_type*:: +The signature of an RUI operation, 0x1240. This value is in host-endian order, +not big-endian like the rest of XFS. + +*rui_size*:: +Size of this log item. Should be 1. + +*rui_nextents*:: +Number of reverse mappings. + +*rui_id*:: +A 64-bit number that binds the corresponding RUD log item to this RUI log item. + +*rui_extents*:: +Variable-length array of reverse mappings to update. + +[[RUD_Log_Item]] +=== Completion of Reverse Mapping Updates + +The ``reverse mapping update done'' operation complements the ``reverse mapping +update intent'' operation. This second operation indicates that the update +actually happened, so that log recovery needn't replay the update. The RUD and +the actual updates are typically found in a new transaction following the +transaction in which the RUI was logged. + +[source, c] +---- +struct xfs_rud_log_format { + __uint16_t rud_type; + __uint16_t rud_size; + __uint32_t rud_nextents; + __uint64_t rud_rui_id; + struct xfs_map_extent rud_extents[1]; +}; +---- + +*rud_type*:: +The signature of an RUD operation, 0x1241. This value is in host-endian order, +not big-endian like the rest of XFS. + +*rud_size*:: +Size of this log item. Should be 1. + +*rud_nextents*:: +Number of reverse mappings. + +*rud_id*:: +A 64-bit number that binds the corresponding RUI log item to this RUD log item. + +*rud_extents*:: +Variable-length array of reverse mappings. The array length is given by ++rud_nextents+. + [[Inode_Log_Item]] === Inode Updates diff --git a/design/XFS_Filesystem_Structure/magic.asciidoc b/design/XFS_Filesystem_Structure/magic.asciidoc index 301cfa0..10fd15f 100644 --- a/design/XFS_Filesystem_Structure/magic.asciidoc +++ b/design/XFS_Filesystem_Structure/magic.asciidoc @@ -44,6 +44,7 @@ relevant chapters. Magic numbers tend to have consistent locations: | +XFS_ATTR_LEAF_MAGIC+ | 0xfbee | | xref:Leaf_Attributes[Leaf Attribute] | +XFS_ATTR3_LEAF_MAGIC+ | 0x3bee | | xref:Leaf_Attributes[Leaf Attribute], v5 only | +XFS_ATTR3_RMT_MAGIC+ | 0x5841524d | XARM | xref:Remote_Values[Remote Attribute Value], v5 only +| +XFS_RMAP_CRC_MAGIC+ | 0x524d4233 | RMB3 | xref:Reverse_Mapping_Btree[Reverse Mapping B+tree], v5 only |===== The magic numbers for log items are at offset zero in each log item, but items @@ -61,6 +62,8 @@ are not aligned to blocks. | +XFS_LI_DQUOT+ | 0x123d | | xref:Quota_Update_Log_Item[Update Quota Log Item] | +XFS_LI_QUOTAOFF+ | 0x123e | | xref:Quota_Off_Log_Item[Quota Off Log Item] | +XFS_LI_ICREATE+ | 0x123f | | xref:Inode_Create_Log_Item[Inode Creation Log Item] +| +XFS_LI_RUI+ | 0x1240 | | xref:RUI_Log_Item[Reverse Mapping Update Intent] +| +XFS_LI_RUD+ | 0x1241 | | xref:RUD_Log_Item[Reverse Mapping Update Done] |===== = Theoretical Limits diff --git a/design/XFS_Filesystem_Structure/reconstruction.asciidoc b/design/XFS_Filesystem_Structure/reconstruction.asciidoc new file mode 100644 index 0000000..f172e0f --- /dev/null +++ b/design/XFS_Filesystem_Structure/reconstruction.asciidoc @@ -0,0 +1,53 @@ +[[Reconstruction]] += Metadata Reconstruction + +[NOTE] +This is a theoretical discussion of how reconstruction could work; none of this +is implemented as of 2015. + +A simple UNIX filesystem can be thought of in terms of a directed acyclic graph. +To a first approximation, there exists a root directory node, which points to +other nodes. Those other nodes can themselves be directories or they can be +files. Each file, in turn, points to data blocks. + +XFS adds a few more details to this picture: + +* The real root(s) of an XFS filesystem are the allocation group headers +(superblock, AGF, AGI, AGFL). +* Each allocation group’s headers point to various per-AG B+trees (free space, +inode, free inodes, free list, etc.) +* The free space B+trees point to unused extents; +* The inode B+trees point to blocks containing inode chunks; +* All superblocks point to the root directory and the log; +* Hardlinks mean that multiple directories can point to a single file node; +* File data block pointers are indexed by file offset; +* Files and directories can have a second collection of pointers to data blocks +which contain extended attributes; +* Large directories require multiple data blocks to store all the subpointers; +* Still larger directories use high-offset data blocks to store a B+tree of +hashes to directory entries; +* Large extended attribute forks similarly use high-offset data blocks to store +a B+tree of hashes to attribute keys; and +* Symbolic links can point to data blocks. + +The beauty of this massive graph structure is that under normal circumstances, +everything known to the filesystem is discoverable (access controls +notwithstanding) from the root. The major weakness of this structure of course +is that breaking a edge in the graph can render entire subtrees inaccessible. ++xfs_repair+ “recovers” from broken directories by scanning for unlinked inodes +and connecting them to +/lost+found+, but this isn’t sufficiently general to +recover from breaks in other parts of the graph structure. Wouldn’t it be +useful to have back pointers as a secondary data structure? The current repair +strategy is to reconstruct whatever can be rebuilt, but to scrap anything that +doesn't check out. + +The xref:Reverse_Mapping_Btree[reverse-mapping B+tree] fills in part of the +puzzle. Since it contains copies of every entry in each inode’s data and +attribute forks, we can fix a corrupted block map with these records. +Furthermore, if the inode B+trees become corrupt, it is possible to visit all +inode chunks using the reverse-mapping data. Should XFS ever gain the ability +to store parent directory information in each inode, it also becomes possible +to resurrect damaged directory trees, which should reduce the complaints about +inodes ending up in +/lost+found+. Everything else in the per-AG primary +metadata can already be reconstructed via +xfs_repair+. Hopefully, +reconstruction will not turn out to be a fool's errand. diff --git a/design/XFS_Filesystem_Structure/rmapbt.asciidoc b/design/XFS_Filesystem_Structure/rmapbt.asciidoc new file mode 100644 index 0000000..a8a210b --- /dev/null +++ b/design/XFS_Filesystem_Structure/rmapbt.asciidoc @@ -0,0 +1,305 @@ +[[Reverse_Mapping_Btree]] +== Reverse-Mapping B+tree + +[NOTE] +This data structure is under construction! Details may change. + +If the feature is enabled, each allocation group has its own reverse +block-mapping B+tree, which grows in the free space like the free space +B+trees. As mentioned in the chapter about +xref:Reconstruction[reconstruction], this data structure is another piece of +the puzzle necessary to reconstruct the data or attribute fork of a file from +reverse-mapping records; we can also use it to double-check allocations to +ensure that we are not accidentally cross-linking blocks, which can cause +severe damage to the filesystem. + +This B+tree is only present if the +XFS_SB_FEAT_RO_COMPAT_RMAPBT+ +feature is enabled. The feature requires a version 5 filesystem. + +Each record in the reverse-mapping B+tree has the following structure: + +[source, c] +---- +struct xfs_rmap_rec { + __be32 rm_startblock; + __be32 rm_blockcount; + __be64 rm_owner; + __be64 rm_fork:1; + __be64 rm_bmbt:1; + __be64 rm_unwritten:1; + __be64 rm_unused:7; + __be64 rm_offset:54; +}; +---- + +*rm_startblock*:: +AG block number of this record. + +*rm_blockcount*:: +The length of this extent. + +*rm_owner*:: +A 64-bit number describing the owner of this extent. This is typically the +absolute inode number, but can also correspond to one of the following: + +.Special owner values +[options="header"] +|===== +| Value | Description +| +XFS_RMAP_OWN_NULL+ | No owner. This should never appear on disk. +| +XFS_RMAP_OWN_UNKNOWN+ | Unknown owner; for EFI recovery. This should never appear on disk. +| +XFS_RMAP_OWN_FS+ | Allocation group headers +| +XFS_RMAP_OWN_LOG+ | XFS log blocks +| +XFS_RMAP_OWN_AG+ | Per-allocation group B+tree blocks. This means free space B+tree blocks, blocks on the freelist, and reverse-mapping B+tree blocks. +| +XFS_RMAP_OWN_INOBT+ | Per-allocation group inode B+tree blocks. This includes free inode B+tree blocks. +| +XFS_RMAP_OWN_INODES+ | Inode chunks +|===== + +*rm_fork*:: +If +rm_owner+ describes an inode, this can be 1 if this record is for an +attribute fork. + +*rm_bmbt*:: +If +rm_owner+ describes an inode, this can be 1 to signify that this record is +for a block map B+tree block. In this case, +rm_offset+ has no meaning. + +*rm_unwritten*:: +A flag indicating that the extent is unwritten. This corresponds to the flag in +the xref:Data_Extents[extent record] format which means +XFS_EXT_UNWRITTEN+. + +*rm_offset*:: +The 54-bit logical file block offset, if +rm_owner+ describes an inode. +Meaningless otherwise. + +[NOTE] +The single-bit flag values +rm_unwritten+, +rm_fork+, and +rm_bmbt+ are packed +into the larger fields in the C structure definition. + +The key has the following structure: + +[source, c] +---- +struct xfs_rmap_key { + __be32 rm_startblock; + __be64 rm_owner; + __be64 rm_fork:1; + __be64 rm_bmbt:1; + __be64 rm_reserved:1; + __be64 rm_unused:7; + __be64 rm_offset:54; +}; +---- + +For the reverse-mapping B+tree on a filesystem that supports sharing of file +data blocks, the key definition is larger than the usual AG block number. On a +classic XFS filesystem, each block has only one owner, which means that ++rm_startblock+ is sufficient to uniquely identify each record. However, +shared block support (reflink) on XFS breaks that assumption; now filesystem +blocks can be linked to any logical block offset of any file inode. Therefore, +the key must include the owner and offset information to preserve the 1 to 1 +relation between key and record. + +* As the reference counting is AG relative, all the block numbers are only +32-bits. +* The +bb_magic+ value is "RMB3" (0x524d4233). +* The +xfs_btree_sblock_t+ header is used for intermediate B+tree node as well +as the leaves. +* Each pointer is associated with two keys. The first of these is the "low +key", which is the key of the smallest record accessible through the pointer. +This low key has the same meaning as the key in all other btrees. The second +key is the high key, which is the maximum of the largest key that can be used +to access a given record underneath the pointer. Recall that each record +in the reverse mapping b+tree describes an interval of physical blocks mapped +to an interval of logical file block offsets; therefore, it makes sense that +a range of keys can be used to find to a record. + +=== xfs_db rmapbt Example + +This example shows a reverse-mapping B+tree from a freshly populated root +filesystem: + +---- +xfs_db> agf 0 +xfs_db> addr rmaproot +xfs_db> p +magic = 0x524d4233 +level = 1 +numrecs = 43 +leftsib = null +rightsib = null +bno = 56 +lsn = 0x3000004c8 +uuid = 1977221d-8345-464e-b1f4-aa2ea36895f4 +owner = 0 +crc = 0x7cf8be6f (correct) +keys[1-43] = [startblock,owner,offset] +keys[1-43] = [startblock,owner,offset,attrfork,bmbtblock,startblock_hi,owner_hi, + offset_hi,attrfork_hi,bmbtblock_hi] + 1:[0,-3,0,0,0,351,4418,66,0,0] + 2:[417,285,0,0,0,827,4419,2,0,0] + 3:[829,499,0,0,0,2352,573,55,0,0] + 4:[1292,710,0,0,0,32168,262923,47,0,0] + 5:[32215,-5,0,0,0,34655,2365,3411,0,0] + 6:[34083,1161,0,0,0,34895,265220,1,0,1] + 7:[34896,256191,0,0,0,36522,-9,0,0,0] + ... + 41:[50998,326734,0,0,0,51430,-5,0,0,0] + 42:[51431,327010,0,0,0,51600,325722,11,0,0] + 43:[51611,327112,0,0,0,94063,23522,28375272,0,0] +ptrs[1-43] = 1:5 2:6 3:8 4:9 5:10 6:11 7:418 ... 41:46377 42:48784 43:49522 +---- + +We arbitrarily pick pointer 17 to traverse downwards: + +---- +xfs_db> addr ptrs[17] +xfs_db> p +magic = 0x524d4233 +level = 0 +numrecs = 168 +leftsib = 36284 +rightsib = 37617 +bno = 294760 +lsn = 0x200002761 +uuid = 1977221d-8345-464e-b1f4-aa2ea36895f4 +owner = 0 +crc = 0x2dad3fbe (correct) +recs[1-168] = [startblock,blockcount,owner,offset,extentflag,attrfork,bmbtblock] + 1:[40326,1,259615,0,0,0,0] 2:[40327,1,-5,0,0,0,0] + 3:[40328,2,259618,0,0,0,0] 4:[40330,1,259619,0,0,0,0] + ... + 127:[40540,1,324266,0,0,0,0] 128:[40541,1,324266,8388608,0,0,0] + 129:[40542,2,324266,1,0,0,0] 130:[40544,32,-7,0,0,0,0] +---- + +Several interesting things pop out here. The first record shows that inode +259,615 has mapped AG block 40,326 at offset 0. We confirm this by looking at +the block map for that inode: + +---- +xfs_db> inode 259615 +xfs_db> bmap +data offset 0 startblock 40326 (0/40326) count 1 flag 0 +---- + +Next, notice records 127 and 128, which describe neighboring AG blocks that are +mapped to non-contiguous logical blocks in inode 324,266. Given the logical +offset of 8,388,608 we surmise that this is a leaf directory, but let us +confirm: + +---- +xfs_db> inode 324266 +xfs_db> p core.mode +core.mode = 040755 +xfs_db> bmap +data offset 0 startblock 40540 (0/40540) count 1 flag 0 +data offset 1 startblock 40542 (0/40542) count 2 flag 0 +data offset 3 startblock 40576 (0/40576) count 1 flag 0 +data offset 8388608 startblock 40541 (0/40541) count 1 flag 0 +xfs_db> p core.mode +core.mode = 0100644 +xfs_db> dblock 0 +xfs_db> p dhdr.hdr.magic +dhdr.hdr.magic = 0x58444433 +xfs_db> dblock 8388608 +xfs_db> p lhdr.info.hdr.magic +lhdr.info.hdr.magic = 0x3df1 +---- + +Indeed, this inode 324,266 appears to be a leaf directory, as it has regular +directory data blocks at low offsets, and a single leaf block. + +Notice further the two reverse-mapping records with negative owners. An owner +of -7 corresponds to +XFS_RMAP_OWN_INODES+, which is an inode chunk, and an +owner code of -5 corresponds to +XFS_RMAP_OWN_AG+, which covers free space +B+trees and free space. Let's see if block 40,544 is part of an inode chunk: + +---- +xfs_db> blockget +xfs_db> fsblock 40544 +xfs_db> blockuse +block 40544 (0/40544) type inode +xfs_db> stack +1: + byte offset 166068224, length 4096 + buffer block 324352 (fsbno 40544), 8 bbs + inode 324266, dir inode 324266, type data +xfs_db> type inode +xfs_db> p +core.magic = 0x494e +---- + +Our suspicions are confirmed. Let's also see if 40,327 is part of a free space +tree: + +---- +xfs_db> fsblock 40327 +xfs_db> blockuse +block 40327 (0/40327) type btrmap +xfs_db> type rmapbt +xfs_db> p +magic = 0x524d4233 +---- + +As you can see, the reverse block-mapping B+tree is an important secondary +metadata structure, which can be used to reconstruct damaged primary metadata. +Now let's look at an extend rmap btree: + +---- +xfs_db> agf 0 +xfs_db> addr rmaproot +xfs_db> p +magic = 0x34524d42 +level = 1 +numrecs = 5 +leftsib = null +rightsib = null +bno = 6368 +lsn = 0x100000d1b +uuid = 400f0928-6b88-4c37-af1e-cef1f8911f3f +owner = 0 +crc = 0x8d4ace05 (correct) +keys[1-5] = [startblock,owner,offset,attrfork,bmbtblock,startblock_hi,owner_hi,offset_hi,attrfork_hi,bmbtblock_hi] +1:[0,-3,0,0,0,705,132,681,0,0] +2:[24,5761,0,0,0,548,5761,524,0,0] +3:[24,5929,0,0,0,380,5929,356,0,0] +4:[24,6097,0,0,0,212,6097,188,0,0] +5:[24,6277,0,0,0,807,-7,0,0,0] +ptrs[1-5] = 1:5 2:771 3:9 4:10 5:11 +---- + +The second pointer stores both the low key [24,5761,0,0,0] and the high key +[548,5761,524,0,0], which means that we can expect block 771 to contain records +starting at physical block 24, inode 5761, offset zero; and that one of the +records can be used to find a reverse mapping for physical block 548, inode +5761, and offset 524: + +---- +xfs_db> addr ptrs[2] +xfs_db> p +magic = 0x34524d42 +level = 0 +numrecs = 168 +leftsib = 5 +rightsib = 9 +bno = 6168 +lsn = 0x100000d1b +uuid = 400f0928-6b88-4c37-af1e-cef1f8911f3f +owner = 0 +crc = 0xd58eff0e (correct) +recs[1-168] = [startblock,blockcount,owner,offset,extentflag,attrfork,bmbtblock] +1:[24,525,5761,0,0,0,0] +2:[24,524,5762,0,0,0,0] +3:[24,523,5763,0,0,0,0] +... +166:[24,360,5926,0,0,0,0] +167:[24,359,5927,0,0,0,0] +168:[24,358,5928,0,0,0,0] +---- + +Observe that the first record in the block starts at physical block 24, inode +5761, offset zero, just as we expected. Note that this first record is also +indexed by the highest key as provided in the node block; physical block 548, +inode 5761, offset 524 is the very last block mapped by this record. Furthermore, +note that record 168, despite being the last record in this block, has a lower +maximum key (physical block 382, inode 5928, offset 23) than the first record. diff --git a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc index 62502b3..1b8658d 100644 --- a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc +++ b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc @@ -48,6 +48,8 @@ include::overview.asciidoc[] include::metadata_integrity.asciidoc[] +include::reconstruction.asciidoc[] + include::common_types.asciidoc[] include::magic.asciidoc[] @@ -66,6 +68,8 @@ include::btrees.asciidoc[] include::allocation_groups.asciidoc[] +include::rmapbt.asciidoc[] + include::journaling_log.asciidoc[] include::internal_inodes.asciidoc[] From darrick.wong@oracle.com Thu Jun 16 20:48:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 29A2F859E for ; Thu, 16 Jun 2016 20:48:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id DDF7D304059 for ; Thu, 16 Jun 2016 18:48:54 -0700 (PDT) X-ASG-Debug-ID: 1466128131-04cbb01fef6ad10001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id eWxw3WMJjYFPIgbb (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:51 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1mmF1015879 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 01:48:49 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5H1mm0s016846 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:48 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mlb2000395; Fri, 17 Jun 2016 01:48:48 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:47 -0700 Subject: [PATCH 6/6] xfsdocs: document refcount btree and reflink From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 6/6] xfsdocs: document refcount btree and reflink To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:46 -0700 Message-ID: <146612812605.25586.14230585950316760238.stgit@birch.djwong.org> In-Reply-To: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> References: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466128131 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 26803 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Document the reference count btree and talk a little bit about how the reflink feature uses it. Signed-off-by: Darrick J. Wong --- .../allocation_groups.asciidoc | 20 ++ .../XFS_Filesystem_Structure/directories.asciidoc | 1 design/XFS_Filesystem_Structure/docinfo.xml | 2 .../journaling_log.asciidoc | 207 ++++++++++++++++++++ design/XFS_Filesystem_Structure/magic.asciidoc | 5 .../XFS_Filesystem_Structure/ondisk_inode.asciidoc | 25 ++ .../XFS_Filesystem_Structure/refcountbt.asciidoc | 145 ++++++++++++++ design/XFS_Filesystem_Structure/reflink.asciidoc | 40 ++++ design/XFS_Filesystem_Structure/rmapbt.asciidoc | 2 .../xfs_filesystem_structure.asciidoc | 4 10 files changed, 446 insertions(+), 5 deletions(-) create mode 100644 design/XFS_Filesystem_Structure/refcountbt.asciidoc create mode 100644 design/XFS_Filesystem_Structure/reflink.asciidoc diff --git a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc index 8ced83a..ece7f8b 100644 --- a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc +++ b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc @@ -13,6 +13,7 @@ Each AG has the following characteristics: * Free space management * Inode allocation and tracking * Reverse block-mapping index (optional) + * Data block reference count index (optional) Having multiple AGs allows XFS to handle most operations in parallel without degrading performance as the number of concurrent accesses increases. @@ -386,6 +387,12 @@ Reverse mapping B+tree. Each allocation group contains a B+tree containing records mapping AG blocks to their owners. See the section about xref:Reconstruction[reconstruction] for more details. +| +XFS_SB_FEAT_RO_COMPAT_REFLINK+ | +Reference count B+tree. Each allocation group contains a B+tree to track the +reference counts of AG blocks. This enables files to share data blocks safely. +See the section about xref:Reflink_Deduplication[reflink and deduplication] for +more details. + |===== *sb_features_incompat*:: @@ -546,7 +553,9 @@ struct xfs_agf { /* version 5 filesystem fields start here */ uuid_t agf_uuid; - __be64 agf_spare64[16]; + __be32 agf_refcount_root; + __be32 agf_refcount_level; + __be64 agf_spare64[15]; /* unlogged fields, written during buffer writeback. */ __be64 agf_lsn; @@ -608,6 +617,12 @@ used if the +XFS_SB_VERSION2_LAZYSBCOUNTBIT+ bit is set in +sb_features2+. The UUID of this block, which must match either +sb_uuid+ or +sb_meta_uuid+ depending on which features are set. +*agf_refcount_root*:: +Block number for the root of the reference count B+tree, if enabled. + +*agf_refcount_root*:: +Depth of the reference count B+tree, if enabled. + *agf_spare64*:: Empty space in the logged part of the AGF sector, for use for future features. @@ -1238,4 +1253,5 @@ By placing the real time device (and the journal) on separate high-performance storage devices, it is possible to reduce most of the unpredictability in I/O response times that come from metadata operations. -None of the XFS per-AG B+trees are involved with real time files. +None of the XFS per-AG B+trees are involved with real time files. It is not +possible for real time files to share data blocks. diff --git a/design/XFS_Filesystem_Structure/directories.asciidoc b/design/XFS_Filesystem_Structure/directories.asciidoc index bccf912..1758c4e 100644 --- a/design/XFS_Filesystem_Structure/directories.asciidoc +++ b/design/XFS_Filesystem_Structure/directories.asciidoc @@ -1419,6 +1419,7 @@ The hash value of a particular record. The directory/attribute logical block containing all entries up to the corresponding hash value. +// * The freeindex's +bests+ array starts from the end of the block and grows to the start of the block. diff --git a/design/XFS_Filesystem_Structure/docinfo.xml b/design/XFS_Filesystem_Structure/docinfo.xml index 44f944a..f5e62bc 100644 --- a/design/XFS_Filesystem_Structure/docinfo.xml +++ b/design/XFS_Filesystem_Structure/docinfo.xml @@ -136,6 +136,8 @@ Move the b+tree info to a separate chapter. Discuss overlapping interval b+trees. Discuss new log items for atomic updates. + Document the reference-count btree. + Discuss block sharing, reflink, & deduplication. diff --git a/design/XFS_Filesystem_Structure/journaling_log.asciidoc b/design/XFS_Filesystem_Structure/journaling_log.asciidoc index 0fbbcee..e772a84 100644 --- a/design/XFS_Filesystem_Structure/journaling_log.asciidoc +++ b/design/XFS_Filesystem_Structure/journaling_log.asciidoc @@ -211,6 +211,10 @@ magic number to distinguish themselves. Buffer data items only appear after | +XFS_LI_ICREATE+ | 0x123f | xref:Inode_Create_Log_Item[Inode Creation] | +XFS_LI_RUI+ | 0x1240 | xref:RUI_Log_Item[Reverse Mapping Update Intent] | +XFS_LI_RUD+ | 0x1241 | xref:RUD_Log_Item[Reverse Mapping Update Done] +| +XFS_LI_CUI+ | 0x1242 | xref:CUI_Log_Item[Reference Count Update Intent] +| +XFS_LI_CUD+ | 0x1243 | xref:CUD_Log_Item[Reference Count Update Done] +| +XFS_LI_BUI+ | 0x1244 | xref:BUI_Log_Item[File Block Mapping Update Intent] +| +XFS_LI_BUD+ | 0x1245 | xref:BUD_Log_Item[File Block Mapping Update Done] |===== [[Log_Transaction_Headers]] @@ -516,6 +520,209 @@ A 64-bit number that binds the corresponding RUI log item to this RUD log item. Variable-length array of reverse mappings. The array length is given by +rud_nextents+. +[[CUI_Log_Item]] +=== Reference Count Updates Intent + +The next two operation types work together to handle reference count updates. +Naturally, the ranges of extents having reference count updates can be +expressed in terms of physical extents: + +[source, c] +---- +struct xfs_phys_extent { + __uint64_t pe_startblock; + __uint32_t pe_len; + __uint32_t pe_flags; +}; +---- + +*pe_startblock*:: +Filesystem block of this extent. + +*pe_len*:: +The length of this extent. + +*pe_flags*:: +The lower byte of this field is a type code indicating what sort of +reverse mapping operation we want. The upper three bytes are flag bits. + +.Reference count update log intent types +[options="header"] +|===== +| Value | Description +| +XFS_REFCOUNT_EXTENT_INCREASE+ | Increase the reference count for this extent. +| +XFS_REFCOUNT_EXTENT_DECREASE+ | Decrease the reference count for this extent. +| +XFS_REFCOUNT_EXTENT_ALLOC_COW+ | Reserve an extent for staging copy on write. +| +XFS_REFCOUNT_EXTENT_FREE_COW+ | Unreserve an extent for staging copy on write. +|===== + +The ``reference count update intent'' operation comes first; it tells the log +that XFS wants to update some reference counts. This record is crucial for +correct log recovery because it enables us to spread a complex metadata update +across multiple transactions while ensuring that a crash midway through the +complex update will be replayed fully during log recovery. + +[source, c] +---- +struct xfs_cui_log_format { + __uint16_t cui_type; + __uint16_t cui_size; + __uint32_t cui_nextents; + __uint64_t cui_id; + struct xfs_map_extent cui_extents[1]; +}; +---- + +*cui_type*:: +The signature of an CUI operation, 0x1242. This value is in host-endian order, +not big-endian like the rest of XFS. + +*cui_size*:: +Size of this log item. Should be 1. + +*cui_nextents*:: +Number of reference count updates. + +*cui_id*:: +A 64-bit number that binds the corresponding RUD log item to this RUI log item. + +*cui_extents*:: +Variable-length array of reference count update information. + +[[CUD_Log_Item]] +=== Completion of Reference Count Updates + +The ``reference count update done'' operation complements the ``reference count +update intent'' operation. This second operation indicates that the update +actually happened, so that log recovery needn't replay the update. The CUD and +the actual updates are typically found in a new transaction following the +transaction in which the CUI was logged. + +[source, c] +---- +struct xfs_cud_log_format { + __uint16_t cud_type; + __uint16_t cud_size; + __uint32_t cud_nextents; + __uint64_t cud_rui_id; + struct xfs_map_extent cud_extents[1]; +}; +---- + +*cud_type*:: +The signature of an RUD operation, 0x1243. This value is in host-endian order, +not big-endian like the rest of XFS. + +*cud_size*:: +Size of this log item. Should be 1. + +*cud_nextents*:: +Number of reverse mappings. + +*cud_id*:: +A 64-bit number that binds the corresponding CUI log item to this CUD log item. + +*cud_extents*:: +Variable-length array of reverse mappings. The array length is given by ++cud_nextents+. + +[[BUI_Log_Item]] +=== File Block Mapping Intent + +The next two operation types work together to handle deferred file block +mapping updates. The extents to be mapped are expressed via the ++xfs_map_extent+ structure discussed in the section about +xref:RUI_Log_Item[reverse mapping intents]. + +The lower byte of the +me_flags+ field is a type code indicating what sort of +file block mapping operation we want. The upper three bytes are flag bits. + +.File block mapping update log intent types +[options="header"] +|===== +| Value | Description +| +XFS_BMAP_EXTENT_MAP+ | Add a mapping for file data. +| +XFS_BMAP_EXTENT_UNMAP+ | Remove a mapping for file data. +|===== + +.File block mapping update log intent flags +[options="header"] +|===== +| Value | Description +| +XFS_BMAP_EXTENT_ATTR_FORK+ | Extent is for the attribute fork. +| +XFS_BMAP_EXTENT_UNWRITTEN+ | Extent is unwritten. +|===== + +The ``file block mapping update intent'' operation comes first; it tells the +log that XFS wants to map or unmap some extents in a file. This record is +crucial for correct log recovery because it enables us to spread a complex +metadata update across multiple transactions while ensuring that a crash midway +through the complex update will be replayed fully during log recovery. + +[source, c] +---- +struct xfs_bui_log_format { + __uint16_t bui_type; + __uint16_t bui_size; + __uint32_t bui_nextents; + __uint64_t bui_id; + struct xfs_map_extent bui_extents[1]; +}; +---- + +*bui_type*:: +The signature of an BUI operation, 0x1244. This value is in host-endian order, +not big-endian like the rest of XFS. + +*bui_size*:: +Size of this log item. Should be 1. + +*bui_nextents*:: +Number of file mappings. + +*bui_id*:: +A 64-bit number that binds the corresponding BUD log item to this BUI log item. + +*bui_extents*:: +Variable-length array of file block mappings to update. + +[[BUD_Log_Item]] +=== Completion of File Block Mapping Updates + +The ``file block mapping update done'' operation complements the ``file block +mapping update intent'' operation. This second operation indicates that the +update actually happened, so that log recovery needn't replay the update. The +BUD and the actual updates are typically found in a new transaction following +the transaction in which the BUI was logged. + +[source, c] +---- +struct xfs_bud_log_format { + __uint16_t bud_type; + __uint16_t bud_size; + __uint32_t bud_nextents; + __uint64_t bud_rui_id; + struct xfs_map_extent bud_extents[1]; +}; +---- + +*bud_type*:: +The signature of an BUD operation, 0x1245. This value is in host-endian order, +not big-endian like the rest of XFS. + +*bud_size*:: +Size of this log item. Should be 1. + +*bud_nextents*:: +Number of file block mappings. + +*bud_id*:: +A 64-bit number that binds the corresponding BUI log item to this BUD log item. + +*bud_extents*:: +Variable-length array of file block mappings. The array length is given by ++bud_nextents+. + [[Inode_Log_Item]] === Inode Updates diff --git a/design/XFS_Filesystem_Structure/magic.asciidoc b/design/XFS_Filesystem_Structure/magic.asciidoc index 10fd15f..bc172f3 100644 --- a/design/XFS_Filesystem_Structure/magic.asciidoc +++ b/design/XFS_Filesystem_Structure/magic.asciidoc @@ -45,6 +45,7 @@ relevant chapters. Magic numbers tend to have consistent locations: | +XFS_ATTR3_LEAF_MAGIC+ | 0x3bee | | xref:Leaf_Attributes[Leaf Attribute], v5 only | +XFS_ATTR3_RMT_MAGIC+ | 0x5841524d | XARM | xref:Remote_Values[Remote Attribute Value], v5 only | +XFS_RMAP_CRC_MAGIC+ | 0x524d4233 | RMB3 | xref:Reverse_Mapping_Btree[Reverse Mapping B+tree], v5 only +| +XFS_REFC_CRC_MAGIC+ | 0x52334643 | R3FC | xref:Reference_Count_Btree[Reference Count B+tree], v5 only |===== The magic numbers for log items are at offset zero in each log item, but items @@ -64,6 +65,10 @@ are not aligned to blocks. | +XFS_LI_ICREATE+ | 0x123f | | xref:Inode_Create_Log_Item[Inode Creation Log Item] | +XFS_LI_RUI+ | 0x1240 | | xref:RUI_Log_Item[Reverse Mapping Update Intent] | +XFS_LI_RUD+ | 0x1241 | | xref:RUD_Log_Item[Reverse Mapping Update Done] +| +XFS_LI_CUI+ | 0x1242 | | xref:CUI_Log_Item[Reference Count Update Intent] +| +XFS_LI_CUD+ | 0x1243 | | xref:CUD_Log_Item[Reference Count Update Done] +| +XFS_LI_BUI+ | 0x1244 | | xref:BUI_Log_Item[File Block Mapping Update Intent] +| +XFS_LI_BUD+ | 0x1245 | | xref:BUD_Log_Item[File Block Mapping Update Done] |===== = Theoretical Limits diff --git a/design/XFS_Filesystem_Structure/ondisk_inode.asciidoc b/design/XFS_Filesystem_Structure/ondisk_inode.asciidoc index dc1fad2..4415c38 100644 --- a/design/XFS_Filesystem_Structure/ondisk_inode.asciidoc +++ b/design/XFS_Filesystem_Structure/ondisk_inode.asciidoc @@ -109,7 +109,8 @@ struct xfs_dinode_core { __be64 di_changecount; __be64 di_lsn; __be64 di_flags2; - __u8 di_pad2[16]; + __be32 di_cowextsize; + __u8 di_pad2[12]; xfs_timestamp_t di_crtime; __be64 di_ino; uuid_t di_uuid; @@ -215,7 +216,7 @@ including relevant metadata like B+trees. This does not include blocks used for extended attributes. *di_extsize*:: -Specifies the extent size for filesystems with real-time devices and an extent +Specifies the extent size for filesystems with real-time devices or an extent size hint for standard filesystems. For normal filesystems, and with directories, the +XFS_DIFLAG_EXTSZINHERIT+ flag must be set in +di_flags+ if this field is used. Inodes created in these directories will inherit the @@ -279,7 +280,7 @@ For directory inodes, new inodes inherit the +di_projid+ value. For directory inodes, symlinks cannot be created. | +XFS_DIFLAG_EXTSIZE+ | -Specifies the extent size for real-time files or a and extent size hint for regular files. +Specifies the extent size for real-time files or an extent size hint for regular files. | +XFS_DIFLAG_EXTSZINHERIT+ | For directory inodes, new inodes inherit the +di_extsize+ value. @@ -323,8 +324,26 @@ Specifies extended flags associated with a v3 inode. | +XFS_DIFLAG2_DAX+ | For a file, enable DAX to increase performance on persistent-memory storage. If set on a directory, files created in the directory will inherit this flag. +| +XFS_DIFLAG2_REFLINK+ | +This inode shares (or has shared) data blocks with another inode. +| +XFS_DIFLAG2_COWEXTSIZE+ | +For files, this is the extent size hint for copy on write operations; see ++di_cowextsize+ for details. For directories, the value in +di_cowextsize+ +will be copied to all newly created files and directories. |===== +*di_cowextsize*:: +Specifies the extent size hint for copy on write operations. When allocating +extents for a copy on write operation, the allocator will be asked to align +its allocations to either +di_cowextsize+ blocks or +di_extsize+ blocks, +whichever is greater. The +XFS_DIFLAG2_COWEXTSIZE+ flag must be set if this +field is used. If this field and its flag are set on a directory file, the +value will be copied into any files or directories created within this +directory. During a block sharing operation, this value will be copied from +the source file to the destination file if the sharing operation completely +overwrites the destination file's contents and the destination file does not +already have +di_cowextsize+ set. + *di_pad2*:: Padding for future expansion of the inode. diff --git a/design/XFS_Filesystem_Structure/refcountbt.asciidoc b/design/XFS_Filesystem_Structure/refcountbt.asciidoc new file mode 100644 index 0000000..dbbb98e --- /dev/null +++ b/design/XFS_Filesystem_Structure/refcountbt.asciidoc @@ -0,0 +1,145 @@ +[[Reference_Count_Btree]] +== Reference Count B+tree + +[NOTE] +This data structure is under construction! Details may change. + +To support the sharing of file data blocks (reflink), each allocation group has +its own reference count B+tree, which grows in the allocated space like the +inode B+trees. This data could be gleaned by performing an interval query of +the reverse-mapping B+tree, but doing so would come at a huge performance +penalty. Therefore, this data structure is a cache of computable information. + +This B+tree is only present if the +XFS_SB_FEAT_RO_COMPAT_REFLINK+ +feature is enabled. The feature requires a version 5 filesystem. + +Each record in the reference count B+tree has the following structure: + +[source, c] +---- +struct xfs_refcount_rec { + __be32 rc_startblock; + __be32 rc_blockcount; + __be32 rc_refcount; +}; +---- + +*rc_startblock*:: +AG block number of this record. + +*rc_blockcount*:: +The length of this extent. + +*rc_refcount*:: +Number of mappings of this filesystem extent. + +Node pointers are an AG relative block pointer: + +[source, c] +---- +struct xfs_refcount_key { + __be32 rc_startblock; +}; +---- + +* As the reference counting is AG relative, all the block numbers are only +32-bits. +* The +bb_magic+ value is "R3FC" (0x52334643). +* The +xfs_btree_sblock_t+ header is used for intermediate B+tree node as well +as the leaves. + +=== xfs_db refcntbt Example + +For this example, an XFS filesystem was populated with a root filesystem and +a deduplication program was run to create shared blocks: + +---- +xfs_db> agf 0 +xfs_db> addr refcntroot +xfs_db> p +magic = 0x52334643 +level = 1 +numrecs = 6 +leftsib = null +rightsib = null +bno = 36892 +lsn = 0x200004ec2 +uuid = f1f89746-e00b-49c9-96b3-ecef0f2f14ae +owner = 0 +crc = 0x75f35128 (correct) +keys[1-6] = [startblock] 1:[14] 2:[65633] 3:[65780] 4:[94571] 5:[117201] 6:[152442] +ptrs[1-6] = 1:7 2:25836 3:25835 4:18447 5:18445 6:18449 +xfs_db> addr ptrs[3] +xfs_db> p +magic = 0x52334643 +level = 0 +numrecs = 80 +leftsib = 25836 +rightsib = 18447 +bno = 51670 +lsn = 0x200004ec2 +uuid = f1f89746-e00b-49c9-96b3-ecef0f2f14ae +owner = 0 +crc = 0xc3962813 (correct) +recs[1-80] = [startblock,blockcount,refcount] + 1:[65780,1,2] 2:[65781,1,3] 3:[65785,2,2] 4:[66640,1,2] + 5:[69602,4,2] 6:[72256,16,2] 7:[72871,4,2] 8:[72879,20,2] + 9:[73395,4,2] 10:[75063,4,2] 11:[79093,4,2] 12:[86344,16,2] +---- + +Record 6 in the reference count B+tree for AG 0 indicates that the AG extent +starting at block 72,256 and running for 16 blocks has a reference count of 2. +This means that there are two files sharing the block: + +---- +xfs_db> blockget -n +xfs_db> fsblock 72256 +xfs_db> blockuse +block 72256 (0/72256) type rldata inode 25169197 +---- + +The blockuse type changes to ``rldata'' to indicate that the block is shared +data. Unfortunately, blockuse only tells us about one block owner. If we +happen to have enabled the reverse-mapping B+tree, we can use it to find all +inodes that own this block: + +---- +xfs_db> agf 0 +xfs_db> addr rmaproot +... +xfs_db> addr ptrs[3] +... +xfs_db> addr ptrs[7] +xfs_db> p +magic = 0x524d4233 +level = 0 +numrecs = 22 +leftsib = 65057 +rightsib = 65058 +bno = 291478 +lsn = 0x200004ec2 +uuid = f1f89746-e00b-49c9-96b3-ecef0f2f14ae +owner = 0 +crc = 0xed7da3f7 (correct) +recs[1-22] = [startblock,blockcount,owner,offset,extentflag,attrfork,bmbtblock] + 1:[68957,8,3201,0,0,0,0] 2:[68965,4,25260953,0,0,0,0] + ... + 18:[72232,58,3227,0,0,0,0] 19:[72256,16,25169197,24,0,0,0] + 20:[72290,75,3228,0,0,0,0] 21:[72365,46,3229,0,0,0,0] +---- + +Records 18 and 19 intersect the block 72,256; they tell us that inodes 3,227 +and 25,169,197 both claim ownership. Let us confirm this: + +---- +xfs_db> inode 25169197 +xfs_db> bmap +data offset 0 startblock 12632259 (3/49347) count 24 flag 0 +data offset 24 startblock 72256 (0/72256) count 16 flag 0 +data offset 40 startblock 12632299 (3/49387) count 18 flag 0 +xfs_db> inode 3227 +xfs_db> bmap +data offset 0 startblock 72232 (0/72232) count 58 flag 0 +---- + +Inodes 25,169,197 and 3,227 both contain mappings to block 0/72,256. diff --git a/design/XFS_Filesystem_Structure/reflink.asciidoc b/design/XFS_Filesystem_Structure/reflink.asciidoc new file mode 100644 index 0000000..8f52b90 --- /dev/null +++ b/design/XFS_Filesystem_Structure/reflink.asciidoc @@ -0,0 +1,40 @@ +[[Reflink_Deduplication]] += Sharing Data Blocks + +On a traditional filesystem, there is a 1:1 mapping between a logical block +offset in a file and a physical block on disk, which is to say that physical +blocks are not shared. However, there exist various use cases for being able +to share blocks between files -- deduplicating files saves space on archival +systems; creating space-efficient clones of disk images for virtual machines +and containers facilitates efficient datacenters; and deferring the payment of +the allocation cost of a file system tree copy as long as possible makes +regular work faster. In all of these cases, a write to one of the shared +copies *must* not affect the other shared copies, which means that writes to +shared blocks must employ a copy-on-write strategy. Sharing blocks in this +manner is commonly referred to as ``reflinking''. + +XFS implements block sharing in a fairly straightforward manner. All existing +data fork structures remain unchanged, save for the addition of a +per-allocation group xref:Reference_Count_Btree[reference count B+tree]. This +data structure tracks reference counts for all shared physical blocks, with a +few rules to maintain compatibility with existing code: If a block is free, it +will be tracked in the free space B+trees. If a block is owned by a single +file, it appears in neither the free space nor the reference count B+trees. If +a block is shared, it will appear in the reference count B+tree with a +reference count >= 2. The first two cases are established precedent in XFS, so +the third case is the only behavioral change. + +When a filesystem block is shared, the block mapping in the destination file is +updated to point to that filesystem block and the reference count B+tree records +are updated to reflect the increased refcount. If a shared block is written, a +new block will be allocated, the dirty data written to this new block, and the +file's block mapping updated to point to the new block. If a shared block is +unmapped, the reference count records are updated to reflect the decreased +refcount and the block is also freed if its reference count becomes zero. This +enables users to create space efficient clones of disk images and to copy +filesystem subtrees quickly, using the standard Linux coreutils packages. + +Deduplication employs the same mechanism to share blocks and copy them at write +time. However, the kernel confirms that the contents of both files are +identical before updating the destination file's mapping. This enables XFS to +be used by userspace deduplication programs such as +duperemove+. diff --git a/design/XFS_Filesystem_Structure/rmapbt.asciidoc b/design/XFS_Filesystem_Structure/rmapbt.asciidoc index a8a210b..0ec72c1 100644 --- a/design/XFS_Filesystem_Structure/rmapbt.asciidoc +++ b/design/XFS_Filesystem_Structure/rmapbt.asciidoc @@ -53,6 +53,8 @@ absolute inode number, but can also correspond to one of the following: | +XFS_RMAP_OWN_AG+ | Per-allocation group B+tree blocks. This means free space B+tree blocks, blocks on the freelist, and reverse-mapping B+tree blocks. | +XFS_RMAP_OWN_INOBT+ | Per-allocation group inode B+tree blocks. This includes free inode B+tree blocks. | +XFS_RMAP_OWN_INODES+ | Inode chunks +| +XFS_RMAP_OWN_REFC+ | Per-allocation group refcount B+tree blocks. This will be used for reflink support. +| +XFS_RMAP_OWN_COW+ | Blocks that have been reserved for a copy-on-write operation that has not completed. |===== *rm_fork*:: diff --git a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc index 1b8658d..7916fbe 100644 --- a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc +++ b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc @@ -48,6 +48,8 @@ include::overview.asciidoc[] include::metadata_integrity.asciidoc[] +include::reflink.asciidoc[] + include::reconstruction.asciidoc[] include::common_types.asciidoc[] @@ -70,6 +72,8 @@ include::allocation_groups.asciidoc[] include::rmapbt.asciidoc[] +include::refcountbt.asciidoc[] + include::journaling_log.asciidoc[] include::internal_inodes.asciidoc[] From darrick.wong@oracle.com Thu Jun 16 20:48:55 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 92DCF85A0 for ; Thu, 16 Jun 2016 20:48:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4E7448F8054 for ; Thu, 16 Jun 2016 18:48:55 -0700 (PDT) X-ASG-Debug-ID: 1466128117-04bdf01e10968d0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id bK5t8WKJCkIKCMej (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 18:48:37 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H1maHa027648 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:36 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H1mZwF023599 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 01:48:35 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H1mZfZ005590; Fri, 17 Jun 2016 01:48:35 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 18:48:34 -0700 Subject: [PATCH 4/6] xfsdocs: move the discussions of short and long format btrees to a separate chapter From: "Darrick J. Wong" X-ASG-Orig-Subj: [PATCH 4/6] xfsdocs: move the discussions of short and long format btrees to a separate chapter To: david@fromorbit.com, darrick.wong@oracle.com Cc: xfs@oss.sgi.com Date: Thu, 16 Jun 2016 18:48:33 -0700 Message-ID: <146612811355.25586.2303327639177399141.stgit@birch.djwong.org> In-Reply-To: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> References: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466128117 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 14274 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Move the discussion of short and long format btrees into a separate chapter. Signed-off-by: Darrick J. Wong --- .../allocation_groups.asciidoc | 59 ------ design/XFS_Filesystem_Structure/btrees.asciidoc | 200 ++++++++++++++++++++ .../XFS_Filesystem_Structure/data_extents.asciidoc | 71 ------- .../xfs_filesystem_structure.asciidoc | 2 4 files changed, 206 insertions(+), 126 deletions(-) create mode 100644 design/XFS_Filesystem_Structure/btrees.asciidoc diff --git a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc index 0633175..55bbc50 100644 --- a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc +++ b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc @@ -612,65 +612,6 @@ Checksum of the AGF sector. *agf_spare2*:: Empty space in the unlogged part of the AGF sector. -[[Short_Format_Btrees]] -=== Short Format B+trees - -Each allocation group uses a ``short format'' B+tree to index various -information about the allocation group. The structure is called short format -because all block pointers are AG block numbers. The trees use the following -header: - -[source, c] ----- -struct xfs_btree_sblock { - __be32 bb_magic; - __be16 bb_level; - __be16 bb_numrecs; - __be32 bb_leftsib; - __be32 bb_rightsib; - - /* version 5 filesystem fields start here */ - __be64 bb_blkno; - __be64 bb_lsn; - uuid_t bb_uuid; - __be32 bb_owner; - __le32 bb_crc; -}; ----- - -*bb_magic*:: -Specifies the magic number for the per-AG B+tree block. - -*bb_level*:: -The level of the tree in which this block is found. If this value is 0, this -is a leaf block and contains records; otherwise, it is a node block and -contains keys and pointers. - -*bb_numrecs*:: -Number of records in this block. - -*bb_leftsib*:: -AG block number of the left sibling of this B+tree node. - -*bb_rightsib*:: -AG block number of the right sibling of this B+tree node. - -*bb_blkno*:: -FS block number of this B+tree block. - -*bb_lsn*:: -Log sequence number of the last write to this block. - -*bb_uuid*:: -The UUID of this block, which must match either +sb_uuid+ or +sb_meta_uuid+ -depending on which features are set. - -*bb_owner*:: -The AG number that this B+tree block ought to be in. - -*bb_crc*:: -Checksum of the B+tree block. - [[AG_Free_Space_Btrees]] === AG Free Space B+trees diff --git a/design/XFS_Filesystem_Structure/btrees.asciidoc b/design/XFS_Filesystem_Structure/btrees.asciidoc new file mode 100644 index 0000000..c67669c --- /dev/null +++ b/design/XFS_Filesystem_Structure/btrees.asciidoc @@ -0,0 +1,200 @@ += B+trees + +XFS uses b+trees to index all metadata records. This well known data structure +is used to provide efficient random and sequential access to metadata records +while minimizing seek times. There are two btree formats: a short format +for records pertaining to a single allocation group, since all block pointers +in an AG are 32-bits in size; and a long format for records pertaining to a +file, since file data can have 64-bit block offsets. Each b+tree block is +either a leaf node containing records, or an internal node containing keys and +pointers to other b+tree blocks. The tree consists of a root block which may +point to some number of other blocks; blocks in the bottom level of the b+tree +contains only records. + +Leaf blocks of both types of b+trees have the same general format: a header +describing the data in the block, and an array of records. The specific header +formats are given in the next two sections, and the record format is provided +by the b+tree client itself. The generic b+tree code does not have any +specific knowledge of the record format. + +---- ++--------+------------+------------+ +| header | record | records... | ++--------+------------+------------+ +---- + +Internal node blocks of both types of b+trees also have the same general +format: a header describing the data in the block, an array of keys, and an +array of pointers. Each pointer may be associated with one or two keys. The +first key uniquely identifies the first record accessible via the leftmost path +down the branch of the tree. + +If the records in a b+tree are indexed by an interval, then a range of keys can +uniquely identify a single record. For example, if a record covers blocks +12-16, then any one of the keys 12, 13, 14, 15, or 16 return the same record. +In this case, the key for the record describing "12-16" is 12. If none of the +records overlap, we only need to store one key. + +This is the format of a standard b+tree node: + +---- ++--------+---------+---------+---------+---------+ +| header | key | keys... | ptr | ptrs... | ++--------+---------+---------+---------+---------+ +---- + +If the b+tree records do not overlap, performing a b+tree lookup is simple. +Start with the root. If it is a leaf block, perform a binary search of the +records until we find the record with a lower key than our search key. If the +block is a node block, perform a binary search of the keys until we find a +key lower than our search key, then follow the pointer to the next block. +Repeat until we find a record. + +However, if b+tree records contain intervals and are allowed to overlap, the +internal nodes of the b+tree become larger: + +---- ++--------+---------+----------+---------+-------------+---------+---------+ +| header | low key | high key | low key | high key... | ptr | ptrs... | ++--------+---------+----------+---------+-------------+---------+---------+ +---- + +The low keys are exactly the same as the keys in the non-overlapping b+tree. +High keys, however, are a little different. Recall that a record with a key +consisting of an interval can be referenced by a number of keys. Since the low +key of a record indexes the low end of that key range, the high key indexes the +high end of the key range. Returning to the example above, the high key for +the record describing "12-16" is 16. The high key recorded in a b+tree node +is the largest of the high keys of all records accessible under the subtree +rooted by the pointer. For a level 1 node, this is the largest high key in +the pointed-to leaf node; for any other node, this is the largest of the high +keys in the pointed-to node. + +Nodes and leaves use the same magic numbers. + +[[Short_Format_Btrees]] +== Short Format B+trees + +Each allocation group uses a ``short format'' B+tree to index various +information about the allocation group. The structure is called short format +because all block pointers are AG block numbers. The trees use the following +header: + +[source, c] +---- +struct xfs_btree_sblock { + __be32 bb_magic; + __be16 bb_level; + __be16 bb_numrecs; + __be32 bb_leftsib; + __be32 bb_rightsib; + + /* version 5 filesystem fields start here */ + __be64 bb_blkno; + __be64 bb_lsn; + uuid_t bb_uuid; + __be32 bb_owner; + __le32 bb_crc; +}; +---- + +*bb_magic*:: +Specifies the magic number for the per-AG B+tree block. + +*bb_level*:: +The level of the tree in which this block is found. If this value is 0, this +is a leaf block and contains records; otherwise, it is a node block and +contains keys and pointers. + +*bb_numrecs*:: +Number of records in this block. + +*bb_leftsib*:: +AG block number of the left sibling of this B+tree node. + +*bb_rightsib*:: +AG block number of the right sibling of this B+tree node. + +*bb_blkno*:: +FS block number of this B+tree block. + +*bb_lsn*:: +Log sequence number of the last write to this block. + +*bb_uuid*:: +The UUID of this block, which must match either +sb_uuid+ or +sb_meta_uuid+ +depending on which features are set. + +*bb_owner*:: +The AG number that this B+tree block ought to be in. + +*bb_crc*:: +Checksum of the B+tree block. + +[[Long_Format_Btrees]] +== Long Format B+trees + +If an inode's block map requires more records than fit into the inode's fork +area, it will use a b+tree to index the records. The nodes and leaves of this +B+tree use the +xfs_btree_lblock+ declaration: + +[source, c] +---- +struct xfs_btree_lblock { + __be32 bb_magic; + __be16 bb_level; + __be16 bb_numrecs; + __be64 bb_leftsib; + __be64 bb_rightsib; + + /* version 5 filesystem fields start here */ + __be64 bb_blkno; + __be64 bb_lsn; + uuid_t bb_uuid; + __be64 bb_owner; + __le32 bb_crc; + __be32 bb_pad; +}; +---- + +*bb_magic*:: +Specifies the magic number for the BMBT block: ``BMAP'' (0x424d4150). +On a v5 filesystem, this is ``BMA3'' (0x424d4133). + +*bb_level*:: +The level of the tree in which this block is found. If this value is 0, this +is a leaf block and contains records; otherwise, it is a node block and +contains keys and pointers. + +*bb_numrecs*:: +Number of records in this block. + +*bb_leftsib*:: +FS block number of the left sibling of this B+tree node. + +*bb_rightsib*:: +FS block number of the right sibling of this B+tree node. + +*bb_blkno*:: +FS block number of this B+tree block. + +*bb_lsn*:: +Log sequence number of the last write to this block. + +*bb_uuid*:: +The UUID of this block, which must match either +sb_uuid+ or +sb_meta_uuid+ +depending on which features are set. + +*bb_owner*:: +The AG number that this B+tree block ought to be in. + +*bb_crc*:: +Checksum of the B+tree block. + +*bb_pad*:: +Pads the structure to 64 bytes. + +// force-split the lists + +* Long format b+trees are rooted in an inode, not a separate block. + diff --git a/design/XFS_Filesystem_Structure/data_extents.asciidoc b/design/XFS_Filesystem_Structure/data_extents.asciidoc index a39045d..530406d 100644 --- a/design/XFS_Filesystem_Structure/data_extents.asciidoc +++ b/design/XFS_Filesystem_Structure/data_extents.asciidoc @@ -203,9 +203,10 @@ u.bmx[0-1] = [startoff,startblock,blockcount,extentflag] [[Btree_Extent_List]] == B+tree Extent List -To manage extent maps that cannot fit in the inode fork area, XFS uses long -format B+trees. The root node of the B+tree is stored in the inode's data -fork. All block pointers for extent B+trees are 64-bit absolute block numbers. +To manage extent maps that cannot fit in the inode fork area, XFS uses +xref:Long_Format_Btrees[long format B+trees]. The root node of the B+tree is +stored in the inode's data fork. All block pointers for extent B+trees are +64-bit absolute block numbers. For a single level B+tree, the root node points to the B+tree's leaves. Each leaf occupies one filesystem block and contains a header and an array of extents @@ -242,70 +243,6 @@ standard 256 byte inode before a new level of nodes is added between the root and the leaves. This will be less if +di_forkoff+ is not zero (i.e. attributes are in use on the inode). -[[Long_Format_Btrees]] -=== Long Format B+trees - -The subsequent nodes and leaves of the B+tree use the +xfs_btree_lblock+ -declaration: - -[source, c] ----- -struct xfs_btree_lblock { - __be32 bb_magic; - __be16 bb_level; - __be16 bb_numrecs; - __be64 bb_leftsib; - __be64 bb_rightsib; - - /* version 5 filesystem fields start here */ - __be64 bb_blkno; - __be64 bb_lsn; - uuid_t bb_uuid; - __be64 bb_owner; - __le32 bb_crc; - __be32 bb_pad; -}; ----- - -*bb_magic*:: -Specifies the magic number for the BMBT block: ``BMAP'' (0x424d4150). -On a v5 filesystem, this is ``BMA3'' (0x424d4133). - -*bb_level*:: -The level of the tree in which this block is found. If this value is 0, this -is a leaf block and contains records; otherwise, it is a node block and -contains keys and pointers. - -*bb_numrecs*:: -Number of records in this block. - -*bb_leftsib*:: -FS block number of the left sibling of this B+tree node. - -*bb_rightsib*:: -FS block number of the right sibling of this B+tree node. - -*bb_blkno*:: -FS block number of this B+tree block. - -*bb_lsn*:: -Log sequence number of the last write to this block. - -*bb_uuid*:: -The UUID of this block, which must match either +sb_uuid+ or +sb_meta_uuid+ -depending on which features are set. - -*bb_owner*:: -The AG number that this B+tree block ought to be in. - -*bb_crc*:: -Checksum of the B+tree block. - -*bb_pad*:: -Pads the structure to 64 bytes. - -// force-split the lists - * For intermediate nodes, the data following +xfs_btree_lblock+ is the same as the root node: array of +xfs_bmbt_key+ value followed by an array of +xfs_bmbt_ptr_t+ values that starts halfway through the block (offset 0x808 for diff --git a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc index f580aab..62502b3 100644 --- a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc +++ b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc @@ -62,6 +62,8 @@ Global Structures :leveloffset: 1 +include::btrees.asciidoc[] + include::allocation_groups.asciidoc[] include::journaling_log.asciidoc[] From darrick.wong@oracle.com Thu Jun 16 21:09:54 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5B87884B8 for ; Thu, 16 Jun 2016 21:09:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2BCA48F804B for ; Thu, 16 Jun 2016 19:09:51 -0700 (PDT) X-ASG-Debug-ID: 1466129388-04cb6c542658ea0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 18abdPaxsujvRKSM (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 19:09:48 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H29i0P032346 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 02:09:45 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H29iUX025498 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 02:09:44 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5H29hTB012822; Fri, 17 Jun 2016 02:09:44 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 19:09:43 -0700 Date: Thu, 16 Jun 2016 19:09:42 -0700 From: "Darrick J. Wong" To: Vishal Verma Cc: linux-nvdimm@ml01.01.org, xfs@oss.sgi.com, Jan Kara Subject: Re: [RFC PATCH 0/2] Initial support for badblock checking in xfs Message-ID: <20160617020942.GB11810@birch.djwong.org> X-ASG-Orig-Subj: Re: [RFC PATCH 0/2] Initial support for badblock checking in xfs References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466129388 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2726 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30506 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Thu, Jun 16, 2016 at 07:03:37PM -0600, Vishal Verma wrote: > These are early/RFC patches to add badblock support in xfs. > > Patch 1 should be relatively straightforward - it adds a notifier chain > to badblocks that filesystems can register with. > > Patch 2 is the beginnings of xfs support. So far, I have the notifier > registration and building the initial badblock list happening in > xfs_mountfs. The next steps (and I may need some help with this as I'm > no (x)fs developer :)) are to add this badblocks info to the reverse > mapping tree, and then to check for it before accessing the media. > > Right now, this just prints the sector numbers/counts/{added, removed} > to the kernel log, for both the initial list, and subsequent notifier > hits. > > While I've tested this with a fake pmem device using libnvdimm's > nfit_test framework, it should also work using badblock injection with > any block device: > > # mkfs.xfs -f /dev/ > # echo 122 1 > /sys/block//badblocks > # echo 124 1 > /sys/block//badblocks > # mount -t xfs /dev/ /mnt > ... in log: > [ +8.803776] XFS (pmem7): Mounting V4 Filesystem > [ +0.009633] XFS (pmem7): Ending clean mount > [ +0.001655] XFS (pmem7): got badblocks: sector 122, count 1 > [ +0.002018] XFS (pmem7): got badblocks: sector 124, count 1 > > # echo 132 5 | > /sys/block//badblocks > [Jun16 18:56] XFS (pmem7): xfs badblock added sector 132 (count 5) > > This is all based on Darrik's rmap work at: > https://github.com/djwong/linux/tree/rmap-reflink-devel > > Since this is based on a v4.5-rc kernel, it lacks pmem support for > clearing badblocks on zeroing/writing, so those parts can't easily > be tested yet. The clearing work is in 4.7-rs kernels, and once we > rebase to that, that should also be available. I'm assuming you got at least a few of the 300 patches I just sent. IOW: The whole kit and kaboodle have been rebased to for-next, which means the kernel patches are based on 4.7-rc3. Will have a look at the other patches. :) --D > > > Vishal Verma (2): > block, badblocks: add a notifier for badblocks > xfs: initial/partial support for badblocks > > block/badblocks.c | 79 +++++++++++++++++++++++++++++++++-- > fs/xfs/xfs_linux.h | 1 + > fs/xfs/xfs_mount.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++ > fs/xfs/xfs_mount.h | 1 + > include/linux/badblocks.h | 19 +++++++++ > 5 files changed, 201 insertions(+), 3 deletions(-) > > -- > 2.5.5 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Thu Jun 16 21:26:21 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FRT_FOLLOW1,T_FRT_FOLLOW2, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 261FC7EA2 for ; Thu, 16 Jun 2016 21:26:21 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id DC6A4304039 for ; Thu, 16 Jun 2016 19:26:17 -0700 (PDT) X-ASG-Debug-ID: 1466130374-04cbb01fec6be70001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Is5xAGbMZQNsfqQG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 16 Jun 2016 19:26:15 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5H2QBCG023462 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 02:26:11 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5H2QAlA015570 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 02:26:11 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5H2Q8Wa026397; Fri, 17 Jun 2016 02:26:09 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jun 2016 19:26:08 -0700 Date: Thu, 16 Jun 2016 19:26:06 -0700 From: "Darrick J. Wong" To: Vishal Verma Cc: linux-nvdimm@ml01.01.org, xfs@oss.sgi.com, Jan Kara Subject: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks Message-ID: <20160617022606.GC11810@birch.djwong.org> X-ASG-Orig-Subj: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> <1466125419-17736-3-git-send-email-vishal.l.verma@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466125419-17736-3-git-send-email-vishal.l.verma@intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466130375 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7234 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30507 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Thu, Jun 16, 2016 at 07:03:39PM -0600, Vishal Verma wrote: > RFC/WIP commit. > > This adds the foollowing: > 1. In xfs_mountfs(), get an initial badblocks list from gendisk's > badblocks infrastructure. > 2. Register with the badblocks notifier to get updates for this disk's > badblocks > > TODO: > 1. Add badblocks info to the reverse mapping tree (and remove if a > badblock was cleared). Well... there are a number of things we /could/ do... theoretically one could use the rmap info to find all the affected inodes and simply convert that part of their extent trees to 'unwritten'. Reads will just get zeroes, and writes will remove the unwritten flag (for that file, anyway). Will a successful write trigger the BB_CLEAR notifier? I guess you could punch out the bad blocks too... not clear if you'd want all the owner files staying mapped to data they'll never get back. We could also create another rmap "special owner" (XFS_RMAP_OWN_BAD?) for bad blocks, so we'd know which parts are just plain bad. It might be useful to know that kind of thing. I think earlier Dave was talking about adding a new 'badblocks' bit to both the file extent records and the rmap records to signify that something's wrong with the extent. I'll let him write about that. > 2. Before doing file IO, refer the rmap/badblocks to error out early if > the IO will attempt wo read a bad sector > 3. Figure out interactions with mmap/DAX. Woot. > Cc: Darrick J. Wong > Cc: Dave Chinner > Signed-off-by: Vishal Verma > --- > fs/xfs/xfs_linux.h | 1 + > fs/xfs/xfs_mount.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > fs/xfs/xfs_mount.h | 1 + > 3 files changed, 106 insertions(+) > > diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h > index 7e749be..f66d181 100644 > --- a/fs/xfs/xfs_linux.h > +++ b/fs/xfs/xfs_linux.h > @@ -78,6 +78,7 @@ typedef __u32 xfs_nlink_t; > #include > #include > #include > +#include > > #include > #include > diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c > index 5e68b2c..1a47737 100644 > --- a/fs/xfs/xfs_mount.c > +++ b/fs/xfs/xfs_mount.c > @@ -618,6 +618,96 @@ xfs_default_resblks(xfs_mount_t *mp) > return resblks; > } > > +STATIC int > +xfs_notifier_call( > + struct notifier_block *nb, > + unsigned long action, > + void *data) > +{ > + struct bb_notifier_data *bb_data = data; > + struct xfs_mount *mp; > + > + mp = container_of(nb, struct xfs_mount, m_badblocks_nb); > + /* TODO xfs_add_bb_to_rmap(mp, bb_data->sector, bb_data->count); */ > + xfs_warn(mp, "xfs badblock %s sector %lu (count %d)\n", > + (action == BB_ADD)?"added":"cleared", > + bb_data->sector, bb_data->count); > + return 0; Probably a xfs_rmapbt_query_range here? > +} > + > +STATIC int > +xfs_init_badblocks(struct xfs_mount *mp) > +{ > + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; > + int done = 0, error = 0; > + ssize_t len, off = 0; > + char *p; > + > + /* > + * TODO: get a list of known badblocks so far and process it. > + * Can we just parse the sysfs format that badblocks_show() > + * returns? That should be the fastest way to get this. > + * Something like: (Is this too hacky? Should we just do > + * badblocks_check() in a (rather large) loop?) > + */ > + p = kzalloc(PAGE_SIZE, GFP_KERNEL); > + len = badblocks_show(bb, p, 0); > + while (len) { > + int count, n; > + sector_t s; > + > + /* > + * The sysfs badblocks format is multiple lines of: > + * " " > + */ > + n = sscanf(p + off, "%lu %d\n%n", &s, &count, &done); Ick, there's got to be a better way to iterate the badblocks list than this. It would be very nice to have a single function that deals with a change in badness status, which would be called by both the notifier and the badblocks iterator. > + if (n < 2 || done < 3) { > + error = -1; > + break; > + } > + off += done; > + len -= done; > + xfs_warn(mp, "got badblocks: sector %ld, count %d", s, count); > + /* TODO xfs_add_bb_to_rmap(mp, s, count); */ > + } > + kfree(p); > + if (error) > + return error; > + > + mp->m_badblocks_nb.notifier_call = xfs_notifier_call; > + error = bb_notifier_register(bb, &mp->m_badblocks_nb); > + if (error) > + return error; > + > + /* > + * TODO: There is probably a TOCTOU race hiding here - what if the > + * badblocks list gets updated before we register for notifications.. > + * Can likely be solved by registering for notifications _first_ (the > + * above xfs_add_bb_to_rmap function has to be ready to accept new > + * blocks), then querying for the initial list (there could be overlap > + * here, shich the above function could handle), and then setting the > + * mount flag below. > + */ (Yeah, pretty much. :)) > + > + /* > + * TODO: set some flag (mount flag?) in xfs so that xfs knows > + * it will be doing error checking, and can possibly, later, > + * tell the block layer (possibly using a REQ_ flag in its IO > + * requests) not to do further badblock checking for those IOs. > + */ > + > + /* mp->m_flags |= XFS_MOUNT_FS_BADBLOCKS; */ > + return 0; > +} > + > +STATIC void > +xfs_badblocks_unmount(struct xfs_mount *mp) > +{ > + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; > + > + bb_notifier_unregister(bb, &mp->m_badblocks_nb); > +} > + > /* > * This function does the following on an initial mount of a file system: > * - reads the superblock from disk and init the mount struct > @@ -955,6 +1045,19 @@ xfs_mountfs( > } > > /* > + * Register with the badblocks notifier chain > + */ > + error = xfs_init_badblocks(mp); > + if (error) { > + xfs_warn(mp, "Unable to register to badblocks notifications\n"); > + /* > + * TODO is this a hard error or can we simply > + * warn and continue? > + */ > + goto out_rtunmount; > + } > + > + /* > * Now we are mounted, reserve a small amount of unused space for > * privileged transactions. This is needed so that transaction > * space required for critical operations can dip into this pool > @@ -1085,6 +1188,7 @@ xfs_unmountfs( > xfs_log_unmount(mp); > xfs_da_unmount(mp); > xfs_uuid_unmount(mp); > + xfs_badblocks_unmount(mp); > > #if defined(DEBUG) > xfs_errortag_clearall(mp, 0); > diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h > index 0ca9244..f0d1111 100644 > --- a/fs/xfs/xfs_mount.h > +++ b/fs/xfs/xfs_mount.h > @@ -139,6 +139,7 @@ typedef struct xfs_mount { > /* low free space thresholds */ > struct xfs_kobj m_kobj; > struct xstats m_stats; /* per-fs stats */ > + struct notifier_block m_badblocks_nb; /* disk badblocks notifier */ > > struct workqueue_struct *m_buf_workqueue; > struct workqueue_struct *m_data_workqueue; > -- > 2.5.5 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 06:32:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 346B67CAF for ; Fri, 17 Jun 2016 06:32:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 03B72304039 for ; Fri, 17 Jun 2016 04:32:27 -0700 (PDT) X-ASG-Debug-ID: 1466163145-04cb6c542563180001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id 4xkZvMFRWCAGMvva (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 04:32:26 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDs0d-0005Cz-QV; Fri, 17 Jun 2016 11:32:23 +0000 Date: Fri, 17 Jun 2016 04:32:23 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 001/119] vfs: fix return type of ioctl_file_dedupe_range Message-ID: <20160617113223.GA19042@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 001/119] vfs: fix return type of ioctl_file_dedupe_range References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612627940.12839.15145788608361492501.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612627940.12839.15145788608361492501.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466163146 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 329 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Jun 16, 2016 at 06:17:59PM -0700, Darrick J. Wong wrote: > All the VFS functions in the dedupe ioctl path return int status, so > the ioctl handler ought to as well. > > Found by Coverity, CID 1350952. > > Signed-off-by: Darrick J. Wong This should go out to Al as a separate patch. From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 06:33:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BB7767CB7 for ; Fri, 17 Jun 2016 06:33:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 45FEBAC004 for ; Fri, 17 Jun 2016 04:33:17 -0700 (PDT) X-ASG-Debug-ID: 1466163195-04bdf01e10a9f30001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id muzc3kkTupQslAxM (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 04:33:16 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDs1S-0005J7-4V; Fri, 17 Jun 2016 11:33:14 +0000 Date: Fri, 17 Jun 2016 04:33:14 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 003/119] xfs: check offsets of variable length structures Message-ID: <20160617113314.GB19042@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 003/119] xfs: check offsets of variable length structures References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612629195.12839.14090954204243398929.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612629195.12839.14090954204243398929.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466163195 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 494 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Jun 16, 2016 at 06:18:12PM -0700, Darrick J. Wong wrote: > Some of the directory/attr structures contain variable-length objects, > so the enclosing structure doesn't have a meaningful fixed size at > compile time. We can check the offsets of the members before the > variable-length member, so do those. > > Signed-off-by: Darrick J. Wong Looks fine, and should go in independently of the rmap work: Reviewed-by: Christoph Hellwig From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 06:34:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4EF147CAF for ; Fri, 17 Jun 2016 06:34:28 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id B9901AC002 for ; Fri, 17 Jun 2016 04:34:27 -0700 (PDT) X-ASG-Debug-ID: 1466163265-04cbb01fee7cac0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id teZg9C4Cok9J3ZEW (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 04:34:25 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDs2Z-0005Ow-ET; Fri, 17 Jun 2016 11:34:23 +0000 Date: Fri, 17 Jun 2016 04:34:23 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 004/119] xfs: enable buffer deadlock postmortem diagnosis via ftrace Message-ID: <20160617113423.GC19042@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 004/119] xfs: enable buffer deadlock postmortem diagnosis via ftrace References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612629822.12839.7938642541078923297.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612629822.12839.7938642541078923297.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466163265 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 642 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c > index efa2a73..2333db7 100644 > --- a/fs/xfs/xfs_buf.c > +++ b/fs/xfs/xfs_buf.c > @@ -947,7 +947,8 @@ xfs_buf_trylock( > if (locked) > XB_SET_OWNER(bp); > > - trace_xfs_buf_trylock(bp, _RET_IP_); > + locked ? trace_xfs_buf_trylock(bp, _RET_IP_) : > + trace_xfs_buf_trylock_fail(bp, _RET_IP_); > return locked; I think this should be something like: if (locked) { XB_SET_OWNER(bp); trace_xfs_buf_trylock(bp, _RET_IP_); } else { trace_xfs_buf_trylock_fail(bp, _RET_IP_); } otherwise this looks good and can go in without the rest of the series. From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 06:34:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C26EE7CAF for ; Fri, 17 Jun 2016 06:34:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 962BE8F8035 for ; Fri, 17 Jun 2016 04:34:45 -0700 (PDT) X-ASG-Debug-ID: 1466163283-04cbb01fec7cb20001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id ywWiZx66wEvTBrGe (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 04:34:44 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDs2s-0005QI-Ey; Fri, 17 Jun 2016 11:34:42 +0000 Date: Fri, 17 Jun 2016 04:34:42 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 005/119] xfs: check for a valid error_tag in errortag_add Message-ID: <20160617113442.GD19042@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 005/119] xfs: check for a valid error_tag in errortag_add References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612630452.12839.3528211000490660021.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612630452.12839.3528211000490660021.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466163284 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 474 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Jun 16, 2016 at 06:18:24PM -0700, Darrick J. Wong wrote: > Currently we don't check the error_tag when someone's trying to set up > error injection testing. If userspace passes in a value we don't know > about, send back an error. This will help xfstests to _notrun a test > that uses error injection to test things like log replay. > > Signed-off-by: Darrick J. Wong Looks fine, Reviewed-by: Christoph Hellwig From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 06:39:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8C79C7CD3 for ; Fri, 17 Jun 2016 06:39:38 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5F8A18F8035 for ; Fri, 17 Jun 2016 04:39:38 -0700 (PDT) X-ASG-Debug-ID: 1466163576-04cbb01fec7cd20001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id XFmqbs3OlO77NmSJ (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 04:39:36 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDs7Z-0007JG-9L; Fri, 17 Jun 2016 11:39:33 +0000 Date: Fri, 17 Jun 2016 04:39:33 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, Christoph Hellwig , Dave Chinner Subject: Re: [PATCH 007/119] xfs: rearrange xfs_bmap_add_free parameters Message-ID: <20160617113933.GE19042@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 007/119] xfs: rearrange xfs_bmap_add_free parameters References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612631720.12839.5804944531874278200.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612631720.12839.5804944531874278200.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466163576 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 220 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Jun 16, 2016 at 06:18:37PM -0700, Darrick J. Wong wrote: > This is already in xfsprogs' libxfs, so port it to the kernel. Oh well, this is something that should have gone into the kernel at the same time.. From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 06:41:21 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 33B587CD3 for ; Fri, 17 Jun 2016 06:41:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C0B74AC001 for ; Fri, 17 Jun 2016 04:41:20 -0700 (PDT) X-ASG-Debug-ID: 1466163679-04bdf01e10aa210001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id Gg5RVHS8Sx9lxwQ5 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 04:41:19 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDs9G-0000MJ-0X; Fri, 17 Jun 2016 11:41:18 +0000 Date: Fri, 17 Jun 2016 04:41:17 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE Message-ID: <20160617114117.GF19042@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612628567.12839.3246258786290141903.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612628567.12839.3246258786290141903.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466163679 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 502 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Thu, Jun 16, 2016 at 06:18:05PM -0700, Darrick J. Wong wrote: > Introduce XFLAGs for the new XFS reflink inode flag and the CoW extent > size hint, and actually plumb the CoW extent size hint into the fsxattr > structure. > > Signed-off-by: Darrick J. Wong Should go behind all the updates that are useful without any new rmap or reflink functionality. In fact it would be great if you could send out a series with just those little fixes and cleanups first. From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 06:52:09 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E0EE87CEE for ; Fri, 17 Jun 2016 06:52:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id A36D230404E for ; Fri, 17 Jun 2016 04:52:09 -0700 (PDT) X-ASG-Debug-ID: 1466164327-04cbb01fee7d060001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id 9Y0LXDzysA1v9YGG (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 04:52:07 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDsJg-0005Z1-8V; Fri, 17 Jun 2016 11:52:04 +0000 Date: Fri, 17 Jun 2016 04:52:04 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 008/119] xfs: separate freelist fixing into a separate helper Message-ID: <20160617115204.GG19042@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 008/119] xfs: separate freelist fixing into a separate helper References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612632363.12839.15504324533944246285.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612632363.12839.15504324533944246285.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466164327 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 822 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > +/* Ensure that the freelist is at full capacity. */ > +int > +xfs_free_extent_fix_freelist( > + struct xfs_trans *tp, > + xfs_agnumber_t agno, > + struct xfs_buf **agbp) > { > - xfs_alloc_arg_t args; > - int error; > + xfs_alloc_arg_t args; Use struct xfs_alloc_arg if you change this anyway. > + int error; > > - ASSERT(len != 0); > memset(&args, 0, sizeof(xfs_alloc_arg_t)); Same here. > - if (args.agbno + len > > - be32_to_cpu(XFS_BUF_TO_AGF(args.agbp)->agf_length)) { > - error = -EFSCORRUPTED; > - goto error0; > - } > + XFS_WANT_CORRUPTED_GOTO(mp, > + agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length), > + err); This introduces an overly long line. But except for these nitpicks this looks fine: Reviewed-by: Christoph Hellwig From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 06:59:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1D8A87CEE for ; Fri, 17 Jun 2016 06:59:34 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id A6400AC004 for ; Fri, 17 Jun 2016 04:59:33 -0700 (PDT) X-ASG-Debug-ID: 1466164772-04bdf01e17aa650001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id Wj0ixaizj5BbezjP (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 04:59:32 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDsQs-0008Va-Dj; Fri, 17 Jun 2016 11:59:30 +0000 Date: Fri, 17 Jun 2016 04:59:30 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 009/119] xfs: convert list of extents to free into a regular list Message-ID: <20160617115930.GH19042@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 009/119] xfs: convert list of extents to free into a regular list References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612632997.12839.18026491074892368053.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612632997.12839.18026491074892368053.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466164772 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1517 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.70 X-Barracuda-Spam-Status: No, SCORE=0.70 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS > { > + struct xfs_bmap_free_item *new; /* new element */ > #ifdef DEBUG > xfs_agnumber_t agno; > xfs_agblock_t agbno; > @@ -597,17 +595,7 @@ xfs_bmap_add_free( > new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); > new->xbfi_startblock = bno; > new->xbfi_blockcount = (xfs_extlen_t)len; > + list_add(&new->xbfi_list, &flist->xbf_flist); > flist->xbf_count++; Please kill xbf_count while you're at it, it's entirely superflous. > @@ -617,14 +605,10 @@ xfs_bmap_add_free( > */ > void > xfs_bmap_del_free( > - xfs_bmap_free_t *flist, /* free item list header */ > - xfs_bmap_free_item_t *prev, /* previous item on list, if any */ > - xfs_bmap_free_item_t *free) /* list item to be freed */ > + struct xfs_bmap_free *flist, /* free item list header */ > + struct xfs_bmap_free_item *free) /* list item to be freed */ Which then also gets rid of the flist argument here. > @@ -634,17 +618,16 @@ xfs_bmap_del_free( > */ > void > xfs_bmap_cancel( > + struct xfs_bmap_free *flist) /* list of bmap_free_items */ > { > + struct xfs_bmap_free_item *free; /* free list item */ > > if (flist->xbf_count == 0) > return; > + while (!list_empty(&flist->xbf_flist)) { > + free = list_first_entry(&flist->xbf_flist, > + struct xfs_bmap_free_item, xbfi_list); while ((free = list_first_entry_or_null(...)) > + list_sort((*tp)->t_mountp, &flist->xbf_flist, xfs_bmap_free_list_cmp); Can you add a comment on why we are sorting the list? From hch@lst.de Fri Jun 17 07:01:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A6A1A7CEE for ; Fri, 17 Jun 2016 07:01:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 306FBAC002 for ; Fri, 17 Jun 2016 05:01:48 -0700 (PDT) X-ASG-Debug-ID: 1466164905-04bdf01e10aa720001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id otNConbVD6cQeX22 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 05:01:46 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id 9183D68C4F; Fri, 17 Jun 2016 14:01:44 +0200 (CEST) Date: Fri, 17 Jun 2016 14:01:44 +0200 From: Christoph Hellwig To: Jan Kara Cc: Christoph Hellwig , xfs@oss.sgi.com, rpeterso@redhat.com, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 02/14] fs: introduce iomap infrastructure Message-ID: <20160617120144.GA333@lst.de> X-ASG-Orig-Subj: Re: [PATCH 02/14] fs: introduce iomap infrastructure References: <1464792297-13185-1-git-send-email-hch@lst.de> <1464792297-13185-3-git-send-email-hch@lst.de> <20160616161242.GB2106@quack2.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160616161242.GB2106@quack2.suse.cz> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1466164906 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 187 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30515 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 16, 2016 at 06:12:42PM +0200, Jan Kara wrote: > This is actually in 512-byte units, not in fs blocks as the comment > suggests, right? Indeed, thanks for spotting this! From bfoster@redhat.com Fri Jun 17 07:16:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3CD357CA6 for ; Fri, 17 Jun 2016 07:16:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0DEE18F8035 for ; Fri, 17 Jun 2016 05:16:08 -0700 (PDT) X-ASG-Debug-ID: 1466165766-04cbb01fed7d970001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id SONsLSlX2AOB8Q9Y (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 05:16:07 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6899B8E3E5; Fri, 17 Jun 2016 12:16:06 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5HCG6Rr004923; Fri, 17 Jun 2016 08:16:06 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 19C88123469; Fri, 17 Jun 2016 08:16:05 -0400 (EDT) Date: Fri, 17 Jun 2016 08:16:05 -0400 From: Brian Foster To: Christoph Hellwig Cc: "Darrick J. Wong" , linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE Message-ID: <20160617121604.GB23661@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612628567.12839.3246258786290141903.stgit@birch.djwong.org> <20160617114117.GF19042@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617114117.GF19042@infradead.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Fri, 17 Jun 2016 12:16:06 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466165767 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1549 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Jun 17, 2016 at 04:41:17AM -0700, Christoph Hellwig wrote: > On Thu, Jun 16, 2016 at 06:18:05PM -0700, Darrick J. Wong wrote: > > Introduce XFLAGs for the new XFS reflink inode flag and the CoW extent > > size hint, and actually plumb the CoW extent size hint into the fsxattr > > structure. > > > > Signed-off-by: Darrick J. Wong > > Should go behind all the updates that are useful without any new > rmap or reflink functionality. In fact it would be great if you > could send out a series with just those little fixes and cleanups > first. > I'd take that a step further and suggest the entire series be split into independent feature series, as appropriate. Unless I'm missing something, I don't think there's any reason these all need to be bundled together. Further, my expectation is that they probably end up being merged as independent units, so I think it's easier for everybody for Darrick to carve that up on the logical boundaries rather than assume all reviewers and maintainer are going to do so consistently. Note that I'm not saying this has to be reposted.. I think I can pull off the rmap bits for the time being. I'm just suggesting that if a repost is required from this point forward for any of the logical subunits (deps, rmap, reflink, scrub), I'd suggest to post, version and changelog those units independently. Brian > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 17 10:07:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6C88D7CD2 for ; Fri, 17 Jun 2016 10:07:01 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3CF80304048 for ; Fri, 17 Jun 2016 08:06:58 -0700 (PDT) X-ASG-Debug-ID: 1466176016-04cb6c542767830001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id nNAxiZnZr16SVwAT (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 08:06:56 -0700 (PDT) X-Barracuda-Envelope-From: BATV+70a9152458e4a578216d+4681+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bDvMF-0006sH-1K; Fri, 17 Jun 2016 15:06:55 +0000 Date: Fri, 17 Jun 2016 08:06:55 -0700 From: Christoph Hellwig To: Brian Foster Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com, "Darrick J. Wong" Subject: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE Message-ID: <20160617150654.GA21627@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612628567.12839.3246258786290141903.stgit@birch.djwong.org> <20160617114117.GF19042@infradead.org> <20160617121604.GB23661@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617121604.GB23661@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466176016 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 529 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30518 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Fri, Jun 17, 2016 at 08:16:05AM -0400, Brian Foster wrote: > I'd take that a step further and suggest the entire series be split into > independent feature series, as appropriate. Yes, that's what I meant. I just didn't manage to get to the rest yet. > off the rmap bits for the time being. I'm just suggesting that if a > repost is required from this point forward for any of the logical > subunits (deps, rmap, reflink, scrub), I'd suggest to post, version and > changelog those units independently. Agreed. 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Fri, 17 Jun 2016 16:39:56 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5HGdsOw028470; Fri, 17 Jun 2016 16:39:54 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 17 Jun 2016 09:39:53 -0700 Date: Fri, 17 Jun 2016 09:39:52 -0700 From: "Darrick J. Wong" To: david@fromorbit.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Subject: [PATCH v2 11/20] xfs: inject errors at various parts of the deferred op completion Message-ID: <20160617163952.GE5740@birch.djwong.org> X-ASG-Orig-Subj: [PATCH v2 11/20] xfs: inject errors at various parts of the deferred op completion References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> <146612803133.25024.1931929844195025512.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612803133.25024.1931929844195025512.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466181603 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 63939 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30520 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Use the error injection mechanism to test log recovery of deferred work. v2: fix the tests to _require_scratch_reflink, since most of the deferred work is done on behalf of reflinky operations. Signed-off-by: Darrick J. Wong --- common/inject | 93 +++++++++++++++++++++++++++++++++++++++++++++ common/log | 28 ++++++++++++++ common/rc | 8 ++++ tests/xfs/857 | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/857.out | 18 +++++++++ tests/xfs/858 | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/858.out | 18 +++++++++ tests/xfs/859 | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/859.out | 18 +++++++++ tests/xfs/860 | 99 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/860.out | 16 ++++++++ tests/xfs/861 | 100 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/861.out | 16 ++++++++ tests/xfs/862 | 95 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/862.out | 16 ++++++++ tests/xfs/863 | 93 +++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/863.out | 15 +++++++ tests/xfs/864 | 97 +++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/864.out | 19 +++++++++ tests/xfs/865 | 95 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/865.out | 18 +++++++++ tests/xfs/866 | 94 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/866.out | 17 ++++++++ tests/xfs/867 | 97 +++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/867.out | 17 ++++++++ tests/xfs/868 | 94 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/868.out | 17 ++++++++ tests/xfs/869 | 101 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/869.out | 17 ++++++++ tests/xfs/870 | 95 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/870.out | 15 +++++++ tests/xfs/871 | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/871.out | 18 +++++++++ tests/xfs/group | 15 +++++++ 34 files changed, 1878 insertions(+) create mode 100644 common/inject create mode 100755 tests/xfs/857 create mode 100644 tests/xfs/857.out create mode 100755 tests/xfs/858 create mode 100644 tests/xfs/858.out create mode 100755 tests/xfs/859 create mode 100644 tests/xfs/859.out create mode 100755 tests/xfs/860 create mode 100644 tests/xfs/860.out create mode 100755 tests/xfs/861 create mode 100644 tests/xfs/861.out create mode 100755 tests/xfs/862 create mode 100644 tests/xfs/862.out create mode 100755 tests/xfs/863 create mode 100644 tests/xfs/863.out create mode 100755 tests/xfs/864 create mode 100644 tests/xfs/864.out create mode 100755 tests/xfs/865 create mode 100644 tests/xfs/865.out create mode 100755 tests/xfs/866 create mode 100644 tests/xfs/866.out create mode 100755 tests/xfs/867 create mode 100644 tests/xfs/867.out create mode 100755 tests/xfs/868 create mode 100644 tests/xfs/868.out create mode 100755 tests/xfs/869 create mode 100644 tests/xfs/869.out create mode 100755 tests/xfs/870 create mode 100644 tests/xfs/870.out create mode 100755 tests/xfs/871 create mode 100644 tests/xfs/871.out diff --git a/common/inject b/common/inject new file mode 100644 index 0000000..e666d6d --- /dev/null +++ b/common/inject @@ -0,0 +1,93 @@ +##/bin/bash +# Routines for injecting errors into filesystems +#----------------------------------------------------------------------- +# Copyright (c) 2016 Oracle. All Rights Reserved. +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +# USA +# +# Contact information: Oracle Corporation, 500 Oracle Parkway, +# Redwood Shores, CA 94065, USA, or: http://www.oracle.com/ +#----------------------------------------------------------------------- +. ./common/log + +# Tests whether $FSTYP is one of the filesystems that supports error injection +_require_error_injection() +{ + case "$FSTYP" in + "xfs") + grep -q 'debug 1' /proc/fs/xfs/stat || \ + _notrun "XFS error injection requires CONFIG_XFS_DEBUG" + ;; + *) + _notrun "Error injection not supported on filesystem type: $FSTYP" + esac +} + +# Requires that xfs_io inject command knows about this error type +_require_xfs_io_error_injection() +{ + type="$1" + _require_error_injection + + # NOTE: We can't actually test error injection here because xfs + # hasn't always range checked the argument to xfs_errortag_add. + # We also don't want to trip an error before we're ready to deal + # with it. + + $XFS_IO_PROG -x -c 'inject' $TEST_DIR | grep -q "$type" || \ + _notrun "XFS error injection $type unknown." +} + +# Inject an error into the test fs +_test_inject_error() +{ + type="$1" + + $XFS_IO_PROG -x -c "inject $type" $TEST_DIR +} + +# Inject an error into the scratch fs +_scratch_inject_error() +{ + type="$1" + + $XFS_IO_PROG -x -c "inject $type" $SCRATCH_MNT +} + +# Unmount and remount the scratch device, dumping the log +_scratch_inject_logprint() +{ + local opts="$1" + + if test -n "$opts"; then + opts="-o $opts" + fi + _scratch_unmount + _scratch_dump_log + _scratch_mount "$opts" +} + +# Unmount and remount the test device, dumping the log +_test_inject_logprint() +{ + local opts="$1" + + if test -n "$opts"; then + opts="-o $opts" + fi + _test_unmount + _test_dump_log + _test_mount "$opts" +} diff --git a/common/log b/common/log index cb687d2..44b9625 100644 --- a/common/log +++ b/common/log @@ -228,6 +228,34 @@ _scratch_f2fs_logstate() echo $? } +_scratch_dump_log() +{ + case "$FSTYP" in + xfs) + _scratch_xfs_logprint + ;; + f2fs) + $DUMP_F2FS_PROG $SCRATCH_DEV + ;; + *) + ;; + esac +} + +_test_dump_log() +{ + case "$FSTYP" in + xfs) + _test_xfs_logprint + ;; + f2fs) + $DUMP_F2FS_PROG $TEST_DEV + ;; + *) + ;; + esac +} + _print_logstate() { case "$FSTYP" in diff --git a/common/rc b/common/rc index 1648a8a..1225047 100644 --- a/common/rc +++ b/common/rc @@ -982,6 +982,14 @@ _scratch_xfs_logprint() $XFS_LOGPRINT_PROG $SCRATCH_OPTIONS $* $SCRATCH_DEV } +_test_xfs_logprint() +{ + TEST_OPTIONS="" + [ "$USE_EXTERNAL" = yes -a ! -z "$TEST_LOGDEV" ] && \ + TEST_OPTIONS="-l$TEST_LOGDEV" + $XFS_LOGPRINT_PROG $TEST_OPTIONS $* $TEST_DEV +} + _scratch_xfs_check() { SCRATCH_OPTIONS="" diff --git a/tests/xfs/857 b/tests/xfs/857 new file mode 100755 index 0000000..eff6e4d --- /dev/null +++ b/tests/xfs/857 @@ -0,0 +1,102 @@ +#! /bin/bash +# FS QA Test No. 857 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during block remap to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_xfs_io_error_injection "bmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "bmap_finish_one" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/857.out b/tests/xfs/857.out new file mode 100644 index 0000000..ecc8e04 --- /dev/null +++ b/tests/xfs/857.out @@ -0,0 +1,18 @@ +QA output created by 857 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +1e108771fba35e2f2961d1ad23efbff7 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/858 b/tests/xfs/858 new file mode 100755 index 0000000..c13733a --- /dev/null +++ b/tests/xfs/858 @@ -0,0 +1,102 @@ +#! /bin/bash +# FS QA Test No. 858 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during refcount updates to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_xfs_io_error_injection "refcount_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "refcount_finish_one" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/858.out b/tests/xfs/858.out new file mode 100644 index 0000000..f5302de --- /dev/null +++ b/tests/xfs/858.out @@ -0,0 +1,18 @@ +QA output created by 858 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/859 b/tests/xfs/859 new file mode 100755 index 0000000..96c3390 --- /dev/null +++ b/tests/xfs/859 @@ -0,0 +1,106 @@ +#! /bin/bash +# FS QA Test No. 859 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during rmap updates to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_error_injection +_require_xfs_io_error_injection "rmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +test $is_rmap -gt 0 || _notrun "rmap not supported on scratch fs" + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "rmap_finish_one" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/859.out b/tests/xfs/859.out new file mode 100644 index 0000000..b83e963 --- /dev/null +++ b/tests/xfs/859.out @@ -0,0 +1,18 @@ +QA output created by 859 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/860 b/tests/xfs/860 new file mode 100755 index 0000000..cec7509 --- /dev/null +++ b/tests/xfs/860 @@ -0,0 +1,99 @@ +#! /bin/bash +# FS QA Test No. 860 +# +# Reflink a file with a few dozen extents and CoW a few blocks. +# Inject an error during extent freeing to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_error_injection +_require_xfs_io_error_injection "free_extent" + +rm -f $seqres.full + +blksz=65536 +blks=4 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +$XFS_IO_PROG -c "cowextsize $sz" $SCRATCH_MNT + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_pwrite_byte 0x66 $((sz / 2)) $((sz / 2)) $SCRATCH_MNT/file2 >> $seqres.full +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file2 0 $((sz / 2)) >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "free_extent" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $sz" $SCRATCH_MNT/file1 >> $seqres.full +sync + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/860.out b/tests/xfs/860.out new file mode 100644 index 0000000..0a6d763 --- /dev/null +++ b/tests/xfs/860.out @@ -0,0 +1,16 @@ +QA output created by 860 +Format filesystem +Create files +Check files +cf41e243bf211225660f3fabe6db9eb6 SCRATCH_MNT/file1 +cf41e243bf211225660f3fabe6db9eb6 SCRATCH_MNT/file2 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +fe9070b9c9deb97ed53811efda5c4ad5 SCRATCH_MNT/file1 +cf41e243bf211225660f3fabe6db9eb6 SCRATCH_MNT/file2 +Done diff --git a/tests/xfs/861 b/tests/xfs/861 new file mode 100755 index 0000000..49d90bc --- /dev/null +++ b/tests/xfs/861 @@ -0,0 +1,100 @@ +#! /bin/bash +# FS QA Test No. 861 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Force XFS into "two refcount updates per transaction" mode. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_error_injection +_require_xfs_io_error_injection "refcount_continue_update" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "refcount_continue_update" + +echo "CoW all the blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $((blks * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/861.out b/tests/xfs/861.out new file mode 100644 index 0000000..d353526 --- /dev/null +++ b/tests/xfs/861.out @@ -0,0 +1,16 @@ +QA output created by 861 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW all the blocks +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/862 b/tests/xfs/862 new file mode 100755 index 0000000..167386c --- /dev/null +++ b/tests/xfs/862 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 862 +# +# Simulate rmap update errors with a file write and a file remove. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "rmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +test $is_rmap -gt 0 || _notrun "rmap not supported on scratch fs" + +echo "Create files" +touch $SCRATCH_MNT/file1 +_pwrite_byte 0x67 0 $sz $SCRATCH_MNT/file0 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file0 | _filter_scratch +md5sum $SCRATCH_MNT/file1 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "rmap_finish_one" + +echo "Write files" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $sz" $SCRATCH_MNT/file1 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file0 | _filter_scratch +md5sum $SCRATCH_MNT/file1 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/862.out b/tests/xfs/862.out new file mode 100644 index 0000000..1f6b47b --- /dev/null +++ b/tests/xfs/862.out @@ -0,0 +1,16 @@ +QA output created by 862 +Format filesystem +Create files +Check files +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file0 +d41d8cd98f00b204e9800998ecf8427e SCRATCH_MNT/file1 +Inject error +Write files +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file0 +d41d8cd98f00b204e9800998ecf8427e SCRATCH_MNT/file1 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/863 b/tests/xfs/863 new file mode 100755 index 0000000..5069245 --- /dev/null +++ b/tests/xfs/863 @@ -0,0 +1,93 @@ +#! /bin/bash +# FS QA Test No. 863 +# +# Simulate free extent errors with a file write and a file remove. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_scratch +_require_error_injection +_require_xfs_io_error_injection "rmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +touch $SCRATCH_MNT/file1 + +echo "Write files" +$XFS_IO_PROG -c "pwrite -S 0x67 0 $sz" $SCRATCH_MNT/file1 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 2>&1 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "free_extent" + +echo "Remove files" +rm -rf $SCRATCH_MNT/file1 +sync + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 2>&1 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/863.out b/tests/xfs/863.out new file mode 100644 index 0000000..718691f --- /dev/null +++ b/tests/xfs/863.out @@ -0,0 +1,15 @@ +QA output created by 863 +Format filesystem +Create files +Write files +Check files +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file1 +Inject error +Remove files +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +md5sum: SCRATCH_MNT/file1: No such file or directory +FS should be online, touch should succeed +Done diff --git a/tests/xfs/864 b/tests/xfs/864 new file mode 100755 index 0000000..928bd3b --- /dev/null +++ b/tests/xfs/864 @@ -0,0 +1,97 @@ +#! /bin/bash +# FS QA Test No. 864 +# +# Reflink a file. +# Inject an error during block remap to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_xfs_io_error_injection "bmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_pwrite_byte 0x67 0 $sz $SCRATCH_MNT/file3 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "bmap_finish_one" + +echo "Try to reflink" +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file3 0 $sz >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/864.out b/tests/xfs/864.out new file mode 100644 index 0000000..cd16235 --- /dev/null +++ b/tests/xfs/864.out @@ -0,0 +1,19 @@ +QA output created by 864 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file3 +Inject error +Try to reflink +XFS_IOC_CLONE_RANGE: Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/865 b/tests/xfs/865 new file mode 100755 index 0000000..043ce77 --- /dev/null +++ b/tests/xfs/865 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 865 +# +# Reflink a file. +# Inject an error during block remap to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_xfs_io_error_injection "bmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks - 17)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "bmap_finish_one" + +echo "Try to reflink" +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 2>&1 | _filter_scratch + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/865.out b/tests/xfs/865.out new file mode 100644 index 0000000..9a2b04d --- /dev/null +++ b/tests/xfs/865.out @@ -0,0 +1,18 @@ +QA output created by 865 +Format filesystem +Create files +Check files +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file1 +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file2 +Inject error +Try to reflink +cp: failed to clone 'SCRATCH_MNT/file3' from 'SCRATCH_MNT/file1': Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file1 +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file2 +a98e7df2a7a456009a493e47411c58d1 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/866 b/tests/xfs/866 new file mode 100755 index 0000000..e4137a5 --- /dev/null +++ b/tests/xfs/866 @@ -0,0 +1,94 @@ +#! /bin/bash +# FS QA Test No. 866 +# +# Reflink a file. +# Inject an error during refcount update to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_xfs_io_error_injection "refcount_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +$XFS_IO_PROG -f -c "truncate $sz" $SCRATCH_MNT/file3 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "refcount_finish_one" + +echo "Try to reflink" +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file3 0 $sz >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/866.out b/tests/xfs/866.out new file mode 100644 index 0000000..f2ca58c --- /dev/null +++ b/tests/xfs/866.out @@ -0,0 +1,17 @@ +QA output created by 866 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +b5cfa9d6c8febd618f91ac2843d50a1c SCRATCH_MNT/file3 +Inject error +Try to reflink +XFS_IOC_CLONE_RANGE: Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/867 b/tests/xfs/867 new file mode 100755 index 0000000..fcae947 --- /dev/null +++ b/tests/xfs/867 @@ -0,0 +1,97 @@ +#! /bin/bash +# FS QA Test No. 867 +# +# Reflink a file. +# Inject an error during rmap update to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_xfs_io_error_injection "rmap_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +is_rmap=$(xfs_info $SCRATCH_MNT | grep -c "rmapbt=1") +test $is_rmap -gt 0 || _notrun "rmap not supported on scratch fs" + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +$XFS_IO_PROG -f -c "truncate $sz" $SCRATCH_MNT/file3 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "rmap_finish_one" + +echo "Try to reflink" +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file3 0 $sz >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/867.out b/tests/xfs/867.out new file mode 100644 index 0000000..78a4e5a --- /dev/null +++ b/tests/xfs/867.out @@ -0,0 +1,17 @@ +QA output created by 867 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +b5cfa9d6c8febd618f91ac2843d50a1c SCRATCH_MNT/file3 +Inject error +Try to reflink +XFS_IOC_CLONE_RANGE: Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/868 b/tests/xfs/868 new file mode 100755 index 0000000..b8303de --- /dev/null +++ b/tests/xfs/868 @@ -0,0 +1,94 @@ +#! /bin/bash +# FS QA Test No. 868 +# +# Reflink a file. +# Inject an error during extent free to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_xfs_io_error_injection "free_extent" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_pwrite_byte 0x67 0 $sz $SCRATCH_MNT/file3 >> $seqres.full +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "free_extent" + +echo "Try to reflink" +_reflink_range $SCRATCH_MNT/file1 0 $SCRATCH_MNT/file3 0 $sz >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/868.out b/tests/xfs/868.out new file mode 100644 index 0000000..583b1f9 --- /dev/null +++ b/tests/xfs/868.out @@ -0,0 +1,17 @@ +QA output created by 868 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +4155b81ac6d45c0182fa2bc03960f230 SCRATCH_MNT/file3 +Inject error +Try to reflink +XFS_IOC_CLONE_RANGE: Input/output error +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file3 +FS should be online, touch should succeed +Done diff --git a/tests/xfs/869 b/tests/xfs/869 new file mode 100755 index 0000000..3ab2b0d --- /dev/null +++ b/tests/xfs/869 @@ -0,0 +1,101 @@ +#! /bin/bash +# FS QA Test No. 869 +# +# Reflink a file with a few dozen extents. +# Force XFS into "two refcount updates per transaction" mode. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_error_injection +_require_xfs_io_error_injection "refcount_continue_update" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "refcount_continue_update" + +echo "Reflink all the blocks" +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file4 + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch +md5sum $SCRATCH_MNT/file4 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/869.out b/tests/xfs/869.out new file mode 100644 index 0000000..1e7822e --- /dev/null +++ b/tests/xfs/869.out @@ -0,0 +1,17 @@ +QA output created by 869 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +Reflink all the blocks +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file4 +Done diff --git a/tests/xfs/870 b/tests/xfs/870 new file mode 100755 index 0000000..270e4a3 --- /dev/null +++ b/tests/xfs/870 @@ -0,0 +1,95 @@ +#! /bin/bash +# FS QA Test No. 870 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during extent freeing to test log recovery. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_error_injection +_require_xfs_io_error_injection "free_extent" + +rm -f $seqres.full + +blksz=65536 +blks=30 +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 $((blksz * blks)) $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Inject error" +_scratch_inject_error "free_extent" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full +rm $SCRATCH_MNT/file1 +sync + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file2 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/870.out b/tests/xfs/870.out new file mode 100644 index 0000000..49c4e4b --- /dev/null +++ b/tests/xfs/870.out @@ -0,0 +1,15 @@ +QA output created by 870 +Format filesystem +Create files +Check files +d5a0ed0305c8df4180cb2bf975ecffe8 SCRATCH_MNT/file1 +d5a0ed0305c8df4180cb2bf975ecffe8 SCRATCH_MNT/file2 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +7629bd70d19d7291b448221ac44b26d9 SCRATCH_MNT/file2 +Done diff --git a/tests/xfs/871 b/tests/xfs/871 new file mode 100755 index 0000000..03fa0ba --- /dev/null +++ b/tests/xfs/871 @@ -0,0 +1,109 @@ +#! /bin/bash +# FS QA Test No. 871 +# +# Reflink a file with a few dozen extents, CoW a few blocks, and rm. +# Inject an error during refcount updates to test log recovery. Use +# cowextsize so that the refcount failure is somewhere in the CoW remap +# instead of when we're stashing the CoW orphan record. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink +. ./common/inject + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink +_require_xfs_io_error_injection "refcount_finish_one" + +rm -f $seqres.full + +blksz=65536 +blks=64 +sz=$((blksz * blks)) +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +$XFS_IO_PROG -c "cowextsize $sz" $SCRATCH_MNT + +echo "Create files" +_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2 +_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3 + +# Punch holes in file3 +seq 1 2 $blks | while read off; do + $XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full +done +sync + +echo "Check files" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +$XFS_IO_PROG -c "pwrite -W -S 0x67 $((10 * blksz)) 1" $SCRATCH_MNT/file2 >> $seqres.full +sync + +echo "Inject error" +_scratch_inject_error "refcount_finish_one" + +echo "CoW a few blocks" +$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full + +echo "FS should be shut down, touch will fail" +touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch + +echo "Remount to replay log" +_scratch_inject_logprint >> $seqres.full + +echo "FS should be online, touch should succeed" +touch $SCRATCH_MNT/goodfs + +echo "Check files again" +md5sum $SCRATCH_MNT/file1 | _filter_scratch +md5sum $SCRATCH_MNT/file2 | _filter_scratch +md5sum $SCRATCH_MNT/file3 | _filter_scratch + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/871.out b/tests/xfs/871.out new file mode 100644 index 0000000..c0aba73 --- /dev/null +++ b/tests/xfs/871.out @@ -0,0 +1,18 @@ +QA output created by 871 +Format filesystem +Create files +Check files +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Inject error +CoW a few blocks +FS should be shut down, touch will fail +touch: cannot touch 'SCRATCH_MNT/badfs': Input/output error +Remount to replay log +FS should be online, touch should succeed +Check files again +2a4f043bf9730a9e8882c9264b9797b3 SCRATCH_MNT/file1 +1e108771fba35e2f2961d1ad23efbff7 SCRATCH_MNT/file2 +153498e22f8ff52d7f60b466a5e65285 SCRATCH_MNT/file3 +Done diff --git a/tests/xfs/group b/tests/xfs/group index 1ad37ff..0f94794 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -289,3 +289,18 @@ 854 auto quick clone 855 auto clone 856 auto quick clone rmap +857 auto quick clone +858 auto quick clone +859 auto quick clone +860 auto quick clone +861 auto quick clone +862 auto quick rmap +863 auto quick rw +864 auto quick clone +865 auto quick clone +866 auto quick clone +867 auto quick clone +868 auto quick clone +869 auto quick clone +870 auto quick clone +871 auto quick clone From darrick.wong@oracle.com Fri Jun 17 11:40:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DC7FA7CBA for ; Fri, 17 Jun 2016 11:40:40 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9E0728F8049 for ; Fri, 17 Jun 2016 09:40:37 -0700 (PDT) X-ASG-Debug-ID: 1466181635-04bdf01e17b23f0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 1CXaA7ncoFMGHVwH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 09:40:35 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5HGeUGK018538 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 16:40:31 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5HGeUvn019178 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 16:40:30 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5HGeRUf022942; Fri, 17 Jun 2016 16:40:28 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 17 Jun 2016 09:40:27 -0700 Date: Fri, 17 Jun 2016 09:40:25 -0700 From: "Darrick J. Wong" To: david@fromorbit.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Subject: [PATCH v2 14/20] xfs: test clearing reflink inode flag Message-ID: <20160617164025.GF5740@birch.djwong.org> X-ASG-Orig-Subj: [PATCH v2 14/20] xfs: test clearing reflink inode flag References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> <146612805032.25024.3244105391915486280.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612805032.25024.3244105391915486280.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466181635 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4341 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30520 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Check that xfs_repair can clear the reflink inode flag. v2: This is a reflink test; use _require_scratch_reflink Signed-off-by: Darrick J. Wong --- tests/xfs/872 | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/872.out | 20 +++++++++++ tests/xfs/group | 1 + 3 files changed, 114 insertions(+) create mode 100755 tests/xfs/872 create mode 100644 tests/xfs/872.out diff --git a/tests/xfs/872 b/tests/xfs/872 new file mode 100755 index 0000000..e4c987e --- /dev/null +++ b/tests/xfs/872 @@ -0,0 +1,93 @@ +#! /bin/bash +# FS QA Test No. 872 +# +# Create 100 reflinked files, CoW them all, and see if xfs_repair will +# clear the reflink flag. There was a buffer handling bug in xfs_repair +# that (fortunately) triggered asserts in the rmap code when clearing +# the reflink flag. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + umount $SCRATCH_MNT > /dev/null 2>&1 + rm -rf $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# real QA test starts here +_supported_os Linux +_supported_fs xfs +_require_cp_reflink +_require_scratch_reflink + +rm -f $seqres.full + +nr=128 # spanning at least one inode chunk tickles a bug in xfs_repair +echo "Format filesystem" +_scratch_mkfs >/dev/null 2>&1 +_scratch_mount >> $seqres.full + +echo "Create files" +_pwrite_byte 0x66 0 1 $SCRATCH_MNT/file.0 >> $seqres.full +seq 1 $nr | while read i; do + _cp_reflink $SCRATCH_MNT/file.0 $SCRATCH_MNT/file.$i +done +sync + +echo "Check files" +for i in 0 $((nr / 2)) $nr; do + md5sum $SCRATCH_MNT/file.$i | _filter_scratch + $XFS_IO_PROG -c 'lsattr -v' $SCRATCH_MNT/file.$i | _filter_scratch +done + +echo "CoW all files" +seq 1 $nr | while read i; do + echo m >> $SCRATCH_MNT/file.$i +done + +echo "Repair filesystem" +_scratch_unmount +_repair_scratch_fs >> $seqres.full +_scratch_mount + +echo "Check files again" +for i in 0 $((nr / 2)) $nr; do + md5sum $SCRATCH_MNT/file.$i | _filter_scratch + $XFS_IO_PROG -c 'lsattr -v' $SCRATCH_MNT/file.$i | _filter_scratch +done + +echo "Done" + +# success, all done +status=0 +exit diff --git a/tests/xfs/872.out b/tests/xfs/872.out new file mode 100644 index 0000000..316cb0a --- /dev/null +++ b/tests/xfs/872.out @@ -0,0 +1,20 @@ +QA output created by 872 +Format filesystem +Create files +Check files +8fa14cdd754f91cc6554c9e71929cce7 SCRATCH_MNT/file.0 +[reflink] SCRATCH_MNT/file.0 +8fa14cdd754f91cc6554c9e71929cce7 SCRATCH_MNT/file.64 +[reflink] SCRATCH_MNT/file.64 +8fa14cdd754f91cc6554c9e71929cce7 SCRATCH_MNT/file.128 +[reflink] SCRATCH_MNT/file.128 +CoW all files +Repair filesystem +Check files again +8fa14cdd754f91cc6554c9e71929cce7 SCRATCH_MNT/file.0 +[] SCRATCH_MNT/file.0 +0f17fd72b7bbf5bda0ff433e6d1fc118 SCRATCH_MNT/file.64 +[] SCRATCH_MNT/file.64 +0f17fd72b7bbf5bda0ff433e6d1fc118 SCRATCH_MNT/file.128 +[] SCRATCH_MNT/file.128 +Done diff --git a/tests/xfs/group b/tests/xfs/group index 0f94794..ca36ad6 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -304,3 +304,4 @@ 869 auto quick clone 870 auto quick clone 871 auto quick clone +872 auto quick clone From sandeen@redhat.com Fri Jun 17 11:44:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 56D457CBA for ; Fri, 17 Jun 2016 11:44:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id D07FEAC001 for ; Fri, 17 Jun 2016 09:44:47 -0700 (PDT) X-ASG-Debug-ID: 1466181885-04cbb01fec873d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id rhMRusR7GplLepdN (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 09:44:46 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 45B948EB3C for ; Fri, 17 Jun 2016 16:44:45 +0000 (UTC) Received: from [IPv6:::1] (ovpn03.gateway.prod.ext.phx2.redhat.com [10.5.9.3]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5HGiiq2000615 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 17 Jun 2016 12:44:45 -0400 To: xfs-oss From: Eric Sandeen Subject: [PATCH] xfs_copy: fix minor sparse endian nit Message-ID: X-ASG-Orig-Subj: [PATCH] xfs_copy: fix minor sparse endian nit Date: Fri, 17 Jun 2016 11:44:44 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Fri, 17 Jun 2016 16:44:45 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466181886 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 644 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 The intermediate variable should not have been endian-annotated; it is the local cpu representation not the on-disk representation. Signed-off-by: Eric Sandeen --- diff --git a/copy/xfs_copy.c b/copy/xfs_copy.c index 2119a0b..1bc5163 100644 --- a/copy/xfs_copy.c +++ b/copy/xfs_copy.c @@ -506,7 +506,7 @@ sb_update_uuid( */ if (!uuid_equal(&tcarg->uuid, &ag_hdr->xfs_sb->sb_uuid) && xfs_sb_version_hascrc(sb) && !xfs_sb_version_hasmetauuid(sb)) { - __be32 feat; + __uint32_t feat; feat = be32_to_cpu(ag_hdr->xfs_sb->sb_features_incompat); feat |= XFS_SB_FEAT_INCOMPAT_META_UUID; From darrick.wong@oracle.com Fri Jun 17 11:54:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 95C597CBA for ; Fri, 17 Jun 2016 11:54:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 65B918F8037 for ; Fri, 17 Jun 2016 09:54:33 -0700 (PDT) X-ASG-Debug-ID: 1466182470-04cbb01fed877d0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id mJDMa1Um3f7dA2sm (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 09:54:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5HGs5Wd001962 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 17 Jun 2016 16:54:05 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5HGs449018201 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 16:54:05 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5HGs10f028586; Fri, 17 Jun 2016 16:54:03 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 17 Jun 2016 09:54:01 -0700 Date: Fri, 17 Jun 2016 09:54:00 -0700 From: "Darrick J. Wong" To: Brian Foster Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE Message-ID: <20160617165400.GC6376@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612628567.12839.3246258786290141903.stgit@birch.djwong.org> <20160617114117.GF19042@infradead.org> <20160617121604.GB23661@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617121604.GB23661@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466182470 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2848 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30522 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Fri, Jun 17, 2016 at 08:16:05AM -0400, Brian Foster wrote: > On Fri, Jun 17, 2016 at 04:41:17AM -0700, Christoph Hellwig wrote: > > On Thu, Jun 16, 2016 at 06:18:05PM -0700, Darrick J. Wong wrote: > > > Introduce XFLAGs for the new XFS reflink inode flag and the CoW extent > > > size hint, and actually plumb the CoW extent size hint into the fsxattr > > > structure. > > > > > > Signed-off-by: Darrick J. Wong > > > > Should go behind all the updates that are useful without any new > > rmap or reflink functionality. In fact it would be great if you > > could send out a series with just those little fixes and cleanups > > first. > > > > I'd take that a step further and suggest the entire series be split into > independent feature series, as appropriate. Unless I'm missing > something, I don't think there's any reason these all need to be bundled > together. Further, my expectation is that they probably end up being > merged as independent units, so I think it's easier for everybody for > Darrick to carve that up on the logical boundaries rather than assume > all reviewers and maintainer are going to do so consistently. > > Note that I'm not saying this has to be reposted.. I think I can pull > off the rmap bits for the time being. I'm just suggesting that if a > repost is required from this point forward for any of the logical > subunits (deps, rmap, reflink, scrub), I'd suggest to post, version and > changelog those units independently. I'd thought about continuing my old practice of listing which patches go with which feature... but then got lazy. :( Cleanups/rmap/reflink/scrub actually are in their own contiguous sections of the patchbomb, though that isn't obvious from looking at it. You ought to be able to pull only as far as the end of the rmap series and still have a working XFS. I only did the intensive testing with the full patchset, but the quick xfstests group ran fine with just the rmap pieces. Kernel patches: =============== Cleanups, 1-11 rmap + dependencies, 12-49 Overlapped interval btree, 12-15 Deferred operations, 16-22 rmap, 23-49 reflink + dependencies, 50-111 AG reservations, 50-52 refcount btree, 53-68 deferred remap, 69-73 cow, 74-88 reflink, 89-111 getfsmapx, 112 scrub, 113-119 xfsprogs: ========= Cleanups, 1-15 rmap + deps, 16-70 Overlapped interval btree, 16-19 Deferred operations, 20-27 rmap, 28-70 reflink + dependencies, 71-135 AG reservations, 71-72 refcount btree, 73-85 deferred remap, 86-90 reflink, 91-135 getfsmapx, 136-138 scrub, 139-145 --D > > Brian > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From info@viestemarina.com Fri Jun 17 12:01:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE, T_KHOP_FOREIGN_CLICK autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 056607CBA for ; Fri, 17 Jun 2016 12:01:38 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7F894AC007 for ; Fri, 17 Jun 2016 10:01:34 -0700 (PDT) X-ASG-Debug-ID: 1466182886-04bdf01e13b3630001-NocioJ Received: from imp.mgm.tiscali.it (smtp-out-1-sh.mgm.tiscali.com [213.205.37.11]) by cuda.sgi.com with ESMTP id BUJLP9lY7pdIcLKY for ; Fri, 17 Jun 2016 10:01:26 -0700 (PDT) X-Barracuda-Envelope-From: info@viestemarina.com X-Barracuda-Effective-Source-IP: smtp-out-1-sh.mgm.tiscali.com[213.205.37.11] X-Barracuda-Apparent-Source-IP: 213.205.37.11 Received: from host197-30-dynamic.52-79-r.retail.telecomitalia.it ([79.52.30.197]) by smtp-out-1.mgm.tiscali.com with id 7t1H1t00B4FAcPj01t1H5l; Fri, 17 Jun 2016 19:01:26 +0200 x-auth-user: info@viestemarina.com From: "Camping Village Vieste Marina" Subject: Vacanze Low Cost 2016 To: "xfs" X-ASG-Orig-Subj: Vacanze Low Cost 2016 Content-Type: multipart/related; boundary="rPu1PusGJaR2H3wT9yaaJ=_oALXqJgROTh" MIME-Version: 1.0 Organization: Camping Village Vieste Marina Date: Fri, 17 Jun 2016 19:01:26 +0200 X-Barracuda-Connect: smtp-out-1-sh.mgm.tiscali.com[213.205.37.11] X-Barracuda-Start-Time: 1466182886 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4770 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.14 X-Barracuda-Spam-Status: No, SCORE=0.14 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE, MISSING_MID X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30522 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.14 MISSING_MID Missing Message-Id: header 0.00 HTML_MESSAGE BODY: HTML included in message Message-Id: <20160617170134.24D93A420A0@cuda.sgi.com> This is a multi-part message in MIME format --rPu1PusGJaR2H3wT9yaaJ=_oALXqJgROTh Content-Type: multipart/alternative; boundary="uIalae1wE8CDi=_dCqh69GFg8NMEdOaTWt" --uIalae1wE8CDi=_dCqh69GFg8NMEdOaTWt Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Se non visualizzi correttamente la newsletter clicca qui =20 E' ritornata la FORMULA ANTICRISI Non rinunciate alle vostre vacanze. 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Jm07AzBbtalhVc0p (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 10:34:29 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3F53370A9B; Fri, 17 Jun 2016 17:34:29 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5HHYSkJ008647; Fri, 17 Jun 2016 13:34:29 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 76C34123469; Fri, 17 Jun 2016 13:34:27 -0400 (EDT) Date: Fri, 17 Jun 2016 13:34:27 -0400 From: Brian Foster To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 003/119] xfs: check offsets of variable length structures Message-ID: <20160617173426.GA46309@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 003/119] xfs: check offsets of variable length structures References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612629195.12839.14090954204243398929.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612629195.12839.14090954204243398929.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 17 Jun 2016 17:34:29 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466184869 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4006 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:18:12PM -0700, Darrick J. Wong wrote: > Some of the directory/attr structures contain variable-length objects, > so the enclosing structure doesn't have a meaningful fixed size at > compile time. We can check the offsets of the members before the > variable-length member, so do those. > > Signed-off-by: Darrick J. Wong > --- I'm missing why this is necessary. Is the intent still to catch alignment and/or padding issues? If so, isn't the size check sufficient, regardless of trailing variable size fields? Perhaps the goal here is to reduce the scope of checking from where it isn't needed..? For example, xfs_dir2_data_unused_t looks like it has a field where the offset in the structure is irrelevant, so that's a possible false positive if that changes down the road. On the flip side, that doesn't appear to be the case for other structures such as xfs_attr_leaf_name_[local|remote]_t. Brian > fs/xfs/xfs_ondisk.h | 25 +++++++++++++++++++++++-- > 1 file changed, 23 insertions(+), 2 deletions(-) > > > diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h > index 184c44e..0272301 100644 > --- a/fs/xfs/xfs_ondisk.h > +++ b/fs/xfs/xfs_ondisk.h > @@ -22,6 +22,11 @@ > BUILD_BUG_ON_MSG(sizeof(structname) != (size), "XFS: sizeof(" \ > #structname ") is wrong, expected " #size) > > +#define XFS_CHECK_OFFSET(structname, member, off) \ > + BUILD_BUG_ON_MSG(offsetof(structname, member) != (off), \ > + "XFS: offsetof(" #structname ", " #member ") is wrong, " \ > + "expected " #off) > + > static inline void __init > xfs_check_ondisk_structs(void) > { > @@ -75,15 +80,28 @@ xfs_check_ondisk_structs(void) > XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_remote_t, 12); > */ > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, valuelen, 0); > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, namelen, 2); > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, nameval, 3); > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valueblk, 0); > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valuelen, 4); > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, namelen, 8); > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, name, 9); > XFS_CHECK_STRUCT_SIZE(xfs_attr_leafblock_t, 40); > - XFS_CHECK_STRUCT_SIZE(xfs_attr_shortform_t, 8); > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, hdr.totsize, 0); > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, hdr.count, 2); > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].namelen, 4); > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].valuelen, 5); > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].flags, 6); > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].nameval, 7); > XFS_CHECK_STRUCT_SIZE(xfs_da_blkinfo_t, 12); > XFS_CHECK_STRUCT_SIZE(xfs_da_intnode_t, 16); > XFS_CHECK_STRUCT_SIZE(xfs_da_node_entry_t, 8); > XFS_CHECK_STRUCT_SIZE(xfs_da_node_hdr_t, 16); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_free_t, 4); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_hdr_t, 16); > - XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_unused_t, 6); > + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, freetag, 0); > + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, length, 2); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t, 16); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t, 16); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino4_t, 4); > @@ -94,6 +112,9 @@ xfs_check_ondisk_structs(void) > XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t, 4); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t, 3); > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, namelen, 0); > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t, 2); > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Fri Jun 17 12:38:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E5DDA7CB6 for ; Fri, 17 Jun 2016 12:38:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4C88BAC002 for ; Fri, 17 Jun 2016 10:38:51 -0700 (PDT) X-ASG-Debug-ID: 1466185129-04cbb01fed88910001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 6BhZAbFpkpkgtwyq (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 10:38:50 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 734A763303; Fri, 17 Jun 2016 17:38:49 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5HHcn1n016380; Fri, 17 Jun 2016 13:38:49 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id AA7D5123469; Fri, 17 Jun 2016 13:38:47 -0400 (EDT) Date: Fri, 17 Jun 2016 13:38:47 -0400 From: Brian Foster To: "Darrick J. Wong" Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, vishal.l.verma@intel.com Subject: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE Message-ID: <20160617173847.GB46309@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 002/119] vfs: support FS_XFLAG_REFLINK and FS_XFLAG_COWEXTSIZE References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612628567.12839.3246258786290141903.stgit@birch.djwong.org> <20160617114117.GF19042@infradead.org> <20160617121604.GB23661@bfoster.bfoster> <20160617165400.GC6376@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617165400.GC6376@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Fri, 17 Jun 2016 17:38:49 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466185130 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3731 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Jun 17, 2016 at 09:54:00AM -0700, Darrick J. Wong wrote: > On Fri, Jun 17, 2016 at 08:16:05AM -0400, Brian Foster wrote: > > On Fri, Jun 17, 2016 at 04:41:17AM -0700, Christoph Hellwig wrote: > > > On Thu, Jun 16, 2016 at 06:18:05PM -0700, Darrick J. Wong wrote: > > > > Introduce XFLAGs for the new XFS reflink inode flag and the CoW extent > > > > size hint, and actually plumb the CoW extent size hint into the fsxattr > > > > structure. > > > > > > > > Signed-off-by: Darrick J. Wong > > > > > > Should go behind all the updates that are useful without any new > > > rmap or reflink functionality. In fact it would be great if you > > > could send out a series with just those little fixes and cleanups > > > first. > > > > > > > I'd take that a step further and suggest the entire series be split into > > independent feature series, as appropriate. Unless I'm missing > > something, I don't think there's any reason these all need to be bundled > > together. Further, my expectation is that they probably end up being > > merged as independent units, so I think it's easier for everybody for > > Darrick to carve that up on the logical boundaries rather than assume > > all reviewers and maintainer are going to do so consistently. > > > > Note that I'm not saying this has to be reposted.. I think I can pull > > off the rmap bits for the time being. I'm just suggesting that if a > > repost is required from this point forward for any of the logical > > subunits (deps, rmap, reflink, scrub), I'd suggest to post, version and > > changelog those units independently. > > I'd thought about continuing my old practice of listing which patches > go with which feature... but then got lazy. :( Cleanups/rmap/reflink/scrub > actually are in their own contiguous sections of the patchbomb, though that > isn't obvious from looking at it. > Yeah, I figured as much. I was able to surmise where the rmap stuff ends. It's not so clear where the line between cleanups vs. dependencies is, however, and as hch mentioned, some of that stuff apparently stands on its own (i.e, can be merged without being blocked on rmap review/test/dev cycles). > You ought to be able to pull only as far as the end of the rmap series and > still have a working XFS. I only did the intensive testing with the full > patchset, but the quick xfstests group ran fine with just the rmap pieces. > Ok. I'll probably end up testing more with just the rmap bits. > Kernel patches: > =============== > Cleanups, 1-11 > rmap + dependencies, 12-49 > Overlapped interval btree, 12-15 > Deferred operations, 16-22 > rmap, 23-49 Thanks. I still stand by my previous comment wrt to splitting any subsequent postings, if necessary, into separate series though. ;) Brian > reflink + dependencies, 50-111 > AG reservations, 50-52 > refcount btree, 53-68 > deferred remap, 69-73 > cow, 74-88 > reflink, 89-111 > getfsmapx, 112 > scrub, 113-119 > > xfsprogs: > ========= > Cleanups, 1-15 > rmap + deps, 16-70 > Overlapped interval btree, 16-19 > Deferred operations, 20-27 > rmap, 28-70 > reflink + dependencies, 71-135 > AG reservations, 71-72 > refcount btree, 73-85 > deferred remap, 86-90 > reflink, 91-135 > getfsmapx, 136-138 > scrub, 139-145 > > --D > > > > > Brian > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From vishal.l.verma@intel.com Fri Jun 17 14:27:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FRT_FOLLOW1,T_FRT_FOLLOW2 autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 63F607CB0 for ; Fri, 17 Jun 2016 14:27:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 297128F8054 for ; Fri, 17 Jun 2016 12:27:10 -0700 (PDT) X-ASG-Debug-ID: 1466191628-04cbb01fec8b490001-NocioJ Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by cuda.sgi.com with ESMTP id 51dDgYiJFmDiLFLI for ; Fri, 17 Jun 2016 12:27:08 -0700 (PDT) X-Barracuda-Envelope-From: vishal.l.verma@intel.com X-Barracuda-Effective-Source-IP: mga03.intel.com[134.134.136.65] X-Barracuda-Apparent-Source-IP: 134.134.136.65 X-ASG-Whitelist: Client Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP; 17 Jun 2016 12:27:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,484,1459839600"; d="scan'208";a="990031248" Received: from omniknight.lm.intel.com ([10.232.112.171]) by fmsmga001.fm.intel.com with ESMTP; 17 Jun 2016 12:27:07 -0700 Date: Fri, 17 Jun 2016 13:26:47 -0600 From: Vishal Verma To: "Darrick J. Wong" Cc: linux-nvdimm@ml01.01.org, xfs@oss.sgi.com, Jan Kara Subject: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks Message-ID: <20160617192647.GC5893@omniknight.lm.intel.com> X-ASG-Orig-Subj: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> <1466125419-17736-3-git-send-email-vishal.l.verma@intel.com> <20160617022606.GC11810@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617022606.GC11810@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Barracuda-Connect: mga03.intel.com[134.134.136.65] X-Barracuda-Start-Time: 1466191628 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8816 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 06/16, Darrick J. Wong wrote: > On Thu, Jun 16, 2016 at 07:03:39PM -0600, Vishal Verma wrote: > > RFC/WIP commit. > > > > This adds the foollowing: > > 1. In xfs_mountfs(), get an initial badblocks list from gendisk's > > badblocks infrastructure. > > 2. Register with the badblocks notifier to get updates for this disk's > > badblocks > > > > TODO: > > 1. Add badblocks info to the reverse mapping tree (and remove if a > > badblock was cleared). > > Well... there are a number of things we /could/ do... theoretically one > could use the rmap info to find all the affected inodes and simply convert > that part of their extent trees to 'unwritten'. Reads will just get zeroes, Hm, not sure we can do that - if a block became bad at some point, subsequent reads _have to_ error out (-EIO) so that the user doesn't see silent data corruption. > and writes will remove the unwritten flag (for that file, anyway). Will a > successful write trigger the BB_CLEAR notifier? Currently, a successful write that goes through the driver (i.e. not DAX) will cause the badblock to get cleared, and trigger BB_CLEAR. DAX is trickier, and currently DAX writes won't clear errors. > > I guess you could punch out the bad blocks too... not clear if you'd want > all the owner files staying mapped to data they'll never get back. The block mappings don't have to be maintained, but some sort of a flag needs to be kept that will allow us to return errors on reads like I said above. > > We could also create another rmap "special owner" (XFS_RMAP_OWN_BAD?) for bad > blocks, so we'd know which parts are just plain bad. It might be useful to > know that kind of thing. > > I think earlier Dave was talking about adding a new 'badblocks' bit to both > the file extent records and the rmap records to signify that something's > wrong with the extent. I'll let him write about that. > > > 2. Before doing file IO, refer the rmap/badblocks to error out early if > > the IO will attempt wo read a bad sector > > 3. Figure out interactions with mmap/DAX. > > Woot. > > > Cc: Darrick J. Wong > > Cc: Dave Chinner > > Signed-off-by: Vishal Verma > > --- > > fs/xfs/xfs_linux.h | 1 + > > fs/xfs/xfs_mount.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > > fs/xfs/xfs_mount.h | 1 + > > 3 files changed, 106 insertions(+) > > > > diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h > > index 7e749be..f66d181 100644 > > --- a/fs/xfs/xfs_linux.h > > +++ b/fs/xfs/xfs_linux.h > > @@ -78,6 +78,7 @@ typedef __u32 xfs_nlink_t; > > #include > > #include > > #include > > +#include > > > > #include > > #include > > diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c > > index 5e68b2c..1a47737 100644 > > --- a/fs/xfs/xfs_mount.c > > +++ b/fs/xfs/xfs_mount.c > > @@ -618,6 +618,96 @@ xfs_default_resblks(xfs_mount_t *mp) > > return resblks; > > } > > > > +STATIC int > > +xfs_notifier_call( > > + struct notifier_block *nb, > > + unsigned long action, > > + void *data) > > +{ > > + struct bb_notifier_data *bb_data = data; > > + struct xfs_mount *mp; > > + > > + mp = container_of(nb, struct xfs_mount, m_badblocks_nb); > > + /* TODO xfs_add_bb_to_rmap(mp, bb_data->sector, bb_data->count); */ > > + xfs_warn(mp, "xfs badblock %s sector %lu (count %d)\n", > > + (action == BB_ADD)?"added":"cleared", > > + bb_data->sector, bb_data->count); > > + return 0; > > Probably a xfs_rmapbt_query_range here? > > > +} > > + > > +STATIC int > > +xfs_init_badblocks(struct xfs_mount *mp) > > +{ > > + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; > > + int done = 0, error = 0; > > + ssize_t len, off = 0; > > + char *p; > > + > > + /* > > + * TODO: get a list of known badblocks so far and process it. > > + * Can we just parse the sysfs format that badblocks_show() > > + * returns? That should be the fastest way to get this. > > + * Something like: (Is this too hacky? Should we just do > > + * badblocks_check() in a (rather large) loop?) > > + */ > > + p = kzalloc(PAGE_SIZE, GFP_KERNEL); > > + len = badblocks_show(bb, p, 0); > > + while (len) { > > + int count, n; > > + sector_t s; > > + > > + /* > > + * The sysfs badblocks format is multiple lines of: > > + * " " > > + */ > > + n = sscanf(p + off, "%lu %d\n%n", &s, &count, &done); > > Ick, there's got to be a better way to iterate the badblocks list than this. > > It would be very nice to have a single function that deals with a change in > badness status, which would be called by both the notifier and the badblocks > iterator. > There is a function in block/badblocks.c - badblocks_check() which can tell you for a given range, what is the first bad sector in that range, and the number of bad sectors after that first sector. Using that would certainly be cleaner, as it uses the well-defined API, but it would be much slower, as you have to iterate through the entire address space. The above function - badblocks_show - just looks at the actual stored representation of the badblocks, and lists them out, which is quick (reading a 4K page from memory), and so in the above, I just parse it.. > > + if (n < 2 || done < 3) { > > + error = -1; > > + break; > > + } > > + off += done; > > + len -= done; > > + xfs_warn(mp, "got badblocks: sector %ld, count %d", s, count); > > + /* TODO xfs_add_bb_to_rmap(mp, s, count); */ > > + } > > + kfree(p); > > + if (error) > > + return error; > > + > > + mp->m_badblocks_nb.notifier_call = xfs_notifier_call; > > + error = bb_notifier_register(bb, &mp->m_badblocks_nb); > > + if (error) > > + return error; > > + > > + /* > > + * TODO: There is probably a TOCTOU race hiding here - what if the > > + * badblocks list gets updated before we register for notifications.. > > + * Can likely be solved by registering for notifications _first_ (the > > + * above xfs_add_bb_to_rmap function has to be ready to accept new > > + * blocks), then querying for the initial list (there could be overlap > > + * here, shich the above function could handle), and then setting the > > + * mount flag below. > > + */ > > (Yeah, pretty much. :)) > > > + > > + /* > > + * TODO: set some flag (mount flag?) in xfs so that xfs knows > > + * it will be doing error checking, and can possibly, later, > > + * tell the block layer (possibly using a REQ_ flag in its IO > > + * requests) not to do further badblock checking for those IOs. > > + */ > > + > > + /* mp->m_flags |= XFS_MOUNT_FS_BADBLOCKS; */ > > + return 0; > > +} > > + > > +STATIC void > > +xfs_badblocks_unmount(struct xfs_mount *mp) > > +{ > > + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; > > + > > + bb_notifier_unregister(bb, &mp->m_badblocks_nb); > > +} > > + > > /* > > * This function does the following on an initial mount of a file system: > > * - reads the superblock from disk and init the mount struct > > @@ -955,6 +1045,19 @@ xfs_mountfs( > > } > > > > /* > > + * Register with the badblocks notifier chain > > + */ > > + error = xfs_init_badblocks(mp); > > + if (error) { > > + xfs_warn(mp, "Unable to register to badblocks notifications\n"); > > + /* > > + * TODO is this a hard error or can we simply > > + * warn and continue? > > + */ > > + goto out_rtunmount; > > + } > > + > > + /* > > * Now we are mounted, reserve a small amount of unused space for > > * privileged transactions. This is needed so that transaction > > * space required for critical operations can dip into this pool > > @@ -1085,6 +1188,7 @@ xfs_unmountfs( > > xfs_log_unmount(mp); > > xfs_da_unmount(mp); > > xfs_uuid_unmount(mp); > > + xfs_badblocks_unmount(mp); > > > > #if defined(DEBUG) > > xfs_errortag_clearall(mp, 0); > > diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h > > index 0ca9244..f0d1111 100644 > > --- a/fs/xfs/xfs_mount.h > > +++ b/fs/xfs/xfs_mount.h > > @@ -139,6 +139,7 @@ typedef struct xfs_mount { > > /* low free space thresholds */ > > struct xfs_kobj m_kobj; > > struct xstats m_stats; /* per-fs stats */ > > + struct notifier_block m_badblocks_nb; /* disk badblocks notifier */ > > > > struct workqueue_struct *m_buf_workqueue; > > struct workqueue_struct *m_data_workqueue; > > -- > > 2.5.5 > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Fri Jun 17 14:53:58 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FRT_FOLLOW1,T_FRT_FOLLOW2, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0C7AB7CA2 for ; Fri, 17 Jun 2016 14:53:58 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5EF0BAC002 for ; Fri, 17 Jun 2016 12:53:54 -0700 (PDT) X-ASG-Debug-ID: 1466193231-04cb6c54256da10001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id uTlO5Kc3NokzfZjO (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 12:53:51 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5HJrlsF005392 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 19:53:48 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5HJrleB031666 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 17 Jun 2016 19:53:47 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5HJrkIu032479; Fri, 17 Jun 2016 19:53:47 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 17 Jun 2016 12:53:46 -0700 Date: Fri, 17 Jun 2016 12:53:45 -0700 From: "Darrick J. Wong" To: Vishal Verma Cc: linux-nvdimm@ml01.01.org, xfs@oss.sgi.com, Jan Kara Subject: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks Message-ID: <20160617195345.GA5046@birch.djwong.org> X-ASG-Orig-Subj: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> <1466125419-17736-3-git-send-email-vishal.l.verma@intel.com> <20160617022606.GC11810@birch.djwong.org> <20160617192647.GC5893@omniknight.lm.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617192647.GC5893@omniknight.lm.intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466193231 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9823 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30526 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Fri, Jun 17, 2016 at 01:26:47PM -0600, Vishal Verma wrote: > On 06/16, Darrick J. Wong wrote: > > On Thu, Jun 16, 2016 at 07:03:39PM -0600, Vishal Verma wrote: > > > RFC/WIP commit. > > > > > > This adds the foollowing: > > > 1. In xfs_mountfs(), get an initial badblocks list from gendisk's > > > badblocks infrastructure. > > > 2. Register with the badblocks notifier to get updates for this disk's > > > badblocks > > > > > > TODO: > > > 1. Add badblocks info to the reverse mapping tree (and remove if a > > > badblock was cleared). > > > > Well... there are a number of things we /could/ do... theoretically one > > could use the rmap info to find all the affected inodes and simply convert > > that part of their extent trees to 'unwritten'. Reads will just get zeroes, > > Hm, not sure we can do that - if a block became bad at some point, > subsequent reads _have to_ error out (-EIO) so that the user doesn't see > silent data corruption. Ooh, right, forgot about that whole MCE-on-bad-read thing... > > and writes will remove the unwritten flag (for that file, anyway). Will a > > successful write trigger the BB_CLEAR notifier? > > Currently, a successful write that goes through the driver (i.e. not > DAX) will cause the badblock to get cleared, and trigger BB_CLEAR. DAX > is trickier, and currently DAX writes won't clear errors. Oh...? > > > > I guess you could punch out the bad blocks too... not clear if you'd want > > all the owner files staying mapped to data they'll never get back. > > The block mappings don't have to be maintained, but some sort of a flag > needs to be kept that will allow us to return errors on reads like I > said above. What happens if pmem signals a bad block and we try to read anyway? I know about the read-error-MCE thing, but what's the "more expensive" alternative? CPU exception? (Really what I'm digging at is, if the whole thing becomes a soft exception that we can handle in the OS by, say, 2020, do we care about reintroducing the whole ext2 badblocks thing?) (Beats me...) --D > > > > > We could also create another rmap "special owner" (XFS_RMAP_OWN_BAD?) for bad > > blocks, so we'd know which parts are just plain bad. It might be useful to > > know that kind of thing. > > > > I think earlier Dave was talking about adding a new 'badblocks' bit to both > > the file extent records and the rmap records to signify that something's > > wrong with the extent. I'll let him write about that. > > > > > 2. Before doing file IO, refer the rmap/badblocks to error out early if > > > the IO will attempt wo read a bad sector > > > 3. Figure out interactions with mmap/DAX. > > > > Woot. > > > > > Cc: Darrick J. Wong > > > Cc: Dave Chinner > > > Signed-off-by: Vishal Verma > > > --- > > > fs/xfs/xfs_linux.h | 1 + > > > fs/xfs/xfs_mount.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > fs/xfs/xfs_mount.h | 1 + > > > 3 files changed, 106 insertions(+) > > > > > > diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h > > > index 7e749be..f66d181 100644 > > > --- a/fs/xfs/xfs_linux.h > > > +++ b/fs/xfs/xfs_linux.h > > > @@ -78,6 +78,7 @@ typedef __u32 xfs_nlink_t; > > > #include > > > #include > > > #include > > > +#include > > > > > > #include > > > #include > > > diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c > > > index 5e68b2c..1a47737 100644 > > > --- a/fs/xfs/xfs_mount.c > > > +++ b/fs/xfs/xfs_mount.c > > > @@ -618,6 +618,96 @@ xfs_default_resblks(xfs_mount_t *mp) > > > return resblks; > > > } > > > > > > +STATIC int > > > +xfs_notifier_call( > > > + struct notifier_block *nb, > > > + unsigned long action, > > > + void *data) > > > +{ > > > + struct bb_notifier_data *bb_data = data; > > > + struct xfs_mount *mp; > > > + > > > + mp = container_of(nb, struct xfs_mount, m_badblocks_nb); > > > + /* TODO xfs_add_bb_to_rmap(mp, bb_data->sector, bb_data->count); */ > > > + xfs_warn(mp, "xfs badblock %s sector %lu (count %d)\n", > > > + (action == BB_ADD)?"added":"cleared", > > > + bb_data->sector, bb_data->count); > > > + return 0; > > > > Probably a xfs_rmapbt_query_range here? > > > > > +} > > > + > > > +STATIC int > > > +xfs_init_badblocks(struct xfs_mount *mp) > > > +{ > > > + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; > > > + int done = 0, error = 0; > > > + ssize_t len, off = 0; > > > + char *p; > > > + > > > + /* > > > + * TODO: get a list of known badblocks so far and process it. > > > + * Can we just parse the sysfs format that badblocks_show() > > > + * returns? That should be the fastest way to get this. > > > + * Something like: (Is this too hacky? Should we just do > > > + * badblocks_check() in a (rather large) loop?) > > > + */ > > > + p = kzalloc(PAGE_SIZE, GFP_KERNEL); > > > + len = badblocks_show(bb, p, 0); > > > + while (len) { > > > + int count, n; > > > + sector_t s; > > > + > > > + /* > > > + * The sysfs badblocks format is multiple lines of: > > > + * " " > > > + */ > > > + n = sscanf(p + off, "%lu %d\n%n", &s, &count, &done); > > > > Ick, there's got to be a better way to iterate the badblocks list than this. > > > > It would be very nice to have a single function that deals with a change in > > badness status, which would be called by both the notifier and the badblocks > > iterator. > > > There is a function in block/badblocks.c - badblocks_check() which can > tell you for a given range, what is the first bad sector in that range, > and the number of bad sectors after that first sector. Using that would > certainly be cleaner, as it uses the well-defined API, but it would be > much slower, as you have to iterate through the entire address space. > The above function - badblocks_show - just looks at the actual stored > representation of the badblocks, and lists them out, which is quick > (reading a 4K page from memory), and so in the above, I just parse it.. > > > > + if (n < 2 || done < 3) { > > > + error = -1; > > > + break; > > > + } > > > + off += done; > > > + len -= done; > > > + xfs_warn(mp, "got badblocks: sector %ld, count %d", s, count); > > > + /* TODO xfs_add_bb_to_rmap(mp, s, count); */ > > > + } > > > + kfree(p); > > > + if (error) > > > + return error; > > > + > > > + mp->m_badblocks_nb.notifier_call = xfs_notifier_call; > > > + error = bb_notifier_register(bb, &mp->m_badblocks_nb); > > > + if (error) > > > + return error; > > > + > > > + /* > > > + * TODO: There is probably a TOCTOU race hiding here - what if the > > > + * badblocks list gets updated before we register for notifications.. > > > + * Can likely be solved by registering for notifications _first_ (the > > > + * above xfs_add_bb_to_rmap function has to be ready to accept new > > > + * blocks), then querying for the initial list (there could be overlap > > > + * here, shich the above function could handle), and then setting the > > > + * mount flag below. > > > + */ > > > > (Yeah, pretty much. :)) > > > > > + > > > + /* > > > + * TODO: set some flag (mount flag?) in xfs so that xfs knows > > > + * it will be doing error checking, and can possibly, later, > > > + * tell the block layer (possibly using a REQ_ flag in its IO > > > + * requests) not to do further badblock checking for those IOs. > > > + */ > > > + > > > + /* mp->m_flags |= XFS_MOUNT_FS_BADBLOCKS; */ > > > + return 0; > > > +} > > > + > > > +STATIC void > > > +xfs_badblocks_unmount(struct xfs_mount *mp) > > > +{ > > > + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; > > > + > > > + bb_notifier_unregister(bb, &mp->m_badblocks_nb); > > > +} > > > + > > > /* > > > * This function does the following on an initial mount of a file system: > > > * - reads the superblock from disk and init the mount struct > > > @@ -955,6 +1045,19 @@ xfs_mountfs( > > > } > > > > > > /* > > > + * Register with the badblocks notifier chain > > > + */ > > > + error = xfs_init_badblocks(mp); > > > + if (error) { > > > + xfs_warn(mp, "Unable to register to badblocks notifications\n"); > > > + /* > > > + * TODO is this a hard error or can we simply > > > + * warn and continue? > > > + */ > > > + goto out_rtunmount; > > > + } > > > + > > > + /* > > > * Now we are mounted, reserve a small amount of unused space for > > > * privileged transactions. This is needed so that transaction > > > * space required for critical operations can dip into this pool > > > @@ -1085,6 +1188,7 @@ xfs_unmountfs( > > > xfs_log_unmount(mp); > > > xfs_da_unmount(mp); > > > xfs_uuid_unmount(mp); > > > + xfs_badblocks_unmount(mp); > > > > > > #if defined(DEBUG) > > > xfs_errortag_clearall(mp, 0); > > > diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h > > > index 0ca9244..f0d1111 100644 > > > --- a/fs/xfs/xfs_mount.h > > > +++ b/fs/xfs/xfs_mount.h > > > @@ -139,6 +139,7 @@ typedef struct xfs_mount { > > > /* low free space thresholds */ > > > struct xfs_kobj m_kobj; > > > struct xstats m_stats; /* per-fs stats */ > > > + struct notifier_block m_badblocks_nb; /* disk badblocks notifier */ > > > > > > struct workqueue_struct *m_buf_workqueue; > > > struct workqueue_struct *m_data_workqueue; > > > -- > > > 2.5.5 > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs From Benjamin.Wirth@winmagic.com Fri Jun 17 15:07:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2DF787CA2 for ; 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banners=-,-,- X-VirusChecked: Checked Received: (qmail 128633 invoked from network); 17 Jun 2016 20:07:39 -0000 Received: from 104-36-9-210.dedicated.allstream.net (HELO mail.winmagic.com) (104.36.9.210) by server-15.tower-145.messagelabs.com with SMTP; 17 Jun 2016 20:07:39 -0000 Received: from WMSEXCHSVR01.winmagic.local ([10.10.2.27]) by mail.winmagic.com with Microsoft SMTPSVC(6.0.3790.4675); Fri, 17 Jun 2016 16:03:00 -0400 Received: from WMSEXCHSVR02.winmagic.local ([fe80::4dad:19a5:fc50:6d9f]) by wmsexchsvr01.winmagic.local ([::1]) with mapi id 14.03.0266.001; Fri, 17 Jun 2016 16:03:00 -0400 From: Benjamin Wirth To: "xfs@oss.sgi.com" Subject: on-disk free blocks B-Tree update Thread-Topic: on-disk free blocks B-Tree update X-ASG-Orig-Subj: on-disk free blocks B-Tree update Thread-Index: AdHI0z8GgoA47RyrS6SVx57OfVKdug== Date: Fri, 17 Jun 2016 20:02:59 +0000 Message-ID: <97A4F433DEE099488FE21C1718A641D213A0320A@wmsexchsvr02.winmagic.local> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.11.3.108] Content-Type: multipart/alternative; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hello XFS community, I have code that parses the free blocks B-Tree from the disk but it seems t= o me that the on-disk version of the B-Tree is not updated even when sync()= is called, so that the disk version of the B-Tree becomes outdated. Is tha= t correct? I have debug information from the kernel BIO layer where I see sectors/bloc= ks being flushed out by the sync but the B-Tree on disk still lists those b= locks as free. At what time is the on-disk B-Tree updated, only at umount? Is there any way to force the in-memory B-Tree to be flushed to disk? Thanks for any help, Ben Benjamin Wirth | Senior Software Developer WinMagic Inc. 5600A Cancross Court Mississauga, ON | L5R 3E9 | Canada --_000_97A4F433DEE099488FE21C1718A641D213A0320Awmsexchsvr02win_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hello XFS community,

I have code that parses the free blocks B-Tree from = the disk but it seems to me that the on-disk version of the B-Tree is not u= pdated even when sync() is called, so that the disk version of the B-Tree b= ecomes outdated. Is that correct?

I have debug information from the kernel BIO layer w= here I see sectors/blocks being flushed out by the sync but the B-Tree on d= isk still lists those blocks as free. At what time is the on-disk B-Tree up= dated, only at umount?

Is there any way to force the in-memory B-Tree to be= flushed to disk?

Thanks for any help,

Ben

Benjamin Wirth | Senior Software Developer

WinMagic Inc.
5600A Cancross Court =

Mississauga, ON | L5R 3E9 | Canada=

--_000_97A4F433DEE099488FE21C1718A641D213A0320Awmsexchsvr02win_-- From vishal.l.verma@intel.com Fri Jun 17 15:33:04 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_FRT_FOLLOW1,T_FRT_FOLLOW2 autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2C40F7CA2 for ; Fri, 17 Jun 2016 15:33:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id E59F38F8040 for ; Fri, 17 Jun 2016 13:33:00 -0700 (PDT) X-ASG-Debug-ID: 1466195578-04cbb01fee8d1b0001-NocioJ Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by cuda.sgi.com with ESMTP id CLyEOzpNioGMfQeH for ; Fri, 17 Jun 2016 13:32:59 -0700 (PDT) X-Barracuda-Envelope-From: vishal.l.verma@intel.com X-Barracuda-Effective-Source-IP: mga03.intel.com[134.134.136.65] X-Barracuda-Apparent-Source-IP: 134.134.136.65 X-ASG-Whitelist: Client Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP; 17 Jun 2016 13:32:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,485,1459839600"; d="scan'208";a="830445478" Received: from omniknight.lm.intel.com ([10.232.112.171]) by orsmga003.jf.intel.com with ESMTP; 17 Jun 2016 13:32:57 -0700 Date: Fri, 17 Jun 2016 14:32:38 -0600 From: Vishal Verma To: "Darrick J. Wong" Cc: linux-nvdimm@ml01.01.org, xfs@oss.sgi.com, Jan Kara Subject: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks Message-ID: <20160617203237.GD5893@omniknight.lm.intel.com> X-ASG-Orig-Subj: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> <1466125419-17736-3-git-send-email-vishal.l.verma@intel.com> <20160617022606.GC11810@birch.djwong.org> <20160617192647.GC5893@omniknight.lm.intel.com> <20160617195345.GA5046@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617195345.GA5046@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Barracuda-Connect: mga03.intel.com[134.134.136.65] X-Barracuda-Start-Time: 1466195578 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12982 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 06/17, Darrick J. Wong wrote: > On Fri, Jun 17, 2016 at 01:26:47PM -0600, Vishal Verma wrote: > > On 06/16, Darrick J. Wong wrote: > > > On Thu, Jun 16, 2016 at 07:03:39PM -0600, Vishal Verma wrote: > > > > RFC/WIP commit. > > > > > > > > This adds the foollowing: > > > > 1. In xfs_mountfs(), get an initial badblocks list from gendisk's > > > > badblocks infrastructure. > > > > 2. Register with the badblocks notifier to get updates for this disk's > > > > badblocks > > > > > > > > TODO: > > > > 1. Add badblocks info to the reverse mapping tree (and remove if a > > > > badblock was cleared). > > > > > > Well... there are a number of things we /could/ do... theoretically one > > > could use the rmap info to find all the affected inodes and simply convert > > > that part of their extent trees to 'unwritten'. Reads will just get zeroes, > > > > Hm, not sure we can do that - if a block became bad at some point, > > subsequent reads _have to_ error out (-EIO) so that the user doesn't see > > silent data corruption. > > Ooh, right, forgot about that whole MCE-on-bad-read thing... > > > > and writes will remove the unwritten flag (for that file, anyway). Will a > > > successful write trigger the BB_CLEAR notifier? > > > > Currently, a successful write that goes through the driver (i.e. not > > DAX) will cause the badblock to get cleared, and trigger BB_CLEAR. DAX > > is trickier, and currently DAX writes won't clear errors. > > Oh...? I should expand.. post 4.7, DAX and badblocks can co-exist, and there are a couple of scenarios: 1. When we take a DAX fault for the first time, we now check if the range we're faulting for has bad blocks (see the is_bad_pmem check in pmem_direct_access), and if it does, we signal a VM_FAULT_SIGBUS from the fault handler. 2. If a latent error develops in a region that has been mmapped and faulted in, then any attempts to load/store from/to it will cause a machine check. There isn't much that can be done for the second scenario - and the dax-error-handling stuff in 4.7 should handle everything for the first scenario (i.e. not cause a machine check induced crash). What we probably still have to do is have a well defined recovery flow for an application that gets a SIGBUS when accessing an mmaped file due to a known bad block. Currently (4.7), what works is deleting, truncating, or hole-punching the file, causing the sector (extent) to become free/unwritten, and then a subsequent zeroout of it before the next time it is used will go through the driver and clear the error. The one thing missing is that When a filesystem is mounted with DAX, all IO goes through dax_do_io, which is currently unable to clear any errors. The ideal user experience, IMO, should be: 1. Get a SIGBUS accessing a mmaped file 2. Be told of an (offset+length) of the file that is 'gone' 3. Be able to open(), seek(), and write() to that offset to restore data 4. Be able to mmap etc. again and go on as usual > > > > > > > I guess you could punch out the bad blocks too... not clear if you'd want > > > all the owner files staying mapped to data they'll never get back. > > > > The block mappings don't have to be maintained, but some sort of a flag > > needs to be kept that will allow us to return errors on reads like I > > said above. > > What happens if pmem signals a bad block and we try to read anyway? I know > about the read-error-MCE thing, but what's the "more expensive" alternative? > CPU exception? MCE is the CPU exception, and is what we want to avoid at all costs, as it can cause the machine to crash. Currently, the driver also checks every IO (every bvec in fact) for badblocks before reading/writing. Presumably, once we are able to push this checking into the filesystem, we can signal the driver to stop doing this extra check (Dan points out that it is good to have the redundant checking as a safety net till the filesystem implementation is fully baked/tested). But yes in either of these cases, we we know it is a bad block and choose to read (memcpy) from it anyway, we get the machine check exception. > > (Really what I'm digging at is, if the whole thing becomes a soft exception > that we can handle in the OS by, say, 2020, do we care about reintroducing > the whole ext2 badblocks thing?) Not sure if this is something the OS can just learn to handle as the machine check recovery stuff is a hardware/platform feature that only some CPUs have. ('machine check recovery' allows the mce code in linux to unmap the offending page(s) from the address space of any processes that have it mapped, and sends them a SIGBUS). On CPUs without this recovery feature, the CPU goes into a fault state and needs to be restarted. > > (Beats me...) > > --D > > > > > > > > > We could also create another rmap "special owner" (XFS_RMAP_OWN_BAD?) for bad > > > blocks, so we'd know which parts are just plain bad. It might be useful to > > > know that kind of thing. > > > > > > I think earlier Dave was talking about adding a new 'badblocks' bit to both > > > the file extent records and the rmap records to signify that something's > > > wrong with the extent. I'll let him write about that. > > > > > > > 2. Before doing file IO, refer the rmap/badblocks to error out early if > > > > the IO will attempt wo read a bad sector > > > > 3. Figure out interactions with mmap/DAX. > > > > > > Woot. > > > > > > > Cc: Darrick J. Wong > > > > Cc: Dave Chinner > > > > Signed-off-by: Vishal Verma > > > > --- > > > > fs/xfs/xfs_linux.h | 1 + > > > > fs/xfs/xfs_mount.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > > fs/xfs/xfs_mount.h | 1 + > > > > 3 files changed, 106 insertions(+) > > > > > > > > diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h > > > > index 7e749be..f66d181 100644 > > > > --- a/fs/xfs/xfs_linux.h > > > > +++ b/fs/xfs/xfs_linux.h > > > > @@ -78,6 +78,7 @@ typedef __u32 xfs_nlink_t; > > > > #include > > > > #include > > > > #include > > > > +#include > > > > > > > > #include > > > > #include > > > > diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c > > > > index 5e68b2c..1a47737 100644 > > > > --- a/fs/xfs/xfs_mount.c > > > > +++ b/fs/xfs/xfs_mount.c > > > > @@ -618,6 +618,96 @@ xfs_default_resblks(xfs_mount_t *mp) > > > > return resblks; > > > > } > > > > > > > > +STATIC int > > > > +xfs_notifier_call( > > > > + struct notifier_block *nb, > > > > + unsigned long action, > > > > + void *data) > > > > +{ > > > > + struct bb_notifier_data *bb_data = data; > > > > + struct xfs_mount *mp; > > > > + > > > > + mp = container_of(nb, struct xfs_mount, m_badblocks_nb); > > > > + /* TODO xfs_add_bb_to_rmap(mp, bb_data->sector, bb_data->count); */ > > > > + xfs_warn(mp, "xfs badblock %s sector %lu (count %d)\n", > > > > + (action == BB_ADD)?"added":"cleared", > > > > + bb_data->sector, bb_data->count); > > > > + return 0; > > > > > > Probably a xfs_rmapbt_query_range here? > > > > > > > +} > > > > + > > > > +STATIC int > > > > +xfs_init_badblocks(struct xfs_mount *mp) > > > > +{ > > > > + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; > > > > + int done = 0, error = 0; > > > > + ssize_t len, off = 0; > > > > + char *p; > > > > + > > > > + /* > > > > + * TODO: get a list of known badblocks so far and process it. > > > > + * Can we just parse the sysfs format that badblocks_show() > > > > + * returns? That should be the fastest way to get this. > > > > + * Something like: (Is this too hacky? Should we just do > > > > + * badblocks_check() in a (rather large) loop?) > > > > + */ > > > > + p = kzalloc(PAGE_SIZE, GFP_KERNEL); > > > > + len = badblocks_show(bb, p, 0); > > > > + while (len) { > > > > + int count, n; > > > > + sector_t s; > > > > + > > > > + /* > > > > + * The sysfs badblocks format is multiple lines of: > > > > + * " " > > > > + */ > > > > + n = sscanf(p + off, "%lu %d\n%n", &s, &count, &done); > > > > > > Ick, there's got to be a better way to iterate the badblocks list than this. > > > > > > It would be very nice to have a single function that deals with a change in > > > badness status, which would be called by both the notifier and the badblocks > > > iterator. > > > > > There is a function in block/badblocks.c - badblocks_check() which can > > tell you for a given range, what is the first bad sector in that range, > > and the number of bad sectors after that first sector. Using that would > > certainly be cleaner, as it uses the well-defined API, but it would be > > much slower, as you have to iterate through the entire address space. > > The above function - badblocks_show - just looks at the actual stored > > representation of the badblocks, and lists them out, which is quick > > (reading a 4K page from memory), and so in the above, I just parse it.. > > > > > > + if (n < 2 || done < 3) { > > > > + error = -1; > > > > + break; > > > > + } > > > > + off += done; > > > > + len -= done; > > > > + xfs_warn(mp, "got badblocks: sector %ld, count %d", s, count); > > > > + /* TODO xfs_add_bb_to_rmap(mp, s, count); */ > > > > + } > > > > + kfree(p); > > > > + if (error) > > > > + return error; > > > > + > > > > + mp->m_badblocks_nb.notifier_call = xfs_notifier_call; > > > > + error = bb_notifier_register(bb, &mp->m_badblocks_nb); > > > > + if (error) > > > > + return error; > > > > + > > > > + /* > > > > + * TODO: There is probably a TOCTOU race hiding here - what if the > > > > + * badblocks list gets updated before we register for notifications.. > > > > + * Can likely be solved by registering for notifications _first_ (the > > > > + * above xfs_add_bb_to_rmap function has to be ready to accept new > > > > + * blocks), then querying for the initial list (there could be overlap > > > > + * here, shich the above function could handle), and then setting the > > > > + * mount flag below. > > > > + */ > > > > > > (Yeah, pretty much. :)) > > > > > > > + > > > > + /* > > > > + * TODO: set some flag (mount flag?) in xfs so that xfs knows > > > > + * it will be doing error checking, and can possibly, later, > > > > + * tell the block layer (possibly using a REQ_ flag in its IO > > > > + * requests) not to do further badblock checking for those IOs. > > > > + */ > > > > + > > > > + /* mp->m_flags |= XFS_MOUNT_FS_BADBLOCKS; */ > > > > + return 0; > > > > +} > > > > + > > > > +STATIC void > > > > +xfs_badblocks_unmount(struct xfs_mount *mp) > > > > +{ > > > > + struct badblocks *bb = mp->m_super->s_bdev->bd_disk->bb; > > > > + > > > > + bb_notifier_unregister(bb, &mp->m_badblocks_nb); > > > > +} > > > > + > > > > /* > > > > * This function does the following on an initial mount of a file system: > > > > * - reads the superblock from disk and init the mount struct > > > > @@ -955,6 +1045,19 @@ xfs_mountfs( > > > > } > > > > > > > > /* > > > > + * Register with the badblocks notifier chain > > > > + */ > > > > + error = xfs_init_badblocks(mp); > > > > + if (error) { > > > > + xfs_warn(mp, "Unable to register to badblocks notifications\n"); > > > > + /* > > > > + * TODO is this a hard error or can we simply > > > > + * warn and continue? > > > > + */ > > > > + goto out_rtunmount; > > > > + } > > > > + > > > > + /* > > > > * Now we are mounted, reserve a small amount of unused space for > > > > * privileged transactions. This is needed so that transaction > > > > * space required for critical operations can dip into this pool > > > > @@ -1085,6 +1188,7 @@ xfs_unmountfs( > > > > xfs_log_unmount(mp); > > > > xfs_da_unmount(mp); > > > > xfs_uuid_unmount(mp); > > > > + xfs_badblocks_unmount(mp); > > > > > > > > #if defined(DEBUG) > > > > xfs_errortag_clearall(mp, 0); > > > > diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h > > > > index 0ca9244..f0d1111 100644 > > > > --- a/fs/xfs/xfs_mount.h > > > > +++ b/fs/xfs/xfs_mount.h > > > > @@ -139,6 +139,7 @@ typedef struct xfs_mount { > > > > /* low free space thresholds */ > > > > struct xfs_kobj m_kobj; > > > > struct xstats m_stats; /* per-fs stats */ > > > > + struct notifier_block m_badblocks_nb; /* disk badblocks notifier */ > > > > > > > > struct workqueue_struct *m_buf_workqueue; > > > > struct workqueue_struct *m_data_workqueue; > > > > -- > > > > 2.5.5 > > > > > > > > _______________________________________________ > > > > xfs mailing list > > > > xfs@oss.sgi.com > > > > http://oss.sgi.com/mailman/listinfo/xfs From dan.j.williams@intel.com Fri Jun 17 17:27:57 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5A54E7CA0 for ; Fri, 17 Jun 2016 17:27:57 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1B633304039 for ; Fri, 17 Jun 2016 15:27:54 -0700 (PDT) X-ASG-Debug-ID: 1466202471-04bdf01e17c0350001-NocioJ Received: from mail-oi0-f42.google.com (mail-oi0-f42.google.com [209.85.218.42]) by cuda.sgi.com with ESMTP id Q3oug9UrS36sYTsT (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Fri, 17 Jun 2016 15:27:52 -0700 (PDT) X-Barracuda-Envelope-From: dan.j.williams@intel.com X-Barracuda-Effective-Source-IP: mail-oi0-f42.google.com[209.85.218.42] X-Barracuda-Apparent-Source-IP: 209.85.218.42 Received: by mail-oi0-f42.google.com with SMTP id u201so137021672oie.0 for ; Fri, 17 Jun 2016 15:27:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=avvnQ+79SHDw2u6rvGVBu315pbfozh2fitCK3iHwdjU=; b=XWYDDVArJlAqjGxV9Sc/jdhxDS31H1TWLR3sVtuIFarhm1oeWzNFVA5kTW1O5bFaph KktLm35ckR1XfxWe+TRy4cKIYgf0z2iS22BvuON9kYCB8049rpkJg6q0fGgFWbCbfUe7 ZFR5VrOjexmoAXUmBrzlk+4WNOWgFsWH+Wxe05tkoqZst6mOCynCPbwgWDG28HsYp8rO Rgqq/vFrWAB5sFYIDNZUE5PupNLR8MRqDOYz/BRri21NqgJP67dzMpxuos5IlJKTZkFC J/N8T8Nl0MtySGOqo8LHEm7Aj4tvd/oYuAcQJgr9KyFmDBIqxfO/swNHM2lL3rS8Y20U mlFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=avvnQ+79SHDw2u6rvGVBu315pbfozh2fitCK3iHwdjU=; b=CD4ws4akIimaOeja/64vEDvJYKK1HPXQGXegHMLT9JOZhv/Y27dwV9/ApDg5l1dG24 yTqOFHMFzMBemadoooZngom+eer47GFmw6FmBKJF4FNzTT+giTneCiI+kHZfR3pcFBbK EaORNiO0MTNHs+TBLGm8gWInotcmJfJCDbPuD1TCt2ZZJ/iTBPyHmS/FLusN9uS4rzry S76Y1ZPr7EqfAWShYAFZ/v4YAy7KZk7w8s/MwOAXLOFR/3TMFWIzgLHBx1bO+AtF35GB XVCeeYzuHVMAUVEAkzk7HE5lQAGcgHQjsr13AwTURO6rRfWnTN33WaoStvBfiFJjrhRy 7Adg== X-Gm-Message-State: ALyK8tK+r1sjcHkGqcFuQ3hcgzXNoKGz0zrn2Ne4WPlxXNAVH7+z6BwKx65qsdZ9NWJ3n+NkPXdwl8MbPWPOffZl MIME-Version: 1.0 X-Received: by 10.157.60.42 with SMTP id q39mr3238432otc.189.1466202471432; Fri, 17 Jun 2016 15:27:51 -0700 (PDT) Received: by 10.157.46.129 with HTTP; Fri, 17 Jun 2016 15:27:51 -0700 (PDT) In-Reply-To: <20160617203237.GD5893@omniknight.lm.intel.com> References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> <1466125419-17736-3-git-send-email-vishal.l.verma@intel.com> <20160617022606.GC11810@birch.djwong.org> <20160617192647.GC5893@omniknight.lm.intel.com> <20160617195345.GA5046@birch.djwong.org> <20160617203237.GD5893@omniknight.lm.intel.com> Date: Fri, 17 Jun 2016 15:27:51 -0700 Message-ID: Subject: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks From: Dan Williams X-ASG-Orig-Subj: Re: [RFC PATCH 2/2] xfs: initial/partial support for badblocks To: Vishal Verma Cc: "Darrick J. Wong" , linux-nvdimm , Jan Kara , XFS Developers Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-oi0-f42.google.com[209.85.218.42] X-Barracuda-Start-Time: 1466202472 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 526 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.01 X-Barracuda-Spam-Status: No, SCORE=0.01 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA_TO_FROM_DOMAIN_MATCH, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30530 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.01 BSF_SC0_SA_TO_FROM_DOMAIN_MATCH Sender Domain Matches Recipient Domain On Fri, Jun 17, 2016 at 1:32 PM, Vishal Verma wrote: >> What happens if pmem signals a bad block and we try to read anyway? I know >> about the read-error-MCE thing, but what's the "more expensive" alternative? >> CPU exception? > > MCE is the CPU exception, and is what we want to avoid at all costs, as > it can cause the machine to crash. The MCE being fatal vs recoverable is the difference between platforms that must avoid badblocks vs those that can consume them and keep going. From sandeen@redhat.com Fri Jun 17 22:41:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E67067CA0 for ; Fri, 17 Jun 2016 22:41:10 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6F923AC002 for ; Fri, 17 Jun 2016 20:41:10 -0700 (PDT) X-ASG-Debug-ID: 1466221269-04bdf01e17ca3d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id BQycTAJrz0mmuAIF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Fri, 17 Jun 2016 20:41:09 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 22F52D47B0 for ; Sat, 18 Jun 2016 03:41:09 +0000 (UTC) Received: from [IPv6:::1] (ovpn03.gateway.prod.ext.phx2.redhat.com [10.5.9.3]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5I3f777014582 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 17 Jun 2016 23:41:08 -0400 To: xfs-oss From: Eric Sandeen Subject: [PATCH] xfs_repair: set rsumino version to 2 Message-ID: X-ASG-Orig-Subj: [PATCH] xfs_repair: set rsumino version to 2 Date: Fri, 17 Jun 2016 22:41:07 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sat, 18 Jun 2016 03:41:09 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466221269 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1441 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 If we run xfs/033 with "-m crc=0", the test fails with a repair output difference: Phase 7 - verify and correct link counts... +resetting inode INO nlinks from 0 to 1 done This is because when we zero out the realtime summary inode and rebuild it, we set its version to 1, then set its ip->i_d.di_nlink to 1. This is a little odd, because v1 inodes store their link count in di_onlink... Then, later in repair we call xfs_inode_from_disk(), which sees the version one inode, and converts it to version 2 in part by copying di_onlink to di_nlink. But we never *set* di_onlink, so di_nlink gets reset to zero, and this error is discovered later in repair. Interestingly, mk_rbmino() was changed in 138659f1 to set version 2; it looks like mk_rsumino was just missed. Signed-off-by: Eric Sandeen --- My only other point of confusion is that prior to ff105f7 libxfs: update to 3.16 kernel code the "resetting inode..." message wasn't emitted; I'm not sure what changed there to affect this. :/ diff --git a/repair/phase6.c b/repair/phase6.c index 0a71164..774e2cd 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -760,7 +760,7 @@ mk_rsumino(xfs_mount_t *mp) error); } - vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 1; + vers = xfs_sb_version_hascrc(&mp->m_sb) ? 3 : 2; memset(&ip->i_d, 0, sizeof(ip->i_d)); VFS_I(ip)->i_mode = S_IFREG; From gholami.f84@gmail.com Sat Jun 18 05:50:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HTML_MESSAGE,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AC94F7CA1 for ; Sat, 18 Jun 2016 05:50:06 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5CD92304032 for ; Sat, 18 Jun 2016 03:50:03 -0700 (PDT) X-ASG-Debug-ID: 1466246998-04bdf01e13d46e0001-NocioJ Received: from mail-io0-f176.google.com (mail-io0-f176.google.com [209.85.223.176]) by cuda.sgi.com with ESMTP id mKuwUZJXNOHpU6LP (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Sat, 18 Jun 2016 03:49:58 -0700 (PDT) X-Barracuda-Envelope-From: gholami.f84@gmail.com X-Barracuda-RBL-Trusted-Forwarder: 209.85.223.176 Received: by mail-io0-f176.google.com with SMTP id n127so96621141iof.3; Sat, 18 Jun 2016 03:49:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=hO27dmmx2GOvJzpuMkkD86JM3RzsXs5Ja741AD5w5eU=; b=PbrMyV2KQfhWGy4MiZLAHp5gC1pxHJH6LNac9PubCtOo/HVUQ6N5L1OfA+9sKBuuNB a0PqFXuqZovSBSPZrwj9Emp5uOVaYp66frLr1Qdq74krAurV+N2+JbZXBoixeh2QT0tH FO0kJ9yVque0X2nBgJPqC05JfLJsX/QYvWEQMoKDIO0trycIxY3sCIIYXv86m/j+Aguy tPBqxpsivPO1bilSoNTTxqB1cWQRrcWn7Q+yyklm1WxzTUcnw3iP+Ft8dsqIQKzV9z2e oV346ORpzg0Q4GzQ04oun9H2h3VAkF44/EaxjXBZFpozfJ+kB1jTtanoGP8BjN0vcSPR nupg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=hO27dmmx2GOvJzpuMkkD86JM3RzsXs5Ja741AD5w5eU=; b=BVZC4xI/aNgO8TQ3e4FO/stxxZUv5dXlC5XCXSpzH8GIangATyjPQEcKsvr27O9/Iy EG4KOzcA8KRmAiC61mVOlVNt1uMw0aZRbqFpUsGnvWrvSz4/XXckZaz2sIsf1nnWqKrC RYrH19kx7MVaVWX/XgGzdZfY28CCt/BbQY1Dyap7M47J9eSu00fAtTUA1c0YotHg/O4D Oet9FheX3ynBY/OPvmRvrHW/x4dJZb2hf+WnkfNxn465Tc3kPp9UcLIetQ8v07nagDiB S46RaP3roikkggooUUZ+NSztqaGQ3GYP2AMHJgeHysmiAV1iG0flh0bR/Pzv1IcIAV78 JGkQ== X-Gm-Message-State: ALyK8tIV3Le1LmBU6hsQXhefiWHyHGB244ZUHkYa5ktiTKR0tkkX2GDMeEWCsGB7UDgEErfASzRzR/gYWJmAQw== X-Received: by 10.107.32.148 with SMTP id g142mr8923886iog.117.1466246981562; Sat, 18 Jun 2016 03:49:41 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.133.217 with HTTP; Sat, 18 Jun 2016 03:49:41 -0700 (PDT) From: Fereydoun Gholami Date: Sat, 18 Jun 2016 15:19:41 +0430 Message-ID: Subject: xfs question To: xfs@oss.sgi.com, xfs-request@oss.sgi.com X-ASG-Orig-Subj: xfs question Content-Type: multipart/alternative; boundary=001a1141b05e7d3c2405358b3af3 X-Barracuda-Connect: mail-io0-f176.google.com[209.85.223.176] X-Barracuda-Start-Time: 1466246998 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1340 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30542 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --001a1141b05e7d3c2405358b3af3 Content-Type: text/plain; charset=UTF-8 Hello I'm java developer in Switch banking project. Recently, I started researching about xfs and j/xfs, to develop a ATM application base on XFS. Unfortunately, I do not know where to start it. i want to develop ATM application with java or c#. Is there a SDK to develop? Is there jar files or dll files of j/xfs or xfs libraries? Is there a ATM simulator for develop ATM application on my PC? please help me. Have A Good Time. --001a1141b05e7d3c2405358b3af3 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello

I'm java d= eveloper in Switch banking project.
Re= cently, I started researching about xfs and j/xfs, to develop a ATM applica= tion base on XFS.
Unfortunately, I do = not know where to start it.
i want= to develop ATM application with java or c#.
Is there a SDK to develop?
Is t= here jar files or dll files of j/xfs or xfs libraries?
Is there a ATM simulator for develop ATM application on my= PC?
please help me.

Have A Go= od Time.
--001a1141b05e7d3c2405358b3af3-- From holger@applied-asynchrony.com Sat Jun 18 06:51:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 433AF7CA0 for ; Sat, 18 Jun 2016 06:51:59 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C2941AC001 for ; Sat, 18 Jun 2016 04:51:55 -0700 (PDT) X-ASG-Debug-ID: 1466250711-04bdf01e15d5c40001-NocioJ Received: from mail02.iobjects.de (mail02.iobjects.de [188.40.134.68]) by cuda.sgi.com with ESMTP id qFm7GzvjHuVbVp4A (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 04:51:53 -0700 (PDT) X-Barracuda-Envelope-From: holger@applied-asynchrony.com X-Barracuda-Effective-Source-IP: mail02.iobjects.de[188.40.134.68] X-Barracuda-Apparent-Source-IP: 188.40.134.68 Received: from tux.wizards.de (pD953E4E5.dip0.t-ipconnect.de [217.83.228.229]) by mail02.iobjects.de (Postfix) with ESMTPSA id 2080E416017E; Sat, 18 Jun 2016 13:51:51 +0200 (CEST) Received: from [192.168.100.223] (ragnarok [192.168.100.223]) by tux.wizards.de (Postfix) with ESMTP id AFD2511C01D3; Sat, 18 Jun 2016 13:51:50 +0200 (CEST) Subject: Re: xfs question To: Fereydoun Gholami , xfs@oss.sgi.com X-ASG-Orig-Subj: Re: xfs question References: From: =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= Organization: Applied Asynchrony, Inc. Message-ID: <576535D6.6050403@applied-asynchrony.com> Date: Sat, 18 Jun 2016 13:51:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail02.iobjects.de[188.40.134.68] X-Barracuda-Start-Time: 1466250712 X-Barracuda-Encrypted: DHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 419 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30543 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 06/18/16 12:49, Fereydoun Gholami wrote: > I'm java developer in Switch banking project. > Recently, I started researching about xfs and j/xfs, to develop a ATM application base on XFS. > Unfortunately, I do not know where to start it. It looks like you took a wrong turn somewhere. This list is about the XFS filesystem in Linux and has nothing to do with Java or jXFS used for financial services. -h From bfoster@redhat.com Sat Jun 18 08:27:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 174F47CA0 for ; Sat, 18 Jun 2016 08:27:49 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id BCE4A304048 for ; Sat, 18 Jun 2016 06:27:48 -0700 (PDT) X-ASG-Debug-ID: 1466256464-04bdf01e17d9f70001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id hCkYCkJIBBhQx0yF (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 06:27:44 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 203CE46200; Sat, 18 Jun 2016 13:27:44 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5IDRhAF012792; Sat, 18 Jun 2016 09:27:43 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 9D865123469; Sat, 18 Jun 2016 09:27:42 -0400 (EDT) Date: Sat, 18 Jun 2016 09:27:42 -0400 From: Brian Foster To: Benjamin Wirth Cc: "xfs@oss.sgi.com" Subject: Re: on-disk free blocks B-Tree update Message-ID: <20160618132742.GB47303@bfoster.bfoster> X-ASG-Orig-Subj: Re: on-disk free blocks B-Tree update References: <97A4F433DEE099488FE21C1718A641D213A0320A@wmsexchsvr02.winmagic.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <97A4F433DEE099488FE21C1718A641D213A0320A@wmsexchsvr02.winmagic.local> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sat, 18 Jun 2016 13:27:44 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466256464 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1712 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Jun 17, 2016 at 08:02:59PM +0000, Benjamin Wirth wrote: > Hello XFS community, > > I have code that parses the free blocks B-Tree from the disk but it seems to me that the on-disk version of the B-Tree is not updated even when sync() is called, so that the disk version of the B-Tree becomes outdated. Is that correct? > > I have debug information from the kernel BIO layer where I see sectors/blocks being flushed out by the sync but the B-Tree on disk still lists those blocks as free. At what time is the on-disk B-Tree updated, only at umount? > Calling sync() will first flush out all cached user data. This, in turn, may result in block allocation transactions, etc. sync() then calls into the fs superblock ->sync_fs() handler, which on XFS forces the log to disk. This means the metadata changes associated with the user data are persistent in the log, but not necessarily written back to disk. This occurs some time later according to the internal state of the fs. > Is there any way to force the in-memory B-Tree to be flushed to disk? > The only thing that comes to mind is to freeze ('fsfreeze -f ') the fs, which appears to push the AIL. This is really the only way to get a coherent view of the fs on disk while mounted, anyways. I also assume you're using direct I/O, as the underlying disk buffer/page cache is not coherent with XFS I/O. Brian > Thanks for any help, > Ben > > Benjamin Wirth | Senior Software Developer > WinMagic Inc. > 5600A Cancross Court > Mississauga, ON | L5R 3E9 | Canada > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From felix.janda@posteo.de Sat Jun 18 09:54:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0FA657CA0 for ; Sat, 18 Jun 2016 09:54:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 91904AC001 for ; Sat, 18 Jun 2016 07:53:58 -0700 (PDT) X-ASG-Debug-ID: 1466261633-04bdf01e10dfad0001-NocioJ Received: from mout01.posteo.de (mout01.posteo.de [185.67.36.65]) by cuda.sgi.com with ESMTP id SXZM1tMChDWNmdM3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 07:53:54 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout01.posteo.de[185.67.36.65] X-Barracuda-Apparent-Source-IP: 185.67.36.65 Received: from dovecot03.posteo.de (dovecot03.posteo.de [172.16.0.13]) by mout01.posteo.de (Postfix) with ESMTPS id C452B209DB for ; Sat, 18 Jun 2016 16:53:52 +0200 (CEST) Received: from mail.posteo.de (localhost [127.0.0.1]) by dovecot03.posteo.de (Postfix) with ESMTPSA id 3rX0W44NDwz5vN5 for ; Sat, 18 Jun 2016 16:53:52 +0200 (CEST) Date: Sat, 18 Jun 2016 16:52:38 +0200 From: Felix Janda To: xfs@oss.sgi.com Subject: [PATCH 1/4] Remove off64_t from linux.h Message-ID: <20160618145238.GA17768@nyan> X-ASG-Orig-Subj: [PATCH 1/4] Remove off64_t from linux.h MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout01.posteo.de[185.67.36.65] X-Barracuda-Start-Time: 1466261634 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1573 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30546 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- The off64_t type is usually only conditionally exposed under the feature test macro _LARGEFILE64_SOURCE (also defined by _GNU_SOURCE). To make the public xfs headers more standalone therefore off64_t should be avoided. Enable transparent large file support via configure so that the standard off_t is the same as off64_t. Make compilation of linux programs using libxfs but without large file support fail. Now off64_t can safely be replaced by off_t in linux.h. Signed-off-by: Felix Janda --- configure.ac | 2 ++ include/linux.h | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index a4a6cfa..2ea3e50 100644 --- a/configure.ac +++ b/configure.ac @@ -107,6 +107,8 @@ AC_PACKAGE_UTILITIES(xfsprogs) AC_MULTILIB($enable_lib64) AC_RT($enable_librt) +AC_SYS_LARGEFILE + AC_PACKAGE_NEED_UUID_H AC_PACKAGE_NEED_UUIDCOMPARE diff --git a/include/linux.h b/include/linux.h index cc0f70c..b94de81 100644 --- a/include/linux.h +++ b/include/linux.h @@ -142,7 +142,12 @@ platform_discard_blocks(int fd, uint64_t start, uint64_t len) #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ #define EFSBADCRC EBADMSG /* Bad CRC detected */ -typedef off64_t xfs_off_t; +/* Make compilation fail when off_t has 32 bits */ +struct __xfs_assert_64bit_off_t { + int assert_64bit_off_t[sizeof(off_t)-8]; +}; + +typedef off_t xfs_off_t; typedef __uint64_t xfs_ino_t; typedef __uint32_t xfs_dev_t; typedef __int64_t xfs_daddr_t; -- 2.7.3 From felix.janda@posteo.de Sat Jun 18 09:54:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C4B877CA0 for ; Sat, 18 Jun 2016 09:54:19 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 8508C304032 for ; Sat, 18 Jun 2016 07:54:16 -0700 (PDT) X-ASG-Debug-ID: 1466261651-04bdf01e13dfaf0001-NocioJ Received: from mout02.posteo.de (mout02.posteo.de [185.67.36.66]) by cuda.sgi.com with ESMTP id WAkQL21AZkT2L4Dg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 07:54:13 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout02.posteo.de[185.67.36.66] X-Barracuda-Apparent-Source-IP: 185.67.36.66 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 6EB19209B7 for ; Sat, 18 Jun 2016 16:54:10 +0200 (CEST) Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3rX0WM3N82zyfr for ; Sat, 18 Jun 2016 16:54:07 +0200 (CEST) Date: Sat, 18 Jun 2016 16:52:53 +0200 From: Felix Janda To: xfs@oss.sgi.com Subject: [PATCH 2/4] Simplify workaround for old glibc getsubopt() Message-ID: <20160618145253.GB17768@nyan> X-ASG-Orig-Subj: [PATCH 2/4] Simplify workaround for old glibc getsubopt() MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout02.posteo.de[185.67.36.66] X-Barracuda-Start-Time: 1466261653 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5228 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30546 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Felix Janda --- include/darwin.h | 1 - include/freebsd.h | 2 -- include/gnukfreebsd.h | 2 -- include/irix.h | 2 -- include/linux.h | 4 +--- mkfs/xfs_mkfs.c | 16 ++++++++-------- repair/xfs_repair.c | 4 ++-- 7 files changed, 11 insertions(+), 20 deletions(-) diff --git a/include/darwin.h b/include/darwin.h index a52030d..45e0c03 100644 --- a/include/darwin.h +++ b/include/darwin.h @@ -160,7 +160,6 @@ typedef int64_t xfs_daddr_t; #define EFSCORRUPTED 990 /* Filesystem is corrupted */ #define EFSBADCRC 991 /* Bad CRC detected */ -#define constpp char * const * #define HAVE_FID 1 diff --git a/include/freebsd.h b/include/freebsd.h index f7e0c75..6e77427 100644 --- a/include/freebsd.h +++ b/include/freebsd.h @@ -43,8 +43,6 @@ #define fdatasync fsync #define memalign(a,sz) valloc(sz) -#define constpp char * const * - #define EFSCORRUPTED 990 /* Filesystem is corrupted */ #define EFSBADCRC 991 /* Bad CRC detected */ diff --git a/include/gnukfreebsd.h b/include/gnukfreebsd.h index 64167b2..d55acfb 100644 --- a/include/gnukfreebsd.h +++ b/include/gnukfreebsd.h @@ -33,8 +33,6 @@ #include #include -#define constpp char * const * - #define EFSCORRUPTED 990 /* Filesystem is corrupted */ #define EFSBADCRC 991 /* Bad CRC detected */ diff --git a/include/irix.h b/include/irix.h index c2191ee..b92e01b 100644 --- a/include/irix.h +++ b/include/irix.h @@ -184,8 +184,6 @@ typedef struct xfs_efd_log_format_32 { #define inline __inline #endif -#define constpp char * const * - /*ARGSUSED*/ static __inline__ int xfsctl(const char *path, int fd, int cmd, void *arg) { diff --git a/include/linux.h b/include/linux.h index b94de81..f6d0f80 100644 --- a/include/linux.h +++ b/include/linux.h @@ -133,9 +133,7 @@ platform_discard_blocks(int fd, uint64_t start, uint64_t len) } #if (__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ <= 1)) -# define constpp const char * const * -#else -# define constpp char * const * +# define getsubopt(p, s, v) getsubopt(p, (const char * const *)s, v) #endif #define ENOATTR ENODATA /* Attribute not found */ diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 955dcfd..99c5eb5 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -1829,7 +1829,7 @@ main( char **subopts = (char **)bopts.subopts; char *value; - switch (getsubopt(&p, (constpp)subopts, + switch (getsubopt(&p, subopts, &value)) { case B_LOG: blocklog = getnum(value, &bopts, B_LOG); @@ -1853,7 +1853,7 @@ main( char **subopts = (char **)dopts.subopts; char *value; - switch (getsubopt(&p, (constpp)subopts, + switch (getsubopt(&p, subopts, &value)) { case D_AGCOUNT: agcount = getnum(value, &dopts, @@ -1933,7 +1933,7 @@ main( char **subopts = (char **)iopts.subopts; char *value; - switch (getsubopt(&p, (constpp)subopts, + switch (getsubopt(&p, subopts, &value)) { case I_ALIGN: sb_feat.inode_align = getnum(value, @@ -1983,7 +1983,7 @@ main( char **subopts = (char **)lopts.subopts; char *value; - switch (getsubopt(&p, (constpp)subopts, + switch (getsubopt(&p, subopts, &value)) { case L_AGNUM: logagno = getnum(value, &lopts, L_AGNUM); @@ -2055,7 +2055,7 @@ main( char **subopts = (char **)mopts.subopts; char *value; - switch (getsubopt(&p, (constpp)subopts, + switch (getsubopt(&p, subopts, &value)) { case M_CRC: sb_feat.crcs_enabled = @@ -2084,7 +2084,7 @@ main( char **subopts = (char **)nopts.subopts; char *value; - switch (getsubopt(&p, (constpp)subopts, + switch (getsubopt(&p, subopts, &value)) { case N_LOG: dirblocklog = getnum(value, &nopts, @@ -2140,7 +2140,7 @@ main( char **subopts = (char **)ropts.subopts; char *value; - switch (getsubopt(&p, (constpp)subopts, + switch (getsubopt(&p, subopts, &value)) { case R_EXTSIZE: rtextsize = getstr(value, &ropts, @@ -2173,7 +2173,7 @@ main( char **subopts = (char **)sopts.subopts; char *value; - switch (getsubopt(&p, (constpp)subopts, + switch (getsubopt(&p, subopts, &value)) { case S_LOG: case S_SECTLOG: diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c index 9d91f2d..5a433ed 100644 --- a/repair/xfs_repair.c +++ b/repair/xfs_repair.c @@ -225,7 +225,7 @@ process_args(int argc, char **argv) while (*p != '\0') { char *val; - switch (getsubopt(&p, (constpp)o_opts, &val)) { + switch (getsubopt(&p, o_opts, &val)) { case ASSUME_XFS: if (val) noval('o', o_opts, ASSUME_XFS); @@ -276,7 +276,7 @@ process_args(int argc, char **argv) while (*p) { char *val; - switch (getsubopt(&p, (constpp)c_opts, &val)) { + switch (getsubopt(&p, c_opts, &val)) { case CONVERT_LAZY_COUNT: lazy_count = (int)strtol(val, NULL, 0); convert_lazy_count = 1; -- 2.7.3 From felix.janda@posteo.de Sat Jun 18 09:54:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4479E7CAE for ; Sat, 18 Jun 2016 09:54:25 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 16ABF30404E for ; Sat, 18 Jun 2016 07:54:25 -0700 (PDT) X-ASG-Debug-ID: 1466261661-04cb6c54278e520001-NocioJ Received: from mout01.posteo.de (mout01.posteo.de [185.67.36.65]) by cuda.sgi.com with ESMTP id 226YA186CyDFMJKc (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 07:54:23 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout01.posteo.de[185.67.36.65] X-Barracuda-Apparent-Source-IP: 185.67.36.65 Received: from dovecot03.posteo.de (dovecot03.posteo.de [172.16.0.13]) by mout01.posteo.de (Postfix) with ESMTPS id 6F5B9209F6 for ; Sat, 18 Jun 2016 16:54:21 +0200 (CEST) Received: from mail.posteo.de (localhost [127.0.0.1]) by dovecot03.posteo.de (Postfix) with ESMTPSA id 3rX0Wd238Pz5vMs for ; Sat, 18 Jun 2016 16:54:21 +0200 (CEST) Date: Sat, 18 Jun 2016 16:53:07 +0200 From: Felix Janda To: xfs@oss.sgi.com Subject: [PATCH 3/4] Make workaround for old glibc getsubopt() glibc-specific Message-ID: <20160618145307.GC17768@nyan> X-ASG-Orig-Subj: [PATCH 3/4] Make workaround for old glibc getsubopt() glibc-specific MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout01.posteo.de[185.67.36.65] X-Barracuda-Start-Time: 1466261662 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 621 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30546 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Signed-off-by: Felix Janda --- include/linux.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux.h b/include/linux.h index f6d0f80..873b682 100644 --- a/include/linux.h +++ b/include/linux.h @@ -132,7 +132,7 @@ platform_discard_blocks(int fd, uint64_t start, uint64_t len) return 0; } -#if (__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ <= 1)) +#if defined(__GLIBC__) && ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ <= 1))) # define getsubopt(p, s, v) getsubopt(p, (const char * const *)s, v) #endif -- 2.7.3 From felix.janda@posteo.de Sat Jun 18 09:55:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3CB127CA0 for ; Sat, 18 Jun 2016 09:55:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id F241C304032 for ; Sat, 18 Jun 2016 07:55:06 -0700 (PDT) X-ASG-Debug-ID: 1466261703-04bdf01e13dfb80001-NocioJ Received: from mout01.posteo.de (mout01.posteo.de [185.67.36.65]) by cuda.sgi.com with ESMTP id HUs9Eu0ujscLkLHm (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 07:55:04 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout01.posteo.de[185.67.36.65] X-Barracuda-Apparent-Source-IP: 185.67.36.65 Received: from dovecot03.posteo.de (dovecot03.posteo.de [172.16.0.13]) by mout01.posteo.de (Postfix) with ESMTPS id 87CE520A88 for ; Sat, 18 Jun 2016 16:55:03 +0200 (CEST) Received: from mail.posteo.de (localhost [127.0.0.1]) by dovecot03.posteo.de (Postfix) with ESMTPSA id 3rX0XR2dKGz5vML; Sat, 18 Jun 2016 16:55:03 +0200 (CEST) Date: Sat, 18 Jun 2016 16:53:49 +0200 From: Felix Janda To: Christoph Hellwig Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/6] libxfs/linux.c: Replace use of ustat by stat Message-ID: <20160618145349.GA17760@nyan> X-ASG-Orig-Subj: Re: [PATCH 2/6] libxfs/linux.c: Replace use of ustat by stat References: <20160112195945.GC568@nyan> <20160113075501.GC21939@infradead.org> <20160113174241.GC10942@nyan> <20160114102009.GD27644@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160114102009.GD27644@infradead.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout01.posteo.de[185.67.36.65] X-Barracuda-Start-Time: 1466261704 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 996 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30546 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, 14 Jan 2016 at 02:20:09 -0800, Christoph Hellwig wrote: > On Wed, Jan 13, 2016 at 06:42:41PM +0100, Felix Janda wrote: > > Is this really performance relevant? > > I'm not entirely sure. There are systems with giant amounts of mounted > file systems, in which case iterating each of them and requiring > multiple syscalls each might not be a good idea. > > > Hmm, so we couldn't we use for linux just something like > > > > int > > platform_check_ismounted(char *name, char *block, struct stat64 *s, int verbose) > > { > > int fd = open(block, O_EXCL); > > int e = errno; > > > > if (fd != -1) close(fd); > > if (e == EBUSY) { > > if (verbose) > > fprintf(stderr, _("%s: %s contains a mounted filesystem\n"), progname, name); > > return 1; > > } > > > > return 0; > > Please give me a couple of days to come up with an idea to use O_EXCL > on Linux and work around it on other platforms in a more integrated way. Ping? Thanks, Felix From felix.janda@posteo.de Sat Jun 18 09:55:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A13677CA4 for ; Sat, 18 Jun 2016 09:55:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 610878F8037 for ; Sat, 18 Jun 2016 07:55:08 -0700 (PDT) X-ASG-Debug-ID: 1466261693-04bdf01e17dfb70001-NocioJ Received: from mout01.posteo.de (mout01.posteo.de [185.67.36.65]) by cuda.sgi.com with ESMTP id SgJ7Yc5YOMK4ZsIu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 07:54:54 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout01.posteo.de[185.67.36.65] X-Barracuda-Apparent-Source-IP: 185.67.36.65 Received: from dovecot03.posteo.de (dovecot03.posteo.de [172.16.0.13]) by mout01.posteo.de (Postfix) with ESMTPS id 762A920B92 for ; Sat, 18 Jun 2016 16:54:53 +0200 (CEST) Received: from mail.posteo.de (localhost [127.0.0.1]) by dovecot03.posteo.de (Postfix) with ESMTPSA id 3rX0XD5fpyz5vML for ; Sat, 18 Jun 2016 16:54:52 +0200 (CEST) Date: Sat, 18 Jun 2016 16:53:30 +0200 From: Felix Janda To: xfs@oss.sgi.com Subject: [PATCH 4/4] Move to more stdint types Message-ID: <20160618145330.GD17768@nyan> X-ASG-Orig-Subj: [PATCH 4/4] Move to more stdint types MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout01.posteo.de[185.67.36.65] X-Barracuda-Start-Time: 1466261694 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 98642 X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30546 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- The uint*_t and int*_t are defined by C99 and should be prefered over the less portable __uint*_t and __int*_t variants. The necessary include is in platformdefs.h, which gets included in most places via libxfs.h. For now, only replace all __uint*_t types to uint*_t and likewise for __int*_t outside the directories include/ and libxfs/. Signed-off-by: Felix Janda --- copy/xfs_copy.c | 14 ++++---- copy/xfs_copy.h | 2 +- db/attr.c | 8 ++--- db/attrshort.c | 4 +-- db/bit.c | 4 +-- db/bit.h | 2 +- db/block.c | 8 ++--- db/check.c | 18 +++++----- db/convert.c | 28 ++++++++-------- db/faddr.c | 14 ++++---- db/field.c | 44 ++++++++++++------------- db/fprint.c | 8 ++--- db/frag.c | 8 ++--- db/inode.c | 30 ++++++++--------- db/io.c | 4 +-- db/io.h | 8 ++--- db/metadump.c | 12 +++---- db/sb.c | 6 ++-- fsr/xfs_fsr.c | 2 +- libhandle/handle.c | 2 +- libhandle/jdm.c | 2 +- logprint/log_misc.c | 6 ++-- mdrestore/xfs_mdrestore.c | 2 +- mkfs/proto.c | 2 +- mkfs/xfs_mkfs.c | 84 +++++++++++++++++++++++------------------------ quota/edit.c | 64 ++++++++++++++++++------------------ quota/free.c | 44 ++++++++++++------------- quota/quot.c | 24 +++++++------- quota/quota.c | 4 +-- quota/quota.h | 12 +++---- quota/report.c | 4 +-- quota/state.c | 2 +- quota/util.c | 66 ++++++++++++++++++------------------- repair/README | 2 +- repair/agheader.h | 14 ++++---- repair/attr_repair.h | 26 +++++++-------- repair/avl64.c | 38 ++++++++++----------- repair/avl64.h | 18 +++++----- repair/dino_chunks.c | 2 +- repair/dinode.c | 38 ++++++++++----------- repair/dinode.h | 4 +-- repair/dir2.c | 2 +- repair/globals.h | 16 ++++----- repair/incore.c | 10 +++--- repair/incore.h | 42 ++++++++++++------------ repair/incore_ext.c | 6 ++-- repair/incore_ino.c | 72 ++++++++++++++++++++-------------------- repair/phase2.c | 2 +- repair/phase3.c | 6 ++-- repair/phase4.c | 4 +-- repair/phase5.c | 40 +++++++++++----------- repair/phase6.c | 16 ++++----- repair/phase7.c | 6 ++-- repair/progress.c | 30 ++++++++--------- repair/progress.h | 4 +-- repair/sb.c | 10 +++--- repair/scan.c | 42 ++++++++++++------------ repair/scan.h | 12 +++---- 58 files changed, 502 insertions(+), 502 deletions(-) diff --git a/copy/xfs_copy.c b/copy/xfs_copy.c index 3c8998c..55ccf90 100644 --- a/copy/xfs_copy.c +++ b/copy/xfs_copy.c @@ -43,7 +43,7 @@ unsigned int source_sectorsize; /* source disk sectorsize */ xfs_agblock_t first_agbno; -__uint64_t barcount[11]; +uint64_t barcount[11]; unsigned int num_targets; target_control *target; @@ -313,7 +313,7 @@ usage(void) } void -init_bar(__uint64_t source_blocks) +init_bar(uint64_t source_blocks) { int i; @@ -322,7 +322,7 @@ init_bar(__uint64_t source_blocks) } int -bump_bar(int tenths, __uint64_t numblocks) +bump_bar(int tenths, uint64_t numblocks) { static char *bar[11] = { " 0% ", @@ -532,8 +532,8 @@ main(int argc, char **argv) xfs_off_t pos; size_t length; int c; - __uint64_t size, sizeb; - __uint64_t numblocks = 0; + uint64_t size, sizeb; + uint64_t numblocks = 0; int wblocks = 0; int num_threads = 0; struct dioattr d; @@ -949,8 +949,8 @@ main(int argc, char **argv) num_ags = mp->m_sb.sb_agcount; init_bar(mp->m_sb.sb_blocksize / BBSIZE - * ((__uint64_t)mp->m_sb.sb_dblocks - - (__uint64_t)mp->m_sb.sb_fdblocks + 10 * num_ags)); + * ((uint64_t)mp->m_sb.sb_dblocks + - (uint64_t)mp->m_sb.sb_fdblocks + 10 * num_ags)); kids = num_targets; diff --git a/copy/xfs_copy.h b/copy/xfs_copy.h index 2737068..53c6e42 100644 --- a/copy/xfs_copy.h +++ b/copy/xfs_copy.h @@ -76,7 +76,7 @@ typedef struct { typedef int thread_id; typedef int tm_index; /* index into thread mask array */ -typedef __uint32_t thread_mask; /* a thread mask */ +typedef uint32_t thread_mask; /* a thread mask */ typedef struct { char *name; diff --git a/db/attr.c b/db/attr.c index e26ac67..6f56953 100644 --- a/db/attr.c +++ b/db/attr.c @@ -77,16 +77,16 @@ const field_t attr_leaf_entry_flds[] = { { "nameidx", FLDT_UINT16D, OI(LEOFF(nameidx)), C1, 0, TYP_NONE }, { "flags", FLDT_UINT8X, OI(LEOFF(flags)), C1, FLD_SKIPALL, TYP_NONE }, { "incomplete", FLDT_UINT1, - OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_INCOMPLETE_BIT - 1), C1, + OI(LEOFF(flags) + bitsz(uint8_t) - XFS_ATTR_INCOMPLETE_BIT - 1), C1, 0, TYP_NONE }, { "root", FLDT_UINT1, - OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_ROOT_BIT - 1), C1, 0, + OI(LEOFF(flags) + bitsz(uint8_t) - XFS_ATTR_ROOT_BIT - 1), C1, 0, TYP_NONE }, { "secure", FLDT_UINT1, - OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_SECURE_BIT - 1), C1, 0, + OI(LEOFF(flags) + bitsz(uint8_t) - XFS_ATTR_SECURE_BIT - 1), C1, 0, TYP_NONE }, { "local", FLDT_UINT1, - OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_LOCAL_BIT - 1), C1, 0, + OI(LEOFF(flags) + bitsz(uint8_t) - XFS_ATTR_LOCAL_BIT - 1), C1, 0, TYP_NONE }, { "pad2", FLDT_UINT8X, OI(LEOFF(pad2)), C1, FLD_SKIPALL, TYP_NONE }, { NULL } diff --git a/db/attrshort.c b/db/attrshort.c index d82559c..2ef358f 100644 --- a/db/attrshort.c +++ b/db/attrshort.c @@ -51,10 +51,10 @@ const field_t attr_sf_entry_flds[] = { { "valuelen", FLDT_UINT8D, OI(EOFF(valuelen)), C1, 0, TYP_NONE }, { "flags", FLDT_UINT8X, OI(EOFF(flags)), C1, FLD_SKIPALL, TYP_NONE }, { "root", FLDT_UINT1, - OI(EOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_ROOT_BIT - 1), C1, 0, + OI(EOFF(flags) + bitsz(uint8_t) - XFS_ATTR_ROOT_BIT - 1), C1, 0, TYP_NONE }, { "secure", FLDT_UINT1, - OI(EOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_SECURE_BIT - 1), C1, 0, + OI(EOFF(flags) + bitsz(uint8_t) - XFS_ATTR_SECURE_BIT - 1), C1, 0, TYP_NONE }, { "name", FLDT_CHARNS, OI(EOFF(nameval)), attr_sf_entry_name_count, FLD_COUNT, TYP_NONE }, diff --git a/db/bit.c b/db/bit.c index 24872bf..f5ebf68 100644 --- a/db/bit.c +++ b/db/bit.c @@ -60,7 +60,7 @@ setbit( } } -__int64_t +int64_t getbitval( void *obj, int bitoff, @@ -70,7 +70,7 @@ getbitval( int bit; int i; char *p; - __int64_t rval; + int64_t rval; int signext; int z1, z2, z3, z4; diff --git a/db/bit.h b/db/bit.h index 80ba24c..9fd71f4 100644 --- a/db/bit.h +++ b/db/bit.h @@ -25,5 +25,5 @@ #define BVUNSIGNED 0 #define BVSIGNED 1 -extern __int64_t getbitval(void *obj, int bitoff, int nbits, int flags); +extern int64_t getbitval(void *obj, int bitoff, int nbits, int flags); extern void setbitval(void *obuf, int bitoff, int nbits, void *ibuf); diff --git a/db/block.c b/db/block.c index 4a357ce..5ecd687 100644 --- a/db/block.c +++ b/db/block.c @@ -98,7 +98,7 @@ ablock_f( } dfsbno = bm.startblock + (bno - bm.startoff); ASSERT(typtab[TYP_ATTR].typnm == TYP_ATTR); - set_cur(&typtab[TYP_ATTR], (__int64_t)XFS_FSB_TO_DADDR(mp, dfsbno), + set_cur(&typtab[TYP_ATTR], (int64_t)XFS_FSB_TO_DADDR(mp, dfsbno), blkbb, DB_RING_ADD, NULL); return 0; } @@ -128,14 +128,14 @@ daddr_f( int argc, char **argv) { - __int64_t d; + int64_t d; char *p; if (argc == 1) { dbprintf(_("current daddr is %lld\n"), iocur_top->off >> BBSHIFT); return 0; } - d = (__int64_t)strtoull(argv[1], &p, 0); + d = (int64_t)strtoull(argv[1], &p, 0); if (*p != '\0' || d >= mp->m_sb.sb_dblocks << (mp->m_sb.sb_blocklog - BBSHIFT)) { dbprintf(_("bad daddr %s\n"), argv[1]); @@ -197,7 +197,7 @@ dblock_f( ASSERT(typtab[type].typnm == type); if (nex > 1) make_bbmap(&bbmap, nex, bmp); - set_cur(&typtab[type], (__int64_t)XFS_FSB_TO_DADDR(mp, dfsbno), + set_cur(&typtab[type], (int64_t)XFS_FSB_TO_DADDR(mp, dfsbno), nb * blkbb, DB_RING_ADD, nex > 1 ? &bbmap : NULL); free(bmp); return 0; diff --git a/db/check.c b/db/check.c index 0871ed7..25c253d 100644 --- a/db/check.c +++ b/db/check.c @@ -112,8 +112,8 @@ typedef struct dirhash { static xfs_extlen_t agffreeblks; static xfs_extlen_t agflongest; -static __uint64_t agf_aggr_freeblks; /* aggregate count over all */ -static __uint32_t agfbtreeblks; +static uint64_t agf_aggr_freeblks; /* aggregate count over all */ +static uint32_t agfbtreeblks; static int lazycount; static xfs_agino_t agicount; static xfs_agino_t agifreecount; @@ -122,10 +122,10 @@ static int blist_size; static char **dbmap; /* really dbm_t:8 */ static dirhash_t **dirhash; static int error; -static __uint64_t fdblocks; -static __uint64_t frextents; -static __uint64_t icount; -static __uint64_t ifree; +static uint64_t fdblocks; +static uint64_t frextents; +static uint64_t icount; +static uint64_t ifree; static inodata_t ***inodata; static int inodata_hash_size; static inodata_t ***inomap; @@ -1173,7 +1173,7 @@ blocktrash_f( goto out; } for (i = 0; i < count; i++) { - randb = (xfs_rfsblock_t)((((__int64_t)random() << 32) | + randb = (xfs_rfsblock_t)((((int64_t)random() << 32) | random()) % blocks); for (bi = 0, agno = 0, done = 0; !done && agno < mp->m_sb.sb_agcount; @@ -2985,7 +2985,7 @@ process_leaf_node_dir_v2( } if (v) dbprintf(_("dir inode %lld block %u=%llu\n"), id->ino, - (__uint32_t)dbno, + (uint32_t)dbno, (xfs_fsblock_t)bmp->startblock); push_cur(); if (nex > 1) @@ -2998,7 +2998,7 @@ process_leaf_node_dir_v2( if (!sflag || v) dbprintf(_("can't read block %u for directory " "inode %lld\n"), - (__uint32_t)dbno, id->ino); + (uint32_t)dbno, id->ino); error++; pop_cur(); dbno += mp->m_dir_geo->fsbcount - 1; diff --git a/db/convert.c b/db/convert.c index a337abe..fa4f962 100644 --- a/db/convert.c +++ b/db/convert.c @@ -24,13 +24,13 @@ #define M(A) (1 << CT_ ## A) #define agblock_to_bytes(x) \ - ((__uint64_t)(x) << mp->m_sb.sb_blocklog) + ((uint64_t)(x) << mp->m_sb.sb_blocklog) #define agino_to_bytes(x) \ - ((__uint64_t)(x) << mp->m_sb.sb_inodelog) + ((uint64_t)(x) << mp->m_sb.sb_inodelog) #define agnumber_to_bytes(x) \ - agblock_to_bytes((__uint64_t)(x) * mp->m_sb.sb_agblocks) + agblock_to_bytes((uint64_t)(x) * mp->m_sb.sb_agblocks) #define daddr_to_bytes(x) \ - ((__uint64_t)(x) << BBSHIFT) + ((uint64_t)(x) << BBSHIFT) #define fsblock_to_bytes(x) \ (agnumber_to_bytes(XFS_FSB_TO_AGNO(mp, (x))) + \ agblock_to_bytes(XFS_FSB_TO_AGBNO(mp, (x)))) @@ -38,7 +38,7 @@ (agnumber_to_bytes(XFS_INO_TO_AGNO(mp, (x))) + \ agino_to_bytes(XFS_INO_TO_AGINO(mp, (x)))) #define inoidx_to_bytes(x) \ - ((__uint64_t)(x) << mp->m_sb.sb_inodelog) + ((uint64_t)(x) << mp->m_sb.sb_inodelog) typedef enum { CT_NONE = -1, @@ -68,7 +68,7 @@ typedef union { xfs_agnumber_t agnumber; int bboff; int blkoff; - __uint64_t byte; + uint64_t byte; xfs_daddr_t daddr; xfs_fsblock_t fsblock; xfs_ino_t ino; @@ -76,7 +76,7 @@ typedef union { int inooff; } cval_t; -static __uint64_t bytevalue(ctype_t ctype, cval_t *val); +static uint64_t bytevalue(ctype_t ctype, cval_t *val); static int convert_f(int argc, char **argv); static int getvalue(char *s, ctype_t ctype, cval_t *val); static ctype_t lookupcty(char *ctyname); @@ -118,7 +118,7 @@ static const cmdinfo_t convert_cmd = { "convert", NULL, convert_f, 3, 9, 0, "type num [type num]... type", "convert from one address form to another", NULL }; -static __uint64_t +static uint64_t bytevalue(ctype_t ctype, cval_t *val) { switch (ctype) { @@ -129,9 +129,9 @@ bytevalue(ctype_t ctype, cval_t *val) case CT_AGNUMBER: return agnumber_to_bytes(val->agnumber); case CT_BBOFF: - return (__uint64_t)val->bboff; + return (uint64_t)val->bboff; case CT_BLKOFF: - return (__uint64_t)val->blkoff; + return (uint64_t)val->blkoff; case CT_BYTE: return val->byte; case CT_DADDR: @@ -143,7 +143,7 @@ bytevalue(ctype_t ctype, cval_t *val) case CT_INOIDX: return inoidx_to_bytes(val->inoidx); case CT_INOOFF: - return (__uint64_t)val->inooff; + return (uint64_t)val->inooff; case CT_NONE: case NCTS: break; @@ -160,7 +160,7 @@ convert_f(int argc, char **argv) cval_t cvals[NCTS] = {}; int i; int mask; - __uint64_t v; + uint64_t v; ctype_t wtype; /* move past the "convert" command */ @@ -262,7 +262,7 @@ static int getvalue(char *s, ctype_t ctype, cval_t *val) { char *p; - __uint64_t v; + uint64_t v; v = strtoull(s, &p, 0); if (*p != '\0') { @@ -286,7 +286,7 @@ getvalue(char *s, ctype_t ctype, cval_t *val) val->blkoff = (int)v; break; case CT_BYTE: - val->byte = (__uint64_t)v; + val->byte = (uint64_t)v; break; case CT_DADDR: val->daddr = (xfs_daddr_t)v; diff --git a/db/faddr.c b/db/faddr.c index e368d0d..6ded295 100644 --- a/db/faddr.c +++ b/db/faddr.c @@ -79,11 +79,11 @@ fa_attrblock( typnm_t next) { bmap_ext_t bm; - __uint32_t bno; + uint32_t bno; xfs_fsblock_t dfsbno; int nex; - bno = (__uint32_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED); + bno = (uint32_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED); if (bno == 0) { dbprintf(_("null attribute block number, cannot set new addr\n")); return; @@ -96,7 +96,7 @@ fa_attrblock( } dfsbno = bm.startblock + (bno - bm.startoff); ASSERT(typtab[next].typnm == next); - set_cur(&typtab[next], (__int64_t)XFS_FSB_TO_DADDR(mp, dfsbno), blkbb, + set_cur(&typtab[next], (int64_t)XFS_FSB_TO_DADDR(mp, dfsbno), blkbb, DB_RING_ADD, NULL); } @@ -276,11 +276,11 @@ fa_dirblock( { bbmap_t bbmap; bmap_ext_t *bmp; - __uint32_t bno; + uint32_t bno; xfs_fsblock_t dfsbno; int nex; - bno = (__uint32_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED); + bno = (uint32_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED); if (bno == 0) { dbprintf(_("null directory block number, cannot set new addr\n")); return; @@ -297,7 +297,7 @@ fa_dirblock( ASSERT(typtab[next].typnm == next); if (nex > 1) make_bbmap(&bbmap, nex, bmp); - set_cur(&typtab[next], (__int64_t)XFS_FSB_TO_DADDR(mp, dfsbno), + set_cur(&typtab[next], (int64_t)XFS_FSB_TO_DADDR(mp, dfsbno), XFS_FSB_TO_BB(mp, mp->m_dir_geo->fsbcount), DB_RING_ADD, nex > 1 ? &bbmap : NULL); free(bmp); @@ -317,7 +317,7 @@ fa_drfsbno( return; } ASSERT(typtab[next].typnm == next); - set_cur(&typtab[next], (__int64_t)XFS_FSB_TO_BB(mp, bno), blkbb, + set_cur(&typtab[next], (int64_t)XFS_FSB_TO_BB(mp, bno), blkbb, DB_RING_ADD, NULL); } diff --git a/db/field.c b/db/field.c index 843c385..2c8d414 100644 --- a/db/field.c +++ b/db/field.c @@ -83,7 +83,7 @@ const ftattr_t ftattrtab[] = { attr_sf_entry_size, FTARG_SIZE, NULL, attr_sf_entry_flds }, { FLDT_ATTR_SF_HDR, "attr_sf_hdr", NULL, (char *)attr_sf_hdr_flds, SI(bitsz(struct xfs_attr_sf_hdr)), 0, NULL, attr_sf_hdr_flds }, - { FLDT_ATTRBLOCK, "attrblock", fp_num, "%u", SI(bitsz(__uint32_t)), 0, + { FLDT_ATTRBLOCK, "attrblock", fp_num, "%u", SI(bitsz(uint32_t)), 0, fa_attrblock, NULL }, { FLDT_ATTRSHORT, "attrshort", NULL, (char *)attr_shortform_flds, attrshort_size, FTARG_SIZE, NULL, attr_shortform_flds }, @@ -165,7 +165,7 @@ const ftattr_t ftattrtab[] = { SI(bitsz(xfs_alloc_rec_t)), 0, NULL, cntbt_rec_flds }, /* CRC field */ - { FLDT_CRC, "crc", fp_crc, "%#x (%s)", SI(bitsz(__uint32_t)), + { FLDT_CRC, "crc", fp_crc, "%#x (%s)", SI(bitsz(uint32_t)), 0, NULL, NULL }, { FLDT_DEV, "dev", fp_num, "%#x", SI(bitsz(xfs_dev_t)), 0, NULL, NULL }, @@ -180,7 +180,7 @@ const ftattr_t ftattrtab[] = { { FLDT_DINODE_CORE, "dinode_core", NULL, (char *)inode_core_flds, SI(bitsz(xfs_dinode_t)), 0, NULL, inode_core_flds }, { FLDT_DINODE_FMT, "dinode_fmt", fp_dinode_fmt, NULL, - SI(bitsz(__int8_t)), 0, NULL, NULL }, + SI(bitsz(int8_t)), 0, NULL, NULL }, { FLDT_DINODE_U, "dinode_u", NULL, (char *)inode_u_flds, inode_u_size, FTARG_SIZE|FTARG_OKEMPTY, NULL, inode_u_flds }, { FLDT_DINODE_V3, "dinode_v3", NULL, (char *)inode_v3_flds, @@ -261,7 +261,7 @@ const ftattr_t ftattrtab[] = { { FLDT_DA3_NODE_HDR, "dir_node_hdr", NULL, (char *)da3_node_hdr_flds, SI(bitsz(struct xfs_da3_node_hdr)), 0, NULL, da3_node_hdr_flds }, - { FLDT_DIRBLOCK, "dirblock", fp_num, "%u", SI(bitsz(__uint32_t)), 0, + { FLDT_DIRBLOCK, "dirblock", fp_num, "%u", SI(bitsz(uint32_t)), 0, fa_dirblock, NULL }, { FLDT_DISK_DQUOT, "disk_dquot", NULL, (char *)disk_dquot_flds, SI(bitsz(xfs_disk_dquot_t)), 0, NULL, disk_dquot_flds }, @@ -301,15 +301,15 @@ const ftattr_t ftattrtab[] = { FTARG_SIZE, NULL, inode_crc_flds }, { FLDT_INOFREE, "inofree", fp_num, "%#llx", SI(bitsz(xfs_inofree_t)), 0, NULL, NULL }, - { FLDT_INT16D, "int16d", fp_num, "%d", SI(bitsz(__int16_t)), + { FLDT_INT16D, "int16d", fp_num, "%d", SI(bitsz(int16_t)), FTARG_SIGNED, NULL, NULL }, - { FLDT_INT32D, "int32d", fp_num, "%d", SI(bitsz(__int32_t)), + { FLDT_INT32D, "int32d", fp_num, "%d", SI(bitsz(int32_t)), FTARG_SIGNED, NULL, NULL }, - { FLDT_INT64D, "int64d", fp_num, "%lld", SI(bitsz(__int64_t)), + { FLDT_INT64D, "int64d", fp_num, "%lld", SI(bitsz(int64_t)), FTARG_SIGNED, NULL, NULL }, - { FLDT_INT8D, "int8d", fp_num, "%d", SI(bitsz(__int8_t)), FTARG_SIGNED, + { FLDT_INT8D, "int8d", fp_num, "%d", SI(bitsz(int8_t)), FTARG_SIGNED, NULL, NULL }, - { FLDT_NSEC, "nsec", fp_num, "%09d", SI(bitsz(__int32_t)), FTARG_SIGNED, + { FLDT_NSEC, "nsec", fp_num, "%09d", SI(bitsz(int32_t)), FTARG_SIGNED, NULL, NULL }, { FLDT_QCNT, "qcnt", fp_num, "%llu", SI(bitsz(xfs_qcnt_t)), 0, NULL, NULL }, @@ -322,34 +322,34 @@ const ftattr_t ftattrtab[] = { { FLDT_SYMLINK_CRC, "symlink", NULL, (char *)symlink_crc_flds, symlink_size, FTARG_SIZE, NULL, symlink_crc_flds }, - { FLDT_TIME, "time", fp_time, NULL, SI(bitsz(__int32_t)), FTARG_SIGNED, + { FLDT_TIME, "time", fp_time, NULL, SI(bitsz(int32_t)), FTARG_SIGNED, NULL, NULL }, { FLDT_TIMESTAMP, "timestamp", NULL, (char *)timestamp_flds, SI(bitsz(xfs_timestamp_t)), 0, NULL, timestamp_flds }, { FLDT_UINT1, "uint1", fp_num, "%u", SI(1), 0, NULL, NULL }, - { FLDT_UINT16D, "uint16d", fp_num, "%u", SI(bitsz(__uint16_t)), 0, NULL, + { FLDT_UINT16D, "uint16d", fp_num, "%u", SI(bitsz(uint16_t)), 0, NULL, NULL }, - { FLDT_UINT16O, "uint16o", fp_num, "%#o", SI(bitsz(__uint16_t)), 0, + { FLDT_UINT16O, "uint16o", fp_num, "%#o", SI(bitsz(uint16_t)), 0, NULL, NULL }, - { FLDT_UINT16X, "uint16x", fp_num, "%#x", SI(bitsz(__uint16_t)), 0, + { FLDT_UINT16X, "uint16x", fp_num, "%#x", SI(bitsz(uint16_t)), 0, NULL, NULL }, - { FLDT_UINT32D, "uint32d", fp_num, "%u", SI(bitsz(__uint32_t)), 0, NULL, + { FLDT_UINT32D, "uint32d", fp_num, "%u", SI(bitsz(uint32_t)), 0, NULL, NULL }, - { FLDT_UINT32O, "uint32o", fp_num, "%#o", SI(bitsz(__uint32_t)), 0, + { FLDT_UINT32O, "uint32o", fp_num, "%#o", SI(bitsz(uint32_t)), 0, NULL, NULL }, - { FLDT_UINT32X, "uint32x", fp_num, "%#x", SI(bitsz(__uint32_t)), 0, + { FLDT_UINT32X, "uint32x", fp_num, "%#x", SI(bitsz(uint32_t)), 0, NULL, NULL }, - { FLDT_UINT64D, "uint64d", fp_num, "%llu", SI(bitsz(__uint64_t)), 0, + { FLDT_UINT64D, "uint64d", fp_num, "%llu", SI(bitsz(uint64_t)), 0, NULL, NULL }, - { FLDT_UINT64O, "uint64o", fp_num, "%#llo", SI(bitsz(__uint64_t)), 0, + { FLDT_UINT64O, "uint64o", fp_num, "%#llo", SI(bitsz(uint64_t)), 0, NULL, NULL }, - { FLDT_UINT64X, "uint64x", fp_num, "%#llx", SI(bitsz(__uint64_t)), 0, + { FLDT_UINT64X, "uint64x", fp_num, "%#llx", SI(bitsz(uint64_t)), 0, NULL, NULL }, - { FLDT_UINT8D, "uint8d", fp_num, "%u", SI(bitsz(__uint8_t)), 0, NULL, + { FLDT_UINT8D, "uint8d", fp_num, "%u", SI(bitsz(uint8_t)), 0, NULL, NULL }, - { FLDT_UINT8O, "uint8o", fp_num, "%#o", SI(bitsz(__uint8_t)), 0, NULL, + { FLDT_UINT8O, "uint8o", fp_num, "%#o", SI(bitsz(uint8_t)), 0, NULL, NULL }, - { FLDT_UINT8X, "uint8x", fp_num, "%#x", SI(bitsz(__uint8_t)), 0, NULL, + { FLDT_UINT8X, "uint8x", fp_num, "%#x", SI(bitsz(uint8_t)), 0, NULL, NULL }, { FLDT_UUID, "uuid", fp_uuid, NULL, SI(bitsz(uuid_t)), 0, NULL, NULL }, { FLDT_ZZZ, NULL } diff --git a/db/fprint.c b/db/fprint.c index f2b3794..1c49bdd 100644 --- a/db/fprint.c +++ b/db/fprint.c @@ -80,7 +80,7 @@ fp_num( int bitpos; int i; int isnull; - __int64_t val; + int64_t val; for (i = 0, bitpos = bit; i < count && !seenint(); @@ -100,7 +100,7 @@ fp_num( else if (size > 32) dbprintf(fmtstr, val); else - dbprintf(fmtstr, (__int32_t)val); + dbprintf(fmtstr, (int32_t)val); if (i < count - 1) dbprintf(" "); } @@ -203,7 +203,7 @@ fp_crc( { int bitpos; int i; - __int64_t val; + int64_t val; char *ok; switch (iocur_crc_valid()) { @@ -230,7 +230,7 @@ fp_crc( if (size > 32) dbprintf(fmtstr, val, ok); else - dbprintf(fmtstr, (__int32_t)val, ok); + dbprintf(fmtstr, (int32_t)val, ok); if (i < count - 1) dbprintf(" "); } diff --git a/db/frag.c b/db/frag.c index 36bb689..c36b315 100644 --- a/db/frag.c +++ b/db/frag.c @@ -42,8 +42,8 @@ typedef struct extmap { static int aflag; static int dflag; -static __uint64_t extcount_actual; -static __uint64_t extcount_ideal; +static uint64_t extcount_actual; +static uint64_t extcount_ideal; static int fflag; static int lflag; static int qflag; @@ -306,8 +306,8 @@ process_inode( xfs_agino_t agino, xfs_dinode_t *dip) { - __uint64_t actual; - __uint64_t ideal; + uint64_t actual; + uint64_t ideal; xfs_ino_t ino; int skipa; int skipd; diff --git a/db/inode.c b/db/inode.c index 442e6ea..3b2ee1a 100644 --- a/db/inode.c +++ b/db/inode.c @@ -119,49 +119,49 @@ const field_t inode_core_flds[] = { { "dmstate", FLDT_UINT16D, OI(COFF(dmstate)), C1, 0, TYP_NONE }, { "flags", FLDT_UINT16X, OI(COFF(flags)), C1, FLD_SKIPALL, TYP_NONE }, { "newrtbm", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_NEWRTBM_BIT - 1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_NEWRTBM_BIT - 1), C1, 0, TYP_NONE }, { "prealloc", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_PREALLOC_BIT - 1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_PREALLOC_BIT - 1), C1, 0, TYP_NONE }, { "realtime", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_REALTIME_BIT - 1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_REALTIME_BIT - 1), C1, 0, TYP_NONE }, { "immutable", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_IMMUTABLE_BIT-1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_IMMUTABLE_BIT-1), C1, 0, TYP_NONE }, { "append", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_APPEND_BIT - 1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_APPEND_BIT - 1), C1, 0, TYP_NONE }, { "sync", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_SYNC_BIT - 1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_SYNC_BIT - 1), C1, 0, TYP_NONE }, { "noatime", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_NOATIME_BIT - 1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_NOATIME_BIT - 1), C1, 0, TYP_NONE }, { "nodump", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_NODUMP_BIT - 1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_NODUMP_BIT - 1), C1, 0, TYP_NONE }, { "rtinherit", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_RTINHERIT_BIT-1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_RTINHERIT_BIT-1), C1, 0, TYP_NONE }, { "projinherit", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_PROJINHERIT_BIT-1),C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_PROJINHERIT_BIT-1),C1, 0, TYP_NONE }, { "nosymlinks", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_NOSYMLINKS_BIT-1), C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_NOSYMLINKS_BIT-1), C1, 0, TYP_NONE }, { "extsz", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_EXTSIZE_BIT-1),C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_EXTSIZE_BIT-1),C1, 0, TYP_NONE }, { "extszinherit", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_EXTSZINHERIT_BIT-1),C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_EXTSZINHERIT_BIT-1),C1, 0, TYP_NONE }, { "nodefrag", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_NODEFRAG_BIT-1),C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_NODEFRAG_BIT-1),C1, 0, TYP_NONE }, { "filestream", FLDT_UINT1, - OI(COFF(flags) + bitsz(__uint16_t) - XFS_DIFLAG_FILESTREAM_BIT-1),C1, + OI(COFF(flags) + bitsz(uint16_t) - XFS_DIFLAG_FILESTREAM_BIT-1),C1, 0, TYP_NONE }, { "gen", FLDT_UINT32D, OI(COFF(gen)), C1, 0, TYP_NONE }, { NULL } diff --git a/db/io.c b/db/io.c index 9452e07..bfb9e38 100644 --- a/db/io.c +++ b/db/io.c @@ -487,7 +487,7 @@ write_cur(void) void set_cur( const typ_t *t, - __int64_t d, + int64_t d, int c, int ring_flag, bbmap_t *bbmap) @@ -495,7 +495,7 @@ set_cur( struct xfs_buf *bp; xfs_ino_t dirino; xfs_ino_t ino; - __uint16_t mode; + uint16_t mode; const struct xfs_buf_ops *ops = t ? t->bops : NULL; if (iocur_sp < 0) { diff --git a/db/io.h b/db/io.h index 6201d7b..2b0dcc0 100644 --- a/db/io.h +++ b/db/io.h @@ -25,7 +25,7 @@ typedef struct bbmap { } bbmap_t; typedef struct iocur { - __int64_t bb; /* BB number in filesystem of buf */ + int64_t bb; /* BB number in filesystem of buf */ int blen; /* length of "buf", bb's */ int boff; /* data - buf */ void *buf; /* base address of buffer */ @@ -33,7 +33,7 @@ typedef struct iocur { xfs_ino_t dirino; /* current directory inode number */ xfs_ino_t ino; /* current inode number */ int len; /* length of "data", bytes */ - __uint16_t mode; /* current inode's mode */ + uint16_t mode; /* current inode's mode */ xfs_off_t off; /* fs offset of "data" in bytes */ const struct typ *typ; /* type of "data" */ bbmap_t *bbmap; /* map daddr if fragmented */ @@ -57,9 +57,9 @@ extern void off_cur(int off, int len); extern void pop_cur(void); extern void print_iocur(char *tag, iocur_t *ioc); extern void push_cur(void); -extern int read_buf(__int64_t daddr, int count, void *bufp); +extern int read_buf(int64_t daddr, int count, void *bufp); extern void write_cur(void); -extern void set_cur(const struct typ *t, __int64_t d, int c, int ring_add, +extern void set_cur(const struct typ *t, int64_t d, int c, int ring_add, bbmap_t *bbmap); extern void ring_add(void); extern void set_iocur_type(const struct typ *t); diff --git a/db/metadump.c b/db/metadump.c index d7ff6e5..60f69c4 100644 --- a/db/metadump.c +++ b/db/metadump.c @@ -175,7 +175,7 @@ write_index(void) static int write_buf_segment( char *data, - __int64_t off, + int64_t off, int len) { int i; @@ -1112,7 +1112,7 @@ process_sf_dir( { struct xfs_dir2_sf_hdr *sfp; xfs_dir2_sf_entry_t *sfep; - __uint64_t ino_dir_size; + uint64_t ino_dir_size; int i; sfp = (struct xfs_dir2_sf_hdr *)XFS_DFORK_DPTR(dip); @@ -1178,7 +1178,7 @@ process_sf_dir( static void obfuscate_path_components( char *buf, - __uint64_t len) + uint64_t len) { unsigned char *comp = (unsigned char *)buf; unsigned char *end = comp + len; @@ -1215,7 +1215,7 @@ static void process_sf_symlink( xfs_dinode_t *dip) { - __uint64_t len; + uint64_t len; char *buf; len = be64_to_cpu(dip->di_size); @@ -1487,7 +1487,7 @@ process_attr_block( xfs_attr_leaf_entry_t *entry; xfs_attr_leaf_name_local_t *local; xfs_attr_leaf_name_remote_t *remote; - __uint32_t bs = mp->m_sb.sb_blocksize; + uint32_t bs = mp->m_sb.sb_blocksize; char *first_name; @@ -2125,7 +2125,7 @@ done: return success; } -static __uint32_t inodes_copied = 0; +static uint32_t inodes_copied = 0; static int copy_inode_chunk( diff --git a/db/sb.c b/db/sb.c index 79a3c1d..e870aa6 100644 --- a/db/sb.c +++ b/db/sb.c @@ -606,7 +606,7 @@ version_help(void) } static int -do_version(xfs_agnumber_t agno, __uint16_t version, __uint32_t features) +do_version(xfs_agnumber_t agno, uint16_t version, uint32_t features) { xfs_sb_t tsb; @@ -708,8 +708,8 @@ version_f( int argc, char **argv) { - __uint16_t version = 0; - __uint32_t features = 0; + uint16_t version = 0; + uint32_t features = 0; xfs_agnumber_t ag; if (argc == 2) { /* WRITE VERSION */ diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c index d75990a..b57996a 100644 --- a/fsr/xfs_fsr.c +++ b/fsr/xfs_fsr.c @@ -54,7 +54,7 @@ struct getbmap *outmap = NULL; int outmap_size = 0; int RealUid; int tmp_agi; -static __int64_t minimumfree = 2048; +static int64_t minimumfree = 2048; #define MNTTYPE_XFS "xfs" diff --git a/libhandle/handle.c b/libhandle/handle.c index 236ed22..00127b3 100644 --- a/libhandle/handle.c +++ b/libhandle/handle.c @@ -232,7 +232,7 @@ obj_to_handle( { char hbuf [MAXHANSIZ]; int ret; - __uint32_t handlen; + uint32_t handlen; xfs_fsop_handlereq_t hreq; if (opcode == XFS_IOC_FD_TO_HANDLE) { diff --git a/libhandle/jdm.c b/libhandle/jdm.c index e52f5d8..821061b 100644 --- a/libhandle/jdm.c +++ b/libhandle/jdm.c @@ -36,7 +36,7 @@ typedef struct filehandle { fshandle_t fh_fshandle; /* handle of fs containing this inode */ int16_t fh_sz_following; /* bytes in handle after this member */ char fh_pad[FILEHANDLE_SZ_PAD]; /* padding, must be zeroed */ - __uint32_t fh_gen; /* generation count */ + uint32_t fh_gen; /* generation count */ xfs_ino_t fh_ino; /* 64 bit ino */ } filehandle_t; diff --git a/logprint/log_misc.c b/logprint/log_misc.c index e6ee832..894a7d1 100644 --- a/logprint/log_misc.c +++ b/logprint/log_misc.c @@ -212,12 +212,12 @@ xlog_print_trans_header(char **ptr, int len) { xfs_trans_header_t *h; char *cptr = *ptr; - __uint32_t magic; + uint32_t magic; char *magic_c = (char *)&magic; *ptr += len; - magic=*(__uint32_t*)cptr; /* XXX be32_to_cpu soon */ + magic=*(uint32_t*)cptr; /* XXX be32_to_cpu soon */ if (len >= 4) { #if __BYTE_ORDER == __LITTLE_ENDIAN @@ -247,7 +247,7 @@ xlog_print_trans_buffer(char **ptr, int len, int *i, int num_ops) int num, skip; int super_block = 0; int bucket, col, buckets; - __int64_t blkno; + int64_t blkno; xfs_buf_log_format_t lbuf; int size, blen, map_size, struct_size; __be64 x, y; diff --git a/mdrestore/xfs_mdrestore.c b/mdrestore/xfs_mdrestore.c index a22efc2..ecbce43 100644 --- a/mdrestore/xfs_mdrestore.c +++ b/mdrestore/xfs_mdrestore.c @@ -65,7 +65,7 @@ perform_restore( int mb_count; xfs_metablock_t tmb; xfs_sb_t sb; - __int64_t bytes_read; + int64_t bytes_read; /* * read in first blocks (superblock 0), set "inprogress" flag for it, diff --git a/mkfs/proto.c b/mkfs/proto.c index 09a9439..f4e238d 100644 --- a/mkfs/proto.c +++ b/mkfs/proto.c @@ -669,7 +669,7 @@ rtinit( mp->m_sb.sb_rbmino = rbmip->i_ino; rbmip->i_d.di_size = mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize; rbmip->i_d.di_flags = XFS_DIFLAG_NEWRTBM; - *(__uint64_t *)&VFS_I(rbmip)->i_atime = 0; + *(uint64_t *)&VFS_I(rbmip)->i_atime = 0; libxfs_trans_log_inode(tp, rbmip, XFS_ILOG_CORE); libxfs_log_sb(tp); mp->m_rbmip = rbmip; diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c index 99c5eb5..8224bfc 100644 --- a/mkfs/xfs_mkfs.c +++ b/mkfs/xfs_mkfs.c @@ -702,9 +702,9 @@ struct opt_params mopts = { }, }; -#define TERABYTES(count, blog) ((__uint64_t)(count) << (40 - (blog))) -#define GIGABYTES(count, blog) ((__uint64_t)(count) << (30 - (blog))) -#define MEGABYTES(count, blog) ((__uint64_t)(count) << (20 - (blog))) +#define TERABYTES(count, blog) ((uint64_t)(count) << (40 - (blog))) +#define GIGABYTES(count, blog) ((uint64_t)(count) << (30 - (blog))) +#define MEGABYTES(count, blog) ((uint64_t)(count) << (20 - (blog))) /* * Use this macro before we have superblock and mount structure @@ -1099,7 +1099,7 @@ fixup_log_stripe_unit( xfs_rfsblock_t *logblocks, int blocklog) { - __uint64_t tmp_logblocks; + uint64_t tmp_logblocks; /* * Make sure that the log size is a multiple of the stripe unit @@ -1131,7 +1131,7 @@ fixup_internal_log_stripe( xfs_mount_t *mp, int lsflag, xfs_fsblock_t logstart, - __uint64_t agsize, + uint64_t agsize, int sunit, xfs_rfsblock_t *logblocks, int blocklog, @@ -1155,7 +1155,7 @@ fixup_internal_log_stripe( } void -validate_log_size(__uint64_t logblocks, int blocklog, int min_logblocks) +validate_log_size(uint64_t logblocks, int blocklog, int min_logblocks) { if (logblocks < min_logblocks) { fprintf(stderr, @@ -1180,7 +1180,7 @@ validate_log_size(__uint64_t logblocks, int blocklog, int min_logblocks) static int calc_default_imaxpct( int blocklog, - __uint64_t dblocks) + uint64_t dblocks) { /* * This returns the % of the disk space that is used for @@ -1203,12 +1203,12 @@ calc_default_imaxpct( void calc_default_ag_geometry( int blocklog, - __uint64_t dblocks, + uint64_t dblocks, int multidisk, - __uint64_t *agsize, - __uint64_t *agcount) + uint64_t *agsize, + uint64_t *agcount) { - __uint64_t blocks = 0; + uint64_t blocks = 0; int shift = 0; /* @@ -1276,9 +1276,9 @@ done: static void validate_ag_geometry( int blocklog, - __uint64_t dblocks, - __uint64_t agsize, - __uint64_t agcount) + uint64_t dblocks, + uint64_t agsize, + uint64_t agcount) { if (agsize < XFS_AG_MIN_BLOCKS(blocklog)) { fprintf(stderr, @@ -1354,7 +1354,7 @@ zero_old_xfs_structures( { void *buf; xfs_sb_t sb; - __uint32_t bsize; + uint32_t bsize; int i; xfs_off_t off; @@ -1407,8 +1407,8 @@ zero_old_xfs_structures( i != sb.sb_blocklog) goto done; - if (sb.sb_dblocks > ((__uint64_t)sb.sb_agcount * sb.sb_agblocks) || - sb.sb_dblocks < ((__uint64_t)(sb.sb_agcount - 1) * + if (sb.sb_dblocks > ((uint64_t)sb.sb_agcount * sb.sb_agblocks) || + sb.sb_dblocks < ((uint64_t)(sb.sb_agcount - 1) * sb.sb_agblocks + XFS_MIN_AG_BLOCKS)) goto done; @@ -1428,7 +1428,7 @@ done: } static void -discard_blocks(dev_t dev, __uint64_t nsectors) +discard_blocks(dev_t dev, uint64_t nsectors) { int fd; @@ -1684,11 +1684,11 @@ main( int argc, char **argv) { - __uint64_t agcount; + uint64_t agcount; xfs_agf_t *agf; xfs_agi_t *agi; xfs_agnumber_t agno; - __uint64_t agsize; + uint64_t agsize; xfs_alloc_rec_t *arec; struct xfs_btree_block *block; int blflag; @@ -1763,10 +1763,10 @@ main( char *rtsize; xfs_sb_t *sbp; int sectorlog; - __uint64_t sector_mask; + uint64_t sector_mask; int slflag; int ssflag; - __uint64_t tmp_agsize; + uint64_t tmp_agsize; uuid_t uuid; int worst_freelist; libxfs_init_t xi; @@ -2428,7 +2428,7 @@ _("sparse inodes not supported without CRC support\n")); if (dsize) { - __uint64_t dbytes; + uint64_t dbytes; dbytes = getnum(dsize, &dopts, D_SIZE); if (dbytes % XFS_MIN_BLOCKSIZE) { @@ -2460,7 +2460,7 @@ _("sparse inodes not supported without CRC support\n")); } if (logsize) { - __uint64_t logbytes; + uint64_t logbytes; logbytes = getnum(logsize, &lopts, L_SIZE); if (logbytes % XFS_MIN_BLOCKSIZE) { @@ -2477,7 +2477,7 @@ _("sparse inodes not supported without CRC support\n")); (long long)(logblocks << blocklog)); } if (rtsize) { - __uint64_t rtbytes; + uint64_t rtbytes; rtbytes = getnum(rtsize, &ropts, R_SIZE); if (rtbytes % XFS_MIN_BLOCKSIZE) { @@ -2497,7 +2497,7 @@ _("sparse inodes not supported without CRC support\n")); * If specified, check rt extent size against its constraints. */ if (rtextsize) { - __uint64_t rtextbytes; + uint64_t rtextbytes; rtextbytes = getnum(rtextsize, &ropts, R_EXTSIZE); if (rtextbytes % blocksize) { @@ -2513,8 +2513,8 @@ _("sparse inodes not supported without CRC support\n")); * and the underlying volume is striped, then set rtextblocks * to the stripe width. */ - __uint64_t rswidth; - __uint64_t rtextbytes; + uint64_t rswidth; + uint64_t rtextbytes; if (!norsflag && !xi.risfile && !(!rtsize && xi.disfile)) rswidth = ft.rtswidth; @@ -2592,10 +2592,10 @@ _("sparse inodes not supported without CRC support\n")); * multiple of the sector size, or 1024, whichever is larger. */ - sector_mask = (__uint64_t)-1 << (MAX(sectorlog, 10) - BBSHIFT); + sector_mask = (uint64_t)-1 << (MAX(sectorlog, 10) - BBSHIFT); xi.dsize &= sector_mask; xi.rtsize &= sector_mask; - xi.logBBsize &= (__uint64_t)-1 << (MAX(lsectorlog, 10) - BBSHIFT); + xi.logBBsize &= (uint64_t)-1 << (MAX(lsectorlog, 10) - BBSHIFT); /* don't do discards on print-only runs or on files */ @@ -2956,9 +2956,9 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), mp = &mbuf; sbp = &mp->m_sb; memset(mp, 0, sizeof(xfs_mount_t)); - sbp->sb_blocklog = (__uint8_t)blocklog; - sbp->sb_sectlog = (__uint8_t)sectorlog; - sbp->sb_agblklog = (__uint8_t)libxfs_log2_roundup((unsigned int)agsize); + sbp->sb_blocklog = (uint8_t)blocklog; + sbp->sb_sectlog = (uint8_t)sectorlog; + sbp->sb_agblklog = (uint8_t)libxfs_log2_roundup((unsigned int)agsize); sbp->sb_agblocks = (xfs_agblock_t)agsize; mp->m_blkbb_log = sbp->sb_blocklog - BBSHIFT; mp->m_sectbb_log = sbp->sb_sectlog - BBSHIFT; @@ -3064,14 +3064,14 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), sbp->sb_agcount = (xfs_agnumber_t)agcount; sbp->sb_rbmblocks = nbmblocks; sbp->sb_logblocks = (xfs_extlen_t)logblocks; - sbp->sb_sectsize = (__uint16_t)sectorsize; - sbp->sb_inodesize = (__uint16_t)isize; - sbp->sb_inopblock = (__uint16_t)(blocksize / isize); - sbp->sb_sectlog = (__uint8_t)sectorlog; - sbp->sb_inodelog = (__uint8_t)inodelog; - sbp->sb_inopblog = (__uint8_t)(blocklog - inodelog); + sbp->sb_sectsize = (uint16_t)sectorsize; + sbp->sb_inodesize = (uint16_t)isize; + sbp->sb_inopblock = (uint16_t)(blocksize / isize); + sbp->sb_sectlog = (uint8_t)sectorlog; + sbp->sb_inodelog = (uint8_t)inodelog; + sbp->sb_inopblog = (uint8_t)(blocklog - inodelog); sbp->sb_rextslog = - (__uint8_t)(rtextents ? + (uint8_t)(rtextents ? libxfs_highbit32((unsigned int)rtextents) : 0); sbp->sb_inprogress = 1; /* mkfs is in progress */ sbp->sb_imax_pct = imaxpct; @@ -3099,8 +3099,8 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"), } else sbp->sb_inoalignmt = 0; if (lsectorsize != BBSIZE || sectorsize != BBSIZE) { - sbp->sb_logsectlog = (__uint8_t)lsectorlog; - sbp->sb_logsectsize = (__uint16_t)lsectorsize; + sbp->sb_logsectlog = (uint8_t)lsectorlog; + sbp->sb_logsectsize = (uint16_t)lsectorsize; } else { sbp->sb_logsectlog = 0; sbp->sb_logsectsize = 0; diff --git a/quota/edit.c b/quota/edit.c index e5ddc8c..2626148 100644 --- a/quota/edit.c +++ b/quota/edit.c @@ -115,16 +115,16 @@ warn_help(void) static void set_limits( - __uint32_t id, + uint32_t id, uint type, uint mask, char *dev, - __uint64_t *bsoft, - __uint64_t *bhard, - __uint64_t *isoft, - __uint64_t *ihard, - __uint64_t *rtbsoft, - __uint64_t *rtbhard) + uint64_t *bsoft, + uint64_t *bhard, + uint64_t *isoft, + uint64_t *ihard, + uint64_t *rtbsoft, + uint64_t *rtbhard) { fs_disk_quota_t d; @@ -152,12 +152,12 @@ set_user_limits( char *name, uint type, uint mask, - __uint64_t *bsoft, - __uint64_t *bhard, - __uint64_t *isoft, - __uint64_t *ihard, - __uint64_t *rtbsoft, - __uint64_t *rtbhard) + uint64_t *bsoft, + uint64_t *bhard, + uint64_t *isoft, + uint64_t *ihard, + uint64_t *rtbsoft, + uint64_t *rtbhard) { uid_t uid = uid_from_string(name); @@ -175,12 +175,12 @@ set_group_limits( char *name, uint type, uint mask, - __uint64_t *bsoft, - __uint64_t *bhard, - __uint64_t *isoft, - __uint64_t *ihard, - __uint64_t *rtbsoft, - __uint64_t *rtbhard) + uint64_t *bsoft, + uint64_t *bhard, + uint64_t *isoft, + uint64_t *ihard, + uint64_t *rtbsoft, + uint64_t *rtbhard) { gid_t gid = gid_from_string(name); @@ -198,12 +198,12 @@ set_project_limits( char *name, uint type, uint mask, - __uint64_t *bsoft, - __uint64_t *bhard, - __uint64_t *isoft, - __uint64_t *ihard, - __uint64_t *rtbsoft, - __uint64_t *rtbhard) + uint64_t *bsoft, + uint64_t *bhard, + uint64_t *isoft, + uint64_t *ihard, + uint64_t *rtbsoft, + uint64_t *rtbhard) { prid_t prid = prid_from_string(name); @@ -224,7 +224,7 @@ extractb( int length, uint blocksize, uint sectorsize, - __uint64_t *value) + uint64_t *value) { long long v; char *s = string; @@ -238,7 +238,7 @@ extractb( progname, s); return 0; } - *value = (__uint64_t)v >> 9; /* syscalls use basic blocks */ + *value = (uint64_t)v >> 9; /* syscalls use basic blocks */ if (v > 0 && *value == 0) fprintf(stderr, _("%s: Warning: `%s' in quota blocks is 0 (unlimited).\n"), progname, s); return 1; @@ -252,7 +252,7 @@ extracti( char *string, const char *prefix, int length, - __uint64_t *value) + uint64_t *value) { char *sp, *s = string; @@ -270,7 +270,7 @@ limit_f( char **argv) { char *name; - __uint64_t bsoft, bhard, isoft, ihard, rtbsoft, rtbhard; + uint64_t bsoft, bhard, isoft, ihard, rtbsoft, rtbhard; int c, type = 0, mask = 0, flags = 0; uint bsize, ssize, endoptions; @@ -384,8 +384,8 @@ restore_file( char *dev = NULL; uint mask; int cnt; - __uint32_t id; - __uint64_t bsoft, bhard, isoft, ihard, rtbsoft, rtbhard; + uint32_t id; + uint64_t bsoft, bhard, isoft, ihard, rtbsoft, rtbhard; while (fgets(buffer, sizeof(buffer), fp) != NULL) { if (strncmp("fs = ", buffer, 5) == 0) { @@ -546,7 +546,7 @@ timer_f( static void set_warnings( - __uint32_t id, + uint32_t id, uint type, uint mask, char *dev, diff --git a/quota/free.c b/quota/free.c index e9e0319..584c77c 100644 --- a/quota/free.c +++ b/quota/free.c @@ -48,20 +48,20 @@ free_help(void) static int mount_free_space_data( struct fs_path *mount, - __uint64_t *bcount, - __uint64_t *bused, - __uint64_t *bfree, - __uint64_t *icount, - __uint64_t *iused, - __uint64_t *ifree, - __uint64_t *rcount, - __uint64_t *rused, - __uint64_t *rfree) + uint64_t *bcount, + uint64_t *bused, + uint64_t *bfree, + uint64_t *icount, + uint64_t *iused, + uint64_t *ifree, + uint64_t *rcount, + uint64_t *rused, + uint64_t *rfree) { struct xfs_fsop_counts fscounts; struct xfs_fsop_geom fsgeo; struct statfs st; - __uint64_t logsize, count, free; + uint64_t logsize, count, free; int fd; if ((fd = open(mount->fs_dir, O_RDONLY)) < 0) { @@ -115,15 +115,15 @@ mount_free_space_data( static int projects_free_space_data( struct fs_path *path, - __uint64_t *bcount, - __uint64_t *bused, - __uint64_t *bfree, - __uint64_t *icount, - __uint64_t *iused, - __uint64_t *ifree, - __uint64_t *rcount, - __uint64_t *rused, - __uint64_t *rfree) + uint64_t *bcount, + uint64_t *bused, + uint64_t *bfree, + uint64_t *icount, + uint64_t *iused, + uint64_t *ifree, + uint64_t *rcount, + uint64_t *rused, + uint64_t *rfree) { fs_quota_stat_t qfs; fs_disk_quota_t d; @@ -209,9 +209,9 @@ free_space( fs_path_t *path, uint flags) { - __uint64_t bcount, bused, bfree; - __uint64_t icount, iused, ifree; - __uint64_t rcount, rused, rfree; + uint64_t bcount, bused, bfree; + uint64_t icount, iused, ifree; + uint64_t rcount, rused, rfree; char a[8], s[8], u[8], p[8]; int count; diff --git a/quota/quot.c b/quota/quot.c index 2e583e5..57eeeb2 100644 --- a/quota/quot.c +++ b/quota/quot.c @@ -25,17 +25,17 @@ typedef struct du { struct du *next; - __uint64_t blocks; - __uint64_t blocks30; - __uint64_t blocks60; - __uint64_t blocks90; - __uint64_t nfiles; - __uint32_t id; + uint64_t blocks; + uint64_t blocks30; + uint64_t blocks60; + uint64_t blocks90; + uint64_t nfiles; + uint32_t id; } du_t; #define TSIZE 500 -static __uint64_t sizes[TSIZE]; -static __uint64_t overflow; +static uint64_t sizes[TSIZE]; +static uint64_t overflow; #define NDU 60000 #define DUHASH 8209 @@ -83,8 +83,8 @@ quot_bulkstat_add( { du_t *dp; du_t **hp; - __uint64_t size; - __uint32_t i, id; + uint64_t size; + uint32_t i, id; if ((p->bs_mode & S_IFMT) == 0) return; @@ -202,7 +202,7 @@ qcompare( return 0; } -typedef char *(*idtoname_t)(__uint32_t); +typedef char *(*idtoname_t)(uint32_t); static void quot_report_mount_any_type( @@ -290,7 +290,7 @@ quot_histogram_mount( fs_path_t *mount, uint flags) { - __uint64_t t = 0; + uint64_t t = 0; int i; fprintf(fp, _("%s (%s):\n"), mount->fs_name, mount->fs_dir); diff --git a/quota/quota.c b/quota/quota.c index e0da7c0..16c90b2 100644 --- a/quota/quota.c +++ b/quota/quota.c @@ -51,7 +51,7 @@ quota_help(void) static int quota_mount( FILE *fp, - __uint32_t id, + uint32_t id, char *name, uint form, uint type, @@ -180,7 +180,7 @@ quota_mount( static void quota( FILE *fp, - __uint32_t id, + uint32_t id, char *name, uint form, uint type, diff --git a/quota/quota.h b/quota/quota.h index 4bde351..9ed28be 100644 --- a/quota/quota.h +++ b/quota/quota.h @@ -53,9 +53,9 @@ enum { extern char *type_to_string(uint __type); extern char *form_to_string(uint __form); extern char *time_to_string(time_t __time, uint __flags); -extern char *bbs_to_string(__uint64_t __v, char *__c, uint __size); -extern char *num_to_string(__uint64_t __v, char *__c, uint __size); -extern char *pct_to_string(__uint64_t __v, __uint64_t __t, char *__c, uint __s); +extern char *bbs_to_string(uint64_t __v, char *__c, uint __size); +extern char *num_to_string(uint64_t __v, char *__c, uint __size); +extern char *pct_to_string(uint64_t __v, uint64_t __t, char *__c, uint __s); extern FILE *fopen_write_secure(char *__filename); @@ -81,7 +81,7 @@ enum { * Identifier (uid/gid/prid) cache routines */ #define NMAX 32 -extern char *uid_to_name(__uint32_t __uid); -extern char *gid_to_name(__uint32_t __gid); -extern char *prid_to_name(__uint32_t __prid); +extern char *uid_to_name(uint32_t __uid); +extern char *gid_to_name(uint32_t __gid); +extern char *prid_to_name(uint32_t __prid); extern bool isdigits_only(const char *); diff --git a/quota/report.c b/quota/report.c index cc422d1..16cf6e0 100644 --- a/quota/report.c +++ b/quota/report.c @@ -327,9 +327,9 @@ report_header( static int report_mount( FILE *fp, - __uint32_t id, + uint32_t id, char *name, - __uint32_t *oid, + uint32_t *oid, uint form, uint type, fs_path_t *mount, diff --git a/quota/state.c b/quota/state.c index 8186762..82dd26d 100644 --- a/quota/state.c +++ b/quota/state.c @@ -135,7 +135,7 @@ static void state_timelimit( FILE *fp, uint form, - __uint32_t timelimit) + uint32_t timelimit) { fprintf(fp, _("%s grace time: %s\n"), form_to_string(form), diff --git a/quota/util.c b/quota/util.c index 7c43fbd..bc7f1d5 100644 --- a/quota/util.c +++ b/quota/util.c @@ -81,8 +81,8 @@ round_snprintf( size_t size, const char *fmt_round, const char *fmt_not_round, - __uint64_t value, - __uint64_t divisor) + uint64_t value, + uint64_t divisor) { double v = (double)value / divisor; @@ -94,23 +94,23 @@ round_snprintf( } /* Basic blocks (512) bytes are returned from quotactl */ -#define BBS_TO_EXABYTES(bbs) ((__uint64_t)(bbs)>>51) -#define BBS_TO_PETABYTES(bbs) ((__uint64_t)(bbs)>>41) -#define BBS_TO_TERABYTES(bbs) ((__uint64_t)(bbs)>>31) -#define BBS_TO_GIGABYTES(bbs) ((__uint64_t)(bbs)>>21) -#define BBS_TO_MEGABYTES(bbs) ((__uint64_t)(bbs)>>11) -#define BBS_TO_KILOBYTES(bbs) ((__uint64_t)(bbs)>>1) - -#define BBEXABYTE ((__uint64_t)1<<51) -#define BBPETABYTE ((__uint64_t)1<<41) -#define BBTERABYTE ((__uint64_t)1<<31) -#define BBGIGABYTE ((__uint64_t)1<<21) -#define BBMEGABYTE ((__uint64_t)1<<11) -#define BBKILOBYTE ((__uint64_t)1<< 1) +#define BBS_TO_EXABYTES(bbs) ((uint64_t)(bbs)>>51) +#define BBS_TO_PETABYTES(bbs) ((uint64_t)(bbs)>>41) +#define BBS_TO_TERABYTES(bbs) ((uint64_t)(bbs)>>31) +#define BBS_TO_GIGABYTES(bbs) ((uint64_t)(bbs)>>21) +#define BBS_TO_MEGABYTES(bbs) ((uint64_t)(bbs)>>11) +#define BBS_TO_KILOBYTES(bbs) ((uint64_t)(bbs)>>1) + +#define BBEXABYTE ((uint64_t)1<<51) +#define BBPETABYTE ((uint64_t)1<<41) +#define BBTERABYTE ((uint64_t)1<<31) +#define BBGIGABYTE ((uint64_t)1<<21) +#define BBMEGABYTE ((uint64_t)1<<11) +#define BBKILOBYTE ((uint64_t)1<< 1) char * bbs_to_string( - __uint64_t v, + uint64_t v, char *sp, uint size) { @@ -133,17 +133,17 @@ bbs_to_string( return sp; } -#define THOUSAND ((__uint64_t)1000) -#define MILLION ((__uint64_t)1000*1000) -#define BILLION ((__uint64_t)1000*1000*1000) -#define TRILLION ((__uint64_t)1000*1000*1000*1000) -#define GAZILLION ((__uint64_t)1000*1000*1000*1000*1000) -#define RIDICULOUS ((__uint64_t)1000*1000*1000*1000*1000*1000) -#define STOPALREADY ((__uint64_t)1000*1000*1000*1000*1000*1000*1000) +#define THOUSAND ((uint64_t)1000) +#define MILLION ((uint64_t)1000*1000) +#define BILLION ((uint64_t)1000*1000*1000) +#define TRILLION ((uint64_t)1000*1000*1000*1000) +#define GAZILLION ((uint64_t)1000*1000*1000*1000*1000) +#define RIDICULOUS ((uint64_t)1000*1000*1000*1000*1000*1000) +#define STOPALREADY ((uint64_t)1000*1000*1000*1000*1000*1000*1000) char * num_to_string( - __uint64_t v, + uint64_t v, char *sp, uint size) { @@ -170,8 +170,8 @@ num_to_string( char * pct_to_string( - __uint64_t portion, - __uint64_t whole, + uint64_t portion, + uint64_t whole, char *buf, uint size) { @@ -224,7 +224,7 @@ type_to_string( #define IDMASK (NID-1) typedef struct { - __uint32_t id; + uint32_t id; char name[NMAX+1]; } idcache_t; @@ -237,7 +237,7 @@ static int pentriesleft = NID; static idcache_t * getnextpwent( - __uint32_t id, + uint32_t id, int byid) { struct passwd *pw; @@ -253,7 +253,7 @@ getnextpwent( static idcache_t * getnextgrent( - __uint32_t id, + uint32_t id, int byid) { struct group *gr; @@ -268,7 +268,7 @@ getnextgrent( static idcache_t * getnextprent( - __uint32_t id, + uint32_t id, int byid) { fs_project_t *pr; @@ -283,7 +283,7 @@ getnextprent( char * uid_to_name( - __uint32_t id) + uint32_t id) { idcache_t *ncp, *idp; @@ -320,7 +320,7 @@ uid_to_name( char * gid_to_name( - __uint32_t id) + uint32_t id) { idcache_t *ncp, *idp; @@ -357,7 +357,7 @@ gid_to_name( char * prid_to_name( - __uint32_t id) + uint32_t id) { idcache_t *ncp, *idp; diff --git a/repair/README b/repair/README index 7f168e6..4692463 100644 --- a/repair/README +++ b/repair/README @@ -189,7 +189,7 @@ D - 0) look at usage of XFS_MAKE_IPTR(). It does the right D - 0) look at references to XFS_INODES_PER_CHUNK. change the - ones that really mean sizeof(__uint64_t)*NBBY to + ones that really mean sizeof(uint64_t)*NBBY to something else (like that only defined as a constant INOS_PER_IREC. this isn't as important since XFS_INODES_PER_CHUNK will never chang diff --git a/repair/agheader.h b/repair/agheader.h index 6b2974c..2f7246d 100644 --- a/repair/agheader.h +++ b/repair/agheader.h @@ -20,7 +20,7 @@ typedef struct fs_geometry { /* * these types should match the superblock types */ - __uint32_t sb_blocksize; /* blocksize (bytes) */ + uint32_t sb_blocksize; /* blocksize (bytes) */ xfs_rfsblock_t sb_dblocks; /* # data blocks */ xfs_rfsblock_t sb_rblocks; /* # realtime blocks */ xfs_rtblock_t sb_rextents; /* # realtime extents */ @@ -30,9 +30,9 @@ typedef struct fs_geometry { xfs_agnumber_t sb_agcount; /* # of ags */ xfs_extlen_t sb_rbmblocks; /* # of rt bitmap blocks */ xfs_extlen_t sb_logblocks; /* # of log blocks */ - __uint16_t sb_sectsize; /* volume sector size (bytes) */ - __uint16_t sb_inodesize; /* inode size (bytes) */ - __uint8_t sb_imax_pct; /* max % of fs for inode space */ + uint16_t sb_sectsize; /* volume sector size (bytes) */ + uint16_t sb_inodesize; /* inode size (bytes) */ + uint8_t sb_imax_pct; /* max % of fs for inode space */ /* * these don't have to match the superblock types but are placed @@ -49,10 +49,10 @@ typedef struct fs_geometry { /* * fields after this point have to be checked manually in compare_sb() */ - __uint8_t sb_shared_vn; /* shared version number */ + uint8_t sb_shared_vn; /* shared version number */ xfs_extlen_t sb_inoalignmt; /* inode chunk alignment, fsblocks */ - __uint32_t sb_unit; /* stripe or raid unit */ - __uint32_t sb_width; /* stripe or width unit */ + uint32_t sb_unit; /* stripe or raid unit */ + uint32_t sb_width; /* stripe or width unit */ /* * these don't have to match, they track superblock properties diff --git a/repair/attr_repair.h b/repair/attr_repair.h index 7010e4f..c37d88d 100644 --- a/repair/attr_repair.h +++ b/repair/attr_repair.h @@ -32,10 +32,10 @@ #define ACL_WRITE 02 #define ACL_EXECUTE 01 -typedef __uint16_t xfs_acl_perm_t; -typedef __int32_t xfs_acl_type_t; -typedef __int32_t xfs_acl_tag_t; -typedef __int32_t xfs_acl_id_t; +typedef uint16_t xfs_acl_perm_t; +typedef int32_t xfs_acl_type_t; +typedef int32_t xfs_acl_tag_t; +typedef int32_t xfs_acl_id_t; /* * "icacl" = in-core ACL. There is no equivalent in the XFS kernel code, @@ -50,7 +50,7 @@ struct xfs_icacl_entry { }; struct xfs_icacl { - __int32_t acl_cnt; + int32_t acl_cnt; struct xfs_icacl_entry acl_entry[0]; }; @@ -59,14 +59,14 @@ struct xfs_icacl { */ #define XFS_MAC_MAX_SETS 250 typedef struct xfs_mac_label { - __uint8_t ml_msen_type; /* MSEN label type */ - __uint8_t ml_mint_type; /* MINT label type */ - __uint8_t ml_level; /* Hierarchical level */ - __uint8_t ml_grade; /* Hierarchical grade */ - __uint16_t ml_catcount; /* Category count */ - __uint16_t ml_divcount; /* Division count */ + uint8_t ml_msen_type; /* MSEN label type */ + uint8_t ml_mint_type; /* MINT label type */ + uint8_t ml_level; /* Hierarchical level */ + uint8_t ml_grade; /* Hierarchical grade */ + uint16_t ml_catcount; /* Category count */ + uint16_t ml_divcount; /* Division count */ /* Category set, then Division set */ - __uint16_t ml_list[XFS_MAC_MAX_SETS]; + uint16_t ml_list[XFS_MAC_MAX_SETS]; } xfs_mac_label_t; /* MSEN label type names. Choose an upper case ASCII character. */ @@ -93,7 +93,7 @@ typedef struct xfs_mac_label { /* * Capabilities (IRIX) */ -typedef __uint64_t xfs_cap_value_t; +typedef uint64_t xfs_cap_value_t; typedef struct xfs_cap_set { xfs_cap_value_t cap_effective; /* use in capability checks */ diff --git a/repair/avl64.c b/repair/avl64.c index 51cd624..8f4a121 100644 --- a/repair/avl64.c +++ b/repair/avl64.c @@ -70,8 +70,8 @@ avl64_checktree( avl64node_t *root) { avl64node_t *nlast, *nnext, *np; - __uint64_t offset = 0; - __uint64_t end; + uint64_t offset = 0; + uint64_t end; nlast = nnext = root; @@ -583,8 +583,8 @@ attach: avl64node_t * avl64_findanyrange( avl64tree_desc_t *tree, - __uint64_t start, - __uint64_t end, + uint64_t start, + uint64_t end, int checklen) { avl64node_t *np = tree->avl_root; @@ -655,7 +655,7 @@ avl64_findanyrange( avl64node_t * avl64_findrange( avl64tree_desc_t *tree, - __uint64_t value) + uint64_t value) { avl64node_t *np = tree->avl_root; @@ -682,10 +682,10 @@ avl64_findrange( avl64node_t * avl64_find( avl64tree_desc_t *tree, - __uint64_t value) + uint64_t value) { avl64node_t *np = tree->avl_root; - __uint64_t nvalue; + uint64_t nvalue; while (np) { nvalue = AVL_START(tree, np); @@ -909,8 +909,8 @@ static avl64node_t * avl64_insert_find_growth( avl64tree_desc_t *tree, - __uint64_t start, /* range start at start, */ - __uint64_t end, /* exclusive */ + uint64_t start, /* range start at start, */ + uint64_t end, /* exclusive */ int *growthp) /* OUT */ { avl64node_t *root = tree->avl_root; @@ -963,7 +963,7 @@ avl64_insert_grow( int growth) { avl64node_t *nnext; - __uint64_t start = AVL_START(tree, newnode); + uint64_t start = AVL_START(tree, newnode); if (growth == AVL_BACK) { @@ -1005,8 +1005,8 @@ avl64_insert( avl64node_t *newnode) { avl64node_t *np; - __uint64_t start = AVL_START(tree, newnode); - __uint64_t end = AVL_END(tree, newnode); + uint64_t start = AVL_START(tree, newnode); + uint64_t end = AVL_END(tree, newnode); int growth; ASSERT(newnode); @@ -1159,16 +1159,16 @@ avl64ops_t avl_debug_ops = { avl_debug_end, } -static __uint64_t +static uint64_t avl64_debug_start(avl64node_t *node) { - return (__uint64_t)(struct avl_debug_node *)node->avl_start; + return (uint64_t)(struct avl_debug_node *)node->avl_start; } -static __uint64_t +static uint64_t avl64_debug_end(avl64node_t *node) { - return (__uint64_t) + return (uint64_t) ((struct avl_debug_node *)node->avl_start + (struct avl_debug_node *)node->avl_size); } @@ -1304,7 +1304,7 @@ main() avl64node_t * avl64_findadjacent( avl64tree_desc_t *tree, - __uint64_t value, + uint64_t value, int dir) { avl64node_t *np = tree->avl_root; @@ -1378,8 +1378,8 @@ avl64_findadjacent( void avl64_findranges( avl64tree_desc_t *tree, - __uint64_t start, - __uint64_t end, + uint64_t start, + uint64_t end, avl64node_t **startp, avl64node_t **endp) { diff --git a/repair/avl64.h b/repair/avl64.h index fd19321..cd079a0 100644 --- a/repair/avl64.h +++ b/repair/avl64.h @@ -32,8 +32,8 @@ typedef struct avl64node { * avl-tree operations */ typedef struct avl64ops { - __uint64_t (*avl_start)(avl64node_t *); - __uint64_t (*avl_end)(avl64node_t *); + uint64_t (*avl_start)(avl64node_t *); + uint64_t (*avl_end)(avl64node_t *); } avl64ops_t; /* @@ -89,32 +89,32 @@ avl64_init_tree( avl64node_t * avl64_findrange( avl64tree_desc_t *tree, - __uint64_t value); + uint64_t value); avl64node_t * avl64_find( avl64tree_desc_t *tree, - __uint64_t value); + uint64_t value); avl64node_t * avl64_findanyrange( avl64tree_desc_t *tree, - __uint64_t start, - __uint64_t end, + uint64_t start, + uint64_t end, int checklen); avl64node_t * avl64_findadjacent( avl64tree_desc_t *tree, - __uint64_t value, + uint64_t value, int dir); void avl64_findranges( avl64tree_desc_t *tree, - __uint64_t start, - __uint64_t end, + uint64_t start, + uint64_t end, avl64node_t **startp, avl64node_t **endp); diff --git a/repair/dino_chunks.c b/repair/dino_chunks.c index 7dbaca6..ecfd0f1 100644 --- a/repair/dino_chunks.c +++ b/repair/dino_chunks.c @@ -826,7 +826,7 @@ next_readbuf: * we do now, this is where to start. */ if (is_used) { - __uint16_t di_mode; + uint16_t di_mode; if (is_inode_free(ino_rec, irec_offset)) { if (verbose || no_modify) { diff --git a/repair/dinode.c b/repair/dinode.c index cbd4305..6b0a355 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -742,7 +742,7 @@ _("%s fork in ino %" PRIu64 " claims dup extent, " case XR_E_FREE1: do_warn( _("%s fork in ino %" PRIu64 " claims free block %" PRIu64 "\n"), - forkname, ino, (__uint64_t) b); + forkname, ino, (uint64_t) b); /* fall through ... */ case XR_E_UNKNOWN: set_bmap_ext(agno, agbno, blen, XR_E_INUSE); @@ -888,7 +888,7 @@ process_btinode( int type, int *dirty, xfs_rfsblock_t *tot, - __uint64_t *nex, + uint64_t *nex, blkmap_t **blkmapp, int whichfork, int check_dups) @@ -904,7 +904,7 @@ process_btinode( int level; int numrecs; bmap_cursor_t cursor; - __uint64_t magic; + uint64_t magic; dib = (xfs_bmdr_block_t *)XFS_DFORK_PTR(dip, whichfork); lino = XFS_AGINO_TO_INO(mp, agno, ino); @@ -1063,7 +1063,7 @@ process_exinode( int type, int *dirty, xfs_rfsblock_t *tot, - __uint64_t *nex, + uint64_t *nex, blkmap_t **blkmapp, int whichfork, int check_dups) @@ -1165,14 +1165,14 @@ process_symlink_extlist(xfs_mount_t *mp, xfs_ino_t lino, xfs_dinode_t *dino) do_warn( _("mismatch between format (%d) and size (%" PRId64 ") in symlink ino %" PRIu64 "\n"), dino->di_format, - (__int64_t)be64_to_cpu(dino->di_size), lino); + (int64_t)be64_to_cpu(dino->di_size), lino); return 1; } if (dino->di_format == XFS_DINODE_FMT_LOCAL) { do_warn( _("mismatch between format (%d) and size (%" PRId64 ") in symlink inode %" PRIu64 "\n"), dino->di_format, - (__int64_t)be64_to_cpu(dino->di_size), lino); + (int64_t)be64_to_cpu(dino->di_size), lino); return 1; } @@ -1414,22 +1414,22 @@ _("inode %" PRIu64 " has bad inode type (IFMNT)\n"), lino); case XR_INO_CHRDEV: do_warn( _("size of character device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, - (__int64_t)be64_to_cpu(dino->di_size)); + (int64_t)be64_to_cpu(dino->di_size)); break; case XR_INO_BLKDEV: do_warn( _("size of block device inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, - (__int64_t)be64_to_cpu(dino->di_size)); + (int64_t)be64_to_cpu(dino->di_size)); break; case XR_INO_SOCK: do_warn( _("size of socket inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, - (__int64_t)be64_to_cpu(dino->di_size)); + (int64_t)be64_to_cpu(dino->di_size)); break; case XR_INO_FIFO: do_warn( _("size of fifo inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino, - (__int64_t)be64_to_cpu(dino->di_size)); + (int64_t)be64_to_cpu(dino->di_size)); break; default: do_warn(_("Internal error - process_misc_ino_types, " @@ -1703,12 +1703,12 @@ _("found inode %" PRIu64 " claiming to be a real-time file\n"), lino); break; case XR_INO_RTBITMAP: - if (size != (__int64_t)mp->m_sb.sb_rbmblocks * + if (size != (int64_t)mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize) { do_warn( _("realtime bitmap inode %" PRIu64 " has bad size %" PRId64 " (should be %" PRIu64 ")\n"), lino, size, - (__int64_t) mp->m_sb.sb_rbmblocks * + (int64_t) mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize); return 1; } @@ -1777,8 +1777,8 @@ static int process_inode_blocks_and_extents( xfs_dinode_t *dino, xfs_rfsblock_t nblocks, - __uint64_t nextents, - __uint64_t anextents, + uint64_t nextents, + uint64_t anextents, xfs_ino_t lino, int *dirty) { @@ -1868,7 +1868,7 @@ process_inode_data_fork( int type, int *dirty, xfs_rfsblock_t *totblocks, - __uint64_t *nextents, + uint64_t *nextents, blkmap_t **dblkmap, int check_dups) { @@ -1977,7 +1977,7 @@ process_inode_attr_fork( int type, int *dirty, xfs_rfsblock_t *atotblocks, - __uint64_t *anextents, + uint64_t *anextents, int check_dups, int extra_attr_check, int *retval) @@ -2188,8 +2188,8 @@ process_dinode_int(xfs_mount_t *mp, int di_mode; int type; int retval = 0; - __uint64_t nextents; - __uint64_t anextents; + uint64_t nextents; + uint64_t anextents; xfs_ino_t lino; const int is_free = 0; const int is_used = 1; @@ -2306,7 +2306,7 @@ _("inode identifier %llu mismatch on inode %" PRIu64 "\n"), if (!uncertain) do_warn( _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"), - (__int64_t)be64_to_cpu(dino->di_size), + (int64_t)be64_to_cpu(dino->di_size), lino); if (verify_mode) return 1; diff --git a/repair/dinode.h b/repair/dinode.h index 5aebf5b..42a526b 100644 --- a/repair/dinode.h +++ b/repair/dinode.h @@ -46,8 +46,8 @@ process_bmbt_reclist(xfs_mount_t *mp, xfs_ino_t ino, xfs_rfsblock_t *tot, struct blkmap **blkmapp, - __uint64_t *first_key, - __uint64_t *last_key, + uint64_t *first_key, + uint64_t *last_key, int whichfork); int diff --git a/repair/dir2.c b/repair/dir2.c index 61912d1..476103e 100644 --- a/repair/dir2.c +++ b/repair/dir2.c @@ -160,7 +160,7 @@ process_sf_dir2( int bad_sfnamelen; int i; int i8; - __int64_t ino_dir_size; + int64_t ino_dir_size; int ino_off; ino_tree_node_t *irec_p; int junkit; diff --git a/repair/globals.h b/repair/globals.h index efd1d03..1989e28 100644 --- a/repair/globals.h +++ b/repair/globals.h @@ -140,7 +140,7 @@ EXTERN int inodes_per_cluster; EXTERN unsigned int glob_agcount; EXTERN int chunks_pblock; /* # of 64-ino chunks per allocation */ EXTERN int max_symlink_blocks; -EXTERN __int64_t fs_max_file_offset; +EXTERN int64_t fs_max_file_offset; /* realtime info */ @@ -160,16 +160,16 @@ EXTERN int full_ino_ex_data;/* /* superblock counters */ -EXTERN __uint64_t sb_icount; /* allocated (made) inodes */ -EXTERN __uint64_t sb_ifree; /* free inodes */ -EXTERN __uint64_t sb_fdblocks; /* free data blocks */ -EXTERN __uint64_t sb_frextents; /* free realtime extents */ +EXTERN uint64_t sb_icount; /* allocated (made) inodes */ +EXTERN uint64_t sb_ifree; /* free inodes */ +EXTERN uint64_t sb_fdblocks; /* free data blocks */ +EXTERN uint64_t sb_frextents; /* free realtime extents */ /* superblock geometry info */ EXTERN xfs_extlen_t sb_inoalignmt; -EXTERN __uint32_t sb_unit; -EXTERN __uint32_t sb_width; +EXTERN uint32_t sb_unit; +EXTERN uint32_t sb_width; struct aglock { pthread_mutex_t lock __attribute__((__aligned__(64))); @@ -177,7 +177,7 @@ struct aglock { EXTERN struct aglock *ag_locks; EXTERN int report_interval; -EXTERN __uint64_t *prog_rpt_done; +EXTERN uint64_t *prog_rpt_done; EXTERN int ag_stride; EXTERN int thread_count; diff --git a/repair/incore.c b/repair/incore.c index cb57316..a9191ae 100644 --- a/repair/incore.c +++ b/repair/incore.c @@ -179,7 +179,7 @@ get_bmap_ext( static uint64_t *rt_bmap; static size_t rt_bmap_size; -/* block records fit into __uint64_t's units */ +/* block records fit into uint64_t's units */ #define XR_BB_UNIT 64 /* number of bits/unit */ #define XR_BB 4 /* bits per block record */ #define XR_BB_NUM (XR_BB_UNIT/XR_BB) /* number of records per unit */ @@ -203,8 +203,8 @@ set_rtbmap( { *(rt_bmap + bno / XR_BB_NUM) = ((*(rt_bmap + bno / XR_BB_NUM) & - (~((__uint64_t) XR_BB_MASK << ((bno % XR_BB_NUM) * XR_BB)))) | - (((__uint64_t) state) << ((bno % XR_BB_NUM) * XR_BB))); + (~((uint64_t) XR_BB_MASK << ((bno % XR_BB_NUM) * XR_BB)))) | + (((uint64_t) state) << ((bno % XR_BB_NUM) * XR_BB))); } static void @@ -222,9 +222,9 @@ init_rt_bmap( return; rt_bmap_size = roundup(mp->m_sb.sb_rextents / (NBBY / XR_BB), - sizeof(__uint64_t)); + sizeof(uint64_t)); - rt_bmap = memalign(sizeof(__uint64_t), rt_bmap_size); + rt_bmap = memalign(sizeof(uint64_t), rt_bmap_size); if (!rt_bmap) { do_error( _("couldn't allocate realtime block map, size = %" PRIu64 "\n"), diff --git a/repair/incore.h b/repair/incore.h index c92475e..8415211 100644 --- a/repair/incore.h +++ b/repair/incore.h @@ -261,7 +261,7 @@ typedef xfs_ino_t parent_entry_t; struct nlink_ops; typedef struct parent_list { - __uint64_t pmask; + uint64_t pmask; parent_entry_t *pentries; #ifdef DEBUG short cnt; @@ -269,14 +269,14 @@ typedef struct parent_list { } parent_list_t; union ino_nlink { - __uint8_t *un8; - __uint16_t *un16; - __uint32_t *un32; + uint8_t *un8; + uint16_t *un16; + uint32_t *un32; }; typedef struct ino_ex_data { - __uint64_t ino_reached; /* bit == 1 if reached */ - __uint64_t ino_processed; /* reference checked bit mask */ + uint64_t ino_reached; /* bit == 1 if reached */ + uint64_t ino_processed; /* reference checked bit mask */ parent_list_t *parents; union ino_nlink counted_nlinks;/* counted nlinks in P6 */ } ino_ex_data_t; @@ -285,20 +285,20 @@ typedef struct ino_tree_node { avlnode_t avl_node; xfs_agino_t ino_startnum; /* starting inode # */ xfs_inofree_t ir_free; /* inode free bit mask */ - __uint64_t ir_sparse; /* sparse inode bitmask */ - __uint64_t ino_confirmed; /* confirmed bitmask */ - __uint64_t ino_isa_dir; /* bit == 1 if a directory */ - __uint8_t nlink_size; + uint64_t ir_sparse; /* sparse inode bitmask */ + uint64_t ino_confirmed; /* confirmed bitmask */ + uint64_t ino_isa_dir; /* bit == 1 if a directory */ + uint8_t nlink_size; union ino_nlink disk_nlinks; /* on-disk nlinks, set in P3 */ union { ino_ex_data_t *ex_data; /* phases 6,7 */ parent_list_t *plist; /* phases 2-5 */ } ino_un; - __uint8_t *ftypes; /* phases 3,6 */ + uint8_t *ftypes; /* phases 3,6 */ } ino_tree_node_t; -#define INOS_PER_IREC (sizeof(__uint64_t) * NBBY) -#define IREC_MASK(i) ((__uint64_t)1 << (i)) +#define INOS_PER_IREC (sizeof(uint64_t) * NBBY) +#define IREC_MASK(i) ((uint64_t)1 << (i)) void add_ino_ex_data(xfs_mount_t *mp); @@ -509,10 +509,10 @@ static inline bool is_inode_sparse(struct ino_tree_node *irec, int offset) */ void add_inode_ref(struct ino_tree_node *irec, int offset); void drop_inode_ref(struct ino_tree_node *irec, int offset); -__uint32_t num_inode_references(struct ino_tree_node *irec, int offset); +uint32_t num_inode_references(struct ino_tree_node *irec, int offset); -void set_inode_disk_nlinks(struct ino_tree_node *irec, int offset, __uint32_t nlinks); -__uint32_t get_inode_disk_nlinks(struct ino_tree_node *irec, int offset); +void set_inode_disk_nlinks(struct ino_tree_node *irec, int offset, uint32_t nlinks); +uint32_t get_inode_disk_nlinks(struct ino_tree_node *irec, int offset); static inline int is_inode_reached(struct ino_tree_node *irec, int offset) { @@ -533,13 +533,13 @@ static inline void add_inode_reached(struct ino_tree_node *irec, int offset) static inline void set_inode_ftype(struct ino_tree_node *irec, int ino_offset, - __uint8_t ftype) + uint8_t ftype) { if (irec->ftypes) irec->ftypes[ino_offset] = ftype; } -static inline __uint8_t +static inline uint8_t get_inode_ftype( struct ino_tree_node *irec, int ino_offset) @@ -572,11 +572,11 @@ typedef struct bm_level_state { xfs_fsblock_t fsbno; xfs_fsblock_t left_fsbno; xfs_fsblock_t right_fsbno; - __uint64_t first_key; - __uint64_t last_key; + uint64_t first_key; + uint64_t last_key; /* int level; - __uint64_t prev_last_key; + uint64_t prev_last_key; xfs_buf_t *bp; xfs_bmbt_block_t *block; */ diff --git a/repair/incore_ext.c b/repair/incore_ext.c index 7e6786c..0a8138a 100644 --- a/repair/incore_ext.c +++ b/repair/incore_ext.c @@ -721,13 +721,13 @@ search_rt_dup_extent(xfs_mount_t *mp, xfs_rtblock_t bno) return(ret); } -static __uint64_t +static uint64_t avl64_rt_ext_start(avl64node_t *node) { return(((rt_extent_tree_node_t *) node)->rt_startblock); } -static __uint64_t +static uint64_t avl64_ext_end(avl64node_t *node) { return(((rt_extent_tree_node_t *) node)->rt_startblock + @@ -834,7 +834,7 @@ count_extents(xfs_agnumber_t agno, avltree_desc_t *tree, int whichtree) int count_bno_extents_blocks(xfs_agnumber_t agno, uint *numblocks) { - __uint64_t nblocks; + uint64_t nblocks; extent_tree_node_t *node; int i = 0; diff --git a/repair/incore_ino.c b/repair/incore_ino.c index 1898257..ba612bd 100644 --- a/repair/incore_ino.c +++ b/repair/incore_ino.c @@ -38,7 +38,7 @@ static avltree_desc_t **inode_uncertain_tree_ptrs; /* memory optimised nlink counting for all inodes */ static void * -alloc_nlink_array(__uint8_t nlink_size) +alloc_nlink_array(uint8_t nlink_size) { void *ptr; @@ -51,10 +51,10 @@ alloc_nlink_array(__uint8_t nlink_size) static void nlink_grow_8_to_16(ino_tree_node_t *irec) { - __uint16_t *new_nlinks; + uint16_t *new_nlinks; int i; - irec->nlink_size = sizeof(__uint16_t); + irec->nlink_size = sizeof(uint16_t); new_nlinks = alloc_nlink_array(irec->nlink_size); for (i = 0; i < XFS_INODES_PER_CHUNK; i++) @@ -76,10 +76,10 @@ nlink_grow_8_to_16(ino_tree_node_t *irec) static void nlink_grow_16_to_32(ino_tree_node_t *irec) { - __uint32_t *new_nlinks; + uint32_t *new_nlinks; int i; - irec->nlink_size = sizeof(__uint32_t); + irec->nlink_size = sizeof(uint32_t); new_nlinks = alloc_nlink_array(irec->nlink_size); for (i = 0; i < XFS_INODES_PER_CHUNK; i++) @@ -104,21 +104,21 @@ void add_inode_ref(struct ino_tree_node *irec, int ino_offset) ASSERT(irec->ino_un.ex_data != NULL); switch (irec->nlink_size) { - case sizeof(__uint8_t): + case sizeof(uint8_t): if (irec->ino_un.ex_data->counted_nlinks.un8[ino_offset] < 0xff) { irec->ino_un.ex_data->counted_nlinks.un8[ino_offset]++; break; } nlink_grow_8_to_16(irec); /*FALLTHRU*/ - case sizeof(__uint16_t): + case sizeof(uint16_t): if (irec->ino_un.ex_data->counted_nlinks.un16[ino_offset] < 0xffff) { irec->ino_un.ex_data->counted_nlinks.un16[ino_offset]++; break; } nlink_grow_16_to_32(irec); /*FALLTHRU*/ - case sizeof(__uint32_t): + case sizeof(uint32_t): irec->ino_un.ex_data->counted_nlinks.un32[ino_offset]++; break; default: @@ -128,20 +128,20 @@ void add_inode_ref(struct ino_tree_node *irec, int ino_offset) void drop_inode_ref(struct ino_tree_node *irec, int ino_offset) { - __uint32_t refs = 0; + uint32_t refs = 0; ASSERT(irec->ino_un.ex_data != NULL); switch (irec->nlink_size) { - case sizeof(__uint8_t): + case sizeof(uint8_t): ASSERT(irec->ino_un.ex_data->counted_nlinks.un8[ino_offset] > 0); refs = --irec->ino_un.ex_data->counted_nlinks.un8[ino_offset]; break; - case sizeof(__uint16_t): + case sizeof(uint16_t): ASSERT(irec->ino_un.ex_data->counted_nlinks.un16[ino_offset] > 0); refs = --irec->ino_un.ex_data->counted_nlinks.un16[ino_offset]; break; - case sizeof(__uint32_t): + case sizeof(uint32_t): ASSERT(irec->ino_un.ex_data->counted_nlinks.un32[ino_offset] > 0); refs = --irec->ino_un.ex_data->counted_nlinks.un32[ino_offset]; break; @@ -153,16 +153,16 @@ void drop_inode_ref(struct ino_tree_node *irec, int ino_offset) irec->ino_un.ex_data->ino_reached &= ~IREC_MASK(ino_offset); } -__uint32_t num_inode_references(struct ino_tree_node *irec, int ino_offset) +uint32_t num_inode_references(struct ino_tree_node *irec, int ino_offset) { ASSERT(irec->ino_un.ex_data != NULL); switch (irec->nlink_size) { - case sizeof(__uint8_t): + case sizeof(uint8_t): return irec->ino_un.ex_data->counted_nlinks.un8[ino_offset]; - case sizeof(__uint16_t): + case sizeof(uint16_t): return irec->ino_un.ex_data->counted_nlinks.un16[ino_offset]; - case sizeof(__uint32_t): + case sizeof(uint32_t): return irec->ino_un.ex_data->counted_nlinks.un32[ino_offset]; default: ASSERT(0); @@ -171,24 +171,24 @@ __uint32_t num_inode_references(struct ino_tree_node *irec, int ino_offset) } void set_inode_disk_nlinks(struct ino_tree_node *irec, int ino_offset, - __uint32_t nlinks) + uint32_t nlinks) { switch (irec->nlink_size) { - case sizeof(__uint8_t): + case sizeof(uint8_t): if (nlinks < 0xff) { irec->disk_nlinks.un8[ino_offset] = nlinks; break; } nlink_grow_8_to_16(irec); /*FALLTHRU*/ - case sizeof(__uint16_t): + case sizeof(uint16_t): if (nlinks < 0xffff) { irec->disk_nlinks.un16[ino_offset] = nlinks; break; } nlink_grow_16_to_32(irec); /*FALLTHRU*/ - case sizeof(__uint32_t): + case sizeof(uint32_t): irec->disk_nlinks.un32[ino_offset] = nlinks; break; default: @@ -196,14 +196,14 @@ void set_inode_disk_nlinks(struct ino_tree_node *irec, int ino_offset, } } -__uint32_t get_inode_disk_nlinks(struct ino_tree_node *irec, int ino_offset) +uint32_t get_inode_disk_nlinks(struct ino_tree_node *irec, int ino_offset) { switch (irec->nlink_size) { - case sizeof(__uint8_t): + case sizeof(uint8_t): return irec->disk_nlinks.un8[ino_offset]; - case sizeof(__uint16_t): + case sizeof(uint16_t): return irec->disk_nlinks.un16[ino_offset]; - case sizeof(__uint32_t): + case sizeof(uint32_t): return irec->disk_nlinks.un32[ino_offset]; default: ASSERT(0); @@ -211,11 +211,11 @@ __uint32_t get_inode_disk_nlinks(struct ino_tree_node *irec, int ino_offset) return 0; } -static __uint8_t * +static uint8_t * alloc_ftypes_array( struct xfs_mount *mp) { - __uint8_t *ptr; + uint8_t *ptr; if (!xfs_sb_version_hasftype(&mp->m_sb)) return NULL; @@ -260,23 +260,23 @@ alloc_ino_node( irec->ir_free = (xfs_inofree_t) - 1; irec->ir_sparse = 0; irec->ino_un.ex_data = NULL; - irec->nlink_size = sizeof(__uint8_t); + irec->nlink_size = sizeof(uint8_t); irec->disk_nlinks.un8 = alloc_nlink_array(irec->nlink_size); irec->ftypes = alloc_ftypes_array(mp); return irec; } static void -free_nlink_array(union ino_nlink nlinks, __uint8_t nlink_size) +free_nlink_array(union ino_nlink nlinks, uint8_t nlink_size) { switch (nlink_size) { - case sizeof(__uint8_t): + case sizeof(uint8_t): free(nlinks.un8); break; - case sizeof(__uint16_t): + case sizeof(uint16_t): free(nlinks.un16); break; - case sizeof(__uint32_t): + case sizeof(uint32_t): free(nlinks.un32); break; default: @@ -607,7 +607,7 @@ set_inode_parent( int i; int cnt; int target; - __uint64_t bitmask; + uint64_t bitmask; parent_entry_t *tmp; if (full_ino_ex_data) @@ -697,7 +697,7 @@ set_inode_parent( xfs_ino_t get_inode_parent(ino_tree_node_t *irec, int offset) { - __uint64_t bitmask; + uint64_t bitmask; parent_list_t *ptbl; int i; int target; @@ -738,15 +738,15 @@ alloc_ex_data(ino_tree_node_t *irec) irec->ino_un.ex_data->parents = ptbl; switch (irec->nlink_size) { - case sizeof(__uint8_t): + case sizeof(uint8_t): irec->ino_un.ex_data->counted_nlinks.un8 = alloc_nlink_array(irec->nlink_size); break; - case sizeof(__uint16_t): + case sizeof(uint16_t): irec->ino_un.ex_data->counted_nlinks.un16 = alloc_nlink_array(irec->nlink_size); break; - case sizeof(__uint32_t): + case sizeof(uint32_t): irec->ino_un.ex_data->counted_nlinks.un32 = alloc_nlink_array(irec->nlink_size); break; diff --git a/repair/phase2.c b/repair/phase2.c index e21ffa6..a2dfa0b 100644 --- a/repair/phase2.c +++ b/repair/phase2.c @@ -173,7 +173,7 @@ phase2( bad_ino_btree = 0; - set_progress_msg(PROG_FMT_SCAN_AG, (__uint64_t) glob_agcount); + set_progress_msg(PROG_FMT_SCAN_AG, (uint64_t) glob_agcount); scan_ags(mp, scan_threads); diff --git a/repair/phase3.c b/repair/phase3.c index 0890a27..17b1c28 100644 --- a/repair/phase3.c +++ b/repair/phase3.c @@ -122,7 +122,7 @@ phase3( else do_log(_(" - scan (but don't clear) agi unlinked lists...\n")); - set_progress_msg(PROG_FMT_AGI_UNLINKED, (__uint64_t) glob_agcount); + set_progress_msg(PROG_FMT_AGI_UNLINKED, (uint64_t) glob_agcount); /* first clear the agi unlinked AGI list */ if (!no_modify) { @@ -142,7 +142,7 @@ phase3( do_log(_( " - process known inodes and perform inode discovery...\n")); - set_progress_msg(PROG_FMT_PROCESS_INO, (__uint64_t) mp->m_sb.sb_icount); + set_progress_msg(PROG_FMT_PROCESS_INO, (uint64_t) mp->m_sb.sb_icount); process_ags(mp); @@ -152,7 +152,7 @@ phase3( * process newly discovered inode chunks */ do_log(_(" - process newly discovered inodes...\n")); - set_progress_msg(PROG_FMT_NEW_INODES, (__uint64_t) glob_agcount); + set_progress_msg(PROG_FMT_NEW_INODES, (uint64_t) glob_agcount); counts = calloc(sizeof(*counts), mp->m_sb.sb_agcount); if (!counts) { diff --git a/repair/phase4.c b/repair/phase4.c index 1a7d7b5..90386c2 100644 --- a/repair/phase4.c +++ b/repair/phase4.c @@ -175,7 +175,7 @@ phase4(xfs_mount_t *mp) do_log(_("Phase 4 - check for duplicate blocks...\n")); do_log(_(" - setting up duplicate extent list...\n")); - set_progress_msg(PROG_FMT_DUP_EXTENT, (__uint64_t) glob_agcount); + set_progress_msg(PROG_FMT_DUP_EXTENT, (uint64_t) glob_agcount); irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rootino), XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rootino)); @@ -289,7 +289,7 @@ phase4(xfs_mount_t *mp) reset_bmaps(mp); do_log(_(" - check for inodes claiming duplicate blocks...\n")); - set_progress_msg(PROG_FMT_DUP_BLOCKS, (__uint64_t) mp->m_sb.sb_icount); + set_progress_msg(PROG_FMT_DUP_BLOCKS, (uint64_t) mp->m_sb.sb_icount); /* * ok, now process the inodes -- signal 2-pass check per inode. diff --git a/repair/phase5.c b/repair/phase5.c index 5d48848..1b7ed6d 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -83,9 +83,9 @@ struct agi_stat { xfs_agino_t freecount; }; -static __uint64_t *sb_icount_ag; /* allocated inodes per ag */ -static __uint64_t *sb_ifree_ag; /* free inodes per ag */ -static __uint64_t *sb_fdblocks_ag; /* free data blocks per ag */ +static uint64_t *sb_icount_ag; /* allocated inodes per ag */ +static uint64_t *sb_ifree_ag; /* free inodes per ag */ +static uint64_t *sb_fdblocks_ag; /* free data blocks per ag */ static int mk_incore_fstree(xfs_mount_t *mp, xfs_agnumber_t agno) @@ -618,14 +618,14 @@ calculate_freespace_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, static void prop_freespace_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, xfs_agblock_t startblock, - xfs_extlen_t blockcount, int level, __uint32_t magic) + xfs_extlen_t blockcount, int level, uint32_t magic) { struct xfs_btree_block *bt_hdr; xfs_alloc_key_t *bt_key; xfs_alloc_ptr_t *bt_ptr; xfs_agblock_t agbno; bt_stat_level_t *lptr; - __uint32_t crc_magic; + uint32_t crc_magic; if (magic == XFS_ABTB_MAGIC) crc_magic = XFS_ABTB_CRC_MAGIC; @@ -720,7 +720,7 @@ prop_freespace_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, */ static xfs_extlen_t build_freespace_tree(xfs_mount_t *mp, xfs_agnumber_t agno, - bt_status_t *btree_curs, __uint32_t magic) + bt_status_t *btree_curs, uint32_t magic) { xfs_agnumber_t i; xfs_agblock_t j; @@ -731,7 +731,7 @@ build_freespace_tree(xfs_mount_t *mp, xfs_agnumber_t agno, extent_tree_node_t *ext_ptr; bt_stat_level_t *lptr; xfs_extlen_t freeblks; - __uint32_t crc_magic; + uint32_t crc_magic; #ifdef XR_BLD_FREE_TRACE fprintf(stderr, "in build_freespace_tree, agno = %d\n", agno); @@ -895,10 +895,10 @@ build_freespace_tree(xfs_mount_t *mp, xfs_agnumber_t agno, */ static void init_ino_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, - __uint64_t *num_inos, __uint64_t *num_free_inos, int finobt) + uint64_t *num_inos, uint64_t *num_free_inos, int finobt) { - __uint64_t ninos; - __uint64_t nfinos; + uint64_t ninos; + uint64_t nfinos; int rec_nfinos; int rec_ninos; ino_tree_node_t *ino_rec; @@ -1144,7 +1144,7 @@ build_agi(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *btree_curs, */ static void build_ino_tree(xfs_mount_t *mp, xfs_agnumber_t agno, - bt_status_t *btree_curs, __uint32_t magic, + bt_status_t *btree_curs, uint32_t magic, struct agi_stat *agi_stat, int finobt) { xfs_agnumber_t i; @@ -1573,10 +1573,10 @@ phase5_func( xfs_mount_t *mp, xfs_agnumber_t agno) { - __uint64_t num_inos; - __uint64_t num_free_inos; - __uint64_t finobt_num_inos; - __uint64_t finobt_num_free_inos; + uint64_t num_inos; + uint64_t num_free_inos; + uint64_t finobt_num_inos; + uint64_t finobt_num_free_inos; bt_status_t bno_btree_curs; bt_status_t bcnt_btree_curs; bt_status_t ino_btree_curs; @@ -1588,7 +1588,7 @@ phase5_func( xfs_extlen_t freeblks2; #endif xfs_agblock_t num_extents; - __uint32_t magic; + uint32_t magic; struct agi_stat agi_stat = {0,}; if (verbose) @@ -1772,7 +1772,7 @@ phase5(xfs_mount_t *mp) xfs_agnumber_t agno; do_log(_("Phase 5 - rebuild AG headers and trees...\n")); - set_progress_msg(PROG_FMT_REBUILD_AG, (__uint64_t )glob_agcount); + set_progress_msg(PROG_FMT_REBUILD_AG, (uint64_t )glob_agcount); #ifdef XR_BLD_FREE_TRACE fprintf(stderr, "inobt level 1, maxrec = %d, minrec = %d\n", @@ -1798,15 +1798,15 @@ phase5(xfs_mount_t *mp) keep_fsinos(mp); /* allocate per ag counters */ - sb_icount_ag = calloc(mp->m_sb.sb_agcount, sizeof(__uint64_t)); + sb_icount_ag = calloc(mp->m_sb.sb_agcount, sizeof(uint64_t)); if (sb_icount_ag == NULL) do_error(_("cannot alloc sb_icount_ag buffers\n")); - sb_ifree_ag = calloc(mp->m_sb.sb_agcount, sizeof(__uint64_t)); + sb_ifree_ag = calloc(mp->m_sb.sb_agcount, sizeof(uint64_t)); if (sb_ifree_ag == NULL) do_error(_("cannot alloc sb_ifree_ag buffers\n")); - sb_fdblocks_ag = calloc(mp->m_sb.sb_agcount, sizeof(__uint64_t)); + sb_fdblocks_ag = calloc(mp->m_sb.sb_agcount, sizeof(uint64_t)); if (sb_fdblocks_ag == NULL) do_error(_("cannot alloc sb_fdblocks_ag buffers\n")); diff --git a/repair/phase6.c b/repair/phase6.c index 0a71164..54b65c0 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -82,7 +82,7 @@ typedef struct dir_hash_ent { struct dir_hash_ent *nextbyhash; /* next in name bucket */ struct dir_hash_ent *nextbyorder; /* next in order added */ xfs_dahash_t hashval; /* hash value of name */ - __uint32_t address; /* offset of data entry */ + uint32_t address; /* offset of data entry */ xfs_ino_t inum; /* inode num of entry */ short junkit; /* name starts with / */ short seen; /* have seen leaf entry */ @@ -170,11 +170,11 @@ static int dir_hash_add( xfs_mount_t *mp, dir_hash_tab_t *hashtab, - __uint32_t addr, + uint32_t addr, xfs_ino_t inum, int namelen, unsigned char *name, - __uint8_t ftype) + uint8_t ftype) { xfs_dahash_t hash = 0; int byaddr; @@ -357,7 +357,7 @@ static void dir_hash_update_ftype( dir_hash_tab_t *hashtab, xfs_dir2_dataptr_t addr, - __uint8_t ftype) + uint8_t ftype) { int i; dir_hash_ent_t *p; @@ -1814,8 +1814,8 @@ longform_dir2_entry_check_data( /* validate ftype field if supported */ if (xfs_sb_version_hasftype(&mp->m_sb)) { - __uint8_t dir_ftype; - __uint8_t ino_ftype; + uint8_t dir_ftype; + uint8_t ino_ftype; dir_ftype = M_DIROPS(mp)->data_get_ftype(dep); ino_ftype = get_inode_ftype(irec, ino_offset); @@ -2725,8 +2725,8 @@ _("entry \"%s\" (ino %" PRIu64 ") in dir %" PRIu64 " is a duplicate name"), /* validate ftype field if supported */ if (xfs_sb_version_hasftype(&mp->m_sb)) { - __uint8_t dir_ftype; - __uint8_t ino_ftype; + uint8_t dir_ftype; + uint8_t ino_ftype; dir_ftype = M_DIROPS(mp)->sf_get_ftype(sfep); ino_ftype = get_inode_ftype(irec, ino_offset); diff --git a/repair/phase7.c b/repair/phase7.c index 3e234b9..8f1ed6c 100644 --- a/repair/phase7.c +++ b/repair/phase7.c @@ -32,7 +32,7 @@ static void update_inode_nlinks( xfs_mount_t *mp, xfs_ino_t ino, - __uint32_t nlinks) + uint32_t nlinks) { xfs_trans_t *tp; xfs_inode_t *ip; @@ -106,7 +106,7 @@ do_link_updates( { ino_tree_node_t *irec; int j; - __uint32_t nrefs; + uint32_t nrefs; for (irec = findfirst_inode_rec(agno); irec; irec = next_ino_rec(irec)) { @@ -145,7 +145,7 @@ phase7( else do_log(_("Phase 7 - verify link counts...\n")); - set_progress_msg(PROGRESS_FMT_CORR_LINK, (__uint64_t) glob_agcount); + set_progress_msg(PROGRESS_FMT_CORR_LINK, (uint64_t) glob_agcount); create_work_queue(&wq, mp, scan_threads); diff --git a/repair/progress.c b/repair/progress.c index 2a09b23..3a2e9a2 100644 --- a/repair/progress.c +++ b/repair/progress.c @@ -85,8 +85,8 @@ pthread_t report_thread; typedef struct msg_block_s { pthread_mutex_t mutex; progress_rpt_t *format; - __uint64_t *done; - __uint64_t *total; + uint64_t *done; + uint64_t *total; int count; int interval; } msg_block_t; @@ -96,14 +96,14 @@ typedef struct phase_times_s { time_t start; time_t end; time_t duration; - __uint64_t item_counts[4]; + uint64_t item_counts[4]; } phase_times_t; static phase_times_t phase_times[8]; static void *progress_rpt_thread(void *); static int current_phase; static int running; -static __uint64_t prog_rpt_total; +static uint64_t prog_rpt_total; void init_progress_rpt (void) @@ -113,11 +113,11 @@ init_progress_rpt (void) * allocate the done vector */ - if ((prog_rpt_done = (__uint64_t *) - malloc(sizeof(__uint64_t)*glob_agcount)) == NULL ) { + if ((prog_rpt_done = (uint64_t *) + malloc(sizeof(uint64_t)*glob_agcount)) == NULL ) { do_error(_("cannot malloc pointer to done vector\n")); } - bzero(prog_rpt_done, sizeof(__uint64_t)*glob_agcount); + bzero(prog_rpt_done, sizeof(uint64_t)*glob_agcount); /* * Setup comm block, start the thread @@ -165,10 +165,10 @@ progress_rpt_thread (void *p) timer_t timerid; struct itimerspec timespec; char *msgbuf; - __uint64_t *donep; - __uint64_t sum; + uint64_t *donep; + uint64_t sum; msg_block_t *msgp = (msg_block_t *)p; - __uint64_t percent; + uint64_t percent; /* It's possible to get here very early w/ no progress msg set */ if (!msgp->format) @@ -286,7 +286,7 @@ progress_rpt_thread (void *p) } int -set_progress_msg (int report, __uint64_t total) +set_progress_msg (int report, uint64_t total) { if (!ag_stride) @@ -300,7 +300,7 @@ set_progress_msg (int report, __uint64_t total) /* reset all the accumulative totals */ if (prog_rpt_done) - bzero(prog_rpt_done, sizeof(__uint64_t)*glob_agcount); + bzero(prog_rpt_done, sizeof(uint64_t)*glob_agcount); if (pthread_mutex_unlock(&global_msgs.mutex)) do_error(_("set_progress_msg: cannot unlock progress mutex\n")); @@ -308,14 +308,14 @@ set_progress_msg (int report, __uint64_t total) return (0); } -__uint64_t +uint64_t print_final_rpt(void) { int i; struct tm *tmp; time_t now; - __uint64_t *donep; - __uint64_t sum; + uint64_t *donep; + uint64_t sum; msg_block_t *msgp = &global_msgs; char msgbuf[DURATION_BUF_SIZE]; diff --git a/repair/progress.h b/repair/progress.h index 33db834..5152648 100644 --- a/repair/progress.h +++ b/repair/progress.h @@ -32,8 +32,8 @@ extern void init_progress_rpt(void); extern void stop_progress_rpt(void); extern void summary_report(void); -extern int set_progress_msg(int report, __uint64_t total); -extern __uint64_t print_final_rpt(void); +extern int set_progress_msg(int report, uint64_t total); +extern uint64_t print_final_rpt(void); extern char *timestamp(int end, int phase, char *buf); extern char *duration(int val, char *buf); extern int do_parallel; diff --git a/repair/sb.c b/repair/sb.c index 4eef14a..ea89ca9 100644 --- a/repair/sb.c +++ b/repair/sb.c @@ -41,7 +41,7 @@ copy_sb(xfs_sb_t *source, xfs_sb_t *dest) xfs_ino_t uquotino; xfs_ino_t gquotino; xfs_ino_t pquotino; - __uint16_t versionnum; + uint16_t versionnum; rootino = dest->sb_rootino; rbmino = dest->sb_rbmino; @@ -264,7 +264,7 @@ sb_validate_ino_align(struct xfs_sb *sb) int verify_sb(char *sb_buf, xfs_sb_t *sb, int is_primary_sb) { - __uint32_t bsize; + uint32_t bsize; int i; /* check magic number and version number */ @@ -329,13 +329,13 @@ verify_sb(char *sb_buf, xfs_sb_t *sb, int is_primary_sb) if (sb->sb_dblocks == 0 || sb->sb_dblocks > - ((__uint64_t)sb->sb_agcount * sb->sb_agblocks) || + ((uint64_t)sb->sb_agcount * sb->sb_agblocks) || sb->sb_dblocks < - ((__uint64_t)(sb->sb_agcount - 1) * sb->sb_agblocks + ((uint64_t)(sb->sb_agcount - 1) * sb->sb_agblocks + XFS_MIN_AG_BLOCKS)) return(XR_BAD_FS_SIZE_DATA); - if (sb->sb_agblklog != (__uint8_t)libxfs_log2_roundup(sb->sb_agblocks)) + if (sb->sb_agblklog != (uint8_t)libxfs_log2_roundup(sb->sb_agblocks)) return(XR_BAD_FS_SIZE_DATA); if (sb->sb_inodesize < XFS_DINODE_MIN_SIZE || diff --git a/repair/scan.c b/repair/scan.c index 964ff06..5a79325 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -40,12 +40,12 @@ struct aghdr_cnts { xfs_agnumber_t agno; xfs_extlen_t agffreeblks; xfs_extlen_t agflongest; - __uint64_t agfbtreeblks; - __uint32_t agicount; - __uint32_t agifreecount; - __uint64_t fdblocks; - __uint64_t ifreecount; - __uint32_t fibtfreecount; + uint64_t agfbtreeblks; + uint32_t agicount; + uint32_t agifreecount; + uint64_t fdblocks; + uint64_t ifreecount; + uint32_t fibtfreecount; }; void @@ -67,10 +67,10 @@ scan_sbtree( xfs_agnumber_t agno, int suspect, int isroot, - __uint32_t magic, + uint32_t magic, void *priv), int isroot, - __uint32_t magic, + uint32_t magic, void *priv, const struct xfs_buf_ops *ops) { @@ -107,23 +107,23 @@ scan_lbtree( xfs_fsblock_t bno, xfs_ino_t ino, xfs_rfsblock_t *tot, - __uint64_t *nex, + uint64_t *nex, blkmap_t **blkmapp, bmap_cursor_t *bm_cursor, int isroot, int check_dups, int *dirty, - __uint64_t magic), + uint64_t magic), int type, int whichfork, xfs_ino_t ino, xfs_rfsblock_t *tot, - __uint64_t *nex, + uint64_t *nex, blkmap_t **blkmapp, bmap_cursor_t *bm_cursor, int isroot, int check_dups, - __uint64_t magic, + uint64_t magic, const struct xfs_buf_ops *ops) { xfs_buf_t *bp; @@ -176,13 +176,13 @@ scan_bmapbt( xfs_fsblock_t bno, xfs_ino_t ino, xfs_rfsblock_t *tot, - __uint64_t *nex, + uint64_t *nex, blkmap_t **blkmapp, bmap_cursor_t *bm_cursor, int isroot, int check_dups, int *dirty, - __uint64_t magic) + uint64_t magic) { int i; int err; @@ -528,7 +528,7 @@ scan_allocbt( xfs_agnumber_t agno, int suspect, int isroot, - __uint32_t magic, + uint32_t magic, void *priv) { struct aghdr_cnts *agcnts = priv; @@ -1243,7 +1243,7 @@ scan_inobt( xfs_agnumber_t agno, int suspect, int isroot, - __uint32_t magic, + uint32_t magic, void *priv) { struct aghdr_cnts *agcnts = priv; @@ -1479,7 +1479,7 @@ validate_agf( struct aghdr_cnts *agcnts) { xfs_agblock_t bno; - __uint32_t magic; + uint32_t magic; bno = be32_to_cpu(agf->agf_roots[XFS_BTNUM_BNO]); if (bno != 0 && verify_agbno(mp, agno, bno)) { @@ -1530,7 +1530,7 @@ validate_agi( { xfs_agblock_t bno; int i; - __uint32_t magic; + uint32_t magic; bno = be32_to_cpu(agi->agi_root); if (bno != 0 && verify_agbno(mp, agno, bno)) { @@ -1756,9 +1756,9 @@ scan_ags( int scan_threads) { struct aghdr_cnts *agcnts; - __uint64_t fdblocks = 0; - __uint64_t icount = 0; - __uint64_t ifreecount = 0; + uint64_t fdblocks = 0; + uint64_t icount = 0; + uint64_t ifreecount = 0; xfs_agnumber_t i; work_queue_t wq; diff --git a/repair/scan.h b/repair/scan.h index ea8c0bf..9bbe1e6 100644 --- a/repair/scan.h +++ b/repair/scan.h @@ -30,23 +30,23 @@ int scan_lbtree( xfs_fsblock_t bno, xfs_ino_t ino, xfs_rfsblock_t *tot, - __uint64_t *nex, + uint64_t *nex, struct blkmap **blkmapp, bmap_cursor_t *bm_cursor, int isroot, int check_dups, int *dirty, - __uint64_t magic), + uint64_t magic), int type, int whichfork, xfs_ino_t ino, xfs_rfsblock_t *tot, - __uint64_t *nex, + uint64_t *nex, struct blkmap **blkmapp, bmap_cursor_t *bm_cursor, int isroot, int check_dups, - __uint64_t magic, + uint64_t magic, const struct xfs_buf_ops *ops); int scan_bmapbt( @@ -57,13 +57,13 @@ int scan_bmapbt( xfs_fsblock_t bno, xfs_ino_t ino, xfs_rfsblock_t *tot, - __uint64_t *nex, + uint64_t *nex, struct blkmap **blkmapp, bmap_cursor_t *bm_cursor, int isroot, int check_dups, int *dirty, - __uint64_t magic); + uint64_t magic); void scan_ags( -- 2.7.3 From felix.janda@posteo.de Sat Jun 18 10:40:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8D0A87CA0 for ; Sat, 18 Jun 2016 10:40:18 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 22625AC002 for ; Sat, 18 Jun 2016 08:40:17 -0700 (PDT) X-ASG-Debug-ID: 1466264410-04bdf01e17e0ee0001-NocioJ Received: from mout01.posteo.de (mout01.posteo.de [185.67.36.65]) by cuda.sgi.com with ESMTP id I6ccsaE77HDA0CGt (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 08:40:12 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout01.posteo.de[185.67.36.65] X-Barracuda-Apparent-Source-IP: 185.67.36.65 Received: from dovecot03.posteo.de (dovecot03.posteo.de [172.16.0.13]) by mout01.posteo.de (Postfix) with ESMTPS id A41C420B45 for ; Sat, 18 Jun 2016 17:40:10 +0200 (CEST) Received: from mail.posteo.de (localhost [127.0.0.1]) by dovecot03.posteo.de (Postfix) with ESMTPSA id 3rX1XV3S73z5vN8 for ; Sat, 18 Jun 2016 17:40:10 +0200 (CEST) Date: Sat, 18 Jun 2016 17:38:55 +0200 From: Felix Janda To: xfs@oss.sgi.com Subject: Re: [PATCH 2/4] Simplify workaround for old glibc getsubopt() Message-ID: <20160618153855.GA2091@nyan> X-ASG-Orig-Subj: Re: [PATCH 2/4] Simplify workaround for old glibc getsubopt() References: <20160618145253.GB17768@nyan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160618145253.GB17768@nyan> User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout01.posteo.de[185.67.36.65] X-Barracuda-Start-Time: 1466264411 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 400 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30547 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Please ignore this patch and the next: The installed header linux.h should not redefine the standard function getsubopt(). Instead might it be possible to remove the workaround all together? glibc-2.2 (first version which does not need the workaround) was released in 2000 and even with older glibc when removing the workaround, it should only make the compiler emit a warning. Felix From darrick.wong@oracle.com Sat Jun 18 13:01:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B8DCC7CA0 for ; Sat, 18 Jun 2016 13:01:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 457D4AC001 for ; Sat, 18 Jun 2016 11:01:43 -0700 (PDT) X-ASG-Debug-ID: 1466272900-04bdf01e10e4db0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 0FBnrfkis1CD7s7D (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 11:01:40 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5II1bK7013911 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 18 Jun 2016 18:01:37 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5II1bb3028261 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 18 Jun 2016 18:01:37 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5II1YEb016459; Sat, 18 Jun 2016 18:01:35 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 18 Jun 2016 11:01:34 -0700 Date: Sat, 18 Jun 2016 11:01:33 -0700 From: "Darrick J. Wong" To: Brian Foster Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 003/119] xfs: check offsets of variable length structures Message-ID: <20160618180133.GB5046@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 003/119] xfs: check offsets of variable length structures References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612629195.12839.14090954204243398929.stgit@birch.djwong.org> <20160617173426.GA46309@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617173426.GA46309@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466272900 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4511 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30549 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Fri, Jun 17, 2016 at 01:34:27PM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:18:12PM -0700, Darrick J. Wong wrote: > > Some of the directory/attr structures contain variable-length objects, > > so the enclosing structure doesn't have a meaningful fixed size at > > compile time. We can check the offsets of the members before the > > variable-length member, so do those. > > > > Signed-off-by: Darrick J. Wong > > --- > > I'm missing why this is necessary. Is the intent still to catch > alignment and/or padding issues? If so, isn't the size check sufficient, > regardless of trailing variable size fields? > > Perhaps the goal here is to reduce the scope of checking from where it > isn't needed..? For example, xfs_dir2_data_unused_t looks like it has a > field where the offset in the structure is irrelevant, so that's a > possible false positive if that changes down the road. On the flip side, > that doesn't appear to be the case for other structures such as > xfs_attr_leaf_name_[local|remote]_t. ISTR making this change to work around behavioral variances in how much padding gcc adds to structures across its various targets. The macros that go along with the variable sized structures work fine, but testing the sizeof() doesn't work reliably. --D > > Brian > > > fs/xfs/xfs_ondisk.h | 25 +++++++++++++++++++++++-- > > 1 file changed, 23 insertions(+), 2 deletions(-) > > > > > > diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h > > index 184c44e..0272301 100644 > > --- a/fs/xfs/xfs_ondisk.h > > +++ b/fs/xfs/xfs_ondisk.h > > @@ -22,6 +22,11 @@ > > BUILD_BUG_ON_MSG(sizeof(structname) != (size), "XFS: sizeof(" \ > > #structname ") is wrong, expected " #size) > > > > +#define XFS_CHECK_OFFSET(structname, member, off) \ > > + BUILD_BUG_ON_MSG(offsetof(structname, member) != (off), \ > > + "XFS: offsetof(" #structname ", " #member ") is wrong, " \ > > + "expected " #off) > > + > > static inline void __init > > xfs_check_ondisk_structs(void) > > { > > @@ -75,15 +80,28 @@ xfs_check_ondisk_structs(void) > > XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_remote_t, 12); > > */ > > > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, valuelen, 0); > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, namelen, 2); > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, nameval, 3); > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valueblk, 0); > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valuelen, 4); > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, namelen, 8); > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, name, 9); > > XFS_CHECK_STRUCT_SIZE(xfs_attr_leafblock_t, 40); > > - XFS_CHECK_STRUCT_SIZE(xfs_attr_shortform_t, 8); > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, hdr.totsize, 0); > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, hdr.count, 2); > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].namelen, 4); > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].valuelen, 5); > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].flags, 6); > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].nameval, 7); > > XFS_CHECK_STRUCT_SIZE(xfs_da_blkinfo_t, 12); > > XFS_CHECK_STRUCT_SIZE(xfs_da_intnode_t, 16); > > XFS_CHECK_STRUCT_SIZE(xfs_da_node_entry_t, 8); > > XFS_CHECK_STRUCT_SIZE(xfs_da_node_hdr_t, 16); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_free_t, 4); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_hdr_t, 16); > > - XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_unused_t, 6); > > + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, freetag, 0); > > + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, length, 2); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t, 16); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t, 16); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino4_t, 4); > > @@ -94,6 +112,9 @@ xfs_check_ondisk_structs(void) > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t, 4); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t, 3); > > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, namelen, 0); > > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); > > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t, 2); > > > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Sat Jun 18 15:15:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DD00F7CA0 for ; Sat, 18 Jun 2016 15:15:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 49451AC004 for ; Sat, 18 Jun 2016 13:15:48 -0700 (PDT) X-ASG-Debug-ID: 1466280942-04cbb01fefbe960001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id qP0wyjJEByWKjNOW (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sat, 18 Jun 2016 13:15:43 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5IKFDfK004164 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 18 Jun 2016 20:15:14 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5IKFD5Q008464 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 18 Jun 2016 20:15:13 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5IKFB8a016595; Sat, 18 Jun 2016 20:15:11 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 18 Jun 2016 13:15:11 -0700 Date: Sat, 18 Jun 2016 13:15:10 -0700 From: "Darrick J. Wong" To: Christoph Hellwig Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 009/119] xfs: convert list of extents to free into a regular list Message-ID: <20160618201509.GA5042@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 009/119] xfs: convert list of extents to free into a regular list References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612632997.12839.18026491074892368053.stgit@birch.djwong.org> <20160617115930.GH19042@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617115930.GH19042@infradead.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466280942 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2351 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30550 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Fri, Jun 17, 2016 at 04:59:30AM -0700, Christoph Hellwig wrote: > > { > > + struct xfs_bmap_free_item *new; /* new element */ > > #ifdef DEBUG > > xfs_agnumber_t agno; > > xfs_agblock_t agbno; > > @@ -597,17 +595,7 @@ xfs_bmap_add_free( > > new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); > > new->xbfi_startblock = bno; > > new->xbfi_blockcount = (xfs_extlen_t)len; > > + list_add(&new->xbfi_list, &flist->xbf_flist); > > flist->xbf_count++; > > Please kill xbf_count while you're at it, it's entirely superflous. The deferred ops conversion patch kills this off by moving the whole "defer an op to the next transaction by logging redo items" logic into a separate file and mechanism. This patch is just a cleanup to reduce some of the open coded list ugliness before starting on the rmap stuff. Once the deferred ops code lands, all three of these functions go away. > > @@ -617,14 +605,10 @@ xfs_bmap_add_free( > > */ > > void > > xfs_bmap_del_free( > > - xfs_bmap_free_t *flist, /* free item list header */ > > - xfs_bmap_free_item_t *prev, /* previous item on list, if any */ > > - xfs_bmap_free_item_t *free) /* list item to be freed */ > > + struct xfs_bmap_free *flist, /* free item list header */ > > + struct xfs_bmap_free_item *free) /* list item to be freed */ > > Which then also gets rid of the flist argument here. > > > @@ -634,17 +618,16 @@ xfs_bmap_del_free( > > */ > > void > > xfs_bmap_cancel( > > + struct xfs_bmap_free *flist) /* list of bmap_free_items */ > > { > > + struct xfs_bmap_free_item *free; /* free list item */ > > > > if (flist->xbf_count == 0) > > return; > > + while (!list_empty(&flist->xbf_flist)) { > > + free = list_first_entry(&flist->xbf_flist, > > + struct xfs_bmap_free_item, xbfi_list); > > while ((free = list_first_entry_or_null(...)) > > > + list_sort((*tp)->t_mountp, &flist->xbf_flist, xfs_bmap_free_list_cmp); > > Can you add a comment on why we are sorting the list? We sort the list so that we process the freed extents in AG order to avoid deadlocking. I'll add a comment to the deferred ops code if there isn't one already. --D > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From david@fromorbit.com Sun Jun 19 19:21:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9744F7CA0 for ; Sun, 19 Jun 2016 19:21:53 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3A5A98F8039 for ; Sun, 19 Jun 2016 17:21:53 -0700 (PDT) X-ASG-Debug-ID: 1466382105-04bdf01e13125ad0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id RpubFsgj0hxZVoCp for ; Sun, 19 Jun 2016 17:21:46 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CnDACBNmdXEJgMLHlcgz6BU4ZvnyeMOIYGhAmGEQICAQECgSM8EQEBAQEBAQEGAQEBAQEBAQE+QIRLAQEBAwEnExwjBQsIAxgJJQ8FJQMHGhOIKAe/YAEBAQEGAgEkHoVBhRWBOYhiBZh2jiCPLI93NIIlAw0PgV4qMopIAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail05.adl6.internode.on.net with ESMTP; 20 Jun 2016 09:51:08 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bEmxf-000443-T7; Mon, 20 Jun 2016 10:21:07 +1000 Date: Mon, 20 Jun 2016 10:21:07 +1000 From: Dave Chinner To: "Darrick J. Wong" Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 006/119] xfs: port differences from xfsprogs libxfs Message-ID: <20160620002107.GG26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 006/119] xfs: port differences from xfsprogs libxfs References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612631079.12839.13685287438216197909.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612631079.12839.13685287438216197909.stgit@birch.djwong.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1466382106 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7842 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30580 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 16, 2016 at 06:18:30PM -0700, Darrick J. Wong wrote: > Port various differences between xfsprogs and the kernel. This > cleans up both so that we can develop rmap and reflink on the > same libxfs code. > > Signed-off-by: Darrick J. Wong Nak. I'm essentially trying to keep the little hacks needed in userspace out of the kernel libxfs tree. We quite regularly get people scanning the kernel tree and trying to remove things like exported function prototypes that are not used in kernel space, so the headers in userspace carry those simply to prevent people continually sending kernel patches that we have to look at and then ignore... > diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c > index 99b077c..58bdca7 100644 > --- a/fs/xfs/libxfs/xfs_alloc.c > +++ b/fs/xfs/libxfs/xfs_alloc.c > @@ -2415,7 +2415,9 @@ xfs_alloc_read_agf( > be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]); > spin_lock_init(&pag->pagb_lock); > pag->pagb_count = 0; > +#ifdef __KERNEL__ > pag->pagb_tree = RB_ROOT; > +#endif > pag->pagf_init = 1; > } > #ifdef DEBUG e.g. this is an indication that reminds us that there is functionality in the libxfs kernel tree that isn't in userspace... > diff --git a/fs/xfs/libxfs/xfs_attr_leaf.h b/fs/xfs/libxfs/xfs_attr_leaf.h > index 4f2aed0..8ef420a 100644 > --- a/fs/xfs/libxfs/xfs_attr_leaf.h > +++ b/fs/xfs/libxfs/xfs_attr_leaf.h > @@ -51,7 +51,7 @@ int xfs_attr_shortform_getvalue(struct xfs_da_args *args); > int xfs_attr_shortform_to_leaf(struct xfs_da_args *args); > int xfs_attr_shortform_remove(struct xfs_da_args *args); > int xfs_attr_shortform_allfit(struct xfs_buf *bp, struct xfs_inode *dp); > -int xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes); > +int xfs_attr_shortform_bytesfit(struct xfs_inode *dp, int bytes); > void xfs_attr_fork_remove(struct xfs_inode *ip, struct xfs_trans *tp); Things like this are fine... > > /* > diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c > index 932381c..499e980 100644 > --- a/fs/xfs/libxfs/xfs_bmap.c > +++ b/fs/xfs/libxfs/xfs_bmap.c > @@ -1425,7 +1425,7 @@ xfs_bmap_search_multi_extents( > * Else, *lastxp will be set to the index of the found > * entry; *gotp will contain the entry. > */ > -STATIC xfs_bmbt_rec_host_t * /* pointer to found extent entry */ > +xfs_bmbt_rec_host_t * /* pointer to found extent entry */ > xfs_bmap_search_extents( > xfs_inode_t *ip, /* incore inode pointer */ > xfs_fileoff_t bno, /* block number searched for */ > diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h > index 423a34e..79e3ebe 100644 > --- a/fs/xfs/libxfs/xfs_bmap.h > +++ b/fs/xfs/libxfs/xfs_bmap.h > @@ -231,4 +231,10 @@ int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, > int num_exts); > int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset); > > +struct xfs_bmbt_rec_host * > + xfs_bmap_search_extents(struct xfs_inode *ip, xfs_fileoff_t bno, > + int fork, int *eofp, xfs_extnum_t *lastxp, > + struct xfs_bmbt_irec *gotp, > + struct xfs_bmbt_irec *prevp); > + > #endif /* __XFS_BMAP_H__ */ But these are the sort of "clean up the kernel patches" that I was refering to. If there's a user in kernel space, then fine, otherwise it doesn't hurt to keep it only in userspace. There are relatively few of these.... > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index 1f88e1c..105979d 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -2532,6 +2532,7 @@ error0: > return error; > } > > +#ifdef __KERNEL__ > struct xfs_btree_split_args { > struct xfs_btree_cur *cur; > int level; > @@ -2609,6 +2610,9 @@ xfs_btree_split( > destroy_work_on_stack(&args.work); > return args.result; > } > +#else /* !KERNEL */ > +#define xfs_btree_split __xfs_btree_split > +#endif Same again -this is 4 lines of code that is userspace only. It's a tiny amount compared to the original difference that these kernel-only stack splits required, and so not a huge issue. > --- a/fs/xfs/libxfs/xfs_dquot_buf.c > +++ b/fs/xfs/libxfs/xfs_dquot_buf.c > @@ -31,10 +31,16 @@ > #include "xfs_cksum.h" > #include "xfs_trace.h" > > +/* > + * XXX: kernel implementation causes ndquots calc to go real > + * bad. Just leaving the existing userspace calc here right now. > + */ > int > xfs_calc_dquots_per_chunk( > unsigned int nbblks) /* basic block units */ > { > +#ifdef __KERNEL__ > + /* kernel code that goes wrong in userspace! */ > unsigned int ndquots; > > ASSERT(nbblks > 0); > @@ -42,6 +48,10 @@ xfs_calc_dquots_per_chunk( > do_div(ndquots, sizeof(xfs_dqblk_t)); > > return ndquots; > +#else > + ASSERT(nbblks > 0); > + return BBTOB(nbblks) / sizeof(xfs_dqblk_t); > +#endif > } This is a clear case that we need to fix the code to be correct for both kernel and userspace without modification, not propagate the userspace hack back into the kernel code. > diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c > index 9d9559e..794fa66 100644 > --- a/fs/xfs/libxfs/xfs_inode_buf.c > +++ b/fs/xfs/libxfs/xfs_inode_buf.c > @@ -56,6 +56,17 @@ xfs_inobp_check( > } > #endif > > +bool > +xfs_dinode_good_version( > + struct xfs_mount *mp, > + __u8 version) > +{ > + if (xfs_sb_version_hascrc(&mp->m_sb)) > + return version == 3; > + > + return version == 1 || version == 2; > +} This xfs_dinode_good_version() change needs to be a separate patch > void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); > #else > diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h > index e8f49c0..e5baba3 100644 > --- a/fs/xfs/libxfs/xfs_log_format.h > +++ b/fs/xfs/libxfs/xfs_log_format.h > @@ -462,8 +462,8 @@ static inline uint xfs_log_dinode_size(int version) > typedef struct xfs_buf_log_format { > unsigned short blf_type; /* buf log item type indicator */ > unsigned short blf_size; /* size of this item */ > - ushort blf_flags; /* misc state */ > - ushort blf_len; /* number of blocks in this buf */ > + unsigned short blf_flags; /* misc state */ > + unsigned short blf_len; /* number of blocks in this buf */ > __int64_t blf_blkno; /* starting blkno of this buf */ > unsigned int blf_map_size; /* used size of data bitmap in words */ > unsigned int blf_data_map[XFS_BLF_DATAMAP_SIZE]; /* dirty bitmap */ The removal of ushort/uint from the kernel code needs to be a separate patch that addresses all the users, not just the couple in shared headers.... > diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c > index 12ca867..09d6fd0 100644 > --- a/fs/xfs/libxfs/xfs_sb.c > +++ b/fs/xfs/libxfs/xfs_sb.c > @@ -261,6 +261,7 @@ xfs_mount_validate_sb( > /* > * Until this is fixed only page-sized or smaller data blocks work. > */ > +#ifdef __KERNEL__ > if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) { > xfs_warn(mp, > "File system with blocksize %d bytes. " > @@ -268,6 +269,7 @@ xfs_mount_validate_sb( > sbp->sb_blocksize, PAGE_SIZE); > return -ENOSYS; > } > +#endif > > /* > * Currently only very few inode sizes are supported. > @@ -291,10 +293,12 @@ xfs_mount_validate_sb( > return -EFBIG; > } > > +#ifdef __KERNEL__ > if (check_inprogress && sbp->sb_inprogress) { > xfs_warn(mp, "Offline file system operation in progress!"); > return -EFSCORRUPTED; > } > +#endif > return 0; > } Again, I don't think this needs to be propagated back into the kernel code... -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Jun 19 21:05:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id BAB2C7CA0 for ; Sun, 19 Jun 2016 21:05:05 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 73AE6304032 for ; Sun, 19 Jun 2016 19:05:02 -0700 (PDT) X-ASG-Debug-ID: 1466388299-04cbb01fef103910001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id 1AD0jMuuTG0G7HYo for ; Sun, 19 Jun 2016 19:04:59 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AyDABRTmdXEJgMLHlcgz6BU4ZvnyEGjDiGBoQJhhEEAgKBJj0QAQEBAQEBAQYBAQEBAQEBAT5AhEwBAQQ6HCMQCAMYCSUPBSUDBxoTiC+/XgELJR6FQYUVihsFmHaOIIFdjU9Ijy81hCEqMopIAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail05.adl6.internode.on.net with ESMTP; 20 Jun 2016 11:34:16 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bEoZS-0004E8-Ex; Mon, 20 Jun 2016 12:04:14 +1000 Date: Mon, 20 Jun 2016 12:04:14 +1000 From: Dave Chinner To: Felix Janda Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/4] Remove off64_t from linux.h Message-ID: <20160620020414.GH26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 1/4] Remove off64_t from linux.h References: <20160618145238.GA17768@nyan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160618145238.GA17768@nyan> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1466388299 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 653 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30581 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Sat, Jun 18, 2016 at 04:52:38PM +0200, Felix Janda wrote: > The off64_t type is usually only conditionally exposed under the > feature test macro _LARGEFILE64_SOURCE (also defined by _GNU_SOURCE). > To make the public xfs headers more standalone therefore off64_t should > be avoided. "more standalone"? What does that mean? And what does it mean for all the xfsprogs code that still uses off64_t? i.e. if you are going to make xfsprogs fail to compile on configs that don't define off64_t, then it makes no sense to leave all the users of off64_t in the xfsprogs code.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Jun 19 21:14:45 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BA79D7CA0 for ; Sun, 19 Jun 2016 21:14:45 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1B3BDAC001 for ; Sun, 19 Jun 2016 19:14:42 -0700 (PDT) X-ASG-Debug-ID: 1466388879-04cbb01fed104260001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id PJVEKui70ewnFucG for ; Sun, 19 Jun 2016 19:14:39 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CtDACFUGdXEJgMLHlcgz6BU4ZvnyEGjDiGBoQJhhECAgEBAoEmPRABAQEBAQEBBgEBAQEBAQEBPkCETAEBBDocIxAIAxgJJQ8FJQMHGhOIL79iATAehUGFFYobBZh2jiCPLI93NYQhKjKKSAEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail05.adl6.internode.on.net with ESMTP; 20 Jun 2016 11:42:27 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bEohO-0004FB-OP; Mon, 20 Jun 2016 12:12:26 +1000 Date: Mon, 20 Jun 2016 12:12:26 +1000 From: Dave Chinner To: Felix Janda Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/4] Move to more stdint types Message-ID: <20160620021226.GI26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 4/4] Move to more stdint types References: <20160618145330.GD17768@nyan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160618145330.GD17768@nyan> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1466388879 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 984 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30581 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Sat, Jun 18, 2016 at 04:53:30PM +0200, Felix Janda wrote: > The uint*_t and int*_t are defined by C99 and should be prefered > over the less portable __uint*_t and __int*_t variants. The > necessary include is in platformdefs.h, which gets > included in most places via libxfs.h. > > For now, only replace all __uint*_t types to uint*_t and likewise for > __int*_t outside the directories include/ and libxfs/. > > Signed-off-by: Felix Janda ..... > 58 files changed, 502 insertions(+), 502 deletions(-) Because of the amount of churn this will cause outstanding patchsets (e.g. the rmap/reflink work), this isn't the best time for us to be committing tree-wide cleanups like this. Once we get the major changes that are pending reviewed and committed I have no problems with making these changes, so perhaps you could regenerate the patch once those are merged? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Sun Jun 19 21:29:57 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id D60E97CA0 for ; Sun, 19 Jun 2016 21:29:57 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4D258AC001 for ; Sun, 19 Jun 2016 19:29:57 -0700 (PDT) X-ASG-Debug-ID: 1466389793-04cbb01fec105120001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id 4nkl4TqlsZWSJG6c for ; Sun, 19 Jun 2016 19:29:54 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AyDAA2VGdXEJgMLHlcgz6BU4ZvnyIGjDiGBoQJhhEEAgKBJz0QAQEBAQEBAQYBAQEBAQEBAT5AhEwBAQQ6HCMQCAMOCgklDwUlAwcaE4gvv1IBAQgCJR6FQYUVihsBBJh2jiCBXQEVjTmGUIknNYQhKjKKSAEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail05.adl6.internode.on.net with ESMTP; 20 Jun 2016 11:59:52 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bEoyG-0004Hw-2z; Mon, 20 Jun 2016 12:29:52 +1000 Date: Mon, 20 Jun 2016 12:29:52 +1000 From: Dave Chinner To: Christoph Hellwig Cc: Jan Kara , rpeterso@redhat.com, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 02/14] fs: introduce iomap infrastructure Message-ID: <20160620022952.GJ26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 02/14] fs: introduce iomap infrastructure References: <1464792297-13185-1-git-send-email-hch@lst.de> <1464792297-13185-3-git-send-email-hch@lst.de> <20160616161242.GB2106@quack2.suse.cz> <20160617120144.GA333@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617120144.GA333@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1466389793 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 436 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30582 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 17, 2016 at 02:01:44PM +0200, Christoph Hellwig wrote: > On Thu, Jun 16, 2016 at 06:12:42PM +0200, Jan Kara wrote: > > This is actually in 512-byte units, not in fs blocks as the comment > > suggests, right? > > Indeed, thanks for spotting this! I'll update the patches I've already tested, Christoph, so you don't have to post an update just for this. Cheers, Dave. -- Dave Chinner david@fromorbit.com From ceremonious06@mail.ru Mon Jun 20 00:32:40 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.5 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HTML_FONT_SIZE_LARGE,HTML_MESSAGE,MIME_HTML_ONLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 48F157CA1 for ; Mon, 20 Jun 2016 00:32:40 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0B3CF8F8040 for ; Sun, 19 Jun 2016 22:32:36 -0700 (PDT) X-ASG-Debug-ID: 1466400752-04bdf01e171320e0001-NocioJ Received: from [122.170.205.113] ([122.170.205.113]) by cuda.sgi.com with ESMTP id J0iSRcOyb7NlFEIK for ; Sun, 19 Jun 2016 22:32:33 -0700 (PDT) X-Barracuda-Envelope-From: ceremonious06@mail.ru X-Barracuda-Effective-Source-IP: UNKNOWN[122.170.205.113] X-Barracuda-Apparent-Source-IP: 122.170.205.113 Date: Mon, 20 Jun 2016 10:53:53 +0530 Message-ID: <7039964.20160620105353@mail.ru> To: X-Priority: 3 (Normal) From: =?koi8-r?B?98zBxMnL?= Subject: =?koi8-r?B?7s/X2cUg2sHLwdreycvJIC0g09DP08/CINLB2s/C0sHU2NPRINMgzg==?= =?koi8-r?B?xc/QzMHexc7O2c3JIMTPzMfBzck=?= MIME-Version: 1.0 X-ASG-Orig-Subj: =?koi8-r?B?7s/X2cUg2sHLwdreycvJIC0g09DP08/CINLB2s/C0sHU2NPRINMgzg==?= =?koi8-r?B?xc/QzMHexc7O2c3JIMTPzMfBzck=?= Content-Type: text/html; charset=koi8-r Content-Transfer-Encoding: quoted-printable X-Barracuda-Connect: UNKNOWN[122.170.205.113] X-Barracuda-Start-Time: 1466400753 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 574 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, HTML_FONT_SIZE_LARGE, HTML_MESSAGE, MIME_HTML_ONLY, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30585 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_FONT_SIZE_LARGE BODY: HTML font size is large 0.00 MIME_HTML_ONLY BODY: Message only has text/html MIME parts 0.00 HTML_MESSAGE BODY: HTML included in message 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963

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From felix.janda@posteo.de Mon Jun 20 01:55:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EBB037CA1 for ; Mon, 20 Jun 2016 01:55:17 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 79A12AC001 for ; Sun, 19 Jun 2016 23:55:14 -0700 (PDT) X-ASG-Debug-ID: 1466405706-04bdf01e131350c0001-NocioJ Received: from mout01.posteo.de (mout01.posteo.de [185.67.36.65]) by cuda.sgi.com with ESMTP id hS2wdU1wBbkcxW7o (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 19 Jun 2016 23:55:08 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout01.posteo.de[185.67.36.65] X-Barracuda-Apparent-Source-IP: 185.67.36.65 Received: from dovecot03.posteo.de (dovecot03.posteo.de [172.16.0.13]) by mout01.posteo.de (Postfix) with ESMTPS id 9F2C220C5A for ; Mon, 20 Jun 2016 08:55:05 +0200 (CEST) Received: from mail.posteo.de (localhost [127.0.0.1]) by dovecot03.posteo.de (Postfix) with ESMTPSA id 3rY1nj0d5Mz5vNS; Mon, 20 Jun 2016 08:55:04 +0200 (CEST) Date: Mon, 20 Jun 2016 08:53:48 +0200 From: Felix Janda To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/4] Remove off64_t from linux.h Message-ID: <20160620065348.GA431@nyan> X-ASG-Orig-Subj: Re: [PATCH 1/4] Remove off64_t from linux.h References: <20160618145238.GA17768@nyan> <20160620020414.GH26977@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620020414.GH26977@dastard> User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout01.posteo.de[185.67.36.65] X-Barracuda-Start-Time: 1466405707 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1901 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30586 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Dave Chinner wrote: Thanks for asking for clarification. > On Sat, Jun 18, 2016 at 04:52:38PM +0200, Felix Janda wrote: > > The off64_t type is usually only conditionally exposed under the > > feature test macro _LARGEFILE64_SOURCE (also defined by _GNU_SOURCE). > > To make the public xfs headers more standalone therefore off64_t should > > be avoided. > > "more standalone"? > > What does that mean? Programs including the xfs headers while not defining _GNU_SOURCE or _LARGEFILE64_SOURCE will not fail with compile errors. My previous patch changing loff_t to off64_t had the unintented consequences that downstreams of xfs-progs like ceph had to define _LARGEFILE64_SOURCE on linux. > And what does it mean for all the xfsprogs code that still uses > off64_t? off_t and off64_t are now synomyms and 64 bit on all architectures. So no difference for code using off64_t. Under some conditions there can be a difference for code using off_t. > i.e. if you are going to make xfsprogs fail to compile on configs > that don't define off64_t, then it makes no sense to leave all the > users of off64_t in the xfsprogs code.... On all supported systems except for current default linux (glibc) configurations either there does not exist off64_t or it is the same as off_t. The configure test will define _FILE_OFFSET_BITS=64 on linux systems (i.e. enabling transparent large file support) with the result that now even on linux off_t is 64 bit wide in all cases. The "assert" ensures that programs using the xfs headers do not compile when the expectation sizeof(off_t)=8 is not met. This makes programs on 32 bit linux systems using the xfs headers but not defining _FILE_OFFSET_BITS=64 not compile. I would consider this as beneficial because such programs easily can have bugs regarding support of files of size >2GB on 32 bit systems. Felix From felix.janda@posteo.de Mon Jun 20 01:55:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A6FE17CA1 for ; Mon, 20 Jun 2016 01:55:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6C93A304039 for ; Sun, 19 Jun 2016 23:55:31 -0700 (PDT) X-ASG-Debug-ID: 1466405727-04cb6c5424d9f40001-NocioJ Received: from mout01.posteo.de (mout01.posteo.de [185.67.36.65]) by cuda.sgi.com with ESMTP id Hh0kbiHdqqocgDtJ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Sun, 19 Jun 2016 23:55:29 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout01.posteo.de[185.67.36.65] X-Barracuda-Apparent-Source-IP: 185.67.36.65 Received: from dovecot03.posteo.de (dovecot03.posteo.de [172.16.0.13]) by mout01.posteo.de (Postfix) with ESMTPS id 820D720AE6 for ; Mon, 20 Jun 2016 08:55:27 +0200 (CEST) Received: from mail.posteo.de (localhost [127.0.0.1]) by dovecot03.posteo.de (Postfix) with ESMTPSA id 3rY1p72P33z5vMw; Mon, 20 Jun 2016 08:55:27 +0200 (CEST) Date: Mon, 20 Jun 2016 08:54:10 +0200 From: Felix Janda To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 4/4] Move to more stdint types Message-ID: <20160620065410.GB431@nyan> X-ASG-Orig-Subj: Re: [PATCH 4/4] Move to more stdint types References: <20160618145330.GD17768@nyan> <20160620021226.GI26977@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620021226.GI26977@dastard> User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout01.posteo.de[185.67.36.65] X-Barracuda-Start-Time: 1466405728 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1015 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30586 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Dave Chinner wrote: > On Sat, Jun 18, 2016 at 04:53:30PM +0200, Felix Janda wrote: > > The uint*_t and int*_t are defined by C99 and should be prefered > > over the less portable __uint*_t and __int*_t variants. The > > necessary include is in platformdefs.h, which gets > > included in most places via libxfs.h. > > > > For now, only replace all __uint*_t types to uint*_t and likewise for > > __int*_t outside the directories include/ and libxfs/. > > > > Signed-off-by: Felix Janda > ..... > > 58 files changed, 502 insertions(+), 502 deletions(-) > > Because of the amount of churn this will cause outstanding patchsets > (e.g. the rmap/reflink work), this isn't the best time for us to be > committing tree-wide cleanups like this. Once we get the major > changes that are pending reviewed and committed I have no problems > with making these changes, so perhaps you could regenerate the patch > once those are merged? Of course. Thanks, Felix From BATV+222cd9f711b61261916c+4684+infradead.org+hch@bombadil.srs.infradead.org Mon Jun 20 05:21:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9014C7CA1 for ; Mon, 20 Jun 2016 05:21:31 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 41D46304032 for ; Mon, 20 Jun 2016 03:21:28 -0700 (PDT) X-ASG-Debug-ID: 1466418085-04bdf01e1713ceb0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id eeXgNEQdgD5qRNXs (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 20 Jun 2016 03:21:26 -0700 (PDT) X-Barracuda-Envelope-From: BATV+222cd9f711b61261916c+4684+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.80.1 #2 (Red Hat Linux)) id 1bEwKY-0007kP-SB; Mon, 20 Jun 2016 10:21:22 +0000 Date: Mon, 20 Jun 2016 03:21:22 -0700 From: Christoph Hellwig To: Thorsten Leemhuis Cc: Linus Torvalds , Linux Kernel Mailing List , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, xfs@oss.sgi.com Subject: Re: Reported regressions for 4.7 as of Sunday, 2016-06-19 Message-ID: <20160620102122.GB23462@infradead.org> X-ASG-Orig-Subj: Re: Reported regressions for 4.7 as of Sunday, 2016-06-19 References: <7cc588b7-f1cf-62a8-e45b-ec7d863ba51e@leemhuis.info> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7cc588b7-f1cf-62a8-e45b-ec7d863ba51e@leemhuis.info> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466418086 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 306 X-ASG-Whitelist: Body =?UTF-8?B?aHR0cDovL21hcmNcLmluZm8vXD8=?= X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Another important one is the rename regression in XFS and ext4 that I suspect is due the VFS changes in 4.7: http://oss.sgi.com/pipermail/xfs/2016-June/049138.html http://oss.sgi.com/pipermail/xfs/2016-June/049309.html possibly related: http://marc.info/?l=linux-kernel&m=146605889024559&w=2 From cmaiolino@redhat.com Mon Jun 20 05:42:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1C3477CA1 for ; Mon, 20 Jun 2016 05:42:03 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 953FFAC002 for ; Mon, 20 Jun 2016 03:41:59 -0700 (PDT) X-ASG-Debug-ID: 1466419314-04cb6c5427e0530001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id SFHKyvBLFvP0D7Qf (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 03:41:55 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 76F5C46203 for ; Mon, 20 Jun 2016 10:41:54 +0000 (UTC) Received: from redhat.com (vpn-63-156.rdu2.redhat.com [10.10.63.156]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KAfoKH021317 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 20 Jun 2016 06:41:53 -0400 Date: Mon, 20 Jun 2016 12:41:50 +0200 From: Carlos Maiolino To: Eric Sandeen Cc: xfs-oss Subject: Re: [PATCH] xfs_copy: fix minor sparse endian nit Message-ID: <20160620104150.GA28212@redhat.com> X-ASG-Orig-Subj: Re: [PATCH] xfs_copy: fix minor sparse endian nit Mail-Followup-To: Eric Sandeen , xfs-oss References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 20 Jun 2016 10:41:54 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466419315 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 980 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Jun 17, 2016 at 11:44:44AM -0500, Eric Sandeen wrote: > The intermediate variable should not have been endian-annotated; > it is the local cpu representation not the on-disk representation. > Looks good, you can add: Reviewed-by: Carlos Maiolino > Signed-off-by: Eric Sandeen > --- > > diff --git a/copy/xfs_copy.c b/copy/xfs_copy.c > index 2119a0b..1bc5163 100644 > --- a/copy/xfs_copy.c > +++ b/copy/xfs_copy.c > @@ -506,7 +506,7 @@ sb_update_uuid( > */ > if (!uuid_equal(&tcarg->uuid, &ag_hdr->xfs_sb->sb_uuid) && > xfs_sb_version_hascrc(sb) && !xfs_sb_version_hasmetauuid(sb)) { > - __be32 feat; > + __uint32_t feat; > > feat = be32_to_cpu(ag_hdr->xfs_sb->sb_features_incompat); > feat |= XFS_SB_FEAT_INCOMPAT_META_UUID; > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From hch@lst.de Mon Jun 20 07:22:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2277B7CA1 for ; Mon, 20 Jun 2016 07:22:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id E63A8304032 for ; Mon, 20 Jun 2016 05:22:48 -0700 (PDT) X-ASG-Debug-ID: 1466425364-04cbb01fec11e720001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id qerADLWi8AFZH5rx (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 05:22:45 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id B152F68C4F; Mon, 20 Jun 2016 14:22:43 +0200 (CEST) Date: Mon, 20 Jun 2016 14:22:43 +0200 From: Christoph Hellwig To: Dave Chinner Cc: Christoph Hellwig , Jan Kara , rpeterso@redhat.com, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH 02/14] fs: introduce iomap infrastructure Message-ID: <20160620122243.GB29059@lst.de> X-ASG-Orig-Subj: Re: [PATCH 02/14] fs: introduce iomap infrastructure References: <1464792297-13185-1-git-send-email-hch@lst.de> <1464792297-13185-3-git-send-email-hch@lst.de> <20160616161242.GB2106@quack2.suse.cz> <20160617120144.GA333@lst.de> <20160620022952.GJ26977@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620022952.GJ26977@dastard> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1466425365 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 516 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30589 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Mon, Jun 20, 2016 at 12:29:52PM +1000, Dave Chinner wrote: > On Fri, Jun 17, 2016 at 02:01:44PM +0200, Christoph Hellwig wrote: > > On Thu, Jun 16, 2016 at 06:12:42PM +0200, Jan Kara wrote: > > > This is actually in 512-byte units, not in fs blocks as the comment > > > suggests, right? > > > > Indeed, thanks for spotting this! > > I'll update the patches I've already tested, Christoph, so you don't > have to post an update just for this. Ok, thanks. Can't wait for the code to finally go in.. From bart.vanassche@gmail.com Mon Jun 20 07:35:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 647107CA7 for ; Mon, 20 Jun 2016 07:35:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id E2E41AC001 for ; Mon, 20 Jun 2016 05:35:35 -0700 (PDT) X-ASG-Debug-ID: 1466426132-04cbb01fee11eda0001-NocioJ Received: from mail-wm0-f67.google.com (mail-wm0-f67.google.com [74.125.82.67]) by cuda.sgi.com with ESMTP id lWOtffyioyeByUHu (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 20 Jun 2016 05:35:32 -0700 (PDT) X-Barracuda-Envelope-From: bart.vanassche@gmail.com X-Barracuda-Effective-Source-IP: mail-wm0-f67.google.com[74.125.82.67] X-Barracuda-Apparent-Source-IP: 74.125.82.67 Received: by mail-wm0-f67.google.com with SMTP id a66so8634694wme.2 for ; Mon, 20 Jun 2016 05:35:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:subject:to:references:cc:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=t+FjJMJvzNGMW/yhrMw8baUaiRRnegFltP8OVGo4uPk=; b=e7tWwSzqxFydLyyJJnVWo5N27x6PyapIFl686H1E8EFXHpwzV4ZDAkxfxGzTo4yL5+ +yjfSP924maCcGvZNNpGp543qe/kgneOa+J6ZAMSprYRA54S41pDnQ0gRlALlM1fHGcu UsA+BK2A7Zhs4mqpGs2mwX1A3pv6c1QUK6O3admXM8QJCTtpC3W1Z31zPxWDnzweZscn hUqxapsGhEoqNbkDxqHj/hQH6l9Z7Zq+/uScmP7K5d3i2IIbdtTaHVYYzsJXUJVimQhY WgeFXkd/r0dAe7qdkpT7ymfZc+qvNJ5Je2XfscYCiVzzeoQw34elOoLksODEogQqI3zS O9qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:subject:to:references:cc:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=t+FjJMJvzNGMW/yhrMw8baUaiRRnegFltP8OVGo4uPk=; b=TTZRRUy+6UlxXP8PVOo1jFV9/8BYSAWFdFRsHx2bdfvKx6hk/wEEEnaKuRvxH2tPza 9fenGyTNerxV5Gc3XM8MjUhBA4Lj+4IT6ojAMJ3XH5+JoFn28GBv4MpNDgQA9OoqOYl6 oNgeMIwX52Z7q7tDfC87YfYAFsOKnbmegApBuGxiQHOw/fuC7VtuWFGdCB1AyALtMWGv j56YYkge5I6fymhaTT5QzYziw7e+X8qyxTyv/+DGQd9GSyrzm2YZjDv+HM9KXsAHJsvT IexK32sPlyKu65AndJTNnWZ0LWbKNQUxqx1CAz/fYEewYJu7HOZ+vyTkEKGA99WoCRGa zQvw== X-Gm-Message-State: ALyK8tKdPYLjA2eMOZTBwmlGV6yguRYpwgl++ygcLt4fGrqVc+BUC4ufyRqsbvyEZ6QVPg== X-Received: by 10.194.120.167 with SMTP id ld7mr15541576wjb.69.1466426131756; Mon, 20 Jun 2016 05:35:31 -0700 (PDT) Received: from exp-402881.sandisk.com (178-117-55-239.access.telenet.be. [178.117.55.239]) by smtp.googlemail.com with ESMTPSA id kd7sm63481294wjc.33.2016.06.20.05.35.30 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 20 Jun 2016 05:35:30 -0700 (PDT) From: Bart Van Assche X-Google-Original-From: Bart Van Assche Subject: Re: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. To: "Darrick J. Wong" , "axboe@kernel.dk" X-ASG-Orig-Subj: Re: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. References: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> <146612625412.12764.6647932282740152837.stgit@birch.djwong.org> Cc: "linux-block@vger.kernel.org" , "tytso@mit.edu" , "martin.petersen@oracle.com" , "snitzer@redhat.com" , "linux-api@vger.kernel.org" , "bfoster@redhat.com" , "xfs@oss.sgi.com" , "hch@infradead.org" , "dm-devel@redhat.com" , "linux-fsdevel@vger.kernel.org" , Christoph Hellwig Message-ID: <7589fc01-a000-a912-f9b5-cf099cc2d27a@acm.org> Date: Mon, 20 Jun 2016 14:35:29 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <146612625412.12764.6647932282740152837.stgit@birch.djwong.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-wm0-f67.google.com[74.125.82.67] X-Barracuda-Start-Time: 1466426132 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2539 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30589 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On 06/17/2016 03:18 AM, Darrick J. Wong wrote: > Invalidate the page cache (as a regular O_DIRECT write would do) to avoid > returning stale cache contents at a later time. > > v5: Refactor the 4.4 refactoring of the ioctl code into separate functions. > Split the page invalidation and the new ioctl into separate patches. > > Signed-off-by: Darrick J. Wong > Reviewed-by: Christoph Hellwig > --- > block/ioctl.c | 29 +++++++++++++++++++++++------ > 1 file changed, 23 insertions(+), 6 deletions(-) > > > diff --git a/block/ioctl.c b/block/ioctl.c > index ed2397f..d001f52 100644 > --- a/block/ioctl.c > +++ b/block/ioctl.c > @@ -225,7 +225,9 @@ static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode, > unsigned long arg) > { > uint64_t range[2]; > - uint64_t start, len; > + struct address_space *mapping; > + uint64_t start, end, len; > + int ret; > > if (!(mode & FMODE_WRITE)) > return -EBADF; > @@ -235,18 +237,33 @@ static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode, > > start = range[0]; > len = range[1]; > + end = start + len - 1; > > if (start & 511) > return -EINVAL; > if (len & 511) > return -EINVAL; > - start >>= 9; > - len >>= 9; > - > - if (start + len > (i_size_read(bdev->bd_inode) >> 9)) > + if (end >= (uint64_t)i_size_read(bdev->bd_inode)) > + return -EINVAL; > + if (end < start) > return -EINVAL; > > - return blkdev_issue_zeroout(bdev, start, len, GFP_KERNEL, false); > + /* Invalidate the page cache, including dirty pages */ > + mapping = bdev->bd_inode->i_mapping; > + truncate_inode_pages_range(mapping, start, end); > + > + ret = blkdev_issue_zeroout(bdev, start >> 9, len >> 9, GFP_KERNEL, > + false); > + if (ret) > + return ret; > + > + /* > + * Invalidate again; if someone wandered in and dirtied a page, > + * the caller will be given -EBUSY. > + */ > + return invalidate_inode_pages2_range(mapping, > + start >> PAGE_SHIFT, > + end >> PAGE_SHIFT); > } Hello Darrick, Maybe this has already been discussed, but anyway: in the POSIX spec (http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html) I found the following: "This volume of POSIX.1-2008 does not specify behavior of concurrent writes to a file from multiple processes. Applications should use some form of concurrency control." Do we really need the invalidate_inode_pages2_range() call? Thanks, Bart. From bart.vanassche@gmail.com Mon Jun 20 07:37:19 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 483FA7CB3 for ; Mon, 20 Jun 2016 07:37:19 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 1BB3F8F8049 for ; Mon, 20 Jun 2016 05:37:16 -0700 (PDT) X-ASG-Debug-ID: 1466426233-04cbb01fed11ee80001-NocioJ Received: from mail-wm0-f47.google.com (mail-wm0-f47.google.com [74.125.82.47]) by cuda.sgi.com with ESMTP id OjAwSwF3ADyGVdzn (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 20 Jun 2016 05:37:14 -0700 (PDT) X-Barracuda-Envelope-From: bart.vanassche@gmail.com X-Barracuda-Effective-Source-IP: mail-wm0-f47.google.com[74.125.82.47] X-Barracuda-Apparent-Source-IP: 74.125.82.47 Received: by mail-wm0-f47.google.com with SMTP id r201so59819488wme.1 for ; Mon, 20 Jun 2016 05:37:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:subject:to:references:cc:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=TDoG6awL+Gq2OpAUQhA4JrABhkPqxhGi6H8LhPUu/+4=; b=cz9jTecdpZq3jBCSPl3rqF1gLnS8nOcPi8tKYl3qbxvlWXzZ3C8rMO1wknuxwxh7JG WyYyDB3x26FXJuZeZ4kC0b+1q7ZQ/D7NKvgRwser1heONvfQeaHHu8LorO+Oz+AKph+M ojojjeOc+UQt57WsyDvF9NqF+iMFDbcME2Aib8aQD2uhij0GI7qUnyZCoZi/VOaaray/ /UblNe8tPludtkleNUsfk6JaWF+2ReaC9bTkkU6/5aKAojWvNCXjuDEqokRhZnuaQx+1 tndpexOjg6DvP7TKA/IK8c2YWprjaxJ1JFLyIlpLawcNlaHALO1mwd8n+fD9+yG+gsft fSWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:subject:to:references:cc:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=TDoG6awL+Gq2OpAUQhA4JrABhkPqxhGi6H8LhPUu/+4=; b=GbtJw0QBApD6tyUN2zcw2/OEzZFXu6tXvNHJXBGMHZSTx4FFjFmDk/WXBnUcQfP5Rx nX/yIgd/LF3tSpCIPZdtyJKDoWYKKAsr8Oe3choGO/pAAy95QOh4zcKKuL5+tPKVH/kS 6hbA8JC/WGXfPRXeuMDYqtNTpePEW19tsGxGqMwIWY0ob5GmtbVYzuUNP5RPhuUxAMrn Mt5aTGzxzNLQCLc7bChmX5sgEjRk2EE/ls/AgZL/358PZQqzrHJiWYl50eAK/PcP+lDl YwnnDjQJLikiVnLkG0ogbrI7eYfaiaS5gwnYtloSrJ46GOpK1K+i/OKY+TGsDHsHxrF5 QvVQ== X-Gm-Message-State: ALyK8tIZT6ChL9WygR47LSNdtLCjHJRF1RBj2aM2BFTmYPPRYFiAsZrFNOC4I4VathUVBA== X-Received: by 10.28.126.2 with SMTP id z2mr11433246wmc.73.1466426228373; Mon, 20 Jun 2016 05:37:08 -0700 (PDT) Received: from exp-402881.sandisk.com (178-117-55-239.access.telenet.be. [178.117.55.239]) by smtp.googlemail.com with ESMTPSA id li10sm18914682wjb.5.2016.06.20.05.37.06 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 20 Jun 2016 05:37:07 -0700 (PDT) From: Bart Van Assche X-Google-Original-From: Bart Van Assche Subject: Re: [PATCH 2/3] block: require write_same and discard requests align to logical block size To: "Darrick J. Wong" , "axboe@kernel.dk" X-ASG-Orig-Subj: Re: [PATCH 2/3] block: require write_same and discard requests align to logical block size References: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> <146612626092.12764.773833541076937471.stgit@birch.djwong.org> Cc: "linux-block@vger.kernel.org" , "tytso@mit.edu" , "martin.petersen@oracle.com" , "snitzer@redhat.com" , "linux-api@vger.kernel.org" , "bfoster@redhat.com" , "xfs@oss.sgi.com" , "hch@infradead.org" , "dm-devel@redhat.com" , "linux-fsdevel@vger.kernel.org" , Christoph Hellwig , Bart Van Assche Message-ID: <3470c511-59f5-ff7d-b4b0-22d7d8a2a6e7@acm.org> Date: Mon, 20 Jun 2016 14:37:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <146612626092.12764.773833541076937471.stgit@birch.djwong.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-wm0-f47.google.com[74.125.82.47] X-Barracuda-Start-Time: 1466426234 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 543 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30589 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On 06/17/2016 03:19 AM, Darrick J. Wong wrote: > Make sure that the offset and length arguments that we're using to > construct WRITE SAME and DISCARD requests are actually aligned to the > logical block size. Failure to do this causes other errors in other > parts of the block layer or the SCSI layer because disks don't support > partial logical block writes. > > Signed-off-by: Darrick J. Wong > Reviewed-by: Christoph Hellwig Reviewed-by: Bart Van Assche From bfoster@redhat.com Mon Jun 20 07:38:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B52BF7CB3 for ; Mon, 20 Jun 2016 07:38:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4E718AC003 for ; Mon, 20 Jun 2016 05:38:42 -0700 (PDT) X-ASG-Debug-ID: 1466426320-04bdf01e17141170001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id FWaEOb21qRq6zQlH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 05:38:41 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C527A80085; Mon, 20 Jun 2016 12:38:40 +0000 (UTC) Received: from laptop.bfoster (vpn-60-186.rdu2.redhat.com [10.10.60.186]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KCcbUL002162 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 20 Jun 2016 08:38:39 -0400 Date: Mon, 20 Jun 2016 08:38:36 -0400 From: Brian Foster To: "Darrick J. Wong" Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 003/119] xfs: check offsets of variable length structures Message-ID: <20160620123836.GA9474@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 003/119] xfs: check offsets of variable length structures References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612629195.12839.14090954204243398929.stgit@birch.djwong.org> <20160617173426.GA46309@bfoster.bfoster> <20160618180133.GB5046@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160618180133.GB5046@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 20 Jun 2016 12:38:40 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466426321 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5134 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Sat, Jun 18, 2016 at 11:01:33AM -0700, Darrick J. Wong wrote: > On Fri, Jun 17, 2016 at 01:34:27PM -0400, Brian Foster wrote: > > On Thu, Jun 16, 2016 at 06:18:12PM -0700, Darrick J. Wong wrote: > > > Some of the directory/attr structures contain variable-length objects, > > > so the enclosing structure doesn't have a meaningful fixed size at > > > compile time. We can check the offsets of the members before the > > > variable-length member, so do those. > > > > > > Signed-off-by: Darrick J. Wong > > > --- > > > > I'm missing why this is necessary. Is the intent still to catch > > alignment and/or padding issues? If so, isn't the size check sufficient, > > regardless of trailing variable size fields? > > > > Perhaps the goal here is to reduce the scope of checking from where it > > isn't needed..? For example, xfs_dir2_data_unused_t looks like it has a > > field where the offset in the structure is irrelevant, so that's a > > possible false positive if that changes down the road. On the flip side, > > that doesn't appear to be the case for other structures such as > > xfs_attr_leaf_name_[local|remote]_t. > > ISTR making this change to work around behavioral variances in how > much padding gcc adds to structures across its various targets. The > macros that go along with the variable sized structures work fine, > but testing the sizeof() doesn't work reliably. > Ok, I take that to mean that we may or may not have padding in some of the variable structures depending on architecture (and we really only care about certain fields in those structures). Fair enough, thanks! Brian > --D > > > > > Brian > > > > > fs/xfs/xfs_ondisk.h | 25 +++++++++++++++++++++++-- > > > 1 file changed, 23 insertions(+), 2 deletions(-) > > > > > > > > > diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h > > > index 184c44e..0272301 100644 > > > --- a/fs/xfs/xfs_ondisk.h > > > +++ b/fs/xfs/xfs_ondisk.h > > > @@ -22,6 +22,11 @@ > > > BUILD_BUG_ON_MSG(sizeof(structname) != (size), "XFS: sizeof(" \ > > > #structname ") is wrong, expected " #size) > > > > > > +#define XFS_CHECK_OFFSET(structname, member, off) \ > > > + BUILD_BUG_ON_MSG(offsetof(structname, member) != (off), \ > > > + "XFS: offsetof(" #structname ", " #member ") is wrong, " \ > > > + "expected " #off) > > > + > > > static inline void __init > > > xfs_check_ondisk_structs(void) > > > { > > > @@ -75,15 +80,28 @@ xfs_check_ondisk_structs(void) > > > XFS_CHECK_STRUCT_SIZE(xfs_attr_leaf_name_remote_t, 12); > > > */ > > > > > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, valuelen, 0); > > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, namelen, 2); > > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_local_t, nameval, 3); > > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valueblk, 0); > > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, valuelen, 4); > > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, namelen, 8); > > > + XFS_CHECK_OFFSET(xfs_attr_leaf_name_remote_t, name, 9); > > > XFS_CHECK_STRUCT_SIZE(xfs_attr_leafblock_t, 40); > > > - XFS_CHECK_STRUCT_SIZE(xfs_attr_shortform_t, 8); > > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, hdr.totsize, 0); > > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, hdr.count, 2); > > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].namelen, 4); > > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].valuelen, 5); > > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].flags, 6); > > > + XFS_CHECK_OFFSET(xfs_attr_shortform_t, list[0].nameval, 7); > > > XFS_CHECK_STRUCT_SIZE(xfs_da_blkinfo_t, 12); > > > XFS_CHECK_STRUCT_SIZE(xfs_da_intnode_t, 16); > > > XFS_CHECK_STRUCT_SIZE(xfs_da_node_entry_t, 8); > > > XFS_CHECK_STRUCT_SIZE(xfs_da_node_hdr_t, 16); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_free_t, 4); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_hdr_t, 16); > > > - XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_unused_t, 6); > > > + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, freetag, 0); > > > + XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, length, 2); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t, 16); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t, 16); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino4_t, 4); > > > @@ -94,6 +112,9 @@ xfs_check_ondisk_structs(void) > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t, 4); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t, 3); > > > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, namelen, 0); > > > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); > > > + XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); > > > XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t, 2); > > > > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Mon Jun 20 09:31:56 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6D8617CA4 for ; Mon, 20 Jun 2016 09:31:56 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 22799304032 for ; Mon, 20 Jun 2016 07:31:53 -0700 (PDT) X-ASG-Debug-ID: 1466433111-04bdf01e131475a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id jb6xkekIyD0VxPrU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 07:31:51 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5E7B1C08A402; Mon, 20 Jun 2016 14:31:51 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KEVoeG005432; Mon, 20 Jun 2016 10:31:50 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 8EA40123469; Mon, 20 Jun 2016 10:31:49 -0400 (EDT) Date: Mon, 20 Jun 2016 10:31:49 -0400 From: Brian Foster To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 010/119] xfs: create a standard btree size calculator code Message-ID: <20160620143148.GA2465@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 010/119] xfs: create a standard btree size calculator code References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612633632.12839.13314497569643567486.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612633632.12839.13314497569643567486.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 20 Jun 2016 14:31:51 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466433111 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2670 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:18:56PM -0700, Darrick J. Wong wrote: > Create a helper to generate AG btree height calculator functions. > This will be used (much) later when we get to the refcount btree. > > v2: Use a helper function instead of a macro. > v3: We can (theoretically) store more than 2^32 records in a btree, so > widen the fields to accept that. > v4: Don't modify xfs_bmap_worst_indlen; the purpose of /that/ function > is to estimate the worst-case number of blocks needed for a bmbt > expansion, not to calculate the space required to store nr records. > > Signed-off-by: Darrick J. Wong > --- I think this one should probably be pushed out to where it is used (easier to review with an example imo). I don't see it used anywhere up through the rmapbt stuff, anyways... > fs/xfs/libxfs/xfs_btree.c | 27 +++++++++++++++++++++++++++ > fs/xfs/libxfs/xfs_btree.h | 3 +++ > 2 files changed, 30 insertions(+) > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index 105979d..5eb4e40 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -4156,3 +4156,30 @@ xfs_btree_sblock_verify( > > return true; > } > + > +/* > + * Calculate the number of blocks needed to store a given number of records > + * in a short-format (per-AG metadata) btree. > + */ > +xfs_extlen_t > +xfs_btree_calc_size( > + struct xfs_mount *mp, > + uint *limits, > + unsigned long long len) > +{ > + int level; > + int maxrecs; > + xfs_extlen_t rval; > + > + maxrecs = limits[0]; > + for (level = 0, rval = 0; len > 0; level++) { len is unsigned, so len > 0 is kind of pointless. Perhaps check len > 1 and kill the check in the loop? Brian > + len += maxrecs - 1; > + do_div(len, maxrecs); > + rval += len; > + if (len == 1) > + return rval; > + if (level == 0) > + maxrecs = limits[1]; > + } > + return rval; > +} > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index 9a88839..b330f19 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -475,4 +475,7 @@ static inline int xfs_btree_get_level(struct xfs_btree_block *block) > bool xfs_btree_sblock_v5hdr_verify(struct xfs_buf *bp); > bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs); > > +xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, > + unsigned long long len); > + > #endif /* __XFS_BTREE_H__ */ > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Mon Jun 20 09:32:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8A2E07CA4 for ; Mon, 20 Jun 2016 09:32:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 249D5AC002 for ; Mon, 20 Jun 2016 07:32:02 -0700 (PDT) X-ASG-Debug-ID: 1466433121-04bdf01e171475d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id il3MhwIUXQuFL7Hm (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 07:32:01 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 02BAADB02F; Mon, 20 Jun 2016 14:32:01 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KEW03Q013692; Mon, 20 Jun 2016 10:32:00 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 6C8A9123469; Mon, 20 Jun 2016 10:31:59 -0400 (EDT) Date: Mon, 20 Jun 2016 10:31:59 -0400 From: Brian Foster To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 011/119] xfs: refactor btree maxlevels computation Message-ID: <20160620143158.GB2465@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 011/119] xfs: refactor btree maxlevels computation References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612634260.12839.10495592169777117935.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612634260.12839.10495592169777117935.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Mon, 20 Jun 2016 14:32:01 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466433121 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4546 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:19:02PM -0700, Darrick J. Wong wrote: > Create a common function to calculate the maximum height of a per-AG > btree. This will eventually be used by the rmapbt and refcountbt code > to calculate appropriate maxlevels values for each. This is important > because the verifiers and the transaction block reservations depend on > accurate estimates of many blocks are needed to satisfy a btree split. how many > > We were mistakenly using the max bnobt height for all the btrees, > which creates a dangerous situation since the larger records and keys > in an rmapbt make it very possible that the rmapbt will be taller than > the bnobt and so we can run out of transaction block reservation. > > Signed-off-by: Darrick J. Wong > --- Reviewed-by: Brian Foster > fs/xfs/libxfs/xfs_alloc.c | 15 ++------------- > fs/xfs/libxfs/xfs_btree.c | 19 +++++++++++++++++++ > fs/xfs/libxfs/xfs_btree.h | 2 ++ > fs/xfs/libxfs/xfs_ialloc.c | 19 +++++-------------- > 4 files changed, 28 insertions(+), 27 deletions(-) > > > diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c > index 1c76a0e..c366889 100644 > --- a/fs/xfs/libxfs/xfs_alloc.c > +++ b/fs/xfs/libxfs/xfs_alloc.c > @@ -1839,19 +1839,8 @@ void > xfs_alloc_compute_maxlevels( > xfs_mount_t *mp) /* file system mount structure */ > { > - int level; > - uint maxblocks; > - uint maxleafents; > - int minleafrecs; > - int minnoderecs; > - > - maxleafents = (mp->m_sb.sb_agblocks + 1) / 2; > - minleafrecs = mp->m_alloc_mnr[0]; > - minnoderecs = mp->m_alloc_mnr[1]; > - maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; > - for (level = 1; maxblocks > 1; level++) > - maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; > - mp->m_ag_maxlevels = level; > + mp->m_ag_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_alloc_mnr, > + (mp->m_sb.sb_agblocks + 1) / 2); > } > > /* > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index 5eb4e40..046fbcf 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -4158,6 +4158,25 @@ xfs_btree_sblock_verify( > } > > /* > + * Calculate the number of btree levels needed to store a given number of > + * records in a short-format btree. > + */ > +uint > +xfs_btree_compute_maxlevels( > + struct xfs_mount *mp, > + uint *limits, > + unsigned long len) > +{ > + uint level; > + unsigned long maxblocks; > + > + maxblocks = (len + limits[0] - 1) / limits[0]; > + for (level = 1; maxblocks > 1; level++) > + maxblocks = (maxblocks + limits[1] - 1) / limits[1]; > + return level; > +} > + > +/* > * Calculate the number of blocks needed to store a given number of records > * in a short-format (per-AG metadata) btree. > */ > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index b330f19..b955e5d 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -477,5 +477,7 @@ bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs); > > xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, > unsigned long long len); > +uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, > + unsigned long len); > > #endif /* __XFS_BTREE_H__ */ > diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c > index 9d0003c..cda7269 100644 > --- a/fs/xfs/libxfs/xfs_ialloc.c > +++ b/fs/xfs/libxfs/xfs_ialloc.c > @@ -2394,20 +2394,11 @@ void > xfs_ialloc_compute_maxlevels( > xfs_mount_t *mp) /* file system mount structure */ > { > - int level; > - uint maxblocks; > - uint maxleafents; > - int minleafrecs; > - int minnoderecs; > - > - maxleafents = (1LL << XFS_INO_AGINO_BITS(mp)) >> > - XFS_INODES_PER_CHUNK_LOG; > - minleafrecs = mp->m_inobt_mnr[0]; > - minnoderecs = mp->m_inobt_mnr[1]; > - maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; > - for (level = 1; maxblocks > 1; level++) > - maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; > - mp->m_in_maxlevels = level; > + uint inodes; > + > + inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG; > + mp->m_in_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_inobt_mnr, > + inodes); > } > > /* > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Mon Jun 20 11:52:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 40DA47CA1 for ; Mon, 20 Jun 2016 11:52:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id AFC62AC001 for ; Mon, 20 Jun 2016 09:52:45 -0700 (PDT) X-ASG-Debug-ID: 1466441564-04cb6c5425ebf50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 4p6bqeRtaMOQtVO2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 09:52:44 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 03BBBB5398 for ; Mon, 20 Jun 2016 16:52:44 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KGqh2U023008 for ; Mon, 20 Jun 2016 12:52:43 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 48666123469; Mon, 20 Jun 2016 12:52:42 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH 0/2] xfsprogs/db: fix up broken multi-record inode chunk support Date: Mon, 20 Jun 2016 12:52:40 -0400 X-ASG-Orig-Subj: [PATCH 0/2] xfsprogs/db: fix up broken multi-record inode chunk support Message-Id: <1466441562-12317-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Mon, 20 Jun 2016 16:52:44 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466441564 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2086 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 xfs_db/xfs_check doesn't currently handle filesystems with multi-record inode chunks correctly. For example, do the following on a 64k page size arch such as ppc64: # mkfs.xfs -f -b size=64k # xfs_db -c check bad magic number 0 for inode 1152 bad magic number 0 for inode 1153 bad magic number 0 for inode 1154 bad magic number 0 for inode 1155 bad magic number 0 for inode 1156 bad magic number 0 for inode 1157 ... This boils down to a regression in the inode record processing code (scanfunc_ino()) in db/check.c. Specifically, the cblocks value can end up being zero after it is shifted by mp->m_sb.sb_inopblog (i.e., 64 >> 7 == 0 for an -isize=512 -bsize=64k fs). The xfs_check sparse inode processing code takes a unique approach from similar code in other areas such as metadump and repair. This was sufficiently confusing for me that I decided to start with a revert of the patch that introduced the regression and follow up with a patch that updates the inode record processing code to take a similar approach as used in metadump, for example. This approach processes inode chunks a cluster at a time on sparse inode enabled filesystems and skips the regions that are sparse according to the record holemask. The two patches could probably be squashed into one if that is desired, but I'm posting separately as it describes my workflow. This survives my testing thus far on sparse inode filesystems as well as multi-record chunk configurations. These multi-rec configurations don't exactly have a high test pass rate ;P but I haven't hit any regressions. BTW, I have noticed that xfs_check seems to also have memory issues with quotas on multi-inode-rec fs', but that seems to go much farther back and may just be a limitation of check. Brian Brian Foster (2): Revert "xfs_db: make check work for sparse inodes" xfs_check: process sparse inode chunks correctly db/check.c | 274 +++++++++++++++++++++---------------------------------------- 1 file changed, 92 insertions(+), 182 deletions(-) -- 2.5.5 From bfoster@redhat.com Mon Jun 20 11:52:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C7E677CA3 for ; Mon, 20 Jun 2016 11:52:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 42DECAC004 for ; Mon, 20 Jun 2016 09:52:46 -0700 (PDT) X-ASG-Debug-ID: 1466441564-04cb6c5424ebf50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id jwHQqaXtqmKDLTIO (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 09:52:44 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0C2CAC05FBD0 for ; Mon, 20 Jun 2016 16:52:44 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KGqhsq024839 for ; Mon, 20 Jun 2016 12:52:43 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 5F86B123632; Mon, 20 Jun 2016 12:52:42 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Date: Mon, 20 Jun 2016 12:52:42 -0400 X-ASG-Orig-Subj: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Message-Id: <1466441562-12317-3-git-send-email-bfoster@redhat.com> In-Reply-To: <1466441562-12317-1-git-send-email-bfoster@redhat.com> References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Mon, 20 Jun 2016 16:52:44 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466441564 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7198 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Update the inode btree scanning functions to process sparse inode chunks correctly. For filesystems with sparse inode support enabled, process each chunk a cluster at a time. Each cluster is checked against the inobt record to determine if it is a hole and skipped if so. Note that since xfs_check is deprecated in favor of xfs_repair, this adds the minimum support necessary to process sparse inode enabled filesystems. In other words, this adds no sparse inode specific checks or verifications. We only update the inobt scanning functions to extend the existing level of verification to sparse inode enabled filesystems (e.g., avoid incorrectly tracking sparse regions as inodes). Problems or corruptions associated with sparse inode records must be detected and recovered via xfs_repair. Signed-off-by: Brian Foster --- db/check.c | 143 +++++++++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 102 insertions(+), 41 deletions(-) diff --git a/db/check.c b/db/check.c index 750ecc1..25146e5 100644 --- a/db/check.c +++ b/db/check.c @@ -4324,10 +4324,24 @@ scanfunc_ino( int i; int isfree; int j; + int freecount; int nfree; int off; xfs_inobt_ptr_t *pp; xfs_inobt_rec_t *rp; + xfs_agblock_t agbno; + xfs_agblock_t end_agbno; + struct xfs_dinode *dip; + int blks_per_buf; + int inodes_per_buf; + int ioff; + + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) + blks_per_buf = xfs_icluster_size_fsb(mp); + else + blks_per_buf = mp->m_ialloc_blks; + inodes_per_buf = min(blks_per_buf << mp->m_sb.sb_inopblog, + XFS_INODES_PER_CHUNK); if (be32_to_cpu(block->bb_magic) != XFS_IBT_MAGIC && be32_to_cpu(block->bb_magic) != XFS_IBT_CRC_MAGIC) { @@ -4357,54 +4371,74 @@ scanfunc_ino( rp = XFS_INOBT_REC_ADDR(mp, block, 1); for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { agino = be32_to_cpu(rp[i].ir_startino); - off = XFS_INO_TO_OFFSET(mp, agino); + agbno = XFS_AGINO_TO_AGBNO(mp, agino); + off = XFS_AGINO_TO_OFFSET(mp, agino); + end_agbno = agbno + mp->m_ialloc_blks; if (off == 0) { if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && mp->m_sb.sb_inoalignmt && (XFS_INO_TO_AGBNO(mp, agino) % mp->m_sb.sb_inoalignmt)) sbversion &= ~XFS_SB_VERSION_ALIGNBIT; - set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), - (xfs_extlen_t)MAX(1, - XFS_INODES_PER_CHUNK >> - mp->m_sb.sb_inopblog), - DBM_INODE, seqno, bno); } - icount += XFS_INODES_PER_CHUNK; - agicount += XFS_INODES_PER_CHUNK; - ifree += be32_to_cpu(rp[i].ir_u.f.ir_freecount); - agifreecount += be32_to_cpu(rp[i].ir_u.f.ir_freecount); + push_cur(); - set_cur(&typtab[TYP_INODE], - XFS_AGB_TO_DADDR(mp, seqno, - XFS_AGINO_TO_AGBNO(mp, agino)), - (int)XFS_FSB_TO_BB(mp, mp->m_ialloc_blks), - DB_RING_IGN, NULL); - if (iocur_top->data == NULL) { - if (!sflag) - dbprintf(_("can't read inode block " - "%u/%u\n"), - seqno, - XFS_AGINO_TO_AGBNO(mp, agino)); - error++; - pop_cur(); - continue; - } - for (j = 0, nfree = 0; j < XFS_INODES_PER_CHUNK; j++) { - isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], j); - if (isfree) - nfree++; - process_inode(agf, agino + j, - (xfs_dinode_t *)((char *)iocur_top->data + ((off + j) << mp->m_sb.sb_inodelog)), - isfree); + + ioff = 0; + nfree = 0; + while (agbno < end_agbno && + ioff < XFS_INODES_PER_CHUNK) { + if (xfs_inobt_is_sparse_disk(&rp[i], ioff)) + goto next_buf; + + if (off < XFS_INODES_PER_CHUNK) + set_dbmap(seqno, agbno, blks_per_buf, + DBM_INODE, seqno, bno); + + icount += inodes_per_buf; + agicount += inodes_per_buf; + + set_cur(&typtab[TYP_INODE], + XFS_AGB_TO_DADDR(mp, seqno, agbno), + XFS_FSB_TO_BB(mp, blks_per_buf), + DB_RING_IGN, NULL); + if (iocur_top->data == NULL) { + if (!sflag) + dbprintf(_("can't read inode block " + "%u/%u\n"), seqno, + agbno); + error++; + goto next_buf; + } + + for (j = 0; j < inodes_per_buf; j++) { + isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], ioff + j); + if (isfree) + nfree++; + dip = (xfs_dinode_t *)((char *)iocur_top->data + + ((off + j) << mp->m_sb.sb_inodelog)); + process_inode(agf, agino + ioff + j, dip, isfree); + } + +next_buf: + agbno += blks_per_buf; + ioff += inodes_per_buf; } - if (nfree != be32_to_cpu(rp[i].ir_u.f.ir_freecount)) { + + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) + freecount = rp[i].ir_u.sp.ir_freecount; + else + freecount = be32_to_cpu(rp[i].ir_u.f.ir_freecount); + + ifree += freecount; + agifreecount += freecount; + + if (nfree != freecount) { if (!sflag) dbprintf(_("ir_freecount/free mismatch, " "inode chunk %u/%u, freecount " "%d nfree %d\n"), - seqno, agino, - be32_to_cpu(rp[i].ir_u.f.ir_freecount), nfree); + seqno, agino, freecount, nfree); error++; } pop_cur(); @@ -4439,6 +4473,18 @@ scanfunc_fino( int off; xfs_inobt_ptr_t *pp; struct xfs_inobt_rec *rp; + xfs_agblock_t agbno; + xfs_agblock_t end_agbno; + int blks_per_buf; + int inodes_per_buf; + int ioff; + + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) + blks_per_buf = xfs_icluster_size_fsb(mp); + else + blks_per_buf = mp->m_ialloc_blks; + inodes_per_buf = min(blks_per_buf << mp->m_sb.sb_inopblog, + XFS_INODES_PER_CHUNK); if (be32_to_cpu(block->bb_magic) != XFS_FIBT_MAGIC && be32_to_cpu(block->bb_magic) != XFS_FIBT_CRC_MAGIC) { @@ -4468,19 +4514,34 @@ scanfunc_fino( rp = XFS_INOBT_REC_ADDR(mp, block, 1); for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { agino = be32_to_cpu(rp[i].ir_startino); - off = XFS_INO_TO_OFFSET(mp, agino); + agbno = XFS_AGINO_TO_AGBNO(mp, agino); + off = XFS_AGINO_TO_OFFSET(mp, agino); + end_agbno = agbno + mp->m_ialloc_blks; if (off == 0) { if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && mp->m_sb.sb_inoalignmt && (XFS_INO_TO_AGBNO(mp, agino) % mp->m_sb.sb_inoalignmt)) sbversion &= ~XFS_SB_VERSION_ALIGNBIT; - check_set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), - (xfs_extlen_t)MAX(1, - XFS_INODES_PER_CHUNK >> - mp->m_sb.sb_inopblog), - DBM_INODE, DBM_INODE, seqno, bno); } + + ioff = 0; + while (agbno < end_agbno && + ioff < XFS_INODES_PER_CHUNK) { + if (xfs_inobt_is_sparse_disk(&rp[i], ioff)) + goto next_buf; + + check_set_dbmap(seqno, agbno, + (xfs_extlen_t)MAX(1, + inodes_per_buf >> + mp->m_sb.sb_inopblog), + DBM_INODE, DBM_INODE, seqno, bno); + +next_buf: + agbno += blks_per_buf; + ioff += inodes_per_buf; + } + } return; } -- 2.5.5 From bfoster@redhat.com Mon Jun 20 11:52:49 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 96C227CB1 for ; Mon, 20 Jun 2016 11:52:49 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 49F1A304032 for ; Mon, 20 Jun 2016 09:52:46 -0700 (PDT) X-ASG-Debug-ID: 1466441564-04bdf01e171518b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id CpPrjtAlkThOPQr0 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 09:52:44 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1C80DC05FBD5 for ; Mon, 20 Jun 2016 16:52:44 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KGqhbr024837 for ; Mon, 20 Jun 2016 12:52:43 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 551511201C2; Mon, 20 Jun 2016 12:52:42 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH 1/2] Revert "xfs_db: make check work for sparse inodes" Date: Mon, 20 Jun 2016 12:52:41 -0400 X-ASG-Orig-Subj: [PATCH 1/2] Revert "xfs_db: make check work for sparse inodes" Message-Id: <1466441562-12317-2-git-send-email-bfoster@redhat.com> In-Reply-To: <1466441562-12317-1-git-send-email-bfoster@redhat.com> References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Mon, 20 Jun 2016 16:52:44 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466441564 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9147 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 This reverts commit bb2f98b78f20f4abbfbbd442162d9f535c84888a. Signed-off-by: Brian Foster --- db/check.c | 249 ++++++++++++------------------------------------------------- 1 file changed, 49 insertions(+), 200 deletions(-) diff --git a/db/check.c b/db/check.c index 0871ed7..750ecc1 100644 --- a/db/check.c +++ b/db/check.c @@ -4311,51 +4311,6 @@ scanfunc_cnt( scan_sbtree(agf, be32_to_cpu(pp[i]), level, 0, scanfunc_cnt, TYP_CNTBT); } -static bool -ino_issparse( - struct xfs_inobt_rec *rp, - int offset) -{ - if (!xfs_sb_version_hassparseinodes(&mp->m_sb)) - return false; - - return xfs_inobt_is_sparse_disk(rp, offset); -} - -static int -find_one_ino_bit( - __u16 mask, - int startino) -{ - int n; - int b; - - startino /= XFS_INODES_PER_HOLEMASK_BIT; - b = startino; - mask >>= startino; - for (n = startino; n < sizeof(mask) * NBBY && !(mask & 1); n++, mask >>= 1) - b++; - - return b * XFS_INODES_PER_HOLEMASK_BIT; -} - -static int -find_zero_ino_bit( - __u16 mask, - int startino) -{ - int n; - int b; - - startino /= XFS_INODES_PER_HOLEMASK_BIT; - b = startino; - mask >>= startino; - for (n = startino; n < sizeof(mask) * NBBY && (mask & 1); n++, mask >>= 1) - b++; - - return b * XFS_INODES_PER_HOLEMASK_BIT; -} - static void scanfunc_ino( struct xfs_btree_block *block, @@ -4373,13 +4328,6 @@ scanfunc_ino( int off; xfs_inobt_ptr_t *pp; xfs_inobt_rec_t *rp; - bool sparse, crc; - int inodes_per_chunk; - int freecount; - int startidx, endidx; - __u16 holemask; - xfs_agino_t rino; - xfs_extlen_t cblocks; if (be32_to_cpu(block->bb_magic) != XFS_IBT_MAGIC && be32_to_cpu(block->bb_magic) != XFS_IBT_CRC_MAGIC) { @@ -4407,111 +4355,59 @@ scanfunc_ino( return; } rp = XFS_INOBT_REC_ADDR(mp, block, 1); - sparse = xfs_sb_version_hassparseinodes(&mp->m_sb); - crc = xfs_sb_version_hascrc(&mp->m_sb); for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { - nfree = 0; - - /* First let's look at the inode chunk alignment */ agino = be32_to_cpu(rp[i].ir_startino); off = XFS_INO_TO_OFFSET(mp, agino); - if (off == 0 && - (sbversion & XFS_SB_VERSION_ALIGNBIT) && - mp->m_sb.sb_inoalignmt && - (XFS_INO_TO_AGBNO(mp, agino) % - mp->m_sb.sb_inoalignmt)) { - if (sparse || crc) { - dbprintf(_("incorrect record %u/%u " - "alignment in inobt block " - "%u/%u\n"), - seqno, agino, seqno, bno); - error++; - } else + if (off == 0) { + if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && + mp->m_sb.sb_inoalignmt && + (XFS_INO_TO_AGBNO(mp, agino) % + mp->m_sb.sb_inoalignmt)) sbversion &= ~XFS_SB_VERSION_ALIGNBIT; + set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), + (xfs_extlen_t)MAX(1, + XFS_INODES_PER_CHUNK >> + mp->m_sb.sb_inopblog), + DBM_INODE, seqno, bno); } - - /* Move on to examining the inode chunks */ - if (sparse) { - inodes_per_chunk = rp[i].ir_u.sp.ir_count; - freecount = rp[i].ir_u.sp.ir_freecount; - holemask = be16_to_cpu(rp[i].ir_u.sp.ir_holemask); - startidx = find_zero_ino_bit(holemask, 0); - } else { - inodes_per_chunk = XFS_INODES_PER_CHUNK; - freecount = be32_to_cpu(rp[i].ir_u.f.ir_freecount); - holemask = 0; - startidx = 0; - } - - /* For each allocated chunk, look at each inode. */ - endidx = find_one_ino_bit(holemask, startidx); - do { - rino = agino + startidx; - cblocks = (endidx - startidx) >> - mp->m_sb.sb_inopblog; - - /* Check the sparse chunk alignment */ - if (sparse && - (XFS_INO_TO_AGBNO(mp, rino) % - mp->m_sb.sb_spino_align)) { - dbprintf(_("incorrect chunk %u/%u " - "alignment in inobt block " + icount += XFS_INODES_PER_CHUNK; + agicount += XFS_INODES_PER_CHUNK; + ifree += be32_to_cpu(rp[i].ir_u.f.ir_freecount); + agifreecount += be32_to_cpu(rp[i].ir_u.f.ir_freecount); + push_cur(); + set_cur(&typtab[TYP_INODE], + XFS_AGB_TO_DADDR(mp, seqno, + XFS_AGINO_TO_AGBNO(mp, agino)), + (int)XFS_FSB_TO_BB(mp, mp->m_ialloc_blks), + DB_RING_IGN, NULL); + if (iocur_top->data == NULL) { + if (!sflag) + dbprintf(_("can't read inode block " "%u/%u\n"), - seqno, rino, seqno, bno); - error++; - } - - /* Check the block map */ - set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, rino), - cblocks, DBM_INODE, seqno, bno); - - push_cur(); - set_cur(&typtab[TYP_INODE], - XFS_AGB_TO_DADDR(mp, seqno, - XFS_AGINO_TO_AGBNO(mp, rino)), - (int)XFS_FSB_TO_BB(mp, cblocks), - DB_RING_IGN, NULL); - if (iocur_top->data == NULL) { - if (!sflag) - dbprintf(_("can't read inode block " - "%u/%u\n"), - seqno, - XFS_AGINO_TO_AGBNO(mp, agino)); - error++; - pop_cur(); - continue; - } - - /* Examine each inode in this chunk */ - for (j = startidx; j < endidx; j++) { - if (ino_issparse(&rp[i], j)) - continue; - isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], j); - if (isfree) - nfree++; - process_inode(agf, agino + j, - (xfs_dinode_t *)((char *)iocur_top->data + ((j - startidx) << mp->m_sb.sb_inodelog)), - isfree); - } + seqno, + XFS_AGINO_TO_AGBNO(mp, agino)); + error++; pop_cur(); - - startidx = find_zero_ino_bit(holemask, endidx); - endidx = find_one_ino_bit(holemask, startidx); - } while (endidx < XFS_INODES_PER_CHUNK); - icount += inodes_per_chunk; - agicount += inodes_per_chunk; - ifree += freecount; - agifreecount += freecount; - - if (nfree != freecount) { + continue; + } + for (j = 0, nfree = 0; j < XFS_INODES_PER_CHUNK; j++) { + isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], j); + if (isfree) + nfree++; + process_inode(agf, agino + j, + (xfs_dinode_t *)((char *)iocur_top->data + ((off + j) << mp->m_sb.sb_inodelog)), + isfree); + } + if (nfree != be32_to_cpu(rp[i].ir_u.f.ir_freecount)) { if (!sflag) dbprintf(_("ir_freecount/free mismatch, " "inode chunk %u/%u, freecount " "%d nfree %d\n"), seqno, agino, - freecount, nfree); + be32_to_cpu(rp[i].ir_u.f.ir_freecount), nfree); error++; } + pop_cur(); } return; } @@ -4543,11 +4439,6 @@ scanfunc_fino( int off; xfs_inobt_ptr_t *pp; struct xfs_inobt_rec *rp; - bool sparse, crc; - int startidx, endidx; - __u16 holemask; - xfs_agino_t rino; - xfs_extlen_t cblocks; if (be32_to_cpu(block->bb_magic) != XFS_FIBT_MAGIC && be32_to_cpu(block->bb_magic) != XFS_FIBT_CRC_MAGIC) { @@ -4575,63 +4466,21 @@ scanfunc_fino( return; } rp = XFS_INOBT_REC_ADDR(mp, block, 1); - sparse = xfs_sb_version_hassparseinodes(&mp->m_sb); - crc = xfs_sb_version_hascrc(&mp->m_sb); for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { - /* First let's look at the inode chunk alignment */ agino = be32_to_cpu(rp[i].ir_startino); off = XFS_INO_TO_OFFSET(mp, agino); - if (off == 0 && - (sbversion & XFS_SB_VERSION_ALIGNBIT) && - mp->m_sb.sb_inoalignmt && - (XFS_INO_TO_AGBNO(mp, agino) % - mp->m_sb.sb_inoalignmt)) { - if (sparse || crc) { - dbprintf(_("incorrect record %u/%u " - "alignment in finobt block " - "%u/%u\n"), - seqno, agino, seqno, bno); - error++; - } else + if (off == 0) { + if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && + mp->m_sb.sb_inoalignmt && + (XFS_INO_TO_AGBNO(mp, agino) % + mp->m_sb.sb_inoalignmt)) sbversion &= ~XFS_SB_VERSION_ALIGNBIT; + check_set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), + (xfs_extlen_t)MAX(1, + XFS_INODES_PER_CHUNK >> + mp->m_sb.sb_inopblog), + DBM_INODE, DBM_INODE, seqno, bno); } - - /* Move on to examining the inode chunks */ - if (sparse) { - holemask = be16_to_cpu(rp[i].ir_u.sp.ir_holemask); - startidx = find_zero_ino_bit(holemask, 0); - } else { - holemask = 0; - startidx = 0; - } - - /* For each allocated chunk... */ - endidx = find_one_ino_bit(holemask, startidx); - do { - rino = agino + startidx; - cblocks = (endidx - startidx) >> - mp->m_sb.sb_inopblog; - - /* Check the sparse chunk alignment */ - if (sparse && - (XFS_INO_TO_AGBNO(mp, rino) % - mp->m_sb.sb_spino_align)) { - dbprintf(_("incorrect chunk %u/%u " - "alignment in finobt block " - "%u/%u\n"), - seqno, rino, seqno, bno); - error++; - } - - /* Check the block map */ - check_set_dbmap(seqno, - XFS_AGINO_TO_AGBNO(mp, rino), - cblocks, DBM_INODE, DBM_INODE, - seqno, bno); - - startidx = find_zero_ino_bit(holemask, endidx); - endidx = find_one_ino_bit(holemask, startidx); - } while (endidx < XFS_INODES_PER_CHUNK); } return; } -- 2.5.5 From bfoster@redhat.com Mon Jun 20 12:12:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0D4577CA3 for ; Mon, 20 Jun 2016 12:12:08 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D38348F8040 for ; Mon, 20 Jun 2016 10:12:07 -0700 (PDT) X-ASG-Debug-ID: 1466442726-04cbb01fed12d890001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id nvE1DNysLEDmT9yn (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 10:12:06 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0C4B3DF203 for ; Mon, 20 Jun 2016 17:12:06 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KHC5VP028225 for ; Mon, 20 Jun 2016 13:12:05 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 40BE5123755; Mon, 20 Jun 2016 13:12:04 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v2 1/3] xfs: create helper to delete multiple inobt records Date: Mon, 20 Jun 2016 13:12:02 -0400 X-ASG-Orig-Subj: [PATCH v2 1/3] xfs: create helper to delete multiple inobt records Message-Id: <1466442724-13544-2-git-send-email-bfoster@redhat.com> In-Reply-To: <1466442724-13544-1-git-send-email-bfoster@redhat.com> References: <1466442724-13544-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Mon, 20 Jun 2016 17:12:06 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466442726 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3816 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 In most cases an inode chunk is tracked by a single inode record. With large block size support up to 64k, however, XFS supports conditions where a single block might be large enough to allocate an inode chunk that requires multiple inobt records. For example, an inode record is fixed at 64 inodes. With a 64k block size, a 512b inode size results in 128-inode chunks and thus requires 2 inobt records per-chunk. This is handled appropriately at inode allocation time via insertion of multiple inobt records to span the chunk. We currently have no mechanism to delete multiple records nor broader chunk context for a particular record at inode deletion time. Therefore, inode chunks on such filesystems are never freed and result in non-recoverable space consumption for the lifetime of the filesystem. Create the xfs_inobt_delete() helper to remove several inobt records at a time. Call the helper from the appropriate locations instead of xfs_btree_delete(). Note that we still do not have the requisite chunk context at inode deletion time to delete multiple records and therefore can still only delete records that map to full chunks. This patch does not alter current behavior but provides a mechanism to be used by future work that provides the appropriate chunk context. Signed-off-by: Brian Foster --- fs/xfs/libxfs/xfs_ialloc.c | 56 +++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 53 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 22297f9..67a4f3f 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -200,6 +200,53 @@ xfs_inobt_insert( } /* + * Delete a series of records from the inode btree. Handle multiple records as + * an inode chunk might consist of more than one record for large block sizes. + */ +static int +xfs_inobt_delete( + struct xfs_mount *mp, + struct xfs_btree_cur *cur, + xfs_agnumber_t agno, + xfs_agino_t agino, + int ilen) +{ + struct xfs_inobt_rec_incore rec; + int error; + int i; + + ASSERT(ilen % XFS_INODES_PER_CHUNK == 0); + + while (ilen > 0) { + error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_EQ, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + /* make sure the record is what we expect */ + error = xfs_inobt_get_rec(cur, &rec, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + XFS_WANT_CORRUPTED_GOTO(mp, rec.ir_startino == agino, + out_error); + + error = xfs_btree_delete(cur, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + agino += XFS_INODES_PER_CHUNK; + ilen -= XFS_INODES_PER_CHUNK; + } + + return 0; + +out_error: + return error; +} + +/* * Verify that the number of free inodes in the AGI is correct. */ #ifdef DEBUG @@ -1971,8 +2018,10 @@ xfs_difree_inobt( xfs_trans_mod_sb(tp, XFS_TRANS_SB_ICOUNT, -ilen); xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -(ilen - 1)); - if ((error = xfs_btree_delete(cur, &i))) { - xfs_warn(mp, "%s: xfs_btree_delete returned error %d.", + error = xfs_inobt_delete(mp, cur, agno, rec.ir_startino, + XFS_INODES_PER_CHUNK); + if (error) { + xfs_warn(mp, "%s: xfs_inobt_delete returned error %d.", __func__, error); goto error0; } @@ -2089,7 +2138,8 @@ xfs_difree_finobt( if (rec.ir_free == XFS_INOBT_ALL_FREE && mp->m_sb.sb_inopblock <= XFS_INODES_PER_CHUNK && !(mp->m_flags & XFS_MOUNT_IKEEP)) { - error = xfs_btree_delete(cur, &i); + error = xfs_inobt_delete(mp, cur, agno, rec.ir_startino, + XFS_INODES_PER_CHUNK); if (error) goto error; ASSERT(i == 1); -- 2.5.5 From bfoster@redhat.com Mon Jun 20 12:12:10 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A88AE7CAF for ; Mon, 20 Jun 2016 12:12:10 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 67FC98F8037 for ; Mon, 20 Jun 2016 10:12:07 -0700 (PDT) X-ASG-Debug-ID: 1466442725-04bdf01e13152410001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 9rIxVUgyCuoR5W3R (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 10:12:06 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C80332D2F0A for ; Mon, 20 Jun 2016 17:12:05 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KHC5UT007093 for ; Mon, 20 Jun 2016 13:12:05 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 1FB4F123469; Mon, 20 Jun 2016 13:12:04 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v2 0/3] xfs: support removal of multi-record inode chunks Date: Mon, 20 Jun 2016 13:12:01 -0400 X-ASG-Orig-Subj: [PATCH v2 0/3] xfs: support removal of multi-record inode chunks Message-Id: <1466442724-13544-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Mon, 20 Jun 2016 17:12:05 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466442726 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 962 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hi all, This is an old series I'm dusting off that helps extend XFS' typical dynamic inode chunk behavior to large block size filesystems. While XFS currently supports such large block sizes, we don't ever remove inode records on filesystems with a block size large enough such that a single block covers more than one inode chunk. This has been tested on ppc64 with a 64k block size and on other arches (x86-64, i386) with more standard 4k blocksize configurations. Brian v2: - Rebase to latest for-next. v1: http://oss.sgi.com/pipermail/xfs/2015-May/041814.html Brian Foster (3): xfs: create helper to delete multiple inobt records xfs: remove entire inode chunks when all inodes are free xfs: inobt record insert/delete tracepoints fs/xfs/libxfs/xfs_ialloc.c | 270 +++++++++++++++++++++++++++++++++++++++++---- fs/xfs/xfs_trace.h | 32 ++++++ 2 files changed, 281 insertions(+), 21 deletions(-) -- 2.5.5 From bfoster@redhat.com Mon Jun 20 12:12:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0E8747CB1 for ; Mon, 20 Jun 2016 12:12:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C3D35304048 for ; Mon, 20 Jun 2016 10:12:10 -0700 (PDT) X-ASG-Debug-ID: 1466442726-04cb6c5425ec7b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id p4pHsfo6gDQDmrp9 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 10:12:06 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0B0E9A1288 for ; Mon, 20 Jun 2016 17:12:06 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KHC5LA009623 for ; Mon, 20 Jun 2016 13:12:05 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 4D6DD123632; Mon, 20 Jun 2016 13:12:04 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v2 3/3] xfs: inobt record insert/delete tracepoints Date: Mon, 20 Jun 2016 13:12:04 -0400 X-ASG-Orig-Subj: [PATCH v2 3/3] xfs: inobt record insert/delete tracepoints Message-Id: <1466442724-13544-4-git-send-email-bfoster@redhat.com> In-Reply-To: <1466442724-13544-1-git-send-email-bfoster@redhat.com> References: <1466442724-13544-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Mon, 20 Jun 2016 17:12:06 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466442726 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3742 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add tracepoints for inobt record insert and delete. Be sure to distinguish between the inobt and finobt in the tracepoints as the record lifecycles differ between the trees. Signed-off-by: Brian Foster --- fs/xfs/libxfs/xfs_ialloc.c | 16 +++++++++++++--- fs/xfs/xfs_trace.h | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+), 3 deletions(-) diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index fdaeee8..114b020 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -186,6 +186,8 @@ xfs_inobt_insert( } ASSERT(i == 0); + trace_xfs_irec_insert(mp, btnum, agno, thisino, + XFS_INODES_PER_CHUNK); error = xfs_inobt_insert_rec(cur, XFS_INOBT_HOLEMASK_FULL, XFS_INODES_PER_CHUNK, XFS_INODES_PER_CHUNK, @@ -234,6 +236,8 @@ xfs_inobt_delete( XFS_WANT_CORRUPTED_GOTO(mp, rec.ir_startino == agino, out_error); + trace_xfs_irec_delete(mp, cur->bc_btnum, agno, rec.ir_startino, + rec.ir_count); error = xfs_btree_delete(cur, &i); if (error) goto out_error; @@ -729,6 +733,8 @@ xfs_inobt_insert_sprec( goto error; /* if nothing there, insert a new record and return */ if (i == 0) { + trace_xfs_irec_insert(mp, btnum, agno, nrec->ir_startino, + nrec->ir_count); error = xfs_inobt_insert_rec(cur, nrec->ir_holemask, nrec->ir_count, nrec->ir_freecount, nrec->ir_free, &i); @@ -1789,10 +1795,13 @@ xfs_dialloc_ag( */ rec.ir_free &= ~XFS_INOBT_MASK(offset); rec.ir_freecount--; - if (rec.ir_freecount) + if (rec.ir_freecount) { error = xfs_inobt_update(cur, &rec); - else + } else { + trace_xfs_irec_delete(mp, cur->bc_btnum, agno, rec.ir_startino, + rec.ir_count); error = xfs_btree_delete(cur, &i); + } if (error) goto error_cur; @@ -2261,7 +2270,8 @@ xfs_difree_finobt( * something is out of sync. */ XFS_WANT_CORRUPTED_GOTO(mp, ibtrec->ir_freecount == 1, error); - + trace_xfs_irec_insert(mp, cur->bc_btnum, agno, + ibtrec->ir_startino, ibtrec->ir_count); error = xfs_inobt_insert_rec(cur, ibtrec->ir_holemask, ibtrec->ir_count, ibtrec->ir_freecount, diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index ea94ee0..3e27cdc 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -786,6 +786,38 @@ TRACE_EVENT(xfs_irec_merge_post, __entry->holemask) ) +DECLARE_EVENT_CLASS(xfs_irec_class, + TP_PROTO(struct xfs_mount *mp, xfs_btnum_t btnum, xfs_agnumber_t agno, + xfs_agino_t agino, int count), + TP_ARGS(mp, btnum, agno, agino, count), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_btnum_t, btnum) + __field(xfs_agnumber_t, agno) + __field(xfs_agino_t, agino) + __field(int, count) + ), + TP_fast_assign( + __entry->dev = mp->m_super->s_dev; + __entry->btnum = btnum; + __entry->agno = agno; + __entry->agino = agino; + __entry->count = count; + ), + TP_printk("dev %d:%d %s agno %d agino 0x%x count %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->btnum == XFS_BTNUM_INOi ? "ibt" : "fibt", + __entry->agno, __entry->agino, __entry->count) +) + +#define DEFINE_IREC_EVENT(name) \ +DEFINE_EVENT(xfs_irec_class, name, \ + TP_PROTO(struct xfs_mount *mp, xfs_btnum_t btnum, xfs_agnumber_t agno, \ + xfs_agino_t agino, int count), \ + TP_ARGS(mp, btnum, agno, agino, count)) +DEFINE_IREC_EVENT(xfs_irec_insert); +DEFINE_IREC_EVENT(xfs_irec_delete); + #define DEFINE_IREF_EVENT(name) \ DEFINE_EVENT(xfs_iref_class, name, \ TP_PROTO(struct xfs_inode *ip, unsigned long caller_ip), \ -- 2.5.5 From bfoster@redhat.com Mon Jun 20 12:12:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7554F7CAF for ; Mon, 20 Jun 2016 12:12:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 49F118F8040 for ; Mon, 20 Jun 2016 10:12:11 -0700 (PDT) X-ASG-Debug-ID: 1466442726-04cb6c5426ec7b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id HlU6bcqxB2BA6xCt (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 10:12:06 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id ED12AD5715 for ; Mon, 20 Jun 2016 17:12:05 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-179.bos.redhat.com [10.18.41.179]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5KHC5UE030976 for ; Mon, 20 Jun 2016 13:12:05 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 3023D1201C2; Mon, 20 Jun 2016 13:12:04 -0400 (EDT) From: Brian Foster To: xfs@oss.sgi.com Subject: [PATCH v2 2/3] xfs: remove entire inode chunks when all inodes are free Date: Mon, 20 Jun 2016 13:12:03 -0400 X-ASG-Orig-Subj: [PATCH v2 2/3] xfs: remove entire inode chunks when all inodes are free Message-Id: <1466442724-13544-3-git-send-email-bfoster@redhat.com> In-Reply-To: <1466442724-13544-1-git-send-email-bfoster@redhat.com> References: <1466442724-13544-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 20 Jun 2016 17:12:05 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466442726 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10525 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Inode chunks are typically removed when the last allocated inode tracked by the inobt record is freed. However, this only occurs under circumstances where a chunk is tracked by a single inobt record because only the context for the single record is available at the time an inode is freed. Add infrastructure to detect whether the overall chunk that happens to own a particular inobt record is free. The xfs_inobt_ischunkfree() helper first considers the more likely single-record-per-chunk case to avoid unnecessary overhead. Otherwise, it uses the xfs_inobt_peek() low level helper to tally the total real and free inode count over a set of records that map to a chunk. If the entire chunk is free, the starting agino of the chunk is returned. We can remove multiple inobt records of a chunk now that chunk free state is available. Update the xfs_inobt_delete() callers to free an entire chunk at a time based on the variable inode allocation count in the mount structure. Note that this is safe from a transaction standpoint due to the same reasoning that multiple inode record insertion is safe from xfs_inobt_insert(). Specifically, the transaction reservation covers enough for a single bottom-to-top tree split or merge. We can safely insert or remove ~50% of an inobt leaf block's worth of records under this reservation and the maximum possible ratio of inode records to inode chunks is 4:1 (i.e., maximum 64k block size with minimum 256b inode size). Signed-off-by: Brian Foster --- fs/xfs/libxfs/xfs_ialloc.c | 206 ++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 187 insertions(+), 19 deletions(-) diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 67a4f3f..fdaeee8 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -40,6 +40,9 @@ #include "xfs_trace.h" #include "xfs_log.h" +STATIC int +xfs_ialloc_next_rec(struct xfs_btree_cur *, struct xfs_inobt_rec_incore *, + int *, int); /* * Allocation group level functions. @@ -247,6 +250,155 @@ out_error: } /* + * Peek forward in the provided inobt cursor and sum up the real and free inode + * counts. The returned count covers the range of [agino,agino+len). Absent + * records do not affect the count. + */ +static int +xfs_inobt_peek( + struct xfs_mount *mp, + struct xfs_btree_cur *cur, + xfs_agino_t agino, /* start agino */ + int ilen, /* range length */ + int *count, /* out: inode count */ + int *freecount) /* out: free count */ +{ + struct xfs_inobt_rec_incore rec; + xfs_agino_t agino_end; + int error; + int i; + + ASSERT(ilen % XFS_INODES_PER_CHUNK == 0); + agino_end = agino + ilen; + *count = *freecount = 0; + + /* + * Look up the first at or beyond the start of the range. Note that + * records for legitimate inode chunks might not exist if we're looking + * at the finobt. + */ + error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_GE, &i); + if (error) + goto out_error; + if (i == 0) + return 0; + + error = xfs_inobt_get_rec(cur, &rec, &i); + if (error) + goto out_error; + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, out_error); + + /* + * Sum the real and free inode counts across all records in the range. + */ + while (rec.ir_startino < agino_end) { + *count += rec.ir_count; + *freecount += rec.ir_freecount; + + error = xfs_ialloc_next_rec(cur, &rec, &i, 0); + if (error) + goto out_error; + if (i) /* done */ + break; + } + + return 0; + +out_error: + return error; +} + +/* + * Determine whether an inode chunk covered by a particular inobt record is + * free. This handles large block size cases where the inode chunk requires + * multiple inobt records by mapping from the inode offset of the first inode in + * the provided record to the record with inode offset 0 in the chunk. From + * there we determine whether each record in the chunk is completely free. + * + * An in-core record of the chunk to check is passed in rec. Any record that + * covers a portion of the chunk is suitable. The in-core record must be + * modified in advance if an inode is being freed. The expected free inode count + * for a free chunk is passed in icount. This is generally mp->m_ialloc_inos, + * but the caller must account for when an inode to be freed is not yet + * reflected as such in the inobt. + * + * If the chunk is free, the starting agino of the chunk is returned in + * freeagino. Otherwise, freeagino is set to NULLAGINO. + */ +static int +xfs_inobt_ischunkfree( + struct xfs_mount *mp, + struct xfs_btree_cur *ocur, + struct xfs_inobt_rec_incore *rec, + int icount,/* icount for free chunk */ + xfs_agino_t *freeagino)/* out: first free agino */ +{ + struct xfs_btree_cur *cur; + xfs_agino_t agino; + xfs_agblock_t agbno; + int count; + int freecount; + int error; + + ASSERT(icount <= mp->m_ialloc_inos); + + *freeagino = NULLAGINO; + + /* if the record isn't free, the chunk certainly isn't */ + if (rec->ir_free != XFS_INOBT_ALL_FREE) + return 0; + + /* + * The record is free so if the chunk corresponds to a single record, it + * is free as well. + */ + if (mp->m_ialloc_inos == XFS_INODES_PER_CHUNK) { + ASSERT(rec->ir_free == XFS_INOBT_ALL_FREE); + *freeagino = rec->ir_startino; + return 0; + } + + /* + * A chunk corresponds to multiple inobt records. This typically occurs + * for large block sizes where a single block of inodes requires + * multiple records. + * + * Get the record that is aligned to the start of the block and verify + * whether all inodes across the chunk are free. Dup the cursor so we + * don't affect the caller's inobt update operation in progress and sum + * the free inodes across the chunk. + */ + ASSERT(mp->m_ialloc_inos > XFS_INODES_PER_CHUNK); + error = xfs_btree_dup_cursor(ocur, &cur); + if (error) + return error; + + /* get the agblock and the inode at offset 0 */ + agbno = XFS_AGINO_TO_AGBNO(mp, rec->ir_startino); + agino = XFS_OFFBNO_TO_AGINO(mp, agbno, 0); + + error = xfs_inobt_peek(mp, cur, agino, mp->m_ialloc_inos, &count, + &freecount); + if (error) + goto out_cur; + + /* + * Check the free inode count against the count that indicates a free + * chunk. Sparse records are irrelevant in this context since this is a + * single block allocation. + */ + if (freecount == icount) + *freeagino = agino; + + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR); + return 0; + +out_cur: + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR); + return error; +} + +/* * Verify that the number of free inodes in the AGI is correct. */ #ifdef DEBUG @@ -1950,6 +2102,7 @@ xfs_difree_inobt( int error; int i; int off; + xfs_agino_t freeagino; ASSERT(agi->agi_magicnum == cpu_to_be32(XFS_AGI_MAGIC)); ASSERT(XFS_AGINO_TO_AGBNO(mp, agino) < be32_to_cpu(agi->agi_length)); @@ -1992,23 +2145,38 @@ xfs_difree_inobt( rec.ir_freecount++; /* - * When an inode chunk is free, it becomes eligible for removal. Don't - * remove the chunk if the block size is large enough for multiple inode - * chunks (that might not be free). + * An inode chunk becomes eligible for removal when it is free. Check + * whether this chunk is free while taking into consideration that the + * chunk might consist of multiple records. + * + * Note that the free chunk inode count parameter must account for the + * fact that this inode has not yet been freed in the inobt's... */ - if (!(mp->m_flags & XFS_MOUNT_IKEEP) && - rec.ir_free == XFS_INOBT_ALL_FREE && - mp->m_sb.sb_inopblock <= XFS_INODES_PER_CHUNK) { + error = xfs_inobt_ischunkfree(mp, cur, &rec, mp->m_ialloc_inos - 1, + &freeagino); + if (error) + goto error0; + + if (!(mp->m_flags & XFS_MOUNT_IKEEP) && freeagino != NULLAGINO) { xic->deleted = 1; - xic->first_ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino); + xic->first_ino = XFS_AGINO_TO_INO(mp, agno, freeagino); xic->alloc = xfs_inobt_irec_to_allocmask(&rec); /* + * Use the freecount if the record is sparse. Otherwise use the + * chunk inode allocation count as the chunk could be larger + * than a single record. + */ + if (xfs_inobt_issparse(rec.ir_holemask)) + ilen = rec.ir_freecount; + else + ilen = mp->m_ialloc_inos; + + /* * Remove the inode cluster from the AGI B+Tree, adjust the * AGI and Superblock inode counts, and mark the disk space * to be freed when the transaction is committed. */ - ilen = rec.ir_freecount; be32_add_cpu(&agi->agi_count, -ilen); be32_add_cpu(&agi->agi_freecount, -(ilen - 1)); xfs_ialloc_log_agi(tp, agbp, XFS_AGI_COUNT | XFS_AGI_FREECOUNT); @@ -2018,8 +2186,8 @@ xfs_difree_inobt( xfs_trans_mod_sb(tp, XFS_TRANS_SB_ICOUNT, -ilen); xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -(ilen - 1)); - error = xfs_inobt_delete(mp, cur, agno, rec.ir_startino, - XFS_INODES_PER_CHUNK); + error = xfs_inobt_delete(mp, cur, agno, freeagino, + mp->m_ialloc_inos); if (error) { xfs_warn(mp, "%s: xfs_inobt_delete returned error %d.", __func__, error); @@ -2079,6 +2247,7 @@ xfs_difree_finobt( int offset = agino - ibtrec->ir_startino; int error; int i; + xfs_agino_t freeagino; cur = xfs_inobt_init_cursor(mp, tp, agbp, agno, XFS_BTNUM_FINO); @@ -2130,16 +2299,15 @@ xfs_difree_finobt( * free inode. Hence, if all of the inodes are free and we aren't * keeping inode chunks permanently on disk, remove the record. * Otherwise, update the record with the new information. - * - * Note that we currently can't free chunks when the block size is large - * enough for multiple chunks. Leave the finobt record to remain in sync - * with the inobt. */ - if (rec.ir_free == XFS_INOBT_ALL_FREE && - mp->m_sb.sb_inopblock <= XFS_INODES_PER_CHUNK && - !(mp->m_flags & XFS_MOUNT_IKEEP)) { - error = xfs_inobt_delete(mp, cur, agno, rec.ir_startino, - XFS_INODES_PER_CHUNK); + error = xfs_inobt_ischunkfree(mp, cur, &rec, mp->m_ialloc_inos - 1, + &freeagino); + if (error) + goto error; + + if (!(mp->m_flags & XFS_MOUNT_IKEEP) && freeagino != NULLAGINO) { + error = xfs_inobt_delete(mp, cur, agno, freeagino, + mp->m_ialloc_inos); if (error) goto error; ASSERT(i == 1); -- 2.5.5 From darrick.wong@oracle.com Mon Jun 20 13:23:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9F8977CA3 for ; Mon, 20 Jun 2016 13:23:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 72978304032 for ; Mon, 20 Jun 2016 11:23:26 -0700 (PDT) X-ASG-Debug-ID: 1466447003-04cb6c5425eeab0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id X4adREbH9BB3pjrW (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 11:23:23 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5KINKQK030013 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 20 Jun 2016 18:23:20 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5KINJq5010625 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 20 Jun 2016 18:23:20 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5KINILP016810; Mon, 20 Jun 2016 18:23:19 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 20 Jun 2016 11:23:18 -0700 Date: Mon, 20 Jun 2016 11:23:16 -0700 From: "Darrick J. Wong" To: Brian Foster Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 011/119] xfs: refactor btree maxlevels computation Message-ID: <20160620182316.GA29055@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 011/119] xfs: refactor btree maxlevels computation References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612634260.12839.10495592169777117935.stgit@birch.djwong.org> <20160620143158.GB2465@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620143158.GB2465@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466447003 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4923 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30600 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Mon, Jun 20, 2016 at 10:31:59AM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:19:02PM -0700, Darrick J. Wong wrote: > > Create a common function to calculate the maximum height of a per-AG > > btree. This will eventually be used by the rmapbt and refcountbt code > > to calculate appropriate maxlevels values for each. This is important > > because the verifiers and the transaction block reservations depend on > > accurate estimates of many blocks are needed to satisfy a btree split. > > how many Got it, will change for the next posting. --D > > > > > We were mistakenly using the max bnobt height for all the btrees, > > which creates a dangerous situation since the larger records and keys > > in an rmapbt make it very possible that the rmapbt will be taller than > > the bnobt and so we can run out of transaction block reservation. > > > > Signed-off-by: Darrick J. Wong > > --- > > Reviewed-by: Brian Foster > > > fs/xfs/libxfs/xfs_alloc.c | 15 ++------------- > > fs/xfs/libxfs/xfs_btree.c | 19 +++++++++++++++++++ > > fs/xfs/libxfs/xfs_btree.h | 2 ++ > > fs/xfs/libxfs/xfs_ialloc.c | 19 +++++-------------- > > 4 files changed, 28 insertions(+), 27 deletions(-) > > > > > > diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c > > index 1c76a0e..c366889 100644 > > --- a/fs/xfs/libxfs/xfs_alloc.c > > +++ b/fs/xfs/libxfs/xfs_alloc.c > > @@ -1839,19 +1839,8 @@ void > > xfs_alloc_compute_maxlevels( > > xfs_mount_t *mp) /* file system mount structure */ > > { > > - int level; > > - uint maxblocks; > > - uint maxleafents; > > - int minleafrecs; > > - int minnoderecs; > > - > > - maxleafents = (mp->m_sb.sb_agblocks + 1) / 2; > > - minleafrecs = mp->m_alloc_mnr[0]; > > - minnoderecs = mp->m_alloc_mnr[1]; > > - maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; > > - for (level = 1; maxblocks > 1; level++) > > - maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; > > - mp->m_ag_maxlevels = level; > > + mp->m_ag_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_alloc_mnr, > > + (mp->m_sb.sb_agblocks + 1) / 2); > > } > > > > /* > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > index 5eb4e40..046fbcf 100644 > > --- a/fs/xfs/libxfs/xfs_btree.c > > +++ b/fs/xfs/libxfs/xfs_btree.c > > @@ -4158,6 +4158,25 @@ xfs_btree_sblock_verify( > > } > > > > /* > > + * Calculate the number of btree levels needed to store a given number of > > + * records in a short-format btree. > > + */ > > +uint > > +xfs_btree_compute_maxlevels( > > + struct xfs_mount *mp, > > + uint *limits, > > + unsigned long len) > > +{ > > + uint level; > > + unsigned long maxblocks; > > + > > + maxblocks = (len + limits[0] - 1) / limits[0]; > > + for (level = 1; maxblocks > 1; level++) > > + maxblocks = (maxblocks + limits[1] - 1) / limits[1]; > > + return level; > > +} > > + > > +/* > > * Calculate the number of blocks needed to store a given number of records > > * in a short-format (per-AG metadata) btree. > > */ > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > index b330f19..b955e5d 100644 > > --- a/fs/xfs/libxfs/xfs_btree.h > > +++ b/fs/xfs/libxfs/xfs_btree.h > > @@ -477,5 +477,7 @@ bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs); > > > > xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, > > unsigned long long len); > > +uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, > > + unsigned long len); > > > > #endif /* __XFS_BTREE_H__ */ > > diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c > > index 9d0003c..cda7269 100644 > > --- a/fs/xfs/libxfs/xfs_ialloc.c > > +++ b/fs/xfs/libxfs/xfs_ialloc.c > > @@ -2394,20 +2394,11 @@ void > > xfs_ialloc_compute_maxlevels( > > xfs_mount_t *mp) /* file system mount structure */ > > { > > - int level; > > - uint maxblocks; > > - uint maxleafents; > > - int minleafrecs; > > - int minnoderecs; > > - > > - maxleafents = (1LL << XFS_INO_AGINO_BITS(mp)) >> > > - XFS_INODES_PER_CHUNK_LOG; > > - minleafrecs = mp->m_inobt_mnr[0]; > > - minnoderecs = mp->m_inobt_mnr[1]; > > - maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs; > > - for (level = 1; maxblocks > 1; level++) > > - maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs; > > - mp->m_in_maxlevels = level; > > + uint inodes; > > + > > + inodes = (1LL << XFS_INO_AGINO_BITS(mp)) >> XFS_INODES_PER_CHUNK_LOG; > > + mp->m_in_maxlevels = xfs_btree_compute_maxlevels(mp, mp->m_inobt_mnr, > > + inodes); > > } > > > > /* > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From vishal.l.verma@intel.com Mon Jun 20 13:48:52 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9A0497CA1 for ; Mon, 20 Jun 2016 13:48:52 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5C32D8F8037 for ; Mon, 20 Jun 2016 11:48:49 -0700 (PDT) X-ASG-Debug-ID: 1466448528-04bdf01e15156aa0001-NocioJ Received: from mga11.intel.com ([192.55.52.93]) by cuda.sgi.com with ESMTP id n7ROS310f2nhu5Tb for ; Mon, 20 Jun 2016 11:48:48 -0700 (PDT) X-Barracuda-Envelope-From: vishal.l.verma@intel.com X-Barracuda-Effective-Source-IP: UNKNOWN[192.55.52.93] X-Barracuda-Apparent-Source-IP: 192.55.52.93 X-ASG-Whitelist: Client Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP; 20 Jun 2016 11:48:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,499,1459839600"; d="scan'208";a="722417695" Received: from omniknight.lm.intel.com ([10.232.112.171]) by FMSMGA003.fm.intel.com with ESMTP; 20 Jun 2016 11:48:47 -0700 Date: Mon, 20 Jun 2016 12:48:27 -0600 From: Vishal Verma To: linux-nvdimm@lists.01.org, xfs@oss.sgi.com Cc: Dave Chinner , Jan Kara , "Darrick J. Wong" Subject: Re: [RFC PATCH 0/2] Initial support for badblock checking in xfs Message-ID: <20160620184812.GA21878@omniknight.lm.intel.com> X-ASG-Orig-Subj: Re: [RFC PATCH 0/2] Initial support for badblock checking in xfs References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Barracuda-Connect: UNKNOWN[192.55.52.93] X-Barracuda-Start-Time: 1466448528 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3319 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On 06/16, Vishal Verma wrote: > These are early/RFC patches to add badblock support in xfs. > > Patch 1 should be relatively straightforward - it adds a notifier chain > to badblocks that filesystems can register with. > > Patch 2 is the beginnings of xfs support. So far, I have the notifier > registration and building the initial badblock list happening in > xfs_mountfs. The next steps (and I may need some help with this as I'm > no (x)fs developer :)) are to add this badblocks info to the reverse > mapping tree, and then to check for it before accessing the media. > > Right now, this just prints the sector numbers/counts/{added, removed} > to the kernel log, for both the initial list, and subsequent notifier > hits. > > While I've tested this with a fake pmem device using libnvdimm's > nfit_test framework, it should also work using badblock injection with > any block device: > > # mkfs.xfs -f /dev/ > # echo 122 1 > /sys/block//badblocks > # echo 124 1 > /sys/block//badblocks > # mount -t xfs /dev/ /mnt > ... in log: > [ +8.803776] XFS (pmem7): Mounting V4 Filesystem > [ +0.009633] XFS (pmem7): Ending clean mount > [ +0.001655] XFS (pmem7): got badblocks: sector 122, count 1 > [ +0.002018] XFS (pmem7): got badblocks: sector 124, count 1 > > # echo 132 5 | > /sys/block//badblocks > [Jun16 18:56] XFS (pmem7): xfs badblock added sector 132 (count 5) > > This is all based on Darrik's rmap work at: > https://github.com/djwong/linux/tree/rmap-reflink-devel > > Since this is based on a v4.5-rc kernel, it lacks pmem support for > clearing badblocks on zeroing/writing, so those parts can't easily > be tested yet. The clearing work is in 4.7-rs kernels, and once we > rebase to that, that should also be available. Just fyi, These patches should also cleanly apply to Darrick's for-next rebase: https://github.com/djwong/linux/tree/djwong-devel With this, I can now test badblock clearing also: $ cat /sys/block/pmem7/badblocks 122 1 124 1 126 1 128 1 $ sudo dd if=/dev/zero of=/dev/pmem7 bs=512 count=8 seek=120 oflag=direct 8+0 records in 8+0 records out 4096 bytes (4.1 kB) copied, 0.0206735 s, 198 kB/s [ +9.510106] nd_pmem namespace7.0: pmem_clear_poison: 78 clear 1 sector [ +0.001827] XFS (pmem7): xfs badblock cleared sector 120 (count 1) [ +0.002772] nd_pmem namespace7.0: pmem_clear_poison: 7a clear 1 sector [ +0.002527] XFS (pmem7): xfs badblock cleared sector 122 (count 1) [ +0.003004] nd_pmem namespace7.0: pmem_clear_poison: 7c clear 1 sector [ +0.002215] XFS (pmem7): xfs badblock cleared sector 124 (count 1) [ +0.003063] nd_pmem namespace7.0: pmem_clear_poison: 7e clear 1 sector [ +0.002307] XFS (pmem7): xfs badblock cleared sector 126 (count 1) > > > Vishal Verma (2): > block, badblocks: add a notifier for badblocks > xfs: initial/partial support for badblocks > > block/badblocks.c | 79 +++++++++++++++++++++++++++++++++-- > fs/xfs/xfs_linux.h | 1 + > fs/xfs/xfs_mount.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++ > fs/xfs/xfs_mount.h | 1 + > include/linux/badblocks.h | 19 +++++++++ > 5 files changed, 201 insertions(+), 3 deletions(-) > > -- > 2.5.5 > From darrick.wong@oracle.com Mon Jun 20 14:34:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E3E127CA1 for ; Mon, 20 Jun 2016 14:34:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id B7F93304039 for ; Mon, 20 Jun 2016 12:34:48 -0700 (PDT) X-ASG-Debug-ID: 1466451286-04cbb01fec1333f0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id UCeMnFPRWQAPg8ps (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 20 Jun 2016 12:34:47 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5KJYeZS013223 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 20 Jun 2016 19:34:41 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5KJYeab024971 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 20 Jun 2016 19:34:40 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5KJYY6f021613; Mon, 20 Jun 2016 19:34:39 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 20 Jun 2016 12:34:34 -0700 Date: Mon, 20 Jun 2016 12:34:32 -0700 From: "Darrick J. Wong" To: Brian Foster Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 010/119] xfs: create a standard btree size calculator code Message-ID: <20160620193432.GB29055@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 010/119] xfs: create a standard btree size calculator code References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612633632.12839.13314497569643567486.stgit@birch.djwong.org> <20160620143148.GA2465@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620143148.GA2465@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466451286 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3124 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30601 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Mon, Jun 20, 2016 at 10:31:49AM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:18:56PM -0700, Darrick J. Wong wrote: > > Create a helper to generate AG btree height calculator functions. > > This will be used (much) later when we get to the refcount btree. > > > > v2: Use a helper function instead of a macro. > > v3: We can (theoretically) store more than 2^32 records in a btree, so > > widen the fields to accept that. > > v4: Don't modify xfs_bmap_worst_indlen; the purpose of /that/ function > > is to estimate the worst-case number of blocks needed for a bmbt > > expansion, not to calculate the space required to store nr records. > > > > Signed-off-by: Darrick J. Wong > > --- > > I think this one should probably be pushed out to where it is used > (easier to review with an example imo). I don't see it used anywhere up > through the rmapbt stuff, anyways... Oh, heh, you're right. At one point I was using it for the rmapbt, but nowadays it's only used for per-AG reservations (reflink+rmap) as you point out, so it could move. > > > fs/xfs/libxfs/xfs_btree.c | 27 +++++++++++++++++++++++++++ > > fs/xfs/libxfs/xfs_btree.h | 3 +++ > > 2 files changed, 30 insertions(+) > > > > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > index 105979d..5eb4e40 100644 > > --- a/fs/xfs/libxfs/xfs_btree.c > > +++ b/fs/xfs/libxfs/xfs_btree.c > > @@ -4156,3 +4156,30 @@ xfs_btree_sblock_verify( > > > > return true; > > } > > + > > +/* > > + * Calculate the number of blocks needed to store a given number of records > > + * in a short-format (per-AG metadata) btree. > > + */ > > +xfs_extlen_t > > +xfs_btree_calc_size( > > + struct xfs_mount *mp, > > + uint *limits, > > + unsigned long long len) > > +{ > > + int level; > > + int maxrecs; > > + xfs_extlen_t rval; > > + > > + maxrecs = limits[0]; > > + for (level = 0, rval = 0; len > 0; level++) { > > len is unsigned, so len > 0 is kind of pointless. Perhaps check len > 1 > and kill the check in the loop? Yup. Thank you for pointing that out. --D > > Brian > > > + len += maxrecs - 1; > > + do_div(len, maxrecs); > > + rval += len; > > + if (len == 1) > > + return rval; > > + if (level == 0) > > + maxrecs = limits[1]; > > + } > > + return rval; > > +} > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > index 9a88839..b330f19 100644 > > --- a/fs/xfs/libxfs/xfs_btree.h > > +++ b/fs/xfs/libxfs/xfs_btree.h > > @@ -475,4 +475,7 @@ static inline int xfs_btree_get_level(struct xfs_btree_block *block) > > bool xfs_btree_sblock_v5hdr_verify(struct xfs_buf *bp); > > bool xfs_btree_sblock_verify(struct xfs_buf *bp, unsigned int max_recs); > > > > +xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, > > + unsigned long long len); > > + > > #endif /* __XFS_BTREE_H__ */ > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From david@fromorbit.com Mon Jun 20 18:19:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3C6F57CA0 for ; Mon, 20 Jun 2016 18:19:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id AB8A6AC004 for ; Mon, 20 Jun 2016 16:18:59 -0700 (PDT) X-ASG-Debug-ID: 1466464709-04cbb01fed13d610001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id jPCZPzcAwZGKqdDN for ; Mon, 20 Jun 2016 16:18:30 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CfEgDDeGhXEJgMLHlcgz6BU4Zvny8BAQEBAQEGjDiGBoQJhhEEAgKBME0BAQEBAQEHAQEBAQEBAQE+QIRLAQEBAwE6HCMQCAMYCSUPBSUDBxoTiCgHwVgBCyUehUGFFYobBZh2jiCPLEiPL4RWKjKKSAEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 21 Jun 2016 08:48:05 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bF8SC-0006vJ-I3; Tue, 21 Jun 2016 09:18:04 +1000 Date: Tue, 21 Jun 2016 09:18:04 +1000 From: Dave Chinner To: Felix Janda Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/4] Remove off64_t from linux.h Message-ID: <20160620231804.GK26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 1/4] Remove off64_t from linux.h References: <20160618145238.GA17768@nyan> <20160620020414.GH26977@dastard> <20160620065348.GA431@nyan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620065348.GA431@nyan> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466464709 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1656 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30610 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Mon, Jun 20, 2016 at 08:53:48AM +0200, Felix Janda wrote: > Dave Chinner wrote: > > Thanks for asking for clarification. > > > On Sat, Jun 18, 2016 at 04:52:38PM +0200, Felix Janda wrote: > > > The off64_t type is usually only conditionally exposed under the > > > feature test macro _LARGEFILE64_SOURCE (also defined by _GNU_SOURCE). > > > To make the public xfs headers more standalone therefore off64_t should > > > be avoided. > > > > "more standalone"? > > > > What does that mean? > > Programs including the xfs headers while not defining _GNU_SOURCE or > _LARGEFILE64_SOURCE will not fail with compile errors. My previous > patch changing loff_t to off64_t had the unintented consequences that > downstreams of xfs-progs like ceph had to define _LARGEFILE64_SOURCE > on linux. That needs to be in the patch description - it's the motivation for the change (i.e. that downstream apps need to add new defines). > > And what does it mean for all the xfsprogs code that still uses > > off64_t? > > off_t and off64_t are now synomyms and 64 bit on all architectures. > So no difference for code using off64_t. > > Under some conditions there can be a difference for code using > off_t. Right, I understand that there is a difference - what I'm asking for is a description of the difference and an explanation of why: $ git grep off64_t | wc -l 62 $ the other ~60 uses of off64_t in the xfsprogs code are not being removed, too. i.e. if the code now won't compile if off_t isn't 64 bits, then why keep off64_t at all in any of the code? Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Jun 20 19:47:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 266897CA4 for ; Mon, 20 Jun 2016 19:47:42 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 95821AC001 for ; Mon, 20 Jun 2016 17:47:38 -0700 (PDT) X-ASG-Debug-ID: 1466470053-04cbb01fed141b70001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id 2nBMjmLsVm8B1U7e for ; Mon, 20 Jun 2016 17:47:34 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2A2EgDkjWhXEJgMLHlUCIM+gVOGb58vAQEBAQEHjDiGBoQJhhEEAgKBNE0BAQEBAQEHAQEBAQEBAQE+QIRMAQEEOhwjEAgDDgoJJQ8FJQMHGhOIL8FQAQEIAiUehUGFFYE5gmWFfQWYdo4gjyyPd4JpgW0qMopIAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 21 Jun 2016 10:17:33 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bF9qm-00073m-1P; Tue, 21 Jun 2016 10:47:32 +1000 Date: Tue, 21 Jun 2016 10:47:32 +1000 From: Dave Chinner To: Christoph Hellwig Cc: "Darrick J. Wong" , linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 004/119] xfs: enable buffer deadlock postmortem diagnosis via ftrace Message-ID: <20160621004731.GL26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 004/119] xfs: enable buffer deadlock postmortem diagnosis via ftrace References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612629822.12839.7938642541078923297.stgit@birch.djwong.org> <20160617113423.GC19042@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617113423.GC19042@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466470053 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 847 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30612 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 17, 2016 at 04:34:23AM -0700, Christoph Hellwig wrote: > > diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c > > index efa2a73..2333db7 100644 > > --- a/fs/xfs/xfs_buf.c > > +++ b/fs/xfs/xfs_buf.c > > @@ -947,7 +947,8 @@ xfs_buf_trylock( > > if (locked) > > XB_SET_OWNER(bp); > > > > - trace_xfs_buf_trylock(bp, _RET_IP_); > > + locked ? trace_xfs_buf_trylock(bp, _RET_IP_) : > > + trace_xfs_buf_trylock_fail(bp, _RET_IP_); > > return locked; > > I think this should be something like: > > if (locked) { > XB_SET_OWNER(bp); > trace_xfs_buf_trylock(bp, _RET_IP_); > } else { > trace_xfs_buf_trylock_fail(bp, _RET_IP_); > } > > otherwise this looks good and can go in without the rest of the series. I'll fix that up on commit. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Jun 20 19:48:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id AC7CD7CA4 for ; Mon, 20 Jun 2016 19:48:34 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 48697AC001 for ; Mon, 20 Jun 2016 17:48:34 -0700 (PDT) X-ASG-Debug-ID: 1466470111-04bdf01e10163d30001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id QXwm5r1n2cuEgvuD for ; Mon, 20 Jun 2016 17:48:32 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2A2EgDkjWhXEJgMLHlcgz6BU4Zvny8BAQEBAQeMOIYGhAmGEQQCAoE0TQEBAQEBAQcBAQEBAQEBAT5AhEwBAQQnExwjEAgDDgoJJQ8FJQMHGhOIL8FQAQEIAiUehUGFFYE5iGIBBJh2jiCPLI93gmmBbSoyikgBAQE Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 21 Jun 2016 10:18:31 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bF9ri-00073x-JP; Tue, 21 Jun 2016 10:48:30 +1000 Date: Tue, 21 Jun 2016 10:48:30 +1000 From: Dave Chinner To: Christoph Hellwig Cc: "Darrick J. Wong" , linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 008/119] xfs: separate freelist fixing into a separate helper Message-ID: <20160621004830.GM26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 008/119] xfs: separate freelist fixing into a separate helper References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612632363.12839.15504324533944246285.stgit@birch.djwong.org> <20160617115204.GG19042@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617115204.GG19042@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466470111 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 992 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30613 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 17, 2016 at 04:52:04AM -0700, Christoph Hellwig wrote: > > +/* Ensure that the freelist is at full capacity. */ > > +int > > +xfs_free_extent_fix_freelist( > > + struct xfs_trans *tp, > > + xfs_agnumber_t agno, > > + struct xfs_buf **agbp) > > { > > - xfs_alloc_arg_t args; > > - int error; > > + xfs_alloc_arg_t args; > > Use struct xfs_alloc_arg if you change this anyway. > > > + int error; > > > > - ASSERT(len != 0); > > memset(&args, 0, sizeof(xfs_alloc_arg_t)); > > Same here. > > > - if (args.agbno + len > > > - be32_to_cpu(XFS_BUF_TO_AGF(args.agbp)->agf_length)) { > > - error = -EFSCORRUPTED; > > - goto error0; > > - } > > + XFS_WANT_CORRUPTED_GOTO(mp, > > + agbno + len <= be32_to_cpu(XFS_BUF_TO_AGF(agbp)->agf_length), > > + err); > > This introduces an overly long line. > > But except for these nitpicks this looks fine: I'll clean them up on commit. -Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Jun 20 19:57:20 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 7DB8D7CA7 for ; Mon, 20 Jun 2016 19:57:20 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 301A2304032 for ; Mon, 20 Jun 2016 17:57:17 -0700 (PDT) X-ASG-Debug-ID: 1466470634-04bdf01e101641d0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id I935urc9xf6yP5jy for ; Mon, 20 Jun 2016 17:57:14 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2A1EgA9kGhXEJgMLHlcgz6BU4Zvny8BAQEBAQeMOIYGhAmGEQQCAoE0TQEBAQEBAQcBAQEBAQEBAT5AhEwBAQQnExwjEAgDGAklDwUlAwcaE4gvwU8BAQgCJR6FQYQSgQOBOYhiBZh2iH6FIoFzhFKIZ493gmmBbSoyikgBAQE Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 21 Jun 2016 10:27:13 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFA08-00075J-Vk; Tue, 21 Jun 2016 10:57:13 +1000 Date: Tue, 21 Jun 2016 10:57:12 +1000 From: Dave Chinner To: "Darrick J. Wong" Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 009/119] xfs: convert list of extents to free into a regular list Message-ID: <20160621005712.GN26977@dastard> X-ASG-Orig-Subj: Re: [PATCH 009/119] xfs: convert list of extents to free into a regular list References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612632997.12839.18026491074892368053.stgit@birch.djwong.org> <20160617115930.GH19042@infradead.org> <20160618201509.GA5042@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160618201509.GA5042@birch.djwong.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466470634 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1714 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30614 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Sat, Jun 18, 2016 at 01:15:10PM -0700, Darrick J. Wong wrote: > On Fri, Jun 17, 2016 at 04:59:30AM -0700, Christoph Hellwig wrote: > > > { > > > + struct xfs_bmap_free_item *new; /* new element */ > > > #ifdef DEBUG > > > xfs_agnumber_t agno; > > > xfs_agblock_t agbno; > > > @@ -597,17 +595,7 @@ xfs_bmap_add_free( > > > new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP); > > > new->xbfi_startblock = bno; > > > new->xbfi_blockcount = (xfs_extlen_t)len; > > > + list_add(&new->xbfi_list, &flist->xbf_flist); > > > flist->xbf_count++; > > > > Please kill xbf_count while you're at it, it's entirely superflous. > > The deferred ops conversion patch kills this off by moving the whole > "defer an op to the next transaction by logging redo items" logic > into a separate file and mechanism. > > This patch is just a cleanup to reduce some of the open coded list ugliness > before starting on the rmap stuff. Once the deferred ops code lands, all > three of these functions go away. Ok, so because all these functions go away, I'll take this patch now without the suggested cleanups so that you don't have to rework it. .... > > > + list_sort((*tp)->t_mountp, &flist->xbf_flist, xfs_bmap_free_list_cmp); > > > > Can you add a comment on why we are sorting the list? > > We sort the list so that we process the freed extents in AG order to > avoid deadlocking. > > I'll add a comment to the deferred ops code if there isn't one already. This seems best - add the clean up to the later patches rather than have to rework lots of patches because of minor mods to early patches... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Mon Jun 20 20:41:19 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 147D87CA4 for ; Mon, 20 Jun 2016 20:41:19 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D87308F8037 for ; Mon, 20 Jun 2016 18:41:18 -0700 (PDT) X-ASG-Debug-ID: 1466473273-04cbb01fec143a40001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id or8xjhhfKL3TXHn8 for ; Mon, 20 Jun 2016 18:41:13 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DpEgCOmmhXEJgMLHlcgz6BU4Zvny8BAQEBAQeMOIYGhAmGEQICAQECgTRNAQEBAQEBBwEBAQEBAQEBPkCESwEBAQQ6HCMQCAMVAwklDwUlAwcaE4gvwUQBAQEBBgIBJB6FQYUVgTmGM4IvBZh2jiCBXY1Pj3eCaYFtKjKKSAEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 21 Jun 2016 11:10:40 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFAgA-00079o-1U; Tue, 21 Jun 2016 11:40:38 +1000 Date: Tue, 21 Jun 2016 11:40:38 +1000 From: Dave Chinner To: "Darrick J. Wong" Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 008/119] xfs: separate freelist fixing into a separate helper Message-ID: <20160621014037.GA27480@dastard> X-ASG-Orig-Subj: Re: [PATCH 008/119] xfs: separate freelist fixing into a separate helper References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612632363.12839.15504324533944246285.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612632363.12839.15504324533944246285.stgit@birch.djwong.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466473273 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 482 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30614 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 16, 2016 at 06:18:43PM -0700, Darrick J. Wong wrote: > From: Dave Chinner > > Break up xfs_free_extent() into a helper that fixes the freelist. > This helper will be used subsequently to ensure the freelist during > deferred rmap processing. > > Signed-off-by: Dave Chinner Just noticed - should be from/sob dchinner@redhat.com. I'll fix this up, too. Cheers, Dave. -- Dave Chinner david@fromorbit.com From cmaiolino@redhat.com Tue Jun 21 04:02:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E553E7CA1 for ; Tue, 21 Jun 2016 04:02:05 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5106AAC001 for ; Tue, 21 Jun 2016 02:02:05 -0700 (PDT) X-ASG-Debug-ID: 1466499719-04cb6c542610b3d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id HLJUkFCeUn04wmkX (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 21 Jun 2016 02:02:00 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9301473059 for ; Tue, 21 Jun 2016 09:01:59 +0000 (UTC) Received: from redhat.com (vpn-60-35.rdu2.redhat.com [10.10.60.35]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5L91s3h015473 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 21 Jun 2016 05:01:57 -0400 Date: Tue, 21 Jun 2016 11:01:53 +0200 From: Carlos Maiolino To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Message-ID: <20160621090153.GB28212@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Mail-Followup-To: Brian Foster , xfs@oss.sgi.com References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> <1466441562-12317-3-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466441562-12317-3-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 21 Jun 2016 09:01:59 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466499720 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8036 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Jun 20, 2016 at 12:52:42PM -0400, Brian Foster wrote: > Update the inode btree scanning functions to process sparse inode chunks > correctly. For filesystems with sparse inode support enabled, process > each chunk a cluster at a time. Each cluster is checked against the > inobt record to determine if it is a hole and skipped if so. > > Note that since xfs_check is deprecated in favor of xfs_repair, this > adds the minimum support necessary to process sparse inode enabled > filesystems. In other words, this adds no sparse inode specific checks > or verifications. We only update the inobt scanning functions to extend > the existing level of verification to sparse inode enabled filesystems > (e.g., avoid incorrectly tracking sparse regions as inodes). Problems > or corruptions associated with sparse inode records must be detected and > recovered via xfs_repair. > Hi, I'm not quite sure, but a while ago, I thought I've heard some rumors about deprecating xfs_check, is this true or something that my mind made up for some weird reason? > Signed-off-by: Brian Foster > --- > db/check.c | 143 +++++++++++++++++++++++++++++++++++++++++++------------------ > 1 file changed, 102 insertions(+), 41 deletions(-) > > diff --git a/db/check.c b/db/check.c > index 750ecc1..25146e5 100644 > --- a/db/check.c > +++ b/db/check.c > @@ -4324,10 +4324,24 @@ scanfunc_ino( > int i; > int isfree; > int j; > + int freecount; > int nfree; > int off; > xfs_inobt_ptr_t *pp; > xfs_inobt_rec_t *rp; > + xfs_agblock_t agbno; > + xfs_agblock_t end_agbno; > + struct xfs_dinode *dip; > + int blks_per_buf; > + int inodes_per_buf; > + int ioff; > + > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > + blks_per_buf = xfs_icluster_size_fsb(mp); > + else > + blks_per_buf = mp->m_ialloc_blks; > + inodes_per_buf = min(blks_per_buf << mp->m_sb.sb_inopblog, > + XFS_INODES_PER_CHUNK); > > if (be32_to_cpu(block->bb_magic) != XFS_IBT_MAGIC && > be32_to_cpu(block->bb_magic) != XFS_IBT_CRC_MAGIC) { > @@ -4357,54 +4371,74 @@ scanfunc_ino( > rp = XFS_INOBT_REC_ADDR(mp, block, 1); > for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { > agino = be32_to_cpu(rp[i].ir_startino); > - off = XFS_INO_TO_OFFSET(mp, agino); > + agbno = XFS_AGINO_TO_AGBNO(mp, agino); > + off = XFS_AGINO_TO_OFFSET(mp, agino); > + end_agbno = agbno + mp->m_ialloc_blks; > if (off == 0) { > if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && > mp->m_sb.sb_inoalignmt && > (XFS_INO_TO_AGBNO(mp, agino) % > mp->m_sb.sb_inoalignmt)) > sbversion &= ~XFS_SB_VERSION_ALIGNBIT; > - set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), > - (xfs_extlen_t)MAX(1, > - XFS_INODES_PER_CHUNK >> > - mp->m_sb.sb_inopblog), > - DBM_INODE, seqno, bno); > } > - icount += XFS_INODES_PER_CHUNK; > - agicount += XFS_INODES_PER_CHUNK; > - ifree += be32_to_cpu(rp[i].ir_u.f.ir_freecount); > - agifreecount += be32_to_cpu(rp[i].ir_u.f.ir_freecount); > + > push_cur(); > - set_cur(&typtab[TYP_INODE], > - XFS_AGB_TO_DADDR(mp, seqno, > - XFS_AGINO_TO_AGBNO(mp, agino)), > - (int)XFS_FSB_TO_BB(mp, mp->m_ialloc_blks), > - DB_RING_IGN, NULL); > - if (iocur_top->data == NULL) { > - if (!sflag) > - dbprintf(_("can't read inode block " > - "%u/%u\n"), > - seqno, > - XFS_AGINO_TO_AGBNO(mp, agino)); > - error++; > - pop_cur(); > - continue; > - } > - for (j = 0, nfree = 0; j < XFS_INODES_PER_CHUNK; j++) { > - isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], j); > - if (isfree) > - nfree++; > - process_inode(agf, agino + j, > - (xfs_dinode_t *)((char *)iocur_top->data + ((off + j) << mp->m_sb.sb_inodelog)), > - isfree); > + > + ioff = 0; > + nfree = 0; > + while (agbno < end_agbno && > + ioff < XFS_INODES_PER_CHUNK) { > + if (xfs_inobt_is_sparse_disk(&rp[i], ioff)) > + goto next_buf; > + > + if (off < XFS_INODES_PER_CHUNK) > + set_dbmap(seqno, agbno, blks_per_buf, > + DBM_INODE, seqno, bno); > + > + icount += inodes_per_buf; > + agicount += inodes_per_buf; > + > + set_cur(&typtab[TYP_INODE], > + XFS_AGB_TO_DADDR(mp, seqno, agbno), > + XFS_FSB_TO_BB(mp, blks_per_buf), > + DB_RING_IGN, NULL); > + if (iocur_top->data == NULL) { > + if (!sflag) > + dbprintf(_("can't read inode block " > + "%u/%u\n"), seqno, > + agbno); > + error++; > + goto next_buf; > + } > + > + for (j = 0; j < inodes_per_buf; j++) { > + isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], ioff + j); > + if (isfree) > + nfree++; > + dip = (xfs_dinode_t *)((char *)iocur_top->data + > + ((off + j) << mp->m_sb.sb_inodelog)); > + process_inode(agf, agino + ioff + j, dip, isfree); > + } > + > +next_buf: > + agbno += blks_per_buf; > + ioff += inodes_per_buf; > } > - if (nfree != be32_to_cpu(rp[i].ir_u.f.ir_freecount)) { > + > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > + freecount = rp[i].ir_u.sp.ir_freecount; > + else > + freecount = be32_to_cpu(rp[i].ir_u.f.ir_freecount); > + > + ifree += freecount; > + agifreecount += freecount; > + > + if (nfree != freecount) { > if (!sflag) > dbprintf(_("ir_freecount/free mismatch, " > "inode chunk %u/%u, freecount " > "%d nfree %d\n"), > - seqno, agino, > - be32_to_cpu(rp[i].ir_u.f.ir_freecount), nfree); > + seqno, agino, freecount, nfree); > error++; > } > pop_cur(); > @@ -4439,6 +4473,18 @@ scanfunc_fino( > int off; > xfs_inobt_ptr_t *pp; > struct xfs_inobt_rec *rp; > + xfs_agblock_t agbno; > + xfs_agblock_t end_agbno; > + int blks_per_buf; > + int inodes_per_buf; > + int ioff; > + > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > + blks_per_buf = xfs_icluster_size_fsb(mp); > + else > + blks_per_buf = mp->m_ialloc_blks; > + inodes_per_buf = min(blks_per_buf << mp->m_sb.sb_inopblog, > + XFS_INODES_PER_CHUNK); > > if (be32_to_cpu(block->bb_magic) != XFS_FIBT_MAGIC && > be32_to_cpu(block->bb_magic) != XFS_FIBT_CRC_MAGIC) { > @@ -4468,19 +4514,34 @@ scanfunc_fino( > rp = XFS_INOBT_REC_ADDR(mp, block, 1); > for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { > agino = be32_to_cpu(rp[i].ir_startino); > - off = XFS_INO_TO_OFFSET(mp, agino); > + agbno = XFS_AGINO_TO_AGBNO(mp, agino); > + off = XFS_AGINO_TO_OFFSET(mp, agino); > + end_agbno = agbno + mp->m_ialloc_blks; > if (off == 0) { > if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && > mp->m_sb.sb_inoalignmt && > (XFS_INO_TO_AGBNO(mp, agino) % > mp->m_sb.sb_inoalignmt)) > sbversion &= ~XFS_SB_VERSION_ALIGNBIT; > - check_set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), > - (xfs_extlen_t)MAX(1, > - XFS_INODES_PER_CHUNK >> > - mp->m_sb.sb_inopblog), > - DBM_INODE, DBM_INODE, seqno, bno); > } > + > + ioff = 0; > + while (agbno < end_agbno && > + ioff < XFS_INODES_PER_CHUNK) { > + if (xfs_inobt_is_sparse_disk(&rp[i], ioff)) > + goto next_buf; > + > + check_set_dbmap(seqno, agbno, > + (xfs_extlen_t)MAX(1, > + inodes_per_buf >> > + mp->m_sb.sb_inopblog), > + DBM_INODE, DBM_INODE, seqno, bno); > + > +next_buf: > + agbno += blks_per_buf; > + ioff += inodes_per_buf; > + } > + > } > return; > } > -- > 2.5.5 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From bfoster@redhat.com Tue Jun 21 05:48:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E736E7CA4 for ; Tue, 21 Jun 2016 05:48:22 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id B90AC304039 for ; Tue, 21 Jun 2016 03:48:19 -0700 (PDT) X-ASG-Debug-ID: 1466506097-04cb6c542410ed40001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id HQ13buoEbFn4doAu (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 21 Jun 2016 03:48:18 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 68569D2EC9 for ; Tue, 21 Jun 2016 10:48:17 +0000 (UTC) Received: from laptop.bfoster (dhcp-41-198.bos.redhat.com [10.18.41.198]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5LAmF6h019730 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 21 Jun 2016 06:48:17 -0400 Date: Tue, 21 Jun 2016 06:48:15 -0400 From: Brian Foster To: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Message-ID: <20160621104815.GA3108@laptop.bfoster> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> <1466441562-12317-3-git-send-email-bfoster@redhat.com> <20160621090153.GB28212@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160621090153.GB28212@redhat.com> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 21 Jun 2016 10:48:17 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466506098 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9026 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Jun 21, 2016 at 11:01:53AM +0200, Carlos Maiolino wrote: > On Mon, Jun 20, 2016 at 12:52:42PM -0400, Brian Foster wrote: > > Update the inode btree scanning functions to process sparse inode chunks > > correctly. For filesystems with sparse inode support enabled, process > > each chunk a cluster at a time. Each cluster is checked against the > > inobt record to determine if it is a hole and skipped if so. > > > > Note that since xfs_check is deprecated in favor of xfs_repair, this > > adds the minimum support necessary to process sparse inode enabled > > filesystems. In other words, this adds no sparse inode specific checks > > or verifications. We only update the inobt scanning functions to extend > > the existing level of verification to sparse inode enabled filesystems > > (e.g., avoid incorrectly tracking sparse regions as inodes). Problems > > or corruptions associated with sparse inode records must be detected and > > recovered via xfs_repair. > > > > Hi, > > I'm not quite sure, but a while ago, I thought I've heard some rumors about > deprecating xfs_check, is this true or something that my mind made up for some > weird reason? > I actually thought it already was. :) xfstests still runs check in certain cases, however, and these patches just fix a regression. Personally, I'd be fine with just dumping an "fs has sparse inodes, use repair" message from xfs_check, but the basic sparse inode support had already been added. Brian > > > Signed-off-by: Brian Foster > > --- > > db/check.c | 143 +++++++++++++++++++++++++++++++++++++++++++------------------ > > 1 file changed, 102 insertions(+), 41 deletions(-) > > > > diff --git a/db/check.c b/db/check.c > > index 750ecc1..25146e5 100644 > > --- a/db/check.c > > +++ b/db/check.c > > @@ -4324,10 +4324,24 @@ scanfunc_ino( > > int i; > > int isfree; > > int j; > > + int freecount; > > int nfree; > > int off; > > xfs_inobt_ptr_t *pp; > > xfs_inobt_rec_t *rp; > > + xfs_agblock_t agbno; > > + xfs_agblock_t end_agbno; > > + struct xfs_dinode *dip; > > + int blks_per_buf; > > + int inodes_per_buf; > > + int ioff; > > + > > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > > + blks_per_buf = xfs_icluster_size_fsb(mp); > > + else > > + blks_per_buf = mp->m_ialloc_blks; > > + inodes_per_buf = min(blks_per_buf << mp->m_sb.sb_inopblog, > > + XFS_INODES_PER_CHUNK); > > > > if (be32_to_cpu(block->bb_magic) != XFS_IBT_MAGIC && > > be32_to_cpu(block->bb_magic) != XFS_IBT_CRC_MAGIC) { > > @@ -4357,54 +4371,74 @@ scanfunc_ino( > > rp = XFS_INOBT_REC_ADDR(mp, block, 1); > > for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { > > agino = be32_to_cpu(rp[i].ir_startino); > > - off = XFS_INO_TO_OFFSET(mp, agino); > > + agbno = XFS_AGINO_TO_AGBNO(mp, agino); > > + off = XFS_AGINO_TO_OFFSET(mp, agino); > > + end_agbno = agbno + mp->m_ialloc_blks; > > if (off == 0) { > > if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && > > mp->m_sb.sb_inoalignmt && > > (XFS_INO_TO_AGBNO(mp, agino) % > > mp->m_sb.sb_inoalignmt)) > > sbversion &= ~XFS_SB_VERSION_ALIGNBIT; > > - set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), > > - (xfs_extlen_t)MAX(1, > > - XFS_INODES_PER_CHUNK >> > > - mp->m_sb.sb_inopblog), > > - DBM_INODE, seqno, bno); > > } > > - icount += XFS_INODES_PER_CHUNK; > > - agicount += XFS_INODES_PER_CHUNK; > > - ifree += be32_to_cpu(rp[i].ir_u.f.ir_freecount); > > - agifreecount += be32_to_cpu(rp[i].ir_u.f.ir_freecount); > > + > > push_cur(); > > - set_cur(&typtab[TYP_INODE], > > - XFS_AGB_TO_DADDR(mp, seqno, > > - XFS_AGINO_TO_AGBNO(mp, agino)), > > - (int)XFS_FSB_TO_BB(mp, mp->m_ialloc_blks), > > - DB_RING_IGN, NULL); > > - if (iocur_top->data == NULL) { > > - if (!sflag) > > - dbprintf(_("can't read inode block " > > - "%u/%u\n"), > > - seqno, > > - XFS_AGINO_TO_AGBNO(mp, agino)); > > - error++; > > - pop_cur(); > > - continue; > > - } > > - for (j = 0, nfree = 0; j < XFS_INODES_PER_CHUNK; j++) { > > - isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], j); > > - if (isfree) > > - nfree++; > > - process_inode(agf, agino + j, > > - (xfs_dinode_t *)((char *)iocur_top->data + ((off + j) << mp->m_sb.sb_inodelog)), > > - isfree); > > + > > + ioff = 0; > > + nfree = 0; > > + while (agbno < end_agbno && > > + ioff < XFS_INODES_PER_CHUNK) { > > + if (xfs_inobt_is_sparse_disk(&rp[i], ioff)) > > + goto next_buf; > > + > > + if (off < XFS_INODES_PER_CHUNK) > > + set_dbmap(seqno, agbno, blks_per_buf, > > + DBM_INODE, seqno, bno); > > + > > + icount += inodes_per_buf; > > + agicount += inodes_per_buf; > > + > > + set_cur(&typtab[TYP_INODE], > > + XFS_AGB_TO_DADDR(mp, seqno, agbno), > > + XFS_FSB_TO_BB(mp, blks_per_buf), > > + DB_RING_IGN, NULL); > > + if (iocur_top->data == NULL) { > > + if (!sflag) > > + dbprintf(_("can't read inode block " > > + "%u/%u\n"), seqno, > > + agbno); > > + error++; > > + goto next_buf; > > + } > > + > > + for (j = 0; j < inodes_per_buf; j++) { > > + isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], ioff + j); > > + if (isfree) > > + nfree++; > > + dip = (xfs_dinode_t *)((char *)iocur_top->data + > > + ((off + j) << mp->m_sb.sb_inodelog)); > > + process_inode(agf, agino + ioff + j, dip, isfree); > > + } > > + > > +next_buf: > > + agbno += blks_per_buf; > > + ioff += inodes_per_buf; > > } > > - if (nfree != be32_to_cpu(rp[i].ir_u.f.ir_freecount)) { > > + > > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > > + freecount = rp[i].ir_u.sp.ir_freecount; > > + else > > + freecount = be32_to_cpu(rp[i].ir_u.f.ir_freecount); > > + > > + ifree += freecount; > > + agifreecount += freecount; > > + > > + if (nfree != freecount) { > > if (!sflag) > > dbprintf(_("ir_freecount/free mismatch, " > > "inode chunk %u/%u, freecount " > > "%d nfree %d\n"), > > - seqno, agino, > > - be32_to_cpu(rp[i].ir_u.f.ir_freecount), nfree); > > + seqno, agino, freecount, nfree); > > error++; > > } > > pop_cur(); > > @@ -4439,6 +4473,18 @@ scanfunc_fino( > > int off; > > xfs_inobt_ptr_t *pp; > > struct xfs_inobt_rec *rp; > > + xfs_agblock_t agbno; > > + xfs_agblock_t end_agbno; > > + int blks_per_buf; > > + int inodes_per_buf; > > + int ioff; > > + > > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > > + blks_per_buf = xfs_icluster_size_fsb(mp); > > + else > > + blks_per_buf = mp->m_ialloc_blks; > > + inodes_per_buf = min(blks_per_buf << mp->m_sb.sb_inopblog, > > + XFS_INODES_PER_CHUNK); > > > > if (be32_to_cpu(block->bb_magic) != XFS_FIBT_MAGIC && > > be32_to_cpu(block->bb_magic) != XFS_FIBT_CRC_MAGIC) { > > @@ -4468,19 +4514,34 @@ scanfunc_fino( > > rp = XFS_INOBT_REC_ADDR(mp, block, 1); > > for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { > > agino = be32_to_cpu(rp[i].ir_startino); > > - off = XFS_INO_TO_OFFSET(mp, agino); > > + agbno = XFS_AGINO_TO_AGBNO(mp, agino); > > + off = XFS_AGINO_TO_OFFSET(mp, agino); > > + end_agbno = agbno + mp->m_ialloc_blks; > > if (off == 0) { > > if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && > > mp->m_sb.sb_inoalignmt && > > (XFS_INO_TO_AGBNO(mp, agino) % > > mp->m_sb.sb_inoalignmt)) > > sbversion &= ~XFS_SB_VERSION_ALIGNBIT; > > - check_set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), > > - (xfs_extlen_t)MAX(1, > > - XFS_INODES_PER_CHUNK >> > > - mp->m_sb.sb_inopblog), > > - DBM_INODE, DBM_INODE, seqno, bno); > > } > > + > > + ioff = 0; > > + while (agbno < end_agbno && > > + ioff < XFS_INODES_PER_CHUNK) { > > + if (xfs_inobt_is_sparse_disk(&rp[i], ioff)) > > + goto next_buf; > > + > > + check_set_dbmap(seqno, agbno, > > + (xfs_extlen_t)MAX(1, > > + inodes_per_buf >> > > + mp->m_sb.sb_inopblog), > > + DBM_INODE, DBM_INODE, seqno, bno); > > + > > +next_buf: > > + agbno += blks_per_buf; > > + ioff += inodes_per_buf; > > + } > > + > > } > > return; > > } > > -- > > 2.5.5 > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs > > -- > Carlos > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From eguan@redhat.com Tue Jun 21 07:02:59 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 926817CA1 for ; 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Tue, 21 Jun 2016 08:02:54 -0400 From: Eryu Guan To: fstests@vger.kernel.org Cc: xfs@oss.sgi.com, Eryu Guan Subject: [PATCH] xfs/186: run test on expected XFS configuration Date: Tue, 21 Jun 2016 20:01:47 +0800 X-ASG-Orig-Subj: [PATCH] xfs/186: run test on expected XFS configuration Message-Id: <1466510507-17548-1-git-send-email-eguan@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 21 Jun 2016 12:02:54 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466510575 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1902 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Usually xfs/186 _notrun on crc enabled XFS because of _require_attr_v1, since v2 attr format is always enabled on v5 XFS. But when testing on 512B block size XFS, i.e. MKFS_OPTIONS="-m crc=0 -b size=512", test fails. This is because crc enalbed XFS was created in the end, not 512B block size XFS with crc disabled, and that's not what we want to test. The reason why _scratch_mkfs_xfs creates a different XFS than expected is that, it may ignore $MKFS_OPTIONS if mkfs fails due to conflicts between $MKFS_OPTIONS and the provided mkfs options. In the case of xfs/186, "-b size=512" conflicts with "-i size=512", and the first mkfs fails, then it ends up with a 4k block size XFS with crc enabled (the default config). Fix it by checking crc enablement status and attr version in the test, to make sure it's testing on expected XFS. Signed-off-by: Eryu Guan --- tests/xfs/186 | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/tests/xfs/186 b/tests/xfs/186 index 9b64d6c..192a8c8 100755 --- a/tests/xfs/186 +++ b/tests/xfs/186 @@ -156,7 +156,20 @@ _require_attr_v1 rm -f $seqres.full -_scratch_mkfs -i attr=2,size=512 -l lazy-count=1 >/dev/null 2>&1 +_scratch_mkfs -i attr=2,size=512 -l lazy-count=1 | _filter_mkfs \ + >>$seqres.full 2>$tmp.mkfs +# import crc status and attr version +. $tmp.mkfs + +# _scratch_mkfs may ignore $MKFS_OPTIONS if mkfs fails due to conflicts between +# $MKFS_OPTIONS and the provided mkfs options, which could result in creating +# an XFS we don't want. Check crc status and attr version to be sure. +if [ $_fs_has_crcs -eq 1 ]; then + _notrun "attr v1 not supported on $SCRATCH_DEV" +fi +if [ $attr -ne 2 ]; then + _notrun "need attr v2 on $SCRATCH_DEV" +fi # set inum to root dir ino # we'll add in dirents and EAs into the root directory -- 2.5.5 From cmaiolino@redhat.com Tue Jun 21 07:05:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 914A47CA1 for ; Tue, 21 Jun 2016 07:05:22 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5CB5B8F804C for ; Tue, 21 Jun 2016 05:05:22 -0700 (PDT) X-ASG-Debug-ID: 1466510718-04cb6c5426110d80001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id JdCnrZGl7NF0M6Y4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 21 Jun 2016 05:05:19 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id ABBB163312 for ; Tue, 21 Jun 2016 12:05:18 +0000 (UTC) Received: from redhat.com (vpn-60-35.rdu2.redhat.com [10.10.60.35]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5LC5DOP026878 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 21 Jun 2016 08:05:17 -0400 Date: Tue, 21 Jun 2016 14:05:13 +0200 From: Carlos Maiolino To: Brian Foster Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Message-ID: <20160621120513.GD28212@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Mail-Followup-To: Brian Foster , xfs@oss.sgi.com References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> <1466441562-12317-3-git-send-email-bfoster@redhat.com> <20160621090153.GB28212@redhat.com> <20160621104815.GA3108@laptop.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160621104815.GA3108@laptop.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 21 Jun 2016 12:05:18 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466510719 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9880 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Jun 21, 2016 at 06:48:15AM -0400, Brian Foster wrote: > On Tue, Jun 21, 2016 at 11:01:53AM +0200, Carlos Maiolino wrote: > > On Mon, Jun 20, 2016 at 12:52:42PM -0400, Brian Foster wrote: > > > Update the inode btree scanning functions to process sparse inode chunks > > > correctly. For filesystems with sparse inode support enabled, process > > > each chunk a cluster at a time. Each cluster is checked against the > > > inobt record to determine if it is a hole and skipped if so. > > > > > > Note that since xfs_check is deprecated in favor of xfs_repair, this > > > adds the minimum support necessary to process sparse inode enabled > > > filesystems. In other words, this adds no sparse inode specific checks > > > or verifications. We only update the inobt scanning functions to extend > > > the existing level of verification to sparse inode enabled filesystems > > > (e.g., avoid incorrectly tracking sparse regions as inodes). Problems > > > or corruptions associated with sparse inode records must be detected and > > > recovered via xfs_repair. > > > > > > > Hi, > > > > I'm not quite sure, but a while ago, I thought I've heard some rumors about > > deprecating xfs_check, is this true or something that my mind made up for some > > weird reason? > > > > I actually thought it already was. :) xfstests still runs check in > certain cases, however, and these patches just fix a regression. > Personally, I'd be fine with just dumping an "fs has sparse inodes, use > repair" message from xfs_check, but the basic sparse inode support had > already been added. > :) I had no objection about the patch, just to make it clear. I was just curious about how much we still care about xfs_check :) > Brian > > > > > > Signed-off-by: Brian Foster > > > --- > > > db/check.c | 143 +++++++++++++++++++++++++++++++++++++++++++------------------ > > > 1 file changed, 102 insertions(+), 41 deletions(-) > > > > > > diff --git a/db/check.c b/db/check.c > > > index 750ecc1..25146e5 100644 > > > --- a/db/check.c > > > +++ b/db/check.c > > > @@ -4324,10 +4324,24 @@ scanfunc_ino( > > > int i; > > > int isfree; > > > int j; > > > + int freecount; > > > int nfree; > > > int off; > > > xfs_inobt_ptr_t *pp; > > > xfs_inobt_rec_t *rp; > > > + xfs_agblock_t agbno; > > > + xfs_agblock_t end_agbno; > > > + struct xfs_dinode *dip; > > > + int blks_per_buf; > > > + int inodes_per_buf; > > > + int ioff; > > > + > > > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > > > + blks_per_buf = xfs_icluster_size_fsb(mp); > > > + else > > > + blks_per_buf = mp->m_ialloc_blks; > > > + inodes_per_buf = min(blks_per_buf << mp->m_sb.sb_inopblog, > > > + XFS_INODES_PER_CHUNK); > > > > > > if (be32_to_cpu(block->bb_magic) != XFS_IBT_MAGIC && > > > be32_to_cpu(block->bb_magic) != XFS_IBT_CRC_MAGIC) { > > > @@ -4357,54 +4371,74 @@ scanfunc_ino( > > > rp = XFS_INOBT_REC_ADDR(mp, block, 1); > > > for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { > > > agino = be32_to_cpu(rp[i].ir_startino); > > > - off = XFS_INO_TO_OFFSET(mp, agino); > > > + agbno = XFS_AGINO_TO_AGBNO(mp, agino); > > > + off = XFS_AGINO_TO_OFFSET(mp, agino); > > > + end_agbno = agbno + mp->m_ialloc_blks; > > > if (off == 0) { > > > if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && > > > mp->m_sb.sb_inoalignmt && > > > (XFS_INO_TO_AGBNO(mp, agino) % > > > mp->m_sb.sb_inoalignmt)) > > > sbversion &= ~XFS_SB_VERSION_ALIGNBIT; > > > - set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), > > > - (xfs_extlen_t)MAX(1, > > > - XFS_INODES_PER_CHUNK >> > > > - mp->m_sb.sb_inopblog), > > > - DBM_INODE, seqno, bno); > > > } > > > - icount += XFS_INODES_PER_CHUNK; > > > - agicount += XFS_INODES_PER_CHUNK; > > > - ifree += be32_to_cpu(rp[i].ir_u.f.ir_freecount); > > > - agifreecount += be32_to_cpu(rp[i].ir_u.f.ir_freecount); > > > + > > > push_cur(); > > > - set_cur(&typtab[TYP_INODE], > > > - XFS_AGB_TO_DADDR(mp, seqno, > > > - XFS_AGINO_TO_AGBNO(mp, agino)), > > > - (int)XFS_FSB_TO_BB(mp, mp->m_ialloc_blks), > > > - DB_RING_IGN, NULL); > > > - if (iocur_top->data == NULL) { > > > - if (!sflag) > > > - dbprintf(_("can't read inode block " > > > - "%u/%u\n"), > > > - seqno, > > > - XFS_AGINO_TO_AGBNO(mp, agino)); > > > - error++; > > > - pop_cur(); > > > - continue; > > > - } > > > - for (j = 0, nfree = 0; j < XFS_INODES_PER_CHUNK; j++) { > > > - isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], j); > > > - if (isfree) > > > - nfree++; > > > - process_inode(agf, agino + j, > > > - (xfs_dinode_t *)((char *)iocur_top->data + ((off + j) << mp->m_sb.sb_inodelog)), > > > - isfree); > > > + > > > + ioff = 0; > > > + nfree = 0; > > > + while (agbno < end_agbno && > > > + ioff < XFS_INODES_PER_CHUNK) { > > > + if (xfs_inobt_is_sparse_disk(&rp[i], ioff)) > > > + goto next_buf; > > > + > > > + if (off < XFS_INODES_PER_CHUNK) > > > + set_dbmap(seqno, agbno, blks_per_buf, > > > + DBM_INODE, seqno, bno); > > > + > > > + icount += inodes_per_buf; > > > + agicount += inodes_per_buf; > > > + > > > + set_cur(&typtab[TYP_INODE], > > > + XFS_AGB_TO_DADDR(mp, seqno, agbno), > > > + XFS_FSB_TO_BB(mp, blks_per_buf), > > > + DB_RING_IGN, NULL); > > > + if (iocur_top->data == NULL) { > > > + if (!sflag) > > > + dbprintf(_("can't read inode block " > > > + "%u/%u\n"), seqno, > > > + agbno); > > > + error++; > > > + goto next_buf; > > > + } > > > + > > > + for (j = 0; j < inodes_per_buf; j++) { > > > + isfree = XFS_INOBT_IS_FREE_DISK(&rp[i], ioff + j); > > > + if (isfree) > > > + nfree++; > > > + dip = (xfs_dinode_t *)((char *)iocur_top->data + > > > + ((off + j) << mp->m_sb.sb_inodelog)); > > > + process_inode(agf, agino + ioff + j, dip, isfree); > > > + } > > > + > > > +next_buf: > > > + agbno += blks_per_buf; > > > + ioff += inodes_per_buf; > > > } > > > - if (nfree != be32_to_cpu(rp[i].ir_u.f.ir_freecount)) { > > > + > > > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > > > + freecount = rp[i].ir_u.sp.ir_freecount; > > > + else > > > + freecount = be32_to_cpu(rp[i].ir_u.f.ir_freecount); > > > + > > > + ifree += freecount; > > > + agifreecount += freecount; > > > + > > > + if (nfree != freecount) { > > > if (!sflag) > > > dbprintf(_("ir_freecount/free mismatch, " > > > "inode chunk %u/%u, freecount " > > > "%d nfree %d\n"), > > > - seqno, agino, > > > - be32_to_cpu(rp[i].ir_u.f.ir_freecount), nfree); > > > + seqno, agino, freecount, nfree); > > > error++; > > > } > > > pop_cur(); > > > @@ -4439,6 +4473,18 @@ scanfunc_fino( > > > int off; > > > xfs_inobt_ptr_t *pp; > > > struct xfs_inobt_rec *rp; > > > + xfs_agblock_t agbno; > > > + xfs_agblock_t end_agbno; > > > + int blks_per_buf; > > > + int inodes_per_buf; > > > + int ioff; > > > + > > > + if (xfs_sb_version_hassparseinodes(&mp->m_sb)) > > > + blks_per_buf = xfs_icluster_size_fsb(mp); > > > + else > > > + blks_per_buf = mp->m_ialloc_blks; > > > + inodes_per_buf = min(blks_per_buf << mp->m_sb.sb_inopblog, > > > + XFS_INODES_PER_CHUNK); > > > > > > if (be32_to_cpu(block->bb_magic) != XFS_FIBT_MAGIC && > > > be32_to_cpu(block->bb_magic) != XFS_FIBT_CRC_MAGIC) { > > > @@ -4468,19 +4514,34 @@ scanfunc_fino( > > > rp = XFS_INOBT_REC_ADDR(mp, block, 1); > > > for (i = 0; i < be16_to_cpu(block->bb_numrecs); i++) { > > > agino = be32_to_cpu(rp[i].ir_startino); > > > - off = XFS_INO_TO_OFFSET(mp, agino); > > > + agbno = XFS_AGINO_TO_AGBNO(mp, agino); > > > + off = XFS_AGINO_TO_OFFSET(mp, agino); > > > + end_agbno = agbno + mp->m_ialloc_blks; > > > if (off == 0) { > > > if ((sbversion & XFS_SB_VERSION_ALIGNBIT) && > > > mp->m_sb.sb_inoalignmt && > > > (XFS_INO_TO_AGBNO(mp, agino) % > > > mp->m_sb.sb_inoalignmt)) > > > sbversion &= ~XFS_SB_VERSION_ALIGNBIT; > > > - check_set_dbmap(seqno, XFS_AGINO_TO_AGBNO(mp, agino), > > > - (xfs_extlen_t)MAX(1, > > > - XFS_INODES_PER_CHUNK >> > > > - mp->m_sb.sb_inopblog), > > > - DBM_INODE, DBM_INODE, seqno, bno); > > > } > > > + > > > + ioff = 0; > > > + while (agbno < end_agbno && > > > + ioff < XFS_INODES_PER_CHUNK) { > > > + if (xfs_inobt_is_sparse_disk(&rp[i], ioff)) > > > + goto next_buf; > > > + > > > + check_set_dbmap(seqno, agbno, > > > + (xfs_extlen_t)MAX(1, > > > + inodes_per_buf >> > > > + mp->m_sb.sb_inopblog), > > > + DBM_INODE, DBM_INODE, seqno, bno); > > > + > > > +next_buf: > > > + agbno += blks_per_buf; > > > + ioff += inodes_per_buf; > > > + } > > > + > > > } > > > return; > > > } > > > -- > > > 2.5.5 > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > > > -- > > Carlos > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From bfoster@redhat.com Tue Jun 21 08:00:51 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A3EF27CA0 for ; Tue, 21 Jun 2016 08:00:51 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3C305AC001 for ; Tue, 21 Jun 2016 06:00:48 -0700 (PDT) X-ASG-Debug-ID: 1466514046-04bdf01e1517a1c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id g8E7rYzEjBCCEoSO (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 21 Jun 2016 06:00:46 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4C25978226; Tue, 21 Jun 2016 13:00:46 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-2.bos.redhat.com [10.18.41.2]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5LD0j99024234; Tue, 21 Jun 2016 09:00:45 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 416631201DB; Tue, 21 Jun 2016 09:00:45 -0400 (EDT) Date: Tue, 21 Jun 2016 09:00:45 -0400 From: Brian Foster To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion Message-ID: <20160621130043.GA62352@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612634887.12839.6210102273046676244.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612634887.12839.6210102273046676244.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 21 Jun 2016 13:00:46 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466514046 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9489 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:19:08PM -0700, Darrick J. Wong wrote: > When a btree block has to be split, we pass the new block's ptr from > xfs_btree_split() back to xfs_btree_insert() via a pointer parameter; > however, we pass the block's key through the cursor's record. It is a > little weird to "initialize" a record from a key since the non-key > attributes will have garbage values. > > When we go to add support for interval queries, we have to be able to > pass the lowest and highest keys accessible via a pointer. There's no > clean way to pass this back through the cursor's record field. > Therefore, pass the key directly back to xfs_btree_insert() the same > way that we pass the btree_ptr. > > As a bonus, we no longer need init_rec_from_key and can drop it from the > codebase. > > Signed-off-by: Darrick J. Wong > --- > fs/xfs/libxfs/xfs_alloc_btree.c | 12 ---------- > fs/xfs/libxfs/xfs_bmap_btree.c | 12 ---------- > fs/xfs/libxfs/xfs_btree.c | 44 +++++++++++++++++++------------------- > fs/xfs/libxfs/xfs_btree.h | 2 -- > fs/xfs/libxfs/xfs_ialloc_btree.c | 10 --------- > 5 files changed, 22 insertions(+), 58 deletions(-) > > ... > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index 046fbcf..a096539 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c ... > @@ -2929,16 +2927,16 @@ xfs_btree_insrec( > struct xfs_btree_cur *cur, /* btree cursor */ > int level, /* level to insert record at */ > union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ > - union xfs_btree_rec *recp, /* i/o: record data inserted */ > + union xfs_btree_key *key, /* i/o: block key for ptrp */ > struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ > int *stat) /* success/failure */ > { > struct xfs_btree_block *block; /* btree block */ > struct xfs_buf *bp; /* buffer for block */ > - union xfs_btree_key key; /* btree key */ > union xfs_btree_ptr nptr; /* new block ptr */ > struct xfs_btree_cur *ncur; /* new btree cursor */ > - union xfs_btree_rec nrec; /* new record count */ > + union xfs_btree_key nkey; /* new block key */ > + union xfs_btree_rec rec; /* record to insert */ > int optr; /* old key/record index */ > int ptr; /* key/record index */ > int numrecs;/* number of records */ > @@ -2947,8 +2945,14 @@ xfs_btree_insrec( > int i; > #endif > > + /* Make a key out of the record data to be inserted, and save it. */ > + if (level == 0) { > + cur->bc_ops->init_rec_from_cur(cur, &rec); > + cur->bc_ops->init_key_from_rec(key, &rec); > + } The level == 0 check looks a bit hacky to me. IOW, I think it's cleaner that the key is initialized once in the caller rather than check for a particular iteration down in xfs_btree_insrec(). That said, xfs_btree_insrec() still needs rec initialized in the level == 0 case. I wonder if we could create an inline xfs_btree_init_key_from_cur() helper to combine the above calls, invoke it once in xfs_btree_insert(), then push down the ->init_rec_from_cur() calls to the contexts further down in this function where rec is actually required. There are only two and one of them is DEBUG code. Thoughts? > + > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > - XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, recp); > + XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, &rec); > So these look like unimplemented dummy tracing hooks. It sounds like previously rec could have a junk value after a btree split, but now it looks like rec is junk for every non-zero level. Kind of annoying, I wonder if we can just kill these.. :/ Brian > ncur = NULL; > > @@ -2973,9 +2977,6 @@ xfs_btree_insrec( > return 0; > } > > - /* Make a key out of the record data to be inserted, and save it. */ > - cur->bc_ops->init_key_from_rec(&key, recp); > - > optr = ptr; > > XFS_BTREE_STATS_INC(cur, insrec); > @@ -2992,10 +2993,10 @@ xfs_btree_insrec( > /* Check that the new entry is being inserted in the right place. */ > if (ptr <= numrecs) { > if (level == 0) { > - ASSERT(cur->bc_ops->recs_inorder(cur, recp, > + ASSERT(cur->bc_ops->recs_inorder(cur, &rec, > xfs_btree_rec_addr(cur, ptr, block))); > } else { > - ASSERT(cur->bc_ops->keys_inorder(cur, &key, > + ASSERT(cur->bc_ops->keys_inorder(cur, key, > xfs_btree_key_addr(cur, ptr, block))); > } > } > @@ -3008,7 +3009,7 @@ xfs_btree_insrec( > xfs_btree_set_ptr_null(cur, &nptr); > if (numrecs == cur->bc_ops->get_maxrecs(cur, level)) { > error = xfs_btree_make_block_unfull(cur, level, numrecs, > - &optr, &ptr, &nptr, &ncur, &nrec, stat); > + &optr, &ptr, &nptr, &ncur, &nkey, stat); > if (error || *stat == 0) > goto error0; > } > @@ -3058,7 +3059,7 @@ xfs_btree_insrec( > #endif > > /* Now put the new data in, bump numrecs and log it. */ > - xfs_btree_copy_keys(cur, kp, &key, 1); > + xfs_btree_copy_keys(cur, kp, key, 1); > xfs_btree_copy_ptrs(cur, pp, ptrp, 1); > numrecs++; > xfs_btree_set_numrecs(block, numrecs); > @@ -3079,7 +3080,7 @@ xfs_btree_insrec( > xfs_btree_shift_recs(cur, rp, 1, numrecs - ptr + 1); > > /* Now put the new data in, bump numrecs and log it. */ > - xfs_btree_copy_recs(cur, rp, recp, 1); > + xfs_btree_copy_recs(cur, rp, &rec, 1); > xfs_btree_set_numrecs(block, ++numrecs); > xfs_btree_log_recs(cur, bp, ptr, numrecs); > #ifdef DEBUG > @@ -3095,7 +3096,7 @@ xfs_btree_insrec( > > /* If we inserted at the start of a block, update the parents' keys. */ > if (optr == 1) { > - error = xfs_btree_updkey(cur, &key, level + 1); > + error = xfs_btree_updkey(cur, key, level + 1); > if (error) > goto error0; > } > @@ -3105,7 +3106,7 @@ xfs_btree_insrec( > * we are at the far right edge of the tree, update it. > */ > if (xfs_btree_is_lastrec(cur, block, level)) { > - cur->bc_ops->update_lastrec(cur, block, recp, > + cur->bc_ops->update_lastrec(cur, block, &rec, > ptr, LASTREC_INSREC); > } > > @@ -3115,7 +3116,7 @@ xfs_btree_insrec( > */ > *ptrp = nptr; > if (!xfs_btree_ptr_is_null(cur, &nptr)) { > - *recp = nrec; > + *key = nkey; > *curp = ncur; > } > > @@ -3146,14 +3147,13 @@ xfs_btree_insert( > union xfs_btree_ptr nptr; /* new block number (split result) */ > struct xfs_btree_cur *ncur; /* new cursor (split result) */ > struct xfs_btree_cur *pcur; /* previous level's cursor */ > - union xfs_btree_rec rec; /* record to insert */ > + union xfs_btree_key key; /* key of block to insert */ > > level = 0; > ncur = NULL; > pcur = cur; > > xfs_btree_set_ptr_null(cur, &nptr); > - cur->bc_ops->init_rec_from_cur(cur, &rec); > > /* > * Loop going up the tree, starting at the leaf level. > @@ -3165,7 +3165,7 @@ xfs_btree_insert( > * Insert nrec/nptr into this level of the tree. > * Note if we fail, nptr will be null. > */ > - error = xfs_btree_insrec(pcur, level, &nptr, &rec, &ncur, &i); > + error = xfs_btree_insrec(pcur, level, &nptr, &key, &ncur, &i); > if (error) { > if (pcur != cur) > xfs_btree_del_cursor(pcur, XFS_BTREE_ERROR); > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index b955e5d..b99c018 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -158,8 +158,6 @@ struct xfs_btree_ops { > /* init values of btree structures */ > void (*init_key_from_rec)(union xfs_btree_key *key, > union xfs_btree_rec *rec); > - void (*init_rec_from_key)(union xfs_btree_key *key, > - union xfs_btree_rec *rec); > void (*init_rec_from_cur)(struct xfs_btree_cur *cur, > union xfs_btree_rec *rec); > void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, > diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c > index 89c21d7..88da2ad 100644 > --- a/fs/xfs/libxfs/xfs_ialloc_btree.c > +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c > @@ -146,14 +146,6 @@ xfs_inobt_init_key_from_rec( > } > > STATIC void > -xfs_inobt_init_rec_from_key( > - union xfs_btree_key *key, > - union xfs_btree_rec *rec) > -{ > - rec->inobt.ir_startino = key->inobt.ir_startino; > -} > - > -STATIC void > xfs_inobt_init_rec_from_cur( > struct xfs_btree_cur *cur, > union xfs_btree_rec *rec) > @@ -314,7 +306,6 @@ static const struct xfs_btree_ops xfs_inobt_ops = { > .get_minrecs = xfs_inobt_get_minrecs, > .get_maxrecs = xfs_inobt_get_maxrecs, > .init_key_from_rec = xfs_inobt_init_key_from_rec, > - .init_rec_from_key = xfs_inobt_init_rec_from_key, > .init_rec_from_cur = xfs_inobt_init_rec_from_cur, > .init_ptr_from_cur = xfs_inobt_init_ptr_from_cur, > .key_diff = xfs_inobt_key_diff, > @@ -336,7 +327,6 @@ static const struct xfs_btree_ops xfs_finobt_ops = { > .get_minrecs = xfs_inobt_get_minrecs, > .get_maxrecs = xfs_inobt_get_maxrecs, > .init_key_from_rec = xfs_inobt_init_key_from_rec, > - .init_rec_from_key = xfs_inobt_init_rec_from_key, > .init_rec_from_cur = xfs_inobt_init_rec_from_cur, > .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, > .key_diff = xfs_inobt_key_diff, > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sandeen@sandeen.net Tue Jun 21 08:54:12 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4F9E27CA1 for ; Tue, 21 Jun 2016 08:54:12 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0199C304032 for ; Tue, 21 Jun 2016 06:54:08 -0700 (PDT) X-ASG-Debug-ID: 1466517245-04bdf01e1017c5f0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id YwFLXFijV1C11yzb for ; Tue, 21 Jun 2016 06:54:05 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 6BFA215B13 for ; Tue, 21 Jun 2016 08:54:05 -0500 (CDT) Subject: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> <1466441562-12317-3-git-send-email-bfoster@redhat.com> <20160621090153.GB28212@redhat.com> From: Eric Sandeen Message-ID: Date: Tue, 21 Jun 2016 08:54:04 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160621090153.GB28212@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1466517245 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1664 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30627 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/21/16 4:01 AM, Carlos Maiolino wrote: > On Mon, Jun 20, 2016 at 12:52:42PM -0400, Brian Foster wrote: >> Update the inode btree scanning functions to process sparse inode chunks >> correctly. For filesystems with sparse inode support enabled, process >> each chunk a cluster at a time. Each cluster is checked against the >> inobt record to determine if it is a hole and skipped if so. >> >> Note that since xfs_check is deprecated in favor of xfs_repair, this >> adds the minimum support necessary to process sparse inode enabled >> filesystems. In other words, this adds no sparse inode specific checks >> or verifications. We only update the inobt scanning functions to extend >> the existing level of verification to sparse inode enabled filesystems >> (e.g., avoid incorrectly tracking sparse regions as inodes). Problems >> or corruptions associated with sparse inode records must be detected and >> recovered via xfs_repair. >> > > Hi, > > I'm not quite sure, but a while ago, I thought I've heard some rumors about > deprecating xfs_check, is this true or something that my mind made up for some > weird reason? Yes, like Brian said above. ;) bfc541e xfsprogs: remove xfs_check 12a48f5 xfsprogs: remove xfs_check references from fsck.xfs script & manpage However, we still run check inside xfs_db in xfstests as an independent verification step: 187bccd xfstests: Remove dependence of xfs_check script +# xfs_check script is planned to be deprecated. But, we want to +# be able to invoke "xfs_check" behavior in xfstests in order to +# maintain the current verification levels. +_xfs_check() -Eric From mstsxfx@gmail.com Tue Jun 21 09:26:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 953B37CA1 for ; Tue, 21 Jun 2016 09:26:36 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 679A48F8033 for ; Tue, 21 Jun 2016 07:26:33 -0700 (PDT) X-ASG-Debug-ID: 1466519189-04cbb01fef162510001-NocioJ Received: from mail-lb0-f171.google.com (mail-lb0-f171.google.com [209.85.217.171]) by cuda.sgi.com with ESMTP id InAVDj9EUFFd1oNx (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Tue, 21 Jun 2016 07:26:31 -0700 (PDT) X-Barracuda-Envelope-From: mstsxfx@gmail.com X-Barracuda-Effective-Source-IP: mail-lb0-f171.google.com[209.85.217.171] X-Barracuda-Apparent-Source-IP: 209.85.217.171 Received: by mail-lb0-f171.google.com with SMTP id oe3so12199435lbb.1 for ; Tue, 21 Jun 2016 07:26:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=n3xGpSOrF1RBo8MpNSzwHpB5kUeWm3tJYtJEgvu1TiE=; b=Pr7qQRVoAVWB+qM3dO7RH6Fk8SpMiR1bTTp8R2ELBWfWTQcMKOQTGClmnOiP0IYL1P gmzNH+W/gxFCpFatP7DQGuQQuf0YF46CRA5lsA06DSjCU0fiZb+6hFy4l6dv8M/yugCS W/B6utxEd3wdV2bRXSXxL7b2RXakGLYDok8+c5pLgjt3TyLODAROGe4HOOP/vYtrduda MhYUk9dxOFKbjH6PvEZ46Y9wrz29ddrdzZRLlTzeYL1BBnGB03JK8bMoX48nHspkKXFY S62+ahZfvitCk3/8TUiGhNwo7l2TVdI0BpqUmfU4SKdKAZVj2mXRVHjBlfOe83hQYcaW wk2A== X-Gm-Message-State: ALyK8tKAn6SsqM2D8QTD/F2EzDfbrmEKYK+P5OV+y1hi5O3GQiGTL0lfmy9XMY/dFYPOmA== X-Received: by 10.194.205.233 with SMTP id lj9mr16321567wjc.10.1466519189515; Tue, 21 Jun 2016 07:26:29 -0700 (PDT) Received: from localhost ([80.188.202.66]) by smtp.gmail.com with ESMTPSA id o129sm3199467wmb.17.2016.06.21.07.26.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 21 Jun 2016 07:26:28 -0700 (PDT) Date: Tue, 21 Jun 2016 16:26:28 +0200 From: Michal Hocko To: Dave Chinner Cc: Peter Zijlstra , "Darrick J. Wong" , Qu Wenruo , xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: Xfs lockdep warning with for-dave-for-4.6 branch Message-ID: <20160621142628.GG30848@dhcp22.suse.cz> X-ASG-Orig-Subj: Re: Xfs lockdep warning with for-dave-for-4.6 branch References: <20160519081146.GS3193@twins.programming.kicks-ass.net> <20160520001714.GC26977@dastard> <20160601131758.GO26601@dhcp22.suse.cz> <20160601181617.GV3190@twins.programming.kicks-ass.net> <20160602145048.GS1995@dhcp22.suse.cz> <20160602151116.GD3190@twins.programming.kicks-ass.net> <20160602154619.GU1995@dhcp22.suse.cz> <20160602232254.GR12670@dastard> <20160606122022.GH11895@dhcp22.suse.cz> <20160615072154.GF26977@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160615072154.GF26977@dastard> User-Agent: Mutt/1.6.0 (2016-04-01) X-Barracuda-Connect: mail-lb0-f171.google.com[209.85.217.171] X-Barracuda-Start-Time: 1466519190 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2286 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30627 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed 15-06-16 17:21:54, Dave Chinner wrote: [...] > Hopefully you can see the complexity of the issue - for an allocation > in the bmap btree code that could occur outside both inside and > outside of a transaction context, we've got to work out which of > those ~60 high level entry points would need to be annotated. And > then we have to ensure that in future we don't miss adding or > removing an annotation as we change the code deep inside the btree > implementation. It's the latter that is the long term maintainence > problem the hihg-level annotation approach introduces. Sure I can see the complexity here. I might still see this over simplified but I originally thought that the annotation would be used at the highest level which never gets called from the transaction or other NOFS context. So all the layers down would inherit that automatically. I guess that such a place can be identified from the lockdep report by a trained eye. > > > I think such an annotation approach really requires per-alloc site > > > annotation, the reason for it should be more obvious from the > > > context. e.g. any function that does memory alloc and takes an > > > optional transaction context needs annotation. Hence, from an XFS > > > perspective, I think it makes more sense to add a new KM_ flag to > > > indicate this call site requirement, then jump through whatever > > > lockdep hoop is required within the kmem_* allocation wrappers. > > > e.g, we can ignore the new KM_* flag if we are in a transaction > > > context and so the flag is only activated in the situations were > > > we currently enforce an external GFP_NOFS context from the call > > > site..... > > > > Hmm, I thought we would achive this by using the scope GFP_NOFS usage > > which would mark those transaction related conctexts and no lockdep > > specific workarounds would be needed... > > There are allocations outside transaction context which need to be > GFP_NOFS - this is what KM_NOFS was originally intended for. Is it feasible to mark those by the scope NOFS api as well and drop the direct KM_NOFS usage? This should help to identify those that are lockdep only and use the annotation to prevent from the false positives. -- Michal Hocko SUSE Labs From grace15@offer.com Tue Jun 21 10:49:05 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=5.0 tests=HTML_MESSAGE,MIME_HTML_ONLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 86A457CA1 for ; Tue, 21 Jun 2016 10:49:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 467CF304032 for ; Tue, 21 Jun 2016 08:49:02 -0700 (PDT) X-ASG-Debug-ID: 1466524079-04bdf05e6b02af0001-NocioJ Received: from offer.com ([223.73.2.38]) by cuda.sgi.com with SMTP id lWcu42HnZwyBfFcE for ; Tue, 21 Jun 2016 08:48:30 -0700 (PDT) X-Barracuda-Envelope-From: 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aW5nOiAxLjAwMDBwdCI+d2VjaGF0L21vYmlsZS93aGF0c2FwcDowMDg2LTEzNTEwNzI2NzE2PC9T UEFOPjwvUD4NCjxQIGNsYXNzPU1zb05vcm1hbCBzdHlsZT0iTUFSR0lOOiAwcHQiPjxTUEFOIA0K c3R5bGU9IkZPTlQtU0laRTogMTAuNXB0OyBGT05ULUZBTUlMWTogVmVyZGFuYTsgbXNvLXNwYWNl cnVuOiAmIzM5O3llcyYjMzk7OyBtc28tZm9udC1rZXJuaW5nOiAxLjAwMDBwdCI+PC9TUEFOPiZu YnNwOzwvUD4NCjxQPjwhLS1FbmRGcmFnbWVudC0tPjwvUD48L0JPRFk+PC9IVE1MPg0KDQo= From felix.janda@posteo.de Tue Jun 21 15:09:07 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 44F1D7CA1 for ; Tue, 21 Jun 2016 15:09:07 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id CCF01AC002 for ; Tue, 21 Jun 2016 13:09:03 -0700 (PDT) X-ASG-Debug-ID: 1466539739-04bdf05e6b0e180001-NocioJ Received: from mout02.posteo.de (mout02.posteo.de [185.67.36.66]) by cuda.sgi.com with ESMTP id 4avL0mknIlHZLT9m (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 21 Jun 2016 13:09:00 -0700 (PDT) X-Barracuda-Envelope-From: felix.janda@posteo.de X-Barracuda-Effective-Source-IP: mout02.posteo.de[185.67.36.66] X-Barracuda-Apparent-Source-IP: 185.67.36.66 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id BF48C20988 for ; Tue, 21 Jun 2016 22:08:58 +0200 (CEST) Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3rYzMD32Y6z104v; Tue, 21 Jun 2016 22:08:55 +0200 (CEST) Date: Tue, 21 Jun 2016 22:07:34 +0200 From: Felix Janda To: Dave Chinner Cc: xfs@oss.sgi.com Subject: Re: [PATCH 1/4] Remove off64_t from linux.h Message-ID: <20160621200734.GA1151@nyan> X-ASG-Orig-Subj: Re: [PATCH 1/4] Remove off64_t from linux.h References: <20160618145238.GA17768@nyan> <20160620020414.GH26977@dastard> <20160620065348.GA431@nyan> <20160620231804.GK26977@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620231804.GK26977@dastard> User-Agent: Mutt/1.6.1 (2016-04-27) X-Barracuda-Connect: mout02.posteo.de[185.67.36.66] X-Barracuda-Start-Time: 1466539740 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2948 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30638 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Dave Chinner wrote: > On Mon, Jun 20, 2016 at 08:53:48AM +0200, Felix Janda wrote: > > Dave Chinner wrote: > > > > Thanks for asking for clarification. > > > > > On Sat, Jun 18, 2016 at 04:52:38PM +0200, Felix Janda wrote: > > > > The off64_t type is usually only conditionally exposed under the > > > > feature test macro _LARGEFILE64_SOURCE (also defined by _GNU_SOURCE). > > > > To make the public xfs headers more standalone therefore off64_t should > > > > be avoided. > > > > > > "more standalone"? > > > > > > What does that mean? > > > > Programs including the xfs headers while not defining _GNU_SOURCE or > > _LARGEFILE64_SOURCE will not fail with compile errors. My previous > > patch changing loff_t to off64_t had the unintented consequences that > > downstreams of xfs-progs like ceph had to define _LARGEFILE64_SOURCE > > on linux. > > That needs to be in the patch description - it's the motivation for > the change (i.e. that downstream apps need to add new defines). Sure. > > > And what does it mean for all the xfsprogs code that still uses > > > off64_t? > > > > off_t and off64_t are now synomyms and 64 bit on all architectures. > > So no difference for code using off64_t. > > > > Under some conditions there can be a difference for code using > > off_t. > > Right, I understand that there is a difference - what I'm asking for > is a description of the difference and an explanation of why: > > $ git grep off64_t | wc -l > 62 > $ > > the other ~60 uses of off64_t in the xfsprogs code are not being > removed, too. i.e. if the code now won't compile if off_t isn't 64 > bits, then why keep off64_t at all in any of the code? On 32bit systems using glibc the following changes happen: 1. off_t is now 64 bit instead of 32 bit 2. all functions and structures using off_t are mapped to versions using the 64 bit off_t 1. means that off_t and off64_t are now equivalents, whereas 2. means that struct stat and struct stat64, open() and open64() and many others become equivalent. Because, in addition to off64_t, "64"-functions and structures are used very consistently in the code I have hold off sending a patch changing these. I recall also seeing in some commit messages that at some sites off64_t was changed to int64_t (or __int64_t...) for header portability; for these sites it might be nice to change back to off_t. Grepping the code I found one occurence in fsr/xfs_fsr.c of off_t (not off64_t) which will be affected by the change (on 32bit linux). Right now the F_GETLK fcntl with the struct flock is used there instead of F_GETLK64 with struct flock64. The current usage is ok because the off_t arguments are only used for the value 0 which happily fits into variables of any size. After the change, the fcntl F_GETLK64, struct flock64 and off64_t will be used instead, leading to no visible change in behavior. Felix From david@fromorbit.com Tue Jun 21 18:30:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F25CF7CA1 for ; Tue, 21 Jun 2016 18:30:05 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8C952AC003 for ; Tue, 21 Jun 2016 16:30:05 -0700 (PDT) X-ASG-Debug-ID: 1466551798-04bdf05e6d15b20001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id iKLowmN0Y1VJ4Jja for ; Tue, 21 Jun 2016 16:29:59 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AUDgBazWlXEJgMLHldgz6BU4J2g3mfNQaMOIYGhAmGEQQCAoE1TQEBAQEBAQcBAQEBAQECPkCETAEBBDocFgoDEAgDGAklDwUlAwcaE4gvwmkBAQgCJR6FQYUVihsFmHmJAIUigXONOkiGCYknglwcgV4qMopIAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 22 Jun 2016 08:59:42 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFV6y-0001ZY-8F; Wed, 22 Jun 2016 09:29:40 +1000 Date: Wed, 22 Jun 2016 09:29:40 +1000 From: Dave Chinner To: Eric Sandeen Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Message-ID: <20160621232940.GQ12670@dastard> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> <1466441562-12317-3-git-send-email-bfoster@redhat.com> <20160621090153.GB28212@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466551798 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2393 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30643 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 21, 2016 at 08:54:04AM -0500, Eric Sandeen wrote: > > > On 6/21/16 4:01 AM, Carlos Maiolino wrote: > > On Mon, Jun 20, 2016 at 12:52:42PM -0400, Brian Foster wrote: > >> Update the inode btree scanning functions to process sparse inode chunks > >> correctly. For filesystems with sparse inode support enabled, process > >> each chunk a cluster at a time. Each cluster is checked against the > >> inobt record to determine if it is a hole and skipped if so. > >> > >> Note that since xfs_check is deprecated in favor of xfs_repair, this > >> adds the minimum support necessary to process sparse inode enabled > >> filesystems. In other words, this adds no sparse inode specific checks > >> or verifications. We only update the inobt scanning functions to extend > >> the existing level of verification to sparse inode enabled filesystems > >> (e.g., avoid incorrectly tracking sparse regions as inodes). Problems > >> or corruptions associated with sparse inode records must be detected and > >> recovered via xfs_repair. > >> > > > > Hi, > > > > I'm not quite sure, but a while ago, I thought I've heard some rumors about > > deprecating xfs_check, is this true or something that my mind made up for some > > weird reason? > > Yes, like Brian said above. ;) > > bfc541e xfsprogs: remove xfs_check > 12a48f5 xfsprogs: remove xfs_check references from fsck.xfs script & manpage > > However, we still run check inside xfs_db in xfstests as an independent > verification step: > > 187bccd xfstests: Remove dependence of xfs_check script > > +# xfs_check script is planned to be deprecated. But, we want to > +# be able to invoke "xfs_check" behavior in xfstests in order to > +# maintain the current verification levels. > +_xfs_check() Right - it's a secondary set of code that effectively tells us whether repair is detecting all the problems it should. i.e. if check fails and repair doesn't, then we've got a bug in repair that needs fixing. Also, the check code is really just an "addon" to other functionality in xfs_db (e.g. blockget) that we have to keep, so removing check doesn't really gain us all that much in terms of reduced maintenance overhead. So long as we can easily keep check up to date with new features I think we shoul dbe keeping it... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Jun 21 18:47:23 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1624B7CA1 for ; Tue, 21 Jun 2016 18:47:23 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id CC093304039 for ; Tue, 21 Jun 2016 16:47:19 -0700 (PDT) X-ASG-Debug-ID: 1466552837-04bdf05e6d16390001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id EbnQ7wGgI9BVUH5q for ; Tue, 21 Jun 2016 16:47:17 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CiDgAX0WlXEJgMLHldgz6BU4J2g3mfNgaMOIYGhAmGEQICAQECgTVNAQEBAQEBBwEBAQEBAQI+QIRLAQEBAwE6HCMFCwgDDgoJJQ8FJQMHGhOIKAfCaAEBAQEGAQEBASMehUGFFYdsgi8Fk0iFMY4ijy2PeIRWKjKKSAEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 22 Jun 2016 09:17:18 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFVO0-0001bL-8s; Wed, 22 Jun 2016 09:47:16 +1000 Date: Wed, 22 Jun 2016 09:47:16 +1000 From: Dave Chinner To: Eryu Guan Cc: fstests@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [PATCH] xfs/186: run test on expected XFS configuration Message-ID: <20160621234716.GC27480@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs/186: run test on expected XFS configuration References: <1466510507-17548-1-git-send-email-eguan@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466510507-17548-1-git-send-email-eguan@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466552837 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1124 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30643 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 21, 2016 at 08:01:47PM +0800, Eryu Guan wrote: > Usually xfs/186 _notrun on crc enabled XFS because of > _require_attr_v1, since v2 attr format is always enabled on v5 XFS. > > But when testing on 512B block size XFS, i.e. MKFS_OPTIONS="-m crc=0 > -b size=512", test fails. This is because crc enalbed XFS was *enabled > created in the end, not 512B block size XFS with crc disabled, and > that's not what we want to test. > > The reason why _scratch_mkfs_xfs creates a different XFS than > expected is that, it may ignore $MKFS_OPTIONS if mkfs fails due to > conflicts between $MKFS_OPTIONS and the provided mkfs options. > > In the case of xfs/186, "-b size=512" conflicts with "-i size=512", > and the first mkfs fails, then it ends up with a 4k block size XFS > with crc enabled (the default config). > > Fix it by checking crc enablement status and attr version in the > test, to make sure it's testing on expected XFS. > > Signed-off-by: Eryu Guan Looks fine. Reviewed-by: Dave Chinner -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Jun 21 19:29:50 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D85657CA1 for ; Tue, 21 Jun 2016 19:29:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 955AA8F8033 for ; Tue, 21 Jun 2016 17:29:50 -0700 (PDT) X-ASG-Debug-ID: 1466555386-04cb6c063c11790001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id zzA175SMvb7bNK6I for ; Tue, 21 Jun 2016 17:29:46 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 22 Jun 2016 09:59:19 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFW2f-0001hd-7b; Wed, 22 Jun 2016 10:29:17 +1000 Date: Wed, 22 Jun 2016 10:29:17 +1000 From: Dave Chinner To: xfs@oss.sgi.com Cc: linux-fsdevel@vger.kernel.org, rpeterso@redhat.com Subject: [ANNOUNCE] xfs: for-next branch updated to f477ced Message-ID: <20160622002917.GH27480@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfs: for-next branch updated to f477ced MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="xHFwDpU9dbj6ez1V" Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466555386 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4611 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30645 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi folks, The for-next branch of the xfs kernel repository at git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git has just been updated. This update includes the long-awaited iomap-based IO path infrastructure changes that Christoph has finished off, along with a few bug fixes and the first handful of miscellaneous changes from Darrick's mega-rmap patchset. The iomap infrastructure patches are in their own separate branch - fs-4.8-iomap-infrastructure - so it can be considered a stable branch and hence can be merged into other fs trees so they can start adding their own iomap-based work. It will be included in the linux-next build by the merge into the XFS tree's for-next branch. Any bug fixes that are needed will be appended to this branch, so please cc me on bug reports so I see them quickly. Cheers, Dave. The new head of the for-next branch is commit: f477ced Merge branch 'xfs-4.8-misc-fixes-2' into for-next New Commits: Brian Foster (2): [fa5a4f5] xfs: cancel eofblocks background trimming on remount read-o= nly [408fd48] xfs: refactor xfs_reserve_blocks() to handle ENOSPC correct= ly Christoph Hellwig (14): [199a31c] fs: move struct iomap from exportfs.h to a separate header [ae259a9] fs: introduce iomap infrastructure [9a286f0] fs: support DAX based iomap zeroing [8be9f56] fs: iomap based fiemap implementation [3b3dce0] xfs: make xfs_bmbt_to_iomap available outside of xfs_pnfs.c [f0c6bcb] xfs: reorder zeroing and flushing sequence in truncate [68a9f5e] xfs: implement iomap based buffered write path [6e8a27a] xfs: remove buffered write support from __xfs_get_blocks [d2bb140] xfs: use iomap fiemap implementation [459f0fb] xfs: use iomap infrastructure for DAX zeroing [7bb41db] xfs: handle 64-bit length in xfs_iozero [570b621] xfs: use xfs_zero_range in xfs_zero_eof [bdb0d04] xfs: split xfs_free_file_space in manageable pieces [3c2bdc9] xfs: kill xfs_zero_remaining_bytes Darrick J. Wong (6): [3f94c44] xfs: check offsets of variable length structures [479c641] xfs: enable buffer deadlock postmortem diagnosis via ftrace [128f24d] xfs: check for a valid error_tag in errortag_add [59bad07] xfs: rearrange xfs_bmap_add_free parameters [e66a4c6] xfs: convert list of extents to free into a regular list [19b54ee] xfs: refactor btree maxlevels computation Dave Chinner (4): [07931b7] Merge branch 'fs-4.8-iomap-infrastructure' into for-next [9b7fad2] Merge branch 'xfs-4.8-iomap-write' into for-next [4d89e20] xfs: separate freelist fixing into a separate helper [f477ced] Merge branch 'xfs-4.8-misc-fixes-2' into for-next Code Diffstat: fs/Kconfig | 3 + fs/Makefile | 1 + fs/buffer.c | 76 ++++++- fs/internal.h | 3 + fs/iomap.c | 497 +++++++++++++++++++++++++++++++++++++= +++++++ fs/nfsd/blocklayout.c | 1 + fs/nfsd/blocklayoutxdr.c | 1 + fs/xfs/Kconfig | 1 + fs/xfs/libxfs/xfs_alloc.c | 99 +++++---- fs/xfs/libxfs/xfs_alloc.h | 2 + fs/xfs/libxfs/xfs_bmap.c | 51 ++--- fs/xfs/libxfs/xfs_bmap.h | 18 +- fs/xfs/libxfs/xfs_bmap_btree.c | 2 +- fs/xfs/libxfs/xfs_btree.c | 19 ++ fs/xfs/libxfs/xfs_btree.h | 2 + fs/xfs/libxfs/xfs_ialloc.c | 28 +-- fs/xfs/xfs_aops.c | 283 ++----------------------- fs/xfs/xfs_bmap_util.c | 375 ++++++++++++++------------------- fs/xfs/xfs_bmap_util.h | 1 - fs/xfs/xfs_buf.c | 8 +- fs/xfs/xfs_error.c | 3 + fs/xfs/xfs_file.c | 193 ++--------------- fs/xfs/xfs_fsops.c | 105 ++++++---- fs/xfs/xfs_icache.c | 2 +- fs/xfs/xfs_icache.h | 1 + fs/xfs/xfs_inode.h | 3 +- fs/xfs/xfs_iomap.c | 171 +++++++++++++++ fs/xfs/xfs_iomap.h | 7 + fs/xfs/xfs_iops.c | 113 ++-------- fs/xfs/xfs_ondisk.h | 25 ++- fs/xfs/xfs_pnfs.c | 27 +-- fs/xfs/xfs_super.c | 13 +- fs/xfs/xfs_trace.h | 4 + include/linux/exportfs.h | 16 +- include/linux/iomap.h | 70 +++++++ 35 files changed, 1262 insertions(+), 962 deletions(-) create mode 100644 fs/iomap.c create mode 100644 include/linux/iomap.h --=20 Dave Chinner david@fromorbit.com --xHFwDpU9dbj6ez1V Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXadvcAAoJEK3oKUf0dfodOCwP/A/v/EkPWznzgoFP5+9f87VO i+PgKeaupZWg6GqLxvjg2s56RVZXB7nhAfmmssiPaZ/riB7JZvumKedrX7/2E7DY nkd7/O4nAY6ELW9kHzKsRUkaqzScpNBCrDRfjcGmCRC73sgrh2kfvetY8qgY6iXm oGUNb7T8IEXHPP6ZSeiP1AsaZjHkoEK/BOwScYHmiVhRfj80+Afd+1wOQh9wNexv XiRPrJ99oxXbQVLSWkEadu66S0bsvZb1TgV7h43/hsgXDne9JkTJGV/een9sgX2N Cg+GpHhGbcfpMJCNUtRM0XSRnEuLL3exyab1SefKzJLKo59AkOjziJMN1YNvO8br EOD18+VGCykwIeBN9PTZa1krHOpkcAFvcoUVQFZRtRey/0EyykK6Vh4f3CNjRPGr GcqPfIxB2qKhqRCEztoTDYiCb3p4bjiguMfEAz4qK6J/tQptte74X402caISLAbY 0wT9CnupBUUe0ZGUi1x9MI4VcLbBiWnVOW3B9CA6ApJqZzoOXQ++hALXJRX4I8Zs i+TDowiBwNNL55odniv1XC3Dlm/K4TkItl2ESB1GBr8Qn0c0nCsq93X9muC3NOyu oba/XwwkMoXcuYH4oNJYDtIS/KZ/rlrUJ/P78Qt72YQ9H0/YoF0mqotGmARl9j/F vwNcCGRp3mlIFp570ZHq =ahkn -----END PGP SIGNATURE----- --xHFwDpU9dbj6ez1V-- From david@fromorbit.com Tue Jun 21 20:03:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B704F7CA3 for ; Tue, 21 Jun 2016 20:03:28 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8774F8F8035 for ; Tue, 21 Jun 2016 18:03:25 -0700 (PDT) X-ASG-Debug-ID: 1466557402-04cbb027381a2d0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id GkDOMVdEEkIZRKTT for ; Tue, 21 Jun 2016 18:03:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AiDQDK4mlXEJgMLHlTCoM+gVOGb58wAQEBAQEBBow4ig+GEQQCAoE2TQEBAQEBAQcBAQEBAQEBAT5AhE0BAQQ6HCMQCAMOCgklDwUlAwcaExuIFMJaAQEBBwIlHoVBhRWEGIYDBZh8jiOPLY96glwcgV4qMopxAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 22 Jun 2016 10:33:21 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFWZc-0001lZ-DD; Wed, 22 Jun 2016 11:03:20 +1000 Date: Wed, 22 Jun 2016 11:03:20 +1000 From: Dave Chinner To: Michal Hocko Cc: Peter Zijlstra , "Darrick J. Wong" , Qu Wenruo , xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: Xfs lockdep warning with for-dave-for-4.6 branch Message-ID: <20160622010320.GR12670@dastard> X-ASG-Orig-Subj: Re: Xfs lockdep warning with for-dave-for-4.6 branch References: <20160520001714.GC26977@dastard> <20160601131758.GO26601@dhcp22.suse.cz> <20160601181617.GV3190@twins.programming.kicks-ass.net> <20160602145048.GS1995@dhcp22.suse.cz> <20160602151116.GD3190@twins.programming.kicks-ass.net> <20160602154619.GU1995@dhcp22.suse.cz> <20160602232254.GR12670@dastard> <20160606122022.GH11895@dhcp22.suse.cz> <20160615072154.GF26977@dastard> <20160621142628.GG30848@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160621142628.GG30848@dhcp22.suse.cz> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466557402 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3169 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30646 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 21, 2016 at 04:26:28PM +0200, Michal Hocko wrote: > On Wed 15-06-16 17:21:54, Dave Chinner wrote: > [...] > > Hopefully you can see the complexity of the issue - for an allocation > > in the bmap btree code that could occur outside both inside and > > outside of a transaction context, we've got to work out which of > > those ~60 high level entry points would need to be annotated. And > > then we have to ensure that in future we don't miss adding or > > removing an annotation as we change the code deep inside the btree > > implementation. It's the latter that is the long term maintainence > > problem the hihg-level annotation approach introduces. > > Sure I can see the complexity here. I might still see this over > simplified but I originally thought that the annotation would be used at > the highest level which never gets called from the transaction or other > NOFS context. So all the layers down would inherit that automatically. I > guess that such a place can be identified from the lockdep report by a > trained eye. Which, as I said before, effectively becomes "turn off lockdep reclaim context checking at all XFS entry points". Yes, we could do that, but it's a "big hammer" solution and there are more entry points than there are memory allocations that need annotations.... > > > > I think such an annotation approach really requires per-alloc site > > > > annotation, the reason for it should be more obvious from the > > > > context. e.g. any function that does memory alloc and takes an > > > > optional transaction context needs annotation. Hence, from an XFS > > > > perspective, I think it makes more sense to add a new KM_ flag to > > > > indicate this call site requirement, then jump through whatever > > > > lockdep hoop is required within the kmem_* allocation wrappers. > > > > e.g, we can ignore the new KM_* flag if we are in a transaction > > > > context and so the flag is only activated in the situations were > > > > we currently enforce an external GFP_NOFS context from the call > > > > site..... > > > > > > Hmm, I thought we would achive this by using the scope GFP_NOFS usage > > > which would mark those transaction related conctexts and no lockdep > > > specific workarounds would be needed... > > > > There are allocations outside transaction context which need to be > > GFP_NOFS - this is what KM_NOFS was originally intended for. > > Is it feasible to mark those by the scope NOFS api as well and drop > the direct KM_NOFS usage? This should help to identify those that are > lockdep only and use the annotation to prevent from the false positives. I don't understand what you are suggesting here. This all started because we use GFP_NOFS in a handful of places to shut up lockdep and you didn't want us to use GFP_NOFS like that. Now it sounds to me like you are advocating setting unconditional GFP_NOFS allocation contexts for entire XFS code paths - whether it's necessary or not - to avoid problems with lockdep false positives. I'm clearly not understanding something here.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Jun 21 20:43:03 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 50EF37CA3 for ; Tue, 21 Jun 2016 20:43:03 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id AC85BAC002 for ; Tue, 21 Jun 2016 18:42:59 -0700 (PDT) X-ASG-Debug-ID: 1466559776-04cbb027371bb70001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id b8pKdXImHb0UmRol for ; Tue, 21 Jun 2016 18:42:56 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2D2DQAQ7GlXEJgMLHldgz5WfYZvnzEBAQEBAQEGiEuDbYoPGoV3AgIBAQKBOE0BAQEBAQEHAQEBAQEBAQE+QIRNAQEEOhwjEAgDGAklDwUNGAMHGhOIFgMWvmUNg3UBAQgCASQehUGFFYJDh1gFmEg0hgiGK4FwgXONOoZRgTqHb4RWKjKKcQEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 22 Jun 2016 11:12:54 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFXBt-0001q0-B4; Wed, 22 Jun 2016 11:42:53 +1000 Date: Wed, 22 Jun 2016 11:42:53 +1000 From: Dave Chinner To: Reinoud Koornstra Cc: Eric Sandeen , Christoph Hellwig , Daniel Wagner , viro@zeniv.linux.org.uk, xfs@oss.sgi.com Subject: Re: crash in xfs in current Message-ID: <20160622014253.GS12670@dastard> X-ASG-Orig-Subj: Re: crash in xfs in current References: <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> <20160609022238.GY26977@dastard> <00bbe658-a891-3771-ca1d-5661a8b6ab61@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466559776 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1595 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30646 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 14, 2016 at 11:40:23PM -0600, Reinoud Koornstra wrote: > On Wed, Jun 8, 2016 at 9:42 PM, Reinoud Koornstra > wrote: > > On Wed, Jun 8, 2016 at 8:56 PM, Eric Sandeen wrote: > >> On 6/8/16 9:53 PM, Reinoud Koornstra wrote: > >> > >>>> In your Linus git tree: > >>>> > >>>> $ git remote add xfsdev git://git.kernel.org/git/dgc/linux-xfs.git > >>>> $ git remote update > >>>> $ git checkout -b xfsdev-merge v4.6 > >>>> $ git merge xfsdev/xfs-for-linus-4.7-rc1 > >>> > >>> Tried to do this: > >>> > >>> reinoud@router-dev:~/Downloads/kernel_current$ git remote add xfsdev > >>> git://git.kernel.org/git/dgc/linux-xfs.git > >> > >> I think that should be: > >> > >> git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git > > > > Ok That worked better indeed. :) > > I've tested the way you and Dave described. > Indeed, I do not see the issues appearing in that xfsdev tree. > So it works good there. > For verification, I tried when I was upon this state (so this is a good state): Ok, that's good to hear. Now for some more testing: Al Viro just pushed some fixes to the parallel lookup code that may fix this problem. Al asked this question: | Can that be triggered on 4e82901 + cherry-pick of e7d6ef979? | Same for 9f541801 + e7d6ef979? Those commits are all in the current Linus tree - would you be able to test them? (i.e. check out tree to 4e82901, then just cherry pick the single commit (e7d6ef979) on top of that). Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Tue Jun 21 21:04:01 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EFD5F7CA3 for ; Tue, 21 Jun 2016 21:04:00 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 56F0AAC002 for ; Tue, 21 Jun 2016 19:03:57 -0700 (PDT) X-ASG-Debug-ID: 1466561030-04cb6c063f13ea0001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id GdBwwgcuSsOy3y8b for ; Tue, 21 Jun 2016 19:03:51 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CEHQDh8GlXEJgMLHldgz4iNH2Gb58ZAhYBAQEBAQEGgQ+LKSqFXIQJFwOFdwICAYE5TQEBAQEBAQcBAQEBAQEBAT5AhSk7JDQFJQMHLYgvojWgTg4ehUGJJQ0KgmILQIJHBYgTkGmGCIgbgXNOhAWIZQKGUYkpggsLAQEBQxyBXioyiS0BJYEeAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 22 Jun 2016 11:32:44 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFXV5-0001tY-QM for xfs@oss.sgi.com; Wed, 22 Jun 2016 12:02:43 +1000 Date: Wed, 22 Jun 2016 12:02:43 +1000 From: Dave Chinner To: xfs@oss.sgi.com Subject: [ANNOUNCE] xfsprogs: master branch updated to v4.7.0-rc1 Message-ID: <20160622020243.GT12670@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfsprogs: master branch updated to v4.7.0-rc1 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="GxcwvYAGnODwn7V8" Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466561030 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4956 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30647 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --GxcwvYAGnODwn7V8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Folks, The xfsprogs repository at: git://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git has just been updated and tagged as v4.7.0-rc1. This is the first candidate release of v4.7.0 with the libxfs codebase up to date with the kernel 4.7-rc4 code base. Please test and report any problems you find. -Dave. The new head of the master branch is commit: fb2595e xfsprogs: Release v4.7-rc1 New Commits: Alex Lyakas (1): [4d9e732] xfs: optimise xfs_iext_destroy Bill O'Donnell (3): [82c3a17] libxcmd: generalize topology functions [1b1b535] xfs_repair: new secondary superblock search method [ef12e07] xfs_repair: further improvement on secondary superblock sea= rch method Brian Foster (5): [09c93e5] xfs_db: Revert "xfs_db: make check work for sparse inodes" [ea8a48f] xfs_check: process sparse inode chunks correctly [8359e0b] xfs: update freeblocks counter after extent deletion [01d1b78] xfs: refactor delalloc indlen reservation split into helper [731ccdf] xfs: borrow indirect blocks from freed extent when available Christoph Hellwig (9): [721948f] xfs.h: define XFS_IOC_FREEZE even if FIFREEZE is defined [2be9e93] linux.h: include [0268fdc] xfs: remove xfs_trans_get_block_res [d2fd405] xfs: always set rvalp in xfs_dir2_node_trim_free [219eec7] xfs: factor out a helper to initialize a local format inode= fork [4cab415] xfs: optimize inline symlinks [9074815] xfs: better xfs_trans_alloc interface [8e95425] xfs: remove transaction types [408c66d] xfs: improve kmem_realloc Darrick J. Wong (1): [d9b2595] xfs: fix computation of inode btree maxlevels Dave Chinner (3): [86769b3] xfs_db: allow recalculating CRCs on invalid metadata [0ebbf1d] db: limit AGFL bno array printing [fb2595e] xfsprogs: Release v4.7-rc1 Eric Sandeen (5): [027e6ef] xfs_db: defang frag command [a8b6f52] xfs_quota: check report_mount return value [ce211a6] mkfs.xfs: annotate fallthrough cases in cvtnum [f61be1b] xfs_quota: only round up timer reporting > 1 day [643f6ac] xfs_repair: set rsumino version to 2 Jan Tulak (4): [2942ff4] mkfs: fix -l su minval [0b514e3] mkfs: update manpage for -i size [ef92dd5] mkfs: better error with incorrect b/s value suffix usage [587636b] mkfs: test that -l su is a multiple of block size Kirill A. Shutemov (1): [b2327e1] mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release= } macros Luis de Bethencourt (1): [4d4a192] xfs: remove impossible condition Code Diffstat: Makefile | 3 +- VERSION | 4 +- configure.ac | 2 +- db/check.c | 274 ++++++++++++----------------------- db/fprint.c | 2 +- db/frag.c | 4 + db/io.c | 7 + db/io.h | 1 + db/print.c | 7 +- db/type.c | 137 ++++++++++-------- db/type.h | 2 + db/write.c | 59 ++++++-- debian/rules | 2 +- doc/CHANGES | 20 +++ include/Makefile | 1 + include/kmem.h | 2 +- include/libxcmd.h | 56 ++++++++ include/linux.h | 1 + include/xfs_trans.h | 7 +- libxcmd/Makefile | 2 +- libxcmd/topology.c | 342 ++++++++++++++++++++++++++++++++++++++++++= ++ libxfs/kmem.c | 2 +- libxfs/libxfs_api_defs.h | 1 - libxfs/libxfs_priv.h | 3 +- libxfs/trans.c | 53 +++---- libxfs/util.c | 5 +- libxfs/xfs_attr.c | 58 ++------ libxfs/xfs_bmap.c | 192 ++++++++++++++++--------- libxfs/xfs_bmap_btree.c | 4 +- libxfs/xfs_dir2_node.c | 4 +- libxfs/xfs_dir2_sf.c | 9 +- libxfs/xfs_fs.h | 8 +- libxfs/xfs_ialloc.c | 4 +- libxfs/xfs_inode_fork.c | 101 ++++++++----- libxfs/xfs_inode_fork.h | 1 + libxfs/xfs_log_format.h | 5 + libxfs/xfs_sb.c | 8 +- libxfs/xfs_shared.h | 102 +------------ libxlog/xfs_log_recover.c | 2 +- man/man8/mkfs.xfs.8 | 2 +- mkfs/Makefile | 4 +- mkfs/proto.c | 51 ++++--- mkfs/xfs_mkfs.c | 380 ++++++------------------------------------= ------- quota/report.c | 6 +- quota/util.c | 12 ++ repair/Makefile | 5 +- repair/phase5.c | 8 +- repair/phase6.c | 85 ++++------- repair/phase7.c | 4 +- repair/sb.c | 122 ++++++++++++---- 50 files changed, 1142 insertions(+), 1034 deletions(-) create mode 100644 include/libxcmd.h create mode 100644 libxcmd/topology.c --=20 Dave Chinner david@fromorbit.com --GxcwvYAGnODwn7V8 Content-Type: application/pgp-signature; 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charset=UTF-8 X-Barracuda-Connect: mail-pf0-f195.google.com[209.85.192.195] X-Barracuda-Start-Time: 1466563852 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 881 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MAILTO_TO_SPAM_ADDR X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30648 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 MAILTO_TO_SPAM_ADDR URI: Includes a link to a likely spammer email Spacebars are converted to tabs Signed-off-by: Kaho Ng --- fs/xfs/libxfs/xfs_btree.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 1f88e1c..41724be 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -543,12 +543,12 @@ xfs_btree_ptr_addr( */ STATIC struct xfs_btree_block * xfs_btree_get_iroot( - struct xfs_btree_cur *cur) + struct xfs_btree_cur *cur) { - struct xfs_ifork *ifp; + struct xfs_ifork *ifp; - ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur->bc_private.b.whichfork); - return (struct xfs_btree_block *)ifp->if_broot; + ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur->bc_private.b.whichfork); + return (struct xfs_btree_block *)ifp->if_broot; } /* -- 2.9.0 From ngkaho1234@gmail.com Tue Jun 21 23:11:43 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C7A747CA3 for ; Tue, 21 Jun 2016 23:11:43 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4297DAC001 for ; Tue, 21 Jun 2016 21:11:43 -0700 (PDT) X-ASG-Debug-ID: 1466568700-04cbb0273721610001-NocioJ Received: from mail-pa0-f65.google.com (mail-pa0-f65.google.com [209.85.220.65]) by cuda.sgi.com with ESMTP id Bl0Okn1be2tlxf1D (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; 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[119.246.3.29]) by smtp.googlemail.com with ESMTPSA id x67sm99254550pff.47.2016.06.21.21.11.38 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 21 Jun 2016 21:11:39 -0700 (PDT) Message-ID: <1466568697.14061.1.camel@gmail.com> Subject: [PATCH v2] xfs: indentation fix in xfs_btree_get_iroot() From: Kaho Ng X-ASG-Orig-Subj: [PATCH v2] xfs: indentation fix in xfs_btree_get_iroot() To: "xfs@oss.sgi.com" Cc: david@fromorbit.com Date: Wed, 22 Jun 2016 12:11:37 +0800 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.3 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: mail-pa0-f65.google.com[209.85.220.65] X-Barracuda-Start-Time: 1466568701 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1040 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MAILTO_TO_SPAM_ADDR X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30649 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 MAILTO_TO_SPAM_ADDR URI: Includes a link to a likely spammer email The indentation in this function is different from the other functions. Those spacebars are converted to tabs to improve readability. Signed-off-by: Kaho Ng --- fs/xfs/libxfs/xfs_btree.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 1f88e1c..4f84dde 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -543,12 +543,12 @@ xfs_btree_ptr_addr( */ STATIC struct xfs_btree_block * xfs_btree_get_iroot( -       struct xfs_btree_cur    *cur) + struct xfs_btree_cur *cur) { -       struct xfs_ifork        *ifp; + struct xfs_ifork *ifp; -       ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur- >bc_private.b.whichfork); -       return (struct xfs_btree_block *)ifp->if_broot; + ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur- >bc_private.b.whichfork); + return (struct xfs_btree_block *)ifp->if_broot; } /* -- 2.9.0 From fengguang.wu@intel.com Wed Jun 22 01:03:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.9 required=5.0 tests=MISSING_HEADERS autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E661C7CA1 for ; Wed, 22 Jun 2016 01:03:27 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id A72B8304039 for ; Tue, 21 Jun 2016 23:03:24 -0700 (PDT) X-ASG-Debug-ID: 1466575399-04bdf05e6e240e0001-NocioJ Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by cuda.sgi.com with ESMTP id hXR6X42jGCftxE2Z for ; Tue, 21 Jun 2016 23:03:19 -0700 (PDT) X-Barracuda-Envelope-From: fengguang.wu@intel.com X-Barracuda-Effective-Source-IP: mga03.intel.com[134.134.136.65] X-Barracuda-Apparent-Source-IP: 134.134.136.65 X-ASG-Whitelist: Client Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP; 21 Jun 2016 23:03:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,508,1459839600"; d="gz'50?scan'50,208,50";a="980900652" Received: from bee.sh.intel.com (HELO bee) ([10.239.97.14]) by orsmga001.jf.intel.com with ESMTP; 21 Jun 2016 23:02:56 -0700 Received: from kbuild by bee with local (Exim 4.83) (envelope-from ) id 1bFbFO-000XLv-GK; Wed, 22 Jun 2016 14:02:46 +0800 Date: Wed, 22 Jun 2016 14:06:49 +0800 From: kbuild test robot Cc: kbuild-all@01.org, xfs@oss.sgi.com, Dave Chinner , "Darrick J. Wong" , Christoph Hellwig Subject: [xfs:xfs-4.8-misc-fixes-2 3/9] fs/xfs/xfs_ondisk.h:116:2: error: call to '__compiletime_assert_116' declared with attribute error: XFS: offsetof(xfs_dir2_sf_entry_t, offset) is wrong, expected 1 Message-ID: <201606221448.UGgis4S6%fengguang.wu@intel.com> X-ASG-Orig-Subj: [xfs:xfs-4.8-misc-fixes-2 3/9] fs/xfs/xfs_ondisk.h:116:2: error: call to '__compiletime_assert_116' declared with attribute error: XFS: offsetof(xfs_dir2_sf_entry_t, offset) is wrong, expected 1 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="wRRV7LY7NUeQGEoC" Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false X-Barracuda-Connect: mga03.intel.com[134.134.136.65] X-Barracuda-Start-Time: 1466575399 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2450 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 --wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git xfs-4.8-misc-fixes-2 head: 19b54ee66c4c5de8f8db74d5914d9a97161460bf commit: 3f94c441e2c3dea029a46a2326b2170acf2c7713 [3/9] xfs: check offsets of variable length structures config: openrisc-allmodconfig (attached as .config) compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 3f94c441e2c3dea029a46a2326b2170acf2c7713 # save the attached .config to linux build tree make.cross ARCH=openrisc All errors (new ones prefixed by >>): In file included from fs/xfs/xfs_super.c:48:0: In function 'xfs_check_ondisk_structs', inlined from 'init_xfs_fs' at fs/xfs/xfs_super.c:1855:26: fs/xfs/xfs_ondisk.h:114:2: error: call to '__compiletime_assert_114' declared with attribute error: XFS: sizeof(xfs_dir2_sf_entry_t) is wrong, expected 3 >> fs/xfs/xfs_ondisk.h:116:2: error: call to '__compiletime_assert_116' declared with attribute error: XFS: offsetof(xfs_dir2_sf_entry_t, offset) is wrong, expected 1 >> fs/xfs/xfs_ondisk.h:117:2: error: call to '__compiletime_assert_117' declared with attribute error: XFS: offsetof(xfs_dir2_sf_entry_t, name) is wrong, expected 3 fs/xfs/xfs_ondisk.h:118:2: error: call to '__compiletime_assert_118' declared with attribute error: XFS: sizeof(xfs_dir2_sf_hdr_t) is wrong, expected 10 vim +/__compiletime_assert_116 +116 fs/xfs/xfs_ondisk.h 108 XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino8_t, 8); 109 XFS_CHECK_STRUCT_SIZE(xfs_dir2_inou_t, 8); 110 XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_entry_t, 8); 111 XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_hdr_t, 16); 112 XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16); 113 XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t, 4); > 114 XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t, 3); 115 XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, namelen, 0); > 116 XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); > 117 XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); 118 XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); 119 XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t, 2); 120 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --wRRV7LY7NUeQGEoC Content-Type: application/octet-stream Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICC0palcAAy5jb25maWcAlFxLd9u4kt7fX6GTnsXM4nbiR9S5M8cLkARFtEiCJkBZ9oZH cZS0T9uWjyX33Pz7qQJJsfCg3LOy+X2FN6pQVQT1yz9+mbG3w+5pc3i43zw+/pz92D5vXzeH 7bfZ94fH7f/MEjkrpZ7xROhfQTh/eH7798fdy/b59WF/P7v89bdfP/3z9f5stty+Pm8fZ/Hu +fvDjzeo4WH3/I9f/hHLMhWLVla8rIWKr34OSFE040N9o3jRLnjJaxG3qhJlLuMl8L/MLIl1 nC1YkrQsX8ha6KyYPexnz7vDbL89DHUNtWQ3XCwyPTZSylbISta6LVg1wrpmMW9FfZ3mbKFa 1VQoM/JDfbFqihFNeNr/lwulrz58fHz4+vFp9+3tcbv/+B9NyQre1jznTPGPv96bSfkwlIU/ 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tYnnCuyQLBt37dmpaKwS8fIIiteOw7j54MBGjGRSWTKJQZMhHyUGvAPiyk2/gLB0GaXpG4I7 xs+jEzLNz1MzN8y4wSvY/6GaT5oQpFmdcQ0IIUawsMQZQuTBCl43XrdCZiBUqscptZ7J1cwj CTIMDhOj9Eia9HXGYj5mi73uSKZuNvsXIa9lq6gRKm9twvjhoOLZMDByxTSL/MfeJyEqwnZd Gq4kW7hecpHAUTV1pS3ujSEfovEu4y9RK/V5fIEGL2kBmZWilLW56QZsw/OWEtRc31rAMG3y wG68wmt8UzHHGou43kdXJoz+UjW/ADKTvLKnnawXSlhTzABKe0hJWuWgBth9t2Ynj0AQneQ8 9vMSNIPrHstqVmMl69gXgduGIFEzjQf/wrIHJT43lVr+AzuRg6OpSwIA --wRRV7LY7NUeQGEoC-- From david@fromorbit.com Wed Jun 22 01:39:53 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 92FBB7CA3 for ; Wed, 22 Jun 2016 01:39:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id E2F26AC002 for ; Tue, 21 Jun 2016 23:39:49 -0700 (PDT) X-ASG-Debug-ID: 1466577586-04cbb0273626220001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id LvQftz0TtDpMGNMj for ; Tue, 21 Jun 2016 23:39:47 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2A4DgCnMWpXEJgMLHlegz6BU4ZvnzcGiEuDbYNhgiWECYYRAgIBAQKBME0BAQEBAQEHAQEBAQEBAj5AhE0BAQQnCwEjIxAIAxgJJQ8FDRgDBxoTiBYDFr5wDYN1AQEBBwIBJB6FQYQSgQOCQ4FPEQGFdwEEmEg0jDOBcI8tSIdEh2+EVioyiS0HCBeBHgEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 22 Jun 2016 16:09:45 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFbpA-0002Kn-0e; Wed, 22 Jun 2016 16:39:44 +1000 Date: Wed, 22 Jun 2016 16:39:43 +1000 From: Dave Chinner To: Kaho Ng Cc: "xfs@oss.sgi.com" Subject: Re: [PATCH v2] xfs: indentation fix in xfs_btree_get_iroot() Message-ID: <20160622063943.GU12670@dastard> X-ASG-Orig-Subj: Re: [PATCH v2] xfs: indentation fix in xfs_btree_get_iroot() References: <1466568697.14061.1.camel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1466568697.14061.1.camel@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466577586 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1638 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MAILTO_TO_SPAM_ADDR X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30651 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 MAILTO_TO_SPAM_ADDR URI: Includes a link to a likely spammer email On Wed, Jun 22, 2016 at 12:11:37PM +0800, Kaho Ng wrote: > The indentation in this function is different from the other functions. > Those spacebars are converted to tabs to improve readability. > > Signed-off-by: Kaho Ng > --- > �fs/xfs/libxfs/xfs_btree.c | 8 ++++---- > �1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index 1f88e1c..4f84dde 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -543,12 +543,12 @@ xfs_btree_ptr_addr( > � */ > �STATIC struct xfs_btree_block * > �xfs_btree_get_iroot( > -��struct xfs_btree_cur��*cur) > + struct xfs_btree_cur *cur) > �{ > -��struct xfs_ifork��*ifp; > + struct xfs_ifork *ifp; > � > -��ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur- > >bc_private.b.whichfork); > -��return (struct xfs_btree_block *)ifp->if_broot; > + ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur- > >bc_private.b.whichfork); > + return (struct xfs_btree_block *)ifp->if_broot; > �} That's better, but your mailer is still doing weird things to the patch. It line wrapped it this time, and converted all the spaces to some wierd multi-byte character instead of a plain ascii space. What you should do is send the patch to yourself, extract it from the email you receive, and try to apply it to a clean tree. If you can do that, then the patch is not getting mangled when you send it. See Documentation/SubmittingPatches and Documentation/email-clients.txt for help. Cheers, Dave. -- Dave Chinner david@fromorbit.com From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 02:42:39 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8A2C87CA3 for ; Wed, 22 Jun 2016 02:42:39 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 04061AC003 for ; Wed, 22 Jun 2016 00:42:35 -0700 (PDT) X-ASG-Debug-ID: 1466581352-04cbb0273528600001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id 3OHdHFQpatoRUfTA (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 00:42:33 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFcnu-0003bT-4H; Wed, 22 Jun 2016 07:42:30 +0000 Date: Wed, 22 Jun 2016 00:42:30 -0700 From: Christoph Hellwig To: kbuild test robot Cc: "Darrick J. Wong" , kbuild-all@01.org, jonas@southpole.se, xfs@oss.sgi.com Subject: Re: [xfs:xfs-4.8-misc-fixes-2 3/9] fs/xfs/xfs_ondisk.h:116:2: error: call to '__compiletime_assert_116' declared with attribute error: XFS: offsetof(xfs_dir2_sf_entry_t, offset) is wrong, expected 1 Message-ID: <20160622074230.GA9508@infradead.org> X-ASG-Orig-Subj: Re: [xfs:xfs-4.8-misc-fixes-2 3/9] fs/xfs/xfs_ondisk.h:116:2: error: call to '__compiletime_assert_116' declared with attribute error: XFS: offsetof(xfs_dir2_sf_entry_t, offset) is wrong, expected 1 References: <201606221448.UGgis4S6%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201606221448.UGgis4S6%fengguang.wu@intel.com> User-Agent: Mutt/1.6.1 (2016-04-27) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466581353 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4235 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30653 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS On Wed, Jun 22, 2016 at 02:06:49PM +0800, kbuild test robot wrote: > config: openrisc-allmodconfig (attached as .config) > compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1 This looks openrisc copied it's weird packing rules from the old ARM ABI and would need to define __arch_pack similar to ARM. Alternatively we could try to get rid of our struct types that wrap the char arrays for the unaligned fields. For the SF dir offset that would looks something like this (untested): diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h index 8d4d8bc..e1d8e59 100644 --- a/fs/xfs/libxfs/xfs_da_format.h +++ b/fs/xfs/libxfs/xfs_da_format.h @@ -192,12 +192,6 @@ typedef __uint16_t xfs_dir2_data_off_t; typedef uint xfs_dir2_data_aoff_t; /* argument form */ /* - * Normalized offset (in a data block) of the entry, really xfs_dir2_data_off_t. - * Only need 16 bits, this is the byte offset into the single block form. - */ -typedef struct { __uint8_t i[2]; } __arch_pack xfs_dir2_sf_off_t; - -/* * Offset in data space of a data entry. */ typedef __uint32_t xfs_dir2_dataptr_t; @@ -251,7 +245,7 @@ typedef struct xfs_dir2_sf_hdr { typedef struct xfs_dir2_sf_entry { __u8 namelen; /* actual name length */ - xfs_dir2_sf_off_t offset; /* saved offset */ + __u8 offset[2]; /* saved offset */ __u8 name[]; /* name, variable size */ /* * A single byte containing the file type field follows the inode @@ -272,13 +266,13 @@ static inline int xfs_dir2_sf_hdr_size(int i8count) static inline xfs_dir2_data_aoff_t xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep) { - return get_unaligned_be16(&sfep->offset.i); + return get_unaligned_be16(sfep->offset); } static inline void xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep, xfs_dir2_data_aoff_t off) { - put_unaligned_be16(off, &sfep->offset.i); + put_unaligned_be16(off, sfep->offset); } static inline struct xfs_dir2_sf_entry * diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c index e5bb9cc..18cc6c7 100644 --- a/fs/xfs/libxfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -126,11 +126,10 @@ xfs_dir2_block_sfsize( /* * Calculate the new size, see if we should give up yet. */ - size = xfs_dir2_sf_hdr_size(i8count) + /* header */ - count + /* namelen */ - count * (uint)sizeof(xfs_dir2_sf_off_t) + /* offset */ - namelen + /* name */ - (i8count ? /* inumber */ + size = xfs_dir2_sf_hdr_size(i8count) + /* header */ + count * 3 * sizeof(u8) + /* namelen + offset */ + namelen + /* name */ + (i8count ? /* inumber */ (uint)sizeof(xfs_dir2_ino8_t) * count : (uint)sizeof(xfs_dir2_ino4_t) * count); if (size > XFS_IFORK_DSIZE(dp)) @@ -1048,7 +1047,8 @@ xfs_dir2_sf_toino4( i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep), oldsfep = dp->d_ops->sf_nextentry(oldsfp, oldsfep)) { sfep->namelen = oldsfep->namelen; - sfep->offset = oldsfep->offset; + sfep->offset[0] = oldsfep->offset[0]; + sfep->offset[1] = oldsfep->offset[1]; memcpy(sfep->name, oldsfep->name, sfep->namelen); dp->d_ops->sf_put_ino(sfp, sfep, dp->d_ops->sf_get_ino(oldsfp, oldsfep)); @@ -1124,7 +1124,8 @@ xfs_dir2_sf_toino8( i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep), oldsfep = dp->d_ops->sf_nextentry(oldsfp, oldsfep)) { sfep->namelen = oldsfep->namelen; - sfep->offset = oldsfep->offset; + sfep->offset[0] = oldsfep->offset[0]; + sfep->offset[1] = oldsfep->offset[1]; memcpy(sfep->name, oldsfep->name, sfep->namelen); dp->d_ops->sf_put_ino(sfp, sfep, dp->d_ops->sf_get_ino(oldsfp, oldsfep)); diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index 0272301..3cbc1f8 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -116,7 +116,6 @@ xfs_check_ondisk_structs(void) XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t, 2); /* log structures */ XFS_CHECK_STRUCT_SIZE(struct xfs_dq_logformat, 24); From cmaiolino@redhat.com Wed Jun 22 03:03:34 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0510C7CA3 for ; Wed, 22 Jun 2016 03:03:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id CC0F88F8035 for ; Wed, 22 Jun 2016 01:03:30 -0700 (PDT) X-ASG-Debug-ID: 1466582609-04cb6c063e1bd90001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id i30ZpFMWbJC5Njme (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 22 Jun 2016 01:03:29 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 33E6D8F232 for ; Wed, 22 Jun 2016 08:03:29 +0000 (UTC) Received: from redhat.com (unused [10.10.51.227] (may be forged)) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5M83PTV029362 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 22 Jun 2016 04:03:28 -0400 Date: Wed, 22 Jun 2016 10:03:24 +0200 From: Carlos Maiolino To: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Message-ID: <20160622080324.GG28212@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Mail-Followup-To: xfs@oss.sgi.com References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> <1466441562-12317-3-git-send-email-bfoster@redhat.com> <20160621090153.GB28212@redhat.com> <20160621232940.GQ12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160621232940.GQ12670@dastard> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 22 Jun 2016 08:03:29 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466582609 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2715 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Jun 22, 2016 at 09:29:40AM +1000, Dave Chinner wrote: > On Tue, Jun 21, 2016 at 08:54:04AM -0500, Eric Sandeen wrote: > > > > > > On 6/21/16 4:01 AM, Carlos Maiolino wrote: > > > On Mon, Jun 20, 2016 at 12:52:42PM -0400, Brian Foster wrote: > > >> Update the inode btree scanning functions to process sparse inode chunks > > >> correctly. For filesystems with sparse inode support enabled, process > > >> each chunk a cluster at a time. Each cluster is checked against the > > >> inobt record to determine if it is a hole and skipped if so. > > >> > > >> Note that since xfs_check is deprecated in favor of xfs_repair, this > > >> adds the minimum support necessary to process sparse inode enabled > > >> filesystems. In other words, this adds no sparse inode specific checks > > >> or verifications. We only update the inobt scanning functions to extend > > >> the existing level of verification to sparse inode enabled filesystems > > >> (e.g., avoid incorrectly tracking sparse regions as inodes). Problems > > >> or corruptions associated with sparse inode records must be detected and > > >> recovered via xfs_repair. > > >> > > > > > > Hi, > > > > > > I'm not quite sure, but a while ago, I thought I've heard some rumors about > > > deprecating xfs_check, is this true or something that my mind made up for some > > > weird reason? > > > > Yes, like Brian said above. ;) > > > > bfc541e xfsprogs: remove xfs_check > > 12a48f5 xfsprogs: remove xfs_check references from fsck.xfs script & manpage > > > > However, we still run check inside xfs_db in xfstests as an independent > > verification step: > > > > 187bccd xfstests: Remove dependence of xfs_check script > > > > +# xfs_check script is planned to be deprecated. But, we want to > > +# be able to invoke "xfs_check" behavior in xfstests in order to > > +# maintain the current verification levels. > > +_xfs_check() > > Right - it's a secondary set of code that effectively tells us > whether repair is detecting all the problems it should. i.e. if > check fails and repair doesn't, then we've got a bug in repair that > needs fixing. > Just out of curiosity here, have we hit any case like that for the past few versions? > Also, the check code is really just an "addon" to other > functionality in xfs_db (e.g. blockget) that we have to keep, so > removing check doesn't really gain us all that much in terms of > reduced maintenance overhead. So long as we can easily keep check up > to date with new features I think we shoul dbe keeping it... > Good to know. Cheers o/ > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com > -- Carlos From cmaiolino@redhat.com Wed Jun 22 03:23:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 5B3777CA1 for ; Wed, 22 Jun 2016 03:23:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 2D122304032 for ; Wed, 22 Jun 2016 01:23:39 -0700 (PDT) X-ASG-Debug-ID: 1466583817-04cb6c063d1c240001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id GOiclbrQccDHQ0eb (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 22 Jun 2016 01:23:38 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6E63F3F729; Wed, 22 Jun 2016 08:23:37 +0000 (UTC) Received: from redhat.com (unused [10.10.51.227] (may be forged)) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5M8NWWN015471 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 22 Jun 2016 04:23:35 -0400 Date: Wed, 22 Jun 2016 10:23:32 +0200 From: Carlos Maiolino To: Dave Chinner Cc: Kaho Ng , "xfs@oss.sgi.com" Subject: Re: [PATCH v2] xfs: indentation fix in xfs_btree_get_iroot() Message-ID: <20160622082332.GH28212@redhat.com> X-ASG-Orig-Subj: Re: [PATCH v2] xfs: indentation fix in xfs_btree_get_iroot() Mail-Followup-To: Dave Chinner , Kaho Ng , "xfs@oss.sgi.com" References: <1466568697.14061.1.camel@gmail.com> <20160622063943.GU12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20160622063943.GU12670@dastard> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 22 Jun 2016 08:23:37 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466583818 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2081 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Jun 22, 2016 at 04:39:43PM +1000, Dave Chinner wrote: > On Wed, Jun 22, 2016 at 12:11:37PM +0800, Kaho Ng wrote: > > The indentation in this function is different from the other functions. > > Those spacebars are converted to tabs to improve readability. > > > > Signed-off-by: Kaho Ng > > --- > > �fs/xfs/libxfs/xfs_btree.c | 8 ++++---- > > �1 file changed, 4 insertions(+), 4 deletions(-) > > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > index 1f88e1c..4f84dde 100644 > > --- a/fs/xfs/libxfs/xfs_btree.c > > +++ b/fs/xfs/libxfs/xfs_btree.c > > @@ -543,12 +543,12 @@ xfs_btree_ptr_addr( > > � */ > > �STATIC struct xfs_btree_block * > > �xfs_btree_get_iroot( > > -��struct xfs_btree_cur��*cur) > > + struct xfs_btree_cur *cur) > > �{ > > -��struct xfs_ifork��*ifp; > > + struct xfs_ifork *ifp; > > � > > -��ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur- > > >bc_private.b.whichfork); > > -��return (struct xfs_btree_block *)ifp->if_broot; > > + ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur- > > >bc_private.b.whichfork); > > + return (struct xfs_btree_block *)ifp->if_broot; > > �} > > That's better, but your mailer is still doing weird things to the > patch. It line wrapped it this time, and converted all the spaces to > some wierd multi-byte character instead of a plain ascii space. > > What you should do is send the patch to yourself, extract it from > the email you receive, and try to apply it to a clean tree. If you > can do that, then the patch is not getting mangled when you send it. > See Documentation/SubmittingPatches and > Documentation/email-clients.txt for help. > This is a problem when sending patches from a gmail account. It's converted to a base64 format, instead of pure clean text. I'd setup git to send the patch through the gmail smtp using git send-email. So it won't screw up with the file format. Well, at least, that's what I do when I need to send patches through a gmail account :) -- Carlos From advoynyakova@list.ru Wed Jun 22 03:33:18 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.6 required=5.0 tests=HTML_MESSAGE,MIME_HTML_MOSTLY, MPART_ALT_DIFF autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2F98D7CA1 for ; Wed, 22 Jun 2016 03:33:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8C6EAAC002 for ; Wed, 22 Jun 2016 01:33:14 -0700 (PDT) X-ASG-Debug-ID: 1466584380-04cbb0273829c60001-NocioJ Received: from mxs.mail.ru (91-220-97-217.ip.startechnology.pl [91.220.97.217]) by cuda.sgi.com with ESMTP id HGHQhuK7Fnfi6PlK for ; Wed, 22 Jun 2016 01:33:04 -0700 (PDT) X-Barracuda-Envelope-From: advoynyakova@list.ru X-Barracuda-Effective-Source-IP: 91-220-97-217.ip.startechnology.pl[91.220.97.217] X-Barracuda-Apparent-Source-IP: 91.220.97.217 Message-ID: From: "=?utf-8?B?0KPQv9GA0LDQstC70LXQvdC40LUg0L/QtdGA0YHQvtC90LDQu9C+0Lw=?=" To: Subject: =?utf-8?B?0KPQv9GA0LDQstC70LXQvdC40LUg0L/QtdGA0YHQvtC90LDQu9C+0LwuINCa0LDQtNGA0YsuINCi0YDRg9C00L7QstCw0Y8g0LjQvdGB0L/QtdC60YbQuNGPLg==?= Date: Wed, 22 Jun 2016 11:33:05 +0300 X-ASG-Orig-Subj: =?utf-8?B?0KPQv9GA0LDQstC70LXQvdC40LUg0L/QtdGA0YHQvtC90LDQu9C+0LwuINCa0LDQtNGA0YsuINCi0YDRg9C00L7QstCw0Y8g0LjQvdGB0L/QtdC60YbQuNGPLg==?= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_008C_01D1CC79.D7DF4DA0" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3555.308 X-MimeOLE: Produced By Microsoft MimeOLE V15.4.3555.308 X-Barracuda-Connect: 91-220-97-217.ip.startechnology.pl[91.220.97.217] X-Barracuda-Start-Time: 1466584381 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9330 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.74 X-Barracuda-Spam-Status: No, SCORE=0.74 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, HTML_MESSAGE, MIME_HTML_MOSTLY, MPART_ALT_DIFF, RDNS_DYNAMIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30654 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 MIME_HTML_MOSTLY BODY: Multipart message mostly text/html MIME 0.00 HTML_MESSAGE BODY: HTML included in message 0.14 MPART_ALT_DIFF BODY: HTML and text parts are different 0.10 RDNS_DYNAMIC Delivered to trusted network by host with dynamic-looking rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 �� MIME. ------=_NextPart_000_008C_01D1CC79.D7DF4DA0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable =20 =20 ------=_NextPart_000_008C_01D1CC79.D7DF4DA0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

30 =D0=B8=D1=8E=D0=BD=D1=8F = =E2=80=93 1 =D0=B8=D1=8E=D0=BB=D1=8F | =D0=B3. = =D0=9C=D0=BE=D1=81=D0=BA=D0=B2=D0=B0=20 | = =D0=90=D1=80=D1=82=D0=B8=D0=BA=D1=83=D0=BB:=20 433

=D0=90=D0=BA=D0=BA=D1=80=D0=B5=D0=B4=D0=B8=D1=82=D0=BE=D0=B2= =D0=B0=D0=BD=D0=BD=D1=8B=D0=B9 = =D0=A3=D1=87=D0=B5=D0=B1=D0=BD=D1=8B=D0=B9 = =D1=86=D0=B5=D0=BD=D1=82=D1=80 = =D0=BF=D1=80=D0=B8=D0=B3=D0=BB=D0=B0=D1=88=D0=B0=D0=B5=D1=82 = =D0=BD=D0=B0 =D0=BE=D0=B1=D1=83=D1=87=D0=B5=D0=BD=D0=B8=D0=B5 =D0=BF=D0=BE = =D1=82=D0=B5=D0=BC=D0=B5:

=D0=9A=D0=B0=D0=B4=D1=80=D0=BE=D0=B2=D0=BE=D0=B5=20 = =D0=B4=D0=B5=D0=BB=D0=BE=D0=BF=D1=80=D0=BE=D0=B8=D0=B7=D0=B2=D0=BE=D0=B4=D1= =81=D1=82=D0=B2=D0=BE:
=D0=B1=D0=B5=D0=B7 = =D0=BE=D1=88=D0=B8=D0=B1=D0=BE=D0=BA =D0=B8 = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BE=D0=BA

=D0=A7=D0=B0=D1=81=D1=8B=20 =D0=B7=D0=B0=D0=BD=D1=8F=D1=82=D0=B8=D0=B9: c 10:00 =D0=B4=D0=BE=20 17:30

=D0=9C=D0=B5=D1=81=D1=82=D0=BE = =D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8F: = =D1=83=D0=BB. = =D0=91=D0=B0=D1=83=D0=BC=D0=B0=D0=BD=D1=81=D0=BA=D0=B0=D1=8F, =D0=B4.6, = =D0=B1=D0=B8=D0=B7=D0=BD=D0=B5=D1=81 =D1=86=D0=B5=D0=BD=D1=82=D1=80=20 "=D0=92=D0=B8=D0=BA=D1=82=D0=BE=D1=80=D0=B8=D1=8F = =D0=9F=D0=BB=D0=B0=D0=B7=D0=B0".

=D0=9F=D0=BE=D0=BB=D0=BD=D0=B0=D1=8F = =D0=BF=D1=80=D0=BE=D0=B3=D1=80=D0=B0=D0=BC=D0=BC=D0=B0 =D0=B8=20 = =D0=B4=D0=BE=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D0= =B0=D1=8F =D0=B8=D0=BD=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=86=D0=B8=D1=8F = =D0=BF=D0=BE =D1=82=D0=B5=D0=BB.:
8 =D0=BA=D0=BE=D0=B4 = =D0=B3=D0=BE=D1=80=D0=BE=D0=B4=D0=B0=20 =D0=9C=D0=BE=D1=81=D0=BA=D0=B2=D1=8B (495) =D1=82=D0=B5=D0=BB.:=20 961 = -=20 00=20 -=20 38=20 = (=D0=BC=D0=BD=D0=BE=D0=B3=D0=BE=D0=BA=D0=B0=D0=BD=D0=B0=D0=BB=D1=8C=D0=BD= =D1=8B=D0=B9)

* *=20 *

=D0=A1=D0=BE=D0=B4=D0=B5=D1=80=D0=B6=D0=B0=D0=BD=D0=B8=D0=B5= =20 =D0=BF=D1=80=D0=BE=D0=B3=D1=80=D0=B0=D0=BC=D0=BC=D1=8B:

=D0=9B=D0=BE=D0=BA=D0=B0=D0=BB=D1=8C=D0=BD=D1=8B=D0=B5= =D0=BD=D0=BE=D1=80=D0=BC=D0=B0=D1=82=D0=B8=D0=B2=D0=BD=D1=8B=D0=B5 = =D0=B0=D0=BA=D1=82=D1=8B=20 (=D0=9B=D0=9D=D0=90): =D0=BF=D0=BE=D1=80=D1=8F=D0=B4=D0=BE=D0=BA = =D1=80=D0=B0=D0=B7=D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=BA=D0=B8 =D0=B8 = =D0=B2=D0=BD=D0=B5=D0=B4=D1=80=D0=B5=D0=BD=D0=B8=D1=8F. =
    =20 = =D0=9E=D0=B1=D1=8F=D0=B7=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1=8B=D0=B5 = =D0=9B=D0=9D=D0=90, =D0=BF=D0=BE=D1=80=D1=8F=D0=B4=D0=BE=D0=BA = =D1=80=D0=B0=D0=B7=D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=BA=D0=B8 =D0=B8 = =D0=B2=D0=BD=D0=B5=D1=81=D0=B5=D0=BD=D0=B8=D1=8F = =D0=B8=D0=B7=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D0=B9: = =D1=88=D1=82=D0=B0=D1=82=D0=BD=D0=BE=D0=B5=20 =D1=80=D0=B0=D1=81=D0=BF=D0=B8=D1=81=D0=B0=D0=BD=D0=B8=D0=B5, =
     =D0=BF=D1=80=D0=B0=D0=B2=D0=B8=D0=BB=D0=B0 = =D0=B2=D0=BD=D1=83=D1=82=D1=80=D0=B5=D0=BD=D0=BD=D0=B5=D0=B3=D0=BE = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D0=BE=D0=B3=D0=BE=20 =D1=80=D0=B0=D1=81=D0=BF=D0=BE=D1=80=D1=8F=D0=B4=D0=BA=D0=B0, = =D0=BF=D0=BE=D0=BB=D0=BE=D0=B6=D0=B5=D0=BD=D0=B8=D0=B5 =D0=BE = =D0=B7=D0=B0=D1=89=D0=B8=D1=82=D0=B5 = =D0=BF=D0=B5=D1=80=D1=81=D0=BE=D0=BD=D0=B0=D0=BB=D1=8C=D0=BD=D1=8B=D1=85 = =D0=B4=D0=B0=D0=BD=D0=BD=D1=8B=D1=85,=20
     =D0=B3=D1=80=D0=B0=D1=84=D0=B8=D0=BA = =D0=BE=D1=82=D0=BF=D1=83=D1=81=D0=BA=D0=BE=D0=B2.
   &n= bsp;=20 = =D0=9D=D0=B5=D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1= =8B=D0=B5 =D0=9B=D0=9D=D0=90: = =D0=B8=D0=BD=D1=81=D1=82=D1=80=D1=83=D0=BA=D1=86=D0=B8=D1=8F = =D0=BF=D0=BE =D0=BA=D0=B0=D0=B4=D1=80=D0=BE=D0=B2=D0=BE=D0=BC=D1=83 = =D0=B4=D0=B5=D0=BB=D0=BE=D0=BF=D1=80=D0=BE=D0=B8=D0=B7=D0=B2=D0=BE=D0=B4=D1= =81=D1=82=D0=B2=D1=83, = =D0=BF=D0=BE=D0=BB=D0=BE=D0=B6=D0=B5=D0=BD=D0=B8=D0=B5 =D0=BE=20
     = =D0=BF=D1=80=D0=B5=D0=BC=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D0=B8,= =D0=B4=D0=BE=D0=BB=D0=B6=D0=BD=D0=BE=D1=81=D1=82=D0=BD=D1=8B=D0=B5=20 = =D0=B8=D0=BD=D1=81=D1=82=D1=80=D1=83=D0=BA=D1=86=D0=B8=D0=B8.
=D0=94= =D0=BE=D0=B3=D0=BE=D0=B2=D0=BE=D1=80=D1=8B =D0=B2 = =D0=BA=D0=B0=D0=B4=D1=80=D0=BE=D0=B2=D0=BE=D0=B9 = =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=B5.=20
     = =D0=A2=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D0=BE=D0=B9 = =D0=B4=D0=BE=D0=B3=D0=BE=D0=B2=D0=BE=D1=80. = =D0=A1=D1=80=D0=BE=D1=87=D0=BD=D1=8B=D0=B9 =D0=B8 = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D0=BE=D0=B9=20 =D0=B4=D0=BE=D0=B3=D0=BE=D0=B2=D0=BE=D1=80, = =D0=B7=D0=B0=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0=BD=D1=8B=D0=B9 = =D0=BD=D0=B0 = =D0=BD=D0=B5=D0=BE=D0=BF=D1=80=D0=B5=D0=B4=D0=B5=D0=BB=D0=B5=D0=BD=D0=BD=D1= =8B=D0=B9 =D1=81=D1=80=D0=BE=D0=BA.
    =20 =D0=A3=D1=81=D0=BB=D0=BE=D0=B2=D0=B8=D1=8F = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D0=BE=D0=B3=D0=BE = =D0=B4=D0=BE=D0=B3=D0=BE=D0=B2=D0=BE=D1=80=D0=B0: = =D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1=8B=D0=B5 = =D0=B8=20 = =D0=B4=D0=BE=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1= =8B=D0=B5.
     = =D0=93=D1=80=D0=B0=D0=B6=D0=B4=D0=B0=D0=BD=D1=81=D0=BA=D0=BE-=D0=BF=D1=80= =D0=B0=D0=B2=D0=BE=D0=B2=D1=8B=D0=B5 = =D0=B4=D0=BE=D0=B3=D0=BE=D0=B2=D0=BE=D1=80=D1=8B=20 (=D0=93=D0=9F=D0=94). =D0=9E=D1=82=D0=BB=D0=B8=D1=87=D0=B8=D1=8F = =D0=93=D0=9F=D0=94 =D0=BE=D1=82 = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D1=8B=D1=85 = =D0=B4=D0=BE=D0=B3=D0=BE=D0=B2=D0=BE=D1=80=D0=BE=D0=B2.
=D0=A2=D1=80= =D1=83=D0=B4=D0=BE=D0=B2=D0=B0=D1=8F = =D0=BA=D0=BD=D0=B8=D0=B6=D0=BA=D0=B0.=20
     = =D0=A2=D1=80=D0=B5=D0=B1=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F =D0=BA = =D0=B7=D0=B0=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0=BD=D0=B8=D1=8E = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D1=8B=D1=85 = =D0=BA=D0=BD=D0=B8=D0=B6=D0=B5=D0=BA.=20 =D0=98=D0=BD=D1=81=D1=82=D1=80=D1=83=D0=BA=D1=86=D0=B8=D1=8F = =D0=BF=D0=BE = =D0=B7=D0=B0=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0=BD=D0=B8=D1=8E = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D0=BE=D0=B9 = =D0=BA=D0=BD=D0=B8=D0=B6=D0=BA=D0=B8.
    =20 =D0=9E=D1=84=D0=BE=D1=80=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D0=B5 = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D0=BE=D0=B9 = =D0=BA=D0=BD=D0=B8=D0=B6=D0=BA=D0=B8 = =D0=B2=D0=BF=D0=B5=D1=80=D0=B2=D1=8B=D0=B5, = =D0=B7=D0=B0=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0=BD=D0=B8=D0=B5 = =D1=82=D0=B8=D1=82=D1=83=D0=BB=D1=8C=D0=BD=D0=BE=D0=B3=D0=BE=20 =D0=BB=D0=B8=D1=81=D1=82=D0=B0.
     = =D0=92=D0=BD=D0=B5=D1=81=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=B7=D0=B0=D0=BF=D0=B8=D1=81=D0=B8 =D0=BE = =D0=BF=D1=80=D0=B8=D0=B5=D0=BC=D0=B5, = =D0=BF=D0=B5=D1=80=D0=B5=D0=B2=D0=BE=D0=B4=D0=B5,=20 =D1=83=D0=B2=D0=BE=D0=BB=D1=8C=D0=BD=D0=B5=D0=BD=D0=B8=D0=B8, = =D0=BF=D0=BE=D0=BE=D1=89=D1=80=D0=B5=D0=BD=D0=B8=D0=B8.
  &n= bsp; = =D0=9E=D1=81=D0=BE=D0=B1=D0=B5=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D0=B7=D0=B0=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5=D0=BD=D0=B8=D1=8F=20 =D0=B2=D0=BA=D0=BB=D0=B0=D0=B4=D1=8B=D1=88=D0=B0 =D0=B2 = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D1=83=D1=8E = =D0=BA=D0=BD=D0=B8=D0=B6=D0=BA=D1=83.
     = =D0=A3=D1=87=D0=B5=D1=82 =D0=B8 = =D1=85=D1=80=D0=B0=D0=BD=D0=B5=D0=BD=D0=B8=D1=8F=20 =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D1=8B=D1=85 = =D0=BA=D0=BD=D0=B8=D0=B6=D0=B5=D0=BA.
     = =D0=92=D0=BD=D0=B5=D1=81=D0=B5=D0=BD=D0=B8=D0=B5 = =D0=B8=D0=B7=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D0=B9 =D0=B2 = =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D1=83=D1=8E=20 =D0=BA=D0=BD=D0=B8=D0=B6=D0=BA=D1=83.
     = =D0=98=D1=81=D0=BF=D1=80=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=B2 =D1=82=D1=80=D1=83=D0=B4=D0=BE=D0=B2=D0=BE=D0=B9=20 = =D0=BA=D0=BD=D0=B8=D0=B6=D0=BA=D0=B5.
=D0=96=D1=83=D1=80=D0=BD=D0=B0= =D0=BB=D1=8B = =D1=80=D0=B5=D0=B3=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=86=D0=B8=D0=B8. =
    =20 = =D0=9E=D0=B1=D1=8F=D0=B7=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1=8B=D0=B5 = =D0=B8 = =D0=BD=D0=B5=D0=BE=D0=B1=D1=8F=D0=B7=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1= =8B=D0=B5 =D0=B6=D1=83=D1=80=D0=BD=D0=B0=D0=BB=D1=8B = =D1=80=D0=B5=D0=B3=D0=B8=D1=81=D1=82=D1=80=D0=B0=D1=86=D0=B8=D0=B8, = =D0=BF=D0=BE=D1=80=D1=8F=D0=B4=D0=BE=D0=BA=20 =D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8F.
=D0=9F=D0=BE=D1=80=D1=8F=D0=B4=D0=BE=D0=BA = =D1=85=D1=80=D0=B0=D0=BD=D0=B5=D0=BD=D0=B8=D1=8F = =D0=BA=D0=B0=D0=B4=D1=80=D0=BE=D0=B2=D0=BE=D0=B9=20 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8.=
=D0=9F=D0=BE=D1=88=D0=B0=D0=B3=D0=BE=D0=B2=D1=8B=D0=B5 = =D0=BF=D1=80=D0=BE=D1=86=D0=B5=D0=B4=D1=83=D1=80=D1=8B = =D0=BE=D1=84=D0=BE=D1=80=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=BA=D0=B0=D0=B4=D1=80=D0=BE=D0=B2=D0=BE=D0=B9 = =D0=B4=D0=BE=D0=BA=D1=83=D0=BC=D0=B5=D0=BD=D1=82=D0=B0=D1=86=D0=B8=D0=B8.= =20
     =D0=9F=D1=80=D0=B8=D0=B5=D0=BC = =D0=BD=D0=B0 =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D1=83: = =D0=BF=D0=BE=D1=88=D0=B0=D0=B3=D0=BE=D0=B2=D0=B0=D1=8F = =D0=BF=D1=80=D0=BE=D1=86=D0=B5=D0=B4=D1=83=D1=80=D0=B0=20 = =D0=BE=D1=84=D0=BE=D1=80=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F.
&n= bsp;   =D0=9F=D0=B5=D1=80=D0=B5=D0=B2=D0=BE=D0=B4 = =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=BD=D0=B8=D0=BA=D0=B0: = =D0=BF=D0=BE=D1=88=D0=B0=D0=B3=D0=BE=D0=B2=D0=B0=D1=8F=20 =D0=BF=D1=80=D0=BE=D1=86=D0=B5=D0=B4=D1=83=D1=80=D0=B0 = =D0=BE=D1=84=D0=BE=D1=80=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F. = =D0=92=D0=B8=D0=B4=D1=8B = =D0=BF=D0=B5=D1=80=D0=B5=D0=B2=D0=BE=D0=B4=D0=BE=D0=B2. = =D0=9F=D0=B5=D1=80=D0=B5=D0=BC=D0=B5=D1=89=D0=B5=D0=BD=D0=B8=D0=B5.
=D0=9E=D1=82=D0=BF=D1=83=D1=81=D0=BA.=20
     = =D0=9E=D0=BF=D0=BB=D0=B0=D1=87=D0=B8=D0=B2=D0=B0=D0=B5=D0=BC=D1=8B=D0=B5 = =D0=B8 = =D0=BD=D0=B5=D0=BE=D0=BF=D0=BB=D0=B0=D1=87=D0=B8=D0=B2=D0=B0=D0=B5=D0=BC=D1= =8B=D0=B5 =D0=BE=D1=82=D0=BF=D1=83=D1=81=D0=BA=D0=B0,=20 = =D0=B4=D0=BE=D0=BF=D0=BE=D0=BB=D0=BD=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D1= =8B=D0=B5 =D0=BE=D1=82=D0=BF=D1=83=D1=81=D0=BA=D0=B0: = =D0=BF=D1=80=D0=BE=D0=B4=D0=BE=D0=BB=D0=B6=D0=B8=D1=82=D0=B5=D0=BB=D1=8C=D0= =BD=D0=BE=D1=81=D1=82=D1=8C,
    =20 =D1=83=D1=81=D0=BB=D0=BE=D0=B2=D0=B8=D1=8F = =D0=BF=D1=80=D0=B5=D0=B4=D0=BE=D1=81=D1=82=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD=D0= =B8=D1=8F = =D0=BE=D1=82=D0=BF=D1=83=D1=81=D0=BA=D0=BE=D0=B2.
   &n= bsp; =D0=9F=D0=BE=D1=80=D1=8F=D0=B4=D0=BE=D0=BA=20 =D0=BF=D0=BE=D0=B4=D0=B3=D0=BE=D1=82=D0=BE=D0=B2=D0=BA=D0=B8 = =D0=B3=D1=80=D0=B0=D1=84=D0=B8=D0=BA=D0=B0 = =D0=BE=D1=82=D0=BF=D1=83=D1=81=D0=BA=D0=BE=D0=B2: =D1=87=D1=82=D0=BE = =D0=BD=D0=B5=D0=BE=D0=B1=D1=85=D0=BE=D0=B4=D0=B8=D0=BC=D0=BE = =D1=83=D1=87=D0=B5=D1=81=D1=82=D1=8C. = =D0=9F=D0=B5=D1=80=D0=B8=D0=BE=D0=B4=D1=8B, = =D0=B2=D0=BA=D0=BB=D1=8E=D1=87=D0=B0=D0=B5=D0=BC=D1=8B=D0=B5 =D0=B8=20 =D0=BD=D0=B5
     = =D0=B2=D0=BA=D0=BB=D1=8E=D1=87=D0=B0=D0=B5=D0=BC=D1=8B=D0=B5 = =D0=B4=D0=BB=D1=8F =D0=BF=D0=BE=D0=B4=D1=81=D1=87=D0=B5=D1=82=D0=B0 = =D1=81=D1=82=D0=B0=D0=B6=D0=B0, = =D0=B4=D0=B0=D1=8E=D1=89=D0=B5=D0=B3=D0=BE=20 =D0=BF=D1=80=D0=B0=D0=B2=D0=BE =D0=BD=D0=B0 = =D0=BE=D1=82=D0=BF=D1=83=D1=81=D0=BA.
     = =D0=9F=D0=BE=D1=88=D0=B0=D0=B3=D0=BE=D0=B2=D0=B0=D1=8F = =D0=BF=D1=80=D0=BE=D1=86=D0=B5=D0=B4=D1=83=D1=80=D0=B0=20 =D0=BE=D1=84=D0=BE=D1=80=D0=BC=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F = =D0=BE=D1=82=D0=BF=D1=83=D1=81=D0=BA=D0=B0.
=D0=9F=D0=BE=D0=BE=D1=89=D1=80=D0=B5=D0=BD=D0=B8=D0=B5= =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=BD=D0=B8=D0=BA=D0=BE=D0=B2.=20 =D0=92=D0=B8=D0=B4=D1=8B = =D0=BF=D0=BE=D0=BE=D1=89=D1=80=D0=B5=D0=BD=D0=B8=D0=B9.
=D0=94=D0=B8=D1= =81=D1=86=D0=B8=D0=BF=D0=BB=D0=B8=D0=BD=D0=B0=D1=80=D0=BD=D1=8B=D0=B5 = =D0=B2=D0=B7=D1=8B=D1=81=D0=BA=D0=B0=D0=BD=D0=B8=D1=8F.=20
     =D0=92=D0=B8=D0=B4=D1=8B = =D0=B2=D0=B7=D1=8B=D1=81=D0=BA=D0=B0=D0=BD=D0=B8=D0=B9. = =D0=9F=D1=80=D0=BE=D1=86=D0=B5=D0=B4=D1=83=D1=80=D0=B0 = =D0=BD=D0=B0=D0=BB=D0=BE=D0=B6=D0=B5=D0=BD=D0=B8=D1=8F=20 = =D0=B4=D0=B8=D1=81=D1=86=D0=B8=D0=BF=D0=BB=D0=B8=D0=BD=D0=B0=D1=80=D0=BD=D0= =BE=D0=B3=D0=BE =D0=B2=D0=B7=D1=8B=D1=81=D0=BA=D0=B0=D0=BD=D0=B8=D1=8F. = =D0=A1=D0=BD=D1=8F=D1=82=D0=B8=D0=B5
    =20 = =D0=B4=D0=B8=D1=81=D1=86=D0=B8=D0=BF=D0=BB=D0=B8=D0=BD=D0=B0=D1=80=D0=BD=D0= =BE=D0=B3=D0=BE = =D0=B2=D0=B7=D1=8B=D1=81=D0=BA=D0=B0=D0=BD=D0=B8=D1=8F.
=D0=9A=D0=BE=D0=BC=D0=B0=D0=BD=D0=B4=D0=B8=D1=80=D0=BE= =D0=B2=D0=BA=D0=B0.=20 =D0=9D=D0=BE=D0=B2=D0=BE=D0=B5 =D0=B2 = =D0=B7=D0=B0=D0=BA=D0=BE=D0=BD=D0=BE=D0=B4=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D1= =81=D1=82=D0=B2=D0=B5.
=D0=A3=D0=B2=D0=BE=D0=BB=D1=8C=D0=BD=D0=B5=D0=BD= =D0=B8=D0=B5.
    =20 =D0=9E=D1=81=D0=BE=D0=B1=D0=B5=D0=BD=D0=BD=D0=BE=D1=81=D1=82=D0=B8 = =D1=80=D0=B0=D1=81=D1=82=D0=BE=D1=80=D0=B6=D0=B5=D0=BD=D0=B8=D1=8F = =D0=A2=D0=94 =D0=BF=D0=BE = =D0=B8=D0=BD=D0=B8=D1=86=D0=B8=D0=B0=D1=82=D0=B8=D0=B2=D0=B5 = =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=BD=D0=B8=D0=BA=D0=B0 =D0=B8 = =D0=BF=D0=BE = =D0=B8=D0=BD=D0=B8=D1=86=D0=B8=D0=B0=D1=82=D0=B8=D0=B2=D0=B5=20 = =D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=BE=D0=B4=D0=B0=D1=82=D0=B5=D0=BB=D1=8F.=

=D0=A3=D1=87=D0=B0=D1=81=D1=82=D0=B8=D0=B5: = 22 800 =D1=80=D1=83=D0=B1.
=D0=92 = =D1=81=D1=82=D0=BE=D0=B8=D0=BC=D0=BE=D1=81=D1=82=D1=8C = =D0=B2=D1=85=D0=BE=D0=B4=D0=B8=D1=82 = =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D0=B9 = =D0=BC=D0=B0=D1=82=D0=B5=D1=80=D0=B8=D0=B0=D0=BB, = =D0=BE=D0=B1=D0=B5=D0=B4=D1=8B, = =D0=BA=D0=BE=D1=84=D0=B5-=D0=BF=D0=B0=D1=83=D0=B7=D1=8B,=20 = =D1=81=D0=B5=D1=80=D1=82=D0=B8=D1=84=D0=B8=D0=BA=D0=B0=D1=82.

=20

------=_NextPart_000_008C_01D1CC79.D7DF4DA0-- From ngkaho1234@gmail.com Wed Jun 22 05:31:02 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 39A337CA1 for ; Wed, 22 Jun 2016 05:31:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id A7940AC001 for ; Wed, 22 Jun 2016 03:30:58 -0700 (PDT) X-ASG-Debug-ID: 1466591456-04cb6c063f1ed60001-NocioJ Received: from mail-pa0-f65.google.com (mail-pa0-f65.google.com [209.85.220.65]) by cuda.sgi.com with ESMTP id AAFnmwpQ9RW4Uxb2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 03:30:56 -0700 (PDT) X-Barracuda-Envelope-From: ngkaho1234@gmail.com X-Barracuda-Effective-Source-IP: mail-pa0-f65.google.com[209.85.220.65] X-Barracuda-Apparent-Source-IP: 209.85.220.65 Received: by mail-pa0-f65.google.com with SMTP id fg1so3672767pad.3 for ; Wed, 22 Jun 2016 03:30:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=//zVeauuaUtDrjf92Jfx2QgPbdXSosh8h0hkI231uuo=; b=DrIWvaiFYX7CVi3jWOblPeHXQ81NzGRhiShlG+L/MMnSTr09h95twfKy3IJW4tPvxl 20EA8o1r4zVtFPi3Te+F/IlPa83OeaG5y2kF3MV4BONi0xHGiHIXQ7mX8OotlZRIUgwa EhSMYZ5xe2khQtskILt2e7upy+nBqjAxF6v3POvsrtf2bTVN3dRYYfy1hIdu33GCrY+7 7OFA9IIKmoQzcfnBnqtdRYtXx1+bu0cxsPkFN1Fa/95GJCeHlFzik0WrhEUVpovW/FN4 yaDKi2FRylFY2OE9zh0bfByNmoBPzK2TVrTU24myUoRnVwI6BGFFfCqye6yTYrjWel2e 79pw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=//zVeauuaUtDrjf92Jfx2QgPbdXSosh8h0hkI231uuo=; b=MGGLBQipnEHKU2TJUPb9gnoVhiuPprkNlYp7MxKU8asmbCXffZ1Ji+vZKuH/8M3MOT ydnO6vxRgexalwXsmv9PsoeNXZCmPrsamr4uw0DY9szy4FW21+TQv2GehSoRExCfewiw M1jWPEJ/AOj4ZNck3kzBSLxC2z8TQB3g/x9cmUkUbiBoc7gQdhIpAXBNXYacWnKj29Rj nAzG7np+79/buJSglBoIDn37mT5AHL12YSRsvOTWxV8FhT3bO4hTDecbPAOjuDj3W19e b5nAPPLVfsS9TiwT5HYIBcM16/GmVutVjMeEYwx9QBDs9VYKOoehhuU78PKyZWpaPMjO XN0Q== X-Gm-Message-State: ALyK8tI1DZMQA1PrCL3XC+m3+W0ZBDvukXuJpSECPwr0ysRIduKbVV4ZMb6Mx2xLHQn0yqnrmp0GZ1yoQ2LMzA== X-Received: by 10.67.5.134 with SMTP id cm6mr33819226pad.93.1466591455823; Wed, 22 Jun 2016 03:30:55 -0700 (PDT) MIME-Version: 1.0 Received: by 10.66.66.37 with HTTP; Wed, 22 Jun 2016 03:30:55 -0700 (PDT) In-Reply-To: <20160622082332.GH28212@redhat.com> References: <1466568697.14061.1.camel@gmail.com> <20160622063943.GU12670@dastard> <20160622082332.GH28212@redhat.com> From: Kaho Ng Date: Wed, 22 Jun 2016 18:30:55 +0800 Message-ID: Subject: Re: [PATCH v2] xfs: indentation fix in xfs_btree_get_iroot() To: Dave Chinner , Kaho Ng , "xfs@oss.sgi.com" , cmaiolino@redhat.com X-ASG-Orig-Subj: Re: [PATCH v2] xfs: indentation fix in xfs_btree_get_iroot() Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-pa0-f65.google.com[209.85.220.65] X-Barracuda-Start-Time: 1466591456 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2297 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED, MAILTO_TO_SPAM_ADDR X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30656 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 MAILTO_TO_SPAM_ADDR URI: Includes a link to a likely spammer email Thanks for the suggestion. I am going to tidy up the things and resend it. 2016-06-22 16:23 GMT+08:00 Carlos Maiolino : > On Wed, Jun 22, 2016 at 04:39:43PM +1000, Dave Chinner wrote: >> On Wed, Jun 22, 2016 at 12:11:37PM +0800, Kaho Ng wrote: >> > The indentation in this function is different from the other functions. >> > Those spacebars are converted to tabs to improve readability. >> > >> > Signed-off-by: Kaho Ng >> > --- >> > fs/xfs/libxfs/xfs_btree.c | 8 ++++---- >> > 1 file changed, 4 insertions(+), 4 deletions(-) >> > >> > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c >> > index 1f88e1c..4f84dde 100644 >> > --- a/fs/xfs/libxfs/xfs_btree.c >> > +++ b/fs/xfs/libxfs/xfs_btree.c >> > @@ -543,12 +543,12 @@ xfs_btree_ptr_addr( >> > */ >> > STATIC struct xfs_btree_block * >> > xfs_btree_get_iroot( >> > - struct xfs_btree_cur *cur) >> > + struct xfs_btree_cur *cur) >> > { >> > - struct xfs_ifork *ifp; >> > + struct xfs_ifork *ifp; >> > >> > - ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur- >> > >bc_private.b.whichfork); >> > - return (struct xfs_btree_block *)ifp->if_broot; >> > + ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur- >> > >bc_private.b.whichfork); >> > + return (struct xfs_btree_block *)ifp->if_broot; >> > } >> >> That's better, but your mailer is still doing weird things to the >> patch. It line wrapped it this time, and converted all the spaces to >> some wierd multi-byte character instead of a plain ascii space. >> >> What you should do is send the patch to yourself, extract it from >> the email you receive, and try to apply it to a clean tree. If you >> can do that, then the patch is not getting mangled when you send it. >> See Documentation/SubmittingPatches and >> Documentation/email-clients.txt for help. >> > > This is a problem when sending patches from a gmail account. It's converted to a > base64 format, instead of pure clean text. > > I'd setup git to send the patch through the gmail smtp using git send-email. So > it won't screw up with the file format. Well, at least, that's what I do when I > need to send patches through a gmail account :) > > -- > Carlos From ngkaho1234@gmail.com Wed Jun 22 06:11:48 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6F6BE7CA1 for ; Wed, 22 Jun 2016 06:11:48 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3380B304032 for ; Wed, 22 Jun 2016 04:11:45 -0700 (PDT) X-ASG-Debug-ID: 1466593902-04cbb027373b550001-NocioJ Received: from mail-pa0-f66.google.com (mail-pa0-f66.google.com [209.85.220.66]) by cuda.sgi.com with ESMTP id OGsEbKNy42GiQyRL (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 04:11:43 -0700 (PDT) X-Barracuda-Envelope-From: ngkaho1234@gmail.com X-Barracuda-Effective-Source-IP: mail-pa0-f66.google.com[209.85.220.66] X-Barracuda-Apparent-Source-IP: 209.85.220.66 Received: by mail-pa0-f66.google.com with SMTP id us13so3756996pab.1 for ; Wed, 22 Jun 2016 04:11:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:mime-version :content-transfer-encoding; bh=c8dFHHnG+lQwL6ZWwonh3QuO0f6i2NutgpL5WoXK6VU=; b=yqH2/8B0UsbALVogqfFOGwEsrzCfki1ORv2IZTwfK8M05oqahV7AEqytn3g/5nPQC7 S1+zQgxDKdaMV0skR0KUhEPKbDOkgFNsEkA6ng6bCt3zsQOujkq4HnO6yMXNceJz/YsQ 56HBvBqeo0BEJMTc9+WGWw3HzvEBclT42pCflNiDWHD6IeqDMuvCxerBg0ZAhIX3jJM6 9qK9CK2gyU5Yd2VRZ+59DRrDkuP1F3NzMXfoSZOSSf87QOpFY3OthV7HLOId8dkpkMrY 9DU2jht8kmwRpGnOHcV3OxW+aicXZ/gIN4dsGQrRuP8Ow+ufvCtfexCIEOvM2X+UdDy3 JhBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-transfer-encoding; bh=c8dFHHnG+lQwL6ZWwonh3QuO0f6i2NutgpL5WoXK6VU=; b=JrOtbzQ3Dc6iuyXfVECUPLXkLzB3y/AsJAudwys6rDLpe9KAm2RNMNIrF+dUVkv3PB XJqTy10ABD0qDAM/fGb5RAn9E/Cno0iwh7gnI7uW48YeQp059a4Ea1QTqdSZqsEDbqKi CstsnOrGgdeD43osbnm0VR8BB/gLH8qaEe3uj+9HXxZNvnvOGIZyGFeeT/4xLgd00BIc gdcPcHKcp0Q3LQZBGwdSkh0vao+KOkmxvlzu5imDIvzZErOZFx73vIbbHARXyjin7nt6 0LRHzCOruOuJ1QGDpR7ulA1cmlA30/5vQomJgHabYaA8jO+jvSUbPqO8GpnmKgTSWcv1 tK4Q== X-Gm-Message-State: ALyK8tJOx9xOi1RaHsOFlbTxgp9PCebvIjyJSRLlkIOdYYuKuAUhAs2eTiKjkjzqy6bXTQ== X-Received: by 10.66.150.105 with SMTP id uh9mr33947985pab.73.1466593902370; Wed, 22 Jun 2016 04:11:42 -0700 (PDT) Received: from zenbook.lan (119246003029.ctinets.com. [119.246.3.29]) by smtp.gmail.com with ESMTPSA id 4sm40303066pfi.24.2016.06.22.04.11.41 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 22 Jun 2016 04:11:42 -0700 (PDT) Date: Wed, 22 Jun 2016 19:11:37 +0800 From: Kaho Ng To: xfs@oss.sgi.com Cc: david@fromorbit.com Subject: [PATCH v3] xfs: indentation fix in xfs_btree_get_iroot() Message-ID: <20160622191137.26d0725d@zenbook.lan> X-ASG-Orig-Subj: [PATCH v3] xfs: indentation fix in xfs_btree_get_iroot() X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-unknown-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-pa0-f66.google.com[209.85.220.66] X-Barracuda-Start-Time: 1466593903 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 985 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, MAILTO_TO_SPAM_ADDR X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30656 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 MAILTO_TO_SPAM_ADDR URI: Includes a link to a likely spammer email The indentation in this function is different from the other functions. Those spacebars are converted to tabs to improve readability. Signed-off-by: Kaho Ng --- fs/xfs/libxfs/xfs_btree.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 1f88e1c..4f84dde 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -543,12 +543,12 @@ xfs_btree_ptr_addr( */ STATIC struct xfs_btree_block * xfs_btree_get_iroot( - struct xfs_btree_cur *cur) + struct xfs_btree_cur *cur) { - struct xfs_ifork *ifp; + struct xfs_ifork *ifp; - ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur->bc_private.b.whichfork); - return (struct xfs_btree_block *)ifp->if_broot; + ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur->bc_private.b.whichfork); + return (struct xfs_btree_block *)ifp->if_broot; } /* -- 2.9.0 From cmaiolino@redhat.com Wed Jun 22 06:25:32 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D62287CA1 for ; Wed, 22 Jun 2016 06:25:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9AEDF8F8033 for ; Wed, 22 Jun 2016 04:25:29 -0700 (PDT) X-ASG-Debug-ID: 1466594727-04cbb027383ff50001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ZxGQCeowBTHShbjG (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 22 Jun 2016 04:25:28 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A5AF437E71; Wed, 22 Jun 2016 11:25:27 +0000 (UTC) Received: from redhat.com (unused [10.10.51.227] (may be forged)) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5MBPNXg029932 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 22 Jun 2016 07:25:26 -0400 Date: Wed, 22 Jun 2016 13:25:23 +0200 From: Carlos Maiolino To: Kaho Ng Cc: xfs@oss.sgi.com Subject: Re: [PATCH v3] xfs: indentation fix in xfs_btree_get_iroot() Message-ID: <20160622112523.GA27894@redhat.com> X-ASG-Orig-Subj: Re: [PATCH v3] xfs: indentation fix in xfs_btree_get_iroot() Mail-Followup-To: Kaho Ng , xfs@oss.sgi.com References: <20160622191137.26d0725d@zenbook.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622191137.26d0725d@zenbook.lan> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 22 Jun 2016 11:25:27 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466594728 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1334 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Wed, Jun 22, 2016 at 07:11:37PM +0800, Kaho Ng wrote: > The indentation in this function is different from the other functions. > Those spacebars are converted to tabs to improve readability. > > Signed-off-by: Kaho Ng Ah, much better. Reviewed-by: Carlos Maiolino > --- > fs/xfs/libxfs/xfs_btree.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index 1f88e1c..4f84dde 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -543,12 +543,12 @@ xfs_btree_ptr_addr( > */ > STATIC struct xfs_btree_block * > xfs_btree_get_iroot( > - struct xfs_btree_cur *cur) > + struct xfs_btree_cur *cur) > { > - struct xfs_ifork *ifp; > + struct xfs_ifork *ifp; > > - ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur->bc_private.b.whichfork); > - return (struct xfs_btree_block *)ifp->if_broot; > + ifp = XFS_IFORK_PTR(cur->bc_private.b.ip, cur->bc_private.b.whichfork); > + return (struct xfs_btree_block *)ifp->if_broot; > } > > /* > -- > 2.9.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From mstsxfx@gmail.com Wed Jun 22 07:38:31 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 828C47CA1 for ; Wed, 22 Jun 2016 07:38:31 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C8CC8AC001 for ; Wed, 22 Jun 2016 05:38:27 -0700 (PDT) X-ASG-Debug-ID: 1466599104-04cbb0273652360001-NocioJ Received: from mail-wm0-f45.google.com (mail-wm0-f45.google.com [74.125.82.45]) by cuda.sgi.com with ESMTP id nX9qBDvVVKgO9jTk (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 05:38:25 -0700 (PDT) X-Barracuda-Envelope-From: mstsxfx@gmail.com X-Barracuda-Effective-Source-IP: mail-wm0-f45.google.com[74.125.82.45] X-Barracuda-Apparent-Source-IP: 74.125.82.45 Received: by mail-wm0-f45.google.com with SMTP id a66so4122665wme.0 for ; Wed, 22 Jun 2016 05:38:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=b3Tu3OiiWYGSWDCEOn+XJ4wzO3In8Vpk+Mw8WxEGB1g=; b=PclJl18GwZJCmwCHH0owVLJkgsMawwgqPk5qqfuv5yWl3Rq/Ux1HkzNSXxGgco23rf BHrzFfdsn7Zu0IZRadl+P4FLmx8BcFEZvhX0psQB6H/mI4eMpFG46PoNlSy1ELu/KYvR WpLnhO+wtJJ2FxnpwpZC5xw5ceuPXLKsWzrrBFY8D8cKXsios+93yOlSiyWbMMjAspjP okE/i3GMoE7l+1xwKHYQ3DF/4p59I64WubAbiLVL0nI1JHuEFizXTIeUvTV3C7d8k2XP RQbDvCye/lb3n7qbdLtmD9mCvAyT1TiyeiGNRJ+DPAHL+EbHvN0PbW6KUeMNyxGUcqbf xElg== X-Gm-Message-State: ALyK8tLw8v2pPltqedxOwYY7tQiMS1MSUFQLmZZ5nR0e7sn6dxj9A9QiLgyvrlBeLLmJ7g== X-Received: by 10.28.216.21 with SMTP id p21mr8306701wmg.55.1466599104396; Wed, 22 Jun 2016 05:38:24 -0700 (PDT) Received: from localhost ([80.188.202.66]) by smtp.gmail.com with ESMTPSA id o10sm73717192wjz.37.2016.06.22.05.38.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Jun 2016 05:38:23 -0700 (PDT) Date: Wed, 22 Jun 2016 14:38:22 +0200 From: Michal Hocko To: Dave Chinner Cc: Peter Zijlstra , "Darrick J. Wong" , Qu Wenruo , xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: Xfs lockdep warning with for-dave-for-4.6 branch Message-ID: <20160622123822.GG9208@dhcp22.suse.cz> X-ASG-Orig-Subj: Re: Xfs lockdep warning with for-dave-for-4.6 branch References: <20160601131758.GO26601@dhcp22.suse.cz> <20160601181617.GV3190@twins.programming.kicks-ass.net> <20160602145048.GS1995@dhcp22.suse.cz> <20160602151116.GD3190@twins.programming.kicks-ass.net> <20160602154619.GU1995@dhcp22.suse.cz> <20160602232254.GR12670@dastard> <20160606122022.GH11895@dhcp22.suse.cz> <20160615072154.GF26977@dastard> <20160621142628.GG30848@dhcp22.suse.cz> <20160622010320.GR12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622010320.GR12670@dastard> User-Agent: Mutt/1.6.0 (2016-04-01) X-Barracuda-Connect: mail-wm0-f45.google.com[74.125.82.45] X-Barracuda-Start-Time: 1466599105 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1517 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30658 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed 22-06-16 11:03:20, Dave Chinner wrote: > On Tue, Jun 21, 2016 at 04:26:28PM +0200, Michal Hocko wrote: > > On Wed 15-06-16 17:21:54, Dave Chinner wrote: [...] > > > There are allocations outside transaction context which need to be > > > GFP_NOFS - this is what KM_NOFS was originally intended for. > > > > Is it feasible to mark those by the scope NOFS api as well and drop > > the direct KM_NOFS usage? This should help to identify those that are > > lockdep only and use the annotation to prevent from the false positives. > > I don't understand what you are suggesting here. This all started > because we use GFP_NOFS in a handful of places to shut up lockdep > and you didn't want us to use GFP_NOFS like that. Now it sounds to > me like you are advocating setting unconditional GFP_NOFS allocation > contexts for entire XFS code paths - whether it's necessary or > not - to avoid problems with lockdep false positives. No, I meant only those paths which need GFP_NOFS for other than lockdep purposes would use the scope api. Anyway, it seems that we are not getting closer to a desired solution here. Or I am not following it at least... It seems that we have effectively two possibilities (from the MM/lockdep) POV. Either add an explicit API to disable the reclaim lockdep machinery for all allocation in a certain scope or a GFP mask to to achieve the same for a particular allocation. Which one would work better for the xfs usecase? -- Michal Hocko SUSE Labs From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 07:45:47 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9243B7CA1 for ; Wed, 22 Jun 2016 07:45:47 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1C20AAC001 for ; Wed, 22 Jun 2016 05:45:47 -0700 (PDT) X-ASG-Debug-ID: 1466599542-04bdf05e6d51490001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id EkFxfBekEh4A1LWT (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 05:45:42 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFhXI-0006Za-69; Wed, 22 Jun 2016 12:45:40 +0000 Date: Wed, 22 Jun 2016 05:45:40 -0700 From: Christoph Hellwig To: Felix Janda Cc: xfs@oss.sgi.com Subject: Re: [PATCH 2/4] Simplify workaround for old glibc getsubopt() Message-ID: <20160622124540.GA6293@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/4] Simplify workaround for old glibc getsubopt() References: <20160618145253.GB17768@nyan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160618145253.GB17768@nyan> User-Agent: Mutt/1.6.1 (2016-04-27) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466599542 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 141 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30658 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS I think we should simply kill that workaround. I even have vague memories of killing it, but maybe I didn't end up sending out the patch. From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 07:59:36 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D6C3F7CA1 for ; Wed, 22 Jun 2016 07:59:36 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9C3DE8F8037 for ; Wed, 22 Jun 2016 05:59:33 -0700 (PDT) X-ASG-Debug-ID: 1466600371-04cbb0273556e40001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id jCghfKBC5FCF7hB9 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 05:59:32 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from hch by bombadil.infradead.org with local (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFhkg-0003My-Kl; Wed, 22 Jun 2016 12:59:30 +0000 Date: Wed, 22 Jun 2016 05:59:30 -0700 From: Christoph Hellwig To: Felix Janda Cc: Christoph Hellwig , xfs@oss.sgi.com Subject: Re: [PATCH 2/6] libxfs/linux.c: Replace use of ustat by stat Message-ID: <20160622125930.GA11203@infradead.org> X-ASG-Orig-Subj: Re: [PATCH 2/6] libxfs/linux.c: Replace use of ustat by stat References: <20160112195945.GC568@nyan> <20160113075501.GC21939@infradead.org> <20160113174241.GC10942@nyan> <20160114102009.GD27644@infradead.org> <20160618145349.GA17760@nyan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160618145349.GA17760@nyan> User-Agent: Mutt/1.6.1 (2016-04-27) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466600371 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 334 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.10 X-Barracuda-Spam-Status: No, SCORE=0.10 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30658 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS Sorr for not getting back to you. It turns out that simply using O_EXCL is fairly easy, but fitting it into a portabilitity framework isn't. So I think I'll have to give up on that attempt for now. That being said I think ustat fits pretty well for this use case, so getting rid of it might need a little more justification. From damien.gombault@recia.fr Wed Jun 22 09:45:25 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 710507CA1 for ; Wed, 22 Jun 2016 09:45:25 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2068F8F8089 for ; Wed, 22 Jun 2016 07:45:25 -0700 (PDT) X-ASG-Debug-ID: 1466606720-04bdf05e6c77520001-NocioJ Received: from mx.recia.fr (mx.recia.fr [95.128.41.47]) by cuda.sgi.com with ESMTP id dHj8CG4jASOfdOkU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 22 Jun 2016 07:45:21 -0700 (PDT) X-Barracuda-Envelope-From: damien.gombault@recia.fr X-Barracuda-Effective-Source-IP: mx.recia.fr[95.128.41.47] X-Barracuda-Apparent-Source-IP: 95.128.41.47 Received: from e6530-damien.recia.fr (unknown [37.58.188.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: F12A086p) by mx.recia.fr (Postfix) with ESMTPSA id 6AEE422627D for ; Wed, 22 Jun 2016 16:45:19 +0200 (CEST) To: xfs@oss.sgi.com From: Damien Gombault Subject: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed Organization: GIP Recia X-ASG-Orig-Subj: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed Message-ID: Date: Wed, 22 Jun 2016 16:45:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="------------F434849E7690777ADAA2AB96" X-Barracuda-Connect: mx.recia.fr[95.128.41.47] X-Barracuda-Start-Time: 1466606721 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4780 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30660 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 HTML_MESSAGE BODY: HTML included in message This is a multi-part message in MIME format. --------------F434849E7690777ADAA2AB96 Content-Type: multipart/alternative; boundary="------------575139A6589BF4421BE0A6D9" --------------575139A6589BF4421BE0A6D9 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi. I have reported few weeks ago a bug on the Red Hat Bugzilla for CentOS 7 : https://bugzilla.redhat.com/show_bug.cgi?id=1341126 I had to restore a level0+level1 dump for my ownCloud server, but during the level1 restoration, xfsrestore showed many warnings and some directories/files were not restored. I recently tried to restore a more recent level0+level1 dump and I get the same results with other directories/files. I tried to figure out why and now I am able to reproduce the problem with a minimal test case. Here is the test case : Create a new XFS filesystem, mount it as "/mnt/test" Then in "/mnt/test" Create a directory "dira/" Create a file "filea" in directory "dira/" You should get : . └── dira └── filea Make a level 0 dump : xfsdump -l 0 -f /root/test0.dump /mnt/test Rename "dira/" to "dirA/" Create a directory "dirb/" in "dirA/" Create a file "fileb" in "dirb/" You should get : . └── dirA ├── dirb │ └── fileb └── filea Make a level 1 dump : xfsdump -l 1 -f /root/test1.dump /mnt/test Create a new XFS filesystem, mount it as "/mnt/restore" Restore (cumulative mode) level 0 dump : xfsrestore -r -f /root/test0.dump /mnt/restore/ Restore (cumulative mode) level 1 dump : xfsrestore -r -f /root/test1.dump /mnt/restore/ You get a WARNING : xfsrestore: WARNING: open of dirA/dirb/fileb failed: Aucun fichier ou dossier de ce type: discarding ino 526337 (No such file or directory in English) Directory "dirb" and file "fileb" is not restored : . ├── dirA │ └── filea └── xfsrestorehousekeepingdir ├── dirattr ├── dirextattr ├── namreg ├── state └── tree I attached test0.dump (level 0 dump), test1.dump (level 1 dump), debug0.txt (xfsrestore level 0 debug trace), debug1.txt (xfsrestore level 1 debug trace). I can reproduce it on CentOS 7 and Fedora 24. On Fedora 24, I used : xfsprogs-4.5.0-1.fc24.x86_64 xfsdump-3.1.6-2.fc24.x86_64 kernel-4.5.7-300.fc24.x86_64 Is there a bug in xfsdump/xfsrestore tools and cumulative restoration feature ? --------------575139A6589BF4421BE0A6D9 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit
Hi. I have reported few weeks ago a bug on the Red Hat Bugzilla for CentOS 7 : https://bugzilla.redhat.com/show_bug.cgi?id=1341126 I had to restore a level0+level1 dump for my ownCloud server, but during the level1 restoration, xfsrestore showed many warnings and some directories/files were not restored. I recently tried to restore a more recent level0+level1 dump and I get the same results with other directories/files. I tried to figure out why and now I am able to reproduce the problem with a minimal test case. Here is the test case : Create a new XFS filesystem, mount it as "/mnt/test" Then in "/mnt/test" Create a directory "dira/" Create a file "filea" in directory "dira/" You should get : . └── dira └── filea Make a level 0 dump : xfsdump -l 0 -f /root/test0.dump /mnt/test Rename "dira/" to "dirA/" Create a directory "dirb/" in "dirA/" Create a file "fileb" in "dirb/" You should get : . └── dirA ├── dirb │   └── fileb └── filea Make a level 1 dump : xfsdump -l 1 -f /root/test1.dump /mnt/test Create a new XFS filesystem, mount it as "/mnt/restore" Restore (cumulative mode) level 0 dump : xfsrestore -r -f /root/test0.dump /mnt/restore/ Restore (cumulative mode) level 1 dump : xfsrestore -r -f /root/test1.dump /mnt/restore/ You get a WARNING : xfsrestore: WARNING: open of dirA/dirb/fileb failed: Aucun fichier ou dossier de ce type: discarding ino 526337 (No such file or directory in English) Directory "dirb" and file "fileb" is not restored : . ├── dirA │   └── filea └── xfsrestorehousekeepingdir ├── dirattr ├── dirextattr ├── namreg ├── state └── tree I attached test0.dump (level 0 dump), test1.dump (level 1 dump), debug0.txt (xfsrestore level 0 debug trace), debug1.txt (xfsrestore level 1 debug trace). I can reproduce it on CentOS 7 and Fedora 24. On Fedora 24, I used : xfsprogs-4.5.0-1.fc24.x86_64 xfsdump-3.1.6-2.fc24.x86_64 kernel-4.5.7-300.fc24.x86_64 Is there a bug in xfsdump/xfsrestore tools and cumulative restoration feature ?
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--------------F434849E7690777ADAA2AB96-- From bfoster@redhat.com Wed Jun 22 10:17:13 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 571BE7CA0 for ; Wed, 22 Jun 2016 10:17:13 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 06D7D8F8059 for ; Wed, 22 Jun 2016 08:17:12 -0700 (PDT) X-ASG-Debug-ID: 1466608628-04bdf05e6d818b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id v5GBcrYUe05xjLcn (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 22 Jun 2016 08:17:08 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 76B293B730; Wed, 22 Jun 2016 15:17:08 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-2.bos.redhat.com [10.18.41.2]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5MFH7r7009795; Wed, 22 Jun 2016 11:17:08 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id B706B1201DB; Wed, 22 Jun 2016 11:17:06 -0400 (EDT) Date: Wed, 22 Jun 2016 11:17:06 -0400 From: Brian Foster To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys Message-ID: <20160622151706.GB5423@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612635526.12839.13865365567940815077.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612635526.12839.13865365567940815077.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 22 Jun 2016 15:17:08 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466608628 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 29831 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:19:15PM -0700, Darrick J. Wong wrote: > On a filesystem with both reflink and reverse mapping enabled, it's > possible to have multiple rmap records referring to the same blocks on > disk. When overlapping intervals are possible, querying a classic > btree to find all records intersecting a given interval is inefficient > because we cannot use the left side of the search interval to filter > out non-matching records the same way that we can use the existing > btree key to filter out records coming after the right side of the > search interval. This will become important once we want to use the > rmap btree to rebuild BMBTs, or implement the (future) fsmap ioctl. > > (For the non-overlapping case, we can perform such queries trivially > by starting at the left side of the interval and walking the tree > until we pass the right side.) > > Therefore, extend the btree code to come closer to supporting > intervals as a first-class record attribute. This involves widening > the btree node's key space to store both the lowest key reachable via > the node pointer (as the btree does now) and the highest key reachable > via the same pointer and teaching the btree modifying functions to > keep the highest-key records up to date. > > This behavior can be turned on via a new btree ops flag so that btrees > that cannot store overlapping intervals don't pay the overhead costs > in terms of extra code and disk format changes. > > v2: When we're deleting a record in a btree that supports overlapped > interval records and the deletion results in two btree blocks being > joined, we defer updating the high/low keys until after all possible > joining (at higher levels in the tree) have finished. At this point, > the btree pointers at all levels have been updated to remove the empty > blocks and we can update the low and high keys. > > When we're doing this, we must be careful to update the keys of all > node pointers up to the root instead of stopping at the first set of > keys that don't need updating. This is because it's possible for a > single deletion to cause joining of multiple levels of tree, and so > we need to update everything going back to the root. > > Signed-off-by: Darrick J. Wong > --- I think I get the gist of this and it mostly looks Ok to me. A few questions and minor comments... > fs/xfs/libxfs/xfs_btree.c | 379 +++++++++++++++++++++++++++++++++++++++++---- > fs/xfs/libxfs/xfs_btree.h | 16 ++ > fs/xfs/xfs_trace.h | 36 ++++ > 3 files changed, 395 insertions(+), 36 deletions(-) > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index a096539..afcafd6 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -52,6 +52,11 @@ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { > xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] > > > +struct xfs_btree_double_key { > + union xfs_btree_key low; > + union xfs_btree_key high; > +}; > + > STATIC int /* error (0 or EFSCORRUPTED) */ > xfs_btree_check_lblock( > struct xfs_btree_cur *cur, /* btree cursor */ > @@ -428,6 +433,30 @@ xfs_btree_dup_cursor( > * into a btree block (xfs_btree_*_offset) or return a pointer to the given > * record, key or pointer (xfs_btree_*_addr). Note that all addressing > * inside the btree block is done using indices starting at one, not zero! > + * > + * If XFS_BTREE_OVERLAPPING is set, then this btree supports keys containing > + * overlapping intervals. In such a tree, records are still sorted lowest to > + * highest and indexed by the smallest key value that refers to the record. > + * However, nodes are different: each pointer has two associated keys -- one > + * indexing the lowest key available in the block(s) below (the same behavior > + * as the key in a regular btree) and another indexing the highest key > + * available in the block(s) below. Because records are /not/ sorted by the > + * highest key, all leaf block updates require us to compute the highest key > + * that matches any record in the leaf and to recursively update the high keys > + * in the nodes going further up in the tree, if necessary. Nodes look like > + * this: > + * > + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ > + * Non-Leaf: | header | lo1 | hi1 | lo2 | hi2 | ... | ptr 1 | ptr 2 | ... | > + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ > + * > + * To perform an interval query on an overlapped tree, perform the usual > + * depth-first search and use the low and high keys to decide if we can skip > + * that particular node. If a leaf node is reached, return the records that > + * intersect the interval. Note that an interval query may return numerous > + * entries. For a non-overlapped tree, simply search for the record associated > + * with the lowest key and iterate forward until a non-matching record is > + * found. > */ > > /* > @@ -445,6 +474,17 @@ static inline size_t xfs_btree_block_len(struct xfs_btree_cur *cur) > return XFS_BTREE_SBLOCK_LEN; > } > > +/* Return size of btree block keys for this btree instance. */ > +static inline size_t xfs_btree_key_len(struct xfs_btree_cur *cur) > +{ > + size_t len; > + > + len = cur->bc_ops->key_len; > + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) > + len *= 2; > + return len; > +} > + > /* > * Return size of btree block pointers for this btree instance. > */ > @@ -475,7 +515,19 @@ xfs_btree_key_offset( > int n) > { > return xfs_btree_block_len(cur) + > - (n - 1) * cur->bc_ops->key_len; > + (n - 1) * xfs_btree_key_len(cur); > +} > + > +/* > + * Calculate offset of the n-th high key in a btree block. > + */ > +STATIC size_t > +xfs_btree_high_key_offset( > + struct xfs_btree_cur *cur, > + int n) > +{ > + return xfs_btree_block_len(cur) + > + (n - 1) * xfs_btree_key_len(cur) + cur->bc_ops->key_len; > } > > /* > @@ -488,7 +540,7 @@ xfs_btree_ptr_offset( > int level) > { > return xfs_btree_block_len(cur) + > - cur->bc_ops->get_maxrecs(cur, level) * cur->bc_ops->key_len + > + cur->bc_ops->get_maxrecs(cur, level) * xfs_btree_key_len(cur) + > (n - 1) * xfs_btree_ptr_len(cur); > } > > @@ -519,6 +571,19 @@ xfs_btree_key_addr( > } > > /* > + * Return a pointer to the n-th high key in the btree block. > + */ > +STATIC union xfs_btree_key * > +xfs_btree_high_key_addr( > + struct xfs_btree_cur *cur, > + int n, > + struct xfs_btree_block *block) > +{ > + return (union xfs_btree_key *) > + ((char *)block + xfs_btree_high_key_offset(cur, n)); > +} > + > +/* > * Return a pointer to the n-th block pointer in the btree block. > */ > STATIC union xfs_btree_ptr * > @@ -1217,7 +1282,7 @@ xfs_btree_copy_keys( > int numkeys) > { > ASSERT(numkeys >= 0); > - memcpy(dst_key, src_key, numkeys * cur->bc_ops->key_len); > + memcpy(dst_key, src_key, numkeys * xfs_btree_key_len(cur)); > } > > /* > @@ -1263,8 +1328,8 @@ xfs_btree_shift_keys( > ASSERT(numkeys >= 0); > ASSERT(dir == 1 || dir == -1); > > - dst_key = (char *)key + (dir * cur->bc_ops->key_len); > - memmove(dst_key, key, numkeys * cur->bc_ops->key_len); > + dst_key = (char *)key + (dir * xfs_btree_key_len(cur)); > + memmove(dst_key, key, numkeys * xfs_btree_key_len(cur)); > } > > /* > @@ -1879,6 +1944,180 @@ error0: > return error; > } > > +/* Determine the low and high keys of a leaf block */ > +STATIC void > +xfs_btree_find_leaf_keys( > + struct xfs_btree_cur *cur, > + struct xfs_btree_block *block, > + union xfs_btree_key *low, > + union xfs_btree_key *high) > +{ > + int n; > + union xfs_btree_rec *rec; > + union xfs_btree_key max_hkey; > + union xfs_btree_key hkey; > + > + rec = xfs_btree_rec_addr(cur, 1, block); > + cur->bc_ops->init_key_from_rec(low, rec); > + > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > + return; > + > + cur->bc_ops->init_high_key_from_rec(&max_hkey, rec); > + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { > + rec = xfs_btree_rec_addr(cur, n, block); > + cur->bc_ops->init_high_key_from_rec(&hkey, rec); > + if (cur->bc_ops->diff_two_keys(cur, &max_hkey, &hkey) > 0) > + max_hkey = hkey; > + } > + > + *high = max_hkey; > +} > + > +/* Determine the low and high keys of a node block */ > +STATIC void > +xfs_btree_find_node_keys( > + struct xfs_btree_cur *cur, > + struct xfs_btree_block *block, > + union xfs_btree_key *low, > + union xfs_btree_key *high) > +{ > + int n; > + union xfs_btree_key *hkey; > + union xfs_btree_key *max_hkey; > + > + *low = *xfs_btree_key_addr(cur, 1, block); > + > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > + return; > + > + max_hkey = xfs_btree_high_key_addr(cur, 1, block); > + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { > + hkey = xfs_btree_high_key_addr(cur, n, block); > + if (cur->bc_ops->diff_two_keys(cur, max_hkey, hkey) > 0) > + max_hkey = hkey; > + } > + > + *high = *max_hkey; > +} > + > +/* > + * Update parental low & high keys from some block all the way back to the > + * root of the btree. > + */ > +STATIC int > +__xfs_btree_updkeys( > + struct xfs_btree_cur *cur, > + int level, > + struct xfs_btree_block *block, > + struct xfs_buf *bp0, > + bool force_all) > +{ > + union xfs_btree_key lkey; /* keys from current level */ > + union xfs_btree_key hkey; > + union xfs_btree_key *nlkey; /* keys from the next level up */ > + union xfs_btree_key *nhkey; > + struct xfs_buf *bp; > + int ptr = -1; ptr doesn't appear to require initialization. > + > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > + return 0; > + > + if (level + 1 >= cur->bc_nlevels) > + return 0; This could use a comment to indicate we're checking for a parent level to update. > + > + trace_xfs_btree_updkeys(cur, level, bp0); > + > + if (level == 0) > + xfs_btree_find_leaf_keys(cur, block, &lkey, &hkey); > + else > + xfs_btree_find_node_keys(cur, block, &lkey, &hkey); > + for (level++; level < cur->bc_nlevels; level++) { > + block = xfs_btree_get_block(cur, level, &bp); > + trace_xfs_btree_updkeys(cur, level, bp); > + ptr = cur->bc_ptrs[level]; > + nlkey = xfs_btree_key_addr(cur, ptr, block); > + nhkey = xfs_btree_high_key_addr(cur, ptr, block); > + if (!(cur->bc_ops->diff_two_keys(cur, nlkey, &lkey) != 0 || > + cur->bc_ops->diff_two_keys(cur, nhkey, &hkey) != 0) && > + !force_all) > + break; > + memcpy(nlkey, &lkey, cur->bc_ops->key_len); > + memcpy(nhkey, &hkey, cur->bc_ops->key_len); > + xfs_btree_log_keys(cur, bp, ptr, ptr); > + if (level + 1 >= cur->bc_nlevels) > + break; > + xfs_btree_find_node_keys(cur, block, &lkey, &hkey); > + } > + > + return 0; > +} > + > +/* > + * Update all the keys from a sibling block at some level in the cursor back > + * to the root, stopping when we find a key pair that doesn't need updating. > + */ > +STATIC int > +xfs_btree_sibling_updkeys( > + struct xfs_btree_cur *cur, > + int level, > + int ptr, > + struct xfs_btree_block *block, > + struct xfs_buf *bp0) > +{ > + struct xfs_btree_cur *ncur; > + int stat; > + int error; > + > + error = xfs_btree_dup_cursor(cur, &ncur); > + if (error) > + return error; > + > + if (level + 1 >= ncur->bc_nlevels) > + error = -EDOM; > + else if (ptr == XFS_BB_RIGHTSIB) > + error = xfs_btree_increment(ncur, level + 1, &stat); > + else if (ptr == XFS_BB_LEFTSIB) > + error = xfs_btree_decrement(ncur, level + 1, &stat); > + else > + error = -EBADE; So we inc/dec the cursor at the next level up the tree, then update the keys up that path with the __xfs_btree_updkeys() call below. The inc/dec calls explicitly say that they don't alter the cursor below the level, so it looks like we'd end up with a weird cursor path here. Digging around further, it looks like we pass the sibling bp/block pointers from the caller and thus __xfs_btree_updkeys() should do the correct thing, but this is not very clear. If I'm on the right track, I'd suggest to add a big fat comment here. :) > + if (error || !stat) > + return error; Looks like a potential cursor leak on error. > + > + error = __xfs_btree_updkeys(ncur, level, block, bp0, false); > + xfs_btree_del_cursor(ncur, XFS_BTREE_NOERROR); > + return error; > +} > + > +/* > + * Update all the keys from some level in cursor back to the root, stopping > + * when we find a key pair that don't need updating. > + */ > +STATIC int > +xfs_btree_updkeys( > + struct xfs_btree_cur *cur, > + int level) > +{ > + struct xfs_buf *bp; > + struct xfs_btree_block *block; > + > + block = xfs_btree_get_block(cur, level, &bp); > + return __xfs_btree_updkeys(cur, level, block, bp, false); > +} > + > +/* Update all the keys from some level in cursor back to the root. */ > +STATIC int > +xfs_btree_updkeys_force( > + struct xfs_btree_cur *cur, > + int level) > +{ > + struct xfs_buf *bp; > + struct xfs_btree_block *block; > + > + block = xfs_btree_get_block(cur, level, &bp); > + return __xfs_btree_updkeys(cur, level, block, bp, true); > +} > + > /* > * Update keys at all levels from here to the root along the cursor's path. > */ > @@ -1893,6 +2132,9 @@ xfs_btree_updkey( > union xfs_btree_key *kp; > int ptr; > > + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) > + return 0; > + > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > XFS_BTREE_TRACE_ARGIK(cur, level, keyp); > > @@ -1970,7 +2212,8 @@ xfs_btree_update( > ptr, LASTREC_UPDATE); > } > > - /* Updating first rec in leaf. Pass new key value up to our parent. */ > + /* Pass new key value up to our parent. */ > + xfs_btree_updkeys(cur, 0); > if (ptr == 1) { > union xfs_btree_key key; > > @@ -2149,7 +2392,9 @@ xfs_btree_lshift( > rkp = &key; > } > > - /* Update the parent key values of right. */ > + /* Update the parent key values of left and right. */ > + xfs_btree_sibling_updkeys(cur, level, XFS_BB_LEFTSIB, left, lbp); > + xfs_btree_updkeys(cur, level); > error = xfs_btree_updkey(cur, rkp, level + 1); > if (error) > goto error0; > @@ -2321,6 +2566,9 @@ xfs_btree_rshift( > if (error) > goto error1; > > + /* Update left and right parent pointers */ > + xfs_btree_updkeys(cur, level); > + xfs_btree_updkeys(tcur, level); In this case, we grab the last record of the block, increment from there and update using the cursor. This is much more straightforward, imo. Could we use this approach in the left shift case as well? > error = xfs_btree_updkey(tcur, rkp, level + 1); > if (error) > goto error1; > @@ -2356,7 +2604,7 @@ __xfs_btree_split( > struct xfs_btree_cur *cur, > int level, > union xfs_btree_ptr *ptrp, > - union xfs_btree_key *key, > + struct xfs_btree_double_key *key, > struct xfs_btree_cur **curp, > int *stat) /* success/failure */ > { > @@ -2452,9 +2700,6 @@ __xfs_btree_split( > > xfs_btree_log_keys(cur, rbp, 1, rrecs); > xfs_btree_log_ptrs(cur, rbp, 1, rrecs); > - > - /* Grab the keys to the entries moved to the right block */ > - xfs_btree_copy_keys(cur, key, rkp, 1); > } else { > /* It's a leaf. Move records. */ > union xfs_btree_rec *lrp; /* left record pointer */ > @@ -2465,12 +2710,8 @@ __xfs_btree_split( > > xfs_btree_copy_recs(cur, rrp, lrp, rrecs); > xfs_btree_log_recs(cur, rbp, 1, rrecs); > - > - cur->bc_ops->init_key_from_rec(key, > - xfs_btree_rec_addr(cur, 1, right)); > } > > - > /* > * Find the left block number by looking in the buffer. > * Adjust numrecs, sibling pointers. > @@ -2484,6 +2725,12 @@ __xfs_btree_split( > xfs_btree_set_numrecs(left, lrecs); > xfs_btree_set_numrecs(right, xfs_btree_get_numrecs(right) + rrecs); > > + /* Find the low & high keys for the new block. */ > + if (level > 0) > + xfs_btree_find_node_keys(cur, right, &key->low, &key->high); > + else > + xfs_btree_find_leaf_keys(cur, right, &key->low, &key->high); > + Why not push these into the above if/else where the previous key copy/init calls were removed from? > xfs_btree_log_block(cur, rbp, XFS_BB_ALL_BITS); > xfs_btree_log_block(cur, lbp, XFS_BB_NUMRECS | XFS_BB_RIGHTSIB); > > @@ -2499,6 +2746,10 @@ __xfs_btree_split( > xfs_btree_set_sibling(cur, rrblock, &rptr, XFS_BB_LEFTSIB); > xfs_btree_log_block(cur, rrbp, XFS_BB_LEFTSIB); > } > + > + /* Update the left block's keys... */ > + xfs_btree_updkeys(cur, level); > + > /* > * If the cursor is really in the right block, move it there. > * If it's just pointing past the last entry in left, then we'll > @@ -2537,7 +2788,7 @@ struct xfs_btree_split_args { > struct xfs_btree_cur *cur; > int level; > union xfs_btree_ptr *ptrp; > - union xfs_btree_key *key; > + struct xfs_btree_double_key *key; > struct xfs_btree_cur **curp; > int *stat; /* success/failure */ > int result; > @@ -2586,7 +2837,7 @@ xfs_btree_split( > struct xfs_btree_cur *cur, > int level, > union xfs_btree_ptr *ptrp, > - union xfs_btree_key *key, > + struct xfs_btree_double_key *key, > struct xfs_btree_cur **curp, > int *stat) /* success/failure */ > { > @@ -2806,27 +3057,27 @@ xfs_btree_new_root( > bp = lbp; > nptr = 2; > } > + > /* Fill in the new block's btree header and log it. */ > xfs_btree_init_block_cur(cur, nbp, cur->bc_nlevels, 2); > xfs_btree_log_block(cur, nbp, XFS_BB_ALL_BITS); > ASSERT(!xfs_btree_ptr_is_null(cur, &lptr) && > !xfs_btree_ptr_is_null(cur, &rptr)); > - ? > /* Fill in the key data in the new root. */ > if (xfs_btree_get_level(left) > 0) { > - xfs_btree_copy_keys(cur, > + xfs_btree_find_node_keys(cur, left, > xfs_btree_key_addr(cur, 1, new), > - xfs_btree_key_addr(cur, 1, left), 1); > - xfs_btree_copy_keys(cur, > + xfs_btree_high_key_addr(cur, 1, new)); > + xfs_btree_find_node_keys(cur, right, > xfs_btree_key_addr(cur, 2, new), > - xfs_btree_key_addr(cur, 1, right), 1); > + xfs_btree_high_key_addr(cur, 2, new)); > } else { > - cur->bc_ops->init_key_from_rec( > - xfs_btree_key_addr(cur, 1, new), > - xfs_btree_rec_addr(cur, 1, left)); > - cur->bc_ops->init_key_from_rec( > - xfs_btree_key_addr(cur, 2, new), > - xfs_btree_rec_addr(cur, 1, right)); > + xfs_btree_find_leaf_keys(cur, left, > + xfs_btree_key_addr(cur, 1, new), > + xfs_btree_high_key_addr(cur, 1, new)); > + xfs_btree_find_leaf_keys(cur, right, > + xfs_btree_key_addr(cur, 2, new), > + xfs_btree_high_key_addr(cur, 2, new)); > } > xfs_btree_log_keys(cur, nbp, 1, 2); > > @@ -2837,6 +3088,7 @@ xfs_btree_new_root( > xfs_btree_ptr_addr(cur, 2, new), &rptr, 1); > xfs_btree_log_ptrs(cur, nbp, 1, 2); > > + Extra line. > /* Fix up the cursor. */ > xfs_btree_setbuf(cur, cur->bc_nlevels, nbp); > cur->bc_ptrs[cur->bc_nlevels] = nptr; > @@ -2862,7 +3114,7 @@ xfs_btree_make_block_unfull( > int *index, /* new tree index */ > union xfs_btree_ptr *nptr, /* new btree ptr */ > struct xfs_btree_cur **ncur, /* new btree cursor */ > - union xfs_btree_key *key, /* key of new block */ > + struct xfs_btree_double_key *key, /* key of new block */ > int *stat) > { > int error = 0; > @@ -2918,6 +3170,22 @@ xfs_btree_make_block_unfull( > return 0; > } > > +/* Copy a double key into a btree block. */ > +static void > +xfs_btree_copy_double_keys( > + struct xfs_btree_cur *cur, > + int ptr, > + struct xfs_btree_block *block, > + struct xfs_btree_double_key *key) > +{ > + memcpy(xfs_btree_key_addr(cur, ptr, block), &key->low, > + cur->bc_ops->key_len); > + > + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) > + memcpy(xfs_btree_high_key_addr(cur, ptr, block), &key->high, > + cur->bc_ops->key_len); > +} > + > /* > * Insert one record/level. Return information to the caller > * allowing the next level up to proceed if necessary. > @@ -2927,7 +3195,7 @@ xfs_btree_insrec( > struct xfs_btree_cur *cur, /* btree cursor */ > int level, /* level to insert record at */ > union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ > - union xfs_btree_key *key, /* i/o: block key for ptrp */ > + struct xfs_btree_double_key *key, /* i/o: block key for ptrp */ > struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ > int *stat) /* success/failure */ > { > @@ -2935,7 +3203,7 @@ xfs_btree_insrec( > struct xfs_buf *bp; /* buffer for block */ > union xfs_btree_ptr nptr; /* new block ptr */ > struct xfs_btree_cur *ncur; /* new btree cursor */ > - union xfs_btree_key nkey; /* new block key */ > + struct xfs_btree_double_key nkey; /* new block key */ > union xfs_btree_rec rec; /* record to insert */ > int optr; /* old key/record index */ > int ptr; /* key/record index */ > @@ -2944,11 +3212,12 @@ xfs_btree_insrec( > #ifdef DEBUG > int i; > #endif > + xfs_daddr_t old_bn; > > /* Make a key out of the record data to be inserted, and save it. */ > if (level == 0) { > cur->bc_ops->init_rec_from_cur(cur, &rec); > - cur->bc_ops->init_key_from_rec(key, &rec); > + cur->bc_ops->init_key_from_rec(&key->low, &rec); > } > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > @@ -2983,6 +3252,7 @@ xfs_btree_insrec( > > /* Get pointers to the btree buffer and block. */ > block = xfs_btree_get_block(cur, level, &bp); > + old_bn = bp ? bp->b_bn : XFS_BUF_DADDR_NULL; > numrecs = xfs_btree_get_numrecs(block); > > #ifdef DEBUG > @@ -2996,7 +3266,7 @@ xfs_btree_insrec( > ASSERT(cur->bc_ops->recs_inorder(cur, &rec, > xfs_btree_rec_addr(cur, ptr, block))); > } else { > - ASSERT(cur->bc_ops->keys_inorder(cur, key, > + ASSERT(cur->bc_ops->keys_inorder(cur, &key->low, > xfs_btree_key_addr(cur, ptr, block))); > } > } > @@ -3059,7 +3329,7 @@ xfs_btree_insrec( > #endif > > /* Now put the new data in, bump numrecs and log it. */ > - xfs_btree_copy_keys(cur, kp, key, 1); > + xfs_btree_copy_double_keys(cur, ptr, block, key); > xfs_btree_copy_ptrs(cur, pp, ptrp, 1); > numrecs++; > xfs_btree_set_numrecs(block, numrecs); > @@ -3095,8 +3365,24 @@ xfs_btree_insrec( > xfs_btree_log_block(cur, bp, XFS_BB_NUMRECS); > > /* If we inserted at the start of a block, update the parents' keys. */ This comment is associated with the codeblock that has been pushed further down, no? > + if (ncur && bp->b_bn != old_bn) { > + /* > + * We just inserted into a new tree block, which means that > + * the key for the block is in nkey, not the tree. > + */ > + if (level == 0) > + xfs_btree_find_leaf_keys(cur, block, &nkey.low, > + &nkey.high); > + else > + xfs_btree_find_node_keys(cur, block, &nkey.low, > + &nkey.high); > + } else { > + /* Updating the left block, do it the standard way. */ > + xfs_btree_updkeys(cur, level); > + } > + Not quite sure I follow the purpose of this hunk. Is this for the case where a btree split occurs, nkey is filled in for the new/right block and then (after nkey is filled in) the new record ends up being added to the new block? If so, what about the case where ncur is not created? (It looks like that's possible from the code, but I could easily be missing some context as to why that's not the case.) In any event, I think we could elaborate a bit in the comment on why this is necessary. I'd also move it above the top-level if/else. > if (optr == 1) { > - error = xfs_btree_updkey(cur, key, level + 1); > + error = xfs_btree_updkey(cur, &key->low, level + 1); > if (error) > goto error0; > } > @@ -3147,7 +3433,7 @@ xfs_btree_insert( > union xfs_btree_ptr nptr; /* new block number (split result) */ > struct xfs_btree_cur *ncur; /* new cursor (split result) */ > struct xfs_btree_cur *pcur; /* previous level's cursor */ > - union xfs_btree_key key; /* key of block to insert */ > + struct xfs_btree_double_key key; /* key of block to insert */ Probably should fix up the function param alignment here and the couple other or so places we make this change. Brian > > level = 0; > ncur = NULL; > @@ -3552,6 +3838,7 @@ xfs_btree_delrec( > * If we deleted the leftmost entry in the block, update the > * key values above us in the tree. > */ > + xfs_btree_updkeys(cur, level); > if (ptr == 1) { > error = xfs_btree_updkey(cur, keyp, level + 1); > if (error) > @@ -3882,6 +4169,16 @@ xfs_btree_delrec( > if (level > 0) > cur->bc_ptrs[level]--; > > + /* > + * We combined blocks, so we have to update the parent keys if the > + * btree supports overlapped intervals. However, bc_ptrs[level + 1] > + * points to the old block so that the caller knows which record to > + * delete. Therefore, the caller must be savvy enough to call updkeys > + * for us if we return stat == 2. The other exit points from this > + * function don't require deletions further up the tree, so they can > + * call updkeys directly. > + */ > + > XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); > /* Return value means the next level up has something to do. */ > *stat = 2; > @@ -3907,6 +4204,7 @@ xfs_btree_delete( > int error; /* error return value */ > int level; > int i; > + bool joined = false; > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > > @@ -3920,8 +4218,17 @@ xfs_btree_delete( > error = xfs_btree_delrec(cur, level, &i); > if (error) > goto error0; > + if (i == 2) > + joined = true; > } > > + /* > + * If we combined blocks as part of deleting the record, delrec won't > + * have updated the parent keys so we have to do that here. > + */ > + if (joined) > + xfs_btree_updkeys_force(cur, 0); > + > if (i == 0) { > for (level = 1; level < cur->bc_nlevels; level++) { > if (cur->bc_ptrs[level] == 0) { > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index b99c018..a5ec6c7 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -126,6 +126,9 @@ struct xfs_btree_ops { > size_t key_len; > size_t rec_len; > > + /* flags */ > + uint flags; > + > /* cursor operations */ > struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); > void (*update_cursor)(struct xfs_btree_cur *src, > @@ -162,11 +165,21 @@ struct xfs_btree_ops { > union xfs_btree_rec *rec); > void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, > union xfs_btree_ptr *ptr); > + void (*init_high_key_from_rec)(union xfs_btree_key *key, > + union xfs_btree_rec *rec); > > /* difference between key value and cursor value */ > __int64_t (*key_diff)(struct xfs_btree_cur *cur, > union xfs_btree_key *key); > > + /* > + * Difference between key2 and key1 -- positive if key2 > key1, > + * negative if key2 < key1, and zero if equal. > + */ > + __int64_t (*diff_two_keys)(struct xfs_btree_cur *cur, > + union xfs_btree_key *key1, > + union xfs_btree_key *key2); > + > const struct xfs_buf_ops *buf_ops; > > #if defined(DEBUG) || defined(XFS_WARN) > @@ -182,6 +195,9 @@ struct xfs_btree_ops { > #endif > }; > > +/* btree ops flags */ > +#define XFS_BTREE_OPS_OVERLAPPING (1<<0) /* overlapping intervals */ > + > /* > * Reasons for the update_lastrec method to be called. > */ > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > index 68f27f7..ffea28c 100644 > --- a/fs/xfs/xfs_trace.h > +++ b/fs/xfs/xfs_trace.h > @@ -38,6 +38,7 @@ struct xlog_recover_item; > struct xfs_buf_log_format; > struct xfs_inode_log_format; > struct xfs_bmbt_irec; > +struct xfs_btree_cur; > > DECLARE_EVENT_CLASS(xfs_attr_list_class, > TP_PROTO(struct xfs_attr_list_context *ctx), > @@ -2183,6 +2184,41 @@ DEFINE_DISCARD_EVENT(xfs_discard_toosmall); > DEFINE_DISCARD_EVENT(xfs_discard_exclude); > DEFINE_DISCARD_EVENT(xfs_discard_busy); > > +/* btree cursor events */ > +DECLARE_EVENT_CLASS(xfs_btree_cur_class, > + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), > + TP_ARGS(cur, level, bp), > + TP_STRUCT__entry( > + __field(dev_t, dev) > + __field(xfs_btnum_t, btnum) > + __field(int, level) > + __field(int, nlevels) > + __field(int, ptr) > + __field(xfs_daddr_t, daddr) > + ), > + TP_fast_assign( > + __entry->dev = cur->bc_mp->m_super->s_dev; > + __entry->btnum = cur->bc_btnum; > + __entry->level = level; > + __entry->nlevels = cur->bc_nlevels; > + __entry->ptr = cur->bc_ptrs[level]; > + __entry->daddr = bp->b_bn; > + ), > + TP_printk("dev %d:%d btnum %d level %d/%d ptr %d daddr 0x%llx", > + MAJOR(__entry->dev), MINOR(__entry->dev), > + __entry->btnum, > + __entry->level, > + __entry->nlevels, > + __entry->ptr, > + (unsigned long long)__entry->daddr) > +) > + > +#define DEFINE_BTREE_CUR_EVENT(name) \ > +DEFINE_EVENT(xfs_btree_cur_class, name, \ > + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ > + TP_ARGS(cur, level, bp)) > +DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > + > #endif /* _TRACE_XFS_H */ > > #undef TRACE_INCLUDE_PATH > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Wed Jun 22 10:18:08 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CDA987CA0 for ; Wed, 22 Jun 2016 10:18:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 353FAAC007 for ; Wed, 22 Jun 2016 08:18:05 -0700 (PDT) X-ASG-Debug-ID: 1466608682-04cb6c063e78510001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 8ZBpNMZNVnhQpDFP (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 22 Jun 2016 08:18:03 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5EC1B7AE94; Wed, 22 Jun 2016 15:18:02 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-2.bos.redhat.com [10.18.41.2]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5MFI1Ff024827; Wed, 22 Jun 2016 11:18:02 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id A2E3D1201DB; Wed, 22 Jun 2016 11:18:00 -0400 (EDT) Date: Wed, 22 Jun 2016 11:18:00 -0400 From: Brian Foster To: "Darrick J. Wong" Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 014/119] xfs: introduce interval queries on btrees Message-ID: <20160622151800.GC5423@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 014/119] xfs: introduce interval queries on btrees References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612636170.12839.675596870201079078.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612636170.12839.675596870201079078.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 22 Jun 2016 15:18:02 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466608682 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12207 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:19:21PM -0700, Darrick J. Wong wrote: > Create a function to enable querying of btree records mapping to a > range of keys. This will be used in subsequent patches to allow > querying the reverse mapping btree to find the extents mapped to a > range of physical blocks, though the generic code can be used for > any range query. > > v2: add some shortcuts so that we can jump out of processing once > we know there won't be any more records to find. > > Signed-off-by: Darrick J. Wong > --- > fs/xfs/libxfs/xfs_btree.c | 249 +++++++++++++++++++++++++++++++++++++++++++++ > fs/xfs/libxfs/xfs_btree.h | 22 +++- > fs/xfs/xfs_trace.h | 1 > 3 files changed, 267 insertions(+), 5 deletions(-) > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index afcafd6..5f5cf23 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -4509,3 +4509,252 @@ xfs_btree_calc_size( > } > return rval; > } > + > +/* Query a regular btree for all records overlapping a given interval. */ Can you elaborate on the search algorithm used? (More for reference against the overlapped query, as that one is more complex). > +STATIC int > +xfs_btree_simple_query_range( > + struct xfs_btree_cur *cur, > + union xfs_btree_irec *low_rec, > + union xfs_btree_irec *high_rec, > + xfs_btree_query_range_fn fn, > + void *priv) > +{ > + union xfs_btree_rec *recp; > + union xfs_btree_rec rec; > + union xfs_btree_key low_key; > + union xfs_btree_key high_key; > + union xfs_btree_key rec_key; > + __int64_t diff; > + int stat; > + bool firstrec = true; > + int error; > + > + ASSERT(cur->bc_ops->init_high_key_from_rec); > + > + /* Find the keys of both ends of the interval. */ > + cur->bc_rec = *high_rec; > + cur->bc_ops->init_rec_from_cur(cur, &rec); > + cur->bc_ops->init_key_from_rec(&high_key, &rec); > + > + cur->bc_rec = *low_rec; > + cur->bc_ops->init_rec_from_cur(cur, &rec); > + cur->bc_ops->init_key_from_rec(&low_key, &rec); > + > + /* Find the leftmost record. */ > + stat = 0; > + error = xfs_btree_lookup(cur, XFS_LOOKUP_LE, &stat); > + if (error) > + goto out; > + > + while (stat) { > + /* Find the record. */ > + error = xfs_btree_get_rec(cur, &recp, &stat); > + if (error || !stat) > + break; > + > + /* Can we tell if this record is too low? */ > + if (firstrec) { > + cur->bc_rec = *low_rec; > + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); > + diff = cur->bc_ops->key_diff(cur, &rec_key); > + if (diff < 0) > + goto advloop; > + } > + firstrec = false; This could move up into the if block. > + > + /* Have we gone past the end? */ > + cur->bc_rec = *high_rec; > + cur->bc_ops->init_key_from_rec(&rec_key, recp); I'd move this up to immediately after the xfs_btree_get_rec() call and eliminate the duplicate in the 'if (firstrec)' block above. > + diff = cur->bc_ops->key_diff(cur, &rec_key); > + if (diff > 0) > + break; > + > + /* Callback */ > + error = fn(cur, recp, priv); > + if (error < 0 || error == XFS_BTREE_QUERY_RANGE_ABORT) > + break; > + > +advloop: > + /* Move on to the next record. */ > + error = xfs_btree_increment(cur, 0, &stat); > + if (error) > + break; > + } > + > +out: > + return error; > +} > + > +/* > + * Query an overlapped interval btree for all records overlapping a given > + * interval. > + */ Same comment here, can you elaborate on the search algorithm? Also, I think an example or generic description of the rules around what records this query returns (e.g., low_rec/high_rec vs. record low/high keys) would be useful, particularly since I, at least, don't have much context on the rmap+reflink scenarios quite yet. > +STATIC int > +xfs_btree_overlapped_query_range( > + struct xfs_btree_cur *cur, > + union xfs_btree_irec *low_rec, > + union xfs_btree_irec *high_rec, > + xfs_btree_query_range_fn fn, > + void *priv) > +{ > + union xfs_btree_ptr ptr; > + union xfs_btree_ptr *pp; > + union xfs_btree_key rec_key; > + union xfs_btree_key low_key; > + union xfs_btree_key high_key; > + union xfs_btree_key *lkp; > + union xfs_btree_key *hkp; > + union xfs_btree_rec rec; > + union xfs_btree_rec *recp; > + struct xfs_btree_block *block; > + __int64_t ldiff; > + __int64_t hdiff; > + int level; > + struct xfs_buf *bp; > + int i; > + int error; > + > + /* Find the keys of both ends of the interval. */ > + cur->bc_rec = *high_rec; > + cur->bc_ops->init_rec_from_cur(cur, &rec); > + cur->bc_ops->init_key_from_rec(&high_key, &rec); > + > + cur->bc_rec = *low_rec; > + cur->bc_ops->init_rec_from_cur(cur, &rec); > + cur->bc_ops->init_key_from_rec(&low_key, &rec); > + > + /* Load the root of the btree. */ > + level = cur->bc_nlevels - 1; > + cur->bc_ops->init_ptr_from_cur(cur, &ptr); > + error = xfs_btree_lookup_get_block(cur, level, &ptr, &block); > + if (error) > + return error; > + xfs_btree_get_block(cur, level, &bp); > + trace_xfs_btree_overlapped_query_range(cur, level, bp); > +#ifdef DEBUG > + error = xfs_btree_check_block(cur, block, level, bp); > + if (error) > + goto out; > +#endif > + cur->bc_ptrs[level] = 1; > + > + while (level < cur->bc_nlevels) { > + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); > + > + if (level == 0) { > + /* End of leaf, pop back towards the root. */ > + if (cur->bc_ptrs[level] > > + be16_to_cpu(block->bb_numrecs)) { > +leaf_pop_up: > + if (level < cur->bc_nlevels - 1) > + cur->bc_ptrs[level + 1]++; > + level++; > + continue; > + } > + > + recp = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); > + > + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); > + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, > + &rec_key); > + > + cur->bc_ops->init_key_from_rec(&rec_key, recp); > + hdiff = cur->bc_ops->diff_two_keys(cur, &rec_key, > + &high_key); > + This looked a little funny to me because I expected diff_two_keys() to basically be param1 - param2. Looking ahead at the rmapbt code, it is in fact the other way around. I'm not sure we have precedent for either way, tbh. I still have to stare at this some more, but I wonder if a "does record overlap" helper (with comments) would help clean this up a bit. > + /* If the record matches, callback */ > + if (ldiff >= 0 && hdiff >= 0) { > + error = fn(cur, recp, priv); > + if (error < 0 || > + error == XFS_BTREE_QUERY_RANGE_ABORT) > + break; > + } else if (hdiff < 0) { > + /* Record is larger than high key; pop. */ > + goto leaf_pop_up; > + } > + cur->bc_ptrs[level]++; > + continue; > + } > + > + /* End of node, pop back towards the root. */ > + if (cur->bc_ptrs[level] > be16_to_cpu(block->bb_numrecs)) { > +node_pop_up: > + if (level < cur->bc_nlevels - 1) > + cur->bc_ptrs[level + 1]++; > + level++; > + continue; Looks like same code as leaf_pop_up. I wonder if we can bury this at the end of the loop with a common label. > + } > + > + lkp = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); > + hkp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level], block); > + pp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[level], block); > + > + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, hkp); > + hdiff = cur->bc_ops->diff_two_keys(cur, lkp, &high_key); > + > + /* If the key matches, drill another level deeper. */ > + if (ldiff >= 0 && hdiff >= 0) { > + level--; > + error = xfs_btree_lookup_get_block(cur, level, pp, > + &block); > + if (error) > + goto out; > + xfs_btree_get_block(cur, level, &bp); > + trace_xfs_btree_overlapped_query_range(cur, level, bp); > +#ifdef DEBUG > + error = xfs_btree_check_block(cur, block, level, bp); > + if (error) > + goto out; > +#endif > + cur->bc_ptrs[level] = 1; > + continue; > + } else if (hdiff < 0) { > + /* The low key is larger than the upper range; pop. */ > + goto node_pop_up; > + } > + cur->bc_ptrs[level]++; > + } > + > +out: > + /* > + * If we don't end this function with the cursor pointing at a record > + * block, a subsequent non-error cursor deletion will not release > + * node-level buffers, causing a buffer leak. This is quite possible > + * with a zero-results range query, so release the buffers if we > + * failed to return any results. > + */ > + if (cur->bc_bufs[0] == NULL) { > + for (i = 0; i < cur->bc_nlevels; i++) { > + if (cur->bc_bufs[i]) { > + xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[i]); > + cur->bc_bufs[i] = NULL; > + cur->bc_ptrs[i] = 0; > + cur->bc_ra[i] = 0; > + } > + } > + } > + > + return error; > +} > + > +/* > + * Query a btree for all records overlapping a given interval of keys. The > + * supplied function will be called with each record found; return one of the > + * XFS_BTREE_QUERY_RANGE_{CONTINUE,ABORT} values or the usual negative error > + * code. This function returns XFS_BTREE_QUERY_RANGE_ABORT, zero, or a > + * negative error code. > + */ > +int > +xfs_btree_query_range( > + struct xfs_btree_cur *cur, > + union xfs_btree_irec *low_rec, > + union xfs_btree_irec *high_rec, > + xfs_btree_query_range_fn fn, > + void *priv) > +{ > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > + return xfs_btree_simple_query_range(cur, low_rec, > + high_rec, fn, priv); > + return xfs_btree_overlapped_query_range(cur, low_rec, high_rec, > + fn, priv); > +} > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index a5ec6c7..898fee5 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -206,6 +206,12 @@ struct xfs_btree_ops { > #define LASTREC_DELREC 2 > > > +union xfs_btree_irec { > + xfs_alloc_rec_incore_t a; > + xfs_bmbt_irec_t b; > + xfs_inobt_rec_incore_t i; > +}; > + We might as well kill off the typedef usage here. Brian > /* > * Btree cursor structure. > * This collects all information needed by the btree code in one place. > @@ -216,11 +222,7 @@ typedef struct xfs_btree_cur > struct xfs_mount *bc_mp; /* file system mount struct */ > const struct xfs_btree_ops *bc_ops; > uint bc_flags; /* btree features - below */ > - union { > - xfs_alloc_rec_incore_t a; > - xfs_bmbt_irec_t b; > - xfs_inobt_rec_incore_t i; > - } bc_rec; /* current insert/search record value */ > + union xfs_btree_irec bc_rec; /* current insert/search record value */ > struct xfs_buf *bc_bufs[XFS_BTREE_MAXLEVELS]; /* buf ptr per level */ > int bc_ptrs[XFS_BTREE_MAXLEVELS]; /* key/record # */ > __uint8_t bc_ra[XFS_BTREE_MAXLEVELS]; /* readahead bits */ > @@ -494,4 +496,14 @@ xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, > uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, > unsigned long len); > > +/* return codes */ > +#define XFS_BTREE_QUERY_RANGE_CONTINUE 0 /* keep iterating */ > +#define XFS_BTREE_QUERY_RANGE_ABORT 1 /* stop iterating */ > +typedef int (*xfs_btree_query_range_fn)(struct xfs_btree_cur *cur, > + union xfs_btree_rec *rec, void *priv); > + > +int xfs_btree_query_range(struct xfs_btree_cur *cur, > + union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, > + xfs_btree_query_range_fn fn, void *priv); > + > #endif /* __XFS_BTREE_H__ */ > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > index ffea28c..f0ac9c9 100644 > --- a/fs/xfs/xfs_trace.h > +++ b/fs/xfs/xfs_trace.h > @@ -2218,6 +2218,7 @@ DEFINE_EVENT(xfs_btree_cur_class, name, \ > TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ > TP_ARGS(cur, level, bp)) > DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > +DEFINE_BTREE_CUR_EVENT(xfs_btree_overlapped_query_range); > > #endif /* _TRACE_XFS_H */ > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:26 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3F1957CA0 for ; Wed, 22 Jun 2016 10:27:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id F04B9304084 for ; Wed, 22 Jun 2016 08:27:25 -0700 (PDT) X-ASG-Debug-ID: 1466609242-04cbb0273882b30001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id IWxgWOFQNwrpNmTm (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:23 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk3m-0006W4-4l; Wed, 22 Jun 2016 15:27:22 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 1/8] xfs: don't pass ioflags around in the ioctl path Date: Wed, 22 Jun 2016 17:27:09 +0200 X-ASG-Orig-Subj: [PATCH 1/8] xfs: don't pass ioflags around in the ioctl path Message-Id: <1466609236-23801-2-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> References: <1466609236-23801-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609243 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3867 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Instead check the file pointer for the invisble I/O flag directly, and use the chance to drop redundant arguments from the xfs_ioc_space prototype. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_ioctl.c | 22 ++++++++-------------- fs/xfs/xfs_ioctl.h | 3 --- fs/xfs/xfs_ioctl32.c | 6 +----- 3 files changed, 9 insertions(+), 22 deletions(-) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index dbca737..6ab5a24 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -595,13 +595,12 @@ xfs_attrmulti_by_handle( int xfs_ioc_space( - struct xfs_inode *ip, - struct inode *inode, struct file *filp, - int ioflags, unsigned int cmd, xfs_flock64_t *bf) { + struct inode *inode = file_inode(filp); + struct xfs_inode *ip = XFS_I(inode); struct iattr iattr; enum xfs_prealloc_flags flags = 0; uint iolock = XFS_IOLOCK_EXCL; @@ -626,7 +625,7 @@ xfs_ioc_space( if (filp->f_flags & O_DSYNC) flags |= XFS_PREALLOC_SYNC; - if (ioflags & XFS_IO_INVIS) + if (filp->f_mode & FMODE_NOCMTIME) flags |= XFS_PREALLOC_INVISIBLE; error = mnt_want_write_file(filp); @@ -1464,8 +1463,7 @@ xfs_getbmap_format(void **ap, struct getbmapx *bmv, int *full) STATIC int xfs_ioc_getbmap( - struct xfs_inode *ip, - int ioflags, + struct file *file, unsigned int cmd, void __user *arg) { @@ -1479,10 +1477,10 @@ xfs_ioc_getbmap( return -EINVAL; bmx.bmv_iflags = (cmd == XFS_IOC_GETBMAPA ? BMV_IF_ATTRFORK : 0); - if (ioflags & XFS_IO_INVIS) + if (file->f_mode & FMODE_NOCMTIME) bmx.bmv_iflags |= BMV_IF_NO_DMAPI_READ; - error = xfs_getbmap(ip, &bmx, xfs_getbmap_format, + error = xfs_getbmap(XFS_I(file_inode(file)), &bmx, xfs_getbmap_format, (__force struct getbmap *)arg+1); if (error) return error; @@ -1619,12 +1617,8 @@ xfs_file_ioctl( struct xfs_inode *ip = XFS_I(inode); struct xfs_mount *mp = ip->i_mount; void __user *arg = (void __user *)p; - int ioflags = 0; int error; - if (filp->f_mode & FMODE_NOCMTIME) - ioflags |= XFS_IO_INVIS; - trace_xfs_file_ioctl(ip); switch (cmd) { @@ -1643,7 +1637,7 @@ xfs_file_ioctl( if (copy_from_user(&bf, arg, sizeof(bf))) return -EFAULT; - return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); + return xfs_ioc_space(filp, cmd, &bf); } case XFS_IOC_DIOINFO: { struct dioattr da; @@ -1702,7 +1696,7 @@ xfs_file_ioctl( case XFS_IOC_GETBMAP: case XFS_IOC_GETBMAPA: - return xfs_ioc_getbmap(ip, ioflags, cmd, arg); + return xfs_ioc_getbmap(filp, cmd, arg); case XFS_IOC_GETBMAPX: return xfs_ioc_getbmapx(ip, arg); diff --git a/fs/xfs/xfs_ioctl.h b/fs/xfs/xfs_ioctl.h index 77c02c7..8b52881 100644 --- a/fs/xfs/xfs_ioctl.h +++ b/fs/xfs/xfs_ioctl.h @@ -20,10 +20,7 @@ extern int xfs_ioc_space( - struct xfs_inode *ip, - struct inode *inode, struct file *filp, - int ioflags, unsigned int cmd, xfs_flock64_t *bf); diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index 1a05d8a..321f577 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -532,12 +532,8 @@ xfs_file_compat_ioctl( struct xfs_inode *ip = XFS_I(inode); struct xfs_mount *mp = ip->i_mount; void __user *arg = (void __user *)p; - int ioflags = 0; int error; - if (filp->f_mode & FMODE_NOCMTIME) - ioflags |= XFS_IO_INVIS; - trace_xfs_file_compat_ioctl(ip); switch (cmd) { @@ -589,7 +585,7 @@ xfs_file_compat_ioctl( if (xfs_compat_flock64_copyin(&bf, arg)) return -EFAULT; cmd = _NATIVE_IOC(cmd, struct xfs_flock64); - return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); + return xfs_ioc_space(filp, cmd, &bf); } case XFS_IOC_FSGEOMETRY_V1_32: return xfs_compat_ioc_fsgeometry_v1(mp, arg); -- 2.1.4 From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=LOCALPART_IN_SUBJECT autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 326267CA0 for ; Wed, 22 Jun 2016 10:27:27 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 043F0304066 for ; Wed, 22 Jun 2016 08:27:23 -0700 (PDT) X-ASG-Debug-ID: 1466609240-04cb6c063f7b6a0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id cF8cj3dSHHwbXDoG (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:20 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk3j-0006TZ-GC; Wed, 22 Jun 2016 15:27:19 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: xfs: untangle the direct I/O and DAX path, fix DAX locking Date: Wed, 22 Jun 2016 17:27:08 +0200 X-ASG-Orig-Subj: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-Id: <1466609236-23801-1-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609240 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 610 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 1.60 X-Barracuda-Spam-Status: No, SCORE=1.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, LOCALPART_IN_SUBJECT, LOCALPART_IN_SUBJECT_2, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 LOCALPART_IN_SUBJECT Local part of To: address appears in Subject 1.00 LOCALPART_IN_SUBJECT_2 Local part of To: address appears in Subject 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 The last patch is what started the series: XFS currently uses the direct I/O locking strategy for DAX because DAX was overloaded onto the direct I/O path. For XFS this means that we only take a shared inode lock instead of the normal exclusive one for writes IFF they are properly aligned. While this is fine for O_DIRECT which requires explicit opt-in from the application it's not fine for DAX where we'll suddenly lose expected and required synchronization of the file system happens to use DAX undeneath. Patches 1-7 just untangle the code so that we can deal with DAX on it's own easily. From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:28 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6F9ED7CB1 for ; Wed, 22 Jun 2016 10:27:28 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 410A0304066 for ; Wed, 22 Jun 2016 08:27:28 -0700 (PDT) X-ASG-Debug-ID: 1466609245-04cb6c063e7b750001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id nL40nXmHE3aXr0Ff (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:26 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk3o-0006Ya-O6; Wed, 22 Jun 2016 15:27:25 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 2/8] xfs: kill ioflags Date: Wed, 22 Jun 2016 17:27:10 +0200 X-ASG-Orig-Subj: [PATCH 2/8] xfs: kill ioflags Message-Id: <1466609236-23801-3-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> References: <1466609236-23801-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609245 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5553 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Now that we have the direct I/O kiocb flag there is no real need to sample the value inside of XFS, and the invis flag was always just partially used and isn't worth keeping this infrastructure around for. This also splits the read tracepoint into buffered vs direct as we've done for writes a long time ago. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_file.c | 26 +++++++++----------------- fs/xfs/xfs_inode.h | 10 ---------- fs/xfs/xfs_trace.h | 19 ++++++++----------- 3 files changed, 17 insertions(+), 38 deletions(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 713991c..b32e6b0 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -249,18 +249,12 @@ xfs_file_read_iter( struct xfs_mount *mp = ip->i_mount; size_t size = iov_iter_count(to); ssize_t ret = 0; - int ioflags = 0; xfs_fsize_t n; loff_t pos = iocb->ki_pos; XFS_STATS_INC(mp, xs_read_calls); - if (unlikely(iocb->ki_flags & IOCB_DIRECT)) - ioflags |= XFS_IO_ISDIRECT; - if (file->f_mode & FMODE_NOCMTIME) - ioflags |= XFS_IO_INVIS; - - if ((ioflags & XFS_IO_ISDIRECT) && !IS_DAX(inode)) { + if ((iocb->ki_flags & IOCB_DIRECT) && !IS_DAX(inode)) { xfs_buftarg_t *target = XFS_IS_REALTIME_INODE(ip) ? mp->m_rtdev_targp : mp->m_ddev_targp; @@ -293,7 +287,7 @@ xfs_file_read_iter( * serialisation. */ xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); - if ((ioflags & XFS_IO_ISDIRECT) && inode->i_mapping->nrpages) { + if ((iocb->ki_flags & IOCB_DIRECT) && inode->i_mapping->nrpages) { xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); xfs_rw_ilock(ip, XFS_IOLOCK_EXCL); @@ -327,7 +321,10 @@ xfs_file_read_iter( xfs_rw_ilock_demote(ip, XFS_IOLOCK_EXCL); } - trace_xfs_file_read(ip, size, pos, ioflags); + if (iocb->ki_flags & IOCB_DIRECT) + trace_xfs_file_direct_read(ip, size, pos); + else + trace_xfs_file_buffered_read(ip, size, pos); ret = generic_file_read_iter(iocb, to); if (ret > 0) @@ -346,18 +343,14 @@ xfs_file_splice_read( unsigned int flags) { struct xfs_inode *ip = XFS_I(infilp->f_mapping->host); - int ioflags = 0; ssize_t ret; XFS_STATS_INC(ip->i_mount, xs_read_calls); - if (infilp->f_mode & FMODE_NOCMTIME) - ioflags |= XFS_IO_INVIS; - if (XFS_FORCED_SHUTDOWN(ip->i_mount)) return -EIO; - trace_xfs_file_splice_read(ip, count, *ppos, ioflags); + trace_xfs_file_splice_read(ip, count, *ppos); /* * DAX inodes cannot ues the page cache for splice, so we have to push @@ -620,7 +613,7 @@ xfs_file_dio_aio_write( iolock = XFS_IOLOCK_SHARED; } - trace_xfs_file_direct_write(ip, count, iocb->ki_pos, 0); + trace_xfs_file_direct_write(ip, count, iocb->ki_pos); data = *from; ret = mapping->a_ops->direct_IO(iocb, &data); @@ -670,8 +663,7 @@ xfs_file_buffered_aio_write( current->backing_dev_info = inode_to_bdi(inode); write_retry: - trace_xfs_file_buffered_write(ip, iov_iter_count(from), - iocb->ki_pos, 0); + trace_xfs_file_buffered_write(ip, iov_iter_count(from), iocb->ki_pos); ret = iomap_file_buffered_write(iocb, from, &xfs_iomap_ops); if (likely(ret >= 0)) iocb->ki_pos += ret; diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 0c19d3d..8eb78ec 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -473,14 +473,4 @@ do { \ extern struct kmem_zone *xfs_inode_zone; -/* - * Flags for read/write calls - */ -#define XFS_IO_ISDIRECT 0x00001 /* bypass page cache */ -#define XFS_IO_INVIS 0x00002 /* don't update inode timestamps */ - -#define XFS_IO_FLAGS \ - { XFS_IO_ISDIRECT, "DIRECT" }, \ - { XFS_IO_INVIS, "INVIS"} - #endif /* __XFS_INODE_H__ */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 6787a9f..2504f94 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -1135,15 +1135,14 @@ TRACE_EVENT(xfs_log_assign_tail_lsn, ) DECLARE_EVENT_CLASS(xfs_file_class, - TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags), - TP_ARGS(ip, count, offset, flags), + TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset), + TP_ARGS(ip, count, offset), TP_STRUCT__entry( __field(dev_t, dev) __field(xfs_ino_t, ino) __field(xfs_fsize_t, size) __field(loff_t, offset) __field(size_t, count) - __field(int, flags) ), TP_fast_assign( __entry->dev = VFS_I(ip)->i_sb->s_dev; @@ -1151,23 +1150,21 @@ DECLARE_EVENT_CLASS(xfs_file_class, __entry->size = ip->i_d.di_size; __entry->offset = offset; __entry->count = count; - __entry->flags = flags; ), - TP_printk("dev %d:%d ino 0x%llx size 0x%llx " - "offset 0x%llx count 0x%zx ioflags %s", + TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset 0x%llx count 0x%zx", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, __entry->size, __entry->offset, - __entry->count, - __print_flags(__entry->flags, "|", XFS_IO_FLAGS)) + __entry->count) ) #define DEFINE_RW_EVENT(name) \ DEFINE_EVENT(xfs_file_class, name, \ - TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags), \ - TP_ARGS(ip, count, offset, flags)) -DEFINE_RW_EVENT(xfs_file_read); + TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset), \ + TP_ARGS(ip, count, offset)) +DEFINE_RW_EVENT(xfs_file_buffered_read); +DEFINE_RW_EVENT(xfs_file_direct_read); DEFINE_RW_EVENT(xfs_file_buffered_write); DEFINE_RW_EVENT(xfs_file_direct_write); DEFINE_RW_EVENT(xfs_file_splice_read); -- 2.1.4 From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:29 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D95A57CB1 for ; Wed, 22 Jun 2016 10:27:29 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id AB82E304066 for ; Wed, 22 Jun 2016 08:27:29 -0700 (PDT) X-ASG-Debug-ID: 1466609247-04cbb0273682bd0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id msMqZAuC0pC3fUFz (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:28 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk3r-0006aR-CI; Wed, 22 Jun 2016 15:27:27 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 3/8] xfs: remove s_maxbytes enforcement in xfs_file_read_iter Date: Wed, 22 Jun 2016 17:27:11 +0200 X-ASG-Orig-Subj: [PATCH 3/8] xfs: remove s_maxbytes enforcement in xfs_file_read_iter Message-Id: <1466609236-23801-4-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> References: <1466609236-23801-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609248 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 889 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 All the three low-level read implementations that we might call already take care of not overflowing the maximum supported bytes, no need to duplicate it here. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_file.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index b32e6b0..09a5a78 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -249,7 +249,6 @@ xfs_file_read_iter( struct xfs_mount *mp = ip->i_mount; size_t size = iov_iter_count(to); ssize_t ret = 0; - xfs_fsize_t n; loff_t pos = iocb->ki_pos; XFS_STATS_INC(mp, xs_read_calls); @@ -266,13 +265,6 @@ xfs_file_read_iter( } } - n = mp->m_super->s_maxbytes - pos; - if (n <= 0 || size == 0) - return 0; - - if (n < size) - size = n; - if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; -- 2.1.4 From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:33 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 70A007CBC for ; Wed, 22 Jun 2016 10:27:33 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 239B28F8081 for ; Wed, 22 Jun 2016 08:27:33 -0700 (PDT) X-ASG-Debug-ID: 1466609250-04bdf05e6d849d0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id RUJqa4CCYJBawx7G (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:30 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk3t-0006cv-Uw; Wed, 22 Jun 2016 15:27:30 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 4/8] xfs: split xfs_file_read_iter into buffered and direct I/O helpers Date: Wed, 22 Jun 2016 17:27:12 +0200 X-ASG-Orig-Subj: [PATCH 4/8] xfs: split xfs_file_read_iter into buffered and direct I/O helpers Message-Id: <1466609236-23801-5-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> References: <1466609236-23801-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609250 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4466 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Similar to what we did on the write side a while ago. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_file.c | 83 ++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 57 insertions(+), 26 deletions(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 09a5a78..e584333 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -239,35 +239,33 @@ xfs_file_fsync( } STATIC ssize_t -xfs_file_read_iter( +xfs_file_dio_aio_read( struct kiocb *iocb, struct iov_iter *to) { - struct file *file = iocb->ki_filp; - struct inode *inode = file->f_mapping->host; + struct address_space *mapping = iocb->ki_filp->f_mapping; + struct inode *inode = mapping->host; struct xfs_inode *ip = XFS_I(inode); - struct xfs_mount *mp = ip->i_mount; - size_t size = iov_iter_count(to); + size_t count = iov_iter_count(to); + struct xfs_buftarg *target; ssize_t ret = 0; - loff_t pos = iocb->ki_pos; - XFS_STATS_INC(mp, xs_read_calls); + trace_xfs_file_direct_read(ip, count, iocb->ki_pos); - if ((iocb->ki_flags & IOCB_DIRECT) && !IS_DAX(inode)) { - xfs_buftarg_t *target = - XFS_IS_REALTIME_INODE(ip) ? - mp->m_rtdev_targp : mp->m_ddev_targp; + if (XFS_IS_REALTIME_INODE(ip)) + target = ip->i_mount->m_rtdev_targp; + else + target = ip->i_mount->m_ddev_targp; + + if (!IS_DAX(inode)) { /* DIO must be aligned to device logical sector size */ - if ((pos | size) & target->bt_logical_sectormask) { - if (pos == i_size_read(inode)) + if ((iocb->ki_pos | count) & target->bt_logical_sectormask) { + if (iocb->ki_pos == i_size_read(inode)) return 0; return -EINVAL; } } - if (XFS_FORCED_SHUTDOWN(mp)) - return -EIO; - /* * Locking is a bit tricky here. If we take an exclusive lock for direct * IO, we effectively serialise all new concurrent read IO to this file @@ -279,7 +277,7 @@ xfs_file_read_iter( * serialisation. */ xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); - if ((iocb->ki_flags & IOCB_DIRECT) && inode->i_mapping->nrpages) { + if (mapping->nrpages) { xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); xfs_rw_ilock(ip, XFS_IOLOCK_EXCL); @@ -294,8 +292,8 @@ xfs_file_read_iter( * flush and reduce the chances of repeated iolock cycles going * forward. */ - if (inode->i_mapping->nrpages) { - ret = filemap_write_and_wait(VFS_I(ip)->i_mapping); + if (mapping->nrpages) { + ret = filemap_write_and_wait(mapping); if (ret) { xfs_rw_iunlock(ip, XFS_IOLOCK_EXCL); return ret; @@ -306,23 +304,56 @@ xfs_file_read_iter( * we fail to invalidate a page, but this should never * happen on XFS. Warn if it does fail. */ - ret = invalidate_inode_pages2(VFS_I(ip)->i_mapping); + ret = invalidate_inode_pages2(mapping); WARN_ON_ONCE(ret); ret = 0; } xfs_rw_ilock_demote(ip, XFS_IOLOCK_EXCL); } + ret = generic_file_read_iter(iocb, to); + xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); + + return ret; +} + +STATIC ssize_t +xfs_file_buffered_aio_read( + struct kiocb *iocb, + struct iov_iter *to) +{ + struct xfs_inode *ip = XFS_I(file_inode(iocb->ki_filp)); + ssize_t ret; + + trace_xfs_file_buffered_read(ip, iov_iter_count(to), iocb->ki_pos); + + xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); + ret = generic_file_read_iter(iocb, to); + xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); + + return ret; +} + +STATIC ssize_t +xfs_file_read_iter( + struct kiocb *iocb, + struct iov_iter *to) +{ + struct xfs_mount *mp = XFS_I(file_inode(iocb->ki_filp))->i_mount; + ssize_t ret = 0; + + XFS_STATS_INC(mp, xs_read_calls); + + if (XFS_FORCED_SHUTDOWN(mp)) + return -EIO; + if (iocb->ki_flags & IOCB_DIRECT) - trace_xfs_file_direct_read(ip, size, pos); + ret = xfs_file_dio_aio_read(iocb, to); else - trace_xfs_file_buffered_read(ip, size, pos); + ret = xfs_file_buffered_aio_read(iocb, to); - ret = generic_file_read_iter(iocb, to); if (ret > 0) XFS_STATS_ADD(mp, xs_read_bytes, ret); - - xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); return ret; } @@ -578,7 +609,7 @@ xfs_file_dio_aio_write( end = iocb->ki_pos + count - 1; /* - * See xfs_file_read_iter() for why we do a full-file flush here. + * See xfs_file_dio_aio_read() for why we do a full-file flush here. */ if (mapping->nrpages) { ret = filemap_write_and_wait(VFS_I(ip)->i_mapping); -- 2.1.4 From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:35 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A2C887CB1 for ; Wed, 22 Jun 2016 10:27:35 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 73CB98F8059 for ; Wed, 22 Jun 2016 08:27:35 -0700 (PDT) X-ASG-Debug-ID: 1466609253-04cbb0273582c10001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id PBSa1jlfKcxDviFT (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:33 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk3w-0006ek-H7; Wed, 22 Jun 2016 15:27:32 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 5/8] xfs: stop using generic_file_read_iter for direct I/O Date: Wed, 22 Jun 2016 17:27:13 +0200 X-ASG-Orig-Subj: [PATCH 5/8] xfs: stop using generic_file_read_iter for direct I/O Message-Id: <1466609236-23801-6-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> References: <1466609236-23801-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609253 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1888 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 XFS already implement it's own flushing of the pagecache because it implements proper synchronization for direct I/O reads. This means calling generic_file_read_iter for direct I/O is rather useless, as it doesn't do much but updating the atime and iocb position for us. This also gets rid of the buffered I/O fallback that isn't used for XFS. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_file.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index e584333..f761f49 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -246,12 +246,17 @@ xfs_file_dio_aio_read( struct address_space *mapping = iocb->ki_filp->f_mapping; struct inode *inode = mapping->host; struct xfs_inode *ip = XFS_I(inode); + loff_t isize = i_size_read(inode); size_t count = iov_iter_count(to); + struct iov_iter data; struct xfs_buftarg *target; ssize_t ret = 0; trace_xfs_file_direct_read(ip, count, iocb->ki_pos); + if (!count) + return 0; /* skip atime */ + if (XFS_IS_REALTIME_INODE(ip)) target = ip->i_mount->m_rtdev_targp; else @@ -260,7 +265,7 @@ xfs_file_dio_aio_read( if (!IS_DAX(inode)) { /* DIO must be aligned to device logical sector size */ if ((iocb->ki_pos | count) & target->bt_logical_sectormask) { - if (iocb->ki_pos == i_size_read(inode)) + if (iocb->ki_pos == isize) return 0; return -EINVAL; } @@ -311,9 +316,15 @@ xfs_file_dio_aio_read( xfs_rw_ilock_demote(ip, XFS_IOLOCK_EXCL); } - ret = generic_file_read_iter(iocb, to); + data = *to; + ret = mapping->a_ops->direct_IO(iocb, &data); + if (ret > 0) { + iocb->ki_pos += ret; + iov_iter_advance(to, ret); + } xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); + file_accessed(iocb->ki_filp); return ret; } -- 2.1.4 From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:38 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5A3767CCE for ; Wed, 22 Jun 2016 10:27:38 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 266DC8F8059 for ; Wed, 22 Jun 2016 08:27:38 -0700 (PDT) X-ASG-Debug-ID: 1466609255-04cb6c063d7b840001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id kBQ3pru0URxQkmiI (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:36 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk3z-0006gq-2M; Wed, 22 Jun 2016 15:27:35 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 6/8] xfs: direct calls in the direct I/O path Date: Wed, 22 Jun 2016 17:27:14 +0200 X-ASG-Orig-Subj: [PATCH 6/8] xfs: direct calls in the direct I/O path Message-Id: <1466609236-23801-7-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> References: <1466609236-23801-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609256 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3164 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 We control both the callers and callees of ->direct_IO, so remove the indirect calls. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_aops.c | 24 +++++------------------- fs/xfs/xfs_aops.h | 3 +++ fs/xfs/xfs_file.c | 17 +++++++++++++++-- 3 files changed, 23 insertions(+), 21 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 80714eb..b368277 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1303,7 +1303,7 @@ xfs_get_blocks_dax_fault( * whereas if we have flags set we will always be called in task context * (i.e. from a workqueue). */ -STATIC int +int xfs_end_io_direct_write( struct kiocb *iocb, loff_t offset, @@ -1374,24 +1374,10 @@ xfs_vm_direct_IO( struct kiocb *iocb, struct iov_iter *iter) { - struct inode *inode = iocb->ki_filp->f_mapping->host; - dio_iodone_t *endio = NULL; - int flags = 0; - struct block_device *bdev; - - if (iov_iter_rw(iter) == WRITE) { - endio = xfs_end_io_direct_write; - flags = DIO_ASYNC_EXTEND; - } - - if (IS_DAX(inode)) { - return dax_do_io(iocb, inode, iter, - xfs_get_blocks_direct, endio, 0); - } - - bdev = xfs_find_bdev_for_inode(inode); - return __blockdev_direct_IO(iocb, inode, bdev, iter, - xfs_get_blocks_direct, endio, NULL, flags); + /* + * We just need the method present so that open/fcntl allow direct I/O. + */ + return -EINVAL; } STATIC sector_t diff --git a/fs/xfs/xfs_aops.h b/fs/xfs/xfs_aops.h index 814aab7..bf2d9a1 100644 --- a/fs/xfs/xfs_aops.h +++ b/fs/xfs/xfs_aops.h @@ -60,6 +60,9 @@ int xfs_get_blocks_direct(struct inode *inode, sector_t offset, int xfs_get_blocks_dax_fault(struct inode *inode, sector_t offset, struct buffer_head *map_bh, int create); +int xfs_end_io_direct_write(struct kiocb *iocb, loff_t offset, + ssize_t size, void *private); + extern void xfs_count_page_state(struct page *, int *, int *); extern struct block_device *xfs_find_bdev_for_inode(struct inode *); diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index f761f49..24b267d 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -317,7 +317,13 @@ xfs_file_dio_aio_read( } data = *to; - ret = mapping->a_ops->direct_IO(iocb, &data); + if (IS_DAX(inode)) { + ret = dax_do_io(iocb, inode, &data, xfs_get_blocks_direct, + NULL, 0); + } else { + ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, + xfs_get_blocks_direct, NULL, NULL, 0); + } if (ret > 0) { iocb->ki_pos += ret; iov_iter_advance(to, ret); @@ -650,7 +656,14 @@ xfs_file_dio_aio_write( trace_xfs_file_direct_write(ip, count, iocb->ki_pos); data = *from; - ret = mapping->a_ops->direct_IO(iocb, &data); + if (IS_DAX(inode)) { + ret = dax_do_io(iocb, inode, &data, xfs_get_blocks_direct, + xfs_end_io_direct_write, 0); + } else { + ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, + xfs_get_blocks_direct, xfs_end_io_direct_write, + NULL, DIO_ASYNC_EXTEND); + } /* see generic_file_direct_write() for why this is necessary */ if (mapping->nrpages) { -- 2.1.4 From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:41 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E7ED17CB5 for ; Wed, 22 Jun 2016 10:27:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id B00D9304084 for ; Wed, 22 Jun 2016 08:27:41 -0700 (PDT) X-ASG-Debug-ID: 1466609258-04cb6c063c7b880001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id tSAfwONIKtpJZsMS (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:38 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk41-0006iS-KQ; Wed, 22 Jun 2016 15:27:38 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 7/8] xfs: split direct I/O and DAX path Date: Wed, 22 Jun 2016 17:27:15 +0200 X-ASG-Orig-Subj: [PATCH 7/8] xfs: split direct I/O and DAX path Message-Id: <1466609236-23801-8-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> References: <1466609236-23801-1-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609258 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7112 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 So far the DAX code overloaded the direct I/O code path. There is very little in common between the two, and untangling them allows to clean up both variants. As a ѕide effect we also get separate trace points for both I/O types. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_file.c | 139 ++++++++++++++++++++++++++++++++++++++++++----------- fs/xfs/xfs_trace.h | 2 + 2 files changed, 112 insertions(+), 29 deletions(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 24b267d..0e74325 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -262,13 +262,11 @@ xfs_file_dio_aio_read( else target = ip->i_mount->m_ddev_targp; - if (!IS_DAX(inode)) { - /* DIO must be aligned to device logical sector size */ - if ((iocb->ki_pos | count) & target->bt_logical_sectormask) { - if (iocb->ki_pos == isize) - return 0; - return -EINVAL; - } + /* DIO must be aligned to device logical sector size */ + if ((iocb->ki_pos | count) & target->bt_logical_sectormask) { + if (iocb->ki_pos == isize) + return 0; + return -EINVAL; } /* @@ -317,13 +315,37 @@ xfs_file_dio_aio_read( } data = *to; - if (IS_DAX(inode)) { - ret = dax_do_io(iocb, inode, &data, xfs_get_blocks_direct, - NULL, 0); - } else { - ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, - xfs_get_blocks_direct, NULL, NULL, 0); + ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, + xfs_get_blocks_direct, NULL, NULL, 0); + if (ret > 0) { + iocb->ki_pos += ret; + iov_iter_advance(to, ret); } + xfs_rw_iunlock(ip, XFS_IOLOCK_SHARED); + + file_accessed(iocb->ki_filp); + return ret; +} + +STATIC ssize_t +xfs_file_dax_read( + struct kiocb *iocb, + struct iov_iter *to) +{ + struct address_space *mapping = iocb->ki_filp->f_mapping; + struct inode *inode = mapping->host; + struct xfs_inode *ip = XFS_I(inode); + struct iov_iter data = *to; + size_t count = iov_iter_count(to); + ssize_t ret = 0; + + trace_xfs_file_dax_read(ip, count, iocb->ki_pos); + + if (!count) + return 0; /* skip atime */ + + xfs_rw_ilock(ip, XFS_IOLOCK_SHARED); + ret = dax_do_io(iocb, inode, &data, xfs_get_blocks_direct, NULL, 0); if (ret > 0) { iocb->ki_pos += ret; iov_iter_advance(to, ret); @@ -356,7 +378,8 @@ xfs_file_read_iter( struct kiocb *iocb, struct iov_iter *to) { - struct xfs_mount *mp = XFS_I(file_inode(iocb->ki_filp))->i_mount; + struct inode *inode = file_inode(iocb->ki_filp); + struct xfs_mount *mp = XFS_I(inode)->i_mount; ssize_t ret = 0; XFS_STATS_INC(mp, xs_read_calls); @@ -364,7 +387,9 @@ xfs_file_read_iter( if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; - if (iocb->ki_flags & IOCB_DIRECT) + if (IS_DAX(inode)) + ret = xfs_file_dax_read(iocb, to); + else if (iocb->ki_flags & IOCB_DIRECT) ret = xfs_file_dio_aio_read(iocb, to); else ret = xfs_file_buffered_aio_read(iocb, to); @@ -586,8 +611,7 @@ xfs_file_dio_aio_write( mp->m_rtdev_targp : mp->m_ddev_targp; /* DIO must be aligned to device logical sector size */ - if (!IS_DAX(inode) && - ((iocb->ki_pos | count) & target->bt_logical_sectormask)) + if ((iocb->ki_pos | count) & target->bt_logical_sectormask) return -EINVAL; /* "unaligned" here means not aligned to a filesystem block */ @@ -656,14 +680,9 @@ xfs_file_dio_aio_write( trace_xfs_file_direct_write(ip, count, iocb->ki_pos); data = *from; - if (IS_DAX(inode)) { - ret = dax_do_io(iocb, inode, &data, xfs_get_blocks_direct, - xfs_end_io_direct_write, 0); - } else { - ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, - xfs_get_blocks_direct, xfs_end_io_direct_write, - NULL, DIO_ASYNC_EXTEND); - } + ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, + xfs_get_blocks_direct, xfs_end_io_direct_write, + NULL, DIO_ASYNC_EXTEND); /* see generic_file_direct_write() for why this is necessary */ if (mapping->nrpages) { @@ -680,10 +699,70 @@ out: xfs_rw_iunlock(ip, iolock); /* - * No fallback to buffered IO on errors for XFS. DAX can result in - * partial writes, but direct IO will either complete fully or fail. + * No fallback to buffered IO on errors for XFS, direct IO will either + * complete fully or fail. + */ + ASSERT(ret < 0 || ret == count); + return ret; +} + +STATIC ssize_t +xfs_file_dax_write( + struct kiocb *iocb, + struct iov_iter *from) +{ + struct address_space *mapping = iocb->ki_filp->f_mapping; + struct inode *inode = mapping->host; + struct xfs_inode *ip = XFS_I(inode); + struct xfs_mount *mp = ip->i_mount; + ssize_t ret = 0; + int unaligned_io = 0; + int iolock; + struct iov_iter data; + + /* "unaligned" here means not aligned to a filesystem block */ + if ((iocb->ki_pos & mp->m_blockmask) || + ((iocb->ki_pos + iov_iter_count(from)) & mp->m_blockmask)) { + unaligned_io = 1; + iolock = XFS_IOLOCK_EXCL; + } else if (mapping->nrpages) { + iolock = XFS_IOLOCK_EXCL; + } else { + iolock = XFS_IOLOCK_SHARED; + } + xfs_rw_ilock(ip, iolock); + + ret = xfs_file_aio_write_checks(iocb, from, &iolock); + if (ret) + goto out; + + /* + * Yes, even DAX files can have page cache attached to them: A zeroed + * page is inserted into the pagecache when we have to serve a write + * fault on a hole. It should never be dirtied and can simply be + * dropped from the pagecache once we get real data for the page. */ - ASSERT(ret < 0 || ret == count || IS_DAX(VFS_I(ip))); + if (mapping->nrpages) { + ret = invalidate_inode_pages2(mapping); + WARN_ON_ONCE(ret); + } + + if (iolock == XFS_IOLOCK_EXCL && !unaligned_io) { + xfs_rw_ilock_demote(ip, XFS_IOLOCK_EXCL); + iolock = XFS_IOLOCK_SHARED; + } + + trace_xfs_file_dax_write(ip, iov_iter_count(from), iocb->ki_pos); + + data = *from; + ret = dax_do_io(iocb, inode, &data, xfs_get_blocks_direct, + xfs_end_io_direct_write, 0); + if (ret > 0) { + iocb->ki_pos += ret; + iov_iter_advance(from, ret); + } +out: + xfs_rw_iunlock(ip, iolock); return ret; } @@ -765,7 +844,9 @@ xfs_file_write_iter( if (XFS_FORCED_SHUTDOWN(ip->i_mount)) return -EIO; - if ((iocb->ki_flags & IOCB_DIRECT) || IS_DAX(inode)) + if (IS_DAX(inode)) + ret = xfs_file_dax_write(iocb, from); + else if (iocb->ki_flags & IOCB_DIRECT) ret = xfs_file_dio_aio_write(iocb, from); else ret = xfs_file_buffered_aio_write(iocb, from); diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 2504f94..1451690 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -1165,8 +1165,10 @@ DEFINE_EVENT(xfs_file_class, name, \ TP_ARGS(ip, count, offset)) DEFINE_RW_EVENT(xfs_file_buffered_read); DEFINE_RW_EVENT(xfs_file_direct_read); +DEFINE_RW_EVENT(xfs_file_dax_read); DEFINE_RW_EVENT(xfs_file_buffered_write); DEFINE_RW_EVENT(xfs_file_direct_write); +DEFINE_RW_EVENT(xfs_file_dax_write); DEFINE_RW_EVENT(xfs_file_splice_read); DECLARE_EVENT_CLASS(xfs_page_class, -- 2.1.4 From BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org Wed Jun 22 10:27:42 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 849A07CB5 for ; Wed, 22 Jun 2016 10:27:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 3CBDB8F8059 for ; Wed, 22 Jun 2016 08:27:42 -0700 (PDT) X-ASG-Debug-ID: 1466609260-04bdf05e6e84ae0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id R6uOXHgAaWKoA5nZ (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 22 Jun 2016 08:27:40 -0700 (PDT) X-Barracuda-Envelope-From: BATV+33f16d706b64780ffb45+4686+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFk44-0006kD-5H; Wed, 22 Jun 2016 15:27:40 +0000 From: Christoph Hellwig To: xfs@oss.sgi.com Cc: linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 8/8] xfs: fix locking for DAX writes Date: Wed, 22 Jun 2016 17:27:16 +0200 X-ASG-Orig-Subj: [PATCH 8/8] xfs: fix locking for DAX writes Message-Id: <1466609236-23801-9-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> References: <1466609236-23801-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466609260 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1910 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30662 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 So far DAX writes inherited the locking from direct I/O writes, but the direct I/O model of using shared locks for writes is actually wrong for DAX. For direct I/O we're out of any standards and don't have to provide the Posix required exclusion between writers, but for DAX which gets transparently enable on applications without any knowledge of it we can't simply drop the requirement. Even worse this only happens for aligned writes and thus doesn't show up for many typical use cases. Signed-off-by: Christoph Hellwig --- fs/xfs/xfs_file.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 0e74325..413c9e0 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -714,24 +714,11 @@ xfs_file_dax_write( struct address_space *mapping = iocb->ki_filp->f_mapping; struct inode *inode = mapping->host; struct xfs_inode *ip = XFS_I(inode); - struct xfs_mount *mp = ip->i_mount; ssize_t ret = 0; - int unaligned_io = 0; - int iolock; + int iolock = XFS_IOLOCK_EXCL; struct iov_iter data; - /* "unaligned" here means not aligned to a filesystem block */ - if ((iocb->ki_pos & mp->m_blockmask) || - ((iocb->ki_pos + iov_iter_count(from)) & mp->m_blockmask)) { - unaligned_io = 1; - iolock = XFS_IOLOCK_EXCL; - } else if (mapping->nrpages) { - iolock = XFS_IOLOCK_EXCL; - } else { - iolock = XFS_IOLOCK_SHARED; - } xfs_rw_ilock(ip, iolock); - ret = xfs_file_aio_write_checks(iocb, from, &iolock); if (ret) goto out; @@ -747,11 +734,6 @@ xfs_file_dax_write( WARN_ON_ONCE(ret); } - if (iolock == XFS_IOLOCK_EXCL && !unaligned_io) { - xfs_rw_ilock_demote(ip, XFS_IOLOCK_EXCL); - iolock = XFS_IOLOCK_SHARED; - } - trace_xfs_file_dax_write(ip, iov_iter_count(from), iocb->ki_pos); data = *from; -- 2.1.4 From danny@zadarastorage.com Wed Jun 22 10:58:22 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C41D97CA3 for ; Wed, 22 Jun 2016 10:58:22 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 37CC2AC007 for ; Wed, 22 Jun 2016 08:58:22 -0700 (PDT) X-ASG-Debug-ID: 1466611098-04cb6c063f84340001-NocioJ Received: from mail-lf0-f53.google.com (mail-lf0-f53.google.com [209.85.215.53]) by cuda.sgi.com with ESMTP id VZ2sYOJMU3j3TUIi (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; 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bh=BXsQM6F2JtqLKjogyC8+Ax4rhDd9AOfS6nCmh0JnT9Y=; b=SQSwoxOg+oDT3FDECJ4trRsEcvD/VA5l5j3n3KLSZivufnhQUC2wC7cMN+h2opj7lI +X794SaL1+4nwD1y/aNm8TfkWuMxyH5bJ0crS8QQSBVbHTHBdkLCzK+fmxrUDauhF42z zvgbAKw7F6TWkMnZLqEdgtITeFFj95WmItaCUCQLzouE4/oY1PZlMa08DOCwKdM37710 DW8RGjWhLwEBj3ov3otx7BCBmICQv38TrdqqruW5MUuFNkiZxtzRLvABpqR2VzdWvj0x fzEwwY2kVbJOpxTsoQRaUT2O5nAbLEkmb5HXtCj2FXfGSH7HvE+t+MqwvOJf0hvS+iO4 YHXQ== X-Gm-Message-State: ALyK8tI9GqwgMaGLRdycgL/P3kkp8anglk7TqWEpBWQ9k/ht0x5iBPTrMEx/CmvE7xNW5y/jRtn0LwslON6iUw== X-Received: by 10.25.2.195 with SMTP id 186mr9858034lfc.36.1466611097787; Wed, 22 Jun 2016 08:58:17 -0700 (PDT) MIME-Version: 1.0 Received: by 10.114.5.37 with HTTP; Wed, 22 Jun 2016 08:58:16 -0700 (PDT) From: Danny Shavit Date: Wed, 22 Jun 2016 18:58:16 +0300 Message-ID: Subject: xfs metadata overhead To: xfs@oss.sgi.com X-ASG-Orig-Subj: xfs metadata overhead Content-Type: multipart/alternative; boundary=001a113ca6068203c20535e00154 X-Barracuda-Connect: mail-lf0-f53.google.com[209.85.215.53] X-Barracuda-Start-Time: 1466611099 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 934 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30663 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --001a113ca6068203c20535e00154 Content-Type: text/plain; charset=UTF-8 Hi, We are looking for a method to estimate the size of metadata overhead for a given file system. We would like to use this value as indicator for the amount of cache memory a system for faster operation. Are there any counters that are maintained in the on-disk data structures like free space for examples? -- Thank you, Danny Shavit Zadarastorage --001a113ca6068203c20535e00154 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

We are looking for a method to esti= mate the size of metadata overhead for a given file system.
We wo= uld like to use this value as indicator for the amount of cache memory a sy= stem for faster operation.
Are there any counters that are mainta= ined in the on-disk data structures=C2=A0like free space for examples?

--
Thank you,
Danny Shavit=
Zadarastorage

--001a113ca6068203c20535e00154-- From darrick.wong@oracle.com Wed Jun 22 12:40:37 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 3DA537CA1 for ; Wed, 22 Jun 2016 12:40:37 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 03A26304048 for ; Wed, 22 Jun 2016 10:40:33 -0700 (PDT) X-ASG-Debug-ID: 1466617231-04cb6c063ea3e30001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id voN1or8ECsRRWeok (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 22 Jun 2016 10:40:31 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5MHeUWw013790 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 22 Jun 2016 17:40:30 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5MHeUqo010674 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 22 Jun 2016 17:40:30 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5MHeSSJ031954 for ; Wed, 22 Jun 2016 17:40:29 GMT Received: from localhost (/173.240.251.56) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 22 Jun 2016 10:40:26 -0700 Date: Wed, 22 Jun 2016 10:40:25 -0700 From: "Darrick J. Wong" To: xfs@oss.sgi.com Subject: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly Message-ID: <20160622174025.GB5042@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 2/2] xfs_check: process sparse inode chunks correctly References: <1466441562-12317-1-git-send-email-bfoster@redhat.com> <1466441562-12317-3-git-send-email-bfoster@redhat.com> <20160621090153.GB28212@redhat.com> <20160621232940.GQ12670@dastard> <20160622080324.GG28212@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622080324.GG28212@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466617231 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3350 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30667 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Wed, Jun 22, 2016 at 10:03:24AM +0200, Carlos Maiolino wrote: > On Wed, Jun 22, 2016 at 09:29:40AM +1000, Dave Chinner wrote: > > On Tue, Jun 21, 2016 at 08:54:04AM -0500, Eric Sandeen wrote: > > > > > > > > > On 6/21/16 4:01 AM, Carlos Maiolino wrote: > > > > On Mon, Jun 20, 2016 at 12:52:42PM -0400, Brian Foster wrote: > > > >> Update the inode btree scanning functions to process sparse inode chunks > > > >> correctly. For filesystems with sparse inode support enabled, process > > > >> each chunk a cluster at a time. Each cluster is checked against the > > > >> inobt record to determine if it is a hole and skipped if so. > > > >> > > > >> Note that since xfs_check is deprecated in favor of xfs_repair, this > > > >> adds the minimum support necessary to process sparse inode enabled > > > >> filesystems. In other words, this adds no sparse inode specific checks > > > >> or verifications. We only update the inobt scanning functions to extend > > > >> the existing level of verification to sparse inode enabled filesystems > > > >> (e.g., avoid incorrectly tracking sparse regions as inodes). Problems > > > >> or corruptions associated with sparse inode records must be detected and > > > >> recovered via xfs_repair. > > > >> > > > > > > > > Hi, > > > > > > > > I'm not quite sure, but a while ago, I thought I've heard some rumors about > > > > deprecating xfs_check, is this true or something that my mind made up for some > > > > weird reason? > > > > > > Yes, like Brian said above. ;) > > > > > > bfc541e xfsprogs: remove xfs_check > > > 12a48f5 xfsprogs: remove xfs_check references from fsck.xfs script & manpage > > > > > > However, we still run check inside xfs_db in xfstests as an independent > > > verification step: > > > > > > 187bccd xfstests: Remove dependence of xfs_check script > > > > > > +# xfs_check script is planned to be deprecated. But, we want to > > > +# be able to invoke "xfs_check" behavior in xfstests in order to > > > +# maintain the current verification levels. > > > +_xfs_check() > > > > Right - it's a secondary set of code that effectively tells us > > whether repair is detecting all the problems it should. i.e. if > > check fails and repair doesn't, then we've got a bug in repair that > > needs fixing. > > > > Just out of curiosity here, have we hit any case like that for the past few > versions? I have, while writing reflink. Granted, that only happened /once/. While we're talking about repair/xfstests, I also started running xfs_repair and then xfs_repair -n to _check_xfs_filesystem, which helped me find some cases where the rmapbt rebuild wasn't quite right. --D > > > Also, the check code is really just an "addon" to other > > functionality in xfs_db (e.g. blockget) that we have to keep, so > > removing check doesn't really gain us all that much in terms of > > reduced maintenance overhead. So long as we can easily keep check up > > to date with new features I think we shoul dbe keeping it... > > > > Good to know. > > Cheers o/ > > > Cheers, > > > > Dave. > > -- > > Dave Chinner > > david@fromorbit.com > > > > -- > Carlos > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From am7314012@gmail.com Wed Jun 22 15:34:06 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.4 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HDRS_LCASE,HTML_MESSAGE,T_FRT_CONTACT autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EB7D27CA1 for ; Wed, 22 Jun 2016 15:34:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id A7FA08F8033 for ; Wed, 22 Jun 2016 13:34:03 -0700 (PDT) X-ASG-Debug-ID: 1466627639-04cbb02736d6de0001-NocioJ Received: from vps33700.lws-hosting.com (vps33700.lws-hosting.com [91.234.194.100]) by cuda.sgi.com with ESMTP id gRmB02vGNlB21GPC (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 22 Jun 2016 13:34:00 -0700 (PDT) X-Barracuda-Envelope-From: am7314012@gmail.com X-Barracuda-Effective-Source-IP: vps33700.lws-hosting.com[91.234.194.100] X-Barracuda-Apparent-Source-IP: 91.234.194.100 Received: from localhost (localhost.localdomain [127.0.0.1]) by vps33700.lws-hosting.com (Postfix) with ESMTP id 38659361BEE; Wed, 22 Jun 2016 22:33:46 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at vps33700.lws-hosting.com Received: from vps33700.lws-hosting.com ([127.0.0.1]) by localhost (vps33700.lws-hosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EKtMITgeVspZ; Wed, 22 Jun 2016 22:33:45 +0200 (CEST) Received: from [93.113.206.29] (vps-16173.fhnet.fr [93.113.206.29]) (Authenticated sender: infos-schafer@anja.ch) by vps33700.lws-hosting.com (Postfix) with ESMTPSA id EBD80361BC9; Wed, 22 Jun 2016 22:33:11 +0200 (CEST) Message-Id: Mime-Version: 1.0 From: Anja To: Undisclosed-Recipients:; Reply-To: anjas-chafer@jaschke.be Subject: =?iso-8859-1?Q?Ernst__und_sehr_vertraulich__/s=E9rieux_et_tr=E8s_confidentielle_?= Date: Wed, 22 Jun 2016 22:33:37 +0200 X-ASG-Orig-Subj: =?iso-8859-1?Q?Ernst__und_sehr_vertraulich__/s=E9rieux_et_tr=E8s_confidentielle_?= Content-type: multipart/alternative; Boundary="--=BOUNDARY_6222233_WHAC_LMDS_ETMT_VRDS" X-Barracuda-Connect: vps33700.lws-hosting.com[91.234.194.100] X-Barracuda-Start-Time: 1466627640 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5706 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30670 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message Ce message est au format MIME. Comme votre logiciel de courrier ne comprendpas ce format, tout ou partie de ce message pourrait être illisible. ----=BOUNDARY_6222233_WHAC_LMDS_ETMT_VRDS Content-type: text/plain; charset=iso-8859-1; format=flowed Content-transfer-encoding: quoted-printable Hallo Wenn Sie diese Nachricht senden wollte, ist dies nicht einfach Zufall= =2E Und zwar deshalb, weil Ihre e-Mail-Adresse durch den elektronischen Rob= oter sicherte sich meine WX=2E7AR BW ausgew=E4hlt wurde=2E Zun=E4chst m=F6chte ich f=FCr dieses Eindringen in Ihr Leben zu entschuldig= en, obwohl ich zugeben, dass es mir sehr wichtig ist=2E Mein Name ist Anja = Schafer=2E Ich leide an einer Dysfunktion des Herzen und totale L=E4hmung m= einer Mitglieder seit nun mehr als 7 Jahre und eine halbe und es leider, me= in Arzt hat nur informierte mich, dass ich bin voll unheilbar und, dass mei= ne Tage, weil meine etwas gez=E4hlt sind abgebaut Gesundheits-Zustand= =2E Ich bin eine Witwe und ich habe nicht Kind, das ich fange an zu bitter = bereuen=2E In der Tat ist der Grund warum ich Sie kontaktiere m=F6chte ich einen Teil = meines Eigentums zu spenden, weil ich niemand haben die Erben k=F6nnte= =2E Ich verkaufte fast alle meine Sachen, einschlie=DFlich einer Ausfuhr vo= n Holz und Kautschuk und eine Stahlindustrie in Europa, wo ich mehr als 10 = Jahren Leben=2E Ein Gro=DFteil dieser Mittel, die gesammelt wurden untersch= iedliche Assoziationen auf humanit=E4re Zeichen =FCberall auf der Welt Kontaktieren Sie mich und erhalten meine Spende f=FCr Ihre Projekte zu Gott m=F6ge Sie segnen Anja =2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E= =2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E Bonjour , Si j'ai voulu vous envoyer ce message, ce n'est pas un simple hasard= =2E C'est parce que votre E-mail a =E9t=E9 s=E9lectionn=E9 par le Robot = =E9lectronique bien s=E9curis=E9 de mon P=2EC WX=2E7AR=2E Je tiens dans un premier temps =E0 m'excuser pour cette intrusion dans votr= e vie m=EAme si j'avoue que cela est tr=E8s important pour moi=2E Je m'appe= lle anja schafer =2E Je souffre d'un dysfonctionnement de Cour et la paral= ysie totale des mes membres depuis maintenant plus de 7 ans et demi et l= =E0 malheureusement, mon m=E9decin traitant vient de m'informer que je suis= en pleine phase terminale et que mes jours sont compt=E9s du fait de mon = =E9tat de sant=E9 assez d=E9grad=E9=2E Je suis veuve et je n'ai pas eu d'en= fant ce que je commence =E0 regretter am=E8rement=2E Au fait, la raison pour laquelle je vous contacte est que je souhaite faire= Don d'une partie de mes biens vu que je n'ai personne qui pourrait en h= =E9riter=2E J'ai presque vendu toutes mes affaires dont une entreprise d'e= xportation de bois et d'h=E9v=E9a et une Sid=E9rurgie en Europe o=F9 je vis= depuis maintenant plus de 10 ans=2E Une grosse partie de tous ces fonds r= =E9colt=E9s a =E9t=E9 vers=E9e aupr=E8s de diff=E9rentes associations = =E0 caract=E8res humanitaires un peu partout dans le monde Contactez moi et b=E9n=E9ficier de ma donation pour vos projets Que Dieu vous B=E9nis ----=BOUNDARY_6222233_WHAC_LMDS_ETMT_VRDS Content-type: text/html; charset=iso-8859-1 Content-transfer-encoding: quoted-printable HTML Message

Hallo
Wenn Sie diese Nachricht senden= wollte, ist dies nicht einfach Zufall=2E Und zwar deshalb, weil Ihre e-Mai= l-Adresse durch den elektronischen Roboter sicherte sich meine WX=2E7AR BW = ausgew=E4hlt wurde=2E
Zun=E4chst m=F6chte ich f=FCr dieses Eindringen in= Ihr Leben zu entschuldigen, obwohl ich zugeben, dass es mir sehr wichtig i= st=2E Mein Name ist Anja Schafer=2E Ich leide an einer Dysfunktion des Herz= en und totale L=E4hmung meiner Mitglieder seit nun mehr als 7 Jahre und ein= e halbe und es leider, mein Arzt hat nur informierte mich, dass ich bin vol= l unheilbar und, dass meine Tage, weil meine etwas gez=E4hlt sind abgebaut = Gesundheits-Zustand=2E Ich bin eine Witwe und ich habe nicht Kind, das ich = fange an zu bitter bereuen=2E
In der Tat ist der Grund warum ich Sie kon= taktiere m=F6chte ich einen Teil meines Eigentums zu spenden, weil ich niem= and haben die Erben k=F6nnte=2E Ich verkaufte fast alle meine Sachen, einsc= hließlich einer Ausfuhr von Holz und Kautschuk und eine Stahlindustri= e in Europa, wo ich mehr als 10 Jahren Leben=2E Ein Großteil dieser M= ittel, die gesammelt wurden unterschiedliche Assoziationen auf humanit= =E4re Zeichen =FCberall auf der Welt
Kontaktieren Sie mich und erhalten= meine Spende f=FCr Ihre Projekte zu
Gott m=F6ge Sie segnen
Anja
=
=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E= =2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E=2E
Bonjour ,

Si = j'ai voulu vous envoyer ce message, ce n'est pas un simple hasard=2E C'est = parce que votre E-mail a =E9t=E9 s=E9lectionn=E9 par le Robot =E9lectroniqu= e bien s=E9curis=E9 de mon P=2EC WX=2E7AR=2E

Je tiens dans un premie= r temps =E0 m'excuser pour cette intrusion dans votre vie m=EAme si j'avoue= que cela est tr=E8s important pour moi=2E Je m'appelle anja schafer = =2E Je souffre d'un dysfonctionnement de Cœur et la paralysie totale d= es mes membres depuis maintenant plus de 7 ans et demi et l=E0 malheureuse= ment, mon m=E9decin traitant vient de m'informer que je suis en pleine phas= e terminale et que mes jours sont compt=E9s du fait de mon =E9tat de sant= =E9 assez d=E9grad=E9=2E Je suis veuve et je n'ai pas eu d'enfant ce que je= commence =E0 regretter am=E8rement=2E

Au fait, la raison pour laque= lle je vous contacte est que je souhaite faire Don d'une partie de mes bien= s vu que je n'ai personne qui pourrait en h=E9riter=2E J'ai presque vendu t= outes mes affaires dont une entreprise d'exportation de bois et d'h= =E9v=E9a et une Sid=E9rurgie en Europe o=F9 je vis depuis maintenant plus d= e 10 ans=2E Une grosse partie de tous ces fonds r=E9colt=E9s a =E9t=E9 vers= =E9e aupr=E8s de diff=E9rentes associations =E0 caract=E8res humanitaires u= n peu partout dans le monde
Contactez moi et b=E9n=E9ficier de ma donat= ion pour vos projets
Que Dieu vous B=E9nis

----=BOUNDARY_6222233_WHAC_LMDS_ETMT_VRDS-- From david@fromorbit.com Wed Jun 22 17:11:11 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C66047CA1 for ; Wed, 22 Jun 2016 17:11:11 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4E7A9AC003 for ; Wed, 22 Jun 2016 15:11:11 -0700 (PDT) X-ASG-Debug-ID: 1466633463-04cb6c063ced800001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id k1MR51CaOJwDrHh5 for ; Wed, 22 Jun 2016 15:11:03 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CtFwCo7GpXEJgMLHlegz5WfYJ2omYBAQEGjDuKDyKFbwICAQECgS9NAQEBAQEBBwEBAQEBAQEBPkCETAEBAQMBOhwjBQsIAxgJGgsPBSUDBxoTiCgHD8UHAQEBAQEFAgEfBR6FQYUVhBIRAQYJhUsdBYgNhWuBMoQghTOGCIgbgXOEU4hnj3yDD4FHKjIBiS4NF4EeAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 23 Jun 2016 07:40:00 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFqLP-0004FV-Eo; Thu, 23 Jun 2016 08:09:59 +1000 Date: Thu, 23 Jun 2016 08:09:59 +1000 From: Dave Chinner To: Damien Gombault Cc: xfs@oss.sgi.com Subject: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed Message-ID: <20160622220959.GV12670@dastard> X-ASG-Orig-Subj: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466633463 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3217 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30673 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header [please line wrap your email at 68-72 columns] On Wed, Jun 22, 2016 at 04:45:19PM +0200, Damien Gombault wrote: > Hi. > > I have reported few weeks ago a bug on the Red Hat Bugzilla for > CentOS 7 : https://bugzilla.redhat.com/show_bug.cgi?id=1341126 I > had to restore a level0+level1 dump for my ownCloud server, but > during the level1 restoration, xfsrestore showed many warnings and > some directories/files were not restored. I recently tried to > restore a more recent level0+level1 dump and I get the same > results with other directories/files. I tried to figure out why > and now I am able to reproduce the problem with a minimal test > case. > > Here is the test case : It's hard to understand xfsrestore problems without the xfsdump output that generated the dumps being restored. What is the (verbose) output of xfsdump under this test? .... > xfsrestore: level: 0 > xfsrestore: session label: "test" > xfsrestore: media label: "test" ... > xfsrestore: directory 2048 0 (0): updating > xfsrestore: dirent dira 2051 0: adding (new) > xfsrestore: directory 2051 0 (0): upgrading to dir > xfsrestore: dirent filea 2052 0: adding (new) > xfsrestore: 2 directories and 2 entries processed Which is correct. .... > xfsrestore: level: 1 > xfsrestore: session label: "test" > xfsrestore: media label: "test" .... > xfsrestore: directory 2048 0 (0): updating > xfsrestore: dirent dirA 2051 0: renaming (name) > xfsrestore: directory 2051 0 (0): updating > xfsrestore: dirent filea 2052 0: retaining (nondir) > xfsrestore: dirent dirb 526336 1283006502: adding (new) > xfsrestore: directory 526336 1283006502 (1283006502): upgrading to dir > xfsrestore: dirent fileb 526337 1283006502: adding (new) > xfsrestore: 3 directories and 4 entries processed So the inventory looks ok.... > xfsrestore: rename dir dira to orphanage/2051.0 > xfsrestore: making new directories > xfsrestore: performing directory renames > xfsrestore: rename dir orphanage/2051.0 to dirA And the rename occurs... > xfsrestore: processing hard links > xfsrestore: processing hardlinks to 2052 0 > xfsrestore: processing hardlinks to 526337 1283006502 > xfsrestore: getting next media file for non-dir restore > xfsrestore: Media_mfile_next: purp==2 pos==3 > xfsrestore: dump session label: "test" > xfsrestore: dump session id: 27606c57-7b3b-43ff-83b9-69158e75f612 > xfsrestore: stream 0, object 0, file 0 > xfsrestore: restoring non-directory files > xfsrestore: media file 0 in object 0 of stream 0 > xfsrestore: file 0 in stream, file 0 in dump 0 on object > xfsrestore: restoring dirA/dirb/fileb (526337 1283006502) > xfsrestore: restoring regular file ino 526337 dirA/dirb/fileb > xfsrestore: WARNING: open of dirA/dirb/fileb failed: Aucun fichier ou dossier de ce type: discarding ino 526337 But it seems that dirb hasn't been created before the file in it is being restored. THis can happen because the inventory is not correct, whichmay in fact be a problem with dump rather than restore... I'll have a bit of a play around here, see if I can reproduce it. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Jun 22 17:23:37 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 581767CA1 for ; Wed, 22 Jun 2016 17:23:37 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 19F0F8F8035 for ; Wed, 22 Jun 2016 15:23:37 -0700 (PDT) X-ASG-Debug-ID: 1466634209-04cbb02735e66a0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id qmSeFZkIHGcWdndC for ; Wed, 22 Jun 2016 15:23:30 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DLFgCo7GpXEJgMLHlegz6BU4J2g3mebQEBAQaMO4oPhhEEAgKBL00BAQEBAQEHAQEBAQEBAQE+QIRNAQEEOhwjEAgDGAkaCw8FJQMHGhOIL8UWAQEIAiUehUGFFYl+HQEEmH2OI4FdjVCPfIMPgUcqMopxAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 23 Jun 2016 07:53:29 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFqYS-0004Hx-DR; Thu, 23 Jun 2016 08:23:28 +1000 Date: Thu, 23 Jun 2016 08:23:28 +1000 From: Dave Chinner To: Damien Gombault Cc: xfs@oss.sgi.com Subject: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed Message-ID: <20160622222328.GW12670@dastard> X-ASG-Orig-Subj: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed References: <20160622220959.GV12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622220959.GV12670@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466634209 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 465 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30674 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 23, 2016 at 08:09:59AM +1000, Dave Chinner wrote: > But it seems that dirb hasn't been created before the file in it > is being restored. THis can happen because the inventory is not > correct, whichmay in fact be a problem with dump rather than > restore... > > I'll have a bit of a play around here, see if I can reproduce it. Yes, i can reproduce it, so I'll have a deeper look. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Jun 22 17:51:27 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 039D27CA1 for ; Wed, 22 Jun 2016 17:51:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id AEB688F8033 for ; Wed, 22 Jun 2016 15:51:26 -0700 (PDT) X-ASG-Debug-ID: 1466635878-04cbb02738e7760001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id Bd1YE2oCSHou6AB0 for ; Wed, 22 Jun 2016 15:51:18 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AeNACo7GpXEJgMLHlegz6BU4J2g3mebQEBAQaMO4oPhhEEAgKBL00BAQEBAQEHAQEBAQEBAQE+QEEBBAkBg30BAQQ6HCMQCAMYCSUPBSUDBxoTiC/FFgEBCAIlHoVBhRWKGwWYfY4jjy2PfIRWKjKINiCCGwEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 23 Jun 2016 08:21:18 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFqzN-0004MH-4j; Thu, 23 Jun 2016 08:51:17 +1000 Date: Thu, 23 Jun 2016 08:51:17 +1000 From: Dave Chinner To: Danny Shavit Cc: xfs@oss.sgi.com Subject: Re: xfs metadata overhead Message-ID: <20160622225117.GX12670@dastard> X-ASG-Orig-Subj: Re: xfs metadata overhead References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466635878 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 852 X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30674 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 22, 2016 at 06:58:16PM +0300, Danny Shavit wrote: > Hi, > > We are looking for a method to estimate the size of metadata overhead for a > given file system. > We would like to use this value as indicator for the amount of cache memory > a system for faster operation. > Are there any counters that are maintained in the on-disk data > structures like free space for examples? No. Right now, you'll need to take a metadump of the filesystem to measure it. The size of the dump file will be a close indication of the amount of metadata in the filesystem as it only contains the filesystem metadata. In future, querying the rmap will enable us to calculate it on the fly, (i.e. not requiring the filesystem to be snapshotted/taken off line to do a metadump). Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Jun 22 17:58:24 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 2BC127CA1 for ; Wed, 22 Jun 2016 17:58:24 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id ECB00304032 for ; Wed, 22 Jun 2016 15:58:20 -0700 (PDT) X-ASG-Debug-ID: 1466636298-04cb6c063feead0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id EvAkowORjjvMtSIK for ; Wed, 22 Jun 2016 15:58:18 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DLFgCo7GpXEJgMLHlUCoM+gVOCdoN5nm0BAQEGjDuKD4YRBAICgS9NAQEBAQEBBwEBAQEBAQEBPkCETQEBBDocIxAIAw4KCSUPBSUDBxoTG4gUxRYBAQEHAiUehUGFFYQYhgMFmH2OI48tj3yCXByBXioyinEBAQE Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 23 Jun 2016 08:28:17 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from ) id 1bFr68-0004O5-Ns; Thu, 23 Jun 2016 08:58:16 +1000 Date: Thu, 23 Jun 2016 08:58:16 +1000 From: Dave Chinner To: Michal Hocko Cc: Peter Zijlstra , "Darrick J. Wong" , Qu Wenruo , xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar Subject: Re: Xfs lockdep warning with for-dave-for-4.6 branch Message-ID: <20160622225816.GY12670@dastard> X-ASG-Orig-Subj: Re: Xfs lockdep warning with for-dave-for-4.6 branch References: <20160601181617.GV3190@twins.programming.kicks-ass.net> <20160602145048.GS1995@dhcp22.suse.cz> <20160602151116.GD3190@twins.programming.kicks-ass.net> <20160602154619.GU1995@dhcp22.suse.cz> <20160602232254.GR12670@dastard> <20160606122022.GH11895@dhcp22.suse.cz> <20160615072154.GF26977@dastard> <20160621142628.GG30848@dhcp22.suse.cz> <20160622010320.GR12670@dastard> <20160622123822.GG9208@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622123822.GG9208@dhcp22.suse.cz> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466636298 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2173 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30674 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 22, 2016 at 02:38:22PM +0200, Michal Hocko wrote: > On Wed 22-06-16 11:03:20, Dave Chinner wrote: > > On Tue, Jun 21, 2016 at 04:26:28PM +0200, Michal Hocko wrote: > > > On Wed 15-06-16 17:21:54, Dave Chinner wrote: > [...] > > > > There are allocations outside transaction context which need to be > > > > GFP_NOFS - this is what KM_NOFS was originally intended for. > > > > > > Is it feasible to mark those by the scope NOFS api as well and drop > > > the direct KM_NOFS usage? This should help to identify those that are > > > lockdep only and use the annotation to prevent from the false positives. > > > > I don't understand what you are suggesting here. This all started > > because we use GFP_NOFS in a handful of places to shut up lockdep > > and you didn't want us to use GFP_NOFS like that. Now it sounds to > > me like you are advocating setting unconditional GFP_NOFS allocation > > contexts for entire XFS code paths - whether it's necessary or > > not - to avoid problems with lockdep false positives. > > No, I meant only those paths which need GFP_NOFS for other than lockdep > purposes would use the scope api. > > Anyway, it seems that we are not getting closer to a desired solution > here. Or I am not following it at least... > > It seems that we have effectively two possibilities (from the > MM/lockdep) POV. Either add an explicit API to disable the reclaim > lockdep machinery for all allocation in a certain scope or a GFP mask > to to achieve the same for a particular allocation. Which one would work > better for the xfs usecase? As I've said - if we annotate the XFS call sites appropriately (e.g. KM_NOLOCKDEP rather than KM_NOFS), we don't care what lockdep mechanism is used to turn off warnings as it will be wholly encapsulated inside kmem_alloc() and friends. This will end up similar to how we are currently encapsulate the memalloc_noio_save() wrappers in kmem_zalloc_large(). IOWs, it doesn't matter to XFS whether it be a GFP flag or a PF flag here, because it's not going to be exposed to the higher level code. Cheers, Dave. -- Dave Chinner david@fromorbit.com From bounces+2504343-36b9-xfs=oss.sgi.com@sendgrid.net Wed Jun 22 19:06:46 2016 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=5.0 tests=HTML_MESSAGE,MIME_HTML_ONLY, SPOOFED_URL_HOST,T_DKIM_INVALID autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 53B047CA1 for ; Wed, 22 Jun 2016 19:06:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 26C5E8F8033 for ; Wed, 22 Jun 2016 17:06:43 -0700 (PDT) X-ASG-Debug-ID: 1466640392-04cb6c063df0e00001-NocioJ Received: from o3.server2.stampready.net (o3.server2.stampready.net [167.89.25.94]) by cuda.sgi.com with ESMTP id dWj7yYDYAtundBEh (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; 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font-family: 'Open Sans', Arial, Sans-serif = !important; } table[class=3D"table-inner"] { width: 90% !important; } table[class=3D"table-full"] { width: 100% !important; text-align: center !i= mportant; } /* Image */ img[class=3D"img1"] { width: 100% !important; height: auto !important; } } @media only screen and (max-width: 479px) { body { width: auto !important; font-family: 'Open Sans', Arial, Sans-serif = !important; } table[class=3D"table-inner"] { width: 90% !important; text-align: center !i= mportant; } table[class=3D"table-full"] { width: 100% !important; text-align: center !i= mportant; } /* image */ img[class=3D"img1"] { width: 100% !important; height: auto !important; } } </style></head><body><span style=3D"display: none!important; font-size: 1px= ; color: #FFF; opacity: 0; text-indent: -9999px;">LUTRON RadioRA LEVEL 1 TR= AINING</span> =09=09=09=09=09=09=09=09 =09=09=09=09=09 =09=09=09=09=09=09=09=09 =09=09=09=09=09 =09=09=09=09=09=09=09=09 =09=09=09=09=09 =09=09=09=09=09=09=09=09 =09=09=09=09=09 =09=09=09=09=09=09=09=09 =09=09=09=09=09 =09=09=09=09=09=09=09=09 =09=09=09=09=09=09=09=09=09 =09=09=09=09=09 =09=09=09=09 <table data-thumb=3D"http://www.stampready.net/dashboard/templates/cune= o/thumbnails/header-bar.jpg" data-module=3D"header-bar" data-bgcolor=3D"Hea= der-Bar BG" width=3D"100%" bgcolor=3D"#FFFFFF" align=3D"center" border=3D"0= " cellspacing=3D"0" cellpadding=3D"0"> <tr> <td align=3D"center"> <table align=3D"center" class=3D"table-inner" width=3D"600" border= =3D"0" cellspacing=3D"0" cellpadding=3D"0"> <tr> <td height=3D"30"></td> </tr> <tr> <td>  <table class=3D"table-full" border=3D"0" align=3D"left" cellp= adding=3D"0" cellspacing=3D"0"> <tr> <td align=3D"center" style=3D"line-height: 0px;"><a href= =3D"https://u2504343.ct.sendgrid.net/wf/click?upn=3D0vK3KXYTBabZQHrA6gI-2Ft= PTyM19wokIJyrfdoRqkibU-3D_hfGZgfQXnvNAOQK4XCkf0lCxP9ygZup1We0MabPxkbJsqxxM5= gIgpt8anbL4pyRA2tUO-2FUQJ30lGHaAdE4YwZ1Q8QXHB4svBNVwWh8md-2Bc9idBEq-2B5y-2B= o8PWASbjhIi1Aa1XvUaG8nA095yoEFDQM72cGF8g2cIjocQ-2F3YtMXjNCFnlxhq3GaNhjDFRpo= Q5xXAFmRvAr7XpS1HbMmXC5SxFNaLj29WqX3nf8fKn3gN91-2B4ru2-2FpTvG9ZEKk5jctGWiQb= JAyzCY4fQG37H3Y5PD3PEuJCf-2B4V35PVa-2BvA4y7JBanUApMOyVlIX01hlmCLRYzPsf2iozu= QgrXU4rql96ufidw-2FMKVb7KdVsDPjSQ7CuJayXeM5AK7-2FpNirR3vnr-2BaJZayCPYZJPd4b= Zn1z199WzXGuptxh8T67Wah4F6c-3D"><img data-crop=3D"false" style=3D"display:b= lock; line-height:0px; font-size:0px; border:0px;" src=3D"http://www.stampr= eady.net/dashboard/editor/user_uploads/image_uploads/2016/06/22/fwnKGQXMNk0= CSFVhdTqmBtzx76WZ9vcr.png" alt=3D"arrow"></a></td> </tr> </table>   <table width=3D"1" border=3D"0" cellpadding=3D"0" cellspacing= =3D"0" align=3D"left"> <tr> <td height=3D"15" style=3D"font-size: 0;line-height: 0px;= border-collapse: collapse;"> <p style=3D"padding-left: 24px;"> </p> </td> </tr> </table>   <table class=3D"table-full" align=3D"right" border=3D"0" cell= spacing=3D"0" cellpadding=3D"0"> <tr> <td data-link-style=3D"text-decoration:none; color:#9B9B9= B;" data-link-color=3D"Menu Link Color" data-size=3D"Menu" data-color=3D"Me= nu" data-min=3D"12" data-max=3D"22" style=3D"font-family: 'Open Sans', Aria= l, sans-serif; color:#9B9B9B; font-size:13px;"><b><a href=3D"https://u25043= 43.ct.sendgrid.net/wf/click?upn=3D0vK3KXYTBabZQHrA6gI-2FtDHCVkT67-2B3VLOpmF= 03i5oY-3D_hfGZgfQXnvNAOQK4XCkf0lCxP9ygZup1We0MabPxkbJsqxxM5gIgpt8anbL4pyRA2= tUO-2FUQJ30lGHaAdE4YwZ1Q8QXHB4svBNVwWh8md-2Bc9idBEq-2B5y-2Bo8PWASbjhIi1Aa1X= vUaG8nA095yoEFDQM72cGF8g2cIjocQ-2F3YtMXjNCFnlxhq3GaNhjDFRpoQ5xXAFmRvAr7XpS1= HbMmXC5SxFNaLj29WqX3nf8fKn3gN91-2B4ru2-2FpTvG9ZEKk5jctGWiQbJAyzCY4fQG37H3Y5= PALJh-2BAs59bNlmQRGvNnOf3lPi46cTOmO5KeujZAXyMfSyfDm-2FcjEBVlAuN3Ha9-2BFQCUc= xrKJIAsZ34ObF9za7TCfWILiNVOZPaKKk8i0ay-2Fp2TaRfm2I04CdAhttPBidf-2BirDGo-2FQ= TV7qwmgE-2FYXvc-3D" style=3D"text-decoration:none; color:#9B9B9B;" data-col= or=3D"Menu Link Color">NEWS</a></b><span style=3D"padding-left:5px;padding-= right:8px;">/</span><b><a href=3D"https://u2504343.ct.sendgrid.net/wf/click= ?upn=3D0vK3KXYTBabZQHrA6gI-2FtIDBewdj0aAmMI0lG3PTpcBPfvfK6XeW4t3P-2FwfUAYpq= _hfGZgfQXnvNAOQK4XCkf0lCxP9ygZup1We0MabPxkbJsqxxM5gIgpt8anbL4pyRA2tUO-2FUQJ= 30lGHaAdE4YwZ1Q8QXHB4svBNVwWh8md-2Bc9idBEq-2B5y-2Bo8PWASbjhIi1Aa1XvUaG8nA09= 5yoEFDQM72cGF8g2cIjocQ-2F3YtMXjNCFnlxhq3GaNhjDFRpoQ5xXAFmRvAr7XpS1HbMmXC5Sx= FNaLj29WqX3nf8fKn3gN91-2B4ru2-2FpTvG9ZEKk5jctGWiQbJAyzCY4fQG37H3Y5PLQOmu3tm= DL9zu2ywpAsKpvqzO5DwKUh3C7x6K7jGmnNGjNzfzn7Q1XsaCkrvanUyKtFmUbiF3HB8Bkhm1VU= TpS6-2FIjSemfPYH6s7rvEzlhn9DuAE6XcbGCYDCWoeE3J2kwcsannTgGpYA6q5yXEZlM-3D" s= tyle=3D"text-decoration:none; color:#9B9B9B;" data-color=3D"Menu Link Color= ">SPECIALS</a></b><span style=3D"padding-left:5px;padding-right:8px;">/</sp= an><a href=3D"https://u2504343.ct.sendgrid.net/wf/click?upn=3D0vK3KXYTBabZQ= HrA6gI-2FtIDBewdj0aAmMI0lG3PTpcA-3D_hfGZgfQXnvNAOQK4XCkf0lCxP9ygZup1We0MabP= xkbJsqxxM5gIgpt8anbL4pyRA2tUO-2FUQJ30lGHaAdE4YwZ1Q8QXHB4svBNVwWh8md-2Bc9idB= Eq-2B5y-2Bo8PWASbjhIi1Aa1XvUaG8nA095yoEFDQM72cGF8g2cIjocQ-2F3YtMXjNCFnlxhq3= GaNhjDFRpoQ5xXAFmRvAr7XpS1HbMmXC5SxFNaLj29WqX3nf8fKn3gN91-2B4ru2-2FpTvG9ZEK= k5jctGWiQbJAyzCY4fQG37H3Y5PHK2x3BmdC2I-2BGHrKWIKiEwa9mf5SCZ5x88bXC5GY1SPg9r= ugb9phJfpK7b3ChqUMZJC9boqjtooOHqGcHlKYJa92yGCNwayvhp6d2aZv7NFrXtNz191MSqFGj= 7viCPZQxnQRySFIhTrkfYJoaWX1v8-3D" style=3D"text-decoration:none; color:#9B9= B9B;" data-color=3D"Menu Link Color"><b>PRODUCTS</b></a></td> </tr> </table>  </td> </tr> <tr> <td height=3D"20"></td> </tr> </table> </td> </tr> </table><table data-thumb=3D"http://www.stampready.net/dashboard/template= s/cuneo/thumbnails/1-1-content.jpg" data-module=3D"1-1-content" data-bgcolo= r=3D"Main BG" bgcolor=3D"#F9F9F9" align=3D"center" width=3D"100%" border=3D= "0" cellspacing=3D"0" cellpadding=3D"0" style=3D"background-color: rgb(255,= 255, 255);"> <tr> <td height=3D"25"></td> </tr> <tr> <td align=3D"center"> <table align=3D"center" width=3D"600" class=3D"table-inner" border= =3D"0" cellspacing=3D"0" cellpadding=3D"0">  <tr> <td data-link-style=3D"text-decoration:none; color:#4A4A4A;" da= ta-link-color=3D"Title" data-size=3D"Title" data-color=3D"Title" data-min= =3D"12" data-max=3D"36" align=3D"center" style=3D"font-family: "Centur= y Gothic", Arial, sans-serif; color: rgb(171, 7, 7); font-size: 30px; = font-weight: bold; letter-spacing: 1px;">LUTRON RadioRA LEVEL 1 TRAINING</t= d> </tr>  <tr> <td height=3D"20"></td> </tr>  <tr> <td align=3D"center"> <table border=3D"0" align=3D"center" cellpadding=3D"0" cellsp= acing=3D"0"> <tr> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" = style=3D"border-radius:10px;" bgcolor=3D"#FF6363"></td> <td width=3D"15"></td> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" = style=3D"border-radius:10px;" bgcolor=3D"#FF6363"></td> <td width=3D"15"></td> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" = style=3D"border-radius:10px;" bgcolor=3D"#FF6363"></td> </tr> </table> </td> </tr>  <tr> <td height=3D"15"></td> </tr>  <tr> <td data-link-style=3D"text-decoration:none; color:#FF6363;" da= ta-link-color=3D"Content" data-size=3D"Content" data-color=3D"Content" data= -min=3D"12" data-max=3D"22" align=3D"center" style=3D"font-family: "Op= en Sans", Arial, sans-serif; color: rgb(0, 0, 0); font-size: 15px; lin= e-height: 28px;"><b><span>KOA CCTV</span> is glad to announce Lutron Traini= ng Day <br> JUNE 30th 2016, 8:00AM To 4:00PM at NOHO location. </b><br> Everyone is expected to attend and take notes since the things learned shall be a huge help to=20 boost the productivity of your business. <br> <b>Training Day Special - 10% off on all Lutron Producs<br><i>F= ree Food & Drinks will be provided</i></b></td> </tr>  </table> </td> </tr> <tr> <td height=3D"25"></td> </tr> </table><table data-module=3D"header" data-bgcolor=3D"Main BG" bgcolor=3D= "#f8f8f8" width=3D"100%" align=3D"center" border=3D"0" cellspacing=3D"0" ce= llpadding=3D"0" style=3D"background-color: rgb(255, 255, 255);"> <tr> <td data-bg=3D"Header BG" data-bgcolor=3D"Header BG" data-border-bottom-= color=3D"Header Border" data-border-top-color=3D"Header Border" align=3D"ce= nter" background=3D"http://www.stampready.net/dashboard/editor/user_uploads= /image_uploads/2016/06/22/0Mm3jhPyKbZtNrqfs4DY291c68XTdGQl.jpg" bgcolor=3D"= #2A2A2A" style=3D"border-bottom-width: 3px; padding-top: 80px; border-botto= m-style: solid; border-bottom-color: rgb(255, 255, 255); border-top-width: = 3px; border-top-style: solid; border-top-color: rgb(255, 255, 255); backgro= und-image: url("http://www.stampready.net/dashboard/editor/user_upload= s/image_uploads/2016/06/22/0Mm3jhPyKbZtNrqfs4DY291c68XTdGQl.jpg"); bac= kground-size: cover; background-position: center center;"> <table align=3D"center" width=3D"600" class=3D"table-inner" border=3D"0= " cellspacing=3D"0" cellpadding=3D"0"> <tr> <td> <table align=3D"left" width=3D"275" class=3D"table-full" border=3D"0= " cellspacing=3D"0" cellpadding=3D"0"> <tr> <td height=3D"40"> </td> </tr>  <tr> <td data-link-style=3D"text-decoration:none; color:#FFFFFF;" data-= link-color=3D"SubHeader" data-color=3D"SubHeader" data-size=3D"SubHeader" d= ata-min=3D"12" data-max=3D"22" align=3D"center" style=3D"font-family: 'Cent= ury gothic', Arial, sans-serif; color:#FFFFFF; font-size:13px; letter-spaci= ng:2px;"> <br><br><br><b>GET CERTIFIED</b></td> </tr>  <tr> <td height=3D"10"> </td> </tr>  <tr> <td align=3D"center"> <table border=3D"0" align=3D"center" cellpadding=3D"0" cellspacin= g=3D"0"> <tr> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" style= =3D"border-radius:10px;" bgcolor=3D"#FF6363"> </td> <td width=3D"15"> </td> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" style= =3D"border-radius:10px;" bgcolor=3D"#FF6363"> </td> <td width=3D"15"> </td> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" style= =3D"border-radius:10px;" bgcolor=3D"#FF6363"> </td> </tr> </table> </td> </tr>  <tr> <td height=3D"10"> </td> </tr>  <tr> <td data-link-style=3D"text-decoration:none; color:#FFFFFF;" data-= link-color=3D"Header" data-color=3D"Header" data-size=3D"Header" data-min= =3D"12" data-max=3D"36" align=3D"center" style=3D"font-family: 'Century got= hic', Arial, sans-serif; color:#ffffff; font-size:30px;letter-spacing: 1px;= font-weight: lighter;"> Register for<br><b>Lutron Training<br>CERTIFICATION</b></td> </tr>  <tr> <td height=3D"20"> </td> </tr>  <tr> <td align=3D"left"> <table data-bgcolor=3D"Button" data-border-bottom-color=3D"Button= Shadow" border=3D"0" align=3D"center" cellpadding=3D"0" cellspacing=3D"0" = bgcolor=3D"#FF6363" style=3D"border-radius: 5px; border-bottom-width: 2px; = border-bottom-style: solid; border-bottom-color: rgb(201, 43, 43); backgrou= nd-color: rgb(203, 11, 11);"> <tr> <td align=3D"center" style=3D"padding-left:15px;"> <img src=3D"http://www.stampready.net/dashboard/templates/cune= o/images/bt-check.png" width=3D"12" height=3D"10" alt=3D"img"> </td> <td data-link-style=3D"text-decoration:none; color:#ffffff;" da= ta-link-color=3D"Button Link" data-size=3D"Button" data-min=3D"12" data-max= =3D"22" height=3D"45" align=3D"center" style=3D"font-family:Century Gothic,= Arial, Sans-serif; font-size:16px; color:#ffffff;padding-left:15px;padding= -right:15px;"> <a href=3D"https://u2504343.ct.sendgrid.net/wf/click?upn=3D0vK= 3KXYTBabZQHrA6gI-2FtI8lzmFjeJGtmSQeYvFdllLLC84g-2F0WmzhAmNZe1FBgj_hfGZgfQXn= vNAOQK4XCkf0lCxP9ygZup1We0MabPxkbJsqxxM5gIgpt8anbL4pyRA2tUO-2FUQJ30lGHaAdE4= YwZ1Q8QXHB4svBNVwWh8md-2Bc9idBEq-2B5y-2Bo8PWASbjhIi1Aa1XvUaG8nA095yoEFDQM72= cGF8g2cIjocQ-2F3YtMXjNCFnlxhq3GaNhjDFRpoQ5xXAFmRvAr7XpS1HbMmXC5SxFNaLj29WqX= 3nf8fKn3gN91-2B4ru2-2FpTvG9ZEKk5jctGWiQbJAyzCY4fQG37H3Y5PIGrTeRzNCTfu6VSDmN= ug-2BrSyBgIGBxFTRY2xfMS2FCdlpeKYJS9rhr8U8gX6iUlTH4JpaA-2B6J4-2BdFGIS7pSdzoH= UpQ-2BoOKpaPq4A8MZupoJiav6o-2Fpm5X3sszshABcnBMqb5doq9LDBFmI98tSIjtE-3D" sty= le=3D"text-decoration:none; color:#ffffff" data-color=3D"Button Link">Regis= ter now</a> </td> </tr> </table><br><br><br><br> </td> </tr>  </table>  <table width=3D"1" border=3D"0" cellpadding=3D"0" cellspacing=3D"0" = align=3D"left"> <tr> <td style=3D"font-size: 0;line-height: 0px;border-collapse: collap= se;"> <p style=3D"padding-left: 24px;"> </p> </td> </tr> </table>   <table class=3D"table-full" width=3D"262" border=3D"0" align=3D"righ= t" cellpadding=3D"0" cellspacing=3D"0"> <tr> <td align=3D"center" valign=3D"bottom" style=3D"line-height: 0px;"> <img data-crop=3D"false" src=3D"http://www.stampready.net/dashboa= rd/editor/user_uploads/image_uploads/2016/06/22/jg67zmsHqNS0R9MKrB51CYXZ2w8= 3Jhnp.png" alt=3D"img" class=3D"img1" style=3D"display:block;line-height:0p= x;font-size:0px;border:0px;padding-top: 88px;padding-left: 15px;"> </td> </tr> </table>  </td> </tr> </table> </td> </tr> <tr> <td height=3D"25"> </td> </tr> </table><table data-module=3D"headline" data-bgcolor=3D"Main BG" bgcolor= =3D"#F9F9F9" align=3D"center" width=3D"100%" border=3D"0" cellspacing=3D"0"= cellpadding=3D"0" style=3D"background-color: rgb(255, 255, 255);"> <tr> <td height=3D"25"> </td> </tr> <tr> <td align=3D"center"> <table align=3D"center" width=3D"600" class=3D"table-inner" border=3D"0= " cellspacing=3D"0" cellpadding=3D"0">  <tr> <td data-link-style=3D"text-decoration:none; color:#9B9B9B;" data-lin= k-color=3D"SubHeader" data-size=3D"SubHeader" data-color=3D"SubHeader" data= -min=3D"12" data-max=3D"28" align=3D"center" style=3D"font-family: 'Open Sa= ns', Arial, sans-serif; color:#9B9B9B; font-size:13px;letter-spacing: 2px;"> </td> </tr>  <tr> <td height=3D"10"> </td> </tr>  <tr> <td data-link-style=3D"text-decoration:none; color:#4A4A4A;" data-lin= k-color=3D"Title" data-size=3D"Title" data-color=3D"Title" data-min=3D"12" = data-max=3D"36" align=3D"center" style=3D"font-family: Impact, Haettenschwe= iler, "Franklin Gothic Bold", "Arial Black", sans-serif= ; color: rgb(171, 7, 7); font-size: 30px; letter-spacing: 1px;"> New Line-up Products<br>CAT5e CAT6<br>RISER & PLENIUM LAN CABLES </td> </tr>  <tr> <td height=3D"20"> </td> </tr>  <tr> <td align=3D"center"> <table border=3D"0" align=3D"center" cellpadding=3D"0" cellspacing= =3D"0"> <tr> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" style=3D"= border-radius:10px;" bgcolor=3D"#FF6363"> </td> <td width=3D"15"> </td> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" style=3D"= border-radius:10px;" bgcolor=3D"#FF6363"> </td> <td width=3D"15"> </td> <td data-bgcolor=3D"Dotted" height=3D"5px" width=3D"5px" style=3D"= border-radius:10px;" bgcolor=3D"#FF6363"> </td> </tr> </table> </td> </tr>  </table> </td> </tr> <tr> <td height=3D"25"> </td> </tr> </table><table data-thumb=3D"http://www.stampready.net/dashboard/templates= /cuneo/thumbnails/2-2-panel.jpg" data-module=3D"2-2-panel" data-bgcolor=3D"= Main BG" bgcolor=3D"#F9F9F9" align=3D"center" width=3D"100%" border=3D"0" c= ellspacing=3D"0" cellpadding=3D"0"> <tr> <td height=3D"25"></td> </tr> <tr> <td align=3D"center"> <table align=3D"center" class=3D"table-inner" width=3D"600" border= =3D"0" cellpadding=3D"0" cellspacing=3D"0"> <tr> <td>  <table data-bgcolor=3D"Boxed" bgcolor=3D"#FFFFFF" style=3D"bo= rder-radius:5px; border:1px solid #F1F1F1; border-bottom:2px solid #ECEDF0;= " align=3D"left" width=3D"275" class=3D"table-full" border=3D"0" cellspacin= g=3D"0" cellpadding=3D"0"> <tr> <td height=3D"25"></td> </tr> <tr>  <td align=3D"center"> <table width=3D"225" align=3D"center" class=3D"table-in= ner" border=3D"0" cellpadding=3D"0" cellspacing=3D"0"> <tr> <td data-link-style=3D"text-decoration:none; color:= #3b3b3b;" data-link-color=3D"Title" data-size=3D"Title" data-color=3D"Title= " min=3D"" data-min=3D"12" data-max=3D"28" align=3D"left" style=3D"font-fam= ily: "Open sans", Arial, sans-serif; color: rgb(171, 7, 7); font-= size: 18px; font-weight: bold; line-height: 28px; text-align: center;">Cat5= E Riser Lan Cable</td> </tr> </table> </td> </tr>  <tr> <td height=3D"15"></td> </tr>  <tr> <td align=3D"center" style=3D"line-height: 0px;"><img dat= a-crop=3D"false" class=3D"img1" style=3D"display:block; line-height:0px; fo= nt-size:0px; border:0px;" src=3D"http://www.stampready.net/dashboard/editor= /user_uploads/image_uploads/2016/06/22/7Cgkl92tZrW8vnFXyH05JSTLcQpqfsRY.jpg= " alt=3D"img"></td> </tr>  <tr> <td height=3D"15"></td> </tr> <tr> <td align=3D"center"> <table align=3D"center" class=3D"table-inner" width=3D"= 225" border=3D"0" cellspacing=3D"0" cellpadding=3D"0">  <tr> <td data-link-style=3D"text-decoration:none; color:= #FF6363;" data-link-color=3D"Content" data-size=3D"Content" data-color=3D"C= ontent" data-min=3D"12" data-max=3D"22" align=3D"left" style=3D"font-family= : 'Open Sans', Arial, sans-serif; color:#9B9B9B; font-size:14px;font-weight= : normal;line-height: 28px;">24AWG 4 CORE UTP <br>1000FT 350MHZ <br>PULL BOX PACKAGE</td> </tr>  <tr> <td height=3D"15"></td> </tr>  <tr> <td align=3D"left"> <table data-bgcolor=3D"Button" data-border-bottom= -color=3D"Button Shadow" bgcolor=3D"#FF6363" border=3D"0" align=3D"left" ce= llpadding=3D"0" cellspacing=3D"0" style=3D"border-radius: 5px; border-botto= m-width: 2px; border-bottom-style: solid; border-bottom-color: rgb(199, 71,= 71); background-color: rgb(203, 11, 11);"> <tr> <td data-link-style=3D"text-decoration:none; = color:#ffffff;" data-link-color=3D"Button Link" data-size=3D"Button" data-m= in=3D"12" data-max=3D"22" height=3D"40" align=3D"center" style=3D"font-fami= ly: 'Century gothic', Arial, sans-serif; color:#4A4A4A; font-size:14px; let= ter-spacing: 1px;padding-left: 15px;padding-right: 15px;"><a href=3D"https:= //u2504343.ct.sendgrid.net/wf/click?upn=3D0vK3KXYTBabZQHrA6gI-2FtCGqna7fgNw= C8Pb4zUVqyk98IfhPMKLrMReVGUJmHTg5imR4c1X9NXbQJMjzMsSu2Q-3D-3D_hfGZgfQXnvNAO= QK4XCkf0lCxP9ygZup1We0MabPxkbJsqxxM5gIgpt8anbL4pyRA2tUO-2FUQJ30lGHaAdE4YwZ1= Q8QXHB4svBNVwWh8md-2Bc9idBEq-2B5y-2Bo8PWASbjhIi1Aa1XvUaG8nA095yoEFDQM72cGF8= g2cIjocQ-2F3YtMXjNCFnlxhq3GaNhjDFRpoQ5xXAFmRvAr7XpS1HbMmXC5SxFNaLj29WqX3nf8= fKn3gN91-2B4ru2-2FpTvG9ZEKk5jctGWiQbJAyzCY4fQG37H3Y5PCJY3oLWnHb7mizrPQ-2BcT= q7116silA5siPXweSctdyMgidteBeQc-2BWmWQteGAFaBb9-2FDZ4grxqO4LLy0thVB-2Fb8fc2= b-2B2I-2Bpj1qrmSvD5ovLR-2FiJ-2BXEEp9jA85atO0Gto1u0oBdON0E6hMIYwOL76f4-3D" s= tyle=3D"text-decoration:none; color:#ffffff" data-color=3D"Button Link">REA= D MORE</a></td> </tr> </table> </td> </tr>  </table> </td> </tr> <tr> <td height=3D"25"></td> </tr> </table>   <table width=3D"1" border=3D"0" cellpadding=3D"0" cellspacing= =3D"0" align=3D"left"> <tr> <td height=3D"50" style=3D"font-size: 0;line-height: 0px;= border-collapse: collapse;"> <p style=3D"padding-left: 24px;"> </p> </td> </tr> </table>   <table data-bgcolor=3D"Boxed" bgcolor=3D"#FFFFFF" style=3D"bo= rder-radius:5px; border:1px solid #F1F1F1; border-bottom:2px solid #ECEDF0;= " align=3D"right" width=3D"275" class=3D"table-full" border=3D"0" cellspaci= ng=3D"0" cellpadding=3D"0"> <tr> <td height=3D"25"></td> </tr> <tr>  <td align=3D"center"> <table width=3D"225" align=3D"center" class=3D"table-in= ner" border=3D"0" cellpadding=3D"0" cellspacing=3D"0"> <tr> <td data-link-style=3D"text-decoration:none; color:= #3b3b3b;" data-link-color=3D"Title" data-size=3D"Title" data-color=3D"Title= " min=3D"" data-min=3D"12" data-max=3D"28" align=3D"left" style=3D"font-fam= ily: "Open sans", Arial, sans-serif; color: rgb(171, 7, 7); font-= size: 18px; font-weight: bold; line-height: 28px; text-align: center;">Cat6= Riser Lan Cable</td> </tr> </table> </td> </tr>  <tr> <td height=3D"15"></td> </tr>  <tr> <td align=3D"center" style=3D"line-height: 0px;"><img dat= a-crop=3D"false" class=3D"img1" style=3D"display:block; line-height:0px; fo= nt-size:0px; border:0px;" src=3D"http://www.stampready.net/dashboard/editor= /user_uploads/image_uploads/2016/06/22/hkzpHgCd2QvyKjcZfMr54mYWX6RnF0NV.jpg= " alt=3D"img"></td> </tr>  <tr> <td height=3D"15"></td> </tr> <tr> <td align=3D"center"> <table align=3D"center" class=3D"table-inner" width=3D"= 225" border=3D"0" cellspacing=3D"0" cellpadding=3D"0">  <tr> <td data-link-style=3D"text-decoration:none; color:= #FF6363;" data-link-color=3D"Content" data-size=3D"Content" data-color=3D"C= ontent" data-min=3D"12" data-max=3D"22" align=3D"left" style=3D"font-family= : 'Open Sans', Arial, sans-serif; color:#9B9B9B; font-size:14px;font-weight= : normal;line-height: 28px;">23AWG 4 CORE UTP <br>1000FT 550MHZ <br>PULL BOX PACKAGE</td> </tr>  <tr> <td height=3D"15"></td> </tr>  <tr> <td align=3D"left"> <table data-bgcolor=3D"Button" data-border-bottom= -color=3D"Button Shadow" bgcolor=3D"#FF6363" border=3D"0" align=3D"left" ce= llpadding=3D"0" cellspacing=3D"0" style=3D"border-radius: 5px; border-botto= m-width: 2px; border-bottom-style: solid; border-bottom-color: rgb(199, 71,= 71); background-color: rgb(203, 11, 11);"> <tr> <td data-link-style=3D"text-decoration:none; = color:#ffffff;" data-link-color=3D"Button Link" data-size=3D"Button" data-m= in=3D"12" data-max=3D"22" height=3D"40" align=3D"center" style=3D"font-fami= ly: 'Century gothic', Arial, sans-serif; color:#4A4A4A; font-size:14px; let= ter-spacing: 1px;padding-left: 15px;padding-right: 15px;"><a href=3D"https:= //u2504343.ct.sendgrid.net/wf/click?upn=3D0vK3KXYTBabZQHrA6gI-2FtGfQOC1FIDL= -2FCMqTDYwGqKocjuFRj1pJPTLYqBfC6WPw_hfGZgfQXnvNAOQK4XCkf0lCxP9ygZup1We0MabP= xkbJsqxxM5gIgpt8anbL4pyRA2tUO-2FUQJ30lGHaAdE4YwZ1Q8QXHB4svBNVwWh8md-2Bc9idB= Eq-2B5y-2Bo8PWASbjhIi1Aa1XvUaG8nA095yoEFDQM72cGF8g2cIjocQ-2F3YtMXjNCFnlxhq3= GaNhjDFRpoQ5xXAFmRvAr7XpS1HbMmXC5SxFNaLj29WqX3nf8fKn3gN91-2B4ru2-2FpTvG9ZEK= k5jctGWiQbJAyzCY4fQG37H3Y5PFUMEnRRpteO7kpPFhmfJ3aJGdlK0cO6dZ7KVKoISvHSq37Bj= K9014Ezsy-2FNsEsrOOjNUQG7EwM2QN4BO04xb9hjyH7ARCN-2FS7SeAMgC2Wdd3ggbxr2wPArR= clNNIlcfu0O9UqoE0nyJCcV-2BDFfnQ1o-3D" style=3D"text-decoration:none; color:= #ffffff" data-color=3D"Button Link">READ MORE</a></td> </tr> </table> </td> </tr>  </table> </td> </tr> <tr> <td height=3D"25"></td> </tr> </table>  </td> </tr> </table> </td> </tr> <tr> <td height=3D"25"></td> </tr> </table><table data-thumb=3D"http://www.stampready.net/dashboard/template= s/cuneo/thumbnails/2-2-panel.jpg" data-module=3D"2-2-panel" data-bgcolor=3D= "Main BG" bgcolor=3D"#F9F9F9" align=3D"center" width=3D"100%" border=3D"0" = cellspacing=3D"0" cellpadding=3D"0"> <tr> <td height=3D"25"></td> </tr> <tr> <td align=3D"center"> <table align=3D"center" class=3D"table-inner" width=3D"600" border= =3D"0" cellpadding=3D"0" cellspacing=3D"0"> <tr> <td>  <table data-bgcolor=3D"Boxed" bgcolor=3D"#FFFFFF" style=3D"bo= rder-radius:5px; border:1px solid #F1F1F1; border-bottom:2px solid #ECEDF0;= " align=3D"left" width=3D"275" class=3D"table-full" border=3D"0" cellspacin= g=3D"0" cellpadding=3D"0"> <tr> <td height=3D"25"></td> </tr> <tr>  <td align=3D"center"> <table width=3D"225" align=3D"center" class=3D"table-in= ner" border=3D"0" cellpadding=3D"0" cellspacing=3D"0"> <tr> <td data-link-style=3D"text-decoration:none; color:= #3b3b3b;" data-link-color=3D"Title" data-size=3D"Title" data-color=3D"Title= " min=3D"" data-min=3D"12" data-max=3D"28" align=3D"left" style=3D"font-fam= ily: "Open sans", Arial, sans-serif; color: rgb(171, 7, 7); font-= size: 18px; font-weight: bold; line-height: 28px; text-align: center;">Cat5= E Plenium Lan Cable</td> </tr> </table> </td> </tr>  <tr> <td height=3D"15"></td> </tr>  <tr> <td align=3D"center" style=3D"line-height: 0px;"><img dat= a-crop=3D"false" class=3D"img1" style=3D"display:block; line-height:0px; fo= nt-size:0px; border:0px;" src=3D"http://www.stampready.net/dashboard/editor= /user_uploads/image_uploads/2016/06/22/Lqd3RYlpxjzPFrVG78T51yXsZfWH0nh4.jpg= " alt=3D"img"></td> </tr>  <tr> <td height=3D"15"></td> </tr> <tr> <td align=3D"center"> <table align=3D"center" class=3D"table-inner" width=3D"= 225" border=3D"0" cellspacing=3D"0" cellpadding=3D"0">  <tr> <td data-link-style=3D"text-decoration:none; color:= #FF6363;" data-link-color=3D"Content" data-size=3D"Content" data-color=3D"C= ontent" data-min=3D"12" data-max=3D"22" align=3D"left" style=3D"font-family= : 'Open Sans', Arial, sans-serif; color:#9B9B9B; font-size:14px;font-weight= : normal;line-height: 28px;">24AWG 4 CORE UTP <br>1000FT 350MHZ <br>PULL BOX PACKAGE</td> </tr>  <tr> <td height=3D"15"></td> </tr>  <tr> <td align=3D"left"> <table data-bgcolor=3D"Button" data-border-bottom= -color=3D"Button Shadow" bgcolor=3D"#FF6363" border=3D"0" align=3D"left" ce= llpadding=3D"0" cellspacing=3D"0" style=3D"border-radius: 5px; border-botto= m-width: 2px; border-bottom-style: solid; border-bottom-color: rgb(199, 71,= 71); background-color: rgb(203, 11, 11);"> <tr> <td data-link-style=3D"text-decoration:none; = color:#ffffff;" data-link-color=3D"Button Link" data-size=3D"Button" data-m= in=3D"12" data-max=3D"22" height=3D"40" align=3D"center" style=3D"font-fami= ly: 'Century gothic', Arial, sans-serif; color:#4A4A4A; font-size:14px; let= ter-spacing: 1px;padding-left: 15px;padding-right: 15px;"><a href=3D"https:= //u2504343.ct.sendgrid.net/wf/click?upn=3D0vK3KXYTBabZQHrA6gI-2FtCGqna7fgNw= C8Pb4zUVqyk-2F2JP2tFNVd4hIlW5mQMoekKmW6BbGiBFkgOG0CPjcKtw-3D-3D_hfGZgfQXnvN= AOQK4XCkf0lCxP9ygZup1We0MabPxkbJsqxxM5gIgpt8anbL4pyRA2tUO-2FUQJ30lGHaAdE4Yw= Z1Q8QXHB4svBNVwWh8md-2Bc9idBEq-2B5y-2Bo8PWASbjhIi1Aa1XvUaG8nA095yoEFDQM72cG= F8g2cIjocQ-2F3YtMXjNCFnlxhq3GaNhjDFRpoQ5xXAFmRvAr7XpS1HbMmXC5SxFNaLj29WqX3n= f8fKn3gN91-2B4ru2-2FpTvG9ZEKk5jctGWiQbJAyzCY4fQG37H3Y5PJzab8Y36iU0XsfARi-2B= xosIeRQtGJztJ2nPBE7PoUYtRyfg5Rq9SuSPipmpnrBAIJ1WnGqyMwjtwOuSmMxKDKUfNAj-2FG= P4KkrFbzrq7sZJHyn0R8c5o6gA0QPXbn9SSz8NtaLjp04-2BAooRF5FwyWsCA-3D" style=3D"= text-decoration:none; color:#ffffff" data-color=3D"Button Link">READ MORE</= a></td> </tr> </table> </td> </tr>  </table> </td> </tr> <tr> <td height=3D"25"></td> </tr> </table>   <table width=3D"1" border=3D"0" cellpadding=3D"0" cellspacing= =3D"0" align=3D"left"> <tr> <td height=3D"50" style=3D"font-size: 0;line-height: 0px;= border-collapse: collapse;"> <p style=3D"padding-left: 24px;"> </p> </td> </tr> </table>   <table data-bgcolor=3D"Boxed" bgcolor=3D"#FFFFFF" style=3D"bo= rder-radius:5px; border:1px solid #F1F1F1; border-bottom:2px solid #ECEDF0;= " align=3D"right" width=3D"275" class=3D"table-full" border=3D"0" cellspaci= ng=3D"0" cellpadding=3D"0"> <tr> <td height=3D"25"></td> </tr> <tr>  <td align=3D"center"> <table width=3D"225" align=3D"center" class=3D"table-in= ner" border=3D"0" cellpadding=3D"0" cellspacing=3D"0"> <tr> <td data-link-style=3D"text-decoration:none; color:= #3b3b3b;" data-link-color=3D"Title" data-size=3D"Title" data-color=3D"Title= " min=3D"" data-min=3D"12" data-max=3D"28" align=3D"left" style=3D"font-fam= ily: "Open sans", Arial, sans-serif; color: rgb(171, 7, 7); font-= size: 18px; font-weight: bold; line-height: 28px; text-align: center;">Cat6= Plenium Lan Cable</td> </tr> </table> </td> </tr>  <tr> <td height=3D"15"></td> </tr>  <tr> <td align=3D"center" style=3D"line-height: 0px;"><img dat= a-crop=3D"false" class=3D"img1" style=3D"display:block; line-height:0px; fo= nt-size:0px; border:0px;" src=3D"http://www.stampready.net/dashboard/editor= /user_uploads/image_uploads/2016/06/22/xQrcBhYb6zHNgCw1GWdjPs8XfR5lD9vy.jpg= " alt=3D"img"></td> </tr>  <tr> <td height=3D"15"></td> </tr> <tr> <td align=3D"center"> <table align=3D"center" class=3D"table-inner" width=3D"= 225" border=3D"0" cellspacing=3D"0" cellpadding=3D"0">  <tr> <td data-link-style=3D"text-decoration:none; 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23 Jun 2016 11:12:19 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bFter-0004oh-NE; Thu, 23 Jun 2016 11:42:17 +1000 Date: Thu, 23 Jun 2016 11:42:17 +1000 From: Dave Chinner <david@fromorbit.com> To: Damien Gombault <damien.gombault@recia.fr> Cc: xfs@oss.sgi.com Subject: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed Message-ID: <20160623014217.GZ12670@dastard> X-ASG-Orig-Subj: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed References: <a08ae222-7654-4a6f-d9ba-f70017784f74@recia.fr> <20160622220959.GV12670@dastard> <20160622222328.GW12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622222328.GW12670@dastard> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466646140 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6881 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30677 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 23, 2016 at 08:23:28AM +1000, Dave Chinner wrote: > On Thu, Jun 23, 2016 at 08:09:59AM +1000, Dave Chinner wrote: > > But it seems that dirb hasn't been created before the file in it > > is being restored. THis can happen because the inventory is not > > correct, whichmay in fact be a problem with dump rather than > > restore... > > > > I'll have a bit of a play around here, see if I can reproduce it. > > Yes, i can reproduce it, so I'll have a deeper look. Can you try this patch? -Dave -- Dave Chinner david@fromorbit.com restore: make new directories after renames From: Dave Chinner <dchinner@redhat.com> Damien Gombault reported that restores of cumulative dumps with renamed directories were throwing an error and were incomplete: xfsrestore: file 0 in stream, file 0 in dump 0 on object xfsrestore: restoring dirA/dirb/fileb (526337 1283006502) xfsrestore: restoring regular file ino 526337 dirA/dirb/fileb xfsrestore: WARNING: open of dirA/dirb/fileb failed: Aucun fichier ou dossier de ce type: discarding ino 526337 This was triggered by a level 1 dump containing a directory rename and a new directory being created inside the renamed directory. i.e: $ mv dira dirA $ mkdir dirA/dirb $ echo foo > dirA/dirb/fileb xfs_restore handles directory renames by first moving the old directory to the orphanage, then renaming it from the orphanage to it's new location. This, in itself is fine. The problem is that restore creates the new directories between these two steps. Hence any new directory created in a renamed directory cannot be restored from a cumulative dump because when restore tries to create the new directory neither the old directory path nor the new directory path exists. Hence it silently drops the new directory, resulting in subsequent errors tryin gto restore files within that new directory. The simple fix - just change the order of operations in tree_post() so that new directories are created after all the renames are processed - is not useful. All that does is break the case of renames into newly created directories. However, because the making of directories that already exist or can't be made silently fails, and the create process does not modify the internal directory tree, we can run the directory creation function multiple times. Hence we can run directory creation both before and after the directory rename step, hence ensuring both new parents and new child directories are created appropriately. This still may not be sufficient for complex directory reorganisations, but it does address the reported problem in a manner that is unlikely to cause regresssions. This is important, because this code has not changed at all since it was first publicly released in early 2001. Hence the minimum change we can make to fix the reported problem is the least risky approach we can take. Signed-off-by: Dave Chinner <dchinner@redhat.com> --- restore/tree.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 51 insertions(+), 10 deletions(-) diff --git a/restore/tree.c b/restore/tree.c index 0336e77..8e6fab1 100644 --- a/restore/tree.c +++ b/restore/tree.c @@ -1163,15 +1163,35 @@ tree_subtree_parse( bool_t sensepr, char *path ) return BOOL_TRUE; } -/* tree_post - called after the dirdump has been applied. - * first phase is to eliminate all unreferenced dirents. - * done by recursive depth-wise descent of the tree. on the way - * up, unlink or orphan unreferenced nondirs, unlink unreferenced - * dirs, orphan dirs to be renamed. if a dir is unreferenced, but +/* tree_post - called after the dirdump has been applied. first phase is to + * eliminate all unreferenced dirents. done by recursive depth-wise descent of + * the tree. on the way up, unlink or orphan unreferenced nondirs, unlink + * unreferenced dirs, orphan dirs to be renamed. if a dir is unreferenced, but * contains referenced dirents, orphan those dirents. orphan unreferenced * nondirs if they are the last link to an inode referenced but not real * somewhere else in the tree. next, make new directories. then rename * directories. finally, create hardlinks from orphanage. + * + * Note: the way renamed directories are handled by first orphaning them leads + * to a chicken and egg problem - the directory does not exist when we try to + * make a new directory inside the renamed directory destination. This fails + * silently, leaving us with ENOENT errors when trying to restore files within + * that new directory. + * + * To prevent this from happening, we need to create new subdirectories *after* + * we have processed all the renamed directories. However, so that the renames + * succeed, we also have to create any new parent directories that the renames + * depend on. + * + * Hence we have to do two mkdir passes: one before the renames to create new + * ancestors for rename destinations and one after the rename to create new + * children in rename destinations. + * + * NOTE: a simple before/after creation as done below may be too simple for + * complex directory structure manipulations. e.g. rename into a new child in + * the destination of another rename. This may have to become an iterative loop + * that runs until all renames and mkdirs are resolved. We'll cross that bridge + * when we need to, not now. */ static bool_t noref_elim_recurse( nh_t parh, nh_t cldh, @@ -1216,7 +1236,14 @@ tree_post( char *path1, char *path2 ) } } - /* make new directories +#ifdef TREE_CHK + assert( tree_chk( )); +#endif /* TREE_CHK */ + + /* + * make new directories to ensure rename destination ancestors are + * present before attempting the renames. This will silently skip all + * the creations that are in rename destinations. */ mlog( MLOG_DEBUG | MLOG_TREE, "making new directories\n" ); @@ -1228,10 +1255,6 @@ tree_post( char *path1, char *path2 ) return BOOL_FALSE; } -#ifdef TREE_CHK - assert( tree_chk( )); -#endif /* TREE_CHK */ - /* rename directories */ if ( ! persp->p_fullpr ) { @@ -1250,6 +1273,24 @@ tree_post( char *path1, char *path2 ) assert( tree_chk( )); #endif /* TREE_CHK */ + /* + * Repeat making new directories to create directories in rename + * destinations that were skipped in the first pass. + */ + mlog( MLOG_DEBUG | MLOG_TREE, + "making new directories in renamed ancestors\n" ); + rootp = Node_map( persp->p_rooth ); + cldh = rootp->n_cldh; + Node_unmap( persp->p_rooth, &rootp ); + ok = mkdirs_recurse( persp->p_rooth, cldh, path1 ); + if ( ! ok ) { + return BOOL_FALSE; + } + +#ifdef TREE_CHK + assert( tree_chk( )); +#endif /* TREE_CHK */ + /* process hard links */ if ( ! persp->p_fullpr ) { From houtao1@huawei.com Wed Jun 22 22:17:32 2016 Return-Path: <houtao1@huawei.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D3A787CA1 for <xfs@oss.sgi.com>; 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Thu, 23 Jun 2016 11:16:23 +0800 From: Hou Tao <houtao1@huawei.com> To: <xfs@oss.sgi.com> CC: <david@fromorbit.com> Subject: [PATCH] xfs: remove the magic numbers in xfs_btree_block-related len macros Date: Thu, 23 Jun 2016 11:10:20 +0800 X-ASG-Orig-Subj: [PATCH] xfs: remove the magic numbers in xfs_btree_block-related len macros Message-ID: <1466651420-126472-1-git-send-email-houtao1@huawei.com> X-Mailer: git-send-email 2.5.5 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.124.28] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.576B548F.00FB,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 6707775c8dc98455f9eb530030c38f13 X-Barracuda-Connect: szxga02-in.huawei.com[119.145.14.65] X-Barracuda-Start-Time: 1466651846 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3557 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30679 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- replace the magic numbers by offsetof(...) and sizeof(...), and add two extra checks on xfs_check_ondisk_structs() Signed-off-by: Hou Tao <houtao1@huawei.com> --- fs/xfs/libxfs/xfs_format.h | 66 ++++++++++++++++++++++++++++------------------ fs/xfs/xfs_ondisk.h | 2 ++ 2 files changed, 43 insertions(+), 25 deletions(-) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index dc97eb21..d3069be 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1435,41 +1435,57 @@ typedef __be64 xfs_bmbt_ptr_t, xfs_bmdr_ptr_t; * with the crc feature bit, and all accesses to them must be conditional on * that flag. */ +/* short form block */ +struct xfs_btree_sblock_part { + __be32 bb_leftsib; + __be32 bb_rightsib; + + __be64 bb_blkno; + __be64 bb_lsn; + uuid_t bb_uuid; + __be32 bb_owner; + __le32 bb_crc; +}; + +/* long form block */ +struct xfs_btree_lblock_part { + __be64 bb_leftsib; + __be64 bb_rightsib; + + __be64 bb_blkno; + __be64 bb_lsn; + uuid_t bb_uuid; + __be64 bb_owner; + __le32 bb_crc; + __be32 bb_pad; /* padding for alignment */ +}; + struct xfs_btree_block { __be32 bb_magic; /* magic number for block type */ __be16 bb_level; /* 0 is a leaf */ __be16 bb_numrecs; /* current # of data records */ union { - struct { - __be32 bb_leftsib; - __be32 bb_rightsib; - - __be64 bb_blkno; - __be64 bb_lsn; - uuid_t bb_uuid; - __be32 bb_owner; - __le32 bb_crc; - } s; /* short form pointers */ - struct { - __be64 bb_leftsib; - __be64 bb_rightsib; - - __be64 bb_blkno; - __be64 bb_lsn; - uuid_t bb_uuid; - __be64 bb_owner; - __le32 bb_crc; - __be32 bb_pad; /* padding for alignment */ - } l; /* long form pointers */ + struct xfs_btree_sblock_part s; + struct xfs_btree_lblock_part l; } bb_u; /* rest */ }; -#define XFS_BTREE_SBLOCK_LEN 16 /* size of a short form block */ -#define XFS_BTREE_LBLOCK_LEN 24 /* size of a long form block */ +/* size of a short form block */ +#define XFS_BTREE_SBLOCK_LEN \ + (offsetof(struct xfs_btree_block, bb_u) + \ + offsetof(struct xfs_btree_sblock_part, bb_blkno)) +/* size of a long form block */ +#define XFS_BTREE_LBLOCK_LEN \ + (offsetof(struct xfs_btree_block, bb_u) + \ + offsetof(struct xfs_btree_lblock_part, bb_blkno)) /* sizes of CRC enabled btree blocks */ -#define XFS_BTREE_SBLOCK_CRC_LEN (XFS_BTREE_SBLOCK_LEN + 40) -#define XFS_BTREE_LBLOCK_CRC_LEN (XFS_BTREE_LBLOCK_LEN + 48) +#define XFS_BTREE_SBLOCK_CRC_LEN \ + (offsetof(struct xfs_btree_block, bb_u) + \ + sizeof(struct xfs_btree_sblock_part)) +#define XFS_BTREE_LBLOCK_CRC_LEN \ + (offsetof(struct xfs_btree_block, bb_u) + \ + sizeof(struct xfs_btree_lblock_part)) #define XFS_BTREE_SBLOCK_CRC_OFF \ offsetof(struct xfs_btree_block, bb_u.s.bb_crc) diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index 184c44e..6f06c48 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -34,6 +34,8 @@ xfs_check_ondisk_structs(void) XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_key, 8); XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_rec, 16); XFS_CHECK_STRUCT_SIZE(struct xfs_bmdr_block, 4); + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_sblock_part, 48); + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_lblock_part, 64); XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block, 72); XFS_CHECK_STRUCT_SIZE(struct xfs_dinode, 176); XFS_CHECK_STRUCT_SIZE(struct xfs_disk_dquot, 104); -- 2.5.5 From cmaiolino@redhat.com Thu Jun 23 05:21:46 2016 Return-Path: <cmaiolino@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id E694D7CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 05:21:46 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id B9861304032 for <xfs@oss.sgi.com>; 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Thu, 23 Jun 2016 06:21:40 -0400 Date: Thu, 23 Jun 2016 12:21:37 +0200 From: Carlos Maiolino <cmaiolino@redhat.com> To: Hou Tao <houtao1@huawei.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: remove the magic numbers in xfs_btree_block-related len macros Message-ID: <20160623102137.GH27894@redhat.com> X-ASG-Orig-Subj: Re: [PATCH] xfs: remove the magic numbers in xfs_btree_block-related len macros Mail-Followup-To: Hou Tao <houtao1@huawei.com>, xfs@oss.sgi.com References: <1466651420-126472-1-git-send-email-houtao1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466651420-126472-1-git-send-email-houtao1@huawei.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 23 Jun 2016 10:21:41 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466677302 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4224 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 23, 2016 at 11:10:20AM +0800, Hou Tao wrote: > replace the magic numbers by offsetof(...) and sizeof(...), and add two > extra checks on xfs_check_ondisk_structs() > > Signed-off-by: Hou Tao <houtao1@huawei.com> > --- > fs/xfs/libxfs/xfs_format.h | 66 ++++++++++++++++++++++++++++------------------ > fs/xfs/xfs_ondisk.h | 2 ++ > 2 files changed, 43 insertions(+), 25 deletions(-) > Particularly I liked the idea of defining the short and long block structures outside of xfs_btree_block and removing magic numbers is a good thing too. you can consider it Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> > diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h > index dc97eb21..d3069be 100644 > --- a/fs/xfs/libxfs/xfs_format.h > +++ b/fs/xfs/libxfs/xfs_format.h > @@ -1435,41 +1435,57 @@ typedef __be64 xfs_bmbt_ptr_t, xfs_bmdr_ptr_t; > * with the crc feature bit, and all accesses to them must be conditional on > * that flag. > */ > +/* short form block */ > +struct xfs_btree_sblock_part { > + __be32 bb_leftsib; > + __be32 bb_rightsib; > + > + __be64 bb_blkno; > + __be64 bb_lsn; > + uuid_t bb_uuid; > + __be32 bb_owner; > + __le32 bb_crc; > +}; > + > +/* long form block */ > +struct xfs_btree_lblock_part { > + __be64 bb_leftsib; > + __be64 bb_rightsib; > + > + __be64 bb_blkno; > + __be64 bb_lsn; > + uuid_t bb_uuid; > + __be64 bb_owner; > + __le32 bb_crc; > + __be32 bb_pad; /* padding for alignment */ > +}; > + > struct xfs_btree_block { > __be32 bb_magic; /* magic number for block type */ > __be16 bb_level; /* 0 is a leaf */ > __be16 bb_numrecs; /* current # of data records */ > union { > - struct { > - __be32 bb_leftsib; > - __be32 bb_rightsib; > - > - __be64 bb_blkno; > - __be64 bb_lsn; > - uuid_t bb_uuid; > - __be32 bb_owner; > - __le32 bb_crc; > - } s; /* short form pointers */ > - struct { > - __be64 bb_leftsib; > - __be64 bb_rightsib; > - > - __be64 bb_blkno; > - __be64 bb_lsn; > - uuid_t bb_uuid; > - __be64 bb_owner; > - __le32 bb_crc; > - __be32 bb_pad; /* padding for alignment */ > - } l; /* long form pointers */ > + struct xfs_btree_sblock_part s; > + struct xfs_btree_lblock_part l; > } bb_u; /* rest */ > }; > > -#define XFS_BTREE_SBLOCK_LEN 16 /* size of a short form block */ > -#define XFS_BTREE_LBLOCK_LEN 24 /* size of a long form block */ > +/* size of a short form block */ > +#define XFS_BTREE_SBLOCK_LEN \ > + (offsetof(struct xfs_btree_block, bb_u) + \ > + offsetof(struct xfs_btree_sblock_part, bb_blkno)) > +/* size of a long form block */ > +#define XFS_BTREE_LBLOCK_LEN \ > + (offsetof(struct xfs_btree_block, bb_u) + \ > + offsetof(struct xfs_btree_lblock_part, bb_blkno)) > > /* sizes of CRC enabled btree blocks */ > -#define XFS_BTREE_SBLOCK_CRC_LEN (XFS_BTREE_SBLOCK_LEN + 40) > -#define XFS_BTREE_LBLOCK_CRC_LEN (XFS_BTREE_LBLOCK_LEN + 48) > +#define XFS_BTREE_SBLOCK_CRC_LEN \ > + (offsetof(struct xfs_btree_block, bb_u) + \ > + sizeof(struct xfs_btree_sblock_part)) > +#define XFS_BTREE_LBLOCK_CRC_LEN \ > + (offsetof(struct xfs_btree_block, bb_u) + \ > + sizeof(struct xfs_btree_lblock_part)) > > #define XFS_BTREE_SBLOCK_CRC_OFF \ > offsetof(struct xfs_btree_block, bb_u.s.bb_crc) > diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h > index 184c44e..6f06c48 100644 > --- a/fs/xfs/xfs_ondisk.h > +++ b/fs/xfs/xfs_ondisk.h > @@ -34,6 +34,8 @@ xfs_check_ondisk_structs(void) > XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_key, 8); > XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_rec, 16); > XFS_CHECK_STRUCT_SIZE(struct xfs_bmdr_block, 4); > + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_sblock_part, 48); > + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_lblock_part, 64); > XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block, 72); > XFS_CHECK_STRUCT_SIZE(struct xfs_dinode, 176); > XFS_CHECK_STRUCT_SIZE(struct xfs_disk_dquot, 104); > -- > 2.5.5 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From mstsxfx@gmail.com Thu Jun 23 06:35:24 2016 Return-Path: <mstsxfx@gmail.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AEA187CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 06:35:24 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 8165A8F8033 for <xfs@oss.sgi.com>; 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Thu, 23 Jun 2016 04:35:18 -0700 (PDT) Received: from localhost ([80.188.202.66]) by smtp.gmail.com with ESMTPSA id zb9sm3952113wjc.34.2016.06.23.04.35.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 Jun 2016 04:35:17 -0700 (PDT) Date: Thu, 23 Jun 2016 13:35:16 +0200 From: Michal Hocko <mhocko@kernel.org> To: Peter Zijlstra <peterz@infradead.org>, Dave Chinner <david@fromorbit.com> Cc: "Darrick J. Wong" <darrick.wong@oracle.com>, Qu Wenruo <quwenruo@cn.fujitsu.com>, xfs@oss.sgi.com, linux-mm@kvack.org, Ingo Molnar <mingo@kernel.org> Subject: Re: Xfs lockdep warning with for-dave-for-4.6 branch Message-ID: <20160623113516.GG30077@dhcp22.suse.cz> X-ASG-Orig-Subj: Re: Xfs lockdep warning with for-dave-for-4.6 branch References: <20160602145048.GS1995@dhcp22.suse.cz> <20160602151116.GD3190@twins.programming.kicks-ass.net> <20160602154619.GU1995@dhcp22.suse.cz> <20160602232254.GR12670@dastard> <20160606122022.GH11895@dhcp22.suse.cz> <20160615072154.GF26977@dastard> <20160621142628.GG30848@dhcp22.suse.cz> <20160622010320.GR12670@dastard> <20160622123822.GG9208@dhcp22.suse.cz> <20160622225816.GY12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622225816.GY12670@dastard> User-Agent: Mutt/1.6.0 (2016-04-01) X-Barracuda-Connect: mail-wm0-f45.google.com[74.125.82.45] X-Barracuda-Start-Time: 1466681719 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2259 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30687 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu 23-06-16 08:58:16, Dave Chinner wrote: > On Wed, Jun 22, 2016 at 02:38:22PM +0200, Michal Hocko wrote: > > On Wed 22-06-16 11:03:20, Dave Chinner wrote: > > > On Tue, Jun 21, 2016 at 04:26:28PM +0200, Michal Hocko wrote: > > > > On Wed 15-06-16 17:21:54, Dave Chinner wrote: > > [...] > > > > > There are allocations outside transaction context which need to be > > > > > GFP_NOFS - this is what KM_NOFS was originally intended for. > > > > > > > > Is it feasible to mark those by the scope NOFS api as well and drop > > > > the direct KM_NOFS usage? This should help to identify those that are > > > > lockdep only and use the annotation to prevent from the false positives. > > > > > > I don't understand what you are suggesting here. This all started > > > because we use GFP_NOFS in a handful of places to shut up lockdep > > > and you didn't want us to use GFP_NOFS like that. Now it sounds to > > > me like you are advocating setting unconditional GFP_NOFS allocation > > > contexts for entire XFS code paths - whether it's necessary or > > > not - to avoid problems with lockdep false positives. > > > > No, I meant only those paths which need GFP_NOFS for other than lockdep > > purposes would use the scope api. > > > > Anyway, it seems that we are not getting closer to a desired solution > > here. Or I am not following it at least... > > > > It seems that we have effectively two possibilities (from the > > MM/lockdep) POV. Either add an explicit API to disable the reclaim > > lockdep machinery for all allocation in a certain scope or a GFP mask > > to to achieve the same for a particular allocation. Which one would work > > better for the xfs usecase? > > As I've said - if we annotate the XFS call sites appropriately (e.g. > KM_NOLOCKDEP rather than KM_NOFS), we don't care what lockdep > mechanism is used to turn off warnings as it will be wholly > encapsulated inside kmem_alloc() and friends. This will end up > similar to how we are currently encapsulate the memalloc_noio_save() > wrappers in kmem_zalloc_large(). OK, I see. So which way do we go Peter? Are you going to send the GFP one or is there a way to bribe you to go with a thread flag? -- Michal Hocko SUSE Labs From slghu@slgthomas.hu Thu Jun 23 06:40:41 2016 Return-Path: <slghu@slgthomas.hu> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FSL_MISSP_REPLYTO,T_HK_NAME_DR autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C005B7CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 06:40:41 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 849338F8039 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 04:40:41 -0700 (PDT) X-ASG-Debug-ID: 1466682038-04cb6c063f109530001-NocioJ Received: from ns1.powered-hosting.com (ns1.powered-hosting.com [69.162.109.218]) by cuda.sgi.com with ESMTP id 8MOEZosFXkZw4Eqt for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 04:40:38 -0700 (PDT) X-Barracuda-Envelope-From: slghu@slgthomas.hu X-Barracuda-Effective-Source-IP: ns1.powered-hosting.com[69.162.109.218] X-Barracuda-Apparent-Source-IP: 69.162.109.218 Received: from [106.196.171.145] ([106.196.171.145]) (authenticated bits=0) by ns1.powered-hosting.com (8.14.5/8.14.5) with ESMTP id u5NB79Zi000845; Thu, 23 Jun 2016 08:07:54 -0300 Message-Id: <201606231107.u5NB79Zi000845@ns1.powered-hosting.com> Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Description: Mail message body Subject: Supply Deal! To: Recipients <slghu@slgthomas.hu> X-ASG-Orig-Subj: Supply Deal! From: "Dr.Peter Nuwman"<slghu@slgthomas.hu> Date: Thu, 23 Jun 2016 17:10:12 +0530 Reply-To: info_nuwmanp@beniger.com X-Antivirus/AntiSpam-MailScanner-Information: Please contact the ISP for more information X-Antivirus/AntiSpam-MailScanner-ID: u5NB79Zi000845 X-Antivirus/AntiSpam-MailScanner: Not scanned: please contact your Internet E-Mail Service Provider for details X-Antivirus/AntiSpam-MailScanner-From: slghu@slgthomas.hu X-Barracuda-Connect: ns1.powered-hosting.com[69.162.109.218] X-Barracuda-Start-Time: 1466682038 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 0 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.50 X-Barracuda-Spam-Status: No, SCORE=0.50 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA_TO_FROM_ADDR_MATCH X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30687 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.50 BSF_SC0_SA_TO_FROM_ADDR_MATCH Sender Address Matches Recipient Address Respected Sir/Madam, I work with a production Pharmaceutical raw materials based in USA. 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If you agree to work with me, kindly Indicate your interest for more details regards Dr.Peter Nuwman From billodo@redhat.com Thu Jun 23 09:17:54 2016 Return-Path: <billodo@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9A3F97CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 09:17:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 67B528F8035 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 07:17:54 -0700 (PDT) X-ASG-Debug-ID: 1466691472-04cbb02735118ab0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id XRx1s5hqTAqKHVWN (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 07:17:53 -0700 (PDT) X-Barracuda-Envelope-From: billodo@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 22D9263163; Thu, 23 Jun 2016 14:17:52 +0000 (UTC) Received: from redhat.com (vpn-49-102.rdu2.redhat.com [10.10.49.102]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5NEHn5X007343 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 23 Jun 2016 10:17:51 -0400 Date: Thu, 23 Jun 2016 09:17:49 -0500 From: "Bill O'Donnell" <billodo@redhat.com> To: Dave Chinner <david@fromorbit.com> Cc: Damien Gombault <damien.gombault@recia.fr>, xfs@oss.sgi.com Subject: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed Message-ID: <20160623141749.GA25075@redhat.com> X-ASG-Orig-Subj: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed References: <a08ae222-7654-4a6f-d9ba-f70017784f74@recia.fr> <20160622220959.GV12670@dastard> <20160622222328.GW12670@dastard> <20160623014217.GZ12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160623014217.GZ12670@dastard> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 23 Jun 2016 14:17:52 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466691473 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7520 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 23, 2016 at 11:42:17AM +1000, Dave Chinner wrote: > On Thu, Jun 23, 2016 at 08:23:28AM +1000, Dave Chinner wrote: > > On Thu, Jun 23, 2016 at 08:09:59AM +1000, Dave Chinner wrote: > > > But it seems that dirb hasn't been created before the file in it > > > is being restored. THis can happen because the inventory is not > > > correct, whichmay in fact be a problem with dump rather than > > > restore... > > > > > > I'll have a bit of a play around here, see if I can reproduce it. > > > > Yes, i can reproduce it, so I'll have a deeper look. > > Can you try this patch? FWIW, I tried it on a RHEL7 box and it works fine with Damien's test case. Thanks- Bill > > -Dave > -- > Dave Chinner > david@fromorbit.com > > restore: make new directories after renames > > From: Dave Chinner <dchinner@redhat.com> > > Damien Gombault reported that restores of cumulative dumps with > renamed directories were throwing an error and were incomplete: > > xfsrestore: file 0 in stream, file 0 in dump 0 on object > xfsrestore: restoring dirA/dirb/fileb (526337 1283006502) > xfsrestore: restoring regular file ino 526337 dirA/dirb/fileb > xfsrestore: WARNING: open of dirA/dirb/fileb failed: Aucun fichier ou dossier de > ce type: discarding ino 526337 > > This was triggered by a level 1 dump containing a directory rename > and a new directory being created inside the renamed directory. i.e: > > $ mv dira dirA > $ mkdir dirA/dirb > $ echo foo > dirA/dirb/fileb > > xfs_restore handles directory renames by first moving the old > directory to the orphanage, then renaming it from the orphanage to > it's new location. This, in itself is fine. > > The problem is that restore creates the new directories between > these two steps. Hence any new directory created in a renamed > directory cannot be restored from a cumulative dump because when > restore tries to create the new directory neither the old directory > path nor the new directory path exists. Hence it silently drops the > new directory, resulting in subsequent errors tryin gto restore > files within that new directory. > > The simple fix - just change the order of operations > in tree_post() so that new directories are created after all the > renames are processed - is not useful. All that does is break the > case of renames into newly created directories. > > However, because the making of directories that already exist or > can't be made silently fails, and the create process does not modify > the internal directory tree, we can run the directory creation > function multiple times. Hence we can run directory creation both > before and after the directory rename step, hence ensuring both > new parents and new child directories are created appropriately. > > This still may not be sufficient for complex directory > reorganisations, but it does address the reported problem in a > manner that is unlikely to cause regresssions. This is important, > because this code has not changed at all since it was first publicly > released in early 2001. Hence the minimum change we can make to fix > the reported problem is the least risky approach we can take. > > Signed-off-by: Dave Chinner <dchinner@redhat.com> > --- > restore/tree.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++---------- > 1 file changed, 51 insertions(+), 10 deletions(-) > > diff --git a/restore/tree.c b/restore/tree.c > index 0336e77..8e6fab1 100644 > --- a/restore/tree.c > +++ b/restore/tree.c > @@ -1163,15 +1163,35 @@ tree_subtree_parse( bool_t sensepr, char *path ) > return BOOL_TRUE; > } > > -/* tree_post - called after the dirdump has been applied. > - * first phase is to eliminate all unreferenced dirents. > - * done by recursive depth-wise descent of the tree. on the way > - * up, unlink or orphan unreferenced nondirs, unlink unreferenced > - * dirs, orphan dirs to be renamed. if a dir is unreferenced, but > +/* tree_post - called after the dirdump has been applied. first phase is to > + * eliminate all unreferenced dirents. done by recursive depth-wise descent of > + * the tree. on the way up, unlink or orphan unreferenced nondirs, unlink > + * unreferenced dirs, orphan dirs to be renamed. if a dir is unreferenced, but > * contains referenced dirents, orphan those dirents. orphan unreferenced > * nondirs if they are the last link to an inode referenced but not real > * somewhere else in the tree. next, make new directories. then rename > * directories. finally, create hardlinks from orphanage. > + * > + * Note: the way renamed directories are handled by first orphaning them leads > + * to a chicken and egg problem - the directory does not exist when we try to > + * make a new directory inside the renamed directory destination. This fails > + * silently, leaving us with ENOENT errors when trying to restore files within > + * that new directory. > + * > + * To prevent this from happening, we need to create new subdirectories *after* > + * we have processed all the renamed directories. However, so that the renames > + * succeed, we also have to create any new parent directories that the renames > + * depend on. > + * > + * Hence we have to do two mkdir passes: one before the renames to create new > + * ancestors for rename destinations and one after the rename to create new > + * children in rename destinations. > + * > + * NOTE: a simple before/after creation as done below may be too simple for > + * complex directory structure manipulations. e.g. rename into a new child in > + * the destination of another rename. This may have to become an iterative loop > + * that runs until all renames and mkdirs are resolved. We'll cross that bridge > + * when we need to, not now. > */ > static bool_t noref_elim_recurse( nh_t parh, > nh_t cldh, > @@ -1216,7 +1236,14 @@ tree_post( char *path1, char *path2 ) > } > } > > - /* make new directories > +#ifdef TREE_CHK > + assert( tree_chk( )); > +#endif /* TREE_CHK */ > + > + /* > + * make new directories to ensure rename destination ancestors are > + * present before attempting the renames. This will silently skip all > + * the creations that are in rename destinations. > */ > mlog( MLOG_DEBUG | MLOG_TREE, > "making new directories\n" ); > @@ -1228,10 +1255,6 @@ tree_post( char *path1, char *path2 ) > return BOOL_FALSE; > } > > -#ifdef TREE_CHK > - assert( tree_chk( )); > -#endif /* TREE_CHK */ > - > /* rename directories > */ > if ( ! persp->p_fullpr ) { > @@ -1250,6 +1273,24 @@ tree_post( char *path1, char *path2 ) > assert( tree_chk( )); > #endif /* TREE_CHK */ > > + /* > + * Repeat making new directories to create directories in rename > + * destinations that were skipped in the first pass. > + */ > + mlog( MLOG_DEBUG | MLOG_TREE, > + "making new directories in renamed ancestors\n" ); > + rootp = Node_map( persp->p_rooth ); > + cldh = rootp->n_cldh; > + Node_unmap( persp->p_rooth, &rootp ); > + ok = mkdirs_recurse( persp->p_rooth, cldh, path1 ); > + if ( ! ok ) { > + return BOOL_FALSE; > + } > + > +#ifdef TREE_CHK > + assert( tree_chk( )); > +#endif /* TREE_CHK */ > + > /* process hard links > */ > if ( ! persp->p_fullpr ) { > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From boaz@plexistor.com Thu Jun 23 09:22:51 2016 Return-Path: <boaz@plexistor.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 00D037CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 09:22:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id BAACC304032 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 07:22:47 -0700 (PDT) X-ASG-Debug-ID: 1466691763-04cbb02738119040001-NocioJ Received: from mail-wm0-f47.google.com (mail-wm0-f47.google.com [74.125.82.47]) by cuda.sgi.com with ESMTP id GYpXWz1fxGkE5Sai (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 07:22:44 -0700 (PDT) X-Barracuda-Envelope-From: boaz@plexistor.com X-Barracuda-Effective-Source-IP: mail-wm0-f47.google.com[74.125.82.47] X-Barracuda-Apparent-Source-IP: 74.125.82.47 Received: by mail-wm0-f47.google.com with SMTP id 187so4091534wmz.1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 07:22:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=plexistor-com.20150623.gappssmtp.com; s=20150623; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-transfer-encoding; bh=pM8Rxcs2v/vBWSRsudXUDwkk8WadGtF7T132FX267IY=; b=dSb1VemiIyZ0Zp0kLe0IoHqfrA87ykNs9V9ip6J2JnoO0nXGGFMucuMNpqHD+Gx8Bm k3A3qIYqAF09wuiyHBozZfGp6B6cCZPDOjtvityHHS7+nUnIAjlm1ThY1d0dS/m8rVkB wS8F96SHdEI8jDRqT1PR80RufexRsSJf1qPpsw6OyzMEVZsXfH0nmPUcIZv0a8qJrqh4 ZmHW8nvKzkgkzc5LJYovaeQhDJeyNY9Bd0q/K4RaVc14iliTpeb6GQI+HRA3GoQ6ZRjX bvyoYYWeKSxfw1AWqACZf9T0bfx88WhyaCXmJnVl5w6i+YMGREcN+5AB7kAgBsiJaz4g 53GA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-transfer-encoding; bh=pM8Rxcs2v/vBWSRsudXUDwkk8WadGtF7T132FX267IY=; b=T0EbpNqDpzJuuX8CZJaY8krMjNg8qzuEzsySMM4CFxG+k8sK5mPJA84CeEb9WltY9l yxir/jKrN/dsirkz5ONOR8/6zA4J8+tJ60n3A+VHCF9PZcdh9ermbMcK0c/enHgc0HfA 2tqDjj4zKFMN65i5XFbJr2A2XVgInVb5A6e5g+rE8JBd3rgD2UpivTr3LFXrILBt9iJV kQqDCkNdws9kIvxrwHYJDdzyg3xYShYf63eDg1RqXBZZ5SXJMebPzi/57gZH/HXkZtXd E27URSH4DFrsh8RIxrqHJyfZY0aD3WNBGpkGYqb69AfmBlAqof62S1KqZ0Ce/avNaGCj zeRw== X-Gm-Message-State: ALyK8tKaiyGPme4OVuJCCYQl5Bz0ShMaTCXMwCjXO90Kq2h+UnGz2B74J6rELPPcyZ9cIg== X-Received: by 10.194.235.4 with SMTP id ui4mr32206254wjc.23.1466691762782; Thu, 23 Jun 2016 07:22:42 -0700 (PDT) Received: from [10.0.0.5] ([207.232.55.62]) by smtp.googlemail.com with ESMTPSA id kd7sm376360wjc.33.2016.06.23.07.22.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 Jun 2016 07:22:42 -0700 (PDT) Message-ID: <576BF0B0.5080904@plexistor.com> Date: Thu, 23 Jun 2016 17:22:40 +0300 From: Boaz Harrosh <boaz@plexistor.com> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Christoph Hellwig <hch@lst.de>, xfs@oss.sgi.com CC: linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: [PATCH 8/8] xfs: fix locking for DAX writes References: <1466609236-23801-1-git-send-email-hch@lst.de> <1466609236-23801-9-git-send-email-hch@lst.de> X-ASG-Orig-Subj: Re: [PATCH 8/8] xfs: fix locking for DAX writes In-Reply-To: <1466609236-23801-9-git-send-email-hch@lst.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-wm0-f47.google.com[74.125.82.47] X-Barracuda-Start-Time: 1466691764 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3969 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30690 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On 06/22/2016 06:27 PM, Christoph Hellwig wrote: > So far DAX writes inherited the locking from direct I/O writes, but the direct > I/O model of using shared locks for writes is actually wrong for DAX. For > direct I/O we're out of any standards and don't have to provide the Posix > required exclusion between writers, but for DAX which gets transparently > enable on applications without any knowledge of it we can't simply drop the > requirement. Even worse this only happens for aligned writes and thus > doesn't show up for many typical use cases. > Hi Sir Christoph You raise a very interesting point and I would please like to ask questions. Is this a theoretical standards problem or a real applications problem that you know of? You say above: " Posix required exclusion between writers" As I understand, what it means is that if two threads/processes A & B write to the same offset-length, in parallel. then a consistent full version will hold of either A or B, which ever comes last. But never a torn version of both. Is this really POSIX. I mean I knew POSIX is silly but so much so? What about NFS CEPH Luster and all these network shared stuff. Does POSIX say "On a single Node?". (Trond been yelling about file locks for *any* kind of synchronization for years.) And even with the write-lock to serialize writers (Or i_mute in case of ext4) I do not see how this serialization works, because in a cached environment a write_back can start and crash while the second thread above starts his memcopy and on disk we still get a torn version of the record that was half from A half from B. (Or maybe I do not understand what your automicity means) Is not a rant I would really like to know what application uses this "single-writer" facility and how does it actually works for them? I honestly don't see how it works. (And do they really check that they are only working on a local file system?) Sorry for my slowness please explain? BTW: I think that all the patches except this one makes a lot of sense because of all the hidden quirks of direct_IO code paths. Just for example the difference between "aligned and none align writes" as you mentioned above. My $0.017: Who In the real world would actually break without this patch, which is not already broken? And why sacrifice the vast majority of good applications for the sake of an already broken (theoretical?) applications. Thank you Boaz > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- > fs/xfs/xfs_file.c | 20 +------------------- > 1 file changed, 1 insertion(+), 19 deletions(-) > > diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c > index 0e74325..413c9e0 100644 > --- a/fs/xfs/xfs_file.c > +++ b/fs/xfs/xfs_file.c > @@ -714,24 +714,11 @@ xfs_file_dax_write( > struct address_space *mapping = iocb->ki_filp->f_mapping; > struct inode *inode = mapping->host; > struct xfs_inode *ip = XFS_I(inode); > - struct xfs_mount *mp = ip->i_mount; > ssize_t ret = 0; > - int unaligned_io = 0; > - int iolock; > + int iolock = XFS_IOLOCK_EXCL; > struct iov_iter data; > > - /* "unaligned" here means not aligned to a filesystem block */ > - if ((iocb->ki_pos & mp->m_blockmask) || > - ((iocb->ki_pos + iov_iter_count(from)) & mp->m_blockmask)) { > - unaligned_io = 1; > - iolock = XFS_IOLOCK_EXCL; > - } else if (mapping->nrpages) { > - iolock = XFS_IOLOCK_EXCL; > - } else { > - iolock = XFS_IOLOCK_SHARED; > - } > xfs_rw_ilock(ip, iolock); > - > ret = xfs_file_aio_write_checks(iocb, from, &iolock); > if (ret) > goto out; > @@ -747,11 +734,6 @@ xfs_file_dax_write( > WARN_ON_ONCE(ret); > } > > - if (iolock == XFS_IOLOCK_EXCL && !unaligned_io) { > - xfs_rw_ilock_demote(ip, XFS_IOLOCK_EXCL); > - iolock = XFS_IOLOCK_SHARED; > - } > - > trace_xfs_file_dax_write(ip, iov_iter_count(from), iocb->ki_pos); > > data = *from; > From danny@zadarastorage.com Thu Jun 23 10:04:55 2016 Return-Path: <danny@zadarastorage.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C818B7CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 10:04:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 956CD304039 for <xfs@oss.sgi.com>; 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boundary=001a113ca60601c33b0535f3605e X-Barracuda-Connect: mail-lf0-f50.google.com[209.85.215.50] X-Barracuda-Start-Time: 1466694289 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3203 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30692 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --001a113ca60601c33b0535f3605e Content-Type: text/plain; charset=UTF-8 I see. We will try this direction. BTW: I thought that good estimate would be "volume_size - allocated_size - free_space". But it produced quite a difference compared to metadata dump size. Is there a specific reason? Thanks, Danny On Thu, Jun 23, 2016 at 1:51 AM, Dave Chinner <david@fromorbit.com> wrote: > On Wed, Jun 22, 2016 at 06:58:16PM +0300, Danny Shavit wrote: > > Hi, > > > > We are looking for a method to estimate the size of metadata overhead > for a > > given file system. > > We would like to use this value as indicator for the amount of cache > memory > > a system for faster operation. > > Are there any counters that are maintained in the on-disk data > > structures like free space for examples? > > No. > > Right now, you'll need to take a metadump of the filesystem to > measure it. The size of the dump file will be a close indication of > the amount of metadata in the filesystem as it only contains > the filesystem metadata. > > In future, querying the rmap will enable us to calculate it on the > fly, (i.e. not requiring the filesystem to be snapshotted/taken off > line to do a metadump). > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com > -- Regards, Danny --001a113ca60601c33b0535f3605e Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div>I see. We will try this direction.</div><div>BTW: I t= hought that good estimate would be "volume_size - allocated_size - fre= e_space". But it produced quite a difference compared to metadata dump= size.</div><div>Is there a specific reason?</div><div><br></div><div>Thank= s,</div><div>Danny</div></div><div class=3D"gmail_extra"><br><div class=3D"= gmail_quote">On Thu, Jun 23, 2016 at 1:51 AM, Dave Chinner <span dir=3D"ltr= "><<a href=3D"mailto:david@fromorbit.com" target=3D"_blank">david@fromor= bit.com</a>></span> wrote:<br><blockquote class=3D"gmail_quote" style=3D= "margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class= =3D"">On Wed, Jun 22, 2016 at 06:58:16PM +0300, Danny Shavit wrote:<br> > Hi,<br> ><br> > We are looking for a method to estimate the size of metadata overhead = for a<br> > given file system.<br> > We would like to use this value as indicator for the amount of cache m= emory<br> > a system for faster operation.<br> > Are there any counters that are maintained in the on-disk data<br> > structures like free space for examples?<br> <br> </span>No.<br> <br> Right now, you'll need to take a metadump of the filesystem to<br> measure it. The size of the dump file will be a close indication of<br> the amount of metadata in the filesystem as it only contains<br> the filesystem metadata.<br> <br> In future, querying the rmap will enable us to calculate it on the<br> fly, (i.e. not requiring the filesystem to be snapshotted/taken off<br> line to do a metadump).<br> <br> Cheers,<br> <br> Dave.<br> <span class=3D"HOEnZb"><font color=3D"#888888">--<br> Dave Chinner<br> <a href=3D"mailto:david@fromorbit.com">david@fromorbit.com</a><br> </font></span></blockquote></div><br><br clear=3D"all"><div><br></div>-- <b= r><div class=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div di= r=3D"ltr"><div>Regards,<br></div>Danny<br></div></div> </div> --001a113ca60601c33b0535f3605e-- From billodo@redhat.com Thu Jun 23 12:07:16 2016 Return-Path: <billodo@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9484C7CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 12:07:16 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 6759C8F8033 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 10:07:13 -0700 (PDT) X-ASG-Debug-ID: 1466701631-04cb6c063f1163c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id S7DXQ5NHI5gcMIS2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 10:07:12 -0700 (PDT) X-Barracuda-Envelope-From: billodo@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A60DB3F745 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 17:07:11 +0000 (UTC) Received: from localhost.localdomain.com (vpn-49-102.rdu2.redhat.com [10.10.49.102]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5NH7Blk024982 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 13:07:11 -0400 From: "Bill O'Donnell" <billodo@redhat.com> To: xfs@oss.sgi.com Subject: [PATCH] xfs_repair: resolve Coverity OVERFLOW_BEFORE_WIDEN Date: Thu, 23 Jun 2016 12:07:10 -0500 X-ASG-Orig-Subj: [PATCH] xfs_repair: resolve Coverity OVERFLOW_BEFORE_WIDEN Message-Id: <1466701630-6380-1-git-send-email-billodo@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 23 Jun 2016 17:07:11 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466701632 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 874 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Coverity complains that when multiplying two 32 bit values that eventually will be stored in a 64 bit value that it's possible the math could overflow unless one of the values being multiplied is type cast to the proper size. Signed-off-by: Bill O'Donnell <billodo@redhat.com> --- repair/sb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/repair/sb.c b/repair/sb.c index 3965953..8d4843c 100644 --- a/repair/sb.c +++ b/repair/sb.c @@ -230,7 +230,7 @@ find_secondary_sb(xfs_sb_t *rsb) do_warn(_("\nattempting to find secondary superblock...\n")); if (verify_sb_blocksize(rsb) == 0) { - skip = rsb->sb_agblocks * rsb->sb_blocksize; + skip = (__uint64_t)rsb->sb_agblocks * rsb->sb_blocksize; if (skip >= XFS_AG_MIN_BYTES && skip <= XFS_AG_MAX_BYTES) retval = __find_secondary_sb(rsb, skip, skip); } -- 2.7.4 From bfoster@redhat.com Thu Jun 23 12:20:16 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4FC407CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 12:20:16 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0FC628F8033 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 10:20:16 -0700 (PDT) X-ASG-Debug-ID: 1466702390-04bdf074b5218b0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id dQCbYPYCjgz2zkQB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 10:19:50 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5B7ADC0799BB; Thu, 23 Jun 2016 17:19:50 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-2.bos.redhat.com [10.18.41.2]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5NHJnWt016988; Thu, 23 Jun 2016 13:19:50 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 755071201DB; Thu, 23 Jun 2016 13:19:48 -0400 (EDT) Date: Thu, 23 Jun 2016 13:19:48 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 015/119] xfs: refactor btree owner change into a separate visit-blocks function Message-ID: <20160623171947.GA40109@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 015/119] xfs: refactor btree owner change into a separate visit-blocks function References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612636805.12839.15108503251791000478.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612636805.12839.15108503251791000478.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 23 Jun 2016 17:19:50 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466702390 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6859 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:19:28PM -0700, Darrick J. Wong wrote: > Refactor the btree_change_owner function into a more generic apparatus > which visits all blocks in a btree. We'll use this in a subsequent > patch for counting btree blocks for AG reservations. > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- Reviewed-by: Brian Foster <bfoster@redhat.com> > fs/xfs/libxfs/xfs_btree.c | 141 +++++++++++++++++++++++++++++---------------- > fs/xfs/libxfs/xfs_btree.h | 5 ++ > 2 files changed, 96 insertions(+), 50 deletions(-) > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index 5f5cf23..eac876a 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -4289,6 +4289,81 @@ xfs_btree_get_rec( > return 0; > } > > +/* Visit a block in a btree. */ > +STATIC int > +xfs_btree_visit_block( > + struct xfs_btree_cur *cur, > + int level, > + xfs_btree_visit_blocks_fn fn, > + void *data) > +{ > + struct xfs_btree_block *block; > + struct xfs_buf *bp; > + union xfs_btree_ptr rptr; > + int error; > + > + /* do right sibling readahead */ > + xfs_btree_readahead(cur, level, XFS_BTCUR_RIGHTRA); > + block = xfs_btree_get_block(cur, level, &bp); > + > + /* process the block */ > + error = fn(cur, level, data); > + if (error) > + return error; > + > + /* now read rh sibling block for next iteration */ > + xfs_btree_get_sibling(cur, block, &rptr, XFS_BB_RIGHTSIB); > + if (xfs_btree_ptr_is_null(cur, &rptr)) > + return -ENOENT; > + > + return xfs_btree_lookup_get_block(cur, level, &rptr, &block); > +} > + > + > +/* Visit every block in a btree. */ > +int > +xfs_btree_visit_blocks( > + struct xfs_btree_cur *cur, > + xfs_btree_visit_blocks_fn fn, > + void *data) > +{ > + union xfs_btree_ptr lptr; > + int level; > + struct xfs_btree_block *block = NULL; > + int error = 0; > + > + cur->bc_ops->init_ptr_from_cur(cur, &lptr); > + > + /* for each level */ > + for (level = cur->bc_nlevels - 1; level >= 0; level--) { > + /* grab the left hand block */ > + error = xfs_btree_lookup_get_block(cur, level, &lptr, &block); > + if (error) > + return error; > + > + /* readahead the left most block for the next level down */ > + if (level > 0) { > + union xfs_btree_ptr *ptr; > + > + ptr = xfs_btree_ptr_addr(cur, 1, block); > + xfs_btree_readahead_ptr(cur, ptr, 1); > + > + /* save for the next iteration of the loop */ > + lptr = *ptr; > + } > + > + /* for each buffer in the level */ > + do { > + error = xfs_btree_visit_block(cur, level, fn, data); > + } while (!error); > + > + if (error != -ENOENT) > + return error; > + } > + > + return 0; > +} > + > /* > * Change the owner of a btree. > * > @@ -4313,26 +4388,27 @@ xfs_btree_get_rec( > * just queue the modified buffer as delayed write buffer so the transaction > * recovery completion writes the changes to disk. > */ > +struct xfs_btree_block_change_owner_info { > + __uint64_t new_owner; > + struct list_head *buffer_list; > +}; > + > static int > xfs_btree_block_change_owner( > struct xfs_btree_cur *cur, > int level, > - __uint64_t new_owner, > - struct list_head *buffer_list) > + void *data) > { > + struct xfs_btree_block_change_owner_info *bbcoi = data; > struct xfs_btree_block *block; > struct xfs_buf *bp; > - union xfs_btree_ptr rptr; > - > - /* do right sibling readahead */ > - xfs_btree_readahead(cur, level, XFS_BTCUR_RIGHTRA); > > /* modify the owner */ > block = xfs_btree_get_block(cur, level, &bp); > if (cur->bc_flags & XFS_BTREE_LONG_PTRS) > - block->bb_u.l.bb_owner = cpu_to_be64(new_owner); > + block->bb_u.l.bb_owner = cpu_to_be64(bbcoi->new_owner); > else > - block->bb_u.s.bb_owner = cpu_to_be32(new_owner); > + block->bb_u.s.bb_owner = cpu_to_be32(bbcoi->new_owner); > > /* > * If the block is a root block hosted in an inode, we might not have a > @@ -4346,19 +4422,14 @@ xfs_btree_block_change_owner( > xfs_trans_ordered_buf(cur->bc_tp, bp); > xfs_btree_log_block(cur, bp, XFS_BB_OWNER); > } else { > - xfs_buf_delwri_queue(bp, buffer_list); > + xfs_buf_delwri_queue(bp, bbcoi->buffer_list); > } > } else { > ASSERT(cur->bc_flags & XFS_BTREE_ROOT_IN_INODE); > ASSERT(level == cur->bc_nlevels - 1); > } > > - /* now read rh sibling block for next iteration */ > - xfs_btree_get_sibling(cur, block, &rptr, XFS_BB_RIGHTSIB); > - if (xfs_btree_ptr_is_null(cur, &rptr)) > - return -ENOENT; > - > - return xfs_btree_lookup_get_block(cur, level, &rptr, &block); > + return 0; > } > > int > @@ -4367,43 +4438,13 @@ xfs_btree_change_owner( > __uint64_t new_owner, > struct list_head *buffer_list) > { > - union xfs_btree_ptr lptr; > - int level; > - struct xfs_btree_block *block = NULL; > - int error = 0; > + struct xfs_btree_block_change_owner_info bbcoi; > > - cur->bc_ops->init_ptr_from_cur(cur, &lptr); > + bbcoi.new_owner = new_owner; > + bbcoi.buffer_list = buffer_list; > > - /* for each level */ > - for (level = cur->bc_nlevels - 1; level >= 0; level--) { > - /* grab the left hand block */ > - error = xfs_btree_lookup_get_block(cur, level, &lptr, &block); > - if (error) > - return error; > - > - /* readahead the left most block for the next level down */ > - if (level > 0) { > - union xfs_btree_ptr *ptr; > - > - ptr = xfs_btree_ptr_addr(cur, 1, block); > - xfs_btree_readahead_ptr(cur, ptr, 1); > - > - /* save for the next iteration of the loop */ > - lptr = *ptr; > - } > - > - /* for each buffer in the level */ > - do { > - error = xfs_btree_block_change_owner(cur, level, > - new_owner, > - buffer_list); > - } while (!error); > - > - if (error != -ENOENT) > - return error; > - } > - > - return 0; > + return xfs_btree_visit_blocks(cur, xfs_btree_block_change_owner, > + &bbcoi); > } > > /** > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index 898fee5..0ec3055 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -506,4 +506,9 @@ int xfs_btree_query_range(struct xfs_btree_cur *cur, > union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, > xfs_btree_query_range_fn fn, void *priv); > > +typedef int (*xfs_btree_visit_blocks_fn)(struct xfs_btree_cur *cur, int level, > + void *data); > +int xfs_btree_visit_blocks(struct xfs_btree_cur *cur, > + xfs_btree_visit_blocks_fn fn, void *data); > + > #endif /* __XFS_BTREE_H__ */ > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sandeen@sandeen.net Thu Jun 23 12:35:21 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9F1AC7CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 12:35:21 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 70EA7304048 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 10:35:18 -0700 (PDT) X-ASG-Debug-ID: 1466703314-04cb6c063f1171d0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id jrQnCCG0bYUWbz9l for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 10:35:14 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 6499D15B3B for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 12:35:14 -0500 (CDT) Subject: Re: [PATCH] xfs_repair: resolve Coverity OVERFLOW_BEFORE_WIDEN To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: resolve Coverity OVERFLOW_BEFORE_WIDEN References: <1466701630-6380-1-git-send-email-billodo@redhat.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <f1844664-4eea-9fdc-f617-39a602977201@sandeen.net> Date: Thu, 23 Jun 2016 12:35:14 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1466701630-6380-1-git-send-email-billodo@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1466703314 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1142 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30695 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/23/16 12:07 PM, Bill O'Donnell wrote: > Coverity complains that when multiplying two 32 bit values that > eventually will be stored in a 64 bit value that it's possible > the math could overflow unless one of the values being multiplied > is type cast to the proper size. > > Signed-off-by: Bill O'Donnell <billodo@redhat.com> Makes sense. Given that this is repair, and either value could be larger than expected, we need the skip value to be accurate. Reviewed-by: Eric Sandeen <sandeen@redhat.com> > --- > repair/sb.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/repair/sb.c b/repair/sb.c > index 3965953..8d4843c 100644 > --- a/repair/sb.c > +++ b/repair/sb.c > @@ -230,7 +230,7 @@ find_secondary_sb(xfs_sb_t *rsb) > do_warn(_("\nattempting to find secondary superblock...\n")); > > if (verify_sb_blocksize(rsb) == 0) { > - skip = rsb->sb_agblocks * rsb->sb_blocksize; > + skip = (__uint64_t)rsb->sb_agblocks * rsb->sb_blocksize; > if (skip >= XFS_AG_MIN_BYTES && skip <= XFS_AG_MAX_BYTES) > retval = __find_secondary_sb(rsb, skip, skip); > } > From sandeen@sandeen.net Thu Jun 23 13:12:26 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 7E4DF7CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 13:12:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 514818F8033 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 11:12:22 -0700 (PDT) X-ASG-Debug-ID: 1466705540-04cbb027381377c0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id AjZoEWlO7ZsAJF1o for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 11:12:20 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 6690915B3B for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 13:12:20 -0500 (CDT) Subject: Re: xfs metadata overhead To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: xfs metadata overhead References: <CAC=x_0jDYb17Vh97Led7XXDiUMcUTJbpJ2Dw45gn=D0_w0K5VQ@mail.gmail.com> <20160622225117.GX12670@dastard> <CAC=x_0hdvm7SSP8EOAdUwLa-k3a3p7p7CRj8tyCnEx=As7A6jw@mail.gmail.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <71fbc905-ef05-126a-5c7f-c68c9018763c@sandeen.net> Date: Thu, 23 Jun 2016 13:12:20 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <CAC=x_0hdvm7SSP8EOAdUwLa-k3a3p7p7CRj8tyCnEx=As7A6jw@mail.gmail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1466705540 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1725 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30696 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/23/16 10:04 AM, Danny Shavit wrote: > I see. We will try this direction. > BTW: I thought that good estimate would be "volume_size - > allocated_size - free_space". But it produced quite a difference > compared to metadata dump size. > Is there a specific reason? How do you determine allocated_size, with du? How different? Can you show an example? -Eric > Thanks, > Danny > > On Thu, Jun 23, 2016 at 1:51 AM, Dave Chinner <david@fromorbit.com <mailto:david@fromorbit.com>> wrote: > > On Wed, Jun 22, 2016 at 06:58:16PM +0300, Danny Shavit wrote: > > Hi, > > > > We are looking for a method to estimate the size of metadata overhead for a > > given file system. > > We would like to use this value as indicator for the amount of cache memory > > a system for faster operation. > > Are there any counters that are maintained in the on-disk data > > structures like free space for examples? > > No. > > Right now, you'll need to take a metadump of the filesystem to > measure it. The size of the dump file will be a close indication of > the amount of metadata in the filesystem as it only contains > the filesystem metadata. > > In future, querying the rmap will enable us to calculate it on the > fly, (i.e. not requiring the filesystem to be snapshotted/taken off > line to do a metadump). > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com <mailto:david@fromorbit.com> > > > > > -- > Regards, > Danny > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > From david@fromorbit.com Thu Jun 23 18:25:02 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 641A27CA1 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 18:25:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id E0892AC003 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 16:24:58 -0700 (PDT) X-ASG-Debug-ID: 1466724295-04bdf074b52e280001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id WacvkWjcMwBec3TK for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 16:24:55 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2BAFgCxbmxXEJgMLHldgz6BU4J2g3mecQEBAQEBAQaMPYoQhhIEAgKBMU0BAQEBAQEHAQEBAQEBAQE+QIRNAQEEOhwjEAgDDgoJJQ8FJQMHGhOIL8dCAQEBAQYCASQehUKFFYdsgi8FmH+OJ48tj36CXByBXioyigABAQE Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 24 Jun 2016 08:54:47 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bGDzK-0007JT-VU; Fri, 24 Jun 2016 09:24:47 +1000 Date: Fri, 24 Jun 2016 09:24:46 +1000 From: Dave Chinner <david@fromorbit.com> To: Christoph Hellwig <hch@lst.de> Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-ID: <20160623232446.GA12670@dastard> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466609236-23801-1-git-send-email-hch@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466724295 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1311 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30706 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 22, 2016 at 05:27:08PM +0200, Christoph Hellwig wrote: > The last patch is what started the series: XFS currently uses the > direct I/O locking strategy for DAX because DAX was overloaded onto > the direct I/O path. For XFS this means that we only take a shared > inode lock instead of the normal exclusive one for writes IFF they > are properly aligned. While this is fine for O_DIRECT which requires > explicit opt-in from the application it's not fine for DAX where we'll > suddenly lose expected and required synchronization of the file system > happens to use DAX undeneath. Except we did that *intentionally* - by definition there is no cache to bypass with DAX and so all IO is "direct". That, combined with the fact that all Linux filesystems except XFS break the POSIX exclusive writer rule you are quoting to begin with, it seemed pointless to enforce it for DAX.... So, before taking any patches to change that behaviour in XFS, a wider discussion about the policy needs to be had. I don't think we should care about POSIX here - if you have an application that needs this serialisation, turn off DAX. That's why I made it a per-inode inheritable flag and why the mount option will go away over time. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Jun 23 19:40:31 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6FDEF7CA0 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 19:40:31 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id B7DDFAC005 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 17:40:27 -0700 (PDT) X-ASG-Debug-ID: 1466728824-04cb6c063e123960001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id jpo717iup26hhwxu for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 17:40:24 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AXFwBXgGxXEJgMLHldgz6BU4J2g3mecQEBAQEBB4w9hgaECoYSAgIBAQKBMU0BAQEBAQEHAQEBAQEBAQE+QIRNAQEEOhwjEAgDGAklDwUlAwcaE4gvx1EBAQEBBgIBJB6FQoUVgTmGM4IvBZh/jieBXY1Qj36CaYFtKjKKAAEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 24 Jun 2016 10:10:24 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bGFAU-0007Qm-Qp; Fri, 24 Jun 2016 10:40:22 +1000 Date: Fri, 24 Jun 2016 10:40:22 +1000 From: Dave Chinner <david@fromorbit.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH 008/145] libxfs: add more list operations Message-ID: <20160624004022.GB12670@dastard> X-ASG-Orig-Subj: Re: [PATCH 008/145] libxfs: add more list operations References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> <146612709549.16048.6522744362673808871.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612709549.16048.6522744362673808871.stgit@birch.djwong.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466728824 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 588 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30707 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 16, 2016 at 06:31:35PM -0700, Darrick J. Wong wrote: > Add some list operations that the deferred rmap code requires. > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> This has all come from the linux kernel, right? Can you tell me which files it has come from so I can add it to the commit message? Maybe it would be better to keep the list sorting code in it's own file (e.g. libxfs/list_sort.c) just to keep a bit of separation between the xfs code and code that is copied in from outside? Cheers, Dave. -- Dave Chinner david@fromorbit.com From darrick.wong@oracle.com Thu Jun 23 19:46:57 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E420E7CA0 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 19:46:56 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 77F6DAC003 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 17:46:56 -0700 (PDT) X-ASG-Debug-ID: 1466729207-04bdf074b630ab0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id qLBl8N4HCthLuuA5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 17:46:48 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5O0kg55018741 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Jun 2016 00:46:43 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5O0kgH2002520 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 24 Jun 2016 00:46:42 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5O0kfOq027936; Fri, 24 Jun 2016 00:46:41 GMT Received: from localhost (/173.240.251.56) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 23 Jun 2016 17:46:41 -0700 Date: Thu, 23 Jun 2016 17:46:38 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Dave Chinner <david@fromorbit.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH 008/145] libxfs: add more list operations Message-ID: <20160624004638.GA18415@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 008/145] libxfs: add more list operations References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> <146612709549.16048.6522744362673808871.stgit@birch.djwong.org> <20160624004022.GB12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160624004022.GB12670@dastard> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466729208 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1100 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30708 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Fri, Jun 24, 2016 at 10:40:22AM +1000, Dave Chinner wrote: > On Thu, Jun 16, 2016 at 06:31:35PM -0700, Darrick J. Wong wrote: > > Add some list operations that the deferred rmap code requires. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > This has all come from the linux kernel, right? Yes. > Can you tell me > which files it has come from so I can add it to the commit message? lib/list_sort.c for all the list_sort stuff, include/linux/list.h for the rest of the list_* stuff, include/linux/kernel.h for container_of. > Maybe it would be better to keep the list sorting code in it's own > file (e.g. libxfs/list_sort.c) just to keep a bit of separation > between the xfs code and code that is copied in from outside? I'd wondered if it made more sense to do that, but (sort of arbitrarily decided not to add more files). --D > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From dan.j.williams@intel.com Thu Jun 23 20:14:54 2016 Return-Path: <dan.j.williams@intel.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8B84B7CA0 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 20:14:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4B1CB304039 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 18:14:54 -0700 (PDT) X-ASG-Debug-ID: 1466730888-04cbb02738146ba0001-NocioJ Received: from mail-oi0-f50.google.com (mail-oi0-f50.google.com [209.85.218.50]) by cuda.sgi.com with ESMTP id jemKORhGBXTGC51t (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 18:14:48 -0700 (PDT) X-Barracuda-Envelope-From: dan.j.williams@intel.com X-Barracuda-Effective-Source-IP: mail-oi0-f50.google.com[209.85.218.50] X-Barracuda-Apparent-Source-IP: 209.85.218.50 Received: by mail-oi0-f50.google.com with SMTP id r2so95902884oih.2 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 18:14:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=27uAdUarQkLHWAp5DpGQyGPV4FiRtuJj0kt2eFeL8Pc=; b=GZFnFJ078iYHoZFw77scvTrY3Y6I9p+LKHULs8lZOgfJhMiQf8iPsUmXkcW5YbZ+dG ME7c2ECwv+GaO5x3S70G3eQsEgaEn6TQNvsIlg9ebs+R9nWzB5aaZUJGwm+OJXcS341O fktUbU9wUbv6UwJR8Vcpr5PUaDRDnR14dLfF+Tw8Ti0ghtd7+mjuQnoQYR9+G+cybLU1 lAoQ/odM0rif+v14V+05qFUwFtOb0WXZhjaaTDTLrREi+bHgWBcmGWMvyZ89d7Cr6Fv6 OytyVB/Y9+shgaU0sZ+c2hQdEjcG2kMoSeFCa0rut1e1id97bZgzhFTXiZhKuyduwz95 hWLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=27uAdUarQkLHWAp5DpGQyGPV4FiRtuJj0kt2eFeL8Pc=; b=TiRVs5K9m9YonKPiRDsbOYt1KAkwYc87KI/2H35plaHe7OUjWSiZR8YT1KkU+1OfSS z4jxdysDt6bmokrB2iYGkGpZEgsPCCDlBMdFmUvo4uIfoaoA1IFmtB/BR2Miv4EbDARV TTzLE3LmM4kKd6jIoBBLc2ZfxWuuu8w+QlcdtQ0TyZW7O97qDtETp8RLX//C5RyznUtr MMiT1cboE/O5akosT3PiHtfc3J2YQmEDXn8lc8BCkZxxac5kmzxgblJMay4IV/uhuEsr RYF5AEfSbJWq3RW5GJSZJuLG8Mms77hSlgpmQMChP0Tb7qCuO3Xd+qdbwo7W6kTXElM7 2cJw== X-Gm-Message-State: ALyK8tLwr7uGjvFWEb7xbXAXU+SG3W+aEPx0D2WLw5UwhvBf5Tfhle3ZcLsigeU7Usm4AdlXbbsuveNeQrwcQa7N X-Received: by 10.157.16.93 with SMTP id o29mr1068228oto.155.1466730887948; Thu, 23 Jun 2016 18:14:47 -0700 (PDT) MIME-Version: 1.0 Received: by 10.157.62.131 with HTTP; Thu, 23 Jun 2016 18:14:47 -0700 (PDT) In-Reply-To: <20160623232446.GA12670@dastard> References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> From: Dan Williams <dan.j.williams@intel.com> Date: Thu, 23 Jun 2016 18:14:47 -0700 Message-ID: <CAPcyv4iWVyJ3vb+_dtehGRxT9WXwAxNXoDMNeNtxO+=njHNAhg@mail.gmail.com> Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking To: Dave Chinner <david@fromorbit.com> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Cc: Christoph Hellwig <hch@lst.de>, linux-fsdevel <linux-fsdevel@vger.kernel.org>, linux-nvdimm <linux-nvdimm@ml01.01.org>, XFS Developers <xfs@oss.sgi.com> Content-Type: text/plain; charset=UTF-8 X-Barracuda-Connect: mail-oi0-f50.google.com[209.85.218.50] X-Barracuda-Start-Time: 1466730888 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1553 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30708 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On Thu, Jun 23, 2016 at 4:24 PM, Dave Chinner <david@fromorbit.com> wrote: > On Wed, Jun 22, 2016 at 05:27:08PM +0200, Christoph Hellwig wrote: >> The last patch is what started the series: XFS currently uses the >> direct I/O locking strategy for DAX because DAX was overloaded onto >> the direct I/O path. For XFS this means that we only take a shared >> inode lock instead of the normal exclusive one for writes IFF they >> are properly aligned. While this is fine for O_DIRECT which requires >> explicit opt-in from the application it's not fine for DAX where we'll >> suddenly lose expected and required synchronization of the file system >> happens to use DAX undeneath. > > Except we did that *intentionally* - by definition there is no > cache to bypass with DAX and so all IO is "direct". That, combined > with the fact that all Linux filesystems except XFS break the POSIX > exclusive writer rule you are quoting to begin with, it seemed > pointless to enforce it for DAX.... If we're going to be strict about POSIX fsync() semantics we should be strict about this exclusive write semantic. In other words why is it ok to loosen one and not the other, if application compatibility is the concern? > > So, before taking any patches to change that behaviour in XFS, a > wider discussion about the policy needs to be had. I don't think > we should care about POSIX here - if you have an application that > needs this serialisation, turn off DAX. s/needs this serialisation/needs the kernel to flush cpu cache/ From darrick.wong@oracle.com Thu Jun 23 20:41:08 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A02F67CA0 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 20:41:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 70002304051 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 18:41:08 -0700 (PDT) X-ASG-Debug-ID: 1466732466-04cb6c063e125310001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id J9wNLmdvwCJxazib (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 18:41:06 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5O1f0uo027392 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 24 Jun 2016 01:41:00 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5O1exhb025095 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 24 Jun 2016 01:41:00 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5O1euCu023204; Fri, 24 Jun 2016 01:40:57 GMT Received: from localhost (/173.240.251.56) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 23 Jun 2016 18:40:55 -0700 Date: Thu, 23 Jun 2016 18:40:53 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Vishal Verma <vishal.l.verma@intel.com> Cc: linux-nvdimm@ml01.01.org, xfs@oss.sgi.com, Dave Chinner <david@fromorbit.com>, Jan Kara <jack@suse.cz> Subject: Re: [RFC PATCH 0/2] Initial support for badblock checking in xfs Message-ID: <20160624014053.GB18415@birch.djwong.org> X-ASG-Orig-Subj: Re: [RFC PATCH 0/2] Initial support for badblock checking in xfs References: <1466125419-17736-1-git-send-email-vishal.l.verma@intel.com> <20160620184812.GA21878@omniknight.lm.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620184812.GA21878@omniknight.lm.intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466732466 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4627 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30708 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Mon, Jun 20, 2016 at 12:48:27PM -0600, Vishal Verma wrote: > On 06/16, Vishal Verma wrote: > > These are early/RFC patches to add badblock support in xfs. > > > > Patch 1 should be relatively straightforward - it adds a notifier chain > > to badblocks that filesystems can register with. > > > > Patch 2 is the beginnings of xfs support. So far, I have the notifier > > registration and building the initial badblock list happening in > > xfs_mountfs. The next steps (and I may need some help with this as I'm > > no (x)fs developer :)) are to add this badblocks info to the reverse > > mapping tree, and then to check for it before accessing the media. > > > > Right now, this just prints the sector numbers/counts/{added, removed} > > to the kernel log, for both the initial list, and subsequent notifier > > hits. > > > > While I've tested this with a fake pmem device using libnvdimm's > > nfit_test framework, it should also work using badblock injection with > > any block device: > > > > # mkfs.xfs -f /dev/<device> > > # echo 122 1 > /sys/block/<device>/badblocks > > # echo 124 1 > /sys/block/<device>/badblocks > > # mount -t xfs /dev/<device> /mnt > > ... in log: > > [ +8.803776] XFS (pmem7): Mounting V4 Filesystem > > [ +0.009633] XFS (pmem7): Ending clean mount > > [ +0.001655] XFS (pmem7): got badblocks: sector 122, count 1 > > [ +0.002018] XFS (pmem7): got badblocks: sector 124, count 1 > > > > # echo 132 5 | > /sys/block/<device>/badblocks > > [Jun16 18:56] XFS (pmem7): xfs badblock added sector 132 (count 5) > > > > This is all based on Darrik's rmap work at: > > https://github.com/djwong/linux/tree/rmap-reflink-devel > > > > Since this is based on a v4.5-rc kernel, it lacks pmem support for > > clearing badblocks on zeroing/writing, so those parts can't easily > > be tested yet. The clearing work is in 4.7-rs kernels, and once we > > rebase to that, that should also be available. > > Just fyi, These patches should also cleanly apply to Darrick's for-next > rebase: > https://github.com/djwong/linux/tree/djwong-devel > > With this, I can now test badblock clearing also: > > $ cat /sys/block/pmem7/badblocks > 122 1 > 124 1 > 126 1 > 128 1 > > $ sudo dd if=/dev/zero of=/dev/pmem7 bs=512 count=8 seek=120 > oflag=direct > 8+0 records in > 8+0 records out > 4096 bytes (4.1 kB) copied, 0.0206735 s, 198 kB/s > > [ +9.510106] nd_pmem namespace7.0: pmem_clear_poison: 78 clear 1 sector > [ +0.001827] XFS (pmem7): xfs badblock cleared sector 120 (count 1) > > [ +0.002772] nd_pmem namespace7.0: pmem_clear_poison: 7a clear 1 sector > [ +0.002527] XFS (pmem7): xfs badblock cleared sector 122 (count 1) > > [ +0.003004] nd_pmem namespace7.0: pmem_clear_poison: 7c clear 1 sector > [ +0.002215] XFS (pmem7): xfs badblock cleared sector 124 (count 1) > > [ +0.003063] nd_pmem namespace7.0: pmem_clear_poison: 7e clear 1 sector > [ +0.002307] XFS (pmem7): xfs badblock cleared sector 126 (count 1) I guess the next step looks something like this? static int xfs_whine_about_corruption( struct getfsmapx *fmv, void *priv) { struct xfs_mount *mp = priv; if (fmv->fmv_owner < 0) { xfs_err(mp, "fs metadata corrupt, bye bye!"); /* XXX: maybe shut down now? */ return 0; } xfs_err(mp, "inode %llu is corrupt at offset %llu length %u", fmv->fmv_owner, fmv->fmv_offset, fmv->fmv_length); return 0; } int xfs_whine_about_badblocks( struct xfs_mount *mp, sector_t low, sector_t high) { struct getfsmapx fmv[2]; struct getfsmapx *l, *h; int error; memset(l, 0, sizeof(*l)); memset(h, 0xFF, sizeof(*h)); l = fmv; h = fmv + 1; l->fmv_block = low; h->fmv_block = high; l->fmv_count = 2; return xfs_getfsmap(mp, fmv, xfs_whine_about_corruption, mp); } static int xfs_notifier_call(...) { ...all the stuff that's already there... xfs_whine_about_badblocks(mp, bb_data->sector, bb_data->sector + bb_data->count - 1); } (Yeah, you need rmap for this to do anything useful.) --D > > > > > > > > Vishal Verma (2): > > block, badblocks: add a notifier for badblocks > > xfs: initial/partial support for badblocks > > > > block/badblocks.c | 79 +++++++++++++++++++++++++++++++++-- > > fs/xfs/xfs_linux.h | 1 + > > fs/xfs/xfs_mount.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++ > > fs/xfs/xfs_mount.h | 1 + > > include/linux/badblocks.h | 19 +++++++++ > > 5 files changed, 201 insertions(+), 3 deletions(-) > > > > -- > > 2.5.5 > > From david@fromorbit.com Thu Jun 23 20:50:26 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 126D27CA0 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 20:50:26 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D86798F8033 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 18:50:22 -0700 (PDT) X-ASG-Debug-ID: 1466733019-04cbb02736148920001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id rIKKADGAEi01XPYH for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 18:50:20 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AYFwDrkGxXEJgMLHldgz6BU4J2g3mecQEBAQEBB4w9hgaECoYSAgIBAQKBM00BAQEBAQEHAQEBAQEBAQE+QIRMAQEBAwE6HCMQCAMYCSUPBSUDBxoTiCgHxz0BAQEBBgEBAQEjHoVChRWBOYYzgi8FmH+OJ4FzjTqGU4krgmmBbSoyigABAQE Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail06.adl6.internode.on.net with ESMTP; 24 Jun 2016 11:20:19 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bGGGA-0007X1-7i; Fri, 24 Jun 2016 11:50:18 +1000 Date: Fri, 24 Jun 2016 11:50:18 +1000 From: Dave Chinner <david@fromorbit.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH 008/145] libxfs: add more list operations Message-ID: <20160624015018.GC12670@dastard> X-ASG-Orig-Subj: Re: [PATCH 008/145] libxfs: add more list operations References: <146612704434.16048.12932915166928562654.stgit@birch.djwong.org> <146612709549.16048.6522744362673808871.stgit@birch.djwong.org> <20160624004022.GB12670@dastard> <20160624004638.GA18415@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160624004638.GA18415@birch.djwong.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466733019 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1353 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30709 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 23, 2016 at 05:46:38PM -0700, Darrick J. Wong wrote: > On Fri, Jun 24, 2016 at 10:40:22AM +1000, Dave Chinner wrote: > > On Thu, Jun 16, 2016 at 06:31:35PM -0700, Darrick J. Wong wrote: > > > Add some list operations that the deferred rmap code requires. > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > > This has all come from the linux kernel, right? > > Yes. > > > Can you tell me > > which files it has come from so I can add it to the commit message? > > lib/list_sort.c for all the list_sort stuff, > include/linux/list.h for the rest of the list_* stuff, > include/linux/kernel.h for container_of. I thought we already had container_of. Ah, only inside __KERNEL__ code fragments.... > > Maybe it would be better to keep the list sorting code in it's own > > file (e.g. libxfs/list_sort.c) just to keep a bit of separation > > between the xfs code and code that is copied in from outside? > > I'd wondered if it made more sense to do that, but (sort of arbitrarily > decided not to add more files). keeping it in a spearate file makes it easier to update in future (e.g. forklift replacement of radix tree code). maybe we don't need to do this here, but I don't mind adding new files for stuff like this... Cheers, Dave. -- Dave Chinner david@fromorbit.com From Sales.7@plasticbag.com Thu Jun 23 23:55:34 2016 Return-Path: <Sales.7@plasticbag.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: **** X-Spam-Status: No, score=4.2 required=5.0 tests=DEAR_SOMETHING,HTML_MESSAGE, MIME_HTML_ONLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0D1667CA0 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 23:55:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id D693B304039 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 21:55:30 -0700 (PDT) X-ASG-Debug-ID: 1466744125-04cb6c063c12a7b0001-NocioJ Received: from bromine.com ([39.69.182.88]) by cuda.sgi.com with SMTP id Xz3cPyS2BQAH7j6E for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 21:55:25 -0700 (PDT) X-Barracuda-Envelope-From: Sales.7@plasticbag.com X-Barracuda-Effective-Source-IP: UNKNOWN[39.69.182.88] X-Barracuda-Apparent-Source-IP: 39.69.182.88 Received: from PC201602130941[127.0.0.1] by PC201602130941[127.0.0.1] (SMTPD32); Fri, 24 Jun 2016 12:55:22 +0800 From: "sander.suen@bestplasticbag.com" <sander.suen@bestplasticbag.com> Subject: =?UTF-8?B?UmXvvJpSZTpIRFBF?= bags on roll To: xfs@oss.sgi.com X-ASG-Orig-Subj: =?UTF-8?B?UmXvvJpSZTpIRFBF?= bags on roll MIME-Version: 1.0 Sender: Sales.7@plasticbag.com Reply-To: sander.suen@bestplasticbag.com Date: Fri, 24 Jun 2016 12:55:22 +0800 X-Mailer: Foxmail 6, 13, 102, 15 [cn] Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: base64 Content-Disposition: inline X-Barracuda-Connect: UNKNOWN[39.69.182.88] X-Barracuda-Start-Time: 1466744125 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 19302 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.94 X-Barracuda-Spam-Status: No, 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T1VUTElORS1XSURUSDogMHB4OyBQQURESU5HLVJJR0hUOiAwcHg7IEZPTlQtRkFNSUxZOiAmIzM5 O3RpbWVzIG5ldyByb21hbiYjMzk7OyBDT0xPUjogcmdiKDAsMzIsOTYpOyBGT05ULVNJWkU6IDE2 cHg7IEJPUkRFUi1UT1A6IDBweDsgQk9SREVSLVJJR0hUOiAwcHg7IFBBRERJTkctVE9QOiAwcHgi Pk1TTjpzYW5kZXIuc3VlbkA8QSANCmhyZWY9Imh0dHA6Ly9ob3RtYWlsLmNvbS8iPmhvdG1haWwu Y29tPC9BPjwvU1BBTj48U1BBTiANCnN0eWxlPSJCT1JERVItQk9UVE9NOiAwcHg7IEJPUkRFUi1M RUZUOiAwcHg7IFBBRERJTkctQk9UVE9NOiAwcHg7IE1BUkdJTjogMHB4OyBPVVRMSU5FLVNUWUxF OiBub25lOyBPVVRMSU5FLUNPTE9SOiBpbnZlcnQ7IFBBRERJTkctTEVGVDogMHB4OyBPVVRMSU5F LVdJRFRIOiAwcHg7IFBBRERJTkctUklHSFQ6IDBweDsgRk9OVC1GQU1JTFk6IOWui+S9kzsgRk9O VC1TSVpFOiAxNnB4OyBCT1JERVItVE9QOiAwcHg7IEJPUkRFUi1SSUdIVDogMHB4OyBQQURESU5H LVRPUDogMHB4Ij48L1NQQU4+PC9ESVY+DQo8UD48QlIgY2xhc3M9QXBwbGUtaW50ZXJjaGFuZ2Ut bmV3bGluZT4mbmJzcDs8L1A+PC9CT0RZPjwvSFRNTD4NCg0K From houtao1@huawei.com Fri Jun 24 00:45:43 2016 Return-Path: <houtao1@huawei.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 99A327CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:45:43 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id F3B5EAC006 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 22:45:39 -0700 (PDT) X-ASG-Debug-ID: 1466747134-04bdf074b53c4a0001-NocioJ Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [58.251.152.64]) by cuda.sgi.com with ESMTP id jkH8lZgn3kkeNfLs (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 22:45:36 -0700 (PDT) X-Barracuda-Envelope-From: houtao1@huawei.com X-Barracuda-Effective-Source-IP: szxga01-in.huawei.com[58.251.152.64] X-Barracuda-Apparent-Source-IP: 58.251.152.64 Received: from 172.24.1.60 (EHLO szxeml426-hub.china.huawei.com) ([172.24.1.60]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DMR44898; Fri, 24 Jun 2016 13:45:32 +0800 (CST) Received: from huawei.com (10.175.124.28) by szxeml426-hub.china.huawei.com (10.82.67.181) with Microsoft SMTP Server id 14.3.235.1; Fri, 24 Jun 2016 13:45:23 +0800 From: Hou Tao <houtao1@huawei.com> To: <xfs@oss.sgi.com> CC: <fangwei1@huawei.com>, <miaoxie@huawei.com> Subject: [PATCH] xfs: simplify the calculation of tpp at xfs_bmdr_to_bmbt Date: Fri, 24 Jun 2016 13:39:20 +0800 X-ASG-Orig-Subj: [PATCH] xfs: simplify the calculation of tpp at xfs_bmdr_to_bmbt Message-ID: <1466746760-155962-1-git-send-email-houtao1@huawei.com> X-Mailer: git-send-email 2.5.5 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.124.28] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.576CC8FD.005A,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: e73e35560a214329a83deff3932eacca X-Barracuda-Connect: szxga01-in.huawei.com[58.251.152.64] X-Barracuda-Start-Time: 1466747136 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2328 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30713 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- remove the usage of rblocklen at xfs_bmdr_to_bmbt, and use be16_to_cpu(dblock->bb_numrecs) instead. It also reduces an extra calculation. Signed-off-by: Hou Tao <houtao1@huawei.com> --- fs/xfs/libxfs/xfs_bmap_btree.c | 5 ++--- fs/xfs/libxfs/xfs_bmap_btree.h | 2 +- fs/xfs/libxfs/xfs_inode_fork.c | 2 +- 3 files changed, 4 insertions(+), 5 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 6282f6e..452cad9 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -59,8 +59,7 @@ xfs_bmdr_to_bmbt( struct xfs_inode *ip, xfs_bmdr_block_t *dblock, int dblocklen, - struct xfs_btree_block *rblock, - int rblocklen) + struct xfs_btree_block *rblock) { struct xfs_mount *mp = ip->i_mount; int dmxr; @@ -85,8 +84,8 @@ xfs_bmdr_to_bmbt( fkp = XFS_BMDR_KEY_ADDR(dblock, 1); tkp = XFS_BMBT_KEY_ADDR(mp, rblock, 1); fpp = XFS_BMDR_PTR_ADDR(dblock, 1, dmxr); - tpp = XFS_BMAP_BROOT_PTR_ADDR(mp, rblock, 1, rblocklen); dmxr = be16_to_cpu(dblock->bb_numrecs); + tpp = XFS_BMBT_PTR_ADDR(mp, rblock, 1, dmxr); memcpy(tkp, fkp, sizeof(*fkp) * dmxr); memcpy(tpp, fpp, sizeof(*fpp) * dmxr); } diff --git a/fs/xfs/libxfs/xfs_bmap_btree.h b/fs/xfs/libxfs/xfs_bmap_btree.h index 819a8a4..b1d30f7 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.h +++ b/fs/xfs/libxfs/xfs_bmap_btree.h @@ -105,7 +105,7 @@ struct xfs_trans; * Prototypes for xfs_bmap.c to call. */ extern void xfs_bmdr_to_bmbt(struct xfs_inode *, xfs_bmdr_block_t *, int, - struct xfs_btree_block *, int); + struct xfs_btree_block *); extern void xfs_bmbt_get_all(xfs_bmbt_rec_host_t *r, xfs_bmbt_irec_t *s); extern xfs_filblks_t xfs_bmbt_get_blockcount(xfs_bmbt_rec_host_t *r); extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_host_t *r); diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index bbcc8c7..23967aa 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -433,7 +433,7 @@ xfs_iformat_btree( * to the in-memory structure. */ xfs_bmdr_to_bmbt(ip, dfp, XFS_DFORK_SIZE(dip, ip->i_mount, whichfork), - ifp->if_broot, size); + ifp->if_broot); ifp->if_flags &= ~XFS_IFEXTENTS; ifp->if_flags |= XFS_IFBROOT; -- 2.5.5 From david@fromorbit.com Fri Jun 24 01:38:11 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4ECCD7CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 01:38:11 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id D5208AC005 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 23:38:10 -0700 (PDT) X-ASG-Debug-ID: 1466750287-04bdf074b53dc30001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id qNsviBxCydMvH7Sy for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 23:38:07 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2BnFAAy1GxXEJgMLHldgz6BU4J2g3mebgaMPYNhgiWECoYSBAICgTFNAQEBAQEBBwEBAQEBAQEBPkCETQEBBCcTHCMQCAMYCSUPBSUDBxoTiC/HEgEBAQcCASQehUKFFYdsgi8BBJkAjimBXY1QSI82glwcgV4qMooAAQEB Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 24 Jun 2016 16:08:06 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bGKkf-0007zo-KY; Fri, 24 Jun 2016 16:38:05 +1000 Date: Fri, 24 Jun 2016 16:38:05 +1000 From: Dave Chinner <david@fromorbit.com> To: Hou Tao <houtao1@huawei.com> Cc: xfs@oss.sgi.com, miaoxie@huawei.com, fangwei1@huawei.com Subject: Re: [PATCH] xfs: simplify the calculation of tpp at xfs_bmdr_to_bmbt Message-ID: <20160624063805.GD12670@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: simplify the calculation of tpp at xfs_bmdr_to_bmbt References: <1466746760-155962-1-git-send-email-houtao1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466746760-155962-1-git-send-email-houtao1@huawei.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466750287 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 605 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30714 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 24, 2016 at 01:39:20PM +0800, Hou Tao wrote: > remove the usage of rblocklen at xfs_bmdr_to_bmbt, and > use be16_to_cpu(dblock->bb_numrecs) instead. It also > reduces an extra calculation. What problem does this fix, why does it need to be made and how did you test it? We have to be really careful about changing code that interacts with the on-disk format, as any bugs we introduced will result in filesystem corruption. Hence you need to explain to the reviewers why the change needs to be made to the reviewers... Cheers, Dave. -- Dave Chinner david@fromorbit.com From grace16@offer.com Fri Jun 24 01:42:23 2016 Return-Path: <grace16@offer.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=5.0 tests=HTML_MESSAGE,MIME_HTML_ONLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0D1A37CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 01:42:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C1DF9304039 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 23:42:19 -0700 (PDT) X-ASG-Debug-ID: 1466750537-04cb6c063e12d1c0001-NocioJ Received: from offer.com ([219.133.162.97]) by cuda.sgi.com with SMTP id f4XLAFmuklQdBnO4 for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 23:42:17 -0700 (PDT) X-Barracuda-Envelope-From: grace16@offer.com 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(szxga01-in.huawei.com [58.251.152.64]) by cuda.sgi.com with ESMTP id 2ynGe7xmQjgwihwd (version=TLSv1 cipher=RC4-SHA bits=128 verify=NO) for <xfs@oss.sgi.com>; Thu, 23 Jun 2016 23:43:58 -0700 (PDT) X-Barracuda-Envelope-From: houtao1@huawei.com X-Barracuda-Effective-Source-IP: szxga01-in.huawei.com[58.251.152.64] X-Barracuda-Apparent-Source-IP: 58.251.152.64 Received: from 172.24.1.36 (EHLO szxeml428-hub.china.huawei.com) ([172.24.1.36]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DMR51499; Fri, 24 Jun 2016 14:43:46 +0800 (CST) Received: from [127.0.0.1] (10.177.31.14) by szxeml428-hub.china.huawei.com (10.82.67.183) with Microsoft SMTP Server id 14.3.235.1; Fri, 24 Jun 2016 14:43:44 +0800 Subject: Re: [PATCH] xfs: remove the magic numbers in xfs_btree_block-related len macros To: Carlos Maiolino <cmaiolino@redhat.com> X-ASG-Orig-Subj: Re: [PATCH] xfs: remove the magic numbers in xfs_btree_block-related len macros References: <1466651420-126472-1-git-send-email-houtao1@huawei.com> <20160623102137.GH27894@redhat.com> CC: <xfs@oss.sgi.com> From: Hou Tao <houtao1@huawei.com> Message-ID: <576CD699.6040404@huawei.com> Date: Fri, 24 Jun 2016 14:43:37 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <20160623102137.GH27894@redhat.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.31.14] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090201.576CD6A3.00AB,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 81f8c73db655933db9205b8dc5ccb6c2 X-Barracuda-Connect: szxga01-in.huawei.com[58.251.152.64] X-Barracuda-Start-Time: 1466750637 X-Barracuda-Encrypted: RC4-SHA X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4570 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30713 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 2016/6/23 18:21, Carlos Maiolino wrote: > On Thu, Jun 23, 2016 at 11:10:20AM +0800, Hou Tao wrote: >> replace the magic numbers by offsetof(...) and sizeof(...), and add two >> extra checks on xfs_check_ondisk_structs() >> >> Signed-off-by: Hou Tao <houtao1@huawei.com> >> --- >> fs/xfs/libxfs/xfs_format.h | 66 ++++++++++++++++++++++++++++------------------ >> fs/xfs/xfs_ondisk.h | 2 ++ >> 2 files changed, 43 insertions(+), 25 deletions(-) >> > > Particularly I liked the idea of defining the short and long block structures > outside of xfs_btree_block and removing magic numbers is a good thing too. > > you can consider it > I had tried to do more than just move two structs out of struct xfs_btree_block, but the modification would be huge, so i just keep it simple. > Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> > Thanks for your review. >> diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h >> index dc97eb21..d3069be 100644 >> --- a/fs/xfs/libxfs/xfs_format.h >> +++ b/fs/xfs/libxfs/xfs_format.h >> @@ -1435,41 +1435,57 @@ typedef __be64 xfs_bmbt_ptr_t, xfs_bmdr_ptr_t; >> * with the crc feature bit, and all accesses to them must be conditional on >> * that flag. >> */ >> +/* short form block */ >> +struct xfs_btree_sblock_part { >> + __be32 bb_leftsib; >> + __be32 bb_rightsib; >> + >> + __be64 bb_blkno; >> + __be64 bb_lsn; >> + uuid_t bb_uuid; >> + __be32 bb_owner; >> + __le32 bb_crc; >> +}; >> + >> +/* long form block */ >> +struct xfs_btree_lblock_part { >> + __be64 bb_leftsib; >> + __be64 bb_rightsib; >> + >> + __be64 bb_blkno; >> + __be64 bb_lsn; >> + uuid_t bb_uuid; >> + __be64 bb_owner; >> + __le32 bb_crc; >> + __be32 bb_pad; /* padding for alignment */ >> +}; >> + >> struct xfs_btree_block { >> __be32 bb_magic; /* magic number for block type */ >> __be16 bb_level; /* 0 is a leaf */ >> __be16 bb_numrecs; /* current # of data records */ >> union { >> - struct { >> - __be32 bb_leftsib; >> - __be32 bb_rightsib; >> - >> - __be64 bb_blkno; >> - __be64 bb_lsn; >> - uuid_t bb_uuid; >> - __be32 bb_owner; >> - __le32 bb_crc; >> - } s; /* short form pointers */ >> - struct { >> - __be64 bb_leftsib; >> - __be64 bb_rightsib; >> - >> - __be64 bb_blkno; >> - __be64 bb_lsn; >> - uuid_t bb_uuid; >> - __be64 bb_owner; >> - __le32 bb_crc; >> - __be32 bb_pad; /* padding for alignment */ >> - } l; /* long form pointers */ >> + struct xfs_btree_sblock_part s; >> + struct xfs_btree_lblock_part l; >> } bb_u; /* rest */ >> }; >> >> -#define XFS_BTREE_SBLOCK_LEN 16 /* size of a short form block */ >> -#define XFS_BTREE_LBLOCK_LEN 24 /* size of a long form block */ >> +/* size of a short form block */ >> +#define XFS_BTREE_SBLOCK_LEN \ >> + (offsetof(struct xfs_btree_block, bb_u) + \ >> + offsetof(struct xfs_btree_sblock_part, bb_blkno)) >> +/* size of a long form block */ >> +#define XFS_BTREE_LBLOCK_LEN \ >> + (offsetof(struct xfs_btree_block, bb_u) + \ >> + offsetof(struct xfs_btree_lblock_part, bb_blkno)) >> >> /* sizes of CRC enabled btree blocks */ >> -#define XFS_BTREE_SBLOCK_CRC_LEN (XFS_BTREE_SBLOCK_LEN + 40) >> -#define XFS_BTREE_LBLOCK_CRC_LEN (XFS_BTREE_LBLOCK_LEN + 48) >> +#define XFS_BTREE_SBLOCK_CRC_LEN \ >> + (offsetof(struct xfs_btree_block, bb_u) + \ >> + sizeof(struct xfs_btree_sblock_part)) >> +#define XFS_BTREE_LBLOCK_CRC_LEN \ >> + (offsetof(struct xfs_btree_block, bb_u) + \ >> + sizeof(struct xfs_btree_lblock_part)) >> >> #define XFS_BTREE_SBLOCK_CRC_OFF \ >> offsetof(struct xfs_btree_block, bb_u.s.bb_crc) >> diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h >> index 184c44e..6f06c48 100644 >> --- a/fs/xfs/xfs_ondisk.h >> +++ b/fs/xfs/xfs_ondisk.h >> @@ -34,6 +34,8 @@ xfs_check_ondisk_structs(void) >> XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_key, 8); >> XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_rec, 16); >> XFS_CHECK_STRUCT_SIZE(struct xfs_bmdr_block, 4); >> + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_sblock_part, 48); >> + XFS_CHECK_STRUCT_SIZE(struct xfs_btree_lblock_part, 64); >> XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block, 72); >> XFS_CHECK_STRUCT_SIZE(struct xfs_dinode, 176); >> XFS_CHECK_STRUCT_SIZE(struct xfs_disk_dquot, 104); >> -- >> 2.5.5 >> >> _______________________________________________ >> xfs mailing list >> xfs@oss.sgi.com >> http://oss.sgi.com/mailman/listinfo/xfs > From houtao1@huawei.com Fri Jun 24 02:05:33 2016 Return-Path: <houtao1@huawei.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 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([172.24.1.136]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DMR54011; Fri, 24 Jun 2016 15:02:06 +0800 (CST) Received: from [127.0.0.1] (10.177.31.14) by szxeml426-hub.china.huawei.com (10.82.67.181) with Microsoft SMTP Server id 14.3.235.1; Fri, 24 Jun 2016 15:01:57 +0800 Subject: Re: [PATCH] xfs: simplify the calculation of tpp at xfs_bmdr_to_bmbt To: Dave Chinner <david@fromorbit.com> X-ASG-Orig-Subj: Re: [PATCH] xfs: simplify the calculation of tpp at xfs_bmdr_to_bmbt References: <1466746760-155962-1-git-send-email-houtao1@huawei.com> <20160624063805.GD12670@dastard> CC: <xfs@oss.sgi.com>, <miaoxie@huawei.com>, <fangwei1@huawei.com> From: Hou Tao <houtao1@huawei.com> Message-ID: <576CDAE4.2040202@huawei.com> Date: Fri, 24 Jun 2016 15:01:56 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <20160624063805.GD12670@dastard> Content-Type: text/plain; charset="windows-1252" 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BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 2016/6/24 14:38, Dave Chinner wrote: > On Fri, Jun 24, 2016 at 01:39:20PM +0800, Hou Tao wrote: >> remove the usage of rblocklen at xfs_bmdr_to_bmbt, and >> use be16_to_cpu(dblock->bb_numrecs) instead. It also >> reduces an extra calculation. > > What problem does this fix, why does it need to be made and > how did you test it? It fixes nothing, just for simplification of code understanding. And now I realize keeping the original code untouched is better, because using rblocklen to calculate the offset of xfs_bmbt_ptr_t is common among the btree code, so keeping it consistent. > We have to be really careful about changing code that interacts with > the on-disk format, as any bugs we introduced will result in > filesystem corruption. Hence you need to explain to the reviewers > why the change needs to be made to the reviewers... I will take care, Thanks. > > Cheers, > > Dave. > From david@fromorbit.com Fri Jun 24 02:14:02 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 9BF737CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 02:14:02 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 52D348F8035 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:14:02 -0700 (PDT) X-ASG-Debug-ID: 1466752438-04cbb0273515be60001-NocioJ Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id 2rNk6zCBf7G2I5O6 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:13:58 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Apparent-Source-IP: 150.101.137.131 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AnFQBl3GxXEJgMLHldgz6BU4J2g3mebgaMPYoQhhICAgEBAoExTQEBAQEBAQcBAQEBAQEBAT5AhE0BAQQ6HCMQCAMYCSUPBSUDBxoTiC/HDAEBAQEGAgEkHoVChRWELINAgi8FmQCOKY8tj36CXByBXioyiD2BQwEBAQ Received: from ppp121-44-12-152.lns20.syd4.internode.on.net (HELO dastard) ([121.44.12.152]) by ipmail07.adl2.internode.on.net with ESMTP; 24 Jun 2016 16:43:19 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bGLIk-00083w-HP; Fri, 24 Jun 2016 17:13:18 +1000 Date: Fri, 24 Jun 2016 17:13:18 +1000 From: Dave Chinner <david@fromorbit.com> To: Dan Williams <dan.j.williams@intel.com> Cc: Christoph Hellwig <hch@lst.de>, linux-fsdevel <linux-fsdevel@vger.kernel.org>, linux-nvdimm <linux-nvdimm@ml01.01.org>, XFS Developers <xfs@oss.sgi.com> Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-ID: <20160624071318.GE12670@dastard> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <CAPcyv4iWVyJ3vb+_dtehGRxT9WXwAxNXoDMNeNtxO+=njHNAhg@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <CAPcyv4iWVyJ3vb+_dtehGRxT9WXwAxNXoDMNeNtxO+=njHNAhg@mail.gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1466752438 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3523 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30714 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 23, 2016 at 06:14:47PM -0700, Dan Williams wrote: > On Thu, Jun 23, 2016 at 4:24 PM, Dave Chinner <david@fromorbit.com> wrote: > > On Wed, Jun 22, 2016 at 05:27:08PM +0200, Christoph Hellwig wrote: > >> The last patch is what started the series: XFS currently uses the > >> direct I/O locking strategy for DAX because DAX was overloaded onto > >> the direct I/O path. For XFS this means that we only take a shared > >> inode lock instead of the normal exclusive one for writes IFF they > >> are properly aligned. While this is fine for O_DIRECT which requires > >> explicit opt-in from the application it's not fine for DAX where we'll > >> suddenly lose expected and required synchronization of the file system > >> happens to use DAX undeneath. > > > > Except we did that *intentionally* - by definition there is no > > cache to bypass with DAX and so all IO is "direct". That, combined > > with the fact that all Linux filesystems except XFS break the POSIX > > exclusive writer rule you are quoting to begin with, it seemed > > pointless to enforce it for DAX.... > > If we're going to be strict about POSIX fsync() semantics we should be > strict about this exclusive write semantic. In other words why is it > ok to loosen one and not the other, if application compatibility is > the concern? This is a POSIX compliant fsync() implementation: int fsync(int fd) { return 0; } That's not what we require from Linux filesystems and storage subsystems. Our data integrity requirements are not actually defined by POSIX - we go way beyond what POSIX actually requires us to implement. If all we cared about is POSIX, then the above is how we'd implement fsync() simply because it's fast. Everyone implements fsync differently, so portable applications can't actually rely on the POSIX standard fsync() implementation to keep their data safe... IOWs, we don't give a shit about what POSIX says about fsync because, in practice, it's useless. Instead, we implement something that *works* and provides users with real data integrity guarantees. If you like the POSIX specs for data integrity, go use sync_file_range() - it doesn't guarantee data integrity, just like posix compliant fsync(). And yes, applications that use sync_file_range() are known to lose data when systems crash... The POSIX exclusive write requirement is a different case. No linux filesystem except XFS has ever met that requirement (in 20 something years), yet I don't see applications falling over with corrupt data from non-exclusive writes all the time, nor do I see application developers shouting at us to provide it. i.e. reality tells us this isn't a POSIX behaviour that applications rely on because everyone implements it differently. So, like fsync(), if everyone implements it differently, applications don't rely on posix smeantics to serialise access to overlapping ranges of a file. And if that's the case, then why even bother exclusive write locking in the filesystem when there is no need for serialisation of page cache contents? We don't do it because POSIX says so, because we already ignore what POSIX says about this topic for technical reasons. So why should we make DAX conform to POSIX exclusive writer behaviour when DAX is being specifically aimed at high performance, highly concurrent applications where exclusive writer behaviour will cause major performance issues? Cheers, Dave. -- Dave Chinner david@fromorbit.com From hch@lst.de Fri Jun 24 02:26:17 2016 Return-Path: <hch@lst.de> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EC45A7CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 02:26:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id B154D8F8033 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:26:17 -0700 (PDT) X-ASG-Debug-ID: 1466753173-04cb6c063c12e2d0001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id 8GBfFaW2Kb3CeZ41 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:26:15 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id E85F068C3E; Fri, 24 Jun 2016 09:26:12 +0200 (CEST) Date: Fri, 24 Jun 2016 09:26:12 +0200 From: Christoph Hellwig <hch@lst.de> To: Dave Chinner <david@fromorbit.com> Cc: Christoph Hellwig <hch@lst.de>, xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-ID: <20160624072612.GA22205@lst.de> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160623232446.GA12670@dastard> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1466753174 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1390 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30714 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 24, 2016 at 09:24:46AM +1000, Dave Chinner wrote: > Except we did that *intentionally* - by definition there is no > cache to bypass with DAX and so all IO is "direct". That, combined > with the fact that all Linux filesystems except XFS break the POSIX > exclusive writer rule you are quoting to begin with, it seemed > pointless to enforce it for DAX.... No file system breaks the exclusive writer rule - most filesystem don't make writers atomic vs readers. More importantly every other filesystem (well there only are ext2 and ext4..) exludes DAX writers against other DAX writers. > So, before taking any patches to change that behaviour in XFS, a > wider discussion about the policy needs to be had. I don't think > we should care about POSIX here - if you have an application that > needs this serialisation, turn off DAX. That's why I made it a > per-inode inheritable flag and why the mount option will go away > over time. Sorry, but this is simply broken - allowing apps to opt-in behavior (e.g. like we're using O_DIRECT) is always fine. Requriring filesystem-specific tuning that has affect outside the app to get existing documented behavior is not how to design APIs. Maybe we'll need to opt-in to use DAX for mmap, but giving the same existing behavior for read and write and avoiding a copy to the pagecache is an obvious win. From hch@lst.de Fri Jun 24 02:31:13 2016 Return-Path: <hch@lst.de> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id E89CA7CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 02:31:12 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id A871A8F8037 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:31:12 -0700 (PDT) X-ASG-Debug-ID: 1466753470-04cb6c063e12e460001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id 401sIY8mWBQaN2bQ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:31:10 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id 92B7468C3E; Fri, 24 Jun 2016 09:31:09 +0200 (CEST) Date: Fri, 24 Jun 2016 09:31:09 +0200 From: Christoph Hellwig <hch@lst.de> To: Dave Chinner <david@fromorbit.com> Cc: Dan Williams <dan.j.williams@intel.com>, Christoph Hellwig <hch@lst.de>, linux-fsdevel <linux-fsdevel@vger.kernel.org>, linux-nvdimm <linux-nvdimm@ml01.01.org>, XFS Developers <xfs@oss.sgi.com> Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-ID: <20160624073109.GB22205@lst.de> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <CAPcyv4iWVyJ3vb+_dtehGRxT9WXwAxNXoDMNeNtxO+=njHNAhg@mail.gmail.com> <20160624071318.GE12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160624071318.GE12670@dastard> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1466753470 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2720 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30714 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 24, 2016 at 05:13:18PM +1000, Dave Chinner wrote: > This is a POSIX compliant fsync() implementation: > > int fsync(int fd) > { > return 0; > } Depends on what you mean with "Posix". Modern Posix which includex XPG has the _POSIX_SYNCHRONIZED_IO option, which Linux implements. For that Posix says about fsync: [SIO] [Option Start] If _POSIX_SYNCHRONIZED_IO is defined, the fsync() function shall force all currently queued I/O operations associated with the file indicated by file descriptor fildes to the synchronized I/O completion state. All I/O operations shall be completed as defined for synchronized I/O file integrity completion. [Option End] Whereas synchronized I/O file integrity completion is defined as: 3.378 Synchronized I/O Data Integrity Completion For read, when the operation has been completed or diagnosed if unsuccessful. The read is complete only when an image of the data has been successfully transferred to the requesting process. If there were any pending write requests affecting the data to be read at the time that the synchronized read operation was requested, these write requests are successfully transferred prior to reading the data. For write, when the operation has been completed or diagnosed if unsuccessful. The write is complete only when the data specified in the write request is successfully transferred and all file system information required to retrieve the data is successfully transferred. File attributes that are not necessary for data retrieval (access time, modification time, status change time) need not be successfully transferred prior to returning to the calling process. 3.379 Synchronized I/O File Integrity Completion Identical to a synchronized I/O data integrity completion with the addition that all file attributes relative to the I/O operation (including access time, modification time, status change time) are successfully transferred prior to returning to the calling process. So in this case Posix very much requires data to be on a stable medium. > The POSIX exclusive write requirement is a different case. No linux > filesystem except XFS has ever met that requirement (in 20 something > years), yet I don't see applications falling over with corrupt data > from non-exclusive writes all the time, nor do I see application > developers shouting at us to provide it. i.e. reality tells us this > isn't a POSIX behaviour that applications rely on because everyone > implements it differently. Every file system exludes writes from other writes. From BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 24 02:52:57 2016 Return-Path: <BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 167827CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 02:52:57 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7FF7EAC002 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:52:53 -0700 (PDT) X-ASG-Debug-ID: 1466754771-04cb6c063f12eb30001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id IFMT1bNgbRYhrpiH (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:52:51 -0700 (PDT) X-Barracuda-Envelope-From: BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [91.114.64.3] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bGLv0-0002rC-Ez for xfs@oss.sgi.com; Fri, 24 Jun 2016 07:52:50 +0000 From: Christoph Hellwig <hch@lst.de> To: xfs@oss.sgi.com Subject: get rid of unaligned embedded structs in on-disk structures Date: Fri, 24 Jun 2016 09:52:44 +0200 X-ASG-Orig-Subj: get rid of unaligned embedded structs in on-disk structures Message-Id: <1466754767-10657-1-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 X-SRS-Rewrite: SMTP reverse-path rewritten from <hch@infradead.org> by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466754771 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 276 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30715 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Recent build bot reports show that besides ARM old ABI at least openrisc and cris also have problems with our unaligned structures in the on-disk format. This series gets rid of our structs that just wrap u8 arrays used for get_unaligned_be* and the __arch_pack magic. From BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 24 02:52:58 2016 Return-Path: <BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 760287CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 02:52:58 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 48FC48F8035 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:52:58 -0700 (PDT) X-ASG-Debug-ID: 1466754775-04cbb0273715ccd0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id KfMMb1Nda6snmyPL (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:52:55 -0700 (PDT) X-Barracuda-Envelope-From: BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [91.114.64.3] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bGLv4-0002rI-Af for xfs@oss.sgi.com; Fri, 24 Jun 2016 07:52:54 +0000 From: Christoph Hellwig <hch@lst.de> To: xfs@oss.sgi.com Subject: [PATCH 1/3] xfs: kill xfs_dir2_sf_off_t Date: Fri, 24 Jun 2016 09:52:45 +0200 X-ASG-Orig-Subj: [PATCH 1/3] xfs: kill xfs_dir2_sf_off_t Message-Id: <1466754767-10657-2-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466754767-10657-1-git-send-email-hch@lst.de> References: <1466754767-10657-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from <hch@infradead.org> by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466754775 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4376 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30715 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Just use an array of two unsigned chars directly to avoid problems with architectures that pad the size of structures. Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/xfs/libxfs/xfs_da_format.h | 14 ++++---------- fs/xfs/libxfs/xfs_dir2_sf.c | 13 ++++++------- fs/xfs/xfs_ondisk.h | 1 - 3 files changed, 10 insertions(+), 18 deletions(-) diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h index 8d4d8bc..a5f4d6e 100644 --- a/fs/xfs/libxfs/xfs_da_format.h +++ b/fs/xfs/libxfs/xfs_da_format.h @@ -192,12 +192,6 @@ typedef __uint16_t xfs_dir2_data_off_t; typedef uint xfs_dir2_data_aoff_t; /* argument form */ /* - * Normalized offset (in a data block) of the entry, really xfs_dir2_data_off_t. - * Only need 16 bits, this is the byte offset into the single block form. - */ -typedef struct { __uint8_t i[2]; } __arch_pack xfs_dir2_sf_off_t; - -/* * Offset in data space of a data entry. */ typedef __uint32_t xfs_dir2_dataptr_t; @@ -251,7 +245,7 @@ typedef struct xfs_dir2_sf_hdr { typedef struct xfs_dir2_sf_entry { __u8 namelen; /* actual name length */ - xfs_dir2_sf_off_t offset; /* saved offset */ + __u8 offset[2]; /* saved offset */ __u8 name[]; /* name, variable size */ /* * A single byte containing the file type field follows the inode @@ -260,7 +254,7 @@ typedef struct xfs_dir2_sf_entry { * A xfs_dir2_ino8_t or xfs_dir2_ino4_t follows here, at a * variable offset after the name. */ -} __arch_pack xfs_dir2_sf_entry_t; +} xfs_dir2_sf_entry_t; static inline int xfs_dir2_sf_hdr_size(int i8count) { @@ -272,13 +266,13 @@ static inline int xfs_dir2_sf_hdr_size(int i8count) static inline xfs_dir2_data_aoff_t xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep) { - return get_unaligned_be16(&sfep->offset.i); + return get_unaligned_be16(sfep->offset); } static inline void xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep, xfs_dir2_data_aoff_t off) { - put_unaligned_be16(off, &sfep->offset.i); + put_unaligned_be16(off, sfep->offset); } static inline struct xfs_dir2_sf_entry * diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c index e5bb9cc..f8ccfd5a 100644 --- a/fs/xfs/libxfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -126,11 +126,10 @@ xfs_dir2_block_sfsize( /* * Calculate the new size, see if we should give up yet. */ - size = xfs_dir2_sf_hdr_size(i8count) + /* header */ - count + /* namelen */ - count * (uint)sizeof(xfs_dir2_sf_off_t) + /* offset */ - namelen + /* name */ - (i8count ? /* inumber */ + size = xfs_dir2_sf_hdr_size(i8count) + /* header */ + count * 3 * sizeof(u8) + /* namelen + offset */ + namelen + /* name */ + (i8count ? /* inumber */ (uint)sizeof(xfs_dir2_ino8_t) * count : (uint)sizeof(xfs_dir2_ino4_t) * count); if (size > XFS_IFORK_DSIZE(dp)) @@ -1048,7 +1047,7 @@ xfs_dir2_sf_toino4( i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep), oldsfep = dp->d_ops->sf_nextentry(oldsfp, oldsfep)) { sfep->namelen = oldsfep->namelen; - sfep->offset = oldsfep->offset; + memcpy(sfep->offset, oldsfep->offset, sizeof(sfep->offset)); memcpy(sfep->name, oldsfep->name, sfep->namelen); dp->d_ops->sf_put_ino(sfp, sfep, dp->d_ops->sf_get_ino(oldsfp, oldsfep)); @@ -1124,7 +1123,7 @@ xfs_dir2_sf_toino8( i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep), oldsfep = dp->d_ops->sf_nextentry(oldsfp, oldsfep)) { sfep->namelen = oldsfep->namelen; - sfep->offset = oldsfep->offset; + memcpy(sfep->offset, oldsfep->offset, sizeof(sfep->offset)); memcpy(sfep->name, oldsfep->name, sfep->namelen); dp->d_ops->sf_put_ino(sfp, sfep, dp->d_ops->sf_get_ino(oldsfp, oldsfep)); diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index 0272301..3cbc1f8 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -116,7 +116,6 @@ xfs_check_ondisk_structs(void) XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, offset, 1); XFS_CHECK_OFFSET(xfs_dir2_sf_entry_t, name, 3); XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t, 10); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t, 2); /* log structures */ XFS_CHECK_STRUCT_SIZE(struct xfs_dq_logformat, 24); -- 2.1.4 From BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 24 02:53:01 2016 Return-Path: <BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id CEB957CA7 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 02:53:01 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 409A4AC003 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:53:01 -0700 (PDT) X-ASG-Debug-ID: 1466754778-04bdf074b53edf0001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id y3mb1HQRXaaTPPIp (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:52:58 -0700 (PDT) X-Barracuda-Envelope-From: BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [91.114.64.3] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bGLv7-0002rM-J6 for xfs@oss.sgi.com; Fri, 24 Jun 2016 07:52:58 +0000 From: Christoph Hellwig <hch@lst.de> To: xfs@oss.sgi.com Subject: [PATCH 2/3] xfs: kill xfs_dir2_inou_t Date: Fri, 24 Jun 2016 09:52:46 +0200 X-ASG-Orig-Subj: [PATCH 2/3] xfs: kill xfs_dir2_inou_t Message-Id: <1466754767-10657-3-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466754767-10657-1-git-send-email-hch@lst.de> References: <1466754767-10657-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from <hch@infradead.org> by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466754778 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8181 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30715 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 And use an array of unsigned char values directly to avoid problems with architectures that pad the size of structures. This also gets rid of the xfs_dir2_ino4_t and xfs_dir2_ino8_t types, and introduces new constants for the size of 4 and 8 bytes as well as the size difference between the two. Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/xfs/libxfs/xfs_da_format.c | 31 +++++++++++++------------------ fs/xfs/libxfs/xfs_da_format.h | 27 +++++++-------------------- fs/xfs/libxfs/xfs_dir2_sf.c | 25 ++++++------------------- fs/xfs/xfs_ondisk.h | 3 --- 4 files changed, 26 insertions(+), 60 deletions(-) diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c index 9d624a6..f1e8d4d 100644 --- a/fs/xfs/libxfs/xfs_da_format.c +++ b/fs/xfs/libxfs/xfs_da_format.c @@ -40,8 +40,7 @@ xfs_dir2_sf_entsize( int count = sizeof(struct xfs_dir2_sf_entry); /* namelen + offset */ count += len; /* name */ - count += hdr->i8count ? sizeof(xfs_dir2_ino8_t) : - sizeof(xfs_dir2_ino4_t); /* ino # */ + count += hdr->i8count ? XFS_INO64_SIZE : XFS_INO32_SIZE; /* ino # */ return count; } @@ -125,33 +124,33 @@ xfs_dir3_sfe_put_ftype( static xfs_ino_t xfs_dir2_sf_get_ino( struct xfs_dir2_sf_hdr *hdr, - xfs_dir2_inou_t *from) + __uint8_t *from) { if (hdr->i8count) - return get_unaligned_be64(&from->i8.i) & 0x00ffffffffffffffULL; + return get_unaligned_be64(from) & 0x00ffffffffffffffULL; else - return get_unaligned_be32(&from->i4.i); + return get_unaligned_be32(from); } static void xfs_dir2_sf_put_ino( struct xfs_dir2_sf_hdr *hdr, - xfs_dir2_inou_t *to, + __uint8_t *to, xfs_ino_t ino) { ASSERT((ino & 0xff00000000000000ULL) == 0); if (hdr->i8count) - put_unaligned_be64(ino, &to->i8.i); + put_unaligned_be64(ino, to); else - put_unaligned_be32(ino, &to->i4.i); + put_unaligned_be32(ino, to); } static xfs_ino_t xfs_dir2_sf_get_parent_ino( struct xfs_dir2_sf_hdr *hdr) { - return xfs_dir2_sf_get_ino(hdr, &hdr->parent); + return xfs_dir2_sf_get_ino(hdr, hdr->parent); } static void @@ -159,7 +158,7 @@ xfs_dir2_sf_put_parent_ino( struct xfs_dir2_sf_hdr *hdr, xfs_ino_t ino) { - xfs_dir2_sf_put_ino(hdr, &hdr->parent, ino); + xfs_dir2_sf_put_ino(hdr, hdr->parent, ino); } /* @@ -173,8 +172,7 @@ xfs_dir2_sfe_get_ino( struct xfs_dir2_sf_hdr *hdr, struct xfs_dir2_sf_entry *sfep) { - return xfs_dir2_sf_get_ino(hdr, - (xfs_dir2_inou_t *)&sfep->name[sfep->namelen]); + return xfs_dir2_sf_get_ino(hdr, &sfep->name[sfep->namelen]); } static void @@ -183,8 +181,7 @@ xfs_dir2_sfe_put_ino( struct xfs_dir2_sf_entry *sfep, xfs_ino_t ino) { - xfs_dir2_sf_put_ino(hdr, - (xfs_dir2_inou_t *)&sfep->name[sfep->namelen], ino); + xfs_dir2_sf_put_ino(hdr, &sfep->name[sfep->namelen], ino); } static xfs_ino_t @@ -192,8 +189,7 @@ xfs_dir3_sfe_get_ino( struct xfs_dir2_sf_hdr *hdr, struct xfs_dir2_sf_entry *sfep) { - return xfs_dir2_sf_get_ino(hdr, - (xfs_dir2_inou_t *)&sfep->name[sfep->namelen + 1]); + return xfs_dir2_sf_get_ino(hdr, &sfep->name[sfep->namelen + 1]); } static void @@ -202,8 +198,7 @@ xfs_dir3_sfe_put_ino( struct xfs_dir2_sf_entry *sfep, xfs_ino_t ino) { - xfs_dir2_sf_put_ino(hdr, - (xfs_dir2_inou_t *)&sfep->name[sfep->namelen + 1], ino); + xfs_dir2_sf_put_ino(hdr, &sfep->name[sfep->namelen + 1], ino); } diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h index a5f4d6e..f877bb1 100644 --- a/fs/xfs/libxfs/xfs_da_format.h +++ b/fs/xfs/libxfs/xfs_da_format.h @@ -208,22 +208,10 @@ typedef xfs_off_t xfs_dir2_off_t; */ typedef __uint32_t xfs_dir2_db_t; -/* - * Inode number stored as 8 8-bit values. - */ -typedef struct { __uint8_t i[8]; } xfs_dir2_ino8_t; - -/* - * Inode number stored as 4 8-bit values. - * Works a lot of the time, when all the inode numbers in a directory - * fit in 32 bits. - */ -typedef struct { __uint8_t i[4]; } xfs_dir2_ino4_t; +#define XFS_INO32_SIZE 4 +#define XFS_INO64_SIZE 8 +#define XFS_INO64_DIFF (XFS_INO64_SIZE - XFS_INO32_SIZE) -typedef union { - xfs_dir2_ino8_t i8; - xfs_dir2_ino4_t i4; -} xfs_dir2_inou_t; #define XFS_DIR2_MAX_SHORT_INUM ((xfs_ino_t)0xffffffffULL) /* @@ -240,7 +228,7 @@ typedef union { typedef struct xfs_dir2_sf_hdr { __uint8_t count; /* count of entries */ __uint8_t i8count; /* count of 8-byte inode #s */ - xfs_dir2_inou_t parent; /* parent dir inode number */ + __uint8_t parent[8]; /* parent dir inode number */ } __arch_pack xfs_dir2_sf_hdr_t; typedef struct xfs_dir2_sf_entry { @@ -251,16 +239,15 @@ typedef struct xfs_dir2_sf_entry { * A single byte containing the file type field follows the inode * number for version 3 directory entries. * - * A xfs_dir2_ino8_t or xfs_dir2_ino4_t follows here, at a - * variable offset after the name. + * A 64-bit or 32-bit inode number follows here, at a variable offset + * after the name. */ } xfs_dir2_sf_entry_t; static inline int xfs_dir2_sf_hdr_size(int i8count) { return sizeof(struct xfs_dir2_sf_hdr) - - (i8count == 0) * - (sizeof(xfs_dir2_ino8_t) - sizeof(xfs_dir2_ino4_t)); + (i8count == 0) * XFS_INO64_DIFF; } static inline xfs_dir2_data_aoff_t diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c index f8ccfd5a..c6809ff 100644 --- a/fs/xfs/libxfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -130,8 +130,8 @@ xfs_dir2_block_sfsize( count * 3 * sizeof(u8) + /* namelen + offset */ namelen + /* name */ (i8count ? /* inumber */ - (uint)sizeof(xfs_dir2_ino8_t) * count : - (uint)sizeof(xfs_dir2_ino4_t) * count); + count * XFS_INO64_SIZE : + count * XFS_INO32_SIZE); if (size > XFS_IFORK_DSIZE(dp)) return size; /* size value is a failure */ } @@ -318,10 +318,7 @@ xfs_dir2_sf_addname( /* * Yes, adjust the inode size. old count + (parent + new) */ - incr_isize += - (sfp->count + 2) * - ((uint)sizeof(xfs_dir2_ino8_t) - - (uint)sizeof(xfs_dir2_ino4_t)); + incr_isize += (sfp->count + 2) * XFS_INO64_DIFF; objchange = 1; } @@ -896,11 +893,7 @@ xfs_dir2_sf_replace( int error; /* error return value */ int newsize; /* new inode size */ - newsize = - dp->i_df.if_bytes + - (sfp->count + 1) * - ((uint)sizeof(xfs_dir2_ino8_t) - - (uint)sizeof(xfs_dir2_ino4_t)); + newsize = dp->i_df.if_bytes + (sfp->count + 1) * XFS_INO64_DIFF; /* * Won't fit as shortform, convert to block then do replace. */ @@ -1021,10 +1014,7 @@ xfs_dir2_sf_toino4( /* * Compute the new inode size. */ - newsize = - oldsize - - (oldsfp->count + 1) * - ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)); + newsize = oldsize - (oldsfp->count + 1) * XFS_INO64_DIFF; xfs_idata_realloc(dp, -oldsize, XFS_DATA_FORK); xfs_idata_realloc(dp, newsize, XFS_DATA_FORK); /* @@ -1097,10 +1087,7 @@ xfs_dir2_sf_toino8( /* * Compute the new inode size (nb: entry count + 1 for parent) */ - newsize = - oldsize + - (oldsfp->count + 1) * - ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t)); + newsize = oldsize + (oldsfp->count + 1) * XFS_INO64_DIFF; xfs_idata_realloc(dp, -oldsize, XFS_DATA_FORK); xfs_idata_realloc(dp, newsize, XFS_DATA_FORK); /* diff --git a/fs/xfs/xfs_ondisk.h b/fs/xfs/xfs_ondisk.h index 3cbc1f8..673a50b 100644 --- a/fs/xfs/xfs_ondisk.h +++ b/fs/xfs/xfs_ondisk.h @@ -104,9 +104,6 @@ xfs_check_ondisk_structs(void) XFS_CHECK_OFFSET(xfs_dir2_data_unused_t, length, 2); XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t, 16); XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t, 16); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino4_t, 4); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino8_t, 8); - XFS_CHECK_STRUCT_SIZE(xfs_dir2_inou_t, 8); XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_entry_t, 8); XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_hdr_t, 16); XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t, 16); -- 2.1.4 From BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org Fri Jun 24 02:53:06 2016 Return-Path: <BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id A6BBC7CA4 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 02:53:06 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6852B304039 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:53:03 -0700 (PDT) X-ASG-Debug-ID: 1466754781-04bdf074b73ee00001-NocioJ Received: from bombadil.infradead.org ([198.137.202.9]) by cuda.sgi.com with ESMTP id nWpddx8eUtYg1PVR (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 00:53:01 -0700 (PDT) X-Barracuda-Envelope-From: BATV+93f716a33c6b40cffcc2+4688+infradead.org+hch@bombadil.srs.infradead.org X-Barracuda-Effective-Source-IP: UNKNOWN[198.137.202.9] X-Barracuda-Apparent-Source-IP: 198.137.202.9 Received: from [91.114.64.3] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.85_2 #1 (Red Hat Linux)) id 1bGLvA-0002rZ-GQ for xfs@oss.sgi.com; Fri, 24 Jun 2016 07:53:01 +0000 From: Christoph Hellwig <hch@lst.de> To: xfs@oss.sgi.com Subject: [PATCH 3/3] xfs: remove __arch_pack Date: Fri, 24 Jun 2016 09:52:47 +0200 X-ASG-Orig-Subj: [PATCH 3/3] xfs: remove __arch_pack Message-Id: <1466754767-10657-4-git-send-email-hch@lst.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1466754767-10657-1-git-send-email-hch@lst.de> References: <1466754767-10657-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from <hch@infradead.org> by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Barracuda-Connect: UNKNOWN[198.137.202.9] X-Barracuda-Start-Time: 1466754781 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1582 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC5_MJ1963, RDNS_NONE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30715 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.10 RDNS_NONE Delivered to trusted network by a host with no rDNS 0.50 BSF_SC5_MJ1963 Custom Rule MJ1963 Instead we always declare struct xfs_dir2_sf_hdr as packed. That's the expected layout, and while most major architectures do the packing by default the new structure size and offset checker showed that not only the ARM old ABI got this wrong, but various minor embedded architectures did as well. Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/xfs/libxfs/xfs_da_format.h | 2 +- fs/xfs/xfs_linux.h | 7 ------- 2 files changed, 1 insertion(+), 8 deletions(-) diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h index f877bb1..685f23b 100644 --- a/fs/xfs/libxfs/xfs_da_format.h +++ b/fs/xfs/libxfs/xfs_da_format.h @@ -229,7 +229,7 @@ typedef struct xfs_dir2_sf_hdr { __uint8_t count; /* count of entries */ __uint8_t i8count; /* count of 8-byte inode #s */ __uint8_t parent[8]; /* parent dir inode number */ -} __arch_pack xfs_dir2_sf_hdr_t; +} __packed xfs_dir2_sf_hdr_t; typedef struct xfs_dir2_sf_entry { __u8 namelen; /* actual name length */ diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index a8192dc..b8d64d5 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -328,13 +328,6 @@ static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y) return x; } -/* ARM old ABI has some weird alignment/padding */ -#if defined(__arm__) && !defined(__ARM_EABI__) -#define __arch_pack __attribute__((packed)) -#else -#define __arch_pack -#endif - #define ASSERT_ALWAYS(expr) \ (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) -- 2.1.4 From dan.carpenter@oracle.com Fri Jun 24 07:22:55 2016 Return-Path: <dan.carpenter@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E49EA7CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 07:22:54 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4D24AAC003 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 05:22:51 -0700 (PDT) X-ASG-Debug-ID: 1466770968-04cbb0273616d520001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id YYizKLz3t1qQFZel (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 05:22:49 -0700 (PDT) X-Barracuda-Envelope-From: dan.carpenter@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5OCMjZY008517 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 24 Jun 2016 12:22:45 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5OCMjrY026931 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 24 Jun 2016 12:22:45 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5OCMiT4012567; Fri, 24 Jun 2016 12:22:44 GMT Received: from mwanda (/154.0.139.178) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 24 Jun 2016 05:22:43 -0700 Date: Fri, 24 Jun 2016 15:22:34 +0300 From: Dan Carpenter <dan.carpenter@oracle.com> To: Dave Chinner <david@fromorbit.com> Cc: xfs@oss.sgi.com, kernel-janitors@vger.kernel.org Subject: [patch] xfs: don't allow negative error tags Message-ID: <20160624122234.GA23169@mwanda> X-ASG-Orig-Subj: [patch] xfs: don't allow negative error tags MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.6.0 (2016-04-01) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1466770969 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1232 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30719 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines Errors go from zero which means no error to XFS_ERRTAG_MAX (22). My static checker complains that xfs_errortag_add() puts an upper bound on this but not a lower bound. Let's fix it by making it unsigned. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 4ed3042..2e4f67f 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -128,7 +128,7 @@ extern int xfs_error_test(int, int *, char *, int, char *, unsigned long); xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ (rf)))) -extern int xfs_errortag_add(int error_tag, struct xfs_mount *mp); +extern int xfs_errortag_add(unsigned int error_tag, struct xfs_mount *mp); extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud); #else #define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index 355619a..ed7ee4e 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -55,7 +55,7 @@ xfs_error_test(int error_tag, int *fsidp, char *expression, } int -xfs_errortag_add(int error_tag, xfs_mount_t *mp) +xfs_errortag_add(unsigned int error_tag, xfs_mount_t *mp) { int i; int len; From sandeen@sandeen.net Fri Jun 24 08:17:33 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id AD98F7CA1 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 08:17:33 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 80CD6304048 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 06:17:29 -0700 (PDT) X-ASG-Debug-ID: 1466774245-04cbb0273716fee0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id MKGZhmh2UJH9cDgv for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 06:17:25 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 31FDE541; Fri, 24 Jun 2016 08:17:25 -0500 (CDT) Subject: Re: xfs metadata overhead To: Danny Shavit <danny@zadarastorage.com>, xfs-oss <xfs@oss.sgi.com> X-ASG-Orig-Subj: Re: xfs metadata overhead References: <CAC=x_0jDYb17Vh97Led7XXDiUMcUTJbpJ2Dw45gn=D0_w0K5VQ@mail.gmail.com> <20160622225117.GX12670@dastard> <CAC=x_0hdvm7SSP8EOAdUwLa-k3a3p7p7CRj8tyCnEx=As7A6jw@mail.gmail.com> <71fbc905-ef05-126a-5c7f-c68c9018763c@sandeen.net> <CAC=x_0hnGQHAenv985+FusWxK_63AatB_XK_mqbAmyt=OxqYrg@mail.gmail.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <b920a8ec-6410-1daa-809c-04b48db24c0a@sandeen.net> Date: Fri, 24 Jun 2016 08:17:23 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <CAC=x_0hnGQHAenv985+FusWxK_63AatB_XK_mqbAmyt=OxqYrg@mail.gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1466774245 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3493 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30720 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On 6/24/16 5:34 AM, Danny Shavit wrote: >> How do you determine allocated_size, with du? > yes via du >> How different? Can you show an example? > meta data file size= 5.6 GB (*6,089,374,208*) > > *df:* > Filesystem 1K-blocks Used Available Use% Mounted on > /dev/dm-39 2725683200 955900860 1769782340 36% /export/v1 = 978,842,480,640 bytes > > *du:* du -s /export/v1/ > 952825644 /export/v1/ = 975,693,459,456 bytes > 978,842,480,640 -975,693,459,456 = > > Metadata size according to calculation=*3,149,021,184* bytes Oh, right. I should have thought of this; "du" counts some metadata as well, i.e. a directory full of zero-length files still consumes space which is reported by du. so your 975,693,459,456 bytes is file data as well as some metadata. -Eric > > Thanks, > Danny > > On Thu, Jun 23, 2016 at 9:12 PM, Eric Sandeen <sandeen@sandeen.net <mailto:sandeen@sandeen.net>> wrote: > > On 6/23/16 10:04 AM, Danny Shavit wrote: > > I see. We will try this direction. > > BTW: I thought that good estimate would be "volume_size - > > allocated_size - free_space". But it produced quite a difference > > compared to metadata dump size. > > Is there a specific reason? > > How do you determine allocated_size, with du? > > How different? Can you show an example? > > -Eric > > > Thanks, > > Danny > > > > On Thu, Jun 23, 2016 at 1:51 AM, Dave Chinner <david@fromorbit.com <mailto:david@fromorbit.com> <mailto:david@fromorbit.com <mailto:david@fromorbit.com>>> wrote: > > > > On Wed, Jun 22, 2016 at 06:58:16PM +0300, Danny Shavit wrote: > > > Hi, > > > > > > We are looking for a method to estimate the size of metadata overhead for a > > > given file system. > > > We would like to use this value as indicator for the amount of cache memory > > > a system for faster operation. > > > Are there any counters that are maintained in the on-disk data > > > structures like free space for examples? > > > > No. > > > > Right now, you'll need to take a metadump of the filesystem to > > measure it. The size of the dump file will be a close indication of > > the amount of metadata in the filesystem as it only contains > > the filesystem metadata. > > > > In future, querying the rmap will enable us to calculate it on the > > fly, (i.e. not requiring the filesystem to be snapshotted/taken off > > line to do a metadump). > > > > Cheers, > > > > Dave. > > -- > > Dave Chinner > > david@fromorbit.com <mailto:david@fromorbit.com> <mailto:david@fromorbit.com <mailto:david@fromorbit.com>> > > > > > > > > > > -- > > Regards, > > Danny > > > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com <mailto:xfs@oss.sgi.com> > > http://oss.sgi.com/mailman/listinfo/xfs > > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com <mailto:xfs@oss.sgi.com> > http://oss.sgi.com/mailman/listinfo/xfs > > > > > -- > Regards, > Danny From danny@zadarastorage.com Fri Jun 24 08:21:45 2016 Return-Path: <danny@zadarastorage.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 816A17CA0 for <xfs@oss.sgi.com>; 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Fri, 24 Jun 2016 06:21:40 -0700 (PDT) MIME-Version: 1.0 Received: by 10.114.5.37 with HTTP; Fri, 24 Jun 2016 06:21:39 -0700 (PDT) In-Reply-To: <b920a8ec-6410-1daa-809c-04b48db24c0a@sandeen.net> References: <CAC=x_0jDYb17Vh97Led7XXDiUMcUTJbpJ2Dw45gn=D0_w0K5VQ@mail.gmail.com> <20160622225117.GX12670@dastard> <CAC=x_0hdvm7SSP8EOAdUwLa-k3a3p7p7CRj8tyCnEx=As7A6jw@mail.gmail.com> <71fbc905-ef05-126a-5c7f-c68c9018763c@sandeen.net> <CAC=x_0hnGQHAenv985+FusWxK_63AatB_XK_mqbAmyt=OxqYrg@mail.gmail.com> <b920a8ec-6410-1daa-809c-04b48db24c0a@sandeen.net> From: Danny Shavit <danny@zadarastorage.com> Date: Fri, 24 Jun 2016 16:21:39 +0300 Message-ID: <CAC=x_0g_iktOKOKiRF5Ku7N-PSbCXOR+Amhm577YjNYQaRPjeA@mail.gmail.com> Subject: Re: xfs metadata overhead To: Eric Sandeen <sandeen@sandeen.net> X-ASG-Orig-Subj: Re: xfs metadata overhead Cc: xfs-oss <xfs@oss.sgi.com> Content-Type: multipart/alternative; boundary=001a114172ec0b9d7c0536060db0 X-Barracuda-Connect: mail-lf0-f52.google.com[209.85.215.52] X-Barracuda-Start-Time: 1466774501 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10200 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30720 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --001a114172ec0b9d7c0536060db0 Content-Type: text/plain; charset=UTF-8 I see. So using bulk_stat ioctl in similar way to xfs_fsr and summing allocated size will result with more accurate number? Thanks, Danny On Fri, Jun 24, 2016 at 4:17 PM, Eric Sandeen <sandeen@sandeen.net> wrote: > On 6/24/16 5:34 AM, Danny Shavit wrote: > >> How do you determine allocated_size, with du? > > yes via du > >> How different? Can you show an example? > > meta data file size= 5.6 GB (*6,089,374,208*) > > > > *df:* > > Filesystem 1K-blocks Used Available Use% > Mounted on > > /dev/dm-39 2725683200 955900860 1769782340 36% > /export/v1 = 978,842,480,640 bytes > > > > *du:* du -s /export/v1/ > > 952825644 /export/v1/ = 975,693,459,456 bytes > > 978,842,480,640 -975,693,459,456 = > > > > Metadata size according to calculation=*3,149,021,184* bytes > > Oh, right. I should have thought of this; "du" counts some metadata as > well, i.e. a directory full of zero-length files still consumes space > which is reported by du. > > so your 975,693,459,456 bytes is file data as well as some metadata. > > -Eric > > > > > Thanks, > > Danny > > > > On Thu, Jun 23, 2016 at 9:12 PM, Eric Sandeen <sandeen@sandeen.net > <mailto:sandeen@sandeen.net>> wrote: > > > > On 6/23/16 10:04 AM, Danny Shavit wrote: > > > I see. We will try this direction. > > > BTW: I thought that good estimate would be "volume_size - > > > allocated_size - free_space". But it produced quite a difference > > > compared to metadata dump size. > > > Is there a specific reason? > > > > How do you determine allocated_size, with du? > > > > How different? Can you show an example? > > > > -Eric > > > > > Thanks, > > > Danny > > > > > > On Thu, Jun 23, 2016 at 1:51 AM, Dave Chinner <david@fromorbit.com > <mailto:david@fromorbit.com> <mailto:david@fromorbit.com <mailto: > david@fromorbit.com>>> wrote: > > > > > > On Wed, Jun 22, 2016 at 06:58:16PM +0300, Danny Shavit wrote: > > > > Hi, > > > > > > > > We are looking for a method to estimate the size of metadata > overhead for a > > > > given file system. > > > > We would like to use this value as indicator for the amount > of cache memory > > > > a system for faster operation. > > > > Are there any counters that are maintained in the on-disk > data > > > > structures like free space for examples? > > > > > > No. > > > > > > Right now, you'll need to take a metadump of the filesystem to > > > measure it. The size of the dump file will be a close > indication of > > > the amount of metadata in the filesystem as it only contains > > > the filesystem metadata. > > > > > > In future, querying the rmap will enable us to calculate it on > the > > > fly, (i.e. not requiring the filesystem to be > snapshotted/taken off > > > line to do a metadump). > > > > > > Cheers, > > > > > > Dave. > > > -- > > > Dave Chinner > > > david@fromorbit.com <mailto:david@fromorbit.com> <mailto: > david@fromorbit.com <mailto:david@fromorbit.com>> > > > > > > > > > > > > > > > -- > > > Regards, > > > Danny > > > > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com <mailto:xfs@oss.sgi.com> > > > http://oss.sgi.com/mailman/listinfo/xfs > > > > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com <mailto:xfs@oss.sgi.com> > > http://oss.sgi.com/mailman/listinfo/xfs > > > > > > > > > > -- > > Regards, > > Danny > -- Regards, Danny --001a114172ec0b9d7c0536060db0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr">I see.<div>So using bulk_stat ioctl in similar way to xfs_= fsr and summing allocated size will result with =C2=A0more accurate number?= </div><div><br></div><div>Thanks,</div><div>Danny</div></div><div class=3D"= gmail_extra"><br><div class=3D"gmail_quote">On Fri, Jun 24, 2016 at 4:17 PM= , Eric Sandeen <span dir=3D"ltr"><<a href=3D"mailto:sandeen@sandeen.net"= target=3D"_blank">sandeen@sandeen.net</a>></span> wrote:<br><blockquote= class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc soli= d;padding-left:1ex"><span class=3D"">On 6/24/16 5:34 AM, Danny Shavit wrote= :<br> >> How do you determine allocated_size, with du?<br> > yes via du<br> >> How different?=C2=A0 Can you show an example?<br> </span>> meta data file size=3D 5.6 GB (*6,089,374,208*)<br> ><br> > *df:*<br> <span class=3D"">> Filesystem=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A01K-blocks=C2=A0 =C2=A0 =C2=A0 =C2=A0Used=C2=A0 A= vailable Use% Mounted on<br> > /dev/dm-39=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 <a href=3D"tel:2725683200" value=3D"+12725683200">2725683200</a>=C2=A0 = 955900860 1769782340=C2=A0 36% /export/v1=C2=A0 =C2=A0 =C2=A0=3D 978,842,48= 0,640 bytes<br> ><br> </span>> *du:*=C2=A0 du -s /export/v1/<br> <span class=3D"">> 952825644=C2=A0 =C2=A0 =C2=A0 =C2=A0/export/v1/=C2=A0= =C2=A0 =C2=A0=3D 975,693,459,456 bytes<br> > 978,842,480,640 -975,693,459,456=C2=A0 =3D<br> ><br> </span>> Metadata size according to calculation=3D*3,149,021,184* bytes<= br> <br> Oh, right.=C2=A0 I should have thought of this; "du" counts some = metadata as<br> well, i.e. a directory full of zero-length files still consumes space<br> which is reported by du.<br> <br> so your 975,693,459,456 bytes is file data as well as some metadata.<br> <br> -Eric<br> <br> ><br> > Thanks,<br> > Danny<br> <span class=3D"">><br> > On Thu, Jun 23, 2016 at 9:12 PM, Eric Sandeen <<a href=3D"mailto:sa= ndeen@sandeen.net">sandeen@sandeen.net</a> <mailto:<a href=3D"mailto:san= deen@sandeen.net">sandeen@sandeen.net</a>>> wrote:<br> ><br> >=C2=A0 =C2=A0 =C2=A0On 6/23/16 10:04 AM, Danny Shavit wrote:<br> >=C2=A0 =C2=A0 =C2=A0> I see. We will try this direction.<br> >=C2=A0 =C2=A0 =C2=A0> BTW: I thought that good estimate would be &qu= ot;volume_size -<br> >=C2=A0 =C2=A0 =C2=A0> allocated_size - free_space". But it prod= uced quite a difference<br> >=C2=A0 =C2=A0 =C2=A0> compared to metadata dump size.<br> >=C2=A0 =C2=A0 =C2=A0> Is there a specific reason?<br> ><br> >=C2=A0 =C2=A0 =C2=A0How do you determine allocated_size, with du?<br> ><br> >=C2=A0 =C2=A0 =C2=A0How different?=C2=A0 Can you show an example?<br> ><br> >=C2=A0 =C2=A0 =C2=A0-Eric<br> ><br> >=C2=A0 =C2=A0 =C2=A0> Thanks,<br> >=C2=A0 =C2=A0 =C2=A0> Danny<br> >=C2=A0 =C2=A0 =C2=A0><br> </span><span class=3D"">>=C2=A0 =C2=A0 =C2=A0> On Thu, Jun 23, 2016 a= t 1:51 AM, Dave Chinner <<a href=3D"mailto:david@fromorbit.com">david@fr= omorbit.com</a> <mailto:<a href=3D"mailto:david@fromorbit.com">david@fro= morbit.com</a>> <mailto:<a href=3D"mailto:david@fromorbit.com">david@= fromorbit.com</a> <mailto:<a href=3D"mailto:david@fromorbit.com">david@f= romorbit.com</a>>>> wrote:<br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0On Wed, Jun 22, 2016 at 06:= 58:16PM +0300, Danny Shavit wrote:<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0> Hi,<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0> We are looking for a m= ethod to estimate the size of metadata overhead for a<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0> given file system.<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0> We would like to use t= his value as indicator for the amount of cache memory<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0> a system for faster op= eration.<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0> Are there any counters= that are maintained in the on-disk data<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0> structures like free s= pace for examples?<br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0No.<br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0Right now, you'll need = to take a metadump of the filesystem to<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0measure it. The size of the= dump file will be a close indication of<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0the amount of metadata in t= he filesystem as it only contains<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0the filesystem metadata.<br= > >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0In future, querying the rma= p will enable us to calculate it on the<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0fly, (i.e. not requiring th= e filesystem to be snapshotted/taken off<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0line to do a metadump).<br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0Cheers,<br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0Dave.<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0--<br> >=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0Dave Chinner<br> </span>>=C2=A0 =C2=A0 =C2=A0>=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:da= vid@fromorbit.com">david@fromorbit.com</a> <mailto:<a href=3D"mailto:dav= id@fromorbit.com">david@fromorbit.com</a>> <mailto:<a href=3D"mailto:= david@fromorbit.com">david@fromorbit.com</a> <mailto:<a href=3D"mailto:d= avid@fromorbit.com">david@fromorbit.com</a>>><br> <span class=3D"">>=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0> --<br> >=C2=A0 =C2=A0 =C2=A0> Regards,<br> >=C2=A0 =C2=A0 =C2=A0> Danny<br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0><br> >=C2=A0 =C2=A0 =C2=A0> ______________________________________________= _<br> >=C2=A0 =C2=A0 =C2=A0> xfs mailing list<br> </span>>=C2=A0 =C2=A0 =C2=A0> <a href=3D"mailto:xfs@oss.sgi.com">xfs@= oss.sgi.com</a> <mailto:<a href=3D"mailto:xfs@oss.sgi.com">xfs@oss.sgi.c= om</a>><br> <span class=3D"">>=C2=A0 =C2=A0 =C2=A0> <a href=3D"http://oss.sgi.com= /mailman/listinfo/xfs" rel=3D"noreferrer" target=3D"_blank">http://oss.sgi.= com/mailman/listinfo/xfs</a><br> >=C2=A0 =C2=A0 =C2=A0><br> ><br> >=C2=A0 =C2=A0 =C2=A0_______________________________________________<br> >=C2=A0 =C2=A0 =C2=A0xfs mailing list<br> </span>>=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:xfs@oss.sgi.com">xfs@oss.s= gi.com</a> <mailto:<a href=3D"mailto:xfs@oss.sgi.com">xfs@oss.sgi.com</a= >><br> <div class=3D"HOEnZb"><div class=3D"h5">>=C2=A0 =C2=A0 =C2=A0<a href=3D"= http://oss.sgi.com/mailman/listinfo/xfs" rel=3D"noreferrer" target=3D"_blan= k">http://oss.sgi.com/mailman/listinfo/xfs</a><br> ><br> ><br> ><br> ><br> > --<br> > Regards,<br> > Danny<br> </div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>= <div class=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div dir= =3D"ltr"><div>Regards,<br></div>Danny<br></div></div> </div> --001a114172ec0b9d7c0536060db0-- From dan.carpenter@oracle.com Fri Jun 24 08:28:08 2016 Return-Path: <dan.carpenter@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B5EA27CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 08:28:08 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 1E555AC005 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 06:28:04 -0700 (PDT) X-ASG-Debug-ID: 1466774882-04cb6c063f139cc0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id 8gvTRTkguPpFLzJD (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 06:28:03 -0700 (PDT) X-Barracuda-Envelope-From: dan.carpenter@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5ODRtLP028937 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 24 Jun 2016 13:27:56 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5ODRtFX018087 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 24 Jun 2016 13:27:55 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5ODRs1b020506; Fri, 24 Jun 2016 13:27:54 GMT Received: from mwanda (/154.0.139.178) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 24 Jun 2016 06:27:53 -0700 Date: Fri, 24 Jun 2016 16:27:49 +0300 From: Dan Carpenter <dan.carpenter@oracle.com> To: Jeff Liu <jeff.liu@easystack.cn> Cc: Dave Chinner <david@fromorbit.com>, kernel-janitors@vger.kernel.org, xfs@oss.sgi.com Subject: Re: [patch] xfs: don't allow negative error tags Message-ID: <20160624132749.GP32247@mwanda> X-ASG-Orig-Subj: Re: [patch] xfs: don't allow negative error tags References: <20160624122234.GA23169@mwanda> <576D31B9.8010908@easystack.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <576D31B9.8010908@easystack.cn> User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1466774882 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 568 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30720 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Fri, Jun 24, 2016 at 09:12:25PM +0800, Jeff Liu wrote: > Hi Dan, > > xfs_errortag_add() is called by xfs_file_ioctl(), which accept the 1st > argument as signed, i.e, > > typedef struct xfs_error_injection { > __s32 fd; > __s32 errtag; > } xfs_error_injection_t; > > Should we make it happy as well? Also, the typedef can be converted to > to struct xfs_error_injection by removing the depreciated > xfs_error_injection_t > syntax if so. That has been the user interface for a while so I didn't want to change it. regards, dan carpenter From damien.gombault@recia.fr Fri Jun 24 08:52:02 2016 Return-Path: <damien.gombault@recia.fr> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id DA7397CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 08:52:02 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4526FAC006 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 06:52:02 -0700 (PDT) X-ASG-Debug-ID: 1466776318-04cb6c063d13a7e0001-NocioJ Received: from mx.recia.fr (mx.recia.fr [95.128.41.47]) by cuda.sgi.com with ESMTP id KkxvRfmxDAccTXLE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 06:51:59 -0700 (PDT) X-Barracuda-Envelope-From: damien.gombault@recia.fr X-Barracuda-Effective-Source-IP: mx.recia.fr[95.128.41.47] X-Barracuda-Apparent-Source-IP: 95.128.41.47 Received: from e6530-damien.recia.fr (unknown [37.58.188.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: F12A086p) by mx.recia.fr (Postfix) with ESMTPSA id E9E76226278; Fri, 24 Jun 2016 15:51:57 +0200 (CEST) Subject: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed To: Dave Chinner <david@fromorbit.com> X-ASG-Orig-Subj: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed References: <a08ae222-7654-4a6f-d9ba-f70017784f74@recia.fr> <20160622220959.GV12670@dastard> <20160622222328.GW12670@dastard> <20160623014217.GZ12670@dastard> Cc: xfs@oss.sgi.com From: Damien Gombault <damien.gombault@recia.fr> Organization: GIP Recia Message-ID: <eacabe85-cdff-7fbc-8bb6-c8eb51fc0dac@recia.fr> Date: Fri, 24 Jun 2016 15:51:57 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160623014217.GZ12670@dastard> Content-Type: multipart/mixed; boundary="------------02BA962CC061415C1E234270" X-Barracuda-Connect: mx.recia.fr[95.128.41.47] X-Barracuda-Start-Time: 1466776319 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3318 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30721 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header This is a multi-part message in MIME format. --------------02BA962CC061415C1E234270 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi. Thank you for the patch. The patch fixes simple cases (like my reproducer) but it does not fix restoration of more complex directory structures : I have tested the patch on my real data, it fixes some but not all warnings (a user renamed/moved a lots of files and directory between the 2 dumps). Here is another testcase which fails (with the patch) : mkdir dira mkdir dira/dirc touch dira/dirc/filea mkdir dirb . ├── dira │ └── dirc │ └── filea └── dirb Make a level 0 dump. mv dirb dira/dirB mv dira/dirc/ dira/dirB/dirC touch dira/dirB/dirC/fileb . └── dira └── dirB └── dirC ├── filea └── fileb Make a level 1 dump. Restore level 0 then level 1 dump, you will get : xfsrestore: directory post-processing xfsrestore: WARNING: unable to set secure extended attribute for dira/dirB: No such file or directory (2) xfsrestore: restoring non-directory files xfsrestore: WARNING: open of dira/dirB/dirC/fileb failed: No such file or directory: discarding ino 524386 xfsrestore: WARNING: unable to set secure extended attribute for dira/dirB/dirC/fileb: No such file or directory (2) xfsrestore: WARNING: path_to_handle of dira/dirB/dirC failed:No such file or directory xfsrestore: could not set access and modification times of dira/dirB/dirC: No such file or directory xfsrestore: chown (uid=0, gid=0) dira/dirB/dirC failed: No such file or directory xfsrestore: chmod dira/dirB/dirC failed: No such file or directory xfsrestore: WARNING: attempt to set extended attributes (xflags 0x80000000, extsize = 0x0, projid = 0x0) of dira/dirB/dirC failed: Bad file descriptor xfsrestore: WARNING: path_to_handle of dira/dirB failed:No such file or directory xfsrestore: could not set access and modification times of dira/dirB: No such file or directory xfsrestore: chown (uid=0, gid=0) dira/dirB failed: No such file or directory xfsrestore: chmod dira/dirB failed: No such file or directory xfsrestore: WARNING: attempt to set extended attributes (xflags 0x80000000, extsize = 0x0, projid = 0x0) of dira/dirB failed: Bad file descriptor xfsrestore: WARNING: unable to rmdir /mnt/test//orphanage: Directory not empty Directory dirB is placed in orphanage folder and fileb is not restored : . ├── dira ├── orphanage │ └── 1069152.734839917 │ └── dirC │ └── filea └── xfsrestorehousekeepingdir ├── dirattr ├── dirextattr ├── namreg ├── state └── tree -- Damien Gombault Le 23/06/2016 à 03:42, Dave Chinner a écrit : > On Thu, Jun 23, 2016 at 08:23:28AM +1000, Dave Chinner wrote: >> On Thu, Jun 23, 2016 at 08:09:59AM +1000, Dave Chinner wrote: >>> But it seems that dirb hasn't been created before the file in it >>> is being restored. THis can happen because the inventory is not >>> correct, whichmay in fact be a problem with dump rather than >>> restore... >>> >>> I'll have a bit of a play around here, see if I can reproduce it. >> Yes, i can reproduce it, so I'll have a deeper look. > Can you try this patch? > > -Dave --------------02BA962CC061415C1E234270 Content-Type: text/x-vcard; charset=utf-8; name="damien_gombault.vcf" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="damien_gombault.vcf" begin:vcard fn:Damien Gombault n:Gombault;Damien org;quoted-printable:GIP Recia =E2=88=92 Centre de ressources r=C3=A9gional du num=C3=A9rique adr;quoted-printable;dom:Parc d'Activit=C3=A9s les Aulnaies;;151, Rue de la Juine;Olivet;;45160 email;internet:damien.gombault@recia.fr title;quoted-printable:Responsable des syst=C3=A8mes informatiques tel;work:02 38 42 14 71 tel;cell:06 42 62 78 19 url:http://recia.fr version:2.1 end:vcard --------------02BA962CC061415C1E234270-- From sandeen@sandeen.net Fri Jun 24 09:55:44 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id CFEE77CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 09:55:44 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id A32BB8F8037 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 07:55:43 -0700 (PDT) X-ASG-Debug-ID: 1466780137-04cbb02735177f10001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id WmEwPgbf27Cmoq7i for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 07:55:37 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id CDCED541 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 09:55:37 -0500 (CDT) Subject: Re: [PATCH 3/3] xfs: remove __arch_pack To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH 3/3] xfs: remove __arch_pack References: <1466754767-10657-1-git-send-email-hch@lst.de> <1466754767-10657-4-git-send-email-hch@lst.de> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <478743f8-774f-d363-2e3e-40cd0963d8a1@sandeen.net> Date: Fri, 24 Jun 2016 09:55:37 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1466754767-10657-4-git-send-email-hch@lst.de> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1466780137 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2374 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-BRTS-Evidence: digitalvampire.org X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30722 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/24/16 2:52 AM, Christoph Hellwig wrote: > Instead we always declare struct xfs_dir2_sf_hdr as packed. That's > the expected layout, and while most major architectures do the packing > by default the new structure size and offset checker showed that not > only the ARM old ABI got this wrong, but various minor embedded > architectures did as well. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- > fs/xfs/libxfs/xfs_da_format.h | 2 +- > fs/xfs/xfs_linux.h | 7 ------- > 2 files changed, 1 insertion(+), 8 deletions(-) > > diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h > index f877bb1..685f23b 100644 > --- a/fs/xfs/libxfs/xfs_da_format.h > +++ b/fs/xfs/libxfs/xfs_da_format.h > @@ -229,7 +229,7 @@ typedef struct xfs_dir2_sf_hdr { > __uint8_t count; /* count of entries */ > __uint8_t i8count; /* count of 8-byte inode #s */ > __uint8_t parent[8]; /* parent dir inode number */ > -} __arch_pack xfs_dir2_sf_hdr_t; > +} __packed xfs_dir2_sf_hdr_t; The reason I did this in the first place was a vague notion that unconditional packing was harmful. http://digitalvampire.org/blog/index.php/2006/07/31/why-you-shouldnt-use-__attribute__packed/ "However, it's actively harmful to add the attribute to a structure that's already going to be laid out with no padding." ... "gcc gets scared about unaligned accesses and generates six times as much code (96 bytes vs. 16 bytes)! sparc64 goes similarly crazy, bloating from 12 bytes to 52 bytes" I don't know if that's (still) correct or not, but that was the reason for the selective __pack application way back when. Might be worth investigating? -Eric > typedef struct xfs_dir2_sf_entry { > __u8 namelen; /* actual name length */ > diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h > index a8192dc..b8d64d5 100644 > --- a/fs/xfs/xfs_linux.h > +++ b/fs/xfs/xfs_linux.h > @@ -328,13 +328,6 @@ static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y) > return x; > } > > -/* ARM old ABI has some weird alignment/padding */ > -#if defined(__arm__) && !defined(__ARM_EABI__) > -#define __arch_pack __attribute__((packed)) > -#else > -#define __arch_pack > -#endif > - > #define ASSERT_ALWAYS(expr) \ > (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) > > From Brady.Chang@emc.com Fri Jun 24 13:10:59 2016 Return-Path: <Brady.Chang@emc.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE,T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 645337CA2 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 13:10:59 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id C4849AC002 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 11:10:55 -0700 (PDT) X-ASG-Debug-ID: 1466791852-04cbb02736184330001-NocioJ Received: from mailuogwdur.emc.com (mailuogwdur.emc.com [128.221.224.79]) by cuda.sgi.com with ESMTP id O2eXU5GBrtFWT7a3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 11:10:53 -0700 (PDT) X-Barracuda-Envelope-From: Brady.Chang@emc.com X-Barracuda-Effective-Source-IP: mailuogwdur.emc.com[128.221.224.79] X-Barracuda-Apparent-Source-IP: 128.221.224.79 Received: from maildlpprd53.lss.emc.com (maildlpprd53.lss.emc.com [10.106.48.157]) by mailuogwprd51.lss.emc.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.0) with ESMTP id u5OIAqxD001814 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 14:10:52 -0400 X-DKIM: OpenDKIM Filter v2.4.3 mailuogwprd51.lss.emc.com u5OIAqxD001814 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=emc.com; s=jan2013; t=1466791852; bh=V1YKsiZ//vsELRqOBoXR3oGRpRc=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=QdaIF8JmCQe7pzyLjs2oePgPVB1eZMq0g3/jIhVp/2wqICy4U9GiEZamB8LtXBj2u WrkllxMFpSWb5gjMPqnG9UNzkmzm6KxU9nR3sZMbdnv5ouNgrRSJgl7PVpSW7GMUnZ QQP18ZzdRLV9R84JXfhx5s9J1JrwOSIpm+MwXhwI= X-DKIM: OpenDKIM Filter v2.4.3 mailuogwprd51.lss.emc.com u5OIAqxD001814 Received: from mailusrhubprd54.lss.emc.com (mailusrhubprd54.lss.emc.com [10.106.48.19]) by maildlpprd53.lss.emc.com (RSA Interceptor) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 14:10:29 -0400 Received: from MXHUB201.corp.emc.com (MXHUB201.corp.emc.com [10.253.68.27]) by mailusrhubprd54.lss.emc.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.0) with ESMTP id u5OIAef9005505 (version=TLSv1.2 cipher=AES128-SHA256 bits=128 verify=FAIL) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 14:10:40 -0400 Received: from MX103CL01.corp.emc.com ([169.254.5.160]) by MXHUB201.corp.emc.com ([10.253.68.27]) with mapi id 14.03.0266.001; Fri, 24 Jun 2016 14:10:39 -0400 From: "Chang, Brady" <Brady.Chang@emc.com> To: "xfs@oss.sgi.com" <xfs@oss.sgi.com> Subject: xfs_irecover question Thread-Topic: xfs_irecover question X-ASG-Orig-Subj: xfs_irecover question Thread-Index: AQHRzkO2lZ7msQqsUkqzWKg+CBiOvQ== Date: Fri, 24 Jun 2016 18:10:38 +0000 Message-ID: <D392E1CC.3E982%brady.chang@emc.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.6.4.160422 x-originating-ip: [10.97.69.140] Content-Type: multipart/alternative; boundary="_000_D392E1CC3E982bradychangemccom_" MIME-Version: 1.0 X-Sentrion-Hostname: mailusrhubprd54.lss.emc.com X-RSA-Classifications: public X-Barracuda-Connect: mailuogwdur.emc.com[128.221.224.79] X-Barracuda-Start-Time: 1466791852 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1083 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.02 X-Barracuda-Spam-Status: No, SCORE=0.02 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE, THREAD_INDEX, THREAD_TOPIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30727 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message --_000_D392E1CC3E982bradychangemccom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, Is there a way to find fullpath to the file generated by xfs_irecover ? For example: [root@sdw2 recover]# ls -l 532946 -rw------- 1 root root 33461216 Jun 23 21:07 532946 [root@sdw2 recover]# file 532946 532946: SGI XFS filesystem data (blksz 4096, inosz 256, v2 dirs) Thanks -Brady --_000_D392E1CC3E982bradychangemccom_ Content-Type: text/html; charset="us-ascii" Content-ID: <EC42135312078B499F250DD64A3FFB0F@mail.corp.emc.com> Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= > </head> <body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin= e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami= ly: Calibri, sans-serif; "> <div>Hi,</div> <div>Is there a way to find fullpath to the file generated by x= fs_irecover ?</div> <div> <div><br> </div> <div>For example:</div> <div>[root@sdw2 recover]# ls -l 532946</div> <div>-rw------- 1 root root 33461216 Jun 23 21:07 532946</div> <div>[root@sdw2 recover]# file 532946</div> <div>532946: SGI XFS filesystem data (blksz 4096, inosz 256, v2 dirs)</div> </div> <div><br> </div> <div>Thanks</div> <div>-Brady</div> <div><br> </div> <br> </body> </html> --_000_D392E1CC3E982bradychangemccom_-- From sandeen@redhat.com Fri Jun 24 16:25:02 2016 Return-Path: <sandeen@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 7F8F47CA2 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 16:25:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id F2B1AAC002 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 14:25:01 -0700 (PDT) X-ASG-Debug-ID: 1466803500-04bdf074b56e010001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id xtXEfRsKZEBWrxsA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 14:25:01 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 91827C049D58 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 21:25:00 +0000 (UTC) Received: from [IPv6:::1] (ovpn03.gateway.prod.ext.phx2.redhat.com [10.5.9.3]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5OLOwxd014658 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 24 Jun 2016 17:25:00 -0400 To: xfs-oss <xfs@oss.sgi.com> From: Eric Sandeen <sandeen@redhat.com> Subject: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice Cc: Eryu Guan <eguan@redhat.com> X-ASG-Orig-Subj: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice Message-ID: <13dd3974-956d-c3af-86ed-f6ce5cc1b996@redhat.com> Date: Fri, 24 Jun 2016 16:24:58 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Fri, 24 Jun 2016 21:25:00 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466803500 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2961 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 kernel commit 5ef828c4 xfs: avoid false quotacheck after unclean shutdown made xfs_sb_from_disk() also call xfs_sb_quota_from_disk by default. However, when this was merged to libxfs, existing separate calls to libxfs_sb_quota_from_disk remained, and calling it twice in a row on a V4 superblock leads to issues, because: if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { ... sbp->sb_pquotino = sbp->sb_gquotino; sbp->sb_gquotino = NULLFSINO; and after the second call, we have set both pquotino and gquotino to NULLFSINO. Fix this by making it safe to call twice, and also remove the extra calls to libxfs_sb_quota_from_disk. This is only spotted when running xfstests with "-m crc=0" because the sb_from_disk change came about after V5 became default, and the above behavior only exists on a V4 superblock. Reported-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eric Sandeen <sandeen@redhat.com> --- diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c index 45db6ae..44f3e3e 100644 --- a/libxfs/xfs_sb.c +++ b/libxfs/xfs_sb.c @@ -316,13 +316,16 @@ xfs_sb_quota_from_disk(struct xfs_sb *sbp) XFS_PQUOTA_CHKD : XFS_GQUOTA_CHKD; sbp->sb_qflags &= ~(XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD); - if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { + if (sbp->sb_qflags & XFS_PQUOTA_ACCT && + sbp->sb_gquotino != NULLFSINO) { /* * In older version of superblock, on-disk superblock only * has sb_gquotino, and in-core superblock has both sb_gquotino * and sb_pquotino. But, only one of them is supported at any * point of time. So, if PQUOTA is set in disk superblock, - * copy over sb_gquotino to sb_pquotino. + * copy over sb_gquotino to sb_pquotino. The NULLFSINO test + * above is to make sure we don't do this twice and wipe them + * both out! */ sbp->sb_pquotino = sbp->sb_gquotino; sbp->sb_gquotino = NULLFSINO; diff --git a/repair/sb.c b/repair/sb.c index 3965953..8087242 100644 --- a/repair/sb.c +++ b/repair/sb.c @@ -155,7 +155,6 @@ __find_secondary_sb( for (i = 0; !done && i < bsize; i += BBSIZE) { c_bufsb = (char *)sb + i; libxfs_sb_from_disk(&bufsb, (xfs_dsb_t *)c_bufsb); - libxfs_sb_quota_from_disk(&bufsb); if (verify_sb(c_bufsb, &bufsb, 0) != XR_OK) continue; @@ -568,7 +567,6 @@ get_sb(xfs_sb_t *sbp, xfs_off_t off, int size, xfs_agnumber_t agno) do_error("%s\n", strerror(error)); } libxfs_sb_from_disk(sbp, buf); - libxfs_sb_quota_from_disk(sbp); rval = verify_sb((char *)buf, sbp, agno == 0); free(buf); diff --git a/repair/scan.c b/repair/scan.c index 964ff06..366ce16 100644 --- a/repair/scan.c +++ b/repair/scan.c @@ -1622,7 +1622,6 @@ scan_ag( goto out_free_sb; } libxfs_sb_from_disk(sb, XFS_BUF_TO_SBP(sbbuf)); - libxfs_sb_quota_from_disk(sb); agfbuf = libxfs_readbuf(mp->m_dev, XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)), From sandeen@sandeen.net Fri Jun 24 17:37:14 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6E72E7CA2 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 17:37:14 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 31C388F8037 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 15:37:14 -0700 (PDT) X-ASG-Debug-ID: 1466807831-04cb6c063e152720001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id qDxmj5BBsyEFQngQ for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 15:37:12 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 8D439541 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 17:37:11 -0500 (CDT) Subject: Re: Some xfstests failures on non-crc xfs with latest xfsprogs (v4.5.0-rc1) To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: Some xfstests failures on non-crc xfs with latest xfsprogs (v4.5.0-rc1) References: <20160304112354.GX11419@eguan.usersys.redhat.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <727b405b-7df2-641a-d4d0-24333e003374@sandeen.net> Date: Fri, 24 Jun 2016 17:37:10 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160304112354.GX11419@eguan.usersys.redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1466807831 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1563 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30734 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 3/4/16 5:23 AM, Eryu Guan wrote: > Hi, > > I noticed some xfstests failures while testing v4 XFS with latest > v4.5.0-rc1 xfsprogs on v4.5-rc6 kernel, and all these failures are gone > if I use v3.2.4 xfsprogs, or if test on v5 XFS. > > So either xfstests needs update or xfsprogs breaks something for non-crc > XFS. But I'm not sure which is which, so I post them out for broader > review. > > (All tests are checked with 'MKFS_OPTIONS="-m crc=0" ./check <sometest>') Eryu, sorry you didn't get a reply on this in March. We should have listened! ;) The patches I sent in the pat day or two should fix some of these ... > == 1. xfs/032 fsck failure (xfs_db check) on ppc64 host == but not this one. Do you still see this? > == 2. xfs/033 fsck failure == > > xfs_repair detects more nlinks error. And this happens after commit > "c2c5096 libxfs: update to 3.16 kernel code" this should be fixed by [PATCH] xfs_repair: set rsumino version to 2 > == 3. xfs/108 xfs/196 xfs/261 xfs/244 fsck failure. == this should be fixed by [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice although I'm not sure about the ppc-specific failure. > These tests fail in a similiar way, and they are all quota related. > Note that xfs/244 only fails on ppc64, others fail on all arches. > == 4. xfs/186 xfs/187 attr test failure == > > xfs/186 is missing almost all the attr values. [PATCH] xfs/186: fix test for crc=0, ftype=1 > xfs/187 reports test needs update. Not sure on this one yet. -Eric From david@fromorbit.com Fri Jun 24 17:51:51 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 86A347CA2 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 17:51:51 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 579E38F8037 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 15:51:51 -0700 (PDT) X-ASG-Debug-ID: 1466808708-04cb6c063e152f10001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id tPPaDse7teuoWInR for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 15:51:48 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AiFAA9uG1XEHvHLHlcgz6BU4J2g3meWQEBAQEBAQaMPooQhhIEAgKBLk0BAQEBAQEHAQEBAQEBAQE+QIRNAQEEOhwjEAgDGAkMGQ8FJQMHGhOIL8cRAQEBBwIBJB6FQoUVhH+CbYIvBZkAjiqPLY9+hFYqMokwAQEB Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail06.adl6.internode.on.net with ESMTP; 25 Jun 2016 08:21:46 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bGZww-0001SH-0w; Sat, 25 Jun 2016 08:51:46 +1000 Date: Sat, 25 Jun 2016 08:51:45 +1000 From: Dave Chinner <david@fromorbit.com> To: Danny Shavit <danny@zadarastorage.com> Cc: Eric Sandeen <sandeen@sandeen.net>, xfs-oss <xfs@oss.sgi.com> Subject: Re: xfs metadata overhead Message-ID: <20160624225145.GF12670@dastard> X-ASG-Orig-Subj: Re: xfs metadata overhead References: <CAC=x_0jDYb17Vh97Led7XXDiUMcUTJbpJ2Dw45gn=D0_w0K5VQ@mail.gmail.com> <20160622225117.GX12670@dastard> <CAC=x_0hdvm7SSP8EOAdUwLa-k3a3p7p7CRj8tyCnEx=As7A6jw@mail.gmail.com> <71fbc905-ef05-126a-5c7f-c68c9018763c@sandeen.net> <CAC=x_0hnGQHAenv985+FusWxK_63AatB_XK_mqbAmyt=OxqYrg@mail.gmail.com> <b920a8ec-6410-1daa-809c-04b48db24c0a@sandeen.net> <CAC=x_0g_iktOKOKiRF5Ku7N-PSbCXOR+Amhm577YjNYQaRPjeA@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <CAC=x_0g_iktOKOKiRF5Ku7N-PSbCXOR+Amhm577YjNYQaRPjeA@mail.gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466808708 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 729 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30735 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 24, 2016 at 04:21:39PM +0300, Danny Shavit wrote: > I see. > So using bulk_stat ioctl in similar way to xfs_fsr and summing allocated > size will result with more accurate number? No. du includes *directory blocks* in it's sum. bulkstat only counts inodes, which is not counted by du and is part of the metadata you have already accounted for. Even then, bulkstat doesn't give an accurate account o space used by inodes because they can be sparsely allocated from within inode chunks. Just snapshot the volume, run metadump on the snapshot - it's the fastest, most reliable way to work out how much metadata is in a filesystem right now... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Fri Jun 24 18:00:53 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6E17F7CA2 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 18:00:53 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id DE44BAC003 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 16:00:49 -0700 (PDT) X-ASG-Debug-ID: 1466809246-04cbb02736197010001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id Wa3vAto4VzIZHpbU for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 16:00:47 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AkFACSum1XEHvHLHlcgz6BU4J2g3meWQEBAQEBAQaMPooQhhIEAgKBLk0BAQEBAQEHAQEBAQEBAQE+QIRMAQEBAwE6HCMFCwgDDgoJJQ8FJQMHGhMeiAoHxxEBAQgCJR6FQoUVihsFmQCOKoFziAGFOY9+glwcgV4qMokwAQEB Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail06.adl6.internode.on.net with ESMTP; 25 Jun 2016 08:30:45 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bGa5d-0001Tk-Dm; Sat, 25 Jun 2016 09:00:45 +1000 Date: Sat, 25 Jun 2016 09:00:45 +1000 From: Dave Chinner <david@fromorbit.com> To: Christoph Hellwig <hch@lst.de> Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-ID: <20160624230045.GG12670@dastard> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <20160624072612.GA22205@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160624072612.GA22205@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466809246 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2172 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30735 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 24, 2016 at 09:26:12AM +0200, Christoph Hellwig wrote: > On Fri, Jun 24, 2016 at 09:24:46AM +1000, Dave Chinner wrote: > > Except we did that *intentionally* - by definition there is no > > cache to bypass with DAX and so all IO is "direct". That, combined > > with the fact that all Linux filesystems except XFS break the POSIX > > exclusive writer rule you are quoting to begin with, it seemed > > pointless to enforce it for DAX.... > > No file system breaks the exclusive writer rule - most filesystem > don't make writers atomic vs readers. > > More importantly every other filesystem (well there only are ext2 > and ext4..) exludes DAX writers against other DAX writers. > > > So, before taking any patches to change that behaviour in XFS, a > > wider discussion about the policy needs to be had. I don't think > > we should care about POSIX here - if you have an application that > > needs this serialisation, turn off DAX. That's why I made it a > > per-inode inheritable flag and why the mount option will go away > > over time. > > Sorry, but this is simply broken - allowing apps to opt-in behavior > (e.g. like we're using O_DIRECT) is always fine. Requriring > filesystem-specific tuning that has affect outside the app to get > existing documented behavior is not how to design APIs. Using DAX is an *admin decision*, not an application decision. Indeed, it's a mount option right now, and that's most definitely not something the application can turn on or off! Inode flags allow the admin to decide that two apps working on the same filesystem can use (or not use) DAX independently, rather than needing to put them on different filesystems. > Maybe we'll need to opt-in to use DAX for mmap, but giving the same > existing behavior for read and write and avoiding a copy to the pagecache > is an obvious win. You can't use DAX just for mmap. It's an inode scope behaviour - once it's turned on, all accesses to that inode - regardless of user interface - must use DAX. It's all or nothing, not a per file descript/mmap context option. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Fri Jun 24 18:03:54 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 85DE67CA2 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 18:03:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id E5C81AC002 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 16:03:50 -0700 (PDT) X-ASG-Debug-ID: 1466809427-04cb6c063f153790001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id y4LkFc9fnZSWC0u5 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 16:03:47 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AlFAC/u21XEHvHLHlcgz6BU4J2g3meWQEBAQEBAQaMPooQhhIEAgKBLk0BAQEBAQEHAQEBAQEBAQE+QIRNAQEEIw8BIyMQCAECGAICBRoHAgIPBSUDBxoTiC+ZR50dkC8BAQgCJR5jhF+FFYdBgj0dBZkAjiqPLY9+glwcF4FHKjKJMAEBAQ Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail06.adl6.internode.on.net with ESMTP; 25 Jun 2016 08:33:46 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bGa8Y-0001UD-7z; Sat, 25 Jun 2016 09:03:46 +1000 Date: Sat, 25 Jun 2016 09:03:46 +1000 From: Dave Chinner <david@fromorbit.com> To: Damien Gombault <damien.gombault@recia.fr> Cc: xfs@oss.sgi.com Subject: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed Message-ID: <20160624230346.GH12670@dastard> X-ASG-Orig-Subj: Re: Bug (?) : cumulative xfsrestore does not restore files and folders in a directory which was renamed References: <a08ae222-7654-4a6f-d9ba-f70017784f74@recia.fr> <20160622220959.GV12670@dastard> <20160622222328.GW12670@dastard> <20160623014217.GZ12670@dastard> <eacabe85-cdff-7fbc-8bb6-c8eb51fc0dac@recia.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <eacabe85-cdff-7fbc-8bb6-c8eb51fc0dac@recia.fr> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1466809427 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1120 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30735 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Fri, Jun 24, 2016 at 03:51:57PM +0200, Damien Gombault wrote: > Hi. > > Thank you for the patch. > > The patch fixes simple cases (like my reproducer) but it does not fix > restoration of more complex directory structures : I have tested the > patch on my > real data, it fixes some but not all warnings (a user renamed/moved > a lots of > files and directory between the 2 dumps). > > Here is another testcase which fails (with the patch) : > > mkdir dira > mkdir dira/dirc > touch dira/dirc/filea > mkdir dirb > > . > ├── dira > │ └── dirc > │ └── filea > └── dirb > > Make a level 0 dump. > > mv dirb dira/dirB > mv dira/dirc/ dira/dirB/dirC > touch dira/dirB/dirC/fileb > > . > └── dira > └── dirB > └── dirC > ├── filea > └── fileb Well, yes. I specifically said in the patch description that it doesn't fix those nested dependency cases and that much deeper surgery is needed to handle those cases. Cheers, Dave. -- Dave Chinner david@fromorbit.com From eguan@redhat.com Fri Jun 24 23:44:17 2016 Return-Path: <eguan@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1CE607CA0 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 23:44:17 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id AB03CAC002 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 21:44:13 -0700 (PDT) X-ASG-Debug-ID: 1466829852-04bdf074b583230001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id OAQJE9kuWnir69a4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 21:44:12 -0700 (PDT) X-Barracuda-Envelope-From: eguan@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E165A90906; Sat, 25 Jun 2016 04:44:11 +0000 (UTC) Received: from localhost (dhcp-12-144.nay.redhat.com [10.66.12.144]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5P4iAVb024037; Sat, 25 Jun 2016 00:44:11 -0400 Date: Sat, 25 Jun 2016 12:44:10 +0800 From: Eryu Guan <eguan@redhat.com> To: Eric Sandeen <sandeen@sandeen.net> Cc: xfs@oss.sgi.com Subject: Re: Some xfstests failures on non-crc xfs with latest xfsprogs (v4.5.0-rc1) Message-ID: <20160625044410.GD23649@eguan.usersys.redhat.com> X-ASG-Orig-Subj: Re: Some xfstests failures on non-crc xfs with latest xfsprogs (v4.5.0-rc1) References: <20160304112354.GX11419@eguan.usersys.redhat.com> <727b405b-7df2-641a-d4d0-24333e003374@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <727b405b-7df2-641a-d4d0-24333e003374@sandeen.net> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Sat, 25 Jun 2016 04:44:12 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466829852 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2246 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Jun 24, 2016 at 05:37:10PM -0500, Eric Sandeen wrote: > On 3/4/16 5:23 AM, Eryu Guan wrote: > > Hi, > > > > I noticed some xfstests failures while testing v4 XFS with latest > > v4.5.0-rc1 xfsprogs on v4.5-rc6 kernel, and all these failures are gone > > if I use v3.2.4 xfsprogs, or if test on v5 XFS. > > > > So either xfstests needs update or xfsprogs breaks something for non-crc > > XFS. But I'm not sure which is which, so I post them out for broader > > review. > > > > (All tests are checked with 'MKFS_OPTIONS="-m crc=0" ./check <sometest>') > > Eryu, sorry you didn't get a reply on this in March. We should have > listened! ;) The patches I sent in the pat day or two should Thanks for looking at them! :) > fix some of these ... > > > == 1. xfs/032 fsck failure (xfs_db check) on ppc64 host == > > but not this one. Do you still see this? My recent test with 4.7-rc4 kernel and latest xfsprogs (June 22nd) shows xfs/032 passed on ppc64 host. But I'll retest to be sure. > > > == 2. xfs/033 fsck failure == > > > > xfs_repair detects more nlinks error. And this happens after commit > > "c2c5096 libxfs: update to 3.16 kernel code" > > this should be fixed by > [PATCH] xfs_repair: set rsumino version to 2 > > > == 3. xfs/108 xfs/196 xfs/261 xfs/244 fsck failure. == > > this should be fixed by > [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice > > although I'm not sure about the ppc-specific failure. My recent test on RHEL7 shows xfs/244 is not ppc-specific. I'll retest with latest kernel and xfsprogs on ppc64 and report back. > > > These tests fail in a similiar way, and they are all quota related. > > Note that xfs/244 only fails on ppc64, others fail on all arches. > > > == 4. xfs/186 xfs/187 attr test failure == > > > > xfs/186 is missing almost all the attr values. > > [PATCH] xfs/186: fix test for crc=0, ftype=1 Thanks! I've queued it in fstests next pull request. Thanks, Eryu > > > xfs/187 reports test needs update. > > Not sure on this one yet. > > -Eric > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sandeen@sandeen.net Sat Jun 25 00:21:34 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2DC487CA0 for <xfs@oss.sgi.com>; Sat, 25 Jun 2016 00:21:34 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9CB43AC002 for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 22:21:30 -0700 (PDT) X-ASG-Debug-ID: 1466832087-04cb6c063c161520001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id Q35e6w6F8XHax2qs for <xfs@oss.sgi.com>; Fri, 24 Jun 2016 22:21:27 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.158] (EricSannsiPhone.sandeen.net [10.0.0.158]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 2CE06541; Sat, 25 Jun 2016 00:21:27 -0500 (CDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (1.0) Subject: Re: Some xfstests failures on non-crc xfs with latest xfsprogs (v4.5.0-rc1) From: Eric Sandeen <sandeen@sandeen.net> X-ASG-Orig-Subj: Re: Some xfstests failures on non-crc xfs with latest xfsprogs (v4.5.0-rc1) X-Mailer: iPhone Mail (13F69) In-Reply-To: <20160625044410.GD23649@eguan.usersys.redhat.com> Date: Sat, 25 Jun 2016 00:21:26 -0500 Cc: xfs@oss.sgi.com Content-Transfer-Encoding: 7bit Message-Id: <DFDE1D5E-8FC3-424F-B9B2-3701EA5A339A@sandeen.net> References: <20160304112354.GX11419@eguan.usersys.redhat.com> <727b405b-7df2-641a-d4d0-24333e003374@sandeen.net> <20160625044410.GD23649@eguan.usersys.redhat.com> To: Eryu Guan <eguan@redhat.com> X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1466832087 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1211 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30743 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header > On Jun 24, 2016, at 11:44 PM, Eryu Guan <eguan@redhat.com> wrote: > >> On Fri, Jun 24, 2016 at 05:37:10PM -0500, Eric Sandeen wrote: >>> On 3/4/16 5:23 AM, Eryu Guan wrote: >>> Hi, >>> >>> I noticed some xfstests failures while testing v4 XFS with latest >>> v4.5.0-rc1 xfsprogs on v4.5-rc6 kernel, and all these failures are gone >>> if I use v3.2.4 xfsprogs, or if test on v5 XFS. >>> >>> So either xfstests needs update or xfsprogs breaks something for non-crc >>> XFS. But I'm not sure which is which, so I post them out for broader >>> review. >>> >>> (All tests are checked with 'MKFS_OPTIONS="-m crc=0" ./check <sometest>') >> >> Eryu, sorry you didn't get a reply on this in March. We should have >> listened! ;) The patches I sent in the pat day or two should > > Thanks for looking at them! :) > >> fix some of these ... >> >>> == 1. xfs/032 fsck failure (xfs_db check) on ppc64 host == >> >> but not this one. Do you still see this? > > My recent test with 4.7-rc4 kernel and latest xfsprogs (June 22nd) shows > xfs/032 passed on ppc64 host. But I'll retest to be sure. I wasn't thinking. Brian's recent sparse inode patches fix this one. Eric From eguan@redhat.com Sat Jun 25 04:09:16 2016 Return-Path: <eguan@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0EDF97CA0 for <xfs@oss.sgi.com>; Sat, 25 Jun 2016 04:09:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id D322F304039 for <xfs@oss.sgi.com>; Sat, 25 Jun 2016 02:09:12 -0700 (PDT) X-ASG-Debug-ID: 1466845750-04cbb027351b5620001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id WhyYrHlzy0UQVoyt (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Sat, 25 Jun 2016 02:09:11 -0700 (PDT) X-Barracuda-Envelope-From: eguan@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8269364094; Sat, 25 Jun 2016 09:09:10 +0000 (UTC) Received: from localhost (dhcp-12-144.nay.redhat.com [10.66.12.144]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5P999MB004501; Sat, 25 Jun 2016 05:09:09 -0400 Date: Sat, 25 Jun 2016 17:09:08 +0800 From: Eryu Guan <eguan@redhat.com> To: Eric Sandeen <sandeen@sandeen.net> Cc: xfs@oss.sgi.com Subject: Re: Some xfstests failures on non-crc xfs with latest xfsprogs (v4.5.0-rc1) Message-ID: <20160625090908.GE23649@eguan.usersys.redhat.com> X-ASG-Orig-Subj: Re: Some xfstests failures on non-crc xfs with latest xfsprogs (v4.5.0-rc1) References: <20160304112354.GX11419@eguan.usersys.redhat.com> <727b405b-7df2-641a-d4d0-24333e003374@sandeen.net> <20160625044410.GD23649@eguan.usersys.redhat.com> <DFDE1D5E-8FC3-424F-B9B2-3701EA5A339A@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <DFDE1D5E-8FC3-424F-B9B2-3701EA5A339A@sandeen.net> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Sat, 25 Jun 2016 09:09:10 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1466845751 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1495 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Sat, Jun 25, 2016 at 12:21:26AM -0500, Eric Sandeen wrote: > > > On Jun 24, 2016, at 11:44 PM, Eryu Guan <eguan@redhat.com> wrote: > > > >> On Fri, Jun 24, 2016 at 05:37:10PM -0500, Eric Sandeen wrote: > >>> On 3/4/16 5:23 AM, Eryu Guan wrote: > >>> Hi, > >>> > >>> I noticed some xfstests failures while testing v4 XFS with latest > >>> v4.5.0-rc1 xfsprogs on v4.5-rc6 kernel, and all these failures are gone > >>> if I use v3.2.4 xfsprogs, or if test on v5 XFS. > >>> > >>> So either xfstests needs update or xfsprogs breaks something for non-crc > >>> XFS. But I'm not sure which is which, so I post them out for broader > >>> review. > >>> > >>> (All tests are checked with 'MKFS_OPTIONS="-m crc=0" ./check <sometest>') > >> > >> Eryu, sorry you didn't get a reply on this in March. We should have > >> listened! ;) The patches I sent in the pat day or two should > > > > Thanks for looking at them! :) > > > >> fix some of these ... > >> > >>> == 1. xfs/032 fsck failure (xfs_db check) on ppc64 host == > >> > >> but not this one. Do you still see this? > > > > My recent test with 4.7-rc4 kernel and latest xfsprogs (June 22nd) shows > > xfs/032 passed on ppc64 host. But I'll retest to be sure. > > I wasn't thinking. Brian's recent sparse inode patches fix this one. Confirmed xfsprogs v4.7-rc1 passed the test. And xfs/244 is not ppc-specific, x86_64 fails it either. I think your patch could fix it as well. Thanks, Eryu From s.priebe@profihost.ag Sun Jun 26 00:44:31 2016 Return-Path: <s.priebe@profihost.ag> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 27D737CA0 for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 00:44:31 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id B49DFAC003 for <xfs@oss.sgi.com>; Sat, 25 Jun 2016 22:44:27 -0700 (PDT) X-ASG-Debug-ID: 1466919862-04bdf074b4d0150001-NocioJ Received: from cloud1-vm154.de-nserver.de (cloud1-vm154.de-nserver.de [178.250.10.56]) by cuda.sgi.com with ESMTP id M0QmxeV8Z8a2d02v (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Sat, 25 Jun 2016 22:44:24 -0700 (PDT) X-Barracuda-Envelope-From: s.priebe@profihost.ag X-Barracuda-Effective-Source-IP: cloud1-vm154.de-nserver.de[178.250.10.56] X-Barracuda-Apparent-Source-IP: 178.250.10.56 Received: (qmail 6276 invoked from network); 26 Jun 2016 07:44:22 +0200 X-Fcrdns: No Received: from phoffice.de-nserver.de (HELO [10.242.2.3]) (185.39.223.5) (smtp-auth username s.priebe@profihost.ag, mechanism plain) by cloud1-vm154.de-nserver.de (qpsmtpd/0.92) with (ECDHE-RSA-AES256-SHA encrypted) ESMTPSA; Sun, 26 Jun 2016 07:44:22 +0200 Subject: Re: xfs trace in 4.4.2 / also in 4.3.3 WARNING fs/xfs/xfs_aops.c:1232 xfs_vm_releasepage To: Dave Chinner <david@fromorbit.com> X-ASG-Orig-Subj: Re: xfs trace in 4.4.2 / also in 4.3.3 WARNING fs/xfs/xfs_aops.c:1232 xfs_vm_releasepage References: <20160324122417.GB4068@bfoster.bfoster> <57332508.307@profihost.ag> <20160511133417.GA42410@bfoster.bfoster> <57333BA4.4040402@profihost.ag> <20160511155951.GF42410@bfoster.bfoster> <5738576B.4010208@profihost.ag> <20160515115017.GA6433@laptop.bfoster> <57386E84.3090606@profihost.ag> <20160516010602.GA24980@bfoster.bfoster> <57420A47.2000700@profihost.ag> <20160522213850.GE26977@dastard> <5751C4B8.2080301@profihost.ag> Cc: Brian Foster <bfoster@redhat.com>, "xfs-masters@oss.sgi.com" <xfs-masters@oss.sgi.com>, "xfs@oss.sgi.com" <xfs@oss.sgi.com> From: Stefan Priebe <s.priebe@profihost.ag> Message-ID: <576F6BE7.80605@profihost.ag> Date: Sun, 26 Jun 2016 07:45:11 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 MIME-Version: 1.0 In-Reply-To: <5751C4B8.2080301@profihost.ag> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-User-Auth: Auth by s.priebe@profihost.ag through 185.39.223.5 X-Barracuda-Connect: cloud1-vm154.de-nserver.de[178.250.10.56] X-Barracuda-Start-Time: 1466919863 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9812 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30767 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header Hi Dave, today i got this XFS trace while running 4.4.13. I'm not sure if it is related. [282732.262739] ------------[ cut here ]------------ [282732.264093] kernel BUG at fs/xfs/xfs_aops.c:1054! [282732.265459] invalid opcode: 0000 [#1] SMP [282732.266753] Modules linked in: netconsole xt_multiport iptable_filter ip_tables x_tables bonding coretemp 8021q garp fuse sb_edac edac_core xhci_pci i40e(O) xhci_hcd i2c_i801 vxlan shpchp ip6_udp_tunnel udp_tunnel ipmi_si ipmi_msghandler button btrfs xor raid6_pq dm_mod raid1 md_mod usbhid usb_storage ohci_hcd sg sd_mod ehci_pci ehci_hcd usbcore usb_common ahci libahci igb i2c_algo_bit mpt3sas i2c_core raid_class ptp pps_core scsi_transport_sas [282732.280494] CPU: 2 PID: 108 Comm: kswapd0 Tainted: G O 4.4.13+36-ph #1 [282732.282707] Hardware name: Supermicro Super Server/X10SRH-CF, BIOS 2.0 12/17/2015 [282732.284873] task: ffff880c4d9ba500 ti: ffff880c4da28000 task.ti: ffff880c4da28000 [282732.287038] RIP: 0010:[<ffffffff943267f1>] [<ffffffff943267f1>] xfs_vm_writepage+0x561/0x5c0 [282732.289554] RSP: 0018:ffff880c4da2b8e8 EFLAGS: 00010246 [282732.291095] RAX: 001fffff80020009 RBX: ffffea000186de80 RCX: 000000000000000c [282732.293161] RDX: 0000000000001800 RSI: ffff880c4da2b9b8 RDI: ffffea000186de80 [282732.295255] RBP: ffff880c4da2b9a8 R08: 0000000000000003 R09: 7fffffffffffffff [282732.297340] R10: ffff880c7ffdc6c0 R11: 0000000000000000 R12: ffffea000186de80 [282732.299405] R13: ffff88001ea855d0 R14: ffff880c4da2bad8 R15: ffffea000186dea0 [282732.301472] FS: 0000000000000000(0000) GS:ffff880c7fc40000(0000) knlGS:0000000000000000 [282732.303811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [282732.305480] CR2: ffffffffff600400 CR3: 0000000014c0a000 CR4: 00000000001406e0 [282732.307545] Stack: [282732.308142] ffff8806c1e980e0 ffff880c442dc800 ffff880100000001 0000000100042000 [282732.310482] ffffea00016db240 ffff880c4da2b968 0000000001800000 ffff880c4da2b9b8 [282732.312822] 0000000000001000 0000000000297000 0000000000000000 0000000000000246 [282732.315161] Call Trace: [282732.315890] [<ffffffff9415c72e>] ? clear_page_dirty_for_io+0xee/0x1b0 [282732.317782] [<ffffffff94163974>] pageout.isra.43+0x164/0x280 [282732.319449] [<ffffffff94165f4a>] shrink_page_list+0x5ba/0x760 [282732.321143] [<ffffffff941667ce>] shrink_inactive_list+0x1ee/0x500 [282732.322934] [<ffffffff941674e1>] shrink_lruvec+0x621/0x7d0 [282732.324554] [<ffffffff9416776c>] shrink_zone+0xdc/0x2c0 [282732.326096] [<ffffffff941688b9>] kswapd+0x4f9/0x970 [282732.327541] [<ffffffff941683c0>] ? mem_cgroup_shrink_node_zone+0x1a0/0x1a0 [282732.329561] [<ffffffff940a0dc9>] kthread+0xc9/0xe0 [282732.330979] [<ffffffff940a0d00>] ? kthread_stop+0x100/0x100 [282732.332623] [<ffffffff946b470f>] ret_from_fork+0x3f/0x70 [282732.334191] [<ffffffff940a0d00>] ? kthread_stop+0x100/0x100 [282732.404901] Code: f8 f5 74 a3 4c 89 e7 89 85 50 ff ff ff e8 38 e8 ff ff f0 41 80 24 24 f7 4c 89 e7 e8 3a bf e2 ff 8b 85 50 ff ff ff e9 39 fd ff ff <0f> 0b 80 3d 04 fc 9c 00 00 0f 85 6d ff ff ff be d6 03 00 00 48 [282732.556398] RIP [<ffffffff943267f1>] xfs_vm_writepage+0x561/0x5c0 [282732.630207] RSP <ffff880c4da2b8e8> [282732.703062] ---[ end trace 9ea1afce9e126cdc ]--- [282732.842462] ------------[ cut here ]------------ [282732.914729] WARNING: CPU: 2 PID: 108 at kernel/exit.c:661 do_exit+0x50/0xab0() [282732.989039] Modules linked in: netconsole xt_multiport iptable_filter ip_tables x_tables bonding coretemp 8021q garp fuse sb_edac edac_core xhci_pci i40e(O) xhci_hcd i2c_i801 vxlan shpchp ip6_udp_tunnel udp_tunnel ipmi_si ipmi_msghandler button btrfs xor raid6_pq dm_mod raid1 md_mod usbhid usb_storage ohci_hcd sg sd_mod ehci_pci ehci_hcd usbcore usb_common ahci libahci igb i2c_algo_bit mpt3sas i2c_core raid_class ptp pps_core scsi_transport_sas [282733.306619] CPU: 2 PID: 108 Comm: kswapd0 Tainted: G D O 4.4.13+36-ph #1 [282733.386805] Hardware name: Supermicro Super Server/X10SRH-CF, BIOS 2.0 12/17/2015 [282733.467585] 0000000000000000 ffff880c4da2b5d8 ffffffff943c60ff 0000000000000000 [282733.547861] ffffffff94a330a8 ffff880c4da2b618 ffffffff940837a7 ffff880c4da2b838 [282733.626144] 000000000000000b ffff880c4da2b838 0000000000000246 ffff880c4d9ba500 [282733.702723] Call Trace: [282733.776298] [<ffffffff943c60ff>] dump_stack+0x63/0x84 [282733.849877] [<ffffffff940837a7>] warn_slowpath_common+0x97/0xe0 [282733.922917] [<ffffffff9408380a>] warn_slowpath_null+0x1a/0x20 [282733.994640] [<ffffffff94085a90>] do_exit+0x50/0xab0 [282734.064858] [<ffffffff94008a02>] oops_end+0xa2/0xe0 [282734.133974] [<ffffffff94008b88>] die+0x58/0x80 [282734.202270] [<ffffffff94005ba9>] do_trap+0x69/0x150 [282734.269913] [<ffffffff940a1bc2>] ? __atomic_notifier_call_chain+0x12/0x20 [282734.337974] [<ffffffff94005d5d>] do_error_trap+0xcd/0xf0 [282734.406008] [<ffffffff943267f1>] ? xfs_vm_writepage+0x561/0x5c0 [282734.474472] [<ffffffff9439c334>] ? generic_make_request+0x104/0x190 [282734.542216] [<ffffffff94006000>] do_invalid_op+0x20/0x30 [282734.609276] [<ffffffff946b5e8e>] invalid_op+0x1e/0x30 [282734.675516] [<ffffffff943267f1>] ? xfs_vm_writepage+0x561/0x5c0 [282734.741307] [<ffffffff94326528>] ? xfs_vm_writepage+0x298/0x5c0 [282734.805722] [<ffffffff9415c72e>] ? clear_page_dirty_for_io+0xee/0x1b0 [282734.870589] [<ffffffff94163974>] pageout.isra.43+0x164/0x280 [282734.934901] [<ffffffff94165f4a>] shrink_page_list+0x5ba/0x760 [282734.998565] [<ffffffff941667ce>] shrink_inactive_list+0x1ee/0x500 [282735.061845] [<ffffffff941674e1>] shrink_lruvec+0x621/0x7d0 [282735.124441] [<ffffffff9416776c>] shrink_zone+0xdc/0x2c0 [282735.186752] [<ffffffff941688b9>] kswapd+0x4f9/0x970 [282735.249021] [<ffffffff941683c0>] ? mem_cgroup_shrink_node_zone+0x1a0/0x1a0 [282735.312215] [<ffffffff940a0dc9>] kthread+0xc9/0xe0 [282735.375420] [<ffffffff940a0d00>] ? kthread_stop+0x100/0x100 [282735.439012] [<ffffffff946b470f>] ret_from_fork+0x3f/0x70 [282735.502368] [<ffffffff940a0d00>] ? kthread_stop+0x100/0x100 [282735.565534] ---[ end trace 9ea1afce9e126cdd ]--- Stefan Am 03.06.2016 um 19:56 schrieb Stefan Priebe - Profihost AG: > Hi, > > should i remove the complete if conditions incl. the return 0 or should > id convert it to if without WARN_ONCE? like below? > > if (WARN_ON_ONCE(delalloc)) > return 0; > if (WARN_ON_ONCE(unwritten)) > return 0; > > => > > if (delalloc) > return 0; > if (unwritten) > return 0; > > > > Am 22.05.2016 um 23:38 schrieb Dave Chinner: >> On Sun, May 22, 2016 at 09:36:39PM +0200, Stefan Priebe - Profihost AG wrote: >>> Am 16.05.2016 um 03:06 schrieb Brian Foster: >>>>> sd_mod ehci_pci ehci_hcd usbcore usb_common igb ahci i2c_algo_bit libahci >>>>> i2c_core ptp mpt3sas pps_core raid_class scsi_transport_sas >>>>> [Sun May 15 07:00:44 2016] CPU: 2 PID: 108 Comm: kswapd0 Tainted: G O >>>>> 4.4.10+25-ph #1 >>>> >>>> How close is this to an upstream kernel? Upstream XFS? Have you tried to >>>> reproduce this on an upstream kernel? >>> >>> It's a vanilla 4.4.10 + a new adaptec driver and some sched and wq >>> patches from 4.5 and 4.6 but i can try to replace the kernel on one >>> machine with a 100% vanilla one if this helps. >> >> Please do. >> >>>>> [295086.353473] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>>> 0x52000 size 0x13d1c8 >>>>> [295086.353476] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>>> 0x53000 size 0x13d1c8 >>>>> [295086.353478] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>>> 0x54000 size 0x13d1c8 >>>> ... >>>>> [295086.567508] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>>> 0xab000 size 0x13d1c8 >>>>> [295086.567510] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>>> 0xac000 size 0x13d1c8 >>>>> [295086.567515] XFS (md127p3): ino 0x600204f delalloc 1 unwritten 0 pgoff >>>>> 0xad000 size 0x13d1c8 >>>>> >>>>> The file to the inode number is: >>>>> /var/lib/apt/lists/security.debian.org_dists_wheezy_updates_main_i18n_Translation-en >>>>> >>>> >>>> xfs_bmap -v might be interesting here as well. >>> >>> # xfs_bmap -v >>> /var/lib/apt/lists/security.debian.org_dists_wheezy_updates_main_i18n_Translation-en >>> /var/lib/apt/lists/security.debian.org_dists_wheezy_updates_main_i18n_Translation-en: >>> EXT: FILE-OFFSET BLOCK-RANGE AG AG-OFFSET TOTAL >>> 0: [0..2567]: 41268928..41271495 3 (374464..377031) 2568 >> >> So the last file offset with a block is 0x140e00. This means the >> file is fully allocated. However, the pages inside the file range >> are still marked delayed allocation. That implies that we've failed >> to write the pages over a delayed allocation region after we've >> allocated the space. >> >> That, in turn, tends to indicate a problem in page writeback - the >> first page to be written has triggered delayed allocation of the >> entire range, but then the subsequent pages have not been written >> (for some as yet unknown reason). When a page is written, we map it >> to the current block via xfs_map_at_offset(), and that clears both >> the buffer delay and unwritten flags. >> >> This clearly isn't happening which means either the VFS doesn't >> think the inode is dirty anymore, writeback is never asking for >> these pages to be written, or XFs is screwing something up in >> ->writepage. The XFS writepage code changed significantly in 4.6, so >> it might be worth seeing if a 4.6 kernel reproduces this same >> problem.... >> >> Cheers, >> >> Dave. >> From regressions@leemhuis.info Sun Jun 26 07:16:27 2016 Return-Path: <regressions@leemhuis.info> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B36E67CA0 for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 07:16:27 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 802A48F8037 for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 05:16:27 -0700 (PDT) X-ASG-Debug-ID: 1466943380-04cbb02736212810001-NocioJ Received: from basicbox7.server-home.net (basicbox7.server-home.net [195.137.212.29]) by cuda.sgi.com with ESMTP id iQKBWGS7ebYpSNm1 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 05:16:21 -0700 (PDT) X-Barracuda-Envelope-From: regressions@leemhuis.info X-Barracuda-Effective-Source-IP: basicbox7.server-home.net[195.137.212.29] X-Barracuda-Apparent-Source-IP: 195.137.212.29 Received: from ankhmorpork.fritz.box (ip4d15e046.dynamic.kabel-deutschland.de [77.21.224.70]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by basicbox7.server-home.net (Postfix) with ESMTPSA id B7B7E5EE7E6; Sun, 26 Jun 2016 14:16:19 +0200 (CEST) Subject: Re: Internal error xfs_trans_cancel To: Daniel Wagner <wagi@monom.org>, Dave Chinner <david@fromorbit.com> X-ASG-Orig-Subj: Re: Internal error xfs_trans_cancel References: <ab487269-a423-e3dc-6f59-3dda004960c3@monom.org> <20160601071047.GJ12670@dastard> <e80cee4f-1789-5418-ffa8-7551138bda0a@monom.org> <0644b434-6cea-4188-9702-469c26d191b8@monom.org> <20160602002653.GL12670@dastard> <af997005-e144-5509-885c-a688562ea3ec@monom.org> <20160602063539.GM12670@dastard> <a933729c-afa8-3cc1-6fe4-5f49b9629326@monom.org> Cc: linux-fsdevel@vger.kernel.org, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, xfs@oss.sgi.com, Josh Poimboeuf <jpoimboe@redhat.com> From: Thorsten Leemhuis <regressions@leemhuis.info> Message-ID: <a738e82e-ffa5-53e0-ba58-a85a1254baf3@leemhuis.info> Date: Sun, 26 Jun 2016 14:16:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <a933729c-afa8-3cc1-6fe4-5f49b9629326@monom.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: basicbox7.server-home.net[195.137.212.29] X-Barracuda-Start-Time: 1466943381 X-Barracuda-Encrypted: DHE-RSA-AES256-SHA X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 928 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=ADVANCE_FEE_1, BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30774 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 ADVANCE_FEE_1 Appears to be advance fee fraud (Nigerian 419) On 02.06.2016 15:29, Daniel Wagner wrote: >> Hmmm, Ok. I've been running the lockperf test and kernel builds all >> day on a filesystem that is identical in shape and size to yours >> (i.e. xfs_info output is the same) but I haven't reproduced it yet. > I don't know if that is important: I run the lockperf test and after > they have finished I do a kernel build. > >> Is it possible to get a metadump image of your filesystem to see if >> I can reproduce it on that? > Sure, see private mail. Dave, Daniel, what's the latest status on this issue? It made it to my list of know 4.7 regressions after Christoph suggested it should be listed. But this thread looks stalled, as afaics nothing happened for three weeks apart from Josh (added to CC) mentioning he also saw it. Or is this discussed elsewhere? Or fixed already? Sincerely, your regression tracker for Linux 4.7 (http://bit.ly/28JRmJo) Thorsten From wagi@monom.org Sun Jun 26 10:13:42 2016 Return-Path: <wagi@monom.org> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D9D607CA0 for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 10:13:42 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9B7598F8033 for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 08:13:39 -0700 (PDT) X-ASG-Debug-ID: 1466954016-04cbb0273621b220001-NocioJ Received: from hotel311.server4you.de (hotel311.server4you.de [85.25.146.15]) by cuda.sgi.com with ESMTP id hDS6khOZOxQpOBBH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 08:13:37 -0700 (PDT) X-Barracuda-Envelope-From: wagi@monom.org X-Barracuda-Effective-Source-IP: hotel311.server4you.de[85.25.146.15] X-Barracuda-Apparent-Source-IP: 85.25.146.15 Received: from hotel311.server4you.de (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id 2C60F194074F; Sun, 26 Jun 2016 17:13:35 +0200 (CEST) Received: from handman.bmw-carit.intra (ppp-88-217-121-67.dynamic.mnet-online.de [88.217.121.67]) by hotel311.server4you.de (Postfix) with ESMTPSA id 8B5AF19406B1; Sun, 26 Jun 2016 17:13:34 +0200 (CEST) Subject: Re: Internal error xfs_trans_cancel To: Thorsten Leemhuis <regressions@leemhuis.info>, Dave Chinner <david@fromorbit.com> X-ASG-Orig-Subj: Re: Internal error xfs_trans_cancel References: <ab487269-a423-e3dc-6f59-3dda004960c3@monom.org> <20160601071047.GJ12670@dastard> <e80cee4f-1789-5418-ffa8-7551138bda0a@monom.org> <0644b434-6cea-4188-9702-469c26d191b8@monom.org> <20160602002653.GL12670@dastard> <af997005-e144-5509-885c-a688562ea3ec@monom.org> <20160602063539.GM12670@dastard> <a933729c-afa8-3cc1-6fe4-5f49b9629326@monom.org> <a738e82e-ffa5-53e0-ba58-a85a1254baf3@leemhuis.info> Cc: linux-fsdevel@vger.kernel.org, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, xfs@oss.sgi.com, Josh Poimboeuf <jpoimboe@redhat.com> From: Daniel Wagner <wagi@monom.org> X-Enigmail-Draft-Status: N1110 Message-ID: <af4706ea-0129-1692-e354-0bd08fabd255@monom.org> Date: Sun, 26 Jun 2016 17:13:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: <a738e82e-ffa5-53e0-ba58-a85a1254baf3@leemhuis.info> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: hotel311.server4you.de[85.25.146.15] X-Barracuda-Start-Time: 1466954017 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1277 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=ADVANCE_FEE_1, BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30777 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 ADVANCE_FEE_1 Appears to be advance fee fraud (Nigerian 419) On 06/26/2016 02:16 PM, Thorsten Leemhuis wrote: > On 02.06.2016 15:29, Daniel Wagner wrote: >>> Hmmm, Ok. I've been running the lockperf test and kernel builds all >>> day on a filesystem that is identical in shape and size to yours >>> (i.e. xfs_info output is the same) but I haven't reproduced it yet. >> I don't know if that is important: I run the lockperf test and after >> they have finished I do a kernel build. >> >>> Is it possible to get a metadump image of your filesystem to see if >>> I can reproduce it on that? >> Sure, see private mail. > > Dave, Daniel, what's the latest status on this issue? I had no time to do some more testing in last couple of weeks. Tomorrow I'll try to reproduce it again, though last time I tried it couldn't trigger it. > It made it to my > list of know 4.7 regressions after Christoph suggested it should be > listed. But this thread looks stalled, as afaics nothing happened for > three weeks apart from Josh (added to CC) mentioning he also saw it. Or > is this discussed elsewhere? Or fixed already? The discussion wandered over to the thread called 'crash in xfs in current' and there are some instruction by Al what to do test Message-ID: <20160622014253.GS12670@dastard> cheers, daniel From jaonary@free.fr Sun Jun 26 17:54:26 2016 Return-Path: <jaonary@free.fr> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: ** X-Spam-Status: No, score=2.6 required=5.0 tests=EMPTY_MESSAGE,FREEMAIL_FROM, HTML_MESSAGE,MIME_HTML_MOSTLY autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2C3447CA0 for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 17:54:26 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id ABAF0AC003 for <xfs@oss.sgi.com>; Sun, 26 Jun 2016 15:54:25 -0700 (PDT) X-ASG-Debug-ID: 1466981655-04bdf074b5fce80001-NocioJ Received: from server.vieiragroup.com ([192.163.228.28]) by cuda.sgi.com with ESMTP id zWGszxinog6o8ExX (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; 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Bitte= kontaktieren Sie uns Anspr=C3=BCche E-mail ggservicio@qq.com Herzliche Gr=C3=BC=C3=9Fe Anne Girolamo ADMIN-LDN --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus From cmaiolino@redhat.com Mon Jun 27 04:46:25 2016 Return-Path: <cmaiolino@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D1A2B7CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 04:46:25 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id A19D8304048 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 02:46:25 -0700 (PDT) X-ASG-Debug-ID: 1467020783-04cb6c063e1d2b70001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id Y3yZcAxICk6bmw1W (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 02:46:24 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8F6BC71096; Mon, 27 Jun 2016 09:46:23 +0000 (UTC) Received: from redhat.com (vpn-63-153.rdu2.redhat.com [10.10.63.153]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5R9kJnO025957 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 27 Jun 2016 05:46:22 -0400 Date: Mon, 27 Jun 2016 11:46:19 +0200 From: Carlos Maiolino <cmaiolino@redhat.com> To: "Chang, Brady" <Brady.Chang@emc.com> Cc: "xfs@oss.sgi.com" <xfs@oss.sgi.com> Subject: Re: xfs_irecover question Message-ID: <20160627094619.GB29774@redhat.com> X-ASG-Orig-Subj: Re: xfs_irecover question Mail-Followup-To: "Chang, Brady" <Brady.Chang@emc.com>, "xfs@oss.sgi.com" <xfs@oss.sgi.com> References: <D392E1CC.3E982%brady.chang@emc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <D392E1CC.3E982%brady.chang@emc.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 27 Jun 2016 09:46:23 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467020784 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1181 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Jun 24, 2016 at 06:10:38PM +0000, Chang, Brady wrote: > Hi, > > Is there a way to find fullpath to the file generated by xfs_irecover > ? I'm not a user of xfs_irecover, but, giving how inodes are deleted, I doubt you will be able to recover the fullpath in some way. While we don't delete inodes from the lists and make them usable for future files, this is not the same for directory entries. The directory entry is removed from the directory, and there is nothing that can link the inode to its directory entry (or entries) after the file is deleted. Somebody with more expertise on it might give a final POV, but I doubt you would be able to recover the directory entries pointing to the inode, once the file is deleted. > > For example: > [root@sdw2 recover]# ls -l 532946 > -rw------- 1 root root 33461216 Jun 23 21:07 532946 > [root@sdw2 recover]# file 532946 > 532946: SGI XFS filesystem data (blksz 4096, inosz 256, v2 dirs) > > Thanks > > -Brady > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From cmaiolino@redhat.com Mon Jun 27 04:49:02 2016 Return-Path: <cmaiolino@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id F30A47CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 04:49:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id C1F17304039 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 02:49:01 -0700 (PDT) X-ASG-Debug-ID: 1467020940-04cbb0273725b920001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id UERgCTaW6KXr1FPz (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 02:49:00 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 19CA07F080 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 09:49:00 +0000 (UTC) Received: from redhat.com (vpn-63-153.rdu2.redhat.com [10.10.63.153]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5R9mua7003259 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 27 Jun 2016 05:48:58 -0400 Date: Mon, 27 Jun 2016 11:48:55 +0200 From: Carlos Maiolino <cmaiolino@redhat.com> To: Eric Sandeen <sandeen@redhat.com> Cc: xfs-oss <xfs@oss.sgi.com>, Eryu Guan <eguan@redhat.com> Subject: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice Message-ID: <20160627094855.GC29774@redhat.com> X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice Mail-Followup-To: Eric Sandeen <sandeen@redhat.com>, xfs-oss <xfs@oss.sgi.com>, Eryu Guan <eguan@redhat.com> References: <13dd3974-956d-c3af-86ed-f6ce5cc1b996@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <13dd3974-956d-c3af-86ed-f6ce5cc1b996@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Mon, 27 Jun 2016 09:49:00 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467020940 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3523 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Jun 24, 2016 at 04:24:58PM -0500, Eric Sandeen wrote: > kernel commit 5ef828c4 > xfs: avoid false quotacheck after unclean shutdown > > made xfs_sb_from_disk() also call xfs_sb_quota_from_disk > by default. > > However, when this was merged to libxfs, existing separate > calls to libxfs_sb_quota_from_disk remained, and calling it > twice in a row on a V4 superblock leads to issues, because: > > > if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { > ... > sbp->sb_pquotino = sbp->sb_gquotino; > sbp->sb_gquotino = NULLFSINO; > > and after the second call, we have set both pquotino and gquotino > to NULLFSINO. > > Fix this by making it safe to call twice, and also remove the extra > calls to libxfs_sb_quota_from_disk. > > This is only spotted when running xfstests with "-m crc=0" because > the sb_from_disk change came about after V5 became default, and > the above behavior only exists on a V4 superblock. > > Reported-by: Eryu Guan <eguan@redhat.com> > Signed-off-by: Eric Sandeen <sandeen@redhat.com> > --- > > > diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c > index 45db6ae..44f3e3e 100644 > --- a/libxfs/xfs_sb.c > +++ b/libxfs/xfs_sb.c > @@ -316,13 +316,16 @@ xfs_sb_quota_from_disk(struct xfs_sb *sbp) > XFS_PQUOTA_CHKD : XFS_GQUOTA_CHKD; > sbp->sb_qflags &= ~(XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD); > > - if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { > + if (sbp->sb_qflags & XFS_PQUOTA_ACCT && > + sbp->sb_gquotino != NULLFSINO) { Although I agree with this check, shouldn't we report some sort of error when it happens? Once, it's not supposed to happen, and, might be a sign of corruption? Cheers > /* > * In older version of superblock, on-disk superblock only > * has sb_gquotino, and in-core superblock has both sb_gquotino > * and sb_pquotino. But, only one of them is supported at any > * point of time. So, if PQUOTA is set in disk superblock, > - * copy over sb_gquotino to sb_pquotino. > + * copy over sb_gquotino to sb_pquotino. The NULLFSINO test > + * above is to make sure we don't do this twice and wipe them > + * both out! > */ > sbp->sb_pquotino = sbp->sb_gquotino; > sbp->sb_gquotino = NULLFSINO; > diff --git a/repair/sb.c b/repair/sb.c > index 3965953..8087242 100644 > --- a/repair/sb.c > +++ b/repair/sb.c > @@ -155,7 +155,6 @@ __find_secondary_sb( > for (i = 0; !done && i < bsize; i += BBSIZE) { > c_bufsb = (char *)sb + i; > libxfs_sb_from_disk(&bufsb, (xfs_dsb_t *)c_bufsb); > - libxfs_sb_quota_from_disk(&bufsb); > > if (verify_sb(c_bufsb, &bufsb, 0) != XR_OK) > continue; > @@ -568,7 +567,6 @@ get_sb(xfs_sb_t *sbp, xfs_off_t off, int size, xfs_agnumber_t agno) > do_error("%s\n", strerror(error)); > } > libxfs_sb_from_disk(sbp, buf); > - libxfs_sb_quota_from_disk(sbp); > > rval = verify_sb((char *)buf, sbp, agno == 0); > free(buf); > diff --git a/repair/scan.c b/repair/scan.c > index 964ff06..366ce16 100644 > --- a/repair/scan.c > +++ b/repair/scan.c > @@ -1622,7 +1622,6 @@ scan_ag( > goto out_free_sb; > } > libxfs_sb_from_disk(sb, XFS_BUF_TO_SBP(sbbuf)); > - libxfs_sb_quota_from_disk(sb); > > agfbuf = libxfs_readbuf(mp->m_dev, > XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)), > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From sinnsonys@yandex.com Mon Jun 27 05:52:32 2016 Return-Path: <sinnsonys@yandex.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM, T_FILL_THIS_FORM_SHORT autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AAA587CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 05:52:32 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7C3E08F8035 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 03:52:29 -0700 (PDT) X-ASG-Debug-ID: 1467024747-04cbb02738260620001-NocioJ Received: from 681818.com ([192.210.174.196]) by cuda.sgi.com with ESMTP id DspsxjE13rc9SaB5 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 03:52:27 -0700 (PDT) X-Barracuda-Envelope-From: sinnsonys@yandex.com X-Barracuda-Effective-Source-IP: UNKNOWN[192.210.174.196] X-Barracuda-Apparent-Source-IP: 192.210.174.196 To: xfs@oss.sgi.com Subject: interested in becoming our distributor? 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Thanks, Roy Parker From bfoster@redhat.com Mon Jun 27 08:15:04 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 564127CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 08:15:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 93307AC002 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 06:15:00 -0700 (PDT) X-ASG-Debug-ID: 1467033296-04cbb027362720f0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id sB85e4Kv4jHCppFp (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 06:14:57 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4D5F77F09C; Mon, 27 Jun 2016 13:14:56 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-2.bos.redhat.com [10.18.41.2]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5RDEtSL015825; Mon, 27 Jun 2016 09:14:55 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 9FC261201DB; Mon, 27 Jun 2016 09:14:54 -0400 (EDT) Date: Mon, 27 Jun 2016 09:14:54 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 016/119] xfs: move deferred operations into a separate file Message-ID: <20160627131452.GA23076@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 016/119] xfs: move deferred operations into a separate file References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612637438.12839.12318902006860455847.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612637438.12839.12318902006860455847.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Mon, 27 Jun 2016 13:14:56 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467033297 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 27230 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:19:34PM -0700, Darrick J. Wong wrote: > All the code around struct xfs_bmap_free basically implements a > deferred operation framework through which we can roll transactions > (to unlock buffers and avoid violating lock order rules) while > managing all the necessary log redo items. Previously we only used > this code to free extents after some sort of mapping operation, but > with the advent of rmap and reflink, we suddenly need to do more than > that. > > With that in mind, xfs_bmap_free really becomes a deferred ops control > structure. Rename the structure and move the deferred ops into their > own file to avoid further bloating of the bmap code. > > v2: actually sort the work items by AG to avoid deadlocks > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- So if I'm following this correctly, we 1.) abstract the bmap freeing infrastructure into a generic mechanism and 2.) enhance it a bit to provide things like partial intent completion, etc. If so and for future reference, this would probably be easier to review if the abstraction and enhancement were done separately. It's probably not worth that at this point, however... > fs/xfs/Makefile | 2 > fs/xfs/libxfs/xfs_defer.c | 471 +++++++++++++++++++++++++++++++++++++++++++++ > fs/xfs/libxfs/xfs_defer.h | 96 +++++++++ > fs/xfs/xfs_defer_item.c | 36 +++ > fs/xfs/xfs_super.c | 2 > 5 files changed, 607 insertions(+) > create mode 100644 fs/xfs/libxfs/xfs_defer.c > create mode 100644 fs/xfs/libxfs/xfs_defer.h > create mode 100644 fs/xfs/xfs_defer_item.c > > > diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile > index 3542d94..ad46a2d 100644 > --- a/fs/xfs/Makefile > +++ b/fs/xfs/Makefile > @@ -39,6 +39,7 @@ xfs-y += $(addprefix libxfs/, \ > xfs_btree.o \ > xfs_da_btree.o \ > xfs_da_format.o \ > + xfs_defer.o \ > xfs_dir2.o \ > xfs_dir2_block.o \ > xfs_dir2_data.o \ > @@ -66,6 +67,7 @@ xfs-y += xfs_aops.o \ > xfs_attr_list.o \ > xfs_bmap_util.o \ > xfs_buf.o \ > + xfs_defer_item.o \ > xfs_dir2_readdir.o \ > xfs_discard.o \ > xfs_error.o \ > diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c > new file mode 100644 > index 0000000..ad14e33e > --- /dev/null > +++ b/fs/xfs/libxfs/xfs_defer.c > @@ -0,0 +1,471 @@ > +/* > + * Copyright (C) 2016 Oracle. All Rights Reserved. > + * > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License > + * as published by the Free Software Foundation; either version 2 > + * of the License, or (at your option) any later version. > + * > + * This program is distributed in the hope that it would be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write the Free Software Foundation, > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > + */ > +#include "xfs.h" > +#include "xfs_fs.h" > +#include "xfs_shared.h" > +#include "xfs_format.h" > +#include "xfs_log_format.h" > +#include "xfs_trans_resv.h" > +#include "xfs_bit.h" > +#include "xfs_sb.h" > +#include "xfs_mount.h" > +#include "xfs_defer.h" > +#include "xfs_trans.h" > +#include "xfs_trace.h" > + > +/* > + * Deferred Operations in XFS > + * > + * Due to the way locking rules work in XFS, certain transactions (block > + * mapping and unmapping, typically) have permanent reservations so that > + * we can roll the transaction to adhere to AG locking order rules and > + * to unlock buffers between metadata updates. Prior to rmap/reflink, > + * the mapping code had a mechanism to perform these deferrals for > + * extents that were going to be freed; this code makes that facility > + * more generic. > + * > + * When adding the reverse mapping and reflink features, it became > + * necessary to perform complex remapping multi-transactions to comply > + * with AG locking order rules, and to be able to spread a single > + * refcount update operation (an operation on an n-block extent can > + * update as many as n records!) among multiple transactions. XFS can > + * roll a transaction to facilitate this, but using this facility > + * requires us to log "intent" items in case log recovery needs to > + * redo the operation, and to log "done" items to indicate that redo > + * is not necessary. > + * > + * The xfs_defer_ops structure tracks incoming deferred work (which is > + * work that has not yet had an intent logged) in xfs_defer_intake. Do you mean xfs_defer_pending rather than xfs_defer_intake? > + * There is one xfs_defer_intake for each type of deferrable > + * operation. Each new deferral is placed in the op's intake list, > + * where it waits for the caller to finish the deferred operations. > + * > + * Finishing a set of deferred operations is an involved process. To > + * start, we define "rolling a deferred-op transaction" as follows: > + * > + * > For each xfs_defer_intake, > + * - Sort the items on the intake list in AG order. > + * - Create a log intent item for that type. > + * - Attach to it the items on the intake list. > + * - Stash the intent+items for later in an xfs_defer_pending. Does this mean "the pending list?" Thanks for the big comment and example below. It looks that perhaps terminology is a bit out of sync with the latest code (I'm guessing design and data structures evolved a bit since this was written). > + * - Attach the xfs_defer_pending to the xfs_defer_ops work list. > + * > Roll the transaction. > + * > + * NOTE: To avoid exceeding the transaction reservation, we limit the > + * number of items that we attach to a given xfs_defer_pending. > + * > + * The actual finishing process looks like this: > + * > + * > For each xfs_defer_pending in the xfs_defer_ops work list, > + * - Roll the deferred-op transaction as above. > + * - Create a log done item for that type, and attach it to the > + * intent item. > + * - For each work item attached to the intent item, > + * * Perform the described action. > + * * Attach the work item to the log done item. > + * * If the result of doing the work was -EAGAIN, log a fresh > + * intent item and attach all remaining work items to it. Put > + * the xfs_defer_pending item back on the work list, and repeat > + * the loop. This allows us to make partial progress even if > + * the transaction is too full to finish the job. > + * > + * The key here is that we must log an intent item for all pending > + * work items every time we roll the transaction, and that we must log > + * a done item as soon as the work is completed. With this mechanism > + * we can perform complex remapping operations, chaining intent items > + * as needed. > + * > + * This is an example of remapping the extent (E, E+B) into file X at > + * offset A and dealing with the extent (C, C+B) already being mapped > + * there: > + * +-------------------------------------------------+ > + * | Unmap file X startblock C offset A length B | t0 > + * | Intent to reduce refcount for extent (C, B) | > + * | Intent to remove rmap (X, C, A, B) | > + * | Intent to free extent (D, 1) (bmbt block) | > + * | Intent to map (X, A, B) at startblock E | > + * +-------------------------------------------------+ > + * | Map file X startblock E offset A length B | t1 > + * | Done mapping (X, E, A, B) | > + * | Intent to increase refcount for extent (E, B) | > + * | Intent to add rmap (X, E, A, B) | > + * +-------------------------------------------------+ > + * | Reduce refcount for extent (C, B) | t2 > + * | Done reducing refcount for extent (C, B) | > + * | Increase refcount for extent (E, B) | > + * | Done increasing refcount for extent (E, B) | > + * | Intent to free extent (C, B) | > + * | Intent to free extent (F, 1) (refcountbt block) | > + * | Intent to remove rmap (F, 1, REFC) | > + * +-------------------------------------------------+ > + * | Remove rmap (X, C, A, B) | t3 > + * | Done removing rmap (X, C, A, B) | > + * | Add rmap (X, E, A, B) | > + * | Done adding rmap (X, E, A, B) | > + * | Remove rmap (F, 1, REFC) | > + * | Done removing rmap (F, 1, REFC) | > + * +-------------------------------------------------+ > + * | Free extent (C, B) | t4 > + * | Done freeing extent (C, B) | > + * | Free extent (D, 1) | > + * | Done freeing extent (D, 1) | > + * | Free extent (F, 1) | > + * | Done freeing extent (F, 1) | > + * +-------------------------------------------------+ > + * > + * If we should crash before t2 commits, log recovery replays > + * the following intent items: > + * > + * - Intent to reduce refcount for extent (C, B) > + * - Intent to remove rmap (X, C, A, B) > + * - Intent to free extent (D, 1) (bmbt block) > + * - Intent to increase refcount for extent (E, B) > + * - Intent to add rmap (X, E, A, B) > + * > + * In the process of recovering, it should also generate and take care > + * of these intent items: > + * > + * - Intent to free extent (C, B) > + * - Intent to free extent (F, 1) (refcountbt block) > + * - Intent to remove rmap (F, 1, REFC) > + */ > + > +static const struct xfs_defer_op_type *defer_op_types[XFS_DEFER_OPS_TYPE_MAX]; > + > +/* > + * For each pending item in the intake list, log its intent item and the > + * associated extents, then add the entire intake list to the end of > + * the pending list. > + */ > +STATIC void I don't think we're using 'STATIC' any longer. Better to use 'static' so we can eventually kill off the former. > +xfs_defer_intake_work( > + struct xfs_trans *tp, > + struct xfs_defer_ops *dop) > +{ > + struct list_head *li; > + struct xfs_defer_pending *dfp; > + > + list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { > + dfp->dfp_intent = dfp->dfp_type->create_intent(tp, > + dfp->dfp_count); > + list_sort(tp->t_mountp, &dfp->dfp_work, > + dfp->dfp_type->diff_items); > + list_for_each(li, &dfp->dfp_work) > + dfp->dfp_type->log_item(tp, dfp->dfp_intent, li); > + } > + > + list_splice_tail_init(&dop->dop_intake, &dop->dop_pending); > +} > + > +/* Abort all the intents that were committed. */ > +STATIC void > +xfs_defer_trans_abort( > + struct xfs_trans *tp, > + struct xfs_defer_ops *dop, > + int error) > +{ > + struct xfs_defer_pending *dfp; > + > + /* > + * If the transaction was committed, drop the intent reference > + * since we're bailing out of here. The other reference is > + * dropped when the intent hits the AIL. If the transaction > + * was not committed, the intent is freed by the intent item > + * unlock handler on abort. > + */ > + if (!dop->dop_committed) > + return; > + > + /* Abort intent items. */ > + list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { > + if (dfp->dfp_committed) > + dfp->dfp_type->abort_intent(dfp->dfp_intent); > + } > + > + /* Shut down FS. */ > + xfs_force_shutdown(tp->t_mountp, (error == -EFSCORRUPTED) ? > + SHUTDOWN_CORRUPT_INCORE : SHUTDOWN_META_IO_ERROR); > +} > + > +/* Roll a transaction so we can do some deferred op processing. */ > +STATIC int > +xfs_defer_trans_roll( > + struct xfs_trans **tp, > + struct xfs_defer_ops *dop, > + struct xfs_inode *ip) > +{ > + int i; > + int error; > + > + /* Log all the joined inodes except the one we passed in. */ > + for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) { > + if (dop->dop_inodes[i] == ip) > + continue; > + xfs_trans_log_inode(*tp, dop->dop_inodes[i], XFS_ILOG_CORE); > + } > + > + /* Roll the transaction. */ > + error = xfs_trans_roll(tp, ip); > + if (error) { > + xfs_defer_trans_abort(*tp, dop, error); > + return error; > + } > + dop->dop_committed = true; > + > + /* Log all the joined inodes except the one we passed in. */ Rejoin? > + for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) { > + if (dop->dop_inodes[i] == ip) > + continue; > + xfs_trans_ijoin(*tp, dop->dop_inodes[i], 0); > + } > + > + return error; > +} > + > +/* Do we have any work items to finish? */ > +bool > +xfs_defer_has_unfinished_work( > + struct xfs_defer_ops *dop) > +{ > + return !list_empty(&dop->dop_pending) || !list_empty(&dop->dop_intake); > +} > + > +/* > + * Add this inode to the deferred op. Each joined inode is relogged > + * each time we roll the transaction, in addition to any inode passed > + * to xfs_defer_finish(). > + */ > +int > +xfs_defer_join( > + struct xfs_defer_ops *dop, > + struct xfs_inode *ip) > +{ > + int i; > + > + for (i = 0; i < XFS_DEFER_OPS_NR_INODES; i++) { > + if (dop->dop_inodes[i] == ip) > + return 0; > + else if (dop->dop_inodes[i] == NULL) { > + dop->dop_inodes[i] = ip; > + return 0; > + } > + } > + > + return -EFSCORRUPTED; > +} > + > +/* > + * Finish all the pending work. This involves logging intent items for > + * any work items that wandered in since the last transaction roll (if > + * one has even happened), rolling the transaction, and finishing the > + * work items in the first item on the logged-and-pending list. > + * > + * If an inode is provided, relog it to the new transaction. > + */ > +int > +xfs_defer_finish( > + struct xfs_trans **tp, > + struct xfs_defer_ops *dop, > + struct xfs_inode *ip) > +{ > + struct xfs_defer_pending *dfp; > + struct list_head *li; > + struct list_head *n; > + void *done_item = NULL; > + void *state; > + int error = 0; > + void (*cleanup_fn)(struct xfs_trans *, void *, int); > + > + ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); > + > + /* Until we run out of pending work to finish... */ > + while (xfs_defer_has_unfinished_work(dop)) { > + /* Log intents for work items sitting in the intake. */ > + xfs_defer_intake_work(*tp, dop); > + > + /* Roll the transaction. */ > + error = xfs_defer_trans_roll(tp, dop, ip); > + if (error) > + goto out; > + > + /* Mark all pending intents as committed. */ > + list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { > + if (dfp->dfp_committed) > + break; > + dfp->dfp_committed = true; > + } > + > + /* Log an intent-done item for the first pending item. */ > + dfp = list_first_entry(&dop->dop_pending, > + struct xfs_defer_pending, dfp_list); > + done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, > + dfp->dfp_count); > + cleanup_fn = dfp->dfp_type->finish_cleanup; > + > + /* Finish the work items. */ > + state = NULL; > + list_for_each_safe(li, n, &dfp->dfp_work) { > + list_del(li); > + dfp->dfp_count--; > + error = dfp->dfp_type->finish_item(*tp, dop, li, > + done_item, &state); > + if (error == -EAGAIN) { > + /* > + * If the caller needs to try again, put the > + * item back on the pending list and jump out > + * for further processing. A little confused by the terminology here. Perhaps better to say "back on the work list" rather than "pending list?" Also, what is the meaning/purpose of -EAGAIN here? This isn't used by the extent free bits so I'm missing some context. For example, is there an issue with carrying a done_item with an unexpected list count? Is it expected that xfs_defer_finish() will not return until -EAGAIN is "cleared" (does relogging below and rolling somehow address this)? > + */ > + list_add(li, &dfp->dfp_work); > + dfp->dfp_count++; > + break; > + } else if (error) { > + /* > + * Clean up after ourselves and jump out. > + * xfs_defer_cancel will take care of freeing > + * all these lists and stuff. > + */ > + if (cleanup_fn) > + cleanup_fn(*tp, state, error); > + xfs_defer_trans_abort(*tp, dop, error); > + goto out; > + } > + } > + if (error == -EAGAIN) { > + /* > + * Log a new intent, relog all the remaining work > + * item to the new intent, attach the new intent to > + * the dfp, and leave the dfp at the head of the list > + * for further processing. > + */ Similar to the above, could you elaborate on the mechanics of this with respect to the log? E.g., the comment kind of just repeats what the code does as opposed to explain why it's here. Is the point here to log a new intent in the same transaction as the done item to ensure that we (atomically) indicate that certain operations need to be replayed if this transaction hits the log and then we crash? Brian > + dfp->dfp_intent = dfp->dfp_type->create_intent(*tp, > + dfp->dfp_count); > + list_for_each(li, &dfp->dfp_work) > + dfp->dfp_type->log_item(*tp, dfp->dfp_intent, > + li); > + } else { > + /* Done with the dfp, free it. */ > + list_del(&dfp->dfp_list); > + kmem_free(dfp); > + } > + > + if (cleanup_fn) > + cleanup_fn(*tp, state, error); > + } > + > +out: > + return error; > +} > + > +/* > + * Free up any items left in the list. > + */ > +void > +xfs_defer_cancel( > + struct xfs_defer_ops *dop) > +{ > + struct xfs_defer_pending *dfp; > + struct xfs_defer_pending *pli; > + struct list_head *pwi; > + struct list_head *n; > + > + /* > + * Free the pending items. Caller should already have arranged > + * for the intent items to be released. > + */ > + list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { > + list_del(&dfp->dfp_list); > + list_for_each_safe(pwi, n, &dfp->dfp_work) { > + list_del(pwi); > + dfp->dfp_count--; > + dfp->dfp_type->cancel_item(pwi); > + } > + ASSERT(dfp->dfp_count == 0); > + kmem_free(dfp); > + } > + list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { > + list_del(&dfp->dfp_list); > + list_for_each_safe(pwi, n, &dfp->dfp_work) { > + list_del(pwi); > + dfp->dfp_count--; > + dfp->dfp_type->cancel_item(pwi); > + } > + ASSERT(dfp->dfp_count == 0); > + kmem_free(dfp); > + } > +} > + > +/* Add an item for later deferred processing. */ > +void > +xfs_defer_add( > + struct xfs_defer_ops *dop, > + enum xfs_defer_ops_type type, > + struct list_head *li) > +{ > + struct xfs_defer_pending *dfp = NULL; > + > + /* > + * Add the item to a pending item at the end of the intake list. > + * If the last pending item has the same type, reuse it. Else, > + * create a new pending item at the end of the intake list. > + */ > + if (!list_empty(&dop->dop_intake)) { > + dfp = list_last_entry(&dop->dop_intake, > + struct xfs_defer_pending, dfp_list); > + if (dfp->dfp_type->type != type || > + (dfp->dfp_type->max_items && > + dfp->dfp_count >= dfp->dfp_type->max_items)) > + dfp = NULL; > + } > + if (!dfp) { > + dfp = kmem_alloc(sizeof(struct xfs_defer_pending), > + KM_SLEEP | KM_NOFS); > + dfp->dfp_type = defer_op_types[type]; > + dfp->dfp_committed = false; > + dfp->dfp_intent = NULL; > + dfp->dfp_count = 0; > + INIT_LIST_HEAD(&dfp->dfp_work); > + list_add_tail(&dfp->dfp_list, &dop->dop_intake); > + } > + > + list_add_tail(li, &dfp->dfp_work); > + dfp->dfp_count++; > +} > + > +/* Initialize a deferred operation list. */ > +void > +xfs_defer_init_op_type( > + const struct xfs_defer_op_type *type) > +{ > + defer_op_types[type->type] = type; > +} > + > +/* Initialize a deferred operation. */ > +void > +xfs_defer_init( > + struct xfs_defer_ops *dop, > + xfs_fsblock_t *fbp) > +{ > + dop->dop_committed = false; > + dop->dop_low = false; > + memset(&dop->dop_inodes, 0, sizeof(dop->dop_inodes)); > + *fbp = NULLFSBLOCK; > + INIT_LIST_HEAD(&dop->dop_intake); > + INIT_LIST_HEAD(&dop->dop_pending); > +} > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > new file mode 100644 > index 0000000..85c7a3a > --- /dev/null > +++ b/fs/xfs/libxfs/xfs_defer.h > @@ -0,0 +1,96 @@ > +/* > + * Copyright (C) 2016 Oracle. All Rights Reserved. > + * > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License > + * as published by the Free Software Foundation; either version 2 > + * of the License, or (at your option) any later version. > + * > + * This program is distributed in the hope that it would be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write the Free Software Foundation, > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > + */ > +#ifndef __XFS_DEFER_H__ > +#define __XFS_DEFER_H__ > + > +struct xfs_defer_op_type; > + > +/* > + * Save a log intent item and a list of extents, so that we can replay > + * whatever action had to happen to the extent list and file the log done > + * item. > + */ > +struct xfs_defer_pending { > + const struct xfs_defer_op_type *dfp_type; /* function pointers */ > + struct list_head dfp_list; /* pending items */ > + bool dfp_committed; /* committed trans? */ > + void *dfp_intent; /* log intent item */ > + struct list_head dfp_work; /* work items */ > + unsigned int dfp_count; /* # extent items */ > +}; > + > +/* > + * Header for deferred operation list. > + * > + * dop_low is used by the allocator to activate the lowspace algorithm - > + * when free space is running low the extent allocator may choose to > + * allocate an extent from an AG without leaving sufficient space for > + * a btree split when inserting the new extent. In this case the allocator > + * will enable the lowspace algorithm which is supposed to allow further > + * allocations (such as btree splits and newroots) to allocate from > + * sequential AGs. In order to avoid locking AGs out of order the lowspace > + * algorithm will start searching for free space from AG 0. If the correct > + * transaction reservations have been made then this algorithm will eventually > + * find all the space it needs. > + */ > +enum xfs_defer_ops_type { > + XFS_DEFER_OPS_TYPE_MAX, > +}; > + > +#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */ > + > +struct xfs_defer_ops { > + bool dop_committed; /* did any trans commit? */ > + bool dop_low; /* alloc in low mode */ > + struct list_head dop_intake; /* unlogged pending work */ > + struct list_head dop_pending; /* logged pending work */ > + > + /* relog these inodes with each roll */ > + struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES]; > +}; > + > +void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type, > + struct list_head *h); > +int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop, > + struct xfs_inode *ip); > +void xfs_defer_cancel(struct xfs_defer_ops *dop); > +void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp); > +bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop); > +int xfs_defer_join(struct xfs_defer_ops *dop, struct xfs_inode *ip); > + > +/* Description of a deferred type. */ > +struct xfs_defer_op_type { > + enum xfs_defer_ops_type type; > + unsigned int max_items; > + void (*abort_intent)(void *); > + void *(*create_done)(struct xfs_trans *, void *, unsigned int); > + int (*finish_item)(struct xfs_trans *, struct xfs_defer_ops *, > + struct list_head *, void *, void **); > + void (*finish_cleanup)(struct xfs_trans *, void *, int); > + void (*cancel_item)(struct list_head *); > + int (*diff_items)(void *, struct list_head *, struct list_head *); > + void *(*create_intent)(struct xfs_trans *, uint); > + void (*log_item)(struct xfs_trans *, void *, struct list_head *); > +}; > + > +void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); > +void xfs_defer_init_types(void); > + > +#endif /* __XFS_DEFER_H__ */ > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > new file mode 100644 > index 0000000..849088d > --- /dev/null > +++ b/fs/xfs/xfs_defer_item.c > @@ -0,0 +1,36 @@ > +/* > + * Copyright (C) 2016 Oracle. All Rights Reserved. > + * > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License > + * as published by the Free Software Foundation; either version 2 > + * of the License, or (at your option) any later version. > + * > + * This program is distributed in the hope that it would be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write the Free Software Foundation, > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > + */ > +#include "xfs.h" > +#include "xfs_fs.h" > +#include "xfs_shared.h" > +#include "xfs_format.h" > +#include "xfs_log_format.h" > +#include "xfs_trans_resv.h" > +#include "xfs_bit.h" > +#include "xfs_sb.h" > +#include "xfs_mount.h" > +#include "xfs_defer.h" > +#include "xfs_trans.h" > + > +/* Initialize the deferred operation types. */ > +void > +xfs_defer_init_types(void) > +{ > +} > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > index 09722a7..bf63f6d 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -46,6 +46,7 @@ > #include "xfs_quota.h" > #include "xfs_sysfs.h" > #include "xfs_ondisk.h" > +#include "xfs_defer.h" > > #include <linux/namei.h> > #include <linux/init.h> > @@ -1850,6 +1851,7 @@ init_xfs_fs(void) > printk(KERN_INFO XFS_VERSION_STRING " with " > XFS_BUILD_OPTIONS " enabled\n"); > > + xfs_defer_init_types(); > xfs_dir_startup(); > > error = xfs_init_zones(); > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Mon Jun 27 08:15:09 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 4EA087CA4 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 08:15:09 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id D37CE304032 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 06:15:05 -0700 (PDT) X-ASG-Debug-ID: 1467033303-04cb6c063f1e0860001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id DVMBPm4MSIqpbFpV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 06:15:03 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1A0D47F6A5; Mon, 27 Jun 2016 13:15:03 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-2.bos.redhat.com [10.18.41.2]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5RDF29g015967; Mon, 27 Jun 2016 09:15:02 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 8E0081201DB; Mon, 27 Jun 2016 09:15:01 -0400 (EDT) Date: Mon, 27 Jun 2016 09:15:01 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 017/119] xfs: add tracepoints for the deferred ops mechanism Message-ID: <20160627131500.GB23076@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 017/119] xfs: add tracepoints for the deferred ops mechanism References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612638080.12839.2097094526348177968.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612638080.12839.2097094526348177968.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Mon, 27 Jun 2016 13:15:03 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467033303 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12157 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:19:40PM -0700, Darrick J. Wong wrote: > Add tracepoints for the internals of the deferred ops mechanism > and tracepoint classes for clients of the dops, to make debugging > easier. > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- Reviewed-by: Brian Foster <bfoster@redhat.com> > fs/xfs/libxfs/xfs_defer.c | 19 ++++ > fs/xfs/xfs_defer_item.c | 1 > fs/xfs/xfs_trace.c | 1 > fs/xfs/xfs_trace.h | 198 +++++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 219 insertions(+) > > > diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c > index ad14e33e..b4e7faa 100644 > --- a/fs/xfs/libxfs/xfs_defer.c > +++ b/fs/xfs/libxfs/xfs_defer.c > @@ -163,6 +163,7 @@ xfs_defer_intake_work( > struct xfs_defer_pending *dfp; > > list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { > + trace_xfs_defer_intake_work(tp->t_mountp, dfp); > dfp->dfp_intent = dfp->dfp_type->create_intent(tp, > dfp->dfp_count); > list_sort(tp->t_mountp, &dfp->dfp_work, > @@ -183,6 +184,7 @@ xfs_defer_trans_abort( > { > struct xfs_defer_pending *dfp; > > + trace_xfs_defer_trans_abort(tp->t_mountp, dop); > /* > * If the transaction was committed, drop the intent reference > * since we're bailing out of here. The other reference is > @@ -195,6 +197,7 @@ xfs_defer_trans_abort( > > /* Abort intent items. */ > list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { > + trace_xfs_defer_pending_abort(tp->t_mountp, dfp); > if (dfp->dfp_committed) > dfp->dfp_type->abort_intent(dfp->dfp_intent); > } > @@ -221,9 +224,12 @@ xfs_defer_trans_roll( > xfs_trans_log_inode(*tp, dop->dop_inodes[i], XFS_ILOG_CORE); > } > > + trace_xfs_defer_trans_roll((*tp)->t_mountp, dop); > + > /* Roll the transaction. */ > error = xfs_trans_roll(tp, ip); > if (error) { > + trace_xfs_defer_trans_roll_error((*tp)->t_mountp, dop, error); > xfs_defer_trans_abort(*tp, dop, error); > return error; > } > @@ -295,6 +301,8 @@ xfs_defer_finish( > > ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); > > + trace_xfs_defer_finish((*tp)->t_mountp, dop); > + > /* Until we run out of pending work to finish... */ > while (xfs_defer_has_unfinished_work(dop)) { > /* Log intents for work items sitting in the intake. */ > @@ -309,12 +317,14 @@ xfs_defer_finish( > list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { > if (dfp->dfp_committed) > break; > + trace_xfs_defer_pending_commit((*tp)->t_mountp, dfp); > dfp->dfp_committed = true; > } > > /* Log an intent-done item for the first pending item. */ > dfp = list_first_entry(&dop->dop_pending, > struct xfs_defer_pending, dfp_list); > + trace_xfs_defer_pending_finish((*tp)->t_mountp, dfp); > done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, > dfp->dfp_count); > cleanup_fn = dfp->dfp_type->finish_cleanup; > @@ -370,6 +380,10 @@ xfs_defer_finish( > } > > out: > + if (error) > + trace_xfs_defer_finish_error((*tp)->t_mountp, dop, error); > + else > + trace_xfs_defer_finish_done((*tp)->t_mountp, dop); > return error; > } > > @@ -385,11 +399,14 @@ xfs_defer_cancel( > struct list_head *pwi; > struct list_head *n; > > + trace_xfs_defer_cancel(NULL, dop); > + > /* > * Free the pending items. Caller should already have arranged > * for the intent items to be released. > */ > list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { > + trace_xfs_defer_intake_cancel(NULL, dfp); > list_del(&dfp->dfp_list); > list_for_each_safe(pwi, n, &dfp->dfp_work) { > list_del(pwi); > @@ -400,6 +417,7 @@ xfs_defer_cancel( > kmem_free(dfp); > } > list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { > + trace_xfs_defer_pending_cancel(NULL, dfp); > list_del(&dfp->dfp_list); > list_for_each_safe(pwi, n, &dfp->dfp_work) { > list_del(pwi); > @@ -468,4 +486,5 @@ xfs_defer_init( > *fbp = NULLFSBLOCK; > INIT_LIST_HEAD(&dop->dop_intake); > INIT_LIST_HEAD(&dop->dop_pending); > + trace_xfs_defer_init(NULL, dop); > } > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > index 849088d..4c2ba28 100644 > --- a/fs/xfs/xfs_defer_item.c > +++ b/fs/xfs/xfs_defer_item.c > @@ -28,6 +28,7 @@ > #include "xfs_mount.h" > #include "xfs_defer.h" > #include "xfs_trans.h" > +#include "xfs_trace.h" > > /* Initialize the deferred operation types. */ > void > diff --git a/fs/xfs/xfs_trace.c b/fs/xfs/xfs_trace.c > index 13a0298..3971527 100644 > --- a/fs/xfs/xfs_trace.c > +++ b/fs/xfs/xfs_trace.c > @@ -22,6 +22,7 @@ > #include "xfs_log_format.h" > #include "xfs_trans_resv.h" > #include "xfs_mount.h" > +#include "xfs_defer.h" > #include "xfs_da_format.h" > #include "xfs_inode.h" > #include "xfs_btree.h" > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > index f0ac9c9..5923014 100644 > --- a/fs/xfs/xfs_trace.h > +++ b/fs/xfs/xfs_trace.h > @@ -2220,6 +2220,204 @@ DEFINE_EVENT(xfs_btree_cur_class, name, \ > DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > DEFINE_BTREE_CUR_EVENT(xfs_btree_overlapped_query_range); > > +/* deferred ops */ > +struct xfs_defer_pending; > +struct xfs_defer_intake; > +struct xfs_defer_ops; > + > +DECLARE_EVENT_CLASS(xfs_defer_class, > + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop), > + TP_ARGS(mp, dop), > + TP_STRUCT__entry( > + __field(dev_t, dev) > + __field(void *, dop) > + __field(bool, committed) > + __field(bool, low) > + ), > + TP_fast_assign( > + __entry->dev = mp ? mp->m_super->s_dev : 0; > + __entry->dop = dop; > + __entry->committed = dop->dop_committed; > + __entry->low = dop->dop_low; > + ), > + TP_printk("dev %d:%d ops %p committed %d low %d\n", > + MAJOR(__entry->dev), MINOR(__entry->dev), > + __entry->dop, > + __entry->committed, > + __entry->low) > +) > +#define DEFINE_DEFER_EVENT(name) \ > +DEFINE_EVENT(xfs_defer_class, name, \ > + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop), \ > + TP_ARGS(mp, dop)) > + > +DECLARE_EVENT_CLASS(xfs_defer_error_class, > + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop, int error), > + TP_ARGS(mp, dop, error), > + TP_STRUCT__entry( > + __field(dev_t, dev) > + __field(void *, dop) > + __field(bool, committed) > + __field(bool, low) > + __field(int, error) > + ), > + TP_fast_assign( > + __entry->dev = mp ? mp->m_super->s_dev : 0; > + __entry->dop = dop; > + __entry->committed = dop->dop_committed; > + __entry->low = dop->dop_low; > + __entry->error = error; > + ), > + TP_printk("dev %d:%d ops %p committed %d low %d err %d\n", > + MAJOR(__entry->dev), MINOR(__entry->dev), > + __entry->dop, > + __entry->committed, > + __entry->low, > + __entry->error) > +) > +#define DEFINE_DEFER_ERROR_EVENT(name) \ > +DEFINE_EVENT(xfs_defer_error_class, name, \ > + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_ops *dop, int error), \ > + TP_ARGS(mp, dop, error)) > + > +DECLARE_EVENT_CLASS(xfs_defer_pending_class, > + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_pending *dfp), > + TP_ARGS(mp, dfp), > + TP_STRUCT__entry( > + __field(dev_t, dev) > + __field(int, type) > + __field(void *, intent) > + __field(bool, committed) > + __field(int, nr) > + ), > + TP_fast_assign( > + __entry->dev = mp ? mp->m_super->s_dev : 0; > + __entry->type = dfp->dfp_type->type; > + __entry->intent = dfp->dfp_intent; > + __entry->committed = dfp->dfp_committed; > + __entry->nr = dfp->dfp_count; > + ), > + TP_printk("dev %d:%d optype %d intent %p committed %d nr %d\n", > + MAJOR(__entry->dev), MINOR(__entry->dev), > + __entry->type, > + __entry->intent, > + __entry->committed, > + __entry->nr) > +) > +#define DEFINE_DEFER_PENDING_EVENT(name) \ > +DEFINE_EVENT(xfs_defer_pending_class, name, \ > + TP_PROTO(struct xfs_mount *mp, struct xfs_defer_pending *dfp), \ > + TP_ARGS(mp, dfp)) > + > +DECLARE_EVENT_CLASS(xfs_phys_extent_deferred_class, > + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, > + int type, xfs_agblock_t agbno, xfs_extlen_t len), > + TP_ARGS(mp, agno, type, agbno, len), > + TP_STRUCT__entry( > + __field(dev_t, dev) > + __field(xfs_agnumber_t, agno) > + __field(int, type) > + __field(xfs_agblock_t, agbno) > + __field(xfs_extlen_t, len) > + ), > + TP_fast_assign( > + __entry->dev = mp->m_super->s_dev; > + __entry->agno = agno; > + __entry->type = type; > + __entry->agbno = agbno; > + __entry->len = len; > + ), > + TP_printk("dev %d:%d op %d agno %u agbno %u len %u", > + MAJOR(__entry->dev), MINOR(__entry->dev), > + __entry->type, > + __entry->agno, > + __entry->agbno, > + __entry->len) > +); > +#define DEFINE_PHYS_EXTENT_DEFERRED_EVENT(name) \ > +DEFINE_EVENT(xfs_phys_extent_deferred_class, name, \ > + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ > + int type, \ > + xfs_agblock_t bno, \ > + xfs_extlen_t len), \ > + TP_ARGS(mp, agno, type, bno, len)) > + > +DECLARE_EVENT_CLASS(xfs_map_extent_deferred_class, > + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, > + int op, > + xfs_agblock_t agbno, > + xfs_ino_t ino, > + int whichfork, > + xfs_fileoff_t offset, > + xfs_filblks_t len, > + xfs_exntst_t state), > + TP_ARGS(mp, agno, op, agbno, ino, whichfork, offset, len, state), > + TP_STRUCT__entry( > + __field(dev_t, dev) > + __field(xfs_agnumber_t, agno) > + __field(xfs_ino_t, ino) > + __field(xfs_agblock_t, agbno) > + __field(int, whichfork) > + __field(xfs_fileoff_t, l_loff) > + __field(xfs_filblks_t, l_len) > + __field(xfs_exntst_t, l_state) > + __field(int, op) > + ), > + TP_fast_assign( > + __entry->dev = mp->m_super->s_dev; > + __entry->agno = agno; > + __entry->ino = ino; > + __entry->agbno = agbno; > + __entry->whichfork = whichfork; > + __entry->l_loff = offset; > + __entry->l_len = len; > + __entry->l_state = state; > + __entry->op = op; > + ), > + TP_printk("dev %d:%d op %d agno %u agbno %u owner %lld %s offset %llu len %llu state %d", > + MAJOR(__entry->dev), MINOR(__entry->dev), > + __entry->op, > + __entry->agno, > + __entry->agbno, > + __entry->ino, > + __entry->whichfork == XFS_ATTR_FORK ? "attr" : "data", > + __entry->l_loff, > + __entry->l_len, > + __entry->l_state) > +); > +#define DEFINE_MAP_EXTENT_DEFERRED_EVENT(name) \ > +DEFINE_EVENT(xfs_map_extent_deferred_class, name, \ > + TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \ > + int op, \ > + xfs_agblock_t agbno, \ > + xfs_ino_t ino, \ > + int whichfork, \ > + xfs_fileoff_t offset, \ > + xfs_filblks_t len, \ > + xfs_exntst_t state), \ > + TP_ARGS(mp, agno, op, agbno, ino, whichfork, offset, len, state)) > + > +DEFINE_DEFER_EVENT(xfs_defer_init); > +DEFINE_DEFER_EVENT(xfs_defer_cancel); > +DEFINE_DEFER_EVENT(xfs_defer_trans_roll); > +DEFINE_DEFER_EVENT(xfs_defer_trans_abort); > +DEFINE_DEFER_EVENT(xfs_defer_finish); > +DEFINE_DEFER_EVENT(xfs_defer_finish_done); > + > +DEFINE_DEFER_ERROR_EVENT(xfs_defer_trans_roll_error); > +DEFINE_DEFER_ERROR_EVENT(xfs_defer_finish_error); > +DEFINE_DEFER_ERROR_EVENT(xfs_defer_op_finish_error); > + > +DEFINE_DEFER_PENDING_EVENT(xfs_defer_intake_work); > +DEFINE_DEFER_PENDING_EVENT(xfs_defer_intake_cancel); > +DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_commit); > +DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_cancel); > +DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_finish); > +DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_abort); > + > +DEFINE_PHYS_EXTENT_DEFERRED_EVENT(xfs_defer_phys_extent); > +DEFINE_MAP_EXTENT_DEFERRED_EVENT(xfs_defer_map_extent); > + > #endif /* _TRACE_XFS_H */ > > #undef TRACE_INCLUDE_PATH > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Mon Jun 27 08:15:12 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 66CDE7CB2 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 08:15:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3A34B304032 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 06:15:12 -0700 (PDT) X-ASG-Debug-ID: 1467033310-04cbb02736272140001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id HcvTZH7pRKfpljUq (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 06:15:10 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F02A7C04B318; Mon, 27 Jun 2016 13:15:09 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-2.bos.redhat.com [10.18.41.2]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5RDF9Zi021539; Mon, 27 Jun 2016 09:15:09 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id A0A141201DB; Mon, 27 Jun 2016 09:15:08 -0400 (EDT) Date: Mon, 27 Jun 2016 09:15:08 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free Message-ID: <20160627131508.GC23076@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612638717.12839.11007379793448761871.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612638717.12839.11007379793448761871.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 27 Jun 2016 13:15:10 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467033310 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4539 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:19:47PM -0700, Darrick J. Wong wrote: > Connect the xfs_defer mechanism with the pieces that we'll need to > handle deferred extent freeing. We'll wire up the existing code to > our new deferred mechanism later. > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- Could we merge this with the xfs_trans_*efi/efd* bits? We'd need to preserve some calls for recovery, but it looks like other parts are only used by the deferred ops infrastructure at this point. Brian > fs/xfs/libxfs/xfs_defer.h | 1 > fs/xfs/xfs_defer_item.c | 108 +++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 109 insertions(+) > > > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > index 85c7a3a..743fc32 100644 > --- a/fs/xfs/libxfs/xfs_defer.h > +++ b/fs/xfs/libxfs/xfs_defer.h > @@ -51,6 +51,7 @@ struct xfs_defer_pending { > * find all the space it needs. > */ > enum xfs_defer_ops_type { > + XFS_DEFER_OPS_TYPE_FREE, > XFS_DEFER_OPS_TYPE_MAX, > }; > > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > index 4c2ba28..127a54e 100644 > --- a/fs/xfs/xfs_defer_item.c > +++ b/fs/xfs/xfs_defer_item.c > @@ -29,9 +29,117 @@ > #include "xfs_defer.h" > #include "xfs_trans.h" > #include "xfs_trace.h" > +#include "xfs_bmap.h" > +#include "xfs_extfree_item.h" > + > +/* Extent Freeing */ > + > +/* Sort bmap items by AG. */ > +static int > +xfs_bmap_free_diff_items( > + void *priv, > + struct list_head *a, > + struct list_head *b) > +{ > + struct xfs_mount *mp = priv; > + struct xfs_bmap_free_item *ra; > + struct xfs_bmap_free_item *rb; > + > + ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); > + rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); > + return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - > + XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); > +} > + > +/* Get an EFI. */ > +STATIC void * > +xfs_bmap_free_create_intent( > + struct xfs_trans *tp, > + unsigned int count) > +{ > + return xfs_trans_get_efi(tp, count); > +} > + > +/* Log a free extent to the intent item. */ > +STATIC void > +xfs_bmap_free_log_item( > + struct xfs_trans *tp, > + void *intent, > + struct list_head *item) > +{ > + struct xfs_bmap_free_item *free; > + > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > + xfs_trans_log_efi_extent(tp, intent, free->xbfi_startblock, > + free->xbfi_blockcount); > +} > + > +/* Get an EFD so we can process all the free extents. */ > +STATIC void * > +xfs_bmap_free_create_done( > + struct xfs_trans *tp, > + void *intent, > + unsigned int count) > +{ > + return xfs_trans_get_efd(tp, intent, count); > +} > + > +/* Process a free extent. */ > +STATIC int > +xfs_bmap_free_finish_item( > + struct xfs_trans *tp, > + struct xfs_defer_ops *dop, > + struct list_head *item, > + void *done_item, > + void **state) > +{ > + struct xfs_bmap_free_item *free; > + int error; > + > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > + error = xfs_trans_free_extent(tp, done_item, > + free->xbfi_startblock, > + free->xbfi_blockcount); > + kmem_free(free); > + return error; > +} > + > +/* Abort all pending EFIs. */ > +STATIC void > +xfs_bmap_free_abort_intent( > + void *intent) > +{ > + xfs_efi_release(intent); > +} > + > +/* Cancel a free extent. */ > +STATIC void > +xfs_bmap_free_cancel_item( > + struct list_head *item) > +{ > + struct xfs_bmap_free_item *free; > + > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > + kmem_free(free); > +} > + > +const struct xfs_defer_op_type xfs_extent_free_defer_type = { > + .type = XFS_DEFER_OPS_TYPE_FREE, > + .max_items = XFS_EFI_MAX_FAST_EXTENTS, > + .diff_items = xfs_bmap_free_diff_items, > + .create_intent = xfs_bmap_free_create_intent, > + .abort_intent = xfs_bmap_free_abort_intent, > + .log_item = xfs_bmap_free_log_item, > + .create_done = xfs_bmap_free_create_done, > + .finish_item = xfs_bmap_free_finish_item, > + .cancel_item = xfs_bmap_free_cancel_item, > +}; > + > +/* Deferred Item Initialization */ > > /* Initialize the deferred operation types. */ > void > xfs_defer_init_types(void) > { > + xfs_defer_init_op_type(&xfs_extent_free_defer_type); > } > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From sandeen@sandeen.net Mon Jun 27 10:34:46 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 9641D7CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 10:34:46 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 5A4C8304048 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 08:34:43 -0700 (PDT) X-ASG-Debug-ID: 1467041679-04cbb0273827dd10001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id nnjyXHEF92vCZxfU for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 08:34:40 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id BCE132A9D for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 10:34:39 -0500 (CDT) Subject: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice References: <13dd3974-956d-c3af-86ed-f6ce5cc1b996@redhat.com> <20160627094855.GC29774@redhat.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <5c408cf1-e9fa-8bee-106e-93e553fc98a7@sandeen.net> Date: Mon, 27 Jun 2016 10:34:39 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160627094855.GC29774@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1467041680 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2006 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30801 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/27/16 4:48 AM, Carlos Maiolino wrote: > On Fri, Jun 24, 2016 at 04:24:58PM -0500, Eric Sandeen wrote: >> kernel commit 5ef828c4 >> xfs: avoid false quotacheck after unclean shutdown >> >> made xfs_sb_from_disk() also call xfs_sb_quota_from_disk >> by default. >> >> However, when this was merged to libxfs, existing separate >> calls to libxfs_sb_quota_from_disk remained, and calling it >> twice in a row on a V4 superblock leads to issues, because: >> >> >> if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { >> ... >> sbp->sb_pquotino = sbp->sb_gquotino; >> sbp->sb_gquotino = NULLFSINO; >> >> and after the second call, we have set both pquotino and gquotino >> to NULLFSINO. >> >> Fix this by making it safe to call twice, and also remove the extra >> calls to libxfs_sb_quota_from_disk. >> >> This is only spotted when running xfstests with "-m crc=0" because >> the sb_from_disk change came about after V5 became default, and >> the above behavior only exists on a V4 superblock. >> >> Reported-by: Eryu Guan <eguan@redhat.com> >> Signed-off-by: Eric Sandeen <sandeen@redhat.com> >> --- >> >> >> diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c >> index 45db6ae..44f3e3e 100644 >> --- a/libxfs/xfs_sb.c >> +++ b/libxfs/xfs_sb.c >> @@ -316,13 +316,16 @@ xfs_sb_quota_from_disk(struct xfs_sb *sbp) >> XFS_PQUOTA_CHKD : XFS_GQUOTA_CHKD; >> sbp->sb_qflags &= ~(XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD); >> >> - if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { >> + if (sbp->sb_qflags & XFS_PQUOTA_ACCT && >> + sbp->sb_gquotino != NULLFSINO) { > > Although I agree with this check, shouldn't we report some sort of error when it > happens? Once, it's not supposed to happen, and, might be a sign of corruption? I dunno, it would also happen if it gets called twice, which is intentionally made harmless by this change. We don't warn on free(NULL) for example... I don't think it needs a warning. -Eric From darrick.wong@oracle.com Mon Jun 27 14:14:25 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1742E7CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 14:14:25 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6877FAC001 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 12:14:21 -0700 (PDT) X-ASG-Debug-ID: 1467054852-04cbb02736294eb0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id rAWGuZNMT07dwzBs (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 12:14:12 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5RJE6mI027476 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 19:14:06 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5RJE5ef011563 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 19:14:05 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5RJE3mj008690; Mon, 27 Jun 2016 19:14:04 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 27 Jun 2016 12:14:02 -0700 Date: Mon, 27 Jun 2016 12:14:01 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 016/119] xfs: move deferred operations into a separate file Message-ID: <20160627191401.GA4921@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 016/119] xfs: move deferred operations into a separate file References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612637438.12839.12318902006860455847.stgit@birch.djwong.org> <20160627131452.GA23076@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160627131452.GA23076@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467054852 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 32645 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30808 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Mon, Jun 27, 2016 at 09:14:54AM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:19:34PM -0700, Darrick J. Wong wrote: > > All the code around struct xfs_bmap_free basically implements a > > deferred operation framework through which we can roll transactions > > (to unlock buffers and avoid violating lock order rules) while > > managing all the necessary log redo items. Previously we only used > > this code to free extents after some sort of mapping operation, but > > with the advent of rmap and reflink, we suddenly need to do more than > > that. > > > > With that in mind, xfs_bmap_free really becomes a deferred ops control > > structure. Rename the structure and move the deferred ops into their > > own file to avoid further bloating of the bmap code. > > > > v2: actually sort the work items by AG to avoid deadlocks > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > --- > > So if I'm following this correctly, we 1.) abstract the bmap freeing > infrastructure into a generic mechanism and 2.) enhance it a bit to > provide things like partial intent completion, etc. [Back from vacation] Yup. The partial intent completion code is for use by the refcount adjust function because in the worst case an adjustment of N blocks could require N record updates. > If so and for future > reference, this would probably be easier to review if the abstraction > and enhancement were done separately. It's probably not worth that at > this point, however... It wouldn't be difficult to separate them; the partial intent completion are the two code blocks below that handle the -EAGAIN case. (On the other hand it's so little code that I figured I might as well just do the whole file all at once.) > > fs/xfs/Makefile | 2 > > fs/xfs/libxfs/xfs_defer.c | 471 +++++++++++++++++++++++++++++++++++++++++++++ > > fs/xfs/libxfs/xfs_defer.h | 96 +++++++++ > > fs/xfs/xfs_defer_item.c | 36 +++ > > fs/xfs/xfs_super.c | 2 > > 5 files changed, 607 insertions(+) > > create mode 100644 fs/xfs/libxfs/xfs_defer.c > > create mode 100644 fs/xfs/libxfs/xfs_defer.h > > create mode 100644 fs/xfs/xfs_defer_item.c > > > > > > diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile > > index 3542d94..ad46a2d 100644 > > --- a/fs/xfs/Makefile > > +++ b/fs/xfs/Makefile > > @@ -39,6 +39,7 @@ xfs-y += $(addprefix libxfs/, \ > > xfs_btree.o \ > > xfs_da_btree.o \ > > xfs_da_format.o \ > > + xfs_defer.o \ > > xfs_dir2.o \ > > xfs_dir2_block.o \ > > xfs_dir2_data.o \ > > @@ -66,6 +67,7 @@ xfs-y += xfs_aops.o \ > > xfs_attr_list.o \ > > xfs_bmap_util.o \ > > xfs_buf.o \ > > + xfs_defer_item.o \ > > xfs_dir2_readdir.o \ > > xfs_discard.o \ > > xfs_error.o \ > > diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c > > new file mode 100644 > > index 0000000..ad14e33e > > --- /dev/null > > +++ b/fs/xfs/libxfs/xfs_defer.c > > @@ -0,0 +1,471 @@ > > +/* > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > + * > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > + * > > + * This program is free software; you can redistribute it and/or > > + * modify it under the terms of the GNU General Public License > > + * as published by the Free Software Foundation; either version 2 > > + * of the License, or (at your option) any later version. > > + * > > + * This program is distributed in the hope that it would be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + * > > + * You should have received a copy of the GNU General Public License > > + * along with this program; if not, write the Free Software Foundation, > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > + */ > > +#include "xfs.h" > > +#include "xfs_fs.h" > > +#include "xfs_shared.h" > > +#include "xfs_format.h" > > +#include "xfs_log_format.h" > > +#include "xfs_trans_resv.h" > > +#include "xfs_bit.h" > > +#include "xfs_sb.h" > > +#include "xfs_mount.h" > > +#include "xfs_defer.h" > > +#include "xfs_trans.h" > > +#include "xfs_trace.h" > > + > > +/* > > + * Deferred Operations in XFS > > + * > > + * Due to the way locking rules work in XFS, certain transactions (block > > + * mapping and unmapping, typically) have permanent reservations so that > > + * we can roll the transaction to adhere to AG locking order rules and > > + * to unlock buffers between metadata updates. Prior to rmap/reflink, > > + * the mapping code had a mechanism to perform these deferrals for > > + * extents that were going to be freed; this code makes that facility > > + * more generic. > > + * > > + * When adding the reverse mapping and reflink features, it became > > + * necessary to perform complex remapping multi-transactions to comply > > + * with AG locking order rules, and to be able to spread a single > > + * refcount update operation (an operation on an n-block extent can > > + * update as many as n records!) among multiple transactions. XFS can > > + * roll a transaction to facilitate this, but using this facility > > + * requires us to log "intent" items in case log recovery needs to > > + * redo the operation, and to log "done" items to indicate that redo > > + * is not necessary. > > + * > > + * The xfs_defer_ops structure tracks incoming deferred work (which is > > + * work that has not yet had an intent logged) in xfs_defer_intake. > > Do you mean xfs_defer_pending rather than xfs_defer_intake? Ugh, I forgot to update the documentation. Unlogged work originally got its own xfs_defer_intake item, but I then realized that it was basically a subset of xfs_defer_pending. Then I reorganized the data structures so that we create one x_d_p, attach items to it, and later log the redo item and move it from the intake list to the pending list. So.... doc changes will be inline in the message. Just replace the whole paragraph with: "* Deferred work is tracked in xfs_defer_pending items. Each pending * item tracks one type of deferred work. Incoming work items (which * have not yet had an intent logged) are attached to a pending item * on the dop_intake list, where they wait for the caller to finish * the deferred operations." > > + * There is one xfs_defer_intake for each type of deferrable > > + * operation. Each new deferral is placed in the op's intake list, > > + * where it waits for the caller to finish the deferred operations. > > + * > > + * Finishing a set of deferred operations is an involved process. To > > + * start, we define "rolling a deferred-op transaction" as follows: > > + * > > + * > For each xfs_defer_intake, "For each xfs_defer_pending on the dop_intake list," > > + * - Sort the items on the intake list in AG order. "Sort the work items in AG order. XFS locking order rules require us to lock buffers in AG order." > > + * - Create a log intent item for that type. > > + * - Attach to it the items on the intake list. "Attach it to the pending item." > > + * - Stash the intent+items for later in an xfs_defer_pending. > > Does this mean "the pending list?" No, the intent and work items are already attached to the x_d_p item. This should read: "Move the xfs_defer_pending item from the dop_intake list to the dop_pending list." > Thanks for the big comment and example below. It looks that perhaps > terminology is a bit out of sync with the latest code (I'm guessing > design and data structures evolved a bit since this was written). Yes. > > + * - Attach the xfs_defer_pending to the xfs_defer_ops work list. This line becomes redundant with above. > > + * > Roll the transaction. > > + * > > + * NOTE: To avoid exceeding the transaction reservation, we limit the > > + * number of items that we attach to a given xfs_defer_pending. > > + * > > + * The actual finishing process looks like this: > > + * > > + * > For each xfs_defer_pending in the xfs_defer_ops work list, "For each xfs_defer_pending in the dop_pending list," > > + * - Roll the deferred-op transaction as above. > > + * - Create a log done item for that type, and attach it to the > > + * intent item. > > + * - For each work item attached to the intent item, > > + * * Perform the described action. > > + * * Attach the work item to the log done item. > > + * * If the result of doing the work was -EAGAIN, log a fresh > > + * intent item and attach all remaining work items to it. Put > > + * the xfs_defer_pending item back on the work list, and repeat > > + * the loop. This allows us to make partial progress even if > > + * the transaction is too full to finish the job. > > + * > > + * The key here is that we must log an intent item for all pending > > + * work items every time we roll the transaction, and that we must log > > + * a done item as soon as the work is completed. With this mechanism > > + * we can perform complex remapping operations, chaining intent items > > + * as needed. > > + * > > + * This is an example of remapping the extent (E, E+B) into file X at > > + * offset A and dealing with the extent (C, C+B) already being mapped > > + * there: > > + * +-------------------------------------------------+ > > + * | Unmap file X startblock C offset A length B | t0 > > + * | Intent to reduce refcount for extent (C, B) | > > + * | Intent to remove rmap (X, C, A, B) | > > + * | Intent to free extent (D, 1) (bmbt block) | > > + * | Intent to map (X, A, B) at startblock E | > > + * +-------------------------------------------------+ > > + * | Map file X startblock E offset A length B | t1 > > + * | Done mapping (X, E, A, B) | > > + * | Intent to increase refcount for extent (E, B) | > > + * | Intent to add rmap (X, E, A, B) | > > + * +-------------------------------------------------+ > > + * | Reduce refcount for extent (C, B) | t2 > > + * | Done reducing refcount for extent (C, B) | > > + * | Increase refcount for extent (E, B) | > > + * | Done increasing refcount for extent (E, B) | > > + * | Intent to free extent (C, B) | > > + * | Intent to free extent (F, 1) (refcountbt block) | > > + * | Intent to remove rmap (F, 1, REFC) | > > + * +-------------------------------------------------+ > > + * | Remove rmap (X, C, A, B) | t3 > > + * | Done removing rmap (X, C, A, B) | > > + * | Add rmap (X, E, A, B) | > > + * | Done adding rmap (X, E, A, B) | > > + * | Remove rmap (F, 1, REFC) | > > + * | Done removing rmap (F, 1, REFC) | > > + * +-------------------------------------------------+ > > + * | Free extent (C, B) | t4 > > + * | Done freeing extent (C, B) | > > + * | Free extent (D, 1) | > > + * | Done freeing extent (D, 1) | > > + * | Free extent (F, 1) | > > + * | Done freeing extent (F, 1) | > > + * +-------------------------------------------------+ > > + * > > + * If we should crash before t2 commits, log recovery replays > > + * the following intent items: > > + * > > + * - Intent to reduce refcount for extent (C, B) > > + * - Intent to remove rmap (X, C, A, B) > > + * - Intent to free extent (D, 1) (bmbt block) > > + * - Intent to increase refcount for extent (E, B) > > + * - Intent to add rmap (X, E, A, B) > > + * > > + * In the process of recovering, it should also generate and take care > > + * of these intent items: > > + * > > + * - Intent to free extent (C, B) > > + * - Intent to free extent (F, 1) (refcountbt block) > > + * - Intent to remove rmap (F, 1, REFC) > > + */ > > + > > +static const struct xfs_defer_op_type *defer_op_types[XFS_DEFER_OPS_TYPE_MAX]; > > + > > +/* > > + * For each pending item in the intake list, log its intent item and the > > + * associated extents, then add the entire intake list to the end of > > + * the pending list. > > + */ > > +STATIC void > > I don't think we're using 'STATIC' any longer. Better to use 'static' so > we can eventually kill off the former. <shrug> For debugging I've found it useful to have all these internal functions show up in stack traces, etc. On the other hand, I've noticed that all the new patches have eschewed STATIC for static. Will queue this for the next time I do full-patchbomb edits. > > +xfs_defer_intake_work( > > + struct xfs_trans *tp, > > + struct xfs_defer_ops *dop) > > +{ > > + struct list_head *li; > > + struct xfs_defer_pending *dfp; > > + > > + list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { > > + dfp->dfp_intent = dfp->dfp_type->create_intent(tp, > > + dfp->dfp_count); > > + list_sort(tp->t_mountp, &dfp->dfp_work, > > + dfp->dfp_type->diff_items); > > + list_for_each(li, &dfp->dfp_work) > > + dfp->dfp_type->log_item(tp, dfp->dfp_intent, li); > > + } > > + > > + list_splice_tail_init(&dop->dop_intake, &dop->dop_pending); > > +} > > + > > +/* Abort all the intents that were committed. */ > > +STATIC void > > +xfs_defer_trans_abort( > > + struct xfs_trans *tp, > > + struct xfs_defer_ops *dop, > > + int error) > > +{ > > + struct xfs_defer_pending *dfp; > > + > > + /* > > + * If the transaction was committed, drop the intent reference > > + * since we're bailing out of here. The other reference is > > + * dropped when the intent hits the AIL. If the transaction > > + * was not committed, the intent is freed by the intent item > > + * unlock handler on abort. > > + */ > > + if (!dop->dop_committed) > > + return; > > + > > + /* Abort intent items. */ > > + list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { > > + if (dfp->dfp_committed) > > + dfp->dfp_type->abort_intent(dfp->dfp_intent); > > + } > > + > > + /* Shut down FS. */ > > + xfs_force_shutdown(tp->t_mountp, (error == -EFSCORRUPTED) ? > > + SHUTDOWN_CORRUPT_INCORE : SHUTDOWN_META_IO_ERROR); > > +} > > + > > +/* Roll a transaction so we can do some deferred op processing. */ > > +STATIC int > > +xfs_defer_trans_roll( > > + struct xfs_trans **tp, > > + struct xfs_defer_ops *dop, > > + struct xfs_inode *ip) > > +{ > > + int i; > > + int error; > > + > > + /* Log all the joined inodes except the one we passed in. */ > > + for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) { > > + if (dop->dop_inodes[i] == ip) > > + continue; > > + xfs_trans_log_inode(*tp, dop->dop_inodes[i], XFS_ILOG_CORE); > > + } > > + > > + /* Roll the transaction. */ > > + error = xfs_trans_roll(tp, ip); > > + if (error) { > > + xfs_defer_trans_abort(*tp, dop, error); > > + return error; > > + } > > + dop->dop_committed = true; > > + > > + /* Log all the joined inodes except the one we passed in. */ > > Rejoin? Er, yes. :) > > + for (i = 0; i < XFS_DEFER_OPS_NR_INODES && dop->dop_inodes[i]; i++) { > > + if (dop->dop_inodes[i] == ip) > > + continue; > > + xfs_trans_ijoin(*tp, dop->dop_inodes[i], 0); > > + } > > + > > + return error; > > +} > > + > > +/* Do we have any work items to finish? */ > > +bool > > +xfs_defer_has_unfinished_work( > > + struct xfs_defer_ops *dop) > > +{ > > + return !list_empty(&dop->dop_pending) || !list_empty(&dop->dop_intake); > > +} > > + > > +/* > > + * Add this inode to the deferred op. Each joined inode is relogged > > + * each time we roll the transaction, in addition to any inode passed > > + * to xfs_defer_finish(). > > + */ > > +int > > +xfs_defer_join( > > + struct xfs_defer_ops *dop, > > + struct xfs_inode *ip) > > +{ > > + int i; > > + > > + for (i = 0; i < XFS_DEFER_OPS_NR_INODES; i++) { > > + if (dop->dop_inodes[i] == ip) > > + return 0; > > + else if (dop->dop_inodes[i] == NULL) { > > + dop->dop_inodes[i] = ip; > > + return 0; > > + } > > + } > > + > > + return -EFSCORRUPTED; > > +} > > + > > +/* > > + * Finish all the pending work. This involves logging intent items for > > + * any work items that wandered in since the last transaction roll (if > > + * one has even happened), rolling the transaction, and finishing the > > + * work items in the first item on the logged-and-pending list. > > + * > > + * If an inode is provided, relog it to the new transaction. > > + */ > > +int > > +xfs_defer_finish( > > + struct xfs_trans **tp, > > + struct xfs_defer_ops *dop, > > + struct xfs_inode *ip) > > +{ > > + struct xfs_defer_pending *dfp; > > + struct list_head *li; > > + struct list_head *n; > > + void *done_item = NULL; > > + void *state; > > + int error = 0; > > + void (*cleanup_fn)(struct xfs_trans *, void *, int); > > + > > + ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); > > + > > + /* Until we run out of pending work to finish... */ > > + while (xfs_defer_has_unfinished_work(dop)) { > > + /* Log intents for work items sitting in the intake. */ > > + xfs_defer_intake_work(*tp, dop); > > + > > + /* Roll the transaction. */ > > + error = xfs_defer_trans_roll(tp, dop, ip); > > + if (error) > > + goto out; > > + > > + /* Mark all pending intents as committed. */ > > + list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { > > + if (dfp->dfp_committed) > > + break; > > + dfp->dfp_committed = true; > > + } > > + > > + /* Log an intent-done item for the first pending item. */ > > + dfp = list_first_entry(&dop->dop_pending, > > + struct xfs_defer_pending, dfp_list); > > + done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, > > + dfp->dfp_count); > > + cleanup_fn = dfp->dfp_type->finish_cleanup; > > + > > + /* Finish the work items. */ > > + state = NULL; > > + list_for_each_safe(li, n, &dfp->dfp_work) { > > + list_del(li); > > + dfp->dfp_count--; > > + error = dfp->dfp_type->finish_item(*tp, dop, li, > > + done_item, &state); > > + if (error == -EAGAIN) { > > + /* > > + * If the caller needs to try again, put the > > + * item back on the pending list and jump out > > + * for further processing. > > A little confused by the terminology here. Perhaps better to say "back > on the work list" rather than "pending list?" Yes. > Also, what is the meaning/purpose of -EAGAIN here? This isn't used by > the extent free bits so I'm missing some context. Generally, the ->finish_item() uses -EAGAIN to signal that it couldn't finish the work item and that it's necessary to log a new redo item and try again. Practically, the only user of this mechanism is the refcountbt adjust function. It might be the case that we want to adjust N blocks, but some pathological user has creatively used reflink to create many refcount records. In that case we could blow out the transaction reservation logging all the updates. To avoid that, the refcount code tries to guess (conservatively) when it might be getting close and returns a short *adjusted. See the call sites of xfs_refcount_still_have_space(). Next, xfs_trans_log_finish_refcount_update() will notice the short adjust returned and fixes up the CUD item to have a reduced cud_nextents and to reflect where the operation stopped. Then, xfs_refcount_update_finish_item() notices the short return, updates the work item list, and returns -EAGAIN. Finally, xfs_defer_finish() sees the -EAGAIN and requeues the work item so that we resume refcount adjusting after the transaction rolls. > For example, is there > an issue with carrying a done_item with an unexpected list count? AFAICT, nothing in log recovery ever checks that the list counts of the intent and done items actually match, let alone the extents logged with them. It only seems to care if there's an efd such that efd->efd_efi_id == efi->efi_id, in which case it won't replay the efi. I don't know if that was a deliberate part of the log design, but the lack of checking helps us here. > Is it > expected that xfs_defer_finish() will not return until -EAGAIN is > "cleared" (does relogging below and rolling somehow address this)? Yes, relogging and rolling gives us a fresh transaction with which to continue updating. > > + */ > > + list_add(li, &dfp->dfp_work); > > + dfp->dfp_count++; > > + break; > > + } else if (error) { > > + /* > > + * Clean up after ourselves and jump out. > > + * xfs_defer_cancel will take care of freeing > > + * all these lists and stuff. > > + */ > > + if (cleanup_fn) > > + cleanup_fn(*tp, state, error); > > + xfs_defer_trans_abort(*tp, dop, error); > > + goto out; > > + } > > + } > > + if (error == -EAGAIN) { > > + /* > > + * Log a new intent, relog all the remaining work > > + * item to the new intent, attach the new intent to > > + * the dfp, and leave the dfp at the head of the list > > + * for further processing. > > + */ > > Similar to the above, could you elaborate on the mechanics of this with > respect to the log? E.g., the comment kind of just repeats what the > code does as opposed to explain why it's here. Is the point here to log > a new intent in the same transaction as the done item to ensure that we > (atomically) indicate that certain operations need to be replayed if > this transaction hits the log and then we crash? Yes. "This effectively replaces the old intent item with a new one listing only the work items that were not completed when ->finish_item() returned -EAGAIN. After the subsequent transaction roll, we'll resume where we left off with a fresh transaction." Thank you for the review! --D > Brian > > > + dfp->dfp_intent = dfp->dfp_type->create_intent(*tp, > > + dfp->dfp_count); > > + list_for_each(li, &dfp->dfp_work) > > + dfp->dfp_type->log_item(*tp, dfp->dfp_intent, > > + li); > > + } else { > > + /* Done with the dfp, free it. */ > > + list_del(&dfp->dfp_list); > > + kmem_free(dfp); > > + } > > + > > + if (cleanup_fn) > > + cleanup_fn(*tp, state, error); > > + } > > + > > +out: > > + return error; > > +} > > + > > +/* > > + * Free up any items left in the list. > > + */ > > +void > > +xfs_defer_cancel( > > + struct xfs_defer_ops *dop) > > +{ > > + struct xfs_defer_pending *dfp; > > + struct xfs_defer_pending *pli; > > + struct list_head *pwi; > > + struct list_head *n; > > + > > + /* > > + * Free the pending items. Caller should already have arranged > > + * for the intent items to be released. > > + */ > > + list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { > > + list_del(&dfp->dfp_list); > > + list_for_each_safe(pwi, n, &dfp->dfp_work) { > > + list_del(pwi); > > + dfp->dfp_count--; > > + dfp->dfp_type->cancel_item(pwi); > > + } > > + ASSERT(dfp->dfp_count == 0); > > + kmem_free(dfp); > > + } > > + list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { > > + list_del(&dfp->dfp_list); > > + list_for_each_safe(pwi, n, &dfp->dfp_work) { > > + list_del(pwi); > > + dfp->dfp_count--; > > + dfp->dfp_type->cancel_item(pwi); > > + } > > + ASSERT(dfp->dfp_count == 0); > > + kmem_free(dfp); > > + } > > +} > > + > > +/* Add an item for later deferred processing. */ > > +void > > +xfs_defer_add( > > + struct xfs_defer_ops *dop, > > + enum xfs_defer_ops_type type, > > + struct list_head *li) > > +{ > > + struct xfs_defer_pending *dfp = NULL; > > + > > + /* > > + * Add the item to a pending item at the end of the intake list. > > + * If the last pending item has the same type, reuse it. Else, > > + * create a new pending item at the end of the intake list. > > + */ > > + if (!list_empty(&dop->dop_intake)) { > > + dfp = list_last_entry(&dop->dop_intake, > > + struct xfs_defer_pending, dfp_list); > > + if (dfp->dfp_type->type != type || > > + (dfp->dfp_type->max_items && > > + dfp->dfp_count >= dfp->dfp_type->max_items)) > > + dfp = NULL; > > + } > > + if (!dfp) { > > + dfp = kmem_alloc(sizeof(struct xfs_defer_pending), > > + KM_SLEEP | KM_NOFS); > > + dfp->dfp_type = defer_op_types[type]; > > + dfp->dfp_committed = false; > > + dfp->dfp_intent = NULL; > > + dfp->dfp_count = 0; > > + INIT_LIST_HEAD(&dfp->dfp_work); > > + list_add_tail(&dfp->dfp_list, &dop->dop_intake); > > + } > > + > > + list_add_tail(li, &dfp->dfp_work); > > + dfp->dfp_count++; > > +} > > + > > +/* Initialize a deferred operation list. */ > > +void > > +xfs_defer_init_op_type( > > + const struct xfs_defer_op_type *type) > > +{ > > + defer_op_types[type->type] = type; > > +} > > + > > +/* Initialize a deferred operation. */ > > +void > > +xfs_defer_init( > > + struct xfs_defer_ops *dop, > > + xfs_fsblock_t *fbp) > > +{ > > + dop->dop_committed = false; > > + dop->dop_low = false; > > + memset(&dop->dop_inodes, 0, sizeof(dop->dop_inodes)); > > + *fbp = NULLFSBLOCK; > > + INIT_LIST_HEAD(&dop->dop_intake); > > + INIT_LIST_HEAD(&dop->dop_pending); > > +} > > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > > new file mode 100644 > > index 0000000..85c7a3a > > --- /dev/null > > +++ b/fs/xfs/libxfs/xfs_defer.h > > @@ -0,0 +1,96 @@ > > +/* > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > + * > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > + * > > + * This program is free software; you can redistribute it and/or > > + * modify it under the terms of the GNU General Public License > > + * as published by the Free Software Foundation; either version 2 > > + * of the License, or (at your option) any later version. > > + * > > + * This program is distributed in the hope that it would be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + * > > + * You should have received a copy of the GNU General Public License > > + * along with this program; if not, write the Free Software Foundation, > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > + */ > > +#ifndef __XFS_DEFER_H__ > > +#define __XFS_DEFER_H__ > > + > > +struct xfs_defer_op_type; > > + > > +/* > > + * Save a log intent item and a list of extents, so that we can replay > > + * whatever action had to happen to the extent list and file the log done > > + * item. > > + */ > > +struct xfs_defer_pending { > > + const struct xfs_defer_op_type *dfp_type; /* function pointers */ > > + struct list_head dfp_list; /* pending items */ > > + bool dfp_committed; /* committed trans? */ > > + void *dfp_intent; /* log intent item */ > > + struct list_head dfp_work; /* work items */ > > + unsigned int dfp_count; /* # extent items */ > > +}; > > + > > +/* > > + * Header for deferred operation list. > > + * > > + * dop_low is used by the allocator to activate the lowspace algorithm - > > + * when free space is running low the extent allocator may choose to > > + * allocate an extent from an AG without leaving sufficient space for > > + * a btree split when inserting the new extent. In this case the allocator > > + * will enable the lowspace algorithm which is supposed to allow further > > + * allocations (such as btree splits and newroots) to allocate from > > + * sequential AGs. In order to avoid locking AGs out of order the lowspace > > + * algorithm will start searching for free space from AG 0. If the correct > > + * transaction reservations have been made then this algorithm will eventually > > + * find all the space it needs. > > + */ > > +enum xfs_defer_ops_type { > > + XFS_DEFER_OPS_TYPE_MAX, > > +}; > > + > > +#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */ > > + > > +struct xfs_defer_ops { > > + bool dop_committed; /* did any trans commit? */ > > + bool dop_low; /* alloc in low mode */ > > + struct list_head dop_intake; /* unlogged pending work */ > > + struct list_head dop_pending; /* logged pending work */ > > + > > + /* relog these inodes with each roll */ > > + struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES]; > > +}; > > + > > +void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type, > > + struct list_head *h); > > +int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop, > > + struct xfs_inode *ip); > > +void xfs_defer_cancel(struct xfs_defer_ops *dop); > > +void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp); > > +bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop); > > +int xfs_defer_join(struct xfs_defer_ops *dop, struct xfs_inode *ip); > > + > > +/* Description of a deferred type. */ > > +struct xfs_defer_op_type { > > + enum xfs_defer_ops_type type; > > + unsigned int max_items; > > + void (*abort_intent)(void *); > > + void *(*create_done)(struct xfs_trans *, void *, unsigned int); > > + int (*finish_item)(struct xfs_trans *, struct xfs_defer_ops *, > > + struct list_head *, void *, void **); > > + void (*finish_cleanup)(struct xfs_trans *, void *, int); > > + void (*cancel_item)(struct list_head *); > > + int (*diff_items)(void *, struct list_head *, struct list_head *); > > + void *(*create_intent)(struct xfs_trans *, uint); > > + void (*log_item)(struct xfs_trans *, void *, struct list_head *); > > +}; > > + > > +void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); > > +void xfs_defer_init_types(void); > > + > > +#endif /* __XFS_DEFER_H__ */ > > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > > new file mode 100644 > > index 0000000..849088d > > --- /dev/null > > +++ b/fs/xfs/xfs_defer_item.c > > @@ -0,0 +1,36 @@ > > +/* > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > + * > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > + * > > + * This program is free software; you can redistribute it and/or > > + * modify it under the terms of the GNU General Public License > > + * as published by the Free Software Foundation; either version 2 > > + * of the License, or (at your option) any later version. > > + * > > + * This program is distributed in the hope that it would be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + * > > + * You should have received a copy of the GNU General Public License > > + * along with this program; if not, write the Free Software Foundation, > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > + */ > > +#include "xfs.h" > > +#include "xfs_fs.h" > > +#include "xfs_shared.h" > > +#include "xfs_format.h" > > +#include "xfs_log_format.h" > > +#include "xfs_trans_resv.h" > > +#include "xfs_bit.h" > > +#include "xfs_sb.h" > > +#include "xfs_mount.h" > > +#include "xfs_defer.h" > > +#include "xfs_trans.h" > > + > > +/* Initialize the deferred operation types. */ > > +void > > +xfs_defer_init_types(void) > > +{ > > +} > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > > index 09722a7..bf63f6d 100644 > > --- a/fs/xfs/xfs_super.c > > +++ b/fs/xfs/xfs_super.c > > @@ -46,6 +46,7 @@ > > #include "xfs_quota.h" > > #include "xfs_sysfs.h" > > #include "xfs_ondisk.h" > > +#include "xfs_defer.h" > > > > #include <linux/namei.h> > > #include <linux/init.h> > > @@ -1850,6 +1851,7 @@ init_xfs_fs(void) > > printk(KERN_INFO XFS_VERSION_STRING " with " > > XFS_BUILD_OPTIONS " enabled\n"); > > > > + xfs_defer_init_types(); > > xfs_dir_startup(); > > > > error = xfs_init_zones(); > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Mon Jun 27 16:08:01 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 330A47CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 16:08:01 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 067748F8037 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 14:07:57 -0700 (PDT) X-ASG-Debug-ID: 1467061673-04cb6c063f2029a0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id ap2d2gpcQV56eEg0 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 14:07:53 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5RL7om2003256 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 21:07:50 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5RL7obU006162 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 21:07:50 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5RL7mF4021454; Mon, 27 Jun 2016 21:07:49 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 27 Jun 2016 14:07:48 -0700 Date: Mon, 27 Jun 2016 14:07:46 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 014/119] xfs: introduce interval queries on btrees Message-ID: <20160627210746.GB4921@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 014/119] xfs: introduce interval queries on btrees References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612636170.12839.675596870201079078.stgit@birch.djwong.org> <20160622151800.GC5423@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622151800.GC5423@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1467061673 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15261 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30812 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Wed, Jun 22, 2016 at 11:18:00AM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:19:21PM -0700, Darrick J. Wong wrote: > > Create a function to enable querying of btree records mapping to a > > range of keys. This will be used in subsequent patches to allow > > querying the reverse mapping btree to find the extents mapped to a > > range of physical blocks, though the generic code can be used for > > any range query. > > > > v2: add some shortcuts so that we can jump out of processing once > > we know there won't be any more records to find. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > --- > > fs/xfs/libxfs/xfs_btree.c | 249 +++++++++++++++++++++++++++++++++++++++++++++ > > fs/xfs/libxfs/xfs_btree.h | 22 +++- > > fs/xfs/xfs_trace.h | 1 > > 3 files changed, 267 insertions(+), 5 deletions(-) > > > > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > index afcafd6..5f5cf23 100644 > > --- a/fs/xfs/libxfs/xfs_btree.c > > +++ b/fs/xfs/libxfs/xfs_btree.c > > @@ -4509,3 +4509,252 @@ xfs_btree_calc_size( > > } > > return rval; > > } > > + > > +/* Query a regular btree for all records overlapping a given interval. */ > > Can you elaborate on the search algorithm used? (More for reference > against the overlapped query, as that one is more complex). Ok. Both query_range functions aim to return all records intersecting the given range. For non-overlapped btrees, we start with a LE lookup of the low key and return each record we find a the record with a key greater than the high key. For overlapped btrees, we follow the procedure in the "Interval trees" section of _Introduction to Algorithms_, which is 14.3 in the 2nd and 3rd editions. The query algorithm is roughly as follows: For any leaf btree node, generate the low and high keys for the record. If there's a range overlap with the query's low and high keys, pass the record to the iterator function. For any internal btree node, compare the low and high keys for each pointer against the query's low and high keys. If there's an overlap, follow the pointer downwards in the tree. (I could render the figures in the book as ASCII art if anyone wants.) > > > +STATIC int > > +xfs_btree_simple_query_range( > > + struct xfs_btree_cur *cur, > > + union xfs_btree_irec *low_rec, > > + union xfs_btree_irec *high_rec, > > + xfs_btree_query_range_fn fn, > > + void *priv) > > +{ > > + union xfs_btree_rec *recp; > > + union xfs_btree_rec rec; > > + union xfs_btree_key low_key; > > + union xfs_btree_key high_key; > > + union xfs_btree_key rec_key; > > + __int64_t diff; > > + int stat; > > + bool firstrec = true; > > + int error; > > + > > + ASSERT(cur->bc_ops->init_high_key_from_rec); > > + > > + /* Find the keys of both ends of the interval. */ > > + cur->bc_rec = *high_rec; > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > + cur->bc_ops->init_key_from_rec(&high_key, &rec); > > + > > + cur->bc_rec = *low_rec; > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > + cur->bc_ops->init_key_from_rec(&low_key, &rec); > > + > > + /* Find the leftmost record. */ > > + stat = 0; > > + error = xfs_btree_lookup(cur, XFS_LOOKUP_LE, &stat); > > + if (error) > > + goto out; > > + > > + while (stat) { > > + /* Find the record. */ > > + error = xfs_btree_get_rec(cur, &recp, &stat); > > + if (error || !stat) > > + break; > > + > > + /* Can we tell if this record is too low? */ > > + if (firstrec) { > > + cur->bc_rec = *low_rec; > > + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); > > + diff = cur->bc_ops->key_diff(cur, &rec_key); > > + if (diff < 0) > > + goto advloop; > > + } > > + firstrec = false; > > This could move up into the if block. Ok. > > + > > + /* Have we gone past the end? */ > > + cur->bc_rec = *high_rec; > > + cur->bc_ops->init_key_from_rec(&rec_key, recp); > > I'd move this up to immediately after the xfs_btree_get_rec() call and > eliminate the duplicate in the 'if (firstrec)' block above. Ok. That key ought to be named rec_hkey too. > > + diff = cur->bc_ops->key_diff(cur, &rec_key); > > + if (diff > 0) > > + break; > > + > > + /* Callback */ > > + error = fn(cur, recp, priv); > > + if (error < 0 || error == XFS_BTREE_QUERY_RANGE_ABORT) > > + break; > > + > > +advloop: > > + /* Move on to the next record. */ > > + error = xfs_btree_increment(cur, 0, &stat); > > + if (error) > > + break; > > + } > > + > > +out: > > + return error; > > +} > > + > > +/* > > + * Query an overlapped interval btree for all records overlapping a given > > + * interval. > > + */ > > Same comment here, can you elaborate on the search algorithm? Also, I > think an example or generic description of the rules around what records > this query returns (e.g., low_rec/high_rec vs. record low/high keys) > would be useful, particularly since I, at least, don't have much context > on the rmap+reflink scenarios quite yet. Let's say you have a bunch of (overlapped) rmap records: 1: +- file A startblock B offset C length D -----------+ 2: +- file E startblock F offset G length H --------------+ 3: +- file I startblock F offset J length K --+ 4: +- file L... --+ Now say we want to map block (B+D) into file A at offset (C+D). Ideally, we'd simply increment the length of record 1. But how do we find that record that ends at (B+D-1)? A LE lookup of (B+D-1) would return record 3 because the keys are ordered first by startblock. An interval query would return records 1 and 2 because they both overlap (B+D-1), and from that we can pick out record 1 as the appropriate left neighbor. In the non-overlapped case you can do a LE lookup and decrement the cursor because a record's interval must end before the next record. > > +STATIC int > > +xfs_btree_overlapped_query_range( > > + struct xfs_btree_cur *cur, > > + union xfs_btree_irec *low_rec, > > + union xfs_btree_irec *high_rec, > > + xfs_btree_query_range_fn fn, > > + void *priv) > > +{ > > + union xfs_btree_ptr ptr; > > + union xfs_btree_ptr *pp; > > + union xfs_btree_key rec_key; > > + union xfs_btree_key low_key; > > + union xfs_btree_key high_key; > > + union xfs_btree_key *lkp; > > + union xfs_btree_key *hkp; > > + union xfs_btree_rec rec; > > + union xfs_btree_rec *recp; > > + struct xfs_btree_block *block; > > + __int64_t ldiff; > > + __int64_t hdiff; > > + int level; > > + struct xfs_buf *bp; > > + int i; > > + int error; > > + > > + /* Find the keys of both ends of the interval. */ > > + cur->bc_rec = *high_rec; > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > + cur->bc_ops->init_key_from_rec(&high_key, &rec); > > + > > + cur->bc_rec = *low_rec; > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > + cur->bc_ops->init_key_from_rec(&low_key, &rec); > > + > > + /* Load the root of the btree. */ > > + level = cur->bc_nlevels - 1; > > + cur->bc_ops->init_ptr_from_cur(cur, &ptr); > > + error = xfs_btree_lookup_get_block(cur, level, &ptr, &block); > > + if (error) > > + return error; > > + xfs_btree_get_block(cur, level, &bp); > > + trace_xfs_btree_overlapped_query_range(cur, level, bp); > > +#ifdef DEBUG > > + error = xfs_btree_check_block(cur, block, level, bp); > > + if (error) > > + goto out; > > +#endif > > + cur->bc_ptrs[level] = 1; > > + > > + while (level < cur->bc_nlevels) { > > + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); > > + > > + if (level == 0) { > > + /* End of leaf, pop back towards the root. */ > > + if (cur->bc_ptrs[level] > > > + be16_to_cpu(block->bb_numrecs)) { > > +leaf_pop_up: > > + if (level < cur->bc_nlevels - 1) > > + cur->bc_ptrs[level + 1]++; > > + level++; > > + continue; > > + } > > + > > + recp = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); > > + > > + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); > > + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, > > + &rec_key); > > + > > + cur->bc_ops->init_key_from_rec(&rec_key, recp); > > + hdiff = cur->bc_ops->diff_two_keys(cur, &rec_key, > > + &high_key); > > + > > This looked a little funny to me because I expected diff_two_keys() to > basically be param1 - param2. Looking ahead at the rmapbt code, it is in > fact the other way around. I'm not sure we have precedent for either > way, tbh. I still have to stare at this some more, but I wonder if a > "does record overlap" helper (with comments) would help clean this up a > bit. You're correct this is exactly the opposite of the compare functions in the C library and the rest of the kernel. I'll fix that up. > > + /* If the record matches, callback */ > > + if (ldiff >= 0 && hdiff >= 0) { Ok, I'll make it a little clearer what we're testing here: /* * If (record's high key >= query's low key) and * (query's high key >= record's low key), then * this record overlaps the query range, so callback. */ > > + error = fn(cur, recp, priv); > > + if (error < 0 || > > + error == XFS_BTREE_QUERY_RANGE_ABORT) > > + break; > > + } else if (hdiff < 0) { > > + /* Record is larger than high key; pop. */ > > + goto leaf_pop_up; > > + } > > + cur->bc_ptrs[level]++; > > + continue; > > + } > > + > > + /* End of node, pop back towards the root. */ > > + if (cur->bc_ptrs[level] > be16_to_cpu(block->bb_numrecs)) { > > +node_pop_up: > > + if (level < cur->bc_nlevels - 1) > > + cur->bc_ptrs[level + 1]++; > > + level++; > > + continue; > > Looks like same code as leaf_pop_up. I wonder if we can bury this at the > end of the loop with a common label. Yep. > > + } > > + > > + lkp = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); > > + hkp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level], block); > > + pp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[level], block); > > + > > + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, hkp); > > + hdiff = cur->bc_ops->diff_two_keys(cur, lkp, &high_key); > > + > > + /* If the key matches, drill another level deeper. */ > > + if (ldiff >= 0 && hdiff >= 0) { > > + level--; > > + error = xfs_btree_lookup_get_block(cur, level, pp, > > + &block); > > + if (error) > > + goto out; > > + xfs_btree_get_block(cur, level, &bp); > > + trace_xfs_btree_overlapped_query_range(cur, level, bp); > > +#ifdef DEBUG > > + error = xfs_btree_check_block(cur, block, level, bp); > > + if (error) > > + goto out; > > +#endif > > + cur->bc_ptrs[level] = 1; > > + continue; > > + } else if (hdiff < 0) { > > + /* The low key is larger than the upper range; pop. */ > > + goto node_pop_up; > > + } > > + cur->bc_ptrs[level]++; > > + } > > + > > +out: > > + /* > > + * If we don't end this function with the cursor pointing at a record > > + * block, a subsequent non-error cursor deletion will not release > > + * node-level buffers, causing a buffer leak. This is quite possible > > + * with a zero-results range query, so release the buffers if we > > + * failed to return any results. > > + */ > > + if (cur->bc_bufs[0] == NULL) { > > + for (i = 0; i < cur->bc_nlevels; i++) { > > + if (cur->bc_bufs[i]) { > > + xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[i]); > > + cur->bc_bufs[i] = NULL; > > + cur->bc_ptrs[i] = 0; > > + cur->bc_ra[i] = 0; > > + } > > + } > > + } > > + > > + return error; > > +} > > + > > +/* > > + * Query a btree for all records overlapping a given interval of keys. The > > + * supplied function will be called with each record found; return one of the > > + * XFS_BTREE_QUERY_RANGE_{CONTINUE,ABORT} values or the usual negative error > > + * code. This function returns XFS_BTREE_QUERY_RANGE_ABORT, zero, or a > > + * negative error code. > > + */ > > +int > > +xfs_btree_query_range( > > + struct xfs_btree_cur *cur, > > + union xfs_btree_irec *low_rec, > > + union xfs_btree_irec *high_rec, > > + xfs_btree_query_range_fn fn, > > + void *priv) > > +{ > > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > > + return xfs_btree_simple_query_range(cur, low_rec, > > + high_rec, fn, priv); > > + return xfs_btree_overlapped_query_range(cur, low_rec, high_rec, > > + fn, priv); > > +} > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > index a5ec6c7..898fee5 100644 > > --- a/fs/xfs/libxfs/xfs_btree.h > > +++ b/fs/xfs/libxfs/xfs_btree.h > > @@ -206,6 +206,12 @@ struct xfs_btree_ops { > > #define LASTREC_DELREC 2 > > > > > > +union xfs_btree_irec { > > + xfs_alloc_rec_incore_t a; > > + xfs_bmbt_irec_t b; > > + xfs_inobt_rec_incore_t i; > > +}; > > + > > We might as well kill off the typedef usage here. Ok. Thx for the review! --D > > Brian > > > /* > > * Btree cursor structure. > > * This collects all information needed by the btree code in one place. > > @@ -216,11 +222,7 @@ typedef struct xfs_btree_cur > > struct xfs_mount *bc_mp; /* file system mount struct */ > > const struct xfs_btree_ops *bc_ops; > > uint bc_flags; /* btree features - below */ > > - union { > > - xfs_alloc_rec_incore_t a; > > - xfs_bmbt_irec_t b; > > - xfs_inobt_rec_incore_t i; > > - } bc_rec; /* current insert/search record value */ > > + union xfs_btree_irec bc_rec; /* current insert/search record value */ > > struct xfs_buf *bc_bufs[XFS_BTREE_MAXLEVELS]; /* buf ptr per level */ > > int bc_ptrs[XFS_BTREE_MAXLEVELS]; /* key/record # */ > > __uint8_t bc_ra[XFS_BTREE_MAXLEVELS]; /* readahead bits */ > > @@ -494,4 +496,14 @@ xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, > > uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, > > unsigned long len); > > > > +/* return codes */ > > +#define XFS_BTREE_QUERY_RANGE_CONTINUE 0 /* keep iterating */ > > +#define XFS_BTREE_QUERY_RANGE_ABORT 1 /* stop iterating */ > > +typedef int (*xfs_btree_query_range_fn)(struct xfs_btree_cur *cur, > > + union xfs_btree_rec *rec, void *priv); > > + > > +int xfs_btree_query_range(struct xfs_btree_cur *cur, > > + union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, > > + xfs_btree_query_range_fn fn, void *priv); > > + > > #endif /* __XFS_BTREE_H__ */ > > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > > index ffea28c..f0ac9c9 100644 > > --- a/fs/xfs/xfs_trace.h > > +++ b/fs/xfs/xfs_trace.h > > @@ -2218,6 +2218,7 @@ DEFINE_EVENT(xfs_btree_cur_class, name, \ > > TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ > > TP_ARGS(cur, level, bp)) > > DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > > +DEFINE_BTREE_CUR_EVENT(xfs_btree_overlapped_query_range); > > > > #endif /* _TRACE_XFS_H */ > > > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Mon Jun 27 16:41:58 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 6764E7CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 16:41:58 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id E5A93AC005 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 14:41:54 -0700 (PDT) X-ASG-Debug-ID: 1467063712-04bdf074b61502b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id A1EHOdPosIoDjEQ6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 14:41:52 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5RLfn0x002957 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 21:41:50 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5RLfncB017191 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 21:41:49 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5RLfmkU004773; Mon, 27 Jun 2016 21:41:49 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 27 Jun 2016 14:41:48 -0700 Date: Mon, 27 Jun 2016 14:41:45 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free Message-ID: <20160627214145.GC4921@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612638717.12839.11007379793448761871.stgit@birch.djwong.org> <20160627131508.GC23076@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160627131508.GC23076@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467063712 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5080 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30813 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Mon, Jun 27, 2016 at 09:15:08AM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:19:47PM -0700, Darrick J. Wong wrote: > > Connect the xfs_defer mechanism with the pieces that we'll need to > > handle deferred extent freeing. We'll wire up the existing code to > > our new deferred mechanism later. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > --- > > Could we merge this with the xfs_trans_*efi/efd* bits? We'd need to > preserve some calls for recovery, but it looks like other parts are only > used by the deferred ops infrastructure at this point. Yes, we could replace xfs_bmap_free_create_{intent,done} with xfs_trans_get_ef[id] and lose the silly functions. I'll go take care of all of them. --D > > Brian > > > fs/xfs/libxfs/xfs_defer.h | 1 > > fs/xfs/xfs_defer_item.c | 108 +++++++++++++++++++++++++++++++++++++++++++++ > > 2 files changed, 109 insertions(+) > > > > > > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > > index 85c7a3a..743fc32 100644 > > --- a/fs/xfs/libxfs/xfs_defer.h > > +++ b/fs/xfs/libxfs/xfs_defer.h > > @@ -51,6 +51,7 @@ struct xfs_defer_pending { > > * find all the space it needs. > > */ > > enum xfs_defer_ops_type { > > + XFS_DEFER_OPS_TYPE_FREE, > > XFS_DEFER_OPS_TYPE_MAX, > > }; > > > > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > > index 4c2ba28..127a54e 100644 > > --- a/fs/xfs/xfs_defer_item.c > > +++ b/fs/xfs/xfs_defer_item.c > > @@ -29,9 +29,117 @@ > > #include "xfs_defer.h" > > #include "xfs_trans.h" > > #include "xfs_trace.h" > > +#include "xfs_bmap.h" > > +#include "xfs_extfree_item.h" > > + > > +/* Extent Freeing */ > > + > > +/* Sort bmap items by AG. */ > > +static int > > +xfs_bmap_free_diff_items( > > + void *priv, > > + struct list_head *a, > > + struct list_head *b) > > +{ > > + struct xfs_mount *mp = priv; > > + struct xfs_bmap_free_item *ra; > > + struct xfs_bmap_free_item *rb; > > + > > + ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); > > + rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); > > + return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - > > + XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); > > +} > > + > > +/* Get an EFI. */ > > +STATIC void * > > +xfs_bmap_free_create_intent( > > + struct xfs_trans *tp, > > + unsigned int count) > > +{ > > + return xfs_trans_get_efi(tp, count); > > +} > > + > > +/* Log a free extent to the intent item. */ > > +STATIC void > > +xfs_bmap_free_log_item( > > + struct xfs_trans *tp, > > + void *intent, > > + struct list_head *item) > > +{ > > + struct xfs_bmap_free_item *free; > > + > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > + xfs_trans_log_efi_extent(tp, intent, free->xbfi_startblock, > > + free->xbfi_blockcount); > > +} > > + > > +/* Get an EFD so we can process all the free extents. */ > > +STATIC void * > > +xfs_bmap_free_create_done( > > + struct xfs_trans *tp, > > + void *intent, > > + unsigned int count) > > +{ > > + return xfs_trans_get_efd(tp, intent, count); > > +} > > + > > +/* Process a free extent. */ > > +STATIC int > > +xfs_bmap_free_finish_item( > > + struct xfs_trans *tp, > > + struct xfs_defer_ops *dop, > > + struct list_head *item, > > + void *done_item, > > + void **state) > > +{ > > + struct xfs_bmap_free_item *free; > > + int error; > > + > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > + error = xfs_trans_free_extent(tp, done_item, > > + free->xbfi_startblock, > > + free->xbfi_blockcount); > > + kmem_free(free); > > + return error; > > +} > > + > > +/* Abort all pending EFIs. */ > > +STATIC void > > +xfs_bmap_free_abort_intent( > > + void *intent) > > +{ > > + xfs_efi_release(intent); > > +} > > + > > +/* Cancel a free extent. */ > > +STATIC void > > +xfs_bmap_free_cancel_item( > > + struct list_head *item) > > +{ > > + struct xfs_bmap_free_item *free; > > + > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > + kmem_free(free); > > +} > > + > > +const struct xfs_defer_op_type xfs_extent_free_defer_type = { > > + .type = XFS_DEFER_OPS_TYPE_FREE, > > + .max_items = XFS_EFI_MAX_FAST_EXTENTS, > > + .diff_items = xfs_bmap_free_diff_items, > > + .create_intent = xfs_bmap_free_create_intent, > > + .abort_intent = xfs_bmap_free_abort_intent, > > + .log_item = xfs_bmap_free_log_item, > > + .create_done = xfs_bmap_free_create_done, > > + .finish_item = xfs_bmap_free_finish_item, > > + .cancel_item = xfs_bmap_free_cancel_item, > > +}; > > + > > +/* Deferred Item Initialization */ > > > > /* Initialize the deferred operation types. */ > > void > > xfs_defer_init_types(void) > > { > > + xfs_defer_init_op_type(&xfs_extent_free_defer_type); > > } > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Mon Jun 27 17:00:12 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id C31027CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 17:00:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 92567304032 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 15:00:12 -0700 (PDT) X-ASG-Debug-ID: 1467064809-04cbb0273729f790001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id FxMX2aeeE05YpN1M (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 15:00:09 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5RM077Z021037 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 22:00:07 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5RM07tl030282 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 22:00:07 GMT Received: from abhmp0001.oracle.com (abhmp0001.oracle.com [141.146.116.7]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5RM05Ea016429; Mon, 27 Jun 2016 22:00:06 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 27 Jun 2016 15:00:04 -0700 Date: Mon, 27 Jun 2016 15:00:03 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free Message-ID: <20160627220003.GA4917@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612638717.12839.11007379793448761871.stgit@birch.djwong.org> <20160627131508.GC23076@bfoster.bfoster> <20160627214145.GC4921@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20160627214145.GC4921@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467064809 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6114 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30814 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Mon, Jun 27, 2016 at 02:41:45PM -0700, Darrick J. Wong wrote: > On Mon, Jun 27, 2016 at 09:15:08AM -0400, Brian Foster wrote: > > On Thu, Jun 16, 2016 at 06:19:47PM -0700, Darrick J. Wong wrote: > > > Connect the xfs_defer mechanism with the pieces that we'll need to > > > handle deferred extent freeing. We'll wire up the existing code to > > > our new deferred mechanism later. > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > --- > > > > Could we merge this with the xfs_trans_*efi/efd* bits? We'd need to > > preserve some calls for recovery, but it looks like other parts are only > > used by the deferred ops infrastructure at this point. > > Yes, we could replace xfs_bmap_free_create_{intent,done} with > xfs_trans_get_ef[id] and lose the silly functions. I'll go take > care of all of them. Hah, gcc complains about the mismatch in pointer types for the second argument. fs/xfs/xfs_defer_item.c:504:17: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .create_done = xfs_trans_get_bud, ^ fs/xfs/xfs_defer_item.c:504:17: note: (near initialization for ‘xfs_bmap_update_defer_type.create_done’) I guess one could put in an ugly cast to coerce the types at a cost of uglifying the code. <shrug> Opinions? --D > > --D > > > > > Brian > > > > > fs/xfs/libxfs/xfs_defer.h | 1 > > > fs/xfs/xfs_defer_item.c | 108 +++++++++++++++++++++++++++++++++++++++++++++ > > > 2 files changed, 109 insertions(+) > > > > > > > > > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > > > index 85c7a3a..743fc32 100644 > > > --- a/fs/xfs/libxfs/xfs_defer.h > > > +++ b/fs/xfs/libxfs/xfs_defer.h > > > @@ -51,6 +51,7 @@ struct xfs_defer_pending { > > > * find all the space it needs. > > > */ > > > enum xfs_defer_ops_type { > > > + XFS_DEFER_OPS_TYPE_FREE, > > > XFS_DEFER_OPS_TYPE_MAX, > > > }; > > > > > > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > > > index 4c2ba28..127a54e 100644 > > > --- a/fs/xfs/xfs_defer_item.c > > > +++ b/fs/xfs/xfs_defer_item.c > > > @@ -29,9 +29,117 @@ > > > #include "xfs_defer.h" > > > #include "xfs_trans.h" > > > #include "xfs_trace.h" > > > +#include "xfs_bmap.h" > > > +#include "xfs_extfree_item.h" > > > + > > > +/* Extent Freeing */ > > > + > > > +/* Sort bmap items by AG. */ > > > +static int > > > +xfs_bmap_free_diff_items( > > > + void *priv, > > > + struct list_head *a, > > > + struct list_head *b) > > > +{ > > > + struct xfs_mount *mp = priv; > > > + struct xfs_bmap_free_item *ra; > > > + struct xfs_bmap_free_item *rb; > > > + > > > + ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); > > > + rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); > > > + return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - > > > + XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); > > > +} > > > + > > > +/* Get an EFI. */ > > > +STATIC void * > > > +xfs_bmap_free_create_intent( > > > + struct xfs_trans *tp, > > > + unsigned int count) > > > +{ > > > + return xfs_trans_get_efi(tp, count); > > > +} > > > + > > > +/* Log a free extent to the intent item. */ > > > +STATIC void > > > +xfs_bmap_free_log_item( > > > + struct xfs_trans *tp, > > > + void *intent, > > > + struct list_head *item) > > > +{ > > > + struct xfs_bmap_free_item *free; > > > + > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > + xfs_trans_log_efi_extent(tp, intent, free->xbfi_startblock, > > > + free->xbfi_blockcount); > > > +} > > > + > > > +/* Get an EFD so we can process all the free extents. */ > > > +STATIC void * > > > +xfs_bmap_free_create_done( > > > + struct xfs_trans *tp, > > > + void *intent, > > > + unsigned int count) > > > +{ > > > + return xfs_trans_get_efd(tp, intent, count); > > > +} > > > + > > > +/* Process a free extent. */ > > > +STATIC int > > > +xfs_bmap_free_finish_item( > > > + struct xfs_trans *tp, > > > + struct xfs_defer_ops *dop, > > > + struct list_head *item, > > > + void *done_item, > > > + void **state) > > > +{ > > > + struct xfs_bmap_free_item *free; > > > + int error; > > > + > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > + error = xfs_trans_free_extent(tp, done_item, > > > + free->xbfi_startblock, > > > + free->xbfi_blockcount); > > > + kmem_free(free); > > > + return error; > > > +} > > > + > > > +/* Abort all pending EFIs. */ > > > +STATIC void > > > +xfs_bmap_free_abort_intent( > > > + void *intent) > > > +{ > > > + xfs_efi_release(intent); > > > +} > > > + > > > +/* Cancel a free extent. */ > > > +STATIC void > > > +xfs_bmap_free_cancel_item( > > > + struct list_head *item) > > > +{ > > > + struct xfs_bmap_free_item *free; > > > + > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > + kmem_free(free); > > > +} > > > + > > > +const struct xfs_defer_op_type xfs_extent_free_defer_type = { > > > + .type = XFS_DEFER_OPS_TYPE_FREE, > > > + .max_items = XFS_EFI_MAX_FAST_EXTENTS, > > > + .diff_items = xfs_bmap_free_diff_items, > > > + .create_intent = xfs_bmap_free_create_intent, > > > + .abort_intent = xfs_bmap_free_abort_intent, > > > + .log_item = xfs_bmap_free_log_item, > > > + .create_done = xfs_bmap_free_create_done, > > > + .finish_item = xfs_bmap_free_finish_item, > > > + .cancel_item = xfs_bmap_free_cancel_item, > > > +}; > > > + > > > +/* Deferred Item Initialization */ > > > > > > /* Initialize the deferred operation types. */ > > > void > > > xfs_defer_init_types(void) > > > { > > > + xfs_defer_init_op_type(&xfs_extent_free_defer_type); > > > } > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Mon Jun 27 17:30:37 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 431EB7CA0 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 17:30:37 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 06BB98F8035 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 15:30:33 -0700 (PDT) X-ASG-Debug-ID: 1467066630-04cbb027352a0bf0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id G13ZJqeBCXpm4Ldl (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 15:30:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5RMUQcg018767 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 22:30:27 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5RMUQVk014001 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Jun 2016 22:30:26 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5RMUP7N025624; Mon, 27 Jun 2016 22:30:25 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 27 Jun 2016 15:30:24 -0700 Date: Mon, 27 Jun 2016 15:30:23 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion Message-ID: <20160627223023.GD4921@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612634887.12839.6210102273046676244.stgit@birch.djwong.org> <20160621130043.GA62352@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160621130043.GA62352@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1467066630 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10311 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30815 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Tue, Jun 21, 2016 at 09:00:45AM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:19:08PM -0700, Darrick J. Wong wrote: > > When a btree block has to be split, we pass the new block's ptr from > > xfs_btree_split() back to xfs_btree_insert() via a pointer parameter; > > however, we pass the block's key through the cursor's record. It is a > > little weird to "initialize" a record from a key since the non-key > > attributes will have garbage values. > > > > When we go to add support for interval queries, we have to be able to > > pass the lowest and highest keys accessible via a pointer. There's no > > clean way to pass this back through the cursor's record field. > > Therefore, pass the key directly back to xfs_btree_insert() the same > > way that we pass the btree_ptr. > > > > As a bonus, we no longer need init_rec_from_key and can drop it from the > > codebase. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > --- > > fs/xfs/libxfs/xfs_alloc_btree.c | 12 ---------- > > fs/xfs/libxfs/xfs_bmap_btree.c | 12 ---------- > > fs/xfs/libxfs/xfs_btree.c | 44 +++++++++++++++++++------------------- > > fs/xfs/libxfs/xfs_btree.h | 2 -- > > fs/xfs/libxfs/xfs_ialloc_btree.c | 10 --------- > > 5 files changed, 22 insertions(+), 58 deletions(-) > > > > > ... > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > index 046fbcf..a096539 100644 > > --- a/fs/xfs/libxfs/xfs_btree.c > > +++ b/fs/xfs/libxfs/xfs_btree.c > ... > > @@ -2929,16 +2927,16 @@ xfs_btree_insrec( > > struct xfs_btree_cur *cur, /* btree cursor */ > > int level, /* level to insert record at */ > > union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ > > - union xfs_btree_rec *recp, /* i/o: record data inserted */ > > + union xfs_btree_key *key, /* i/o: block key for ptrp */ > > struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ > > int *stat) /* success/failure */ > > { > > struct xfs_btree_block *block; /* btree block */ > > struct xfs_buf *bp; /* buffer for block */ > > - union xfs_btree_key key; /* btree key */ > > union xfs_btree_ptr nptr; /* new block ptr */ > > struct xfs_btree_cur *ncur; /* new btree cursor */ > > - union xfs_btree_rec nrec; /* new record count */ > > + union xfs_btree_key nkey; /* new block key */ > > + union xfs_btree_rec rec; /* record to insert */ > > int optr; /* old key/record index */ > > int ptr; /* key/record index */ > > int numrecs;/* number of records */ > > @@ -2947,8 +2945,14 @@ xfs_btree_insrec( > > int i; > > #endif > > > > + /* Make a key out of the record data to be inserted, and save it. */ > > + if (level == 0) { > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > + cur->bc_ops->init_key_from_rec(key, &rec); > > + } > > The level == 0 check looks a bit hacky to me. IOW, I think it's cleaner > that the key is initialized once in the caller rather than check for a > particular iteration down in xfs_btree_insrec(). That said, > xfs_btree_insrec() still needs rec initialized in the level == 0 case. > > I wonder if we could create an inline xfs_btree_init_key_from_cur() > helper to combine the above calls, invoke it once in xfs_btree_insert(), > then push down the ->init_rec_from_cur() calls to the contexts further > down in this function where rec is actually required. There are only two > and one of them is DEBUG code. Thoughts? How about I make btree_insert set both &key and &rec at the start and pass them both into btree_insrec? That would eliminate the hacky check above and fix the dummy tracing hook too, in case it ever does anything. > > > + > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > > - XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, recp); > > + XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, &rec); > > > > So these look like unimplemented dummy tracing hooks. It sounds like > previously rec could have a junk value after a btree split, but now it > looks like rec is junk for every non-zero level. Kind of annoying, I > wonder if we can just kill these.. :/ <shrug> I have no opinion either way. :) --D > > Brian > > > ncur = NULL; > > > > @@ -2973,9 +2977,6 @@ xfs_btree_insrec( > > return 0; > > } > > > > - /* Make a key out of the record data to be inserted, and save it. */ > > - cur->bc_ops->init_key_from_rec(&key, recp); > > - > > optr = ptr; > > > > XFS_BTREE_STATS_INC(cur, insrec); > > @@ -2992,10 +2993,10 @@ xfs_btree_insrec( > > /* Check that the new entry is being inserted in the right place. */ > > if (ptr <= numrecs) { > > if (level == 0) { > > - ASSERT(cur->bc_ops->recs_inorder(cur, recp, > > + ASSERT(cur->bc_ops->recs_inorder(cur, &rec, > > xfs_btree_rec_addr(cur, ptr, block))); > > } else { > > - ASSERT(cur->bc_ops->keys_inorder(cur, &key, > > + ASSERT(cur->bc_ops->keys_inorder(cur, key, > > xfs_btree_key_addr(cur, ptr, block))); > > } > > } > > @@ -3008,7 +3009,7 @@ xfs_btree_insrec( > > xfs_btree_set_ptr_null(cur, &nptr); > > if (numrecs == cur->bc_ops->get_maxrecs(cur, level)) { > > error = xfs_btree_make_block_unfull(cur, level, numrecs, > > - &optr, &ptr, &nptr, &ncur, &nrec, stat); > > + &optr, &ptr, &nptr, &ncur, &nkey, stat); > > if (error || *stat == 0) > > goto error0; > > } > > @@ -3058,7 +3059,7 @@ xfs_btree_insrec( > > #endif > > > > /* Now put the new data in, bump numrecs and log it. */ > > - xfs_btree_copy_keys(cur, kp, &key, 1); > > + xfs_btree_copy_keys(cur, kp, key, 1); > > xfs_btree_copy_ptrs(cur, pp, ptrp, 1); > > numrecs++; > > xfs_btree_set_numrecs(block, numrecs); > > @@ -3079,7 +3080,7 @@ xfs_btree_insrec( > > xfs_btree_shift_recs(cur, rp, 1, numrecs - ptr + 1); > > > > /* Now put the new data in, bump numrecs and log it. */ > > - xfs_btree_copy_recs(cur, rp, recp, 1); > > + xfs_btree_copy_recs(cur, rp, &rec, 1); > > xfs_btree_set_numrecs(block, ++numrecs); > > xfs_btree_log_recs(cur, bp, ptr, numrecs); > > #ifdef DEBUG > > @@ -3095,7 +3096,7 @@ xfs_btree_insrec( > > > > /* If we inserted at the start of a block, update the parents' keys. */ > > if (optr == 1) { > > - error = xfs_btree_updkey(cur, &key, level + 1); > > + error = xfs_btree_updkey(cur, key, level + 1); > > if (error) > > goto error0; > > } > > @@ -3105,7 +3106,7 @@ xfs_btree_insrec( > > * we are at the far right edge of the tree, update it. > > */ > > if (xfs_btree_is_lastrec(cur, block, level)) { > > - cur->bc_ops->update_lastrec(cur, block, recp, > > + cur->bc_ops->update_lastrec(cur, block, &rec, > > ptr, LASTREC_INSREC); > > } > > > > @@ -3115,7 +3116,7 @@ xfs_btree_insrec( > > */ > > *ptrp = nptr; > > if (!xfs_btree_ptr_is_null(cur, &nptr)) { > > - *recp = nrec; > > + *key = nkey; > > *curp = ncur; > > } > > > > @@ -3146,14 +3147,13 @@ xfs_btree_insert( > > union xfs_btree_ptr nptr; /* new block number (split result) */ > > struct xfs_btree_cur *ncur; /* new cursor (split result) */ > > struct xfs_btree_cur *pcur; /* previous level's cursor */ > > - union xfs_btree_rec rec; /* record to insert */ > > + union xfs_btree_key key; /* key of block to insert */ > > > > level = 0; > > ncur = NULL; > > pcur = cur; > > > > xfs_btree_set_ptr_null(cur, &nptr); > > - cur->bc_ops->init_rec_from_cur(cur, &rec); > > > > /* > > * Loop going up the tree, starting at the leaf level. > > @@ -3165,7 +3165,7 @@ xfs_btree_insert( > > * Insert nrec/nptr into this level of the tree. > > * Note if we fail, nptr will be null. > > */ > > - error = xfs_btree_insrec(pcur, level, &nptr, &rec, &ncur, &i); > > + error = xfs_btree_insrec(pcur, level, &nptr, &key, &ncur, &i); > > if (error) { > > if (pcur != cur) > > xfs_btree_del_cursor(pcur, XFS_BTREE_ERROR); > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > index b955e5d..b99c018 100644 > > --- a/fs/xfs/libxfs/xfs_btree.h > > +++ b/fs/xfs/libxfs/xfs_btree.h > > @@ -158,8 +158,6 @@ struct xfs_btree_ops { > > /* init values of btree structures */ > > void (*init_key_from_rec)(union xfs_btree_key *key, > > union xfs_btree_rec *rec); > > - void (*init_rec_from_key)(union xfs_btree_key *key, > > - union xfs_btree_rec *rec); > > void (*init_rec_from_cur)(struct xfs_btree_cur *cur, > > union xfs_btree_rec *rec); > > void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, > > diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c > > index 89c21d7..88da2ad 100644 > > --- a/fs/xfs/libxfs/xfs_ialloc_btree.c > > +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c > > @@ -146,14 +146,6 @@ xfs_inobt_init_key_from_rec( > > } > > > > STATIC void > > -xfs_inobt_init_rec_from_key( > > - union xfs_btree_key *key, > > - union xfs_btree_rec *rec) > > -{ > > - rec->inobt.ir_startino = key->inobt.ir_startino; > > -} > > - > > -STATIC void > > xfs_inobt_init_rec_from_cur( > > struct xfs_btree_cur *cur, > > union xfs_btree_rec *rec) > > @@ -314,7 +306,6 @@ static const struct xfs_btree_ops xfs_inobt_ops = { > > .get_minrecs = xfs_inobt_get_minrecs, > > .get_maxrecs = xfs_inobt_get_maxrecs, > > .init_key_from_rec = xfs_inobt_init_key_from_rec, > > - .init_rec_from_key = xfs_inobt_init_rec_from_key, > > .init_rec_from_cur = xfs_inobt_init_rec_from_cur, > > .init_ptr_from_cur = xfs_inobt_init_ptr_from_cur, > > .key_diff = xfs_inobt_key_diff, > > @@ -336,7 +327,6 @@ static const struct xfs_btree_ops xfs_finobt_ops = { > > .get_minrecs = xfs_inobt_get_minrecs, > > .get_maxrecs = xfs_inobt_get_maxrecs, > > .init_key_from_rec = xfs_inobt_init_key_from_rec, > > - .init_rec_from_key = xfs_inobt_init_rec_from_key, > > .init_rec_from_cur = xfs_inobt_init_rec_from_cur, > > .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, > > .key_diff = xfs_inobt_key_diff, > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From david@fromorbit.com Mon Jun 27 19:26:59 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 55E187CA1 for <xfs@oss.sgi.com>; 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28 Jun 2016 09:56:49 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bHgrZ-0007gU-BM; Tue, 28 Jun 2016 10:26:49 +1000 Date: Tue, 28 Jun 2016 10:26:49 +1000 From: Dave Chinner <david@fromorbit.com> To: Christoph Hellwig <hch@lst.de> Cc: xfs@oss.sgi.com, rpeterso@redhat.com, linux-fsdevel@vger.kernel.org Subject: Re: iomap infrastructure and multipage writes V5 Message-ID: <20160628002649.GI12670@dastard> X-ASG-Orig-Subj: Re: iomap infrastructure and multipage writes V5 References: <1464792297-13185-1-git-send-email-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1464792297-13185-1-git-send-email-hch@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail07.adl2.internode.on.net[150.101.137.131] X-Barracuda-Start-Time: 1467073611 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 10355 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30817 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 01, 2016 at 04:44:43PM +0200, Christoph Hellwig wrote: > This series add a new file system I/O path that uses the iomap structure > introduced for the pNFS support and support multi-page buffered writes. > > This was first started by Dave Chinner a long time ago, then I did beat > it into shape for production runs in a very constrained ARM NAS > enviroment for Tuxera almost as long ago, and now half a dozen rewrites > later it's back. > > The basic idea is to avoid the per-block get_blocks overhead > and make use of extents in the buffered write path by iterating over > them instead. Christoph, it look slike there's an ENOSPC+ENOMEM behavioural regression here. generic/224 on my 1p/1GB RAM VM using a 1k lock size filesystem has significantly different behaviour once ENOSPC is hit withi this patchset. It ends up with an endless stream of errors like this: [ 687.530641] XFS (sdc): page discard on page ffffea0000197700, inode 0xb52c, offset 400338944. [ 687.539828] XFS (sdc): page discard on page ffffea0000197740, inode 0xb52c, offset 400343040. [ 687.549035] XFS (sdc): page discard on page ffffea0000197780, inode 0xb52c, offset 400347136. [ 687.558222] XFS (sdc): page discard on page ffffea00001977c0, inode 0xb52c, offset 400351232. [ 687.567391] XFS (sdc): page discard on page ffffea0000846000, inode 0xb52c, offset 400355328. [ 687.576602] XFS (sdc): page discard on page ffffea0000846040, inode 0xb52c, offset 400359424. [ 687.585794] XFS (sdc): page discard on page ffffea0000846080, inode 0xb52c, offset 400363520. [ 687.595005] XFS (sdc): page discard on page ffffea00008460c0, inode 0xb52c, offset 400367616. Yeah, it's been going for ten minutes already, and it's reporting this for every page on inode 0xb52c. df reports: Filesystem 1K-blocks Used Available Use% Mounted on /dev/sdc 1038336 1038334 2 100% /mnt/scratch So it's looking very much like the iomap write is allowing pages through the write side rather than giving ENOSPC. i.e. the initial alloc fails, it triggers a flush, which triggers a page discard, which then allows the next write to proceed because it's free up blocks. The trace looks like this dd-12284 [000] 983.936583: xfs_file_buffered_write: dev 8:32 ino 0xb52c size 0xa00000 offset 0x1f37a000 count 0x1000 ioflags dd-12284 [000] 983.936584: xfs_ilock: dev 8:32 ino 0xb52c flags ILOCK_EXCL caller 0xffffffff8150bb47s dd-12284 [000] 983.936585: xfs_iomap_prealloc_size: dev 8:32 ino 0xb52c prealloc blocks 64 shift 6 m_writeio_blocks 64 dd-12284 [000] 983.936585: xfs_delalloc_enospc: dev 8:32 ino 0xb52c isize 0x1f37a000 disize 0xa00000 offset 0x1f37a000 count 4096 dd-12284 [000] 983.936586: xfs_delalloc_enospc: dev 8:32 ino 0xb52c isize 0x1f37a000 disize 0xa00000 offset 0x1f37a000 count 4096 dd-12284 [000] 983.936586: xfs_iunlock: dev 8:32 ino 0xb52c flags ILOCK_EXCL caller 0xffffffff8150bc61s kworker/u2:0-6 [000] 983.946649: xfs_writepage: dev 8:32 ino 0xb52c pgoff 0x1f379000 size 0x1f37a000 offset 0 length 0 delalloc 1 unwritten 0 kworker/u2:0-6 [000] 983.946650: xfs_ilock: dev 8:32 ino 0xb52c flags ILOCK_SHARED caller 0xffffffff814f4b49s kworker/u2:0-6 [000] 983.946651: xfs_iunlock: dev 8:32 ino 0xb52c flags ILOCK_SHARED caller 0xffffffff814f4bf5s kworker/u2:0-6 [000] 983.948093: xfs_ilock: dev 8:32 ino 0xb52c flags ILOCK_EXCL caller 0xffffffff814f555fs kworker/u2:0-6 [000] 983.948095: xfs_bunmap: dev 8:32 ino 0xb52c size 0xa00000 bno 0x7cde4 len 0x1flags caller 0xffffffff814f9123s kworker/u2:0-6 [000] 983.948096: xfs_bmap_pre_update: dev 8:32 ino 0xb52c state idx 0 offset 511460 block 4503599627239431 count 4 flag 0 caller 0xffffffff814c6ea3s kworker/u2:0-6 [000] 983.948097: xfs_bmap_post_update: dev 8:32 ino 0xb52c state idx 0 offset 511461 block 4503599627239431 count 3 flag 0 caller 0xffffffff814c6f1es kworker/u2:0-6 [000] 983.948097: xfs_bunmap: dev 8:32 ino 0xb52c size 0xa00000 bno 0x7cde5 len 0x1flags caller 0xffffffff814f9123s kworker/u2:0-6 [000] 983.948098: xfs_bmap_pre_update: dev 8:32 ino 0xb52c state idx 0 offset 511461 block 4503599627239431 count 3 flag 0 caller 0xffffffff814c6ea3s kworker/u2:0-6 [000] 983.948098: xfs_bmap_post_update: dev 8:32 ino 0xb52c state idx 0 offset 511462 block 4503599627239431 count 2 flag 0 caller 0xffffffff814c6f1es kworker/u2:0-6 [000] 983.948099: xfs_bunmap: dev 8:32 ino 0xb52c size 0xa00000 bno 0x7cde6 len 0x1flags caller 0xffffffff814f9123s kworker/u2:0-6 [000] 983.948099: xfs_bmap_pre_update: dev 8:32 ino 0xb52c state idx 0 offset 511462 block 4503599627239431 count 2 flag 0 caller 0xffffffff814c6ea3s kworker/u2:0-6 [000] 983.948100: xfs_bmap_post_update: dev 8:32 ino 0xb52c state idx 0 offset 511463 block 4503599627239431 count 1 flag 0 caller 0xffffffff814c6f1es kworker/u2:0-6 [000] 983.948100: xfs_bunmap: dev 8:32 ino 0xb52c size 0xa00000 bno 0x7cde7 len 0x1flags caller 0xffffffff814f9123s kworker/u2:0-6 [000] 983.948101: xfs_iext_remove: dev 8:32 ino 0xb52c state idx 0 offset 511463 block 4503599627239431 count 1 flag 0 caller 0xffffffff814c6d2as kworker/u2:0-6 [000] 983.948101: xfs_iunlock: dev 8:32 ino 0xb52c flags ILOCK_EXCL caller 0xffffffff814f55e8s kworker/u2:0-6 [000] 983.948102: xfs_invalidatepage: dev 8:32 ino 0xb52c pgoff 0x1f379000 size 0x1f37a000 offset 0 length 1000 delalloc 1 unwritten 0 kworker/u2:0-6 [000] 983.948102: xfs_releasepage: dev 8:32 ino 0xb52c pgoff 0x1f379000 size 0x1f37a000 offset 0 length 0 delalloc 0 unwritten 0 [snip eof block scan locking] dd-12284 [000] 983.948239: xfs_file_buffered_write: dev 8:32 ino 0xb52c size 0xa00000 offset 0x1f37a000 count 0x1000 ioflags dd-12284 [000] 983.948239: xfs_ilock: dev 8:32 ino 0xb52c flags ILOCK_EXCL caller 0xffffffff8150bb47s dd-12284 [000] 983.948240: xfs_iomap_prealloc_size: dev 8:32 ino 0xb52c prealloc blocks 64 shift 0 m_writeio_blocks 64 dd-12284 [000] 983.948242: xfs_delalloc_enospc: dev 8:32 ino 0xb52c isize 0x1f37a000 disize 0xa00000 offset 0x1f37a000 count 4096 dd-12284 [000] 983.948243: xfs_iext_insert: dev 8:32 ino 0xb52c state idx 0 offset 511464 block 4503599627239431 count 4 flag 0 caller 0xffffffff814c265as dd-12284 [000] 983.948243: xfs_iunlock: dev 8:32 ino 0xb52c flags ILOCK_EXCL caller 0xffffffff8150bc61s dd-12284 [000] 983.948244: xfs_iomap_alloc: dev 8:32 ino 0xb52c size 0xa00000 offset 0x1f37a000 count 4096 type invalid startoff 0x7cde8 startblock -1 blockcount 0x4 dd-12284 [000] 983.948250: xfs_iunlock: dev 8:32 ino 0xb52c flags IOLOCK_EXCL caller 0xffffffff81502378s dd-12284 [000] 983.948254: xfs_ilock: dev 8:32 ino 0xb52c flags IOLOCK_EXCL caller 0xffffffff81502352s dd-12284 [000] 983.948256: xfs_update_time: dev 8:32 ino 0xb52c dd-12284 [000] 983.948257: xfs_log_reserve: dev 8:32 t_ocnt 0 t_cnt 0 t_curr_res 2860 t_unit_res 2860 t_flags XLOG_TIC_INITED reserveq empty writeq empty grant_reserve_cycle 1 grant_reserve_bytes 956212 grant_write_cycle 1 grant_write_bytes 956212 curr_cycle 1 curr_block 1863 tail_cycle 1 tail_block 1861 dd-12284 [000] 983.948257: xfs_log_reserve_exit: dev 8:32 t_ocnt 0 t_cnt 0 t_curr_res 2860 t_unit_res 2860 t_flags XLOG_TIC_INITED reserveq empty writeq empty grant_reserve_cycle 1 grant_reserve_bytes 959072 grant_write_cycle 1 grant_write_bytes 959072 curr_cycle 1 curr_block 1863 tail_cycle 1 tail_block 1861 dd-12284 [000] 983.948258: xfs_ilock: dev 8:32 ino 0xb52c flags ILOCK_EXCL caller 0xffffffff8150c4dfs dd-12284 [000] 983.948260: xfs_log_done_nonperm: dev 8:32 t_ocnt 0 t_cnt 0 t_curr_res 2860 t_unit_res 2860 t_flags XLOG_TIC_INITED reserveq empty writeq empty grant_reserve_cycle 1 grant_reserve_bytes 959072 grant_write_cycle 1 grant_write_bytes 959072 curr_cycle 1 curr_block 1863 tail_cycle 1 tail_block 1861 dd-12284 [000] 983.948260: xfs_log_ungrant_enter: dev 8:32 t_ocnt 0 t_cnt 0 t_curr_res 2860 t_unit_res 2860 t_flags XLOG_TIC_INITED reserveq empty writeq empty grant_reserve_cycle 1 grant_reserve_bytes 959072 grant_write_cycle 1 grant_write_bytes 959072 curr_cycle 1 curr_block 1863 tail_cycle 1 tail_block 1861 dd-12284 [000] 983.948260: xfs_log_ungrant_sub: dev 8:32 t_ocnt 0 t_cnt 0 t_curr_res 2860 t_unit_res 2860 t_flags XLOG_TIC_INITED reserveq empty writeq empty grant_reserve_cycle 1 grant_reserve_bytes 959072 grant_write_cycle 1 grant_write_bytes 959072 curr_cycle 1 curr_block 1863 tail_cycle 1 tail_block 1861 dd-12284 [000] 983.948261: xfs_log_ungrant_exit: dev 8:32 t_ocnt 0 t_cnt 0 t_curr_res 2860 t_unit_res 2860 t_flags XLOG_TIC_INITED reserveq empty writeq empty grant_reserve_cycle 1 grant_reserve_bytes 956212 grant_write_cycle 1 grant_write_bytes 956212 curr_cycle 1 curr_block 1863 tail_cycle 1 tail_block 1861 dd-12284 [000] 983.948261: xfs_iunlock: dev 8:32 ino 0xb52c flags ILOCK_EXCL caller 0xffffffff81526d6cs Ad so the cycle goes. The next page at offset 0x1f37b000 fails allocation, triggers a flush, which results in the write at 0x1f37a000 failing and freeing it's delalloc blocks, which then allows the retry of the write at 0x1f37b000 to succeed.... I can see that mapping errors (i.e. the AS_ENOSPC error) ar enot propagated into the write() path, but that's the same as the old code. What I don't quite understand is how delalloc has blown through the XFS_ALLOC_SET_ASIDE() limits which are supposed to trigger ENOSPC on the write() side much earlier than just one or two blocks free.... Something doesn't quite add up here, and I haven't been able to put my finger on it yet. Cheers, Dave. -- Dave Chinner david@fromorbit.com From darrick.wong@oracle.com Mon Jun 27 22:26:42 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EC5097CA1 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 22:26:42 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id AD7F5304032 for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 20:26:39 -0700 (PDT) X-ASG-Debug-ID: 1467084389-04bdf074b4161200001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id Qc48mX4VXrm4PzPH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Mon, 27 Jun 2016 20:26:30 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5S3QPFd005883 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 03:26:26 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5S3QPeW022575 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 03:26:25 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5S3QNwZ024036; Tue, 28 Jun 2016 03:26:24 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 27 Jun 2016 20:26:22 -0700 Date: Mon, 27 Jun 2016 20:26:21 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys Message-ID: <20160628032621.GB4917@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612635526.12839.13865365567940815077.stgit@birch.djwong.org> <20160622151706.GB5423@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160622151706.GB5423@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1467084390 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 33261 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30821 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Wed, Jun 22, 2016 at 11:17:06AM -0400, Brian Foster wrote: > On Thu, Jun 16, 2016 at 06:19:15PM -0700, Darrick J. Wong wrote: > > On a filesystem with both reflink and reverse mapping enabled, it's > > possible to have multiple rmap records referring to the same blocks on > > disk. When overlapping intervals are possible, querying a classic > > btree to find all records intersecting a given interval is inefficient > > because we cannot use the left side of the search interval to filter > > out non-matching records the same way that we can use the existing > > btree key to filter out records coming after the right side of the > > search interval. This will become important once we want to use the > > rmap btree to rebuild BMBTs, or implement the (future) fsmap ioctl. > > > > (For the non-overlapping case, we can perform such queries trivially > > by starting at the left side of the interval and walking the tree > > until we pass the right side.) > > > > Therefore, extend the btree code to come closer to supporting > > intervals as a first-class record attribute. This involves widening > > the btree node's key space to store both the lowest key reachable via > > the node pointer (as the btree does now) and the highest key reachable > > via the same pointer and teaching the btree modifying functions to > > keep the highest-key records up to date. > > > > This behavior can be turned on via a new btree ops flag so that btrees > > that cannot store overlapping intervals don't pay the overhead costs > > in terms of extra code and disk format changes. > > > > v2: When we're deleting a record in a btree that supports overlapped > > interval records and the deletion results in two btree blocks being > > joined, we defer updating the high/low keys until after all possible > > joining (at higher levels in the tree) have finished. At this point, > > the btree pointers at all levels have been updated to remove the empty > > blocks and we can update the low and high keys. > > > > When we're doing this, we must be careful to update the keys of all > > node pointers up to the root instead of stopping at the first set of > > keys that don't need updating. This is because it's possible for a > > single deletion to cause joining of multiple levels of tree, and so > > we need to update everything going back to the root. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > --- > > I think I get the gist of this and it mostly looks Ok to me. A few > questions and minor comments... Ok. > > fs/xfs/libxfs/xfs_btree.c | 379 +++++++++++++++++++++++++++++++++++++++++---- > > fs/xfs/libxfs/xfs_btree.h | 16 ++ > > fs/xfs/xfs_trace.h | 36 ++++ > > 3 files changed, 395 insertions(+), 36 deletions(-) > > > > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > index a096539..afcafd6 100644 > > --- a/fs/xfs/libxfs/xfs_btree.c > > +++ b/fs/xfs/libxfs/xfs_btree.c > > @@ -52,6 +52,11 @@ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { > > xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] > > > > > > +struct xfs_btree_double_key { > > + union xfs_btree_key low; > > + union xfs_btree_key high; > > +}; > > + > > STATIC int /* error (0 or EFSCORRUPTED) */ > > xfs_btree_check_lblock( > > struct xfs_btree_cur *cur, /* btree cursor */ > > @@ -428,6 +433,30 @@ xfs_btree_dup_cursor( > > * into a btree block (xfs_btree_*_offset) or return a pointer to the given > > * record, key or pointer (xfs_btree_*_addr). Note that all addressing > > * inside the btree block is done using indices starting at one, not zero! > > + * > > + * If XFS_BTREE_OVERLAPPING is set, then this btree supports keys containing > > + * overlapping intervals. In such a tree, records are still sorted lowest to > > + * highest and indexed by the smallest key value that refers to the record. > > + * However, nodes are different: each pointer has two associated keys -- one > > + * indexing the lowest key available in the block(s) below (the same behavior > > + * as the key in a regular btree) and another indexing the highest key > > + * available in the block(s) below. Because records are /not/ sorted by the > > + * highest key, all leaf block updates require us to compute the highest key > > + * that matches any record in the leaf and to recursively update the high keys > > + * in the nodes going further up in the tree, if necessary. Nodes look like > > + * this: > > + * > > + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ > > + * Non-Leaf: | header | lo1 | hi1 | lo2 | hi2 | ... | ptr 1 | ptr 2 | ... | > > + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ > > + * > > + * To perform an interval query on an overlapped tree, perform the usual > > + * depth-first search and use the low and high keys to decide if we can skip > > + * that particular node. If a leaf node is reached, return the records that > > + * intersect the interval. Note that an interval query may return numerous > > + * entries. For a non-overlapped tree, simply search for the record associated > > + * with the lowest key and iterate forward until a non-matching record is > > + * found. > > */ > > > > /* > > @@ -445,6 +474,17 @@ static inline size_t xfs_btree_block_len(struct xfs_btree_cur *cur) > > return XFS_BTREE_SBLOCK_LEN; > > } > > > > +/* Return size of btree block keys for this btree instance. */ > > +static inline size_t xfs_btree_key_len(struct xfs_btree_cur *cur) > > +{ > > + size_t len; > > + > > + len = cur->bc_ops->key_len; > > + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) > > + len *= 2; > > + return len; > > +} > > + > > /* > > * Return size of btree block pointers for this btree instance. > > */ > > @@ -475,7 +515,19 @@ xfs_btree_key_offset( > > int n) > > { > > return xfs_btree_block_len(cur) + > > - (n - 1) * cur->bc_ops->key_len; > > + (n - 1) * xfs_btree_key_len(cur); > > +} > > + > > +/* > > + * Calculate offset of the n-th high key in a btree block. > > + */ > > +STATIC size_t > > +xfs_btree_high_key_offset( > > + struct xfs_btree_cur *cur, > > + int n) > > +{ > > + return xfs_btree_block_len(cur) + > > + (n - 1) * xfs_btree_key_len(cur) + cur->bc_ops->key_len; > > } > > > > /* > > @@ -488,7 +540,7 @@ xfs_btree_ptr_offset( > > int level) > > { > > return xfs_btree_block_len(cur) + > > - cur->bc_ops->get_maxrecs(cur, level) * cur->bc_ops->key_len + > > + cur->bc_ops->get_maxrecs(cur, level) * xfs_btree_key_len(cur) + > > (n - 1) * xfs_btree_ptr_len(cur); > > } > > > > @@ -519,6 +571,19 @@ xfs_btree_key_addr( > > } > > > > /* > > + * Return a pointer to the n-th high key in the btree block. > > + */ > > +STATIC union xfs_btree_key * > > +xfs_btree_high_key_addr( > > + struct xfs_btree_cur *cur, > > + int n, > > + struct xfs_btree_block *block) > > +{ > > + return (union xfs_btree_key *) > > + ((char *)block + xfs_btree_high_key_offset(cur, n)); > > +} > > + > > +/* > > * Return a pointer to the n-th block pointer in the btree block. > > */ > > STATIC union xfs_btree_ptr * > > @@ -1217,7 +1282,7 @@ xfs_btree_copy_keys( > > int numkeys) > > { > > ASSERT(numkeys >= 0); > > - memcpy(dst_key, src_key, numkeys * cur->bc_ops->key_len); > > + memcpy(dst_key, src_key, numkeys * xfs_btree_key_len(cur)); > > } > > > > /* > > @@ -1263,8 +1328,8 @@ xfs_btree_shift_keys( > > ASSERT(numkeys >= 0); > > ASSERT(dir == 1 || dir == -1); > > > > - dst_key = (char *)key + (dir * cur->bc_ops->key_len); > > - memmove(dst_key, key, numkeys * cur->bc_ops->key_len); > > + dst_key = (char *)key + (dir * xfs_btree_key_len(cur)); > > + memmove(dst_key, key, numkeys * xfs_btree_key_len(cur)); > > } > > > > /* > > @@ -1879,6 +1944,180 @@ error0: > > return error; > > } > > > > +/* Determine the low and high keys of a leaf block */ > > +STATIC void > > +xfs_btree_find_leaf_keys( > > + struct xfs_btree_cur *cur, > > + struct xfs_btree_block *block, > > + union xfs_btree_key *low, > > + union xfs_btree_key *high) > > +{ > > + int n; > > + union xfs_btree_rec *rec; > > + union xfs_btree_key max_hkey; > > + union xfs_btree_key hkey; > > + > > + rec = xfs_btree_rec_addr(cur, 1, block); > > + cur->bc_ops->init_key_from_rec(low, rec); > > + > > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > > + return; > > + > > + cur->bc_ops->init_high_key_from_rec(&max_hkey, rec); > > + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { > > + rec = xfs_btree_rec_addr(cur, n, block); > > + cur->bc_ops->init_high_key_from_rec(&hkey, rec); > > + if (cur->bc_ops->diff_two_keys(cur, &max_hkey, &hkey) > 0) > > + max_hkey = hkey; > > + } > > + > > + *high = max_hkey; > > +} > > + > > +/* Determine the low and high keys of a node block */ > > +STATIC void > > +xfs_btree_find_node_keys( > > + struct xfs_btree_cur *cur, > > + struct xfs_btree_block *block, > > + union xfs_btree_key *low, > > + union xfs_btree_key *high) > > +{ > > + int n; > > + union xfs_btree_key *hkey; > > + union xfs_btree_key *max_hkey; > > + > > + *low = *xfs_btree_key_addr(cur, 1, block); > > + > > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > > + return; > > + > > + max_hkey = xfs_btree_high_key_addr(cur, 1, block); > > + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { > > + hkey = xfs_btree_high_key_addr(cur, n, block); > > + if (cur->bc_ops->diff_two_keys(cur, max_hkey, hkey) > 0) > > + max_hkey = hkey; > > + } > > + > > + *high = *max_hkey; > > +} > > + > > +/* > > + * Update parental low & high keys from some block all the way back to the > > + * root of the btree. > > + */ > > +STATIC int > > +__xfs_btree_updkeys( > > + struct xfs_btree_cur *cur, > > + int level, > > + struct xfs_btree_block *block, > > + struct xfs_buf *bp0, > > + bool force_all) > > +{ > > + union xfs_btree_key lkey; /* keys from current level */ > > + union xfs_btree_key hkey; > > + union xfs_btree_key *nlkey; /* keys from the next level up */ > > + union xfs_btree_key *nhkey; > > + struct xfs_buf *bp; > > + int ptr = -1; > > ptr doesn't appear to require initialization. Ok. > > > + > > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > > + return 0; > > + > > + if (level + 1 >= cur->bc_nlevels) > > + return 0; > > This could use a comment to indicate we're checking for a parent level > to update. Ok. > > > + > > + trace_xfs_btree_updkeys(cur, level, bp0); > > + > > + if (level == 0) > > + xfs_btree_find_leaf_keys(cur, block, &lkey, &hkey); > > + else > > + xfs_btree_find_node_keys(cur, block, &lkey, &hkey); > > + for (level++; level < cur->bc_nlevels; level++) { > > + block = xfs_btree_get_block(cur, level, &bp); > > + trace_xfs_btree_updkeys(cur, level, bp); > > + ptr = cur->bc_ptrs[level]; > > + nlkey = xfs_btree_key_addr(cur, ptr, block); > > + nhkey = xfs_btree_high_key_addr(cur, ptr, block); > > + if (!(cur->bc_ops->diff_two_keys(cur, nlkey, &lkey) != 0 || > > + cur->bc_ops->diff_two_keys(cur, nhkey, &hkey) != 0) && > > + !force_all) > > + break; > > + memcpy(nlkey, &lkey, cur->bc_ops->key_len); > > + memcpy(nhkey, &hkey, cur->bc_ops->key_len); > > + xfs_btree_log_keys(cur, bp, ptr, ptr); > > + if (level + 1 >= cur->bc_nlevels) > > + break; > > + xfs_btree_find_node_keys(cur, block, &lkey, &hkey); > > + } > > + > > + return 0; > > +} > > + > > +/* > > + * Update all the keys from a sibling block at some level in the cursor back > > + * to the root, stopping when we find a key pair that doesn't need updating. > > + */ > > +STATIC int > > +xfs_btree_sibling_updkeys( > > + struct xfs_btree_cur *cur, > > + int level, > > + int ptr, > > + struct xfs_btree_block *block, > > + struct xfs_buf *bp0) > > +{ > > + struct xfs_btree_cur *ncur; > > + int stat; > > + int error; > > + > > + error = xfs_btree_dup_cursor(cur, &ncur); > > + if (error) > > + return error; > > + > > + if (level + 1 >= ncur->bc_nlevels) > > + error = -EDOM; > > + else if (ptr == XFS_BB_RIGHTSIB) > > + error = xfs_btree_increment(ncur, level + 1, &stat); > > + else if (ptr == XFS_BB_LEFTSIB) > > + error = xfs_btree_decrement(ncur, level + 1, &stat); > > + else > > + error = -EBADE; > > So we inc/dec the cursor at the next level up the tree, then update the > keys up that path with the __xfs_btree_updkeys() call below. The inc/dec > calls explicitly say that they don't alter the cursor below the level, > so it looks like we'd end up with a weird cursor path here. > > Digging around further, it looks like we pass the sibling bp/block > pointers from the caller and thus __xfs_btree_updkeys() should do the > correct thing, but this is not very clear. If I'm on the right track, > I'd suggest to add a big fat comment here. :) Yep. /* * The caller passed us the sibling block in bp0/block, but the * (duplicate) cursor points to original block and not the sibling. * Therefore we must adjust the cursor at the next level higher * to point to the sibling block we were handed. Only then can * we go up the tree updating keys. */ > > + if (error || !stat) > > + return error; > > Looks like a potential cursor leak on error. Oops! > > + > > + error = __xfs_btree_updkeys(ncur, level, block, bp0, false); > > + xfs_btree_del_cursor(ncur, XFS_BTREE_NOERROR); > > + return error; > > +} > > + > > +/* > > + * Update all the keys from some level in cursor back to the root, stopping > > + * when we find a key pair that don't need updating. > > + */ > > +STATIC int > > +xfs_btree_updkeys( > > + struct xfs_btree_cur *cur, > > + int level) > > +{ > > + struct xfs_buf *bp; > > + struct xfs_btree_block *block; > > + > > + block = xfs_btree_get_block(cur, level, &bp); > > + return __xfs_btree_updkeys(cur, level, block, bp, false); > > +} > > + > > +/* Update all the keys from some level in cursor back to the root. */ > > +STATIC int > > +xfs_btree_updkeys_force( > > + struct xfs_btree_cur *cur, > > + int level) > > +{ > > + struct xfs_buf *bp; > > + struct xfs_btree_block *block; > > + > > + block = xfs_btree_get_block(cur, level, &bp); > > + return __xfs_btree_updkeys(cur, level, block, bp, true); > > +} > > + > > /* > > * Update keys at all levels from here to the root along the cursor's path. > > */ > > @@ -1893,6 +2132,9 @@ xfs_btree_updkey( > > union xfs_btree_key *kp; > > int ptr; > > > > + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) > > + return 0; > > + > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > > XFS_BTREE_TRACE_ARGIK(cur, level, keyp); > > > > @@ -1970,7 +2212,8 @@ xfs_btree_update( > > ptr, LASTREC_UPDATE); > > } > > > > - /* Updating first rec in leaf. Pass new key value up to our parent. */ > > + /* Pass new key value up to our parent. */ > > + xfs_btree_updkeys(cur, 0); > > if (ptr == 1) { > > union xfs_btree_key key; > > > > @@ -2149,7 +2392,9 @@ xfs_btree_lshift( > > rkp = &key; > > } > > > > - /* Update the parent key values of right. */ > > + /* Update the parent key values of left and right. */ > > + xfs_btree_sibling_updkeys(cur, level, XFS_BB_LEFTSIB, left, lbp); > > + xfs_btree_updkeys(cur, level); > > error = xfs_btree_updkey(cur, rkp, level + 1); > > if (error) > > goto error0; > > @@ -2321,6 +2566,9 @@ xfs_btree_rshift( > > if (error) > > goto error1; > > > > + /* Update left and right parent pointers */ > > + xfs_btree_updkeys(cur, level); > > + xfs_btree_updkeys(tcur, level); > > In this case, we grab the last record of the block, increment from there > and update using the cursor. This is much more straightforward, imo. > Could we use this approach in the left shift case as well? Yes, I think so. I might have started refactoring btree_sibling_updkeys out of existence and got distracted, since there isn't anything that uses the RIGHTSIB ptr value. > > error = xfs_btree_updkey(tcur, rkp, level + 1); > > if (error) > > goto error1; > > @@ -2356,7 +2604,7 @@ __xfs_btree_split( > > struct xfs_btree_cur *cur, > > int level, > > union xfs_btree_ptr *ptrp, > > - union xfs_btree_key *key, > > + struct xfs_btree_double_key *key, > > struct xfs_btree_cur **curp, > > int *stat) /* success/failure */ > > { > > @@ -2452,9 +2700,6 @@ __xfs_btree_split( > > > > xfs_btree_log_keys(cur, rbp, 1, rrecs); > > xfs_btree_log_ptrs(cur, rbp, 1, rrecs); > > - > > - /* Grab the keys to the entries moved to the right block */ > > - xfs_btree_copy_keys(cur, key, rkp, 1); > > } else { > > /* It's a leaf. Move records. */ > > union xfs_btree_rec *lrp; /* left record pointer */ > > @@ -2465,12 +2710,8 @@ __xfs_btree_split( > > > > xfs_btree_copy_recs(cur, rrp, lrp, rrecs); > > xfs_btree_log_recs(cur, rbp, 1, rrecs); > > - > > - cur->bc_ops->init_key_from_rec(key, > > - xfs_btree_rec_addr(cur, 1, right)); > > } > > > > - > > /* > > * Find the left block number by looking in the buffer. > > * Adjust numrecs, sibling pointers. > > @@ -2484,6 +2725,12 @@ __xfs_btree_split( > > xfs_btree_set_numrecs(left, lrecs); > > xfs_btree_set_numrecs(right, xfs_btree_get_numrecs(right) + rrecs); > > > > + /* Find the low & high keys for the new block. */ > > + if (level > 0) > > + xfs_btree_find_node_keys(cur, right, &key->low, &key->high); > > + else > > + xfs_btree_find_leaf_keys(cur, right, &key->low, &key->high); > > + > > Why not push these into the above if/else where the previous key > copy/init calls were removed from? We don't set bb_numrecs on the right block until the line above the new hunk, and the btree_find_*_keys functions require numrecs to be set. The removed key copy/init calls only looked at keys[1]. That said, it's trivial to move the set_numrecs calls above the if statement. > > xfs_btree_log_block(cur, rbp, XFS_BB_ALL_BITS); > > xfs_btree_log_block(cur, lbp, XFS_BB_NUMRECS | XFS_BB_RIGHTSIB); > > > > @@ -2499,6 +2746,10 @@ __xfs_btree_split( > > xfs_btree_set_sibling(cur, rrblock, &rptr, XFS_BB_LEFTSIB); > > xfs_btree_log_block(cur, rrbp, XFS_BB_LEFTSIB); > > } > > + > > + /* Update the left block's keys... */ > > + xfs_btree_updkeys(cur, level); > > + > > /* > > * If the cursor is really in the right block, move it there. > > * If it's just pointing past the last entry in left, then we'll > > @@ -2537,7 +2788,7 @@ struct xfs_btree_split_args { > > struct xfs_btree_cur *cur; > > int level; > > union xfs_btree_ptr *ptrp; > > - union xfs_btree_key *key; > > + struct xfs_btree_double_key *key; > > struct xfs_btree_cur **curp; > > int *stat; /* success/failure */ > > int result; > > @@ -2586,7 +2837,7 @@ xfs_btree_split( > > struct xfs_btree_cur *cur, > > int level, > > union xfs_btree_ptr *ptrp, > > - union xfs_btree_key *key, > > + struct xfs_btree_double_key *key, > > struct xfs_btree_cur **curp, > > int *stat) /* success/failure */ > > { > > @@ -2806,27 +3057,27 @@ xfs_btree_new_root( > > bp = lbp; > > nptr = 2; > > } > > + > > /* Fill in the new block's btree header and log it. */ > > xfs_btree_init_block_cur(cur, nbp, cur->bc_nlevels, 2); > > xfs_btree_log_block(cur, nbp, XFS_BB_ALL_BITS); > > ASSERT(!xfs_btree_ptr_is_null(cur, &lptr) && > > !xfs_btree_ptr_is_null(cur, &rptr)); > > - > > ? Don't know why I did that. I like having one blank line before a chunk of code, but there's no reason to remove that one. > > /* Fill in the key data in the new root. */ > > if (xfs_btree_get_level(left) > 0) { > > - xfs_btree_copy_keys(cur, > > + xfs_btree_find_node_keys(cur, left, > > xfs_btree_key_addr(cur, 1, new), > > - xfs_btree_key_addr(cur, 1, left), 1); > > - xfs_btree_copy_keys(cur, > > + xfs_btree_high_key_addr(cur, 1, new)); > > + xfs_btree_find_node_keys(cur, right, > > xfs_btree_key_addr(cur, 2, new), > > - xfs_btree_key_addr(cur, 1, right), 1); > > + xfs_btree_high_key_addr(cur, 2, new)); > > } else { > > - cur->bc_ops->init_key_from_rec( > > - xfs_btree_key_addr(cur, 1, new), > > - xfs_btree_rec_addr(cur, 1, left)); > > - cur->bc_ops->init_key_from_rec( > > - xfs_btree_key_addr(cur, 2, new), > > - xfs_btree_rec_addr(cur, 1, right)); > > + xfs_btree_find_leaf_keys(cur, left, > > + xfs_btree_key_addr(cur, 1, new), > > + xfs_btree_high_key_addr(cur, 1, new)); > > + xfs_btree_find_leaf_keys(cur, right, > > + xfs_btree_key_addr(cur, 2, new), > > + xfs_btree_high_key_addr(cur, 2, new)); > > } > > xfs_btree_log_keys(cur, nbp, 1, 2); > > > > @@ -2837,6 +3088,7 @@ xfs_btree_new_root( > > xfs_btree_ptr_addr(cur, 2, new), &rptr, 1); > > xfs_btree_log_ptrs(cur, nbp, 1, 2); > > > > + > > Extra line. Removed. > > /* Fix up the cursor. */ > > xfs_btree_setbuf(cur, cur->bc_nlevels, nbp); > > cur->bc_ptrs[cur->bc_nlevels] = nptr; > > @@ -2862,7 +3114,7 @@ xfs_btree_make_block_unfull( > > int *index, /* new tree index */ > > union xfs_btree_ptr *nptr, /* new btree ptr */ > > struct xfs_btree_cur **ncur, /* new btree cursor */ > > - union xfs_btree_key *key, /* key of new block */ > > + struct xfs_btree_double_key *key, /* key of new block */ > > int *stat) > > { > > int error = 0; > > @@ -2918,6 +3170,22 @@ xfs_btree_make_block_unfull( > > return 0; > > } > > > > +/* Copy a double key into a btree block. */ > > +static void > > +xfs_btree_copy_double_keys( > > + struct xfs_btree_cur *cur, > > + int ptr, > > + struct xfs_btree_block *block, > > + struct xfs_btree_double_key *key) > > +{ > > + memcpy(xfs_btree_key_addr(cur, ptr, block), &key->low, > > + cur->bc_ops->key_len); > > + > > + if (cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING) > > + memcpy(xfs_btree_high_key_addr(cur, ptr, block), &key->high, > > + cur->bc_ops->key_len); > > +} > > + > > /* > > * Insert one record/level. Return information to the caller > > * allowing the next level up to proceed if necessary. > > @@ -2927,7 +3195,7 @@ xfs_btree_insrec( > > struct xfs_btree_cur *cur, /* btree cursor */ > > int level, /* level to insert record at */ > > union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ > > - union xfs_btree_key *key, /* i/o: block key for ptrp */ > > + struct xfs_btree_double_key *key, /* i/o: block key for ptrp */ > > struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ > > int *stat) /* success/failure */ > > { > > @@ -2935,7 +3203,7 @@ xfs_btree_insrec( > > struct xfs_buf *bp; /* buffer for block */ > > union xfs_btree_ptr nptr; /* new block ptr */ > > struct xfs_btree_cur *ncur; /* new btree cursor */ > > - union xfs_btree_key nkey; /* new block key */ > > + struct xfs_btree_double_key nkey; /* new block key */ > > union xfs_btree_rec rec; /* record to insert */ > > int optr; /* old key/record index */ > > int ptr; /* key/record index */ > > @@ -2944,11 +3212,12 @@ xfs_btree_insrec( > > #ifdef DEBUG > > int i; > > #endif > > + xfs_daddr_t old_bn; > > > > /* Make a key out of the record data to be inserted, and save it. */ > > if (level == 0) { > > cur->bc_ops->init_rec_from_cur(cur, &rec); > > - cur->bc_ops->init_key_from_rec(key, &rec); > > + cur->bc_ops->init_key_from_rec(&key->low, &rec); > > } > > > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > > @@ -2983,6 +3252,7 @@ xfs_btree_insrec( > > > > /* Get pointers to the btree buffer and block. */ > > block = xfs_btree_get_block(cur, level, &bp); > > + old_bn = bp ? bp->b_bn : XFS_BUF_DADDR_NULL; > > numrecs = xfs_btree_get_numrecs(block); > > > > #ifdef DEBUG > > @@ -2996,7 +3266,7 @@ xfs_btree_insrec( > > ASSERT(cur->bc_ops->recs_inorder(cur, &rec, > > xfs_btree_rec_addr(cur, ptr, block))); > > } else { > > - ASSERT(cur->bc_ops->keys_inorder(cur, key, > > + ASSERT(cur->bc_ops->keys_inorder(cur, &key->low, > > xfs_btree_key_addr(cur, ptr, block))); > > } > > } > > @@ -3059,7 +3329,7 @@ xfs_btree_insrec( > > #endif > > > > /* Now put the new data in, bump numrecs and log it. */ > > - xfs_btree_copy_keys(cur, kp, key, 1); > > + xfs_btree_copy_double_keys(cur, ptr, block, key); > > xfs_btree_copy_ptrs(cur, pp, ptrp, 1); > > numrecs++; > > xfs_btree_set_numrecs(block, numrecs); > > @@ -3095,8 +3365,24 @@ xfs_btree_insrec( > > xfs_btree_log_block(cur, bp, XFS_BB_NUMRECS); > > > > /* If we inserted at the start of a block, update the parents' keys. */ > > This comment is associated with the codeblock that has been pushed > further down, no? Correct. I think that got mismerged somewhere along the way. > > + if (ncur && bp->b_bn != old_bn) { > > + /* > > + * We just inserted into a new tree block, which means that > > + * the key for the block is in nkey, not the tree. > > + */ > > + if (level == 0) > > + xfs_btree_find_leaf_keys(cur, block, &nkey.low, > > + &nkey.high); > > + else > > + xfs_btree_find_node_keys(cur, block, &nkey.low, > > + &nkey.high); > > + } else { > > + /* Updating the left block, do it the standard way. */ > > + xfs_btree_updkeys(cur, level); > > + } > > + > > Not quite sure I follow the purpose of this hunk. Is this for the case > where a btree split occurs, nkey is filled in for the new/right block > and then (after nkey is filled in) the new record ends up being added to > the new block? If so, what about the case where ncur is not created? > (It looks like that's possible from the code, but I could easily be > missing some context as to why that's not the case.) Yes, the first part of the if-else hunk is to fill out nkey when we've split a btree block. Now that I look at it again, I think that whole weird conditional could be replaced with the same xfs_btree_ptr_is_null() check later on. I think it can also be combined with it. Commentage for now: /* * If we just inserted a new tree block, we have to find the low * and high keys for the new block and arrange to pass them back * separately. If we're just updating a block we can use the * regular tree update mechanism. */ > In any event, I think we could elaborate a bit in the comment on why > this is necessary. I'd also move it above the top-level if/else. > > > if (optr == 1) { > > - error = xfs_btree_updkey(cur, key, level + 1); > > + error = xfs_btree_updkey(cur, &key->low, level + 1); > > if (error) > > goto error0; > > } > > @@ -3147,7 +3433,7 @@ xfs_btree_insert( > > union xfs_btree_ptr nptr; /* new block number (split result) */ > > struct xfs_btree_cur *ncur; /* new cursor (split result) */ > > struct xfs_btree_cur *pcur; /* previous level's cursor */ > > - union xfs_btree_key key; /* key of block to insert */ > > + struct xfs_btree_double_key key; /* key of block to insert */ > > Probably should fix up the function param alignment here and the couple > other or so places we make this change. I changed the name to xfs_btree_bigkey, which avoids the alignment problems. --D > > Brian > > > > > level = 0; > > ncur = NULL; > > @@ -3552,6 +3838,7 @@ xfs_btree_delrec( > > * If we deleted the leftmost entry in the block, update the > > * key values above us in the tree. > > */ > > + xfs_btree_updkeys(cur, level); > > if (ptr == 1) { > > error = xfs_btree_updkey(cur, keyp, level + 1); > > if (error) > > @@ -3882,6 +4169,16 @@ xfs_btree_delrec( > > if (level > 0) > > cur->bc_ptrs[level]--; > > > > + /* > > + * We combined blocks, so we have to update the parent keys if the > > + * btree supports overlapped intervals. However, bc_ptrs[level + 1] > > + * points to the old block so that the caller knows which record to > > + * delete. Therefore, the caller must be savvy enough to call updkeys > > + * for us if we return stat == 2. The other exit points from this > > + * function don't require deletions further up the tree, so they can > > + * call updkeys directly. > > + */ > > + > > XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); > > /* Return value means the next level up has something to do. */ > > *stat = 2; > > @@ -3907,6 +4204,7 @@ xfs_btree_delete( > > int error; /* error return value */ > > int level; > > int i; > > + bool joined = false; > > > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > > > > @@ -3920,8 +4218,17 @@ xfs_btree_delete( > > error = xfs_btree_delrec(cur, level, &i); > > if (error) > > goto error0; > > + if (i == 2) > > + joined = true; > > } > > > > + /* > > + * If we combined blocks as part of deleting the record, delrec won't > > + * have updated the parent keys so we have to do that here. > > + */ > > + if (joined) > > + xfs_btree_updkeys_force(cur, 0); > > + > > if (i == 0) { > > for (level = 1; level < cur->bc_nlevels; level++) { > > if (cur->bc_ptrs[level] == 0) { > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > index b99c018..a5ec6c7 100644 > > --- a/fs/xfs/libxfs/xfs_btree.h > > +++ b/fs/xfs/libxfs/xfs_btree.h > > @@ -126,6 +126,9 @@ struct xfs_btree_ops { > > size_t key_len; > > size_t rec_len; > > > > + /* flags */ > > + uint flags; > > + > > /* cursor operations */ > > struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); > > void (*update_cursor)(struct xfs_btree_cur *src, > > @@ -162,11 +165,21 @@ struct xfs_btree_ops { > > union xfs_btree_rec *rec); > > void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, > > union xfs_btree_ptr *ptr); > > + void (*init_high_key_from_rec)(union xfs_btree_key *key, > > + union xfs_btree_rec *rec); > > > > /* difference between key value and cursor value */ > > __int64_t (*key_diff)(struct xfs_btree_cur *cur, > > union xfs_btree_key *key); > > > > + /* > > + * Difference between key2 and key1 -- positive if key2 > key1, > > + * negative if key2 < key1, and zero if equal. > > + */ > > + __int64_t (*diff_two_keys)(struct xfs_btree_cur *cur, > > + union xfs_btree_key *key1, > > + union xfs_btree_key *key2); > > + > > const struct xfs_buf_ops *buf_ops; > > > > #if defined(DEBUG) || defined(XFS_WARN) > > @@ -182,6 +195,9 @@ struct xfs_btree_ops { > > #endif > > }; > > > > +/* btree ops flags */ > > +#define XFS_BTREE_OPS_OVERLAPPING (1<<0) /* overlapping intervals */ > > + > > /* > > * Reasons for the update_lastrec method to be called. > > */ > > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > > index 68f27f7..ffea28c 100644 > > --- a/fs/xfs/xfs_trace.h > > +++ b/fs/xfs/xfs_trace.h > > @@ -38,6 +38,7 @@ struct xlog_recover_item; > > struct xfs_buf_log_format; > > struct xfs_inode_log_format; > > struct xfs_bmbt_irec; > > +struct xfs_btree_cur; > > > > DECLARE_EVENT_CLASS(xfs_attr_list_class, > > TP_PROTO(struct xfs_attr_list_context *ctx), > > @@ -2183,6 +2184,41 @@ DEFINE_DISCARD_EVENT(xfs_discard_toosmall); > > DEFINE_DISCARD_EVENT(xfs_discard_exclude); > > DEFINE_DISCARD_EVENT(xfs_discard_busy); > > > > +/* btree cursor events */ > > +DECLARE_EVENT_CLASS(xfs_btree_cur_class, > > + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), > > + TP_ARGS(cur, level, bp), > > + TP_STRUCT__entry( > > + __field(dev_t, dev) > > + __field(xfs_btnum_t, btnum) > > + __field(int, level) > > + __field(int, nlevels) > > + __field(int, ptr) > > + __field(xfs_daddr_t, daddr) > > + ), > > + TP_fast_assign( > > + __entry->dev = cur->bc_mp->m_super->s_dev; > > + __entry->btnum = cur->bc_btnum; > > + __entry->level = level; > > + __entry->nlevels = cur->bc_nlevels; > > + __entry->ptr = cur->bc_ptrs[level]; > > + __entry->daddr = bp->b_bn; > > + ), > > + TP_printk("dev %d:%d btnum %d level %d/%d ptr %d daddr 0x%llx", > > + MAJOR(__entry->dev), MINOR(__entry->dev), > > + __entry->btnum, > > + __entry->level, > > + __entry->nlevels, > > + __entry->ptr, > > + (unsigned long long)__entry->daddr) > > +) > > + > > +#define DEFINE_BTREE_CUR_EVENT(name) \ > > +DEFINE_EVENT(xfs_btree_cur_class, name, \ > > + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ > > + TP_ARGS(cur, level, bp)) > > +DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > > + > > #endif /* _TRACE_XFS_H */ > > > > #undef TRACE_INCLUDE_PATH > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From cmaiolino@redhat.com Tue Jun 28 03:57:40 2016 Return-Path: <cmaiolino@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id A418C7CA1 for <xfs@oss.sgi.com>; 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Tue, 28 Jun 2016 04:57:29 -0400 Date: Tue, 28 Jun 2016 10:57:26 +0200 From: Carlos Maiolino <cmaiolino@redhat.com> To: Eric Sandeen <sandeen@sandeen.net> Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice Message-ID: <20160628085726.GA4397@redhat.com> X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice Mail-Followup-To: Eric Sandeen <sandeen@sandeen.net>, xfs@oss.sgi.com References: <13dd3974-956d-c3af-86ed-f6ce5cc1b996@redhat.com> <20160627094855.GC29774@redhat.com> <5c408cf1-e9fa-8bee-106e-93e553fc98a7@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5c408cf1-e9fa-8bee-106e-93e553fc98a7@sandeen.net> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 28 Jun 2016 08:57:30 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467104251 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2496 X-Barracuda-BRTS-Status: 1 X-Virus-Scanned: by bsmtpd at sgi.com On Mon, Jun 27, 2016 at 10:34:39AM -0500, Eric Sandeen wrote: > > > On 6/27/16 4:48 AM, Carlos Maiolino wrote: > > On Fri, Jun 24, 2016 at 04:24:58PM -0500, Eric Sandeen wrote: > >> kernel commit 5ef828c4 > >> xfs: avoid false quotacheck after unclean shutdown > >> > >> made xfs_sb_from_disk() also call xfs_sb_quota_from_disk > >> by default. > >> > >> However, when this was merged to libxfs, existing separate > >> calls to libxfs_sb_quota_from_disk remained, and calling it > >> twice in a row on a V4 superblock leads to issues, because: > >> > >> > >> if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { > >> ... > >> sbp->sb_pquotino = sbp->sb_gquotino; > >> sbp->sb_gquotino = NULLFSINO; > >> > >> and after the second call, we have set both pquotino and gquotino > >> to NULLFSINO. > >> > >> Fix this by making it safe to call twice, and also remove the extra > >> calls to libxfs_sb_quota_from_disk. > >> > >> This is only spotted when running xfstests with "-m crc=0" because > >> the sb_from_disk change came about after V5 became default, and > >> the above behavior only exists on a V4 superblock. > >> > >> Reported-by: Eryu Guan <eguan@redhat.com> > >> Signed-off-by: Eric Sandeen <sandeen@redhat.com> > >> --- > >> > >> > >> diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c > >> index 45db6ae..44f3e3e 100644 > >> --- a/libxfs/xfs_sb.c > >> +++ b/libxfs/xfs_sb.c > >> @@ -316,13 +316,16 @@ xfs_sb_quota_from_disk(struct xfs_sb *sbp) > >> XFS_PQUOTA_CHKD : XFS_GQUOTA_CHKD; > >> sbp->sb_qflags &= ~(XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD); > >> > >> - if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { > >> + if (sbp->sb_qflags & XFS_PQUOTA_ACCT && > >> + sbp->sb_gquotino != NULLFSINO) { > > > > Although I agree with this check, shouldn't we report some sort of error when it > > happens? Once, it's not supposed to happen, and, might be a sign of corruption? > > I dunno, it would also happen if it gets called twice, which is intentionally > made harmless by this change. We don't warn on free(NULL) for example... > Well, I don't 100% agree with not having a warning here, but it doesn't make the patch less valuable. Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> > I don't think it needs a warning. > > -Eric > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From bfoster@redhat.com Tue Jun 28 07:31:54 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A97AD7CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 07:31:54 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5CFA28F8035 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:31:51 -0700 (PDT) X-ASG-Debug-ID: 1467117109-04bdf074b4185910001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id xlx2F7dyRIrDE6M5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:31:49 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2A4007F6A2; Tue, 28 Jun 2016 12:31:49 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5SCVmqt032337; Tue, 28 Jun 2016 08:31:48 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 2FF721200E8; Tue, 28 Jun 2016 08:31:48 -0400 (EDT) Date: Tue, 28 Jun 2016 08:31:48 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion Message-ID: <20160628123146.GA4212@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 012/119] xfs: during btree split, save new block key & ptr for future insertion References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612634887.12839.6210102273046676244.stgit@birch.djwong.org> <20160621130043.GA62352@bfoster.bfoster> <20160627223023.GD4921@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160627223023.GD4921@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 28 Jun 2016 12:31:49 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467117109 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11057 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Jun 27, 2016 at 03:30:23PM -0700, Darrick J. Wong wrote: > On Tue, Jun 21, 2016 at 09:00:45AM -0400, Brian Foster wrote: > > On Thu, Jun 16, 2016 at 06:19:08PM -0700, Darrick J. Wong wrote: > > > When a btree block has to be split, we pass the new block's ptr from > > > xfs_btree_split() back to xfs_btree_insert() via a pointer parameter; > > > however, we pass the block's key through the cursor's record. It is a > > > little weird to "initialize" a record from a key since the non-key > > > attributes will have garbage values. > > > > > > When we go to add support for interval queries, we have to be able to > > > pass the lowest and highest keys accessible via a pointer. There's no > > > clean way to pass this back through the cursor's record field. > > > Therefore, pass the key directly back to xfs_btree_insert() the same > > > way that we pass the btree_ptr. > > > > > > As a bonus, we no longer need init_rec_from_key and can drop it from the > > > codebase. > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > --- > > > fs/xfs/libxfs/xfs_alloc_btree.c | 12 ---------- > > > fs/xfs/libxfs/xfs_bmap_btree.c | 12 ---------- > > > fs/xfs/libxfs/xfs_btree.c | 44 +++++++++++++++++++------------------- > > > fs/xfs/libxfs/xfs_btree.h | 2 -- > > > fs/xfs/libxfs/xfs_ialloc_btree.c | 10 --------- > > > 5 files changed, 22 insertions(+), 58 deletions(-) > > > > > > > > ... > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > > index 046fbcf..a096539 100644 > > > --- a/fs/xfs/libxfs/xfs_btree.c > > > +++ b/fs/xfs/libxfs/xfs_btree.c > > ... > > > @@ -2929,16 +2927,16 @@ xfs_btree_insrec( > > > struct xfs_btree_cur *cur, /* btree cursor */ > > > int level, /* level to insert record at */ > > > union xfs_btree_ptr *ptrp, /* i/o: block number inserted */ > > > - union xfs_btree_rec *recp, /* i/o: record data inserted */ > > > + union xfs_btree_key *key, /* i/o: block key for ptrp */ > > > struct xfs_btree_cur **curp, /* output: new cursor replacing cur */ > > > int *stat) /* success/failure */ > > > { > > > struct xfs_btree_block *block; /* btree block */ > > > struct xfs_buf *bp; /* buffer for block */ > > > - union xfs_btree_key key; /* btree key */ > > > union xfs_btree_ptr nptr; /* new block ptr */ > > > struct xfs_btree_cur *ncur; /* new btree cursor */ > > > - union xfs_btree_rec nrec; /* new record count */ > > > + union xfs_btree_key nkey; /* new block key */ > > > + union xfs_btree_rec rec; /* record to insert */ > > > int optr; /* old key/record index */ > > > int ptr; /* key/record index */ > > > int numrecs;/* number of records */ > > > @@ -2947,8 +2945,14 @@ xfs_btree_insrec( > > > int i; > > > #endif > > > > > > + /* Make a key out of the record data to be inserted, and save it. */ > > > + if (level == 0) { > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > + cur->bc_ops->init_key_from_rec(key, &rec); > > > + } > > > > The level == 0 check looks a bit hacky to me. IOW, I think it's cleaner > > that the key is initialized once in the caller rather than check for a > > particular iteration down in xfs_btree_insrec(). That said, > > xfs_btree_insrec() still needs rec initialized in the level == 0 case. > > > > I wonder if we could create an inline xfs_btree_init_key_from_cur() > > helper to combine the above calls, invoke it once in xfs_btree_insert(), > > then push down the ->init_rec_from_cur() calls to the contexts further > > down in this function where rec is actually required. There are only two > > and one of them is DEBUG code. Thoughts? > > How about I make btree_insert set both &key and &rec at the start and > pass them both into btree_insrec? That would eliminate the hacky check > above and fix the dummy tracing hook too, in case it ever does anything. > That seems fine to me. Brian > > > > > + > > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > > > - XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, recp); > > > + XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, &rec); > > > > > > > So these look like unimplemented dummy tracing hooks. It sounds like > > previously rec could have a junk value after a btree split, but now it > > looks like rec is junk for every non-zero level. Kind of annoying, I > > wonder if we can just kill these.. :/ > > <shrug> I have no opinion either way. :) > > --D > > > > Brian > > > > > ncur = NULL; > > > > > > @@ -2973,9 +2977,6 @@ xfs_btree_insrec( > > > return 0; > > > } > > > > > > - /* Make a key out of the record data to be inserted, and save it. */ > > > - cur->bc_ops->init_key_from_rec(&key, recp); > > > - > > > optr = ptr; > > > > > > XFS_BTREE_STATS_INC(cur, insrec); > > > @@ -2992,10 +2993,10 @@ xfs_btree_insrec( > > > /* Check that the new entry is being inserted in the right place. */ > > > if (ptr <= numrecs) { > > > if (level == 0) { > > > - ASSERT(cur->bc_ops->recs_inorder(cur, recp, > > > + ASSERT(cur->bc_ops->recs_inorder(cur, &rec, > > > xfs_btree_rec_addr(cur, ptr, block))); > > > } else { > > > - ASSERT(cur->bc_ops->keys_inorder(cur, &key, > > > + ASSERT(cur->bc_ops->keys_inorder(cur, key, > > > xfs_btree_key_addr(cur, ptr, block))); > > > } > > > } > > > @@ -3008,7 +3009,7 @@ xfs_btree_insrec( > > > xfs_btree_set_ptr_null(cur, &nptr); > > > if (numrecs == cur->bc_ops->get_maxrecs(cur, level)) { > > > error = xfs_btree_make_block_unfull(cur, level, numrecs, > > > - &optr, &ptr, &nptr, &ncur, &nrec, stat); > > > + &optr, &ptr, &nptr, &ncur, &nkey, stat); > > > if (error || *stat == 0) > > > goto error0; > > > } > > > @@ -3058,7 +3059,7 @@ xfs_btree_insrec( > > > #endif > > > > > > /* Now put the new data in, bump numrecs and log it. */ > > > - xfs_btree_copy_keys(cur, kp, &key, 1); > > > + xfs_btree_copy_keys(cur, kp, key, 1); > > > xfs_btree_copy_ptrs(cur, pp, ptrp, 1); > > > numrecs++; > > > xfs_btree_set_numrecs(block, numrecs); > > > @@ -3079,7 +3080,7 @@ xfs_btree_insrec( > > > xfs_btree_shift_recs(cur, rp, 1, numrecs - ptr + 1); > > > > > > /* Now put the new data in, bump numrecs and log it. */ > > > - xfs_btree_copy_recs(cur, rp, recp, 1); > > > + xfs_btree_copy_recs(cur, rp, &rec, 1); > > > xfs_btree_set_numrecs(block, ++numrecs); > > > xfs_btree_log_recs(cur, bp, ptr, numrecs); > > > #ifdef DEBUG > > > @@ -3095,7 +3096,7 @@ xfs_btree_insrec( > > > > > > /* If we inserted at the start of a block, update the parents' keys. */ > > > if (optr == 1) { > > > - error = xfs_btree_updkey(cur, &key, level + 1); > > > + error = xfs_btree_updkey(cur, key, level + 1); > > > if (error) > > > goto error0; > > > } > > > @@ -3105,7 +3106,7 @@ xfs_btree_insrec( > > > * we are at the far right edge of the tree, update it. > > > */ > > > if (xfs_btree_is_lastrec(cur, block, level)) { > > > - cur->bc_ops->update_lastrec(cur, block, recp, > > > + cur->bc_ops->update_lastrec(cur, block, &rec, > > > ptr, LASTREC_INSREC); > > > } > > > > > > @@ -3115,7 +3116,7 @@ xfs_btree_insrec( > > > */ > > > *ptrp = nptr; > > > if (!xfs_btree_ptr_is_null(cur, &nptr)) { > > > - *recp = nrec; > > > + *key = nkey; > > > *curp = ncur; > > > } > > > > > > @@ -3146,14 +3147,13 @@ xfs_btree_insert( > > > union xfs_btree_ptr nptr; /* new block number (split result) */ > > > struct xfs_btree_cur *ncur; /* new cursor (split result) */ > > > struct xfs_btree_cur *pcur; /* previous level's cursor */ > > > - union xfs_btree_rec rec; /* record to insert */ > > > + union xfs_btree_key key; /* key of block to insert */ > > > > > > level = 0; > > > ncur = NULL; > > > pcur = cur; > > > > > > xfs_btree_set_ptr_null(cur, &nptr); > > > - cur->bc_ops->init_rec_from_cur(cur, &rec); > > > > > > /* > > > * Loop going up the tree, starting at the leaf level. > > > @@ -3165,7 +3165,7 @@ xfs_btree_insert( > > > * Insert nrec/nptr into this level of the tree. > > > * Note if we fail, nptr will be null. > > > */ > > > - error = xfs_btree_insrec(pcur, level, &nptr, &rec, &ncur, &i); > > > + error = xfs_btree_insrec(pcur, level, &nptr, &key, &ncur, &i); > > > if (error) { > > > if (pcur != cur) > > > xfs_btree_del_cursor(pcur, XFS_BTREE_ERROR); > > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > > index b955e5d..b99c018 100644 > > > --- a/fs/xfs/libxfs/xfs_btree.h > > > +++ b/fs/xfs/libxfs/xfs_btree.h > > > @@ -158,8 +158,6 @@ struct xfs_btree_ops { > > > /* init values of btree structures */ > > > void (*init_key_from_rec)(union xfs_btree_key *key, > > > union xfs_btree_rec *rec); > > > - void (*init_rec_from_key)(union xfs_btree_key *key, > > > - union xfs_btree_rec *rec); > > > void (*init_rec_from_cur)(struct xfs_btree_cur *cur, > > > union xfs_btree_rec *rec); > > > void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, > > > diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c > > > index 89c21d7..88da2ad 100644 > > > --- a/fs/xfs/libxfs/xfs_ialloc_btree.c > > > +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c > > > @@ -146,14 +146,6 @@ xfs_inobt_init_key_from_rec( > > > } > > > > > > STATIC void > > > -xfs_inobt_init_rec_from_key( > > > - union xfs_btree_key *key, > > > - union xfs_btree_rec *rec) > > > -{ > > > - rec->inobt.ir_startino = key->inobt.ir_startino; > > > -} > > > - > > > -STATIC void > > > xfs_inobt_init_rec_from_cur( > > > struct xfs_btree_cur *cur, > > > union xfs_btree_rec *rec) > > > @@ -314,7 +306,6 @@ static const struct xfs_btree_ops xfs_inobt_ops = { > > > .get_minrecs = xfs_inobt_get_minrecs, > > > .get_maxrecs = xfs_inobt_get_maxrecs, > > > .init_key_from_rec = xfs_inobt_init_key_from_rec, > > > - .init_rec_from_key = xfs_inobt_init_rec_from_key, > > > .init_rec_from_cur = xfs_inobt_init_rec_from_cur, > > > .init_ptr_from_cur = xfs_inobt_init_ptr_from_cur, > > > .key_diff = xfs_inobt_key_diff, > > > @@ -336,7 +327,6 @@ static const struct xfs_btree_ops xfs_finobt_ops = { > > > .get_minrecs = xfs_inobt_get_minrecs, > > > .get_maxrecs = xfs_inobt_get_maxrecs, > > > .init_key_from_rec = xfs_inobt_init_key_from_rec, > > > - .init_rec_from_key = xfs_inobt_init_rec_from_key, > > > .init_rec_from_cur = xfs_inobt_init_rec_from_cur, > > > .init_ptr_from_cur = xfs_finobt_init_ptr_from_cur, > > > .key_diff = xfs_inobt_key_diff, > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Jun 28 07:32:10 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EA5497CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 07:32:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id BC08B304032 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:32:07 -0700 (PDT) X-ASG-Debug-ID: 1467117125-04cbb027352ed460001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id MnuLw020ICNQB2hq (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:32:05 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1BC9D63146; Tue, 28 Jun 2016 12:32:05 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5SCW4NU003031; Tue, 28 Jun 2016 08:32:04 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 1D6DB1200E8; Tue, 28 Jun 2016 08:32:04 -0400 (EDT) Date: Tue, 28 Jun 2016 08:32:04 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys Message-ID: <20160628123203.GB4212@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612635526.12839.13865365567940815077.stgit@birch.djwong.org> <20160622151706.GB5423@bfoster.bfoster> <20160628032621.GB4917@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160628032621.GB4917@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 28 Jun 2016 12:32:05 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467117125 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 15853 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Jun 27, 2016 at 08:26:21PM -0700, Darrick J. Wong wrote: > On Wed, Jun 22, 2016 at 11:17:06AM -0400, Brian Foster wrote: > > On Thu, Jun 16, 2016 at 06:19:15PM -0700, Darrick J. Wong wrote: > > > On a filesystem with both reflink and reverse mapping enabled, it's > > > possible to have multiple rmap records referring to the same blocks on > > > disk. When overlapping intervals are possible, querying a classic > > > btree to find all records intersecting a given interval is inefficient > > > because we cannot use the left side of the search interval to filter > > > out non-matching records the same way that we can use the existing > > > btree key to filter out records coming after the right side of the > > > search interval. This will become important once we want to use the > > > rmap btree to rebuild BMBTs, or implement the (future) fsmap ioctl. > > > > > > (For the non-overlapping case, we can perform such queries trivially > > > by starting at the left side of the interval and walking the tree > > > until we pass the right side.) > > > > > > Therefore, extend the btree code to come closer to supporting > > > intervals as a first-class record attribute. This involves widening > > > the btree node's key space to store both the lowest key reachable via > > > the node pointer (as the btree does now) and the highest key reachable > > > via the same pointer and teaching the btree modifying functions to > > > keep the highest-key records up to date. > > > > > > This behavior can be turned on via a new btree ops flag so that btrees > > > that cannot store overlapping intervals don't pay the overhead costs > > > in terms of extra code and disk format changes. > > > > > > v2: When we're deleting a record in a btree that supports overlapped > > > interval records and the deletion results in two btree blocks being > > > joined, we defer updating the high/low keys until after all possible > > > joining (at higher levels in the tree) have finished. At this point, > > > the btree pointers at all levels have been updated to remove the empty > > > blocks and we can update the low and high keys. > > > > > > When we're doing this, we must be careful to update the keys of all > > > node pointers up to the root instead of stopping at the first set of > > > keys that don't need updating. This is because it's possible for a > > > single deletion to cause joining of multiple levels of tree, and so > > > we need to update everything going back to the root. > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > --- > > > > I think I get the gist of this and it mostly looks Ok to me. A few > > questions and minor comments... > > Ok. > > > > fs/xfs/libxfs/xfs_btree.c | 379 +++++++++++++++++++++++++++++++++++++++++---- > > > fs/xfs/libxfs/xfs_btree.h | 16 ++ > > > fs/xfs/xfs_trace.h | 36 ++++ > > > 3 files changed, 395 insertions(+), 36 deletions(-) > > > > > > > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > > index a096539..afcafd6 100644 > > > --- a/fs/xfs/libxfs/xfs_btree.c > > > +++ b/fs/xfs/libxfs/xfs_btree.c ... > > > @@ -2149,7 +2392,9 @@ xfs_btree_lshift( > > > rkp = &key; > > > } > > > > > > - /* Update the parent key values of right. */ > > > + /* Update the parent key values of left and right. */ > > > + xfs_btree_sibling_updkeys(cur, level, XFS_BB_LEFTSIB, left, lbp); > > > + xfs_btree_updkeys(cur, level); > > > error = xfs_btree_updkey(cur, rkp, level + 1); > > > if (error) > > > goto error0; > > > @@ -2321,6 +2566,9 @@ xfs_btree_rshift( > > > if (error) > > > goto error1; > > > > > > + /* Update left and right parent pointers */ > > > + xfs_btree_updkeys(cur, level); > > > + xfs_btree_updkeys(tcur, level); > > > > In this case, we grab the last record of the block, increment from there > > and update using the cursor. This is much more straightforward, imo. > > Could we use this approach in the left shift case as well? > > Yes, I think so. I might have started refactoring btree_sibling_updkeys > out of existence and got distracted, since there isn't anything that uses > the RIGHTSIB ptr value. > Ok, I think that would be much cleaner. > > > error = xfs_btree_updkey(tcur, rkp, level + 1); > > > if (error) > > > goto error1; > > > @@ -2356,7 +2604,7 @@ __xfs_btree_split( > > > struct xfs_btree_cur *cur, > > > int level, > > > union xfs_btree_ptr *ptrp, > > > - union xfs_btree_key *key, > > > + struct xfs_btree_double_key *key, > > > struct xfs_btree_cur **curp, > > > int *stat) /* success/failure */ > > > { > > > @@ -2452,9 +2700,6 @@ __xfs_btree_split( > > > > > > xfs_btree_log_keys(cur, rbp, 1, rrecs); > > > xfs_btree_log_ptrs(cur, rbp, 1, rrecs); > > > - > > > - /* Grab the keys to the entries moved to the right block */ > > > - xfs_btree_copy_keys(cur, key, rkp, 1); > > > } else { > > > /* It's a leaf. Move records. */ > > > union xfs_btree_rec *lrp; /* left record pointer */ > > > @@ -2465,12 +2710,8 @@ __xfs_btree_split( > > > > > > xfs_btree_copy_recs(cur, rrp, lrp, rrecs); > > > xfs_btree_log_recs(cur, rbp, 1, rrecs); > > > - > > > - cur->bc_ops->init_key_from_rec(key, > > > - xfs_btree_rec_addr(cur, 1, right)); > > > } > > > > > > - > > > /* > > > * Find the left block number by looking in the buffer. > > > * Adjust numrecs, sibling pointers. > > > @@ -2484,6 +2725,12 @@ __xfs_btree_split( > > > xfs_btree_set_numrecs(left, lrecs); > > > xfs_btree_set_numrecs(right, xfs_btree_get_numrecs(right) + rrecs); > > > > > > + /* Find the low & high keys for the new block. */ > > > + if (level > 0) > > > + xfs_btree_find_node_keys(cur, right, &key->low, &key->high); > > > + else > > > + xfs_btree_find_leaf_keys(cur, right, &key->low, &key->high); > > > + > > > > Why not push these into the above if/else where the previous key > > copy/init calls were removed from? > > We don't set bb_numrecs on the right block until the line above the new > hunk, and the btree_find_*_keys functions require numrecs to be set. > > The removed key copy/init calls only looked at keys[1]. > > That said, it's trivial to move the set_numrecs calls above the if statement. > Ok, thanks. No need to shuffle it around. I'd suggest a one-liner comment though so somebody doesn't blindly refactor this down the road. It also sounds like the find keys functions could use ASSERT() checks for a sane bb_numrecs. > > > xfs_btree_log_block(cur, rbp, XFS_BB_ALL_BITS); > > > xfs_btree_log_block(cur, lbp, XFS_BB_NUMRECS | XFS_BB_RIGHTSIB); > > > ... > > > @@ -3095,8 +3365,24 @@ xfs_btree_insrec( > > > xfs_btree_log_block(cur, bp, XFS_BB_NUMRECS); > > > > > > /* If we inserted at the start of a block, update the parents' keys. */ > > > > This comment is associated with the codeblock that has been pushed > > further down, no? > > Correct. I think that got mismerged somewhere along the way. > > > > + if (ncur && bp->b_bn != old_bn) { > > > + /* > > > + * We just inserted into a new tree block, which means that > > > + * the key for the block is in nkey, not the tree. > > > + */ > > > + if (level == 0) > > > + xfs_btree_find_leaf_keys(cur, block, &nkey.low, > > > + &nkey.high); > > > + else > > > + xfs_btree_find_node_keys(cur, block, &nkey.low, > > > + &nkey.high); > > > + } else { > > > + /* Updating the left block, do it the standard way. */ > > > + xfs_btree_updkeys(cur, level); > > > + } > > > + > > > > Not quite sure I follow the purpose of this hunk. Is this for the case > > where a btree split occurs, nkey is filled in for the new/right block > > and then (after nkey is filled in) the new record ends up being added to > > the new block? If so, what about the case where ncur is not created? > > (It looks like that's possible from the code, but I could easily be > > missing some context as to why that's not the case.) > > Yes, the first part of the if-else hunk is to fill out nkey when we've > split a btree block. Now that I look at it again, I think that whole > weird conditional could be replaced with the same xfs_btree_ptr_is_null() > check later on. I think it can also be combined with it. > Ok. > Commentage for now: > > /* > * If we just inserted a new tree block, we have to find the low > * and high keys for the new block and arrange to pass them back > * separately. If we're just updating a block we can use the > * regular tree update mechanism. > */ > Couldn't you just point out that nkey may not be coherent with the new block if the new record was inserted therein..? > > In any event, I think we could elaborate a bit in the comment on why > > this is necessary. I'd also move it above the top-level if/else. > > > > > if (optr == 1) { > > > - error = xfs_btree_updkey(cur, key, level + 1); > > > + error = xfs_btree_updkey(cur, &key->low, level + 1); > > > if (error) > > > goto error0; > > > } > > > @@ -3147,7 +3433,7 @@ xfs_btree_insert( > > > union xfs_btree_ptr nptr; /* new block number (split result) */ > > > struct xfs_btree_cur *ncur; /* new cursor (split result) */ > > > struct xfs_btree_cur *pcur; /* previous level's cursor */ > > > - union xfs_btree_key key; /* key of block to insert */ > > > + struct xfs_btree_double_key key; /* key of block to insert */ > > > > Probably should fix up the function param alignment here and the couple > > other or so places we make this change. > > I changed the name to xfs_btree_bigkey, which avoids the alignment problems. > Sounds good. Brian > --D > > > > > Brian > > > > > > > > level = 0; > > > ncur = NULL; > > > @@ -3552,6 +3838,7 @@ xfs_btree_delrec( > > > * If we deleted the leftmost entry in the block, update the > > > * key values above us in the tree. > > > */ > > > + xfs_btree_updkeys(cur, level); > > > if (ptr == 1) { > > > error = xfs_btree_updkey(cur, keyp, level + 1); > > > if (error) > > > @@ -3882,6 +4169,16 @@ xfs_btree_delrec( > > > if (level > 0) > > > cur->bc_ptrs[level]--; > > > > > > + /* > > > + * We combined blocks, so we have to update the parent keys if the > > > + * btree supports overlapped intervals. However, bc_ptrs[level + 1] > > > + * points to the old block so that the caller knows which record to > > > + * delete. Therefore, the caller must be savvy enough to call updkeys > > > + * for us if we return stat == 2. The other exit points from this > > > + * function don't require deletions further up the tree, so they can > > > + * call updkeys directly. > > > + */ > > > + > > > XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); > > > /* Return value means the next level up has something to do. */ > > > *stat = 2; > > > @@ -3907,6 +4204,7 @@ xfs_btree_delete( > > > int error; /* error return value */ > > > int level; > > > int i; > > > + bool joined = false; > > > > > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > > > > > > @@ -3920,8 +4218,17 @@ xfs_btree_delete( > > > error = xfs_btree_delrec(cur, level, &i); > > > if (error) > > > goto error0; > > > + if (i == 2) > > > + joined = true; > > > } > > > > > > + /* > > > + * If we combined blocks as part of deleting the record, delrec won't > > > + * have updated the parent keys so we have to do that here. > > > + */ > > > + if (joined) > > > + xfs_btree_updkeys_force(cur, 0); > > > + > > > if (i == 0) { > > > for (level = 1; level < cur->bc_nlevels; level++) { > > > if (cur->bc_ptrs[level] == 0) { > > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > > index b99c018..a5ec6c7 100644 > > > --- a/fs/xfs/libxfs/xfs_btree.h > > > +++ b/fs/xfs/libxfs/xfs_btree.h > > > @@ -126,6 +126,9 @@ struct xfs_btree_ops { > > > size_t key_len; > > > size_t rec_len; > > > > > > + /* flags */ > > > + uint flags; > > > + > > > /* cursor operations */ > > > struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); > > > void (*update_cursor)(struct xfs_btree_cur *src, > > > @@ -162,11 +165,21 @@ struct xfs_btree_ops { > > > union xfs_btree_rec *rec); > > > void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, > > > union xfs_btree_ptr *ptr); > > > + void (*init_high_key_from_rec)(union xfs_btree_key *key, > > > + union xfs_btree_rec *rec); > > > > > > /* difference between key value and cursor value */ > > > __int64_t (*key_diff)(struct xfs_btree_cur *cur, > > > union xfs_btree_key *key); > > > > > > + /* > > > + * Difference between key2 and key1 -- positive if key2 > key1, > > > + * negative if key2 < key1, and zero if equal. > > > + */ > > > + __int64_t (*diff_two_keys)(struct xfs_btree_cur *cur, > > > + union xfs_btree_key *key1, > > > + union xfs_btree_key *key2); > > > + > > > const struct xfs_buf_ops *buf_ops; > > > > > > #if defined(DEBUG) || defined(XFS_WARN) > > > @@ -182,6 +195,9 @@ struct xfs_btree_ops { > > > #endif > > > }; > > > > > > +/* btree ops flags */ > > > +#define XFS_BTREE_OPS_OVERLAPPING (1<<0) /* overlapping intervals */ > > > + > > > /* > > > * Reasons for the update_lastrec method to be called. > > > */ > > > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > > > index 68f27f7..ffea28c 100644 > > > --- a/fs/xfs/xfs_trace.h > > > +++ b/fs/xfs/xfs_trace.h > > > @@ -38,6 +38,7 @@ struct xlog_recover_item; > > > struct xfs_buf_log_format; > > > struct xfs_inode_log_format; > > > struct xfs_bmbt_irec; > > > +struct xfs_btree_cur; > > > > > > DECLARE_EVENT_CLASS(xfs_attr_list_class, > > > TP_PROTO(struct xfs_attr_list_context *ctx), > > > @@ -2183,6 +2184,41 @@ DEFINE_DISCARD_EVENT(xfs_discard_toosmall); > > > DEFINE_DISCARD_EVENT(xfs_discard_exclude); > > > DEFINE_DISCARD_EVENT(xfs_discard_busy); > > > > > > +/* btree cursor events */ > > > +DECLARE_EVENT_CLASS(xfs_btree_cur_class, > > > + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), > > > + TP_ARGS(cur, level, bp), > > > + TP_STRUCT__entry( > > > + __field(dev_t, dev) > > > + __field(xfs_btnum_t, btnum) > > > + __field(int, level) > > > + __field(int, nlevels) > > > + __field(int, ptr) > > > + __field(xfs_daddr_t, daddr) > > > + ), > > > + TP_fast_assign( > > > + __entry->dev = cur->bc_mp->m_super->s_dev; > > > + __entry->btnum = cur->bc_btnum; > > > + __entry->level = level; > > > + __entry->nlevels = cur->bc_nlevels; > > > + __entry->ptr = cur->bc_ptrs[level]; > > > + __entry->daddr = bp->b_bn; > > > + ), > > > + TP_printk("dev %d:%d btnum %d level %d/%d ptr %d daddr 0x%llx", > > > + MAJOR(__entry->dev), MINOR(__entry->dev), > > > + __entry->btnum, > > > + __entry->level, > > > + __entry->nlevels, > > > + __entry->ptr, > > > + (unsigned long long)__entry->daddr) > > > +) > > > + > > > +#define DEFINE_BTREE_CUR_EVENT(name) \ > > > +DEFINE_EVENT(xfs_btree_cur_class, name, \ > > > + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ > > > + TP_ARGS(cur, level, bp)) > > > +DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > > > + > > > #endif /* _TRACE_XFS_H */ > > > > > > #undef TRACE_INCLUDE_PATH > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Jun 28 07:32:23 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 2024A7CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 07:32:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id E639B8F8033 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:32:22 -0700 (PDT) X-ASG-Debug-ID: 1467117140-04cbb027352ed510001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id qXoFgFSQHdXReP6m (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:32:20 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3F29964389; Tue, 28 Jun 2016 12:32:20 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5SCWJKj000325; Tue, 28 Jun 2016 08:32:19 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 3827C1200E8; Tue, 28 Jun 2016 08:32:19 -0400 (EDT) Date: Tue, 28 Jun 2016 08:32:19 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 014/119] xfs: introduce interval queries on btrees Message-ID: <20160628123218.GC4212@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 014/119] xfs: introduce interval queries on btrees References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612636170.12839.675596870201079078.stgit@birch.djwong.org> <20160622151800.GC5423@bfoster.bfoster> <20160627210746.GB4921@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160627210746.GB4921@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 28 Jun 2016 12:32:20 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467117140 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 16772 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Jun 27, 2016 at 02:07:46PM -0700, Darrick J. Wong wrote: > On Wed, Jun 22, 2016 at 11:18:00AM -0400, Brian Foster wrote: > > On Thu, Jun 16, 2016 at 06:19:21PM -0700, Darrick J. Wong wrote: > > > Create a function to enable querying of btree records mapping to a > > > range of keys. This will be used in subsequent patches to allow > > > querying the reverse mapping btree to find the extents mapped to a > > > range of physical blocks, though the generic code can be used for > > > any range query. > > > > > > v2: add some shortcuts so that we can jump out of processing once > > > we know there won't be any more records to find. > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > --- > > > fs/xfs/libxfs/xfs_btree.c | 249 +++++++++++++++++++++++++++++++++++++++++++++ > > > fs/xfs/libxfs/xfs_btree.h | 22 +++- > > > fs/xfs/xfs_trace.h | 1 > > > 3 files changed, 267 insertions(+), 5 deletions(-) > > > > > > > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > > index afcafd6..5f5cf23 100644 > > > --- a/fs/xfs/libxfs/xfs_btree.c > > > +++ b/fs/xfs/libxfs/xfs_btree.c > > > @@ -4509,3 +4509,252 @@ xfs_btree_calc_size( > > > } > > > return rval; > > > } > > > + > > > +/* Query a regular btree for all records overlapping a given interval. */ > > > > Can you elaborate on the search algorithm used? (More for reference > > against the overlapped query, as that one is more complex). > > Ok. Both query_range functions aim to return all records intersecting the > given range. > > For non-overlapped btrees, we start with a LE lookup of the low key and > return each record we find a the record with a key greater than the > high key. > > For overlapped btrees, we follow the procedure in the "Interval trees" > section of _Introduction to Algorithms_, which is 14.3 in the 2nd and > 3rd editions. The query algorithm is roughly as follows: > > For any leaf btree node, generate the low and high keys for the record. > If there's a range overlap with the query's low and high keys, pass the > record to the iterator function. > > For any internal btree node, compare the low and high keys for each pointer > against the query's low and high keys. If there's an overlap, follow the > pointer downwards in the tree. > > (I could render the figures in the book as ASCII art if anyone wants.) > Thanks. I meant more to update the comments above each function. :) No need to go as far as ASCII art I don't think (the external reference might be good though). I was really just looking for something that says "this function is supposed to do <whatever>" so somebody reading through it has a starting point of reference. > > > > > +STATIC int > > > +xfs_btree_simple_query_range( > > > + struct xfs_btree_cur *cur, > > > + union xfs_btree_irec *low_rec, > > > + union xfs_btree_irec *high_rec, > > > + xfs_btree_query_range_fn fn, > > > + void *priv) > > > +{ > > > + union xfs_btree_rec *recp; > > > + union xfs_btree_rec rec; > > > + union xfs_btree_key low_key; > > > + union xfs_btree_key high_key; > > > + union xfs_btree_key rec_key; > > > + __int64_t diff; > > > + int stat; > > > + bool firstrec = true; > > > + int error; > > > + > > > + ASSERT(cur->bc_ops->init_high_key_from_rec); > > > + > > > + /* Find the keys of both ends of the interval. */ > > > + cur->bc_rec = *high_rec; > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > + cur->bc_ops->init_key_from_rec(&high_key, &rec); > > > + > > > + cur->bc_rec = *low_rec; > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > + cur->bc_ops->init_key_from_rec(&low_key, &rec); > > > + > > > + /* Find the leftmost record. */ > > > + stat = 0; > > > + error = xfs_btree_lookup(cur, XFS_LOOKUP_LE, &stat); > > > + if (error) > > > + goto out; > > > + > > > + while (stat) { > > > + /* Find the record. */ > > > + error = xfs_btree_get_rec(cur, &recp, &stat); > > > + if (error || !stat) > > > + break; > > > + > > > + /* Can we tell if this record is too low? */ > > > + if (firstrec) { > > > + cur->bc_rec = *low_rec; > > > + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); > > > + diff = cur->bc_ops->key_diff(cur, &rec_key); > > > + if (diff < 0) > > > + goto advloop; > > > + } > > > + firstrec = false; > > > > This could move up into the if block. > > Ok. > > > > + > > > + /* Have we gone past the end? */ > > > + cur->bc_rec = *high_rec; > > > + cur->bc_ops->init_key_from_rec(&rec_key, recp); > > > > I'd move this up to immediately after the xfs_btree_get_rec() call and > > eliminate the duplicate in the 'if (firstrec)' block above. > > Ok. That key ought to be named rec_hkey too. > > > > + diff = cur->bc_ops->key_diff(cur, &rec_key); > > > + if (diff > 0) > > > + break; > > > + > > > + /* Callback */ > > > + error = fn(cur, recp, priv); > > > + if (error < 0 || error == XFS_BTREE_QUERY_RANGE_ABORT) > > > + break; > > > + > > > +advloop: > > > + /* Move on to the next record. */ > > > + error = xfs_btree_increment(cur, 0, &stat); > > > + if (error) > > > + break; > > > + } > > > + > > > +out: > > > + return error; > > > +} > > > + > > > +/* > > > + * Query an overlapped interval btree for all records overlapping a given > > > + * interval. > > > + */ > > > > Same comment here, can you elaborate on the search algorithm? Also, I > > think an example or generic description of the rules around what records > > this query returns (e.g., low_rec/high_rec vs. record low/high keys) > > would be useful, particularly since I, at least, don't have much context > > on the rmap+reflink scenarios quite yet. > > Let's say you have a bunch of (overlapped) rmap records: > > 1: +- file A startblock B offset C length D -----------+ > 2: +- file E startblock F offset G length H --------------+ > 3: +- file I startblock F offset J length K --+ > 4: +- file L... --+ > > Now say we want to map block (B+D) into file A at offset (C+D). Ideally, we'd > simply increment the length of record 1. But how do we find that record that > ends at (B+D-1)? A LE lookup of (B+D-1) would return record 3 because the > keys are ordered first by startblock. An interval query would return records > 1 and 2 because they both overlap (B+D-1), and from that we can pick out > record 1 as the appropriate left neighbor. > Great, thanks.. can you include this content in the comment above the function as well? Brian > In the non-overlapped case you can do a LE lookup and decrement the cursor > because a record's interval must end before the next record. > > > > +STATIC int > > > +xfs_btree_overlapped_query_range( > > > + struct xfs_btree_cur *cur, > > > + union xfs_btree_irec *low_rec, > > > + union xfs_btree_irec *high_rec, > > > + xfs_btree_query_range_fn fn, > > > + void *priv) > > > +{ > > > + union xfs_btree_ptr ptr; > > > + union xfs_btree_ptr *pp; > > > + union xfs_btree_key rec_key; > > > + union xfs_btree_key low_key; > > > + union xfs_btree_key high_key; > > > + union xfs_btree_key *lkp; > > > + union xfs_btree_key *hkp; > > > + union xfs_btree_rec rec; > > > + union xfs_btree_rec *recp; > > > + struct xfs_btree_block *block; > > > + __int64_t ldiff; > > > + __int64_t hdiff; > > > + int level; > > > + struct xfs_buf *bp; > > > + int i; > > > + int error; > > > + > > > + /* Find the keys of both ends of the interval. */ > > > + cur->bc_rec = *high_rec; > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > + cur->bc_ops->init_key_from_rec(&high_key, &rec); > > > + > > > + cur->bc_rec = *low_rec; > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > + cur->bc_ops->init_key_from_rec(&low_key, &rec); > > > + > > > + /* Load the root of the btree. */ > > > + level = cur->bc_nlevels - 1; > > > + cur->bc_ops->init_ptr_from_cur(cur, &ptr); > > > + error = xfs_btree_lookup_get_block(cur, level, &ptr, &block); > > > + if (error) > > > + return error; > > > + xfs_btree_get_block(cur, level, &bp); > > > + trace_xfs_btree_overlapped_query_range(cur, level, bp); > > > +#ifdef DEBUG > > > + error = xfs_btree_check_block(cur, block, level, bp); > > > + if (error) > > > + goto out; > > > +#endif > > > + cur->bc_ptrs[level] = 1; > > > + > > > + while (level < cur->bc_nlevels) { > > > + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); > > > + > > > + if (level == 0) { > > > + /* End of leaf, pop back towards the root. */ > > > + if (cur->bc_ptrs[level] > > > > + be16_to_cpu(block->bb_numrecs)) { > > > +leaf_pop_up: > > > + if (level < cur->bc_nlevels - 1) > > > + cur->bc_ptrs[level + 1]++; > > > + level++; > > > + continue; > > > + } > > > + > > > + recp = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); > > > + > > > + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); > > > + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, > > > + &rec_key); > > > + > > > + cur->bc_ops->init_key_from_rec(&rec_key, recp); > > > + hdiff = cur->bc_ops->diff_two_keys(cur, &rec_key, > > > + &high_key); > > > + > > > > This looked a little funny to me because I expected diff_two_keys() to > > basically be param1 - param2. Looking ahead at the rmapbt code, it is in > > fact the other way around. I'm not sure we have precedent for either > > way, tbh. I still have to stare at this some more, but I wonder if a > > "does record overlap" helper (with comments) would help clean this up a > > bit. > > You're correct this is exactly the opposite of the compare functions in > the C library and the rest of the kernel. I'll fix that up. > > > > + /* If the record matches, callback */ > > > + if (ldiff >= 0 && hdiff >= 0) { > > Ok, I'll make it a little clearer what we're testing here: > > /* > * If (record's high key >= query's low key) and > * (query's high key >= record's low key), then > * this record overlaps the query range, so callback. > */ > > > > > + error = fn(cur, recp, priv); > > > + if (error < 0 || > > > + error == XFS_BTREE_QUERY_RANGE_ABORT) > > > + break; > > > + } else if (hdiff < 0) { > > > + /* Record is larger than high key; pop. */ > > > + goto leaf_pop_up; > > > + } > > > + cur->bc_ptrs[level]++; > > > + continue; > > > + } > > > + > > > + /* End of node, pop back towards the root. */ > > > + if (cur->bc_ptrs[level] > be16_to_cpu(block->bb_numrecs)) { > > > +node_pop_up: > > > + if (level < cur->bc_nlevels - 1) > > > + cur->bc_ptrs[level + 1]++; > > > + level++; > > > + continue; > > > > Looks like same code as leaf_pop_up. I wonder if we can bury this at the > > end of the loop with a common label. > > Yep. > > > > + } > > > + > > > + lkp = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); > > > + hkp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level], block); > > > + pp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[level], block); > > > + > > > + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, hkp); > > > + hdiff = cur->bc_ops->diff_two_keys(cur, lkp, &high_key); > > > + > > > + /* If the key matches, drill another level deeper. */ > > > + if (ldiff >= 0 && hdiff >= 0) { > > > + level--; > > > + error = xfs_btree_lookup_get_block(cur, level, pp, > > > + &block); > > > + if (error) > > > + goto out; > > > + xfs_btree_get_block(cur, level, &bp); > > > + trace_xfs_btree_overlapped_query_range(cur, level, bp); > > > +#ifdef DEBUG > > > + error = xfs_btree_check_block(cur, block, level, bp); > > > + if (error) > > > + goto out; > > > +#endif > > > + cur->bc_ptrs[level] = 1; > > > + continue; > > > + } else if (hdiff < 0) { > > > + /* The low key is larger than the upper range; pop. */ > > > + goto node_pop_up; > > > + } > > > + cur->bc_ptrs[level]++; > > > + } > > > + > > > +out: > > > + /* > > > + * If we don't end this function with the cursor pointing at a record > > > + * block, a subsequent non-error cursor deletion will not release > > > + * node-level buffers, causing a buffer leak. This is quite possible > > > + * with a zero-results range query, so release the buffers if we > > > + * failed to return any results. > > > + */ > > > + if (cur->bc_bufs[0] == NULL) { > > > + for (i = 0; i < cur->bc_nlevels; i++) { > > > + if (cur->bc_bufs[i]) { > > > + xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[i]); > > > + cur->bc_bufs[i] = NULL; > > > + cur->bc_ptrs[i] = 0; > > > + cur->bc_ra[i] = 0; > > > + } > > > + } > > > + } > > > + > > > + return error; > > > +} > > > + > > > +/* > > > + * Query a btree for all records overlapping a given interval of keys. The > > > + * supplied function will be called with each record found; return one of the > > > + * XFS_BTREE_QUERY_RANGE_{CONTINUE,ABORT} values or the usual negative error > > > + * code. This function returns XFS_BTREE_QUERY_RANGE_ABORT, zero, or a > > > + * negative error code. > > > + */ > > > +int > > > +xfs_btree_query_range( > > > + struct xfs_btree_cur *cur, > > > + union xfs_btree_irec *low_rec, > > > + union xfs_btree_irec *high_rec, > > > + xfs_btree_query_range_fn fn, > > > + void *priv) > > > +{ > > > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > > > + return xfs_btree_simple_query_range(cur, low_rec, > > > + high_rec, fn, priv); > > > + return xfs_btree_overlapped_query_range(cur, low_rec, high_rec, > > > + fn, priv); > > > +} > > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > > index a5ec6c7..898fee5 100644 > > > --- a/fs/xfs/libxfs/xfs_btree.h > > > +++ b/fs/xfs/libxfs/xfs_btree.h > > > @@ -206,6 +206,12 @@ struct xfs_btree_ops { > > > #define LASTREC_DELREC 2 > > > > > > > > > +union xfs_btree_irec { > > > + xfs_alloc_rec_incore_t a; > > > + xfs_bmbt_irec_t b; > > > + xfs_inobt_rec_incore_t i; > > > +}; > > > + > > > > We might as well kill off the typedef usage here. > > Ok. Thx for the review! > > --D > > > > > Brian > > > > > /* > > > * Btree cursor structure. > > > * This collects all information needed by the btree code in one place. > > > @@ -216,11 +222,7 @@ typedef struct xfs_btree_cur > > > struct xfs_mount *bc_mp; /* file system mount struct */ > > > const struct xfs_btree_ops *bc_ops; > > > uint bc_flags; /* btree features - below */ > > > - union { > > > - xfs_alloc_rec_incore_t a; > > > - xfs_bmbt_irec_t b; > > > - xfs_inobt_rec_incore_t i; > > > - } bc_rec; /* current insert/search record value */ > > > + union xfs_btree_irec bc_rec; /* current insert/search record value */ > > > struct xfs_buf *bc_bufs[XFS_BTREE_MAXLEVELS]; /* buf ptr per level */ > > > int bc_ptrs[XFS_BTREE_MAXLEVELS]; /* key/record # */ > > > __uint8_t bc_ra[XFS_BTREE_MAXLEVELS]; /* readahead bits */ > > > @@ -494,4 +496,14 @@ xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, > > > uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, > > > unsigned long len); > > > > > > +/* return codes */ > > > +#define XFS_BTREE_QUERY_RANGE_CONTINUE 0 /* keep iterating */ > > > +#define XFS_BTREE_QUERY_RANGE_ABORT 1 /* stop iterating */ > > > +typedef int (*xfs_btree_query_range_fn)(struct xfs_btree_cur *cur, > > > + union xfs_btree_rec *rec, void *priv); > > > + > > > +int xfs_btree_query_range(struct xfs_btree_cur *cur, > > > + union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, > > > + xfs_btree_query_range_fn fn, void *priv); > > > + > > > #endif /* __XFS_BTREE_H__ */ > > > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > > > index ffea28c..f0ac9c9 100644 > > > --- a/fs/xfs/xfs_trace.h > > > +++ b/fs/xfs/xfs_trace.h > > > @@ -2218,6 +2218,7 @@ DEFINE_EVENT(xfs_btree_cur_class, name, \ > > > TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ > > > TP_ARGS(cur, level, bp)) > > > DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > > > +DEFINE_BTREE_CUR_EVENT(xfs_btree_overlapped_query_range); > > > > > > #endif /* _TRACE_XFS_H */ > > > > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Jun 28 07:32:40 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8AF0F7CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 07:32:40 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 12C80AC002 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:32:37 -0700 (PDT) X-ASG-Debug-ID: 1467117154-04cbb027362ed580001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id B2XZGmtyEuaB0VoA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:32:34 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D428E7F6B1; Tue, 28 Jun 2016 12:32:33 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5SCWXKt016398; Tue, 28 Jun 2016 08:32:33 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id EDC8F1200E8; Tue, 28 Jun 2016 08:32:32 -0400 (EDT) Date: Tue, 28 Jun 2016 08:32:32 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 016/119] xfs: move deferred operations into a separate file Message-ID: <20160628123232.GD4212@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 016/119] xfs: move deferred operations into a separate file References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612637438.12839.12318902006860455847.stgit@birch.djwong.org> <20160627131452.GA23076@bfoster.bfoster> <20160627191401.GA4921@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160627191401.GA4921@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 28 Jun 2016 12:32:33 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467117154 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 21834 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Jun 27, 2016 at 12:14:01PM -0700, Darrick J. Wong wrote: > On Mon, Jun 27, 2016 at 09:14:54AM -0400, Brian Foster wrote: > > On Thu, Jun 16, 2016 at 06:19:34PM -0700, Darrick J. Wong wrote: > > > All the code around struct xfs_bmap_free basically implements a > > > deferred operation framework through which we can roll transactions > > > (to unlock buffers and avoid violating lock order rules) while > > > managing all the necessary log redo items. Previously we only used > > > this code to free extents after some sort of mapping operation, but > > > with the advent of rmap and reflink, we suddenly need to do more than > > > that. > > > > > > With that in mind, xfs_bmap_free really becomes a deferred ops control > > > structure. Rename the structure and move the deferred ops into their > > > own file to avoid further bloating of the bmap code. > > > > > > v2: actually sort the work items by AG to avoid deadlocks > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > --- > > > > So if I'm following this correctly, we 1.) abstract the bmap freeing > > infrastructure into a generic mechanism and 2.) enhance it a bit to > > provide things like partial intent completion, etc. > > [Back from vacation] > > Yup. The partial intent completion code is for use by the refcount adjust > function because in the worst case an adjustment of N blocks could require > N record updates. > Ok, technically those bits could be punted off to the reflink series. > > If so and for future > > reference, this would probably be easier to review if the abstraction > > and enhancement were done separately. It's probably not worth that at > > this point, however... > > It wouldn't be difficult to separate them; the partial intent completion > are the two code blocks below that handle the -EAGAIN case. > That's kind of what I figured, since otherwise most of the rest of the code maps to the xfs_bmap_*() stuff. > (On the other hand it's so little code that I figured I might as well > just do the whole file all at once.) > It's more a matter of simplifying review when a change is explicitly refactoring vs. having to read through and identify where the enhancements actually are. It leaves a cleaner git history and tends to simplify backporting as well, fwiw. That said, I don't mind leaving this one as is at this point. > > > fs/xfs/Makefile | 2 > > > fs/xfs/libxfs/xfs_defer.c | 471 +++++++++++++++++++++++++++++++++++++++++++++ > > > fs/xfs/libxfs/xfs_defer.h | 96 +++++++++ > > > fs/xfs/xfs_defer_item.c | 36 +++ > > > fs/xfs/xfs_super.c | 2 > > > 5 files changed, 607 insertions(+) > > > create mode 100644 fs/xfs/libxfs/xfs_defer.c > > > create mode 100644 fs/xfs/libxfs/xfs_defer.h > > > create mode 100644 fs/xfs/xfs_defer_item.c > > > > > > > > > diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile > > > index 3542d94..ad46a2d 100644 > > > --- a/fs/xfs/Makefile > > > +++ b/fs/xfs/Makefile > > > @@ -39,6 +39,7 @@ xfs-y += $(addprefix libxfs/, \ > > > xfs_btree.o \ > > > xfs_da_btree.o \ > > > xfs_da_format.o \ > > > + xfs_defer.o \ > > > xfs_dir2.o \ > > > xfs_dir2_block.o \ > > > xfs_dir2_data.o \ > > > @@ -66,6 +67,7 @@ xfs-y += xfs_aops.o \ > > > xfs_attr_list.o \ > > > xfs_bmap_util.o \ > > > xfs_buf.o \ > > > + xfs_defer_item.o \ > > > xfs_dir2_readdir.o \ > > > xfs_discard.o \ > > > xfs_error.o \ > > > diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c > > > new file mode 100644 > > > index 0000000..ad14e33e > > > --- /dev/null > > > +++ b/fs/xfs/libxfs/xfs_defer.c ... > > > +int > > > +xfs_defer_finish( > > > + struct xfs_trans **tp, > > > + struct xfs_defer_ops *dop, > > > + struct xfs_inode *ip) > > > +{ > > > + struct xfs_defer_pending *dfp; > > > + struct list_head *li; > > > + struct list_head *n; > > > + void *done_item = NULL; > > > + void *state; > > > + int error = 0; > > > + void (*cleanup_fn)(struct xfs_trans *, void *, int); > > > + > > > + ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); > > > + > > > + /* Until we run out of pending work to finish... */ > > > + while (xfs_defer_has_unfinished_work(dop)) { > > > + /* Log intents for work items sitting in the intake. */ > > > + xfs_defer_intake_work(*tp, dop); > > > + > > > + /* Roll the transaction. */ > > > + error = xfs_defer_trans_roll(tp, dop, ip); > > > + if (error) > > > + goto out; > > > + > > > + /* Mark all pending intents as committed. */ > > > + list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { > > > + if (dfp->dfp_committed) > > > + break; > > > + dfp->dfp_committed = true; > > > + } > > > + > > > + /* Log an intent-done item for the first pending item. */ > > > + dfp = list_first_entry(&dop->dop_pending, > > > + struct xfs_defer_pending, dfp_list); > > > + done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, > > > + dfp->dfp_count); > > > + cleanup_fn = dfp->dfp_type->finish_cleanup; > > > + > > > + /* Finish the work items. */ > > > + state = NULL; > > > + list_for_each_safe(li, n, &dfp->dfp_work) { > > > + list_del(li); > > > + dfp->dfp_count--; > > > + error = dfp->dfp_type->finish_item(*tp, dop, li, > > > + done_item, &state); > > > + if (error == -EAGAIN) { > > > + /* > > > + * If the caller needs to try again, put the > > > + * item back on the pending list and jump out > > > + * for further processing. > > > > A little confused by the terminology here. Perhaps better to say "back > > on the work list" rather than "pending list?" > > Yes. > > > Also, what is the meaning/purpose of -EAGAIN here? This isn't used by > > the extent free bits so I'm missing some context. > > Generally, the ->finish_item() uses -EAGAIN to signal that it couldn't finish > the work item and that it's necessary to log a new redo item and try again. > Ah, Ok. So it is explicitly part of the dfops interface/infrastructure. I think that is worth documenting above with a comment (i.e., "certain callers might require many transactions, use -EAGAIN to indicate ... blah blah"). > Practically, the only user of this mechanism is the refcountbt adjust function. > It might be the case that we want to adjust N blocks, but some pathological > user has creatively used reflink to create many refcount records. In that > case we could blow out the transaction reservation logging all the updates. > > To avoid that, the refcount code tries to guess (conservatively) when it > might be getting close and returns a short *adjusted. See the call sites of > xfs_refcount_still_have_space(). Next, xfs_trans_log_finish_refcount_update() > will notice the short adjust returned and fixes up the CUD item to have a > reduced cud_nextents and to reflect where the operation stopped. Then, > xfs_refcount_update_finish_item() notices the short return, updates the work > item list, and returns -EAGAIN. Finally, xfs_defer_finish() sees the -EAGAIN > and requeues the work item so that we resume refcount adjusting after the > transaction rolls. > Hmm, this makes me think that maybe it is better to split this up into two patches for now after all. I'm expecting this is going to be merged along with the rmap bits before the refcount stuff and I'm not a huge fan of putting in infrastructure code without users, moreso without fully understanding how/why said code is going to be used (and I'm not really looking to jump ahead into the refcount stuff yet). > > For example, is there > > an issue with carrying a done_item with an unexpected list count? > > AFAICT, nothing in log recovery ever checks that the list counts of the > intent and done items actually match, let alone the extents logged with > them. It only seems to care if there's an efd such that efd->efd_efi_id == > efi->efi_id, in which case it won't replay the efi. > Yeah, I didn't notice any issues with respect to EFI/EFD handling, though I didn't look too hard because it doesn't use this -EAGAIN mechanism. If it did, I think you might hit the odd ASSERT() check here or there (see xfs_efd_item_format()), but that's probably not catastrophic. I think it also affects the size of the transaction written to the log, fwiw. I ask more because it's unexpected to have a structure with a list count that doesn't match the actual number of items and I don't see it called out anywhere. This might be another good reason to punt this part off to the reflink series... > I don't know if that was a deliberate part of the log design, but the > lack of checking helps us here. > > > Is it > > expected that xfs_defer_finish() will not return until -EAGAIN is > > "cleared" (does relogging below and rolling somehow address this)? > > Yes, relogging and rolling gives us a fresh transaction with which to > continue updating. > > > > + */ > > > + list_add(li, &dfp->dfp_work); > > > + dfp->dfp_count++; > > > + break; > > > + } else if (error) { > > > + /* > > > + * Clean up after ourselves and jump out. > > > + * xfs_defer_cancel will take care of freeing > > > + * all these lists and stuff. > > > + */ > > > + if (cleanup_fn) > > > + cleanup_fn(*tp, state, error); > > > + xfs_defer_trans_abort(*tp, dop, error); > > > + goto out; > > > + } > > > + } > > > + if (error == -EAGAIN) { > > > + /* > > > + * Log a new intent, relog all the remaining work > > > + * item to the new intent, attach the new intent to > > > + * the dfp, and leave the dfp at the head of the list > > > + * for further processing. > > > + */ > > > > Similar to the above, could you elaborate on the mechanics of this with > > respect to the log? E.g., the comment kind of just repeats what the > > code does as opposed to explain why it's here. Is the point here to log > > a new intent in the same transaction as the done item to ensure that we > > (atomically) indicate that certain operations need to be replayed if > > this transaction hits the log and then we crash? > > Yes. > > "This effectively replaces the old intent item with a new one listing only > the work items that were not completed when ->finish_item() returned -EAGAIN. > After the subsequent transaction roll, we'll resume where we left off with a > fresh transaction." > I'd point out the relevance of doing so in the same transaction, otherwise sounds good. Brian > Thank you for the review! > > --D > > > Brian > > > > > + dfp->dfp_intent = dfp->dfp_type->create_intent(*tp, > > > + dfp->dfp_count); > > > + list_for_each(li, &dfp->dfp_work) > > > + dfp->dfp_type->log_item(*tp, dfp->dfp_intent, > > > + li); > > > + } else { > > > + /* Done with the dfp, free it. */ > > > + list_del(&dfp->dfp_list); > > > + kmem_free(dfp); > > > + } > > > + > > > + if (cleanup_fn) > > > + cleanup_fn(*tp, state, error); > > > + } > > > + > > > +out: > > > + return error; > > > +} > > > + > > > +/* > > > + * Free up any items left in the list. > > > + */ > > > +void > > > +xfs_defer_cancel( > > > + struct xfs_defer_ops *dop) > > > +{ > > > + struct xfs_defer_pending *dfp; > > > + struct xfs_defer_pending *pli; > > > + struct list_head *pwi; > > > + struct list_head *n; > > > + > > > + /* > > > + * Free the pending items. Caller should already have arranged > > > + * for the intent items to be released. > > > + */ > > > + list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { > > > + list_del(&dfp->dfp_list); > > > + list_for_each_safe(pwi, n, &dfp->dfp_work) { > > > + list_del(pwi); > > > + dfp->dfp_count--; > > > + dfp->dfp_type->cancel_item(pwi); > > > + } > > > + ASSERT(dfp->dfp_count == 0); > > > + kmem_free(dfp); > > > + } > > > + list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { > > > + list_del(&dfp->dfp_list); > > > + list_for_each_safe(pwi, n, &dfp->dfp_work) { > > > + list_del(pwi); > > > + dfp->dfp_count--; > > > + dfp->dfp_type->cancel_item(pwi); > > > + } > > > + ASSERT(dfp->dfp_count == 0); > > > + kmem_free(dfp); > > > + } > > > +} > > > + > > > +/* Add an item for later deferred processing. */ > > > +void > > > +xfs_defer_add( > > > + struct xfs_defer_ops *dop, > > > + enum xfs_defer_ops_type type, > > > + struct list_head *li) > > > +{ > > > + struct xfs_defer_pending *dfp = NULL; > > > + > > > + /* > > > + * Add the item to a pending item at the end of the intake list. > > > + * If the last pending item has the same type, reuse it. Else, > > > + * create a new pending item at the end of the intake list. > > > + */ > > > + if (!list_empty(&dop->dop_intake)) { > > > + dfp = list_last_entry(&dop->dop_intake, > > > + struct xfs_defer_pending, dfp_list); > > > + if (dfp->dfp_type->type != type || > > > + (dfp->dfp_type->max_items && > > > + dfp->dfp_count >= dfp->dfp_type->max_items)) > > > + dfp = NULL; > > > + } > > > + if (!dfp) { > > > + dfp = kmem_alloc(sizeof(struct xfs_defer_pending), > > > + KM_SLEEP | KM_NOFS); > > > + dfp->dfp_type = defer_op_types[type]; > > > + dfp->dfp_committed = false; > > > + dfp->dfp_intent = NULL; > > > + dfp->dfp_count = 0; > > > + INIT_LIST_HEAD(&dfp->dfp_work); > > > + list_add_tail(&dfp->dfp_list, &dop->dop_intake); > > > + } > > > + > > > + list_add_tail(li, &dfp->dfp_work); > > > + dfp->dfp_count++; > > > +} > > > + > > > +/* Initialize a deferred operation list. */ > > > +void > > > +xfs_defer_init_op_type( > > > + const struct xfs_defer_op_type *type) > > > +{ > > > + defer_op_types[type->type] = type; > > > +} > > > + > > > +/* Initialize a deferred operation. */ > > > +void > > > +xfs_defer_init( > > > + struct xfs_defer_ops *dop, > > > + xfs_fsblock_t *fbp) > > > +{ > > > + dop->dop_committed = false; > > > + dop->dop_low = false; > > > + memset(&dop->dop_inodes, 0, sizeof(dop->dop_inodes)); > > > + *fbp = NULLFSBLOCK; > > > + INIT_LIST_HEAD(&dop->dop_intake); > > > + INIT_LIST_HEAD(&dop->dop_pending); > > > +} > > > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > > > new file mode 100644 > > > index 0000000..85c7a3a > > > --- /dev/null > > > +++ b/fs/xfs/libxfs/xfs_defer.h > > > @@ -0,0 +1,96 @@ > > > +/* > > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > > + * > > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > > + * > > > + * This program is free software; you can redistribute it and/or > > > + * modify it under the terms of the GNU General Public License > > > + * as published by the Free Software Foundation; either version 2 > > > + * of the License, or (at your option) any later version. > > > + * > > > + * This program is distributed in the hope that it would be useful, > > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > > + * GNU General Public License for more details. > > > + * > > > + * You should have received a copy of the GNU General Public License > > > + * along with this program; if not, write the Free Software Foundation, > > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > > + */ > > > +#ifndef __XFS_DEFER_H__ > > > +#define __XFS_DEFER_H__ > > > + > > > +struct xfs_defer_op_type; > > > + > > > +/* > > > + * Save a log intent item and a list of extents, so that we can replay > > > + * whatever action had to happen to the extent list and file the log done > > > + * item. > > > + */ > > > +struct xfs_defer_pending { > > > + const struct xfs_defer_op_type *dfp_type; /* function pointers */ > > > + struct list_head dfp_list; /* pending items */ > > > + bool dfp_committed; /* committed trans? */ > > > + void *dfp_intent; /* log intent item */ > > > + struct list_head dfp_work; /* work items */ > > > + unsigned int dfp_count; /* # extent items */ > > > +}; > > > + > > > +/* > > > + * Header for deferred operation list. > > > + * > > > + * dop_low is used by the allocator to activate the lowspace algorithm - > > > + * when free space is running low the extent allocator may choose to > > > + * allocate an extent from an AG without leaving sufficient space for > > > + * a btree split when inserting the new extent. In this case the allocator > > > + * will enable the lowspace algorithm which is supposed to allow further > > > + * allocations (such as btree splits and newroots) to allocate from > > > + * sequential AGs. In order to avoid locking AGs out of order the lowspace > > > + * algorithm will start searching for free space from AG 0. If the correct > > > + * transaction reservations have been made then this algorithm will eventually > > > + * find all the space it needs. > > > + */ > > > +enum xfs_defer_ops_type { > > > + XFS_DEFER_OPS_TYPE_MAX, > > > +}; > > > + > > > +#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */ > > > + > > > +struct xfs_defer_ops { > > > + bool dop_committed; /* did any trans commit? */ > > > + bool dop_low; /* alloc in low mode */ > > > + struct list_head dop_intake; /* unlogged pending work */ > > > + struct list_head dop_pending; /* logged pending work */ > > > + > > > + /* relog these inodes with each roll */ > > > + struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES]; > > > +}; > > > + > > > +void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type, > > > + struct list_head *h); > > > +int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop, > > > + struct xfs_inode *ip); > > > +void xfs_defer_cancel(struct xfs_defer_ops *dop); > > > +void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp); > > > +bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop); > > > +int xfs_defer_join(struct xfs_defer_ops *dop, struct xfs_inode *ip); > > > + > > > +/* Description of a deferred type. */ > > > +struct xfs_defer_op_type { > > > + enum xfs_defer_ops_type type; > > > + unsigned int max_items; > > > + void (*abort_intent)(void *); > > > + void *(*create_done)(struct xfs_trans *, void *, unsigned int); > > > + int (*finish_item)(struct xfs_trans *, struct xfs_defer_ops *, > > > + struct list_head *, void *, void **); > > > + void (*finish_cleanup)(struct xfs_trans *, void *, int); > > > + void (*cancel_item)(struct list_head *); > > > + int (*diff_items)(void *, struct list_head *, struct list_head *); > > > + void *(*create_intent)(struct xfs_trans *, uint); > > > + void (*log_item)(struct xfs_trans *, void *, struct list_head *); > > > +}; > > > + > > > +void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); > > > +void xfs_defer_init_types(void); > > > + > > > +#endif /* __XFS_DEFER_H__ */ > > > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > > > new file mode 100644 > > > index 0000000..849088d > > > --- /dev/null > > > +++ b/fs/xfs/xfs_defer_item.c > > > @@ -0,0 +1,36 @@ > > > +/* > > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > > + * > > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > > + * > > > + * This program is free software; you can redistribute it and/or > > > + * modify it under the terms of the GNU General Public License > > > + * as published by the Free Software Foundation; either version 2 > > > + * of the License, or (at your option) any later version. > > > + * > > > + * This program is distributed in the hope that it would be useful, > > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > > + * GNU General Public License for more details. > > > + * > > > + * You should have received a copy of the GNU General Public License > > > + * along with this program; if not, write the Free Software Foundation, > > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > > + */ > > > +#include "xfs.h" > > > +#include "xfs_fs.h" > > > +#include "xfs_shared.h" > > > +#include "xfs_format.h" > > > +#include "xfs_log_format.h" > > > +#include "xfs_trans_resv.h" > > > +#include "xfs_bit.h" > > > +#include "xfs_sb.h" > > > +#include "xfs_mount.h" > > > +#include "xfs_defer.h" > > > +#include "xfs_trans.h" > > > + > > > +/* Initialize the deferred operation types. */ > > > +void > > > +xfs_defer_init_types(void) > > > +{ > > > +} > > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > > > index 09722a7..bf63f6d 100644 > > > --- a/fs/xfs/xfs_super.c > > > +++ b/fs/xfs/xfs_super.c > > > @@ -46,6 +46,7 @@ > > > #include "xfs_quota.h" > > > #include "xfs_sysfs.h" > > > #include "xfs_ondisk.h" > > > +#include "xfs_defer.h" > > > > > > #include <linux/namei.h> > > > #include <linux/init.h> > > > @@ -1850,6 +1851,7 @@ init_xfs_fs(void) > > > printk(KERN_INFO XFS_VERSION_STRING " with " > > > XFS_BUILD_OPTIONS " enabled\n"); > > > > > > + xfs_defer_init_types(); > > > xfs_dir_startup(); > > > > > > error = xfs_init_zones(); > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Tue Jun 28 07:32:42 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 521C17CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 07:32:42 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 24A058F8035 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:32:42 -0700 (PDT) X-ASG-Debug-ID: 1467117160-04cb6c063d22e230001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id qebSWrxlPHHNm2N7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 05:32:40 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4FD50C0799AD; Tue, 28 Jun 2016 12:32:40 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5SCWd41000912; Tue, 28 Jun 2016 08:32:40 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 8456B1200E8; Tue, 28 Jun 2016 08:32:39 -0400 (EDT) Date: Tue, 28 Jun 2016 08:32:39 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free Message-ID: <20160628123238.GE4212@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612638717.12839.11007379793448761871.stgit@birch.djwong.org> <20160627131508.GC23076@bfoster.bfoster> <20160627214145.GC4921@birch.djwong.org> <20160627220003.GA4917@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20160627220003.GA4917@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 28 Jun 2016 12:32:40 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467117160 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7487 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Mon, Jun 27, 2016 at 03:00:03PM -0700, Darrick J. Wong wrote: > On Mon, Jun 27, 2016 at 02:41:45PM -0700, Darrick J. Wong wrote: > > On Mon, Jun 27, 2016 at 09:15:08AM -0400, Brian Foster wrote: > > > On Thu, Jun 16, 2016 at 06:19:47PM -0700, Darrick J. Wong wrote: > > > > Connect the xfs_defer mechanism with the pieces that we'll need to > > > > handle deferred extent freeing. We'll wire up the existing code to > > > > our new deferred mechanism later. > > > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > > --- > > > > > > Could we merge this with the xfs_trans_*efi/efd* bits? We'd need to > > > preserve some calls for recovery, but it looks like other parts are only > > > used by the deferred ops infrastructure at this point. > > > > Yes, we could replace xfs_bmap_free_create_{intent,done} with > > xfs_trans_get_ef[id] and lose the silly functions. I'll go take > > care of all of them. > > Hah, gcc complains about the mismatch in pointer types for the second > argument. > > fs/xfs/xfs_defer_item.c:504:17: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] > .create_done = xfs_trans_get_bud, > ^ > fs/xfs/xfs_defer_item.c:504:17: note: (near initialization for ‘xfs_bmap_update_defer_type.create_done’) > > I guess one could put in an ugly cast to coerce the types at a cost of > uglifying the code. <shrug> Opinions? > Not sure what you mean here... I should be more clear. What I was thinking is to nuke xfs_defer_item.c, define the 'const struct xfs_defer_op_type xfs_extent_free_defer_type' right in xfs_trans_extfree.c (perhaps rename the file) and wire up the functions appropriately. Just change the function signatures if you need to. For something like xfs_trans_get_efd(), maybe refactor the guts into a static helper that both the defer callback and xfs_trans_get_efd() can use, since we need the latter for log recovery. Will something like that work? To put it simply, it looks like we have at least a few places where defer item has a callback that calls yet another interface, but is the only caller of the latter (e.g., xfs_bmap_free_create_intent()->xfs_trans_get_efi()). Brian > --D > > > > > --D > > > > > > > > Brian > > > > > > > fs/xfs/libxfs/xfs_defer.h | 1 > > > > fs/xfs/xfs_defer_item.c | 108 +++++++++++++++++++++++++++++++++++++++++++++ > > > > 2 files changed, 109 insertions(+) > > > > > > > > > > > > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > > > > index 85c7a3a..743fc32 100644 > > > > --- a/fs/xfs/libxfs/xfs_defer.h > > > > +++ b/fs/xfs/libxfs/xfs_defer.h > > > > @@ -51,6 +51,7 @@ struct xfs_defer_pending { > > > > * find all the space it needs. > > > > */ > > > > enum xfs_defer_ops_type { > > > > + XFS_DEFER_OPS_TYPE_FREE, > > > > XFS_DEFER_OPS_TYPE_MAX, > > > > }; > > > > > > > > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > > > > index 4c2ba28..127a54e 100644 > > > > --- a/fs/xfs/xfs_defer_item.c > > > > +++ b/fs/xfs/xfs_defer_item.c > > > > @@ -29,9 +29,117 @@ > > > > #include "xfs_defer.h" > > > > #include "xfs_trans.h" > > > > #include "xfs_trace.h" > > > > +#include "xfs_bmap.h" > > > > +#include "xfs_extfree_item.h" > > > > + > > > > +/* Extent Freeing */ > > > > + > > > > +/* Sort bmap items by AG. */ > > > > +static int > > > > +xfs_bmap_free_diff_items( > > > > + void *priv, > > > > + struct list_head *a, > > > > + struct list_head *b) > > > > +{ > > > > + struct xfs_mount *mp = priv; > > > > + struct xfs_bmap_free_item *ra; > > > > + struct xfs_bmap_free_item *rb; > > > > + > > > > + ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); > > > > + rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); > > > > + return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - > > > > + XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); > > > > +} > > > > + > > > > +/* Get an EFI. */ > > > > +STATIC void * > > > > +xfs_bmap_free_create_intent( > > > > + struct xfs_trans *tp, > > > > + unsigned int count) > > > > +{ > > > > + return xfs_trans_get_efi(tp, count); > > > > +} > > > > + > > > > +/* Log a free extent to the intent item. */ > > > > +STATIC void > > > > +xfs_bmap_free_log_item( > > > > + struct xfs_trans *tp, > > > > + void *intent, > > > > + struct list_head *item) > > > > +{ > > > > + struct xfs_bmap_free_item *free; > > > > + > > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > > + xfs_trans_log_efi_extent(tp, intent, free->xbfi_startblock, > > > > + free->xbfi_blockcount); > > > > +} > > > > + > > > > +/* Get an EFD so we can process all the free extents. */ > > > > +STATIC void * > > > > +xfs_bmap_free_create_done( > > > > + struct xfs_trans *tp, > > > > + void *intent, > > > > + unsigned int count) > > > > +{ > > > > + return xfs_trans_get_efd(tp, intent, count); > > > > +} > > > > + > > > > +/* Process a free extent. */ > > > > +STATIC int > > > > +xfs_bmap_free_finish_item( > > > > + struct xfs_trans *tp, > > > > + struct xfs_defer_ops *dop, > > > > + struct list_head *item, > > > > + void *done_item, > > > > + void **state) > > > > +{ > > > > + struct xfs_bmap_free_item *free; > > > > + int error; > > > > + > > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > > + error = xfs_trans_free_extent(tp, done_item, > > > > + free->xbfi_startblock, > > > > + free->xbfi_blockcount); > > > > + kmem_free(free); > > > > + return error; > > > > +} > > > > + > > > > +/* Abort all pending EFIs. */ > > > > +STATIC void > > > > +xfs_bmap_free_abort_intent( > > > > + void *intent) > > > > +{ > > > > + xfs_efi_release(intent); > > > > +} > > > > + > > > > +/* Cancel a free extent. */ > > > > +STATIC void > > > > +xfs_bmap_free_cancel_item( > > > > + struct list_head *item) > > > > +{ > > > > + struct xfs_bmap_free_item *free; > > > > + > > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > > + kmem_free(free); > > > > +} > > > > + > > > > +const struct xfs_defer_op_type xfs_extent_free_defer_type = { > > > > + .type = XFS_DEFER_OPS_TYPE_FREE, > > > > + .max_items = XFS_EFI_MAX_FAST_EXTENTS, > > > > + .diff_items = xfs_bmap_free_diff_items, > > > > + .create_intent = xfs_bmap_free_create_intent, > > > > + .abort_intent = xfs_bmap_free_abort_intent, > > > > + .log_item = xfs_bmap_free_log_item, > > > > + .create_done = xfs_bmap_free_create_done, > > > > + .finish_item = xfs_bmap_free_finish_item, > > > > + .cancel_item = xfs_bmap_free_cancel_item, > > > > +}; > > > > + > > > > +/* Deferred Item Initialization */ > > > > > > > > /* Initialize the deferred operation types. */ > > > > void > > > > xfs_defer_init_types(void) > > > > { > > > > + xfs_defer_init_op_type(&xfs_extent_free_defer_type); > > > > } > > > > > > > > _______________________________________________ > > > > xfs mailing list > > > > xfs@oss.sgi.com > > > > http://oss.sgi.com/mailman/listinfo/xfs > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From hch@lst.de Tue Jun 28 08:11:08 2016 Return-Path: <hch@lst.de> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 348927CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:11:08 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id E73A2304032 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:11:04 -0700 (PDT) X-ASG-Debug-ID: 1467119460-04bdf074b4188010001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id 26jRHzfNwsjJ0bu0 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:11:02 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id 10DBA68D89; Tue, 28 Jun 2016 15:11:00 +0200 (CEST) Date: Tue, 28 Jun 2016 15:10:59 +0200 From: Christoph Hellwig <hch@lst.de> To: Dave Chinner <david@fromorbit.com> Cc: Christoph Hellwig <hch@lst.de>, xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-ID: <20160628131059.GA30475@lst.de> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <20160624072612.GA22205@lst.de> <20160624230045.GG12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160624230045.GG12670@dastard> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1467119461 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1960 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30830 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Sat, Jun 25, 2016 at 09:00:45AM +1000, Dave Chinner wrote: > > > > Sorry, but this is simply broken - allowing apps to opt-in behavior > > (e.g. like we're using O_DIRECT) is always fine. Requriring > > filesystem-specific tuning that has affect outside the app to get > > existing documented behavior is not how to design APIs. > > Using DAX is an *admin decision*, not an application decision. Of course - that's exactly my point. > Indeed, it's a mount option right now, and that's most definitely not > something the application can turn on or off! Inode flags allow the > admin to decide that two apps working on the same filesystem can use > (or not use) DAX independently, rather than needing to put them on > different filesystems. Right. And an existing application can get DAX turned on under its back, and will now suddently get different synchronization behavior. That is if it's writes happen to be aligned to the fs block size. > > Maybe we'll need to opt-in to use DAX for mmap, but giving the same > > existing behavior for read and write and avoiding a copy to the pagecache > > is an obvious win. > > You can't use DAX just for mmap. It's an inode scope behaviour - > once it's turned on, all accesses to that inode - regardless of user > interface - must use DAX. It's all or nothing, not a per file > descript/mmap context option. Right now it is. But when discussing mmap behavior one option was to require an opt-in to get DAX-specific mmap semantics. For plain read/write we have no such option and thus absolutely need to behave as all normal reads and writes behave. If you think the exclusive lock for writes hurts we have two options: a) implement range locks (although they might be more expensive for typical loads) b) add a new O_* or RWF_* option to not require the synchronization for apps that don't want it. Neither of those cases really is DAX-specific. From boaz@plexistor.com Tue Jun 28 08:27:12 2016 Return-Path: <boaz@plexistor.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 980D17CA4 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:27:12 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 65BEA304032 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:27:12 -0700 (PDT) X-ASG-Debug-ID: 1467120426-04cb6c063f230c80001-NocioJ Received: from mail-wm0-f43.google.com (mail-wm0-f43.google.com [74.125.82.43]) by cuda.sgi.com with ESMTP id pyCiPv7nv0LrU3L8 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:27:07 -0700 (PDT) X-Barracuda-Envelope-From: boaz@plexistor.com X-Barracuda-Effective-Source-IP: mail-wm0-f43.google.com[74.125.82.43] X-Barracuda-Apparent-Source-IP: 74.125.82.43 Received: by mail-wm0-f43.google.com with SMTP id a66so27864657wme.0 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:27:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=plexistor-com.20150623.gappssmtp.com; s=20150623; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-transfer-encoding; bh=FQ2N2UdRcGMtHqiac6zr2Fu4X6oSbftcBCBzJqh301k=; b=yKgO1sPRYup3cvQ85BAALDKM4YAdNNOcnNTlY1peXbli4Mk/D/y42Wk7UFUTK7/Hud drWQ2rddfnWozEaqOIZgxJEE6ayHqP/ZK4a3/Zt7sJhFx8xAtsH1ePDMwhIbIJMuKJ7B ByOGsn3BCgk3KE6SgpfT2DCw1DtsqDltAYHiZIXWIrliSVgBtuJl/7zi4PYChRtaajXp zpCpTZR3qAoHlmpLI6wPDkudncDkNOWetT92kflCxykh9vIoSAmMpXqpe54SN0cCylxB hhrmC1Gwk+zCV44pI6mzxIwhBdUBcLSrfayyBMW6JxsHZYsIHUZC/RGBlwYIKVCHlBGg VOlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-transfer-encoding; bh=FQ2N2UdRcGMtHqiac6zr2Fu4X6oSbftcBCBzJqh301k=; b=jJ4fKC/h0Ll0KRgdZbL6s2UXeBp64kzh5Z0Bzo6Rp94h8TOSyKxt8klrfodr1OnCTC SJu8zXfxLF764GoojQaFYrPN6ehl8oAq9iGg5/strmOSl3WOUhGYe5SNKAsX+bIKXyEY OpB7szGa9vBHDe5cAIQZ2PoB6awbuii+abqdbKVT5UXBgQPG7qkkL3AKSAW+ZFc6H3td JsAXejpQWFlg0s3IqTEqlCYp0oc9GYlwLFbC6QRI5zS5bQMC1wWqFqgocuvDvAbflGjG FW2YW0O2HmIK6Or29Z2ZpnGSSWqBsNz74xbcLJSMrj2f3i/2dkTZGHuDEVof0bdwTF/I 1uZQ== X-Gm-Message-State: ALyK8tJ+gy5Hc8e9CXJKimuytw6WaH6ci17qNANhgUrzt3ZafDtxyiCoNxtkhIXacKhPNg== X-Received: by 10.194.25.135 with SMTP id c7mr3059259wjg.63.1467120426316; Tue, 28 Jun 2016 06:27:06 -0700 (PDT) Received: from [10.0.0.5] ([207.232.55.62]) by smtp.googlemail.com with ESMTPSA id c142sm9117369wme.18.2016.06.28.06.27.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Jun 2016 06:27:05 -0700 (PDT) Message-ID: <57727B27.7060104@plexistor.com> Date: Tue, 28 Jun 2016 16:27:03 +0300 From: Boaz Harrosh <boaz@plexistor.com> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Christoph Hellwig <hch@lst.de>, Dave Chinner <david@fromorbit.com> CC: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <20160624072612.GA22205@lst.de> <20160624230045.GG12670@dastard> <20160628131059.GA30475@lst.de> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking In-Reply-To: <20160628131059.GA30475@lst.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-wm0-f43.google.com[74.125.82.43] X-Barracuda-Start-Time: 1467120427 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 451 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30830 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On 06/28/2016 04:10 PM, Christoph Hellwig wrote: > On Sat, Jun 25, 2016 at 09:00:45AM +1000, Dave Chinner wrote: <> > > Right. And an existing application can get DAX turned on under its > back, and will now suddently get different synchronization behavior. > That is if it's writes happen to be aligned to the fs block size. > Is there an actual application that does that? or is this purely theoretical right now? Thanks Boaz From hch@lst.de Tue Jun 28 08:28:44 2016 Return-Path: <hch@lst.de> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 009B87CA4 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:28:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 6EA33AC003 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:28:43 -0700 (PDT) X-ASG-Debug-ID: 1467120520-04cb6c063d230d90001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id VxFRGjeYP9gZsFV4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:28:41 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id AC35868D8B; Tue, 28 Jun 2016 15:28:39 +0200 (CEST) Date: Tue, 28 Jun 2016 15:28:39 +0200 From: Christoph Hellwig <hch@lst.de> To: Dave Chinner <david@fromorbit.com> Cc: Christoph Hellwig <hch@lst.de>, xfs@oss.sgi.com, rpeterso@redhat.com, linux-fsdevel@vger.kernel.org Subject: Re: iomap infrastructure and multipage writes V5 Message-ID: <20160628132839.GA30892@lst.de> X-ASG-Orig-Subj: Re: iomap infrastructure and multipage writes V5 References: <1464792297-13185-1-git-send-email-hch@lst.de> <20160628002649.GI12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160628002649.GI12670@dastard> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1467120521 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 526 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30830 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 28, 2016 at 10:26:49AM +1000, Dave Chinner wrote: > Christoph, it look slike there's an ENOSPC+ENOMEM behavioural regression here. > generic/224 on my 1p/1GB RAM VM using a 1k lock size filesystem has > significantly different behaviour once ENOSPC is hit withi this patchset. Works fine on my 1k test setup with 4 CPUs and 2GB RAM. 1 CPU and 1GB RAM runs into the OOM killer, although I haven't checked if that was the case with the old code as well. I'll look into this more later today or tomorrow. From hch@lst.de Tue Jun 28 08:38:17 2016 Return-Path: <hch@lst.de> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 673367CA4 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:38:17 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2E9568F8033 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:38:14 -0700 (PDT) X-ASG-Debug-ID: 1467121091-04cb6c063e2315d0001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id tAA41R66bOjxqnN8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:38:12 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id 1917168C3F; Tue, 28 Jun 2016 15:38:11 +0200 (CEST) Date: Tue, 28 Jun 2016 15:38:11 +0200 From: Christoph Hellwig <hch@lst.de> To: Dave Chinner <david@fromorbit.com> Cc: Christoph Hellwig <hch@lst.de>, xfs@oss.sgi.com, rpeterso@redhat.com, linux-fsdevel@vger.kernel.org Subject: Re: iomap infrastructure and multipage writes V5 Message-ID: <20160628133811.GA31283@lst.de> X-ASG-Orig-Subj: Re: iomap infrastructure and multipage writes V5 References: <1464792297-13185-1-git-send-email-hch@lst.de> <20160628002649.GI12670@dastard> <20160628132839.GA30892@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160628132839.GA30892@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1467121092 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 566 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30830 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 28, 2016 at 03:28:39PM +0200, Christoph Hellwig wrote: > > generic/224 on my 1p/1GB RAM VM using a 1k lock size filesystem has > > significantly different behaviour once ENOSPC is hit withi this patchset. > > Works fine on my 1k test setup with 4 CPUs and 2GB RAM. 1 CPU and 1GB > RAM runs into the OOM killer, although I haven't checked if that was > the case with the old code as well. I'll look into this more later > today or tomorrow. It was doing fine before my changes - I'm going to investigate what caused the change in behavior. From hch@lst.de Tue Jun 28 08:39:32 2016 Return-Path: <hch@lst.de> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EE5887CA4 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:39:32 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id ADFFD8F8033 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:39:32 -0700 (PDT) X-ASG-Debug-ID: 1467121169-04bdf074b7189b10001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id fq8EJO6hcXy41eMp (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:39:30 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id A997D68C3F; Tue, 28 Jun 2016 15:39:28 +0200 (CEST) Date: Tue, 28 Jun 2016 15:39:28 +0200 From: Christoph Hellwig <hch@lst.de> To: Boaz Harrosh <boaz@plexistor.com> Cc: Christoph Hellwig <hch@lst.de>, Dave Chinner <david@fromorbit.com>, xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-ID: <20160628133928.GB31283@lst.de> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <20160624072612.GA22205@lst.de> <20160624230045.GG12670@dastard> <20160628131059.GA30475@lst.de> <57727B27.7060104@plexistor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <57727B27.7060104@plexistor.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1467121169 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 795 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30831 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 28, 2016 at 04:27:03PM +0300, Boaz Harrosh wrote: > > Right. And an existing application can get DAX turned on under its > > back, and will now suddently get different synchronization behavior. > > That is if it's writes happen to be aligned to the fs block size. > > > > Is there an actual application that does that? or is this purely > theoretical right now? Lots of them. The typical case is multithreaded (or preforked like old apache) daemons that use O_APPEND to write to a common log file. Then again those log records will usually not be 4k aligned, so they'd still accidentally get the exclusive locking even without this patch. But beware the case where a log record actually matches the alignment.. > > > Thanks > Boaz ---end quoted text--- From boaz@plexistor.com Tue Jun 28 08:56:37 2016 Return-Path: <boaz@plexistor.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 8A8ED7CA4 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:56:37 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 0C651AC003 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:56:36 -0700 (PDT) X-ASG-Debug-ID: 1467122193-04bdf074b718b740001-NocioJ Received: from mail-wm0-f43.google.com (mail-wm0-f43.google.com [74.125.82.43]) by cuda.sgi.com with ESMTP id 1F3vvhW58WC3AjCA (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:56:34 -0700 (PDT) X-Barracuda-Envelope-From: boaz@plexistor.com X-Barracuda-Effective-Source-IP: mail-wm0-f43.google.com[74.125.82.43] X-Barracuda-Apparent-Source-IP: 74.125.82.43 Received: by mail-wm0-f43.google.com with SMTP id v199so141049471wmv.0 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 06:56:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=plexistor-com.20150623.gappssmtp.com; s=20150623; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-transfer-encoding; bh=BziU09rUwOPmvG/puVw8AGNvl/d0bNxPKp+hfzBB8mk=; b=FCZqDex8wFv7RMyIGd0iRnU2XtEnX9jUEj/eqss2hhph/E1aFJGobC+3MF6VvUuVOY 1SKo2ViMZ3J772UaFb8oKsI6UROTuEKgcJlW3jy/C5l+B12OdQfYszTG5ZKtZuCFw8lW Yo0am7fY9L9GbMSNaL0y4JfifFqFUk+tGxnYr+81BoWuY+NnM3eRBIJG0u7/IWmHI966 AYB/+n09mti9z+FwFf3bk+XG3BX1D9MiBJ/DIfAvn+VvfVp7KLFtvgC1UYF1DDRS7krn T+YrYk01rgpItbcvax/5Kh3nd59sRb/5KmYT3E0j4UftcB2o4MpOR8QHciL2pfk8FQz4 lSoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Christoph Hellwig <hch@lst.de> CC: Dave Chinner <david@fromorbit.com>, xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <20160624072612.GA22205@lst.de> <20160624230045.GG12670@dastard> <20160628131059.GA30475@lst.de> <57727B27.7060104@plexistor.com> <20160628133928.GB31283@lst.de> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking In-Reply-To: <20160628133928.GB31283@lst.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail-wm0-f43.google.com[74.125.82.43] X-Barracuda-Start-Time: 1467122194 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1838 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30831 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature On 06/28/2016 04:39 PM, Christoph Hellwig wrote: > On Tue, Jun 28, 2016 at 04:27:03PM +0300, Boaz Harrosh wrote: >>> Right. And an existing application can get DAX turned on under its >>> back, and will now suddently get different synchronization behavior. >>> That is if it's writes happen to be aligned to the fs block size. >>> >> >> Is there an actual application that does that? or is this purely >> theoretical right now? > > Lots of them. The typical case is multithreaded (or preforked like old > apache) daemons that use O_APPEND to write to a common log file. Then > again those log records will usually not be 4k aligned, so they'd still > accidentally get the exclusive locking even without this patch. But > beware the case where a log record actually matches the alignment.. > But O_APPEND is exclusion problem of i_size update not of the actual memcpy done in parallel or not. Actually with O_APPEND each write request should write a different region of the file, there are no overlapping writes. And no issue of which version of the write came last and got its data written. If it is the issue of isize update vs O_APPEND is a different issue don't you think? One way that we solved it is to update isize = isize + len; atomically before starting the IO, then on the error case sub the unwritten bytes. And still allow concurrent writers. I agree that isize updates needs to be atomic, but why does the memcpy? And BTW in NFS O_APPEND concurrent readers to a writer may see ZEROs in the interim. I still don't see how an application can use the fact that two writers will not give them mixed records. And surly it does not work on a shared FS. So I was really wondering if you know of any such app Thanks Boaz >> >> >> Thanks >> Boaz > ---end quoted text--- > From hch@lst.de Tue Jun 28 10:39:32 2016 Return-Path: <hch@lst.de> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id DF75A7CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 10:39:32 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9FC938F8039 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:39:32 -0700 (PDT) X-ASG-Debug-ID: 1467128366-04bdf074b61929b0001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id rDXx8QPA9xEzhrNK (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:39:27 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id 8E22C68C3E; Tue, 28 Jun 2016 17:39:25 +0200 (CEST) Date: Tue, 28 Jun 2016 17:39:25 +0200 From: Christoph Hellwig <hch@lst.de> To: Boaz Harrosh <boaz@plexistor.com> Cc: Christoph Hellwig <hch@lst.de>, Dave Chinner <david@fromorbit.com>, xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Message-ID: <20160628153925.GA2643@lst.de> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <20160624072612.GA22205@lst.de> <20160624230045.GG12670@dastard> <20160628131059.GA30475@lst.de> <57727B27.7060104@plexistor.com> <20160628133928.GB31283@lst.de> <5772820E.2080403@plexistor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5772820E.2080403@plexistor.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1467128366 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1135 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30834 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 28, 2016 at 04:56:30PM +0300, Boaz Harrosh wrote: > Actually with O_APPEND each write request should write a different region > of the file, there are no overlapping writes. And no issue of which version of the > write came last and got its data written. You have one fd for multiple threads or processes (it doesn't matter if you're using O_APPEND or not), and all of them write to it. i_size is only updated once the write finishes, so having multiple concurrent writes will mean multiple records go into the same regions. Now to be fair in current XFS writes beyond i_size will always take the lock exclusively, so for this case we will not get concurrent writes and thus data corruption anyway. But if you have a cycling log that gets overwritten (say a database journal) we're back to square one. > I still don't see how an application can use the fact that two writers > will not give them mixed records. And surly it does not work on a shared > FS. So I was really wondering if you know of any such app If it doesn't work for two threads using the same fd on a shared fs the fs is broken. From sandeen@sandeen.net Tue Jun 28 10:40:36 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5401A7CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 10:40:36 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 269F08F8040 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:40:35 -0700 (PDT) X-ASG-Debug-ID: 1467128432-04cbb027382fdb70001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 5jGLkNHAf9GyZ2o5 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 08:40:32 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 679E62A9D for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 10:40:32 -0500 (CDT) Subject: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice References: <13dd3974-956d-c3af-86ed-f6ce5cc1b996@redhat.com> <20160627094855.GC29774@redhat.com> <5c408cf1-e9fa-8bee-106e-93e553fc98a7@sandeen.net> <20160628085726.GA4397@redhat.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <c72e1f9a-0f83-aa2b-48f1-bc6deccc6315@sandeen.net> Date: Tue, 28 Jun 2016 10:40:31 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160628085726.GA4397@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1467128432 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4180 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30833 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/28/16 3:57 AM, Carlos Maiolino wrote: > On Mon, Jun 27, 2016 at 10:34:39AM -0500, Eric Sandeen wrote: >> >> >> On 6/27/16 4:48 AM, Carlos Maiolino wrote: >>> On Fri, Jun 24, 2016 at 04:24:58PM -0500, Eric Sandeen wrote: >>>> kernel commit 5ef828c4 >>>> xfs: avoid false quotacheck after unclean shutdown >>>> >>>> made xfs_sb_from_disk() also call xfs_sb_quota_from_disk >>>> by default. >>>> >>>> However, when this was merged to libxfs, existing separate >>>> calls to libxfs_sb_quota_from_disk remained, and calling it >>>> twice in a row on a V4 superblock leads to issues, because: >>>> >>>> >>>> if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { >>>> ... >>>> sbp->sb_pquotino = sbp->sb_gquotino; >>>> sbp->sb_gquotino = NULLFSINO; >>>> >>>> and after the second call, we have set both pquotino and gquotino >>>> to NULLFSINO. >>>> >>>> Fix this by making it safe to call twice, and also remove the extra >>>> calls to libxfs_sb_quota_from_disk. >>>> >>>> This is only spotted when running xfstests with "-m crc=0" because >>>> the sb_from_disk change came about after V5 became default, and >>>> the above behavior only exists on a V4 superblock. >>>> >>>> Reported-by: Eryu Guan <eguan@redhat.com> >>>> Signed-off-by: Eric Sandeen <sandeen@redhat.com> >>>> --- >>>> >>>> >>>> diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c >>>> index 45db6ae..44f3e3e 100644 >>>> --- a/libxfs/xfs_sb.c >>>> +++ b/libxfs/xfs_sb.c >>>> @@ -316,13 +316,16 @@ xfs_sb_quota_from_disk(struct xfs_sb *sbp) >>>> XFS_PQUOTA_CHKD : XFS_GQUOTA_CHKD; >>>> sbp->sb_qflags &= ~(XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD); >>>> >>>> - if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { >>>> + if (sbp->sb_qflags & XFS_PQUOTA_ACCT && >>>> + sbp->sb_gquotino != NULLFSINO) { >>> >>> Although I agree with this check, shouldn't we report some sort of error when it >>> happens? Once, it's not supposed to happen, and, might be a sign of corruption? >> >> I dunno, it would also happen if it gets called twice, which is intentionally >> made harmless by this change. We don't warn on free(NULL) for example... >> > > Well, I don't 100% agree with not having a warning here, but it doesn't make the > patch less valuable. Thanks Carlos - Maybe I don't understand what you want to warn about. If we get here with: if (sbp->sb_qflags & XFS_PQUOTA_ACCT && sbp->sb_gquotino != NULLFSINO) { that means we have an on-disk super without the pquotino field, the XFS_PQUOTA_ACCT flag is set, and so the gquotino field was used for the project quota; this is valid, and there is nothing to warn about in this case. If we get here with: if (sbp->sb_qflags & XFS_PQUOTA_ACCT && sbp->sb_gquotino == NULLFSINO) { that means we have an on-disk super without the pquotino field, the XFS_PQUOTA_ACCT flag is set, and the gquotino was not set to a valid value. This could happen either from a bad on-disk value, or it could mean that we called the function twice in a row. Without maintaining more state, we can't know which, and warning the user about a programming error wouldn't be helpful. Actually, repair already handles this case elsewhere: quota_sb_check(xfs_mount_t *mp) { /* * if the sb says we have quotas and we lost both, * signal a superblock downgrade. that will cause * the quota flags to get zeroed. (if we only lost * one quota inode, do nothing and complain later.) * * if the sb says we have quotas but we didn't start out * with any quota inodes, signal a superblock downgrade. In the case where quota flags are on but all quota inodes are zero, it silently clears the quota flags. Whether or not that should be silent I'm not sure, but I think that is separate from this patch. Thanks, -Eric > Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> > >> I don't think it needs a warning. >> >> -Eric >> >> >> _______________________________________________ >> xfs mailing list >> xfs@oss.sgi.com >> http://oss.sgi.com/mailman/listinfo/xfs > From darrick.wong@oracle.com Tue Jun 28 11:30:04 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0EE647CA4 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 11:30:04 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id A904D8F8039 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 09:30:00 -0700 (PDT) X-ASG-Debug-ID: 1467131395-04bdf074b71970c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id vAeias3JX7PCLeaY (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 09:29:56 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5SGTsGL001470 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 16:29:54 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5SGTrM7017861 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 16:29:54 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5SGTrJI000428; Tue, 28 Jun 2016 16:29:53 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 09:29:52 -0700 Date: Tue, 28 Jun 2016 09:29:51 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 014/119] xfs: introduce interval queries on btrees Message-ID: <20160628162951.GA16181@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 014/119] xfs: introduce interval queries on btrees References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612636170.12839.675596870201079078.stgit@birch.djwong.org> <20160622151800.GC5423@bfoster.bfoster> <20160627210746.GB4921@birch.djwong.org> <20160628123218.GC4212@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160628123218.GC4212@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1467131396 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 17962 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30836 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Tue, Jun 28, 2016 at 08:32:19AM -0400, Brian Foster wrote: > On Mon, Jun 27, 2016 at 02:07:46PM -0700, Darrick J. Wong wrote: > > On Wed, Jun 22, 2016 at 11:18:00AM -0400, Brian Foster wrote: > > > On Thu, Jun 16, 2016 at 06:19:21PM -0700, Darrick J. Wong wrote: > > > > Create a function to enable querying of btree records mapping to a > > > > range of keys. This will be used in subsequent patches to allow > > > > querying the reverse mapping btree to find the extents mapped to a > > > > range of physical blocks, though the generic code can be used for > > > > any range query. > > > > > > > > v2: add some shortcuts so that we can jump out of processing once > > > > we know there won't be any more records to find. > > > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > > --- > > > > fs/xfs/libxfs/xfs_btree.c | 249 +++++++++++++++++++++++++++++++++++++++++++++ > > > > fs/xfs/libxfs/xfs_btree.h | 22 +++- > > > > fs/xfs/xfs_trace.h | 1 > > > > 3 files changed, 267 insertions(+), 5 deletions(-) > > > > > > > > > > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > > > index afcafd6..5f5cf23 100644 > > > > --- a/fs/xfs/libxfs/xfs_btree.c > > > > +++ b/fs/xfs/libxfs/xfs_btree.c > > > > @@ -4509,3 +4509,252 @@ xfs_btree_calc_size( > > > > } > > > > return rval; > > > > } > > > > + > > > > +/* Query a regular btree for all records overlapping a given interval. */ > > > > > > Can you elaborate on the search algorithm used? (More for reference > > > against the overlapped query, as that one is more complex). > > > > Ok. Both query_range functions aim to return all records intersecting the > > given range. > > > > For non-overlapped btrees, we start with a LE lookup of the low key and > > return each record we find a the record with a key greater than the > > high key. > > > > For overlapped btrees, we follow the procedure in the "Interval trees" > > section of _Introduction to Algorithms_, which is 14.3 in the 2nd and > > 3rd editions. The query algorithm is roughly as follows: > > > > For any leaf btree node, generate the low and high keys for the record. > > If there's a range overlap with the query's low and high keys, pass the > > record to the iterator function. > > > > For any internal btree node, compare the low and high keys for each pointer > > against the query's low and high keys. If there's an overlap, follow the > > pointer downwards in the tree. > > > > (I could render the figures in the book as ASCII art if anyone wants.) > > > > Thanks. I meant more to update the comments above each function. :) No > need to go as far as ASCII art I don't think (the external reference > might be good though). I was really just looking for something that says > "this function is supposed to do <whatever>" so somebody reading through > it has a starting point of reference. Ok, I pasted a (somewhat reworded) version of the above in the comments. > > > > > > > +STATIC int > > > > +xfs_btree_simple_query_range( > > > > + struct xfs_btree_cur *cur, > > > > + union xfs_btree_irec *low_rec, > > > > + union xfs_btree_irec *high_rec, > > > > + xfs_btree_query_range_fn fn, > > > > + void *priv) > > > > +{ > > > > + union xfs_btree_rec *recp; > > > > + union xfs_btree_rec rec; > > > > + union xfs_btree_key low_key; > > > > + union xfs_btree_key high_key; > > > > + union xfs_btree_key rec_key; > > > > + __int64_t diff; > > > > + int stat; > > > > + bool firstrec = true; > > > > + int error; > > > > + > > > > + ASSERT(cur->bc_ops->init_high_key_from_rec); > > > > + > > > > + /* Find the keys of both ends of the interval. */ > > > > + cur->bc_rec = *high_rec; > > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > > + cur->bc_ops->init_key_from_rec(&high_key, &rec); > > > > + > > > > + cur->bc_rec = *low_rec; > > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > > + cur->bc_ops->init_key_from_rec(&low_key, &rec); > > > > + > > > > + /* Find the leftmost record. */ > > > > + stat = 0; > > > > + error = xfs_btree_lookup(cur, XFS_LOOKUP_LE, &stat); > > > > + if (error) > > > > + goto out; > > > > + > > > > + while (stat) { > > > > + /* Find the record. */ > > > > + error = xfs_btree_get_rec(cur, &recp, &stat); > > > > + if (error || !stat) > > > > + break; > > > > + > > > > + /* Can we tell if this record is too low? */ > > > > + if (firstrec) { > > > > + cur->bc_rec = *low_rec; > > > > + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); > > > > + diff = cur->bc_ops->key_diff(cur, &rec_key); > > > > + if (diff < 0) > > > > + goto advloop; > > > > + } > > > > + firstrec = false; > > > > > > This could move up into the if block. > > > > Ok. > > > > > > + > > > > + /* Have we gone past the end? */ > > > > + cur->bc_rec = *high_rec; > > > > + cur->bc_ops->init_key_from_rec(&rec_key, recp); > > > > > > I'd move this up to immediately after the xfs_btree_get_rec() call and > > > eliminate the duplicate in the 'if (firstrec)' block above. > > > > Ok. That key ought to be named rec_hkey too. > > > > > > + diff = cur->bc_ops->key_diff(cur, &rec_key); > > > > + if (diff > 0) > > > > + break; > > > > + > > > > + /* Callback */ > > > > + error = fn(cur, recp, priv); > > > > + if (error < 0 || error == XFS_BTREE_QUERY_RANGE_ABORT) > > > > + break; > > > > + > > > > +advloop: > > > > + /* Move on to the next record. */ > > > > + error = xfs_btree_increment(cur, 0, &stat); > > > > + if (error) > > > > + break; > > > > + } > > > > + > > > > +out: > > > > + return error; > > > > +} > > > > + > > > > +/* > > > > + * Query an overlapped interval btree for all records overlapping a given > > > > + * interval. > > > > + */ > > > > > > Same comment here, can you elaborate on the search algorithm? Also, I > > > think an example or generic description of the rules around what records > > > this query returns (e.g., low_rec/high_rec vs. record low/high keys) > > > would be useful, particularly since I, at least, don't have much context > > > on the rmap+reflink scenarios quite yet. > > > > Let's say you have a bunch of (overlapped) rmap records: > > > > 1: +- file A startblock B offset C length D -----------+ > > 2: +- file E startblock F offset G length H --------------+ > > 3: +- file I startblock F offset J length K --+ > > 4: +- file L... --+ > > > > Now say we want to map block (B+D) into file A at offset (C+D). Ideally, we'd > > simply increment the length of record 1. But how do we find that record that > > ends at (B+D-1)? A LE lookup of (B+D-1) would return record 3 because the > > keys are ordered first by startblock. An interval query would return records > > 1 and 2 because they both overlap (B+D-1), and from that we can pick out > > record 1 as the appropriate left neighbor. > > > > Great, thanks.. can you include this content in the comment above the > function as well? Added this to the comments as well, since it documents the only justification for any of this overlapped interval btree stuff. :) --D > > Brian > > > In the non-overlapped case you can do a LE lookup and decrement the cursor > > because a record's interval must end before the next record. > > > > > > +STATIC int > > > > +xfs_btree_overlapped_query_range( > > > > + struct xfs_btree_cur *cur, > > > > + union xfs_btree_irec *low_rec, > > > > + union xfs_btree_irec *high_rec, > > > > + xfs_btree_query_range_fn fn, > > > > + void *priv) > > > > +{ > > > > + union xfs_btree_ptr ptr; > > > > + union xfs_btree_ptr *pp; > > > > + union xfs_btree_key rec_key; > > > > + union xfs_btree_key low_key; > > > > + union xfs_btree_key high_key; > > > > + union xfs_btree_key *lkp; > > > > + union xfs_btree_key *hkp; > > > > + union xfs_btree_rec rec; > > > > + union xfs_btree_rec *recp; > > > > + struct xfs_btree_block *block; > > > > + __int64_t ldiff; > > > > + __int64_t hdiff; > > > > + int level; > > > > + struct xfs_buf *bp; > > > > + int i; > > > > + int error; > > > > + > > > > + /* Find the keys of both ends of the interval. */ > > > > + cur->bc_rec = *high_rec; > > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > > + cur->bc_ops->init_key_from_rec(&high_key, &rec); > > > > + > > > > + cur->bc_rec = *low_rec; > > > > + cur->bc_ops->init_rec_from_cur(cur, &rec); > > > > + cur->bc_ops->init_key_from_rec(&low_key, &rec); > > > > + > > > > + /* Load the root of the btree. */ > > > > + level = cur->bc_nlevels - 1; > > > > + cur->bc_ops->init_ptr_from_cur(cur, &ptr); > > > > + error = xfs_btree_lookup_get_block(cur, level, &ptr, &block); > > > > + if (error) > > > > + return error; > > > > + xfs_btree_get_block(cur, level, &bp); > > > > + trace_xfs_btree_overlapped_query_range(cur, level, bp); > > > > +#ifdef DEBUG > > > > + error = xfs_btree_check_block(cur, block, level, bp); > > > > + if (error) > > > > + goto out; > > > > +#endif > > > > + cur->bc_ptrs[level] = 1; > > > > + > > > > + while (level < cur->bc_nlevels) { > > > > + block = XFS_BUF_TO_BLOCK(cur->bc_bufs[level]); > > > > + > > > > + if (level == 0) { > > > > + /* End of leaf, pop back towards the root. */ > > > > + if (cur->bc_ptrs[level] > > > > > + be16_to_cpu(block->bb_numrecs)) { > > > > +leaf_pop_up: > > > > + if (level < cur->bc_nlevels - 1) > > > > + cur->bc_ptrs[level + 1]++; > > > > + level++; > > > > + continue; > > > > + } > > > > + > > > > + recp = xfs_btree_rec_addr(cur, cur->bc_ptrs[0], block); > > > > + > > > > + cur->bc_ops->init_high_key_from_rec(&rec_key, recp); > > > > + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, > > > > + &rec_key); > > > > + > > > > + cur->bc_ops->init_key_from_rec(&rec_key, recp); > > > > + hdiff = cur->bc_ops->diff_two_keys(cur, &rec_key, > > > > + &high_key); > > > > + > > > > > > This looked a little funny to me because I expected diff_two_keys() to > > > basically be param1 - param2. Looking ahead at the rmapbt code, it is in > > > fact the other way around. I'm not sure we have precedent for either > > > way, tbh. I still have to stare at this some more, but I wonder if a > > > "does record overlap" helper (with comments) would help clean this up a > > > bit. > > > > You're correct this is exactly the opposite of the compare functions in > > the C library and the rest of the kernel. I'll fix that up. > > > > > > + /* If the record matches, callback */ > > > > + if (ldiff >= 0 && hdiff >= 0) { > > > > Ok, I'll make it a little clearer what we're testing here: > > > > /* > > * If (record's high key >= query's low key) and > > * (query's high key >= record's low key), then > > * this record overlaps the query range, so callback. > > */ > > > > > > > > + error = fn(cur, recp, priv); > > > > + if (error < 0 || > > > > + error == XFS_BTREE_QUERY_RANGE_ABORT) > > > > + break; > > > > + } else if (hdiff < 0) { > > > > + /* Record is larger than high key; pop. */ > > > > + goto leaf_pop_up; > > > > + } > > > > + cur->bc_ptrs[level]++; > > > > + continue; > > > > + } > > > > + > > > > + /* End of node, pop back towards the root. */ > > > > + if (cur->bc_ptrs[level] > be16_to_cpu(block->bb_numrecs)) { > > > > +node_pop_up: > > > > + if (level < cur->bc_nlevels - 1) > > > > + cur->bc_ptrs[level + 1]++; > > > > + level++; > > > > + continue; > > > > > > Looks like same code as leaf_pop_up. I wonder if we can bury this at the > > > end of the loop with a common label. > > > > Yep. > > > > > > + } > > > > + > > > > + lkp = xfs_btree_key_addr(cur, cur->bc_ptrs[level], block); > > > > + hkp = xfs_btree_high_key_addr(cur, cur->bc_ptrs[level], block); > > > > + pp = xfs_btree_ptr_addr(cur, cur->bc_ptrs[level], block); > > > > + > > > > + ldiff = cur->bc_ops->diff_two_keys(cur, &low_key, hkp); > > > > + hdiff = cur->bc_ops->diff_two_keys(cur, lkp, &high_key); > > > > + > > > > + /* If the key matches, drill another level deeper. */ > > > > + if (ldiff >= 0 && hdiff >= 0) { > > > > + level--; > > > > + error = xfs_btree_lookup_get_block(cur, level, pp, > > > > + &block); > > > > + if (error) > > > > + goto out; > > > > + xfs_btree_get_block(cur, level, &bp); > > > > + trace_xfs_btree_overlapped_query_range(cur, level, bp); > > > > +#ifdef DEBUG > > > > + error = xfs_btree_check_block(cur, block, level, bp); > > > > + if (error) > > > > + goto out; > > > > +#endif > > > > + cur->bc_ptrs[level] = 1; > > > > + continue; > > > > + } else if (hdiff < 0) { > > > > + /* The low key is larger than the upper range; pop. */ > > > > + goto node_pop_up; > > > > + } > > > > + cur->bc_ptrs[level]++; > > > > + } > > > > + > > > > +out: > > > > + /* > > > > + * If we don't end this function with the cursor pointing at a record > > > > + * block, a subsequent non-error cursor deletion will not release > > > > + * node-level buffers, causing a buffer leak. This is quite possible > > > > + * with a zero-results range query, so release the buffers if we > > > > + * failed to return any results. > > > > + */ > > > > + if (cur->bc_bufs[0] == NULL) { > > > > + for (i = 0; i < cur->bc_nlevels; i++) { > > > > + if (cur->bc_bufs[i]) { > > > > + xfs_trans_brelse(cur->bc_tp, cur->bc_bufs[i]); > > > > + cur->bc_bufs[i] = NULL; > > > > + cur->bc_ptrs[i] = 0; > > > > + cur->bc_ra[i] = 0; > > > > + } > > > > + } > > > > + } > > > > + > > > > + return error; > > > > +} > > > > + > > > > +/* > > > > + * Query a btree for all records overlapping a given interval of keys. The > > > > + * supplied function will be called with each record found; return one of the > > > > + * XFS_BTREE_QUERY_RANGE_{CONTINUE,ABORT} values or the usual negative error > > > > + * code. This function returns XFS_BTREE_QUERY_RANGE_ABORT, zero, or a > > > > + * negative error code. > > > > + */ > > > > +int > > > > +xfs_btree_query_range( > > > > + struct xfs_btree_cur *cur, > > > > + union xfs_btree_irec *low_rec, > > > > + union xfs_btree_irec *high_rec, > > > > + xfs_btree_query_range_fn fn, > > > > + void *priv) > > > > +{ > > > > + if (!(cur->bc_ops->flags & XFS_BTREE_OPS_OVERLAPPING)) > > > > + return xfs_btree_simple_query_range(cur, low_rec, > > > > + high_rec, fn, priv); > > > > + return xfs_btree_overlapped_query_range(cur, low_rec, high_rec, > > > > + fn, priv); > > > > +} > > > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > > > index a5ec6c7..898fee5 100644 > > > > --- a/fs/xfs/libxfs/xfs_btree.h > > > > +++ b/fs/xfs/libxfs/xfs_btree.h > > > > @@ -206,6 +206,12 @@ struct xfs_btree_ops { > > > > #define LASTREC_DELREC 2 > > > > > > > > > > > > +union xfs_btree_irec { > > > > + xfs_alloc_rec_incore_t a; > > > > + xfs_bmbt_irec_t b; > > > > + xfs_inobt_rec_incore_t i; > > > > +}; > > > > + > > > > > > We might as well kill off the typedef usage here. > > > > Ok. Thx for the review! > > > > --D > > > > > > > > Brian > > > > > > > /* > > > > * Btree cursor structure. > > > > * This collects all information needed by the btree code in one place. > > > > @@ -216,11 +222,7 @@ typedef struct xfs_btree_cur > > > > struct xfs_mount *bc_mp; /* file system mount struct */ > > > > const struct xfs_btree_ops *bc_ops; > > > > uint bc_flags; /* btree features - below */ > > > > - union { > > > > - xfs_alloc_rec_incore_t a; > > > > - xfs_bmbt_irec_t b; > > > > - xfs_inobt_rec_incore_t i; > > > > - } bc_rec; /* current insert/search record value */ > > > > + union xfs_btree_irec bc_rec; /* current insert/search record value */ > > > > struct xfs_buf *bc_bufs[XFS_BTREE_MAXLEVELS]; /* buf ptr per level */ > > > > int bc_ptrs[XFS_BTREE_MAXLEVELS]; /* key/record # */ > > > > __uint8_t bc_ra[XFS_BTREE_MAXLEVELS]; /* readahead bits */ > > > > @@ -494,4 +496,14 @@ xfs_extlen_t xfs_btree_calc_size(struct xfs_mount *mp, uint *limits, > > > > uint xfs_btree_compute_maxlevels(struct xfs_mount *mp, uint *limits, > > > > unsigned long len); > > > > > > > > +/* return codes */ > > > > +#define XFS_BTREE_QUERY_RANGE_CONTINUE 0 /* keep iterating */ > > > > +#define XFS_BTREE_QUERY_RANGE_ABORT 1 /* stop iterating */ > > > > +typedef int (*xfs_btree_query_range_fn)(struct xfs_btree_cur *cur, > > > > + union xfs_btree_rec *rec, void *priv); > > > > + > > > > +int xfs_btree_query_range(struct xfs_btree_cur *cur, > > > > + union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec, > > > > + xfs_btree_query_range_fn fn, void *priv); > > > > + > > > > #endif /* __XFS_BTREE_H__ */ > > > > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > > > > index ffea28c..f0ac9c9 100644 > > > > --- a/fs/xfs/xfs_trace.h > > > > +++ b/fs/xfs/xfs_trace.h > > > > @@ -2218,6 +2218,7 @@ DEFINE_EVENT(xfs_btree_cur_class, name, \ > > > > TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ > > > > TP_ARGS(cur, level, bp)) > > > > DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > > > > +DEFINE_BTREE_CUR_EVENT(xfs_btree_overlapped_query_range); > > > > > > > > #endif /* _TRACE_XFS_H */ > > > > > > > > > > > > _______________________________________________ > > > > xfs mailing list > > > > xfs@oss.sgi.com > > > > http://oss.sgi.com/mailman/listinfo/xfs > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Tue Jun 28 11:33:56 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id A31587CA4 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 11:33:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5954B8F8039 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 09:33:56 -0700 (PDT) X-ASG-Debug-ID: 1467131633-04cbb02738302370001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id KyGdmVECabcXo0VJ (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 09:33:53 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5SGXp0c002560 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 16:33:52 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5SGXpmM017946 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 16:33:51 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5SGXpKX002470; Tue, 28 Jun 2016 16:33:51 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 09:33:49 -0700 Date: Tue, 28 Jun 2016 09:33:48 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free Message-ID: <20160628163348.GB16181@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 018/119] xfs: enable the xfs_defer mechanism to process extents to free References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612638717.12839.11007379793448761871.stgit@birch.djwong.org> <20160627131508.GC23076@bfoster.bfoster> <20160627214145.GC4921@birch.djwong.org> <20160627220003.GA4917@birch.djwong.org> <20160628123238.GE4212@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20160628123238.GE4212@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467131633 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 8249 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30835 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Tue, Jun 28, 2016 at 08:32:39AM -0400, Brian Foster wrote: > On Mon, Jun 27, 2016 at 03:00:03PM -0700, Darrick J. Wong wrote: > > On Mon, Jun 27, 2016 at 02:41:45PM -0700, Darrick J. Wong wrote: > > > On Mon, Jun 27, 2016 at 09:15:08AM -0400, Brian Foster wrote: > > > > On Thu, Jun 16, 2016 at 06:19:47PM -0700, Darrick J. Wong wrote: > > > > > Connect the xfs_defer mechanism with the pieces that we'll need to > > > > > handle deferred extent freeing. We'll wire up the existing code to > > > > > our new deferred mechanism later. > > > > > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > > > --- > > > > > > > > Could we merge this with the xfs_trans_*efi/efd* bits? We'd need to > > > > preserve some calls for recovery, but it looks like other parts are only > > > > used by the deferred ops infrastructure at this point. > > > > > > Yes, we could replace xfs_bmap_free_create_{intent,done} with > > > xfs_trans_get_ef[id] and lose the silly functions. I'll go take > > > care of all of them. > > > > Hah, gcc complains about the mismatch in pointer types for the second > > argument. > > > > fs/xfs/xfs_defer_item.c:504:17: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] > > .create_done = xfs_trans_get_bud, > > ^ > > fs/xfs/xfs_defer_item.c:504:17: note: (near initialization for ‘xfs_bmap_update_defer_type.create_done’) > > > > I guess one could put in an ugly cast to coerce the types at a cost of > > uglifying the code. <shrug> Opinions? > > > > Not sure what you mean here... I should be more clear. What I was > thinking is to nuke xfs_defer_item.c, define the 'const struct > xfs_defer_op_type xfs_extent_free_defer_type' right in > xfs_trans_extfree.c (perhaps rename the file) and wire up the functions > appropriately. Just change the function signatures if you need to. For > something like xfs_trans_get_efd(), maybe refactor the guts into a > static helper that both the defer callback and xfs_trans_get_efd() can > use, since we need the latter for log recovery. Will something like that > work? > > To put it simply, it looks like we have at least a few places where > defer item has a callback that calls yet another interface, but is the > only caller of the latter (e.g., > xfs_bmap_free_create_intent()->xfs_trans_get_efi()). *Oh*. Yes, certainly all the stuff in xfs_defer_item.c can be broken up by type and moved into xfs_trans_*.c. The libxfs version will retain libxfs/defer_item.c since the deferred op types there simply call the appropriate libxfs functions without any logging. --D > > Brian > > > --D > > > > > > > > --D > > > > > > > > > > > Brian > > > > > > > > > fs/xfs/libxfs/xfs_defer.h | 1 > > > > > fs/xfs/xfs_defer_item.c | 108 +++++++++++++++++++++++++++++++++++++++++++++ > > > > > 2 files changed, 109 insertions(+) > > > > > > > > > > > > > > > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > > > > > index 85c7a3a..743fc32 100644 > > > > > --- a/fs/xfs/libxfs/xfs_defer.h > > > > > +++ b/fs/xfs/libxfs/xfs_defer.h > > > > > @@ -51,6 +51,7 @@ struct xfs_defer_pending { > > > > > * find all the space it needs. > > > > > */ > > > > > enum xfs_defer_ops_type { > > > > > + XFS_DEFER_OPS_TYPE_FREE, > > > > > XFS_DEFER_OPS_TYPE_MAX, > > > > > }; > > > > > > > > > > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > > > > > index 4c2ba28..127a54e 100644 > > > > > --- a/fs/xfs/xfs_defer_item.c > > > > > +++ b/fs/xfs/xfs_defer_item.c > > > > > @@ -29,9 +29,117 @@ > > > > > #include "xfs_defer.h" > > > > > #include "xfs_trans.h" > > > > > #include "xfs_trace.h" > > > > > +#include "xfs_bmap.h" > > > > > +#include "xfs_extfree_item.h" > > > > > + > > > > > +/* Extent Freeing */ > > > > > + > > > > > +/* Sort bmap items by AG. */ > > > > > +static int > > > > > +xfs_bmap_free_diff_items( > > > > > + void *priv, > > > > > + struct list_head *a, > > > > > + struct list_head *b) > > > > > +{ > > > > > + struct xfs_mount *mp = priv; > > > > > + struct xfs_bmap_free_item *ra; > > > > > + struct xfs_bmap_free_item *rb; > > > > > + > > > > > + ra = container_of(a, struct xfs_bmap_free_item, xbfi_list); > > > > > + rb = container_of(b, struct xfs_bmap_free_item, xbfi_list); > > > > > + return XFS_FSB_TO_AGNO(mp, ra->xbfi_startblock) - > > > > > + XFS_FSB_TO_AGNO(mp, rb->xbfi_startblock); > > > > > +} > > > > > + > > > > > +/* Get an EFI. */ > > > > > +STATIC void * > > > > > +xfs_bmap_free_create_intent( > > > > > + struct xfs_trans *tp, > > > > > + unsigned int count) > > > > > +{ > > > > > + return xfs_trans_get_efi(tp, count); > > > > > +} > > > > > + > > > > > +/* Log a free extent to the intent item. */ > > > > > +STATIC void > > > > > +xfs_bmap_free_log_item( > > > > > + struct xfs_trans *tp, > > > > > + void *intent, > > > > > + struct list_head *item) > > > > > +{ > > > > > + struct xfs_bmap_free_item *free; > > > > > + > > > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > > > + xfs_trans_log_efi_extent(tp, intent, free->xbfi_startblock, > > > > > + free->xbfi_blockcount); > > > > > +} > > > > > + > > > > > +/* Get an EFD so we can process all the free extents. */ > > > > > +STATIC void * > > > > > +xfs_bmap_free_create_done( > > > > > + struct xfs_trans *tp, > > > > > + void *intent, > > > > > + unsigned int count) > > > > > +{ > > > > > + return xfs_trans_get_efd(tp, intent, count); > > > > > +} > > > > > + > > > > > +/* Process a free extent. */ > > > > > +STATIC int > > > > > +xfs_bmap_free_finish_item( > > > > > + struct xfs_trans *tp, > > > > > + struct xfs_defer_ops *dop, > > > > > + struct list_head *item, > > > > > + void *done_item, > > > > > + void **state) > > > > > +{ > > > > > + struct xfs_bmap_free_item *free; > > > > > + int error; > > > > > + > > > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > > > + error = xfs_trans_free_extent(tp, done_item, > > > > > + free->xbfi_startblock, > > > > > + free->xbfi_blockcount); > > > > > + kmem_free(free); > > > > > + return error; > > > > > +} > > > > > + > > > > > +/* Abort all pending EFIs. */ > > > > > +STATIC void > > > > > +xfs_bmap_free_abort_intent( > > > > > + void *intent) > > > > > +{ > > > > > + xfs_efi_release(intent); > > > > > +} > > > > > + > > > > > +/* Cancel a free extent. */ > > > > > +STATIC void > > > > > +xfs_bmap_free_cancel_item( > > > > > + struct list_head *item) > > > > > +{ > > > > > + struct xfs_bmap_free_item *free; > > > > > + > > > > > + free = container_of(item, struct xfs_bmap_free_item, xbfi_list); > > > > > + kmem_free(free); > > > > > +} > > > > > + > > > > > +const struct xfs_defer_op_type xfs_extent_free_defer_type = { > > > > > + .type = XFS_DEFER_OPS_TYPE_FREE, > > > > > + .max_items = XFS_EFI_MAX_FAST_EXTENTS, > > > > > + .diff_items = xfs_bmap_free_diff_items, > > > > > + .create_intent = xfs_bmap_free_create_intent, > > > > > + .abort_intent = xfs_bmap_free_abort_intent, > > > > > + .log_item = xfs_bmap_free_log_item, > > > > > + .create_done = xfs_bmap_free_create_done, > > > > > + .finish_item = xfs_bmap_free_finish_item, > > > > > + .cancel_item = xfs_bmap_free_cancel_item, > > > > > +}; > > > > > + > > > > > +/* Deferred Item Initialization */ > > > > > > > > > > /* Initialize the deferred operation types. */ > > > > > void > > > > > xfs_defer_init_types(void) > > > > > { > > > > > + xfs_defer_init_op_type(&xfs_extent_free_defer_type); > > > > > } > > > > > > > > > > _______________________________________________ > > > > > xfs mailing list > > > > > xfs@oss.sgi.com > > > > > http://oss.sgi.com/mailman/listinfo/xfs > > > > > > _______________________________________________ > > > xfs mailing list > > > xfs@oss.sgi.com > > > http://oss.sgi.com/mailman/listinfo/xfs > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From elizabethnuru3@gmail.com Tue Jun 28 12:01:11 2016 Return-Path: <elizabethnuru3@gmail.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 5D1917CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 12:01:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id B7C15AC003 for <xfs@oss.sgi.com>; 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Wed, 29 Jun 2016 02:01:01 JST X-RocketYMMF: personal_aid10 X-Mailer: YahooMailWebService/0.8.111_69 X-YMail-JAS: 9Rdsa.AVM1m660tqPCbkd8u.vx9LhSloeIIHEgd2gPp8DPoLYL3BR.t4a5AJfXs_iQWag_6ibaZD8STFyL8vP7kw4KjJi4CmdXaXN2BMtVf3lXwa1gcW10Dt67us7DQjYaVt Sender: personal_aid10@yahoo.co.jp Date: Wed, 29 Jun 2016 02:01:01 +0900 (JST) From: Elizabet Hnuru <elizabethnuru3@gmail.com> Reply-To: Elizabet Hnuru <elizabethnuru3@gmail.com> Subject: Hi, I ask your help in the transfer and investment of funds, i want you in the capacity of the fund manager. 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MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="1501132162-1717057604-1467133261=:41844" X-Barracuda-Connect: nh603-vm7.bullet.mail.ssk.yahoo.co.jp[182.22.90.48] X-Barracuda-Start-Time: 1467133263 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 134 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 2.00 X-Barracuda-Spam-Status: No, SCORE=2.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA643_EMP_2, DKIM_SIGNED, DKIM_VERIFIED, HTML_MESSAGE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30836 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 HTML_MESSAGE BODY: HTML included in message 2.00 BSF_SC0_SA643_EMP_2 Custom Rule SA643_EMP_2 --1501132162-1717057604-1467133261=:41844 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable =0A --1501132162-1717057604-1467133261=:41844 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"color:; background-color:; font-family:MS PGothic= , sans-serif;font-size:12pt"><div></div></div></body></html> --1501132162-1717057604-1467133261=:41844-- From darrick.wong@oracle.com Tue Jun 28 12:37:12 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 206527CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 12:37:12 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9CF90AC001 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 10:37:08 -0700 (PDT) X-ASG-Debug-ID: 1467135423-04bdf074b719d0c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id oxMteaGtgDuCCvdx (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 10:37:04 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5SHb0AB022346 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 17:37:00 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5SHaxlh018225 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 17:37:00 GMT Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5SHaxRR032444; Tue, 28 Jun 2016 17:36:59 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 10:36:58 -0700 Date: Tue, 28 Jun 2016 10:36:57 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys Message-ID: <20160628173657.GC16181@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 013/119] xfs: support btrees with overlapping intervals for keys References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612635526.12839.13865365567940815077.stgit@birch.djwong.org> <20160622151706.GB5423@bfoster.bfoster> <20160628032621.GB4917@birch.djwong.org> <20160628123203.GB4212@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160628123203.GB4212@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1467135424 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 17813 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30837 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Tue, Jun 28, 2016 at 08:32:04AM -0400, Brian Foster wrote: > On Mon, Jun 27, 2016 at 08:26:21PM -0700, Darrick J. Wong wrote: > > On Wed, Jun 22, 2016 at 11:17:06AM -0400, Brian Foster wrote: > > > On Thu, Jun 16, 2016 at 06:19:15PM -0700, Darrick J. Wong wrote: > > > > On a filesystem with both reflink and reverse mapping enabled, it's > > > > possible to have multiple rmap records referring to the same blocks on > > > > disk. When overlapping intervals are possible, querying a classic > > > > btree to find all records intersecting a given interval is inefficient > > > > because we cannot use the left side of the search interval to filter > > > > out non-matching records the same way that we can use the existing > > > > btree key to filter out records coming after the right side of the > > > > search interval. This will become important once we want to use the > > > > rmap btree to rebuild BMBTs, or implement the (future) fsmap ioctl. > > > > > > > > (For the non-overlapping case, we can perform such queries trivially > > > > by starting at the left side of the interval and walking the tree > > > > until we pass the right side.) > > > > > > > > Therefore, extend the btree code to come closer to supporting > > > > intervals as a first-class record attribute. This involves widening > > > > the btree node's key space to store both the lowest key reachable via > > > > the node pointer (as the btree does now) and the highest key reachable > > > > via the same pointer and teaching the btree modifying functions to > > > > keep the highest-key records up to date. > > > > > > > > This behavior can be turned on via a new btree ops flag so that btrees > > > > that cannot store overlapping intervals don't pay the overhead costs > > > > in terms of extra code and disk format changes. > > > > > > > > v2: When we're deleting a record in a btree that supports overlapped > > > > interval records and the deletion results in two btree blocks being > > > > joined, we defer updating the high/low keys until after all possible > > > > joining (at higher levels in the tree) have finished. At this point, > > > > the btree pointers at all levels have been updated to remove the empty > > > > blocks and we can update the low and high keys. > > > > > > > > When we're doing this, we must be careful to update the keys of all > > > > node pointers up to the root instead of stopping at the first set of > > > > keys that don't need updating. This is because it's possible for a > > > > single deletion to cause joining of multiple levels of tree, and so > > > > we need to update everything going back to the root. > > > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > > --- > > > > > > I think I get the gist of this and it mostly looks Ok to me. A few > > > questions and minor comments... > > > > Ok. > > > > > > fs/xfs/libxfs/xfs_btree.c | 379 +++++++++++++++++++++++++++++++++++++++++---- > > > > fs/xfs/libxfs/xfs_btree.h | 16 ++ > > > > fs/xfs/xfs_trace.h | 36 ++++ > > > > 3 files changed, 395 insertions(+), 36 deletions(-) > > > > > > > > > > > > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > > > > index a096539..afcafd6 100644 > > > > --- a/fs/xfs/libxfs/xfs_btree.c > > > > +++ b/fs/xfs/libxfs/xfs_btree.c > ... > > > > @@ -2149,7 +2392,9 @@ xfs_btree_lshift( > > > > rkp = &key; > > > > } > > > > > > > > - /* Update the parent key values of right. */ > > > > + /* Update the parent key values of left and right. */ > > > > + xfs_btree_sibling_updkeys(cur, level, XFS_BB_LEFTSIB, left, lbp); > > > > + xfs_btree_updkeys(cur, level); > > > > error = xfs_btree_updkey(cur, rkp, level + 1); > > > > if (error) > > > > goto error0; > > > > @@ -2321,6 +2566,9 @@ xfs_btree_rshift( > > > > if (error) > > > > goto error1; > > > > > > > > + /* Update left and right parent pointers */ > > > > + xfs_btree_updkeys(cur, level); > > > > + xfs_btree_updkeys(tcur, level); > > > > > > In this case, we grab the last record of the block, increment from there > > > and update using the cursor. This is much more straightforward, imo. > > > Could we use this approach in the left shift case as well? > > > > Yes, I think so. I might have started refactoring btree_sibling_updkeys > > out of existence and got distracted, since there isn't anything that uses > > the RIGHTSIB ptr value. > > > > Ok, I think that would be much cleaner. Done. > > > > error = xfs_btree_updkey(tcur, rkp, level + 1); > > > > if (error) > > > > goto error1; > > > > @@ -2356,7 +2604,7 @@ __xfs_btree_split( > > > > struct xfs_btree_cur *cur, > > > > int level, > > > > union xfs_btree_ptr *ptrp, > > > > - union xfs_btree_key *key, > > > > + struct xfs_btree_double_key *key, > > > > struct xfs_btree_cur **curp, > > > > int *stat) /* success/failure */ > > > > { > > > > @@ -2452,9 +2700,6 @@ __xfs_btree_split( > > > > > > > > xfs_btree_log_keys(cur, rbp, 1, rrecs); > > > > xfs_btree_log_ptrs(cur, rbp, 1, rrecs); > > > > - > > > > - /* Grab the keys to the entries moved to the right block */ > > > > - xfs_btree_copy_keys(cur, key, rkp, 1); > > > > } else { > > > > /* It's a leaf. Move records. */ > > > > union xfs_btree_rec *lrp; /* left record pointer */ > > > > @@ -2465,12 +2710,8 @@ __xfs_btree_split( > > > > > > > > xfs_btree_copy_recs(cur, rrp, lrp, rrecs); > > > > xfs_btree_log_recs(cur, rbp, 1, rrecs); > > > > - > > > > - cur->bc_ops->init_key_from_rec(key, > > > > - xfs_btree_rec_addr(cur, 1, right)); > > > > } > > > > > > > > - > > > > /* > > > > * Find the left block number by looking in the buffer. > > > > * Adjust numrecs, sibling pointers. > > > > @@ -2484,6 +2725,12 @@ __xfs_btree_split( > > > > xfs_btree_set_numrecs(left, lrecs); > > > > xfs_btree_set_numrecs(right, xfs_btree_get_numrecs(right) + rrecs); > > > > > > > > + /* Find the low & high keys for the new block. */ > > > > + if (level > 0) > > > > + xfs_btree_find_node_keys(cur, right, &key->low, &key->high); > > > > + else > > > > + xfs_btree_find_leaf_keys(cur, right, &key->low, &key->high); > > > > + > > > > > > Why not push these into the above if/else where the previous key > > > copy/init calls were removed from? > > > > We don't set bb_numrecs on the right block until the line above the new > > hunk, and the btree_find_*_keys functions require numrecs to be set. > > > > The removed key copy/init calls only looked at keys[1]. > > > > That said, it's trivial to move the set_numrecs calls above the if statement. > > > > Ok, thanks. No need to shuffle it around. I'd suggest a one-liner > comment though so somebody doesn't blindly refactor this down the road. > It also sounds like the find keys functions could use ASSERT() checks > for a sane bb_numrecs. Hmm. I already moved it, oh well. It _does_ make the function less messy, so I'll leave it unless anyone yells. > > > > xfs_btree_log_block(cur, rbp, XFS_BB_ALL_BITS); > > > > xfs_btree_log_block(cur, lbp, XFS_BB_NUMRECS | XFS_BB_RIGHTSIB); > > > > > ... > > > > @@ -3095,8 +3365,24 @@ xfs_btree_insrec( > > > > xfs_btree_log_block(cur, bp, XFS_BB_NUMRECS); > > > > > > > > /* If we inserted at the start of a block, update the parents' keys. */ > > > > > > This comment is associated with the codeblock that has been pushed > > > further down, no? > > > > Correct. I think that got mismerged somewhere along the way. > > > > > > + if (ncur && bp->b_bn != old_bn) { > > > > + /* > > > > + * We just inserted into a new tree block, which means that > > > > + * the key for the block is in nkey, not the tree. > > > > + */ > > > > + if (level == 0) > > > > + xfs_btree_find_leaf_keys(cur, block, &nkey.low, > > > > + &nkey.high); > > > > + else > > > > + xfs_btree_find_node_keys(cur, block, &nkey.low, > > > > + &nkey.high); > > > > + } else { > > > > + /* Updating the left block, do it the standard way. */ > > > > + xfs_btree_updkeys(cur, level); > > > > + } > > > > + > > > > > > Not quite sure I follow the purpose of this hunk. Is this for the case > > > where a btree split occurs, nkey is filled in for the new/right block > > > and then (after nkey is filled in) the new record ends up being added to > > > the new block? If so, what about the case where ncur is not created? > > > (It looks like that's possible from the code, but I could easily be > > > missing some context as to why that's not the case.) > > > > Yes, the first part of the if-else hunk is to fill out nkey when we've > > split a btree block. Now that I look at it again, I think that whole > > weird conditional could be replaced with the same xfs_btree_ptr_is_null() > > check later on. I think it can also be combined with it. This is incorrect. The only time we want to perform the nkey recalculation is in the specific case where we split a btree block and the cursor ends up pointing into the new block for the insertion. We cannot gate the nkey recalc on whether or not &nptr is null, because if we insert into the left block after a split we'll recalculate nkey (the right block's keys) using the left block's data, which is incorrect. We probably want to do the key recalc ahead of calling ->update_lastrec because the callback could modify the cursor. So I'll just leave the code mostly as is, clarify the comments about what we're doing and why, and change the if statement to: if (bp && bp->b_bn != old_bn) Also for some reason I neglected to check the return code from xfs_btree_updkeys, so I will go fix that. At the moment it doesn't matter because updkeys never fails, but I might as well fix it now. > Ok. > > > Commentage for now: > > > > /* > > * If we just inserted a new tree block, we have to find the low > > * and high keys for the new block and arrange to pass them back > > * separately. If we're just updating a block we can use the > > * regular tree update mechanism. > > */ > > > > Couldn't you just point out that nkey may not be coherent with the new > block if the new record was inserted therein..? Yes, that would be less convoluted. Done. :) > > > In any event, I think we could elaborate a bit in the comment on why > > > this is necessary. I'd also move it above the top-level if/else. > > > > > > > if (optr == 1) { > > > > - error = xfs_btree_updkey(cur, key, level + 1); > > > > + error = xfs_btree_updkey(cur, &key->low, level + 1); > > > > if (error) > > > > goto error0; > > > > } > > > > @@ -3147,7 +3433,7 @@ xfs_btree_insert( > > > > union xfs_btree_ptr nptr; /* new block number (split result) */ > > > > struct xfs_btree_cur *ncur; /* new cursor (split result) */ > > > > struct xfs_btree_cur *pcur; /* previous level's cursor */ > > > > - union xfs_btree_key key; /* key of block to insert */ > > > > + struct xfs_btree_double_key key; /* key of block to insert */ > > > > > > Probably should fix up the function param alignment here and the couple > > > other or so places we make this change. > > > > I changed the name to xfs_btree_bigkey, which avoids the alignment problems. > > > > Sounds good. --D > > Brian > > > --D > > > > > > > > Brian > > > > > > > > > > > level = 0; > > > > ncur = NULL; > > > > @@ -3552,6 +3838,7 @@ xfs_btree_delrec( > > > > * If we deleted the leftmost entry in the block, update the > > > > * key values above us in the tree. > > > > */ > > > > + xfs_btree_updkeys(cur, level); > > > > if (ptr == 1) { > > > > error = xfs_btree_updkey(cur, keyp, level + 1); > > > > if (error) > > > > @@ -3882,6 +4169,16 @@ xfs_btree_delrec( > > > > if (level > 0) > > > > cur->bc_ptrs[level]--; > > > > > > > > + /* > > > > + * We combined blocks, so we have to update the parent keys if the > > > > + * btree supports overlapped intervals. However, bc_ptrs[level + 1] > > > > + * points to the old block so that the caller knows which record to > > > > + * delete. Therefore, the caller must be savvy enough to call updkeys > > > > + * for us if we return stat == 2. The other exit points from this > > > > + * function don't require deletions further up the tree, so they can > > > > + * call updkeys directly. > > > > + */ > > > > + > > > > XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); > > > > /* Return value means the next level up has something to do. */ > > > > *stat = 2; > > > > @@ -3907,6 +4204,7 @@ xfs_btree_delete( > > > > int error; /* error return value */ > > > > int level; > > > > int i; > > > > + bool joined = false; > > > > > > > > XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); > > > > > > > > @@ -3920,8 +4218,17 @@ xfs_btree_delete( > > > > error = xfs_btree_delrec(cur, level, &i); > > > > if (error) > > > > goto error0; > > > > + if (i == 2) > > > > + joined = true; > > > > } > > > > > > > > + /* > > > > + * If we combined blocks as part of deleting the record, delrec won't > > > > + * have updated the parent keys so we have to do that here. > > > > + */ > > > > + if (joined) > > > > + xfs_btree_updkeys_force(cur, 0); > > > > + > > > > if (i == 0) { > > > > for (level = 1; level < cur->bc_nlevels; level++) { > > > > if (cur->bc_ptrs[level] == 0) { > > > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > > > > index b99c018..a5ec6c7 100644 > > > > --- a/fs/xfs/libxfs/xfs_btree.h > > > > +++ b/fs/xfs/libxfs/xfs_btree.h > > > > @@ -126,6 +126,9 @@ struct xfs_btree_ops { > > > > size_t key_len; > > > > size_t rec_len; > > > > > > > > + /* flags */ > > > > + uint flags; > > > > + > > > > /* cursor operations */ > > > > struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); > > > > void (*update_cursor)(struct xfs_btree_cur *src, > > > > @@ -162,11 +165,21 @@ struct xfs_btree_ops { > > > > union xfs_btree_rec *rec); > > > > void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, > > > > union xfs_btree_ptr *ptr); > > > > + void (*init_high_key_from_rec)(union xfs_btree_key *key, > > > > + union xfs_btree_rec *rec); > > > > > > > > /* difference between key value and cursor value */ > > > > __int64_t (*key_diff)(struct xfs_btree_cur *cur, > > > > union xfs_btree_key *key); > > > > > > > > + /* > > > > + * Difference between key2 and key1 -- positive if key2 > key1, > > > > + * negative if key2 < key1, and zero if equal. > > > > + */ > > > > + __int64_t (*diff_two_keys)(struct xfs_btree_cur *cur, > > > > + union xfs_btree_key *key1, > > > > + union xfs_btree_key *key2); > > > > + > > > > const struct xfs_buf_ops *buf_ops; > > > > > > > > #if defined(DEBUG) || defined(XFS_WARN) > > > > @@ -182,6 +195,9 @@ struct xfs_btree_ops { > > > > #endif > > > > }; > > > > > > > > +/* btree ops flags */ > > > > +#define XFS_BTREE_OPS_OVERLAPPING (1<<0) /* overlapping intervals */ > > > > + > > > > /* > > > > * Reasons for the update_lastrec method to be called. > > > > */ > > > > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > > > > index 68f27f7..ffea28c 100644 > > > > --- a/fs/xfs/xfs_trace.h > > > > +++ b/fs/xfs/xfs_trace.h > > > > @@ -38,6 +38,7 @@ struct xlog_recover_item; > > > > struct xfs_buf_log_format; > > > > struct xfs_inode_log_format; > > > > struct xfs_bmbt_irec; > > > > +struct xfs_btree_cur; > > > > > > > > DECLARE_EVENT_CLASS(xfs_attr_list_class, > > > > TP_PROTO(struct xfs_attr_list_context *ctx), > > > > @@ -2183,6 +2184,41 @@ DEFINE_DISCARD_EVENT(xfs_discard_toosmall); > > > > DEFINE_DISCARD_EVENT(xfs_discard_exclude); > > > > DEFINE_DISCARD_EVENT(xfs_discard_busy); > > > > > > > > +/* btree cursor events */ > > > > +DECLARE_EVENT_CLASS(xfs_btree_cur_class, > > > > + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), > > > > + TP_ARGS(cur, level, bp), > > > > + TP_STRUCT__entry( > > > > + __field(dev_t, dev) > > > > + __field(xfs_btnum_t, btnum) > > > > + __field(int, level) > > > > + __field(int, nlevels) > > > > + __field(int, ptr) > > > > + __field(xfs_daddr_t, daddr) > > > > + ), > > > > + TP_fast_assign( > > > > + __entry->dev = cur->bc_mp->m_super->s_dev; > > > > + __entry->btnum = cur->bc_btnum; > > > > + __entry->level = level; > > > > + __entry->nlevels = cur->bc_nlevels; > > > > + __entry->ptr = cur->bc_ptrs[level]; > > > > + __entry->daddr = bp->b_bn; > > > > + ), > > > > + TP_printk("dev %d:%d btnum %d level %d/%d ptr %d daddr 0x%llx", > > > > + MAJOR(__entry->dev), MINOR(__entry->dev), > > > > + __entry->btnum, > > > > + __entry->level, > > > > + __entry->nlevels, > > > > + __entry->ptr, > > > > + (unsigned long long)__entry->daddr) > > > > +) > > > > + > > > > +#define DEFINE_BTREE_CUR_EVENT(name) \ > > > > +DEFINE_EVENT(xfs_btree_cur_class, name, \ > > > > + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ > > > > + TP_ARGS(cur, level, bp)) > > > > +DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); > > > > + > > > > #endif /* _TRACE_XFS_H */ > > > > > > > > #undef TRACE_INCLUDE_PATH > > > > > > > > _______________________________________________ > > > > xfs mailing list > > > > xfs@oss.sgi.com > > > > http://oss.sgi.com/mailman/listinfo/xfs > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Tue Jun 28 13:52:04 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 843F07CA1 for <xfs@oss.sgi.com>; 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Tue, 28 Jun 2016 18:51:54 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5SIpqmq011719; Tue, 28 Jun 2016 18:51:53 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 11:51:51 -0700 Date: Tue, 28 Jun 2016 11:51:50 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Brian Foster <bfoster@redhat.com> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 016/119] xfs: move deferred operations into a separate file Message-ID: <20160628185150.GD16181@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 016/119] xfs: move deferred operations into a separate file References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612637438.12839.12318902006860455847.stgit@birch.djwong.org> <20160627131452.GA23076@bfoster.bfoster> <20160627191401.GA4921@birch.djwong.org> <20160628123232.GD4212@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160628123232.GD4212@bfoster.bfoster> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467139917 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 23352 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30839 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Tue, Jun 28, 2016 at 08:32:32AM -0400, Brian Foster wrote: > On Mon, Jun 27, 2016 at 12:14:01PM -0700, Darrick J. Wong wrote: > > On Mon, Jun 27, 2016 at 09:14:54AM -0400, Brian Foster wrote: > > > On Thu, Jun 16, 2016 at 06:19:34PM -0700, Darrick J. Wong wrote: > > > > All the code around struct xfs_bmap_free basically implements a > > > > deferred operation framework through which we can roll transactions > > > > (to unlock buffers and avoid violating lock order rules) while > > > > managing all the necessary log redo items. Previously we only used > > > > this code to free extents after some sort of mapping operation, but > > > > with the advent of rmap and reflink, we suddenly need to do more than > > > > that. > > > > > > > > With that in mind, xfs_bmap_free really becomes a deferred ops control > > > > structure. Rename the structure and move the deferred ops into their > > > > own file to avoid further bloating of the bmap code. > > > > > > > > v2: actually sort the work items by AG to avoid deadlocks > > > > > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > > > --- > > > > > > So if I'm following this correctly, we 1.) abstract the bmap freeing > > > infrastructure into a generic mechanism and 2.) enhance it a bit to > > > provide things like partial intent completion, etc. > > > > [Back from vacation] > > > > Yup. The partial intent completion code is for use by the refcount adjust > > function because in the worst case an adjustment of N blocks could require > > N record updates. > > > > Ok, technically those bits could be punted off to the reflink series. > > > > If so and for future > > > reference, this would probably be easier to review if the abstraction > > > and enhancement were done separately. It's probably not worth that at > > > this point, however... > > > > It wouldn't be difficult to separate them; the partial intent completion > > are the two code blocks below that handle the -EAGAIN case. > > > > That's kind of what I figured, since otherwise most of the rest of the > code maps to the xfs_bmap_*() stuff. > > > (On the other hand it's so little code that I figured I might as well > > just do the whole file all at once.) > > > > It's more a matter of simplifying review when a change is explicitly > refactoring vs. having to read through and identify where the > enhancements actually are. It leaves a cleaner git history and tends to > simplify backporting as well, fwiw. Point taken, the new functionality could be a separate patch. Or rather, the two chunks of code and a gigantic comment explaining how it should be used will become a separate patch. > That said, I don't mind leaving this one as is at this point. > > > > > fs/xfs/Makefile | 2 > > > > fs/xfs/libxfs/xfs_defer.c | 471 +++++++++++++++++++++++++++++++++++++++++++++ > > > > fs/xfs/libxfs/xfs_defer.h | 96 +++++++++ > > > > fs/xfs/xfs_defer_item.c | 36 +++ > > > > fs/xfs/xfs_super.c | 2 > > > > 5 files changed, 607 insertions(+) > > > > create mode 100644 fs/xfs/libxfs/xfs_defer.c > > > > create mode 100644 fs/xfs/libxfs/xfs_defer.h > > > > create mode 100644 fs/xfs/xfs_defer_item.c > > > > > > > > > > > > diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile > > > > index 3542d94..ad46a2d 100644 > > > > --- a/fs/xfs/Makefile > > > > +++ b/fs/xfs/Makefile > > > > @@ -39,6 +39,7 @@ xfs-y += $(addprefix libxfs/, \ > > > > xfs_btree.o \ > > > > xfs_da_btree.o \ > > > > xfs_da_format.o \ > > > > + xfs_defer.o \ > > > > xfs_dir2.o \ > > > > xfs_dir2_block.o \ > > > > xfs_dir2_data.o \ > > > > @@ -66,6 +67,7 @@ xfs-y += xfs_aops.o \ > > > > xfs_attr_list.o \ > > > > xfs_bmap_util.o \ > > > > xfs_buf.o \ > > > > + xfs_defer_item.o \ > > > > xfs_dir2_readdir.o \ > > > > xfs_discard.o \ > > > > xfs_error.o \ > > > > diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c > > > > new file mode 100644 > > > > index 0000000..ad14e33e > > > > --- /dev/null > > > > +++ b/fs/xfs/libxfs/xfs_defer.c > ... > > > > +int > > > > +xfs_defer_finish( > > > > + struct xfs_trans **tp, > > > > + struct xfs_defer_ops *dop, > > > > + struct xfs_inode *ip) > > > > +{ > > > > + struct xfs_defer_pending *dfp; > > > > + struct list_head *li; > > > > + struct list_head *n; > > > > + void *done_item = NULL; > > > > + void *state; > > > > + int error = 0; > > > > + void (*cleanup_fn)(struct xfs_trans *, void *, int); > > > > + > > > > + ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES); > > > > + > > > > + /* Until we run out of pending work to finish... */ > > > > + while (xfs_defer_has_unfinished_work(dop)) { > > > > + /* Log intents for work items sitting in the intake. */ > > > > + xfs_defer_intake_work(*tp, dop); > > > > + > > > > + /* Roll the transaction. */ > > > > + error = xfs_defer_trans_roll(tp, dop, ip); > > > > + if (error) > > > > + goto out; > > > > + > > > > + /* Mark all pending intents as committed. */ > > > > + list_for_each_entry_reverse(dfp, &dop->dop_pending, dfp_list) { > > > > + if (dfp->dfp_committed) > > > > + break; > > > > + dfp->dfp_committed = true; > > > > + } > > > > + > > > > + /* Log an intent-done item for the first pending item. */ > > > > + dfp = list_first_entry(&dop->dop_pending, > > > > + struct xfs_defer_pending, dfp_list); > > > > + done_item = dfp->dfp_type->create_done(*tp, dfp->dfp_intent, > > > > + dfp->dfp_count); > > > > + cleanup_fn = dfp->dfp_type->finish_cleanup; > > > > + > > > > + /* Finish the work items. */ > > > > + state = NULL; > > > > + list_for_each_safe(li, n, &dfp->dfp_work) { > > > > + list_del(li); > > > > + dfp->dfp_count--; > > > > + error = dfp->dfp_type->finish_item(*tp, dop, li, > > > > + done_item, &state); > > > > + if (error == -EAGAIN) { > > > > + /* > > > > + * If the caller needs to try again, put the > > > > + * item back on the pending list and jump out > > > > + * for further processing. > > > > > > A little confused by the terminology here. Perhaps better to say "back > > > on the work list" rather than "pending list?" > > > > Yes. > > > > > Also, what is the meaning/purpose of -EAGAIN here? This isn't used by > > > the extent free bits so I'm missing some context. > > > > Generally, the ->finish_item() uses -EAGAIN to signal that it couldn't finish > > the work item and that it's necessary to log a new redo item and try again. > > > > Ah, Ok. So it is explicitly part of the dfops interface/infrastructure. > I think that is worth documenting above with a comment (i.e., "certain > callers might require many transactions, use -EAGAIN to indicate ... > blah blah"). > > > Practically, the only user of this mechanism is the refcountbt adjust function. > > It might be the case that we want to adjust N blocks, but some pathological > > user has creatively used reflink to create many refcount records. In that > > case we could blow out the transaction reservation logging all the updates. > > > > To avoid that, the refcount code tries to guess (conservatively) when it > > might be getting close and returns a short *adjusted. See the call sites of > > xfs_refcount_still_have_space(). Next, xfs_trans_log_finish_refcount_update() > > will notice the short adjust returned and fixes up the CUD item to have a > > reduced cud_nextents and to reflect where the operation stopped. Then, > > xfs_refcount_update_finish_item() notices the short return, updates the work > > item list, and returns -EAGAIN. Finally, xfs_defer_finish() sees the -EAGAIN > > and requeues the work item so that we resume refcount adjusting after the > > transaction rolls. > > > > Hmm, this makes me think that maybe it is better to split this up into > two patches for now after all. I'm expecting this is going to be merged > along with the rmap bits before the refcount stuff and I'm not a huge > fan of putting in infrastructure code without users, moreso without > fully understanding how/why said code is going to be used (and I'm not > really looking to jump ahead into the refcount stuff yet). <nod> > > > For example, is there > > > an issue with carrying a done_item with an unexpected list count? > > > > AFAICT, nothing in log recovery ever checks that the list counts of the > > intent and done items actually match, let alone the extents logged with > > them. It only seems to care if there's an efd such that efd->efd_efi_id == > > efi->efi_id, in which case it won't replay the efi. > > > > Yeah, I didn't notice any issues with respect to EFI/EFD handling, > though I didn't look too hard because it doesn't use this -EAGAIN > mechanism. If it did, I think you might hit the odd ASSERT() check here > or there (see xfs_efd_item_format()), but that's probably not > catastrophic. I think it also affects the size of the transaction > written to the log, fwiw. Yes, xfs_trans_log_finish_refcount_update fixes the list count in the CUD to avoid triggering the ASSERT in xfs_cud_item_format(). > I ask more because it's unexpected to have a structure with a list count > that doesn't match the actual number of items and I don't see it called > out anywhere. This might be another good reason to punt this part off to > the reflink series... > > > I don't know if that was a deliberate part of the log design, but the > > lack of checking helps us here. > > > > > Is it > > > expected that xfs_defer_finish() will not return until -EAGAIN is > > > "cleared" (does relogging below and rolling somehow address this)? > > > > Yes, relogging and rolling gives us a fresh transaction with which to > > continue updating. > > > > > > + */ > > > > + list_add(li, &dfp->dfp_work); > > > > + dfp->dfp_count++; > > > > + break; > > > > + } else if (error) { > > > > + /* > > > > + * Clean up after ourselves and jump out. > > > > + * xfs_defer_cancel will take care of freeing > > > > + * all these lists and stuff. > > > > + */ > > > > + if (cleanup_fn) > > > > + cleanup_fn(*tp, state, error); > > > > + xfs_defer_trans_abort(*tp, dop, error); > > > > + goto out; > > > > + } > > > > + } > > > > + if (error == -EAGAIN) { > > > > + /* > > > > + * Log a new intent, relog all the remaining work > > > > + * item to the new intent, attach the new intent to > > > > + * the dfp, and leave the dfp at the head of the list > > > > + * for further processing. > > > > + */ > > > > > > Similar to the above, could you elaborate on the mechanics of this with > > > respect to the log? E.g., the comment kind of just repeats what the > > > code does as opposed to explain why it's here. Is the point here to log > > > a new intent in the same transaction as the done item to ensure that we > > > (atomically) indicate that certain operations need to be replayed if > > > this transaction hits the log and then we crash? > > > > Yes. > > > > "This effectively replaces the old intent item with a new one listing only > > the work items that were not completed when ->finish_item() returned -EAGAIN. > > After the subsequent transaction roll, we'll resume where we left off with a > > fresh transaction." > > > > I'd point out the relevance of doing so in the same transaction, > otherwise sounds good. Ok. --D > > Brian > > > Thank you for the review! > > > > --D > > > > > Brian > > > > > > > + dfp->dfp_intent = dfp->dfp_type->create_intent(*tp, > > > > + dfp->dfp_count); > > > > + list_for_each(li, &dfp->dfp_work) > > > > + dfp->dfp_type->log_item(*tp, dfp->dfp_intent, > > > > + li); > > > > + } else { > > > > + /* Done with the dfp, free it. */ > > > > + list_del(&dfp->dfp_list); > > > > + kmem_free(dfp); > > > > + } > > > > + > > > > + if (cleanup_fn) > > > > + cleanup_fn(*tp, state, error); > > > > + } > > > > + > > > > +out: > > > > + return error; > > > > +} > > > > + > > > > +/* > > > > + * Free up any items left in the list. > > > > + */ > > > > +void > > > > +xfs_defer_cancel( > > > > + struct xfs_defer_ops *dop) > > > > +{ > > > > + struct xfs_defer_pending *dfp; > > > > + struct xfs_defer_pending *pli; > > > > + struct list_head *pwi; > > > > + struct list_head *n; > > > > + > > > > + /* > > > > + * Free the pending items. Caller should already have arranged > > > > + * for the intent items to be released. > > > > + */ > > > > + list_for_each_entry_safe(dfp, pli, &dop->dop_intake, dfp_list) { > > > > + list_del(&dfp->dfp_list); > > > > + list_for_each_safe(pwi, n, &dfp->dfp_work) { > > > > + list_del(pwi); > > > > + dfp->dfp_count--; > > > > + dfp->dfp_type->cancel_item(pwi); > > > > + } > > > > + ASSERT(dfp->dfp_count == 0); > > > > + kmem_free(dfp); > > > > + } > > > > + list_for_each_entry_safe(dfp, pli, &dop->dop_pending, dfp_list) { > > > > + list_del(&dfp->dfp_list); > > > > + list_for_each_safe(pwi, n, &dfp->dfp_work) { > > > > + list_del(pwi); > > > > + dfp->dfp_count--; > > > > + dfp->dfp_type->cancel_item(pwi); > > > > + } > > > > + ASSERT(dfp->dfp_count == 0); > > > > + kmem_free(dfp); > > > > + } > > > > +} > > > > + > > > > +/* Add an item for later deferred processing. */ > > > > +void > > > > +xfs_defer_add( > > > > + struct xfs_defer_ops *dop, > > > > + enum xfs_defer_ops_type type, > > > > + struct list_head *li) > > > > +{ > > > > + struct xfs_defer_pending *dfp = NULL; > > > > + > > > > + /* > > > > + * Add the item to a pending item at the end of the intake list. > > > > + * If the last pending item has the same type, reuse it. Else, > > > > + * create a new pending item at the end of the intake list. > > > > + */ > > > > + if (!list_empty(&dop->dop_intake)) { > > > > + dfp = list_last_entry(&dop->dop_intake, > > > > + struct xfs_defer_pending, dfp_list); > > > > + if (dfp->dfp_type->type != type || > > > > + (dfp->dfp_type->max_items && > > > > + dfp->dfp_count >= dfp->dfp_type->max_items)) > > > > + dfp = NULL; > > > > + } > > > > + if (!dfp) { > > > > + dfp = kmem_alloc(sizeof(struct xfs_defer_pending), > > > > + KM_SLEEP | KM_NOFS); > > > > + dfp->dfp_type = defer_op_types[type]; > > > > + dfp->dfp_committed = false; > > > > + dfp->dfp_intent = NULL; > > > > + dfp->dfp_count = 0; > > > > + INIT_LIST_HEAD(&dfp->dfp_work); > > > > + list_add_tail(&dfp->dfp_list, &dop->dop_intake); > > > > + } > > > > + > > > > + list_add_tail(li, &dfp->dfp_work); > > > > + dfp->dfp_count++; > > > > +} > > > > + > > > > +/* Initialize a deferred operation list. */ > > > > +void > > > > +xfs_defer_init_op_type( > > > > + const struct xfs_defer_op_type *type) > > > > +{ > > > > + defer_op_types[type->type] = type; > > > > +} > > > > + > > > > +/* Initialize a deferred operation. */ > > > > +void > > > > +xfs_defer_init( > > > > + struct xfs_defer_ops *dop, > > > > + xfs_fsblock_t *fbp) > > > > +{ > > > > + dop->dop_committed = false; > > > > + dop->dop_low = false; > > > > + memset(&dop->dop_inodes, 0, sizeof(dop->dop_inodes)); > > > > + *fbp = NULLFSBLOCK; > > > > + INIT_LIST_HEAD(&dop->dop_intake); > > > > + INIT_LIST_HEAD(&dop->dop_pending); > > > > +} > > > > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > > > > new file mode 100644 > > > > index 0000000..85c7a3a > > > > --- /dev/null > > > > +++ b/fs/xfs/libxfs/xfs_defer.h > > > > @@ -0,0 +1,96 @@ > > > > +/* > > > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > > > + * > > > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > > > + * > > > > + * This program is free software; you can redistribute it and/or > > > > + * modify it under the terms of the GNU General Public License > > > > + * as published by the Free Software Foundation; either version 2 > > > > + * of the License, or (at your option) any later version. > > > > + * > > > > + * This program is distributed in the hope that it would be useful, > > > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > > > + * GNU General Public License for more details. > > > > + * > > > > + * You should have received a copy of the GNU General Public License > > > > + * along with this program; if not, write the Free Software Foundation, > > > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > > > + */ > > > > +#ifndef __XFS_DEFER_H__ > > > > +#define __XFS_DEFER_H__ > > > > + > > > > +struct xfs_defer_op_type; > > > > + > > > > +/* > > > > + * Save a log intent item and a list of extents, so that we can replay > > > > + * whatever action had to happen to the extent list and file the log done > > > > + * item. > > > > + */ > > > > +struct xfs_defer_pending { > > > > + const struct xfs_defer_op_type *dfp_type; /* function pointers */ > > > > + struct list_head dfp_list; /* pending items */ > > > > + bool dfp_committed; /* committed trans? */ > > > > + void *dfp_intent; /* log intent item */ > > > > + struct list_head dfp_work; /* work items */ > > > > + unsigned int dfp_count; /* # extent items */ > > > > +}; > > > > + > > > > +/* > > > > + * Header for deferred operation list. > > > > + * > > > > + * dop_low is used by the allocator to activate the lowspace algorithm - > > > > + * when free space is running low the extent allocator may choose to > > > > + * allocate an extent from an AG without leaving sufficient space for > > > > + * a btree split when inserting the new extent. In this case the allocator > > > > + * will enable the lowspace algorithm which is supposed to allow further > > > > + * allocations (such as btree splits and newroots) to allocate from > > > > + * sequential AGs. In order to avoid locking AGs out of order the lowspace > > > > + * algorithm will start searching for free space from AG 0. If the correct > > > > + * transaction reservations have been made then this algorithm will eventually > > > > + * find all the space it needs. > > > > + */ > > > > +enum xfs_defer_ops_type { > > > > + XFS_DEFER_OPS_TYPE_MAX, > > > > +}; > > > > + > > > > +#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */ > > > > + > > > > +struct xfs_defer_ops { > > > > + bool dop_committed; /* did any trans commit? */ > > > > + bool dop_low; /* alloc in low mode */ > > > > + struct list_head dop_intake; /* unlogged pending work */ > > > > + struct list_head dop_pending; /* logged pending work */ > > > > + > > > > + /* relog these inodes with each roll */ > > > > + struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES]; > > > > +}; > > > > + > > > > +void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type, > > > > + struct list_head *h); > > > > +int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop, > > > > + struct xfs_inode *ip); > > > > +void xfs_defer_cancel(struct xfs_defer_ops *dop); > > > > +void xfs_defer_init(struct xfs_defer_ops *dop, xfs_fsblock_t *fbp); > > > > +bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop); > > > > +int xfs_defer_join(struct xfs_defer_ops *dop, struct xfs_inode *ip); > > > > + > > > > +/* Description of a deferred type. */ > > > > +struct xfs_defer_op_type { > > > > + enum xfs_defer_ops_type type; > > > > + unsigned int max_items; > > > > + void (*abort_intent)(void *); > > > > + void *(*create_done)(struct xfs_trans *, void *, unsigned int); > > > > + int (*finish_item)(struct xfs_trans *, struct xfs_defer_ops *, > > > > + struct list_head *, void *, void **); > > > > + void (*finish_cleanup)(struct xfs_trans *, void *, int); > > > > + void (*cancel_item)(struct list_head *); > > > > + int (*diff_items)(void *, struct list_head *, struct list_head *); > > > > + void *(*create_intent)(struct xfs_trans *, uint); > > > > + void (*log_item)(struct xfs_trans *, void *, struct list_head *); > > > > +}; > > > > + > > > > +void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); > > > > +void xfs_defer_init_types(void); > > > > + > > > > +#endif /* __XFS_DEFER_H__ */ > > > > diff --git a/fs/xfs/xfs_defer_item.c b/fs/xfs/xfs_defer_item.c > > > > new file mode 100644 > > > > index 0000000..849088d > > > > --- /dev/null > > > > +++ b/fs/xfs/xfs_defer_item.c > > > > @@ -0,0 +1,36 @@ > > > > +/* > > > > + * Copyright (C) 2016 Oracle. All Rights Reserved. > > > > + * > > > > + * Author: Darrick J. Wong <darrick.wong@oracle.com> > > > > + * > > > > + * This program is free software; you can redistribute it and/or > > > > + * modify it under the terms of the GNU General Public License > > > > + * as published by the Free Software Foundation; either version 2 > > > > + * of the License, or (at your option) any later version. > > > > + * > > > > + * This program is distributed in the hope that it would be useful, > > > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > > > + * GNU General Public License for more details. > > > > + * > > > > + * You should have received a copy of the GNU General Public License > > > > + * along with this program; if not, write the Free Software Foundation, > > > > + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. > > > > + */ > > > > +#include "xfs.h" > > > > +#include "xfs_fs.h" > > > > +#include "xfs_shared.h" > > > > +#include "xfs_format.h" > > > > +#include "xfs_log_format.h" > > > > +#include "xfs_trans_resv.h" > > > > +#include "xfs_bit.h" > > > > +#include "xfs_sb.h" > > > > +#include "xfs_mount.h" > > > > +#include "xfs_defer.h" > > > > +#include "xfs_trans.h" > > > > + > > > > +/* Initialize the deferred operation types. */ > > > > +void > > > > +xfs_defer_init_types(void) > > > > +{ > > > > +} > > > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > > > > index 09722a7..bf63f6d 100644 > > > > --- a/fs/xfs/xfs_super.c > > > > +++ b/fs/xfs/xfs_super.c > > > > @@ -46,6 +46,7 @@ > > > > #include "xfs_quota.h" > > > > #include "xfs_sysfs.h" > > > > #include "xfs_ondisk.h" > > > > +#include "xfs_defer.h" > > > > > > > > #include <linux/namei.h> > > > > #include <linux/init.h> > > > > @@ -1850,6 +1851,7 @@ init_xfs_fs(void) > > > > printk(KERN_INFO XFS_VERSION_STRING " with " > > > > XFS_BUILD_OPTIONS " enabled\n"); > > > > > > > > + xfs_defer_init_types(); > > > > xfs_dir_startup(); > > > > > > > > error = xfs_init_zones(); > > > > > > > > _______________________________________________ > > > > xfs mailing list > > > > xfs@oss.sgi.com > > > > http://oss.sgi.com/mailman/listinfo/xfs > > > > _______________________________________________ > > xfs mailing list > > xfs@oss.sgi.com > > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Tue Jun 28 14:13:49 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id EF9807CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 14:13:49 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id C2069304039 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 12:13:46 -0700 (PDT) X-ASG-Debug-ID: 1467141223-04cb6c063f247c10001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id EuO7w3W3cikfTaoH (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 12:13:43 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5SJDACR013697 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 19:13:10 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5SJD8Cp026735 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 19:13:08 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5SJD5S4022505; Tue, 28 Jun 2016 19:13:06 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 12:13:05 -0700 Date: Tue, 28 Jun 2016 12:13:02 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Bart Van Assche <bart.vanassche@gmail.com> Cc: "axboe@kernel.dk" <axboe@kernel.dk>, "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>, "tytso@mit.edu" <tytso@mit.edu>, "martin.petersen@oracle.com" <martin.petersen@oracle.com>, "snitzer@redhat.com" <snitzer@redhat.com>, "linux-api@vger.kernel.org" <linux-api@vger.kernel.org>, "bfoster@redhat.com" <bfoster@redhat.com>, "xfs@oss.sgi.com" <xfs@oss.sgi.com>, "hch@infradead.org" <hch@infradead.org>, "dm-devel@redhat.com" <dm-devel@redhat.com>, "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>, Christoph Hellwig <hch@lst.de> Subject: Re: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. Message-ID: <20160628191302.GE16181@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. References: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> <146612625412.12764.6647932282740152837.stgit@birch.djwong.org> <7589fc01-a000-a912-f9b5-cf099cc2d27a@acm.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7589fc01-a000-a912-f9b5-cf099cc2d27a@acm.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467141223 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2941 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30839 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Mon, Jun 20, 2016 at 02:35:29PM +0200, Bart Van Assche wrote: > On 06/17/2016 03:18 AM, Darrick J. Wong wrote: > >Invalidate the page cache (as a regular O_DIRECT write would do) to avoid > >returning stale cache contents at a later time. > > > >v5: Refactor the 4.4 refactoring of the ioctl code into separate functions. > >Split the page invalidation and the new ioctl into separate patches. > > > >Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > >Reviewed-by: Christoph Hellwig <hch@lst.de> > >--- > > block/ioctl.c | 29 +++++++++++++++++++++++------ > > 1 file changed, 23 insertions(+), 6 deletions(-) > > > > > >diff --git a/block/ioctl.c b/block/ioctl.c > >index ed2397f..d001f52 100644 > >--- a/block/ioctl.c > >+++ b/block/ioctl.c > >@@ -225,7 +225,9 @@ static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode, > > unsigned long arg) > > { > > uint64_t range[2]; > >- uint64_t start, len; > >+ struct address_space *mapping; > >+ uint64_t start, end, len; > >+ int ret; > > > > if (!(mode & FMODE_WRITE)) > > return -EBADF; > >@@ -235,18 +237,33 @@ static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode, > > > > start = range[0]; > > len = range[1]; > >+ end = start + len - 1; > > > > if (start & 511) > > return -EINVAL; > > if (len & 511) > > return -EINVAL; > >- start >>= 9; > >- len >>= 9; > >- > >- if (start + len > (i_size_read(bdev->bd_inode) >> 9)) > >+ if (end >= (uint64_t)i_size_read(bdev->bd_inode)) > >+ return -EINVAL; > >+ if (end < start) > > return -EINVAL; > > > >- return blkdev_issue_zeroout(bdev, start, len, GFP_KERNEL, false); > >+ /* Invalidate the page cache, including dirty pages */ > >+ mapping = bdev->bd_inode->i_mapping; > >+ truncate_inode_pages_range(mapping, start, end); > >+ > >+ ret = blkdev_issue_zeroout(bdev, start >> 9, len >> 9, GFP_KERNEL, > >+ false); > >+ if (ret) > >+ return ret; > >+ > >+ /* > >+ * Invalidate again; if someone wandered in and dirtied a page, > >+ * the caller will be given -EBUSY. > >+ */ > >+ return invalidate_inode_pages2_range(mapping, > >+ start >> PAGE_SHIFT, > >+ end >> PAGE_SHIFT); > > } > > Hello Darrick, > > Maybe this has already been discussed, but anyway: in the POSIX spec > (http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html) I > found the following: "This volume of POSIX.1-2008 does not specify behavior > of concurrent writes to a file from multiple processes. Applications should > use some form of concurrency control." > > Do we really need the invalidate_inode_pages2_range() call? It's not strictly necessary. I like the idea of having the kernel bonking userspace when they don't coordinate and collide, but we could just jump out after the blkdev_*() calls and let userspace fend for themselves. :) --D > > Thanks, > > Bart. > From darrick.wong@oracle.com Tue Jun 28 14:20:02 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id BC9067CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 14:20:02 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 3BC61AC004 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 12:19:59 -0700 (PDT) X-ASG-Debug-ID: 1467141595-04cbb0273630f190001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id FfYlQyewwqybNqFb (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 12:19:56 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5SJJVS2021407 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 19:19:32 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5SJJVGh008387 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 28 Jun 2016 19:19:31 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5SJJU84020988; Tue, 28 Jun 2016 19:19:31 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 12:19:30 -0700 Date: Tue, 28 Jun 2016 12:19:29 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Christoph Hellwig <hch@infradead.org> Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 001/119] vfs: fix return type of ioctl_file_dedupe_range Message-ID: <20160628191929.GC4917@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 001/119] vfs: fix return type of ioctl_file_dedupe_range References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612627940.12839.15145788608361492501.stgit@birch.djwong.org> <20160617113223.GA19042@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160617113223.GA19042@infradead.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467141596 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 627 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30839 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Fri, Jun 17, 2016 at 04:32:23AM -0700, Christoph Hellwig wrote: > On Thu, Jun 16, 2016 at 06:17:59PM -0700, Darrick J. Wong wrote: > > All the VFS functions in the dedupe ioctl path return int status, so > > the ioctl handler ought to as well. > > > > Found by Coverity, CID 1350952. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > This should go out to Al as a separate patch. I sent it to him back in February, though he hasn't responded. --D > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From security@adminmail.cn Tue Jun 28 18:32:49 2016 Return-Path: <security@adminmail.cn> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HTML_MESSAGE,T_REMOTE_IMAGE autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 309E17CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 18:32:49 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id D5E35304032 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 16:32:45 -0700 (PDT) X-ASG-Debug-ID: 1467156756-04bdf074b61b7270001-NocioJ Received: from relay2.e-rxplanet.biz (relay2.e-rxplanet.biz [188.40.98.83]) by cuda.sgi.com with ESMTP id imNAJ7gt82ufIUvp for <xfs@oss.sgi.com>; 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Tue, 28 Jun 2016 22:37:01 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 0F1C1304048 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 20:36:58 -0700 (PDT) X-ASG-Debug-ID: 1467171412-04cbb02738332d20001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id NiMcxux8bwlD1DNV (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 20:36:53 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5T3ap5m032118 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Jun 2016 03:36:51 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5T3aowr010153 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Jun 2016 03:36:51 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5T3aoX1001729; Wed, 29 Jun 2016 03:36:50 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 20:36:49 -0700 Date: Tue, 28 Jun 2016 20:36:48 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: david@fromorbit.com Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com Subject: [PATCH 21/20] xfs/128: cycle_mount the scratch device, not the test device Message-ID: <20160629033648.GA7108@birch.djwong.org> X-ASG-Orig-Subj: [PATCH 21/20] xfs/128: cycle_mount the scratch device, not the test device References: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612796204.25024.18254357523133394284.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467171413 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1672 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30851 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines This test uses the scratch device, so cycle that, not the test dev. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> --- tests/xfs/128 | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tests/xfs/128 b/tests/xfs/128 index 8758d7e..2e756d5 100755 --- a/tests/xfs/128 +++ b/tests/xfs/128 @@ -66,7 +66,7 @@ _pwrite_byte 0x61 0 $((blks * blksz)) $testdir/file1 >> $seqres.full _cp_reflink $testdir/file1 $testdir/file2 _cp_reflink $testdir/file2 $testdir/file3 _cp_reflink $testdir/file3 $testdir/file4 -_test_cycle_mount +_scratch_cycle_mount free_blocks1=$(stat -f $testdir -c '%f') md5sum $testdir/file1 | _filter_scratch @@ -82,7 +82,7 @@ c04=$(_md5_checksum $testdir/file4) echo "CoW the reflink copies" _pwrite_byte 0x62 $blksz $blksz $testdir/file2 >> $seqres.full _pwrite_byte 0x63 $(( blksz * (blks - 1) )) $blksz $testdir/file3 >> $seqres.full -_test_cycle_mount +_scratch_cycle_mount free_blocks2=$(stat -f $testdir -c '%f') md5sum $testdir/file1 | _filter_scratch @@ -97,11 +97,12 @@ c14=$(_md5_checksum $testdir/file4) echo "Defragment" lsattr -l $testdir/ | _filter_scratch | _filter_spaces +filefrag -v $testdir/file* >> $seqres.full $XFS_FSR_PROG -v -d $testdir/file1 >> $seqres.full $XFS_FSR_PROG -v -d $testdir/file2 >> $seqres.full # fsr probably breaks the link $XFS_FSR_PROG -v -d $testdir/file3 >> $seqres.full # fsr probably breaks the link $XFS_FSR_PROG -v -d $testdir/file4 >> $seqres.full # fsr probably ignores this file -_test_cycle_mount +_scratch_cycle_mount free_blocks3=$(stat -f $testdir -c '%f') md5sum $testdir/file1 | _filter_scratch From darrick.wong@oracle.com Tue Jun 28 23:21:22 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4B19B7CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 23:21:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 0C65F8F8050 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 21:21:18 -0700 (PDT) X-ASG-Debug-ID: 1467174074-04bdf074b51c6670001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id QV5BMD3i26WFpQYI (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 21:21:15 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5T4LAmR021947 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 29 Jun 2016 04:21:10 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5T4L9cZ012594 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 29 Jun 2016 04:21:09 GMT Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u5T4L8ji018900; Wed, 29 Jun 2016 04:21:08 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 21:21:07 -0700 Date: Tue, 28 Jun 2016 21:21:06 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Dave Chinner <david@fromorbit.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH 10/11] xfs: simplify inode reclaim tagging interfaces Message-ID: <20160629042106.GD4917@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 10/11] xfs: simplify inode reclaim tagging interfaces References: <1460525492-1170-1-git-send-email-david@fromorbit.com> <1460525492-1170-11-git-send-email-david@fromorbit.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1460525492-1170-11-git-send-email-david@fromorbit.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1467174075 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9286 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30853 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Wed, Apr 13, 2016 at 03:31:31PM +1000, Dave Chinner wrote: > From: Dave Chinner <dchinner@redhat.com> > > Inode radix tree tagging for reclaim passes a lot of unnecessary > variables around. Over time the xfs-perag has grown a xfs_mount > backpointer, and an internal agno so we don't need to pass other > variables into the tagging functions to supply this information. > > Rework the functions to pass the minimal variable set required > and simplify the internal logic and flow. > > Signed-off-by: Dave Chinner <dchinner@redhat.com> > --- > fs/xfs/xfs_icache.c | 97 +++++++++++++++++++++++++++-------------------------- > 1 file changed, 49 insertions(+), 48 deletions(-) > > diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c > index a60db43..927e7b0 100644 > --- a/fs/xfs/xfs_icache.c > +++ b/fs/xfs/xfs_icache.c > @@ -37,8 +37,7 @@ > #include <linux/kthread.h> > #include <linux/freezer.h> > > -STATIC void __xfs_inode_clear_reclaim_tag(struct xfs_mount *mp, > - struct xfs_perag *pag, struct xfs_inode *ip); > +STATIC void xfs_inode_clear_reclaim_tag(struct xfs_perag *pag, xfs_ino_t ino); > > /* > * Allocate and initialise an xfs_inode. > @@ -271,7 +270,7 @@ xfs_iget_cache_hit( > */ > ip->i_flags &= ~XFS_IRECLAIM_RESET_FLAGS; > ip->i_flags |= XFS_INEW; > - __xfs_inode_clear_reclaim_tag(mp, pag, ip); > + xfs_inode_clear_reclaim_tag(pag, ip->i_ino); > inode->i_state = I_NEW; > > ASSERT(!rwsem_is_locked(&ip->i_iolock.mr_lock)); > @@ -768,29 +767,44 @@ xfs_reclaim_worker( > } > > static void > -__xfs_inode_set_reclaim_tag( > +xfs_perag_set_reclaim_tag( > struct xfs_perag *pag, > - struct xfs_inode *ip) > + xfs_ino_t ino) > { > - radix_tree_tag_set(&pag->pag_ici_root, > - XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), > + struct xfs_mount *mp = pag->pag_mount; > + > + ASSERT(spin_is_locked(&pag->pag_ici_lock)); Hmm. On (only) ppc64, I see the following splat on umount: [ 1598.584616] XFS: Assertion failed: spin_is_locked(&pag->pag_ici_lock), file: /raid/home/djwong/cdev/work/linux-mcsum/fs/xfs/xfs_icache.c, line: 216 [ 1598.584799] ------------[ cut here ]------------ [ 1598.585262] WARNING: CPU: 0 PID: 9144 at /raid/home/djwong/cdev/work/linux-mcsum/fs/xfs/xfs_message.c:105 .asswarn+0x48/0x70 [xfs] [ 1598.585318] Modules linked in: xfs libcrc32c sg sch_fq_codel autofs4 hid_generic usbhid hid xhci_pci xhci_hcd sd_mod [ 1598.585518] CPU: 0 PID: 9144 Comm: umount Tainted: G W 4.7.0-rc5-pcsum #1 [ 1598.585566] task: c000000069621bd0 ti: c000000069668000 task.ti: c000000069668000 [ 1598.585608] NIP: d000000001942658 LR: d000000001942658 CTR: c0000000003e4e30 [ 1598.585651] REGS: c00000006966b300 TRAP: 0700 Tainted: G W (4.7.0-rc5-pcsum) [ 1598.585691] MSR: 800000000282b032 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI> CR: 28242448 XER: 00000000 [ 1598.585854] CFAR: d000000001942374 SOFTE: 1 GPR00: d000000001942658 c00000006966b580 d0000000019ff908 ffffffffffffffea GPR04: 000000000000000a c00000006966b390 00000000000000d1 ffffffffffffffc0 GPR08: 0000000000000000 0000000000000021 00000000ffffffd1 d0000000019b01d0 GPR12: c0000000003e4e30 c00000000fff0000 0000000010110000 c00000007922eb80 GPR16: 0000000040000000 0000000020000000 0000000000000000 c00000007922ebe8 GPR20: 0000000000000004 c00000007922ebd0 c00000006966b9d0 0000000000000001 GPR24: 0000000000600081 c00000007922eb80 c000000069668000 c000000069668000 GPR28: c00000006966b710 d0000000019aef20 d0000000019aee90 00000000000000d8 [ 1598.586844] NIP [d000000001942658] .asswarn+0x48/0x70 [xfs] [ 1598.587242] LR [d000000001942658] .asswarn+0x48/0x70 [xfs] [ 1598.587281] Call Trace: [ 1598.587669] [c00000006966b580] [d000000001942658] .asswarn+0x48/0x70 [xfs] (unreliable) [ 1598.588098] [c00000006966b610] [d00000000192d308] .xfs_perag_clear_reclaim_tag+0x48/0x1a0 [xfs] [ 1598.588597] [c00000006966b6a0] [d00000000192d7a8] .xfs_reclaim_inode+0x2d8/0x600 [xfs] [ 1598.589027] [c00000006966b760] [d00000000192dc8c] .xfs_reclaim_inodes_ag+0x1bc/0x390 [xfs] [ 1598.589451] [c00000006966b960] [d00000000192ff28] .xfs_reclaim_inodes+0x38/0x50 [xfs] [ 1598.589875] [c00000006966b9f0] [d000000001944754] .xfs_unmountfs+0xb4/0x280 [xfs] [ 1598.590297] [c00000006966ba90] [d00000000194cd48] .xfs_fs_put_super+0x48/0xa0 [xfs] [ 1598.590382] [c00000006966bb10] [c0000000002527f8] .generic_shutdown_super+0xb8/0x180 [ 1598.590455] [c00000006966bb90] [c000000000252e18] .kill_block_super+0x38/0xa0 [ 1598.590521] [c00000006966bc20] [c000000000253104] .deactivate_locked_super+0xa4/0xf0 [ 1598.590594] [c00000006966bca0] [c00000000027c73c] .cleanup_mnt+0x5c/0xa0 [ 1598.590671] [c00000006966bd20] [c0000000000a44bc] .task_work_run+0xbc/0x100 [ 1598.590748] [c00000006966bdb0] [c000000000015598] .do_notify_resume+0xf8/0x100 [ 1598.590826] [c00000006966be30] [c0000000000094b0] .ret_from_except_lite+0x5c/0x60 [ 1598.590884] Instruction dump: [ 1598.590942] 7c7d1b78 7c9e2378 7cbf2b78 48000008 e8410028 3d220000 38600000 e889c190 [ 1598.591109] 7fa5eb78 7fc6f378 7fe7fb78 4bfffc5d <0fe00000> 38210090 e8010010 eba1ffe8 [ 1598.591281] ---[ end trace dea443eeb71bd63f ]--- Not sure if it's the rmap/reflink patchset that's to blame, or what. It's kinda late, so I'm going to set this aside for debugging tomorrow. (x64/i386/armhf seem fine for whatever reason) --D > + if (pag->pag_ici_reclaimable++) > + return; > + > + /* propagate the reclaim tag up into the perag radix tree */ > + spin_lock(&mp->m_perag_lock); > + radix_tree_tag_set(&mp->m_perag_tree, pag->pag_agno, > XFS_ICI_RECLAIM_TAG); > + spin_unlock(&mp->m_perag_lock); > > - if (!pag->pag_ici_reclaimable) { > - /* propagate the reclaim tag up into the perag radix tree */ > - spin_lock(&ip->i_mount->m_perag_lock); > - radix_tree_tag_set(&ip->i_mount->m_perag_tree, > - XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino), > - XFS_ICI_RECLAIM_TAG); > - spin_unlock(&ip->i_mount->m_perag_lock); > + /* schedule periodic background inode reclaim */ > + xfs_reclaim_work_queue(mp); > > - /* schedule periodic background inode reclaim */ > - xfs_reclaim_work_queue(ip->i_mount); > + trace_xfs_perag_set_reclaim(mp, pag->pag_agno, -1, _RET_IP_); > +} > > - trace_xfs_perag_set_reclaim(ip->i_mount, pag->pag_agno, > - -1, _RET_IP_); > - } > - pag->pag_ici_reclaimable++; > +static void > +xfs_perag_clear_reclaim_tag( > + struct xfs_perag *pag) > +{ > + struct xfs_mount *mp = pag->pag_mount; > + > + ASSERT(spin_is_locked(&pag->pag_ici_lock)); > + if (--pag->pag_ici_reclaimable) > + return; > + > + /* clear the reclaim tag from the perag radix tree */ > + spin_lock(&mp->m_perag_lock); > + radix_tree_tag_clear(&mp->m_perag_tree, pag->pag_agno, > + XFS_ICI_RECLAIM_TAG); > + spin_unlock(&mp->m_perag_lock); > + trace_xfs_perag_clear_reclaim(mp, pag->pag_agno, -1, _RET_IP_); > } > > /* > @@ -800,48 +814,35 @@ __xfs_inode_set_reclaim_tag( > */ > void > xfs_inode_set_reclaim_tag( > - xfs_inode_t *ip) > + struct xfs_inode *ip) > { > - struct xfs_mount *mp = ip->i_mount; > - struct xfs_perag *pag; > + struct xfs_mount *mp = ip->i_mount; > + struct xfs_perag *pag; > > pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); > spin_lock(&pag->pag_ici_lock); > spin_lock(&ip->i_flags_lock); > - __xfs_inode_set_reclaim_tag(pag, ip); > + > + radix_tree_tag_set(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ip->i_ino), > + XFS_ICI_RECLAIM_TAG); > + xfs_perag_set_reclaim_tag(pag, ip->i_ino); > __xfs_iflags_set(ip, XFS_IRECLAIMABLE); > + > spin_unlock(&ip->i_flags_lock); > spin_unlock(&pag->pag_ici_lock); > xfs_perag_put(pag); > } > > -STATIC void > -__xfs_inode_clear_reclaim( > - xfs_perag_t *pag, > - xfs_inode_t *ip) > -{ > - pag->pag_ici_reclaimable--; > - if (!pag->pag_ici_reclaimable) { > - /* clear the reclaim tag from the perag radix tree */ > - spin_lock(&ip->i_mount->m_perag_lock); > - radix_tree_tag_clear(&ip->i_mount->m_perag_tree, > - XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino), > - XFS_ICI_RECLAIM_TAG); > - spin_unlock(&ip->i_mount->m_perag_lock); > - trace_xfs_perag_clear_reclaim(ip->i_mount, pag->pag_agno, > - -1, _RET_IP_); > - } > -} > > STATIC void > -__xfs_inode_clear_reclaim_tag( > - xfs_mount_t *mp, > - xfs_perag_t *pag, > - xfs_inode_t *ip) > +xfs_inode_clear_reclaim_tag( > + struct xfs_perag *pag, > + xfs_ino_t ino) > { > radix_tree_tag_clear(&pag->pag_ici_root, > - XFS_INO_TO_AGINO(mp, ip->i_ino), XFS_ICI_RECLAIM_TAG); > - __xfs_inode_clear_reclaim(pag, ip); > + XFS_INO_TO_AGINO(pag->pag_mount, ino), > + XFS_ICI_RECLAIM_TAG); > + xfs_perag_clear_reclaim_tag(pag); > } > > /* > @@ -1032,7 +1033,7 @@ reclaim: > if (!radix_tree_delete(&pag->pag_ici_root, > XFS_INO_TO_AGINO(ip->i_mount, ino))) > ASSERT(0); > - __xfs_inode_clear_reclaim(pag, ip); > + xfs_perag_clear_reclaim_tag(pag); > spin_unlock(&pag->pag_ici_lock); > > /* > -- > 2.7.0 > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From martin.petersen@oracle.com Tue Jun 28 23:58:16 2016 Return-Path: <martin.petersen@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 87C487CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 23:58:16 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4B4898F8037 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 21:58:16 -0700 (PDT) X-ASG-Debug-ID: 1467176292-04cbb027363396c0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id F2PWmZf4EeYopHTt (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 21:58:13 -0700 (PDT) X-Barracuda-Envelope-From: martin.petersen@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5T4vdrW017247 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 29 Jun 2016 04:57:40 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u5T4vcp3002604 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 29 Jun 2016 04:57:39 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5T4vVw8023572; Wed, 29 Jun 2016 04:57:36 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 21:57:30 -0700 To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: axboe@kernel.dk, hch@infradead.org, tytso@mit.edu, martin.petersen@oracle.com, snitzer@redhat.com, linux-api@vger.kernel.org, bfoster@redhat.com, xfs@oss.sgi.com, linux-block@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@lst.de> Subject: Re: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. From: "Martin K. Petersen" <martin.petersen@oracle.com> X-ASG-Orig-Subj: Re: [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT. Organization: Oracle Corporation References: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> <146612625412.12764.6647932282740152837.stgit@birch.djwong.org> Date: Wed, 29 Jun 2016 00:57:27 -0400 In-Reply-To: <146612625412.12764.6647932282740152837.stgit@birch.djwong.org> (Darrick J. Wong's message of "Thu, 16 Jun 2016 18:17:34 -0700") Message-ID: <yq1shvwsibs.fsf@sermon.lab.mkp.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1467176293 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 329 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.01 X-Barracuda-Spam-Status: No, SCORE=0.01 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA_TO_FROM_DOMAIN_MATCH, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30853 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.01 BSF_SC0_SA_TO_FROM_DOMAIN_MATCH Sender Domain Matches Recipient Domain >>>>> "Darrick" == Darrick J Wong <darrick.wong@oracle.com> writes: Darrick> Invalidate the page cache (as a regular O_DIRECT write would Darrick> do) to avoid returning stale cache contents at a later time. Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> -- Martin K. Petersen Oracle Linux Engineering From martin.petersen@oracle.com Tue Jun 28 23:58:46 2016 Return-Path: <martin.petersen@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 757807CA1 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 23:58:46 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 37609304048 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 21:58:43 -0700 (PDT) X-ASG-Debug-ID: 1467176320-04bdf074b61c91b0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 3bw9JHbaod2EAau8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 21:58:41 -0700 (PDT) X-Barracuda-Envelope-From: martin.petersen@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5T4wB5o032726 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 29 Jun 2016 04:58:12 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5T4wBxZ023826 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 29 Jun 2016 04:58:11 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5T4wAnG023762; Wed, 29 Jun 2016 04:58:10 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 28 Jun 2016 21:58:09 -0700 To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: axboe@kernel.dk, hch@infradead.org, tytso@mit.edu, martin.petersen@oracle.com, snitzer@redhat.com, linux-api@vger.kernel.org, bfoster@redhat.com, xfs@oss.sgi.com, linux-block@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@lst.de> Subject: Re: [PATCH 2/3] block: require write_same and discard requests align to logical block size From: "Martin K. Petersen" <martin.petersen@oracle.com> X-ASG-Orig-Subj: Re: [PATCH 2/3] block: require write_same and discard requests align to logical block size Organization: Oracle Corporation References: <146612624734.12764.4316680863289411106.stgit@birch.djwong.org> <146612626092.12764.773833541076937471.stgit@birch.djwong.org> Date: Wed, 29 Jun 2016 00:58:06 -0400 In-Reply-To: <146612626092.12764.773833541076937471.stgit@birch.djwong.org> (Darrick J. Wong's message of "Thu, 16 Jun 2016 18:17:41 -0700") Message-ID: <yq1oa6ksiap.fsf@sermon.lab.mkp.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467176320 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 544 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.01 X-Barracuda-Spam-Status: No, SCORE=0.01 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, BSF_SC0_SA_TO_FROM_DOMAIN_MATCH, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30853 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 0.01 BSF_SC0_SA_TO_FROM_DOMAIN_MATCH Sender Domain Matches Recipient Domain >>>>> "Darrick" == Darrick J Wong <darrick.wong@oracle.com> writes: Darrick> Make sure that the offset and length arguments that we're using Darrick> to construct WRITE SAME and DISCARD requests are actually Darrick> aligned to the logical block size. Failure to do this causes Darrick> other errors in other parts of the block layer or the SCSI Darrick> layer because disks don't support partial logical block writes. Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> -- Martin K. Petersen Oracle Linux Engineering From david@fromorbit.com Wed Jun 29 00:08:29 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 52E587CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 00:08:29 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 137C5304048 for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 22:08:25 -0700 (PDT) X-ASG-Debug-ID: 1467176902-04bdf074b51c9d40001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id s45FHwRSZA3EsYwq for <xfs@oss.sgi.com>; Tue, 28 Jun 2016 22:08:22 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2DVLACQVnNXIHvHLHlbgz4iNH2CdoN5nk8CHAaBD4s2hgaCD4F7FwOFeASBNjoTAQEBAQEBAQYBAQEBAQFAQIUpOyQ0BSUDBy2IL6NjoDUOHoVCiiGBfQtAgkcFk06FNYYIiCmPLQKQASABgWoMAYI+KjKJPgEBAQ Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail05.adl6.internode.on.net with ESMTP; 29 Jun 2016 14:38:21 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bI7jY-0002Z5-B8 for xfs@oss.sgi.com; Wed, 29 Jun 2016 15:08:20 +1000 Date: Wed, 29 Jun 2016 15:08:20 +1000 From: Dave Chinner <david@fromorbit.com> To: xfs@oss.sgi.com Subject: [ANNOUNCE] xfsprogs: master branch updated to ee37542 Message-ID: <20160629050820.GO12670@dastard> X-ASG-Orig-Subj: [ANNOUNCE] xfsprogs: master branch updated to ee37542 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="KR/qxknboQ7+Tpez" Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1467176902 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 871 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30853 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- --KR/qxknboQ7+Tpez Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Folks, The xfsprogs repository at: git://oss.sgi.com/xfs/cmds/xfsprogs git://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git has just been updated. The new head of the master branch is commit: ee37542 xfs_repair: don't call xfs_sb_quota_from_disk twice New Commits: Bill O'Donnell (1): [dd36660] xfs_repair: resolve Coverity OVERFLOW_BEFORE_WIDEN Dave Chinner (2): [8730711] libxfs: fix use after from in xfs_trans_roll [3fbf002] libxfs: fix double free in libxfs_alloc_file_space Eric Sandeen (1): [ee37542] xfs_repair: don't call xfs_sb_quota_from_disk twice Code Diffstat: libxfs/trans.c | 4 +++- libxfs/util.c | 4 ---- libxfs/xfs_sb.c | 7 +++++-- repair/sb.c | 4 +--- repair/scan.c | 1 - 5 files changed, 9 insertions(+), 11 deletions(-) --=20 Dave Chinner david@fromorbit.com --KR/qxknboQ7+Tpez Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXc1fDAAoJEK3oKUf0dfodzkwP/1aOJN26x7FsD8sfmYyYamxu wTTDSnj9EVAlF2oH+M502c2oHwADHCCdu6YZQS7+TJLGrqk1wPRp8fQlCJDy4IcS TSTV2B4z5trXQKjnzPZZTi6DK/IoOpK+cboc0gLtv50BJOj5tgBOupYoJ7WER2lw Ouj2C1jUU6XdLWtBSsAjZ3QjditLZh4yBc1vV76IvEHYTIwZdjWEu0kpIN5YN3Sd DrNid9T8nHVH8+KUZn4t39jsnt8SpPwG42w4pqaFZcxCIxm4sn23Be86dNdfuVVW /wX55rkHn+UVSQSEixGQkAFjCS56zrFyBraPyUJJlPfe2pkzCbeBFCdQBwoR+t99 0/XRhlGz9PrByHiJR3ZLIAZqLXr+4+RNHWYAX25qXPOmRprQDk9LGqK7Xx54ahfq o8vYsgLrvW5Qo/V/UCWUAsoYGrweGFc5xYAEobNC+bj5rXav3sZj+AXkfc0ZNKBX 8s8zmpHxR/me+ZG40WQAIbghgkTtUbZtqvrSad6x4lcilxkQWiTopEugsvIUoCqW m7DTUEdN/f9SIK5ETwPcseaaiTKmm1t/ruKapwo0FqsVRhQYbWuhJrrQUKZag41u pqqnO/rs6/29pI8GQ0vnxiQGNmojpZmmY7gRXjHxAQDlOwf0yATdD5VouJQoQjLb Wo6gMEezFL3e6WX4ll5p =0P80 -----END PGP SIGNATURE----- --KR/qxknboQ7+Tpez-- From cmaiolino@redhat.com Wed Jun 29 03:31:03 2016 Return-Path: <cmaiolino@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id D0A937CA1 for <xfs@oss.sgi.com>; 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Wed, 29 Jun 2016 04:30:56 -0400 Date: Wed, 29 Jun 2016 10:30:51 +0200 From: Carlos Maiolino <cmaiolino@redhat.com> To: Eric Sandeen <sandeen@sandeen.net> Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice Message-ID: <20160629083051.GC22634@redhat.com> X-ASG-Orig-Subj: Re: [PATCH] xfs_repair: don't call xfs_sb_quota_from_disk twice Mail-Followup-To: Eric Sandeen <sandeen@sandeen.net>, xfs@oss.sgi.com References: <13dd3974-956d-c3af-86ed-f6ce5cc1b996@redhat.com> <20160627094855.GC29774@redhat.com> <5c408cf1-e9fa-8bee-106e-93e553fc98a7@sandeen.net> <20160628085726.GA4397@redhat.com> <c72e1f9a-0f83-aa2b-48f1-bc6deccc6315@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <c72e1f9a-0f83-aa2b-48f1-bc6deccc6315@sandeen.net> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 29 Jun 2016 08:30:58 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467189058 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4475 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Tue, Jun 28, 2016 at 10:40:31AM -0500, Eric Sandeen wrote: > > > On 6/28/16 3:57 AM, Carlos Maiolino wrote: > > On Mon, Jun 27, 2016 at 10:34:39AM -0500, Eric Sandeen wrote: > >> > >> > >> On 6/27/16 4:48 AM, Carlos Maiolino wrote: > >>> On Fri, Jun 24, 2016 at 04:24:58PM -0500, Eric Sandeen wrote: > >>>> kernel commit 5ef828c4 > >>>> xfs: avoid false quotacheck after unclean shutdown > >>>> > >>>> made xfs_sb_from_disk() also call xfs_sb_quota_from_disk > >>>> by default. > >>>> > >>>> However, when this was merged to libxfs, existing separate > >>>> calls to libxfs_sb_quota_from_disk remained, and calling it > >>>> twice in a row on a V4 superblock leads to issues, because: > >>>> > >>>> > >>>> if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { > >>>> ... > >>>> sbp->sb_pquotino = sbp->sb_gquotino; > >>>> sbp->sb_gquotino = NULLFSINO; > >>>> > >>>> and after the second call, we have set both pquotino and gquotino > >>>> to NULLFSINO. > >>>> > >>>> Fix this by making it safe to call twice, and also remove the extra > >>>> calls to libxfs_sb_quota_from_disk. > >>>> > >>>> This is only spotted when running xfstests with "-m crc=0" because > >>>> the sb_from_disk change came about after V5 became default, and > >>>> the above behavior only exists on a V4 superblock. > >>>> > >>>> Reported-by: Eryu Guan <eguan@redhat.com> > >>>> Signed-off-by: Eric Sandeen <sandeen@redhat.com> > >>>> --- > >>>> > >>>> > >>>> diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c > >>>> index 45db6ae..44f3e3e 100644 > >>>> --- a/libxfs/xfs_sb.c > >>>> +++ b/libxfs/xfs_sb.c > >>>> @@ -316,13 +316,16 @@ xfs_sb_quota_from_disk(struct xfs_sb *sbp) > >>>> XFS_PQUOTA_CHKD : XFS_GQUOTA_CHKD; > >>>> sbp->sb_qflags &= ~(XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD); > >>>> > >>>> - if (sbp->sb_qflags & XFS_PQUOTA_ACCT) { > >>>> + if (sbp->sb_qflags & XFS_PQUOTA_ACCT && > >>>> + sbp->sb_gquotino != NULLFSINO) { > >>> > >>> Although I agree with this check, shouldn't we report some sort of error when it > >>> happens? Once, it's not supposed to happen, and, might be a sign of corruption? > >> > >> I dunno, it would also happen if it gets called twice, which is intentionally > >> made harmless by this change. We don't warn on free(NULL) for example... > >> > > > > Well, I don't 100% agree with not having a warning here, but it doesn't make the > > patch less valuable. > > Thanks Carlos - > > Maybe I don't understand what you want to warn about. > > If we get here with: > > if (sbp->sb_qflags & XFS_PQUOTA_ACCT && > sbp->sb_gquotino != NULLFSINO) { > > that means we have an on-disk super without the pquotino field, > the XFS_PQUOTA_ACCT flag is set, and so the gquotino field was > used for the project quota; this is valid, and there is > nothing to warn about in this case. > > If we get here with: > > if (sbp->sb_qflags & XFS_PQUOTA_ACCT && > sbp->sb_gquotino == NULLFSINO) { > > that means we have an on-disk super without the pquotino field, > the XFS_PQUOTA_ACCT flag is set, and the gquotino was not set > to a valid value. This could happen either from a bad on-disk > value, or it could mean that we called the function twice in a > row. Without maintaining more state, we can't know which, and > warning the user about a programming error wouldn't be helpful. > > Actually, repair already handles this case elsewhere: > > quota_sb_check(xfs_mount_t *mp) > { > /* > * if the sb says we have quotas and we lost both, > * signal a superblock downgrade. that will cause > * the quota flags to get zeroed. (if we only lost > * one quota inode, do nothing and complain later.) > * > * if the sb says we have quotas but we didn't start out > * with any quota inodes, signal a superblock downgrade. > > In the case where quota flags are on but all quota inodes are > zero, it silently clears the quota flags. Whether or not that > should be silent I'm not sure, but I think that is separate > from this patch. > > Thanks, > -Eric Thanks for the great and detailed explanation Eric, I think I was just being too careful about not having a warning there, without completely understand why a warning isn't not necessary there. :) > > > > Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> -- Carlos From Helen.3@sunny.com Wed Jun 29 03:35:14 2016 Return-Path: <Helen.3@sunny.com> X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id CC5107CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 03:35:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 917EF304032 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 01:35:13 -0700 (PDT) X-ASG-Debug-ID: 1467189269-04cbb02738346510001-NocioJ Received: from sunny.com ([180.175.239.15]) by cuda.sgi.com 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q63sm7296323wma.0.2016.06.29.05.23.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Jun 2016 05:23:50 -0700 (PDT) Message-ID: <5773BDD4.60705@plexistor.com> Date: Wed, 29 Jun 2016 15:23:48 +0300 From: Boaz Harrosh <boaz@plexistor.com> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Christoph Hellwig <hch@lst.de>, Boaz Harrosh <boaz@plexistor.com> CC: Dave Chinner <david@fromorbit.com>, xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <20160624072612.GA22205@lst.de> <20160624230045.GG12670@dastard> <20160628131059.GA30475@lst.de> <57727B27.7060104@plexistor.com> <20160628133928.GB31283@lst.de> <5772820E.2080403@plexistor.com> <20160628153925.GA2643@lst.de> X-ASG-Orig-Subj: Re: xfs: untangle the direct I/O and DAX 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Domain Keys Identified Mail: message has a signature On 06/28/2016 06:39 PM, Christoph Hellwig wrote: > On Tue, Jun 28, 2016 at 04:56:30PM +0300, Boaz Harrosh wrote: >> Actually with O_APPEND each write request should write a different region >> of the file, there are no overlapping writes. And no issue of which version of the >> write came last and got its data written. > > You have one fd for multiple threads or processes (it doesn't matter if > you're using O_APPEND or not), and all of them write to it. > Yes so? but they do not write to the same (overlapping) region of the file, each thread usually writes to his own record. > i_size is only updated once the write finishes, so having multiple > concurrent writes will mean multiple records go into the same regions. > Now to be fair in current XFS writes beyond i_size will always take > the lock exclusively, so for this case we will not get concurrent > writes and thus data corruption anyway. Exactly that I understand. And it must be so. > But if you have a cycling > log that gets overwritten (say a database journal) we're back to > square one. > No! In this "cycling log" case the application (the DB) has an Head and a Tail pointers each thread grabs the next available record and writes to it. The IO is not overlapping, each thread writes to his own record, and even if they write at the same time they do not over-write each other. As long as they properly sync on the Head pointer the write itself can happen in parallel. This is not a good example and will work perfectly well with the old (current) DAX code. (Even if such records where 4k aligned) >> I still don't see how an application can use the fact that two writers >> will not give them mixed records. And surly it does not work on a shared >> FS. So I was really wondering if you know of any such app > > If it doesn't work for two threads using the same fd on a shared fs > the fs is broken. What works? the above cycling log, sure it will work, also on current dax code. I wish you could write a test to demonstrate this bug. Sorry for my slowness but I don't see it. I do not see how the fact that there is only a single memcpy in progress can help an application. Yes sure isize update must be synced, which it is in current code. Thanks Christoph, I've taken too much of your time, I guess the QA will need to bang every possible application and see what breaks when multiple parallel writers are allowed on a single file. So far for whatever I use in a VM it all works just the same. Boaz From cmaiolino@redhat.com Wed Jun 29 09:03:22 2016 Return-Path: <cmaiolino@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 379DB7CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 09:03:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id B91DBAC001 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 07:03:18 -0700 (PDT) X-ASG-Debug-ID: 1467208993-04bdf074b71e67c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ENmRkrFoIE4lk0vn (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 07:03:13 -0700 (PDT) X-Barracuda-Envelope-From: cmaiolino@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EC33DC00E919; Wed, 29 Jun 2016 14:03:12 +0000 (UTC) Received: from redhat.com (unused [10.10.50.36] (may be forged)) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5TE38uW013478 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 29 Jun 2016 10:03:11 -0400 Date: Wed, 29 Jun 2016 16:03:07 +0200 From: Carlos Maiolino <cmaiolino@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: david@fromorbit.com, xfs@oss.sgi.com Subject: Re: [PATCH 5/6] xfsdocs: reverse-mapping btree documentation Message-ID: <20160629140307.GA26533@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 5/6] xfsdocs: reverse-mapping btree documentation Mail-Followup-To: "Darrick J. Wong" <darrick.wong@oracle.com>, david@fromorbit.com, xfs@oss.sgi.com References: <146612808918.25586.1147874927753492795.stgit@birch.djwong.org> <146612811976.25586.4109341284933778121.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <146612811976.25586.4109341284933778121.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 29 Jun 2016 14:03:13 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467208993 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 28772 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:48:39PM -0700, Darrick J. Wong wrote: > Add chapters on the operation of the reverse mapping btree and future > things we could do with rmap data. > > v2: Add magic number to the table. > Hi darrick. Just FYI, I'm not sure why, but this patch came to the list in base64 format, although the remaining ones are in text-plain. > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- > .../allocation_groups.asciidoc | 24 +- > design/XFS_Filesystem_Structure/docinfo.xml | 17 + > .../journaling_log.asciidoc | 130 +++++++++ > design/XFS_Filesystem_Structure/magic.asciidoc | 3 > .../reconstruction.asciidoc | 53 +++ > design/XFS_Filesystem_Structure/rmapbt.asciidoc | 305 ++++++++++++++++++++ > .../xfs_filesystem_structure.asciidoc | 4 > 7 files changed, 528 insertions(+), 8 deletions(-) > create mode 100644 design/XFS_Filesystem_Structure/reconstruction.asciidoc > create mode 100644 design/XFS_Filesystem_Structure/rmapbt.asciidoc > > > diff --git a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc > index 55bbc50..8ced83a 100644 > --- a/design/XFS_Filesystem_Structure/allocation_groups.asciidoc > +++ b/design/XFS_Filesystem_Structure/allocation_groups.asciidoc > @@ -12,6 +12,7 @@ Each AG has the following characteristics: > * A super block describing overall filesystem info > * Free space management > * Inode allocation and tracking > + * Reverse block-mapping index (optional) > > Having multiple AGs allows XFS to handle most operations in parallel without > degrading performance as the number of concurrent accesses increases. > @@ -379,6 +380,12 @@ it doesn't understand the flag. > Free inode B+tree. Each allocation group contains a B+tree to track inode chunks > containing free inodes. This is a performance optimization to reduce the time > required to allocate inodes. > + > +| +XFS_SB_FEAT_RO_COMPAT_RMAPBT+ | > +Reverse mapping B+tree. Each allocation group contains a B+tree containing > +records mapping AG blocks to their owners. See the section about > +xref:Reconstruction[reconstruction] for more details. > + > |===== > > *sb_features_incompat*:: > @@ -529,9 +536,7 @@ struct xfs_agf { > __be32 agf_seqno; > __be32 agf_length; > __be32 agf_roots[XFS_BTNUM_AGF]; > - __be32 agf_spare0; > __be32 agf_levels[XFS_BTNUM_AGF]; > - __be32 agf_spare1; > __be32 agf_flfirst; > __be32 agf_fllast; > __be32 agf_flcount; > @@ -550,9 +555,10 @@ struct xfs_agf { > }; > ---- > > -The rest of the bytes in the sector are zeroed. +XFS_BTNUM_AGF+ is set to 2: > -index 0 for the free space B+tree indexed by block number; and index 1 for the > -free space B+tree indexed by extent size. > +The rest of the bytes in the sector are zeroed. +XFS_BTNUM_AGF+ is set to 3: > +index 0 for the free space B+tree indexed by block number; index 1 for the free > +space B+tree indexed by extent size; and index 2 for the reverse-mapping > +B+tree. > > *agf_magicnum*:: > Specifies the magic number for the AGF sector: ``XAGF'' (0x58414746). > @@ -570,11 +576,13 @@ this could be less than the +sb_agblocks+ value. It is this value that should > be used to determine the size of the AG. > > *agf_roots*:: > -Specifies the block number for the root of the two free space B+trees. > +Specifies the block number for the root of the two free space B+trees and the > +reverse-mapping B+tree, if enabled. > > *agf_levels*:: > -Specifies the level or depth of the two free space B+trees. For a fresh AG, this > -will be one, and the ``roots'' will point to a single leaf of level 0. > +Specifies the level or depth of the two free space B+trees and the > +reverse-mapping B+tree, if enabled. For a fresh AG, this value will be one, > +and the ``roots'' will point to a single leaf of level 0. > > *agf_flfirst*:: > Specifies the index of the first ``free list'' block. Free lists are covered in > diff --git a/design/XFS_Filesystem_Structure/docinfo.xml b/design/XFS_Filesystem_Structure/docinfo.xml > index cc5596d..44f944a 100644 > --- a/design/XFS_Filesystem_Structure/docinfo.xml > +++ b/design/XFS_Filesystem_Structure/docinfo.xml > @@ -122,4 +122,21 @@ > </simplelist> > </revdescription> > </revision> > + <revision> > + <revnumber>3.141</revnumber> > + <date>June 2016</date> > + <author> > + <firstname>Darrick</firstname> > + <surname>Wong</surname> > + <email></email> > + </author> > + <revdescription> > + <simplelist> > + <member>Document the reverse-mapping btree.</member> > + <member>Move the b+tree info to a separate chapter.</member> > + <member>Discuss overlapping interval b+trees.</member> > + <member>Discuss new log items for atomic updates.</member> > + </simplelist> > + </revdescription> > + </revision> > </revhistory> > diff --git a/design/XFS_Filesystem_Structure/journaling_log.asciidoc b/design/XFS_Filesystem_Structure/journaling_log.asciidoc > index 67d209f..0fbbcee 100644 > --- a/design/XFS_Filesystem_Structure/journaling_log.asciidoc > +++ b/design/XFS_Filesystem_Structure/journaling_log.asciidoc > @@ -209,6 +209,8 @@ magic number to distinguish themselves. Buffer data items only appear after > | +XFS_LI_DQUOT+ | 0x123d | xref:Quota_Update_Log_Item[Update Quota] > | +XFS_LI_QUOTAOFF+ | 0x123e | xref:Quota_Off_Log_Item[Quota Off] > | +XFS_LI_ICREATE+ | 0x123f | xref:Inode_Create_Log_Item[Inode Creation] > +| +XFS_LI_RUI+ | 0x1240 | xref:RUI_Log_Item[Reverse Mapping Update Intent] > +| +XFS_LI_RUD+ | 0x1241 | xref:RUD_Log_Item[Reverse Mapping Update Done] > |===== > > [[Log_Transaction_Headers]] > @@ -386,6 +388,134 @@ Variable-length array of extents to be freed. The array length is given by > +xfs_extent_32_t+; this can be determined from the log item size (+oh_len+) and > the number of extents (+efd_nextents+). > > +[[RUI_Log_Item]] > +=== Reverse Mapping Updates Intent > + > +The next two operation types work together to handle deferred reverse mapping > +updates. Naturally, the mappings to be updated can be expressed in terms of > +mapping extents: > + > +[source, c] > +---- > +struct xfs_map_extent { > + __uint64_t me_owner; > + __uint64_t me_startblock; > + __uint64_t me_startoff; > + __uint32_t me_len; > + __uint32_t me_flags; > +}; > +---- > + > +*me_owner*:: > +Owner of this reverse mapping. See the values in the section about > +xref:Reverse_Mapping_Btree[reverse mapping] for more information. > + > +*me_startblock*:: > +Filesystem block of this mapping. > + > +*me_startoff*:: > +Logical block offset of this mapping. > + > +*me_len*:: > +The length of this mapping. > + > +*me_flags*:: > +The lower byte of this field is a type code indicating what sort of > +reverse mapping operation we want. The upper three bytes are flag bits. > + > +.Reverse mapping update log intent types > +[options="header"] > +|===== > +| Value | Description > +| +XFS_RMAP_EXTENT_MAP+ | Add a reverse mapping for file data. > +| +XFS_RMAP_EXTENT_MAP_SHARED+ | Add a reverse mapping for file data for a file with shared blocks. > +| +XFS_RMAP_EXTENT_UNMAP+ | Remove a reverse mapping for file data. > +| +XFS_RMAP_EXTENT_UNMAP_SHARED+ | Remove a reverse mapping for file data for a file with shared blocks. > +| +XFS_RMAP_EXTENT_CONVERT+ | Convert a reverse mapping for file data between unwritten and normal. > +| +XFS_RMAP_EXTENT_CONVERT_SHARED+ | Convert a reverse mapping for file data between unwritten and normal for a file with shared blocks. > +| +XFS_RMAP_EXTENT_ALLOC+ | Add a reverse mapping for non-file data. > +| +XFS_RMAP_EXTENT_FREE+ | Remove a reverse mapping for non-file data. > +|===== > + > +.Reverse mapping update log intent flags > +[options="header"] > +|===== > +| Value | Description > +| +XFS_RMAP_EXTENT_ATTR_FORK+ | Extent is for the attribute fork. > +| +XFS_RMAP_EXTENT_BMBT_BLOCK+ | Extent is for a block mapping btree block. > +| +XFS_RMAP_EXTENT_UNWRITTEN+ | Extent is unwritten. > +|===== > + > +The ``rmap update intent'' operation comes first; it tells the log that XFS > +wants to update some reverse mappings. This record is crucial for correct log > +recovery because it enables us to spread a complex metadata update across > +multiple transactions while ensuring that a crash midway through the complex > +update will be replayed fully during log recovery. > + > +[source, c] > +---- > +struct xfs_rui_log_format { > + __uint16_t rui_type; > + __uint16_t rui_size; > + __uint32_t rui_nextents; > + __uint64_t rui_id; > + struct xfs_map_extent rui_extents[1]; > +}; > +---- > + > +*rui_type*:: > +The signature of an RUI operation, 0x1240. This value is in host-endian order, > +not big-endian like the rest of XFS. > + > +*rui_size*:: > +Size of this log item. Should be 1. > + > +*rui_nextents*:: > +Number of reverse mappings. > + > +*rui_id*:: > +A 64-bit number that binds the corresponding RUD log item to this RUI log item. > + > +*rui_extents*:: > +Variable-length array of reverse mappings to update. > + > +[[RUD_Log_Item]] > +=== Completion of Reverse Mapping Updates > + > +The ``reverse mapping update done'' operation complements the ``reverse mapping > +update intent'' operation. This second operation indicates that the update > +actually happened, so that log recovery needn't replay the update. The RUD and > +the actual updates are typically found in a new transaction following the > +transaction in which the RUI was logged. > + > +[source, c] > +---- > +struct xfs_rud_log_format { > + __uint16_t rud_type; > + __uint16_t rud_size; > + __uint32_t rud_nextents; > + __uint64_t rud_rui_id; > + struct xfs_map_extent rud_extents[1]; > +}; > +---- > + > +*rud_type*:: > +The signature of an RUD operation, 0x1241. This value is in host-endian order, > +not big-endian like the rest of XFS. > + > +*rud_size*:: > +Size of this log item. Should be 1. > + > +*rud_nextents*:: > +Number of reverse mappings. > + > +*rud_id*:: > +A 64-bit number that binds the corresponding RUI log item to this RUD log item. > + > +*rud_extents*:: > +Variable-length array of reverse mappings. The array length is given by > ++rud_nextents+. > + > [[Inode_Log_Item]] > === Inode Updates > > diff --git a/design/XFS_Filesystem_Structure/magic.asciidoc b/design/XFS_Filesystem_Structure/magic.asciidoc > index 301cfa0..10fd15f 100644 > --- a/design/XFS_Filesystem_Structure/magic.asciidoc > +++ b/design/XFS_Filesystem_Structure/magic.asciidoc > @@ -44,6 +44,7 @@ relevant chapters. Magic numbers tend to have consistent locations: > | +XFS_ATTR_LEAF_MAGIC+ | 0xfbee | | xref:Leaf_Attributes[Leaf Attribute] > | +XFS_ATTR3_LEAF_MAGIC+ | 0x3bee | | xref:Leaf_Attributes[Leaf Attribute], v5 only > | +XFS_ATTR3_RMT_MAGIC+ | 0x5841524d | XARM | xref:Remote_Values[Remote Attribute Value], v5 only > +| +XFS_RMAP_CRC_MAGIC+ | 0x524d4233 | RMB3 | xref:Reverse_Mapping_Btree[Reverse Mapping B+tree], v5 only > |===== > > The magic numbers for log items are at offset zero in each log item, but items > @@ -61,6 +62,8 @@ are not aligned to blocks. > | +XFS_LI_DQUOT+ | 0x123d | | xref:Quota_Update_Log_Item[Update Quota Log Item] > | +XFS_LI_QUOTAOFF+ | 0x123e | | xref:Quota_Off_Log_Item[Quota Off Log Item] > | +XFS_LI_ICREATE+ | 0x123f | | xref:Inode_Create_Log_Item[Inode Creation Log Item] > +| +XFS_LI_RUI+ | 0x1240 | | xref:RUI_Log_Item[Reverse Mapping Update Intent] > +| +XFS_LI_RUD+ | 0x1241 | | xref:RUD_Log_Item[Reverse Mapping Update Done] > |===== > > = Theoretical Limits > diff --git a/design/XFS_Filesystem_Structure/reconstruction.asciidoc b/design/XFS_Filesystem_Structure/reconstruction.asciidoc > new file mode 100644 > index 0000000..f172e0f > --- /dev/null > +++ b/design/XFS_Filesystem_Structure/reconstruction.asciidoc > @@ -0,0 +1,53 @@ > +[[Reconstruction]] > += Metadata Reconstruction > + > +[NOTE] > +This is a theoretical discussion of how reconstruction could work; none of this > +is implemented as of 2015. > + > +A simple UNIX filesystem can be thought of in terms of a directed acyclic graph. > +To a first approximation, there exists a root directory node, which points to > +other nodes. Those other nodes can themselves be directories or they can be > +files. Each file, in turn, points to data blocks. > + > +XFS adds a few more details to this picture: > + > +* The real root(s) of an XFS filesystem are the allocation group headers > +(superblock, AGF, AGI, AGFL). > +* Each allocation group’s headers point to various per-AG B+trees (free space, > +inode, free inodes, free list, etc.) > +* The free space B+trees point to unused extents; > +* The inode B+trees point to blocks containing inode chunks; > +* All superblocks point to the root directory and the log; > +* Hardlinks mean that multiple directories can point to a single file node; > +* File data block pointers are indexed by file offset; > +* Files and directories can have a second collection of pointers to data blocks > +which contain extended attributes; > +* Large directories require multiple data blocks to store all the subpointers; > +* Still larger directories use high-offset data blocks to store a B+tree of > +hashes to directory entries; > +* Large extended attribute forks similarly use high-offset data blocks to store > +a B+tree of hashes to attribute keys; and > +* Symbolic links can point to data blocks. > + > +The beauty of this massive graph structure is that under normal circumstances, > +everything known to the filesystem is discoverable (access controls > +notwithstanding) from the root. The major weakness of this structure of course > +is that breaking a edge in the graph can render entire subtrees inaccessible. > ++xfs_repair+ “recovers” from broken directories by scanning for unlinked inodes > +and connecting them to +/lost+found+, but this isn’t sufficiently general to > +recover from breaks in other parts of the graph structure. Wouldn’t it be > +useful to have back pointers as a secondary data structure? The current repair > +strategy is to reconstruct whatever can be rebuilt, but to scrap anything that > +doesn't check out. > + > +The xref:Reverse_Mapping_Btree[reverse-mapping B+tree] fills in part of the > +puzzle. Since it contains copies of every entry in each inode’s data and > +attribute forks, we can fix a corrupted block map with these records. > +Furthermore, if the inode B+trees become corrupt, it is possible to visit all > +inode chunks using the reverse-mapping data. Should XFS ever gain the ability > +to store parent directory information in each inode, it also becomes possible > +to resurrect damaged directory trees, which should reduce the complaints about > +inodes ending up in +/lost+found+. Everything else in the per-AG primary > +metadata can already be reconstructed via +xfs_repair+. Hopefully, > +reconstruction will not turn out to be a fool's errand. > diff --git a/design/XFS_Filesystem_Structure/rmapbt.asciidoc b/design/XFS_Filesystem_Structure/rmapbt.asciidoc > new file mode 100644 > index 0000000..a8a210b > --- /dev/null > +++ b/design/XFS_Filesystem_Structure/rmapbt.asciidoc > @@ -0,0 +1,305 @@ > +[[Reverse_Mapping_Btree]] > +== Reverse-Mapping B+tree > + > +[NOTE] > +This data structure is under construction! Details may change. > + > +If the feature is enabled, each allocation group has its own reverse > +block-mapping B+tree, which grows in the free space like the free space > +B+trees. As mentioned in the chapter about > +xref:Reconstruction[reconstruction], this data structure is another piece of > +the puzzle necessary to reconstruct the data or attribute fork of a file from > +reverse-mapping records; we can also use it to double-check allocations to > +ensure that we are not accidentally cross-linking blocks, which can cause > +severe damage to the filesystem. > + > +This B+tree is only present if the +XFS_SB_FEAT_RO_COMPAT_RMAPBT+ > +feature is enabled. The feature requires a version 5 filesystem. > + > +Each record in the reverse-mapping B+tree has the following structure: > + > +[source, c] > +---- > +struct xfs_rmap_rec { > + __be32 rm_startblock; > + __be32 rm_blockcount; > + __be64 rm_owner; > + __be64 rm_fork:1; > + __be64 rm_bmbt:1; > + __be64 rm_unwritten:1; > + __be64 rm_unused:7; > + __be64 rm_offset:54; > +}; > +---- > + > +*rm_startblock*:: > +AG block number of this record. > + > +*rm_blockcount*:: > +The length of this extent. > + > +*rm_owner*:: > +A 64-bit number describing the owner of this extent. This is typically the > +absolute inode number, but can also correspond to one of the following: > + > +.Special owner values > +[options="header"] > +|===== > +| Value | Description > +| +XFS_RMAP_OWN_NULL+ | No owner. This should never appear on disk. > +| +XFS_RMAP_OWN_UNKNOWN+ | Unknown owner; for EFI recovery. This should never appear on disk. > +| +XFS_RMAP_OWN_FS+ | Allocation group headers > +| +XFS_RMAP_OWN_LOG+ | XFS log blocks > +| +XFS_RMAP_OWN_AG+ | Per-allocation group B+tree blocks. This means free space B+tree blocks, blocks on the freelist, and reverse-mapping B+tree blocks. > +| +XFS_RMAP_OWN_INOBT+ | Per-allocation group inode B+tree blocks. This includes free inode B+tree blocks. > +| +XFS_RMAP_OWN_INODES+ | Inode chunks > +|===== > + > +*rm_fork*:: > +If +rm_owner+ describes an inode, this can be 1 if this record is for an > +attribute fork. > + > +*rm_bmbt*:: > +If +rm_owner+ describes an inode, this can be 1 to signify that this record is > +for a block map B+tree block. In this case, +rm_offset+ has no meaning. > + > +*rm_unwritten*:: > +A flag indicating that the extent is unwritten. This corresponds to the flag in > +the xref:Data_Extents[extent record] format which means +XFS_EXT_UNWRITTEN+. > + > +*rm_offset*:: > +The 54-bit logical file block offset, if +rm_owner+ describes an inode. > +Meaningless otherwise. > + > +[NOTE] > +The single-bit flag values +rm_unwritten+, +rm_fork+, and +rm_bmbt+ are packed > +into the larger fields in the C structure definition. > + > +The key has the following structure: > + > +[source, c] > +---- > +struct xfs_rmap_key { > + __be32 rm_startblock; > + __be64 rm_owner; > + __be64 rm_fork:1; > + __be64 rm_bmbt:1; > + __be64 rm_reserved:1; > + __be64 rm_unused:7; > + __be64 rm_offset:54; > +}; > +---- > + > +For the reverse-mapping B+tree on a filesystem that supports sharing of file > +data blocks, the key definition is larger than the usual AG block number. On a > +classic XFS filesystem, each block has only one owner, which means that > ++rm_startblock+ is sufficient to uniquely identify each record. However, > +shared block support (reflink) on XFS breaks that assumption; now filesystem > +blocks can be linked to any logical block offset of any file inode. Therefore, > +the key must include the owner and offset information to preserve the 1 to 1 > +relation between key and record. > + > +* As the reference counting is AG relative, all the block numbers are only > +32-bits. > +* The +bb_magic+ value is "RMB3" (0x524d4233). > +* The +xfs_btree_sblock_t+ header is used for intermediate B+tree node as well > +as the leaves. > +* Each pointer is associated with two keys. The first of these is the "low > +key", which is the key of the smallest record accessible through the pointer. > +This low key has the same meaning as the key in all other btrees. The second > +key is the high key, which is the maximum of the largest key that can be used > +to access a given record underneath the pointer. Recall that each record > +in the reverse mapping b+tree describes an interval of physical blocks mapped > +to an interval of logical file block offsets; therefore, it makes sense that > +a range of keys can be used to find to a record. > + > +=== xfs_db rmapbt Example > + > +This example shows a reverse-mapping B+tree from a freshly populated root > +filesystem: > + > +---- > +xfs_db> agf 0 > +xfs_db> addr rmaproot > +xfs_db> p > +magic = 0x524d4233 > +level = 1 > +numrecs = 43 > +leftsib = null > +rightsib = null > +bno = 56 > +lsn = 0x3000004c8 > +uuid = 1977221d-8345-464e-b1f4-aa2ea36895f4 > +owner = 0 > +crc = 0x7cf8be6f (correct) > +keys[1-43] = [startblock,owner,offset] > +keys[1-43] = [startblock,owner,offset,attrfork,bmbtblock,startblock_hi,owner_hi, > + offset_hi,attrfork_hi,bmbtblock_hi] > + 1:[0,-3,0,0,0,351,4418,66,0,0] > + 2:[417,285,0,0,0,827,4419,2,0,0] > + 3:[829,499,0,0,0,2352,573,55,0,0] > + 4:[1292,710,0,0,0,32168,262923,47,0,0] > + 5:[32215,-5,0,0,0,34655,2365,3411,0,0] > + 6:[34083,1161,0,0,0,34895,265220,1,0,1] > + 7:[34896,256191,0,0,0,36522,-9,0,0,0] > + ... > + 41:[50998,326734,0,0,0,51430,-5,0,0,0] > + 42:[51431,327010,0,0,0,51600,325722,11,0,0] > + 43:[51611,327112,0,0,0,94063,23522,28375272,0,0] > +ptrs[1-43] = 1:5 2:6 3:8 4:9 5:10 6:11 7:418 ... 41:46377 42:48784 43:49522 > +---- > + > +We arbitrarily pick pointer 17 to traverse downwards: > + > +---- > +xfs_db> addr ptrs[17] > +xfs_db> p > +magic = 0x524d4233 > +level = 0 > +numrecs = 168 > +leftsib = 36284 > +rightsib = 37617 > +bno = 294760 > +lsn = 0x200002761 > +uuid = 1977221d-8345-464e-b1f4-aa2ea36895f4 > +owner = 0 > +crc = 0x2dad3fbe (correct) > +recs[1-168] = [startblock,blockcount,owner,offset,extentflag,attrfork,bmbtblock] > + 1:[40326,1,259615,0,0,0,0] 2:[40327,1,-5,0,0,0,0] > + 3:[40328,2,259618,0,0,0,0] 4:[40330,1,259619,0,0,0,0] > + ... > + 127:[40540,1,324266,0,0,0,0] 128:[40541,1,324266,8388608,0,0,0] > + 129:[40542,2,324266,1,0,0,0] 130:[40544,32,-7,0,0,0,0] > +---- > + > +Several interesting things pop out here. The first record shows that inode > +259,615 has mapped AG block 40,326 at offset 0. We confirm this by looking at > +the block map for that inode: > + > +---- > +xfs_db> inode 259615 > +xfs_db> bmap > +data offset 0 startblock 40326 (0/40326) count 1 flag 0 > +---- > + > +Next, notice records 127 and 128, which describe neighboring AG blocks that are > +mapped to non-contiguous logical blocks in inode 324,266. Given the logical > +offset of 8,388,608 we surmise that this is a leaf directory, but let us > +confirm: > + > +---- > +xfs_db> inode 324266 > +xfs_db> p core.mode > +core.mode = 040755 > +xfs_db> bmap > +data offset 0 startblock 40540 (0/40540) count 1 flag 0 > +data offset 1 startblock 40542 (0/40542) count 2 flag 0 > +data offset 3 startblock 40576 (0/40576) count 1 flag 0 > +data offset 8388608 startblock 40541 (0/40541) count 1 flag 0 > +xfs_db> p core.mode > +core.mode = 0100644 > +xfs_db> dblock 0 > +xfs_db> p dhdr.hdr.magic > +dhdr.hdr.magic = 0x58444433 > +xfs_db> dblock 8388608 > +xfs_db> p lhdr.info.hdr.magic > +lhdr.info.hdr.magic = 0x3df1 > +---- > + > +Indeed, this inode 324,266 appears to be a leaf directory, as it has regular > +directory data blocks at low offsets, and a single leaf block. > + > +Notice further the two reverse-mapping records with negative owners. An owner > +of -7 corresponds to +XFS_RMAP_OWN_INODES+, which is an inode chunk, and an > +owner code of -5 corresponds to +XFS_RMAP_OWN_AG+, which covers free space > +B+trees and free space. Let's see if block 40,544 is part of an inode chunk: > + > +---- > +xfs_db> blockget > +xfs_db> fsblock 40544 > +xfs_db> blockuse > +block 40544 (0/40544) type inode > +xfs_db> stack > +1: > + byte offset 166068224, length 4096 > + buffer block 324352 (fsbno 40544), 8 bbs > + inode 324266, dir inode 324266, type data > +xfs_db> type inode > +xfs_db> p > +core.magic = 0x494e > +---- > + > +Our suspicions are confirmed. Let's also see if 40,327 is part of a free space > +tree: > + > +---- > +xfs_db> fsblock 40327 > +xfs_db> blockuse > +block 40327 (0/40327) type btrmap > +xfs_db> type rmapbt > +xfs_db> p > +magic = 0x524d4233 > +---- > + > +As you can see, the reverse block-mapping B+tree is an important secondary > +metadata structure, which can be used to reconstruct damaged primary metadata. > +Now let's look at an extend rmap btree: > + > +---- > +xfs_db> agf 0 > +xfs_db> addr rmaproot > +xfs_db> p > +magic = 0x34524d42 > +level = 1 > +numrecs = 5 > +leftsib = null > +rightsib = null > +bno = 6368 > +lsn = 0x100000d1b > +uuid = 400f0928-6b88-4c37-af1e-cef1f8911f3f > +owner = 0 > +crc = 0x8d4ace05 (correct) > +keys[1-5] = [startblock,owner,offset,attrfork,bmbtblock,startblock_hi,owner_hi,offset_hi,attrfork_hi,bmbtblock_hi] > +1:[0,-3,0,0,0,705,132,681,0,0] > +2:[24,5761,0,0,0,548,5761,524,0,0] > +3:[24,5929,0,0,0,380,5929,356,0,0] > +4:[24,6097,0,0,0,212,6097,188,0,0] > +5:[24,6277,0,0,0,807,-7,0,0,0] > +ptrs[1-5] = 1:5 2:771 3:9 4:10 5:11 > +---- > + > +The second pointer stores both the low key [24,5761,0,0,0] and the high key > +[548,5761,524,0,0], which means that we can expect block 771 to contain records > +starting at physical block 24, inode 5761, offset zero; and that one of the > +records can be used to find a reverse mapping for physical block 548, inode > +5761, and offset 524: > + > +---- > +xfs_db> addr ptrs[2] > +xfs_db> p > +magic = 0x34524d42 > +level = 0 > +numrecs = 168 > +leftsib = 5 > +rightsib = 9 > +bno = 6168 > +lsn = 0x100000d1b > +uuid = 400f0928-6b88-4c37-af1e-cef1f8911f3f > +owner = 0 > +crc = 0xd58eff0e (correct) > +recs[1-168] = [startblock,blockcount,owner,offset,extentflag,attrfork,bmbtblock] > +1:[24,525,5761,0,0,0,0] > +2:[24,524,5762,0,0,0,0] > +3:[24,523,5763,0,0,0,0] > +... > +166:[24,360,5926,0,0,0,0] > +167:[24,359,5927,0,0,0,0] > +168:[24,358,5928,0,0,0,0] > +---- > + > +Observe that the first record in the block starts at physical block 24, inode > +5761, offset zero, just as we expected. Note that this first record is also > +indexed by the highest key as provided in the node block; physical block 548, > +inode 5761, offset 524 is the very last block mapped by this record. Furthermore, > +note that record 168, despite being the last record in this block, has a lower > +maximum key (physical block 382, inode 5928, offset 23) than the first record. > diff --git a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc > index 62502b3..1b8658d 100644 > --- a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc > +++ b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc > @@ -48,6 +48,8 @@ include::overview.asciidoc[] > > include::metadata_integrity.asciidoc[] > > +include::reconstruction.asciidoc[] > + > include::common_types.asciidoc[] > > include::magic.asciidoc[] > @@ -66,6 +68,8 @@ include::btrees.asciidoc[] > > include::allocation_groups.asciidoc[] > > +include::rmapbt.asciidoc[] > + > include::journaling_log.asciidoc[] > > include::internal_inodes.asciidoc[] > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs -- Carlos From Martinezant2141@live.com Wed Jun 29 13:48:40 2016 Return-Path: <Martinezant2141@live.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id C05027CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 13:48:40 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 4845AAC005 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 11:48:37 -0700 (PDT) X-ASG-Debug-ID: 1467226110-04bdf074b71ffc00001-NocioJ Received: from SNT004-OMC1S28.hotmail.com (snt004-omc1s28.hotmail.com [65.55.90.39]) by cuda.sgi.com with ESMTP id RsQADCCmyEpEfgan (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 11:48:31 -0700 (PDT) X-Barracuda-Envelope-From: Martinezant2141@live.com X-Barracuda-Effective-Source-IP: snt004-omc1s28.hotmail.com[65.55.90.39] X-Barracuda-Apparent-Source-IP: 65.55.90.39 Received: from NAM01-BN3-obe.outbound.protection.outlook.com ([65.55.90.7]) by SNT004-OMC1S28.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Wed, 29 Jun 2016 11:48:31 -0700 Received: from BN3NAM01FT032.eop-nam01.prod.protection.outlook.com (10.152.66.55) by BN3NAM01HT231.eop-nam01.prod.protection.outlook.com (10.152.67.10) with Microsoft SMTP Server (TLS) id 15.1.523.9; Wed, 29 Jun 2016 18:48:29 +0000 Received: from SN1PR05MB2317.namprd05.prod.outlook.com (10.152.66.57) by BN3NAM01FT032.mail.protection.outlook.com (10.152.67.233) with Microsoft SMTP Server (TLS) id 15.1.523.9 via Frontend Transport; Wed, 29 Jun 2016 18:48:29 +0000 Received: from SN1PR05MB2317.namprd05.prod.outlook.com ([10.169.125.19]) by SN1PR05MB2317.namprd05.prod.outlook.com ([10.169.125.19]) with mapi id 15.01.0523.024; Wed, 29 Jun 2016 18:48:29 +0000 From: Anthony l <Martinezant2141@live.com> To: "xfs@oss.sgi.com" <xfs@oss.sgi.com> Subject: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Thread-Topic: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) X-ASG-Orig-Subj: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Thread-Index: AQHR0jAXIVEyd//VeEGYMdUD0l4C3g== Date: Wed, 29 Jun 2016 18:48:29 +0000 Message-ID: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=softfail (sender IP is 25.152.66.57) smtp.mailfrom=live.com; oss.sgi.com; dkim=none (message not signed) header.d=none;oss.sgi.com; dmarc=none action=none header.from=live.com; received-spf: SoftFail (protection.outlook.com: domain of transitioning live.com discourages use of 25.152.66.57 as permitted sender) x-tmn: [Nj2qviwx8AMUwYL787NGijA3TmfEIkU+] x-eopattributedmessage: 0 x-forefront-antispam-report: EFV:NLI;SFV:NSPM;SFS:(10019020)(98900003);DIR:OUT;SFP:1102;SCL:1;SRVR:BN3NAM01HT231;H:SN1PR05MB2317.namprd05.prod.outlook.com;FPR:;SPF:None;CAT:NONE;LANG:en;CAT:NONE; x-ms-office365-filtering-correlation-id: 2e7dd3d2-5807-46a5-592b-08d3a04df635 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(1601124038)(5061506196)(5061507196)(1603103041)(1601125047);SRVR:BN3NAM01HT231; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(432015012)(82015046);SRVR:BN3NAM01HT231;BCL:0;PCL:0;RULEID:;SRVR:BN3NAM01HT231; x-forefront-prvs: 09888BC01D Content-Type: multipart/alternative; boundary="_000_SN1PR05MB231785E5196A5D31D0D833EACC230SN1PR05MB2317namp_" MIME-Version: 1.0 X-OriginatorOrg: live.com X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jun 2016 18:48:29.0317 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3NAM01HT231 X-OriginalArrivalTime: 29 Jun 2016 18:48:31.0005 (UTC) FILETIME=[D4C2ACD0:01D1D236] X-Barracuda-Connect: snt004-omc1s28.hotmail.com[65.55.90.39] X-Barracuda-Start-Time: 1467226111 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5635 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.02 X-Barracuda-Spam-Status: No, SCORE=0.02 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE, THREAD_INDEX, THREAD_TOPIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30873 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... 0.00 HTML_MESSAGE BODY: HTML included in message --_000_SN1PR05MB231785E5196A5D31D0D833EACC230SN1PR05MB2317namp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello Anthony here, I'm not sure if this is the correct place to send a question, If I am wrong= I would appreciate if you could send me in the right direction. I have co= me across the oss.sgi forums a lot looking for a solution to my problem but= I could not find much. Here's my situation. I have a bunch a tapes that were created way back when using an IRIX system= . Some kind of version 6, perhaps even the latest version. anyway I am able= to peak at the headers to determind the the file type on the drive is inde= ed: xFSdump0.... or when I make a sample using 'dd if=3D/dev/nst0 of=3D./test= .img' '+ 'file test.img' I get XFSDUMP archive (version 2) So, instinctively to get the data off the tapes I would think would be as s= imple as: sudo xfsrestore -f /dev/nst0 ./path to where I want it stored Then I get: using dump format 3 xfsrestore: searching media for dump xfsrestore: preparing drive xfsrestore: examining media file 1 ... xfsrestore examining media file xx the following dump has been found on drive 0: hostname: isp---------(stuff) mount point: /isp-iga volume: /dev/rdsk/sks0d2s7 session time: Mon Jan 10 11:47:42 2005 media label: "backup" file system id: xxx.... session id: xxx... media id:... restore this dump? 1: skip 2: restore (default) > 2 (enter) =3D=3D=3D=3D=3D=3D examining media file 0 reading directories examining media file 1 reading directories ... and so on no files selected for restoral =3D=3D=3D=3D 1: media change declined (timeout 3600 seconds) 2: display media inventory status 3: list needed media objects 4: change media (default) 3 and 4 do nothing I get no media needed. and If I press 4 same menu comes back. 2: media file xxx (xxx) where xxx is a number used for directory restoral first extent contained: ino xxxxxxxxxxxx off 0 next extent to restore: ino (same as above) off 0 and If I click 1: restoral interrupted use -R restore summery: stream 0: /dev/nst0 quit media no longer usable restore status: QUIT Then if I got to the directory where I pointed all I have is: orphanage/ xfsrestorehelperblahblah/ where orphangae is empty and the other contains like 5 files that are just = something else. What am I doing wrong here ?? any help would be great. Thanks --_000_SN1PR05MB231785E5196A5D31D0D833EACC230SN1PR05MB2317namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 1"> <style type=3D"text/css" style=3D"display:none;"></style> </head> <body dir=3D"ltr"> <div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;back= ground-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;"> <p>Hello Anthony here,</p> <p>I'm not sure if this is the correct place to send a question, If I am wr= ong I would appreciate if you could send me in the right direction. I= have come across the oss.sgi forums a lot looking for a solution to my pro= blem but I could not find much. </p> <p><br> </p> <p>Here's my situation.</p> <p>I have a bunch a tapes that were created way back when using an IRIX sys= tem. Some kind of version 6, perhaps even the latest version. anyway I am a= ble to peak at the headers to determind the the file type on the drive is i= ndeed:</p> <p>xFSdump0.... or when I make a sample using 'dd if=3D/dev/nst0 of= =3D./test.img' '+ 'file test.img' I get XFSDUMP archive (version 2)</p> <p>So, instinctively to get the data off the tapes I would think would be a= s simple as:</p> <p>sudo xfsrestore -f /dev/nst0 ./path to where I want it stored</p> <p>Then I get: </p> <p>using dump format 3</p> <p>xfsrestore: searching media for dump</p> <p>xfsrestore: preparing drive</p> <p>xfsrestore: examining media file 1</p> <p>...</p> <p>xfsrestore examining media file xx</p> <p>the following dump has been found on drive 0:</p> <p>hostname: isp---------(stuff)</p> <p>mount point: /isp-iga</p> <p>volume: /dev/rdsk/sks0d2s7</p> <p>session time: Mon Jan 10 11:47:42 2005</p> <p>media label: "backup"</p> <p>file system id: xxx....</p> <p>session id: xxx...</p> <p>media id:...</p> <p>restore this dump?</p> <p>1: skip</p> <p>2: restore (default)</p> <p>> 2 (enter)</p> <p><br> </p> <p>=3D=3D=3D=3D=3D=3D </p> <p>examining media file 0</p> <p>reading directories</p> <p>examining media file 1</p> <p>reading directories</p> <p>... and so on</p> <p>no files selected for restoral</p> <p><br> </p> <p><br> </p> <p>=3D=3D=3D=3D</p> <p>1: media change declined (timeout 3600 seconds)</p> <p>2: display media inventory status</p> <p>3: list needed media objects</p> <p>4: change media (default) </p> <p><br> </p> <p>3 and 4 do nothing</p> <p>I get no media needed. and If I press 4 same menu comes back. </p> <p>2: media file xxx (xxx) where xxx is a number</p> <p>used for directory restoral </p> <p>first extent contained: ino xxxxxxxxxxxx off 0</p> <p>next extent to restore: ino (same as above) off 0</p> <p><br> </p> <p><br> </p> <p>and If I click 1:</p> <p>restoral interrupted use -R</p> <p>restore summery:</p> <p>stream 0: /dev/nst0 quit media no longer usable</p> <p>restore status: QUIT</p> <p><br> </p> <p>Then if I got to the directory where I pointed all I have is:</p> <p>orphanage/ </p> <p>xfsrestorehelperblahblah/   </p> <p>where orphangae is empty and the other contains like 5 files that are ju= st something else. </p> <p>What am I doing wrong here ?? any help would be great.</p> <p>Thanks</p> <p><br> </p> <p><br> </p> </div> </body> </html> --_000_SN1PR05MB231785E5196A5D31D0D833EACC230SN1PR05MB2317namp_-- From sandeen@sandeen.net Wed Jun 29 14:29:10 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3EE2F7CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 14:29:10 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9CADEAC006 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 12:29:09 -0700 (PDT) X-ASG-Debug-ID: 1467228546-04cbb02735379750001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 1OSDj1yBAiFMSY4R for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 12:29:06 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 6F4A21F1C for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 14:29:06 -0500 (CDT) Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <7e2ec911-1079-2339-b72d-8f86b13d5501@sandeen.net> Date: Wed, 29 Jun 2016 14:29:05 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1467228546 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1984 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30874 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/29/16 1:48 PM, Anthony l wrote: > Hello Anthony here, > > I'm not sure if this is the correct place to send a question, If I am > wrong I would appreciate if you could send me in the right direction. > I have come across the oss.sgi forums a lot looking for a solution to > my problem but I could not find much. > Sure, it's a fine place. Question below. > > Here's my situation. > > I have a bunch a tapes that were created way back when using an IRIX > system. Some kind of version 6, perhaps even the latest version. > anyway I am able to peak at the headers to determind the the file > type on the drive is indeed: > > xFSdump0.... or when I make a sample using 'dd if=/dev/nst0 > of=./test.img' '+ 'file test.img' I get XFSDUMP archive (version 2) > > So, instinctively to get the data off the tapes I would think would > be as simple as: > > sudo xfsrestore -f /dev/nst0 ./path to where I want it stored > > Then I get: > > using dump format 3 > > xfsrestore: searching media for dump > > xfsrestore: preparing drive > > xfsrestore: examining media file 1 > > ... > > xfsrestore examining media file xx > > the following dump has been found on drive 0: > > hostname: isp---------(stuff) > > mount point: /isp-iga > > volume: /dev/rdsk/sks0d2s7 > > session time: Mon Jan 10 11:47:42 2005 > > media label: "backup" > > file system id: xxx.... > > session id: xxx... > > media id:... > > restore this dump? > > 1: skip > > 2: restore (default) > >> 2 (enter) > > ====== > > examining media file 0 > reading directories > examining media file 1 > reading directories > ... and so on > no files selected for restoral That doesn't seem to be an actual xfsdump error string, is it? Maybe you can capture and include the entire xfsdump output, or put it in a pastebin somewhere? By the time things get hand-transcribed it's easy to lose important bits. -Eric From darrick.wong@oracle.com Wed Jun 29 15:02:50 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 4861F7CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 15:02:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 173438F8049 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 13:02:47 -0700 (PDT) X-ASG-Debug-ID: 1467230561-04cb6c063e296fd0001-NocioJ Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id y9ClNiR1eJqe2Uii (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 13:02:42 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: userp1040.oracle.com[156.151.31.81] X-Barracuda-Apparent-Source-IP: 156.151.31.81 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5TK2bsA005337 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Jun 2016 20:02:37 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u5TK2bI7003591 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 29 Jun 2016 20:02:37 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5TK2alE020458; Wed, 29 Jun 2016 20:02:36 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 29 Jun 2016 13:02:35 -0700 Date: Wed, 29 Jun 2016 13:02:34 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: Dave Chinner <david@fromorbit.com> Cc: xfs@oss.sgi.com Subject: [PATCH] xfs: lock the rt summary inode when unmapping realtime extents Message-ID: <20160629200234.GE4917@birch.djwong.org> X-ASG-Orig-Subj: [PATCH] xfs: lock the rt summary inode when unmapping realtime extents MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Barracuda-Connect: userp1040.oracle.com[156.151.31.81] X-Barracuda-Start-Time: 1467230562 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 804 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30876 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines When we're deleting realtime extents, lock the summary inode in case we need to update the summary info. This prevents an assert on the rsumip inode lock on a debug kernel. (Same idea as "xfs: lock rt summary inode on allocation".) Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> --- fs/xfs/libxfs/xfs_bmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 97820c1..9c7227b 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -5524,6 +5524,8 @@ __xfs_bunmapi( */ xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL); xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL); + xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL); + xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL); } extno = 0; From sandeen@sandeen.net Wed Jun 29 15:20:58 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1FEBA7CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 15:20:58 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8EF4BAC005 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 13:20:54 -0700 (PDT) X-ASG-Debug-ID: 1467231649-04cbb0273737c0b0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 1uFHMrYznNCVpc9N for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 13:20:50 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id B97241F1C for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 15:20:49 -0500 (CDT) Subject: Re: [PATCH] xfs: lock the rt summary inode when unmapping realtime extents To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: [PATCH] xfs: lock the rt summary inode when unmapping realtime extents References: <20160629200234.GE4917@birch.djwong.org> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <873055fd-2642-a95e-102a-40dab76ab698@sandeen.net> Date: Wed, 29 Jun 2016 15:20:49 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160629200234.GE4917@birch.djwong.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1467231650 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1160 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30876 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/29/16 3:02 PM, Darrick J. Wong wrote: > When we're deleting realtime extents, lock the summary inode > in case we need to update the summary info. This prevents an > assert on the rsumip inode lock on a debug kernel. > > (Same idea as "xfs: lock rt summary inode on allocation".) > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Makes sense to me; I wonder how/when/why this is/got/was broken.... Reviewed-by: Eric Sandeen <sandeen@redhat.com> > --- > fs/xfs/libxfs/xfs_bmap.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c > index 97820c1..9c7227b 100644 > --- a/fs/xfs/libxfs/xfs_bmap.c > +++ b/fs/xfs/libxfs/xfs_bmap.c > @@ -5524,6 +5524,8 @@ __xfs_bunmapi( > */ > xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL); > xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL); > + xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL); > + xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL); > } > > extno = 0; > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > From david@fromorbit.com Wed Jun 29 17:17:57 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id F346E7CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 17:17:56 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id B848B8F8040 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 15:17:53 -0700 (PDT) X-ASG-Debug-ID: 1467238670-04cbb0273637ff80001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id 4EFmTG1UOjYfPIcz for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 15:17:50 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CkLAD0R3RXIHvHLHlbgz6BU4ZvnXsGjEeKEIYSBAICgTM9EAEBAQEBAQEGAQEBAQEBQEBBAQQLAYN6AQEBAwE6HCMFCwgDGAklDwUlAwcaExuIDQfDKAELJR6FQoUVhAmGEgWZBY40jy+QAzWEISoygRGGOIF/AQEB Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail05.adl6.internode.on.net with ESMTP; 30 Jun 2016 07:47:49 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bINnp-0004ZX-2m; Thu, 30 Jun 2016 08:17:49 +1000 Date: Thu, 30 Jun 2016 08:17:49 +1000 From: Dave Chinner <david@fromorbit.com> To: Anthony l <Martinezant2141@live.com> Cc: "xfs@oss.sgi.com" <xfs@oss.sgi.com> Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Message-ID: <20160629221749.GP12670@dastard> X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1467238670 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1199 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30880 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 29, 2016 at 06:48:29PM +0000, Anthony l wrote: > Hello Anthony here, > > I'm not sure if this is the correct place to send a question, If I am wrong I would appreciate if you could send me in the right direction. I have come across the oss.sgi forums a lot looking for a solution to my problem but I could not find much. > > > Here's my situation. > > I have a bunch a tapes that were created way back when using an IRIX system. Some kind of version 6, perhaps even the latest version. anyway I am able to peak at the headers to determind the the file type on the drive is indeed: > > xFSdump0.... or when I make a sample using 'dd if=/dev/nst0 of=./test.img' '+ 'file test.img' I get XFSDUMP archive (version 2) dump version 2.... > So, instinctively to get the data off the tapes I would think would be as simple as: > > sudo xfsrestore -f /dev/nst0 ./path to where I want it stored > > Then I get: > > using dump format 3 Oops, wrong format version. > What am I doing wrong here ?? any help would be great. Try telling restore to use dump format version 2 by using the -K option. Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Wed Jun 29 17:21:49 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8ABF07CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 17:21:49 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 4C60F304039 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 15:21:46 -0700 (PDT) X-ASG-Debug-ID: 1467238903-04bdf074b52094e0001-NocioJ Received: from ipmail05.adl6.internode.on.net (ipmail05.adl6.internode.on.net [150.101.137.143]) by cuda.sgi.com with ESMTP id jfVay85hxJBo2SNQ for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 15:21:44 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Apparent-Source-IP: 150.101.137.143 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2BpEgBJSXRXIHvHLHlbgz6BU4ZvnXsGjEeGBoIPgXuGEgICAQECgTM7EgEBAQEBAQEGAQEBAQEBQECETQEBBCcTHCMQCAMYCSUPBSUDBxoTiC/DIAEBAQcCASQehUKFFYobBZkFjjSBc408hlSJLyUMhCUqMolIAQEB Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail05.adl6.internode.on.net with ESMTP; 30 Jun 2016 07:51:42 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bINra-0004a6-I9; Thu, 30 Jun 2016 08:21:42 +1000 Date: Thu, 30 Jun 2016 08:21:42 +1000 From: Dave Chinner <david@fromorbit.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: lock the rt summary inode when unmapping realtime extents Message-ID: <20160629222142.GQ12670@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: lock the rt summary inode when unmapping realtime extents References: <20160629200234.GE4917@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160629200234.GE4917@birch.djwong.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail05.adl6.internode.on.net[150.101.137.143] X-Barracuda-Start-Time: 1467238903 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1172 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30880 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Wed, Jun 29, 2016 at 01:02:34PM -0700, Darrick J. Wong wrote: > When we're deleting realtime extents, lock the summary inode > in case we need to update the summary info. This prevents an > assert on the rsumip inode lock on a debug kernel. > > (Same idea as "xfs: lock rt summary inode on allocation".) > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- > fs/xfs/libxfs/xfs_bmap.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c > index 97820c1..9c7227b 100644 > --- a/fs/xfs/libxfs/xfs_bmap.c > +++ b/fs/xfs/libxfs/xfs_bmap.c > @@ -5524,6 +5524,8 @@ __xfs_bunmapi( > */ > xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL); > xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL); > + xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL); > + xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL); These need a lockdep annotations, right? i.e. xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL|XFS_ILOCK_RTBITMAP); xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL|XFS_ILOCK_RTSUM); Because they are nested inside the inode ilock? Cheers, Dave. -- Dave Chinner david@fromorbit.com From darrick.wong@oracle.com Wed Jun 29 19:11:50 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id C2CFF7CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 19:11:50 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 956BD8F8059 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 17:11:47 -0700 (PDT) X-ASG-Debug-ID: 1467245497-04cb6c063d2a01a0001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id 4eYpaAw3CI02ftCY (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 17:11:37 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5U0BWYx003665 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 30 Jun 2016 00:11:33 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5U0BWcW021357 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 30 Jun 2016 00:11:32 GMT Received: from abhmp0001.oracle.com (abhmp0001.oracle.com [141.146.116.7]) by aserv0122.oracle.com (8.13.8/8.13.8) with ESMTP id u5U0BUTW024055; Thu, 30 Jun 2016 00:11:31 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 29 Jun 2016 17:11:29 -0700 Date: Wed, 29 Jun 2016 17:11:27 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: david@fromorbit.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 020/119] xfs: change xfs_bmap_{finish, cancel, init, free} -> xfs_defer_* Message-ID: <20160630001127.GF4917@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 020/119] xfs: change xfs_bmap_{finish, cancel, init, free} -> xfs_defer_* References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612639995.12839.12854314786533753722.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612639995.12839.12854314786533753722.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467245497 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 49725 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.60 X-Barracuda-Spam-Status: No, SCORE=0.60 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, MARKETING_SUBJECT, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30882 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.60 MARKETING_SUBJECT Subject contains popular marketing words 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Thu, Jun 16, 2016 at 06:20:00PM -0700, Darrick J. Wong wrote: > Drop the compatibility shims that we were using to integrate the new > deferred operation mechanism into the existing code. No new code. I've since renamed xfs_bmap_free_item to xfs_extent_free_item to better reflect the increased separation between bmap and extent free. --D > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- > fs/xfs/libxfs/xfs_attr.c | 58 ++++++++++++++++++------------------ > fs/xfs/libxfs/xfs_attr_remote.c | 14 ++++----- > fs/xfs/libxfs/xfs_bmap.c | 38 ++++++++++++------------ > fs/xfs/libxfs/xfs_bmap.h | 10 +++--- > fs/xfs/libxfs/xfs_btree.h | 5 ++- > fs/xfs/libxfs/xfs_da_btree.h | 4 +-- > fs/xfs/libxfs/xfs_defer.h | 7 ---- > fs/xfs/libxfs/xfs_dir2.c | 6 ++-- > fs/xfs/libxfs/xfs_dir2.h | 8 +++-- > fs/xfs/libxfs/xfs_ialloc.c | 6 ++-- > fs/xfs/libxfs/xfs_ialloc.h | 2 + > fs/xfs/libxfs/xfs_trans_resv.c | 4 +-- > fs/xfs/xfs_bmap_util.c | 28 +++++++++--------- > fs/xfs/xfs_dquot.c | 10 +++--- > fs/xfs/xfs_inode.c | 62 ++++++++++++++++++++------------------- > fs/xfs/xfs_inode.h | 4 +-- > fs/xfs/xfs_iomap.c | 24 ++++++++------- > fs/xfs/xfs_rtalloc.c | 8 +++-- > fs/xfs/xfs_symlink.c | 16 +++++----- > 19 files changed, 154 insertions(+), 160 deletions(-) > > > diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c > index 79d3a30..66baf97 100644 > --- a/fs/xfs/libxfs/xfs_attr.c > +++ b/fs/xfs/libxfs/xfs_attr.c > @@ -204,7 +204,7 @@ xfs_attr_set( > { > struct xfs_mount *mp = dp->i_mount; > struct xfs_da_args args; > - struct xfs_bmap_free flist; > + struct xfs_defer_ops flist; > struct xfs_trans_res tres; > xfs_fsblock_t firstblock; > int rsvd = (flags & ATTR_ROOT) != 0; > @@ -317,13 +317,13 @@ xfs_attr_set( > * It won't fit in the shortform, transform to a leaf block. > * GROT: another possible req'mt for a double-split btree op. > */ > - xfs_bmap_init(args.flist, args.firstblock); > + xfs_defer_init(args.flist, args.firstblock); > error = xfs_attr_shortform_to_leaf(&args); > if (!error) > - error = xfs_bmap_finish(&args.trans, args.flist, dp); > + error = xfs_defer_finish(&args.trans, args.flist, dp); > if (error) { > args.trans = NULL; > - xfs_bmap_cancel(&flist); > + xfs_defer_cancel(&flist); > goto out; > } > > @@ -383,7 +383,7 @@ xfs_attr_remove( > { > struct xfs_mount *mp = dp->i_mount; > struct xfs_da_args args; > - struct xfs_bmap_free flist; > + struct xfs_defer_ops flist; > xfs_fsblock_t firstblock; > int error; > > @@ -585,13 +585,13 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) > * Commit that transaction so that the node_addname() call > * can manage its own transactions. > */ > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_attr3_leaf_to_node(args); > if (!error) > - error = xfs_bmap_finish(&args->trans, args->flist, dp); > + error = xfs_defer_finish(&args->trans, args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > return error; > } > > @@ -675,15 +675,15 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) > * If the result is small enough, shrink it all into the inode. > */ > if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); > /* bp is gone due to xfs_da_shrink_inode */ > if (!error) > - error = xfs_bmap_finish(&args->trans, > + error = xfs_defer_finish(&args->trans, > args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > return error; > } > } > @@ -738,14 +738,14 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) > * If the result is small enough, shrink it all into the inode. > */ > if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); > /* bp is gone due to xfs_da_shrink_inode */ > if (!error) > - error = xfs_bmap_finish(&args->trans, args->flist, dp); > + error = xfs_defer_finish(&args->trans, args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > return error; > } > } > @@ -864,14 +864,14 @@ restart: > */ > xfs_da_state_free(state); > state = NULL; > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_attr3_leaf_to_node(args); > if (!error) > - error = xfs_bmap_finish(&args->trans, > + error = xfs_defer_finish(&args->trans, > args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > goto out; > } > > @@ -892,13 +892,13 @@ restart: > * in the index/blkno/rmtblkno/rmtblkcnt fields and > * in the index2/blkno2/rmtblkno2/rmtblkcnt2 fields. > */ > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_da3_split(state); > if (!error) > - error = xfs_bmap_finish(&args->trans, args->flist, dp); > + error = xfs_defer_finish(&args->trans, args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > goto out; > } > } else { > @@ -991,14 +991,14 @@ restart: > * Check to see if the tree needs to be collapsed. > */ > if (retval && (state->path.active > 1)) { > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_da3_join(state); > if (!error) > - error = xfs_bmap_finish(&args->trans, > + error = xfs_defer_finish(&args->trans, > args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > goto out; > } > } > @@ -1114,13 +1114,13 @@ xfs_attr_node_removename(xfs_da_args_t *args) > * Check to see if the tree needs to be collapsed. > */ > if (retval && (state->path.active > 1)) { > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_da3_join(state); > if (!error) > - error = xfs_bmap_finish(&args->trans, args->flist, dp); > + error = xfs_defer_finish(&args->trans, args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > goto out; > } > /* > @@ -1147,15 +1147,15 @@ xfs_attr_node_removename(xfs_da_args_t *args) > goto out; > > if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) { > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_attr3_leaf_to_shortform(bp, args, forkoff); > /* bp is gone due to xfs_da_shrink_inode */ > if (!error) > - error = xfs_bmap_finish(&args->trans, > + error = xfs_defer_finish(&args->trans, > args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > goto out; > } > } else > diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c > index 93a9ce1..aabb516 100644 > --- a/fs/xfs/libxfs/xfs_attr_remote.c > +++ b/fs/xfs/libxfs/xfs_attr_remote.c > @@ -461,16 +461,16 @@ xfs_attr_rmtval_set( > * extent and then crash then the block may not contain the > * correct metadata after log recovery occurs. > */ > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > nmap = 1; > error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, > blkcnt, XFS_BMAPI_ATTRFORK, args->firstblock, > args->total, &map, &nmap, args->flist); > if (!error) > - error = xfs_bmap_finish(&args->trans, args->flist, dp); > + error = xfs_defer_finish(&args->trans, args->flist, dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > return error; > } > > @@ -504,7 +504,7 @@ xfs_attr_rmtval_set( > > ASSERT(blkcnt > 0); > > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > nmap = 1; > error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno, > blkcnt, &map, &nmap, > @@ -604,16 +604,16 @@ xfs_attr_rmtval_remove( > blkcnt = args->rmtblkcnt; > done = 0; > while (!done) { > - xfs_bmap_init(args->flist, args->firstblock); > + xfs_defer_init(args->flist, args->firstblock); > error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt, > XFS_BMAPI_ATTRFORK, 1, args->firstblock, > args->flist, &done); > if (!error) > - error = xfs_bmap_finish(&args->trans, args->flist, > + error = xfs_defer_finish(&args->trans, args->flist, > args->dp); > if (error) { > args->trans = NULL; > - xfs_bmap_cancel(args->flist); > + xfs_defer_cancel(args->flist); > return error; > } > > diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c > index 64ca97f..45ce7bd 100644 > --- a/fs/xfs/libxfs/xfs_bmap.c > +++ b/fs/xfs/libxfs/xfs_bmap.c > @@ -572,7 +572,7 @@ xfs_bmap_validate_ret( > void > xfs_bmap_add_free( > struct xfs_mount *mp, /* mount point structure */ > - struct xfs_bmap_free *flist, /* list of extents */ > + struct xfs_defer_ops *flist, /* list of extents */ > xfs_fsblock_t bno, /* fs block number of extent */ > xfs_filblks_t len) /* length of extent */ > { > @@ -672,7 +672,7 @@ xfs_bmap_extents_to_btree( > xfs_trans_t *tp, /* transaction pointer */ > xfs_inode_t *ip, /* incore inode pointer */ > xfs_fsblock_t *firstblock, /* first-block-allocated */ > - xfs_bmap_free_t *flist, /* blocks freed in xaction */ > + struct xfs_defer_ops *flist, /* blocks freed in xaction */ > xfs_btree_cur_t **curp, /* cursor returned to caller */ > int wasdel, /* converting a delayed alloc */ > int *logflagsp, /* inode logging flags */ > @@ -940,7 +940,7 @@ xfs_bmap_add_attrfork_btree( > xfs_trans_t *tp, /* transaction pointer */ > xfs_inode_t *ip, /* incore inode pointer */ > xfs_fsblock_t *firstblock, /* first block allocated */ > - xfs_bmap_free_t *flist, /* blocks to free at commit */ > + struct xfs_defer_ops *flist, /* blocks to free at commit */ > int *flags) /* inode logging flags */ > { > xfs_btree_cur_t *cur; /* btree cursor */ > @@ -983,7 +983,7 @@ xfs_bmap_add_attrfork_extents( > xfs_trans_t *tp, /* transaction pointer */ > xfs_inode_t *ip, /* incore inode pointer */ > xfs_fsblock_t *firstblock, /* first block allocated */ > - xfs_bmap_free_t *flist, /* blocks to free at commit */ > + struct xfs_defer_ops *flist, /* blocks to free at commit */ > int *flags) /* inode logging flags */ > { > xfs_btree_cur_t *cur; /* bmap btree cursor */ > @@ -1018,7 +1018,7 @@ xfs_bmap_add_attrfork_local( > xfs_trans_t *tp, /* transaction pointer */ > xfs_inode_t *ip, /* incore inode pointer */ > xfs_fsblock_t *firstblock, /* first block allocated */ > - xfs_bmap_free_t *flist, /* blocks to free at commit */ > + struct xfs_defer_ops *flist, /* blocks to free at commit */ > int *flags) /* inode logging flags */ > { > xfs_da_args_t dargs; /* args for dir/attr code */ > @@ -1059,7 +1059,7 @@ xfs_bmap_add_attrfork( > int rsvd) /* xact may use reserved blks */ > { > xfs_fsblock_t firstblock; /* 1st block/ag allocated */ > - xfs_bmap_free_t flist; /* freed extent records */ > + struct xfs_defer_ops flist; /* freed extent records */ > xfs_mount_t *mp; /* mount structure */ > xfs_trans_t *tp; /* transaction pointer */ > int blks; /* space reservation */ > @@ -1125,7 +1125,7 @@ xfs_bmap_add_attrfork( > ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP); > ip->i_afp->if_flags = XFS_IFEXTENTS; > logflags = 0; > - xfs_bmap_init(&flist, &firstblock); > + xfs_defer_init(&flist, &firstblock); > switch (ip->i_d.di_format) { > case XFS_DINODE_FMT_LOCAL: > error = xfs_bmap_add_attrfork_local(tp, ip, &firstblock, &flist, > @@ -1165,7 +1165,7 @@ xfs_bmap_add_attrfork( > xfs_log_sb(tp); > } > > - error = xfs_bmap_finish(&tp, &flist, NULL); > + error = xfs_defer_finish(&tp, &flist, NULL); > if (error) > goto bmap_cancel; > error = xfs_trans_commit(tp); > @@ -1173,7 +1173,7 @@ xfs_bmap_add_attrfork( > return error; > > bmap_cancel: > - xfs_bmap_cancel(&flist); > + xfs_defer_cancel(&flist); > trans_cancel: > xfs_trans_cancel(tp); > xfs_iunlock(ip, XFS_ILOCK_EXCL); > @@ -2214,7 +2214,7 @@ xfs_bmap_add_extent_unwritten_real( > xfs_btree_cur_t **curp, /* if *curp is null, not a btree */ > xfs_bmbt_irec_t *new, /* new data to add to file extents */ > xfs_fsblock_t *first, /* pointer to firstblock variable */ > - xfs_bmap_free_t *flist, /* list of extents to be freed */ > + struct xfs_defer_ops *flist, /* list of extents to be freed */ > int *logflagsp) /* inode logging flags */ > { > xfs_btree_cur_t *cur; /* btree cursor */ > @@ -4447,7 +4447,7 @@ xfs_bmapi_write( > xfs_extlen_t total, /* total blocks needed */ > struct xfs_bmbt_irec *mval, /* output: map values */ > int *nmap, /* i/o: mval size/count */ > - struct xfs_bmap_free *flist) /* i/o: list extents to free */ > + struct xfs_defer_ops *flist) /* i/o: list extents to free */ > { > struct xfs_mount *mp = ip->i_mount; > struct xfs_ifork *ifp; > @@ -4735,7 +4735,7 @@ xfs_bmap_del_extent( > xfs_inode_t *ip, /* incore inode pointer */ > xfs_trans_t *tp, /* current transaction pointer */ > xfs_extnum_t *idx, /* extent number to update/delete */ > - xfs_bmap_free_t *flist, /* list of extents to be freed */ > + struct xfs_defer_ops *flist, /* list of extents to be freed */ > xfs_btree_cur_t *cur, /* if null, not a btree */ > xfs_bmbt_irec_t *del, /* data to remove from extents */ > int *logflagsp, /* inode logging flags */ > @@ -5064,7 +5064,7 @@ xfs_bunmapi( > xfs_extnum_t nexts, /* number of extents max */ > xfs_fsblock_t *firstblock, /* first allocated block > controls a.g. for allocs */ > - xfs_bmap_free_t *flist, /* i/o: list extents to free */ > + struct xfs_defer_ops *flist, /* i/o: list extents to free */ > int *done) /* set if not done yet */ > { > xfs_btree_cur_t *cur; /* bmap btree cursor */ > @@ -5678,7 +5678,7 @@ xfs_bmap_shift_extents( > int *done, > xfs_fileoff_t stop_fsb, > xfs_fsblock_t *firstblock, > - struct xfs_bmap_free *flist, > + struct xfs_defer_ops *flist, > enum shift_direction direction, > int num_exts) > { > @@ -5832,7 +5832,7 @@ xfs_bmap_split_extent_at( > struct xfs_inode *ip, > xfs_fileoff_t split_fsb, > xfs_fsblock_t *firstfsb, > - struct xfs_bmap_free *free_list) > + struct xfs_defer_ops *free_list) > { > int whichfork = XFS_DATA_FORK; > struct xfs_btree_cur *cur = NULL; > @@ -5971,7 +5971,7 @@ xfs_bmap_split_extent( > { > struct xfs_mount *mp = ip->i_mount; > struct xfs_trans *tp; > - struct xfs_bmap_free free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t firstfsb; > int error; > > @@ -5983,21 +5983,21 @@ xfs_bmap_split_extent( > xfs_ilock(ip, XFS_ILOCK_EXCL); > xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); > > - xfs_bmap_init(&free_list, &firstfsb); > + xfs_defer_init(&free_list, &firstfsb); > > error = xfs_bmap_split_extent_at(tp, ip, split_fsb, > &firstfsb, &free_list); > if (error) > goto out; > > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto out; > > return xfs_trans_commit(tp); > > out: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > xfs_trans_cancel(tp); > return error; > } > diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h > index 6681bd9..e2a0425 100644 > --- a/fs/xfs/libxfs/xfs_bmap.h > +++ b/fs/xfs/libxfs/xfs_bmap.h > @@ -32,7 +32,7 @@ extern kmem_zone_t *xfs_bmap_free_item_zone; > */ > struct xfs_bmalloca { > xfs_fsblock_t *firstblock; /* i/o first block allocated */ > - struct xfs_bmap_free *flist; /* bmap freelist */ > + struct xfs_defer_ops *flist; /* bmap freelist */ > struct xfs_trans *tp; /* transaction pointer */ > struct xfs_inode *ip; /* incore inode pointer */ > struct xfs_bmbt_irec prev; /* extent before the new one */ > @@ -164,7 +164,7 @@ void xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt, > > int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); > void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork); > -void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist, > +void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_defer_ops *flist, > xfs_fsblock_t bno, xfs_filblks_t len); > void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork); > int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip, > @@ -186,18 +186,18 @@ int xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip, > xfs_fileoff_t bno, xfs_filblks_t len, int flags, > xfs_fsblock_t *firstblock, xfs_extlen_t total, > struct xfs_bmbt_irec *mval, int *nmap, > - struct xfs_bmap_free *flist); > + struct xfs_defer_ops *flist); > int xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip, > xfs_fileoff_t bno, xfs_filblks_t len, int flags, > xfs_extnum_t nexts, xfs_fsblock_t *firstblock, > - struct xfs_bmap_free *flist, int *done); > + struct xfs_defer_ops *flist, int *done); > int xfs_check_nostate_extents(struct xfs_ifork *ifp, xfs_extnum_t idx, > xfs_extnum_t num); > uint xfs_default_attroffset(struct xfs_inode *ip); > int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip, > xfs_fileoff_t *next_fsb, xfs_fileoff_t offset_shift_fsb, > int *done, xfs_fileoff_t stop_fsb, xfs_fsblock_t *firstblock, > - struct xfs_bmap_free *flist, enum shift_direction direction, > + struct xfs_defer_ops *flist, enum shift_direction direction, > int num_exts); > int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset); > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index 0ec3055..ae714a8 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -19,7 +19,7 @@ > #define __XFS_BTREE_H__ > > struct xfs_buf; > -struct xfs_bmap_free; > +struct xfs_defer_ops; > struct xfs_inode; > struct xfs_mount; > struct xfs_trans; > @@ -234,11 +234,12 @@ typedef struct xfs_btree_cur > union { > struct { /* needed for BNO, CNT, INO */ > struct xfs_buf *agbp; /* agf/agi buffer pointer */ > + struct xfs_defer_ops *flist; /* deferred updates */ > xfs_agnumber_t agno; /* ag number */ > } a; > struct { /* needed for BMAP */ > struct xfs_inode *ip; /* pointer to our inode */ > - struct xfs_bmap_free *flist; /* list to free after */ > + struct xfs_defer_ops *flist; /* deferred updates */ > xfs_fsblock_t firstblock; /* 1st blk allocated */ > int allocated; /* count of alloced */ > short forksize; /* fork's inode space */ > diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h > index 6e153e3..249813a 100644 > --- a/fs/xfs/libxfs/xfs_da_btree.h > +++ b/fs/xfs/libxfs/xfs_da_btree.h > @@ -19,7 +19,7 @@ > #ifndef __XFS_DA_BTREE_H__ > #define __XFS_DA_BTREE_H__ > > -struct xfs_bmap_free; > +struct xfs_defer_ops; > struct xfs_inode; > struct xfs_trans; > struct zone; > @@ -70,7 +70,7 @@ typedef struct xfs_da_args { > xfs_ino_t inumber; /* input/output inode number */ > struct xfs_inode *dp; /* directory inode to manipulate */ > xfs_fsblock_t *firstblock; /* ptr to firstblock for bmap calls */ > - struct xfs_bmap_free *flist; /* ptr to freelist for bmap_finish */ > + struct xfs_defer_ops *flist; /* ptr to freelist for bmap_finish */ > struct xfs_trans *trans; /* current trans (changes over time) */ > xfs_extlen_t total; /* total blocks needed, for 1st bmap */ > int whichfork; /* data or attribute fork */ > diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h > index 4c05ba6..743fc32 100644 > --- a/fs/xfs/libxfs/xfs_defer.h > +++ b/fs/xfs/libxfs/xfs_defer.h > @@ -94,11 +94,4 @@ struct xfs_defer_op_type { > void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); > void xfs_defer_init_types(void); > > -/* XXX: compatibility shims, will go away in the next patch */ > -#define xfs_bmap_finish xfs_defer_finish > -#define xfs_bmap_cancel xfs_defer_cancel > -#define xfs_bmap_init xfs_defer_init > -#define xfs_bmap_free xfs_defer_ops > -typedef struct xfs_defer_ops xfs_bmap_free_t; > - > #endif /* __XFS_DEFER_H__ */ > diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c > index 945c0345..0523100 100644 > --- a/fs/xfs/libxfs/xfs_dir2.c > +++ b/fs/xfs/libxfs/xfs_dir2.c > @@ -260,7 +260,7 @@ xfs_dir_createname( > struct xfs_name *name, > xfs_ino_t inum, /* new entry inode number */ > xfs_fsblock_t *first, /* bmap's firstblock */ > - xfs_bmap_free_t *flist, /* bmap's freeblock list */ > + struct xfs_defer_ops *flist, /* bmap's freeblock list */ > xfs_extlen_t total) /* bmap's total block count */ > { > struct xfs_da_args *args; > @@ -437,7 +437,7 @@ xfs_dir_removename( > struct xfs_name *name, > xfs_ino_t ino, > xfs_fsblock_t *first, /* bmap's firstblock */ > - xfs_bmap_free_t *flist, /* bmap's freeblock list */ > + struct xfs_defer_ops *flist, /* bmap's freeblock list */ > xfs_extlen_t total) /* bmap's total block count */ > { > struct xfs_da_args *args; > @@ -499,7 +499,7 @@ xfs_dir_replace( > struct xfs_name *name, /* name of entry to replace */ > xfs_ino_t inum, /* new inode number */ > xfs_fsblock_t *first, /* bmap's firstblock */ > - xfs_bmap_free_t *flist, /* bmap's freeblock list */ > + struct xfs_defer_ops *flist, /* bmap's freeblock list */ > xfs_extlen_t total) /* bmap's total block count */ > { > struct xfs_da_args *args; > diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h > index 0a62e73..5737d85 100644 > --- a/fs/xfs/libxfs/xfs_dir2.h > +++ b/fs/xfs/libxfs/xfs_dir2.h > @@ -18,7 +18,7 @@ > #ifndef __XFS_DIR2_H__ > #define __XFS_DIR2_H__ > > -struct xfs_bmap_free; > +struct xfs_defer_ops; > struct xfs_da_args; > struct xfs_inode; > struct xfs_mount; > @@ -129,18 +129,18 @@ extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, > extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, > struct xfs_name *name, xfs_ino_t inum, > xfs_fsblock_t *first, > - struct xfs_bmap_free *flist, xfs_extlen_t tot); > + struct xfs_defer_ops *flist, xfs_extlen_t tot); > extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, > struct xfs_name *name, xfs_ino_t *inum, > struct xfs_name *ci_name); > extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, > struct xfs_name *name, xfs_ino_t ino, > xfs_fsblock_t *first, > - struct xfs_bmap_free *flist, xfs_extlen_t tot); > + struct xfs_defer_ops *flist, xfs_extlen_t tot); > extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, > struct xfs_name *name, xfs_ino_t inum, > xfs_fsblock_t *first, > - struct xfs_bmap_free *flist, xfs_extlen_t tot); > + struct xfs_defer_ops *flist, xfs_extlen_t tot); > extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, > struct xfs_name *name); > > diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c > index 9ae9a43..f2e29a1 100644 > --- a/fs/xfs/libxfs/xfs_ialloc.c > +++ b/fs/xfs/libxfs/xfs_ialloc.c > @@ -1818,7 +1818,7 @@ xfs_difree_inode_chunk( > struct xfs_mount *mp, > xfs_agnumber_t agno, > struct xfs_inobt_rec_incore *rec, > - struct xfs_bmap_free *flist) > + struct xfs_defer_ops *flist) > { > xfs_agblock_t sagbno = XFS_AGINO_TO_AGBNO(mp, rec->ir_startino); > int startidx, endidx; > @@ -1890,7 +1890,7 @@ xfs_difree_inobt( > struct xfs_trans *tp, > struct xfs_buf *agbp, > xfs_agino_t agino, > - struct xfs_bmap_free *flist, > + struct xfs_defer_ops *flist, > struct xfs_icluster *xic, > struct xfs_inobt_rec_incore *orec) > { > @@ -2122,7 +2122,7 @@ int > xfs_difree( > struct xfs_trans *tp, /* transaction pointer */ > xfs_ino_t inode, /* inode to be freed */ > - struct xfs_bmap_free *flist, /* extents to free */ > + struct xfs_defer_ops *flist, /* extents to free */ > struct xfs_icluster *xic) /* cluster info if deleted */ > { > /* REFERENCED */ > diff --git a/fs/xfs/libxfs/xfs_ialloc.h b/fs/xfs/libxfs/xfs_ialloc.h > index 6e450df..2e06b67 100644 > --- a/fs/xfs/libxfs/xfs_ialloc.h > +++ b/fs/xfs/libxfs/xfs_ialloc.h > @@ -95,7 +95,7 @@ int /* error */ > xfs_difree( > struct xfs_trans *tp, /* transaction pointer */ > xfs_ino_t inode, /* inode to be freed */ > - struct xfs_bmap_free *flist, /* extents to free */ > + struct xfs_defer_ops *flist, /* extents to free */ > struct xfs_icluster *ifree); /* cluster info if deleted */ > > /* > diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c > index 68cb1e7..4c7eb9d 100644 > --- a/fs/xfs/libxfs/xfs_trans_resv.c > +++ b/fs/xfs/libxfs/xfs_trans_resv.c > @@ -153,9 +153,9 @@ xfs_calc_finobt_res( > * item logged to try to account for the overhead of the transaction mechanism. > * > * Note: Most of the reservations underestimate the number of allocation > - * groups into which they could free extents in the xfs_bmap_finish() call. > + * groups into which they could free extents in the xfs_defer_finish() call. > * This is because the number in the worst case is quite high and quite > - * unusual. In order to fix this we need to change xfs_bmap_finish() to free > + * unusual. In order to fix this we need to change xfs_defer_finish() to free > * extents in only a single AG at a time. This will require changes to the > * EFI code as well, however, so that the EFI for the extents not freed is > * logged again in each transaction. See SGI PV #261917. > diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c > index 972a27a..928dfa4 100644 > --- a/fs/xfs/xfs_bmap_util.c > +++ b/fs/xfs/xfs_bmap_util.c > @@ -685,7 +685,7 @@ xfs_bmap_punch_delalloc_range( > xfs_bmbt_irec_t imap; > int nimaps = 1; > xfs_fsblock_t firstblock; > - xfs_bmap_free_t flist; > + struct xfs_defer_ops flist; > > /* > * Map the range first and check that it is a delalloc extent > @@ -721,7 +721,7 @@ xfs_bmap_punch_delalloc_range( > * allocated or freed for a delalloc extent and hence we need > * don't cancel or finish them after the xfs_bunmapi() call. > */ > - xfs_bmap_init(&flist, &firstblock); > + xfs_defer_init(&flist, &firstblock); > error = xfs_bunmapi(NULL, ip, start_fsb, 1, 0, 1, &firstblock, > &flist, &done); > if (error) > @@ -884,7 +884,7 @@ xfs_alloc_file_space( > int rt; > xfs_trans_t *tp; > xfs_bmbt_irec_t imaps[1], *imapp; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > uint qblocks, resblks, resrtextents; > int error; > > @@ -975,7 +975,7 @@ xfs_alloc_file_space( > > xfs_trans_ijoin(tp, ip, 0); > > - xfs_bmap_init(&free_list, &firstfsb); > + xfs_defer_init(&free_list, &firstfsb); > error = xfs_bmapi_write(tp, ip, startoffset_fsb, > allocatesize_fsb, alloc_type, &firstfsb, > resblks, imapp, &nimaps, &free_list); > @@ -985,7 +985,7 @@ xfs_alloc_file_space( > /* > * Complete the transaction > */ > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto error0; > > @@ -1008,7 +1008,7 @@ xfs_alloc_file_space( > return error; > > error0: /* Cancel bmap, unlock inode, unreserve quota blocks, cancel trans */ > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > xfs_trans_unreserve_quota_nblks(tp, ip, (long)qblocks, 0, quota_flag); > > error1: /* Just cancel transaction */ > @@ -1122,7 +1122,7 @@ xfs_free_file_space( > xfs_fileoff_t endoffset_fsb; > int error; > xfs_fsblock_t firstfsb; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > xfs_bmbt_irec_t imap; > xfs_off_t ioffset; > xfs_off_t iendoffset; > @@ -1245,7 +1245,7 @@ xfs_free_file_space( > /* > * issue the bunmapi() call to free the blocks > */ > - xfs_bmap_init(&free_list, &firstfsb); > + xfs_defer_init(&free_list, &firstfsb); > error = xfs_bunmapi(tp, ip, startoffset_fsb, > endoffset_fsb - startoffset_fsb, > 0, 2, &firstfsb, &free_list, &done); > @@ -1255,7 +1255,7 @@ xfs_free_file_space( > /* > * complete the transaction > */ > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, ip); > if (error) > goto error0; > > @@ -1267,7 +1267,7 @@ xfs_free_file_space( > return error; > > error0: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > error1: > xfs_trans_cancel(tp); > xfs_iunlock(ip, XFS_ILOCK_EXCL); > @@ -1333,7 +1333,7 @@ xfs_shift_file_space( > struct xfs_mount *mp = ip->i_mount; > struct xfs_trans *tp; > int error; > - struct xfs_bmap_free free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t first_block; > xfs_fileoff_t stop_fsb; > xfs_fileoff_t next_fsb; > @@ -1411,7 +1411,7 @@ xfs_shift_file_space( > > xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); > > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > > /* > * We are using the write transaction in which max 2 bmbt > @@ -1423,7 +1423,7 @@ xfs_shift_file_space( > if (error) > goto out_bmap_cancel; > > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto out_bmap_cancel; > > @@ -1433,7 +1433,7 @@ xfs_shift_file_space( > return error; > > out_bmap_cancel: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > out_trans_cancel: > xfs_trans_cancel(tp); > return error; > diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c > index be17f0a..764e1cc 100644 > --- a/fs/xfs/xfs_dquot.c > +++ b/fs/xfs/xfs_dquot.c > @@ -307,7 +307,7 @@ xfs_qm_dqalloc( > xfs_buf_t **O_bpp) > { > xfs_fsblock_t firstblock; > - xfs_bmap_free_t flist; > + struct xfs_defer_ops flist; > xfs_bmbt_irec_t map; > int nmaps, error; > xfs_buf_t *bp; > @@ -320,7 +320,7 @@ xfs_qm_dqalloc( > /* > * Initialize the bmap freelist prior to calling bmapi code. > */ > - xfs_bmap_init(&flist, &firstblock); > + xfs_defer_init(&flist, &firstblock); > xfs_ilock(quotip, XFS_ILOCK_EXCL); > /* > * Return if this type of quotas is turned off while we didn't > @@ -368,7 +368,7 @@ xfs_qm_dqalloc( > dqp->dq_flags & XFS_DQ_ALLTYPES, bp); > > /* > - * xfs_bmap_finish() may commit the current transaction and > + * xfs_defer_finish() may commit the current transaction and > * start a second transaction if the freelist is not empty. > * > * Since we still want to modify this buffer, we need to > @@ -382,7 +382,7 @@ xfs_qm_dqalloc( > > xfs_trans_bhold(tp, bp); > > - error = xfs_bmap_finish(tpp, &flist, NULL); > + error = xfs_defer_finish(tpp, &flist, NULL); > if (error) > goto error1; > > @@ -398,7 +398,7 @@ xfs_qm_dqalloc( > return 0; > > error1: > - xfs_bmap_cancel(&flist); > + xfs_defer_cancel(&flist); > error0: > xfs_iunlock(quotip, XFS_ILOCK_EXCL); > > diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c > index d2389bb..3ce50da 100644 > --- a/fs/xfs/xfs_inode.c > +++ b/fs/xfs/xfs_inode.c > @@ -1123,7 +1123,7 @@ xfs_create( > struct xfs_inode *ip = NULL; > struct xfs_trans *tp = NULL; > int error; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t first_block; > bool unlock_dp_on_error = false; > prid_t prid; > @@ -1183,7 +1183,7 @@ xfs_create( > XFS_IOLOCK_PARENT | XFS_ILOCK_PARENT); > unlock_dp_on_error = true; > > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > > /* > * Reserve disk quota and the inode. > @@ -1254,7 +1254,7 @@ xfs_create( > */ > xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp); > > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto out_bmap_cancel; > > @@ -1270,7 +1270,7 @@ xfs_create( > return 0; > > out_bmap_cancel: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > out_trans_cancel: > xfs_trans_cancel(tp); > out_release_inode: > @@ -1402,7 +1402,7 @@ xfs_link( > xfs_mount_t *mp = tdp->i_mount; > xfs_trans_t *tp; > int error; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t first_block; > int resblks; > > @@ -1453,7 +1453,7 @@ xfs_link( > goto error_return; > } > > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > > /* > * Handle initial link state of O_TMPFILE inode > @@ -1483,9 +1483,9 @@ xfs_link( > if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) > xfs_trans_set_sync(tp); > > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) { > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > goto error_return; > } > > @@ -1527,7 +1527,7 @@ xfs_itruncate_extents( > { > struct xfs_mount *mp = ip->i_mount; > struct xfs_trans *tp = *tpp; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t first_block; > xfs_fileoff_t first_unmap_block; > xfs_fileoff_t last_block; > @@ -1563,7 +1563,7 @@ xfs_itruncate_extents( > ASSERT(first_unmap_block < last_block); > unmap_len = last_block - first_unmap_block + 1; > while (!done) { > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > error = xfs_bunmapi(tp, ip, > first_unmap_block, unmap_len, > xfs_bmapi_aflag(whichfork), > @@ -1577,7 +1577,7 @@ xfs_itruncate_extents( > * Duplicate the transaction that has the permanent > * reservation and commit the old transaction. > */ > - error = xfs_bmap_finish(&tp, &free_list, ip); > + error = xfs_defer_finish(&tp, &free_list, ip); > if (error) > goto out_bmap_cancel; > > @@ -1603,7 +1603,7 @@ out_bmap_cancel: > * the transaction can be properly aborted. We just need to make sure > * we're not holding any resources that we were not when we came in. > */ > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > goto out; > } > > @@ -1744,7 +1744,7 @@ STATIC int > xfs_inactive_ifree( > struct xfs_inode *ip) > { > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t first_block; > struct xfs_mount *mp = ip->i_mount; > struct xfs_trans *tp; > @@ -1781,7 +1781,7 @@ xfs_inactive_ifree( > xfs_ilock(ip, XFS_ILOCK_EXCL); > xfs_trans_ijoin(tp, ip, 0); > > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > error = xfs_ifree(tp, ip, &free_list); > if (error) { > /* > @@ -1808,11 +1808,11 @@ xfs_inactive_ifree( > * Just ignore errors at this point. There is nothing we can do except > * to try to keep going. Make sure it's not a silent error. > */ > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) { > - xfs_notice(mp, "%s: xfs_bmap_finish returned error %d", > + xfs_notice(mp, "%s: xfs_defer_finish returned error %d", > __func__, error); > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > } > error = xfs_trans_commit(tp); > if (error) > @@ -2368,7 +2368,7 @@ int > xfs_ifree( > xfs_trans_t *tp, > xfs_inode_t *ip, > - xfs_bmap_free_t *flist) > + struct xfs_defer_ops *flist) > { > int error; > struct xfs_icluster xic = { 0 }; > @@ -2475,7 +2475,7 @@ xfs_iunpin_wait( > * directory entry. > * > * This is still safe from a transactional point of view - it is not until we > - * get to xfs_bmap_finish() that we have the possibility of multiple > + * get to xfs_defer_finish() that we have the possibility of multiple > * transactions in this operation. Hence as long as we remove the directory > * entry and drop the link count in the first transaction of the remove > * operation, there are no transactional constraints on the ordering here. > @@ -2490,7 +2490,7 @@ xfs_remove( > xfs_trans_t *tp = NULL; > int is_dir = S_ISDIR(VFS_I(ip)->i_mode); > int error = 0; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t first_block; > uint resblks; > > @@ -2572,7 +2572,7 @@ xfs_remove( > if (error) > goto out_trans_cancel; > > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > error = xfs_dir_removename(tp, dp, name, ip->i_ino, > &first_block, &free_list, resblks); > if (error) { > @@ -2588,7 +2588,7 @@ xfs_remove( > if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) > xfs_trans_set_sync(tp); > > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto out_bmap_cancel; > > @@ -2602,7 +2602,7 @@ xfs_remove( > return 0; > > out_bmap_cancel: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > out_trans_cancel: > xfs_trans_cancel(tp); > std_return: > @@ -2663,7 +2663,7 @@ xfs_sort_for_rename( > static int > xfs_finish_rename( > struct xfs_trans *tp, > - struct xfs_bmap_free *free_list) > + struct xfs_defer_ops *free_list) > { > int error; > > @@ -2674,9 +2674,9 @@ xfs_finish_rename( > if (tp->t_mountp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) > xfs_trans_set_sync(tp); > > - error = xfs_bmap_finish(&tp, free_list, NULL); > + error = xfs_defer_finish(&tp, free_list, NULL); > if (error) { > - xfs_bmap_cancel(free_list); > + xfs_defer_cancel(free_list); > xfs_trans_cancel(tp); > return error; > } > @@ -2698,7 +2698,7 @@ xfs_cross_rename( > struct xfs_inode *dp2, > struct xfs_name *name2, > struct xfs_inode *ip2, > - struct xfs_bmap_free *free_list, > + struct xfs_defer_ops *free_list, > xfs_fsblock_t *first_block, > int spaceres) > { > @@ -2801,7 +2801,7 @@ xfs_cross_rename( > return xfs_finish_rename(tp, free_list); > > out_trans_abort: > - xfs_bmap_cancel(free_list); > + xfs_defer_cancel(free_list); > xfs_trans_cancel(tp); > return error; > } > @@ -2856,7 +2856,7 @@ xfs_rename( > { > struct xfs_mount *mp = src_dp->i_mount; > struct xfs_trans *tp; > - struct xfs_bmap_free free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t first_block; > struct xfs_inode *wip = NULL; /* whiteout inode */ > struct xfs_inode *inodes[__XFS_SORT_INODES]; > @@ -2945,7 +2945,7 @@ xfs_rename( > goto out_trans_cancel; > } > > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > > /* RENAME_EXCHANGE is unique from here on. */ > if (flags & RENAME_EXCHANGE) > @@ -3131,7 +3131,7 @@ xfs_rename( > return error; > > out_bmap_cancel: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > out_trans_cancel: > xfs_trans_cancel(tp); > out_release_wip: > diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h > index 99d7522..633f2af 100644 > --- a/fs/xfs/xfs_inode.h > +++ b/fs/xfs/xfs_inode.h > @@ -27,7 +27,7 @@ > struct xfs_dinode; > struct xfs_inode; > struct xfs_buf; > -struct xfs_bmap_free; > +struct xfs_defer_ops; > struct xfs_bmbt_irec; > struct xfs_inode_log_item; > struct xfs_mount; > @@ -398,7 +398,7 @@ uint xfs_ilock_attr_map_shared(struct xfs_inode *); > > uint xfs_ip2xflags(struct xfs_inode *); > int xfs_ifree(struct xfs_trans *, xfs_inode_t *, > - struct xfs_bmap_free *); > + struct xfs_defer_ops *); > int xfs_itruncate_extents(struct xfs_trans **, struct xfs_inode *, > int, xfs_fsize_t); > void xfs_iext_realloc(xfs_inode_t *, int, int); > diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c > index b090bc1..cb7abe84 100644 > --- a/fs/xfs/xfs_iomap.c > +++ b/fs/xfs/xfs_iomap.c > @@ -128,7 +128,7 @@ xfs_iomap_write_direct( > int quota_flag; > int rt; > xfs_trans_t *tp; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > uint qblocks, resblks, resrtextents; > int error; > int lockmode; > @@ -231,7 +231,7 @@ xfs_iomap_write_direct( > * From this point onwards we overwrite the imap pointer that the > * caller gave to us. > */ > - xfs_bmap_init(&free_list, &firstfsb); > + xfs_defer_init(&free_list, &firstfsb); > nimaps = 1; > error = xfs_bmapi_write(tp, ip, offset_fsb, count_fsb, > bmapi_flags, &firstfsb, resblks, imap, > @@ -242,7 +242,7 @@ xfs_iomap_write_direct( > /* > * Complete the transaction > */ > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto out_bmap_cancel; > > @@ -266,7 +266,7 @@ out_unlock: > return error; > > out_bmap_cancel: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > xfs_trans_unreserve_quota_nblks(tp, ip, (long)qblocks, 0, quota_flag); > out_trans_cancel: > xfs_trans_cancel(tp); > @@ -685,7 +685,7 @@ xfs_iomap_write_allocate( > xfs_fileoff_t offset_fsb, last_block; > xfs_fileoff_t end_fsb, map_start_fsb; > xfs_fsblock_t first_block; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > xfs_filblks_t count_fsb; > xfs_trans_t *tp; > int nimaps; > @@ -727,7 +727,7 @@ xfs_iomap_write_allocate( > xfs_ilock(ip, XFS_ILOCK_EXCL); > xfs_trans_ijoin(tp, ip, 0); > > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > > /* > * it is possible that the extents have changed since > @@ -787,7 +787,7 @@ xfs_iomap_write_allocate( > if (error) > goto trans_cancel; > > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto trans_cancel; > > @@ -821,7 +821,7 @@ xfs_iomap_write_allocate( > } > > trans_cancel: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > xfs_trans_cancel(tp); > error0: > xfs_iunlock(ip, XFS_ILOCK_EXCL); > @@ -842,7 +842,7 @@ xfs_iomap_write_unwritten( > int nimaps; > xfs_trans_t *tp; > xfs_bmbt_irec_t imap; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > xfs_fsize_t i_size; > uint resblks; > int error; > @@ -886,7 +886,7 @@ xfs_iomap_write_unwritten( > /* > * Modify the unwritten extent state of the buffer. > */ > - xfs_bmap_init(&free_list, &firstfsb); > + xfs_defer_init(&free_list, &firstfsb); > nimaps = 1; > error = xfs_bmapi_write(tp, ip, offset_fsb, count_fsb, > XFS_BMAPI_CONVERT, &firstfsb, resblks, > @@ -909,7 +909,7 @@ xfs_iomap_write_unwritten( > xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); > } > > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto error_on_bmapi_transaction; > > @@ -936,7 +936,7 @@ xfs_iomap_write_unwritten( > return 0; > > error_on_bmapi_transaction: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > xfs_trans_cancel(tp); > xfs_iunlock(ip, XFS_ILOCK_EXCL); > return error; > diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c > index 627f7e6..c761a6a 100644 > --- a/fs/xfs/xfs_rtalloc.c > +++ b/fs/xfs/xfs_rtalloc.c > @@ -770,7 +770,7 @@ xfs_growfs_rt_alloc( > xfs_daddr_t d; /* disk block address */ > int error; /* error return value */ > xfs_fsblock_t firstblock;/* first block allocated in xaction */ > - struct xfs_bmap_free flist; /* list of freed blocks */ > + struct xfs_defer_ops flist; /* list of freed blocks */ > xfs_fsblock_t fsbno; /* filesystem block for bno */ > struct xfs_bmbt_irec map; /* block map output */ > int nmap; /* number of block maps */ > @@ -795,7 +795,7 @@ xfs_growfs_rt_alloc( > xfs_ilock(ip, XFS_ILOCK_EXCL); > xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); > > - xfs_bmap_init(&flist, &firstblock); > + xfs_defer_init(&flist, &firstblock); > /* > * Allocate blocks to the bitmap file. > */ > @@ -810,7 +810,7 @@ xfs_growfs_rt_alloc( > /* > * Free any blocks freed up in the transaction, then commit. > */ > - error = xfs_bmap_finish(&tp, &flist, NULL); > + error = xfs_defer_finish(&tp, &flist, NULL); > if (error) > goto out_bmap_cancel; > error = xfs_trans_commit(tp); > @@ -863,7 +863,7 @@ xfs_growfs_rt_alloc( > return 0; > > out_bmap_cancel: > - xfs_bmap_cancel(&flist); > + xfs_defer_cancel(&flist); > out_trans_cancel: > xfs_trans_cancel(tp); > return error; > diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c > index 20af47b..3b005ec 100644 > --- a/fs/xfs/xfs_symlink.c > +++ b/fs/xfs/xfs_symlink.c > @@ -173,7 +173,7 @@ xfs_symlink( > struct xfs_inode *ip = NULL; > int error = 0; > int pathlen; > - struct xfs_bmap_free free_list; > + struct xfs_defer_ops free_list; > xfs_fsblock_t first_block; > bool unlock_dp_on_error = false; > xfs_fileoff_t first_fsb; > @@ -270,7 +270,7 @@ xfs_symlink( > * Initialize the bmap freelist prior to calling either > * bmapi or the directory create code. > */ > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > > /* > * Allocate an inode for the symlink. > @@ -377,7 +377,7 @@ xfs_symlink( > xfs_trans_set_sync(tp); > } > > - error = xfs_bmap_finish(&tp, &free_list, NULL); > + error = xfs_defer_finish(&tp, &free_list, NULL); > if (error) > goto out_bmap_cancel; > > @@ -393,7 +393,7 @@ xfs_symlink( > return 0; > > out_bmap_cancel: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > out_trans_cancel: > xfs_trans_cancel(tp); > out_release_inode: > @@ -427,7 +427,7 @@ xfs_inactive_symlink_rmt( > int done; > int error; > xfs_fsblock_t first_block; > - xfs_bmap_free_t free_list; > + struct xfs_defer_ops free_list; > int i; > xfs_mount_t *mp; > xfs_bmbt_irec_t mval[XFS_SYMLINK_MAPS]; > @@ -466,7 +466,7 @@ xfs_inactive_symlink_rmt( > * Find the block(s) so we can inval and unmap them. > */ > done = 0; > - xfs_bmap_init(&free_list, &first_block); > + xfs_defer_init(&free_list, &first_block); > nmaps = ARRAY_SIZE(mval); > error = xfs_bmapi_read(ip, 0, xfs_symlink_blocks(mp, size), > mval, &nmaps, 0); > @@ -496,7 +496,7 @@ xfs_inactive_symlink_rmt( > /* > * Commit the first transaction. This logs the EFI and the inode. > */ > - error = xfs_bmap_finish(&tp, &free_list, ip); > + error = xfs_defer_finish(&tp, &free_list, ip); > if (error) > goto error_bmap_cancel; > /* > @@ -526,7 +526,7 @@ xfs_inactive_symlink_rmt( > return 0; > > error_bmap_cancel: > - xfs_bmap_cancel(&free_list); > + xfs_defer_cancel(&free_list); > error_trans_cancel: > xfs_trans_cancel(tp); > error_unlock: > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From darrick.wong@oracle.com Wed Jun 29 19:15:18 2016 Return-Path: <darrick.wong@oracle.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 88F1B7CA1 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 19:15:18 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 4B6DC8F8040 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 17:15:18 -0700 (PDT) X-ASG-Debug-ID: 1467245714-04cbb02735386a40001-NocioJ Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by cuda.sgi.com with ESMTP id JEDfHPaRVkzFonho (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 17:15:14 -0700 (PDT) X-Barracuda-Envelope-From: darrick.wong@oracle.com X-Barracuda-Effective-Source-IP: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Apparent-Source-IP: 141.146.126.69 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5U0FBmC006778 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 30 Jun 2016 00:15:12 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5U0FBRE015170 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 30 Jun 2016 00:15:11 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5U0FAtp019549; Thu, 30 Jun 2016 00:15:10 GMT Received: from localhost (/10.145.178.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 29 Jun 2016 17:15:10 -0700 Date: Wed, 29 Jun 2016 17:15:08 -0700 From: "Darrick J. Wong" <darrick.wong@oracle.com> To: david@fromorbit.com Cc: linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, xfs@oss.sgi.com Subject: Re: [PATCH 038/119] xfs: convert unwritten status of reverse mappings Message-ID: <20160630001507.GG4917@birch.djwong.org> X-ASG-Orig-Subj: Re: [PATCH 038/119] xfs: convert unwritten status of reverse mappings References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612651582.12839.562287367335619574.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612651582.12839.562287367335619574.stgit@birch.djwong.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Source-IP: userv0021.oracle.com [156.151.31.71] X-Barracuda-Connect: aserp1040.oracle.com[141.146.126.69] X-Barracuda-Start-Time: 1467245714 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 16628 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, UNPARSEABLE_RELAY X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30882 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 UNPARSEABLE_RELAY Informational: message has unparseable relay lines On Thu, Jun 16, 2016 at 06:21:55PM -0700, Darrick J. Wong wrote: > Provide a function to convert an unwritten extent to a real one and > vice versa. > > v2: Move unwritten bit to rm_offset. > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- > fs/xfs/libxfs/xfs_rmap.c | 442 ++++++++++++++++++++++++++++++++++++++++++++++ > fs/xfs/xfs_trace.h | 6 + > 2 files changed, 448 insertions(+) > > > diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c > index 1043c63..53ba14e 100644 > --- a/fs/xfs/libxfs/xfs_rmap.c > +++ b/fs/xfs/libxfs/xfs_rmap.c > @@ -610,6 +610,448 @@ out_error: > return error; > } > > +#define RMAP_LEFT_CONTIG (1 << 0) > +#define RMAP_RIGHT_CONTIG (1 << 1) > +#define RMAP_LEFT_FILLING (1 << 2) > +#define RMAP_RIGHT_FILLING (1 << 3) > +#define RMAP_LEFT_VALID (1 << 6) > +#define RMAP_RIGHT_VALID (1 << 7) > + > +#define LEFT r[0] > +#define RIGHT r[1] > +#define PREV r[2] > +#define NEW r[3] > + > +/* > + * Convert an unwritten extent to a real extent or vice versa. > + * Does not handle overlapping extents. > + */ > +STATIC int > +__xfs_rmap_convert( > + struct xfs_btree_cur *cur, > + xfs_agblock_t bno, > + xfs_extlen_t len, > + bool unwritten, > + struct xfs_owner_info *oinfo) > +{ > + struct xfs_mount *mp = cur->bc_mp; > + struct xfs_rmap_irec r[4]; /* neighbor extent entries */ > + /* left is 0, right is 1, prev is 2 */ > + /* new is 3 */ > + uint64_t owner; > + uint64_t offset; > + uint64_t new_endoff; > + unsigned int oldext; > + unsigned int newext; > + unsigned int flags = 0; > + int i; > + int state = 0; > + int error; > + > + xfs_owner_info_unpack(oinfo, &owner, &offset, &flags); > + ASSERT(!(XFS_RMAP_NON_INODE_OWNER(owner) || > + (flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK)))); > + oldext = unwritten ? XFS_RMAP_UNWRITTEN : 0; > + new_endoff = offset + len; > + trace_xfs_rmap_convert(mp, cur->bc_private.a.agno, bno, len, > + unwritten, oinfo); > + > + /* > + * For the initial lookup, look for and exact match or the left-adjacent > + * record for our insertion point. This will also give us the record for > + * start block contiguity tests. > + */ > + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, oldext, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + > + error = xfs_rmap_get_rec(cur, &PREV, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + trace_xfs_rmap_lookup_le_range_result(cur->bc_mp, > + cur->bc_private.a.agno, PREV.rm_startblock, > + PREV.rm_blockcount, PREV.rm_owner, > + PREV.rm_offset, PREV.rm_flags); > + > + ASSERT(PREV.rm_offset <= offset); > + ASSERT(PREV.rm_offset + PREV.rm_blockcount >= new_endoff); > + ASSERT((PREV.rm_flags & XFS_RMAP_UNWRITTEN) == oldext); > + newext = ~oldext & XFS_RMAP_UNWRITTEN; > + > + /* > + * Set flags determining what part of the previous oldext allocation > + * extent is being replaced by a newext allocation. > + */ > + if (PREV.rm_offset == offset) > + state |= RMAP_LEFT_FILLING; > + if (PREV.rm_offset + PREV.rm_blockcount == new_endoff) > + state |= RMAP_RIGHT_FILLING; > + > + /* > + * Decrement the cursor to see if we have a left-adjacent record to our > + * insertion point. This will give us the record for end block > + * contiguity tests. > + */ > + error = xfs_btree_decrement(cur, 0, &i); > + if (error) > + goto done; > + if (i) { > + state |= RMAP_LEFT_VALID; > + error = xfs_rmap_get_rec(cur, &LEFT, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + XFS_WANT_CORRUPTED_GOTO(mp, > + LEFT.rm_startblock + LEFT.rm_blockcount <= bno, > + done); > + trace_xfs_rmap_find_left_neighbor_result(cur->bc_mp, > + cur->bc_private.a.agno, LEFT.rm_startblock, > + LEFT.rm_blockcount, LEFT.rm_owner, > + LEFT.rm_offset, LEFT.rm_flags); > + if (LEFT.rm_startblock + LEFT.rm_blockcount == bno && > + LEFT.rm_offset + LEFT.rm_blockcount == offset && > + xfs_rmap_is_mergeable(&LEFT, owner, offset, len, newext)) > + state |= RMAP_LEFT_CONTIG; > + } > + > + /* > + * Increment the cursor to see if we have a right-adjacent record to our > + * insertion point. This will give us the record for end block > + * contiguity tests. > + */ > + error = xfs_btree_increment(cur, 0, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + error = xfs_btree_increment(cur, 0, &i); > + if (error) > + goto done; > + if (i) { > + state |= RMAP_RIGHT_VALID; > + error = xfs_rmap_get_rec(cur, &RIGHT, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + XFS_WANT_CORRUPTED_GOTO(mp, bno + len <= RIGHT.rm_startblock, > + done); > + trace_xfs_rmap_convert_gtrec(cur->bc_mp, > + cur->bc_private.a.agno, RIGHT.rm_startblock, > + RIGHT.rm_blockcount, RIGHT.rm_owner, > + RIGHT.rm_offset, RIGHT.rm_flags); > + if (bno + len == RIGHT.rm_startblock && > + offset + len == RIGHT.rm_offset && > + xfs_rmap_is_mergeable(&RIGHT, owner, offset, len, newext)) > + state |= RMAP_RIGHT_CONTIG; > + } > + > + /* check that left + prev + right is not too long */ > + if ((state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | > + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) == > + (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | > + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG) && > + (unsigned long)LEFT.rm_blockcount + len + > + RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX) > + state &= ~RMAP_RIGHT_CONTIG; > + > + trace_xfs_rmap_convert_state(mp, cur->bc_private.a.agno, state, > + _RET_IP_); > + > + /* reset the cursor back to PREV */ > + error = xfs_rmap_lookup_le(cur, bno, len, owner, offset, oldext, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + > + /* > + * Switch out based on the FILLING and CONTIG state bits. > + */ > + switch (state & (RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | > + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG)) { > + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | > + RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: > + /* > + * Setting all of a previous oldext extent to newext. > + * The left and right neighbors are both contiguous with new. > + */ > + error = xfs_btree_increment(cur, 0, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, > + RIGHT.rm_startblock, RIGHT.rm_blockcount, > + RIGHT.rm_owner, RIGHT.rm_offset, > + RIGHT.rm_flags); > + error = xfs_btree_delete(cur, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + error = xfs_btree_decrement(cur, 0, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, > + PREV.rm_startblock, PREV.rm_blockcount, > + PREV.rm_owner, PREV.rm_offset, > + PREV.rm_flags); > + error = xfs_btree_delete(cur, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + error = xfs_btree_decrement(cur, 0, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + NEW = LEFT; > + NEW.rm_blockcount += PREV.rm_blockcount + RIGHT.rm_blockcount; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + break; > + > + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: > + /* > + * Setting all of a previous oldext extent to newext. > + * The left neighbor is contiguous, the right is not. > + */ > + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, > + PREV.rm_startblock, PREV.rm_blockcount, > + PREV.rm_owner, PREV.rm_offset, > + PREV.rm_flags); > + error = xfs_btree_delete(cur, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + error = xfs_btree_decrement(cur, 0, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + NEW = LEFT; > + NEW.rm_blockcount += PREV.rm_blockcount; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + break; > + > + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: > + /* > + * Setting all of a previous oldext extent to newext. > + * The right neighbor is contiguous, the left is not. > + */ > + error = xfs_btree_increment(cur, 0, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + trace_xfs_rmapbt_delete(mp, cur->bc_private.a.agno, > + RIGHT.rm_startblock, RIGHT.rm_blockcount, > + RIGHT.rm_owner, RIGHT.rm_offset, > + RIGHT.rm_flags); > + error = xfs_btree_delete(cur, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + error = xfs_btree_decrement(cur, 0, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + NEW.rm_startblock = bno; > + NEW.rm_owner = owner; > + NEW.rm_offset = offset; > + NEW.rm_blockcount = len + RIGHT.rm_blockcount; > + NEW.rm_flags = newext; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + break; > + > + case RMAP_LEFT_FILLING | RMAP_RIGHT_FILLING: > + /* > + * Setting all of a previous oldext extent to newext. > + * Neither the left nor right neighbors are contiguous with > + * the new one. > + */ > + NEW = PREV; > + NEW.rm_flags = newext; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + break; > + > + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG: > + /* > + * Setting the first part of a previous oldext extent to newext. > + * The left neighbor is contiguous. > + */ > + NEW = PREV; > + NEW.rm_offset += len; > + NEW.rm_startblock += len; > + NEW.rm_blockcount -= len; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + error = xfs_btree_decrement(cur, 0, &i); > + if (error) > + goto done; > + NEW = LEFT; > + NEW.rm_blockcount += len; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + break; > + > + case RMAP_LEFT_FILLING: > + /* > + * Setting the first part of a previous oldext extent to newext. > + * The left neighbor is not contiguous. > + */ > + NEW = PREV; > + NEW.rm_startblock += len; > + NEW.rm_offset += len; > + NEW.rm_blockcount -= len; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + NEW.rm_startblock = bno; > + NEW.rm_owner = owner; > + NEW.rm_offset = offset; > + NEW.rm_blockcount = len; > + NEW.rm_flags = newext; > + cur->bc_rec.r = NEW; > + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, > + len, owner, offset, newext); > + error = xfs_btree_insert(cur, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + break; > + > + case RMAP_RIGHT_FILLING | RMAP_RIGHT_CONTIG: > + /* > + * Setting the last part of a previous oldext extent to newext. > + * The right neighbor is contiguous with the new allocation. > + */ > + NEW = PREV; > + NEW.rm_blockcount -= len; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + error = xfs_btree_increment(cur, 0, &i); > + if (error) > + goto done; > + NEW = RIGHT; > + NEW.rm_offset = offset; > + NEW.rm_startblock = bno; > + NEW.rm_blockcount += len; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + break; > + > + case RMAP_RIGHT_FILLING: > + /* > + * Setting the last part of a previous oldext extent to newext. > + * The right neighbor is not contiguous. > + */ > + NEW = PREV; > + NEW.rm_blockcount -= len; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + error = xfs_rmap_lookup_eq(cur, bno, len, owner, offset, > + oldext, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 0, done); > + NEW.rm_startblock = bno; > + NEW.rm_owner = owner; > + NEW.rm_offset = offset; > + NEW.rm_blockcount = len; > + NEW.rm_flags = newext; > + cur->bc_rec.r = NEW; > + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, > + len, owner, offset, newext); > + error = xfs_btree_insert(cur, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + break; > + > + case 0: > + /* > + * Setting the middle part of a previous oldext extent to > + * newext. Contiguity is impossible here. > + * One extent becomes three extents. > + */ > + /* new right extent - oldext */ > + NEW.rm_startblock = bno + len; > + NEW.rm_owner = owner; > + NEW.rm_offset = new_endoff; > + NEW.rm_blockcount = PREV.rm_offset + PREV.rm_blockcount - > + new_endoff; > + NEW.rm_flags = PREV.rm_flags; > + error = xfs_rmap_update(cur, &NEW); > + if (error) > + goto done; > + /* new left extent - oldext */ > + NEW = PREV; > + NEW.rm_blockcount = offset - PREV.rm_offset; > + cur->bc_rec.r = NEW; > + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, > + NEW.rm_startblock, NEW.rm_blockcount, > + NEW.rm_owner, NEW.rm_offset, > + NEW.rm_flags); > + error = xfs_btree_insert(cur, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + /* > + * Reset the cursor to the position of the new extent > + * we are about to insert as we can't trust it after > + * the previous insert. > + */ > + error = xfs_rmap_lookup_eq(cur, bno, len, owner, offset, > + oldext, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 0, done); > + /* new middle extent - newext */ > + cur->bc_rec.b.br_state = newext; Wrong, should be: cur->bc_rec.r.rm_flags &= ~XFS_RMAP_UNWRITTEN; cur->bc_rec.r.rm_flags |= newext; We're modifying the rmapbt here, not the bmbt, so it makes no sense to touch the bmbt_irec in the cursor. Modify the rmap_irec instead. Incidentally this just happens not to fail because the fields line up.... --D > + trace_xfs_rmapbt_insert(mp, cur->bc_private.a.agno, bno, len, > + owner, offset, newext); > + error = xfs_btree_insert(cur, &i); > + if (error) > + goto done; > + XFS_WANT_CORRUPTED_GOTO(mp, i == 1, done); > + break; > + > + case RMAP_LEFT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: > + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: > + case RMAP_LEFT_FILLING | RMAP_RIGHT_CONTIG: > + case RMAP_RIGHT_FILLING | RMAP_LEFT_CONTIG: > + case RMAP_LEFT_CONTIG | RMAP_RIGHT_CONTIG: > + case RMAP_LEFT_CONTIG: > + case RMAP_RIGHT_CONTIG: > + /* > + * These cases are all impossible. > + */ > + ASSERT(0); > + } > + > + trace_xfs_rmap_convert_done(mp, cur->bc_private.a.agno, bno, len, > + unwritten, oinfo); > +done: > + if (error) > + trace_xfs_rmap_convert_error(cur->bc_mp, > + cur->bc_private.a.agno, error, _RET_IP_); > + return error; > +} > + > +#undef NEW > +#undef LEFT > +#undef RIGHT > +#undef PREV > + > struct xfs_rmapbt_query_range_info { > xfs_rmapbt_query_range_fn fn; > void *priv; > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h > index 3ebceb0..6466adc 100644 > --- a/fs/xfs/xfs_trace.h > +++ b/fs/xfs/xfs_trace.h > @@ -2497,6 +2497,10 @@ DEFINE_RMAP_EVENT(xfs_rmap_free_extent_error); > DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent); > DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_done); > DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_error); > +DEFINE_RMAP_EVENT(xfs_rmap_convert); > +DEFINE_RMAP_EVENT(xfs_rmap_convert_done); > +DEFINE_AG_ERROR_EVENT(xfs_rmap_convert_error); > +DEFINE_AG_ERROR_EVENT(xfs_rmap_convert_state); > > DECLARE_EVENT_CLASS(xfs_rmapbt_class, > TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, > @@ -2551,6 +2555,8 @@ DEFINE_AG_ERROR_EVENT(xfs_rmapbt_delete_error); > DEFINE_AG_ERROR_EVENT(xfs_rmapbt_update_error); > DEFINE_RMAPBT_EVENT(xfs_rmap_lookup_le_range_result); > DEFINE_RMAPBT_EVENT(xfs_rmap_map_gtrec); > +DEFINE_RMAPBT_EVENT(xfs_rmap_convert_gtrec); > +DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_result); > > #endif /* _TRACE_XFS_H */ > > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From wagi@monom.org Thu Jun 30 01:04:18 2016 Return-Path: <wagi@monom.org> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 658D87CA0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 01:04:18 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 261D4304032 for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 23:04:15 -0700 (PDT) X-ASG-Debug-ID: 1467266651-04bdf074b42244e0001-NocioJ Received: from hotel311.server4you.de (hotel311.server4you.de [85.25.146.15]) by cuda.sgi.com with ESMTP id TTufZYY2pKALjPgg (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Wed, 29 Jun 2016 23:04:12 -0700 (PDT) X-Barracuda-Envelope-From: wagi@monom.org X-Barracuda-Effective-Source-IP: hotel311.server4you.de[85.25.146.15] X-Barracuda-Apparent-Source-IP: 85.25.146.15 Received: from hotel311.server4you.de (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id BBBD11940750; Thu, 30 Jun 2016 08:04:09 +0200 (CEST) Received: from [10.10.50.60] (unknown [212.118.206.70]) by hotel311.server4you.de (Postfix) with ESMTPSA id 7BCAC1940129; Thu, 30 Jun 2016 08:04:09 +0200 (CEST) Subject: Re: crash in xfs in current To: Dave Chinner <david@fromorbit.com>, Reinoud Koornstra <reinoudkoornstra@gmail.com> X-ASG-Orig-Subj: Re: crash in xfs in current References: <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@monom.org> <20160607134442.GA1803@infradead.org> <CAAA5faFWyPDienm2NbHkafZh-RvbjJp6f_zDq62z6rC1d1Vzyw@mail.gmail.com> <CAAA5faGXHJZPWkkxDM-kvHqh--hPhnD1Y8RuaaSmuzgiz=_LDg@mail.gmail.com> <CAAA5faEDdR_L6y9ShhUcermgvjtmzNCzwoYeENjx+8RUEMdwaA@mail.gmail.com> <20160609022238.GY26977@dastard> <CAAA5faGL_Nyu=jW2Vrgr_m7crhnB9BriWWzMAPODbiQATFhS=Q@mail.gmail.com> <00bbe658-a891-3771-ca1d-5661a8b6ab61@sandeen.net> <CAAA5faH7RA=_WByj6uh4yVCLgwxkLh88CkrtTOa-qJqdyEDT-A@mail.gmail.com> <CAAA5faGTL4i3YS_oLxoeetpsEt+q59dmc2L7Kc-b5khzoV0GvA@mail.gmail.com> <20160622014253.GS12670@dastard> Cc: Eric Sandeen <sandeen@sandeen.net>, Christoph Hellwig <hch@infradead.org>, viro@zeniv.linux.org.uk, xfs@oss.sgi.com From: Daniel Wagner <wagi@monom.org> Message-ID: <c5c53ec1-cc9f-2b50-079a-4d0b4f405558@monom.org> Date: Thu, 30 Jun 2016 08:04:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <20160622014253.GS12670@dastard> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Barracuda-Connect: hotel311.server4you.de[85.25.146.15] X-Barracuda-Start-Time: 1467266652 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 939 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30890 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header > Ok, that's good to hear. Now for some more testing: Al Viro just > pushed some fixes to the parallel lookup code that may fix this > problem. Al asked this question: > > | Can that be triggered on 4e82901 + cherry-pick of e7d6ef979? > | Same for 9f541801 + e7d6ef979? > > Those commits are all in the current Linus tree - would you be > able to test them? (i.e. check out tree to 4e82901, then just > cherry pick the single commit (e7d6ef979) on top of that). Finally I found some time to do some testing. In one shell, git did some checkouts: while true; do git checkout master && git checkout b4.0; done While in the other shell I just rebuild a kernel: while true; do make clean && make -j200; done 4e82901 crashed after 10 minutes 4e82901 + e7d6ef979 no crash after 4 hours 9f541801 no crash after 2 hours 9f541801 + e7d6ef979 no crash after 12 hours cheers, daniel From bfoster@redhat.com Thu Jun 30 07:53:56 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 1BBD87CA0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 07:53:56 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id E3DBE304039 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 05:53:52 -0700 (PDT) X-ASG-Debug-ID: 1467291230-04cb6c063d2c1b60001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id J5qwsiDSIHsfimk1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 05:53:51 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9BDE563171 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 12:53:50 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UCroSu017061 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:53:50 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 556BC1200E8; Thu, 30 Jun 2016 08:53:49 -0400 (EDT) From: Brian Foster <bfoster@redhat.com> To: xfs@oss.sgi.com Subject: [PATCH] xfs: add readahead bufs to lru early to prevent post-unmount panic Date: Thu, 30 Jun 2016 08:53:49 -0400 X-ASG-Orig-Subj: [PATCH] xfs: add readahead bufs to lru early to prevent post-unmount panic Message-Id: <1467291229-13548-1-git-send-email-bfoster@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 30 Jun 2016 12:53:50 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467291231 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2766 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Newly allocated XFS metadata buffers are added to the LRU once the hold count is released, which typically occurs after I/O completion. There is no other mechanism at current that tracks the existence or I/O state of a new buffer. Further, readahead I/O tends to be submitted asynchronously by nature, which means the I/O can remain in flight and actually complete long after the calling context is gone. This means that file descriptors or any other holds on the filesystem can be released, allowing the filesystem to be unmounted while I/O is still in flight. When I/O completion occurs, core data structures may have been freed, causing completion to run into invalid memory accesses and likely to panic. This problem is reproduced on XFS via directory readahead. A filesystem is mounted, a directory is opened/closed and the filesystem immediately unmounted. The open/close cycle triggers a directory readahead that if delayed long enough, runs buffer I/O completion after the unmount has completed. To work around this problem, add readahead buffers to the LRU earlier than other buffers (when the buffer is allocated, specifically). The buffer hold count will ultimately remain until I/O completion, which means any shrinker activity will skip the buffer until then. This makes the buffer visible to xfs_wait_buftarg(), however, which ensures that an unmount or quiesce waits for I/O completion appropriately. Signed-off-by: Brian Foster <bfoster@redhat.com> --- This addresses the problem reproduced by the recently posted xfstests test: http://thread.gmane.org/gmane.comp.file-systems.fstests/2740 This could probably be made more involved, i.e., to create another list of buffers in flight or some such. This seems more simple/sane to me, however, and survives my testing so far... Brian fs/xfs/xfs_buf.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 4665ff6..3f03df9 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -590,8 +590,20 @@ xfs_buf_get_map( return NULL; } + /* + * If the buffer found doesn't match the one allocated above, somebody + * else beat us to insertion and we can toss the new one. + * + * If we did add the buffer and it happens to be readahead, add to the + * LRU now rather than waiting until the hold is released. Otherwise, + * the buffer is not visible to xfs_wait_buftarg() while in flight and + * nothing else prevents an unmount before I/O completion. + */ if (bp != new_bp) xfs_buf_free(new_bp); + else if (flags & XBF_READ_AHEAD && + list_lru_add(&bp->b_target->bt_lru, &bp->b_lru)) + atomic_inc(&bp->b_hold); found: if (!bp->b_addr) { -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:47:27 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 6BA6D7CA2 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:47:27 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1FA3130404E for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:24 -0700 (PDT) X-ASG-Debug-ID: 1467294442-04bdf074b7238640001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 3Ov1Ampyik5GtHDb (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:22 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A373881F03; Thu, 30 Jun 2016 13:47:21 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsb005273; Thu, 30 Jun 2016 09:47:14 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 00/22] Richacls (Core and Ext4) Date: Thu, 30 Jun 2016 15:46:51 +0200 X-ASG-Orig-Subj: [PATCH v23 00/22] Richacls (Core and Ext4) Message-Id: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 30 Jun 2016 13:47:22 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294442 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4776 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Here is another update of the richacl patches. Changes since the last posting (https://lwn.net/Articles/689151/): * Rebase on top of 4.7-rc5+ because of commit 999653786d "nfsd: check permissions when setting ACLs". * Introduce set_richacl() similar to set_posix_acl() and use it in nfsd to avoid going through the richacl xattr representation. The complete patch queue is available here: git://git.kernel.org/pub/scm/linux/kernel/git/agruen/linux-richacl.git \ richacl-2016-06-30 The richacl user-space utilitites, man pages, and test suite are available here: https://github.com/andreas-gruenbacher/richacl Changes to other user-space packages for richacl: https://github.com/andreas-gruenbacher/coreutils https://github.com/andreas-gruenbacher/e2fsprogs https://github.com/andreas-gruenbacher/samba https://github.com/andreas-gruenbacher/xfsprogs-dev https://github.com/andreas-gruenbacher/nfs-utils Please see the richacl homepage for more information: http://www.bestbits.at/richacl/ What more needs to be done to get this initial set of patches merged? Thanks, Andreas Andreas Gruenbacher (20): vfs: Add IS_ACL() and IS_RICHACL() tests vfs: Add MAY_CREATE_FILE and MAY_CREATE_DIR permission flags vfs: Add MAY_DELETE_SELF and MAY_DELETE_CHILD permission flags vfs: Make the inode passed to inode_change_ok non-const vfs: Add permission flags for setting file attributes richacl: In-memory representation and helper functions richacl: Permission mapping functions richacl: Compute maximum file masks from an acl richacl: Permission check algorithm posix_acl: Improve xattr fixup code vfs: Cache base_acl objects in inodes vfs: Add get_richacl and set_richacl inode operations vfs: Cache richacl in struct inode richacl: Update the file masks in chmod() richacl: Check if an acl is equivalent to a file mode richacl: Create-time inheritance richacl: Automatic Inheritance richacl: xattr mapping functions richacl: Add richacl xattr handler vfs: Add richacl permission checking Aneesh Kumar K.V (2): ext4: Add richacl support ext4: Add richacl feature flag drivers/staging/lustre/lustre/llite/llite_lib.c | 2 +- fs/9p/acl.c | 8 +- fs/Kconfig | 3 + fs/Makefile | 1 + fs/attr.c | 81 ++- fs/ext4/Kconfig | 11 + fs/ext4/Makefile | 1 + fs/ext4/ext4.h | 6 +- fs/ext4/file.c | 3 + fs/ext4/ialloc.c | 11 +- fs/ext4/inode.c | 5 +- fs/ext4/namei.c | 5 + fs/ext4/richacl.c | 134 ++++ fs/ext4/richacl.h | 40 ++ fs/ext4/super.c | 49 +- fs/ext4/xattr.c | 7 + fs/f2fs/acl.c | 4 +- fs/inode.c | 43 +- fs/jffs2/acl.c | 6 +- fs/namei.c | 152 +++- fs/nfs/nfs3acl.c | 14 +- fs/posix_acl.c | 69 +- fs/richacl.c | 915 ++++++++++++++++++++++++ fs/richacl_xattr.c | 222 ++++++ fs/xattr.c | 29 +- include/linux/acl.h | 15 + include/linux/fs.h | 67 +- include/linux/posix_acl.h | 21 +- include/linux/richacl.h | 211 ++++++ include/linux/richacl_xattr.h | 31 + include/uapi/linux/Kbuild | 2 + include/uapi/linux/fs.h | 3 +- include/uapi/linux/richacl.h | 152 ++++ include/uapi/linux/richacl_xattr.h | 44 ++ include/uapi/linux/xattr.h | 2 + 35 files changed, 2209 insertions(+), 160 deletions(-) create mode 100644 fs/ext4/richacl.c create mode 100644 fs/ext4/richacl.h create mode 100644 fs/richacl.c create mode 100644 fs/richacl_xattr.c create mode 100644 include/linux/acl.h create mode 100644 include/linux/richacl.h create mode 100644 include/linux/richacl_xattr.h create mode 100644 include/uapi/linux/richacl.h create mode 100644 include/uapi/linux/richacl_xattr.h -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:47:41 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4C76C7CA2 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:47:41 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id B9D5DAC007 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:37 -0700 (PDT) X-ASG-Debug-ID: 1467294455-04cbb027373b6260001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 2O6QFNIb86Rbj68F (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:36 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 650CEC05B1D0; Thu, 30 Jun 2016 13:47:35 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsd005273; Thu, 30 Jun 2016 09:47:29 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 02/22] vfs: Add MAY_CREATE_FILE and MAY_CREATE_DIR permission flags Date: Thu, 30 Jun 2016 15:46:53 +0200 X-ASG-Orig-Subj: [PATCH v23 02/22] vfs: Add MAY_CREATE_FILE and MAY_CREATE_DIR permission flags Message-Id: <1467294433-3222-3-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 30 Jun 2016 13:47:35 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294456 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7068 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Richacls distinguish between creating non-directories and directories. To support that, add an isdir parameter to may_create(). When checking inode_permission() for create permission, pass in an additional MAY_CREATE_FILE or MAY_CREATE_DIR mask flag. Add may_replace() to allow checking for delete and create access when replacing an existing file in vfs_rename(). Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> Reviewed-by: Andreas Dilger <adilger@dilger.ca> Reviewed-by: Steve French <steve.french@primarydata.com> --- fs/namei.c | 49 +++++++++++++++++++++++++++++++++---------------- include/linux/fs.h | 2 ++ 2 files changed, 35 insertions(+), 16 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 7cc5487..dc91858 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -454,7 +454,9 @@ static int sb_permission(struct super_block *sb, struct inode *inode, int mask) * this, letting us set arbitrary permissions for filesystem access without * changing the "normal" UIDs which are used for other things. * - * When checking for MAY_APPEND, MAY_WRITE must also be set in @mask. + * MAY_WRITE must be set in @mask whenever MAY_APPEND, MAY_CREATE_FILE, or + * MAY_CREATE_DIR are set. That way, file systems that don't support these + * permissions will check for MAY_WRITE instead. */ int inode_permission(struct inode *inode, int mask) { @@ -2763,7 +2765,8 @@ EXPORT_SYMBOL(__check_sticky); * 10. We don't allow removal of NFS sillyrenamed files; it's handled by * nfs_async_unlink(). */ -static int may_delete(struct inode *dir, struct dentry *victim, bool isdir) +static int may_delete_or_replace(struct inode *dir, struct dentry *victim, + bool isdir, int mask) { struct inode *inode = d_backing_inode(victim); int error; @@ -2775,7 +2778,7 @@ static int may_delete(struct inode *dir, struct dentry *victim, bool isdir) BUG_ON(victim->d_parent->d_inode != dir); audit_inode_child(dir, victim, AUDIT_TYPE_CHILD_DELETE); - error = inode_permission(dir, MAY_WRITE | MAY_EXEC); + error = inode_permission(dir, mask); if (error) return error; if (IS_APPEND(dir)) @@ -2798,6 +2801,18 @@ static int may_delete(struct inode *dir, struct dentry *victim, bool isdir) return 0; } +static int may_delete(struct inode *dir, struct dentry *victim, bool isdir) +{ + return may_delete_or_replace(dir, victim, isdir, MAY_WRITE | MAY_EXEC); +} + +static int may_replace(struct inode *dir, struct dentry *victim, bool isdir) +{ + int mask = isdir ? MAY_CREATE_DIR : MAY_CREATE_FILE; + + return may_delete_or_replace(dir, victim, isdir, mask | MAY_WRITE | MAY_EXEC); +} + /* Check whether we can create an object with dentry child in directory * dir. * 1. We can't do it if child already exists (open has special treatment for @@ -2806,14 +2821,16 @@ static int may_delete(struct inode *dir, struct dentry *victim, bool isdir) * 3. We should have write and exec permissions on dir * 4. We can't do it if dir is immutable (done in permission()) */ -static inline int may_create(struct inode *dir, struct dentry *child) +static inline int may_create(struct inode *dir, struct dentry *child, bool isdir) { + int mask = isdir ? MAY_CREATE_DIR : MAY_CREATE_FILE; + audit_inode_child(dir, child, AUDIT_TYPE_CHILD_CREATE); if (child->d_inode) return -EEXIST; if (IS_DEADDIR(dir)) return -ENOENT; - return inode_permission(dir, MAY_WRITE | MAY_EXEC); + return inode_permission(dir, MAY_WRITE | MAY_EXEC | mask); } /* @@ -2863,7 +2880,7 @@ EXPORT_SYMBOL(unlock_rename); int vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool want_excl) { - int error = may_create(dir, dentry); + int error = may_create(dir, dentry, false); if (error) return error; @@ -3650,7 +3667,7 @@ EXPORT_SYMBOL(user_path_create); int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { - int error = may_create(dir, dentry); + int error = may_create(dir, dentry, false); if (error) return error; @@ -3744,7 +3761,7 @@ SYSCALL_DEFINE3(mknod, const char __user *, filename, umode_t, mode, unsigned, d int vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { - int error = may_create(dir, dentry); + int error = may_create(dir, dentry, true); unsigned max_links = dir->i_sb->s_max_links; if (error) @@ -3800,7 +3817,7 @@ SYSCALL_DEFINE2(mkdir, const char __user *, pathname, umode_t, mode) int vfs_rmdir(struct inode *dir, struct dentry *dentry) { - int error = may_delete(dir, dentry, 1); + int error = may_delete(dir, dentry, true); if (error) return error; @@ -3922,7 +3939,7 @@ SYSCALL_DEFINE1(rmdir, const char __user *, pathname) int vfs_unlink(struct inode *dir, struct dentry *dentry, struct inode **delegated_inode) { struct inode *target = dentry->d_inode; - int error = may_delete(dir, dentry, 0); + int error = may_delete(dir, dentry, false); if (error) return error; @@ -4056,7 +4073,7 @@ SYSCALL_DEFINE1(unlink, const char __user *, pathname) int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname) { - int error = may_create(dir, dentry); + int error = may_create(dir, dentry, false); if (error) return error; @@ -4139,7 +4156,7 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de if (!inode) return -ENOENT; - error = may_create(dir, new_dentry); + error = may_create(dir, new_dentry, false); if (error) return error; @@ -4336,14 +4353,14 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, return error; if (!target) { - error = may_create(new_dir, new_dentry); + error = may_create(new_dir, new_dentry, is_dir); } else { new_is_dir = d_is_dir(new_dentry); if (!(flags & RENAME_EXCHANGE)) - error = may_delete(new_dir, new_dentry, is_dir); + error = may_replace(new_dir, new_dentry, is_dir); else - error = may_delete(new_dir, new_dentry, new_is_dir); + error = may_replace(new_dir, new_dentry, new_is_dir); } if (error) return error; @@ -4606,7 +4623,7 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna int vfs_whiteout(struct inode *dir, struct dentry *dentry) { - int error = may_create(dir, dentry); + int error = may_create(dir, dentry, false); if (error) return error; diff --git a/include/linux/fs.h b/include/linux/fs.h index 4ad130c..dd614ad 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -84,6 +84,8 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, #define MAY_CHDIR 0x00000040 /* called from RCU mode, don't block */ #define MAY_NOT_BLOCK 0x00000080 +#define MAY_CREATE_FILE 0x00000100 +#define MAY_CREATE_DIR 0x00000200 /* * flags in file.f_mode. Note that FMODE_READ and FMODE_WRITE must correspond -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:47:45 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id E7D067CB0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:47:44 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 638FDAC007 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:44 -0700 (PDT) X-ASG-Debug-ID: 1467294462-04cb6c063e2c42c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id qYQ3saIH5t6ER9X9 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:43 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 65E76811DF; Thu, 30 Jun 2016 13:47:42 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDse005273; Thu, 30 Jun 2016 09:47:35 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 03/22] vfs: Add MAY_DELETE_SELF and MAY_DELETE_CHILD permission flags Date: Thu, 30 Jun 2016 15:46:54 +0200 X-ASG-Orig-Subj: [PATCH v23 03/22] vfs: Add MAY_DELETE_SELF and MAY_DELETE_CHILD permission flags Message-Id: <1467294433-3222-4-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 30 Jun 2016 13:47:42 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294463 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3400 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Normally, deleting a file requires MAY_WRITE access to the parent directory. With richacls, a file may be deleted with MAY_DELETE_CHILD access to the parent directory or with MAY_DELETE_SELF access to the file. To support that, pass the MAY_DELETE_CHILD mask flag to inode_permission() when checking for delete access inside a directory, and MAY_DELETE_SELF when checking for delete access to a file itelf. The MAY_DELETE_SELF permission overrides the sticky directory check. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> Reviewed-by: Steve French <steve.french@primarydata.com> --- fs/namei.c | 20 ++++++++++++-------- include/linux/fs.h | 2 ++ 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index dc91858..663933e 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -454,9 +454,9 @@ static int sb_permission(struct super_block *sb, struct inode *inode, int mask) * this, letting us set arbitrary permissions for filesystem access without * changing the "normal" UIDs which are used for other things. * - * MAY_WRITE must be set in @mask whenever MAY_APPEND, MAY_CREATE_FILE, or - * MAY_CREATE_DIR are set. That way, file systems that don't support these - * permissions will check for MAY_WRITE instead. + * MAY_WRITE must be set in @mask whenever MAY_APPEND, MAY_CREATE_FILE, + * MAY_CREATE_DIR, or MAY_DELETE_CHILD are set. That way, file systems that + * don't support these permissions will check for MAY_WRITE instead. */ int inode_permission(struct inode *inode, int mask) { @@ -2778,14 +2778,18 @@ static int may_delete_or_replace(struct inode *dir, struct dentry *victim, BUG_ON(victim->d_parent->d_inode != dir); audit_inode_child(dir, victim, AUDIT_TYPE_CHILD_DELETE); - error = inode_permission(dir, mask); + error = inode_permission(dir, mask | MAY_WRITE | MAY_DELETE_CHILD); + if (!error && check_sticky(dir, inode)) + error = -EPERM; + if (error && IS_RICHACL(inode) && + inode_permission(inode, MAY_DELETE_SELF) == 0 && + inode_permission(dir, mask) == 0) + error = 0; if (error) return error; if (IS_APPEND(dir)) return -EPERM; - - if (check_sticky(dir, inode) || IS_APPEND(inode) || - IS_IMMUTABLE(inode) || IS_SWAPFILE(inode)) + if (IS_APPEND(inode) || IS_IMMUTABLE(inode) || IS_SWAPFILE(inode)) return -EPERM; if (isdir) { if (!d_is_dir(victim)) @@ -2803,7 +2807,7 @@ static int may_delete_or_replace(struct inode *dir, struct dentry *victim, static int may_delete(struct inode *dir, struct dentry *victim, bool isdir) { - return may_delete_or_replace(dir, victim, isdir, MAY_WRITE | MAY_EXEC); + return may_delete_or_replace(dir, victim, isdir, MAY_EXEC); } static int may_replace(struct inode *dir, struct dentry *victim, bool isdir) diff --git a/include/linux/fs.h b/include/linux/fs.h index dd614ad..86bfa10 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -86,6 +86,8 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, #define MAY_NOT_BLOCK 0x00000080 #define MAY_CREATE_FILE 0x00000100 #define MAY_CREATE_DIR 0x00000200 +#define MAY_DELETE_CHILD 0x00000400 +#define MAY_DELETE_SELF 0x00000800 /* * flags in file.f_mode. Note that FMODE_READ and FMODE_WRITE must correspond -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:47:47 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1E18B7CB4 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:47:47 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9AEDAAC007 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:46 -0700 (PDT) X-ASG-Debug-ID: 1467294449-04cb6c063c2c4240001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id HvaChjLNKfYppGcU (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:29 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 895803710EB; Thu, 30 Jun 2016 13:47:28 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsc005273; Thu, 30 Jun 2016 09:47:22 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 01/22] vfs: Add IS_ACL() and IS_RICHACL() tests Date: Thu, 30 Jun 2016 15:46:52 +0200 X-ASG-Orig-Subj: [PATCH v23 01/22] vfs: Add IS_ACL() and IS_RICHACL() tests Message-Id: <1467294433-3222-2-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 30 Jun 2016 13:47:28 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294449 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4048 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 The vfs does not apply the umask for file systems that support acls. The test used for this used to be called IS_POSIXACL(). Switch to a new IS_ACL() test to check for either posix acls or richacls instead. Add a new MS_RICHACL flag and IS_RICHACL() test for richacls alone. The IS_POSIXACL() test is still needed in some places like nfsd. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> Reviewed-by: Andreas Dilger <adilger@dilger.ca> Reviewed-by: Steve French <steve.french@primarydata.com> --- fs/Kconfig | 3 +++ fs/namei.c | 6 +++--- include/linux/fs.h | 12 ++++++++++++ include/uapi/linux/fs.h | 3 ++- 4 files changed, 20 insertions(+), 4 deletions(-) diff --git a/fs/Kconfig b/fs/Kconfig index b8fcb41..de6de55 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -64,6 +64,9 @@ endif # BLOCK config FS_POSIX_ACL def_bool n +config FS_RICHACL + def_bool n + config EXPORTFS tristate diff --git a/fs/namei.c b/fs/namei.c index 70580ab..7cc5487 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3115,7 +3115,7 @@ static int lookup_open(struct nameidata *nd, struct path *path, * O_EXCL open we want to return EEXIST not EROFS). */ if (open_flag & O_CREAT) { - if (!IS_POSIXACL(dir->d_inode)) + if (!IS_ACL(dir->d_inode)) mode &= ~current_umask(); if (unlikely(!got_write)) { create_error = -EROFS; @@ -3709,7 +3709,7 @@ retry: if (IS_ERR(dentry)) return PTR_ERR(dentry); - if (!IS_POSIXACL(path.dentry->d_inode)) + if (!IS_ACL(path.dentry->d_inode)) mode &= ~current_umask(); error = security_path_mknod(&path, dentry, mode, dev); if (error) @@ -3780,7 +3780,7 @@ retry: if (IS_ERR(dentry)) return PTR_ERR(dentry); - if (!IS_POSIXACL(path.dentry->d_inode)) + if (!IS_ACL(path.dentry->d_inode)) mode &= ~current_umask(); error = security_path_mkdir(&path, dentry, mode); if (!error) diff --git a/include/linux/fs.h b/include/linux/fs.h index dd28814..4ad130c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1850,6 +1850,12 @@ struct super_operations { #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE) #define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL) +#ifdef CONFIG_FS_RICHACL +#define IS_RICHACL(inode) __IS_FLG(inode, MS_RICHACL) +#else +#define IS_RICHACL(inode) 0 +#endif + #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD) #define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME) #define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE) @@ -1863,6 +1869,12 @@ struct super_operations { (inode)->i_rdev == WHITEOUT_DEV) /* + * IS_ACL() tells the VFS to not apply the umask + * and use check_acl for acl permission checks when defined. + */ +#define IS_ACL(inode) __IS_FLG(inode, MS_POSIXACL | MS_RICHACL) + +/* * Inode state bits. Protected by inode->i_lock * * Three bits determine the dirty state of the inode, I_DIRTY_SYNC, diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index 3b00f7c..f9c41ef 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -120,7 +120,7 @@ struct inodes_stat_t { #define MS_VERBOSE 32768 /* War is peace. Verbosity is silence. MS_VERBOSE is deprecated. */ #define MS_SILENT 32768 -#define MS_POSIXACL (1<<16) /* VFS does not apply the umask */ +#define MS_POSIXACL (1<<16) /* Supports POSIX ACLs */ #define MS_UNBINDABLE (1<<17) /* change to unbindable */ #define MS_PRIVATE (1<<18) /* change to private */ #define MS_SLAVE (1<<19) /* change to slave */ @@ -130,6 +130,7 @@ struct inodes_stat_t { #define MS_I_VERSION (1<<23) /* Update inode I_version field */ #define MS_STRICTATIME (1<<24) /* Always perform atime updates */ #define MS_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */ +#define MS_RICHACL (1<<26) /* Supports richacls */ /* These sb flags are internal to the kernel */ #define MS_NOSEC (1<<28) -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:47:52 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id F3DDA7CBC for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:47:51 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 610ADAC007 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:51 -0700 (PDT) X-ASG-Debug-ID: 1467294469-04cbb027353b6290001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id dErVISdRGgWUTp90 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:50 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 509233F725; Thu, 30 Jun 2016 13:47:49 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsf005273; Thu, 30 Jun 2016 09:47:42 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 04/22] vfs: Make the inode passed to inode_change_ok non-const Date: Thu, 30 Jun 2016 15:46:55 +0200 X-ASG-Orig-Subj: [PATCH v23 04/22] vfs: Make the inode passed to inode_change_ok non-const Message-Id: <1467294433-3222-5-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 30 Jun 2016 13:47:49 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294470 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1455 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 We will need to call iop->permission and iop->get_acl from inode_change_ok() for additional permission checks, and both take a non-const inode. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> Reviewed-by: Andreas Dilger <adilger@dilger.ca> Reviewed-by: Steve French <steve.french@primarydata.com> --- fs/attr.c | 2 +- include/linux/fs.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/attr.c b/fs/attr.c index 25b24d0..7ca7fa0 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -28,7 +28,7 @@ * Should be called as the first thing in ->setattr implementations, * possibly after taking additional locks. */ -int inode_change_ok(const struct inode *inode, struct iattr *attr) +int inode_change_ok(struct inode *inode, struct iattr *attr) { unsigned int ia_valid = attr->ia_valid; diff --git a/include/linux/fs.h b/include/linux/fs.h index 86bfa10..208f73b 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2993,7 +2993,7 @@ extern int buffer_migrate_page(struct address_space *, #define buffer_migrate_page NULL #endif -extern int inode_change_ok(const struct inode *, struct iattr *); +extern int inode_change_ok(struct inode *, struct iattr *); extern int inode_newsize_ok(const struct inode *, loff_t offset); extern void setattr_copy(struct inode *inode, const struct iattr *attr); -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:01 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 940C17CB9 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:48:01 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 668E48F8050 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:58 -0700 (PDT) X-ASG-Debug-ID: 1467294476-04cb6c063d2c4340001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id opriBZxGlNBXGzDb (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:47:57 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4372D65426; Thu, 30 Jun 2016 13:47:56 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsg005273; Thu, 30 Jun 2016 09:47:49 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 05/22] vfs: Add permission flags for setting file attributes Date: Thu, 30 Jun 2016 15:46:56 +0200 X-ASG-Orig-Subj: [PATCH v23 05/22] vfs: Add permission flags for setting file attributes Message-Id: <1467294433-3222-6-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 30 Jun 2016 13:47:56 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294477 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4621 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Richacls support permissions that allow to take ownership of a file, change the file permissions, and set the file timestamps. Support that by introducing new permission mask flags and by checking for those mask flags in inode_change_ok(). Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> Reviewed-by: Steve French <steve.french@primarydata.com> --- fs/attr.c | 79 +++++++++++++++++++++++++++++++++++++++++++++--------- include/linux/fs.h | 3 +++ 2 files changed, 70 insertions(+), 12 deletions(-) diff --git a/fs/attr.c b/fs/attr.c index 7ca7fa0..2a8c49c 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -17,6 +17,65 @@ #include <linux/ima.h> /** + * inode_extended_permission - permissions beyond read/write/execute + * + * Check for permissions that only richacls can currently grant. + */ +static int inode_extended_permission(struct inode *inode, int mask) +{ + if (!IS_RICHACL(inode)) + return -EPERM; + return inode_permission(inode, mask); +} + +static bool inode_uid_change_ok(struct inode *inode, kuid_t ia_uid) +{ + if (uid_eq(current_fsuid(), inode->i_uid) && + uid_eq(ia_uid, inode->i_uid)) + return true; + if (uid_eq(current_fsuid(), ia_uid) && + inode_extended_permission(inode, MAY_TAKE_OWNERSHIP) == 0) + return true; + if (capable_wrt_inode_uidgid(inode, CAP_CHOWN)) + return true; + return false; +} + +static bool inode_gid_change_ok(struct inode *inode, kgid_t ia_gid) +{ + int in_group = in_group_p(ia_gid); + if (uid_eq(current_fsuid(), inode->i_uid) && + (in_group || gid_eq(ia_gid, inode->i_gid))) + return true; + if (in_group && inode_extended_permission(inode, MAY_TAKE_OWNERSHIP) == 0) + return true; + if (capable_wrt_inode_uidgid(inode, CAP_CHOWN)) + return true; + return false; +} + +/** + * inode_owner_permitted_or_capable + * + * Check for permissions implicitly granted to the owner, like MAY_CHMOD or + * MAY_SET_TIMES. Equivalent to inode_owner_or_capable for file systems + * without support for those permissions. + */ +static bool inode_owner_permitted_or_capable(struct inode *inode, int mask) +{ + struct user_namespace *ns; + + if (uid_eq(current_fsuid(), inode->i_uid)) + return true; + if (inode_extended_permission(inode, mask) == 0) + return true; + ns = current_user_ns(); + if (ns_capable(ns, CAP_FOWNER) && kuid_has_mapping(ns, inode->i_uid)) + return true; + return false; +} + +/** * inode_change_ok - check if attribute changes to an inode are allowed * @inode: inode to check * @attr: attributes to change @@ -47,22 +106,18 @@ int inode_change_ok(struct inode *inode, struct iattr *attr) return 0; /* Make sure a caller can chown. */ - if ((ia_valid & ATTR_UID) && - (!uid_eq(current_fsuid(), inode->i_uid) || - !uid_eq(attr->ia_uid, inode->i_uid)) && - !capable_wrt_inode_uidgid(inode, CAP_CHOWN)) - return -EPERM; + if (ia_valid & ATTR_UID) + if (!inode_uid_change_ok(inode, attr->ia_uid)) + return -EPERM; /* Make sure caller can chgrp. */ - if ((ia_valid & ATTR_GID) && - (!uid_eq(current_fsuid(), inode->i_uid) || - (!in_group_p(attr->ia_gid) && !gid_eq(attr->ia_gid, inode->i_gid))) && - !capable_wrt_inode_uidgid(inode, CAP_CHOWN)) - return -EPERM; + if (ia_valid & ATTR_GID) + if (!inode_gid_change_ok(inode, attr->ia_gid)) + return -EPERM; /* Make sure a caller can chmod. */ if (ia_valid & ATTR_MODE) { - if (!inode_owner_or_capable(inode)) + if (!inode_owner_permitted_or_capable(inode, MAY_CHMOD)) return -EPERM; /* Also check the setgid bit! */ if (!in_group_p((ia_valid & ATTR_GID) ? attr->ia_gid : @@ -73,7 +128,7 @@ int inode_change_ok(struct inode *inode, struct iattr *attr) /* Check for setting the inode time. */ if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)) { - if (!inode_owner_or_capable(inode)) + if (!inode_owner_permitted_or_capable(inode, MAY_SET_TIMES)) return -EPERM; } diff --git a/include/linux/fs.h b/include/linux/fs.h index 208f73b..bb36561 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -88,6 +88,9 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, #define MAY_CREATE_DIR 0x00000200 #define MAY_DELETE_CHILD 0x00000400 #define MAY_DELETE_SELF 0x00000800 +#define MAY_TAKE_OWNERSHIP 0x00001000 +#define MAY_CHMOD 0x00002000 +#define MAY_SET_TIMES 0x00004000 /* * flags in file.f_mode. Note that FMODE_READ and FMODE_WRITE must correspond -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:06 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0F36C7CC7 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:48:06 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id D59E78F8064 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:05 -0700 (PDT) X-ASG-Debug-ID: 1467294483-04cbb027363b62c0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id WqLLZwFIUYMbVtGf (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:03 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 36530D64B1; Thu, 30 Jun 2016 13:48:03 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsh005273; Thu, 30 Jun 2016 09:47:56 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 06/22] richacl: In-memory representation and helper functions Date: Thu, 30 Jun 2016 15:46:57 +0200 X-ASG-Orig-Subj: [PATCH v23 06/22] richacl: In-memory representation and helper functions Message-Id: <1467294433-3222-7-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 30 Jun 2016 13:48:03 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294483 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 12573 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 A richacl consists of an NFSv4 acl and an owner, group, and other mask. These three masks correspond to the owner, group, and other file permission bits, but they contain NFSv4 permissions instead of POSIX permissions. Each entry in the NFSv4 acl applies to the file owner (OWNER@), the owning group (GROUP@), everyone (EVERYONE@), or to a specific uid or gid. As in the standard POSIX file permission model, each process is the owner, group, or other file class. A richacl grants a requested access only if the NFSv4 acl in the richacl grants the access (according to the NFSv4 permission check algorithm), and the file mask that applies to the process includes the requested permissions. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> --- fs/Makefile | 1 + fs/richacl.c | 65 ++++++++++++++++ include/linux/richacl.h | 179 +++++++++++++++++++++++++++++++++++++++++++ include/uapi/linux/Kbuild | 1 + include/uapi/linux/richacl.h | 99 ++++++++++++++++++++++++ 5 files changed, 345 insertions(+) create mode 100644 fs/richacl.c create mode 100644 include/linux/richacl.h create mode 100644 include/uapi/linux/richacl.h diff --git a/fs/Makefile b/fs/Makefile index 85b6e13..2b3e6f1 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -49,6 +49,7 @@ obj-$(CONFIG_COREDUMP) += coredump.o obj-$(CONFIG_SYSCTL) += drop_caches.o obj-$(CONFIG_FHANDLE) += fhandle.o +obj-$(CONFIG_FS_RICHACL) += richacl.o obj-y += quota/ diff --git a/fs/richacl.c b/fs/richacl.c new file mode 100644 index 0000000..bcc6591 --- /dev/null +++ b/fs/richacl.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2006, 2010 Novell, Inc. + * Copyright (C) 2015 Red Hat, Inc. + * Written by Andreas Gruenbacher <agruenba@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/sched.h> +#include <linux/module.h> +#include <linux/fs.h> +#include <linux/slab.h> +#include <linux/richacl.h> + +/** + * richacl_alloc - allocate a richacl + * @count: number of entries + */ +struct richacl * +richacl_alloc(int count, gfp_t gfp) +{ + size_t size = sizeof(struct richacl) + count * sizeof(struct richace); + struct richacl *acl = kzalloc(size, gfp); + + if (acl) { + atomic_set(&acl->a_refcount, 1); + acl->a_count = count; + } + return acl; +} +EXPORT_SYMBOL_GPL(richacl_alloc); + +/** + * richacl_clone - create a copy of a richacl + */ +struct richacl * +richacl_clone(const struct richacl *acl, gfp_t gfp) +{ + int count = acl->a_count; + size_t size = sizeof(struct richacl) + count * sizeof(struct richace); + struct richacl *dup = kmalloc(size, gfp); + + if (dup) { + memcpy(dup, acl, size); + atomic_set(&dup->a_refcount, 1); + } + return dup; +} + +/** + * richace_copy - copy an acl entry + */ +void +richace_copy(struct richace *to, const struct richace *from) +{ + memcpy(to, from, sizeof(struct richace)); +} diff --git a/include/linux/richacl.h b/include/linux/richacl.h new file mode 100644 index 0000000..edb8480 --- /dev/null +++ b/include/linux/richacl.h @@ -0,0 +1,179 @@ +/* + * Copyright (C) 2006, 2010 Novell, Inc. + * Copyright (C) 2015 Red Hat, Inc. + * Written by Andreas Gruenbacher <agruenba@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __RICHACL_H +#define __RICHACL_H + +#include <uapi/linux/richacl.h> + +struct richace { + unsigned short e_type; + unsigned short e_flags; + unsigned int e_mask; + union { + kuid_t uid; + kgid_t gid; + unsigned int special; + } e_id; +}; + +struct richacl { + atomic_t a_refcount; + unsigned int a_owner_mask; + unsigned int a_group_mask; + unsigned int a_other_mask; + unsigned short a_count; + unsigned short a_flags; + struct richace a_entries[0]; +}; + +#define richacl_for_each_entry(_ace, _acl) \ + for (_ace = (_acl)->a_entries; \ + _ace != (_acl)->a_entries + (_acl)->a_count; \ + _ace++) + +#define richacl_for_each_entry_reverse(_ace, _acl) \ + for (_ace = (_acl)->a_entries + (_acl)->a_count - 1; \ + _ace != (_acl)->a_entries - 1; \ + _ace--) + +/** + * richacl_get - grab another reference to a richacl handle + */ +static inline struct richacl * +richacl_get(struct richacl *acl) +{ + if (acl) + atomic_inc(&acl->a_refcount); + return acl; +} + +/** + * richacl_put - free a richacl handle + */ +static inline void +richacl_put(struct richacl *acl) +{ + if (acl && atomic_dec_and_test(&acl->a_refcount)) + kfree(acl); +} + +/** + * richace_is_owner - check if @ace is an OWNER@ entry + */ +static inline bool +richace_is_owner(const struct richace *ace) +{ + return (ace->e_flags & RICHACE_SPECIAL_WHO) && + ace->e_id.special == RICHACE_OWNER_SPECIAL_ID; +} + +/** + * richace_is_group - check if @ace is a GROUP@ entry + */ +static inline bool +richace_is_group(const struct richace *ace) +{ + return (ace->e_flags & RICHACE_SPECIAL_WHO) && + ace->e_id.special == RICHACE_GROUP_SPECIAL_ID; +} + +/** + * richace_is_everyone - check if @ace is an EVERYONE@ entry + */ +static inline bool +richace_is_everyone(const struct richace *ace) +{ + return (ace->e_flags & RICHACE_SPECIAL_WHO) && + ace->e_id.special == RICHACE_EVERYONE_SPECIAL_ID; +} + +/** + * richace_is_unix_user - check if @ace applies to a specific user + */ +static inline bool +richace_is_unix_user(const struct richace *ace) +{ + return !(ace->e_flags & RICHACE_SPECIAL_WHO) && + !(ace->e_flags & RICHACE_IDENTIFIER_GROUP); +} + +/** + * richace_is_unix_group - check if @ace applies to a specific group + */ +static inline bool +richace_is_unix_group(const struct richace *ace) +{ + return !(ace->e_flags & RICHACE_SPECIAL_WHO) && + (ace->e_flags & RICHACE_IDENTIFIER_GROUP); +} + +/** + * richace_is_inherit_only - check if @ace is for inheritance only + * + * ACEs with the %RICHACE_INHERIT_ONLY_ACE flag set have no effect during + * permission checking. + */ +static inline bool +richace_is_inherit_only(const struct richace *ace) +{ + return ace->e_flags & RICHACE_INHERIT_ONLY_ACE; +} + +/** + * richace_is_inheritable - check if @ace is inheritable + */ +static inline bool +richace_is_inheritable(const struct richace *ace) +{ + return ace->e_flags & (RICHACE_FILE_INHERIT_ACE | + RICHACE_DIRECTORY_INHERIT_ACE); +} + +/** + * richace_is_allow - check if @ace is an %ALLOW type entry + */ +static inline bool +richace_is_allow(const struct richace *ace) +{ + return ace->e_type == RICHACE_ACCESS_ALLOWED_ACE_TYPE; +} + +/** + * richace_is_deny - check if @ace is a %DENY type entry + */ +static inline bool +richace_is_deny(const struct richace *ace) +{ + return ace->e_type == RICHACE_ACCESS_DENIED_ACE_TYPE; +} + +/** + * richace_is_same_identifier - are both identifiers the same? + */ +static inline bool +richace_is_same_identifier(const struct richace *a, const struct richace *b) +{ + return !((a->e_flags ^ b->e_flags) & + (RICHACE_SPECIAL_WHO | RICHACE_IDENTIFIER_GROUP)) && + !memcmp(&a->e_id, &b->e_id, sizeof(a->e_id)); +} + +extern struct richacl *richacl_alloc(int, gfp_t); +extern struct richacl *richacl_clone(const struct richacl *, gfp_t); +extern void richace_copy(struct richace *, const struct richace *); + +#endif /* __RICHACL_H */ diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 8bdae34..abeaa98 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -355,6 +355,7 @@ header-y += reboot.h header-y += reiserfs_fs.h header-y += reiserfs_xattr.h header-y += resource.h +header-y += richacl.h header-y += rfkill.h header-y += rio_mport_cdev.h header-y += romfs_fs.h diff --git a/include/uapi/linux/richacl.h b/include/uapi/linux/richacl.h new file mode 100644 index 0000000..08856f8 --- /dev/null +++ b/include/uapi/linux/richacl.h @@ -0,0 +1,99 @@ +/* + * Copyright (C) 2006, 2010 Novell, Inc. + * Copyright (C) 2015 Red Hat, Inc. + * Written by Andreas Gruenbacher <agruenba@redhat.com> + * + * This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + */ + +#ifndef __UAPI_RICHACL_H +#define __UAPI_RICHACL_H + +/* a_flags values */ +#define RICHACL_WRITE_THROUGH 0x40 +#define RICHACL_MASKED 0x80 + +/* e_type values */ +#define RICHACE_ACCESS_ALLOWED_ACE_TYPE 0x0000 +#define RICHACE_ACCESS_DENIED_ACE_TYPE 0x0001 + +/* e_flags bitflags */ +#define RICHACE_FILE_INHERIT_ACE 0x0001 +#define RICHACE_DIRECTORY_INHERIT_ACE 0x0002 +#define RICHACE_NO_PROPAGATE_INHERIT_ACE 0x0004 +#define RICHACE_INHERIT_ONLY_ACE 0x0008 +#define RICHACE_IDENTIFIER_GROUP 0x0040 +#define RICHACE_SPECIAL_WHO 0x4000 + +/* e_mask bitflags */ +#define RICHACE_READ_DATA 0x00000001 +#define RICHACE_LIST_DIRECTORY 0x00000001 +#define RICHACE_WRITE_DATA 0x00000002 +#define RICHACE_ADD_FILE 0x00000002 +#define RICHACE_APPEND_DATA 0x00000004 +#define RICHACE_ADD_SUBDIRECTORY 0x00000004 +#define RICHACE_READ_NAMED_ATTRS 0x00000008 +#define RICHACE_WRITE_NAMED_ATTRS 0x00000010 +#define RICHACE_EXECUTE 0x00000020 +#define RICHACE_DELETE_CHILD 0x00000040 +#define RICHACE_READ_ATTRIBUTES 0x00000080 +#define RICHACE_WRITE_ATTRIBUTES 0x00000100 +#define RICHACE_WRITE_RETENTION 0x00000200 +#define RICHACE_WRITE_RETENTION_HOLD 0x00000400 +#define RICHACE_DELETE 0x00010000 +#define RICHACE_READ_ACL 0x00020000 +#define RICHACE_WRITE_ACL 0x00040000 +#define RICHACE_WRITE_OWNER 0x00080000 +#define RICHACE_SYNCHRONIZE 0x00100000 + +/* e_id values */ +#define RICHACE_OWNER_SPECIAL_ID 0 +#define RICHACE_GROUP_SPECIAL_ID 1 +#define RICHACE_EVERYONE_SPECIAL_ID 2 + +#define RICHACL_VALID_FLAGS ( \ + RICHACL_WRITE_THROUGH | \ + RICHACL_MASKED ) + +#define RICHACE_VALID_FLAGS ( \ + RICHACE_FILE_INHERIT_ACE | \ + RICHACE_DIRECTORY_INHERIT_ACE | \ + RICHACE_NO_PROPAGATE_INHERIT_ACE | \ + RICHACE_INHERIT_ONLY_ACE | \ + RICHACE_IDENTIFIER_GROUP | \ + RICHACE_SPECIAL_WHO ) + +#define RICHACE_INHERITANCE_FLAGS ( \ + RICHACE_FILE_INHERIT_ACE | \ + RICHACE_DIRECTORY_INHERIT_ACE | \ + RICHACE_NO_PROPAGATE_INHERIT_ACE | \ + RICHACE_INHERIT_ONLY_ACE ) + +/* Valid RICHACE_* flags for directories and non-directories */ +#define RICHACE_VALID_MASK ( \ + RICHACE_READ_DATA | RICHACE_LIST_DIRECTORY | \ + RICHACE_WRITE_DATA | RICHACE_ADD_FILE | \ + RICHACE_APPEND_DATA | RICHACE_ADD_SUBDIRECTORY | \ + RICHACE_READ_NAMED_ATTRS | \ + RICHACE_WRITE_NAMED_ATTRS | \ + RICHACE_EXECUTE | \ + RICHACE_DELETE_CHILD | \ + RICHACE_READ_ATTRIBUTES | \ + RICHACE_WRITE_ATTRIBUTES | \ + RICHACE_WRITE_RETENTION | \ + RICHACE_WRITE_RETENTION_HOLD | \ + RICHACE_DELETE | \ + RICHACE_READ_ACL | \ + RICHACE_WRITE_ACL | \ + RICHACE_WRITE_OWNER | \ + RICHACE_SYNCHRONIZE ) + +#endif /* __UAPI_RICHACL_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:12 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id DB0057CCC for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:48:12 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id AD76A30404E for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:12 -0700 (PDT) X-ASG-Debug-ID: 1467294490-04cb6c063d2c43d0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id msHJFkKfzWQT9ZDC (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:11 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3199F7F0B6; Thu, 30 Jun 2016 13:48:10 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsi005273; Thu, 30 Jun 2016 09:48:03 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 07/22] richacl: Permission mapping functions Date: Thu, 30 Jun 2016 15:46:58 +0200 X-ASG-Orig-Subj: [PATCH v23 07/22] richacl: Permission mapping functions Message-Id: <1467294433-3222-8-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 30 Jun 2016 13:48:10 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294491 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6962 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 We need to map from POSIX permissions to NFSv4 permissions when a chmod() is done, from NFSv4 permissions to POSIX permissions when an acl is set (which implicitly sets the file permission bits), and from the MAY_READ/MAY_WRITE/MAY_EXEC/MAY_APPEND flags to NFSv4 permissions when doing an access check in a richacl. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> --- fs/richacl.c | 118 +++++++++++++++++++++++++++++++++++++++++++ include/linux/richacl.h | 3 ++ include/uapi/linux/richacl.h | 44 ++++++++++++++++ 3 files changed, 165 insertions(+) diff --git a/fs/richacl.c b/fs/richacl.c index bcc6591..d0a4135 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -63,3 +63,121 @@ richace_copy(struct richace *to, const struct richace *from) { memcpy(to, from, sizeof(struct richace)); } + +/* + * richacl_mask_to_mode - compute the file permission bits from mask + * @mask: %RICHACE_* permission mask + * + * Compute the file permission bits corresponding to a particular set of + * richacl permissions. + * + * See richacl_masks_to_mode(). + */ +static int +richacl_mask_to_mode(unsigned int mask) +{ + int mode = 0; + + if (mask & RICHACE_POSIX_MODE_READ) + mode |= S_IROTH; + if (mask & RICHACE_POSIX_MODE_WRITE) + mode |= S_IWOTH; + if (mask & RICHACE_POSIX_MODE_EXEC) + mode |= S_IXOTH; + + return mode; +} + +/** + * richacl_masks_to_mode - compute file permission bits from file masks + * + * When setting a richacl, we set the file permission bits to indicate maximum + * permissions: for example, we set the Write permission when a mask contains + * RICHACE_APPEND_DATA even if it does not also contain RICHACE_WRITE_DATA. + * + * Permissions which are not in RICHACE_POSIX_MODE_READ, + * RICHACE_POSIX_MODE_WRITE, or RICHACE_POSIX_MODE_EXEC cannot be represented + * in the file permission bits. Such permissions can still be effective, but + * not for new files or after a chmod(); they must be explicitly enabled in the + * richacl. + */ +int +richacl_masks_to_mode(const struct richacl *acl) +{ + return richacl_mask_to_mode(acl->a_owner_mask) << 6 | + richacl_mask_to_mode(acl->a_group_mask) << 3 | + richacl_mask_to_mode(acl->a_other_mask); +} +EXPORT_SYMBOL_GPL(richacl_masks_to_mode); + +/** + * richacl_mode_to_mask - compute a file mask from the lowest three mode bits + * @mode: mode to convert to richacl permissions + * + * When the file permission bits of a file are set with chmod(), this specifies + * the maximum permissions that processes will get. All permissions beyond + * that will be removed from the file masks, and become ineffective. + */ +unsigned int +richacl_mode_to_mask(umode_t mode) +{ + unsigned int mask = 0; + + if (mode & S_IROTH) + mask |= RICHACE_POSIX_MODE_READ; + if (mode & S_IWOTH) + mask |= RICHACE_POSIX_MODE_WRITE; + if (mode & S_IXOTH) + mask |= RICHACE_POSIX_MODE_EXEC; + + return mask; +} + +/** + * richacl_want_to_mask - convert the iop->permission want argument to a mask + * @want: @want argument of the permission inode operation + * + * When checking for append, @want is (MAY_WRITE | MAY_APPEND). + * + * Richacls use the iop->may_create and iop->may_delete hooks which are used + * for checking if creating and deleting files is allowed. These hooks do not + * use richacl_want_to_mask(), so we do not have to deal with mapping MAY_WRITE + * to RICHACE_ADD_FILE, RICHACE_ADD_SUBDIRECTORY, and RICHACE_DELETE_CHILD + * here. + */ +unsigned int +richacl_want_to_mask(unsigned int want) +{ + unsigned int mask = 0; + + if (want & MAY_READ) + mask |= RICHACE_READ_DATA; + if (want & MAY_DELETE_SELF) + mask |= RICHACE_DELETE; + if (want & MAY_TAKE_OWNERSHIP) + mask |= RICHACE_WRITE_OWNER; + if (want & MAY_CHMOD) + mask |= RICHACE_WRITE_ACL; + if (want & MAY_SET_TIMES) + mask |= RICHACE_WRITE_ATTRIBUTES; + if (want & MAY_EXEC) + mask |= RICHACE_EXECUTE; + /* + * differentiate MAY_WRITE from these request + */ + if (want & (MAY_APPEND | + MAY_CREATE_FILE | MAY_CREATE_DIR | + MAY_DELETE_CHILD)) { + if (want & MAY_APPEND) + mask |= RICHACE_APPEND_DATA; + if (want & MAY_CREATE_FILE) + mask |= RICHACE_ADD_FILE; + if (want & MAY_CREATE_DIR) + mask |= RICHACE_ADD_SUBDIRECTORY; + if (want & MAY_DELETE_CHILD) + mask |= RICHACE_DELETE_CHILD; + } else if (want & MAY_WRITE) + mask |= RICHACE_WRITE_DATA; + return mask; +} +EXPORT_SYMBOL_GPL(richacl_want_to_mask); diff --git a/include/linux/richacl.h b/include/linux/richacl.h index edb8480..9102ef0 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -175,5 +175,8 @@ richace_is_same_identifier(const struct richace *a, const struct richace *b) extern struct richacl *richacl_alloc(int, gfp_t); extern struct richacl *richacl_clone(const struct richacl *, gfp_t); extern void richace_copy(struct richace *, const struct richace *); +extern int richacl_masks_to_mode(const struct richacl *); +extern unsigned int richacl_mode_to_mask(umode_t); +extern unsigned int richacl_want_to_mask(unsigned int); #endif /* __RICHACL_H */ diff --git a/include/uapi/linux/richacl.h b/include/uapi/linux/richacl.h index 08856f8..1ed48ac 100644 --- a/include/uapi/linux/richacl.h +++ b/include/uapi/linux/richacl.h @@ -96,4 +96,48 @@ RICHACE_WRITE_OWNER | \ RICHACE_SYNCHRONIZE ) +/* + * The POSIX permissions are supersets of the following richacl permissions: + * + * - MAY_READ maps to READ_DATA or LIST_DIRECTORY, depending on the type + * of the file system object. + * + * - MAY_WRITE maps to WRITE_DATA or RICHACE_APPEND_DATA for files, and to + * ADD_FILE, RICHACE_ADD_SUBDIRECTORY, or RICHACE_DELETE_CHILD for directories. + * + * - MAY_EXECUTE maps to RICHACE_EXECUTE. + * + * (Some of these richacl permissions have the same bit values.) + */ +#define RICHACE_POSIX_MODE_READ ( \ + RICHACE_READ_DATA | \ + RICHACE_LIST_DIRECTORY) +#define RICHACE_POSIX_MODE_WRITE ( \ + RICHACE_WRITE_DATA | \ + RICHACE_ADD_FILE | \ + RICHACE_APPEND_DATA | \ + RICHACE_ADD_SUBDIRECTORY | \ + RICHACE_DELETE_CHILD) +#define RICHACE_POSIX_MODE_EXEC RICHACE_EXECUTE +#define RICHACE_POSIX_MODE_ALL ( \ + RICHACE_POSIX_MODE_READ | \ + RICHACE_POSIX_MODE_WRITE | \ + RICHACE_POSIX_MODE_EXEC) + +/* + * These permissions are always allowed no matter what the acl says. + */ +#define RICHACE_POSIX_ALWAYS_ALLOWED ( \ + RICHACE_SYNCHRONIZE | \ + RICHACE_READ_ATTRIBUTES | \ + RICHACE_READ_ACL) + +/* + * The owner is implicitly granted these permissions under POSIX. + */ +#define RICHACE_POSIX_OWNER_ALLOWED ( \ + RICHACE_WRITE_ATTRIBUTES | \ + RICHACE_WRITE_OWNER | \ + RICHACE_WRITE_ACL) + #endif /* __UAPI_RICHACL_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:21 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 17EEC7CA3 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:48:21 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id DDD1530404E for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:20 -0700 (PDT) X-ASG-Debug-ID: 1467294497-04cbb027353b62f0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id oyUzyfMBq8FvepLL (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:17 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1853763144; Thu, 30 Jun 2016 13:48:17 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsj005273; Thu, 30 Jun 2016 09:48:10 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 08/22] richacl: Compute maximum file masks from an acl Date: Thu, 30 Jun 2016 15:46:59 +0200 X-ASG-Orig-Subj: [PATCH v23 08/22] richacl: Compute maximum file masks from an acl Message-Id: <1467294433-3222-9-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 30 Jun 2016 13:48:17 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294497 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6812 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Compute upper bound owner, group, and other file masks with as few permissions as possible without denying any permissions that the NFSv4 acl in a richacl grants. This algorithm is used when a file inherits an acl at create time and when an acl is set via a mechanism that does not provide file masks (such as setting an acl via nfsd). When user-space sets an acl via setxattr, the extended attribute already includes the file masks. Setting an acl also sets the file mode permission bits: they are determined by the file masks; see richacl_masks_to_mode(). Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> --- fs/richacl.c | 157 ++++++++++++++++++++++++++++++++++++++++++++++++ include/linux/richacl.h | 1 + 2 files changed, 158 insertions(+) diff --git a/fs/richacl.c b/fs/richacl.c index d0a4135..056228f 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -181,3 +181,160 @@ richacl_want_to_mask(unsigned int want) return mask; } EXPORT_SYMBOL_GPL(richacl_want_to_mask); + +/* + * Note: functions like richacl_allowed_to_who(), richacl_group_class_allowed(), + * and richacl_compute_max_masks() iterate through the entire acl in reverse + * order as an optimization. + * + * In the standard algorithm, aces are considered in forward order. When a + * process matches an ace, the permissions in the ace are either allowed or + * denied depending on the ace type. Once a permission has been allowed or + * denied, it is no longer considered in further aces. + * + * By iterating through the acl in reverse order, we can compute the same + * result without having to keep track of which permissions have been allowed + * and denied already. + */ + +/** + * richacl_allowed_to_who - permissions allowed to a specific who value + * + * Compute the maximum mask values allowed to a specific who value, taking + * everyone@ aces into account. + */ +static unsigned int richacl_allowed_to_who(struct richacl *acl, + struct richace *who) +{ + struct richace *ace; + unsigned int allowed = 0; + + richacl_for_each_entry_reverse(ace, acl) { + if (richace_is_inherit_only(ace)) + continue; + if (richace_is_same_identifier(ace, who) || + richace_is_everyone(ace)) { + if (richace_is_allow(ace)) + allowed |= ace->e_mask; + else if (richace_is_deny(ace)) + allowed &= ~ace->e_mask; + } + } + return allowed; +} + +/** + * richacl_group_class_allowed - maximum permissions of the group class + * + * Compute the maximum mask values allowed to a process in the group class + * (i.e., a process which is not the owner but is in the owning group or + * matches a user or group acl entry). This includes permissions granted or + * denied by everyone@ aces. + * + * See richacl_compute_max_masks(). + */ +static unsigned int richacl_group_class_allowed(struct richacl *acl) +{ + struct richace *ace; + unsigned int everyone_allowed = 0, group_class_allowed = 0; + int had_group_ace = 0; + + richacl_for_each_entry_reverse(ace, acl) { + if (richace_is_inherit_only(ace) || + richace_is_owner(ace)) + continue; + + if (richace_is_everyone(ace)) { + if (richace_is_allow(ace)) + everyone_allowed |= ace->e_mask; + else if (richace_is_deny(ace)) + everyone_allowed &= ~ace->e_mask; + } else { + group_class_allowed |= + richacl_allowed_to_who(acl, ace); + + if (richace_is_group(ace)) + had_group_ace = 1; + } + } + /* + * If the acl doesn't contain any group@ aces, richacl_allowed_to_who() + * wasn't called for the owning group. We could make that call now, but + * we already know the result (everyone_allowed). + */ + if (!had_group_ace) + group_class_allowed |= everyone_allowed; + return group_class_allowed; +} + +/** + * richacl_compute_max_masks - compute upper bound masks + * + * Computes upper bound owner, group, and other masks so that none of the + * permissions allowed by the acl are disabled. + * + * We don't make assumptions about who the owner is so that the owner can + * change with no effect on the file masks or file mode permission bits; this + * means that we must assume that all entries can match the owner. + */ +void richacl_compute_max_masks(struct richacl *acl) +{ + unsigned int gmask = ~0; + struct richace *ace; + + /* + * @gmask contains all permissions which the group class is ever + * allowed. We use it to avoid adding permissions to the group mask + * from everyone@ allow aces which the group class is always denied + * through other aces. For example, the following acl would otherwise + * result in a group mask of rw: + * + * group@:w::deny + * everyone@:rw::allow + * + * Avoid computing @gmask for acls which do not include any group class + * deny aces: in such acls, the group class is never denied any + * permissions from everyone@ allow aces, and the group class cannot + * have fewer permissions than the other class. + */ + +restart: + acl->a_owner_mask = 0; + acl->a_group_mask = 0; + acl->a_other_mask = 0; + + richacl_for_each_entry_reverse(ace, acl) { + if (richace_is_inherit_only(ace)) + continue; + + if (richace_is_owner(ace)) { + if (richace_is_allow(ace)) + acl->a_owner_mask |= ace->e_mask; + else if (richace_is_deny(ace)) + acl->a_owner_mask &= ~ace->e_mask; + } else if (richace_is_everyone(ace)) { + if (richace_is_allow(ace)) { + acl->a_owner_mask |= ace->e_mask; + acl->a_group_mask |= ace->e_mask & gmask; + acl->a_other_mask |= ace->e_mask; + } else if (richace_is_deny(ace)) { + acl->a_owner_mask &= ~ace->e_mask; + acl->a_group_mask &= ~ace->e_mask; + acl->a_other_mask &= ~ace->e_mask; + } + } else { + if (richace_is_allow(ace)) { + acl->a_owner_mask |= ace->e_mask & gmask; + acl->a_group_mask |= ace->e_mask & gmask; + } else if (richace_is_deny(ace) && gmask == ~0) { + gmask = richacl_group_class_allowed(acl); + if (likely(gmask != ~0)) + /* should always be true */ + goto restart; + } + } + } + + acl->a_flags &= ~(RICHACL_WRITE_THROUGH | RICHACL_MASKED); +} +EXPORT_SYMBOL_GPL(richacl_compute_max_masks); diff --git a/include/linux/richacl.h b/include/linux/richacl.h index 9102ef0..3559b2c 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -178,5 +178,6 @@ extern void richace_copy(struct richace *, const struct richace *); extern int richacl_masks_to_mode(const struct richacl *); extern unsigned int richacl_mode_to_mask(umode_t); extern unsigned int richacl_want_to_mask(unsigned int); +extern void richacl_compute_max_masks(struct richacl *); #endif /* __RICHACL_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:25 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id EDBD97CA6 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:48:25 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id AE59E8F8064 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:25 -0700 (PDT) X-ASG-Debug-ID: 1467294504-04bdf074b5238700001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id dIHEE759OoxmYtTw (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:24 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 046FCC049D5C; Thu, 30 Jun 2016 13:48:24 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsk005273; Thu, 30 Jun 2016 09:48:17 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 09/22] richacl: Permission check algorithm Date: Thu, 30 Jun 2016 15:47:00 +0200 X-ASG-Orig-Subj: [PATCH v23 09/22] richacl: Permission check algorithm Message-Id: <1467294433-3222-10-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 30 Jun 2016 13:48:24 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294504 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5277 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 A richacl roughly grants a requested access if the NFSv4 acl in the richacl grants the requested permissions according to the NFSv4 permission check algorithm and the file mask that applies to the process includes the requested permissions. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@fieldses.org> --- fs/richacl.c | 128 ++++++++++++++++++++++++++++++++++++++++++++++++ include/linux/richacl.h | 1 + 2 files changed, 129 insertions(+) diff --git a/fs/richacl.c b/fs/richacl.c index 056228f..cb0ef3f 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -338,3 +338,131 @@ restart: acl->a_flags &= ~(RICHACL_WRITE_THROUGH | RICHACL_MASKED); } EXPORT_SYMBOL_GPL(richacl_compute_max_masks); + +/** + * richacl_permission - richacl permission check algorithm + * @inode: inode to check + * @acl: rich acl of the inode + * @want: requested access (MAY_* flags) + * + * Checks if the current process is granted @mask flags in @acl. + */ +int +richacl_permission(struct inode *inode, const struct richacl *acl, + int want) +{ + const struct richace *ace; + unsigned int mask = richacl_want_to_mask(want); + unsigned int requested = mask, denied = 0; + int in_owning_group = in_group_p(inode->i_gid); + int in_owner_or_group_class = in_owning_group; + + /* + * A process is + * - in the owner file class if it owns the file, + * - in the group file class if it is in the file's owning group or + * it matches any of the user or group entries, and + * - in the other file class otherwise. + * The file class is only relevant for determining which file mask to + * apply, which only happens for masked acls. + */ + if (acl->a_flags & RICHACL_MASKED) { + if ((acl->a_flags & RICHACL_WRITE_THROUGH) && + uid_eq(current_fsuid(), inode->i_uid)) { + denied = requested & ~acl->a_owner_mask; + goto out; + } + } else { + /* + * When the acl is not masked, there is no need to determine if + * the process is in the group class and we can break out + * earlier of the loop below. + */ + in_owner_or_group_class = 1; + } + + /* + * Check if the acl grants the requested access and determine which + * file class the process is in. + */ + richacl_for_each_entry(ace, acl) { + unsigned int ace_mask = ace->e_mask; + + if (richace_is_inherit_only(ace)) + continue; + if (richace_is_owner(ace)) { + if (!uid_eq(current_fsuid(), inode->i_uid)) + continue; + goto entry_matches_owner; + } else if (richace_is_group(ace)) { + if (!in_owning_group) + continue; + } else if (richace_is_unix_user(ace)) { + if (!uid_eq(current_fsuid(), ace->e_id.uid)) + continue; + if (uid_eq(current_fsuid(), inode->i_uid)) + goto entry_matches_owner; + } else if (richace_is_unix_group(ace)) { + if (!in_group_p(ace->e_id.gid)) + continue; + } else + goto entry_matches_everyone; + + /* + * Apply the group file mask to entries other than owner@ and + * everyone@ or user entries matching the owner. This ensures + * that we grant the same permissions as the acl computed by + * richacl_apply_masks(). + * + * Without this restriction, the following richacl would grant + * rw access to processes which are both the owner and in the + * owning group, but not to other users in the owning group, + * which could not be represented without masks: + * + * owner:rw::mask + * group@:rw::allow + */ + if ((acl->a_flags & RICHACL_MASKED) && richace_is_allow(ace)) + ace_mask &= acl->a_group_mask; + +entry_matches_owner: + /* The process is in the owner or group file class. */ + in_owner_or_group_class = 1; + +entry_matches_everyone: + /* Check which mask flags the ACE allows or denies. */ + if (richace_is_deny(ace)) + denied |= ace_mask & mask; + mask &= ~ace_mask; + + /* + * Keep going until we know which file class + * the process is in. + */ + if (!mask && in_owner_or_group_class) + break; + } + denied |= mask; + + if (acl->a_flags & RICHACL_MASKED) { + /* + * The file class a process is in determines which file mask + * applies. Check if that file mask also grants the requested + * access. + */ + if (uid_eq(current_fsuid(), inode->i_uid)) + denied |= requested & ~acl->a_owner_mask; + else if (in_owner_or_group_class) + denied |= requested & ~acl->a_group_mask; + else { + if (acl->a_flags & RICHACL_WRITE_THROUGH) + denied = requested & ~acl->a_other_mask; + else + denied |= requested & ~acl->a_other_mask; + } + } + +out: + return denied ? -EACCES : 0; +} +EXPORT_SYMBOL_GPL(richacl_permission); diff --git a/include/linux/richacl.h b/include/linux/richacl.h index 3559b2c..be9fb65 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -179,5 +179,6 @@ extern int richacl_masks_to_mode(const struct richacl *); extern unsigned int richacl_mode_to_mask(umode_t); extern unsigned int richacl_want_to_mask(unsigned int); extern void richacl_compute_max_masks(struct richacl *); +extern int richacl_permission(struct inode *, const struct richacl *, int); #endif /* __RICHACL_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:45 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 124827CB1 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:48:45 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 94D55AC00A for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:44 -0700 (PDT) X-ASG-Debug-ID: 1467294522-04bdf074b5238730001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id LbcEOCNgO5Pr7fzK (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:42 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AB23747D2; Thu, 30 Jun 2016 13:48:38 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsm005273; Thu, 30 Jun 2016 09:48:31 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org, Andreas Dilger <adilger@dilger.ca> Subject: [PATCH v23 11/22] vfs: Cache base_acl objects in inodes Date: Thu, 30 Jun 2016 15:47:02 +0200 X-ASG-Orig-Subj: [PATCH v23 11/22] vfs: Cache base_acl objects in inodes Message-Id: <1467294433-3222-12-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 30 Jun 2016 13:48:38 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294522 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 17875 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 POSIX ACLs and richacls are both objects allocated by kmalloc() with a reference count which are freed by kfree_rcu(). An inode can either cache an access and a default POSIX ACL, or a richacl (richacls do not have default acls). To allow an inode to cache either of the two kinds of acls, introduce a new base_acl type and convert i_acl and i_default_acl to that type. In most cases, the vfs then doesn't care which kind of acl an inode caches (if any). Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Cc: Andreas Dilger <adilger@dilger.ca> --- drivers/staging/lustre/lustre/llite/llite_lib.c | 2 +- fs/9p/acl.c | 8 +-- fs/f2fs/acl.c | 4 +- fs/inode.c | 32 +++++++++++- fs/jffs2/acl.c | 6 ++- fs/namei.c | 33 ++++++------ fs/nfs/nfs3acl.c | 14 ++--- fs/posix_acl.c | 69 +++++++------------------ fs/richacl.c | 4 +- include/linux/fs.h | 41 +++++++++++++-- include/linux/posix_acl.h | 21 ++++---- include/linux/richacl.h | 9 ++-- 12 files changed, 139 insertions(+), 104 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 96c7e9f..7819a7c 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -1087,7 +1087,7 @@ void ll_clear_inode(struct inode *inode) } #ifdef CONFIG_FS_POSIX_ACL else if (lli->lli_posix_acl) { - LASSERT(atomic_read(&lli->lli_posix_acl->a_refcount) == 1); + LASSERT(base_acl_refcount(&lli->lli_posix_acl->a_base) == 1); LASSERT(!lli->lli_remote_perms); posix_acl_release(lli->lli_posix_acl); lli->lli_posix_acl = NULL; diff --git a/fs/9p/acl.c b/fs/9p/acl.c index 0576eae..1ce572f 100644 --- a/fs/9p/acl.c +++ b/fs/9p/acl.c @@ -87,14 +87,14 @@ int v9fs_get_acl(struct inode *inode, struct p9_fid *fid) static struct posix_acl *v9fs_get_cached_acl(struct inode *inode, int type) { - struct posix_acl *acl; + struct base_acl *base_acl; /* * 9p Always cache the acl value when * instantiating the inode (v9fs_inode_from_fid) */ - acl = get_cached_acl(inode, type); - BUG_ON(is_uncached_acl(acl)); - return acl; + base_acl = get_cached_acl(inode, type); + BUG_ON(is_uncached_acl(base_acl)); + return posix_acl(base_acl); } struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type) diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index a31c7e8..6079017 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -267,7 +267,7 @@ static struct posix_acl *f2fs_acl_clone(const struct posix_acl *acl, sizeof(struct posix_acl_entry); clone = kmemdup(acl, size, flags); if (clone) - atomic_set(&clone->a_refcount, 1); + base_acl_init(&clone->a_base); } return clone; } @@ -279,7 +279,7 @@ static int f2fs_acl_create_masq(struct posix_acl *acl, umode_t *mode_p) umode_t mode = *mode_p; int not_equiv = 0; - /* assert(atomic_read(acl->a_refcount) == 1); */ + /* assert(base_acl_refcount(&acl->a_base) == 1); */ FOREACH_ACL_ENTRY(pa, acl, pe) { switch(pa->e_tag) { diff --git a/fs/inode.c b/fs/inode.c index 4ccbc21..40c03a7 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -240,14 +240,42 @@ void __destroy_inode(struct inode *inode) #ifdef CONFIG_FS_POSIX_ACL if (inode->i_acl && !is_uncached_acl(inode->i_acl)) - posix_acl_release(inode->i_acl); + base_acl_put(inode->i_acl); if (inode->i_default_acl && !is_uncached_acl(inode->i_default_acl)) - posix_acl_release(inode->i_default_acl); + base_acl_put(inode->i_default_acl); #endif this_cpu_dec(nr_inodes); } EXPORT_SYMBOL(__destroy_inode); +#ifdef CONFIG_FS_POSIX_ACL +struct base_acl *__get_cached_acl(struct base_acl **p) +{ + struct base_acl *base_acl; + + for (;;) { + rcu_read_lock(); + base_acl = rcu_dereference(*p); + if (!base_acl || is_uncached_acl(base_acl) || + atomic_inc_not_zero(&base_acl->ba_refcount)) + break; + rcu_read_unlock(); + cpu_relax(); + } + rcu_read_unlock(); + return base_acl; +} + +void __forget_cached_acl(struct base_acl **p) +{ + struct base_acl *old; + + old = xchg(p, ACL_NOT_CACHED); + if (!is_uncached_acl(old)) + base_acl_put(old); +} +#endif + static void i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c index bc2693d..6c11909 100644 --- a/fs/jffs2/acl.c +++ b/fs/jffs2/acl.c @@ -292,13 +292,15 @@ int jffs2_init_acl_post(struct inode *inode) int rc; if (inode->i_default_acl) { - rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_DEFAULT, inode->i_default_acl); + rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_DEFAULT, + posix_acl(inode->i_default_acl)); if (rc) return rc; } if (inode->i_acl) { - rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_ACCESS, inode->i_acl); + rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_ACCESS, + posix_acl(inode->i_acl)); if (rc) return rc; } diff --git a/fs/namei.c b/fs/namei.c index 663933e..7a822d0 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -259,25 +259,28 @@ void putname(struct filename *name) static int check_acl(struct inode *inode, int mask) { #ifdef CONFIG_FS_POSIX_ACL - struct posix_acl *acl; - if (mask & MAY_NOT_BLOCK) { - acl = get_cached_acl_rcu(inode, ACL_TYPE_ACCESS); - if (!acl) + struct base_acl *base_acl; + + base_acl = rcu_dereference(inode->i_acl); + if (!base_acl) return -EAGAIN; /* no ->get_acl() calls in RCU mode... */ - if (is_uncached_acl(acl)) + if (is_uncached_acl(base_acl)) return -ECHILD; - return posix_acl_permission(inode, acl, mask & ~MAY_NOT_BLOCK); - } - - acl = get_acl(inode, ACL_TYPE_ACCESS); - if (IS_ERR(acl)) - return PTR_ERR(acl); - if (acl) { - int error = posix_acl_permission(inode, acl, mask); - posix_acl_release(acl); - return error; + return posix_acl_permission(inode, posix_acl(base_acl), + mask & ~MAY_NOT_BLOCK); + } else { + struct posix_acl *acl; + + acl = get_acl(inode, ACL_TYPE_ACCESS); + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl) { + int error = posix_acl_permission(inode, acl, mask); + posix_acl_release(acl); + return error; + } } #endif diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index 720d92f5..2b70944 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -16,28 +16,28 @@ * caching get_acl results in a race-free way. See fs/posix_acl.c:get_acl() * for explanations. */ -static void nfs3_prepare_get_acl(struct posix_acl **p) +static void nfs3_prepare_get_acl(struct base_acl **p) { - struct posix_acl *sentinel = uncached_acl_sentinel(current); + struct base_acl *sentinel = uncached_acl_sentinel(current); if (cmpxchg(p, ACL_NOT_CACHED, sentinel) != ACL_NOT_CACHED) { /* Not the first reader or sentinel already in place. */ } } -static void nfs3_complete_get_acl(struct posix_acl **p, struct posix_acl *acl) +static void nfs3_complete_get_acl(struct base_acl **p, struct posix_acl *acl) { - struct posix_acl *sentinel = uncached_acl_sentinel(current); + struct base_acl *sentinel = uncached_acl_sentinel(current); /* Only cache the ACL if our sentinel is still in place. */ posix_acl_dup(acl); - if (cmpxchg(p, sentinel, acl) != sentinel) + if (cmpxchg(p, sentinel, &acl->a_base) != sentinel) posix_acl_release(acl); } -static void nfs3_abort_get_acl(struct posix_acl **p) +static void nfs3_abort_get_acl(struct base_acl **p) { - struct posix_acl *sentinel = uncached_acl_sentinel(current); + struct base_acl *sentinel = uncached_acl_sentinel(current); /* Remove our sentinel upon failure. */ cmpxchg(p, sentinel, ACL_NOT_CACHED); diff --git a/fs/posix_acl.c b/fs/posix_acl.c index edc452c..1b685a1 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -21,7 +21,7 @@ #include <linux/export.h> #include <linux/user_namespace.h> -static struct posix_acl **acl_by_type(struct inode *inode, int type) +static inline struct base_acl **acl_by_type(struct inode *inode, int type) { switch (type) { case ACL_TYPE_ACCESS: @@ -33,51 +33,23 @@ static struct posix_acl **acl_by_type(struct inode *inode, int type) } } -struct posix_acl *get_cached_acl(struct inode *inode, int type) +struct base_acl *get_cached_acl(struct inode *inode, int type) { - struct posix_acl **p = acl_by_type(inode, type); - struct posix_acl *acl; - - for (;;) { - rcu_read_lock(); - acl = rcu_dereference(*p); - if (!acl || is_uncached_acl(acl) || - atomic_inc_not_zero(&acl->a_refcount)) - break; - rcu_read_unlock(); - cpu_relax(); - } - rcu_read_unlock(); - return acl; + return __get_cached_acl(acl_by_type(inode, type)); } EXPORT_SYMBOL(get_cached_acl); -struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type) -{ - return rcu_dereference(*acl_by_type(inode, type)); -} -EXPORT_SYMBOL(get_cached_acl_rcu); - void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl) { - struct posix_acl **p = acl_by_type(inode, type); - struct posix_acl *old; + struct base_acl **p = acl_by_type(inode, type); + struct base_acl *old; - old = xchg(p, posix_acl_dup(acl)); + old = xchg(p, &posix_acl_dup(acl)->a_base); if (!is_uncached_acl(old)) - posix_acl_release(old); + base_acl_put(old); } EXPORT_SYMBOL(set_cached_acl); -static void __forget_cached_acl(struct posix_acl **p) -{ - struct posix_acl *old; - - old = xchg(p, ACL_NOT_CACHED); - if (!is_uncached_acl(old)) - posix_acl_release(old); -} - void forget_cached_acl(struct inode *inode, int type) { __forget_cached_acl(acl_by_type(inode, type)); @@ -93,25 +65,24 @@ EXPORT_SYMBOL(forget_all_cached_acls); struct posix_acl *get_acl(struct inode *inode, int type) { - void *sentinel; - struct posix_acl **p; + struct base_acl **p = acl_by_type(inode, type); + struct base_acl *sentinel, *base_acl; struct posix_acl *acl; + if (!IS_POSIXACL(inode)) + return NULL; + /* * The sentinel is used to detect when another operation like * set_cached_acl() or forget_cached_acl() races with get_acl(). * It is guaranteed that is_uncached_acl(sentinel) is true. */ - acl = get_cached_acl(inode, type); - if (!is_uncached_acl(acl)) - return acl; - - if (!IS_POSIXACL(inode)) - return NULL; + base_acl = __get_cached_acl(p); + if (!is_uncached_acl(base_acl)) + return posix_acl(base_acl); sentinel = uncached_acl_sentinel(current); - p = acl_by_type(inode, type); /* * If the ACL isn't being read yet, set our sentinel. Otherwise, the @@ -151,7 +122,7 @@ struct posix_acl *get_acl(struct inode *inode, int type) * Cache the result, but only if our sentinel is still in place. */ posix_acl_dup(acl); - if (unlikely(cmpxchg(p, sentinel, acl) != sentinel)) + if (unlikely(cmpxchg(p, sentinel, &acl->a_base) != sentinel)) posix_acl_release(acl); return acl; } @@ -163,7 +134,7 @@ EXPORT_SYMBOL(get_acl); void posix_acl_init(struct posix_acl *acl, int count) { - atomic_set(&acl->a_refcount, 1); + base_acl_init(&acl->a_base); acl->a_count = count; } EXPORT_SYMBOL(posix_acl_init); @@ -196,7 +167,7 @@ posix_acl_clone(const struct posix_acl *acl, gfp_t flags) sizeof(struct posix_acl_entry); clone = kmemdup(acl, size, flags); if (clone) - atomic_set(&clone->a_refcount, 1); + base_acl_init(&clone->a_base); } return clone; } @@ -418,7 +389,7 @@ static int posix_acl_create_masq(struct posix_acl *acl, umode_t *mode_p) umode_t mode = *mode_p; int not_equiv = 0; - /* assert(atomic_read(acl->a_refcount) == 1); */ + /* assert(base_acl_refcount(&acl->a_base) == 1); */ FOREACH_ACL_ENTRY(pa, acl, pe) { switch(pa->e_tag) { @@ -473,7 +444,7 @@ static int __posix_acl_chmod_masq(struct posix_acl *acl, umode_t mode) struct posix_acl_entry *group_obj = NULL, *mask_obj = NULL; struct posix_acl_entry *pa, *pe; - /* assert(atomic_read(acl->a_refcount) == 1); */ + /* assert(base_acl_refcount(&acl->a_base) == 1); */ FOREACH_ACL_ENTRY(pa, acl, pe) { switch(pa->e_tag) { diff --git a/fs/richacl.c b/fs/richacl.c index cb0ef3f..8971ead 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -31,7 +31,7 @@ richacl_alloc(int count, gfp_t gfp) struct richacl *acl = kzalloc(size, gfp); if (acl) { - atomic_set(&acl->a_refcount, 1); + base_acl_init(&acl->a_base); acl->a_count = count; } return acl; @@ -50,7 +50,7 @@ richacl_clone(const struct richacl *acl, gfp_t gfp) if (dup) { memcpy(dup, acl, size); - atomic_set(&dup->a_refcount, 1); + base_acl_init(&dup->a_base); } return dup; } diff --git a/include/linux/fs.h b/include/linux/fs.h index bb36561..06a30b0 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -582,17 +582,23 @@ static inline void mapping_allow_writable(struct address_space *mapping) #define i_size_ordered_init(inode) do { } while (0) #endif +struct base_acl { + union { + atomic_t ba_refcount; + struct rcu_head ba_rcu; + }; +}; struct posix_acl; #define ACL_NOT_CACHED ((void *)(-1)) -static inline struct posix_acl * +static inline struct base_acl * uncached_acl_sentinel(struct task_struct *task) { return (void *)task + 1; } static inline bool -is_uncached_acl(struct posix_acl *acl) +is_uncached_acl(struct base_acl *acl) { return (long)acl & 1; } @@ -613,9 +619,9 @@ struct inode { kgid_t i_gid; unsigned int i_flags; -#ifdef CONFIG_FS_POSIX_ACL - struct posix_acl *i_acl; - struct posix_acl *i_default_acl; +#if defined(CONFIG_FS_POSIX_ACL) + struct base_acl *i_acl; + struct base_acl *i_default_acl; #endif const struct inode_operations *i_op; @@ -3193,4 +3199,29 @@ static inline bool dir_relax_shared(struct inode *inode) extern bool path_noexec(const struct path *path); extern void inode_nohighmem(struct inode *inode); +static inline void base_acl_get(struct base_acl *acl) +{ + if (acl) + atomic_inc(&acl->ba_refcount); +} + +static inline void base_acl_put(struct base_acl *acl) +{ + if (acl && atomic_dec_and_test(&acl->ba_refcount)) + kfree_rcu(acl, ba_rcu); +} + +static inline void base_acl_init(struct base_acl *acl) +{ + atomic_set(&acl->ba_refcount, 1); +} + +static inline int base_acl_refcount(struct base_acl *acl) +{ + return atomic_read(&acl->ba_refcount); +} + +extern struct base_acl *__get_cached_acl(struct base_acl **); +extern void __forget_cached_acl(struct base_acl **); + #endif /* _LINUX_FS_H */ diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h index 5b5a80c..daf84fa 100644 --- a/include/linux/posix_acl.h +++ b/include/linux/posix_acl.h @@ -43,10 +43,7 @@ struct posix_acl_entry { }; struct posix_acl { - union { - atomic_t a_refcount; - struct rcu_head a_rcu; - }; + struct base_acl a_base; /* must be first, see posix_acl_release() */ unsigned int a_count; struct posix_acl_entry a_entries[0]; }; @@ -61,8 +58,7 @@ struct posix_acl { static inline struct posix_acl * posix_acl_dup(struct posix_acl *acl) { - if (acl) - atomic_inc(&acl->a_refcount); + base_acl_get(&acl->a_base); return acl; } @@ -72,10 +68,16 @@ posix_acl_dup(struct posix_acl *acl) static inline void posix_acl_release(struct posix_acl *acl) { - if (acl && atomic_dec_and_test(&acl->a_refcount)) - kfree_rcu(acl, a_rcu); + BUILD_BUG_ON(offsetof(struct posix_acl, a_base) != 0); + base_acl_put(&acl->a_base); } +static inline struct posix_acl * +posix_acl(struct base_acl *base_acl) +{ + BUILD_BUG_ON(offsetof(struct posix_acl, a_base) != 0); + return container_of(base_acl, struct posix_acl, a_base); +} /* posix_acl.c */ @@ -99,8 +101,7 @@ extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **, extern int simple_set_acl(struct inode *, struct posix_acl *, int); extern int simple_acl_create(struct inode *, struct inode *); -struct posix_acl *get_cached_acl(struct inode *inode, int type); -struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type); +struct base_acl *get_cached_acl(struct inode *inode, int type); void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl); void forget_cached_acl(struct inode *inode, int type); void forget_all_cached_acls(struct inode *inode); diff --git a/include/linux/richacl.h b/include/linux/richacl.h index be9fb65..35a5bcb 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -31,7 +31,7 @@ struct richace { }; struct richacl { - atomic_t a_refcount; + struct base_acl a_base; /* must be first, see richacl_put() */ unsigned int a_owner_mask; unsigned int a_group_mask; unsigned int a_other_mask; @@ -56,8 +56,7 @@ struct richacl { static inline struct richacl * richacl_get(struct richacl *acl) { - if (acl) - atomic_inc(&acl->a_refcount); + base_acl_get(&acl->a_base); return acl; } @@ -67,8 +66,8 @@ richacl_get(struct richacl *acl) static inline void richacl_put(struct richacl *acl) { - if (acl && atomic_dec_and_test(&acl->a_refcount)) - kfree(acl); + BUILD_BUG_ON(offsetof(struct richacl, a_base) != 0); + base_acl_put(&acl->a_base); } /** -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:55 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 639377CDB for <xfs@oss.sgi.com>; 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Thu, 30 Jun 2016 09:48:24 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 10/22] posix_acl: Improve xattr fixup code Date: Thu, 30 Jun 2016 15:47:01 +0200 X-ASG-Orig-Subj: [PATCH v23 10/22] posix_acl: Improve xattr fixup code Message-Id: <1467294433-3222-11-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 30 Jun 2016 13:48:31 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294511 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2418 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Both XATTR_NAME_POSIX_ACL_ACCESS and XATTR_NAME_POSIX_ACL_DEFAULT have the same XATTR_SYSTEM_PREFIX prefix; don't check for the same prefix repeatedly. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: Steve French <steve.french@primarydata.com> --- fs/xattr.c | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/fs/xattr.c b/fs/xattr.c index 4beafc4..61ac218 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -295,6 +295,16 @@ out: } EXPORT_SYMBOL_GPL(vfs_removexattr); +static void +fix_xattr_from_user(const char *kname, void *kvalue, size_t size) +{ + if (strncmp(kname, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN)) + return; + kname += XATTR_SYSTEM_PREFIX_LEN; + if (!strcmp(kname, XATTR_POSIX_ACL_ACCESS) || + !strcmp(kname, XATTR_POSIX_ACL_DEFAULT)) + posix_acl_fix_xattr_from_user(kvalue, size); +} /* * Extended attribute SET operations @@ -329,9 +339,7 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value, error = -EFAULT; goto out; } - if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) || - (strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0)) - posix_acl_fix_xattr_from_user(kvalue, size); + fix_xattr_from_user(kname, kvalue, size); } error = vfs_setxattr(d, kname, kvalue, size, flags); @@ -396,6 +404,17 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name, return error; } +static void +fix_xattr_to_user(const char *kname, void *kvalue, size_t size) +{ + if (strncmp(kname, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN)) + return; + kname += XATTR_SYSTEM_PREFIX_LEN; + if (!strcmp(kname, XATTR_POSIX_ACL_ACCESS) || + !strcmp(kname, XATTR_POSIX_ACL_DEFAULT)) + posix_acl_fix_xattr_to_user(kvalue, size); +} + /* * Extended attribute GET operations */ @@ -426,9 +445,7 @@ getxattr(struct dentry *d, const char __user *name, void __user *value, error = vfs_getxattr(d, kname, kvalue, size); if (error > 0) { - if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) || - (strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0)) - posix_acl_fix_xattr_to_user(kvalue, size); + fix_xattr_to_user(kname, kvalue, size); if (size && copy_to_user(value, kvalue, error)) error = -EFAULT; } else if (error == -ERANGE && size >= XATTR_SIZE_MAX) { -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:56 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 9BE217CDC for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:48:55 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 15DCCAC00A for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:54 -0700 (PDT) X-ASG-Debug-ID: 1467294525-04cbb027363b6350001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 2cGuTwyxlSqit4na (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:46 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9A2B73B70D; Thu, 30 Jun 2016 13:48:45 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsn005273; Thu, 30 Jun 2016 09:48:39 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 12/22] vfs: Add get_richacl and set_richacl inode operations Date: Thu, 30 Jun 2016 15:47:03 +0200 X-ASG-Orig-Subj: [PATCH v23 12/22] vfs: Add get_richacl and set_richacl inode operations Message-Id: <1467294433-3222-13-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 30 Jun 2016 13:48:45 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294526 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1230 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 These operations are similar to the get_acl and set_acl operations for POSIX ACLs. The distinction between access and default ACLs doesn't exist for richacls. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: Steve French <steve.french@primarydata.com> --- include/linux/fs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index 06a30b0..ac96bda 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1726,6 +1726,7 @@ struct inode_operations { const char * (*get_link) (struct dentry *, struct inode *, struct delayed_call *); int (*permission) (struct inode *, int); struct posix_acl * (*get_acl)(struct inode *, int); + struct richacl * (*get_richacl)(struct inode *); int (*readlink) (struct dentry *, char __user *,int); @@ -1756,6 +1757,7 @@ struct inode_operations { umode_t create_mode, int *opened); int (*tmpfile) (struct inode *, struct dentry *, umode_t); int (*set_acl)(struct inode *, struct posix_acl *, int); + int (*set_richacl)(struct inode *, struct richacl *); } ____cacheline_aligned; ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector, -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:48:55 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 544977CD9 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:48:55 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 18B48304039 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:55 -0700 (PDT) X-ASG-Debug-ID: 1467294533-04cb6c063e2c4560001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id aAyNyNDaAjnE3mTh (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:48:53 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 200F2C049D67; Thu, 30 Jun 2016 13:48:53 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDso005273; Thu, 30 Jun 2016 09:48:46 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 13/22] vfs: Cache richacl in struct inode Date: Thu, 30 Jun 2016 15:47:04 +0200 X-ASG-Orig-Subj: [PATCH v23 13/22] vfs: Cache richacl in struct inode Message-Id: <1467294433-3222-14-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 30 Jun 2016 13:48:53 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294533 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5815 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Cache richacls in struct inode so that this doesn't have to be done individually in each filesystem. This is similar to POSIX ACLs. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/inode.c | 13 +++++--- fs/richacl.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++++ include/linux/fs.h | 5 ++- include/linux/richacl.h | 11 +++++++ 4 files changed, 105 insertions(+), 5 deletions(-) diff --git a/fs/inode.c b/fs/inode.c index 40c03a7..7dbb09c 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -181,8 +181,11 @@ int inode_init_always(struct super_block *sb, struct inode *inode) inode->i_private = NULL; inode->i_mapping = mapping; INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ -#ifdef CONFIG_FS_POSIX_ACL - inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; +#if defined(CONFIG_FS_POSIX_ACL) || defined(CONFIG_FS_RICHACL) + inode->i_acl = ACL_NOT_CACHED; +# if defined(CONFIG_FS_POSIX_ACL) + inode->i_default_acl = ACL_NOT_CACHED; +# endif #endif #ifdef CONFIG_FSNOTIFY @@ -238,17 +241,19 @@ void __destroy_inode(struct inode *inode) atomic_long_dec(&inode->i_sb->s_remove_count); } -#ifdef CONFIG_FS_POSIX_ACL +#if defined(CONFIG_FS_POSIX_ACL) || defined(CONFIG_FS_RICHACL) if (inode->i_acl && !is_uncached_acl(inode->i_acl)) base_acl_put(inode->i_acl); +# if defined(CONFIG_FS_POSIX_ACL) if (inode->i_default_acl && !is_uncached_acl(inode->i_default_acl)) base_acl_put(inode->i_default_acl); +# endif #endif this_cpu_dec(nr_inodes); } EXPORT_SYMBOL(__destroy_inode); -#ifdef CONFIG_FS_POSIX_ACL +#if defined(CONFIG_FS_POSIX_ACL) || defined(CONFIG_FS_RICHACL) struct base_acl *__get_cached_acl(struct base_acl **p) { struct base_acl *base_acl; diff --git a/fs/richacl.c b/fs/richacl.c index 8971ead..b2a03c1 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -20,6 +20,87 @@ #include <linux/slab.h> #include <linux/richacl.h> +void set_cached_richacl(struct inode *inode, struct richacl *acl) +{ + struct base_acl *old; + + old = xchg(&inode->i_acl, &richacl_get(acl)->a_base); + if (!is_uncached_acl(old)) + base_acl_put(old); +} +EXPORT_SYMBOL_GPL(set_cached_richacl); + +void forget_cached_richacl(struct inode *inode) +{ + __forget_cached_acl(&inode->i_acl); +} +EXPORT_SYMBOL_GPL(forget_cached_richacl); + +struct richacl *get_richacl(struct inode *inode) +{ + struct base_acl *sentinel, *base_acl; + struct richacl *acl; + + if (!IS_RICHACL(inode)) + return NULL; + + /* + * The sentinel is used to detect when another operation like + * set_cached_richacl() or forget_cached_richacl() races with + * get_richacl(). + * It is guaranteed that is_uncached_acl(sentinel) is true. + */ + + base_acl = __get_cached_acl(&inode->i_acl); + if (!is_uncached_acl(base_acl)) + return richacl(base_acl); + + sentinel = uncached_acl_sentinel(current); + + /* + * If the ACL isn't being read yet, set our sentinel. Otherwise, the + * current value of the ACL will not be ACL_NOT_CACHED and so our own + * sentinel will not be set; another task will update the cache. We + * could wait for that other task to complete its job, but it's easier + * to just call ->get_acl to fetch the ACL ourself. (This is going to + * be an unlikely race.) + */ + if (cmpxchg(&inode->i_acl, ACL_NOT_CACHED, sentinel) != ACL_NOT_CACHED) + /* fall through */ ; + + /* + * Normally, the ACL returned by ->get_richacl will be cached. + * A filesystem can prevent that by calling + * forget_cached_richacl(inode) in ->get_richacl. + * + * If the filesystem doesn't have a ->get_richacl function at all, + * we'll just create the negative cache entry. + */ + if (!inode->i_op->get_richacl) { + set_cached_richacl(inode, NULL); + return NULL; + } + + acl = inode->i_op->get_richacl(inode); + if (IS_ERR(acl)) { + /* + * Remove our sentinel so that we don't block future attempts + * to cache the ACL. + */ + cmpxchg(&inode->i_acl, sentinel, ACL_NOT_CACHED); + return acl; + } + + /* + * Cache the result, but only if our sentinel is still in place. + */ + richacl_get(acl); + if (unlikely(cmpxchg(&inode->i_acl, sentinel, &acl->a_base) != sentinel)) + richacl_put(acl); + return acl; +} +EXPORT_SYMBOL_GPL(get_richacl); + /** * richacl_alloc - allocate a richacl * @count: number of entries diff --git a/include/linux/fs.h b/include/linux/fs.h index ac96bda..4d72a6d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -589,6 +589,7 @@ struct base_acl { }; }; struct posix_acl; +struct richacl; #define ACL_NOT_CACHED ((void *)(-1)) static inline struct base_acl * @@ -619,9 +620,11 @@ struct inode { kgid_t i_gid; unsigned int i_flags; -#if defined(CONFIG_FS_POSIX_ACL) +#if defined(CONFIG_FS_POSIX_ACL) || defined(CONFIG_FS_RICHACL) struct base_acl *i_acl; +# if defined(CONFIG_FS_POSIX_ACL) struct base_acl *i_default_acl; +# endif #endif const struct inode_operations *i_op; diff --git a/include/linux/richacl.h b/include/linux/richacl.h index 35a5bcb..3e05c94 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -70,6 +70,17 @@ richacl_put(struct richacl *acl) base_acl_put(&acl->a_base); } +static inline struct richacl * +richacl(struct base_acl *base_acl) +{ + BUILD_BUG_ON(offsetof(struct richacl, a_base) != 0); + return container_of(base_acl, struct richacl, a_base); +} + +extern void set_cached_richacl(struct inode *, struct richacl *); +extern void forget_cached_richacl(struct inode *); +extern struct richacl *get_richacl(struct inode *); + /** * richace_is_owner - check if @ace is an OWNER@ entry */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:49:02 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 0DDE47CEB for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:49:02 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 9B7D0AC008 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:01 -0700 (PDT) X-ASG-Debug-ID: 1467294540-04bdf074b5238750001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 6Y4XAwpCtmGLtcri (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:00 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4C75660BC; Thu, 30 Jun 2016 13:49:00 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsp005273; Thu, 30 Jun 2016 09:48:53 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 14/22] richacl: Update the file masks in chmod() Date: Thu, 30 Jun 2016 15:47:05 +0200 X-ASG-Orig-Subj: [PATCH v23 14/22] richacl: Update the file masks in chmod() Message-Id: <1467294433-3222-15-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 30 Jun 2016 13:49:00 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294540 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3909 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Doing a chmod() sets the file mode, which includes the file permission bits. When a file has a richacl, the permissions that the richacl grants need to be limited to what the new file permission bits allow. This is done by setting the file masks in the richacl to what the file permission bits map to. The richacl access check algorithm takes the file masks into account, which ensures that the richacl cannot grant too many permissions. It is possible to explicitly add permissions to the file masks which go beyond what the file permission bits can grant (like the RICHACE_WRITE_ACL permission). The POSIX.1 standard calls this an alternate file access control mechanism. A subsequent chmod() would ensure that those permissions are disabled again. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> --- fs/richacl.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++ include/linux/richacl.h | 1 + 2 files changed, 72 insertions(+) diff --git a/fs/richacl.c b/fs/richacl.c index b2a03c1..ba110a6 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -547,3 +547,74 @@ out: return denied ? -EACCES : 0; } EXPORT_SYMBOL_GPL(richacl_permission); + +/** + * __richacl_chmod - update the file masks to reflect the new mode + * @acl: access control list + * @mode: new file permission bits including the file type + * + * Return a copy of @acl where the file masks have been replaced by the file + * masks corresponding to the file permission bits in @mode, or returns @acl + * itself if the file masks are already up to date. Takes over a reference + * to @acl. + */ +static struct richacl * +__richacl_chmod(struct richacl *acl, umode_t mode) +{ + unsigned int x = S_ISDIR(mode) ? 0 : RICHACE_DELETE_CHILD; + unsigned int owner_mask, group_mask, other_mask; + struct richacl *clone; + + owner_mask = richacl_mode_to_mask(mode >> 6) & ~x; + group_mask = richacl_mode_to_mask(mode >> 3) & ~x; + other_mask = richacl_mode_to_mask(mode) & ~x; + + if (acl->a_owner_mask == owner_mask && + acl->a_group_mask == group_mask && + acl->a_other_mask == other_mask && + (acl->a_flags & RICHACL_MASKED) && + (acl->a_flags & RICHACL_WRITE_THROUGH)) + return acl; + + clone = richacl_clone(acl, GFP_KERNEL); + richacl_put(acl); + if (!clone) + return ERR_PTR(-ENOMEM); + + clone->a_flags |= (RICHACL_WRITE_THROUGH | RICHACL_MASKED); + clone->a_owner_mask = owner_mask; + clone->a_group_mask = group_mask; + clone->a_other_mask = other_mask; + + return clone; +} + +/** + * richacl_chmod - filesystem chmod helper + * @inode: inode whose file permission bits to change + * @mode: new file permission bits including the file type + * + * Helper for filesystems to use to perform a chmod on the richacl of an inode. + */ +int +richacl_chmod(struct inode *inode, umode_t mode) +{ + struct richacl *acl; + int retval; + + if (S_ISLNK(mode)) + return -EOPNOTSUPP; + if (!inode->i_op->set_richacl) + return -EOPNOTSUPP; + acl = get_richacl(inode); + if (IS_ERR_OR_NULL(acl)) + return PTR_ERR(acl); + acl = __richacl_chmod(acl, mode); + if (IS_ERR(acl)) + return PTR_ERR(acl); + retval = inode->i_op->set_richacl(inode, acl); + richacl_put(acl); + + return retval; +} +EXPORT_SYMBOL(richacl_chmod); diff --git a/include/linux/richacl.h b/include/linux/richacl.h index 3e05c94..db82fab 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -190,5 +190,6 @@ extern unsigned int richacl_mode_to_mask(umode_t); extern unsigned int richacl_want_to_mask(unsigned int); extern void richacl_compute_max_masks(struct richacl *); extern int richacl_permission(struct inode *, const struct richacl *, int); +extern int richacl_chmod(struct inode *, umode_t); #endif /* __RICHACL_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:49:09 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 0FC807CA4 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:49:09 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id C83298F8064 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:08 -0700 (PDT) X-ASG-Debug-ID: 1467294547-04cbb027373b63a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id 6wPc5Mg4B9aCd1M5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:07 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EB6E7C0467C8; Thu, 30 Jun 2016 13:49:06 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsq005273; Thu, 30 Jun 2016 09:49:00 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 15/22] richacl: Check if an acl is equivalent to a file mode Date: Thu, 30 Jun 2016 15:47:06 +0200 X-ASG-Orig-Subj: [PATCH v23 15/22] richacl: Check if an acl is equivalent to a file mode Message-Id: <1467294433-3222-16-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 30 Jun 2016 13:49:07 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294547 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4352 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 ACLs are considered equivalent to file modes if they only consist of owner@, group@, and everyone@ entries, the owner@ permissions do not depend on whether the owner is a member in the owning group, and no inheritance flags are set. This test is used to avoid storing richacls if the acl can be computed from the file permission bits. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: J. Bruce Fields <bfields@redhat.com> --- fs/richacl.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++++ include/linux/richacl.h | 1 + 2 files changed, 105 insertions(+) diff --git a/fs/richacl.c b/fs/richacl.c index ba110a6..e8a383b 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -618,3 +618,107 @@ richacl_chmod(struct inode *inode, umode_t mode) return retval; } EXPORT_SYMBOL(richacl_chmod); + +/** + * richacl_equiv_mode - compute the mode equivalent of @acl + * + * An acl is considered equivalent to a file mode if it only consists of + * owner@, group@, and everyone@ entries and the owner@ permissions do not + * depend on whether the owner is a member in the owning group. + */ +int +richacl_equiv_mode(const struct richacl *acl, umode_t *mode_p) +{ + umode_t mode = *mode_p; + + /* + * The RICHACE_DELETE_CHILD flag is meaningless for non-directories, so + * we ignore it. + */ + unsigned int x = S_ISDIR(mode) ? 0 : RICHACE_DELETE_CHILD; + struct { + unsigned int allowed; + unsigned int defined; /* allowed or denied */ + } owner = { + .defined = RICHACE_POSIX_ALWAYS_ALLOWED | + RICHACE_POSIX_OWNER_ALLOWED | x, + }, group = { + .defined = RICHACE_POSIX_ALWAYS_ALLOWED | x, + }, everyone = { + .defined = RICHACE_POSIX_ALWAYS_ALLOWED | x, + }; + const struct richace *ace; + + if (acl->a_flags & ~(RICHACL_WRITE_THROUGH | RICHACL_MASKED)) + return -1; + + richacl_for_each_entry(ace, acl) { + if (ace->e_flags & ~RICHACE_SPECIAL_WHO) + return -1; + + if (richace_is_owner(ace) || richace_is_everyone(ace)) { + x = ace->e_mask & ~owner.defined; + if (richace_is_allow(ace)) { + unsigned int group_denied = + group.defined & ~group.allowed; + + if (x & group_denied) + return -1; + owner.allowed |= x; + } else /* if (richace_is_deny(ace)) */ { + if (x & group.allowed) + return -1; + } + owner.defined |= x; + + if (richace_is_everyone(ace)) { + x = ace->e_mask; + if (richace_is_allow(ace)) { + group.allowed |= + x & ~group.defined; + everyone.allowed |= + x & ~everyone.defined; + } + group.defined |= x; + everyone.defined |= x; + } + } else if (richace_is_group(ace)) { + x = ace->e_mask & ~group.defined; + if (richace_is_allow(ace)) + group.allowed |= x; + group.defined |= x; + } else + return -1; + } + + if (group.allowed & ~owner.defined) + return -1; + + if (acl->a_flags & RICHACL_MASKED) { + if (acl->a_flags & RICHACL_WRITE_THROUGH) { + owner.allowed = acl->a_owner_mask; + everyone.allowed = acl->a_other_mask; + } else { + owner.allowed &= acl->a_owner_mask; + everyone.allowed &= acl->a_other_mask; + } + group.allowed &= acl->a_group_mask; + } + + mode = (mode & ~S_IRWXUGO) | + (richacl_mask_to_mode(owner.allowed) << 6) | + (richacl_mask_to_mode(group.allowed) << 3) | + richacl_mask_to_mode(everyone.allowed); + + /* Mask flags we can ignore */ + x = S_ISDIR(mode) ? 0 : RICHACE_DELETE_CHILD; + + if (((richacl_mode_to_mask(mode >> 6) ^ owner.allowed) & ~x) || + ((richacl_mode_to_mask(mode >> 3) ^ group.allowed) & ~x) || + ((richacl_mode_to_mask(mode) ^ everyone.allowed) & ~x)) + return -1; + + *mode_p = mode; + return 0; +} +EXPORT_SYMBOL_GPL(richacl_equiv_mode); diff --git a/include/linux/richacl.h b/include/linux/richacl.h index db82fab..9212edb 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -191,5 +191,6 @@ extern unsigned int richacl_want_to_mask(unsigned int); extern void richacl_compute_max_masks(struct richacl *); extern int richacl_permission(struct inode *, const struct richacl *, int); extern int richacl_chmod(struct inode *, umode_t); +extern int richacl_equiv_mode(const struct richacl *, umode_t *); #endif /* __RICHACL_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:49:16 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 4B62C7CA4 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:49:16 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id D9633AC008 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:15 -0700 (PDT) X-ASG-Debug-ID: 1467294554-04bdf074b62387a0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id geSX7xTzVvzuMCpo (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:14 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DDDA1C05B1E7; Thu, 30 Jun 2016 13:49:13 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsr005273; Thu, 30 Jun 2016 09:49:07 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 16/22] richacl: Create-time inheritance Date: Thu, 30 Jun 2016 15:47:07 +0200 X-ASG-Orig-Subj: [PATCH v23 16/22] richacl: Create-time inheritance Message-Id: <1467294433-3222-17-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 30 Jun 2016 13:49:14 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294554 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5758 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 When a new file is created, it can inherit an acl from its parent directory; this is similar to how default acls work in POSIX ACLs. As with POSIX ACLs, if a file inherits an acl from its parent directory, the intersection between the create mode and the permissions granted by the inherited acl determines the file masks and file permission bits, and the umask is ignored. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/richacl.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++++ include/linux/richacl.h | 2 + 2 files changed, 153 insertions(+) diff --git a/fs/richacl.c b/fs/richacl.c index e8a383b..29eaf89 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -722,3 +722,154 @@ richacl_equiv_mode(const struct richacl *acl, umode_t *mode_p) return 0; } EXPORT_SYMBOL_GPL(richacl_equiv_mode); + +static inline bool +ace_inherits_to_directory(const struct richace *ace) +{ + if (ace->e_flags & RICHACE_DIRECTORY_INHERIT_ACE) + return true; + if ((ace->e_flags & RICHACE_FILE_INHERIT_ACE) && + !(ace->e_flags & RICHACE_NO_PROPAGATE_INHERIT_ACE)) + return true; + return false; +} + +/** + * richacl_inherit - compute the inherited acl of a new file + * @dir_acl: acl of the containing directory + * @isdir: inherit by a directory or non-directory? + * + * A directory can have acl entries which files and/or directories created + * inside the directory will inherit. This function computes the acl for such + * a new file. If there is no inheritable acl, it will return %NULL. + */ +struct richacl * +richacl_inherit(const struct richacl *dir_acl, int isdir) +{ + const struct richace *dir_ace; + struct richacl *acl = NULL; + struct richace *ace; + int count = 0; + + if (isdir) { + richacl_for_each_entry(dir_ace, dir_acl) { + if (!ace_inherits_to_directory(dir_ace)) + continue; + count++; + } + if (!count) + return NULL; + acl = richacl_alloc(count, GFP_KERNEL); + if (!acl) + return ERR_PTR(-ENOMEM); + ace = acl->a_entries; + richacl_for_each_entry(dir_ace, dir_acl) { + if (!ace_inherits_to_directory(dir_ace)) + continue; + richace_copy(ace, dir_ace); + if (dir_ace->e_flags & RICHACE_NO_PROPAGATE_INHERIT_ACE) + ace->e_flags &= ~RICHACE_INHERITANCE_FLAGS; + else if (dir_ace->e_flags & RICHACE_DIRECTORY_INHERIT_ACE) + ace->e_flags &= ~RICHACE_INHERIT_ONLY_ACE; + else + ace->e_flags |= RICHACE_INHERIT_ONLY_ACE; + ace++; + } + } else { + richacl_for_each_entry(dir_ace, dir_acl) { + if (!(dir_ace->e_flags & RICHACE_FILE_INHERIT_ACE)) + continue; + count++; + } + if (!count) + return NULL; + acl = richacl_alloc(count, GFP_KERNEL); + if (!acl) + return ERR_PTR(-ENOMEM); + ace = acl->a_entries; + richacl_for_each_entry(dir_ace, dir_acl) { + if (!(dir_ace->e_flags & RICHACE_FILE_INHERIT_ACE)) + continue; + richace_copy(ace, dir_ace); + ace->e_flags &= ~RICHACE_INHERITANCE_FLAGS; + /* + * RICHACE_DELETE_CHILD is meaningless for + * non-directories, so clear it. + */ + ace->e_mask &= ~RICHACE_DELETE_CHILD; + ace++; + } + } + + return acl; +} + +/* + * richacl_inherit_inode - compute inherited acl and file mode + * @dir_acl: acl of the containing directory + * @mode_p: mode of the new inode + * + * The file permission bits in @mode_p must be set to the create mode by the + * caller. + * + * If there is an inheritable acl, the maximum permissions that the acl grants + * are computed and the file masks of the new acl are set accordingly. + */ +static struct richacl * +richacl_inherit_inode(const struct richacl *dir_acl, umode_t *mode_p) +{ + struct richacl *acl; + umode_t mode = *mode_p; + + acl = richacl_inherit(dir_acl, S_ISDIR(mode)); + if (acl) { + if (richacl_equiv_mode(acl, &mode) == 0) { + *mode_p &= mode; + richacl_put(acl); + acl = NULL; + } else { + richacl_compute_max_masks(acl); + /* + * Ensure that the acl will not grant any permissions + * beyond the create mode. + */ + acl->a_flags |= RICHACL_MASKED; + acl->a_owner_mask &= + richacl_mode_to_mask(mode >> 6); + acl->a_group_mask &= + richacl_mode_to_mask(mode >> 3); + acl->a_other_mask &= + richacl_mode_to_mask(mode); + } + } else + *mode_p &= ~current_umask(); + + return acl; +} + +/** + * richacl_create - filesystem create helper + * @mode_p: mode of the new inode + * @dir: containing directory + * + * Compute the inherited acl for a new inode. If there is no acl to inherit, + * apply the umask. Use when creating a new inode on a richacl enabled file + * system. + */ +struct richacl *richacl_create(umode_t *mode_p, struct inode *dir) +{ + struct richacl *dir_acl, *acl = NULL; + + if (S_ISLNK(*mode_p)) + return NULL; + dir_acl = get_richacl(dir); + if (dir_acl) { + if (IS_ERR(dir_acl)) + return dir_acl; + acl = richacl_inherit_inode(dir_acl, mode_p); + richacl_put(dir_acl); + } else + *mode_p &= ~current_umask(); + return acl; +} +EXPORT_SYMBOL_GPL(richacl_create); diff --git a/include/linux/richacl.h b/include/linux/richacl.h index 9212edb..7aca1a3 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -192,5 +192,7 @@ extern void richacl_compute_max_masks(struct richacl *); extern int richacl_permission(struct inode *, const struct richacl *, int); extern int richacl_chmod(struct inode *, umode_t); extern int richacl_equiv_mode(const struct richacl *, umode_t *); +extern struct richacl *richacl_inherit(const struct richacl *, int); +extern struct richacl *richacl_create(umode_t *, struct inode *); #endif /* __RICHACL_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:49:23 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 13AF07CF6 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:49:23 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id DA724304039 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:22 -0700 (PDT) X-ASG-Debug-ID: 1467294561-04cbb027353b63e0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id EgFcOdCQOceOI0AB (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:21 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D414E552FE; Thu, 30 Jun 2016 13:49:20 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDss005273; Thu, 30 Jun 2016 09:49:14 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 17/22] richacl: Automatic Inheritance Date: Thu, 30 Jun 2016 15:47:08 +0200 X-ASG-Orig-Subj: [PATCH v23 17/22] richacl: Automatic Inheritance Message-Id: <1467294433-3222-18-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 30 Jun 2016 13:49:21 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294561 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6227 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Automatic Inheritance (AI) allows changes to the acl of a directory to propagate down to children. This is mostly implemented in user space: when a process changes the permissions of a directory and Automatic Inheritance is enabled for that directory, the process must propagate those changes to all children, recursively. The kernel enables this by keeping track of which permissions have been inherited at create time. In addition, it makes sure that permission propagation is turned off when the permissions are set explicitly (for example, upon create or chmod). Automatic Inheritance works as follows: - When the RICHACL_AUTO_INHERIT flag in the acl of a file or directory is not set, the file or directory is not affected by AI. - When the RICHACL_AUTO_INHERIT flag in the acl of a directory is set and a file or subdirectory is created in that directory, the inherited acl will have the RICHACL_AUTO_INHERIT flag set, and all inherited aces will have the RICHACE_INHERITED_ACE flag set. This allows user space to distinguish between aces which have been inherited and aces which have been explicitly added. - When the RICHACL_PROTECTED acl flag in the acl of a file or directory is set, AI will not modify the acl. This does not affect propagation of permissions from the file to its children (if the file is a directory). Linux does not have a way of creating files or directories without setting the file permission bits, so all files created inside a directory with RICHACL_AUTO_INHERIT set will have the RICHACL_PROTECTED flag set. This effectively disables Automatic Inheritance. Protocols which support creating files without specifying permissions can explicitly clear the RICHACL_PROTECTED flag after creating a file and reset the file masks to "undo" applying the create mode; see richacl_compute_max_masks(). They should set the RICHACL_DEFAULTED flag. (A mechanism that would allow to indicate to the kernel to ignore the create mode in the first place when there are inherited permissions would be nice to have.) Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/richacl.c | 20 +++++++++++++++++++- include/linux/richacl.h | 12 ++++++++++++ include/uapi/linux/richacl.h | 11 ++++++++++- 3 files changed, 41 insertions(+), 2 deletions(-) diff --git a/fs/richacl.c b/fs/richacl.c index 29eaf89..40e4af9 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -573,7 +573,8 @@ __richacl_chmod(struct richacl *acl, umode_t mode) acl->a_group_mask == group_mask && acl->a_other_mask == other_mask && (acl->a_flags & RICHACL_MASKED) && - (acl->a_flags & RICHACL_WRITE_THROUGH)) + (acl->a_flags & RICHACL_WRITE_THROUGH) && + (!richacl_is_auto_inherit(acl) || richacl_is_protected(acl))) return acl; clone = richacl_clone(acl, GFP_KERNEL); @@ -585,6 +586,8 @@ __richacl_chmod(struct richacl *acl, umode_t mode) clone->a_owner_mask = owner_mask; clone->a_group_mask = group_mask; clone->a_other_mask = other_mask; + if (richacl_is_auto_inherit(clone)) + clone->a_flags |= RICHACL_PROTECTED; return clone; } @@ -800,6 +803,14 @@ richacl_inherit(const struct richacl *dir_acl, int isdir) ace++; } } + if (richacl_is_auto_inherit(dir_acl)) { + acl->a_flags = RICHACL_AUTO_INHERIT; + richacl_for_each_entry(ace, acl) + ace->e_flags |= RICHACE_INHERITED_ACE; + } else { + richacl_for_each_entry(ace, acl) + ace->e_flags &= ~RICHACE_INHERITED_ACE; + } return acl; } @@ -828,6 +839,13 @@ richacl_inherit_inode(const struct richacl *dir_acl, umode_t *mode_p) richacl_put(acl); acl = NULL; } else { + /* + * We need to set RICHACL_PROTECTED because we are + * doing an implicit chmod + */ + if (richacl_is_auto_inherit(acl)) + acl->a_flags |= RICHACL_PROTECTED; + richacl_compute_max_masks(acl); /* * Ensure that the acl will not grant any permissions diff --git a/include/linux/richacl.h b/include/linux/richacl.h index 7aca1a3..a442372 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -81,6 +81,18 @@ extern void set_cached_richacl(struct inode *, struct richacl *); extern void forget_cached_richacl(struct inode *); extern struct richacl *get_richacl(struct inode *); +static inline int +richacl_is_auto_inherit(const struct richacl *acl) +{ + return acl->a_flags & RICHACL_AUTO_INHERIT; +} + +static inline int +richacl_is_protected(const struct richacl *acl) +{ + return acl->a_flags & RICHACL_PROTECTED; +} + /** * richace_is_owner - check if @ace is an OWNER@ entry */ diff --git a/include/uapi/linux/richacl.h b/include/uapi/linux/richacl.h index 1ed48ac..8849a53 100644 --- a/include/uapi/linux/richacl.h +++ b/include/uapi/linux/richacl.h @@ -18,6 +18,9 @@ #define __UAPI_RICHACL_H /* a_flags values */ +#define RICHACL_AUTO_INHERIT 0x01 +#define RICHACL_PROTECTED 0x02 +#define RICHACL_DEFAULTED 0x04 #define RICHACL_WRITE_THROUGH 0x40 #define RICHACL_MASKED 0x80 @@ -31,6 +34,7 @@ #define RICHACE_NO_PROPAGATE_INHERIT_ACE 0x0004 #define RICHACE_INHERIT_ONLY_ACE 0x0008 #define RICHACE_IDENTIFIER_GROUP 0x0040 +#define RICHACE_INHERITED_ACE 0x0080 #define RICHACE_SPECIAL_WHO 0x4000 /* e_mask bitflags */ @@ -60,6 +64,9 @@ #define RICHACE_EVERYONE_SPECIAL_ID 2 #define RICHACL_VALID_FLAGS ( \ + RICHACL_AUTO_INHERIT | \ + RICHACL_PROTECTED | \ + RICHACL_DEFAULTED | \ RICHACL_WRITE_THROUGH | \ RICHACL_MASKED ) @@ -69,13 +76,15 @@ RICHACE_NO_PROPAGATE_INHERIT_ACE | \ RICHACE_INHERIT_ONLY_ACE | \ RICHACE_IDENTIFIER_GROUP | \ + RICHACE_INHERITED_ACE | \ RICHACE_SPECIAL_WHO ) #define RICHACE_INHERITANCE_FLAGS ( \ RICHACE_FILE_INHERIT_ACE | \ RICHACE_DIRECTORY_INHERIT_ACE | \ RICHACE_NO_PROPAGATE_INHERIT_ACE | \ - RICHACE_INHERIT_ONLY_ACE ) + RICHACE_INHERIT_ONLY_ACE | \ + RICHACE_INHERITED_ACE ) /* Valid RICHACE_* flags for directories and non-directories */ #define RICHACE_VALID_MASK ( \ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:49:30 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 679557CF6 for <xfs@oss.sgi.com>; 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Thu, 30 Jun 2016 09:49:21 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 18/22] richacl: xattr mapping functions Date: Thu, 30 Jun 2016 15:47:09 +0200 X-ASG-Orig-Subj: [PATCH v23 18/22] richacl: xattr mapping functions Message-Id: <1467294433-3222-19-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 30 Jun 2016 13:49:27 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294568 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9922 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Map between "system.richacl" xattrs and the in-kernel representation. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/Makefile | 2 +- fs/richacl_xattr.c | 161 +++++++++++++++++++++++++++++++++++++ include/linux/richacl_xattr.h | 29 +++++++ include/uapi/linux/Kbuild | 1 + include/uapi/linux/richacl_xattr.h | 44 ++++++++++ include/uapi/linux/xattr.h | 2 + 6 files changed, 238 insertions(+), 1 deletion(-) create mode 100644 fs/richacl_xattr.c create mode 100644 include/linux/richacl_xattr.h create mode 100644 include/uapi/linux/richacl_xattr.h diff --git a/fs/Makefile b/fs/Makefile index 2b3e6f1..262fd67 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -49,7 +49,7 @@ obj-$(CONFIG_COREDUMP) += coredump.o obj-$(CONFIG_SYSCTL) += drop_caches.o obj-$(CONFIG_FHANDLE) += fhandle.o -obj-$(CONFIG_FS_RICHACL) += richacl.o +obj-$(CONFIG_FS_RICHACL) += richacl.o richacl_xattr.o obj-y += quota/ diff --git a/fs/richacl_xattr.c b/fs/richacl_xattr.c new file mode 100644 index 0000000..dc1ad36 --- /dev/null +++ b/fs/richacl_xattr.c @@ -0,0 +1,161 @@ +/* + * Copyright (C) 2006, 2010 Novell, Inc. + * Copyright (C) 2015 Red Hat, Inc. + * Written by Andreas Gruenbacher <agruenba@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/sched.h> +#include <linux/fs.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/richacl_xattr.h> + +/** + * richacl_from_xattr - convert a richacl xattr into the in-memory representation + */ +struct richacl * +richacl_from_xattr(struct user_namespace *user_ns, + const void *value, size_t size, int invalid_error) +{ + const struct richacl_xattr *xattr_acl = value; + const struct richace_xattr *xattr_ace = (void *)(xattr_acl + 1); + struct richacl *acl; + struct richace *ace; + int count; + + if (size < sizeof(*xattr_acl) || + xattr_acl->a_version != RICHACL_XATTR_VERSION || + (xattr_acl->a_flags & ~RICHACL_VALID_FLAGS)) + goto invalid; + size -= sizeof(*xattr_acl); + count = le16_to_cpu(xattr_acl->a_count); + if (count > RICHACL_XATTR_MAX_COUNT) + goto invalid; + if (size != count * sizeof(*xattr_ace)) + goto invalid; + + acl = richacl_alloc(count, GFP_NOFS); + if (!acl) + return ERR_PTR(-ENOMEM); + + acl->a_flags = xattr_acl->a_flags; + acl->a_owner_mask = le32_to_cpu(xattr_acl->a_owner_mask); + if (acl->a_owner_mask & ~RICHACE_VALID_MASK) + goto put_invalid; + acl->a_group_mask = le32_to_cpu(xattr_acl->a_group_mask); + if (acl->a_group_mask & ~RICHACE_VALID_MASK) + goto put_invalid; + acl->a_other_mask = le32_to_cpu(xattr_acl->a_other_mask); + if (acl->a_other_mask & ~RICHACE_VALID_MASK) + goto put_invalid; + + richacl_for_each_entry(ace, acl) { + ace->e_type = le16_to_cpu(xattr_ace->e_type); + ace->e_flags = le16_to_cpu(xattr_ace->e_flags); + ace->e_mask = le32_to_cpu(xattr_ace->e_mask); + + if (ace->e_flags & ~RICHACE_VALID_FLAGS) + goto put_invalid; + if (ace->e_flags & RICHACE_SPECIAL_WHO) { + ace->e_id.special = le32_to_cpu(xattr_ace->e_id); + if (ace->e_id.special > RICHACE_EVERYONE_SPECIAL_ID) + goto put_invalid; + } else if (ace->e_flags & RICHACE_IDENTIFIER_GROUP) { + u32 id = le32_to_cpu(xattr_ace->e_id); + + ace->e_id.gid = make_kgid(user_ns, id); + if (!gid_valid(ace->e_id.gid)) + goto put_invalid; + } else { + u32 id = le32_to_cpu(xattr_ace->e_id); + + ace->e_id.uid = make_kuid(user_ns, id); + if (!uid_valid(ace->e_id.uid)) + goto put_invalid; + } + if (ace->e_type > RICHACE_ACCESS_DENIED_ACE_TYPE || + (ace->e_mask & ~RICHACE_VALID_MASK)) + goto put_invalid; + + xattr_ace++; + } + + return acl; + +put_invalid: + richacl_put(acl); +invalid: + return ERR_PTR(invalid_error); +} +EXPORT_SYMBOL_GPL(richacl_from_xattr); + +/** + * richacl_xattr_size - compute the size of the xattr representation of @acl + */ +size_t +richacl_xattr_size(const struct richacl *acl) +{ + size_t size = sizeof(struct richacl_xattr); + + size += sizeof(struct richace_xattr) * acl->a_count; + return size; +} +EXPORT_SYMBOL_GPL(richacl_xattr_size); + +/** + * richacl_to_xattr - convert @acl into its xattr representation + * @acl: the richacl to convert + * @buffer: buffer for the result + * @size: size of @buffer + */ +int +richacl_to_xattr(struct user_namespace *user_ns, + const struct richacl *acl, void *buffer, size_t size) +{ + struct richacl_xattr *xattr_acl = buffer; + struct richace_xattr *xattr_ace; + const struct richace *ace; + size_t real_size; + + real_size = richacl_xattr_size(acl); + if (!buffer) + return real_size; + if (real_size > size) + return -ERANGE; + + xattr_acl->a_version = RICHACL_XATTR_VERSION; + xattr_acl->a_flags = acl->a_flags; + xattr_acl->a_count = cpu_to_le16(acl->a_count); + + xattr_acl->a_owner_mask = cpu_to_le32(acl->a_owner_mask); + xattr_acl->a_group_mask = cpu_to_le32(acl->a_group_mask); + xattr_acl->a_other_mask = cpu_to_le32(acl->a_other_mask); + + xattr_ace = (void *)(xattr_acl + 1); + richacl_for_each_entry(ace, acl) { + xattr_ace->e_type = cpu_to_le16(ace->e_type); + xattr_ace->e_flags = cpu_to_le16(ace->e_flags); + xattr_ace->e_mask = cpu_to_le32(ace->e_mask); + if (ace->e_flags & RICHACE_SPECIAL_WHO) + xattr_ace->e_id = cpu_to_le32(ace->e_id.special); + else if (ace->e_flags & RICHACE_IDENTIFIER_GROUP) + xattr_ace->e_id = + cpu_to_le32(from_kgid(user_ns, ace->e_id.gid)); + else + xattr_ace->e_id = + cpu_to_le32(from_kuid(user_ns, ace->e_id.uid)); + xattr_ace++; + } + return real_size; +} +EXPORT_SYMBOL_GPL(richacl_to_xattr); diff --git a/include/linux/richacl_xattr.h b/include/linux/richacl_xattr.h new file mode 100644 index 0000000..0efa14b --- /dev/null +++ b/include/linux/richacl_xattr.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2006, 2010 Novell, Inc. + * Copyright (C) 2015 Red Hat, Inc. + * Written by Andreas Gruenbacher <agruenba@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __RICHACL_XATTR_H +#define __RICHACL_XATTR_H + +#include <uapi/linux/richacl_xattr.h> +#include <linux/richacl.h> + +extern struct richacl *richacl_from_xattr(struct user_namespace *, const void *, + size_t, int); +extern size_t richacl_xattr_size(const struct richacl *); +extern int richacl_to_xattr(struct user_namespace *, const struct richacl *, + void *, size_t); + +#endif /* __RICHACL_XATTR_H */ diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index abeaa98..c24e106 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -356,6 +356,7 @@ header-y += reiserfs_fs.h header-y += reiserfs_xattr.h header-y += resource.h header-y += richacl.h +header-y += richacl_xattr.h header-y += rfkill.h header-y += rio_mport_cdev.h header-y += romfs_fs.h diff --git a/include/uapi/linux/richacl_xattr.h b/include/uapi/linux/richacl_xattr.h new file mode 100644 index 0000000..20da204 --- /dev/null +++ b/include/uapi/linux/richacl_xattr.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2006, 2010 Novell, Inc. + * Copyright (C) 2015 Red Hat, Inc. + * Written by Andreas Gruenbacher <agruenba@redhat.com> + * + * This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + */ + +#ifndef __UAPI_RICHACL_XATTR_H +#define __UAPI_RICHACL_XATTR_H + +#include <linux/types.h> +#include <linux/limits.h> + +struct richace_xattr { + __le16 e_type; + __le16 e_flags; + __le32 e_mask; + __le32 e_id; +}; + +struct richacl_xattr { + __u8 a_version; + __u8 a_flags; + __le16 a_count; + __le32 a_owner_mask; + __le32 a_group_mask; + __le32 a_other_mask; +}; + +#define RICHACL_XATTR_VERSION 0 +#define RICHACL_XATTR_MAX_COUNT \ + ((XATTR_SIZE_MAX - sizeof(struct richacl_xattr)) / \ + sizeof(struct richace_xattr)) + +#endif /* __UAPI_RICHACL_XATTR_H */ diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h index 1590c49..1996903 100644 --- a/include/uapi/linux/xattr.h +++ b/include/uapi/linux/xattr.h @@ -73,5 +73,7 @@ #define XATTR_POSIX_ACL_DEFAULT "posix_acl_default" #define XATTR_NAME_POSIX_ACL_DEFAULT XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_DEFAULT +#define XATTR_RICHACL "richacl" +#define XATTR_NAME_RICHACL XATTR_SYSTEM_PREFIX XATTR_RICHACL #endif /* _UAPI_LINUX_XATTR_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:49:37 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 6222E7D01 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:49:37 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2538A8F8054 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:37 -0700 (PDT) X-ASG-Debug-ID: 1467294574-04bdf074b62387f0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id ZxGXe2P54DRsvoBv (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:35 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AB9FBBDEA; Thu, 30 Jun 2016 13:49:34 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsu005273; Thu, 30 Jun 2016 09:49:28 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 19/22] richacl: Add richacl xattr handler Date: Thu, 30 Jun 2016 15:47:10 +0200 X-ASG-Orig-Subj: [PATCH v23 19/22] richacl: Add richacl xattr handler Message-Id: <1467294433-3222-20-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 30 Jun 2016 13:49:34 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294575 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4284 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Add richacl xattr handler implementing the xattr operations based on the get_richacl and set_richacl inode operations. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/richacl.c | 22 ++++++++++++++++ fs/richacl_xattr.c | 61 +++++++++++++++++++++++++++++++++++++++++++ include/linux/richacl.h | 1 + include/linux/richacl_xattr.h | 2 ++ 4 files changed, 86 insertions(+) diff --git a/fs/richacl.c b/fs/richacl.c index 40e4af9..b7d7104 100644 --- a/fs/richacl.c +++ b/fs/richacl.c @@ -549,6 +549,28 @@ out: EXPORT_SYMBOL_GPL(richacl_permission); /** + * set_richacl - set the richacl of an inode + * @inode: inode whose richacl to set + * @acl: access control list + */ +int +set_richacl(struct inode *inode, struct richacl *acl) +{ + if (!IS_RICHACL(inode)) + return -EOPNOTSUPP; + if (!inode->i_op->set_richacl) + return -EOPNOTSUPP; + + if (!uid_eq(current_fsuid(), inode->i_uid) && + inode_permission(inode, MAY_CHMOD) && + !capable(CAP_FOWNER)) + return -EPERM; + + return inode->i_op->set_richacl(inode, acl); +} +EXPORT_SYMBOL(set_richacl); + +/** * __richacl_chmod - update the file masks to reflect the new mode * @acl: access control list * @mode: new file permission bits including the file type diff --git a/fs/richacl_xattr.c b/fs/richacl_xattr.c index dc1ad36..5eb4aba 100644 --- a/fs/richacl_xattr.c +++ b/fs/richacl_xattr.c @@ -18,7 +18,9 @@ #include <linux/fs.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/xattr.h> #include <linux/richacl_xattr.h> +#include <uapi/linux/xattr.h> /** * richacl_from_xattr - convert a richacl xattr into the in-memory representation @@ -159,3 +161,62 @@ richacl_to_xattr(struct user_namespace *user_ns, return real_size; } EXPORT_SYMBOL_GPL(richacl_to_xattr); + +static bool +richacl_xattr_list(struct dentry *dentry) +{ + return IS_RICHACL(d_backing_inode(dentry)); +} + +static int +richacl_xattr_get(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *name, void *buffer, size_t buffer_size) +{ + struct richacl *acl; + int error; + + if (*name) + return -EINVAL; + if (!IS_RICHACL(inode)) + return -EOPNOTSUPP; + if (S_ISLNK(inode->i_mode)) + return -EOPNOTSUPP; + acl = get_richacl(inode); + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl == NULL) + return -ENODATA; + error = richacl_to_xattr(current_user_ns(), acl, buffer, buffer_size); + richacl_put(acl); + return error; +} + +static int +richacl_xattr_set(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *name, const void *value, size_t size, + int flags) +{ + struct richacl *acl = NULL; + int ret; + + if (value) { + acl = richacl_from_xattr(current_user_ns(), value, size, + -EINVAL); + if (IS_ERR(acl)) + return PTR_ERR(acl); + } + + ret = set_richacl(inode, acl); + richacl_put(acl); + return ret; +} + +struct xattr_handler richacl_xattr_handler = { + .name = XATTR_NAME_RICHACL, + .list = richacl_xattr_list, + .get = richacl_xattr_get, + .set = richacl_xattr_set, +}; +EXPORT_SYMBOL(richacl_xattr_handler); diff --git a/include/linux/richacl.h b/include/linux/richacl.h index a442372..e7db066 100644 --- a/include/linux/richacl.h +++ b/include/linux/richacl.h @@ -206,5 +206,6 @@ extern int richacl_chmod(struct inode *, umode_t); extern int richacl_equiv_mode(const struct richacl *, umode_t *); extern struct richacl *richacl_inherit(const struct richacl *, int); extern struct richacl *richacl_create(umode_t *, struct inode *); +extern int set_richacl(struct inode *, struct richacl *); #endif /* __RICHACL_H */ diff --git a/include/linux/richacl_xattr.h b/include/linux/richacl_xattr.h index 0efa14b..6c6adb1 100644 --- a/include/linux/richacl_xattr.h +++ b/include/linux/richacl_xattr.h @@ -26,4 +26,6 @@ extern size_t richacl_xattr_size(const struct richacl *); extern int richacl_to_xattr(struct user_namespace *, const struct richacl *, void *, size_t); +extern struct xattr_handler richacl_xattr_handler; + #endif /* __RICHACL_XATTR_H */ -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:49:45 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5563B7CA1 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:49:45 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 082E18F8054 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:44 -0700 (PDT) X-ASG-Debug-ID: 1467294581-04bdf074b5238800001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id HoCwTulPPaiJEZC2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:42 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9ED7ABBB4D; Thu, 30 Jun 2016 13:49:41 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsv005273; Thu, 30 Jun 2016 09:49:35 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andreas Gruenbacher <agruenba@redhat.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH v23 20/22] vfs: Add richacl permission checking Date: Thu, 30 Jun 2016 15:47:11 +0200 X-ASG-Orig-Subj: [PATCH v23 20/22] vfs: Add richacl permission checking Message-Id: <1467294433-3222-21-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Thu, 30 Jun 2016 13:49:41 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294582 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2617 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 Hook the richacl permission checking function into the vfs. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/namei.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 52 insertions(+), 2 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 7a822d0..48c9958 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -34,6 +34,7 @@ #include <linux/device_cgroup.h> #include <linux/fs_struct.h> #include <linux/posix_acl.h> +#include <linux/richacl.h> #include <linux/hash.h> #include <linux/bitops.h> #include <asm/uaccess.h> @@ -256,7 +257,43 @@ void putname(struct filename *name) __putname(name); } -static int check_acl(struct inode *inode, int mask) +static int check_richacl(struct inode *inode, int mask) +{ +#ifdef CONFIG_FS_RICHACL + if (mask & MAY_NOT_BLOCK) { + struct base_acl *base_acl; + + base_acl = rcu_dereference(inode->i_acl); + if (!base_acl) + goto no_acl; + /* no ->get_richacl() calls in RCU mode... */ + if (is_uncached_acl(base_acl)) + return -ECHILD; + return richacl_permission(inode, richacl(base_acl), + mask & ~MAY_NOT_BLOCK); + } else { + struct richacl *acl; + + acl = get_richacl(inode); + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl) { + int error = richacl_permission(inode, acl, mask); + richacl_put(acl); + return error; + } + } +no_acl: +#endif + if (mask & (MAY_DELETE_SELF | MAY_TAKE_OWNERSHIP | + MAY_CHMOD | MAY_SET_TIMES)) { + /* File permission bits cannot grant this. */ + return -EACCES; + } + return -EAGAIN; +} + +static int check_posix_acl(struct inode *inode, int mask) { #ifdef CONFIG_FS_POSIX_ACL if (mask & MAY_NOT_BLOCK) { @@ -294,11 +331,24 @@ static int acl_permission_check(struct inode *inode, int mask) { unsigned int mode = inode->i_mode; + /* + * With POSIX ACLs, the (mode & S_IRWXU) bits exactly match the owner + * permissions, and we can skip checking posix acls for the owner. + * With richacls, the owner may be granted fewer permissions than the + * mode bits seem to suggest (for example, append but not write), and + * we always need to check the richacl. + */ + + if (IS_RICHACL(inode)) { + int error = check_richacl(inode, mask); + if (error != -EAGAIN) + return error; + } if (likely(uid_eq(current_fsuid(), inode->i_uid))) mode >>= 6; else { if (IS_POSIXACL(inode) && (mode & S_IRWXG)) { - int error = check_acl(inode, mask); + int error = check_posix_acl(inode, mask); if (error != -EAGAIN) return error; } -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:49:53 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 33B437CA1 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:49:53 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 95D0AAC007 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:52 -0700 (PDT) X-ASG-Debug-ID: 1467294589-04cb6c063f2c4770001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id StWXhrXPWoa6KfXP (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 06:49:50 -0700 (PDT) X-Barracuda-Envelope-From: agruenba@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A0C46141C; Thu, 30 Jun 2016 13:49:49 +0000 (UTC) Received: from nux.redhat.com (vpn1-5-124.ams2.redhat.com [10.36.5.124]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UDlDsw005273; Thu, 30 Jun 2016 09:49:42 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org, Andreas Gruenbacher <agruenba@redhat.com> Subject: [PATCH v23 21/22] ext4: Add richacl support Date: Thu, 30 Jun 2016 15:47:12 +0200 X-ASG-Orig-Subj: [PATCH v23 21/22] ext4: Add richacl support Message-Id: <1467294433-3222-22-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Thu, 30 Jun 2016 13:49:49 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294590 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 11569 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> Support the richacl permission model in ext4. The richacls are stored in "system.richacl" xattrs. Richacls need to be enabled by tune2fs or at file system create time. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: Andreas Dilger <adilger@dilger.ca> --- fs/ext4/Kconfig | 11 +++++ fs/ext4/Makefile | 1 + fs/ext4/file.c | 3 ++ fs/ext4/ialloc.c | 11 ++++- fs/ext4/inode.c | 5 +- fs/ext4/namei.c | 5 ++ fs/ext4/richacl.c | 134 ++++++++++++++++++++++++++++++++++++++++++++++++++++ fs/ext4/richacl.h | 40 ++++++++++++++++ fs/ext4/xattr.c | 7 +++ include/linux/acl.h | 15 ++++++ 10 files changed, 228 insertions(+), 4 deletions(-) create mode 100644 fs/ext4/richacl.c create mode 100644 fs/ext4/richacl.h create mode 100644 include/linux/acl.h diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig index b46e9fc..4e21c18 100644 --- a/fs/ext4/Kconfig +++ b/fs/ext4/Kconfig @@ -22,6 +22,17 @@ config EXT3_FS_POSIX_ACL This config option is here only for backward compatibility. ext3 filesystem is now handled by the ext4 driver. +config EXT4_FS_RICHACL + bool "Ext4 Rich Access Control Lists" + depends on EXT4_FS + select FS_RICHACL + help + Richacls are an implementation of NFSv4 ACLs, extended by file masks + to cleanly integrate into the POSIX file permission model. To learn + more about them, see http://www.bestbits.at/richacl/. + + If you don't know what Richacls are, say N. + config EXT3_FS_SECURITY bool "Ext3 Security Labels" depends on EXT3_FS diff --git a/fs/ext4/Makefile b/fs/ext4/Makefile index f52cf54..1fb7f11 100644 --- a/fs/ext4/Makefile +++ b/fs/ext4/Makefile @@ -14,3 +14,4 @@ ext4-$(CONFIG_EXT4_FS_POSIX_ACL) += acl.o ext4-$(CONFIG_EXT4_FS_SECURITY) += xattr_security.o ext4-$(CONFIG_EXT4_FS_ENCRYPTION) += crypto_policy.o crypto.o \ crypto_key.o crypto_fname.o +ext4-$(CONFIG_EXT4_FS_RICHACL) += richacl.o diff --git a/fs/ext4/file.c b/fs/ext4/file.c index df44c87..6e7b4b9 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -30,6 +30,7 @@ #include "ext4_jbd2.h" #include "xattr.h" #include "acl.h" +#include "richacl.h" /* * Called when an inode is released. Note that this is different @@ -717,6 +718,8 @@ const struct inode_operations ext4_file_inode_operations = { .removexattr = generic_removexattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, + .get_richacl = ext4_get_richacl, + .set_richacl = ext4_set_richacl, .fiemap = ext4_fiemap, }; diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 3da4cf8..5bd382a 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -27,6 +27,7 @@ #include "ext4_jbd2.h" #include "xattr.h" #include "acl.h" +#include "richacl.h" #include <trace/events/ext4.h> @@ -729,6 +730,14 @@ out: return ret; } +static inline int +ext4_new_acl(handle_t *handle, struct inode *inode, struct inode *dir) +{ + if (IS_RICHACL(dir)) + return ext4_init_richacl(handle, inode, dir); + return ext4_init_acl(handle, inode, dir); +} + /* * There are two policies for allocating an inode. If the new inode is * a directory, then a forward search is made for a block group with both @@ -1093,7 +1102,7 @@ got: if (err) goto fail_drop; - err = ext4_init_acl(handle, inode, dir); + err = ext4_new_acl(handle, inode, dir); if (err) goto fail_free_drop; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index f7140ca..7b8d96f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -37,10 +37,10 @@ #include <linux/printk.h> #include <linux/slab.h> #include <linux/bitops.h> +#include <linux/acl.h> #include "ext4_jbd2.h" #include "xattr.h" -#include "acl.h" #include "truncate.h" #include <trace/events/ext4.h> @@ -5183,8 +5183,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr) ext4_orphan_del(NULL, inode); if (!rc && (ia_valid & ATTR_MODE)) - rc = posix_acl_chmod(inode, inode->i_mode); - + rc = acl_chmod(inode); err_out: ext4_std_error(inode->i_sb, error); if (!error) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index ec4c399..09e36b7 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -38,6 +38,7 @@ #include "xattr.h" #include "acl.h" +#include "richacl.h" #include <trace/events/ext4.h> /* @@ -3893,6 +3894,8 @@ const struct inode_operations ext4_dir_inode_operations = { .removexattr = generic_removexattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, + .get_richacl = ext4_get_richacl, + .set_richacl = ext4_set_richacl, .fiemap = ext4_fiemap, }; @@ -3904,4 +3907,6 @@ const struct inode_operations ext4_special_inode_operations = { .removexattr = generic_removexattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, + .get_richacl = ext4_get_richacl, + .set_richacl = ext4_set_richacl, }; diff --git a/fs/ext4/richacl.c b/fs/ext4/richacl.c new file mode 100644 index 0000000..0c316ff --- /dev/null +++ b/fs/ext4/richacl.c @@ -0,0 +1,134 @@ +/* + * Copyright IBM Corporation, 2010 + * Copyright (C) 2015 Red Hat, Inc. + * Author: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>, + * Andreas Gruenbacher <agruenba@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + */ + +#include <linux/kernel.h> +#include <linux/fs.h> +#include <linux/richacl_xattr.h> + +#include "ext4.h" +#include "ext4_jbd2.h" +#include "xattr.h" +#include "acl.h" +#include "richacl.h" + +struct richacl * +ext4_get_richacl(struct inode *inode) +{ + const int name_index = EXT4_XATTR_INDEX_RICHACL; + void *value = NULL; + struct richacl *acl = NULL; + int retval; + + retval = ext4_xattr_get(inode, name_index, "", NULL, 0); + if (retval > 0) { + value = kmalloc(retval, GFP_NOFS); + if (!value) + return ERR_PTR(-ENOMEM); + retval = ext4_xattr_get(inode, name_index, "", value, retval); + } + if (retval > 0) + acl = richacl_from_xattr(&init_user_ns, value, retval, -EIO); + else if (retval != -ENODATA && retval != -ENOSYS) + acl = ERR_PTR(retval); + kfree(value); + + return acl; +} + +static int +__ext4_remove_richacl(handle_t *handle, struct inode *inode) +{ + const int name_index = EXT4_XATTR_INDEX_RICHACL; + int retval; + + retval = ext4_xattr_set_handle(handle, inode, name_index, "", + NULL, 0, 0); + if (!retval) + set_cached_richacl(inode, NULL); + return retval; +} + +static int +__ext4_set_richacl(handle_t *handle, struct inode *inode, struct richacl *acl) +{ + const int name_index = EXT4_XATTR_INDEX_RICHACL; + umode_t mode = inode->i_mode; + int retval, size; + void *value; + + if (richacl_equiv_mode(acl, &mode) == 0) { + inode->i_ctime = ext4_current_time(inode); + inode->i_mode = mode; + ext4_mark_inode_dirty(handle, inode); + return __ext4_remove_richacl(handle, inode); + } + + mode &= ~S_IRWXUGO; + mode |= richacl_masks_to_mode(acl); + + size = richacl_xattr_size(acl); + value = kmalloc(size, GFP_NOFS); + if (!value) + return -ENOMEM; + richacl_to_xattr(&init_user_ns, acl, value, size); + inode->i_mode = mode; + retval = ext4_xattr_set_handle(handle, inode, name_index, "", + value, size, 0); + kfree(value); + if (retval) + return retval; + + set_cached_richacl(inode, acl); + + return 0; +} + +int +ext4_set_richacl(struct inode *inode, struct richacl *acl) +{ + handle_t *handle; + int retval, retries = 0; + +retry: + handle = ext4_journal_start(inode, EXT4_HT_XATTR, + ext4_jbd2_credits_xattr(inode)); + if (IS_ERR(handle)) + return PTR_ERR(handle); + + if (acl) + retval = __ext4_set_richacl(handle, inode, acl); + else + retval = __ext4_remove_richacl(handle, inode); + + ext4_journal_stop(handle); + if (retval == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) + goto retry; + return retval; +} + +int +ext4_init_richacl(handle_t *handle, struct inode *inode, struct inode *dir) +{ + struct richacl *acl = richacl_create(&inode->i_mode, dir); + int error; + + error = PTR_ERR(acl); + if (!IS_ERR_OR_NULL(acl)) { + error = __ext4_set_richacl(handle, inode, acl); + richacl_put(acl); + } + return error; +} diff --git a/fs/ext4/richacl.h b/fs/ext4/richacl.h new file mode 100644 index 0000000..6fe9a92 --- /dev/null +++ b/fs/ext4/richacl.h @@ -0,0 +1,40 @@ +/* + * Copyright IBM Corporation, 2010 + * Copyright (C) 2015 Red Hat, Inc. + * Author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + */ + +#ifndef __FS_EXT4_RICHACL_H +#define __FS_EXT4_RICHACL_H + +#include <linux/richacl.h> + +#ifdef CONFIG_EXT4_FS_RICHACL + +extern struct richacl *ext4_get_richacl(struct inode *); +extern int ext4_set_richacl(struct inode *, struct richacl *); + +extern int ext4_init_richacl(handle_t *, struct inode *, struct inode *); + +#else /* CONFIG_EXT4_FS_RICHACL */ + +#define ext4_get_richacl NULL +#define ext4_set_richacl NULL + +static inline int +ext4_init_richacl(handle_t *handle, struct inode *inode, struct inode *dir) +{ + return 0; +} + +#endif /* CONFIG_EXT4_FS_RICHACL */ +#endif /* __FS_EXT4_RICHACL_H */ diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index e79bd32..e5ca483 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -55,6 +55,7 @@ #include <linux/slab.h> #include <linux/mbcache.h> #include <linux/quotaops.h> +#include <linux/richacl_xattr.h> #include "ext4_jbd2.h" #include "ext4.h" #include "xattr.h" @@ -97,6 +98,9 @@ static const struct xattr_handler *ext4_xattr_handler_map[] = { #ifdef CONFIG_EXT4_FS_SECURITY [EXT4_XATTR_INDEX_SECURITY] = &ext4_xattr_security_handler, #endif +#ifdef CONFIG_EXT4_FS_RICHACL + [EXT4_XATTR_INDEX_RICHACL] = &richacl_xattr_handler, +#endif }; const struct xattr_handler *ext4_xattr_handlers[] = { @@ -109,6 +113,9 @@ const struct xattr_handler *ext4_xattr_handlers[] = { #ifdef CONFIG_EXT4_FS_SECURITY &ext4_xattr_security_handler, #endif +#ifdef CONFIG_EXT4_FS_RICHACL + &richacl_xattr_handler, +#endif NULL }; diff --git a/include/linux/acl.h b/include/linux/acl.h new file mode 100644 index 0000000..3c3b5ce --- /dev/null +++ b/include/linux/acl.h @@ -0,0 +1,15 @@ +#ifndef __LINUX_ACL_H +#define __LINUX_ACL_H + +#include <linux/posix_acl.h> +#include <linux/richacl.h> + +static inline int +acl_chmod(struct inode *inode) +{ + if (IS_RICHACL(inode)) + return richacl_chmod(inode, inode->i_mode); + return posix_acl_chmod(inode, inode->i_mode); +} + +#endif -- 2.5.5 From agruenba@redhat.com Thu Jun 30 08:50:00 2016 Return-Path: <agruenba@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 05CF17D12 for <xfs@oss.sgi.com>; 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Thu, 30 Jun 2016 09:49:50 -0400 From: Andreas Gruenbacher <agruenba@redhat.com> To: Alexander Viro <viro@zeniv.linux.org.uk> Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, Christoph Hellwig <hch@infradead.org>, "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org, Andreas Gruenbacher <agruenba@redhat.com> Subject: [PATCH v23 22/22] ext4: Add richacl feature flag Date: Thu, 30 Jun 2016 15:47:13 +0200 X-ASG-Orig-Subj: [PATCH v23 22/22] ext4: Add richacl feature flag Message-Id: <1467294433-3222-23-git-send-email-agruenba@redhat.com> In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 30 Jun 2016 13:49:57 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467294597 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5592 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> This feature flag selects richacl instead of POSIX ACL support on the filesystem. When this feature is off, the "acl" and "noacl" mount options control whether POSIX ACLs are enabled. When it is on, richacls are automatically enabled and using the "noacl" mount option leads to an error. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: Andreas Dilger <adilger@dilger.ca> --- fs/ext4/ext4.h | 6 ++++-- fs/ext4/super.c | 49 ++++++++++++++++++++++++++++++++++++++++--------- 2 files changed, 44 insertions(+), 11 deletions(-) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index b84aa1c..ff48f07 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1126,7 +1126,7 @@ struct ext4_inode_info { #define EXT4_MOUNT_UPDATE_JOURNAL 0x01000 /* Update the journal format */ #define EXT4_MOUNT_NO_UID32 0x02000 /* Disable 32-bit UIDs */ #define EXT4_MOUNT_XATTR_USER 0x04000 /* Extended user attributes */ -#define EXT4_MOUNT_POSIX_ACL 0x08000 /* POSIX Access Control Lists */ +#define EXT4_MOUNT_ACL 0x08000 /* Access Control Lists */ #define EXT4_MOUNT_NO_AUTO_DA_ALLOC 0x10000 /* No auto delalloc mapping */ #define EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */ #define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */ @@ -1707,6 +1707,7 @@ static inline int ext4_encrypted_inode(struct inode *inode) #define EXT4_FEATURE_INCOMPAT_LARGEDIR 0x4000 /* >2GB or 3-lvl htree */ #define EXT4_FEATURE_INCOMPAT_INLINE_DATA 0x8000 /* data in inode */ #define EXT4_FEATURE_INCOMPAT_ENCRYPT 0x10000 +#define EXT4_FEATURE_INCOMPAT_RICHACL 0x20000 #define EXT4_FEATURE_COMPAT_FUNCS(name, flagname) \ static inline bool ext4_has_feature_##name(struct super_block *sb) \ @@ -1821,7 +1822,8 @@ EXT4_FEATURE_INCOMPAT_FUNCS(encrypt, ENCRYPT) EXT4_FEATURE_INCOMPAT_MMP | \ EXT4_FEATURE_INCOMPAT_INLINE_DATA | \ EXT4_FEATURE_INCOMPAT_ENCRYPT | \ - EXT4_FEATURE_INCOMPAT_CSUM_SEED) + EXT4_FEATURE_INCOMPAT_CSUM_SEED | \ + EXT4_FEATURE_INCOMPAT_RICHACL) #define EXT4_FEATURE_RO_COMPAT_SUPP (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \ EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \ EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \ diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 3822a5a..122410f 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1306,6 +1306,28 @@ static ext4_fsblk_t get_sb_block(void **data) return sb_block; } +static int enable_acl(struct super_block *sb) +{ + sb->s_flags &= ~(MS_POSIXACL | MS_RICHACL); + if (test_opt(sb, ACL)) { + if (EXT4_HAS_INCOMPAT_FEATURE(sb, + EXT4_FEATURE_INCOMPAT_RICHACL)) { +#ifdef CONFIG_EXT4_FS_RICHACL + sb->s_flags |= MS_RICHACL; +#else + return -EOPNOTSUPP; +#endif + } else { +#ifdef CONFIG_EXT4_FS_POSIX_ACL + sb->s_flags |= MS_POSIXACL; +#else + return -EOPNOTSUPP; +#endif + } + } + return 0; +} + #define DEFAULT_JOURNAL_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3)) static char deprecated_msg[] = "Mount option \"%s\" will be removed by %s\n" "Contact linux-ext4@vger.kernel.org if you think we should keep it.\n"; @@ -1452,9 +1474,9 @@ static const struct mount_opts { MOPT_NO_EXT2 | MOPT_DATAJ}, {Opt_user_xattr, EXT4_MOUNT_XATTR_USER, MOPT_SET}, {Opt_nouser_xattr, EXT4_MOUNT_XATTR_USER, MOPT_CLEAR}, -#ifdef CONFIG_EXT4_FS_POSIX_ACL - {Opt_acl, EXT4_MOUNT_POSIX_ACL, MOPT_SET}, - {Opt_noacl, EXT4_MOUNT_POSIX_ACL, MOPT_CLEAR}, +#if defined(CONFIG_EXT4_FS_POSIX_ACL) || defined(CONFIG_EXT4_FS_RICHACL) + {Opt_acl, EXT4_MOUNT_ACL, MOPT_SET}, + {Opt_noacl, EXT4_MOUNT_ACL, MOPT_CLEAR}, #else {Opt_acl, 0, MOPT_NOSUPPORT}, {Opt_noacl, 0, MOPT_NOSUPPORT}, @@ -1502,6 +1524,13 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, #endif switch (token) { case Opt_noacl: +#ifdef CONFIG_EXT4_FS_RICHACL + if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RICHACL)) { + ext4_msg(sb, KERN_ERR, "Mount option \"%s\" incompatible " + "with richacl feature", opt); + return -1; + } +#endif case Opt_nouser_xattr: ext4_msg(sb, KERN_WARNING, deprecated_msg, opt, "3.5"); break; @@ -3274,8 +3303,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) set_opt(sb, NO_UID32); /* xattr user namespace & acls are now defaulted on */ set_opt(sb, XATTR_USER); -#ifdef CONFIG_EXT4_FS_POSIX_ACL - set_opt(sb, POSIX_ACL); +#if defined(CONFIG_EXT4_FS_POSIX_ACL) || defined(CONFIG_EXT4_FS_RICHACL) + set_opt(sb, ACL); #endif /* don't forget to enable journal_csum when metadata_csum is enabled. */ if (ext4_has_metadata_csum(sb)) @@ -3358,8 +3387,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sb->s_iflags |= SB_I_CGROUPWB; } - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); + err = enable_acl(sb); + if (err) + goto failed_mount; if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV && (ext4_has_compat_features(sb) || @@ -4673,8 +4703,9 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) ext4_abort(sb, "Abort forced by user"); - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); + err = enable_acl(sb); + if (err) + goto restore_opts; es = sbi->s_es; -- 2.5.5 From Volker.Lendecke@SerNet.DE Thu Jun 30 09:11:47 2016 Return-Path: <Volker.Lendecke@SerNet.DE> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 3213B7CD2 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 09:11:47 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id E7DEF8F8065 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 07:11:43 -0700 (PDT) X-ASG-Debug-ID: 1467295898-04bdf074b42396b0001-NocioJ Received: from mail.SerNet.de (mail.SerNet.de [193.175.80.2]) by cuda.sgi.com with ESMTP id qDsNvomEkCOQyrz5 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 07:11:39 -0700 (PDT) X-Barracuda-Envelope-From: Volker.Lendecke@SerNet.DE X-Barracuda-Effective-Source-IP: mail.SerNet.de[193.175.80.2] X-Barracuda-Apparent-Source-IP: 193.175.80.2 Received: from intern.SerNet.DE by mail.SerNet.DE with esmtps (Exim 4.80 #2) id 1bIcgn-0004Pp-6r; Thu, 30 Jun 2016 16:11:33 +0200 Received: by intern.sernet.de id 1bIcgn-0005mW-2s; Thu, 30 Jun 2016 16:11:33 +0200 Date: Thu, 30 Jun 2016 16:11:28 +0200 From: Volker Lendecke <Volker.Lendecke@SerNet.DE> To: Andreas Gruenbacher <agruenba@redhat.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk>, Christoph Hellwig <hch@infradead.org>, Theodore Ts'o <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, "J. Bruce Fields" <bfields@fieldses.org>, Jeff Layton <jlayton@poochiereds.net>, Trond Myklebust <trond.myklebust@primarydata.com>, Anna Schumaker <anna.schumaker@netapp.com>, Dave Chinner <david@fromorbit.com>, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-api@vger.kernel.org Subject: Re: [PATCH v23 00/22] Richacls (Core and Ext4) Message-ID: <20160630141128.GB17201@sernet.de> X-ASG-Orig-Subj: Re: [PATCH v23 00/22] Richacls (Core and Ext4) Reply-To: Volker.Lendecke@SerNet.DE References: <1467294433-3222-1-git-send-email-agruenba@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1467294433-3222-1-git-send-email-agruenba@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-Barracuda-Connect: mail.SerNet.de[193.175.80.2] X-Barracuda-Start-Time: 1467295899 X-Barracuda-Encrypted: DHE-RSA-AES128-SHA X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 325 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30896 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 30, 2016 at 03:46:51PM +0200, Andreas Gruenbacher wrote: > What more needs to be done to get this initial set of patches merged? Bind Christoph to some tree in the Harz hills, so that he can't reject them? :-) Christoph, is there anything realistic that can be done to get over your concerns? Volker From Martinezant2141@live.com Thu Jun 30 10:35:20 2016 Return-Path: <Martinezant2141@live.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 5A3827CA0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:35:20 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 2B6648F80B5 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:35:20 -0700 (PDT) X-ASG-Debug-ID: 1467300915-04cbb027383bdc50001-NocioJ Received: from COL004-OMC4S6.hotmail.com (col004-omc4s6.hotmail.com [65.55.34.208]) by cuda.sgi.com with ESMTP id 5ljze55H3kTwoClM (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 08:35:16 -0700 (PDT) X-Barracuda-Envelope-From: Martinezant2141@live.com X-Barracuda-Effective-Source-IP: col004-omc4s6.hotmail.com[65.55.34.208] X-Barracuda-Apparent-Source-IP: 65.55.34.208 Received: from NAM03-CO1-obe.outbound.protection.outlook.com ([65.55.34.199]) by COL004-OMC4S6.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Thu, 30 Jun 2016 08:35:15 -0700 Received: from BY2NAM03FT042.eop-NAM03.prod.protection.outlook.com (10.152.84.54) by BY2NAM03HT199.eop-NAM03.prod.protection.outlook.com (10.152.85.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.534.7; Thu, 30 Jun 2016 15:35:14 +0000 Received: from SN1PR05MB2317.namprd05.prod.outlook.com (10.152.84.54) by BY2NAM03FT042.mail.protection.outlook.com (10.152.85.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.534.7 via Frontend Transport; Thu, 30 Jun 2016 15:35:14 +0000 Received: from SN1PR05MB2317.namprd05.prod.outlook.com ([10.169.125.19]) by SN1PR05MB2317.namprd05.prod.outlook.com ([10.169.125.19]) with mapi id 15.01.0523.024; Thu, 30 Jun 2016 15:35:14 +0000 From: Anthony l <Martinezant2141@live.com> To: "xfs@oss.sgi.com" <xfs@oss.sgi.com> Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Thread-Topic: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Thread-Index: AQHR0jAXIVEyd//VeEGYMdUD0l4C3qACJFOX Date: Thu, 30 Jun 2016 15:35:14 +0000 Message-ID: <SN1PR05MB23175D5BF190CCC3F22E2EB0CC240@SN1PR05MB2317.namprd05.prod.outlook.com> References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> In-Reply-To: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=softfail (sender IP is 10.152.84.54) smtp.mailfrom=live.com; oss.sgi.com; dkim=none (message not signed) header.d=none;oss.sgi.com; dmarc=none action=none header.from=live.com; received-spf: SoftFail (protection.outlook.com: domain of transitioning live.com discourages use of 10.152.84.54 as permitted sender) x-tmn: [mr7G/lao3OBuOSPiZY6+Do/v0n/1nmz2] x-eopattributedmessage: 0 x-forefront-antispam-report: CIP:10.152.84.54;IPV:NLI;CTRY:;EFV:NLI;SFV:NSPM;SFS:(10019020)(98900003);DIR:OUT;SFP:1102;SCL:1;SRVR:BY2NAM03HT199;H:SN1PR05MB2317.namprd05.prod.outlook.com;FPR:;SPF:None;LANG:en; x-ms-office365-filtering-correlation-id: 529b41d4-d4b0-47c0-4233-08d3a0fc2181 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(1601124038)(5061506196)(5061507196)(1603103041)(1601125047);SRVR:BY2NAM03HT199; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(432015012)(82015046);SRVR:BY2NAM03HT199;BCL:0;PCL:0;RULEID:;SRVR:BY2NAM03HT199; x-forefront-prvs: 0989A7979C Content-Type: multipart/alternative; boundary="_000_SN1PR05MB23175D5BF190CCC3F22E2EB0CC240SN1PR05MB2317namp_" MIME-Version: 1.0 X-OriginatorOrg: live.com X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Jun 2016 15:35:14.3223 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2NAM03HT199 X-OriginalArrivalTime: 30 Jun 2016 15:35:15.0740 (UTC) FILETIME=[FFDB65C0:01D1D2E4] X-Barracuda-Connect: col004-omc4s6.hotmail.com[65.55.34.208] X-Barracuda-Start-Time: 1467300916 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1557 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.02 X-Barracuda-Spam-Status: No, SCORE=0.02 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=HTML_MESSAGE, THREAD_INDEX, THREAD_TOPIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30898 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... 0.00 HTML_MESSAGE BODY: HTML included in message --_000_SN1PR05MB23175D5BF190CCC3F22E2EB0CC240SN1PR05MB2317namp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks for replying. I made a Paste bin of the output I'm getting. This tim= e I used the -K option which is to force use compatibility with older versi= ons of xfs I think. http://pastebin.com/vrL6iiW2 There is my full output to what I am getting. Not actually getting an error= code I just don't understand why this wouldn't work. Also If I chose skip = instead of restore ill get to some different dumps. But same thing happens = if I choose restore on those too. Thanks for the reply Dave and Eric --_000_SN1PR05MB23175D5BF190CCC3F22E2EB0CC240SN1PR05MB2317namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 1"> <style type=3D"text/css" style=3D"display:none;"></style> </head> <body dir=3D"ltr"> <div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;back= ground-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;"> <p>Thanks for replying. I made a Paste bin of the output I'm getting. This = time I used the -K option which is to force use compatibility with older ve= rsions of xfs I think. <br> </p> <p><a id=3D"LPlnk675788" href=3D"http://pastebin.com/vrL6iiW2" class=3D"OWA= AutoLink">http://pastebin.com/vrL6iiW2</a></p> <p><br> </p> <p><br> </p> <p>There is my full output to what I am getting. Not actually getting an er= ror code I just don't understand why this wouldn't work. Also If I chose sk= ip instead of restore ill get to some different dumps. But same thing happe= ns if I choose restore on those too. <br> </p> <p>Thanks for the reply Dave and Eric <br> <br> </p> </div> </body> </html> --_000_SN1PR05MB23175D5BF190CCC3F22E2EB0CC240SN1PR05MB2317namp_-- From sandeen@sandeen.net Thu Jun 30 11:11:22 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 3C10A7CA4 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 11:11:22 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id C543BAC00A for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 09:11:18 -0700 (PDT) X-ASG-Debug-ID: 1467303075-04bdf074b423f8f0001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id 14oTVH6FuhgLaDq9 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 09:11:15 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 16491142F for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 11:11:15 -0500 (CDT) Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> <SN1PR05MB23175D5BF190CCC3F22E2EB0CC240@SN1PR05MB2317.namprd05.prod.outlook.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <4d9d00ef-82d5-a658-e88c-ba75fb7a6023@sandeen.net> Date: Thu, 30 Jun 2016 11:11:14 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <SN1PR05MB23175D5BF190CCC3F22E2EB0CC240@SN1PR05MB2317.namprd05.prod.outlook.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1467303075 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 729 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30899 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/30/16 10:35 AM, Anthony l wrote: > Thanks for replying. I made a Paste bin of the output I'm getting. > This time I used the -K option which is to force use compatibility > with older versions of xfs I think. > > http://pastebin.com/vrL6iiW2 > > > > There is my full output to what I am getting. Not actually getting an > error code I just don't understand why this wouldn't work. Also If I > chose skip instead of restore ill get to some different dumps. But > same thing happens if I choose restore on those too. You might also look at http://oss.sgi.com/archives/xfs/2005-01/msg00418.html and try another run with maximum verbosity as that user did. Is this a multi-tape dump? -Eric From Martinezant2141@live.com Thu Jun 30 11:59:11 2016 Return-Path: <Martinezant2141@live.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 34E207CA1 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 11:59:11 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 07E738F8084 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 09:59:07 -0700 (PDT) X-ASG-Debug-ID: 1467305944-04cbb027353c2790001-NocioJ Received: from SNT004-OMC4S14.hotmail.com (snt004-omc4s14.hotmail.com [65.55.90.217]) by cuda.sgi.com with ESMTP id IdKtTBfAELXEX06v (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 09:59:04 -0700 (PDT) X-Barracuda-Envelope-From: Martinezant2141@live.com X-Barracuda-Effective-Source-IP: snt004-omc4s14.hotmail.com[65.55.90.217] X-Barracuda-Apparent-Source-IP: 65.55.90.217 Received: from NAM01-BY2-obe.outbound.protection.outlook.com ([65.55.90.201]) by SNT004-OMC4S14.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Thu, 30 Jun 2016 09:59:04 -0700 Received: from BN3NAM01FT035.eop-nam01.prod.protection.outlook.com (10.152.66.54) by BN3NAM01HT035.eop-nam01.prod.protection.outlook.com (10.152.66.235) with Microsoft SMTP Server (TLS) id 15.1.523.9; Thu, 30 Jun 2016 16:59:02 +0000 Received: from SN1PR05MB2317.namprd05.prod.outlook.com (10.152.66.52) by BN3NAM01FT035.mail.protection.outlook.com (10.152.67.159) with Microsoft SMTP Server (TLS) id 15.1.523.9 via Frontend Transport; Thu, 30 Jun 2016 16:59:02 +0000 Received: from SN1PR05MB2317.namprd05.prod.outlook.com ([10.169.125.19]) by SN1PR05MB2317.namprd05.prod.outlook.com ([10.169.125.19]) with mapi id 15.01.0523.024; Thu, 30 Jun 2016 16:59:01 +0000 From: Anthony l <Martinezant2141@live.com> To: Eric Sandeen <sandeen@sandeen.net> CC: "xfs@oss.sgi.com" <xfs@oss.sgi.com> Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Thread-Topic: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Thread-Index: AQHR0uoTpTlXrUi8902XIsNl1Vl39qACM7x6 Date: Thu, 30 Jun 2016 16:59:01 +0000 Message-ID: <SN1PR05MB2317E464B2CFB5A06CC4B66BCC240@SN1PR05MB2317.namprd05.prod.outlook.com> References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> <SN1PR05MB23175D5BF190CCC3F22E2EB0CC240@SN1PR05MB2317.namprd05.prod.outlook.com>,<4d9d00ef-82d5-a658-e88c-ba75fb7a6023@sandeen.net> In-Reply-To: <4d9d00ef-82d5-a658-e88c-ba75fb7a6023@sandeen.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=softfail (sender IP is 25.152.66.52) smtp.mailfrom=live.com; oss.sgi.com; dkim=none (message not signed) header.d=none;oss.sgi.com; dmarc=none action=none header.from=live.com; received-spf: SoftFail (protection.outlook.com: domain of transitioning live.com discourages use of 25.152.66.52 as permitted sender) x-tmn: [o8bwz3vlvTTz8wGa9VPiGcegH/5jkt3y] x-eopattributedmessage: 0 x-forefront-antispam-report: EFV:NLI;SFV:NSPM;SFS:(10019020)(98900003);DIR:OUT;SFP:1102;SCL:1;SRVR:BN3NAM01HT035;H:SN1PR05MB2317.namprd05.prod.outlook.com;FPR:;SPF:None;CAT:NONE;LANG:en;CAT:NONE; x-ms-office365-filtering-correlation-id: 389eeec5-da80-4581-d0f1-08d3a107d62f x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(1601124038)(5061506196)(5061507196)(1603103041)(1601125047);SRVR:BN3NAM01HT035; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(432015012)(82015046);SRVR:BN3NAM01HT035;BCL:0;PCL:0;RULEID:;SRVR:BN3NAM01HT035; x-forefront-prvs: 0989A7979C Content-Type: multipart/alternative; boundary="_000_SN1PR05MB2317E464B2CFB5A06CC4B66BCC240SN1PR05MB2317namp_" MIME-Version: 1.0 X-OriginatorOrg: live.com X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Jun 2016 16:59:01.8211 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3NAM01HT035 X-OriginalArrivalTime: 30 Jun 2016 16:59:04.0583 (UTC) FILETIME=[B547F170:01D1D2F0] X-Barracuda-Connect: snt004-omc4s14.hotmail.com[65.55.90.217] X-Barracuda-Start-Time: 1467305944 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3154 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.02 X-Barracuda-Spam-Status: No, SCORE=0.02 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, HTML_MESSAGE, THREAD_INDEX, THREAD_TOPIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30900 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message --_000_SN1PR05MB2317E464B2CFB5A06CC4B66BCC240SN1PR05MB2317namp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I don't think this is a multi tape dump. But then again i don't know for su= re. I recently got a job and this is my first 'project'. I have about 10 ta= pes each are labeled a month and a year, so I don't think they are multi ta= pe because they span like 3 years 2004-2007 . Although for the current tape= I am working on right now if I select 1 skip, I'll get to another back up = labeled "incremental backup 1" or something similar. Using the verbosity ou= tput here is what I got. (also using interactive restore). I went ahead and= specified byte size 4096. Through earlier test using the dd command I dete= rmined that was the correct size. Ill post one without byte size specified = too. I just saw it in that post and thought it might help. Here is the output with verbosity. http://pastebin.com/Nd6BqNc5 The out is the same with or without -b 4096. http://pastebin.com/0dxbCvyc (no -b) -Anthony <http://oss.sgi.com/mailman/listinfo/xfs> --_000_SN1PR05MB2317E464B2CFB5A06CC4B66BCC240SN1PR05MB2317namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 1"> <style type=3D"text/css" style=3D"display:none;"></style> </head> <body dir=3D"ltr"> <div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;back= ground-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;"> <p><span style=3D"font-size: 8pt;"><span style=3D"font-size: 10pt;"></span>= <span style=3D"font-size: 10pt;">I don't think this is a multi tape dump. B= ut then again i don't know for sure. I recently got a job and this is my fi= rst 'project'. I have about 10 tapes each are labeled a month and a year, so I don't think they are multi tape becau= se they span like 3 years 2004-2007 . Although for the current tape I am wo= rking on right now if I select 1 skip, I'll get to another back up labeled = "incremental backup 1" or something similar. Using the verbosity output here is what I got. (also using intera= ctive restore). I went ahead and specified byte size 4096. Through earlier = test using the dd command I determined that was the correct size. Ill post = one without byte size specified too. I just saw it in that post and thought it might help.<br> </span></span></p> <p><span style=3D"font-size: 8pt;"><span style=3D"font-size: 10pt;"></span>= </span><font size=3D"2"><span style=3D"font-size:10pt;"></span></font>Here = is the output with verbosity. <br> </p> <p><a id=3D"LPlnk552761" href=3D"http://pastebin.com/Nd6BqNc5" class=3D"OWA= AutoLink">http://pastebin.com/Nd6BqNc5</a></p> <p><span style=3D"font-size: 10pt;">The out is the same with or without -b = 4096. <br> </span></p> <p><span style=3D"font-size: 10pt;"></span><a id=3D"LPlnk828460" href=3D"ht= tp://pastebin.com/0dxbCvyc" class=3D"OWAAutoLink">http://pastebin.com/0dxbC= vyc</a> (no -b)</p> <p><br> </p> <p>-Anthony<br> </p> <font size=3D"2"><span style=3D"font-size:10pt;"> <div class=3D"PlainText"><a href=3D"http://oss.sgi.com/mailman/listinfo/xfs= "></a></div> </span></font><font size=3D"2"><span style=3D"font-size:10pt;"> <div class=3D"PlainText"></div> </span></font> <div style=3D"color: rgb(0, 0, 0);"><font size=3D"2"><span style=3D"font-si= ze:10pt;"></span></font></div> </div> </body> </html> --_000_SN1PR05MB2317E464B2CFB5A06CC4B66BCC240SN1PR05MB2317namp_-- From sandeen@sandeen.net Thu Jun 30 12:04:13 2016 Return-Path: <sandeen@sandeen.net> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D2ABC7CA2 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 12:04:13 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 96B653040AA for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:04:10 -0700 (PDT) X-ASG-Debug-ID: 1467306247-04cbb027363c3220001-NocioJ Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id OBX6Pb2O11HJlUD7 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:04:07 -0700 (PDT) X-Barracuda-Envelope-From: sandeen@sandeen.net X-Barracuda-Effective-Source-IP: sandeen.net[63.231.237.45] X-Barracuda-Apparent-Source-IP: 63.231.237.45 Received: from [10.0.0.4] (liberator [10.0.0.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id B8EF5142F for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 12:04:07 -0500 (CDT) Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) To: xfs@oss.sgi.com X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> <SN1PR05MB23175D5BF190CCC3F22E2EB0CC240@SN1PR05MB2317.namprd05.prod.outlook.com> <4d9d00ef-82d5-a658-e88c-ba75fb7a6023@sandeen.net> <SN1PR05MB2317E464B2CFB5A06CC4B66BCC240@SN1PR05MB2317.namprd05.prod.outlook.com> From: Eric Sandeen <sandeen@sandeen.net> Message-ID: <dc20d8ae-d57f-53f1-72b8-d623529c695b@sandeen.net> Date: Thu, 30 Jun 2016 12:04:07 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <SN1PR05MB2317E464B2CFB5A06CC4B66BCC240@SN1PR05MB2317.namprd05.prod.outlook.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Barracuda-Connect: sandeen.net[63.231.237.45] X-Barracuda-Start-Time: 1467306247 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 1599 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30900 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- On 6/30/16 11:59 AM, Anthony l wrote: > I don't think this is a multi tape dump. But then again i don't know for sure. I recently got a job and this is my first 'project'. I have about 10 tapes each are labeled a month and a year, so I don't think they are multi tape because they span like 3 years 2004-2007 . Although for the current tape I am working on right now if I select 1 skip, I'll get to another back up labeled "incremental backup 1" or something similar. Using the verbosity output here is what I got. (also using interactive restore). I went ahead and specified byte size 4096. Through earlier test using the dd command I determined that was the correct size. Ill post one without byte size specified too. I just saw it in that post and thought it might help. > > Here is the output with verbosity. > > http://pastebin.com/Nd6BqNc5 > > The out is the same with or without -b 4096. > > http://pastebin.com/0dxbCvyc (no -b) interactively restore from this dump? 1: skip 2: interactively restore (default) ->2 ++++================++++ missing some stuff------ ^^^ is that your comment, or actual output? Looks like it eventually encountered a short read: xfsrestore: drive op: read: wanted 131072 (0x20000) xfsrestore: tape op: reading 245760 bytes xfsrestore: tape op read of 245760 bytes short: nread == 4096 xfsrestore: tape op: get status xfsrestore: tape status = wprot onl xfsrestore: short read record 1 (nread == 4096) xfsrestore: drive op read returning error rval=1 in dmesg, is there any sort of IO error from the tape? -Eric From hch@lst.de Thu Jun 30 12:22:43 2016 Return-Path: <hch@lst.de> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 741897CA6 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 12:22:43 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 3540730408A for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:22:43 -0700 (PDT) X-ASG-Debug-ID: 1467307359-04cbb027383c50f0001-NocioJ Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by cuda.sgi.com with ESMTP id bA63Pp87D1sGI7P8 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:22:41 -0700 (PDT) X-Barracuda-Envelope-From: hch@lst.de X-Barracuda-Effective-Source-IP: verein.lst.de[213.95.11.211] X-Barracuda-Apparent-Source-IP: 213.95.11.211 Received: by newverein.lst.de (Postfix, from userid 2407) id 2A4C268D8C; Thu, 30 Jun 2016 19:22:39 +0200 (CEST) Date: Thu, 30 Jun 2016 19:22:39 +0200 From: Christoph Hellwig <hch@lst.de> To: Dave Chinner <david@fromorbit.com> Cc: xfs@oss.sgi.com, rpeterso@redhat.com, linux-fsdevel@vger.kernel.org Subject: Re: iomap infrastructure and multipage writes V5 Message-ID: <20160630172239.GA23082@lst.de> X-ASG-Orig-Subj: Re: iomap infrastructure and multipage writes V5 References: <1464792297-13185-1-git-send-email-hch@lst.de> <20160628002649.GI12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160628002649.GI12670@dastard> User-Agent: Mutt/1.5.17 (2007-11-01) X-Barracuda-Connect: verein.lst.de[213.95.11.211] X-Barracuda-Start-Time: 1467307360 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2598 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30901 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Tue, Jun 28, 2016 at 10:26:49AM +1000, Dave Chinner wrote: > Christoph, it look slike there's an ENOSPC+ENOMEM behavioural regression here. > generic/224 on my 1p/1GB RAM VM using a 1k lock size filesystem has > significantly different behaviour once ENOSPC is hit withi this patchset. > > It ends up with an endless stream of errors like this: I've spent some time trying to reproduce this. I'm actually getting the OOM killer almost reproducible for for-next without the iomap patches as well when just using 1GB of mem. 1400 MB is the minimum I can reproducibly finish the test with either code base. But with the 1400 MB setup I see a few interesting things. Even with the baseline, no-iomap case I see a few errors in the log: [ 70.407465] Filesystem "vdc": reserve blocks depleted! Consider increasing reserve pool size. [ 70.195645] XFS (vdc): page discard on page ffff88005682a988, inode 0xd3, offset 761856. [ 70.408079] Buffer I/O error on dev vdc, logical block 1048513, lost async page write [ 70.408598] Buffer I/O error on dev vdc, logical block 1048514, lost async page write 27s With iomap I also see the spew of page discard errors your see, but while I see a lot of them, the rest still finishes after a reasonable time, just a few seconds more than the pre-iomap baseline. I also see the reserve block depleted message in this case. Digging into the reserve block depleted message - it seems we have too many parallel iomap_allocate transactions going on. I suspect this might be because the writeback code will not finish a writeback context if we have multiple blocks inside a page, which can happen easily for this 1k ENOSPC setup. I've not had time to fully check if this is what really happens, but I did a quick hack (see below) to only allocate 1k at a time in iomap_begin, and with that generic/224 finishes without the warning spew. Of course this isn't a real fix, and I need to fully understand what's going on in writeback due to different allocation / dirtying patterns from the iomap change. diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 620fc91..d9afba2 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1018,7 +1018,7 @@ xfs_file_iomap_begin( * Note that the values needs to be less than 32-bits wide until * the lower level functions are updated. */ - length = min_t(loff_t, length, 1024 * PAGE_SIZE); + length = min_t(loff_t, length, 1024); if (xfs_get_extsz_hint(ip)) { /* * xfs_iomap_write_direct() expects the shared lock. It From bfoster@redhat.com Thu Jun 30 12:32:46 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id AE8DB7CA1 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 12:32:46 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 7188D8F8065 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:32:43 -0700 (PDT) X-ASG-Debug-ID: 1467307961-04cbb027373c59f0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id B26BIHGSqiOzYuBO (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:32:42 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 505A03F73C; Thu, 30 Jun 2016 17:32:41 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UHWeNE024038; Thu, 30 Jun 2016 13:32:40 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 70F831200E8; Thu, 30 Jun 2016 13:32:39 -0400 (EDT) Date: Thu, 30 Jun 2016 13:32:39 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Dave Chinner <dchinner@redhat.com>, xfs@oss.sgi.com Subject: Re: [PATCH 023/119] xfs: introduce rmap btree definitions Message-ID: <20160630173238.GA27303@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 023/119] xfs: introduce rmap btree definitions References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612641935.12839.2545862100454514832.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612641935.12839.2545862100454514832.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 30 Jun 2016 17:32:41 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467307961 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 7078 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:20:19PM -0700, Darrick J. Wong wrote: > From: Dave Chinner <dchinner@redhat.com> > > Add new per-ag rmap btree definitions to the per-ag structures. The > rmap btree will sit in the empty slots on disk after the free space > btrees, and hence form a part of the array of space management > btrees. This requires the definition of the btree to be contiguous > with the free space btrees. > > Signed-off-by: Dave Chinner <dchinner@redhat.com> > Signed-off-by: Dave Chinner <david@fromorbit.com> > --- Reviewed-by: Brian Foster <bfoster@redhat.com> > fs/xfs/libxfs/xfs_alloc.c | 6 ++++++ > fs/xfs/libxfs/xfs_btree.c | 4 ++-- > fs/xfs/libxfs/xfs_btree.h | 3 +++ > fs/xfs/libxfs/xfs_format.h | 22 +++++++++++++++++----- > fs/xfs/libxfs/xfs_types.h | 4 ++-- > 5 files changed, 30 insertions(+), 9 deletions(-) > > > diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c > index 56c8690..b61e9c6 100644 > --- a/fs/xfs/libxfs/xfs_alloc.c > +++ b/fs/xfs/libxfs/xfs_alloc.c > @@ -2272,6 +2272,10 @@ xfs_agf_verify( > be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > XFS_BTREE_MAXLEVELS) > return false; > > + if (xfs_sb_version_hasrmapbt(&mp->m_sb) && > + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) > XFS_BTREE_MAXLEVELS) > + return false; > + > /* > * during growfs operations, the perag is not fully initialised, > * so we can't use it for any useful checking. growfs ensures we can't > @@ -2403,6 +2407,8 @@ xfs_alloc_read_agf( > be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNOi]); > pag->pagf_levels[XFS_BTNUM_CNTi] = > be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNTi]); > + pag->pagf_levels[XFS_BTNUM_RMAPi] = > + be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAPi]); > spin_lock_init(&pag->pagb_lock); > pag->pagb_count = 0; > #ifdef __KERNEL__ > diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c > index 5b3743a..624b572 100644 > --- a/fs/xfs/libxfs/xfs_btree.c > +++ b/fs/xfs/libxfs/xfs_btree.c > @@ -44,9 +44,9 @@ kmem_zone_t *xfs_btree_cur_zone; > * Btree magic numbers. > */ > static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { > - { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, > + { XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, 0, XFS_BMAP_MAGIC, XFS_IBT_MAGIC, > XFS_FIBT_MAGIC }, > - { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, > + { XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, XFS_RMAP_CRC_MAGIC, > XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC } > }; > #define xfs_btree_magic(cur) \ > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index 7483cac..202fdd3 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -63,6 +63,7 @@ union xfs_btree_rec { > #define XFS_BTNUM_BMAP ((xfs_btnum_t)XFS_BTNUM_BMAPi) > #define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi) > #define XFS_BTNUM_FINO ((xfs_btnum_t)XFS_BTNUM_FINOi) > +#define XFS_BTNUM_RMAP ((xfs_btnum_t)XFS_BTNUM_RMAPi) > > /* > * For logging record fields. > @@ -95,6 +96,7 @@ do { \ > case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(__mp, bmbt, stat); break; \ > case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ > case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ > + case XFS_BTNUM_RMAP: break; \ > case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ > } \ > } while (0) > @@ -115,6 +117,7 @@ do { \ > __XFS_BTREE_STATS_ADD(__mp, ibt, stat, val); break; \ > case XFS_BTNUM_FINO: \ > __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ > + case XFS_BTNUM_RMAP: break; \ > case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ > } \ > } while (0) > diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h > index ba528b3..8ca4a3d 100644 > --- a/fs/xfs/libxfs/xfs_format.h > +++ b/fs/xfs/libxfs/xfs_format.h > @@ -455,6 +455,7 @@ xfs_sb_has_compat_feature( > } > > #define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */ > +#define XFS_SB_FEAT_RO_COMPAT_RMAPBT (1 << 1) /* reverse map btree */ > #define XFS_SB_FEAT_RO_COMPAT_ALL \ > (XFS_SB_FEAT_RO_COMPAT_FINOBT) > #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL > @@ -538,6 +539,12 @@ static inline bool xfs_sb_version_hasmetauuid(struct xfs_sb *sbp) > (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_META_UUID); > } > > +static inline bool xfs_sb_version_hasrmapbt(struct xfs_sb *sbp) > +{ > + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) && > + (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_RMAPBT); > +} > + > /* > * end of superblock version macros > */ > @@ -598,10 +605,10 @@ xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino) > #define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION) > > /* > - * Btree number 0 is bno, 1 is cnt. This value gives the size of the > + * Btree number 0 is bno, 1 is cnt, 2 is rmap. This value gives the size of the > * arrays below. > */ > -#define XFS_BTNUM_AGF ((int)XFS_BTNUM_CNTi + 1) > +#define XFS_BTNUM_AGF ((int)XFS_BTNUM_RMAPi + 1) > > /* > * The second word of agf_levels in the first a.g. overlaps the EFS > @@ -618,12 +625,10 @@ typedef struct xfs_agf { > __be32 agf_seqno; /* sequence # starting from 0 */ > __be32 agf_length; /* size in blocks of a.g. */ > /* > - * Freespace information > + * Freespace and rmap information > */ > __be32 agf_roots[XFS_BTNUM_AGF]; /* root blocks */ > - __be32 agf_spare0; /* spare field */ > __be32 agf_levels[XFS_BTNUM_AGF]; /* btree levels */ > - __be32 agf_spare1; /* spare field */ > > __be32 agf_flfirst; /* first freelist block's index */ > __be32 agf_fllast; /* last freelist block's index */ > @@ -1307,6 +1312,13 @@ typedef __be32 xfs_inobt_ptr_t; > #define XFS_FIBT_BLOCK(mp) ((xfs_agblock_t)(XFS_IBT_BLOCK(mp) + 1)) > > /* > + * Reverse mapping btree format definitions > + * > + * There is a btree for the reverse map per allocation group > + */ > +#define XFS_RMAP_CRC_MAGIC 0x524d4233 /* 'RMB3' */ > + > +/* > * The first data block of an AG depends on whether the filesystem was formatted > * with the finobt feature. If so, account for the finobt reserved root btree > * block. > diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h > index f0d145a..da87796 100644 > --- a/fs/xfs/libxfs/xfs_types.h > +++ b/fs/xfs/libxfs/xfs_types.h > @@ -111,8 +111,8 @@ typedef enum { > } xfs_lookup_t; > > typedef enum { > - XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi, > - XFS_BTNUM_FINOi, XFS_BTNUM_MAX > + XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_RMAPi, XFS_BTNUM_BMAPi, > + XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_MAX > } xfs_btnum_t; > > struct xfs_name { > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Thu Jun 30 12:32:49 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 81E187CAF for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 12:32:49 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1F12D304048 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:32:49 -0700 (PDT) X-ASG-Debug-ID: 1467307967-04cbb027373c5a00001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id NJejylpbFfEmpZAA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:32:48 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A40D2C05FBB0; Thu, 30 Jun 2016 17:32:47 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UHWlac013492; Thu, 30 Jun 2016 13:32:47 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id E153C1200E8; Thu, 30 Jun 2016 13:32:45 -0400 (EDT) Date: Thu, 30 Jun 2016 13:32:45 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Dave Chinner <dchinner@redhat.com>, xfs@oss.sgi.com Subject: Re: [PATCH 024/119] xfs: add rmap btree stats infrastructure Message-ID: <20160630173245.GB27303@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 024/119] xfs: add rmap btree stats infrastructure References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612642642.12839.4422813555398236765.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612642642.12839.4422813555398236765.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 30 Jun 2016 17:32:47 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467307968 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3414 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:20:26PM -0700, Darrick J. Wong wrote: > From: Dave Chinner <dchinner@redhat.com> > > The rmap btree will require the same stats as all the other generic > btrees, so add al the code for that now. all > > Signed-off-by: Dave Chinner <dchinner@redhat.com> > Signed-off-by: Dave Chinner <david@fromorbit.com> > --- Reviewed-by: Brian Foster <bfoster@redhat.com> > fs/xfs/libxfs/xfs_btree.h | 5 +++-- > fs/xfs/xfs_stats.c | 1 + > fs/xfs/xfs_stats.h | 18 +++++++++++++++++- > 3 files changed, 21 insertions(+), 3 deletions(-) > > > diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h > index 202fdd3..a29067c 100644 > --- a/fs/xfs/libxfs/xfs_btree.h > +++ b/fs/xfs/libxfs/xfs_btree.h > @@ -96,7 +96,7 @@ do { \ > case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(__mp, bmbt, stat); break; \ > case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ > case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ > - case XFS_BTNUM_RMAP: break; \ > + case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \ > case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ > } \ > } while (0) > @@ -117,7 +117,8 @@ do { \ > __XFS_BTREE_STATS_ADD(__mp, ibt, stat, val); break; \ > case XFS_BTNUM_FINO: \ > __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ > - case XFS_BTNUM_RMAP: break; \ > + case XFS_BTNUM_RMAP: \ > + __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \ > case XFS_BTNUM_MAX: ASSERT(0); __mp = __mp /* fucking gcc */ ; break; \ > } \ > } while (0) > diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c > index 8686df6..f04f547 100644 > --- a/fs/xfs/xfs_stats.c > +++ b/fs/xfs/xfs_stats.c > @@ -61,6 +61,7 @@ int xfs_stats_format(struct xfsstats __percpu *stats, char *buf) > { "bmbt2", XFSSTAT_END_BMBT_V2 }, > { "ibt2", XFSSTAT_END_IBT_V2 }, > { "fibt2", XFSSTAT_END_FIBT_V2 }, > + { "rmapbt", XFSSTAT_END_RMAP_V2 }, > /* we print both series of quota information together */ > { "qm", XFSSTAT_END_QM }, > }; > diff --git a/fs/xfs/xfs_stats.h b/fs/xfs/xfs_stats.h > index 483b0ef..657865f 100644 > --- a/fs/xfs/xfs_stats.h > +++ b/fs/xfs/xfs_stats.h > @@ -197,7 +197,23 @@ struct xfsstats { > __uint32_t xs_fibt_2_alloc; > __uint32_t xs_fibt_2_free; > __uint32_t xs_fibt_2_moves; > -#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_FIBT_V2+6) > +#define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2+15) > + __uint32_t xs_rmap_2_lookup; > + __uint32_t xs_rmap_2_compare; > + __uint32_t xs_rmap_2_insrec; > + __uint32_t xs_rmap_2_delrec; > + __uint32_t xs_rmap_2_newroot; > + __uint32_t xs_rmap_2_killroot; > + __uint32_t xs_rmap_2_increment; > + __uint32_t xs_rmap_2_decrement; > + __uint32_t xs_rmap_2_lshift; > + __uint32_t xs_rmap_2_rshift; > + __uint32_t xs_rmap_2_split; > + __uint32_t xs_rmap_2_join; > + __uint32_t xs_rmap_2_alloc; > + __uint32_t xs_rmap_2_free; > + __uint32_t xs_rmap_2_moves; > +#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_RMAP_V2+6) > __uint32_t xs_qm_dqreclaims; > __uint32_t xs_qm_dqreclaim_misses; > __uint32_t xs_qm_dquot_dups; > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From bfoster@redhat.com Thu Jun 30 12:32:54 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 318D57CA1 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 12:32:54 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 02206304067 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:32:53 -0700 (PDT) X-ASG-Debug-ID: 1467307972-04cb6c063c2cc770001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id NlyfFkQdpJCAEh5g (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:32:53 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 544DB3B721; Thu, 30 Jun 2016 17:32:52 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UHWpVO017800; Thu, 30 Jun 2016 13:32:52 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id A28401200E8; Thu, 30 Jun 2016 13:32:50 -0400 (EDT) Date: Thu, 30 Jun 2016 13:32:50 -0400 From: Brian Foster <bfoster@redhat.com> To: "Darrick J. Wong" <darrick.wong@oracle.com> Cc: david@fromorbit.com, linux-fsdevel@vger.kernel.org, vishal.l.verma@intel.com, Dave Chinner <dchinner@redhat.com>, xfs@oss.sgi.com Subject: Re: [PATCH 025/119] xfs: rmap btree add more reserved blocks Message-ID: <20160630173250.GC27303@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH 025/119] xfs: rmap btree add more reserved blocks References: <146612627129.12839.3827886950949809165.stgit@birch.djwong.org> <146612643276.12839.2224272649304333643.stgit@birch.djwong.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <146612643276.12839.2224272649304333643.stgit@birch.djwong.org> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 30 Jun 2016 17:32:52 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467307972 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 5526 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Thu, Jun 16, 2016 at 06:20:32PM -0700, Darrick J. Wong wrote: > From: Dave Chinner <dchinner@redhat.com> > > XFS reserves a small amount of space in each AG for the minimum > number of free blocks needed for operation. Adding the rmap btree > increases the number of reserved blocks, but it also increases the > complexity of the calculation as the free inode btree is optional > (like the rmbt). > > Rather than calculate the prealloc blocks every time we need to > check it, add a function to calculate it at mount time and store it > in the struct xfs_mount, and convert the XFS_PREALLOC_BLOCKS macro > just to use the xfs-mount variable directly. > > Signed-off-by: Dave Chinner <dchinner@redhat.com> > Signed-off-by: Dave Chinner <david@fromorbit.com> > --- Reviewed-by: Brian Foster <bfoster@redhat.com> > fs/xfs/libxfs/xfs_alloc.c | 11 +++++++++++ > fs/xfs/libxfs/xfs_alloc.h | 2 ++ > fs/xfs/libxfs/xfs_format.h | 9 +-------- > fs/xfs/xfs_fsops.c | 6 +++--- > fs/xfs/xfs_mount.c | 2 ++ > fs/xfs/xfs_mount.h | 1 + > 6 files changed, 20 insertions(+), 11 deletions(-) > > > diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c > index b61e9c6..fb00042 100644 > --- a/fs/xfs/libxfs/xfs_alloc.c > +++ b/fs/xfs/libxfs/xfs_alloc.c > @@ -50,6 +50,17 @@ STATIC int xfs_alloc_ag_vextent_size(xfs_alloc_arg_t *); > STATIC int xfs_alloc_ag_vextent_small(xfs_alloc_arg_t *, > xfs_btree_cur_t *, xfs_agblock_t *, xfs_extlen_t *, int *); > > +xfs_extlen_t > +xfs_prealloc_blocks( > + struct xfs_mount *mp) > +{ > + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) > + return XFS_RMAP_BLOCK(mp) + 1; > + if (xfs_sb_version_hasfinobt(&mp->m_sb)) > + return XFS_FIBT_BLOCK(mp) + 1; > + return XFS_IBT_BLOCK(mp) + 1; > +} > + > /* > * Lookup the record equal to [bno, len] in the btree given by cur. > */ > diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h > index cf268b2..20b54aa 100644 > --- a/fs/xfs/libxfs/xfs_alloc.h > +++ b/fs/xfs/libxfs/xfs_alloc.h > @@ -232,4 +232,6 @@ int xfs_alloc_fix_freelist(struct xfs_alloc_arg *args, int flags); > int xfs_free_extent_fix_freelist(struct xfs_trans *tp, xfs_agnumber_t agno, > struct xfs_buf **agbp); > > +xfs_extlen_t xfs_prealloc_blocks(struct xfs_mount *mp); > + > #endif /* __XFS_ALLOC_H__ */ > diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h > index 8ca4a3d..b5b0901 100644 > --- a/fs/xfs/libxfs/xfs_format.h > +++ b/fs/xfs/libxfs/xfs_format.h > @@ -1318,18 +1318,11 @@ typedef __be32 xfs_inobt_ptr_t; > */ > #define XFS_RMAP_CRC_MAGIC 0x524d4233 /* 'RMB3' */ > > -/* > - * The first data block of an AG depends on whether the filesystem was formatted > - * with the finobt feature. If so, account for the finobt reserved root btree > - * block. > - */ > -#define XFS_PREALLOC_BLOCKS(mp) \ > +#define XFS_RMAP_BLOCK(mp) \ > (xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \ > XFS_FIBT_BLOCK(mp) + 1 : \ > XFS_IBT_BLOCK(mp) + 1) > > - > - > /* > * BMAP Btree format definitions > * > diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c > index 064fce1..62162d4 100644 > --- a/fs/xfs/xfs_fsops.c > +++ b/fs/xfs/xfs_fsops.c > @@ -243,7 +243,7 @@ xfs_growfs_data_private( > agf->agf_flfirst = cpu_to_be32(1); > agf->agf_fllast = 0; > agf->agf_flcount = 0; > - tmpsize = agsize - XFS_PREALLOC_BLOCKS(mp); > + tmpsize = agsize - mp->m_ag_prealloc_blocks; > agf->agf_freeblks = cpu_to_be32(tmpsize); > agf->agf_longest = cpu_to_be32(tmpsize); > if (xfs_sb_version_hascrc(&mp->m_sb)) > @@ -340,7 +340,7 @@ xfs_growfs_data_private( > agno, 0); > > arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1); > - arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); > + arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks); > arec->ar_blockcount = cpu_to_be32( > agsize - be32_to_cpu(arec->ar_startblock)); > > @@ -369,7 +369,7 @@ xfs_growfs_data_private( > agno, 0); > > arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1); > - arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); > + arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks); > arec->ar_blockcount = cpu_to_be32( > agsize - be32_to_cpu(arec->ar_startblock)); > nfree += be32_to_cpu(arec->ar_blockcount); > diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c > index bf63682..b4153f0 100644 > --- a/fs/xfs/xfs_mount.c > +++ b/fs/xfs/xfs_mount.c > @@ -231,6 +231,8 @@ xfs_initialize_perag( > > if (maxagi) > *maxagi = index; > + > + mp->m_ag_prealloc_blocks = xfs_prealloc_blocks(mp); > return 0; > > out_unwind: > diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h > index c1b798c..0537b1f 100644 > --- a/fs/xfs/xfs_mount.h > +++ b/fs/xfs/xfs_mount.h > @@ -119,6 +119,7 @@ typedef struct xfs_mount { > uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ > uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ > uint m_in_maxlevels; /* max inobt btree levels. */ > + xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ > struct radix_tree_root m_perag_tree; /* per-ag accounting info */ > spinlock_t m_perag_lock; /* lock for m_perag_tree */ > struct mutex m_growlock; /* growfs mutex */ > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs From Martinezant2141@live.com Thu Jun 30 12:39:53 2016 Return-Path: <Martinezant2141@live.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.3 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,HTML_MESSAGE autolearn=no version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id EB62F7CA1 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 12:39:52 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 62737AC002 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:39:49 -0700 (PDT) X-ASG-Debug-ID: 1467308384-04cbb027363c5d50001-NocioJ Received: from COL004-OMC2S1.hotmail.com (col004-omc2s1.hotmail.com [65.55.34.75]) by cuda.sgi.com with ESMTP id guRWqcpXTvLghVDf (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 10:39:44 -0700 (PDT) X-Barracuda-Envelope-From: Martinezant2141@live.com X-Barracuda-Effective-Source-IP: col004-omc2s1.hotmail.com[65.55.34.75] X-Barracuda-Apparent-Source-IP: 65.55.34.75 Received: from NAM03-DM3-obe.outbound.protection.outlook.com ([65.55.34.71]) by COL004-OMC2S1.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Thu, 30 Jun 2016 10:39:44 -0700 Received: from CO1NAM03FT063.eop-NAM03.prod.protection.outlook.com (10.152.80.60) by CO1NAM03HT059.eop-NAM03.prod.protection.outlook.com (10.152.81.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.534.7; Thu, 30 Jun 2016 17:39:42 +0000 Received: from SN1PR05MB2317.namprd05.prod.outlook.com (10.152.80.51) by CO1NAM03FT063.mail.protection.outlook.com (10.152.81.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.534.7 via Frontend Transport; Thu, 30 Jun 2016 17:39:42 +0000 Received: from SN1PR05MB2317.namprd05.prod.outlook.com ([10.169.125.19]) by SN1PR05MB2317.namprd05.prod.outlook.com ([10.169.125.19]) with mapi id 15.01.0523.024; Thu, 30 Jun 2016 17:39:41 +0000 From: Anthony l <Martinezant2141@live.com> To: Eric Sandeen <sandeen@sandeen.net> CC: "xfs@oss.sgi.com" <xfs@oss.sgi.com> Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Thread-Topic: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Thread-Index: AQHR0uoTpTlXrUi8902XIsNl1Vl39qACM7x6gAAJQoCAAAKw3Q== Date: Thu, 30 Jun 2016 17:39:41 +0000 Message-ID: <SN1PR05MB231770F5231AF4B51CD9DCF3CC240@SN1PR05MB2317.namprd05.prod.outlook.com> References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> <SN1PR05MB23175D5BF190CCC3F22E2EB0CC240@SN1PR05MB2317.namprd05.prod.outlook.com> <4d9d00ef-82d5-a658-e88c-ba75fb7a6023@sandeen.net> <SN1PR05MB2317E464B2CFB5A06CC4B66BCC240@SN1PR05MB2317.namprd05.prod.outlook.com>,<dc20d8ae-d57f-53f1-72b8-d623529c695b@sandeen.net> In-Reply-To: <dc20d8ae-d57f-53f1-72b8-d623529c695b@sandeen.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=softfail (sender IP is 10.152.80.51) smtp.mailfrom=live.com; oss.sgi.com; dkim=none (message not signed) header.d=none;oss.sgi.com; dmarc=none action=none header.from=live.com; received-spf: SoftFail (protection.outlook.com: domain of transitioning live.com discourages use of 10.152.80.51 as permitted sender) x-tmn: [B56eHt/xG6c2zqEkwXejss0tyR5e1GnK] x-eopattributedmessage: 0 x-forefront-antispam-report: CIP:10.152.80.51;IPV:NLI;CTRY:;EFV:NLI;SFV:NSPM;SFS:(10019020)(98900003);DIR:OUT;SFP:1102;SCL:1;SRVR:CO1NAM03HT059;H:SN1PR05MB2317.namprd05.prod.outlook.com;FPR:;SPF:None;LANG:en; x-ms-office365-filtering-correlation-id: 1da2be22-7c0c-4b11-f480-08d3a10d848c x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(1601124038)(5061506196)(5061507196)(1603103041)(1601125047);SRVR:CO1NAM03HT059; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(432015012)(82015046);SRVR:CO1NAM03HT059;BCL:0;PCL:0;RULEID:;SRVR:CO1NAM03HT059; x-forefront-prvs: 0989A7979C Content-Type: multipart/alternative; boundary="_000_SN1PR05MB231770F5231AF4B51CD9DCF3CC240SN1PR05MB2317namp_" MIME-Version: 1.0 X-OriginatorOrg: live.com X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Jun 2016 17:39:41.8627 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1NAM03HT059 X-OriginalArrivalTime: 30 Jun 2016 17:39:44.0095 (UTC) FILETIME=[6357EEF0:01D1D2F6] X-Barracuda-Connect: col004-omc2s1.hotmail.com[65.55.34.75] X-Barracuda-Start-Time: 1467308384 X-Barracuda-Encrypted: ECDHE-RSA-AES256-SHA384 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 23592 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.02 X-Barracuda-Spam-Status: No, SCORE=0.02 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, HTML_MESSAGE, THREAD_INDEX, THREAD_TOPIC X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30901 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 THREAD_INDEX thread-index: AcO7Y8iR61tzADqsRmmc5wNiFHEOig== 0.01 THREAD_TOPIC Thread-Topic: ...(Japanese Subject)... 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header 0.00 HTML_MESSAGE BODY: HTML included in message --_000_SN1PR05MB231770F5231AF4B51CD9DCF3CC240SN1PR05MB2317namp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I put that, but I suppose if I am trouble shooting thats not the best idea.= That was all I was able to see. I just ran the command and moved all the o= ut put to a file here is a complete paste of the entire verbosity out. http://pastebin.com/UW9zRAZ0 (full verbosity out) Nothing looks like its producing an error which is why I am so confused. and cat/var/log/dmesg | grep -i st0 (tape connector) $ cat /var/log/dmesg | grep -i st0 [ 1.036623] scsi host0: ata_piix [ 16.613496] st 6:0:0:0: Attached scsi tape st0 [ 16.613500] st 6:0:0:0: st0: try direct i/o: yes (alignment 4 B) $ cat /var/log/dmesg | grep -i scsi [ 0.429954] SCSI subsystem initialized [ 0.827902] Block layer SCSI generic (bsg) driver version 0.4 loaded (ma= jor 249) [ 1.036623] scsi host0: ata_piix [ 1.036699] scsi host1: ata_piix [ 1.192299] scsi host2: ata_piix [ 1.192390] scsi host3: ata_piix [ 1.193129] scsi host4: ata_generic [ 1.193216] scsi host5: ata_generic [ 1.864429] scsi 0:0:0:0: Direct-Access ATA SAMSUNG HE160HJ 0-= 24 PQ: 0 ANSI: 5 [ 1.864648] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 1.867113] scsi 1:0:1:0: CD-ROM PLDS DVD+-RW DH-16A6S YD= 12 PQ: 0 ANSI: 5 [ 1.882378] sr 1:0:1:0: [sr0] scsi3-mmc drive: 48x/12x writer dvd-ram cd= /rw xa/form2 cdda tray [ 1.882516] sr 1:0:1:0: Attached scsi CD-ROM sr0 [ 1.882574] sr 1:0:1:0: Attached scsi generic sg1 type 5 [ 1.898525] sd 0:0:0:0: [sda] Attached SCSI disk [ 7.328020] scsi host6: Adaptec AIC79XX PCI-X SCSI HBA DRIVER, Rev 3.0 [ 7.328020] <Adaptec 29320LP Ultra320 SCSI adapter> [ 7.328020] aic7901A: Ultra320 Wide Channel A, SCSI Id=3D5, PCI = 33 or 66MHz, 512 SCBs [ 7.329000] scsi target6:0:0: asynchronous [ 7.330396] scsi 6:0:0:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.330404] scsi target6:0:0: Beginning Domain Validation [ 7.334243] scsi target6:0:0: wide asynchronous [ 7.337044] scsi target6:0:0: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.349735] scsi target6:0:0: Ending Domain Validation [ 7.352917] scsi target6:0:1: asynchronous [ 7.354313] scsi 6:0:1:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.354319] scsi target6:0:1: Beginning Domain Validation [ 7.358061] scsi target6:0:1: wide asynchronous [ 7.361002] scsi target6:0:1: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.373736] scsi target6:0:1: Ending Domain Validation [ 7.376870] scsi target6:0:2: asynchronous [ 7.378273] scsi 6:0:2:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.378279] scsi target6:0:2: Beginning Domain Validation [ 7.381828] scsi target6:0:2: wide asynchronous [ 7.384690] scsi target6:0:2: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.397361] scsi target6:0:2: Ending Domain Validation [ 7.400499] scsi target6:0:3: asynchronous [ 7.401901] scsi 6:0:3:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.401907] scsi target6:0:3: Beginning Domain Validation [ 7.405763] scsi target6:0:3: wide asynchronous [ 7.408555] scsi target6:0:3: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.421233] scsi target6:0:3: Ending Domain Validation [ 7.424407] scsi target6:0:4: asynchronous [ 7.425819] scsi 6:0:4:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.425825] scsi target6:0:4: Beginning Domain Validation [ 7.429636] scsi target6:0:4: wide asynchronous [ 7.432427] scsi target6:0:4: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.445294] scsi target6:0:4: Ending Domain Validation [ 7.448422] scsi target6:0:6: asynchronous [ 7.449838] scsi 6:0:6:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.449845] scsi target6:0:6: Beginning Domain Validation [ 7.453663] scsi target6:0:6: wide asynchronous [ 7.456487] scsi target6:0:6: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.469217] scsi target6:0:6: Ending Domain Validation [ 7.472339] scsi target6:0:7: asynchronous [ 7.473800] scsi 6:0:7:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.473807] scsi target6:0:7: Beginning Domain Validation [ 7.477631] scsi target6:0:7: wide asynchronous [ 7.480481] scsi target6:0:7: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.493222] scsi target6:0:7: Ending Domain Validation [ 7.496351] scsi target6:0:8: asynchronous [ 7.497771] scsi 6:0:8:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.497778] scsi target6:0:8: Beginning Domain Validation [ 7.501488] scsi target6:0:8: wide asynchronous [ 7.504429] scsi target6:0:8: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.517155] scsi target6:0:8: Ending Domain Validation [ 7.520280] scsi target6:0:9: asynchronous [ 7.521668] scsi 6:0:9:0: Sequential-Access QUANTUM SDLT600 2B= 2B PQ: 0 ANSI: 4 [ 7.521675] scsi target6:0:9: Beginning Domain Validation [ 7.525473] scsi target6:0:9: wide asynchronous [ 7.528407] scsi target6:0:9: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, = offset 120) [ 7.541143] scsi target6:0:9: Ending Domain Validation [ 7.544314] scsi target6:0:10: asynchronous [ 7.545727] scsi 6:0:10:0: Sequential-Access QUANTUM SDLT600 2= B2B PQ: 0 ANSI: 4 [ 7.545735] scsi target6:0:10: Beginning Domain Validation [ 7.549442] scsi target6:0:10: wide asynchronous [ 7.552280] scsi target6:0:10: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns,= offset 120) [ 7.564984] scsi target6:0:10: Ending Domain Validation [ 7.568067] scsi target6:0:11: asynchronous [ 7.569451] scsi 6:0:11:0: Sequential-Access QUANTUM SDLT600 2= B2B PQ: 0 ANSI: 4 [ 7.569459] scsi target6:0:11: Beginning Domain Validation [ 7.573197] scsi target6:0:11: wide asynchronous [ 7.576047] scsi target6:0:11: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns,= offset 120) [ 7.588771] scsi target6:0:11: Ending Domain Validation [ 7.591894] scsi target6:0:12: asynchronous [ 7.593326] scsi 6:0:12:0: Sequential-Access QUANTUM SDLT600 2= B2B PQ: 0 ANSI: 4 [ 7.593334] scsi target6:0:12: Beginning Domain Validation [ 7.597156] scsi target6:0:12: wide asynchronous [ 7.599974] scsi target6:0:12: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns,= offset 120) [ 7.612720] scsi target6:0:12: Ending Domain Validation [ 7.615848] scsi target6:0:13: asynchronous [ 7.617212] scsi 6:0:13:0: Sequential-Access QUANTUM SDLT600 2= B2B PQ: 0 ANSI: 4 [ 7.617220] scsi target6:0:13: Beginning Domain Validation [ 7.620943] scsi target6:0:13: wide asynchronous [ 7.623937] scsi target6:0:13: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns,= offset 120) [ 7.636720] scsi target6:0:13: Ending Domain Validation [ 7.639849] scsi target6:0:14: asynchronous [ 7.641217] scsi 6:0:14:0: Sequential-Access QUANTUM SDLT600 2= B2B PQ: 0 ANSI: 4 [ 7.641225] scsi target6:0:14: Beginning Domain Validation [ 7.644860] scsi target6:0:14: wide asynchronous [ 7.647710] scsi target6:0:14: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns,= offset 120) [ 7.660427] scsi target6:0:14: Ending Domain Validation [ 7.663613] scsi target6:0:15: asynchronous [ 7.665008] scsi 6:0:15:0: Sequential-Access QUANTUM SDLT600 2= B2B PQ: 0 ANSI: 4 [ 7.665016] scsi target6:0:15: Beginning Domain Validation [ 7.668828] scsi target6:0:15: wide asynchronous [ 7.671621] scsi target6:0:15: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns,= offset 120) [ 7.684311] scsi target6:0:15: Ending Domain Validation [ 7.686630] scsi 6:0:0:0: Attached scsi generic sg2 type 1 [ 7.686795] scsi 6:0:1:0: Attached scsi generic sg3 type 1 [ 7.686956] scsi 6:0:2:0: Attached scsi generic sg4 type 1 [ 7.687115] scsi 6:0:3:0: Attached scsi generic sg5 type 1 [ 7.687276] scsi 6:0:4:0: Attached scsi generic sg6 type 1 [ 7.687437] scsi 6:0:6:0: Attached scsi generic sg7 type 1 [ 7.687598] scsi 6:0:7:0: Attached scsi generic sg8 type 1 [ 7.687761] scsi 6:0:8:0: Attached scsi generic sg9 type 1 [ 7.687924] scsi 6:0:9:0: Attached scsi generic sg10 type 1 [ 7.688089] scsi 6:0:10:0: Attached scsi generic sg11 type 1 [ 7.688249] scsi 6:0:11:0: Attached scsi generic sg12 type 1 [ 7.688409] scsi 6:0:12:0: Attached scsi generic sg13 type 1 [ 7.688569] scsi 6:0:13:0: Attached scsi generic sg14 type 1 [ 7.688731] scsi 6:0:14:0: Attached scsi generic sg15 type 1 [ 7.688893] scsi 6:0:15:0: Attached scsi generic sg16 type 1 [ 16.613496] st 6:0:0:0: Attached scsi tape st0 [ 16.617070] st 6:0:1:0: Attached scsi tape st1 [ 16.638012] st 6:0:2:0: Attached scsi tape st2 [ 16.638789] st 6:0:3:0: Attached scsi tape st3 [ 16.639266] st 6:0:4:0: Attached scsi tape st4 [ 16.639837] st 6:0:6:0: Attached scsi tape st5 [ 16.640425] st 6:0:7:0: Attached scsi tape st6 [ 16.640905] st 6:0:8:0: Attached scsi tape st7 [ 16.641381] st 6:0:9:0: Attached scsi tape st8 [ 16.641998] st 6:0:10:0: Attached scsi tape st9 [ 16.642563] st 6:0:11:0: Attached scsi tape st10 [ 16.643069] st 6:0:12:0: Attached scsi tape st11 [ 16.643545] st 6:0:13:0: Attached scsi tape st12 [ 16.644117] st 6:0:14:0: Attached scsi tape st13 [ 16.644597] st 6:0:15:0: Attached scsi tape st14 <http://oss.sgi.com/mailman/listinfo/xfs> --_000_SN1PR05MB231770F5231AF4B51CD9DCF3CC240SN1PR05MB2317namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 1"> <style type=3D"text/css" style=3D"display:none;"></style> </head> <body dir=3D"ltr"> <div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;back= ground-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;"> <font size=3D"2"><span style=3D"font-size:10pt;">I put that, but I suppose = if I am trouble shooting thats not the best idea. That was all I was able t= o see. I just ran the command and moved all the out put to a file here is a= complete paste of the entire verbosity out. <br> <a disabled=3D"true" tabindex=3D"-1" title=3D"Ctrl+Click or tap to foll= ow the link" id=3D"LPlnk580685" href=3D"http://pastebin.com/UW9zRAZ0" class= =3D"OWAAutoLink">http://pastebin.com/UW9zRAZ0</a>    (full v= erbosity out)<br> Nothing looks like its producing an error which is why I am so confused. <b= r> <br> and cat/var/log/dmesg | grep -i st0 (tape connector) <br> <div>$ cat /var/log/dmesg | grep -i st0<br> [    1.036623] scsi host0: ata_piix<br> [   16.613496] st 6:0:0:0: Attached scsi tape st0<br> [   16.613500] st 6:0:0:0: st0: try direct i/o: yes (alignment 4 = B)<br> </div> <br> <br> <br> <div>$ cat /var/log/dmesg | grep -i scsi<br> [    0.429954] SCSI subsystem initialized<br> [    0.827902] Block layer SCSI generic (bsg) driver version= 0.4 loaded (major 249)<br> [    1.036623] scsi host0: ata_piix<br> [    1.036699] scsi host1: ata_piix<br> [    1.192299] scsi host2: ata_piix<br> [    1.192390] scsi host3: ata_piix<br> [    1.193129] scsi host4: ata_generic<br> [    1.193216] scsi host5: ata_generic<br> [    1.864429] scsi 0:0:0:0: Direct-Access   = ATA      SAMSUNG HE160HJ 0-24 PQ: 0 A= NSI: 5<br> [    1.864648] sd 0:0:0:0: Attached scsi generic sg0 type 0<= br> [    1.867113] scsi 1:0:1:0: CD-ROM    &= nbsp;       PLDS     DVD&= #43;-RW DH-16A6S YD12 PQ: 0 ANSI: 5<br> [    1.882378] sr 1:0:1:0: [sr0] scsi3-mmc drive: 48x/12x wr= iter dvd-ram cd/rw xa/form2 cdda tray<br> [    1.882516] sr 1:0:1:0: Attached scsi CD-ROM sr0<br> [    1.882574] sr 1:0:1:0: Attached scsi generic sg1 type 5<= br> [    1.898525] sd 0:0:0:0: [sda] Attached SCSI disk<br> [    7.328020] scsi host6: Adaptec AIC79XX PCI-X SCSI HBA DR= IVER, Rev 3.0<br> [    7.328020]       &nbs= p; <Adaptec 29320LP Ultra320 SCSI adapter><br> [    7.328020]       &nbs= p; aic7901A: Ultra320 Wide Channel A, SCSI Id=3D5, PCI 33 or 66MHz, 512 SCB= s<br> [    7.329000] scsi target6:0:0: asynchronous<br> [    7.330396] scsi 6:0:0:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.330404] scsi target6:0:0: Beginning Domain Validation= <br> [    7.334243] scsi target6:0:0: wide asynchronous<br> [    7.337044] scsi target6:0:0: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.349735] scsi target6:0:0: Ending Domain Validation<br= > [    7.352917] scsi target6:0:1: asynchronous<br> [    7.354313] scsi 6:0:1:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.354319] scsi target6:0:1: Beginning Domain Validation= <br> [    7.358061] scsi target6:0:1: wide asynchronous<br> [    7.361002] scsi target6:0:1: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.373736] scsi target6:0:1: Ending Domain Validation<br= > [    7.376870] scsi target6:0:2: asynchronous<br> [    7.378273] scsi 6:0:2:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.378279] scsi target6:0:2: Beginning Domain Validation= <br> [    7.381828] scsi target6:0:2: wide asynchronous<br> [    7.384690] scsi target6:0:2: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.397361] scsi target6:0:2: Ending Domain Validation<br= > [    7.400499] scsi target6:0:3: asynchronous<br> [    7.401901] scsi 6:0:3:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.401907] scsi target6:0:3: Beginning Domain Validation= <br> [    7.405763] scsi target6:0:3: wide asynchronous<br> [    7.408555] scsi target6:0:3: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.421233] scsi target6:0:3: Ending Domain Validation<br= > [    7.424407] scsi target6:0:4: asynchronous<br> [    7.425819] scsi 6:0:4:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.425825] scsi target6:0:4: Beginning Domain Validation= <br> [    7.429636] scsi target6:0:4: wide asynchronous<br> [    7.432427] scsi target6:0:4: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.445294] scsi target6:0:4: Ending Domain Validation<br= > [    7.448422] scsi target6:0:6: asynchronous<br> [    7.449838] scsi 6:0:6:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.449845] scsi target6:0:6: Beginning Domain Validation= <br> [    7.453663] scsi target6:0:6: wide asynchronous<br> [    7.456487] scsi target6:0:6: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.469217] scsi target6:0:6: Ending Domain Validation<br= > [    7.472339] scsi target6:0:7: asynchronous<br> [    7.473800] scsi 6:0:7:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.473807] scsi target6:0:7: Beginning Domain Validation= <br> [    7.477631] scsi target6:0:7: wide asynchronous<br> [    7.480481] scsi target6:0:7: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.493222] scsi target6:0:7: Ending Domain Validation<br= > [    7.496351] scsi target6:0:8: asynchronous<br> [    7.497771] scsi 6:0:8:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.497778] scsi target6:0:8: Beginning Domain Validation= <br> [    7.501488] scsi target6:0:8: wide asynchronous<br> [    7.504429] scsi target6:0:8: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.517155] scsi target6:0:8: Ending Domain Validation<br= > [    7.520280] scsi target6:0:9: asynchronous<br> [    7.521668] scsi 6:0:9:0: Sequential-Access QUANTUM = SDLT600          2B2B PQ: 0 A= NSI: 4<br> [    7.521675] scsi target6:0:9: Beginning Domain Validation= <br> [    7.525473] scsi target6:0:9: wide asynchronous<br> [    7.528407] scsi target6:0:9: FAST-80 WIDE SCSI 160.0 MB/= s DT (12.5 ns, offset 120)<br> [    7.541143] scsi target6:0:9: Ending Domain Validation<br= > [    7.544314] scsi target6:0:10: asynchronous<br> [    7.545727] scsi 6:0:10:0: Sequential-Access QUANTUM = ; SDLT600          2B2B PQ: 0 = ANSI: 4<br> [    7.545735] scsi target6:0:10: Beginning Domain Validatio= n<br> [    7.549442] scsi target6:0:10: wide asynchronous<br> [    7.552280] scsi target6:0:10: FAST-80 WIDE SCSI 160.0 MB= /s DT (12.5 ns, offset 120)<br> [    7.564984] scsi target6:0:10: Ending Domain Validation<b= r> [    7.568067] scsi target6:0:11: asynchronous<br> [    7.569451] scsi 6:0:11:0: Sequential-Access QUANTUM = ; SDLT600          2B2B PQ: 0 = ANSI: 4<br> [    7.569459] scsi target6:0:11: Beginning Domain Validatio= n<br> [    7.573197] scsi target6:0:11: wide asynchronous<br> [    7.576047] scsi target6:0:11: FAST-80 WIDE SCSI 160.0 MB= /s DT (12.5 ns, offset 120)<br> [    7.588771] scsi target6:0:11: Ending Domain Validation<b= r> [    7.591894] scsi target6:0:12: asynchronous<br> [    7.593326] scsi 6:0:12:0: Sequential-Access QUANTUM = ; SDLT600          2B2B PQ: 0 = ANSI: 4<br> [    7.593334] scsi target6:0:12: Beginning Domain Validatio= n<br> [    7.597156] scsi target6:0:12: wide asynchronous<br> [    7.599974] scsi target6:0:12: FAST-80 WIDE SCSI 160.0 MB= /s DT (12.5 ns, offset 120)<br> [    7.612720] scsi target6:0:12: Ending Domain Validation<b= r> [    7.615848] scsi target6:0:13: asynchronous<br> [    7.617212] scsi 6:0:13:0: Sequential-Access QUANTUM = ; SDLT600          2B2B PQ: 0 = ANSI: 4<br> [    7.617220] scsi target6:0:13: Beginning Domain Validatio= n<br> [    7.620943] scsi target6:0:13: wide asynchronous<br> [    7.623937] scsi target6:0:13: FAST-80 WIDE SCSI 160.0 MB= /s DT (12.5 ns, offset 120)<br> [    7.636720] scsi target6:0:13: Ending Domain Validation<b= r> [    7.639849] scsi target6:0:14: asynchronous<br> [    7.641217] scsi 6:0:14:0: Sequential-Access QUANTUM = ; SDLT600          2B2B PQ: 0 = ANSI: 4<br> [    7.641225] scsi target6:0:14: Beginning Domain Validatio= n<br> [    7.644860] scsi target6:0:14: wide asynchronous<br> [    7.647710] scsi target6:0:14: FAST-80 WIDE SCSI 160.0 MB= /s DT (12.5 ns, offset 120)<br> [    7.660427] scsi target6:0:14: Ending Domain Validation<b= r> [    7.663613] scsi target6:0:15: asynchronous<br> [    7.665008] scsi 6:0:15:0: Sequential-Access QUANTUM = ; SDLT600          2B2B PQ: 0 = ANSI: 4<br> [    7.665016] scsi target6:0:15: Beginning Domain Validatio= n<br> [    7.668828] scsi target6:0:15: wide asynchronous<br> [    7.671621] scsi target6:0:15: FAST-80 WIDE SCSI 160.0 MB= /s DT (12.5 ns, offset 120)<br> [    7.684311] scsi target6:0:15: Ending Domain Validation<b= r> [    7.686630] scsi 6:0:0:0: Attached scsi generic sg2 type = 1<br> [    7.686795] scsi 6:0:1:0: Attached scsi generic sg3 type = 1<br> [    7.686956] scsi 6:0:2:0: Attached scsi generic sg4 type = 1<br> [    7.687115] scsi 6:0:3:0: Attached scsi generic sg5 type = 1<br> [    7.687276] scsi 6:0:4:0: Attached scsi generic sg6 type = 1<br> [    7.687437] scsi 6:0:6:0: Attached scsi generic sg7 type = 1<br> [    7.687598] scsi 6:0:7:0: Attached scsi generic sg8 type = 1<br> [    7.687761] scsi 6:0:8:0: Attached scsi generic sg9 type = 1<br> [    7.687924] scsi 6:0:9:0: Attached scsi generic sg10 type= 1<br> [    7.688089] scsi 6:0:10:0: Attached scsi generic sg11 typ= e 1<br> [    7.688249] scsi 6:0:11:0: Attached scsi generic sg12 typ= e 1<br> [    7.688409] scsi 6:0:12:0: Attached scsi generic sg13 typ= e 1<br> [    7.688569] scsi 6:0:13:0: Attached scsi generic sg14 typ= e 1<br> [    7.688731] scsi 6:0:14:0: Attached scsi generic sg15 typ= e 1<br> [    7.688893] scsi 6:0:15:0: Attached scsi generic sg16 typ= e 1<br> [   16.613496] st 6:0:0:0: Attached scsi tape st0<br> [   16.617070] st 6:0:1:0: Attached scsi tape st1<br> [   16.638012] st 6:0:2:0: Attached scsi tape st2<br> [   16.638789] st 6:0:3:0: Attached scsi tape st3<br> [   16.639266] st 6:0:4:0: Attached scsi tape st4<br> [   16.639837] st 6:0:6:0: Attached scsi tape st5<br> [   16.640425] st 6:0:7:0: Attached scsi tape st6<br> [   16.640905] st 6:0:8:0: Attached scsi tape st7<br> [   16.641381] st 6:0:9:0: Attached scsi tape st8<br> [   16.641998] st 6:0:10:0: Attached scsi tape st9<br> [   16.642563] st 6:0:11:0: Attached scsi tape st10<br> [   16.643069] st 6:0:12:0: Attached scsi tape st11<br> [   16.643545] st 6:0:13:0: Attached scsi tape st12<br> [   16.644117] st 6:0:14:0: Attached scsi tape st13<br> [   16.644597] st 6:0:15:0: Attached scsi tape st14<br> </div> <br> </span></font> <div style=3D"color: rgb(0, 0, 0);"><font size=3D"2"><span style=3D"font-si= ze:10pt;"> <div class=3D"PlainText"><a disabled=3D"true" tabindex=3D"-1" href=3D"http:= //oss.sgi.com/mailman/listinfo/xfs"></a><br> </div> </span></font></div> </div> </body> </html> --_000_SN1PR05MB231770F5231AF4B51CD9DCF3CC240SN1PR05MB2317namp_-- From david@fromorbit.com Thu Jun 30 17:08:12 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 2A97B7CA0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 17:08:12 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 8613AAC002 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 15:08:08 -0700 (PDT) X-ASG-Debug-ID: 1467324485-04cbb027373dacd0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id FCXAYWUCh0lWZwwA for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 15:08:05 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2AtHgDDl3VXIHvHLHlbgz5WdwaCdqFwAQEBAQEBBoppgWCKER6FcwQCAoE7TQEBAQEBAQcBAQEBAQFAQEEOAYN9AQEEJxMcIxAIAxgJJQ8FJQMHGhOILwrEHwELJR6FQoUVhAmGEgWZC4YIiC+BdE6HNoU8h3obFIdcglkfgV4qMnmISAEBAQ Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail06.adl6.internode.on.net with ESMTP; 01 Jul 2016 07:37:38 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bIk7V-00078T-L7; Fri, 01 Jul 2016 08:07:37 +1000 Date: Fri, 1 Jul 2016 08:07:37 +1000 From: Dave Chinner <david@fromorbit.com> To: Eric Sandeen <sandeen@sandeen.net> Cc: xfs@oss.sgi.com Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Message-ID: <20160630220737.GS12670@dastard> X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> <SN1PR05MB23175D5BF190CCC3F22E2EB0CC240@SN1PR05MB2317.namprd05.prod.outlook.com> <4d9d00ef-82d5-a658-e88c-ba75fb7a6023@sandeen.net> <SN1PR05MB2317E464B2CFB5A06CC4B66BCC240@SN1PR05MB2317.namprd05.prod.outlook.com> <dc20d8ae-d57f-53f1-72b8-d623529c695b@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <dc20d8ae-d57f-53f1-72b8-d623529c695b@sandeen.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1467324485 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2396 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30908 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 30, 2016 at 12:04:07PM -0500, Eric Sandeen wrote: > > > On 6/30/16 11:59 AM, Anthony l wrote: > > I don't think this is a multi tape dump. But then again i don't know for sure. I recently got a job and this is my first 'project'. I have about 10 tapes each are labeled a month and a year, so I don't think they are multi tape because they span like 3 years 2004-2007 . Although for the current tape I am working on right now if I select 1 skip, I'll get to another back up labeled "incremental backup 1" or something similar. Using the verbosity output here is what I got. (also using interactive restore). I went ahead and specified byte size 4096. Through earlier test using the dd command I determined that was the correct size. Ill post one without byte size specified too. I just saw it in that post and thought it might help. > > > > Here is the output with verbosity. > > > > http://pastebin.com/Nd6BqNc5 > > > > The out is the same with or without -b 4096. > > > > http://pastebin.com/0dxbCvyc (no -b) > > > interactively restore from this dump? > 1: skip > 2: interactively restore > (default) > ->2 > ++++================++++ > missing some stuff------ > > ^^^ is that your comment, or actual output? > > Looks like it eventually encountered a short read: > > xfsrestore: drive op: read: wanted 131072 (0x20000) > xfsrestore: tape op: reading 245760 bytes > xfsrestore: tape op read of 245760 bytes short: nread == 4096 > xfsrestore: tape op: get status > xfsrestore: tape status = wprot onl > xfsrestore: short read record 1 (nread == 4096) > xfsrestore: drive op read returning error rval=1 > > in dmesg, is there any sort of IO error from the tape? So xfs_reatore is wanting to find the session inventory in that last media file, and it would appear that it isn't there or shorter than expected. A tape problem, perhaps? Have you tried running xfs_restore using the minimal tape protocol (-m)? Another option is to try to restore the dump files from tape to a local file on disk and see if that can be parsed instead. The other thing you might want to do is upgrade xfsdump to the latest version - you're running 3.1.1 and the current version is 3.1.6. I doubt it will change the behaviour, but at least it will give us something to work from... Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Jun 30 17:45:05 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 88A067CA0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 17:45:05 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id F2918AC002 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 15:45:04 -0700 (PDT) X-ASG-Debug-ID: 1467326698-04cbb027353dc520001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id NDMIhxAJd1a6GMIh for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 15:44:59 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2BdEwDgn3VXIHvHLHlbgz5WfYJ2oWQMAQEBAQEBBoxKhgaECiKFbwICAQECgTNNAQEBAQEBBwEBAQEBAT8BQIRNAQEEJxMcIxAIAw4KCSUPBSUDBxoTiC8PxA4BAQgCASQehUKFFoobBZkLhgiIL4F0Toc2hTyQBYJcHIFeKjIBAQGJPgEBAQ Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail06.adl6.internode.on.net with ESMTP; 01 Jul 2016 08:14:58 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bIkhd-0007CH-BY; Fri, 01 Jul 2016 08:44:57 +1000 Date: Fri, 1 Jul 2016 08:44:57 +1000 From: Dave Chinner <david@fromorbit.com> To: Brian Foster <bfoster@redhat.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: add readahead bufs to lru early to prevent post-unmount panic Message-ID: <20160630224457.GT12670@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: add readahead bufs to lru early to prevent post-unmount panic References: <1467291229-13548-1-git-send-email-bfoster@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1467291229-13548-1-git-send-email-bfoster@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1467326699 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 4436 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30909 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 30, 2016 at 08:53:49AM -0400, Brian Foster wrote: > Newly allocated XFS metadata buffers are added to the LRU once the hold > count is released, which typically occurs after I/O completion. There is > no other mechanism at current that tracks the existence or I/O state of > a new buffer. Further, readahead I/O tends to be submitted > asynchronously by nature, which means the I/O can remain in flight and > actually complete long after the calling context is gone. This means > that file descriptors or any other holds on the filesystem can be > released, allowing the filesystem to be unmounted while I/O is still in > flight. When I/O completion occurs, core data structures may have been > freed, causing completion to run into invalid memory accesses and likely > to panic. > > This problem is reproduced on XFS via directory readahead. A filesystem > is mounted, a directory is opened/closed and the filesystem immediately > unmounted. The open/close cycle triggers a directory readahead that if > delayed long enough, runs buffer I/O completion after the unmount has > completed. > > To work around this problem, add readahead buffers to the LRU earlier > than other buffers (when the buffer is allocated, specifically). The > buffer hold count will ultimately remain until I/O completion, which > means any shrinker activity will skip the buffer until then. This makes > the buffer visible to xfs_wait_buftarg(), however, which ensures that an > unmount or quiesce waits for I/O completion appropriately. > > Signed-off-by: Brian Foster <bfoster@redhat.com> > --- > > This addresses the problem reproduced by the recently posted xfstests > test: > > http://thread.gmane.org/gmane.comp.file-systems.fstests/2740 > > This could probably be made more involved, i.e., to create another list > of buffers in flight or some such. This seems more simple/sane to me, > however, and survives my testing so far... > > Brian > > fs/xfs/xfs_buf.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c > index 4665ff6..3f03df9 100644 > --- a/fs/xfs/xfs_buf.c > +++ b/fs/xfs/xfs_buf.c > @@ -590,8 +590,20 @@ xfs_buf_get_map( > return NULL; > } > > + /* > + * If the buffer found doesn't match the one allocated above, somebody > + * else beat us to insertion and we can toss the new one. > + * > + * If we did add the buffer and it happens to be readahead, add to the > + * LRU now rather than waiting until the hold is released. Otherwise, > + * the buffer is not visible to xfs_wait_buftarg() while in flight and > + * nothing else prevents an unmount before I/O completion. > + */ > if (bp != new_bp) > xfs_buf_free(new_bp); > + else if (flags & XBF_READ_AHEAD && > + list_lru_add(&bp->b_target->bt_lru, &bp->b_lru)) > + atomic_inc(&bp->b_hold); This doesn't sit right with me. The LRU is for "unused" objects, and readahead objects are not unused until IO completes and nobody is waiting on them. As it is, this points out another problem with readahead buffers - they aren't actually being cached properly because b_lru_ref == 0, which means they are immediately reclaimed on IO completion rather than being added to the LRU.... I also think that it's not sufficient to cover the generic case of async IO that has no waiter. i.e. we could do get_buf, submit async write, drop submitter reference, and now we have the same problem but on a write. i.e. this problem is and async IO issue, not a readahead issue. I think that it might be better to fix it by doing this: 1. ensure async IO submission always has b_lru_ref set, and if it isn't, set it to 1. This ensures the buffer will be added to the LRU on completion if it isn't already there. 2. keep a count of async buffer IO in progress. A per-cpu counter in the buftarg will be fine for this. Increment in xfs_buf_submit(), decrement in the xfs_buf_rele() call from xfs_buf_iodone() once we've determined if the buffer needs adding to the LRU or not. 3. make xfs_wait_buftarg() wait until the async IO count goes to zero before it gives up trying to release buffers on the LRU. That will ensure readahead buffers are cached, and we capture both async read and async write buffers in xfs_wait_buftarg(). Cheers, Dave. -- Dave Chinner david@fromorbit.com From david@fromorbit.com Thu Jun 30 18:18:23 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 00D197CA0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 18:18:23 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay3.corp.sgi.com (Postfix) with ESMTP id 7DE40AC005 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 16:18:19 -0700 (PDT) X-ASG-Debug-ID: 1467328563-04bdf074b425af40001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id IFsgH34EYwOADzNf for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 16:16:03 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2CcEgDHpnVXIHvHLHlbgz6BU4J2g3mddwEBAQEBAQaMSooQhhEEAgKBM00BAQEBAQEHAQEBAQEBPwFAhEwBAQEDATocIwULCAMOCgklDwUlAwcaE4goB8QfAQslHoVChRaKGwWZC443jzSQBYJcHIFeKjKJQQEBAQ Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail06.adl6.internode.on.net with ESMTP; 01 Jul 2016 08:46:02 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bIlBh-0007Fa-TG; Fri, 01 Jul 2016 09:16:01 +1000 Date: Fri, 1 Jul 2016 09:16:01 +1000 From: Dave Chinner <david@fromorbit.com> To: Christoph Hellwig <hch@lst.de> Cc: xfs@oss.sgi.com, rpeterso@redhat.com, linux-fsdevel@vger.kernel.org Subject: Re: iomap infrastructure and multipage writes V5 Message-ID: <20160630231601.GU12670@dastard> X-ASG-Orig-Subj: Re: iomap infrastructure and multipage writes V5 References: <1464792297-13185-1-git-send-email-hch@lst.de> <20160628002649.GI12670@dastard> <20160630172239.GA23082@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160630172239.GA23082@lst.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1467328563 X-Barracuda-URL: https://192.48.157.11:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 3332 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30911 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 30, 2016 at 07:22:39PM +0200, Christoph Hellwig wrote: > On Tue, Jun 28, 2016 at 10:26:49AM +1000, Dave Chinner wrote: > > Christoph, it look slike there's an ENOSPC+ENOMEM behavioural regression here. > > generic/224 on my 1p/1GB RAM VM using a 1k lock size filesystem has > > significantly different behaviour once ENOSPC is hit withi this patchset. > > > > It ends up with an endless stream of errors like this: > > I've spent some time trying to reproduce this. I'm actually getting > the OOM killer almost reproducible for for-next without the iomap > patches as well when just using 1GB of mem. 1400 MB is the minimum > I can reproducibly finish the test with either code base. > > But with the 1400 MB setup I see a few interesting things. Even > with the baseline, no-iomap case I see a few errors in the log: > > [ 70.407465] Filesystem "vdc": reserve blocks depleted! Consider increasing > reserve pool > size. > [ 70.195645] XFS (vdc): page discard on page ffff88005682a988, inode 0xd3, offset 761856. > [ 70.408079] Buffer I/O error on dev vdc, logical block 1048513, lost async > page write > [ 70.408598] Buffer I/O error on dev vdc, logical block 1048514, lost async > page write > 27s > > With iomap I also see the spew of page discard errors your see, but while > I see a lot of them, the rest still finishes after a reasonable time, > just a few seconds more than the pre-iomap baseline. I also see the > reserve block depleted message in this case. The reserve block pool depleted message is normal for me in this test. We're throwing a thousand concurrent processes at the filesystem at ENOSPC, and so the metadata reservation for the delayed allocation totals quite a lot. We only reserve 8192 blocks for the reserve pool, so a delalloc reservation for one page on each file (4 blocks per page, which means a couple of blocks for the metadata reservation via the indlen calculation) is going to consume the reserve pool quite quickly if the up front reservation overshoots the XFS_ALLOC_SET_ASIDE() ENOSPC threshold. > Digging into the reserve block depleted message - it seems we have > too many parallel iomap_allocate transactions going on. I suspect > this might be because the writeback code will not finish a writeback > context if we have multiple blocks inside a page, which can > happen easily for this 1k ENOSPC setup. Right - this test has regularly triggered that warning on this particular test setup for me - it's not something new to the iomap patchset. > I've not had time to fully > check if this is what really happens, but I did a quick hack (see below) > to only allocate 1k at a time in iomap_begin, and with that generic/224 > finishes without the warning spew. Of course this isn't a real fix, > and I need to fully understand what's going on in writeback due to > different allocation / dirtying patterns from the iomap change. Which tends to indicate that the multi-block allocation has a larger indlen reservation, and that's what is causing the code to hit whatever edge-case that is leading to it not recovering. However, I'm still wondering how we are not throwing ENOSPC back to userspace at XFS_ALLOC_SET_ASIDE limits. Cheers, Dave. -- Dave Chinner david@fromorbit.com From bfoster@redhat.com Thu Jun 30 18:56:29 2016 Return-Path: <bfoster@redhat.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id B0BB57CA0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 18:56:29 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 2940CAC005 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 16:56:28 -0700 (PDT) X-ASG-Debug-ID: 1467330984-04cb6c063f2e08e0001-NocioJ Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id jimjGyMW3C38B29x (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 16:56:24 -0700 (PDT) X-Barracuda-Envelope-From: bfoster@redhat.com X-Barracuda-Effective-Source-IP: mx1.redhat.com[209.132.183.28] X-Barracuda-Apparent-Source-IP: 209.132.183.28 X-ASG-Whitelist: Client Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E1E6CC003556; Thu, 30 Jun 2016 23:56:23 +0000 (UTC) Received: from bfoster.bfoster (dhcp-41-180.bos.redhat.com [10.18.41.180]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5UNuNvI018588; Thu, 30 Jun 2016 19:56:23 -0400 Received: by bfoster.bfoster (Postfix, from userid 1000) id 9C3FF1200E8; Thu, 30 Jun 2016 19:56:21 -0400 (EDT) Date: Thu, 30 Jun 2016 19:56:21 -0400 From: Brian Foster <bfoster@redhat.com> To: Dave Chinner <david@fromorbit.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: add readahead bufs to lru early to prevent post-unmount panic Message-ID: <20160630235621.GA44823@bfoster.bfoster> X-ASG-Orig-Subj: Re: [PATCH] xfs: add readahead bufs to lru early to prevent post-unmount panic References: <1467291229-13548-1-git-send-email-bfoster@redhat.com> <20160630224457.GT12670@dastard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160630224457.GT12670@dastard> User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 30 Jun 2016 23:56:23 +0000 (UTC) X-Barracuda-Connect: mx1.redhat.com[209.132.183.28] X-Barracuda-Start-Time: 1467330984 X-Barracuda-Encrypted: ECDHE-RSA-AES256-GCM-SHA384 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 6446 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 On Fri, Jul 01, 2016 at 08:44:57AM +1000, Dave Chinner wrote: > On Thu, Jun 30, 2016 at 08:53:49AM -0400, Brian Foster wrote: > > Newly allocated XFS metadata buffers are added to the LRU once the hold > > count is released, which typically occurs after I/O completion. There is > > no other mechanism at current that tracks the existence or I/O state of > > a new buffer. Further, readahead I/O tends to be submitted > > asynchronously by nature, which means the I/O can remain in flight and > > actually complete long after the calling context is gone. This means > > that file descriptors or any other holds on the filesystem can be > > released, allowing the filesystem to be unmounted while I/O is still in > > flight. When I/O completion occurs, core data structures may have been > > freed, causing completion to run into invalid memory accesses and likely > > to panic. > > > > This problem is reproduced on XFS via directory readahead. A filesystem > > is mounted, a directory is opened/closed and the filesystem immediately > > unmounted. The open/close cycle triggers a directory readahead that if > > delayed long enough, runs buffer I/O completion after the unmount has > > completed. > > > > To work around this problem, add readahead buffers to the LRU earlier > > than other buffers (when the buffer is allocated, specifically). The > > buffer hold count will ultimately remain until I/O completion, which > > means any shrinker activity will skip the buffer until then. This makes > > the buffer visible to xfs_wait_buftarg(), however, which ensures that an > > unmount or quiesce waits for I/O completion appropriately. > > > > Signed-off-by: Brian Foster <bfoster@redhat.com> > > --- > > > > This addresses the problem reproduced by the recently posted xfstests > > test: > > > > http://thread.gmane.org/gmane.comp.file-systems.fstests/2740 > > > > This could probably be made more involved, i.e., to create another list > > of buffers in flight or some such. This seems more simple/sane to me, > > however, and survives my testing so far... > > > > Brian > > > > fs/xfs/xfs_buf.c | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c > > index 4665ff6..3f03df9 100644 > > --- a/fs/xfs/xfs_buf.c > > +++ b/fs/xfs/xfs_buf.c > > @@ -590,8 +590,20 @@ xfs_buf_get_map( > > return NULL; > > } > > > > + /* > > + * If the buffer found doesn't match the one allocated above, somebody > > + * else beat us to insertion and we can toss the new one. > > + * > > + * If we did add the buffer and it happens to be readahead, add to the > > + * LRU now rather than waiting until the hold is released. Otherwise, > > + * the buffer is not visible to xfs_wait_buftarg() while in flight and > > + * nothing else prevents an unmount before I/O completion. > > + */ > > if (bp != new_bp) > > xfs_buf_free(new_bp); > > + else if (flags & XBF_READ_AHEAD && > > + list_lru_add(&bp->b_target->bt_lru, &bp->b_lru)) > > + atomic_inc(&bp->b_hold); > > This doesn't sit right with me. The LRU is for "unused" objects, and > readahead objects are not unused until IO completes and nobody is > waiting on them. > Sure, but don't buffers remain on the LRU once they are reused? My impression is that this patch really doesn't change behavior in that regard. IOWs, the buffer is going to end up on the LRU either way and either end up disposed if it is never actually accessed or "used" otherwise and the hold count is bumped. Further, isn't the hold count mechanism precisely to handle "used" buffers on the LRU? > As it is, this points out another problem with readahead buffers - > they aren't actually being cached properly because b_lru_ref == 0, > which means they are immediately reclaimed on IO completion rather > than being added to the LRU.... > Not following... _xfs_buf_alloc() sets b_lru_ref to 1 and I don't see it set/decremented unless we stale or dispose it. What am I missing? > I also think that it's not sufficient to cover the generic case of > async IO that has no waiter. i.e. we could do get_buf, submit async > write, drop submitter reference, and now we have the same problem > but on a write. i.e. this problem is and async IO issue, not a > readahead issue. > Indeed. I thought about making the current patch check for ASYNC, but opted to try and make it more isolated (I suppose ASYNC|READAHEAD would have been moreso). The other thought I had was to change where buffers are added to the LRU altogether, but didn't want to jump right to that. Is there any issue with populating the LRU with initially held buffers as such, or any particular reason LRU addition was deferred to I/O completion in the first place? > I think that it might be better to fix it by doing this: > > 1. ensure async IO submission always has b_lru_ref set, and > if it isn't, set it to 1. This ensures the buffer will be > added to the LRU on completion if it isn't already there. > See above. I'm not following why this is necessary (if it is, it seems indicative of a bug). > 2. keep a count of async buffer IO in progress. A per-cpu > counter in the buftarg will be fine for this. Increment in > xfs_buf_submit(), decrement in the xfs_buf_rele() call from > xfs_buf_iodone() once we've determined if the buffer needs > adding to the LRU or not. > > 3. make xfs_wait_buftarg() wait until the async IO count > goes to zero before it gives up trying to release buffers on > the LRU. > This is along the lines of what I was thinking wrt to a list (explicit I/O tracking one way or another). The count is more simple and does cover the arbitrary read/write case, but is still more code and seems slightly duplicative to me because in most cases the LRU wait already handles this. I'm also not totally sure we need to handle the write case. Are we susceptible to this issue anywhere that isn't already protected by the sb write protection mechanism, for example? OTOH, explicit tracking might provide a more generic way to deal with uncached buffers as opposed to lock cycling. Brian > That will ensure readahead buffers are cached, and we capture both > async read and async write buffers in xfs_wait_buftarg(). > > Cheers, > > Dave. > -- > Dave Chinner > david@fromorbit.com From david@fromorbit.com Thu Jun 30 23:34:04 2016 Return-Path: <david@fromorbit.com> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 37DD37CA0 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 23:34:04 -0500 (CDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id EF2E08F8040 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 21:34:00 -0700 (PDT) X-ASG-Debug-ID: 1467347633-04cbb027383e95e0001-NocioJ Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id wPECkIYQ2NQhWhhM for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 21:33:54 -0700 (PDT) X-Barracuda-Envelope-From: david@fromorbit.com X-Barracuda-Effective-Source-IP: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Apparent-Source-IP: 150.101.137.145 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2BeDwBS8nVXEHvHLHlbgz5WLU+CdqFmDAEBAQEBAQaMS4YGhAoihXACAgEBAoEyTQEBAQEBAQcBAQEBAQEBAT5AhEwBAQQBJxMcIwULCAMOCgklDwUlAwcaE4goBw/EEQwlHoVChBKBA4obBYgQhyOJWoYIiC+BdE6HNoU8kAiCXByBXioyAQEBiHEBAQE Received: from ppp121-44-199-123.lns20.syd7.internode.on.net (HELO dastard) ([121.44.199.123]) by ipmail06.adl6.internode.on.net with ESMTP; 01 Jul 2016 14:03:33 +0930 Received: from dave by dastard with local (Exim 4.80) (envelope-from <david@fromorbit.com>) id 1bIq8y-0007ir-10; Fri, 01 Jul 2016 14:33:32 +1000 Date: Fri, 1 Jul 2016 14:33:31 +1000 From: Dave Chinner <david@fromorbit.com> To: Brian Foster <bfoster@redhat.com> Cc: xfs@oss.sgi.com Subject: Re: [PATCH] xfs: add readahead bufs to lru early to prevent post-unmount panic Message-ID: <20160701043331.GV12670@dastard> X-ASG-Orig-Subj: Re: [PATCH] xfs: add readahead bufs to lru early to prevent post-unmount panic References: <1467291229-13548-1-git-send-email-bfoster@redhat.com> <20160630224457.GT12670@dastard> <20160630235621.GA44823@bfoster.bfoster> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160630235621.GA44823@bfoster.bfoster> User-Agent: Mutt/1.5.21 (2010-09-15) X-Barracuda-Connect: ipmail06.adl6.internode.on.net[150.101.137.145] X-Barracuda-Start-Time: 1467347633 X-Barracuda-URL: https://192.48.176.25:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 9324 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30915 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header On Thu, Jun 30, 2016 at 07:56:21PM -0400, Brian Foster wrote: > On Fri, Jul 01, 2016 at 08:44:57AM +1000, Dave Chinner wrote: > > On Thu, Jun 30, 2016 at 08:53:49AM -0400, Brian Foster wrote: > > > Newly allocated XFS metadata buffers are added to the LRU once the hold > > > count is released, which typically occurs after I/O completion. There is > > > no other mechanism at current that tracks the existence or I/O state of > > > a new buffer. Further, readahead I/O tends to be submitted > > > asynchronously by nature, which means the I/O can remain in flight and > > > actually complete long after the calling context is gone. This means > > > that file descriptors or any other holds on the filesystem can be > > > released, allowing the filesystem to be unmounted while I/O is still in > > > flight. When I/O completion occurs, core data structures may have been > > > freed, causing completion to run into invalid memory accesses and likely > > > to panic. > > > > > > This problem is reproduced on XFS via directory readahead. A filesystem > > > is mounted, a directory is opened/closed and the filesystem immediately > > > unmounted. The open/close cycle triggers a directory readahead that if > > > delayed long enough, runs buffer I/O completion after the unmount has > > > completed. > > > > > > To work around this problem, add readahead buffers to the LRU earlier > > > than other buffers (when the buffer is allocated, specifically). The > > > buffer hold count will ultimately remain until I/O completion, which > > > means any shrinker activity will skip the buffer until then. This makes > > > the buffer visible to xfs_wait_buftarg(), however, which ensures that an > > > unmount or quiesce waits for I/O completion appropriately. > > > > > > Signed-off-by: Brian Foster <bfoster@redhat.com> > > > --- > > > > > > This addresses the problem reproduced by the recently posted xfstests > > > test: > > > > > > http://thread.gmane.org/gmane.comp.file-systems.fstests/2740 > > > > > > This could probably be made more involved, i.e., to create another list > > > of buffers in flight or some such. This seems more simple/sane to me, > > > however, and survives my testing so far... > > > > > > Brian > > > > > > fs/xfs/xfs_buf.c | 12 ++++++++++++ > > > 1 file changed, 12 insertions(+) > > > > > > diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c > > > index 4665ff6..3f03df9 100644 > > > --- a/fs/xfs/xfs_buf.c > > > +++ b/fs/xfs/xfs_buf.c > > > @@ -590,8 +590,20 @@ xfs_buf_get_map( > > > return NULL; > > > } > > > > > > + /* > > > + * If the buffer found doesn't match the one allocated above, somebody > > > + * else beat us to insertion and we can toss the new one. > > > + * > > > + * If we did add the buffer and it happens to be readahead, add to the > > > + * LRU now rather than waiting until the hold is released. Otherwise, > > > + * the buffer is not visible to xfs_wait_buftarg() while in flight and > > > + * nothing else prevents an unmount before I/O completion. > > > + */ > > > if (bp != new_bp) > > > xfs_buf_free(new_bp); > > > + else if (flags & XBF_READ_AHEAD && > > > + list_lru_add(&bp->b_target->bt_lru, &bp->b_lru)) > > > + atomic_inc(&bp->b_hold); > > > > This doesn't sit right with me. The LRU is for "unused" objects, and > > readahead objects are not unused until IO completes and nobody is > > waiting on them. > > > > Sure, but don't buffers remain on the LRU once they are reused? Yes, but that's once the contents have been used. > My > impression is that this patch really doesn't change behavior in that > regard. Not really - but it makes the readahead buffers completely different to the rest of the buffers on the LRU in that they don't contain valid data. For the same reason we also don't add buffers at creation time because they don't hold valid data until after the code that has created/read in the data has released it..... > IOWs, the buffer is going to end up on the LRU either way and > either end up disposed if it is never actually accessed or "used" > otherwise and the hold count is bumped. Further, isn't the hold count > mechanism precisely to handle "used" buffers on the LRU? ... hence we only add the buffer to the LRU once the initial hold count reaches zero and the owner has indicated that the buffer should be moved to the LRU by setting b_lru_ref. Once we've added the buffer to the LRU, we add a reference count that persists untile b_lru_ref is decremented to zero. At that point, we remove the euffer from the LRU and release it. That (b_lru_ref == 0) then triggers the buffer to be freed.... Note also that buffers that contain stale data (i.e. XBF_STALE) are not added to the LRU and xfs_buf_stale() removes buffers from the LRU, so shortcutting the above reclaim lifecycle in the case where a user invalidates the contents of the buffer. The end result is the same - there are no buffers with stale contents on the LRU. readahead is a special case - there is no accessor to say "cache this buffer for N references", but we have to keep it around for some time so that readahead is effective. We don't want to add it before we've done IO on it, and realistically we should only add it to the LRU if there was no IO error. We've had to work around bugs introduced by caching failed readahead buffers on the LRU in the past.... > > As it is, this points out another problem with readahead buffers - > > they aren't actually being cached properly because b_lru_ref == 0, > > which means they are immediately reclaimed on IO completion rather > > than being added to the LRU.... > > > > Not following... _xfs_buf_alloc() sets b_lru_ref to 1 and I don't see it > set/decremented unless we stale or dispose it. What am I missing? Sorry, I misread the cscope output I was looking at to quickly remind me of how it all worked - xfs_buf_stale() sets it to zero, not _xfs_buf_alloc(). > > I also think that it's not sufficient to cover the generic case of > > async IO that has no waiter. i.e. we could do get_buf, submit async > > write, drop submitter reference, and now we have the same problem > > but on a write. i.e. this problem is and async IO issue, not a > > readahead issue. > > > > Indeed. I thought about making the current patch check for ASYNC, but > opted to try and make it more isolated (I suppose ASYNC|READAHEAD would > have been moreso). > > The other thought I had was to change where buffers are added to the LRU > altogether, but didn't want to jump right to that. Is there any issue > with populating the LRU with initially held buffers as such, or any > particular reason LRU addition was deferred to I/O completion in the > first place? Yes, because then we have to deal with buffers that fail memory allocation, read IO or are allocated just to invalidate a range of disk blocks during a transaction (e.g. removing a remote attribute). There are probably other cases where we don't want to put buffers we allocate onto the LRU, but I can't think of any more right now. > > I think that it might be better to fix it by doing this: > > > > 1. ensure async IO submission always has b_lru_ref set, and > > if it isn't, set it to 1. This ensures the buffer will be > > added to the LRU on completion if it isn't already there. > > > > See above. I'm not following why this is necessary (if it is, it seems > indicative of a bug). > > > 2. keep a count of async buffer IO in progress. A per-cpu > > counter in the buftarg will be fine for this. Increment in > > xfs_buf_submit(), decrement in the xfs_buf_rele() call from > > xfs_buf_iodone() once we've determined if the buffer needs > > adding to the LRU or not. > > > > 3. make xfs_wait_buftarg() wait until the async IO count > > goes to zero before it gives up trying to release buffers on > > the LRU. > > > > This is along the lines of what I was thinking wrt to a list (explicit > I/O tracking one way or another). The count is more simple and does > cover the arbitrary read/write case, but is still more code and seems > slightly duplicative to me because in most cases the LRU wait already > handles this. Sure, but adding a list means you need global locks and when you have lots of concurrent readahead going on that will be a problem. readahead is supposed to have minimal overhead, so anything that adds submission serialisation is not the best idea... The counter has almost no overhead for the async IO case, read or write, and that's all we need to allow the IO to complete safely during unmount. > I'm also not totally sure we need to handle the write > case. Are we susceptible to this issue anywhere that isn't already > protected by the sb write protection mechanism, for example? We can do metadata buffer writes outside the superblock write protection context. A good example of that is log recovery on read-only filesystems.... > OTOH, explicit tracking might provide a more generic way to deal with > uncached buffers as opposed to lock cycling. Well, only if those uncached buffers are using async IO.... Cheers, Dave. -- Dave Chinner david@fromorbit.com From andrewho@animezone.org Thu Jun 30 23:44:32 2016 Return-Path: <andrewho@animezone.org> X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=MIME_QP_LONG_LINE, T_DKIM_INVALID autolearn=ham version=3.3.1 X-Original-To: xfs@oss.sgi.com Delivered-To: xfs@oss.sgi.com Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 640617CA1 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 23:44:32 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay1.corp.sgi.com (Postfix) with ESMTP id 244508F8040 for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 21:44:32 -0700 (PDT) X-ASG-Debug-ID: 1467348268-04cb6c063f2e8410001-NocioJ Received: from nm17-vm5.access.bullet.mail.gq1.yahoo.com (nm17-vm5.access.bullet.mail.gq1.yahoo.com [216.39.63.135]) by cuda.sgi.com with ESMTP id eVhqNHrquKNn5GJu (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <xfs@oss.sgi.com>; Thu, 30 Jun 2016 21:44:29 -0700 (PDT) X-Barracuda-Envelope-From: andrewho@animezone.org X-Barracuda-Effective-Source-IP: nm17-vm5.access.bullet.mail.gq1.yahoo.com[216.39.63.135] X-Barracuda-Apparent-Source-IP: 216.39.63.135 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1467348268; bh=5D3YzdLeCkeLZPKcXT+zTebTlfHDehbU9Af8M7IxSrc=; h=References:In-Reply-To:Cc:From:Subject:Date:To:From:Subject; b=FT2EFV4kqJ134MfQlYgso6hSukhaegFqsqyT6v1mz1fcOZw5NE00JBXqNkBECXvcFku0NbhCvxp2T+PbczIcegZz73DF/P1N9r2ezOrW3VjyDLYVhgQAwQvwk+sp8w3O1y+PXECUmxr53/Rw4HUEnVQzoSX2G597QtgStpiwIYjDkRiiTnfxl/jK3wVjH0MOvkxGKXX4K0vVXvWjHPQdHx4faWvyS/EvLXW7QidzcRaTsKbfRxOB0VtBmeW82abaVCzjzUmB4q42t3SZqR8w6LOt+RKQvb5Y9vUIRCC+0rN6XcdY1N6HlWH4oi6RuoyWDvWxVmzV7pM+PI60tfg/JQ== Received: from [216.39.60.171] by nm17.access.bullet.mail.gq1.yahoo.com with NNFMP; 01 Jul 2016 04:44:28 -0000 Received: from [98.138.104.96] by tm7.access.bullet.mail.gq1.yahoo.com with NNFMP; 01 Jul 2016 04:44:28 -0000 Received: from [127.0.0.1] by smtp116.sbc.mail.ne1.yahoo.com with NNFMP; 01 Jul 2016 04:44:27 -0000 X-Yahoo-Newman-Id: 937809.22653.bm@smtp116.sbc.mail.ne1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: D0zSRVAVM1mRpk2gmNgRFl31Ep_oxVY179HDAqpv.0Jtkc5 784RSP_Kq9bGhOQqiB4srn9dDjiIxC_NfKPFaXDJwkSz77F6zryoAZ29pv0S qC67kG2JlO.JGyWg3IATh0wWt6icVUrqBXrTnhIHQVIes95oMVOVnsfE9GnD hm1SwbiprYNIynTqOKP_uRKK9qEepPSw3_ML.Dl52gLTxL7tehWdsjVGm3eo sVBrI5tGAvgQYunLe3XhVgIs7MviIJw_AFG_zuVc65bCX31zaufPfc79n.A9 o3P5VeNWZiMVr0tk71vHHPz1D0q5SD8r3wSmEtGVsUPGBuewsu1vYAevyuOY 44gCXbGqwHBPMoAeE8m5RAQGQ6azgGezFrF_h1uitcIEFJNZF_W59GISKxWB GIAAxUENsUg2AXkzIaKo8BQMDIBdOXAKoTFeGUhSBmIdZ4vZOl9Kk0b0qAHu pJBr94pIah_xx8fnOHVMM9S3kh2tz_YbTNVZbWRKL8kbBVQoB_cVrkH8abRp GiXbtMsZjwp90EtuFzSlGOIHipZ6zwgtdllawbhf76GYfCt83KWZl6I9FCA- - X-Yahoo-SMTP: P1NUfv.swBA7SNJnRSdqBmzyjrss6o3q3TdA3Q-- References: <SN1PR05MB231785E5196A5D31D0D833EACC230@SN1PR05MB2317.namprd05.prod.outlook.com> <SN1PR05MB23175D5BF190CCC3F22E2EB0CC240@SN1PR05MB2317.namprd05.prod.outlook.com> <4d9d00ef-82d5-a658-e88c-ba75fb7a6023@sandeen.net> <SN1PR05MB2317E464B2CFB5A06CC4B66BCC240@SN1PR05MB2317.namprd05.prod.outlook.com> <dc20d8ae-d57f-53f1-72b8-d623529c695b@sandeen.net> <20160630220737.GS12670@dastard> Mime-Version: 1.0 (1.0) In-Reply-To: <20160630220737.GS12670@dastard> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Message-Id: <BFF5CB1A-BA65-4212-9607-2F25F427433B@animezone.org> Cc: Eric Sandeen <sandeen@sandeen.net>, xfs@oss.sgi.com X-Mailer: iPad Mail (13F69) From: Andrew Ho <andrewho@animezone.org> Subject: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) Date: Fri, 1 Jul 2016 00:44:26 -0400 X-ASG-Orig-Subj: Re: Question: Old Irix tape backup. Recovery on Linux (xfsdump/xfsrestore) To: Dave Chinner <david@fromorbit.com> X-Barracuda-Connect: nm17-vm5.access.bullet.mail.gq1.yahoo.com[216.39.63.135] X-Barracuda-Start-Time: 1467348269 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://192.48.176.15:443/cgi-mod/mark.cgi X-Barracuda-Scan-Msg-Size: 2928 X-Virus-Scanned: by bsmtpd at sgi.com X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=2.7 tests=BSF_SC0_MISMATCH_TO, DKIM_SIGNED, DKIM_VERIFIED, MIME_QP_LONG_LINE X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.30915 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 BSF_SC0_MISMATCH_TO Envelope rcpt doesn't match header -0.00 DKIM_VERIFIED Domain Keys Identified Mail: signature passes verification 0.00 DKIM_SIGNED Domain Keys Identified Mail: message has a signature 0.00 MIME_QP_LONG_LINE RAW: Quoted-printable line longer than 76 chars I did restore the irix tape on Linux by using the command "tar". tar xv is f= or restore. If the tape was backup by a propriety backup software on SGI Irix, it is dif= ficult to restore on Linux. Andrew Pressure creates diamond. > On Jun 30, 2016, at 6:07 PM, Dave Chinner <david@fromorbit.com> wrote: >=20 >> On Thu, Jun 30, 2016 at 12:04:07PM -0500, Eric Sandeen wrote: >>=20 >>=20 >>> On 6/30/16 11:59 AM, Anthony l wrote: >>> I don't think this is a multi tape dump. But then again i don't know for= sure. I recently got a job and this is my first 'project'. I have about 10 t= apes each are labeled a month and a year, so I don't think they are multi ta= pe because they span like 3 years 2004-2007 . Although for the current tape I= am working on right now if I select 1 skip, I'll get to another back up lab= eled "incremental backup 1" or something similar. Using the verbosity output= here is what I got. (also using interactive restore). I went ahead and spec= ified byte size 4096. Through earlier test using the dd command I determined= that was the correct size. Ill post one without byte size specified too. I j= ust saw it in that post and thought it might help. >>>=20 >>> Here is the output with verbosity. >>>=20 >>> http://pastebin.com/Nd6BqNc5 >>>=20 >>> The out is the same with or without -b 4096. >>>=20 >>> http://pastebin.com/0dxbCvyc (no -b) >>=20 >>=20 >> interactively restore from this dump? >> 1: skip >> 2: interactively restore >> (default) >> ->2 >> ++++=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D++++ >> missing some stuff------ >>=20 >> ^^^ is that your comment, or actual output? >>=20 >> Looks like it eventually encountered a short read: >>=20 >> xfsrestore: drive op: read: wanted 131072 (0x20000) >> xfsrestore: tape op: reading 245760 bytes >> xfsrestore: tape op read of 245760 bytes short: nread =3D=3D 4096 >> xfsrestore: tape op: get status >> xfsrestore: tape status =3D wprot onl >> xfsrestore: short read record 1 (nread =3D=3D 4096) >> xfsrestore: drive op read returning error rval=3D1 >>=20 >> in dmesg, is there any sort of IO error from the tape? >=20 > So xfs_reatore is wanting to find the session inventory in that > last media file, and it would appear that it isn't there or shorter > than expected. A tape problem, perhaps? Have you tried running > xfs_restore using the minimal tape protocol (-m)? >=20 > Another option is to try to restore the dump files from tape to a > local file on disk and see if that can be parsed instead. >=20 > The other thing you might want to do is upgrade xfsdump to the > latest version - you're running 3.1.1 and the current version is > 3.1.6. I doubt it will change the behaviour, but at least it will > give us something to work from... >=20 > Cheers, >=20 > Dave. > --=20 > Dave Chinner > david@fromorbit.com >=20 > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs